Elevator and system and method for locking an elevator car in place
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B66B-005/16
B66B-011/08
B66B-005/04
출원번호
US-0437626
(2006-05-22)
등록번호
US-8113319
(2012-02-14)
우선권정보
FI-20031720 (2003-11-24)
발명자
/ 주소
Anttila, Aripekka
Aulanko, Esko
Bärneman, Håkan
Björni, Osmo
출원인 / 주소
Kone Corporation
대리인 / 주소
Harness, Dickey & Pierce, P.L.C.
인용정보
피인용 횟수 :
4인용 특허 :
8
초록▼
An elevator may include an elevator car, one or more hoisting ropes, a traction sheave, an overspeed governor, at least one safety gear, a locking mechanism, and guide rails. The car may be suspended by the one or more hoisting ropes. The traction sheave may move the car using the one or more hoisti
An elevator may include an elevator car, one or more hoisting ropes, a traction sheave, an overspeed governor, at least one safety gear, a locking mechanism, and guide rails. The car may be suspended by the one or more hoisting ropes. The traction sheave may move the car using the one or more hoisting ropes. The at least one safety gear and locking mechanism may be fitted in conjunction with the car. The overspeed governor may be configured to activate and release, via a linkage, the at least one safety gear during operation of the elevator. The locking mechanism may be configured to activate and release, by operatively acting on the linkage, the at least one safety gear during installation, maintenance, or installation and maintenance of the elevator. When activated, the at least one safety gear may engage one of the guide rails to lock the car in place.
대표청구항▼
1. An elevator, comprising: an elevator car having a car frame;one or more hoisting ropes;a traction sheave;an overspeed governor;at least one safety gear;a locking mechanism;guide rails; anda compensating device;wherein the elevator car is suspended by the one or more hoisting ropes,wherein the one
1. An elevator, comprising: an elevator car having a car frame;one or more hoisting ropes;a traction sheave;an overspeed governor;at least one safety gear;a locking mechanism;guide rails; anda compensating device;wherein the elevator car is suspended by the one or more hoisting ropes,wherein the one or more hoisting ropes includes first, second, third, and fourth rope portions,wherein the traction sheave moves the elevator car using the one or more hoisting ropes,wherein the compensating device acts in substantially opposite directions on the first and second rope portions in order to compensate rope elongations,wherein the elevator car includes one or more first diverting pulleys from which the third rope portions extend upward from both sides of the one or more first diverting pulleys,wherein the elevator car includes one or more second diverting pulleys from which the fourth rope portions extend downward from both sides of the one or more second diverting pulleys,wherein the at least one safety gear is fitted in conjunction with the elevator car,wherein the locking mechanism is fitted in conjunction with the elevator car,wherein the overspeed governor is configured to activate, via a first linkage, the at least one safety gear during operation of the elevator,wherein the locking mechanism is configured to activate and release, by operatively acting on the first linkage, the at least one safety gear during installation, maintenance, or installation and maintenance of the elevator,wherein when activated, the at least one safety gear engages one of the guide rails in order to lock the elevator car in place,wherein the overspeed governor, the at least one safety gear, and the locking mechanism are mounted to the car frame,wherein the locking mechanism includes a detachable locking element in the form of a safety pedal,wherein the detachable locking element is removably installed to the car frame, when the elevator is to be operated in maintenance mode, andwherein the detachable locking element is portable and configured to activate and release the at least one safety gear via the first linkage. 2. The elevator of claim 1, wherein the locking mechanism has at least first and second positions, wherein when the locking mechanism is in the first position, the at least one safety gear is released and the elevator is not locked in place, andwherein when the locking mechanism is in the second position, the at least one safety gear is activated and the elevator is locked in place. 3. The elevator of claim 2, wherein if an operator causes the locking mechanism to be in the first position, the operator must continue to cause the locking mechanism to be in the first position or the locking mechanism will change to the second position. 4. The elevator of claim 2, wherein the locking mechanism includes an actuating element, and wherein when the locking mechanism is in the first position, the at least one safety gear is adapted to be activated using the actuating element. 5. The elevator of claim 2, wherein the locking mechanism includes an actuating element, and wherein when the locking mechanism is in the second position, the at least one safety gear is adapted to be released using the actuating element. 6. The elevator of claim 1, wherein the elevator is an elevator without counterweight. 7. The elevator of claim 1, wherein the elevator further comprises: a switching element;wherein the switching element is adapted to detect and indicate a position of the locking mechanism. 8. The elevator of claim 1, wherein the overspeed governor is further configured to release, via the first linkage, the at least one safety gear during operation of the elevator. 