656 results about "Telescopic cylinder" patented technology

The application discloses a kind of double-face rubberizing equipment of battery tab, including backplate, adhesive tape supply line, outlet guide roller, linear slide rail, take tape gas claw, telescopic cylinder, stop gas claw, double-knife gas claw, the backplate is provided with two-way adhesive tape supply line, the adhesive tape supply line converges to a pair of outlet guide roller, the backplate is reversely installed with a pair of linear slide rail with outlet guide roller as origin, the linear slide rail outer end is provided with the take tape gas claw opposite outlet guide roller, the take tape gas claw is pulled by telescopic cylinder being arranged in the inner end of linear slide rail, the outlet guide roller surface is matched with stop gas claw.By the above mode, the application provides a kind of double-face rubberizing equipment of battery tab, since integrating double tiger mouth on take tape gas claw and stop gas claw, therefore can build double-way adhesive tape channel, and the relative position of double-knife gas claw and adhesive tape channel is controlled using perpendicularity correction slider, to accurately and efficiently realize double-face rubberizing process.

The utility model relates to nylon silk cutting technical field, concretely relates to a nylon silk cutting mechanism. The utility model discloses: mesa, set up in the mesa top, the limiting assembly that carries out the location to nylon, the cutting assembly that carries out the cutting to nylon, and install the second telescopic cylinder in the mesa top, with the piston rod transmission connection of second telescopic cylinder's connecting block, with Second sliding block fixed connection of connecting block, with the guide rail sliding connection of second sliding block, the guide rail fixed mounting in the top of mesa, install the abutting block on second sliding block, the cutting assembly is located the extension stroke of abutting block, the utility model discloses sets up the second telescopic cylinder in the blanking side, and through the second telescopic cylinder drive abutting block sliding, thereby being convenient for to the location of nylon wire harness, and reverse sliding after cutting is completed, avoids the interference nylon wire harness blanking.

This application relates to the field of mixing equipment technology and discloses a filler mixing device for treating cracks in the water-stabilized base course of high-fill and deep-cut road sections. The device includes a tank with an opening at the bottom and a telescopic cylinder fixedly connected to the lower surface of the tank. A base plate is fixedly connected to the bottom of the telescopic cylinder. A conveying channel is fixedly and continuously connected to the bottom of the tank, and a discharge pipe is fixedly and continuously connected to the base plate. A telescopic component is provided between the tank and the base plate. A mixing mechanism is installed inside the tank. The telescopic component includes an electric push rod. This invention, by using the telescopic component, base plate, and telescopic cylinder in conjunction, allows the base plate and telescopic cylinder to form a new storage space. When filler material is added into the storage space through the conveying channel, since both the storage space and the conveying channel are located below the mixing mechanism, the addition of filler material will not impact the mixing mechanism, thus avoiding damage to the mixing mechanism.

The utility model relates to bar straightening technical field especially relates to a kind of straightening device of high plasticity fine-grained titanium alloy bar, it includes: conveyor, the mounting bracket one is arranged on the conveyor, the mounting bracket one top is provided with direction adjusting component, the conveyor one side is provided with straightening component, a pair of heat dissipation components is symmetrically arranged on the upper and lower sides of straightening component. The utility model is through setting direction adjusting component, linkage mechanism of rack one and gear one, gear two driven by telescopic cylinder one, can adapt to different sizes titanium alloy bar, guide plate ensures that titanium alloy bar direction does not deviate in conveying process, avoids the emergence of jam problem when titanium alloy bar enters straightening component;The utility model is through setting straightening component, and the combination of height-adjustable vertical straightening roller and horizontal straightening roller makes that straightening space can be accurately adjusted according to the specification and size of titanium alloy bar.

