CN210013948U

CN210013948U - Double-row sliding bearing

Info

Publication number: CN210013948U
Application number: CN201920378417.XU
Authority: CN
Inventors: 徐振钢
Original assignee: Zhuji Jiyang Sliding Bearing Co Ltd
Current assignee: Zhuji Jiyang Sliding Bearing Co Ltd
Priority date: 2019-03-25
Filing date: 2019-03-25
Publication date: 2020-02-04
Anticipated expiration: 2029-03-25

Abstract

The utility model discloses a double-row sliding bearing, the structure of which comprises a bearing seat, the top of the bearing seat is provided with a bearing cover, the bearing cover is detachably connected with the bearing seat, the two ends of the upper part of the bearing cover are provided with studs, the studs are in threaded connection with the bearing cover, the bearing cover is in sliding connection with the bearing seat, the middle of the upper part of the bearing cover is provided with an oil hole, the oil hole penetrates through the bearing cover and extends to the inside, the inside of the bearing bush is in sliding connection with a double-row bearing, the inside of the bearing bush is matched and connected with a shaft neck, the shaft neck is fixedly connected with the double-row bearing, the rubber pad is provided with the sealing and buffering functions, the outer oil groove and the inner oil groove can be convenient for leading lubricating oil inside the bearing bush, lubricating oil can be supplemented through the oil, the service life is prolonged, the supporting ring is arranged to enhance the supporting force, and the arranged balls can play a better role in lubrication and support.

Description

Double-row sliding bearing

Technical Field

The utility model relates to a slide bearing technical field specifically is a double-row slide bearing.

Background

The sliding bearing is a bearing working under sliding friction, the magnitude of the sliding friction force mainly depends on the manufacturing precision, the magnitude of the sliding friction force mainly depends on the material of the sliding surface of the bearing, the general working surface of the sliding bearing has a self-lubricating function, the sliding surface is separated by lubricating oil under the condition of liquid lubrication without direct contact, the friction loss and the surface abrasion can be greatly reduced, and an oil film also has certain vibration absorption capacity.

Conventional sliding bearings are generally classified into single-row bearings and double-row bearings, and the double-row bearings can bear axial loads acting in two directions in addition to radial loads, and the double-row bearings need to be improved in terms of reducing the friction coefficient during the movement thereof, and therefore, a double-row sliding bearing is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a biserial slide bearing has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a double-row sliding bearing, its structure includes the bearing frame, the top of bearing frame is equipped with the bearing cap, the bearing cap is connected for dismantling with the bearing frame, the upper portion both ends of bearing cap are equipped with the double-screw bolt, the double-screw bolt is threaded connection with the bearing cap, sliding connection has the axle bush in the middle of bearing cap and the bearing frame, be equipped with the oilhole in the middle of the upper portion of bearing cap, the oilhole runs through the bearing cap and extends to inside it, the inside sliding connection of axle bush has double-row bearing, the inside of axle bush cooperatees and is connected with the axle journal, axle.

As an optimal implementation manner of the present invention, the rubber pad is arranged between the bearing cap and the bearing seat, and the rubber pad is fixedly connected with the bearing seat.

As a preferred embodiment of the utility model, the surface of double row bearing is equipped with the outer bearing, evenly distributed has the outer oil groove of a plurality of on the outer bearing, the inside of outer bearing is equipped with the support ring, be equipped with outer lubricating layer between outer bearing and the support ring, outer oil groove and outer lubricating layer through connection, the inside evenly distributed of outer lubricating layer has the outer ball of a plurality of, outer ball is connected for the contact with outer bearing and support ring.

As an embodiment of the present invention, the inside evenly distributed of support ring has oil groove in a plurality of, interior oil groove runs through the support ring, be equipped with the buffer layer between every interior oil groove, buffer layer fixed connection is in the inside of support ring.

