JP2021134021A - Elevator for construction and tread plate driving method for elevator for construction - Google Patents

Elevator for construction and tread plate driving method for elevator for construction Download PDF

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JP2021134021A
JP2021134021A JP2020029473A JP2020029473A JP2021134021A JP 2021134021 A JP2021134021 A JP 2021134021A JP 2020029473 A JP2020029473 A JP 2020029473A JP 2020029473 A JP2020029473 A JP 2020029473A JP 2021134021 A JP2021134021 A JP 2021134021A
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floor
tread plate
carrier
construction
lower door
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JP7304674B2 (en
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文彦 大竹
Fumihiko Otake
文彦 大竹
政明 吉野
Masaaki Yoshino
政明 吉野
篤司 尾野
Atsushi Ono
篤司 尾野
康夫 中台
Yasuo Nakadai
康夫 中台
智樹 小林
Tomoki Kobayashi
智樹 小林
義彬 原田
Yoshiaki Harada
義彬 原田
勇治 神尾
Yuji Kamio
勇治 神尾
直 森谷
Tadashi Moriya
直 森谷
圭 寺田
Kei Terada
圭 寺田
高広 石井
Takahiro Ishii
高広 石井
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Takenaka Komuten Co Ltd
Sanoyas Engineering Corp
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Takenaka Komuten Co Ltd
Sanoyas Engineering Corp
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Abstract

To provide an elevator for construction, which is able to cope with a situation where a distance from each of floors to the floor of a carrier is long.SOLUTION: An elevator for construction, installed in a building under construction, comprises: a guide rail with a rack gear; a carrier 1 raised and lowered along the guide rail and stoppable at each floor; a lower door 22 provided at an entrance/exit of the carrier 1; a first tread plate 11 extending between an outer side of the lower door 22 and each of floors; and a second tread plate extending between the first tread plate 11 and a floor in the carrier.SELECTED DRAWING: Figure 2

Description

本発明は、建設中の建物に設置する工事用エレベータに関する。 The present invention relates to a construction elevator installed in a building under construction.

工事用エレベータが停止する各階のフロアから当該エレベータの搬器の床までの間には隙間が存在するため、作業員がこの隙間に足を踏み込む可能性があり、安全対策が必要である。 Since there is a gap between the floor of each floor where the construction elevator stops and the floor of the elevator carrier, there is a possibility that workers may step into this gap, and safety measures are required.

特許文献１には、エレベータ搬器の下扉が下降することに伴い起立している踏み板が下向きに回動して各階のフロアとの間に掛け渡され、下扉の上昇に伴い踏み板が起立して、作業員の安全を確保する構成が記載されている。 In Patent Document 1, the tread plate that stands up as the lower door of the elevator carrier descends rotates downward and is hung between the floors of each floor, and the tread plate stands up as the lower door rises. The configuration for ensuring the safety of workers is described.

特許文献１：特開平３−２８４５９０号公報 Patent Document 1: Japanese Unexamined Patent Publication No. 3-284590

しかしながら、最近は建設する建物が高層化してフロア数の増加に伴い、各階のフロアから当該エレベータの搬器の床までの距離にばらつきが目立ち、また、各階によっては、その距離が大きいフロアも存在する。特許文献１に記載の小さな踏板ではこの距離に対応できない場合がある。また、仮にこの距離に対応可能にするために特許文献１記載の踏板を大きくしたとしても大きくなった分重量が増えて下扉の上昇では踏板を起立方向に回動させることが困難であるという問題点があった。 However, recently, as the number of floors of the building to be constructed has increased and the number of floors has increased, the distance from the floor of each floor to the floor of the elevator carrier is conspicuous, and some floors have a large distance. .. The small tread plate described in Patent Document 1 may not be able to cope with this distance. Further, even if the tread plate described in Patent Document 1 is enlarged in order to make it possible to handle this distance, the weight increases by the amount of the increase, and it is difficult to rotate the tread plate in the upright direction when the lower door is raised. There was a problem.

本発明は、上記問題点を解決して、各階のフロアから搬器の床までの距離が大きい場合にも対応可能な工事用エレベータを実現することを課題とする。 An object of the present invention is to solve the above problems and to realize a construction elevator that can handle a large distance from the floor of each floor to the floor of the carrier.

上記課題を解決するために本発明は、建設中の建物に設置する工事用エレベータであって、
ラックギアを備えたガイドレールと、
前記ガイドレールに沿って昇降し各階に停止可能な搬器と、
前記搬器の出入口に設けた下扉と、
前記下扉の外側と各階のフロアとの間に掛け渡す第１踏板と、
前記第１踏板と前記搬器内の床との間に掛け渡す第２踏板と、を備えたことを特徴とする工事用エレベータを提供するものである。 In order to solve the above problems, the present invention is a construction elevator installed in a building under construction.
Guide rails with rack gear and
A carrier that can move up and down along the guide rail and stop on each floor,
The lower door provided at the entrance and exit of the carrier and
The first tread that runs between the outside of the lower door and the floor of each floor,
Provided is an elevator for construction work, which comprises a second tread plate extending between the first tread plate and a floor in the carrier.

