CN105587809A - Electromagnetic braking device for power shaft - Google Patents
Electromagnetic braking device for power shaft Download PDFInfo
- Publication number
- CN105587809A CN105587809A CN201510779231.1A CN201510779231A CN105587809A CN 105587809 A CN105587809 A CN 105587809A CN 201510779231 A CN201510779231 A CN 201510779231A CN 105587809 A CN105587809 A CN 105587809A
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- CN
- China
- Prior art keywords
- line shaft
- ferromagnetism
- fixed
- braking device
- electromagnet
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- 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.)
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention discloses an electromagnetic braking device for a power shaft. The electromagnetic braking device comprises a machine body, wherein the power shaft is arranged in the machine body; an electromagnet is fixed to the machine body; a ferromagnetic braking part is arranged on the power shaft and is composed of a ferromagnetic block and a fixing block; the fixing block is arranged on the power shaft in a sliding manner; the ferromagnetic block is connected to the fixing block through an elastic structure; when the electromagnet is electrified, the ferromagnetic block is adsorbed on the surface of the electromagnet and makes the elastic structure to deform elastically; when the electromagnet is deenergized, the elastic structure restores and enables the ferromagnetic block and the electromagnet to be separated from each other; a spring is arranged on the power shaft; one end of the spring presses against the power shaft; the other end of the spring presses against one surface of the fixing block; and the fixing block is limited to the power shaft through a regulation screw rod. The electromagnetic braking device has the advantages that the running accuracy of the power shaft can be improved without improving the manufacturing accuracy of a product, and regulation and restoration after abrasion are convenient.
Description
Technical field
The present invention relates to brake structure, especially relate to a kind of running precision that can improve line shaft, do not needThe electro-magnetic braking device of the line shaft that the adjustment after the accuracy of manufacture, the convenient wearing and tearing of increase product is repaired.
Background technology
Electromagnetic brake much for the equipment of quiet environment as the equipment of controlling walkway as pendulum lockDeng, conventionally require the noise that operating current is little, adhesive collision produces low, key technology is electromagnetCan control to minimum with the gap of brake block. But because of the accuracy of manufacture and the long-time factor shadow that uses wearing and tearingRing, so be difficult to control and repair.
Summary of the invention
For addressing the above problem, the object of the present invention is to provide a kind of operation essence that can improve line shaftThe electromagnetic braking of the line shaft that the adjustment after degree, the accuracy of manufacture that does not need to increase product, convenience wearing and tearing is repairedDevice.
The present invention realizes by following technical measures, and a kind of electro-magnetic braking device of line shaft, comprises machineBody, is provided with line shaft in described body, fixes an electromagnet on described body, on described line shaft, establishesBe equipped with a ferromagnetism brake component; Described ferromagnetism brake component comprises ferromagnetism piece and a fixed block, instituteState fixed block and be slidably arranged on line shaft, described ferromagnetism piece is connected to fixed block by an elastic constructionOn; When described electromagnet powers on, described ferromagnetism piece is inhaled and is attached to electromagnet surface and makes elastic construction elasticityDistortion, when described electromagnet power-off, described elastic construction recovers and ferromagnetism piece is separated with electromagnet;Described line shaft is provided with a spring, and described spring one end is pressed on line shaft, and the described spring other end supportsBe pressed in the one side of fixed block, described fixed block is limited on line shaft by an adjusting screw(rod).
As a kind of optimal way, the middle part of described line shaft head end is axially provided with a bar shaped groove, instituteState on bar shaped groove and radially slide and be provided with an adjusting key, described adjusting key length is longer than bar shaped grooveWidth, described adjusting key end from bar shaped groove expose and the corresponding draw-in groove that snaps in fixed block in, described movingMechanical axis head end central shaft is to the screwed hole that is provided with a connection bar shaped groove, described adjusting screw(rod) threaded engagementIn screwed hole and be pressed on adjusting key.
