JP2007284224A - Elevator device - Google Patents

Elevator device Download PDF

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Publication number
JP2007284224A
JP2007284224A JP2006115663A JP2006115663A JP2007284224A JP 2007284224 A JP2007284224 A JP 2007284224A JP 2006115663 A JP2006115663 A JP 2006115663A JP 2006115663 A JP2006115663 A JP 2006115663A JP 2007284224 A JP2007284224 A JP 2007284224A
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Japan
Prior art keywords
sheave
diameter
car
main rope
counterweight
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Pending
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JP2006115663A
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Japanese (ja)
Inventor
Tomofumi Hagitani
知文 萩谷
Katsunori Nishino
克典 西野
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Hitachi Ltd
Hitachi Mito Engineering Co Ltd
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Hitachi Ltd
Hitachi Mito Engineering Co Ltd
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Application filed by Hitachi Ltd, Hitachi Mito Engineering Co Ltd filed Critical Hitachi Ltd
Priority to JP2006115663A priority Critical patent/JP2007284224A/en
Priority to CN2007800138700A priority patent/CN101426709B/en
Priority to PCT/JP2007/057977 priority patent/WO2007123034A1/en
Publication of JP2007284224A publication Critical patent/JP2007284224A/en
Priority to HK09107507.2A priority patent/HK1128276A1/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0065—Roping
    • B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave

Abstract

<P>PROBLEM TO BE SOLVED: To provide an elevator device capable of suppressing reduction of the service life of a main rope even when diameter of a driving sheave is reduced. <P>SOLUTION: In this elevator device using a hoisting machine 10 having the driving sheave 9 having diameter 29 or less times as large as that of the main rope 5 and provided with sheaves 7a, 7b, 12a at least in a car 1 and on a balance weight 2, diameter of the sheaves 7a, 7b, 12b provided in the car 1 and on the balance weight 2 is set to be larger than the diameter of the driving sheave 9. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、昇降路内を上下に昇降するかごを備えたエレベーター装置に関する。   The present invention relates to an elevator apparatus including a car that moves up and down in a hoistway.

従来、かごとつり合おもりが主索によって連結され、主索が方向転換綱車やかご及びつり合おもりの綱車を介して駆動シーブに巻き掛けられ、この駆動シーブを駆動させることでかご及びつり合おもりを上下させるエレベーター装置では、摩擦駆動による主索へのダメージを軽減させることや屈曲抵抗の低減のため、駆動シーブ及び綱車の直径を、主索直径の４０倍以上にすることが一般的であったが、最近では屈曲性能を向上させたアラミドやケプラー等の合成繊維を使用したものや、長寿命化のために鋼線とウレタン樹脂などを組み合わせた主索等が考案され、駆動シーブや綱車の直径を主索直径の３０倍以下にしても主索の延命が図られたものや屈曲性能が向上したものが作られるようになってきている。   Conventionally, a car and a counterweight are connected by a main rope, and the main rope is wound around a drive sheave via a turn sheave, a cage and a counterweight sheave, and driving the drive sheave In an elevator device that raises and lowers the counterweight, the diameter of the drive sheave and sheave can be 40 times larger than the diameter of the main rope in order to reduce damage to the main rope due to friction drive and to reduce bending resistance. Although it was common, recently, those using synthetic fibers such as aramid and kepler with improved bending performance, and main ropes combining steel wire and urethane resin etc. were devised for long life, Even if the diameter of the drive sheave or sheave is less than 30 times the diameter of the main rope, the one in which the life of the main rope is extended or the one having improved bending performance is being made.

しかし、延命を目的に作られた主索には柔軟性が欠けるものや、柔軟性を目的に作られた主索には寿命が短命になるものがあり、それらの欠点を補う必要が求められている。   However, some main ropes designed to prolong life lack flexibility, and some main ropes designed for flexibility have a short life span, and it is necessary to compensate for these shortcomings. ing.