この構成により、各階のフロアから搬器の床までの距離が大きい場合にも対応可能な工事用エレベータを実現することができる。 With this configuration, it is possible to realize a construction elevator that can handle a large distance from the floor of each floor to the floor of the carrier.

前記第１踏板は、前記搬器の外部に設けた伸縮部材のロッドの伸縮により、掛渡位置と退避位置との間で回動可能であり、
前記伸縮部材のロッドが収縮したときに当該第１踏板は掛渡位置へ回動するとともに、前記伸縮部材のロッドが伸長したときに当該第１踏板は退避位置へ回動する構成としてもよい。 The first tread plate can rotate between the hanging position and the retracting position by expanding and contracting the rod of the expansion / contraction member provided outside the carrier.
When the rod of the telescopic member contracts, the first tread plate rotates to the hanging position, and when the rod of the telescopic member expands, the first tread plate may rotate to the retracted position.

この構成により、搬器の外部に電動シリンダや油圧シリンダのような伸縮部材を設けることで取付けが容易であるとともに、下扉の昇降に関係なく第１踏板を掛渡し、または退避させることができる。 With this configuration, it is easy to install by providing a telescopic member such as an electric cylinder or a hydraulic cylinder on the outside of the carrier, and the first tread plate can be hung or retracted regardless of the raising and lowering of the lower door.

前記第１踏板が水平の掛渡位置にあるとき、掛渡位置に向かう回動方向に遊びを有している構成としてもよい。 When the first tread plate is in the horizontal hanging position, it may have a play in the rotation direction toward the hanging position.

この構成により、各階のフロアに高さバラツキがあっても確実に各階のフロアに着地させることができる。 With this configuration, even if there are height variations on the floors of each floor, it is possible to reliably land on the floors of each floor.

また、上記課題を解決するために本発明は、建設中の建物に設置する工事用エレベータの踏板駆動方法であって、
ラックギアを備えたガイドレールと、
前記ガイドレールに沿って昇降し各階に停止可能な搬器と、
前記搬器の出入口に設けた下扉と、
第１踏板及び第２踏板と、を有した工事用エレベータにおいて、
前記搬器が各階に停止した際に、前記下扉の外側に設けられた前記第１踏板を前記下扉の外側と各階のフロアとの間に掛け渡すように駆動するとともに、前記下扉を開放するように駆動する第１踏板掛渡し工程と、
前記搬器内の床と前記第１踏板との間に前記第２踏板を掛渡す第２踏板掛渡し工程と、
を備えたことを特徴とする工事用エレベータの踏板駆動方法を提供するものである。 Further, in order to solve the above problems, the present invention is a method for driving a tread plate of a construction elevator installed in a building under construction.
Guide rails with rack gear and
A carrier that can move up and down along the guide rail and stop on each floor,
The lower door provided at the entrance and exit of the carrier and
In a construction elevator having a first tread plate and a second tread plate,
When the carrier stops on each floor, the first tread plate provided on the outside of the lower door is driven so as to hang between the outside of the lower door and the floor of each floor, and the lower door is opened. The first tread board hanging process that drives to do
A second step board hanging step of hanging the second step board between the floor in the carrier and the first step board, and
It provides a method for driving a tread plate of a construction elevator, which is characterized by being provided with.

この構成により、各階のフロアから搬器の床までの距離が大きい場合にも対応可能な工事用エレベータを実現することができる。 With this configuration, it is possible to realize a construction elevator that can handle a large distance from the floor of each floor to the floor of the carrier.

本発明の工事用エレベータにより、各階のフロアから搬器の床までの距離が大きい場合にも対応可能な工事用エレベータを実現することができる。 According to the construction elevator of the present invention, it is possible to realize a construction elevator that can handle a large distance from the floor of each floor to the floor of the carrier.

本発明の実施例１における工事用エレベータを説明する図である。It is a figure explaining the construction elevator in Example 1 of this invention. 本発明の実施例１における工事用エレベータの搬器を説明する図である。It is a figure explaining the carrier of the construction elevator in Example 1 of this invention. 本発明の実施例１における工事用エレベータの踏板を説明する図である。It is a figure explaining the tread plate of the construction elevator in Example 1 of this invention. 本発明の実施例１における第１踏板と第２踏板とを説明する図である。It is a figure explaining the 1st tread plate and 2nd tread plate in Example 1 of this invention. 本発明の実施例１における第１踏板掛渡し工程を説明する図である。It is a figure explaining the 1st step board hanging process in Example 1 of this invention.

