WO2004063074A1 - エレベータ用調速機及びエレベータ装置 - Google Patents
エレベータ用調速機及びエレベータ装置 Download PDFInfo
- Publication number
- WO2004063074A1 WO2004063074A1 PCT/JP2003/000070 JP0300070W WO2004063074A1 WO 2004063074 A1 WO2004063074 A1 WO 2004063074A1 JP 0300070 W JP0300070 W JP 0300070W WO 2004063074 A1 WO2004063074 A1 WO 2004063074A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- car
- governor
- lever
- return
- operating
- 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
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
-
- 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
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/044—Mechanical overspeed governors
Definitions
- the present invention relates to a speed governor for an elevator, which is installed in a hoistway and detects an overspeed of a car, and an elevator device using the governor.
- the emergency stop device mounted on the car is operated by the governor, and the car is stopped in an emergency.
- the return operation to the governor is performed after the braking state of the emergency stop device is released.
- the governor In the elevator system in which the governor is located in the upper part of the hoistway, not in the machine room, workers get on the car from the landing on the top floor, with the door of the landing on the elevator. From there, the reach of the governor is reached and the return work is carried out.
- the emergency stop position of the car is near the landing on the top floor, it may not be possible to transfer to the ceiling of the car even if the landing door is opened.
- the car can be raised to release the braking state of the emergency stop device to the car guide rail, but the car cannot be lowered to allow the operator to ride on the car.
- the present invention has been made to solve the above problems, and an elevator capable of easily performing a return operation even when the emergency stop position of the car is near the landing on the top floor. It is intended to obtain an overnight governor and an elevator device using the governor.
- An elevator governor according to the present invention is disposed at an upper portion in a hoistway, detects that the speed of a car has reached a preset overspeed, operates, and operates a non-mounted car mounted on the car.
- the governor body that operates the constant stop device, the operation lever that is provided on the governor body and that is operated externally, and assists the return operation of the governor body by operating the operation lever And an operating member provided on the top of the car for pressing the action lever.
- the elevator apparatus is a car which is lifted and lowered in a hoistway, mounted on a car, an emergency stop device for emergency stop of the car, and arranged at an upper part in the hoistway, and the speed of the car is set in advance. It has a governor body that operates by detecting that the set overspeed has been reached and operates the emergency stop device, an operation lever that is provided on the governor body, and that is operated externally. A return assist mechanism for assisting the return operation of the governor main body when operated, and an operation member provided on the upper part of the car for pressing and operating the action lever.
- FIG. 1 is a configuration diagram showing an elevator apparatus according to an example of an embodiment of the present invention
- FIG. 2 is a front view showing a governor body of FIG. 1,
- FIG. 3 is a front view showing the main part of FIG. 2,
- FIG. 4 is a front view showing a state where the return lever of FIG. 3 is swung to a return position.
- FIG. 1 is a configuration diagram showing an elevator apparatus according to an example of an embodiment of the present invention.
- a driving device 2 is installed in an upper part of a hoistway 1.
- a main cable 3 is wound around a driving sheave 2 a of the driving device 2.
- a car 4 is suspended from one end of the main rope 3, and a counterweight 5 is suspended from the other end of the main rope 3.
- a pair of car guide rails 6 and a pair of weight guide rails (not shown) for guiding the car 4 and the counterweight 5 to ascend and descend are installed.
- an emergency stop device 7 for stopping the car 4 is mounted at the lower part of the car 4.
- a governor support member 8 is fixed near the upper end of the car guide rail 6.
- a governor body 9 for detecting an overspeed of the car 6 and operating the safety gear 7 is supported on the governor support member 8.
- a rotatable pulley 10 is provided in the vicinity of the bottom of the hoistway 1.
- a loop governor rope 11 is wound between the governor body 9 and the tension sheave 10.
- the governor rope 11 is connected to an emergency stop device 7 via a lever 12 and is circulated as the car 4 moves up and down.
- the landing 13 has a landing door 14.
- a rod-shaped operation member (operation cam) 75 is erected and fixed.
- the operating member 75 is arranged so as to be close to the governor body 9 when the car 4 moves above the landing 13 on the top floor.
- FIG. 2 is a front view showing the governor body 9 of FIG.
- a sheave 21 around which a governor rope 11 is wound is supported by a base 23 so as to be rotatable about a sheave shaft 22.
- a pair of flyweights 25 that are rotatable about bins 24 are attached to the side surfaces of the sheave 21.
- the pair of flyweights 25 are connected to each other by a link 26.
- An operating claw 37 is fixed to one end of one fly weight 25.
- the flyweight 25 is rotated by the centrifugal force generated by the rotation of the sheave 21.
- the operating claw 37 is displaced radially outward of the sheave 21.
- a car stop switch 28 for operating a brake device (not shown) of the driving device 2 is attached to the base 23. Switch for stopping the car 2 8
- the sheave 23 is provided with a trip lever 72 that can rotate about an axis 71 parallel to the bin 24. A part of the trip lever 72 is in contact with one of the flyweights 25, and is rotated about the shaft 71 by the rotation of the flyweight 25.
