New energy automobile part test workbench

Abstract

The utility model relates to the technical field of new energy automobile test equipment, in particular to a new energy automobile part test workbench which comprises a workbench body, a fixing mechanism and a detection mechanism, two rectangular holes are formed in one end of the top of the workbench body, and a rectangular groove is formed in one end of the top of the workbench body; two round holes are formed in the inner bottom face of the rectangular groove, the top of the workbench body is fixedly connected with a fixing frame, and the fixing mechanism is fixedly connected to one end of the workbench body. According to the utility model, the fixing mechanism is fixedly connected to one end of the workbench body, the four positioning shells are moved by starting the motor I and the motor II, and the heights of the bearing plate and the motor on the bearing plate are conveniently adjusted by starting the electric push rod, so that the four positioning shells are used for limiting and covering the four corners of the motor base; and by adjusting the positions of the four positioning shells, the fixing mechanism can fix the motors of different specifications.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy vehicle testing equipment, in particular to a new energy vehicle parts testing workbench. Background Art

[0002] New energy vehicles refer to vehicles that use unconventional automotive fuels as their power source (or use conventional automotive fuels and adopt new on-board power devices), and integrate advanced technologies in vehicle power control and drive to form vehicles with advanced technical principles, new technologies, and new structures. New energy vehicles include pure electric vehicles, extended-range electric vehicles, hybrid vehicles, fuel cell electric vehicles, hydrogen engine vehicles, and other new energy vehicles. The motor is a very important part in the automotive industry. The operation of the motor can make the car move. The quality of the motor is directly related to the life and performance of the car. Therefore, the new energy vehicle motor is tested after production is completed, but the existing motor testing equipment has a relatively single detection function and is generally not applicable to new energy vehicle motors of different specifications, and its practicality is poor. Utility Model Content

[0003] The purpose of the present invention is to provide a new energy vehicle parts testing workbench to solve the problems raised in the above background technology.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A new energy vehicle parts testing workbench, comprising:

[0006] A workbench body, wherein one end of the top of the workbench body is provided with two rectangular holes, one end of the top of the workbench body is provided with a rectangular groove, and the inner bottom surface of the rectangular groove is provided with two circular holes, and the top of the workbench body is fixedly connected with a fixing frame;

[0007] A fixing mechanism, fixedly connected to one end of the workbench body;

[0008] The detection mechanism is fixed inside the fixing frame.

[0009] Furthermore, the fixing mechanism includes:

[0010] A rectangular shell, the top of which is fixedly connected to the bottom of the workbench body, and a support assembly is provided inside the rectangular shell;

[0011] Motor 1 is fixedly connected to an inner side wall of the rectangular housing at one end. A bidirectional screw rod 1 is fixedly connected to the output end of Motor 1. A fixing block 1 is sleeved and fixed at the middle position of the bidirectional screw rod 1, and the top of the fixing block 1 is fixedly connected to the workbench body. Both ends of the bidirectional screw rod 1 are threadedly connected with moving blocks 1, and rectangular tubes are fixedly connected to both ends of the moving blocks 1;

[0012] Four U-shaped rods are respectively slidably connected to the inside of the rectangular tubes at corresponding positions. A displacement component is provided at the bottom of the four U-shaped rods;

[0013] Four positioning housings are respectively at the tops of the other ends of the four U-shaped rods.

[0014] Preferably, the displacement component includes:

[0015] A support housing is fixedly connected to the inner side wall of the rectangular housing on its outer side wall. One end of the support housing is slidably connected with a first limiting housing at the top, and two first limiting blocks are fixedly connected to both ends inside the first limiting housing. The top of the first limiting block is fixedly connected to the U-shaped rod at the corresponding position;

[0016] Motor 2 is fixedly connected inside the rectangular housing. A bidirectional screw rod 2 is fixedly connected to the output end of Motor 2. A fixing block 2 is sleeved and fixed at the middle position of the bidirectional screw rod 2, and the bottom of the fixing block 2 is fixedly connected to the inner bottom surface of the rectangular housing. Both ends of the fixing block 2 are threadedly connected with moving blocks 2, and the top of the moving block 2 is fixedly connected to the bottom of the first limiting housing at the corresponding position.[[ID=十六]] [[ID=十七]]

