CN214744900U

CN214744900U - Oil injection and discharge device for permanent magnet electric roller bearing

Info

Publication number: CN214744900U
Application number: CN202120876177.3U
Authority: CN
Inventors: 孙洪霞; 贺宜标; 邵文杰; 李洪超
Original assignee: Shandong Shengmao Electromechanical Technology Co ltd
Current assignee: Shandong Shengmao Electromechanical Technology Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-11-16
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a permanent magnetism motorized pulley bearing annotates oil extraction device, including setting up the oiling device on the end cover and setting up the oil extraction device on the bearing enclosing cover, correspond oiling device and oil extraction device and be provided with oiling mouth and oil drain port respectively on flange and the bearing enclosing cover, the opening of oiling mouth and oil drain port all sets up towards the enclosing cover direction. Set up oiling mouth and oil drain port on homonymy bearing enclosing cover respectively, when making things convenient for the oiling, solved the complete hidden danger of equipment oil leak, through all towards the enclosing cover design with oiling mouth and oil drain port, make things convenient for operating personnel just can carry out the oiling smoothly after opening the enclosing cover or arrange oil work.

Description

Oil injection and discharge device for permanent magnet electric roller bearing

Technical Field

The utility model belongs to the technical field of permanent magnetism belt conveyor equipment, specifically speaking relates to an oil injection and discharge device is annotated to permanent magnetism electric roller bearing.

Background

Under the permanent magnetism belt conveyor circumstances of transporting on the upward side, when belt feeder conveyer belt running resistance is less than material and promotes the resistance, the conveyer belt will take place to reverse, need set up contrary device that ends. The backstop is usually externally arranged at one side of the permanent magnet electric roller or is arranged on the unloading roller. When the belt conveyor structure is not allowed and the underground chamber condition of the mine is limited, the backstop is required to be arranged at the inner side of the drum skin of the permanent magnetic drum so as to meet the use requirement of the mine. Although the installation form can solve the problems, the installation form brings the problem that the oil injection and the oil discharge of the permanent magnet roller built-in backstop side bearing are difficult.

Accordingly, further developments and improvements are still needed in the art.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, a permanent magnet electric roller bearing oil injection and discharge device has been proposed. The utility model provides a following technical scheme:

the utility model provides a permanent magnetism motorized pulley bearing annotates oil extraction device, is including setting up the oiling device on the end cover and setting up the oil extraction device on the bearing enclosing cover, corresponds oiling device and oil extraction device and is provided with oiling mouth and oil drain port respectively on flange and the bearing enclosing cover, the opening of oiling mouth and oil drain port all sets up towards the enclosing cover direction.

Furthermore, the oil injection device comprises an oil injection channel and a straight-through oil cup, the oil injection channel is communicated with the outside and the bearing, the oil injection channel is arranged inside the end cover, and the oil cup is fixedly connected to the opening of the oil injection channel on the surface of the end cover.

Further, the oil injection channel is obliquely arranged from the oil injection port to the bearing.

Further, the inner diameter of the oil filling opening is larger than the outer diameter of the oil filling gun.

Further, the oil discharge device includes the oil discharge passageway of intercommunication outside and bearing enclosing cover and sets up in the oil extraction cover subassembly of oil discharge passageway and oil drain port junction, the oil discharge passageway sets up inside the bearing enclosing cover, oil extraction cover subassembly fixed connection is in the oil drain port.

Furthermore, the oil discharge port comprises a first oil discharge port formed in the connecting flange and a second oil discharge port formed in the bearing outer cover, and the axes of the first oil discharge port and the second oil discharge port coincide.

Further, the oil discharge channel is a U-shaped oil discharge channel.

Further, the oil discharge sleeve assembly comprises a limiting sleeve with two open ends, a steel ball used for controlling the open state of one end of the limiting sleeve and a compression spring used for abutting the steel ball on the open end of one end of the limiting sleeve, one end of the compression spring is fixed on the steel ball, and the other end of the compression spring is fixed on the limiting sleeve far away from the side of the steel ball.

Furthermore, an external device for collecting the discharged liquid is connected to the oil outlet.

Further, the oil injection device and the oil discharge device are respectively arranged on two sides of the bearing.

Has the advantages that:

1. the orientation of the oil filling opening is consistent with the direction of the outer cover, so that an operator can conveniently and quickly butt with the oil cup to finish oil filling operation without adjusting the angle of the oil filling gun, the maintenance efficiency of equipment is improved, and the production efficiency of the equipment is indirectly improved;

2. the oil injection end is simultaneously provided with the oil discharge port and the oil discharge device, so that when the bearing lubricating oil is heated and hydrated to flow into the cavity of the outer bearing cover, redundant hydrated lubricating oil is prevented from seeping out through a gap between the stator shaft and the outer bearing cover and flowing into the cylinder body through a gap between the outer bearing cover and the connecting flange to generate potential safety hazards;

3. through setting up oiling device and oil extraction device in the bearing both sides, and set up in the below and the top in same vertical plane, ensure that lubricating oil can just discharge unnecessary liquid after fully lubricated in the bearing.

