CN219035342U

CN219035342U - Bearing elastic support of engine

Info

Publication number: CN219035342U
Application number: CN202320095524.8U
Authority: CN
Inventors: 赵金社; 杨有亮
Original assignee: Yuantai Weiye Auto Parts Co ltd
Current assignee: Yuantai Weiye Auto Parts Co ltd
Priority date: 2023-02-01
Filing date: 2023-02-01
Publication date: 2023-05-16
Anticipated expiration: 2033-02-01

Abstract

The utility model relates to the technical field of bearing supports, and provides a bearing elastic support of an engine, which comprises a base, a bearing seat arranged in the base, and a bearing main body fixedly arranged in the bearing seat, wherein a damping mechanism is arranged between the bearing seat and the base, two ends of an inner ring of the bearing main body are fixedly provided with fixing rods, and an oil storage tank is fixedly arranged in the center of the top of the surface of the bearing seat. The fixed rod is driven to rotate through the bearing main body, the fixed rod is contacted with the extrusion block during rotation, the piston block is driven to move upwards through the bent rod, negative pressure is formed in the hollow cylinder, the reset spring is stretched, lubricating oil in the oil storage tank is sucked into the hollow cylinder through the oil pumping pipe, after the fixed rod is separated from the extrusion block, the reset spring drives the piston block to move downwards for reset, the lubricating oil is extruded, the lubricating oil is discharged between the inner ring and the outer ring of the bearing main body through the oil discharging pipe, the effect of automatically injecting the lubricating oil into the bearing main body is achieved, and smoothness between the bearing main body and an engine rotating shaft and service life are effectively improved.

Description

Bearing elastic support of engine

Technical Field

The utility model relates to the technical field of bearing supports, in particular to an elastic bearing support of an engine.

Background

An engine is a machine capable of converting other forms of energy into mechanical energy, including, for example, internal combustion engines (reciprocating piston engines), external combustion engines (stirling engines, steam engines, etc.), jet engines, electric motors, and the like.

The known application number is: CN202122308049.1, it discloses a bearing elastic support of aeroengine, which comprises an outer ring, a supporting ring, an inner ring and a driving device, the outer ring is fixedly connected with the external engine, the inner wall of the outer ring is fixedly provided with the supporting ring, the inner side of the supporting ring is fixedly provided with the inner ring, the inner ring is sheathed on the driving shaft of the engine, and one side of the supporting ring is provided with the driving device. According to the utility model, the driving end drives the driving rod to move through the driving device, so that the stress ring is supported on the inner ring, the acting force born by the supporting ring is shared, and the rigidity of the supporting piece is adjusted;

although the technical scheme solves the technical problems that when the rigidity of the bearing support piece of the engine can not meet the requirement in use, the engine is required to be disassembled and adjusted, and the cost is relatively high;

however, the following problems are found in the implementation of the related art: in the use process, in order to ensure the abrasion of the rotation of the engine rotating shaft, people are required to manually add lubricating oil to the bearing according to regular time, but the effect of automatically injecting the lubricating oil to the bearing cannot be realized, so that the use convenience is reduced, the situation that the abrasion of the bearing and the engine rotating shaft is increased when the bearing rotates in the process, such as lack of lubrication, is easily caused, and the service lives of the bearing and the engine rotating shaft are easily influenced.

Disclosure of Invention

The utility model provides an elastic bearing support of an engine, which solves the problem that the convenience of use is reduced due to the fact that a person is required to manually inject lubricating oil in the related art.

The technical scheme of the utility model is as follows: the bearing elastic support comprises a base, a bearing seat arranged in the base and a bearing main body fixedly arranged in the bearing seat, wherein a damping mechanism is arranged between the bearing seat and the base, two ends of an inner ring of the bearing main body are fixedly provided with fixing rods, and an oil storage tank is fixedly arranged in the center of the top of the surface of the bearing seat;

the two sides of the top of the surface of the bearing seat are fixedly provided with hollow cylinders, and the surface of each hollow cylinder is fixedly connected with a pumping pipe communicated with an oil storage tank;

the inner bottom wall of the hollow cylinder is fixedly provided with a reset spring, the top end of the reset spring is fixedly connected with a piston block attached to the inner wall of the hollow cylinder, the top of the piston block is fixedly connected with a bent rod movably inserted into the hollow cylinder, and one end of the bent rod is fixedly connected with an extrusion block;

the surface of the hollow cylinder is fixedly connected with an oil discharge pipe communicated with the inner ring of the bearing main body.

