JP2014181527A - Lighting device of working machine - Google Patents

Lighting device of working machine Download PDF

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JP2014181527A
JP2014181527A JP2013057878A JP2013057878A JP2014181527A JP 2014181527 A JP2014181527 A JP 2014181527A JP 2013057878 A JP2013057878 A JP 2013057878A JP 2013057878 A JP2013057878 A JP 2013057878A JP 2014181527 A JP2014181527 A JP 2014181527A
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landing
cover
opening
lighting fixture
work
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JP5937535B2 (en
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Tetsuhiro Doi
哲弘 土井
Kensho Fujita
健昇 藤田
Yuji Maehara
裕二 前原
Fumiki Fukuda
史来 福田
Hideyuki Hamano
秀之 濱野
Tatsuya Yabe
達也 矢部
Shingo Someya
新吾 染谷
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Hitachi Construction Machinery Co Ltd
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Hitachi Construction Machinery Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a lighting device of a working machine which can easily perform maintenance work.SOLUTION: An upper swiveling body is installed at an upper end of a post. An opening 23 is formed at a stair landing 9 of the upper swiveling body or a stair landing formed at the post. A lighting fixture attachment body 24 is attached to the opening 23 so as to be turnable. The lighting fixture attachment body 24 has a size for allowing the opening 23 to be closable. The lighting fixture attachment body 24 is upwardly turned from a state that the opening 23 is closed so that a lighting fixture 17 can be exposed to an upper part of the stair landing 9.

Description

本発明は、作業場を照明するために作業機に備えられる照明装置に係り、特にポスト上に旋回装置を介して上部旋回体が設置された構成のハイポスト式作業機に適用する場合に好適なものに関する。   The present invention relates to an illuminating device provided in a work machine for illuminating a work place, and particularly suitable for application to a high post work machine having a configuration in which an upper turning body is installed on a post via a turning device. About.

例えばスクラップの集積場で使用されるスクラップ処理機等の作業機は、スクラップの分別、搬出における作業視界を確保するため、ポストと称される鉄塔の上に運転室を含む上部旋回体を設置して運転室の地面からの高さを高くし、その上部旋回体に多関節構造等の作業用フロントを取付けて構成される（例えば特許文献１参照）。このような作業機はハイポスト式作業機と称され、夜間における作業を可能にするため、上部旋回体の前部等に作業場に向けて照射する照明器具を備える。   For example, a work machine such as a scrap processing machine used in a scrap collection site has an upper revolving unit including a cab on a steel tower called a post in order to secure a work view for sorting and carrying out scrap. The height of the cab from the ground is increased, and a work front such as an articulated structure is attached to the upper swing body (see, for example, Patent Document 1). Such a work machine is referred to as a high post work machine, and includes a lighting device that irradiates the front of the upper swing body toward the work place in order to enable night work.

特開２００６−１３１３１８号公報JP 2006-131318 A

このようなハイポスト式作業機における照明器具はメンテナンス作業を行なう必要がある。このメンテナンス作業には、ランプの交換や、ランプの照明方向調整、あるいは照明器具をブラケットに取付けるボルトの締付け等の作業が含まれる。しかしながら、スクラップ処理機を用いる作業場は広いことから、水銀灯等の大型の照明器具を用いることが多く、その上、効率よく作業場を照らすため、従来より、上部旋回体のできるだけ外側や踊り場の下側等に照明器具を取付けている。このため、メンテナンス作業を行なう際に作業者の手がランプ等に届きにくく、メンテナンス作業が容易ではないという問題点があった。   It is necessary to perform maintenance work on the lighting fixture in such a high post type working machine. This maintenance work includes work such as replacement of the lamp, adjustment of the illumination direction of the lamp, or tightening of a bolt for attaching the luminaire to the bracket. However, since the work place where scrap processing machines are used is wide, large lighting fixtures such as mercury lamps are often used. In addition, in order to efficiently illuminate the work place, conventionally, the outer side of the upper swing body and the lower side of the landing are used. Lighting fixtures are attached to the etc. For this reason, when a maintenance operation is performed, the operator's hand is difficult to reach the lamp and the maintenance operation is not easy.

本発明は、上記問題点に鑑み、ランプ交換等のメンテナンス作業が容易に行なえる作業機の照明装置を提供することを目的とする。   In view of the above problems, an object of the present invention is to provide an illuminating device for a working machine that can easily perform maintenance work such as lamp replacement.

