CN102774771A - Electromagnetic control traction sheave brake - Google Patents
Electromagnetic control traction sheave brake Download PDFInfo
- Publication number
- CN102774771A CN102774771A CN2012102765884A CN201210276588A CN102774771A CN 102774771 A CN102774771 A CN 102774771A CN 2012102765884 A CN2012102765884 A CN 2012102765884A CN 201210276588 A CN201210276588 A CN 201210276588A CN 102774771 A CN102774771 A CN 102774771A
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- CN
- China
- Prior art keywords
- hollow sleeve
- brake rod
- traction sheave
- brake
- electromagnetic control
- 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.)
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- Braking Arrangements (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention relates to an electromagnetic control traction sheave brake. A traction sheave comprises a cylindrical sheave body and a hollow shaft sleeve which is coaxial with the sheave body, and the sheave body and the shaft sleeve are connected through a plurality of spokes that are vertical to the sheave body and are distributed circumferentially. The electromagnetic control traction sheave brake is characterized by comprising an inverted-cone-shaped hollow sleeve, and an inverted-cone-shaped magnetic top block with the shape matched with the appearance and the internal shape of the hollow sleeve, the hollow sleeve is coaxially arranged at one side of the top block, the other side of the top block is provided with an electromagnet in attraction with the top block, and a brake rod capable of only moving in radial direction is inserted in the side wall of the hollow sleeve. According to the electromagnetic control traction sheave brake, the traction sheave brakes by virtue of electromagnetism attraction, and the restoring force of a spring offsets the brake force; the electromagnetic control traction sheave brake has a simple structure, is convenient in operation, is accurate in brake location, and has good brake effect; the top block and the brake rod stretch into the hollow sleeve by a reasonable length, so that the top block and the brake rod can well control self movement direction, and the stability of the brake is improved.
Description
Technical field
The present invention relates to a kind of brake device for elevator, relate in particular to a kind of drg that directly acts on the elevator traction wheel.
Background technology
The power plant of elevator mainly is a towing machine, specifically comprises electrical motor, coupler, drop-gear box, traction sheave and frame.Wherein, traction sheave is also claimed the traction rope sheave or is driven rope sheave, is the device that elevator transmits traction power, utilizes the friction force transferring power of grooving on traction steel-cable and the traction wheel rim, is contained on the worm-wheel shaft in the retarder.The brake equipment of elevator is installed on the cage guide or on the hoist ropes usually at present, and braking effect is not as directly braking traction sheave.
Summary of the invention
The present invention has overcome the deficiency of prior art, provides a kind of simple in structure, snap catch, and can cancel braking force fast, braking position accurate and, effective electromagnetic control traction sheave drg.
For achieving the above object; The technical scheme that the present invention adopts is: a kind of traction sheave drg of electromagnetic control; Said traction sheave comprise the tubular wheel body and with the hollow tube-shape axle sleeve of the coaxial setting of said wheel body; Link to each other through the some spokes that circumferentially distribute perpendicular to said wheel body between said wheel body and the axle sleeve, it is characterized in that: comprise the back taper magnetic jacking block that back taper hollow sleeve and profile match with the hollow sleeve interior shape, said hollow sleeve is with being located in jacking block one side; The opposite side of jacking block is provided with the electromagnet that attracts each other with jacking block, is inserted with the brake rod that can and can only move radially on the hollow sleeve sidewall.
In preferred embodiment of the present invention; Comprise that further said brake rod is a hollow structure, an end that stretches out hollow sleeve is closed, is provided with the spring parallel with brake rod in the hollow cavity of brake rod; Said spring one end links to each other with said brake rod closing end, and the other end is fixed in the hollow sleeve sidewall.
In preferred embodiment of the present invention, further comprise said electromagnet towards the wall of jacking block one side along the hollow sleeve axis direction to the minor increment of hollow sleeve open end end face less than the length of jacking block along self axis direction.
In preferred embodiment of the present invention, comprise further that said brake rod arrives the distance of said open end end face less than the jacking block cone tip part to the distance of hollow sleeve open end end face along the hollow sleeve axis direction.
