CN114688190A - Lightweight electromagnetic power-off brake with strong universality - Google Patents
Lightweight electromagnetic power-off brake with strong universality Download PDFInfo
- Publication number
- CN114688190A CN114688190A CN202210418934.1A CN202210418934A CN114688190A CN 114688190 A CN114688190 A CN 114688190A CN 202210418934 A CN202210418934 A CN 202210418934A CN 114688190 A CN114688190 A CN 114688190A
- Authority
- CN
- China
- Prior art keywords
- brake
- armature
- handle
- release
- stator shell
- 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.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model provides a lightweight electromagnetism that commonality is strong loses electric brake, relates to electromagnetism and loses electric brake technical field for solve current stopper can't only through the technical problem of a section in order to adapt to multiple model motor demand. The light electromagnetic power-off brake with high universality comprises a coil assembly and a framework oil seal which are arranged in a stator shell; the release spring is placed in a spring mounting hole of the stator shell, the armature is placed above the release spring and is in contact with the release spring, and the hollow bolt penetrates through a through hole of the armature and is in threaded connection with the stator shell; a handle fixing pin is arranged in the release handle assembly, and a handle screw penetrates through the stator shell by the armature and penetrates through the stator shell to be in threaded connection with the handle fixing pin; the rotor subassembly is connected with the motor shaft, and the inboard friction material and the armature contact of rotor subassembly, and the ring flange laminating is in the outside friction material of rotor subassembly, and the construction bolt penetrates and runs through behind armature and the hollow bolt through the ring flange by stator housing simultaneously and wear out.
Description
Technical Field
The invention relates to the technical field of electromagnetic power-off brakes, in particular to a light electromagnetic power-off brake with strong universality.
Background
At present, an electromagnetic power-off brake in the market is the most common type of brake, and is widely applied to machinery such as metallurgy, building, chemical engineering, food, machine tools, printing, packaging and the like, and braking occasions such as power-off (danger prevention) and the like. The brake has the advantages of compact structure, convenient installation, wide adaptability, low noise, high working frequency, sensitive action, reliable braking and the like, and is an ideal automatic execution element.
When the electromagnetic power-off brake works, the electromagnetic power-off brake is externally connected with a rectifier, single-phase alternating current is rectified into direct current, after the direct current is obtained, a winding generates a magnetic field, the armature is sucked back, and meanwhile, the armature compresses a spring fixed in an iron core; when the power is lost, the winding discharges, the spring ejects the armature, and the armature generates braking torque on the friction disc, so that the motor stops.
In recent years, with the rapid development of wind power industry, a brake matched with a motor and applied to wind power is gradually increased; the power-loss electromagnetic brake is the brake most widely used in the wind power market, and firmly occupies 80% of the leading position in the wind power market. However, the inventor of the present application finds that the brakes in the existing wind power market are generally one serial number of brakes corresponding to one base number of motors, resulting in poor brake universality; in addition, the overall appearance of the existing brake has large structural size and heavy weight.
Disclosure of Invention
The invention aims to provide a light-weight electromagnetic power-off brake with strong universality, which is used for solving the technical problem that the existing brake can not meet the requirements of motors of various models only through one type, namely the brake can enhance the universality, effectively reduce the manufacturing cost, reduce the overall dimension and lighten the product weight.
