72results about How to "Work is stable" patented technology

The invention provides an AGV charging management method. The method includes the following steps that a charging threshold value a, a target electric quantity value b and a lowest electric quantity threshold value c are set; a total real-time electric quantity value e of AGVs in a transport system is monitored; an expected number g of to-be-charged AGVs in the transport system is calculated; theg AGVs are selected as the to-be-charged AGVs, whether the AGVs marked with execution of charging tasks exist in the expected number g of the to-be-charged AGVs or not is judged, according to the charging threshold value a and the lowest electric quantity threshold value c, the precedence levels of the to-be-charged AGVs are judged, and the to-be-charged AGVs are sequentially moved to operating charging piles to be charged according to the precedence levels; and an operation in a new round is started after one to-be-charged AGV is charged. The provided transport system applies the above AGV charging management method. By the adoption of the AGV charging management method, the charging precedence levels of the AGVs can be arranged quickly; and the transport system can assess the total electric quantity of the AGVs in the transport system and then execute charging management, so that AGV charging management decision making time is shortened.

The invention discloses a three-dimensional printing device. The three-dimensional printing device comprises a base plate, light source and a controller, wherein a liquid storage groove is formed in the middle of the base plate, the inner wall of the liquid storage groove is provided with an anti-sticking element, and the interior of the liquid storage groove contains polymerizable liquid; and further comprises a base which is adapted to the liquid storage groove in a para-position way, the base is connected with a driving device, and the light source is matched with the bottom of the base. Due to the fact that the anti-sticking element is adopted as the covering part of the liquid storage groove, a forming part formed by the solidified polymerizable liquid can be rapidly and efficiently separated from the anti-sticking element so as to implement further forming processing operation, and therefore the whole three-dimensional printing process is more rapid and efficient, meanwhile, the damage of a product or a component structure caused by too large adhesion force in the process of separating the formed product from the equipment component is effectively avoided, and the processing effect of the product and the stable working operation of the equipment assembly are ensured. The invention further discloses a three-dimensional printing method applying the three-dimensional printing device.

The invention relates to a hydraulic oil cylinder which comprises a cylinder barrel, a rear end cover, a front end cover, a piston rod and a piston. The hydraulic oil cylinder is characterized in that: a screw hole is arranged in the center of the rear end cover, a position-limiting screw rod which can adjust the stroke of the piston rod is arranged on the screw hole, and the outer end of the position-limiting screw rod is fixed by a locking nut. A through hole is arranged in the center of the position-limiting screw rod, an installation hole is arranged at the rear end of the piston rod, an air exhaust valve is arranged on the installation hole, and a channel which is arranged at the front end of the air exhaust valve is connected with an inner cavity of the cylinder barrel. The air exhaust valve comprises an air exhaust screw, a spring and a steel ball. The steel ball leans against the channel under the action force of the spring. A blocking head is arranged at the rear end of the position-limiting screw rod. The front end cover comprises a guide sleeve and a stop sleeve, the guide sleeve is connected with the cylinder barrel in a sealing manner, and the stop sleeve is connected with the front end of the cylinder barrel by a connecting piece in a fastening manner. The stop sleeve is provided with an adjusting device which can carry out automatic centering on the piston rod. Hydraulic oil with the above structure can adjust the stroke of the oil cylinder, and the running of the oil cylinder is stable.

The invention relates to a novel ammonia gas leakage decontamination simulation experiment platform, which comprises an ammonia gas metering and feeding system, a gas circulating system, a data acquisition and analysis system, a water mist system and a decontamination chamber. The novel ammonia gas leakage decontamination simulation experiment platform device disclosed by the invention has good leak tightness and good test data repeatability, and each component is stable in work and operation, so that a quite good platform can be provided for researching decontamination of dangerous poison gases, and the novel ammonia gas leakage decontamination simulation experiment platform has an important significance for a fire brigade to improve the poison gas decontamination efficiency.