As a kind of optimal way, the middle part of described line shaft head end is axially provided with a bar shaped groove, instituteState and on fixed block, be fixed with a slip card article on bar shaped groove is set, described line shaft be also provided with one withThe blind hole that bar shaped groove is communicated with, described blind hole is provided with a Compress Spring being pressed on card article, described movingMechanical axis head end central shaft is to the screwed hole that is provided with a connection bar shaped groove, described adjusting screw(rod) threaded engagementIn screwed hole and be pressed on card article.
As a kind of optimal way, described card article is divided into and is pressed between fixed block inner surface and Compress SpringInterior card article and be pressed on the outer card article between fixed block outer surface and adjusting screw(rod).
As a kind of optimal way, the adhesive face of described ferromagnetism piece and electromagnet is at least provided with one and fixesOn ferromagnetism piece surface or the ironing surface friction plate of electromagnetism.
As a kind of optimal way, described electromagnet is fixedly installed a friction towards the one side of ferromagnetism pieceSheet.
As a kind of optimal way, described elastic construction is a shell fragment, and a described shell fragment part is fixed on ironOn magnetic block, described fixed block is an adpting flange, and described adpting flange is slidably arranged on line shaft,Described shell fragment and ferromagnetism piece are movably set in line shaft periphery.
As a kind of optimal way, on described adpting flange, be provided with at least one ferromagnetism piece fixing logicalHole, is provided with at least one adpting flange fixed via on described ferromagnetism piece, corresponding iron on described shell fragmentMagnetic block fixed via and adpting flange fixed via are provided with fixing hole, solid through adpting flange by screwDetermine through hole and by fixing hole, shell fragment is fixed on adpting flange, pass ferromagnetism piece fixed via by screwBy fixing hole, shell fragment is fixed on ferromagnetism piece.
As a kind of optimal way, described line shaft is fixed on body by bearing, and described spring is sheathedOutside line shaft and be pressed between bearing inner race and fixed block.
As a kind of optimal way, described line shaft is machine shaft, reduction gearbox output shaft or power transmission shaft.
The present invention is arranged on one end of line shaft, in the time that line shaft need are out of service, and now electromagnet energising,Thereby ferromagnetism piece magnetic attracting makes line shaft braking on electromagnet surface; In the time that line shaft normally moves,Electromagnet power-off, the elastic construction being connected on ferromagnetism piece recovers and ferromagnetism piece and electromagnet is dividedFrom, thereby line shaft can freely be rotated; In the time starting install or run to certain hour, head of the present inventionFirst utilize adjusting screw(rod) to make ferromagnetism piece be fitted in electromagnet surface, then adjusting screw(rod) is oppositely turned with instrumentCertain angle, under the effect of spring, ferromagnetism piece leaves electromagnet surface, this regulative mode, energyVery accurately regulate the very little gap in ferromagnetism piece surface and electromagnet surface, thus do not affect movingIn the situation of mechanical axis normal rotation, can make electromagnetic actuation electric current do very littlely, adhesive collision is producedNoise is very low, and this structure does not need to increase the accuracy of manufacture of product yet, and this structure also facilitates after wearing and tearingAdjustment reparation.
Brief description of the drawings
Fig. 1 is the decomposition texture schematic diagram of one embodiment of the invention;
Cutaway view when Fig. 2 is the work of one embodiment of the invention line shaft;
Cutaway view when Fig. 3 is the braking of one embodiment of the invention line shaft;
Cutaway view when Fig. 4 is the braking of another embodiment of the present invention line shaft.
Detailed description of the invention
Below in conjunction with embodiment and contrast accompanying drawing the present invention is described in further detail.
