JP6467283B2 - Passenger conveyor and its renewal method - Google Patents
Passenger conveyor and its renewal method Download PDFInfo
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- JP6467283B2 JP6467283B2 JP2015098331A JP2015098331A JP6467283B2 JP 6467283 B2 JP6467283 B2 JP 6467283B2 JP 2015098331 A JP2015098331 A JP 2015098331A JP 2015098331 A JP2015098331 A JP 2015098331A JP 6467283 B2 JP6467283 B2 JP 6467283B2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B23/00—Component parts of escalators or moving walkways
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Description
本発明は、エスカレータや動く歩道等における支持アングル部構造の工夫によりリニューアル（改装）時の耐震性向上を図った乗客コンベア及びそのリニューアル方法に関する。 The present invention relates to a passenger conveyor and a renewal method for improving the earthquake resistance at the time of renewal (renovation) by devising a support angle portion structure on an escalator, a moving walkway, and the like.
従来、乗客コンベアの老朽化した既設製品を撤去し、同じ場所に新設製品を設置するリニューアルを行う手法に係る周知技術として、既設本体枠（既設トラスフレーム）を利用して設置する新設乗客コンベアの構成上の制限が少なく、良好な作業性でリニューアルを実現する「乗客コンベア」（特許文献１参照）が挙げられる。 Conventionally, as a well-known technique related to a method of renewing a passenger conveyor by removing an old existing product and installing a new product in the same place, a new passenger conveyor installed using an existing main frame (existing truss frame) There is a “passenger conveyor” (see Patent Document 1) that has few structural limitations and realizes renewal with good workability.
上述した特許文献１に係る技術は、乗客コンベアのリニューアルに際して既設トラスフレームを撤去せずに残し、既設トラスフレーム内に新設乗客コンベアの新設トラスフレームを設置するものであるが、支持アングル（受梁）と建屋の床（建屋梁）との掛かり代が既設乗客コンベアの場合と同様な寸法（トラスフレームの掛かり代が同じ寸法）であるため、作業性が向上するものの、昨今の建屋に要求されている耐震性の向上（強化）を図り得ないという問題がある。 In the technology according to Patent Document 1 described above, the existing truss frame is left without being removed when the passenger conveyor is renewed, and the new truss frame of the new passenger conveyor is installed in the existing truss frame. ) And the floor of the building (building beams) have the same dimensions as the existing passenger conveyor (the same dimension for the truss frame), but workability is improved, but it is required for modern buildings. There is a problem that it is impossible to improve (strengthen) the earthquake resistance.
即ち、乗客コンベアのリニューアル時には、先般の大地震を契機に新設製品に対して耐震性の向上が要求されているため、少なくとも支持アングルと建屋の床との掛かり代（トラスフレームの掛かり代）を既設製品のものよりも大きくし、地震発生の振動によって大きな層間変位角が生じ、建築梁間寸法が比較的大きく伸長した場合でもトラスフレームが落下するのを防止できるようにして、耐震性の向上対策を図ることが望まれている。 In other words, at the time of renewal of passenger conveyors, because of the recent large earthquake, it is required to improve earthquake resistance for newly installed products, so at least the support angle and the floor of the building (the truss frame) Measures to improve earthquake resistance by making it larger than that of existing products, causing a large interlayer displacement angle due to earthquake vibration, and preventing the truss frame from falling even when the dimensions between building beams are relatively large and elongated. It is hoped that
そこで、乗客コンベアのリニューアル時に支持アングル部構造を工夫してトラスフレームの掛かり代を大きくする技術も既に提案されており、例えばトラスフレームの終端部に設けられると共に、ジスピを介して建築受台に載置される支持アングルを用いる以外に、建築受台との掛かり代を大きくするための延長部材を用いるようにし、支持アングルに延長部材を溶接等で結合した上、建築受台にジスピを介して支持アングル及び延長部材を載置する技術が知られている。更に、支持アングルと延長部材との結合強度を補強するために支持アングル及び延長部材を補強板に取り付け、補強板を外方表面側に設置するようにした支持アングル部構造も知られている。このような支持アングル部構造は、文献公知に係る発明ではないが、一般的に適用されているものである。 Therefore, a technology has been proposed to devise the support angle part structure at the time of renewal of the passenger conveyor and increase the allowance for the truss frame.For example, it is provided at the end part of the truss frame and used as a building cradle via a bispi. In addition to using the support angle to be placed, an extension member is used to increase the allowance for the building cradle, and the extension member is joined to the support angle by welding, etc. A technique for placing a support angle and an extension member is known. Further, a support angle portion structure is also known in which a support angle and an extension member are attached to a reinforcing plate in order to reinforce the coupling strength between the support angle and the extending member, and the reinforcing plate is installed on the outer surface side. Such a support angle portion structure is not an invention according to known literature, but is generally applied.
