WO2019102589A1 - Dispositif d'installation de câble de compensation d'ascenseur - Google Patents

Dispositif d'installation de câble de compensation d'ascenseur Download PDF

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Publication number
WO2019102589A1
WO2019102589A1 PCT/JP2017/042232 JP2017042232W WO2019102589A1 WO 2019102589 A1 WO2019102589 A1 WO 2019102589A1 JP 2017042232 W JP2017042232 W JP 2017042232W WO 2019102589 A1 WO2019102589 A1 WO 2019102589A1
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WO
WIPO (PCT)
Prior art keywords
rope
elevator
counterweight
car
compensating
Prior art date
Application number
PCT/JP2017/042232
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English (en)
Japanese (ja)
Inventor
大登 古平
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to CN201780096959.1A priority Critical patent/CN111372882A/zh
Priority to PCT/JP2017/042232 priority patent/WO2019102589A1/fr
Publication of WO2019102589A1 publication Critical patent/WO2019102589A1/fr

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00Other common features of elevators
    • B66B7/06Arrangements of ropes or cables
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00Other common features of elevators
    • B66B7/06Arrangements of ropes or cables
    • B66B7/08Arrangements of ropes or cables for connection to the cars or cages, e.g. couplings

Definitions

  • the present invention is connected to a car and a counterweight which lifts and lowers each other in a hoistway in the opposite direction, a main rope which suspends the car and the counterweight, and a car and a counterweight, and is suspended in the hoistway.
  • An elevator compensation rope attachment device for use in an elevator having the same.
  • a conventional elevator compensation rope attachment device is attached to the lower part of an elevator car or a counterweight, and the compensation rope and the rope shackle to which the tip of the compensation rope is attached are vertically aligned. Therefore, the height of the car or the counterweight is increased, and the space in the height direction in the hoistway can not be used effectively.
  • a special weight made so that the longitudinal direction of the weight becomes the vertical direction is used as the load weight.
  • the upper and lower portions of the weight piece are respectively fixed to upper and lower frames of the loading chamber in the loading chamber of the counterweight.
  • a gap is provided between the weight pieces. The gap is provided with a rope shackle to which the tip of the elevator compensation rope is attached.
  • the present invention has been made to solve the problems as described above, and it is possible to use a load in a hoistway without using a special weight such that the longitudinal direction of the weight is vertical. It is an object of the present invention to provide an elevator compensation rope attachment device that can effectively utilize space in the height direction.
  • the elevator compensating rope mounting device is connected to the car and the counterweight which lift and lower in the hoistway in opposite directions, the main rope for suspending the car and the counterweight, and the car and the counterweight.
  • a device for attaching an elevator compensation rope according to the present invention is attached to at least one of a car and a counterweight, and a redirecting device for diverting the direction of the elevator compensation rope at at least one of the ends of the elevator compensation rope;
  • a rope end holding and adjusting member connected to the rope and a holder for holding the rope end holding and adjusting member against a car or a counterweight.
  • a flat weight for generally used can be used as the load weight. Therefore, it is not necessary to use a special weight piece in which the longitudinal direction of the weight piece is the vertical direction.
  • the elevator compensation rope is extended upward from the compensation rope sheave at the bottom of the hoistway and is turned downward or sideways by the turning device.
  • the tip of the diverted compensating rope is fixed by means of a rope end holding adjustment member. Therefore, the rope end holding and adjusting member is provided at a position deviated from the vertical line of the compensating rope sheave.
  • the counterweight can be lowered to a position just before contact with the compensating rope sheave.
  • This provides an elevator compensation rope attachment device that can effectively use the space in the height direction in the hoistway without using a special weight piece such that the longitudinal direction of the weight piece is the vertical direction for the load weight. can do.
  • FIG. 6 is a front view of the counterweight in the first embodiment.
  • FIG. 5 is a front view of the elevator compensation rope attachment device according to the first embodiment.
  • FIG. 5 is a side view of the elevator compensation rope attachment device according to the first embodiment. It is a figure for showing the effect of Embodiment 1, and is a front view of balance weight in case there is no direction change device.
  • FIG. 16 is a front view of a counterweight according to a second embodiment.
  • FIG. 20 is a front view of a counterweight in the third embodiment.
  • FIG. 20 is a top view of the direction changing device in the third embodiment.
  • FIG. 25 is a front view of the lower part of the car in the fourth embodiment.
  • FIG. 25 is a front view of the lower part of the car in the fifth embodiment.
  • FIG. 25 is a front view of the lower part of the car in the sixth embodiment.
  • FIG. 21 is a top view of a direction changing device in a sixth embodiment.
  • FIG. 1 is a block diagram of an entire elevator provided with a device for attaching an elevator compensation rope according to a first embodiment of the present invention.
  • the car 3 and the counterweight 4 are suspended by the main ropes 10 and are arranged to be able to ascend and descend in opposite directions.
  • a machine room 5 is provided in the upper part of the hoistway 1.
  • a hoisting machine 6 and a deflecting wheel 7 are installed at intervals.
  • the hoisting machine 6 has a drive main body 8 and a drive sheave 9.
  • the drive sheave 9 is rotated by the drive main body 8.
  • a main rope 10 is wound around the drive sheave 9 and the diverter 7.
  • the car 3 is guided by the car-side guide rail 2 a provided in the hoistway 1 by the driving force of the hoisting machine 6 to move up and down in the hoistway 1.
  • the counterweight 4 is guided by the counterweight-side guide rail 2 b provided in the hoistway 1 by the driving force of the hoisting machine 6, and ascends and descends in the hoistway 1.
  • an elevator compensation rope mounting device 31 is provided at the lower part of the counterweight 4.
  • One of the two ends of the compensating rope 11 as the elevator compensating rope is attached to the counterweight 4 by the attaching device 31 of the elevator compensating rope.
  • the compensating rope 11 is attached to the center of the counterweight 4.
  • the compensating rope 11 is wound on a compensating rope support wheel 12 installed at the bottom of the hoistway 1.
  • the other of the compensating ropes 11 is attached to the lower part of the car 3.
  • FIG. 2 is a front view of the counterweight 4 in FIG.
  • FIG. 2 is a view seen from the II-II line in FIG.
  • the counterweight 4 includes an upper frame 13, a pair of left and right hanging frames 14, and a lower frame 15.
  • the upper frame 13 is suspended by the main ropes 10.
  • a load weight 17 is stacked between the upper frame 13 and the lower frame 15.
  • the load weight 17 is prevented from being shifted in the horizontal direction by the left and right suspension frames 14.
  • the left and right suspension frames 14 are extended below the lower frame 15, and a mounting base 16 is provided at the tip of the lower frame 15.
  • the elevator compensating rope mounting device 31 includes a pulley 20 as a turning device, a rope shackle 25 as a rope end holding and adjusting member, and a nut 24 as a holding tool.
  • a compensating rope 11 is hung on the pulley 20.
  • a rope shackle 25 is attached to the tip end 11a.
  • the rope shackle 25 is attached to the mount 16 by a nut 24.
  • the side not attached to the rope shackle 25 is wound on a compensating rope support wheel 12 at the bottom of the hoistway 1.
  • the pulley 20 may be a non-rotating disk.
  • FIG. 3 is a front view of the elevator compensating rope mounting device 31, and FIG. 4 is a side view.
  • the pulley 20 is constituted by a mounting metal 21, a shaft 22 and a plurality of sheaves 23.
  • the shaft 22 and the sheave 23 are attached to the lower frame 15 by the attachment 21.
  • the sheave 23 is rotatable about an axis 22.
  • compensating ropes 11 are respectively applied to three sheaves 23 having a groove.
  • the tip end 11 a of the compensating rope 11 is connected to the rope shackle 25.
  • the rope shackle 25 is made of metal and includes a socket 25s, a rod 25r and an external thread 25f.
  • the tip end 11a is fixed by, for example, a molten metal or a wedge.
  • the rod 25r is a long cylindrical rod.
  • the socket 25s and the rod 25r are fixed by, for example, a pin.
  • the male screw 25 f is provided on the side of the rod 25 r on which the socket 25 s is not attached, and is held on the mount 16 by the nut 24.
  • the rope shackle 25 and the compensating rope support wheel 12 indicated by a broken line are shifted in the horizontal direction.
  • the rope shackle 25 and the compensating rope sheave 12 do not touch. That is, the counterweight 4 can be lowered to a position just before the compensating rope support wheel 12 contacts the pulley 20.
  • FIG. 5 is a front view of the counterweight 40 without the pulley 20 in FIG.
  • the weight pieces are stacked flat.
  • a second lower frame 26 and a third lower frame 27 are provided below the lower frame 15.
  • the rope shackle 25 is fixed to the second lower frame 26. Since the rope shackle 25 has the long rod 25r, the third lower frame 27 must be provided below the second lower frame 26 by the length of the rod 25r.
  • the compensating rope 11 is attached to the rope shackle 25 on a straight line in the vertical direction. Therefore, the counterweight 40 can be lowered only to a position just before the compensating rope support wheel 12 shown by the broken line contacts the third lower frame 27.
  • the elevator compensation rope mounting device 31 suspends the car 3 and the counterweight 4, the car 3, and the counterweight 4, which move up and down in the hoistway 1 in opposite directions. It is used in an elevator having a main rope 10 and a compensating rope 11 connected to the car 3 and the counterweight 4 and suspended in the hoistway 1.
  • the elevator compensation rope attachment device 31 according to the first embodiment is attached to the counterweight 4, and the pulley 20 changes the direction of the compensation rope 11 at one of the ends of the compensation rope 11 and the compensation rope 11. It has a rope shackle 25 to be connected and a nut 24 for holding the rope shackle 25 against the counterweight 4.
  • a flat lay piece generally used can be used as the load weight 17. Therefore, it is not necessary to use a special weight piece in which the longitudinal direction of the weight piece is the vertical direction.
  • the compensating rope 11 extends upward from the compensating rope support wheel 12 at the bottom of the hoistway 1 and is turned downward by the pulley 20.
  • the compensating rope 11 whose direction has been changed is fixed to the rope shackle 25. Therefore, the rope shackle 25 is provided at a position deviated from the vertical line of the compensating rope suspension wheel 12. Therefore, the counterweight 4 can be lowered to a position just before contacting the compensating rope support wheel 12.
  • This provides an elevator compensation rope attachment device that can effectively use the space in the height direction in the hoistway without using a special weight piece such that the longitudinal direction of the weight piece is the vertical direction for the load weight. can do.
  • the pulley 20 and the nut 24 are provided symmetrically with respect to the center line C1 of the counterweight 4. Therefore, the clockwise and counterclockwise rotational moments by the compensating rope 11 are balanced against the counterweight 4. As a result, the counterweight 4 can move up and down stably.
  • the elevator compensation rope attachment device 31 is attached to the counterweight 4. Therefore, the sheave 23 provided in the counterweight 4 can function as a weight. Thereby, the number of weight pieces loaded on the counterweight 4 can be reduced. Also, the height of the counterweight 4 can be reduced by reducing the number of weight pieces. Thereby, the space in the height direction in the hoistway can be used more effectively.
  • the pulley 20 has a plurality of sheaves 23 and a plurality of compensating ropes 11 are attached to the plurality of sheaves 23. Pulley 20 is rotatable. Thereby, the direction of compensation rope 11 can be changed smoothly.
  • the rope shackle 25 is fixed to the mount 16 by the nut 24, but may be fixed by providing the mount 16 with a female screw. Moreover, you may fix with an adhesive agent.
  • the roping on the side of the main rope 10 of the car 3 and the counterweight 4 is all one-to-one roping.
  • the roping of the car 3 and the counterweight 4 may be a 2 to 1 roping, since the same effect can be expected if the roping of the car 3 and the counterweight 4 is the same.
  • FIG. 6 is a front view of a counterweight provided with a mounting device for an elevator compensation rope according to a second embodiment.
  • mounts 16a and 16b are provided via the suspension frame 14.
  • a rope shackle 25a is held by a nut 24a on the mount 16a.
  • a rope shackle 25b is held by a nut 24b on the mount 16b.
  • the rope shackles 25a and 25b constitute a rope end holding and adjusting member, and the nuts 24a and 24b constitute a holder, respectively.
  • the lower frame 15 is provided with four pulleys 50a, 50b, 50c and 50d as a direction changing device.
  • the four pulleys 50a to 50d are mounted symmetrically with respect to the center line C2 of the counterweight 41.
  • the elevator compensating rope mounting device 32 is composed of four pulleys 50a to 50d, rope shackles 25a to 25b, and nuts 24a to 24b.
  • the compensating rope 11 is constituted by ropes 61 and 62.
  • a rope 61 is hung on the pulleys 50b and 50d.
  • the tip 61a of the rope 61 is attached to the rope shackle 25b.
  • an end opposite to the tip end 61a is wound around a compensating rope support wheel 12.
  • a rope 62 is hung on the pulleys 50c and 50a.
  • the tip 62a of the rope 62 is attached to the rope shackle 25a.
  • the end of the rope 62 opposite to the tip 62 a is wound on a compensating rope support wheel 12.
  • the four pulleys 50a to 50d and the nuts 24a to 24b are provided symmetrically with respect to the center line C2 of the counterweight 41. Therefore, the rotational moment by the compensating rope 11 does not act on the counterweight 41.
  • the elevator compensation rope attachment device 32 in the second embodiment is attached to the counterweight 41, and the four pulleys 50a that switch the direction of the compensation rope 11 at the tip portions 61a and 62a of the compensation rope 11 To 50 d, rope shackles 25 a to 25 b connected to the compensating rope 11, and nuts 24 a to 24 b for holding the rope shackles 25 a to 25 b against the counterweight 41.
  • This provides an elevator compensation rope attachment device that can effectively use the space in the height direction in the hoistway without using a special weight piece such that the longitudinal direction of the weight piece is the vertical direction for the load weight. can do.
  • the counterweight 41 can be stably moved up and down.
  • the pulleys 50a to 50d and the nuts 24a to 24b are provided symmetrically with respect to the center line C2 of the counterweight 41.
  • the counterweight 41 can be stably moved up and down.
  • the elevator compensation rope attachment device 32 is attached to the counterweight 41.
  • the number of weight pieces loaded on the counterweight can be reduced, and the space in the height direction in the hoistway can be used more effectively.
  • an elevator compensation rope mounting apparatus according to a third embodiment will be described with reference to FIGS. 7 and 8.
  • one direction changing device is provided in the elevator compensating rope mounting device of the third embodiment.
  • FIG. 7 is a front view of a counterweight provided with a mounting device for an elevator compensation rope according to Embodiment 3
  • FIG. 8 is a top view of a direction changing device.
  • a mounting frame 28 is provided below the lower frame 15 of the counterweight 42.
  • the left and right suspension frames 14 are extended below the mounting frame 28, and mounts 16a and 16b are provided at their tips.
  • a rope shackle 25a is attached to the mount 16a.
  • the rope shackle 25b is attached to the mount 16b.
  • Plywood 51 as a direction changing device is attached to the mounting frame 28 by mounting brackets 29a and 29b.
  • the plywood 51 is mounted symmetrically with respect to the center line C3 of the counterweight 42.
  • the plywood 51 is formed by alternately stacking two oval plates 51a and 51b provided with rope grooves. In the third embodiment, four plates 51b and three plates 51a are alternately stacked. (See Figure 8).
  • the elevator compensating rope mounting device 33 is configured of a plywood 51, rope shackles 25a to 25b, and nuts 24a to 24b.
  • the plates 51a and 51b constitute a sheave.
  • the compensating rope 11 is constituted by ropes 61 and 62.
  • a rope 61 is hung on each plate 51 b of the plywood 51.
  • the tip 61a of the rope 61 is attached to the rope shackle 25b.
  • ropes 62 are respectively hung on the respective boards 51 a of the plywood 51.
  • the tip 62a of the rope 62 is attached to the rope shackle 25a.
  • the end of the rope 62 opposite to the tip 62 a is wound on a compensating rope support wheel 12. Therefore, by changing the horizontal length of the two plates 51a and 51b, the position of the ropes 61 and 62 hanging down toward the compensating rope sheave 12 can be arbitrarily changed.
  • the plywood 51 and the nuts 24 a to 24 b are provided symmetrically with respect to the center line C 3 of the counterweight 42. Therefore, the rotational moment by the compensating rope 11 does not act on the counterweight 42.
  • the elevator compensation rope attachment device 33 is attached to the counterweight 42, and the plywood 51 changes the direction of the compensation rope 11 at the tip portions 61a and 62a of the compensation rope 11, and Rope shackles 25a-25b connected to the rope 11 and nuts 24a-24b for holding the rope shackles 25a-25b against the counterweight 42 are provided.
  • This provides an elevator compensation rope attachment device capable of effectively utilizing the space in the height direction in the hoistway without using a special weight piece such that the longitudinal direction of the weight piece is the vertical direction for the load weight. be able to.
  • the plywood 51 and the nuts 24 a to 24 b are provided symmetrically with respect to the center line C 3 of the counterweight 42.
  • the counterweight 42 can be stably raised and lowered.
  • the elevator compensation rope attachment device 33 is attached to the counterweight 42.
  • the number of weight pieces loaded on the counterweight can be reduced, and the space in the height direction in the hoistway can be used more effectively.
  • the plywood 51 has a plurality of sheaves 51a and 51b, and a plurality of compensation ropes 11 are attached to the plurality of sheaves 51a to 51b.
  • the compensation rope 11 can be lowered to any position on the compensating rope support wheel 12 side by changing the length of the plate. Thereby, the compensating rope suspension wheel 12 can increase the degree of freedom of the installation location.
  • an elevator compensation rope mounting apparatus according to a fourth embodiment will be described with reference to FIGS. 9 and 10.
  • the elevator compensation rope attachment device is attached to the counterweight side, but in the fourth embodiment, it is attached to the car side.
  • FIG. 9 is a configuration diagram of an entire elevator provided with a device for attaching an elevator compensation rope according to a fourth embodiment.
  • an elevator compensating rope mounting device 34 is provided at the lower part of the car 3.
  • the elevator compensating rope attaching device 34 attaches one end of the compensating rope 11 to the car 3.
  • the compensating rope 11 is attached to the center of the car 3.
  • the compensating rope 11 is wound on a compensating rope support wheel 12 at the bottom of the hoistway 1.
  • the other end of the compensating rope 11 is attached to the lower part of the counterweight 4.
  • FIG. 10 is a front view of the lower part of the car 3.
  • a hanging frame 54 is provided on the side surface of the car 3.
  • a rectangular lower frame 55 whose one side is open is provided.
  • a mount 56 is provided to close the lower frame 55 in the longitudinal direction.
  • a rope shackle 25 is attached to the mount 56 by a nut 24.
  • the lower frame 55 is provided with pulleys 20 as a direction changing device symmetrically with respect to the center line C4 of the car 3.
  • the compensating rope 11 is mounted on a pulley 20.
  • the tip 11 a of the compensating rope 11 is attached to the rope shackle 25.
  • the end opposite to the tip end 11a is extended downward.
  • the pulley 20 and the nut 24 are provided symmetrically with respect to the center line C4 of the car 3. Therefore, no rotational moment by the compensating rope 11 acts on the car 3.
  • the elevator compensation rope mounting device 34 suspends the car 3 and the counterweight 4, the car 3 and the counterweight 4, which move up and down in the hoistway 1 in the opposite direction to each other. It is used in an elevator having a main rope 10 and a compensating rope 11 connected to the car 3 and the counterweight 4 and suspended in the hoistway 1.
  • the elevator compensation rope attachment device 34 according to the fourth embodiment is attached to the car 3 and is connected to the pulley 20 that switches the direction of the compensation rope 11 at least at one of the ends of the compensation rope 11 and the compensation rope 11 A rope shackle 25 and a nut 24 for holding the rope shackle 25 with respect to the car 3.
  • This provides an elevator compensation rope attachment device capable of effectively utilizing the space in the height direction in the hoistway without using a special weight piece such that the longitudinal direction of the weight piece is the vertical direction for the load weight. be able to.
  • the pulley 20 and the nut 24 are provided symmetrically with respect to the center line C4 of the car 3. Therefore, the clockwise and counterclockwise rotational moments by the compensating rope 11 are balanced with respect to the car 3. Thus, the car 3 can move up and down stably.
  • the elevator compensation rope attachment device 34 is attached to the car 3. Since the car 3 has a length in the horizontal direction, the rope shackle 25 can be arranged in the horizontal direction. Therefore, the height of the car 3 can be further reduced. Thus, it is possible to provide an elevator compensation rope attachment device that can more effectively utilize the space in the height direction in the hoistway.
  • Embodiment 5 an elevator compensation rope mounting apparatus according to the fifth embodiment will be described with reference to FIG. In the fifth embodiment, three redirecting devices are provided.
  • FIG. 11 is a front view of the lower part of the car 3 provided with the elevator compensating rope attaching apparatus according to the fifth embodiment.
  • a lower frame 55 is provided at the lower part of the car 3.
  • the lower frame 55 is provided with mounts 56a and 56b.
  • the rope shackle 25a is attached to the mount 56a by a nut 24a.
  • a rope shackle 25b is attached to the mount 56b by a nut 24b.
  • the lower frame 55 of the car 3 is provided with three pulleys 52a, 52b and 52c as a direction changing device.
  • the three pulleys 52a, 52b and 52c are arranged to be symmetrical with respect to the center line C5 of the car 3.
  • the elevator compensating rope mounting device 35 is constituted by three pulleys 52a to 52c, rope shackles 25a to 25b, and nuts 24a to 24b.
  • the compensating rope 11 is constituted by ropes 63, 64, 65 and 66.
  • the rope 63 is hung on a pulley 52a, and the tip 63a is attached to the rope shackle 25a.
  • the rope 64 is hung on the pulley 52b, and the tip 64a is attached to the rope shackle 25b.
  • the rope 65 is hung on a pulley 52b, and the tip 65a is attached to the rope shackle 25a.
  • the rope 66 is hung on a pulley 52c, and the tip 66a is attached to the rope shackle 25b.
  • the opposite ends of the tip portions 63a, 64a, 65a and 66a respectively extend downward.
  • the pulleys 52 a, 52 b and 52 c are provided symmetrically with respect to the center line C ⁇ b> 5 of the car 3.
  • the nuts 24 a and 24 b are provided symmetrically with respect to the center line C 5 of the car 3. Therefore, the clockwise and counterclockwise rotational moments by the compensating rope 11 are balanced with respect to the car 3.
  • the elevator compensation rope attachment device 35 is attached to the car 3 and, at the tip portions 63a to 66a of the compensation rope 11, the pulleys 52a to 52c that change the direction of the compensation rope 11 Rope shackles 25a-25b connected to the rope 11 and nuts 24a-24b for holding the rope shackles 25a-25b with respect to the car 3 are provided.
  • This provides an elevator compensation rope attachment device capable of effectively utilizing the space in the height direction in the hoistway without using a special weight piece such that the longitudinal direction of the weight piece is the vertical direction for the load weight. be able to.
  • Three pulleys 52a to 52c are provided.
  • the car 3 can move up and down stably.
  • the pulleys 52a to 52c and the nuts 24a to 24b are provided symmetrically with respect to the center line C4 of the car 3. Thus, the car 3 can move up and down stably.
  • the elevator compensation rope mounting device 35 is mounted to the car 3.
  • the elevator compensation rope attachment device that can more effectively utilize the space in the height direction in the hoistway.
  • an elevator compensation rope mounting apparatus according to a sixth embodiment will be described with reference to FIGS. 12 and 13.
  • one redirecting device is provided.
  • FIG. 12 is a front view of the lower part of the car provided with the elevator compensating rope attaching apparatus according to the sixth embodiment.
  • FIG. 13 is a top view of the turning device.
  • a lower frame 55 is provided at the lower part of the car 3.
  • the lower frame 55 is provided with mounts 56a and 56b.
  • the rope shackle 25a is attached to the mount 56a by a nut 24a.
  • a rope shackle 25b is attached to the mount 56b by a nut 24b.
  • the lower frame 55 is provided with a plywood 53 as a direction changing device symmetrically with respect to the center line C6 of the car 3.
  • the plywood 53 is fixed to the lower frame 55 by mounting brackets 29c and 29d.
  • the plywood 53 is formed by alternately laminating two oval plates 53a and 53b provided with a groove.
  • four plates 53b and three plates 53a are alternately stacked (see FIG. 13).
  • the elevator compensating rope mounting device 36 is configured of a plywood 53, rope shackles 25a-25b, and nuts 24-24b.
  • the plates 53a and 53b constitute a sheave.
  • the compensating rope 11 is constituted by ropes 67 and 68.
  • a rope 67 is hung on the plate 53b.
  • the tip portion 67a of the rope 67 is attached to the rope shackle 25b.
  • a rope 68 is hung on the plate 53a.
  • the tip 68a of the rope 68 is attached to the rope shackle 25a.
  • the end opposite to the tip 68a is extended downward. Therefore, by changing the horizontal lengths of the two plates 53a and 53b, the position where the ropes 67 and 68 are hung can be arbitrarily changed.
  • the plywood 53 and the nuts 24 a to 24 b are provided symmetrically with respect to the center line C 6 of the car 3. Therefore, the clockwise and counterclockwise rotational moments by the compensating rope 11 are balanced with respect to the car 3.
  • the elevator compensation rope attachment device 36 is attached to the car 3 and the plywood 53 changes the direction of the compensation rope 11 at the tip portions 67a and 68a of the compensation rope 11, and the compensation rope 11 , And nuts 24a-24b for holding the rope shackles 25a-25b with respect to the car 3.
  • This provides an elevator compensation rope attachment device capable of effectively utilizing the space in the height direction in the hoistway without using a special weight piece such that the longitudinal direction of the weight piece is the vertical direction for the load weight. be able to.
  • the plywood 53 and the nuts 24 a to 24 b are provided symmetrically with respect to the center line C 6 of the car 3. Thus, the car 3 can move up and down stably.
  • the elevator compensation rope attachment device 36 is attached to the car 3.
  • the elevator compensation rope attachment device that can more effectively utilize the space in the height direction in the hoistway.
  • the plywood 53 has a plurality of sheaves 53a and 53b, and a plurality of compensating ropes 11 are attached to the plurality of sheaves 53a to 53b.
  • the compensation rope 11 can be lowered to any position on the compensating rope support wheel 12 side by changing the length of the plate. Thereby, the compensating rope suspension wheel 12 can increase the degree of freedom of the installation location.
  • Reference Signs List 1 hoistway, 3 cars, 4, 40, 41, 42 counterweights, 10 main ropes, 11 compensating ropes (elevator compensating ropes), 20, 50a, 50b, 50c, 50d, 52a, 52b, 52c pulleys (turning direction Devices), 23 sheaves, 24, 24a, 24b nuts (holders), 25, 25a, 25b rope shackles (rope end holding and adjusting members), 31, 32, 33, 34, 35, 36 installation devices for elevator compensation ropes 51, 53 Plywood (direction changer), 51a, 51b, 53a, 53b Plate (sheave), C1, C2, C3 Balance weight center line, C4, C5, C6 basket center line.

Abstract

L'invention concerne un dispositif d'installation de câble de compensation d'ascenseur qui est utilisé dans un ascenseur qui a une cabine et un contrepoids qui sont élevés et abaissés dans une cage d'ascenseur dans des directions mutuellement opposées, un câble qui suspend la cabine et le contrepoids, et un câble de compensation d'ascenseur qui est relié à la cabine et au contrepoids et qui est suspendu dans la cage d'ascenseur. Ce dispositif d'installation de câble de compensation d'ascenseur comprend : un dispositif de changement de direction qui est monté sur au moins un parmi la cabine et le contrepoids et qui change la direction du câble de compensation d'ascenseur sur au moins une extrémité du câble de compensation d'ascenseur ; un élément de réglage de maintien d'extrémité de câble qui est relié au câble de compensation d'ascenseur ; et un support qui maintient l'élément de réglage de maintien d'extrémité de câble sur la cabine ou le contrepoids.
PCT/JP2017/042232 2017-11-24 2017-11-24 Dispositif d'installation de câble de compensation d'ascenseur WO2019102589A1 (fr)

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