CN110048581B - A kind of stepper motor preventing eccentric operating - Google Patents

A kind of stepper motor preventing eccentric operating Download PDF

Info

Publication number
CN110048581B
CN110048581B CN201910442565.8A CN201910442565A CN110048581B CN 110048581 B CN110048581 B CN 110048581B CN 201910442565 A CN201910442565 A CN 201910442565A CN 110048581 B CN110048581 B CN 110048581B
Authority
CN
China
Prior art keywords
stepper motor
output shaft
wall
slide block
limiting slide
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.)
Active
Application number
CN201910442565.8A
Other languages
Chinese (zh)
Other versions
CN110048581A (en
Inventor
马闪
江恰
江然
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.)
Beijing Motor Co., Ltd.
Original Assignee
Beijing Motor 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 Beijing Motor Co Ltd filed Critical Beijing Motor Co Ltd
Priority to CN201910442565.8A priority Critical patent/CN110048581B/en
Publication of CN110048581A publication Critical patent/CN110048581A/en
Application granted granted Critical
Publication of CN110048581B publication Critical patent/CN110048581B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K37/00Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
    • H02K37/24Structural association with auxiliary mechanical devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/04Balancing means

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

The present invention provides the stepper motors that one kind can prevent eccentric operating, including stepper motor main body, cover board and balancing device, the present invention can solve current stepper motor and not be easy to produce resonance at that time in control, while being difficult to run to higher revolving speed and obtaining biggish torque;The output shaft of stepper motor is when the carrier for carrying constant weight has driven rotation since the work of stepper motor often needs to start and stop, biggish revolving speed can not be obtained, cause its output shaft carrying object be to be difficult to keep balance, the carrier that output shaft causes it to carry in the course of rotation occurs eccentric, the problem of causing it not operate preferably, the present invention may be implemented to keep to keep stable function in stepper motor motion process;With can keep in stepper motor motion process stablize, reduce its resonance, at the same guarantee output shaft carry different weight object when its output shaft bias will not occur the advantages that.