A battery spacing device, characterized in that it comprises:a conveyor assembly (1) comprising a conveyor belt (11);a material clamping assembly (2) comprising a first clamping telescopic cylinder (21) telescopically movable relative to the conveyor belt (11) and a first clamping sensor (211);anda spacing assembly (3) comprising a step belt (31), a spacing telescopic roller (32), a locking plate (33), locking clamps (34), a spacing platform (321) and a movable plate (341), wherein the spacing telescopic roller (32) is connected to the stepping belt (31), wherein the spacing platform (321) is arranged on the stepping belt (31), the locking plate (33) and the locking clamps (34) are connected to a telescopic end of the spacing telescopic roller (32), wherein the locking clamps (34) are arranged on the movable plate (341), and the locking plate (33) is provided with at least two locking holes (331), and the spacing adjustment platform (321) is provided with a guide rail (3211), wherein the movable plate (341) is provided with a guide groove corresponding to the guide rail (3211), and the movable plate (341) is slidably mounted on the spacing adjustment platform (321);

The utility model discloses a kind of magnesium-carbon brick handling clamps, belong to material handling equipment field, including driving arm and connecting seat, the driving arm is hydraulic telescopic cylinder, the telescopic end of driving arm is fixedly connected with connecting block, and connecting block other end is fixedly connected in the one side of connecting seat, the one end fixedly connected with control shaft of driving arm away from connecting block, the surface of connecting seat is equipped with trajectory groove, it is through the linkage design of adjusting ring and driving gear, in combination with the sliding fit of sliding slot and slide bar, make clamping strip along X trajectory groove under the stable folding of control motor drive, realize the accurate clamping of magnesium-carbon brick corner, annular array distribution drive block promotes transmission wheel, and then through connecting rod drive V-shaped clamping strip synchronous to center tightening, reset spring provides buffering and reset function, ensure that clamping process is stable and reliable, overall structure is compact and light, improve the portability and operating flexibility of equipment, avoid that magnesium-carbon brick appears damage due to clamping strength too big.

The utility model discloses a high -precision structural member surface polishing composite treatment device relates to polishing technical field, solved present device inconvenient and the problem of poor polishing effect, adopted the following scheme: the bottom fixed mounting of processing box has telescopic cylinder A, this high -precision structural member surface polishing composite treatment device places work piece on the setting of telescopic cylinder A and hydraulic telescopic link, and telescopic cylinder A drives the placement board to move down to pretreat work piece, and then hydraulic telescopic link drives polishing assembly to polish, and simple convenient is used, and the labor of manual reduction is simultaneous through the setting of water tank and pickling tank, and water pump A can inject pickling liquid in pickling tank to the work piece in processing box and carries out pickling, and water pump B draws back pickling liquid in pickling tank after pickling, then water pump A injects the water in water tank to the work piece in processing box and carries out cleaning, and the processing effect is good, and the effect of polishing is improved.

The application discloses a kind of track wheel wheel diameter hot state detection device, specifically relates to track wheel detection technical field, including mounting seat, further include supporting device, clamping assembly and adjusting assembly.The present application is set by adjusting assembly, on the one hand, it can keep the same clamping force to track wheel when the diameter of wheel changes and can further push the clamping block to clamp the track wheel when the diameter of wheel is reduced due to cooling, compensate the change of wheel diameter, improve the stability and detection accuracy of device, on the other hand, after scanning is completed, the gas in the telescopic cylinder in compression state pushes the clamping block to further slide on the support frame, and the oxide skin and impurities on the track wheel on the support frame are scraped off, so that the oxide skin and impurities are avoided to accumulate, so that the supporting environment of track wheel remains clean and consistent, the variable introduced by impurity accumulation is eliminated, and the reliability and accuracy of detection are improved.

This application relates to the field of vehicle braking component testing technology, and particularly to a calibration and testing device and method based on an electric vehicle electronic fuel dispenser. The calibration and testing device includes a fixing fixture, a wiring harness connection unit, a host computer system, a transmission unit, and a PLC control system. The fixing fixture is used to hold the electric vehicle electronic fuel dispenser to be tested. The wiring harness connection unit includes a power supply and a calibration programmer. The host computer system is connected to the calibration programmer via a universal serial bus port. The transmission unit includes a positioning fixture, a telescopic cylinder, and a servo motor. One end of the positioning fixture is fixedly connected to the servo motor, and the servo motor is fixedly connected to the telescopic cylinder. One end of the PLC control system is connected to the host computer system via a network cable. This application ensures the synchronization and consistency of calibration and testing procedures for different fuel dispensers, and allows for intuitive comparison of line graphs of test results from different angles of the same fuel dispenser, achieving fully automated operation and quantitative performance evaluation.

