CN215370609U

CN215370609U - Double-row cylindrical roller bearing capable of bearing composite load

Info

Publication number: CN215370609U
Application number: CN202121313473.9U
Authority: CN
Inventors: 王继伟; 徐风霞; 马振峰
Original assignee: Shandong Gongyi Bearing Manufacturing Co ltd
Current assignee: Shandong Gongyi Bearing Manufacturing Co ltd
Priority date: 2021-06-12
Filing date: 2021-06-12
Publication date: 2021-12-31
Anticipated expiration: 2031-06-12

Abstract

The utility model discloses a double-row cylindrical roller bearing capable of bearing composite load, which comprises a first outer ring, wherein a first inner ring is movably arranged in the first outer ring, a second outer ring is movably arranged below the first outer ring, a second inner ring is movably arranged in the second outer ring, a first connecting short rod is fixedly arranged on the lower surface of the first outer ring, a first hole is formed in the upper surface of the second outer ring, a limiting rod is movably embedded in the inner side surface of the first inner ring, a first retainer is movably arranged between the first outer ring and the first inner ring, and a second retainer is movably arranged between the second outer ring and the second inner ring. The double-row cylindrical roller bearing capable of bearing the composite load can rapidly split the double-row bearing into two single-row bearings, can also rapidly combine the split single-row bearings into one double-row bearing, simultaneously keeps the stability of the double-row bearing, and improves the capacity of the bearing for bearing the composite load.

Description

Double-row cylindrical roller bearing capable of bearing composite load

Technical Field

The utility model relates to the field of bearings, in particular to a double-row cylindrical roller bearing capable of bearing composite load.

Background

The double-row cylindrical roller bearing is a centripetal rolling bearing with cylindrical rollers as rolling bodies, the rollers are arranged in parallel in the internal structure of the cylindrical roller bearing, and the rollers are provided with spacing retainers or spacing blocks, so that the inclination of the rollers or the mutual friction between the rollers can be prevented, and the increase of the rotating torque is effectively prevented; the existing double-row cylindrical roller bearing has certain defects when in use, the double-row bearing is an integrated bearing and cannot be rapidly split into two single-row bearings, and the bearing has weak capability of bearing composite load.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a double-row cylindrical roller bearing capable of bearing composite load, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a can bear compound load's double-row cylindrical roller bearing, includes the outer lane, the inside movable mounting of an outer lane has the inner circle No. one, No. one outer lane below movable mounting has the outer lane No. two, the inside movable mounting of No. two outer lanes has the inner circle No. two, fixed surface installs the connection quarter butt No. one under an outer lane, No. two the outer lane upper surface has seted up a hole, the gag lever post is installed in the inboard surperficial movable embedding of inner circle.

Preferably, a first retainer is movably arranged between the first outer ring and the first inner ring, and a second retainer is movably arranged between the second outer ring and the second inner ring.

Preferably, the balls are movably embedded in the first retainer and the second retainer, the upper end surfaces and the lower end surfaces of the balls are fixedly provided with rotating shafts, and the balls are respectively and movably connected with the first retainer and the second retainer through the rotating shafts.

Preferably, the lower surface of the first inner ring is fixedly provided with a connecting long rod, the upper surface of the second inner ring is provided with a connecting hole, the lower surface of the first retainer is fixedly provided with a second connecting short rod, and the upper surface of the second retainer is provided with a second hole.

Preferably, the first connecting short rod is movably connected with the second outer ring through the first hole, the second connecting short rod is movably connected with the second retainer through the second hole, and the long connecting rod is movably connected with the second inner ring through the connecting hole.

Preferably, the inner side surfaces of the first inner ring and the second inner ring are respectively provided with a limiting groove, and the limiting rod is movably connected with the first inner ring and the second inner ring through the limiting grooves.

Compared with the prior art, the utility model has the following beneficial effects:

in the utility model, the first outer ring is arranged on the upper surface of the second outer ring, the first connecting short rod is inserted into the first hole, the second connecting short rod is inserted into the second hole, the connecting long rod is inserted into the connecting hole, so that two single-row bearings are combined, then the limiting rod is arranged in the limiting groove, so that the two single-row bearings are fixed, when in use, the balls in the first retainer and the second retainer are staggered, so that the composite load born by the double-row bearings is uniformly distributed on the surface of each ball, the rotating shafts at two ends of each ball disperse the force born by the balls, and simultaneously reduce the friction force between the balls and the first retainer and the second retainer, thereby improving the capacity of the double-row bearings for bearing the composite load, otherwise, when the double-row bearings are not needed, the limiting rod is moved out of the limiting groove, and is movably connected between the first connecting short rod and the first hole, between the second connecting short rod and the second hole and the connecting long rod and the connecting hole, the two single-row bearings are separated, so that the bearings can meet different use requirements, and the functional diversity of the bearings is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of a double-row cylindrical roller bearing capable of bearing composite loads according to the present invention;

FIG. 2 is a disassembled view of the overall structure of a double-row cylindrical roller bearing capable of bearing composite loads according to the present invention;

FIG. 3 is a disassembled view of the first retainer and the second retainer of the double-row cylindrical roller bearing capable of bearing the composite load according to the present invention;

FIG. 4 is a sectional view of the first inner ring and the second inner ring of the double-row cylindrical roller bearing capable of bearing the composite load according to the present invention.