In order to achieve the purpose, the invention adopts the following technical scheme:
a lightweight electromagnetic power-off brake with strong universality comprises: the device comprises a release handle assembly, a stator shell, a handle fixing pin, a framework oil seal, a mounting bolt, a gasket, a sealant, an armature, a release spring, a flange plate, a spline sleeve, a rotor assembly, a coil assembly, a handle screw and a hollow bolt;
the electromagnetic wire is wound on a coil tool to be formed in a winding mode, and is sleeved on a coil framework to form the coil assembly, the coil assembly is installed in the stator shell, meanwhile, the sealant is injected into the stator shell to achieve encapsulation, and the framework oil seal is installed in the stator shell through an oil seal tool;
the release spring is placed in a spring mounting hole of the stator shell, the armature is placed above the release spring and is in contact with the release spring, and the hollow bolt penetrates through a through hole of the armature and is in threaded connection with the stator shell;
the release handle assembly is internally provided with the handle fixing pin and sealed by sealant, the gasket is sleeved on the handle screw, the handle screw penetrates through the stator shell by the armature and penetrates through the stator shell to be in threaded connection with the handle fixing pin, and the release handle assembly is pulled to manually control the actuation and release of the armature;
the rotor subassembly passes through the spline housing is connected with the motor shaft, just the inboard friction material of rotor subassembly with armature contact, the ring flange laminate in the outside friction material of rotor subassembly, simultaneously mounting bolt by stator housing penetrates and runs through armature reaches behind the hollow bolt the ring flange is worn out.
And a handle spring is sleeved outside the handle screw of the release handle assembly.
Specifically, the outer side of the stator housing is provided with a dust cover.
Furthermore, the stator shell is provided with a handle screw hole, an installation bolt hole, a coil clamping groove, a release spring hole and a lead wire outlet hole;
the handle screw hole is matched with the handle screw, the mounting bolt hole is matched with the mounting bolt, the coil clamping groove is matched with the coil assembly, and the release spring hole is matched with the release spring.
Furthermore, the electromagnetic power-off brake is fixedly arranged on a rear end cover of the motor.
Preferably, the electromagnetic power-off brake is fixedly mounted in a fixing hole of the rear end cover through a fixing bolt.
Compared with the prior art, the light electromagnetic power-off brake with strong universality has the following advantages:
the light-weight electromagnetic power-off brake with strong universality provided by the invention has the advantages that under the condition of meeting the requirement of brake pull-in and release, the coil is continuously optimized through electromagnetic simulation, the diameter of the electromagnetic wire is reduced, the size of the coil is compressed, the spring model selection is carried out again, the size of the spring hole is redesigned according to the simulation result, meanwhile, the placing positions and the number of the springs are rearranged, the external diameter and the internal diameter of the whole stator are reduced, and the weight of the whole stator is reduced; on the basis of optimizing and reducing the size of the coil, on the premise of not changing the overall strength requirement of the brake, the size of the brake mounting hole is optimally designed again, and the reference circle diameter of the three bolt mounting holes is optimized, so that the requirement that one brake can be suitable for motors with 112 models and 132 models is met, and the weight of the whole machine is greatly reduced.
Drawings
Fig. 1 is a schematic structural diagram of a lightweight electromagnetic power-off brake with strong universality, provided by an embodiment of the invention;
fig. 2 is a schematic cross-sectional structure view of a lightweight electromagnetic power-off brake with strong versatility according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a stator housing in a lightweight electromagnetic power-off brake with strong universality according to an embodiment of the present invention;
fig. 4 is a schematic view of an assembly structure of a light electromagnetic power-off brake with strong universality and a 112 motor according to an embodiment of the present invention;
fig. 5 is an assembly structure diagram of a light electromagnetic power-off brake and a 132 motor with strong universality according to an embodiment of the present invention.
Reference numerals:
1-releasing the handle assembly; 2-a stator housing; 3-handle fixing pin; 4-framework oil seal; 5, mounting a bolt; 6-handle spring; 7-a gasket; 8-sealing glue; 9-an armature; 10-releasing the spring; 11-a flange plate; 12-spline housing; 13-a rotor assembly; 14-a coil assembly; 15-handle screws; 16-a dust cover; 17-a hollow bolt; 18-handle screw holes; 19-mounting screw holes; 20-coil card slot; 21-releasing the spring hole; 22-lead wire outlet hole; 23-a fixing bolt; a-an electromagnetic power-off brake; b-rear end cap.
