JP3914597B2 - Lifting devices such as lighting equipment - Google Patents

Lifting devices such as lighting equipment Download PDF

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Publication number
JP3914597B2
JP3914597B2 JP25776796A JP25776796A JP3914597B2 JP 3914597 B2 JP3914597 B2 JP 3914597B2 JP 25776796 A JP25776796 A JP 25776796A JP 25776796 A JP25776796 A JP 25776796A JP 3914597 B2 JP3914597 B2 JP 3914597B2
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lifting
guide rail
elevating
attached
leg portion
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JPH1083713A (en
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章 井上
香織 賀井
博文 井上
幸信 都丸
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Iwasaki Denki KK
East Japan Railway Co
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Iwasaki Denki KK
East Japan Railway Co
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Description

【０００１】
【発明の属する技術分野】
本発明は、天井にセットされた照明器具等を、照明器具等の交換や修理時に、照明器具等が取り付けられた昇降体を下降させ、作業終了後に上昇させて原位置にセットする照明器具等の昇降装置に関するものである。
【０００２】
【従来の技術】
住宅の吹き抜けやデパートの天井などに取り付けられた照明器具等の交換や修理を簡単に行うために、例えば特開昭６３−６４２０８号公報に開示されているように、天井に取り付けられる本体に対して、照明器具等が搭載された昇降体が上昇、下降自在な照明器具等の昇降装置が提案されている。
【０００３】
【発明が解決しようとする課題】
前述の提案に係る照明器具等の昇降装置は、照明器具等が天井面等の被取付面にほぼ水平に取り付けられた場合を対象にしているために、例えば、階段やエスカレータに傾斜した天井面等の被取付面が形成された建造物で、この被取付面に取り付けられる照明器具等に適用しようとすると、昇降体が下降時傾斜下方に位置ズレし照明器具が被取付面に接触して、照明器具等の保守作業が危険なことがある。
【０００４】
本発明は前述したようなこの種の照明器具等の昇降装置の現状に鑑みてなされたものであり、その目的は、傾斜した被取付面に取り付けた照明器具等の保守作業を安全に行うことが可能な照明器具等の昇降装置を提供することにある。
【０００５】
【課題を解決するための手段】
本発明に係る照明器具等の昇降装置は、傾斜した被取付面の傾斜に沿って固定されてなる昇降装置本体の両端部に、当該昇降装置本体の上部から下部にわたって延長するコ字状の案内レールの脚部が当該昇降装置本体の軸芯に平行に傾斜して移動可能に取付けられ、かつ該コ字状の案内レールは前記昇降装置本体との間に掛けられたレール駆動ばねにて常時下方に附勢されるように昇降装置本体に支持され、該昇降装置本体の内部に前記一対のコ字状の案内レールに対応して配設された昇降用モータにて駆動される巻取ドラムに巻取・巻戻し自在に支持された吊下索により前記コ字状の案内レールの脚部の下端に吊設された昇降体に照明器具が取付けられ、前記昇降体は前記案内レールの脚部の下端に取付けられた複数対の滑車と該昇降体に取付けられた滑車を介して吊設され、前記昇降用モータの駆動により前記巻取ドラムから吊下索が送り出されることにより前記昇降体が前記案内レールの脚部を移動させながら傾斜して下降し、さらに前記案内レールの下端に配置された複数対の滑車のうち傾斜した面の下側に位置する滑車を介して前記昇降体がほぼ水平位置を保持された状態で下降するように構成されていることを特徴とするものである。
【０００６】
また、本発明に係る照明器具等の昇降装置は、傾斜した被取付面の傾斜に沿って固定されてなる昇降装置本体の一端部に、当該昇降装置本体の上部から下部にわたって延長するコ字状の案内レールの脚部が当該昇降装置本体の軸芯に平行に傾斜して移動可能に取付けられ、かつ該コ字状の案内レールは前記昇降装置本体との間に掛けられたレール駆動ばねにて常時下方に附勢されるように昇降装置本体に支持され、該昇降装置本体の内部に配設された昇降用モータにて駆動される巻取ドラムに巻取・巻戻し自在に支持された吊下索により前記コ字状の案内レールの脚部の下端に吊設された昇降体に照明器具が取付けられ、前記昇降体は前記案内レールの脚部の下端に取付けられた複数対の滑車と該昇降体に取付けられた滑車を介して吊設され、前記昇降用モータの駆動により前記巻取ドラムから吊下索が送り出されることにより前記昇降体が前記案内レールの脚部を移動させながら傾斜して下降し、さらに前記案内レールの下端に配置された複数対の滑車のうち傾斜した面の下側に位置する滑車を介して前記昇降体がほぼ水平位置を保持された状態で下降するように構成されていることを特徴とするものである。
さらに、本発明装置は、前記昇降体の上面に、該昇降体が傾斜して下降する際に当該昇降体がその自重によって前記案内レールの端面と平行に位置ずれしないように当該昇降体を支持するための一対のガイド板を突設し、少なくとも傾斜した面の下側に位置するガイド板は、その高さを前記昇降体に設けた滑車の直径と前記案内レールの脚部の下端に設けた滑車の半径の和より大きく、かつ先端を上方で傾斜した面に向けて屈曲せしめて構成することが好ましい。
【０００７】
