CN116937871A - Water-cooled motor - Google Patents

Water-cooled motor Download PDF

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Publication number
CN116937871A
CN116937871A CN202310939476.0A CN202310939476A CN116937871A CN 116937871 A CN116937871 A CN 116937871A CN 202310939476 A CN202310939476 A CN 202310939476A CN 116937871 A CN116937871 A CN 116937871A
Authority
CN
China
Prior art keywords
water
inner sleeve
end cover
cooling water
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310939476.0A
Other languages
Chinese (zh)
Inventor
张明
高长林
周泽辉
陈进光
王志垚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuan City Mindong Able Electric Motor Co ltd
Shanghai Wave Intelligent Control Equipment Ltd By Share Ltd
ABLE ELECTRIC (NINGDE) CO LTD
Original Assignee
Fuan City Mindong Able Electric Motor Co ltd
Shanghai Wave Intelligent Control Equipment Ltd By Share Ltd
ABLE ELECTRIC (NINGDE) CO LTD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fuan City Mindong Able Electric Motor Co ltd, Shanghai Wave Intelligent Control Equipment Ltd By Share Ltd, ABLE ELECTRIC (NINGDE) CO LTD filed Critical Fuan City Mindong Able Electric Motor Co ltd
Priority to CN202310939476.0A priority Critical patent/CN116937871A/en
Publication of CN116937871A publication Critical patent/CN116937871A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

The utility model relates to the field of motors, in particular to a water-cooled motor, which comprises a water-cooled shell, wherein the water-cooled shell comprises an inner sleeve and an outer shell, the inner sleeve and the outer shell are coaxially arranged in an inner shell, the outer wall of the inner sleeve is tightly attached to the inner wall of the outer shell, the outer wall of the inner sleeve is provided with a cooling water flow passage which is arranged in an S shape, and the cooling water flow passage is perpendicular to the axis of the inner sleeve. The water-cooled motor provided by the utility model has stronger heat conduction capability, high heat dissipation efficiency and high cooling speed, is beneficial to improving the uniformity of heat dissipation, can reduce vibration in the running process of the motor through experimental measurement of the circumferential foldback type cooling flow channel, has better noise reduction capability, can further reduce noise generated when the motor works, is more reasonable in structural arrangement and better in reliability, is beneficial to reducing the volume of the motor, further saves space, and prolongs the service life of the motor shell and simultaneously reduces the manufacturing cost.

