A symmetry inspection tool for the ear side of a transmission shaft universal joint

Abstract

The present invention relates to the field of universal joint fork detection, and specifically to a transmission shaft universal joint fork ear side symmetry inspection tool, including a fork ear symmetry detection mechanism including a workbench, the outer wall of the workbench is fixedly connected to a square frame near one side, the outer wall of one end of the square frame is fixedly connected to a path control mechanism, and the outer wall of the path control mechanism is slidably plugged with six pressure detection mechanisms at equal intervals. In the present invention, by placing the fork ear against square plate 2 on the top wall of the square shell, the second motor drives the two square plates 1 to gather toward the middle to clamp and fix the fork ear, the electric telescopic rod drives the clamped fork ear to adjust the height position, the first motor drives the threaded screw to rotate, and drives the clamped fork ear to move to the inside of the U-shaped shell. Through this mechanism, the fork ear can be quickly fixed and the position can be accurately adjusted, so that the fork ear is accurately plugged into the inside of the U-shaped shell without the need for human operation, effectively improving the detection efficiency and accuracy.

Description

Technical Field

[0001] The invention relates to the field of universal joint fork detection, and in particular to a universal joint fork ear side symmetry inspection tool for a transmission shaft. Background Art

[0002] The drive shaft universal joint is a key component in the automobile transmission system, and the symmetry of its fork ears directly affects the transmission efficiency and vehicle driving stability.

[0003] Existing detection methods are generally divided into three categories: the first is manual measurement, which uses traditional measuring tools such as calipers and micrometers for measurement. It relies on the experience and skills of the operator, has low measurement efficiency and limited accuracy. The second is a three-coordinate measuring machine. Although it has high accuracy, it has a slow measurement speed. The third is an image measuring machine, which uses the principle of optical imaging. Although the detection speed is faster than that of a three-coordinate measuring machine, there may be errors in the measurement of complex shapes, affecting the accuracy of the measurement results. These three methods all have relative disadvantages, so a detection device that can ensure both measurement accuracy and measurement efficiency is needed. Summary of the invention

[0004] In order to overcome the above technical problems, the purpose of the present invention is to provide a symmetry inspection tool for the side of the fork ear of a transmission shaft universal joint, wherein the fork ear is placed against the square plate 2 on the top wall of the square shell, the second motor drives the two square plates 1 to gather toward the middle to clamp and fix the fork ear, the electric telescopic rod drives the clamped fork ear to adjust the height position, the first motor drives the threaded screw to rotate, and drives the clamped fork ear to move to the inside of the U-shaped shell, through this mechanism, the fork ear can be quickly fixed and the position can be accurately adjusted, so that the fork ear and the inside of the U-shaped shell are accurately plugged, and no human operation is required, effectively improving the detection efficiency and accuracy, the third motor drives the spur gear to engage with the arc rack or the toothed plate, and drives the roller to move along the trajectory of the arc hole or the square hole 3 close to the outer wall of the fork ear, through this mechanism, the roller can move close to the outer wall of the fork ear, and a comprehensive detection can be performed on the shape and contour of the ears on both sides of the fork ear, especially the ears on both sides have rounded corners or chamfered positions, as long as the position contacted by the roller can be detected, effectively improving the detection accuracy.

[0005] A transmission shaft universal joint fork ear side symmetry inspection tool, comprising a fork ear symmetry inspection mechanism, the fork ear symmetry inspection mechanism comprising a workbench, the outer wall of the workbench is fixedly connected to a square frame near one side, the outer wall of one end of the square frame is fixedly connected to a path control mechanism, and the outer wall of the path control mechanism is slidably plugged with six pressure detection mechanisms at equal intervals;

[0006] The path control mechanism includes a U-shaped shell, the outer wall of the U-shaped shell is fixedly connected to the outer wall of the square frame, the outer wall of the U-shaped shell is provided with square holes one on both sides of the center, the outer wall of the U-shaped shell is fixedly connected with arc frames at both sides of the square hole one, the outer walls of one end of the two arc frames are fixedly connected, and the outsides of the two arc frames are slidably plugged with the pressure detection mechanism.

