CN113964996B - Wound-rotor brushless double-fed motor with novel cooling function - Google Patents

Wound-rotor brushless double-fed motor with novel cooling function Download PDF

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Publication number
CN113964996B
CN113964996B CN202111294279.5A CN202111294279A CN113964996B CN 113964996 B CN113964996 B CN 113964996B CN 202111294279 A CN202111294279 A CN 202111294279A CN 113964996 B CN113964996 B CN 113964996B
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wall
fixed
motor
sides
wound
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CN113964996A (en
Inventor
杨华
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Guangzhou Yizhi Environmental Protection Technology Co ltd
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Guangdong Shangshui Energy Technology Co ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/207Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/02Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K2205/00Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
    • H02K2205/09Machines characterised by drain passages or by venting, breathing or pressure compensating means

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

Abstract

The invention discloses a winding type brushless doubly-fed motor with novel cooling, which comprises a motor main body, wherein a moving rod is inserted into one side of the top end of the outer wall of the motor main body, a spring is fixedly arranged at the bottom end of the moving rod, the bottom end of the spring is fixedly arranged at the bottom end of the inside of the motor main body, and a first fixed shaft is fixedly arranged at the bottom end of the outer wall of the moving rod.

Description

Wound-rotor brushless double-fed motor with novel cooling function
Technical Field
The invention relates to the field of doubly-fed motors, in particular to a wound brushless doubly-fed motor with novel cooling.
Background
The double-fed motor is named as an alternating-current excitation generator, and has flexible operation mode due to the adoption of alternating-current voltage excitation by the rotor, compared with the traditional generator, the brushless double-fed motor has a fixed power winding and a control winding, the capacity of the frequency converter is only matched with the power born by the control winding, so that the operation cost of the brushless double-fed motor is lower, and the double-fed motor is widely applied to the aspects of continuous power frequency overvoltage of a power station, variable speed constant frequency power generation, speed regulation of a pumped storage power station motor-generator set and the like.
In current life, traditional wound-rotor type brushless doubly-fed motor is when connecting front end housing and motor main part, adopt a plurality of bolts to connect fixedly generally, when the inside trouble that breaks down of motor, need consume a large amount of time and dismantle the front end housing, and then can't in time detect the maintenance to the motor is inside, cause the motor to damage easily, simultaneously, doubly-fed motor is at the during operation easy appearance motor overheated phenomenon, because the ventilation cooling system of traditional wound-rotor type brushless doubly-fed motor can not in time distribute away the heat of motor inside, lead to the inside temperature of motor to rise, motor efficiency has been reduced, the ageing of motor inside insulation system has been accelerated, consequently, need a wound-rotor type brushless doubly-fed motor with novel cooling.
Disclosure of Invention
The invention aims to provide a novel cooled wound brushless doubly-fed motor so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a wound-rotor type brushless doubly-fed motor with novel cooling, includes the motor main part, one side of motor main part outer wall top alternates and is equipped with the movable rod, the bottom fixed of movable rod is equipped with the spring, the bottom fixed of spring sets up the inside bottom at the motor main part, the bottom fixed of movable rod outer wall is equipped with first fixed axle, the both sides of first fixed axle outer wall all alternate and are equipped with the connecting rod, two one end of connecting rod one side alternates the outer wall that sets up at two second fixed axles respectively, two one side of second fixed axle is fixed the setting respectively in one side of two fastener inner walls, two one side of fastener outer wall alternates respectively and sets up in the both sides of motor main part outer wall one end, two the opposite side of fastener inner wall is all fixed and is equipped with the clamping lever, two the one end of clamping lever respectively block sets up the inner wall at two draw-in holes, two the draw-in hole is seted up respectively in the both sides of front end cover outer wall, one side block in the front is set up the inner wall at the draw-in groove, the draw-in groove is seted up one end at one end of motor main part, one side of draw-in groove has been seted up respectively, the inner wall of draw-in groove has, one side of draw-in groove is equipped with the annular groove is equipped with one side, the front of the pivot is equipped with the pivot of the fixed end of the shaft sleeve is equipped with one side of the fixed end of the shaft, the fixed end of the shaft is fixed end cover is equipped with the shaft, one end of the end cover is fixed, and is fixed, the shaft is fixed to the end is equipped with the shaft is fixed to the shaft end cover is one end, and one end of the end is fixed end axle, the other end of dwang is fixed to be set up in the middle part of moving part one side, the both ends of moving part one side slide respectively and set up the both ends at the mounting opposite side, the both sides of pull rod bottom block respectively the block set up the inner wall at two fixed slots, two the fixed slot is seted up respectively on the top of two installation pieces, two the trompil has all been seted up to one side of installation piece, two the inner wall of trompil all alternates and is equipped with the elastic component, two the one end of elastic component is fixed the bottom that sets up in pull rod outer wall both sides respectively.
