CN104395217A - Electromagnetic brake release device for elevators - Google Patents
Electromagnetic brake release device for elevators Download PDFInfo
- Publication number
- CN104395217A CN104395217A CN201280073900.8A CN201280073900A CN104395217A CN 104395217 A CN104395217 A CN 104395217A CN 201280073900 A CN201280073900 A CN 201280073900A CN 104395217 A CN104395217 A CN 104395217A
- Authority
- CN
- China
- Prior art keywords
- ball
- screw nut
- brake
- release gear
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/027—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/12—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect
- B66D5/14—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect embodying discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/24—Operating devices
- B66D5/30—Operating devices electrical
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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
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
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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
- F16D2121/22—Electric or magnetic using electromagnets for releasing a normally applied brake
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Braking Arrangements (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
Provided is a compact brake release device for an electromagnetic brake capable of releasing the brake with precision and with less force than a lever-type release lever. The device comprises: a shaft that can be inserted into a threaded portion of a brake shoe assembly that is housed in a brake core; a base that receives the reactive force to tension in the shaft during brake release; a ball screw fastened to the shaft and a ball screw nut; a radial bearing that is press fit into the outer rim of the ball screw nut; a guide fastened to the outer rim of the radial bearing; a handle mounted on the ball screw in the axial direction; a thrust bearing that is fastened between the guide and the base and that receives the reactive force of the ball screw nut of the ball screw during release; a flange provided on the ball screw nut; an engaging hole provide concentrically in the circumferential direction of the flange; a mating portion provided on the ball screw nut; a release lever capable of being mounted in the mating portion; and a protruding portion that is provided at the distal end of the release lever and that is capable of being mounted in the engaging hole in the flange.
Description
Technical field
The present invention relates to a kind of release gear for electromagnetic brake of the winch that lift car is elevated and use the elevator of this drg release gear.
Background technology
In existing elevator, link lift car and counterbalanced weight by hoist cable, hoist cable is wound on the rope sheave of winch, carries out elevating control by direct motor drive winch.
A little weight difference is set between lift car and counterbalanced weight, is set to thus after stopping is to the driving of winch, carries out lifting moving lentamente toward the direction.Winch is provided with the brake disc coaxial with rope sheave, is braked by the magnet stopper with the brake shoe engaged with this brake disc.
Open type magnet stopper is used as magnet stopper, during elevator action, electromagnetic valve action, brake shoe is separated with brake disc, when stopping the driving to elevator, cut off the power supply of magnet stopper, utilize retarding spring brake shoe pressing to be fixed on the disc brake rotor and by the rope sheave of winch, make lift car and counterbalanced weight stop thus.When carrying out maintenance examination to elevator, sometimes needing the electrical motor making winch to stop, cutting off magnet stopper, after on position elevator being temporarily fixed at regulation, discharge magnet stopper, to finely tune the position of elevator temporarily.
In the prior art, as the releasing mechanism of the magnet stopper be arranged on Winch for elevator, be usually configured to utilize lever principle, by trigger bar, release bolt mentioned.
Such as, at the following brake release device that Patent Document 1 discloses a kind of magnet stopper, in this magnet stopper, when the fixed iron core of electromagnet is without excitation mode, utilize the pressure of spring to be held in by the brake pad plate holder be arranged on brake axle between fixing brake surface and movable brake surface to brake, by operation trigger bar, the engagement section be arranged on release pin is engaged with movable platen, the trigger bar of lever (cantilever) mode be fixed together by axle and this release pin is rotated, spring is compressed and produces braking backing plate thrust pressure, movable platen is made to move towards braking release direction thus.
At first technical literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 49-9987 publication
The problem that invention will solve
According to the structure disclosed in above-mentioned patent documentation 1, when the large-scale magnet stopper that release elastic force is large, in order to keep with operating effort during release identical in the past and carry out drg release movement accurately, the length of trigger bar must be increased., along with the length of trigger bar increases, in order to reserve space between brake pad as in the past and brake disc, compared with former structure, need to increase trigger bar stroke, and need the maintenance size before increasing drg.In addition, along with the length of trigger bar increases, the weight of trigger bar increases, and the distance between drg and operating personal becomes large, so operability can be made significantly to decline.
