223results about How to "Labor-saving operation" patented technology

The utility model relates to two -wheeled electric vehicle technical field especially relates to a two -wheeled electric vehicle adjustable height's rear foot rest support. It includes C shaped mounting bracket, and the bottom plate of C shaped mounting bracket is provided with hexagonal wrench box, and the top of hexagonal wrench box is provided with the sliding cover, and the inside screw thread cylinder is provided in C shaped mounting bracket top plate, and the inside screw thread cylinder is provided with adjusting assembly, and the top of adjusting assembly is provided with foot rest subassembly, and the inner wall of C shaped mounting bracket is provided with the relaxation component. The utility model can realize the adjustment of foot rest subassembly height through the rotation of the runner, and the operation is simple and laborsaving, and the user can easily change the foot rest height according to the demand, provides the personalized comfortable experience for the user of different height or cycling habit, greatly improves the convenience of use.

The utility model discloses an extension ladder fixing frame of a fire fighting truck, and belongs to the field of fire fighting, the fixing frame comprises a fixing plate arranged on a fire fighting truck body and a fixing assembly used for fixing an extension ladder on the fixing plate; a turnover mechanism is arranged on the fire fighting truck body; the turnover mechanism comprises hinged plates which are symmetrically and fixedly connected to the side of the lower end of the fixed plate, fixed seats which are symmetrically arranged on the two sides of the hinged plates and are fixedly connected to the side of the upper end of the fire fighting truck body, synchronous rods which are fixedly inserted into the two hinged plates and are rotatably connected to the fixed seats, and a driving motor which is fixedly mounted on the fire fighting truck body; the output end of the driving motor is fixedly connected with a shaft rod of the synchronous rod. Through the design of the turnover mechanism, the fixing plate horizontally placed at the top of the fire fighting truck body can be turned over to the side face of the truck body and is in a vertical state, so that the height of the extension ladder is reduced from the roof position to the height which a firefighter can stand, the firefighter is prevented from climbing the roof, and the taking and placing efficiency of the extension ladder is remarkably improved.

The utility model relates to the field of building construction discloses a new pipe clamp for ALC partition wallboard fixing, including sleeve pipe, movable pipe, baffle, spring and fixed block, the top welding of sleeve pipe has the limit end plate, and the limit end plate is opened with the guide groove, movable pipe is established in the sleeve pipe, and the cross section of its near top one end is established as with the contour of guide groove matching structure, the top of movable pipe still is equipped with the connecting head connected with one end of fixed block, and the interval between the bottom surface of fixed block and the end surface of movable pipe is not less than the thickness of limit end plate, and the connecting head can pass through the guide groove and enter the sleeve pipe, the baffle is screwed in the bottom inner wall of sleeve pipe, the spring is established in the sleeve pipe, and one end of spring abuts against the baffle, and the other end abuts against movable pipe. The utility model does not need the construction personnel to press the fixed block tightly on the beam bottom or the floor, and the operation is labor saving, simultaneously, the fixed block can not take place deformation, can improve the fixed effect of pipe clamp.

The utility model discloses a kind of wood brush handle paint dipping assemblies, applied in wood paint dipping field, including box and conveying mechanism, the side of the box is fixed with fixed frame by support rod bolt connection, the inside of the fixed frame is provided with adjusting frame, the inside of the adjusting frame is bolted with cylinder, the piston end of the cylinder is installed with pusher, the side of the box is installed with connecting plate, the top of the connecting plate is bolted with baffle and blocking rod respectively, the top of the connecting plate is provided with through slot, the inside of the box is bolted with paint groove, the inside of the box is provided with drying mechanism, the bottom of the paint groove is bolted with circulating pump. It can be convenient to take and place wood brush handle, simple and easy to operate, saves the burden of personnel to wood brush handle manual plug, improves the stability when wood brush handle moves, can have circulating impurity removal function simultaneously, guarantees the purity of paint liquid in paint groove, improves the production efficiency of device, and practicality is high.