Drawings

Fig. 1 is a schematic view of an internal structure of a permanent magnet electric roller bearing oil injection and discharge device according to an embodiment of the present invention;

FIG. 2 is a schematic view of the present invention at a point A in FIG. 1;

FIG. 3 is a schematic view of the present invention at a portion B of FIG. 1;

fig. 4 is a schematic structural view of a conventional design scheme of a permanent magnet electric roller bearing oil injection and discharge device in an embodiment of the present invention;

in the drawings: 100. a drum; 200. an outer cover; 300. a bearing; 310. a connecting flange; 320. an end cap; 330. a bearing outer cover; 340. a stator shaft; 350. a backstop; 400. an oiling device; 410. an oil filling port; 420. an oil cup; 430. an oil injection channel; 500. an oil discharge device; 510. an oil discharge port; 520. an oil discharge passage; 531 a limit sleeve; 532. a steel ball; 533. compressing the spring.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustration and not for limitation of the present invention.

As shown in fig. 4, the conventional design scheme includes a drum 100, an outer cover 200 disposed at an end of the drum 100, a bearing 300 disposed in the drum 100, a connecting flange 310 disposed on the bearing 300, an end cap 320, a bearing outer cover 330, a stator shaft 340, and a backstop 350, wherein the oil injection device 400 of the bearing 300 is disposed on the end cap 320 and is composed of an oil injection channel 430 in the end cap 320 and an outer 45-degree oil cup 420. When the bearing 300 needs to be filled with oil, the outer cover 200 on the outer side of the roller 100 is opened, the oil gun is extended into the roller eye and is butted and pressurized with the oil cup 420, and the oil filling of the bearing 300 can be completed; in the design scheme, the bearing 300 oil discharge device 500 is not arranged, when the lubricating oil of the bearing 300 is heated and hydrated to flow into the cavity of the bearing outer cover 330, an oil seepage position is formed in the gap between the stator shaft 340 and the bearing outer cover 330, and the redundant hydrated lubricating oil seeps out from the oil seepage position and flows into the cylinder body through the gap between the bearing outer cover 330 and the connecting flange, so that potential safety hazards are generated.

As shown in fig. 1 to 3, the oil injection and discharge device for the permanent magnet electric roller bearing comprises an oil injection device 400 arranged on an end cover 320 and an oil discharge device 500 arranged on a bearing outer cover 330, wherein an oil injection port 410 and an oil discharge port 510 are respectively arranged on a connecting flange 310 and the bearing outer cover 330 corresponding to the oil injection device 400 and the oil discharge device 500, and openings of the oil injection port 410 and the oil discharge port 510 are both arranged towards the direction of the outer cover 200. Set up oiling mouth 410 and oil drain port 510 on homonymy bearing enclosing cover 330 respectively, when making things convenient for the oiling, solved the complete hidden danger of equipment oil leak, through all towards enclosing cover 200 design with oiling mouth 410 and oil drain port 510, make things convenient for operating personnel just can carry out oiling or oil extraction operation smoothly after opening enclosing cover 200.

Further, the oil injection device 400 comprises an oil injection channel 430 communicating the outside with the bearing 300 and a straight-through oil cup 420, wherein the oil injection channel 430 is arranged inside the end cap 320, and the oil cup 420 is fixedly connected to the surface of the end cap 320 at the opening of the oil injection channel 430. When the bearing 300 needs to be filled with oil, the outer cover 200 on the outer side of the roller 100 is opened, the oil gun is extended into the oil filling port 410 and is in butt joint with the oil cup 420 for pressurization, the oil filling process of the bearing 300 can be completed, simplicity and effectiveness are achieved, the equipment downtime is reduced, and the labor intensity of workers is reduced.

Further, the oil filling passage 430 is obliquely arranged from the oil filling port 410 to the bearing 300. Preferably, the oil filling port 410 and the bearing 300 are arranged in a straight inclined manner and communicated with each other at the shortest distance, so that lubricating oil can quickly reach the bearing 300, the risk of blocking the oil filling channel 430 is reduced, and the pressure of the oil cup 420 is prevented from being influenced by the self resistance of the oil filling channel 430 in the oil filling process.

Further, the inner diameter of the grease inlet 410 is larger than the outer diameter of the grease gun. The oil filling gun can smoothly extend into the oil filling port 410 and is connected with the oil cup 420 for oil filling operation.

Further, the oil discharge device 500 includes an oil discharge passage 520 communicating the outside with the bearing outer cover 330 and an oil discharge sleeve assembly disposed at the joint of the oil discharge passage 520 and the oil discharge port 510, the oil discharge passage 520 is disposed inside the bearing outer cover 330, and the oil discharge sleeve assembly is fixedly connected in the oil discharge port 510. The oil discharge sleeve assembly is additionally arranged, so that the potential safety hazard of oil leakage of underground equipment is solved, and the safe operation and stable production of underground coal mine production equipment are guaranteed.

