A device for disassembling the drive gear ring of an AC locomotive

By designing an AC locomotive driving gear ring disassembly equipment that includes a mobile device and a disassembly integrated device, the problems of high torque and labor intensity during the disassembly of the AC locomotive driving gear ring are solved, and an efficient and safe ring disassembly process is achieved.

CN110712167BActive Publication Date: 2025-04-25CRRC LUOYANG CO LTD
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Patent Information

Application Number
CN201911029613.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2019-10-28
Publication Date
2025-04-25
Estimated Expiration
2039-10-28

AI Technical Summary

Technical Problem

During the disassembly of the gear ring of the AC locomotive driving gear, there is high torque, high labor intensity, high operation difficulty, low efficiency and low safety factor.

Method used

An AC locomotive driving gear ring disassembly device is designed, including a mobile device and a disassembly integrated device. The disassembly integrated device is composed of a fixing plate, a tensioning mechanism, a rear caster assembly, a bearing support assembly and an electric wrench. It combines the lifting and telescopic functions of the mobile device to achieve accurate disassembly of the ring gear.

Benefits of technology

Through this equipment, efficient disassembly of the ring gear can be achieved, labor intensity of operators can be reduced, production efficiency can be improved, and safety factor can be significantly improved.

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Abstract

The present invention discloses an AC locomotive drive gear ring disassembly device, comprising a moving device and a disassembly integrated device, wherein the disassembly integrated device is arranged above the moving device; the disassembly integrated device is composed of a fixed plate, a tensioning mechanism, a rear caster assembly, a bearing support assembly and an electric wrench, the tensioning mechanism is arranged at the lower left end of the fixed plate, the rear caster assembly is symmetrically arranged on both sides of the tensioning mechanism, the bearing support assembly is symmetrically arranged at the lower right end of the fixed plate, and the electric wrench is symmetrically arranged at the upper right end of the fixed plate; the fixed plate is a horizontally arranged "U"-shaped flat plate, and safety pins are symmetrically arranged at the upper left side of the fixed plate; the present invention can realize the operation of symmetrically disassembling two diagonal bolts in one work by adopting the coordinated use of the moving device and the disassembly integrated device, thereby improving production efficiency, saving time and labor, and greatly reducing the labor intensity of operators.
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Description

Technical Field

[0001] The invention belongs to the field of railway locomotive maintenance, and mainly relates to a device for disassembling a driving gear ring of an AC locomotive. Background Art

[0002] According to the repair process requirements of the Harmony AC electric locomotive C6, the components of the locomotive traction drive gear - the gear ring and the gear hub must be disassembled, inspected, and repaired, and reassembled according to technical standards after meeting the accuracy requirements. The gear ring and the gear hub are connected by bolts, with more than 50 connecting bolts. Due to the large installation torque, the application of thread glue during installation and the influence of the force during the movement of the workpiece, the torque is large during disassembly. When manual work is used, the disassembly labor intensity is high, the operation is difficult, the efficiency is low, and the safety factor is low. Summary of the invention

[0003] The purpose of the present invention is to provide a device for disassembling a gear ring of an AC locomotive drive gear. To achieve the above purpose, the present invention adopts the following technical solutions:

[0004] An AC locomotive drive gear ring disassembly device comprises a moving device and a disassembly integrated device, wherein the disassembly integrated device is arranged above the moving device; the disassembly integrated device is composed of a fixed plate, a tensioning mechanism, a rear caster assembly, a bearing support assembly and an electric wrench, wherein the tensioning mechanism is arranged at the lower left end of the fixed plate, the rear caster assembly is symmetrically arranged on both sides of the tensioning mechanism, the bearing support assembly is symmetrically arranged at the lower right end of the fixed plate, and the electric wrench is symmetrically arranged at the upper right end of the fixed plate; the fixed plate is a horizontally arranged "U"-shaped flat plate, safety pins are symmetrically arranged at the upper left side of the fixed plate, and an anti-slip plate and a handle are arranged at the right end of the fixed plate; the anti-slip plate is an arc-shaped plate, the anti-slip plate is arranged below the handle, and the end of the anti-slip plate is fixedly connected to the end of the fixed plate; the electric wrench passes through the fixed plate, and an electric wrench lifting cylinder is arranged at the lower left side of the electric wrench.