The utility model relates to the technical field of rock debris collection, especially to an angle-adjustable petroleum drilling rock debris collector, which comprises a mounting seat, an angle adjusting assembly arranged at the bottom of the mounting seat, a rock debris collector body arranged at the bottom of the angle adjusting assembly, and a cleaning assembly arranged at one side of the mounting seat. The utility model is provided with the angle adjusting assembly, a motor drives gear one to rotate, then the rotation of the rotating shaft is driven through the meshing transmission of gear one and gear two, and then the rotating table and the rock debris collector body are rotated to a suitable direction, so that the horizontal orientation adjustment of the rock debris collector body can be accurately controlled, the needs of different drilling sites for the collection orientation are met, and secondly, the telescopic cylinder is telescopic through the telescopic rod, power is transmitted to the inclined plate through the connecting piece one and the connecting piece two, the inclined plate is driven to rotate around the mounting frame one, and thus the angle of the rock debris collector body can be flexibly adjusted, and different drilling angles and rock debris collection requirements can be adapted.

The application discloses a kind of free curved surface optical lens surface treatment equipment, including base, base side is equipped with support rod, support rod end is vertically equipped with telescopic cylinder, the bottom end of telescopic cylinder is connected with motor, and motor drives and connects polishing head;Base is opened with recess, recess inside is equipped with transparent seat, transparent seat is equipped with buckle, and lens body is clamped by buckle;The inside of polishing head is equipped with airbag layer, airbag layer is arranged in polishing head with cambered structure, and the outside of airbag layer is equipped with polishing cloth;The inside of transparent seat is equipped with polishing detection unit, and polishing detection unit can detect the polishing uniformity of lens body, and feedback to control center by detection signal, and control center controls air pump to inflate airbag in polishing head, changes the compaction degree of polishing head, when the compaction of polishing head and lens body does not occur, the light of reminding mechanism is always on to remind.

The utility model discloses a kind of for right and wrong vertical oil level line cleaning device, including buoy, including secondary oil pipe;Cleaning unit includes observation piece, driving part, telescopic part and cleaning piece.The utility model is operated through multiple groups of redundant observation piece along the equal angle distribution of buoy circumference side, in combination with multistage screw thread telescopic structure and self-locking characteristic, the omnibearing monitoring and efficient cleaning of oil level line are realized.Observation piece is designed with transparent nanometer oil-repellent coating liquid pipe and scale line, cooperate with the guide angle structure and elastic support assembly of scraper of cleaning unit, can dynamically remove oil film stain and avoid glass scratch, simultaneously through multistage extension bar reverse screw thread rotation direction design, make telescopic cylinder with rotating rod rotation realize synchronous telescopic motion, ensure that cleaning piece accurately sticks to the surface of observation piece.

The utility model discloses a kind of traction devices for cable laying, including traction assembly, the traction assembly is installed on mobile base, and wire arrangement assembly is also installed on mobile base;The traction assembly includes two parallelly arranged side plates, lifting frame is vertically slidably installed between two side plates, and lifting drive mechanism that drives lifting frame to act up and down is installed on side plate;Two traction wheels are vertically arranged side by side on lifting frame, and the upper end and the lower end of traction wheel are respectively installed on upper sliding block and lower sliding block, and upper sliding block and lower sliding block are horizontally slidably installed on lifting frame;Telescopic cylinder is installed on the top of lifting frame, and the piston rod of telescopic cylinder is vertically and downward fixedly connected on the top block, and the top block is matched with two upper sliding blocks.This device can adapt to the laying installation of different size cable, and can effectively avoid the swing problem when cable traction transmission through wire arrangement assembly, so as to significantly improve cable laying efficiency and device running stability.

