Dismounting device for shell and working cavity of hydraulic retarder

By designing a hydraulic retarder housing and working chamber removal device that uses a combination of threaded rod and two-jaw structures, the problem of cumbersome and laborious disassembly of the hydraulic retarder working chamber in the prior art is solved, and a more efficient disassembly process is achieved.

CN222857850UActive Publication Date: 2025-05-13SHAANXI FAST AUTO DRIVE GRP CO LTD
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Patent Information

Application Number
CN202420280260.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-05
Publication Date
2025-05-13
Estimated Expiration
2034-02-05

AI Technical Summary

Technical Problem

The operation of the existing hydraulic retarder working chamber is complicated during the disassembly process, and it is difficult to control the three-claw horses with a single person.

Method used

A hydraulic retarder housing and working chamber removal device is designed, using a combination of threaded rod and two-jaw structures to replace the three-jaw pulling horse, and through the connection between the support rod and the threaded sleeve, a whole tooling is formed.

Benefits of technology

Simplifies the disassembly process, improves work efficiency, reduces the laboriousness of single-person operation, and can use power tools to speed up the disassembly beat.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a dismounting device for a shell and a working cavity of a hydraulic retarder, which is characterized in that a three-jaw puller is replaced by a combined form of a threaded rod and a two-jaw structure, and tools are connected into a whole through the connection of the threaded rod and a supporting seat. In the working process, the supporting rods are inserted into the corresponding working cavity holes, the contact faces of the bottoms of the supporting rods and the shell serve as stress faces, meanwhile, through guiding and fixing of the working cavity holes, the tool and the working cavities are kept coaxial all the time, the clamping jaws are clamped into gear gaps, the threaded rods are tightened, the working cavities are driven to be disengaged, and therefore the shell and the working cavities are disassembled. And an outer hexagon is reserved above the threaded rod, an electric tool can be used for disassembling the working cavity, the working rhythm is accelerated, the threaded sleeve is fixed to the supporting plate through the threaded sleeve fixing bolt, and replacement is facilitated due to thread abrasion failure in the follow-up using process.
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Description

Technical Field

[0001] The utility model belongs to the technical field of hydraulic retarders, in particular to a hydraulic retarder housing and working chamber disassembly device. Background Art

[0002] The working chamber and the housing of the hydraulic retarder are assembled together by press-fitting, and a static seal is formed by the O-ring of the working chamber. During rework or maintenance, when the working chamber is disassembled, in order to pull it out of the housing, it is necessary to overcome the tension of the O-ring, use the support seat fixture to support it on the housing, and the screw of the three-jaw puller is against the crossbeam of the support seat fixture, and the claws are stuck in the gap between the gear and the bearing cover of the working chamber, and the working chamber is pulled out by tightening the screw.

[0003] However, this operation is rather complicated, and it is laborious for one person to operate the three-claw puller. Utility Model Content

[0004] The utility model provides a hydraulic retarder housing and working chamber disassembly device, which solves the problem of complicated operation and laborious control in the existing hydraulic retarder working chamber disassembly process.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A hydraulic retarder housing and working chamber disassembly device comprises a support plate, the support plate is connected to a support rod, a threaded sleeve is arranged on the support plate, a threaded rod is connected through the threaded sleeve, a thrust ball bearing is installed at the bottom of the threaded rod, a connecting rod is connected to the threaded rod, a clamp is connected to the connecting rod, and an anti-rotation plate is connected between the support plate and the connecting rod.

[0007] Preferably, there are two support rods, which are respectively connected to two sides of the support plate.

[0008] Preferably, the support rod is perpendicular to the support plate.

[0009] Preferably, the support rod is fixed to the support plate by support rod fixing bolts.

[0010] Preferably, the threaded sleeve is fixed to the support plate by threaded sleeve fixing bolts.

[0011] Preferably, the upper portion of the threaded rod is an outer hexagonal structure.

[0012] Preferably, there is a T-shaped stage below the threaded rod, and a thrust ball bearing is installed on the T-shaped stage.

