CN114688190B - Lightweight electromagnetic power-off brake with strong universality - Google Patents
Lightweight electromagnetic power-off brake with strong universality Download PDFInfo
- Publication number
- CN114688190B CN114688190B CN202210418934.1A CN202210418934A CN114688190B CN 114688190 B CN114688190 B CN 114688190B CN 202210418934 A CN202210418934 A CN 202210418934A CN 114688190 B CN114688190 B CN 114688190B
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- Prior art keywords
- handle
- armature
- electromagnetic power
- brake
- release
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Classifications
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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
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
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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
- 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
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- 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
A lightweight electromagnetic power-off brake with strong universality relates to the technical field of electromagnetic power-off brakes and is used for solving the technical problem that the existing brake cannot adapt to the requirements of various types of motors only through one type. The light electromagnetic power-off brake with strong universality is characterized in that a coil assembly and a framework oil seal 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 contacted 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 component is internally provided with a handle fixing pin, and a handle screw is penetrated by the armature iron and penetrates through the stator shell to be in threaded connection with the handle fixing pin; the rotor assembly is connected with the motor shaft, the inner friction material of the rotor assembly is contacted with the armature, the flange plate is attached to the outer friction material of the rotor assembly, and meanwhile the mounting bolts penetrate through the stator shell, penetrate through the armature and the hollow bolts and then penetrate out through the flange plate.
Description
Technical Field
The invention relates to the technical field of electromagnetic power-off brakes, in particular to a lightweight electromagnetic power-off brake with strong universality.
Background
Currently, electromagnetic power-off brakes are the most common type of brakes in the market, and are widely applied to machines such as metallurgy, construction, chemical industry, food, machine tools, printing, packaging and the like, and braking occasions such as power failure (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 executive element.
When the electromagnetic power-off brake specifically works, the electromagnetic power-off brake is externally connected with a rectifier, single-phase alternating current is rectified into direct current, a magnetic field is generated by a winding after electricity is obtained, an 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 is stopped.
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 electromagnetic brake is the brake which is most widely used in the wind power market, and firmly occupies 80% of the dominant position in the wind power market. However, the inventor of the present application found that the brakes on the existing wind power market are usually a series number of brakes corresponding to a base number of motor, resulting in poor versatility of the brakes; in addition, the overall appearance of the existing brake is large in structural size and heavy in 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 cannot adapt to the requirements of various types of motors through only one type, namely the brake can enhance the universality of one type of brake, simultaneously can effectively reduce the manufacturing cost, reduce the overall dimension and lighten the weight of products.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a highly versatile lightweight electromagnetic power-off brake, comprising: the novel structure 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 housing, a rotor assembly, a coil assembly, a handle screw and a hollow bolt;
the electromagnetic wire is wound on the coil fixture to be wound and formed, a coil framework is sleeved to form the coil assembly, the coil assembly is installed in the stator housing, meanwhile, the sealant is injected into the stator housing to realize encapsulation, and the framework oil seal is installed in the stator housing by adopting an oil seal fixture;
the release spring is arranged in a spring mounting hole of the stator shell, the armature is arranged 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 is plugged by sealant, the gasket is sleeved on the handle screw, the handle screw penetrates through the armature iron and penetrates through the stator shell to be in threaded connection with the handle fixing pin, and the armature iron can be manually controlled to be attracted and released by pulling the release handle assembly;
the rotor assembly is connected with the motor shaft through the spline housing, the inner friction material of the rotor assembly is in contact with the armature, the flange plate is attached to the outer friction material of the rotor assembly, and meanwhile the mounting bolt penetrates and penetrates through the stator housing through the armature and the hollow bolt and then penetrates out through the flange plate.
The handle spring is sleeved outside the handle screw of the release handle assembly.
Specifically, a dust cover is arranged on the outer side of the stator shell.
Further, the stator housing has a handle screw hole, an installation screw 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.
Further, the electromagnetic power-off brake is fixedly arranged on the rear end cover of the motor.
Preferably, the electromagnetic power-off brake is fixedly arranged in the fixing hole of the rear end cover through a fixing bolt.
Compared with the prior art, the lightweight electromagnetic power-off brake with strong universality has the following advantages:
according to the lightweight electromagnetic power-off brake with strong universality, under the condition that the requirement of the brake on the attraction and release is met, the coil, the electromagnetic wire diameter reduction and the coil size compression are continuously optimized through electromagnetic simulation, spring selection is conducted again, the size of the spring hole is redesigned according to the simulation result, the placement positions and the number of the springs are rearranged, the overall outer diameter and the overall inner diameter of the stator are reduced, and the overall weight of the stator is reduced; on the basis of optimizing and shrinking coil size, 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 applied to motors with 112 and 132 machine seat numbers is met, and the weight of the whole machine is reduced greatly.
