CN223326299U - Dust ring assembly auxiliary device for excavator shaft - Google Patents
Dust ring assembly auxiliary device for excavator shaftInfo
- Publication number
- CN223326299U CN223326299U CN202422643005.8U CN202422643005U CN223326299U CN 223326299 U CN223326299 U CN 223326299U CN 202422643005 U CN202422643005 U CN 202422643005U CN 223326299 U CN223326299 U CN 223326299U
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- CN
- China
- Prior art keywords
- dust ring
- shaft
- connecting shaft
- excavator
- auxiliary device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
本实用新型公开了一种挖掘机轴用防尘圈装配辅助装置，属于挖掘机技术领域，包括限位板、内六角圆柱头螺钉、弹性挡圈、螺母、连接轴、压套以及开口销；所述连接轴的一端设置弹性挡圈，所述弹性挡圈的一端设置限位板，内六角圆柱头螺钉和螺母将弹性挡圈和限位板连接，所述内六角圆柱头螺钉的端部安装螺母；所述连接轴的另一端设置压套，所述压套的一端设置防尘圈，所述防尘圈的一端设置开口销。能够辅助防尘圈安装，保证防尘圈安装位置准确，设计精巧，结构简单，操作方便，能够有效提高挖掘机轴座防尘圈装配效率，并显著降低安装风险。
The utility model discloses an auxiliary device for assembling a dust ring for an excavator shaft, belonging to the technical field of excavators, and comprising a limit plate, a hexagon socket head screw, a circlip, a nut, a connecting shaft, a press sleeve, and a cotter pin; a circlip is provided at one end of the connecting shaft, a limit plate is provided at one end of the circlip, the hexagon socket head screw and the nut connect the circlip and the limit plate, and the nut is mounted at the end of the hexagon socket head screw; a press sleeve is provided at the other end of the connecting shaft, a dust ring is provided at one end of the press sleeve, and a cotter pin is provided at one end of the dust ring. The device can assist in the installation of the dust ring, ensure the accurate installation position of the dust ring, has a sophisticated design, a simple structure, and is easy to operate, can effectively improve the assembly efficiency of the dust ring on the excavator shaft seat, and significantly reduce the installation risk.
Description
Technical Field
The utility model belongs to the technical field of excavators, and particularly relates to a dust ring assembly auxiliary device for an excavator shaft.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In the assembly process of the movable arm shaft seat of the excavator, the installation of the dust ring of the shaft sleeve is a key link, and the traditional installation method is to directly press the dust ring into the shaft seat after being tightly attached to the shaft sleeve. The assembly mode has the advantages that the dustproof ring has certain flexibility, the inner structure of the shaft seat is airtight, the dustproof ring is easy to damage or deform due to direct pressing, the shaft sleeve is attached to the dustproof ring during assembly, then the dustproof ring is assembled in the shaft sleeve, the dustproof ring is easy to deform and shift, the dustproof ring is easy to cause assembly problems, so that the operation of the excavator is faulty, the space of the dustproof ring is airtight, the assembly conditions are difficult to observe outside, whether the dustproof ring is firmly assembled cannot be confirmed, the sealing performance of the dustproof ring is influenced, and potential safety hazards are possibly caused to the normal operation of the excavator. In addition, as the task of assembling the excavator increases, the inconvenience of the conventional method for assembling is increasingly remarkable, resulting in low assembling efficiency and increased operational risk.
Disclosure of utility model
According to the dust ring assembly auxiliary device for the excavator shaft, disclosed by the utility model, the installation of the dust ring can be assisted, the accurate installation position of the dust ring is ensured, the design is exquisite, the structure is simple, the operation is convenient, the assembly efficiency of the dust ring of the excavator shaft seat can be effectively improved, and the installation risk is obviously reduced.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
A dust ring assembly auxiliary device for an excavator shaft comprises a limiting plate, an inner hexagonal cylindrical head screw, an elastic retainer ring, a nut, a connecting shaft, a pressing sleeve and a cotter pin, wherein the elastic retainer ring is arranged at one end of the connecting shaft, the limiting plate is arranged at one end of the elastic retainer ring, the elastic retainer ring is connected with the limiting plate through the inner hexagonal cylindrical head screw and the nut, the nut is arranged at the end of the inner hexagonal cylindrical head screw, the pressing sleeve is arranged at the other end of the connecting shaft, the dust ring is arranged at one end of the pressing sleeve, and the cotter pin is arranged at one end of the dust ring.
Further, the middle part of limiting plate is equipped with the round hole, be equipped with a plurality of first screw on the limiting plate, a plurality of first screw encircles the round hole interval setting.