Preferably, the inner wall block of rear end cap is equipped with the filter, the top of filter outer wall is fixed to be set up at the inner wall of arc, the outer wall of arc is fixed to be set up on the top of pull rod inner wall, the bottom of pull rod outer wall both sides is the block setting respectively in the inner wall of two installation pieces, two one side of installation piece is fixed respectively to be set up in the both sides of rear end cap outer wall.
Preferably, the bottom end of the motor main body is fixedly provided with a stand, and a plurality of reinforcing blocks are fixedly arranged on two sides of the stand.
Preferably, the top end of the moving rod is fixedly provided with a pressing block.
Preferably, the outer wall of the connecting shaft is inserted with a cross rod, and two ends of the cross rod are respectively and fixedly arranged on two sides of the inner wall of the motor main body.
Preferably, the two ends of one side of the moving part are fixedly provided with arc-shaped sliding blocks, the outer walls of the two arc-shaped sliding blocks are respectively arranged on the inner walls of the two arc-shaped sliding grooves in a sliding mode, and the two arc-shaped sliding grooves are respectively arranged at the two ends of the other side of the fixing part.
The invention has the technical effects and advantages that:
(1) This brushless doubly-fed motor of wound rotor with novel cooling, through being equipped with according to the piece, the movable rod, first fixed axle, a spring, the connecting rod, the second fixed axle, the fastener, the card pole, press down according to the piece and drive the movable rod and move down, and then drive two card poles respectively and remove to both ends, until card pole one end separates with the card hole of front end housing outer wall both sides, then remove the front end housing to the left, the axle sleeve to front end housing one side does not contact with the pivot, can unpack the front end housing fast through this kind of mode, need not to consume a large amount of time and go to dismantle the bolt, labour saving and time saving, the convenience is in time to the inside detection maintenance of motor main part.
(2) This brushless doubly-fed motor of wound rotor with novel cooling, through being equipped with the rotor, the pivot, the connecting rod, the flabellum, turn round, the dwang, moving part, the arc slider, it rotates to rotate turn round the drive dwang, and then drive the moving part and rotate, until in the arc slider removed the arc spout, dispel the heat to the motor inside through this kind of mode, can drive the pivot and rotate when the rotor rotates, the pivot rotates and drives the flabellum through the connecting axle and rotate, this kind of mode further dispels the heat to the motor inside, make the inside heat of motor in time dispel away, and then reduce the inside temperature of motor, motor efficiency has been improved, slow down the ageing of the inside insulation system of motor.
(3) This brushless doubly-fed motor of wound rotor with novel cooling through being equipped with pull rod, arc, elastic component, installation piece, filter, inwards presses two elastic components, to the trompil separation of two elastic components and installation piece one side, then upwards removes the pull rod, to the inner wall separation of filter and rear end cap, can filter the air when the motor dispels the heat through this kind of mode, prevents that the dust from getting into inside the motor main part, conveniently changes the filter simultaneously.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic structural view of the fixing mechanism of the present invention.
Fig. 3 is a schematic view of the internal structure of the motor body according to the present invention.
Fig. 4 is a schematic view of a front end cover connection structure according to the present invention.
Fig. 5 is a schematic view of a side structure of the inner wall of the rear end cap according to the present invention.
Fig. 6 is a schematic diagram of a tie rod connection structure according to the present invention.
In the figure: 1. a motor main body; 2. a moving rod; 3. a spring; 4. a first fixed shaft; 5. a connecting rod; 6. a second fixed shaft; 7. a clamping piece; 8. a clamping rod; 9. a front end cover; 10. a clasp; 11. a shaft sleeve; 12. a rotating shaft; 13. a rotor; 14. a connecting shaft; 15. a fan blade; 16. a rear end cover; 17. a fixing member; 18. a rotating lever; 19. a turning button; 20. a moving member; 21. a filter; 22. an arc-shaped plate; 23. a pull rod; 24. an elastic member; 25. a mounting block; 26. a base; 27. a reinforcing block; 28. pressing blocks; 29. a cross bar; 30. an arc-shaped sliding block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a winding type brushless doubly-fed motor with novel cooling as shown in figures 1-6, which comprises a motor main body 1, wherein one side of the top end of the outer wall of the motor main body 1 is penetrated and provided with a movable rod 2, the bottom end of the movable rod 2 is fixedly provided with a spring 3, the bottom end of the spring 3 is fixedly arranged at the bottom end of the inside of the motor main body 1, the bottom end of the outer wall of the movable rod 2 is fixedly provided with a first fixed shaft 4, two sides of the outer