Transmission planetary gear shaft strength detection device

By designing a detection device including a base plate, a fixing plate, a motor, a guide rod, a support plate and a test component, the problem of supporting fixation in the strength detection of the planetary gear shaft of the transmission is solved, and more stable detection and more efficient cleaning are achieved , enhances the detection effect.

CN222212245UActive Publication Date: 2024-12-20SUZHOU ZHONGYUAN TESTING TECH CO LTD
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Patent Information

Application Number
CN202420659881.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-02
Publication Date
2024-12-20
Estimated Expiration
2034-04-02

AI Technical Summary

Technical Problem

In the prior art, when the transmission planetary gear shaft strength is detected, due to the different specifications of the gear shaft, it is difficult to effectively support and fix, which affects the detection effect.

Method used

A detection device including a base plate, a fixed plate, a motor, a guide rod, a support plate and a test assembly is designed. The distance of the support plate is adjusted by the guide rod and the motor, the rotation of the fixed table and the push rod are adjusted to the position of the cover, and the detection soft plate is used. and tuning forks to detect stability, water pumps and filter plates are cleaned and filtered, enhancing support fixation, protection and detection effects.

Benefits of technology

It effectively enhances the support and fixing effect of the transmission planetary gear shaft, reduces the influence of external impurities, improves the stability and cleaning effect of detection, and enhances the portability and protection of the detection device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a transmission planetary gear shaft strength detection device. The device comprises a bottom plate, the top of the bottom plate is fixedly connected with a fixed plate; the side wall of the fixed plate is fixedly connected with a first motor; the output end of the first motor is connected with a guide rod; the guide rod penetrates through the middle part of the fixed plate; the guide rod is in running fit with the fixed plate; the other side wall of the fixing plate is rotationally matched with a fixing table. The fixed table is fixedly connected with the side wall of the guide rod; a transmission planetary gear rotating shaft needing strength detection can be guided and inserted through a guide rod, and a second motor can be used for rotating a first two-way threaded rod so as to adjust the distance between supporting plates, so that the inserted gear rotating shaft is internally supported and fixed; the first motor drives the guide rod and the fixing table to rotate so as to rotate the transmission planetary gear shaft, and the testing assembly is used for detecting the torque strength of the transmission planetary gear shaft, so that the supporting and fixing effects of the transmission planetary gear shaft strength detection device are enhanced.
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Description

Technical Field

[0001] The utility model relates to the technical field of planetary gear shaft strength detection, in particular to a transmission planetary gear shaft strength detection device. Background Art

[0002] The planetary gear shaft of the transmission is an important component in the automatic transmission. The establishment of the planetary gear shaft model is relatively simple. Its radius is usually equal to the radius of the center hole of the large sun gear and the center hole of the small sun gear. In the transmission, the planetary gear shaft plays a key role and works with other components to achieve the speed shifting function.

[0003] In the prior art, the planetary gear shaft of the transmission is subjected to strength testing before leaving the factory to ensure the stability of the planetary gear shaft.

[0004] After long-term use, it is found that when testing the strength of the existing transmission gear shaft, it is difficult to support and fix it because the gear shafts are symmetrical and of different specifications, which affects the testing effect. Utility Model Content

[0005] Therefore, the technical problem to be solved by the utility model is to overcome the existing technology.

[0006] In order to solve the above technical problems, the utility model provides a transmission planetary gear shaft strength detection device, comprising a bottom plate; a fixing plate is fixedly connected to the top of the bottom plate; a first motor is fixedly connected to the side wall of the fixing plate; an output end of the first motor is connected to a guide rod; the guide rod passes through the middle of the fixing plate; the guide rod and the fixing plate are rotationally matched; a fixing table is rotationally matched with the other side wall of the fixing plate; the fixing table is fixedly connected to the side wall of the guide rod; a fixing frame is fixedly connected to the end of the fixing table; a second motor is fixedly connected to the side wall of the fixing frame; the second motor is evenly distributed on the side wall of the fixing frame; a first bidirectional threaded rod is connected to the output end of the second motor; the first bidirectional threaded rod passes through the middle of the guide rod; the guide rod and the first bidirectional threaded rod are rotationally matched; The threaded rod is in rotational cooperation; the side wall of the first bidirectional threaded rod is transmission-coordinated with a support plate; the support plates are evenly distributed on the side wall of the first bidirectional threaded rod; the guide rod is arranged on the inner side of the support plate; the outer wall of the fixed platform is provided with a test assembly; in this step, the planetary gear shaft of the transmission that needs to be strength tested can be guided and inserted through the setting of the guide rod, and the first bidirectional threaded rod can be rotated by the second motor to adjust the distance between the support plates to internally support and fix the inserted gear shaft, and the guide rod and the fixed platform are driven by the first motor to rotate to rotate the planetary gear shaft of the transmission, and the torque strength is tested by the test assembly, thereby enhancing the support and fixing effect of the planetary gear shaft strength detection device of the transmission.

