127results about How to "Change pressure" patented technology

The invention relates to the technical field of optical element polishing, in particular to a wheel type polishing machine tool and a control system thereof.The wheel type polishing machine tool comprises a mounting flange, a support, a grinding wheel, a polishing belt and a driving component and further comprises an adjusting assembly; the adjusting assembly comprises a shell, an abutting plate, a lifting frame, a spring, a rotating shaft, an eccentric wheel and a rotating component, during use, when the grinding pressure needs to be adjusted, the rotating component drives the rotating shaft to rotate, the rotating shaft drives the eccentric wheel to rotate, and the rotating center of the eccentric wheel does not coincide with the geometric center when the eccentric wheel rotates, so that the eccentric wheel drives the abutting plate to descend; the lifting frame, the grinding wheel and the polishing belt are driven to descend, so that the polishing pressure is changed; when the polishing pressure needs to be reduced, the rotating part drives the rotating shaft to rotate reversely, at the moment, the abutting plate ascends under the action of the spring and abuts against the eccentric wheel, then the lifting frame and the grinding wheel are driven to ascend, and therefore the polishing pressure on the optical element is reduced.

The utility model discloses a head decompression bolster used after a craniocerebral operation, and relates to the field of decompression bolsters. The craniocerebral operation pillow comprises a pillow body, the pillow body is composed of a pillow inner, an adjusting inner frame and an air bag, the pillow inner wraps the outer surface of the adjusting inner frame and the outer surface of the air bag, the adjusting inner frame comprises an adjusting seat, and a sliding groove is formed in the inner side of the adjusting seat. Medical staff can adjust the adjusting inner frame according to the specific condition of an operation and the wound of a patient, so that the position of the pressure reduction area is changed, when the wound of the craniocerebral operation is close to the neck, the two supporting rods can be separated to be suitable for the first pressure reduction area, and when the wound of the craniocerebral operation is close to the head top, the two supporting rods can be separated to be suitable for the second pressure reduction area. The supporting rod at the rear end can be adjusted to the front end to be suitable for the second pressure reduction area, and due to the fact that the supporting rod can support the non-traumatic wound position of the head, the pressure of the traumatic wound is very small, and discomfort of a patient cannot be caused.

The invention provides a compressor rotor rear unloading cavity pressure self-adaptive control structure and an adjusting method, and the compressor rotor rear unloading cavity pressure self-adaptive control structure comprises a high-pressure compressor stator, a labyrinth sealing honeycomb, a high-pressure compressor rotor and a main combustion chamber, the self-adaptive control structure for the pressure of the rear unloading cavity of the gas compressor rotor further comprises a deflation device which is connected with the unloading cavity of the main combustion chamber. The self-adaptive deflation device is additionally arranged at the outlet section of the unloading cavity, the deflation area is automatically adjusted by sensing the gas pressure of the unloading cavity, the pressure and the deflation amount of the unloading cavity are changed, and then axial force self-adaptive adjustment under different engine states is achieved.

The utility model discloses a paper scratch tester which comprises a working table and a testing tool, a testing table and a supporting frame are arranged on the upper portion of the working table, a first driver is arranged in the working table and can drive the testing table to rotate, the supporting frame comprises a horizontal plate, the horizontal plate is located above the testing table, and the testing tool penetrates through the horizontal plate. The testing tool comprises a scratching head which can abut against the upper portion of the testing table. Paper to be tested is fixed on the test board, the position of the scratch head is kept unchanged, the test board can be driven to rotate through the first driver, and rotary scratch testing is achieved.

The invention discloses a coating machine with a coating roller convenient to replace, and relates to the technical field of coating machines, the coating machine with the coating roller convenient to replace comprises a mounting frame, and the mounting frame is provided with a lifting coating device, a rubber compression roller lifting mechanism and a scraper device; when the coating roller fixing device is used, firstly, a coating roller used this time is installed on the side frame through the coating roller mandrel and the coating roller bearing seat, and then the positioning seat is driven to slide towards the coating roller bearing seat through threaded rotation of the hand wheel and the positioning plate, so that the coating roller bearing seat is fixed; a fixing nut is further fixed between the positioning plate and the side frame to play a dual fixing role; when the coating roller needs to be replaced, firstly, the hand wheel is rotated, the hand wheel is in threaded connection with the positioning seat and the positioning plate, the hand wheel is separated from the positioning seat, then the fixing nut is detached, the positioning plate and the side frame are detachable, and after the positioning plate is detached and the positioning seat is taken out, the coating roller can be replaced, so that the downtime during replacement of the coating roller is shortened; different products can be conveniently and quickly switched, and the production efficiency is improved.

