CN213451342U

CN213451342U - Sealed swing pipe joint ball bearing

Info

Publication number: CN213451342U
Application number: CN202021680151.3U
Authority: CN
Inventors: 杨吴伟
Original assignee: Haimen Lilan Bearing Technology Co Ltd
Current assignee: Haimen Lilan Bearing Technology Co Ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-06-15
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses a sealed swing pipe joint ball bearing in the technical field of bearings, which comprises a first shell, a second shell and a ball body, wherein two groups of mounting blocks are symmetrically arranged at the positions of the end surfaces of the first shell, which are close to the bottom end surface of the first shell, and the mounting blocks are fixedly connected with the first shell, the mounting blocks are provided with a first bolt in the vertical direction, the first bolt is in threaded connection with the mounting blocks, the top end surface of the second shell is symmetrically provided with a third bolt, the third bolt penetrates through the second shell and the first shell, the third bolt is in threaded connection with the first shell and the first shell, the ball body is arranged in the inner cavities of the first shell and the second shell, the ball body is not in contact with the inner cavities of the first shell and the second shell, the upper end surface of the ball body is provided with an inner pipe, the inner pipe is fixedly connected with the ball body, the surface of, the utility model discloses aim at solving the problem of joint ball bearing easy wearing and tearing and inconvenient dismouting.

Description

Sealed swing pipe joint ball bearing

Technical Field

The utility model relates to a bearing technical field specifically is a sealed swing pipe joint ball bearing.

Background

The joint bearing can bear larger load, can bear radial load, axial load or combined load existing simultaneously in the radial direction and the axial direction according to different types and structures of the joint bearing, can generate self-lubrication in work due to the fact that composite materials are inlaid on the outer spherical surface of the inner ring, is generally used for swinging motion with lower speed and low-speed rotation, and can also do tilting motion within a certain angle range, when the concentricity of the supporting shaft and the shaft shell hole is larger, the bearing can still work normally, the self-lubrication joint bearing is applied to industries such as water conservancy and professional machinery, a sealed swing pipe joint ball bearing is a key component in a coal mill, and due to the fact that the coal mill is in a working state that the coal mill is not stopped at day and night in operation, the bearing part is easy to wear, the service life is short, and later-stage disassembly and assembly are inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed swing pipe joint ball bearing to the problem of the easy wearing and tearing of joint ball bearing and inconvenient dismouting that provides in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sealed swing pipe joint ball bearing, is including casing one, casing two and spheroid, the both sides terminal surface of casing one is close to the bottom face department symmetry of casing one and is provided with two sets of installation pieces, and installs piece and a casing fixed connection, the installation piece is provided with the bolt one of vertical direction, and bolt one and installation piece threaded connection, the top face symmetry of casing two is provided with two sets of bolts three, and the bolt three runs through casing two, casing one, bolt three and casing one, a casing threaded connection, the spheroid sets up the inner chamber at casing one, casing two, and the spheroid is disconnected with the inner chamber contact of casing one, casing two, spheroidal up end is provided with the inner tube, and inner tube and spheroid fixed connection, spheroidal surface is provided with wearing layer two, and the outer wall of inner tube is provided with wearing layer one.

Preferably, the inner walls of the first shell and the second shell are uniformly provided with a plurality of groups of grooves, steel balls are arranged in the inner cavities of the grooves and are movably connected with the first shell and the second shell, the inner cavities of the grooves are provided with a first lubricating layer, and the surfaces of the steel balls are provided with a third wear-resistant layer.

Preferably, the front end face, the rear end face, the left end face and the right end face of the first shell and the second shell are provided with fixing plates, the fixing plates are provided with transverse bolts II, the bolts II penetrate through the fixing plates to the inside of the first shell and the inside of the second shell, and the bolts II are in threaded connection with the first shell and the second shell.

Preferably, a second lubricating layer is arranged on the outer layer of the second wear-resistant layer on the surface of the sphere, a protective layer is arranged on the inner wall of the second shell at the contact position of the inner pipe and the second shell.

Preferably, the head parts of the first bolt, the second bolt and the third bolt are provided with flat washers, and the flat washers are movably connected with the first bolt, the second bolt and the third bolt.

Compared with the prior art, the beneficial effects of the utility model are that: the first shell and the second shell can be conveniently disassembled and assembled through the cooperation of the third bolt, the steel balls arranged in the grooves can effectively reduce the contact area between the inner walls of the first shell and the second shell and a sphere, the loss of the first shell and the second shell is reduced, the wear-resistant layer two arranged on the sphere can effectively reduce the loss of the sphere, the service life of the sphere is prolonged, and the whole stability of the fixed plate arranged can be effectively improved.

Drawings

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

fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. mounting blocks; 2. a first bolt; 3. a second bolt; 4. a fixing plate; 5. a first shell; 6. a second shell; 7. a third bolt; 8. a sphere; 9. an inner tube; 10. a first wear-resistant layer; 11. a second wear-resistant layer; 12. steel balls; 13. and (4) a groove.

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.

Example 1:

referring to fig. 1-2, the present invention provides a technical solution: a sealed swing pipe joint ball bearing is shown in figure 1 and comprises a first shell 5, a second shell 6 and a ball body 8, wherein two groups of mounting blocks 1 are symmetrically arranged on the end faces of the two sides of the first shell 5, close to the bottom end face of the first shell 5, the mounting blocks 1 are fixedly connected with the first shell 5, the mounting blocks 1 are provided with first bolts 2 in the vertical direction, the first bolts 2 are in threaded connection with the mounting blocks 1, and when the ball bearing is mounted, the whole ball bearing can be mounted on a rack through the first bolts 2, and mounting is convenient.

