CN218031072U

CN218031072U - Turntable bearing

Info

Publication number: CN218031072U
Application number: CN202222237700.5U
Authority: CN
Inventors: 张人华
Original assignee: Hangzhou Dongheng New Materials Co ltd
Current assignee: Hangzhou Dongheng New Materials Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2022-12-13
Anticipated expiration: 2032-08-25

Abstract

The utility model relates to the technical field of bearings, and a turntable bearing is disclosed, the on-line screen storage device comprises a base, the circular recess has been seted up at the middle part of base upper surface, fixedly connected with outer loop casing in the circular recess at base upper surface middle part, the inner wall of outer loop casing is equipped with the inner ring casing, inner ring shells inner wall fixedly connected with driven shaft, the bar groove has been seted up at the middle part of inner ring casing side, the bar inslot fixedly connected with baffle at inner ring casing side middle part, the both sides of baffle all are equipped with the limiting plate, one side that the baffle was kept away from to the limiting plate all is equipped with the oil storage plate, the equal fixedly connected with second spacing ring of bar inslot at inner ring casing side both ends, the utility model discloses an oil storage plate, when using this turntable bearing, when lubricating oil on the steel ball reduces, the inside lubricating oil of oil storage plate will flow to cover the surface at the steel ball, thereby continue to make the oil film on steel ball surface keep balance, be favorable to improving this turntable bearing's stability and improve life.

Description

Turntable bearing

Technical Field

The utility model relates to a bearing technical field, more specifically relate to a turntable bearing.

Background

The turntable bearing is a large bearing with a special structure which can bear large comprehensive loads such as axial load, radial load, overturning moment and the like at the same time and integrates multiple functions such as supporting, rotating, transmission, fixing and the like, and generally, the turntable bearing is provided with a mounting hole, lubricating oil and a sealing device, so that different requirements of various hosts working under different working conditions can be met; on the other hand, the turntable bearing has the characteristics of compact structure, convenient guide rotation, simple and convenient installation, easy maintenance and the like, and is widely applied to large-scale slewing devices such as hoisting and transporting machinery, mining machines, constructional engineering machinery, harbor machinery, wind power generation, medical equipment, radars, missile launcher and the like.

The existing turntable bearing still has the defects that firstly, the existing turntable bearing is not provided with a device for blocking the steel ball, and the bearing body is in a high-speed rotating state when working, and in the state, the steel ball easily slides out of the outer ring shell, so that the bearing body is damaged, and further the machine cannot run.

Secondly, the steel ball on the current bearing body, under the condition of long-time work, the wearing and tearing of steel ball can increase, and then influence the life of bearing body, current disc bearing adopts oily formula moreover mostly, but oily formula leads to the maintenance of bearing body not convenient, need drain lubricating oil during the maintenance to the efficiency of maintenance has been reduced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defects of the prior art, the present invention provides a turntable bearing to solve the problems existing in the above-mentioned background art.

The utility model provides a following technical scheme: a turntable bearing comprises a base, wherein a circular groove is formed in the middle of the upper surface of the base, an outer ring shell is fixedly connected into the circular groove in the middle of the upper surface of the base, an inner ring shell is arranged on the inner wall of the outer ring shell, a driven shaft is fixedly connected to the inner wall of the inner ring shell, a strip-shaped groove is formed in the middle of the side surface of the inner ring shell, a baffle is fixedly connected into the strip-shaped groove in the middle of the side surface of the inner ring shell, limiting plates are arranged on two sides of the baffle, an oil storage plate is arranged on one side, away from the baffle, of each limiting plate, strip-shaped grooves are formed in two ends of the side surface of the inner ring shell, and second limiting rings are fixedly connected into the strip-shaped grooves in two ends of the side surface of the inner ring shell;

further, the bar groove has all been seted up at the middle part at inner ring shells inner wall both ends, the equal fixedly connected with second fixed strip of bar inslot at inner ring shells inner wall both ends middle part, and one side that the inner ring casing was kept away from to the second fixed strip is all fixed in the driven shaft side and is close to the one end of inner ring casing.

