CN112803676B - Permanent magnet electric roller stator circulating cooling device - Google Patents

Permanent magnet electric roller stator circulating cooling device Download PDF

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Publication number
CN112803676B
CN112803676B CN202110200306.1A CN202110200306A CN112803676B CN 112803676 B CN112803676 B CN 112803676B CN 202110200306 A CN202110200306 A CN 202110200306A CN 112803676 B CN112803676 B CN 112803676B
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CN
China
Prior art keywords
shell
stator
end cover
fixed
oil plug
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Active
Application number
CN202110200306.1A
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Chinese (zh)
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CN112803676A (en
Inventor
涂兴子
张小牛
董献勇
王雷
刘光辉
徐继祥
魏如愿
司士军
田青山
杨建伟
郭金龙
马龙
梅峰漳
彭晓燕
李双双
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Meizhuo Mine Safety Equipment Xuzhou Co ltd
Pingdingshan Tianan Coal Mining Co Ltd
Original Assignee
Meizhuo Mine Safety Equipment Xuzhou Co ltd
Pingdingshan Tianan Coal Mining Co Ltd
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Application filed by Meizhuo Mine Safety Equipment Xuzhou Co ltd, Pingdingshan Tianan Coal Mining Co Ltd filed Critical Meizhuo Mine Safety Equipment Xuzhou Co ltd
Priority to CN202110200306.1A priority Critical patent/CN112803676B/en
Publication of CN112803676A publication Critical patent/CN112803676A/en
Application granted granted Critical
Publication of CN112803676B publication Critical patent/CN112803676B/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/19Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • H02K9/197Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/22Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges

Abstract

The invention discloses a permanent magnet electric roller stator circulating cooling device which comprises a shell, an oil plug mechanism and an end cover mechanism, wherein a first clamping strip is fixed on the outer surface of the shell through a first fixing bolt, a grid and a rotor are fixed on the inner wall of the shell, the oil plug mechanism is connected to the right side of the shell in a penetrating and threaded mode, the end cover mechanism is fixed on the left side and the right side of the shell in a penetrating mode and located on the outer side of a first limiting ring, a stator is located on the inner side of the rotor, the left side and the right side of the stator are connected with a clamping rod through the end cover mechanism in a penetrating mode, the clamping rod is connected to the inner end face of a connecting shaft in a clamping mode, and the clamping rod is fixed on the connecting shaft through a double-headed bolt. This permanent magnetism motorized pulley stator cooling back installation, with the device circular telegram after, the stator is stood still, and the rotor rotates, and the shell rotates thereupon, and the coolant oil rolls in the shell this moment, conveniently carries out comprehensive cooling treatment to the stator, and the conducting strip can play the effect of heat conduction, conveniently reaches circulative cooling's effect.

