JP2009007103A - Device for fitting guide rail for elevator - Google Patents

Device for fitting guide rail for elevator Download PDF

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JP2009007103A
JP2009007103A JP2007169378A JP2007169378A JP2009007103A JP 2009007103 A JP2009007103 A JP 2009007103A JP 2007169378 A JP2007169378 A JP 2007169378A JP 2007169378 A JP2007169378 A JP 2007169378A JP 2009007103 A JP2009007103 A JP 2009007103A
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guide rail
intermediate beam
elevator
vibration
intermediate portion
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JP5069504B2 (en
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Katsunori Nishino
克典 西野
Tomofumi Hagitani
知文 萩谷
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Hitachi Ltd
Hitachi Mito Engineering Co Ltd
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Hitachi Ltd
Hitachi Mito Engineering Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a device for fitting a guide rail for an elevator capable of conforming to an intermediate beam in various shapes and capable of surely reducing vibration. <P>SOLUTION: In a device for fitting a guide rail for the elevator wherein a rail bracket 3 supporting a guide rail for a car and a counterweight is fitted to a building structure through an intermediate beam 5, at least one intermediate fixing material 7 for connecting the building structure and the intermediate beam to each other for fixation is provided between 1/4-3/4 of the intermediate beam 5 in the longitudinal direction so as to change natural frequency of the intermediate beam 5 and, as a result, so as to prevent resonance phenomenon of the guide device guiding the car and the counterweight, with vibration thereof in sliding on the guide rail and with vibration of a rotating rotor such as a speed governor, a hoisting machine and a return pulley. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、エレベーター用ガイドレールの取り付け装置に係り、特に、エレベーター稼働に伴う振動を低減するのに好適なエレベーター用ガイドレールの取り付け装置に関する。   The present invention relates to an elevator guide rail mounting apparatus, and more particularly, to an elevator guide rail mounting apparatus suitable for reducing vibration associated with elevator operation.

図５は従来のガイドレールの取り付け装置を示す要部側面図、図６は従来のガイドレールの取り付け装置を示す要部断面図である。   FIG. 5 is a side view of a main part showing a conventional guide rail mounting apparatus, and FIG. 6 is a cross-sectional view of the main part showing a conventional guide rail mounting apparatus.

従来のエレベーター用ガイドレールの取り付け装置は図５および図６に示すように、エレベーターのガイドレールを支持するレールブラケットを建物構造物へ取り付ける中間ビーム３５と、この中間ビーム３５に取り付けられる制振材９とを有しており、中間ビーム３５の長手方向に発生する振動エネルギーを、中間ビーム３５に取り付けられた制振材９によって熱エネルギーに変換することで、振動に起因する居室内騒音を低減している。また、制振材９は中間ビーム３５のＨ型鋼の上部に接着剤で取り付ける構造とし、地震が発生した際に接着面がはがれて制振材９が落下することを防いでいる（例えば、特許文献１参照）。
特開昭５８−１１４８５号公報（図３及び図４） As shown in FIGS. 5 and 6, a conventional elevator guide rail mounting apparatus includes an intermediate beam 35 for mounting a rail bracket for supporting an elevator guide rail to a building structure, and a damping material attached to the intermediate beam 35. The vibration energy generated in the longitudinal direction of the intermediate beam 35 is converted into thermal energy by the damping material 9 attached to the intermediate beam 35, thereby reducing noise in the room due to vibration. is doing. Further, the damping material 9 is structured to be attached to the upper part of the H-shaped steel of the intermediate beam 35 with an adhesive, and the damping surface 9 is prevented from falling off when the earthquake occurs (for example, a patent) Reference 1).
JP 58-11485 (FIGS. 3 and 4)

