JP3987606B2 - Escalator with wheelchair steps - Google Patents

Escalator with wheelchair steps Download PDF

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JP3987606B2
JP3987606B2 JP23384297A JP23384297A JP3987606B2 JP 3987606 B2 JP3987606 B2 JP 3987606B2 JP 23384297 A JP23384297 A JP 23384297A JP 23384297 A JP23384297 A JP 23384297A JP 3987606 B2 JP3987606 B2 JP 3987606B2
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Prior art keywords
wheelchair
main frame
boarding
escalator
base
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JPH1171083A (en
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達也 吉川
学 小倉
賀義 薮内
亘美 中谷
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Description

【０００１】
【発明の属する技術分野】
この発明は、多数の踏段が連結された搬送帯が設けられて、この搬送帯に要時に複数が連結されて車椅子積載面を形成する車椅子用踏段が配置された車椅子踏段付エスカレーターに関する。
【０００２】
【従来の技術】
図２０〜図２３は、例えば特開平７−３３０２７３号公報に示された従来の車椅子踏段付エスカレーターを示す図で、図２０は概念的側面図、図２１は車椅子搬送の第一状況を説明する図２０の下端側乗降口箇所の拡大図、図２２は車椅子搬送の第二状況を説明する図２０の下端側乗降口箇所の拡大図、図２３は車椅子搬送の第三状況を説明する図２０の下端側乗降口箇所の拡大図である。
【０００３】
図において、１は傾斜して配置されたエスカレーターの主枠、２は主枠１の下端、３は主枠１の上端、４は主枠１の下端２及び上端３にそれぞれ形成された乗降口、５は乗降口４に設けられて主枠１中間部側に配置された櫛、６は多数の踏段７が無端状に連結されて主枠１を循環移動する搬送帯である。
【０００４】
８は主枠１内に設けられて下端２寄り及び上端３寄りにそれぞれ配置された作動機構で、ラックとピニオンからなり電動機によって駆動される昇降機構９及び主枠１の長手と平行に配置されたローラチェン１０からなる係合機構１１によって構成されている。
【０００５】
１２は搬送帯６の一部をなし踏段７の相互間に配置された傾斜車椅子用踏段で、要時に上昇した作動機構８の係合機構１１に係合して、搬送帯６の移動によって駆動される傾斜機構１３の変位によって傾斜する傾斜踏み板１４が設けられている。
【０００６】
１５は搬送帯６の一部をなし踏段７の相互間に配置されて傾斜車椅子用踏段１２の主枠１の下端２側に配置された第一車椅子用踏段で、要時に上昇した作動機構８の係合機構１１に係合して、搬送帯６の移動によって駆動される進退機構１６によって主枠１の下端側へ突出変位する連結腕１７が設けられている。
【０００７】
１８は搬送帯６の一部をなし踏段７の相互間に配置されて第一車椅子用踏段１５の主枠１の下端２側に配置された第二車椅子用踏段で、突出した第一車椅子用踏段１５の連結腕１７に支持されて第一車椅子用踏段１５の傾斜移動により、第二車椅子用踏段１８の基部から上昇して第一車椅子用踏段１５の踏み板面位置に支持される上昇踏み板１９が設けられている。
【０００８】
２０は第二車椅子用踏段１８の主枠１下端２側に設けられた車止め片で、要時に上昇した作動機構８の係合機構１１に係合して、搬送帯６の移動によって駆動される変位機構２１によって上方に突出変位する。２２は車椅子で、主として第一車椅子用踏段１５及び第二車椅子用踏段１８によって形成された車椅子積載面２３に搭載されて搬送される。
【０００９】
従来の車椅子踏段付エスカレーターは上記のように構成されて、通常時には、作動機構８の昇降機構９が下降位置に、傾斜車椅子用踏段１２の傾斜踏み板１４は水平位置に、第一車椅子用踏段１５の連結腕１７は引退位置に、また第二車椅子用踏段１８の上昇踏み板１９及び車止め片２０は下降位置にそれぞれ配置される。
【００１０】
この状態で搬送帯６が主枠１内を循環運転されて踏段７、傾斜車椅子用踏段１２、第一車椅子用踏段１５及び第二車椅子用踏段１８により一般乗客が搬送される。なお、搬送帯６の循環運転により第一車椅子用踏段１５等の全部の踏段は、上昇運転の場合に下端２側の乗降口４から水平移動し、次いで傾斜角度が漸増する漸増傾斜移動する。
【００１１】
次いで、一定傾斜角度による一定傾斜移動して上端３側の乗降口４に近づくと傾斜角度が漸減する漸減傾斜移動する。その後に上端３側の乗降口４へ水平移動して循環移動する。なお、下降運転のときには全部の踏段が上昇運転の場合とは逆の順序で循環移動する。
【００１２】
そして、車椅子２２を上昇搬送する場合、すなわち車椅子２２を下端２側の乗降口４から上端３側の乗降口４へ搬送するときには、車椅子踏段付エスカレーターの車椅子運転スイッチ（図示しない）により車椅子運転に切り換えられる。これによって、作動機構８の昇降機構９が付勢されて係合機構１１が上昇位置に配置される。次いで、搬送帯６が上昇運転される。
【００１３】
そして、傾斜車椅子用踏段１２が下端２側の乗降口４から上端３側方向へ水平移動することより、上昇した作動機構８の係合機構１１に傾斜機構１３が係合して駆動される。これによって、傾斜踏み板１４が変位して図２１に示すように傾斜する。
【００１４】
また、第一車椅子用踏段１５が下端２側の乗降口４から上端３側方向へ水平移動することより、上昇した作動機構８の係合機構１１に進退機構１６が係合して駆動される。これによって、連結腕１７が主枠１の下端側へ突出変位して図２１に示すように上昇踏み板１９を支持する。この状態、すなわち図２１に示す状態で下端２側の乗降口４から車椅子２２が第一車椅子用踏段１５及び第二車椅子用踏段１８によって形成された車椅子積載面２３に搭載される。
【００１５】
そして、第二車椅子用踏段１８が下端２側の乗降口４から上端３側方向へ水平移動することより、上昇した作動機構８の係合機構１１に変位機構２１が係合して駆動される。これによって、車止め片２０が上方に突出変位して図２２に示すように第二車椅子用踏段１８の踏み板面から突出する。これによって車椅子積載面２３からの車椅子２２の主枠１下端２側方向への移動が阻止される。
【００１６】
そして、図２２に示す状態で、搬送帯６が上昇運転されると第一車椅子用踏段１５が漸増傾斜移動及び一定傾斜移動する。これらの傾斜移動時にも第二車椅子用踏段１８の上昇踏み板１９が第一車椅子用踏段１５の連結腕１７に支持されているので車椅子積載面２３が維持される。そして、図２３に示す状態で車椅子２２が上昇搬送される。
【００１７】
次いで、搬送帯６が移動して傾斜車椅子用踏段１２等が上端３側の乗降口４の水平移動箇所近くにおいて、主枠１上端３側における作動機構８の係合機構１１と傾斜機構１３との係合を介して、傾斜車椅子用踏段１２の傾斜踏み板１４が水平位置に復帰される。また、係合機構１１と進退機構１６の係合を介して第一車椅子用踏段１５の連結腕１７は引退位置に配置されて上昇踏み板１９の支持が解除される。
【００１８】
この状態で搬送帯６が停止して、車椅子２２が車椅子積載面２３から主枠１上端３側の乗降口４に降り立つ。次いで、作動機構８の係合機構１１と変位機構２１の係合を介して第一車椅子用踏段１５の車止め片２０が下降位置に配置される。その後に、昇降機構９が付勢され作動機構８が下降位置に配置される。これにより、車椅子踏段付エスカレーターが通常運転に復帰するようになっている。
【００１９】
【発明が解決しようとする課題】
上記のような従来の車椅子踏段付エスカレーターにおいて、車椅子踏段付エスカレーターを停止させることなく車椅子２２を搭載できるように、車椅子積載面２３が形成される。このため、傾斜車椅子用踏段１２、第一車椅子用踏段１５及び第二車椅子用踏段１８が主枠１端部の乗降口４寄りに配置された作動機構８の上を通過している間に、作動機構８との係合を介してそれぞれ動作して車椅子積載面２３を形成するように構成されている。
【００２０】
したがって、主枠１端部寄りに通常のエスカレーターよりも長い各踏段の水平移動区間が必要となるので、主枠１の全長が長くなり主枠１の両端を支持する建築梁の間隔も増大する。このため、車椅子踏段付エスカレーターの設置が制約されるという問題点があった。また、既設の通常エスカレーターを車椅子踏段付エスカレーターに改造する工事も制約を受けることになる。
【００２１】
この発明は、かかる問題点を解消するためになされたものであり、通常エスカレーターにおける乗降口近くの各踏段の水平移動区間に対応した長さの主枠によって構成でき、かつ車椅子により容易に乗降できる車椅子踏段付エスカレーターを得ることを目的とする。
【００２２】
【課題を解決するための手段】
この発明に係わる車椅子踏段付エスカレーターにおいては、多数の踏段が無端状に連結されて主枠を循環移動する搬送帯と、主枠の下端側へ変位する連結腕が設けられて踏段の 相互間に配置された第一車椅子用踏段と、踏段の相互間に配置されて第一車椅子用踏段の主枠の下端側に配置され、上昇変位する上昇踏み板、突出変位する車止め片及び主枠の下端側へ突出して突出端が対向する主枠下端側の部材に支持される乗込み台が設けられて、上昇変位した上昇踏み板が突出変位した連結腕に支持されて第一車椅子用踏段の踏み板面とにより車椅子積載面を形成する第二車椅子用踏段と、主枠の乗降口寄りに設けられて要時に上昇し連結腕の機構に係合して連結腕を突出位置に変位させる第一作動機構と、この第一作動機構よりも主枠の乗降口寄りに設けられて昇降機構により要時に上昇して上昇踏み板を上昇位置に変位させると共に昇降機構により第一駆動機構が上昇して車止め片の機構に係合して車止め片を突出位置に変位させ、昇降機構により第二駆動機構が上昇して乗込み台の機構に係合して乗込み台を突出位置に変位させる第二作動機構とが設けられる。
【００２３】
また、この発明に係わる車椅子踏段付エスカレーターにおいては、乗込み台が、上昇踏み板に移動自在に保持された基部及びこの基部に水平方向に配置された軸線を介して枢持された突出部によって構成される。
【００２４】
また、この発明に係わる車椅子踏段付エスカレーターにおいては、乗込み台の突出先端に合成樹脂製の当接片が設けられる。
【００２５】
また、この発明に係わる車椅子踏段付エスカレーターにおいては、乗込み台が、上昇踏み板に移動自在に保持された基部及びこの基部に接続されて踏段移動方向に沿う中間部が屈曲して上昇した形状に形成された突出部によって構成される。
【００２６】
また、この発明に係わる車椅子踏段付エスカレーターにおいては、乗込み台の基部及び突出部の枢着箇所を、乗込み台の突出時に上昇位置へ変位させる上昇機構が設けられる。
【００２７】
また、この発明に係わる車椅子踏段付エスカレーターにおいては、乗込み台を、上昇踏み板寄り縁部に乗込み台を兼用した車止め片を枢持した構成とし、上昇踏み板に設けられて第二作動機構の駆動機構により駆動され、前段動作により乗込み台を兼用した車止め片を水平突出位置に配置し、後段動作により乗込み台を兼用した車止め片を上向き位置に配置する二段動作機構が設けられる。
【００２８】
【発明の実施の形態】
実施の形態１．
図１〜図１２は、この発明の実施の形態の一例を示す図で、図１は車椅子踏段付エスカレーターの概念的側面図、図２は図１の車椅子踏段付エスカレーターにおける車椅子搬送状況を示す図１の要部拡大図、図３は図１の車椅子踏段付エスカレーターの主枠下端部における車椅子搬送の第一状況を説明する主枠下端部箇所の拡大図、図４は図３の次の第二状況を説明する図、図５は図４の次の第三状況を説明する図、図６は図５の次の第四状況を説明する図、図７は図６の次の第五状況を説明する図、図８は図７の次の第六状況を説明する図である。
【００２９】
また、図９は図１の車椅子踏段付エスカレーターの主枠上端部における車椅子搬送の第一状況を説明する主枠上端部箇所の拡大図、図１０は図９の次の第二状況を説明する図、図１１は図１０の次の第三状況を説明する図、図１２は図１１の次の第四状況を説明する図である。
【００３０】
図において、１は傾斜して配置されたエスカレーターの主枠、２は主枠１の下端、３は主枠１の上端、４は主枠１の下端２及び上端３にそれぞれ形成された乗降口、５は乗降口４に設けられて主枠１の中間部側に配置された櫛、６は多数の踏段７が無端状に連結されて主枠１を循環移動する搬送帯である。
【００３１】
２４は主枠１内に設けられて主枠２の下端２寄り及び上端３寄りにそれぞれ配置された第一作動機構で、電動機によって駆動される昇降機構２５及び主枠１の長手と平行に配置されたローラチェンからなる係合機構２６によって構成されている。
【００３２】
２７は主枠１内に設けられて第一作動機構２４の主枠１下端側にそれぞれ配置された第二作動機構で、電動機によって駆動される昇降機構２８、主枠１の長手と平行に配置されたローラチェンからなる第一駆動機構２９及び第一駆動機構２９と同様に構成されて平行に配置された第二駆動機構２９１によって構成されている。
【００３３】
１２は搬送帯６の一部をなし踏段７の相互間に配置された傾斜車椅子用踏段で、要時に上昇した第一作動機構２４の係合機構２６に係合し、搬送帯６の移動を介して駆動される傾斜機構１３の変位によって傾斜する傾斜踏み板１４が設けられている。
【００３４】
１５は搬送帯６の一部をなし踏段７の相互間に配置されて傾斜車椅子用踏段１２の主枠１の下端２側に配置された第一車椅子用踏段で、要時に上昇した第一作動機構２４の係合機構２６に係合して、係合機構２６の動作によって駆動される進退機構１６によって主枠１の下端側へ突出変位する連結腕１７が設けられている。
