JP3630596B2 - How to hang an elevator rope - Google Patents

How to hang an elevator rope Download PDF

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Publication number
JP3630596B2
JP3630596B2 JP30156899A JP30156899A JP3630596B2 JP 3630596 B2 JP3630596 B2 JP 3630596B2 JP 30156899 A JP30156899 A JP 30156899A JP 30156899 A JP30156899 A JP 30156899A JP 3630596 B2 JP3630596 B2 JP 3630596B2
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JP
Japan
Prior art keywords
car
hoistway
rope
pulley
work
Prior art date
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Expired - Fee Related
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JP30156899A
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Japanese (ja)
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JP2001122556A (en
Inventor
厚史 長瀬
俊之 田所
伸明 八木
利夫 高崎
徹 田淵
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Hitachi Building Systems Co Ltd
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Hitachi Building Systems Co Ltd
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
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Priority to JP30156899A priority Critical patent/JP3630596B2/en
Publication of JP2001122556A publication Critical patent/JP2001122556A/en
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Publication of JP3630596B2 publication Critical patent/JP3630596B2/en
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Description

【0001】
【発明の属する技術分野】
本発明は、かご枠の下部にかご下プーリを有して構成したエレベータのロープ掛け方法に関する。
【0002】
【従来の技術】
従来におけるかご枠の下部にかご下プーリを有して構成したエレベータは、例えば、特開平7−10437号公報および特開平11−130365号公報に記載されたものが知られており、これを昇降路の断面図である図2を用いて説明する。
【0003】
昇降路1の全行程にわたって図示しない作業足場を組み立て、この作業足場を利用して昇降路1の両側壁に乗かご用ガイドレール2を取り付けたり、昇降路1の出入口に出入口部品3等の取り付けを行なう。これらのエレベータ機器を昇降路1の全行程にわたって取り付けたなら、次に、かご枠4をガイドレール2間に組み立てるが、この作業に邪魔になる作業足場を解体する。作業足場の解体後、かご枠4を組み立ててその下部にかご下プーリ4aを設ける。その後、つり合いおもり5を所定の位置に組み立て、昇降路1の下部1aにトラクションマシン7を配置し、一方、最上階ホール1cには、例えば特開平9−194160号公報に記載された跳ね出し式の作業足場30等を設置し、この跳ね出し式の作業足場30から昇降路1の頂部1bの側壁にプーリビーム8を固定し、このプーリビーム8に転向プーリ8a,8bを取り付け、その後、ロープ掛け作業を行なっている。
【0004】