Preferably, the one-way valves are arranged on the surfaces of the oil suction pipe and the oil discharge pipe, a through hole is formed in the surface of the outer ring of the bearing main body, and one end of the oil discharge pipe penetrates through the bearing seat and is communicated with the through hole.

Preferably, the damping mechanism comprises a sliding groove formed in two sides of the inner wall of the base and a sliding block fixedly arranged on two sides of the bearing seat and connected with the sliding groove in a sliding mode, the damping mechanism further comprises two sliding rods fixedly arranged between two sides of the inner wall of the base and positioned on one side of the sliding groove and two moving blocks which are connected to the surfaces of the sliding rods in a sliding mode, the damping mechanism further comprises an elastic supporting piece fixedly arranged at the top of each moving block, the elastic supporting piece is of a circular arc structure, the outer surface of the elastic supporting piece is in contact with the bearing seat, the damping mechanism further comprises damping springs sleeved on the surfaces of two ends of the sliding rods, and two ends of each damping spring are connected with the base and the moving blocks respectively.

Preferably, the oil storage tank is fixedly arranged on the surface of the bearing seat through the supporting rod, one side of the oil storage tank is fixedly connected with an oil injection pipe, one end of the oil injection pipe is provided with a sealing groove, the surface of the oil injection pipe is in threaded connection with a sealing cover, and one side of the inner wall of the sealing cover is fixedly provided with a sealing ring clamped with the sealing groove.

The working principle and the beneficial effects of the utility model are as follows:

according to the utility model, the fixed rod is driven to synchronously rotate through the bearing main body, when the fixed rod rotates and contacts with the extrusion block, the fixed rod is extruded, the piston block is driven to move upwards in the hollow cylinder through the bent rod, so that negative pressure is formed in the hollow cylinder, meanwhile, the reset spring is stretched, lubricating oil in the oil storage tank is sucked into the hollow cylinder through the oil pumping pipe, after the fixed rod is separated from the extrusion block, the reset spring drives the piston block to move downwards for resetting, the lubricating oil in the hollow cylinder is extruded, the lubricating oil is discharged between the inner ring and the outer ring of the bearing main body through the oil discharging pipe, the effect of automatically injecting the lubricating oil into the bearing main body is realized, and smoothness between the bearing main body and the rotating shaft of an engine and the service life of the engine are effectively improved.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a partial cross-sectional structure of a hollow cylinder according to the present utility model;

FIG. 3 is a schematic view of a partial cross-sectional structure of a base of the present utility model;

FIG. 4 is a schematic view of a partial cross-sectional structure of a reservoir according to the present utility model;

in the figure: 1. a base; 2. a bearing seat; 3. a bearing body; 4. a fixed rod; 5. an oil storage tank; 6. a hollow cylinder; 7. a return spring; 8. a piston block; 9. bending a rod; 10. extruding a block; 11. an oil pumping pipe; 12. an oil drain pipe; 13. a chute; 14. a slide block; 15. a slide bar; 16. a moving block; 17. an elastic support sheet; 18. a damping spring; 19. a filler pipe; 20. sealing cover; 21. and (3) a sealing ring.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution for an elastic bearing of an engine: the shock-absorbing device comprises a base 1, a bearing seat 2 arranged in the base 1 and a bearing main body 3 fixedly arranged in the bearing seat 2, wherein the overall shape of the base 1 is approximately of a U-shaped structure, a shock-absorbing mechanism is arranged between the bearing seat 2 and the base 1, two ends of an inner ring of the bearing main body 3 are fixedly provided with fixing rods 4, and the center of the top of the surface of the bearing seat 2 is fixedly provided with an oil storage tank 5;

the two sides of the top of the surface of the bearing seat 2 are fixedly provided with hollow cylinders 6, and the surface of each hollow cylinder 6 is fixedly connected with a pumping pipe 11 communicated with the oil storage tank 5;