Drawings
FIG. 1 is a schematic structural diagram of a lightweight electromagnetic power-off brake with strong versatility provided by an embodiment of the invention;
FIG. 2 is a schematic cross-sectional 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 the lightweight electromagnetic power-off brake with strong versatility according to the embodiment of the present invention;
fig. 4 is a schematic diagram of an assembly structure of a lightweight electromagnetic power-off brake and a 112 motor with strong versatility according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an assembly structure of a lightweight electromagnetic power-off brake and a 132 motor with strong versatility according to an embodiment of the present invention.
Reference numerals:
1-a release handle assembly; 2-a stator housing; 3-a handle fixing pin; 4-skeleton oil seal; 5-mounting bolts; 6-a handle spring; 7-a gasket; 8, sealing glue; 9-armature; 10-release spring; 11-a flange plate; 12-spline housing; 13-a rotor assembly; 14-coil assembly; 15-handle screw; 16-a dust cover; 17-hollow bolts; 18-handle screw holes; 19-mounting screw holes; 20-coil clamping grooves; 21-a release spring aperture; 22-lead wire outlet holes; 23-fixing bolts; a-electromagnetic power-off brake; and B-a rear end cover.
Detailed Description
In order to facilitate understanding, the lightweight electromagnetic power-off brake with strong universality provided by the embodiment of the invention is described in detail below with reference to the accompanying drawings.
The embodiment of the invention provides a lightweight electromagnetic power-off brake with strong universality, which is shown in fig. 1 and 2 and comprises the following components: the release handle assembly 1, the stator housing 2, the handle fixing pin 3, the framework oil seal 4, the mounting bolt 5, the gasket 7, the sealant 8, the armature 9, the release spring 10, the flange 11, the spline housing 12, the rotor assembly 13, the coil assembly 14, the handle screw 15 and the hollow bolt 17;
winding electromagnetic wires on a coil tool through a winding machine to form a winding, sleeving a coil framework to form a coil assembly 14, loading the coil assembly 14 into a stator housing 2, injecting sealant 8 into the stator housing 2 to realize encapsulation, and mounting a framework oil seal 4 into the stator housing 2 by adopting an oil seal tool;
the release spring 10 is placed in a spring mounting hole of the stator housing 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 housing 2;
the release handle assembly 1 is internally provided with a handle fixing pin 3 and is plugged by using a LETAI 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 penetrates through the stator shell to be in threaded connection with the handle fixing pin 3, and the actuation of the release handle assembly 1 can manually control the actuation and release of the armature 9;
the rotor assembly 13 is connected with a motor shaft through the spline housing 12, the inner friction material of the rotor assembly 13 is in contact with the armature 9, the flange 11 is attached to the outer friction material of the rotor assembly 13, and meanwhile the mounting bolts 5 penetrate through the stator housing 2, penetrate through the armature 9 and the hollow bolts 17, and then penetrate out through the flange 11.
Compared with the prior art, the lightweight electromagnetic power-off brake with strong universality has the following advantages:
according to the lightweight electromagnetic power-off brake with strong universality, under the condition that the requirement of the brake on the attraction and release is met, the coil, the electromagnetic wire diameter reduction and the coil size compression are continuously optimized through electromagnetic simulation, spring selection is conducted again, the size of the spring hole is redesigned according to the simulation result, meanwhile, the placement positions and the number of the springs are rearranged, the overall outer diameter and the overall inner diameter of the stator are reduced, and the overall weight of the stator is reduced; on the basis of optimizing and shrinking coil size, 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 applied to motors with 112 and 132 machine seat numbers is met, and the weight of the whole machine is reduced greatly.
As shown in fig. 2, the handle spring 6 is sleeved on the outer side of the handle screw 15 of the release handle assembly 1, so that the operation of pulling the release handle assembly 1 to manually control the actuation and release of the armature 9 is facilitated.
Specifically, as shown in fig. 2, a dust cover 16 may be provided on the outer side of the stator housing 2, so that dust can be effectively prevented by the dust cover 16, thereby improving the service life of the brake.