ところが、リニューアル時の耐震性向上のために支持アングル以外に延長部材を用いた支持アングル部構造を採用する場合、乗客コンベアのリニューアルの際に支持アングルに延長部材を結合してトラスフレームの掛かり代を寸法上で大きくしたものを設置するため、建築受台を拡大する必要が生じる場合も少なくなく、こうした場合には建屋の床の一部を除去する追加工事が必要となり、施工側にも顧客側にも工数やコスト面で負担となってしまうという問題がある。 However, when adopting a support angle structure that uses an extension member in addition to the support angle in order to improve seismic resistance at the time of renewal, the extension member is connected to the support angle when the passenger conveyor is renewed. In many cases, it will be necessary to expand the building cradle, and in such cases, additional work will be required to remove part of the floor of the building. There is also a problem in that it becomes a burden in terms of man-hours and costs.
本発明は、このような問題点を解決すべくなされたもので、その技術的課題は、建屋側の特別な追加工事を要することなく、支持アングル部構造の工夫により簡単にトラスフレームの掛かり代を延長でき、リニューアル時の耐震性向上に有効な乗客コンベア及びそのリニューアル方法を提供することにある。 The present invention has been made to solve such problems, and the technical problem thereof is that it does not require special additional work on the side of the building, and it is easy to hang the truss frame by devising the support angle portion structure. Is to provide a passenger conveyor effective for improving the earthquake resistance at the time of renewal and its renewal method.
上記技術的課題を解決するため、本発明の第１の手段は、トラスフレームの両方の終端部に支持アングルを備えると共に、当該支持アングルを介して建屋の一方の床と他方の床との間に当該トラスフレームを架設した乗客コンベアにおいて、既設製品を撤去し、同じ場所に新設製品を設置するリニューアル時に、トラスフレームの掛かり代を寸法上で大きくするために支持アングルに延長部材を結合すると共に、前記建屋の建築受台上に配置した嵩上げ台の前記床の仕上げ面より高い位置の支持部に、前記建屋に近づく方向及び前記建屋から遠ざかる方向に移動可能な状態で、当該支持アングル及び当該延長部材を載置した支持アングル部構造が適用されたことを特徴とする。 In order to solve the above technical problem, the first means of the present invention includes support angles at both end portions of the truss frame, and between the one floor and the other floor of the building via the support angles. In the passenger conveyor where the truss frame is installed, the existing product is removed, and when renewing to install a new product in the same place, an extension member is connected to the support angle in order to increase the size of the truss frame. The support angle and the support angle and the support in a state in which they can move in a direction approaching the building and a direction moving away from the building, to a support portion at a position higher than the finished surface of the floor of the raising platform arranged on the building cradle of the building A support angle portion structure on which the extension member is placed is applied.
また、上記技術的課題を解決するため、本発明の第２の手段は、トラスフレームの両方の終端部に支持アングルを備えると共に、当該支持アングルを介して建屋の一方の床と他方の床との間に当該トラスフレームを架設した乗客コンベアを対象として既設製品を撤去し、同じ場所に新設製品を設置する乗客コンベアのリニューアル方法において、リニューアル時に適用する支持アングル部構造について、トラスフレームの掛かり代を寸法上で大きくするために支持アングルに延長部材を結合すると共に、前記建屋の建築受台上に配置した嵩上げ台の前記床の仕上げ面より高い位置の支持部に、前記建屋に近づく方向及び前記建屋から遠ざかる方向に移動可能な状態で、当該支持アングル及び当該延長部材を載置する構造とすることを特徴とする。 In order to solve the above technical problem, the second means of the present invention includes support angles at both end portions of the truss frame, and one floor and the other floor of the building through the support angles. In the renewal method for passenger conveyors, where the existing products are removed from the passenger conveyor with the truss frame installed between them and the new product is installed at the same location, the truss frame hanging allowance is applied to the support angle structure applied at the time of renewal. The extension member is coupled to the support angle in order to increase the size of the building, and the support portion at a position higher than the finished surface of the floor of the raising platform disposed on the building cradle of the building is closer to the building and in a movable state in a direction away from the building, to characterized in that a structure for mounting the support angle and the extension member .
本発明によれば、上記構成により、建屋側の特別な追加工事を要することなく、支持アングル部構造の工夫により簡単にトラスフレームの掛かり代を延長でき、リニューアル時の耐震性向上に有効となる。上記した以外の課題、構成及び効果は、以下の実施形態の説明により明らかにされる。 According to the present invention, the above configuration allows the truss frame hook to be easily extended by devising the support angle part structure without requiring special additional construction on the building side, and is effective in improving the earthquake resistance during renewal. . Problems, configurations, and effects other than those described above will be clarified by the following description of embodiments.