本発明では、上記の通り構成されているため。昇降装置本体が、傾斜した天井面等の被取付面に固設され、照明器具等が取り付けられた昇降体が、昇降装置本体に一端が、また他端が巻取ドラムに固定されたループ状の吊下索によって、昇降装置本体に対して上下動自在に移動し、通常取付状態では昇降体が昇降装置本体に対接配置され、かつ昇降体は昇降装置本体に、必要に応じロック手段によってロック保持され、保守時には、昇降体は昇降装置本体から下降移動され、被取付面からほぼ水平になるように、吊下索によって吊り下げ保持される。
この場合、昇降装置本体の内部に配置され、吊下索が巻装された巻取ドラムが、昇降用モータにより逆転されると、昇降体が昇降装置本体に対接した対接位置と中間下降位置間では、レール駆動ばねが、昇降体を昇降装置本体から離反させるよう下方に附勢して、昇降体の昇降装置本体に対する下降移動は案内レールに案内されて行われ、昇降体は昇降装置本体に平行に所定距離下降する。
この中間下降位置からは、昇降用モータによりさらに逆転される巻取ドラムによって、前記レールの下端に配置された複数対の滑車のうち傾斜した面の下側に位置する滑車を中心に前記昇降体が水平に近づきながら下降するように、一方の滑車に巻回された吊下索が送り出され、昇降体は保守等のためにほぼ水平に位置される。
【０００８】
【発明の実施の形態】
次に本発明を添付図面に基づいて説明する。
まず本発明の第１の実施例を、図１ないし図５を参照して説明する。
図１は本実施例の構成を示す取付状態の正面図、図２は本実施例の構成を示す取付状態の側面図、図３は本実施例の構成を示す取付解除過程の側面図、図４は本実施例の構成を示す取付解除中間時の側面図、図５は本実施例の構成を示す取付解除終了時の側面図である。
【０００９】
本実施例は、傾斜した被取付面である天井面１に固定される箱形の昇降装置本体２と、該装置本体の長手方向に長い照明器具３が取り付けられているとともに、天井面１への通常の取り付け状態では、本体２と対接配置され、一方照明器具３の保守時には本体２から下降移動され、吊下索５によって吊り下げ保持される昇降体４と、を備えている。
前記昇降装置本体２の長手方向のほぼ中央位置にロック具６ａが、昇降体４の長手方向のほぼ中央位置には前記ロック具６ａと対応してロック具６ｂが設けられ、昇降装置本体２と昇降体４との対接状態では、ロック具６ａ、６ｂが互いに係合され、この係合状態をロックする電磁ソレノイド７が、本体２のロック具６ａの近傍に配設されている。
【００１０】
前記昇降装置本体２内部の長手方向の両端部には、ガイド部１３ａが形成されたレール支持部１３が設けられており、このレール支持部１３に昇降装置本体上部から本体下部にわたって延長するコ字状の案内レール１１が設けられている。そのレール取付け手段は、該案内レール１１の一対の脚部１１ａが本体２内部において、レール支持部１３のガイド部１３ａ間に挿通されている。そして、本体２と案内レール１１の上端部のブリッジ部１１ｂ間に、昇降体４を本体２から離す方向（下方に向けて）に附勢しているレール駆動ばね１２が取り付けられている。
【００１１】
また、前記昇降装置本体２内部の長手方向の両端部の近傍において、吊下索５の一端が固定され、かつ該吊下索５を巻装する巻取ドラム８がそれぞれ配設され、巻取ドラム８の近傍には、巻取ドラム８を駆動する昇降用モータ９がそれぞれ配設されている。前記レール１１の脚部１１ａの下端部には、巻取ドラム８に対向して複数対の滑車１０ａがそれぞれ配設され、巻取ドラム８に巻装された吊下索５は、滑車１０ａに巻回され、滑車１０ａに対向して昇降体４の上面に配設されている滑車１０ｂに巻回され、かつ吊下索５の他端は、滑車１０ａの上方において、レール支持部１３のガイド部１３ａの内面に固定されている。
【００１２】
一方、前記昇降体４の上面に、前記レール１１の脚部１１ａの下端部に取付けられた滑車１０ａ、１０ａの装置本体幅方向の間隔とほぼ等しい間隔をおいて該滑車１０ｂ、１０ｂと一対のガイド板１４ａ、１４ｂが突設されており、少なくとも傾斜した面の下側に位置するガイド板１４ａの高さを前記昇降体４に設けた滑車１０ｂの直径とレール１１の脚部１１ａの下端に設けた滑車１０ａの半径の和より大きくし、かつ先端を上方で傾斜した面に向けて屈曲せしめてほぼ「く」字状となるよう構成したものである。
【００１３】
このような構成の本実施例の動作を説明する。
図２は照明器具３を取付けた昇降体４が、傾斜した天井面１に取り付けられた取付状態を示し、電磁ソレノイド７によって、互いに係合されたロック具６ａ、６ｂはロックされ、昇降体４は本体２に対接配置されている。この対接配置状態から、照明器具３等の保守を行う場合には、先ず、電磁ソレノイド７によるロック状態を解除し、次いで昇降用モータ９を駆動して、巻取ドラム８を吊下索５を巻戻す方向に逆転させると、巻取ドラム８から吊下索５が送り出され、レール駆動ばね１２の附勢力と昇降体４の自重とによって、昇降体４は、案内レール１１の脚部１１ａをガイド部１３ａに沿って移動させながら、本体２の軸芯に平行に傾斜しながら下降を開始する。この際に、昇降体４がその自重によってレール１１の脚部１１ａの端面と平行に位置ズレしないようにガイド板１４ａ、１４ｂにより昇降体４を支持する。
【００１４】
そして、昇降体４が、本体２の軸芯に平行に傾斜して移動し、図３に示すように、案内レール１１のブリッジ部１１ｂが、レール支持部１３の端面に当接した中間下降位置から、さらに巻取ドラム８が吊下索５を送り出すので、昇降体４は、レール１１の下側に配置され傾斜した面の下側に位置する滑車１０ａを中心に反時計回り方向に回動するように移動し、昇降体４が水平位置を保持され（図４参照）、次いで昇降用モータ９の駆動を継続して、図５に示すように、昇降体４は傾斜した天井面１からほぼ水平に安全に吊り下げられる。
【００１５】
このように、昇降体４を傾斜した天井１から昇降体４を水平に吊り下げた状態にして、昇降体４に取り付けられている照明器具３の保守等を行い、保守等終了後は昇降用モータ９を駆動して巻取ドラム８を正転させると前記吊り下げ動作と逆動作を行って、昇降体４を傾斜した天井面１に固設されている本体２に対接するよう位置する。