Furthermore, the limiting plate is sleeved on the connecting shaft, and the surface of the limiting plate is clung to the elastic retainer ring.
Further, the elastic retainer ring is fixedly connected with the connecting shaft, a plurality of second screw holes are formed in the elastic retainer ring, and the second screw holes are arranged at intervals around the connecting shaft.
Further, the first screw hole and the second screw hole are aligned in position, and the hexagon socket head cap screw is screwed into the first screw hole and the second screw hole in sequence.
Further, the pressing sleeve comprises a first annular table and a second annular table, wherein the second annular table is arranged at one end of the first annular table, and the first annular table and the second annular table are of an integrated structure.
Further, the first annular table is provided with a plurality of through holes, and the plurality of through holes are arranged at intervals around the second annular table.
Further, an annular piece is arranged on the connecting shaft and fixedly connected with the connecting shaft, and the surface of the annular piece is clung to the surface of the second annular table.
Further, the end part of the connecting shaft is provided with mounting holes, the mounting holes are symmetrically arranged, and the mounting holes are used for mounting cotter pins.
Further, the surface of the dust ring is clung to the surface of the first annular table.
Compared with the prior art, the utility model has the advantages and positive effects that:
The utility model improves the assembly precision, and the limit plate is designed to assist in positioning the dust ring so as to reduce poor sealing performance caused by position deviation. Prevent the dust ring from damaging in the assembly process, effectively prevent the deformation or the aversion of dust ring in the assembly process to the life of extension dust ring.
The utility model simplifies the assembly steps, and the design of the special shaft allows the shaft sleeve and the dustproof ring to be penetrated quickly, and the whole assembly process is simpler, more convenient and quicker by matching with the use of the cotter pin. The assembly adaptability is strong, and the assembly is carried out by changing the size of the pressing sleeve for the excavator shaft seat with different types of apertures, so that the convenience and the flexibility of operation are improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a cross-sectional view of a dust ring assembly assist apparatus for an excavator shaft of the present utility model;
FIG. 2 is a perspective view of the dust ring assembly aid for an excavator shaft of the present utility model;
FIG. 3 is an exploded view of the dust ring assembly aid for an excavator shaft of the present utility model;
The device comprises a limiting plate 1, a limiting plate 11, a first screw hole, a hexagonal socket head cap screw 2, a circlip 3, a second screw hole 31, a nut 4, a connecting shaft 5, a connecting shaft 51, an annular piece 52, a mounting hole 6, a pressing sleeve 61, a first annular table 62, a second annular table 63, a through hole 7, a cotter pin 8, a dust ring 9, a shaft sleeve 10 and an excavator shaft seat.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
The utility model is described in detail below with reference to the accompanying drawings, and the dust ring assembly auxiliary device for the excavator shaft disclosed by the embodiment comprises a limiting plate 1, a hexagonal socket head cap screw 2, a circlip 3, a nut 4, a connecting shaft 5, a pressing sleeve 6 and a cotter pin 7, wherein the circlip 3 is arranged at one end of the connecting shaft 5, the limiting plate 1 is arranged at one end of the circlip 3, the hexagonal socket head cap screw 2 and the nut 4 are used for connecting the circlip 3 with the limiting plate 1, the nut 4 is arranged at the end of the hexagonal socket head cap screw 2, the pressing sleeve 6 is arranged at the other end of the connecting shaft 5, the dust ring is arranged at one end of the pressing sleeve 6, and the cotter pin 7 is arranged at one end of the dust ring.
As shown in fig. 3, a round hole is formed in the middle of the limiting plate 1, a plurality of first screw holes 11 are formed in the limiting plate 1, and the first screw holes 11 are arranged at intervals around the round hole. The limiting plate 1 is sleeved on the connecting shaft 5, and the surface of the limiting plate 1 is clung to the circlip 3. The circlip 3 is fixedly connected with the connecting shaft 5, a plurality of second screw holes 31 are arranged on the circlip 3, and the plurality of second screw holes 31 are arranged around the connecting shaft 5 at intervals. The first screw hole 11 and the second screw hole 31 are aligned, and the hexagon socket head cap screw 2 is screwed into the first screw hole and the second screw hole in sequence.
The elastic retainer ring 3 is connected with the limiting plate 1 through the inner hexagonal cylindrical head screw 2 and the nut 4, the first screw holes 11 and the second screw holes 31 are identical in number and aperture, the same number of the inner hexagonal cylindrical head screws 2 and nuts are simultaneously arranged, one end face of each nut is tightly attached to the surface of the elastic retainer ring 3, and a shaft sleeve 9 is arranged at one end of the elastic retainer ring 3.
