CN208185222U - A kind of detachable dual-purpose self-aligning roller bearing - Google Patents

Abstract

The utility model discloses a detachable dual-purpose self-aligning roller bearing, which comprises an outer ring bush, an outer ring, a cylindrical roller, an inner roller ring, a ball inner ring and balls. Outside the ring, the outer ring is provided with a roller inner ring and a ball inner ring. The roller inner ring is connected to the outer ring through a number of cylindrical rollers, and the ball inner ring is connected to the outer ring through a number of balls. Mate connection. The outside of the outer ring bush of the utility model adopts a standard cylindrical surface, which is convenient for assembly, and the inside is a spherical surface matched with the outer ring, which is convenient for centering, and the outer ring bush and the outer ring adopt a split structure, which is convenient for disassembly, assembly and maintenance , it can be used not only in the occasions with high speed, small load and high rotation precision, but also in low speed, large load or impact load, so as to realize the renovation of the original bearing, improve the service life of the bearing and reduce the consumption , the purpose of energy saving and emission reduction.

Description

A kind of detachable dual-purpose self-aligning roller bearing

[technical field]

The utility model relates to the technical field of bearing, in particular to a kind of detachable dual-purpose self-aligning roller bearing.

[background technique]

China's bearing enterprise sum accounts for bearing industry in the world and occupies the world the 4th after Japan, the U.S. and Germany.But with generation Bearing industry power in boundary's compares, and China's bearing industry is mainly shown as that high-precision, high technology content and height are attached there is also larger gap Value-added product ratio is relatively low, product stability is poor, reliability is low, the service life is short etc..According to first, but wherein, most scopes of the enterprise are not Greatly, competitiveness is not strong, and the ability to ward off risks is weak.The bearing yield of five big bearing enterprises of domestic tradition accounts for about national total amount 20%, German three major company's bearing yield account for the 96% of national total output, and four major company of the U.S. accounts for 56%, and Japanese five major companies account for There is rate to be up to 99.2%.

For existing most of bearing, once damage just can not repair, a way is only updated, larger waste is caused, and Existing bearing is assembled the ability only used for finished parts, user, and can not be dismantled, and is using and is repairing to individual Very big inconvenience is caused in the process.At the same time, due to having environmental protection, energy-saving and emission-reduction, save the cost and the advantages such as delivery cycle is short, The re-manufacturing technology of mechanical equipment and components has been more and more widely used in various industries field.Bearing especially rolls Dynamic bearing is core element that is extensive and being widely used in production equipment.Bearing scrap and replacement generally require to expend it is a large amount of Fund and time cost.And zero spare part of standard machinery is different from as special components, bearing re-manufacturing technology and process.It answers With bearing re-manufacturing technology, original bearing is overhauled, improves the service life of bearing, reduces consumption, energy-saving and emission-reduction.This technology mesh It is preceding to have been had been more and more widely used in metallurgy industry.

It is proposed to this end that a kind of detachable dual-purpose self-aligning roller bearing, realization overhaul original bearing, improve the use of bearing Service life reduces consumption, the purpose of energy-saving and emission-reduction.

[utility model content]

The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of detachable dual-purpose aligning roller Bearing aims to solve the problem that most of bearing is once damaging just can not repair in the prior art, to individual in use and maintenance process In cause the technical problem of very big inconvenience.

To achieve the above object, the utility model proposes a kind of detachable dual-purpose self-aligning roller bearings, including outer ring lining Set, outer ring, cylindrical roller, roller inner ring, ball inner ring and ball, the outer ring bushing is set in outside outer ring, described Outer ring is internally provided with roller inner ring and ball inner ring, and the roller inner ring is connected by several cylindrical rollers and outer ring cooperation It connects, the ball inner ring is cooperatively connected by several balls and outer ring.

Preferably, the inner peripheral surface of the outer ring bushing is the spherical surface of indent, the outer peripheral surface of the outer ring is evagination Spherical surface, the spherical surface of the evagination on the outer ring connect with the mating spherical surfaces of the indent on the bushing of outer ring.

Preferably, being provided with block in the middle part of the inner circumferential of the outer ring, and the inner circumferential of outer ring is in the left and right sides of block It is respectively arranged with ball outer rollaway nest and taper rolling face, the ball inner ring periphery is provided with ball interior rollaway nest, and described is several Ball is evenly distributed on to be formed by ball road by ball outer rollaway nest and ball interior rollaway nest, the periphery of the roller inner ring Cylindrical roller raceway is provided on face, several cylindrical rollers are tilted and are evenly distributed in cylindrical roller raceway, and with Taper rolling face connects, and the right side of the ball inner ring and block are inconsistent.

