CN201373049Y - Manual releasing device of electromagnetic safe brake - Google Patents
Manual releasing device of electromagnetic safe brake Download PDFInfo
- Publication number
- CN201373049Y CN201373049Y CN200820186628U CN200820186628U CN201373049Y CN 201373049 Y CN201373049 Y CN 201373049Y CN 200820186628 U CN200820186628 U CN 200820186628U CN 200820186628 U CN200820186628 U CN 200820186628U CN 201373049 Y CN201373049 Y CN 201373049Y
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- Prior art keywords
- release
- releasing
- armature
- board
- screw
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Abstract
The utility model discloses a manual releasing device of an electromagnetic safe brake, which comprises a motor end cover, a friction plate, a keeper, a braking spring, an electromagnet, a releasing bolt and a releasing board. A releasing groove the section of which is V shape is arranged between the keeper and the releasing board. The releasing bolt is inserted into the releasing groove via the releasing board. A motion component is arranged in the releasing groove. The motion component respectively contacts the keeper, the releasing board and a releasing bolt wire. The technical proposal of the utility model can solve the technical problems that the head ball-shaped sliding bodies of a steel ball in the prior art can not always be released completely; pitting appears easily; and the steel balls can not be reset. At the same time, the utility model has the advantages of large stressed area, stable slide and running, credible release and long service life.
Description
Technical field
The utility model relates to a kind of electromagnetism power-off brake hand release.
Background technique
At present, the electromagnetism power-off brake generally is in two kinds of working staties, and a kind of is break when energising, and armature is subjected to the effect of electromagnetic force by adhesive, and friction disk is in relative free state, i.e. releasing state; When another kind was the break outage, electromagnetic force disappeared, and armature is open under the effect of spring force, and friction disk is pushed down, and friction disk and other load was remained static, i.e. braking state.Break is transformed into releasing state by braking state, and its releasing pattern has electromagnetism to discharge two kinds of (by magnetic force) and manual release (leaning on the mechanical type releasing device).There is following shortcoming in heading type hand release of the prior art:
1. the slide mass of heading type is a steel ball, and when carrying out manual release, release screw contacts with steel ball and belongs to a contact, requires the release screw axis and the steel ball centre of sphere to try one's best on same straight line, if accuracy of manufacturing is not high, can occur discharging not exclusively, even discharges.
2. because steel ball contacts with slideway and belongs to a contact, be easy to generate tired spot corrosion.
3. circling round after discharging excessively easily appears in spot corrosion, steel ball can't reset behind the screw.
The model utility content:
Technical problem to be solved in the utility model is, because the slide mass of heading type is a steel ball in the prior art, steel ball often occurs and discharges not exclusively, is easy to generate tired spot corrosion, and steel ball can't reset.
Technological scheme provided by the utility model is, a kind of electromagnetism power-off brake hand release, comprise electric motor end cap, friction disk, armature, braking spring, electromagnet, release screw and release board, be provided with the cross section between described armature and the release board and be " V " font release groove, described release screw is in release board inserts release groove, be provided with the motion assembly in the described release groove, described motion assembly contacts with described armature, release board, release screw line respectively.
Described motion assembly is a column structure; Preferably, described motion assembly is that cross section is round cylindrical body steel column.
Described release board is connected as a single entity by bolt and armature.
When described release screw did not screw in, there were an initial air gap delta of installing in armature and electromagnet, armature under the effect of spring with the friction disk compacting.
Described screw-in release screw compressing steel column makes steel column do along the release groove inclined-plane to promote release board and to rotate to lower slider, and armature moves axially the end face that relies on electromagnet, and air gap value between the two becomes 0 by δ.
Air gap between described armature and the electromagnet becomes 0, forms a gap width δ between armature and the friction disk.
Adopt technological scheme provided by the utility model, the slide mass that can effectively solve heading type in the prior art is a steel ball, steel ball often occurring discharges not exclusively, be easy to generate tired spot corrosion, steel ball technical problem such as can't reset, simultaneously, technological scheme that the utility model provides also has: lifting surface area is big, sliding and running is steady, discharges reliably the characteristics of long service life.
Description of drawings
Fig. 1 is the prior art structural representation;
Fig. 2 is that prior art heading type manual release steel ball is at the release groove schematic representation;
Fig. 3 for the A of Fig. 2 to attempting;
Fig. 4 is the utility model structural representation;
Fig. 5 is the utility model manual release working principle schematic representation;
Fig. 6 is the working procedure schematic representation of Fig. 5;
Fig. 7 is that the utility model is at the release groove schematic representation;
Fig. 8 is that the A of Fig. 7 is to view;
Wherein, 1, electric motor end cap; 2, friction disk; 3, armature; 4, braking spring; 5, electromagnet; 6, release screw; 7, steel ball; 8, release board; 9, steel column.
