CN217355211U

CN217355211U - Sectional type slewing bearing

Info

Publication number: CN217355211U
Application number: CN202123306418.XU
Authority: CN
Inventors: 周宝平; 高从平; 马梅生; 周永斌
Original assignee: Xuzhou Ximak Slewing Ring Co ltd
Current assignee: Xuzhou Ximak Slewing Ring Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-09-02
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a sectional type slewing bearing, which comprises a supporting disc A and a supporting disc B, wherein the supporting disc A is provided with a sectional inner ring and a sectional outer ring, the supporting disc B is externally provided with a plurality of T-shaped lugs, the sectional outer ring is externally provided with a plurality of T-shaped grooves for clamping the supporting disc B, the supporting disc B is externally provided with a plurality of bolts, the supporting disc A is externally provided with a plurality of threaded holes A, the supporting disc B is externally provided with a plurality of circular grooves and threaded holes B, the utility model discloses a T-shaped groove is arranged on the supporting disc A, the T-shaped lug corresponding to the T-shaped groove is arranged on the supporting disc B, when in use, the supporting disc A and the supporting disc B are fixed, the T-shaped groove and the T-shaped lug are convenient for later-stage disassembly, when damaged parts are replaced, the supporting disk A and the supporting disk B can be separately replaced, and raw materials are saved.

Description

Sectional type slewing bearing

Technical Field

The utility model relates to a rotating member technical field especially relates to a sectional type slewing bearing.

Background

The slewing bearing is a large bearing capable of bearing comprehensive load, can simultaneously bear larger axial and radial loads and overturning moment, is called as a turntable bearing, is widely applied in the real industry, is called as a joint of a machine, is an important transmission part which is necessary for a machine and needs to do relative slewing motion between two objects and simultaneously bear axial force, radial force and overturning moment, and is widely applied to ship equipment, engineering machinery and light-duty machines along with the rapid development of the mechanical industry.

After the slewing bearing is used for a long time, parts of the slewing bearing are easy to damage, when the traditional slewing bearing is replaced, the inside of the bearing is difficult to disassemble, the whole bearing is usually replaced directly, and when the whole bearing is replaced, some parts with good performance on the bearing are replaced, so that the waste of raw materials is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the slewing bearing is difficult to detach and replace when replacing in the prior art, and providing a sectional type slewing bearing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a sectional type slewing bearing, includes supporting disk A and supporting disk B, be provided with segmentation inner circle and segmentation outer lane on the supporting disk A, the externally mounted of supporting disk B has a plurality of T shape lugs, a plurality of joints that are used for are seted up in the outside setting of segmentation outer lane the T shape recess of supporting disk B, the outside of supporting disk B is provided with a plurality of bolts, a plurality of screw holes A have been seted up to supporting disk A's outside, a plurality of circular recess and screw hole B have been seted up to supporting disk B's outside.

The above technical solution further comprises: the section inner ring is internally provided with a rolling ball, and the section inner ring is internally provided with a placing groove for mounting the rolling ball.

And a plurality of segmented cages are arranged outside the segmented inner rings.

A plurality of oil injection grooves are formed in the outer portion of the segmented inner ring.

And a straight-through type compression column oil cup used for filling lubricating grease into the placing groove is arranged in the oil filling groove.

And a spacer block is arranged between two adjacent rolling balls.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, set up T shape recess in supporting disk A's outside, installed the T shape lug corresponding with T shape recess in supporting disk B's outside, when using, carry out the joint with T shape recess and T shape lug through rotatory supporting disk A and supporting disk B, the realization is fixed supporting disk A and supporting disk B, the T shape recess and the T shape lug later stage of setting are convenient for dismantle, when changing the damage part, can separately change supporting disk A and supporting disk B, the raw materials is saved.

2. The utility model discloses in, screw hole A has been seted up in supporting disk A's outside, screw hole B has been seted up in supporting disk B's outside, consolidate supporting disk A and supporting disk B through the bolt, improved the fastness when supporting disk A and supporting disk B install, and set up the circular recess, when utilizing the bolt to fix, the top of bolt can enter into the circular recess, avoid the naked outside of leaking at supporting disk B in its top, improve the outside roughness of supporting disk B.

Drawings

Fig. 1 is a schematic overall structure diagram of a segmented slewing bearing according to the present invention;

FIG. 2 is a schematic view of a first internal structure of a segmented slewing bearing;

FIG. 3 is a schematic diagram of a second internal structure of a segmented slewing bearing;

fig. 4 is an enlarged schematic view of a structure in fig. 2.