【００３５】
１８は搬送帯６の一部をなし踏段７の相互間に配置されて第一車椅子用踏段１５の主枠１の下端２側に配置された第二車椅子用踏段で、要時に上昇した第二作動機構２７の第一駆動機構２９に係合して、第一駆動機構２９の動作によって作動する伝動機構３０を介して、第二車椅子用踏段１８の基部から上昇する上昇踏み板１９が設けられている。なお、上昇踏み板１９は突出した第一車椅子用踏段１５の連結腕１７に支持されて第一車椅子用踏段１５の傾斜移動により、第一車椅子用踏段１５の踏み板面位置に支持される。
【００３６】
２０は第二車椅子用踏段１８における上昇踏み板１９の主枠１下端２側に設けられた車止め片で、要時に上昇した第二作動機構２７の第一駆動機構２９に係合して、第一駆動機構２９の動作によって作動する第一伝動機構３０を介して上方に突出変位する。２２は車椅子で、主として第一車椅子用踏段１５及び第二車椅子用踏段１８によって形成された車椅子積載面２３に搭載されて搬送される。
【００３７】
３１は第二車椅子用踏段１８の上昇踏み板１９に設けられて主枠１の下端２側へ突出する乗込み台で、第二作動機構２７の第二駆動機構２９１に係合して、第二駆動機構２９１の動作によって作動する第二伝動機構３２を介して駆動される。なお、乗込み台３１は主枠１の下端２側へ突出した状態で、突出端が乗降口４の櫛５又は第二車椅子用踏段１８の主枠１下端２側に配置された一般の踏段７上面、すなわち突出端が対向する静止部材に支持される。
【００３８】
上記のように構成された車椅子踏段付エスカレーターにおいて、通常時には第一作動機構２４の係合機構２６が昇降機構２５により下降位置に配置される。また、第二作動機構２７の第一駆動機構２９及び第二駆動機構２９１が昇降機構２８により下降位置に配置される。また、傾斜車椅子用踏段１２の傾斜踏み板１４は、傾斜機構１３が通常位置に配置されることにより水平位置に保持される。
【００３９】
また、第一車椅子用踏段１５の連結腕１７は引退位置に配置される。そして、第二車椅子用踏段１８の上昇踏み板１９、車止め片２０及び乗込み台３１は、第二車椅子用踏段１８の第一伝動機構３０又は第二伝動機構３２が通常位置に配置されることによって、下降位置又は引退位置にそれぞれ配置される。
【００４０】
このような第一車椅子用踏段１５、第一作動機構２４等の各構成部材の状態により、搬送帯６が主枠１内を循環運転されて踏段７、傾斜車椅子用踏段１２、第一車椅子用踏段１５及び第二車椅子用踏段１８により一般乗客が搬送される。なお、搬送帯６の循環運転により第一車椅子用踏段１５等の全部の踏段は、上昇運転の場合において下端２側の乗降口４から水平移動し、次いで傾斜角度が漸増する漸増傾斜移動する。
【００４１】
次いで、一定傾斜角度による一定傾斜移動して上端３側の乗降口４に近づくと傾斜角度が漸減する漸減傾斜移動する。その後に上端３側の乗降口４へ水平移動して循環移動する。なお、下降運転のときには全部の踏段が上昇運転の場合とは逆の順序で循環移動する。
【００４２】
そして、車椅子２２を上昇搬送する場合、すなわち車椅子２２を下端２側の乗降口４から上端３側の乗降口４へ搬送するときには、車椅子踏段付エスカレーターの車椅子運転スイッチ（図示しない）により車椅子運転に切り換えられる。これによって、昇降機構２５の電動機が付勢されて第一作動機構２４の係合機構２６が上昇位置に配置されて、この状態で搬送帯６が上昇運転される。
【００４３】
これにより、傾斜車椅子用踏段１２が下端２側の乗降口４から上端３側方向へ水平移動することより、第一作動機構２４の上昇して制動された係合機構２６に傾斜機構１３が係合する。そして、この状態で傾斜車椅子用踏段１２が移動するので、傾斜機構１３が駆動されて傾斜踏み板１４が傾斜し、図３に示す状態から図４に示す傾斜位置に配置される。
【００４４】
そして、第一作動機構２４が上昇位置から一旦下降位置に配置される。次いで搬送帯６が再度上昇運転されて第一車椅子用踏段１５が漸増傾斜移動区間に移動し、図４に示すように第二車椅子用踏段１８に対して上昇した段差が生じた状態で第一作動機構２４に対向する。また、第二車椅子用踏段１８は第二作動機構２７と対向する。なお、この状態では第二車椅子用踏段１８の主枠１下端側の踏段７の位置が、櫛５の先端から主枠１長手に沿う長さのほぼ三割が前進した位置に配置される。
【００４５】
そして、この状態で第一作動機構２４が上昇して係合機構２６と、第一車椅子用踏段１５の進退機構１６とが図４に示すように噛み合う。また、図４に示す状態から第二作動機構２７の第一駆動機構２９が上昇動作して、第二車椅子用踏段１８の第一伝動機構３０と噛み合うと共に、上昇踏み板１９が第二車椅子用踏段１８の基台から上方位置に上昇して図５に示すように第一車椅子用踏段１５の踏み面に対応した位置に配置される。
【００４６】
そして、第一作動機構２４の係合機構２６が動作して第一車椅子用踏段１５の進退機構１６が駆動されて連結腕１７が突出して、第二車椅子用踏段１８の上昇した上昇踏み板１９に嵌合する。これによって、図６に示すように第二車椅子用踏段１８の上昇踏み板１９が第一車椅子用踏段１５に支持されて、第一車椅子用踏段１５の踏面と上昇踏み板１９によって車椅子積載面２３が形成される。
【００４７】
次いで、第二作動機構２７の第二駆動機構２９１が動作して第二伝動機構３２が駆動される。これによって、第二車椅子用踏段１８の上昇した上昇踏み板１９から乗込み台３１が主枠１の下端２側へ突出し、突出端が乗降口４の櫛５上面に支持されて図７に示す状態となる。
【００４８】
そして、図７に示す状態において、主枠１の下端２側の乗降口４から車椅子２２が乗込み台３１を経て車椅子積載面２３に乗り込む。その後に第二作動機構２７の第一駆動機構２９が再度動作して第一伝動機構３０が駆動され、この第一伝動機構３０の動作を介して車止め片２０が上昇踏み板１９から上方に突出変位する。これによって、車椅子積載面２３からの車椅子２２の主枠１下端２側方向への移動が阻止される。
【００４９】
そして、車椅子積載面２３への車椅子２２の乗り込みが終了すると、第二作動機構２７の第二駆動機構２９１が逆動作して第二伝動機構３２が逆駆動される。これによって、乗込み台３１が第二車椅子用踏段１８の上昇した上昇踏み板１９に対して、引退した従前の位置に復帰して図８に示す状態となる。そして、第一作動機構２４及び第二作動機構２７が下降位置に配置された後に、搬送帯６が上昇運転されて図２に示す状態で第一車椅子用踏段１５等が漸増傾斜移動及び一定傾斜移動して車椅子２２が上昇搬送される。
【００５０】
なお、この傾斜移動時においても第二車椅子用踏段１８の上昇踏み板１９が第一車椅子用踏段１５の連結腕１７に支持されているので車椅子積載面２３が維持される。次いで、搬送帯６が移動して傾斜車椅子用踏段１２等が上端３側の乗降口４に近づくと、主枠１下端２側の乗降口４から上昇する場合とは、ほぼ逆に傾斜車椅子用踏段１２等が動作する。
【００５１】
すなわち、主枠１上端３側の第一作動機構２４が動作して係合機構２６が上昇する。そして、斜車椅子用踏段１２が主枠１上端３側の第一作動機構２４位置に近づいたときには、詳細な説明を省略するが他の案内具（図示しない）に案内されて、傾斜位置に保持されていた傾斜踏み板１４が水平位置に復帰する。次いで、第一作動機構２４の上昇して制動された係合機構２６に斜車椅子用踏段１２の傾斜機構１３が係合すると、搬送帯６の移動によって傾斜機構１３が駆動されて、傾斜踏み板１４が水平位置に保持されて図９に示す状態となる。
【００５２】
そして、第一作動機構２４の係合機構２６が上昇位置から一旦下降位置に配置される。さらに搬送帯６が上昇運転されて第二車椅子用踏段１８が漸減傾斜移動区間に移動する。そして、図１０に示すように第二車椅子用踏段１８の基部に対して第一車椅子用踏段１５の踏み面が上昇した段差を生じた状態で第一車椅子用踏段１５が第一作動機構２４に対向する。
【００５３】
また、この状態では第二車椅子用踏段１８は第二作動機構２７と対向する。なお、この状態において傾斜踏み板１４の位置が、主枠１長手に沿う長さのほぼ三割が櫛５の先端から後退した位置に配置される。この状態、すなわち図１０に示す状態で搬送帯６が停止して、車椅子２２が車椅子積載面２３から上端３側の乗降口４に下り立つ。
【００５４】
そして、この状態で第一作動機構２４の係合機構２６が上昇して第一車椅子用踏段１５の進退機構１６に図１０に示すように噛み合う。また、図１０に示す状態から、第二作動機構２７の第一駆動機構２９が上昇して、第二車椅子用踏段１８の伝動機構３０と噛み合い、図１１に示す状態となる。
【００５５】
これによって、第二車椅子用踏段１８の上昇踏み板１９が第一駆動機構２９に支持され、また第一作動機構２４が動作して係合機構２６と噛み合った第一車椅子用踏段１５の進退機構１６が駆動されて連結腕１７が引退して、第二車椅子用踏段１８の上昇した上昇踏み板１９との嵌合が解除される。
【００５６】
次いで、第二作動機構２７の第一駆動機構２９が動作して昇降機構２８が下降し、上昇踏み板１９が第二車椅子用踏段１８の基台に対して下降して図１２に示すように第一車椅子用踏段１５の踏み面に対して下降した位置に配置されて保持される。
【００５７】
また、第二作動機構２７の第一駆動機構２９が第二車椅子用踏段１８の伝動機構３０と噛み合った状態で、動作して第二車椅子用踏段１８の伝動機構３０が駆動されて車止め片２０が下降して下降位置に保持されて図１２に示す状態となる。次いで、第一作動機構２４及び第二作動機構２７がそれぞれ下降位置に配置されて、車椅子踏段付エスカレーターが通常運転に復帰する。
【００５８】
なお、以上は車椅子２２を下端２側の乗降口４から上端３側の乗降口４へ搬送する場合について説明した。しかし、車椅子２２を上端３側の乗降口４から下端２側の乗降口４へ搬送するときにも、詳細な説明を省略するが乗込み台３１の動作を除いて第一作動機構２４及び第二作動機構２７等の関連機器を、車椅子２２の上昇搬送とは逆に動作させる。これによって、車椅子２２の上昇搬送時と同様な作用を得ることができる。
【００５９】
以上説明したように、主枠１のいずれかの端部の漸増傾斜移動区間又は漸減傾斜移動区間に、第一車椅子用踏段１５及び第二車椅子用踏段１８のいずれかが移動し、停止した状態で車椅子積載面２３が形成される。したがって、主枠１端部寄りに通常のエスカレーターよりも長い各踏段の水平移動区間を設けることなく、車椅子２２の乗り込みができ、また降り立つことができる。
【００６０】
これにより、主枠１の全長を増したり、主枠１の両端を支持する建築梁の間隔を増大したりすることが不要になる。したがって、車椅子踏段付エスカレーター設置の制約、また既設の通常エスカレーターを車椅子踏段付エスカレーターに改造する場合の制約を解消することができる。
【００６１】
また、主枠１の下端２側において車椅子２２使用者が乗降する場合に、第二車椅子用踏段１８に設けられた乗込み台３１が、上昇変位した上昇踏み板１９と下端２側の乗降口４の櫛５の間に配置される。このため、主枠１の下端２側において車椅子２２使用者が容易に車椅子積載面２３に乗降することができる。また、乗込み台３１の突出端が櫛５、すなわち対向する静止部材に支持される。したがって、乗込み台３１自体及び乗込み台３１に関連した機構の構成を軽薄化することができ製造費を低減することができる。
【００６２】
実施の形態２．
図１３〜図１５は、この発明の他の実施の形態の一例を示す図で、図１３は車椅子踏段付エスカレーターの主枠下端部における車椅子搬送の状況を説明する主枠下端部箇所の拡大図であり前述の図７相当図、図１４は図１３の要部平面図、図１５は図１３の次に乗込み台が引退した状況を説明する図である。なお、図１３〜図１５の他は前述の図１〜図１２の実施の形態と同様に車椅子踏段付エスカレーターが構成されている。図において、図１〜図１２と同符号は相当部分を示す。
【００６３】
３３は第二車椅子用踏段１８の上昇踏み板１９に設けられて主枠１の下端２側へ突出する乗込み台で、第二作動機構２７の第二駆動機構２９１に係合して、第二駆動機構２９１の動作によって作動する第二伝動機構３２を介して駆動される。そして、乗込み台３３は次に述べるように構成されている。すなわち、乗込み台３３は、平面において後述するラックからなる基部３６よりも幅広に形成されて乗降口４の櫛５と対向すると共に、踏段７の移動方向に沿う中間部が屈曲して上昇した形状に形成された突出部３３１、突出部３３１の先端に設けられた合成樹脂製の当接片３４及び突出部３３１の反当接片３４側の基部の両側にピン３５が設けられている。
【００６４】
また、乗込み台３３には、上昇踏み板１９に設けられて主枠１の長手に沿う方向にガイドされ、前端が乗込み台３３の突出部３３１に対向し後端側に第二伝動機構３２と噛み合うラックが形成されてなる基部３６、基部３６の前端側に固定されて両側に張出して形成され両側部にピン３５が移動自在に嵌合されて上端が主枠１中間方向へ傾斜した長穴３７が設けられたブラケット３８、上昇踏み板１９に設けられてブラケット３８の両側に配置された案内板３９及び案内板３９に設けられてピン３５が移動自在に嵌合され長手が主枠１の長手に沿って配置されて主枠１下端２寄りの端部が上方に傾斜して形成された案内溝４０が設けられている。
【００６５】
また、３５１はピン３５並びにピン３５が摺動自在に嵌合された長穴３７及び案内溝４０によって構成された上昇機構である。
なお、乗込み台３３は主枠１の下端２側へ突出した状態で、基部３６にピン３５によって枢持された突出部３３１が乗降口４の櫛５又は第二車椅子用踏段１８の主枠１下端２側に配置された一般の踏段７上面、すなわち突出端が対向する静止部材に支持される。
【００６６】
上記のように構成された車椅子踏段付エスカレーターにおいても、第一車椅子用踏段１５、第二車椅子用踏段１８、乗込み台３３、第一作動機構２４、第二作動機構２７等が設けられて図１〜図１２の実施の形態と同様に車椅子踏段付エスカレーターが構成される。したがって、詳細な説明を省略するが図１３〜図１５の実施の形態においても図１〜図１２の実施の形態と同様な作用が得られる。