[0013] Preferably, a through hole is provided on the threaded rod, and the connecting rod passes through the threaded rod through the through hole and is located above the thrust ball bearing.

[0014] Preferably, the anti-rotation plate is fixed to the support plate by anti-rotation plate fixing bolts.

[0015] Preferably, the clamping jaw is mounted on the connecting rod by means of a limit screw.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the utility model provides a hydraulic retarder housing and working chamber disassembly device, which uses a threaded rod and a two-claw structure combination to replace a three-claw puller, and the threaded rod and the support seat are connected to connect the tooling as a whole. During operation, the support rod is inserted into the corresponding working chamber hole, and the bottom of the support rod and the contact surface of the housing are used as the force-bearing surface. At the same time, the tooling is always kept in a coaxial position with the working chamber through the guiding fixation of the working chamber hole, and the claw is clamped into the gear gap. By tightening the threaded rod, the working chamber is driven to disengage, thereby completing the housing and working chamber disassembly work and improving work efficiency.

[0017] Furthermore, an external hexagon is reserved above the threaded rod, and an electric tool can be used to disassemble the working chamber, thereby speeding up the work rhythm. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a hydraulic retarder housing and working chamber disassembly device of the utility model;

[0019] In the figure, 1-support plate, 2-support rod, 3-support rod fixing bolt, 4-threaded rod, 5-threaded sleeve, 6-threaded sleeve fixing bolt, 7-thrust ball bearing, 8-anti-rotation plate, 9-anti-rotation plate fixing bolt, 10-connecting plate, 11-limit screw, 12-claw. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0023] In the description of the embodiments of the present utility model, it should be noted that if the terms "upper", "lower", "horizontal", "inner", etc. indicate an orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0024] In addition, if the term "horizontal" appears, it does not mean that the component must be absolutely horizontal, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", which does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0025] In the description of the embodiments of the present utility model, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0026] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0027] like Figure 1 As shown, the utility model provides a hydraulic retarder housing and working chamber disassembly device, including a support plate 1, the support plate 1 is connected to a support rod 2, a threaded sleeve 5 is provided on the support plate 1, a threaded rod 4 is penetrated and connected to the threaded sleeve 5, a thrust ball bearing 7 is installed at the bottom of the threaded rod 4, a connecting rod 10 is connected to the threaded rod 4, a clamping claw 12 is connected to the connecting rod 10, and an anti-rotation plate 8 is connected between the support plate 1 and the connecting rod 10.

[0028] Another embodiment of the utility model provides a hydraulic retarder housing and working chamber disassembly device, including a support plate 1, the support plate 1 is connected to a support rod 2, a threaded sleeve 5 is provided on the support plate 1, a threaded rod 4 is connected through the threaded sleeve 5, a thrust ball bearing 7 is installed at the bottom of the threaded rod 4, a connecting rod 10 is connected to the threaded rod 4, a clamping claw 12 is connected to the connecting rod 10, and an anti-rotation plate 8 is connected between the support plate 1 and the connecting rod 10.

[0029] There are two support rods 2, which are respectively connected to both sides of the support plate 1, so that the whole device is more stable.

[0030] Another embodiment of the utility model provides a hydraulic retarder housing and working chamber disassembly device, including a support plate 1, the support plate 1 is connected to a support rod 2, a threaded sleeve 5 is provided on the support plate 1, a threaded rod 4 is connected through the threaded sleeve 5, a thrust ball bearing 7 is installed at the bottom of the threaded rod 4, a connecting rod 10 is connected to the threaded rod 4, a clamping claw 12 is connected to the connecting rod 10, and an anti-rotation plate 8 is connected between the support plate 1 and the connecting rod 10.

[0031] The support rod 2 is perpendicular to the support plate 1 .

[0032] Another embodiment of the utility model provides a hydraulic retarder housing and working chamber disassembly device, including a support plate 1, the support plate 1 is connected to a support rod 2, a threaded sleeve 5 is provided on the support plate 1, a threaded rod 4 is connected through the threaded sleeve 5, a thrust ball bearing 7 is installed at the bottom of the threaded rod 4, a connecting rod 10 is connected to the threaded rod 4, a clamping claw 12 is connected to the connecting rod 10, and an anti-rotation plate 8 is connected between the support plate 1 and the connecting rod 10.

