CN216390670U

CN216390670U - Motor for lubricating bearing by liquid oil

Info

Publication number: CN216390670U
Application number: CN202123276806.8U
Authority: CN
Inventors: 向超; 向明洪
Original assignee: Audis Intelligent Equipment Guangdong Co ltd
Current assignee: Audis Intelligent Equipment Guangdong Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-04-26
Anticipated expiration: 2031-12-23

Abstract

The utility model relates to the field of motors, in particular to a motor for lubricating a bearing by using liquid oil. The motor comprises a base, a stator, a rotor and an oil supply assembly; the mounting oil supply assemblies are provided with two groups, the two groups of mounting oil supply assemblies are respectively positioned at the front end and the rear end of the base, each mounting oil supply assembly comprises a bearing, an end cover, a framework oil seal and mounting assembly, an oil storage box, a communicating assembly and a plug, the bearings are sleeved on the rotors, the bearings are arranged on the end covers, the framework oil seal and the mounting assemblies are arranged on the end covers, the end covers are connected with the base, an oil inlet channel, an oil cavity and an oil outlet channel which are sequentially communicated are arranged on the end covers, the oil storage box is arranged at the top of the end covers, the oil storage box is communicated with the oil inlet channel, and the plugs are arranged at the oil outlet channel; the rotor is located the stator inboard, and the stator setting is in the frame. The utility model can effectively lubricate the bearing.

Description

Motor for lubricating bearing by liquid oil

Technical Field

The utility model relates to the field of motors, in particular to a motor for lubricating a bearing by using liquid oil.

Background

The bearing of the existing motor generally adopts pasty lubricating grease, has large consistency and large rotation resistance, and the addition amount is difficult to accurately calculate when the lubricating grease is added. If too much grease is added, the rotation resistance of the bearing is affected, the temperature rise of the motor bearing is brought, and the service life of the bearing caused by high temperature is reduced. If the paste grease is added too little, the bearing cannot be sufficiently lubricated, so that the bearing is worn, fatigued, indented, failed and damaged in advance.

The centrifugal force generated by the rotation of the motor can throw lubricating grease to the outer ring and two sides of the bearing cover, the lubricating grease is found to run to the cover when the bearing is disassembled sometimes, the lubricating grease is filled for a long time and then extruded to the motor coil, the heat dissipation of the motor coil is influenced, meanwhile, the inner ring of the bearing cannot be fully lubricated, the service life of the bearing is greatly shortened, the utilization rate of the lubricating grease is very low, at present, a deep groove bearing can only be selected, and the roller bearing with larger bearing capacity and more durability cannot be selected due to the reason of the lubricating grease, so that the defect is too much.

And the machine also needs to be stopped frequently and regularly to be filled with lubricating grease, although the lubricating grease is relieved, the defects of the pasty lubricating grease still can not fully lubricate the bearing, the filling amount is difficult to be controlled, and the lubricating grease can not be filled without stopping. The bearing is influenced by lubrication badly, the motor bearing is damaged and cannot be burnt by high temperature of the motor winding in time, the motor is stopped when being damaged, and the production is greatly influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides a motor capable of lubricating a bearing with liquid oil, which can effectively lubricate the bearing.

The technical scheme of the utility model is that the motor for lubricating the bearing by using the liquid oil comprises a base, a stator, a rotor and an oil supply assembly.

The mounting oil supply assemblies are provided with two groups, the two groups of mounting oil supply assemblies are respectively positioned at the front end and the rear end of the base, each mounting oil supply assembly comprises a bearing, an end cover, a framework oil seal and mounting assembly, an oil storage box, a communicating assembly and a plug, the bearings are sleeved on the rotors, the bearings are arranged on the end covers, the framework oil seal and the mounting assemblies are arranged on the end covers, the end covers are connected with the base, an oil inlet channel, an oil cavity and an oil outlet channel which are sequentially communicated are arranged on the end covers, the oil storage box is arranged at the top of the end covers, the oil storage box is communicated with the oil inlet channel, and the plugs are arranged at the oil outlet channel; the rotor is located the stator inboard, and the stator setting is in the frame.