[0007] In one embodiment of the present invention, a slide frame is fixedly connected to the top of the base plate; a mounting frame is slidably matched with the middle of the slide frame; the mounting frames are evenly distributed in the middle of the slide frame; each group of side walls of the mounting frames is fixedly connected with an electric push rod; the output end of the electric push rod passes through the middle of the mounting frame; each group of output ends of the electric push rods is fixedly connected with a covering cover; in this step, through the setting of the slide frame, the mounting frame that slides with the inner wall can adjust the position of the electric push rod, and the electric push rod can adjust the position of its covering cover to cover and protect the transmission planetary gear shaft supported by its fixed platform, thereby reducing the influence of external impurities on the detection and further enhancing the protection effect of the transmission planetary gear shaft strength detection device.

[0008] In one embodiment of the utility model, a third motor is fixedly connected to the side wall of the slide frame; the output end of the third motor is connected to a second bidirectional threaded rod; the second bidirectional threaded rod passes through the middle of the slide frame and the mounting frame; the second bidirectional threaded rod and the slide frame are in rotational cooperation; the second bidirectional threaded rod and the mounting frame are in transmission cooperation; in this step, the distance adjustment between the slide frames can be made more portable through the setting of the third motor, further enhancing the portable adjustment effect of the transmission planetary gear shaft strength detection device.

[0009] In one embodiment of the utility model, an isolation block is fixedly connected to the inner wall of the slide frame; the second bidirectional threaded rod passes through the middle of the isolation block; the second bidirectional threaded rod and the isolation block are rotatably matched; in this step, the setting of the isolation block can effectively isolate and protect the adjustable mounting frame, further enhancing the adjustment protection effect of the transmission planetary gear shaft strength detection device.

[0010] In one embodiment of the utility model, the test assembly includes a telescopic rod; the inner side wall of the cover is fixedly connected to the telescopic rod; the telescopic rod is evenly distributed on the inner side wall of the mounting frame; the side wall of the telescopic rod is sleeved with a spring; the output end of the telescopic rod is connected to a detection soft board; a tuning fork is arranged in the middle of the mounting frame; in this step, by setting the detection soft board, the stability of the gear shaft can be detected when the guide rod performs a strength test on its transmission planetary gear shaft. Once the stability is unstable, unsteady air flow will be generated to impact the detection soft board. The telescopic rod and the spring can be used to make it touch the bottom of the tuning fork and reset it. At this time, the tuning fork will make a sound to remind the tester that there is a defect in the gear shaft, further enhancing the detection effect of the transmission planetary gear shaft strength detection device.

[0011] In one embodiment of the utility model, the outer side wall of the detection soft plate is fixedly connected with a snap convex plate; the outer side wall of another detection soft plate is fixedly connected with a snap concave plate; the snap convex plate corresponds to the snap concave plate in position; in this step, the closing effect of the detection soft plate can be made more stable through the setting of the snap convex plate and the snap concave plate, further enhancing the closing stability effect of the transmission planetary gear shaft strength detection device.

[0012] In one embodiment of the utility model, a storage box is fixedly connected to the top of the base plate; the storage boxes are evenly distributed on the top of the base plate; a water pump is fixedly connected to the side wall of the storage box; the output end of the water pump is connected to a delivery pipe; in this step, the setting provided to the water pump can use the cleaning liquid inside the storage box to clean the transmission planetary gear shaft through the delivery pipe, further enhancing the cleaning effect of the transmission planetary gear shaft strength detection device.