[0017] Preferably, the support component includes:

[0018] A bearing plate is slidably connected to the inside of the rectangular groove;

[0019] An electric push rod is fixedly connected to the inner bottom surface of the rectangular housing at the bottom. A U-shaped plate is fixedly connected to the output end of the electric push rod, and round rods are fixedly connected to both ends at the top of the U-shaped plate. The round rods are respectively slidably connected to the corresponding round holes, and the top of the round rod is fixedly connected to the bottom of the bearing plate.

[0020] Furthermore, the detection mechanism includes:

[0021] A connecting plate is fixedly connected to the inner top surface of the fixing frame at the top. A limiting component is provided on one inner side wall of the connecting plate;

[0022] Two second limiting housings are fixedly connected to the inner top surface of the connecting plate at the top;

[0023] A movable shell is arranged inside the connecting plate, an inner top surface of the movable shell is fixedly connected to a first oil cylinder, and an output end of the first oil cylinder is fixedly connected to a fixed plate, both ends of the inner top surface of the movable shell are fixedly connected to a telescopic rod, and the bottom of the telescopic rod is fixedly connected to the top of the fixed plate, a counterweight assembly is provided at the bottom of the fixed plate, both ends of the movable shell are fixedly connected to a second limit block, and the second limit block is slidably connected to the inner portion of the second limit shell at a corresponding position;

[0024] One end of the oil cylinder 2 is fixedly connected to the other inner side wall of the connecting plate, and the output end of the oil cylinder 2 is fixedly connected to one side of the moving shell.

[0025] Preferably, the counterweight assembly includes:

[0026] An annular shell is rotatably connected to the bottom of the fixed plate, a circular plate is fixedly connected to one side of the annular shell, and a rectangular rod is fixedly connected to the middle position of one side of the circular plate;

[0027] A circular tube, the outer wall of which is fixedly connected to the annular shell, and the outer wall of the circular tube is provided with a sliding hole;

[0028] Motor 3, one end of which is fixedly connected to the inner side wall of the annular shell, the output end of the motor 3 is fixedly connected to a screw, and the outer side wall of the screw is screwedly connected to a movable plate, the movable plate is slidably connected to the inside of the sliding hole, one end of the movable plate is fixedly connected to a positioning plate, and the positioning plate is located inside the circular tube;

[0029] A plurality of counterweight blocks are all slidably connected to the outer sides of the rectangular rod.

[0030] Preferably, the limiting assembly includes a cylinder three, one end of which is fixedly connected to an inner wall of the connecting plate, the output end of the cylinder three is fixedly connected to a connecting rod, and the bottom of the connecting rod is fixedly connected to a connecting block, and one end of the connecting block is rotatably connected to a rotating ball.

[0031] Compared with the prior art, the beneficial effects of the present invention are:

[0032] 1. A fixing mechanism is fixedly connected to one end of the workbench body, and by starting motor one and motor two, the four positioning shells are moved, and by starting the electric push rod, it is convenient to adjust the height of the load-bearing plate and the motor thereon, so that the four positioning shells limit and cover the four corners of the motor base, thereby fixing the motor, and by adjusting the positions of the four positioning shells, the fixing mechanism can fix motors of different specifications, and then by starting cylinder one, cylinder two and motor three, the positioning plate can be engaged with the keyway on the motor drive shaft. When the motor rotates, the motor needs to drive the counterweight assembly to rotate, and by adjusting the number of counterweight blocks, it is convenient to detect the parameters of the motor under different loads, and the operation is simpler and more convenient, thereby improving the practicality of the new energy vehicle component test workbench. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0034] Figure 2 is a schematic diagram of the structure of the workbench body in the present utility model;

[0035] Figure 3 is a schematic diagram of the structure of the fixing mechanism in the present utility model;

[0036] Figure 4 is a schematic diagram of the positional relationship between the C-shaped rod and the positioning shell in the present utility model; <^

[0037] Figure 5 is a schematic diagram of the positional relationship between the bearing plate and the round rod in the present utility model;

[0038] Figure 6 is a schematic diagram of the structure of the detection mechanism in the present utility model;

[0039] Figure 7 is a schematic diagram of the positional relationship between the annular shell and the round tube in the present utility model;

[0040] Figure 8 is a schematic diagram of the positional relationship between the rectangular rod and the counterweight in the present utility model.