このロープ掛け作業は、ロープ6の一端6aをプーリビーム8に連結してから垂下させてかご下プーリ4aに掛け、また立ち上げて転向プーリ8aに掛け、再び垂下して今度はトラクションマシン7に掛け、その後、再び立ち上げて転向プーリ8bおよびつり合いおもり5のおもり上プーリ5aに掛けて他端6bをプーリビーム8に連結している。
【0005】
【発明が解決しようとする課題】
しかし、上述した従来のエレベータのロープ掛け方法は、かご枠4を乗かご用ガイドレール2に組み込むために作業足場を解体するため、その後のロープ掛け時には、跳ね出し式の作業足場を最上階ホール1cから設置しなければならず、仮設品である跳ね出し式の作業足場を準備したり、それをロープ掛け作業だけのために最上階ホール1cまで運搬して設置しなければならず、作業効率が悪いだけでなく、仮設品であるために設備費がかかって経済的でなかった。
【0006】
本発明の目的は、跳ね出し式の作業足場等を使用しなくとも、効率良く据え付けることができるようにしたエレベータのロープ掛け方法を提供することにある。
【0007】
【課題を解決するための手段】
本発明は上記目的を達成するために、昇降路内に配置した乗かご用ガイドレール間にかご枠を配置して乗かごを構成し、上記昇降路の上部に設けた転向プーリと上記かご枠の下部に設けたかご下プーリ間に少なくともロープを掛けて構成したエレベータのロープ掛け方法において、上記昇降路のほぼ全行程にわたって作業足場を組み立て、この作業足場を用いて上記昇降路内の所定の機器の取り付けを行なった後、上記乗かご用ガイドレールに上記かご枠を除く上記かご下プーリを仮固定し、上記作業足場を用いて上記かご下プーリと上記転向プーリ間に上記ロープを掛ける作業を行ない、上記作業足場を解体した後、上記かご枠を組み立てて上記乗かご用ガイドレールから取り外した上記かご下プーリを上記かご枠に固定したことを特徴とする。
【0008】
本発明によるエレベータのロープ掛け方法は、上述したようにロープ掛けを行なうためにかご枠を乗かご用ガイドレール間に組み込むのではなく、かご枠を組み立てずにかご下プーリのみを乗かご用ガイドレールに仮固定するようにしたため、従来、かご枠を乗かご用ガイドレール間に組み込むときに邪魔になっていた作業足場をまだ解体せずに、この作業足場を利用して昇降路の上方でのロープ掛け作業を行なうことができる。従って、昇降路上方のロープ掛けのために従来必要とした跳ね出し式の作業足場は不要となり、作業足場を利用しての作業効率を向上することができる。
【0009】
【発明の実施の形態】
以下、本発明の一実施の形態を図面に基づき説明する。
図1は、本発明の一実施の形態によるエレベータのロープ掛け方法を採用した組立作業中のエレベータ昇降路の断面図である。
昇降路1のビル側には複数階のエレベータ出入り口が形成されており、この出入り口から見て左右の昇降路壁には一対の乗かご用ガイドレール2が固定され、この乗かご用ガイドレール2の奥側には一対のつり合いおもり用ガイドレール12が固定されている。組立完了状態において、乗かご用ガイドレール2に沿って乗かごが昇降案内されるように配置され、またつり合いおもり用ガイドレール12に沿ってつり合いおもり5が昇降案内されるように配置される。昇降路1の上部1bの壁にはプーリビーム8が適当な固定手段によって固定され、このプーリビーム8には転向プーリ8a,8bがそれぞれ支持されると共に、詳細を後述するロープ6の両端6a,6bがそれぞれ固定されている。一方、昇降路1の底部1aにはトラクションマシン7が設置されており、一般的なエレベータにおいて昇降路1の上部に形成している機械室は省略されている。
【0010】
次に、上述した昇降路1内にエレベータの各構成要素を組み立てて行く作業手順について説明する。
先ず、昇降路1の底部1aにマシンベース11を固定し、このマシンベース11上にトラクションマシン7を設置すると共に、乗かご用ガイドレール2、つり合いおもり用ガイドレール12およびつり合いおもり5等を昇降路1の底部1aに仮置きする。次いで、昇降路1のほぼ全行程にわたって作業足場10を組み立て、この作業足場10を利用して所定長に達するまで複数のガイドレール2,12を連結しながら昇降路壁に固定したり、各階床の出入口に出入口部品3等を取り付ける。また作業足場10の最上部ではプーリビーム8を昇降壁に固定し、このプーリビーム8に転向プーリ8a,8bを取り付ける。こうして昇降路1内の所定の機器の取り付けを完了する。
【0011】
この取付作業が完了したなら、従来では乗かご枠を乗かご用ガイドレール2間に組み立てていたため、乗かご枠の組み立てに障害となる作業足場10を解体していた。しかしながら、ここでは作業足場10の解体は行なわず、次に作業足場10を利用しながらのロープ6の敷設作業を行なう。このように昇降路1内に組み立てた作業足場10を継続的に利用して、昇降路1の全行程にわたって昇降路1内の所定の機器の取付作業と、ロープ6の掛け作業を行なうことができる。