Embodiment
Shown in Fig. 1-2, for prior art structural representation and prior art heading type manual release steel ball 7 at the release groove schematic representation.
Shown in Fig. 3-5, be technological scheme provided by the utility model, a kind of electromagnetism power-off brake hand release, comprise electric motor end cap 1, friction disk 2, armature 3, braking spring 4, electromagnet 5, release screw 6 and release board 8, be provided with the cross section between described armature 3 and the release board 8 and be " V " font release groove, described release screw 6 is inserted in the release groove through release board 8, be provided with the motion assembly in the described release groove, described motion assembly contacts with described armature 3, release board 8, release screw 6 lines respectively; Described motion assembly is a column structure; Preferably, described motion assembly is that cross section is round cylindrical body steel column 9; Described release board 8 is connected as a single entity by bolt and armature 3; When described release screw 6 did not screw in, there was an initial air gap delta of installing in armature 3 with electromagnet 5, armature 3 under the effect of spring with friction disk 2 compactings; Described screw-in release screw 6 compressing steel columns 9 make steel column 9 do along the release groove inclined-plane to promote release board 8 and to rotate to lower slider, and armature 3 moves axially the end face that relies on electromagnet 5, and air gap value between the two becomes 0 by δ; Air gap between described armature 3 and the electromagnet 5 becomes 0, forms a gap width δ between armature 3 and the friction disk 2.
The technical scheme in the invention for solving the technical problem is (seeing manual release process accompanying drawing three for details): put into a cylindrical body steel column 9 in release groove, these steel column 9 body side surfaces contact with release screw 6, when release screw 6 screws in, compressing steel column 9 also makes steel column 9 slide along discharging the cell wall inclined-plane, steel column 9 will promote release board 8 this moment, making release board 8 and electromagnet 5 is fulcrum with the strong point, allow release board 8 opened with certain angle (electromagnet 5 is fixed bodies), and release board 8 is to pass through bolted on connection with armature 3, during release board 8 opening angles, certainly will spur armature 3 by bolt, make armature 3 move axially, close up to electromagnet 5, spring on the electromagnet 5 will be compressed at this moment, original initial installation air gap value between armature 3 and the electromagnet 5 becomes 0 by δ, and the gap between armature 3 and the friction disk 2 becomes δ by 0, the side pressure that acts on the friction disk 2 disappears, friction disk 2 returns to relative free state, and the braking force that break acts in the control system is eliminated the purpose that reaches manual release; When release screw 6 screws out, armature 3 is open under the effect of spring force, release board 8 is drawn close to electromagnet 5 end faces by coupling bolt, drive steel column 9 motions, steel column 9 returns to the original state before discharging along the release groove inclined-plane, the friction disk 2 of this moment is subjected to the side pressure of spring, remains static, and break plays braking action (brake) in control system this moment.
The effect that the utility model brings simultaneously also has, and the slide mass of this hand release structure is a steel column 9, and steel column 9 is big with the chute area of contact, belongs to the line contact, has release performance reliable, the advantage of long service life.
In accompanying drawing 3-5, in release groove, put into a steel column 9, make side and the release screw 6 and the release groove inclined-plane of steel column 9,8 contacts of release board, release board 8 is connected as a single entity by bolt and armature 3, when release screw 6 does not screw in, there is an initial air gap delta of installing in armature 3 with electromagnet 5, armature 3 under the effect of spring with friction disk 2 compactings, the break of this moment is in braking state in the control system of equipment, in some power failures and maintenance occasion, we need break to be in disengagement (release) state in apparatus control system, and this just need realize this purpose with hand release.Concrete steps:
1) screws in release screw 6 compressing steel columns 9, make steel column 9 do along the release groove inclined-plane in the time of lower slider, promote release board 8 and rotate.
2) because release board 8 and armature 3 connect as one by bolt, and when release board 8 rotated and opens a certain angle with the surface of contact of electromagnet 5, armature 3 moved axially the end face that relies on electromagnet 5, air gap value between the two becomes 0 by δ.
3), form a gap width δ between armature 3 and the friction disk 2 because the air gap between armature 3 and the electromagnet 5 becomes 0; This moment, spring was compressed by armature 3, and the braking force that acts on the friction disk 2 is eliminated.
4) because the braking force on the friction disk 2 is eliminated, and friction disk 2 is in relaxed state or free operating condition, promptly break is in releasing state in the control system of equipment.
