JP2004149258A - Balance weight supporting device of elevator - Google Patents

Balance weight supporting device of elevator Download PDF

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Publication number
JP2004149258A
JP2004149258A JP2002316256A JP2002316256A JP2004149258A JP 2004149258 A JP2004149258 A JP 2004149258A JP 2002316256 A JP2002316256 A JP 2002316256A JP 2002316256 A JP2002316256 A JP 2002316256A JP 2004149258 A JP2004149258 A JP 2004149258A
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JP
Japan
Prior art keywords
counterweight
jack
elevator
balance weight
car
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP2002316256A
Other languages
Japanese (ja)
Inventor
Kiyoshi Naganuma
清 長沼
Toshiyuki Tadokoro
俊之 田所
Mizuki Gomi
瑞樹 五味
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Building Systems Co Ltd
Original Assignee
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
Application filed by Hitachi Building Systems Co Ltd filed Critical Hitachi Building Systems Co Ltd
Priority to JP2002316256A priority Critical patent/JP2004149258A/en
Publication of JP2004149258A publication Critical patent/JP2004149258A/en
Pending legal-status Critical Current

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Abstract

<P>PROBLEM TO BE SOLVED: To provide a balance weight supporting device for an elevator capable of eliminating necessity for performing a prior examination before starting the works and supporting a balance weight efficiently and economically. <P>SOLUTION: The balance weight supporting device of the elevator is structured so that a receptacle member 20 and a mounting base 22 are installed in such a manner as pinching a rail 7 for the balance weight and a jack base 23 is secured to the receptacle member 20. A jack 21 is inserted to the jack base 23, and a single pipe 24 for scaffold is inserted to the jack 21, and the single pipe 24 is adjusted by the jack 21 so as to make contact with the bracket 4a whereto a guide shoe 4a below the balance weight 4 is secured. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【発明の属する技術分野】
本発明は、エレベーターのつり合いおもり支持装置に関する。
【0002】
【従来の技術】
