JP5091688B2 - Elevator equipment - Google Patents

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JP5091688B2
JP5091688B2 JP2008002250A JP2008002250A JP5091688B2 JP 5091688 B2 JP5091688 B2 JP 5091688B2 JP 2008002250 A JP2008002250 A JP 2008002250A JP 2008002250 A JP2008002250 A JP 2008002250A JP 5091688 B2 JP5091688 B2 JP 5091688B2
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elevator
car
hoistway
main rope
hoisting machine
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JP2009161336A (en
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慶広 戸丸
知文 萩谷
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Hitachi Ltd
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Description

本発明は、１つの巻上機で２つの乗かごを昇降させるエレベータ装置に関する。   The present invention relates to an elevator apparatus that raises and lowers two passenger cars with one hoisting machine.

従来、１つの巻上機で２つの乗かごを昇降させるエレベータ装置にあっては、一方の昇降路の上部に機械室を設け、その機械室内に１台の巻上機を設置するとともに、その巻上機の両端に乗かごをそれぞれ配置し、これら２つの乗かごに巻上機に巻き掛けられる主索を連結させて駆動するようになっている。即ち、機械室を有さない側の昇降路最上部に主索ガイド用プーリを配置することで、２つの乗かごを１つの巻上機で駆動可能としたエレベータ装置を構成している。また、これら２つの乗かごは、それぞれ主索にて１：１のローピング比率で支持されており、主索の長さを調節することで様々な昇降行程の建屋に対応している（例えば、特許文献１参照）。
米国特許第００３−２２１１７３号(図３) Conventionally, in an elevator apparatus that raises and lowers two passenger cars with one hoisting machine, a machine room is provided in the upper part of one hoistway, and one hoisting machine is installed in the machine room. A car is arranged at each end of the hoisting machine, and a main rope wound around the hoisting machine is connected to and driven by these two cargos. That is, an elevator apparatus is configured in which two main cars can be driven by one hoisting machine by disposing a main rope guide pulley at the top of the hoistway on the side having no machine room. These two cars are supported by the main ropes at a roping ratio of 1: 1, and can accommodate buildings with various lifting strokes by adjusting the length of the main rope (for example, Patent Document 1).
U.S. Pat. No. 003-221173 (FIG. 3)

しかしながら、従来のエレベータ装置では、２つの乗かごを駆動する巻上機を設置するため、昇降路の上部に機械室を設ける必要があった。   However, in the conventional elevator apparatus, since a hoisting machine that drives two passenger cars is installed, it is necessary to provide a machine room above the hoistway.

また、それぞれの乗かごは主索にて１：１のローピング比率で支持されているため、２つのエレベータの昇降行程は常に等しくなり、適用可能な建屋の条件が限定されていた。   In addition, since each car is supported by a main rope at a roping ratio of 1: 1, the lifts of the two elevators are always equal, and applicable building conditions are limited.

本発明は、前述した従来技術における実状からなされたもので、その目的は、昇降路の上部に機械室を要することがなく、かつ、エレベータの昇降行程に自由度をもたせることのできるエレベータ装置を提供することにある。   The present invention has been made from the above-described prior art, and an object of the present invention is to provide an elevator apparatus that does not require a machine room in the upper part of the hoistway and can provide a degree of freedom in the elevator hoisting process. It is to provide.