Summary of the invention
The present invention completes in view of above-mentioned problem, the object of the present invention is to provide a kind of drg release gear of magnet stopper, it is compared with lever-type trigger bar, can discharge drg, and can reduce the maintenance size before drg with the precision of less power and Geng Gao.
Solution
In order to solve the problem, the invention provides a kind of release gear for electromagnetic brake of elevator, it has the ball-screw linked with brake shoe fabricate block, the ball-screw nut screwed togather with ball-screw, the thrust baring of antagonistic force bearing ball-screw nut when discharging and the trigger bar that can be arranged on ball-screw nut, wherein, this brake shoe fabricate block is made up of the brake shoe be accommodated in drg iron core and rod member.
Invention effect
According to the release gear for electromagnetic brake of elevator of the present invention, owing to using ball-screw and ball-screw nut, brake shoe is moved towards release direction, so compared with lever-type release gear, magnet stopper can be discharged with the precision of less power and Geng Gao, and the length of trigger bar can be shortened.
In addition, when carrying out drg release movement, by making trigger bar rotate centered by drg iron core, can drg be discharged, so compared with lever-type drg release gear, the maintenance size in drg front unshakable in one's determination can be reduced.
And, by reducing the power acted on trigger bar, under the effect of the recuperability had at ball-screw, can the release movement of brake off device rapidly, so when contingency lift car etc. there occurs the abnormal situations such as idle running, also the braking force of drg can be recovered at once, so have very high safety.
Accompanying drawing explanation
Fig. 1 represents the schematic diagram applying elevator of the present invention.
Fig. 2 represents the front view being equipped with the drg release gear of the first embodiment of the present invention and the magnet stopper of trigger bar.
Fig. 3 represents the lateral plan being equipped with the drg release gear of the first embodiment of the present invention and the magnet stopper of trigger bar.
Fig. 4 A is the front view of the drg release gear trigger bar representing the first embodiment of the present invention.
Fig. 4 B is the lateral plan of the drg release gear trigger bar representing the first embodiment of the present invention.
Fig. 5 is the cutaway view of the drg release gear representing the first embodiment of the present invention.
Fig. 6 is the A direction view of Fig. 5.
Fig. 7 represents the front view being equipped with the drg release gear of the second embodiment of the present invention and the magnet stopper of trigger bar.
Fig. 8 is the front view of the drg release gear trigger bar representing the second embodiment of the present invention.
Detailed description of the invention
Below, with reference to embodiment and accompanying drawing, the drg release gear involved by embodiments of the present invention is described.It should be noted that, the present invention is not limited in following embodiment.
Fig. 1 is the schematic diagram of the structure of elevator 1 involved by present embodiment.The lift car 120 that elevator 1 involved by present embodiment has lifting in hoist trunk 110 and the counterbalanced weight 140 linked with lift car 120 via hoist cable 130, wherein, hoist trunk 110 is formed in building structure.
In addition, also have winch 100 and deflection sheave 150, winch 100 is arranged on the top of hoist trunk 110, and by winding hoist cable 130, lift car 120 is elevated, deflection sheave 150 is arranged near winch 100, it is wound with hoist cable 130.
First embodiment
Fig. 2 is the front view representing the magnet stopper being equipped with the drg release gear of the first embodiment of the present invention and the winch of trigger bar.
The axial end portion of winch 100 is provided with brake disc 31.F represents the framework of elevator, and 34 represent drg supporting station, and drg supporting station 34 is provided with drg iron core 22, and it has the magnet stopper braked brake disc 31.39 represent that manually operation discharges the drg release gear of magnet stopper, and 29 represent trigger bar.By making trigger bar 29 rotate towards direction shown in arrow (clockwise direction), the magnet stopper after braking is discharged.