Detailed Description
For convenience of understanding, the light electromagnetic power-off brake with strong universality provided by the embodiment of the invention is described in detail below with reference to the attached drawings.
An embodiment of the present invention provides a lightweight electromagnetic power-off brake with strong versatility, as shown in fig. 1 and 2, including: the device comprises a release handle assembly 1, a stator shell 2, a handle fixing pin 3, a framework oil seal 4, a mounting bolt 5, a gasket 7, a sealant 8, an armature 9, a release spring 10, a flange plate 11, a spline housing 12, a rotor assembly 13, a coil assembly 14, a handle screw 15 and a hollow bolt 17;
the electromagnetic wire is wound on a coil tool through a winding machine to be formed in a winding mode, the electromagnetic wire is sleeved on a coil framework to form a coil assembly 14, the coil assembly 14 is installed in the stator shell 2, meanwhile, the sealant 8 is injected into the stator shell 2 to achieve encapsulation, and the framework oil seal 4 is installed in the stator shell 2 through an oil seal tool;
the release spring 10 is placed in a spring mounting hole of the stator shell 2, the armature 9 is placed above the release spring 10 and is in contact with the release spring 10, and the hollow bolt 17 penetrates through a through hole of the armature 9 and is in threaded connection with the stator shell 2;
the release handle assembly 1 is internally provided with a handle fixing pin 3 and sealed by le Tai 207 sealant, a gasket 7 is sleeved on a handle screw 15, the handle screw 15 penetrates through the stator shell 2 by an armature 9 and is in threaded connection with the handle fixing pin 3, and the armature 9 can be manually controlled to attract and release by pulling the release handle assembly 1;
Compared with the prior art, the light-weight electromagnetic power-off brake with strong universality has the following advantages:
the light-weight electromagnetic power-off brake with the strong universality provided by the embodiment of the invention has the advantages that under the condition of meeting the requirements of brake pull-in and release, the coil is continuously optimized through electromagnetic simulation, the wire diameter of the electromagnetic wire is reduced, the size of the coil is compressed, the spring model selection is carried out again, the size of the spring hole is redesigned according to the simulation result, meanwhile, the placing positions and the number of the springs are rearranged, the external diameter and the internal diameter of the whole stator are reduced, and the weight of the whole stator is reduced; on the basis of optimizing and reducing the size of the coil, on the premise of not changing the overall strength requirement of the brake, the size of the brake mounting hole is optimally designed again, and the reference circle diameter of the three bolt mounting holes is optimized, so that the requirement that one brake can be suitable for motors with 112 models and 132 models is met, and the weight of the whole machine is greatly reduced.
As shown in fig. 2, a handle spring 6 is sleeved outside a handle screw 15 of the release handle assembly 1, so that the operation of pulling the release handle assembly 1 to manually control the attraction and release of the armature 9 is facilitated.
Specifically, as shown in fig. 2, a dust cover 16 may be provided on the outside of the stator housing 2, so that the dust cover 16 effectively prevents dust and prolongs the service life of the brake.
Further, as shown in fig. 3, the stator housing 2 has a handle screw hole 18, a mounting bolt hole 19, a coil catch groove 20, a release spring hole 21, and a lead wire outlet hole 22;
the handle screw hole 18 is matched with the handle screw 15, the mounting bolt hole 19 is matched with the mounting bolt 5, the coil clamping groove 20 is matched with the coil assembly 14, and the release spring hole 21 is matched with the release spring 10;
in addition, the handle screw holes 18 are two and circumferentially equally spaced in the stator housing 2 and located in the outer ring of the coil clamping groove 20, the mounting bolt holes 19 are three and circumferentially equally spaced in the outer ring of the stator housing 2 and located in the coil clamping groove 20, and the release spring holes 21 are six and circumferentially equally spaced in the inner ring of the stator housing 2 and located in the coil clamping groove 20.
Furthermore, as shown in fig. 4 and 5, the electromagnetic power-off brake a provided by the embodiment of the invention can be fixedly mounted on the rear end cover B of the motor after the gap is adjusted.
