CN201409105Y - Non-excitation electromagnetic brake - Google Patents
Non-excitation electromagnetic brake Download PDFInfo
- Publication number
- CN201409105Y CN201409105Y CN2009201202700U CN200920120270U CN201409105Y CN 201409105 Y CN201409105 Y CN 201409105Y CN 2009201202700 U CN2009201202700 U CN 2009201202700U CN 200920120270 U CN200920120270 U CN 200920120270U CN 201409105 Y CN201409105 Y CN 201409105Y
- Authority
- CN
- China
- Prior art keywords
- stator
- armature
- brake
- excitation electromagnetic
- electromagnetic brake
- 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.)
- Expired - Fee Related
Links
- 230000005284 excitation Effects 0.000 claims abstract description 25
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Braking Arrangements (AREA)
Abstract
The utility model discloses a non-excitation electromagnetic brake, and belongs to the technical field of brakes. The non-excitation electromagnetic brake comprises a stator, a coil, an armature, a rotor, a brake plate, and a rotor wheel hub, which are connected with each other in a matching manner; the non-excitation electromagnetic brake is characterized in that a group of column sleeves are sleeved on the armature; two end faces of each column sleeve are propped against and matched with the stator and the brake plate respectively; the column sleeves are in sliding fit with the armature in the axial direction and in limited fit with the armature in the circumferential direction; a group of torque springs, of which the outer ends are propped against and matched with the armature, are evenly distributed in the circumferential direction of the stator; and the armature is in axial elastic clearance fit with the stator through the column sleeves and the torque springs. The armature of thenon-excitation electromagnetic brake achieves elastic clearance fit with the stator through a group of springs evenly distributed in the circumferential direction thereof, so that the armature cannotswing and works smoothly; the braking torque can be effectively increased, the brake plate can be designed according to the diameter of the stator, materials can be saved, and the manufacturing costcan be reduced; and furthermore, a user can chose the installation direction of the brake freely, thereby providing convenience for field installation.
Description
Technical field
The utility model belongs to the brake technical field, is specifically related to a kind of no excitation electromagnetic brake that is applicable to that the AC-DC motor that needs frequent rotating is used.
Background technology
The no excitation electromagnetic brake that AC-DC motor adopted of traditional frequent rotating of need, a spring that is provided with by the center between its armature and the stator realizes that elastic gap cooperates, armature can produce swing and influence braking effect at work, often adopt increasing brake flat board to realize for improving brake torque, the diameter of general brake flat board need be bigger than stator outer diameter, both increased material cost, limited the mounting means of brake again, can only be from brake flat sides folk prescription to fixing.In traditional in addition brake structural, the mode that adopts hexagonal to be connected between rotor and the rotor hub, the main drawback of this structure be under the situation of the long-time frequent rotating of rotor easily because of friction hexagonal is become round, thereby brake can not be worked.
The utility model content
The utility model aims to provide a kind of armature working stability, no excitation electromagnetic brake technical scheme that brake torque is big, to overcome problems of the prior art.
Described no excitation electromagnetic brake, comprise the stator, coil, armature, rotor, brake flat board, the rotor hub that are connected, it is characterized in that cross-under is provided with one group of both ends of the surface on the armature contacts the column sleeve that cooperates with stator, brake flat board respectively, column sleeve with the armature axial sliding fit, circumferencial direction is spacing cooperates, the stator circumference direction is uniform to be provided with one group of outer end and to contact the torque spring that cooperates with armature, constitutes the axial elasticity matched in clearance by column sleeve, torque spring between armature and the stator.
Described no excitation electromagnetic brake is characterized in that the connecting hole of rotor and rotor hub is a square structure, inlays on the rotor hub noise reduction spring is set, and the noise reduction spring adopts tin bronze to make moulding.
Described no excitation electromagnetic brake, it is characterized in that described torque spring by 3 or 6 in the uniform setting of stator circumference direction.
Described no excitation electromagnetic brake, it is fixing to it is characterized in that stator, brake flat board are connected in series by one group of screw, and column sleeve is passed at the screw middle part, and column sleeve cooperates with screw is movable.
Described no excitation electromagnetic brake is characterized in that the gap between armature and the stator is 0.1～0.2mm.
Described no excitation electromagnetic brake is characterized in that the dull and stereotyped external diameter of described brake is identical with stator.