Further, the bar groove has all been seted up at the both ends of outer loop casing side, the first fixed strip of the equal fixedly connected with in the bar inslot at outer loop casing side both ends, and one side fixed connection that outer loop casing was kept away from to first fixed strip is on the inner wall in base upper surface middle part bar groove, and the bar groove has all been seted up at outer loop shells inner wall's both ends, the first spacing ring of the equal fixedly connected with in the bar inslot at outer loop shells inner wall both ends.

Furthermore, steel balls are arranged in the limiting plates at equal intervals, limiting grooves are formed in the middle parts of two sides of the baffle, and the limiting grooves in the middle parts of two sides of the baffle are connected with the side faces of the steel balls in a sliding mode.

Further, the strip groove has all been seted up at the middle part of the both sides of oil storage plate, and the oil storage plate is close to one side fixed connection that the baffle was kept away from to the surface and the limiting plate of limiting plate one side, and one side fixed connection that the limiting plate was kept away from to the oil storage plate has the closing plate, and the oil storage plate forms for strong absorbent material casting.

Furthermore, one side of the first limiting ring close to the oil storage plate is fixedly connected with one side of the sealing plate far away from the oil storage plate, and one side of the second fixing strip close to the oil storage plate is fixedly connected with one side of the sealing plate far away from the oil storage plate.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be equipped with the oil storage plate, when using this rotary table bearing, when lubricating oil on the steel ball reduced, the inside lubricating oil of oil storage plate will flow to the cover is on the surface of steel ball, thereby continues the oil film keep balance that makes the steel ball surface, is favorable to improving this rotary table bearing's stability.

2. The utility model discloses a be equipped with the closing plate, when using this carousel bearing, the closing plate can prevent that the inside lubricating oil of oil storage plate from trickling to the outside, can also prevent that the dust in the air from descending the inside of outer loop casing and inner ring casing to resistance when making the increase steel ball rotate is favorable to increasing this carousel bearing's life.

3. The utility model discloses a be equipped with first spacing ring and second spacing ring, when using this carousel bearing, first spacing ring and second spacing ring can prevent that the oil storage plate from droing from the inside of outer loop casing and inner ring casing when using, are favorable to further improving this carousel bearing's stability.

Drawings

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

Fig. 2 is an explosion diagram of the overall structure of the present invention.

Fig. 3 is a schematic cross-sectional view of the overall structure of the present invention.

Fig. 4 is an enlarged schematic view of a portion a in fig. 3.

The reference signs are: 1. a base; 2. a driven shaft; 3. an outer ring housing; 301. a first limit ring; 302. a first fixing strip; 4. an inner ring housing; 401. a second stop collar; 402. a second fixing strip; 403. a baffle plate; 5. a limiting plate; 501. a steel ball; 6. an oil storage plate; 601. and (7) sealing the plate.

Detailed Description

The present invention will be described more fully with reference to the accompanying drawings, and the embodiments described in the following embodiments are merely examples, and the present invention is not limited to the embodiments described in the following embodiments, and all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present invention.

Referring to fig. 1-4, the utility model provides a turntable bearing, including base 1, the middle part of base 1 upper surface has seted up the circular slot, fixedly connected with outer loop casing 3 in the circular slot at base 1 upper surface middle part, the inner wall of outer loop casing 3 is equipped with inner ring casing 4, inner ring casing 4 inner wall fixedly connected with driven shaft 2, the middle part of inner ring casing 4 side has seted up the bar groove, fixedly connected with baffle 403 in the bar groove at inner ring casing 4 side middle part, the both sides of baffle 403 all are equipped with limiting plate 5, one side of limiting plate 5 far away from baffle 403 all is equipped with oil storage plate 6, the both ends of inner ring casing 4 side have all seted up the bar groove, the bar inslot at both ends of inner ring casing 4 side all fixedly connected with second spacing ring 401;

in this embodiment, it should be specifically described that, the second limiting ring 401 is fixedly connected to the strip-shaped grooves at the two ends of the side surface of the inner ring housing 4, and when the bearing is used, the second limiting ring 401 can prevent the inner ring housing 4 from rotating in the circular groove on the upper surface of the base 1, so as to improve the stability of the bearing.

