JP3600280B2 - High-altitude automatic drawing equipment - Google Patents

High-altitude automatic drawing equipment Download PDF

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Publication number
JP3600280B2
JP3600280B2 JP27792594A JP27792594A JP3600280B2 JP 3600280 B2 JP3600280 B2 JP 3600280B2 JP 27792594 A JP27792594 A JP 27792594A JP 27792594 A JP27792594 A JP 27792594A JP 3600280 B2 JP3600280 B2 JP 3600280B2
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surface side
machine frame
wall surface
drawing surface
tip
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JPH08131922A (en
Inventor
敬之 須田
伸 石沢
彰啓 北村
直人 大山
靖一 大森
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Navitas Co Ltd
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Navitas Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/005Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 mounted on vehicles or designed to apply a liquid on a very large surface, e.g. on the road, on the surface of large containers

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Description

【0001】
【産業上の利用分野】
本発明は、画像を建物の外壁面や広告塔の表面に遠隔操作で描画するための高所自動描画装置に関する。
【0002】
【従来の技術】
従来の自動描画機構として、特開平1−110159号公報に紹介されているものがあるが、これは原画像の各画素の位置及び色に対応したスプレーガンヘッドの3次元駆動信号及びインク噴射制御信号を発生する制御手段機構、並びに、壁面等の被印刷対象面に対し、上記スプレーガンヘッドを3次元的に移動可能に支持する支持手段と、上記3次元駆動信号により、上記スプレーガンヘッドを駆動すると共に、上記制御信号に応答してスプレーガンヘッドからインクジェットを上記対象面に吹き付ける駆動手段とを備えた自動描画機構等から構成されたことを特徴とするものである。
この従来の自動描画機構は、平地に据付けして使用するものであるが、これを壁の高所位置に吊上げて描画することは、風による横揺れが生じるため困難視されていた。
【0003】
しかしながら、特公昭64−47473号公報において、図8に示す如く、壁面の上方からロープを介して吊下げたガイドレールに組付けた吹付塗装機による塗装方法が開示されているが、その方法における風に対する横揺防止策としては、ファンが具備され、そのファンを作動させてその吹付塗装機をガイドレールに押圧し、その押圧力によってガイドレールを壁面に当接させることにより、所定位置に固定するものである。
従来の自動描画機構を、ファンの作動による推力によって壁面に押圧固定した場合、ファンの回転によって描画装置が振動し、その振動が描画ノズルの繊細な作動及びインクの繊細な流れ等を阻害し、故障の原因となる。
【0004】
従来、建物の外壁面や広告塔の高所に画像を描画する場合には、予め建物や広告塔に沿って足場を組み、その足場を作業床として用い、画像を壁面に描画するか、または地表において作成した描画図を壁面に張付けることにより描画画像を作成していた。
しかしながら、このような足場を設置すると、その後これを撤去しなければならず、多くの労力と工期を必要とするという問題があった。また、人手による描画は、多くの手間が掛かり、多大な作業時間を要するという問題があるとともに、巨大な画像の場合には繊細な画像を得ることが困難であるという問題があった。更に、足場の設置及び解体、並びに足場状での画像描画作業は、安全性の面からも格別な注意が必要であるという問題もあった。
以上の事情から、従来の自動描画機構を高所に吊上げて描画することが切望されていた。
【0005】
本発明は、屋外でクレーン作業を安全に行うことができる風速状態(一般的に10m/秒以下)においては、風による横揺れを防止するに必要な力はそれほど大きなものでなく、従来から用いられている真空ポンプによる吸引力を用いた吸盤を用いて壁面に吸着させる方法を用いなくとも、壁面の凹凸、平坦等の性状に適合した単純な掛合方法でもって、波板、折版、パネル、コンクリート等について横揺れを防止することができることを知見したことによりなされたものである。
【0006】
【発明が解決しようとする課題】
本発明は、上述したように足場を使用することなく画像を建物の外壁面や広告塔の表面の高所に確実かつ容易に描画することが可能な自動描画装置を提供することを目的とする。
【0007】
【課題を解決するための手段】
本発明の要旨は、次の通りである
(1)機枠の内側に描画ノズルを壁面に倣い移動自在に設けた該機枠の描画面側に、エア溜り管の外面に直列して岐管を複数個設け、その各々の岐管の先端にゴム袋を各々のゴム袋の先端が一直線に位置するように密着固定してなり壁面に当接する横揺防止装置を描画面側に該ゴム袋の先端を突設して具備して設け、かつ、該機枠を描画面側下辺を描画面側に傾斜させて懸吊することを特徴とする高所自動描画装置。
(2)機枠の内側に描画ノズルを壁面に倣い移動自在に設けた該機枠の描画面側に、ブロックに直列して挿通する複数個のピンを設け、その各々のピンには片側端に抜け止めを他側端に突当部を備え、該突当部側に鍔を備え、その鍔と該ブロックの間に圧縮スプリングを備えることによって、該突当部を該ブロックから常時突出してなり壁面に当接する横揺防止装置を、描画面側に該ピンの片側端を突設して具備して設け、かつ、該機枠を描画面側下辺を描画面側に傾斜させて懸吊することを特徴とする高所自動描画装置
(3)機枠の内側に描画ノズルを壁面に倣い移動自在に設けた該機枠の描画面側に、直列した複数個の棒状のゴムの片側端をほぼ一直線に位置させ、他側端をブロックに植設してなり壁面に当接する横揺防止装置を、描画面側に該ゴムの片側端を突設して具備して設け、かつ、該機枠を描画面側下辺を描画面側に傾斜させて懸吊することを特徴とする高所自動描画装置
(4)機枠の内側に描画ノズルを壁面に倣い移動自在に設けた該機枠の描画面側に、解放側がスポンジ又は軟質ゴム等の弾性体で構成された椀状体の底に、該椀状体内と連通したT字状管の枝管を植設してなり壁面に当接する横揺防止装置を、描画面側に該弾性体の先端を突設して具備して設け、かつ、該機枠を描画面側下辺を描画面側に傾斜させて懸吊することを特徴とする高所自動描画装置
【0008】
【作用】
描画機構を組み込んだ機枠自体を傾斜懸吊すると共に、描画対象面側に当接する横揺防止装置を有しているため、本発明の高所自動描画装置では、描画対象面に対し最も好適な状態で接することになり、風の影響に十分抗し得る程度の密着力を発揮する。
また、横揺防止装置として例示した請求項1〜4に記載したものは、いずれも実用性が高く、かつ、凹部または凸部を有してなる波板、折版、パネル、タイル等で構成された壁面に対し、本発明を容易に適用可能としている。しかも、場合によっては平面壁に対しても十分に横揺防止機能を発揮することができる。
【0009】
【実施例】
以下本発明を図面に示す実施例に基づいて説明する。
図1は、本発明の高所自動描画装置1を用いて描画している図であり、その高所自動描画装置1は、描画ノズル46の先端を壁面7に向けた状態で、クレーン車4のブーム5の先端にワイヤロープ3により吊下げられ、その壁面7の高所位置における描画対象面の前面に位置している。
【0010】
本発明の高所自動描画装置1は、図2に示すように、平地に据え付けて使用する従来の自動描画機構2を描画面側に横揺防止装置18の先端を描画6面側に突出させて、及び吊ワイヤロープ17を上部に設けてなる機枠12、描画6を監視調査するモニタ機構10、描画6の原稿を記憶したパソコン8、描画6像の各画素の位置及び色に対応した描画ノズル46の3次元駆動信号及びインク噴射制御信号を発生するコントローラ9、自動描画機構2や横揺防止装置18を駆動するために必要な圧縮空気を圧送するコンプレッサ11、圧縮空気を圧送するエアホース19、及びコントローラ9から自動描画機構2に制御信号を送る送信ケーブル20等から構成されてなるものである。
【0011】
自動描画機構2は、描画6対象面と平行して対向した一対の支柱13、これらの支柱13に沿ってラック・ピニオン機構16等で上下動するサドル14及びそのサドル14に沿って同様のラック・ピニオン機構で左右に移動するペンユニット15等から構成される。
ペンユニット15は、描画6対象面に対し、パソコン8に記憶されている原画像の各画素の位置及び色に対応して駆動する描画ノズル46機構、インク噴射機構及びこれらの制御機構等から構成される。
【0012】
本発明の高所自動描画装置1は、その吊ワイヤロープ17が単に空中に吊上げた時、その下部が描画6対象面側に突出した状態で少し傾くように重心位置と関連して該高所自動描画装置1に結合されているので、その突当部を壁面7に吊し当てた状態でブーム5を壁面7側に押し出すことによって、その壁面7の描画6対象面に対し、描画ノズル46先端の移動範囲面を平行に位置させた状態で描画6対象面に押圧される。
【0013】
横揺防止装置18は、機枠の描画面側に2箇所以上固着することが望ましい。従って、高所位置の壁面7に平行して高所自動描画装置1を当接した後は、前述の押圧力により生じている横揺れ抵抗力と相俟って、機枠に設けた横揺防止装置18が作動しているため、横風を受けても揺れることがない。これにより平地における自動描画機構2による操作要領でもって壁面7の高所位置においても同様に描画することができる。
【0014】
次に、図3、図4、図5、図6及び図7は、壁面7の描画6対象面が大波板21で形成されている場合に適用する横揺防止装置18の種々の態様と、風によって高所自動描画装置1が揺れないように横揺防止装置18が作用している状況を示す図である。
【0015】
図3の横揺防止装置18aは、エア溜り管22の外側に直列して岐管48を複数個設け、その各々の岐管48の先にゴム袋24をエア溜り管22のエア圧によって、そのゴム袋24の先端52が略一直線に位置するように密着固定したものである。23はエア供給パイプである。