The utility model discloses a tension-controllable cloth raising machine, and belongs to the technical field of textile equipment. By arranging the top fuzzing rollers and the side fuzzing rollers, the contact number of the cloth and the fuzzing rollers is changed, the fuzzing frequency of the cloth can be changed, and therefore the cloth with different fuzzing lengths can be produced conveniently; by arranging the adjustable compression roller capable of swinging, the pressure of the cloth on the top fuzzing roller and the side fuzzing rollers is changed by utilizing the swinging of the adjustable compression roller, and the cloth can be in more compact contact with the fuzzing rollers through the large pressure, so that the fuzzing rollers in the fuzzing rollers can be deeper into the cloth, and the fuzzing efficiency and quality are improved.

The utility model discloses a smoke exhaust ventilator and an oil smoke exhaust system, which belong to the technical field of smoke exhaust ventilators, and comprise a main machine provided with an air inlet, the main machine is used for absorbing oil smoke through the air inlet, the air inlet is provided with two groups of movable door plates which are opened and closed oppositely, and the two groups of movable door plates are used for changing the opening area of the air inlet through opening and closing. According to the range hood disclosed by the utility model, the area of the air inlet is set to be adjustable, so that the pressure of the air inlet is changed, the suction effect of the range hood is further improved, the application range of the range hood is effectively expanded, and the range hood has relatively high applicability.

The utility model provides a magnetic liquid seasoning bottle, and particularly relates to the technical field of kitchen containers. The magnetic attraction type liquid seasoning bottle comprises a bottle body, an inner cover and an outer cover buckled on the top of the inner cover. A flow control air hole is formed in the center of the top of the inner cover; a liquid outlet nozzle is arranged on the side wall of the inner cover; a magnetic rubber mat is arranged on the outer side wall of one side of the bottle body; and the bottle body is detachably connected with the inner cover. The flow control air hole is formed in the top of the inner cap, the pressure in the bottle is changed by pressing the flow control air hole, and then the flow speed of liquid is changed; the area, corresponding to the through hole, of the top of the inner cover is sunken inwards and better fits the radian of fingers, and the blocking effect of the flow control air hole is better; in addition, through the magnetic rubber mat arranged on the outer side wall of the bottle body, the bottle can be attracted to a wall containing magnetic materials, the magnetic attraction function is strong, and storage is more convenient.

The unloading conversion plate type retaining wall comprises a foundation, a wall panel is vertically arranged at the top of the foundation, and an unloading conversion plate is arranged on the rear side of the wall panel; and the unloading conversion plate is obliquely arranged downwards and is arranged in the soil body of the fill slope. Compared with the prior art, the device has the advantages that the unloading conversion plate structure is used for converting the soil pressure direction, so that a soil body on the unloading conversion plate tends to move inwards, and reverse downward sliding force acts on the plate. The original on-board soil body unfavorable for retaining wall stability is changed into one part of the retaining wall, and the on-board soil body and the retaining wall jointly resist natural stable soil body of soil pressure. The supporting and retaining structure is clear in soil pressure stress mechanism, simple in theoretical calculation, simple in supporting and retaining structure construction, convenient in material taking, convenient to transport and install, low in manufacturing cost, suitable for small working faces, short in construction period, and suitable for working conditions such as poor soil texture conditions; the lateral displacement of the foundation pit and the side slope is reduced, the stability is improved, and the method is subversive innovation for traditional foundation pit and side slope design and calculation theories.