【００６７】
また、図１３〜図１５の実施の形態において、乗込み台３３の突出部３３１は基部３６及びブラケット３８に対してピン３５によって枢持されている。そして、図１５に示す状態で、第二作動機構２７の第二駆動機構２９１の動作によって第二伝動機構３２が駆動されると基部３６が乗降口４の櫛５方向に移動する。このときにピン３５が上昇機構３５１の案内溝４０内を摺動して、案内溝４０の主枠１下端２寄りの端部で上方に案内されると共に、ピン３５がブラット３８の長穴３７内を上方に変位する。
【００６８】
これによって、基部３６の移動により乗込み台３３は、主枠１下端２側の踏段７上面を摺動して乗降口４の櫛５に乗り上げ図１３に示すように配置される。そして、乗込み台３３が基部３６等に枢持されているので、主枠１下端２側の踏段７上面又は乗降口４の櫛５、すなわち対向する静止部材によって確実に支持される。
【００６９】
また、乗込み台３３の先端に合成樹脂製の当接片３４が設けられるので、乗込み台３３の突出部３３１が主枠１下端２側の踏段７上面等を摺動するときに、摺動騒音が発生せず乗込み台３３の動作を静穏化することができる。また、乗込み台３３が突出して案内溝４０及び長穴３７とピン３５との係合、すなわち上昇機構３５１により上昇位置に配置されるので、乗込み台３３と上昇した上昇踏み板１９との段差が減少する。また、乗込み台３３の突出部３３１によって乗降口４との間に上昇する方向の斜面が形成される。このため、主枠１の下端２側において車椅子２２使用者が容易に車椅子積載面２３に乗降することができる。
【００７０】
実施の形態３．
図１６〜図１９は、この発明の他の実施の形態の一例を示す図で、図１６は車椅子踏段付エスカレーターの主枠下端部における車椅子搬送の状況を説明する主枠下端部箇所の拡大図であって前述の図６相当図、図１７は図１６の次に乗込み台が突出した状況を説明する図、図１８は図１７の次に車止め片が突出した状況を説明する図、図１９は図１８の要部平面図である。なお、図１６〜図１９の他は前述の図１〜図１２の実施の形態と同様に車椅子踏段付エスカレーターが構成されている。図において、図１〜図１２と同符号は相当部分を示す。
【００７１】
４１は第二車椅子用踏段１８の上昇踏み板１９に配置されて枠状をなし主枠１の下端２側へ突出する乗込み台で、第二作動機構２７の駆動機構２９２に係合して、駆動機構２９２の動作によって作動する伝動機構３２１を介して駆動される。４２はリニアガイド、すなわち案内機構で、上昇踏み板１９に設けられて乗込み台４１の幅方向の両側に係合し乗込み台４１を主枠１の長手方向に摺動自在に案内する。
【００７２】
４３は枠状の乗込み台４１の枠内に配置された車止め片で、反主枠１下端２側が乗込み台４１に枢着され、さらに反主枠１下端２側へ突出した作動腕が形成されて長手が水平方向に配置された作動ピン４４が設けられている。
【００７３】
４５は第二車椅子用踏段１８の上昇踏み板１９に配置されたブラケットで、長手が主枠１の長手方向に沿って配置されて主枠１下端２側に向かって次第に上昇し、上昇端から下方へ屈折状態に湾曲して形成されて作動ピン４４が摺動自在に嵌合された案内溝４６が設けられている。４７はアーム状をなす作動体で、駆動機構２９２に係合して回動する伝動機構３２１の鎖歯車と共に回動するように装備されて、回動端には作動ピン４４を摺動自在に挟持した挟持部が形成されている。
【００７４】
また、４８は二段動作機構で、作動ピン４４、案内溝４６及び作動体４７を主要部として構成されて、乗込み台４１及び乗込み台４１に枢着されて機構的に一体化された車止め片４３を統括的に動作させる。
なお、乗込み台４１は主枠１の下端２側へ突出した状態で、突出端が乗降口４の櫛５又は第二車椅子用踏段１８の主枠１下端２側に配置された一般の踏段７上面、すなわち突出端が対向する静止部材に支持される。
【００７５】
上記のように構成された車椅子踏段付エスカレーターにおいても、第一車椅子用踏段１５、第二車椅子用踏段１８、乗込み台４１、第一作動機構２４、第二作動機構２７等が設けられて図１〜図１２の実施の形態と同様に車椅子踏段付エスカレーターが構成される。したがって、詳細な説明を省略するが図１６〜図１９の実施の形態においても図１〜図１２の実施の形態と同様な作用が得られる。
【００７６】
また、図１６〜図１９の実施の形態において、乗込み台４１は案内機構４２を介して第二車椅子用踏段１８の上昇踏み板１９に主枠１の長手に沿う方向へ摺動自在に係合される。また、乗込み台４１は、枢持した車止め片４３の反主枠１下端２側へ突出した作動腕の作動ピン４４がブラケット４５の案内溝４６に嵌合されることによってブラケット４５に係合される。
【００７７】
また、作動ピン４４は作動体４７の回動端側の挟持部に摺動自在に挟持されている。このような構成において、図１６に示す状態で、第二作動機構２７の駆動機構２９２の動作によって伝動機構３２１が駆動されると、作動体４７が図１６において反時計方向に回動する。そして、作動ピン４４が案内溝４６の直線部の上昇端に到達した位置で作動体４７が停止する。この二段動作機構４８の前段動作により、乗込み台４１及び車止め片４３が主枠１の下端２側へ突出して突出端が乗降口４の櫛５に支持されて図１７に示す状態となる。
【００７８】
この状態で、主枠１の下端２側の乗降口４から車椅子２２使用者が乗込み台４１及び車止め片４３を経て車椅子積載面２３に乗り込む。その後に作動体４７が図１６においてさらに反時計方向に回動し、作動ピン４４が案内溝４６の湾曲部の下端に到達する。この二段動作機構４８の後段動作によって、車止め片４３が乗込み台４１に対して回動する。これにより、図１８に示すように車止め片４３が上向き方向へ突出した位置に配置されて、車椅子積載面２３からの車椅子２２使用者の主枠１の下端２側への移動が阻止される。
【００７９】
以下、前述の図１〜図１２の実施の形態と同様に車椅子２２使用者が搬送される。また、図１６〜図１９の実施の形態において、二段動作機構４８の動作によって作動ピン４４が案内溝４６の直線部の上昇端に到達した状態で、乗込み台４１及び車止め片４３が一体的に配置されて、主枠１の下端２側へ突出し突出端が乗降口４の櫛５に支持される。このため、乗込み台４１と車止め片４３とを兼用することができ、第二作動機構２７の駆動機構２９２及び伝動機構３２１の構成を簡易化することができる。
【００８０】
また、図１６〜図１９の実施の形態を応用して次に述べるように容易に構成することができる。すなわち、乗込み台４１を兼用した車止め片４３として、この車止め片４３を二段動作機構４８の前段動作により、車止め片４３を主枠１の下端２側へ突出して突出端が乗降口４の櫛５に支持された乗込み台として使用する。次いで、二段動作機構４８の後段動作により、車止め片４３を上向き方向へ突出した位置に配置して車止め片の機能を果たす構成とする。このような構成によっても前述の図１６〜図１９の実施の形態と同様な作用を得ることができる。
【００８１】
【発明の効果】
この発明は以上説明したように、多数の踏段が無端状に連結されて主枠を循環移動する搬送帯と、主枠の下端側へ変位する連結腕が設けられて踏段の相互間に配置された第一車椅子用踏段と、踏段の相互間に配置されて第一車椅子用踏段の主枠の下端側に配置され、上昇変位する上昇踏み板、突出変位する車止め片及び主枠の下端側へ突出して突出端が対向する主枠下端側の部材に支持される乗込み台が設けられて、上昇変位した上昇踏み板が突出変位した連結腕に支持されて第一車椅子用踏段の踏み板面とにより車椅子積載面を形成する第二車椅子用踏段と、主枠の乗降口寄りに設けられて要時に上昇し連結腕の機構に係合して連結腕を突出位置に変位させる第一作動機構と、この第一作動機構よりも主枠の乗降口寄りに設けられて昇降機構により要時に上昇して上昇踏み板を上昇位置に変位させると共に昇降機構により第一駆動機構が上昇して車止め片の機構に係合して車止め片を突出位置に変位させ、昇降機構により第二駆動機構が上昇して乗込み台の機構に係合して乗込み台を突出位置に変位させる第二作動機構とを設けたものである。
【００８２】
これによって、主枠のいずれかの端部の漸増傾斜移動区間又は漸減傾斜移動区間に、第一車椅子用踏段及び第二車椅子用踏段のいずれかが移動し、停止した状態で車椅子積載面が形成される。したがって、主枠端部寄りに通常のエスカレーターよりも長い各踏段の水平移動区間を設けることなく、車椅子の乗り込みができ、また降り立つことができる。これにより、主枠の全長を増したり、主枠の両端を支持する建築梁の間隔を増大したりすることが不要になる。したがって、車椅子踏段付エスカレーター設置の制約、また既設の通常エスカレーターを車椅子踏段付エスカレーターに改造する場合の制約を解消する効果がある。また、第一作動機構及び第二作動機構とを設けたことにより、駆動機構及び伝動機構の構成を簡易化することができ製造費を低減する効果がある。
【００８３】
また、主枠の下端側において車椅子使用者が乗降する場合に、第二車椅子用踏段に設けられた乗込み台が、上昇変位した上昇踏み板と下端側の乗降口の櫛等の部材との間に配置される。このため、主枠の下端側において車椅子使用者が容易に車椅子積載面に乗降することができる。また、乗込み台の突出端が櫛等の対向する静止部材に支持される。したがって、乗込み台自体及び乗込み台に関連した機構の構成を軽薄化することができ製造費を低減する効果がある。
【００８４】
また、この発明は以上説明したように、乗込み台を、上昇踏み板に移動自在に保持された基部及びこの基部に水平方向に配置された軸線を介して枢持された突出部によって構成したものである。
【００８５】
これによって、乗込み台の突出動作時に突出部が乗降口の櫛等の対向する静止部材を摺動するので、突出部先端が確実に静止部材に支持される。したがって、乗込み台自体及び乗込み台に関連した機構の構成を軽薄化することができ製造費を低減する効果がある。
【００８６】
また、この発明は以上説明したように、乗込み台の突出先端に合成樹脂製の当接片を設けたものである。
【００８７】
これによって、乗込み台の突出先端が主枠下端側の踏段上面等を摺動するときに、摺動騒音等が発生せず乗込み台の動作を静穏化する効果がある。
【００８８】
また、この発明は以上説明したように、乗込み台を、上昇踏み板に移動自在に保持された基部及びこの基部に接続されて踏段移動方向に沿う中間部が屈曲して上昇した形状に形成された突出部によって構成したものである。
【００８９】
これによって、乗込み台の突出時に突出部の中間部上面が車椅子積載面の上面に接近して配置されて、乗降口との間に上昇する方向の斜面が形成される。したがって、主枠の下端側における車椅子使用者の車椅子積載面への乗降を容易化する効果がある。
【００９０】
また、この発明は以上説明したように、乗込み台の基部及び突出部の枢着箇所を、乗込み台の突出時に上昇位置へ変位させる上昇機構を設けたものである。
【００９１】
これによって、乗込み台の突出部の基部との枢着部が、乗込み台が突出した状態において上方に押し上げられて上昇位置に配置される。これによって、乗込み台と上昇した上昇踏み板との段差が減少する。したがって、主枠の下端側における車椅子使用者の車椅子積載面への乗降を容易化する効果がある。
【００９２】
また、この発明は以上説明したように、乗込み台を、上昇踏み板寄り縁部に乗込み台を兼用した車止め片を枢持した構成とし、上昇踏み板に設けられて第二作動機構の駆動機構により駆動され、前段動作により乗込み台を兼用した車止め片を水平突出位置に配置し、後段動作により乗込み台を兼用した車止め片を上向き位置に配置する二段動作機構を設けたものである。
【００９３】
これによって、二段動作機構の前段動作によって乗込み台を兼用した車止め片が、主枠の下端側へ突出するので車止め片を乗込み台として使用することができる。そして、二段動作機構の後段動作によって乗込み台を兼用した車止め片が上向き位置に配置されて車止め片としての機能を達成する。したがって、第二作動機構の駆動機構及び伝動機構の構成を簡易化することができ製造費を低減する効果がある。
【図面の簡単な説明】
【図１】 この発明の実施の形態１を示す図で、車椅子踏段付エスカレーターの概念的側面図。
【図２】 図１の車椅子踏段付エスカレーターにおける車椅子搬送状況を示す図１の要部拡大図。
【図３】 図１の車椅子踏段付エスカレーターの主枠下端部における車椅子搬送の第一状況を説明する主枠下端部箇所の拡大図。
【図４】 図３の次の第二状況を説明する図。
【図５】 図４の次の第三状況を説明する図。
【図６】 図５の次の第四状況を説明する図。
【図７】 図６の次の第五状況を説明する図。
【図８】 図７の次の第六状況を説明する図。
【図９】 図１の車椅子踏段付エスカレーターの主枠上端部における車椅子搬送の第一状況を説明する主枠上端部箇所の拡大図。
【図１０】 図９の次の第二状況を説明する図。
【図１１】 図１０の次の第三状況を説明する図。
【図１２】 図１１の次の第四状況を説明する図。
【図１３】 この発明の実施の形態２を示す図で、車椅子踏段付エスカレーターの主枠下端部における車椅子搬送の状況を説明する主枠下端部箇所の拡大図であって前述の図７相当図。
【図１４】 図１３の要部平面図。
【図１５】 図１３の次に乗込み台が引退した状況を説明する図。
【図１６】 この発明の実施の形態３を示す図で、車椅子踏段付エスカレーターの主枠下端部における車椅子搬送の状況を説明する主枠下端部箇所の拡大図であって前述の図６相当図。
【図１７】 図１６の次に乗込み台が突出した状況を説明する図。
【図１８】 図１７の次に車止め片が突出した状況を説明する図。
【図１９】 図１８の要部平面図。
【図２０】 従来の車椅子踏段付エスカレーターを示す概念的側面図。
【図２１】 車椅子搬送の第一状況を説明する図２０の下端側乗降口箇所の拡大図。
【図２２】 車椅子搬送の第二状況を説明する図２０の下端側乗降口箇所の拡大図。
【図２３】 車椅子搬送の第三状況を説明する図２０の下端側乗降口箇所の拡大図。
【符号の説明】
