CN212106614U

CN212106614U - Novel general high leakproofness slewing bearing

Info

Publication number: CN212106614U
Application number: CN202020245088.4U
Authority: CN
Inventors: 李海波; 张峪恺; 丁亚峰; 喻鹏
Original assignee: Anhui Ningguo Shunchang Mechanics Co ltd
Current assignee: Anhui Ningguo Shunchang Mechanics Co ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-12-08
Anticipated expiration: 2030-03-03

Abstract

The utility model discloses a novel universal high-tightness slewing bearing, which comprises an outer ring, an inner ring, rolling bodies, a plug, a taper pin, an oil cup, a gear sealing strip and a wedge-shaped sealing strip, wherein the outer ring and the inner ring are arranged in a staggered manner, raceways are symmetrically arranged between the circumferential side walls of the inner ring and the outer ring, and a plurality of groups of rolling bodies are uniformly distributed in the raceways; the utility model has the advantages of reasonable design, can change interior, outer tooth sealing device according to different equipment needs, realize once only accomplishing the installation, compare with prior art, can seal the protection to outer lane or inner circle gear engagement portion, reduce the wearing and tearing that outside iron fillings dust brought, make slewing bearing product can even running under abominable operating mode, improved the life of slewing bearing product, make the maintenance cycle extension 50% of slewing bearing product, the practicality is high.

Description

Novel general high leakproofness slewing bearing

Technical Field

The utility model relates to a slewing bearing technical field especially relates to novel general high leakproofness slewing bearing.

Background

Slewing bearing products are widely used in modern industry, and are called "joints of machines", which are important transmission parts necessary for machines which need to perform relative rotation movement between two objects and bear axial force, radial force and tilting moment. With the rapid development of the mechanical industry, the slewing bearing is widely applied to the industries of ship equipment, engineering machinery, light industry machinery, metallurgical machinery, medical machinery, industrial machinery and the like.

In actual life's application, slewing bearing often needs the cooperation gear to use, and the gear is the mechanical element of continuous meshing transmission motion and power, bears impact load and motion load, and current slewing bearing is relatively poor to the sealed protective properties of gear in the use, causes wearing and tearing because of outside iron fillings dust easily, is unfavorable for slewing bearing product smooth operation under abominable operating mode, influences the life of product, and for this reason, we have proposed novel general high leakproofness slewing bearing.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel general high leakproofness slewing bearing, the problem that solve are dustproof and the sealing performance of slewing bearing product, through the novel design to the product structure, realize being connected of high leakproofness between slewing bearing product and the equipment unit, the complete machine is reliable operation under abominable operating mode. In order to realize the technical purpose, the technical effect is achieved, and the utility model discloses a realize through following technical scheme.

The novel universal high-tightness slewing bearing comprises an outer ring, an inner ring, rolling bodies, plugs, taper pins, an oil cup, gear sealing strips and wedge-shaped sealing strips, wherein the outer ring and the inner ring are arranged in a staggered manner, raceways are symmetrically arranged between the circumferential side walls of the inner ring and the outer ring, a plurality of groups of rolling bodies are uniformly distributed in the raceways, a mounting hole is formed in the bottom of the outer ring, the mounting hole is connected with an external device component through a bolt, the upper part of the circumferential outer side wall of the outer ring is connected with an external gear, the lower end of the external gear is provided with the gear sealing strips, the wedge-shaped sealing strips are connected with the circumferential inner wall of the outer ring, the lower end of the inner ring is attached to the wedge-shaped sealing strips, a radial oil filling hole is formed in the top of the inner ring, the oil cup is mounted in the, the taper pin penetrates through the plug.

Preferably, the top and the bottom between outer lane and the inner circle all are equipped with wedge sealing strip, the gear sealing strip is located inner circle circumference inside wall, the upper portion of inner circle circumference inside wall is connected with the internal gear, the gear sealing strip is laminated to the internal gear lower extreme, horizontal oil filler point has been seted up to the lateral wall of outer lane, the oil cup is installed in horizontal oil filler point, set up the horizontal stifled hole that leads to the rolling element on the outer lane, be equipped with the jam in the horizontal stifled hole, it has the taper pin to peg graft on the periphery of outer lane, the taper pin runs through the jam.

Preferably, the flatness accuracy class of the inner ring installation surface is 7.

Preferably, the flatness accuracy of the outer ring mounting surface is class 7.

Preferably, the rolling bodies comprise steel balls and spacers.

The utility model has the advantages that:

the utility model has the advantages of reasonable design, can change interior, outer tooth sealing device according to different equipment needs, realize once only accomplishing the installation, compare with prior art, can seal the protection to outer lane or inner circle gear engagement portion, reduce the wearing and tearing that outside iron fillings dust brought, make slewing bearing product can even running under abominable operating mode, improved the life of slewing bearing product, make the maintenance cycle extension 50% of slewing bearing product, the practicality is high.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a first schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of the present invention.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1, the present embodiment is a novel universal high-sealing slewing bearing, which includes an outer ring 1, an inner ring 2, rolling elements 3, a plug 4, a taper pin 5, an oil cup 6, a gear seal 7, and a wedge seal 8, wherein the outer ring 1 and the inner ring 2 are arranged in a staggered manner, raceways are symmetrically formed between circumferential sidewalls of the inner ring 2 and the outer ring 1, and a plurality of groups of rolling elements 3 are uniformly distributed in the raceways.