以下に、本発明の乗客コンベア及びそのリニューアル方法について、実施例を挙げ、図面を参照して詳細に説明する。 Below, an Example is given and the passenger conveyor of the present invention and its renewal method are explained in detail with reference to drawings.
図１は、本発明の実施例に係る乗客コンベアの一例であるエスカレータ１の概略構成を側面方向から示した図である。 FIG. 1 is a diagram showing a schematic configuration of an escalator 1 as an example of a passenger conveyor according to an embodiment of the present invention from a side surface direction.
図１を参照すれば、このエスカレータ１は、建屋の下階床Ｆ１と上階床Ｆ２との間に架設され、下階床Ｆ１に延在する下部水平部２ａ、上階床Ｆ２に延在する上部水平部２ｂ、並びに下部水平部２ａと上部水平部２ｂとの間に形成される傾斜部２ｃを有して成るトラスフレーム２を備えている。トラスフレーム２には、構成部品となる互いに連結されて乗降口間を循環して移動する複数の踏段（ステップ）５や、これらの踏段５の進行方向の両側面に立設される欄干６等が設置されている。この他、下部水平部２ａの終端部には下階床Ｆ１の下階建築受台Ｆ１ａに載置される下部支持アングル３が設けられ、上部水平部２ｂの終端部には上階床Ｆ２の上階建築受台Ｆ２ａに載置される上部支持アングル４が設けられ、これらの下部支持アングル３、上部支持アングル４を介して建屋の一方の床となる下階床Ｆ１と他方の床となる上階床Ｆ２との間にトラスフレーム２が架設されて構成されている。 Referring to FIG. 1, the escalator 1 is constructed between the lower floor F1 and the upper floor F2 of the building, and extends to the lower horizontal portion 2a extending to the lower floor F1 and the upper floor F2. A truss frame 2 having an upper horizontal portion 2b and an inclined portion 2c formed between the lower horizontal portion 2a and the upper horizontal portion 2b. The truss frame 2 includes a plurality of steps (steps) 5 that are connected to each other and circulate between the entrances and exits, and a balustrade 6 that is erected on both sides in the traveling direction of the steps 5. Is installed. In addition, a lower support angle 3 placed on the lower floor receiving base F1a of the lower floor F1 is provided at the terminal portion of the lower horizontal portion 2a, and the upper floor F2 is disposed at the terminal portion of the upper horizontal portion 2b. An upper support angle 4 placed on the upper floor building cradle F2a is provided. The lower support floor 3 and the upper support angle 4 serve as one floor of the building and the lower floor F1 and the other floor. The truss frame 2 is constructed between the upper floor F2.
図２は、このエスカレータ１のリニューアル時に適用される支持アングル部構造を一部破断して側面方向から示した図である。 FIG. 2 is a view in which the support angle portion structure applied when the escalator 1 is renewed is partially broken and shown from the side surface direction.
図２を参照すれば、この支持アングル部構造は、建屋の下階床Ｆ１の下部支持アングル３を対象として図示したもので、既設製品を撤去し、同じ場所に新設製品を設置するリニューアル時にトラスフレーム２の掛かり代を寸法上で大きくするために周知技術でも採用されている下部支持アングル３に延長部材３ａを結合する際の強度を向上させるべく、下部支持アングル３及び延長部材３ａを外方表面側に設置される補強板８に取り付ける以外に、建屋の下階建築受台Ｆ１ａ上に下部支持アングル３及び延長部材３ａを下階床Ｆ１の仕上げ面Ｆ１ｂより高い位置で支持する嵩上げ台７を介在させて下部支持アングル３及び延長部材３ａを載置した構造となっている。また、ここでの嵩上げ台７は、大きくされたトラスフレーム２の掛かり代の寸法Ｗ１よりも小さな支持幅寸法Ｗ２の支持部７ａが下部支持アングル３の下階床Ｆ１の仕上げ面Ｆ１ｂと平行な片部（水平延在部と鉛直延在部とで構成された下部支持アングル３の水平延在部）におけるトラスフレーム２側の内曲がり部（所謂内Ｒ部）寄りの局部に当接する形状となっている。ここでの嵩上げ台７上面における下部支持アングル３の内曲がり部寄りの隅部に段差を成すように凸状に突出して形成された支持部７ａは、その支持幅寸法Ｗ２が嵩上げ台７本体の上面寸法よりも小さく、且つ下部支持アングル３の内曲がり部側に近い部分の局部を支える構造であるため、地震発生時の振動等を含む外力が加えられたときのトラスフレーム２に働くモーメントを小さくすることができる。因みに、建屋の上階床Ｆ２及び上階建築受台Ｆ２ａに係る上部支持アングル４についても、同様な支持アングル部構造が適用されているものとする。 Referring to FIG. 2, this support angle structure is shown for the lower support angle 3 of the lower floor F1 of the building. The existing product is removed and the truss is renewed when a new product is installed at the same place. In order to increase the strength when the extension member 3a is coupled to the lower support angle 3 which is also used in the known technology to increase the hanging allowance of the frame 2, the lower support angle 3 and the extension member 3a are moved outward. In addition to being attached to the reinforcing plate 8 installed on the surface side, the raising base 7 for supporting the lower support angle 3 and the extension member 3a on the lower floor building receiving base F1a of the building at a position higher than the finished surface F1b of the lower floor F1. The lower support angle 3 and the extension member 3a are placed with the intervening. Further, in the raising base 7 here, the support portion 7a having a support width dimension W2 smaller than the dimension W1 of the enlarged truss frame 2 is parallel to the finished surface F1b of the lower floor F1 of the lower support angle 3. A shape that abuts a local portion near an inner curved portion (so-called