CN217462903U

CN217462903U - Motor spindle bushing used on rail car

Info

Publication number: CN217462903U
Application number: CN202221435789.XU
Authority: CN
Inventors: 陈幸国; 董国辉; 韩灿强; 杨保德
Original assignee: Henan Longruida Railway Equipment Co ltd
Current assignee: Henan Longruida Railway Equipment Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-09-20
Anticipated expiration: 2032-06-08

Abstract

The utility model relates to the technical field of rail car equipment, in particular to a motor spindle bushing used on a rail car, which comprises a spindle bushing, wherein extrusion blocks are fixedly arranged on the side wall of the spindle bushing at equal intervals, a ring groove is arranged on the side wall of the spindle bushing, a limit groove is arranged in the inner wall of the ring groove, a first oil injection groove is arranged on the side wall of the spindle bushing, the first oil injection groove is positioned below the ring groove, an oil storage groove is arranged in the inner wall of the spindle bushing, an adjusting mechanism comprises a bushing ring which is movably connected with the spindle bushing, a round hole is arranged at the upper end part of the bushing ring, a rubber plug is movably arranged in the round hole, a second oil injection groove is arranged on the side wall of the bushing ring, the second oil injection groove is just opposite to the first oil injection groove and has the same size, a liquid storage cavity is arranged in the bushing ring, the liquid storage cavity is communicated with the second oil injection groove and the round hole, so that the equipment can automatically lubricate the spindle during operation, the service life of the main shaft is prolonged.

Description

Motor spindle bushing used on rail car

Technical Field

The utility model relates to a railcar equipment technical field especially relates to a motor spindle bush who uses on railcar.

Background

The rail car is a main transport tool for executing tasks by construction departments such as railway equipment maintenance, overhaul, capital construction and the like, is divided into a heavy type and a light type, can be withdrawn from a line by passengers at any time, and is called as a light rail car; the heavy rail car is called as a heavy rail car, any rail car needs to be provided with a main shaft bushing when in use, the bushing is a matching part used outside a mechanical part to achieve the effects of sealing, abrasion protection and the like, and is a ring sleeve playing a role of a gasket.

As disclosed in the chinese patent: bushing, publication No.: CN215908235U, a bushing is mounted in a mounting hole of a mounting member, and a fastening member is passed through the bushing to fasten the mounting member with the fastening member through the bushing, wherein the bushing comprises: a main body portion mounted to the fitting member; a hollow portion provided in the body portion and through which the fastening member passes; and the adjusting part is connected with the main body part and used for adjusting the assembling position of the hollow part so as to improve the assembling precision and the qualification rate of the fastening member. Thus, the axial locking force from the fastening member at the time of assembly can be borne by the bush, so that the assembly member can be prevented from being damaged. In addition, the bush includes an adjusting portion connected to the main body portion for adjusting an assembling position of the hollow portion to improve assembling accuracy of the fastening member, and thus, a deviation assembling hole can be corrected by the adjusting portion of the bush to improve assembling feasibility and yield, but the bush has a large friction force after a long-term use and a large abrasion return with the main shaft, thereby easily reducing a service life thereof.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a motor spindle bushing used on a rail car.

In order to solve the technical problem, the utility model provides a following technical scheme: a motor main shaft bushing used on a rail car comprises a main shaft bushing, wherein extrusion blocks are uniformly and fixedly installed on the side wall of the main shaft bushing at equal intervals, an annular groove is formed in the side wall of the main shaft bushing, a limiting groove is formed in the inner wall of the annular groove, a first oil injection groove is formed in the side wall of the main shaft bushing, and the first oil injection groove is located below the annular groove;

an adjusting mechanism is fixedly arranged on the side wall of the main shaft bushing;

and the side wall of the adjusting mechanism is provided with a limiting mechanism.

The adjusting mechanism comprises a bushing ring, the bushing ring is movably connected with the spindle bushing, a round hole is formed in the upper end of the bushing ring, and a rubber plug is movably mounted inside the round hole.

The limiting mechanism comprises a fixing ring, the fixing ring is fixedly connected with the bushing ring, and the fixing ring is movably arranged in the annular groove.