The invention relates to the technical field of new processes and new processing equipment, in particular to a cylindrical roll bearing solid retainer stamp assembling mould, which is provided with a positioner and a punch reasonable in structural designs. During assembling, a retainer is placed on the fixed positioner after rollers are mounted in pockets of the retainer, the punch moves to the outer circumference of the retainer until required stamps are stamped, and then stamps required by the outer circumferences of the other retainers are stamped sequentially. During machining of contact curve surfaces between the positioner and the rollers, the requirement of uniform difference is met, and the requirement for the roughness of the curve surfaces is guaranteed. During machining of the conical surface of the punch, the requirement for angular difference is met, tip angles are chamfered, and the roughness of the conical surface meets the design requirement. Alignment between the punch and the outer circumference of the retainer in a bearing component is guaranteed while a certain distance is reversed between the same, so that the punch is guaranteed to move into the retainer radially to realize stamping effect.

The invention is a turnup rack of a rubbish compressing device, comprising hydraulic rams 5 installed at both sides right ahead of a case of a rubbish compressor head, two rotary main arms 4 which are hinged on a support base of the case and can rotate up and down; a telescopic piston rod end of the hydraulic ram is connected with the rotary main arm 4 by an oil cylinder pin roll 3; a hook component is fixedly connected between the two rotary main arms 4; a component of press barrels and support barrels is connected on the hook component by the pin roll and a shaft sleeve component 12; the component of press barrels and support barrels comprises a bracket 9, a press tongue 21 and roller wheels 10; the press tongue 21 is fixed at the top of the bracket and positioned above the hook; the roller wheels 10 are fixed at the front end of the bottom of the bracket 9 and positioned below the hook component; the back end of the component of press barrels and support barrels is connected with a compression type nitrogen spring 14; the other end of the nitrogen spring 14 is connected on the support base 2; the nitrogen spring 14 controls the rotary motion of the component of press barrels and support barrels. The turnup rack has compact structure, stable and reliable motion.

The invention relates to an efficient dispersed venturi ejection reactor, which comprises a high-speed jet nozzle, venturi equipment and a heat insulation jacket, wherein the connecting end of the high-speed jet nozzle and the venturi equipment is connected and sealed by a non-standard flange and a venturi flange, and a venturi section hot steam inlet and outlet pipe is arranged on a venturi heat insulation jacket; a drainage tube section hot steam inlet and outlet pipe is arranged on a drainage tube heat insulation jacket, and a finned tube is arranged in the drainage tube heat insulation jacket. Hydrogen peroxide is ejected out by the nozzle at high speed, and a negative pressure area is formed in a suction chamber, so that a yellow phosphorus liquid containing an arsenic impurity flows through a suction tube into the suction chamber, the yellow phosphorus is efficiently dispersed under the action of jet turbulence, and then the yellow phosphorus and the hydrogen peroxide are subjected to a sufficient contact and mixing reaction in a throat tube and are drained along a diffusion tube and a drainage tube; an outer-layer heat insulation jacket allows the reactor to be at appropriate work temperature. Through the driving of a circulating pump, the uninterrupted contact and mixing reaction of the hydrogen peroxide and the yellow phosphorus is realized, and the ultimate purpose of arsenic removal of the yellow phosphorus is achieved.

The invention relates to a pipe cutting and grooving machine which aims at solving the technical problems that the cutting surfaces are uneven and the construction requirements are not met due to the existing manual cutting on plastic pipes and grooving on the pipes is complicated in technology. The pipe cutting and grooving machine comprises a frame, a clamping rotation mechanism, a cutting and grooving mechanism and a power source; the clamping rotation mechanism, the cutting and grooving mechanism and the power source are correspondingly arranged on the frame in turn; the clamping rotation mechanism is used for clamping the pipes and driving the pipes to rotate. According to the pipe cutting and grooving machine, the cutting and grooving machining on the pipes can be effectively and rapidly achieved, the surfaces of the grooved and cut pipes are neat and smooth, and the construction requirements are met.