Description

A kind of stepper motor preventing eccentric operating
Technical field
The present invention relates to a kind of stepper motor, in particular to a kind of stepper motor that can prevent eccentric operating.
Background technique
Stepper motor is also stepper, it utilizes electromagnetic principles, converts electrical energy into mechanical energy, people are early in 20 generation Discipline the '20s are begun to using this motor.With embedded system such as printer, disc driver, toy, rain brush, shake The use of the increased popularity of dynamic pager, mechanical arm and video recorder etc., stepper motor also starts to explode.No matter in industry, army In thing, medical treatment, automobile or show business, as long as certain part object is needed to be moved to another position, stepping electricity from a position Machine surely uses with regard to one.
Stepper motor has outstanding start-stop and reversion response;When stalling simultaneously there is maximum torque (to work as winding When excitation);Therefore the use of stepper motor also constantly explodes, but stepper motor is not easy to produce altogether at that time in control at present Vibration, while being difficult to run to higher revolving speed and obtaining biggish torque;The output shaft of stepper motor is in carrying constant weight Since the work of stepper motor often needs to start and stop when carrier has driven rotation, biggish revolving speed can not be obtained, it is caused Output shaft is to be difficult to keep balance in carrying object, and bias occurs for the carrier that output shaft causes it to carry in the course of rotation, It is caused not operate preferably.
So the present invention provides one kind can prevent bias in order to enable the stepper motor in work preferably keeps balancing The stepper motor of operating.
Summary of the invention
To solve the above-mentioned problems, the present invention provides the stepper motor that one kind can prevent eccentric operating, it can solve mesh Preceding stepper motor was not easy to produce resonance in control at that time, while being difficult to run to higher revolving speed and obtaining biggish torque; The output shaft of stepper motor is when the carrier for carrying constant weight has driven rotation since the work of stepper motor needs often Want start and stop, biggish revolving speed can not be obtained, cause its output shaft carrying object be to be difficult to keep balance, output shaft is in rotation The problem of bias occurs for the carrier for causing it to carry in the process, it is caused not operate preferably may be implemented to keep stepping electricity Stable function is kept in machine motion process;With that can keep stablizing in stepper motor motion process, its resonance is reduced, simultaneously Guarantee output shaft carry different weight object when its output shaft bias will not occur the advantages that.
To achieve the goals above, the present invention use following technical scheme, a kind of stepper motor preventing eccentric operating, Including stepper motor main body, cover board and balancing device, the output shaft of the stepper motor main body is fixed by balancing device, is put down Weighing apparatus device is mounted in the cover board of front end of stepper motor main body;The cover board is uniformly mounted on stepping by six hex bolts On motor body;The output shaft middle section outer wall of the stepper motor main body is symmetrical above and below to be provided with fixing groove, is located in fixing groove It is evenly arranged with fixation hole;Wherein:
The balancing device includes mounting ring, movable clamping mechanism and lock adjustment mechanism, the mounting ring installation In the annular groove being arranged on the cover board;Six are uniformly arranged in the mounting ring mounting hole, and work is provided in mounting hole Dynamic clamping mechanism, on the lock adjustment mechanism front end outer wall symmetrical above and below that mounting ring is set, and lock adjustment mechanism It is mutually fixed with the output shaft of stepper motor main body.
The movable clamping mechanism includes level-one adjusting rod, one-stage gear, second level adjusting rod, secondary gear, driving spiral shell The mounting hole being arranged in mounting ring is arranged in by bearing for bar, tertiary gear, fixed frame and compact heap, the level-one adjusting rod It is interior, one-stage gear is installed, the one-stage gear and secondary gear are intermeshed, secondary gear installation in the middle part of level-one adjusting rod In the middle part of second level adjusting rod, the second level adjusting rod both ends are mounted in the mounting hole being arranged in mounting ring by bearing, institute The secondary gear and tertiary gear stated are intermeshed, and the tertiary gear is mounted on fixed frame, the fixed frame installation In the inner wall of the hole installing being arranged inside mounting ring, driving screw rod, the compression are installed in the middle part of the tertiary gear Block is connected through a screw thread mode and installs on the drive screw, and the both ends outer wall of compact heap is being pacified by sliding matching mode setting It fills on ring;The movable clamping mechanism of setting adjusts the position of compact heap convenient for operation, and compact heap can be kept mutually to fix with cover board, It is easy to operate, at the same be arranged multiple movable clamping mechanisms it is evenly distributed maintain its uniform force during rotation, avoid It generates vibration because of discontinuity.
