JP2007210714A - Footboard for passenger conveyor - Google Patents

Footboard for passenger conveyor Download PDF

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JP2007210714A
JP2007210714A JP2006030021A JP2006030021A JP2007210714A JP 2007210714 A JP2007210714 A JP 2007210714A JP 2006030021 A JP2006030021 A JP 2006030021A JP 2006030021 A JP2006030021 A JP 2006030021A JP 2007210714 A JP2007210714 A JP 2007210714A
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tread
aluminum die
cleat
casting
man conveyor
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Hideki Anshita
英樹 庵下
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a footboard for a passenger conveyor having a rough surface with rough recession/projection more than at least a metal base material (cast surface) of aluminum die casting when a coating of a stepping surface at a cleat apex part of the footboard is polished. <P>SOLUTION: The footboard for the passenger conveyor is constituted by a metal such as aluminum die casting applied with coating such as electrodeposition coating excellent in adhesion property/weather resistance property or the like and has an upper surface provided with the cleat 6. In order to prevent reduction of design property caused by peeling off of coating, when the coating of the stepping surface 7 at the cleat apex part is polished, the surface of the base material is roughened more than at least the casting surface of aluminum die casting. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

この発明は、エスカレータ、動く歩道等のマンコンベアの踏板に関するものである。   The present invention relates to treads for man conveyors such as escalators and moving walkways.

従来のマンコンベアの踏板クリートは、通常の場合、アルミダイカストで鋳造成形されたものであり、その表面には付着性、耐摩耗性、防錆性能等に配慮した塗料が塗装されている。この場合、踏面の塗料は通常処理による塗装では性能に限界があり、剥がれ易く、常に乗客により踏まれることにより、意匠性の低下が著しい。したがって、通常の場合、踏面の塗料については予め削り取って磨いて出荷される。この時、踏面は目の細かいバフ等の研磨材で磨かれ、通常滑らかな面となっており、踏面の表面粗度が低くなっている。 平らな板に対してクリート(凹凸形状)を設置すること自体が踏板上のスリップ防止の対策と考えられてきたことから、踏面の表面粗度により滑り易さをコントロールするまでの考え方はこれまで存在しなかった。踏面の摩擦係数が低いと、例えば雨天時に踏板あるいは乗客の靴が水で濡れた際は、特に摩擦係数が低下し、乗客の靴がスリップする恐れがあるという問題があった。
そして、このような問題に対しては、これまでに以下のような提案がなされている。
例えば、動く歩道の踏板では、スリップ防止のための溝を設けているものが多く見受けられる。また、例えば、ゴムやセラミック等の摩擦係数の高い材料を金属クリート表面に貼り付けるものがある(例えば、特許文献1、2参照)。
Conventional footboard cleats of man conveyors are usually cast and formed by aluminum die casting, and the surface thereof is coated with a paint in consideration of adhesion, wear resistance, rust prevention performance, and the like. In this case, the paint on the tread has a limit in performance in the case of painting by a normal treatment, and is easily peeled off. Therefore, in the normal case, the paint on the tread is scraped and polished before shipment. At this time, the tread surface is polished with an abrasive such as a fine buff and is usually a smooth surface, and the surface roughness of the tread surface is low. Since it has been considered that cleats (concave and convex shapes) are installed on a flat board itself as a measure to prevent slipping on the tread, the idea to control the ease of slipping by the surface roughness of the tread has so far been Did not exist. When the coefficient of friction of the tread surface is low, for example, when the tread board or the passenger's shoes get wet with water during rainy weather, there is a problem that the coefficient of friction decreases, and the passenger's shoes may slip.
The following proposals have been made for such problems.
For example, many footboards on a moving sidewalk are provided with grooves for preventing slipping. In addition, for example, there is one in which a material having a high friction coefficient such as rubber or ceramic is attached to the surface of the metal cleat (for example, see Patent Documents 1 and 2).