In preferred embodiment of the present invention, it is identical along the degree of dip at axis direction same position place with the hollow sleeve sidewall to comprise that further said brake rod stretches into an end section of hollow sleeve.
In preferred embodiment of the present invention, comprise that further the natural length of said spring equals the distance of brake rod closing end along the brake rod axis to the hollow sleeve sidewall.
In preferred embodiment of the present invention, when comprising that further said spring in the raw, the length that brake rod is in the hollow sleeve equals, and the residing hollow sleeve sidewall locations of brake rod axially arrives the distance of jacking block outside wall surface along brake rod.
The invention solves the defective that exists in the background technology, the traction sheave drg of a kind of electromagnetic control of the present invention relies on electromagnetic attaction braking traction sheave; Rely on the restoring force of spring to cancel braking force, simple in structure, easy to operate; Brake accurate positioning simultaneously, good braking effect.Jacking block rationally is set stretches into the length of hollow sleeve and the length that brake rod stretches into hollow sleeve, help better control tracks direction separately, strengthen drg stability.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the structural representation of the preferred embodiments of the present invention;
Fig. 2 is the schematic cross-section that brake rod is plugged in the hollow sleeve position in the preferred embodiments of the present invention;
Among the figure: 1, wheel body, 2, hollow sleeve, 3, axle sleeve, 4, jacking block, 5, spoke, 6, electromagnet, 8, brake rod, 81, breach, 12, spring.
The specific embodiment
Combine accompanying drawing and embodiment that the present invention is done further detailed explanation now, these accompanying drawings are the scheme drawing of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
As shown in Figure 1; The traction sheave drg of a kind of electromagnetic control of the present invention; Said traction sheave comprise tubular wheel body 1 and with the hollow tube-shape axle sleeve 3 of said wheel body 1 coaxial setting, link to each other through the some spokes 5 that circumferentially distribute perpendicular to said wheel body 1 between said wheel body 1 and the axle sleeve 3.Said drg comprises the back taper magnetic jacking block 4 that back taper hollow sleeve 2 and profile match with hollow sleeve 2 interior shapes; Said hollow sleeve 2 is with being located in jacking block 4 one sides; The opposite side of jacking block 4 is provided with the electromagnet 6 that attracts each other with jacking block 4, is inserted with the brake rod 8 that can and can only move radially on hollow sleeve 2 sidewalls.Said electromagnet 6 towards the wall of jacking block 4 one sides along hollow sleeve 2 axis directions to the minor increment of hollow sleeve 2 open end end faces less than the length of jacking block 4 along self axis direction; Jacking block 4 is arranged on along on the sliding rail of hollow sleeve 2 axis directions, limits it and moves in the direction.Said brake rod 8 is the cylindric hollow structure of lengthwise; Have long and narrow breach 81 on the sidewall along axis direction; The end that brake rod 8 stretches out hollow sleeve 2 is closed, and hollow sleeve 2 sidewalls have the C type through hole that cooperates brake rod 8 cross sectional shapes and said breach 81, and are as shown in Figure 2; Brake rod 8 other ends pass said through hole and stretch into hollow sleeve 2 inside.Brake rod 8 length are 1.5-2 times that traction sheave spoke 5 arrives wheel body 1 one end end face distances vertically.Be provided with the spring 12 parallel with brake rod 8 in the hollow cavity of brake rod 8, spring 12 not only plays the reset response to brake rod 8, can limit the sense of motion of brake rod 8 simultaneously.Said spring 12 1 ends link to each other with said brake rod 8 closing ends, and the other end is fixed in the wall at hollow sleeve 2 sidewall C type through holes middle part.The natural length of said spring 12 equals the distance of brake rod 8 closing ends along brake rod 8 axis to hollow sleeve 2 sidewalls; Spring 12 is in the raw the time; Brake rod 8 is in the length in the hollow sleeve 2, equals brake rod 8 residing hollow sleeve 2 sidewall locations axially arrive jacking block 4 outside wall surface along brake rod 8 distance.Along hollow sleeve 2 axis directions, said brake rod 8 arrives the distance of said open end end face less than jacking block 4 cone tip parts to the distance of hollow sleeve 2 open end end faces.The end section that said brake rod 8 stretches into hollow sleeve 2 is identical along the degree of dip at axis direction same position place with hollow sleeve 2 sidewalls, and the contact surface of 4 of brake rod 8 and jacking blocks is more fitted, and cooperates more stable.
