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

Abstract

DC60 (08/07/56) The invention involves a method and set of traction machines for replacement. Elevator rope system In which the elevator is assembled, at least, with a guide rail (10), where the elevator cabinet (7) provided with a safety gear (7a) moves in the elevator shaft in a significant vertical direction, hoists (8 ), The traction pulley (9), and the rope system (1b), the rope (1aa) of the new rope system (1a) and the rope (1bb) of the old rope system (1b) are connected by binding. The rope (1aa and 1bb) is stranded in. Together at one end and by strengthening the joint by means of a compression sleeve (4,4a), after which the new rope system (1a) is pulled in place using the old rope system (1b ) And the hoists (8) of the elevator.The invention involves a method and set of traction machines for replacement. Elevator rope system In which the elevator is assembled, at least, with a guide rail (10), where the elevator cabinet (7) provided with a safety gear (7a) moves in the elevator shaft in a significant vertical direction, hoists (8 ), The traction pulley (9), and the rope system (1b), the rope (1aa) of the new rope system (1a) and the rope (1bb) of the old rope system (1b) are connected by binding. The rope (1aa and 1bb) is stranded in. Together at one end and by strengthening the joint through the compression sleeve (4,4a), after which the new rope system (1a) is pulled in place using the old rope system (1b ) And hoists (8) of the elevator.

Claims (3)

