195results about How to "Implement auto-scaling" patented technology

The invention discloses bridge equipment comprising a matrix arranged above a base and an upper frame arranged above the matrix, wherein a fourth driver is arranged at the bottom in the base, the top of the fourth driver is connected with a rotary column, an extension end at the top of the rotary column penetrates through the inner wall of the base and is fixedly connected with an end face of the bottom of the matrix, a bearing is fixedly arranged between the matrix and the base, an accommodation cavity is formed in the matrix, a first hollow groove and a second hollow groove are formed in the matrix at the top of the accommodation cavity, a chute is formed in a top wall in the first hollow groove, a fetching groove is formed in an outer wall of the matrix on the right side of the accommodation cavity, a through groove and a clamping groove are formed between the fetching groove and the accommodation cavity, a rotating shaft arranged to extend up and down is arranged in the accommodation cavity, an extension segment at the top of the rotating shaft penetrates through the inner wall of the matrix and stretches into the first hollow groove, a first toothed wheel is fixedly arranged at the tail of the rotating shaft in the first hollow groove, a reel is fixedly arranged on the rotating shaft in the accommodation cavity, conducting wires are wound on the reel, a slide block is arranged in the chute, the bottom of the slide block stretches into the first hollow groove, and a first driver is arranged in the end face at the bottom of the slide block. The bridge equipment disclosed by the invention has the advantages of simple structure, convenient operation, capability of realizing automatic take-up and high safety.

The invention relates to a method and device of cloud calculation service expansion and contraction. When detecting whether the number of services is larger than or smaller than a threshold value, a cloud platform judges the fact that service expansion and contraction are needed, and informs a service system of executing corresponding service expansion and contraction according to registered information of the service system on the cloud platform, wherein notification messages comprise parameters required by the service system for execution of corresponding service expansion and contraction, and the parameters comprise addresses of resources to be added or addresses of resources to be deleted when service expansion and contraction are executed. Through the method of cloud calculation service expansion and contraction, when virtual machine resources are expanded or reduced by the cloud platform, whether the service system should be informed when automatic expansion and contraction are conducted or not is judged according to the registered information of the service system on the cloud platform. After receiving the notification messages, the service system finishes installment operations or finishes stopping operations of corresponding resources according to information carried in the notification messages, and therefore automatic expansion and contraction of the cloud calculation services are effectively achieved.

The invention relates to an oil field operation device, in particular to an oil field workover treatment machine. The machine body is arranged on a hydraulic load-bearing traveling gear and is interlocked with the hydraulic load-bearing traveling gear. Hydraulic tongs connected with a telescopic bracket on the machine body can be extended out and retracted with the telescopic bracket. A clip seat is positioned below the hydraulic tongs and is arranged on a well head. An elevator which is suspended onto the machine body can reciprocate up and down. A faucet is positioned above the machine body and the clip seat; a pipe throwing device is arranged on the faucet and the machine body; and a clip unlocking device and a clip locking device corresponding to the elevator are arranged on the clip seat and the pipe throwing device respectively. A righting mechanism and a valve mechanism are further arranged on the faucet. A control cabinet is arranged on the machine body; and the clip seat, the hydraulic tongs, the elevator and the pipe throwing device are connected with a control system in the control cabinet respectively. The oil field workover treatment machine can be assembled and disassembled conveniently and rapidly, thereby not only facilitating transportation, but also changing the positions to meet the requirements of different work. Simultaneously the machine can be laid freely at a well field according to the practical conditions.

The invention provides a body-based food security event semantic retrieval system. Firstly, a food security field body which mainly relates to knowledge of food security event, problem food and intoxicating substances is established; automatic expansion of the food security body is realized based on an information extraction technology; inference rules are designed according to a semantic relationship among concepts of the food security bodies, so that the knowledge in the field of food security is reasoned; the semantic retrieval of the food security knowledge in a body base can be realized, concept information which has a semantic relationship with food security event keywords can be retrieved according to the food security event keywords input by users, detailed information of the food security event and the intoxicating substances can be checked, and if the users input problem food, the food security event information related with the problem food can be retrieved; and a body-based semantic inquiring expanding method is provided, so that the concepts which have a specific semantic relationship with user inquiry words can be expanded, and the recall ratio and precision ratio of the retrieval system can be improved.