従来、エレベーターの主ロープ交換、昇降路頂部プーリー交換等の作業で、つり合いおもりは昇降路の底部で固定支持され、その支持装置にあっては、昇降路の下部で向き合うつり合いおもり用レール間に立設された緩衝器の両側に立設し、上下に同一軸心線上に連結される複数本の支えで、つり合いおもり下部を支えるエレベーターのつり合いおもり支持治工具が提案されている。
【0003】
これは、昇降路下部のピット面または緩衝器台でつり合いおもりの質量を受けて行うものである(例えば、特許文献1参照。)。
【0004】
また、昇降路底部に立設させ、つり合いおもり用レールに仮固定した支柱とつり合いおもり下部との間に伸縮手段を設けた支持装置が提案されている。
【0005】
これは、つり合いおもりの固定する位置の変動に伸縮手段で対応するものである(例えば、特許文献2参照。)。
【0006】
【特許文献1】
特開平11−124285号公報
(段落番号0022−0029、第1図)
【0007】
【特許文献2】
特開平6−92569号公報
(段落番号0010−0014、第1図)
【0008】
【発明が解決しようとする課題】
しかし、前記従来技術では、かご上を作業足場とした場合、作業者がかご上と最上階ホールとの出入りを行うため、かごを停止する位置はおのずと、本来の着床位置より低い位置であり、その分、つり合いおもりの停止位置は高くなる。このつり合いおもりを固定する位置は現場によって、ピット面または緩衝器台とつり合いおもり下部との距離がさまざまなため、その都度、連結される複数の支えを用意しなくてはならない。前記距離変化対応として一本の支柱と伸縮手段が提案されているものの、伸縮手段で網羅できる範囲は限られており、支柱自身、長さの違う支柱を多数用意しなくてはならない。
【0009】
また、機種または現場環境によって、ピット面または緩衝器台の上面構造が違うため、ピット面または緩衝器台に直接接する支えまたは支柱は底部構造を多数用意しなくてはならない。
【0010】
そのため、部品点数が多いことより治工具の管理が煩雑となり、更に、現場毎の構造確認と多数の治工具類の搬送などが発生し、作業効率が悪く、経済的にも問題があった。
【0011】
本発明は以上の問題点を鑑みてなされたもので、その目的はエレベーターの現場毎の確認を必要とせず、部品点数を少なくして作業効率のよいつり合いおもりの支持が可能となるエレベーターのつり合いおもり支持装置を提供するにある。
【0012】
【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、ロープを介してかごとつり合いおもりが連動するエレベーターのつり合いおもりの支持装置において、つり合いおもり用レールにレールクリップで取り付ける支持台と、前記支持台に固定したジャッキと、前記ジャッキに挿入した単管パイプを設ける構成とした。
【0013】
このように本発明においては、つり合いおもりをガイドするレールに固定した支持台で支えるので、昇降路のピット面または緩衝器台上面を用いることなく支えることができることから、現場毎の構造確認を行うことなくつり合いおもりを支持することができる。
【0014】
【発明の実施の形態】
以下、本発明の一実施の形態を図1〜図4に基づき説明する。図1は本発明のエレベーターのつり合いおもり支持装置の一実施形態を示す側面図、図2は本発明のエレベーターのつり合いおもり支持装置を示す正面図、図3はエレベーターの構造を示す断面図、図4は従来技術のつり合いおもり支持装置を示す断面図である。
【0015】
図3を用いてエレベーター構成を説明する。1は昇降路、3は主ロープ2を介してつり合いおもり4と連動するかご、5はかご3をガイドするかご側レール、6は昇降路1の底部1aのかご側レール5間に立設する緩衝器、7はつり合いおもり4をガイドするつり合いおもり側レール、8は昇降路1の底部1aのつり合いおもり側レール7間に立設する緩衝器、緩衝器6、8は底部1aに固定された緩衝器台6a、8aの上面に固定されている。
【0016】
かご側レール5またはつり合いおもり側レール7は昇降路1壁にレール固定ブラケット5a、7aで固定支持されている。
【0017】
前記ロープ2は昇降路1の頂部1bに設けてあるロープエンドビーム10に備えた端部張力調整バネ2aに固定され、そこから、かご3下プーリー3a、ロープエンドビーム10に固定している頂部プーリー10a、駆動装置9、頂部プーリー10b、つり合いおもり4のプーリー4aを通って端部張力調整バネ2bで固定されている。
【0018】
図4を用いて従来のつり合いおもり支持固定方法を説明する。
【0019】
昇降路1の頂部1bに設けられている頂部プーリー10aの図示しないベアリング交換作業では、かご3上を作業場として交換する場合、頂部1bにかご3を図示しないチェーンブロックと吊りワイヤでかご3を吊り、つり合いおもり4は底部1aのつり合いおもり側緩衝器台8a上に支柱11を立設し、前記支柱11上に伸縮手段12を設け、つり合いおもり4の下部を受けて支持し、主ロープ2に掛かるかご3とつり合いおもり4の負荷を除去し、頂部プーリー10aの図示しないベアリング交換作業を行う。
【0020】
