WO2006018884A1 - エレベータのブレーキ装置 - Google Patents
エレベータのブレーキ装置 Download PDFInfo
- Publication number
- WO2006018884A1 WO2006018884A1 PCT/JP2004/011919 JP2004011919W WO2006018884A1 WO 2006018884 A1 WO2006018884 A1 WO 2006018884A1 JP 2004011919 W JP2004011919 W JP 2004011919W WO 2006018884 A1 WO2006018884 A1 WO 2006018884A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sheave
- engagement
- brake
- force
- elevator
- Prior art date
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B15/00—Main component parts of mining-hoist winding devices
- B66B15/02—Rope or cable carriers
-
- 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
-
- 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
- F16D63/00—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00
- F16D63/006—Positive locking brakes
Definitions
- the present invention relates to an elevator brake device for braking raising and lowering of a car and a counterweight.
- an elevator brake that holds a main rope for suspending a force and brakes the car when the speed of the elevator car becomes abnormal.
- Conventional elevator brakes are installed in the upper part of the hoistway.
- the conventional elevator brake has a pair of brake shoes, and grips the main rope by sandwiching the main rope between the brake shoes. The gripping force on the main rope of each brake shoe is maintained by a plurality of springs (see Patent Document 1).
- Patent Document 1 Japanese Patent Publication No. 7-509212
- the present invention has been made to solve the above-described problems, and it is intended to obtain an elevator brake device capable of extending the life of the main rope and reducing the installation space. Objective.
- An elevator brake device is provided in a sheave that is rotated by raising and lowering of force and a counterweight, and is applied to the sheave by a pressing device and a pressing device for applying a pressing force toward the sheave.
- a plurality of engaging portions are provided along the direction of rotation of the sheave.
- a brake disk, and an engagement device having a movable part displaceable between an engagement position engaged with the engagement part and a release position where the engagement with the engagement part is released. When the movable part is in the release position, it can rotate with the sheave, and when the movable part is in the engaged position, it is stopped to brake the rotation of the sheave.
- FIG. 1 is a longitudinal sectional view showing an elevator according to Embodiment 1 of the present invention.
- FIG. 2 is a front view showing the deflector wheel and the brake device of FIG. 1.
- FIG. 3 is a cross-sectional view taken along the line ⁇ - ⁇ in FIG.
- FIG. 4 is a cross-sectional view showing a state where the brake device of FIG. 3 is operated.
- FIG. 1 is a longitudinal sectional view showing an elevator according to Embodiment 1 of the present invention.
- a horizontal beam 2 extending horizontally is provided at the upper part of the hoistway 1.
- a pair of hoisting machine bases 3, which are support bases arranged in parallel with each other, are fixed.
- the hoisting machine base 3 supports the hoisting machine 4 as a driving device and the deflecting wheel 5 as a sheave arranged at a distance from the hoisting machine 4.
- the hoisting machine 4 has a drive device body 6 including a motor and a drive sheave 7 rotated by the drive device body 6. A plurality of main ropes 8 are hung on the driving sheave 7 and the deflector 5.
- a car 9 and a counterweight 10 are suspended from the main rope 8.
- Each main rope 8 is hit from the car 9 in the order of the drive sheave 7 and the deflector 5 and then again in the order of the drive sheave 7 and the deflector 5 to reach the counterweight 10. . That is, each main rope 8 is hung on the drive sheave 7 and the deflector 5 by the full wrap roving method (double wrap roving method).
- the force 9 and the counterweight 10 are moved up and down in the hoistway 1 by the rotation of the drive sheave 7 by the drive device body 6.
- there are a pair of cage guides 11 for guiding the raising and lowering of the car 9 and a pair of counterweight guide rails 12 for guiding the raising and lowering of the counterweight 10. is set up.
- the force cage 9 is equipped with an emergency stop device (not shown) for preventing the cage 9 from falling by gripping the cage guide rail 11.
- the deflector wheel 5 is provided with a deflector wheel brake device 13 (hereinafter simply referred to as “brake device 13”) which is a brake device for braking the rotation of the deflector wheel 5. Further, the lifting machine 4 is provided with a lifting machine brake device (not shown) for braking the rotation of the drive sheave 7.