In the figure: 1. an outer ring I; 101. a first connecting short rod; 2. a second outer ring; 201. a first hole; 3. a first inner ring; 301. connecting a long rod; 4. a second inner ring; 401. connecting holes; 402. a limiting groove; 5. a limiting rod; 6. a first retainer; 601. the second connecting short rod; 602. a ball bearing; 603. a rotating shaft; 7. a second retainer; 701. and a second hole.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-4, a double-row cylindrical roller bearing capable of bearing a composite load comprises a first outer ring 1, a first inner ring 3 is movably mounted inside the first outer ring 1, a second outer ring 2 is movably mounted below the first outer ring 1, a second inner ring 4 is movably mounted inside the second outer ring 2, a first connecting short rod 101 is fixedly mounted on the lower surface of the first outer ring 1, a first hole 201 is formed in the upper surface of the second outer ring 2, and a limiting rod 5 is movably embedded in the inner side surface of the first inner ring 3;

a first retainer 6 is movably arranged between the first outer ring 1 and the first inner ring 3, and a second retainer 7 is movably arranged between the second outer ring 2 and the second inner ring 4; balls 602 are movably embedded in the first retainer 6 and the second retainer 7, rotating shafts 603 are fixedly mounted on the upper end surface and the lower end surface of each ball 602, each ball 602 is movably connected with the first retainer 6 and the second retainer 7 through the rotating shafts 603, the balls 602 in the first retainer 6 and the second retainer 7 are staggered, so that the composite load borne by the double-row bearing is uniformly distributed on the surface of each ball 602, the rotating shafts 603 at the two ends of each ball 602 disperse the force borne by the balls 602, and meanwhile, the friction force between the balls 602 and the first retainer 6 and the second retainer 7 is reduced, so that the capacity of the double-row bearing for bearing the composite load is improved; the lower surface of the first inner ring 3 is fixedly provided with a long connecting rod 301, the upper surface of the second inner ring 4 is provided with a connecting hole 401, the lower surface of the first retainer 6 is fixedly provided with a second short connecting rod 601, and the upper surface of the second retainer 7 is provided with a second hole 701; the first connecting short rod 101 is movably connected with the second outer ring 2 through a first hole 201, the second connecting short rod 601 is movably connected with the second retainer 7 through a second hole 701, and the long connecting rod 301 is movably connected with the second inner ring 4 through a connecting hole 401; no. 3 inner circles and No. two 4 inner side surfaces of inner circle have all seted up spacing groove 402, and gag lever post 5 passes through spacing groove 402 respectively with No. 3 inner circles and No. two 4 swing joint of inner circle, with two single-row bearing separation to make the bearing can satisfy different user demands, increase the functional diversity of bearing.

It should be noted that, the utility model is a double-row cylindrical roller bearing capable of bearing composite load, when installing, install the outer lane 1 of number one on the upper surface of the outer lane 2 of number two, make the connection short rod 101 of number one insert inside the hole 201 of number one, make the connection short rod 601 of number two insert inside the hole 701 of number two, make the connection long rod 301 insert inside the attachment hole 401 at the same time, thus combine two single-row bearings, then install the stop lever 5 inside the spacing groove 402, make two single-row bearings fixed, when using, the ball 602 staggered arrangement inside the first retainer 6 and the second retainer 7, make the composite load that the double-row bearing bears distribute on the surface of every ball 602 evenly, the spindle 603 at both ends of the ball 602 disperses the force that the ball 602 receives, reduce the friction force between ball 602 and first retainer 6 and second retainer 7 at the same time, thus improve the ability that the double-row bearing bears the composite load, on the contrary, when the double-row bearing is not needed, the limiting rod 5 is moved out from the limiting groove 402, and the two single-row bearings are separated through the movable connection between the first connecting short rod 101 and the first hole 201, the second connecting short rod 601 and the second hole 701, and the long connecting rod 301 and the connecting hole 401, so that the bearing can meet different use requirements, and the functional diversity of the bearing is increased.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a can bear compound load's double-row cylindrical roller bearing which characterized in that: including outer lane (1), the inside movable mounting of outer lane (1) has inner circle (3) No. one, No. one outer lane (1) below movable mounting has outer lane (2) No. two, the inside movable mounting of outer lane (2) has inner circle (4) No. two, outer lane (1) lower fixed surface installs connection quarter butt (101) No. one, No. two hole (201) have been seted up to outer lane (2) upper surface, gag lever post (5) are installed in the inboard surface activity embedding of inner circle (3).

2. The double-row cylindrical roller bearing capable of bearing a composite load as claimed in claim 1, wherein: a first retainer (6) is movably mounted between the first outer ring (1) and the first inner ring (3), and a second retainer (7) is movably mounted between the second outer ring (2) and the second inner ring (4).

3. The double-row cylindrical roller bearing capable of bearing a composite load according to claim 2, wherein: a ball (602) is installed in equal movable embedding of No. one holder (6) and No. two holders (7), equal fixed mounting has pivot (603) on ball (602) upper end surface and the lower extreme surface, ball (602) pass through pivot (603) respectively with No. one holder (6) and No. two holders (7) swing joint.

4. The double-row cylindrical roller bearing capable of bearing a composite load according to claim 2, wherein: no. one inner circle (3) lower fixed surface installs connecting rod (301), connecting hole (401) have been seted up to No. two inner circles (4) upper surfaces, No. one holder (6) lower fixed surface installs No. two and connects quarter butt (601), No. two holes (701) have been seted up to No. two holder (7) upper surfaces.

5. The double-row cylindrical roller bearing capable of bearing a composite load as claimed in claim 4, wherein: a connect quarter butt (101) pass through hole (201) with No. two outer lane (2) swing joint, No. two connect quarter butt (601) pass through No. two hole (701) with No. two holder (7) swing joint, connect stock (301) pass through connecting hole (401) with No. two inner circle (4) swing joint.

6. The double-row cylindrical roller bearing capable of bearing a composite load as claimed in claim 1, wherein: limiting grooves (402) are formed in the inner side surfaces of the first inner ring (3) and the second inner ring (4), and the limiting rod (5) is movably connected with the first inner ring (3) and the second inner ring (4) through the limiting grooves (402).