特開平10−101284号公報Japanese Patent Laid-Open No. 10-101284 特開昭63−202585号公報JP-A-63-202585

従来の動く歩道の踏板のようにスリップ防止のための溝を設けているものでは、クリートの強度が低下するという欠点に加えて、鋳造後の加工で対応する場合は加工時間・コストをかなり要するといった問題があり、また、鋳造の金型で対応する場合は型の強度上、溝をあまり小さくできず、溝を大きくすると乗客が溝で負傷する懸念や櫛部で踏板が入り込む際に挟まれ易くなるなどの問題があった。更に、鋳造の湯流れに影響して踏板全体として鋳造が難しい方向となる他、金型の寿命が短縮するなどの課題もあった。
また、ゴムやセラミック等の摩擦係数の高い材料を金属クリート表面に貼り付けるものでは、いずれも施工性に難があり、踏面から突出している場合には、乗客の躓きの恐れも発生するので、実用化されていない。また、ケイ砂などを混ぜて摩擦係数を高めた塗料を踏面に塗る案も出ているが、やはり付着性には限界があり使用するにつれて剥がれて意匠性が低下するという難点がある。
In addition to the disadvantage that the strength of the cleat is reduced, the conventional structure with a groove for preventing slipping like a step board on a moving walkway requires considerable processing time and cost when processing after casting. In addition, when dealing with casting molds, due to the strength of the mold, the groove can not be made too small, and if the groove is enlarged, passengers may be injured in the groove and the treads are likely to be caught when entering the comb part There were problems such as becoming. In addition, the casting plate is difficult to cast as a whole due to the influence of the casting hot water flow, and the life of the mold is shortened.
In addition, if a material with a high coefficient of friction such as rubber or ceramic is attached to the surface of the metal cleat, it is difficult to work, and if it protrudes from the tread surface, there is a risk of passengers struggling. Not put into practical use. There is also a proposal to apply a paint having a higher coefficient of friction by mixing silica sand or the like on the tread surface. However, there is a limit to adhesion, and there is a problem that it is peeled off as it is used and the design property is lowered.

この発明は上記のような課題を解決するためになされたもので、踏板のクリート頂部の踏面の塗料を研磨する際に、少なくともアルミダイカストの金属素地(鋳肌)以上に表面を粗い凹凸を有する粗面としたマンコンベアの踏板を提供するものである。   The present invention has been made to solve the above-described problems, and has a rough surface that is at least rougher than the metal base (cast skin) of the aluminum die casting when the paint on the tread surface of the cleat top of the tread is polished. The present invention provides a roughened man conveyor belt.

この発明に係るマンコンベアの踏板は、付着性・耐候性などに優れた電着塗装等の塗装が施されたアルミダイカストなどの金属から構成され、上面にクリートが設けられたものにおいて、塗装剥がれによる意匠性低下を防ぐため、クリート頂部の踏面の塗料を研磨する際に、少なくともアルミダイカストの鋳肌以上に素地表面を荒らすようにしたものである。   The footboard of the man conveyor according to the present invention is made of a metal such as aluminum die cast with electrodeposition coating or the like having excellent adhesion and weather resistance, etc., and the surface is provided with a cleat. In order to prevent the deterioration of the design property due to the above, when the paint on the tread surface of the cleat top is polished, the surface of the base material is roughened at least more than the casting surface of the aluminum die casting.

この発明によれば、スリップ防止性能が上がるので、乗客の転倒を防ぐことができる。また、踏板表面に出現するモアレ縞(規則正しい模様を重ね合わせとき、画素が相互に干渉することによりできる周期的な縞状のパターン)を、表面粗度を上げることにより防止することができる。   According to the present invention, the anti-slip performance is improved, so that the passenger can be prevented from falling. Further, moire fringes appearing on the tread surface (periodic striped patterns formed by pixels interfering with each other when regular patterns are superimposed) can be prevented by increasing the surface roughness.