An electro-magnetic braking device for line shaft, please refer to Fig. 1 to Fig. 4, comprises body 1, described machineIn body 1, be provided with line shaft 12, on described body 1, be fixed with an electromagnet 4, on described line shaft 12Be provided with a ferromagnetism brake component; Described ferromagnetism brake component comprises ferromagnetism piece 6 and a connection methodOrchid 8, described adpting flange 8 is slidably arranged on line shaft 12, and described ferromagnetism piece 6 is by an elasticityStructure is connected on adpting flange 8; With reference to figure 2, when described electromagnet 4 powers on, ferromagnetism piece 6 magneticProperty is inhaled and is attached to electromagnet 4 surface and makes elastic construction strain, makes ferromagnetism piece 6 and electromagnet 4 twoBetween person, produce frictional force, thereby line shaft 12 is stopped operating fast; With reference to figure 3, described electromagnetWhen 4 power-off, described elastic construction recovers and ferromagnetism piece 6 is separated with electromagnet 4, thereby can shadowThe normal operation of sound of movement mechanical axis 12; Line shaft 12 is provided with a spring 2, and described spring 2 one end compressAt line shaft 12, described spring 2 other ends are pressed on the inner surface of adpting flange 8, described adpting flange8 are limited on line shaft 12 by an adjusting screw(rod) 10.
This brake apparatus is arranged on one end of line shaft 12, when line shaft 12 needs time out of service, nowElectromagnet 4 is switched on, thereby ferromagnetism piece 6 magnetic attracting brake line shaft 12 on electromagnet 4 surfaces;In the time of line shaft 12 normal operation, electromagnet 4 power-off, are connected to the elastic construction on ferromagnetism piece 6Recover and ferromagnetism piece 6 is separated with electromagnet 4, thereby line shaft 12 can freely be rotated; When openingWhile beginning install or run to certain hour, this brake apparatus first utilizes adjusting screw(rod) 10 to make ferromagnetism piece 6Be fitted in electromagnet 4 surfaces, then adjusting screw(rod) 10 oppositely turned to certain angle with instrument, at spring 2Effect under ferromagnetism piece 6 leave electromagnet 4 surfaces, this regulative mode, can very accurately regulate ironThe very little gap in magnetic block 6 surfaces and electromagnet 4 surface, thus just do not affecting line shaft 12In normal situation of rotating, can make the operating current of electromagnet 4 do very littlely, make making an uproar of adhesive collision generationSound is very low, and this structure does not need to increase the accuracy of manufacture of product yet, and this structure also facilitates after wearing and tearingAdjust and repair.
At the electro-magnetic braking device of the line shaft of an embodiment, please refer to Fig. 1 to Fig. 3, in order to increase systemMoving effect, on the basis of previous technique scheme, can also be specifically, spring 2 is enclosed within on line shaft 12,The middle part of line shaft 12 head ends is axially provided with a bar shaped groove, on described bar shaped groove, radially slides and establishesBe equipped with an adjusting key 3, the length of described adjusting key 3 is longer than the width of bar shaped groove, described adjusting key 3End from bar shaped groove expose and the draw-in groove of corresponding Snap joint flange 8 in, described line shaft 12 head endsCentral shaft is to the screwed hole that is provided with a connection bar shaped groove, and described adjusting screw(rod) 10 threaded engagement are at spiral shellIn pit and be pressed on adjusting key 3. Adjusting screw(rod) 10 makes adjusting key 3 drive adpting flange 8 at barBefore and after in shape groove, slide, thereby utilize adjusting key 3 and adjusting screw(rod) 10 to regulate ferromagnetism piece 102The interval on surface and electromagnet 101 surfaces.
At the electro-magnetic braking device of the line shaft of an embodiment, please refer to Fig. 1 to Fig. 3, in order to increase systemMoving effect, on the basis of previous technique scheme, can also be specifically, ferromagnetism piece 6 and electromagnet 4Adhesive face is at least provided with a friction plate that is fixed on ferromagnetism piece 6 surfaces or electromagnet 4 surfaces, at thisIn embodiment, electromagnet 4 is fixedly installed a friction plate 5 towards the one side of ferromagnetism piece 6, at otherIn embodiment, friction plate also can be arranged on ferromagnetism piece surface, or on ferromagnetism piece and electromagnet surface allBe provided with friction plate.