Preferably, a second oil filling groove is formed in the side wall of the circular ring of the bushing, and the second oil filling groove is opposite to the first oil filling groove and is equal in size.

Preferably, a liquid storage cavity is formed in the bushing ring, and the liquid storage cavity, the second oil injection groove and the round hole are communicated.

Preferably, the side wall of the fixed ring is fixedly provided with a limiting ring, and the limiting ring is movably arranged in the limiting groove.

Preferably, an oil storage tank is arranged in the inner wall of the spindle bushing and communicated with the first oil injection tank.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

one of them, when lubricated liquid in the inside first oiling groove of second oiling groove flow direction of bush ring, the operation is lubricated to the inside main shaft of main shaft bush in the inside first oiling groove flow direction oiling groove of rethread, and when inside lubrication degree is saturated, rotatable bush ring this moment, drive solid fixed ring and spacing ring fixed with it respectively and take place to rotate at ring channel and spacing inslot portion under the rotation of bush ring, the dislocation takes place with first oiling groove in second oiling groove under the rotation of bush ring, accomplish this moment and seal, stop lubrication, it is more convenient to make this equipment adjust when using, make this equipment can lubricate the main shaft voluntarily when the operation, the life of main shaft has been strengthened.

And secondly, the main shaft bushing can be inserted into the mounting hole during use, when the extrusion block is in contact with the mounting hole, the extrusion block is in contact with the mounting hole to deform inwards, after the main shaft bushing is inserted into the mounting hole, the extrusion block forms tension in the mounting hole, and the stability of equipment installation is enhanced under the action of the tension.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the three-dimensional explosion structure of the present invention;

FIG. 3 is a schematic view of the connection explosion structure of the fixing ring of the present invention;

fig. 4 is a schematic view of the connection structure of the extrusion blocks of the present invention.

Wherein: 11. a main shaft bushing; 12. extruding the block; 13. an annular groove; 14. a limiting groove; 15. a first oiling groove; 16. an oil storage tank; 21. a bushing ring; 22. a circular hole; 23. a rubber stopper; 24. a second oiling groove; 31. a fixing ring; 32. a limit ring.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1, 2, 3 and 4, a motor spindle bushing used on a rail car comprises a spindle bushing 11, extrusion blocks 12 are uniformly and equidistantly fixedly installed on the side wall of the spindle bushing 11, an annular groove 13 is formed on the side wall of the spindle bushing 11, a limit groove 14 is formed in the inner wall of the annular groove 13, a first oil injection groove 15 is formed on the side wall of the spindle bushing 11, the first oil injection groove 15 is positioned below the annular groove 13, an oil storage groove 16 is formed in the inner wall of the spindle bushing 11, the oil storage groove 16 is communicated with the first oil injection groove 15, the spindle bushing 11 can be inserted into an installation hole when in use, when the extrusion block 12 is contacted with the mounting hole, the extrusion block 12 is contacted with the mounting hole and deformed inwards, after the spindle bush 11 is inserted into the mounting hole, the extrusion block 12 forms tension in the mounting hole, and the stability of equipment installation is enhanced under the action of the tension;

an adjusting mechanism is fixedly arranged on the side wall of the main shaft bushing 11;

and a limiting mechanism is arranged on the side wall of the adjusting mechanism.

Adjustment mechanism includes bush ring 21, and bush ring 21 is in the same place with 11 swing joint of spindle bush, and round hole 22 has been seted up to bush ring 21 upper end, and the inside movable mounting of round hole 22 has rubber stopper 23, has seted up second oiling groove 24 on the bush ring 21 lateral wall, and second oiling groove 24 just equals just to just the size with first oiling groove 15, and the stock solution chamber has been seted up to bush ring 21 inside, and the stock solution chamber is the feed through state with second oiling groove 24 and round hole 22.