[0007] Further, the outer walls on both sides and the inner walls on both sides of the U-shaped shell are each provided with a square hole 2, the outer walls of the U-shaped shell are each fixedly connected with a square rod 1 at positions on both sides of the square hole 2, the outer walls of the two square rods 1 are slidably plugged with a pressure detection mechanism, an outer wall on one side of the arc-shaped frame is provided with an arc-shaped hole, the outer wall of the square rod 1 is provided with a square hole 3, the pressure detection mechanism includes a pressure sensor, the outer walls on both sides of the pressure sensor are each fixedly connected with a square rod 2, wherein the outer walls of the square rod 2 of two pressure detection mechanisms are slidably plugged with the inner wall of the arc-shaped hole, and the outer walls of the square rod 2 of the other four pressure detection mechanisms are slidably plugged with the inner wall of the square hole 3.

[0008] Preferably: the outer wall of one end of the square rod 2 is rotatably connected to a spur gear, the inner wall of the arc-shaped hole is fixedly connected to an arc-shaped rack, the outer wall of one side of the square rod is fixedly connected to a toothed plate, wherein the outer walls of the spur gears of two pressure detection mechanisms are meshed with the outer wall of the arc-shaped rack for transmission, the outer walls of the spur gears of the other four pressure detection mechanisms are meshed with the outer wall of the toothed plate for transmission, and the outer wall of the spur gears of one of the pressure detection mechanisms is fixedly connected to the rotating shaft of motor No. 3.

[0009] Preferably: an outer wall of one side of the arc-shaped frame is provided with arc-shaped grooves on both sides of the arc-shaped hole, and the inner walls of the two arc-shaped grooves are slidably connected with the outer wall of the No. 3 motor; a square groove 2 is provided on the outer walls of both sides of the U-shaped shell and the inner walls of both sides near one side, and the inner wall of the square groove 2 is slidably connected with the outer wall of the No. 3 motor.

[0010] Preferably: a U-shaped frame is clamped between the outer walls at one end of the two arc-shaped frames, a hexagonal screw 1 is screwed together between the outer wall of the U-shaped frame and the outer wall of the arc-shaped frame, a T-shaped plate is clamped between the outer walls at one end of the two square rods, and a hexagonal screw 2 is screwed together between the outer wall of the T-shaped plate and the outer wall of the square rod.

[0011] Preferably: the outer wall of one end of the second square rod is fixedly connected with the second telescopic rod, a rotating seat is fixedly connected between the outer walls of the two telescopic rods, and a roller is rotatably connected to the inner wall of the rotating seat.

[0012] Preferably, a spring is fixedly connected to the outer wall of the rotating seat between the two telescopic rods, a gasket is fixedly connected to the outer wall of one end of the spring, and the outer wall of the gasket is slidably plugged into the inner walls of the two telescopic rods.

[0013] Preferably: a square groove 1 is opened at the center of the outer wall of the workbench, a threaded screw is rotatably connected inside the square groove 1, the outer wall of one end of the threaded screw is fixedly connected to the shaft of motor No. 1, the outer wall of motor No. 1 is fixedly connected to the outer wall of the workbench, and the outer wall of the threaded screw is screwed and connected to a T-shaped frame.

[0014] Preferably: the outer wall of the T-shaped frame is fixedly connected to an electric telescopic rod at the center, the outer walls at both ends of the T-shaped frame are fixedly connected to telescopic rods one, a square shell is fixedly connected between the outer walls of the two ends of the telescopic rods one, and the outer wall of one end of the electric telescopic rod is fixedly connected to the bottom wall of the square shell.

