CN217956839U

CN217956839U - Oil-immersed structure at front end of motor

Info

Publication number: CN217956839U
Application number: CN202221360787.9U
Authority: CN
Inventors: 王梅花; 张永珑; 许�鹏
Original assignee: NINGXIA NORTHWEST HORSE ELECTRIC MANUFACTURING CO LTD
Current assignee: NINGXIA NORTHWEST HORSE ELECTRIC MANUFACTURING CO LTD
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-12-02
Anticipated expiration: 2032-05-31

Abstract

An oil-immersed structure at the front end of a motor comprises a front end cover, a bearing, a composite oil seal, a shaft sleeve and an oil discharge hole, wherein the bearing is assembled on the shaft, the shaft sleeve is assembled on the shaft, the composite oil seal is assembled with the shaft sleeve, the front end cover is assembled with the front end of the shaft, and the oil discharge hole is formed in the front end cover. The bearing of the utility model is soaked in grease and connected with the hollow shaft, and an insulating protective film is formed during operation, thus reducing the heating value; the effect of cooling the bearing and the shaft together is achieved; the temperature of the bearing and the shaft hole is reduced, an oil discharge hole is designed in the front end cover, and redundant oil is discharged from the oil discharge hole in the circulation process of the grease.

Description

Oil-immersed structure at front end of motor

Technical Field

The utility model relates to an explosion-proof machine technical field, in particular to motor front end oil-immersed structure for explosion-proof machine.

Background

As the coal seam is thinner and thinner, the cutting motor of the thin coal seam mining machine has the advantages that the required space is smaller, the power is higher, the current situation cannot be met by a common water cooling structure, and the novel structure with the oil-immersed front end and the independent water cooling base serves as the cutting motor of the thin coal seam mining machine.

Disclosure of Invention

In view of the above, it is desirable to provide an oil-immersed front end structure of a motor.

An oil-immersed structure at the front end of a motor comprises a front end cover, a bearing, a composite oil seal, a shaft sleeve and an oil discharge hole, wherein the bearing is assembled on the shaft, the shaft sleeve is assembled on the shaft, the composite oil seal is assembled with the shaft sleeve, the front end cover is assembled with the front end of the shaft, and the oil discharge hole is formed in the front end cover.

Preferably, a groove is designed on the end face of the front end cover of the motor, and a first O-shaped sealing ring is assembled at the groove.

Preferably, the rear end of the bearing is provided with a double-structure composite oil seal for double-structure sealing.

Preferably, the oil-immersed structure at the front end of the motor is further provided with a second O-shaped sealing ring, a hole check ring and a shaft check ring, the second O-shaped sealing ring is assembled at the front end cover, the hole check ring is assembled with the bearing, and the shaft check ring is assembled with one end of the shaft.

The bearing of the utility model is soaked in grease and connected with the hollow shaft, and an insulating protective film is formed during operation, thus reducing the heating value; the effect of cooling the bearing and the shaft together is achieved; the temperature of the bearing and the shaft hole is reduced, an oil discharge hole is designed in the front end cover, and redundant oil is discharged from the oil discharge hole in the circulation process of the grease; an O-shaped sealing ring groove is designed at the end face of the front end cover of the motor, and an O-shaped sealing ring is assembled in the groove, so that the sealing performance of the motor is improved; at the bearing rear end, join in marriage the dress axle sleeve, reduce the heat that oil blanket and axle sleeve friction and produced, reduce the source that generates heat, use the compound oil blanket of dual structure, fine improvement the effect of oil blanket, the utility model discloses a structural design makes the spare part of the few inner cup of motor front end, has reduced the manufacturing cost of motor when having saved the motor inner space.

Drawings

Fig. 1 is a schematic structural diagram of an oil-immersed structure at the front end of a motor;

in the figure: the oil-gas separator comprises a front end cover 1, a bearing 2, a composite oil seal 3, a shaft 4, a shaft sleeve 5, an oil discharge hole 6, a first O-shaped sealing ring 7, a second O-shaped sealing ring 8, a hole retaining ring 9, a shaft retaining ring 10, an explosion-proof joint face a and a motor winding end part b.

