35results about How to "Stable and safe clamping" patented technology

The invention relates to a welding fixture for an automotive dashboard beam assembly. The welding fixture comprises a clamping table, wherein a beam left-side bracket assembly clamping frame is arranged on the left side of the clamping table; a left beam clamping frame is arranged on the right side of the beam left-side bracket assembly clamping frame; a steering pipe column lower mounting bracket assembly clamping frame is arranged in the right front of the left beam clamping frame; a steering pipe column upper mounting bracket clamping frame is arranged at the right back of the left beam clamping frame; a middle air outlet pipe mounting bracket clamping frame is arranged in the right front of the steering pipe column upper mounting bracket clamping frame; an air outlet positioning frame is arranged at the right back of the middle air outlet pipe mounting bracket clamping frame; a clamping frame of a box body mounting bracket inside a glove box is arranged on the right side of the air outlet positioning frame; a PAB mounting bracket clamping frame is arranged behind the clamping frame of the box body mounting bracket inside a glove box. The welding fixture for the automotive dashboard beam assembly has the advantages of convenience in adjustment, safety and reliability in clamping, accuracy in positioning and the like. A No.3 left push rod and a No. 3 right push rod are convenient for a user to perform manual positioning in a manual reciprocating manner of the No.3 left push rod.

The invention relates to a motor shaft replacing tool and a shaft replacing method thereof. A fixing framework of the shaft replacing tool consists of an upper press plate (5), a lower press plate (7) and a pull rod (2), wherein the upper press plate (5) and the lower press plate (7) are symmetrical and are provided with center holes. The diameter of the center holes of the upper press plate and the lower press plate is not smaller than the diameter of a motor rotary shaft. The insides of the upper press plate and the lower press plate are symmetrically provided with clamping pieces (6) which are arranged besides the center holes, and the height of the clamping pieces is higher than a winding end (3) of a motor rotor. The shaft replacing method has the following steps of: sheathing the upper press plate and the lower press plate on the motor rotary shaft from both ends of the rotor through the center holes; clamping a rotor core by the clamping pieces; disassembling an axial positioning circular key from the motor rotary shaft; pressing the motor rotary shaft out; pressing the new motor rotary shaft into the center holes of the lower press plate, the rotor core and the upper press plate; installing the axial positioning circular key; and disassembling the shaft replacing tool. The invention is convenient to replace the rotary shaft of the motor rotor, is difficult to damage the winding insulation of the motor rotor, and is safe and reliable.

The invention discloses an operating method for the unanchored ground conductor of a power transmission line, which comprises the steps of firstly, tightening a ground conductor at a strain tower by means of a take-up device, fixing the tightened ground conductor by means of a ground conductor fixture, marking the ground conductor corresponding to the width of the cross arm of the strain tower, measuring and marking the outside of the marked part of the ground conductor for a second time, installing hardware fittings and temporarily binding insulators at the secondary measured and marked part of the ground conductor, finally moving the ground conductor to be around the cross arm, releasing the temporary binding of the insulators, hanging wires in wire hanging holes, and installing tower accessories after the wire hanging operation at the two sides of the cross arm. According to the invention, the operation step of converting a traditional suspension tower into a strain tower is changed, and the wire anchoring step is saved. The construction time is greatly reduced. Therefore, the reconstruction operation of the tower can be completed within five hours, and the reconstruction speed can be improved by over 5 times.

The invention discloses a bowl lifter for kitchens. The bowl lifter comprises a screw lifting mechanism and a bowl clamping mechanism; the bowl clamping mechanism comprises a clamping-jaw connecting block, clamping jaws, a pull-rod connecting block and pull rods; a plurality of clamping jaws are evenly distributed on the periphery of the clamping-jaw connecting block, the clamping jaws can rotate around mounting pin rolls on the clamping-jaw connecting block, and two ends of the pull rods are respectively connected to positions of bending points of the clamping jaws and the pull-rod connecting block; the screw lifting mechanism comprises a screw handle and a locking nut, a through hole is formed in the center of the clamping-claw connecting block, and the screw handle is fixedly connected with the pull-rod connecting block through the through hole of the clamping-jaw connecting block; the locking nut is located on the screw handle and is in threading fitness with the screw handle, and a nut can be tightly screwed in the clamping-jaw connecting block when a bowl is clamped through the jaws. When the screw handle is uplifted, the pull-rod connecting block drives one ends of the pull rods of the jaws to be upward while the other ends to pull the jaws to retract axially to have the bowl clamped, and the locking nut locks the pull rods to prevent the same from moving.