【0016】
図4は、大波板21で構成された壁面7に図3の横揺防止装置18aが該大波板21の凹部に掛合している状態を示す断面図である。図示する如く、横揺防止装置18aは、壁面7に沿って風が吹き高所自動描画装置1を揺動させようとする力が作用しても、ゴム袋24の先端52が壁面7の外側形状に倣って変形し、壁面7の凹部36に引掛かっているので高所自動描画装置1は揺れない。
【0017】
横揺防止装置18aは、図示の大波板21に限らず、凹部または凸部を有してなる折版、パネル、タイル等で構成された壁面7に対しても同様に適用することができる。
尚、エア圧力はゴム袋24の先端が壁面7の表面形状に倣って変形することができる程度の圧力を用いる。また、横揺防止装置18aは横風力に耐える数のゴム袋24を必要とするため、機枠12の描画6対象面側に2個以上固着しておくことが好ましい。
【0018】
次に、図5に示す横揺防止装置18bは、ブロック30に直列して挿通する複数個のピン25を設け、その各々のピン25には片側端に抜け止め29を他側端に突当部31を備え、突当部31側に鍔26を及びその鍔26とブロック30の間に圧縮スプリング27を介在させることによって、突当部31をブロック30から常時突出させて構成したものである。
【0019】
この横揺防止装置18bは、壁面7に沿って風が吹き、高所自動描画装置1を揺れ動かそうとする力が作用しても、ピン25が図5に示す如く、壁面7の外面形状に倣って押圧し、壁面7の凹部36に引掛かっているので、高所自動描画装置1が揺れないようにすることができる。
また、該横揺防止装置18bは、図示の大波板21に限らず、凹部または凸部を有してなる折版、パネル、タイル等で構成された壁面7に対しても同様に適用することができる。
尚、横揺防止装置18bは、機枠12の描画6対象面側に2個以上固着しておくことが好ましい。
【0020】
さらに、図6に示す横揺防止装置18cは、直列した多数個の棒状のゴム33の片側端を略平面状にそろえ、他端35をブロック32に植設してなるものである。この横揺防止装置18cは、壁面7に沿って風が吹き、高所自動描画装置1を揺れ動かそうとする力が作用しても、棒状のゴム33の先端34の位置が図6に示す如く、壁面7の外面形状に倣って押圧し、その棒状のゴム33の先端34が壁面7の凹部36に引掛かっているので、高所自動描画装置1が揺れないようにすることができる。
該横揺防止装置18cも、大波板21に限らず、凹部または凸部を有してなる折版、パネル、タイル等で構成された壁面7に対しても同様に適用することができる。
尚、横揺防止装置18cは、機枠12の描画6対象面側に2個以上固着しておくことが好ましい。
【0021】
図7はさらに別態様の横揺防止装置18dを示すもので、スポンジ又は軟質ゴム等の弾性体38で形成された椀状体37の底にT字状管41の枝管42を植設したものである。
この横揺防止装置18dは、壁面7に沿って風が吹き、高所自動描画装置1を揺れ動かそうとする力が作用しても、スポンジ又は軟質ゴム等の弾性体38の先端部53が図7に示す如く、壁面7の外面形状に倣って変形し、壁面7の凹部36に嵌合しているので、高所自動描画装置1を揺れないようにすることができる。
【0022】
さらに、圧縮空気43をT字状管41の直管の一端54から圧入し、他端55から放散させることによって、椀状体37内の空気44の一部を枝管42を通ってその他端55から放出させ、椀状体37内外に生じた気圧差でもって椀状体37を壁面7に押し付けるように構成することも可能である。
該横揺防止装置18dは、弾性体38の先端形状を壁面7の表面形状に合わせておくことにより、大波板や折版については凹部との掛合によるほか吸引力による抵抗も加味されて、横風力に耐える。
【0023】
また、図7のタイプの横揺防止装置18dは、パネル壁やコンクリート壁のように平坦であって掛合が困難な平面壁に対し適用しても、吸引力によって横風力に耐えることができる。従って、横揺防止装置18dは、高所自動描画装置1の風による横揺れをより一層強く防止することができる。
尚、横揺防止装置18dは、機枠12の描画6対象面側に2個以上固着しておくことが好ましい。
【0024】
高所自動描画装置1は、その前面上部が前面下部より壁面7から離れて傾いて吊下げられるから、描画6位置上部に軒先等の突起物があっても、その突起長さが壁と描画ノズル46の間の必要な距離を確保したとき、ブーム5の先端から繰り出されているワイヤロープ3が干渉しない範囲内であれば描画することができる。
また、高所自動描画装置1は、描画6対象面の前に電柱や植木等が立っていても、壁面7と電柱や植木との距離が高所自動描画装置1の奥行き範囲以上であれば、その範囲の上方から降下させることができるので描画が可能となる。
【0025】
なお、風圧を受けても安定状態で診断作業を行うために、吸盤を設けた移動式壁面診断作業装置が特開平4−258741号公報において開示されているが、この作業装置は、図9に示す如く、吸盤を壁面に当接し、その吸盤に取り付けられた送排気口に吸引ホースの一端部が接続され、その吸引ホースの他端部は真空ポンプに接続されたものである。
前記移動式壁面診断作業装置は、壁面が平坦である場合には気密性が確保され、その吸盤はその内部を真空ポンプで排気することによって壁面に吸着する。しかし、壁の表面は経年変化によって劣化し、徐々に剥がれやすくなって行くものであるため、壁面に真空ポンプによって吸盤を吸着すれば、吸着部分の壁面には引剥力が強く作用し、損傷するおそれがある。
【0026】
本発明における横揺防止装置18は、椀状体37内を真空にするものでなく、空気44の流れによって生じる減圧現象を椀状体37内に発生させ、発生した椀状体37内外の圧力差でもって椀状体37を壁表面に押付けるもので、押付け面の横ずれ抵抗を以て風圧に抗し、本発明の高所自動描画装置の横揺れを防止するものである。
【0027】
吸盤式は、常時壁に吸着して引剥力が強く作用しているのに対し、本発明における横揺防止装置18dは、エジェクタ方式による減圧のため椀状体37の減圧範囲内における吸着力は、真空式ほど強くなく、風が吹いたときのみに壁に横ずれ力が作用し、その横ずれ力は壁面7をこする方向の力であり、壁面7を損傷させにくいという特徴がある。
【0028】
また、本発明における横揺防止装置18dは、椀状体37の先端がスポンジや軟質ゴム等で構成されているため、壁面7が平面でなくても外面形状に倣って変形し椀状体37内外をシールするので、平坦でない壁面7に対しても適用可能である。
また、壁面7の描画6対象面が、凹部36がなく平坦である場合には、高所自動描画装置1は、前述の如く、もともと壁面7に押圧されており、その押圧部は横揺防止装置18dの突当部56先端であるから、押圧力による乗吊荷重を受けて大きな押圧力が発生している。
【0029】
高所自動描画装置1は、その構造の特性上、描画面広さに比して厚さが薄いため側面積が小さいので、インク噴射が可能な程度の風による横揺れ力は、大きな方ではない。従って、図4、図5、図6及び図7における押圧部先端の摩擦力でも横揺れを十分に防止することができる。
【0030】
壁の高所位置をブームの先端に直接取り付けた塗装機で塗装する装置が特公平3−46862号公報、特開昭61−61662号公報に開示されているが、これらの装置は、図10及び図11に示す如く、描画対象面の前方には、通常電柱・電線、建物、植木及び花壇等が所在し、これらが邪魔になって描画対象位置の直前に近付くことができない。
【0031】
従って、このようなブーム5の先端に直接取り付けて使用する方法は実用的ではない。これに対し本発明の高所自動描画装置1は、ブーム5の先端に直接取り付けずに、ブーム5先端からまずワイヤロープ3を吊り降ろし、このロープによって吊り下げて使用するものであるため、電柱・電線、建物、植木及び花壇等越しに描画対象位置の直前に吊り降ろすことができる。また、風が吹いても、前述の横揺防止装置18の作用によって、横揺れが生じないから、壁の高所位置に繊細な描画6を施すことが可能となる。
【0032】
【発明の効果】
本発明の高所自動描画装置は以上の構成であるから、足場を築造することなく、画像を建物の外壁面や広告塔の表面の高所に安価に、早く、繊細に描画することができることとなった。従って、町並みの景観の向上が期待できる。
【図面の簡単な説明】
【図1】本発明の高所自動描画装置を用いて描画している概要図である。
【図2】本発明の高所自動描画装置の実施例を示す斜視図である。
【図3】本発明において用いる横揺防止装置の1態様を示す斜視図である。
【図4】図3の装置の使用状況を示す断面図である。
【図5】本発明において用いる横揺防止装置の他の態様と使用状況を示す斜視図である。
【図6】本発明において用いる横揺防止装置の別の態様と使用状況を示す斜視図である。
【図7】本発明において用いる横揺防止装置のさらに別の態様と使用状況を示す斜視図である。
【図8】ロープ降下式塗装機における従来の横揺防止装置の図である。
【図9】ロープ降下式塗装機における従来の横揺防止装置の図である。
【図10】ブームの先端に塗装機を直接取付けた従来の高所と槽装置の図である。
【図11】ブームの先端に塗装機を直接取付けた従来の高所と槽装置の図である。
【符号の説明】
1 高所自動描画装置 2 自動描画機構
3 ワイヤロープ 4 クレーン車
5 ブーム 6 描画
7 壁面 8 パソコン
9 コントローラ 10 モニタ
11 コンプレッサ 12 機枠
13 支柱 14 サドル
15 ペンユニット 16 ラック・ピニオン機構
17 吊ワイヤロープ 18 横揺防止装置
19 エアホース 20 送信ケーブル
21 大波板 22 エア溜り管
23 パイプ 24 ゴム袋
25 ピン 26 鍔
27 圧縮スプリング 28 孔
29 抜け止め 30,32 ブロック
31,56 突当部 33 棒状ゴム
34 棒状ゴム先端 35 棒状ゴム他端
36 凹部 37 椀状体
38 スポンジ又は軟質ゴム等の弾性体
41 T字状管 42 枝管
43 圧縮空気 44 空気
45 排出空気 46 描画ノズル
48 岐管
[0001]
[Industrial applications]
The present invention relates to a high-altitude automatic drawing apparatus for remotely drawing an image on an outer wall surface of a building or a surface of an advertising tower.
[0002]
[Prior art]