This utility model discloses a pressure-controllable cupping device, relating to the field of cupping technology. The device includes a cupping jar, with a safety tube fixedly connected to one side. A positioning ring is fixedly connected to one end of the safety tube, and a fixing bracket is fixedly connected to the inner circumference of the safety tube. A threaded rod is movably connected to one side of the fixing bracket, and a sealing gasket that cooperates with the positioning ring is fixedly connected to the circumference of the threaded rod. A sliding plate is slidably connected to the inner circumference of the safety tube, and the threaded rod threadedly passes through the sliding plate. In this utility model, when the pressure inside the cupping jar is too high, air can enter the jar through the safety tube, maintaining stable pressure and improving safety. Simultaneously, rotating the threaded rod changes the pressure of the second spring, thereby adjusting the pressure inside the jar. This makes it convenient to use. Furthermore, moving the threaded rod moves the sealing gasket, allowing air to quickly enter the jar, facilitating quick and safe removal of the jar.

The invention relates to the technical field of double-end terminal machines, in particular to a full-automatic multifunctional double-end terminal machine. According to the technical scheme, the guide feeding device comprises a fixing shaft, a combining plate, a torque spring, a sliding block and a guide plate set, the bottom end of the fixing shaft is fixedly installed at the top of a workbench, the rod body of the fixing shaft is rotationally connected with the combining plate, and the torque spring is elastically connected between the end of the combining plate and the fixing shaft; and a sliding block is fixedly mounted at the top of the torque spring and close to the end part. The two torque springs avoid the wire harness, so that the torque springs are opened, the torque springs separate the two conveying wheel supporting plates through the sliding blocks and the supporting blocks, the sliding blocks and the supporting blocks are matched to prevent the torque springs from moving and being clamped, and therefore the opening size of the two conveying wheel supporting plates is adjusted through the diameter of the wire harness; and the pressure applied to the wire harnesses by the main conveying wheel and the branch arc blocks is changed, so that different conveying forces are applied to the wire harnesses with different diameters.

The utility model relates to the technical field of leakage-proof devices, in particular to a leakage-proof device for a metering pump, which comprises a main body mechanism, a sealing mechanism, a functional mechanism and a control mechanism, the sealing mechanism is positioned on one side of the main body mechanism, the functional mechanism is positioned inside the main body mechanism, and the control mechanism is positioned inside the main body mechanism. According to the utility model, the connecting head fixedly arranged on one side of the metering liquid outlet pipeline and the metering liquid inlet pipeline is connected with the pipeline for use, the connecting through hole is formed in the connecting head and is fixed through the screw, and the inner walls of the metering liquid outlet pipeline and the metering liquid inlet pipeline are respectively provided with a circle of limiting material guide block; a limiting material guide block is also arranged in a pipeline used for placing a connecting hose for connection, so that the connecting hose and the pipeline are tightly connected, the diaphragm drives the movable rod to reciprocate in the metering pump main body through the movable disc, and the internal volume of the metering pump main body is periodically changed, so that the internal pressure of the metering pump main body is changed, and liquid flows.

The invention discloses a waste gas and waste water treatment device and method for a household garbage incineration power plant, and relates to the technical field of waste gas treatment, the waste gas and waste water treatment device comprises a barrel and further comprises a gas inlet pipe fixedly installed on the side edge of the barrel and communicated with the interior of the barrel, and the top of the barrel is fixedly communicated with a gas outlet pipe. The filter cloth backwashing device has the advantages that mobile air injection backwashing is adopted, the air injection pressure is adjusted in the backwashing process, so that the backwashing cleaning efficiency of the filter cloth is improved, meanwhile, the filter cloth can be vibrated and knocked in the backwashing process, the falling of ash on the filter cloth is accelerated, and the backwashing efficiency is improved. In addition, ash generated by backwashing is adsorbed by electrostatic adsorption, so that ash flying is reduced, and the filter treatment efficiency of waste gas is improved.

The invention provides a sodium chlorate (potassium chlorate) electrolyzer, which comprises a reactor, an electrolytic cell group and a lifting steel frame, a pressure discharge assembly is arranged between the input end of the reactor and the output end of the electrolytic cell group, is connected with an emptying pipe of the reactor and is mounted on the lifting steel frame, and the maximum pipe diameter of an input pipeline of the electrolytic cell group is larger than the sum of the pipe diameters of upper headers. The pressure difference between the upper collecting pipe and the lower collecting pipe is reduced by changing the height of the whole pipeline, the flow speed is increased, the phenomenon of no empty groove is achieved, hydrogen and electrolyte mixed liquid can be rapidly fed into the reactor, hydrogen is emptied through the top of the reactor, and therefore equipment can operate safely, and safety is greatly improved.