実施の形態1.
図1はエスカレータ等のマンコンベアのステップ外観を示す斜視図、図2はエスカレータ等のマンコンベアのステップを示す断面図、図3はこの発明の実施の形態1におけるエスカレータ等のマンコンベアの踏板を拡大して示す斜視図、図4はこの発明の実施の形態1におけるエスカレータ等のマンコンベアの踏板を拡大して示す断面図である。
Embodiment 1.
1 is a perspective view showing a step appearance of a man conveyor such as an escalator, FIG. 2 is a cross-sectional view showing steps of a man conveyor such as an escalator, and FIG. 3 shows a step board of the man conveyor such as an escalator in Embodiment 1 of the present invention. 4 is an enlarged perspective view, and FIG. 4 is an enlarged sectional view showing a tread of a man conveyor such as an escalator in Embodiment 1 of the present invention.

図において、エスカレータ等のマンコンベアのステップ1は、踏板2、ライザー3、及びステップローラ4を取り付ける左右一対のブラケット5より構成される。通常の場合、ステップローラ4は樹脂製であるが、踏板2、ライザー3、ブラケット5は、アルミダイカストなどの金属から構成されている。また、ステップ1は、通常、滑り止め効果やステップがマンコンベアの裏側へ引退する部位での挟まれ防止を狙って、クリート6が設けられている。このクリート6には、意匠性の付与あるいは防錆を目的として、また耐久性を確保するため、通常は全面に付着性・耐候性などにも優れた電着塗装等の塗装が施されているが、塗装剥がれによる意匠性低下を防ぐため、クリート6頂部の塗装は通常マンコンベア稼動開始前に予め剥がし取り、クリート6頂部はアルミダイカスト素地が露出しているのが前提となっている。
この発明によるマンコンベアの踏板2は、塗装剥がれによる意匠性低下を防ぐため、クリート6頂部の踏面7の塗料を研磨する際に、少なくともアルミダイカストの鋳肌以上に表面を荒らすようにしたものである。この荒らす程度の一般的な目安としては、靴の滑りが起こりずらいと考えられるアルミダイキャスト製踏板2と靴間の摩擦係数が0.4程度を確保するレベルである。そして、少なくともアルミダイカストの鋳肌以上に表面を荒らすと、金属素地よりも粗い凹凸を有する粗面となる。図4に示すように、踏面7が研磨面であり、少なくともアルミダイカストの鋳肌以上に表面を荒らされ、金属素地よりも粗い凹凸を有する粗面とする。ところで、アルミダイキャスト製踏板2と靴間の摩擦係数が0.4程度を実現するためのアルミダイカスト製踏板面の表面粗さは、例えば、表面粗さ200ミクロン〜400ミクロンの範囲である。その他の面、すなわちクリート6の側面及び溝底面は、例えば電着塗装が実施されているものである。
なお、エスカレータのライザー3については、常に踏み付けられる踏板2のクリート6の踏面7と異なり、耐摩耗性は要求されず、またスリップ性についても乗客が乗る部位ではなく、逆にエスカレータのステップ1間に挟み込まれることを防ぐために低い摩擦係数が要求されることから、塗料を剥がす必要はなく、表面の粗度を上げる必要もない。
In the figure, step 1 of a man conveyor such as an escalator is composed of a pair of left and right brackets 5 to which a tread plate 2, a riser 3 and a step roller 4 are attached. In a normal case, the step roller 4 is made of resin, but the tread plate 2, the riser 3, and the bracket 5 are made of metal such as aluminum die casting. Further, the step 1 is usually provided with the cleat 6 for the purpose of preventing the slipping and preventing the step from being pinched at the part where the step is retracted to the back side of the man conveyor. For the purpose of imparting design properties or preventing rust, and to ensure durability, the cleat 6 is usually coated with an electrodeposition coating or the like having excellent adhesion and weather resistance on the entire surface. However, in order to prevent deterioration of the design properties due to paint peeling, it is assumed that the top of the cleat 6 is usually peeled in advance before the start of operation of the man conveyor, and the aluminum die-cast base is exposed at the top of the cleat 6.
The tread 2 of the man conveyor according to the present invention has a surface roughened to at least the casting surface of the aluminum die casting when the paint on the tread 7 on the top of the cleat 6 is polished in order to prevent deterioration of the design due to paint peeling. is there. A general guideline for the roughening is a level that secures a coefficient of friction of about 0.4 between the aluminum die-casting tread board 2 and the shoe, which are considered to be difficult to slip. When the surface is roughened at least beyond the cast surface of the aluminum die casting, a rough surface having rougher irregularities than the metal substrate is obtained. As shown in FIG. 4, the tread surface 7 is a polished surface, the surface of which is roughened at least more than the casting surface of the aluminum die casting, and is a rough surface having rougher irregularities than the metal substrate. By the way, the surface roughness of the aluminum die-casting tread surface for realizing the coefficient of friction between the aluminum die-casting tread 2 and the shoes is about 0.4, for example, in the range of surface roughness of 200 microns to 400 microns. The other surfaces, that is, the side surfaces of the cleats 6 and the bottom surfaces of the grooves are subjected to, for example, electrodeposition coating.
The riser 3 of the escalator is not required to have wear resistance unlike the tread 7 of the cleat 6 of the tread plate 2 that is always stepped on. Also, the slip property is not a part on which the passenger gets, and conversely between the steps 1 of the escalator. Since a low coefficient of friction is required in order to prevent the film from being caught, it is not necessary to remove the paint and it is not necessary to increase the surface roughness.