The invention relates to an oil field well workover treatment tool, in particular to hydraulic tongs capable of realizing the automatic loading / unloading of an oil pipe and a sucker rod. The hydraulic tongs comprise main tongs, back tongs, a high-low-speed gear shift mechanism and a connecting support. The back tongs are arranged on the connecting support; the main tongs are positioned above the back tongs and are connected with the back tongs through a guide bar; and the main tongs can reciprocate up and down along the guide bar. The high-low-speed gear shift mechanism is arranged on the main tongs; the output end of the high-low-speed gear shift mechanism is connected with a gear shift device inside the main tongs; and the high-low-speed gear shift mechanism is also connected with a hydraulic control module. The hydraulic tongs are connected with a hydraulic tongs telescopic bracket of the machine body of the well workover machine through the connecting support. The hydraulic tongs are driven by the telescopic bracket to realize automatic telescoping, thereby freeing operators from a dangerous operating environment. Automatic operation is realized for the loading / unloading of the hydraulic tongs, thereby not only reducing the labor intensity of workers, but also avoiding possible accidental injury of workers during the operation.

The invention discloses a log analysis method and device, computer equipment and a storage medium, and the method comprises the steps: obtaining an input data set which is data with a unified data structure after the standardization of the obtained original log data; inputting the input data set into a preset exception analysis model to generate exception data, the exception analysis model being arecurrent neural network model which is trained to a convergence state in advance and is used for extracting the exception data in the log data; and performing association processing on the abnormaldata based on a preset abnormal historical database. According to the method, the original log data from different servers can be quickly acquired; the log data is subjected to standardization processing to have the same data structure, and then the log data is subjected to anomaly identification by adopting the recurrent neural network model, so that even if the data volume is huge, the log datacan be rapidly identified, and the abnormal data is subjected to correlation processing to accelerate the abnormal data processing speed and improve the abnormal data processing accuracy.

The invention relates to the technical field of electronic equipment, and provides a mobile phone camera expansion device and a mobile phone. The mobile phone camera expansion device comprises a driveunit, a reversing gear mechanism, a connection mechanism, a control module and a shell, wherein the drive unit is controlled by the control module to rotate forwardly or reversely, so as to drive a first planet gear and a second planet gear of the reversing gear mechanism to be separately in engaged transmission with a second transmission gear of the connection mechanism, the second transmissiongear drives a rack piece to do straight reciprocating motion, and thus a mobile phone camera fixedly connected with the rack piece is automatically expanded or contracted. According to the mobile phone camera expansion device provided by the invention, the automatic expansion or retraction of the mobile phone camera is achieved through controlling the reversing gear mechanism and the connection mechanism via the control module, so that the shooting function of the mobile phone camera is enhanced, the practicability of the mobile phone camera is improved, and thus the mobile phone is more intelligent.

The invention discloses a vehicle charging device of solar power supply control. The device comprises an engine body fixed on a protection base and a weather enclosure arranged above the engine body, the engine body is internally provided with an accommodation cavity, the engine body at the top of the accommodation cavity is internally provided with a first cavity body and a second cavity body, the inner top wall of the first cavity body is provided with a slide groove, the outer wall of the engine body at the right side of the accommodation cavity is internally provided with an operation groove, a through hole and a clamping groove are formed between the operation groove and the accommodation cavity, the accommodation cavity is internally provided with a rotary shaft extending up and down, the extending section of the top portion of the rotary shaft penetrates through the inner wall of the engine body and extends into the first cavity body, the tail end of the rotary shaft in the first cavity body is fixedly provided with a first gear, the rotary shaft in the accommodation cavity is provided with an accommodation disc in the circumferential direction of the rotary shaft, a charging line twines in the accommodation disc, a sliding block is arranged in the sliding groove, the bottom of the sliding block extends into the first cavity body, and the end surface of the bottom of the sliding block is internally provided with a first motor. The vehicle charging device of solar power supply control is simple in structure and convenient to operate, can conduct wire collection work automatically, and is high in safety.