The utility model relates to an umbrella technical field provides an umbrella rod structure and umbrella, umbrella rod structure includes a plurality of umbrella tubes that suit connection in proper order, sets up the top on the most outside umbrella tube's upper nest, the lower nest of sliding setting on the most outside umbrella tube and the umbrella handle of setting on the most inside umbrella tube bottom, the inside setting of umbrella handle has the rope winder, and the rope winder is provided with the umbrella collecting pull cord between the lower nest, the push rod is provided with on the intermediate umbrella tube, at least one fixed pulley is provided with on the pipe plug of the most inside umbrella tube, and one end of push rod pull cord is coiled in the rope winder, and the other end is connected to push rod after passing through fixed pulley, the pipe plug of intermediate umbrella tube is provided with first middle pipe pulley, and one end of outer tube pull cord is connected the most inside umbrella tube, and the other end is connected to the most outside umbrella tube after passing through first middle pipe pulley, the first upper nest pulley is provided with on the upper nest, and one end of umbrella opening pull cord is connected the most inside umbrella tube, and the other end is connected to the lower nest after passing through first upper nest pulley. Can make the extension and contraction of umbrella tube with the umbrella surface synchronous, improves the convenience.

The utility model discloses a two -dimensional code protection device, it includes the fixed plate, the fixed plate one side is provided with the flip, the fixed plate with the hinge between the flip is hinged, the fixed plate inside is provided with two -dimensional code inlay groove, the fixed plate inside is provided with one number and places the groove, the fixed plate with the inside four corners symmetry of flip is provided with a plurality of limit hole, the limit hole inside all are fixedly connected with magnet, one number and places the groove inside fixed connection one rubber strip, the two -dimensional code inlay groove with limit hole between being provided with the protection groove, the protection groove inside fixed connection has no.

This utility model discloses a hole-opening device for a double-sided aluminum substrate, applied in the field of hole-opening device technology. It includes a base plate, a support plate fixedly connected to the bottom of a hydraulic cylinder, a hole-opening assembly at the bottom of the support plate, a placement plate slidably connected to the top of the base plate, a clamping assembly at the top of the placement plate, a connecting plate welded to the rear side of the support, a drive gear fixedly connected to the output end of a second motor, and two rotating rods rotatably connected to the front side of the vertical surface of the connecting plate via bearings. Each of the two rotating rods has a driven gear meshing with the drive gear on its surface, and a fan fixedly connected to the other end of each of the two rotating rods. This utility model, by incorporating a second motor, drive gear, rotating rods, driven gear, and fan, can reduce the temperature of the hole-opening head during the hole-opening process, thereby reducing deformation of the double-sided aluminum substrate or aging of the insulation layer, and extending the service life of the double-sided aluminum substrate.

This application relates to the field of power equipment technology, specifically to an intelligent high-protection low-voltage control box, including a box body, an outer door panel, and an inner door panel. The box body has a door frame, the inner door panel is hinged to the inner side of the door frame, and the outer door panel is hinged to the outer side of the door frame. The outer door panel is provided with a door lock assembly to lock the outer door panel to the door frame. The inner side of the outer door panel has at least one ring of foam strip corresponding to the door frame for sealing the outer door panel and the box body. The door lock assembly passes through the outer door panel, and a sealing structure is provided between the two. The box body contains an intelligent monitoring and protection module for protecting and controlling power equipment. The box body is provided with a connector assembly for connecting and disconnecting cables. This application solves the problems of low protection level and poor sealing performance of existing intelligent low-voltage control boxes.

This application belongs to the field of carbon fiber tube manufacturing technology, and discloses a carbon fiber tube centrifugal forming manufacturing system and process. The carbon fiber tube centrifugal forming manufacturing system includes a mold assembly and a centrifugal drive assembly. The mold assembly includes a module frame, individual frames, and mold components. The module frame is detachably connected to several individual frames, and the individual frames are detachably connected to several mold components. The mold components include a tubular mold with external hexagonal sleeves at both ends and detachably connected plugs at the ends. The centrifugal drive assembly includes a housing, a motor, and a platform. The housing and motor are mounted on the platform. A gear set inside the housing enables the motor to drive the external internal hexagonal sleeve to rotate. The internal hexagonal sleeve and the external hexagonal sleeve are inserted and engaged to drive the tubular mold to rotate and achieve centrifugal forming. This application solves the pain points of existing equipment and processes, such as poor versatility, cumbersome operation, low forming accuracy, and limited efficiency, through synergistic optimization of structure and process.