[0041] In the figure: 100, workbench body; 101, rectangular hole; 102, rectangular groove; 103, round hole; 110, fixing frame; 200, fixing mechanism; 210, rectangular shell; 220, bearing plate; 230, motor one; 231, bidirectional screw one; 232, fixing block one; 233, moving block one; 234, rectangular tube; 240, C-shaped rod; 250, positioning shell; 260, support shell; 261, limiting shell one; 262, limiting block one; 270, motor two; 271, bidirectional screw two; 272, fixing block two; 273, moving block two; 280, electric push rod; 281, C-shaped plate; 282, round rod; 300, detection mechanism; 310, connecting plate; 320, limiting shell two; 330, moving shell; 331, oil cylinder one; 332, telescopic rod; 333, fixing plate; 334, limiting block two; 340, oil cylinder two; 350, annular shell; 351, round plate; 352, rectangular rod; 360, oil cylinder three; 361, connecting rod; 362, connecting block; ۳63, rotating ball; 370, round tube; 371, sliding hole; 380, motor three; ۳81, screw rod; 382, moving plate; 383, positioning plate; 390, counterweight. SPECIFIC EMBODIMENTS

[0042] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0043] See also Figure 1-8 In an embodiment of the present utility model, a new energy vehicle component testing workbench includes: a workbench body 100, a fixing mechanism 200 and a detection mechanism 300. Two rectangular holes 101 are provided at one end of the top of the workbench body 100, a rectangular groove 102 is provided at one end of the top of the workbench body 100, and two circular holes 103 are provided on the inner bottom surface of the rectangular groove 102. A fixing frame 110 is fixedly connected to the top of the workbench body 100, the fixing mechanism 200 is fixedly connected to one end of the workbench body 100, and the detection mechanism 300 is fixed to the inside of the fixing frame 110.

[0044] Specifically, the fixing mechanism 200 is used to fix new energy vehicle motors of different specifications, and the detection mechanism 300 is used to detect the performance of the new energy vehicle motor under different loads, making the detection more convenient.

[0045] Example 1

[0046] like Figure 3-5As shown in the figure, in this embodiment, the fixing mechanism 200 includes: a rectangular shell 210, a first motor 230, four U-shaped rods 240 and four positioning shells 250. The top of the rectangular shell 210 is fixedly connected to the bottom of the workbench body 100. A support component is arranged inside the rectangular shell 210. One end of the first motor 230 is fixedly connected to an inner side wall of the rectangular shell 210. The output end of the first motor 230 is fixedly connected to a first bidirectional screw rod 231. A first fixing block 232 is sleeved and fixed at the middle position of the first bidirectional screw rod 231, and the top of the first fixing block 232 is fixedly connected to the workbench body 100. Both ends of the first bidirectional screw rod 231 are threadedly connected with first moving blocks 233, and rectangular tubes 234 are fixedly connected to both ends of the first moving blocks 233. One ends of the four U-shaped rods 240 are respectively slidably connected to the inside of the rectangular tubes 234 at corresponding positions. A displacement component is arranged at the bottom of the four U-shaped rods 240. The four positioning shells 250 are respectively at the tops of the other ends of the four U-shaped rods 240. The displacement component includes: a support shell 260 and a second motor 270. The outer side wall of the support shell 260 is fixedly connected to the inner side wall of the rectangular shell 210. The tops of both ends of the support shell 260 are slidably connected with first limiting shells 261, and first limiting blocks 262 are fixedly connected to both ends inside the first limiting shells 261. The tops of the first limiting blocks 262 are fixedly connected to the U-shaped rods 240 at corresponding positions. The second motor 270 is fixedly connected to the inside of the rectangular shell 210. The output end of the second motor 270 is fixedly connected to a second bidirectional screw rod 271. A second fixing block 272 is sleeved and fixed at the middle position of the second bidirectional screw rod 271, and the bottom of the second fixing block 272 is fixedly connected to the inner bottom surface of the rectangular shell 210. Both ends of the second fixing block 272 are threadedly connected with second moving blocks 273, and the tops of the second moving blocks 273 are fixedly connected to the bottoms of the first limiting shells 261 at corresponding positions. <000,0108>In this embodiment, by placing the motor on the support component and starting the first motor 230, the first bidirectional screw rod 231 rotates, so that the first moving blocks 233, the rectangular tubes 234, the U-shaped rods 240 and the positioning shells 250 move. By starting the second motor 270, the second bidirectional screw rod 271 rotates, so that the second moving blocks 273, the first limiting shells 26' and the first limiting blocks 262 move, and further the U-shaped rods 240 and the positioning shells 250 move again. The four positioning shells 250 at appropriate positions limit and cover the four corners of the motor base, so as to limit and fix the motor. By adjusting the positions of the four positioning shells 250, the fixing mechanism 200 can fix motors of different specifications, and the parameters of the fixed motors are detected, making it more convenient to use.

