Transmission input shaft bearing disassembly mechanism

Abstract

The utility model discloses a transmission input shaft bearing disassembly mechanism, comprising a pull plate assembly, the pull plate assembly is sleeved on the outer side of a transmission shaft to be disassembled, one end of the pull plate assembly is abutted against a bearing on the transmission shaft, and a jacking piece is arranged at the other end, the jacking piece passes through the end of the pull plate assembly, and the end of the jacking piece is abutted against the end of the transmission shaft; a clamping ring assembly is sleeved on the outer side of the bearing, the clamping ring assembly is used to limit the bearing and the pull plate assembly, the bearing and the pull plate assembly are limited by the clamping ring assembly, when the jacking piece applies axial force to the transmission shaft, the relative stability of the bearing and the pull plate assembly is guaranteed, when the transmission shaft moves to a certain extent, the shaft and the bearing are separated, the outer ring assembly is disassembled, and the bearing can be disassembled. The device is easy to disassemble, will not cause damage to the bearing during the disassembly process, prolongs the service life of the bearing, saves disassembly time, and improves disassembly efficiency.

Description

Technical Field

[0001] The utility model belongs to the technical field of bearing disassembly, and relates to a transmission input shaft bearing disassembly mechanism. Background Art

[0002] The removal of the input shaft bearing of the 12-speed transmission has always been a problem that needs to be solved and optimized. Due to structural limitations, the disassembly of the box requires the input shaft bearing to be removed first before the input shaft and other components can be further removed. The bearing and the input shaft fit tightly together, and there is insufficient operating space for the bearing puller, so it cannot be used for disassembly. However, there are currently no other suitable disassembly tools, and it can only be disassembled with a flat-blade screwdriver. A flat-blade screwdriver can easily damage the bearing during disassembly, and the disassembly process is time-consuming and labor-intensive, wasting manpower, material and financial resources, and also affecting work efficiency. Utility Model Content

[0003] The utility model aims to solve the problems in the prior art that the bearings are easily damaged when being disassembled, and the disassembly process is time-consuming and labor-intensive, which affects the work efficiency, and provides a transmission input shaft bearing disassembly mechanism.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A transmission input shaft bearing disassembly mechanism comprises a pull plate assembly, the pull plate assembly is sleeved on the outer side of a transmission shaft to be disassembled, one end of the pull plate assembly abuts against a bearing on the transmission shaft, and the other end is provided with a push piece, the push piece passes through the end of the pull plate assembly, and the end of the push piece abuts against the end of the transmission shaft;

[0006] A clamping ring assembly is sleeved on the outer side of the bearing, and the clamping ring assembly is used to limit the bearing and the pull plate assembly.

[0007] The further improvement of the utility model is:

[0008] The pull plate assembly comprises a bottom pull plate, the bottom pull plate abuts against one end of the bearing, a connecting rod is arranged on the bottom pull plate, and one end of the connecting rod away from the bottom pull plate is connected to the top pull plate;

[0009] The jacking member is arranged on the jacking plate.

[0010] The connecting rod is a screw rod, and a plurality of the screw rods are distributed circumferentially.

[0011] There are four screws distributed circumferentially.

[0012] The clamping ring assembly includes an inner clamping ring, and the inner clamping ring is clamped on the outer side of the bottom pull plate and the bearing;

[0013] An outer clamping ring is sleeved outside the inner clamping ring.

[0014] The inner clamping ring is a semicircular structure, and is symmetrically clamped on the outer sides of the bottom pull plate and the bearing.

[0015] Both ends of the inner clamping ring are provided with step surfaces, the step surface at one end is clamped with the bearing, and the step surface at the other end is clamped with the bottom pull plate.

[0016] A step surface is arranged at one end of the outer clamping ring, and the step surface abuts against the end portions of the inner clamping ring and the bottom pull plate.

[0017] The jacking member is a jacking bolt, and after the jacking bolt penetrates the pull plate assembly, it can move axially along the pull plate assembly.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] The utility model discloses a transmission input shaft bearing disassembly mechanism, wherein a pull plate assembly serves as a main support and is sleeved on the outer side of a transmission shaft, one end of which is against a bearing to be disassembled, and a jacking piece arranged at the other end of the jacking piece is axially moved by rotation to apply an axial thrust to the transmission shaft, thereby pushing the transmission shaft to move axially, wherein the bearing and the pull plate assembly are limited by a clamping ring assembly, and when the jacking piece applies axial force to the transmission shaft, the relative stability of the bearing and the pull plate assembly is ensured, and when the transmission shaft moves to a certain extent, the shaft and the bearing are separated, and the outer ring assembly is disassembled to remove the bearing, and the device is easy to disassemble, and will not cause damage to the bearing during the disassembly process, thereby extending the service life of the bearing, saving disassembly time, and improving disassembly efficiency.

