175results about How to "Move precisely" patented technology

The utility model provides an underwater robot for bridge detection, which relates to the technical field of bridge detection, and comprises a robot main body, a floating component for providing floating force is arranged at the upper part of the robot main body; the propeller set comprises two side propellers and two tail propellers, the two side propellers are located on the front face of the robot body, and the two tail propellers are located at the same end of the buoyancy assembly and symmetrically arranged front and back; and the two symmetrical walking mechanisms are arranged on the robot main body through mounting structural members. The beneficial effects of the utility model are that through the reasonable layout of the propeller group and the cooperative work of the propellers at the two sides and the tail part, accurate water surface positioning and movement are realized, and the robot is ensured to smoothly approach and fit a pile foundation from the water surface; the posture of the whole machine does not need to be adjusted when the pile foundation is close to the pile foundation, and the pile foundation can be directly adsorbed and attached through the propellers on the two sides; a tensioning mechanism in the walking mechanism has self-adaptability, and an elastic support is matched with a connecting frame connected in a sliding mode.

The utility model relates to a bridge support appearance inspection device, which comprises a walking track assembly, a bridge support appearance inspection device and a bridge support appearance inspection device, the walking track assembly comprises a walking track, a track support, a track height adjusting nut and a fixing nut unit, and the track support is connected with a bridge pier through the track height adjusting nut and is fixed through the fixing nut unit; the transmission assembly comprises a lateral wheel, a wheel supporting structure, a stepping motor and a tooth-shaped belt. The apparent image acquisition assembly comprises a camera; the development board is used for controlling operation of the stepping motor and shooting of the camera and uploading data; the power supply assembly comprises a lithium battery, a wireless charging module and a voltage reduction module; the transmission assembly, the apparent image acquisition assembly, the development board and the power supply assembly are all arranged on the walking track assembly. Compared with the prior art, through high-efficiency and low-cost automatic inspection, the bridge inspection system flexibly adapts to complex scenes, realizes high-precision detection and data management, and prolongs the service life of a bridge.

The utility model relates to the related technical field of biscuit processing machines, and one embodiment of the utility model provides a multifunctional integrated biscuit processing machine which comprises a base and a stirring container, the stirring container is arranged on the base, a moving table is arranged on the base, a driving motor is arranged on one side of the base, and a connecting moving assembly is arranged between the base and the moving table. The telescopic air cylinder is fixed to the base, the stable stirring assembly is arranged on the base and the telescopic air cylinder, the connecting and moving assembly comprises a connecting base, the connecting base is arranged on the surface of the moving table, the stirring container is installed in the connecting base, a control motor is installed in the moving table, and the output end of the control motor is connected with the stirring container. By means of the technical scheme, the technical problems that in the prior art, vibration is prone to being generated in the stirring process, stability is poor, and cleaning is inconvenient are solved.

The utility model relates to the technical field of airplane emergency rescue traction, in particular to an emergency runway separation device which comprises a hydraulic lifting device used for jacking airplane wheels and a trailer used for placing the airplane wheels, the hydraulic lifting device comprises an oil tank, a multi-stage hydraulic cylinder is installed at one end of the oil tank, a jacking head screw is installed on the multi-stage hydraulic cylinder, and the trailer is connected with the hydraulic lifting device. A hydraulic pump is installed at the other end of the oil tank, a low-pressure piston rocker and a high-pressure piston rocker are installed on the hydraulic pump, and handle temporary placing rods and inserting rods are installed on the two sides of the hydraulic pump; the trailer comprises a tire placing plate, and a front universal wheel is installed at one end of the tire placing plate. According to the device, the multi-stage hydraulic jack is adopted to quickly jack up the airplane wheels, the trailer can be conveniently placed below the airplane wheels, the airplane can slowly descend through the multi-stage hydraulic jack so that the airplane wheels can be placed on the trailer, and the airplane can be conveniently dragged and moved through the trailer.