Fig. 3 is the lateral plan being provided with the magnet stopper of drg release gear 39 and trigger bar 29 representing the first embodiment of the present invention.By making trigger bar 18 (towards the right side) rotation be toward the clockwise direction assemblied on the ball-screw nut of drg release gear 39, ball-screw nut is abutted with drg unshakable in one's determination 22, because ball-screw and brake shoe fabricate block 20 one link, so brake shoe fabricate block 20 pairs of retarding springs 33 compress, make to produce gap 38 between brake shoe 32a, 32b and brake disc 31, discharge the braking force of drg thus.
Fig. 4 A represents the drg release gear of the first embodiment of the present invention and the front view of trigger bar, and Fig. 4 B represents the drg release gear of the first embodiment of the present invention and the lateral plan of trigger bar.
Trigger bar 29 is made up of with the bar leading section 28 in the hole 37 with the annular arrangement that can be connected with the ball-screw nut of drg release gear 39 the bar portion 27 of the moment transmitted when discharging, and can be arranged on the socket of ball-screw nut.
Fig. 5 is the cutaway view of the details of the drg release gear representing the first embodiment of the present invention, and Fig. 6 is the A direction view in Fig. 5.
In Figure 5, release gear for electromagnetic brake involved by first embodiment has: the axle 10 being formed with screw rod 43, it can insert the tapped bore portion 41 of brake shoe fabricate block 20, in the hole 36 that brake shoe fabricate block 20 is accommodated in drg 22 central authorities unshakable in one's determination and front end has brake shoe; Bear the antagonistic force of the tensile force of axle 10 when drg discharges and passed to the pedestal 11 as spacer member of drg iron core 22; Be fastened on the ball-screw 12 on axle 10; The ball-screw nut 18 screwed togather with ball-screw 12; Be pressed into the flange part 13 outside ball-screw nut 18; Be pressed into the radial bearing 14 outside flange part 13; Be fastened on the guide 15 on the outer ring of radial bearing 14; Be arranged on the handle 16 on one end of ball-screw 12; Be fastened between guide 15 and pedestal 11 to be born the thrust baring 17 of antagonistic force by ball-screw nut 18 when discharging.
Axle 10 is coupling member, can omit this axle 10 and brake shoe fabricate block 20 and ball-screw 12 directly be linked.44 represent ball-screw retainer.
The flange part 13 be fixed on ball-screw nut 18 has the connecting hole 30 and socket 26 that arrange to concentric circles in the circumferential.
Pedestal 11, flange part 13, radial bearing 14, guide 15, thrust baring 17 and ball-screw nut 18 form nut combinations body 21.Nut combinations body 21 is constructed to be permeable to rotate while move on ball-screw 12 along the length direction of axle.
At this, by turning handle 16, the screw rod 43 of axle 10 front end is screwed into the tapped bore portion 41 of brake shoe fabricate block 20, makes axle abutting part 19 abut with brake shoe fabricate block 20 and be fixed.After this, nut combinations body 21 is rotated towards drg 22 sides unshakable in one's determination and moves, make pedestal 11 abut with drg unshakable in one's determination 22 thus.
As shown in Figure 4 A and 4 B shown in FIG., at two positions of the bar leading section 28 of trigger bar 29, separate 180 degree be arranged at intervals with and be positioned at same jut 23 circumferentially with multiple connecting hole 30, wherein, multiple connecting hole 30 is arranged on flange part 13, and flange part 13 is arranged on ball-screw nut 18.Handle 16 side of the hole 37 of bar leading section 28 from drg release gear 39 is inserted, and embeds the socket 26 of flange part 13.Flange part 13 is samely circumferentially provided with 12 connecting holes 30 to be interposed between 30 °.
Due to the phase angle of the connecting hole 30 of the flange part 13 of ball-screw nut 18 and the jut 23 of trigger bar 29 consistent, so the jut 23 of trigger bar 18 can insert the connecting hole 30 of flange part 13.In addition, because flange part 13 is samely circumferentially provided with 12 connecting holes 30, so the release movement of trigger bar 29 can be carried out with the angle the most easily discharged to be interposed between 30 °.
