Three-degree-of-freedom planetary gearbox fault detection device

Abstract

The utility model discloses a three-degree-of-freedom planetary gearbox fault detection device, and relates to the technical field of gearbox fault detection devices. Comprising a mobile vehicle; the input shaft control tool is placed on the moving trolley; the high-pressure air bottle is connected to the mobile vehicle; and the gas circuit connecting pipe is connected with a bottle opening of the high-pressure air bottle. After the components of the clutch and the brake are installed, the high-pressure air bottle inflates the air distribution holes in the long middle hub to simulate a hydraulic oil way to pressurize the three-degree-of-freedom planetary gearbox, whether separation and combination of friction plates in the components are in a normal working state or not can be detected, and the working efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of gearbox fault detection devices, and in particular to a fault detection device for a three-degree-of-freedom planetary gearbox. Background Technology

[0002] During the maintenance of armored equipment, it was discovered that the lack of specialized tools for fault detection in the three-free planetary gearbox led to inaccurate test results and unclear causes of faults, making the repair and replacement of planetary gearboxes difficult and affecting the overall maintenance speed of armored equipment. Utility Model Content

[0003] To address the problems in existing technologies, this utility model provides a fault detection device for a three-degree-of-freedom planetary gearbox, comprising:

[0004] Mobile vehicle;

[0005] The input axis control tool is placed on the mobile vehicle;

[0006] A high-pressure air cylinder is connected to the mobile vehicle;

[0007] The gas connection pipe is connected to the opening of the high-pressure air cylinder.

[0008] Furthermore, a pressure gauge is connected to the gas connection pipe.

[0009] Furthermore, a valve is connected to the gas connection pipe.

[0010] Furthermore, the input axis control tool includes:

[0011] The drive ring is equipped with internal spline teeth that match the external spline of the connecting sleeve of the rotating coupling.

[0012] Furthermore, a drive handle is connected to the drive ring.

[0013] Furthermore, the end of the gas connection pipe is connected to a double-joint gas pipe.

[0014] Furthermore, the high-pressure air cylinder is connected to the mobile vehicle via a clamp.

[0015] The beneficial effects of the technical solution provided by this utility model are as follows: After the installation of the clutch and brake components, the gas distribution hole on the long intermediate hub is filled with high-pressure air through a high-pressure air bottle to simulate the hydraulic oil circuit and pressurize the three-degree-of-freedom planetary gearbox. This can detect whether the separation and engagement of the friction plates in each component are in normal working condition, thereby improving work efficiency. Attached Figure Description

[0016] Figure 1This is a schematic diagram of the structure of a three-degree-of-freedom planetary gearbox fault detection device provided by this utility model;

[0017] Figure 2 This is a structural schematic diagram of a mobile vehicle provided by this utility model;

[0018] Figure 3 This is a structural schematic diagram of an input axis control tool provided by this utility model.

[0019] Attached reference numerals: 1-Mobile vehicle; 2-High-pressure air cylinder; 3-Gas connection pipe; 4-Pressure gauge; 5-Valve; 6-Drive ring; 7-Drive handle; 8-Double-joint gas pipeline; 9-Clamping clamp; 10-Wheel caster; 11-Push handle; 12-Placement rod; 13-Vehicle body. Detailed Implementation

[0020] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0022] It should be noted that in this embodiment, the orientation or positional relationship indicated by terms such as "bottom," "top," "left," and "right" is based on the orientation or positional relationship shown in the accompanying drawings. It is used only for the convenience of describing this application and for simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this application. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0023] It should also be noted that, in this embodiment, unless otherwise explicitly specified and limited, the terms "set" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0024] A fault detection device for a three-degree-of-freedom planetary gearbox includes: a mobile body 1, the mobile body including a body 13, two universal wheels 10 rotatably connected to one end of the bottom of the body 13, two push handles 11 welded to the other end of the body 13, an input shaft control tool and a high-pressure air cylinder 2 connected to the body 13, and an air circuit connecting pipe 3 connected to the bottle mouth of the high-pressure air cylinder 2; the mobile body is mainly used to fix the high-pressure air cylinder and the input shaft control tool, so as to facilitate the movement of the tool during the maintenance process.

[0025] The input shaft control tool includes a drive ring 6, which has internal spline teeth that match the external splines of the connecting sleeve of the rotating coupling. A drive handle 7 is welded to the outer wall of the drive ring 6. When using the input shaft control tool, the internal components of the three-degree-of-freedom planetary gearbox are rotated by rotating the connecting sleeve of the coupling.

