TH41995B

TH41995B - Methods for the replacement of the elevator hoist rope system and the replacement towing unit arrangement kit.

Info

Publication number: TH41995B
Application number: TH701002208A
Authority: TH
Inventors: คอร์เคคันกาส นายนิโค; ฮีนนี นายมัตติ
Original assignee: โคน คอร์ปอเรชั่น; นางสาวปรับโยชน์ ศรีกิจจาภรณ์; นายจักรพรรดิ์ มงคลสิทธิ์; นายต่อพงศ์ โทณะวณิก; นายบุญมา เตชะวณิช
Filing date: 2007-05-04
Publication date: 2014-11-07

Abstract

DC60 (08/07/56) การประดิษฐ์เกี่ยวข้องกับวิธีการและชุดการจัดเครื่องการดึงลากสำหรับการเปลี่ยนทดแทน ระบบเชือกของลิฟต์ ซึ่งลิฟต์จะประกอบรวมอย่างน้อยที่สุดด้วยรางนำ (10) ที่ซึ่งตู้ลิฟต์ (7) ที่ได้ จัดให้มีเฟืองนิรภัย (7a) จะเคลื่อนที่ในปล่องลิฟต์ในทิศทางตามแนวดิ่งอย่างเป็นสำคัญ, เครื่องชักรอก (8), ลูกรอกการดึงลาก (9) และระบบเชือก (1b) เชือก (1aa) ของระบบเชือกใหม่ (1a) และเชือก (1bb) ของระบบเชือกเก่า (1b) จะได้รับการต่อเข้าด้วยกันโดยการต่อพันเชือก (1aa และ 1bb) เป็นเกลียวเข้า ด้วยกันที่ปลายด้านหนึ่งและโดยการทำให้รอยต่อเแข็งแรงขึ้นโดยอาศัยปลอกบีบอัด (4,4a) หลังจากนั้นระบบเชือกใหม่ (1a) จะได้รับการดึงเข้าในตำแหน่งโดยอาศัยระบบเชือกเก่า (1b) และ เครื่องชักรอก (8) ของลิฟต์ การประดิษฐ์เกี่ยวข้องกับวิธีการและชุดการจัดเครื่องการดึงลากสำหรับการเปลี่ยนทดแทน ระบบเชือกของลิฟต์ ซึ่งลิฟต์จะประกอบรวมอย่างน้อยที่สุดด้วยรางนำ (10) ที่ซึ่งตู้ลิฟต์ (7) ที่ได้ จัดให้มีเฟืองนิรภัย (7a) จะเคลื่อนที่ในปล่องลิฟต์ในทิศทางตามแนวดิ่งอย่างเป็นสำคัญ, เครื่องชักรอก (8), ลูกรอกการดึงลาก (9) และระบบเชือก (1b) เชือก (1aa) ของระบบเชือกใหม่ (1a) และเชือก (1bb) ของระบบเชือกเก่า (1b) จะได้รับการต่อเข้าด้วยกันโดยการต่อพันเชือก (1aa และ 1bb) เป็นเกลียวเข้า ด้วยกันที่ปลายด้านหนึ่งและโดยการทำให้รอยต่อเแข็งแรงขึ้นโดยอาศัยปลอกบีบอัด (4,4a) หลังจาก นั้นระบบเชือกใหม่ (1a) จะได้รับการดึงเข้าในตำแหน่งโดยอาศัยระบบเชือกเก่า (1b) และ เครื่องชักรอก (8) ของลิฟต์DC60 (08/07/56) The invention relates to a method and a set of traction arrangements for the replacement of an elevator rope system in which the elevator is comprised of at least a guide rail (10) in which the elevator car (7), fitted with a safety gear (7a), moves in the elevator shaft primarily in the vertical direction, a hoist (8), a traction pulley (9), and a rope system (1b). The rope (1aa) of the new rope system (1a) and the rope (1bb) of the old rope system (1b) are joined together by twisting the ropes (1aa and 1bb) together at one end and by strengthening the joint with compression sleeves (4,4a). The new rope system (1a) is then pulled into position by the old rope system (1b) and the elevator hoist (8). The invention relates to a method and a set of traction arrangements for the replacement of an elevator rope system. The elevator shall consist of at least a guide rail (10) in which the elevator car (7), fitted with a safety gear (7a), moves primarily in the vertical direction in the elevator shaft, a hoist (8), a traction pulley (9), and a rope system (1b). The ropes (1aa) of the new rope system (1a) and the ropes (1bb) of the old rope system (1b) are joined together by twisting the ropes (1aa and 1bb) together at one end and by strengthening the joint with compression sleeves (4,4a). The new rope system (1a) is then pulled into position by the old rope system (1b) and the elevator hoist (8).