Referring to fig. 1, the bar groove has all been seted up at the middle part at inner ring casing 4 inner wall both ends, the equal fixedly connected with second fixed strip 402 of bar inslot at inner ring casing 4 inner wall both ends middle part, and one side that inner ring casing 4 was kept away from to second fixed strip 402 is all fixed in the one end that is close to inner ring casing 4 in 2 sides of driven shaft.

It should be specifically described in this embodiment that, the second fixing strips 402 are fixedly connected to the strip-shaped grooves in the middle portions of the two ends of the inner wall of the inner ring casing 4, and when the bearing is used, the second fixing strips 402 can prevent articles between the outer ring casing 3 and the inner ring casing 4 from falling off, so that the bearing is more durable.

Referring to fig. 1, the bar groove has all been seted up at the both ends of 3 sides of outer loop casing, the first fixed strip 302 of the equal fixedly connected with of bar inslot at 3 sides both ends of outer loop casing, and one side fixed connection that outer loop casing 3 was kept away from to first fixed strip 302 is on the inner wall in base 1 upper surface middle part bar groove, and the bar groove has all been seted up at the both ends of 3 inner walls of outer loop casing, the first spacing ring 301 of the equal fixedly connected with of bar inslot at 3 inner walls both ends of outer loop casing.

In this embodiment, it should be specifically described that, by fixedly connecting the first fixing strips 302 in the strip-shaped grooves at the two ends of the side surface of the outer ring housing 3, when in use, the first fixing strips 302 can prevent the articles between the outer ring housing 3 and the inner ring housing 4 from falling off, so as to improve the stability of the bearing.

Referring to fig. 1, steel balls 501 are arranged in the limiting plate 5 at equal intervals, limiting grooves are formed in the middle portions of two sides of the baffle 403, and the limiting grooves in the middle portions of two sides of the baffle 403 are connected with the side faces of the steel balls 501 in a sliding mode.

In this embodiment, it should be specifically described that, by arranging the steel balls 501 in the limiting plate 5 at equal intervals, the steel balls 501 enable the base 1 and the driven shaft 2 to rotate around the outer ring housing 3 and the inner ring housing 4, so that the outer ring housing 3 and the inner ring housing 4 can rotate relatively, and the steel balls 501 can reduce sliding friction force generated when the bearing rotates.

Referring to fig. 1, the strip groove has all been seted up at the middle part of oil storage plate 6's both sides, and one side fixed connection of baffle 403 is kept away from to surface and limiting plate 5 that oil storage plate 6 is close to limiting plate 5 one side, and one side fixedly connected with closing plate 601 that limiting plate 5 was kept away from to oil storage plate 6, and oil storage plate 6 is formed for the casting of strong absorbent material.

In this embodiment, it should be specifically noted that, in the case where the oil storage plate 6 is cast from a strong adsorption material, when the amount of the lubricating oil on the steel ball 501 is reduced during use, the lubricating oil inside the oil storage plate 6 flows out to cover the surface of the steel ball 501, so as to keep the oil film on the surface of the steel ball 501 balanced.

Referring to fig. 1, one side of the first limiting ring 301 close to the oil storage plate 6 is fixedly connected with one side of the sealing plate 601 far away from the oil storage plate 6, and one side of the second fixing strip 402 close to the oil storage plate 6 is fixedly connected with one side of the sealing plate 601 far away from the oil storage plate 6.

In this embodiment, it should be specifically noted that, by the first limit ring 301 and the second limit ring 401 provided on the side of the sealing plate 601 away from the oil storage plate 6, the first limit ring 301 and the second limit ring 401 can prevent the oil storage plate 6 from falling off from the inside of the outer ring housing 3 and the inner ring housing 4 when in use, thereby increasing the stability of the bearing.