Preferably, as shown in fig. 4 and 5, the electromagnetic power-off brake a provided by the embodiment of the present invention may be fixedly mounted to the fixing hole of the rear end cover B by the fixing bolt 23.
Alternatively, as shown in fig. 4, the electromagnetic power-off brake a provided by the embodiment of the invention may be fixedly mounted to a fixing hole of a rear end cover B of the 112 motor by a fixing bolt 23.
Alternatively, as shown in fig. 5, the electromagnetic power-off brake a provided by the embodiment of the invention may be fixedly mounted to the fixing hole of the rear end cover B of the 132 motor by the fixing bolt 23.
In summary, the lightweight electromagnetic power-off brake with strong universality provided by the embodiment of the invention mainly has the following advantages:
under the condition of meeting the requirement of brake pull-in release, continuously optimizing a coil through electromagnetic simulation, reducing the wire diameter of an electromagnetic wire, compressing the coil size, re-selecting a spring, re-designing the size of a spring hole according to a simulation result, and re-arranging the placement positions and the number of the springs, so that the outer diameter and the inner diameter of the whole stator are reduced, and the weight of the whole stator is reduced;
on the basis of optimizing and reducing the size of the coil, on the premise of not changing the overall strength requirement of the brake, the size of the brake mounting hole is designed again in an optimized mode, and the reference circle diameter of the three bolt mounting holes is optimized, so that the requirement that one brake can be suitable for motors with 112 models and 132 models is met, and meanwhile the weight of the whole machine is greatly reduced.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (6)
1. The utility model provides a lightweight electromagnetism that commonality is strong loses electric brake which characterized in that includes: the device comprises a release handle assembly, a stator shell, a handle fixing pin, a framework oil seal, a mounting bolt, a gasket, a sealant, an armature, a release spring, a flange plate, a spline sleeve, a rotor assembly, a coil assembly, a handle screw and a hollow bolt;
the electromagnetic wire is wound on a coil tool to be formed in a winding mode, and is sleeved on a coil framework to form the coil assembly, the coil assembly is installed in the stator shell, meanwhile, the sealant is injected into the stator shell to achieve encapsulation, and the framework oil seal is installed in the stator shell through an oil seal tool;
the release spring is placed in a spring mounting hole of the stator shell, the armature is placed above the release spring and is in contact with the release spring, and the hollow bolt penetrates through a through hole of the armature and is in threaded connection with the stator shell;
the release handle assembly is internally provided with the handle fixing pin and sealed by sealant, the gasket is sleeved on the handle screw, the handle screw penetrates through the armature and penetrates through the stator shell to be in threaded connection with the handle fixing pin, and the release handle assembly is pulled to manually control the actuation and release of the armature;
the rotor subassembly passes through the spline housing is connected with the motor shaft, just the inboard friction material of rotor subassembly with armature contact, the ring flange laminate in the outside friction material of rotor subassembly, simultaneously mounting bolt by stator housing penetrates and runs through armature reaches behind the hollow bolt the ring flange is worn out.
2. The lightweight electromagnetic power-off brake with high universality according to claim 1, characterized in that a handle spring is sleeved outside the handle screw of the release handle assembly.
3. The high-universality light-weight electromagnetic power-loss brake according to claim 1, characterized in that a dust cover is arranged on the outer side of the stator shell.
4. The lightweight, high-versatility, high-weight, electromagnetic power loss brake of any of claims 1-3 wherein said stator housing has handle screw holes, mounting bolt holes, coil slots, release spring holes, and lead wire outlet holes;
the handle screw hole is matched with the handle screw, the mounting bolt hole is matched with the mounting bolt, the coil clamping groove is matched with the coil assembly, and the release spring hole is matched with the release spring.
5. The lightweight electromagnetic power-off brake with high universality according to claim 4, characterized in that the electromagnetic power-off brake is fixedly mounted on a rear end cover of a motor.