請求項１の作業機の照明装置は、
支持体に旋回装置を介して運転室、パワーユニットおよび踊り場を有する上部旋回体を設置し、前記上部旋回体の旋回フレームに作業用フロントを取付け、前記踊り場または前記支持体に設けた踊り場に照明器具を取付けた作業機の照明装置において、
前記照明器具を、通常作業時の照明位置とメンテナンス容易な位置との間で移動可能に取付けたことを特徴とする。 The lighting device for a work machine according to claim 1 is:
An upper swing body having a driver's cab, a power unit and a landing is installed on a support via a swing device, a work front is attached to the swing frame of the upper swing body, and a lighting fixture is mounted on the landing or the landing provided on the support In the lighting device of the work machine with
The lighting fixture is mounted so as to be movable between an illumination position during normal work and a position where maintenance is easy.

請求項２の作業機の照明装置は、請求項１に記載の作業機の照明装置において、
前記照明器具を取付けた照明器具取付け体を、前記上部旋回体に設けた踊り場または前記支持体に設けた踊り場に上下方向に回動可能に取付け、
通常作業時には前記照明器具が前記踊り場の下側に位置し、メンテナンス作業時には前記照明器具取付け体を上方に回動させて前記照明器具を前記踊り場上に露出させる構成にしたことを特徴とする。 The lighting device for a work machine according to claim 2 is the lighting device for a work machine according to claim 1,
The lighting fixture mounting body to which the lighting fixture is mounted is attached to the landing provided on the upper swing body or the landing provided on the support so as to be rotatable in the vertical direction,
The lighting fixture is positioned below the landing during normal work, and the lighting fixture mounting body is pivoted upward during maintenance work to expose the lighting fixture on the landing.

請求項３の作業機の照明装置は、請求項２に記載の作業機の照明装置において、
作業機の前記上部旋回体に設けた踊り場、または前記支持体に設けた踊り場に開口部を備え、
前記照明器具取付け体は、前記開口部を閉塞可能な広さを有すると共に、前記開口部の一端側を中心として回動可能に取付けられ、
通常作業時には前記照明器具取付け体が前記開口部を閉塞する構成にしたことを特徴とする。 The lighting device for a working machine according to claim 3 is the lighting device for a working machine according to claim 2,
A landing provided on the upper swing body of the working machine, or an opening provided on the landing provided on the support,
The lighting fixture attachment body has a width capable of closing the opening, and is attached to be rotatable about one end side of the opening,
In the normal operation, the lighting fixture attachment body is configured to close the opening.

請求項４の作業機の照明装置は、請求項２に記載の作業機の照明装置において、
作業機の前記上部旋回体に設けた踊り場、または前記支持体に設けた踊り場に備えた開口部と、
前記開口部を閉塞可能に前記踊り場の上面側を回動範囲として前記踊り場に回動可能に取付けられた第１のカバーと、
前記第１のカバーの枢着側に一端が前記第１のカバーに対して角度をなして固定されると共に、前記踊り場の下側を回動範囲として前記踊り場に回動可能に取付けられ、前記開口部を閉塞可能なサイズを有する第２のカバーとを備え、
前記第１のカバーまたは前記第２のカバーのいずれか一方を照明器具取付け体とし、
通常作業時には前記第１のカバーが前記開口部を閉塞すると共に、前記第２のカバーが前記踊り場の下方に向いた状態にあり、メンテナンス作業時には前記第１のカバーおよび前記第２のカバーを上方に回動させて前記照明器具を前記踊り場上に露出させると共に、前記第２のカバーにより前記開口部を閉塞する構成にしたことを特徴とする。 The working device lighting device according to claim 4 is the working device lighting device according to claim 2,
A landing provided in the upper swing body of the working machine, or an opening provided in a landing provided in the support;
A first cover rotatably attached to the landing with the upper surface side of the landing as a rotation range so that the opening can be closed;
One end of the first cover is fixed to the first cover at an angle with respect to the first cover, and is pivotally attached to the landing with the lower side of the landing as a rotation range, A second cover having a size capable of closing the opening,
Either one of the first cover or the second cover is a lighting fixture mounting body,
The first cover closes the opening during normal operation, and the second cover faces downward from the landing, and the first cover and the second cover are moved upward during maintenance work. And the lighting device is exposed on the landing, and the opening is closed by the second cover.

請求項５の作業機の照明装置は、請求項３に記載の作業機の照明装置において、
前記開口部を設けた踊り場の下面に、前記開口部を閉塞するように取付けられると共に、前記照明器具取付け体により前記開口部が閉塞された状態において前記照明器具を囲む構造を有するフードをさらに備えたことを特徴とする。 The lighting device for a working machine according to claim 5 is the lighting device for a working machine according to claim 3,
A hood that is attached to a lower surface of a landing that has the opening so as to close the opening, and that surrounds the lighting fixture in a state where the opening is closed by the lighting fixture mounting body. It is characterized by that.