inner R portion) on the truss frame 2 side in one portion (horizontal extending portion of the lower support angle 3 constituted by a horizontally extending portion and a vertically extending portion) It has become. Here, the support portion 7a formed so as to project in a step shape at the corner near the inner curved portion of the lower support angle 3 on the upper surface of the raising table 7 has a supporting width dimension W2 of the raising table 7 main body. Because it is a structure that supports the local part of the lower support angle 3 that is smaller than the upper surface dimension and close to the inner curved part side of the lower support angle 3, the moment acting on the truss frame 2 when an external force including vibration at the time of an earthquake is applied is applied. Can be small. Incidentally, the same support angle part structure shall be applied also about the upper support angle 4 which concerns on the upper floor F2 of a building, and the upper floor construction receiving stand F2a.
要するに、実施例でエスカレータ１のリニューアル時に適用される支持アングル部構造は、簡易な方法で建屋床の除去といった建屋側の特別な追加工事を要することなく、簡単に支持アングル（下部支持アングル３、上部支持アングル４）の掛かり代を延長してリニューアル時の耐震性向上を図るための工夫が施されている。図２を参照して具体的に云えば、エスカレータ１のリニューアル時に下部支持アングル３に延長部材３ａを強度良く結合するために補強板８を用いて補強板８に溶接等で結合するように下部支持アングル３及び延長部材３ａを取り付け、既設エスカレータ（下部支持アングル３）の掛かり代の寸法Ｗ３から延長部材３ａ分を加えてトラスフレーム２の掛かり代の寸法Ｗ１へとなるように掛かり代を大きくしている。また、下階建築受台Ｆ１ａ上に嵩上げ台７を設置し、嵩上げ台７の小さな支持幅寸法Ｗ２の支持部７ａ上に延長部材３ａと結合された下部支持アングル３の内曲がり部寄りの局部を載置する。ここでの嵩上げ台７は、支持部７ａ上に下部支持アングル３の局部が載置された状態において、建屋の下階建築受台Ｆ１ａ上に下部支持アングル３及び延長部材３ａを下階床Ｆ１の仕上げ面Ｆ１ｂより高い位置で支持するため、下階建築受台Ｆ１ａを拡大する必要がなく、建屋の下階床Ｆ１の一部を除去する必要もなく設置できるようになっている。また、嵩上げ台７の小さな支持幅寸法Ｗ２の支持部７ａは、下部支持アングル３の内曲がり部側に近い部分を支え、上部支持アングル４についても左右対称の同様な支持構造が適用されるため、エスカレータ１の常時荷重を受ける下支点（下部支持アングル３の支持箇所）と上支点（上部支持アングル４の支持箇所）との間の寸法を短くでき、これによって外力が加えられたときのトラスフレーム２に働くモーメントを小さくできると共に、下部支持アングル３及び上部支持アングル４の薄型化を図ることができる。 In short, the support angle portion structure applied when the escalator 1 is renewed in the embodiment can be easily supported without any special additional work on the side of the building such as removal of the building floor by a simple method (lower support angle 3, A device has been devised to extend the hook of the upper support angle 4) and improve the earthquake resistance during renewal. More specifically, referring to FIG. 2, when the escalator 1 is renewed, the lower support angle 3 is connected to the lower support angle 3 by using a reinforcing plate 8 to bond the extension member 3 a with high strength. Attach the support angle 3 and the extension member 3a, and add the extension member 3a to the extension W3 of the existing escalator (lower support angle 3) to increase the hook allowance to the dimension W1 of the truss frame 2 doing. Moreover, the raising stand 7 is installed on the lower-floor building cradle F1a, and the local portion near the inner bent portion of the lower support angle 3 coupled to the extension member 3a on the support portion 7a of the raising stand 7 having a small support width W2. Is placed. In the state where the local part of the lower support angle 3 is placed on the support portion 7a, the raising base 7 here has the lower support angle 3 and the extension member 3a on the lower floor building F1a on the lower floor building receiving base F1a of the building. Since it is supported at a position higher than the finished surface F1b, it is not necessary to enlarge the lower floor building cradle F1a, and it can be installed without removing a part of the lower floor F1 of the building. Further, the support portion 7a having a small support width dimension W2 of the raising base 7 supports a portion of the lower support angle 3 that is close to the inner curved portion side, and the same support structure that is symmetric is applied to the upper support angle 4 as well. The truss when the external force is applied can be reduced by shortening the dimension between the lower fulcrum (supporting part of the lower support angle 3) and the upper fulcrum (supporting part of the upper support angle 4) that receive the constant load of the escalator 1. The moment acting on the frame 2 can be reduced, and the lower support angle 3 and the upper support angle 4 can be made thinner.