- the shaft 71 is provided with a torsion spring 73 that urges the trip lever 72 in a direction (clockwise direction in the drawing) where the triple bar 72 comes into contact with the flyweight 25.
- the base 23 is provided with a ratchet 30 rotatable about the sheave shaft 22. A large number of teeth are provided on an outer peripheral portion of the ratchet 30.
- a pawl 29 which is selectively engaged with one of the trip lever 72 and the ratchet 30 is supported by a shaft. The pawl 29 is urged by a pull spring 74 in a direction to engage with the ratchet 30.
- the pawl 29 is normally engaged with the trip lever 72 and is separated from the ratchet 30.However, when the pawl 29 is disengaged from the trip lever 72, the pawl 29 is rotated by the spring force of the extension spring 74, and the ratchet is rotated. Engage with 30 teeth.
- An arm 31 rotatably attached to the base 23 is rotatably mounted with a shoe 32 pressed against the governor rope 11.
- a spring shaft 33 is penetrated through the spring receiving portion 31 a of the arm 31.
- a connection lever 34 is connected between one end of the spring shaft 33 and the ratchet 30.
- a spring receiving member 35 is provided at the other end of the spring shaft 33.
- a rope gripping spring 36 for pressing the shoe 32 against the governor rope 11 is provided between the spring receiving portion 31a and the spring receiving member 35.
- a return lever 42 is attached to the base 23.
- the return lever 42 can swing about an axis 43 parallel to the sheave shaft 22.
- the claw 29 is provided with a rotatable projection 44 pressed by the return lever 42 being swung.
- a return spring 45 is provided between the base 23 and the return lever 42 to bias the return lever 42 in a direction to be separated from the projection 44.
- Axis 43 has a return lever centered around axis 43 when operated externally.
- a working lever 76 which is rotated integrally with 42, is attached.
- the return assist mechanism in this embodiment includes a return lever 42, a shaft 43, a projection 44, and a return spring 4.
- the return assist mechanism is partially operated by the governor body 9, namely, the pawl 29 and the trip lever. 7 2 is returned from the operating state by overspeed detection to the state before the operation. That is, the return assisting mechanism assists the return operation of the governor body 9.
- the governor for an elevator in this embodiment has a governor main body 9, a return assist mechanism, and an operation member 75.
- FIG. 3 is a front view showing a main part of FIG. 2, and FIG. 4 is a front view showing a state in which the return lever 42 of FIG. 3 is swung to a return position.
- the return lever 42 is in the normal position and is separated from the projection 44.
- the operating member 75 is displaced upward from the state of FIG. 3, the operating lever 73 is pressed and rotated by the operating member 75, and the return lever 42 is also returned against the return spring 45. Rocked to the position.
- the protrusion 44 is pressed by the return lever 42, and the claw 29 is rotated clockwise in the figure against the pull spring 74 to engage with the trip lever 72.
- the fly weight 25 further rotates, and the amount of rotation of the trip lever 72 also increases, and the engagement between the trip lever 72 and the pawl 29 is released.
- the pawl 29 is rotated by the spring force of the extension spring 74 and engages with the teeth of the ratchet 30.
- the ratchet 30 is slightly rotated together with the sheave 21 in the counterclockwise direction in FIG.
- the pawl 29 can be engaged with the trip lever 72 by remote control.
- the operating member 75 is fixed on the car 4, but the operating member may be vertically movable with respect to the car 4. In this case, the returning operation can be performed using the operation member without moving the car 4 above the landing position on the top floor.
- the operation member When the operation member can be moved up and down, the operation member may be moved up and down by a manual operation from the car room, or may be moved up and down by a driving force of an electric motor or the like.
- a so-called machine room-less elevator is shown.
- the governor is an elevator device arranged in the upper part of the hoistway, an elevator device having a machine room may be used.