Described no excitation electromagnetic brake is characterized in that the wire hole on the stator is equipped with protective ring.
Described no excitation electromagnetic brake, the screw that it is characterized in that being connected in series fixed stator, brake flat board be 3 by the uniform setting of circumferencial direction.
Above-mentioned no excitation electromagnetic brake is novel, rational in infrastructure, armature supports by one group of uniform spring of circumferencial direction and realizes that it cooperates with the elastic gap of stator, make armature can not produce swing, stable working, can guarantee that brake torque effectively improves, can realize that the brake flat board designs by stator diameter, both save material, reduced manufacturing cost, can allow the user freely select the installation direction of brake again, be convenient to on-the-spot the installation.
Description of drawings
Fig. 1 divides the attachment structure schematic diagram for the utility model;
Fig. 2 is the utility model cross section structure schematic diagram.
Among the figure: 1-stator, 2-torque spring, 3-protective ring, 4-coil, 5-column sleeve, 6-armature, 7-rotor, 8-brake flat board, 9-screw, 10-rotor hub, 11-screw, 12-noise reduction spring.
Embodiment
Now, describe embodiment of the present utility model in detail in conjunction with Figure of description:
As shown be no excitation electromagnetic brake, comprise the stator 1 that is connected, coil 4, armature 6, rotor 7, brake flat board 8, rotor hub 10, dull and stereotyped 8 external diameters of brake are identical with stator 1, coil 4 is embedded in stator 1, stator 1 front side arranged in co-axial alignment successively is provided with armature 6, rotor 7, brake flat board 8, rotor hub 10 is socketed in armature 6, rotor 7, in the brake flat board 8, rotor 7 by square connecting hole with can rotate synchronously after rotor hub 10 is connected, being equipped with screw 11 in the rotor hub 10 is used for being connected hexagonal holding screw in general the employing with outside motor rotary shaft.Cross-under is provided with one group of column sleeve 5 on the armature 6, column sleeve 5 both ends of the surface contact and cooperate with stator 1, brake flat board 8 respectively, column sleeve 5 with armature 6 axial sliding fits, circumferencial direction is spacing cooperates, the aspect ratio armature 6 of column sleeve 5 highly exceeds 0.1～0.2mm with rotor 7 stacks, makes the gap that constitutes 0.1～0.2mm between armature 6 and the stator 1.Stator 1 circumferencial direction is uniform to be provided with one group of torque spring 2, and torque spring 2 is general to adopt 3 or 6 s' mode to be provided with, and its outer end contacts with armature 6 and cooperates, and passes through column sleeve 5, torque spring 2 formation axial elasticity matched in clearance between armature 6 and the stator 1.3 screws 9 that pass through the uniform setting of circumferencial direction between armature 6, the brake flat board 8 are connected in series to be fixed, and the screw 9 general hexagon socket countersunk flat cap head screws that adopt pass column sleeve 5 and cooperate front portion and stator 1 threaded with column sleeve 5 activities in the middle part of it.The connecting hole that rotor 7 is used for being connected with rotor hub 10 is a square structure, and rotor 7 adopts four jiaos of syndetons can effectively improve the caused frictional dissipation of rotor 7 long-time rotatings with rotor hub 10, makes connection more firm, improves coefficient safe in utilization; Cooperate between rotor hub 10 and the rotor 7 and have certain clearance, inlay on the rotor hub 10 noise reduction spring 12 is set, rotor 7 avoids noise to produce the rocking of circumferencial direction in the time of can effectively preventing rotor hub 10 work; Noise reduction spring 12 adopts tin bronze to make moulding, make it in use can not produce the phenomenon of distortion, wearing and tearing because temperature raises, avoided that rubber material noise reduction spring is brought in the traditional structure be out of shape because of being heated, wearing and tearing causes losing the problem of silencing function.Wire hole on the stator 1 is equipped with protective ring 3 can prevent that lead-out wire is impaired with stator 1 friction in use, handling process, improves the security performance of brake.
Operation principle of the present utility model is roughly: the gap that is provided with 0.1～0.2mm between the armature 6 of brake and the stator 1, when not having energized, torque spring 2 withstands armature 6 according to the elasticity of self, armature 6 withstands rotor 7 can not rotate rotor 7, the rotor hub 10 that is connected with rotor 7 can not rotate, and rotor hub 10 just produces braking moment; When power connection produces magnetic force, make armature 6 and stator 1 adhesive, make rotor 7 produce the gap respectively and between the armature 6, brake flat board 8, rotor 7 just can rotate, and the rotor hub 10 that is connected with rotor 7 also can rotate thereupon; Rotor hub 10 is connected with the rotor of outside, just can make brake realize the operating characteristic of frequent rotating.