すなわち、まず昇降用モータ９を駆動して、巻取ドラム８が吊下索５を巻き取る方向に正転されると、図５の状態から、図４の中間解除位置に昇降体４が上昇移動するが、この際に前記ガイド板１４ａ、１４ａの屈曲先端部によって滑車１０ａと１０ｂとが正しく当接するよう案内される。昇降体４は滑車１０ａを中心に時計回り方向に回動して、図３に示すように、滑車１０ｂが、案内レール１１の下端に配置した滑車１０ａに当接した状態となる。さらに、巻取ドラム８が正転されると、吊下索５が、案内レール１１に沿って巻き取られるので、ガイド板１４ａ、１４ｂによって位置ズレを防止されつつ案内レール１１がガイド部１３ａに沿って傾斜して上昇移動し、図２に示すように昇降体４が本体２に対接する。
昇降体４が本体２に対接すると、対接位置検出手段によって該対接が検出され、電磁ソレノイド７が作動して互いに係合されたロック具６ａ、６ｂがロックされる。
【００１６】
このように本実施例によると、傾斜した天井面１に取り付けられた照明器具３を支持した昇降体４が、ガイド板１４ａ、１４ｂにより位置ズレを防止されながら案内レール１１とレール支持部１３のガイド部１３ａによって案内されて、本体２の軸芯に平行に傾斜して所定距離移動し、その後送り出される吊下索５によつて、昇降体４が水平方向に向くように滑車１０ａを中心に回動し、次いで下降するので、傾斜した天井面１に取り付けられた照明器具３を、保守時に水平方向に吊り下げ、保守作業を安全に行うことが可能になる。
なお上記実施例においては昇降体４が、電磁ソレノイド７により動作するロック具６ａ、６ｂにより本体２にロック保持される例を示したが、かかるロック具６ａ、６ｂは安全手段であって、昇降用モータ９の力により昇降体４は本体２との対接位置に十分保持できる。
【００１７】
次に、本発明の第２の実施例を、図６ないし図１０を参照して説明する。
図６は本実施例の構成を示す取付状態の正面図、図７は本実施例の構成を示す取付状態の側面図、図８は本実施例の構成を示す取付解除過程の側面図、図９は本実施例の構成を示す取付解除中間時の側面図、図１０は本実施例の構成を示す取付解除終了時の側面図である。
【００１８】
この実施例は、前記第１の実施例に比べ照明器具３Ａの箱形の昇降装置本体２Ａ及び昇降体４Ａの横軸方向の長さが短く、これに伴って本体２Ａ及び昇降体４Ａの長手方向の長さも比較的短い場合である。
本実施例では、昇降装置本体２Ａの長手方向の一方の端部に、吊下索５の一端が固定され、さらに吊下索５を巻装する巻取ドラム８が配設され、巻取ドラム８の近傍には、巻取ドラム８を駆動する昇降用モータ９が配設されている。また、案内レール１１、レール駆動ばね１２、及びレール支持部１３も、それぞれ１つのみ設けられているものである。
この実施例のその他の部分の構成は、すでに説明した第１の実施例の構成とほぼ同一である。
【００１９】
第２の実施例では、昇降装置本体２Ａの長手方向の一方の端部に設けられた巻取ドラム８と巻取ドラム８を駆動する昇降用モータ９とによって、本体２Ａと昇降装置本体２Ａの長手方向の一方の端部においてのみ、吊下索５の巻戻し及び巻き取りが行われ、吊下索５によって昇降体４Ａが、本体２Ａに近付き或いは本体２Ａから遠ざかる方向に上下動自在に移動する。
【００２０】
【発明の効果】
本発明によると、傾斜した天井面に固設された昇降装置本体の長手方向の少なくとも一方の端部に設けられ、吊下索が巻装された巻取ドラムが、昇降用モータで下降方向に逆転されると、照明器具等が取り付けられた昇降体が、本体に対接した対接位置と中間下降位置間では、昇降体は案内レールに案内されて、本体に平行に所定距離下降し、中間下降位置からは、昇降用モータで下降方向に回動される巻取ドラムにより、昇降体がほぼ水平方向になるように、一方の滑車に巻回された吊下索が送り出され、昇降体は保守のためにほぼ水平に配置されるので、傾斜した天井面に取り付けられた照明器具等の保守を、簡単な操作によって安全に行うことが可能になる。
また前記昇降体の上面に一対のガイド板を突設することにより、取付解除過程と取付解除中間時との間で前記ガイド板は昇降体の支持体として働いて、レールとの位置ズレを防止し、一方取付解除終了時から取付解除中間時へ昇降体が上昇する際には昇降体の案内として働いて昇降体をレールに対する正規位置に導くものである。
【図面の簡単な説明】
【図１】本発明の第１の実施例の構成を示す取付状態の正面図である。
【図２】同実施例の構成を示す取付状態の側面図である。
【図３】同実施例の構成を示す取付解除過程の側面図である。
【図４】同実施例の構成を示す取付解除中間時の側面図である。
【図５】同実施例の構成を示す取付解除終了時の側面図である。
【図６】本発明の第２の実施例の構成を示す取付状態の正面図である。
【図７】同実施例の構成を示す取付状態の側面図である。
【図８】同実施例の構成を示す取付解除過程の側面図である。
【図９】同実施例の構成を示す取付解除中間時の側面図である。
【図１０】同実施例の構成を示す取付解除終了時の側面図である。
【符号の説明】
１ 天井面
２、２Ａ 本体
３、３Ａ 照明器具
４、４Ａ 昇降体
５ 吊下索
６ａ、６ｂ ロック具
７ 電磁ソレノイド
８ 巻取ドラム
９ 昇降用モータ
１０ａ、１０ｂ 滑車
１１ 案内レール
１２ レール駆動ばね
１４ａ、１４ｂ ガイド板[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a lighting fixture or the like for setting a lighting fixture or the like set on a ceiling by lowering a lifting body to which the lighting fixture or the like is attached at the time of replacement or repair of the lighting fixture or the like, and raising and lowering after completion of the work. The present invention relates to a lifting device.
[0002]
[Prior art]
In order to easily replace or repair lighting fixtures attached to the atrium of a house or the ceiling of a department store, for example, as disclosed in JP-A-63-64208, a main body attached to the ceiling A lifting device such as a lighting fixture has been proposed in which a lifting body on which a lighting fixture or the like is mounted can be raised and lowered.