本発明の実施例１について、図１〜図５を参照して説明する図である。図１は、本発明の実施例１における工事用エレベータを説明する図である。図２は、本発明の実施例１における工事用エレベータの搬器を説明する図である。図３は、本発明の実施例１における工事用エレベータの踏板を説明する図である。図４は、本発明の実施例１における第１踏板と第２踏板とを説明する図である。図５は、本発明の実施例１における第１踏板掛渡し工程を説明する図である。 FIG. 1 is a diagram illustrating Example 1 of the present invention with reference to FIGS. 1 to 5. FIG. 1 is a diagram illustrating a construction elevator according to a first embodiment of the present invention. FIG. 2 is a diagram illustrating a carrier of a construction elevator according to a first embodiment of the present invention. FIG. 3 is a diagram illustrating a tread plate of a construction elevator according to a first embodiment of the present invention. FIG. 4 is a diagram illustrating a first tread plate and a second tread plate according to the first embodiment of the present invention. FIG. 5 is a diagram illustrating a first tread plate hanging process according to the first embodiment of the present invention.

（工事用エレベータ）
実施例１における工事用エレベータ１００は、ラックギアを備えたガイドレール２と、ガイドレール２に沿って昇降し各階に停止可能な搬器１を備えている（図１（ａ）に工事用エレベータ１００の正面図、図１（ｂ）は右側面図を示している。）。ガイドレール２は、建設中の建物の高さに合わせてその長さが決められる。また、建設の進捗に合わせて高さが高くされ、近年では２０階や３０階といった高層ビルに合わせた工事用エレベータが求められている。 (Construction elevator)
The construction elevator 100 in the first embodiment includes a guide rail 2 provided with rack gears and a carrier 1 that can move up and down along the guide rail 2 and stop on each floor (FIG. 1 (a) shows the construction elevator 100. The front view and FIG. 1 (b) show the right side view). The length of the guide rail 2 is determined according to the height of the building under construction. In addition, the height has been increased according to the progress of construction, and in recent years, there has been a demand for construction elevators suitable for high-rise buildings such as the 20th and 30th floors.

工事用エレベータ１００は、建物の各階で停止し作業員や荷物を出し入れできるように、搬器１の前面（建物のフロアＦ側）に、開口幅を全て覆うことができる幅を有した上扉２１と下扉２２を備えている。各階に停止した工事用エレベータ１００は、図示しないモータにより上扉２１を上方へ開放し、下扉２２を下方へ開放することにより、作業員や荷物を出し入れできる。 The construction elevator 100 has an upper door 21 having a width that can cover the entire opening width on the front surface (floor F side of the building) of the carrier 1 so that workers and luggage can be taken in and out by stopping on each floor of the building. And the lower door 22 is provided. The construction elevator 100 stopped on each floor can take in and out workers and luggage by opening the upper door 21 upward and the lower door 22 downward by a motor (not shown).

ここで、各階のフロアＦと搬器１の前面（建物のフロアＦ側）とは、搬器１がスムーズに昇降できるように隙間が設けてあり、また、各階によってその隙間の距離が異なる場合がある（例えば、図１のＦ（１）〜Ｆ（４））。従来は、この隙間を一定にするために、ステージ材をフロアＦ側に継ぎ足して運用していた。しかしながら、これは最終的には取外しが必要であるため労力と時間がかかる上、高層化が進むビルにあっては益々ビルの建設効率が落ちる大きな要因となっている。 Here, a gap is provided between the floor F of each floor and the front surface of the carrier 1 (on the floor F side of the building) so that the carrier 1 can move up and down smoothly, and the distance between the gaps may differ depending on each floor. (For example, F (1) to F (4) in FIG. 1). Conventionally, in order to make this gap constant, the stage material has been added to the floor F side for operation. However, this is laborious and time-consuming because it will eventually need to be removed, and it is a major factor in the construction efficiency of buildings that are becoming higher in height.

本発明の実施例１においては、ビル等の建物の建設効率を向上させるために、従来のステージ材継ぎ足しを省略する代わりに、搬器１とフロアＦとの間の最大の隙間を跨ぐ踏板を設けるものである。搬器１には、図４に示すように、従来から第２踏板２３が設けられていて、搬器１の床から下扉２２の昇降に伴う隙間を跨ぐことができるようにされている。第２踏板２３は、搬器１の床における各階フロアＦ側に回動軸が設けられ、倒立位置から掛渡位置まで回動するようにされている。そして、常時、掛渡位置側に回動するように付勢され、下扉２２が下降すると掛渡位置に回動し、下扉２２が上昇すると第２踏板２３を押上げて倒立位置に回動させる。 In the first embodiment of the present invention, in order to improve the construction efficiency of a building such as a building, instead of omitting the conventional replenishment of stage materials, a tread plate straddling the maximum gap between the carrier 1 and the floor F is provided. It is a thing. As shown in FIG. 4, the carrier 1 is conventionally provided with a second tread plate 23 so as to be able to straddle a gap from the floor of the carrier 1 as the lower door 22 moves up and down. The second tread plate 23 is provided with a rotation shaft on the floor F side of each floor on the floor of the carrier 1, so as to rotate from the inverted position to the hanging position. Then, it is always urged to rotate toward the hanging position side, and when the lower door 22 descends, it rotates to the hanging position, and when the lower door 22 rises, the second tread plate 23 is pushed up and rotated to the inverted position. Move it.