【0012】
つまり、ロープ6を布設するために、先ず図示しないかご枠とロープ6を介してつるべ式に連結されるつり合いおもり5を、図示しない揚重設備により昇降路1の上方まで吊り上げる。このつり合いおもり5の上部にはおもり上プーリ5aを予め取り付けておいたり、その後に取り付けておく。また、かご枠の下部に取り付けることになるかご下プーリ4aを、昇降路1の下方に位置する乗かご用ガイドレール2にプーリ支持部材20を介して取り外し可能に支持固定する。
【0013】
この状態で、昇降路1の底部1aからトラクションマシン7およびかご下プーリ4aへロープ6を掛け、また作業足場10の最上部から転向プーリ8a,8bおよびおもり上プーリ5aへロープ6を掛け、作業足場10の最上部でロープ6の両端6a,6bをそれぞれ昇降路1の頂部1b付近に固定したプーリビーム8に連結する。従って、プーリビーム8に一端6aを連結したロープ6は、一度垂下してかご下プーリ4aに掛け、その後立ち上げて転向プーリ8aに掛け、再び垂下して底部1aに固定したトラクションマシン7のプーリに巻き掛け、さらに立ち上げて転向プーリ8bおよびおもり上プーリ5aに掛けた後、プーリビーム8に他端6bを連結したことになって敷設作業が完了する。このロープ6の敷設作業は、作業足場10を利用して行なうことができるので、比較的簡単に短時間で行なうことができる。
【0014】
このロープ6の敷設作業の後、作業足場10を全て解体して撤去し、その後、図示しないかご枠を乗かご用ガイドレール2に係合させながらかご下プーリ4a上に組み立てる。最終的にはかご下プーリ4aを乗かご用ガイドレール2から分離し組み立てたかご枠の下部にかご下プーリ4aを固定する。このとき、プーリ支持部材20は取り外しても良いし、かご下プーリ4aと共にかご枠に固定してもよい。いずれの場合も、乗かご用ガイドレール2にかご下プーリ4aを仮固定したときの連結構造は、その後かご下プーリ4aをかご枠へ連結できるように予め考慮しておくとよい。
【0015】
このようにかご枠を乗かご用ガイドレール2間に組み立てる前に、かご下プーリ4aを乗かご用ガイドレール2に仮固定するようにしたため、作業足場10を解体することなくそのままロープ掛け作業に利用することができるので、従来のように仮設品である跳ね出し式の作業足場等を準備したり、それを昇降路の上部に配置する必要がなく、効率良く経済的に据え付けを行なうことができるようになる。
【0016】
なお、上述した実施の形態では、一つのプーリビーム8に転向プーリ8a,8bと、ロープ6の両端6a,6bを固定したが、かご枠の下部にかご下プーリ4aを有すると共に、昇降路上部でのロープ掛け作業を伴う構成であれば本発明を適用することができる。
【0017】
【発明の効果】
以上説明したように本発明によるエレベータのロープ掛け方法は、かご下プーリを乗かご用ガイドレールに仮固定した状態で、昇降路内に所定の機器の取付作業のために組み立てた作業足場を解体することなく、この作業足場を利用してロープ掛け作業を行なうようにしたため、作業足場をロープ掛け作業のためにも効率的に使用することができるようになり、しかも、従来のように跳ね出し式の作業足場等を準備したり、それを昇降路の上部に配置する必要がなく、据付作業を比較的簡単に行なうことができるようになる。
【図面の簡単な説明】
【図1】本発明の一実施の形態によるエレベータのロープ掛け方法を採用した作業途中状態を示す昇降路の断面図である。
【図2】従来のエレベータのロープ掛け方法を採用した作業途中状態を示す昇降路の断面図である。
【符号の説明】
1 昇降路
1a 底部
1b 頂部
2 乗かご用ガイドレール
4a かご下プーリ
6 ロープ
6a 一端
6b 他端
7 トラクションマシン
8 プーリビーム
8a,8b 転向プーリ
10 作業足場
20 プーリ支持材
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method for hooking an elevator rope having a car lower pulley under a car frame.
[0002]
[Prior art]
Conventional elevators having a car lower pulley at the lower part of a car frame are known, for example, as described in JP-A-7-10437 and JP-A-11-130365. This will be described with reference to FIG. 2 which is a cross-sectional view of the road.
