CN110966318B - Split brake and motor - Google Patents

Split brake and motor Download PDF

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Publication number
CN110966318B
CN110966318B CN201911241733.3A CN201911241733A CN110966318B CN 110966318 B CN110966318 B CN 110966318B CN 201911241733 A CN201911241733 A CN 201911241733A CN 110966318 B CN110966318 B CN 110966318B
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CN
China
Prior art keywords
brake
hub
iron core
motor
self
Prior art date
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Active
Application number
CN201911241733.3A
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Chinese (zh)
Other versions
CN110966318A (en
Inventor
赵国平
叶小奔
陈飞龙
刘娜
曹希
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.)
Gree Electric Appliances Inc of Zhuhai
Zhuhai Kaibang Motor Manufacture Co Ltd
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Zhuhai Kaibang Motor Manufacture 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 Gree Electric Appliances Inc of Zhuhai, Zhuhai Kaibang Motor Manufacture Co Ltd filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201911241733.3A priority Critical patent/CN110966318B/en
Publication of CN110966318A publication Critical patent/CN110966318A/en
Application granted granted Critical
Publication of CN110966318B publication Critical patent/CN110966318B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/0031—Devices for retaining friction material debris, e.g. dust collectors or filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
    • F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
    • H02K7/1021—Magnetically influenced friction brakes
    • H02K7/1023—Magnetically influenced friction brakes using electromagnets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
    • F16C2226/10—Force connections, e.g. clamping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2361/00—Apparatus or articles in engineering in general
    • F16C2361/45—Brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D2055/0004—Parts or details of disc brakes
    • F16D2055/0008—Brake supports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00—Type of actuator operation force
    • F16D2121/18—Electric or magnetic
    • F16D2121/20—Electric or magnetic using electromagnets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2131/00—Overall arrangement of the actuators or their elements, e.g. modular construction

Abstract

The invention discloses a split brake and a motor, wherein the split brake comprises a brake iron core, an armature, a hub and a friction plate which are arranged in a shell of the brake, the brake iron core is tightly matched with the shell of the brake, the armature is connected with the brake iron core through an elastic piece, the hub which is used for being tightly matched with a rotating shaft of the motor is arranged on one side of the armature, which is far away from the brake iron core, the hub is tightly matched with the brake iron core through a sealing piece, the friction plate is arranged on one side of the hub, which is close to the armature, and the friction; an electric machine comprises a brake, and the brake is the split brake. A split type brake can prevent dust from entering a housing of an encoder and adhering to a code wheel of the encoder; the utility model provides a motor, can improve the reliability during encoder operation through this stopper, lets the parameter during motor operation of encoder accurate measurement to the reliability of motor operation has been improved.