Preferably, the outer ring bushing is made of upper outer ring bushing and lower outer ring bushing two parts, described is upper outer The lower end surface of circle bushing connects with the upper surface of lower outer ring bushing.

Preferably, the two sides lower end surface of the upper outer ring bushing is provided with the first voussoir, the two of lower outer ring bushing Side upper surface is provided with first wedge slot corresponding with the first voussoir, the upper outer ring bushing by the first voussoir with it is corresponding First wedge slot cooperation realize connect with lower outer ring bushing.

Preferably, the outer ring by it is left outside circle and right outer ring two parts form, the right side of the left outside circle with The left side of right outer ring connects.

Preferably, the right side two sides of the left outside circle are provided with the second voussoir, the left side two sides of right outer ring are set It is equipped with the second wedge slot corresponding with the second voussoir, the left outside circle cooperates by the second voussoir with corresponding second wedge slot real Now it is connect with right outer ring.

Preferably, the roller inner ring and ball inner ring are coaxially disposed.

The utility model has the beneficial effects that compared with prior art, a kind of detachable dual-purpose tune provided by the utility model Heart roller bearing, structurally reasonable, outer ring bushing outer uses the cylindrical surface of standard, and convenient for assembly, inside is to match with outer ring Spherical surface, be convenient for aligning, and outer ring bushing is adopted a split structure with outer ring, and easy to disassemble, assembly is repaired, the utility model A kind of detachable dual-purpose self-aligning roller bearing, both can be higher in revolving speed, load is smaller, running accuracy high field close it is practical, again Can be lower in revolving speed, it is practical when load is larger or has shock loading, solve most of bearing at present once damaging just without Faville It repairs, causes larger waste, cause the problem of very big inconvenience in maintenance process to user, original bearing is overhauled in realization, improves axis The service life held reduces consumption, the purpose of energy-saving and emission-reduction.

The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.

[Detailed description of the invention]

Fig. 1 is a kind of structural schematic diagram of detachable dual-purpose self-aligning roller bearing of the utility model embodiment；

Fig. 2 is a kind of cross-sectional view of detachable dual-purpose self-aligning roller bearing of the utility model embodiment.

[specific embodiment]

To make the objectives, technical solutions and advantages of the present invention clearer, below by accompanying drawings and embodiments, The present invention will be further described in detail.However, it should be understood that specific embodiment described herein is only used to solve The utility model is released, the range being not intended to limit the utility model.In addition, in the following description, being omitted to known features With the description of technology, to avoid the concept for unnecessarily obscuring the utility model.

Refering to fig. 1 and Fig. 2, the utility model embodiment provide a kind of detachable dual-purpose self-aligning roller bearing, including outer ring Bushing 1, outer ring 2, cylindrical roller 3, roller inner ring 4, ball inner ring 5 and ball 6, the outer ring bushing 1 are set in outside outer ring 2 Portion, the outer ring 2 are internally provided with roller inner ring 4 and ball inner ring 5, and the roller inner ring 4 passes through several cylindrical rollers 3 It is cooperatively connected with outer ring 2, the ball inner ring 5 is cooperatively connected by several balls 6 with outer ring 2.

Wherein, the inner peripheral surface of the outer ring bushing 1 is the spherical surface of indent, and the outer peripheral surface of the outer ring 2 is evagination The spherical surface of spherical surface, the evagination on the outer ring 2 is connect with the mating spherical surfaces of the indent on outer ring bushing 1, the outer ring 2 It is provided with block 21 in the middle part of inner circumferential, and the inner circumferential of outer ring 2 is respectively arranged with 22 He of ball outer rollaway nest in the left and right sides of block 21 Taper rolls face 23, and 5 periphery of ball inner ring is provided with ball interior rollaway nest 51, several balls 6 be evenly distributed on by Ball outer rollaway nest 22 and ball interior rollaway nest 51 are formed by ball road, are provided on the outer peripheral surface of the roller inner ring 4 Cylindrical roller raceway 41, several cylindrical rollers 3 are tilted and are evenly distributed in cylindrical roller raceway 41, and are rolled with taper Face 23 connects, and the right side of the ball inner ring 5 and block 21 are inconsistent.

Further, the outer ring bushing 1 is made of upper outer ring bushing 11 and 12 two parts of lower outer ring bushing, described The lower end surface of upper outer ring bushing 11 connects with the upper surface of lower outer ring bushing 12, the two sides lower end surface of the upper outer ring bushing 11 It is provided with the first voussoir 111, the two sides upper surface of lower outer ring bushing 12 is provided with and the first voussoir 111 corresponding first Wedge slot 121, the upper outer ring bushing 11 are realized and lower outer ring by the first voussoir 111 with the cooperation of corresponding first wedge slot 121 Bushing 12 connects.