エレベーターの走行によりガイドレールを介して中間ビーム３５に伝播する振動には、乗りかごおよびつり合いおもりを案内するガイド装置がガイドレール上を摺動する振動や、調速機、巻上機および返しプ−リなどの回転体が回転する振動がある。これらの振動と中間ビーム３５の固有振動数が共振した場合、従来のような中間ビーム３５の上部に接着剤で取り付けた制振材９で振動の低減を図ることは極めて困難である。また、従来のエレベーター用ガイドレールの取り付け装置では、地震発生時に制振材９が落下しないようにするため、制振材９をＨ型鋼からなる中間ビーム３５の上部に接着剤で取り付ける構造としている。このため、中間ビーム３５の形状が限定され、例えば、Ｈ型鋼よりも安価であり中間ビームの材料に一般的に使用されているＵ型鋼およびＬ側鋼に制振材９を取り付けることができないという問題があった。   The vibration propagating to the intermediate beam 35 through the guide rail by the traveling of the elevator includes the vibration in which the guide device for guiding the car and the counterweight slides on the guide rail, the speed governor, the hoisting machine, and the return machine. -There is a vibration that a rotating body such as a screw rotates. When these vibrations and the natural frequency of the intermediate beam 35 resonate, it is extremely difficult to reduce the vibration with the vibration damping material 9 attached to the upper part of the intermediate beam 35 with an adhesive as in the prior art. Further, in the conventional elevator guide rail mounting device, the damping material 9 is attached to the upper portion of the intermediate beam 35 made of H-shaped steel with an adhesive so that the damping material 9 does not fall when an earthquake occurs. . For this reason, the shape of the intermediate beam 35 is limited. For example, the damping material 9 cannot be attached to the U-shaped steel and the L-side steel, which are less expensive than the H-shaped steel and are generally used for the material of the intermediate beam. There was a problem.

本発明は、前述した従来技術における実状からなされたもので、その目的は、あらゆる形状の中間ビームに対応し、かつ確実に振動を低減することのできるエレベーター用ガイドレールの取り付け装置を提供することにある。   The present invention has been made from the above-described actual state of the prior art, and an object thereof is to provide an elevator guide rail mounting device that can cope with intermediate beams of any shape and can reliably reduce vibration. It is in.

前記目的を達成するために、本発明の請求項１に係る発明は、乗りかごおよびつり合いおもり用のガイドレールを支持するレールブラケットが中間ビームを介して建物構造物へ取り付けられたエレベーター用ガイドレールの取り付け装置において、前記中間ビームの長手方向の１／４〜３／４間に、前記建物構造物と前記中間ビームとを連結固定する中間部固定材を少なくとも１つ設けたことを特徴としている。   In order to achieve the above object, the invention according to claim 1 of the present invention provides an elevator guide rail in which a rail bracket that supports a guide rail for a car and a counterweight is attached to a building structure via an intermediate beam. In the mounting apparatus, at least one intermediate portion fixing member for connecting and fixing the building structure and the intermediate beam is provided between 1/4 to 3/4 in the longitudinal direction of the intermediate beam. .

このように構成した本発明の請求項１に係る発明では、中間ビームの長手方向、１／４〜３／４間に、建物構造物と中間ビームとを連結固定する中間部固定材を少なくとも１つ設けたことにより、中間ビームの固有振動数を変化させ、乗りかごおよびつり合いおもりを案内するガイド装置がガイドレール上を摺動する振動、調速機、巻上機および返しプ−リなどの回転体が回転する振動との共振現象を確実に防ぐことができる。また、中間部固定材は建物構造物と中間ビームとを連結固定するものであることから、あらゆる形状の中間ビームに対応可能とすることができる。   In the invention according to claim 1 of the present invention configured as described above, at least one intermediate portion fixing material for connecting and fixing the building structure and the intermediate beam between the longitudinal direction of the intermediate beam and 1/4 to 3/4 is provided. By changing the natural frequency of the intermediate beam, the guide device that guides the car and the counterweight slides on the guide rail, such as vibration, governor, hoisting machine, and return pulley. It is possible to reliably prevent the resonance phenomenon with the vibration of the rotating body. In addition, since the intermediate portion fixing member connects and fixes the building structure and the intermediate beam, it can be adapted to intermediate beams of any shape.

また、本発明の請求項２に係る発明は、前記中間ビームの短手方向に前記中間部固定材の取り付け位置を調整可能とする短手方向調整手段を設けたことを特徴としている。このように構成した本発明の請求項２に係る発明では、短手方向調整手段により中間部固定材の中間ビームに対する短手方向の取り付け位置をエレベーターの据え付け現場で調整することができ、したがって、中間部固定材の取り付け作業を容易なものとすることができる。   Further, the invention according to claim 2 of the present invention is characterized in that a short direction adjusting means is provided which makes it possible to adjust the attachment position of the intermediate portion fixing member in the short direction of the intermediate beam. In the invention according to claim 2 of the present invention configured as described above, the mounting position in the short direction with respect to the intermediate beam of the intermediate portion fixing member can be adjusted at the installation site of the elevator by the short direction adjusting means. The attachment work of the intermediate portion fixing material can be facilitated.