[0003]
[Problems to be solved by the invention]
Since the lifting device such as a lighting fixture according to the above-mentioned proposal is intended for a case where the lighting fixture is mounted substantially horizontally on a mounting surface such as a ceiling surface, for example, a ceiling surface inclined to a staircase or an escalator In a building with a mounting surface such as, etc., when trying to apply to a lighting fixture etc. attached to this mounting surface, the elevating body is displaced downward and the lighting fixture is in contact with the mounting surface. In addition, maintenance work such as lighting equipment may be dangerous.
[0004]
The present invention has been made in view of the current situation of such lifting devices such as lighting fixtures as described above, and the purpose thereof is to safely perform maintenance work of lighting fixtures attached to inclined mounting surfaces. An object of the present invention is to provide a lifting device such as a lighting fixture.
[0005]
[Means for Solving the Problems]
The lifting device such as a lighting fixture according to the present invention has a U-shaped guide extending from the upper part to the lower part of the lifting device body at both ends of the lifting device body fixed along the slope of the inclined mounting surface. The leg portion of the rail is attached so as to be able to move while being inclined parallel to the axis of the lifting device body, and the U-shaped guide rail is always provided by a rail drive spring hung between the lifting device body. A winding drum that is supported by a lifting device main body so as to be urged downward, and is driven by a lifting motor disposed inside the lifting device body corresponding to the pair of U-shaped guide rails. A lighting fixture is attached to an elevating body suspended from a lower end of a leg portion of the U-shaped guide rail by a suspension rope supported so as to be freely wound and unwound on the leg, and the elevating body is a leg of the guide rail. Multiple pairs of pulleys attached to the lower end of the section and the lifting body The lifting body is suspended via an attached pulley, and the lifting body is sent out from the winding drum by driving of the lifting motor, so that the lifting body is tilted and lowered while moving the legs of the guide rail. Furthermore, the lifting body is configured to descend in a state of being held in a substantially horizontal position via a pulley located below the inclined surface of the plurality of pairs of pulleys arranged at the lower end of the guide rail. It is characterized by being.