The invention relates to a method, a device and a server for expanding storage space of a database, and the method comprises the following steps: detecting whether a new hard disk is mounted by utilizing an operation system after the server is started; if so, generating a script for partition by utilizing the operation system; executing the script to partitioning the new hard disk by utilizing the operation system; establishing a file system for the new hard disk by utilizing the operation system; loading the established file system in the operation system by utilizing the operation system; and expanding the storage space of the existing database according to the capability and the mount point of the new hard disk by utilizing a database space management module. The technical scheme can realize automatic expansion of the storage space of the database by detecting whether the new hard disk is mounted and loading the newly mounted hard disk and expanding the storage space of the existing database according to the capability and the mount point of the new hard disk by utilizing the operation system.

The invention discloses a device for separating domestic sewage. The device comprises a filter drum, wherein two ends of the filter drum are respectively in an opening shape, a filter net is arranged inside the filter drum, two ends of the filter net are connected with two ends of the filter drum, an airbag squeezing mechanism is arranged inside the filter net, the airbag squeezing mechanism comprises an airbag, an airbag cover plate and an airbag soleplate, one end of the airbag is connected with the airbag cover plate, the airbag cover plate is fixedly connected with one end of the filter drum, the other end of the airbag is connected with the airbag soleplate, the periphery of the airbag soleplate is in slide fit with the inner wall of the filter net, a spring is arranged between the airbag cover plate and the airbag soleplate inside the airbag, the other end of the filter drum is provided with a filter drum bottom cover, and the airbag cover plate is provided with an inlet-exhaust hole. The device is simple in structure, convenient to operate and high in efficiency; both the stretching and retraction processes of the airbag are completed inside the filter net, and the occupied space is small.

The invention provides a method and system for automatic expansion of a wireless network. When that a candidate AP switches on WDS bridge connection is determined, an expansion AP obtains the configuration information of the candidate AP. The expansion AP generates expansion AP configuration information according to the configuration information of the candidate AP and establishes the WDS bridge connection with the candidate AP. The expansion AP establishes CAPWAP bridge connection with an AC connected with the candidate AP through the WDS bridge connection. The method supports that the expansion AP matches with a main AP automatically after being electrified, so that the expansion of the wireless network is realized. Besides, the expanded wireless network supports monitoring and management; a problem that non-professional workers cannot arrange the WDS wireless network which can be monitored is solved and the network deployment cost is reduced.

The invention discloses an intelligent clothes drying system. The intelligent clothes drying system comprises a retractable clothes drying rack, a plastic awning, a single chip microcomputer, a sensing control module and a motor. The input end of the single chip microcomputer is connected with the sensing control module, and the output end of the single chip microcomputer is connected with the input end of the motor; the output end of the motor is connected with the plastic awning and the retractable clothes drying rack; the output end of the single chip microcomputer is also connected with an alerter. By means of the single chip microcomputer, the sensor and the motor, the intelligent clothes drying system achieves the aim that the clothes drying rack can automatically retract and extend as environments change and has the advantages of timely taking clothes in and avoiding rain soaking and sun blazing.

The invention discloses a rain-shedding device, in particular to an automatic canopy, which comprises a bracket, a control assembly, a rain-shedding assembly, wherein the control assembly is provided with a moisture sensor and a chip; the rain-shedding assembly consists of a support rod, a guide rod, water-proof cloth, a motor and a revolving shaft; the control assembly is in circuit connection with the motor; one end of the water-proof cloth is fixedly connected with the revolving haft, and the other end of the water-proof cloth is fixedly connected with the guide rod; the two ends of the guide rod are rotationally connected with the support rod; the support rod is rotationally connected with the bottom end of the bracket. The automatic canopy disclosed by the invention can react automatically according to the change of the weather by using the moisture sensor and control the canopy to be opened and closed, so that rain water is prevented from wetting clothes or running indoors.