The present invention provides a swinging compressor of junk compression equipment, which comprises a compression box. The two sides inside the compression box are respectively provided with a hydraulic cylinder; the inside of the compression box is also provided with two push-head swing arms which can rotate and swing up and down and a push head; the two push-head swing arms are respectively arranged on the two sides inside the compression box; the rear end of the push-head swing arm is articulated with a push head hinged base on the body of the compression box; the front ends of the push head and the two push-head swing arms are fixedly connected with each other; the upper ends of the two hydraulic cylinders are articulated with the upper support seat on the body of the compression box and the lower ends thereof can be the movable ends respectively articulated with the middle part of the two push-head swing arms; the front part inside the compression box is fixed with a rail arc plate; a gap is arranged between the bottom part of the push head and the rail arc plate. The present invention has simple structure, extremely low noise and no interior cleaning, and can ensure the collection and transport of junk under the state of high-compression dehydration, which is a junk compressor with energy saving and environmental protection. The swinging compressor of the present invention can be widely used as a junk collecting device in urban roads, resident sub-districts, industrial zones, villages and towns.

The invention provides an inverter welding machine and a protection control circuit thereof. The protection control circuit comprises a protection control module which is coupled to a timing control circuit of the inverter welding machine and controls the timing control circuit to output a low level when the protection control module and the timing control circuit are connected, a start-up protection module which is coupled to a power terminal and the protection control module, controls the protection control module and the timing control circuit to be connected when the inverter welding machine is connected to a power source and controls the protection control module to be disconnected from the timing control circuit after the inverter welding machine is connected to the power source fora preset period of time, a power failure protection module which is coupled to the power terminal and the protection control module and controls the protection control module and the timing control circuit to be connected when the voltage of the power source where the inverter welding machine is connected to is lower than a preset voltage value, and a manual protection module which is coupled to the power terminal and the protection control module and responses to user operation for controlling the protection control module and the timing control circuit to be connected. The reliability of theinverter welding machine is improved.

The invention relates to an automatic wire-stripping machine for flexible flat cables. The automatic wire-stripping machine comprises machine case (1), wherein a feeding apparatus (2), a positioning apparatus (3), a front roller set (4), an adjusting apparatus (5) and a back roller set (6) are arranged on the outer wall of the machine case (1) from right to left in sequence; a wire cutting-stripping apparatus (7) used for stripping the flexible flat cables is arranged between the adjusting apparatus (5) and the back roller set (6); and the feeding apparatus (2) is used for feeding the flexible flat cables, and is positioned through the operating of the positioning apparatus (3). The automatic wire-stripping machine is simple in structure, stable in operation and high in working efficiency; positions of wires are fixed, so that the wire offset does not occur easily; the automatic wire-stripping machine can rapidly, conveniently and automatically strip insulating layers from two ends of the wires or from any positions in the middle of the wires; and in addition, the automatic wire-stripping machine is high in automation degree, less in manual intervention and relatively low in production cost.

The invention discloses a lower-film-walking packing mechanism. The lower-film-walking packing mechanism comprises a frame (11), an uncoiling device (1), a molding device (3), a middle sealing device (4) and a sealing-cutting device (7), wherein the uncoiling device (1) is arranged on the lower part of the frame (11); the opening of the molding device (3) faces upwards; a support drum (5) is arranged on a tool-sealing revolving shaft (8) of the sealing-cutting device (7) through a fixed seat (6). According to the lower-film-walking packing mechanism, the support drum is used for stably supporting a packing film and large-sized medicine in the packing film, so that smooth conveying is facilitated; the lower-film-walking packing mechanism has the advantages of simple and practical structure, stability in working and running, rapidness and smoothness in conveying and high production efficiency, and is suitable for pillow type packing of large-sized medicine.

The invention discloses an off-line debugging test system for a tipping paper deviation rectifying device. The off-line debugging test system comprises a testing desk, paper tape conveying mechanisms,a tipping paper unwinding mechanism, a paper pulling mechanism, a tipping paper offset executing mechanism, an offset detector mounting mechanism, an offset adjuster mounting mechanism, a paper tapecirculation winding mechanism and a control module, wherein the paper tape conveying mechanisms are distributed on the mounting surface of the testing desk; the tipping paper unwinding mechanism, thepaper pulling mechanism, the tipping paper offset executing mechanism, the offset detector mounting mechanism, the offset adjuster mounting mechanism and the paper tape circulation winding mechanism are sequentially mounted on the testing desk along conveying paths of the paper tape conveying mechanisms; a tipping paper offset detector is detachably mounted on the offset detector mounting mechanism in the debugging process, and a tipping paper offset adjuster is detachably mounted on the offset adjuster mounting mechanism; and the tipping paper offset detector is connected into the control module, and the tipping paper offset executing mechanism and the tipping paper offset adjuster are connected into the control module and further controlled by the control module. According to the off-line debugging test system for the tipping paper deviation rectifying device, the tipping paper deviation rectifying device can be developed and simulated in the off-line state, and the reliability, stability and safety of the deviation rectifying device in the working process can be tested.

