41results about How to "Safe and convenient maintenance" patented technology

The invention relates to a bagged cement automatic bag-opening and discharging device for a nuclear power station. The bagged cement automatic bag-opening and discharging device for the nuclear power station comprises a sealing box, a conveying mechanism, a controller and a starting button. The bagged cement automatic bag-opening and discharging device for the nuclear power station is characterized by comprising a vertical lifting door, a cement bag recycling door and a cement exit. A cutting knife is fixed on the inner surface of the vertical lifting door, and the vertical lifting door is driven by a dynamic mechanism. An unpowered roller way and a belt conveying machine are respectively arranged inside and outside the vertical lifting door, and a guide rail is arranged on the upper portion of an outer shell. A motor can move on the guide rail through that a steel wire rope drags a bag-grabbing mechanism. A fine dust collecting machine is arranged on the top of the outer shell, signal input ends of the controller are respectively connected with signal output ends of a photoelectric sensor, a limiting switch and the starting button. Output ends of the controller are respectively connected with control ends of the belt conveying machine, the dynamic mechanism and the motor. The bagged cement automatic bag-opening and discharging device for the nuclear power station is simple in structure, low in cost, small in size, reliable in sealing, safe and convenient to use and maintain, and capable of meeting requirements for environmental protection of the nuclear power station.

The invention discloses a rotary kiln dry distillation powder semi coke dry quenching and afterheat utilizing device and belongs to the field of semi coke processing devices. A high-temperature discharging valve (10) is arranged on the lower end of each discharge tube (11) of the rotary kiln (12), a high temperature resistant scraper conveyer (9) is arranged on the lower end of each high-temperature discharging valve (10), and a plurality of discharge holes (902) are formed at the bottom of the high temperature resistant scraper conveyer (9); the lower end of each discharge hole (902) is respectively and tightly connected with a spiral gate (8), a distributing device (7), a heat exchanger (6), a water cooling jacket (5) and a discharge valve (3); a conveyor (1) is arranged on the lower part of one row of discharge valves (3), and a material level detector (13) is arranged on the distributing device (7) or the heat exchanger (6) on the tail end. By adopting the device, the dry distilled semi coke in the rotary kiln can be dry-quenched and steam can be produced through semi coke sensible heat; the device has the advantages of large processing volume, low manufacture cost, reliability in operation, convenience in overhaul, and the like.

The invention provides a separated type switch socket. The separated type switch socket comprises a wiring bottom box and a panel. The wiring bottom box comprises a wiring base and an installing support installed in the wiring base. The wiring base is of a hollow structure. The inner wall of the hollow structure is provided with at least two inserting grooves. Metal contact bodies are hidden in the inserting grooves respectively and are electrically connected with two base wiring ends respectively. The panel comprises a back base connected with an on / off button or a socket hole. The outer side of the back base is provided with at least two exposed metal protruding bodies. The periphery of the on / off button or the periphery of the socket hole is sleeved with an insulation frame. The metal protruding bodies are inserted into the inserting grooves and electrically connected with the metal contact bodies. According to the separated type switch socket, the switch panel or the socket panel is separated from a power supply circuit, and the switch panel or the socket panel can be replaced and maintained safely and conveniently without any tool.

The invention discloses a high-voltage DC power supply system and a control method of a high-voltage DC power supply system. The high-voltage DC power supply system comprises a photovoltaic high-voltage component string; bypass switches connected with positive and negative electrodes of photovoltaic components or connected with positive and negative electrodes of the photovoltaic component string;a DC output control device comprising a DC circuit breaker that is connected with a positive and / or negative electrode of the photovoltaic high-voltage component string; an inverter station that converts a high-voltage DC into an AC; and a DC power transmission line having one end connected to an output end of the DC circuit breaker and the other end connected to an input end of the inverter station. Through the cooperation of the bypass switches and the DC output control device, the system of the invention solves the technical obstacles that the high-voltage DC side switch of a photovoltaicpower station cannot be opened due to the arc-quenching problem, improves the relay protection measures of the DC photovoltaic power station, and makes an electrical system run more securely and reliably.

The invention discloses a double-drive counterweight high-speed stacking machine, and aims to reduce energy consumption and facilitate mounting and maintenance of a counterweight. The double-drive counterweight high-speed stacking machine comprises a lifting system, the counterweight, a counterweight adjusting device, an upright post, linear guide rails, a sliding block, a lower cross beam, a cargo carrying table, a fork, an active travelling system and a driven travelling system, wherein the lifting system comprises a lifting gear motor, a synchronous belt, synchronous pulleys and a lifting bracket; the synchronous pulleys mesh with the synchronous belt; the linear guide rails are mounted on the two sides of the upright post; the active travelling system comprises a driving wheel box, a gear drive wheel train, travelling wheels and a travelling gear motor; the travelling wheels and the gear drive wheel train are mounted in the driving wheel box; the driven travelling system comprises a driven wheel box and driven wheels; the driven wheels are mounted in the driven wheel box; a lower cross beam hinge lug ring, an upright post mounting plate and a driven wheel box mounting plate are arranged on the lower cross beam; the counterweight adjusting device comprises a hinge pin, a fixed block and an adjusting bolt; the fixed block is mounted on the upright post of the stacking machine; and the hinge pin is connected with the fixed block and the counterweight.

A commercial riding mower with a chassis built on a relatively rigid frame and having a number of operating systems such as the power plant, motive system, cutter drive system, and fuel storage and delivery system, each of which is accessible through a swing away panel, or hatch, for easy maintenance and repair without compromising safety of the operator or anyone in close proximity to the mower in operation, or impairing the structural integrity of the mower.

The invention discloses a cable connection auxiliary apparatus. The cable connection auxiliary apparatus comprises a power-supply-end cable and a power-utilization-end cable which are electrically connected through a cable plug, wherein a cable bearing bracket is arranged at the power-utilization equipment end connected with the power-utilization-end cable; a clamping and fixing apparatus used for fixing the power-supply-end cable is arranged at the outer end of the cable bearing bracket; the cable bearing bracket is equipped with an anti-falling-off transitional auxiliary lifting hook; the power-supply-end cable is provided with an anti-falling-off transitional connection rope connected with the transitional auxiliary lifting hook; and the power-supply-end cable is also provided with a pulling force sensor used for monitoring the state of cable. The cable connection auxiliary apparatus is provided with the clamping and fixing apparatus used for fixing the power-supply-end cable, so that the problem existing in the safe connection of the connecting parts of the cable is solved; meanwhile, for realizing convenient connection and replacement and maintenance of the cable, a transitional connection apparatus consisting of the transitional connection rope and the transitional auxiliary lifting hook is arranged between the connecting parts, so that the connection and the maintenance of the cable becomes safer and more convenient; and in addition, the clamping and fixing apparatus can prevent the cable from being damaged, and fixation requirements of multiple kinds of different cables can be satisfied as well.

The invention relates to a catalytic hydrogenation deoxygenation apparatus for a nuclear power station. The apparatus comprises a pedestal, a mixer, a resin deoxygenation tank, a resin trapper and a degassing tank, the mixer, the resin deoxygenation tank, the resin trapper and the degassing tank are respectively fixed on the pedestal, the mixer is connected with a water inlet pipe and a hydrongeation pipe, the water outlet of the mixer is connected with the water inlet of the resin deoxygenation tank, the water outlet of the resin deoxygenation tank is connected with the water inlet of the resin trapper, the bottom of the resin trapper is connected with a water outlet valve and a circulation valve through the water outlet pipe, the water outlet pipe is provided with a dissolved oxygen analyzer, the top of the resin deoxygenation tank and the top of the resin trapper are connected with the degassing tank through exhaust pipes, the top of the degassing tank is provided with a gas outlet, and the wind outlet of a fan is connected with the degassing tank. The catalytic hydrogenation deoxygenation apparatus is integrated on a pedestal, is debugged and then is integrally conveyed to a site, so the apparatus is safe and convenient to install, debug, use and repair.

The invention discloses a preparation method of a quaternary ammonium cationic monomer aqueous solution. The preparation method comprises the following steps: after fully mixing a mixture of unsaturated tertiary amine and a polymerization inhibitor with water, continuously feeding the mixture to a tower reactor from the upper part of the tower reactor; and continuously introducing gas halohydrocarbon from the lower part of the tower reactor to the tower reactor, wherein the unsaturated tertiary amine and the gas halohydrocarbon in the tower reactor are in countercurrent contact to react, the reaction temperature is 35-60 DEG C and the reaction time is 3-15 minutes. The preparation method disclosed by the invention realizes continuous production and is short in reaction time, and the conversion ratio of the unsaturated tertiary amine reaches over 99.8%, the content of a byproduct acrylic acid is less than 1000ppm, the content of the byproduct is low, the product yield is high and the product quality is stable.

The invention discloses a novel elevator cab top maintenance safety protection device which structurally comprises a safety operating system, a safety shoe switch, a door fan, a portal sill, a touchpanel connecting rod, a safety touch panel, a door vane, four door pulleys, a door machine guide rail and two auxiliary rods. The two auxiliary rods are horizontally welded at the left end and the right end of the safety operating system, the door machine guide rail is fixedly welded at the top of the front end of the safety operating system and in reinforcement connection with the safety operating system through a bolt, and the four door pulleys are horizontally embedded into the front end of the door machine guide rail. According to the device, when an elevator needs to be maintained by a maintainer, an elevator traction machine stops working by the aid of the switch, the safety operating system stops running, a first lifting rod drives a braking arm, brakes clamp the auxiliary rods, sothat the safety operating system stays on the auxiliary rods, sliding risks of the elevator are prevented, personal safety of an on-site maintainer is protected, maintenance of the maintainer is facilitated, and trouble and labor are saved.

The invention discloses a laminar flow purifying unit for a modular ceiling of a clean room and belongs to the technical field of an operating room air conditioning system. The laminar flow purifyingunit comprises a main case, a refrigerating case, a heating case and a humidifying fresh-air preheating case. A partition layer is arranged inside the main case and divides the inside of the main caseinto an air mixing layer and an air flow equalizing layer; a heating case communicating port and a refrigerating case communicating port are respectively preset in the front side wall and the back side wall of the main case; a humidifying fresh-air preheating case communicating port is preset in the right side wall of the main case; the refrigerating case is communicated with the refrigerating case communicating port, the heating case is communicated with the main case through the heating case communicating port, and the humidifying fresh-air preheating case is communicated with the main casethrough the humidifying fresh-air preheating case. According to the requirement on the level of the clean room, the laminar flow purifying unit realizes air supply, returning, fresh air supply, temperature and humidity regulation, sterilizing,purifying, filtering and silencing of the clean room are achieved.

The invention provides a bogie replacing device. The bogie replacing device comprises a first bearing part for bearing a bogie, two supporting columns arranged oppositely and a first cross beam erected on the two supporting columns, wherein a vehicle body supporting assembly for supporting a vehicle body is arranged on the first cross beam; and bogie lifting assemblies for lifting and dropping thefirst bearing part are arranged on the supporting columns. The bogie replacing device has the beneficial effects that the bogie replacing device has relatively good integrity and is extremely convenient to install and dismantle by arranging the vehicle body supporting assembly and the bogie lifting assemblies on the first cross beam and the supporting columns; in addition, as parts of the device,which need to be frequently overhauled and maintained, are mainly positioned above the ground, the bogie replacing device is safe and convenient to overhaul and maintain, the influence of undergroundhumid environments on the device can be avoided, and the reliability of the device is improved.

The invention discloses an automatic dispensing chip mounter for a glass cup cover. The automatic dispensing chip mounter comprises a frame assembly, wherein a switching gate is arranged at the lowerend of the frame assembly; a horizontal moving table is arranged at the rear end of the frame assembly; a control assembly is arranged at the rear end of the horizontal moving table; and a lifting mechanism is arranged at the front end of the horizontal moving table. The automatic dispensing chip mounter for the glass cup cover is provided with a dispensing assembly device and a knife edge cuttingdevice, and the process of dispensing paster is fully automatic without manual participation, so that the efficiency is high, and the quality is good; glue mixing of different brands can be avoided due to the fact that a dispensing head is blocked; errors caused by manual operation can be avoided by the automatic equipment, the production efficiency and the consistency are improved to a large extent; continuous operation can be achieved without stopping, so that the production efficiency is greatly improved; through the paster with better quality, the nursing is safe and reliable; and the working efficiency is high, the operation is convenient, and the maintenance and nursing are safe and convenient.

The invention discloses a flue gas backward-flow preventing coal feeding device of a CFB boiler and a flue gas backward-flow preventing method of the device, and belongs to the technical fields of coal feeding devices, and aims at solving the problems of overhaul inconvenience and environment pollution caused by flue gas backward flowing and operation difficulty caused by in-furnace negative pressure suction during the shutdown of the conventional coal feeder. The process of the flue gas backward-flow preventing coal feeding device is as follows: a, when a coal feeder operates normally, a gate valve is opened, an isolating valve is closed, the fire coal passes through a belt, a scraper coal feeder and a Venturi coal falling pipe in sequence and then falls to a material returning leg of a material returning device, and the fire coal and recycle materials at the bottom outlet of a cyclone separator together enter the hearth; b, when the coal feeder is shutdown and overhauled, the gate valve is closed, the isolating valve is opened, sealing air in a sealing air pipe forms a downward inclined jet flow through a dip angle alpha formed between the air outlet of the sealing air pipe and the wall surface of the straight pipe section, above the contraction section, of the Venturi coal falling pipe; c, through the suction force of the Venturi coal falling pipe, the downward inclined jet flow formed by the sealing air is sucked to the material returning leg of the material returning device and the hearth. The flue gas backward-flow preventing coal feeding device is convenient to operate and maintain and low in investment, and can be used for effectively solving the problems of flue gas backward flowing, device corrosion, overhaul and operation difficulty and environment pollution during the shutdown of the coal feeder.

The invention relates to a purifying device, in particular to a horizontal type purifying device for rare earth feed liquid. The invention aims to solve the technical problem so as to provide the horizontal type purifying device for the rare earth feed liquid. In order the solve the technical problem, the invention provides the horizontal type purifying device for the rare earth feed liquid. The horizontal type purifying device for the rare earth feed liquid comprises a tank body, a feed liquid conveying device, a filter device, electric heaters, support legs, a liquid outlet pipe and the like, wherein the filter device is arranged on the top part of the tank body and is connected with the feed liquid conveying device; a plurality of electric heaters are arranged in the tank body and are connected with a left inner side wall of the tank body through a bolt connection way; a plurality of support legs are welded to the bottom part of the tank body; and the liquid outlet pipe is located on the right side of one support leg. According to the horizontal type purifying device for the rare earth feed liquid provided by the invention, through adopting the horizontal combination structure of the tank body, the feed liquid conveying device and the filter device, the space occupation is reduced, and the horizontal type purifying device for the rare earth feed liquid is easy to disassembleand assemble, and safe and convenient to repair and maintain.

The invention discloses an ecological sightseeing garden illuminating frame convenient to adjust. The frame comprises a supporting base, the top end of the supporting base is fixedly provided with anadjusting box, a first threaded rod and a second threaded rod are rotationally arranged between the inner wall of the top end of the adjusting box and the inner wall of the bottom end of the adjustingbox correspondingly, gears are fixedly arranged on the outer sides of the first threaded rod and the second threaded rod, the two gears are meshed with each other, a driven bevel gear is fixedly arranged on the outer side of the second threaded rod, the driven bevel gear is located right below one of the gears, a mounting hole is formed in the side, close to the second threaded rod, of the adjusting box, a rotating rod which is horizontally arranged is rotationally mounted in the mounting hole, one end of the rotating rod extends into the interior of the adjusting box, a driving bevel gear isfixedly installed at one end of the rotating rod, the driven bevel gear is meshed with the driving bevel gear, a lifting plate which is horizontally arranged is further arranged in the adjusting box,and the lifting plate is located above the gears. According to the frame, the structure is ingenious, the maintenance and replacement of an illuminating lamp are more safe and convenient.

The invention discloses a hydraulic driving modular pump fracturing sled. The hydraulic driving modular pump fracturing sled comprises a power sled and a fracturing pump sled, a main engine and an auxiliary engine are arranged on the power sled, the auxiliary engine is connected with the hydraulic pump of a hydraulic system I in a transmission mode, one oil circuit of the hydraulic system I is connected with the driving motor of a heat sink I, and the other oil circuit of the hydraulic system I is connected with the starting motor of the main engine; a gearbox is arranged on the fracturing pump sled, the main engine is connected with the input end of the gearbox in a transmission mode through a transmission shaft, a plurality of corner boxes in series are connected to the output end of thegearbox in a transmission mode through a universal shaft and a clutch in sequence, the corner boxes are connected with a plurality of hydraulic pump sets in series in a transmission mode, the hydraulic pump sets are connected with modular pumps in a transmission mode, the multiple modular pumps are arranged in parallel on the lower middle portion of the fracturing pump sled, the multiple modularpumps are in connection by means of an integral connecting frame, and integral output blocks are connected to the discharge ends of the modular pumps. The problem is solved that in the prior art, themaintenance cost is high.

The invention discloses an oven for glass production. The oven comprises a ventilation opening; the lower end of the ventilation opening is provided with an upper fireplace; the outer wall of the upper fireplace is provided with a hearth ring; the lower end of the hearth ring is provided with an oven body; and the lower end of the oven body is provided with a lower base. The invention discloses the oven for glass production, the oven is provided with a charcoal feeding hole device and a baseplate ash taking device, the charcoal feeding hole device 6 facilitates adding charcoal, avoids a scalding danger in a charcoal addition process and improves the production efficiency and consistency to a great extent; the baseplate ash taking device 7 brings great practicability; charcoal wastes are difficult to clear in the fireplace to result in difficulty in raising the temperature of a flame, so that the production efficiency of firing glass is reduced; and an existing device can be safely taken from the downside of the oven body in real time, so that accumulation is reduced, the production efficiency is increased, the labor intensity of a worker is relieved, the cost of a product is reduced, the production safety is reliable and assured, the work efficiency is high, and the oven is also convenient to operate as well as safe and convenient to maintain.

The invention discloses an auxiliary carrying device for office supplies. The auxiliary carrying device comprises a variable-node handle device. A vehicle handle is arranged at the upper end of the variable-node handle device. A protective sleeve is arranged at the lower end of the variable-node handle device. A movable frame is arranged at the lower end of the protective sleeve. A carrying panelis arranged at the lower end of the movable frame. A transverse plate is arranged at the lower end of the carrying panel. The auxiliary carrying device for the office supplies is provided with the variable-node handle device and a walking wheel device. The variable-node handle device can be changed to facilitate carrying operation in a narrow space, and is telescopic and foldable. The auxiliary carrying device is simple in structure, low in cost, simple, convenient and safe. The walking wheel device can make carrying efficient, fast and convenient. Carrying can be conveniently implemented on jolting terrain and during go upstairs and downstairs. The situation that furniture slides off due to bumping in the moving process of the carrying device is prevented. The automation level is improved. The working efficiency is high. The operation is convenient.

The invention discloses an edge grinding device of building curtain wall glass. The edge grinding device comprises a machine frame, wherein a curved sample plate and a radiator are arranged at the front end of the machine frame, the curved sample plate is arranged at the front end of the radiator, and a switching gate is arranged at the front end of the curved sample plate. According to the edge grinding device of the building curtain wall glass, a protecting fixing device and a splash-proof device are arranged, so that the operation of workers is convenient and safe, the protecting fixing device can enable the glass to be firmly grasped and attached in the glass edge grinding process, the glass is prevented from cracking during edge grinding, supporting and fixing are achieved, and the loss is reduced when the glass is subjected to edge grinding; the splash-proof device also has great practicability, a spraying mechanism can spray the glass dust generated during edge grinding to formthe glass slurry, the situation that the dust flies to pollute the working environment is avoided, the harm of the glass dust to human health is reduced, and the practicability of edge grinding is greatly improved; and the edge grinding is safe and reliable, the working efficiency is high, and the operation is convenient.

The invention provides a bogie replacing device. The bogie replacing device comprises a first bearing part for bearing a bogie, two supporting columns arranged oppositely and a first cross beam erected on the two supporting columns, wherein a vehicle body supporting assembly for supporting a vehicle body is arranged on the first cross beam; and bogie lifting assemblies for lifting and dropping thefirst bearing part are arranged on the supporting columns. The bogie replacing device has the beneficial effects that the bogie replacing device has relatively good integrity and is extremely convenient to install and dismantle by arranging the vehicle body supporting assembly and the bogie lifting assemblies on the first cross beam and the supporting columns; in addition, as parts of the device,which need to be frequently overhauled and maintained, are mainly positioned above the ground, the bogie replacing device is safe and convenient to overhaul and maintain, the influence of undergroundhumid environments on the device can be avoided, and the reliability of the device is improved.

The invention relates to a bagged cement automatic bag-opening and discharging device for a nuclear power station. The bagged cement automatic bag-opening and discharging device for the nuclear power station comprises a sealing box, a conveying mechanism, a controller and a starting button. The bagged cement automatic bag-opening and discharging device for the nuclear power station is characterized by comprising a vertical lifting door, a cement bag recycling door and a cement exit. A cutting knife is fixed on the inner surface of the vertical lifting door, and the vertical lifting door is driven by a dynamic mechanism. An unpowered roller way and a belt conveying machine are respectively arranged inside and outside the vertical lifting door, and a guide rail is arranged on the upper portion of an outer shell. A motor can move on the guide rail through that a steel wire rope drags a bag-grabbing mechanism. A fine dust collecting machine is arranged on the top of the outer shell, signal input ends of the controller are respectively connected with signal output ends of a photoelectric sensor, a limiting switch and the starting button. Output ends of the controller are respectively connected with control ends of the belt conveying machine, the dynamic mechanism and the motor. The bagged cement automatic bag-opening and discharging device for the nuclear power station is simple in structure, low in cost, small in size, reliable in sealing, safe and convenient to use and maintain, and capable of meeting requirements for environmental protection of the nuclear power station.

The invention discloses a cable connection auxiliary apparatus. The cable connection auxiliary apparatus comprises a power-supply-end cable and a power-utilization-end cable which are electrically connected through a cable plug, wherein a cable bearing bracket is arranged at the power-utilization equipment end connected with the power-utilization-end cable; a clamping and fixing apparatus used for fixing the power-supply-end cable is arranged at the outer end of the cable bearing bracket; the cable bearing bracket is equipped with an anti-falling-off transitional auxiliary lifting hook; the power-supply-end cable is provided with an anti-falling-off transitional connection rope connected with the transitional auxiliary lifting hook; and the power-supply-end cable is also provided with a pulling force sensor used for monitoring the state of cable. The cable connection auxiliary apparatus is provided with the clamping and fixing apparatus used for fixing the power-supply-end cable, so that the problem existing in the safe connection of the connecting parts of the cable is solved; meanwhile, for realizing convenient connection and replacement and maintenance of the cable, a transitional connection apparatus consisting of the transitional connection rope and the transitional auxiliary lifting hook is arranged between the connecting parts, so that the connection and the maintenance of the cable becomes safer and more convenient; and in addition, the clamping and fixing apparatus can prevent the cable from being damaged, and fixation requirements of multiple kinds of different cables can be satisfied as well.

The invention discloses a mechanical interlocking operation device for a cable branch box, which relates to the technical field of manufacturing of high-voltage electrical equipment. The mechanical interlocking operation device comprises an outer box, a switch cabinet in which a load switch and a load switch operation mechanism are installed, a switch operation shaft arranged on the operation mechanism, a door lock arranged on the outer box, as well as an upper lock rod and a lower lock rod which are connected with the door lock, wherein the operation shaft is movably connected with a switch cabinet mechanical lock arranged in the switch cabinet, and the switch cabinet mechanical lock is movably connected with a mechanical lock key; the mechanical lock key is movably connected with a branch box mechanical lock installed on the outer box; the branch box mechanical lock is connected with the door lock; the upper lock rod and the lower lock rod are connected with a top rod respectively; the upper lock rod and the lower lock rod are further movably connected with a lock clamp arranged on a box body of the outer box. The mechanical interlocking operation device is capable of solving the problems of high production cost, and difficulty in installation and operation, of the cable branch box while meeting five-prevention requirements.

The invention discloses a cable pulling force buffering apparatus for engineering machinery. The cable pulling force buffering apparatus comprises a power-supply cable and a power-utilization cable which are connected through a plug, wherein the power-supply cable is provided with a clamping and fixing apparatus; the clamping and fixing apparatus is in tensioning connection with power-utilization equipment through an elastic connecting line; and the power-utilization cable is connected with power-utilization equipment in a tension-free manner. According to the cable pulling force buffering apparatus provided by the invention, the cable is fixedly connected through the clamping and fixing apparatus; the clamping and fixing apparatus is in tensioning connection with power-utilization equipment through the elastic connecting line to be fixed, so that the problem existing in the safe connection of the cable is solved; meanwhile, for realizing safer and more convenient connection and maintenance of the cable, a cable connecting supporting column is arranged on the power-utilization equipment, and a rotatable and foldable rigid connecting rod is further provided; meanwhile, a pulling force sensor which is arranged along the elastic connecting line can be used for monitoring the connection condition of the cable at any time; the clamping and fixing apparatus provided by the invention adopts a two-piece type clamping bracket with a rotary shaft open-close structure; replaceable elastic clamping and fixing claws are arranged, so that the cable is prevented from being damaged in the clamping and fixing operation; and the fixation requirements of multiple kinds of different cables can be satisfied as well.

The invention discloses a high-efficiency water saving device. The high-efficiency water saving device is technically characterized in that a middle water feeding pipe is provided with a minitype pipeline pump, and a bracket of a weepage pull rod in an elevated water tank is provided with a timing start switch which is corresponding to the minitype pipeline pump; a horizontal pipeline which is connected with a middle water storage tank and the middle water feeding pipe is provided with a liquid level switch, a middle control switch is additionally arranged and is connected in series with the minitype pipeline pump, the timing start switch and the liquid level switch; a middle water drainage pump is additionally arranged and is arranged on a line in parallel, the middle water drainage pump derives the water in the middle water storage tank in time; and the bottom of a water pool or a washbowl is provided with two drainage holes, turn-cover hourglass formed by combining two semicircles together is arranged above the two drainage holes and is used for realizing automotive shunting, the lower part of one drainage hole is connected with a wall row, and the other drainage hole is connected with an inner row. The high-efficiency water saving device provided by the invention has the advantages of low manufacturing cost, high efficiency, water conservation, wide application range, and capability of meeting commonage.

The invention discloses a sealing performance tester for detecting a glass cup. The sealing performance tester comprises a plug; a plug cover is arranged at the lower end of the plug; a vent pipe is arranged at the upper end of the plug cover; water flow sealing devices are arranged at the lower end of the plug cover; an outgoing pressure distributing disc is arranged at the lower ends of the water flow sealing devices; a middle guide pipe is arranged at the lower end of the outgoing pressure distributing disc; and an air flow sealing device is arranged at the lower end of the middle guide pipe. The sealing performance tester for detecting the glass cup of the invention is provided with the air flow sealing device and the water flow sealing devices. The air flow sealing device is simple instructure and easy and convenient to operate, and the problem that an existing sealing performance tester is affected by a sealing performance test result in a common working environment can be solved. The water flow sealing devices enable high efficiency and rapidness; sample mounting grooves are formed in the water flow sealing devices, so that the edges of samples to be tested can be observed.The sealing performance tester for detecting the glass cup has the advantages of direct and effective detection, convenience in observation, simple and convenient operation and convenience, and safety and reliability in crushing, and can assist in greatly improving production efficiency.