CN215171538U

CN215171538U - Turntable bearing

Info

Publication number: CN215171538U
Application number: CN202120376816.XU
Authority: CN
Inventors: 程江; 秦磊; 肖采超; 徐正东
Original assignee: Xinchang Xunda Machinery Co ltd
Current assignee: Xinchang Xunda Machinery Co ltd
Priority date: 2021-02-19
Filing date: 2021-02-19
Publication date: 2021-12-14
Anticipated expiration: 2031-02-19

Abstract

The utility model discloses a turntable bearing, which comprises an inner ring, wherein the bottom end of the arc side surface of the inner ring is provided with a supporting edge, the upper surface of the supporting edge is provided with a first retainer, the first retainer is uniformly provided with a plurality of rollers, the middle part of the arc side surface of the inner ring is provided with a second retainer, the second retainer is uniformly provided with a plurality of balls, the outer side of the inner ring is provided with an outer ring, and the outer ring is clamped on the balls and the rollers, so that the problem that the strength is reduced because the whole turntable bearing is easily damaged in the assembling process due to the inconvenient assembling of the existing turntable bearing though the structure of the existing turntable bearing is solved, the turntable inner ring and the outer ring are mutually matched and convenient to assemble due to the improvement and optimization of the structure of the turntable bearing, and the matching line of the rollers and the balls of the turntable bearing can ensure that the running resistance of the whole bearing is small, thereby greatly facilitating the use of the turntable bearing, the turntable bearing is stable in use and small in use resistance.

Description

Turntable bearing

Technical Field

The utility model relates to a bearing technical field specifically is a turntable bearing.

Background

The turntable bearing is a large bearing with a special structure which can bear the comprehensive loads such as larger axial load, radial load, overturning moment and the like and integrates multiple functions of supporting, rotating, transmitting, fixing and the like. In general, 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, port machinery, wind power generation, medical equipment, radars, missile launching cradles and the like; however, the existing slewing bearing has the following problems: although the existing turntable bearing is stable in structure, the assembly is inconvenient, so that the whole turntable bearing is easy to damage in the assembly process, and the strength is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a turntable bearing aims at improving current turntable bearing though stable in structure, but the equipment is inconvenient to lead to whole turntable bearing impaired and the problem that leads to the intensity to reduce easily in the process of equipment.

The utility model discloses a realize like this:

a turntable bearing comprises an inner ring, wherein a supporting edge is arranged at the bottom end of the arc side surface of the inner ring, a first retainer is arranged on the upper surface of the supporting edge, a plurality of rollers are uniformly arranged on the first retainer, a second retainer is arranged in the middle of the arc side surface of the inner ring, a plurality of balls are uniformly arranged on the second retainer, an outer ring is arranged on the outer side of the inner ring, and the outer ring is clamped on the balls and the rollers; the inner circle is convenient for be connected together with the axle of equipment, thereby make things convenient for the carousel bearing rotatory, be convenient for the use of carousel bearing, the trailing edge is convenient for install first holder and roller, thereby conveniently through first holder and roller cooperation outer lane, be convenient for the outer lane can be stable with the inner circle carry out the relative rotation, the roller is convenient for reduce the resistance between outer lane and the inner circle on vertical, be convenient for take place relative rotation smoothly between inner circle and the outer lane, the second holder is convenient for install and fixed ball, thereby conveniently reduce the frictional force between outer lane and the inner circle through the ball, and then make things convenient for and can take place relative rotation between outer lane and the inner circle, be convenient for the use of whole carousel bearing, the outer lane is convenient for cooperate other parts of equipment, thereby make things convenient for whole carousel bearing to assist the carousel rotatory, the normal use of carousel of being convenient for.

Furthermore, a first mounting groove is formed in the upper surface of the supporting edge, a second mounting groove is formed in the middle of the arc side surface of the inner ring, and a plurality of mounting holes are uniformly formed in the upper surface of the inner ring; the first mounting groove is convenient for install first holder to make things convenient for that first holder can be stable carry on spacingly to the roller, the stability of the roller of being convenient for, the second mounting groove is convenient for install the second holder, and then make things convenient for the second holder with the stable installation and the use of roller, the mounting hole is convenient for slewing bearing's installation and use.

Furthermore, the middle part of the outer ring is provided with a trepanning, and the diameter of the trepanning is matched with the outer diameter of the inner ring; the structure facilitates the matching of the outer ring and the inner ring, thereby facilitating the complete sleeving on the inner ring, facilitating the installation and the use of the outer ring and facilitating the installation and the fixation of the outer ring.

Furthermore, a first clamping groove is formed in the position, aligned with the first mounting groove, of the inner side of the outer ring, and a plurality of mounting holes are formed in the position, close to the edge, of the outer ring; first draw-in groove is convenient for cooperate first holder and roller to make things convenient for the cooperation of first holder and roller to use, the mounting hole is convenient for slewing bearing's installation and use, and the whole slewing bearing cooperation equipment of being convenient for uses.