A conventional automatic drawing mechanism is disclosed in Japanese Patent Application Laid-Open No. 1-110159, which is a three-dimensional drive signal of a spray gun head and an ink ejection control signal corresponding to the position and color of each pixel of an original image. Control means for generating the above, and supporting means for supporting the spray gun head in a three-dimensionally movable manner with respect to a surface to be printed such as a wall surface, and driving the spray gun head by the three-dimensional drive signal. And a driving means for spraying an ink jet from a spray gun head onto the target surface in response to the control signal.
This conventional automatic drawing mechanism is installed and used on a flat ground, but it is considered difficult to draw it by lifting it at a high position on a wall due to wind-induced lateral sway.
[0003]
However, Japanese Patent Publication No. 64-47473 discloses a coating method using a spray coating machine mounted on a guide rail suspended from above a wall surface via a rope as shown in FIG. As a measure to prevent rolling against the wind, a fan is provided, and the fan is operated to press the spray coating machine against the guide rail, and the guide rail is abutted against the wall by the pressing force, thereby fixing the spray painting machine at a predetermined position. Is what you do.
When the conventional automatic drawing mechanism is pressed and fixed to the wall by the thrust by the operation of the fan, the drawing device vibrates due to the rotation of the fan, and the vibration hinders the delicate operation of the drawing nozzle and the delicate flow of ink, Failure to do so may result.
[0004]
Conventionally, when drawing an image on the outer wall of a building or a high place of a billboard, a scaffold is assembled in advance along the building or the billboard, and the scaffold is used as a work floor, and the image is drawn on the wall, or A drawing image was created by attaching a drawing created on the ground surface to a wall surface.
However, when such a scaffold is installed, the scaffold must be removed after that, and there has been a problem that much labor and construction time are required. In addition, drawing manually requires a lot of time and labor, and also has a problem that it is difficult to obtain a delicate image in the case of a large image. Furthermore, there is also a problem that the installation and dismantling of the scaffold and the image drawing work in the form of a scaffold require special attention from the viewpoint of safety.
Under the circumstances described above, it has been desired to draw a conventional automatic drawing mechanism by lifting it at a high place.
[0005]
According to the present invention, in a wind speed state where the crane operation can be safely performed outdoors (generally, 10 m / sec or less), the force required to prevent the roll from being caused by the wind is not so large, and is conventionally used. Corrugated plates, folded plates, panels, etc., using a simple hooking method that is suitable for the unevenness of the wall surface, flatness, etc., without using the method of sucking on the wall surface using the suction cup using the suction force of the vacuum pump It has been made based on the finding that rolling of concrete and the like can be prevented.
[0006]
[Problems to be solved by the invention]
An object of the present invention is to provide an automatic drawing apparatus that can reliably and easily draw an image on an outer wall of a building or on a high surface of a billboard without using a scaffold as described above. .
[0007]
[Means for Solving the Problems]
The gist of the present invention is as follows .
(1) A plurality of manifolds are provided in series with the outer surface of the air reservoir on the drawing surface side of the machine frame in which a drawing nozzle is movably provided following the wall surface inside the machine frame . A rubber bag is tightly fixed at the tip so that the tip of each rubber bag is located in a straight line, and a roll prevention device that comes into contact with a wall surface is provided by protruding the tip of the rubber bag on the drawing surface side. And an apparatus for automatically drawing high places, wherein the machine frame is suspended with the lower side of the drawing surface side inclined toward the drawing surface side.
(2) A plurality of pins that are inserted in series with the block are provided on the drawing surface side of the machine frame in which a drawing nozzle is movably provided following a wall surface inside the machine frame. A stopper is provided at the other end with a stopper, a flange is provided on the side of the stopper, and a compression spring is provided between the flange and the block so that the stopper always projects from the block. A roll-prevention device that abuts against the wall surface, provided with one end of the pin protrudingly provided on the drawing surface side, and suspending the machine frame with the lower side of the drawing surface side inclined toward the drawing surface side. A high-altitude automatic drawing apparatus .