Further, the oil discharge port 510 includes a first oil discharge port 510 opened on the connecting flange 310 and a second oil discharge port 510 opened on the bearing outer cover 330, and axes of the first oil discharge port 510 and the second oil discharge port 510 coincide. The oil discharge sleeve assembly comprises an oil discharge sleeve used for fixing the limiting sleeve 531 and hermetically communicating the first oil discharge port 510 and the second oil discharge port 510, the oil discharge sleeve is fixed in the first oil discharge port 510 and the second oil discharge port 510, and the axes of the oil discharge sleeve and the first oil discharge port 510 coincide with the axes of the second oil discharge port 510.

Further, the oil discharge channel 520 is a U-shaped oil discharge channel 520.

Further, the oil discharge sleeve assembly comprises a limiting sleeve 531 with two open ends, a steel ball 532 used for controlling the open state of one end of the limiting sleeve 531 and a compression spring 533 used for abutting the steel ball 532 on the open end of one end of the limiting sleeve 531, one end of the compression spring 533 is fixed on the steel ball 532, and the other end of the compression spring is fixed on the limiting sleeve 531 far away from the steel ball 532 side.

Further, an external device for collecting the discharged liquid is connected to the oil discharge port 510. When the lubricating oil of the bearing 300 is heated and hydrated to flow into the cavity of the outer bearing cover 330, the excessive hydrated lubricating oil enters the limiting sleeve 531 through the oil discharge channel 520 shown in the upper drawing, pushes the steel ball 532 open and is discharged to enter the external device. The external device is hermetically connected with the oil discharge sleeve assembly through a pipeline, so that discharged liquid is prevented from falling into the roller 100, and secondary pollution to devices inside the roller 100 in the discharge process is avoided.

Further, the oil injection device 400 and the oil discharge device 500 are respectively disposed at both sides of the bearing 300. Preferably, the oil injection device 400 is disposed at the lowest point of the bearing 300, and the oil discharge device 500 is disposed at the highest point of the bearing 300, which are located in the same vertical plane, so as to ensure that the lubricating oil can be fully lubricated in the bearing 300 before discharging the excessive liquid.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.

Claims

1. The utility model provides a permanent magnetism motorized pulley bearing annotates oil extraction device, its characterized in that, including setting up the oiling device on the end cover and setting up the oil extraction device on the bearing enclosing cover, correspond oiling device and oil extraction device and be provided with oiling mouth and oil drain port respectively on flange and the bearing enclosing cover, the opening of oiling mouth and oil drain port all sets up towards the enclosing cover direction.

2. The permanent magnet electric roller bearing oil injection and discharge device as claimed in claim 1, wherein the oil injection device comprises an oil injection passage communicating the outside with the bearing and a through type oil cup, the oil injection passage is arranged inside the end cover, and the oil cup is fixedly connected to an opening of the oil injection passage on the surface of the end cover.

3. The permanent magnet motorized roller bearing oil and gas injection and extraction apparatus of claim 2, wherein the oil injection passage is angled from the oil injection port to the bearing.

4. The permanent magnet motorized roller bearing oil and gas injection and extraction device of claim 1, wherein the oil fill port inner diameter is larger than the grease gun outer diameter.

5. The permanent magnet electric roller bearing oil injection and discharge device according to claim 1, wherein the oil discharge device comprises an oil discharge passage communicating the outside with the outer cover of the bearing and an oil discharge sleeve assembly disposed at the joint of the oil discharge passage and the oil discharge port, the oil discharge passage is disposed inside the outer cover of the bearing, and the oil discharge sleeve assembly is fixedly connected inside the oil discharge port.

6. The permanent magnet electric roller bearing oil injection and discharge device according to claim 5, wherein the oil discharge port comprises a first oil discharge port formed on the connecting flange and a second oil discharge port formed on the bearing outer cover, and the axes of the first oil discharge port and the second oil discharge port coincide.

7. The permanent magnet electric roller bearing oil injection and drainage device according to claim 5, wherein the oil drainage channel is a U-shaped oil drainage channel.

8. The permanent magnet electric roller bearing oil injection and discharge device as claimed in claim 1, wherein the oil discharge sleeve assembly comprises a position-limiting sleeve with two open ends, a steel ball for controlling the open state of one end of the position-limiting sleeve, and a compression spring for abutting the steel ball against the open end of one end of the position-limiting sleeve, one end of the compression spring is fixed on the steel ball, and the other end of the compression spring is fixed on the position-limiting sleeve far away from the steel ball.

9. The permanent magnet motorized roller bearing oil filling and draining device according to claim 1, wherein an external device for collecting drained liquid is connected to the oil drain port.

10. The permanent magnet motorized roller bearing of claim 1, wherein the oil injection means and the oil drain means are disposed on opposite sides of the bearing.