[0020] Furthermore, in the utility model, step surfaces are provided at both ends of the inner retaining ring, and the step surfaces at both ends cooperate to limit the axial position of the bearing and the bottom pull plate, thereby preventing the bearing or the bottom pull plate from moving when the transmission shaft moves initially.

[0021] Furthermore, in the utility model, a step surface is provided at one end of the outer clamping ring, and the step surface abuts against the ends of the inner clamping ring and the bottom pull plate. The outer clamping ring cooperates with the inner clamping ring to improve the effect of axial limiting. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is the overall structure diagram of the utility model;

[0024] Figure 2 For this utility model Figure 1 A magnified image of point A;

[0025] Figure 3 This is a structural diagram of the inner clamping ring of the utility model;

[0026] Figure 4 For the utility model Figure 4 AA cross-section diagram;

[0027] Figure 5 This is a structural diagram of the outer clamp ring of the utility model;

[0028] Figure 6 For the utility model Figure 5 AA cross-section diagram;

[0029] Figure 7 This is a screw structure diagram of the utility model;

[0030] Figure 8 This is a structural diagram of the bottom pull plate of the utility model;

[0031] Fig. 9 For the utility model Figure 8 BB cross-section diagram;

[0032] Fig.10 This is a structural diagram of the top pull plate of the utility model;

[0033] Fig.11 For the utility model Fig.10 BB cross-section diagram;

[0034] Fig.12 It is an assembly diagram of the utility model.

[0035] Among them: 1-inner clamping ring; 2-outer clamping ring; 3-bottom pull plate; 4-screw; 5-top pull plate; 6-nut; 7-jacking bolt; 8-bearing; 9-first shaft. DETAILED DESCRIPTION

[0036] 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.

[0037] 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.

[0038] 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.

[0039] 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.

[0040] 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.

[0041] 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.

[0042] The utility model is further described in detail below with reference to the accompanying drawings:

[0043] See also Figures 1 to 12 The utility model discloses a transmission input shaft bearing disassembly mechanism. The utility model is used to solve the problem of disassembly of the input shaft bearing of a 12-speed transmission, making the replacement and disassembly of the bearing simple and easy. The utility model specifically includes the following structures:

[0044] See also Figure 1The present embodiment discloses a transmission input shaft bearing disassembly mechanism, comprising a pull plate assembly, the pull plate assembly is sleeved on the outside of a transmission shaft to be disassembled, one end of the pull plate assembly abuts against a bearing on the transmission shaft, and the other end is provided with a jacking piece, the jacking piece passes through the end of the pull plate assembly, and the end of the jacking piece abuts against the end of the transmission shaft; a clamping ring assembly is sleeved on the outside of the bearing, and the clamping ring assembly is used to limit the bearing and the pull plate assembly.

[0045] See also Figures 7 to 11 , further, in this embodiment, the specific structure of the pull plate assembly is:

[0046] The pull plate assembly includes a bottom pull plate 3, which abuts against one end of the bearing to be removed, and on which a screw rod 4 is installed. An upper pull plate 5 is installed at the end of the screw rod 4 away from the bottom pull plate 3, and on which a jacking piece is installed.

[0047] Specifically, in the present embodiment, the jacking member is a jacking bolt 7, which passes through the jacking plate 5. The end of the jacking bolt 7 abuts against the end of the transmission shaft away from the bearing. The jacking bolt 7 is rotated, and the jacking bolt 7 begins to move axially along the jacking plate 5, further applying an axial thrust to the transmission shaft, pushing the transmission shaft to move axially and gradually separate from the bearing.

[0048] Furthermore, in this embodiment, there are four screw rods 4 distributed axially, and the connection between the screw rod 4 and the top pull plate 5 is connected and fixed by a nut 6 .

[0049] Furthermore, in this embodiment, the number of screws 4 can also be increased or decreased according to actual needs, as long as the purpose of this solution can be achieved.