しかしながら、ステージ材継ぎ足しを省略すると、各階によっては、フロアＦと搬器１との隙間距離が大きく、第２踏板２３のみではこの隙間距離をカバーしてフロアＦ側に掛け渡すことができない場合がある。そこで、実施例１においては、下扉２２の外側（フロアＦ側）に第１踏板１１を設け、搬器１の左右両側の外部に設けた伸縮部材１２，１２によって、第１踏板１１を各階フロアＦに掛渡す構成としている（図２に、搬器１の正面図と右側面図を示す。）。また、各階フロアＦに掛渡した第１踏板１１の上に第２踏板２３を掛渡す構成としていることにより、下扉２２各階のフロアＦから搬器の床までの距離が大きい場合にも対応可能な工事用エレベータを実現することができる。また、搬器１に外付けした２つの伸縮部材１２、１２によって第１踏板１１を駆動するようにしているので、下扉２２の駆動力を従来以上に大きくする必要もない。なお、実施例１における伸縮部材１２は、電動シリンダで構成しているが、必ずしもこれに限定されず適宜変更が可能である。例えば、油圧シリンダであってもよい。 However, if the replenishment of the stage material is omitted, the gap distance between the floor F and the carrier 1 is large depending on each floor, and the second tread plate 23 alone may not cover this gap distance and can not be hung on the floor F side. .. Therefore, in the first embodiment, the first tread plate 11 is provided on the outside of the lower door 22 (floor F side), and the first tread plate 11 is provided on each floor by the telescopic members 12 and 12 provided on the left and right sides of the carrier 1. It is configured to be hung on F (FIG. 2 shows a front view and a right side view of the carrier 1). Further, since the second tread plate 23 is hung on the first tread plate 11 hung on each floor F, it is possible to cope with a case where the distance from the floor F of each floor of the lower door 22 to the floor of the carrier is large. It is possible to realize an elevator for construction work. Further, since the first tread plate 11 is driven by the two telescopic members 12 and 12 externally attached to the carrier 1, it is not necessary to increase the driving force of the lower door 22 more than before. The telescopic member 12 in the first embodiment is composed of an electric cylinder, but the present invention is not necessarily limited to this and can be changed as appropriate. For example, it may be a hydraulic cylinder.

第１踏板１１について詳しく説明する。第１踏板１１は、搬器１の出入口の開口幅とほぼ同じ幅を有し、掛渡し方向（ｙ方向）の長さは６５０ｍｍを有しており、搬器１の左右両側の外部に設けた２つの伸縮部材１２、１２が協調制御で駆動される。伸縮部材１２、１２が伸長するとロッド１６、１６が伸長して、第１踏板１１は掛渡位置から倒立した退避位置へと回動し、伸縮部材１２、１２のロッド１６、１６が収縮すると、第１踏み板１１は倒立した退避位置から掛渡位置へと回動する。 The first tread plate 11 will be described in detail. The first tread plate 11 has substantially the same width as the opening width of the entrance / exit of the carrier 1, has a length of 650 mm in the hanging direction (y direction), and is provided on the outside of both the left and right sides of the carrier 1. The two telescopic members 12, 12 are driven by cooperative control. When the telescopic members 12 and 12 are extended, the rods 16 and 16 are extended, the first tread plate 11 is rotated from the hanging position to the inverted retracted position, and when the rods 16 and 16 of the telescopic members 12 and 12 are contracted. The first tread plate 11 rotates from the inverted retracted position to the hanging position.

伸縮部材１２、１２は、搬器１の正面視左右の外部に下向き（−ｚ方向）に設けられている。そして、伸縮部材１２、１２は互いに協調して動作するように制御される。伸縮部材１２、１２が第１踏板１１を駆動するための機構及び動作は、左右同じであるので、以下の説明においては、いずれか一方のみを説明し、他方の説明は省略する。 The telescopic members 12 and 12 are provided downward (−z direction) on the left and right sides of the front view of the carrier 1. Then, the telescopic members 12 and 12 are controlled to operate in cooperation with each other. Since the mechanism and operation for the telescopic members 12 and 12 to drive the first tread plate 11 are the same on the left and right, only one of them will be described in the following description, and the description of the other will be omitted.