Furthermore, a second clamping groove is formed in the position, aligned with the second mounting groove, of the inner ring of the outer ring, and a plurality of gear teeth are uniformly arranged on the arc surface of the outer side of the outer ring; the second draw-in groove is convenient for cooperate the second holder to make things convenient for stable cooperation second holder of outer lane and ball to use, the stable equipment of the whole bearing of being convenient for, and then make things convenient for the use of whole bearing, the teeth of a cogwheel is convenient for outer lane cooperation external dimension, thereby makes things convenient for bearing cooperation gear to drive the carousel rotation and use.

Furthermore, a plurality of ball holes are uniformly formed in the first retainer, and a plurality of ball holes are uniformly formed in the arc side surface of the second retainer; the roll hole is convenient for install the roller to make things convenient for the installation and the fixed of roller, the use of the roller of being convenient for, the ball hole is convenient for install the ball, thereby makes things convenient for the installation and the use of ball, the rotation and the use of the whole carousel of being convenient for.

The whole turntable bearing is assembled by installing a first retainer and a second retainer on an inner ring, installing rollers and balls on the first retainer and the second retainer, matching an outer ring and the inner ring together, stabilizing the whole turntable bearing together, connecting the inner ring of the turntable bearing and a rotating shaft of equipment together, matching the outer ring with the bearing of the equipment, and ensuring that sufficient lubricating oil is in the turntable bearing when the turntable bearing is used.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a structure to carousel bearing improves and optimizes for carousel inner circle and outer lane are mutually supported and are convenient for assemble, and this kind of carousel bearing can make whole bearing running resistance little at the cooperation line of roller and ball, the very big use that has made things convenient for carousel bearing, and this kind of carousel bearing uses stably, and the resistance of use is little, has avoided the problem of the inconvenient equipment of traditional carousel bearing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a turntable bearing according to the present invention at a first viewing angle;

fig. 2 is a schematic structural view of the turntable bearing of the present invention at a second viewing angle;

FIG. 3 is a schematic structural view of the inner ring of the present invention;

FIG. 4 is a schematic structural view of the outer ring of the present invention;

fig. 5 is a schematic structural view of the first holder of the present invention;

fig. 6 is a schematic structural view of the second holder of the present invention;

in the figure: 1-inner ring; 11-trimming; 12-a first mounting groove, 13-a second mounting groove; 14-mounting holes; 2-outer ring; 21-trepanning; 22-a first card slot; 23-a second card slot; 24-gear teeth; 3-a first holder; 31-hole rolling; 4-a roller; 5-a second cage; 51-bead pores; 6-rolling balls.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Example (b): referring to fig. 1, 2 and 3: a turntable bearing comprises an inner ring 1, wherein a supporting edge 11 is arranged at the bottom end of the arc side surface of the inner ring 1, a first retainer 3 is arranged on the upper surface of the supporting edge 11, a plurality of rollers 4 are uniformly arranged on the first retainer 3, a second retainer 5 is arranged in the middle of the arc side surface of the inner ring 1, a plurality of balls 6 are uniformly arranged on the second retainer 5, an outer ring 2 is arranged on the outer side of the inner ring 1, and the outer ring 2 is clamped on the balls 6 and the rollers 4; the inner ring 1 is convenient to be connected with a shaft of equipment together, so that the rotation of the turntable bearing is convenient, the use of the turntable bearing is convenient, the supporting edge 11 is convenient to install the first retainer 3 and the roller 4, therefore, the first retainer 3 and the roller 4 are conveniently matched with the outer ring 2, so that the outer ring 2 and the inner ring 1 can stably rotate relatively, the roller 4 is convenient to reduce the resistance between the outer ring 2 and the inner ring 1 in the longitudinal direction, so that the inner ring 1 and the outer ring 2 can smoothly rotate relatively, the second retainer 5 is convenient to install and fix the ball 6, so that the friction force between the outer ring 2 and the inner ring 1 is conveniently reduced through the ball 6, the outer ring 2 is convenient to be matched with other parts of equipment, so that the whole turntable bearing is convenient to assist the turntable to rotate, and the turntable can be conveniently and normally used; the structure enables the inner ring 1 and the outer ring 2 of the turntable to be matched with each other, so that the assembly is convenient, the whole bearing running resistance of the turntable bearing can be small on the matching line of the rollers 4 and the balls 6, the turntable bearing is greatly convenient to use, the turntable bearing is stable to use and small in use resistance, and the problem of inconvenient assembly of the traditional turntable bearing is solved.

