CN205639292U

CN205639292U - Spherical -roller bearing

Info

Publication number: CN205639292U
Application number: CN201620501691.8U
Authority: CN
Inventors: 叶杰杰
Original assignee: Raffiner Technology Co Ltd
Current assignee: Raffiner Technology Co Ltd
Priority date: 2016-05-27
Filing date: 2016-05-27
Publication date: 2016-10-12
Anticipated expiration: 2026-05-27

Abstract

The utility model discloses a spherical -roller bearing, including rolling member and annular guide ring, the inside and outside anchor ring of guide ring all is equipped with a plurality of oil storage tank, can deposit some greases in the oil storage tank, and at the rolling in -process of rolling member, it can be taken out of the grease in the oil storage tank to can play fine lubrication action between rolling member and guide ring, the reduction rolling member of effect and the wearing and tearing of guide ring improve the life of bearing, in addition, the existence of oil storage tank also can increase the storage quantity of lubricating grease, can not need additionally to add lubricating grease under long -time.

Description

Spheric roller bearing

Technical field

This utility model relates to a kind of technical field of bearings, more specifically, it relates to a kind of spheric roller bearing.

Background technology

Bearing is a kind of important spare part in plant equipment in the present age.Its major function is to support machinery rotary body, reduces the coefficient of friction in its motor process, and ensures its rotating accuracy.

The kind of bearing has a lot, and spheric roller bearing is the more commonly used one of which bearing, and it is the rolling bearing making rolling element with short cylindrical, circular cone or drum-shaped roller.The Chinese patent of Application No. 201310412805.2, it discloses a kind of full complement self-aligning roller bearing, it includes inner ring, outer ring, roller, retainer, guide ring, inner ring has double raceway, guide ring is arranged between two raceways, two row rollers separate and guide each row roller, therefore between guide ring and roller, can there is certain abrasion, thus cause service life of this bearing the best.

Utility model content

The purpose of this utility model is to provide the spheric roller bearing of length in a kind of service life.

Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of spheric roller bearing, and including rolling member and ring-type guide ring, inside and outside described guide ring, anchor ring is equipped with several oil storage tanks.

By above-mentioned setting, some oils and fatss can be deposited in oil storage tank, during rolling member rolls, oils and fats in oil storage tank can be taken out of by it, it is thus possible to play good lubrication between rolling member and guide ring, the abrasion reducing rolling member and guide ring of effect, improves the service life of bearing；Additionally, the existence of oil storage tank, it is also possible to increase the stored number of grease, it is possible under long-time, need not additionally add grease.

Preferably, inside and outside described guide ring, the oil storage tank one_to_one corresponding on anchor ring is arranged, and described guide ring is provided with for connecting inside and outside guide ring the through hole of two oil storage tanks of setting facing each other on anchor ring.

By above-mentioned setting, when the grease of guide ring wherein side is quickly consumed when, the grease of opposite side can add to opposite side by through hole such that it is able to makes the grease in relative two oil storage tank realize being complementary to one another, is prevented effectively from guide ring wherein side excessive wear.

Preferably, also including inner ring, described guide ring is fixing with inner ring to be connected, and described oil storage tank is more than the oil storage tank degree of depth back to inner ring one end relative to the degree of depth of inner ring one end.

By above-mentioned setting, lubricating oil major part is stored within relativelying close to the position of inner ring, and therefore this partial lubrication fat flows to the position outside bearing relatively far away from, the most just can effectively reduce the situation appearance that grease flows out.

Preferably, described oil storage tank runs through guide ring one end relative to inner ring, and described through hole is positioned at the junction of guide ring and inner ring.

By above-mentioned setting, major part position stored by grease just, the position at through hole place, therefore when the grease of guide ring wherein side is few when, opposite side can quickly be supplemented by the grease of opposite side, prevents guide ring wherein side from the phenomenon of abrasion seldom occur due to grease quantity.

Preferably, the outer ring surface of described inner ring is provided with the interior raceway for placing rolling member, and described interior raceway is the first arc surface with one end of rolling member laminating.