この問題の一解決手段として、駆動シーブの小直径化のために駆動シーブへの主索の巻きかけ角度を増やして駆動力を得ると同時に、大きなそらせ車は好ましくないことから、そらせ車を駆動シーブと同等に小さくするものが提案されている（例えば、特許文献１参照）。
実開昭５８−１１７４７６号公報 One solution to this problem is to increase the winding angle of the main rope around the drive sheave in order to reduce the diameter of the drive sheave and obtain driving force. A device that is as small as a sheave has been proposed (see, for example, Patent Document 1).
Japanese Utility Model Publication No. 58-117476

上記提案された従来技術においては、駆動シーブのみを小さくするものであり、エレベーター全体の性能向上を考慮したものとはなっていなかった。   In the proposed prior art described above, only the drive sheave is reduced, and the improvement in the performance of the entire elevator is not considered.

本発明の目的は、駆動シーブを小径化した場合でも、主索の寿命低下をできるだけ抑えることのできるエレベーター装置を提供するにある。   An object of the present invention is to provide an elevator apparatus that can suppress a decrease in the life of a main rope as much as possible even when the diameter of a drive sheave is reduced.

本発明は上記目的を達成するため、主索直径の２９倍以下の直径からなる駆動シーブを有する巻上機を使用すると共に、少なくともかご及びつり合いおもりに綱車を備えエレベーター装置において、前記かご及びつり合いおもりに設けられた綱車の直径を、前記駆動シーブの直径より大きくしたことを特徴とする。   In order to achieve the above object, the present invention uses a hoisting machine having a drive sheave having a diameter of 29 times or less of the main rope diameter, and includes at least a car and a counterweight with a sheave. The diameter of the sheave provided on the counterweight is larger than the diameter of the drive sheave.

このように構成したことにより、主索への曲げ応力や主索の屈曲抵抗が低減できることから、主索の延命効果や省エネルギー効果が期待できると共に、駆動シーブの小径化により巻上機の小型化が達成できることで空間が有効に活用でき、巻上機の設置裕度や保守性の向上をも期待できる。   With this configuration, the bending stress to the main rope and the bending resistance of the main rope can be reduced, so the life extension effect and energy saving effect of the main rope can be expected, and the hoisting machine can be downsized by reducing the diameter of the drive sheave. Can be used effectively, and can be expected to improve the installation margin and maintainability of the hoisting machine.

本発明によれば、かご及びつり合おもりの綱車の直径を駆動シーブの直径より大きくしたため、主索への曲げ応力や主索の屈曲抵抗を低減でき、この結果、主索の延命効果や省エネルギー効果が期待できると共に、駆動シーブの小径化により巻上機の小型化が達成できることで空間が有効に活用でき、巻上機の設置裕度や保守性の向上をも期待できる。   According to the present invention, the diameter of the sheave of the car and the counterweight is made larger than the diameter of the drive sheave, so that the bending stress to the main rope and the bending resistance of the main rope can be reduced. The energy saving effect can be expected, and the size of the hoisting machine can be reduced by reducing the diameter of the drive sheave, so that the space can be effectively utilized, and the hoisting machine installation tolerance and maintainability can also be expected.

以下、本発明の実施の形態を図に基いて説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

図１は本発明のエレベーター装置の一実施形態を示す斜視図、図２は図１を上方から見た平面図、図３は本発明のエレベーター装置の他の実施形態を示す斜視図、図４は図３を上方から見た平面図、図５は本発明のエレベーター装置の更に他の実施形態を示す斜視図、図６は図５を上方から見た平面図である。   1 is a perspective view showing an embodiment of the elevator apparatus of the present invention, FIG. 2 is a plan view of FIG. 1 viewed from above, FIG. 3 is a perspective view showing another embodiment of the elevator apparatus of the present invention, FIG. Fig. 5 is a plan view of Fig. 3 as viewed from above, Fig. 5 is a perspective view of still another embodiment of the elevator apparatus of the present invention, and Fig. 6 is a plan view of Fig. 5 as viewed from above.