During installation, the traction sheave plane is vertical, and drg of the present invention is located near the traction sheave, and wherein, brake rod 8 is aimed at the neutral gear zone that adjacent two spokes 5 and wheel body 1 wall surround perpendicular to the traction sheave plane, does not contact wheel body 1 near wheel body 1 as far as possible; Spring 12 is in the former length of nature, and brake rod 8 stretches out C type through hole the distance along hollow sleeve 2 axis directions to wheel body 1 a nearer end end face of the length of hollow sleeve 2 smaller or equal to hollow sleeve 2.Elevator normally moves, and during the traction sheave normal rotation, to electromagnet 6 supply regular powers, jacking block 4 is attracted to be positioned at its lower end by electromagnet 6, and jacking block 4 lower ends are stretched in the hollow sleeve 2, and brake rod 8 is not had horizontal thrust, and brake rod 8 does not get into said neutral gear zone; Need glancing impact, power-off protection, jacking block 4 loses the attractive force of electromagnet 6; By gravity gets into along said guide rail and to move to hollow sleeve 2 cone tip parts, and the distance of an end horizontal direction and jacking block 4 that brake rod 8 stretches into hollow sleeve 2 is more and more littler; Until contact jacking block 4 outside wall surface; Jacking block 4 continues to descend, and promotes brake rod 8 and stretches into said neutral gear zone, brakes; Simultaneously, spring 12 is stretched, and in the time of need resuming operation again, energising electromagnet 6 attracts jacking block 4 upward movements again, and brake rod 8 withdraws from the neutral gear zone gradually under the restoring force effect of spring 12, remove the braking of traction sheave spacing.
Above foundation desirable embodiment of the present invention is enlightenment, and through above-mentioned description, the related personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.The technical scope of this invention is not limited to the content on the specification sheets, must confirm technical scope according to the claim scope.
Claims (7)
1. the traction sheave drg of an electromagnetic control; Said traction sheave comprise the tubular wheel body and with the hollow tube-shape axle sleeve of the coaxial setting of said wheel body; Link to each other through the some spokes that circumferentially distribute perpendicular to said wheel body between said wheel body and the axle sleeve; It is characterized in that: comprise the back taper magnetic jacking block that back taper hollow sleeve and profile match with the hollow sleeve interior shape; Said hollow sleeve is with being located in jacking block one side, and the opposite side of jacking block is provided with the electromagnet that attracts each other with jacking block, is inserted with the brake rod that can and can only move radially on the hollow sleeve sidewall.
2. the traction sheave drg of a kind of electromagnetic control according to claim 1; It is characterized in that: said brake rod is a hollow structure; An end that stretches out hollow sleeve is closed; Be provided with the spring parallel with brake rod in the hollow cavity of brake rod, said spring one end links to each other with said brake rod closing end, and the other end is fixed in the hollow sleeve sidewall.
3. the traction sheave drg of a kind of electromagnetic control according to claim 2 is characterized in that: said electromagnet towards the minor increment of wall along the hollow sleeve axis direction to hollow sleeve open end end face of jacking block one side less than the length of jacking block along self axis direction.
4. the traction sheave drg of a kind of electromagnetic control according to claim 3 is characterized in that: along the hollow sleeve axis direction, said brake rod to the distance of hollow sleeve open end end face less than the distance of jacking block cone tip part to said open end end face.
5. the traction sheave drg of a kind of electromagnetic control according to claim 4, it is characterized in that: the end section that said brake rod stretches into hollow sleeve is identical along the degree of dip at axis direction same position place with the hollow sleeve sidewall.