- FIG. 2 is a front view showing the deflecting wheel 5 and the brake device 13 of FIG.
- FIG. 3 is a cross-sectional view taken along the line ⁇ - ⁇ in FIG.
- FIG. 4 is a cross-sectional view showing a state where the brake device 13 of FIG. 3 is operated.
- the deflecting wheel 5 is rotatably provided via a bearing 15 on a support shaft 14 fixed to the lifting machine base 3.
- the support shaft 14 is disposed on the central axis of the deflector 5.
- the baffle 5 has a disk-shaped sheave body 16 and an outer ring portion 17 that extends along the outer periphery of the sheave body 16.
- a plurality of groove portions 18 extending in the circumferential direction of the deflector wheel 5 are provided on the outer surface of the outer ring portion 17.
- Each main rope 8 is hung on a deflector 5 along each groove 18.
- a braking surface 19 that extends along the rotational direction of the deflector wheel 5 is provided. Further, the sheave body 16 is provided with a pressing device 20 for applying a pressing force toward the braking surface 19. An annular braking disk 21 is pressed against the braking surface 19 by a pressing device 20.
- the holding device 20 includes an adjustment bolt 22 attached to the sheave body 16, an annular holding plate 23 through which the adjustment bolt 22 penetrates slidably, and sandwiches the braking disk 21 between the braking surface 19;
- a spring 24 that is an elastic body that is compressed between the head of the adjustment bolt 22 and the pressing plate 23 and applies a pressing force to the pressing plate 23 toward the sheave main body 16 by an elastic restoring force.
- the pressing force by the spring 24 is applied to the braking disk 21 through the pressing plate 23. As a result, the braking disk 21 is pressed against the braking surface 19. Further, the magnitude of the pressing force by the spring 24 can be adjusted by adjusting the screwing amount of the adjusting bolt 22 to the sheave body 16.
- the holding plate 23 is provided with a braking surface 25 with which the braking disk 21 is brought into contact.
- the adjusting unit 26 for adjusting the pressing force applied to the braking disk 21 has an adjusting bolt 22 and a spring 24. Adjuster 26 is located along the circumferential direction of deflector 5 A plurality of spaces are arranged, and there are multiple spaces.
- the braking disk 21 is an annular plate that extends along the braking surface 19.
- the brake disc 21 is held by the deflector 5 by being pressed against the braking surface 19 by the pressing device 20.
- Each adjusting bolt 22 is arranged around the brake disk 21.
- the brake disc 21 is provided with a plurality of engagement holes 27 as engagement portions spaced apart from each other along the rotational direction of the deflecting wheel 5.
- the engagement hole 27 is provided in a portion on the radially inner side of the brake disc 21 with respect to the portion contacting the braking surface 19 and the braking surface 25.
- An engagement device 28 that faces the brake disk 21 is provided on the upper machine base 3.
- the engagement device 28 is a movable part that can be displaced between an engagement position (FIG. 4) engaged with the engagement hole 27 and a release position (FIG. 3) where the engagement hole 27 is disengaged.
- the plunger 29 is made of a magnetic material. Further, the plunger 29 is displaced to the engagement position by the forward movement, and is displaced to the release position by the backward movement. Further, the plunger 29 is engaged with the engagement hole 27 by inserting the distal end portion of the plunger 29 into the engagement hole 27. Furthermore, a stopper 32 for restricting the amount of insertion of the plunger 29 into the engagement hole 27 is fixed to the plunger 29.
- a plunger 29 penetrates the electromagnetic magnet 31 so as to be slidable.
- the electromagnetic magnet 31 has a magnet body 33 made of a magnetic material and a solenoid coil 34 accommodated in the magnet body 33.
- the plunger 29 is displaced to the release position against the bias of the engagement spring 30 by energizing the solenoid coil 34.
- the engaging device main body 35 has an engaging spring 30 and an electromagnetic magnet 31.
- the electromagnetic magnet 31 is electrically connected to a control device (not shown) that controls the operation of the elevator.
- the control device is electrically connected to a force and a speed sensor (not shown) which are detection units for detecting the force and the speed of the speed.
