WO2004024611A1 - エレベータ巻上機のブレーキ装置 - Google Patents
エレベータ巻上機のブレーキ装置 Download PDFInfo
- Publication number
- WO2004024611A1 WO2004024611A1 PCT/JP2002/009356 JP0209356W WO2004024611A1 WO 2004024611 A1 WO2004024611 A1 WO 2004024611A1 JP 0209356 W JP0209356 W JP 0209356W WO 2004024611 A1 WO2004024611 A1 WO 2004024611A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- brake
- braking
- brake arm
- spherical seat
- pressing
- Prior art date
Links
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/08—Driving gear ; Details thereof, e.g. seals with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
-
- 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
- B66D5/06—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with radial effect
- B66D5/08—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with radial effect embodying blocks or shoes
Definitions
- the present invention relates to a brake device for an elevator machine provided on an elevator machine for braking the rotation of a rotating section.
- a braking surface is provided on the inner periphery of a cylindrical rotating portion.
- a movable brake arm is arranged inside the rotating part.
- the brake arm is equipped with a braking piece that comes into contact with and separates from the braking surface by swinging of the brake arm. Further, the brake arm is urged by a braking spring in a direction in which the braking piece contacts the braking surface.
- An electromagnetic magnet is arranged inside the rotating part.
- An armature sucked by an electromagnetic magnet is connected to the brake arm via a connection bin.
- the braking piece is pressed against the braking surface by the braking spring, and the rotation of the rotating part is frictionally braked.
- the armature is attracted to the electromagnetic magnet, the braking piece is separated from the braking surface against the braking spring, and the braking is released.
- An object of the present invention is to provide a brake device for an elevator hoisting machine capable of realizing a stable suction operation while reducing labor for setting and reducing the strength of a brake arm.
- a brake device for an electric hoisting machine includes: a cylindrical rotating portion having a braking surface on an inner periphery; a support portion fixed to a fixed portion of the electric hoisting machine; A brake arranged inside the rotating part and swingably supported by the support part, a brake piece mounted on the brake arm and brought into contact with and separated from the braking surface by the swing of the brake arm, and a brake Pressing and suctioning to release the braking of the rotating part by pressing the brake piece against the braking surface via the arm to brake the rotation of the rotating part and sucking the brake arm so that the braking piece separates from the braking surface Means, a first spherical seat is interposed between the brake arm and the braking piece, and a second spherical seat is interposed between the brake arm and the pressing and suction means, When braking, The braking piece is pressed against the braking surface at the center thereof via the first and second spherical seats.
- FIG. 1 is a front view, partially in section, of a brake device of an elevator machine according to Embodiment 1 of the present invention.
- FIG. 2 is a right side view showing the mounting structure of the braking piece of FIG. 1,
- FIG. 3 is a sectional view taken along the line I I I—II I I in FIG.
- FIG. 4 is a front view showing a brake device of the elevator machine according to Embodiment 2 of the present invention in a partial cross section
- FIG. 5 is a right side view showing the mounting structure of the braking piece of FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a front view, partially in section, showing a brake device of an elevator machine according to Embodiment 1 of the present invention.
- a cylindrical brake drum 1 is a rotating part. Is rotated by the driving force of the motor of the elevator.
- the brake drum 1 is rotated together with a drive sheave (not shown) around which a main rope of the elevator is wound.
- a braking surface 1 a is provided on the inner periphery of the brake drum 1.
- a frame 2 Inside the brake drum 1, there is arranged a frame 2 as a support portion fixed to a fixed portion of the elevator machine.
- An arc-shaped brake arm 3 is supported on the frame 2 so as to be swingable about a pin 4.
- the brake arm 3 is disposed inside the brake drum 1 so as to face the braking surface 1a.
- the pin 4 is provided at a base end of the brake arm 3.
- a braking piece receiving recess 3a On the surface of the brake arm 3 opposite to the braking surface 1a, a braking piece receiving recess 3a is provided. Further, a screw hole 3 b extending in the radial direction of the brake drum 1 and penetrating the brake arm 3 is provided at the bottom of the braking piece receiving recess 3 a.
- a brake piece 5 is mounted near the tip of the brake arm 3.
- the braking piece 5 is disposed in the braking piece housing recess 3a. Further, the braking piece 5 is moved toward and away from the braking surface 1a by the swing of the brake arm 3.
- a first spherical seat 6 is interposed between the brake arm 3 and the braking piece 5.
- the first spherical seat 6 is disposed coaxially with the screw hole 3b.
- a first spherical concave portion 5 a to be joined to the first spherical seat 6 is formed at the center of the surface of the braking piece 5 opposite to the surface in contact with the braking surface 1 a.
