Gearbox sealing performance detection auxiliary tool

Abstract

The gearbox sealing performance detection auxiliary tool comprises a supporting frame, a positioning mechanism, a height adjusting mechanism and an angle adjusting mechanism, and the positioning mechanism comprises a transparent cover, a transparent door, a supporting groove, a sliding block, a supporting box, a double-thread screw, a driving motor, a guide rod, a moving plate, a lifting hydraulic rod and a plugging shaft. The height adjusting mechanism comprises a winding rod, a winding motor, a lifting belt and a supporting block. The angle adjusting mechanism comprises a transmission shaft, a rotating motor and a driven shaft. The utility model belongs to the technical field of gearbox sealing performance detection, a driving motor is started to drive a double-thread screw to rotate, two groups of moving plates move along with the double-thread screw, and a lifting hydraulic rod is started to stretch out and draw back, so that the position of a plugging shaft is conveniently adjusted to be aligned with an oil seal hole of a gearbox; the lifting belt can be driven to wind and unwind by starting the winding motor, so that the supporting box and the gearbox are conveniently driven to adjust the height; the supporting frame can be driven to rotate by starting the rotating motor, so that the angle of the gearbox can be conveniently adjusted to observe the gearbox in all directions.

Description

Technical Field

[0001] The utility model belongs to the technical field of gearbox sealing detection, in particular to a gearbox sealing detection auxiliary tool. Background Art

[0002] The gearbox needs to be tested for sealing performance before it goes down the assembly line. Currently, the commonly used sealing test methods in the industry are air tightness test and liquid tightness test. Air tightness test is more widely used because of the convenient acquisition of gas medium. When testing the sealing performance of the gearbox, auxiliary tooling is required to fix and adjust it.

[0003] At present, when performing air tightness testing on the gearbox, the oil seal holes of the left and right half-shafts of the gearbox differential are mostly sealed by a sealing head, and then gas pressure is applied to the inner cavity of the gearbox to detect the pressure leakage of the gearbox housing. However, it is inconvenient for traditional auxiliary tooling to adjust the position of the sealing head according to gearboxes of different specifications to align with the oil seal holes of the gearbox, and it is also inconvenient to automatically adjust the angle and height during the gearbox sealing test to observe it in all directions. Therefore, there is an urgent need for gearbox sealing test auxiliary tooling to solve the above problems. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the existing gearbox sealing detection auxiliary tooling is inconvenient to adjust the position of the plugging head according to gearboxes of different specifications, and it is also inconvenient to automatically adjust the angle and height during the gearbox sealing detection process to observe it in all directions.

[0005] In order to achieve the above functions, the technical solution adopted by the utility model is as follows: a gearbox sealing detection auxiliary tooling includes a support frame, and a positioning mechanism arranged on the support frame, and also includes a height adjustment mechanism, the height adjustment mechanism is arranged on the support frame, and also includes an angle adjustment mechanism, the angle adjustment mechanism is arranged on the support frame, a transparent cover is fixedly provided on the angle adjustment mechanism, and a transparent door is hingedly connected to the side wall of the transparent cover.

[0006] In order to smoothly achieve the purpose of convenient and automatic adjustment of the sealing head position to align with the oil seal hole, the positioning mechanism includes a support groove on the side wall of the support frame, the support groove is slidably connected with a slider, the slider is fixedly connected with a support box, a double-headed screw is rotatably connected between the two side walls of the support box, a driving motor for driving the double-headed screw to rotate is fixedly provided on one side wall of the support box, a guide rod is fixedly provided between the two side walls of the support box, a movable plate is threadedly connected to the double-headed screw, the other end of the movable plate is slidably arranged on the guide rod, the top of the movable plate is fixedly connected with a lifting hydraulic rod, and the telescopic end of the lifting hydraulic rod is fixedly provided with a sealing shaft.

[0007] In order to facilitate the automatic adjustment of the gearbox height for detection and observation, the height adjustment mechanism includes a winding rod that is rotatably connected between the two side walls of the support frame, a winding motor that drives the winding rod to rotate is fixedly provided on one side wall of the support frame, a lifting belt is wrapped around the winding rod, and a support block that is fixedly connected to the side wall of the support box is fixedly provided at the bottom of the lifting belt.

[0008] In order to smoothly and conveniently realize the purpose of automatically adjusting the gearbox angle so that the user can observe in all directions, the angle adjustment mechanism includes a transmission shaft fixedly connected to the top wall of the support frame, a rotating motor for driving the transmission shaft to rotate is fixedly provided on the top wall of the transparent cover, and a driven shaft rotationally connected to the bottom wall of the transparent cover is fixedly provided on the bottom wall of the support frame.