(3) On the drawing surface side of the machine frame provided with a drawing nozzle movably following the wall surface inside the machine frame, one end of a plurality of bar-shaped rubbers in series is positioned substantially in a straight line, and the other end is An anti-rolling device, which is implanted in a block and abuts against a wall surface, is provided with one end of the rubber protrudingly provided on the drawing surface side, and the machine frame is provided with the lower side of the drawing surface side on the drawing surface side. An automatic drawing apparatus for high places, characterized by being suspended at an angle .
(4) On the drawing surface side of the machine frame in which the drawing nozzle is movably provided following the wall surface inside the machine frame, the open side is provided on the bottom of a bowl-shaped body made of an elastic body such as sponge or soft rubber. An anti-rolling device in which a branch pipe of a T-shaped pipe communicating with the bowl-shaped body is implanted and which comes into contact with a wall surface is provided by protruding the tip of the elastic body on the drawing surface side, and An automatic high-altitude drawing apparatus, wherein the machine frame is suspended with the lower side of the drawing surface inclined toward the drawing surface .
[0008]
[Action]
Since the machine frame incorporating the drawing mechanism is tilted and suspended and has a roll prevention device that abuts on the drawing target surface side, the automatic high-altitude drawing device of the present invention is most suitable for the drawing target surface. It comes into contact in a state where it is in a good condition, and exerts an adhesive strength that can sufficiently withstand the effects of wind.
In addition, the devices described in claims 1 to 4 exemplified as the anti-rolling device are all highly practical and are composed of corrugated plates, folding plates, panels, tiles, etc. having concave portions or convex portions. The present invention can be easily applied to the provided wall surface. Moreover, in some cases, the anti-rolling function can be sufficiently exerted even on a flat wall.
[0009]
【Example】
Hereinafter, the present invention will be described based on embodiments shown in the drawings.
FIG. 1 is a drawing in which an automatic altitude drawing apparatus 1 of the present invention is used for drawing. The automatic altitude drawing apparatus 1 has a crane truck 4 with a tip of a drawing nozzle 46 facing a wall surface 7. Is suspended by the wire rope 3 at the tip of the boom 5, and is located in front of the drawing target surface at a high position on the wall surface 7.
[0010]
As shown in FIG. 2, the automatic height drawing apparatus 1 of the present invention has a conventional automatic drawing mechanism 2 installed and used on a flat ground, with the tip of the anti-rolling device 18 protruding toward the drawing surface side toward the drawing surface side. And a monitor mechanism 10 for monitoring and examining the drawing 6, a personal computer 8 storing an original of the drawing 6, and a position and color of each pixel of the 6 drawing images. A controller 9 for generating a three-dimensional drive signal for the drawing nozzle 46 and an ink ejection control signal, a compressor 11 for pumping compressed air necessary for driving the automatic drawing mechanism 2 and the anti-roll device 18, and an air hose for pumping compressed air 19, and a transmission cable 20 for transmitting a control signal from the controller 9 to the automatic drawing mechanism 2.
[0011]
The automatic drawing mechanism 2 includes a pair of columns 13 facing in parallel with the drawing 6 target surface, a saddle 14 that moves up and down by a rack and pinion mechanism 16 and the like along the columns 13, and a similar rack along the saddle 14. -It is composed of a pen unit 15 and the like that moves left and right by a pinion mechanism.
The pen unit 15 includes a drawing nozzle mechanism, an ink ejecting mechanism, and a control mechanism for driving the drawing surface corresponding to the position and color of each pixel of the original image stored in the personal computer 8 with respect to the drawing 6 target surface. Is done.
[0012]
When the hanging wire rope 17 is simply lifted in the air, the lower part of the automatic drawing apparatus 1 of the present invention is tilted slightly with its lower part protruding toward the drawing target surface 6 in relation to the position of the center of gravity. Since the boom 5 is pushed to the wall surface 7 while the abutting portion is hung on the wall surface 7, the drawing nozzle 46 is attached to the drawing surface of the wall surface 7. The tip 6 is pressed against the drawing 6 target surface in a state where the movement range surface of the tip is positioned in parallel.