[0015] Preferably: a bidirectional threaded rod is rotatably connected inside the square shell, the outer walls of the bidirectional threaded rod are screwed together with square plate one at both sides of the center, the outer wall of one end of the bidirectional threaded rod is fixedly connected to the shaft of motor No. 2, the outer wall of motor No. 2 is fixedly connected to the outer wall of the square shell, and square plate two is fixedly connected to the outer wall of one side of the square shell near the center.

[0016] Beneficial effects of the present invention:

[0017] 1. By placing the fork ear against square plate 2 on the top wall of the square shell, the No. 2 motor drives the two square plates to gather toward the middle to clamp and fix the fork ear, the electric telescopic rod drives the clamped fork ear to adjust the height position, and the No. 1 motor drives the threaded screw to rotate, driving the clamped fork ear to move to the inside of the U-shaped shell. Through this mechanism, the fork ear can be quickly fixed and the position can be accurately adjusted, so that the fork ear and the inside of the U-shaped shell are accurately plugged in, and no human operation is required, which effectively improves the detection efficiency and accuracy.

[0018] 2. The No. 3 motor drives the spur gear to mesh with the arc-shaped rack or toothed plate, and drives the roller to move along the trajectory of the arc-shaped hole or square hole three close to the outer wall of the fork ear. Through this mechanism, the roller can move close to the outer wall of the fork ear, and a comprehensive inspection of the shape and contour of the ears on both sides of the fork ear can be carried out, especially the ears on both sides with rounded corners or chamfers. As long as the position has been touched by the roller, it can be detected, effectively improving the accuracy of the inspection.

[0019] 3. The pressure value of the spring is detected by the pressure sensor to determine whether the shape and contour of the ears at both ends of the fork ear are consistent, effectively improving the accuracy of symmetry detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the structure of the path control mechanism and the pressure detection mechanism in the present invention;

[0023] Figure 3 It is a schematic diagram of the U-shaped shell structure in the present invention;

[0024] Figure 4 It is a schematic diagram of the arc frame structure in the present invention;

[0025] Figure 5 This is a structural schematic diagram of the middle rod of the present invention;

[0026] Figure 6 This is a schematic diagram of the three structures of the square hole in the present invention;

[0027] Figure 7 It is a schematic diagram of the structure of the pressure detection mechanism in the present invention;

[0028] Figure 8 It is a schematic diagram of the workbench structure in the present invention.

[0029] In the figure: 100, fork ear symmetry detection mechanism; 110, workbench; 111, square groove 1; 112, square frame; 113, threaded screw; 114, motor 1; 115, T-shaped frame; 116, electric telescopic rod; 117, telescopic rod 1; 120, square shell; 121, two-way threaded rod; 122, motor 2; 123, square plate 1; 124, square plate 2; 200, path control mechanism; 210, U-shaped shell; 212, square groove 2; 213, square hole 1; 214, square hole 2; 220 , arc frame; 221, arc hole; 222, arc rack; 224, U-shaped frame; 225, hexagonal screw one; 226, arc groove; 230, square rod one; 231, square hole three; 232, tooth plate; 233, T-shaped plate; 234, hexagonal screw two; 300, pressure detection mechanism; 310, pressure sensor; 311, square rod two; 312, telescopic rod two; 313, rotating seat; 314, roller; 315, spur gear; 316, spring; 317, gasket; 320, motor three. DETAILED DESCRIPTION