Description

Split brake and motor
Technical Field
The invention relates to the technical field of brake dust prevention, in particular to a split type brake and a motor.
Background
The structure of the motor with the split brake is shown in fig. 1, the split brake is arranged at the non-shaft-extension end of the motor, and the encoder 3 is arranged at one end of the split brake far away from the motor.
When a brake coil of the split brake is electrified, a brake iron core 2-2 is magnetized by a magnetic field of the brake coil, an armature 2-3 is attracted by the magnetized brake iron core 2-2, and in the process that the armature 2-3 is attracted, the armature 2-3 continuously compresses a spring for connecting the armature 2-3 and the brake iron core 2-2 to be close to the brake iron core 2-2, so that the armature 2-3 is separated from a friction plate 2-5 on a hub 2-4, and the motor runs normally, and when the motor runs normally, a hub 2-4, the friction plate 2-5 and an encoder 3 all rotate along with a rotating shaft 1-2 of the motor.
When the brake coil of the split brake is powered off, the brake iron core 2-2 loses the magnetic force for attracting the armature 2-3 and releases the armature 2-3, so that the armature 2-3 is contacted with the friction plate 2-5 on the hub 2-4 under the action of the elastic force of the spring and is rubbed with each other to generate resistance, and the motor stops running.
During the process of the armature 2-3 rubbing against the friction plate 2-5 on the hub 2-4, a large amount of dust is generated. Since there is a gap between the hub 2-4 and the housing 2-1 of the brake and a gap between the housing 2-1 of the brake and the rotating shaft 1-2 of the motor, dust enters the housing 3-1 of the encoder through the gap between the hub 2-4 and the housing 2-1 of the brake and the gap between the housing 2-1 of the brake and the rotating shaft 1-2 of the motor in the direction indicated by the arrow in fig. 1, and adheres to the code wheel of the encoder 3. Since the encoder 3 needs to work in a dust-free environment, the encoder 3 adhered with dust can communicate abnormally, and the running reliability of the encoder 3 is directly affected.
Therefore, how to prevent dust from adhering to the code wheel of the encoder 3 is a technical problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
The present invention is directed to the above-mentioned deficiencies of the prior art, and provides a split brake capable of preventing dust from entering a housing of an encoder and adhering to a code wheel of the encoder.
The invention also provides a motor, and the reliability of the encoder in operation can be improved through the brake, so that the encoder can accurately measure the parameters of the motor in operation, and the reliability of the motor in operation is improved.
In order to realize the purpose, the invention provides the following technical scheme:
the utility model provides a split type stopper, is including locating stopper iron core, armature, wheel hub, the friction disc in the casing of stopper, the casing tight fit of stopper iron core and stopper, armature pass through the elastic component and are connected with the stopper iron core for locate one side that the stopper iron core was kept away from to armature with the wheel hub of the pivot tight fit of motor, wheel hub passes through sealing member and stopper iron core tight fit, and one side that wheel hub is close to armature is located to the friction disc, and the friction disc is connected with wheel hub.
Preferably, the sealing element is a self-sealing bearing.
Preferably, the inner ring of the self-sealing bearing is tightly matched with the hub, and the outer ring of the self-sealing bearing is tightly matched with the brake iron core.
Preferably, the inner ring of the self-sealing bearing and the hub form a tight fit in a cold pressing or hot sleeving manner, and the outer ring of the self-sealing bearing and the brake iron core form a tight fit in a cold pressing or hot sleeving manner.
Preferably, the inner ring of the self-sealing bearing is tightly matched with the hub, and the outer ring of the self-sealing bearing is tightly matched with the shell of the brake.
Preferably, the inner ring of the self-sealing bearing and the hub form a tight fit in a cold pressing or hot sleeving manner, and the outer ring of the self-sealing bearing and the shell of the brake form a tight fit in a cold pressing or hot sleeving manner.
Preferably, the brake iron core and the shell of the brake form a tight fit in a cold pressing or hot sleeving mode.
Preferably, the hub and the rotating shaft of the motor form a tight fit in a cold pressing or hot sleeving manner.
Preferably, sealant is coated between the hub and the rotating shaft of the motor, between the sealing element and the hub, and between the sealing element and the shell of the brake.
An electric machine comprises a brake, and the brake is the split brake.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention can prevent dust generated by mutual friction between the armature and the friction plate from entering the shell of the encoder when the motor is braked emergently, so that the dust cannot be adhered to the code wheel of the encoder, the neat working environment of the encoder is fully ensured, the problem of abnormal communication caused by the adhesion of the dust to the code wheel of the encoder is avoided, and the reliability of the encoder in operation is improved.
2. By adopting the self-sealing bearing, the invention can meet the relative rotation between the hub and the shell of the brake and simultaneously can prevent dust from flowing out from a gap between the hub and the shell of the brake.
3. The invention forms tight fit by adopting a cold pressing or hot sleeving mode, and has simple and reliable working procedures.
4. The sealing glue is adopted, so that the sealing performance between the hub and the rotating shaft of the motor, between the sealing element and the hub and between the sealing element and the shell of the brake can be further improved.
5. The invention can improve the running reliability of the encoder through the brake, so that the encoder can accurately measure the running parameters of the motor, thereby improving the running reliability of the motor.
Drawings
Fig. 1 is a schematic structural diagram of a motor with a split brake in the background art;
FIG. 2 is a schematic structural diagram of a brake core in the prior art;
fig. 3 is a schematic structural view of the split brake of embodiment 1 in use;
fig. 4 is a schematic structural view of a brake core of embodiment 1;
fig. 5 is a schematic view of an application structure of the split brake according to embodiment 2.
In the figure:
1-1-the shell of the motor, 1-2-the rotating shaft of the motor,
2-1-a shell of the brake, 2-1-1-a first end cover, 2-1-2-a second end cover, 2-2-a brake iron core, 2-3-an armature, 2-4-a hub, 2-5-a friction plate, 2-6-a self-sealing bearing,
3-encoder, 3-1-housing of encoder.
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.