１ 主枠、４ 乗降口、６ 搬送帯、７ 踏段、１５ 第一車椅子用踏段、１７ 連結腕、１８ 第二車椅子用踏段、１９ 上昇踏み板、２０ 車止め片、２３ 車椅子積載面、２４ 第一作動機構、２７ 第二作動機構、２８ 昇降機構、２９ 第一駆動機構、２９１ 第二駆動機構、２９２ 駆動機構、３１ 乗込み台、３３ 乗込み台、３３１ 突出部、３４ 当接片、３５１ 上昇機構、３６ 基部、４２ 乗込み台、４３ 車止め片、４８ 二段動作機構。[0001]
BACKGROUND OF THE INVENTION
  The present invention relates to an escalator with a wheelchair step in which a transport belt having a number of steps connected thereto is provided, and a plurality of steps are connected to the transport belt when necessary to form a wheelchair step.
[0002]
[Prior art]
  20 to 23 are diagrams showing a conventional wheelchair stepped escalator disclosed in, for example, Japanese Patent Application Laid-Open No. 7-330273, FIG. 20 is a conceptual side view, and FIG. 21 illustrates a first situation of wheelchair conveyance. 20 is an enlarged view of the lower end side entrance / exit location, FIG. 22 is an enlarged view of the lower end side entrance / exit location of FIG. 20 for explaining the second situation of wheelchair conveyance, and FIG. 23 is an illustration of the third situation of wheelchair conveyance. It is an enlarged view of the lower end side entrance / exit location.
[0003]
  In the figure, 1 is an inclined escalator main frame, 2 is the lower end of the main frame 1, 3 is the upper end of the main frame 1, 4 is the entrance and exit formed at the lower end 2 and the upper end 3 of the main frame 1, respectively. Reference numeral 5 denotes a comb provided at the entrance / exit 4 and disposed on the middle part side of the main frame 1, and 6 denotes a transport belt in which a large number of steps 7 are connected in an endless manner to circulate and move through the main frame 1.
[0004]
  Reference numeral 8 denotes an operating mechanism provided in the main frame 1 and disposed near the lower end 2 and the upper end 3, and is disposed in parallel with the length of the main frame 1 and the elevating mechanism 9 composed of a rack and a pinion and driven by an electric motor. The engagement mechanism 11 is composed of a roller chain 10.
[0005]
  12 is a step for an inclined wheelchair that is part of the transport belt 6 and is disposed between the steps 7, and is engaged by the engagement mechanism 11 of the operating mechanism 8 that is raised when necessary, and is driven by the movement of the transport belt 6. An inclined tread plate 14 that is inclined by the displacement of the inclined mechanism 13 is provided.
[0006]
  Reference numeral 15 denotes a first wheelchair step which is part of the transport belt 6 and is disposed between the steps 7 and is disposed on the lower end 2 side of the main frame 1 of the step 12 for the inclined wheelchair. A connecting arm 17 is provided which is engaged with the engaging mechanism 11 and is moved forward and backward by the movement of the transport band 6 so as to project and be displaced toward the lower end side of the main frame 1.
[0007]
  Reference numeral 18 denotes a second wheelchair step that forms part of the transport belt 6 and is disposed between the steps 7 and is disposed on the lower end 2 side of the main frame 1 of the first wheelchair step 15. Ascending movement of the first wheelchair step 15 supported by the connecting arm 17 of the step 15 rises from the base of the second wheelchair step 18 and is supported at the position of the stepping plate surface of the first wheelchair step 15. Is provided.
[0008]
  Reference numeral 20 denotes a vehicle stopper piece provided on the lower end 2 side of the main frame 1 of the second wheelchair step 18, which is driven by the movement of the transport belt 6 by engaging with the engaging mechanism 11 of the operating mechanism 8 raised when necessary. The displacement mechanism 21 projects and displaces upward. A wheelchair 22 is mounted on a wheelchair loading surface 23 formed mainly by the first wheelchair step 15 and the second wheelchair step 18 and is transported.
[0009]
  The conventional escalator with a wheelchair step is configured as described above. Normally, the lifting mechanism 9 of the operating mechanism 8 is in the lowered position, the inclined stepping plate 14 of the inclined wheelchair step 12 is in the horizontal position, and the first wheelchair step 15 The connecting arm 17 is disposed in the retracted position, and the ascending tread plate 19 and the vehicle stopper piece 20 of the second wheelchair step 18 are disposed in the descending position.
[0010]
  In this state, the transport belt 6 is circulated within the main frame 1, and general passengers are transported by the steps 7, the step 12 for the tilt wheelchair, the step 15 for the first wheelchair, and the step 18 for the second wheelchair. It should be noted that all steps such as the first wheelchair step 15 are moved horizontally from the entrance 4 on the lower end 2 side in the ascending operation, and then gradually increased in inclination with an increasing inclination angle.
[0011]
  Next, when the vehicle moves toward the entrance / exit 4 on the upper end 3 side by moving at a constant inclination with a constant inclination angle, the inclination angle gradually decreases and the inclination angle gradually decreases. Thereafter, it moves horizontally to the entrance 4 on the upper end 3 side and circulates. Note that during the descending operation, all the steps circulate in the reverse order to that in the ascending operation.
[0012]
  When the wheelchair 22 is transported up, that is, when the wheelchair 22 is transported from the entrance 4 on the lower end 2 side to the entrance 4 on the upper end 3 side, the wheelchair operation switch (not shown) of the escalator with a wheelchair step is used for wheelchair operation. Can be switched. As a result, the elevating mechanism 9 of the operating mechanism 8 is urged, and the engaging mechanism 11 is arranged at the raised position. Next, the transport belt 6 is raised.
[0013]
  The inclined wheelchair step 12 moves horizontally from the entrance 4 on the lower end 2 side toward the upper end 3 side, whereby the inclination mechanism 13 is engaged with and driven by the engaging mechanism 11 of the raised operating mechanism 8. As a result, the inclined tread plate 14 is displaced and inclined as shown in FIG.
