An adjusting pad with anti-rotation function, tapered roller bearing and power take-off

Abstract

This utility model discloses an adjusting pad with anti-rotation function. A protrusion is provided on the adjusting pad body, and a limiting groove is opened on the plane of the adjusting pad body to be mated. During installation, the side of the adjusting pad body away from the protrusion that protrudes axially is in contact with the roller bearing to be mated, and the protrusion is embedded in the limiting groove. This does not affect the mating installation between the adjusting pad body and the roller bearing. When rotating, the limiting groove limits the protrusion and restricts the circumferential rotation of the adjusting pad. This can achieve the positioning effect and reduce the wear of the non-wear-resistant surface, thus avoiding transmission system failure.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical transmission systems and relates to an adjusting pad with anti-rotation function, a tapered roller bearing and a power take-off. Background Technology

[0002] Currently, when helical gears are used in transmission devices, tapered roller bearings are chosen to counteract the axial force transmitted from the helical gears. The inner ring of the tapered roller bearing rotates circumferentially. To avoid direct contact with structures adjacent to the inner ring of the tapered roller bearing, which could damage the bearing or cause wear to nearby structures, a wear-resistant adjusting shim is added next to the tapered roller bearing. Since the wear-resistant adjusting shim rotates circumferentially under the force of the inner ring of the tapered roller bearing, if the structure used to position the shim is a non-wear-resistant surface, such as an iron or aluminum alloy surface, the material of this positioning structure will wear down after a period of use, losing its positioning function. This causes axial movement of the inner ring of the tapered roller bearing, affecting the transmission effect and, in severe cases, leading to transmission system failure. Utility Model Content

[0003] The purpose of this invention is to solve the problem in the prior art that, in order to avoid direct contact with the structure next to the inner ring of the tapered roller bearing and cause damage to the bearing or wear of the adjacent structure, a wear-resistant adjusting shim is added next to the tapered roller bearing. After a period of use, the material will wear down and lose its positioning function, causing axial movement of the inner ring of the tapered roller bearing, resulting in failure of the transmission system. The invention provides an adjusting shim with anti-rotation function.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: An adjusting pad with anti-rotation function includes an adjusting pad body, wherein the adjusting pad body is provided with a protrusion, the protrusion protruding axially along one side of the adjusting pad body; A limiting groove is made on the plane to which the adjusting pad body is to be mated. During installation, the protrusion is embedded in the limiting groove, and the side of the adjusting pad body away from the limiting groove is in contact with the roller bearing to be mated.

[0005] The further improvement of this utility model is as follows: The adjusting pad body has a groove on its side wall along the circumferential direction, and the protrusion is disposed in the groove.

[0006] The radial height of the protrusion along the adjusting pad body is less than the radial height of the groove.

[0007] The protrusion extends axially along one side of the adjusting pad body, with a size ranging from 3mm to 4mm.

[0008] The protrusion and the entire pad body are an integral structure.

[0009] When the protrusion is inserted into the limiting groove, there is a gap between the outer wall of the protrusion and the inner wall of the limiting groove.

[0010] A tapered roller bearing includes the adjusting shim described in this utility model, wherein the adjusting shim is disposed at one end of the tapered roller bearing.

[0011] The sidewall of the adjusting shim is in contact with the inner ring of the tapered roller bearing.

[0012] A power take-off device includes the adjusting pad described in this utility model.

[0013] The power take-off unit is equipped with a tapered roller bearing, the adjusting shim is assembled at one end of the tapered roller bearing, and the limiting groove is formed on the inner wall of the power take-off unit housing.

[0014] Compared with the prior art, the present invention has the following beneficial effects: This utility model discloses an adjusting pad with anti-rotation function. A protrusion is provided on the adjusting pad body, and a limiting groove is opened on the plane of the adjusting pad body to be mated. During installation, the side of the adjusting pad body away from the protrusion that protrudes axially is in contact with the roller bearing to be mated, and the protrusion is embedded in the limiting groove. This does not affect the mating installation between the adjusting pad body and the roller bearing. When rotating, the limiting groove limits the protrusion and restricts the circumferential rotation of the adjusting pad. This can achieve the positioning effect and reduce the wear of the non-wear-resistant surface, thus avoiding transmission system failure. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a first structural diagram of the adjusting pad of this utility model; Figure 2 This is a first structural diagram of the limiting groove of this utility model; Figure 3 This is an assembly drawing of the adjusting pad of this utility model; Figure 4 This is a second structural diagram of the adjusting pad of this utility model; Figure 5 This is the third structural diagram of the adjusting pad of this utility model; Figure 6 This is a second structural diagram of the limiting groove of this utility model.