The first embodiment is as follows:
the first split brake of this embodiment is installed at the non-shaft-extension end of the motor, and the encoder 3 is installed at the end of the first split brake of this embodiment, which is far away from the motor.
A split brake of the first embodiment is shown in fig. 3 and comprises a brake shell 2-1, a brake iron core 2-2, an armature 2-3, a hub 2-4 and a friction plate 2-5.
The shell 2-1 of the brake comprises a first end cover 2-1-1 and a second end cover 2-1-2, and the first end cover 2-1-1 and the second end cover 2-1-2 are fixed through screws. The first end cover 2-1-1 is fixed with a shell 1-1 of the motor through a screw, and the second end cover 2-1-2 is in clearance fit with a rotating shaft 1-2 of the motor.
The brake iron core 2-2, the armature 2-3, the hub 2-4 and the friction plate 2-5 are all arranged in the first end cover 2-1-1.
The brake iron core 2-2 is tightly matched with the first end cover 2-1-1 in a cold pressing or hot sleeve mode. The armature 2-3 is arranged at one end of the brake iron core 2-2 far away from the motor, the armature 2-3 is connected with the brake iron core 2-2 through an elastic piece, and the elastic piece is a spring. The hub 2-4 is arranged on one side of the armature 2-3 far away from the brake iron core 2-2, and the hub 2-4 and the rotating shaft 1-2 of the motor form tight fit in a cold pressing or hot sleeving mode. The friction plate 2-5 is fixed on one side of the hub 2-4 close to the armature 2-3.
A seal is provided between the hub 2-4 and the brake core 2-2. In the first embodiment, the sealing element is a self-sealing bearing 2-6, an inner ring of the self-sealing bearing 2-6 is in close fit with the hub in a cold pressing or hot sleeving manner, and an outer ring of the self-sealing bearing 2-6 is in close fit with the brake iron core 2-2 in a cold pressing or hot sleeving manner.
Because the hub 2-4 is in close fit with the rotating shaft 1-2 of the motor, the inner ring of the self-sealing bearing 2-6 is in close fit with the hub 2-4, the outer ring of the self-sealing bearing 2-6 is in close fit with the brake iron core 2-2, and the brake iron core 2-2 is in close fit with the first end cover 2-1-1, when the motor is braked emergently, dust generated by mutual friction between the armature 2-3 and the friction plate 2-5 cannot enter the shell 3-1 of the encoder, the dust cannot be adhered to a code disc of the encoder 3, the clean working environment of the encoder 3 is fully ensured, the problem that the code disc of the encoder 3 is abnormal in communication due to the dust adhesion is avoided, and the running reliability of the encoder 3 is improved.
Moreover, compared with the brake iron core 2-2 in the background art shown in fig. 2, referring to the brake iron core 2-2 in the first embodiment shown in fig. 4, it can be seen that the size of the brake iron core 2-2 is increased by the split brake in the first embodiment, so that the magnetic force of the brake iron core 2-2 is increased, and therefore, the heat generated by the brake coil is correspondingly reduced, and the temperature rise of the split brake in the first embodiment is effectively reduced, so that the effective reduction of the temperature rise of the whole machine is realized.
In addition, in order to further ensure the reliability of the tight fit between the wheel hub 2-4 and the rotating shaft 1-2 of the motor, the reliability of the tight fit between the inner ring of the self-sealing bearing 2-6 and the wheel hub 2-4, the reliability of the tight fit between the outer ring of the self-sealing bearing 2-6 and the brake iron core 2-2 and the reliability of the tight fit between the brake iron core 2-2 and the first end cover 2-1-1, in the split brake of the first embodiment, sealant is coated on the tight fit position of the hub 2-4 and the rotating shaft 1-2 of the motor, the tight fit position of the inner ring of the self-sealing bearing 2-6 and the hub 2-4, the tight fit position of the outer ring of the self-sealing bearing 2-6 and the brake iron core 2-2, and the tight fit position of the brake iron core 2-2 and the first end cover 2-1-1.
Example two:
the second split brake of this embodiment is installed at the non-shaft-extension end of the motor, and the encoder 3 is installed at the end of the second split brake of this embodiment, which is far away from the motor.
A split brake of the second embodiment is shown in fig. 5 and comprises a shell 2-1 of the brake, a brake iron core 2-2, an armature 2-3, a hub 2-4 and a friction plate 2-5.
The shell 2-1 of the brake comprises a first end cover 2-1-1 and a second end cover 2-1-2, and the first end cover 2-1-1 and the second end cover 2-1-2 are fixed through screws. The first end cover 2-1-1 is fixed with a shell 1-1 of the motor through a screw, and the second end cover 2-1-2 is in clearance fit with a rotating shaft 1-2 of the motor.
The brake iron core 2-2, the armature 2-3, the hub 2-4 and the friction plate 2-5 are all arranged in the first end cover 2-1-1.
The brake iron core 2-2 is tightly matched with the first end cover 2-1-1 in a cold pressing or hot sleeve mode. The armature 2-3 is arranged at one end of the brake iron core 2-2 far away from the motor, the armature 2-3 is connected with the brake iron core 2-2 through an elastic piece, and the elastic piece is a spring. The hub 2-4 is arranged on one side of the armature 2-3 far away from the brake iron core 2-2, and the hub 2-4 and the rotating shaft 1-2 of the motor form tight fit in a cold pressing or hot sleeving mode. The friction plate 2-5 is fixed on one side of the hub 2-4 close to the armature 2-3.
A seal is provided between the hub 2-4 and the brake core 2-2. In the second embodiment, the sealing element is a self-sealing bearing 2-6, the inner ring of the self-sealing bearing 2-6 is tightly matched with the hub 2-4 in a cold pressing or hot sleeving manner, and the outer ring of the self-sealing bearing 2-6 is tightly matched with the first end cover 2-1 in a cold pressing or hot sleeving manner.
Because the hub 2-4 is in close fit with the rotating shaft 1-2 of the motor, the inner ring of the self-sealing bearing 2-6 is in close fit with the hub 2-4, and the outer ring of the self-sealing bearing 2-6 is in close fit with the first end cover 2-1-1, when the motor is braked emergently, dust generated by mutual friction between the armature 2-3 and the friction plate 2-5 cannot enter the shell 3-1 of the encoder, the dust cannot be adhered to a code disc of the encoder 3, the clean working environment of the encoder 3 is fully ensured, the problem that the code disc of the encoder 3 is abnormal in communication due to the adhesion of the dust is avoided, and the reliability of the operation of the encoder 3 is improved.
Example three:
an electric machine comprises a brake, and the brake is the split brake. The brake can improve the running reliability of the encoder 3, so that the encoder 3 can accurately measure the running parameters of the motor, and the running reliability of the motor is improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (6)