Description

Water-cooled motor
Technical Field
The utility model relates to the field of motors, in particular to a water-cooled motor.
Background
The common motors in the current market comprise a totally-enclosed self-fan cooling type motor and a water-cooling type motor, wherein a cooling medium of the totally-enclosed self-fan cooling type motor is air, and the air is driven to flow through a fan blade of a motor tail shaft, so that heat transferred to a shell inside the motor is taken away. The disadvantage of the totally-enclosed self-fan cooling motor is that the totally-enclosed self-fan cooling motor generates fan blade noise during operation, special fan blades can reduce the wind noise, but cannot be used radically, so that the totally-enclosed self-fan cooling motor is inconvenient to use in an environment requiring silence, the fan blades also generate wind friction loss during operation, the loss can reduce the efficiency of the motor, the fan blades are arranged at the tail end of a motor shaft and also need a fan housing for protection, a certain space is occupied, the overall size of the motor is increased by the fan blades and the fan housing, and the temperature rise of the motor is reduced to a greater extent due to limited heat transfer capacity, so that the output of the motor is improved. The water-cooled motor adopts water as a cooling medium, so that the motor has the characteristics of silence and lower manufacturing cost, and is widely applied. The traditional cooling flow channel of the water-cooled motor has certain defects in arrangement, so that the cooling efficiency is slower and the cooling uniformity is poorer.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the water-cooled motor is high in cooling efficiency and good in cooling uniformity.
In order to solve the technical problems, the utility model adopts the following technical scheme: the water-cooled motor comprises a water-cooled shell, wherein the water-cooled shell comprises an inner sleeve and an outer shell, the inner sleeve and the outer shell are coaxially arranged in an inner shell mode, the outer wall of the inner sleeve is tightly attached to the inner wall of the outer shell, the outer wall of the inner sleeve is provided with a cooling water flow channel which is arranged in an S shape, and the cooling water flow channel is perpendicular to the axis of the inner sleeve.
Further, the housing is provided with a cooling water inlet and a cooling water outlet communicated with the cooling water flow passage.
Further, the cross-sectional area of the cooling water flow passage is gradually increased from one end close to the cooling water inlet to one end of the cooling water outlet.
Further, the cooling water flow passage comprises a first flow passage and a second flow passage, the outer wall of the inner sleeve comprises a first cambered surface and a second cambered surface which are symmetrically arranged relative to the plane where the axis is located, the first flow passage is arranged on the first cambered surface in an S shape, and the second flow passage is arranged on the second cambered surface in an S shape.
Further, the cooling water inlet comprises a first water inlet and a second water inlet, the cooling water outlet comprises a first water outlet and a second water outlet, the first water inlet and the first water outlet are communicated with the first flow channel, and the second water inlet and the second water outlet are communicated with the second flow channel.
Further, the first water inlet and the second water outlet are positioned at one end of the inner sleeve along the axis, and the first water outlet and the second water inlet are positioned at the other end of the inner sleeve along the axis.
Further, a sealing ring is arranged between the inner sleeve and the outer shell.
Further, the motor further comprises a stator and a rotor, wherein the stator is coaxially embedded in the inner sleeve, and the rotor is coaxially arranged in the stator.
Further, the motor rotor is characterized by further comprising a front end cover and a rear end cover, wherein the front end cover and the rear end cover are respectively clamped with two ends of the inner sleeve, and the front end cover and the rear end cover are respectively provided with a bearing cavity for installing the rotor.
Further, an oil inlet channel and an oil outlet channel are arranged between the inner sleeve and the stator, the oil inlet channel is respectively communicated with the bearing cavities of the front end cover and the rear end cover, the oil outlet channel is respectively communicated with the bearing cavities of the front end cover and the rear end cover, and the front end cover is provided with an oil collecting tank connected with the oil inlet channel and an oil drain hole connected with the oil outlet channel.