- the control device operates to the lifting machine brake device, brake device 13 and emergency stop device based on the information from the force and speed sensors. A signal is selectively output.
- the control device includes a first set overspeed having a value greater than the rated speed of the car 9, a second set overspeed having a value greater than the first set speed, and a second set overspeed.
- the 3rd overspeed with a large value is preset as an abnormal speed.
- the control device outputs an operation signal to the lifting machine brake device when the speed of the car 9 reaches the first set overspeed, and the brake device when the speed of the car 9 reaches the second set overspeed.
- An operation signal is output to 13 and output to the emergency stop device when the third set overspeed is reached.
- the rotation of the brake disk 21 is stopped by the displacement of the plunger 29 to the engagement position.
- the deflector 5 and the adjusting unit 26 are slid relative to the braking disk 21.
- the deflecting wheel 5 and the adjusting portion 26 are braked by the friction force between the braking surface 19 and the braking surface 25 and the braking disk 21.
- an operation signal is output from the braking device to the emergency stop device.
- the emergency stop device operates by the input of the operation signal and grips the car guide rail 11. As a result, the force 9 is braked.
- the brake disc 21 provided with a plurality of engagement holes 27 is pressed against the deflecting wheel 5 by the pressing device 20, and the plunger 29 is engaged with the engagement hole 27. Since the position is displaceable between the position and the release position where the engagement with the engagement hole 27 is released, the rotation of the deflector 5 can be braked only by moving the plunger 29 to the engagement position. Power S can be. Thereby, the electromagnetic magnet 31 can be reduced in size, and the whole brake device can be reduced in size. Accordingly, it is possible to reduce the installation space of the brake device 13 with a force S.
- the force 9 is braked by braking the rotation of the deflector 5 and is not braked by directly sandwiching the main rope 8, so that the main rope 8 is prevented from being damaged. Power S can be. Thereby, the life of the main rope 8 can be extended.
- the pressing device 20 includes a pressing plate 23 that sandwiches the braking disk 21 with the deflecting wheel 5, and an adjustment unit 26 that applies a pressing force to the braking disk 21 via the pressing plate 23. Therefore, a frictional force can be generated between the braking disk 21 and the holding plate 23, which is connected only between the braking disk 21 and the deflector wheel 5, and the braking force to the deflector wheel 5 by the brake disk 21 is increased. be able to.
- the adjustment portion 26 can adjust the magnitude of the pressing force to the braking disk 21, it is possible to adjust the magnitude of the frictional force between the braking disk 21 and the deflector wheel 5. It is possible to adjust the braking force to the deflector 5 by the control disc 21.
- the brake device 13 is provided on the deflector 5 that directly receives the weight of the force 9 and the counterweight 10, by braking the deflector 5, the force 9 and the counterweight 10 are reduced. You can brake more effectively.
- the brake device 13 operates only when the speed of the force 9 becomes abnormal. However, it may start to work. In this way, for example, when passengers get on and off the car 9, it is possible to prevent the force and the car 9 from greatly rising or falling.
- the operation signal from the control device is output to the brake device 13 when the force 9 is normally stopped on each floor. Is done. Further, immediately before the force 9 starts to move, the output of the operation signal from the control device is stopped, and the operation of the brake device 13 is restored. Even when the plunger 29 is in contact with the brake disc 21 and the plunger 29 is not completely inserted into the engagement hole 27, the plunger 29 moves up and down (up and down) of the car 9 due to the passenger getting on and off the car 9. It will be inserted into the engagement hole 27 by shaking.
- the main rope 8 is applied to the drive sheave 7 and the deflector 5 by the full wrap roving method.
- the main rope 8 is only applied once to the drive sheave 7 and the deflector 5 respectively.
- the main rope 8 may be hung on the driving sheave 7 and the diverting car 5 by a half-wrap roving method.
- the shape of each of the drive sheave 7 and the deflecting wheel 5 is changed, and each groove portion of the driving sheave 7 and the deflecting wheel 5 is changed to a V groove or It is considered as an undercut groove.
- the brake device 13 is configured to brake the sled wheel 5.