[0030] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] See also Figure 1-8As shown, a transmission shaft universal joint fork ear side symmetry inspection tool includes a fork ear symmetry inspection mechanism 100, the fork ear symmetry inspection mechanism includes a workbench 110, the outer wall of the workbench 110 is fixedly connected to a square frame 112 near one side, the outer wall of one end of the square frame 112 is fixedly connected to a path control mechanism 200, the outer wall of the path control mechanism 200 is slidably plugged with six pressure detection mechanisms 300 at equal intervals, the path control mechanism 200 includes a U-shaped shell 210, the outer wall of the U-shaped shell 210 is fixedly connected to the outer wall of the square frame 112, the outer wall of the U-shaped shell 210 is provided with square holes 213 on both sides of the center, the outer wall of the U-shaped shell 210 is fixedly connected to arc frames 220 near both sides of the square hole 213, the outer walls of one end of the two arc frames 220 are fixedly connected, and the outer walls of the two arc frames 220 are fixedly connected. The U-shaped shell 210 is slidably connected with the pressure detection mechanism 300 between the two parts, the outer walls on both sides and the inner walls on both sides are provided with square holes 214, the outer walls of the U-shaped shell 210 are fixedly connected with square rods 1 230 at positions on both sides of the square holes 214, the outer walls of the two square rods 1 230 are slidably connected with the pressure detection mechanism 300, an arc hole 221 is provided on the outer wall of one side of the arc frame 220, and a square hole three 231 is provided on the outer wall of the square rod 1 230. The pressure detection mechanism 300 includes a pressure sensor 310, and the outer walls on both sides of the pressure sensor 310 are fixedly connected with square rods 2 311, wherein the outer walls of the square rods 2 311 of two pressure detection mechanisms 300 are slidably connected with the inner walls of the arc hole 221, and the outer walls of the square rods 2 311 of the other four pressure detection mechanisms 300 are slidably connected with the inner walls of the square hole three 231.

[0032] The outer wall of one end of the square rod 2 311 is rotatably connected with a spur gear 315, the inner wall of the arc hole 221 is fixedly connected with an arc rack 222, and the outer wall of one side of the square rod 1 230 is fixedly connected with a toothed plate 232, wherein the outer walls of the spur gears 315 of two pressure detection mechanisms 300 are meshed with the outer walls of the arc rack 222 for transmission, and the outer walls of the spur gears 315 of the other four pressure detection mechanisms 300 are meshed with the outer walls of the toothed plate 232 for transmission, and the outer wall of one of the spur gears 315 of a pressure detection mechanism 300 is fixedly connected with the rotating shaft of the third motor 320, and the outer wall of one side of the arc frame 220 is provided with arc grooves 226 on both sides of the arc hole 221, and the inner walls of the two arc grooves 226 are slidably plugged with the outer wall of the third motor 320, U Square grooves 212 are provided on the outer walls on both sides and the inner walls on both sides near one side. The inner part of the square grooves 212 is slidably plugged with the outer wall of the third motor 320. A U-shaped frame 224 is clamped between the outer walls at one end of the two arc-shaped frames 220. A hexagonal screw 225 is screwed and connected between the outer wall of the U-shaped frame 224 and the outer wall of the arc-shaped frame 220. A T-shaped plate 233 is clamped between the outer walls at one end of the two square rods 230. A hexagonal screw 234 is screwed and connected between the outer wall of the T-shaped plate 233 and the outer wall of the square rod 230. A telescopic rod 2 312 is fixedly connected to the outer wall of one end of the square rod 2 311. A rotating seat 313 is fixedly connected between the outer walls of the two telescopic rods 2 312. A roller 314 is rotatably connected to the inner wall of the rotating seat 313.

[0033] The outer wall of the rotating seat 313 is fixedly connected with a spring 316 between the two telescopic rods 312, and a gasket 317 is fixedly connected to the outer wall of one end of the spring 316. The outer wall of the gasket 317 is slidably inserted between the inner walls of the two telescopic rods 312. A square groove 111 is opened at the center of the outer wall of the workbench 110. A threaded screw 113 is rotatably connected inside the square groove 111. The outer wall of one end of the threaded screw 113 is fixedly connected to the shaft of the No. 1 motor 114. The outer wall of the No. 1 motor 114 is fixedly connected to the outer wall of the workbench 110. The outer wall of the threaded screw 113 is screwed and connected with a T-shaped frame 115. The outer wall of the T-shaped frame 115 is fixedly connected at the center. The outer walls of both ends of the electric telescopic rod 116 and the T-shaped frame 115 are fixedly connected with a telescopic rod 117, and a square shell 120 is fixedly connected between the outer walls of one end of the two telescopic rods 117. The outer wall of one end of the electric telescopic rod 116 is fixedly connected to the bottom wall of the square shell 120. A two-way threaded rod 121 is rotatably connected inside the square shell 120. The outer walls of the two-way threaded rod 121 are screwed together with square plates 123 at both sides of the center. The outer wall of one end of the two-way threaded rod 121 is fixedly connected to the rotating shaft of the second motor 122. The outer wall of the second motor 122 is fixedly connected to the outer wall of the square shell 120, and a square plate 2 124 is fixedly connected to the outer wall of one side of the square shell 120 near the center.