このつり合いおもり4の支持する高さは、かご3を固定する位置により決定され、その固定位置は、かご3上天井床と頂部プーリー10a固定部との距離が作業者にとって安全に作業可能な距離を得られる位置である。
【0021】
そのため、所定の長さである支柱11と伸縮手段12にてつり合いおもり4を支持するには、最上階13にかご3が着床した時のかご3上天井とロープエンドビーム8との距離によっては、支柱11と伸縮手段12には、一般的に500〜2000mmの対応能力を要求され、現場環境によっては、昇降路1の頂部1bに高さ余裕があり、その余裕に合わせてロープエンドビーム10が高い位置に取り付けられている場合、支柱11と伸縮手段12には更に対応能力が求められ、支柱11は数種類の長さが必要である。
【0022】
また、緩衝器台8aの上面は機種により構造が異なり、支柱11を緩衝器台8aの上面で固定することは困難であり、つり合いおもり側レール6を利用して支柱11を固定するが、つり合いおもり4質量を受ける緩衝器台8aの上面と支柱11の接触の確実性が乏しい。
【0023】
本発明は、この緩衝器台8aの上面構造とかご3を固定する位置によるつり合いおもり4の固定位置の変動に迅速に対応可能とすることを目的とした。
【0024】
図1を用いて本発明のつり合いおもり支持装置の構成を説明する。
【0025】
20はジャッキ21の受け部材、22は受け部材20と固定ボルト22aで一体となりつり合いおもり用レール7にレールクリップ22bで固定される取り付けベース、23は受け部材20の上面に固定ボルト23aで一体となるジャッキベース、24は足場用単管である。
【0026】
ここで、図2の正面図を用いて、更に構造を説明する。
【0027】
受け部材20と取り付けベース22はつり合いおもり用レール7を挟む形で取り付けられ、受け部材20にジャッキベース23を固定する。
【0028】
ジャッキベース23にジャッキ21を挿入し、ジャッキ21に足場用単管24を挿入し、足場用単管24をつり合いおもり4下部のガイドシュー4aを固定するブラケット4aに接するようにジャッキ21で調整する。
【0029】
対向して設けられているつり合いおもり用レール7の各々に受け部材20を取り付け、つり合いおもり4のブラケット4aに均等に足場用単管24が接するようにジャッキ21を用いて調整する。足場用単管24がブラケット4aに接した後、つり合いおもり4の質量を受け部材20に掛けるため、かご3を図示しないチェーンブロックで吊り上げ、つり合いおもり4を下げて、つり合いおもり4の質量を掛けて固定支持できる。
【0030】
これにより、最上階13にかご3が着床した時のかご3上天井とロープエンドビーム8との距離が変化しても、受け部材20と取り付けベース22をつり合いおもり用レール7に挟む形で取り付けられるので、所定の長さである足場用単管24とジャッキ21で支持可能であり、ジャッキ21または足場用単管24を複数用意することなく、効率よく経済的につり合いおもりの固定支持作業を実施できる。
【0031】
本実施形態では、巻上機が昇降路下部に設置される機械室レスエレベーターの例で示したが、巻上機が昇降路上部に配置される機械室レスエレベーターまたは機械室ありで2:1ローピングのエレベーターであっても、先の実施形態と同様の効果を得ることができる。
【0032】
【発明の効果】
以上説明したように、最上階にかごが着床した時のかご上天井とロープエンドビームとの距離が変化しても、受け部材と取り付けベースをつり合いおもり用レールに挟む形で取り付け、所定の長さである足場用単管とジャッキで支持可能であり、ジャッキまたは足場用単管を複数用意することなく、効率よく経済的につり合いおもりの固定支持作業を実施できる。
【0033】
これにより、最上階にかごが着床した時のかごの上天井とロープエンドビームとの距離が変化しても、受け部材と取り付けベースをつり合いおもり用レールに挟む形で取り付けられるので、所定の長さである足場用単管とジャッキで支持可能であり、ジャッキまたは足場用単管を複数用意することなく、効率よく経済的につり合いおもりの固定支持作業を実施できる。
【図面の簡単な説明】
【図1】本発明のエレベーターのつり合いおもり支持装置の一実施形態を示す側面図である。
【図2】本発明のエレベーターのつり合いおもり支持装置を示す正面図である。
【図3】エレベーターの構造を示す断面図である。
【図4】従来技術のつり合いおもり支持装置を示す断面図である。
【符号の説明】
1 昇降路
2 主ロープ
3 かご
4 つり合いおもり
5 かご側レール
6 緩衝器
7 つり合いおもり側レール
8 緩衝器
9 駆動装置
10 ロープエンドビーム
11 支柱
12 伸縮手段
13 最上階
20 受け部材
21 ジャッキ
22 取り付けベース
23 ジャッキベース
24 足場用単管
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a counterweight support device for an elevator.