[0005] The tensioning mechanism is composed of a fixed seat A, a cylinder B, a push-pull rod, a connecting shaft and a tensioning wheel. The cylinder B is arranged on the left side of the fixed seat A, the push-pull rod is arranged on the right side of the cylinder B, the connecting shaft is vertically arranged on the right side of the push-pull rod, and the tensioning wheel is arranged at the lower part of the connecting shaft; the fixed seat A is an "L"-shaped plate, and an ear plate is arranged below the right end of the fixed seat A, and the upper part of the connecting shaft is connected to the fixed seat A through the ear plate; a rotating shaft is arranged in the middle of the connecting shaft, and the right end of the push-pull rod is rotatably connected to the rotating shaft on the connecting shaft.

[0006] The rear caster assembly consists of a fixed seat B and a rolling wheel A, and the rolling wheel A is arranged inside the fixed seat B; the rolling wheel A is a horizontally arranged barrel wheel, and a horizontally placed rolling shaft A is arranged in the middle of the rolling wheel A, and the two ends of the rolling shaft A are fixedly connected to the fixed seat B.

[0007] The bearing support assembly is composed of a fixed seat C, a rolling wheel B and a positioning wheel. The positioning wheels are vertically and evenly arranged on the lower left side of the fixed seat C, and the rolling wheel B is arranged on the right inner side of the fixed seat C; the rolling wheel B is a horizontally arranged barrel wheel, and a horizontally placed rolling shaft B is arranged in the middle of the rolling wheel B, and the rolling shaft B is fixedly connected to the fixed seat C. A positioning shaft is arranged in the middle of the positioning wheel, and the positioning shaft is rotatably connected to the positioning wheel.

[0008] The moving device is composed of a moving trolley, a lifting mechanism and a telescopic mechanism. The lifting mechanism is arranged on the upper right side of the moving trolley, and the telescopic mechanism is arranged on the upper part of the lifting mechanism; a vertical plate is arranged on the right side of the moving trolley, and a linear guide is vertically arranged on the right side surface of the vertical plate; the lifting mechanism is composed of a fixed frame and an electric telescopic cylinder, and the electric telescopic cylinder is arranged on the right side of the fixed frame; the fixed frame is an inverted "L"-shaped steel frame, and the fixed frame is symmetrically arranged on the right side of the vertical plate of the moving trolley, and an inclined plate is arranged at the lower part of the fixed frame. The left frame of the fixed frame is vertically provided with evenly distributed lifting sliders, which are slidably connected with the linear guide on the vertical plate, and the upper part of the fixed frame is provided There is a horizontal guide rail; the bottom of the electric telescopic cylinder is fixedly connected to the trolley, and the top is cooperatively connected to the fixed frame; the rear end of the horizontal guide rail is provided with a cylinder bracket and a cylinder A, the cylinder bracket is fixedly connected to the top of the fixed frame, and the cylinder A is arranged on the top surface of the vertical plate of the mobile trolley; the telescopic mechanism is composed of a slide plate and a fork plate, and the fork plate is symmetrically fixed on the upper part of the slide plate; the slide plate is a "U"-shaped plate, and a connecting head connected to the cylinder A is arranged in the middle of the left end of the slide plate, and a horizontal slider is arranged on the bottom surface of the slide plate, and the horizontal slider is slidably connected to the horizontal guide rail; the fork plate is a strip-shaped flat plate, and a circular pin hole is arranged on each fork plate; the pin hole is an internal threaded hole.

[0009] The lower part of the safety pin is provided with an external thread, which is threadedly connected with the circular threaded hole on the fork plate.

[0010] The bottom of the electric wrench is a detachable hexagonal bolt head.

[0011] To sum up, the present invention is an AC locomotive drive gear ring disassembly equipment, through the coordinated use of a mobile device and a disassembly integrated device. The disassembly integrated device uses a fixed frame as a platform, and integrates a bearing support device, a tensioning mechanism, and a rear caster assembly into one. It is easy to operate and can realize the lifting and rotation functions. The fixed two-axis tightening machine integrated device can realize the operation of symmetrically disassembling two diagonal bolts in one work, thereby improving production efficiency, saving time and effort, and greatly reducing the labor intensity of operators. BRIEF DESCRIPTION OF THE DRAWINGS

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

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

[0014] Figure 3 yes Figure 1 Schematic diagram of the disassembled integrated device structure.