wall of the first fixed shaft 4 are penetrated and provided with connecting rods 5, one ends of one sides of two connecting rods 5 are penetrated and provided with outer walls of two second fixed shafts 6 respectively, one ends of two second fixed shafts 6 are fixedly arranged on one sides of the inner walls of two clamping pieces 7 respectively, one sides of the outer walls of the two clamping pieces 7 are penetrated and provided with clamping rods 8 respectively, one end of each clamping rod 8 is respectively clamped and arranged on the inner walls of the two clamping holes, the two clamping holes are respectively arranged on two sides of the outer wall of the front end cover 9, one side of the front end cover 9 is clamped and arranged on the inner wall of the clamping groove, the clamping groove is arranged on one end of the motor main body 1, one side of the clamping groove is provided with an annular groove, the inner wall of the annular groove is clamped and provided with a clamping ring 10, one side of the clamping ring 10 is fixedly connected with one side of the front end cover 9, the other side of the front end cover 9 is fixedly provided with a shaft sleeve 11, the inner wall of the shaft sleeve 11 is penetrated and provided with a rotating shaft 12, the outer wall of the rotating shaft 12 is penetrated and arranged at one end of the rotor 13, one end of the rotating shaft 12 is fixedly provided with a connecting shaft 14, one end of the connecting shaft 14 is fixedly provided with a fan blade 15, the other end of the motor main body 1 is fixedly provided with a rear end cover 16, one side of the inner wall of the rear end cover 16 is fixedly provided with a fixing piece 17, the middle part of one side of the fixing piece 17 is penetrated and arranged with a rotating rod 18, one end of the rotating rod 18 is fixedly provided with a rotating knob 19, the other end of the rotating rod 18 is fixedly arranged in the middle of one side of the moving member 20, two ends of one side of the moving member 20 are respectively arranged at two ends of the other side of the fixed member 17 in a sliding manner, a base 26 is fixedly arranged at the bottom end of the motor main body 1, a plurality of reinforcing blocks 27 are fixedly arranged at two sides of the base 26, a pressing block 28 is fixedly arranged at the top end of the moving rod 2, a cross rod 29 is inserted into the outer wall of the connecting shaft 14, two ends of the cross rod 29 are respectively fixedly arranged at two sides of the inner wall of the motor main body 1, arc-shaped sliding blocks 30 are fixedly arranged at two ends of one side of the moving member 20, outer walls of the two arc-shaped sliding blocks 30 are respectively arranged on inner walls of two arc-shaped sliding grooves in a sliding manner, two arc-shaped sliding grooves are respectively arranged at two ends of the other side of the fixed member 17, two sides of the bottom end of the pull rod 23 are respectively clamped and arranged on inner walls of two fixed grooves, two fixed grooves are respectively arranged at the top ends of two mounting blocks 25, one sides of the two mounting blocks 25 are respectively provided with holes, elastic pieces 24 are respectively inserted into the inner walls of the two holes, and one ends of the two holes are fixedly arranged at two sides of the outer wall of the pull rod 23.
The invention provides a novel cooled wound brushless doubly-fed motor, as shown in fig. 6, wherein a filter element 21 is clamped on the inner wall of a rear end cover 16, the top end of the outer wall of the filter element 21 is fixedly arranged on the inner wall of an arc-shaped plate 22, the outer wall of the arc-shaped plate 22 is fixedly arranged on the top end of the inner wall of a pull rod 23, the bottom ends of two sides of the outer wall of the pull rod 23 are respectively clamped on the inner walls of two mounting blocks 25, and one sides of the two mounting blocks 25 are respectively fixedly arranged on two sides of the outer wall of the rear end cover 16.
The working principle of the invention is as follows: when the inside of the motor main body 1 fails, the pressing block 28 is pressed downwards firstly, the pressing block 28 moves downwards to drive the moving rod 2 to move downwards, the moving rod 2 moves downwards to squeeze the spring 3, meanwhile, the first fixed shaft 4 is driven to move downwards, the first fixed shaft 4 moves downwards to respectively drive the two connecting rods 5 to rotate, the two connecting rods 5 rotate to respectively drive the two second fixed shafts 6 to move oppositely, the two second fixed shafts 6 move oppositely to drive the two clamping pieces 7 to move oppositely, and further drive the two clamping rods 8 to move oppositely until one ends of the two clamping rods 8 are separated from clamping holes on two sides of the outer wall of the front end cover 9 respectively, then the front end cover 9 is moved leftwards, the front end cover 9 is moved leftwards to drive the shaft sleeve 11 to move leftwards until the shaft sleeve 11 is separated from the rotating shaft 12, the front end cover 9 can be quickly disassembled in such a way without consuming a large amount of time to disassemble bolts, the time and effort are saved, the detection and maintenance of the inside of the motor main body 1 are convenient in time, when the motor generates electricity, the rotary knob 19 is rotated firstly, the rotary knob 19 is rotated to drive the rotary rod 18 to rotate, the rotary rod 18 is rotated to drive the movable piece 20 to rotate, the movable piece 20 is rotated to drive the two arc sliding blocks 30 to move until the two arc sliding blocks 30 move to the two arc sliding grooves on one side of the fixed piece 17, the inside of the motor can be cooled in such a way, the rotor 13 