The present invention discloses a Ferris wheel drive pre-tightening rapid control device and method thereof, which relates to the first field of Ferris wheel drive control, and comprises a mounting frame, the top of the mounting frame is provided with a sleeve rod, the outer side of the sleeve rod is sleeved with a wheel frame, one end of the wheel frame is provided with a track, one side of the wheel frame is provided with an upper box body above the track, and one side of the wheel frame is provided with a lower box body below the track. The present invention provides a pull plate, a round tube, and a sleeve, and when multiple groups of wheel discs of the Ferris wheel need to be urgently pre-tightened, the pull plate is pulled by the round tube, and the bottom end of the pull plate rotates around the second pin shaft, so that the pull plate drives the first pin shaft to rotate around the second pin shaft, and the second pin shaft drives the outer fixed mounting sleeve plate to move, thereby driving the balance cylinder below the mounting sleeve plate to move up and down, thereby changing the pressure inside the balance cylinder, thereby changing the tension in the balance spring, and thereby changing the pressure between the wheel disc and the track.

The utility model discloses a generator set safety protection device which comprises a generator set, an oil tank is arranged on the generator set, a connecting pipe is arranged below the oil tank, one end of the connecting pipe is connected with a pressure relief device, the pressure relief device comprises a pressure relief pipe, a connecting rod, a fixing frame, a sealing plate, a fixing plate and a tension spring, and the connecting rod is arranged in the pressure relief pipe. The sealing plate is arranged on one side of the connecting rod, the fixing frame is installed in the pressure relief pipe, the tension spring is arranged on one side of the fixing plate, an adjusting mechanism is arranged on the inner side of the pressure relief pipe and comprises a control sleeve, a threaded sleeve, a matching rod, a matching groove, a threaded plate, an adaptive block, an adaptive sleeve, an adaptive groove, an ejector rod and a connecting frame, and the control sleeve is arranged on one side of the pressure relief pipe. The threaded sleeve and the threaded plate are connected with the inner wall of the pressure relief pipe through threads, the matching rod is connected between the sealing plate and the connecting rod, the adaptive block is connected to one end of the connecting rod, the adaptive sleeve is connected to one end of the ejector rod, the adaptive groove is formed in the threaded plate, and the ejector rod is connected with the control sleeve through the connecting frame.

The utility model discloses an ice cream machine with controllable production capacity, and relates to the technical field of ice cream machines, the ice cream machine comprises an ice cream machine main body and a hopper assembly located in the ice cream machine main body, the hopper assembly is internally provided with a discharging mechanism, the discharging mechanism comprises a rotating shaft, and the rotating shaft is rotatably arranged in the hopper assembly; the driving assembly is arranged at the top of the hopper assembly, and the driving assembly is used for driving the rotating shaft to rotate; the discharging screw rod is fixedly connected to the end face of the rotating shaft; and the scraping plate is arranged on one side of the inner wall face of the hopper assembly, an extrusion elastic assembly is arranged between the scraping plate and the rotating shaft, and an adjusting assembly is arranged at the top of the extrusion elastic assembly and used for adjusting the extrusion elastic assembly. Through the arrangement of the discharging mechanism, the discharging amount can be controlled conveniently through the cooperation of the driving assembly and the discharging screw rod, and meanwhile the interior of the hopper assembly is cleaned through the cooperation of the adjusting assembly, the extrusion elastic assembly and the scraper blade.

The utility model discloses an intensive care patient respiratory training auxiliary device which comprises a breathing mask, a connecting pipe is installed in the middle of the breathing mask in an embedded mode, a three-way pipe is installed outside the connecting pipe in a sealed and inserted mode, and an oxygen concentration probe is installed inside the three-way pipe in a sealed and inserted mode. And the input end of the oxygen concentration probe extends into the breathing mask from the inside of the connecting pipe. Due to the fact that an output connector at the tail end of the oxygen concentration probe is connected with the controller, the controller can display the oxygen concentration in the breathing mask in real time, when the oxygen concentration in the breathing mask is low, oxygen can be fed into the breathing mask for a long time by adjusting the closing time of a one-way air valve of the air pump, and oxygen can be continuously supplied. The internal pressure of the breathing mask is changed, oxygen is forced to enter the lungs, inhalation work is completed, the oxygen inside the breathing mask is pumped out through the sucking pump to simulate exhaust work, and breathing training work for the critical medical patient is achieved.

