CN206655910U - A kind of aviation high-precision bearing - Google Patents

Abstract

The utility model discloses a kind of aviation high-precision bearing, including outer shroud and inner ring, the inwall of the outer shroud and the outer wall of inner ring are respectively equipped with bottom angular rim and top bevel angle side, it is respectively equipped with first at the left and right sides and center of the steady rest sidewinder post, second sidewinder post and center ball, the inner side of the interior alloy hoop is provided with grafting alloy hoop.The aviation high-precision bearing, post, center ball and the second cooperation for sidewindering post are sidewindered by first, first, which sidewinders post and second, sidewinders post and center ball and is uniformly distributed active force during rotation, and stationarity when keeping the inner ring to rotate, and then avoid inner ring because it is unstable rotation and caused by unstable wear precision reduce, interior alloy hoop is installed on the inner side of inner ring, improve the wearability of inner ring, avoid that abrasion occurs and causes precision to reduce after rotating for a long time with the transfer roller of inner side, ensure that its using effect.

Description

A kind of aviation high-precision bearing

Technical field

Aviation accessory technical field is the utility model is related to, specially a kind of aviation high-precision bearing.

Background technology

Regenerated with the continuous renewal of China's change system, the precision, stability, precise guidance of air equipment are proposed Higher and higher requirement, high-precision bearing is the critical component for air equipment, in existing high-precision bearing, such as Application No. 201220229523.X utility model patent, including bearing body, bearing body are the ring with hollow structure Body, rolling element, it is embedded in the hollow structure of annular solid, the hollow structure of annular solid has an inner ring and an outer ring, and this is special Although profit meets equipment impact shock requirement, in actual use, its abrasion resistance properties is poor, causes the precision of bearing to drop It is low, it have impact on its using effect.

Utility model content

The purpose of this utility model is to provide a kind of aviation high-precision bearing, to solve what is proposed in above-mentioned background technology Problem.

To achieve the above object, the utility model provides following technical scheme：A kind of aviation high-precision bearing, including outer shroud And inner ring, the inwall of the outer shroud and the outer wall of inner ring are respectively equipped with bottom angular rim and top bevel angle side, set on the outside of the inner ring There is alloy pad, the outside of the alloy pad is provided with steady rest, is respectively equipped with the left and right sides and center of the steady rest First sidewinders post, second sidewinders post and center ball, is provided with end cap on the outside of the inner ring, and the inner side of the inner ring is provided with interior Alloy hoop, the inner side of the interior alloy hoop are provided with grafting alloy hoop, and the outside of the grafting alloy hoop is provided with side board, described interior The inwall of alloy hoop is provided with inner edge groove, and the side board matches with inner edge groove.

Preferably, the outer wall of the outer shroud is provided with exterior ring cap, and the exterior ring cap includes carbon steel sheet, the inner side of the carbon steel sheet Provided with wear-resistant rubber sheet, the inner side of the wear-resistant rubber sheet is provided with high-carbon low-alloy plate, the inner side heat of the high-carbon low-alloy plate Processing has quench-hardened case.

Preferably, the inner side of the inner edge groove is provided with interior alloy filling plate.

Preferably, the inwall of the interior alloy hoop and grafting alloy hoop is equipped with heavy alloy ring.

Preferably, inner pressure ring is installed on the outside of the grafting alloy hoop.

Compared with prior art, the beneficial effects of the utility model are：The aviation high-precision bearing, is sidewindered by first Post, center ball and second sidewinder the cooperation of post, and first sidewinders post and second sidewinders effect when post and center ball make rotation Power is uniformly distributed, and stationarity when keeping the inner ring to rotate, and then avoids inner ring because of unstable rotation and caused by unstable wear Precision reduce, interior alloy hoop is installed on the inner side of inner ring, improves the wearability of inner ring, avoid and the transfer roller of inner side for a long time Abrasion occurs after rotation and causes precision to reduce, by the side board clamping on the outside of grafting alloy hoop during the installation relatively low transfer roller of diameter In inner edge groove on the inside of interior alloy hoop, the use of different-diameter transfer roller is realized, ensure that its using effect.