[0002]
[Prior art]
Conventionally, counterweights are fixed and supported at the bottom of the hoistway by work such as replacing the main rope of the elevator, replacing the pulley at the top of the hoistway, and in the supporting device, between the counterweight rails facing the lower part of the hoistway. There has been proposed a counterweight support jig for an elevator which supports a lower portion of a counterweight by means of a plurality of supports which are erected on both sides of the erected shock absorber and connected vertically on the same axis.
[0003]
This is performed by receiving the weight of the counterweight at the pit surface or the buffer stand at the lower part of the hoistway (for example, see Patent Document 1).
[0004]
Further, there has been proposed a supporting device which is provided upright at the bottom of a hoistway, and has a telescopic means provided between a column temporarily fixed to a counterweight rail and a lower portion of the counterweight.
[0005]
This corresponds to a change in the position where the counterweight is fixed by the expansion and contraction means (for example, see Patent Document 2).
[0006]
[Patent Document 1]
JP-A-11-124285 (paragraph number 0022-0029, FIG. 1)
[0007]
[Patent Document 2]
JP-A-6-92569 (Paragraph No. 0010-0014, FIG. 1)
[0008]
[Problems to be solved by the invention]
However, according to the conventional technique, when a car is used as a work scaffold, the worker enters and exits the top floor hall with the car, so the position where the car is stopped is naturally a position lower than the original landing position. Accordingly, the stop position of the counterweight becomes higher. Depending on the location where the counterweight is fixed, the distance between the pit surface or the buffer stand and the lower portion of the counterweight varies, so that a plurality of supports to be connected must be prepared each time. Although a single column and an expansion / contraction unit have been proposed to cope with the distance change, the range that can be covered by the expansion / contraction unit is limited, and a large number of columns with different lengths have to be prepared.
[0009]
In addition, since the pit surface or the top structure of the shock absorber base is different depending on the model or the site environment, a large number of bottom structures must be prepared for the supports or columns that directly contact the pit surface or the shock absorber base.
[0010]
Therefore, the management of jigs and tools becomes complicated due to the large number of parts, and furthermore, the structure of each site is checked and a large number of jigs and tools are conveyed, resulting in poor work efficiency and economic problems.
[0011]
SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and its object is to eliminate the need for confirmation of each elevator site, to reduce the number of parts, and to increase the work efficiency. It is to provide a weight support device.
[0012]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a support device for a counterweight of an elevator in which a counterweight and a cage are interlocked via a rope, a support table attached to a rail for the counterweight with a rail clip, and a jack fixed to the support table. And a single pipe inserted into the jack.
[0013]
As described above, in the present invention, since the counterweight is supported by the support fixed to the rail for guiding the counterweight, it can be supported without using the pit surface of the hoistway or the upper surface of the shock absorber base. The balance weight can be supported without any problem.
[0014]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a side view showing an embodiment of a counterweight supporting device for an elevator of the present invention, FIG. 2 is a front view showing a counterweight supporting device for an elevator of the present invention, and FIG. 3 is a sectional view showing the structure of the elevator. FIG. 4 is a sectional view showing a conventional counterweight support device.
[0015]
The configuration of the elevator will be described with reference to FIG. 1 is a hoistway, 3 is a car linked with a counterweight 4 via a main rope 2, 5 is a car-side rail for guiding the car 3, and 6 is a stand between the car-side rails 5 of the bottom 1 a of the hoistway 1. A buffer, 7 is a counterweight side rail for guiding the counterweight 4, 8 is a buffer standing upright between the counterweight rails 7 on the bottom 1a of the hoistway 1, and buffers 6 and 8 are fixed to the bottom 1a. It is fixed to the upper surfaces of the shock absorber bases 6a and 8a.
[0016]
The car side rail 5 or the counterweight side rail 7 is fixedly supported by the rail fixing brackets 5a and 7a on the hoistway 1 wall.
[0017]
The rope 2 is fixed to an end tension adjusting spring 2a provided on a rope end beam 10 provided on a top 1b of a hoistway 1, and from there, a car 3 lower pulley 3a and a top fixed to the rope end beam 10. It passes through the pulley 10a, the driving device 9, the top pulley 10b, and the pulley 4a of the counterweight 4, and is fixed by the end tension adjusting spring 2b.