The lock adjustment mechanism includes position-limited rack, position limiting slide block, compressed spring, limited post and interior friction block;It is described Position-limited rack upper end be evenly arranged with bolt hole, position limiting slide block, the limit are equipped with by sliding matching mode on position-limited rack It is bolted in suitable bolt hole between position upper end of slide block and position-limited rack, the position limiting slide block lower end is semi-circular Structure, the position limiting slide block middle part inner wall are provided with annular grooving, are equipped with interior friction by hinge in annular grooving Block is bolted between the position limiting slide block in Liang Ge lock adjustment mechanism;Matched in the middle part of the position limiting slide block by sliding Conjunction mode is provided with limited post, and limited post is connected with the inner wall in the middle part of position limiting slide block by compressed spring;The locking of setting Regulating mechanism can be by adjusting position limiting slide block according to the different weight of carrying carrier of output shaft and the running speed of output shaft Position, keep output shaft to be in a horizontal position always during output shaft operating, will not should be load-bearing and by bias, It ensure that stepper motor bulk motion is stablized in the process, prevent its eccentric vibrating.
Preferably, the screw thread of opposite rotation direction is provided on the outer wall at the driving screw rod both ends;It sets on the drive screw The screw thread for setting opposite rotation direction can keep control compact heap under same driving to work at the same time, while ensure that the feeding of compact heap is deep Degree is consistent.
Preferably, outer wall is provided with mounting groove to the tertiary gear up and down, is located in mounting groove and ball is arranged;Installation Setting ball can guarantee tertiary gear flexible rotating in slot.
Preferably, it is provided with annular groove on the cover board, the inner wall positioned at annular groove is evenly arranged with ball;Annular groove it is interior Wall, which is uniformly arranged ball, ensure that balancing device keeps stablizing output shaft in the course of rotation, while not influence turning for output shaft It is dynamic, reduce the load applied to it.
The beneficial effects of the present invention are:
One, the present invention, which has, can keep stepper motor bulk motion to stablize in the process, reduce its resonance, while guaranteeing defeated Shaft carry different weight object when its output shaft bias will not occur the advantages that;
Two, the movable clamping mechanism that is arranged of the present invention adjusts the position of compact heap convenient for operation, can keep compact heap with Cover board is mutually fixed, easy to operate, at the same be arranged multiple movable clamping mechanisms it is evenly distributed maintain its during rotation by Power is uniform, avoids it and generates vibration because of discontinuity;
Three, the lock adjustment mechanism that is arranged of the present invention can be by according to the weight of the different carrying carrier of output shaft and defeated The running speed of shaft adjusts the position of position limiting slide block, keeps output shaft to be in horizontal position always during output shaft operating It sets, load-bearing will not be should be by bias, ensure that stepper motor bulk motion is stablized in the process, prevents its eccentric vibrating.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is general structure schematic diagram of the invention;
Fig. 2 is the structural schematic diagram after local location cutting of the present invention;
Fig. 3 is left view and its partial section enlarged view of the invention;
Fig. 4 is main view and its partial section enlarged view of the invention.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below Conjunction is specifically illustrating, and the present invention is further explained.It should be noted that in the absence of conflict, embodiment in the application and Feature in embodiment can be combined with each other.
As shown in Figures 1 to 4, a kind of stepper motor preventing eccentric operating, including stepper motor main body 1,2 and of cover board The output shaft of balancing device 3, the stepper motor main body 1 is fixed by balancing device 3, and balancing device 3 is mounted on stepping electricity In the cover board of front end 2 of owner's body 1;The cover board 2 is uniformly mounted in stepper motor main body 1 by six hex bolts;Institute State stepper motor main body 1 output shaft middle section outer wall it is symmetrical above and below be provided with fixing groove, be evenly arranged in fixing groove solid Determine hole;It is provided with annular groove on the cover board 2, the inner wall positioned at annular groove is evenly arranged with ball;The inner wall of annular groove is uniformly set Setting ball ensure that balancing device 3 keeps stablizing output shaft in the course of rotation, while not influence the rotation of output shaft, reduce The load that it is applied.
The balancing device 3 includes mounting ring 31, movable clamping mechanism 32 and lock adjustment mechanism 33, the installation Ring 31 is mounted in the annular groove being arranged on cover board 2;Being uniformly arranged six in the mounting ring 31 has mounting hole, is located at mounting hole Inside it is provided with movable clamping mechanism 32, the lock adjustment mechanism 33 front end outer wall symmetrical above and below that mounting ring 31 is set On, and lock adjustment mechanism 33 and the output shaft of stepper motor main body 1 are mutually fixed.