The utility model has the beneficial effects that: the shell comprises an inner sleeve and an outer shell which are assembled by splicing and press fitting, wherein a cooling water circulation groove is formed in the inner sleeve, a cooling water flow passage is formed between the inner sleeve and the outer shell, the cooling water flow passage is designed to be in an S-shaped arrangement structure along the circumferential turning-back and encircling direction of the inner sleeve in the axial direction, compared with a flow passage structure parallel to an axis, the cooling water flow passage has stronger heat conducting capacity, high heat radiating efficiency and high cooling speed, meanwhile, the cooling water flow passage is beneficial to improving the heat radiating uniformity, the circumferential turning-back type cooling flow passage is tested through experiments, the vibration in the running process of the motor can be reduced, the noise reduction capacity is better, the noise generated during the working of the motor can be further reduced, the structural arrangement is more reasonable, the reliability is better, the size of the motor is reduced, the space is further saved, the service life of the motor shell is prolonged, and the manufacturing cost is reduced.
Drawings
FIG. 1 is a schematic diagram of a water-cooled motor;
FIG. 2 is a cross-sectional view of a water-cooled motor;
FIG. 3 is a schematic structural view of the inner sleeve;
FIG. 4 is a schematic structural view of the front end cover;
description of the reference numerals:
1. a water-cooled shell; 11. An inner sleeve; 111. A cooling water flow passage; 12. A housing; 121. A cooling water inlet; 122. A cooling water outlet; 13. A seal ring; 2. A stator; 3. A rotor; 4. A front end cover; 41. A bearing cavity; 42. A pressing plate; 5. And a rear end cover.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
The utility model provides a water-cooled motor which is applied to a water-cooled motor product.
Referring to fig. 1 to 4, a water-cooled motor of the present utility model includes a water-cooled housing 1, the water-cooled housing 1 includes an inner sleeve 11 and an outer shell 12, the inner sleeve 11 and the outer shell 12 are coaxially disposed in the inner shell 12, an outer wall of the inner sleeve 11 is closely attached to an inner wall of the outer shell 12, an S-shaped cooling water channel 111 is disposed on an outer wall of the inner sleeve 11, and the cooling water channel 111 is perpendicular to an axis of the inner sleeve 11.
From the above description, the beneficial effects of the utility model are as follows: the shell comprises an inner sleeve 11 and an outer shell 12 which are assembled by splicing and press fitting, wherein a cooling water circulation groove is formed in the inner sleeve 11, a cooling water flow channel 111 is formed between the inner sleeve 11 and the outer shell 12, the cooling water flow channel 111 is designed to be of an S-shaped structure which is folded and encircled along the circumferential direction of the inner sleeve 11 and is arranged in the axial direction, compared with a flow channel structure parallel to an axis, the cooling motor has stronger heat conduction capacity, high heat dissipation efficiency and high cooling speed, meanwhile, the uniformity of heat dissipation is improved, the circumferential folding type cooling flow channel is measured through experiments, the vibration in the running process of the motor can be reduced, the noise reduction capacity is better, the noise generated during the working of the motor can be further reduced, the structural arrangement is more reasonable, the reliability is better, the size of the motor is reduced, the space is further saved, and the manufacturing cost is reduced while the service life of the motor shell is prolonged.
In an alternative embodiment, the housing 12 is provided with a cooling water inlet 121 and a cooling water outlet 122 communicating with the cooling water flow channel 111.
As can be seen from the above description, the cooling water enters each cooling water flow passage 111 through the cooling water inlet 121 and is finally discharged through the cooling water outlet 122.
In an alternative embodiment, the cross-sectional area of the cooling water flow channel 111 increases gradually from the end near the cooling water inlet 121 to the end of the cooling water outlet 122.
As is apparent from the above description, the increase in the cross section of the cooling water flow passage 111 decreases the flow rate, thereby extending the heat absorption time of the cooling water and improving the cooling effect.
In an alternative embodiment, the cooling water flow channel 111 includes a first flow channel and a second flow channel, the outer wall of the inner sleeve 11 includes a first arc surface and a second arc surface that are symmetrically disposed with respect to a plane where the axis is located, the first flow channel is disposed on the first arc surface in an S-shape, and the second flow channel is disposed on the second arc surface in an S-shape.
As can be seen from the above description, the cooling water channel 111 is divided into a first channel and a second channel, and the two channels are respectively located on two arc-shaped circumferential side walls of the upper half of the inner sleeve 11, which is more advantageous to improve the uniformity of the cooling effect than the integral channel.
In an alternative embodiment, the cooling water inlet 121 includes a first water inlet and a second water inlet, and the cooling water outlet 122 includes a first water outlet and a second water outlet, the first water inlet and the first water outlet being in communication with the first flow path, and the second water inlet and the second water outlet being in communication with the second flow path.
From the above description, the double channels are connected with different circulating pipelines, which is beneficial to ensuring the control of cooling temperature and improving the cooling efficiency.