Second embodiment
Fig. 7 is the lateral plan being provided with the magnet stopper of drg release gear and trigger bar representing the second embodiment of the present invention, and Fig. 8 represents the drg release gear of the second embodiment of the present invention and the front view of trigger bar.
As shown in Figure 8, trigger bar 48 has orthohexagonal connecting hole 49 at bar leading section 50, and has bar portion 47.On the other hand, the periphery of the ball-screw nut 18A of drg release gear 39A is formed as regular hexagon, thus can engage with the orthohexagonal connecting hole 49 of the bar leading section 50 of trigger bar 48.For this reason, trigger bar 48 is engaged with the ball-screw nut 18A of drg release gear 39A, the same with the first embodiment, rotating operation is carried out to drg release gear 39A, can magnet stopper be discharged thus.
In addition, the ball-screw nut of trigger bar and drg release gear can also adopt the arbitrary array configuration can transmitting rotating torque.Such as, the form of the ball-screw side of trigger bar being inserted drg release gear can also be adopted.
In the above-described embodiments, trigger bar is detachably arranged on drg release gear, and operating personnel manually operates.Trigger bar, except manual manipulation mode, can also use the electrodynamic type trigger bar with the socket engaged with the ball-screw nut such as started by battery electric.Now, adopt certain device to make trigger bar main body be locked on drg release gear in rotation direction, carry out simple push-botton operation by antagonistic force, the releasing operation of magnet stopper can be carried out.
By the ball-screw nut of trigger bar and drg release gear being constructed to be permeable to the mode installed and removed, good operability can be obtained, but, when adopting ball-screw mode, because rotating torque is little, and the length needed for trigger bar is short, so also small-sized trigger bar can be arranged to and be permanently secured on ball-screw nut.
The emergency situations such as idle running may be there is during drg release movement, when there occurs this situation, be necessary to make drg recover braking force at once, elevator safety is stopped.
According to drg release gear involved in the present invention, by the hand of unclamp operation trigger bar, namely remove the operating effort to trigger bar, can under the effect of the recuperability of ball-screw the releasing operation of brake off device, therefore, even if just in case there occurs the abnormal situations such as idle running, drg also can be made at once to recover braking force, so can safety be improved.
When there being foreign matter to enter between ball-screw and ball-screw nut, ball-screw cannot carry out action smoothly, and ball-screw likely can be hindered to play recuperability.Now, when there occurs the abnormal situations such as above-mentioned idle running, serious accident may be there is because the braking force of drg cannot recover.Therefore, the hermetically-sealed construction preventing foreign matter from entering preferably is set between ball-screw and nut portion.
Description of reference numerals is as follows:
1 ... elevator, 10 ... axle, 11 ... pedestal, 12 ... ball-screw, 13 ... flange part, 14 ... radial bearing, 15 ... guide, 16 ... handle, 17 ... thrust baring, 18 ... ball-screw nut, 20 ... brake shoe fabricate block, 21 ... nut combinations body, 22 ... drg is unshakable in one's determination, 23 ... jut, 26 ... socket, 27 ... bar portion, 8 ... bar leading section, 29, 48 ... trigger bar, 30 ... connecting hole, 31 ... brake disc, 32a, 32b ... brake shoe, 33 ... retarding spring, 34 ... drg supporting station, 37, 49 ... connecting hole, 39, 39A ... drg release gear, 44 ... ball-screw retainer, 100 ... winch, 110 ... hoist trunk, 120 ... lift car, 130 ... hoist cable, 140 ... counterbalanced weight
Claims (8)
1. a release gear for electromagnetic brake for elevator, is characterized in that,
Described elevator has winch, magnet stopper and magnet stopper open system, described winch is for driving lift car and counterbalanced weight lifting, described magnet stopper is braked the brake disc be arranged on winch by brake shoe, and utilize the elastic force of spring that winch is stopped, described magnet stopper open system overcomes the elastic force of described spring and the braking of open described magnet stopper, it is unshakable in one's determination that this machine release gear for electromagnetic brake has the drg receiving described brake shoe, the ball-screw linked with described brake shoe and the ball-screw nut screwed togather with this ball-screw, bear the thrust baring of the antagonistic force of described ball-screw nut when magnet stopper discharges and be arranged on described ball-screw nut with the trigger bar making this ball-screw nut rotate.