通常のバフ仕上げによる研磨では、特に水で濡れた際に底の材質の固い靴で踏板2上に乗った場合、踏面7の摩擦係数は最低で0.2以下程度まで下がり、乗客が転倒する恐れがあるが、この発明のような構成とすることにより、スリップ防止性能が上がるので、乗客の転倒を防ぐことができる。また、長年稼動するにつれて踏面7が乗客の靴によって磨かれ、再度摩擦係数が低下することも考えられるので、この場合は定期的に表面を粗くする作業を据付け現地で、または踏板2を工場に回収して実施することにより、効果を継続して得ることができる。また、踏板2表面に出現するモアレ縞(規則正しい模様を重ね合わせとき、画素が相互に干渉することによりできる周期的な縞状のパターン)を、表面粗度を上げることにより防止することができる。なお、モアレ縞は人体に視覚的な不快感を与え、乗客が目眩を起こすといったケースが稀に発生している。したがって、このようなモアレ縞が踏板2表面に出現しないことはマンコンベアの踏板にとって大変好ましいことである。   In normal buffing polishing, especially when riding on the tread board 2 with hard shoes made of the bottom material when wet with water, the coefficient of friction of the tread surface 7 decreases to about 0.2 or less and the passenger falls. Although there is a possibility, the anti-slip performance can be improved by adopting the configuration of the present invention, so that the passenger can be prevented from falling. Also, as the tread 7 is polished by the passenger's shoes as it operates for many years, the friction coefficient may decrease again. In this case, work to periodically roughen the surface is installed at the installation site or the tread 2 is set in the factory. By collecting and implementing, the effect can be continuously obtained. Further, moire fringes appearing on the surface of the tread board 2 (periodic striped patterns formed by pixels interfering with each other when regular patterns are superimposed) can be prevented by increasing the surface roughness. In some cases, moire fringes cause visual discomfort to the human body and passengers are dizzy. Therefore, it is very preferable for the tread of the man conveyor that such moire fringes do not appear on the surface of the tread 2.

アルミダイカスト製踏板の表面に塗装する場合は、クリート踏面に耐摩耗塗装(又はコーティング等)をしても充分な付着性を獲得するためには前処理に非常に手間がかかるものである。しかるに、この発明によるマンコンベアの踏板によれば、踏面の塗装は通常磨いて踏板を使用するので、踏面を荒らす研磨を実施すればスリップ防止効果もあって極めて合理的に実施することが可能となる。   In the case of painting on the surface of an aluminum die-casting tread, even if wear-resistant coating (or coating or the like) is applied to the cleat tread, in order to obtain sufficient adhesion, the pretreatment is very laborious. However, according to the tread board of the man conveyor according to the present invention, since the tread is usually polished and the tread is used, if the polishing to roughen the tread is carried out, it is possible to carry out extremely rationally with anti-slip effect. Become.