The mounting hole has been seted up to the bottom of outer lane 1, the mounting hole passes through bolt external device part, the upper portion of 1 circumference lateral wall in outer lane is connected with outer gear 9, the lower extreme of outer gear 9 is equipped with

gear sealing strip

7, 1 circumference inside wall in outer lane is connected to

wedge sealing strip

8, 2 lower extreme laminating wedge sealing strips 8 of inner circle, radial oil filler point has been seted up at the top of inner circle 2, oil cup 6 installs in radial oil filler point, set up the horizontal stifled hole that accesss to rolling element 3 on the inner circle 2, be equipped with in the horizontal stifled hole and block up 4, it has taper pin 5 to peg graft on the periphery of.

The flatness precision grade of the mounting surface of the inner ring 2 is 7 grades, the flatness precision grade of the mounting surface of the outer ring 1 is 7 grades, and the rolling body 3 comprises a steel ball and a spacer block.

The utility model discloses a concrete implementation way does:

this device simple structure, simple to operate can add rolling element 3 in the raceway through horizontal plugged hole, runs through taper pin 5 and blocks up 4 and fix, carries out radial oiling through oil cup 6 to provide lubricated guarantee, prevent through wedge sealing strip 8 that the oil stain from leaking, it is sealed to external gear 9 meshing position through gear sealing strip 7, reduces the invasion of iron fillings dust, thereby reduces wearing and tearing, improves life, can operate steadily under abominable operating mode.

Example two

Referring to fig. 2, the present embodiment is a novel universal high-sealing slewing bearing, which includes an outer ring 1, an inner ring 2, rolling elements 3, a plug 4, a taper pin 5, an oil cup 6, a gear seal 7, and a wedge seal 8, wherein the outer ring 1 and the inner ring 2 are arranged in a staggered manner, raceways are symmetrically formed between circumferential sidewalls of the inner ring 2 and the outer ring 1, and a plurality of groups of rolling elements 3 are uniformly distributed in the raceways.

Top and bottom all are equipped with wedge sealing strip 8 between outer lane 1 and the inner circle 2, gear sealing strip 7 is located 2 circumference inside walls of inner circle, the upper portion of 2 circumference inside walls of inner circle is connected with internal gear 10, internal gear 10 lower extreme laminating gear sealing strip 7, horizontal oil filler point has been seted up to the lateral wall of outer lane 1, oil cup 6 is installed in horizontal oil filler point, set up the horizontal stifled hole that accesss to rolling element 3 on the outer lane 1, be equipped with in the horizontal stifled hole and block up 4, it has taper pin 5 to peg graft on the periphery of outer lane 1, taper pin 5 runs.

The utility model discloses a concrete implementation way does:

in this embodiment, through adding rolling element 3 in can the raceway through horizontal plug hole, run through taper pin 5 and block up 4 and fix, carry out horizontal oiling through oil cup 6 to provide lubricated guarantee, seal the protection to the raceway through wedge sealing strip 8, it is sealed to 10 meshing positions of internal gear through gear sealing strip 7, reduce iron fillings dust and invade, thereby reduce wearing and tearing, improve life, can be in smooth operation under abominable operating mode.

The device can change the inner and outer tooth sealing devices according to different equipment requirements, so that the installation can be completed at one time, and the maintenance period of the slewing bearing product is prolonged by 50 percent.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. Novel general high leakproofness slewing bearing, its characterized in that: the roller bearing comprises an outer ring (1), an inner ring (2), rolling bodies (3), a plug (4), taper pins (5), an oil cup (6), gear sealing strips (7) and wedge-shaped sealing strips (8), wherein the outer ring (1) and the inner ring (2) are arranged in a staggered manner, raceways are symmetrically arranged between the circumferential side walls of the inner ring (2) and the outer ring (1), a plurality of groups of rolling bodies (3) are uniformly distributed in the raceways, a mounting hole is formed in the bottom of the outer ring (1) and passes through a bolt external device part, an outer gear (9) is connected to the upper part of the circumferential outer side wall of the outer ring (1), the gear sealing strips (7) are arranged at the lower end of the outer gear (9), the wedge-shaped sealing strips (8) are arranged at the top and the bottom between the outer ring (1) and the inner ring (2), and the wedge, the lower end of the inner ring (2) is attached to a wedge-shaped sealing strip (8), a radial oil filling hole is formed in the top of the inner ring (2), an oil cup (6) is installed in the radial oil filling hole, a transverse blocking hole leading to the rolling body (3) is formed in the inner ring (2), a plug (4) is arranged in the transverse blocking hole, a taper pin (5) is inserted into the circumferential surface of the inner ring (2), and the taper pin (5) penetrates through the plug (4).

2. The novel universal high-tightness slewing bearing according to claim 1, characterized in that: gear sealing strip (7) are located inner circle (2) circumference inside wall, the upper portion of inner circle (2) circumference inside wall is connected with internal gear (10), internal gear (10) lower extreme laminating gear sealing strip (7), horizontal oil filler point has been seted up to the lateral wall of outer lane (1), install in horizontal oil filler point in oil cup (6), set up the horizontal stifled hole that accesss to rolling element (3) on outer lane (1), be equipped with in the horizontal stifled hole and block up (4), it has taper pin (5) to peg graft on the periphery of outer lane (1), taper pin (5) run through and block up (4).

3. The novel universal high-tightness slewing bearing according to claim 1, characterized in that: the flatness precision grade of the mounting surface of the inner ring (2) is 7 grades.

4. The novel universal high-tightness slewing bearing according to claim 1, characterized in that: the flatness precision grade of the mounting surface of the outer ring (1) is 7 grades.

5. The novel universal high-tightness slewing bearing according to claim 1, characterized in that: the rolling bodies (3) comprise steel balls and isolating blocks.