[0048] As Figure 5As shown in the figure, in this embodiment, the support component includes a bearing plate 220 and an electric push rod 280. The bearing plate 220 is slidably connected to the inside of the rectangular groove 102. The bottom of the electric push rod 280 is fixedly connected to the inner bottom surface of the rectangular shell 210. The output end of the electric push rod 280 is fixedly connected with a U-shaped plate 281, and both ends of the top of the U-shaped plate 281 are fixedly connected with round rods 282. The round rods 282 are respectively slidably connected to the round holes 103 at the corresponding positions, and the top of the round rod 282 is fixedly connected to the bottom of the bearing plate 220.

[0049] During specific implementation, the bearing plate 220 is used to facilitate the bearing of the motor. By starting the electric push rod 280, it is convenient to adjust the height of the U-shaped plate 281 and the round rod 282, and then convenient to adjust the height of the bearing plate 220 and the motor thereon, so that the top of the motor base contacts the inner top surfaces of the four positioning shells 250, thereby improving the fixing effect of the fixing mechanism 200 on the motor.

[0050] Embodiment Two

[0051] On the basis of Embodiment One, in order to facilitate the detection of the parameters of the motor when rotating under different loads, so as to detect the performance of the motor.

[0052] Such as Figure 5As shown, in this embodiment, the detection mechanism 300 includes: a connecting plate 310, two limiting shells 320, a movable shell 330 and a second oil cylinder 340. The top of the connecting plate 310 is fixedly connected to the inner top surface of the fixed frame 110. An inner side wall of the connecting plate 310 is provided with a limiting component. The tops of the two limiting shells 320 are fixedly connected to the inner top surface of the connecting plate 310. The movable shell 330 is arranged inside the connecting plate 310. The inner top surface of the movable shell 330 is fixedly connected to the oil cylinder 1 331, and the output end of the oil cylinder 1 331 is fixedly connected to the fixed plate 333. The two ends of the inner top surface of the moving shell 330 are fixedly connected with a telescopic rod 332, and the bottom of the telescopic rod 332 is fixedly connected to the top of the fixed plate 333. The bottom of the fixed plate 333 is provided with a counterweight assembly. The two ends of the moving shell 330 are fixedly connected to the limit block 2 334, and the limit block 2 334 is slidably connected to the inner side of the limit shell 2 320 at the corresponding position. One end of the oil cylinder 2 340 is fixedly connected to the other inner side wall of the connecting plate 310, and the output end of the oil cylinder 2 340 is fixedly connected to one side of the moving shell 330. The counterweight assembly includes: an annular shell 350, a round tube 370, an electric The third motor 380 and multiple counterweights 390, the annular shell 350 is rotatably connected to the bottom of the fixed plate 333, a circular plate 351 is fixedly connected to one side of the annular shell 350, and a rectangular rod 352 is fixedly connected to the middle position of one side of the circular plate 351, the outer wall of the circular tube 370 is fixedly connected to the annular shell 350, and a sliding hole 371 is opened on the outer wall of the circular tube 370, one end of the third motor 380 is fixedly connected to the inner wall of the annular shell 350, and a screw 381 is fixedly connected to the output end of the third motor 380, and the outer wall of the screw 381 is screwed and connected to the movable plate 382. The movable plate 382 is slidably connected to the inside of the sliding hole 371, and one end of the movable plate 382 is fixedly connected to the positioning plate 383, and the positioning plate 383 is located inside the circular tube 370. Multiple counterweights 390 are all slidably connected to the outside of the rectangular rod 352. The limiting assembly includes a cylinder three 360, and one end of the cylinder three 360 ​​is fixedly connected to an inner wall of the connecting plate 310. The output end of the cylinder three 360 ​​is fixedly connected to the connecting rod 361, and the bottom of the connecting rod 361 is fixedly connected to the connecting block 362. One end of the connecting block 362 is rotatably connected to the rotating ball 363.