[0006]
Further, the lifting device such as a lighting fixture according to the present invention has a U-shape extending from the upper part to the lower part of the lifting device body at one end of the lifting device body fixed along the slope of the inclined mounting surface. The leg portion of the guide rail is attached to be movable in an inclined manner parallel to the axis of the lifting device body, and the U-shaped guide rail is attached to a rail drive spring hung between the lifting device body and the guide rail. Supported by the lifting device body so as to be always urged downward, and supported by a winding drum driven by a lifting motor disposed inside the lifting device body so as to be rewound and unwound. A lighting fixture is attached to a lifting body suspended from a lower end of a leg portion of the U-shaped guide rail by a suspension rope, and the lifting body is a plurality of pairs of pulleys attached to a lower end of the leg portion of the guide rail. And suspended via a pulley attached to the lifting body When the hoisting rope is sent out from the take-up drum by driving the elevating motor, the elevating body descends while moving the leg portion of the guide rail, and is further disposed at the lower end of the guide rail. The lifting body is configured to descend while maintaining a substantially horizontal position via a pulley located below the inclined surface of the plurality of pairs of pulleys.
Further, the device according to the present invention supports the lifting body on the upper surface of the lifting body so that the lifting body is not displaced in parallel with the end surface of the guide rail by its own weight when the lifting body is inclined and lowered. A guide plate located at the lower side of at least the inclined surface is provided at the lower end of the guide rail and the diameter of the pulley provided on the lifting body. It is preferable that the front end of the pulley bend toward an upwardly inclined surface.
[0007]
This is because the present invention is configured as described above. The lifting device body is fixed to a mounting surface such as an inclined ceiling surface, and a lifting body to which a lighting fixture or the like is attached has a loop shape in which one end is fixed to the lifting device body and the other end is fixed to a winding drum. The hoisting cable of the lifting / lowering device is movable up and down with respect to the lifting / lowering device main body. During the maintenance, the lifting / lowering body is moved downward from the lifting / lowering apparatus main body, and is suspended and held by the suspension rope so as to be substantially horizontal from the mounted surface.
In this case, when the take-up drum, which is arranged inside the lifting device main body and on which the suspension rope is wound, is reversed by the lifting motor, the contact position where the lifting body contacts the lifting device body and the intermediate lowering Between the positions, the rail driving spring urges the lifting body downward to separate the lifting body from the lifting device body, and the downward movement of the lifting body with respect to the lifting device body is guided by the guide rail. Move down a predetermined distance parallel to the body.
From the intermediate lowering position, the lifting body is centered on the pulley located below the inclined surface of the plurality of pulleys arranged at the lower end of the rail by the winding drum further reversed by the lifting motor. The suspension cable wound around one pulley is sent out so that the vehicle descends while approaching the horizontal, and the lifting body is positioned almost horizontally for maintenance and the like.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Next, the present invention will be described with reference to the accompanying drawings.
First, a first embodiment of the present invention will be described with reference to FIGS.
1 is a front view of the mounting state showing the configuration of the present embodiment, FIG. 2 is a side view of the mounting state illustrating the configuration of the present embodiment, FIG. 3 is a side view of the mounting release process showing the configuration of the present embodiment, FIG. 4 is a side view showing the configuration of the present embodiment at the time of the middle of the mounting release, and FIG.
[0009]
In the present embodiment, a box-shaped lifting device main body 2 fixed to a ceiling surface 1 that is an inclined mounting surface, and a lighting fixture 3 that is long in the longitudinal direction of the device main body are attached to the ceiling surface 1. In the normal mounting state, the main body 2 is disposed so as to be in contact with each other, while the lighting fixture 3 is maintained to be lowered from the main body 2 and maintained by being suspended by the suspension rope 5.
Locking wings 6a in a substantially central position in the longitudinal direction of the lifting device main body 2, the substantially central position in the longitudinal direction of the elevating body 4 locking wings 6b are provided corresponding to the locking member 6a, the lifting device main body 2 In the state of contact with the lifting body 4, the lock tools 6 a and 6 b are engaged with each other, and an electromagnetic solenoid 7 that locks the engaged state is disposed in the vicinity of the lock tool 6 a of the main body 2.
[0010]
At both ends in the longitudinal direction inside the elevating device main body 2, rail support portions 13 having guide portions 13a are provided, and the U-shape extending from the upper portion of the elevating device main body to the lower portion of the main body is provided on the rail support portion 13. A guide rail 11 is provided . Its rail mounting means includes a pair of leg portions 11a of the guide rail 11 inside the body 2, it is inserted between the guide portion 13a of the rail support 13. Between the main body 2 and the bridge portion 11b at the upper end of the guide rail 11, a rail drive spring 12 that urges the elevating body 4 in a direction away from the main body 2 (downward) is attached.
[0011]
In addition, in the vicinity of both ends in the longitudinal direction inside the elevating device main body 2, one end of the suspension rope 5 is fixed, and a winding drum 8 around which the suspension rope 5 is wound is provided, respectively. In the vicinity of the drum 8, an elevating motor 9 that drives the winding drum 8 is provided. A plurality of pairs of pulleys 10a are respectively arranged at the lower end of the leg 11a of the rail 11 so as to face the winding drum 8, and the suspension rope 5 wound around the winding drum 8 is attached to the pulley 10a. It is wound and wound around a pulley 10b disposed on the upper surface of the elevating body 4 so as to face the pulley 10a, and the other end of the suspension rope 5 is a guide of the rail support portion 13 above the pulley 10a. It is fixed to the inner surface of the part 13a.