Referring to fig. 1, two sets of bolts three 7 are symmetrically arranged on the top end surface of the second shell 6, the bolts three 7 penetrate through the second shell 6 and the first shell 5, the bolts three 7 are in threaded connection with the first shell 5 and the first shell 5, and the bolts three 7 can be detached by rotating at the later stage, so that the maintenance is facilitated.

Referring to fig. 1, the sphere 8 is disposed in the inner cavities of the first shell 5 and the second shell 6, the sphere 8 is not in contact with the inner cavities of the first shell 5 and the second shell 6, the inner tube 9 is disposed on the upper end surface of the sphere 8, the inner tube 9 is fixedly connected with the sphere 8, the second wear-resistant layer 11 is disposed on the surface of the sphere 8, so that friction loss between the sphere 8 and the first shell 5 and the second shell 6 is reduced, and the first wear-resistant layer 10 is disposed on the outer wall of the inner tube 9, so that loss caused by contact between the inner tube 9 and the second shell 6 is reduced.

Referring to fig. 1 and 2, a plurality of groups of grooves 13 are uniformly formed in the inner walls of the first shell 5 and the second shell 6, steel balls 12 are arranged in the inner cavities of the grooves 13, the steel balls 12 are movably connected with the first shell 5 and the second shell 6, a first lubricating layer is arranged in the inner cavities of the grooves 13, a third wear-resistant layer is arranged on the surfaces of the steel balls 12, and the steel balls 12 can effectively reduce the contact area between the first shell 5, the second shell 6 and the ball 8, reduce loss and increase the lubricity between the ball 8 and the first shell 5 and the second shell 6.

Example 2:

as shown in fig. 1, unlike the previous embodiment 1, the front and rear end surfaces and the left and right end surfaces of the first casing 5 and the second casing 6 are provided with the fixing plates 4, the fixing plates 4 are provided with the second transverse bolts 3, the second bolts 3 penetrate through the fixing plates 4 to the insides of the first casing 5 and the second casing 6, the second bolts 3 are in threaded connection with the first casing 5 and the second casing 6, and the fixing plates 4 can increase the stability of connection between the first casing 5 and the second casing 6.

As shown in fig. 1, a second lubricating layer is arranged on the outer layer of the second wear-resistant layer 11 on the surface of the sphere 8 to increase the lubricity of the sphere 8, a protective layer (not shown) is arranged on the inner wall of the second shell 6 at the contact position of the inner pipe 9 and the second shell 6 to prevent the inner pipe 9 or the second shell 6 from being damaged due to the contact friction between the second shell 6 and the inner pipe 9.

As shown in fig. 1, the first bolt 2, the second bolt 3, and the third bolt 7 are provided with a flat washer (not shown) at the head portion, and the flat washer is movably connected with the first bolt 2, the second bolt 3, and the third bolt 7, so as to increase the stability of the first bolt 2, the second bolt 3, and the third bolt 7.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sealed swing pipe joint ball bearing, includes casing (5), casing two (6) and spheroid (8), its characterized in that: two groups of mounting blocks (1) are symmetrically arranged at the positions, close to the bottom end face of the first shell (5), of the end faces of the two sides of the first shell (5), the mounting blocks (1) are fixedly connected with the first shell (5), the first bolts (2) in the vertical direction are arranged on the mounting blocks (1), the first bolts (2) are in threaded connection with the mounting blocks (1), two groups of third bolts (7) are symmetrically arranged on the top end face of the second shell (6), the third bolts (7) penetrate through the second shell (6) and the first shell (5), the third bolts (7) are in threaded connection with the first shell (5) and the first shell (5), the ball (8) is arranged in the inner cavities of the first shell (5) and the second shell (6), the ball (8) is not connected with the first shell (5) and the second shell (6) in contact, the upper end face of the ball (8) is provided with an inner pipe (9), and the inner pipe (9) is fixedly connected with, the surface of the sphere (8) is provided with a second wear-resistant layer (11), and the outer wall of the inner tube (9) is provided with a first wear-resistant layer (10).

2. The sealed pendulum tube joint ball bearing of claim 1, wherein: the inner walls of the first shell (5) and the second shell (6) are uniformly provided with a plurality of groups of grooves (13), steel balls (12) are arranged in inner cavities of the grooves (13), the steel balls (12) are movably connected with the first shell (5) and the second shell (6), the inner cavities of the grooves (13) are provided with a first lubricating layer, and the surfaces of the steel balls (12) are provided with a third wear-resistant layer.

3. The sealed pendulum tube joint ball bearing of claim 1, wherein: the front end face, the rear end face, the left end face and the right end face of the first shell (5) and the second shell (6) are provided with fixing plates (4), the fixing plates (4) are provided with transverse bolts (3), the bolts (3) penetrate through the fixing plates (4) to the interiors of the first shell (5) and the second shell (6), and the bolts (3) are in threaded connection with the first shell (5) and the second shell (6).

4. The sealed pendulum tube joint ball bearing of claim 1, wherein: and a second lubricating layer is arranged on the outer layer of the second wear-resistant layer (11) on the surface of the sphere (8), and a protective layer is arranged on the inner wall of the second shell (6) at the contact part of the inner pipe (9) and the second shell (6).

5. The sealed pendulum tube joint ball bearing of claim 1, wherein: the head parts of the first bolt (2), the second bolt (3) and the third bolt (7) are provided with flat washers, and the flat washers are movably connected with the first bolt (2), the second bolt (3) and the third bolt (7).