Leakage test plugging tool for speed reducer assembly

Abstract

The utility model discloses a speed reducer assembly leakage test plugging tool, which relates to the technical field of plugging tools and at least comprises a linear guide rail, a sliding seat, a fixed column, a movable column, a ratchet rack, a drag hook strip and two plugs. The linear guide rail is transversely arranged, and the sliding seat is arranged on the linear guide rail in a sliding mode. The upper end of the fixed column is fixed to the linear guide rail, the upper end of the movable column is fixed to the sliding seat, the lower end of the fixed column and the lower end of the movable column are each fixedly provided with a plug, and the two plugs are oppositely arranged. The ratchet rack is fixed to the linear guide rail, the rear end of the drag hook strip is hinged to the sliding seat, the front end of the drag hook strip can be turned upwards around a hinge point, and the front end of the drag hook strip is a drag hook matched with a ratchet on the ratchet rack. The utility model provides a leakage test plugging tool for a speed reducer assembly, which can realize quick plugging and can prevent a sealing ring and a locking nut from being scrapped due to unqualified airtightness.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing tooling, in particular to a leak testing and sealing tooling for a reducer assembly. Background Art

[0002] After the automobile reducer assembly is assembled, it needs to be tested for air tightness to check whether the interior of the assembly is sealed.

[0003] The traditional testing method involves assembling the output flanges of the two half-shafts, then installing the seals and locknuts. If this method fails to detect airtightness, the assembled output flanges must be removed. Once the output flanges are removed, the seals and locknuts cannot be reused, resulting in waste and increased labor costs.

[0004] Therefore, the problem of leak testing and sealing of the reducer assembly needs to be solved. Utility Model Content

[0005] In order to solve the above problems, the utility model proposes a speed reducer assembly leak testing and plugging tool that can achieve rapid plugging and will not cause the sealing ring and the locking nut to be scrapped due to unqualified airtightness.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A leak testing and sealing tool for a reducer assembly comprises at least a linear guide rail, a sliding seat, a fixed column, a movable column, a ratchet rack, a hook bar and two plugs; the linear guide rail is arranged horizontally, and the sliding seat is slidably arranged on the linear guide rail; the upper end of the fixed column is fixed to the linear guide rail, the upper end of the movable column is fixed to the sliding seat, and the lower end of the fixed column and the lower end of the movable column are each fixed with a plug, and the two plugs are arranged opposite to each other; the ratchet rack is fixed to the linear guide rail, the rear end of the hook bar is hinged to the sliding seat, and the front end of the hook bar can be flipped upward around the hinge point, and the front end of the hook bar is a hook that cooperates with the ratchet on the ratchet rack.

[0008] Preferably, the plug is divided into a positioning section and a sealing section from front to back. The positioning section and the sealing section are both cylindrical and coaxially arranged. The diameter of the positioning section is smaller than that of the sealing section.

[0009] Preferably, the ratchet rack is arranged along the length direction of the linear guide rail and is arranged on the upper side of the linear guide rail between the fixed column and the movable column, and the ratchet teeth of the ratchet rack face the side where the fixed column is arranged.

[0010] Preferably, the hook portion of the retractor faces downward.

[0011] The utility model has the following beneficial effects: 1. The sealing tool can quickly seal the half-shaft holes on both sides during the air-tightness test after the automobile reducer assembly is assembled; 2. It can reduce the workload of manual rework due to unqualified air-tightness, and at the same time avoid the scrapping of sealing rings and locking nuts due to unqualified air-tightness; 3. It is compatible with products with different center distances. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural diagram of the present utility model.

[0013] Figure 2 It is a structural schematic diagram of the plug in the utility model.

[0014] Figure 3 It is the front view of the ratchet rack in the utility model.

[0015] Figure 4 It is a top view of the ratchet rack in the utility model.

[0016] Figure 5 It is the main view of the draw hook strip in the utility model.

[0017] Figure 6 It is a top view of the draw hook strip in the utility model.

[0018] Figure 7 It is a structural schematic diagram of the utility model in the blocking state.

[0019] Figure 8 yes Figure 7 Enlarged view of point a in the middle.

[0020] 1: Linear guide rail; 2: Sliding seat; 3: Fixed column; 4: Movable column; 5: Ratchet rack; 6: Hook bar; 601: Hook; 7: Plug; 701: Positioning section; 702: Sealing section; 8: Reducer assembly; 9: Oil seal. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings and specific implementation plans.

