WO2004067428A1 - エレベータ装置 - Google Patents
エレベータ装置 Download PDFInfo
- Publication number
- WO2004067428A1 WO2004067428A1 PCT/JP2003/000775 JP0300775W WO2004067428A1 WO 2004067428 A1 WO2004067428 A1 WO 2004067428A1 JP 0300775 W JP0300775 W JP 0300775W WO 2004067428 A1 WO2004067428 A1 WO 2004067428A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- brake
- release lever
- brake release
- elevator
- counterweight
- 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
- 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
-
- 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
-
- 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
- B66B11/0035—Arrangement of driving gear, e.g. location or support
- B66B11/0045—Arrangement of driving gear, e.g. location or support in the hoistway
- B66B11/0055—Arrangement of driving gear, e.g. location or support in the hoistway on the counterweight
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/12—Counterpoises
Definitions
- the present invention relates to an elevator system in which a winding machine is mounted on an elevator car or a counterweight.
- Japanese Unexamined Patent Publication No. Hei 5-1 4 7 8 5 discloses that a brake device for braking an elevator car or a counterweight is installed by sandwiching guide rails corresponding to an elevator car or a counterweight.
- a method has been developed in which a pair of pulleys provided on the upper and lower parts of the hoistway are used to open a ring that is stretched annularly, and the lever is operated to release the guide rail. It is shown.
- this type of brake device has a mouth engaged with the lever.
- the elevator car when the elevator car is equipped with this brake device, if the elevator car is heavier than the counterweight depending on the number of passengers in the car, the lever As soon as the first operation is performed, the elevator car with the guide rail clamp released starts to descend. In other words, the elevator moved in the direction in which force was applied to the lever, so that the brake could not be released normally by the lever. In other words, depending on the increase or decrease in the number of passengers in the car, it was sometimes difficult to release the braking of the brake system properly.
- the elevator in the elevator where the brake device is mounted together with the hoist on the elevator car or the counterweight, the elevator stops between floors of the landing due to a failure, and the opening and closing of the brake device is performed. Allows maintenance personnel to mechanically release brakes from the ground and rescues passengers by moving the elevator car to the nearest floor if electrical control becomes impossible The purpose is to do.
- the elevator apparatus of the present invention includes an elevator car that moves up and down the hoistway, and a counterweight that moves up and down in the hoistway in the opposite direction. It is equipped with a crab hoist. A main cable for suspending the elevator car and counterweight is wound around the drive sheave of the hoist.
- the hoisting machine is provided with a brake device that brakes the hoisting machine by a braking panel and releases braking of the hoisting machine against the braking panel by an excited electromagnet.
- the hoist is provided with a brake release mechanism that mechanically releases the braking of the brake device against the brake panel.
- the brake release mechanism includes a brake release lever for retracting the brake panel and releasing the braking of the brake device, and an elevator car or counterweight. And a control rope for operating a brake release lever, which is wound around a pair of pulleys disposed above and below the ascending / descending section, respectively, and is stretched annularly between these pulleys. The lever and the operation rope are connected by connecting means.
- the brake release mechanism is composed of the following two sets of first and second brake release mechanisms.
- a first brake release mechanism that includes a first pair of pulleys, a first operation rope, and a first brake release lever, wherein the operation rope is pulled upward to release braking of the brake device;
- a second brake release mechanism that has a pair of pulleys, a second operation rope, and a second brake release lever, and the operation port is pulled down to release the braking of the brake device.
- the maintenance staff can use the brake release mechanism from the ground. Mechanically release the brakes and move the elevator car to the nearest floor to rescue the passengers.
- the brake release mechanism is selected according to the riding situation, and more stable The opening operation of the brake device can be performed easily and reliably.
- FIG. 1 is a diagram showing an arrangement example of an elevator apparatus according to Embodiment 1 of the present invention.
- FIG. 2 is a diagram for explaining a configuration of a brake device and a brake release mechanism of a hoist mounted on a counterweight according to Embodiment 1 of the present invention.
- FIG. 3 is an elevational view for explaining the operation of opening and closing the brake device according to the first embodiment of the present invention. '
- FIG. 4 is an elevation view for explaining the operation of the first brake release mechanism according to the first embodiment of the present invention.
- FIG. 5 is an elevation view for explaining the operation of the second brake release mechanism according to the first embodiment of the present invention.
- FIG. 6 is an elevational view for explaining a configuration of a brake release mechanism of a brake device according to Embodiment 2 of the present invention.
