CN214506758U

CN214506758U - Efficient permanent magnet motor equipment based on oil cooling

Info

Publication number: CN214506758U
Application number: CN202120493552.6U
Authority: CN
Inventors: 丁晓静; 蒋思蕾
Original assignee: Suzhou Chaosi Muxue Intelligent Technology Co ltd
Current assignee: Suzhou Chaosi Muxue Intelligent Technology Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-10-26
Anticipated expiration: 2031-03-09

Abstract

The utility model discloses a high-efficient permanent-magnet machine equips based on oil cooling, including motor body, motor body's the supplementary transmission device of one end fixedly connected with, motor body includes first end cover, casing, oil trap, cooling runner, stator, rotor, axis of rotation and bearing, first end cover fixed connection is served at the casing, stator fixed connection is in the inside of casing, the inside top at the casing is seted up to the cooling runner symmetry, the oil trap is seted up in the inside bottom of casing, the rotor rotates the inside center of connecting at the stator, axis of rotation fixed mounting is at the inside center of rotor, bearing symmetry fixed mounting is on the both ends of axis of rotation, supplementary transmission device includes the oil scraper ring, connects oil pipe, supplementary feeding pipe and second end cover. The utility model discloses a cooperation is used between motor body and the supplementary transmission device, can lubricate the work to inside bearing when reducing the inside temperature of motor.

Description

Efficient permanent magnet motor equipment based on oil cooling

Technical Field

The utility model relates to an energy-efficient motor cooling technology field specifically is a high-efficient permanent-magnet machine equips based on oil is cold.

Background

The motor is generally by the rotor, the stator, the apparatus further comprises a rotating shaft, radiator fan and casing are constituteed, the rotor can produce a large amount of heats at rotatory in-process, the heat of production mainly gives off through radiator fan and shell, this kind of radiating mode is better to the outward appearance radiating effect of motor, but to the inside high heat-generating part of motor, such as rotor, pivot and bearing, the heat that these parts produced is hardly distributed away, and simultaneously, in order to increase the lubricated effect between pivot and the bearing, need unscheduled bearing to the pivot to add lubricating oil, because the bearing is installed in the casing, consequently, hardly add.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient permanent-magnet machine equips based on oil is cold to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an efficient permanent magnet motor device based on oil cooling comprises a motor body, wherein one end of the motor body is fixedly connected with an auxiliary transmission device, the motor body comprises a first end cover, a casing, an oil collecting groove, a cooling flow channel, a stator, a rotor, a rotating shaft and bearings, the first end cover is fixedly connected to one end of the casing, the stator is fixedly connected to the inside of the casing, the cooling flow channel is symmetrically arranged at the top end of the inside of the casing, the oil collecting groove is arranged at the bottom end of the inside of the casing, the rotor is rotatably connected to the center of the inside of the stator, the rotating shaft is fixedly arranged at the center of the inside of the rotor, the bearings are symmetrically and fixedly arranged at two ends of the rotating shaft, the auxiliary transmission device comprises an oil retainer, a connecting oil pipe, an auxiliary feeding pipe and a second end cover, the connecting oil pipe is fixedly connected to the center of the inner side of the second end cover, the auxiliary feeding pipe is symmetrically and fixedly connected to two ends of the connecting oil pipe, the oil retainer ring is fixedly connected to the center of the inner side of the second end cover, and is positioned on the outer ring of the connecting oil pipe.

Preferably, the cooling flow channel is a circuitous groove extending from the top to the bottom of the inner wall of the casing.

Preferably, the oil deflector ring is sleeved outside the bearing, and the width of the oil deflector ring is larger than that of the bearing.

Preferably, the center of axis of rotation is equipped with the oil duct along its axis direction, and the one end of oil duct is the blind end, and the other end is the open end, just the both ends lateral wall of axis of rotation has run through respectively has oil outlet, and oil outlet is close to the bearing and communicates with the oil duct.

Preferably, an oil discharge hole communicated with the oil collecting groove is formed in the bottom end of the inner portion of the second end cover.

