CN215762785U

CN215762785U - Roller bearing structure

Info

Publication number: CN215762785U
Application number: CN202121565204.1U
Authority: CN
Inventors: 宋艳萍; 周维存
Original assignee: Robo Technologiesautomation Suzhou Co ltd
Current assignee: Robo Technologiesautomation Suzhou Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2022-02-08
Anticipated expiration: 2031-07-08

Abstract

The utility model relates to a roller bearing structure, which comprises an outer ring, an inner ring, a rotating body, a rolling body and a retainer ring, wherein the rolling body is arranged between the inner ring and the outer ring, the retainer ring comprises an upper retainer ring and a lower retainer ring, the upper retainer ring and the lower retainer ring are respectively arranged at two ends of the rolling body, the lower retainer ring and the inner ring are of an integrated structure, the rotating body and the inner ring are coaxially arranged and are of an integrated structure, the upper retainer ring and the rotating body are coaxially arranged, an oil filling hole is arranged in the rotating body, the oil filling hole leads to the rolling body along the inner part of the rotating body, and vibration damping parts are arranged in the inner ring and the upper retainer ring. The utility model increases the bearing capacity of the bearing, is not easy to fall off and is wear-resistant, the defect of non-alignment of fit clearance is avoided, the lubrication in the bearing is convenient, the vibration of the bearing is reduced, the noise is less, the service life of the bearing is prolonged, the cost is saved, and the fault rate of the horizontal guide wheel is obviously reduced after the roller bearing is used in the field.

Description

Roller bearing structure

Technical Field

The utility model relates to the technical field of bearings, in particular to a roller bearing structure.

Background

The stacker is the main hoisting and transporting equipment in the warehouse, the horizontal guide wheel is important in the stacker, the horizontal guide wheel of the stacker is used for guiding the stacker to move horizontally along the roadway direction, and the stacker has the characteristics of high running speed, high impact resistance, wear resistance, long service life and the like.

At present, a horizontal guide wheel formed by combining a bearing, a wheel shell and the like is generally used in the market, or the horizontal guide wheel is made of a finished roller bearing. The current largest roller bearing NUTR has the bearing diameter of only 110mm, the rated static load is only about 116KN, the stress of the roller bearing is insufficient, and the problems of falling and abrasion and the like are easily caused because two check rings are arranged on the upper part and the lower part of a common roller bearing; for the wheel that bearing and wheel shell material combination formed, when receiving the heavy load, the wheel shell will be soft for the bearing material, leads to easy wearing and tearing, and cooperation bearing and axle clearance just are right, appear abnormal sound, wearing and tearing easily, drop and vibrations scheduling problem, cause the life of wheel low, the noise is big, has increased the maintenance rate of equipment, and is difficult for oiling lubricated. For some stacker machines that are heavily loaded or require high lateral forces, it is not appropriate to use these conventional idler structures.

Therefore, it is necessary to design a roller bearing structure.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is to overcome the defects that the roller bearing in the prior art is not stressed enough, is easy to wear and drop, has large vibration, has a non-matching gap between the shaft and the bearing and is difficult to lubricate.

In order to solve the technical problem, the utility model provides a roller bearing structure which comprises an outer ring, an inner ring, a rotating body, a rolling body and a retainer ring, wherein the rolling body is arranged between the inner ring and the outer ring, the retainer ring comprises an upper retainer ring and a lower retainer ring, the upper retainer ring and the lower retainer ring are respectively arranged at two ends of the rolling body, the lower retainer ring and the inner ring are of an integral structure, the rotating body and the inner ring are coaxially arranged and are of an integral structure, the upper retainer ring and the rotating body are coaxially arranged, an oil filling hole is formed in the rotating body, the oil filling hole leads to the rolling body along the inner part of the rotating body, and a vibration damping part is arranged in the inner ring and the upper retainer ring.

In one embodiment of the present invention, grooves are provided inside the inner ring and the upper retainer ring, and the vibration reduction portion is disposed in the grooves.