By above-mentioned setting, when bearing is during work, interior raceway and the contact of the first arc surface, therefore, it is possible to effectively increase contact area between rolling member and inner ring, according to frictional force computing formula, frictional force between rolling member and inner ring also increases such that it is able to effectively avoid rolling member and inner ring skidding occur.

Preferably, also including that outer ring, described outer ring are provided with the outer raceway for placing rolling member, one end of described outer raceway is and the second arc surface of rolling member laminating.

By above-mentioned setting, when bearing is during work, outer raceway and the contact of the second arc surface, therefore, it is possible to effectively increase the contact area between rolling member and outer ring, accordingly, frictional force between rolling member to outer ring is the most corresponding to be increased such that it is able to effectively avoid rolling member and outer ring skidding occur.

Preferably, the outer ring surface of described outer ring is provided with the breach being pressed into for finger.

By above-mentioned setting, owing to bearing is during using, it often adhering to a lot of lubricating oil, thus causes bearing surface the most sliding, taking bearing when, often there is landing phenomenon in bearing, and bearing countershaft can manufacture into damage after dropping to the ground；Therefore, by being pressed in breach by finger, thus increase the contact area between finger and bearing, effectively prevent bearing from landing phenomenon occurring.

Preferably, also including the retainer for fixing rolling member, described guide ring can offset with retainer back to one end of internal ring.

By above-mentioned setting, when retainer be squeezed deformation occurs when, now guide ring can offset with retainer one end, and the other end of retainer and inner ring offset, therefore, it is possible to realize retainer is the most fixing, prevents retainer from deformation occur.

Preferably, described retainer is provided with oil filler point.

By above-mentioned setting, when bearing needs lubrication when, it is also possible to refueled at rolling member by oil filler point, thus realize the lubrication to rolling member, preventing rolling member from bigger abrasion occur, whole refueling process is very convenient.

Preferably, one end of described retainer offsets with the outer surface of inner ring, and described oil filler point is positioned at the place that offsets of retainer and inner ring.

By above-mentioned setting, due to the existence of the first arc surface, it is possible to in oil filler point add oil play good guide effect effect, enable lubricating oil to flow rapidly at rolling member, prevent lubricating oil from flowing to some corners and cause lubricating oil waste.

In sum, this utility model has the advantages that

1. can effectively avoid guide ring and rolling member that wear phenomenon occurs；

2. can effectively avoid, between rolling member and inner ring, outer ring, skidding occurs；

3. the injection of lubricating oil is very convenient.

Accompanying drawing explanation

Fig. 1 is the structure chart of the present embodiment；

Fig. 2 is part A enlarged drawing in Fig. 1；

Fig. 3 is part B enlarged drawing in Fig. 1；

Fig. 4 is the assembling figure of inner ring and outer ring.

In figure: 1, outer ring；11, breach；12, outer raceway；13, the second arc surface；2, inner ring；21, interior raceway；22, the first arc surface；3, rolling member；4, retainer；41, oil filler point；5, gap；6, guide ring；61, oil storage tank；62, through hole.

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model is described in further detail.

A kind of spheric roller bearing, with reference to Fig. 1 and Fig. 4, including inner ring 2, outer ring 1, rolling member 3 and retainer 4, rolling member 3 can be roller and roller is arranged between inner ring 2 and outer ring 1.Wherein, it is can be with the first arc surface 22 of roller laminating with one end of roller laminating that inner ring 2 has two interior raceways 21, interior raceway 21, and ring washer in being provided with between two interior raceways 21, in this, ring washer is fixedly installed on inner ring 2 and is arranged concentrically with inner ring 2.

See figures.1.and.2, the inside and outside anchor ring of guide ring 6 is provided with several with roller oil storage tank 61 one to one, and the oil storage tank 61 on anchor ring inside and outside guide ring 6, exist between the two just to relation.The degree of depth of one end and one end, oil storage tank 61 relative outer ring 1 that these oil storage tanks 61 run through the relative inner ring 2 of guide ring 6 is less than the degree of depth of relative inner ring 2 one end of oil storage tank 61, being additionally provided with through hole 62 in the junction of guide ring 6 with inner ring 2, this through hole 62 connects two oil storage tanks 61 that anchor ring inside and outside guide ring 6 is facing each other.