[0003]
A work scaffold (not shown) is assembled over the entire process of the hoistway 1, and the guide rails 2 for the car are attached to both side walls of the hoistway 1 using the work scaffold, and the entrance / exit part 3 is attached to the entrance / exit of the hoistway 1. To do. If these elevator apparatuses are attached over the entire process of the hoistway 1, then the car frame 4 is assembled between the guide rails 2, and the work scaffold that disturbs this work is dismantled. After dismantling the work scaffold, the car frame 4 is assembled and a car lower pulley 4a is provided at the lower part thereof. Thereafter, the counterweight 5 is assembled at a predetermined position, and the traction machine 7 is arranged in the lower part 1a of the hoistway 1. On the other hand, in the uppermost floor hall 1c, for example, the jumping type described in JP-A-9-194160 Is installed on the side wall of the top portion 1b of the hoistway 1 from the spring-type work scaffold 30, and turning pulleys 8a and 8b are attached to the pulley beam 8, and then the rope hanging work Is doing.
[0004]
In this rope hanging work, one end 6a of the rope 6 is connected to the pulley beam 8 and then hung down and hung on the car lower pulley 4a, and then raised and hung on the turning pulley 8a, hung again and hung on the traction machine 7 this time. Thereafter, it is raised again and hooked on the turning pulley 8 b and the weight upper pulley 5 a of the counterweight 5, and the other end 6 b is connected to the pulley beam 8.
[0005]
[Problems to be solved by the invention]
However, the above-described conventional elevator rope-hanging method disassembles the work scaffold in order to incorporate the car frame 4 into the car guide rail 2, so that when the rope is subsequently hooked, the jump-type work scaffold is used as the top floor hall. It must be installed from 1c, and it is necessary to prepare a pop-up type work scaffold that is a temporary product, or to transport it to the top floor hall 1c only for rope hanging work, and to improve work efficiency. Not only was it bad, but because it was a temporary product, it was not economical due to equipment costs.
[0006]
An object of the present invention is to provide an elevator rope mounting method that can be installed efficiently without using a spring-type work scaffold or the like.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, the present invention forms a car by arranging a car frame between car guide rails arranged in a hoistway, and a turning pulley provided at the upper part of the hoistway and the car frame. In the elevator rope construction method in which at least a rope is hung between the lower pulleys of the car provided in the lower part of the elevator, a work scaffold is assembled over substantially the entire stroke of the hoistway, and a predetermined platform in the hoistway is used by using the work scaffold. After installing the equipment, temporarily fix the car lower pulley excluding the car frame to the car guide rail, and use the work scaffold to hang the rope between the car lower pulley and the turning pulley. And after dismantling the work scaffold, the car frame is assembled and the car lower pulley removed from the car guide rail is fixed to the car frame. That.
[0008]
In the elevator rope hanging method according to the present invention, as described above, the car frame is not assembled between the car guide rails in order to carry the rope, but only the car lower pulley is not assembled without assembling the car frame. Because it was temporarily fixed to the rail, the work scaffold that was previously in the way when the car frame was installed between the guide rails for the car was not disassembled, and it was used above the hoistway using this work scaffold. Can be roped. Therefore, the spring-type work scaffold that is conventionally required for hooking the rope above the hoistway becomes unnecessary, and the work efficiency using the work scaffold can be improved.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a cross-sectional view of an elevator hoistway during assembly work that employs an elevator rope hanging method according to an embodiment of the present invention.
On the building side of the hoistway 1, a plurality of floors of elevator doorways are formed, and a pair of car guide rails 2 are fixed to the left and right hoistway walls as viewed from the doorway. A pair of counterweight guide rails 12 are fixed on the back side of the. In the assembled state, the car is arranged so as to be guided up and down along the car guide rail 2, and the counterweight 5 is arranged along the counterweight guide rail 12. A pulley beam 8 is fixed to the wall of the upper part 1b of the hoistway 1 by an appropriate fixing means. The pulley beam 8 supports turning pulleys 8a and 8b, and both ends 6a and 6b of the rope 6 which will be described in detail later. Each is fixed. On the other hand, the traction machine 7 is installed in the bottom part 1a of the hoistway 1, and the machine room formed in the upper part of the hoistway 1 is abbreviate | omitted in the general elevator.
[0010]
Next, an operation procedure for assembling each component of the elevator in the hoistway 1 described above will be described.
