CN221097206U - A high-strength shaft sleeve for large-scale engineering machinery - Google Patents

Abstract

The utility model discloses a high-strength shaft sleeve for large-scale engineering machinery, belonging to the technical field of shaft sleeves, comprising a semicircular first mounting sleeve and a second mounting sleeve, a symmetrical first locking platform is arranged on the side of the first mounting sleeve, a symmetrical second locking platform is arranged on the side of the second mounting sleeve, a locking structure is arranged on the second locking platform, a locking hole matched with the locking structure is opened on the first locking platform, bosses are arranged on the upper and lower sides of the first mounting sleeve and the second mounting sleeve, locking hoops are also arranged on the upper and lower sides of the first mounting sleeve and the second mounting sleeve, and the bosses limit the locking hoops; multiple groups of balls are movably installed on the inner walls of the first mounting sleeve and the second mounting sleeve. The shaft sleeve can be doubly locked by the cooperation of the locking structure and the locking hoop, the first locking platform can be quickly locked under the cooperation of the locking fan and the locking block, and can be locked again by the locking hoops on both sides, which can greatly improve the strength of the high-strength shaft sleeve for large-scale engineering machinery.

Description

A high-strength shaft sleeve for large-scale engineering machinery

Technical Field

The utility model relates to the technical field of shaft sleeves, in particular to a high-strength shaft sleeve for large-scale engineering machinery.

Background technique

The sleeve is a cylindrical mechanical part that is sleeved on the rotating shaft and is a component of the sliding bearing. Generally speaking, the sleeve and the bearing seat adopt an interference fit, while the sleeve and the shaft adopt a clearance fit. The similarities between the sleeve and the bearing are that both bear the load of the shaft, and the bearing is split, and the inner and outer rings of the bearing itself move relative to each other when rotating.

Application number: CN202223490181.X; discloses a high-strength wear-resistant bucket shaft sleeve, belonging to the technical field of bucket shaft sleeves. The bucket shaft sleeve includes a left shaft sleeve, a right shaft sleeve is installed on the right side of the left shaft sleeve, protective mechanisms for improving the wear resistance are installed on the upper and lower sides of the left shaft sleeve, and a sealing mechanism for reducing the loss of lubricating fluid is installed on the inner side of the left shaft sleeve. The left shaft sleeve and the right shaft sleeve have the same structure, and the left shaft sleeve and the right shaft sleeve are symmetrically arranged, and sealing grooves are embedded at both ends of the left side of the right shaft sleeve, and the sealing grooves are matched with the sealing strips. The utility model is provided with balls and a storage cavity, and the lubricating oil flows into the storage cavity and is retained. It is smeared on the bucket shaft by the rolling of the balls, and cooperates with the sealing ring, which can effectively improve the lubrication effect and slow down the loss of lubricating oil. At the same time, the balls can roll in accordance with the bucket shaft, reduce the friction between the inner cavity and the bucket shaft during operation, avoid wear of the inner cavity and the bucket shaft, and increase the service life of the inner cavity and the bucket shaft.

The shaft sleeve strength of the above-mentioned comparative documents is average, the locking effect of the locking structure is average, and the disassembly process is cumbersome, and there is a lack of a quick locking structure. Therefore, a high-strength shaft sleeve for large-scale engineering machinery is designed here to solve the above problems.

Utility Model Content

The purpose of the utility model is to provide a high-strength shaft sleeve for large engineering machinery in order to solve the problems of general strength of the traditional shaft sleeve, general locking effect of the locking structure, complicated disassembly process and lack of a quick locking structure.