前記目的を達成するために、本発明は、建屋に形成される第１の昇降路、及びこの第１の昇降路を昇降する第１の乗かごを有する第１のエレベータと、前記第１の昇降路と平行して建屋に形成される第２の昇降路、及びこの第２の昇降路を昇降する第２の乗かごを有する第２のエレベータと、前記第１の乗かご及び前記第２の乗かごに係合される主索と、この主索が巻き掛けられる駆動シーブを有する巻上機とを備えたエレベータ装置において、前記巻上機の鉛直投影が、前記第１の乗かごの鉛直投影と前記第２の乗かごの鉛直投影との間に位置するとともに、前記第１の昇降路及び前記第２の昇降路は、一部が重なるように段違いに形成され、かつ、前記巻上機は、最上階に位置した低層側エレベータの乗かご上端より低い高さ位置に設置され、低層側エレベータの乗かごが最上階に位置する時、高層側エレベータの乗かごが最下階に位置するように構成したことを特徴としている。 To achieve the above object, the present onset Ming, a first elevator having a first elevation path formed building, and the first passenger cage for lifting the first hoistway, the first A second elevator having a second elevator formed in the building in parallel with the elevator shaft, a second elevator that raises and lowers the second elevator, and the first elevator and the first elevator In an elevator apparatus comprising a main rope engaged with a car 2 and a hoisting machine having a drive sheave around which the main rope is wound, the vertical projection of the hoisting machine is the first car And the first hoistway and the second hoistway are formed in steps so as to partially overlap, and the vertical projection of the second car and the vertical projection of the second car The hoisting machine is installed at a lower height than the upper end of the elevator car on the lower floor elevator on the top floor. Is, when the passenger cage of low-side elevator is located on the top floor, the passenger cage of tall side elevator is characterized by being configured to be positioned at the lowermost floor.

このように構成した本発明では、巻上機の鉛直投影を、第１の乗かごの鉛直投影と第２の乗かごの鉛直投影との間に位置させることにより、昇降路の上部に機械室を設けることなく巻上機を設置することができる。また、第１の昇降路及び第２の昇降路を一部が重なるように段違いに形成し、巻上機を、第１の乗かごの鉛直投影と第２の乗かごの鉛直投影との間で、かつ、最上階に位置した低層側エレベータの乗かご上端より低い高さ位置に設置する。これにより、第１のエレベータ及び第２のエレベータでそれぞれ異なる階層間をサービスすることが可能となる。 In thus constituted present onset bright, the vertical projection of the hoisting machine, by positioning between the vertical projection of the first passenger cage vertical projection and the second passenger cage, the upper part of the hoistway The hoisting machine can be installed without providing a machine room. Further, the first hoistway and the second hoistway are formed in steps so as to partially overlap, and the hoisting machine is provided between the vertical projection of the first car and the vertical projection of the second car. In addition, it is installed at a height lower than the upper end of the passenger car of the low-rise elevator located on the top floor. Thereby, it becomes possible to service between different hierarchies in the first elevator and the second elevator.

また、本発明では、前記第１のエレベータの前記主索のローピング比率と、前記第２のエレベータの前記主索のローピング比率とを異なるものとしたことを特徴としている。 Further, in this onset bright, and wherein the roping ratio of the main ropes of the first elevator, was the roping ratio of the main ropes of the second elevator different.

このように構成した本発明では、第１のエレベータの主索のローピング比率と、第２のエレベータの主索のローピング比率とを異なるものとすることで、第１のエレベータの昇降行程と第２のエレベータの昇降行程とを異なるものとすることができる。 In the configuration was the onset bright Thus, the roping ratios of the main ropes of the first elevator, With the roping ratio of main ropes of the second elevator different, a lifting stroke of the first elevator The lifting / lowering stroke of the second elevator can be different.

本発明によれば、１つの巻上機で２つの乗かごを昇降させるエレベータ装置にあって、昇降路の上部に機械室を設けることなく巻上機を設置することができ、これにより、高さ方向に制限のある建屋にも当該エレベータ装置を設置することが可能となる。   According to the present invention, in an elevator apparatus that raises and lowers two passenger cars with one hoisting machine, the hoisting machine can be installed without providing a machine room above the hoistway. It is possible to install the elevator apparatus in a building with a limited direction.

また、第１のエレベータの昇降行程と第２のエレベータの昇降行程とを異なるものとすることにより、エレベータの設計自由度を増し、ひいては顧客のニーズにより応じることができる。   Further, by making the lifting / lowering stroke of the first elevator different from the lifting / lowering stroke of the second elevator, it is possible to increase the design freedom of the elevator and to meet the customer's needs.

以下、本発明のエレベータ装置に係る実施の形態を図に基づいて説明する。   DESCRIPTION OF EMBODIMENTS Hereinafter, an embodiment according to an elevator apparatus of the present invention will be described with reference to the drawings.