[0014]
  Further, the first wheelchair step 15 moves horizontally from the entrance 4 on the lower end 2 side toward the upper end 3 side, whereby the advance / retreat mechanism 16 is engaged with and driven by the engagement mechanism 11 of the raised operating mechanism 8. . As a result, the connecting arm 17 protrudes and displaces toward the lower end side of the main frame 1 to support the rising tread plate 19 as shown in FIG. In this state, that is, in the state shown in FIG. 21, the wheelchair 22 is mounted on the wheelchair loading surface 23 formed by the first wheelchair step 15 and the second wheelchair step 18 from the entrance 4 on the lower end 2 side.
[0015]
  Then, the second wheelchair step 18 moves horizontally from the entrance 4 on the lower end 2 side toward the upper end 3 side, so that the displacement mechanism 21 is engaged with and driven by the engagement mechanism 11 of the raised operating mechanism 8. . As a result, the vehicle stopper piece 20 protrudes and displaces upward and protrudes from the tread plate surface of the second wheelchair step 18 as shown in FIG. Accordingly, the movement of the wheelchair 22 from the wheelchair loading surface 23 in the direction toward the lower end 2 of the main frame 1 is prevented.
[0016]
  Then, in the state shown in FIG. 22, when the transport belt 6 is driven up, the first wheelchair step 15 gradually increases and moves at a constant inclination. The wheelchair loading surface 23 is maintained because the rising foot 19 of the second wheelchair step 18 is supported by the connecting arm 17 of the first wheelchair step 15 during these tilt movements. Then, the wheelchair 22 is lifted and conveyed in the state shown in FIG.
[0017]
  Next, when the transport belt 6 moves so that the inclined wheelchair step 12 and the like are close to the horizontal movement position of the entrance 4 on the upper end 3 side, the engagement mechanism 11 and the inclination mechanism 13 of the operating mechanism 8 on the upper end 3 side of the main frame 1 Through the engagement, the inclined stepping plate 14 of the inclined wheelchair step 12 is returned to the horizontal position. Further, the coupling arm 17 of the first wheelchair step 15 is disposed at the retracted position through the engagement of the engagement mechanism 11 and the advance / retreat mechanism 16, and the support of the rising step plate 19 is released.
[0018]
  In this state, the transport belt 6 stops and the wheelchair 22 descends from the wheelchair loading surface 23 to the entrance / exit 4 on the upper end 3 side of the main frame 1. Next, the vehicle stopper piece 20 of the first wheelchair step 15 is disposed at the lowered position through the engagement of the engagement mechanism 11 of the operation mechanism 8 and the displacement mechanism 21. Thereafter, the elevating mechanism 9 is urged, and the operating mechanism 8 is disposed at the lowered position. Thereby, the escalator with a wheelchair step returns to normal driving | operation.
[0019]
[Problems to be solved by the invention]
  In the conventional escalator with a wheelchair step as described above, the wheelchair loading surface 23 is formed so that the wheelchair 22 can be mounted without stopping the escalator with a wheelchair step. For this reason, while the inclined wheelchair step 12, the first wheelchair step 15 and the second wheelchair step 18 are passing over the operating mechanism 8 disposed near the entrance 4 at the end of the main frame 1, The wheelchair loading surface 23 is formed by operating through the engagement with the operation mechanism 8.
[0020]
  Therefore, since the horizontal movement section of each step longer than a normal escalator is required near the end of the main frame 1, the overall length of the main frame 1 is increased, and the interval between the building beams supporting both ends of the main frame 1 is increased. . For this reason, there existed a problem that installation of the escalator with a wheelchair step was restrict | limited. In addition, the work of remodeling an existing normal escalator to an escalator with a wheelchair step is also restricted.
[0021]
  The present invention has been made to solve such a problem, and can be constituted by a main frame having a length corresponding to a horizontal movement section of each step near the entrance / exit in a normal escalator, and can be easily taken on / off by a wheelchair. The aim is to obtain an escalator with a wheelchair step.
[0022]
[Means for Solving the Problems]
  In the escalator with a wheelchair step according to the present invention, a transport belt in which a number of steps are connected endlessly and circulates and moves through the main frame.And a connecting arm that displaces toward the lower end of the main frame. The first wheelchair step disposed between the steps, the ascending tread plate that is disposed between the steps and disposed on the lower end side of the main frame of the first wheelchair step, the vehicle stop piece that protrudes and displaces, and the main frame A boarding platform that is supported by a member on the lower end side of the main frame that protrudes toward the lower end side of the main frame and that faces the protruding end is provided. A second wheelchair step that forms a wheelchair loading surface with the tread plate surface, and a first that is provided near the entrance of the main frame and rises when necessary to engage the mechanism of the connecting arm and displace the connecting arm to the protruding position An operating mechanism, which is provided closer to the entrance / exit of the main frame than the first operating mechanism, is lifted when necessary by the lifting mechanism to displace the rising stepping plate to the raised position, and the first driving mechanism is lifted by the lifting mechanism to stop the car Engage with the mechanism of the piece to protrude the car stopper piece It is displaced in the location, and a second actuating mechanism second drive mechanism for displacing the base boarding engages the rises and boarding stand mechanism projecting position is provided by the lifting mechanism.
[0023]
  Further, in the escalator with a wheelchair step according to the present invention, the boarding base is configured by a base portion that is movably held by the rising stepping plate and a protrusion portion that is pivotally supported by an axis line that is horizontally disposed on the base portion. Is done.
[0024]
  Moreover, in the escalator with a wheelchair step concerning this invention, the contact piece made from a synthetic resin is provided in the protrusion front-end | tip of a boarding board.
[0025]
  Further, in the escalator with a wheelchair step according to the present invention, the boarding base has a base portion that is movably held by the rising step plate and an intermediate portion that is connected to the base portion and that is along the step moving direction is bent and raised. It is comprised by the formed protrusion part.
[0026]
  Moreover, in the escalator with a wheelchair step concerning this invention, the raising mechanism which displaces the base part of a boarding base and the pivot attachment location of a protrusion part to a raise position at the time of a boarding board protrusion is provided.
[0027]
  Further, in the escalator with a wheelchair step according to the present invention, the boarding platform is configured such that a vehicle stopper piece that also serves as the boarding platform is pivoted at the edge near the climbing footboard, and is provided on the lifting footboard and is provided with the second operating mechanism. A two-stage operation mechanism is provided that is driven by the drive mechanism and has a vehicle stopper piece that also serves as a boarding base by a front-stage operation at a horizontally protruding position, and a vehicle stopper piece that also serves as a boarding board by a rear-stage operation.
[0028]
DETAILED DESCRIPTION OF THE INVENTION
Embodiment 1 FIG.
  FIGS. 1-12 is a figure which shows an example of embodiment of this invention, FIG. 1 is a conceptual side view of the escalator with a wheelchair step, FIG. 2 is a figure which shows the wheelchair conveyance condition in the escalator with a wheelchair step of FIG. FIG. 3 is an enlarged view of a main frame lower end portion for explaining the first situation of wheelchair conveyance at the lower end portion of the main frame of the escalator with a wheelchair step in FIG. 1, and FIG. 4 is a view next to FIG. FIG. 5 is a diagram for explaining the third situation after FIG. 4, FIG. 6 is a diagram for explaining the fourth situation after FIG. 5, and FIG. 7 is a fifth situation after FIG. FIG. 8 is a diagram for explaining a sixth situation after FIG.
[0029]
  9 is an enlarged view of the main frame upper end portion explaining the first situation of wheelchair conveyance at the upper end of the main frame of the escalator with a wheelchair step in FIG. 1, and FIG. 10 explains the second situation next to FIG. 11 is a diagram for explaining the third situation after FIG. 10, and FIG. 12 is a diagram for explaining the fourth situation after FIG.
[0030]
  In the figure, 1 is an inclined escalator main frame, 2 is the lower end of the main frame 1, 3 is the upper end of the main frame 1, 4 is the entrance and exit formed at the lower end 2 and the upper end 3 of the main frame 1, respectively. Reference numeral 5 denotes a comb provided at the entrance / exit 4 and arranged on the intermediate portion side of the main frame 1, and 6 denotes a transport belt in which a large number of steps 7 are connected endlessly to circulate and move through the main frame 1.
[0031]
  Reference numeral 24 denotes a first operating mechanism provided in the main frame 1 and disposed near the lower end 2 and the upper end 3 of the main frame 2, and is disposed in parallel with the elevating mechanism 25 driven by the electric motor and the length of the main frame 1. It is comprised by the engaging mechanism 26 which consists of a roller chain.
[0032]
  Reference numeral 27 denotes a second operation mechanism provided in the main frame 1 and disposed on the lower end side of the main frame 1 of the first operation mechanism 24. The elevating mechanism 28 driven by an electric motor is disposed in parallel with the length of the main frame 1. The first drive mechanism 29 and the second drive mechanism 291 are configured in the same manner as the first drive mechanism 29 and are arranged in parallel.
[0033]
  Reference numeral 12 denotes a step for an inclined wheelchair that is a part of the transport belt 6 and is disposed between the steps 7. The step 12 is engaged with the engagement mechanism 26 of the first operating mechanism 24 that is raised when necessary to move the transport belt 6. An inclined tread plate 14 is provided that is inclined by displacement of the inclination mechanism 13 that is driven through.
[0034]
  Reference numeral 15 denotes a first wheelchair step that is part of the transport belt 6 and is disposed between the steps 7 and is disposed on the lower end 2 side of the main frame 1 of the step 12 for the inclined wheelchair. A connecting arm 17 is provided that is engaged with the engagement mechanism 26 of the mechanism 24 and is projected and displaced toward the lower end side of the main frame 1 by the advance / retreat mechanism 16 driven by the operation of the engagement mechanism 26.
[0035]
  Reference numeral 18 denotes a second wheelchair step which is part of the transport belt 6 and is disposed between the steps 7 and is disposed on the lower end 2 side of the main frame 1 of the first wheelchair step 15. A rising tread plate 19 that is engaged with the first drive mechanism 29 of the actuating mechanism 27 and is raised from the base of the second wheelchair step 18 is provided via a transmission mechanism 30 that is actuated by the operation of the first drive mechanism 29. Yes. The raised step board 19 is supported by the protruding connection arm 17 of the first wheelchair step 15 and supported by the inclined position of the first wheelchair step 15 at the position of the step board surface of the first wheelchair step 15.
[0036]
  Reference numeral 20 denotes a vehicle stopper provided on the lower end 2 side of the main frame 1 of the ascending tread plate 19 in the second wheelchair step 18, which engages with the first drive mechanism 29 of the second operating mechanism 27 that is raised when necessary, The first drive mechanism 30 that is activated by the operation of the drive mechanism 29 projects and displaces upward. A wheelchair 22 is mounted on a wheelchair loading surface 23 formed mainly by the first wheelchair step 15 and the second wheelchair step 18 and is transported.
[0037]
  31 is a boarding table provided on the rising foot plate 19 of the step 18 for the second wheelchair and projecting toward the lower end 2 side of the main frame 1, engaging with the second drive mechanism 291 of the second operation mechanism 27, It is driven via the second transmission mechanism 32 that is activated by the operation of the drive mechanism 291. The boarding base 31 protrudes toward the lower end 2 side of the main frame 1, and the protruding end is a general step disposed at the lower end 2 side of the main frame 1 of the comb 5 of the entrance 4 or the second wheelchair step 18. 7. The upper surface, that is, the projecting end is supported by the opposing stationary member.
[0038]
  In the escalator with a wheelchair step configured as described above, the engagement mechanism 26 of the first operating mechanism 24 is normally arranged at the lowered position by the lifting mechanism 25. Further, the first drive mechanism 29 and the second drive mechanism 291 of the second operation mechanism 27 are disposed at the lowered position by the elevating mechanism 28. In addition, the inclined tread plate 14 of the inclined wheelchair step 12 is held in a horizontal position by the inclination mechanism 13 being disposed at the normal position.
[0039]
  In addition, the connecting arm 17 of the first wheelchair step 15 is disposed at the retracted position. And as for the rising tread board 19, the vehicle stop piece 20, and the boarding base 31 of the step 18 for 2nd wheelchairs, the 1st transmission mechanism 30 or the 2nd transmission mechanism 32 of the step 18 for 2nd wheelchairs is arrange | positioned in a normal position. , Respectively, in the lowered position or the retracted position.