[0018]
A conventional counterweight supporting and fixing method will be described with reference to FIG.
[0019]
In the bearing replacement work (not shown) of the top pulley 10a provided on the top 1b of the hoistway 1, when the car 3 is replaced as a work place, the car 3 is hung on the top 1b with a chain block (not shown) and hanging wires. The counterweight 4 has a support 11 erected on the counterweight side shock absorber base 8a of the bottom 1a, an expansion means 12 is provided on the support 11, and the lower part of the counterweight 4 is received and supported. The load on the hanging car 3 and the counterweight 4 is removed, and a bearing replacement operation (not shown) of the top pulley 10a is performed.
[0020]
The height supported by the counterweight 4 is determined by the position at which the car 3 is fixed, and the fixed position is determined by the distance between the upper ceiling floor of the car 3 and the fixed portion of the top pulley 10a, at which the worker can safely work. It is a position where you can get.
[0021]
Therefore, in order to support the counterweight 4 with the support 11 having a predetermined length and the expansion / contraction means 12, the distance between the upper ceiling of the car 3 and the rope end beam 8 when the car 3 has landed on the top floor 13 is determined. In general, the column 11 and the expansion / contraction means 12 are required to have a capacity of 500 to 2000 mm. Depending on the site environment, there is a height margin at the top 1b of the hoistway 1, and the rope end beam is adjusted according to the margin. When 10 is mounted at a high position, the column 11 and the expansion / contraction means 12 are required to have further responsiveness, and the column 11 needs several lengths.
[0022]
In addition, the upper surface of the shock absorber base 8a has a different structure depending on the model, and it is difficult to fix the support 11 on the upper surface of the shock absorber base 8a, and the support 11 is fixed by using the counterweight side rail 6; The reliability of the contact between the upper surface of the shock absorber base 8a receiving the weight 4 and the support 11 is poor.
[0023]
An object of the present invention is to be able to quickly respond to a change in the fixing position of the counterweight 4 due to the upper surface structure of the shock absorber base 8a and the position where the car 3 is fixed.
[0024]
The configuration of the counterweight support device of the present invention will be described with reference to FIG.
[0025]
Reference numeral 20 denotes a receiving member of the jack 21, reference numeral 22 denotes a mounting base integrally fixed to the receiving member 20 with the fixing bolt 22a, and is fixed to the counterweight rail 7 by the rail clip 22b. Reference numeral 23 denotes an integral part of the upper surface of the receiving member 20 with the fixing bolt 23a. The jack base 24 is a single pipe for a scaffold.
[0026]
Here, the structure will be further described with reference to the front view of FIG.
[0027]
The receiving member 20 and the mounting base 22 are mounted so as to sandwich the counterweight rail 7, and fix the jack base 23 to the receiving member 20.
[0028]
The jack 21 is inserted into the jack base 23, the scaffolding single tube 24 is inserted into the jack 21, and the scaffolding single tube 24 is balanced and adjusted with the jack 21 so as to be in contact with the bracket 4 a for fixing the guide shoe 4 a below the weight 4. .
[0029]
The receiving member 20 is attached to each of the counterweight rails 7 provided opposite to each other, and the jack 21 is adjusted so that the scaffolding single pipe 24 is evenly in contact with the bracket 4 a of the counterweight 4. After the scaffolding single tube 24 comes into contact with the bracket 4a, in order to hang the weight of the counterweight 4 on the receiving member 20, the car 3 is lifted by a chain block (not shown), the weight 4 is lowered, and the weight of the counterweight 4 is hung. Can be fixedly supported.
[0030]
Thereby, even when the distance between the upper ceiling of the car 3 and the rope end beam 8 when the car 3 has landed on the top floor 13 changes, the receiving member 20 and the mounting base 22 are balanced and sandwiched between the weight rails 7. Since it can be attached, it can be supported by the scaffolding single tube 24 having a predetermined length and the jack 21, and efficiently and economically fixing and supporting the counterweight without preparing a plurality of jacks 21 or scaffolding single tubes 24. Can be implemented.