In an alternative embodiment, the first water inlet and the second water outlet are located at one end of the inner sleeve 11 along the axis, and the first water outlet and the second water inlet are located at the other end of the inner sleeve 11 along the axis.
From the above description, the double flow channels adopt opposite flow direction designs, the cooling effects on the two arc-shaped circumferential side walls of the motor halves are opposite, and the sections with high cooling efficiency of the first flow channel and the sections with low cooling efficiency of the second flow channel are complementary, so that the uniformity of the overall cooling effect is improved.
In an alternative embodiment, a sealing ring 13 is provided between the inner sleeve 11 and the outer shell 12.
From the above description, the seal ring 13 plays a role of improving the mating tightness of the two.
In an alternative embodiment, the motor further comprises a stator 2 and a rotor 3, wherein the stator 2 is coaxially embedded in the inner sleeve 11, and the rotor 3 is coaxially arranged in the stator 2.
In an alternative embodiment, the rotor comprises a front end cover 4 and a rear end cover 5, wherein the front end cover 4 and the rear end cover 5 are respectively clamped with two ends of the inner sleeve 11, and the front end cover 4 and the rear end cover 5 are respectively provided with a bearing cavity 41 for installing the rotor 3.
In an alternative embodiment, an oil inlet channel and an oil outlet channel are arranged between the inner sleeve 11 and the stator 2, the oil inlet channel is respectively communicated with the bearing cavities 41 of the front end cover 4 and the rear end cover 5, the oil outlet channel is respectively communicated with the bearing cavities 41 of the front end cover 4 and the rear end cover 5, and the front end cover 4 is provided with an oil collecting tank connected with the oil inlet channel and an oil drain hole connected with the oil outlet channel.
As is apparent from the above description, the bearing lubrication passage is provided with an oil groove communicating with the oil inlet passage at a position corresponding to the oil inlet passage on the outer side surface of the front end cover 4, and the front end cover 4 is provided with an oil inlet passage at a position located between the oil inlet passage and the oil collecting sump. The rear end cover 5 is provided with a rear end cover 5 oil channel which is communicated with the oil inlet channel, the rear end cover 5 bearing cavity 41 and the oil outlet channel along the radial direction. After the liquid level of the oil groove rises, the lubricating oil is divided into two paths through the oil inlet passage, one path of the lubricating oil flows to the rear end cover 5 bearing through the oil inlet passage and the rear end cover 5 oil passage on the side, then flows into the oil outlet passage through the rear end cover 5 oil passage on the other side, the other path of lubricating oil flows into the oil outlet passage through the front end cover 4 bearing, and finally the lubricating oil flows out from the oil drain hole on the front end cover 4.
Referring to fig. 1 to 4, a first embodiment of the present utility model is as follows: the water-cooled motor comprises a water-cooled shell 1, wherein the water-cooled shell 1 comprises an inner sleeve 11 and an outer sleeve 12, the inner sleeve 11 and the outer sleeve are formed by casting aluminum alloy or stainless steel, the inner sleeve 11 and the outer sleeve 12 are coaxially arranged in the inner sleeve 12, the outer wall of the inner sleeve 11 is tightly attached to the inner wall of the outer sleeve 12, cooling water flow channels 111 which are arranged in an S shape are cast on the outer wall of the inner sleeve 11, the cooling water flow channels 111 are perpendicular to the axis of the inner sleeve 11, the cooling water flow channels 111 are arranged in parallel along the axial fixed interval width, and two adjacent cooling water flow channels 111 are communicated end to end.
The housing 12 is provided with a cooling water inlet 121 and a cooling water outlet 122 communicating with the cooling water flow passage 111. The cross-sectional area of the cooling water flow passage 111 increases gradually from one end near the cooling water inlet 121 to one end of the cooling water outlet 122. Referring to fig. 3, the cooling water channel 111 includes a first channel and a second channel, the outer wall of the inner sleeve 11 includes a first arc surface and a second arc surface that are symmetrically arranged with respect to a plane where the axis is located, the first channel is S-shaped and arranged on the first arc surface, and the second channel is S-shaped and arranged on the second arc surface. The cooling water inlet 121 includes a first water inlet and a second water inlet, and the cooling water outlet 122 includes a first water outlet and a second water outlet, the first water inlet and the first water outlet being in communication with the first flow path, and the second water inlet and the second water outlet being in communication with the second flow path. The first water inlet and the second water outlet are positioned at one end of the inner sleeve 11 along the axis, and the first water outlet and the second water inlet are positioned at the other end of the inner sleeve 11 along the axis. The inner sleeve 11 and the outer sleeve are assembled together by a press-fitting process, and the two ends are sealed by a sealing ring 13 or a welding process, and in the embodiment, the sealing ring 13 is arranged between the inner sleeve 11 and the outer shell 12, so that the water channel is reliably isolated from the outside of the shell, and the pressure of cooling circulating water can be borne without leakage.