First, the machine base 11 is fixed to the bottom 1a of the hoistway 1, and the traction machine 7 is installed on the machine base 11, and the car guide rail 2, the counterweight guide rail 12, the counterweight 5 and the like are raised and lowered. Temporarily placed on the bottom 1 a of the road 1. Next, the work scaffold 10 is assembled over almost the entire process of the hoistway 1 and fixed to the hoistway wall while connecting the plurality of guide rails 2 and 12 until reaching a predetermined length using the work scaffold 10, Attach the entrance part 3 and the like to the entrance. A pulley beam 8 is fixed to the elevating wall at the top of the work scaffold 10, and turning pulleys 8 a and 8 b are attached to the pulley beam 8. In this way, the installation of predetermined equipment in the hoistway 1 is completed.
[0011]
When this mounting work is completed, the work frame 10 that has been an obstacle to the assembly of the car frame has been dismantled because the car frame has been conventionally assembled between the car guide rails 2. However, here, the work scaffold 10 is not disassembled, and the rope 6 is laid while using the work scaffold 10. Thus, the work scaffold 10 assembled in the hoistway 1 can be continuously used to perform installation work of predetermined equipment in the hoistway 1 and hanging work of the rope 6 over the entire process of the hoistway 1. it can.
[0012]
That is, in order to lay the rope 6, first, the counterweight 5 that is connected to the car frame (not shown) and the rope 6 via the rope 6 is lifted above the hoistway 1 by the lifting equipment (not shown). A weight upper pulley 5a is attached to the upper portion of the counterweight 5 in advance, or after that. Further, the car lower pulley 4 a to be attached to the lower part of the car frame is detachably supported and fixed to the car guide rail 2 located below the hoistway 1 through the pulley support member 20.
[0013]
In this state, the rope 6 is hung from the bottom 1a of the hoistway 1 to the traction machine 7 and the car lower pulley 4a, and the rope 6 is hung from the top of the work scaffold 10 to the turning pulleys 8a and 8b and the weight upper pulley 5a. At the top of the scaffold 10, both ends 6 a and 6 b of the rope 6 are connected to a pulley beam 8 fixed near the top 1 b of the hoistway 1. Accordingly, the rope 6 having one end 6a connected to the pulley beam 8 is once suspended and hung on the car lower pulley 4a, then raised and hung on the turning pulley 8a, and again hung on the pulley of the traction machine 7 fixed to the bottom 1a. After winding and further rising and hanging on the turning pulley 8b and the weight upper pulley 5a, the other end 6b is connected to the pulley beam 8, and the laying operation is completed. Since the laying operation of the rope 6 can be performed using the work scaffold 10, it can be performed relatively easily in a short time.
[0014]
After the work of laying the rope 6, the work scaffold 10 is completely disassembled and removed, and then the car frame (not shown) is assembled on the car lower pulley 4a while being engaged with the car guide rail 2. Finally, the car lower pulley 4a is separated from the car guide rail 2, and the car lower pulley 4a is fixed to the lower part of the assembled car frame. At this time, the pulley support member 20 may be removed, or may be fixed to the car frame together with the car lower pulley 4a. In any case, the connection structure when the car lower pulley 4a is temporarily fixed to the car guide rail 2 may be considered in advance so that the car lower pulley 4a can be connected to the car frame thereafter.
[0015]
Since the car lower pulley 4a is temporarily fixed to the car guide rail 2 before assembling the car frame between the car guide rails 2 in this way, the work scaffold 10 can be roped as it is without being disassembled. Since it can be used, there is no need to prepare a spring-type work scaffolding, etc., which is a temporary product, and it is not necessary to place it on the upper part of the hoistway. become able to.
[0016]
In the above-described embodiment, the turning pulleys 8a and 8b and both ends 6a and 6b of the rope 6 are fixed to one pulley beam 8. However, the car lower pulley 4a is provided at the lower part of the car frame, and at the upper part of the hoistway. The present invention can be applied to any configuration that involves a rope hanging operation.