2. the release gear for electromagnetic brake of elevator as claimed in claim 1, is characterized in that,
The pedestal of the antagonistic force bearing described ball-screw nut when magnet stopper discharges is provided with between described drg iron core and described thrust baring.
3. the release gear for electromagnetic brake of elevator as claimed in claim 1 or 2, is characterized in that,
Described trigger bar is arranged on described ball-screw nut dismantledly.
4. winch release gear for electromagnetic brake as claimed in claim 1 or 2, is characterized in that,
The flange part being provided with connecting hole in the circumferential is equably fixed on the periphery of described ball-screw nut, is provided with the jut engaged with the connecting hole of described flange part in the front end of described trigger bar.
5. winch release gear for electromagnetic brake as claimed in claim 1 or 2, is characterized in that,
The periphery of described ball-screw nut is provided with square engagement section, is provided with the connecting hole engaged with the square engagement section of described ball-screw nut periphery in the front end of described trigger bar.
6. the release gear for electromagnetic brake of elevator as claimed in claim 1 or 2, is characterized in that,
The release gear for electromagnetic brake of described elevator has the radial bearing being arranged on described flange part periphery and the guide being arranged on this radial bearing periphery.
7. the release gear for electromagnetic brake of elevator as claimed in claim 1 or 2, is characterized in that,
The release gear for electromagnetic brake of described elevator is provided with the axle will linked up between described brake shoe and described ball-screw.
8. winch release gear for electromagnetic brake as claimed in claim 7, is characterized in that,
The other end of fastening described ball-screw being on the shaft provided with handle, by making described handle rotate, described ball-screw and described axle and described brake shoe being screwed togather.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2012/065098 WO2013186867A1 (en) | 2012-06-13 | 2012-06-13 | Electromagnetic brake release device for elevators |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104395217A true CN104395217A (en) | 2015-03-04 |
| CN104395217B CN104395217B (en) | 2016-08-24 |
Family
ID=49757731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280073900.8A Active CN104395217B (en) | 2012-06-13 | 2012-06-13 | The release gear for electromagnetic brake of elevator |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5824149B2 (en) |
| CN (1) | CN104395217B (en) |
| IN (1) | IN2014DN10316A (en) |
| WO (1) | WO2013186867A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109132811A (en) * | 2017-06-27 | 2019-01-04 | 株式会社日立制作所 | Electromagnetic braking release device and elevator |
| CN109562907A (en) * | 2016-08-01 | 2019-04-02 | 三菱电机株式会社 | The cage fixture mechanism of elevator |
| CN110621606A (en) * | 2017-05-23 | 2019-12-27 | 三菱电机株式会社 | Brake release device for elevator |
| CN110723615A (en) * | 2019-07-17 | 2020-01-24 | 南通中天精密仪器有限公司 | Brake releasing device of elevator brake |
| CN114906764A (en) * | 2021-02-10 | 2022-08-16 | 三菱电机株式会社 | Brake release device |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935928B (en) * | 2014-04-29 | 2016-03-16 | 三峡大学 | With the magnet stopper of air-pressure damping structure |
| JP6984776B1 (en) * | 2021-03-02 | 2021-12-22 | 三菱電機株式会社 | Brake release device |