[0034] Specifically, during operation, the personnel place the fork ear against the square plate 2 124 on the top wall of the square shell 120, the No. 2 motor 122 drives the bidirectional threaded rod 121 to rotate, driving the two square plates 1 123 to gather toward the middle, clamping and fixing the fork ear, the electric telescopic rod 116 drives the clamped fork ear to rise and fall to the specified position, the No. 1 motor 114 drives the threaded screw 113 to rotate, driving the clamped fork ear to move to the inside of the U-shaped shell 210, the outer wall of the fork ear contacts the roller 314, and the outer wall of the roller 314 is rebounded by the spring 316 and is tightly against the outer wall of the fork ear. The third motor 320 drives the spur gear 315 to mesh with the arc rack 222 or the tooth plate 232, and drives the roller 314 to move along the trajectory of the arc hole 221 or the square hole 231 close to the outer wall of the fork ear. The pressure sensor 310 can adopt the EVT-10G series small S-type sensor. The roller 314 will squeeze one end of the spring 316 during movement. The spring 316 will be squeezed so that the gasket 317 will squeeze one end of the pressure sensor 310. The pressure value of the spring 316 is detected by the pressure sensor 310 to determine whether the ear shapes and contours at both ends of the fork ear are consistent.

[0035] Embodiment 1

[0036] like Figure 2-7As shown, in this embodiment, the path control mechanism 200 includes a U-shaped shell 210, the outer wall of the U-shaped shell 210 is fixedly connected to the outer wall of the square frame 112, the outer wall of the U-shaped shell 210 is provided with a square hole 213 at both sides of the center, the outer wall of the U-shaped shell 210 is fixedly connected with an arc frame 220 at both sides of the square hole 213, the outer walls of one end of the two arc frames 220 are fixedly connected, the outsides of the two arc frames 220 are slidably plugged with the pressure detection mechanism 300, the outer walls and inner walls of both sides of the U-shaped shell 210 are provided with a square hole 214, and the outer wall of the U-shaped shell 210 is fixedly connected with the outer wall of the two sides of the pressure detection mechanism 300. The wall is fixedly connected with square rods 1 230 at both sides of the square hole 214, and the outer walls of the two square rods 1 230 are slidably plugged with the pressure detection mechanism 300. An arc hole 221 is opened on the outer wall of one side of the arc frame 220, and a square hole 3 231 is opened on the outer wall of the square rod 1 230. The pressure detection mechanism 300 includes a pressure sensor 310, and the outer walls of both sides of the pressure sensor 310 are fixedly connected with square rods 2 311, wherein the outer walls of the square rods 2 311 of the two pressure detection mechanisms 300 are slidably plugged with the inner wall of the arc hole 221, and the square rods of the other four pressure detection mechanisms 300 are fixedly connected with the outer walls of the square rods 2 311 of the two pressure detection mechanisms 300. The outer wall of the second 311 is slidably plugged with the inner wall of the square hole three 231, the outer wall of one end of the square rod two 311 is rotatably connected with a spur gear 315, the inner wall of the arc hole 221 is fixedly connected with an arc rack 222, and the outer wall of one side of the square rod one 230 is fixedly connected with a toothed plate 232, wherein the outer walls of the spur gears 315 of two pressure detection mechanisms 300 are meshed with the outer walls of the arc rack 222 for transmission, the outer walls of the spur gears 315 of the other four pressure detection mechanisms 300 are meshed with the outer walls of the toothed plate 232 for transmission, and the outer wall of one of the spur gears 315 of a pressure detection mechanism 300 is fixedly connected with a No. 3 motor The U-shaped shell 210 has a rotating shaft 320, and the outer wall of one side of the arc frame 220 is provided with arc grooves 226 on both sides of the arc hole 221, and the inner walls of the two arc grooves 226 are slidably connected with the outer wall of the third motor 320. The outer walls of both sides of the U-shaped shell 210 and the inner walls of both sides are close to one side. The inside of the square groove 212 is slidably connected with the outer wall of the third motor 320, and the outer wall of one end of the square rod 2 311 is fixedly connected with the telescopic rod 2 312, and a rotating seat 313 is fixedly connected between the outer walls of the two telescopic rods 2 312, and the inner wall of the rotating seat 313 is rotatably connected with a roller 314.