図１は本発明のエレベータ装置に係る一実施形態を示す全体構成図、図２は本エレベータ装置の平面図である。   FIG. 1 is an overall configuration diagram showing an embodiment of an elevator apparatus according to the present invention, and FIG. 2 is a plan view of the elevator apparatus.

本実施形態のエレベータ装置は、図１に示すように、建屋に形成される第１の昇降路１、及びこの第１の昇降路１を昇降する第１の乗かご２を有する第１のエレベータＡと、第１の昇降路１と平行しかつ一部が重なるように段違いに建屋に形成される第２の昇降路３、及びこの第２の昇降路３を昇降する第２の乗かご４を有する第２のエレベータＢと、第１の乗かご２及び第２の乗かご４に係合される主索５と、この主索５が巻き掛けられる駆動シーブ６ａを有する巻上機６とを備え、第１のエレベータＡが低層側エレベータ、第２のエレベータＢが高層側エレベータとなり、第１のエレベータＡの最上階と第２のエレベータＢの最下階とが同一階床となっている。   As shown in FIG. 1, the elevator apparatus according to the present embodiment includes a first elevator 1 formed in a building, and a first elevator 2 having a first elevator 2 that raises and lowers the first elevator 1. A, a second hoistway 3 formed in the building so as to be parallel to the first hoistway 1 and partially overlapped with the first hoistway 1, and a second car 4 that elevates and lowers the second hoistway 3 A second elevator B, a main rope 5 engaged with the first car 2 and the second car 4, and a hoisting machine 6 having a drive sheave 6a around which the main rope 5 is wound. The first elevator A is a low-rise elevator, the second elevator B is a high-rise elevator, and the uppermost floor of the first elevator A and the lowermost floor of the second elevator B are the same floor. Yes.

そして、前述した巻上機６は、図２に示すように、その鉛直投影が、第１の乗かごの鉛直投影と第２の乗かごの鉛直投影との間に位置にあって重ならないように配置されるとともに、図１に示すように、最上階に位置した低層側エレベータ、即ち第１のエレベータＡの乗かご２上端より低い高さ位置に設置される。なお、巻上機６は図示しない固定台座に支持されて所定位置に設置されている。   As shown in FIG. 2, the hoisting machine 6 described above is positioned so that its vertical projection is located between the vertical projection of the first car and the vertical projection of the second car so that they do not overlap. As shown in FIG. 1, the elevator is installed at a height lower than the upper end of the car 2 of the first elevator A, that is, the lower elevator located on the uppermost floor. The hoisting machine 6 is supported at a fixed base (not shown) and is installed at a predetermined position.