This utility model discloses a liquid crystal glass cutting device. A conveyor belt is installed between a drive base and a mounting base. A rodless cylinder is embedded and fixed on the top of the drive base. The movable end of the rodless cylinder is fixedly connected to a mounting column. An L-shaped support plate is connected to the right side of the mounting column. A moving block drives the laser cutting machine to make horizontal adjustments. This utility model uses a telescopic cylinder to drive the laser cutting machine to make vertical lifting and lowering adjustments, and uses a rodless cylinder to drive the moving column to make horizontal displacement. This allows for more precise cutting of the fed liquid crystal glass, and allows for quick and timely removal of the cut liquid crystal glass. It can also stably adsorb and remove the cut liquid crystal glass. The overall feeding and unloading operation does not require the operator to manually contact the liquid crystal glass for a long time, avoiding fingerprints and stains left on the surface of the liquid crystal glass, further improving its practicality.

This utility model relates to the technical field of cylinder vacuuming devices, and discloses an automatic vacuuming device for high-pressure cylinders. It includes a device body and a sealed chamber fixedly connected to one side of the device body. A controller is also fixedly connected to one side of the device body. The device body is equipped with a placement mechanism, which serves to place multiple sets of high-pressure cylinders. The placement mechanism includes a motor fixedly connected inside the device body. A heat dissipation slot for the motor is provided on one side of the device body. A vacuum pump is fixedly connected to one side of the controller. This utility model, through the arrangement of a telescopic cylinder, a motor, a placement slot, and a connecting frame, enables operators to conveniently operate multiple sets of cylinders simultaneously, improving work efficiency. It solves the problem that existing cylinder vacuuming devices generally have limited functionality, often making it inconvenient to operate multiple cylinders during use, leading to reduced vacuuming efficiency and affecting the device's overall efficiency.

The utility model relates to bubble bag technical field especially is a bubble bag folding device, including processing platform, the side of processing platform is provided with the folding subassembly, the top of processing platform is provided with auxiliary assembly, through setting up the cooperation use of first electric telescopic link, connecting plate, second electric telescopic link, fixed clamp, telescopic cylinder and stop plate, can realize the quick folding of bubble bag, and need not manual adjustment of staff in the folding process, has improved the stability and efficiency of folding, first electric telescopic link promotes connecting plate to remove, and connecting plate drives second electric telescopic link to remove, and second electric telescopic link promotes fixed clamp to remove, and fixed clamp fixes one end of bubble bag, and telescopic cylinder promotes stop plate to remove, and stop plate cooperates with fixed clamp, and then first electric telescopic link and second electric telescopic link adjust, not only convenient control different size's bubble bag, still can realize the quick folding of bubble bag.

The embodiment of the application provides a hydraulic control method and device of a single-cylinder bolt type telescopic arm and engineering machinery. The method comprises the following steps: determining the working state of the single-cylinder bolt type telescopic arm; obtaining the first pressure of the center channel based on the pressure sensor; obtaining the working speed of the telescopic cylinder in the case that the first pressure is not within the pressure threshold range corresponding to the working state; calculating the preset parameter corresponding to the working state by using the working speed in the case that the working speed is less than or equal to the speed threshold corresponding to the working state; repeatedly adjusting the current of the main valve, and calculating the real-time flow of the main valve according to the adjusted current after each adjustment until the preset parameter meets the preset condition corresponding to the working state based on the real-time flow of the main valve. The process obtains the first pressure of the center channel, adjusts the speed or current of the single-cylinder bolt type telescopic arm to make the first pressure of the center channel within the pressure threshold range, and guarantees the reliability and safety of the operation.

This invention discloses a lost foam casting mold for gearbox housings, relating to the field of intelligent casting technology. It includes a lower mold and an upper mold. An ejector assembly is installed inside the lower mold, comprising a telescopic cylinder mounted inside the lower mold. A movable seat is mounted on the telescopic cylinder, and a top seat is connected to the movable seat via a conveying pipe. The top seat is located inside a recess in the housing, and its top horizontal plane is flush with the bottom horizontal plane of the bearing seat hole in the housing recess. The conveying pipe is connected to an external air pump via a first pipe, and a through hole is provided on the outer side of the top seat. In this lost foam casting mold for gearbox housings, when the top seat moves upward, it slowly lifts the housing upward, achieving initial loosening and separation of the housing from the bottom of the housing recess. Gas flows along the gap between the housing and the housing recess, assisting in loosening and preventing scratches on the housing surface during demolding, thus ensuring the appearance quality of the housing.