In the figure: 1. a support tray A; 2. segmenting the inner ring; 3. a T-shaped groove; 4. a segmented cage; 5. an isolation block; 6. rolling a ball; 7. an oil injection groove; 8. a straight-through type compression column oil cup; 9. a threaded hole A; 10. a bolt; 11. a circular groove; 12. a threaded hole B; 13. a placement groove; 14. a T-shaped bump; 15. a support tray B; 16. and (6) segmenting an outer ring.

Detailed Description

The following describes the technical solution of the present invention with reference to the accompanying drawings and specific embodiments.

Example one

Referring to the accompanying drawings 1-4, the utility model provides a sectional type slewing bearing, including supporting disk A1 and supporting disk B15, be provided with segmentation inner circle 2 and segmentation outer lane 16 on the supporting disk A1, supporting disk B15's externally mounted has a plurality of T shape lugs 14, a plurality of T shape recesses 3 that are used for joint supporting disk B15 are seted up in the outside setting of segmentation outer lane 16, a plurality of screw holes A9 have been seted up to supporting disk A1's outside, a plurality of circular recess 11 and screw hole B12 have been seted up to supporting disk B15's outside.

In this embodiment, when mounting support disk a1 and support disk B15, T-shaped projection 14 on the outside of support disk B15 is aligned with T-shaped groove 3 on the outside of support disk a1, wherein T-shaped projection 14 is adapted to the size of T-shaped groove 3, T-shaped projection 14 is placed in T-shaped groove 3, both are engaged by rotating support disk a1 and support disk B15, then bolt 10 is rotated into the inside of threaded hole B12 and threaded hole a9 by aligning threaded hole B12 on the outside of support disk B15 and threaded hole a9 on the outside of support disk a1, bolt 10 is provided for reinforcing support disk a1 and support disk B15, wherein circular groove 11 is provided, the radius of circular groove 11 is larger than that of threaded hole B12, when bolt 10 is placed in threaded hole B12, the top of bolt 10 is in circular groove 11, the smoothness on the outside of support disk B15 is improved, and when oil is injected, lubricating oil is injected into through-type grease-bowl 8, the added lubricating oil reduces the wear of the rolling ball 6 in the placement groove 13, wherein the height of the straight-through plunger oil cup 8 is smaller than that of the oil filling groove 7.

Example two

As shown in fig. 1, in addition to the first embodiment, a plurality of bolts 10 are provided outside the support tray B15, a plurality of screw holes a9 are opened outside the support tray a1, and a plurality of circular grooves 11 and screw holes B12 are opened outside the support tray B15.

In this embodiment, when the position of the T-shaped protrusion 14 is aligned with the T-shaped groove 3, the positions of the threaded hole B12 and the threaded hole a9 do not correspond to each other, and the positions of the threaded hole B12 and the threaded hole a9 are the corresponding positions after the T-shaped protrusion 14 and the T-shaped groove 3 are rotatably spliced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The sectional type slewing bearing comprises a bearing disc A (1) and a bearing disc B (15), and is characterized in that a sectional inner ring (2) and a sectional outer ring (16) are arranged on the bearing disc A (1), a plurality of T-shaped lugs (14) are mounted outside the bearing disc B (15), and a plurality of T-shaped grooves (3) used for clamping the bearing disc B (15) are formed in the outer part of the sectional outer ring (16);

the supporting disc B (15) is provided with a plurality of bolts (10) on the outside, a plurality of threaded holes A (9) are formed in the outside of the supporting disc A (1), and a plurality of circular grooves (11) and threaded holes B (12) are formed in the outside of the supporting disc B (15).

2. The sectional type slewing bearing according to claim 1, wherein a rolling ball (6) is mounted inside the sectional inner ring (2), and a placing groove (13) for mounting the rolling ball (6) is formed inside the sectional inner ring (2).

3. A segmented slewing bearing according to claim 2, characterized in that a number of segmented cages (4) are mounted externally of the segmented inner ring (2).

4. A segmented slewing bearing according to claim 2, characterized in that a plurality of oil grooves (7) are arranged on the outer portion of the segmented inner ring (2).

5. A segmented slewing bearing according to claim 4, characterised in that the interior of the oil filling groove (7) is provided with a through-type plunger oil cup (8) for filling the interior of the standing groove (13) with grease.

6. A segmented slewing bearing according to claim 2, characterized in that a spacer (5) is arranged between two adjacent balls (6).