このような支持アングル部構造がリニューアル時に採用されたエスカレータ１では、図２に示されるように通常状態で延長部材３ａ及び下部支持アングル３の先端側は嵩上げ台７の上面には当接せず、下部支持アングル３の根元側の中途箇所のみが嵩上げ台７の支持部７ａにより支持されることになる。これに対し、地震発生の振動により大きな層間変位角が生じ、建築梁間寸法が比較的大きく伸長した場合、下階床Ｆ１及び下階建築受台Ｆ１ａは図１及び図２中の左方向や右方向に移動するが、このときに嵩上げ台７の支持部７ａは下部支持アングル３の先端側（延長部材３ａを含む）か、或いは下部支持アングル３の内曲がり部（内Ｒ）側に移動して延長部材３ａや下部支持アングル３の局部を支持する状態を維持するため、トラスフレーム２が落下することを防止することができ、耐震性の向上が図られる。 In the escalator 1 in which such a support angle portion structure is adopted at the time of renewal, as shown in FIG. 2, the distal ends of the extension member 3 a and the lower support angle 3 do not contact the upper surface of the raising base 7 in a normal state. Only the midway portion on the base side of the lower support angle 3 is supported by the support portion 7 a of the raising base 7. On the other hand, when a large interlayer displacement angle is generated due to the vibration caused by the earthquake and the dimension between the building beams is relatively large, the lower floor F1 and the lower floor building cradle F1a are moved to the left or right in FIGS. At this time, the support portion 7a of the raising base 7 moves to the tip end side (including the extension member 3a) of the lower support angle 3 or to the inner bent portion (inner R) side of the lower support angle 3. Thus, the state in which the extension member 3a and the local portion of the lower support angle 3 are supported is maintained, so that the truss frame 2 can be prevented from falling, and the earthquake resistance can be improved.
図３は、係る支持アングル部構造が地震発生による振動で変動した様子を一部破断して側面方向から示した図であり、同図（ａ）は支持アングル部構造が建屋から離れる方向に動いた様子の図、同図（ｂ）は支持アングル部構造が建屋に近付く方向に動いた様子の図である。 FIG. 3 is a partially broken view showing a state in which the support angle portion structure fluctuates due to vibration caused by the occurrence of an earthquake, and FIG. 3A shows the support angle portion structure moving away from the building. FIG. 8B is a diagram showing the state in which the support angle portion structure has moved in a direction approaching the building.
図３（ａ）を参照すれば、ここでは地震発生の振動により大きな層間変位角が生じ、建屋の下階床Ｆ１及び下階建築受台Ｆ１ａが左方向に移動して支持アングル部構造が建屋から離れる方向に動いた場合に該当し、こうした場合には例えば嵩上げ台７の支持部７ａが図２に示す下部支持アングル３の下階床Ｆ１の仕上げ面Ｆ１ｂと平行な片部における略中央箇所から移動して延長部材３ａの局部を支持する状態となり、支持状態は維持されてトラスフレーム２が落下しないことを示している。因みに、図３（ａ）に示される支持アングル部構造の移動形態は、建屋から離れる方向に最大に動いた状態を示しているとみなすことができる。 Referring to FIG. 3A, here, a large interlayer displacement angle is generated by the vibration caused by the earthquake, and the lower floor F1 and the lower floor cradle F1a of the building move to the left, so that the support angle portion structure is the building. In such a case, for example, the support portion 7a of the raising base 7 is substantially at a central portion in one part parallel to the finished surface F1b of the lower floor F1 of the lower support angle 3 shown in FIG. It shows that the truss frame 2 does not fall because the support state is maintained and the support state is maintained. Incidentally, the movement form of the support angle part structure shown to Fig.3 (a) can be considered that it has shown the state which moved to the maximum in the direction away from a building.