As a preferred embodiment of the utility model, the inside of support ring is equipped with the inner bearing, the centre of support ring and inner bearing is equipped with interior lubricant film, the inside evenly distributed of interior lubricant film has the ball in a plurality of, interior ball and support ring and inner bearing sliding connection.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. this double-row sliding bearing, the rubber pad that is equipped with enables the better sealing of bearing cap and bearing frame, can be convenient for introduce outer lubricating layer and interior lubricating layer with the inside lubricating oil of axle bush through the outer oil groove that sets up and interior oil groove in to be favorable to lubricating inside, can give inside supplementary lubricating oil through the oilhole when inside lubricating oil lacks, reduced the friction loss, improved life.

2. The supporting ring is arranged to play a role in enhancing supporting force, the balls can play a better role in lubrication and supporting, and the outer bearing and the inner bearing can be prevented from being in contact with the supporting ring, so that friction is reduced, and the lubricating force is increased.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic front view of a double-row sliding bearing according to the present invention;

FIG. 2 is a schematic cross-sectional view of a double-row sliding bearing according to the present invention;

fig. 3 is a schematic side view of the cross-sectional structure of the double-row sliding bearing of the present invention.

In the figure: 1-bearing seat, 2-bearing cover, 3-stud, 4-bearing bush, 5-oil hole, 6-journal, 7-double bearing, 8-rubber pad, 9-outer bearing, 10-outer oil groove, 11-outer lubricating layer, 12-outer ball, 13-supporting ring, 14-inner oil groove, 15-buffer layer, 16-inner lubricating layer, 17-inner ball and 18-inner bearing.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a double-row sliding bearing, its structure includes bearing frame 1, the top of bearing frame 1 is equipped with bearing cap 2, bearing cap 2 is connected for dismantling with bearing frame 1, the upper portion both ends of bearing cap 2 are equipped with double-screw bolt 3, double-screw bolt 3 is threaded connection with bearing cap 2, sliding connection has axle bush 4 in the middle of bearing cap 2 and the bearing frame 1, be equipped with oilhole 5 in the middle of the upper portion of bearing cap 2, oilhole 5 runs through bearing cap 2 and extends to inside it, the inside sliding connection of axle bush 4 has double row bearing 7, the inside cooperation of axle bush 4 is connected with axle journal 6, axle journal 6 and double row bearing 7 fixed connection.

Referring to fig. 1, a rubber pad 8 is disposed between the bearing cover 2 and the bearing seat 1, and the rubber pad 8 is fixedly connected to the bearing seat 1. The rubber pad 8 is arranged to play the role of sealing and buffering.

Referring to fig. 2 and 3, an outer bearing 9 is disposed on the surface of the double-row bearing 7, a plurality of outer oil grooves 10 are uniformly distributed on the outer bearing 9, a support ring 13 is disposed inside the outer bearing 9, an outer lubrication layer 11 is disposed between the outer bearing 9 and the support ring 13, the outer oil grooves 10 are communicated with the outer lubrication layer 11, a plurality of outer balls 12 are uniformly distributed inside the outer lubrication layer 11, and the outer balls 12 are in contact connection with the outer bearing 9 and the support ring 13. The outer oil groove 10 is arranged to guide the lubricating oil into the outer lubricating layer 11, the supporting ring 13 is arranged to support the lubricating oil, and the outer ball 12 is arranged to support the outer bearing 9 and lubricate the lubricating oil.

Referring to fig. 2 and 3, a plurality of inner oil grooves 14 are uniformly distributed inside the support ring 13, the inner oil grooves 14 penetrate through the support ring 13, a buffer layer 15 is arranged between each inner oil groove 14, and the buffer layer 15 is fixedly connected inside the support ring 13. The inner oil groove 14 is arranged to guide the lubricating oil in the outer lubricating layer 11 into the inner lubricating layer, and the buffer layer 15 is arranged to buffer and absorb shock.

Referring to fig. 2 and 3, an inner bearing 18 is disposed inside the supporting ring 13, an inner lubrication layer 16 is disposed between the supporting ring 13 and the inner bearing 18, a plurality of inner balls 17 are uniformly distributed inside the inner lubrication layer 16, and the inner balls 17 are slidably connected with the supporting ring 13 and the inner bearing 18. The inner lubrication layer 16 is provided for lubrication, and the inner balls 17 are provided for supporting the inner bearing 18 and for lubrication.

