JPH02169484A - Temporarily installed pit for tenewal construction for elevator - Google Patents
Temporarily installed pit for tenewal construction for elevatorInfo
- Publication number
- JPH02169484A JPH02169484A JP32434788A JP32434788A JPH02169484A JP H02169484 A JPH02169484 A JP H02169484A JP 32434788 A JP32434788 A JP 32434788A JP 32434788 A JP32434788 A JP 32434788A JP H02169484 A JPH02169484 A JP H02169484A
- Authority
- JP
- Japan
- Prior art keywords
- temporary
- car
- temporarily installed
- stop device
- load
- 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
Links
- 238000010276 construction Methods 0.000 title description 7
- 239000000872 buffer Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 12
- 239000006096 absorbing agent Substances 0.000 claims description 9
- 230000035939 shock Effects 0.000 claims description 9
- 101150054854 POU1F1 gene Proteins 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
Description
この発明は、ニレベークの乗かごを新しいものに取り替
えるエレベータの更新工法に用いる仮設ビットに関する
ものである。The present invention relates to a temporary bit used in an elevator renewal method in which a Nirebake car is replaced with a new one.
第３図は例えば特開昭６３−１８９３７６号公報に示さ
れた従来の更新工法を説明するためのエレベータ全体の
縦断側面図、第４図は第３図の仮設ビットの詳細を示す
拡大縦断側面図である。第３図、第４図において、１は
昇降路、２は昇降路１の上方に設けた機械室、３は昇降
路１の下方に設けられたピ・ソト部、４は昇降路１内の
最下階床より上方に設けられた仮設ビット、５ｎ、５ｂ
。
５ｃ ・ ５ｎ−１，５ｎは各階の乗場床、６は既設乗
かご、７は新規の乗かご、８はつり合いおもり、９はか
ご側ガイドレール、１０ばおもり側ガイドレール、１１
は主ロープである。１２ａ、１２ｂは仮設ビット４を構
成するための仮設ビット枠枠、１３．１４はビット部３
の床上に設けられたかご緩衝器、おもり緩衝器、１５ａ
は仮設ピッド枠１２ａ上に設けられた仮設かご緩ｍ器で
ある。
このエレベータの改新工法は、最下階床より１階以上上
方の昇降＠１内に仮設ピッ１〜４を設け、昇降路１の仮
設ビット４上方で既設乗かご６を昇降可能とし、更新作
業時間以外は仮設ビット４下方の一部を除く階床での既
設乗かご６による通常サービス運転ができるようにして
いる。
この更新工法における仮設ビット４の構造は、既設乗か
ご６が何等かの原因により下降しすぎて仮設かご緩衝９
１５ ａに衝突した時、その荷重を仮設ビット枠１２ａ
、１２ｂを介して昇降路１の内壁に支持させている。
また、第５図は例えば特開昭６３−２０２５７９号公報
に示された従来の更新工法による第４図相当図である。
この更新工法では、仮設かご緩衝器１５ａが緩衝器台１
７を介して仮設ビット支持梁１８に取り付けられ、これ
らの支持梁１８はかご側ガイドレール９に取り付けられ
ている。第６図は仮設ビット支持梁１８の取付構造を示
し、仮設ビット支持梁１８は２本の溝形鋼を、背中合わ
せにしてポルｌ−１８ａ、１８ｂでかご側がイドレル９
に締付け、これらを上下方向に複数組配設している。な
お、第６図において１９は仮設ピッ１−床、１９ａはこ
れに設けたがイドレール押通用の開口である。また、第
５図、第６図中、第３図。
第４図と同一符号は相当部分を示す。
第５図、第６図の更新工法におけろ仮設ビット４の構造
は、既設乗かご６が何等かの原因で仮設かご緩衝器１５
ａに衝突した時、その荷重を仮設かご緩衝器１５ａ、緩
衝器台１７および仮設ビット支持梁１８を介し昇降路１
に立設されたかご側ガイドレール９に支持している。
一般に、ビットに加わる衝撃荷重Ｐは、日本エレベータ
協会発行の「昇降機の技術基準の解説」７４頁によると
次式で示されている。
Ｐ＝２Ｗ（１＋７→宴−１）ＸＩ Ｏ” （ｔ）Ｗは
かごの総荷重、■は衝突時の速度（、／ｓ）ｇは重力加
速度９．８／ｓ２ｓはかご緩衛器の行程（ｍ）。
また、衝突時の速度は、非常止めが定格速度の１．４倍
で動作するようになっているため、最大となるかご定格
速度の１．４倍に設定することになっている。Fig. 3 is a longitudinal side view of the entire elevator for explaining the conventional renewal method disclosed in, for example, JP-A No. 63-189376, and Fig. 4 is an enlarged longitudinal side view showing details of the temporary bit in Fig. 3. It is a diagram. In Figures 3 and 4, 1 is a hoistway, 2 is a machine room provided above the hoistway 1, 3 is a pilot section provided below the hoistway 1, and 4 is a machine room provided in the hoistway 1. Temporary bits installed above the lowest floor, 5n, 5b