The invention provides a rotor type engine and relates to the technical field of engines. The rotor type engine comprises three functional levels including a compression level, a combustion level and an expansion level. The rotor type engine is characterized in that all levels are independent to one another and are connected in series into a whole through a main shaft, and each level is composed of one or more heating power conversion units. The heating power conversion units comprise compressors, combustors and expansion machines at different functional levels. The engine is mainly composed of a main rotor, an auxiliary rotor, a shell and a timing device; main components are all subjected to revolved body machining, the outer diameter of the main rotor is tangent to that of the auxiliary rotor and is two times that of the auxiliary rotor, and the angular speed of the auxiliary rotor is two times that of the main rotor; and the shell contains fixed air feeding openings and exhausting openings, the timing device is a cylindrical piece containing a circumferential air opening, and the timing device and the shell are subjected to sealed treatment through comb teeth. Core components of the compressors, the combustors and the expansion machines are all served as the timing device.

The invention discloses an intelligent cleaner for sightseeing elevators, which comprises a car and a traveling device. The traveling device is mounted outside the car. The car is provided with a doorand a liquid storage tank; the liquid storage tank is mounted at the upper end of the car. The traveling device includes a housing, a motor and an arc guide; the housing is arranged at the two ends of the door; the motor is arranged at the lower end of the housing and includes a screw; a fixing block and an a hollow fixing plate are arranged in the housing; the fixing block is mounted in the middle of the hollow fixing plate; a lift block is connected to the fixing plate and mounted on the screw. The fixing block is provided with a positioning block; an electromagnet and a magnet are arrangedin the positioning block; a pusher is arranged in the middle of the fixing block; an oblique guide post is arranged on the magnet; the pusher is provided with a first saw-tooth portion; the hollow fixing plate is provided with a second saw-tooth portion. The intelligent cleaner is simple in structure and convenient to use; workers have no need for climbing to a height for cleaning; working safetyis guaranteed for workers.

The invention discloses a weed-removing device with high efficiency and excellent vibration-reducing effect for landscaping. The weed-removing device comprises a bottom plate, wherein a placement platform is arranged at one side on the bottom plate; a cutting motor is mounted on the placement platform; a first rotary shaft is connected to the output end of the cutting motor; the other end of the first rotary shaft passes through the placement platform and the bottom plate and is connected with a rotary disc; a cutting blade is arranged at the periphery of the rotary disc; a vibration-reducingdevice is arranged between the placement platform and the bottom plate; a pesticide preparing box is arranged at one end of the placement platform; a pressurizing pump is arranged at one outer side ofthe pesticide preparing box; a first pipeline is connected to one side of the pressurizing pump, and a second pipeline is connected to the other end of the pressurizing pump; the other end of the second pipeline passes through the bottom plate and atomizing spray nozzles are connected to the other end of the second pipeline. The weed-removing device disclosed by the invention has the beneficial effects that the spraying of weed-removing pesticides on the roots of weeds are easier, so that the weeds are easier to thoroughly remove and the efficiency is higher.

Disclosed is a rotation type four-station semisolid processing automatic production line. The rotation type four-station semisolid processing automatic production line is characterized in that four stations circumferentially arranged around a rotation type four-station slurry casting machine are sequentially provided with a resistor melting furnace, a semisolid slurry preparation device, a crystal heat preservation box and an extrusion forming unit. By means of a reasonable production process layout, the rotation type four-station semisolid processing automatic production line achieves fully-automatic production control of semisolid processing, improves safety, stability and accuracy of the processing process, gives a full play to the advantages and the characteristics of the semisolid forming technique, effectively saves the floor area of the production line, improves the working efficiency, achieves continuous and efficient semisolid processing operations, improves the mass productivity, achieves the automated mass production of metal semisolid-formed workpieces and accelerates the process of industrialization of the semisolid forming technique.

