JP2007284222A - Elevator main rope steady rest - Google Patents

Abstract

An elevator main rope anti-sway device is provided that has a simple structure and is capable of suppressing the main rope of an elevator having a long lifting distance.
Rope steady rests placed on the upper part of a car 2 that moves up and down a hoistway 1 and through which main ropes for elevators are inserted, and on the side of the hoistway 1 are provided. In an elevator main rope steadying device provided with a plurality of pedestals 7 to 9 each capable of supporting bodies 4 to 6 at predetermined positions, a mechanism that is provided on rope steadying bodies 4 to 6 and engages with pedestals 7 to 9 The joint portions 4a to 6a are arranged in the horizontal direction so as to have different spacing dimensions from the engaging portions of the other rope steady rests, and the cradles 7 to 9 have the corresponding rope steady rest engaging portions. The ropes 4 to 6 can be arranged at predetermined positions on the hoistway 1 in synchronism with the raising and lowering of the car 2.
[Selection] Figure 1

Description

  The present invention relates to a main rope steadying device for an elevator that suppresses shaking of a main rope due to wind or the like in an earthquake or outdoor elevator.

  Generally, in a high-rise building, since the building itself has an earthquake-resistant structure that is displaced in response to an earthquake, that is, a flexible structure, the elevator hoistway and the hoistway in the event of an earthquake The main rope that is extended to suspend the elevator is also swayed. In the case of outdoor elevators, especially when the lifting distance is long, the main rope is swayed by the wind and shakes. If swinging occurs in the main rope in this way, the main rope may come into contact with various devices installed in the hoistway and become inoperable. Stop devices have been proposed.

  Conventionally, as a main rope steadying device for this type of elevator, the main rope steadying body mounted on the upper part of the car and through which the main rope for elevator is inserted, and the main rope steadying body provided on the hoistway side are supported. One set of receiving bases is provided to suppress the swing of the main rope (for example, see Patent Document 1).

In addition, there is an apparatus provided with an automatic winding device that connects each of a plurality of main rope steady rests through which an elevator main rope is inserted with a sub rope and automatically winds up the sub rope (for example, Patent Document 2). reference).
Japanese Patent Laid-Open No. 4-127777 (2nd page, FIG. 1) Japanese Unexamined Patent Publication No. 2004-59208 (paragraph numbers 0016 to 0032, FIGS. 1 and 2)

  The above-described conventional elevator main rope steadying device for elevators is a high-rise building with a long ascending / descending distance that is often seen in recent years. There is a problem that it is difficult to effectively suppress the swing of the main rope. Further, in the latter main rope steadying device for elevators, a plurality of main rope steadying members are suspended by the sub rope, and an automatic winding device is separately provided to prevent the sub rope from bending. The number of parts increased, and there was a problem from the viewpoint of installation cost and installation space.

  The present invention has been made from the above-described actual state of the prior art, and an object thereof is to provide an elevator main rope swaying device capable of suppressing the swaying of the elevator main rope having a simple ascending / descending distance. There is to do.

  In order to achieve the above object, the present invention is placed on the upper part of a car that moves up and down a hoistway, and is provided on a rope steadying body through which a main rope for an elevator is inserted, and disposed on the hoistway side, In the main rope steadying device for an elevator provided with a plurality of cradles each capable of supporting a rope steadying body at a predetermined position, an engaging portion provided on the rope steadying body and engaging with the cradle is horizontally arranged. It is arranged with a different spacing dimension from the engaging portions of other rope steady rests, and the cradle is placed at a position that can face the engaging portions of the corresponding rope steady rests. It is a feature.

  In the present invention configured as described above, the engaging portions of the plurality of rope steady rests have a spacing dimension different from the engaging portions of the other rope steady rests in the horizontal direction, and their vertical projection surfaces do not overlap each other. The plurality of cradles are respectively disposed at predetermined positions of the hoistway, that is, at positions overlapping with the vertical projection planes of the engaging portions of the corresponding rope steady rests. As a result, the plurality of rope steady rests located above the hoistway and placed on the upper part of the car are sequentially engaged with the rope steady rests located at the top as the car descends. The part is arranged at a predetermined position of the hoistway by engaging with the corresponding cradle and suppresses the swing of the main rope. On the other hand, as the car rises from the lower part of the hoistway, the rope steadying body located at the lowermost part is sequentially placed so as to overlap the upper part of the car. In this way, the cage and the pedestal of the pair of rope steady rests are arranged in a position different from that of the other pair of the rope steady rest and the pedestal. A plurality of rope steady rests can be arranged at predetermined positions of the hoistway in synchronization with the raising and lowering of the hoistway. In addition, since the main rope is prevented from shaking by the plurality of rope steadying bodies, it is possible to cope with an elevator having a long lifting distance.