The motor further comprises a stator 2 and a rotor 3, wherein the stator 2 is coaxially embedded in the inner sleeve 11, and the rotor 3 is coaxially arranged in the stator 2. The motor rotor structure further comprises a front end cover 4 and a rear end cover 5, wherein the front end cover 4 is a mounting surface of the motor, the rear end cover 5 is a blind cover, the front end cover 4 and the rear end cover 5 are respectively clamped with two ends of the inner sleeve 11, and the front end cover 4 and the rear end cover 5 are respectively provided with a bearing cavity 41 for mounting the rotor 3. One end of the rotor 3 is supported in a front end cover 4 bearing cavity 41 of the front end cover 4 through a front end cover 4 bearing and extends out of the front end cover 4, the other end of the rotor 3 is supported in a rear end cover 5 bearing cavity 41 of the rear end cover 5 through a rear end cover 5 bearing, and the stator 2 is fixedly connected with the inner side wall of the inner sleeve 11. The end caps are fitted to the end faces of the housing 12, and the housing 12 is provided with end cap seal rings 13 on the end faces and facing the front and rear end caps 5. The front end cover 4 is provided with through holes on the periphery, and is fastened and installed with a threaded hole of the shell 12, and an end cover sealing ring 13 is arranged at the joint surface of the front end cover 4 and the shell 12. The rear end cap 5 is fitted to an end face of the housing 12, and the housing 12 is provided with a rear end cap 5 seal ring 13 on the end face and facing the rear end cap 5. The front end cover 4 is provided with a mounting hole and a spigot on one side facing outwards, and is linked with an external connecting piece to form a complete motor shell. An oil inlet channel and an oil outlet channel are arranged between the inner sleeve 11 and the stator 2, the oil inlet channel is respectively communicated with the bearing cavities 41 of the front end cover 4 and the rear end cover 5, the oil outlet channel is respectively communicated with the bearing cavities 41 of the front end cover 4 and the rear end cover 5, and the front end cover 4 is provided with an oil collecting tank connected with the oil inlet channel and an oil drain hole connected with the oil outlet channel. The front end cover 4 is of an open structure, and adopts splash oil collection to collect lubricating oil in an oil tank outside the motor. The lubricating oil is divided into two oil ways in the front end cover 4, and one oil way is led into the front bearing chamber to lubricate the front bearing; the other path is led into the rear bearing chamber through an oil duct arranged in the shell and the rear end cover 5 to lubricate the rear bearing. After lubricating oil flows through the front bearing and the rear bearing and lubricates the bearings, the lubricating oil flows back into the oil tank from the front bearing chamber and the rear bearing chamber through specially designed oil return channels under the action of gravity, so that a closed circulation loop of the lubricating oil flow channels of the bearings is formed, lubrication of the front bearing and the rear bearing is realized, and the reliability of long-term operation of the bearings is ensured. In this embodiment, the oil inlet passage is formed in the middle of the height direction of the housing 12, and the oil outlet passage is formed at the bottom of the height direction of the housing 12.
Referring to fig. 1 to 4, the second embodiment of the present utility model is different from the first embodiment in that: the front bearing pressing plate 42 and a front bearing are also included, and the front bearing pressing plate 42 is fixedly connected with the front end cover 4 through screws; the rear bearing is positioned with the end cover bearing chamber through the shaft shoulder of the rotating shaft.
In summary, the water-cooled motor provided by the utility model has the following advantages: low noise, and can be used in closed or quiet living and working environments. The motor vibrates less and runs quieter. The heat conduction capacity is strong, the cooling effect is good, the temperature rise is low, and the heat can be transferred to the outside of the motor in two heat exchanges by being matched with a circulating cooling water system, so that the rapid heat transfer is realized. Compact structure, small volume and space saving. The oil lubrication system ensures the service life of the bearing, is more reliable in operation, is maintenance-free, and can automatically collect oil, convey and lubricate. The whole machine is sealed, the motor can bear the requirement of necessary pressure or vacuum degree, matched special equipment, and good tightness is achieved through the matching of the end cover and the shell, and stable operation can be ensured even under the vacuum environment.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.