The invention discloses a new energy vehicle charging device adopting solar energy power supply control. The new energy vehicle charging device comprises a machine body fixed at the top of a protective pedestal and a rain-proof shed arranged above the machine body. A containing cavity is formed in the machine body, and a first cavity and a second cavity are formed in the position, inside the machine body, at the top of the containing cavity. A sliding groove is formed in the inner top wall of the first cavity, and an operating groove is formed in the position, inside the outer wall of the machine body, of the right side of the containing cavity. A through hole and a clamping groove are formed between the operating groove and the containing cavity, and a rotary shaft arranged in a vertically extending mode is arranged in the containing cavity. An extending section at the top of the rotary shaft penetrates through the inner wall of the machine body and stretches into the first cavity, and a first gear is fixedly arranged on the position, inside the first cavity, at the tail end of the rotary shaft. A containing disc is fixedly arranged on the position, inside the containing cavity, on the rotary shaft in the circumferential direction. A charger cable is wound inside the containing disc, and a sliding block is arranged inside the sliding groove. The bottom of the sliding block stretches into the first cavity, and a first motor is arranged in the end face of the bottom of the sliding block. The new energy vehicle charging device adopting solar energy power supply control is simple in structure, convenient to operate, capable of conducting automatic winding and high in safety.

The invention relates to a seat cushion folding and foot placing plate automatic-telescoping device of a dental chair, and belongs to the field of dental medical treatment instrument manufacturing technique. The seat cushion folding and foot placing plate automatic-telescoping device of the dental chair is characterized in that foldable devices are arranged among the connection of a rear seat cushion support and a connecting portion between a foot placing plate support and the back connection piece, an automatic-telescoping device is disposed under a front seat cushion, and the foot placing plate is fixedly disposed on the automatic-telescoping device. The seat cushion folding and foot placing plate automatic-telescoping device of a dental chair is simple in structure, small in size, and stable and reliable in operation, and with a torsion spring acting as an elastic force application element, the device has more security, the problem that a human body is squeezed or equipment is damaged can be prevented. With the back luffing and seat cushion folding movement of the dental chair, the back of the dental chair is used for driving the push-and-pull movement of a motor during the luffing, the synchronous linkage of the foot placing plate in the front of the seat cushion is produced by torsion of the torsion spring and transmission of a stay wire, thereby automatic telescoping of the foot placing plate is realized.

The invention discloses an automatically telescopic robot leg. The robot leg consists of a motion unit, an upper / low fixing seat, an upper / low electromagnet, a sleeve, a U-shaped block, a spring plate and a spring, wherein the upper electromagnet and the lower electromagnet have fixed and opposite polarities; the polarity of the moving electromagnet is variable; and when the robot leg moves, the moving electromagnet and the upper / low electromagnet form variable attraction (repulsion) or repulsion (attraction), so that the motion unit is driven to move up and down, and the telescopic function of the robot leg is realized. Compared with the prior art, the automatically telescopic robot leg has the advantages that automatic telescopic function of the robot leg can be realized, and the robot leg is convenient to control and high in motion precision; and the robot leg is high in response speed, safe, reliable, simple and compact in structure, convenient to process and mount and particularly suitable for a robot without the knee joint.

The invention discloses a primary equipment defect diagnosis and prediction method. The method comprises the following steps: treating defect filling data; building a defect standard library for defect description, defect representation, defect reasons, processing measures and operation data when defects occur by adopting a natural language processing technology on the basis of the treated data; based on the defect standard library, judging and diagnosing the part, the reason and the severity of the new defect data by adopting a neural network and semantic analysis technology; according to a defect diagnosis result, in combination with data such as an equipment defect aging factor, an alarm factor, an insulation performance factor, an equipment importance degree, a defect grade and a voltage grade, evaluating the risk grade of the equipment through a correlation analysis and comprehensive evaluation algorithm; and adopting a time sequence algorithm and Markov correlation analysis prediction. The method can improve the precision and depth of the model, makes up for the defects of the existing research, guarantees the availability of the model, and solves the problem of uncontrollable cost loss caused by the defects to the equipment risk.

The invention discloses an electronic intelligent bus station with a hydraulically-assisted telescopic rain keeping-off function. The electronic intelligent bus station comprises a base, a top plate is arranged above the base, and the middle of the lower end of the top plate is fixedly connected with the base through a height-adjustable supporting column. Movable rain keeping-off plates are symmetrically arranged on the two sides of the lower end of the top plate and slidably arranged at the bottom of the top plate, a first hydraulic cylinder is fixed to the position, on the inner sides of themovable rain keeping-off plate, of the top plate, and a first piston block is arranged in the first hydraulic cylinder in a matched mode. A first piston rod is arranged on the first piston block andfixedly connected with the movable rain keeping-off plates, and a second hydraulic cylinder is fixed to the middle of the upper end of the top plate. According to the electronic intelligent bus station, the structure is simple and reasonable, the hydraulic cylinders are driven to work through the gravity of rainwater, automatic stretching out and drawing back of the movable rain keeping-off platesare achieved, meanwhile the height of the whole electronic intelligent bus station is adjustable, later-period maintenance by workers is facilitated, and practicability is high.