  According to the present invention, the car can have a simple structure in which the engaging portion and the pedestal of the pair of rope steady rests are arranged at different positions from the engaging portion and the rest of the other rope steady rest. Since a plurality of rope steadying bodies can be arranged at predetermined positions in the hoistway in synchronization with the raising and lowering of the hoistway, the installation cost can be reduced and the occupied space of the apparatus can be minimized. . Moreover, since the swing of the main rope is suppressed by the plurality of rope steadying bodies, it is possible to cope with an elevator with a long lifting distance, and it is possible to prevent damage and failure of the equipment due to the swing of the main rope.

  DESCRIPTION OF EMBODIMENTS Embodiments of an elevator main rope steadying device according to the present invention will be described below with reference to the drawings.

  FIG. 1 is a schematic configuration diagram showing an embodiment of a main rope steadying device for an elevator according to the present invention, FIG. 2 is a plan view taken along line AA in FIG. Is a plan view along the line BB in FIG. 1, FIG. 4 is a plan view along the line CC in FIG. 1, and FIG. 5 is a plan view of the cradle. FIG. 6 is a schematic configuration diagram showing a state where the car is positioned below the hoistway, and FIG. 7 is a schematic configuration diagram showing a state where the car is positioned above the hoistway. .

  As shown in FIG. 1, the elevator main rope steadying device according to the present embodiment is mounted on the upper part of a car 2 that moves up and down the hoistway 1, and a plurality of rope steadying devices through which the elevator main rope 3 is inserted. It comprises bodies 4, 5, 6 and cradles 7, 8, 9 which are arranged on the hoistway wall 1a and can support the rope steadying bodies 4-6 at predetermined positions.

  Further, as shown in FIG. 2, the lowermost rope steady rest 4 is provided with an engaging portion 4a that engages with the lowermost pedestal 7 and an insertion hole 4b through which the main rope 3 is inserted, As shown in FIG. 3, the intermediate rope steady rest 5 is provided with an engaging portion 5 a that engages with the intermediate cradle 8 and an insertion hole 5 b through which the main rope 3 is inserted, and the top rope steady rest. As shown in FIG. 4, the body 6 is provided with an engaging portion 6 a that engages with the uppermost cradle 9 and an insertion hole 6 b through which the main rope 3 is inserted. And these engagement parts 4a-6a have the space | interval dimensions L1, L2, and L3 which are different from the engagement part of another rope steadying body in a horizontal direction. Further, as shown in FIG. 5, the lowermost pedestal 7 is disposed on the hoistway wall 1a with a spacing dimension L1 so as to be opposed to the engaging portion 4a of the corresponding uppermost rope steadying member 4, and the intermediate receiving base 7 The base 8 is disposed on the hoistway wall 1a with a distance L2 so as to be able to face the engaging portion 5a of the corresponding intermediate rope steady rest 5 and the top receiving base 9 is the corresponding top rope steady rest 6 The hoistway wall 1a is disposed with an interval L3 so as to be able to face the engaging portion 6a. Accordingly, the engaging portions 4a to 6a of the rope steady rests 4 to 6 are arranged so that their vertical projection surfaces do not overlap each other, and the cradles 7 to 9 are engaged with the corresponding rope steady rests. Each is arranged at a position overlapping with the vertical projection plane of the part.

  Further, the car 2 cushions the shock at the time of collision with the lowermost rope steady body 4, and the lower rope steady body 4 buffers the shock at the time of collision with the car 2. The shock absorbing material 11 and the shock absorbing material 12 for buffering the impact at the time of the collision with the intermediate rope steady rest 5 adjacent to the upper side, and the middle rope steady rest 5 are connected to the lowermost rope steady rest 4 adjacent to the bottom. The shock absorber 13 for buffering the shock at the time of collision, the shock absorber 14 for buffering the shock at the time of collision with the uppermost rope steadying body 6 adjacent to the upper side, and the uppermost rope steadying body 6 have an intermediate rope adjacent to the lower side. A shock absorbing material 15 is provided for buffering an impact at the time of collision with the steady rest 5.

  Further, the lower rope steady rest 4 has a shock absorbing material 16 that cushions the impact at the time of collision with the lowermost pedestal 7, and the intermediate rope steady rest 5 has a shock at the time of collision with the middle cradle 8. The cushioning material 17 for cushioning and the top rope steadying body 6 are respectively provided with a cushioning material 18 for cushioning an impact at the time of collision with the topmost support 9.

  Further, the lower pedestal 7 is provided with a shock absorber 19 for buffering an impact at the time of collision with the lowermost rope steady rest 4, and the intermediate pedestal 8 is provided with an impact at the time of collision with the intermediate rope steady rest 5. The cushioning material 20 and the uppermost cradle 9 are provided with a cushioning material 21 that cushions an impact at the time of collision with the uppermost rope steady rest 6.