[0053] In a specific implementation, by starting the oil cylinder 1 331, it is convenient to adjust the height of the fixed plate 333 and the counterweight assembly, so that the round tube 370 is opposite to the transmission shaft of the motor, and by starting the oil cylinder 2 340, it is convenient to adjust the position of the movable shell 330, the oil cylinder 1 331, the fixed plate 333 and the counterweight assembly, so that the round tube 370 is moved to the outside of the motor transmission shaft, and by starting the motor 380, the screw 381 is rotated, so that the movable plate 382 and the positioning plate 383 are moved, so that the positioning plate 383 is engaged with the keyway on the motor transmission shaft, and the two inner sides of the positioning plate 383 are locked. The walls are all wedge-shaped, so that the positioning plate 383 can be engaged with key slots of different sizes. Then, by placing an appropriate number of counterweights 390 on the rectangular rod 352 and starting the oil cylinder 360, the connecting rod 361, the connecting block 362 and the rotating ball 363 are moved. The rotating ball 363 moved to the appropriate position cooperates with the circular plate 351 to facilitate the limiting of multiple counterweights 390. When the motor rotates, the motor needs to drive the counterweight assembly to rotate, and by adjusting the number of counterweights 390, it is convenient to detect the parameters of the motor under different loads, and the operation is simpler and more convenient.

[0054] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0055] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A new energy vehicle parts testing workbench, characterized in that: Including: A workbench body (100), at one end of the top of the workbench body (100), two rectangular holes (101) are opened, at one end of the top of the workbench body (100), a rectangular groove (102) is opened, and two round holes (103) are opened on the inner bottom surface of the rectangular groove (102), and a fixing frame (110) is fixedly connected to the top of the workbench body (100); A fixing mechanism (200), fixedly connected to one end of the workbench body (100); A detection mechanism (300), fixed inside the fixing frame (110).

2. The new energy vehicle parts testing workbench according to claim 1, characterized in that: The fixing mechanism (200) includes: A rectangular shell (210), the top of which is fixedly connected to the bottom of the workbench body (100), and a support component is arranged inside the rectangular shell (210); A first motor (230), one end of which is fixedly connected to an inner side wall of the rectangular shell (210), the output end of the first motor (230) is fixedly connected to a first bidirectional screw rod (231), a first fixing block (232) is sleeved and fixed at the middle position of the first bidirectional screw rod (231), and the top of the first fixing block (232) is fixedly connected to the workbench body (100), both ends of the first bidirectional screw rod (231) are screwed and connected with first moving blocks (233), and both ends of the first moving blocks (233) are fixedly connected with rectangular pipes (234); Four U-shaped rods (240), one end of each of which is respectively slidably connected to the inside of the corresponding rectangular pipe (234), and a displacement component is arranged at the bottom of the four U-shaped rods (240); Four positioning shells (250), respectively at the top of the other end of the four U-shaped rods (240).