[0013] In one embodiment of the utility model, a collecting box is arranged in the middle of the bottom plate; the collecting box is arranged between two groups of storage boxes; a filter plate is arranged in the middle of the collecting box; in this step, the cleaning liquid after cleaning can be collected and filtered through the arrangement of the collecting box and the filter plate, further enhancing the collection effect of the transmission planetary gear shaft strength detection device.

[0014] The above technical solution of the utility model has the following advantages compared with the prior art:

[0015] According to the utility model, the planetary gear shaft of the transmission that needs to be tested for strength can be guided and inserted through the setting of the guide rod, and the first bidirectional threaded rod can be rotated by the second motor to adjust the distance between the support plates to internally support and fix the inserted gear shaft, and the guide rod and the fixed platform are driven by the first motor to rotate to rotate the planetary gear shaft of the transmission, and the torque strength is tested by using the test assembly, thereby enhancing the supporting and fixing effect of the planetary gear shaft strength testing device of the transmission.

[0016] According to the utility model, through the setting of the slide frame, the mounting frame that slides with the inner wall can adjust the position of the electric push rod, and the position of the covering cover of the electric push rod can be adjusted to cover and protect the planetary gear shaft of the transmission supported by its fixed platform, thereby reducing the influence of external impurities on the detection and further enhancing the protection effect of the planetary gear shaft strength detection device of the transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to make the content of the utility model more clearly understood, the utility model is further described in detail below based on specific embodiments of the utility model in combination with the accompanying drawings.

[0018] Figure 1 It is a three-dimensional diagram of the utility model;

[0019] Figure 2 It is a side view of the utility model;

[0020] Figure 3 It is a schematic diagram of the spring structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the support plate structure of the utility model;

[0022] Explanation of the reference numerals in the drawings in the specification: 1. bottom plate; 11. fixing plate; 12. first motor; 13. guide rod; 14. fixing table; 15. fixing frame; 16. second motor; 17. first bidirectional threaded rod; 18. support plate; 2. slide frame; 21. mounting frame; 22. electric push rod; 23. covering cover; 3. third motor; 31. second bidirectional threaded rod; 4. isolation block; 5. telescopic rod; 51. spring; 52. detection soft board; 53. tuning fork; 6. snap-on convex plate; 61. snap-on concave plate; 7. storage box; 71. water pump; 72. delivery pipe; 8. collection box; 81. filter plate; 9. nozzle. DETAILED DESCRIPTION

[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0024] Reference Figures 1 to 4As shown, a transmission planetary gear shaft strength detection device of the utility model comprises a base plate 1; a fixing plate 11 is fixedly connected to the top of the base plate 1; a first motor 12 is fixedly connected to the side wall of the fixing plate 11; a guide rod 13 is connected to the output end of the first motor 12; the guide rod 13 passes through the middle of the fixing plate 11; the guide rod 13 and the fixing plate 11 are rotationally matched; a fixing platform 14 is rotationally matched with the other side wall of the fixing plate 11; the fixing platform 14 is fixedly connected to the side wall of the guide rod 13; the end of the fixing platform 14 is fixedly connected to the side wall of the guide rod 13; There is a fixing frame 15; the side wall of the fixing frame 15 is fixedly connected to a second motor 16; the second motor 16 is evenly distributed on the side wall of the fixing frame 15; the output end of the second motor 16 is connected to a first bidirectional threaded rod 17; the first bidirectional threaded rod 17 passes through the middle of the guide rod 13; the guide rod 13 and the first bidirectional threaded rod 17 are in rotational cooperation; the side wall of the first bidirectional threaded rod 17 is transmission-coordinated with a support plate 18; the support plates 18 are evenly distributed on the side wall of the first bidirectional threaded rod 17; the guide rod 13 is arranged on the support plate 18 The inner side of the support plate 18; the outer side wall of the fixed platform 14 is provided with a test component; when working, the planetary gear shaft of the transmission that needs to be strength tested can be guided and inserted through the guide rod 13, and the first two-way threaded rod 17 can be rotated by the second motor 16 to adjust the distance between the support plates 18 to internally support and fix the inserted gear shaft, and the guide rod 13 and the fixed platform 14 are driven by the first motor 12 to rotate the planetary gear shaft of the transmission, and the torque strength thereof is tested by the test component; in this step, the planetary gear shaft of the transmission that needs to be strength tested can be guided and inserted through the setting of the guide rod 13, and the first two-way threaded rod 17 can be rotated by the second motor 16 to adjust the distance between the support plates 18 to internally support and fix the inserted gear shaft, and the guide rod 13 and the fixed platform 14 are driven by the first motor 12 to rotate the planetary gear shaft of the transmission, and the torque strength thereof is tested by the test component, thereby enhancing the supporting and fixing effect of the planetary gear shaft strength testing device of the transmission.