6. the traction sheave drg of a kind of electromagnetic control according to claim 5 is characterized in that: the natural length of said spring equals the distance of brake rod closing end along the brake rod axis to the hollow sleeve sidewall.
7. the traction sheave drg of a kind of electromagnetic control according to claim 6; It is characterized in that: said spring is in the raw the time; The length that brake rod is in the hollow sleeve equals, and the residing hollow sleeve sidewall locations of brake rod axially arrives the distance of jacking block outside wall surface along brake rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210276588.4A CN102774771B (en) | 2012-08-06 | 2012-08-06 | Electromagnetic control traction sheave brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210276588.4A CN102774771B (en) | 2012-08-06 | 2012-08-06 | Electromagnetic control traction sheave brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102774771A true CN102774771A (en) | 2012-11-14 |
| CN102774771B CN102774771B (en) | 2014-10-29 |
Family
ID=47119915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210276588.4A Expired - Fee Related CN102774771B (en) | 2012-08-06 | 2012-08-06 | Electromagnetic control traction sheave brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102774771B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111170190A (en) * | 2020-04-11 | 2020-05-19 | 山东科瑞机械制造有限公司 | Drilling rig winch disc brake integrated control method and device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5202539A (en) * | 1991-08-28 | 1993-04-13 | Inventio Ag | Emergency brake apparatus for an elevator |
| JP2000191250A (en) * | 1998-12-25 | 2000-07-11 | Mitsubishi Electric Corp | Hoisting device for elevator |
| CN1902122A (en) * | 2004-08-19 | 2007-01-24 | 三菱电机株式会社 | Brake device for elevator |
| CN201545570U (en) * | 2009-11-21 | 2010-08-11 | 韶关市曲江区明和设备修造有限公司 | Elevator speed limiting device |
| JP2010189088A (en) * | 2009-02-16 | 2010-09-02 | Mitsubishi Electric Corp | Elevator emergency brake device |
| CN102101619A (en) * | 2009-12-18 | 2011-06-22 | 株式会社日立制作所 | Brake device of elevator |
| CN102272030A (en) * | 2009-01-12 | 2011-12-07 | 通力股份公司 | Elevator provided with locking apparatus to prevent movement of the elevator car and locking apparatus to prevent movement of the elevator car |
| CN202766190U (en) * | 2012-08-06 | 2013-03-06 | 吴江信谊精密五金有限公司 | Electromagnetic control traction sheave brake |
-
2012
- 2012-08-06 CN CN201210276588.4A patent/CN102774771B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5202539A (en) * | 1991-08-28 | 1993-04-13 | Inventio Ag | Emergency brake apparatus for an elevator |
| JP2000191250A (en) * | 1998-12-25 | 2000-07-11 | Mitsubishi Electric Corp | Hoisting device for elevator |
| CN1902122A (en) * | 2004-08-19 | 2007-01-24 | 三菱电机株式会社 | Brake device for elevator |
| CN102272030A (en) * | 2009-01-12 | 2011-12-07 | 通力股份公司 | Elevator provided with locking apparatus to prevent movement of the elevator car and locking apparatus to prevent movement of the elevator car |
| JP2010189088A (en) * | 2009-02-16 | 2010-09-02 | Mitsubishi Electric Corp | Elevator emergency brake device |
| CN201545570U (en) * | 2009-11-21 | 2010-08-11 | 韶关市曲江区明和设备修造有限公司 | Elevator speed limiting device |
| CN102101619A (en) * | 2009-12-18 | 2011-06-22 | 株式会社日立制作所 | Brake device of elevator |
| CN202766190U (en) * | 2012-08-06 | 2013-03-06 | 吴江信谊精密五金有限公司 | Electromagnetic control traction sheave brake |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111170190A (en) * | 2020-04-11 | 2020-05-19 | 山东科瑞机械制造有限公司 | Drilling rig winch disc brake integrated control method and device |
| CN111170190B (en) * | 2020-04-11 | 2020-09-01 | 山东科瑞机械制造有限公司 | Drilling rig winch disc brake integrated control method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102774771B (en) | 2014-10-29 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20170806 |