Further, the outer ring 2 is made of left outside circle 24 and 25 two parts of right outer ring, the right side of the left outside circle 24 End face connects with the left side of right outer ring 25, and the right side two sides of the left outside circle 24 are provided with the second voussoir 241, right outer ring 25 left side two sides are provided with second wedge slot 251 corresponding with the second voussoir 241, and the left outside circle 24 passes through the second wedge Block 241 is realized with the cooperation of corresponding second wedge slot 251 and is connect with right outer ring 25.

Further, the roller inner ring 4 and ball inner ring 5 are coaxially disposed.

A kind of detachable dual-purpose self-aligning roller bearing of the utility model, it is structurally reasonable, using standard outside outer ring bushing 1 Cylindrical surface, convenient for assembly, inside is the spherical surface that matches with outer ring 2, is convenient for aligning, and outer ring bushing 1 used with outer ring 2 it is seperated Formula structure, easy to disassemble, assembly, maintenance, a kind of detachable dual-purpose self-aligning roller bearing of the utility model, both can revolving speed compared with Height, load is smaller, and the conjunction of running accuracy high field is practical, and can be lower in revolving speed, practical when load is larger or has shock loading, solution Current most of bearing determined once damaging just can not repair, has caused larger waste, is caused in maintenance process to user greatly Inconvenient problem.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modification, equivalent replacement or improvement etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (4)

1. A detachable dual-purpose spherical roller bearing, characterized in that it includes an outer ring bushing (1), an outer ring (2), a cylindrical roller (3), an inner roller ring (4), a ball inner ring (5) and balls (6), the outer ring bushing (1) is sleeved outside the outer ring (2), and the outer ring (2) is provided with a roller inner ring (4) and a ball inner ring ring (5), the roller inner ring (4) is connected with the outer ring (2) through several cylindrical rollers (3), and the ball inner ring (5) is connected with the outer ring through several balls (6) (2) Fitting connection, the outer ring bushing (1) is composed of upper outer ring bushing (11) and lower outer ring bushing (12), the upper outer ring bushing (11) The lower end face is connected with the upper end face of the lower outer ring bushing (12), and the lower end faces of both sides of the upper outer ring bushing (11) are provided with first wedges (111), and the lower outer ring bushing ( 12) The first wedge grooves (121) corresponding to the first wedges (111) are provided on both sides of the upper end surface, and the upper outer ring bushing (11) is connected with the corresponding first wedges (111) The first wedge groove (121) is matched to realize the connection with the lower outer ring bushing (12). The outer ring (2) is composed of two parts, the left outer ring (24) and the right outer ring (25). The right end face of the left outer ring (24) is in contact with the left end face of the right outer ring (25). Second wedges (241) are arranged on both sides of the right end face of the left outer ring (24). The right outer ring ( 25) There are second wedge grooves (251) corresponding to the second wedge (241) on both sides of the left end surface, and the left outer ring (24) is connected to the corresponding second wedge (241) through the second wedge (241). The wedge groove (251) cooperates to realize being connected with the right outer ring (25). 2. A detachable dual-purpose self-aligning roller bearing according to claim 1, characterized in that: the inner peripheral surface of the outer ring bushing (1) is a concave spherical surface, and the outer ring The outer peripheral surface of (2) is a convex spherical surface, and the convex spherical surface on the outer ring (2) is mated with the concave spherical surface on the outer ring bushing (1). 3. A detachable dual-purpose spherical roller bearing according to claim 1, characterized in that: a stopper (21) is provided at the middle of the inner circumference of the outer ring (2), and the outer ring (2) ) on the inner periphery of the block (21) are respectively provided with ball outer raceways (22) and tapered rolling surfaces (23), and the outer periphery of the ball inner ring (5) is provided with ball inner raceways ( 51), the plurality of balls (6) are evenly distributed in the ball raceway formed by the ball outer raceway (22) and the ball inner raceway (51), and the outer peripheral surface of the roller inner ring (4) A cylindrical roller raceway (41) is arranged on the top, and the several cylindrical rollers (3) are inclined and evenly distributed in the cylindrical roller raceway (41) and connected with the tapered rolling surface (23). The right end surface of the ball inner ring (5) mentioned above is in conflict with the stopper (21). 4. A detachable dual-purpose spherical roller bearing according to claim 1, characterized in that: the roller inner ring (4) and the ball inner ring (5) are arranged coaxially.