The utility model relates to the technical field of rolling equipment, in particular to a multi-roller rolling device for a dry electrode, which comprises a base and a rack, and further comprises a rolling structure, a roller spacing adjusting structure, a detection structure, an edge cutting structure and a winding structure which are arranged on the rack, the rolling structure comprises a first pressing roller, a second pressing roller and a third pressing roller which are sequentially arranged, and the heights of the pressing rollers are sequentially reduced so that the pressing rollers can be obliquely arranged. The third pressing roller is provided with a supporting assembly, and the supporting assembly comprises a plurality of traction rollers rotating on the rack and a supporting belt; the roller spacing adjusting structure comprises a first adjusting assembly used for driving the first pressing roller and a second adjusting assembly used for driving the third pressing roller. The detection structure comprises a thickness detector facing the supporting belt. The inclined compression roller enables the powder material to be subjected to component force in the inclination direction of the roller surface, so that the motion trail of dry powder is changed to prevent the dry powder from vertically falling off, the roller spacing adjusting structure drives the compression roller according to the electrode thickness to adjust the roller spacing, and the consistency and the yield of products are improved.

The application relates to the technical field of detection, and discloses a multimode nondestructive testing equipment for nickel plates and cobalt plates, which comprises a detection chamber, the inside of the detection chamber is filled with ultrasonic detection liquid, bases are further arranged on the two sides of the detection chamber, a light plate is slidably arranged on the base, a CCD visual detection probe is arranged on the light plate, the CCD visual detection probe is used for capturing surface defects of the nickel plate, the light plate is used for light compensation and shadow dead angle reduction, and an ultrasonic detection probe is further arranged in the detection chamber. The CCD vision and the ultrasonic detection are cooperated in the application, the defects on the surface and in the inside are comprehensively covered, and missing is avoided; the traditional detection is easily misjudged by light, personnel experience and the like, and the defects cannot be quantified; the application guarantees clear visual imaging by means of the light plate, adjusts the components to drive the ultrasonic probe to accurately move, combines signal quantitative analysis, gets rid of artificial subjective interference, and improves detection accuracy.

The utility model provides a rolling device of plastic extrusion production line, including: rolling device, clamping device and conveying device, rolling device includes: rolling frame, servo motor, hold-down mechanism and rolling mechanism, servo motor is on rolling frame, servo motor output end installs rolling mechanism, rolling mechanism can be rotatingly installed on rolling frame, the rolling mechanism is equipped with the clamping device, the clamping device is equipped with the conveying device. A conveying device is arranged on one side of the winding frame and comprises a guide rail, a movable bearing device, a blocking mechanism and an upward guiding assembly, a clamping device is installed above the movable bearing device and comprises a base, an installation rod and a supporting clamping mechanism, and the base is connected with the top of the movable bearing device through the installation rod. According to the winding device of the plastic extrusion production line, the accurate clamping action is achieved through the linkage shaft and the clamping arms, the opening and closing state of the clamping arms can be conveniently and rapidly adjusted through the design of the telescopic adjusting rods, and therefore plastic rolls are efficiently grabbed and released, and the stability of the plastic rolls in the transferring process is guaranteed.

The utility model discloses an automatic processing clamping device of adaptation to multiple size workpieces, including base, two groups of clamping mechanism of symmetrical setting on base, drive mechanism and adjusting mechanism for adjusting the initial interval of clamping mechanism that drive clamping mechanism relative close or far apart, still be equipped with horizontal guide rail on the base, two groups clamping mechanism are slidably connected in the both ends of horizontal guide rail respectively, clamping mechanism includes sliding seat, clamping jaw subassembly and be equipped with the elastic buffer pad in the one side of sliding seat. Can take into account multiple size adaptability, high accuracy positioning, stable clamping and the novel clamping device of automation control, to solve the technical problems such as the adjustment of existing technology complicated, poor universality, clamping reliability is low, satisfy modern automation processing to the demand of high efficiency, precision, stability.