Referring to FIG. 3: the upper surface of the supporting edge 11 is provided with a first mounting groove 12, the middle part of the arc side surface of the inner ring 1 is provided with a second mounting groove 13, and the upper surface of the inner ring 1 is uniformly provided with a plurality of mounting holes 14; first mounting groove 12 is convenient for install first holder 3 to make things convenient for first holder 3 can be stable carry on spacingly to roller 4, the stability of roller 4 of being convenient for, second mounting groove 13 is convenient for install second holder 5, and then makes things convenient for second holder 5 with the stable installation and the use of roller 4, mounting hole 14 is convenient for slewing bearing's installation and use.

Referring to FIG. 4: the middle part of the outer ring 2 is provided with a trepanning 21, and the diameter of the trepanning 21 is matched with the outer diameter of the inner ring 1; the structure facilitates the outer ring 2 to be matched with the inner ring 1, so that the outer ring 2 can be conveniently and completely sleeved on the inner ring 1, and the outer ring 2 can be conveniently installed and used, so that the outer ring 2 can be conveniently installed and fixed; a first clamping groove 22 is formed in the position, aligned with the first mounting groove 12, of the inner side of the outer ring 2, and a plurality of mounting holes 14 are formed in the position, close to the edge, of the outer ring 2; the first clamping groove 22 is convenient to match the first retainer 3 and the roller 4, so that the first retainer 3 and the roller 4 can be conveniently matched for use, and the mounting hole 14 is convenient to mount and use the turntable bearing, so that the whole turntable bearing can be conveniently matched with equipment for use; a second clamping groove 23 is formed in the position, aligned with the second mounting groove 13, of the inner ring 1 of the outer ring 2, and a plurality of gear teeth 24 are uniformly formed on the outer side arc surface of the outer ring 2; second draw-in groove 23 is convenient for cooperate second holder 5 to make things convenient for 2 stable cooperation second holders 5 and the use of ball 6 in outer lane, the stable equipment of the whole bearing of being convenient for, and then make things convenient for the use of whole bearing, the teeth of a cogwheel 24 is convenient for 2 cooperation external dimensions in outer lane, thereby makes things convenient for bearing cooperation gear to drive the carousel rotation and use.

Referring to fig. 5 and 6: a plurality of ball holes 31 are uniformly formed in the first retainer 3, and a plurality of ball holes 51 are uniformly formed in the arc side surface of the second retainer 5; the roll hole 31 is convenient for installing the roller 4, so that the roller 4 can be conveniently installed and fixed, the roller 4 can be conveniently used, the ball hole 51 is convenient for installing the ball 6, the ball 6 can be conveniently installed and used, and the whole rotary table can be conveniently rotated and used.

The using method comprises the following steps: the whole turntable bearing is assembled by installing a first retainer 3 and a second retainer 5 on an inner ring 1, installing rollers 4 and balls 6 on the first retainer 3 and the second retainer 5, then matching an outer ring 2 and the inner ring 1 together, so that the whole turntable bearing is stable together, then connecting the inner ring 1 of the turntable bearing and a rotating shaft of equipment together, then matching the outer ring 2 with the bearing of the equipment, thereby facilitating the installation and the use of the turntable bearing, and ensuring that sufficient lubricating oil is arranged in the turntable bearing when the turntable bearing is used.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement 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 characterized by: including inner circle (1), inner circle (1) circular arc side bottom is equipped with support limit (11), support limit (11) upper surface is equipped with first holder (3), the even a plurality of rollers (4) that are equipped with on first holder (3), inner circle (1) circular arc side middle part is equipped with second holder (5), and the even a plurality of balls (6) that are equipped with on second holder (5), inner circle (1) outside is equipped with outer lane (2), outer lane (2) card is on ball (6) and roller (4).

2. A turntable bearing according to claim 1, characterized in that the upper surface of the supporting edge (11) is provided with a first mounting groove (12), the middle part of the arc side surface of the inner ring (1) is provided with a second mounting groove (13), and the upper surface of the inner ring (1) is uniformly provided with a plurality of mounting holes (14).

3. A slewing bearing according to claim 2, characterized in that the outer ring (2) is provided with a trepan boring (21) in the middle, the diameter of the trepan boring (21) matching the outer diameter of the inner ring (1).

4. A slewing bearing according to claim 3, characterized in that the inner side of the outer ring (2) in alignment with the first mounting groove (12) is provided with a first locking groove (22), and the outer ring (2) near the rim is provided with a plurality of mounting holes (14).

5. A turntable bearing according to claim 4, characterized in that a second locking groove (23) is provided at a position where the inner ring (1) of the outer ring (2) is aligned with the second mounting groove (13), and a plurality of gear teeth (24) are uniformly provided on the outer circular arc surface of the outer ring (2).

6. A slewing bearing according to claim 5, characterized in that the first cage (3) is provided with a plurality of ball holes (31) uniformly and the second cage (5) is provided with a plurality of ball holes (51) uniformly on the circular arc side.