[0009] Furthermore, a slide groove is provided on the top wall of the support box, a bearing seat is fixedly provided on the double-headed screw and the middle part of the guide rod, and a transmission shaft is rotatably connected to the top wall of the transparent cover.

[0010] Furthermore, the support groove and the slider are symmetrically arranged at both ends of the support frame, the movable plate and the blocking shaft are symmetrically arranged at both ends of the double-headed screw, and the lifting belt is symmetrically arranged at both ends of the winding rod.

[0011] Preferably, the support frame is arranged in a square frame shape, and the sliding block is arranged in an inclined T shape.

[0012] The beneficial effects achieved by the utility model using the above structure are as follows:

[0013] 1. By turning on the driving motor, the double-headed screw can be driven to rotate, and the two sets of moving plates will move accordingly. The lifting hydraulic rod can be turned on to make it extend and retract, so as to facilitate the adjustment of the position of the blocking shaft to align with the transmission oil seal hole;

[0014] 2. By turning on the winding motor, the lifting belt can be wound and unwound, so as to facilitate the height adjustment of the support box and the gearbox;

[0015] 3. By turning on the rotating motor, the support frame can be driven to rotate, so that the gearbox angle can be adjusted to observe it from all directions. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the gearbox sealing detection auxiliary tooling proposed in this scheme;

[0017] Figure 2 This is a schematic diagram of the structure of the gearbox sealing detection auxiliary tooling proposed in this solution from another angle;

[0018] Figure 3 This is a cross-sectional view of the gearbox sealing detection auxiliary tooling proposed in this solution;

[0019] Figure 4 This is a cross-sectional view from another angle of the gearbox sealing detection auxiliary tooling proposed in this solution.

[0020] Among them, 1. support frame; 2. positioning mechanism; 3. height adjustment mechanism; 4. angle adjustment mechanism; 5. transparent cover; 6. transparent door; 7. support groove; 8. slider; 9. support box; 10. double-headed screw; 11. driving motor; 12. guide rod; 13. moving plate; 14. lifting hydraulic rod; 15. blocking shaft; 16. winding rod; 17. winding motor; 18. lifting belt; 19. support block; 20. transmission shaft; 21. rotating motor; 22. driven shaft.

[0021] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] like Figure 1 As shown, in order to achieve the above functions, the technical solution adopted by the utility model is as follows: a gearbox sealing detection auxiliary tooling includes a support frame 1, the support frame 1 is arranged in a square frame shape, and a positioning mechanism 2 arranged on the support frame 1, and also includes a height adjustment mechanism 3, the height adjustment mechanism 3 is arranged on the support frame 1, and also includes an angle adjustment mechanism 4, the angle adjustment mechanism 4 is arranged on the support frame 1, and a transparent cover 5 is fixedly provided on the angle adjustment mechanism 4, and a transparent door 6 is hingedly connected to the side wall of the transparent cover 5.

[0024] like Figure 2-3As shown, the positioning mechanism 2 includes a support groove 7 provided on the side wall of the support frame 1, and a slider 8 is slidably connected to the support groove 7. The support groove 7 and the slider 8 are symmetrically arranged at the two ends of the support frame 1, and the slider 8 is arranged in an inclined T-shape. A support box 9 is fixedly connected to the slider 8, and a slide groove is provided on the top wall of the support box 9. A double-headed screw 10 is rotatably connected between the two side walls of the support box 9, and a driving motor 11 for driving the double-headed screw 10 to rotate is fixedly provided on one side wall of the support box 9. A guide rod 12 is fixedly provided between the two side walls of the support box 9, and a bearing seat is fixedly provided between the middle part of the double-headed screw 10 and the guide rod 12. A movable plate 13 is threadedly connected to the double-headed screw 10, and the other end of the movable plate 13 is slidably arranged on the guide rod 12. A lifting hydraulic rod 14 is fixedly connected to the top of the movable plate 13, and a blocking shaft 15 is fixedly provided at the telescopic end of the lifting hydraulic rod 14, and the movable plate 13 and the blocking shaft 15 are symmetrically arranged at the two ends of the double-headed screw 10.

[0025] like Figure 4 As shown, the height adjustment mechanism 3 includes a winding rod 16 rotatably connected between the two side walls of the support frame 1, a winding motor 17 for driving the winding rod 16 to rotate is fixedly provided on one side wall of the support frame 1, a lifting belt 18 is wound around the winding rod 16, and the lifting belt 18 is symmetrically arranged at both ends of the winding rod 16, and a support block 19 fixedly connected to the side wall of the support box 9 is fixedly provided at the bottom of the lifting belt 18.