さらに、本発明の請求項３に係る発明は、前記中間ビームの長手方向に前記中間部固定材の取り付け位置を調整可能とする長手方向調整手段を設けたことを特徴としている。このように構成した本発明の請求項３に係る発明では、長手方向調整手段により中間部固定材の中間ビームに対する長手方向の取り付け位置をエレベーターの据え付け現場で調整することができ、したがって、中間部固定材の取り付け作業を容易なものとすることができる。   Further, the invention according to claim 3 of the present invention is characterized in that a longitudinal direction adjusting means is provided which makes it possible to adjust the attachment position of the intermediate portion fixing member in the longitudinal direction of the intermediate beam. In the invention according to claim 3 of the present invention configured as described above, the longitudinal attachment position of the intermediate portion fixing member with respect to the intermediate beam can be adjusted at the installation site of the elevator by the longitudinal direction adjusting means. The fixing material can be easily attached.

本発明によれば、中間部固定材により中間ビームの固有振動数を変化させ、乗りかごおよびつり合いおもりを案内するガイド装置がガイドレール上を摺動する振動、調速機、巻上機および返しプ−リなどの回転体が回転する振動との共振現象を確実に防ぎ、これによって、振動に起因する居室内騒音の低減を図ることができる。また、中間部固定材はあらゆる形状の中間ビームに対応可能であることから、設備コストの低減、および作業効率の向上を図ることができる。   According to the present invention, the natural frequency of the intermediate beam is changed by the intermediate portion fixing material, and the guide device for guiding the car and the counterweight slides on the guide rail. It is possible to reliably prevent the resonance phenomenon with the vibration of the rotating body such as pulley, and thereby reduce the noise in the room due to the vibration. In addition, since the intermediate portion fixing material can handle intermediate beams of any shape, it is possible to reduce equipment costs and improve work efficiency.

以下、本発明に係るエレベーター用ガイドレールの取り付け装置の実施の形態を図に基づいて説明する。   Embodiments of an elevator guide rail mounting apparatus according to the present invention will be described below with reference to the drawings.

図１は本発明のエレベーター用ガイドレールの取り付け装置の第１の実施形態を示す平面図、図２は図１の要部を拡大したものであり、Ｕ型鋼からなる中間ビームに中間部連結部を取り付けた状態を示す斜視図である。   FIG. 1 is a plan view showing a first embodiment of an elevator guide rail mounting apparatus according to the present invention. FIG. 2 is an enlarged view of the main part of FIG. It is a perspective view which shows the state which attached.

エレベーターの昇降路１には乗りかごおよびつり合いおもりの昇降を案内するためのガイドレール２が敷設される。ガイドレール２は、昇降路１の全高に渡り所定の取り付け間隔を空けながら固定クリップなどでレールブラケット３に取り付けられるが、ガイドレール２と昇降路側壁４ｂの間隔が大きい場合、レールブラケット３の大型化を防ぐ目的で、昇降路前後壁４ａ、４ｃ間に中間ビーム５を懸架し、この中間ビーム５とレールブラケット３とを溶接等で固定してガイドール２を支持するようになっている。また、中間ビーム５の両端には固定材５ａ、５ｂがそれぞれ取り付けられ、これらの固定材５ａ、５ｂをアンカーボルト６により昇降路前後壁４ａ、４ｃに固定する。   A guide rail 2 is installed in the elevator hoistway 1 to guide the raising and lowering of the car and the counterweight. The guide rail 2 is attached to the rail bracket 3 with a fixing clip or the like while leaving a predetermined attachment interval over the entire height of the hoistway 1. However, when the distance between the guide rail 2 and the hoistway side wall 4 b is large, the rail bracket 3 is large. In order to prevent this, the intermediate beam 5 is suspended between the hoistway front and rear walls 4a and 4c, and the guide beam 2 is supported by fixing the intermediate beam 5 and the rail bracket 3 by welding or the like. Further, fixing members 5 a and 5 b are respectively attached to both ends of the intermediate beam 5, and these fixing members 5 a and 5 b are fixed to the hoistway front and rear walls 4 a and 4 c by the anchor bolt 6.