The movable clamping mechanism 32 includes level-one adjusting rod 321, one-stage gear 322, second level adjusting rod 323, second level Gear 324, driving screw rod 325, tertiary gear 326, fixed frame 327 and compact heap 328, the level-one adjusting rod 321 pass through Bearing is arranged in the mounting hole being arranged in mounting ring 31, and one-stage gear 322 is equipped in the middle part of level-one adjusting rod 321, described One-stage gear 322 and secondary gear 324 are intermeshed, and secondary gear 324 is mounted in the middle part of second level adjusting rod 323, and described two 323 both ends of grade adjusting rod are mounted in the mounting hole being arranged in mounting ring 31 by bearing, the secondary gear 324 and three-level Gear 326 is intermeshed, and the tertiary gear 326 is mounted on fixed frame 327, and the fixed frame 327 is mounted on installation In the inner wall of the hole installing being arranged inside ring 31, the middle part of the tertiary gear 326 is equipped with driving screw rod 325, the pressure Tight block 328 is connected through a screw thread mode and is mounted on driving screw rod 325, and the both ends outer wall of compact heap 328 is by being slidably matched Mode is arranged in mounting ring 31;It is mutually flexibly connected by screwing the control compact heap 328 of level-one adjusting rod 321 and 2 inside of cover board; The movable clamping mechanism 32 of setting adjusts the position of compact heap 328 convenient for operation, and compact heap 328 can be kept solid with 2 phase of cover board It is fixed, it is easy to operate, while multiple movable clamping mechanisms 32 for being arranged are evenly distributed maintains its uniform force during rotation, It avoids it and generates vibration because of discontinuity;Opposite rotation direction is provided on the outer wall at 325 both ends of driving screw rod Screw thread;The screw thread that opposite rotation direction is arranged on driving screw rod 325 can keep control compact heap 328 while work under same driving Make, while ensure that the feeding depth of compact heap 328 is consistent;About 326 outer wall of tertiary gear is provided with mounting groove, Ball is set in mounting groove;Setting ball can guarantee 326 flexible rotating of tertiary gear in mounting groove.
The lock adjustment mechanism 33 includes position-limited rack 331, position limiting slide block 332, compressed spring 333,334 and of limited post Interior friction block 335;331 upper end of position-limited rack is evenly arranged with bolt hole, is pacified on position-limited rack 331 by sliding matching mode Equipped with position limiting slide block 332, suitable bolt is bolted between 332 upper end of position limiting slide block and position-limited rack 331 In hole, 332 lower end of position limiting slide block is semicircular configuration, and the 332 middle part inner wall of position limiting slide block is provided with annular and cuts Slot is equipped with interior friction block 335 by hinge in annular grooving, the position limiting slide block 332 in Liang Ge lock adjustment mechanism 33 Between be bolted;Limited post 334 is provided with by sliding matching mode in the middle part of the position limiting slide block 332, and is limited Column 334 is connected with the inner wall at 332 middle part of position limiting slide block by compressed spring 333;According to the output bearing of stepper motor main body 1 The vehicle weight of load and the suitable bolt hole of its selection of speed are fixed by position limiting slide block 332;And limited post 334 is fixed on step It is corresponding on into the output shaft of motor body 1 to have on fixation hole, then connected two upper and lower position limiting slide blocks 332 by bolt, Bolt fixes interior friction block 335 and the output shaft locking of stepper motor main body 1 during screwing;The lock adjustment machine of setting Structure 33 can be by adjusting position limiting slide block 332 according to the different weight of carrying carrier of output shaft and the running speed of output shaft Position keeps output shaft to be in a horizontal position always, will not should be load-bearing by bias, protect during output shaft operating It has demonstrate,proved in 1 motion process of stepper motor main body and has stablized, prevented its eccentric vibrating.
When work, in place by motor installation;Compact heap 328 and lid are controlled by screwing level-one adjusting rod 321 2 inside of plate is mutually flexibly connected;It is closed simultaneously according to the vehicle weight of the output shaft of stepper motor main body 1 carrying and its selection of speed Suitable bolt hole is fixed by position limiting slide block 332;And limited post 334 is fixed on corresponding on the output shaft of stepper motor main body 1 Have on fixation hole, then connected two upper and lower position limiting slide blocks 332 by bolt, bolt screw during by interior friction block 335 fix with the output shaft locking of stepper motor main body 1;Finally opening stepper motor main body 1 makes its work.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not limited to the above embodiments, and only illustrating for the description in above embodiments and description is of the invention Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these change and change Into all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent It defines.