The invention discloses a fixing device for a vehicle transportation semitrailer. A fixing device comprises a driving mechanism arranged on a lower parking plate and a clamping and fixing mechanism arranged on the driving mechanism, and the clamping and fixing mechanism is located at the side part of the lower parking plate; the clamping and fixing mechanism comprises a supporting column, a circular disc body arranged at the top of the supporting column and at least two sets of flexible clamping jaws arranged on the circular disc body, the multiple sets of flexible clamping jaws take the circle center of the circular disc body as the center, and the circular disc body is aligned with wheels of a vehicle. The driving mechanism is used for providing power and driving the supporting column toget close to or deviate from the vehicle wheel till the multiple sets of flexible clamping jaws are clamped and fixed to the vehicle wheel, and the action of the wheel is limited. The fixing device has the advantages of being convenient to operate, firm and safe in clamping, high in clamping and fixing efficiency, high in clamping and fixing speed, accurate and reliable in gripping point clampingand the like, the labor cost is greatly reduced, and meanwhile the vehicle transportation efficiency is well improved.

The present invention discloses a multifunctional adjustable vehicle carrying transport vehicle. The vehicle comprises a vehicle body, a wheel fixing device is arranged on the vehicle body, the multifunctional adjustable vehicle carrying transport vehicle comprises a driving mechanism arranged on a lower parking plate and a clamping and fixing mechanism arranged on the driving mechanism, and the clamping and fixing mechanism is specifically located on the side portion of the lower parking plate; the clamping and fixing mechanism comprises a supporting column, a circular disc body arranged at the top of the supporting column and at least two sets of flexible clamping jaws arranged on the circular disc body, the multiple sets of flexible clamping jaws take the circle center of the circular disc body as the center, and the circular disc body is aligned with wheels of a vehicle. The driving mechanism drives the supporting column arc to get close to or deviate from the vehicle wheel till the multiple sets of flexible clamping jaws are clamped and fixed to the vehicle wheel; the vehicle carrying transport vehicle has the advantages of being convenient to operate, firm and safe in clamping, high in clamping and fixing efficiency, high in speed, accurate and reliable in gripping point clamping and the like, the labor cost is greatly reduced, and meanwhile the vehicle transporting efficiency is well improved.

The invention provides a pipeline clamping device for a vertical welding table. A column is perpendicular to a base, and one outside wall of the column is provided with a linear guide rail and a locking rack; a top cover of the top of the column is internally provided with a first motor, and the bottom of the column is provided with a sliding limit device used for preventing a cantilever from derailing; the outside wall, adjacent to the side of the linear guide rail, of the column is provided with an escalator, and the outside wall, opposite to the side of the linear guide rail, of the columnis provided with an electric control system; the cantilever is controlled by the first motor through a chain to do linear guide motion, and the locking rack is matched with a cantilever locking device, and used for preventing the cantilever from sliding down; one end of the cantilever is connected to the linear guide rail through a sliding component, while the other end of the cantilever is provided with a clamping component; clamping heads are controlled by a second motor of the clamping component through a lead screw to slide on clamping guide rails for clamping a pipeline; the base is fixedto ground by anchor bolts; the pipeline can be clamped in the pipeline welding process effectively and safely, and the welding deformation is avoided; and the pipeline clamping device has the effectsof high stability and reliability, and is flexible.

The invention provides a robot system capable of safely and stably holding an object with an optimum holding method and holding force. A robot control section (7) has an object information calculationsection (21) for calculating, based on image information from an image processing section (8), the size and shape of an object to be held; a holding method determination section (22) for determining,based on the object information calculated, a method for holding the object; a holding execution section (23) for executing lifting of the object by the holding method determined; a sensor information processing section (24) for processing pieces of sensor information and controlling holding force, the pieces of sensor information being those obtained at the time of the execution, the processingof the pieces of sensor information being made for each combination of one or more of the pieces of information; and a holding method correction section (25) for correcting, based on the result of theprocessing, the pieces of sensor information, the method of holding the object.