図１において、かご１の側方上部にかご側主索止め３が設置され、主索５は前記かご側主索止め３から下方に伸び、かご綱車７aからもう一つのかご綱車７bを経て、かご１の上部に設置された駆動シーブ９に至り、前記主索５はこの駆動シーブ９に約１８０度巻き掛けられて再び下方に伸び、つり合おもり２に取り付けられたつり合おもり綱車１２aを経由し、上方のつり合おもり側主索止め１４に至るように構成したものである。   In FIG. 1, a car side main clasp 3 is installed on the side upper part of the car 1, the main rope 5 extends downward from the car side main clasp 3, and another car sheave 7b is moved from the car sheave 7a. After that, the driving sheave 9 installed on the upper part of the car 1 is reached, and the main rope 5 is wound around the driving sheave 9 by about 180 degrees and extends downward again, and the counterweight is attached to the counterweight 2. It is configured so as to reach the upper counterweight side main clasp 14 via the vehicle 12a.

図２を用いて本発明の全体配置を説明すると、胴長巻上機１０をかご１の上方に配置し、かご１とつり合おもり２とを連結するための方向転換綱車を使用しない例を示しており、つり合いおもり２をかご１の側部に設置したものである。ここで、例えば鋼線に樹脂被覆を施した主索５を用いた時、駆動シーブ９と主索５間の摩擦係数が樹脂被覆を伴わない鋼線のみの主索を使用した場合と比較すると向上するため、駆動シーブ９の直径を小さく、結果として巻上機１０を小型化することが可能となる。しかし、駆動シーブ９の直径を小さくすると主索５への局部応力が増加するため、前述の樹脂被覆された主索５の延命を図るべく樹脂の硬度を増すなどの対応が必要になる。この樹脂の硬度を増した主索５を使用することで駆動シーブ９の小径化が可能となり、同時に必要な駆動トルクや制動トルクが小さくなるため機器の小型化も実現でき、巻上機１０の小型化により巻上機１０周囲の空間が大きくなることで保全性が高まることになる。   The overall arrangement of the present invention will be described with reference to FIG. 2. An example in which the trunk hoisting machine 10 is arranged above the car 1 and the direction change sheave for connecting the car 1 and the counterweight 2 is not used. The counterweight 2 is installed on the side of the car 1. Here, for example, when using the main rope 5 in which the steel wire is coated with the resin, the friction coefficient between the drive sheave 9 and the main rope 5 is compared with the case where the main rope only using the steel wire without the resin coating is used. In order to improve, the diameter of the drive sheave 9 can be reduced, and as a result, the hoisting machine 10 can be reduced in size. However, when the diameter of the drive sheave 9 is reduced, the local stress on the main rope 5 increases, so that it is necessary to take measures such as increasing the hardness of the resin in order to extend the life of the resin-coated main rope 5. By using the main rope 5 with the increased hardness of the resin, the diameter of the drive sheave 9 can be reduced, and at the same time, the required driving torque and braking torque are reduced, so that the equipment can be downsized. As a result of the downsizing, the space around the hoisting machine 10 is increased, so that the maintainability is improved.

一方、かご綱車７a、７bやつり合おもり綱車１２aも小型化してしまうと、綱車７a、７b及びつり合おもり綱車１２aへ主索５が巻きつくための屈曲抵抗が大きくなり、エレベーターの走行損失が増大してしまうことになる。また、かご綱車７a、７b及びつり合おもり綱車１２aを小径化すると主索の局部応力が増大するため、主索５の寿命の低下につながることになる。そこで、駆動シーブ９に対し、かご綱車７a、７b及び/又はつり合おもり綱車１２aを必要に応じて大きくして屈曲抵抗や主索の寿命を許容範囲内にすることで、エレベーターの全体構成を大きく変えることなく、空間への巻上機１０の設置効率を高めることができる。   On the other hand, if the car sheaves 7a, 7b and the counterweight sheaves 12a are also reduced in size, the bending resistance for winding the main rope 5 around the sheaves 7a, 7b and the counterweight sheaves 12a increases, and the elevator The running loss of the vehicle will increase. Further, when the car sheaves 7a and 7b and the counterweight sheave 12a are reduced in diameter, the local stress of the main rope increases, leading to a reduction in the life of the main rope 5. Therefore, the car sheaves 7a, 7b and / or the counterweight sheaves 12a are made larger as necessary with respect to the drive sheave 9 so that the bending resistance and the life of the main rope are within an allowable range, so that the entire elevator is improved. The installation efficiency of the hoisting machine 10 in the space can be increased without greatly changing the configuration.