- FIGS. 1A and 1B are diagrams showing an arrangement example of an elevator apparatus according to Embodiment 1 of the present invention, wherein FIG. 1A is an elevation view of the elevator apparatus viewed from a horizontal direction, and FIG. It is the top view which looked down at the night apparatus from the upper part.
- the overall configuration of the elevator apparatus according to the first embodiment will be described with reference to FIG.
- a pair of guide rails 2 for the elevator and a pair of other guide rails 3 for the counterweight are respectively installed.
- the elevator car 4 is guided by the car guide rail 2 and moves up and down in the hoistway 1.
- the counterweight 10 is guided by the counterweight guide rail 3 and moves in the hoistway 1 in the opposite direction to the car 4. Go up and down.
- An entrance door 4a is installed in front of the car 4 in the elevator 4 and a landing door '5 is installed on the landing side opposite the entrance door 4a.
- the counterweight 10 is arranged between the back of the car 4 and the wall of the hoistway 1.
- the hoist 11 is mounted on the counterweight 10.
- the hoisting machine 11 is provided with a brake device 20 for opening and closing braking of the hoisting machine 11.
- the main rope 6 for suspending the elevator 4 and the counterweight 10 is fixed at both ends to the upper part of the hoistway 1.
- One end of the main rope 6 starts from the upper part of the hoistway 1.
- it is sequentially wound around a pair of car suspension wheels 7 provided below the elevator 4 and reaches a direction change pulley 8 installed above the hoistway 1.
- the hoisting machine mounted on the counterweight 10 It is wound around the drive sheave 12 of 11, rises again, and the other end of the main rope 6 is fixed to the upper part of the hoistway 1.
- the brake release mechanism used in the first embodiment is composed of first and second two sets of brake release mechanisms.
- the first brake release mechanism 30 includes a first brake release lever 31 for mechanically releasing the braking of the brake device 20, and a pair of brake weights 10 disposed above and below the lifting / lowering section of the counterweight 10.
- the second brake release mechanism 40 has a second brake release lever 41, a second pulley 42, and a second operation rope 43.
- FIG. 2 is a diagram for explaining the configuration of a brake device and a brake release mechanism of a hoist mounted on a counterweight according to Embodiment 1 of the present invention.
- (B) is a cross-sectional view of the brake device taken along line C-C.
- a counterweight 10 on which a hoist 11 is mounted has an outer shape constituted by a frame 14, and a counterweight 15 for a counterweight is mounted in a lower portion of the frame 14.
- the hoisting machine 11 includes a drive sheave 12 around which a main rope 6 is wound, and an electric motor 13 which rotationally drives the drive sheave 12.
- the brake device 20 is configured as a part of the hoist 11, and the brake drum 21 is arranged on the same rotation axis as the drive sheave 12 of the hoist 11.
- a pair of brake shoes 22 are provided facing the circumferential surface of the brake drum 21, and each of the brake shoes 22 is fixed to the brake arm 23.
- the brake arm 23 receives the force of the braking spring 24 provided between the counterweight 10 and the side of the frame body 14 of the counterweight 10, and presses the brake shoe 22 against the brake drum 21 to apply the brake drum. 2 Stop the rotation of 1.
- One end of the brake arm 23 is attached to the frame 14 of the counterweight 10 via the brake arm pin 23a, and rotates around the brake arm pin 23a.
- a port 25 is attached to the other end of the brake arm 23, and is engaged with the brake lever 26 via the port 25.
- the brake lever 26 rotates about the brake lever pin 26a.
- an electromagnet for driving the brake device 20 is housed in an electromagnet housing 27 provided above the frame 14 of the counterweight 10.
- the plunger 28 is used as a pushing body driven by the excited electromagnet.
- a plunger head 28 a at the tip of the plunger 28 is in contact with the brake lever 26.
- the first brake release lever 31 is formed in a longitudinal shape, and a first release lever hole 35 penetrated at one end is provided.
- a plunger 28 is inserted through the first open reper hole 35.
- the diameter of the plunger head 28 a is larger than that of a portion of the plunger 28 that is passed through the first brake release lever 31. Therefore, the plunger head 28a and one end of the first brake release lever 31 can be engaged.
- this engagement portion of the first brake release lever 31 is referred to as a first release lever engagement portion 34.
- the first brake release lever 31 uses a part of the electromagnet housing 27 adjacent to the first release lever engagement portion 34 as a fulcrum base 29, and uses the first brake release lever. One fulcrum is supported by a fulcrum base 29.