[0013]
It is desirable that two or more anti-rolling devices 18 are fixed to the drawing surface side of the machine frame. Therefore, after the high-altitude automatic drawing apparatus 1 is brought into contact with the wall 7 at a high position, the rolling resistance provided by the above-described pressing force is combined with the rolling resistance provided on the machine frame. Since the prevention device 18 is operated, it does not shake even when it receives a cross wind. Thus, the drawing can be similarly performed at a high position on the wall surface 7 according to the operation procedure of the automatic drawing mechanism 2 on a flat ground.
[0014]
Next, FIGS. 3, 4, 5, 6, and 7 show various aspects of the anti-rolling device 18 applied when the drawing 6 target surface of the wall surface 7 is formed by the large corrugated plate 21. FIG. 3 is a diagram illustrating a situation in which the anti-rolling device 18 is acting so that the high-altitude automatic drawing device 1 is not shaken by wind.
[0015]
The anti-rolling device 18a shown in FIG. 3 is provided with a plurality of branches 48 in series outside the air reservoir 22, and the rubber bag 24 is placed at the tip of each branch 48 by the air pressure of the air reservoir 22. The rubber bag 24 is closely fixed so that the tip 52 of the rubber bag 24 is positioned substantially in a straight line. 23 is an air supply pipe.
[0016]
FIG. 4 is a cross-sectional view showing a state in which the anti-rolling device 18 a of FIG. 3 is engaged with the concave portion of the large corrugated plate 21 on the wall surface 7 formed by the large corrugated plate 21. As shown in the figure, the anti-rolling device 18a allows the tip 52 of the rubber bag 24 to move out of the wall surface 7 even if a wind blows along the wall surface 7 and a force to swing the high-altitude automatic drawing device 1 acts. Since it is deformed according to the shape and is hooked on the concave portion 36 of the wall surface 7, the automatic high-altitude drawing device 1 does not shake.
[0017]
The anti-rolling device 18a is not limited to the illustrated large corrugated plate 21, and can be similarly applied to the wall surface 7 including a folded plate, a panel, a tile, or the like having a concave portion or a convex portion.
The air pressure is such that the tip of the rubber bag 24 can be deformed following the surface shape of the wall surface 7. Further, since the anti-rolling device 18a requires a number of rubber bags 24 that can withstand the lateral wind force, it is preferable that two or more rubber bags 24 be fixed to the drawing target surface side of the machine frame 12.
[0018]
Next, the anti-rolling device 18b shown in FIG. 5 is provided with a plurality of pins 25 that are inserted in series with the block 30, and each of the pins 25 has a stopper 29 at one end and abuts against the other end. A portion 31 is provided, and the abutment portion 31 is always protruded from the block 30 by interposing a flange 26 on the abutment portion 31 side and a compression spring 27 between the flange 26 and the block 30. .
[0019]
The anti-rolling device 18b has a configuration in which the pin 25 causes the outer shape of the wall surface 7 to move as shown in FIG. , And is hooked on the concave portion 36 of the wall surface 7, so that the automatic high-altitude drawing apparatus 1 can be prevented from shaking.
In addition, the anti-rolling device 18b is not limited to the large corrugated plate 21 shown in the drawing, and is similarly applied to the wall surface 7 formed of a folded plate, a panel, a tile, or the like having a concave portion or a convex portion. Can be.
It is preferable that two or more anti-rolling devices 18b are fixed to the drawing object 6 side of the machine frame 12 in advance.
[0020]
Further, in the anti-rolling device 18c shown in FIG. 6, one end of a plurality of rod-shaped rubbers 33 arranged in series is arranged substantially in a plane, and the other end 35 is planted in the block 32. In the anti-rolling device 18c, the position of the tip 34 of the rod-shaped rubber 33 is shown in FIG. 6 even when the wind blows along the wall surface 7 and a force to swing the automatic high-altitude drawing device 1 acts. As described above, the pressing is performed according to the outer surface shape of the wall surface 7, and the tip 34 of the rod-shaped rubber 33 is hooked on the concave portion 36 of the wall surface 7, so that the high-altitude automatic drawing apparatus 1 can be prevented from shaking.
The anti-rolling device 18c can be applied not only to the large corrugated plate 21 but also to the wall surface 7 composed of a folded plate, a panel, a tile, or the like having a concave portion or a convex portion.