[0015] Figure 4 yes Figure 1 Schematic diagram of the lifting mechanism.

[0016] Figure 5 yes Figure 1 Schematic diagram of the telescopic mechanism.

[0017] Figure 6 yes Figure 1 Schematic diagram of the tensioning mechanism.

[0018] Figure 7 yes Figure 1 Schematic diagram of the center and rear caster assembly.

[0019] Figure 8 yes Figure 1 Schematic diagram of the middle bearing support assembly.

[0020] In the figure: 1. lifting mechanism, 1-1. fixed frame, 1-2. horizontal guide rail, 1-3. inclined plate, 1-4. lifting slide block, 1-5. cylinder bracket, 1-6. electric telescopic cylinder, 1-7. cylinder A, 2. tensioning mechanism, 2-1. fixed seat A, 2-2. cylinder B, 2-3. push-pull rod, 2-4. connecting shaft, 2-5. tensioning wheel, 3. rear caster assembly, 3-1. fixed seat B, 3-2. rolling wheel A, 3-3. rolling shaft A, 4 , bearing support assembly, 4-1, fixed seat C, 4-2, rolling shaft B, 4-3, rolling wheel B, 4-4, positioning wheel, 4-5, positioning shaft, 5, telescopic mechanism, 5-1, slide plate, 5-2, connecting head, 5-3, limit block, 6, fork plate, 7, horizontal slider, 8, fixed plate, 9, anti-slip plate, 10, electric wrench, 10-1, electric wrench lifting cylinder, 11, safety pin, 12, handle, 13, pin hole, 14, linear guide. DETAILED DESCRIPTION

[0021] The present invention is described with reference to the accompanying drawings.

[0022] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8The present invention discloses an AC locomotive drive gear ring disassembly device, comprising a moving device and a disassembly integrated device, wherein the disassembly integrated device is arranged above the moving device; the disassembly integrated device is composed of a fixing plate 8, a tensioning mechanism 2, a rear caster assembly 3, a bearing support assembly 4 and an electric wrench 10, wherein the tensioning mechanism 2 is arranged at the lower left end of the fixing plate 8, the rear caster assembly 3 is symmetrically arranged on both sides of the tensioning mechanism 2, the bearing support assembly 4 is symmetrically arranged at the lower right end of the fixing plate 8, and the electric wrench 10 is symmetrically arranged at the right end of the fixing plate 8. Upper side; the fixed plate 8 is a horizontally arranged "U"-shaped flat plate, and a safety pin 11 is symmetrically arranged front and back on the left side of the fixed plate 8, and an anti-slip plate 9 and a handle 12 are arranged on the right end of the fixed plate 8; the anti-slip plate 9 is an arc-shaped plate, and the anti-slip plate 9 is arranged below the handle 12, and the end of the anti-slip plate 9 is fixedly connected to the end of the fixed plate 8. The setting of the anti-slip plate 9 can increase the use strength of the fixed plate 8; the electric wrench 10 passes through the fixed plate 8, and an electric wrench lifting cylinder 10-1 is arranged on the lower left side of the electric wrench 10.

[0023] The tensioning mechanism 2 is composed of a fixed seat A2-1, a cylinder B2-2, a push-pull rod 2-3, a connecting shaft 2-4 and a tensioning wheel 2-5. The cylinder B2-2 is arranged on the left side of the fixed seat A2-1, the push-pull rod 2-3 is arranged on the right side of the cylinder B2-2, the connecting shaft 2-4 is vertically arranged on the right side of the push-pull rod 2-3, and the tensioning wheel 2-5 is arranged at the lower part of the connecting shaft 2-4; the fixed seat A2-1 is an "L"-shaped plate, and an ear plate is arranged below the right end of the fixed seat A2-1, and the upper part of the connecting shaft 2-4 is connected to the fixed seat A2-1 through the ear plate; a rotating shaft is arranged in the middle part of the connecting shaft 2-4, and the right end of the push-pull rod 2-3 is rotatably connected to the rotating shaft on the connecting shaft 2-4. The setting of the tensioning mechanism 2 can make the disassembly integration device fit tightly with the inner end face of the gear ring.