また、第１のエレベータＡには、第１の昇降路１の頂部に設けられ、主索５の一端が固定されるロープヒッチ７と、第１の乗かご２下部に取付けられ、主索５が巻き掛けられるかご下プーリ８ａ、８ｂと、第１の昇降路１の頂部に設けられ、主索５が巻き掛けられるプーリ９とが備えられているとともに、第２のエレベータＢには、第２の昇降路３の頂部に併設され、主索５が巻き掛けられるプーリ１０ａ、１０ｂと、第２の乗かご４上部に取付けられ、主索５が巻き掛けられるかご上プーリ１１と、第２の昇降路３の頂部に併設され、主索５が巻き掛けられるプーリ１２ａ、１２ｂと、第２の乗かご４下部に設けれ、主索５の他端が固定されるロープヒッチ１３とが備えられている。したがって、主索５は、ロープヒッチ７から第１の乗かご２下部に設けられたかご下プーリ８ａ、８ｂを通り、第１の昇降路１頂部のプーリ９を経由して巻上機６の駆動シーブ６ａに至る。さらに、この主索５は折り返すように第２の昇降路３頂部に取付けられたプーリ１０ａ、１０ｂを経由して、第２の乗かご４上部に設けられたかご上プーリ１１に至る。その後、折り返すように第２の昇降路３頂部に設けられたプーリ１２ａ、１２ｂを通過し、次いで、第２の乗かご４とロープヒッチ１３で連結される。これにより、第１のエレベータＡにあって第１の乗かご２は主索５にて２：１のローピング比率で支持されるとともに、第２のエレベータＢにあって第２の乗かご４は主索５にて３：１のローピング比率で支持され、第１のエレベータＡの昇降行程Ａ１に対し第２のエレベータＢの昇降行程Ｂ１は約３割短くなる。   In addition, the first elevator A is provided at the top of the first hoistway 1 and is attached to a rope hitch 7 to which one end of the main rope 5 is fixed and a lower part of the first passenger car 2. Are provided at the top of the first hoistway 1 and a pulley 9 around which the main rope 5 is wound, and the second elevator B includes a first pulley 8a and 8b. Pulleys 10a and 10b, which are attached to the top of the hoistway 3 and wound around the main rope 5, and mounted on the upper portion of the second car 4, and the pulley 11 on the car around which the main rope 5 is wound, Provided on the top of the hoistway 3 and pulleys 12a and 12b around which the main rope 5 is wound, and a rope hitch 13 provided at the lower part of the second car 4 and to which the other end of the main rope 5 is fixed. It has been. Accordingly, the main rope 5 passes from the rope hitch 7 through the lower pulleys 8a and 8b provided in the lower part of the first car 2 and passes through the pulley 9 at the top of the first hoistway 1 to The drive sheave 6a is reached. Further, the main rope 5 reaches a car upper pulley 11 provided on the upper portion of the second car 4 via pulleys 10a and 10b attached to the top of the second hoistway 3 so as to be folded back. After that, it passes through pulleys 12 a and 12 b provided at the top of the second hoistway 3 so as to be folded, and is then connected to the second car 4 by the rope hitch 13. As a result, the first elevator car 2 in the first elevator A is supported by the main rope 5 at a roping ratio of 2: 1, and the second elevator car 4 in the second elevator B is The main rope 5 is supported at a roping ratio of 3: 1, and the lifting stroke B1 of the second elevator B is about 30% shorter than the lifting stroke A1 of the first elevator A.

本実施形態にあっては、図１で実線にて示すように、第１の乗かご２が第１のエレベータＡの最下階、第２の乗かご４が第２のエレベータＢの最上階にある状態から巻上機６を駆動し、図１で点線にて示すように、第１の乗かご２を第１のエレベータＡの最上階に位置させると、第２の乗かご４は第２のエレベータＢの最下階に位置する。そして、前述したように第１のエレベータＡの最上階と第２のエレベータＢの最下階とが同一階床となっていることから、第１のエレベータＡと第２のエレベータＢとの間で乗り継ぎが可能となる。   In the present embodiment, as shown by the solid line in FIG. 1, the first car 2 is the lowermost floor of the first elevator A, and the second car 4 is the uppermost floor of the second elevator B. When the hoisting machine 6 is driven and the first car 2 is positioned on the uppermost floor of the first elevator A as shown by the dotted line in FIG. 1, the second car 4 is Located on the lowest floor of the second elevator B. Since the uppermost floor of the first elevator A and the lowermost floor of the second elevator B are the same floor as described above, the space between the first elevator A and the second elevator B is the same. You can make a connection at.

本実施形態によれば、１つの巻上機６で２つの乗かご２、４を昇降させるエレベータ装置にあって、昇降路の上部に機械室を設けることなく巻上機６を設置することができ、これにより、高さ方向に制限のある建屋にも当該エレベータ装置を設置することが可能となる。また、第１のエレベータＡの主索５のローピング比率と、第２のエレベータＢの主索５のローピング比率とを異なるものとすることにより、第１のエレベータＡの昇降行程Ａ１と第２のエレベータＢの昇降行程Ｂ１とを異なるものとすることができ、これによって、エレベータの設計自由度を増し、ひいては顧客のニーズにより応じることができる。   According to the present embodiment, in the elevator apparatus that raises and lowers the two passenger cars 2 and 4 with one hoisting machine 6, the hoisting machine 6 can be installed without providing a machine room above the hoistway. This makes it possible to install the elevator apparatus in a building having a restriction in the height direction. Further, by making the roping ratio of the main rope 5 of the first elevator A different from the roping ratio of the main rope 5 of the second elevator B, the lifting / lowering stroke A1 of the first elevator A and the second The elevator B can be made different from the lifting stroke B1, thereby increasing the design freedom of the elevator and thus meeting the customer's needs.