[0037] In this embodiment, the third motor 320 drives the spur gear 315 to engage with the arc-shaped rack 222 or the tooth plate 232, and drives the roller 314 to move along the trajectory of the arc-shaped hole 221 or the square hole 231 close to the outer wall of the fork ear. Through this mechanism, the roller 314 can move close to the outer wall of the fork ear, and a comprehensive detection of the shape and contour of the ears on both sides of the fork ear can be performed, especially the ears on both sides have rounded corners or chamfered positions. As long as the position has been touched by the roller 314, it can be detected, thereby effectively improving the accuracy of the detection.

[0038] like Figure 7As shown, in this embodiment, the outer wall of the rotating seat 313 is located between the two telescopic rods 312 and is fixedly connected to a spring 316, and the outer wall of one end of the spring 316 is fixedly connected to a gasket 317, and the outer wall of the gasket 317 is slidably inserted between the inner walls of the two telescopic rods 312, a U-shaped frame 224 is clamped between the outer walls of one end of the two arc-shaped frames 220, and a hexagonal screw 225 is screwed and connected between the outer wall of the U-shaped frame 224 and the outer wall of the arc-shaped frame 220, and a T-shaped plate 233 is clamped between the outer walls of one end of the two square rods 230, and a hexagonal screw 234 is screwed and connected between the outer wall of the T-shaped plate 233 and the outer wall of the square rod 230.

[0039] In specific implementation, the pressure sensor 310 can adopt the EVT-10G series small S-shaped sensor. The roller 314 will squeeze one end of the spring 316 during movement. The squeezing of the spring 316 will cause the gasket 317 to squeeze one end of the pressure sensor 310. The pressure value of the spring 316 is detected by the pressure sensor 310 to determine whether the ear shapes and contours at both ends of the fork ear are consistent, thereby effectively improving the accuracy of symmetry detection. When the spring 316 is inactivated due to long-term use, one end of the arc frame 220 is separated from the U-shaped frame 224 or one end of the square rod 230 is separated from the T-shaped plate 233 by twisting the hexagonal screw 225 or the hexagonal screw 234, so that personnel can take out the spring 316 for replacement, thereby effectively improving the convenience of maintenance.