伸縮部材１２にはロッド１６が設けられ、伸縮部材１２を伸長させるとロッド１６の位置が下がって、ロッド１６の先端がアダプタ１７に接触してアダプタ１７を押し下げることができる。アダプタ１７は連結アーム１５に連結され、連結アーム１５は支点を軸にして回動可能にアームＡ１４に連結されている。また、アームＡ１４は枢軸部を軸にして回動可能にアームＢ１３に連結され、さらに、アームＢ１３は回動して上下方向に移動可能に第１踏板１１に連結されている。 A rod 16 is provided on the telescopic member 12, and when the telescopic member 12 is extended, the position of the rod 16 is lowered, and the tip of the rod 16 comes into contact with the adapter 17 to push down the adapter 17. The adapter 17 is connected to the connecting arm 15, and the connecting arm 15 is rotatably connected to the arm A14 about a fulcrum. Further, the arm A14 is rotatably connected to the arm B13 about the pivot portion, and further, the arm B13 is rotatably connected to the first tread plate 11 so as to be movable in the vertical direction.

そして、伸縮部材１２が伸長するとロッド１６が下方に移動して、ロッド１６の先端がアダプタ１７に接触してアダプタ１７を押し下げ、アームＡ１４が略垂直に回動してアームＢ１３が上方向に移動し第１踏板１１は掛渡位置から倒立した退避位置へと回動する。また、伸縮部材１２のロッド１６が収縮すると、ロッド１６の先端がアダプタ１７から離れ、アームＡ１４が略水平に回動してアームＢ１３が下方向に移動し第１踏み板１１は倒立した退避位置から掛渡位置へと回動する。 Then, when the telescopic member 12 is extended, the rod 16 moves downward, the tip of the rod 16 contacts the adapter 17 and pushes down the adapter 17, the arm A14 rotates substantially vertically, and the arm B13 moves upward. The first tread plate 11 rotates from the hanging position to the inverted retracted position. Further, when the rod 16 of the telescopic member 12 contracts, the tip of the rod 16 separates from the adapter 17, the arm A14 rotates substantially horizontally, the arm B13 moves downward, and the first tread plate 11 moves from the inverted retracted position. It rotates to the hanging position.

図３（ａ）は、伸縮部材１２が伸長した状態を示し、図３（ｂ）は伸縮部材１２が収縮した状態を示している。伸縮部材１２が伸長すると図３（ａ）に示すように、ロッド１６がアダプタ１７を押し下げる。すると連結アーム１５が支点を軸にして回動する。それに伴い、アームＡ１４が略垂直に回動し、第１踏板１１が倒立して退避位置に位置する。この状態で搬器１は昇降することができる。 FIG. 3A shows a state in which the telescopic member 12 is extended, and FIG. 3B shows a state in which the telescopic member 12 is contracted. When the telescopic member 12 is extended, the rod 16 pushes down the adapter 17 as shown in FIG. 3 (a). Then, the connecting arm 15 rotates about the fulcrum. Along with this, the arm A14 rotates substantially vertically, and the first tread plate 11 is inverted and is positioned at the retracted position. In this state, the carrier 1 can be moved up and down.

第１踏板１１は掛渡位置へ回動するようにバネ部材１８により常時付勢されている。そして、伸縮部材１２が収縮すると、ロッド１６が上昇してアダプタ１７に対する押し下げ力が解除され、アダプタ１７が上昇し、連結アーム１５は支点を軸にして回動し上昇する。連結アーム１５が上昇すると、アームＡ１４が枢軸部を軸にして回動し外側（各階のフロア側）、つまり略水平に倒れる。そうすると、アームＢ１３が下方に移動して第１踏板１１を略水平位置へ押すことで、第１踏板１１は掛渡位置に位置する。 The first tread plate 11 is constantly urged by the spring member 18 so as to rotate to the hanging position. Then, when the telescopic member 12 contracts, the rod 16 rises to release the pushing force against the adapter 17, the adapter 17 rises, and the connecting arm 15 rotates and rises around the fulcrum. When the connecting arm 15 rises, the arm A14 rotates about the pivot portion and falls to the outside (floor side of each floor), that is, substantially horizontally. Then, the arm B13 moves downward and pushes the first tread plate 11 to a substantially horizontal position, so that the first tread plate 11 is located at the hanging position.