実施の形態2.
図5はこの発明の実施の形態2におけるエスカレータ等のマンコンベアの踏板を拡大して示す斜視図である。なお、実施の形態1と同一又は相当部分には同一符号を付して説明を省略する。
Embodiment 2.
FIG. 5 is an enlarged perspective view showing a tread of a man conveyor such as an escalator in Embodiment 2 of the present invention. In addition, the same code | symbol is attached | subjected to Embodiment 1 and an equivalent part, and description is abbreviate | omitted.

この実施の形態2においては、踏板2のクリート6頂部の踏面7の塗料を研磨する際に、踏板2の幅方向と平行、すなわち、図1のマンコンベアの進行方向αと直角をなす方向にヘアライン仕上げ7aを実施して素地を荒らしたものである。踏板2の使用につれて素材の摩耗が進んだ場合は、例えば工場に回収してヘアライン仕上げによる再研磨を簡単に実施することができる。なお、ヘアライン仕上げとは、表面に髪の毛のような細いラインが入る金属の仕上げ方法で、金属表面に一定方向に連続的な髪の毛のような細い研磨の条痕を残した仕上げであり、光沢をなくす、つや消し仕上げである。   In the second embodiment, when the paint on the tread surface 7 on the top of the cleat 6 of the tread plate 2 is polished, it is parallel to the width direction of the tread plate 2, that is, in a direction perpendicular to the traveling direction α of the man conveyor in FIG. The substrate is roughened by carrying out the hairline finish 7a. When the wear of the material progresses as the tread 2 is used, it can be collected in a factory and re-polished by hairline finishing, for example. Hairline finishing is a metal finishing method in which fine lines such as hair are entered on the surface, and it is a finish that leaves fine polishing streaks like continuous hair on a metal surface in a certain direction. Loss, matte finish.

このような構成とすることにより、実施の形態1による効果に加えて、マンコンベアの乗客の踏板上でのスリップ防止に対して極めて容易に所望の大きな効果が期待できるという利点がある。また、溝の追加加工と比較して安価にスリップ防止効果が得られる。   By adopting such a configuration, in addition to the effect of the first embodiment, there is an advantage that a desired large effect can be expected very easily for the slip prevention on the passenger board of the man conveyor. Further, an anti-slip effect can be obtained at a lower cost compared to the additional machining of the groove.

エスカレータ等のマンコンベアのステップ外観を示す斜視図である。It is a perspective view which shows the step external appearance of man conveyors, such as an escalator. エスカレータ等のマンコンベアのステップを示す断面図である。It is sectional drawing which shows the step of man conveyors, such as an escalator. この発明の実施の形態1におけるエスカレータ等のマンコンベアの踏板を拡大して示す斜視図である。It is a perspective view which expands and shows the tread of man conveyors, such as an escalator, in Embodiment 1 of this invention. この発明の実施の形態1におけるエスカレータ等のマンコンベアの踏板を拡大して示す断面図である。It is sectional drawing which expands and shows the tread of man conveyors, such as an escalator, in Embodiment 1 of this invention. この発明の実施の形態2におけるエスカレータ等のマンコンベアの踏板を拡大して示す斜視図である。It is a perspective view which expands and shows the tread of man conveyors, such as an escalator, in Embodiment 2 of this invention.

符号の説明Explanation of symbols

1 マンコンベアのステップ
2 踏板
3 ライザー
4 ステップローラ
5 ブラケット
6 クリート
7 踏面
7a ヘアライン仕上げ
1 Man conveyor step 2 Tread 3 Riser 4 Step roller 5 Bracket 6 Cleat 7 Tread 7a Hairline finish

Claims (6)