[0025] Reference Figures 1 to 3As shown, the top of the bottom plate 1 is fixedly connected to a slide frame 2; a mounting frame 21 is slidably matched in the middle of the slide frame 2; the mounting frames 21 are evenly distributed in the middle of the slide frame 2; each group of side walls of the mounting frames 21 is fixedly connected to an electric push rod 22; the output end of the electric push rod 22 passes through the middle of the mounting frame 21; a covering cover 23 is fixedly connected to the output end of each group of the electric push rod 22; when working, the position of the electric push rod 22 can be adjusted through the mounting frame 21 that slides with the inner side wall of the slide frame 2, and its covering cover 23 can be adjusted through the electric push rod 22 The position of the cover 23 covers and protects the transmission planetary gear shaft supported by its fixed platform 14, reducing the impact of external impurities on detection; in this step, through the setting of the slide frame 2, the mounting frame 21 that slides with the inner wall can adjust the position of the electric push rod 22, and the electric push rod 22 can adjust the position of its covering cover 23 to cover and protect the transmission planetary gear shaft supported by its fixed platform 14, reducing the impact of external impurities on detection, and further enhancing the protection effect of the transmission planetary gear shaft strength detection device.

[0026] Reference Figures 1 to 3 As shown, a third motor 3 is fixedly connected to the side wall of the slide frame 2; a second bidirectional threaded rod 31 is connected to the output end of the third motor 3; the second bidirectional threaded rod 31 passes through the middle of the slide frame 2 and the mounting frame 21; the second bidirectional threaded rod 31 and the slide frame 2 are in rotational cooperation; the second bidirectional threaded rod 31 and the mounting frame 21 are in transmission cooperation; when working, the second bidirectional threaded rod 31 can be rotated by the third motor 3 to adjust the distance between the slide frames 2 to make it more portable; in this step, the distance adjustment between the slide frames 2 can be made more portable through the setting of the third motor 3, further enhancing the adjustment portability effect of the transmission planetary gear shaft strength detection device.

[0027] Reference Figure 3 As shown, an isolation block 4 is fixedly connected to the inner wall of the slide frame 2; the second bidirectional threaded rod 31 passes through the middle of the isolation block 4; the second bidirectional threaded rod 31 and the isolation block 4 are rotationally matched; when working, the isolation block 4 can be used to isolate and protect the adjusted mounting frame 21 to reduce the situation of excessive adjustment; in this step, the setting of the isolation block 4 can effectively isolate and protect the adjusted mounting frame 21, further enhancing the adjustment protection effect of the transmission planetary gear shaft strength detection device.

[0028] Reference Figures 1 to 3As shown, the test assembly includes a telescopic rod 5; the inner wall of the cover 23 is fixedly connected to the telescopic rod 5; the telescopic rod 5 is evenly distributed on the inner wall of the mounting frame 21; the side wall of the telescopic rod 5 is sleeved with a spring 51; the output end of the telescopic rod 5 is connected to a detection soft board 52; a tuning fork 53 is arranged in the middle of the mounting frame 21; when working, the stability of the gear shaft can be detected by the detection soft board 52 when the guide rod 13 performs a strength test on the planetary gear shaft of the transmission. Once the stability is unstable, an unsteady air flow will be generated to impact the detection soft board 52, and the telescopic rod 5 and the spring 51 can be used to make it touch When the tuning fork 53 touches the bottom and resets, the tuning fork 53 will make a sound to remind the tester that the gear shaft has a defect. In this step, the setting of the detection soft plate 52 can detect the stability of the gear shaft when the guide rod 13 performs a strength test on the planetary gear shaft of the transmission. Once the stability is unstable, unsteady air flow will be generated to impact the detection soft plate 52. The telescopic rod 5 and the spring 51 can be used to make it touch the bottom of the tuning fork 53 and reset. At this time, the tuning fork 53 will make a sound to remind the tester that the gear shaft has a defect, thereby further enhancing the detection effect of the transmission planetary gear shaft strength detection device.