[0022] A reducer assembly leak testing and plugging tool, see Figures 1 to 6 , at least includes a linear guide rail 1, a sliding seat 2, a fixed column 3, a movable column 4, a ratchet rack 5, a hook bar 6 and two plugs 7. The linear guide rail 1 is arranged horizontally, and the sliding seat 2 is slidably arranged on the linear guide rail 1.

[0023] The upper end of the fixed column 3 is fixed to the linear guide 1, and the upper end of the movable column 4 is fixed to the sliding seat 2. A plug 7 is fixed to the lower end of each fixed column 3 and movable column 4, and the two plugs 7 are arranged opposite each other. Each plug 7 is divided from front to back into a positioning section 701 and a sealing section 702. The positioning section 701 and the sealing section 702 are both cylindrical and coaxially arranged. The diameter of the positioning section 701 is smaller than that of the sealing section 702. The positioning section 701 is designed to extend into the differential bushing for positioning; the sealing section 702 is designed to extend into the oil seal 9 for sealing.

[0024] The ratchet rack 5 is fixed to the linear guide 1 and is arranged along the length of the linear guide 1. It is located on the upper side of the linear guide 1 between the fixed column 3 and the movable column 4, with the ratchet teeth of the ratchet rack 5 facing the side with the fixed column 3. The rear end of the retractor bar 6 is hinged to the sliding seat 2, and the front end of the retractor bar 6 can be flipped upward around the hinge point. The front end of the retractor bar 6 is a retractor 601 that cooperates with the ratchet teeth on the ratchet rack 5, and the hook portion of the retractor 601 faces downward.

[0025] When using the utility model to seal the reducer assembly, if Figure 7 、 Figure 8 As shown, first move the sliding seat 2 to the side away from the fixed column 3. Align the semi-axial hole on one side of the reducer assembly 8 with the plug 7 on the fixed column 3, so that the plug 7 on the fixed column 3 penetrates the semi-axial hole on this side and is pushed to the bottom. The positioning section 701 of the plug 7 cooperates with the bushing of the reducer assembly 8 to play a positioning role, and the step on the plug 7 plays a limiting role. The sealing section 702 of the plug 7 cooperates with the oil seal 9 at the outer opening of the semi-axial hole to achieve sealing. Then push the sliding seat 2 toward the fixed column 3, and the movable column 4, with the plug 7 on the movable column 4, approaches the other side of the reducer assembly 8 until the plug 7 on the movable column 4 and the semi-axial hole on the other side of the reducer assembly 8 achieve the same sealing as described above. Finally, turn the hook strip 6 over and place it on the ratchet rack 5, pull the hook strip 6 toward the fixed column 3, and hang the hook 601 of the hook strip 6 on the ratchet rack 5 as far as possible to stop the retreat and prevent the sliding seat 2 and the plug 7 on the sliding seat 2 from moving backward during the air tightness test. In this way, the sealing work is completed.

Claims

1. A leak detection and plugging tool for a reducer assembly, characterized by: The invention comprises at least a linear guide rail (1), a sliding seat (2), a fixed column (3), a movable column (4), a ratchet rack (5), a hook bar (6) and two plugs (7); the linear guide rail (1) is arranged horizontally, and the sliding seat (2) is slidably arranged on the linear guide rail (1); the upper end of the fixed column (3) is fixed to the linear guide rail (1), the upper end of the movable column (4) is fixed to the sliding seat (2), and the lower end of the fixed column (3) and the lower end of the movable column (4) are each fixed with a plug (7), and the two plugs (7) are arranged opposite to each other; the ratchet rack (5) is fixed to the linear guide rail (1), the rear end of the hook bar (6) is hinged to the sliding seat (2), the front end of the hook bar (6) can be turned upward around the hinge point, and the front end of the hook bar (6) is a hook (601) that cooperates with the ratchet on the ratchet rack (5).

2. The leak testing and plugging tool for a reducer assembly according to claim 1, characterized in that: The plug (7) is divided from front to back into a positioning section (701) and a sealing section (702); the positioning section (701) and the sealing section (702) are both cylindrical and coaxially arranged; the diameter of the positioning section (701) is smaller than the diameter of the sealing section (702).

3. The leak testing and plugging tool for a reducer assembly according to claim 1, characterized in that: The ratchet rack (5) is arranged along the length direction of the linear guide rail (1) and is arranged on the upper side of the linear guide rail (1) between the fixed column (3) and the movable column (4), with the ratchet teeth of the ratchet rack (5) facing the side where the fixed column (3) is arranged.

4. The leak testing and plugging tool for a reducer assembly according to claim 3, characterized in that: The hook portion of the retractor (601) faces downward.

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