Claims (8)
1. there is not the excitation electromagnetic brake, comprise the stator (1) that is connected, coil (4), armature (6), rotor (7), brake flat board (8), rotor hub (10), it is characterized in that armature (6) go up cross-under be provided with one group of both ends of the surface respectively with stator (1), brake flat board (8) contacts the column sleeve (5) of cooperation, column sleeve (5) and armature (6) axial sliding fit, the spacing cooperation of circumferencial direction, stator (1) circumferencial direction is uniform to be provided with one group of outer end and to contact the torque spring (2) that cooperates with armature (6), between armature (6) and the stator (1) by column sleeve (5), torque spring (2) constitutes the axial elasticity matched in clearance.
2. no excitation electromagnetic brake as claimed in claim 1 is characterized in that the rotor (7) and the connecting hole of rotor hub (10) are square structure, inlays on the rotor hub (10) noise reduction spring (12) is set, and noise reduction spring (12) adopts tin bronze to make moulding.
3. no excitation electromagnetic brake as claimed in claim 1, it is characterized in that described torque spring (2) by 3 or 6 in the uniform setting of stator (1) circumferencial direction.
4. no excitation electromagnetic brake as claimed in claim 1, it is fixing to it is characterized in that stator (1), brake flat board (8) are connected in series by one group of screw (9), and column sleeve (5) is passed at screw (9) middle part, and column sleeve (5) cooperates with screw (9) is movable.
5. no excitation electromagnetic brake as claimed in claim 1 is characterized in that the gap between armature (6) and the stator (1) is 0.1～0.2mm.
6. no excitation electromagnetic brake as claimed in claim 1 is characterized in that described brake flat board (8) external diameter is identical with stator (1).
7. no excitation electromagnetic brake as claimed in claim 1 is characterized in that the wire hole on the stator (1) is equipped with protective ring (3).
8. no excitation electromagnetic brake as claimed in claim 4, the screw (9) that it is characterized in that being connected in series fixed stator (1), brake flat board (8) be 3 by the uniform setting of circumferencial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201202700U CN201409105Y (en) | 2009-05-21 | 2009-05-21 | Non-excitation electromagnetic brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201202700U CN201409105Y (en) | 2009-05-21 | 2009-05-21 | Non-excitation electromagnetic brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201409105Y true CN201409105Y (en) | 2010-02-17 |
Family
ID=41680051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201202700U Expired - Fee Related CN201409105Y (en) | 2009-05-21 | 2009-05-21 | Non-excitation electromagnetic brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201409105Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922519A (en) * | 2011-08-08 | 2013-02-13 | 株式会社安川电机 | Robot |
| CN111750010A (en) * | 2019-03-26 | 2020-10-09 | 应拓柯两合公司 | Electromagnetically releasable spring brake and method for producing the same |
-
2009
- 2009-05-21 CN CN2009201202700U patent/CN201409105Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922519A (en) * | 2011-08-08 | 2013-02-13 | 株式会社安川电机 | Robot |
| CN111750010A (en) * | 2019-03-26 | 2020-10-09 | 应拓柯两合公司 | Electromagnetically releasable spring brake and method for producing the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: NingBo Leader Transmission Equipment Co., Ltd. Assignor: Cen Guojian Contract record no.: 2010330000738 Denomination of utility model: Non-excitation electromagnetic brake Granted publication date: 20100217 License type: Exclusive License Record date: 20100507 |
|
| ASS | Succession or assignment of patent right |
Owner name: NINGBO ZHONGDA LEADER TRANSMISSION EQUIPMENT CO., Free format text: FORMER OWNER: CEN GUOJIAN Effective date: 20120621 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120621 Address after: 315333 Zhejiang province Cixi Kuangyan Town Industrial Development Zone Patentee after: NingBo Leader Transmission Equipment Co., Ltd. Address before: 315333 Zhejiang province Cixi Kuangyan Town Industrial Development Zone vigorously de transmission equipment Co. Ltd. Patentee before: Cen Guojian |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20150521 |
|
| EXPY | Termination of patent right or utility model |