Description

Permanent magnet electric roller stator circulating cooling device
Technical Field
The invention relates to the technical field related to permanent magnet electric rollers, in particular to a stator circulating cooling device of a permanent magnet electric roller.
Background
The permanent magnet electric roller is also called as a magnetic pulley or a dry bulk magnetic separator, the interior of the permanent magnet electric roller adopts a composite magnetic system composed of high-performance hard magnetic materials, has the characteristics of high magnetic field intensity, large depth, simple structure, convenient use, no maintenance, no power consumption, no demagnetization in perennial use and the like, the permanent magnet electric roller can be used for iron selection in the industries of cement, magnetic separation, mines, steel, chemical engineering, refractory materials, garbage treatment and the like, is matched with a fixed belt conveyor to replace a driving wheel and can also be matched with a special belt conveyor, the stator is a static part of the electric roller or a generator, the stator mainly has the function of generating a rotating magnetic field, the rotor mainly has the function of being cut in the rotating magnetic field to generate output current, the surface temperature of the stator can rise when the stator is operated for a long time, the normal use of the stator can be influenced when the stator is cooled in time, and in order to ensure that the stator can be cooled circularly and continuously, it is necessary to use a circulation cooling device.
Disclosure of Invention
The invention aims to provide a permanent magnet electric roller stator circulating cooling device, wherein a stator is a static part of an electric roller or a generator, the stator mainly functions to generate a rotating magnetic field, a rotor mainly functions to be cut by magnetic lines of force in the rotating magnetic field to generate output current, the surface temperature of the stator is increased when the stator is operated for too long time, the normal use of the stator is affected when the stator is not cooled in time, and the circulating cooling device is required to be used for enabling the stator to be cooled circularly and continuously.
In order to achieve the purpose, the invention provides the following technical scheme: a permanent magnet electric roller stator circulating cooling device comprises a shell, an oil plug mechanism and an end cover mechanism,
the outer surface of the shell is fixed with a first clamping strip through a first fixing bolt, the inner wall of the shell is fixed with a grating and a rotor, and the left side and the right side of the grating are fixed with heat conducting fins through second fixing bolts;
the oil plug mechanism is connected to the right side of the shell through threads;
the end cover mechanism penetrates through the left side and the right side of the shell and is fixed on the outer side of the first limiting ring, the first limiting ring is fixed on the outer side of the left end and the outer side of the right end of the stator, the stator is located on the inner side of the rotor, the left side and the right side of the stator penetrate through the end cover mechanism and are connected with the clamping rod, the clamping rod is connected to the inner end face of the connecting shaft in a clamping mode, and the clamping rod is fixed on the connecting shaft through a stud bolt.
Preferably, the first fixing bolts are symmetrically arranged on the first clamping strips, and the first clamping strips are uniformly distributed on the outer surface of the shell.
Preferably, the grids and the rotors are uniformly distributed on the inner wall of the shell, and the grids and the rotors are arranged in a staggered mode.
Preferably, the oil plug mechanism comprises an oil plug, a sealing ring and a limiting rod, the oil plug penetrates through the right side of the shell and the sealing ring in a threaded connection mode, and meanwhile the thread direction of the oil plug is opposite to the thread direction of the sealing ring.
Preferably, the gag lever post runs through the sealing ring and fixes on the right inner wall on the shell, and the gag lever post is provided with two, and two gag lever posts symmetry set up simultaneously.
Preferably, the end cover mechanism comprises an end cover, a threaded rod, a fastener and a sealing ring, the end cover penetrates through the left side and the right side of the shell, and the threaded rod penetrates through the end cover and the shell and is in threaded connection with the fastener.
Preferably, a sealing ring is fixed on the inner end face of the end cover and is connected to the shell in a clamping mode.
Preferably, universal beads are arranged between the connecting shaft and the end cover and are uniformly distributed on the end cover.
Preferably, the outer side of the connecting shaft is fixed with a second limiting ring and a second clamping strip, the second limiting ring is located on the inner side of the second clamping strip, and the second clamping strip is uniformly distributed on the connecting shaft.
Compared with the prior art, the invention has the beneficial effects that: the permanent magnet electric roller stator circulating cooling device,