ここで、伸縮部材１２が完全に収縮したときに、ロッド１６とアダプタ１７との間には隙間を有して遊びＡが生まれるように構成している。これは、搬器１が各階で停止したときに、搬器１の床高さの方が各階のフロアＦ高さよりも高い場合に遊びＡによって第１踏板１１が水平よりもさらにθだけ多く回動することにより確実に各階のフロアＦに第１踏板１１の先端が着地するようにするためである。逆に、搬器１の床高さの方が各階のフロアＦ高さよりも低い場合は、第１踏板１１の底面が各階のフロアＦに当接したところで伸縮部材１２の駆動を停止するように制御している。 Here, when the telescopic member 12 is completely contracted, there is a gap between the rod 16 and the adapter 17, and play A is created. This is because when the carrier 1 is stopped on each floor and the floor height of the carrier 1 is higher than the floor F height of each floor, the play A causes the first tread 11 to rotate more than the horizontal by θ. This is to ensure that the tip of the first tread plate 11 lands on the floor F of each floor. On the contrary, when the floor height of the carrier 1 is lower than the floor F height of each floor, the operation of the telescopic member 12 is stopped when the bottom surface of the first tread plate 11 comes into contact with the floor F of each floor. doing.

なお、実施例１においては、搬器１の出入口に上扉２１と下扉２２とを備えるように構成したが、必ずしもこれに限定されず適宜変更が可能である。例えば、搬器１の出入口に下扉２２のみを備えるように構成してもよい。 In the first embodiment, the upper door 21 and the lower door 22 are provided at the entrance / exit of the carrier 1, but the present invention is not limited to this and can be changed as appropriate. For example, the entrance / exit of the carrier 1 may be configured to include only the lower door 22.

また、実施例１においては、第１踏板１１の掛渡し方向（ｙ方向）の長さを６５０ｍｍとしたが、必ずしもこれに限定されず適宜変更が可能である。例えば、７００ｍｍ以上としてもよいし、６００ｍｍ以下としてもよい。少なくとも搬器１から各階のフロアＦまで掛渡せる長さであればよい。 Further, in the first embodiment, the length of the first tread plate 11 in the hanging direction (y direction) is set to 650 mm, but the length is not necessarily limited to this and can be changed as appropriate. For example, it may be 700 mm or more, or 600 mm or less. The length may be at least as long as it can be hung from the carrier 1 to the floor F of each floor.

（工事用エレベータの踏み板駆動方法）
搬器１が各階に停止すると、第１踏板掛渡し工程を実施する。すなわち、搬器１に乗っているオペレータが上扉２１及び下扉２２を開放するスイッチを押す。すると、第１踏板１１を搬器１と各階のフロアＦとの間に掛け渡すように駆動するとともに、上扉２１が上昇し下扉２２が下降するように駆動する。それに伴い、伸縮部材１２、１２が駆動してロッドの収縮を開始させる。またほぼ同時に上扉２１が上昇を開始し、下扉２２が下降を開始する。 (How to drive the tread plate of a construction elevator)
When the carrier 1 stops on each floor, the first tread board hanging process is carried out. That is, the operator on the carrier 1 presses the switch for opening the upper door 21 and the lower door 22. Then, the first tread plate 11 is driven so as to hang between the carrier 1 and the floor F of each floor, and the upper door 21 is driven to rise and the lower door 22 is driven to descend. Along with this, the telescopic members 12 and 12 are driven to start the contraction of the rod. At about the same time, the upper door 21 starts to rise and the lower door 22 starts to descend.

図５を参照して説明すると、搬器１昇降時は、第１踏板１１は倒立した退避位置に位置するとともに、下扉２２は上昇して第２踏板２３を押上げることにより倒立させている（図５（ａ））。第１踏板掛渡し工程を実施すると伸縮部材１２、１２が収縮を開始しロッド１６が収縮し始めて、第１踏板１１が次第に支点を軸にして掛渡位置へと回動する（図５（ｂ））。そして、ロッド１６が完全に収縮した位置に退くと第１踏板１１に付勢されているバネ部材１８により、連結アーム１５、アームＡ１４、アームＢ１３が回動し、第１踏板１１の先端が各階のフロアＦに着地する。 Explaining with reference to FIG. 5, when the carrier 1 is raised and lowered, the first tread plate 11 is located at the inverted retracted position, and the lower door 22 is raised to push up the second tread plate 23 so that the first tread plate 11 is inverted (inverted position). FIG. 5 (a)). When the first tread plate hanging step is carried out, the telescopic members 12 and 12 start to contract, the rod 16 starts to contract, and the first tread plate 11 gradually rotates to the hanging position around the fulcrum (FIG. 5 (b). )). Then, when the rod 16 retreats to a completely contracted position, the connecting arm 15, arm A14, and arm B13 are rotated by the spring member 18 urged to the first tread plate 11, and the tip of the first tread plate 11 is on each floor. Land on floor F of.

また、下扉２２が完全に下降して開放することにより、第１踏板１１の各階フロアＦへの着地より少し遅れて第２踏板２３が支点を軸にして回動し第１踏板１１の上に着地する。これにより、第２踏板掛渡し工程が実施され、第２踏板２３が搬器１内の床と第１踏板１１との間に掛渡される。 Further, when the lower door 22 is completely lowered and opened, the second tread plate 23 rotates about the fulcrum a little later than the landing of the first tread plate 11 on each floor floor F, and is above the first tread plate 11. Land on. As a result, the second tread plate hanging step is carried out, and the second tread plate 23 is hung between the floor in the carrier 1 and the first tread plate 11.