The utility model discloses an auxiliary pulling device and a support assembly, and the auxiliary pulling device comprises a base; a first lever pivotally connected to the base along a first axis; the second lever is pivotally connected to the base along a second axis and is linked with the first lever; and the unlocking mechanism is movably arranged on the first lever so as to stop or allow the pivoting of the first lever, the unlocking mechanism is provided with a mistaken touch prevention device, and the mistaken touch prevention device is arranged to keep the unlocking mechanism at a position where the pivoting of the first lever is stopped. The pulling assisting device is compact in structure and capable of preventing misoperation.

The utility model discloses a kind of air conditioner air port structures of convenient dismounting, it is related to the technical field of air conditioning system accessories, including hoisting clasp seat, elastic hook and air conditioner air port, hoisting clasp seat is provided with several, and hoisting keel that several roots of closed frame are spliced are set on reserved air vent, at least two hoisting keels are clamped with hoisting clasp seat, elastic hook is hung on hoisting clasp seat, the other end of elastic hook is hung on the frame of air conditioner air port, elastic hook can provide pull force along the reserved air vent towards ceiling, so that air conditioner air port is clamped in reserved air vent and port surface is attached to ceiling board.The utility model does not need professional personnel to use electric tool operation for dismounting and mounting of reserved air vent, and also does not need professional personnel to operate installation, cleaning, and air conditioner air port can be disassembled, installed, cleaned by owner oneself, it is quick, labor-saving, worry-free, money-saving to operate, installation operation is extremely simple, and installation quality and effect are good.

The utility model provides a tobacco fertilizing device relates to agricultural machinery technical field, including the lower end outside of elevating lever is provided with the sliding sleeve, elevating lever slidingly is arranged in the inside of sliding sleeve, the lower end fixed setting of sliding sleeve has the positioning board, the lower end position of elevating lever is provided with the positioning hole on the positioning board, the outside of elevating lever and be located the top fixed setting of sliding sleeve has the fixed sleeve, one side fixed setting of fixed sleeve has the treading board, the lower end of sliding sleeve and be located the outside of elevating lever is provided with the spring, the lower end fixed setting of spring is on the sliding sleeve, the bottom fixed setting of elevating lever has the sharp angle, the front side fixed setting of sliding sleeve has the fertilizer box, the bottom rotatory of fertilizer box is provided with the ration discharge wheel, is provided with the chute on ration discharge wheel. The utility model precision ration fertilization, promote the utilization rate of fertilizer, mechanization hole and fertilization integration, operation efficiency promotes, reduces the labor intensity, adapts to the complex working condition in field, and it is not easy to cause the damage to tobacco when walking and fertilizing.

This invention relates to the field of transportation device technology, and discloses a multi-state transportation device and its state transition method that features automatic deployment triggered by a lift. The transportation device includes a main structure, deformable units movable relative to the main structure, and a movable support assembly associated with the deformable units. By applying a lifting force to the main structure, relative motion is created between the main structure and the deformable units, triggering the deformable units to exhibit a self-deploying tendency relative to the main structure under gravity, and to move in the deployment direction under constraint guidance. The deformable units drive the movable support assembly from a receiving position to a ground support position to support the main structure off the ground, thereby transforming the transportation device from a receiving state to an extended state. This invention utilizes lift triggering, gravity drive, and structural constraint guidance to achieve automatic deployment. Users can trigger state switching with a single lifting action, offering advantages such as simple operation, smooth deployment, good structural compatibility, and coordinated deployment of the left and right deformable units.

The utility model relates to the technical field of medical instruments, in particular to an infusion support which comprises a first supporting rod, an installation block is fixed to the top end of the first supporting rod, a plurality of installation grooves are formed in the installation block in the circumferential direction, and first magnets are fixed to the bottoms of the installation grooves. An inserting block is arranged at the position, corresponding to the mounting groove, of the mounting block, one end of the inserting block is inserted into the mounting groove, and the other end of the inserting block is located outside the mounting groove; a second magnet is arranged at the end, located in the mounting groove, of the inserting block, a second supporting rod (6) is fixed to the other end of the inserting block, a hook is arranged at the top end of the second supporting rod, the bottom end of the second supporting rod is connected with the inserting block, and the first magnet and the second magnet attract each other. According to the infusion support provided by the utility model, when a patient needs to defecate, the second supporting rod and the mounting block can be separated and independently used, so that when the patient needs to defecate, an infusion bag or an infusion bottle does not need to be taken down and lifted, and the operation is relatively labor-saving.