. 5c ・ 5n-1, 5n are the landing floors of each floor, 6 is the existing car, 7 is the new car, 8 is the counterweight, 9 is the car side guide rail, 10 is the weight side guide rail, 11
is the main rope. 12a and 12b are temporary bit frames for configuring temporary bit 4, 13.14 are bit parts 3
Car shock absorber, weight shock absorber, 15a installed on the floor of
is a temporary car loosener provided on the temporary pit frame 12a. In this elevator renovation method, temporary pits 1 to 4 are installed in the lift@1 at least one floor above the lowest floor, and the existing car 6 can be raised and lowered above the temporary bit 4 of the hoistway 1, and the renewal work is carried out. During non-working hours, normal service operation using the existing passenger car 6 is possible on the floor except for a part below the temporary bit 4. The structure of the temporary bit 4 in this renewal construction method is such that the existing car 6 has descended too much for some reason and the temporary car buffer 9
15a, the load is transferred to the temporary bit frame 12a.
, 12b are supported on the inner wall of the hoistway 1. Further, FIG. 5 is a view corresponding to FIG. 4 according to the conventional renewal method disclosed in, for example, Japanese Patent Application Laid-Open No. 63-202579. In this renewal construction method, the temporary car shock absorber 15a is
7 to temporary bit support beams 18, and these support beams 18 are attached to the car side guide rail 9. FIG. 6 shows the mounting structure of the temporary bit support beam 18. The temporary bit support beam 18 consists of two channel steels placed back to back with poles 18a and 18b, and the cage side is the idler 9.
Multiple sets of these are arranged in the vertical direction. In addition, in FIG. 6, 19 is a temporary pit 1-floor, and 19a is an opening provided therein for pushing the idle rail through. Also, FIGS. 5, 6, and 3. The same symbols as in FIG. 4 indicate corresponding parts. In the renewal construction method shown in Figs. 5 and 6, the structure of the temporary bit 4 is such that the existing car 6 is damaged by the temporary car buffer 15 due to some reason.
a, the load is transferred to the hoistway 1 via the temporary car shock absorber 15a, the shock absorber stand 17, and the temporary bit support beam 18.
It is supported on a car-side guide rail 9 that is erected. In general, the impact load P applied to the bit is expressed by the following formula, according to page 74 of "Explanation of Technical Standards for Elevators" published by the Japan Elevator Association. P=2W (1+7→banquet-1) (m). Also, since the emergency stop operates at 1.4 times the rated speed, the speed at the time of collision should be set to 1.4 times the maximum car rated speed. There is.