[0029] Reference Figures 1 to 3 As shown, the outer side wall of the detection soft board 52 is fixedly connected with a snap convex plate 6; the other outer side wall of the detection soft board 52 is fixedly connected with a snap concave plate 61; the snap convex plate 6 and the snap concave plate 61 correspond in position; during operation, the snap convex plate 6 and the snap concave plate 61 can be used to achieve a stable closing effect when the detection soft board 52 is closed; in this step, the closing effect of the detection soft board 52 can be made more stable through the setting of the snap convex plate 6 and the snap concave plate 61, thereby further enhancing the closing stability effect of the transmission planetary gear shaft strength detection device.

[0030] Reference Figure 1 to Figure 2 As shown, a storage box 7 is fixedly connected to the top of the base plate 1; the storage boxes 7 are evenly distributed on the top of the base plate 1; a water pump 71 is fixedly connected to the side wall of the storage box 7; the output end of the water pump 71 is connected to a delivery pipe 72; when working, the cleaning liquid inside the storage box 7 can be driven by the water pump 71 to use the delivery pipe 72 to pre-treat and rinse the transmission planetary gear shaft that needs to be strength tested, thereby reducing impurities on the surface of the shaft; in this step, the setting provided to the water pump 71 can use the cleaning liquid inside the storage box 7 to clean the transmission planetary gear shaft through the delivery pipe 72, further enhancing the cleaning effect of the transmission planetary gear shaft strength detection device.

[0031] Reference Figure 1 to Figure 2As shown, a collecting box 8 is arranged in the middle of the bottom plate 1; the collecting box 8 is arranged between the two groups of storage boxes 7; a filter plate 81 is arranged in the middle of the collecting box 8; when working, the cleaning liquid and impurities after cleaning can be collected and filtered through the collecting box 8 and the filter plate 81; in this step, the cleaning liquid after cleaning can be collected and filtered through the setting of the collecting box 8 and the filter plate 81, which further enhances the collection effect of the transmission planetary gear shaft strength detection device.

[0032] Reference Figure 1 to Figure 2 As shown, each group of the delivery pipes 72 is provided with a nozzle 9 at the end thereof; when working, the nozzle 9 can make the spraying of the cleaning liquid more uniform; in this step, the setting of the nozzle 9 can make the spraying of the cleaning liquid more uniform, further enhancing the spraying effect of the transmission planetary gear shaft strength detection device.

[0033] Working principle: During operation, the planetary gear shaft of the transmission that needs to be strength tested can be guided and inserted through the guide rod 13, and the first bidirectional threaded rod 17 can be rotated by the second motor 16 to adjust the distance between the support plates 18 to internally support and fix the inserted gear shaft, and the guide rod 13 and the fixed platform 14 are driven by the first motor 12 to rotate to rotate the planetary gear shaft of the transmission, and the torque strength is tested by the test assembly, and the position of the electric push rod 22 can be adjusted by the mounting frame 21 that slides with the inner wall of the slide frame 2, and the position of the covering cover 23 of the electric push rod 22 can be adjusted to cover and protect the planetary gear shaft of the transmission supported by the fixed platform 14, thereby reducing the influence of external impurities on the detection, and the distance between the slide frames 2 can be adjusted by the third motor 3. Through the isolation block 4 can isolate and protect the adjustable mounting frame 21 to reduce the over-adjustment. The detection soft board 52 can detect the stability of the gear shaft when the guide rod 13 performs strength test on the transmission planetary gear shaft. Once the stability is unstable, an unstable air flow will be generated to impact the detection soft board 52. The telescopic rod 5 and the spring 51 can make it touch the bottom of the tuning fork 53 and reset. At this time, the tuning fork 53 will make a sound to remind the tester that there is a defect in the gear shaft. The buckle convex plate 6 and the buckle concave plate 61 can be used to achieve a stable closing effect when the detection soft board 52 is closed. The cleaning liquid in the storage box 7 can be driven by the water pump 71 to use the delivery pipe 72 to pre-treat and rinse the transmission planetary gear shaft that needs to be strength tested, so as to reduce impurities attached to the shaft surface. The cleaning liquid and impurities after cleaning can be collected and filtered by the collection box 8 and the filter plate 81.

