CN216842739U

CN216842739U - Device with high-efficient lubricated bearing

Info

Publication number: CN216842739U
Application number: CN202220095381.6U
Authority: CN
Inventors: 薛勇; 余骏; 徐俊峰
Original assignee: Jiangsu Magnet Valley Technologies Co ltd
Current assignee: Jiangsu Magnet Valley Technologies Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-06-28
Anticipated expiration: 2032-01-14

Abstract

The utility model belongs to the technical field of the lubricated technique of bearing and specifically relates to a device with high-efficient lubricated bearing, including frame, slide bearing oil-out, slide bearing oil inlet, inner bearing oil inlet, time oil cavity, inner bearing oil-out, slide bearing, inner bearing, external rotor, inner rotor, oil feed oil circuit and the oil circuit that produces oil. The inner bearing and the outer bearing of the device share an oil circuit, lubricating oil of the inner bearing is supplied by pressure oil of the outer bearing, when the outer rotor rotates, the oil returns to an oil return cavity by pressure during oil inlet and centrifugal force of the lubricating oil in an oil outlet loop, and the oil which circulates in a reciprocating manner well lubricates the bearings, so that the service life of the bearings is prolonged; the bearing is lubricated by circulating oil without stopping and oiling; the working temperature of the bearing is relatively stable during operation by adopting circulating oil lubrication; and the maintenance of the equipment is reduced by adopting the circulating oil to lubricate the bearing.

Description

Device with high-efficient lubricated bearing

Technical Field

The utility model belongs to the technical field of the lubricated technique of bearing and specifically relates to a device with high-efficient lubricated bearing.

Background

In the industrial field, the rotating body mainly adopts a bearing to rotate, the bearing is an important part in the modern mechanical equipment, is mainly used for determining the relative movement position of a rotating shaft and other parts and plays a role in supporting or guiding, the main function of the bearing is to support the mechanical rotating body so as to reduce the mechanical load friction coefficient of the equipment in the transmission process, and the bearing can be divided into a rolling bearing and a sliding bearing according to the difference of the friction properties of moving elements.

The bearing uses and can not leave the lubrication, and lubricated liquid can only lubricate the part alone in present slide bearing, and functional very singleness leads to no matter which kind of lubricating medium can direct influence the life of bearing.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: to solve the problems of the background art described above, an improved device with an efficient lubrication of bearings is provided.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a device with high-efficient lubricated bearing, includes frame, slide bearing oil-out, slide bearing oil inlet, inner bearing oil inlet, returns oil chamber, inner bearing oil-out, slide bearing, inner bearing, external rotor, inner rotor, oil feed oil circuit and the oil circuit that produces oil, the external rotor fix on the frame, the inner rotor passes through the bearing and fixes on the external rotor, the external rotor be provided with input shaft, inner bearing oil inlet, oil feed oil circuit, inner bearing oil-out, the oil circuit that produces oil, the inner rotor be provided with the output shaft.

The sliding bearing oil inlet is communicated with the interior of the inner bearing oil inlet through a first flow channel in the sliding bearing.

The inner side surface of the sliding bearing is positioned between the inner bearing oil inlet and the inner bearing oil outlet and is provided with an inner transmission groove matched with the inner bearing, and the inner bearing oil inlet is communicated with the inner bearing oil outlet through the inner transmission groove.

The oil outlet oil way is an inclined oil outlet channel gradually increasing from inside to outside, the inner bearing oil outlet is an inclined oil discharge hole gradually increasing from inside to outside, an opening at the outer side of the inner bearing oil outlet is communicated with the inside of the oil return cavity, and the bottom of the oil return cavity is communicated with the oil outlet of the sliding bearing through a second flow passage inside the sliding bearing.

The inner bearing oil outlet is of a circular structure, and the inner bearing oil inlets and the inner bearing oil outlets are arranged on the periphery of the inner bearing in an annular array mode.

The size and the structure of the input shaft and the output shaft are similar.