The invention relates to a coiled material packaging mechanism and bundling device and an application method and recovery method of the coiled material bundling device. The coiled material packaging mechanism comprises end covers suitable for clamping and fixing a coiled material from the shaft ends of a winding shaft of the coiled material and a tray suitable for supporting the end covers from the bottom faces. The coiled material packaging mechanism and bundling device and the application method and recovery method of the coiled material bundling device have the technical effects that cost is reduced, demounting and mounting are convenient, the application range is wide, and the service life is long.

The invention discloses a turnover type medical oxygen bottle carrier convenient to load and unload. Two wheels are installed on the two sides of a vehicle frame, two universal trundles are installed on the rear side of the vehicle frame, the front ends of four arms are each provided with a clamping plate, the rear sides of the four arms are all rotationally connected with an overturning frame, a first connecting rod is rotationally connected with a second arm and a fourth arm, and a second connecting rod is rotationally connected with a third arm and a fourth arm. The second connecting rod is rotatably connected with the first arm and the third arm, the turnover frame is rotatably connected with the frame, the hydraulic pipe communicates with the hydraulic pump and the hydraulic cylinder, the hydraulic cylinder can be stretched by stepping on the pedal, the first connecting rod and the second connecting rod are driven by the transverse groove rod to move upwards, and therefore the oxygen bottle is clamped by the four clamping plates, and the thrust of the hydraulic cylinder can be removed by stepping on the pressure release valve. A first spring and a second spring can pull a first connecting rod and a second connecting rod downwards, four clamping plates release the clamping of the oxygen bottle, a turnover frame swings forwards to enable two front supporting wheels to be in contact with the ground, at the moment, the clamping and releasing processes of the oxygen bottle are achieved, and the turnover frame swings backwards and is locked to achieve the transportation of the oxygen bottle.

The invention relates to a clamp for a steering column upper installation support of a dashboard cross beam. The clamp comprises a bracket, wherein a lower air cylinder is arranged in the middle of the bracket, lower cushion blocks are arranged on the inner sides of the left portion and the right portion of the bracket, lower gaskets are arranged on the lower cushion blocks, and sliding ways are arranged on the upper end faces of the left portion and the right portion of the bracket. Sliding frames are sleeved with the sliding ways, guide pieces are arranged above the sliding frames, lower flat plates are fixed at the upper ends of the sliding frames, and grooves are formed in the guide pieces penetrating through the lower end faces of the lower flat plates. The lower air cylinder is connected with the lower end faces of the lower flat plates, an air cylinder shaft of the lower air cylinder is connected with a front bracket, and a front pushing column is arranged at the upper end of the front bracket. By means of the V-shaped front pushing plate with a concave opening, overcompression of the steering column upper installation support on a front air cylinder with small power is avoided, and pushing effect of the front air cylinder on the steering column upper installation support is ensured. By means of hole positioning nails and positioning nails, the clamp can clamp the steering column upper installation support of the dashboard cross beam accurately.

The invention discloses a medical oxygen bottle carrier. Two wheels are installed on the two sides of a frame, a clamping plate is rotationally installed at the front end of each of four arms, the rear sides of the four arms are rotationally connected with the back face of the frame, a first connecting rod is rotationally connected with a second arm and a fourth arm, and a second connecting rod is rotationally connected with a first arm and a third arm. A hydraulic cylinder can drive a first connecting rod and a second connecting rod to move upwards through a transverse groove rod, clamping of an oxygen bottle is achieved through four clamping plates, thrust of the hydraulic cylinder can be relieved by rotating a pressure release valve, and therefore a first spring and a second spring can pull the first connecting rod and the second connecting rod downwards, so that the four clamping plates release clamping of the oxygen bottle. The rear end of the first supporting leg and the rear end of the second supporting leg are each provided with a universal trundle, the front ends of the first supporting leg and the second supporting leg and the vehicle frame form a rotating pair, the angle positions of the first supporting leg and the second supporting leg can be locked through the first screw and the second screw respectively, and two front supporting wheels are rotationally installed on the front side of the lower end of the vehicle frame and used for achieving translation of the carrying vehicle in the vertical state.