in the motor main body 1 drives the rotating shaft 12 to rotate, the rotating shaft 12 rotates to drive the connecting shaft 14 to rotate, the connecting shaft 14 rotates to drive the fan blade 15 to rotate, the inside of the motor is further cooled in such a way, the heat in the motor is timely dissipated, the inside temperature of the motor is further reduced, the motor efficiency is improved, the two elastic pieces 24 are pressed inwards, until the two elastic pieces 24 are separated from the openings on one side of the two mounting blocks 25, then the pull rod 23 is pulled upwards, the pull rod 23 moves upwards to drive the arc plate 22 to move upwards, and then the filter piece 21 is driven to move upwards until the filter piece 21 is not contacted with the rear end cover 16, air can be filtered when the motor dissipates heat in this way, dust is prevented from entering the motor main body 1, and meanwhile the filter piece 21 is convenient to replace.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Standard parts used by the invention can be purchased from the market, and special-shaped parts can be customized according to the description of the specification and the drawings.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a brushless doubly-fed motor of wound with novel cooling, includes motor main part (1), its characterized in that, one side interlude in motor main part (1) outer wall top is equipped with movable rod (2), the bottom mounting of movable rod (2) is equipped with spring (3), the bottom mounting of spring (3) sets up in the inside bottom of motor main part (1), the bottom mounting of movable rod (2) outer wall is equipped with first fixed axle (4), the both sides of first fixed axle (4) outer wall all interlude are equipped with connecting rod (5), two one end of connecting rod (5) one side interlude respectively sets up the outer wall at two second fixed axle (6), two one end of second fixed axle (6) is fixed respectively to be set up in one side of two fastener (7) inner walls, two one side of fastener (7) outer wall interlude respectively is equipped with clamping lever (8), two the one end of clamping lever (8) respectively the block sets up at two inner walls of clamping hole (9) the inner wall, the draw-in groove (9) is seted up in front of the inner wall (9) of snap ring groove, one side of opening the end cover (10), one side of snap ring (10) and one side fixed connection of front end housing (9), the opposite side of front end housing (9) is fixed to be equipped with axle sleeve (11), the inner wall interlude of axle sleeve (11) is equipped with pivot (12), the outer wall interlude of pivot (12) sets up the one end in rotor (13), the one end of pivot (12) is fixed and is equipped with connecting axle (14), the one end of connecting axle (14) is fixed and is equipped with flabellum (15), the other end of motor main part (1) is fixed and is equipped with rear end cap (16), the fixed mounting (17) that is equipped with in one side of rear end cap (16) inner wall, the middle part interlude in one side of mounting (17) is equipped with dwang (18), the fixed turning round (19) that is equipped with in one end of dwang (18), the other end fixed setting in one side of moving member (20), the both ends of moving member (20) one side slide respectively and set up the both ends in the opposite side of mounting (17), the both sides of pull rod (23) bottom respectively block the interlude the inner wall that sets up at two fixed slots respectively, two mounting blocks (25) are equipped with trompil (25) respectively, one ends of the two elastic pieces (24) are respectively and fixedly arranged at the bottom ends of two sides of the outer wall of the pull rod (23).
2. The wound-rotor type brushless doubly-fed motor with novel cooling according to claim 1, wherein a filter (21) is arranged on the inner wall of the rear end cover (16) in a clamping manner, the top end of the outer wall of the filter (21) is fixedly arranged on the inner wall of an arc-shaped plate (22), the outer wall of the arc-shaped plate (22) is fixedly arranged on the top end of the inner wall of a pull rod (23), the bottom ends of two sides of the outer wall of the pull rod (23) are respectively arranged on the inner walls of two mounting blocks (25) in a clamping manner, and one sides of the two mounting blocks (25) are respectively fixedly arranged on two sides of the outer wall of the rear end cover (16).
3. A wound-rotor brushless doubly-fed motor with novel cooling according to claim 1, characterized in that a base (26) is fixedly arranged at the bottom end of the motor main body (1), and a plurality of reinforcing blocks (27) are fixedly arranged at two sides of the base (26).
4. A wound-rotor brushless doubly-fed machine with novel cooling according to claim 1, characterized in that the top end of said moving rod (2) is fixedly provided with a pressing block (28).
5. The wound-rotor type brushless doubly-fed motor with novel cooling according to claim 1, wherein a cross rod (29) is inserted into the outer wall of the connecting shaft (14), and two ends of the cross rod (29) are fixedly arranged on two sides of the inner wall of the motor main body (1) respectively.
6. The wound-rotor type brushless doubly-fed motor with novel cooling according to claim 1, wherein two ends of one side of the moving member (20) are fixedly provided with arc-shaped sliding blocks (30), outer walls of the two arc-shaped sliding blocks (30) are respectively arranged on inner walls of two arc-shaped sliding grooves in a sliding mode, and the two arc-shaped sliding grooves are respectively arranged at two ends of the other side of the fixed member (17).
CN202111294279.5A 2021-11-03 2021-11-03 Wound-rotor brushless double-fed motor with novel cooling function Active CN113964996B (en)