The utility model has the advantages that:

(1) the device with the high-efficiency lubricating bearing of the utility model has the advantages that the lubricating mode of the two rotating bodies is that the inner bearing and the outer bearing share the oil circuit, the lubricating oil of the inner bearing is supplied by the pressure oil of the outer bearing, the oil returns to the oil return cavity by the pressure difference of the oil outlet and the pressure during the oil inlet when the outer rotor rotates, the bearing is well lubricated by the oil circulating in a reciprocating way, and the service life of the bearing is prolonged;

(2) the bearing is lubricated by circulating oil without stopping and oiling;

(3) the working temperature of the bearing is relatively stable during operation by adopting circulating oil lubrication;

(4) and the maintenance of the equipment is reduced by adopting the circulating oil to lubricate the bearing.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an internal sectional view of the outer rotor of the present invention.

Figure 3 is the utility model discloses the cross-sectional view of well inner bearing oil inlet position.

Fig. 4 is a cross-sectional view of the position of the oil outlet of the inner bearing of the present invention.

Fig. 5 is a schematic structural view of an inner rotor in the present invention.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

Fig. 1 and 5 show a device with high-efficient lubricated bearing, including frame 1, slide bearing oil-out 2, slide bearing oil inlet 3, inner bearing oil inlet 4, return oil chamber 5, inner bearing oil-out 6, slide bearing 7, inner bearing 8, outer rotor 9, inner rotor 10, oil feed oil circuit 11 and oil circuit 12 that produces oil, outer rotor 9 fix on frame 1, inner rotor 10 passes through the bearing to be fixed on outer rotor 9, outer rotor 9 be provided with input shaft 91, inner bearing oil inlet 4, inner bearing oil-out 6, inner rotor 10 be provided with output shaft 101.

The input shaft 91 and the output shaft 101 have the same structure, and they may be replaced with each other as needed.

The sliding bearing oil inlet 3 is communicated with the inner part of the inner bearing oil inlet 4 through a first flow passage in the sliding bearing 7.

The inner side surface of the sliding bearing 7 is positioned between the inner bearing oil inlet 4 and the inner bearing oil outlet 6 and is provided with an inner transmission groove 81 matched with the inner bearing 8, and the inner bearing oil inlet 4 and the inner bearing oil outlet 6 are communicated through the inner transmission groove 81.

The oil return device is characterized in that the inner bearing oil outlet 6 is an inclined oil discharge hole gradually increasing from inside to outside, an opening on the outer side of the inner bearing oil outlet 6 is communicated with the inside of the oil return cavity 5, and the bottom of the oil return cavity 5 is communicated with the oil outlet of the sliding bearing 7 through a second flow passage inside the sliding bearing 7.

The structure increases the oil circuit structure for lubricating the inner bearing, eliminates the period of oil filling caused by the halt of the inner bearing, prolongs the service life of the bearing and increases the production efficiency.

An oil inlet hole and an oil outlet hole are arranged on a rotating shaft of the outer rotor 9, a bearing lubrication loop is formed by the oil inlet hole and the oil outlet hole through an inner bearing gap, and the oil inlet hole and the oil outlet hole are topological structures of bearing lubrication channels.

An oil inlet hole from the outside is arranged at the contact part of the rotating shaft of the outer rotor 9 and the bearing bush of the sliding bearing 7, the entering lubricating oil is divided into two paths of lubricating bearings, one path is used for lubricating the bearing bush of the sliding bearing to form an oil film, and the other path is used for entering the inner bearing track through the oil inlet hole on the rotating shaft of the outer rotor 9 to lubricate the inner bearing 8.

A working running clearance exists between a rotating shaft of the outer rotor 9 and a bearing bush of the sliding bearing 7, one path of lubricating oil flows into the oil return cavity through the working clearance of the sliding bearing 7, the other path of lubricating oil flows into the oil return cavity 5 after passing through the inner bearing 8, the oil return cavity 5 is used by two paths of oil together, and the oil in the oil return cavity 5 flows into the thin oil station through a pipeline for recycling.