The invention discloses a duplex medical oxygen bottle carrier. Two wheels are installed on the two sides of a frame, three universal trundles are installed on the rear side of the frame, the front ends of four arms in each clamping mechanism are each provided with a clamping plate, the rear sides of the four arms in each clamping mechanism are rotationally connected with a turnover frame, a first connecting rod is rotationally connected with a second arm and a fourth arm, and a second connecting rod is rotationally connected with a third arm and a fourth arm. The second connecting rod is rotationally connected with the first arm and the third arm, the two clamping mechanisms are rotationally connected with the frame, the hydraulic pump communicates with the two hydraulic cylinders, the hydraulic cylinders can stretch by treading a pedal, a transverse groove rod drives the first connecting rod and the second connecting rod to move upwards, and therefore four clamping plates clamp the oxygen bottle; a pressure release valve is treaded to relieve thrust of a hydraulic cylinder, a first spring and a second spring pull a first connecting rod and a second connecting rod downwards, four clamping plates release clamping of the oxygen bottle, a clamping mechanism swings forwards to enable a front supporting wheel to make contact with the ground, and the process of clamping and releasing the oxygen bottle is achieved. After the clamping mechanism swings backwards and is locked, the oxygen bottle can be transferred.

The invention relates to a system for safety detection of working reliability of a mortar projectile series fuze, belonging to the technical field of fuze performance test devices. The system comprises a linear inertia safety analog liberation subsystem for releasing a fuze back seat safety mechanism, and a turbine safety fuze blowing detonation subsystem for releasing a fuze turbine safety mechanism and striking to detonate the fuze. By using the system provided by the invention, the static simulation of the environmental force on the fuze during live firing can be simulated in a test room, so that the basic judgment of the safety release action reliability and ignition reliability of a tested fuze can be finished, and a live firing test can be partially replaced.

The invention discloses an anti-static medical oxygen bottle carrier. Two wheels are installed on the two sides of a vehicle frame, each clamping plate is driven by a parallelogram structure composed of two arms, a first connecting rod, a first arm, a second arm, a fifth arm and a sixth arm form a rotating pair, a second connecting rod, a third arm, a fourth arm, a seventh arm and an eighth arm form a rotating pair. The hydraulic cylinder can drive the first connecting rod and the second connecting rod to move upwards, so that the four clamping plates clamp the oxygen bottle, the pressure relief valve is rotated to relieve the thrust of the hydraulic cylinder, and therefore the first spring and the second spring can pull the first connecting rod and the second connecting rod downwards, so that the four clamping plates release the clamping of the oxygen bottle; the rear end of the first supporting leg and the rear end of the second supporting leg are each provided with a universal trundle, the front ends of the first supporting leg and the second supporting leg and the vehicle frame form a rotating pair, the angle positions of the first supporting leg and the second supporting leg can be locked through the first screw and the second screw respectively, and two front supporting wheels are rotationally installed on the front side of the lower end of the vehicle frame and used for achieving translation of the carrying vehicle in the vertical state.

The invention discloses a convenient-to-operate power cable device. The device comprises a body and an inner cavity arranged in the body and penetrating through the front portion and rear portion of the body; four corners of the bottom of the body are fixedly provided with support legs, the bottom of each support leg is provided with a regulating groove opening downward, a threaded leg is in threaded matched connection in each regulating groove, the bottom of each threaded leg is fixedly provided with a balancing leg, a first concave arc groove is formed in the bottom side wall of the inner cavity, a left sliding groove and a right sliding groove are symmetrically formed in the top of the left side wall of the inner cavity and the upper portion of the right side wall of the inner cavity respectively, and the top side wall of the inner cavity is provided with a communicating groove used for communicating the left sliding groove with the right sliding groove. The device is reasonable instructure, simple to operate and convenient to transport, a power cable can be safely and stably clamped, no power cable skewing phenomenon occurs, subsequent peeling operation of the head of the power cable is thus convenient to conduct, at the same time, power cables different in thickness can be clamped, the cost of power cable clamping and fixing is largely reduced, and the device is suitablefor application and popularization.

Two wheels are installed on the two sides of a vehicle frame, three universal trundles are installed on the rear side of the vehicle frame, each clamping plate is driven by one arm, two clamping mechanisms are rotationally connected with the vehicle frame, and communication of a hydraulic pump and two hydraulic cylinders is controlled through a reversing valve. The extension of the corresponding hydraulic cylinder can be realized by treading the pedal, so that the hydraulic cylinder can drive the first chain and the second chain to rotate through the ejector rod, four clamping plates in the corresponding clamping mechanism can clamp the oxygen bottle, the thrust of the corresponding hydraulic cylinder can be removed by treading the pressure release valve, and the first spring and the second spring can pull the ejector rod downwards, so that the oxygen bottle can be clamped. The four clamping plates release clamping of the oxygen bottle, the clamping mechanism swings forwards so that the front supporting wheel can make contact with the ground, the clamping mechanism is used for clamping and releasing the oxygen bottle, and the clamping mechanism swings backwards and is locked so that the oxygen bottle can be transferred.