In one embodiment of the present invention, the vibration attenuating portion includes an elastic member and a cover plate, and one end of the elastic member is connected to the bottom of the groove and the other end is connected to the cover plate.

In an embodiment of the present invention, the cover plate and the groove are in a split structure, and the cover plate and the outer surface of the upper retainer ring or the inner ring are on a horizontal plane.

In one embodiment of the present invention, the vibration reduction portions are symmetrically distributed with respect to each other along the inner ring axis on the inner ring and the upper retainer.

In one embodiment of the utility model, the outer ring diameter is 200 mm or less.

In one embodiment of the utility model, the roller bearing further comprises dust covers connected with the outer ring and arranged at two ends of the rolling body.

In one embodiment of the utility model, the rolling elements are cylindrical rollers.

In one embodiment of the utility model, the rotor is provided with a thread on the outer side of one end opposite to the inner ring.

In one embodiment of the present invention, the materials of the rolling elements, the rotating bodies, the outer ring, the inner ring and the retainer ring are the same, and all are made of bearing steel.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

the lower retainer ring and the inner ring are integrated, the rotating body and the inner ring are integrated, the bearing capacity of the bearing is improved, the bearing is not prone to falling off and resistant to abrasion, the defect that a fit clearance is not matched with the bearing is overcome, the oil filling hole is communicated with the rotating body through the rotating body, lubrication inside the bearing is facilitated, the vibration reduction part enables the bearing to vibrate, noise is low, the service life of the bearing is prolonged, cost is saved, and the failure rate of the horizontal guide wheel is obviously reduced after the roller bearing is used on site.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the embodiments of the present disclosure taken in conjunction with the accompanying drawings, in which

FIG. 1 is a schematic view of the construction of the roller bearing of the present invention.

The specification reference numbers indicate: 1. a rotating body; 2. a cover plate; 3. an elastic element; 4. an upper retainer ring; 5. an outer ring; 6. a rolling body; 7. a groove; 8. an inner ring; 9. a lower retainer ring; 10. a dust cover; 11. an oil filling hole.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

Referring to fig. 1, the roller bearing structure of the present invention includes an outer ring 5, an inner ring 8, a rotor 1, a rolling element 6 and a retainer ring, preferably, the rolling element 6 is a cylindrical roller, the rolling element 6 is disposed between the inner ring 8 and the outer ring 5, the retainer ring includes an upper retainer ring 4 and a lower retainer ring 9, the upper retainer ring 4 and the lower retainer ring 9 are respectively disposed at two ends of the rolling element 6, the rolling element 6 moves between the inner ring 8 and the outer ring 5 to realize force transmission and rolling, the lower retainer ring 9 and the inner ring 8 are an integrated structure, the roller bearing improves the static load by 2.24 times, the dynamic load by 2.97 times, the diameter of the outer ring 5 is up to 200 mm at most, the bearing capacity of the bearing is increased, and the roller bearing is not easy to fall off and wear, and the service life of the roller bearing is prolonged; go up retaining ring 4 and the coaxial setting of rotor 1, rotor 1 and the coaxial setting of inner circle 8 and structure as an organic whole, rotor 1 is unchangeable with 6 fit clearance of rolling element promptly, the defect that fit clearance is not last has been avoided, be equipped with tank filler sleeve 11 in the rotor 1, tank filler sleeve 11 is along 1 inside access to rolling element 6 of rotor, rotor 1 and the 6 disconnect-type of rolling element before comparing, be convenient for more realize lubricated, be equipped with the screw thread on 8 one end outsides of the relative inner circle of rotor 1, be convenient for with required bearing device or part connection, easily dismantle when breaking down.