- One end of a stroke adjusting screw 7 is screwed into the screw hole 3 b from the side opposite to the first spherical seat 6.
- a second spherical seat 8 is formed on the other end of the stroke adjusting screw 7.
- a lock nut 9 for fixing the tightening amount of the stroke adjusting screw 7 into the screw hole 3b is screwed into an intermediate portion of the stroke adjusting screw 7.
- a disk-shaped armature 10 is connected to the other end of the stroke adjusting screw 7.
- a receiving seat 11 is interposed between the armature 10 and the second spherical seat 8. The receiving seat 11 has a second spherical recess 1 la joined to the second spherical seat 8.
- the armature 10 is provided with a plurality of leaf springs 12 for spherical seats that press the second spherical seat 8 against the receiving seat 11. ′
- An electromagnetic magnet 13 facing the armature 10 is fixed to the frame 2. Between the electromagnetic magnet 13 and the armature 10, a braking piece 5
- the braking piece 5 is controlled by a braking spring 14 via the armature 10, the seat 11, the second spherical seat 8, the stroke adjusting screw 7, the brake arm 3 and the first spherical seat 6. Pressed to 1 a. Further, when the electromagnetic magnet 13 is excited, the armature 10 is attracted to the electromagnetic magnet 13 against the braking spring 14 and the braking piece 5 is separated from the braking surface 1a.
- the pressing and suction means 15 in the first embodiment has an armature 10, an electromagnetic magnet 13, and a braking spring 14.
- the first spherical seat 6 is arranged in the direction in which the pressing / suction means 15 presses the second spherical seat 8 with respect to the second spherical seat 8. That is, the first and second spherical seats 6 and 8 are arranged on a straight line extending along the resultant vector of the pressing force of the braking spring 14.
- FIG. 2 is a right side view showing the mounting structure of the braking piece 5 of FIG. 1
- FIG. 3 is a cross-sectional view along the line III-III of FIG.
- the braking piece 5 is mounted on the brake arm 3 by being pressed against the first spherical seat 6 by a pair of braking piece springs 16. Further, the braking piece 5 is pressed toward the center of the first spherical seat 6 by the braking piece leaf spring 16.
- the brake piece leaf spring 16 is attached to the brake 3 by a plurality of bolts 17.
- the armature 1 ⁇ is attracted to the electromagnetic magnet 13 against the braking spring 14 and displaced, and the braking piece 5 is separated from the braking surface 1a.
- the braking of the brake drum 1 is released, and the brake drum 1 is rotated together with the drive ship by the driving force of the motor.
- the operating stroke of the braking piece 5 is adjusted by loosening the lock nut 9 and adjusting the amount of the stroke adjusting screw 7 screwed into the screw hole 3b. That is, by tightening the stroke adjusting screw 7 and displacing it toward the braking piece 5, the gap between the armature 10 and the electromagnetic magnet 13 during braking increases, and The movement stroke of the piece 5 also becomes large. Conversely, loosening the stroke adjusting screw 7 and displacing it toward the electromagnetic magnet 13 reduces the gear gap between the armature 10 and the electromagnetic magnet 13 during braking, and The operating stroke also becomes smaller.
- the first spherical seat 6 is disposed in the direction in which the pressing / suction means 15 presses the second spherical seat 8 with respect to the second spherical seat 8, the bending moment is applied to the brake arm 3. Does not act, the strength of the brake arm 3 can be reduced, and the brake arm 3 can be made thinner.
- the armature 10 is moved from the armature 10 to the second spherical seat 8 during opening operation.
- the seat 11 does not separate and the opening operation can be stabilized.
- the brake arm 3 can be pulled during the release operation.
- the brake piece 5 is mounted on the brake arm 3 by being pressed against the first spherical seat 6 by the brake piece leaf spring 16, it is only necessary to remove the brake piece leaf spring 16.
- the brake piece 5 can be easily removed and replaced. Therefore, even if the brake device is mounted in a narrow space in the brake drum 1, maintainability can be improved.
- FIG. 4 shows a brake device of an elevator machine according to a second embodiment of the present invention.
- FIG. 5 is a right side view showing the mounting structure of the braking piece of FIG.
- a fixed rod 21 is fixed to the armature 10 so as to penetrate a tip end which is an end opposite to the pin 4 (fulcrum) with respect to the brake piece 3 of the brake arm 3.
- a spring receiver 21 a is provided at the tip of the fixed load 21.
- a first gas spring (coil spring) 22 that presses the brake arm 3 and urges it toward the suction means 15 is provided. Have been.