[0017] Wherein: 1-Adjusting pad body; 2-Non-wear-resistant surface; 3-Tap roller bearing; 4-Protrusion; 5-Limiting groove; 6-Groove. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0019] 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 claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0020] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0021] In the description of the embodiments of this utility model, it should be noted that if terms such as "upper," "lower," "horizontal," or "inner" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use, they are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the utility model. Furthermore, terms such as "first" and "second" are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0022] Furthermore, the use of the term "horizontal" does not imply that the component must be absolutely horizontal, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0023] In the description of the embodiments of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0024] The present invention will now be described in further detail with reference to the accompanying drawings: See Figure 1 This utility model discloses an adjustment pad with anti-rotation function. To solve the problem of circumferential rotation of the adjustment pad, a protruding elbow 1 is added to the conventional adjustment pad. At the same time, a limiting groove 5 is opened on the non-wear-resistant surface 2 that mates with the adjustment pad. The elbow of the adjustment pad moves within a small range within the limiting groove 5, which greatly reduces the wear of the non-wear-resistant surface 2, ensures the positioning function of the non-wear-resistant surface 2, and ensures the normal use of the transmission device. Specifically, it includes the following steps: Example 1 See Figures 1 to 6 This utility model discloses an adjustment pad with anti-rotation function, including an adjustment pad body 1, on which a protrusion 4 is provided, the protrusion 4 protruding axially along one side of the adjustment pad body 1; a limiting groove 5 is formed on the plane to be matched with the adjustment pad body 1. During installation, the side of the adjustment pad body 1 away from the protrusion 4 protruding axially is in contact with the roller bearing to be matched, and the protrusion 4 is embedded in the limiting groove 5.

[0025] In this embodiment, a protrusion is provided on the adjusting pad body, and a limiting groove is opened on the plane of the adjusting pad body to be mated. During installation, the side of the adjusting pad body that protrudes axially away from the protrusion is in contact with the roller bearing to be mated, and the protrusion is embedded in the limiting groove. This does not affect the mating installation between the adjusting pad body and the roller bearing. When rotating, the limiting groove limits the protrusion and restricts the circumferential rotation of the adjusting pad. This can achieve the positioning effect and reduce the wear of the non-wear-resistant surface, thus avoiding transmission system failure.

[0026] Example 2 This utility model discloses an adjusting pad with anti-rotation function, including an adjusting pad body 1. The adjusting pad body 1 is provided with a protrusion 4, which protrudes axially along one side of the adjusting pad body 1. A limiting groove 5 is formed on the plane to be matched with the adjusting pad body 1. During installation, the side of the adjusting pad body 1 away from the protrusion 4 protrudes axially and is in contact with the roller bearing to be matched. The protrusion 4 is embedded in the limiting groove 5. A groove 6 is formed on the side wall of the adjusting pad body 1 along the circumferential direction, and the protrusion 4 is disposed in the groove 6.

[0027] Furthermore, in this embodiment, the inner wall of the protrusion 4 and the groove 6 are an integral structure, resulting in higher overall stability.

[0028] Example 3 This utility model discloses an adjusting pad with anti-rotation function, including an adjusting pad body 1. The adjusting pad body 1 is provided with a protrusion 4, which protrudes axially along one side of the adjusting pad body 1. A limiting groove 5 is formed on the plane to be matched with the adjusting pad body 1. During installation, the side of the adjusting pad body 1 away from the protrusion 4 protrudes axially and is in contact with the roller bearing to be matched. The protrusion 4 is embedded in the limiting groove 5. A groove 6 is formed on the side wall of the adjusting pad body 1 along the circumferential direction. The protrusion 4 is disposed in the groove 6. The radial height of the protrusion 4 along the adjusting pad body 1 is less than the radial height of the groove 6.

[0029] Furthermore, in this invention, the protrusion 4 protrudes axially along one side of the adjusting pad body 1 in a range of 3mm-4mm.