At the electro-magnetic braking device of the line shaft of an embodiment, please refer to Fig. 1 to Fig. 3, in previous techniqueOn the basis of scheme, can also be specifically, elastic construction be a shell fragment 7, and described shell fragment 7 parts are fixingOn ferromagnetism piece 6, another part of described shell fragment 7 is fixed on an adpting flange 8, described connectionFlange 8 is slidably arranged on line shaft 12, and described shell fragment 7 and ferromagnetism piece 6 are movably set in powerAxle 12 peripheries, the stretching by shell fragment 7 or resilience help ferromagnetism piece 6 to reply in the time of power-off, certainly,In other embodiments, also can utilize the structures such as spring also can realize identical effect.
At the electro-magnetic braking device of the line shaft of an embodiment, please refer to Fig. 1 to Fig. 3, in previous techniqueOn the basis of scheme, can also be specifically, on adpting flange 8, be provided with three ferromagnetism piece fixed vias,On described ferromagnetism piece 6, be arranged at intervals with three adpting flange fixed vias, corresponding iron on described shell fragment 7Magnetic block fixed via and adpting flange fixed via are provided with six fixing holes, pass connection method by screwBlue fixed via is fixed on shell fragment on the screw hole 8 of adpting flange 8 by fixing hole, is passed by screwFerromagnetism piece fixed via is fixed on shell fragment 7 on the screw hole of ferromagnetism piece by fixing hole.
At the electro-magnetic braking device of the line shaft of an embodiment, please refer to Fig. 2 to Fig. 3, in previous techniqueOn the basis of scheme, can also be specifically, line shaft 12 be fixed on body 1 by bearing 13, described inSpring 2 is set in outside line shaft 12 and is pressed between bearing inner race and adpting flange 8.
At the electro-magnetic braking device of the line shaft of an embodiment, please refer to Fig. 1 to Fig. 3, in previous techniqueOn the basis of scheme, can also be specifically that line shaft 12 is machine shaft, also can in other embodimentsTo be reduction gearbox output shaft or power transmission shaft.
At the electro-magnetic braking device of the line shaft of an embodiment, please refer to Fig. 1 to Fig. 3, in previous techniqueOn the basis of scheme, can also be specifically, adjusting screw(rod) 10 be interior hexagonal grub screw, thereby makes to installAfter more attractive in appearance.
At the electro-magnetic braking device of the line shaft of another embodiment, please refer to Fig. 4, in previous technique schemeBasis on can also be specifically, spring 2 also can be arranged in line shaft 12, with a upper embodiment notExist together and be, in line shaft 12, be also provided with a blind hole being communicated with bar shaped groove, described blind hole settingHaving a spring 2 that is pressed on the inner surface of adpting flange 8, can be specifically to arrange one on adpting flange 8Can drive adpting flange 8 card article that slide in front and back in bar shaped groove, card article can be first logical through bar shapedGroove is fixed by screens or screw and adpting flange 8 again, gives one at the inner surface of card article by spring 2Individual outside power, and the outer surface of card article is compressed by adjusting screw(rod) 10, thus regulate adjusting screw(rod) 10 to makeCard article drives adpting flange 8 front and back in bar shaped groove to slide, thereby utilizes card article and adjusting screw(rod) 10Regulate the interval on ferromagnetism piece 102 surfaces and electromagnet 101 surfaces. In the present embodiment, please refer toFig. 4, in order to process with easy for installation, card article is set to be pressed on adpting flange 8 inner surfaces and springInterior card article 15 between 2 and be pressed on the outer card article between adpting flange 8 outer surfaces and adjusting screw(rod) 1014。
More than that the electro-magnetic braking device of line shaft of the present invention is set forth, for helping to understand thisBright, but embodiments of the present invention are not restricted to the described embodiments, any principle of the invention that do not deviate fromLower done change, modification, substitute, combination, simplify, all should be equivalent substitute mode, all compriseIn protection scope of the present invention.