Preferably, skeleton oil blanket and installation component include vice skeleton oil blanket, bearing cap, O shape circle and main skeleton oil blanket, and vice skeleton oil blanket sets up on the bearing cap, and the bearing cap setting is in end cover axial one end, and O shape circle sets up between bearing cap and end cover, and the setting of main skeleton oil blanket is at the axial other end of end cover.

Preferably, the bearing cover is connected with the end cover through a bolt a, and the end cover is connected with the engine base through a bolt b.

Preferably, the top of the oil storage box is provided with a breather valve.

Preferably, the oil inlet channel is an oil inlet channel b, the oil cavity is an oil cavity b, the oil outlet channel is an oil outlet channel b, and the oil inlet channel b and the oil outlet channel b are both vertically arranged.

Preferably, the oil inlet channel is an oil inlet channel a, the oil cavity is an oil cavity a, the oil outlet channel is an oil outlet channel a, the oil inlet channel a and the oil outlet channel a are both obliquely arranged, the oil storage box is communicated with the oil inlet channel a through a communicating assembly, the communicating assembly comprises a connector a, a hose and a connector b, and the oil storage box, the connector a, the hose, the connector b and the end cover are sequentially connected.

Preferably, the end of the rotor is provided with a fan blade and a clamp spring which are attached to each other, the base is provided with a fan cover, the fan blade faces the fan cover, and the fan blade and the clamp spring are both located on the inner side of the fan cover.

Compared with the prior art, the utility model has the following beneficial technical effects:

according to the utility model, the liquid lubricating liquid is added in the oil storage box, the liquidity is good, the lubrication is more sufficient, the liquid lubricating liquid can flow into the oil inlet channel under the action of gravity, so as to enter the oil cavity to lubricate the bearing at the oil cavity, the liquid lubricating liquid can be filled in the oil outlet channel, when the lubricating liquid needs to be discharged, the plug is opened, the operation is simple, the plug plays a role in plugging, and the function of conveniently maintaining the oil outlet channel is also played. After the bearing is lubricated, the rotating resistance is small, the service life is prolonged, and a roller bearing with better durability and bearing capacity can be selected. The liquid lubricating liquid is convenient and visual to add, excessive or insufficient addition is not needed, and the duty ratio of the lubricating liquid is automatically adjusted. The oil storage box automatically supplies liquid, filling is not needed for a long time, and stopping is not needed for filling, so that the service life of the bearing is greatly prolonged, and economic waste caused by damage of a motor bearing is avoided.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a sectional view of a flow path structure of a liquid lubricant according to an embodiment of the present invention;

FIG. 3 is an exploded view of the structure of an embodiment of the present invention;

FIG. 4 is a sectional view of another flow path structure of liquid lubricant according to an embodiment of the present invention.

Reference numerals: 1. a machine base; 2. a stator; 3. a rotor; 4. auxiliary framework oil seal; 5. a bearing cap; 51. an O-shaped ring; 6. a main framework oil seal; 7. a bearing; 8. an end cap; 801. an oil inlet channel a; 802. an oil chamber a; 803. an oil outlet channel a; 804. an oil inlet channel b; 805. an oil chamber b; 806. an oil outlet channel b; 9. an oil storage box; 10. a breather valve; 11. a joint a; 12. a hose; 13. a joint b; 14. a plug; 15. a fan blade; 16. a clamp spring; 17. a fan housing; 18. a bolt a; 19. and (b) a bolt.

Detailed Description

Example one

As shown in fig. 1-4, the motor for lubricating a bearing with liquid oil according to the present invention includes a base 1, a stator 2, a rotor 3, and an oil supply unit.