[0040]
  Depending on the state of each constituent member such as the first wheelchair step 15 and the first operating mechanism 24, the transport belt 6 is circulated in the main frame 1 to cause the step 7, the inclined wheelchair step 12, and the first wheelchair. General passengers are transported by the step 15 and the second wheelchair step 18. It should be noted that all steps such as the first wheelchair step 15 are moved horizontally from the entrance 4 on the lower end 2 side in the ascending operation, and then gradually increased in inclination with increasing inclination angle.
[0041]
  Next, when the vehicle moves toward the entrance / exit 4 on the upper end 3 side by moving at a constant inclination with a constant inclination angle, the inclination angle gradually decreases and the inclination angle gradually decreases. Thereafter, it moves horizontally to the entrance 4 on the upper end 3 side and circulates. Note that during the descending operation, all the steps circulate in the reverse order to that in the ascending operation.
[0042]
  When the wheelchair 22 is transported up, that is, when the wheelchair 22 is transported from the entrance 4 on the lower end 2 side to the entrance 4 on the upper end 3 side, the wheelchair operation switch (not shown) of the escalator with a wheelchair step is used for wheelchair operation. Can be switched. As a result, the electric motor of the elevating mechanism 25 is energized and the engaging mechanism 26 of the first operating mechanism 24 is arranged at the ascending position, and the transport belt 6 is operated to rise in this state.
[0043]
  As a result, the inclined wheelchair step 12 moves horizontally from the entrance 4 on the lower end 2 side toward the upper end 3 side, whereby the inclination mechanism 13 is engaged with the engagement mechanism 26 that is raised and braked by the first operating mechanism 24. Match. In this state, the tilt wheelchair step 12 moves, so that the tilt mechanism 13 is driven and the tilt stepping plate 14 tilts, and is disposed at the tilt position shown in FIG. 4 from the state shown in FIG.
[0044]
  And the 1st action mechanism 24 is once arranged from a raise position to a descent position. Next, the transport belt 6 is raised again, and the first wheelchair step 15 moves to the gradually increasing slope movement section, and the first step is performed in the state where the raised step is generated with respect to the second wheelchair step 18 as shown in FIG. Opposite to the operating mechanism 24. The second wheelchair step 18 faces the second operating mechanism 27. In this state, the position of the step 7 on the lower end side of the main frame 1 of the second wheelchair step 18 is arranged at a position where approximately 30% of the length along the length of the main frame 1 is advanced from the tip of the comb 5.
[0045]
  Then, in this state, the first operating mechanism 24 rises and the engagement mechanism 26 and the advance / retreat mechanism 16 of the first wheelchair step 15 are engaged as shown in FIG. In addition, the first drive mechanism 29 of the second actuation mechanism 27 is lifted from the state shown in FIG. 4 and meshes with the first transmission mechanism 30 of the second wheelchair step 18, and the lift step plate 19 is moved to the second wheelchair step. Ascending to the upper position from the 18 bases and arranged at a position corresponding to the tread surface of the first wheelchair step 15 as shown in FIG.
[0046]
  Then, the engagement mechanism 26 of the first operating mechanism 24 is operated to drive the advance / retreat mechanism 16 of the first wheelchair step 15 so that the connecting arm 17 protrudes, and the second wheelchair step 18 rises to the raised step plate 19. Mating. As a result, as shown in FIG. 6, the rising step plate 19 of the second wheelchair step 18 is supported by the first wheelchair step 15, and the wheelchair loading surface 23 is formed by the step surface of the first wheelchair step 15 and the rising step plate 19. Is done.
[0047]
  Next, the second drive mechanism 291 of the second operation mechanism 27 is operated to drive the second transmission mechanism 32. As a result, the boarding base 31 protrudes from the raised step board 19 of the second wheelchair step 18 to the lower end 2 side of the main frame 1, and the protruding end is supported on the upper surface of the comb 5 of the entrance / exit 4, as shown in FIG. 7. It becomes.
[0048]
  In the state shown in FIG. 7, the wheelchair 22 enters the wheelchair loading surface 23 through the boarding platform 31 from the entrance 4 on the lower end 2 side of the main frame 1. Thereafter, the first drive mechanism 29 of the second operating mechanism 27 is operated again to drive the first transmission mechanism 30, and the vehicle stopper piece 20 is projected and displaced upward from the rising tread plate 19 through the operation of the first transmission mechanism 30. To do. Thereby, the movement of the wheelchair 22 from the wheelchair loading surface 23 in the direction of the main frame 1 lower end 2 side is prevented.
[0049]
  Then, when the wheelchair 22 is placed on the wheelchair loading surface 23, the second drive mechanism 291 of the second operation mechanism 27 is reversely operated, and the second transmission mechanism 32 is reversely driven. As a result, the boarding platform 31 returns to the previous position where it has been retreated with respect to the ascending tread plate 19 where the second wheelchair step 18 is raised, and the state shown in FIG. 8 is obtained. Then, after the first operating mechanism 24 and the second operating mechanism 27 are disposed at the lowered position, the transport belt 6 is operated to rise, and the first wheelchair step 15 and the like are gradually inclined and moved at a constant inclination in the state shown in FIG. The wheelchair 22 is moved up and conveyed.
[0050]
  Note that the wheelchair loading surface 23 is maintained even during this tilting movement because the ascending tread 19 of the second wheelchair step 18 is supported by the connecting arm 17 of the first wheelchair step 15. Next, when the transport belt 6 moves and the step 12 for the inclined wheelchair approaches the entrance / exit 4 on the upper end 3 side, the case for the inclined wheelchair is almost opposite to the case where it rises from the entrance / exit 4 on the lower end 2 side of the main frame 1. The step 12 and the like operate.
[0051]
  That is, the first operating mechanism 24 on the upper end 3 side of the main frame 1 operates to raise the engaging mechanism 26. When the tilt wheelchair step 12 approaches the position of the first operating mechanism 24 on the upper end 3 side of the main frame 1, it will be guided to another guide (not shown) and held in the inclined position, although detailed description will be omitted. The inclined tread plate 14 that has been returned returns to the horizontal position. Next, when the tilt mechanism 13 of the lean wheelchair step 12 is engaged with the engagement mechanism 26 that is raised and braked by the first operating mechanism 24, the tilt mechanism 13 is driven by the movement of the transport belt 6, and the tilt foot plate 14. Is held in the horizontal position, and the state shown in FIG. 9 is obtained.
[0052]
  Then, the engagement mechanism 26 of the first operating mechanism 24 is once arranged from the raised position to the lowered position. Further, the transport belt 6 is raised and the second wheelchair step 18 moves to the gradually decreasing inclination moving section. Then, as shown in FIG. 10, the first wheelchair step 15 is moved to the first operating mechanism 24 in a state where the stepped surface of the first wheelchair step 15 is raised with respect to the base of the second wheelchair step 18. opposite.
[0053]
  In this state, the second wheelchair step 18 faces the second operation mechanism 27. In this state, the inclined tread plate 14 is disposed at a position where approximately 30% of the length along the length of the main frame 1 is retracted from the tip of the comb 5. In this state, that is, in the state shown in FIG. 10, the transport belt 6 stops, and the wheelchair 22 descends from the wheelchair loading surface 23 to the entrance / exit 4 on the upper end 3 side.
[0054]
  In this state, the engagement mechanism 26 of the first operating mechanism 24 is raised and meshed with the advance / retreat mechanism 16 of the first wheelchair step 15 as shown in FIG. Further, from the state shown in FIG. 10, the first drive mechanism 29 of the second operating mechanism 27 is raised and meshed with the transmission mechanism 30 of the second wheelchair step 18, resulting in the state shown in FIG.
[0055]
  As a result, the ascending tread plate 19 of the second wheelchair step 18 is supported by the first drive mechanism 29, and the first operating mechanism 24 operates to engage the engagement mechanism 26 so that the advance / retreat mechanism 16 of the first wheelchair step 15 is engaged. And the connecting arm 17 is retreated, and the fitting with the raised stepping plate 19 of the second wheelchair step 18 is released.
[0056]
  Next, the first drive mechanism 29 of the second operating mechanism 27 is operated to lower the lifting mechanism 28, and the rising tread plate 19 is lowered with respect to the base of the second wheelchair step 18, as shown in FIG. It is arranged and held at a position lowered with respect to the tread surface of the single wheelchair step 15.
[0057]
  Further, the first drive mechanism 29 of the second operation mechanism 27 is operated in a state where the first drive mechanism 29 is engaged with the transmission mechanism 30 of the second wheelchair step 18, so that the transmission mechanism 30 of the second wheelchair step 18 is driven and the vehicle stopper piece 20 is driven. Is lowered and held at the lowered position, and the state shown in FIG. 12 is obtained. Next, the first operating mechanism 24 and the second operating mechanism 27 are arranged at the lowered positions, and the escalator with a wheelchair step returns to normal operation.
[0058]
  The case where the wheelchair 22 is transported from the entrance 4 on the lower end 2 side to the entrance 4 on the upper end 3 side has been described above. However, when the wheelchair 22 is transported from the entrance / exit 4 on the upper end 3 side to the entrance / exit 4 on the lower end 2 side, the detailed description is omitted, but the operation of the board 31 and the first operating mechanism 24 and the second The related devices such as the second operation mechanism 27 are operated in reverse to the ascending conveyance of the wheelchair 22. As a result, the same effect as when the wheelchair 22 is lifted and conveyed can be obtained.
[0059]
  As described above, one of the first wheelchair step 15 and the second wheelchair step 18 has moved to a gradually increasing inclination moving section or gradually decreasing inclination moving section of either end of the main frame 1 and stopped. Thus, the wheelchair loading surface 23 is formed. Therefore, the wheelchair 22 can be boarded and lowered without providing a horizontal movement section of each step longer than a normal escalator near the end of the main frame 1.
[0060]
  Thereby, it becomes unnecessary to increase the total length of the main frame 1 or increase the interval between building beams that support both ends of the main frame 1. Therefore, it is possible to eliminate restrictions on installing an escalator with a wheelchair step, and restrictions on remodeling an existing normal escalator to an escalator with a wheelchair step.
[0061]
  Further, when the wheelchair 22 user gets on and off at the lower end 2 side of the main frame 1, the board 31 provided on the second wheelchair step 18 is moved up and displaced by the ascending tread plate 19 and the lower end 2 side entrance 4. Between the combs 5. For this reason, the user of the wheelchair 22 can easily get on and off the wheelchair loading surface 23 on the lower end 2 side of the main frame 1. Further, the protruding end of the boarding table 31 is supported by the comb 5, that is, the stationary member facing it. Therefore, the boarding board 31 itself and the structure of the mechanism related to the boarding board 31 can be reduced in thickness, and the manufacturing cost can be reduced.
[0062]
Embodiment 2. FIG.
  FIGS. 13-15 is a figure which shows an example of other embodiment of this invention, and FIG. 13 is an enlarged view of the main-frame lower end part explaining the condition of the wheelchair conveyance in the main-frame lower end part of the escalator with a wheelchair step. FIG. 14 is a plan view of the main part of FIG. 13, and FIG. 15 is a diagram for explaining a situation in which the boarding board is retracted after FIG. 13. In addition, the escalator with a wheelchair step is comprised except the FIGS. 13-15 similarly to embodiment of the above-mentioned FIGS. In the figure, the same reference numerals as those in FIGS.
[0063]
  Reference numeral 33 denotes a boarding table provided on the rising foot plate 19 of the second wheelchair step 18 and protruding toward the lower end 2 side of the main frame 1, which engages with the second drive mechanism 291 of the second operation mechanism 27, and It is driven via the second transmission mechanism 32 that is activated by the operation of the drive mechanism 291. The boarding platform 33 is configured as described below. That is, the boarding platform 33 is formed wider than a base portion 36 made of a rack, which will be described later, on the plane and faces the comb 5 of the entrance / exit 4, and the intermediate portion along the moving direction of the step 7 is bent and raised. Pins 35 are provided on both sides of the projecting portion 331 formed in a shape, a synthetic resin abutting piece 34 provided at the tip of the projecting portion 331, and a base portion of the projecting portion 331 on the side opposite to the abutting piece 34.