9. A system for locking an elevator car of an elevator in place, the system comprising: at least one safety gear; anda locking mechanism;wherein the elevator includes: the elevator car;one or more hoisting ropes;a traction sheave;an overspeed governor;guide rails; anda compensating device;wherein the elevator car has a car frame and is suspended by the one or more hoisting ropes,wherein the one or more hoisting ropes includes first, second, third, and fourth rope portions,wherein the traction sheave moves the elevator car using the one or more hoisting ropes,wherein the compensating device acts in substantially opposite directions on the first and second rope portions in order to compensate rope elongations,wherein the elevator car includes one or more first diverting pulleys from which the third rope portions extend upward from both sides of the one or more first diverting pulleys,wherein the elevator car includes one or more second diverting pulleys from which the fourth rope portions extend downward from both sides of the one or more second diverting pulleys,wherein the at least one safety gear is fitted in conjunction with the elevator car,wherein the locking mechanism is fitted in conjunction with the elevator car,wherein the overspeed governor is configured to activate, via a first linkage, the at least one safety gear during operation of the elevator,wherein the locking mechanism is configured to activate and release, by operatively acting on the first linkage, the at least one safety gear during installation, maintenance, or installation and maintenance of the elevator,wherein when activated, the at least one safety gear engages one of the guide rails in order to lock the elevator car in placewherein the overspeed governor, the at least one safety gear, and the locking mechanism are mounted to the car frame,wherein the locking mechanism includes a detachable locking element in the form of a safety pedal,wherein the detachable locking element is removably installed to the car frame, when the elevator is to be operated in maintenance mode, andwherein the detachable locking element is portable and configured to activate and release the at least one safety gear via the first linkage. 10. The system of claim 9, wherein the locking mechanism has at least first and second positions, wherein when the locking mechanism is in the first position, the at least one safety gear is released and the elevator is not locked in place, andwherein when the locking mechanism is in the second position, the at least one safety gear is activated and the elevator is locked in place. 11. The system of claim 10, wherein if an operator causes the locking mechanism to be in the first position, the operator must continue to cause the locking mechanism to be in the first position or the locking mechanism will change to the second position. 12. The system of claim 10, wherein the locking mechanism includes an actuating element, and wherein when the locking mechanism is in the first position, the at least one safety gear is adapted to be activated using the actuating element. 13. The system of claim 10, wherein the locking mechanism includes an actuating element, and wherein when the locking mechanism is in the second position, the at least one safety gear is adapted to be released using the actuating element. 14. The system of claim 9, wherein the elevator is an elevator without counterweight. 15. The system of claim 9, wherein the elevator further comprises: a switching element;wherein the switching element is adapted to detect and indicate a position of the locking mechanism. 16. The system of claim 9, wherein the overspeed governor is further configured to release, via the first linkage, the at least one safety gear during operation of the elevator. 17. A method for locking an elevator car of an elevator in place, the elevator including the elevator car, one or more hoisting ropes, a traction sheave, an overspeed governor, at least one safety gear, a locking mechanism, guide rails, and a compensating device, wherein the elevator car has a car frame and is suspended by the one or more hoisting ropes, wherein the one or more hoisting ropes includes first, second, third, and fourth rope portions, wherein the traction sheave moves the elevator car using the one or more hoisting ropes, wherein the compensating device acts in substantially opposite directions on the first and second rope portions in order to compensate rope elongations, wherein the elevator car includes one or more first diverting pulleys from which the third rope portions extend upward from both sides of the one or more first diverting pulleys, wherein the elevator car includes one or more second diverting pulleys from which the fourth rope portions extend downward from both sides of the one or more second diverting pulleys, wherein the at least one safety gear is fitted in conjunction with the elevator car, wherein the locking mechanism is fitted in conjunction with the elevator car, the method comprising: using the overspeed governor to activate, via a linkage, the at least one safety gear during operation of the elevator;using the locking mechanism to activate, by operatively acting on the linkage, the at least one safety gear during installation, maintenance, or installation and maintenance of the elevator; andengaging one of the guide rails with the at least one safety gear; wherein the overspeed governor, the at least one safety gear, and the locking mechanism are mounted to the car frame,wherein the locking mechanism includes a detachable locking element in the form of a safety pedal,wherein the detachable locking element is removably installed to the car frame, when the elevator is to be operated in maintenance mode, andwherein the detachable locking element is portable and configured to activate and release the at least one safety gear via the first linkage.
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이 특허에 인용된 특허 (8)
De Jong Johannes (JrvenpFIX), Double-sided safety gear.
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