[0017]
【The invention's effect】
As described above, the elevator rope hanging method according to the present invention dismantles the work platform assembled for mounting a predetermined device in the hoistway in a state where the car lower pulley is temporarily fixed to the car guide rail. The work scaffolding can be used to perform the rope hanging work without the need to do so, so that the work scaffold can be used efficiently for the rope hanging work as well as the conventional method. There is no need to prepare a work platform or the like, or to place it on the upper part of the hoistway, so that the installation work can be performed relatively easily.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a hoistway showing a state in the middle of work adopting an elevator rope hanging method according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view of a hoistway showing a state in the middle of work adopting a conventional elevator rope hanging method.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Hoistway 1a Bottom part 1b Top part 2 Car guide rail 4a Car lower pulley 6 Rope 6a One end 6b Other end 7 Traction machine 8 Pulley beam 8a, 8b Turning pulley 10 Working scaffold 20 Pulley support material

Claims (2)

昇降路内に配置した乗かご用ガイドレール間にかご枠を配置して乗かごを構成し、上記昇降路の上部に設けた転向プーリと上記かご枠の下部に設けたかご下プーリ間に少なくともロープを掛けて構成したエレベータのロープ掛け方法において、上記昇降路のほぼ全行程にわたって作業足場を組み立て、この作業足場を用いて上記昇降路内の所定の機器の取り付けを行なった後、上記乗かご用ガイドレールに上記かご枠を除く上記かご下プーリを仮固定し、上記作業足場を用いて上記かご下プーリと上記転向プーリ間に上記ロープを掛ける作業を行ない、上記作業足場を解体した後、上記かご枠を組み立てて上記乗かご用ガイドレールから取り外した上記かご下プーリを上記かご枠に固定したことを特徴とするエレベータのロープ掛け方法。A car frame is arranged between car guide rails arranged in the hoistway to constitute a car, and at least between a turning pulley provided at the upper part of the hoistway and a car lower pulley provided at the lower part of the car frame. In the elevator rope construction method constructed by hanging a rope, after assembling a work scaffold over almost the entire process of the hoistway and attaching predetermined equipment in the hoistway using the work scaffold, the elevator car Temporarily fixing the car lower pulley excluding the car frame to the guide rail, performing the work of hanging the rope between the car lower pulley and the turning pulley using the work scaffold, dismantling the work scaffold, A method of hooking an elevator rope, comprising assembling the car frame and fixing the car lower pulley removed from the car guide rail to the car frame. エレベータの昇降路の上部に二つの転向プーリを配置し、上記昇降路の底部にトラクションマシンを配置し、このトラクションマシンにより駆動されるロープにより乗かご用ガイドレールに沿って昇降するかご枠の下部にかご下プーリを設け、その両端を上記昇降路の上部に連結した上記ロープを上記転向プーリと上記かご下プーリ間に掛けるようにしたエレベータのロープ掛け方法において、上記トラクションマシンを上記昇降路の底部に設置し、上記昇降路のほぼ全行程にわたって作業足場を設置し、この作業足場を用いて上記ガイドレールを含む上記昇降路内の所定の機器を取り付けた後、上記かご枠の下部に取り付けられる上記かご下プーリを上記ガイドレールに仮固定させた状態で、上記ロープの掛け作業を行ない、上記作業足場を解体した後、上記かご枠を組み立てて上記乗かご用ガイドレールから取り外した上記かご下プーリを上記かご枠に固定したことを特徴とするエレベータのロープ掛け方法。Two turning pulleys are arranged at the upper part of the elevator hoistway, a traction machine is arranged at the bottom of the hoistway, and the lower part of the car frame that moves up and down along the car guide rail by the rope driven by this traction machine An elevator rope hanging method in which a lower pulley is provided on a car, and the rope having both ends connected to the upper part of the hoistway is hung between the turning pulley and the lower pulley, and the traction machine is connected to the hoistway. Installed on the bottom, installed a work platform over almost the entire process of the hoistway, and after using this work platform to attach the specified equipment in the hoistway including the guide rail, attach it to the lower part of the car frame In the state where the pulley under the car is temporarily fixed to the guide rail, the rope is hung, and the work scaffold After dismantling, rope hanging method elevator the car under pulley removed from the passenger cage guide rail assembly the car frame, characterized in that fixed to the car frame.
JP30156899A 1999-10-22 1999-10-22 How to hang an elevator rope Expired - Fee Related JP3630596B2 (en)

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JP4790941B2 (en) * 2001-08-23 2011-10-12 三菱電機株式会社 Elevator main rope hanging method
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