This utility model discloses a housing assembly and a beverage making device. The housing assembly includes a main housing, a panel module, and end caps. The main housing has a mounting cavity and a first opening; the panel module is rotatably configured to have an open position and a closed position; the end caps include at least two cover plates; each cover plate includes a first cover plate near the panel module, the first cover plate being movable relative to the main housing to have a first position with a stop and a second position moved away from the first position. After moving to the first position, the first cover plate restricts the panel module from moving to the open position. Because the end caps in this application are configured with at least two cover plates, the required number of first cover plates can be moved to make way according to actual needs, forming multiple arrangement schemes for flexible selection. Furthermore, not all end caps need to be movable, making operation simpler and less labor-intensive.

The utility model discloses a kind of damping buffer devices of horizontal numerical control gear rolling machine, it is related to gear rolling machine processing technical field, including cabinet, cabinet top hinged cover plate, cover plate side wall is embedded with glass window, cabinet inside four corners are equipped with buffer component, buffer component top is fixedly connected with connecting block, connecting block bottom is equipped with the adjusting component for adjusting gear rolling machine height, connecting block top four corners are equipped with fixed bolt for with cabinet fixed, the utility model is equipped with knob, can conveniently drive two-way screw rod rotation, realize the adjustment of gear rolling machine height;By the setting of first adjusting part, the hinged angle of first connecting rod and first support plate can be changed, the height support and adjustment of one end of gear rolling machine are realized;By the setting of adjusting ring, the pre-tightening force of adjusting spring can be changed, so as to adjust the overall buffering degree of buffer component, convenient operation and accurate adjustment, solve the problem that adjusting spring buffering degree cannot be adjusted, difficult to adapt to different vibration conditions.

The utility model relates to the technical field of horizontal bars, in particular to a horizontal bar height-adjustable fixing base which comprises two base bodies, the two base bodies are placed at proper positions firstly, if the supporting range needs to be adjusted and a first supporting rod or a second supporting rod needs to be pushed, a rack connected with the supporting rods moves in a groove to drive a gear to rotate, and then the horizontal bar is fixed. When the height of the horizontal bar is adjusted, a handle on the outer side of a fixing rod is rotated to drive a worm to rotate, the worm is meshed with a worm gear, the worm gear is made to rotate, and then a threaded rod is driven to rotate. Along with rotation of the threaded rod, the telescopic rod slides up and down in the fixed rod, so that the height of the horizontal bar is changed, the requirements of different users are met, and in the whole process, all parts are matched with one another, and flexible adjustment of the height and the supporting range of the horizontal bar is achieved.

A rotary magnetic opening and closing nail clipper comprises an upper clipper mouth, a lower clipper mouth, an upper clipper handle and a lower clipper handle, the upper clipper mouth and the lower clipper mouth are hinged together in a crossed opening and closing mode, the upper clipper handle is connected with the lower clipper mouth, the lower clipper handle is connected with the upper clipper mouth, and opening and closing of the upper clipper mouth and the lower clipper mouth are controlled through opening and closing of the upper clipper handle and the lower clipper handle. An upper magnetic block and a lower magnetic block are respectively arranged in the upper clamp handle and the lower clamp handle, the upper clamp handle is rotatably connected with the lower clamp mouth, the upper clamp handle can be positioned at an attraction position and a repulsion position through rotation, when the upper clamp handle is positioned at the attraction position, the upper magnetic block and the lower magnetic block are attracted to cover the upper clamp handle and the lower clamp handle, and when the lower clamp handle is positioned at the repulsion position, the upper clamp handle and the lower clamp handle are separated from each other. And the upper magnetic block and the lower magnetic block repel each other to open the upper clamp handle and the lower clamp handle. According to the nail clipper, covering and opening of the nail clipper are controlled through the magnetic blocks, attraction and repulsion of the magnetic blocks are achieved by rotating the upper clipper handle, the nail clipper has the advantages of being simple in structure, novel in form, convenient and fast to operate and capable of saving labor, the magnetic blocks are not prone to damage, and the service life of the nail clipper can be prolonged.

This utility model discloses a manual precision metering syringe for dispensing radioactive drugs, comprising a syringe body and a lead sleeve. By employing a retaining ring and a positioning strip, the operator can insert a limiting rod into the corresponding positioning hole according to the required amount of radioactive drug to be dispensed. This limits the height that the guide strip on the pull rod surface can move, thus fixing the amount of drug that the piston can draw during movement. Furthermore, since the amount of liquid drawn varies, the insertion depth of the syringe will also differ. By sliding the retaining ring and locking it with a fastening screw, the retaining ring can be fixed at the mouth of the drug bottle, thus limiting the amount of drug inserted. This eliminates the need for prolonged gripping and control of the syringe, effectively improving overall usability and reducing operator workload. It offers advantages such as precise metering, effortless operation, and limited extraction.