The invention discloses a device and a method for reducing heat load of a natural gas engine by alcohol doping. The device and the method are characterized by carrying out closed-loop control on the injection quantity of natural gas and alcohol fuels by using an actual excess air coefficient measured by a wide-range oxygen sensor, so that the engine stably runs under a target excess air coefficient and any alcohol fuel mixing proportion, thereby reducing the heat load of the natural gas engine by the alcohol doping, creating conditions for further improving the compression ratio of the engine,further increasing the heat efficiency of the natural gas engine and reducing the hydrocarbon emission.

The invention provides a device and a treating method for purification and dearsenification of industrial yellow phosphorus. The device comprises a cyclone phase splitter, a dual-jet reactor and a circulating pump, wherein a yellow phosphorus outlet connecting pipe on the side edge of a lower cylindrical section of the cyclone phase splitter is connected with a yellow phosphorus suction pipe of the dual-jet reactor; a tangential inlet connecting pipe on the side edge of an upper cylindrical section is connected with a drainage tube flange; and the circulating pump is arranged between a hydrogen peroxide outlet connecting pipe on the side edge of the upper cylindrical section and a hydrogen peroxide connecting pipe flange. According to the technical characteristics of an existing yellow phosphorus technology, the cyclone phase splitter has the advantages of simple and compact structure, convenient use and large handling capacity, and is capable of saving energy, reducing consumption and reducing pollution; the dual-jet reactor and the rotational flow phase splitter are originally provided for a yellow phosphorus dearsenification treatment system; the arsenic content can be reduced to below 10ppm; the device and the method are continuous in operation, easy to automate, safe and efficient, wide in market prospect; and commercial requirements of a process system are relatively easily achieved.

The invention discloses a reversing mechanism of an anchor chain and a mooring chain. The reversing mechanism comprises a base and a disk structure arranged on the base. The reversing mechanism further comprises a center plate, a tapered roller bearing I, a round nut, a bearing sleeve, a shaft, a tapered roller bearing II, a shaft sleeve II, a sealing ring, a baffle I and a baffle II. The base comprises adjusting screws, adjusting nuts, a fixing plate I, two fixing plates II and two fixing plates III. The disk structure comprises a base disk, a top disk, a bearing end cap, a shaft sleeve I, hanging rings, a cover plate and a screw. The reversing mechanism of the anchor chain and the mooring chain are simple in structure, reliable in performance, low in cost, stable in working operation, long in service life and convenient to install and maintain.

The invention discloses a method for processing finned tube teeth. The method includes the following steps: S1. Feeding, passing the tube material through the nylon headstock (301) and extending through the guide sleeve (302), and making the tube One end of the material corresponds to the disc cutter (233); S2. Adjust the feed position radially, and the radial transmission mechanism of the three cutters drives the respective disc cutters to approach the center at the same time, and the first deceleration is made by controlling the first motor (201). The gear (202) moves, and the output shaft of the first reducer is driven by the coupling (210), the screw part (211) connected with the coupling and the screw nut (212) matched with the screw part The first slider upper plate (213) and the second slider upper plate (214) move radially along the first linear guide rail (206) and the second linear guide rail (207) respectively. The invention adopts the method of processing the fin tube teeth, the process is simple and easy to operate, the working efficiency is high, the product quality is improved, and the qualified rate of the product is high.

The invention relates to the technical field of drilling tools, in particular to a roller bit. The roller bit comprises a gear shaft hole, a palm shaft, steel locating balls, a sealing system and an oil storage and compensatory pressure balance system, wherein the steel locating balls are arranged between a gear and a steel ball locking groove of the palm shaft and used for locking the gear and the palm shaft, the palm shaft is composed of a large shaft and a small shaft, the upper portion of the large shaft is provided with a thrust surface, the small shaft is fixed on the thrust surface, the thrust surface and the side face of the large shaft are connected into a whole through an externally protruding arc surface, the radian of the externally protruding arc surface is identical to that of a well bottom, and the externally protruding arc surface is parallel to a well bottom angle. By means of the structure, the situation that a bearing bears force locally can be reduced, and the bit operates stably at high speed. The force bearing area of the sliding bearing is increased, so that the area of an oil film of lubricating oil is increased, the roller bit can be better adapted to directional drilling under high bit pressure and a high-temperature environment, and the requirement for the sliding bearing of the small or ultra-small roller bit can be met.