付着性・耐候性などに優れた電着塗装等の塗装が施されたアルミダイカストなどの金属から構成され、上面にクリートが設けられたマンコンベアの踏板において、
塗装剥がれによる意匠性低下を防ぐため、前記クリート頂部の踏面の塗料を研磨する際に、少なくともアルミダイカストの鋳肌以上に素地表面を荒らすようにしたことを特徴とするマンコンベアの踏板。
In the footboard of the man conveyor, which is composed of metal such as aluminum die casting with coating such as electrodeposition coating with excellent adhesion and weather resistance, etc., with cleats on the top surface,
In order to prevent the deterioration of the design property due to paint peeling, when the paint on the tread surface of the cleat top is polished, the surface of the base material is roughened at least more than the cast surface of the aluminum die casting.
クリート頂部の踏面の素地表面を荒らす程度は、靴の滑りが起こりずらいと考えられるアルミダイキャスト製踏板と靴間の摩擦係数が0.4程度を確保できるレベルであることを特徴とする請求項1記載のマンコンベアの踏板。   The degree of roughening the surface of the tread surface of the cleat top is a level that can secure a friction coefficient of about 0.4 between the aluminum die-casting tread board and the shoe, which is considered to be difficult to slip. 1. A tread of a man conveyor according to 1. アルミダイキャスト製踏板と靴間の摩擦係数が0.4程度を実現するためのアルミダイカスト製踏板面の表面粗さは、表面粗さ200ミクロン〜400ミクロンの範囲であることを特徴とする請求項2記載のマンコンベアの踏板。   The surface roughness of the aluminum die-casting tread surface for realizing a coefficient of friction of about 0.4 between the aluminum die-casting tread and the shoe is in the range of 200 to 400 microns. Item 2. A conveyor plate for a man conveyor according to Item 2. クリート頂部の踏面の素地表面を荒らす程度は、モアレ縞を防止できるレベルであることを特徴とする請求項1記載のマンコンベアの踏板。   2. The tread of a man conveyor according to claim 1, wherein the degree of roughening the surface of the tread surface of the cleat is at a level that can prevent moire fringes. 踏板のクリート頂部の踏面の塗料を研磨する際に、踏板の幅方向と平行に素地表面を荒らすようにしたことを特徴とする請求項1記載のマンコンベアの踏板。   2. The tread of a man conveyor according to claim 1, wherein the surface of the substrate is roughened in parallel with the width direction of the tread when the paint on the tread of the cleat top of the tread is polished. マンコンベアの進行方向と直角をなす方向にヘアライン仕上げを実施して素地表面を荒らしたことを特徴とする請求項5記載のマンコンベアの踏板。   6. The tread of a man conveyor according to claim 5, wherein the surface of the substrate is roughened by performing a hairline finish in a direction perpendicular to the traveling direction of the man conveyor.
JP2006030021A 2006-02-07 2006-02-07 Footboard for passenger conveyor Pending JP2007210714A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009027241A1 (en) * 2007-08-24 2009-03-05 Inventio Ag Moving walkways or escalators having anti-slip coating and method for applying an anti-slip coating
EP2537792A3 (en) * 2011-06-24 2013-02-20 ThyssenKrupp Elevator Innovation Center S.A. Escalator step
CN103213894A (en) * 2013-04-18 2013-07-24 南通江中光电有限公司 Energy-saving and environment-friendly ladder rung of escalator
JP2016204076A (en) * 2015-04-17 2016-12-08 株式会社日立ビルシステム Foot step of passenger conveyor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009027241A1 (en) * 2007-08-24 2009-03-05 Inventio Ag Moving walkways or escalators having anti-slip coating and method for applying an anti-slip coating
CN101784471B (en) * 2007-08-24 2013-07-03 因温特奥股份公司 Method for applying an anti-slip coating on moving walkways or escalators
EP2537792A3 (en) * 2011-06-24 2013-02-20 ThyssenKrupp Elevator Innovation Center S.A. Escalator step
ES2411982R1 (en) * 2011-06-24 2013-08-09 Thyssenkrupp Elev Innovation PELDANO FOR MECHANICAL STAIRS AND MANUFACTURING PROCEDURE
CN103213894A (en) * 2013-04-18 2013-07-24 南通江中光电有限公司 Energy-saving and environment-friendly ladder rung of escalator
JP2016204076A (en) * 2015-04-17 2016-12-08 株式会社日立ビルシステム Foot step of passenger conveyor

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