the inner bottom wall of the hollow cylinder 6 is fixedly provided with a return spring 7, the top end of the return spring 7 is fixedly connected with a piston block 8 which is attached to the inner wall of the hollow cylinder 6, the top of the piston block 8 is fixedly connected with a bent rod 9 which is movably inserted into the hollow cylinder 6, one end of the bent rod 9 is fixedly connected with an extrusion block 10 which is contacted with the fixed rod 4, wherein the bent rod 9 is of a U-shaped structure, the extrusion block 10 is of a circular arc structure, and the surface of the hollow cylinder 6 is fixedly connected with an oil discharge pipe 12 which is communicated with the inner ring of the bearing main body 3;

in the use, through penetrating the engine pivot into the bearing main part 3 inner ring and its connection, drive the inner ring of bearing main part 3 through the engine pivot and carry out synchronous rotation, the pivoted in-process can drive dead lever 4 synchronous rotation, it makes its upward movement to extrude when dead lever 4 rotates and extrusion piece 10 contacts, and drive piston piece 8 through bent rod 9 and upwards remove in hollow section of thick bamboo 6, make the hollow section of thick bamboo 6 interior form the negative pressure, stretch reset spring 7 simultaneously, thereby make the lubricating oil in the oil storage tank 5 draw into in hollow section of thick bamboo 6 through drawing oil pipe 11, after dead lever 4 and extrusion piece 10 separate, drive piston piece 8 through reset spring 7 and carry out the downward movement and reset, extrude the lubricating oil in hollow section of thick bamboo 6, make lubricating oil drain into between bearing main part 3 inner ring and the outer loop through oil drain pipe 12, then realize carrying out the effect of automatic injection lubricating oil to bearing main part 3, prevent that bearing main part 3 from causing its and engine pivot to appear wearing and tearing because of lacking, the smoothness in use and life between bearing main part 3 and the engine pivot have effectively been improved.

Specific: the surfaces of the oil suction pipe 11 and the oil discharge pipe 12 are provided with one-way valves, the outer ring surface of the bearing main body 3 is provided with a through hole, and one end of the oil discharge pipe 12 passes through the bearing seat 2 and is communicated with the through hole;

by installing the check valve on the oil suction pipe 11, the lubricating oil can be input only through the oil suction pipe 11 but can not be discharged, and by installing the check valve on the oil discharge pipe 12, the phenomenon of backflow of the discharged lubricating oil can be prevented.

Specific: the damping mechanism comprises a sliding groove 13 formed in two sides of the inner wall of the base 1, a sliding block 14 fixedly arranged on two sides of the bearing seat 2 and connected with the sliding groove 13 in a sliding manner, two sliding rods 15 fixedly arranged between two sides of the inner wall of the base 1 and positioned on one side of the sliding groove 13, two moving blocks 16 connected to the surfaces of each sliding rod 15 in a sliding manner, an elastic supporting plate 17 fixedly arranged on the top of each moving block 16, and an arc-shaped structure of the elastic supporting plate 17, wherein the outer surface of the elastic supporting plate 17 is in contact with the bearing seat 2, the elastic supporting plate 17 has the characteristic of deformation and form change due to stress, the elastic supporting plate is restored in form after external force disappears, the damping mechanism further comprises damping springs 18 sleeved on the surfaces of the two ends of the sliding rods 15, and the two ends of each damping spring 18 are respectively connected with the base 1 and the moving blocks 16;

when the rotating shaft of the engine rotates, acting force is applied to the bearing main body 3 and vibration is generated, the bearing seat 2 drives the sliding block 14 to move up and down in the sliding groove 13 under the action of the vibration force, the moving track of the bearing seat 2 is limited through the sliding block 14 and the sliding groove 13, so that the vibration direction is converted into up-and-down vibration, when the bearing seat 2 moves down, the elastic supporting pieces 17 are extruded to change the shape of the elastic supporting pieces 17, the moving blocks 16 on two sides are driven to slide on the two sides of the sliding rod 15, meanwhile, the damping springs 18 are extruded, the vibration extrusion force is absorbed through the damping springs 18, and the reaction force is applied to the moving blocks 16, so that the effect of damping vibration force is realized, and the use stability of the bearing main body 3 is prevented from being influenced by the vibration force.