- a car suspension car that is a sheave is a force car 9
- a counterweight suspension car that is a sheave are installed on the counterweight 10 and the main rope 8 is hung on the car suspension and the counterweight suspension car so that the force 9 and the counterweight 10 are suspended by the main rope 8.
- the brake device 13 may be provided in at least one of the car suspension car and the counterweight suspension car.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Braking Arrangements (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04771880A EP1795485A4 (en) | 2004-08-19 | 2004-08-19 | BRAKE DEVICE FOR ELEVATOR |
US10/582,767 US7428951B2 (en) | 2004-08-19 | 2004-08-19 | Brake device for elevator |
CN2004800401092A CN1902122B (zh) | 2004-08-19 | 2004-08-19 | 电梯的制动装置 |
JP2006531127A JPWO2006018884A1 (ja) | 2004-08-19 | 2004-08-19 | エレベータのブレーキ装置 |
PCT/JP2004/011919 WO2006018884A1 (ja) | 2004-08-19 | 2004-08-19 | エレベータのブレーキ装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/011919 WO2006018884A1 (ja) | 2004-08-19 | 2004-08-19 | エレベータのブレーキ装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006018884A1 true WO2006018884A1 (ja) | 2006-02-23 |
Family
ID=35907281
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/011919 WO2006018884A1 (ja) | 2004-08-19 | 2004-08-19 | エレベータのブレーキ装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7428951B2 (ja) |
EP (1) | EP1795485A4 (ja) |
JP (1) | JPWO2006018884A1 (ja) |
CN (1) | CN1902122B (ja) |
WO (1) | WO2006018884A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009007138A (ja) * | 2007-06-29 | 2009-01-15 | Mitsubishi Electric Corp | エレベータの綱車装置 |
EP3656725B1 (en) * | 2018-11-26 | 2023-11-22 | Otis Elevator Company | Fail safe bar for clutch type brake adjustment |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2379657T3 (es) * | 2004-05-28 | 2012-04-30 | Mitsubishi Denki Kabushiki Kaisha | Detector de deslizamiento de cuerda de elevador y sistema elevador |
BRPI0415924A (pt) * | 2004-05-28 | 2007-01-02 | Mitsubishi Electric Corp | dispositivo de detecção de deslizamento do cabo do elevador, e, aparelho elevador |
FI125327B (fi) | 2009-01-12 | 2015-08-31 | Kone Corp | Hissikorin liikkeen estävällä lukituslaitteella varustettu hissi ja hissikorin liikkeen estävä lukituslaite |
CN102774776B (zh) * | 2012-08-06 | 2014-10-29 | 吴江信谊精密五金有限公司 | 电梯曳引轮制动锁钩 |
CN102774772A (zh) * | 2012-08-06 | 2012-11-14 | 吴江信谊精密五金有限公司 | 一种电梯曳引轮制动装置 |
CN102774773A (zh) * | 2012-08-06 | 2012-11-14 | 吴江信谊精密五金有限公司 | 一种电梯曳引轮制动装置 |
CN102774771B (zh) * | 2012-08-06 | 2014-10-29 | 吴江信谊精密五金有限公司 | 一种电磁控制的曳引轮制动器 |
WO2014049387A1 (en) * | 2012-09-25 | 2014-04-03 | Otis Elevator Company | Compensatory measure for low overhead or low pit elevator |
US10618775B2 (en) | 2016-11-18 | 2020-04-14 | Otis Elevator Company | Retrofitting an elevator machine with primary and secondary braking |
US10737908B2 (en) | 2016-11-22 | 2020-08-11 | Otis Elevator Company | Method and kit for retrofitting elevator machines with thrust bearing, and retrofitted elevator machine |
CN106744450A (zh) * | 2016-12-30 | 2017-05-31 | 苏州沃诺斯精密机械有限公司 | 一种电梯曳引轮制动装置 |
WO2018216145A1 (ja) * | 2017-05-24 | 2018-11-29 | 三菱電機株式会社 | エレベータ用巻上機 |
