CN201687862U

CN201687862U - Circulation roller split type bearing

Info

Publication number: CN201687862U
Application number: CN2010201884399U
Authority: CN
Inventors: 陈水胜; 李奕; 刘辉林; 范焱锋; 张志俊; 姜发全; 陈倩倩
Original assignee: Hubei University of Technology
Current assignee: Hubei University of Technology
Priority date: 2010-05-12
Filing date: 2010-05-12
Publication date: 2010-12-29
Anticipated expiration: 2020-05-12

Abstract

The utility model discloses a circulation roller split type bearing, which comprises a bearing body, an outer ring, a rolling body, an inner baffle ring, an inner ring, a reverser, an articulation hole bolt and an articulation hole screw, wherein the bearing body is provided with a circular outer slot and an inner slot, the inner baffle ring, the outer ring, the inner ring are all in a semicircular shape, and the reverse comprises a bolt, an outer baffle block and an inner baffle block. A double-layer through type hollow frame which comprises the inner slot of the bearing body, through holes on the two ends, the outer slot, the inner ring, the inner baffle ring, the outer ring and the reverse is used to move for a rolling body on directional circulation, has accurate positioning, does not have a cage, has simple structure, more loaded force-bearing points, increases the limiting rotational speed and the carrying capacity, and increases the service life of the bearing, circulation rolling bodies can be single column, also can be a plurality of columns, and the rolling bodies can be rollers, cylindrical rollers or tapered rollers.

Description

The circulating roller divided bearing

Technical field

The utility model relates to a kind of bearing, is specially the circulating roller divided bearing, belongs to the engineering goods field.

Background technique

Bearing belongs to part commonly used, general part in machinery, its effect is carrying, supports and the location that structure has integrated type and split type.The inner ring of solid box, bearing support are distinguished as a whole, in the process that removes and installs, will run into great difficulty, for example each bent axle, eccentric shaft and the major axis of several support zones is arranged, solid box can't be packed at all, and maintenance the time must tear open greatly unload greatly very difficult, not only waste great amount of manpower and material resources but also increased engineering time, also improved maintenance expenses simultaneously.The split-type shaft bearing structure is that inner ring, bearing support are made up by two semicircles, and it mainly acts on is to solve the position that solid box can not be installed, and helps loading and unloading.Domestic present divided bearing principal mode has subdivision selfaligning roller bearing, subdivision roller bearing, subdivision tapered roller thrust bearing, split type deep groove ball bearing, does not still have the design and the manufacturing of circulating roller divided bearing.

Utility model patent " a kind of split type selfaligning roller bearing " (application number: 200720016349.X), relate to a kind of split type selfaligning roller bearing.Be made up of bearing support, roller, little retainer, chucking circle, big retainer, pillar and inner ring, bearing support, inner ring, little retainer and big retainer are the symmetrical halves structure; Patent of invention " split type roller bearing " (application number: 200810301654.2) disclose a kind of split type roller bearing, be double column structure, every row comprise by bearing support, columna roller, the cover retainer of two half bearing bodies to being connected into, and dock the inner ring that forms by two and half inner rings; (application number: 200810301662.7) disclose a kind of split type spheric roller bearing, two groups of spherical rollers are installed in its retainer, retainer is connected as a single entity by two resilient connection sheets or U type folder patent of invention " split type spheric roller bearing "; Patent " split type rolling bearing " (application number: 99224793.4) a kind of split type rolling bearing that low speed, severe duty are used that is suitable for is disclosed, and with the pin formula bolt that has locating face that the affixed one-tenth of its split surface is whole.Patent " split type tapered roller thrust bearing " (application number: 200620153443.5) disclose a kind of split type tapered roller thrust bearing, be equiped with tapered roller in a plurality of tapered roller positioning holes of two semicircular retainers, with two mutual contrapositions of semicircular retainer; Patent " split type roller bearing " (application number: 95226270.3) relate to a kind of split type roller bearing, form by bearing support, inner ring, retainer and rolling element etc.; Patent " High-temperature Deep-furrow Ball Bearing " (application number: 200520143760.4) relate to a kind of High-temperature Deep-furrow Ball Bearing, form by steel ball, bearing support and inner ring, all have the circular arc raceway groove on bearing support internal surface and the inner ring outer surface, removed traditional retainer, adopt big radial internal clearance; Patent " inside and outside lock ball retainer split type four point contact thrust ball bearings " (application number: 200420120827.8) relate to a kind of inside and outside lock ball retainer split type four point contact thrust ball bearings, by clip and screw inner ring is fixed on the axle, with joining plate and joint bolt two-part of retainer are connected into an integral body tightly, two parts of bearing support are fixed by apparatus casing.