[0024] The rear caster assembly 3 is composed of a fixed seat B3-1 and a rolling wheel A3-2, and the rolling wheel A3-2 is arranged inside the fixed seat B3-1; the rolling wheel A3-2 is a horizontally arranged barrel wheel, and a horizontally placed rolling shaft A3-3 is arranged in the middle of the rolling wheel A3-2, and both ends of the rolling shaft A3-3 are fixedly connected to the fixed seat B3-1; the setting of the rear caster assembly 3 can support the fixed seat A2-1.

[0025] The bearing support assembly 4 is composed of a fixed seat C4-1, a rolling wheel B4-3 and a positioning wheel 4-4. The positioning wheel 4-4 is vertically and evenly arranged on the lower left part of the fixed seat C4-1, and the rolling wheel B4-3 is arranged on the right inner part of the fixed seat C4-1; the rolling wheel B4-3 is a horizontally arranged barrel wheel, and a horizontally placed rolling shaft 4-2 is arranged in the middle of the rolling wheel B4-3, and the rolling shaft 4-2 is fixedly connected to the fixed seat C4-1. A positioning shaft 4-5 is arranged in the middle of the positioning wheel 4-4, and the positioning shaft 4-5 is rotatably connected to the positioning wheel 4-4; the bearing support assembly 4 and the tensioning mechanism 2 form three points, which play a role in accurately positioning the disassembly integration device.

[0026] The moving device is composed of a moving trolley, a lifting mechanism 1 and a telescopic mechanism 5. The lifting mechanism 1 is arranged on the upper right side of the moving trolley, and the telescopic mechanism 5 is arranged on the upper part of the lifting mechanism 1; a vertical plate is arranged on the right side of the moving trolley, and a linear guide rail 14 is vertically arranged on the right side surface of the vertical plate; the lifting mechanism 1 is composed of a fixed frame 1-1 and an electric telescopic cylinder 1-6, and the electric telescopic cylinder 1-6 is arranged on the right side of the fixed frame 1-1; the fixed frame 1-1 is an inverted "L"-shaped steel frame, and the fixed frame 1-1 is symmetrically arranged on the right side of the vertical plate of the moving trolley, and an inclined plate 1-3 is arranged at the lower part of the fixed frame 1-1, and the left side frame of the fixed frame 1-1 is vertically provided with uniformly distributed lifting sliders 1-4, which are slidably connected to the linear guide rail 14 on the vertical plate, and a horizontal guide rail 1-2 is arranged on the upper part of the fixed frame 1-1; The bottom of the electric telescopic cylinder 1-6 is fixedly connected to the trolley, and the top is cooperatively connected to the fixed frame 1-1; the rear end of the horizontal guide rail 1-2 is provided with a cylinder bracket 1-5 and a cylinder A1-7, the cylinder bracket 1-5 is fixedly connected to the top of the fixed frame 1-1, and the cylinder A1-7 is arranged on the top surface of the vertical plate of the mobile trolley; the telescopic mechanism 5 is composed of a slide plate 5-1 and a fork plate 6, and the fork plate 6 is symmetrically fixed on the upper part of the slide plate 5-1; the slide plate 5-1 is a "U"-shaped plate, and a connecting head 5-2 connected to the cylinder A1-7 is arranged in the middle of the left end of the slide plate 5-1, and a horizontal slider 7 is arranged on the bottom surface of the slide plate 5-1, and the horizontal slider 7 is slidably connected to the horizontal guide rail 1-2; the fork plate 6 is a strip-shaped flat plate, and a circular pin hole 13 is arranged on each fork plate 6; the pin hole 13 is an internal threaded hole. When the disassembly integrated device needs to work, the mobile device pushes the disassembly integrated device to the vicinity of the gear ring, the lifting mechanism 1 rises to the required height, and then the telescopic mechanism 5 pushes out the disassembly integrated device, so that the disassembly integrated device is completely separated from the mobile device.