- the other end of the first brake release lever 31 is connected to the first operation rope 33 using connection means.
- the first embodiment shows an example in which the first brake release lever 31 is always fixed to the first operation rope 33.
- the second brake release lever 41 is formed in a longitudinal shape, and the intermediate portion is formed in a mouth shape surrounding the plunger head 28a.
- One end of the second brake release lever 41 uses the fulcrum base 29 of the electromagnet housing 27 as a fulcrum, similar to the first brake release lever 31. Is in contact with the fulcrum base 29.
- the intermediate portion of the second brake release lever 41 has a second release lever engagement portion 44 between the plunger head 28a and the second release lever on the plunger head 28a. It is pivotally connected via a pin 45.
- the other end of the second brake release lever 41 is connected to the second operation rope 43 using connecting means. Have been.
- FIG. 3 is an elevational view for explaining opening and closing operations of the brake device according to the first embodiment of the present invention.
- the brake arm as shown in FIG. 23 receives the force of the brake panel 24 and presses the brake shoe 22 against the brake drum 21 to stop the rotation of the brake drum 21.
- the elevator 4 is normally held up and down by opening the brake device 20 as described below.
- the plunger 28 is pushed downward by exciting the electromagnet in the electromagnet housing 27.
- the brake lever 26 in contact with the plunger head 28 a is pushed by the plunger head 28 a and rotates about the brake lever pin 26 a, and the force of the plunger 28 is amplified.
- the brake arm 23 rotates around the brake arm pin 23a against the braking spring 23, and separates the brake shoe 22 from the brake drum 21 to release the braking of the brake device 20.
- the first brake release lever 31 and the second brake release lever 41 are the same as when the counterweight 10 is raised and lowered. It is going up and down in anticipation. Therefore, the operating ropes 33, 43 and the pulleys 32, 42, which are always fixed to the levers 31, 41, move in synchronization with the elevation of the levers 31, 41.
- FIG. 4 is an elevation view for explaining the operation of the first brake release mechanism according to the first embodiment of the present invention.
- the force of the plunger 28 is transmitted from the brake lever 26 to the brake arm 23, and is opposed to the brake panel 24.
- the first operation rope 33 is pulled to fix the first brake release lever 31 and the counterweight 10.
- the string 17 is cut, and the operation of the first brake release lever 31 is enabled.
- FIG. 5 is an elevation view for explaining the operation of the second brake release mechanism according to the first embodiment of the present invention.
- the second operating rope 43 is pulled downward by pulling the mouthpiece on the side where the second brake release lever 41 is fixed.
- the second brake release lever 41 is operated to release the brake device 20.
- the connection portion of the second brake release lever 41 with the second operation rope 43 is pulled.
- the second pulley 42 rotates in the direction of the arrow in FIG.
- the second brake release lever 41 rotates with the tip of the second brake release lever 41 abutting on the fulcrum base 29 of the electromagnet housing 27 as a fulcrum.
- Lever engagement part 44 pushes plunger head 28 a downward.
- the counterweight 10 Normally, due to the weight imbalance between the counterweight 10 and the elevator car 4 due to the change in the number of passengers getting into and out of the elevator car 4, the counterweight 10 becomes the elevator car 4. There are cases where the weight is heavier, and conversely, the counterweight 10 is lighter than the elevator 4. Therefore, when the braking device 20 is released from braking, the counterweight 10 may move upward or downward depending on the number of passengers.
- the first brake release lever 31 is used when the counterweight 10 is heavier than the elevator car 4, that is, when the brake device 20 is released, the counterweight 10 moves downward. This is the case when it moves.
- the fulcrum of the lever 31 is supported.
- the fulcrum base 29 receives an upward force against the force of the lever 31 pressing the plunger head 28a. Therefore, when the counterweight 10 is lighter than the elevator car 4, that is, when the counterweight 10 moves upward when the brake device 20 is released, the first brake release lever 31 is used. Since the counterweight 10 moves in the same upward direction as the force applied to the fulcrum base 29, the force for pushing the plunger head 28a by the first brake release lever 31 will escape. As a result, the operation of releasing the braking of the brake device 20 may not be performed normally.