Above-described invention or utility model divided bearing, it is relatively low all can only to be suitable for rotating speed, and the running environment that bearing load is lighter relatively is unsuitable for limit speed requirement height, the relatively large occasion of bearing load.

Summary of the invention

The utility model proposes a kind of circulating roller divided bearing at above-mentioned deficiency, has the limit speed height, and bearing load is big, installation, convenient disassembly, Location accuracy height, long service life effect.

The technical solution of the utility model is: the circulating roller divided bearing, by inner ring, bearing support, inner shield ring, the outer ring, rolling element, reverser, articulation hole bolt and articulation hole screw are formed, it is characterized in that: the first half is arranged, two bearing suppories of Lower Half and two outer rings, also have two inner shield rings and two inner rings, their shape is semicircle opposite opened subdivision structure, by bearing support, inner ring, inner shield ring, outer ring and reverser form radially double-deck ring-type through be used for the cavity that the directed circulation of rolling element is moved, rolling element is arranged in this cavity, the stress surface of bearing support is the septal fossula groove face, inner ring, the internal layer rolling element is beaer, inner ring has outer channel, the outer ring is a back-up ring, radially Zi outer be the outer ring to interior sequence of positions, outer rolling element, the bearing support outer channel, the bearing support internal channel, internal layer rolling element and inner shield ring, inner ring, no retainer helps the location accurately, and is simple in structure, the force bearing point of loading ability of bearing is many, has improved bearing capacity.

Aforesaid circulating roller divided bearing, it is characterized in that: rolling element is radially double-deck annular arrangement in the internal channel of bearing support, outer channel, the rolling element that is on the internal channel becomes stressed carrier with tight contact of the outer channel of inner ring, through hole is the circulation moving walkway of rolling element between bearing support internal channel, outer channel and two grooves, help improving the limit speed and the working life of bearing, the roller wear extent of circulating rolling is little.

Aforesaid circulating roller divided bearing is characterized in that: the circulating rolling body is single-row, or multiple row, can adapt to different load needs.

Aforesaid circulating roller divided bearing is characterized in that: rolling element is ball or cylindrical roller or tapered roller, can adapt to the needs of different operating modes.

Aforesaid circulating roller divided bearing, it is characterized in that: the stress surface of bearing support or for the outer fissure groove face, the outer ring has internal channel, this septal fossula groove face is a stress surface, inner ring is a back-up ring, by the outer ring, bearing support and inner shield ring, inner ring and reverser form radially double-deck ring-type through be used for the cavity that the directed circulation of rolling element is moved, rolling element is arranged in this cavity, the outer ring, outer rolling element is beaer, radially Zi outer be the outer ring to interior sequence of positions, outer rolling element and inner shield ring, the bearing support outer channel, the bearing support internal channel, the internal layer rolling element, inner ring can make up easily by demand.

The beneficial effects of the utility model are: bearing adopts the circulating roller split type structure, because bearing does not use retainer, the quantity of rolling element is many than plain bearing, has improved the bearing capacity of bearing; The carrying rolling element is worked according to the mode of circulating rolling, and the fretting wear amount is little, has improved the limit speed of bearing, has prolonged the working life of bearing.