Preferably, an oil filling port communicated with the cooling flow passage is formed in the top wall of the casing.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model has the advantages that the rotating shaft is fixedly arranged in the motor body, the lubricating holes are arranged in the rotating shaft, grease can be added from the top end of the motor body, the grease can flow out from the inside of the rotating shaft, the buckle device is fixedly connected with the inside of the auxiliary transmission device, the grease in the motor body can flow into the buckle device in the auxiliary transmission device, the grease can be prevented from splashing outwards from the rotating shaft by fixing the buckle device on the rotating shaft, the transmission pipe is fixedly connected with the inside of the auxiliary transmission device and can be connected with the rotating shaft in the motor body, the grease can flow into the rotating shaft through the auxiliary transmission device, the internal cooling can be realized, the accommodating groove is arranged in the motor body, and the grease in the auxiliary transmission device can be collected into the accommodating groove, excessive accumulation of grease inside the auxiliary transmission device is avoided.

Drawings

FIG. 1 is a schematic view of the main body of the present invention;

fig. 2 is a schematic structural view of the motor body of the present invention;

fig. 3 is a schematic structural view of the auxiliary transmission device of the present invention.

In the figure: 1-a motor body, 2-an auxiliary transmission device, 3-a first end cover, 4-a machine shell, 5-an oil collecting tank, 6-a cooling flow channel, 7-a stator, 8-a rotor, 9-a rotating shaft, 10-a bearing, 11-an oil retainer, 12-a connecting oil pipe, 13-an auxiliary feeding pipe and 14-a second end cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: an efficient permanent magnet motor device based on oil cooling comprises a motor body 1, wherein one end of the motor body 1 is fixedly connected with an auxiliary transmission device 2, the motor body 1 comprises a first end cover 3, a machine shell 4, an oil collecting tank 5, a cooling flow channel 6, a stator 7, a rotor 8, a rotating shaft 9 and a bearing 10, the first end cover 3 is fixedly connected to one end of the machine shell 4, the stator 7 is fixedly connected to the inside of the machine shell 4, the cooling flow channel 6 is symmetrically arranged at the top end of the inside of the machine shell 4, the oil collecting tank 5 is arranged at the bottom end of the inside of the machine shell 4, the rotor 8 is rotatably connected to the center of the inside of the stator 7, the rotating shaft 9 is fixedly arranged at the center of the inside of the rotor 8, the bearing 10 is symmetrically and fixedly arranged at two ends of the rotating shaft 9, the auxiliary transmission device 2 comprises an oil baffle ring 11, a connecting oil pipe 12, an auxiliary feeding pipe 13 and a second end cover 14, the connecting oil pipe 12 is fixedly connected to the center of the inner side of the second end cover 14, the auxiliary feeding pipe 13 is symmetrically and fixedly connected to two ends of the connecting oil pipe 12, the oil slinger 11 is fixedly connected to the center of the inner side of the second end cover 14, and the oil slinger 11 is positioned on the outer ring of the connecting oil pipe 12.

Cooling flow channel 6 is the circuitous recess of casing inner wall's top to bottom extension, oil slinger 11 overlaps outside bearing 10, and oil slinger 11's width is greater than bearing 10's width, the center of axis of rotation 9 is equipped with the oil duct along its axis direction, the one end of oil duct is the blind end, the other end is the open end, and the both ends lateral wall of axis of rotation 9 runs through respectively has the oil outlet, the oil outlet is close to the bearing and communicates with the oil duct, the oil drain hole with the oil trap intercommunication is seted up to the inside bottom of second end cover 14, the oil filler point with cooling flow channel 6 intercommunication is seted up to the roof of casing 4.