そして、中間ビーム５の長手方向の１／４〜３／４間に、建物構造物、すなわち、昇降路側壁４ｂと中間ビーム５とを連結固定する中間部固定材７を、例えば１つ設けている。また、図２に示すように中間ビーム５の短手方向に中間部固定材７の取り付け位置を調整可能とする短手方向調整手段、例えば中間部固定材７に形成される長穴７ａと、中間ビーム５の長手方向に中間部固定材７の取り付け位置を調整可能とする長手方向調整手段、例えば中間部固定材７に形成される長穴７ｂとが備えられている。中間部固定材７は長穴７ｂを介してアンカーボルト６により昇降路側壁４ｂに固定されるとともに、長穴７ａを介して固定ボルト８によりＵ型鋼からなる中間ビーム５に固定されている。   And, for example, one intermediate portion fixing member 7 for connecting and fixing the building structure, that is, the hoistway side wall 4b and the intermediate beam 5, is provided between 1/4 to 3/4 in the longitudinal direction of the intermediate beam 5. Yes. Further, as shown in FIG. 2, a short direction adjusting means for adjusting the attachment position of the intermediate portion fixing material 7 in the short direction of the intermediate beam 5, for example, a long hole 7 a formed in the intermediate portion fixing material 7, Longitudinal direction adjusting means capable of adjusting the attachment position of the intermediate portion fixing member 7 in the longitudinal direction of the intermediate beam 5, for example, a long hole 7 b formed in the intermediate portion fixing member 7 is provided. The intermediate portion fixing member 7 is fixed to the hoistway side wall 4b by the anchor bolt 6 through the long hole 7b, and is fixed to the intermediate beam 5 made of U-shaped steel by the fixing bolt 8 through the long hole 7a.

第１の実施形態によれば、中間ビーム５の中間付近、すなわち長手方向の１／４〜３／４間に一端が昇降路側壁４ｂに固定される１つの中間部固定材７を連結することで、中間ビーム５は２点支持から３点支持に変わり、中間ビーム５の固有振動数が変化する。これによって、乗りかごおよびつり合いおもりを案内するガイド装置がガイドレール２上を摺動する振動、調速機、巻上機および返しプ−リなどの回転体が回転する振動との共振現象を確実に防ぐことができる。また、中間部固定材７は建物構造物と中間ビーム５とを連結固定するものであることから、あらゆる形状、ここではＵ型鋼からなる中間ビーム５に対応可能とすることができる。さらに、中間部固定材７の取り付け位置を調整可能とする長穴７ａおよび長穴７ｂを備えることで、例えばコンクリートの施工誤差による中間部固定材７の取り付け位置調整を据え付け現場で行うことができ、したがって、取り付け作業を容易なものとすることができる。さらにまた、地震発生時に乗りかごおよびつり合いおもりが加振されることによる負荷が、ガイドレール２およびレールブラケット３を介して中間ビーム５に作用した場合、中間ビーム５の中間部を固定していることから、中間ビーム５のたわみ量が抑えられ、エレベーター装置の安全性の向上も図ることができる。   According to the first embodiment, one intermediate portion fixing member 7 whose one end is fixed to the hoistway side wall 4b is connected near the middle of the intermediate beam 5, that is, between 1/4 and 3/4 in the longitudinal direction. Thus, the intermediate beam 5 changes from two-point support to three-point support, and the natural frequency of the intermediate beam 5 changes. This ensures a resonance phenomenon with the vibration that the guide device that guides the car and the counterweight slides on the guide rail 2, and the vibration that the rotating body such as the governor, hoisting machine, and return pulley rotates. Can be prevented. Further, since the intermediate part fixing member 7 is for connecting and fixing the building structure and the intermediate beam 5, it can be adapted to any shape, here, the intermediate beam 5 made of U-shaped steel. Furthermore, by providing the long hole 7a and the long hole 7b that can adjust the attachment position of the intermediate portion fixing material 7, for example, the attachment position adjustment of the intermediate portion fixing material 7 due to a construction error of concrete can be performed at the installation site. Therefore, the mounting operation can be facilitated. Furthermore, when a load caused by the vibration of the car and the counterweight applied to the intermediate beam 5 via the guide rail 2 and the rail bracket 3 when an earthquake occurs, the intermediate portion of the intermediate beam 5 is fixed. Therefore, the amount of deflection of the intermediate beam 5 can be suppressed, and the safety of the elevator apparatus can be improved.