Brief description of the drawings

Fig. 1 is the utility model structure diagram；

Fig. 2 is grafting alloy hoop structural representation of the present utility model；

Fig. 3 is roll structure schematic diagram in center of the present utility model；

Fig. 4 is exterior ring cap structural representation of the present utility model.

In figure：1st, outer shroud, 2, first sidewinders post, and 3, center ball, 4, exterior ring cap, 401, carbon steel sheet, 402, abrasive rubber Plate, 403, high-carbon low-alloy plate, 404, quench-hardened case, 5, end cap, 6, inner pressure ring, 7, inner ring, 8, interior alloy hoop, 9, grafting alloy Ring, 10, heavy alloy ring, 11, steady rest, 12, alloy pad, 13, side board, 14, inner edge groove, 15, interior alloy filling plate, 16th, second post is sidewindered, 17, bottom angular rim, 18, top bevel angle side.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Fig. 1-4 are referred to, the utility model provides a kind of technical scheme：A kind of aviation high-precision bearing, including the He of outer shroud 1 Inner ring 7, the outer wall of outer shroud 1 are provided with exterior ring cap 4, and exterior ring cap 4 includes carbon steel sheet 401, and the inner side of carbon steel sheet 401 is provided with abrasive rubber Plate 402, the inner side of wear-resistant rubber sheet 402 are provided with high-carbon low-alloy plate 403, and the inner side heat treatment of high-carbon low-alloy plate 403, which has, quenches Hard formation 404, the hardness of exterior ring cap 4 is improved by carbon steel sheet 401, high-carbon low-alloy plate 403 and the processing of hardening on its surface, is entered And avoid outer shroud 1 and wear, the inwall of outer shroud 1 and the outer wall of inner ring 7 are respectively equipped with bottom angular rim 17 and top bevel angle side 18, and bottom is oblique The arm of angle 17 and top bevel angle side 18 match, and the outside of inner ring 7 is provided with alloy pad 12, and alloy pad 12 avoids first and sidewinders post 2 and second sidewinder abrasion caused by post 16 rolls for a long time with center ball 3, and the outside of alloy pad 12 is provided with steady rest 11, First is respectively equipped with the left and right sides and center of steady rest 11 sidewinders post 2 and second and sidewinder post 16 and center ball 3, pass through Side roller 2 and second sidewinders post 16 and center ball 3 and is uniformly distributed active force during rotation, and when keeping the inner ring to rotate Stationarity, and then avoid inner ring 7 because of unstable rotation and precision reduces caused by unstable wear, outer shroud 1 is socketed in inner ring 7 Outside, and first sidewinders post 2 and second and sidewinders post 16 and center ball 3 and be separately mounted at left and right sides of the top of top bevel angle side 18 At center, the outside of inner ring 7 is provided with end cap 5, and the inner side of inner ring 7 is provided with interior alloy hoop 8, and interior alloy hoop 8 is installed on inner ring 7 Inner side, improve the wearability of inner ring 7, avoid abrasion occurs after rotating for a long time with the transfer roller of inner side and cause precision to drop Low, the inner side of interior alloy hoop 8 is provided with grafting alloy hoop 9, and the outside of grafting alloy hoop 9 is provided with inner pressure ring 6, the interior He of alloy hoop 8 The inwall of grafting alloy hoop 9 is equipped with heavy alloy ring 10, and the outside of grafting alloy hoop 9 is provided with side board 13, interior alloy hoop 8 Inwall be provided with inner edge groove 14, side board 13 matches with inner edge groove 14, and the inner side of inner edge groove 14 is provided with interior alloy filling plate 15, The side board 13 in the outside of grafting alloy hoop 9 is connected to the inner edge groove of the interior inner side of alloy hoop 8 in the relatively low transfer roller of installation diameter In 14, the use of different-diameter transfer roller is realized.