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Application Number Priority Date Filing Date Title
CN202111294279.5A CN113964996B (en) 2021-11-03 2021-11-03 Wound-rotor brushless double-fed motor with novel cooling function

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Application Number Priority Date Filing Date Title
CN202111294279.5A CN113964996B (en) 2021-11-03 2021-11-03 Wound-rotor brushless double-fed motor with novel cooling function

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CN113964996A CN113964996A (en) 2022-01-21
CN113964996B true CN113964996B (en) 2023-10-20

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6215215B1 (en) * 1998-02-07 2001-04-10 Robert Bosch Gmbh Electric motor
JP2005027478A (en) * 2003-07-03 2005-01-27 Jidosha Denki Kogyo Co Ltd Brushless motor
CN107093934A (en) * 2017-05-03 2017-08-25 江苏华源防爆电机有限公司 A kind of subway permanent magnet traction motor
CN110165810A (en) * 2019-06-19 2019-08-23 徐州亚泰电机有限公司 A kind of Endocytic shaft-hole connection type explosion-proof three-phase asynchronous motor
CN212183249U (en) * 2020-06-30 2020-12-18 南京三协电机制造有限公司 Small-size motor convenient to back lid lock dismouting
CN112510885A (en) * 2020-11-18 2021-03-16 江苏航天动力机电有限公司 Permanent magnet motor convenient to maintain
CN112688469A (en) * 2021-01-19 2021-04-20 安徽机电职业技术学院 Make things convenient for fast-assembling type motor that inside part was changed
CN213093966U (en) * 2020-09-08 2021-04-30 东莞永昆电机有限公司 High-sealing-performance motor
CN213305112U (en) * 2020-10-22 2021-05-28 启航德轩(天津)智能科技有限公司 Electromagnetic motor convenient to shell is dismantled
CN214479958U (en) * 2020-11-18 2021-10-22 江苏航天动力机电有限公司 Permanent magnet motor convenient to maintain

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6215215B1 (en) * 1998-02-07 2001-04-10 Robert Bosch Gmbh Electric motor
JP2005027478A (en) * 2003-07-03 2005-01-27 Jidosha Denki Kogyo Co Ltd Brushless motor
CN107093934A (en) * 2017-05-03 2017-08-25 江苏华源防爆电机有限公司 A kind of subway permanent magnet traction motor
CN110165810A (en) * 2019-06-19 2019-08-23 徐州亚泰电机有限公司 A kind of Endocytic shaft-hole connection type explosion-proof three-phase asynchronous motor
CN212183249U (en) * 2020-06-30 2020-12-18 南京三协电机制造有限公司 Small-size motor convenient to back lid lock dismouting
CN213093966U (en) * 2020-09-08 2021-04-30 东莞永昆电机有限公司 High-sealing-performance motor
CN213305112U (en) * 2020-10-22 2021-05-28 启航德轩(天津)智能科技有限公司 Electromagnetic motor convenient to shell is dismantled
CN112510885A (en) * 2020-11-18 2021-03-16 江苏航天动力机电有限公司 Permanent magnet motor convenient to maintain
CN214479958U (en) * 2020-11-18 2021-10-22 江苏航天动力机电有限公司 Permanent magnet motor convenient to maintain
CN112688469A (en) * 2021-01-19 2021-04-20 安徽机电职业技术学院 Make things convenient for fast-assembling type motor that inside part was changed

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