Inner circle 8 and last fender circle 4 inside are provided with the damping portion, it is concrete, inner circle 8 and the inside recess 7 that is provided with of last fender circle 4, the damping portion is arranged in recess 7, the mutual symmetric distribution of 8 axes along the inner circle on inner circle 8 and the last fender circle 4 of damping portion, wherein, the damping portion includes elastic element 3 and apron 2, 3 one end of elastic element is connected with recess 7 bottom, the other end is connected with apron 2, apron 2 and recess 7 are split type structure, it is detachable, apron 2 and last fender circle 4 or inner circle 8 surface are on a horizontal plane, there is not obvious salient, like this through elastic element 3's tensile and compression when the operation, reduce vibration, noise reduction.

The roller bearing further comprises a dust cover 10, the dust cover 10 is connected with the outer ring 5 and arranged at two ends of the rolling body 6, the sealing performance of the roller bearing is guaranteed, the service life is prolonged, the materials of the rolling body 6, the rolling body 1, the outer ring 5, the inner ring 8 and the retainer ring are consistent, bearing steel is adopted, most of the roller bearing is made of bearing steel, the phenomenon of uneven stress and abrasion caused by great hardness difference of the materials does not exist, and the abrasion resistance of the roller bearing is improved.

This roller bearing structure is used on some heavy loads and overlength stacker, and when rotor 1 is rotatory, it is rotatory to drive the inner circle 8 integrative with rotor 1, and rolling element 6, outer lane 5 be connected with inner circle 8 also rotate along with inner circle 8, and radial force and axial force also can transmit on outer lane 5, and at this in-process, dust cover 10 realizes sealed to the bearing, and the inside tank filler sleeve 11 of rotor 1 lets in lubricating oil and lubricates, the roller bearing structure has practiced thrift the cost, and it is more convenient to install, and the lubrication of being convenient for, lower retainer ring 9 and inner circle 8 are as an organic whole, go up the thickening of retainer ring 4, increase characteristics such as atress, wearability and anti-drop of guide pulley, have reduced the noise for the fault rate obviously reduces during the operation, thereby prolongs the life-span of guide pulley.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims

1. A roller bearing structure characterized by: including outer lane, inner circle, rotor, rolling element and retaining ring, the rolling element sets up the inner circle with between the outer lane, the retaining ring includes retaining ring and lower retaining ring, go up the retaining ring with the retaining ring is established respectively down the rolling element both ends, down the retaining ring with inner circle structure as an organic whole, the rotor with the coaxial setting of inner circle and structure as an organic whole, go up the retaining ring with the coaxial setting of rotor, be equipped with the tank filler sleeve in the rotor, the tank filler sleeve is followed the rotor is inside accesss to the rolling element, the inner circle with go up the inside damping portion that is provided with of retaining ring.

2. The roller bearing structure according to claim 1, wherein: the inner ring and the upper retainer ring are internally provided with grooves, and the vibration reduction part is arranged in the grooves.

3. The roller bearing structure according to claim 2, wherein: the vibration damping part comprises an elastic element and a cover plate, one end of the elastic element is connected with the bottom of the groove, and the other end of the elastic element is connected with the cover plate.

4. The roller bearing structure according to claim 3, wherein: the cover plate and the groove are of a split structure, and the cover plate and the outer surface of the upper retainer ring or the inner ring are on the same horizontal plane.

5. The roller bearing structure according to claim 1, wherein: the vibration reduction parts are symmetrically distributed on the inner ring and the upper retaining ring along the axis of the inner ring.

6. The roller bearing structure according to claim 1, wherein: the diameter of the outer ring is less than or equal to 200 mm.

7. The roller bearing structure according to claim 1, wherein: the roller bearing further comprises dust covers, and the dust covers are connected with the outer ring and arranged at two ends of the rolling body.

8. The roller bearing structure according to claim 1, wherein: the rolling bodies are cylindrical rollers.

9. The roller bearing structure according to claim 1, wherein: and the outer side of one end of the rotating body, which is opposite to the inner ring, is provided with threads.

10. The roller bearing structure according to any one of claims 1 to 9, wherein: the materials of the rolling body, the rotating body, the outer ring, the inner ring and the retainer ring are consistent, and all adopt bearing steel.