(1) the device is provided with a shell, a first clamping strip, a connecting shaft, a second limiting ring and a second clamping strip, wherein the second limiting ring can play a limiting role in the process of connecting the device with external related equipment, the first clamping strip can strengthen the connection between the shell and the corresponding equipment, the second clamping strip can strengthen the connection between the connecting shaft and the corresponding equipment, and the first clamping strip and the second clamping strip are respectively and uniformly distributed on the shell and the connecting shaft, so that the clamping and limiting roles can be better played;
(2) the oil plug is screwed down, the sealing ring can move leftwards under the limiting action of the oil plug and the limiting rod and is separated from the right inner wall of the shell, the oil plug is screwed down after the oil is completely filled, the sealing ring moves rightwards under the limiting action of the oil plug and the limiting rod and is tightly attached to the right inner wall of the shell, the fastening effect is conveniently achieved, the oil plug is required to be positioned at the lower side of the right end face of the shell before oil is discharged, and the oil discharging operation can be completed after the oil plug is screwed down;
(3) the cooling oil circulation cooling device is provided with a shell, a grid, a heat conducting fin, a second fixing bolt, a rotor and a stator, after the device is electrified, the stator stands still, the rotor rotates, the shell rotates along with the rotation of the rotor, at the moment, cooling oil rolls in the shell, the stator is convenient to cool, the grid which is uniformly distributed can enable the cooling oil to roll more violently, the stator can be cooled more comprehensively, meanwhile, the heat conducting fin can play a role in heat conduction, the circulation cooling effect is convenient to achieve, and the heat conducting fin can be detached after the work is finished and the second fixing bolt is screwed down, so that the replacement is convenient;
(4) the universal ball bearing is provided with a shell, a stator, an end cover, a connecting shaft and universal balls, when the shell rotates along with the stator, the end cover rotates along with the stator, and the universal balls roll at the moment, so that friction between the end cover and the connecting shaft is conveniently reduced, the effect of assisting the end cover to rotate is achieved, the universal balls are uniformly distributed, and the auxiliary end cover can rotate better conveniently;
(5) be provided with the shell, the stator, the end cover, the threaded rod, the fastener, the sealing washer, the kelly, the connecting axle, stud and second spacing ring, the second spacing ring plays spacing effect to the end cover, the sealing washer can be strengthened being connected between end cover and the shell, conveniently improve the device's leakproofness, the kelly of square structure can be strengthened being connected between stator and the connecting axle, can twist off the fastener after unscrewing stud and pulling off the connecting axle, the end cover is pulled off to later detachable threaded rod, can take out the stator at last, conveniently maintain or change.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic view of the front view of the present invention;
FIG. 3 is a schematic left-view structural diagram of the present invention;
FIG. 4 is a schematic left-side sectional view of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 6 is an enlarged view of the structure at B in FIG. 1 according to the present invention.
In the figure: 1. the shell, 2, first card strip, 3, first fixing bolt, 4, grid, 5, conducting strip, 6, second fixing bolt, 7, the rotor, 8, the oil plug mechanism, 801, the oil plug, 802, the sealing ring, 803, the gag lever post, 9, the stator, 10, first spacing ring, 11, end cover mechanism, 1101, the end cover, 1102, the threaded rod, 1103, the fastener, 1104, the sealing washer, 12, the kelly, 13, the connecting axle, 14, stud, 15, universal pearl, 16, second spacing ring, 17, the second card strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a permanent magnet electric roller stator circulating cooling device is disclosed, as shown in figure 1 and figure 2, a first clamping strip 2 is fixed on the outer surface of a shell 1 through a first fixing bolt 3, a grid 4 and a rotor 7 are fixed on the inner wall of the shell 1, heat conducting fins 5 are fixed on the left side and the right side of the grid 4 through a second fixing bolt 6, the first fixing bolts 3 are symmetrically arranged on the first clamping strip 2, the first clamping strips 2 are uniformly distributed on the outer surface of the shell 1, the first clamping strips 2 can be fixed on the shell 1 by screwing the first fixing bolts 3, in the process of connecting the device with external related equipment, the first clamping strips 2 can strengthen the connection between the shell 1 and the corresponding equipment, when the first clamping strips 2 are worn, the corresponding first fixing bolts 3 can be unscrewed to detach the first clamping strips 2, the replacement is convenient, the grid 4 and the rotor 7 are uniformly distributed on the inner wall of the shell 1, and grid 4 and rotor 7 crisscross setting, and casing 1 is along with rotor 7 pivoted in-process together, and the coolant oil can roll in casing 1, conveniently carries out cooling treatment to stator 9, and evenly distributed's grid 4 can make the more violent that the coolant oil rolled, and stator 9 can obtain more comprehensive cooling treatment.