The utility model discloses a theory of operation: when the turntable bearing is used, firstly, the outer ring shell 3 can be fixed in a strip-shaped groove in the middle of the upper surface of the base 1 through the first fixing strip 302, then the inner ring shell 4 can be fixedly connected with the side surface of the driven shaft 2 through the second fixing strip 402, so that the installation of the device is completed, the steel ball 501 is installed between the outer ring shell 3 and the inner ring shell 4, so that the steel ball 501 is simultaneously contacted with a sliding groove on the upper surface of the baffle 403 and a sliding groove on the outer inner wall of the outer ring shell 3, so that the base 1 and the driven shaft 2 can rotate by taking the outer ring shell 3 and the inner ring shell 4 as centers, further the outer ring shell 3 and the inner ring shell 4 can rotate relatively, and when the rotation of the bearing can be reduced by the steel ball 501, when the steel ball 501 is installed, lubricating oil is added into the strip grooves on the two sides of the oil storage plate 6, the running oil storage plate 6 achieves a lubricating effect through the lubricating oil, specifically, the oil film covering degree on the steel ball 501 is adjusted through the oil storage plate 6, when the lubricating oil on the steel ball 501 is reduced, the lubricating oil inside the oil storage plate 6 flows out and covers the surface of the steel ball 501, so that the oil film on the surface of the steel ball 501 is kept balanced continuously, when the steel ball 501 is used, the sealing plate 601 can prevent the lubricating oil inside the oil storage plate 6 from flowing to the outside, and can prevent dust in air from falling into the outer ring shell 3 and the inner ring shell 4, so that the resistance of the steel ball 501 in rotation is increased.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A slewing bearing, comprising a base (1), characterized in that: the circular slot has been seted up at the middle part of base (1) upper surface, fixedly connected with outer loop casing (3) in the circular slot at base (1) upper surface middle part, the inner wall of outer loop casing (3) is equipped with inner ring casing (4), inner ring casing (4) inner wall fixedly connected with driven shaft (2), the bar groove has been seted up at the middle part of inner ring casing (4) side, bar inslot fixedly connected with baffle (403) at inner ring casing (4) side middle part, the both sides of baffle (403) all are equipped with limiting plate (5), one side that baffle (403) were kept away from in limiting plate (5) all is equipped with oil storage plate (6), the bar groove has all been seted up at the both ends of inner ring casing (4) side, the equal fixedly connected with second spacing ring (401) of bar inslot at inner ring casing (4) side both ends.

2. A slewing bearing according to claim 1, wherein: the middle part at inner ring casing (4) inner wall both ends has all been seted up the bar groove, the equal fixedly connected with second fixed strip (402) of bar inslot at inner ring casing (4) inner wall both ends middle part, one side that inner ring casing (4) were kept away from in second fixed strip (402) is all fixed in driven shaft (2) side and is close to the one end of inner ring casing (4).

3. A slewing bearing according to claim 2, wherein: the bar groove has all been seted up at the both ends of outer loop casing (3) side, the first fixed strip (302) of the equal fixedly connected with in the bar inslot at outer loop casing (3) side both ends, one side fixed connection that outer loop casing (3) were kept away from in first fixed strip (302) is on the inner wall in base (1) upper surface middle part bar groove, the bar groove has all been seted up at the both ends of outer loop casing (3) inner wall, the first spacing ring (301) of the equal fixedly connected with in the bar inslot at outer loop casing (3) inner wall both ends.

4. A slewing bearing according to claim 1, characterized in that: the steel balls (501) are arranged in the limiting plate (5) at equal intervals, limiting grooves are formed in the middle portions of two sides of the baffle (403), and the limiting grooves in the middle portions of two sides of the baffle (403) are connected with the side faces of the steel balls (501) in a sliding mode.

5. A slewing bearing according to claim 1, characterized in that: the middle part of the both sides of oil storage plate (6) has all been seted up the bar groove, oil storage plate (6) are close to the surface of limiting plate (5) one side and one side fixed connection of baffle (403) is kept away from with limiting plate (5), one side fixed connection of limiting plate (5) is kept away from in oil storage plate (6) has closing plate (601), oil storage plate (6) are formed for strong absorbent cast.

6. A slewing bearing according to claim 3, wherein: one side of the first limiting ring (301) close to the oil storage plate (6) is fixedly connected with one side of the sealing plate (601) far away from the oil storage plate (6), and one side of the second fixing strip (402) close to the oil storage plate (6) is fixedly connected with one side of the sealing plate (601) far away from the oil storage plate (6).