なお、前述した第１の実施形態では、中間ビーム５の長手方向、１／４〜３／４間に、建物構造物と中間ビーム５とを連結固定する中間部固定材７を１つ設けたものとしたが、本発明はこれに限らず、例えば中間ビーム５の長手方向、１／４〜３／４間に中間部固定材を２つ設け、中間ビーム５を４点支持とすることもできる。また、Ｕ型鋼の開放部を下向きとした中間ビーム５に中間部固定材７を取り付けた例を示しているが、Ｕ型鋼の開放部を上向きに施工したもの、或いは横向きに施工したものにも対応可能である。   In the first embodiment described above, one intermediate portion fixing member 7 for connecting and fixing the building structure and the intermediate beam 5 is provided between the longitudinal direction of the intermediate beam 5 and 1/4 to 3/4. However, the present invention is not limited to this. For example, two intermediate fixing members are provided between the longitudinal direction of the intermediate beam 5 and 1/4 to 3/4, and the intermediate beam 5 may be supported at four points. it can. Moreover, although the example which attached the intermediate part fixing material 7 to the intermediate beam 5 which made the open part of the U-shaped steel downward is shown, the thing which installed the open part of the U-shaped steel upwards, or the thing installed sideways It is possible.

図３は本発明のエレベーター用ガイドレールの取り付け装置の第２の実施形態を示す斜視図である。なお、前述した第１の実施形態に示すものと同等のものには同一符号が付してある。   FIG. 3 is a perspective view showing a second embodiment of the elevator guide rail mounting apparatus according to the present invention. In addition, the same code | symbol is attached | subjected to the thing equivalent to what is shown in 1st Embodiment mentioned above.

第２の実施形態では、昇降路前後壁４ａ、４ｃ間に懸架される中間ビーム１５はＨ型鋼からなっており、中間部固定材７は長穴７ｂを介してアンカーボルト６により昇降路壁４ｂに固定されるとともに、長穴７ａを介して固定ボルト８によりＨ型鋼からなる中間ビーム１５の下面に固定されている。第２の実施形態によれば、中間部固定材７はＨ型鋼からなる中間ビーム１５にも対応可能であることがわかる。   In the second embodiment, the intermediate beam 15 suspended between the hoistway front and rear walls 4a and 4c is made of H-shaped steel, and the intermediate fixing member 7 is lifted by the anchor bolt 6 and the hoistway wall 4b through the long hole 7b. And is fixed to the lower surface of the intermediate beam 15 made of H-shaped steel by a fixing bolt 8 through a long hole 7a. According to the second embodiment, it can be seen that the intermediate portion fixing member 7 can also correspond to the intermediate beam 15 made of H-shaped steel.

図４は本発明のエレベーター用ガイドレールの取り付け装置の第３の実施形態を示す斜視図である。なお、前述した第１の実施形態に示すものと同等のものには同一符号が付してある。   FIG. 4 is a perspective view showing a third embodiment of the elevator guide rail mounting apparatus according to the present invention. In addition, the same code | symbol is attached | subjected to the thing equivalent to what is shown in 1st Embodiment mentioned above.

第３の実施形態では、昇降路前後壁４ａ、４ｃ間に懸架される中間ビーム２５はＬ型鋼からなっており、中間部固定材７は長穴７ｂを介してアンカーボルト６により昇降路壁４ｂに固定されるとともに、長穴７ａを介して固定ボルト８によりＬ型鋼からなる中間ビーム２５の上面に固定されている。第３の実施形態によれば、中間部固定材７はＬ型鋼からなる中間ビーム２５にも対応可能であることがわかる。   In the third embodiment, the intermediate beam 25 suspended between the hoistway front and rear walls 4a and 4c is made of L-shaped steel, and the intermediate portion fixing member 7 is lifted by the anchor bolt 6 and the hoistway wall 4b through the long hole 7b. And is fixed to the upper surface of the intermediate beam 25 made of L-shaped steel by a fixing bolt 8 through a long hole 7a. According to the third embodiment, it can be seen that the intermediate portion fixing member 7 can also correspond to the intermediate beam 25 made of L-shaped steel.