Claims

1. Method for replacing the rope system of an elevator in which the elevator shall consist of at least the guide rail (10) in which the elevator car (7), fitted with a safety gear (7a), moves in the elevator shaft primarily in a vertical direction along the guide rail, the hoist (8), the traction pulley (9), and the rope system (1b) in which the rope (1aa) of the new rope system (1a) and the rope (1bb) of the old rope system (1b) are joined at one end in which the new rope system (1a) is pulled into position by the old rope system (1b), and the friction wheel (24,37) in which the friction wheel (24,37) is fitted to press against the traction pulley (9) and is rotated by the traction pulley (9), specifically in which the old rope system (1b) is guided to pass between the friction wheel (24) and the lifting wheel (25) which is fitted to press against the friction wheel (24).

2. The method under claim 1 is characterized by the fact that the old rope system (1b) is introduced to pass between the friction wheel (24) and the lifting wheel (25) which is arranged to be assembled so that it fits snugly against the friction wheel (24).

3. The method under claim 1 or 2 is characterized by the rope (1aa) of the new rope system (1a) and the rope (1bb) of the old rope system (1b) being joined together by twisting the ropes (1aa and 1bb) together at one end and by strengthening the joint by using a compression sheath (4,4a).

4. The method under claim 3 is characterized by the fact that the ropes of the rope system (1a, 1b) to be replaced are the pulley ropes (1aa and 1bb), and that one end of each new and old pulley rope (1aa and 1bb) shall be provided with one or more compression sleeves (4), the ends shall be opened to the appropriate length. Every second rope from the opened end shall be restricted and the core of one pulley rope (1aa and 1bb) shall be cut off, and the ends of the opened pulley ropes (1aa and 1bb) shall be twisted together with the remaining ropes (2a, 2b) around the core (3) of another pulley rope (1aa and 1bb), and that the joint (5a) shall be reinforced at least with compression sleeves (4) at the point of the end (5) of the cut rope.

5. The method according to claim 3 or 4 is characterized by the joint position (5a) being further reinforced by one or more compression sleeves (4a) between the ends (5) of the cut rope.

6. The procedure under one of the preceding claims, which is characterized by at least the following steps being performed in relation to the replacement of the rope system: - The elevator car (7) is locked into position in the elevator shaft (6). - The protruding end of the rope (1bb) of the old rope system (1b) is released from the first anchoring point (15,31,38). - The rope (1aa) of the new rope system (1a) and the rope (1bb) of the old rope system (1b) are joined together at one end and the joint (5a) is secured by the compression sleeve (4,4a) on top of the rope. - The rope (1bb) of the old rope system (1b) is released from the second anchoring point (16,34,39). - The rope (1bb) of the old rope system (1b) is pulled out of position by The hoist (8) of the lift is used for maintenance while at the same time feeding the new hoist rope (1aa) of the new hoist rope system (1a) into the position of the old hoist rope (1bb).