The utility model relates to the technical field of distillation, and discloses a distillation condensation structure which comprises a mounting seat and a safety condensation assembly, a distillation kettle is arranged at the upper end of the mounting seat, the safety condensation assembly is arranged on the upper side of the distillation kettle, the safety condensation assembly comprises a conveying pipe, the upper end of the conveying pipe is fixedly communicated with the conveying pipe, and the lower end of the conveying pipe is fixedly communicated with the safety condensation assembly. An adjusting valve is fixedly mounted in the middle of the outer end of the conveying pipe, a bearing plate is fixedly mounted at the outer end of the distillation kettle, and a condenser is fixedly mounted at the right end of the upper end of the bearing plate. According to the distillation and condensation structure, the safety condensation assembly is installed, the distillation still is used for distilling liquid, in the distillation process, the pressure detector is used for detecting the pressure in the distillation still, a worker can conveniently change the pressure in the distillation still, and the situation that due to accumulation of heat in the distillation still, the air pressure in the distillation still is too large, and the safety of the distillation still is improved is avoided. Therefore, the safe operation of the distillation and condensation work can be ensured.

The utility model discloses a Mariotte bottle capable of adjusting water supply pressure by lifting a breather pipe, which aims at overcoming the defects that the traditional Mariotte bottle is only provided with one water outlet, and the water level in the breather pipe is inconvenient to adjust when water is added into the bottle, and is additionally provided with a water outlet, and the water outlet can be kept connected with a water supply pipe when water needs to be added. And the water level in the breather pipe is adjusted through the water outlet, so that the operation steps during water adding are avoided from being tedious. In addition, external threads are machined on the outer surface of the breather pipe in the Markov bottle, a sleeve with a threaded hole is arranged on the vent hole, and the threads in the sleeve are matched with the external threads on the breather pipe, so that the position of the breather pipe in the Markov bottle can be adjusted by rotating the breather pipe. The pressure of the Mariotte bottle during water supply is adjustable, and the use flexibility of the Mariotte bottle is improved.

The utility model discloses a novel multifunctional sucking massage device which comprises a shell, a direct current motor, a pump body device and a massage device, the shell comprises a pump shell, an air channel is arranged in the pump shell, the pump body device is arranged in the pump shell, the pump body device comprises the direct current motor, the direct current motor comprises a transmission shaft, and the transmission shaft is connected with the massage device. The transmission shaft at least comprises an impeller push rod, the impeller push rod comprises an impeller device, the impeller push rod and the impeller device are arranged on the air channel, and the impeller push rod is connected with the air channel through the impeller device. The massage device comprises a massage head, a sucking air nozzle is arranged on the massage head, the massage head is arranged at the top end of the transmission shaft, the direct current motor penetrates through the pump body device through the transmission shaft to be connected with the massage head, and the sucking air nozzle is arranged at the upper end of the shell. The novel multifunctional sucking massage device is reasonable in structure, low in cost, high in safety, convenient to use and diversified in function.

The utility model relates to a rotary knob type orthosis for scoliosis. The rotary knob type orthosis comprises an orthosis body, a rotary knob buckle and a pull rope mechanism, wherein the orthosis body is used for applying orthopedic force to the spine section of a human body. The knob buckle is located on one side of the orthosis body and comprises a knob, a transmission ratchet wheel, a limiting ratchet wheel, a rope winding ratchet wheel shaft and a fixing shaft. The first end of the fixing shaft is connected with the orthosis body, and the second end of the fixing shaft is connected with the transmission ratchet wheel. The rope winding ratchet wheel shaft is sleeved on the fixed shaft, and a limiting ratchet wheel is sleeved on the outer side of the rope winding ratchet wheel shaft; the transmission ratchet wheel is connected with the rope winding ratchet wheel shaft, and the limiting ratchet wheel is also arranged on the outer side of the transmission ratchet wheel in a sleeving mode; and the upper side exterior of the limiting ratchet wheel is movably connected with the inner side of the knob. The two sides of the orthosis body are connected through the rope pulling mechanism, the rope pulling mechanism comprises a pulling rope, and the pulling rope is wound around the outer surface of the rope winding ratchet shaft. Compared with the prior art, the one-way rotation characteristic of the ratchet wheel is utilized, and the stability of the orthosis is maintained.