[0012]
On the other hand, a pair of pulleys 10b, 10b and a pair of pulleys 10b, 10b are arranged on the upper surface of the lifting body 4 at an interval substantially equal to the interval in the apparatus body width direction of the pulleys 10a, 10a attached to the lower ends of the legs 11a of the rail 11 . Guide plates 14a and 14b are projected, and at least the height of the guide plate 14a located below the inclined surface is set to the diameter of the pulley 10b provided on the lifting body 4 and the lower end of the leg portion 11a of the rail 11. The pulley 10a is larger than the sum of the radii of the pulley 10a provided, and its tip is bent toward an upwardly inclined surface to form a substantially “<” shape.
[0013]
The operation of this embodiment having such a configuration will be described.
FIG. 2 shows a mounting state in which the lifting / lowering body 4 to which the lighting fixture 3 is mounted is mounted on the inclined ceiling surface 1, and the lock members 6 a and 6 b engaged with each other are locked by the electromagnetic solenoid 7. Is disposed in contact with the main body 2. When performing maintenance of the lighting fixture 3 and the like from this contact arrangement state, first, the locked state by the electromagnetic solenoid 7 is released, and then the lifting motor 9 is driven to suspend the winding drum 8 from the suspension cable 5. Is reversed in the rewinding direction, the suspension cable 5 is sent out from the take-up drum 8, and the lifting body 4 is supported by the leg 11 a of the guide rail 11 by the urging force of the rail drive spring 12 and the weight of the lifting body 4. While moving along the guide portion 13a, the lowering starts while inclining parallel to the axis of the main body 2. At this time, the elevating body 4 is supported by the guide plates 14a and 14b so that the elevating body 4 is not displaced in parallel with the end surface of the leg portion 11a of the rail 11 by its own weight.
[0014]
And the raising / lowering body 4 inclines in parallel with the axial center of the main body 2, and the intermediate | middle descent | fall position where the bridge part 11b of the guide rail 11 contact | abutted to the end surface of the rail support part 13 as shown in FIG. Since the take-up drum 8 further feeds the suspension rope 5 from above, the elevating body 4 rotates counterclockwise around a pulley 10a positioned below the inclined surface of the rail 11 and positioned below the inclined surface. The lifting body 4 is held in a horizontal position (see FIG. 4), and then the driving of the lifting motor 9 is continued, so that the lifting body 4 moves from the inclined ceiling surface 1 as shown in FIG. It can be safely suspended almost horizontally.
[0015]
As described above, the lifting body 4 is horizontally suspended from the tilted ceiling 1 and the lighting fixture 3 attached to the lifting body 4 is maintained, and after the maintenance is completed, the lifting body 4 is lifted and lowered. When the motor 9 is driven to rotate the take-up drum 8 in the forward direction, the operation reverse to the suspension operation is performed, and the lifting body 4 is positioned so as to be in contact with the main body 2 fixed to the inclined ceiling surface 1.
That is, when the lifting motor 9 is first driven and the winding drum 8 is rotated forward in the direction of winding the suspension cable 5, the lifting body 4 rises from the state of FIG. 5 to the intermediate release position of FIG. At this time, the pulleys 10a and 10b are guided by the bent tip portions of the guide plates 14a and 14a so as to correctly contact each other. The elevating body 4 rotates clockwise around the pulley 10a, and the pulley 10b comes into contact with the pulley 10a disposed at the lower end of the guide rail 11, as shown in FIG. Further, when the winding drum 8 is rotated forward, the suspension rope 5 is wound along the guide rail 11, so that the guide rail 11 is moved to the guide portion 13a while being prevented from being displaced by the guide plates 14a and 14b. As shown in FIG. 2, the elevating body 4 comes into contact with the main body 2.
When the elevating body 4 comes into contact with the main body 2, the contact position detection means detects the contact, and the electromagnetic solenoid 7 is activated to lock the lock members 6 a and 6 b engaged with each other.
[0016]
Thus, according to the present embodiment, the lifting body 4 that supports the lighting fixture 3 attached to the inclined ceiling surface 1 is prevented from being displaced by the guide plates 14a and 14b, while the guide rail 11 and the rail support portion 13 Guided by the guide part 13a, tilted in parallel to the axis of the main body 2 and moved by a predetermined distance, and then the suspension cable 5 fed out, with the lifting body 4 oriented in the horizontal direction around the pulley 10a. Since it rotates and then descends, it becomes possible to suspend the lighting fixture 3 attached to the inclined ceiling surface 1 in the horizontal direction during maintenance, and to perform maintenance work safely.
In the above embodiment, the lifting body 4 is locked to the main body 2 by the locking tools 6a and 6b operated by the electromagnetic solenoid 7. However, the locking tools 6a and 6b are safety means and are lifted and lowered. The elevating body 4 can be sufficiently held at the contact position with the main body 2 by the force of the motor 9.