Claims (4)

1. one kind can prevent the stepper motor of eccentric operating, including stepper motor main body (1), cover board (2) and balancing device (3), It is characterized by: the output shaft of the stepper motor main body (1) is fixed by balancing device (3), balancing device (3) is mounted on In the cover board of front end (2) of stepper motor main body (1);The cover board (2) is uniformly mounted on stepping electricity by six hex bolts On owner's body (1);The output shaft middle section outer wall of the stepper motor main body (1) is symmetrical above and below to be provided with fixing groove, is located at and fixes Fixation hole is evenly arranged in slot;Wherein:
The balancing device (3) includes mounting ring (31), movable clamping mechanism (32) and lock adjustment mechanism (33), described Mounting ring (31) is mounted in the annular groove being arranged on cover board (2);It is uniformly arranged in the mounting ring (31) there are six mounting hole, It is provided in mounting hole movable clamping mechanism (32), the lock adjustment mechanism (33) is symmetrical above and below to be arranged in mounting ring (31) on front end outer wall, and lock adjustment mechanism (33) and the output shaft of stepper motor main body (1) are mutually fixed;
The movable clamping mechanism (32) include level-one adjusting rod (321), one-stage gear (322), second level adjusting rod (323), Secondary gear (324), driving screw rod (325), tertiary gear (326), fixed frame (327) and compact heap (328), the level-one Adjusting rod (321) is arranged in the mounting hole being arranged on mounting ring (31) by bearing, is equipped in the middle part of level-one adjusting rod (321) One-stage gear (322), the one-stage gear (322) and secondary gear (324) are intermeshed, and secondary gear (324) is mounted on In the middle part of second level adjusting rod (323), second level adjusting rod (323) both ends are mounted on by bearing to be arranged on mounting ring (31) In mounting hole, the secondary gear (324) and tertiary gear (326) are intermeshed, and the tertiary gear (326) is mounted on On fixed frame (327), the fixed frame (327) is mounted in the inner wall of the hole installing being arranged inside mounting ring (31), described Driving screw rod (325) is installed, the compact heap (328) mode of being connected through a screw thread is installed in the middle part of tertiary gear (326) In driving screw rod (325), and the both ends outer wall of compact heap (328) is arranged on mounting ring (31) by sliding matching mode;
The lock adjustment mechanism (33) includes position-limited rack (331), position limiting slide block (332), compressed spring (333), limited post (334) and interior friction block (335);Described position-limited rack (331) upper end is evenly arranged with bolt hole, and position-limited rack passes through on (331) Sliding matching mode is equipped with position limiting slide block (332), is passed through between the position limiting slide block (332) upper end and position-limited rack (331) Bolt is fixed in suitable bolt hole;Position limiting slide block (332) lower end is semicircular configuration, the position limiting slide block (332) middle part inner wall is provided with annular grooving, is equipped with interior friction block (335) in annular grooving by hinge, two locks Determine to be bolted between the position limiting slide block (332) on regulating mechanism (33);Pass through cunning in the middle part of the position limiting slide block (332) Dynamic fit system is provided with limited post (334), and the inner wall in the middle part of limited post (334) and position limiting slide block (332) passes through compression bullet Spring (333) is connected.
2. the stepper motor that one kind according to claim 1 can prevent eccentric operating, it is characterised in that: the driving spiral shell The screw thread of opposite rotation direction is provided on the outer wall at bar (325) both ends.
3. the stepper motor that one kind according to claim 1 can prevent eccentric operating, it is characterised in that: the three-level tooth Outer wall is provided with mounting groove to wheel (326) up and down, is located in mounting groove and ball is arranged.
4. the stepper motor that one kind according to claim 1 can prevent eccentric operating, it is characterised in that: the cover board (2) annular groove is provided on, the inner wall positioned at annular groove is evenly arranged with ball.
CN201910442565.8A 2019-05-25 2019-05-25 A kind of stepper motor preventing eccentric operating Active CN110048581B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910442565.8A CN110048581B (en) 2019-05-25 2019-05-25 A kind of stepper motor preventing eccentric operating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910442565.8A CN110048581B (en) 2019-05-25 2019-05-25 A kind of stepper motor preventing eccentric operating

Publications (2)

Publication Number Publication Date
CN110048581A CN110048581A (en) 2019-07-23
CN110048581B true CN110048581B (en) 2019-11-22

Family

ID=67283522

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910442565.8A Active CN110048581B (en) 2019-05-25 2019-05-25 A kind of stepper motor preventing eccentric operating

Country Status (1)