To achieve the above-mentioned purpose, the technical solution of the utility model is: a high-strength shaft sleeve for large-scale engineering machinery, including a semicircular first mounting sleeve and a second mounting sleeve, a symmetrical first locking platform is arranged on the side of the first mounting sleeve, a symmetrical second locking platform is arranged on the side of the second mounting sleeve, a locking structure is arranged on the second locking platform, a locking hole matching the locking structure is opened on the first locking platform, bosses are arranged on the upper and lower sides of the first and second mounting sleeves, locking hoops are also installed on the upper and lower sides of the first and second mounting sleeves, and the bosses limit the locking hoops; a plurality of groups of balls are movably installed on the inner walls of the first and second mounting sleeves.

As a further solution of the utility model: the locking structure includes a locking groove provided on the second locking platform, a locking rod is movably arranged in the locking groove, a locking fan is arranged at the bottom of the locking rod, an adjusting cap is arranged at the top of the locking rod, a first spring is arranged between the locking groove and the adjusting cap, and a locking block cooperating with the locking fan is arranged in the lock hole.

As a further solution of the utility model: a plurality of groups of slots are provided on the inner walls of the first mounting sleeve and the second mounting sleeve, a second spring is arranged in the slot, and the ball is installed on the top of the second spring.

As a further solution of the utility model: threads are arranged on both sides of the first installation sleeve and the second installation sleeve, and threads are also arranged on the inner wall of the locking hoop.

The utility model provides a high-strength shaft sleeve for large-scale engineering machinery through improvement, which has the following improvements and advantages compared with the prior art:

The utility model can double-lock the first mounting sleeve and the second mounting sleeve on both sides through the cooperation of the locking structure and the locking hoop, wherein the first locking platform can be quickly locked under the cooperation of the locking fan and the locking block, and the mounting sleeve can be locked again through the locking hoops on both sides, which can greatly improve the strength of the high-strength shaft sleeve used for large-scale engineering machinery.

BRIEF DESCRIPTION OF THE DRAWINGS

The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

Figure 1 is a front view of the structure of the utility model;

Fig. 2 is an exploded diagram of the utility model;

FIG3 is a cross-sectional view of the locking structure of the present invention;

FIG. 4 is a cross-sectional view of the slot in the present invention.

Description of reference numerals:

1. First mounting sleeve; 2. Second mounting sleeve; 3. First locking platform; 4. Second locking platform; 5. Locking structure; 6. Boss; 7. Locking hoop; 8. Locking hole; 9. Locking block; 10. Locking groove; 11. Locking rod; 12. Locking fan; 13. Adjustment cap; 14. First spring; 15. Slot; 16. Second spring; 17. Ball.

Detailed ways

The present invention will be described in detail below in conjunction with Figures 1 to 4, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. 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.

The utility model provides a high-strength shaft sleeve for large-scale engineering machinery through improvement, as shown in Figures 1 to 4, a high-strength shaft sleeve for large-scale engineering machinery, including a semicircular first mounting sleeve 1 and a second mounting sleeve 2, a side of the first mounting sleeve 1 is provided with a symmetrical first locking platform 3, a side of the second mounting sleeve 2 is provided with a symmetrical second locking platform 4, a locking structure 5 is provided on the second locking platform 4, a locking hole 8 matching the locking structure 5 is opened on the first locking platform 3, the upper and lower sides of the first mounting sleeve 1 and the second mounting sleeve 2 are provided with bosses 6, the upper and lower sides of the first mounting sleeve 1 and the second mounting sleeve 2 are also provided with locking hoops 7, and the bosses 6 limit the locking hoops 7; a plurality of groups of balls 17 are movably installed on the inner walls of the first mounting sleeve 1 and the second mounting sleeve 2.

The utility model can double-lock the first mounting sleeve 1 and the second mounting sleeve 2 on both sides through the cooperation of the locking structure 5 and the locking hoop 7, wherein the first locking platform 3 can be quickly locked with the cooperation of the locking fan 12 and the locking block 9, and the mounting sleeve can be locked again through the locking hoop 7 on both sides, which can greatly improve the strength of the high-strength shaft sleeve used for large-scale engineering machinery.