[0026] A pressure gauge 4 and a valve 5 are connected to the gas connection pipe 3. The end of the gas connection pipe 3 away from the high-pressure air cylinder is connected to a double-joint gas pipe 8. The gas distribution hole is an M10×1 internal thread interface. The double-joint pipe end is equipped with an external thread ferrule connector. Tighten it with a torque wrench to avoid overtightening and causing thread deformation. Wrap Viton fluororubber sealing tape around the threads for sealing. Each pipe of the double-joint gas pipe 8 can be connected to a valve.

[0027] It should be noted that the long intermediate hub of the three-degree-of-freedom planetary gearbox has two independent oil passages (corresponding to the clutch / brake assembly). Oil passage A controls the Φ1 brake and Φ2 clutch, and oil passage B controls the Φ3 clutch and Φ4 / Φ5 brake. Therefore, during use, the gas distribution hole on the long intermediate hub is connected to the dual-connector gas pipe 8. The gas distribution hole on the long intermediate hub is filled with air to simulate the hydraulic oil circuit to pressurize the three-degree-of-freedom planetary gearbox and control the separation and engagement of the friction plates of the Φ1 brake, Φ2 clutch, Φ3 clutch, Φ4 brake, and Φ5 brake.

[0028] Controlled by a dual-connector gas pipe 8, the control state of the gear distribution mechanism is simulated when the driver engages gears. In neutral, only the friction plates of the Φ4 brake are engaged; in first gear, only the friction plates of the Φ3 clutch and Φ4 brake are engaged; in second gear, only the friction plates of the Φ1 brake and Φ4 brake are engaged; in third gear, only the friction plates of the Φ1 brake and Φ3 clutch are engaged; in fourth gear, only the friction plates of the Φ4 brake and Φ3 clutch are engaged; in fifth gear, only the friction plates of the Φ3 clutch and Φ2 clutch are engaged; and in reverse gear, only the friction plates of the Φ5 brake and Φ3 clutch are engaged. When simulating the driver's control of the gear distribution mechanism during gear engagement, an air circuit is used to simulate a hydraulic circuit. In first gear and reverse gear, the air circuit pressure is controlled by an air valve to simulate the hydraulic circuit value, ensuring the pressure is between 1.7 and 1.8 MPa, and the pressure values ​​for second, third, fourth, and fifth gears are between 1.1 and 1.2 MPa. The degree of separation of the friction plates in each component is observed to ensure it is within normal limits.

[0029] Furthermore, the high-pressure air cylinder 2 is connected to the mobile vehicle 1 by a clamp 9. The clamp 9 can be a two-piece clamp, one piece of which is welded to the vehicle body. The high-pressure air cylinder 2 is placed between the two clamp pieces and then fixed with bolts, making the high-pressure air cylinder 2 more stable.

[0030] Furthermore, four placement rods 12 are welded onto the vehicle body 13, and the drive ring 6 of the input shaft control tool is placed between the four placement rods 12, which facilitates the fixing of the input shaft control tool when pushing the moving vehicle body 1, and also makes it easy to disassemble during use.

[0031] It is worth noting that after the installation of the clutch and brake components, pressurizing the three-degree-of-freedom planetary gearbox by filling the gas distribution holes on the long intermediate hub with high-pressure air can simulate the hydraulic circuit. This allows for the detection of whether the separation and engagement of the friction plates in each component are in normal working order, improving work efficiency and reducing rework. This device significantly improves the efficiency of planetary gearbox fault detection, eliminates safety hazards, and has a simple and effective manufacturing process, requiring only basic knowledge of lathe, milling, and welding, which facilitates the promotion of specialized tools.

[0032] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A fault detection device for a three-degree-of-freedom planetary gearbox, characterized in that, include: Mobile vehicle (1); The input axis control tool is placed on the mobile vehicle (1); High-pressure air cylinder (2) is connected to the mobile vehicle (1); The gas connection pipe (3) is connected to the bottle mouth of the high-pressure air bottle (2).

2. The three-degree-of-freedom planetary gearbox fault detection device according to claim 1, characterized in that, A pressure gauge (4) is connected to the gas connection pipe (3).

3. The three-degree-of-freedom planetary gearbox fault detection device according to claim 1, characterized in that, A valve (5) is connected to the gas connection pipe (3).

4. The three-degree-of-freedom planetary gearbox fault detection device according to claim 1, characterized in that, The input axis control tool includes: The drive ring (6) is provided with internal spline teeth, which match the external spline of the connecting sleeve of the rotating coupling.

5. The three-degree-of-freedom planetary gearbox fault detection device according to claim 4, characterized in that, A drive handle (7) is connected to the drive ring (6).

6. The three-degree-of-freedom planetary gearbox fault detection device according to claim 1, characterized in that, The end of the gas connection pipe (3) is connected to a double-joint gas pipe (8).

7. The three-degree-of-freedom planetary gearbox fault detection device according to claim 1, characterized in that, The high-pressure air cylinder (2) is connected to the mobile vehicle (1) by a clamp (9).

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