The utility model relates to the technical field of engineering construction frock, specifically disclose a locking assembly and temporary bridge support fixing frame, wherein, locking assembly, including fixed cylinder, adjusting nut, adjusting screw rod, truss connecting seat, embrace tightly hoop connecting seat and anti -drop roof, adjusting nut rotation sets up on fixed cylinder, and with adjusting screw rod screw connection, adjusting screw rod passes through adjusting nut and extends to fixed cylinder inside. Anti -drop roof sets up in fixed cylinder inside and is connected with adjusting screw rod. Truss connecting seat is connected with fixed cylinder, and the one end of adjusting screw rod away from anti -drop roof is connected with embrace tightly hoop connecting seat. The locking assembly simple structure, convenient operation can realize reliable locking function, is applicable to a variety of connection fixed scene.

This invention provides a spatial acoustic wave manufacturing device, including a frame, an acoustic wave generating module, and a control module. The frame is equipped with a first X-axis guide rail, a second X-axis guide rail, a first Y-axis guide rail, a second Y-axis guide rail, a rotary platform, a Z-axis stepping electric cylinder, a robotic arm, and an ultrasonic actuating head. The control module and the above structures form a multi-degree-of-freedom motion system. This device enables the liquid tank carrying the workpiece and the ultrasonic actuating head to perform precise, multi-axis linkage relative motion in space, allowing the acoustic wave focus to be accurately positioned and continuously moved in three-dimensional space. This enables non-contact processing of workpieces with complex curved surfaces such as overhangs, internal cavities, spiral flow channels, and honeycomb grids, and allows printing without any physical support materials.

The utility model provides a hot riveting welding machine which comprises a welding table, the upper surface of the welding table is connected with a machine frame, the top end of the machine frame is connected with a hot riveting welding head, and the bottom end of the hot riveting welding head is connected with a moving mechanism. The moving mechanism comprises a cavity formed in the top end of the welding table, a translation mechanism connected to the interior of the cavity and a translation plate connected to the execution end of the translation mechanism, the upper surface of a plate body of the translation plate is connected with an air pump, the input end of the air pump is connected with a vacuum suction head, and the vacuum suction head is in sliding connection with the top end of the welding table. Through cooperative work of the translation mechanism, the air pump and the vacuum suction head in the moving mechanism, the full-automatic process of sucking and transferring a workpiece to a welding position is achieved, traditional manual carrying and positioning are replaced, and manpower input is reduced.

The utility model discloses a treatment head and a therapeutic apparatus, and relates to the technical field of medical instruments, the treatment head comprises a housing assembly, a transducer, a connecting assembly, a first elastic member and a button structure, the housing assembly is provided with a sound transmission port; the transducer is used for generating ultrasonic energy through the sound transmission opening; the first end of the connecting assembly is movably connected with the shell assembly, the second end of the connecting assembly is used for being connected with the transducer, and at least two abutting positions with different distances from the sound transmission opening are arranged between the connecting assembly and the shell assembly; the first elastic piece is used for pressing the connecting assembly against the shell assembly; the key structure is movably installed on the shell and used for driving the connecting assembly to move so as to achieve switching of different abutting positions. A user can accurately and quickly drive the transducer to move to a required position through the key structure, so that the treatment effect and the use experience of the user are improved.

The utility model belongs to the technical field of profile machining equipment, and particularly relates to an aluminum profile axial positioning device which comprises a rack, an operation table, a sliding base part, a sliding positioning unit and a driving source. An operation table used for bearing and placing aluminum profiles is arranged in the middle of the machine frame, a sliding base part arranged in the length direction of the operation table is arranged on the upper portion of the machine frame, and a sliding positioning unit used for axially positioning the aluminum profiles is installed on the sliding base part. A driving source for driving the sliding positioning unit to move in the length direction of the operation table is arranged on one side of the rack; by designing the cooperation of the side face pressing block and the top face pressing plate, it is ensured that the aluminum profile is always subjected to uniform and appropriate pressure during positioning, and surface pressing damage or deformation caused by too large or non-uniform pre-tightening force is avoided.