- the present invention can be applied.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB03805390XA CN100335395C (zh) | 2003-01-08 | 2003-01-08 | 电梯用调速机及电梯装置 |
JP2004566254A JP4209393B2 (ja) | 2003-01-08 | 2003-01-08 | エレベータ用調速機及びエレベータ装置 |
KR1020047011089A KR100685556B1 (ko) | 2003-01-08 | 2003-01-08 | 엘리베이터용 속도 조절기 및 엘리베이터 장치 |
EP03700485A EP1598300A4 (en) | 2003-01-08 | 2003-01-08 | SPEED LIMITER FOR ELEVATOR AND ELEVATOR EQUIPMENT |
PCT/JP2003/000070 WO2004063074A1 (ja) | 2003-01-08 | 2003-01-08 | エレベータ用調速機及びエレベータ装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/000070 WO2004063074A1 (ja) | 2003-01-08 | 2003-01-08 | エレベータ用調速機及びエレベータ装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004063074A1 true WO2004063074A1 (ja) | 2004-07-29 |
Family
ID=32697359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/000070 WO2004063074A1 (ja) | 2003-01-08 | 2003-01-08 | エレベータ用調速機及びエレベータ装置 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1598300A4 (ja) |
JP (1) | JP4209393B2 (ja) |
KR (1) | KR100685556B1 (ja) |
CN (1) | CN100335395C (ja) |
WO (1) | WO2004063074A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1798183A1 (en) * | 2004-10-07 | 2007-06-20 | Mitsubishi Denki Kabushiki Kaisha | Elevator apparatus |
WO2007135725A1 (ja) * | 2006-05-22 | 2007-11-29 | Mitsubishi Denki Kabushiki Kaisha | エレベータ用調速機 |
KR100901223B1 (ko) | 2007-12-18 | 2009-06-08 | 미쓰비시덴키 가부시키가이샤 | 엘리베이터용 조속기 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101233067B (zh) * | 2006-05-22 | 2010-05-19 | 三菱电机株式会社 | 电梯用调速器 |
WO2010046489A1 (de) * | 2008-10-24 | 2010-04-29 | Inventio Ag | Geschwindigkeitsbegrenzer für einen aufzug |
JP5735504B2 (ja) | 2009-07-20 | 2015-06-17 | オーチス エレベータ カンパニーOtis Elevator Company | エレベータの調速機 |
CN107021395B (zh) | 2016-01-04 | 2020-11-10 | 奥的斯电梯公司 | 具有自动复位的电梯超速调节器 |
CN107673159B (zh) * | 2016-08-01 | 2020-09-08 | 奥的斯电梯公司 | 升降机的限速器 |
CN107673155B (zh) | 2016-08-02 | 2021-03-26 | 奥的斯电梯公司 | 限速器组件以及电梯 |
CN108002168B (zh) | 2016-10-27 | 2021-04-02 | 奥的斯电梯公司 | 远程触发装置,限速器组件以及电梯 |
CN111268532B (zh) | 2018-12-04 | 2022-08-30 | 奥的斯电梯公司 | 超速保护开关、限速器组件以及电梯系统 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001106454A (ja) * | 1999-10-05 | 2001-04-17 | Mitsubishi Electric Corp | エレベータ用調速機 |
JP2002270879A (ja) | 2001-03-14 | 2002-09-20 | Mitsubishi Electric Corp | 半導体装置 |
JP2002370879A (ja) | 2001-06-12 | 2002-12-24 | Mitsubishi Electric Corp | エレベータ用調速機 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI94948C (fi) * | 1994-01-05 | 1995-11-27 | Kone Oy | Laitteisto hissin nopeudenrajoittimessa |
JP2001151434A (ja) * | 1999-12-01 | 2001-06-05 | Hitachi Ltd | エレベーター |
-
2003
- 2003-01-08 WO PCT/JP2003/000070 patent/WO2004063074A1/ja active Application Filing
- 2003-01-08 CN CNB03805390XA patent/CN100335395C/zh not_active Expired - Fee Related
- 2003-01-08 EP EP03700485A patent/EP1598300A4/en not_active Withdrawn
- 2003-01-08 KR KR1020047011089A patent/KR100685556B1/ko not_active IP Right Cessation
- 2003-01-08 JP JP2004566254A patent/JP4209393B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001106454A (ja) * | 1999-10-05 | 2001-04-17 | Mitsubishi Electric Corp | エレベータ用調速機 |
JP2002270879A (ja) | 2001-03-14 | 2002-09-20 | Mitsubishi Electric Corp | 半導体装置 |
JP2002370879A (ja) | 2001-06-12 | 2002-12-24 | Mitsubishi Electric Corp | エレベータ用調速機 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1598300A4 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1798183A1 (en) * | 2004-10-07 | 2007-06-20 | Mitsubishi Denki Kabushiki Kaisha | Elevator apparatus |
EP1798183A4 (en) * | 2004-10-07 | 2012-04-25 | Mitsubishi Electric Corp | ELEVATOR EQUIPMENT |
WO2007135725A1 (ja) * | 2006-05-22 | 2007-11-29 | Mitsubishi Denki Kabushiki Kaisha | エレベータ用調速機 |
KR100901223B1 (ko) | 2007-12-18 | 2009-06-08 | 미쓰비시덴키 가부시키가이샤 | 엘리베이터용 조속기 |
Also Published As
Publication number | Publication date |
---|---|
KR100685556B1 (ko) | 2007-02-22 |
EP1598300A1 (en) | 2005-11-23 |
KR20050002815A (ko) | 2005-01-10 |
CN100335395C (zh) | 2007-09-05 |
CN1639043A (zh) | 2005-07-13 |
JP4209393B2 (ja) | 2009-01-14 |
JPWO2004063074A1 (ja) | 2006-05-18 |
EP1598300A4 (en) | 2011-05-25 |
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