According to the fig. 1, 2 and 3, the oil plug mechanism 8 is threaded on the right side of the casing 1, the oil plug mechanism 8 comprises an oil plug 801, a sealing ring 802 and a limiting rod 803, the oil plug 801 is threaded on the right side of the casing 1 and the sealing ring 802, the thread direction of the oil plug 801 is opposite to the thread direction of the sealing ring 802, before the device is used, the casing 1 needs to be manually rotated until the oil plug 801 is positioned on the upper side of the right end face of the casing 1, after the oil plug 801 is screwed off, cooling oil can be introduced into the casing 1 for subsequent use, in the process of screwing off the oil plug 801, the sealing ring 802 can move leftwards under the limiting effect of the oil plug 801 and the limiting rod 803 and is separated from the right inner wall of the casing 1, after the oil is completely screwed off, the oil plug 801 is screwed off, at the moment, the sealing ring 802 moves rightwards under the limiting effect of the oil plug 801 and the limiting rod 803 and is tightly attached to the right inner wall of the casing 1, conveniently reach the effect of fastening, need make before the oil extraction oil plug 801 be in the downside of shell 1 right-hand member face, can accomplish the oil extraction operation after unscrewing oil plug 801, gag lever post 803 runs through on the right inner wall that sealing ring 802 was fixed on shell 1, and gag lever post 803 is provided with two, two gag lever posts 803 symmetry settings simultaneously, gag lever post 803 moves about sealing ring 802 and plays spacing effect, two gag lever posts 803 can be better the spacing effect of performance.
Referring to fig. 1, 2, 3 and 4, the end cover mechanism 11 is fixed through the left and right sides of the housing 1, and the end cover mechanism 11 is located outside the first limit ring 10, and the first limit ring 10 is fixed outside the left and right ends of the stator 9, the end cover mechanism 11 includes an end cover 1101, a threaded rod 1102, a fastener 1103 and a seal ring 1104, and the end cover 1101 is fixed through the left and right sides of the housing 1, and the threaded rod 1102 is connected with the fastener 1103 through the end cover 1101 and the housing 1, after the stud 14 is screwed off and the connecting shaft 13 is removed, the fastener 1103 can be screwed off, and then the threaded rod 1102 is removed to remove the end cover 1101, so as to complete the subsequent dismounting operation of the stator 9.
As shown in fig. 1, 2, 3 and 5, the stator 9 is located inside the rotor 7, the left side and the right side of the stator 9 are connected to the clamping rod 12 through the end cover mechanism 11, the inner end surface of the end cover 1101 is fixed with a seal ring 1104, the seal ring 1104 is connected to the housing 1 in a clamping manner, and the seal ring 1104 can strengthen the connection between the end cover 1101 and the housing 1, thereby facilitating the improvement of the sealing performance of the device.
According to the drawings of fig. 1, fig. 2, fig. 3, fig. 5 and fig. 6, the clamping rod 12 is connected to the inner end face of the connecting shaft 13 in a clamping manner, the clamping rod 12 is fixed to the connecting shaft 13 through the stud bolt 14, the clamping rod 12 in a square structure can enhance the connection between the stator 9 and the connecting shaft 13, the universal balls 15 are arranged between the connecting shaft 13 and the end cover 1101 and are uniformly distributed on the end cover 1101, when the housing 1 rotates along with the stator 9, the end cover 1101 rotates along with the stator, the universal balls 15 roll at the moment, friction between the end cover 1101 and the connecting shaft 13 is conveniently reduced, so that the effect of rotation of the auxiliary end cover 1101 is achieved, the universal balls 15 are uniformly distributed and are convenient to rotate the better auxiliary end cover 1101, the second limiting ring 16 and the second clamping strip 17 are fixed to the outer side of the connecting shaft 13, the second limiting ring 16 is located on the inner side of the second clamping strip 17, and the second clamping strip 17 is uniformly distributed on the connecting shaft 13, in the process of connecting the device and external related equipment together, the second limiting ring 16 can play a limiting role, and the second clamping strip 17 can strengthen the connection between the connecting shaft 13 and the corresponding equipment.
The working principle of the embodiment is as follows: when the permanent magnet electric roller stator circulating cooling device is used, the device is firstly connected with external related equipment, the second limiting ring 16 can play a limiting role, the first clamping strip 2 can strengthen the connection between the shell 1 and the corresponding equipment, the second clamping strip 17 can strengthen the connection between the connecting shaft 13 and the corresponding equipment, the shell 1 needs to be manually rotated before the device is used until the oil plug 801 is positioned at the upper side of the right end surface of the shell 1, cooling oil can be introduced into the shell 1 after the oil plug 801 is unscrewed, in the process of unscrewing the oil plug 801, the sealing ring 802 can move leftwards under the limiting function of the oil plug 801 and the limiting rod 803 and is separated from the right inner wall of the shell 1, the oil plug 801 is screwed down after the oil is completely introduced, at the moment, the sealing ring 802 moves rightwards under the limiting function of the oil plug 801 and the limiting rod 803 and is tightly attached to the right inner wall of the shell 1, so that the fastening effect is conveniently achieved, and the two limiting rods 803 are arranged, so