This invention relates to the field of lifting platform technology and discloses a lifting platform with a voice recognition system. The platform includes a vehicle base, an inner scissor-type hydraulic mechanism, a support base fixed to the upper end of the scissor-type hydraulic mechanism, and a protective barrier fixed to the outer side of the support base. A guide groove is formed inside the support base, and a through groove is formed at the lower end of the protective barrier corresponding to the guide groove. An L-shaped mounting frame is slidably connected between the guide groove and the through groove. A telescopic cylinder is installed inside the L-shaped mounting frame, and a mounting support is fixed to the telescopic end of the telescopic cylinder. A support shaft is fixed to the inner side of the mounting support, and an arc-shaped support block is rotatably connected to the outer side of the lower end of the support shaft. A hollow support arm is fixed to the outer side of the arc-shaped support block, and a microphone is installed at the end of the hollow support arm away from the arc-shaped support block. In this invention, the overall structure enables non-contact operation, improving operational convenience and efficiency, and allowing direct control of the lifting and moving of the support base via voice commands.

This application discloses a bearing ring forging raceway widening device, comprising: a housing, a bearing seat, a first motor, a rotating shaft, a support roller, a raceway rolling ring, a telescopic cylinder, a pressure frame, and a pressure roller. A material inlet is provided at the front of the housing. The bearing seat is fixedly connected to the rear of the housing. The rotating shaft passes through the bearing seat and is rotatably connected to it. The first motor is fixedly installed at the rear of the bearing seat, and its output shaft is fixedly connected to the first end of the rotating shaft. The support roller is coaxially fixedly connected to the second end of the rotating shaft. The telescopic cylinder is located at the top of the housing, with its output end facing downwards. The pressure frame is fixedly connected to the output end of the telescopic cylinder. The support roller and pressure roller of this application use raceway rolling rings of different specifications to adapt to bearing ring raceways of different sizes or depths. Furthermore, the auxiliary roller is provided with a trapezoidal auxiliary groove, which can maintain the axial and radial stability of the bearing rings and prevent displacement or vibration.

This invention relates to the technical field of plastic recycling, and more particularly to a centralized processing device for polyethylene waste, comprising side plates, a first connecting plate, a first hydraulic telescopic cylinder, a second connecting plate, limiting rods, an extrusion assembly, and a drive assembly; several side plates are connected to a support block; a first connecting plate is disposed above the support block; a first hydraulic telescopic cylinder is fixedly connected to the first connecting plate; the telescopic end of the first hydraulic telescopic cylinder is fixedly connected to the second connecting plate; several limiting rods are fixedly connected to the second connecting plate; under the limiting action of the limiting rods, four through holes are formed inside the film block package. After inserting a PE tube into the through holes, the heat in the film block package can diffuse to the inside of the PE tube, and then diffuse from the inside of the PE tube to the external environment, avoiding heat accumulation and spontaneous combustion. At the same time, the limiting rods are also used to fix the middle of the film block package, preventing the film block package from shifting during the opening of the side plates, thereby avoiding affecting the gripping and positioning operation of the robotic arm.

The utility model relates to the technical field of sofa production, specifically relates to a fabric cutting device for sofa production, including frame, the fixed plate of horizontal setting of frame and the cutter of fixed plate top setting, the top of fixed plate is provided with fixed column, and fixed column and fixed plate are installed on the frame respectively, and a plurality of fixed sleeves are arranged on the fixed column, and the fixed sleeve is respectively sleeved with fixed seat, cutting seat and two fixed rings, two fixed rings are respectively installed on both sides of fixed sleeve, and fixed ring and fixed seat are all located between two fixed rings, and first telescopic cylinder is arranged between fixed seat and cutting seat, the top of fixed column is provided with fixed rod, fixed groove is opened on fixed seat and is sleeved on fixed rod, and the both ends of fixed rod are respectively provided with second telescopic cylinder, and fixed rod is installed on the frame through second telescopic cylinder, the utility model provides a kind of fabric cutting device for sofa production, which is easy to operate and can provide diversified cutting mode.