The invention relates to a diesel engine, in particular to a dual cylinder air-cooled diesel engine. The dual cylinder air-cooled diesel engine comprises an engine body, a cylinder sleeve, a crankshaft, a crankshaft box cover, an oil pump, an oil pump drive gear, a flying hammer and a flywheel, wherein the cylinder sleeve is embedded in the engine body, a plurality of protrusions are arranged on an external disk of the cylinder sleeve, the two ends of the crankshaft are respectively arranged on the engine body and the crankshaft box cover, two flying hammers are symmetrically arranged on a governor drive gear, a high pressure oil duct is arranged on the crankshaft box cover, and the flywheel is arranged on one end of the crankshaft, which is connected with the engine body. The dual cylinder air-cooled diesel engine is characterized in that a plurality of balance ridding unbalance holes are arranged on the upper portion of a hub of the flywheel, which corresponds to the turning direction of the crankshaft or a plurality of balance matching blocks are arranged on the lower portion of the hub of the flywheel, which corresponding to the turning direction. The dual cylinder air-cooled diesel engine increases the working efficiency of the diesel engine in general.

The invention is a turnup rack of a rubbish compressing device, comprising hydraulic rams 5 installed at both sides right ahead of a case of a rubbish compressor head, two rotary main arms 4 which arehinged on a support base of the case and can rotate up and down; a telescopic piston rod end of the hydraulic ram is connected with the rotary main arm 4 by an oil cylinder pin roll 3; a hook component is fixedly connected between the two rotary main arms 4; a component of press barrels and support barrels is connected on the hook component by the pin roll and a shaft sleeve component 12; the component of press barrels and support barrels comprises a bracket 9, a press tongue 21 and roller wheels 10; the press tongue 21 is fixed at the top of the bracket and positioned above the hook; the roller wheels 10 are fixed at the front end of the bottom of the bracket 9 and positioned below the hook component; the back end of the component of press barrels and support barrels is connected with acompression type nitrogen spring 14; the other end of the nitrogen spring 14 is connected on the support base 2; the nitrogen spring 14 controls the rotary motion of the component of press barrels andsupport barrels. The turnup rack has compact structure, stable and reliable motion.

The present invention discloses a coating assembly line automatic control system. The system comprises a central processor, the central processor is connected with a repeater through a data bus, the repeater is connected to a router through a data line, the router is connected with a display and six PLC first level controllers through data lines, and the six PLC first level controllers are a PLC1 pre-processing controller, a PLC2 powder spraying controller, a PLC3 paint spraying controller, a PLC4 three waste controller, a PLC5 transport assembly line controller and a PLC6 drying and refrigerating controller. According to the coating assembly line automatic control system, the working efficiency of an assembly line is greatly raised, body health of workers is protected, and labor intensity is reduced.

The invention discloses a charging pile with an automatic wire take-up function. The charging pile with the automatic wire take-up function comprises a charging pile; a flashing board is arranged at the upper end of the charging pile; a mounting mechanism is arranged at the lower end of the charging pile; wire take-up mechanisms are arranged on the two sides of the charging pile correspondingly; each wire take-up mechanism comprises a wire storage box, a wire spool, a charging wire and a fixing mechanism; the wire storage boxes are installed on the two sides of the charging pile; an installation hole is formed in the surface of one side of each wire storage box in a clamped mode; each wire spool is movably installed on the inner side of the corresponding wire storage box through a bearing;torsional springs are arranged on the two sides of each wire spool respectively; one end of each torsional spring is fixedly connected with a rotating shaft where the corresponding wire spool is located, and the other end of each torsional spring is fixedly connected with the side wall of the corresponding wire storage box. According to the charging pile with the automatic wire take-up function of the invention, clamping pieces are pulled back by pulling ropes in fixing mechanisms, so that the clamping pieces are separated from clamping strips on the charging wires of the wire take-up mechanisms; the wire spools are driven by the torsional springs to rotate, so that the charging wires are driven to be wound on the wire spools; and therefore, the automatic take-up of the charging wires isachieved.