1. A split brake comprises a brake iron core, an armature, a hub and a friction plate, wherein the brake iron core, the armature, the hub and the friction plate are arranged in a shell of the brake; sealant is respectively coated between the hub and the rotating shaft of the motor, between the sealing element and the hub and between the sealing element and the shell of the brake; the sealing element adopts a self-sealing bearing; the brake iron core and the shell of the brake form tight fit in a cold pressing or hot sleeving mode; the hub and the rotating shaft of the motor form tight fit in a cold pressing or hot sleeving mode.
2. The split brake of claim 1, wherein the inner race of the self-sealing bearing is a tight fit with the hub and the outer race of the self-sealing bearing is a tight fit with the brake core.
3. The split brake of claim 2, wherein the inner ring of the self-sealing bearing is tightly fitted with the hub by means of cold pressing or hot sleeving, and the outer ring of the self-sealing bearing is tightly fitted with the brake iron core by means of cold pressing or hot sleeving.
4. A split brake as claimed in claim 3, wherein the inner race of the self-sealing bearing is a close fit to the hub and the outer race of the self-sealing bearing is a close fit to the housing of the brake.
5. The split brake of claim 4, wherein the inner ring of the self-sealing bearing is tightly fitted with the hub by means of cold pressing or hot sleeving, and the outer ring of the self-sealing bearing is tightly fitted with the housing of the brake by means of cold pressing or hot sleeving.
6. An electric machine comprising a brake, characterized in that the brake is a split brake as claimed in any one of claims 1-5.
CN201911241733.3A 2019-12-06 2019-12-06 Split brake and motor Active CN110966318B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911241733.3A CN110966318B (en) 2019-12-06 2019-12-06 Split brake and motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911241733.3A CN110966318B (en) 2019-12-06 2019-12-06 Split brake and motor

Publications (2)

Publication Number Publication Date
CN110966318A CN110966318A (en) 2020-04-07
CN110966318B true CN110966318B (en) 2021-04-27

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ID=70033226

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911241733.3A Active CN110966318B (en) 2019-12-06 2019-12-06 Split brake and motor

Country Status (1)

Country Link
CN (1) CN110966318B (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10335639A1 (en) * 2003-08-04 2005-03-03 Chr. Mayr Gmbh + Co Kg Clutch brake combination
DE102012203167A1 (en) * 2011-06-20 2012-12-20 Continental Teves Ag & Co. Ohg Sealing arrangement for piston of motor vehicle brake, has dynamically stressed sealing rim provided for attachment at actuating element, and seal inserted into retainer in axial direction and axially parallel to bore
CN203516554U (en) * 2013-09-18 2014-04-02 上海德驱驰电气有限公司 Motor brake
CN203962798U (en) * 2014-06-10 2014-11-26 上海德驱驰电气有限公司 Electromotor brake handle release locking structure
CN207975167U (en) * 2017-12-25 2018-10-16 珠海格力节能环保制冷技术研究中心有限公司 Brake and motor with it

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CN110966318A (en) 2020-04-07

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