6. The lightweight electromagnetic power-off brake with high universality according to claim 5, characterized in that the electromagnetic power-off brake is fixedly installed in a fixing hole of the rear end cover through a fixing bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210418934.1A CN114688190B (en) | 2022-04-20 | 2022-04-20 | Lightweight electromagnetic power-off brake with strong universality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210418934.1A CN114688190B (en) | 2022-04-20 | 2022-04-20 | Lightweight electromagnetic power-off brake with strong universality |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114688190A true CN114688190A (en) | 2022-07-01 |
| CN114688190B CN114688190B (en) | 2023-08-08 |
Family
ID=82145344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210418934.1A Active CN114688190B (en) | 2022-04-20 | 2022-04-20 | Lightweight electromagnetic power-off brake with strong universality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114688190B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB561776A (en) * | 1941-11-28 | 1944-06-05 | Igranic Electric Co Ltd | Improvement in electromagnetic brakes |
| GB1198952A (en) * | 1967-07-21 | 1970-07-15 | Bbc Brown Boveri & Cie | Improvements in or relating to Electromagnetic Brakes |
| IT7948601A0 (en) * | 1978-07-25 | 1979-04-03 | Binder Magnete | ELASTIC PRESSURE BRAKE WITH GNETIC ELECTROMA LIFTING DEVICE |
| DE3143891C1 (en) * | 1981-11-05 | 1983-05-05 | Binder Magnete GmbH, 7730 Villingen-Schwenningen | Electromagnetically operated spring pressure brake |
| DE3338289A1 (en) * | 1983-10-21 | 1985-05-02 | Maschinenfabrik Stromag Gmbh, 4750 Unna | Spring pressure-actuated and electromagnetically releasable friction brake |
| JPH061870U (en) * | 1992-06-15 | 1994-01-14 | 小倉クラッチ株式会社 | Non-excitation actuated electromagnetic brake |
| DE102006016434A1 (en) * | 2006-04-07 | 2007-10-11 | Chr. Mayr Gmbh & Co. Kg | Square brake |
| CN102297224A (en) * | 2011-08-25 | 2011-12-28 | 成都瑞迪机械实业有限公司 | Disc double multi-step buffer low-noise brake |
| CN202188052U (en) * | 2011-08-25 | 2012-04-11 | 成都瑞迪机械实业有限公司 | Disk type double multi-step buffer low-noise brake |
| WO2016123289A1 (en) * | 2015-01-29 | 2016-08-04 | Ebo Group, Inc. | Electromagnetic-released, multi-disc enclosed safety brake |
| CN106763323A (en) * | 2015-11-23 | 2017-05-31 | Chr.麦尔有限公司及两合公司 | The spring pressure brake with electromagnetic mode loosening of multiloop triangle brake structure pattern |
| CN110848290A (en) * | 2019-11-12 | 2020-02-28 | 江麓机电集团有限公司 | Integrated electromagnetic power-off brake capable of being manually released and locked |
| DE102020006060A1 (en) * | 2020-10-05 | 2022-04-07 | Chr. Mayr Gmbh + Co. Kg | Electromagnetic spring-loaded brake and manufacturing method |
-
2022
- 2022-04-20 CN CN202210418934.1A patent/CN114688190B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB561776A (en) * | 1941-11-28 | 1944-06-05 | Igranic Electric Co Ltd | Improvement in electromagnetic brakes |
| GB1198952A (en) * | 1967-07-21 | 1970-07-15 | Bbc Brown Boveri & Cie | Improvements in or relating to Electromagnetic Brakes |
| IT7948601A0 (en) * | 1978-07-25 | 1979-04-03 | Binder Magnete | ELASTIC PRESSURE BRAKE WITH GNETIC ELECTROMA LIFTING DEVICE |
| DE3143891C1 (en) * | 1981-11-05 | 1983-05-05 | Binder Magnete GmbH, 7730 Villingen-Schwenningen | Electromagnetically operated spring pressure brake |