7. The procedure under one of the preceding claims in an elevator fitted with a counterweight (12), which is characterized in such a manner relating to the replacement of the rope system, shall at least be carried out in the following sequence: - The elevator car (7) and the counterweight (12) shall be locked into position in the elevator shaft (6). - The traction device (20) for the rope shall be fixed in such a manner that the friction wheel (24) in the traction device rests against the traction pulley (9) of the hoisting device (8). - The end of the rope (1bb) of the old rope system (1b) on the counterweight side (12) shall be released from its anchoring point (15). - The end of the rope (1bb) of the old rope system (1b) on the counterweight side (12) shall be fitted and tightened between the friction wheel (24) and the lifting wheel (25) in the traction device (20). - The end of the old rope (1bb) on the elevator car side (7) shall be fitted. The rope (1aa) of the new hoisting system (1a) and the rope (1bb) of the old hoisting system (1b) are released from their positions for securing (5a) by means of compression sleeves (4,4a) on top of the ropes. The rope (1bb) of the old hoisting system (1b) is pulled out of its position by means of the lift's hoist (8) and the traction device (20) using the maintenance drive while at the same time the rope (1aa) of the new hoisting system (1a) is fed into the position of the old rope (1bb).

8. The method stipulated in either claim 1 or claims 3-5. In an elevator fitted with a counterweight (12) which is characterized in such a way as to be related to the replacement of the ropes, at least the following steps shall be performed: - The elevator car (7) and the counterweight (12) are locked into position in the elevator shaft (6). - The traction device (20a) for the rope is fixed in such a way that the friction wheel (37) in the traction device is pressed against the traction pulley (9) of the hoisting device (8). - The end of the rope (1bb) of the old hoisting system (1b) on the counterweight side (12) is released from its anchoring point (39). - The end of the old rope (1bb) on the elevator car side (7) is released from its anchoring point (38). - The rope (1aa) of the new hoisting system (1a) and the rope (1bb) of the old hoisting system (1b) are joined together at one end and at the joint (5a). The rope—the pulley rope (1bb) of the old pulley system (1b)—is pulled out of position by the lift's pulley (8) and the friction wheel (37) of the traction machine (20a) used in the maintenance drive while at the same time feeding the new pulley rope (1aa) of the new pulley system (1a) into position of the old pulley rope (1bb).

9. Any of the above-mentioned methods under Reservience 1-6 in an unweighted elevator, which is characterized by the following actions relating to the replacement of the ropes, shall be performed: - The elevator car (7) shall be locked into position in the elevator shaft (6). - The protruding end of the rope (1bb) of the old rope system (1b) shall be released from the first anchoring point (15,31). - The rope (1aa) of the new rope system (1a) and the rope (1bb) of the old rope system (1b) shall be joined together at one end and the joint (5a) shall be secured by the compression sleeve (4,4a) on top of the rope. - The end of the old rope (1bb) of the old rope system (1b) shall be released from the first anchoring point (16,34). - The rope (1bb) of the old rope system (1b) shall be pulled out of position by The hoist (8) of the lift is used for maintenance while at the same time feeding the new hoist rope (1aa) of the new hoist rope system (1a) into the position of the old hoist rope (1bb).

10. The assembly of the traction device for replacement of elevator ropes in elevators that are supplied with a hoist (8) and a traction pulley (9) is characterized in that the assembly includes at least the traction device (20, 20a) which is fixed in position in the elevator shaft, on which the device has a frame (23) on which friction wheels (24,37) which are supplied with appropriate friction surfaces are fitted with bearings that allow rotation, on which the friction wheels are supplied to press against the traction pulley (9).

11. The assembly of the pulling mechanism pursuant to claim 10 is characterized by the lifting wheel (25) which is provided with appropriate friction surfaces being fitted together with bearings that allow it to rotate into the frame (23); in addition, the friction wheel (24) and to which the lift rope is replaced are provided for placement between the friction surfaces of the friction wheel (24) and the lifting wheel (25); and at least one of the wheels (24 and 25) is fitted together so that it can be pulled in close contact with the other wheel when the lift rope is placed between the friction surfaces of the wheels.

12. The arrangement of the traction equipment according to claim 10 or 11 is characterized by the friction surface of the friction wheel (24,37) being rubber, plastic, urethane or other suitablely flexible material which has a significant frictional force.

13. The arrangement of the lifting wheel according to claim 11 or 12 is characterized by the fact that the rim of the lifting wheel (25) is provided with grooves, notches or other suitable surfaces of high friction.