It is preferable that two or more anti-rolling devices 18c are fixed to the drawing 6 target surface side of the machine frame 12.
[0021]
FIG. 7 shows an anti-rolling device 18d according to still another embodiment, in which a branch pipe 42 of a T-shaped pipe 41 is planted at the bottom of a bowl 37 formed of an elastic body 38 such as sponge or soft rubber. Things.
This anti-rolling device 18d allows the tip 53 of the elastic body 38 such as sponge or soft rubber to be applied even when a wind is blown along the wall surface 7 and a force to shake the high-altitude automatic drawing device 1 acts. As shown in FIG. 7, since it is deformed according to the outer surface shape of the wall surface 7 and is fitted in the concave portion 36 of the wall surface 7, the automatic high-altitude drawing apparatus 1 can be prevented from shaking.
[0022]
Further, the compressed air 43 is press-fitted from one end 54 of the straight pipe of the T-shaped pipe 41 and diffused from the other end 55, so that a part of the air 44 in the bowl 37 is passed through the branch pipe 42 to the other end. It is also possible that the bowl-shaped body 37 is pressed against the wall surface 7 by the pressure difference generated inside and outside the bowl-shaped body 37 by discharging the bowl-shaped body 37.
The anti-rolling device 18d is configured such that the tip shape of the elastic body 38 is adjusted to the surface shape of the wall surface 7 so that the large corrugated plate and folded plate are not only engaged with the concave portions but also added with resistance due to suction force. Withstand the wind.
[0023]
The anti-rolling device 18d of the type shown in FIG. 7 can withstand a wind force by suction even when applied to a flat wall such as a panel wall or a concrete wall which is difficult to engage. Therefore, the anti-rolling device 18d can more strongly prevent the rolling of the automatic high-altitude drawing device 1 due to the wind.
It is preferable that two or more anti-rolling devices 18d are fixed to the drawing frame 6 side of the machine frame 12 in advance.
[0024]
The automatic high-altitude drawing device 1 is suspended with its front upper part being inclined away from the wall 7 from the front lower part. Therefore, even if there are projections such as eaves at the upper part of the drawing 6, the projection length is equal to that of the wall. When the necessary distance between the nozzles 46 is ensured, drawing can be performed within a range where the wire rope 3 extended from the tip of the boom 5 does not interfere.
In addition, even when a telephone pole or a tree plant stands in front of the drawing target surface, if the distance between the wall surface 7 and the telephone pole or the tree plant is equal to or greater than the depth range of the automatic height drawing apparatus 1, Can be drawn from above the range, so that drawing can be performed.
[0025]
In order to perform a diagnosis operation in a stable state even when receiving a wind pressure, a movable wall diagnosis operation device provided with a suction cup is disclosed in Japanese Patent Laid-Open No. 4-258741, and this operation device is shown in FIG. As shown in the drawing, the suction cup is brought into contact with a wall surface, one end of a suction hose is connected to an air supply / exhaust port attached to the suction cup, and the other end of the suction hose is connected to a vacuum pump.
When the wall surface is flat, the airtightness of the movable wall surface diagnosis work device is ensured, and the suction cup is sucked on the wall surface by evacuating the inside with a vacuum pump. However, since the surface of the wall deteriorates over time and gradually becomes easily peeled off, if the suction cup is sucked by the vacuum pump on the wall, the peeling force acts strongly on the wall of the suction part, causing damage. There is a possibility that.
[0026]
The anti-rolling device 18 according to the present invention does not vacuum the inside of the bowl 37, but generates a pressure reduction phenomenon caused by the flow of the air 44 in the bowl 37, and generates the pressure inside and outside the bowl 37. The bowl-like body 37 is pressed against the wall surface by the difference, and resists the wind pressure due to the lateral displacement resistance of the pressed surface, thereby preventing the automatic high-altitude drawing apparatus of the present invention from rolling.
[0027]
In the suction cup type, the anti-rolling device 18d according to the present invention uses the ejector method to reduce the suction force within the reduced pressure range of the bowl-shaped body 37 due to the ejector method. Is not as strong as the vacuum type, and a lateral displacement force acts on the wall only when the wind blows, and the lateral displacement force is a force in the direction of rubbing the wall surface 7, and is characterized in that the wall surface 7 is hardly damaged.
