Auxiliary device for disassembling coupling of speed reducer

Abstract

The utility model relates to the technical field of electromechanical equipment maintenance, in particular to a speed reducer coupling disassembly auxiliary device which comprises a disassembly device base and further comprises a first semicircular chuck and a second semicircular chuck. The disassembling device base is fixed with the first semicircular chuck and the second semicircular chuck through six connecting bolts; the first semicircular chuck and the second semicircular chuck are connected to the outer portion of the counter wheel shaft in a sleeved mode, so that the counter wheel shaft is located in the locking groove to be locked, the first semicircular chuck and the second semicircular chuck are fixedly connected with the disassembling device base in an engaged mode through the six connecting bolts, and the puller hydraulic cylinder is installed on the disassembling device base. And the puller hydraulic cylinder slowly pressurizes, the coupling is gradually withdrawn from the shaft in the shaft jacking process, disassembling of the speed reducer coupling is completed, the speed reducer coupling can be disassembled underground through the device, and the practicability is higher.

Description

Technical Field

[0001] This utility model relates to the field of electromechanical equipment maintenance technology, and in particular to an auxiliary device for disassembling reducer couplings. Background Technology

[0002] A speed reducer is a mechanical transmission device, mainly composed of gears (worm gears), a housing, bearings, and other key components. Its main function is to reduce speed and increase torque. It is widely used between electric motors, internal combustion engines, or other high-speed power sources and working machines or actuators to match speeds and transmit torque. Belt machine speed reducers are an important component of belt machines. Their main function is to reduce speed and increase torque through a transmission device to meet the operating requirements of the belt machine. Speed ​​reducers typically use gear transmission due to their high efficiency, compact structure, and suitability for high-power transmission.

[0003] The output shaft seal of the belt conveyor reducer is leaking oil, requiring disassembly and replacement of the seal on the coupling wheel underground. Disassembly of the belt conveyor reducer output shaft coupling wheel requires a 200T hydraulic puller, but the existing 200T electric hydraulic puller in the workshop is unusable underground. After studying the reducer coupling wheel structure, the workshop technicians decided to design and manufacture an auxiliary device for disassembling the reducer coupling wheel underground. Reducers can be classified according to transmission type as gear reducers, worm gear reducers, and planetary gear reducers. Gear reducers are commonly used in belt conveyors. Their structure includes an input shaft, output shaft, gears, etc. Gear reducers achieve speed reduction and torque increase through the meshing of gears with different numbers of teeth. The main technical parameters of the reducer include transmission ratio, output torque, and input speed. Maintenance requires regular inspection. Check the gear meshing to ensure normal gear operation; change the lubricating oil regularly to prevent oil contamination and insufficient oil level; check the wear of bearings and seals, and replace damaged parts in time. This process requires disassembling the coupling wheel using a disassembly device. The coupling wheel of the belt conveyor reducer is an important component of the belt conveyor. Its main function is to transmit the power of the motor to the drive drum, thereby driving the belt. The reducer coupling wheel is usually composed of a transmission drum, reducer, hydraulic coupling, frame, unloading drum, cleaner, etc. The coupling wheel is an important component connecting the reducer and the transmission device. It is usually fixed to the output shaft of the reducer with bolts. During disassembly, special tools are needed to loosen the bolts fixing the coupling wheel, and it may be necessary to use a puller or tapping tool to gently loosen the coupling wheel.

[0004] However, the existing belt conveyor reducer output shaft seal is leaking oil, requiring disassembly and replacement of the seal on the coupling wheel underground. Disassembly of the belt conveyor reducer output shaft coupling wheel requires the use of a 200T hydraulic puller. The existing 200T electric hydraulic puller in the workshop cannot be used underground and cannot play its role in disassembling the reducer coupling wheel. Utility Model Content

[0005] In order to overcome the problems that existing reducer wheels cannot be disassembled underground, and that 200T hydraulic pullers cannot be used underground, the disassembly process is relatively complicated to a certain extent.

[0006] The technical solution of this utility model is as follows: a gearbox wheel disassembly auxiliary device, including a disassembly device base, a first semicircular chuck and a second semicircular chuck, a puller hydraulic cylinder is provided inside the disassembly device base, and the disassembly device base is fixed to the first semicircular chuck and the second semicircular chuck by six connecting bolts.