[0017]
Next, a second embodiment of the present invention will be described with reference to FIGS.
6 is a front view of the mounting state showing the configuration of the present embodiment, FIG. 7 is a side view of the mounting state illustrating the configuration of the present embodiment, FIG. 8 is a side view of the mounting release process showing the configuration of the present embodiment, FIG. 9 is a side view showing the configuration of the present embodiment at the time of intermediate attachment release, and FIG. 10 is a side view showing the configuration of the present embodiment when the attachment release is completed.
[0018]
In this embodiment, the box-shaped lifting device body 2A and lifting body 4A of the lighting fixture 3A are shorter in the horizontal axis direction than the first embodiment, and accordingly, the lengths of the body 2A and lifting body 4A are long. This is the case when the length in the direction is also relatively short.
In this embodiment, the one end portion in the longitudinal direction of the lifting device main body 2A, is fixed to one end of Tsushitasaku 5, it is disposed the winding drum 8 further wound around Tsushitasaku 5, the winding drum In the vicinity of 8, an elevating motor 9 that drives the winding drum 8 is disposed. Further, only one guide rail 11, rail drive spring 12, and rail support portion 13 are provided.
The structure of the other parts of this embodiment is almost the same as that of the first embodiment already described.
[0019]
In the second embodiment, the main body 2A and the lifting device main body 2A are provided by a winding drum 8 provided at one end in the longitudinal direction of the lifting device main body 2A and a lifting motor 9 for driving the winding drum 8. Only at one end in the longitudinal direction, the hoisting cord 5 is rewound and wound up, and the hoisting cord 5 moves the elevating body 4A so as to move up and down in a direction approaching or moving away from the main body 2A. To do.
[0020]
【The invention's effect】
According to the present invention, the winding drum provided with at least one end in the longitudinal direction of the lifting device main body fixed to the inclined ceiling surface and wound with the suspension rope is lowered in the lowering direction by the lifting motor. When reversed, the lifting body to which the lighting fixture or the like is attached is guided by the guide rail between the contact position where it contacts the body and the intermediate lowering position, and descends a predetermined distance in parallel to the body. From the intermediate lowering position, the hoisting rope wound around one pulley is sent out by the take-up drum rotated in the lowering direction by the elevating motor so that the elevating body is almost horizontal, and the elevating body Are arranged almost horizontally for maintenance, so that it is possible to safely perform maintenance of a lighting fixture or the like attached to an inclined ceiling surface by a simple operation.
In addition, by projecting a pair of guide plates on the upper surface of the lifting body, the guide plate acts as a support body for the lifting body between the mounting release process and the middle of the mounting release, thereby preventing positional deviation from the rail. On the other hand, when the lifting body rises from the end of the mounting release to the middle of the mounting release, it works as a guide for the lifting body and guides the lifting body to a normal position with respect to the rail.
[Brief description of the drawings]
FIG. 1 is a front view of a mounting state showing a configuration of a first embodiment of the present invention.
FIG. 2 is a side view of the mounting state showing the configuration of the embodiment.
FIG. 3 is a side view of an attachment releasing process showing the configuration of the embodiment.
FIG. 4 is a side view showing the configuration of the embodiment at the time of intermediate mounting release.
FIG. 5 is a side view at the end of attachment release showing the configuration of the embodiment.
FIG. 6 is a front view of the mounting state showing the configuration of the second embodiment of the present invention.
FIG. 7 is a side view of the mounting state showing the configuration of the embodiment.
FIG. 8 is a side view of the attachment releasing process showing the configuration of the embodiment.
FIG. 9 is a side view showing the configuration of the embodiment at the time of intermediate attachment release.