この時、綱車の直径を駆動シーブ９の直径より大きくすることで目的を達成できるが、できるならば、綱車の直径を駆動シーブの直径の１．５倍とすることにより、より安定した主索の寿命向上を図ることができる。   At this time, the object can be achieved by making the diameter of the sheave larger than the diameter of the drive sheave 9, but if possible, the diameter of the sheave can be made more stable by 1.5 times the diameter of the drive sheave. The life of the main rope can be improved.

また、駆動シーブ９の直径を、主索５の２９倍以下としたが、１６〜２９倍以下が最適である。なぜなら、１６倍以下では、局部抵抗が増大し、寿命低下を期待できなくなるためである。   The diameter of the drive sheave 9 is 29 times or less that of the main rope 5, but 16 to 29 times or less is optimal. This is because if it is 16 times or less, the local resistance increases, and it is impossible to expect a reduction in life.

更に、主索５として、樹脂被覆されたワイヤロープ或いはケプラーやアラミド樹脂を用いるなら屈曲性を増すことができ、駆動シーブ９の直径を主索５の２９倍以下とすることが極めて容易になる。   Furthermore, if a resin-coated wire rope or Kepler or aramid resin is used as the main rope 5, the flexibility can be increased, and the diameter of the drive sheave 9 can be extremely easily reduced to 29 times or less than the main rope 5. .

次に、図３、図４に用いて他の実施形態について説明する。図３において、かご１の側方上部にかご側主索止め３が設置され、主索５は前記かご側主索止め３から下方に伸び、かご綱車７aからもう一つのかご綱車７bを経て、かご１の上部に設置されたかご側方向転換綱車８a、８bを経由し再び下方に伸びて駆動シーブ９に至り、前記主索５はこの駆動シーブ９に約１８０度巻き掛けられて上方のつり合おもり側方向転換綱車１１にから下方のつり合おもり２に設置されたつり合おもり綱車１２a、１２bへと向かい、最後に上方のつり合おもり側主索止め１４に至るように構成されたものである。   Next, another embodiment will be described with reference to FIGS. In FIG. 3, a car side main clasp 3 is installed on the upper side of the car 1, the main rope 5 extends downward from the car side main clasp 3, and another car sheave 7b is connected to the car sheave 7a. After that, it passes through the car side direction change sheaves 8a and 8b installed at the upper part of the car 1 and extends downward again to the driving sheave 9, and the main rope 5 is wound around the driving sheave 9 by about 180 degrees. From the upper counterweight side change sheave 11 to the counterweight sheaves 12a, 12b installed on the lower counterweight 2, and finally to the upper counterweight side main clasp 14 It is composed of.

図４において、図２との相違点は、かご１と駆動シーブ９の間にかご側方向転換綱車８a、８bを配したことと薄型の巻上機１０Ａを昇降路下方に設置したこと、駆動シーブ９とつり合おもり２との間につり合おもり側方向転換綱車１１を配し、つり合おもり綱車に２個の綱車１２a、１２bを設けたことにより、つり合いおもり２をかご１の後方に設置した点である。   4, the difference from FIG. 2 is that the car side direction change sheaves 8a and 8b are arranged between the car 1 and the drive sheave 9, and that the thin hoisting machine 10A is installed below the hoistway. A counterweight side change sheave 11 is arranged between the drive sheave 9 and the counterweight 2, and two sheaves 12 a, 12 b are provided on the counterweight sheave so that the counterweight 2 can be moved. It is the point installed behind 1.