With reference to Fig. 1 and Fig. 3, and it is corresponding, retainer 4 has two and is respectively serve to separate the roller in two raceways, two retainers 4 mutually back to one end abut with inner ring 2 and to fix, one end that two retainers 4 are relative is formed with gap 5 at guide ring 6, and this gap 5 is positioned at the guide ring 6 side back to inner ring 2, and guide ring 6 some is just to two retainers 4 respectively, therefore, it is possible to ensure that, deformation occurs in retainer 4 when, retainer 4 can be played good supporting role by guide ring 6.Being provided with oil filler point 41 at two retainers 4 abutting with inner ring 2, the length of this oil filler point 41 is parallel with the radial direction of inner ring 2.

With reference to Fig. 4, and being provided with outer raceway 12 on outer ring 1, one end of outer raceway 12 is and the second arc surface 13 of roller laminating.The outer ring surface of outer ring 1 is provided with the breach 11 being pressed into for finger.

With reference to Fig. 1-Fig. 3, assembling bearing when, grease can be placed in oil storage tank 61, owing to grease is solid-state, therefore in grease can be stored in oil storage tank 61, and grease all can be stored in the oil storage tank 61 side near inner ring 2 greatly such that it is able to place grease and flow out；Meanwhile, the existence of through hole 62, it is possible to make the grease of guide ring 6 both sides realize complementation.During roller rotates, the grease in oil storage tank 61 can be taken out of by it, thus realizes the lubrication to roller Yu guide ring 6, reduce the wear extent occurred between roller and guide ring 6, improve the service life of bearing, it is also possible to by oil filler point 41 toward oiling at roller.With reference to Fig. 4, first arc surface 22 and the existence of the second arc surface 13, can be good at increasing the frictional force between Internal and external cycle 1 and roller, prevent, between roller and Internal and external cycle 1, skidding occurs, thus ensure all to exist between roller and Internal and external cycle 1 force of rolling friction, reduce the frictional force between roller and Internal and external cycle 1.

This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.

Claims

1. a spheric roller bearing, including rolling member (3) and ring-type guide ring (6), is characterized in that: inside and outside described guide ring (6), anchor ring is equipped with several oil storage tanks (61).

Spheric roller bearing the most according to claim 1, it is characterized in that: inside and outside described guide ring (6), oil storage tank (61) one_to_one corresponding on anchor ring is arranged, and described guide ring (6) is provided with the through hole (62) of two oil storage tanks (61) for connecting setting facing each other on anchor ring inside and outside guide ring (6).

Spheric roller bearing the most according to claim 2, it is characterized in that: also include inner ring (2), described guide ring (6) is fixing with inner ring (2) to be connected, and the degree of depth of described oil storage tank (61) inner ring (2) one end relatively is more than the oil storage tank (61) degree of depth back to inner ring (2) one end.

Spheric roller bearing the most according to claim 3, it is characterized in that: described oil storage tank (61) runs through one end of guide ring (6) inner ring (2) relatively, and described through hole (62) is positioned at the junction of guide ring (6) and inner ring (2).

Spheric roller bearing the most according to claim 3, it is characterized in that: the outer ring surface of described inner ring (2) is provided with the interior raceway (21) for placing rolling member (3), and one end that described interior raceway (21) and rolling member (3) are fitted is the first arc surface (22).

Spheric roller bearing the most according to claim 1, it is characterized in that: also include outer ring (1), described outer ring (1) is provided with the outer raceway (12) for placing rolling member (3), and one end of described outer raceway (12) is the second arc surface (13) fitted with rolling member (3).

Spheric roller bearing the most according to claim 6, is characterized in that: the outer ring surface of described outer ring (1) is provided with the breach (11) being pressed into for finger.

Spheric roller bearing the most according to claim 2, it is characterized in that: also include the retainer (4) for fixing rolling member (3), described guide ring (6) can offset with retainer (4) back to one end of inner ring (2).

Spheric roller bearing the most according to claim 8, is characterized in that: described retainer (4) is provided with oil filler point (41).

Spheric roller bearing the most according to claim 9, it is characterized in that: one end of described retainer (4) offsets with the outer surface of inner ring (2), described oil filler point (41) is positioned at the place that offsets of retainer (4) and inner ring (2).