Detailed Description

In order to make the technical solution of the present invention easier to understand, the present invention adopts the mode of the specific embodiment with reference to the attached drawings, and the technical solution of the present invention is clearly and completely described.

Referring to fig. 1, an explosion-proof joint face a and a motor winding end b are marked in the figure and used for determining the position of a motor front end oil-immersed structure in a motor, the motor front end oil-immersed structure comprises a front end cover 1, a bearing 2, a composite oil seal 3, a shaft 4, a shaft sleeve 5 and an oil drain hole 6, the front end cover 1, the bearing 2, the composite oil seal 3, the shaft 4, the shaft sleeve 5 and the oil drain hole 6 of the motor form the oil-immersed structure, the bearing 2 is assembled on the shaft 4, the shaft sleeve 5 is assembled on the shaft 4, the composite oil seal 3 is assembled with the shaft sleeve 5, the front end cover 1 is assembled with the front end of the shaft 4, and the oil drain hole 6 is arranged in the front end cover 1. A groove is designed on the end face of the motor front end cover 1, and a first O-shaped sealing ring 7 is assembled in the groove. The rear end of the bearing 2 is provided with a double-structure composite oil seal 3 for double-structure sealing. The oil-immersed structure at the front end of the motor is also provided with a second O-shaped sealing ring 8, a hole retainer ring 9 and a shaft retainer ring 10, the second O-shaped sealing ring 8 is assembled at the front end cover 1, the hole retainer ring 9 is assembled with the bearing 2, and the shaft retainer ring 10 is assembled with one end of the shaft 4.

The bearing 2 of the utility model is soaked in grease and connected with the hollow shaft, and an insulating protective film is formed during operation, thereby reducing the heat productivity; the effect of cooling the bearing 2 and the shaft 4 together is achieved; the temperature of the bearing 2 and the shaft hole is reduced, an oil discharge hole 6 is designed in the front end cover, and redundant oil is discharged from the oil discharge hole 6 in the circulation process of the grease; an O-shaped sealing ring groove is designed on the end face of the front end cover 1 of the motor, and a first O-shaped sealing ring 7 is assembled in the groove, so that the sealing performance of the motor is improved; at the bearing rear end, join in marriage dress axle sleeve 5, axle sleeve 5 adopts bearing steel axle sleeve that has that wear resistance is good, high strength, high rigidity, high elasticity reduces the heat that oil blanket and axle sleeve friction and produce within a definite time, reduces the source that generates heat, uses the compound oil blanket 3 of dual structure, fine improvement the effect of oil blanket, the utility model discloses a structural design makes the spare part of the few inner cup of motor front end, has reduced the manufacturing cost of motor when having saved the motor inner space.

It should be noted that the embodiments described herein are only some of the embodiments of the present invention, not all implementations of the present invention, and the embodiments are only exemplary, and only serve to provide a more intuitive and clear way to understand the contents of the present invention, but not to limit the technical solutions of the present invention. Without departing from the concept of the present invention, all the other embodiments that can be conceived by those skilled in the art without creative efforts, and other simple replacements and various changes to the technical solution of the present invention, all belong to the protection scope of the present invention.

Claims

1. The utility model provides an oily formula structure of motor front end which characterized in that: the oil-immersed structure at the front end of the motor comprises a front end cover, a bearing, a composite oil seal, a shaft sleeve and an oil discharge hole, wherein the bearing is assembled on the shaft, the shaft sleeve is assembled on the shaft, the composite oil seal is assembled with the shaft sleeve, the front end cover is assembled with the front end of the shaft, and the oil discharge hole is formed in the front end cover.

2. The motor front end oil-immersed structure according to claim 1, wherein: a groove is designed on the end face of the front end cover of the motor, and a first O-shaped sealing ring is assembled at the groove.

3. The motor front end oil-immersed structure according to claim 2, wherein: the rear end of the bearing is provided with a double-structure composite oil seal for double-structure sealing.

4. The oil-immersed structure at the front end of the motor according to claim 3, wherein: the oil-immersed type structure at the front end of the motor is also provided with a second O-shaped sealing ring, a hole retaining ring and a shaft retaining ring, wherein the second O-shaped sealing ring is assembled at the front end cover, the hole retaining ring is assembled with the bearing, and the shaft retaining ring is assembled with one end of the shaft.