[0031]
In the present embodiment, an example of the machine room-less elevator in which the hoisting machine is installed at the lower part of the hoistway is shown, but the machine roomless elevator or the machine room where the hoisting machine is installed at the upper part of the hoistway is 2: 1. Even with a roping elevator, the same effects as in the previous embodiment can be obtained.
[0032]
【The invention's effect】
As described above, even when the distance between the car top ceiling and the rope end beam when the car has landed on the top floor changes, the receiving member and the mounting base are balanced and attached to the weight rail, and The length can be supported by the scaffolding single tube and the jack, and the fixing and supporting work of the counterweight can be efficiently and economically performed without preparing a plurality of jacks or scaffolding single tubes.
[0033]
As a result, even if the distance between the upper ceiling of the car and the rope end beam when the car has landed on the top floor changes, the receiving member and the mounting base are mounted in such a manner that they are balanced and sandwiched between the weight rails. The length can be supported by the scaffolding single tube and the jack, and the fixing and supporting work of the counterweight can be efficiently and economically performed without preparing a plurality of jacks or scaffolding single tubes.
[Brief description of the drawings]
FIG. 1 is a side view showing an embodiment of a counterweight support device for an elevator of the present invention.
FIG. 2 is a front view showing a counterweight supporting device for an elevator according to the present invention.
FIG. 3 is a sectional view showing the structure of the elevator.
FIG. 4 is a cross-sectional view showing a prior art counterweight support device.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Hoistway 2 Main rope 3 Car 4 Balancing weight 5 Car side rail 6 Shock absorber 7 Balancing weight side rail 8 Shock absorber 9 Driving device 10 Rope end beam 11 Strut 12 Stretching means 13 Top floor 20 Receiving member 21 Jack 22 Mounting base 23 Jack base 24 Single pipe for scaffold

Claims (1)

ロープを介してかごとつり合いおもりが連動するエレベーターのつり合いおもりの支持装置において、つり合いおもり用レールにレールクリップで取り付ける支持台と、前記支持台に固定したジャッキと、前記ジャッキに挿入した単管パイプを設けたことを特徴とするエレベーターのつり合いおもり支持装置。In a support device for a counterweight of an elevator in which a basket and a counterweight are interlocked via a rope, a support base attached to a rail for the counterweight with a rail clip, a jack fixed to the support table, and a single pipe inserted into the jack An equilibrium weight support device for an elevator, comprising:
JP2002316256A 2002-10-30 2002-10-30 Balance weight supporting device of elevator Pending JP2004149258A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1674416A1 (en) * 2004-12-23 2006-06-28 ThyssenKrupp Aufzugswerke GmbH Elevator and elevator car
JP2019202868A (en) * 2018-05-24 2019-11-28 株式会社日立ビルシステム Counterweight receiving tool for elevator and method of mounting counterweight receiving tool
JP2020117394A (en) * 2019-01-28 2020-08-06 株式会社日立ビルシステム Elevator balance weight receiving tool and mounting method of balance weight receiving tool
US20220250875A1 (en) * 2021-02-05 2022-08-11 Fujitec Co., Ltd. Support Jig for Assembling Elevator Car

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1674416A1 (en) * 2004-12-23 2006-06-28 ThyssenKrupp Aufzugswerke GmbH Elevator and elevator car
JP2019202868A (en) * 2018-05-24 2019-11-28 株式会社日立ビルシステム Counterweight receiving tool for elevator and method of mounting counterweight receiving tool
JP2020117394A (en) * 2019-01-28 2020-08-06 株式会社日立ビルシステム Elevator balance weight receiving tool and mounting method of balance weight receiving tool
US20220250875A1 (en) * 2021-02-05 2022-08-11 Fujitec Co., Ltd. Support Jig for Assembling Elevator Car
US11655124B2 (en) * 2021-02-05 2023-05-23 Fujitec Co., Ltd. Support jig for assembling elevator car

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