A gear box maintenance device

Abstract

The utility model belongs to gear box maintenance test technical field discloses a gear box maintenance device, and the specific technical scheme is: including main body support, be equipped with motor drive arrangement and two parallel arrangement's axle stand on main body support, be provided with V type support block and fixed clamp on axle stand, two gyro wheels are rotatively connected with the opening both ends of V type support block, and one end of fixed clamp is hinged in one end of V type support block, and the other end of fixed clamp is locked in the other end of V type support block through the lock catch, and test motor is supported on main body support through motor support, and the output shaft of test motor is connected with axle through the adapter tool, be equipped with injection and drainage mechanism on main body support, and oil pipe is connected with the inside of gear box through quick -fit joint, and oil drain pipe is connected with the inside of gear box through quick -fit joint, the utility model discloses the connecting mode of the support tool and the quick buckle of axle, can realize the quick disassembly of axle, reduces injection and drainage time, improves gear box maintenance efficiency.

Description

Technical Field

[0001] This utility model belongs to the field of gearbox maintenance and testing technology, and specifically discloses a maintenance device suitable for rail transit gearboxes. Background Technology

[0002] Gearboxes require maintenance after a period of storage. This involves injecting lubricating oil into the gearbox and running it in both forward and reverse directions at a specified low speed. This lubricates the bearings and gears within the gearbox and helps maintain its performance. Currently, gearbox maintenance can only be performed on a running-in test bench. However, the tooling for running-in testing is complex to install and disassemble, making it inefficient and energy-intensive for gearbox maintenance, and unsuitable for the maintenance needs of large-scale gearboxes. Utility Model Content

[0003] To address the technical problems existing in the prior art, this utility model provides a gearbox maintenance device that is energy-efficient, easy to operate, and highly efficient.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a gearbox maintenance device, including a main support, a motor drive device and two parallel shaft brackets are provided on the main support, one shaft bracket is arranged at one end of the main support, the other shaft bracket is arranged close to the motor drive device, and the motor drive device is arranged at the other end of the main support.

[0005] The axle bracket is equipped with a V-shaped support block and a fixing clamp. A first roller is rotatably connected to one open end of the V-shaped support block, and a second roller is rotatably connected to the other open end. The first and second rollers are symmetrically arranged about the center line of the V-shaped support block, forming a support structure. One end of the fixing clamp is hinged to one end of the V-shaped support block, and the other end is locked to the other end of the V-shaped support block by a latch. Releasing the latch opens the fixing clamp, allowing the axle to be placed on the V-shaped support block; tightening the latch locks the axle onto the V-shaped support block.

[0006] The motor drive unit includes a motor bracket and a test motor. The test motor is supported on the main frame by the motor bracket, and its output shaft faces the axle bracket. An adapter fixture is mounted on the output shaft of the test motor, connecting it to the axle. The test motor drives the axle to rotate. A speed sensor is integrated into the test motor, which monitors the motor's speed and feeds it back to the PLC.

[0007] The main support frame is equipped with an input side support plate to support the input end of the gearbox.

[0008] The main support is equipped with an oil injection and drainage mechanism, which includes an oil injection pipe, an oil drainage pipe, an oil injection device, and an oil drainage device. Both the oil injection device and the oil drainage device are mounted on the main support. The oil injection pipe is arranged above the oil drainage pipe. The oil injection device is connected to one end of the oil injection pipe, and a quick connector is connected to the other end of the oil injection pipe. The oil injection pipe is connected to the inside of the gearbox through the quick connector. The oil drainage device is connected to one end of the oil drainage pipe, and a quick connector is connected to the other end of the oil drainage pipe. The oil drainage pipe is connected to the inside of the gearbox through the quick connector.

[0009] The main support is equipped with a control console, which includes an electrical cabinet. The top of the electrical cabinet is equipped with a display screen, an oil injection / drainage control button, and a motor control button. A frequency converter cabinet is installed on one side of the electrical cabinet. The gearbox is precisely oiled using the oil injection / drainage control button and the motor control button.

