CN202391957U

CN202391957U - Outer ring split type self-aligning roller bearing

Info

Publication number: CN202391957U
Application number: CN2011205201314U
Authority: CN
Inventors: 牟迅; 樊海亮
Original assignee: HUANGSHI RENBEN BEARING CO Ltd
Current assignee: HUANGSHI RENBEN BEARING CO Ltd
Priority date: 2011-12-14
Filing date: 2011-12-14
Publication date: 2012-08-22
Anticipated expiration: 2021-12-14

Abstract

The utility model relates to machine parts, in particular to an outer ring split type self-aligning roller bearing, which includes an outer ring and a double-raceway inner ring, wherein a left retainer and a right retainer are mounted between the outer ring and the double-raceway inner ring; a plurality of pockets are arranged in each retainer; a rolling body is correspondingly mounted in each pocket; and a middle space ring is mounted between the rolling bodies on the left and the right retainers. The outer ring split type self-aligning roller bearing is characterized in that the outer ring is formed by a left half ring and a right half ring through butting, fixing grooves are formed in butting parts of the left half ring and the right half ring, fixing circular sleeves capable of fixedly connecting the left half ring and the right half ring into a whole are mounted in the fixing grooves, and the width of the outer ring is larger than that of the inner ring. The outer ring split type self-aligning roller bearing solves the problems that the conventional self-aligning roller bearing has poor self-aligning performance, small self-aligning angle and high friction torque, and can bear less single radial load, and the rolling bodies are difficult to mount; therefore, the outer ring split type self-aligning roller bearing is widely applied to mechanical equipment requiring large-angle alignment.

Description

Outer ring split type selfaligning roller bearing

Technical field

The utility model relates to element part, especially a kind of outer ring split type selfaligning roller bearing.

Background technique

At present, outer ring and inner ring that selfaligning roller bearing is generally all equated by width are formed, and left and right two retainers are housed between outer ring and inner ring; Be equipped with the pocket hole on each retainer, equal correspondence is equipped with rolling element in each pocket hole, and middle spacer ring is housed between the rolling element on the left and right retainer; This traditional structure is because the width of outer ring and inner ring is equal; Make the aligning ability and the aligning angle of selfaligning roller bearing receive very big restriction, and bearing outer ring made an integral body, and the interior roller surface of bearing outer ring is circular arc; The raceway diameter is reduced by interior outward gradually; Rolling element give to be installed like this have been brought very big inconvenience, therefore design and a kind of rolling element and retainer can be installed conveniently, and the selfaligning roller bearing that can increase the aligning angle is that ten minutes is necessary with retainer.

Summary of the invention

The purpose of the utility model is exactly that will to solve traditional selfaligning roller bearing aligning performance poor; The aligning angle is less; Friction torque is big, can only bear less single radial load and rolling element and be difficult for problems such as installation, and a kind of outer ring split type selfaligning roller bearing is provided.

The concrete scheme of the utility model is: improve to traditional selfaligning roller bearing; It has outer ring and two raceway inner rings, between outer ring and two raceway inner ring, left and right two retainers is housed, and is equipped with several pocket holes on each retainer; Equal correspondence is equipped with rolling element in each pocket hole; Middle spacer ring is housed between the rolling element on the left and right retainer, it is characterized in that: said outer ring is to be formed by left half-turn and the butt joint of right half-turn, and the joint of left half-turn and right half-turn all has fixed groove; The Fixing shrink ring that left half-turn is fixedly connected one with right half-turn is housed in the fixed groove, and the width of outer ring is greater than the width of inner ring.

The width of left half-turn and right half-turn described in the utility model equates.

The width of outer ring described in the utility model is wideer by 16% than the width of inner ring.

Fixed groove on left half-turn described in the utility model and the right half-turn is docking together and forms the protruding inverted v-shaped structure in middle part, and said Fixing shrink ring is the structure that is complementary with fixed groove.

Fixing shrink ring described in the utility model is the plastics Fixing shrink ring.

The utility model has improved the aligning ability of bearing; The aligning angle of bearing increases and is twice abovely, has reached ± 6 °, makes bearing that lower friction torque arranged; And can bear bigger single radial load and very little thrust load; And be easy to installation, dismounting, cleaning maintenance, effectively reduced the maintenance and the replacing time of bearing, simplified bearing seal and position structure greatly.

Description of drawings

Fig. 1 is the main sectional view of traditional selfaligning roller bearing;

Fig. 2 is the main sectional view of the utility model.

Among the figure: spacer ring among the 1-, 2-rolling element, 3-left side retainer, 4-outer ring, the right retainer of 5-, the two raceway inner rings of 6-, the right half-turn of 7-, 8-left side half-turn, 9-fixed groove, 10-Fixing shrink ring.

Embodiment

Referring to Fig. 1 and Fig. 2; The utlity model has outer ring 4 and two raceway inner rings 6; Between outer ring 4 and two raceway inner ring 6, left and right two

retainers

3 and 5 are housed, are equipped with 21 pocket holes (not marking among the figure) on the left and

right retainer

3 and 5, equal correspondence is equipped with rolling element 2 in each pocket hole; Spacer ring 1 in being equipped with between the rolling element on the left and

right retainer

3 and 5; Particularly: said outer ring 4 is to be formed with right half-turn 7 butt joints by the left half-turn 8 that width equates, the joint of left half-turn 8 and right half-turn 7 all has fixed groove 9, and the plastics Fixing shrink ring 10 that left half-turn 8 is fixedly connected one with right half-turn 7 is housed in the fixed groove 9; Fixed groove 9 on wherein left half-turn 8 and the right half-turn 7 is docking together and forms the protruding inverted v-shaped structure in middle part; Described Fixing shrink ring 10 is the structure that is complementary with fixed groove 9, and the width of outer ring 4 is wideer by 16% than the width of inner ring 6, has promptly constituted the utility model.

Claims

1. outer ring split type selfaligning roller bearing; Have outer ring and two raceway inner rings, between outer ring and two raceway inner ring, left and right two retainers are housed, be equipped with several pocket holes on each retainer; Equal correspondence is equipped with rolling element in each pocket hole; Middle spacer ring is housed between the rolling element on the left and right retainer, it is characterized in that: said outer ring is to be formed by left half-turn and the butt joint of right half-turn, and the joint of left half-turn and right half-turn all has fixed groove; The Fixing shrink ring that left half-turn is fixedly connected one with right half-turn is housed in the fixed groove, and the width of outer ring is greater than the width of inner ring.

2. outer ring according to claim 1 split type selfaligning roller bearing is characterized in that: the width of said left half-turn and right half-turn equates.

3. outer ring according to claim 1 split type selfaligning roller bearing, it is characterized in that: the width of said outer ring is wideer by 16% than the width of inner ring.

4. outer ring according to claim 1 split type selfaligning roller bearing is characterized in that: the fixed groove on said left half-turn and the right half-turn is docking together and forms the protruding inverted v-shaped structure in middle part, and said Fixing shrink ring is the structure that is complementary with fixed groove.

5. outer ring according to claim 1 split type selfaligning roller bearing is characterized in that: said Fixing shrink ring is the plastics Fixing shrink ring.