The utility model belongs to glass bottle sealing equipment technical field, concretely relates to a screwing machine head of cap screwing machine. A screwing machine head of cap screwing machine, including main body cylinder, the lower position of main body cylinder is equipped with telescopic ring, and the lower end of telescopic ring and main body cylinder is telescopic type connection, the lateral wall of main body cylinder is equipped with inlet pipe, the inside of main body cylinder is equipped with a plurality of L-shaped supporting legs, and L-shaped supporting leg is evenly arranged in annular array, the inner wall of main body cylinder is equipped with a plurality of long holes, and L-shaped supporting leg and a plurality of long holes are one to one, and the middle segment position of L-shaped supporting leg is articulated in long hole, and the end of L-shaped supporting leg is connected with reset spring no. One, and the other end of reset spring no. One is connected in the cylinder wall of main body cylinder, the upper end of main body cylinder is connected with telescopic cylinder, and the telescopic type nested connection between telescopic cylinder and main body cylinder is telescopic type nested connection, and reset spring no. Two is arranged between telescopic cylinder and main body cylinder, and the screwing rod is penetrated in telescopic cylinder, and the screwing rod is penetrated into the inside of main body cylinder.

The application relates to the technical field of sand recycling devices, and particularly provides a sand recycling device for V-process casting, which comprises a supporting table, a baffle, a material receiving unit, a cooling unit and a baffle plate. The baffle is arranged above the supporting table through a connecting plate. The material receiving unit comprises a first telescopic cylinder, a second telescopic cylinder, a screen, a supporting frame, a blocking frame and a brush. The first telescopic cylinder and the second telescopic cylinder are fixed to one side of the supporting table. The output shaft of the first telescopic cylinder is fixed to one side of the screen. The output shaft of the second telescopic cylinder is fixed with the supporting frame. The bottom of the blocking frame is fixed with the brush. The baffle plate is fixed in the supporting table. The cooling pipe is fixed below the baffle plate. The blocking frame is arranged to separate the casting and the sand. The second telescopic cylinder can drive the blocking frame to move, and then drive the brush to move. The screen is displaced under the drive of the first telescopic cylinder, and the sand falls under the cooperation of the screen and the brush. The sand is cooled by the baffle, and the cooling speed is high.

The utility model discloses an automatic sleeve mouth wrapping device, including work table and blanking plate, the top of work table is provided with base, and the top of base is provided with movable plate and clamping jaw, and one side of movable plate is provided with first fixed plate, and the other side of movable plate is provided with combination board, and the top of blanking plate is provided with second fixed plate, and one side of second fixed plate is provided with transmission plate, in order to solve the problem of low efficiency of personnel hand -held sleeve mouth wrapping operation mode, and the problem of higher artificial cost, the utility model discloses when sensor detects sleeve body and the contact of positioning block, and clamping jaw clamps sleeve body, and then clamping jaw drives sleeve body to move to the sleeve body between the stopper and the pressure block, and then first telescopic cylinder controls pressure block to sleeve body and carries out mouth wrapping operation, thereby realizing the automatic mouth wrapping operation of sleeve body, avoiding the disadvantage that personnel hand -held sleeve body 7 is needed, improve production efficiency, reduce artificial cost.

The utility model discloses a wafer direction adjusting device for plasma photoresist removing equipment. The wafer direction adjusting device comprises a bearing platform, a photoelectric sensor A, a photoelectric sensor B, a wafer limiting column, a rotary lifting platform, a vacuum adsorption hole, a hollow supporting column, a rotary ventilation connector, a servo motor and a telescopic air cylinder. The photoelectric sensor is used for detecting the flat edge or notch of the wafer to judge the type of the wafer, and the rotary lifting platform is matched with the servo motor to adjust the direction of the wafer. The device can improve the stability of equipment for plasma photoresist removal and the like, is convenient for troubleshooting, and improves the utilization rate of the equipment.