The utility model discloses a PCBA (Printed Circuit Board Assembly) test fixture in the technical field of PCBA test, and aims to solve the problems of insufficient positioning accuracy, poor adaptability, insufficient clamping stability, damage to the surface of a PCB (Printed Circuit Board) and the like in the prior art. The jig comprises a jig body, a pressing and fixing mechanism and a clamping and fixing mechanism. The top side of the tool body is provided with a test groove used for placing a PCBA. The hold-down fixing mechanism effectively absorbs vibration and impact through the combined design of an electric push rod and a hold-down air cushion in combination with a spring and a shock absorber, and it is ensured that the PCBA is kept stable in the testing process; according to the clamping and fixing mechanism, a bidirectional threaded rod is matched with a servo motor, accurate movement of a clamping rod is achieved, PCBs of different sizes and shapes are rapidly adapted, and the positioning accuracy and adaptability are improved. By optimizing the clamping and positioning structure and the damping design, the performance of the PCBA test fixture is remarkably improved, and the PCBA test fixture has the advantages of high-precision positioning, high adaptability, stable clamping, PCB protection, convenience in operation and the like.

The application discloses a flat field correction method, a flat field correction system and a computer readable storage medium thereof. The flat field correction method comprises the following steps: providing a camera to be corrected and a blank wafer; collecting a dark field image of the blank wafer; collecting a bright field image of the blank wafer; and performing flat field correction calculation processing of the camera to be corrected according to the dark field image and the bright field image of the blank wafer. In the technical scheme, the blank wafer is used as a target object for flat field correction, the blank wafer is in a dust-free environment during production, is not easy to be polluted, and has extremely high consistency of wafer surface gray scale, so that the problems of difficulty in guaranteeing sufficient size and uniformity of a flat field target in the prior art can be solved.

This invention relates to the field of robotics, aiming to overcome the shortcomings of the prior art and provide a badminton training and catching device and control method capable of automatically identifying, tracking, and stably catching a badminton shuttlecock in flight. The technical solution of this invention is: a badminton training and catching device, comprising: a chassis; a walking mechanism for providing walking power; a binocular camera for capturing scene images; a shuttlecock collecting mechanism for collecting falling shuttlecocks; a shuttlecock dropping mechanism for discharging shuttlecocks from the collecting mechanism; and a controller electrically connected to the walking mechanism and the binocular camera. A control method for the aforementioned badminton training and catching device includes the following steps: S101, stereoscopic vision image acquisition and correction; S102, badminton shuttlecock detection and tracking; S103, three-dimensional coordinate calculation and transformation; S104, badminton shuttlecock trajectory history recording and caching; S105, oblique throw landing point prediction; S106, PBVS control target; S107, calculating control commands and driving the device.

This utility model relates to a labeling and positioning device for canned nuts. The technical solution includes a base plate, a third motor fixedly mounted at the bottom of the base plate, a support plate fixedly connected to the output end of the third motor, multiple fixed rods fixedly mounted on the top of the support plate, a disc fixedly mounted on the top of the multiple fixed rods, multiple support rods fixedly mounted on the top of the disc, a top plate fixedly mounted on the top of the multiple support rods, and multiple positioning devices on one side of the top plate. The beneficial effects are: through the linkage mechanism of the cross-groove and multi-threaded rod, synchronous and precise movement of the positioning rods is achieved, allowing for rapid adaptation to cans of different sizes, significantly improving positioning accuracy. The flexible adjustment capability of the positioning rods is compatible with most can diameter ranges, allowing for specification switching without replacing parts, significantly reducing changeover time. The rolling assembly adapts to different can heights and labeling position requirements, and the rolling pressure is automatically compensated by the elastic structure of the spring and telescopic rod, preventing label wrinkles or damage.