The invention relates to a secondary battery bag holder and a transfer device thereof. The secondary battery bag holder includes: a main body; a connecting rod arranged on the main body in a lifting manner; an actuator arranged on the main body for Connecting rod lifting; a pair of clamping rotating bodies are stacked and rotatable in the up and down direction on the rotating shaft of the main body facing downward and arranged side by side with the connecting rod, so as to be located at the end side of the connecting rod, formed on each The supporting protrusions on one side are respectively located on both sides of the end of the connecting rod. If the connecting rod is moved and inserted between the supporting protrusions to increase the distance between the supporting protrusions, it will be rotated to clamp the clamping part provided on the other side. The protruding part of the battery bag; and the elastic member are arranged on the clamping rotating body, so that when the connecting rod returns and disengages from between the supporting protrusions, the clamping part is opened to release the clamping of the protruding part of the battery bag.

The invention belongs to the technical field of a fuse performance testing device and particularly relates to a mortar projectile series fuse linear inertia safety simulating releasing device. The device comprises a protection box body, a driving device arranged in the protection box body, a pre-energy-storage rotary transmission device, and a supporting clamping device which is fixedly arranged on the pre-energy-storage rotary transmission device, wherein the pre-energy-storage rotary transmission device comprises a driving shaft and a driven shaft; an electromagnetic clutch is arranged between the driving shaft and the driven shaft; the driving shaft is provided with an inertia wheel which can be used for storing kinetic energy; and the supporting clamping device comprises a rotary shaft fixing part connected with the driven shaft, and fuse long arm clamping mechanisms, wherein mirror images of the fuse long arm clamping mechanisms are symmetrically arranged at the upper and lower ends of the rotary shaft fixing part. With the adoption of the detection system, the detection and the judgment of a recoil safety mechanism fuse state can be finished under laboratory conditions, and an original shooting test method is partially replaced; and the mortar projectile series fuse linear inertia safety simulating releasing device has the characteristics of reliable effect, simplicity and convenience in operation, high safety and the like, and the requirements on engineering practicability are met.

The invention relates to a high-overload linear inertia force simulating, supporting and clamping device, and belongs to the technical field of fuse performance testing devices. the high-overload linear inertia force simulating, supporting and clamping device comprises a rotating shaft fixing part and fuse long arm clamping mechanisms arranged at the upper end and the lower end of the rotating shaft fixing part in an image manner, a connecting hole used for being fixedly connected with a rotating shaft is formed in the center of the rotating shaft fixing part; each fuse long arm clamping mechanism comprises a connecting arm fixedly connected with the rotating shaft fixing part and a fuse clamping base fixedly arranged at the end part of the connecting arm. The high-overload linear inertia force simulating, supporting and clamping device is fixed at one end of the rotating shaft, the rotating shaft drives the high-overload linear inertia force simulating, supporting and clamping device to instantly rotate at a high speed, so that a specified size of centrifugal force is obtained, a linear inertia force borne by a fuse during emission is simulated, so that a setback arming device of the fuse is eliminated. The high-overload linear inertia force simulating, supporting and clamping device has the characteristics of simple structure, reasonable design, strong universality and the like.

The invention discloses a clamp device for an automobile ABS brake valve, comprising a bottom plate. The bottom end of the bottom plate is provided with a rotating support mechanism, a placing block is fixedly connected to the side wall of the upper end of the bottom plate, a first placing groove is formed in the side wall of the upper end of the placing block, a second placing groove is formed inthe inner wall of the first placing groove, a clamping mechanism is arranged on the placing block, a cylinder is fixedly connected to the side wall of the upper end of the bottom plate, the output end of the cylinder is fixedly connected to a first concave block, and a pressing mechanism is disposed above the placing block. The clamp device for an automobile ABS brake valve has the advantages ofsimple structure, simple operation, time and labor saving, not only clamping the brake valve from the side direction, but also clamping the brake valve from top to bottom, so that the clamping and fixing of the brake valve is more stable. By using the clamp device, the brake valve can be rotated and processed at different angles according to different requirements, thereby improving the processingefficiency of the brake valve.

