CN214092743U

CN214092743U - Shaft sleeve with wear-resistant coating

Info

Publication number: CN214092743U
Application number: CN202022886279.1U
Authority: CN
Inventors: 叶社记; 李彤; 潘文根; 田临元
Original assignee: Shanxi Linlong Pump Co Ltd
Current assignee: Shanxi Linlong Pump Co Ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-08-31
Anticipated expiration: 2030-12-04

Abstract

The utility model relates to an axle sleeve technical field, more specifically say, relate to an axle sleeve with wear-resisting coating. Including off-axis side, sleeve shaft body and axle medial surface, off-axis side is equipped with oval extra large tank, off-axis side is equipped with vertical rectangle extra large tank, oval extra large tank and rectangle extra large tank are all symmetrical about the central cross section of sleeve shaft body, the inboard side of axle is equipped with four oval inside grooves, oval inside groove is the closure groove, the inboard side of axle is equipped with vertical rectangle inside groove, the rectangle inside groove all has intersection with four oval inside grooves, off-axis side scribbles the wearing layer, the intersection of rectangle extra large tank and oval inside groove is equipped with the outer slotted hole of rectangle. The utility model discloses thereby mainly solve the problem that the axle sleeve influences the life of axle sleeve with outer lane complex part friction to and the inconvenient problem of filling lubricating oil after the axle sleeve assembly. The utility model discloses mainly used and the cooperation of axle and use with the assembly of bearing.

Description

Shaft sleeve with wear-resistant coating

Technical Field

The utility model relates to an axle sleeve technical field, more specifically say, relate to an axle sleeve with wear-resisting coating.

Background

The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft and is a component of the sliding bearing. The axle sleeve generally includes axle sleeve body and axle sleeve hole, and general axle sleeve hole adopts clearance fit with the axle, and at the in-process of work, the epaxial medial surface can often produce the friction with the axle, consequently need reduce friction through lubricating oil between the two to prolong life between the two. Therefore, after the shaft sleeve and the shaft are assembled, how to add lubricating oil to the shaft sleeve without dismounting becomes a crucial link. In addition, the spindle rotates, and in the long-term operation process, parts matched with the outer ring rub to cause abrasion of the shaft sleeve, so that the performance and the service life of the machine are also influenced. Especially, the shaft sleeve is worn and torn in the pump machine, so that water enters in the axial direction, internal parts of the machine are corroded, the disassembly is time-consuming and labor-consuming during replacement, and the use and maintenance cost is increased. Therefore, it is very important to design a shaft sleeve which is wear-resistant and can conveniently increase lubricating oil.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a have wear-resistant coating axle sleeve, the utility model discloses simple structure convenient to use has effectively solved the problem for the axle sleeve increase lubricating oil after the assembly is accomplished, also prevents simultaneously that the axle sleeve from influencing its life with the outer lane during cooperation because of the friction.

In order to solve the technical problem, the utility model discloses a technical scheme does:

the utility model provides a have wear-resistant coating axle sleeve, includes off-axial side, sleeve shaft body and inboard face, off-axial side is equipped with oval extra large tank, off-axial side is equipped with vertical rectangle extra large tank, oval extra large tank and rectangle extra large tank are all symmetrical about the central cross section of sleeve shaft body, the inboard face of axle is equipped with four oval inside grooves, oval inside groove is the closure groove, the inboard face of axle is equipped with vertical rectangle inside groove, the rectangle inside groove all has the intersection with four oval inside grooves, off-axial side scribbles the wearing layer, the intersection of rectangle extra large tank and oval inside groove is equipped with rectangle slotted hole.

The elliptical inner groove is obliquely arranged on the inner side surface of the shaft.

The rectangular inner groove is intersected with the elliptical inner groove at the lowest part of the elliptical inner groove.

The rectangular outer slot hole connects the rectangular outer slot with the elliptical inner slot.

And the intersection of the elliptical outer groove and the elliptical inner groove is communicated with an elliptical outer groove hole.

The sleeve shaft body is made of gray iron or steel.

The wear-resistant layer is made of polyether-ether-ketone.

The rectangular outer groove and the elliptical outer groove are intersected in the middle of the outer side face of the shaft.

The cross sections of the elliptic outer groove and the rectangular outer groove are both rectangular.

Compared with the prior art, the utility model, the beneficial effect who has is:

1. the utility model discloses simple structure, convenient to use through setting up at the groove of off-axial side face and setting up the axle at the on-axial side face to carry out the UNICOM to it, thereby effectively solved the difficult problem of transferring to join in marriage the inside lubricating oil that increases of back for the axle sleeve.

2. The utility model discloses the setting is that the high one end of one end is low in the characteristics of the oval inside groove of axle medial surface, the flow of the lubricating oil of being convenient for like this to make lubricating oil paint more evenly, in addition, the lower end of each oval inside groove passes through the rectangle inside groove connection, thereby makes lubricating oil more even.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an expanded view along the axial direction of the present invention.