Description of drawings

Accompanying drawing 1 is that the utility model embodiment two halves circular journal bearing is formed the body schematic representation;

Accompanying drawing 2 is the structural drawing of bearing support

Accompanying drawing 3 is bearing support mockup figure

Accompanying drawing 4 is the inner ring structural drawing

Accompanying drawing 5 is bearing inner race part mockup figure

Accompanying drawing 6 is the bearing cross section view

Accompanying drawing 7 be in the accompanying drawing 6 A-A to the longitudinal section half sectional view

Accompanying drawing 8 is a reverser entity structure erection drawing

Accompanying drawing 9 is the reverser partial sectional view

Accompanying drawing 10 is inner shield ring design of part figure

Accompanying drawing 11 is outer ring design of part figure

Embodiment

Mark in the accompanying drawing:

In accompanying drawing 1, accompanying drawing 6, accompanying drawing 7, accompanying drawing 10, the accompanying drawing 11,1-inner ring, 2-bearing support, 3-inner shield ring, 4-outer ring, 5-rolling element, 6-reverser, 7-articulation hole bolt, 8-articulation hole screw;

In accompanying drawing 2, the accompanying drawing 3, the 21-bearing support first half, 21a-outer channel, 21b-internal channel, 21c-pilot hole, 21d-articulation hole through hole, 21e-tapped through hole, 22-bearing support Lower Half, 22a-outer channel, 22b-internal channel, 22c-pilot hole, 22d-articulation hole and interior threaded hole combination, 22e-tapped through hole;

In accompanying drawing 4, the accompanying drawing 5,11-inner ring 1 first half, 11a-outer channel, 11b-through hole, 12-inner ring Lower Half, 12a-outer channel, 12b-through hole;

In accompanying drawing 8, the accompanying drawing 9,61-screw, 62-outer baffle block, 63-internal stop.

Embodiment is described further below in conjunction with the utility model:

The circulating roller divided bearing is made up of inner ring 1, bearing support 2, inner shield ring 3, outer ring 4, rolling element 5, reverser 6, articulation hole bolt 7 and articulation hole screw 8.The shape of two bearing suppories 2, two outer rings 4, two inner shield rings 3, two inner rings 1 is semicircle opposite opened subdivision structure.Bearing support 2 is made up of the first half 21 and Lower Half 22, circular outer channel 21a, 22a and internal channel 21b, 22b is all arranged on it, also be useful on two articulation hole 21d, 22d that bearing support connects firmly up and down, and wherein the articulation hole 21d of first half bearing support 21 is a through hole; The articulation hole 22d of Lower Half bearing support 22 is a tapped hole, along the two ends of bearing support 21 outer channel 21a, 22a and internal channel 21b, 22b pilot hole 21c, a 22c and tapped hole 21e, a 22e who connects firmly reverser is arranged respectively.Outer ring 4 is a semi-annular shape, and its two ends respectively have one and cooperate the through hole that connects with reverser 6 screws 61.Inner shield ring 3 is a semi-annular shape, and a rectangular through holes that is used for the positioning and rolling body is arranged in the annulus, and the annulus two ends also respectively have an interior threaded hole that connects firmly with reverser 6 screws 61.Inner ring 1 is made up of two

semicircle annulus

11,12, has

outer channel

11a, 12a along outer ring surface, and the annulus two ends connect firmly articulation hole 11b, the 12b of two

inner rings

11,12 in addition, and this articulation hole is through hole.Reverser 6 is made up of screw 61, outer baffle block 62 and internal stop 63, outer baffle block 62 is irregular hexahedron, have a hole in the middle of it and cooperate connection with screw 61, internal stop 63 also is irregular hexahedron, have a hole in the middle of it and cooperate connection with screw 61, four reversers 6 are symmetrically distributed in metal (upper body both side ends.By

outer channel

11a, 12a inner shield ring 3 and outer ring 4, the reverser 6 of internal channel 21b, 22b two

ends pilot hole

21c, 22c, outer channel 21a, 22a and the

inner ring

11,12 of

bearing support

21,22 form radially double-deck ring-type through be used for the cavitys that rolling element 5 directed circulations are moved, rolling element 5 effect circulation by reverser 6 in this cavity is moved.Rolling element 5 closely contacts with

outer channel

11a, 12a face, the internal channel 21b of

bearing support

21,22, the 22b face of

inner ring

11,12, and the outer channel 11a of

inner ring

11,12,12a face, the internal channel 21b of

bearing support

21,22,22b face are two stress surfaces.