- the brake arm 3 is pressed between the vicinity of the bin 4 of the play arm 3 (the pin 4 side of the braking piece 5) and the armature 10 in a direction to push the brake arm 3 away from the suction means 15.
- a plurality of second anti-gauge springs 23 are provided. These springs 23 are equally distributed in the axial direction of the pin 4 with respect to the axial center of the pin 4 and are within the axial length of the pin 4. Are located.
- the brake arm 3 is pressed by the first gas prevention spring 22 and is urged to the suction means 15 side, the pin 4 and the brake arm 3 and the frame 2 Even if there is a gap between them due to a manufacturing error or the like, the bin 4 is always pressed in a certain direction. Therefore, it is possible to prevent the operation of the brake arm 3 from becoming uneven, and to stabilize the operation of the brake arm 3.
- the spherical seat leaf spring 1 2 shown in the first embodiment is used. Can be omitted.
- a second gas prevention spring 2 3 for urging the brake arm 3 in a direction to press and separate from the suction means 15. are arranged, so that even if a disturbance of torsional force as shown by arrow A in FIG. 5 acts on the brake arm 3, the operation of the brake arm 3 is prevented from becoming unstable, and the brake arm 3 Operation can be stabilized.
- the first anti-gauge spring 22 is provided between the armature 10 and the brake arm 3, but may be provided between the electromagnetic magnet 13 and the brake arm 3. Good.
- the second anti-gauge spring 23 is provided between the armature 10 and the brake arm 3, but may be provided between the electromagnetic magnet 13 and the brake arm 3. Good.
- the first and second gas prevention springs 22 and 23 are provided, but the second gas prevention spring 23 is omitted and only the first gas prevention spring 22 is provided.
- the first gas prevention spring 22 may be omitted and only the second gas prevention spring 23 may be provided.
- the second spherical seat 8 needs to be pressed against the pressing and suction means 15 by the spherical seat leaf spring 12 or the like described in the first embodiment.
- FIGS. 1 and 4 only one brake device is shown in FIGS. 1 and 4, but two brake devices may be arranged symmetrically in the brake drum. Also, three or more brake devices can be arranged in the brake drum.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Braking Arrangements (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020047007044A KR100623168B1 (ko) | 2002-09-12 | 2002-09-12 | 엘리베이터 권양기의 브레이크 장치 |
EP02765508A EP1538123B1 (en) | 2002-09-12 | 2002-09-12 | Brake device of elevator hoist |
JP2004535842A JP4279780B2 (ja) | 2002-09-12 | 2002-09-12 | エレベータ巻上機のブレーキ装置 |
PCT/JP2002/009356 WO2004024611A1 (ja) | 2002-09-12 | 2002-09-12 | エレベータ巻上機のブレーキ装置 |
DE60235654T DE60235654D1 (de) | 2002-09-12 | 2002-09-12 | Bremsvorrichtung für aufzugshebezeug |
CNB028194403A CN1289381C (zh) | 2002-09-12 | 2002-09-12 | 电梯卷扬机的制动装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2002/009356 WO2004024611A1 (ja) | 2002-09-12 | 2002-09-12 | エレベータ巻上機のブレーキ装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004024611A1 true WO2004024611A1 (ja) | 2004-03-25 |
Family
ID=31986094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/009356 WO2004024611A1 (ja) | 2002-09-12 | 2002-09-12 | エレベータ巻上機のブレーキ装置 |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1538123B1 (ja) |
JP (1) | JP4279780B2 (ja) |
KR (1) | KR100623168B1 (ja) |
CN (1) | CN1289381C (ja) |
DE (1) | DE60235654D1 (ja) |
