CN210599858U

CN210599858U - Thin-wall light turntable bearing

Info

Publication number: CN210599858U
Application number: CN201921579667.6U
Authority: CN
Inventors: 蔡云峰; 邓斌; 邹本辉
Original assignee: Dalian United Wind Power Generation Bearing Co ltd
Current assignee: Dalian United Wind Power Generation Bearing Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-05-22
Anticipated expiration: 2029-09-23

Abstract

The utility model discloses a thin-wall light turntable bearing, which comprises an inner ring, an outer ring, a mounting hole, an inner buckling ring, round platform balls, a retainer, a positioning groove, a rolling groove and an inner buckling groove, wherein the outer wall of the inner ring is symmetrically buckled with the outer ring, the outer ring is correspondingly provided with the rolling groove, the round platform balls are evenly placed in the rolling groove, the central position of the surface of the inner ring is provided with the positioning groove, the outer side of the inner ring is sleeved with the retainer, the retainer is clamped in the positioning groove, the retainer is sleeved outside the round platform balls in a matching way, the outer wall connecting part of the outer ring is provided with the inner buckling groove, the outer part of the outer ring is sleeved with the inner buckling ring, the inner buckling ring is clamped in the inner buckling groove, the turntable bearing has low requirements on the thickness of the inner ring and the outer buckling ring due to the reduction of the installation operation difficulty, thereby reducing the thickness of, the axial stress of the device is increased, and the device is very suitable for middle and small-sized stressed support and guided rotation.

Description

Thin-wall light turntable bearing

Technical Field

The utility model relates to a carousel bearing technical field specifically is a light-duty carousel bearing of thin wall.

Background

The turntable bearing is a large bearing which can bear large comprehensive loads such as axial load, radial load, overturning moment and the like at the same time and has a special structure integrating multiple functions such as supporting, rotating, transmission, fixing and the like, has the characteristics of compact structure, convenient guiding and rotating, simple and convenient installation, easy maintenance and the like, and is widely applied to large slewing devices such as hoisting and transporting machinery, mining machines, constructional engineering machinery, port machinery, wind power generation, medical equipment, radars, missile launcher and the like.

The traditional turntable bearing is convenient for clamping assembly of production and limiting of a rolling body, an outer ring and an inner ring are thick, the whole weight is large, production materials are increased, optimization is needed, and therefore the thin-wall light turntable bearing is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a light-duty carousel bearing of thin wall to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a light-duty carousel bearing of thin wall, includes inner circle, outer ring, mounting hole, interior catching ring, round platform ball, holder, constant head tank, rolling slot and interior catching groove, inner circle outer wall symmetry lock has outer ring, outer ring corresponds with the inner circle and has seted up the rolling slot, and has evenly placed the round platform ball in the rolling slot, inner circle surface central point puts and has seted up the constant head tank, the inner circle outside cover is equipped with the holder, and the holder card is in the constant head tank, the holder cooperation cover is in the round platform ball outside, outer wall connection position of outer ring has seted up interior catching slot, the outside cover of outer ring is equipped with interior catching ring, and interior catching ring card is in interior catching slot, the mounting hole has all been seted up to inner circle and outer ring side.

Preferably, a sealing ring is embedded in the clamping position of the inner ring and the side surface of the outer joint ring.

Preferably, a stepped matching groove is formed in the attaching position of the outer ring.

Preferably, the corners of the inner ring, the outer ring and the inner buckling ring are provided with chamfers.

Preferably, the inner ring and the outer ring are both made of surface hardened steel, and the round platform ball is made of integrally hardened carbon-chromium bearing steel.

Preferably, the cage is made of cast aluminum alloy.

Compared with the prior art, the beneficial effects of the utility model are that: when the device is formed, the retainer is buckled in the positioning groove, the circular truncated cone ball is clamped in the retainer, two outer closed rings are pressed from the side edge of the inner ring, the inner ring and the outer closed rings are stably buckled outside the circular truncated cone ball, the edge of the inner closed ring is clamped in the inner buckling groove, the outer closed ring is stably spliced through the clamping of the inner buckled ring, the device is low in installation operation difficulty, the requirements on the thickness of the inner ring and the outer closed ring are low, the thickness of the inner ring and the outer closed ring is reduced, the weight of the device is reduced, the circular truncated cone-shaped ball increases the axial stress of the device, and the device is particularly suitable for middle and small sized stress support and guide rotation.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic sectional view of the present invention.