このように、第１踏板１１、伸縮部材１２、１２、及びその駆動機構（ロッド１６、アダプタ１７、連結アーム１５、アームＡ１４、アームＢ１３）を搬器１の外部に設けているため、下扉２２の下降動作と並行して第１踏板１１の着地動作とを行うことができる。そのため、各階に搬器１が停止してから人や荷物の乗降開始までの時間を短くすることができる。 As described above, since the first tread plate 11, the telescopic members 12, 12 and their drive mechanisms (rod 16, adapter 17, connecting arm 15, arm A14, arm B13) are provided outside the carrier 1, the lower door 22 The landing operation of the first tread plate 11 can be performed in parallel with the descending operation of. Therefore, it is possible to shorten the time from the stop of the carrier 1 on each floor to the start of getting on and off of people and luggage.

また、搬器１の下扉２２の外側と各階のフロアＦとの間にできる隙間を第１踏板１１により跨ぎ、搬器１における下扉２２が下降したときにできる搬器１の床と第１踏板１１との間の隙間を第２踏板２３が跨ぐことにより、各階のフロアから搬器の床までの距離が大きい場合にも対応可能な工事用エレベータを実現することができるとともに、安全に人や荷物を乗降させることができる。 Further, the first tread plate 11 straddles the gap formed between the outside of the lower door 22 of the carrier 1 and the floor F of each floor, and the floor of the carrier 1 and the first tread plate 11 formed when the lower door 22 of the carrier 1 is lowered. By straddling the gap between the two treads 23, it is possible to realize a construction elevator that can handle a large distance from the floor of each floor to the floor of the carrier, and safely carry people and luggage. You can get on and off.

なお、実施例１においては、第１踏板１１が掛渡位置に移動し、次に、第１踏板１１との間の隙間を下扉２２の下降動作により第２踏板２３が跨ぐように掛渡位置に位置する構成としたが、必ずしもこれに限定されず適宜変更が可能である。例えば、下扉の下降動作によらず、下扉及び上扉が上昇する場合であっても第１踏板１１の駆動構造を採用することができる。この場合は、下扉の上昇による開放に伴って第２踏板２３が掛渡位置に位置するように構成すればよい。 In the first embodiment, the first tread plate 11 is moved to the hanging position, and then the second tread plate 23 is hung so as to straddle the gap between the first tread plate 11 and the first tread plate 11 by the lowering operation of the lower door 22. The configuration is located at a position, but the configuration is not necessarily limited to this and can be changed as appropriate. For example, the drive structure of the first tread plate 11 can be adopted even when the lower door and the upper door are raised regardless of the lowering operation of the lower door. In this case, the second tread plate 23 may be configured to be located at the hanging position as the lower door is opened by ascending.

このように実施例１においては、建設中の建物に設置する工事用エレベータであって、
ラックギアを備えたガイドレールと、
前記ガイドレールに沿って昇降し各階に停止可能な搬器と、
前記搬器の出入口に設けた下扉と、
前記下扉の外側と各階のフロアとの間に掛け渡す第１踏板と、
前記第１の踏板と前記搬器内の床との間に掛け渡す第２踏板と、を備えたことを特徴とする工事用エレベータにより、各階のフロアから搬器の床までの距離が大きい場合にも対応可能な工事用エレベータを実現することができる。 As described above, in the first embodiment, the construction elevator is installed in the building under construction.
Guide rails with rack gear and
A carrier that can move up and down along the guide rail and stop on each floor,
The lower door provided at the entrance and exit of the carrier and
The first tread that runs between the outside of the lower door and the floor of each floor,
Even when the distance from the floor of each floor to the floor of the carrier is large, the construction elevator is provided with a second step board that is hung between the first tread plate and the floor inside the carrier. It is possible to realize a construction elevator that can handle it.

また、建設中の建物に設置する工事用エレベータの踏板駆動方法であって、
ラックギアを備えたガイドレールと、
前記ガイドレールに沿って昇降し各階に停止可能な搬器と、
前記搬器の出入口に設けた下扉と、
第１踏板及び第２踏板と、を有した工事用エレベータにおいて、
前記搬器が各階に停止した際に、前記下扉の外側に設けられた第１踏板を各階のフロアとの間に掛け渡すように駆動するとともに、前記下扉を開放するように駆動する第１踏板掛渡し工程と、
前記搬器内の床と前記第１踏板との間に第２踏板を掛渡す第２踏板掛渡し工程と、を備えたことを特徴とする工事用エレベータの踏板駆動方法により、各階のフロアから搬器の床までの距離が大きい場合にも対応可能な工事用エレベータを実現することができる。 It is also a method of driving the treads of a construction elevator installed in a building under construction.
Guide rails with rack gear and
A carrier that can move up and down along the guide rail and stop on each floor,
The lower door provided at the entrance and exit of the carrier and
In a construction elevator having a first tread plate and a second tread plate,
When the carrier stops on each floor, the first tread plate provided on the outside of the lower door is driven so as to hang between the floors of each floor and the lower door is opened. Tread board hanging process and
By a method of driving a tread plate of a construction elevator, which comprises a second tread plate hanging process of hanging a second tread plate between the floor in the carrier and the first tread plate, the carrier is carried from the floor of each floor. It is possible to realize a construction elevator that can handle even when the distance to the floor is large.