このように構成することで、つり合おもり２の配置の裕度が増し、昇降路への設置効率を向上させることが可能となるが、前記図１，２の実施形態と比較し綱車の数が増大するため、屈曲抵抗や主索の寿命の問題が顕著になる。そこで、図３，４の実施形態においては、少なくとも前記かご１とつり合おもり２の綱車７a，７b，１２a，１２b の全てと他の方向転換綱車８a、８b、１１の全て又は過半数の直径を駆動シーブの直径より大きな直径にすることで、図１，２に示す実施形態と同様の効果が期待できる。   By configuring in this way, the tolerance of the arrangement of the counterweight 2 is increased, and it becomes possible to improve the installation efficiency in the hoistway, but compared with the embodiment of FIGS. As the number increases, the problems of bending resistance and main rope life become prominent. Therefore, in the embodiment of FIGS. 3 and 4, at least all of the sheaves 7a, 7b, 12a, 12b of the counterweight 2 and the other weight change sheaves 8a, 8b, 11 or the majority of the sheaves 7a, 7b, 12a, 12b. By making the diameter larger than the diameter of the drive sheave, the same effect as the embodiment shown in FIGS.

次に、図５、図６に用いて更に他の実施形態について説明する。図５において、 主索５が、かご１の床部に設置されたかご主索止め３から主索返し車４を経由して上方に伸び、かご上部方向転換綱車６a、６bからかご１天井部のかご綱車７aを経て、かご１の上部に設置されたかご側方向転換綱車８aから駆動シーブ９に伸び、前記主索５はこの駆動シーブに巻き掛けられた後に下方のつり合おもり２に設けられたつり合おもり綱車１２aを経て再び昇降路上部のつり合おもり側綱車１３へと向かい、最後につり合おもり２のつり合おもり側綱止め１４へと至るよう構成したものである。   Next, still another embodiment will be described with reference to FIGS. In FIG. 5, the main rope 5 extends upward from the car main rope stopper 3 installed on the floor of the car 1 via the main rope return wheel 4, and the car 1 ceiling from the car upper turning sheaves 6 a and 6 b. After passing through the car sheave 7a, the car side direction change sheave 8a installed on the upper part of the car 1 extends to the drive sheave 9, and the main rope 5 is wound around the drive sheave and then the lower counterweight. 2 through the counterweight sheave 12a provided at 2 and again to the counterweight sheave 13 at the upper part of the hoistway, and finally to the counterweight side counter 14 of the counterweight 2 It is.

図６において、図４では主索の掛けかたであるローピングが２：１であるのに対し、ローピングを３：１とし胴長の巻上機１０をかご１の上方に設置した点が図４と大きく異なる点である。このように構成することで、駆動シーブ９の直径が図４と同じ場合においても、駆動トルクや制動トルクを低減できることから、更に小さな巻上機とすることが可能となる。このようにエレベーターの構成は多数あるが、何れの場合においても、駆動シーブ以外の綱車を前述する条件で駆動シーブの直径より大きくすることにより、先の実施形態と同様の効果を期待することができる。   In FIG. 6, in FIG. 4, roping, which is a method of hanging the main rope, is 2: 1, whereas the roping is 3: 1 and the hoisting machine 10 having a trunk length is installed above the car 1. This is a very different point. With this configuration, even when the diameter of the drive sheave 9 is the same as that in FIG. 4, the drive torque and the braking torque can be reduced, so that a smaller hoisting machine can be achieved. Thus, although there are many elevator configurations, in any case, expect the same effect as the previous embodiment by making the sheave other than the drive sheave larger than the diameter of the drive sheave under the conditions described above. Can do.

本発明のエレベーター装置の一実施形態を示す斜視図である。It is a perspective view which shows one Embodiment of the elevator apparatus of this invention. 図１を上方から見た平面図である。It is the top view which looked at FIG. 1 from upper direction. 本発明のエレベーター装置の他の実施形態を示す斜視図である。It is a perspective view which shows other embodiment of the elevator apparatus of this invention. 図３を上方から見た平面図である。FIG. 4 is a plan view of FIG. 3 viewed from above. 本発明のエレベーター装置の更に他の実施形態を示す斜視図である。It is a perspective view which shows other embodiment of the elevator apparatus of this invention. 図５を上方から見た平面図である。FIG. 6 is a plan view of FIG. 5 viewed from above.