The invention discloses an electric mobile phone support, an automobile instrument panel and an automobile. The electric mobile phone support comprises a shell which is internally connected with a mobile phone fixing support capable of stretching out of the shell; a guide rod and guide groove limiting mechanism and a transmission driving mechanism which are used for driving the mobile phone fixingsupport to move and overturn relative to the shell are arranged between the shell and the mobile phone fixing support; when the mobile phone fixing support is located in the shell under the effects of the guide rod and guide groove limiting mechanism and the transmission driving mechanism, the mobile phone fixing support is in a horizontally-stored state; and when the mobile phone fixing supportis located outside the shell under the effects of the guide rod and guide groove limiting mechanism and the transmission driving mechanism, the mobile phone fixing support is in a vertically-used state. The mobile phone fixing problem can be solved under the premise that the air blowing property of an air outlet and the driving visual field of a driver are not sacrificed, automatic operation in the whole journey can be achieved, meanwhile electric hiding is achieved, and the appearance effect is good.

The invention discloses a brush head of a dust collector, which comprises a middle support connected with an air inlet pipe, telescopic parts fixedly connected at two sides of the middle support, and end supporting parts fixedly connected at the ends of the telescopic parts, wherein each telescopic part has an organ type telescopic structure capable of extending along the length direction of the brush head. The length of the brush head can be changed as needed simply, and the initial length of the brush head is small, so that the brush head is suitable for sweeping small places such as windowsills or steps, and the like, and is easy to store; when the brush head is used for sweeping large-area planes, by only simply treading a pedal, the brush head can stretch out and draw back automatically, and the reutilization of tail gas of the dust collector can be realized, so that the dust collection efficiency and practicability can be improved to further improve the satisfactory degree of a user; and for the brush head, the structure is simple, and the application range is wide, so that the brush head is beneficial to wide production and popularization and has great practical production significance.

The invention aims to provide a port forming machine. The port forming machine is characterized in that an inner telescopic device and an outer telescopic device are arranged on the same axis; the inner telescopic device is provided with an inner mould composed of a plurality of inner petal mould bodies at an opening fastening portion, and the inner mould realizes the expansion and contracting motions through an inner telescopic rod; and the outer telescopic device is provided with an outer mould composed of a plurality of outer petal mould bodies at the opening fastening portion and comprises an outer mould thruster, and the outer mould moves in the radial direction through the outer mould thruster to complete expansion and contracting motions. The design key points of the technical scheme lie in that the inner mould and the outer mould move in the same radial plane at the opening fastening portion, the inner mould and the outer mould are combined through a split petal structure, and a weaving component is fixed to a port of a corrugated pipe component through an end cap within a certain diameter range. The power of the inner mould and the outer mould is from driving devices moving on the same axis, and the moving directions of the inner mould and the outer mould are switched through an inner mould taper rod and the outer mould thruster.

The invention belongs to the technical field of retractable belt machines for coal mine. In order to solve the technical problems of the high operation cost and the low transfer efficiency of an existing retractable belt machine, the automatic retractable belt machine is provided. The automatic retractable belt machine comprises tape, a steel truss train, a transition train, a retractable train and a receiving navigation tractor, wherein the steel truss train, the transition train, the retractable train and the receiving navigation tractor are mutually hinged in sequence. The steel truss train comprises a navigation nose and multiple steel truss gun bogies. The steel truss gun bogies are hinged mutually. The ends of the steel truss gun bogies and the navigation nose are hinged mutually. Unmanned steering mechanisms are correspondingly mounted at the front end of the navigation nose and the tail end of the receiving navigation tractor. Wheel balancing mechanisms are correspondingly mounted on the wheel positions of the navigation nose, the steel truss gun bogies, the transition train, the retractable train and the receiving navigation tractor. The tape is mounted on the steel truss train, the transition train, the retractable train and the receiving navigation tractor. By the adoption of the automatic retractable belt machine, the production efficiency of a system is improved, the production cost is lowered, the operation cost is lowered, and the problems that the transfer efficiency is low and the number of attendant operation personnel in the system is large are solved thoroughly.