In the figure: 1. an inner ring; 2. externally combining rings; 3. mounting holes; 4. an inner buckling ring; 5. a seal ring; 6. a circular truncated cone ball; 7. a holder; 8. positioning a groove; 9. rolling a groove; 10. an inner buckle groove; 11. the ladder is matched with the 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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a light-duty carousel bearing of thin wall, including inner circle 1, outer ring 2 that closes, mounting hole 3, interior catching ring 4, round platform ball 6, holder 7, constant head tank 8, race 9 and interior catching

groove

10, 1 outer wall symmetry lock of inner circle has outer ring 2 that closes, race 2 and inner circle 1 correspond has seted up race 9 outward, and round platform ball 6 has evenly been placed in the

race

9, 1 surperficial central point of inner circle puts and has seted up

constant head tank

8, 1 outside cover of inner circle is equipped with holder 7, and holder 7 blocks in constant head tank 8, holder 7 cooperation cover is in the 6 outside of round platform ball, interior catching groove 10 has been seted up at 2 outer wall connection positions in outer ring of outer ring, 2 outside covers in outer ring is equipped with interior catching ring 4, and interior catching groove 4 card is in 10, mounting hole 3 has all been seted up to

inner circle

1 and 2 sides.

When the device is formed, the retainer 7 is buckled in the positioning groove 8, the circular truncated cone ball 6 is clamped in the retainer 7, the two outer closed rings 2 are pressed from the side edge of the inner ring 1, the inner ring 1 and the outer closed rings 2 are stably buckled outside the circular truncated cone ball 6, the edge of the inner closed ring 4 is clamped in the inner buckling groove 10, the outer closed rings 2 are stably spliced through the clamping of the inner closed rings 4, the device is low in installation operation difficulty, the requirement on the thickness of the inner ring 1 and the outer closed rings 2 is low, the thickness of the inner ring 1 and the outer closed rings 2 is reduced, the weight of the device is reduced, the circular truncated cone-shaped balls are increased, the axial stress of the device is increased, and the device is particularly suitable for middle and small size stress supporting and guided.

The sealing ring 5 is embedded in the side surface clamping position of the inner ring 1 and the outer ring 2, the sealing effect of the device is improved, and dust is prevented from entering the device to cause failure.

The outer ring 2 is provided with a ladder matching groove 11 at the joint position, so that the outer ring 2 is tightly jointed and stably supported.

The chamfer has all been seted up to the corner of inner circle 1, outer ring 2 and interior knot circle 4, increases the streamline of device and feels, improves handheld comfort level and security.

The inner ring 1 and the outer ring 2 are both made of surface hardened steel, and the round platform ball 6 is made of integrally hardened carbon-chromium bearing steel, so that the bearing is high in stress strength, strong in wear resistance and long in service life.

The retainer 7 is made of cast aluminum alloy, and has good wear resistance, stable use and small weight.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 light-duty carousel bearing of thin wall, includes inner circle (1), outer ring (2), mounting hole (3), interior catching ring (4), round platform ball (6), holder (7), constant head tank (8), slot roll (9) and interior catching groove (10), its characterized in that: inner circle (1) outer wall symmetry lock has outer ring (2), outer ring (2) and inner circle (1) correspond and have seted up race (9), and evenly placed round platform ball (6) in race (9), inner circle (1) surface central point puts and has seted up constant head tank (8), inner circle (1) outside cover is equipped with holder (7), and holder (7) card is in constant head tank (8), holder (7) cooperation cover is in the round platform ball (6) outside, inner catching groove (10) have been seted up at outer wall connection position of outer ring (2), outer cover of outer ring (2) is equipped with interior catching ring (4), and interior catching ring (4) card is in interior catching groove (10), mounting hole (3) have all been seted up to inner circle (1) and outer ring (2) side.

2. The thin-walled lightweight slewing bearing of claim 1, wherein: and a sealing ring (5) is embedded in the side surface clamping position of the inner ring (1) and the outer ring (2).

3. The thin-walled lightweight slewing bearing of claim 1, wherein: and a stepped matching groove (11) is formed in the joint position of the outer ring (2).

4. The thin-walled lightweight slewing bearing of claim 1, wherein: chamfers are arranged on the corners of the inner ring (1), the outer ring (2) and the inner buckling ring (4).

5. The thin-walled lightweight slewing bearing of claim 1, wherein: the inner ring (1) and the outer ring (2) are both made of surface hardened steel, and the round platform ball (6) is made of integrally hardened carbon-chromium bearing steel.

6. The thin-walled lightweight slewing bearing of claim 1, wherein: the retainer (7) is made of cast aluminum alloy.