[0027] The lower part of the safety pin 11 is provided with an external thread, which is threadedly connected to the circular threaded hole on the fork plate 6. The safety pin 11 can be fixedly placed on the fork plate 6 by the threaded setting.

[0028] The bottom of the electric wrench 10 is a detachable hexagonal bolt head, and the detachable bolt head can be used to disassemble gear rings of different types.

[0029] When using this equipment, first select the hexagonal bolt head of the matching electric wrench 10 according to the model of the gear ring, install it, push the mobile device to the vicinity of the gear ring, adjust the lifting mechanism 1 to raise it to the working height, operate the telescopic mechanism 5 to push the disassembly integrated device to the top of the gear ring to be disassembled, and then operate the lifting mechanism 1 to drop the disassembly integrated device on the upper part of the gear ring, so that the rolling wheel A3-2 of the rear caster assembly 3 and the rolling shaft B4-2 of the bearing support assembly 4 completely fall on the upper end surface of the gear ring, pull out the safety pin 11, separate the fork plate 6 from the disassembly integrated device, and then operate the tensioning mechanism 2 to fit the disassembly integrated device tightly with the inner end surface of the gear ring to ensure that the center of the disassembly integrated device is aligned with the center of the gear ring, and then align the electric wrench 10 with the first group of bolts, start the electric wrench lifting cylinder 10-1, and then disassemble the bolts in sequence to complete the required work.

[0030] The parts of the present invention that are not described in detail are prior art. Although the present invention is specifically demonstrated and introduced in conjunction with the preferred implementation scheme, there are many methods and approaches to specifically implement the technical solution. The above is only a preferred implementation scheme of the present invention, but technical personnel in the relevant field should understand that various changes can be made to the present invention in form and details without departing from the spirit and scope of the present invention as defined in the attached claims, and all of them are within the scope of protection of the present invention.

Claims

1. An AC locomotive drive gear ring disassembly device, comprising a moving device and a disassembly integrated device, wherein the disassembly integrated device is arranged above the moving device; wherein: The disassembly integrated device is composed of a fixing plate (8), a tensioning mechanism (2), a rear caster assembly (3), a bearing support assembly (4) and an electric wrench (10); the tensioning mechanism (2) is arranged at the lower left end of the fixing plate (8); the rear caster assembly (3) is symmetrically arranged on both sides of the tensioning mechanism (2); the bearing support assembly (4) is symmetrically arranged at the lower right end of the fixing plate (8); and the electric wrench (10) is symmetrically arranged at the upper right end of the fixing plate (8); the fixing plate (8) is horizontally arranged. A "U"-shaped flat plate is arranged, a safety pin (11) is symmetrically arranged on the left side of the fixing plate (8), and an anti-slip plate (9) and a handle (12) are arranged on the right end of the fixing plate (8); the anti-slip plate (9) is an arc-shaped plate, the anti-slip plate (9) is arranged below the handle (12), and the end of the anti-slip plate (9) is fixedly connected to the end of the fixing plate (8); the electric wrench (10) passes through the fixing plate (8), and an electric wrench lifting cylinder (10-1) is arranged on the left side of the lower part of the electric wrench (10).

2. The AC locomotive drive gear ring disassembly device according to claim 1, characterized in that: The tensioning mechanism (2) is composed of a fixed seat A (2-1), a cylinder B (2-2), a push-pull rod (2-3), a connecting shaft (2-4) and a tensioning wheel (2-5). The cylinder B (2-2) is arranged on the left side of the fixed seat A (2-1), the push-pull rod (2-3) is arranged on the right side of the cylinder B (2-2), the connecting shaft (2-4) is vertically arranged on the right side of the push-pull rod (2-3), and the tensioning wheel (2-5) is arranged at the bottom of the connecting shaft (2-4); the fixed seat A (2-1) is an "L"-shaped plate, an ear plate is arranged below the right end of the fixed seat A (2-1), and the upper part of the connecting shaft (2-4) is connected to the fixed seat A (2-1) through the ear plate; a rotating shaft is arranged in the middle of the connecting shaft (2-4), and the right end of the push-pull rod (2-3) is rotatably connected to the rotating shaft on the connecting shaft (2-4).