The invention discloses a gene detection sample oscillation mixing device capable of accurately controlling the speed, and relates to the technical field of gene sample detection, the gene detection sample oscillation mixing device comprises a device host and a driving member, and is characterized in that the driving member is vertically embedded in the device host, and the top power output end of the driving member is horizontally connected with a rotating frame member. According to the gene detection sample oscillation mixing device capable of accurately controlling the speed, the oscillation frequency and amplitude can be accurately controlled according to preset parameters through a high-precision speed sensor and an intelligent regulation and control system which are arranged in the device host. And the driving component adopts an advanced motor driving technology, so that the stability and high efficiency of power output are ensured. And the rotating frame component is designed into an adjustable structure and can be flexibly adjusted according to the sizes of different sample containers, so that the uniformity of oscillation mixing is ensured. And the clamping component is made of a soft and elastic material, so that the sample container can be firmly clamped, and the damage to the sample in the oscillation process can be avoided.

This invention provides a method and related device for wearing and positioning an EEG acquisition headband. The method includes: acquiring an initial facial image; establishing a three-dimensional head model based on the initial facial image; determining three-dimensional points based on the initial facial image, wherein the three-dimensional points are points on the three-dimensional model; acquiring point images based on the three-dimensional head model, wherein the point images are projection images of the three-dimensional model, the point images include target points, the target points correspond one-to-one with the three-dimensional points, and the target points and the three-dimensional points have a projection relationship; acquiring positioning points, wherein the positioning points are points on the headband; matching the three-dimensional points with the positioning points and acquiring matching information; and displaying the initial facial image and a guidance image based on the matching information.

The utility model discloses a kind of ladder frames for comprehensive wiring, it is related to wiring technical field, including support column, two support plates are fixedly connected in support column side wall, second threaded rod is inserted in support plate surface, side plate is fixedly connected in second threaded rod top, first threaded rod is fixedly connected in side plate top, main body is fixedly connected between two side plates, dustproof assembly is mounted in the both sides of main body top, the utility model ensures that line arrangement is neat by positioning sleeve, prevents winding misplacement;First threaded rod cooperates with first nut, realizes the accurate fixing of mounting frame, avoids loosening in use process, dustproof plate moves steadily under the second spring elastic force, can effectively shield line, prevent dust pollution, prolong the service life of line, the cooperation of sliding slot and guide block, further ensure the steady, accurate displacement of dustproof plate, reduce moving resistance, improve the working efficiency and sealing performance of overall device.

This utility model discloses an adjustable soldering machine, relating to the field of soldering machines. It addresses the problem that existing soldering head adjustments are primarily made in the vertical plane, resulting in limited adjustment angles and unsuitability for certain soldering scenarios. An adjustment assembly is provided in the upper space of the worktable. This assembly includes bearing plates, with a drive worm gear rotatably connected between the two bearing plates. A first drive motor is mounted at the front end of the front bearing plate. A rotating bracket is connected to the outer ends of the intermediate shaft of the drive worm gear along the outer ends of the bearing plates. The output shaft of the first drive motor passes through the front end face of the rotating bracket and connects to one end of the drive worm gear. A second drive motor is mounted at the front end of the rear bearing plate, with its output shaft fixed to the rotating bracket. A rotating worm wheel is rotatably connected to the side of the rotating bracket away from the drive worm gear, meshing with the drive worm gear.

The utility model relates to a point gum all -in -one technical field discloses a kind of automatic mixing and point gum all -in -one of die -attaching glue, including support base plate, the support base plate top end is fixedly connected with support frame, the right end of support frame is fixedly connected with limit box, limit box inside is placed with storage barrel, the storage barrel top end is fixedly connected with material conveying pipe, the left end of material conveying pipe is drive-connected with suction pump, the bottom of suction pump is fixedly connected with point gum head.The utility model is first, die-attaching glue is poured into storage barrel.In the beginning of point gum operation, console starts suction pump, suction pump extracts die-attaching glue in storage barrel and is transmitted to point gum head by material conveying pipe, while, according to the position requirement of point gum, console controls servo motor to start.Servo motor drives transmission screw rod to rotate, and the moving sleeve on transmission screw rod moves in horizontal direction according to the rotation direction and the number of turns of screw rod.