Claims (10)
1. an electro-magnetic braking device for line shaft, is characterized in that: comprise body, in described bodyBe provided with line shaft, on described body, fix an electromagnet, on described line shaft, be provided with a ferromagnetism systemDynamic component; Described ferromagnetism brake component comprises ferromagnetism piece and a fixed block, and described fixed block slides and establishesPut on line shaft, described ferromagnetism piece is connected on fixed block by an elastic construction; Described electromagnetWhile powering on, described ferromagnetism piece is inhaled and is attached to electromagnet surface and makes elastic construction strain, described electromagnetismWhen iron power-off, described elastic construction recovers and ferromagnetism piece is separated with electromagnet; On described line shaft, establishHave a spring, described spring one end is pressed on line shaft, and the described spring other end is pressed on one of fixed blockFace, described fixed block is limited on line shaft by an adjusting screw(rod).
2. the electro-magnetic braking device of line shaft according to claim 1, is characterized in that: described inThe middle part of line shaft head end is axially provided with a bar shaped groove, on described bar shaped groove, radially slides and is provided withOne adjusting key, described adjusting key length is longer than the width of bar shaped groove, and described adjusting key end is from bar shapedGroove expose and the corresponding draw-in groove that snaps in fixed block in, described line shaft head end central shaft to be provided with one connectThe screwed hole of poker shape groove, described adjusting screw(rod) threaded engagement is in screwed hole and be pressed on adjusting keyOn.
3. the electro-magnetic braking device of line shaft according to claim 1, is characterized in that: described inThe middle part of line shaft head end is axially provided with a bar shaped groove, is fixed with a slip setting on described fixed blockCard article on bar shaped groove, described line shaft is also provided with a blind hole being communicated with bar shaped groove, described blindHole is provided with a Compress Spring being pressed on card article, and described line shaft head end central shaft connects to being provided with oneThe screwed hole of poker shape groove, described adjusting screw(rod) threaded engagement is in screwed hole and be pressed on card article.
4. the electro-magnetic braking device of line shaft according to claim 3, is characterized in that: described inCard article is divided into the interior card article being pressed between fixed block inner surface and Compress Spring and is pressed on outside fixed blockOuter card article between surface and adjusting screw(rod).
5. according to the electro-magnetic braking device of the arbitrary described line shaft of claim 1-4, it is characterized in that:The adhesive face of described ferromagnetism piece and electromagnet is at least provided with one and is fixed on ferromagnetism piece surface or electromagnetismIroning surface friction plate.
6. according to the electro-magnetic braking device of the arbitrary described line shaft of claim 1-4, it is characterized in that:Described electromagnet is fixedly installed a friction plate towards the one side of ferromagnetism piece.
7. according to the electro-magnetic braking device of the arbitrary described line shaft of claim 1-4, it is characterized in that:Described elastic construction is a shell fragment, and a described shell fragment part is fixed on ferromagnetism piece, and described fixed block isOne adpting flange, described adpting flange is slidably arranged on line shaft, described shell fragment and the activity of ferromagnetism pieceBe set in line shaft periphery.
8. the electro-magnetic braking device of line shaft according to claim 7, is characterized in that: described inOn adpting flange, be provided with at least one ferromagnetism piece fixed via, on described ferromagnetism piece, be provided with at leastAn adpting flange fixed via, on described shell fragment, corresponding ferromagnetism piece fixed via and adpting flange are fixedThrough hole is provided with fixing hole, by fixing hole, shell fragment is fixed on through adpting flange fixed via by screwOn adpting flange, by fixing hole, shell fragment is fixed on to ferromagnetism through ferromagnetism piece fixed via by screwOn piece.