The invention discloses a new type of power cable device, which comprises a body and an inner cavity arranged in the body and penetrating front and back, feet are fixedly installed on the four corners of the bottom of the body, and each foot bottom is provided with An adjustment slot with the opening facing downwards, the screw matching thread in the adjusting slot is connected with a screw matching foot, the bottom of the screw matching foot is fixedly installed with a balance foot, and the bottom wall of the inner cavity is provided with a first concave arc The top of the left wall of the inner cavity and the upper part of the right wall are respectively provided with a left slide groove and a right slide groove, and the top side wall of the inner cavity is provided with a passage connecting the left slide groove and the right slide groove. The structure of the present invention is reasonable, the operation is simple, the handling is convenient, the clamping of the cable is safe and stable, the cable will not shift, and the peeling operation of the subsequent head of the cable is convenient. At the same time, cables of different thicknesses can be clamped, which greatly reduces the The clamping and fixing cost of the cable is suitable for promotion and use.

The casting production machining equipment comprises a machining table, an upper mounting plate, a front clamping mechanism, a rear clamping mechanism, a left clamping mechanism, a right clamping mechanism and a top plate, and is characterized in that a first X-axis linear guide rail and a second X-axis linear guide rail are arranged on the edges of the front side and the rear side of the upper end face of the machining table correspondingly; a rear clamping mechanism is slidably connected to the first X-axis linear guide rail, a front clamping mechanism is slidably connected to the second X-axis linear guide rail, movable channels are formed in the left portion and the right portion of the machining table correspondingly, and a left clamping mechanism and a right clamping mechanism are movably arranged in the movable channels on the left side and the right side correspondingly. The multi-directional clamping mechanism is arranged so as to cope with workpieces with regular shapes and workpieces with irregular shapes, clamping plates of the irregular workpieces can be conveniently and flexibly inclined, the clamping faces of the clamping plates can be better attached to the outer surfaces of the workpieces, the stable clamping anti-skid performance can be improved, and use is safer and wider.

The invention discloses a fixing device for assisting in processing a mobile phone camera. The fixing device comprises a bottom plate, wherein an inner ring is fixedly connected to the bottom plate, aplurality of clamping plates are rotatably connected to the inner ring through rotating shafts, transmission gears are fixedly arranged on the rotating shafts in a sleeving mode, a rotating ring is concentrically arranged at the periphery of the inner ring, the upper end of the rotating ring is fixedly connected with an inner gear in engaged transmission with the transmission gears, and the periphery of the rotating ring is rotationally connected with a limiting mechanism. When the device is used, the rotating ring is matched with the transmission gears through the inner gear, so that the clamping plates are driven to clamp a machined part and can rotate to adjust the clamping size, the adjusting mode is flexible and convenient, when the device needs to be removed, through upward pullingof the rotating ring and the inner gear, stable movement can be formed by utilizing the limiting mechanism, and therefore the inner gear is separated from the transmission gears, the clamping plates can loosen the machined part, overall control is flexible and convenient, and clamping is stable and safe.

The invention relates to an assembly jig for the steering column lower mounting support of an automobile instrument board beam. The assembly jig comprises a support, wherein vertical plates are arranged on the left side and the right side of the support, lower baffles are arranged on the left side and the right side of the rear part of the support; a lower cylinder parallel to the upper end faces of the vertical plates and the vertical plates at the same time is arranged between the vertical plates, and a lower slideway is formed in the upper end face of each vertical plate; a lower sliding block sleeves each corresponding lower slideway; a lower guide plate parallel to the lower cylinder is arranged above each lower sliding block, and the upper end of each lower sliding block is connected with a lower flat plate; each lower guide plate penetrates through a groove formed in the lower part of the corresponding lower flat plate, the lower part of the front end of each lower flat plate is connected with the cylinder shaft of the lower cylinder in a hinged manner, and the lower end of each lower flat plate is propped against a lower baffle plate. The assembly jig has the advantages of reasonable structural design, convenient in adjustment, safe and stable in clamping, accurate in positioning and the like, and the various types of hole positioning columns and other structures ensure accurate clamping of the jig for an automobile instrument board beam assembly, so that the degree of deformation of the automobile instrument board beam assembly during the welding process is reduced.