[0064]
  Further, the boarding platform 33 is provided on the rising foot plate 19 and guided in the direction along the length of the main frame 1, the front end faces the protruding portion 331 of the boarding platform 33, and the second transmission mechanism 32 on the rear end side. A base 36 formed with a rack that meshes with the base 36, a length that is fixed to the front end side of the base portion 36 and protrudes on both sides, is fitted with pins 35 movably on both sides, and the upper end is inclined in the middle direction of the main frame 1 A bracket 38 provided with a hole 37, a guide plate 39 provided on the both sides of the bracket 38 provided on the rising step board 19, and a pin 35 provided on the guide plate 39 so that the pin 35 is movably fitted and the longitudinal length of the main frame 1 A guide groove 40 is provided which is arranged along the longitudinal direction and has an end near the lower end 2 of the main frame 1 inclined upward.HaveThe
[0065]
  Reference numeral 351 denotes a lifting mechanism constituted by the pin 35, the long hole 37 into which the pin 35 is slidably fitted, and the guide groove 40.
  In addition, the boarding base 33 protrudes to the lower end 2 side of the main frame 1, and the protruding part 331 pivoted by the pin 35 to the base part 36 is the main frame of the comb 5 of the entrance / exit 4 or the second wheelchair step 18. 1 The upper surface of a general step 7 arranged on the lower end 2 side, that is, the protruding end is supported by a stationary member that faces.
[0066]
  In the escalator with a wheelchair step configured as described above, the first wheelchair step 15, the second wheelchair step 18, the boarding platform 33, the first operation mechanism 24, the second operation mechanism 27, etc. are provided. The escalator with a wheelchair step is comprised like the embodiment of FIGS. Therefore, although the detailed description is omitted, the same operation as the embodiment of FIGS. 1 to 12 can be obtained also in the embodiment of FIGS.
[0067]
  13 to 15, the protruding portion 331 of the boarding base 33 is pivotally supported by the pin 35 with respect to the base portion 36 and the bracket 38. In the state shown in FIG. 15, when the second transmission mechanism 32 is driven by the operation of the second drive mechanism 291 of the second operation mechanism 27, the base portion 36 moves in the direction of the comb 5 of the entrance / exit 4. At this time, the pin 35 slides in the guide groove 40 of the raising mechanism 351 and is guided upward at an end portion of the guide groove 40 near the lower end 2 of the main frame 1, and the pin 35 is a long hole 37 of the brat 38. The inside is displaced upward.
[0068]
  As a result, the boarding platform 33 slides on the upper surface of the step 7 on the side of the lower end 2 of the main frame 1 and moves onto the comb 5 of the entrance 4 as shown in FIG. And since the boarding base 33 is pivotally supported by the base part 36 grade | etc., It is reliably supported by the comb 5 of the step 7 upper surface of the main frame 1 lower end 2 side or the entrance / exit 4, ie, the opposing stationary member.
[0069]
  Further, since the contact piece 34 made of synthetic resin is provided at the tip of the boarding platform 33, when the protruding portion 331 of the boarding platform 33 slides on the upper surface of the step 7 on the lower end 2 side of the main frame 1 or the like, the sliding plate 33 slides. No movement noise is generated, and the operation of the boarding platform 33 can be made quiet. Further, since the boarding base 33 protrudes and is engaged with the guide groove 40 and the long hole 37 and the pin 35, that is, is placed at the raised position by the raising mechanism 351, the step between the boarding base 33 and the raised stepping plate 19 raised. Decrease. In addition, a slope in the direction of rising from the entrance / exit 4 is formed by the protrusion 331 of the boarding platform 33. For this reason, the user of the wheelchair 22 can easily get on and off the wheelchair loading surface 23 on the lower end 2 side of the main frame 1.
[0070]
Embodiment 3 FIG.
  FIGS. 16-19 is a figure which shows an example of other embodiment of this invention, FIG. 16 is an enlarged view of the main frame lower end part explaining the condition of wheelchair conveyance in the main frame lower end part of the escalator with a wheelchair step FIG. 17 is a diagram for explaining the situation in which the boarding board protrudes after FIG. 16, and FIG. 18 is a diagram for explaining the situation in which the vehicle stopper piece projects after FIG. 19 is a plan view of the main part of FIG. In addition, the escalator with a wheelchair step is comprised similarly to embodiment of above-mentioned FIGS. 1-12 other than FIGS. In the figure, the same reference numerals as those in FIGS.
[0071]
  41 is a boarding board which is arranged on the rising foot plate 19 of the second wheelchair step 18 and has a frame shape and protrudes toward the lower end 2 side of the main frame 1, and is engaged with the drive mechanism 292 of the second operation mechanism 27, It is driven via a transmission mechanism 321 that is activated by the operation of the drive mechanism 292. Reference numeral 42 denotes a linear guide, that is, a guide mechanism, which is provided on the ascending tread plate 19 and engages both sides in the width direction of the boarding table 41 to guide the boarding table 41 slidably in the longitudinal direction of the main frame 1.
[0072]
  Reference numeral 43 denotes a vehicle stop piece disposed in the frame of the frame-shaped boarding base 41. The lower end 2 side of the anti-main frame 1 is pivotally attached to the boarding base 41, and an operating arm protruding further toward the lower end 2 side of the anti-main frame 1 is provided. An operating pin 44 that is formed and has a longitudinally arranged horizontal direction is provided.
[0073]
  Reference numeral 45 denotes a bracket disposed on the rising foot plate 19 of the second wheelchair step 18, the length of which is disposed along the longitudinal direction of the main frame 1, and gradually rises toward the lower end 2 side of the main frame 1. A guide groove 46 is provided which is bent in a bent state and into which the operating pin 44 is slidably fitted. Reference numeral 47 denotes an arm-like operating body, which is equipped to rotate together with a chain gear of a transmission mechanism 321 that engages and rotates with the drive mechanism 292, and an operating pin 44 is slidable at the rotating end. A sandwiched portion is formed.
[0074]
  Reference numeral 48 denotes a two-stage operation mechanism, which is composed mainly of the operation pin 44, the guide groove 46, and the operation body 47, and is pivotally attached to the board 41 and the board 41 to be mechanically integrated. The vehicle stop piece 43 is operated in an integrated manner.
  In addition, the boarding base 41 is in a state where it protrudes toward the lower end 2 side of the main frame 1, and a general step in which the protruding end is disposed on the lower end 2 side of the main frame 1 of the comb 5 of the entrance / exit 4 or the second wheelchair step 18. 7. The upper surface, that is, the projecting end is supported by the opposing stationary member.
[0075]
  In the escalator with a wheelchair step configured as described above, the first wheelchair step 15, the second wheelchair step 18, the board 41, the first operation mechanism 24, the second operation mechanism 27, etc. are provided. The escalator with a wheelchair step is comprised like the embodiment of FIGS. Therefore, although the detailed description is omitted, the same operation as the embodiment of FIGS. 1 to 12 can be obtained also in the embodiment of FIGS.
[0076]
  In addition, in the embodiment shown in FIGS. 16 to 19, the boarding base 41 is slidably engaged with the rising tread plate 19 of the second wheelchair step 18 through the guide mechanism 42 in the direction along the length of the main frame 1. Is done. Further, the boarding base 41 is engaged with the bracket 45 by engaging the operating pin 44 of the operating arm that protrudes toward the lower end 2 of the anti-main frame 1 of the pivoted vehicle stopper piece 43 into the guide groove 46 of the bracket 45. Is done.
[0077]
  Further, the operating pin 44 is slidably held by a holding portion on the rotating end side of the operating body 47. In such a configuration, when the transmission mechanism 321 is driven by the operation of the drive mechanism 292 of the second operating mechanism 27 in the state shown in FIG. 16, the operating body 47 rotates counterclockwise in FIG. Then, the operating body 47 stops at the position where the operating pin 44 reaches the rising end of the linear portion of the guide groove 46. By the front stage operation of the two-stage operation mechanism 48, the boarding base 41 and the vehicle stopper piece 43 project toward the lower end 2 side of the main frame 1, and the projecting end is supported by the comb 5 of the entrance / exit 4 to be in the state shown in FIG. .
[0078]
  In this state, the user of the wheelchair 22 gets into the wheelchair loading surface 23 from the entrance / exit 4 on the lower end 2 side of the main frame 1 through the boarding table 41 and the vehicle stopper piece 43. Thereafter, the operating body 47 further rotates counterclockwise in FIG. 16, and the operating pin 44 reaches the lower end of the curved portion of the guide groove 46. By the subsequent operation of the two-stage operation mechanism 48, the vehicle stopper piece 43 rotates with respect to the boarding base 41. Accordingly, as shown in FIG. 18, the vehicle stopper piece 43 is disposed at a position protruding upward, and movement of the wheelchair 22 user from the wheelchair loading surface 23 toward the lower end 2 of the main frame 1 is prevented.
[0079]
  Thereafter, the wheelchair 22 user is transported in the same manner as in the above-described embodiment shown in FIGS. Further, in the embodiment shown in FIGS. 16 to 19, the boarding base 41 and the vehicle stopper piece 43 are integrated with the operation pin 44 reaching the rising end of the linear portion of the guide groove 46 by the operation of the two-stage operation mechanism 48. The main frame 1 protrudes toward the lower end 2 side, and the protruding end is supported by the comb 5 of the entrance 4. For this reason, the boarding base 41 and the vehicle stop piece 43 can be used together, and the configuration of the drive mechanism 292 and the transmission mechanism 321 of the second operation mechanism 27 can be simplified.
[0080]
  In addition, the embodiment shown in FIGS. 16 to 19 can be easily applied as described below. That is, as the vehicle stop piece 43 that also serves as the boarding platform 41, the vehicle stop piece 43 is projected to the lower end 2 side of the main frame 1 by the front stage operation of the two-stage operation mechanism 48, and the protruding end is the entrance / exit 4. It is used as a boarding board supported by the comb 5. Next, by the subsequent operation of the two-stage operation mechanism 48, the vehicle stopper piece 43 is disposed at a position protruding in the upward direction so as to function as the vehicle stopper piece. Even with such a configuration, it is possible to obtain the same operation as that of the embodiment shown in FIGS.
[0081]
【The invention's effect】
  As described above, the present invention is arranged between the steps by providing a transport belt in which a large number of steps are connected endlessly to circulate and move the main frame, and a connecting arm that is displaced toward the lower end side of the main frame. The first wheelchair step and the first wheelchair step are arranged at the lower end side of the main frame of the first wheelchair step, and the ascending tread plate that moves up and displaces, the car stopper piece that protrudes and displaces, and the lower end side of the main frame. The platform is supported by a member on the lower end side of the main frame opposite to the projecting end, and the lifted stepping plate is supported by the projecting and displaced connecting arm and the stepping plate surface of the first wheelchair step is used for the wheelchair. A step for a second wheelchair that forms a loading surface, a first operating mechanism that is provided near the entrance of the main frame and that rises when necessary and engages the mechanism of the connecting arm to displace the connecting arm to the protruding position; Elevator installed closer to the entrance of the main frame than the first operating mechanism The first drive mechanism is raised by the elevating mechanism and is engaged with the mechanism of the car stopper piece to displace the car stopper piece to the protruding position, and the second drive is performed by the elevator mechanism. A second operating mechanism is provided that raises the mechanism and engages the mechanism of the boarding base to displace the boarding base to the protruding position.
[0082]
  As a result, either the first wheelchair step or the second wheelchair step moves to the gradually increasing or decreasing inclination moving section of either end of the main frame, and the wheelchair loading surface is formed in a stopped state. Is done. Therefore, it is possible to get in and out of the wheelchair without providing a horizontal movement section of each step longer than a normal escalator near the end of the main frame. This eliminates the need to increase the overall length of the main frame or increase the spacing between building beams that support both ends of the main frame. Therefore, there is an effect of eliminating restrictions on setting up an escalator with a wheelchair step, and restrictions on remodeling an existing normal escalator to an escalator with a wheelchair step.Further, by providing the first operating mechanism and the second operating mechanism, the configuration of the driving mechanism and the transmission mechanism can be simplified, and the manufacturing cost can be reduced.
[0083]
  In addition, when a wheelchair user gets on and off at the lower end side of the main frame, the boarding platform provided on the second wheelchair step is located between the raised stepping plate that is displaced upward and a member such as a comb at the lower end side entrance and exit. Placed in. For this reason, the wheelchair user can easily get on and off the wheelchair loading surface at the lower end side of the main frame. Further, the protruding end of the boarding table is supported by an opposing stationary member such as a comb. Therefore, the boarding board itself and the structure of the mechanism related to the boarding board can be reduced in thickness, and the manufacturing cost can be reduced.