The invention discloses novel finned tube tooth molding equipment. The tooth molding equipment comprises a workbench (1), tool feeding devices (2) and a material supporting mechanism (3) used for supporting a tube material in the axial direction of the tube material, the workbench (1) is provided with an installing base (4) and a pedestal (5), the pedestal (5) is arranged on one side of the installing base (4), the tool feeding devices (2) are evenly distributed on the installing base (4), and the material supporting mechanism (3) is arranged on the pedestal (5). According to the novel finnedtube tooth molding equipment, the structural design is reasonable, work running is steady, in the process of machining the tube material into a finned tube, tools can not generate vibration, the phenomenon that the threaded wall of the finned tube is damaged to generate tool vibration grains is avoided, the product quality is improved, and the working efficiency is high.

The invention discloses a novel shaft sealing device which comprises a pedestal, a shock absorber, an alarm device, a controller, a gas hole and a guide sleeve, wherein a silencer is arranged at one side of the pedestal; a throttle valve is arranged above the controller; an energy conversion device is arranged at one side of the shock absorber; a cylinder sleeve is arranged below the energy conversion device; a fixed base is arranged at one side of the alarm device; a supporting base is arranged below the alarm device; and a sensor is arranged at one side of the gas hole. According to the novel shaft sealing device disclosed by the invention, the silencer and the shock absorber are arranged inside the device, so that the device works and operates more stably; the energy conversion device is arranged at one side of the shock absorber, so that kinetic energy generated by motion of the device is stored in the energy conversion device; in case of insufficient power supply, the energy conversion device is started, so that the sealing device continuously operates; and the alarm device is arranged above the supporting base, so that connection with a power supply is automatically interrupted when the device has faults during an operation period.

The invention discloses a high-efficiency plasma gas-liquid discharge system, comprising: a fixed plate I, a medium plate I, a medium plate II, a medium plate III, a medium dish, and a fixed plate II arranged in sequence from top to bottom; Plate I is sequentially connected with dielectric plate I, gasket I, gasket II, and dielectric plate III through fixing screws; the high-voltage electrode assembly is sequentially inserted into dielectric plate II and dielectric plate III through the through hole I opened by dielectric plate I; the dielectric plate II has a through hole II, and the medium plate III has a through hole III; the center of the fixed plate II is provided with a medium plate, and the medium plate is located between the medium plate III and the fixed plate II; the fixed plate I passes through The height adjustment screw is connected with the medium plate III, and the height adjustment screw is used to adjust the distance between the lower surface of the medium plate III and the upper surface of the medium dish. The invention can use plasma to directly process liquid, greatly enhances plasma processing efficiency, works stably, and is convenient for disassembly and maintenance.

The invention discloses a processing device for one-stroke sawing of hard stones and a working method. The processing device comprises a main motor, a flywheel, a crank connecting rod, a saw frame unit, a hinge guiding device, a waste material vehicle jacking device, a rack, a water spraying cooling device and the like, wherein the saw frame unit and the guiding device are arranged on the rack. The processing device is characterized in that hinge guiding device mainly comprises a swinging body, an upper connecting rod, a lower connecting rod, an upper connecting rod pivoting shaft, a lower connecting rod pivoting shaft and a swinging body middle shaft; the ends, which are connected with the rack, of the upper connecting rod and the lower connecting rod are certainly eccentric relative to the pivoting shafts of the upper connecting rod and the lower connecting rod, and the other end of the upper connecting rod and the other end of the lower connecting rod are hinged with the swinging body; one end of the swinging body middle shaft is pivoted on the saw frame unit and the other end of the swinging body middle shaft is hinged to and matched with the swinging body. According to the processing device, the one-stroke sawing of a frame saw can be realized, so that a saw frame can be lifted in an operation process and has impact in a cutting process; a cutter clamping phenomenon is not easy to occur and the service life of a cutter head is prolonged; the abrasion of the cutter head and the stones is reduced and the energy consumption is lowered.