Annexation between each part is: reverser screw 61 passes outer baffle block 62 through holes of outer ring 4 through holes, reverser successively, connects firmly with internal thread through hole on

bearing support

21,22 internal thread through hole 21e, 22e, reverser internal stop 63 through holes and the inner shield ring 3; Articulation hole screw 8 passes bearing support 21 and connects firmly by the strand system tapped hole 22d on location pilot hole 21d and the bearing support 22 by the position that adds man-hour; Articulation hole bolt 7 passes

inner ring

11,12 and connects firmly with nut by

location pilot hole

11b, 12b by the position that adds man-hour, forms a circulating roller divided bearing.

With reference to accompanying drawing 6, in the present embodiment, rolling element 5 is shaped as ball, there is a reverser 6 to be installed on the bearing support 21, if

bearing support

21 and 22 is static,

inner ring

11,12 with axle when the direction of arrow shown in Figure 6 turns clockwise, rolling element 5 is except doing rotation, also will be along inner ring 11, outer channel 11a on 12, move, in the direction of arrows when ball moves to pilot hole 21c in the 12a path, during the 22c place, guiding through reverser 6 enters bearing

support

21,22 outer channel 21a, 22a, move in the other direction along the arrow shown in the figure, go round and begin again, finish the revolution circulation of rolling element 5.

Inner shield ring

3,4 of outer rings play a part to keep rolling element 5 when Bearing Installation, prevent that rolling element 5 separates with

bearing support

21 or 22 when bearing is installed, and guarantee rolling element 5 correct position location in

bearing support

21,22.

As accompanying drawing 3, the distance of

pilot hole

21c, 22c distance between bearing

body

21 and 22 end split surfaces is near more, its Location accuracy is high more, when installing, should notice that the through hole on the inner ring will cooperate according to the operative position installation with articulation hole bolt 7, articulation hole screw 8 on the bearing support will be installed according to operative position and cooperate, and prevents to produce bigger coaxiality deviation and axial deviation.

Claims

1. circulating roller divided bearing, by inner ring, bearing support, inner shield ring, the outer ring, rolling element, reverser, articulation hole bolt and articulation hole screw are formed, it is characterized in that: the first half is arranged, two bearing suppories of Lower Half and two outer rings, also have two inner shield rings and two inner rings, their shape is semicircle opposite opened subdivision structure, by bearing support, inner ring, inner shield ring, outer ring and reverser form radially double-deck ring-type through be used for the cavity that the directed circulation of rolling element is moved, rolling element is arranged in this cavity, the stress surface of bearing support is the septal fossula groove face, inner ring, the internal layer rolling element is beaer, inner ring has outer channel, the outer ring is a back-up ring, radially Zi outer be the outer ring to interior sequence of positions, outer rolling element, the bearing support outer channel, the bearing support internal channel, internal layer rolling element and inner shield ring, inner ring.

2. circulating roller divided bearing as claimed in claim 1, it is characterized in that: rolling element is radially double-deck annular arrangement in the internal channel of bearing support, outer channel, the rolling element that is on the internal channel becomes stressed carrier with tight contact of the outer channel of inner ring, and through hole is the circulation moving walkway of rolling element between bearing support internal channel, outer channel and two grooves.

3. circulating roller divided bearing as claimed in claim 1 is characterized in that: the circulating rolling body is single-row, or multiple row.

4. circulating roller divided bearing as claimed in claim 1 is characterized in that: rolling element is ball or cylindrical roller or tapered roller.

5. circulating roller divided bearing as claimed in claim 1, it is characterized in that: the stress surface of bearing support or for the outer fissure groove face, the outer ring has internal channel, this septal fossula groove face is a stress surface, inner ring is a back-up ring, by the outer ring, bearing support and inner shield ring, inner ring and reverser form radially double-deck ring-type through be used for the cavity that the directed circulation of rolling element is moved, rolling element is arranged in this cavity, the outer ring, outer rolling element is beaer, is the outer ring from outward to interior sequence of positions radially, outer rolling element and inner shield ring, the bearing support outer channel, the bearing support internal channel, the internal layer rolling element, inner ring.