Claims (all) that will not appear on the advertisement page: 1. Methods for replacing the rope system of the elevator. Which will be assembled together At least with a guide rail (10) where the elevator cabinet (7) is provided with a safety gear (7a) to move in the elevator shaft. In a significant vertical direction along that guide rail, a hoist (8), a 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) will Have been spliced together at one end Where the new rope system (1a) will be pulled into position by Relying on the old rope system (1b) and friction wheels (24,37), the friction wheels (24,37) were arranged to It is pressed against the traction pulley (9) and is rotated by the traction pulley (9), characterized by the old rope system (1b) to be guided to pass between the friction wheels (24). And wheels for Lifting (25) arranged so that it is fitted close to the friction wheel (24) 2. Method according to claim 1, which is unique in that the old rope system (1b) will be Lead To pass between the friction wheel (24) and the lifting wheel (25) arranged in order to be assembled It fits close to the friction wheel (24) 3. The method of claim 1 or 2, which is characterized by that the rope (1aa) of the new rope system (1a) and the rope (1bb) of the old rope system (1b ) Are spliced by twisting (1aa and 1bb) strands together at one end and by strengthening the joint through a compression sleeve (4,4a) 4. The method, according to claim 3, is unique in that the ropes of the rope system (1a, 1b) to be replaced are the pulleys (1aa and 1bb), and that one end of the new hoist ropes. And old (1aa and 1bb) each is supplied with one or more (4) compression sleeves. The ends will be opened at a suitable length. Every second string from the opened end is received The limit is removed and the axis of the hoisting rope (1aa and 1bb) is cut off and the open end of the hoisting rope (1aa and 1bb) is stranded together with the strand that is Remaining (2a, 2b) around the axis (3) of the other hoisting rope (1aa and 1bb) and that the splice position (5a) is at least strengthened with a compression sleeve (4) at the point of The end (5) of the cut rope 5. The method according to claim 3 or 4 is characterized by that the joint position (5a) is further reinforced with a compression sleeve (4a). ) One or more sheaths between the ends (5) of the cut string 6. Method of any of the preceding claims Which is unique in that at least In the sequence, the subsequent steps are taken in a manner related to the replacement of the Hoisting system: - The elevator cabinet (7) is locked into position in the shaft (6) - the protruding end of the hoisting rope (1bb) of the old rope system (1b) is released. Exit point for first fixation (15,31,38) - The hoisting rope (1aa) of the new rope system (1a) and the hoisting rope (1bb) of the old rope hoist system (1b) are connected. Together at one end and the joint position (5a) is secured by means of a compression sleeve (4,4a) on top of the rope-hoisting rope (1bb) of the old hoisting system. (1b) shall be released from the point for Second Fixation (16,34,39) - The hoisting rope (1bb) of the old hoisting system (1b) will be removed from position by Relying on the hoist (8) of the elevator operating the maintenance drive while at the same time working Feed the hoisting rope (1aa) of the new hoisting system (1a) into the position of the old hoisting rope (1bb). 7. Method according to one of the previous claims in the provided elevator. There is a counterweight (12), which is characterized by that in relation to the replacement of the hoisting system, at least in the sequence that follows is performed: - the elevator cabinet (7) and The counterweight (12) is locked into position in the shaft (6) - the traction machine (20) for the rope is fixed in such a way that the friction wheel (24) in the traction machine. Will rest against the towing pulley (9) of the hoist (8) - the end of the hoisting rope (1bb) of the old hoisting system (1b) on the counterweight side (12) will be released from Fixing point (15) - The end of the hoisting rope (1bb) of the old hoisting system (1b) on the counterweight side (12) is fully assembled and tautened between the friction wheels. (24) and lifting wheels (25) in the traction machine (20) - the end of the old hoisting rope (1bb) on the side of the elevator cabinet (7) is released from the fixing point (15 - Hoisting rope (1aa) The new hoisting system (1a) and the old hoist (1bb) of the old hoisting system (1b) are joined together at one end and the joint position (5a) is secured. - The hoisting rope (1bb) of the old hoisting system (1b) is pulled out of position by the compression sleeve (4,4a) on the top of the rope. Relying on hoists (8) of the lift and the traction machine (20) used for maintenance drives, while At the same time, the hoist rope (1aa) of the new hoisting system (1a) was fed into the position of the old hoist rope (1bb). 8. Method of claim 1 or 3-5. In a counterweight (12) lift, which is characterized by that in relation to the replacement of the hoisting rope, at least in the sequence that follows, is performed: - The traction machine (7) and the counterweight (12) are locked into position in the shaft (6) - the traction machine (20a) for the rope is fixed in such a way that the friction wheels ( 37) In the traction machine, it is pressed against the traction pulley (9) of the hoist (8) - the end of the hoisting rope (1bb) of the old hoisting system (1b) on the side of the counterweight (12). ) Will be released from the fixing point (39) - the end of the old hoisting rope (1bb) on the side of the elevator cabinet (7) is released from the fixing point (38) - the draw rope The hoist (1aa) of the new hoisting system (1a) and the hoist (1bb) of the old hoisting system (1b) are connected together at one end, and the joint position (5a) is obtained. It is held tightly by means of a compression sleeve (4,4a) on top of the rope - The hoisting rope (1bb) of the old hoisting system (1b) is pulled out of position by Relying on the hoisting machine (8) of the elevator and the traction wheel (37) of the traction machine (20a) operating the maintenance drive while at the same time feeding the hoisting rope (1aa) of the new hoisting system. (1a) Get into the position of the old pulley (1bb) 9. One of the methods of claim 1-6. Above, in a non-counterweight elevator, which is characterized by that in relation to the replacement of the hoisting rope At least in order Subsequent steps are to be performed: - The elevator cabinet (7) will be locked into position in the shaft (6) - the protruding end of the hoisting rope (1bb) of the old hoisting system. (1b) will be released Exit point for first fixation (15,31) - The hoisting rope (1aa) of the new hoisting system (1a) and the hoisting rope (1bb) of the old hoisting system (1b) are connected. Together at one end and the splice position (5a) is secured by means of a compression sleeve (4,4a) on top of the rope - the end of the old hoisting rope (1bb) of the rope system. Old hoist (1b) will be released. From point for fixation (16,34) - The hoisting rope (1bb) of the old hoisting system (1b) will be pulled out of position by Relying on the hoist (8) of the elevator operating the maintenance drive while at the same time working Feed the hoisting rope (1aa) of the new hoisting rope system (1a) into the position of the old hoisting rope (1bb) 1 0. The traction unit for replacement of the lift rope provided in the elevator is provided. A hoist (8) and a traction pulley (9), which are characterized by the fact that the assembly kit includes At least with the traction machine (20, 20a) fixed in place in the elevator shaft. The machine has a frame (23), on which the friction wheel (24,37) has been provided with a suitable friction surface. Perfect fit with bearings that allow rotation. In which the friction wheels are arranged to press Adjacent, pulley, traction (9) 1 1. The Traction Wheel Alignment Kit, according to claim 10, is unique in that the lifting wheels (25) that have been fitted with a suitable friction surface are fitted with bearings. Acceptable To be rotated to the frame (23). In addition, the friction wheel (24) and the hoist rope of the received lift. A replacement will be provided for placement between the friction surface of the friction wheel (24) and the lifting wheel (25), and where at least one wheel (24 and 25) will be provided. Fit In order to be pulled against another wheel when the elevator rope has been placed between the friction surfaces of the wheel 1. 2. A set of towing machines, according to claim 10 or 11, which are unique in that The friction surface of the friction wheel (24,37) will be rubber, plastic, urethane or other suitable bendable material, which has significant friction. 3. A set of towing machines in accordance with claim 11 or 12, which are unique in that The rims for lifting wheels (25) are provided with grooves, notches, or other suitable surfaces with great friction.