The utility model discloses a kind of lead ingot turnover devices, it includes: two rotary cylinders are placed in the left and right ends of turnover device respectively;Four supports one is placed in the front and back two sides of two rotary cylinders, and the central rotating shaft of rotary cylinder is rotatably connected with support one;Two caterpillar belts are symmetrically around on the outer side of two rotary cylinders, and the outer surface of caterpillar belt and rotary cylinder is clamped;Rotary motor one is placed on the outer side of one of support one, and the rotating shaft of rotary motor one is fixedly connected with the central rotating shaft of rotary cylinder;Two supports two are placed in the front and back two sides of caterpillar belt respectively;Two baffle plates are placed above two caterpillar belts respectively;A plurality of telescopic cylinders are divided into two groups, and the telescopic rod of telescopic cylinder is fixedly connected with the outer side of baffle plate after passing through support two;Turnover plate is placed between two caterpillar belts;Turnover plate is reciprocatingly rotated between two caterpillar belts by rotary motor two.The utility model has the beneficial effects that: the purpose of stable turnover of multiple specifications of lead ingot can be applied.

The utility model is suitable for wheelchair technical field provides a kind of wheelchair of getting up easily, including seat, bracket assembly is installed on the seat, the bracket assembly includes support, the seat both sides bottom position is respectively rotationally connected with a group of gyro wheel, bracket assembly is provided with two groups of leg supporting assembly away from gyro wheel side, two groups of leg supporting assembly are symmetrically set;The leg supporting assembly includes connecting piece connected in the one side of support, the support is rotationally connected with telescopic cylinder, the output end of telescopic cylinder is rotationally connected with connecting block, the top of connecting block is provided with outer rod, the top of outer rod is provided with the leg supporting plate for placing double legs.The device solves the problem that the conventional wheelchair cannot effectively assist the user to get up, by the rotation adjustment of the leg supporting assembly, it is adhered to the double legs of user, better support and cooperation are provided, so as to help the user to complete the getting-up action more easily, the functionality and comfort of wheelchair are improved.

The track clamping and locking type drilling rig sliding device disclosed by the application comprises a sliding hydraulic cylinder and a clamping and locking device, one end of the sliding hydraulic cylinder is connected with a base, the other end is connected with the clamping and locking device through a connecting lug plate, the clamping and locking device is connected with a sliding track through a bottom guide plate, and locking and drilling rig sliding of the device are realized through a hydraulic system. The application utilizes the wedge force increasing principle, realizes locking and releasing of the device and the track through horizontal expansion and contraction of the wedge double-acting telescopic cylinder, and does not need to process a pawl hole on a wing plate of the track, so that the machining cost and production cycle of the track are greatly reduced. In the locking state, the sliding hydraulic cylinder can be elongated or shortened, continuous sliding and accurate adjustment of a wellhead are realized.

This utility model belongs to the field of acid filter technology, specifically an acid filter self-cleaning device. Addressing the problems frequently caused by clogged acid pump inlets, acid nozzles, and graphite heaters in the background art, the following solution is proposed: A tank body is provided, with a top cover fixedly connected to the outer wall of the tank top. A telescopic cylinder is installed on the outer wall of the top cover, and a telescopic column is fixedly connected to the piston rod of the telescopic cylinder. This utility model ensures effective acid filtration by adding a return acid filter inside the tank, guaranteeing that the acid supply flow rate meets the unit's production requirements. A pressure gauge is used to monitor the flow rate and pressure of the acid inside the tank in real time. If filter clogging affects the acid flow rate, the telescopic column can be raised and lowered by retracting the piston rod of the telescopic cylinder. Because two sets of springs are installed between the filter and the tank body, vibration operation of the filter is achieved, effectively dislodging impurities and providing a self-cleaning effect.