This invention discloses a water treatment agent production apparatus, comprising a first mold body and a second mold body that can be opened relative to each other. A plurality of mold cavities are spaced apart within the first and second mold bodies. A feed inlet communicating with the mold cavities is located at the upper end of the first and second mold bodies. The apparatus is characterized in that each mold cavity includes a plurality of spaced-apart forming cavities, with a connecting channel between adjacent forming cavities. The uppermost forming cavity is connected to the feed inlet. A heat dissipation cutting mechanism is provided on the second mold body to cut off the connecting channel and dissipate heat from the material within the forming cavity. A cam linkage mechanism is also provided on the second mold body to drive the heat dissipation cutting mechanism to insert into or exit from the connecting channel. This invention is ingeniously conceived, with a simple and practical mechanism, enabling rapid molding and cooling of the material within the mold cavities. It facilitates easy demolding, fast material discharge, labor-saving operation, low production cost, and high efficiency.

An assembled waterproof discharge plug relates to the technical field of electric connectors and comprises a male end module, a female end module and a plugging assembly. The male end module and the female end module are separably matched in a plugging manner; the plug-in assembly comprises a plug-in frame and a rotating shaft, the plug-in frame is rotatably connected with the male end module through the rotating shaft, the plug-in frame is provided with a driving arm and a driven arm which are located on the two sides of the rotating shaft, and the length of the driving arm is larger than that of the driven arm; the driven arm is used for being in contact with the female end module when the plugging frame rotates in the first direction, so that the female end module and the male end module are far away from each other. Limited space can be reasonably utilized for plugging operation, the plugging difficulty is reduced, and the plugging efficiency is improved.

The utility model discloses a bicycle speed regulator and bicycle, bicycle speed regulator includes speed regulator shell, speed regulator worm, speed handle, speed handlebar cover, worm wheel, worm wheel bearing, first adjusting steel wire rope fluted pulley, second adjusting steel wire rope fluted pulley, rear -view mirror support and tap cover, the upper portion in speed regulator shell is transversely installed with speed regulator worm through worm bearing, and the lower portion in speed regulator shell is longitudinally installed with the worm wheel of meshing with speed regulator worm through worm wheel bearing, the left side of speed regulator shell is equipped with extension pipe, is equipped with tap cover on extension pipe, and tap cover is locked on extension pipe through rear -view mirror support. The utility model discloses through worm wheel worm drive and double fluted pulley linkage design realizes accurate speed control, and the whole has the characteristics of compact structure, labour saving, convenient adjustment, speed linear and high reliability, can realize the effect of speed regulation, constant speed, stepless speed regulation, realizes the sliding positioning of traction support before and after to the millimeter level, avoids the phenomenon of riding when jumping the file.

The filter device comprises a fixed barrel, a delivery pump and a filter cartridge, the input end of the delivery pump is fixedly installed at one end of a connecting pipe, the other end of the connecting pipe is fixedly installed in one side of the fixed barrel, and the output end of the delivery pump is fixedly installed at one end of a delivery pipe. And the other end of the conveying pipe is fixedly mounted in one side of the purifying tower. By arranging the filter cartridge, impurities in a liquid mixture can be effectively filtered before the liquid mixture enters the purifying tower, the rectification effect is prevented from being influenced, and the filter cartridge is provided with the notch, the rubber gasket, the fixed block, the limiting clamping groove, the connecting block, the sliding groove, the spring, the sliding block, the limiting clamping block, the shifting block, the handle and the like; the sealing cover can be installed and fixed through the connection of the sealing cover, the rubber gasket and the notch and the connection of the limiting clamping block and the limiting clamping groove, the sealing cover is convenient to disassemble and assemble through the arrangement of a handle, a shifting block and the like, and the operation is more labor-saving compared with the operation of screwing the sealing cover.