The utility model discloses an outer surface treatment device for suspension spring production, which comprises a bottom plate, vertical plates are fixedly mounted at four corners of the top of the bottom plate, a top plate is fixedly mounted among the tops of the vertical plates, an auxiliary component is arranged at the top of the bottom plate, a spray head is fixedly mounted at the bottom of a second rail slider, and the spray head is fixedly mounted at the bottom of the second rail slider. A drying plate is fixedly mounted at the inner top of the top plate. The utility model relates to the technical field of automobile suspension processing. According to the outer surface treatment device for suspension spring production, a rotating rod is driven by a third motor to rotate to achieve transposition of an adjusting plate, a sprayed suspension spring can rapidly move to the position below a drying plate to be dried, meanwhile, another clamping assembly can immediately clamp a new suspension spring to be sprayed, and in addition, the spraying efficiency is improved. And a first electric sliding rail is matched with a first rail sliding block, so that the clamping assembly can be accurately moved after drying is completed, the remaining non-spraying part is subjected to supplementary spraying, and the sprayed part is not affected by the clamping structure during supplementary spraying.

A feeder synchronous film stretching structure and feeder include a film release mechanism and a synchronous electronic control device mounted on the main body. The film release mechanism includes a fixed shaft A, a fixed shaft B, a film stretching fixed gear, a film stretching movable gear, a tension spring, an adjusting nut, an adjusting bolt, and a film stretching movable gear bracket. It is characterized by further including a film stretching motor connected to a worm gear; the worm gear meshes with the film stretching fixed gear for transmission; the adjusting nut and the film stretching movable gear are mounted on the film stretching movable gear bracket; one end of the tension spring is fixed to the other end of the main body and to an adjusting screw located inside the adjusting nut; under the synchronous control mode of the film stretching motor and the feeding motor, precise movement of the film and feed belt is achieved, featuring a simple and reliable structure, and enabling stable feeding of the pick-and-place machine.

The utility model discloses an adjustable metal tube processing device, which belongs to the technical field of metal tube processing, and comprises a workbench, a moving assembly is arranged in the workbench, a limiting assembly is arranged between the moving assembly and the workbench, the moving assembly comprises a first rectangular groove and a second rectangular groove, and the first rectangular groove and the second rectangular groove are arranged in the workbench. The second rectangular groove is located on the opposite side of the first rectangular groove, a servo motor is detachably connected to one side of the workbench through a cross screw, a lead screw is fixedly installed at the output end of the servo motor through a coupler, and the lead screw is installed in the first rectangular groove through a bearing. And the interior of the second rectangular groove is fixedly connected with a guide rod. Through cooperation of a servo motor, a lead screw and a guide rod, accurate movement of the movable plate is achieved, the positioning accuracy of a metal pipe in the machining process is ensured, the angle of the clamp is adjustable through the design of a rotating part and an adjusting screw, different machining requirements can be met, and the applicability of the device is remarkably improved.

This application relates to the field of battery manufacturing technology and provides a protective cap transfer device and a welding production line. The protective cap transfer device of this application includes a bracket with a loading end and a unloading end, two transfer devices respectively disposed at the loading end and the unloading end, and a conveying device arranged between the loading end and the unloading end; the loading end and the unloading end are arranged at a distance along a first direction, and the conveying device includes a fixture capable of reciprocating along the first direction; the transfer device at the loading end can remove the protective cap from the welded battery cell and transfer the protective cap to the fixture, which can then convey the protective cap to the transfer device at the unloading end, where the transfer device assembles the protective cap onto the battery cell before welding. The protective cap transfer device of this application reduces the time the battery cell spends at the welding station, lowers the waiting time of the welding equipment, improves the utilization rate of the welding equipment, and is beneficial to improving welding efficiency.