The working principle is as follows: when the cooling oil cooling device is used, the cooling oil can flow into the cooling flow passage 6 from the oil filling port at the top end of the shell 4, at the moment, the cooling oil can flow to the auxiliary feeding pipe 13 along the cooling flow passage 6, when the cooling oil flows downwards, the cooling oil in the cooling flow passage 6 can play a cooling role on the stator 7, then the cooling oil flows to the oil channel at the center of the rotating shaft 9 through the auxiliary feeding pipe 13, so that the rotor 8 and the rotating shaft 9 can be cooled through the cooling oil, when the rotating shaft 9 rotates, the cooling oil in the oil channel is thrown out along the oil outlet hole, part of the thrown cooling oil permeates between the rotating shaft 9 and the bearing 10, so that the rotating shaft 9 and the bearing 10 can be lubricated and cooled, and then the cooling oil flows downwards under the action of gravity, an oil discharge hole matched with the oil collecting tank 5 is formed at the bottom end in the second end cover 14, so that the cooling oil can flow into the oil collecting tank 5 through the oil discharge port, the whole cooling work is completed, and the cooling oil finally enters the oil collecting tank 5 after sequentially passing through the cooling flow channel 6, the auxiliary feeding pipe 13 and the connecting oil pipe 12 in the machine shell 4, so that the cooling oil can well bring out heat generated by the stator 7, the rotor 8 and the bearing 10 in the machine shell 4, meanwhile, the cooling oil can well lubricate the bearing 10, the heat generation is reduced, and the service life of the bearing 10 is prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-efficient permanent-magnet machine equips based on oil cooling, includes motor body (1), its characterized in that: the auxiliary transmission device comprises a motor body (1), wherein one end of the motor body (1) is fixedly connected with an auxiliary transmission device (2), the motor body (1) comprises a first end cover (3), a casing (4), an oil collecting groove (5), a cooling flow channel (6), a stator (7), a rotor (8), a rotating shaft (9) and a bearing (10), the first end cover (3) is fixedly connected to one end of the casing (4), the stator (7) is fixedly connected to the inside of the casing (4), the cooling flow channel (6) is symmetrically arranged at the top end of the inside of the casing (4), the oil collecting groove (5) is arranged at the bottom end of the inside of the casing (4), the rotor (8) is rotatably connected to the center of the inside of the stator (7), the rotating shaft (9) is fixedly arranged at the center of the inside of the rotor (8), the bearing (10) is symmetrically and fixedly arranged at two ends of the rotating shaft (9), and the auxiliary transmission device (2) comprises an oil baffle ring (11), The oil pipe connecting structure comprises a connecting oil pipe (12), an auxiliary feeding pipe (13) and a second end cover (14), wherein the connecting oil pipe (12) is fixedly connected to the center of the inner side of the second end cover (14), the auxiliary feeding pipe (13) is symmetrically and fixedly connected to the two ends of the connecting oil pipe (12), an oil retainer ring (11) is fixedly connected to the center of the inner side of the second end cover (14), and the oil retainer ring (11) is located on the outer ring of the connecting oil pipe (12).

2. The oil-cooling-based high-efficiency permanent magnet motor equipment as claimed in claim 1, wherein: the cooling flow channel (6) is a circuitous groove extending from the top to the bottom of the inner wall of the shell.

3. The oil-cooling-based high-efficiency permanent magnet motor equipment as claimed in claim 1, wherein: the oil slinger (11) is sleeved outside the bearing (10), and the width of the oil slinger (11) is larger than that of the bearing (10).

4. The oil-cooling-based high-efficiency permanent magnet motor equipment as claimed in claim 1, wherein: the center of axis of rotation (9) is equipped with the oil duct along its axis direction, and the one end of oil duct is the blind end, and the other end is the open end, just the both ends lateral wall of axis of rotation (9) has run through respectively has the oil outlet, and the oil outlet is close to the bearing and communicates with the oil duct.

5. The oil-cooling-based high-efficiency permanent magnet motor equipment as claimed in claim 1, wherein: and an oil discharge hole communicated with the oil collecting tank is formed in the bottom end of the inner part of the second end cover (14).

6. The oil-cooling-based high-efficiency permanent magnet motor equipment as claimed in claim 1, wherein: and an oil filling port communicated with the cooling flow passage (6) is formed in the top wall of the shell (4).