[0010] The latch includes a handle, a hook fixed to the fixing clamp, and a base fixed to the V-shaped support block. One end of the handle is hinged to the base, and the other end of the handle is free. The middle part of the handle is hinged to one end of the locking ring. The other end of the locking ring is hooked onto the hook. When the handle is rotated clockwise to the limit position, the position between the fixing clamp and the base is locked. When the handle is rotated counterclockwise to the limit position, the locking ring disengages from the hook.

[0011] Compared with the prior art, the specific advantages of this utility model are as follows: This utility model, by setting a support fixture with a gearbox and using a quick-release buckle connection, can achieve quick assembly and disassembly of the gearbox with axle, while ensuring that the axle will not detach from the axle bracket during rotation; This utility model is equipped with an oil injection and drainage device, and through PLC control, it can achieve precise control during gearbox maintenance, reducing oil injection and drainage time; This utility model is a customized fixture, which achieves a stable connection between the axle and the motor shaft through an adapter fixture, making quick and convenient. Attached Figure Description

[0012] Figure 1 This is the front view of the present invention.

[0013] Figure 2 This is a top view of the present invention.

[0014] Figure 3 This is a schematic diagram of the structure where the axle is placed on the axle bracket.

[0015] Figure 4 for Figure 3 A magnified view of a portion of point A in the middle.

[0016] In the diagram, 1 is the main support frame, 2 is the motor drive device, 21 is the motor support, 22 is the test motor, 23 is the adapter fixture, 3 is the shaft frame, 31 is the V-shaped support block, 32 is the fixing clamp, 33 is the first roller, 34 is the second roller, 35 is the buckle, 351 is the base, 352 is the handle, 353 is the locking ring, 354 is the hook, 4 is the axle, 5 is the gearbox, 6 is the oil injection and drainage mechanism, 61 is the oil injection pipe, 62 is the oil drainage pipe, 63 is the oil injection device, 64 is the oil drainage device, 7 is the control console, 71 is the electrical cabinet, 72 is the display screen, 73 is the oil injection and drainage control button, 74 is the motor control button, 75 is the frequency converter cabinet, and 8 is the input side support plate. Detailed Implementation

[0017] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0018] like Figure 1-4 As shown, a gearbox maintenance device includes a main support 1, on which a motor drive device 2 and two parallelly arranged shaft brackets 3 are provided. One shaft bracket 3 is arranged at one end of the main support 1, and the other shaft bracket 3 is arranged close to the motor drive device 2. The motor drive device 2 is arranged at the other end of the main support 1.

[0019] A V-shaped support block 31 and a fixing clamp 32 are arranged on the axle bracket 3. A first roller 33 is rotatably connected to one open end of the V-shaped support block 31, and a second roller 34 is rotatably connected to the other open end of the V-shaped support block 31. The first roller 33 and the second roller 34 are symmetrically arranged about the center line of the V-shaped support block 31, forming a support structure. One end of the fixing clamp 32 is hinged to one end of the V-shaped support block 31, and the other end of the fixing clamp 32 is locked to the other end of the V-shaped support block 31 by a latch 35. When the latch 35 is released, the fixing clamp 32 opens and the axle 4 can be placed on the V-shaped support block 31; when the latch 35 is locked, the axle 4 is locked on the V-shaped support block 31, but the fixing clamp 32 does not contact the axle 4.

[0020] The motor drive device 2 includes a motor bracket 21 and a test motor 22. The test motor 22 is supported on the main support 1 by the motor bracket 21. The output shaft of the test motor 22 is arranged facing the shaft bracket 3. The output shaft of the test motor 22 is equipped with a transition fixture 23. The transition fixture 23 integrates a cross-shaped telescopic coupling. One end of the cross-shaped telescopic coupling is connected to the axle 4, and the other end of the cross-shaped telescopic coupling is connected to the motor shaft of the test motor 22 through a keyway. The test motor 22 drives the axle 4 to rotate.