一方、図３（ｂ）を参照すれば、ここでは地震発生の振動により大きな層間変位角が生じ、建屋の下階床Ｆ１及び下階建築受台Ｆ１ａが右方向に移動して支持アングル部構造が建屋に近付く方向に動いた場合に該当し、こうした場合には例えば嵩上げ台７の支持部７ａが図２に示す下部支持アングル３の下階床Ｆ１の仕上げ面Ｆ１ｂと平行な片部における略中央箇所から移動して下部支持アングル３の内曲がり部（内Ｒ）側近傍を支持する状態となり、同様に支持状態は維持されてトラスフレーム２が落下しないことを示している。因みに、図３（ｂ）に示される支持アングル部構造の移動形態は、建屋に近付く方向に最大に動いた状態を示しているとみなすことができる。勿論、建屋の上階床Ｆ２及び上階建築受台Ｆ２ａに係る上部支持アングル４についても、同様な支持アングル部構造が採用されているため、図３（ａ）や図３（ｂ）の場合に相当する嵩上げ台７の支持部７ａの移動を生じるが、その様子はまちまちになる事態が想定されるものの、同様に支持状態は維持されてトラスフレーム２が落下しない。 On the other hand, referring to FIG. 3B, here, a large interlayer displacement angle is generated by the vibration caused by the occurrence of the earthquake, and the lower floor F1 and the lower floor cradle F1a of the building move to the right and the support angle portion structure Corresponds to the case of moving in the direction approaching the building. In such a case, for example, the support portion 7a of the raising base 7 is substantially in one part parallel to the finished surface F1b of the lower floor F1 of the lower support angle 3 shown in FIG. It moves from the central part to enter a state of supporting the vicinity of the inner curved portion (inner R) side of the lower support angle 3, and similarly, the support state is maintained and the truss frame 2 does not fall. Incidentally, it can be considered that the movement form of the support angle part structure shown in FIG. 3B shows a state in which the support angle part structure moves to the maximum in the direction approaching the building. Of course, since the same support angle part structure is adopted also about the upper support angle 4 concerning the upper floor F2 and the upper floor cradle F2a of the building, in the case of FIG. 3A and FIG. Although the movement of the support portion 7a of the raising base 7 corresponding to the above occurs, the situation is assumed to vary, but the support state is similarly maintained and the truss frame 2 does not fall.
以上に説明したように実施例に係るエスカレータ１によれば、リニューアル時に採用される支持アングル部構造が工夫され、トラスフレーム２の掛かり代の寸法Ｗ１を大きくするために支持アングル（下部支持アングル３、上部支持アングル４）と延長部材３ａとを補強板８に取り付けると共に、建屋の建築受台（下階建築受台Ｆ１ａ、上階建築受台Ｆ２ａ）上に支持アングル（下部支持アングル３、上部支持アングル４）及び延長部材３ａを床（下階床Ｆ１、上階床Ｆ２）の仕上げ面より高い位置で支持する嵩上げ台７を介在させて支持アングル（下部支持アングル３、上部支持アングル４）及び延長部材３ａを載置した構造としているため、建屋床の除去といった建屋側の特別な追加工事を要することなく、支持アングル部構造の工夫により簡単にトラスフレーム２の掛かり代の寸法Ｗ１を延長でき、リニューアル時の耐震性向上に有効となり、地震発生の振動により大きな層間変位角が生じ、建築梁間寸法が比較的大きく伸長した場合でもトラスフレーム２の落下を防止することができる。また、リニューアル時に短時間にして、低コストで新設製品を設置することができ、特に通常状態で嵩上げ台７の支持部７ａで支持アングル（下部支持アングル３、上部支持アングル４）の内曲がり部側に近い部分の局部を支持することにより、地震発生時の振動等を含む外力が加えられたときのトラスフレーム２に働くモーメントを小さくすることができるため、この点においても機械的強度が確保されて耐震性の向上が顕著に図られるようになる。 As described above, according to the escalator 1 according to the embodiment, the support angle portion structure adopted at the time of renewal is devised, and the support angle (lower support angle 3) is increased in order to increase the dimension W1 of the truss frame 2 overhang. The upper support angle 4) and the extension member 3a are attached to the reinforcing plate 8, and the support angle (lower support angle 3, upper part) on the building cradle (lower floor cradle F1a, upper floor cradle F2a) of the building. Support angle 4 (lower support angle 3 and upper support angle 4) with a raising base 7 supporting the support member 4a and the extension member 3a at a position higher than the finished surface of the floor (lower floor F1, upper floor F2). And because it has a structure with the extension member 3a mounted, it does not require special additional work on the building side, such as removal of the building floor, so that the support angle part structure can be devised. The dimension W1 of the truss frame 2 can be easily extended, which is effective for improving the earthquake resistance during renewal. The truss frame 2 has a large interlaminar displacement angle due to the vibration caused by the earthquake, and the truss frame can be extended even when the dimensions between the beams are relatively large. The frame 2 can be prevented from falling. In addition, a new product can be installed at a low cost in a short time at the time of renewal, and inwardly bent portions of the support angles (lower support angle 3 and upper support angle 4) at the support portion 7a of the raising base 7 in a normal state. Supporting the local part close to the side can reduce the moment acting on the truss frame 2 when an external force including vibrations at the time of the earthquake is applied, so this also ensures mechanical strength As a result, the improvement of the earthquake resistance is remarkably achieved.