[0007] Preferably, the first and second semicircular chucks are sleeved on the outside of the coupling shaft, so that the coupling shaft is locked inside the locking groove. The first and second semicircular chucks are engaged and fixedly connected to the base of the disassembly device by six connecting bolts. The puller hydraulic cylinder is installed on the base of the disassembly device. The puller hydraulic cylinder slowly pressurizes and gradually removes the coupling from the shaft during the lifting process, thus completing the disassembly of the reducer coupling. This device can realize the disassembly of the reducer coupling downhole, which is more practical.

[0008] Preferably, the base of the disassembly device has six end faces with second threaded holes, and the six connecting bolts are engaged and locked into the six second threaded holes.

[0009] Preferably, the surfaces of the first and second semicircular chucks are each provided with three first threaded holes, and six connecting bolts are engaged with the first and second semicircular chucks through the six first threaded holes.

[0010] Preferably, all six connecting bolts are fitted with nuts located above the first and second semicircular chucks to improve the overall fixing effect, thereby achieving the meshing and fixing function of the connecting bolts and enabling the disassembly device to be used underground.

[0011] Preferably, the hydraulic cylinder is 200T, and the hydraulic cylinder is fixed to the base of the disassembly device by a first fixing screw.

[0012] Preferably, extension blocks are fixedly connected to both the left and right sides of the first and second semicircular chucks, and the two extension blocks are fixed together by a second fixing screw.

[0013] Preferably, the first semicircular chuck and the second semicircular chuck are interlocked and have locking grooves inside.

[0014] The beneficial effects of this utility model are:

[0015] This gearbox wheel disassembly auxiliary device uses a first semi-circular chuck and a second semi-circular chuck fitted onto the outside of the wheel shaft, locking the wheel shaft inside the locking groove. The first and second semi-circular chucks are then engaged and fixedly connected to the disassembly device base by six connecting bolts. A puller hydraulic cylinder is installed on the disassembly device base. The puller hydraulic cylinder slowly pressurizes and gradually removes the wheel from the shaft during the jacking process, completing the disassembly of the gearbox wheel. This device enables the disassembly of the gearbox wheel underground, making it more practical. Attached Figure Description

[0016] Figure 1 The diagram shown is a three-dimensional structural schematic of the gearbox coupling disassembly auxiliary device of this utility model.

[0017] Figure 2 The image shown is a three-dimensional top view of the auxiliary device for disassembling the reducer coupling of this utility model.

[0018] Figure 3 The diagram shown is a three-dimensional structural schematic of the semi-circular chuck of this utility model.

[0019] Figure 4 The diagram shown is a three-dimensional structural schematic of the base of this utility model;

[0020] Figure 5 This utility model is shown. Figure 3 A magnified schematic diagram of the three-dimensional structure at point A.

[0021] Explanation of reference numerals in the attached drawings: 1. Disassembly device base; 2. Connecting bolt; 3. First semi-circular chuck; 4. Second semi-circular chuck; 5. Extension block; 6. Locking groove; 7. Nut; 8. Puller hydraulic cylinder; 9. First threaded hole; 10. Second threaded hole; 11. First fixing screw; 12. Second fixing screw. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Please see Figures 1-5 This utility model provides an embodiment of a gearbox coupling disassembly auxiliary device, including a disassembly device base 1, a first semi-circular chuck 3, and a second semi-circular chuck 4. A puller hydraulic cylinder 8 is installed inside the disassembly device base 1. The disassembly device base 1 is fixed to the first semi-circular chuck 3 and the second semi-circular chuck 4 by six connecting bolts 2. Figure 1As shown, the device includes a puller hydraulic cylinder 8. In this application, the structure of the puller hydraulic cylinder 8 is a prior art solution. The applicant will not provide a detailed description of the internal structure and components of the puller hydraulic cylinder 8 or their connection relationships. Therefore, the above-mentioned structure and connection relationships are all prior art. The applicant has not made any improvements to the components inside the puller hydraulic cylinder 8.

[0024] Please see Figures 1-2 In this embodiment, the six end faces of the disassembly device base 1 are provided with second threaded holes 10, and the six connecting bolts 2 are engaged and inserted into the six second threaded holes 10. The surfaces of the first semicircular chuck 3 and the second semicircular chuck 4 are provided with three first threaded holes 9. The six connecting bolts 2 are engaged with the first semicircular chuck 3 and the second semicircular chuck 4 through the six first threaded holes 9. Nuts 7 located above the first semicircular chuck 3 and the second semicircular chuck 4 are engaged and sleeved on the outside of the six connecting bolts 2. When disassembling the reducer gear, the first semicircular chuck 3 and the second semicircular chuck 4 are snapped onto the gear shaft, and the first semicircular chuck 3 and the second semicircular chuck 4 are sleeved on the outside of the gear shaft, so that the gear shaft is locked inside the locking groove 6. The first semicircular chuck 3 and the second semicircular chuck 4 are engaged and fixedly connected to the disassembly device base 1 by the six connecting bolts 2.