[0033] The support rod 2 is fixed to the support plate 1 by a support rod fixing bolt 3, so as to facilitate the subsequent replacement of the support rod 2.

[0034] Another embodiment of the utility model provides a hydraulic retarder housing and working chamber disassembly device, including a support plate 1, the support plate 1 is connected to a support rod 2, a threaded sleeve 5 is provided on the support plate 1, a threaded rod 4 is connected through the threaded sleeve 5, a thrust ball bearing 7 is installed at the bottom of the threaded rod 4, a connecting rod 10 is connected to the threaded rod 4, a clamping claw 12 is connected to the connecting rod 10, and an anti-rotation plate 8 is connected between the support plate 1 and the connecting rod 10.

[0035] The threaded sleeve 5 is fixed to the support plate 1 by means of threaded sleeve fixing bolts 6, so as to facilitate replacement due to thread wear and failure during subsequent use.

[0036] Another embodiment of the utility model provides a hydraulic retarder housing and working chamber disassembly device, including a support plate 1, the support plate 1 is connected to a support rod 2, a threaded sleeve 5 is provided on the support plate 1, a threaded rod 4 is connected through the threaded sleeve 5, a thrust ball bearing 7 is installed at the bottom of the threaded rod 4, a connecting rod 10 is connected to the threaded rod 4, a clamping claw 12 is connected to the connecting rod 10, and an anti-rotation plate 8 is connected between the support plate 1 and the connecting rod 10.

[0037] The upper part of the threaded rod 4 is an outer hexagonal structure, and an electric tool can be used to disassemble the working chamber to speed up the work rhythm.

[0038] Another embodiment of the utility model provides a hydraulic retarder housing and working chamber disassembly device, including a support plate 1, the support plate 1 is connected to a support rod 2, a threaded sleeve 5 is provided on the support plate 1, a threaded rod 4 is connected through the threaded sleeve 5, a thrust ball bearing 7 is installed at the bottom of the threaded rod 4, a connecting rod 10 is connected to the threaded rod 4, a clamping claw 12 is connected to the connecting rod 10, and an anti-rotation plate 8 is connected between the support plate 1 and the connecting rod 10.

[0039] Below the threaded rod 4 is a T-shaped platform, on which a thrust ball bearing 7 is installed, and a T-shaped platform structure is arranged below, which is more compatible with the entire structure.

[0040] Another embodiment of the utility model provides a hydraulic retarder housing and working chamber disassembly device, including a support plate 1, the support plate 1 is connected to a support rod 2, a threaded sleeve 5 is provided on the support plate 1, a threaded rod 4 is connected through the threaded sleeve 5, a thrust ball bearing 7 is installed at the bottom of the threaded rod 4, a connecting rod 10 is connected to the threaded rod 4, a clamping claw 12 is connected to the connecting rod 10, and an anti-rotation plate 8 is connected between the support plate 1 and the connecting rod 10.

[0041] The threaded rod 4 is provided with a through hole, and the connecting rod 10 passes through the threaded rod 4 through the through hole and is located above the thrust ball bearing 7 .

[0042] Another embodiment of the utility model provides a hydraulic retarder housing and working chamber disassembly device, including a support plate 1, the support plate 1 is connected to a support rod 2, a threaded sleeve 5 is provided on the support plate 1, a threaded rod 4 is connected through the threaded sleeve 5, a thrust ball bearing 7 is installed at the bottom of the threaded rod 4, a connecting rod 10 is connected to the threaded rod 4, a clamping claw 12 is connected to the connecting rod 10, and an anti-rotation plate 8 is connected between the support plate 1 and the connecting rod 10.

[0043] The anti-rotation plate 8 is fixed to the support plate 1 by the anti-rotation plate fixing bolts 9 . This structure can prevent the connecting rod 10 from rotating when the threaded rod 4 is tightened during operation.