[0028]
In addition, since the tip of the bowl-shaped body 37 is made of sponge, soft rubber, or the like, the anti-rolling device 18d according to the present invention is deformed according to the outer surface shape even if the wall surface 7 is not a flat surface. Since the inside and outside are sealed, the present invention can be applied to an uneven wall surface 7.
In addition, when the drawing 6 target surface of the wall surface 7 is flat without the concave portion 36, the automatic high-altitude drawing device 1 is originally pressed against the wall surface 7 as described above, and the pressed portion is prevented from rolling. Since it is the tip of the abutting portion 56 of the device 18d, a large pressing force is generated by receiving a riding load due to the pressing force.
[0029]
The high-altitude automatic drawing apparatus 1 has a small side area due to its structure having a small thickness compared to the width of the drawing surface. Absent. Therefore, the roll can be sufficiently prevented by the frictional force at the distal end of the pressing portion in FIGS. 4, 5, 6, and 7.
[0030]
Japanese Patent Application Publication No. 3-46862 and Japanese Patent Application Laid-Open No. 61-61662 disclose apparatuses for coating a high position of a wall with a coating machine directly attached to the end of a boom. In addition, as shown in FIG. 11, in front of the drawing target surface, there are usually utility poles / wires, buildings, plants, flower beds, and the like, which cannot be approached immediately before the drawing target position because they interfere.
[0031]
Therefore, such a method of directly attaching to and using the end of the boom 5 is not practical. On the other hand, the automatic high-altitude drawing device 1 of the present invention uses the wire rope 3 that is first suspended from the end of the boom 5 without being directly attached to the end of the boom 5 and is used by being suspended by the rope. -It can be suspended just before the drawing target position over electric wires, buildings, plants and flower beds. Further, even if the wind blows, since the roll does not occur due to the action of the roll prevention device 18, the delicate drawing 6 can be performed at a high position on the wall.
[0032]
【The invention's effect】
Since the high-altitude automatic drawing apparatus of the present invention has the above configuration, it is possible to inexpensively, quickly, and delicately draw an image on a high place on the outer wall surface of a building or the surface of a billboard without building a scaffold. It became. Therefore, the improvement of the townscape can be expected.
[Brief description of the drawings]
FIG. 1 is a schematic diagram of drawing using an automatic high-altitude drawing apparatus of the present invention.
FIG. 2 is a perspective view showing an embodiment of an automatic height drawing apparatus according to the present invention.
FIG. 3 is a perspective view showing one embodiment of a roll prevention device used in the present invention.
FIG. 4 is a cross-sectional view illustrating a use state of the device of FIG. 3;
FIG. 5 is a perspective view showing another aspect of the anti-rolling device used in the present invention and the state of use.
FIG. 6 is a perspective view showing another aspect of the roll prevention device used in the present invention and the state of use.
FIG. 7 is a perspective view showing still another aspect of the anti-rolling device used in the present invention and the state of use.
FIG. 8 is a diagram of a conventional anti-roll device in a rope descent type coating machine.
FIG. 9 is a diagram of a conventional anti-roll device in a rope descent type coating machine.
FIG. 10 is a view of a conventional altitude and tank apparatus in which a coating machine is directly attached to the tip of a boom.
FIG. 11 is a view of a conventional altitude and tank apparatus in which a coating machine is directly attached to the end of a boom.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Automatic drawing apparatus at high places 2 Automatic drawing mechanism 3 Wire rope 4 Crane truck 5 Boom 6 Drawing 7 Wall 8 Personal computer 9 Controller 10 Monitor 11 Compressor 12 Machine frame 13 Support 14 Saddle 15 Pen unit 16 Rack and pinion mechanism 17 Hanging wire rope 18 Roll prevention device 19 Air hose 20 Transmission cable 21 Large corrugated plate 22 Air reservoir tube 23 Pipe 24 Rubber bag 25 Pin 26 Flange 27 Compression spring 28 Hole 29 Retainer 30, 32 Block 31, 56 Butt 33 Rod rubber 34 Rod end 35 Other end of rod-shaped rubber 36 Depression 37 Cup-shaped body 38 Elastic body 41 such as sponge or soft rubber 41 T-shaped pipe 42 Branch pipe 43 Compressed air 44 Air 45 Exhausted air 46 Drawing nozzle 48 Branch pipe