- the second brake release lever 41 is used when the counterweight 10 is lighter than the elevator car 4, that is, when the brake device 20 is released. This is the case where 0 moves upward. Contrary to this case, if the counterweight 10 moves downward when the brake device 20 is released, the second brake release lever 41 is used. The plunger head 28 a engaged with the intermediate portion of the lever 41 is to be pushed downward with the tip of the contacted lever 41 as a fulcrum. At this time, the counterweight 10 is If the lever 41 moves downward, the force of the lever 41 pressing the plunger head 28a escapes, and the operation of releasing the brake of the brake device 20 may not be performed normally.
- the first pulley 32 and the second pulley 42 used in the brake release mechanism of the brake device 20 of the hoisting machine 10 according to the first embodiment are made of iron. May be made of a lighter synthetic resin. Also, the first operation port 33 and the second operation rope 43 may be made of lighter synthetic fiber instead of iron. If the moment of inertia between the pulley and the operation rope is large, the force applied from the operation rope to the brake release lever that moves in synchronization with the counterweight 10 during normal acceleration and deceleration of the elevator will also increase, and the brake release mechanism will increase. May be a disturbance to For this reason, synthetic resin buries and synthetic rope operating ropes should be lighter than steel. Thus, the possibility of malfunction of the brake release mechanism can be reduced.
- the brake device 20 mounted on the counterweight 10 together with the hoisting machine 11 has a brake release mechanism consisting of a brake release lever, an operation rope, and a pair of pulleys. Even if the electrical control to release 0 cannot be performed, the brake device 20 can be mechanically released from the ground mechanically from the ground. There is no need to go to the place where the counterweight 10 has stopped and release the brake device 20, and the elevator 4 can be easily and reliably moved to the nearest floor to rescue the passengers.
- the brake release mechanism is composed of the first and second brake release mechanisms, when the counterweight 10 is heavier than the elevator car 4 or lighter than the elevator car 4 In both cases, a brake release mechanism suitable for each case can be selected and used, and the stable braking device 2 is not affected by the weight imbalance between the counterweight 10 and the elevator car 4 It is possible to release the braking of 0.
- first brake release lever 31 and the second brake release lever 41 both use a part of the electromagnet housing 27 as a fulcrum base 29 and serve as a fulcrum.
- the fulcrum base 29 is close to the plunger head 28a serving as an action point, and is preferably a positional fulcrum.
- the electromagnet housing 27 and the frame 14 having the counterweight 10 are originally rugged and have excellent strength, so that they are suitable as fulcrums.
- FIG. 6 is an elevational view for explaining a configuration of a brake release mechanism of a brake device according to Embodiment 2 of the present invention.
- the first brake release lever 3 1 The connecting part between the first operating rope 33 and the second operating cable 43 and the connecting part between the second brake release lever 41 and the second operating rope 43 have through holes (not shown) on the respective lever sides. Is provided. Since the respective operation ropes pass through the through holes and the lever and the operation rope are not in contact with each other, unlike the first embodiment, the operation is performed when the elevator car 4 normally moves up and down. The rope does not move in synchronization with the brake release lever. Therefore, in the first embodiment, the counterweight 10 and the brake release lever are fixed by the fixed string 17, but in the second embodiment, the fixed string 17 is not used.
- an operation piece 18 is attached to each of the first operation rope 33 and the second operation rope 43.
- the operating piece 18 attached to the first operation port 3 3 side is located near the first pulley 3 2 provided at the lower part of the hoistway 1, and the second operation rope 4 3
- the operating piece 18 attached to the side is disposed near a second pulley 42 provided on the hoistway 1.
- the brake release lever and the operation rope are not fixed at all times, the operation piece 18 is required for the operation rope, but when the elevator car 4 is normally moved up and down, the brake release lever does not contact the operation rope. Since it is in the state, there is an advantage that it is not affected by the moment of inertia from the pulley and the operation rope. The other effects are the same as those obtained in the first embodiment.
- the elevator system according to the present invention requires maintenance personnel even if the elevator stops overnight between floors of the landing due to a failure, making it impossible to electrically control the opening and closing of the brake device.
- the brakes can be released mechanically from the ground using a brake release mechanism, and the elevator can be moved to the nearest floor to rescue passengers.