The utility model provides a kind of hand release of break, can be used for having a power failure and keeping in repair the place that needs brake off, its slide mass is a roller, and it belongs to the line contact in release groove, lifting surface area is bigger during slip, when release screw 6 screwed in, the surface is contact and difficult tired spot corrosion, the long service life of producing easily, discharge reliable advantage, remove when discharging, screw out release screw 6, roller can return to initial installment state better.
Claims (5)
1, a kind of electromagnetism power-off brake hand release, comprise electric motor end cap (1), friction disk (2), armature (3), braking spring (4), electromagnet (5), release screw (6) and release board (8), it is characterized in that, be provided with the cross section between described armature (3) and the release board (8) and be " V " font release groove, described release screw (6) is in release board (8) inserts release groove, be provided with the motion assembly in the described release groove, described motion assembly contacts with described armature (3), release board (8), release screw (6) line respectively.
2, a kind of electromagnetism power-off brake hand release according to claim 1 is characterized in that described motion assembly is a column structure.
3, a kind of electromagnetism power-off brake hand release according to claim 1 and 2 is characterized in that, described motion assembly is that cross section is round cylindrical body steel column (9).
4, a kind of electromagnetism power-off brake hand release according to claim 3 is characterized in that, described release board (8) is connected as a single entity by bolt and armature (3).
5, a kind of electromagnetism power-off brake hand release according to claim 4, it is characterized in that, described release screw (6) is not when screwing in, and there is an initial air gap delta of installing in armature (3) with electromagnet (5), armature (3) under the effect of spring with friction disk (2) compacting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820186628U CN201373049Y (en) | 2008-10-30 | 2008-10-30 | Manual releasing device of electromagnetic safe brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820186628U CN201373049Y (en) | 2008-10-30 | 2008-10-30 | Manual releasing device of electromagnetic safe brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201373049Y true CN201373049Y (en) | 2009-12-30 |
Family
ID=41499134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200820186628U Expired - Fee Related CN201373049Y (en) | 2008-10-30 | 2008-10-30 | Manual releasing device of electromagnetic safe brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201373049Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994770A (en) * | 2010-11-03 | 2011-03-30 | 江西华伍制动器股份有限公司 | Manual-release electromagnetic brake of cam crankshaft |
| CN103580373A (en) * | 2013-11-08 | 2014-02-12 | 桂林机床电器有限公司 | Additional direct current electromagnet brake electromotor |
| CN104912971A (en) * | 2015-05-25 | 2015-09-16 | 安徽立信电磁离合器有限公司 | Power-off electromagnetic brake capable of achieving electric brake release and electric brake recovery |
| CN104912972A (en) * | 2015-05-25 | 2015-09-16 | 安徽立信电磁离合器有限公司 | Installation method for electromagnetic power-off brake adopting double thread guide post and installation lugs |
| CN104912973A (en) * | 2015-05-25 | 2015-09-16 | 安徽立信电磁离合器有限公司 | Electromagnetic power-off brake installed through double thread screw guide post and installation lugs |
| CN114562523A (en) * | 2020-11-27 | 2022-05-31 | 贵州振华群英电器有限公司（国营第八九一厂） | Self-feedback multifunctional brake, cam mechanism and cam link mechanism |
-
2008
- 2008-10-30 CN CN200820186628U patent/CN201373049Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994770A (en) * | 2010-11-03 | 2011-03-30 | 江西华伍制动器股份有限公司 | Manual-release electromagnetic brake of cam crankshaft |
| CN101994770B (en) * | 2010-11-03 | 2012-10-10 | 江西华伍制动器股份有限公司 | Manual-release electromagnetic brake of cam crankshaft |
| CN103580373A (en) * | 2013-11-08 | 2014-02-12 | 桂林机床电器有限公司 | Additional direct current electromagnet brake electromotor |
| CN104912971A (en) * | 2015-05-25 | 2015-09-16 | 安徽立信电磁离合器有限公司 | Power-off electromagnetic brake capable of achieving electric brake release and electric brake recovery |
| CN104912972A (en) * | 2015-05-25 | 2015-09-16 | 安徽立信电磁离合器有限公司 | Installation method for electromagnetic power-off brake adopting double thread guide post and installation lugs |
| CN104912973A (en) * | 2015-05-25 | 2015-09-16 | 安徽立信电磁离合器有限公司 | Electromagnetic power-off brake installed through double thread screw guide post and installation lugs |
| CN104912971B (en) * | 2015-05-25 | 2017-04-12 | 安徽立信电磁离合器有限公司 | Power-off electromagnetic brake capable of achieving electric brake release and electric brake recovery |
| CN114562523A (en) * | 2020-11-27 | 2022-05-31 | 贵州振华群英电器有限公司（国营第八九一厂） | Self-feedback multifunctional brake, cam mechanism and cam link mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091230 Termination date: 20121030 |