Alloy pad 12, which avoids first and sidewinders post 2 and second, to sidewinder caused by post 16 and center ball 3 roll for a long time Abrasion, first, which sidewinders post 2 and second, sidewinders post 16 and center ball 3 and is uniformly distributed active force during rotation, and in holding Ring rotate when stationarity, and then avoid inner ring 7 because it is unstable rotation and caused by unstable wear precision reduce, interior alloy hoop 8 Be installed on the inner side of inner ring 7, improve the wearability of inner ring 7, avoid with the transfer roller of inner side for a long time rotate after occur abrasion and Cause precision to reduce, the side board 13 in the outside of grafting alloy hoop 9 is connected in interior alloy hoop 8 during installation diameter relatively low transfer roller In the inner edge groove 14 of side, the use of different-diameter transfer roller is realized.

In description of the present utility model, it is to be understood that term " coaxial ", " bottom ", " one end ", " top ", " middle part ", " other end ", " on ", " side ", " top ", " interior ", " front portion ", " center ", the orientation or position of the instruction such as " both ends " It is based on orientation shown in the drawings or position relationship to put relation, is for only for ease of description the utility model and simplifies description, and It is not instruction or implies signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore It is not intended that to limitation of the present utility model.

In addition, term " first ", " second ", " the 3rd ", " the 4th " are only used for describing purpose, and it is not intended that instruction or Relative importance or the implicit quantity for indicating indicated technical characteristic are implied, thus, defines " first ", " second ", " the Three ", at least one this feature can be expressed or be implicitly included to the feature of " the 4th ".

In the utility model, unless otherwise clearly defined and limited, term " installation ", " setting ", " connection ", " Gu Calmly ", the term such as " spinning " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally； Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be with It is connection or the interaction relationship of two elements of two element internals, is limited unless otherwise clear and definite, for this area For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of aviation high-precision bearing, including outer shroud（1）And inner ring（7）, it is characterised in that：The outer shroud（1）Inwall and Inner ring（7）Outer wall be respectively equipped with bottom angular rim（17）With top bevel angle side（18）, the inner ring（7）Outside be provided with alloy pad （12）, the alloy pad（12）Outside be provided with steady rest（11）, the steady rest（11）The left and right sides and center punishment First post She You not be sidewindered（2）, second sidewinder post（16）With center ball（3）, the inner ring（7）Outside end cap is installed （5）, the inner ring（7）Inner side be provided with interior alloy hoop（8）, the interior alloy hoop（8）Inner side be provided with grafting alloy hoop（9）, The grafting alloy hoop（9）Outside be provided with side board（13）, the interior alloy hoop（8）Inwall be provided with inner edge groove（14）, institute State side board（13）With inner edge groove（14）Match.

A kind of 2. aviation high-precision bearing according to claim 1, it is characterised in that：The outer shroud（1）Outer wall be provided with Exterior ring cap（4）, the exterior ring cap（4）Including carbon steel sheet（401）, the carbon steel sheet（401）Inner side be provided with wear-resistant rubber sheet （402）, the wear-resistant rubber sheet（402）Inner side be provided with high-carbon low-alloy plate（403）, the high-carbon low-alloy plate（403）'s Inner side heat treatment has quench-hardened case（404）.

A kind of 3. aviation high-precision bearing according to claim 1, it is characterised in that：The inner edge groove（14）Inner side set There is interior alloy filling plate（15）.

A kind of 4. aviation high-precision bearing according to claim 1, it is characterised in that：The interior alloy hoop（8）And grafting Alloy hoop（9）Inwall be equipped with heavy alloy ring（10）.

A kind of 5. aviation high-precision bearing according to claim 1, it is characterised in that：The grafting alloy hoop（9）It is outer Side is provided with inner pressure ring（6）.