that the limiting effect can be better played, after the device is powered on, the stator 9 stands still, the rotor 7 rotates, the shell 1 rotates along with the rotation, at the moment, the cooling oil rolls in the shell 1, the cooling treatment of the stator is convenient, the uniformly distributed grid 4 can make the rolling of the cooling oil more violent, the stator 9 is more comprehensively cooled, the heat conducting sheet 5 can play a role in heat conduction, and the effect of circular cooling is convenient to achieve, when the shell 1 rotates along with the stator 9, the end cover 1101 rotates, at the moment, the universal beads 15 roll, the friction between the end cover 1101 and the connecting shaft 13 is convenient to reduce, so that the effect of rotation of the auxiliary end cover 1101 is achieved, the universal beads 15 are uniformly distributed, the better rotation of the auxiliary end cover 1101 is convenient, the sealing ring 1104 can strengthen the connection between the end cover 1101 and the shell 1, and the sealing performance of the device is convenient to improve, the clamping rod 12 with a square structure can strengthen the connection between the stator 9 and the connecting shaft 13, the fastener 1103 can be screwed off after the stud bolt 14 is screwed off and the connecting shaft 13 is removed, the threaded rod 1102 can be removed, the end cover 1101 can be removed, finally the stator 9 can be taken out, the heat conducting fin 5 can be detached after the second fixing bolt 6 is screwed off, the replacement is convenient, and the content which is not described in detail in the specification belongs to the prior art which is well known by a person skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a permanent magnetism motorized pulley stator circulative cooling device, includes shell (1), oil plug mechanism (8) and end cover mechanism (11), its characterized in that:
the outer surface of the shell (1) is fixed with a first clamping strip (2) through a first fixing bolt (3), the inner wall of the shell (1) is fixed with a grid (4) and a rotor (7), the left side and the right side of the grid (4) are fixed with heat conducting fins (5) through a second fixing bolt (6), the grid (4) and the rotor (7) are uniformly distributed on the inner wall of the shell (1), and the grid (4) and the rotor (7) are arranged in a staggered mode;
the oil plug mechanism (8) is in threaded connection with the right side of the shell (1) in a penetrating mode, the oil plug mechanism (8) comprises an oil plug (801), a sealing ring (802) and a limiting rod (803), the oil plug (801) is in threaded connection with the right side of the shell (1) and the sealing ring (802) in a penetrating mode, and meanwhile the thread direction of the oil plug (801) is opposite to the thread direction of the sealing ring (802);
end cover mechanism (11) run through and fix the left and right sides in shell (1), and end cover mechanism (11) are located the outside of first spacing ring (10), and outside at both ends about stator (9) is fixed in first spacing ring (10) simultaneously, stator (9) are located the inboard at rotor (7), and the left and right sides of stator (9) all run through end cover mechanism (11) and are connected with kelly (12), kelly (12) block is connected on the inner terminal surface of connecting axle (13), and kelly (12) are fixed on connecting axle (13) through stud (14), be provided with universal pearl (15) between connecting axle (13) and end cover (1101), and universal pearl (15) evenly distributed is on end cover (1101).
2. The permanent magnet motorized roller stator recirculation cooling arrangement of claim 1, wherein: the first fixing bolts (3) are symmetrically arranged on the first clamping strips (2), and the first clamping strips (2) are uniformly distributed on the outer surface of the shell (1).
3. The permanent magnet motorized roller stator recirculation cooling arrangement of claim 1, wherein: the limiting rods (803) penetrate through the sealing ring (802) and are fixed on the right inner wall of the shell (1), two limiting rods (803) are arranged, and the two limiting rods (803) are symmetrically arranged.
4. The permanent magnet motorized roller stator recirculation cooling arrangement of claim 1, wherein: the end cover mechanism (11) comprises an end cover (1101), a threaded rod (1102), fasteners (1103) and a sealing ring (1104), wherein the end cover (1101) penetrates through the left side and the right side of the shell (1), and the threaded rod (1102) penetrates through the end cover (1101) and the shell (1) and is connected with the fasteners (1103) in a threaded mode.
5. The permanent magnet motorized roller stator recirculation cooling arrangement of claim 4, wherein: and a sealing ring (1104) is fixed on the inner end surface of the end cover (1101), and the sealing ring (1104) is clamped and connected to the shell (1).
6. The permanent magnet motorized roller stator recirculation cooling arrangement of claim 1, wherein: the outer side of the connecting shaft (13) is fixed with a second limiting ring (16) and a second clamping strip (17), the second limiting ring (16) is located on the inner side of the second clamping strip (17), and meanwhile, the second clamping strip (17) is uniformly distributed on the connecting shaft (13).
CN202110200306.1A 2021-02-23 2021-02-23 Permanent magnet electric roller stator circulating cooling device Active CN112803676B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110200306.1A CN112803676B (en) 2021-02-23 2021-02-23 Permanent magnet electric roller stator circulating cooling device