WO (1) | WO2004024611A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009044450A1 (ja) * | 2007-10-02 | 2009-04-09 | Mitsubishi Electric Corporation | エレベータ用巻上機及びブレーキ装置 |
WO2009147708A1 (ja) * | 2008-06-02 | 2009-12-10 | 三菱電機株式会社 | エレベータ用巻上機のブレーキ装置 |
CN101823661A (zh) * | 2010-03-17 | 2010-09-08 | 郭自刚 | 刹车抱闸具有机械缓冲装置的电梯曳引机 |
WO2018193494A1 (ja) * | 2017-04-17 | 2018-10-25 | 三菱電機株式会社 | エレベータの巻上機ブレーキ及びエレベータ巻上機 |
JP7031039B1 (ja) * | 2021-04-20 | 2022-03-07 | 三菱電機株式会社 | ブレーキ装置及びエレベータ用巻上機 |
JP7191261B1 (ja) * | 2022-04-15 | 2022-12-16 | 三菱電機株式会社 | エレベータ巻上機のブレーキ装置 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1916435B (zh) * | 2005-08-17 | 2010-12-08 | 三阳工业株式会社 | 制动装置 |
CN105090295B (zh) * | 2014-05-19 | 2018-07-06 | 三菱电机株式会社 | 电磁制动装置及使用该电磁制动装置的电梯装置 |
CN104196925A (zh) * | 2014-09-24 | 2014-12-10 | 安徽贵达汽车部件有限公司 | 一种车辆用刹车蹄铁 |
KR101564880B1 (ko) | 2015-05-14 | 2015-10-30 | 이창근 | 엘리베이터용 착상 레벨 유지장치 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52133473A (en) * | 1976-04-30 | 1977-11-08 | Mitsubishi Electric Corp | Brake drum device |
JP2000289954A (ja) * | 1999-04-05 | 2000-10-17 | Mitsubishi Electric Corp | エレベーター用巻上機 |
JP2002106611A (ja) * | 2000-09-28 | 2002-04-10 | Sanyo Kogyo Kk | ブレーキ装置 |
JP2002242961A (ja) * | 2001-02-15 | 2002-08-28 | Sanyo Kogyo Kk | ブレーキ装置 |
JP2003021179A (ja) * | 2001-05-02 | 2003-01-24 | Mitsubishi Electric Corp | 制動方法及び制動装置 |
-
2002
- 2002-09-12 JP JP2004535842A patent/JP4279780B2/ja not_active Expired - Fee Related
- 2002-09-12 EP EP02765508A patent/EP1538123B1/en not_active Expired - Fee Related
- 2002-09-12 DE DE60235654T patent/DE60235654D1/de not_active Expired - Lifetime
- 2002-09-12 CN CNB028194403A patent/CN1289381C/zh not_active Expired - Fee Related
- 2002-09-12 KR KR1020047007044A patent/KR100623168B1/ko active IP Right Grant
- 2002-09-12 WO PCT/JP2002/009356 patent/WO2004024611A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52133473A (en) * | 1976-04-30 | 1977-11-08 | Mitsubishi Electric Corp | Brake drum device |
JP2000289954A (ja) * | 1999-04-05 | 2000-10-17 | Mitsubishi Electric Corp | エレベーター用巻上機 |
JP2002106611A (ja) * | 2000-09-28 | 2002-04-10 | Sanyo Kogyo Kk | ブレーキ装置 |
JP2002242961A (ja) * | 2001-02-15 | 2002-08-28 | Sanyo Kogyo Kk | ブレーキ装置 |
JP2003021179A (ja) * | 2001-05-02 | 2003-01-24 | Mitsubishi Electric Corp | 制動方法及び制動装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1538123A4 * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009044450A1 (ja) * | 2007-10-02 | 2009-04-09 | Mitsubishi Electric Corporation | エレベータ用巻上機及びブレーキ装置 |
WO2009147708A1 (ja) * | 2008-06-02 | 2009-12-10 | 三菱電機株式会社 | エレベータ用巻上機のブレーキ装置 |
CN101977836A (zh) * | 2008-06-02 | 2011-02-16 | 三菱电机株式会社 | 电梯用曳引机的制动装置 |
CN101823661A (zh) * | 2010-03-17 | 2010-09-08 | 郭自刚 | 刹车抱闸具有机械缓冲装置的电梯曳引机 |
CN101823661B (zh) * | 2010-03-17 | 2011-11-30 | 郭自刚 | 刹车抱闸具有机械缓冲装置的电梯曳引机 |
WO2018193494A1 (ja) * | 2017-04-17 | 2018-10-25 | 三菱電機株式会社 | エレベータの巻上機ブレーキ及びエレベータ巻上機 |
JP7031039B1 (ja) * | 2021-04-20 | 2022-03-07 | 三菱電機株式会社 | ブレーキ装置及びエレベータ用巻上機 |
JP7191261B1 (ja) * | 2022-04-15 | 2022-12-16 | 三菱電機株式会社 | エレベータ巻上機のブレーキ装置 |
Also Published As
Publication number | Publication date |
---|---|
CN1289381C (zh) | 2006-12-13 |
JPWO2004024611A1 (ja) | 2006-01-05 |
JP4279780B2 (ja) | 2009-06-17 |
KR100623168B1 (ko) | 2006-09-19 |
EP1538123A1 (en) | 2005-06-08 |
EP1538123B1 (en) | 2010-03-10 |
CN1561309A (zh) | 2005-01-05 |
DE60235654D1 (de) | 2010-04-22 |
KR20040083055A (ko) | 2004-09-30 |
EP1538123A4 (en) | 2008-12-17 |
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