The mounting oil supply assemblies are provided with two groups, the two groups of mounting oil supply assemblies are respectively positioned at the front end and the rear end of the base 1, each mounting oil supply assembly comprises a bearing 7, an end cover 8, a framework oil seal and mounting assembly, an oil storage box 9, a communicating assembly and a plug 14, the bearing 7 is sleeved on the rotor 3, the bearing 7 is arranged on the end cover 8, the framework oil seal and mounting assembly are arranged on the end cover 8, the end cover 8 is connected with the base 1, the end cover 8 is provided with an oil inlet channel, an oil cavity and an oil outlet channel which are sequentially communicated, the oil storage box 9 is arranged at the top of the end cover 8, the oil storage box 9 is communicated with the oil inlet channel, and the plug 14 is arranged at the oil outlet channel; the rotor 3 is positioned inside the stator 2, and the stator 2 is arranged in the machine base 1.

In this embodiment, add liquid lubricated liquid in the oil storage box 9, the mobility is good, and is lubricated more abundant, and liquid lubricated liquid can flow into the oil feed passageway under the action of gravity to get into the oil pocket, lubricate the bearing 7 of oil pocket department, and liquid lubricated liquid can fill in oil outlet channel department, when the lubricated liquid of needs discharge, open end cap 14 can, easy operation, end cap 14 plays the shutoff effect, still plays the effect of conveniently maintaining oil outlet channel. After the bearing 7 is lubricated, the rotating resistance is small, the service life is prolonged, and a roller bearing with better durability and bearing capacity can be selected. The liquid lubricating liquid is convenient and visual to add, excessive or insufficient addition is not needed, and the duty ratio of the lubricating liquid is automatically adjusted. The oil storage box 9 automatically supplies liquid, filling is not needed for a long time, and stopping is not needed for filling, so that the service life of the bearing 7 is greatly prolonged, and economic waste caused by damage of a motor bearing is avoided.

Example two

Compared with the first embodiment, in the embodiment of the utility model, as shown in fig. 3, the framework oil seal and mounting assembly comprises the auxiliary framework oil seal 4, the bearing cover 5, the O-shaped ring 51 and the main framework oil seal 6, the auxiliary framework oil seal 4 is arranged on the bearing cover 5, the bearing cover 5 is arranged at one axial end of the end cover 8, the bearing cover 5 is connected with the end cover 8 through the bolt a18, the disassembly and assembly are convenient, the O-shaped ring 51 is arranged between the bearing cover 5 and the end cover 8, the sealing performance is ensured, and the main framework oil seal 6 is arranged at the other axial end of the end cover 8. The end cover 8 is connected with the machine base 1 through a bolt b19, so that the disassembly and the assembly are convenient.

EXAMPLE III

Compared with the first embodiment, in the present embodiment, as shown in fig. 4, the oil storage box 9 has a liquid level indicator, and the top of the oil storage box 9 is provided with a breather valve 10. Thereby ensuring the stability of the liquid lubricating fluid.

The oil inlet channel is an oil inlet channel b804, the oil cavity is an oil cavity b805, the oil outlet channel is an oil outlet channel b806, the oil inlet channel b804 and the oil outlet channel b806 are both vertically arranged, and the oil storage box 9 is directly communicated with the oil inlet channel b804 and used for supplying oil, so that the structure is simple.

Example four

The motor using liquid oil to lubricate the bearing provided by the utility model has the difference from the third embodiment shown in fig. 1-3, the oil inlet channel is an oil inlet channel a801, the oil cavity is an oil cavity a802, the oil outlet channel is an oil outlet channel a803, the oil inlet channel a801 and the oil outlet channel a803 are both obliquely arranged, and the oil storage box 9 is communicated with the oil inlet channel a801 through a communicating component. The communicating assembly comprises a joint a11, a hose 12 and a joint b13, the oil storage box 9, the joint a11, the hose 12, the joint b13 and the end cover 8 are connected in sequence, and liquid lubricating liquid can smoothly flow through the communicating assembly so as to lubricate the bearing 7 on the inner side of the oil cavity a 802.