The invention provides a method and a system for identifying and warning strangers outside a door, and relates to the technical field of intelligent door locks. The system comprises an intelligent cateye lock. The intelligent cat eye lock is used for being connected with a cloud server and a mobile terminal through a gateway, and the method comprises: the intelligent cat eye lock acquiring imageinformation of visitors outside the door and uploads the image information to the cloud server for identification and judgment; when the intelligent cat eye lock receives that the visitor outside thedoor is a stranger fed back by the cloud server, the intelligent cat eye lock giveing an alarm; and when the intelligent cat eye lock detects that the staying time of the stranger exceeds the preset time, the intelligent cat eye lock forbidding outdoor unlocking and triggering the cloud server to send an alarm prompt to the mobile client. According to the intelligent cat eye lock, the stranger iswarned firstly, and if the stranger does not leave within the preset time, the intelligent cat eye lock is forbidden to be unlocked from the outer side through any one of the key, the password, the fingerprint or the door card, so that the intelligent cat eye lock can take preventive measures on site, and the stranger is prevented from unlocking and entering a room.

The invention discloses a water-saving type automatic adjusted rock or concrete cylindrical sample manufacturing device. The device comprises a first oil cylinder, a second oil cylinder and a horizontal lead rail; the first oil cylinder is fixedly arranged at one end of the horizontal lead rail along the vertical direction of a cylinder bore; the second oil cylinder is arranged at the other end of the horizontal lead rail along the horizontal direction of the cylinder core; the first oil cylinder arranged in vertical direction can adjust the installing space of a sample and further manufacture the sample at any height as required; the sample is installed through a pressure bearing plate and a rubber plate, and the sample is driven by a coaxial motor, and the polishing is changed from passive to active. Meanwhile, a polishing component driven by the second oil cylinder and crossly glided is further arranged, and the cylindrical samples with different diameters can be manufactured according to difference distances between the polishing component and the sample center; meanwhile, a control system is arranged to accurately automate a supporting base; a cooling water pipe is glided along the vertical slide block so as to save water and energy. The water-saving type automatic adjusted rock or concrete cylindrical sample manufacturing device has the advantages of being simple in structure, and capable of completing the production of the cylindrical sample once, saving time, work and labor.

The invention discloses an automatic telescopic overturning accommodation ladder which is installed on a hull. The automatic telescopic overturning accommodation ladder comprises a telescopic accommodation ladder, a telescopic driving device, an overturn device and an overturn driving device, wherein the telescopic accommodation ladder comprises an upper platform frame hinged to a gunwale deck, an upper platform turntable is rotationally installed on the upper platform frame, an upper accommodation ladder is hinged to the upper platform turntable, and a lower accommodation ladder is slidably installed on the upper accommodation ladder. The telescopic driving device is arranged between the hull and the telescopic accommodation ladder, the overturn device comprises a column, an overturn arm is hinged to the hull, and a rotation locking device is arranged between the overturn arm and the column. The overturn driving device is arranged between the overturn device and the telescopic accommodation ladder. Automatic telescoping and overturning retraction of the telescopic accommodation ladder are achieved through the telescopic driving device and the overturn driving device, the resistance influence can be effectively avoided, and the automatic telescopic overturning accommodation ladder is high in efficiency and stable and reliable in work.

The invention discloses a real-time uninterrupted intelligent monitoring system based on health management. The system comprises an intelligent bracelet and a bracelet cloud platform in communicationconnection with the intelligent bracelet. The intelligent bracelet is used for obtaining heart rates in real time and uploading the heart rates to the bracelet cloud platform at a first uploading frequency to be stored, is also used for comparing the heart rates with a preset heart rate threshold, generating a heart rate alarm command and uploading the heart rate alarm command to the bracelet cloud platform, and is also used for comparing the heart rates with the preset heart rate threshold, generating a heart rate early warning command, and uploading the heart rates to the bracelet cloud platform at a second uploading frequency on the basis of the heart rate early warning command to be stored. The bracelet cloud platform generates heart rate alarm information on the basis of the receivedheart rate alarm command and the stored heart rates, and sends the heart rate alarm information to an alarm terminal to give a heart rate alarm. By means of the system, the sudden death probability ofpeople is reduced. The invention further discloses a real-time uninterrupted intelligent monitoring device based on health management.