Limiting plate 1 is the circular plate, and the middle part of limiting plate 1 sets up the round hole, and connecting axle 5 passes the round hole and makes limiting plate 1 cover establish on connecting axle 5, comes the assistance-localization real-time dust ring through design limiting plate 1 to reduce the sealing performance that leads to because of the position deviation is not good. The position of the dust ring is limited by the limiting plate 1, as shown in fig. 1, one end face of the limiting plate 1 is clung to the outer surface of the excavator shaft seat 10 during installation, the position of the connecting shaft 5 is limited, the position of the dust ring sleeved on the connecting shaft 5 is further limited, and the installation position of the dust ring 8 is ensured to be accurate.
The press sleeve 6 comprises a first annular table 61 and a second annular table 62, wherein the second annular table 62 is arranged at one end of the first annular table 61, and the first annular table 61 and the second annular table 62 are of an integrated structure. The first annular table 61 is provided with a plurality of through holes 63, and the plurality of through holes 63 are arranged at intervals around the second annular table 62. The connecting shaft 5 is provided with an annular piece 51, the annular piece 51 is fixedly connected with the connecting shaft 5, and the surface of the annular piece 51 is clung to the surface of the second annular table 62. The end of the connecting shaft 5 is provided with mounting holes 52, the mounting holes 52 are symmetrically arranged, and the mounting holes 52 are used for mounting the cotter pin 7. The surface of the dust ring 8 is in close contact with the surface of the first annular table 61.
The pressing sleeve 6 is sleeved on the connecting shaft 5, one end of the pressing sleeve 6 is abutted against the annular piece 51 on the connecting shaft 5, the other end of the pressing sleeve 6 is tightly attached to the dust ring 8, the dust ring 8 is pushed to advance towards the inside of the shaft hole on the excavator shaft seat 10 through the pressing sleeve 6 when pushed, the cotter pin 7 arranged at the end part of the connecting shaft 5 is taken down after the pressing sleeve is pushed into the inside of the shaft hole, the pressing sleeve 6 is taken out of the shaft hole of the excavator shaft seat 10 (the caliber of the dust ring 8 is large, the cotter pin 7 can clamp the pressing sleeve 6 and can not bring the dust ring 8 out), the dust ring 8 is firstly arranged during installation, and then the shaft sleeve 9 is arranged, so that the whole surface of the dust ring 8 is tightly attached to the pressing sleeve 6, the dust ring 8 is pressed into the excavator shaft seat 10 together, damage of the dust ring 8 in the assembling process is effectively prevented, deformation or displacement of the dust ring 8 in the assembling process is effectively prevented, and the service life of the dust ring 8 is prolonged.
For the excavator shaft seat 10 with different types of apertures, the assembly is carried out by changing the size of the pressing sleeve 6, the size of the pressing sleeve 6 is matched with the size of the dust ring 8 and the size of the shaft hole on the excavator shaft seat 10, when the size of the shaft hole on the excavator shaft seat 10 is increased or decreased, the dust ring 8 with different types can be adopted, the pressing sleeve 6 with corresponding size is changed according to the size of the dust ring 8, the surface of the dust ring 8 is tightly attached to the surface of the pressing sleeve 6, the bending of the dust ring 8 in the pushing process is avoided, and the convenience and the flexibility of operation are improved.
The using method of the auxiliary device for assembling the dust ring comprises the step of fastening the limiting plate 1 and the connecting shaft 5 by using the hexagon socket head cap screw 2, the elastic retainer ring 3 and the nut 4. The pressing sleeve 6 and the dustproof ring 8 are sequentially transmitted onto the connecting shaft 5 and fixed by the cotter pin 7. The dust ring is placed in the shaft seat 10 of the excavator, and after the dust ring 8 is pushed in, the cotter pin 7 can directly bring the pressing sleeve 6 out of the shaft seat. If the shaft seats of different types are required to be assembled, the dust ring 8 can be assembled by replacing the pressing sleeve 6 with different sizes.
While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422643005.8U CN223326299U (en) | 2024-10-30 | 2024-10-30 | Dust ring assembly auxiliary device for excavator shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422643005.8U CN223326299U (en) | 2024-10-30 | 2024-10-30 | Dust ring assembly auxiliary device for excavator shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223326299U true CN223326299U (en) | 2025-09-12 |
Family
ID=96982235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422643005.8U Active CN223326299U (en) | 2024-10-30 | 2024-10-30 | Dust ring assembly auxiliary device for excavator shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223326299U (en) |
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2024
- 2024-10-30 CN CN202422643005.8U patent/CN223326299U/en active Active
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