| DE3338289A1 (en) * | 1983-10-21 | 1985-05-02 | Maschinenfabrik Stromag Gmbh, 4750 Unna | Spring pressure-actuated and electromagnetically releasable friction brake |
| JPH061870U (en) * | 1992-06-15 | 1994-01-14 | 小倉クラッチ株式会社 | Non-excitation actuated electromagnetic brake |
| DE102006016434A1 (en) * | 2006-04-07 | 2007-10-11 | Chr. Mayr Gmbh & Co. Kg | Square brake |
| CN101421533A (en) * | 2006-04-07 | 2009-04-29 | Chr.迈尔有限公司及两合公司 | Electromagnetically released spring pressure brake in the form of a dual-circuit square brake |
| CN102297224A (en) * | 2011-08-25 | 2011-12-28 | 成都瑞迪机械实业有限公司 | Disc double multi-step buffer low-noise brake |
| CN202188052U (en) * | 2011-08-25 | 2012-04-11 | 成都瑞迪机械实业有限公司 | Disk type double multi-step buffer low-noise brake |
| WO2016123289A1 (en) * | 2015-01-29 | 2016-08-04 | Ebo Group, Inc. | Electromagnetic-released, multi-disc enclosed safety brake |
| CN106763323A (en) * | 2015-11-23 | 2017-05-31 | Chr.麦尔有限公司及两合公司 | The spring pressure brake with electromagnetic mode loosening of multiloop triangle brake structure pattern |
| CN110848290A (en) * | 2019-11-12 | 2020-02-28 | 江麓机电集团有限公司 | Integrated electromagnetic power-off brake capable of being manually released and locked |
| DE102020006060A1 (en) * | 2020-10-05 | 2022-04-07 | Chr. Mayr Gmbh + Co. Kg | Electromagnetic spring-loaded brake and manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114688190B (en) | 2023-08-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204131349U (en) | Axial-gap permanent-magnet synchronous motor | |
| WO2016173187A1 (en) | Plastic encapsulated stator of external rotor electric motor and external rotor electric motor using same | |
| CN102723828B (en) | Portable permanent-magnet direct-drive double-stator wind power generator | |
| CN102235452A (en) | Permanent magnet powerless magnetic brake | |
| CN201891780U (en) | DC (direct current) electromagnetic brake | |
| CN114688190A (en) | Lightweight electromagnetic power-off brake with strong universality | |
| CN201896895U (en) | Dustproof electromagnetic brake | |
| CN206918128U (en) | It is a kind of with noise-reducing structure without excitation brake | |
| CN211239582U (en) | High-speed direct-current brushless motor for automobile brake system | |
| CN202808258U (en) | Elevator brake | |
| CN202840800U (en) | Motor with brake | |
| CN201639426U (en) | Electromagnetic brake single-phase asynchronous motor | |
| CN201328046Y (en) | Disk rotor braking device for braking motor | |
| CN202197169U (en) | Conical brake motor with cylindrical rotor | |
| CN201805332U (en) | Electromagnetic braking three-phase asynchronous motor | |
| CN202651984U (en) | Brake motor | |
| CN2807586Y (en) | Solid rotor brake motor | |
| CN202145616U (en) | Permanent magnet electric loss electromagnetic brake | |
| CN214945904U (en) | Ultrathin excitation-free brake for mechanical arm joint | |
| CN209943385U (en) | Brake for metal plate support | |
| CN220956545U (en) | Electromagnetic brake assembly and lifter | |
| CN202405897U (en) | Heat dissipation hole type light-duty rotor body of wind driven generator and wind driven generator | |
| CN222141839U (en) | A soft-release AC electromagnetic brake | |
| CN201590709U (en) | Rear end cover type safety brake | |
| CN110649731A (en) | Column type coreless 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |