Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
  • B66B7/00—Other common features of elevators
  • B66B7/06—Arrangements of ropes or cables
  • B66B7/08—Arrangements of ropes or cables for connection to the cars or cages, e.g. couplings

Definitions

• the present invention relates to a structure for holding an elevator rope in a rope type elevator.
• a conventional elevator the ends of a plurality of elevator ropes suspending an elevator car or a counterweight are gripped by a plurality of rope grippers, and the rope grippers are arranged in parallel. In this state, it is supported by a support section provided on the machine room floor or the like via an elastic body such as a coil spring.
• the rope gripping device is supported by the support part so as to be directed almost vertically.
• the distance between the elevator ropes near the mouth gripper decreases, and the rope gripper may interfere with each other. Occurs. Therefore, in order to solve this problem, it is necessary to increase the spacing of the rope grippers in the support section, or to increase the clearance at the top of the hoistway, that is, the cage in which the elevator is closest to the mouth grip. It was necessary to increase the distance between the hanging vehicle and the rope gripper, and as a result, there was a problem that the occupied space of the elevator was increased.
• an object of the present invention is to prevent mutual interference between rope gripping tools without increasing the spacing between the rope gripping tools in the support portion and increasing the clearance at the top of the hoistway as in the related art.
• the elevator rope gripping structure of the present invention includes: a plurality of parallel grippers for gripping ends of a plurality of parallel elevator ports; and a plurality of the grippers.
• a rope restrictor having a support portion and having a through hole corresponding to each of the plurality of elevator ropes is disposed near the plurality of rope grippers, and the plurality of elevator openings are provided.
• Each of the through-holes of the mouth-stopping member is passed through with a gap and is held by the rope holding member.
• the rope restricting device is suspended by a flexible member, and the flexible member is fastened to a mouthpiece or a supporting portion.
• At least the periphery of the inner wall of the through hole of the rope restrictor is formed of a material softer than the outer layer material of the elevator rope.
• FIG. 1 is a diagram showing an elevator rope gripping structure according to Embodiment 1 of the present invention.
• FIG. 2 is a sectional view taken along line AA of FIG.
• FIG. 3 is a cross-sectional view illustrating a rope restricting device according to Embodiment 2 of the present invention.
• FIG. 4 is a diagram showing a gripping structure of an elevator rope according to Embodiment 3 of the present invention.
• FIG. 1 is a diagram showing a structure for holding an elevator rope according to Embodiment 1 of the present invention
• FIG. 2 is a cross-sectional view taken along line AA of FIG.
• one of a plurality of elevating ropes 5 arranged in parallel is wound around a hanging wheel 4 provided above an elevating basket 3 that moves up and down the hoistway 1. .
• the end of the rope 5 is held by a plurality of rope holders 6.
• the rope grippers 6 are fastened to a support portion 7 installed on the machine room floor 2 by a nut 9 via an elastic body composed of a coil spring 8 in a state of being arranged in parallel.
• the rope restricting tool 10 is arranged near the rope gripping tool 6.
• the rope restricting tool 10 has a plurality of through holes formed by combining two outer plates 11 and inner plates 12 each having a plurality of semicircular grooves.
• the outer plate 11 and the inner plate 12 are connected to each other using a through port 13 and a nut 14.
• the plurality of through-holes 15 are formed so as to correspond to each of the plurality of electric ropes 5, and the elevator opening 5 has a gap in the through-hole 15.
• the through hole 15 is used when the elevator car 3 is stopped on the top floor, that is, when the rope gripper 6 and the hanging wheel 4 above the car 3 are closest to each other.
• the grippers 6 are provided at intervals such that they do not interfere with each other.
• the rope restricting tool 10 is made of a material softer than the outer layer material of the steel elevator rope 5, for example, a synthetic resin such as polyethylene or wood. That is, the rope restricting tool 10 is made of a material that does not damage the rope 5 when the elevator 5 comes in contact with it.
• the rope restraint 10 is held in the vicinity of the rope gripper 6. 0 is suspended by a flexible member 17. Both ends of the flexible member 17 are fastened to the rope gripper 6.
• the rope gripper 6 is also close in position to the rope restricting tool 10 and is suitable as a place for fastening the flexible member 17.
• a wire or the like is used for the flexible member 17, but any material can be used as long as it can sufficiently support the weight of the rope restricting tool 10.
• the elevator rope 5 whose end is gripped by the plurality of rope grippers 6 arranged in parallel is connected to the through-hole 15 formed in the rope restrictor 10. And is maintained at a predetermined interval. Therefore, even if the lifting car 4 approaches the mouth gripper 6 due to the elevation of the elevator car 3, the elevators 5 near the mouth gripper 6 try to approach each other. However, since the position of the rope 5 is held by the contact of the rope 5 with the through hole 15, the rope holding tools 6 can be prevented from interfering with each other.
• the elevating overnight rope 5 is passed through the rope restricting tool 10 with a gap, and the elevating overnight rope 5 can rotate in the circumferential direction of the rope 5 with respect to the through hole 15. It is. Therefore, even when the elevator rope 5 is untwisted, the load is not applied to the mouth because the elevator rope 5 is not restrained by the rope restricting tool 10. Therefore, the durability of the elevator rope 5 is not impaired.
• the elevator ropes 5 can be displaced in the longitudinal direction of the ropes 5, even when adjusting the tension of the ropes 5 during maintenance, the elevator ropes 5 can be displaced without removing the rope restrictors 10. It is possible to adjust the tension of the rope 5 overnight.
• the rope restraint 10 is softer than the outer layer material of the elevator 5 Since the elevator rope 5 is formed of a material, the elevator rope 5 can be prevented from being damaged even when the elevator rope 5 comes into contact with the rope restricting tool 10.
• Embodiment 2
• FIG. 3 is a cross-sectional view illustrating a rope restricting device according to Embodiment 2 of the present invention. Also in the second embodiment, as in the first embodiment, the rope restricting tool 10 is arranged near the rope gripping tool 6 as shown in FIG. Hanged. Both ends of the flexible member 17 are fastened to the rope gripper 6.
• the rope restricting tool 10 is configured by combining two outer plates 11 and the inner plate 12. Only the periphery of the inner wall 16 of the through hole 15 of the rope restrictor 10 through which the 5 is inserted is made of a synthetic resin material such as polyethylene which is softer than the outer layer material of the elevator rope 5. With this configuration as well, it is possible to prevent the elevator port 5 from being damaged when the elevator rope 5 comes into contact with the rope restricting tool 10.
• the other configuration is the same as that of the first embodiment, and the same or equivalent parts are denoted by the same reference numerals and description thereof will be omitted.
• Embodiment 3 The other effects are the same as those obtained in the first embodiment. Embodiment 3.
• FIG. 4 is a diagram showing a gripping structure of an elevator rope according to Embodiment 3 of the present invention.
• the rope restricting tool 10 is disposed near the rope gripping tool 6, and the rope restricting tool 10 is suspended by the flexible member 17. ⁇
• both ends of the flexible member 17 are fastened to the support portion 7.
• the rope restricting tool 10 may be held by using the flexible member 17, and whether the flexible member 17 is to be fastened to the rope gripper 6 or the support portion 7 is determined by It is possible to make a timely selection in consideration of the workability when installing the equipment.
• the entire rope restricting tool 10 may be made of a material softer than the outer layer material of the rope 5.
• the periphery of the inner wall 16 of the through hole 15 of the mouth restraint 10 may be made of a material that is softer than the outer layer material of the erepeta rope 5.
• the other configuration is the same as that of the first embodiment, and the description thereof is omitted.
• the elevator rope 5 whose end is gripped by the plurality of rope grippers 6 arranged in parallel is connected to the through hole 15 formed in the rope restricting tool 10. And is maintained at a predetermined interval. Therefore, even if the lifting car 4 approaches the mouth gripper 6 by lifting and lowering the elevator car 3, the elevator ropes 5 near the rope gripper 6 try to approach each other. Since the position of the rope 5 is maintained by contacting the through hole 15 with the through hole 5, it is possible to prevent the rope holders 6 from interfering with each other.
• the end of the elevator rope 5 on the side of the elevator car 3 has been described.
• the elevator car 3 is wound around a counterweight lifting wheel via a hoisting machine. The same applies to the other end of the elevator rope 5 to be used, and therefore the description thereof is omitted.
• the support portion 7 is installed on the machine room floor 2 .
• the support part 7 is installed via a support base above the hoistway, or is installed via beams on the upper surfaces of the elevator car and the counterweight.
• the elevator rope gripping structure of the present invention can be similarly applied.
• the elevator rope gripping structure according to the present invention is such that the elevator port is passed through the port restrictor in the vicinity of the rope holder with an air gap, thereby providing support. It is possible to prevent the rope grippers from interfering with each other without increasing the spacing between the rope grippers in the section and increasing the clearance at the top of the hoistway, ensuring the original durability of the rope grippers.
• the opening restricting device is made of a material softer than the outer layer material of the elevator, so that the elevator Damage can be prevented, and the original durability of the elevator can be secured.
• the present invention is useful as a gripping structure for an elevator rope which can improve the durability of the mouth gripper and the elevator rope and the space saving of the elevator.

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• Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Priority Applications (5)

Applications Claiming Priority (1)

Publications (1)

Family

ID=33018145

Family Applications (1)

Country Status (5)

Cited By (1)

Families Citing this family (7)

Citations (7)

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• 2003
  • 2003-03-18 EP EP03708662A patent/EP1604937B1/en not_active Expired - Lifetime
  • 2003-03-18 CN CNB038040107A patent/CN100345743C/zh not_active Expired - Lifetime
  • 2003-03-18 KR KR1020047018559A patent/KR100671608B1/ko active IP Right Grant
  • 2003-03-18 WO PCT/JP2003/003272 patent/WO2004083092A1/ja active Application Filing
  • 2003-03-18 JP JP2004569567A patent/JP4407947B2/ja not_active Expired - Lifetime

Patent Citations (7)

Non-Patent Citations (1)

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