Country Link
CN (1) CN110048581B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110535278B (en) * 2019-09-20 2020-07-10 山东众泰防爆电机股份有限公司 Motor end cover and motor thereof
CN111162628B (en) * 2020-01-17 2021-01-01 成都安美科燃气技术股份有限公司 Improved motor
CN112510907B (en) * 2020-11-30 2021-12-24 江苏苏美达五金工具有限公司 Alternating current rare earth permanent magnet servo motor
CN112928870B (en) * 2021-02-06 2021-10-29 深圳盈特创智能科技有限公司 Control device and method capable of inhibiting resonance of direct-current brushless high-speed motor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07322581A (en) * 1994-05-17 1995-12-08 Nippon Yusoki Co Ltd Imbalance correction method for rotor of motor
CN2792005Y (en) * 2005-05-24 2006-06-28 重庆德马变频电机研发制造有限公司 Rotor balance block device for variable frequency motor
CN106435694B (en) * 2016-11-08 2019-01-08 天奇自动化工程股份有限公司 Anti-sticking bias pin locking mechanism
CN107707096B (en) * 2017-09-11 2019-07-16 东北大学 A kind of two balancing frame bidirectional modulation on-line dynamic balancing heads of stepper motor driving
CN208158325U (en) * 2018-04-16 2018-11-27 无锡泓阳电动科技有限公司 A kind of balancing end plate for motor rotor locking mechanism
CN108718134B (en) * 2018-06-08 2019-10-18 江苏微特利电机股份有限公司 A kind of motor

Also Published As

Publication number Publication date
CN110048581A (en) 2019-07-23

Similar Documents

Publication Publication Date Title
CN110048581B (en) A kind of stepper motor preventing eccentric operating
CN107110289A (en) Actuator system on bent axle and corresponding method for applying a torque to axle, especially reciprocating engine
KR970074194A (en) Control method of power output device and power output device
CN105073266A (en) Drive control method and drive system operating according to said method
US20060032985A1 (en) Clutch driven reaction wheel steering unit
US8465406B2 (en) Centrifuge including a frame and a bearing device having a pair of cantilevers and a pair of spring elements located between the cantilevers and the frame
CN102050163B (en) Modular driving device of elastic joints of multi-joint hopping robot
CN101003931A (en) Motro drivien sewing machine
US20130029803A1 (en) Assembly with a combustion engine, an electric machine and a planetary gear train arranged therebetween, as well as a method for changing an operating mode of such assembly
CN106015459B (en) It is centrifuged actuator
KR101130896B1 (en) Method of generating rotation about an output axis and motor for generating rotation about an output axis
CN1127029A (en) A dual vibration-compensating apparatus
JPS60113840A (en) Car body vibration reducing device
CN110395194A (en) For adjusting executing agency and the vehicle of vehicle-mounted display terminal
AU682943B2 (en) A vibrational exciter
CN114700245B (en) Vibration device with excitation force self-adjusting function and parameter determining method thereof
CN209088720U (en) Motor mould group, holder and unmanned plane
SU1590140A1 (en) Filtering centrifuge
KR102317658B1 (en) Vibration compensation device for ships with an optional open body housing for easy installation and internal repair
CN109131643A (en) A kind of electric foot support system
JPH0141954Y2 (en)
CN218829462U (en) Servo motor capable of being remotely controlled
CN212149138U (en) Self-balancing device and electric motorcycle with same
SU1597219A1 (en) Filtering centrifuge
CN1097873C (en) Ultra-low-speed electric motor

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20191025

Address after: 314500 Jing Ma Lu, jinjiabang village, zhouquan Town, Tongxiang City, Jiaxing City, Zhejiang Province

Applicant after: Beijing Motor Co., Ltd.

Address before: 230011 Hefei Guoxuan Gaoke Power Energy Co., Ltd. No. 599 Daihe Road, Yaohai District, Hefei City, Anhui Province

Applicant before: Ma Shan

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Stepping motor capable of preventing eccentric operation

Effective date of registration: 20210917

Granted publication date: 20191122

Pledgee: Bank of Hangzhou Limited by Share Ltd. Tongxiang branch

Pledgor: JEAMO MOTOR Co.,Ltd.

Registration number: Y2021330001617

PE01 Entry into force of the registration of the contract for pledge of patent right