従来のエレベータの更新工法に用いる仮設ビットでは、
これを構成する仮設ビット枠枠などの部材は、既設乗か
この衝撃荷重を受けることを考慮して、強固にする必要
があり、仮設ビット枠を昇降路の内壁に固定する場合に
は、強度を確保するために多数のアンカーボルトを上記
内壁に固定する必要があり、またかご側ガイドレールに
仮設かご緩衝器を支持する部材を取り付ける場合には、
これらの部材の重量が重いため作業性が悪く、さらにガ
イドレールへのボルト締めによる摩擦力保持によりガイ
ドレールの表面を傷つけることがあるという問題点があ
った。
この発明は、上記のような問題点を解決するためになさ
れたもので、仮設ビット枠を昇降路の内壁に固定するた
めのアンカーポル■−の本数の削減り仮設かご１！衝器
を支持する部材の軽量化を図ることができろエレベータ
の更新工法用仮設ビットを得ることを目的としている。Temporary bits used in conventional elevator renewal methods are
The temporary bit frame and other members that make up this frame need to be strong, taking into consideration the impact load they will receive from the existing vehicle.If the temporary bit frame is to be fixed to the inner wall of the hoistway, It is necessary to fix a large number of anchor bolts to the above-mentioned inner wall to ensure that
The heavy weight of these members makes them difficult to work with, and furthermore, the frictional force maintained by bolting to the guide rail may damage the surface of the guide rail. This invention was made to solve the above-mentioned problems, and it is possible to reduce the number of anchor poles for fixing the temporary bit frame to the inner wall of the hoistway. The purpose of this invention is to obtain a temporary bit for an elevator renewal method that can reduce the weight of the member that supports the impactor.
この発明に係るエレベータの更新工法用仮設ビットは、
仮設ビットの仮設かご４’ｌＪｍ器より上方に仮設の非
常止め装置を配設したものである。The temporary bit for elevator renewal construction method according to this invention is as follows:
A temporary emergency stop device is installed above the temporary cage 4'lJm of the temporary bit.
この発明における更新工法用仮設ビットは、既設乗かご
が何等かの理由で、下降しすぎた時、先ず既設乗かごが
仮設の非常止め装置に衝突することで、衝突時の上記非
常止め装置で受け、この装置で荷重を受けられない場合
に、この荷重を仮設ビット枠の仮設かご緩衝器を介して
仮設ビット枠枠や仮設ビット支持梁梁で受けることによ
り、２段階に分けて衝突時の荷重を受けることができ、
従って、昇降路の内壁やかご側ガイドレールに加わる衝
撃荷重を低減させることができる。The temporary bit for the renewal construction method of this invention is such that when the existing car descends too far for some reason, the existing car first collides with the temporary emergency stop device, and the above emergency stop device is activated at the time of the collision. If this device cannot receive the load, this load can be received by the temporary bit frame or the temporary bit support beam via the temporary cage shock absorber of the temporary bit frame, thereby reducing the load in two stages. can bear loads,
Therefore, the impact load applied to the inner wall of the hoistway and the car-side guide rail can be reduced.