FIG. 10 is a side view at the end of mounting release showing the configuration of the embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Ceiling surface 2, 2A Main body 3, 3A Lighting fixture 4, 4A Lifting body 5 Hanging rope 6a, 6b Locking tool 7 Electromagnetic solenoid 8 Winding drum 9 Lifting motor 10a, 10b Pulley 11 Guide rail 12 Rail drive spring 14a, 14b Guide plate

Claims (3)

傾斜した被取付面の傾斜に沿って固定されてなる箱形の昇降装置本体の両端部に、当該昇降装置本体の上部から下部にわたって延長するコ字状の案内レールの脚部が当該昇降装置本体の軸芯に平行に傾斜して移動可能に取付けられ、かつ該コ字状の案内レールは前記昇降装置本体との間に掛けられたレール駆動ばねにて常時下方に附勢されるように昇降装置本体に支持され、該昇降装置本体の内部に前記一対のコ字状の案内レールに対応して配設された昇降用モータにて駆動される巻取ドラムに巻取・巻戻し自在に支持された吊下索により前記コ字状の案内レールの脚部の下端に吊設された昇降体に照明器具が取付けられ、前記昇降体は前記案内レールの脚部の下端に取付けられた複数対の滑車と該昇降体に取付けられた滑車を介して吊設され、前記昇降用モータの駆動により前記巻取ドラムから吊下索が送り出されることにより前記昇降体が前記案内レールの脚部を移動させながら傾斜して下降し、さらに前記案内レールの下端に配置された複数対の滑車のうち傾斜した面の下側に位置する滑車を介して前記昇降体がほぼ水平位置を保持された状態で下降するように構成されていることを特徴とする照明器具等の昇降装置。The leg portions of the U-shaped guide rail extending from the upper part to the lower part of the lifting device body are attached to both ends of the box-shaped lifting device body fixed along the slope of the inclined mounting surface. The U-shaped guide rail is lifted and lowered so that it is always urged downward by a rail drive spring hung between the lifting device body and the guide rail. Supported by an apparatus body and supported by a winding drum driven by a lifting motor disposed inside the lifting apparatus body corresponding to the pair of U-shaped guide rails so as to be freely wound and unwound. A lighting fixture is attached to the lifting body suspended from the lower end of the leg portion of the U-shaped guide rail by the suspended rope, and the lifting body is attached to the lower end of the leg portion of the guide rail. And a pulley attached to the lifting body. When the hoisting rope is sent out from the winding drum by driving the elevating motor, the elevating body descends while moving the leg portion of the guide rail, and is further disposed at the lower end of the guide rail. A lighting fixture or the like, wherein the lifting body is configured to descend while maintaining a substantially horizontal position via a pulley located below the inclined surface of the plurality of pairs of pulleys. lift device. 傾斜した被取付面の傾斜に沿って固定されてなる箱形の昇降装置本体の一端部に、当該昇降装置本体の上部から下部にわたって延長するコ字状の案内レールの脚部が当該昇降装置本体の軸芯に平行に傾斜して移動可能に取付けられ、かつ該コ字状の案内レールは前記昇降装置本体との間に掛けられたレール駆動ばねにて常時下方に附勢されるように昇降装置本体に支持され、該昇降装置本体の内部に配設された昇降用モータにて駆動される巻取ドラムに巻取・巻戻し自在に支持された吊下索により前記コ字状の案内レールの脚部の下端に吊設された昇降体に照明器具が取付けられ、前記昇降体は前記案内レールの脚部の下端に取付けられた複数対の滑車と該昇降体に取付けられた滑車を介して吊設され、前記昇降用モータの駆動により前記巻取ドラムから吊下索が送り出されることにより前記昇降体が前記案内レールの脚部を移動させながら傾斜して下降し、さらに前記案内レールの下端に配置された複数対の滑車のうち傾斜した面の下側に位置する滑車を介して前記昇降体がほぼ水平位置を保持された状態で下降するように構成されていることを特徴とする照明器具等の昇降装置。A leg portion of a U-shaped guide rail extending from the upper part to the lower part of the lifting / lowering device main body is attached to one end of the box-shaped lifting / lowering device main body fixed along the inclination of the inclined mounting surface. The U-shaped guide rail is lifted and lowered so as to be always urged downward by a rail drive spring hung between the lifting device body and the guide rail. The U-shaped guide rail is supported by a suspension rope supported by the apparatus body and supported by a winding drum driven by a lifting motor disposed inside the lifting apparatus body so as to be freely wound and unwound. A lighting fixture is attached to a lifting body suspended from a lower end of a leg portion of the guide rail, and the lifting body is connected to a plurality of pulleys attached to a lower end of the leg portion of the guide rail and a pulley attached to the lifting body. The winding is suspended and driven by the lifting motor When the suspension cable is sent out from the drum, the elevating body descends while moving the leg portion of the guide rail, and further, of the inclined surfaces of the plurality of pulleys arranged at the lower end of the guide rail. An elevating device such as a lighting device, wherein the elevating body is lowered through a pulley located on the lower side while being held in a substantially horizontal position. 前記昇降体の上面に、該昇降体が傾斜して下降する際に当該昇降体がその自重によって前記案内レールの端面と平行に位置ずれしないように当該昇降体を支持するための一対のガイド板が突設され、少なくとも傾斜した面の下側に位置するガイド板は、その高さが前記昇降体に設けた滑車の直径と前記案内レールの脚部の下端に設けた滑車の半径の和より大きく、かつ先端が上方で傾斜した面に向けて屈曲せしめて構成されていることを特徴とする請求項１または２に記載の照明器具等の昇降装置。A pair of guide plates for supporting the elevating body so that the elevating body is not displaced in parallel with the end surface of the guide rail by its own weight when the elevating body inclines and descends on the upper surface of the elevating body. The guide plate located at the lower side of the inclined surface is at least the sum of the diameter of the pulley provided on the elevator and the radius of the pulley provided on the lower end of the leg portion of the guide rail. The elevating device for a lighting apparatus or the like according to claim 1 or 2, wherein the elevating device is configured to be large and bent toward a surface inclined upward.
JP25776796A 1996-09-06 1996-09-06 Lifting devices such as lighting equipment Expired - Fee Related JP3914597B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25776796A JP3914597B2 (en) 1996-09-06 1996-09-06 Lifting devices such as lighting equipment

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Application Number Priority Date Filing Date Title
JP25776796A JP3914597B2 (en) 1996-09-06 1996-09-06 Lifting devices such as lighting equipment

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JPH1083713A JPH1083713A (en) 1998-03-31
JP3914597B2 true JP3914597B2 (en) 2007-05-16

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