| CN113669383B (en) * | 2021-08-18 | 2023-05-26 | 佗道医疗科技有限公司 | Motion joint brake and swing mechanism |
| KR102341995B1 (en) * | 2021-08-30 | 2021-12-21 | 김정록 | Apparatus for braking sheave for elevator |
| KR102341994B1 (en) * | 2021-08-30 | 2021-12-21 | 김정록 | Apparatus for braking sheave for elevator |
| CN114408695B (en) * | 2021-12-08 | 2023-07-14 | 上海市建筑科学研究院科技发展有限公司 | Manual uniform descending speed limiting mechanism for construction lifter |
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| JPH10250993A (en) * | 1997-03-12 | 1998-09-22 | Sanyo Kogyo Kk | Manual releasing device for brake device |
| JP2006161920A (en) * | 2004-12-06 | 2006-06-22 | Sanyo Kogyo Kk | Braking device |
| JP2006176248A (en) * | 2004-12-21 | 2006-07-06 | Tir Corporation | Winch with manual operation safety mechanism |
| CN101734530A (en) * | 2010-02-04 | 2010-06-16 | 沈阳优力机电设备有限公司 | Block type electromagnetic brake |
| JP4585381B2 (en) * | 2005-06-06 | 2010-11-24 | 三菱電機株式会社 | Brake device |
| JP2011033080A (en) * | 2009-07-30 | 2011-02-17 | Ntn Corp | Electric actuator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2779452B2 (en) * | 1989-12-19 | 1998-07-23 | 株式会社キッツ | Electric actuator |
| JP3643482B2 (en) * | 1998-07-17 | 2005-04-27 | 株式会社共立 | Box wrench |
| JP2004059196A (en) * | 2002-07-26 | 2004-02-26 | Mihara Kinzoku Kogyo:Kk | Elevator |
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2012
- 2012-06-13 WO PCT/JP2012/065098 patent/WO2013186867A1/en active Application Filing
- 2012-06-13 IN IN10316DEN2014 patent/IN2014DN10316A/en unknown
- 2012-06-13 JP JP2014521033A patent/JP5824149B2/en active Active
- 2012-06-13 CN CN201280073900.8A patent/CN104395217B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10250993A (en) * | 1997-03-12 | 1998-09-22 | Sanyo Kogyo Kk | Manual releasing device for brake device |
| JP2006161920A (en) * | 2004-12-06 | 2006-06-22 | Sanyo Kogyo Kk | Braking device |
| JP2006176248A (en) * | 2004-12-21 | 2006-07-06 | Tir Corporation | Winch with manual operation safety mechanism |
| JP4585381B2 (en) * | 2005-06-06 | 2010-11-24 | 三菱電機株式会社 | Brake device |
| JP2011033080A (en) * | 2009-07-30 | 2011-02-17 | Ntn Corp | Electric actuator |
| CN101734530A (en) * | 2010-02-04 | 2010-06-16 | 沈阳优力机电设备有限公司 | Block type electromagnetic brake |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109562907A (en) * | 2016-08-01 | 2019-04-02 | 三菱电机株式会社 | The cage fixture mechanism of elevator |
| CN109562907B (en) * | 2016-08-01 | 2023-09-26 | 三菱电机株式会社 | Car fixing device of elevator |
| CN110621606A (en) * | 2017-05-23 | 2019-12-27 | 三菱电机株式会社 | Brake release device for elevator |
| CN110621606B (en) * | 2017-05-23 | 2021-03-23 | 三菱电机株式会社 | Brake release device for elevator |
| CN109132811A (en) * | 2017-06-27 | 2019-01-04 | 株式会社日立制作所 | Electromagnetic braking release device and elevator |
| CN109132811B (en) * | 2017-06-27 | 2020-11-10 | 株式会社日立制作所 | Electromagnetic brake release device and elevator |
| CN110723615A (en) * | 2019-07-17 | 2020-01-24 | 南通中天精密仪器有限公司 | Brake releasing device of elevator brake |
| CN114906764A (en) * | 2021-02-10 | 2022-08-16 | 三菱电机株式会社 | Brake release device |
| CN114906764B (en) * | 2021-02-10 | 2024-01-16 | 三菱电机株式会社 | brake release device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104395217B (en) | 2016-08-24 |
| IN2014DN10316A (en) | 2015-08-07 |
| WO2013186867A1 (en) | 2013-12-19 |
| JPWO2013186867A1 (en) | 2016-02-01 |
| JP5824149B2 (en) | 2015-11-25 |
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