符号の説明Explanation of symbols

１ かご
２ つり合おもり
３ かご側主索止め
４ 主索返し車
５ 主索
６a、６b かご上部方向転換綱車
７a、７b かご綱車
８a、８b かご側方向転換綱車
９ 駆動シーブ
１０ 胴長巻上機
１０Ａ 薄型巻上機
１１ つり合おもり側方向転換綱車
１２a、１２b つり合いおもり綱車
１３ つり合いおもり上部方向転換綱車
１４ つり合いおもり側主索止め
１５a、１５b かご用ガイドレール
１６a、１６b つり合おもり用ガイドレール DESCRIPTION OF SYMBOLS 1 Car 2 Balance weight 3 Car side main rope stopper 4 Main rope return wheel 5 Main rope 6a, 6b Car upper direction change sheave 7a, 7b Car sheave
8a, 8b Car side direction change sheave 9 Driving sheave 10 Body length hoisting machine 10A Thin hoisting machine 11 Counterweight side direction change sheave 12a, 12b Counterweight sheave 13 Counterweight upper direction change sheave 14 Counterweight Side main clasp 15a, 15b Car guide rail 16a, 16b Counterweight guide rail

Claims (5)

主索直径の２９倍以下の直径からなる駆動シーブを有する巻上機を使用すると共に、少なくともかご及びつり合いおもりに綱車を備えたエレベーター装置において、
前記かご及びつり合いおもりに設けられた綱車の直径を、前記駆動シーブの直径より大きくしたことを特徴とするエレベーター装置。 In an elevator apparatus using a hoisting machine having a drive sheave having a diameter of 29 times or less of the main rope diameter, and having a sheave on at least a car and a counterweight,
An elevator apparatus characterized in that a diameter of a sheave provided on the car and the counterweight is larger than a diameter of the drive sheave. 前記綱車の直径を、前記駆動シーブの直径の１．５倍以上としたことを特徴とする請求項１記載のエレベーター装置。   The elevator apparatus according to claim 1, wherein a diameter of the sheave is 1.5 times or more of a diameter of the drive sheave. 前記巻上機を薄型巻上機として昇降路内に配置したことを特徴とする請求項１記載のエレベーター装置。   The elevator apparatus according to claim 1, wherein the hoisting machine is disposed in a hoistway as a thin hoisting machine. 前記巻上機を胴長巻上機として昇降路内に配置したことを特徴とする請求項１記載のエレベーター装置。   The elevator apparatus according to claim 1, wherein the hoisting machine is disposed in a hoistway as a trunk hoisting machine. 前記主索として、樹脂被覆されたワイヤロープ或いはケプラーやアラミド樹脂を用いたことを特徴とする請求項１記載のエレベーター装置。

The elevator apparatus according to claim 1, wherein a resin-coated wire rope, Kepler or aramid resin is used as the main rope.

JP2006115663A 2006-04-19 2006-04-19 Elevator device Pending JP2007284224A (en)

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PCT/JP2007/057977 WO2007123034A1 (en) 2006-04-19 2007-04-11 Elevator device
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WO2011045215A1 (en) * 2009-10-14 2011-04-21 Inventio Ag Elevator system and suspension for such a system

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JP5235577B2 (en) * 2008-09-19 2013-07-10 三菱電機株式会社 Elevator equipment
JP6171551B2 (en) * 2013-05-17 2017-08-02 Ｊｆｅスチール株式会社 Crane hoisting device
CN113291951B (en) * 2021-04-28 2022-12-06 韦伯电梯有限公司 Multi-winding composite traction elevator and adjusting method

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JP2001262482A (en) * 2000-03-15 2001-09-26 Hitachi Ltd Wire rope and elevator by using the same
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010072690A1 (en) * 2008-12-22 2010-07-01 Inventio Ag Elevator support means, manufacturing method for said support means and elevator system comprising said elevator support means
CN102264623A (en) * 2008-12-22 2011-11-30 因温特奥股份公司 Elevator support means, manufacturing method for said support means and elevator system comprising said elevator support means
WO2011045215A1 (en) * 2009-10-14 2011-04-21 Inventio Ag Elevator system and suspension for such a system

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