The utility model discloses a 1-bearing frame, 2-bearing cap, 3-double-screw bolt, 4-axle bush, 5-oilhole, 6-axle journal, 7-double row bearing, 8-rubber pad, 9-outer bearing, 10-outer oil groove, 11-outer lubricant film, 12-outer ball, 13-support ring, 14-interior oil groove, 15-buffer layer, 16-interior lubricant film, 17-interior ball, 18-interior bearing, the part is the general standard component or the part that technical staff in the field knows, its structure and principle all are that this technical staff can learn through the technical manual or learn through conventional experimental method.

The working principle is as follows: when the utility model is used, firstly, a rubber pad 8 is fixedly arranged on the upper part of a bearing seat 1, then the bearing seat 1 and a bearing cover 2 are fixedly connected through a stud 3, then a bearing bush 4 is slidably arranged between the bearing seat 1 and the bearing cover 2, then a double-row bearing 7 is slidably connected inside the bearing bush 4, then an outer bearing 9 is arranged outside the double-row bearing 7, then a plurality of outer oil grooves 10 are uniformly arranged inside the outer bearing 9, then a support ring 13 is slidably arranged inside the outer bearing 9, then an outer lubricating layer 11 is arranged between the support ring 13 and the outer bearing 9, then a plurality of outer rolling balls 12 are arranged inside the outer lubricating layer 11, then a buffer layer 15 is fixedly arranged inside the support ring 13, a plurality of inner oil grooves 14 are longitudinally arranged inside the support ring 13, then an inner bearing 18 is slidably arranged on the lower part of the support ring 13, and finally an inner lubricating layer 16 is arranged between the support ring 13 and the inner, and a plurality of inner balls 17 are provided inside the inner lubricating layer 16.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A double row sliding bearing, its structure includes bearing frame (1), its characterized in that: the bearing is characterized in that a bearing cover (2) is arranged at the top of the bearing seat (1), the bearing cover (2) is detachably connected with the bearing seat (1), studs (3) are arranged at two ends of the upper portion of the bearing cover (2), the studs (3) are in threaded connection with the bearing cover (2), a bearing bush (4) is connected between the bearing cover (2) and the bearing seat (1) in a sliding mode, an oil hole (5) is formed in the middle of the upper portion of the bearing cover (2), the oil hole (5) penetrates through the bearing cover (2) and extends into the bearing cover, a double-row bearing (7) is connected to the inner portion of the bearing bush (4) in a sliding mode, a journal (6) is connected to the inner portion of the bearing bush (4) in a matching mode, and the journal.

2. A double row plain bearing according to claim 1, characterized in that: the bearing is characterized in that a rubber pad (8) is arranged between the bearing cover (2) and the bearing seat (1), and the rubber pad (8) is fixedly connected with the bearing seat (1).

3. A double row plain bearing according to claim 1, characterized in that: the surface of double row bearing (7) is equipped with outer bearing (9), evenly distributed has the outer oil groove of a plurality of (10) on outer bearing (9), the inside of outer bearing (9) is equipped with support ring (13), be equipped with outer lubricating layer (11) between outer bearing (9) and support ring (13), outer oil groove (10) and outer lubricating layer (11) through connection, the inside evenly distributed of outer lubricating layer (11) has the outer ball of a plurality of (12), outer ball (12) are connected for the contact with outer bearing (9) and support ring (13).

4. A double row plain bearing according to claim 3, wherein: oil groove (14) in a plurality of are evenly distributed to the inside of support ring (13), interior oil groove (14) run through support ring (13), be equipped with buffer layer (15) between oil groove (14) in every, buffer layer (15) fixed connection is in the inside of support ring (13).

5. The double row sliding bearing according to claim 4, wherein: the bearing structure is characterized in that an inner bearing (18) is arranged inside the supporting ring (13), an inner lubricating layer (16) is arranged between the supporting ring (13) and the inner bearing (18), a plurality of inner balls (17) are uniformly distributed inside the inner lubricating layer (16), and the inner balls (17) are connected with the supporting ring (13) and the inner bearing (18) in a sliding mode.