The limiting mechanism comprises a fixing ring 31, the fixing ring 31 is fixedly connected with a bushing ring 21, the fixing ring 31 is movably arranged in an annular groove 13, a limiting ring 32 is fixedly arranged on the side wall of the fixing ring 31, the limiting ring 32 is movably arranged in a limiting groove 14, before the device is used, a rubber plug 23 can be firstly pulled out, then lubricating liquid is added into a liquid storage cavity through a round hole 22, at the moment, the lubricating liquid flows into a first oil injection groove 15 through a second oil injection groove 24 in the bushing ring 21, and then flows into an oil storage groove 16 through the first oil injection groove 15 to lubricate a main shaft in a main shaft bushing 11, so that the device can automatically lubricate the main shaft during operation, the service life of the main shaft is prolonged, when the internal lubrication degree is saturated, the bushing ring 21 can be rotated, the fixing ring 31 and the limiting ring 32 which are fixed with the bushing ring 21 are driven to rotate respectively in the annular groove 13 and the limiting groove 14 under the rotation of the bushing ring 21, the second oil filling groove 24 is dislocated with the first oil filling groove 15 under the rotation of the lining ring 21, and at the moment, the sealing is completed, the lubrication is stopped, so that the device is more convenient to adjust in use.

The working principle is as follows:

the first step is as follows: when the main shaft bushing 11 is used, the main shaft bushing 11 can be inserted into the mounting hole, when the extrusion block 12 is in contact with the mounting hole, the extrusion block 12 is in contact with the mounting hole and deforms inwards, and after the main shaft bushing 11 is inserted into the mounting hole, the extrusion block 12 forms tension in the mounting hole, so that the stability of equipment installation is enhanced under the action of the tension;

the second step is that: can pull out rubber stopper 23 earlier before the use, then through round hole 22 to the inside lubricated liquid that adds in stock solution chamber, this moment here lubricated liquid is inside at bush ring 21 in the first oiling groove 15 of second oiling groove 24 flow direction, the operation is lubricated to the inside main shaft of main shaft bush 11 in the first oiling groove 15 flow direction oiling groove 16, make this equipment can lubricate the main shaft automatically when the operation, the life of main shaft has been strengthened, and when inside lubrication degree is saturated, rotatable bush ring 21 this moment, drive solid fixed ring 31 and spacing ring 32 fixed with it respectively take place to rotate at ring channel 13 and spacing groove 14 inside under the rotation of bush ring 21, second oiling groove 24 takes place the dislocation with first oiling groove 15 under the rotation of bush ring 21, accomplish at this moment and seal, stop lubrication, make this equipment adjust when using more convenient.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. The utility model provides a motor spindle bushing who uses on railcar, includes spindle bushing (11), its characterized in that: the extrusion blocks (12) are uniformly and fixedly installed on the side wall of the main shaft bushing (11) at equal intervals, an annular groove (13) is formed in the side wall of the main shaft bushing (11), a limiting groove (14) is formed in the inner wall of the annular groove (13), a first oil injection groove (15) is formed in the side wall of the main shaft bushing (11), and the first oil injection groove (15) is located below the annular groove (13);

an adjusting mechanism is fixedly arranged on the side wall of the main shaft bushing (11);

2. The motor spindle bushing used on the rail car according to claim 1, wherein the adjusting mechanism comprises a bushing ring (21), the bushing ring (21) is movably connected with the spindle bushing (11), a circular hole (22) is formed in the upper end of the bushing ring (21), and a rubber plug (23) is movably mounted in the circular hole (22).

3. The motor spindle bushing for a rail car according to claim 2, wherein the limiting mechanism comprises a fixing ring (31), the fixing ring (31) is fixedly connected with the bushing ring (21), and the fixing ring (31) is movably arranged in the annular groove (13).

4. The motor spindle bushing for the rail car as claimed in claim 2, wherein a second oil groove (24) is formed in the side wall of the bushing ring (21), and the second oil groove (24) is opposite to the first oil groove (15) and has the same size.

5. The motor spindle bushing used on the rail car according to claim 4, wherein a liquid storage cavity is formed inside the bushing ring (21), and the liquid storage cavity is communicated with the second oil filling groove (24) and the circular hole (22).

6. The motor spindle bushing for the rail car according to claim 3, wherein a limiting ring (32) is fixedly mounted on the side wall of the fixing ring (31), and the limiting ring (32) is movably arranged in the limiting groove (14).

7. The motor spindle bushing used on the railway vehicle as claimed in claim 1, wherein an oil storage tank (16) is formed in the inner wall of the spindle bushing (11), and the oil storage tank (16) is communicated with the first oil injection tank (15).