Further, as shown in fig. 3, the stator housing 2 has a handle screw hole 18, a mounting screw hole 19, a coil clamping groove 20, a release spring hole 21, and a lead wire outlet hole 22;
the handle screw hole 18 mates with the handle screw 15, the mounting screw hole 19 mates with the mounting screw 5, the coil clamping slot 20 mates with the coil assembly 14, and the release spring hole 21 mates with the release spring 10;
the handle screw holes 18 include two outer rings circumferentially equally spaced from the stator housing 2 and located in the coil clamping grooves 20, the mounting screw holes 19 include three outer rings circumferentially equally spaced from the stator housing 2 and located in the coil clamping grooves 20, and the release spring holes 21 include six inner rings circumferentially equally spaced from the stator housing 2 and located in the coil clamping grooves 20.
Further, as shown in fig. 4 and 5, the electromagnetic power-off brake a provided in the embodiment of the invention can be fixedly installed 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 in the embodiment of the present invention may be fixedly installed to the fixing hole of the rear cover B by the fixing bolt 23.
Alternatively, as shown in fig. 4, the electromagnetic power-off brake a provided in the embodiment of the present invention may be fixedly installed in the fixing hole of the rear end cover B of the 112 motor by the fixing bolt 23.
Alternatively, as shown in fig. 5, the electromagnetic power-off brake a provided in the embodiment of the present invention may be fixedly installed to the fixing hole of the rear end cover B of the 132 motor through 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:
1. under the condition that the requirement of the brake on the attraction and release is met, the coil is continuously optimized through electromagnetic simulation, the wire diameter of the electromagnetic wire is reduced, the coil size is compressed, the spring is selected again, the size of the spring hole is redesigned according to the simulation result, the placement positions and the number of the springs are rearranged, the overall outer diameter and the overall inner diameter of the stator are reduced, and the overall weight of the stator is reduced;
2. on the basis of optimizing and shrinking coil size, 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 applied to motors with 112 and 132 machine seat numbers is met, and meanwhile the weight of the whole machine is reduced greatly.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A lightweight electromagnetic power-off brake with strong versatility, comprising: the novel structure 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 housing, a rotor assembly, a coil assembly, a handle screw and a hollow bolt;
the electromagnetic wire is wound on the coil fixture to be wound and formed, a coil framework is sleeved to form the coil assembly, the coil assembly is installed in the stator housing, meanwhile, the sealant is injected into the stator housing to realize encapsulation, and the framework oil seal is installed in the stator housing by adopting an oil seal fixture;
the release spring is arranged in a spring mounting hole of the stator shell, the armature is arranged 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 is plugged by sealant, the gasket is sleeved on the handle screw, the handle screw penetrates through the armature iron and penetrates through the stator shell to be in threaded connection with the handle fixing pin, and the armature iron can be manually controlled to be attracted and released by pulling the release handle assembly;
the rotor assembly is connected with the motor shaft through the spline housing, the inner friction material of the rotor assembly is in contact with the armature, the flange plate is attached to the outer friction material of the rotor assembly, and meanwhile the mounting bolt penetrates and penetrates through the stator housing through the armature and the hollow bolt and then penetrates out through the flange plate.
2. The high versatility, lightweight electromagnetic power loss brake of claim 1, wherein said handle screw of said release handle assembly is externally sleeved with a handle spring.
3. The high versatility lightweight electromagnetic power loss brake of claim 1, wherein a dust cover is provided on an outside of the stator housing.
4. The high versatility lightweight electromagnetic power loss brake according to any one of claims 1-3, wherein said stator housing has handle screw holes, mounting screw holes, coil clamping 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 high versatility lightweight electromagnetic power loss brake of claim 4, wherein said electromagnetic power loss brake is fixedly mounted to a rear end cap of the motor.
6. The high versatility lightweight electromagnetic power loss brake according to claim 5, wherein said electromagnetic power loss brake is fixedly mounted to said rear end cap mounting hole by a mounting 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 CN114688190A (en) | 2022-07-01 |
| CN114688190B true CN114688190B (en) | 2023-08-08 |
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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 (12)
| 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 |
| 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 | Disc double multi-level 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2832523C2 (en) * | 1978-07-25 | 1983-12-29 | Binder Magnete GmbH, 7730 Villingen-Schwenningen | Electromagnetically released spring pressure brake |
-
2022
- 2022-04-20 CN CN202210418934.1A patent/CN114688190B/en active Active
Patent 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 |
| 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 | Disc double multi-level 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 |
|---|---|
| CN114688190A (en) | 2022-07-01 |
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