The invention relates to a coke oven chute opening regulating structure, comprising an regulating brick and an regulating brick groove; the regulating brick groove is arranged on one side or both sides of the chute opening, and an upwardly protruding fulcrum beam is arranged between the regulating brick groove and the chute opening; when the chute opening is adjusted, the operation is performed by an adjusting tool extending from a fire hole above a corresponding vertical fire channel, and according to needs, the adjusting tool is used to press one end of the regulating brick corresponding to the chute opening or one end of the corresponding regulating brick groove, and the regulating brick will rotate around the fulcrum beam, and when the corresponding end of the regulating brick falls into the regulating brick groove, the other end is lifted, and the chute opening is in an open state; when the corresponding end of the regulating brick falls above the chute opening, the chute opening can be covered; the cross-sectional area of ​​the gas passage of the chute opening is changed by adjusting the different states of the brick, thereby achieving the purpose of regulating the gas flow and pressure inside the coke oven.

The invention relates to the technical field of aerospace, in particular to a supporting table and a supporting method for a control moment gyroscope. The supporting table comprises a position moving device, a positioning locking device, a damping adjusting device and a mounting disc for mounting the control moment gyroscope; the position moving device comprises a supporting flexible beam, one end of the supporting flexible beam is connected with the installation disc, when the positioning locking device is in a locking state, the positioning locking device locks and fixes the part, making contact with the positioning locking device, of the supporting flexible beam, and when the positioning locking device is in a sliding state, the positioning locking device can slide on the flexible beam. The supporting rigidity of the mounting disc can be changed by changing a positioning and locking device in a locking state on the supporting flexible beam; the damping adjusting device comprises a compression spring and a damping fin, the damping fin is connected with the mounting disc, the compression spring is connected with the damping fin, and the damping of the mounting disc is adjusted by adjusting the elastic force of the compression spring. The invention provides a supporting table and a supporting method for a control moment gyroscope. The supporting rigidity and damping can be adjusted.

The utility model discloses an environment-friendly gas insulation equipment component insulation test tool which comprises a tank body assembly, a component fixing end cover, an inner cone insulator, a conductive assembly, a grounding line and a test cable, an inflation inner cavity is arranged in the tank body assembly, and the tank body assembly is provided with a valve port used for being filled with environment-friendly insulation gas. The element fixing end cover is used for mounting a to-be-tested element, and the element fixing end cover is fixed at the front part of the tank body assembly and enables the to-be-tested element to pass through the front part of the tank body assembly; the inner cone insulator is fixed in the tank assembly and located at the rear part of the tank assembly, one end of the conductive assembly is connected to the inner cone insulator, the other end of the conductive assembly faces an element to be tested, the grounding line is connected with the grounding line, and the test cable is connected with the inner cone insulator; after environment-friendly insulating gas is injected into the valve port, voltage is increased along one end of the test cable so as to test the insulating performance. The insulating performance of the component can be tested in an environment filled with environment-friendly insulating gas, and performance data of the component close to an actual working condition can be obtained.

The present invention relates to the technical field of double-head terminal machines, and in particular to a fully automatic multifunctional double-head terminal machine. Its technical solution includes: a guide feeding device, including a fixed shaft, a merging plate, a torque spring, a slider and a guide plate group, the bottom end of the fixed shaft is fixedly installed on the top of the workbench, the rod body of the fixed shaft is rotatably connected to the merging plate, the end of the merging plate is elastically connected to the fixed shaft with a torque spring, and the top of the torque spring and the slider are fixedly installed near the end position. The present invention avoids the wiring harness through two torque springs so that the torque spring is opened, and the torque spring uses a slider and a support block to separate the two conveying wheel support plates. The slider and the support block cooperate to prevent the torque spring from moving and getting stuck, so that the diameter of the wiring harness is used to adjust the opening size of the two conveying wheel support plates, and the pressure applied to the wiring harness by the main feeding wheel and the branch arc block is changed to apply different conveying forces to wiring harnesses of different diameters.