3. The AC locomotive drive gear ring disassembly device according to claim 1, characterized in that: The rear caster assembly (3) is composed of a fixed seat B (3-1) and a rolling wheel A (3-2), wherein the rolling wheel A (3-2) is arranged inside the fixed seat B (3-1); the rolling wheel A (3-2) is a horizontally arranged barrel wheel, wherein a horizontally arranged rolling shaft A (3-3) is arranged in the middle of the rolling wheel A (3-2), and both ends of the rolling shaft A (3-3) are fixedly connected to the fixed seat B (3-1).

4. The AC locomotive drive gear ring disassembly device according to claim 1, characterized in that: The bearing support assembly (4) is composed of a fixed seat C (4-1), a rolling wheel B (4-3) and a positioning wheel (4-4); the positioning wheel (4-4) is vertically and evenly arranged at the lower left side of the fixed seat C (4-1); the rolling wheel B (4-3) is arranged at the right inner side of the fixed seat C (4-1); the rolling wheel B (4-3) is a horizontally arranged barrel wheel; a horizontally placed rolling shaft B (4-2) is arranged in the middle of the rolling wheel B (4-3); the rolling shaft B (4-2) is fixedly connected to the fixed seat C (4-1); a positioning shaft (4-5) is arranged in the middle of the positioning wheel (4-4); the positioning shaft (4-5) is rotatably connected to the positioning wheel (4-4).

5. The AC locomotive drive gear ring disassembly device according to claim 1, characterized in that: The moving device is composed of a moving trolley, a lifting mechanism (1) and a telescopic mechanism (5), wherein the lifting mechanism (1) is arranged on the upper right side of the moving trolley, and the telescopic mechanism (5) is arranged on the upper part of the lifting mechanism (1); a vertical plate is arranged on the right side of the moving trolley, and a linear guide rail (14) is vertically arranged on the right side surface of the vertical plate; the lifting mechanism (1) is composed of a fixed frame (1-1) and an electric telescopic cylinder (1-6), and the electric telescopic cylinder (1-6) is arranged on the right side of the fixed frame (1-1); the fixed frame (1-1) is an inverted "L"-shaped steel frame, and the fixed frame (1-1) is symmetrically arranged on the right side of the vertical plate of the moving trolley, and an inclined plate (1-3) is arranged at the lower part of the fixed frame (1-1); the left frame body of the fixed frame (1-1) is vertically provided with evenly distributed lifting sliders (1-4) and is slidably connected to the linear guide rail (14) on the vertical plate, and a horizontal guide rail (1-2) is arranged on the upper part of the fixed frame (1-1); the electric telescopic cylinder (1-6) is arranged on the right side of the fixed frame (1-1); The bottom of the retractable cylinder (1-6) is fixedly connected to the trolley, and the top is cooperatively connected to the fixed frame (1-1); the rear end of the horizontal guide rail (1-2) is provided with a cylinder bracket (1-5) and a cylinder A (1-7); the cylinder bracket (1-5) is fixedly connected to the top of the fixed frame (1-1); the cylinder A (1-7) is arranged on the top surface of the vertical plate of the mobile trolley; the retractable mechanism (5) is composed of a slide plate (5-1) and a fork plate (6); the fork plate (6) is fixedly arranged on the slide plate symmetrically in front and back. The upper part of the plate (5-1); the slide plate (5-1) is a "U"-shaped plate, a connector (5-2) connected to the cylinder A (1-7) is provided at the middle of the left end of the slide plate (5-1), a horizontal slider (7) is provided on the bottom surface of the slide plate (5-1), and the horizontal slider (7) is slidably connected to the horizontal guide rail (1-2); the fork plate (6) is a strip-shaped flat plate, and a circular pin hole (13) is provided on each fork plate (6); the pin hole (13) is an internal threaded hole.

6. The AC locomotive drive gear ring disassembly device according to claim 1, characterized in that: The lower part of the safety pin (11) is provided with an external thread, and the external thread is threadedly connected to the circular threaded hole on the fork plate (6).

7. The AC locomotive drive gear ring disassembly device according to claim 2, characterized in that: The bottom of the electric wrench (10) is a detachable hexagon socket bolt head.

Citation Information

Patent Citations

  • Alternating-current locomotive driving gear ring disassembling equipment

    CN211193685U