なお、本実施形態では、第１のエレベータＡのローピング比率を２：１、第２のエレベータＢのローピング比率を３：１としたが、本発明はこれに限らず、建屋の施工条件に応じてその比率を任意に設定することができる。   In the present embodiment, the roping ratio of the first elevator A is 2: 1, and the roping ratio of the second elevator B is 3: 1. However, the present invention is not limited to this, depending on the construction conditions of the building. The ratio can be set arbitrarily.

本発明のエレベータ装置に係る一実施形態を示す全体構成図である。It is a whole lineblock diagram showing one embodiment concerning an elevator device of the present invention. 本エレベータ装置の平面図である。It is a top view of this elevator apparatus.

符号の説明Explanation of symbols

１ 第１の昇降路
２ 第１の乗かご
３ 第２の昇降路
４ 第２の乗かご
５ 主索
６ 巻上機
６ａ 駆動シーブ
７ ロープヒッチ
８ａ、８ｂ かご下プーリ
９ プーリ
１０ａ、１０ｂ プーリ
１１ かご上プーリ
１２ａ、１２ｂ プーリ
１３ ロープヒッチ
Ａ 第１のエレベータ
Ａ１ 第１のエレベータの昇降行程
Ｂ 第２のエレベータ
Ｂ１ 第２のエレベータの昇降行程 DESCRIPTION OF SYMBOLS 1 1st hoistway 2 1st passenger car 3 2nd hoistway 4 2nd passenger car 5 Main rope 6 Hoisting machine 6a Drive sheave 7 Rope hitch 8a, 8b Car lower pulley 9 Pulley 10a, 10b Pulley 11 Pulley on car 12a, 12b Pulley 13 Rope hitch A 1st elevator A1 Lifting process of 1st elevator B 2nd elevator B1 Lifting process of 2nd elevator

Claims (2)

建屋に形成される第１の昇降路、及びこの第１の昇降路を昇降する第１の乗かごを有する第１のエレベータと、前記第１の昇降路と平行して建屋に形成される第２の昇降路、及びこの第２の昇降路を昇降する第２の乗かごを有する第２のエレベータと、前記第１の乗かご及び前記第２の乗かごに係合される主索と、この主索が巻き掛けられる駆動シーブを有する巻上機とを備えたエレベータ装置において、
前記巻上機の鉛直投影が、前記第１の乗かごの鉛直投影と前記第２の乗かごの鉛直投影との間に位置するとともに、前記第１の昇降路及び前記第２の昇降路は、一部が重なるように段違いに形成され、かつ、前記巻上機は、最上階に位置した低層側エレベータの乗かご上端より低い高さ位置に設置され、低層側エレベータの乗かごが最上階に位置する時、高層側エレベータの乗かごが最下階に位置するように構成したことを特徴としたエレベータ装置。 A first elevator formed in the building, a first elevator having a first car that lifts and lowers the first hoistway, and a first elevator formed in the building parallel to the first hoistway. A second elevator having two hoistways and a second car that raises and lowers the second hoistway; a main rope engaged with the first car and the second car; In an elevator apparatus comprising a hoisting machine having a drive sheave around which the main rope is wound,
The vertical projection of the hoist is located between the vertical projection of the first car and the vertical projection of the second car, and the first hoistway and the second hoistway are And the hoisting machine is installed at a height lower than the upper end of the lower elevator elevator located on the uppermost floor, and the lower elevator elevator car is located on the uppermost floor. An elevator apparatus characterized in that the elevator car of the high-rise elevator is located on the lowest floor when located in the upper floor . 前記第１のエレベータの前記主索のローピング比率と、前記第２のエレベータの前記主索のローピング比率とを異なるものとしたことを特徴とした請求項１記載のエレベータ装置。 The elevator apparatus according to claim 1, wherein a roping ratio of the main rope of the first elevator is different from a roping ratio of the main rope of the second elevator.
JP2008002250A 2008-01-09 2008-01-09 Elevator equipment Expired - Fee Related JP5091688B2 (en)

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