- it has two sets of brake release mechanisms (first and second), it is possible to select a brake release mechanism according to the riding situation without depending on the number of passengers in the elevator car, and to achieve more stable
- the opening operation of the brake device can be performed easily and reliably. Therefore, the present invention is useful as an elevator with improved safety in an emergency in an elevator for saving space in which a hoist is mounted on an elevator car or a counterweight.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB038026066A CN100357168C (zh) | 2003-01-28 | 2003-01-28 | 电梯装置 |
PCT/JP2003/000775 WO2004067428A1 (ja) | 2003-01-28 | 2003-01-28 | エレベータ装置 |
EP03701898A EP1588974A4 (en) | 2003-01-28 | 2003-01-28 | LIFT DEVICE |
KR1020047015184A KR100627539B1 (ko) | 2003-01-28 | 2003-01-28 | 엘리베이터 장치 |
JP2004567515A JPWO2004067428A1 (ja) | 2003-01-28 | 2003-01-28 | エレベータ装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/000775 WO2004067428A1 (ja) | 2003-01-28 | 2003-01-28 | エレベータ装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004067428A1 true WO2004067428A1 (ja) | 2004-08-12 |
Family
ID=32800800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/000775 WO2004067428A1 (ja) | 2003-01-28 | 2003-01-28 | エレベータ装置 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1588974A4 (ja) |
JP (1) | JPWO2004067428A1 (ja) |
KR (1) | KR100627539B1 (ja) |
CN (1) | CN100357168C (ja) |
WO (1) | WO2004067428A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11591188B2 (en) | 2014-12-31 | 2023-02-28 | Otis Elevator Company | Elevator system roping arrangement |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2486126C2 (ru) * | 2011-08-05 | 2013-06-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный университет" | Рудничная скиповая подъемная установка |
CN110844736B (zh) | 2018-08-20 | 2022-08-23 | 奥的斯电梯公司 | 电梯平衡载救援装置、电梯及电梯平衡载救援方法 |
CN109238678B (zh) * | 2018-09-29 | 2020-09-11 | 沈阳聚德视频技术有限公司 | 一种电梯制动弹簧同步检测智能视觉系统的实现方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07315718A (ja) * | 1994-05-23 | 1995-12-05 | Mitsubishi Denki Bill Techno Service Kk | エレベータのブレーキ解放装置 |
JPH09124259A (ja) * | 1995-11-06 | 1997-05-13 | Mitsubishi Electric Corp | エレベータ装置 |
JPH09142752A (ja) * | 1995-09-21 | 1997-06-03 | Shunan O | エレベータの緊急避難装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6179090B1 (en) * | 1996-11-21 | 2001-01-30 | Alan V. Casas | Elevator hoist brake release apparatus |
US6021872A (en) * | 1997-05-28 | 2000-02-08 | Otis Elevator Company | Remote brake release mechanism for an elevator machine |
US6068087A (en) * | 1998-09-30 | 2000-05-30 | Otis Elevator Company | Belt-climbing elevator having drive in counterweight and common drive and suspension rope |
WO2000035800A1 (fr) * | 1998-12-11 | 2000-06-22 | Kabushiki Kaisha Toshiba | Ascenseur |
US6374953B1 (en) * | 1999-11-30 | 2002-04-23 | Alan V. Casas | Vertical plunger brake control device |
-
2003
- 2003-01-28 EP EP03701898A patent/EP1588974A4/en not_active Withdrawn
- 2003-01-28 KR KR1020047015184A patent/KR100627539B1/ko not_active IP Right Cessation
- 2003-01-28 CN CNB038026066A patent/CN100357168C/zh not_active Expired - Fee Related
- 2003-01-28 JP JP2004567515A patent/JPWO2004067428A1/ja active Pending
- 2003-01-28 WO PCT/JP2003/000775 patent/WO2004067428A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07315718A (ja) * | 1994-05-23 | 1995-12-05 | Mitsubishi Denki Bill Techno Service Kk | エレベータのブレーキ解放装置 |
JPH09142752A (ja) * | 1995-09-21 | 1997-06-03 | Shunan O | エレベータの緊急避難装置 |
JPH09124259A (ja) * | 1995-11-06 | 1997-05-13 | Mitsubishi Electric Corp | エレベータ装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1588974A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11591188B2 (en) | 2014-12-31 | 2023-02-28 | Otis Elevator Company | Elevator system roping arrangement |
Also Published As
Publication number | Publication date |
---|---|
JPWO2004067428A1 (ja) | 2006-05-18 |
KR20050002894A (ko) | 2005-01-10 |
EP1588974A4 (en) | 2011-06-01 |
CN1620399A (zh) | 2005-05-25 |
CN100357168C (zh) | 2007-12-26 |
KR100627539B1 (ko) | 2006-09-21 |
EP1588974A1 (en) | 2005-10-26 |
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