【実施例】
以下、この発明の一実施例を図について説明する。
第１図はこの発明の一実施例による仮設ビットの詳細を
示す第４図相当図、第２図は第１図の■■綿に沿う断面
図である。第１図、第２図において、第３図、第４図と
同一符号は相当部分を示す。この実施例では、昇降路１
の内壁にレールブラケット２０によって通常の手段によ
りかご側ガイドレール９が固定され、既設乗かご６に設
けたガイドシュー２１が昇降路１に立設された上記かご
側ガイドレール９によって案内され、主ロープ１１の一
端部に連結されて既設乗かご６が昇降するように構成さ
れている。また、仮設ピッ１．４は、昇降路１の内壁に
アンカーポルｉ・２２によって仮設ピッ１−枠１２ａ、
１２ｂが固定され、仮設ビット枠１２ａ上に仮設かご緩
衝１ｉ５ａが設けられている。この緩衝’Ｊｉｌ １５
ａより上方の仮設ビット４に仮設の非常止め装置１６
が既設乗かご６とは別個に配設され、非常止め装置１６
には仮設かご１１７ｍ １５ ｂが設けられている。ま
た上記非常止め装Ｍ１６は、左右作動腕２４に支持され
、左右作動腕２４は、レールブラケットとガイドレール
とを締結する場合と同様なレールクリップ２５とボルト
ｊｊ（２３とを用いて左右かご側ガイドレール９のフラ
ンジ９ａに締付は保持されている。なお第２図中、１９
は仮設ビット床であり、またこの実施例の上述した以外
の構成は、第３図、第４図に示すものとほぼ同様である
。
次に、この実施例の動作について説明する。既設乗かご
６が何等かの原因で下降しすぎ、仮設ビット枠１２ａの
仮設かご緩衝器１５ａに衝突する状況となった時に、既
設乗かご６は、先ず仮設かご緩衝器１５ｂを介して仮設
の非常止め装置１６に衝突する。この非常止め装置１６
は、かご側ガイドレール９にレールクリップ２５とボル
ト類２３とを用いて保持された作動腕２４によって動作
し、かご側ガイドレール９のフランジ９ａとの摩擦によ
り第１段階の荷重を受けろ。仮設の非常止め装置１６は
、設定荷重を越えると、作動腕２４がかご側ガイドレー
ル９に保持されなくなり、下方に滑って仮設かご緩衝器
１５ａに衝突し、昇降路１の内壁にアンカーボルト２２
で固定された仮設ビット枠１２ａ、１２ｂにより第２段
階の荷重を受ける。そして、非常止め装置１６と仮設ビ
ット枠枠１２ ｎ、 １２ ｂ、！：）ｆｆｆｉ＃Ａ
（第２図参照）を非常止め装置１６と仮設ビット枠枠１
２ａ、１２ｂによろ荷重保持能力とを考慮しておくこと
により、非常止め装置１６で衝撃荷重を緩和して仮設ピ
ッ１−枠１２ａ、１２ｂで受けることができる。
なお、上記実施例では、非常止め装置１６を動作させる
作動腕２４をかご側ガイドレール９に保持させたが、こ
の発明は作動腕２４を昇降路１の内壁や、レールブラケ
ット２０に固定し、非常止め装置１６が設定値を越えた
荷重を受けると、作動腕２４に対し下方に滑るようにす
るなど非常止め装置の構成は適宜変更できる。
また、上記実施例では第２段階の荷重をアンカボルト２
２で昇降路１の内壁に固定した仮設ピッ１−枠で受ける
ようにしたが、この発明は第５図。
第６図に示す仮設かご緩！！！Ｊ器１５ａを支持する仮
設ピッ１へ支持梁１８をかご側ガイドレール９に締結す
るものに用いてもよい。
すなわち、上記実施例では仮設の非常止め装置１６が動
作した後、仮設ビット枠１２ａ、１２ｂに衝突する際の
支持荷重条件により、仮設ビット枠を取り付けるア・ン
カーボルト２２の本数を選定すれば、経済的に仮設ビ？
Ｊ Ｉ・を構築して更新工法を行うことができる。また
従来は仮設ビットを設ける更新工法を採用できなかった
建物自体の強度が低い場合でも、この実施例の非常止め
装置を設けることで、仮設ビットを設けろ更新工法によ
って、短期間にしかも経済的に工Ｌ・ベータの更新を行
うことが可能になる。[Embodiment] An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a view corresponding to FIG. 4 showing details of a temporary bit according to an embodiment of the present invention, and FIG. 2 is a sectional view taken along line 1 of FIG. In FIGS. 1 and 2, the same reference numerals as in FIGS. 3 and 4 indicate corresponding parts. In this example, hoistway 1
A car-side guide rail 9 is fixed to the inner wall of the main car by a rail bracket 20 using normal means, and a guide shoe 21 provided on the existing car 6 is guided by the car-side guide rail 9 installed vertically in the hoistway 1. It is connected to one end of the rope 11 so that the existing car 6 can be moved up and down. In addition, the temporary pit 1.4 is attached to the inner wall of the hoistway 1 by means of an anchor pole i.22.