EXAMPLE five

Compared with the first embodiment, in the present embodiment, as shown in fig. 3, the end of the rotor 3 is provided with the fan blade 15 and the snap spring 16, the base 1 is provided with the fan housing 17, the fan blade 15 faces the fan housing 17, the fan blade 15 and the snap spring 16 are both located inside the fan housing 17, and the rotor 3 drives the fan blade 15 to rotate, so as to accelerate the heat dissipation of the motor.

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

Claims

1. A motor using liquid oil to lubricate a bearing is characterized by comprising a base (1), a stator (2), a rotor (3) and an oil supply assembly;

the mounting oil supply assemblies are provided with two groups, the two groups of mounting oil supply assemblies are respectively positioned at the front end and the rear end of the base (1), each mounting oil supply assembly comprises a bearing (7), an end cover (8), a framework oil seal and a mounting assembly, an oil storage box (9), a communication assembly and a plug (14), the bearings (7) are sleeved on the rotor (3), the bearings (7) are arranged on the end covers (8), the framework oil seal and the mounting assemblies are arranged on the end covers (8), the end covers (8) are connected with the base (1), the end covers (8) are provided with an oil inlet channel, an oil cavity and an oil outlet channel which are sequentially communicated, the oil storage box (9) is arranged at the top of each end cover (8), the oil storage box (9) is communicated with the oil inlet channel, and the plugs (14) are arranged at the oil outlet channel; the rotor (3) is positioned at the inner side of the stator (2), and the stator (2) is arranged in the machine base (1).

2. The motor for lubricating the bearing with the liquid oil according to claim 1, wherein the framework oil seal and mounting assembly comprises an auxiliary framework oil seal (4), a bearing cover (5), an O-shaped ring (51) and a main framework oil seal (6), the auxiliary framework oil seal (4) is arranged on the bearing cover (5), the bearing cover (5) is arranged at one axial end of the end cover (8), the O-shaped ring (51) is arranged between the bearing cover (5) and the end cover (8), and the main framework oil seal (6) is arranged at the other axial end of the end cover (8).

3. A machine for lubricating bearings with liquid oil, according to claim 2, characterized in that the bearing cover (5) is connected to the end cover (8) by means of bolts a (18) and the end cover (8) is connected to the machine base (1) by means of bolts b (19).

4. A motor for lubricating bearings with liquid oil according to claim 1, characterized in that the top of the oil reservoir (9) is provided with a breather valve (10).

5. The motor for lubricating a bearing with liquid oil as claimed in claim 1, wherein the oil inlet passage is an oil inlet passage b (804), the oil cavity is an oil cavity b (805), the oil outlet passage is an oil outlet passage b (806), and the oil inlet passage b (804) and the oil outlet passage b (806) are both vertically arranged.

6. The motor for lubricating the bearing with the liquid oil as claimed in claim 1, wherein the oil inlet channel is an oil inlet channel a (801), the oil cavity is an oil cavity a (802), the oil outlet channel is an oil outlet channel a (803), the oil inlet channel a (801) and the oil outlet channel a (803) are both obliquely arranged, the oil storage box (9) is communicated with the oil inlet channel a (801) through a communicating assembly, the communicating assembly comprises a joint a (11), a hose (12) and a joint b (13), and the oil storage box (9), the joint a (11), the hose (12), the joint b (13) and the end cover (8) are sequentially connected.

7. The motor for lubricating a bearing with liquid oil as claimed in claim 1, wherein the end of the rotor (3) is provided with a fan blade (15) and a snap spring (16) which are attached to each other, the base (1) is provided with a fan housing (17), the fan blade (15) faces the fan housing (17), and the fan blade (15) and the snap spring (16) are both positioned inside the fan housing (17).