[0021] The test motor 22 is equipped with a speed sensor, which monitors the motor speed and feeds it back to the PLC to control the axle to reach the specified speed.

[0022] The main support 1 is provided with an input side support plate 8, which is used to support the input end of the gearbox 5.

[0023] The main support 1 is equipped with an oil injection and drainage mechanism 6, which includes an oil injection pipe 61, an oil drainage pipe 62, an oil injection device 63, and an oil drainage device 64. The oil injection pipe 61 is arranged above the oil drainage pipe 62. The oil injection device 63 and the oil drainage device 64 are both installed on the main support 1. The oil injection device 63 is connected to one end of the oil injection pipe 61, and a quick connector is connected to the other end of the oil injection pipe 61. The oil injection pipe 61 is connected to the inside of the gearbox 5 with shaft through the quick connector. The oil drainage device 64 is connected to one end of the oil injection pipe 64, and a quick connector is connected to the other end of the oil drainage pipe 62. The oil drainage pipe 62 is connected to the inside of the gearbox 5 with shaft through the quick connector.

[0024] The oil injection device 63 also includes an oil pump motor, a filter, a flow meter, etc. After the oil injection pipe 61 is connected to the gearbox 5, the gearbox 5 is precisely injected with oil through the oil injection button 73 and PLC control. The oil discharge device 64 also includes a magnetic filter, an oil discharge pump, etc. After the maintenance procedure of the gearbox 5 is completed, the oil in the gearbox 5 can be pumped back to the waste oil tank through the oil discharge button 73 and PLC control.

[0025] The main support 1 is equipped with a control console 7, which includes an electrical cabinet 71. The top of the electrical cabinet 71 is equipped with a display screen 72, an oil injection / drainage control button 73, and a motor control button 74. A frequency converter cabinet 75 is installed on one side of the electrical cabinet 71. The gearbox 5 with shaft is precisely oiled by using the oil injection / drainage control button 73 and the motor control button 74.

[0026] The latch 35 includes a handle 352, a hook 354 fixed on the fixing clip 32, and a base 351 fixed on the V-shaped support block 31. One end of the handle 352 is hinged to the base 351, and the other end of the handle 352 is free. The middle part of the handle 352 is hinged to one end of the locking ring 353. The other end of the locking ring 353 is hooked on the hook 354. When the handle 352 is rotated clockwise to the limit position, the position between the fixing clip 32 and the base 351 is locked. When the handle 352 is rotated counterclockwise to the limit position, the locking ring 353 is disengaged from the hook 354.

[0027] The working process of this utility model is as follows: Rotate the handles 352 on both latches 35 counterclockwise to the limit position, the locking ring 353 disengages from the hook 354, loosen the fixing clamp 32, use a crane to lift the gearbox 5 with shaft, place the axle 4 on the first roller 33 and the second roller 34 on the V-shaped support blocks 31 of the two shaft frames 3, adjust the position of the axle 4 and connect it to the output shaft of the test motor 22 through the adapter 23, rotate the fixing clamp 32 and fasten the axle 4 on the shaft frame 3, hang the locking ring 353 on the corresponding hook 354, rotate the handle 352 clockwise to the limit position to achieve mechanical self-locking and limit the axle 4 on the V-shaped support block 31 to ensure that the installation is in place; at the same time, the input end of the gearbox 5 is placed on the input side support plate 8.