12b is fixed, and a temporary cage buffer 1i5a is provided on the temporary bit frame 12a. This buffer 'Jil 15
A temporary emergency stop device 16 is installed on the temporary bit 4 above a.
is installed separately from the existing car 6, and the emergency stop device 16
A temporary cage of 117 m 15 b is installed. Further, the emergency stop device M16 is supported by left and right operating arms 24, and the left and right operating arms 24 are attached to the left and right car sides using rail clips 25 and bolts jj (23) similar to those used when fastening a rail bracket and a guide rail. Tightening is maintained on the flange 9a of the guide rail 9. Note that in FIG.
is a temporary bit bed, and the structure of this embodiment other than the above is almost the same as that shown in FIGS. 3 and 4. Next, the operation of this embodiment will be explained. When the existing car 6 descends too far for some reason and collides with the temporary car buffer 15a of the temporary bit frame 12a, the existing car 6 first moves to the temporary car buffer 15a via the temporary car buffer 15b. It collides with the emergency stop device 16. This emergency stop device 16
is operated by an actuating arm 24 held on the car side guide rail 9 using a rail clip 25 and bolts 23, and receives the first stage load due to friction with the flange 9a of the car side guide rail 9. When the temporary emergency stop device 16 exceeds a set load, the operating arm 24 is no longer held by the car-side guide rail 9, slides downward and collides with the temporary car shock absorber 15a, and the anchor bolt 22 is attached to the inner wall of the hoistway 1.
The second stage load is received by the temporary bit frames 12a and 12b fixed at . And the emergency stop device 16 and the temporary bit frame 12 n, 12 b,! :)fffi#A
(See Figure 2) with emergency stop device 16 and temporary bit frame 1.
By considering the load holding capacity of 2a and 12b, the impact load can be relaxed by the emergency stop device 16 and received by the temporary pit 1-frames 12a and 12b. In the above embodiment, the actuating arm 24 for operating the emergency stop device 16 is held on the car side guide rail 9, but in the present invention, the actuating arm 24 is fixed to the inner wall of the hoistway 1 or the rail bracket 20, When the emergency stop device 16 receives a load exceeding a set value, the configuration of the emergency stop device can be changed as appropriate, such as allowing it to slide downward relative to the operating arm 24. In addition, in the above embodiment, the second stage load is applied to the anchor bolt 2.
2, the temporary pit 1 fixed to the inner wall of the hoistway 1 is received by a frame, but this invention is shown in FIG. The temporary basket shown in Figure 6 is loose! ! ! It may also be used to fasten the support beam 18 to the car-side guide rail 9 to the temporary pit 1 that supports the J-equipment 15a. That is, in the above embodiment, if the number of anchor bolts 22 to which the temporary bit frames are attached is selected depending on the supporting load conditions when colliding with the temporary bit frames 12a and 12b after the temporary emergency stop device 16 operates, economical efficiency can be achieved. Is it a temporary building?
It is possible to construct JI and carry out renewal construction methods. In addition, even if the strength of the building itself is low, for which it was not possible to adopt the renewal method of installing temporary bits in the past, by installing the emergency stop device of this embodiment, the replacement method of installing temporary bits can be used in a short period of time and economically. It becomes possible to update Engineering L Beta.
以上説明したように、この発明によれば仮設ビットの仮
設かご緩衝器の上方に仮設の非常止め装置を設け、既設
乗かごが何等かの原因で下降しすぎた時に、上記非常止
め装置に既設乗かごが衝突し、非常止め装置によ’Ｊ［
突時の荷重を減少させろことができるため、仮設ビット
枠枠を固定するためのアンカーボルトの本数を削減し、
あるい（よ仮設かご緩衝器を支持する仮設ビット支持梁
などの部材のＲ１ｋ化を図ることができ、経済的である
とともに軽薄短小化により取扱いが容易になり、作業性
の向上を図ることもできろという効果がある。As explained above, according to the present invention, a temporary emergency stop device is provided above the temporary car buffer of the temporary bit, and when the existing car descends too far for some reason, the emergency stop device is installed above the temporary car buffer. The car collided and the emergency stop device was activated.
Because it can reduce the load in the event of an accident, the number of anchor bolts used to secure the temporary bit frame can be reduced.