[0050] See also Figures 2 to 6 , further, in this embodiment, the specific structure of the clamping ring assembly is:

[0051] The clamping ring assembly includes an inner clamping ring 1, which is sleeved on the outside of the bottom pull plate 3 and the bearing, and an outer clamping ring 2 is sleeved on the outside of the inner clamping ring 1, wherein the inner clamping ring 1 is a semicircular structure, and two inner clamping rings 1 are symmetrically installed, and step surfaces are arranged at both ends of the inner clamping ring 1. A step surface corresponding to one of the step surfaces of the inner clamping ring 1 is arranged on the bottom pull plate 3, and the two step surfaces are matched and connected to achieve axial limitation of the bottom pull plate 3, and the other step surface of the inner clamping ring 1 is clamped at the end of the bearing away from the bottom pull plate 3, and the step surfaces at both ends of the inner clamping ring 1 cooperate to achieve simultaneous limitation of the bottom pull plate 3 and the bearing.

[0052] At the same time, a step surface is set at one end of the outer clamping ring 2. The cross section of the outer clamping ring 2 is L-shaped. The step surface of the outer clamping ring 2 abuts against the bottom pull plate 3 and the end of the inner clamping ring 1 away from the bearing, thereby improving the limiting effect.

[0053] See also Fig.12, further, the specific tooling principle of this embodiment is:

[0054] First put the bottom pull plate 3 in, close to the bearing 8,

[0055] Then, two inner clamping rings 1 are symmetrically clamped into the clamping ring of the bearing 8, and the step surface at one end of the inner clamping ring 1 wraps around the bottom pull plate 3;

[0056] Use the outer clamping ring 2 to cover the outer side of the inner clamping ring 1. After being installed in place, the outer clamping ring 2 can wrap the inner clamping ring 1 to prevent it from separating;

[0057] Screw the four screws 4 into the four threaded holes of the bottom pull plate 3 and install them in place respectively, then insert the top pull plate 5 into the top of the four screws 4, and then use four nuts 6 to tighten the top pull plate 5 and the screws 4;

[0058] Use the jacking bolt 7 to screw into the threaded hole in the middle of the jacking plate 5. By screwing in the jacking bolt 7, the bearing 8 can be separated from the shaft 9, and the disassembly of the bearing 8 is completed.

[0059] This embodiment has a simple structure, realizes mechanized disassembly, reduces the labor intensity of disassembly, and can reduce damage to the bearing, prevent bearing failure, and improve disassembly efficiency.

[0060] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A transmission input shaft bearing disassembly mechanism, characterized in that: It comprises a pull plate assembly, which is sleeved on the outer side of a transmission shaft to be disassembled, one end of the pull plate assembly abuts against a bearing on the transmission shaft, and the other end is provided with a jacking piece, which passes through the end of the pull plate assembly, and the end of the jacking piece abuts against the end of the transmission shaft; A clamping ring assembly is sleeved on the outer side of the bearing, and the clamping ring assembly is used to limit the bearing and the pull plate assembly.

2. A transmission input shaft bearing disassembly mechanism according to claim 1, characterized in that: The pull plate assembly comprises a bottom pull plate (3), the bottom pull plate (3) abuts against one end of a bearing, a connecting rod is arranged on the bottom pull plate (3), and one end of the connecting rod away from the bottom pull plate (3) is connected to a top pull plate (5); The jacking member is arranged on the jacking plate (5).

3. A transmission input shaft bearing disassembly mechanism according to claim 2, characterized in that: The connecting rod is a screw rod (4), and a plurality of the screw rods (4) are distributed in the circumferential direction.

4. A transmission input shaft bearing disassembly mechanism according to claim 3, characterized in that: There are four screws (4) distributed in the circumferential direction.

5. The transmission input shaft bearing disassembly mechanism according to claim 2, characterized in that: The clamping ring assembly comprises an inner clamping ring (1), and the inner clamping ring (1) is clamped on the outer side of the bottom pull plate (3) and the bearing; An outer clamping ring (2) is sleeved on the outer side of the inner clamping ring (1).

6. A transmission input shaft bearing disassembly mechanism according to claim 5, characterized in that: The inner clamping ring (1) is a semicircular structure, and the inner clamping ring (1) is symmetrically clamped on the outer sides of the bottom pull plate (3) and the bearing.

7. A transmission input shaft bearing disassembly mechanism according to claim 6, characterized in that: Both ends of the inner clamping ring (1) are provided with step surfaces, the step surface at one end is clamped with the bearing, and the step surface at the other end is clamped with the bottom pull plate (3).

8. A transmission input shaft bearing disassembly mechanism according to claim 7, characterized in that: A step surface is provided at one end of the outer clamping ring (2), and the step surface abuts against the ends of the inner clamping ring (1) and the bottom pull plate (3).

9. The transmission input shaft bearing disassembly mechanism according to claim 1, characterized in that: The jacking member is a jacking bolt (7), and after the jacking bolt (7) penetrates the pull plate assembly, it can move axially along the pull plate assembly.

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