In the figure: 1-shaft outer side face, 2-sleeve shaft body, 3-elliptical outer groove, 4-rectangular outer groove, 5-rectangular outer slotted hole, 6-shaft inner side face, 7-elliptical outer slotted hole, 8-elliptical inner groove, 9-rectangular inner groove, 10-sleeve shaft hole and 11-wear-resistant layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, a shaft sleeve with a wear-resistant coating comprises an outer shaft side surface 1, a shaft sleeve body 2 and an inner shaft side surface 6, wherein the outer shaft side surface 1 is provided with an elliptical outer groove 3, the outer shaft side surface 1 is provided with a vertical rectangular outer groove 4, the elliptical outer groove 3 and the rectangular outer groove 4 are both symmetrical about the central cross section of the shaft sleeve body 2, the inner shaft side surface 6 is provided with four elliptical inner grooves 8, the elliptical inner grooves 8 are closed grooves, the inner shaft side surface 6 is provided with a vertical rectangular inner groove 9, the rectangular inner groove 9 and the four elliptical inner grooves 8 have intersections, the outer shaft side surface 1 is coated with a wear-resistant layer 11, and the intersections of the rectangular outer groove 4 and the elliptical inner grooves 8 are provided with rectangular outer groove holes 5. The number of elliptical grooves 8 is not limited to four and is determined according to the length of a specific sleeve.

Preferably, the elliptical inner groove 8 is obliquely arranged on the axial inner side surface 6, and the inclination angle of the elliptical inner groove 8 is 5 to 20 degrees.

Preferably, the rectangular inner tank 9 intersects the elliptical inner tank 8 at the lowest point of the elliptical inner tank 8, and the rectangular inner tank 9 has the same depth as the elliptical inner tank 8, and has the same two cross sections, i.e., a rectangular shape or a semicircular shape.

Preferably, the rectangular outer slot 5 communicates the rectangular outer slot 4 with the elliptical inner slot 8, and lubricating oil is injected from the rectangular outer slot 5 and then flows into the elliptical inner slot 8, thereby lubricating the shaft.

Preferably, the intersection of the elliptical outer groove 3 and the elliptical inner groove is provided with an elliptical outer groove hole 7.

Preferably, the sleeve shaft body 2 is made of gray iron or steel.

Preferably, the material of the wear-resistant layer 11 is polyetheretherketone, and the material of the wear-resistant layer may also be other wear-resistant materials.

Preferably, the rectangular outer groove 4 and the elliptical outer groove 3 meet at the middle of the shaft outer side surface 1.

Preferably, the elliptical outer channels 3 and the rectangular outer channels 4 are both rectangular in cross-section.

The utility model discloses a work flow does: lubricating oil is injected from the elliptical outer groove hole 7, the lubricating oil flows into the elliptical inner groove 8 through the elliptical outer groove hole 7, because of the highest positions of the elliptical outer groove hole 7 and the elliptical inner groove 8, the lubricating oil flows from the highest position of the elliptical inner groove 8 to the lowest positions of two sides, so that the shaft assembled inside the bearing hole 10 is lubricated, and when the lubricating oil in the elliptical inner groove 8 positioned at the upper part flows to the lowest position of the elliptical inner groove, the lubricating oil flows into the elliptical inner groove 8 at the lower part through the rectangular inner groove 9, the circulation of the lubricating oil is facilitated, and the lubrication of the shaft sleeve and the shaft is more uniform. Similarly, the lubricating oil can also be injected from the rectangular outer slot 5.

The above description has been made in detail only for the preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of those skilled in the art, and all such changes are intended to be encompassed by the present invention.

Claims

1. The utility model provides a have wear-resisting coating axle sleeve which characterized in that: including off-axis side (1), sleeve axle body (2) and axle medial surface (6), off-axis side (1) is equipped with oval outer tank (3), off-axis side (1) is equipped with vertical rectangle outer tank (4), oval outer tank (3) and rectangle outer tank (4) are all symmetrical about the central cross section of sleeve axle body (2), axle medial surface (6) is equipped with four oval inside grooves (8), oval inside groove (8) are the closure groove, axle medial surface (6) are equipped with vertical rectangle inside groove (9), rectangle inside groove (9) all have intersection with four oval inside grooves (8), off-axis side (1) scribbles wearing layer (11), the intersection of rectangle outer tank (4) and oval inside groove (8) is equipped with rectangle slotted hole (5).

2. A sleeve with a wear-resistant coating according to claim 1, wherein: the elliptical inner groove (8) is obliquely arranged on the inner side surface (6) of the shaft.

3. A sleeve with a wear-resistant coating according to claim 1, wherein: the rectangular inner groove (9) is intersected with the elliptical inner groove (8) at the lowest part of the elliptical inner groove (8).

4. A sleeve with a wear-resistant coating according to claim 1, wherein: the rectangular outer slot (5) connects the rectangular outer slot (4) with the elliptical inner slot (8).

5. A sleeve with a wear-resistant coating according to claim 1, wherein: an elliptical outer slot hole (7) is communicated with the intersection of the elliptical outer slot (3) and the elliptical inner slot.

6. A sleeve with a wear-resistant coating according to claim 1, wherein: the sleeve shaft body (2) is made of gray iron or steel.

7. A sleeve with a wear-resistant coating according to claim 1, wherein: the wear-resistant layer (11) is made of polyether-ether-ketone.

8. A sleeve with a wear-resistant coating according to claim 1, wherein: the rectangular outer groove (4) and the elliptical outer groove (3) are intersected in the middle of the outer side surface (1) of the shaft.

9. A sleeve with a wear-resistant coating according to claim 1, wherein: the cross sections of the elliptic outer groove (3) and the rectangular outer groove (4) are both rectangular.