As shown in fig. 3 and 4, the inner section of the inner bearing oil outlet 6 is a circular structure, and the inner bearing oil inlets 4 and the inner bearing oil outlets 6 are arranged on the periphery of the inner bearing 8 in an annular array manner.

The input shaft 91 is similar in size and configuration to the output shaft 101.

The inner and outer rotors transmit torque to each other through magnetic fields or other mechanical forms. The outer rotor 9 is fixed on the machine base through a bearing, the bearing adopts a sliding bearing 7 (a rolling bearing), and the inner rotor 10 is fixed on an externally rotating rotor through a bearing. The sliding bearing 7 is lubricated by forced thin oil, the lubricating oil enters the sliding bearing 7 and is divided into two oil paths, one path is supplied to a bearing bush of the external sliding bearing 7, and the other path is supplied to the internal bearing 8 for lubrication. The device is suitable for various mechanical fields of mutual rotation of the double rotors. Has important significance for prolonging the service life of the bearing.

The device with the high-efficiency lubricating bearing of the utility model has the lubricating mode that the inner bearing and the outer bearing share the oil circuit, the lubricating oil of the inner bearing 8 is supplied by the pressure oil of the outer bearing, when the outer rotor 9 rotates, the oil returns to the oil return cavity 5 by the pressure difference of the oil outlet 6 of the inner bearing and the pressure during oil inlet, the oil which circulates in a reciprocating way leads the bearing to be well lubricated, and the service life of the bearing is prolonged; the bearing is lubricated by circulating oil without stopping and oiling; the working temperature of the bearing is relatively stable during operation by adopting circulating oil lubrication; and the maintenance of the equipment is reduced by adopting the circulating oil to lubricate the bearing.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a device with high-efficient lubricated bearing, includes frame (1), slide bearing oil-out (2), slide bearing oil inlet (3), inner bearing oil inlet (4), returns oil chamber (5), inner bearing oil-out (6), slide bearing (7), inner bearing (8), outer rotor (9), inner rotor (10), oil feed oil circuit (11) and play oil circuit (12), characterized by: the outer rotor (9) is fixed on the engine base (1), the inner rotor (10) is fixed on the outer rotor (9) through a bearing, the outer rotor (9) is provided with an input shaft (91), an inner bearing oil inlet (4) and an inner bearing oil outlet (6), and the inner rotor (10) is provided with an output shaft (101).

2. An apparatus having a high efficiency lubricated bearing according to claim 1 wherein: the sliding bearing oil inlet (3) is communicated with the interior of the inner bearing oil inlet (4) through an inner channel of the sliding bearing (7).

3. An apparatus having a high efficiency lubricated bearing according to claim 1 wherein: an oil inlet oil path (11) is formed in the inner side face of the sliding bearing (7) and located between the inner bearing oil inlet (4) and the inner bearing (8), an oil outlet oil path (12) is formed between the inner bearing (8) and the inner bearing oil outlet (6), and the inner bearing oil outlet (6) is communicated with the oil return cavity (5).

4. An apparatus having a high efficiency lubricated bearing according to claim 1 wherein: the oil outlet oil path (12) is an inclined oil outlet channel which gradually increases from inside to outside.

5. An apparatus having a high efficiency lubricated bearing according to claim 1 wherein: the number of the inner bearing oil inlets (4) and the number of the inner bearing oil outlets (6) can be 1, and the number of the inner bearing oil inlets (4) and the number of the inner bearing oil outlets (6) can also be increased according to the oil quantity, and the inner bearing oil inlets (4) and the inner bearing oil outlets (6) are arranged on the periphery of the inner bearing (8) in an annular array mode.

6. An apparatus having a high efficiency lubricated bearing according to claim 1 wherein: the input shaft (91) and the output shaft (101) are similar in size and structure.