本発明における工事用エレベータ、及び工事用エレベータの踏板駆動方法は、工事用エレベータの分野に広く用いることができる。 The construction elevator and the tread drive method of the construction elevator in the present invention can be widely used in the field of construction elevators.

１：搬器
２：ガイドレール
１１：第１踏板
１２：伸縮部材
１３：アームＢ
１４：アームＡ
１５：連結アーム
１６：ロッド
１７：アダプタ
１８：バネ部材
２１：上扉
２２：下扉
２３：第２踏板
１００：工事用エレベータ
Ａ：遊び
Ｆ：各階のフロア
１Ｆ：搬器の床 1: Carrier
2: Guide rail
11: First tread
12: Telescopic member
13: Arm B
14: Arm A
15: Connecting arm
16: Rod
17: Adapter
18: Spring member
21: Upper door
22: Lower door
23: Second tread
100: Construction elevator
A: Play
F: Floors on each floor
1F: Carrier floor

Claims (4)

建設中の建物に設置する工事用エレベータであって、
ラックギアを備えたガイドレールと、
前記ガイドレールに沿って昇降し各階に停止可能な搬器と、
前記搬器の出入口に設けた下扉と、
前記下扉の外側と各階のフロアとの間に掛け渡す第１踏板と、
前記第１踏板と前記搬器内の床との間に掛け渡す第２踏板と、を備えたことを特徴とする工事用エレベータ。 A construction elevator to be installed in a building under construction
Guide rails with rack gear and
A carrier that can move up and down along the guide rail and stop on each floor,
The lower door provided at the entrance and exit of the carrier and
The first tread that runs between the outside of the lower door and the floor of each floor,
A construction elevator characterized by comprising a second tread plate extending between the first tread plate and the floor in the carrier. 前記第１踏板は、前記搬器の外部に設けた伸縮部材のロッドの伸縮により、掛渡位置と退避位置との間で回動可能であり、
前記伸縮部材のロッドが収縮したときに当該第１踏板は掛渡位置に回動するとともに、前記伸縮部材のロッドが伸長したときに当該第１踏板は退避位置に回動することを特徴とする請求項１に記載の工事用エレベータ。 The first tread plate can rotate between the hanging position and the retracting position by expanding and contracting the rod of the expansion / contraction member provided outside the carrier.
When the rod of the telescopic member contracts, the first tread plate rotates to the hanging position, and when the rod of the telescopic member expands, the first tread plate rotates to the retracted position. The construction elevator according to claim 1. 前記第１踏板が水平の掛渡位置にあるとき、掛渡位置に向かう回動方向に遊びを有していることを特徴とする請求項１又は２に記載の工事用エレベータ。 The construction elevator according to claim 1 or 2, wherein when the first tread plate is in a horizontal hanging position, there is play in the rotation direction toward the hanging position. 建設中の建物に設置する工事用エレベータの踏板駆動方法であって、
ラックギアを備えたガイドレールと、
前記ガイドレールに沿って昇降し各階に停止可能な搬器と、
前記搬器の出入口に設けた下扉と、
第１踏板及び第２踏板と、を有した工事用エレベータにおいて、
前記搬器が各階に停止した際に、前記下扉の外側に設けられた前記第１踏板を各階のフロアとの間に掛け渡すように駆動するとともに、前記下扉を開放するように駆動する第１踏板掛渡し工程と、
前記搬器内の床と前記第１踏板との間に前記第２踏板を掛渡す第２踏板掛渡し工程と、
を備えたことを特徴とする工事用エレベータの踏板駆動方法。
It is a method of driving the treads of a construction elevator installed in a building under construction.
Guide rails with rack gear and
A carrier that can move up and down along the guide rail and stop on each floor,
The lower door provided at the entrance and exit of the carrier and
In a construction elevator having a first tread plate and a second tread plate,
When the carrier stops on each floor, the first tread plate provided on the outside of the lower door is driven so as to hang between the floors of each floor and the lower door is opened. 1 step board hanging process and
A second step board hanging step of hanging the second step board between the floor in the carrier and the first step board, and
A method of driving a tread plate of a construction elevator, which is characterized by being equipped with.
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