The utility model relates to cable processing technical field, and disclose a kind of electric wire stripping machine, including cabinet, and the lateral wall of cabinet is respectively fixed with inlet and collection box, and the inside of cabinet is fixedly provided with controller, and the inside of cabinet is respectively provided with top mechanism one and clamping mechanism, and top mechanism one is provided with top mechanism two, and electric push rod is fixedly installed on top mechanism two, and stripping assembly is also provided on top mechanism two, and the output end of electric push rod is fixedly connected with stripping assembly, and stripping assembly is provided with center ejector pin, the utility model realizes the automation clamping and loosening of cable, and high-precision cutting is also realized, not only stripping efficiency is high, and precision is higher.

The utility model provides a tension auxiliary device of a yarn covering machine, which comprises a base, an adjusting assembly is fixedly connected to the top end of the base, a plurality of guide frames are fixedly connected to the top end of the base and located on the right side of the adjusting assembly, and a detection assembly is fixedly connected to the top end of the base and located between the two guide frames. And a limiting assembly is arranged in the guide frame. The wrapping yarn detection device has the advantages that the wrapping yarn can be limited according to the radius of the wrapping yarn by changing the distance between the two limiting rings in the limiting assembly, and when the tension of the wrapping yarn changes, the wrapping yarn can apply pressure to an extrusion wheel in the detection assembly; the size of pressure between the abutting rod and the pressure sensor can be changed according to the change of tension in cooperation with an extrusion frame, a sliding rail and a reset spring, and when the pressure sensor detects that the size of the pressure is higher than or lower than a preset value, a signal can be transmitted to the controller; the controller can automatically adjust the tension of the covering yarn through an electric push rod and an adjusting frame in the adjusting assembly.

The utility model discloses a vertical interval contraction sine function wave type fuel cell flow field structure which comprises a polar plate, a flow channel ridge and a gas flow channel, a plurality of flow channel ridges are arranged, the plurality of flow channel ridges are uniformly distributed on the polar plate, and the flow channel ridges are provided with contracted circulation arcs in the direction perpendicular to the length direction of the flow channel ridges; the gas flow channels are formed between every two adjacent flow channel ridges, and the circulation arcs are used for communicating every two adjacent gas flow channels. According to the utility model, the circulating arcs are arranged among the gas flow channels, so that the flow velocity and pressure of fluid at each position point in the fluid channel can be changed, rough surfaces can be formed in the flow channels to generate turbulent flow to promote the mixing of consumption layer gas and accumulation layer gas, a reaction medium can be transferred more effectively, and generated water can be discharged more effectively; the method has the advantages of improving pile performance, improving reaction efficiency, prolonging pile life and the like.

The invention provides luggage traveling wheel abrasion test equipment for simulating a complex environment, and relates to the field of traveling wheel abrasion tests, and the luggage traveling wheel abrasion test equipment comprises an equipment frame, a traveling wheel clamping structure and a pressing plate, the walking wheel clamping structure comprises a first clamping cylinder, a first clamping plate, an inserting column, a second clamping plate, a second clamping cylinder, a limiting baffle, a lower connecting plate, an upper connecting plate and a connecting rod. A reciprocating lead screw and a guide sliding rod are installed at the front end and the rear end of the upper portion of the inner side of the equipment frame correspondingly. The pressing plate is attached to the upper connecting plate, four sets of connecting guide rods are fixedly connected to the pressing plate, and the four sets of connecting guide rods slide upwards to penetrate out of the equipment frame. The pressure of the walking wheel in the walking abrasion test process can be changed, abrasion tests of the walking wheel under different pressures can be simulated, the walking wheel is driven to walk on the test plate while rotating, and abrasion tests on different types of test plates are tested. The problem that the abrasion test of the walking wheel under different pressures and different environments needs to be simulated is solved.