9. the electro-magnetic braking device of line shaft according to claim 1 and 2, is characterized in that:Described line shaft is fixed on body by bearing, and described spring housing is located at outside line shaft and is pressed on bearingBetween inner ring and fixed block.
10. according to the electro-magnetic braking device of the arbitrary described line shaft of claim 1-4, it is characterized in that:Described line shaft is machine shaft, reduction gearbox output shaft or power transmission shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510779231.1A CN105587809B (en) | 2015-11-13 | 2015-11-13 | Electromagnetic braking device of power shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510779231.1A CN105587809B (en) | 2015-11-13 | 2015-11-13 | Electromagnetic braking device of power shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105587809A true CN105587809A (en) | 2016-05-18 |
| CN105587809B CN105587809B (en) | 2023-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510779231.1A Active CN105587809B (en) | 2015-11-13 | 2015-11-13 | Electromagnetic braking device of power shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105587809B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107981865A (en) * | 2017-12-18 | 2018-05-04 | 西安蒜泥电子科技有限责任公司 | A kind of scalable handrail applied to human body three-dimensional scanning device |
| WO2018107630A1 (en) * | 2016-12-13 | 2018-06-21 | 深圳市威捷机电股份公司 | Braking component in electromagnetic braking device |
| CN108279268A (en) * | 2018-04-12 | 2018-07-13 | 中国石油大学(北京) | Pipe detection device |
| CN110375020A (en) * | 2019-08-15 | 2019-10-25 | 安徽创新电磁离合器有限公司 | A kind of electromagnetic brake of twin coil double armature |
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| GB754805A (en) * | 1953-10-20 | 1956-08-15 | Gen Electric | Improvements in and relating to electromagnetic brakes |
| JP2002005206A (en) * | 2000-06-23 | 2002-01-09 | Shinko Electric Co Ltd | Non-excitation operation type electromagnetic brake |
| CN204357989U (en) * | 2014-12-10 | 2015-05-27 | 东莞市台机减速机有限公司 | A kind of electromagnetic brake |
| CN104832570A (en) * | 2014-02-12 | 2015-08-12 | 上海三嵩精密机电有限公司 | Electromagnetic brake device |
| CN205479035U (en) * | 2015-11-13 | 2016-08-17 | 深圳市威捷机电股份公司 | Electromagnetic braking device of power shaft |
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2015
- 2015-11-13 CN CN201510779231.1A patent/CN105587809B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB754805A (en) * | 1953-10-20 | 1956-08-15 | Gen Electric | Improvements in and relating to electromagnetic brakes |
| JP2002005206A (en) * | 2000-06-23 | 2002-01-09 | Shinko Electric Co Ltd | Non-excitation operation type electromagnetic brake |
| CN104832570A (en) * | 2014-02-12 | 2015-08-12 | 上海三嵩精密机电有限公司 | Electromagnetic brake device |
| CN204357989U (en) * | 2014-12-10 | 2015-05-27 | 东莞市台机减速机有限公司 | A kind of electromagnetic brake |
| CN205479035U (en) * | 2015-11-13 | 2016-08-17 | 深圳市威捷机电股份公司 | Electromagnetic braking device of power shaft |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018107630A1 (en) * | 2016-12-13 | 2018-06-21 | 深圳市威捷机电股份公司 | Braking component in electromagnetic braking device |
| CN107981865A (en) * | 2017-12-18 | 2018-05-04 | 西安蒜泥电子科技有限责任公司 | A kind of scalable handrail applied to human body three-dimensional scanning device |
| CN108279268A (en) * | 2018-04-12 | 2018-07-13 | 中国石油大学(北京) | Pipe detection device |
| CN110375020A (en) * | 2019-08-15 | 2019-10-25 | 安徽创新电磁离合器有限公司 | A kind of electromagnetic brake of twin coil double armature |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105587809B (en) | 2023-08-04 |
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