Specific: the oil storage tank 5 is fixedly arranged on the surface of the bearing seat 2 through a supporting rod, one side of the oil storage tank 5 is fixedly connected with an oil injection pipe 19, one end of the oil injection pipe 19 is provided with a sealing groove, the surface of the oil injection pipe 19 is in threaded connection with a sealing cover 20, the surface of the oil injection pipe 19 and the inner surface of the sealing cover 20 are provided with matched threads, and one side of the inner wall of the sealing cover 20 is fixedly provided with a sealing ring 21 which is clamped with the sealing groove;

through setting up the filler pipe 19, be convenient for store the use to the inside interpolation lubricating oil of oil storage tank 5, after the interpolation is accomplished, through screwing up sealed lid 20 on filler pipe 19 to make sealing ring 21 insert inside the seal groove, and then reach sealed filler pipe 19's effect, prevent that lubricating oil from spilling over, improved sealing performance.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The bearing elastic support of the engine comprises a base (1), a bearing seat (2) arranged in the base (1) and a bearing main body (3) fixedly arranged in the bearing seat (2), wherein a damping mechanism is arranged between the bearing seat (2) and the base (1), and the bearing elastic support is characterized in that fixing rods (4) are fixedly arranged at two ends of an inner ring of the bearing main body (3), and an oil storage tank (5) is fixedly arranged at the center of the top of the surface of the bearing seat (2);

the two sides of the top of the surface of the bearing seat (2) are fixedly provided with hollow cylinders (6), and the surface of each hollow cylinder (6) is fixedly connected with an oil pumping pipe (11) communicated with the oil storage tank (5);

the inner bottom wall of the hollow cylinder (6) is fixedly provided with a return spring (7), the top end of the return spring (7) is fixedly connected with a piston block (8) attached to the inner wall of the hollow cylinder (6), the top of the piston block (8) is fixedly connected with a bent rod (9) movably inserted into the hollow cylinder (6), and one end of the bent rod (9) is fixedly connected with a squeezing block (10);

the surface of the hollow cylinder (6) is fixedly connected with an oil discharge pipe (12) communicated with the inner ring of the bearing main body (3).

2. The elastic bearing support of the engine according to claim 1, wherein the surfaces of the oil pumping pipe (11) and the oil discharging pipe (12) are provided with one-way valves, the outer ring surface of the bearing main body (3) is provided with a through hole, and one end of the oil discharging pipe (12) penetrates through the bearing seat (2) and is communicated with the through hole.

3. The elastic bearing support of the engine according to claim 1, wherein the damping mechanism comprises sliding grooves (13) formed on two sides of the inner wall of the base (1) and sliding blocks (14) fixedly arranged on two sides of the bearing seat (2) and connected with the sliding grooves (13) in a sliding mode.

4. A bearing elastic support for an engine according to claim 3, characterized in that the damping mechanism further comprises two slide bars (15) fixedly installed between both sides of the inner wall of the base (1) and located at one side of the slide groove (13) and two moving blocks (16) slidably connected to the surface of each slide bar (15).

5. The elastic bearing support of an engine according to claim 4, wherein the damping mechanism further comprises an elastic supporting piece (17) fixedly installed on the top of the moving block (16), the elastic supporting piece (17) is in a circular arc structure, and the outer surface of the elastic supporting piece is in contact with the bearing seat (2).

6. The elastic bearing support of the engine according to claim 5, wherein the damping mechanism further comprises damping springs (18) sleeved on two end surfaces of the sliding rod (15), and two ends of each damping spring (18) are respectively connected with the base (1) and the moving block (16).

7. The elastic bearing support of the engine according to claim 1, wherein the oil storage tank (5) is fixedly arranged on the surface of the bearing seat (2) through a supporting rod, one side of the oil storage tank (5) is fixedly connected with an oil injection pipe (19), and one end of the oil injection pipe (19) is provided with a sealing groove.

8. The elastic bearing support of the engine according to claim 7, wherein the surface of the oil filler pipe (19) is in threaded connection with a sealing cover (20), and a sealing ring (21) clamped with the sealing groove is fixedly arranged on one side of the inner wall of the sealing cover (20).