The invention relates to the technical field of sealed storage equipment, and discloses a manual vacuumizing sealed tank which comprises a tank body, a cover body and a connecting piece, the cover body is in sealed connection with the tank body through the connecting piece, the connecting piece is provided with a vacuum piece, a pressure relief piece, an indicating piece and a limiting piece, the vacuum piece is used for vacuumizing the interior of the tank body, and the pressure relief piece is used for relieving pressure in the tank body. The structure that the cover body driven by rotation is matched with the control ring and the vacuum piece is adopted, traditional pressing type vacuum pumping design is replaced, the piston block can be driven to reciprocate through gear transmission by rotating the cover body, the air pumping stroke is stable, operation is labor-saving, the vacuum pumping efficiency is greatly improved, hand fatigue caused by repeated pressing is avoided, and the vacuum pumping efficiency is improved. Meanwhile, the limiting piece and the one-way ratchet ring are matched to achieve one-way rotation of the cover body, and the multiple sealing design of the one-way piece, the piston silica gel ring and the sealing gasket is matched, so that gas backflow is effectively prevented, the stable and reliable vacuum state in the tank is ensured, oxidative deterioration of stored objects can be better inhibited, and the shelf life is prolonged.

The application relates to the field of automobile part processing and discloses a pressure detection device for an automobile safety belt ball pipe, which comprises a bottom plate and a support, two supports are fastened on the front and rear sides of the upper surface of the bottom plate through bolts, an intermittent feeding and discharging structure is arranged between the two supports and close to the right side, a detection structure is arranged between the two supports, a cross plate is arranged on the middle of the upper surface of the bottom plate, storage structures are arranged at the two ends of the cross plate, a moving structure and a stop structure are arranged on the lower surface of the bottom plate, intermittent feeding and discharging can be realized, the safety belt ball pipe can be detected in time through the detection structure during the feeding and discharging process, the next safety belt ball pipe can be fed to the detection position in time after detection for continuous detection, the operation is more labor-saving and convenient, and the detection work efficiency is higher; and the storage structures can be used for storing the safety belt ball pipes before and after detection.

This utility model relates to the field of maintenance device technology, specifically to a quick disassembly and maintenance device for a track ball valve core. It includes a main support, with first adsorption grooves at both ends, each with a magnet fixedly connected to its inner side. A side rod is hinged inside the first adsorption groove, and a first hexagonal portion is fixedly connected to the outer wall of the side rod. Different types of first hexagonal portions are connected to different side rods. A movable rod slides inside the main support, with a second hexagonal portion fixedly connected to its top end. The second hexagonal portion is of a different type than the first hexagonal portion. A conical extractor is fixedly connected to the bottom end of the movable rod. This utility model modularly integrates various tools, including the first hexagonal portion, the second hexagonal portion, and the conical extractor, into a single unit through the first adsorption groove, the second adsorption groove, and the hinged side rod, greatly enhancing the portability and ease of operation of the device and effectively preventing the loss of tool parts.

The utility model provides a steel structure bridge body exempts from welding lamp installation support, include: clamping base, lamp installation arm and locking assembly, lamp installation arm and locking assembly are installed respectively in both ends of clamping base, lamp installation arm is used to install the lamp, locking assembly is used for with clamping base detachable fixed on bridge body steel structure, the utility model provides a steel structure bridge body exempts from welding lamp installation support, exempts from welding, detachable installation of lamp through locking structure realizes, and installation is convenient and efficient, can adjust lamp installation position and irradiation angle flexibly, and have good antiskid, anticorrosive performance and cable protection measure, effectively adapt bridge working condition, ensure lamp installation solid and reliable, prolong the life, reduce maintenance cost, the convenience, flexibility and reliability of lamp installation have been improved comprehensively.

This utility model relates to the field of soil research technology and discloses an equidistant sampling device suitable for the study of soil pollutants in agricultural land. It includes a support plate with a scale fixedly connected to its top. Two I-shaped grooves are formed at the top of the support plate, and two I-shaped sliders are slidably connected to the inner walls of the two grooves. Two pedals are fixedly connected to the tops of the two sliders. The operator first determines the sampling interval according to the research requirements. Then, the operating parameters of the bidirectional motor, such as speed and direction of rotation, are set via the control panel. After starting the bidirectional motor, its output drives a bidirectional screw to rotate. Due to the bidirectional thread characteristic of the bidirectional screw, the two moving sleeves connected to the surface of the bidirectional screw will move in opposite directions at equidistant intervals along the screw. The operator can then observe the position of the pointer on the scale.