[0040] Embodiment 2

[0041] like Figure 8 As shown, the outer wall of the workbench 110 is provided with a square groove 111 at the center, and a threaded screw 113 is rotatably connected inside the square groove 111. The outer wall of one end of the threaded screw 113 is fixedly connected to the shaft of a No. 1 motor 114. The outer wall of the No. 1 motor 114 is fixedly connected to the outer wall of the workbench 110. The outer wall of the threaded screw 113 is screwed and connected to a T-shaped frame 115. The outer wall of the T-shaped frame 115 is fixedly connected to an electric telescopic rod 116 at the center, and the outer walls of both ends of the T-shaped frame 115 are fixedly connected to a telescopic rod 117. The two telescopic rods A square shell 120 is fixedly connected between the outer walls at one end of one 117, the outer wall at one end of the electric telescopic rod 116 is fixedly connected to the bottom wall of the square shell 120, a two-way threaded rod 121 is rotatably connected inside the square shell 120, the outer walls of the two-way threaded rod 121 are screwed together with square plates 123 at both sides of the center, the outer wall of one end of the two-way threaded rod 121 is fixedly connected to the shaft of the second motor 122, the outer wall of the second motor 122 is fixedly connected to the outer wall of the square shell 120, and a square plate 2 124 is fixedly connected to the outer wall of one side of the square shell 120 near the center.

[0042] During the specific implementation, the personnel place the fork ear against the square plate 2 124 on the top wall of the square shell 120, the No. 2 motor 122 drives the bidirectional threaded rod 121 to rotate, driving the two square plates 1 123 to gather toward the middle, clamping and fixing the fork ear, the electric telescopic rod 116 drives the clamped fork ear to rise and fall to the specified position, the No. 1 motor 114 drives the threaded screw 113 to rotate, driving the clamped fork ear to move to the inside of the U-shaped shell 210, and the fork ear can be quickly fixed and the position can be accurately adjusted through this mechanism, so that the fork ear and the inside of the U-shaped shell 210 are accurately plugged in without the need for human operation, effectively improving the detection efficiency and accuracy.

[0043] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific characteristic structure materials or features described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific characteristic structure materials or features described can be combined in any one or more embodiments or examples in a suitable manner.

[0044] The above contents are merely examples and explanations of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the invention or exceed the scope defined by the claims, they shall all fall within the protection scope of the present invention.

Claims

1. A transmission shaft universal joint fork ear side symmetry inspection tool, characterized in that: The fork ear symmetry detection mechanism (100) comprises a workbench (110), a square frame (112) is fixedly connected to the outer wall of the workbench (110) near one side, a path control mechanism (200) is fixedly connected to the outer wall of one end of the square frame (112), and six pressure detection mechanisms (300) are slidably plugged at equal intervals on the outer wall of the path control mechanism (200); The path control mechanism (200) comprises a U-shaped shell (210), the outer wall of the U-shaped shell (210) is fixedly connected to the outer wall of the square frame (112), the outer wall of the U-shaped shell (210) is provided with square holes (213) at both sides of the center, the outer wall of the U-shaped shell (210) is fixedly connected to arc frames (220) at both sides of the square hole (213), the outer walls of one end of the two arc frames (220) are fixedly connected, and the outsides of the two arc frames (220) are slidably plugged with the pressure detection mechanism (300); The outer walls on both sides of the U-shaped shell (210) and the inner walls on both sides are provided with square holes (214), the outer walls of the U-shaped shell (210) are fixedly connected with square rods (230) at positions on both sides of the square holes (214), the outer walls of the two square rods (230) are slidably plugged with the pressure detection mechanism (300), the outer wall of one side of the arc-shaped frame (220) is provided with an arc-shaped hole (221), the outer wall of the square rod (230) is provided with a square hole (231), the pressure detection mechanism (300) comprises a pressure sensor (310), the outer walls on both sides of the pressure sensor (310) are fixedly connected with square rods (311), the outer walls of the square rods (311) of two pressure detection mechanisms (300) are slidably plugged with the inner walls of the arc-shaped holes (221), and the outer walls of the square rods (311) of the other four pressure detection mechanisms (300) are slidably plugged with the inner walls of the square holes (231).