本発明のエレベーター用ガイドレールの取り付け装置の第１の実施形態を示す平面図である。It is a top view which shows 1st Embodiment of the attachment apparatus of the guide rail for elevators of this invention. 図１の要部を拡大したものであり、Ｕ型鋼からなる中間ビームに中間部連結部を取り付けた状態を示す斜視図である。FIG. 2 is an enlarged perspective view of a main part of FIG. 1, showing a state in which an intermediate part connecting part is attached to an intermediate beam made of U-shaped steel. 本発明のエレベーター用ガイドレールの取り付け装置の第２の実施形態を示す斜視図である。It is a perspective view which shows 2nd Embodiment of the attachment apparatus of the guide rail for elevators of this invention. 本発明のエレベーター用ガイドレールの取り付け装置の第３の実施形態を示す斜視図である。It is a perspective view which shows 3rd Embodiment of the attachment apparatus of the guide rail for elevators of this invention. 従来のガイドレールの取り付け装置を示す要部側面図である。It is a principal part side view which shows the attachment apparatus of the conventional guide rail. 従来のガイドレールの取り付け装置を示す要部断面図である。It is principal part sectional drawing which shows the conventional attachment apparatus of a guide rail.

符号の説明Explanation of symbols

１ 昇降路
２ ガイドレール
３ レールブラケット
４ａ〜４ｃ 昇降路壁
５、１５、２５ 中間ビーム
６ アンカーボルト
７ 中間部固定材
７ａ、７ｂ 長穴
８ 固定ボルト DESCRIPTION OF SYMBOLS 1 Hoistway 2 Guide rail 3 Rail bracket 4a-4c Hoistway wall 5, 15, 25 Intermediate beam 6 Anchor bolt 7 Middle part fixing material 7a, 7b Elongate hole 8 Fixing bolt

Claims (3)

乗りかごおよびつり合いおもり用のガイドレールを支持するレールブラケットが中間ビームを介して建物構造物へ取り付けられたエレベーター用ガイドレールの取り付け装置において、
前記中間ビームの長手方向の１／４〜３／４間に、前記建物構造物と前記中間ビームとを連結固定する中間部固定材を少なくとも１つ設けたことを特徴とするエレベーター用ガイドレールの取り付け装置。 In an elevator guide rail mounting device in which a rail bracket that supports a guide rail for a passenger car and a counterweight is attached to a building structure via an intermediate beam,
An elevator guide rail comprising at least one intermediate portion fixing member for connecting and fixing the building structure and the intermediate beam between 1/4 to 3/4 in the longitudinal direction of the intermediate beam. Mounting device. 前記中間ビームの短手方向に前記中間部固定材の取り付け位置を調整可能とする短手方向調整手段を設けたことを特徴とする請求項１記載のエレベーター用ガイドレールの取り付け装置。   2. The elevator guide rail mounting device according to claim 1, further comprising a short direction adjusting means for adjusting a mounting position of the intermediate portion fixing member in a short direction of the intermediate beam. 前記中間ビームの長手方向に前記中間部固定材の取り付け位置を調整可能とする長手方向調整手段を設けたことを特徴とする請求項１記載のエレベーター用ガイドレールの取り付け装置。   2. The elevator guide rail mounting device according to claim 1, further comprising a longitudinal direction adjusting means for adjusting a mounting position of the intermediate portion fixing member in a longitudinal direction of the intermediate beam.
JP2007169378A 2007-06-27 2007-06-27 Elevator guide rail mounting device Expired - Fee Related JP5069504B2 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101753083B1 (en) * 2015-07-10 2017-08-10 유니슨방음방진(주) Elevator driving noise reduction equipment and method
CN107848752A (en) * 2015-07-27 2018-03-27 奥的斯电梯公司 Damper for elevator device track

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10167604A (en) * 1996-12-05 1998-06-23 Mitsubishi Electric Corp Elevator device for base isolation building
JP2002284465A (en) * 2001-03-28 2002-10-03 Hitachi Ltd Elevator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10167604A (en) * 1996-12-05 1998-06-23 Mitsubishi Electric Corp Elevator device for base isolation building
JP2002284465A (en) * 2001-03-28 2002-10-03 Hitachi Ltd Elevator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101753083B1 (en) * 2015-07-10 2017-08-10 유니슨방음방진(주) Elevator driving noise reduction equipment and method
CN107848752A (en) * 2015-07-27 2018-03-27 奥的斯电梯公司 Damper for elevator device track

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