Referring to Figures 2-3, the locking structure 5 includes a locking groove 10 opened on the second locking platform 4, a locking rod 11 is movably arranged in the locking groove 10, a locking fan 12 is arranged at the bottom of the locking rod 11, an adjusting cap 13 is arranged at the top of the locking rod 11, a first spring 14 is arranged between the locking groove 10 and the adjusting cap 13, and a locking block 9 cooperating with the locking fan 12 is arranged in the lock hole 8.

In this embodiment, in order to quickly lock the first locking platform 3, a locking structure 5 is provided on the second locking platform 4. When locking is required, the adjusting cap 13 is pressed downward, and the adjusting cap 13 drives the locking rod 11 and the locking fan 12 to move downward. When the locking fan 12 passes through the locking block 9 and reaches the back of the locking block 9, the adjusting cap 13 is rotated again to lock the locking fan 12 at the back of the locking block 9. In order to facilitate pressing down or rotating the locking rod 11, the adjusting cap 13 is fixedly connected to the top of the locking rod 11. When the locking fan 12 is unlocked, in order to automatically reset the adjusting cap 13, a first spring 14 is provided between the adjusting cap 13 and the locking groove 10.

3-4 , a plurality of groups of slots 15 are formed on the inner walls of the first mounting sleeve 1 and the second mounting sleeve 2 . A second spring 16 is disposed in the slot 15 , and a ball 17 is mounted on the top of the second spring 16 .

In this embodiment, in order to reduce friction, a plurality of groups of balls 17 are movably arranged on the inner walls of the first mounting sleeve 1 and the second mounting sleeve 2 .

2 to 4 , threads are arranged on both sides of the first installation sleeve 1 and the second installation sleeve 2 , and threads are also arranged on the inner wall of the locking hoop 7 .

In this embodiment, in order to re-lock the first installation sleeve 1 and the second installation sleeve 2, threads are provided on the tops of the first installation sleeve 1 and the second installation sleeve 2, and the locking hoop 7 is installed through the threaded connection.

The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (4)

1. A high-strength shaft sleeve for large-scale engineering machinery, characterized in that it comprises a semicircular first mounting sleeve (1) and a second mounting sleeve (2), the side of the first mounting sleeve (1) is provided with a symmetrical first locking platform (3), the side of the second mounting sleeve (2) is provided with a symmetrical second locking platform (4), the second locking platform (4) is provided with a locking structure (5), the first locking platform (3) is provided with a locking hole (8) that cooperates with the locking structure (5), the upper and lower sides of the first mounting sleeve (1) and the second mounting sleeve (2) are both provided with bosses (6), the upper and lower sides of the first mounting sleeve (1) and the second mounting sleeve (2) are also provided with locking hoops (7), and the bosses (6) limit the locking hoops (7); multiple groups of balls (17) are movably installed on the inner walls of the first mounting sleeve (1) and the second mounting sleeve (2). 2. A high-strength shaft sleeve for large-scale engineering machinery according to claim 1, characterized in that: the locking structure (5) includes a locking groove (10) opened on the second locking platform (4), a locking rod (11) is movably arranged in the locking groove (10), a locking fan (12) is arranged at the bottom of the locking rod (11), an adjusting cap (13) is arranged at the top of the locking rod (11), a first spring (14) is arranged between the locking groove (10) and the adjusting cap (13), and a locking block (9) cooperating with the locking fan (12) is arranged in the lock hole (8). 3. A high-strength bushing for large-scale engineering machinery according to claim 1, characterized in that: a plurality of groups of grooves (15) are provided on the inner walls of the first mounting sleeve (1) and the second mounting sleeve (2), a second spring (16) is arranged in the groove (15), and the ball (17) is installed on the top of the second spring (16). 4. A high-strength shaft sleeve for large-scale engineering machinery according to claim 1, characterized in that threads are arranged on both sides of the first mounting sleeve (1) and the second mounting sleeve (2), and threads are also arranged on the inner wall of the locking hoop (7).