尚、本発明の乗客コンベアは、実施例で説明したエスカレータ１以外にも、トラスフレームが水平部のみで構成されると共に、複数の踏段５の中途箇所が階段状を成さずに平坦状態が維持され、同一階床に設置される構造の動く歩道を対象としても同等に適用することが可能であるため、実施例で説明したエスカレータ１への適用形態に限定されない。 In addition to the escalator 1 described in the embodiment, the passenger conveyor of the present invention is configured such that the truss frame is composed only of a horizontal portion, and the midpoints of the plurality of steps 5 are flat without being stepped. Since it can be equally applied to a moving sidewalk having a structure that is maintained and installed on the same floor, the application form is not limited to the escalator 1 described in the embodiment.
ところで、上述した本発明の乗客コンベアの技術的要旨は、トラスフレームの両方の終端部に支持アングルを備えると共に、支持アングルを介して建屋の一方の床と他方の床との間にトラスフレームを架設した乗客コンベアを対象として既設製品を撤去し、同じ場所に新設製品を設置する乗客コンベアのリニューアル方法として換言することができる。即ち、係る乗客コンベアのリニューアル方法では、リニューアル時に適用する支持アングル部構造について、トラスフレームの掛かり代を寸法上で大きくするために支持アングルに延長部材を結合すると共に、建屋の建築受台上に支持アングル及び延長部材を床の仕上げ面より高い位置で支持する嵩上げ台７を介在させて支持アングル及び延長部材を載置する構造とするものである。また、支持アングル部構造では、嵩上げ台７のトラスフレームの掛かり代よりも小さな支持幅寸法の支持部７ａを支持アングルの床の仕上げ面と平行な片部におけるトラスフレーム側の内曲がり部（所謂内Ｒ）寄りの局部に当接させた状態とするものである。更に、支持アングル部構造では、支持アングルと延長部材との結合強度を補強するために支持アングル及び延長部材を補強板８に取り付けて補強板８を外方表面側に設置させるものである。 By the way, the technical summary of the above-described passenger conveyor according to the present invention includes a support angle at both end portions of the truss frame and a truss frame between one floor and the other floor of the building via the support angle. In other words, the existing product is removed from the installed passenger conveyor and the new product is installed at the same place. That is, in the renewal method of the passenger conveyor, an extension member is coupled to the support angle in order to increase the dimension of the truss frame for the support angle portion structure applied at the time of renewal, and on the building cradle of the building. In this structure, the support angle and the extension member are placed by interposing a raising base 7 that supports the support angle and the extension member at a position higher than the finished surface of the floor. Further, in the support angle portion structure, the support portion 7a having a support width smaller than the truss frame hanging allowance of the raising base 7 is an inwardly bent portion on the truss frame side (a so-called bent portion on the truss frame side of the support angle floor). Inner R) is in a state of being brought into contact with a local part near. Further, in the support angle portion structure, in order to reinforce the coupling strength between the support angle and the extension member, the support angle and the extension member are attached to the reinforcement plate 8 and the reinforcement plate 8 is installed on the outer surface side.