[0084]
  In addition, as described above, the present invention is configured such that the boarding base is configured by a base portion that is movably held by the rising stepping plate and a protruding portion that is pivotally supported by an axis line that is horizontally disposed on the base portion. It is.
[0085]
  As a result, the protruding portion slides on the opposing stationary member such as the comb at the entrance and exit during the protruding operation of the boarding base, so that the distal end of the protruding portion is reliably supported by the stationary member. Therefore, the boarding board itself and the structure of the mechanism related to the boarding board can be reduced in thickness, and the manufacturing cost can be reduced.
[0086]
  In addition, as described above, the present invention is provided with a contact piece made of synthetic resin at the protruding tip of the boarding table.
[0087]
  As a result, when the protruding tip of the boarding platform slides on the upper surface of the step on the lower end side of the main frame, there is an effect of quietening the operation of the boarding platform without generating sliding noise.
[0088]
  In addition, as described above, the present invention is configured such that the boarding platform is formed in a shape in which the base portion movably held by the rising stepping plate and the intermediate portion that is connected to the base portion along the step moving direction are bent and raised. It is comprised by the protrusion part.
[0089]
  Thereby, when the boarding board protrudes, the upper surface of the intermediate portion of the protruding portion is arranged close to the upper surface of the wheelchair loading surface, and an inclined surface is formed between the entrance and the entrance. Therefore, there is an effect of facilitating getting on and off the wheelchair loading surface of the wheelchair user on the lower end side of the main frame.
[0090]
  In addition, as described above, the present invention is provided with a lifting mechanism that displaces the base part of the boarding base and the pivoted portion of the protruding part to the rising position when the boarding board protrudes.
[0091]
  As a result, the pivoting portion with the base of the protruding portion of the boarding base is pushed upward in the state in which the boarding base protrudes and is arranged at the raised position. As a result, the level difference between the boarding platform and the raised step board is reduced. Therefore, there is an effect of facilitating getting on and off the wheelchair loading surface of the wheelchair user on the lower end side of the main frame.
[0092]
  In addition, as described above, the present invention has a configuration in which the boarding platform is configured such that a vehicle stopper piece that also serves as the boarding platform is pivoted on the edge of the ascending tread board, and is provided on the ascending tread board so as to drive the second operating mechanism. Is provided with a two-stage operation mechanism in which a vehicle stopper piece that also serves as a boarding platform is disposed at a horizontally protruding position by a front-stage operation, and a vehicle stopper piece that also serves as a boarding board is disposed in an upward position by a rear-stage operation. .
[0093]
  As a result, the vehicle stopper piece that also serves as a boarding base is projected to the lower end side of the main frame by the previous stage operation of the two-stage operation mechanism, so that the vehicle stopper piece can be used as the boarding base. And the vehicle stop piece which also serves as a boarding board is arrange | positioned in the upward position by the back | latter stage operation | movement of a two-stage operation mechanism, and the function as a vehicle stop piece is achieved. Therefore, the structure of the drive mechanism and transmission mechanism of the second operating mechanism can be simplified, and the manufacturing cost can be reduced.
[Brief description of the drawings]
FIG. 1 is a conceptual side view of an escalator with a wheelchair step according to a first embodiment of the present invention.
2 is an enlarged view of a main part of FIG. 1 showing a wheelchair conveyance state in the escalator with a wheelchair step of FIG. 1;
FIG. 3 is an enlarged view of a lower part of a main frame for explaining a first situation of wheelchair conveyance at a lower part of the main frame of the escalator with a wheelchair step in FIG. 1;
FIG. 4 is a diagram for explaining the second situation next to FIG. 3;
FIG. 5 is a diagram for explaining a third situation next to FIG. 4;
6 is a diagram for explaining a fourth situation next to FIG. 5. FIG.
FIG. 7 is a diagram for explaining a fifth situation next to FIG. 6;
FIG. 8 is a diagram for explaining a sixth situation next to FIG. 7;
FIG. 9 is an enlarged view of the main frame upper end portion for explaining a first situation of wheelchair conveyance at the upper end of the main frame of the escalator with a wheelchair step in FIG. 1;
FIG. 10 is a diagram for explaining the second situation next to FIG. 9;
FIG. 11 is a diagram for explaining the next third situation of FIG. 10;
FIG. 12 is a diagram for explaining a fourth situation next to FIG. 11;
FIG. 13 is a diagram showing a second embodiment of the present invention, and is an enlarged view of a main frame lower end portion illustrating a state of wheelchair conveyance at the lower end of the main frame of an escalator with a wheelchair step, corresponding to FIG. 7 described above; .
14 is a plan view of the main part of FIG. 13;
FIG. 15 is a diagram for explaining a situation where the boarding board is retired next to FIG. 13;
FIG. 16 is a diagram showing a third embodiment of the present invention, and is an enlarged view of a main frame lower end portion illustrating a state of wheelchair conveyance at the lower end of the main frame of the escalator with a wheelchair step, corresponding to FIG. 6 described above; .
FIG. 17 is a diagram for explaining a situation in which the boarding board protrudes next to FIG. 16;
FIG. 18 is a diagram for explaining a situation in which the vehicle stopper piece protrudes after FIG. 17;
FIG. 19 is a plan view of the main part of FIG. 18;
FIG. 20 is a conceptual side view showing a conventional wheelchair stepped escalator.
21 is an enlarged view of the lower end side entrance / exit portion of FIG. 20 for explaining the first situation of wheelchair conveyance.
22 is an enlarged view of the lower end side entrance / exit portion of FIG. 20 for explaining the second situation of wheelchair conveyance.
23 is an enlarged view of the lower end side entrance / exit part of FIG. 20 for explaining the third situation of wheelchair conveyance.
[Explanation of symbols]
  1 main frame, 4 entrance / exit, 6 transport belt, 7 steps, 15 steps for first wheelchair, 17 connecting arm, 18 steps for second wheelchair, 19 climbing stepboard, 20 car stop piece, 23 wheelchair loading surface, 24 first operation Mechanism, 27 second operating mechanism, 28 elevating mechanism, 29 first driving mechanism, 291 second driving mechanism, 292 driving mechanism, 31 loading platform, 33 loading platform, 331 protrusion, 34 abutting piece, 351 lifting mechanism , 36 base, 42 boarding board, 43 car stop piece, 48 two-stage operation mechanism.

Claims (6)

多数の踏段が無端状に連結されて主枠を循環移動する搬送帯と、上記主枠の下端側へ変位する連結腕が設けられて上記踏段の相互間に配置された第一車椅子用踏段と、上記踏段の相互間に配置されて上記第一車椅子用踏段の上記主枠の下端側に配置され、上昇変位する上昇踏み板、突出変位する車止め片及び上記主枠の下端側へ突出して突出端が対向する上記下端側の部材に支持される乗込み台が設けられて、上昇変位した上記上昇踏み板が突出変位した上記連結腕に支持されて上記第一車椅子用踏段の踏み板面とにより車椅子積載面を形成する第二車椅子用踏段と、上記主枠の乗降口寄りに設けられて要時に上昇し上記連結腕の機構に係合して上記連結腕を突出位置に変位させる第一作動機構と、この第一作動機構よりも上記主枠の乗降口寄りに設けられて昇降機構により要時に上昇して上記上昇踏み板を上昇位置に変位させると共に上記昇降機構により第一駆動機構が上昇して上記車止め片の機構に係合して上記車止め片を突出位置に変位させ、上記昇降機構により第二駆動機構が上昇して上記乗込み台の機構に係合して上記乗込み台を突出位置に変位させる第二作動機構とを備えた車椅子踏段付エスカレーター。  A transport belt in which a large number of steps are connected endlessly and circulated through the main frame; and a first wheelchair step disposed between the steps provided with a connecting arm that is displaced toward the lower end side of the main frame. , Arranged between the steps and disposed on the lower end side of the main frame of the step for the first wheelchair, and ascending tread plate that moves up and displaces, the vehicle stop piece that projects and displaces, and the projecting end that projects out to the lower end side of the main frame A boarding platform that is supported by the member on the lower end side that faces the wheelchair is provided, and the lifted stepping plate that has been displaced upward is supported by the connecting arm that has been displaced to protrude and the wheelchair is loaded by the stepping plate surface of the step for the first wheelchair A second wheelchair step that forms a surface, and a first operating mechanism that is provided near the entrance of the main frame and that rises when necessary to engage the mechanism of the connecting arm and displace the connecting arm to a protruding position. The entrance / exit of the main frame than the first operating mechanism The lifting mechanism is raised by the lifting mechanism when necessary to displace the rising stepping plate to the raised position, and the first driving mechanism is lifted by the lifting mechanism to engage with the mechanism of the vehicle stopper piece to project the vehicle stopper piece. An escalator with a wheelchair step including a second actuating mechanism that is displaced to a position and the second drive mechanism is raised by the elevating mechanism and engages the mechanism of the boarding base to displace the boarding base to the protruding position . 乗込み台を、上昇踏み板に移動自在に保持された基部及びこの基部に水平方向に配置された軸線を介して枢持された突出部によって構成したことを特徴とする請求項１記載の車椅子踏段付エスカレーター。The boarding platform, the wheelchair of claim 1 Symbol mounting characterized by being constituted by the projecting portion which is Kururuji through the axis located horizontally movably retained base and the base to rise footboard Escalator with steps. 乗込み台の突出先端に合成樹脂製の当接片を設けたことを特徴とする請求項１又は請求項２記載の車椅子踏段付エスカレーター。Claim 1 or claim 2 Symbol mounting wheelchair escalator with the step, characterized in that the boarding platform of the projecting tip is provided synthetic resin abutting piece. 乗込み台を、上昇踏み板に移動自在に保持された基部及びこの基部に接続されて踏段移動方向に沿う中間部が屈曲して上昇した形状に形成された突出部によって構成したことを特徴とする請求項１〜請求項３のいずれか一つに記載の車椅子踏段付エスカレーター。The boarding board is configured by a base portion that is movably held on the rising stepping plate and a protruding portion that is connected to the base portion and has an intermediate shape along the step moving direction bent and raised. The escalator with a wheelchair step as described in any one of Claims 1-3 . 乗込み台の基部及び突出部の枢着箇所を上記乗込み台の突出時に上昇位置へ変位させる上昇機構を備えたことを特徴とする請求項２記載の車椅子踏段付エスカレーター。The escalator with a wheelchair step according to claim 2, further comprising an ascending mechanism for displacing the base part of the boarding base and the pivotally attached portion of the protruding part to the ascending position when the boarding board protrudes. 乗込み台を、上昇踏み板寄り縁部に乗込み台を兼用した車止め片を枢持した構成とし、上記上昇踏み板に設けられて第二作動機構の駆動機構により駆動され、前段動作により上記乗込み台を兼用した車止め片を水平突出位置に配置し、後段動作により上記乗込み台を兼用した車止め片を上向き位置に配置する二段動作機構を備えたことを特徴とする請求項１記載の車椅子踏段付エスカレーター。The boarding platform has a structure in which a vehicle stopper piece that also serves as a boarding platform is pivoted at the edge of the rising footboard, and is mounted on the lifting footboard and driven by the drive mechanism of the second operating mechanism. place the wheel stopper piece also serves as a platform in a horizontal extended position wheelchair according to claim 1, further comprising a two-stage operation mechanism disposed in the upward position the wheel stopper piece also serves as a boarding platform above the subsequent operation Escalator with steps.
JP23384297A 1997-08-29 1997-08-29 Escalator with wheelchair steps Expired - Fee Related JP3987606B2 (en)

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Application Number Priority Date Filing Date Title
JP23384297A JP3987606B2 (en) 1997-08-29 1997-08-29 Escalator with wheelchair steps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23384297A JP3987606B2 (en) 1997-08-29 1997-08-29 Escalator with wheelchair steps

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JPH1171083A JPH1171083A (en) 1999-03-16
JP3987606B2 true JP3987606B2 (en) 2007-10-10

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Publication number Priority date Publication date Assignee Title
JP4616970B2 (en) * 2000-07-12 2011-01-19 三菱電機株式会社 Escalator with wheelchair steps
JP5432202B2 (en) 2011-03-31 2014-03-05 セイコープレシジョン株式会社 Printed circuit board holding device

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