Alternatively, members such as temporary bit support beams that support temporary car shock absorbers can be reduced to R1k, which is economical and easier to handle due to being lighter, thinner, and smaller, which also improves work efficiency. It has the effect of telling you that you can do it.
第１図はこの発明の一実施例によるエレベータの更新工
法用仮設ビットの縦断側面図、第２図は第１図のＩＩ−
ＩＩ線に沿う断面図、第３図；よ従来のエレベータの更
新工法の一例を説明するためのエレベータ全体の縦断側
面図、第４図は第３図の仮設ビットを示す拡大縦断側面
図、第５図は従来のエレベータの更新工法の他側を説明
するための仮設ビットの縦断側面図、第６図は第５図の
仮設ビット支持梁１８の取付構造を示す部分斜視図であ
る。
１・昇降路、４・仮設ビット、６ ・既設乗かご、７
新規の乗かご、９−かご側ガイドレール、１２ ａ、
１２ ｂ、＠設ビット枠、１５ ａ、 １５ ｂ仮
設かご緩ｍ器、１６〜・仮設の非常止め装置。
なお、図中同一符号は同−又は相当部分を示す。FIG. 1 is a longitudinal cross-sectional side view of a temporary bit for an elevator renewal method according to an embodiment of the present invention, and FIG. 2 is an II--
FIG. 3 is a cross-sectional view taken along line II; FIG. 5 is a vertical sectional side view of a temporary bit for explaining the other side of the conventional elevator renewal method, and FIG. 6 is a partial perspective view showing the mounting structure of the temporary bit support beam 18 of FIG. 5. 1. Hoistway, 4. Temporary bit, 6. Existing car, 7.
New car, 9-car side guide rail, 12 a,
12 b, @ installation bit frame, 15 a, 15 b temporary cage loosener, 16 ~ temporary emergency stop device. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
の仮設ビット枠に設けた仮設かご緩衝器を有する仮設ビ
ットを設け、昇降路の仮設ビット上方で既設乗かごを昇
降可能とし、仮設ビット下方で新規の乗かごを組み立て
るようにしたエレベータの更新工法に用いる仮設ビット
であって、上記仮設かご緩衝器より上方に、仮設の非常
止め装置を、既設乗かごとは別個に配設したことを特徴
とするエレベータの更新工法用仮設ビット。A temporary bit with a temporary bit frame and a temporary car buffer installed in the temporary bit frame is installed in the hoistway above the lowest floor, and the existing car can be raised and lowered above the temporary bit in the hoistway. A temporary bit used in an elevator renewal method in which a new car is assembled below, and a temporary emergency stop device is installed above the temporary car shock absorber, separate from the existing car. Temporary bit for elevator renewal method featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32434788A JPH02169484A (en) | 1988-12-22 | 1988-12-22 | Temporarily installed pit for tenewal construction for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32434788A JPH02169484A (en) | 1988-12-22 | 1988-12-22 | Temporarily installed pit for tenewal construction for elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02169484A true JPH02169484A (en) | 1990-06-29 |
Family
ID=18164768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32434788A Pending JPH02169484A (en) | 1988-12-22 | 1988-12-22 | Temporarily installed pit for tenewal construction for elevator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02169484A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010010226A1 (en) * | 2008-07-24 | 2010-01-28 | Kone Corporation | Elevator arrangement, method and safety structure |
-
1988
- 1988-12-22 JP JP32434788A patent/JPH02169484A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010010226A1 (en) * | 2008-07-24 | 2010-01-28 | Kone Corporation | Elevator arrangement, method and safety structure |
| EP2300345A1 (en) * | 2008-07-24 | 2011-03-30 | Kone Corporation | Elevator arrangement, method and safety structure |
| CN102099277A (en) * | 2008-07-24 | 2011-06-15 | 通力股份公司 | Elevator arrangement, method and safety structure |
| EP2300345A4 (en) * | 2008-07-24 | 2014-07-23 | Kone Corp | Elevator arrangement, method and safety structure |
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