The application relates to the field of aviation technology and discloses a trailer carrying chassis lifting system mechanism of a damaged aircraft fast dragging system, which comprises a vehicle body, liftable driving wheels arranged at the front end and the rear end of the vehicle body, and carrying wheel lifting structures symmetrically arranged at the left side and the right side of the vehicle body. The carrying wheel lifting structure comprises a first hydraulic cylinder, a second hydraulic cylinder, a first carrying wheel, a second carrying wheel, a first rotating support and a second rotating support. The first rotating support and the second rotating support both comprise a first hinged position, a second hinged position and a third hinged position which are distributed in a triangular shape. Two first hinged positions are rotatably connected with the vehicle body, and two second hinged positions are rotatably connected with the first carrying wheel and the second carrying wheel. The trailer carrying chassis lifting system mechanism of the damaged aircraft fast dragging system can solve the problem that the carrying chassis of the rescue trailer cannot be lifted in the prior art, improve the use reliability, and greatly improve the transfer efficiency of the damaged aircraft.

The utility model relates to the technical field of plastic spraying gun clamping, and provides a clamping mechanism of a plastic spraying gun for a plastic spraying room, which comprises a sliding rail, a base, a first driving piece, a second driving piece and a clamping assembly, the end portion of the sliding rail is installed on the inner wall of the plastic spraying room, the base is connected to the sliding rail in a sliding mode, and the first driving piece is used for driving the base to slide relative to the sliding rail; the second driving part is installed on the base, the clamping assembly is installed at the output end of the second driving part, and the second driving part is used for driving the clamping assembly to move relative to the base. The plastic spraying room has the effect that the staying time of workers in the plastic spraying room is shortened, and the harm of plastic spraying operation to the bodies of the workers is reduced.

The utility model provides a novel silicon steel sheet coiled material automatic unwinding buffering material arrangement, including support, the inside upside of support is provided with roll support, the inside upper and lower two sides bearing of roll support is installed with upper guide roller, the upper portion of roll support and the upper wall of support are fixedly installed with elastic buffer piece between, the upper portion of roll support is fixedly installed with limit rod in front and back two sides, the inside left lower side bearing of support is installed with side guide roller, the inside right lower side of support is installed with translation limit guide frame subassembly. The utility model installs the support, the speed reducer motor, the pivot, the guide roller shell, the linear slide rail, the sliding slot, the ring baffle, the ring spare, the ball nut, the connecting column, the setting of limit block is favorable to to the front and back position of silicon steel roll coiled material and carries out the limit, adjusts the front and back position of silicon steel roll coiled material, makes silicon steel roll coiled material can be more accurate to move to the material guide platform.

The utility model discloses a measuring tool for a seat cushion of a motor train unit, and belongs to the technical field of measuring tools. The motor train unit seat cushion measuring tool comprises a mounting base, an adjusting bottom plate and a depth measuring scale. The mounting base is provided with a first sliding rail groove and a second sliding rail groove, the first sliding rail groove is formed in the bottom face of the mounting base, the second sliding rail groove is formed in the side face of the mounting base, and the opening direction of the first sliding rail groove is perpendicular to the grooving direction of the second sliding rail groove; the adjusting bottom plate is movably arranged in the first sliding rail groove, and the adjusting bottom plate can be moved to be exposed or stored in the first sliding rail groove so as to adjust the measurement size of the mounting base; the depth measuring scale is movably arranged in the second sliding rail groove so as to measure the collapse amount of the cushion at different positions. The motor train unit seat cushion measuring tool disclosed by the utility model can be used for quickly measuring the vertical collapse amount and the inclination angle of different types of seat cushions, and the working efficiency is improved.