3. The new energy vehicle parts testing workbench according to claim 2, characterized in that: The displacement component includes: A support shell (260), the outer side wall of which is fixedly connected to the inner side wall of the rectangular shell (210), the top of both ends of the support shell (260) is slidably connected with a first limiting shell (261), and both ends inside the first limiting shell (261) are fixedly connected with first limiting blocks (262), and the top of the first limiting blocks (262) is fixedly connected to the corresponding U-shaped rod (240); A second motor (270), fixedly connected to the inside of the rectangular shell (210), the output end of the second motor (270) is fixedly connected to a second bidirectional screw rod (271), a second fixing block (272) is sleeved and fixed at the middle position of the second bidirectional screw rod (271), and the bottom of the second fixing block (272) is fixedly connected to the inner bottom surface of the rectangular shell (210), both ends of the second fixing block (272) are screwed and connected with second moving blocks (273), and the top of the second moving blocks (273) is fixedly connected to the bottom of the corresponding first limiting shell (261).

4. The new energy vehicle parts testing workbench according to claim 2, characterized in that: The support component includes: A bearing plate (220), which is slidably connected to the inside of the rectangular groove (102); The electric push rod (280) is fixedly connected to the inner bottom surface of the rectangular shell (210) at the bottom. The output end of the electric push rod (280) is fixedly connected with a U-shaped plate (281), and both ends of the top of the U-shaped plate (281) are fixedly connected with round rods (282). The round rods (282) are respectively slidably connected to the round holes (103) at the corresponding positions, and the tops of the round rods (282) are fixedly connected to the bottom of the bearing plate (220).

5. The new energy vehicle parts testing workbench according to claim 1, characterized in that: The detection mechanism (300) includes: A connecting plate (310) whose top is fixedly connected to the inner top surface of the fixing frame (110). A limiting component is arranged on one inner side wall of the connecting plate (310). Two second limiting shells (320) whose tops are fixedly connected to the inner top surface of the connecting plate (310). A moving shell (330) is arranged inside the connecting plate (310). An oil cylinder one (331) is fixedly connected to the inner top surface of the moving shell (330), and the output end of the oil cylinder one (331) is fixedly connected with a fixing plate (333). Both ends of the inner top surface of the moving shell (330) are fixedly connected with telescopic rods (332), and the bottoms of the telescopic rods (332) are fixedly connected to the top of the fixing plate (333). A counterweight component is arranged at the bottom of the fixing plate (333). Both ends of the moving shell (330) are fixedly connected with second limiting blocks (334), and the second limiting blocks (334) are slidably connected to the inside of the corresponding second limiting shells (320). An oil cylinder two (340) whose one end is fixedly connected to the other inner side wall of the connecting plate (310), and the output end of the oil cylinder two (340) is fixedly connected to one side of the moving shell (330).

6. The new energy vehicle parts testing workbench according to claim 5, characterized in that: The counterweight component includes: An annular shell (350) which is rotatably connected to the bottom of the fixing plate (333). A round plate (351) is fixedly connected to one side of the annular shell (350), and a rectangular rod (352) is fixedly connected to the middle position of one side of the round plate (351). A round tube (370) whose outer side wall is fixedly connected to the annular shell (350). A sliding hole (371) is arranged on the outer side wall of the round tube (370). A motor three (380) whose one end is fixedly connected to the inner side wall of the annular shell (350). A screw rod (381) is fixedly connected to the output end of the motor three (38). A moving plate (382) is screwed to the outer side wall of the screw rod (381), and the moving plate (382) is slidably connected to the inside of the sliding hole (371). A positioning plate (383) is fixedly connected to one end of the moving plate (382), and the positioning plate (383) is located inside the round tube (370). A plurality of counterweight blocks (390) are all slidably connected to the outer side of the rectangular rod (352).

7. The new energy vehicle parts testing workbench according to claim 5, characterized in that: The limiting component includes an oil cylinder three (360). One end of the oil cylinder three (360) is fixedly connected to one inner side wall of the connecting plate (310). A connecting rod (361) is fixedly connected to the output end of the oil cylinder three (360), and a connecting block (362) is fixedly connected to the bottom of the connecting rod (361). A rotating ball (363) is rotatably connected to one end of the connecting block (362).

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