[0028] Connect the oil injection pipe 61 to the oil injection port of the gearbox 5 via a quick connector, and connect the oil discharge pipe 62 to the oil discharge port of the gearbox 5 via a quick connector. Press the oil injection control button in the oil injection / discharge control button 73 to inject the specified volume of lubricating oil into the gearbox 5 via the oil injection device 63 and the oil injection pipe 61. Set the speed and forward / reverse rotation time of the gearbox 5 on the display screen 72. Press the motor control button 74 to start the test motor 22. The test motor 22 drives the axle 4 to rotate. The speed sensor controls the axle to reach the specified speed. The axle 4 drives the gear inside the shaft gearbox 5 to throw the lubricating oil at the bottom to the various parts and bearings inside the shaft gearbox 5. After the program is completed, press the oil drain control button in the oil filling and drain control button 73, use the oil drain device 64 and oil drain pipe 62 to drain the lubricating oil out of the shaft gearbox 5, remove the oil filling pipe 61, oil drain pipe 62 and adapter 23, loosen the two fixing clamps 32, and remove the shaft gearbox 5 from the maintenance device to complete the maintenance.

[0029] The PLC control, electrical cabinet 71, display screen 72, oil injection / drainage control button 73, and motor control button 74 in this utility model can all be implemented using existing mature control systems. This utility model only involves improvements to the mechanical hardware; the related software control is merely a technical means to achieve the corresponding functions and does not involve software innovation.

[0030] 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 and improvements made within the spirit and principles of the present utility model shall be included within the scope of the present utility model.

Claims

1. A gearbox maintenance device, characterized in that, Includes a main support (1), on which a motor drive device (2) and two parallel shafts (3) are provided, one of which is located at one end of the main support (1) and the motor drive device (2) is located at the other end of the main support (1); The shaft frame (3) is provided with a V-shaped support block (31) and a fixing clip (32). The opening end of the V-shaped support block (31) is rotatably connected to a first roller (33), and the other end of the opening of the V-shaped support block (31) is rotatably connected to a second roller (34). One end of the fixing clip (32) is hinged to one end of the V-shaped support block (31), and the other end of the fixing clip (32) is locked to the other end of the V-shaped support block (31) by a latch (35). The motor drive device (2) includes a motor bracket (21) and a test motor (22). The test motor (22) is supported on the main support (1) by the motor bracket (21). The output shaft of the test motor (22) is arranged facing the shaft frame (3). The output shaft of the test motor (22) is equipped with a transition tool (23). The test motor (22) is integrated with a speed sensor. The main support (1) is provided with an oil injection and drainage mechanism (6). The oil injection and drainage mechanism (6) includes an oil injection pipe (61), an oil drainage pipe (62), an oil injection device (63), and an oil drainage device (64). The oil injection device (63) and the oil drainage device (64) are both installed on the main support (1). The oil injection device (63) is connected to the oil injection pipe (61), and the oil drainage device (64) is connected to the oil drainage pipe (62). The oil injection pipe (61) is arranged above the oil drainage pipe (62). The main support (1) is provided with an input side support plate (8); The main support (1) is equipped with a control console (7).

2. The gearbox maintenance device according to claim 1, characterized in that, The first roller (33) and the second roller (34) are arranged symmetrically about the center line of the V-shaped support block (31).

3. A gearbox maintenance device according to claim 2, characterized in that, The latch (35) includes a handle (352), a hook (354) fixed on the fixing clip (32), and a base (351) fixed on the V-shaped support block (31). One end of the handle (352) is hinged to the base (351), and the other end of the handle (352) is free. The middle part of the handle (352) is hinged to one end of the locking ring (353). The other end of the locking ring (353) is hooked on the hook (354). When the handle (352) is rotated clockwise to the limit position, the position between the fixing clip (32) and the base (351) is locked. When the handle (352) is rotated counterclockwise to the limit position, the locking ring (353) disengages from the hook (354).

4. A gearbox maintenance device according to claim 2, characterized in that, The control console (7) includes an electrical cabinet (71), the top of which is equipped with a display screen (72), an oil injection / drainage control button (73) and a motor control button (74), and a frequency converter cabinet (75) is installed on one side of the electrical cabinet (71).

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