[0034] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the invention of the utility model.

Claims

1. A transmission planetary gear shaft strength detection device, comprising a base plate (1); characterized in that: The top of the bottom plate (1) is fixedly connected to a fixing plate (11); a first motor (12) is fixedly connected to a side wall of the fixing plate (11); an output end of the first motor (12) is connected to a guide rod (13); the guide rod (13) passes through the middle of the fixing plate (11); the guide rod (13) and the fixing plate (11) are rotatably matched; a fixing platform (14) is rotatably matched to the other side wall of the fixing plate (11); the fixing platform (14) is fixedly connected to the side wall of the guide rod (13); a fixing frame (15) is fixedly connected to the end of the fixing platform (14); a second motor (16) is fixedly connected to the side wall of the fixing frame (15) ; The second motor (16) is evenly distributed on the side wall of the fixing frame (15); the output end of the second motor (16) is connected to the first bidirectional threaded rod (17); the first bidirectional threaded rod (17) passes through the middle of the guide rod (13); the guide rod (13) and the first bidirectional threaded rod (17) are rotationally matched; the side wall of the first bidirectional threaded rod (17) is transmission-matched with a support plate (18); the support plate (18) is evenly distributed on the side wall of the first bidirectional threaded rod (17); the guide rod (13) is arranged on the inner side of the support plate (18); and a test component is arranged on the outer side wall of the fixing platform (14).

2. A transmission planetary gear shaft strength detection device according to claim 1, characterized in that: The top of the bottom plate (1) is fixedly connected to a slide frame (2); the middle of the slide frame (2) is slidably matched with a mounting frame (21); the mounting frames (21) are evenly distributed in the middle of the slide frame (2); the side walls of each group of the mounting frames (21) are fixedly connected to an electric push rod (22); the output end of the electric push rod (22) passes through the middle of the mounting frame (21); the output end of each group of the electric push rod (22) is fixedly connected to a covering cover (23).

3. A transmission planetary gear shaft strength detection device according to claim 2, characterized in that: A third motor (3) is fixedly connected to the side wall of the slide frame (2); a second bidirectional threaded rod (31) is connected to the output end of the third motor (3); the second bidirectional threaded rod (31) passes through the middle of the slide frame (2) and the mounting frame (21); the second bidirectional threaded rod (31) and the slide frame (2) are in rotational cooperation; the second bidirectional threaded rod (31) and the mounting frame (21) are in transmission cooperation.

4. A transmission planetary gear shaft strength detection device according to claim 3, characterized in that: An isolation block (4) is fixedly connected to the inner wall of the slide frame (2); the second bidirectional threaded rod (31) passes through the middle of the isolation block (4); and the second bidirectional threaded rod (31) and the isolation block (4) are rotationally matched.

5. A transmission planetary gear shaft strength detection device according to claim 4, characterized in that: The test assembly comprises a telescopic rod (5); the inner side wall of the cover (23) is fixedly connected with the telescopic rod (5); the telescopic rod (5) is evenly distributed on the inner side wall of the mounting frame (21); the side wall of the telescopic rod (5) is sleeved with a spring (51); the output end of the telescopic rod (5) is connected with a detection soft board (52); and a tuning fork (53) is arranged in the middle of the mounting frame (21).

6. A transmission planetary gear shaft strength detection device according to claim 5, characterized in that: A buckle convex plate (6) is fixedly connected to the outer side wall of the detection soft board (52); a buckle concave plate (61) is fixedly connected to the outer side wall of the other detection soft board (52); the buckle convex plate (6) and the buckle concave plate (61) are located correspondingly.

7. A transmission planetary gear shaft strength detection device according to claim 6, characterized in that: A storage box (7) is fixedly connected to the top of the bottom plate (1); the storage boxes (7) are evenly distributed on the top of the bottom plate (1); a water pump (71) is fixedly connected to the side wall of the storage box (7); and a delivery pipe (72) is connected to the output end of the water pump (71).

8. A transmission planetary gear shaft strength detection device according to claim 7, characterized in that: A collection box (8) is arranged in the middle of the bottom plate (1); the collection box (8) is arranged between two groups of storage boxes (7); and a filter plate (81) is arranged in the middle of the collection box (8).