The invention discloses convenient bridge equipment. The convenient bridge equipment comprises a base body arranged above a base and a top frame arranged above the base body; a fourth driver is arranged at the bottom of the interior of the base; the top of the fourth driver is connected with a rotary column; an extension end on the top of the rotary column runs through the inner wall of the base and is fixedly connected with the bottom end plane of the base body; a bearing is fixedly arranged between the base body and the base; an accommodating cavity is formed in the base body; a first hollow groove and a second hollow groove are formed in the base body on the top of the accommodating cavity; a sliding groove is formed in the inner top wall of the first hollow groove; a fetching-taking groove is formed in the outer wall of the base body on the right side of the accommodating cavity; a through groove and a clamping groove are formed between the fetching-taking groove and the accommodating cavity; a rotary shaft which extends up and down is arranged in the accommodating cavity; an extension section on the top of the rotary shaft runs through the inner wall of the base body to extend into the first hollow groove; a first tooth-shaped wheel is fixedly arranged at the tail part of the rotary shaft in the first hollow groove; a reel is fixedly arranged on the rotary shaft in the accommodating cavity; a wire is wound in the reel; a sliding block is arranged in the sliding groove; the bottom of the sliding block extends into the first hollow groove; and a first driver is arranged in the bottom end plane of the sliding block. The convenient bridge equipment is simple in structure, convenient to operate, capable of collecting wires automatically, and high in safety.

The invention discloses a full-automatic numerical control multifunctional electronic thread-regulation jacquard purl round weft knitting machine. A post-jacquard device closely props against the inner wall of a needle cylinder in the knitting process to prevent a triangular mechanism from dropping and ensure high quality of a final product. The triangular mechanism realizes automatic stretching and retraction of a triangular block on the round weft knitting machine to automatically change the knitting track. The drawing and batching tension of a batching mechanism in the entire weaving process can be correspondingly regulated according to the technical requirements so as to realize more stable fabric drawing and batching; and the production process of various gray fabrics and the specification and quality of products can be guaranteed. A needle cylinder driving device realizes automatic control on the rotation speeds of an upper needle cylinder and a lower needle cylinder to adapt to the production of various products, and the product processing precision is improved.

The invention discloses a safety belt capable of achieving automatic binding. The safety belt comprises a seat. A sealing cavity is formed in a base of the seat. An air pump is fixed to the side wallof the sealing cavity. A safety belt body is fixed to the air outlet end of the air pump. A clamp block is fixed to the end, away from the air pump, of the safety belt body. A moving hole is formed inone side of the base of the seat. A fixed hole is formed in the side, away from the moving hole, of the base of the seat. A rope groove is fixed in the base of the seat. A telescopic band is wound onthe outer wall of the rope groove. A clamp groove matched with the clamp block is fixed to the end, away from the rope groove, of the telescopic band. The clamp groove penetrates through the fixed hole to be located on the outer side of the seat. Through cooperative use of the above device, a passenger can fasten the safety belt more conveniently, meanwhile, the length can be autonomously changedwhen the safety belt meets with passengers of different body types, and comfort and safety are improved.

The invention relates to the technical field of feed. A feeding port is included. A positive plate is fixedly connected to the inner side of the feeding port, a negative plate is fixedly connected tothe position, close to the bottom of the positive plate, of the inner side of the feeding port, and a piezoresistor is fixedly connected to the position, close to the bottom of the negative plate, ofthe inner side of the feeding port. According to the anti-blocking feed grinder, the relative area of the positive plate and the negative plate is gradually reduced through movement of a dielectric plate, namely, the voltage in a circuit is reduced, when the maximum working voltage of the piezoresistor is reached, current passes through the circuit, a magnet moves under the action of repulsion, the rotating speed of a screw is gradually increased, and blocked feed is dredged; and normal use of the machine is guaranteed, the feed crushing efficiency is improved, meanwhile, the blocked feeding port does not need to be manually cleaned, when the machine works, a worker does not need to be on guard and does not need to observe the use condition of the machine, the feeding port can be cleaned in time, and manpower and time are saved.