Claims (4)

機枠の内側に描画ノズルを壁面に倣い移動自在に設けた該機枠の描画面側に、エア溜り管の外面に直列して岐管を複数個設け、その各々の岐管の先端にゴム袋を各々のゴム袋の先端が一直線に位置するように密着固定してなり壁面に当接する横揺防止装置を描画面側に該ゴム袋の先端を突設して具備して設け、かつ、該機枠を描画面側下辺を描画面側に傾斜させて懸吊することを特徴とする高所自動描画装置。A plurality of manifolds are provided in series with the outer surface of the air reservoir tube on the drawing surface side of the machine frame in which a drawing nozzle is movably provided following a wall surface inside the machine frame, and rubber is provided at the tip of each of the manifolds. The anti-rolling device, which is tightly fixed so that the tip of each rubber bag is positioned in a straight line and is in contact with the wall surface, is provided by projecting the tip of the rubber bag on the drawing surface side , and An automatic high-altitude drawing device, wherein the machine frame is suspended with the lower side of the drawing surface side inclined toward the drawing surface side. 機枠の内側に描画ノズルを壁面に倣い移動自在に設けた該機枠の描画面側に、ブロックに直列して挿通する複数個のピンを設け、その各々のピンには片側端に抜け止めを他側端に突当部を備え、該突当部側に鍔を備え、その鍔と該ブロックの間に圧縮スプリングを備えることによって、該突当部を該ブロックから常時突出してなり壁面に当接する横揺防止装置を、描画面側に該ピンの片側端を突設して具備して設け、かつ、該機枠を描画面側下辺を描画面側に傾斜させて懸吊することを特徴とする高所自動描画装置。 A plurality of pins that are inserted in series with the block are provided on the drawing surface side of the machine frame where the drawing nozzle is movably provided following the wall surface inside the machine frame, and each pin is retained at one end. The other end is provided with an abutting portion, a flange is provided on the abutting portion side, and a compression spring is provided between the flange and the block. An anti-rolling device is provided with one end of the pin protrudingly provided on the drawing surface side, and the machine frame is suspended with the lower side of the drawing surface side inclined toward the drawing surface side. high altitude automatic drawing device according to claim. 機枠の内側に描画ノズルを壁面に倣い移動自在に設けた該機枠の描画面側に、直列した複数個の棒状のゴムの片側端をほぼ一直線に位置させ、他側端をブロックに植設してなり壁面に当接する横揺防止装置を、描画面側に該ゴムの片側端を突設して具備して設け、かつ、該機枠を描画面側下辺を描画面側に傾斜させて懸吊することを特徴とする高所自動描画装置。 On the drawing surface side of the machine frame provided with a drawing nozzle movably following the wall surface inside the machine frame, one end of a plurality of rod-shaped rubbers in series is positioned substantially in a straight line, and the other end is planted in a block. An anti-rolling device, which is provided in contact with the wall surface, is provided with one end of the rubber protrudingly provided on the drawing surface side, and the machine frame is inclined at the lower side of the drawing surface side toward the drawing surface side. A high-altitude automatic drawing apparatus characterized by being suspended . 機枠の内側に描画ノズルを壁面に倣い移動自在に設けた該機枠の描画面側に、解放側がスポンジ又は軟質ゴム等の弾性体で構成された椀状体の底に、該椀状体内と連通したT字状管の枝管を植設してなり壁面に当接する横揺防止装置を、描画面側に該弾性体の先端を突設して具備して設け、かつ、該機枠を描画面側下辺を描画面側に傾斜させて懸吊することを特徴とする高所自動描画装置。 On the drawing surface side of the machine frame in which a drawing nozzle is movably provided following the wall surface inside the machine frame, the open side is at the bottom of a bowl-shaped body made of an elastic body such as sponge or soft rubber, An anti-rolling device having a branch pipe of a T-shaped pipe communicating with the frame and having a tip end of the elastic body protrudingly provided on the drawing surface side on the drawing surface side; Wherein the lower side of the drawing surface side is inclined to the drawing surface side and suspended .
JP27792594A 1994-11-11 1994-11-11 High-altitude automatic drawing equipment Expired - Fee Related JP3600280B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP27792594A JP3600280B2 (en) 1994-11-11 1994-11-11 High-altitude automatic drawing equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27792594A JP3600280B2 (en) 1994-11-11 1994-11-11 High-altitude automatic drawing equipment

Publications (2)

Publication Number Publication Date
JPH08131922A JPH08131922A (en) 1996-05-28
JP3600280B2 true JP3600280B2 (en) 2004-12-15

Family

ID=17590202

Family Applications (1)

Application Number Title Priority Date Filing Date
JP27792594A Expired - Fee Related JP3600280B2 (en) 1994-11-11 1994-11-11 High-altitude automatic drawing equipment

Country Status (1)

Country Link
JP (1) JP3600280B2 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101267644B1 (en) 2011-12-09 2013-05-24 박정규 Apparatus for remote controlling up/down position of auto printer
CN110976159A (en) * 2019-12-31 2020-04-10 三一海洋重工有限公司 Paint surface renewing apparatus and crane renewing method
CN110976159B (en) * 2019-12-31 2021-04-13 三一海洋重工有限公司 Paint surface renovating equipment and method for quayside crane

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