2. A transmission shaft universal joint fork ear side symmetry inspection tool according to claim 1, characterized in that: The outer wall of one end of the square rod 2 (311) is rotatably connected to a spur gear (315), the inner wall of the arc-shaped hole (221) is fixedly connected to an arc-shaped rack (222), and the outer wall of one side of the square rod 1 (230) is fixedly connected to a toothed plate (232), wherein the outer walls of the spur gears (315) of two pressure detection mechanisms (300) mesh with the outer walls of the arc-shaped rack (222) for transmission, and the outer walls of the spur gears (315) of the other four pressure detection mechanisms (300) mesh with the outer walls of the toothed plate (232) for transmission, and the outer wall of one of the spur gears (315) of one pressure detection mechanism (300) is fixedly connected to the rotating shaft of the third motor (320).

3. A transmission shaft universal joint fork ear side symmetry inspection tool according to claim 2, characterized in that: The outer wall of one side of the arc-shaped frame (220) is provided with arc-shaped grooves (226) at both sides of the arc-shaped hole (221), and the inner walls of the two arc-shaped grooves (226) are slidably plugged with the outer wall of the third motor (320). The outer walls of both sides of the U-shaped shell (210) and the inner walls of both sides are provided with square grooves (212) at positions close to one side, and the interior of the square grooves (212) is slidably plugged with the outer wall of the third motor (320).

4. A transmission shaft universal joint fork ear side symmetry inspection tool according to claim 3, characterized in that: A U-shaped frame (224) is clamped between the outer walls at one end of the two arc-shaped frames (220), a hexagonal screw rod (225) is screwed and connected between the outer wall of the U-shaped frame (224) and the outer wall of the arc-shaped frame (220), a T-shaped plate (233) is clamped between the outer walls at one end of the two square rods (230), and a hexagonal screw rod (234) is screwed and connected between the outer wall of the T-shaped plate (233) and the outer wall of the square rod (230).

5. A transmission shaft universal joint fork ear side symmetry inspection tool according to claim 4, characterized in that: The outer wall of one end of the second square rod (311) is fixedly connected to the second telescopic rod (312), a rotating seat (313) is fixedly connected between the outer walls of the two second telescopic rods (312), and a roller (314) is rotatably connected to the inner wall of the rotating seat (313).

6. A transmission shaft universal joint fork ear side symmetry inspection tool according to claim 5, characterized in that: The outer wall of the rotating seat (313) is fixedly connected with a spring (316) between the two telescopic rods (312); the outer wall of one end of the spring (316) is fixedly connected with a gasket (317); the outer wall of the gasket (317) is slidably plugged into the inner walls of the two telescopic rods (312).

7. A transmission shaft universal joint fork ear side symmetry inspection tool according to claim 6, characterized in that: A square groove (111) is provided at the center of the outer wall of the workbench (110), a threaded screw (113) is rotatably connected inside the square groove (111), an outer wall at one end of the threaded screw (113) is fixedly connected to a rotating shaft of a No. 1 motor (114), an outer wall of the No. 1 motor (114) is fixedly connected to the outer wall of the workbench (110), and a T-shaped frame (115) is screwed and connected to the outer wall of the threaded screw (113).

8. A transmission shaft universal joint fork ear side symmetry inspection tool according to claim 7, characterized in that: An electric telescopic rod (116) is fixedly connected to the outer wall of the T-shaped frame (115) at the center, and telescopic rods (117) are fixedly connected to the outer walls at both ends of the T-shaped frame (115). A square shell (120) is fixedly connected between the outer walls at one end of the two telescopic rods (117), and the outer wall at one end of the electric telescopic rod (116) is fixedly connected to the bottom wall of the square shell (120).

9. A transmission shaft universal joint fork ear side symmetry inspection tool according to claim 8, characterized in that: A bidirectional threaded rod (121) is rotatably connected inside the square shell (120); the outer wall of the bidirectional threaded rod (121) is screwedly connected to a square plate 1 (123) at both sides of the center; the outer wall of one end of the bidirectional threaded rod (121) is fixedly connected to the shaft of a second motor (122); the outer wall of the second motor (122) is fixedly connected to the outer wall of the square shell (120); and a square plate 2 (124) is fixedly connected to the outer wall of one side of the square shell (120) near the center.

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