CN109768665B (zh) * | 2018-12-29 | 2020-03-27 | 深圳市优必选科技有限公司 | 一种刹车结构及舵机 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02106590A (ja) * | 1988-10-14 | 1990-04-18 | Mitsubishi Electric Corp | エレベータ装置 |
JPH05147890A (ja) * | 1991-11-28 | 1993-06-15 | Toshiba Corp | エレベータ用巻上機 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3610342A (en) * | 1969-12-18 | 1971-10-05 | Otis Elevator Co | Load weighing apparatus for elevators |
JPS603784U (ja) * | 1983-06-22 | 1985-01-11 | 三菱電機株式会社 | エレベ−タ用巻上機 |
US4923055A (en) * | 1989-01-24 | 1990-05-08 | Delaware Capital Formation, Inc. | Safety mechanism for preventing unintended motion in traction elevators |
DE8904375U1 (de) * | 1989-04-07 | 1989-07-27 | TÜV Bayern e.V., 8000 München | Vorrichtung zum Erfassen von physikalischen Kenngrößen eines Aufzugs |
DE3911391C5 (de) * | 1989-04-07 | 2010-04-29 | TÜV SÜD Industrie Service GmbH | Verfahren und Vorrichtung zum Überprüfen der Treibfähigkeit |
JPH0768989B2 (ja) * | 1989-10-13 | 1995-07-26 | 三菱電機株式会社 | エレベータの捲上げ装置用ブレーキ装置 |
US5145035A (en) * | 1991-04-15 | 1992-09-08 | Otis Elevator Company | Elevator disc brake |
US5202539A (en) * | 1991-08-28 | 1993-04-13 | Inventio Ag | Emergency brake apparatus for an elevator |
US5228540A (en) | 1992-07-24 | 1993-07-20 | Hollister-Whitney Elevator Corp. | Elevator car brake with shoes actuated by springs |
US5669469A (en) * | 1995-04-03 | 1997-09-23 | Otis Elevator Company | Integrated elevator drive machine and brake assembly |
EP0796814B1 (en) * | 1996-03-22 | 2004-09-22 | Sanyo Kogyo Co., Ltd. | Brake for hoist gear |
FI106255B (fi) * | 1998-12-23 | 2000-12-29 | Kone Corp | Vetopyörähissin pitojarru |
JP2001355659A (ja) * | 2000-04-27 | 2001-12-26 | Inventio Ag | エレベーター駆動装置用ディスクブレーキ |
CA2472036A1 (en) * | 2002-01-12 | 2003-07-31 | Otis Elevator Company | Elevator brake |
US20060151254A1 (en) * | 2002-01-12 | 2006-07-13 | Jose Sevilleja-Perez | Elevator brake |
US7104367B2 (en) * | 2003-05-30 | 2006-09-12 | Warner Electric Europe S.A.S. | Modular and adaptable brake system for an elevator sheave |
-
2004
- 2004-08-19 US US10/582,767 patent/US7428951B2/en not_active Expired - Fee Related
- 2004-08-19 EP EP04771880A patent/EP1795485A4/en not_active Withdrawn
- 2004-08-19 WO PCT/JP2004/011919 patent/WO2006018884A1/ja not_active Application Discontinuation
- 2004-08-19 JP JP2006531127A patent/JPWO2006018884A1/ja active Pending
- 2004-08-19 CN CN2004800401092A patent/CN1902122B/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02106590A (ja) * | 1988-10-14 | 1990-04-18 | Mitsubishi Electric Corp | エレベータ装置 |
JPH05147890A (ja) * | 1991-11-28 | 1993-06-15 | Toshiba Corp | エレベータ用巻上機 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1795485A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009007138A (ja) * | 2007-06-29 | 2009-01-15 | Mitsubishi Electric Corp | エレベータの綱車装置 |
EP3656725B1 (en) * | 2018-11-26 | 2023-11-22 | Otis Elevator Company | Fail safe bar for clutch type brake adjustment |
Also Published As
Publication number | Publication date |
---|---|
US7428951B2 (en) | 2008-09-30 |
CN1902122B (zh) | 2012-04-04 |
EP1795485A4 (en) | 2011-07-27 |
EP1795485A1 (en) | 2007-06-13 |
JPWO2006018884A1 (ja) | 2008-05-01 |
US20070170004A1 (en) | 2007-07-26 |
CN1902122A (zh) | 2007-01-24 |
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