[0030] It should be noted that in this embodiment, the size range of the protrusion 4 protruding axially along one side of the adjusting pad body 1 is not completely limited. As long as the cooperation between the protrusion 4 and the limiting groove 5 can limit the adjustment pad during assembly, the adjustment pad can be rotated circumferentially.

[0031] Furthermore, in this utility model, the structure of the limiting groove 5 is not specifically limited, as long as the limiting groove 5 satisfies the limitation of the movement of the protrusion 4.

[0032] Furthermore, in this utility model, the specific structure of the protrusion 4 is not specifically limited, as long as the cooperation between the protrusion 4 and the limiting groove 5 can satisfy the limitation on the adjusting pad.

[0033] Furthermore, in this utility model, the protrusion 4 and the adjusting pad body 1 are an integral structure.

[0034] Example 4 This embodiment also discloses a tapered roller bearing, including an adjusting shim according to any embodiment of the present invention, wherein the adjusting shim is disposed at one end of the tapered roller bearing.

[0035] Example 5 This embodiment also discloses a power take-off (PTO), including an adjusting pad according to any embodiment of the present invention. Inside the PTO, the adjusting pad is installed in conjunction with a tapered roller bearing, and a limiting groove 5 is formed inside the PTO.

[0036] In this embodiment, the power take-off (PTO) can be a QC35A PTO, an AQC40 PTO, or an AQC40-B PTO.

[0037] Furthermore, the assembly process for using the adjustment pad disclosed in this embodiment includes: In actual use, the adjusting pad with the protrusion 4 rests on the inner ring of the tapered roller bearing on one side, and on the non-wear-resistant surface 2 with the limiting groove 5 on the other side. The protrusion 4 protrudes axially along the side wall of the adjusting pad towards the side away from the tapered roller bearing, and the protrusion 4 extends into the limiting groove 5.

[0038] When the transmission device is running, the inner ring of the tapered roller bearing 3 rotates around the circumference, causing the adjusting shim to rotate. Since the protrusion 4 is blocked by the limiting groove 5, the adjusting shim is effectively prevented from rotating around the circumference, thereby greatly reducing the wear of the non-wear-resistant surface 2.

[0039] The adjustment pad disclosed in this embodiment can be applied not only in power take-off units, but also in other transmission systems.

[0040] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An adjusting pad with anti-rotation function, characterized in that, It includes an adjustment pad body (1), on which a protrusion (4) is provided, the protrusion (4) protruding axially along one side of the adjustment pad body (1); A limiting groove (5) is opened on the plane to be matched with the adjusting pad body (1). During installation, the protrusion (4) is embedded in the limiting groove (5), and the side of the adjusting pad body (1) away from the limiting groove (5) is in contact with the roller bearing to be matched.

2. The adjusting pad with anti-rotation function according to claim 1, characterized in that, The adjusting pad body (1) has a groove (6) on its side wall along the circumferential direction, and the protrusion (4) is disposed in the groove (6).

3. An adjusting pad with anti-rotation function according to claim 2, characterized in that, The radial height of the protrusion (4) along the adjusting pad body (1) is less than the radial height of the groove (6).

4. An adjusting pad with anti-rotation function according to claim 2, characterized in that, The size range of the protrusion (4) protruding axially along one side of the adjusting pad body (1) is 3mm-4mm.

5. An adjusting pad with anti-rotation function according to claim 2, characterized in that, The protrusion (4) and the pad body (1) are an integral structure.

6. An adjusting pad with anti-rotation function according to claim 1, characterized in that, When the protrusion (4) is inserted into the limiting groove (5), there is a gap between the outer wall of the protrusion (4) and the inner wall of the limiting groove (5).

7. A tapered roller bearing, characterized in that, The adjustment shim as described in claim 1 is disposed at one end of the tapered roller bearing.

8. A tapered roller bearing according to claim 7, characterized in that, The sidewall of the adjusting shim is in contact with the inner ring of the tapered roller bearing.

9. A power take-off device, characterized in that, Includes the adjustment pad as described in claim 1.

10. A power take-off device according to claim 9, characterized in that, The power take-off unit is equipped with a tapered roller bearing, the adjusting shim is assembled at one end of the tapered roller bearing, and the limiting groove (5) is opened on the inner wall of the power take-off unit housing.

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