[0025] Please see Figures 3-5 In this embodiment, the hydraulic cylinder 8 is 200T. The hydraulic cylinder 8 is fixed to the base 1 of the disassembly device by the first fixing screw 11. Extension blocks 5 are fixedly connected to the left and right sides of the first semi-circular chuck 3 and the second semi-circular chuck 4. The two extension blocks 5 are fixed to each other by the second fixing screw 12. The first semi-circular chuck 3 and the second semi-circular chuck 4 are interlocked and have locking grooves 6 inside. The hydraulic cylinder 8 is fixed between the base 1 of the disassembly device and the output shaft by the first fixing screw 11. The hydraulic cylinder 8 is slowly pressurized. As the hydraulic cylinder 8 gradually pushes the shaft, the coupling wheel gradually disengages from the shaft, completing the disassembly of the reducer coupling wheel. This device can realize the disassembly of the reducer coupling wheel downhole, which is more practical.

[0026] During operation, when disassembling the reducer coupling, the first semi-circular chuck 3 and the second semi-circular chuck 4 are fastened onto the coupling shaft, and the first semi-circular chuck 3 and the second semi-circular chuck 4 are sleeved on the outside of the coupling shaft, so that the coupling shaft is locked inside the locking groove 6. The first semi-circular chuck 3 and the second semi-circular chuck 4 are engaged and fixedly connected to the disassembly device base 1 by six connecting bolts 2. The puller hydraulic cylinder 8 is fixed between the disassembly device base 1 and the output shaft by the first fixing screw 11. The puller hydraulic cylinder 8 is slowly pressurized, and as the puller hydraulic cylinder 8 gradually pushes the shaft, the coupling gradually exits from the shaft, completing the disassembly of the reducer coupling. This device can realize the disassembly of the reducer coupling underground, which is more practical.

[0027] Through the above steps, the first semicircular chuck 3 and the second semicircular chuck 4 are sleeved on the outside of the coupling shaft, so that the coupling shaft is locked inside the locking groove 6. The first semicircular chuck 3 and the second semicircular chuck 4 are engaged and fixedly connected to the disassembly device base 1 by six connecting bolts 2. The hydraulic cylinder 8 of the puller is installed on the disassembly device base 1 to solve the problem that the reducer coupling shaft cannot be disassembled underground, the 200T hydraulic puller cannot be used underground, and the disassembly process is relatively complicated to a certain extent.

Claims

1. A device for assisting in the disassembly of a reduction gear pair, comprising a disassembly device base (1), characterised in that: It also includes a first semicircular chuck (3) and a second semicircular chuck (4). The disassembly device base (1) is equipped with a puller hydraulic cylinder (8). The disassembly device base (1) is fixed to the first semicircular chuck (3) and the second semicircular chuck (4) by six connecting bolts (2).

2. The speed reducer wheel disassembly assisting device according to claim 1, characterized by: The disassembly device base (1) has six second threaded holes (10) on its six end faces, and the six connecting bolts (2) are engaged and inserted into the six second threaded holes (10).

3. The speed reducer wheel disassembly assisting device according to claim 1, characterized by: The surfaces of the first semicircular chuck (3) and the second semicircular chuck (4) are each provided with three first threaded holes (9). The six connecting bolts (2) are connected to the first semicircular chuck (3) and the second semicircular chuck (4) through the six first threaded holes (9).

4. The speed reducer wheel disassembly assisting device according to claim 1, characterized by: The six connecting bolts (2) are all fitted with nuts (7) located above the first semicircular chuck (3) and the second semicircular chuck (4).

5. The speed reducer wheel disassembly assisting device according to claim 1, characterized by: The hydraulic cylinder (8) is 200T, and the hydraulic cylinder (8) is fixed to the base (1) of the disassembly device by the first fixing screw (11).

6. The speed reducer wheel disassembly assisting device according to claim 1, characterized by: Both the first semicircular chuck (3) and the second semicircular chuck (4) are fixedly connected to extension blocks (5) on their left and right sides, and the two extension blocks (5) are fixed together by the second fixing screw (12).

7. The speed reducer wheel disassembly assisting device according to claim 1, characterized by: The first semicircular chuck (3) and the second semicircular chuck (4) are interlocked and have a locking groove (6) inside.

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