１ エスカレータ
２ トラスフレーム
２ａ 下部水平部
２ｂ 上部水平部
２ｃ 傾斜部
３ 下部支持アングル
３ａ 延長部材
４ 上部支持アングル
５ 踏段（ステップ）
６ 欄干
７ 嵩上げ台
７ａ 支持部
８ 補強板
Ｆ１ 下階床
Ｆ１ａ 下階建築受台
Ｆ１ｂ 仕上げ面
Ｆ２ 上階床
Ｆ２ａ 上階建築受台
DESCRIPTION OF SYMBOLS 1 Escalator 2 Truss frame 2a Lower horizontal part 2b Upper horizontal part 2c Inclination part 3 Lower support angle 3a Extension member 4 Upper support angle 5 Step (step)
6 Railings 7 Raising table 7a Supporting part 8 Reinforcement plate F1 Lower floor F1a Lower floor cradle F1b Finish surface F2 Upper floor F2a Upper floor cradle
Claims (6)
既設製品を撤去し、同じ場所に新設製品を設置するリニューアル時に、前記トラスフレームの掛かり代を寸法上で大きくするために前記支持アングルに延長部材を結合すると共に、前記建屋の建築受台上に配置した嵩上げ台の前記床の仕上げ面より高い位置の支持部に、前記建屋に近づく方向及び前記建屋から遠ざかる方向に移動可能な状態で、当該支持アングル及び当該延長部材を載置した支持アングル部構造が適用されたことを特徴とする乗客コンベア。 In the passenger conveyor provided with a support angle at both end portions of the truss frame, and the truss frame constructed between one floor and the other floor of the building via the support angle,
And removing the existing product, at the time of renewal to install a new product in the same place, together with the coupling the extension member to the support angle in order to increase the take allowance of the truss frame on the size, on the building of the building cradle A support angle portion on which the support angle and the extension member are placed in a state where it can move in a direction approaching the building and a direction away from the building to a support portion at a position higher than the finished surface of the floor of the raised platform. Passenger conveyor characterized in that the structure is applied.
前記嵩上げ台は、前記トラスフレームの掛かり代よりも小さな支持幅寸法の支持部が前記支持アングルの前記床の仕上げ面と平行な片部における当該トラスフレーム側の内曲がり部寄りの局部に当接することを特徴とする乗客コンベア。 In the passenger conveyor according to claim 1,
In the raising platform, a support portion having a support width dimension smaller than an allowance for the truss frame is in contact with a local portion of the support angle near the inner curved portion on the truss frame side in a parallel portion with the finished surface of the floor. A passenger conveyor characterized by that.
前記支持アングル部構造は、前記支持アングルと前記延長部材との結合強度を補強するために当該支持アングル及び当該延長部材を取り付けて外方表面側に設置される補強板を備えたことを特徴とする乗客コンベア。 In the passenger conveyor according to claim 1 or 2,
The support angle portion structure includes a reinforcing plate installed on the outer surface side to which the support angle and the extension member are attached in order to reinforce the coupling strength between the support angle and the extension member. Passenger conveyor.
リニューアル時に適用する支持アングル部構造について、前記トラスフレームの掛かり代を寸法上で大きくするために前記支持アングルに延長部材を結合すると共に、前記建屋の建築受台上に配置した嵩上げ台の前記床の仕上げ面より高い位置の支持部に、前記建屋に近づく方向及び前記建屋から遠ざかる方向に移動可能な状態で、当該支持アングル及び当該延長部材を載置する構造とすることを特徴とする乗客コンベアのリニューアル方法。 While providing a support angle at both end portions of the truss frame, the existing product is removed for a passenger conveyor in which the truss frame is installed between one floor and the other floor of the building via the support angle, In the renewal method of passenger conveyors where new products are installed in the same place
Regarding the support angle portion structure to be applied at the time of renewal, the floor of the raising base disposed on the building cradle of the building, and an extension member is coupled to the support angle in order to increase the hanging margin of the truss frame in size. A passenger conveyor having a structure in which the support angle and the extension member are mounted on a support portion at a position higher than the finished surface in a state in which the support angle and the extension member can be moved in a direction moving toward the building and away from the building. Renewal method.
前記支持アングル部構造では、前記嵩上げ台の前記トラスフレームの掛かり代よりも小さな支持幅寸法の支持部を前記支持アングルの前記床の仕上げ面と平行な片部における当該トラスフレーム側の内曲がり部寄りの局部に当接させた状態とすることを特徴とする乗客コンベアのリニューアル方法。 In the renewal method of the passenger conveyor of Claim 4,
In the support angle part structure, a support part having a support width dimension smaller than a hanging margin of the truss frame of the raising base is an inwardly bent part on the truss frame side in a part parallel to the finished surface of the floor of the support angle. A method for renewing a passenger conveyor, wherein the passenger conveyor is brought into contact with a nearby local area.
前記支持アングル部構造では、前記支持アングルと前記延長部材との結合強度を補強するために当該支持アングル及び当該延長部材を補強板に取り付けて当該補強板を外方表面側に設置させることを特徴とする乗客コンベアのリニューアル方法。
In the renewal method of the passenger conveyor of Claim 4 or 5,
In the support angle portion structure, in order to reinforce the coupling strength between the support angle and the extension member, the support angle and the extension member are attached to a reinforcing plate, and the reinforcing plate is installed on the outer surface side. Renewal method for passenger conveyors.
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