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Application Number Priority Date Filing Date Title
CN202110200306.1A CN112803676B (en) 2021-02-23 2021-02-23 Permanent magnet electric roller stator circulating cooling device

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CN112803676B true CN112803676B (en) 2022-05-24

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CN208190459U (en) * 2018-05-18 2018-12-04 福建闽东电机股份有限公司 A kind of certainly cooling Oil pump electrical machinery
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CN110752729A (en) * 2019-11-02 2020-02-04 黎兴才 Compound-transmission dual-rotor new energy automobile motor
CN111756141A (en) * 2020-07-06 2020-10-09 珠海格力电器股份有限公司 Motor rotor cooling structure, motor and automobile

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DE112017004010T5 (en) * 2016-08-09 2019-04-18 Nidec Corporation MOTOR UNIT
CN107086701A (en) * 2017-05-19 2017-08-22 张志通 A kind of waterproof sealing formula motor
CN107032055A (en) * 2017-05-23 2017-08-11 唐山溢洋电气科技有限公司 Built-in type low-speed big high-power explosion-proof motorized pulleys
CN208078827U (en) * 2018-02-28 2018-11-09 牟特科技(北京)有限公司 A kind of oil-cooled motor casing and oil-cooled motor
CN108282056A (en) * 2018-03-30 2018-07-13 北京理工大学 A kind of automobile-used liquid cooling driving motor
CN208190459U (en) * 2018-05-18 2018-12-04 福建闽东电机股份有限公司 A kind of certainly cooling Oil pump electrical machinery
CN110198098A (en) * 2019-05-31 2019-09-03 芜湖乐知智能科技有限公司 A kind of mute motor with inner casing cooling function
CN110752729A (en) * 2019-11-02 2020-02-04 黎兴才 Compound-transmission dual-rotor new energy automobile motor
CN111756141A (en) * 2020-07-06 2020-10-09 珠海格力电器股份有限公司 Motor rotor cooling structure, motor and automobile

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