[0044] Another embodiment of the utility model provides a hydraulic retarder housing and working chamber disassembly device, including a support plate 1, the support plate 1 is connected to a support rod 2, a threaded sleeve 5 is provided on the support plate 1, a threaded rod 4 is connected through the threaded sleeve 5, a thrust ball bearing 7 is installed at the bottom of the threaded rod 4, a connecting rod 10 is connected to the threaded rod 4, a clamping claw 12 is connected to the connecting rod 10, and an anti-rotation plate 8 is connected between the support plate 1 and the connecting rod 10.

[0045] The clamping jaw 12 is mounted on the connecting rod 10 via a limit screw 11 to prevent the clamping jaw 12 from falling off during the sliding process.

[0046] Working method:

[0047] 1. When disassembling, insert the tooling support rod 2 into the through hole corresponding to the working chamber of the retarder assembly, with the bottom in contact with the shell;

[0048] 2. Rotate the threaded rod 4 to a suitable position, ensure that the clamping jaw 12 can be smoothly inserted into the gap between the gear and the bearing cover, and hold the clamping jaw 12 with one hand, tighten the threaded rod 4, and release the hand after ensuring that the clamping jaw 12 is stressed;

[0049] 3. Tighten the threaded rod 4, and the working chamber will gradually come out of the shell. When it is completely out, lift the working chamber out of the shell and place it aside;

[0050] 4. Loosen 2-3 threads of the threaded rod 4, and the clamping claw 12 will be out of the gear gap, and the tooling can be taken out smoothly;

[0051] Although the embodiments of the present invention are described above in conjunction with the accompanying drawings, the present invention is not limited to the above-mentioned specific embodiments and application fields, and the above-mentioned specific embodiments are merely illustrative and instructive, rather than restrictive. Under the guidance of the specification, a person skilled in the art can make many forms without departing from the scope of protection of the claims of the present invention, all of which belong to the scope of protection of the present invention.

Claims

1. A hydraulic retarder housing and working chamber disassembly device, characterized in that: The invention comprises a support plate (1), wherein the support plate (1) is connected to a support rod (2), a threaded sleeve (5) is arranged on the support plate (1), a threaded rod (4) is connected through the threaded sleeve (5), a thrust ball bearing (7) is installed at the bottom of the threaded rod (4), a connecting rod (10) is connected to the threaded rod (4), a clamping claw (12) is connected to the connecting rod (10), and an anti-rotation plate (8) is connected between the support plate (1) and the connecting rod (10).

2. A hydraulic retarder housing and working chamber disassembly device according to claim 1, characterized in that: There are two support rods (2), which are respectively connected to two sides of the support plate (1).

3. A hydraulic retarder housing and working chamber disassembly device according to claim 1, characterized in that: The support rod (2) is perpendicular to the support plate (1).

4. A hydraulic retarder housing and working chamber disassembly device according to claim 1, characterized in that: The support rod (2) is fixed on the support plate (1) via a support rod fixing bolt (3).

5. A hydraulic retarder housing and working chamber disassembly device according to claim 1, characterized in that: The threaded sleeve (5) is fixed on the support plate (1) via a threaded sleeve fixing bolt (6).

6. A hydraulic retarder housing and working chamber disassembly device according to claim 1, characterized in that: The upper portion of the threaded rod (4) is an outer hexagonal structure.

7. A hydraulic retarder housing and working chamber disassembly device according to claim 1, characterized in that: Below the threaded rod (4) is a T-shaped platform, on which a thrust ball bearing (7) is installed.

8. A hydraulic retarder housing and working chamber disassembly device according to claim 1, characterized in that: The threaded rod (4) is provided with a through hole, and the connecting rod (10) passes through the threaded rod (4) through the through hole and is located above the thrust ball bearing (7).

9. A hydraulic retarder housing and working chamber disassembly device according to claim 1, characterized in that: The anti-rotation plate (8) is fixed on the support plate (1) via anti-rotation plate fixing bolts (9).

10. A hydraulic retarder housing and working chamber disassembly device according to claim 1, characterized in that: The clamping jaw (12) is mounted on the connecting rod (10) via a limit screw (11).