[0026] like Figure 4 As shown, the angle adjustment mechanism 4 includes a transmission shaft 20 fixedly connected to the top wall of the support frame 1, the transmission shaft 20 is rotatably connected to the top wall of the transparent cover 5, a rotating motor 21 for driving the transmission shaft 20 to rotate is fixedly provided on the top wall of the transparent cover 5, and a driven shaft 22 rotatably connected to the bottom wall of the transparent cover 5 is fixedly provided on the bottom wall of the support frame 1.

[0027] When in use, the user rotates the transparent door 6 to open it, then places the gearbox between the two groups of blocking shafts 15 above the support box 9, and then rotates the transparent door 6 to close the transparent cover 5. The user can observe the detection status of the gearbox inside through the transparent cover 5, and then open the lifting hydraulic rod 14 according to the height of the oil seal hole on the gearbox to make it extend and retract, so as to facilitate the blocking shaft 15 to adjust the height and align with the oil seal hole, and then turn on the driving motor 11 to make it rotate forward, so that the double-headed screw 10 rotates forward and drives the two groups of moving plates 13 to move relatively along the guide rod 12, so that the two groups of moving plates 13 and the oil seal hole are aligned. The aligned sealing shaft 15 is relatively moved and inserted into the gearbox to seal the oil seal hole. Gas is introduced into the gearbox for air tightness detection. The winding motor 17 is turned on to rotate forward to drive the lifting belt 18 to wind up and drive the slider 8 and the support box 9 to move upward along the support groove 7, so as to facilitate the adjustment of the observation height of the gearbox. The rotating motor 21 is turned on to drive the transmission shaft 20 and the support frame 1 to rotate along the driven shaft 22, so as to facilitate the gearbox to rotate and observe the air tightness test results in all directions. The above is the entire use process of the gearbox sealing detection auxiliary tooling.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0030] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A gearbox sealing detection auxiliary tool, including a support frame, characterized in that: And a positioning mechanism arranged on the support frame, also including a height adjustment mechanism, the height adjustment mechanism is arranged on the support frame, and also including an angle adjustment mechanism, the angle adjustment mechanism is arranged on the support frame, a transparent cover is fixed on the angle adjustment mechanism, and a transparent door is hingedly connected to the side wall of the transparent cover.

2. The gearbox sealing detection auxiliary tooling according to claim 1 is characterized in that: The positioning mechanism includes a support groove provided on the side wall of the support frame, a slider is slidably connected to the support groove, a support box is fixedly connected to the slider, a double-headed screw is rotatably connected between the two side walls of the support box, a driving motor for driving the double-headed screw to rotate is fixedly provided on one side wall of the support box, a guide rod is fixedly provided between the two side walls of the support box, a movable plate is threadedly connected to the double-headed screw, the other end of the movable plate is slidably arranged on the guide rod, a lifting hydraulic rod is fixedly connected to the top of the movable plate, and a blocking shaft is fixedly provided at the telescopic end of the lifting hydraulic rod.

3. The gearbox sealing detection auxiliary tooling according to claim 2 is characterized in that: The height adjustment mechanism includes a winding rod rotatably connected between two side walls of the support frame, a winding motor driving the winding rod to rotate is fixedly provided on one side wall of the support frame, a lifting belt is wound around the winding rod, and a support block fixedly connected to the side wall of the support box is fixed at the bottom of the lifting belt.

4. The gearbox sealing detection auxiliary tooling according to claim 3 is characterized in that: The angle adjustment mechanism comprises a transmission shaft fixedly connected to the top wall of the support frame, a rotating motor driving the transmission shaft to rotate is fixedly arranged on the top wall of the transparent cover, and a driven shaft rotationally connected to the bottom wall of the transparent cover is fixedly arranged on the bottom wall of the support frame.

5. The gearbox sealing detection auxiliary tooling according to claim 4 is characterized in that: A slide groove is arranged on the top wall of the support box, a bearing seat is fixedly arranged on the double-headed screw and the middle part of the guide rod, and a transmission shaft is rotatably connected to the top wall of the transparent cover.

6. The gearbox sealing detection auxiliary tooling according to claim 5 is characterized in that: The support groove and the sliding block are symmetrically arranged at the two ends of the support frame, the moving plate and the blocking shaft are symmetrically arranged at the two ends of the double-headed screw, and the lifting belt is symmetrically arranged at the two ends of the winding rod.

7. The gearbox sealing detection auxiliary tool according to claim 6, characterized in that: The support frame is arranged in a square frame shape, and the sliding block is arranged in an inclined T shape.

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