Claims (10)

1. The water-cooled motor is characterized by comprising a water-cooled shell, wherein the water-cooled shell comprises an inner sleeve and an outer shell, the inner sleeve and the outer shell are coaxially arranged in an inner shell mode, the outer wall of the inner sleeve is tightly attached to the inner wall of the outer shell, the outer wall of the inner sleeve is provided with a cooling water flow channel which is arranged in an S shape, and the cooling water flow channel is perpendicular to the axis of the inner sleeve.
2. The water-cooled motor of claim 1, wherein the housing is provided with a cooling water inlet and a cooling water outlet in communication with the cooling water flow path.
3. The water-cooled motor of claim 2, wherein the cross-sectional area of the cooling water flow passage communication increases gradually from an end near the cooling water inlet to an end of the cooling water outlet.
4. The water-cooled motor of claim 2, wherein the cooling water flow passage comprises a first flow passage and a second flow passage, the outer wall of the inner sleeve comprises a first cambered surface and a second cambered surface which are symmetrically arranged relative to a plane where the axis is located, the first flow passage is arranged on the first cambered surface in an S shape, and the second flow passage is arranged on the second cambered surface in an S shape.
5. The water cooled motor of claim 4 wherein the cooling water inlet comprises a first water inlet and a second water inlet, the cooling water outlet comprises a first water outlet and a second water outlet, the first water inlet and the first water outlet are in communication with the first flow path, and the second water inlet and the second water outlet are in communication with the second flow path.
6. The water cooled motor of claim 5, wherein the first water inlet and the second water outlet are located at one end of the inner sleeve along the axis and the first water outlet and the second water inlet are located at the other end of the inner sleeve along the axis.
7. The water-cooled motor of claim 1, wherein a seal ring is disposed between the inner sleeve and the outer housing.
8. The water-cooled motor of claim 1, further comprising a stator coaxially embedded within the inner sleeve and a rotor coaxially disposed within the stator.
9. The water-cooled motor of claim 8, further comprising a front end cover and a rear end cover, the front end cover and the rear end cover being respectively clamped with two ends of the inner sleeve, the front end cover and the rear end cover each being provided with a bearing cavity for mounting the rotor.
10. The water-cooled motor of claim 9, wherein an oil inlet channel and an oil outlet channel are arranged between the inner sleeve and the stator, the oil inlet channel is respectively communicated with the bearing cavities of the front end cover and the rear end cover, the oil outlet channel is respectively communicated with the bearing cavities of the front end cover and the rear end cover, and the front end cover is provided with an oil collecting tank connected with the oil inlet channel and an oil drain hole connected with the oil outlet channel.
CN202310939476.0A 2023-07-28 2023-07-28 Water-cooled motor Pending CN116937871A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310939476.0A CN116937871A (en) 2023-07-28 2023-07-28 Water-cooled motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310939476.0A CN116937871A (en) 2023-07-28 2023-07-28 Water-cooled motor

Publications (1)

Publication Number Publication Date
CN116937871A true CN116937871A (en) 2023-10-24

Family

ID=88380460

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310939476.0A Pending CN116937871A (en) 2023-07-28 2023-07-28 Water-cooled motor

Country Status (1)

Country Link
CN (1) CN116937871A (en)

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