  In the present embodiment, the plurality of rope steady rests 4 to 6 placed above the hoistway 1 and placed on the upper portion of the car 2 are as shown in FIG. First, when the engaging portion 6a of the uppermost rope steadying body 6 is engaged with the uppermost receiving base 9 of the hoistway 2, the uppermost rope steadying body 6 is arranged at a predetermined position of the hoistway 2. At this time, the shock-absorbing materials 18 and 21 are brought into contact with each other, so that the impact caused by the collision between the engaging portion 6a and the uppermost receiving base 9 is buffered, so that unpleasant noise and vibration can be prevented. Next, when the car 2 is further lowered, as shown in FIG. 4, the engaging portion 5a of the intermediate rope steadying body 5 is engaged with the intermediate cradle 8 of the hoistway 2, so that the intermediate rope steadying body 5 is It is arranged at a predetermined position of the hoistway 2. Thereafter, when the car 2 further descends, the engaging portion 4a of the lowermost rope steadying body 4 engages with the lowermost pedestal 7 of the hoistway 2, so that the lowermost rope steadying body 4 becomes the hoistway. 2 are arranged at predetermined positions. Since the car 2 is positioned below the hoistway 1 in this way, the main rope 3 is suspended over almost the entire length of the hoistway 1 and is easily affected by wind in an earthquake or outdoor elevator. Even if it becomes, the rolling is suppressed by the several rope steadying bodies 4-6.

  On the other hand, when the car 2 rises from below the hoistway 1, first, the lowermost rope steady rest 4 is engaged with the car 2 as shown in FIG. Placed. At this time, the shock absorbers 10 and 11 come into contact with each other, so that the shock caused by the collision between the car 2 and the lowermost rope steady rest 4 is buffered, so that unpleasant noise and vibration can be prevented. Next, when the car 2 further rises, the intermediate rope steady rest 5 is placed on the top of the car 2, that is, on the bottom of the bottom rope steady rest 4 as shown in FIG. 5. Then, as the car 2 further rises, the uppermost rope steady rest 6 is placed on the top of the car 2 so as to overlap the intermediate rope steady rest 5.

  According to this embodiment comprised in this way, the engaging parts 4a-6a and cradles 7-9 of the rope steadying bodies 4-6 used as a pair can be replaced with the engaging parts and the pedestals of other rope steadying bodies. Since a plurality of rope steadying bodies 4 to 6 can be arranged at predetermined positions in the hoistway 1 in synchronization with the raising and lowering of the car 2, the installation cost can be reduced. And the space occupied by the apparatus can be minimized. In addition, since the main rope 3 is restrained from shaking by the plurality of rope steadying bodies 4 to 6, it is possible to cope with an elevator with a long lifting distance, and damage and failure of the equipment accompanying the shaking of the main rope 3 are prevented. Can be prevented.

  In the present embodiment, the width of the rope steady rests 4 to 6 are different from each other, and are equal to the interval dimensions L1 to L3 set in the engaging portions 4a to 6a provided to the rope steady rests 4 to 6, respectively. The invention is not limited to this, and the shape of the plurality of rope steady rests is the same, and the distance between the engaging portions provided in each rope steady rest is different from that of the other rope steady rests. You may make it set to a space | interval dimension. Further, in this embodiment, the number of rope steady rests is three, that is, the bottom rope steady rest 4, the intermediate rope steady rest 5, and the top rope steady rest 6; however, the number is arbitrary according to the elevator lifting distance. It goes without saying that the number can be changed.

FIG. 1 is a schematic configuration diagram showing an embodiment of a main rope steadying device for an elevator according to the present invention. It is a top view which shows a lowest rope steadying body and follows the AA line of FIG. It is a top view which shows an intermediate rope steadying body and follows the BB line of FIG. It is a top view which shows the uppermost rope steadying body and follows the CC line of FIG. It is a cross-sectional view of the hoistway showing the arrangement state of the cradle. It is a schematic block diagram which shows the state which the passenger car was located under the hoistway. It is a schematic block diagram which shows the state which the passenger car was located above the hoistway.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Hoistway 1a Hoistway wall 2 Car cage 3 Main rope 4-6 Rope steadying body 4a-6a Engagement part 4b-6b Insertion hole 7-9 Receptacle 10-21 Buffer material

Claims (3)

A rope steadying body that is placed on the upper part of the car that moves up and down the hoistway and through which the main rope for elevators is inserted, and a receiver that is disposed on the hoistway side and can support the rope steadying body at a predetermined position. In the elevator main rope steady rest device equipped with multiple stands,
The engaging portion that is provided on the rope steady-stop body and engages with the cradle is disposed in a horizontal direction with a spacing dimension different from the engaging portion of the other rope steady-stop body, and the cradle is A main rope steadying device for an elevator, which is disposed at a position capable of facing the corresponding engaging portion of the rope steadying body.   2. The shock absorber according to claim 1, further comprising a cushioning material interposed between the rope resting body and the rope resting body adjacent to each other and between the rope resting bodies adjacent to each other to cushion an impact at the time of collision. Elevator main rope steady rest device. The main rope steadying device for an elevator according to claim 1, further comprising a cushioning material interposed between the rope steadying member and the cradle and buffering an impact at the time of collision.

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