請求項１の発明によれば、照明器具のメンテナンスの際には、照明器具をメンテナンスが行なえる位置に移動させることにより、作業者は踊り場から身を乗り出すことなく作業を行なうことができ、電球交換等のメンテナンス作業を容易に行なうことが可能となる。   According to the first aspect of the present invention, when the luminaire is maintained, the luminaire is moved to a position where the maintenance can be performed, so that the operator can work without getting out of the landing. Maintenance work such as replacement can be easily performed.

また、メンテナンス作業時には照明器具を作業が容易な場所に移動させることが可能となるので、メンテナンス作業を考慮して照明器具の取付け位置を制限する必要が無くなる。このため、通常作業時には照明器具による作業場所の照射を好ましい形態で行なうことが可能となる。   Moreover, since it becomes possible to move a lighting fixture to the place where work is easy at the time of a maintenance operation | work, it becomes unnecessary to restrict | limit the attachment position of a lighting fixture considering a maintenance operation | work. For this reason, it becomes possible to irradiate the work place with a lighting fixture in a preferable form during normal work.

請求項２の発明によれば、照明器具のメンテナンス作業の際には、照明器具取付け体を上方に回動させて照明器具を踊り場上に露出させることができるので、作業者は踊り場上でメンテナンス作業を行なうことができ、メンテナンス作業がより容易に行なえる。   According to the second aspect of the present invention, in the maintenance work of the lighting fixture, the lighting fixture can be rotated upward to expose the lighting fixture on the landing, so that the operator can perform maintenance on the landing. Work can be performed, and maintenance work can be performed more easily.

請求項３の発明によれば、通常作業時には、踊り場に設けた開口部は照明器具取付け体によって閉塞されるので、通常作業時は照明器具取付け体は踊り場の一部として利用できると共に、通常作業時の安全性が確保される。   According to the invention of claim 3, since the opening provided in the landing is closed by the lighting fixture attachment during normal work, the lighting fixture attachment can be used as a part of the landing during normal operation, Safety of time is ensured.

請求項４の発明によれば、通常作業時には、踊り場に設けた開口部は第１のカバーによって閉塞されるので、通常作業時は照明器具取付け体は踊り場の一部として利用できると共に、通常作業時の安全性が確保される。また、メンテナンス作業の際には、踊り場に設けた開口部は第２のカバーによって閉塞されるので、安全性が確保される。   According to the invention of claim 4, the opening provided in the landing is closed by the first cover during normal work, so that the luminaire attachment body can be used as a part of the landing during normal work, and the normal work Safety of time is ensured. Further, during maintenance work, the opening provided in the landing is closed by the second cover, so that safety is ensured.

請求項５の発明によれば、通常作業時には、踊り場に設けた開口部は照明器具取付け体によって閉塞されるので、通常作業時は照明器具取付け体は踊り場の一部として利用できると共に、通常作業時の安全性が確保される。また、メンテナンス作業時には開口部は踊り場の下面に設けたフードによって閉塞されるので、安全性が確保される。   According to the fifth aspect of the present invention, the opening provided in the landing is closed by the lighting fixture attachment during normal work, so that the lighting fixture attachment can be used as a part of the landing during normal operation, Safety of time is ensured. In addition, since the opening is closed by a hood provided on the lower surface of the landing during maintenance work, safety is ensured.

（Ａ）は本発明の第1の実施の形態の照明装置を適用した作業機の一例を作業用フロントを省略して示す正面図、（Ｂ）はその側面図である。(A) is a front view showing an example of a working machine to which the illumination device according to the first embodiment of the present invention is applied, omitting the work front, and (B) is a side view thereof. （Ａ）は第１の実施の形態の照明装置の側面図、（Ｂ）はその底面図である。(A) is the side view of the illuminating device of 1st Embodiment, (B) is the bottom view. 本発明による照明装置の第２の実施の形態をメンテナンス作業時の姿勢を示す斜視図である。It is a perspective view which shows the attitude | position at the time of a maintenance operation | work of 2nd Embodiment of the illuminating device by this invention. （Ａ）は図３の照明装置の側面図、（Ｂ）はその平面図である。(A) is a side view of the illuminating device of FIG. 3, (B) is the top view. （Ａ）は図４（Ａ）のＥ−Ｅ断面図、（Ｂ）は通常作業時の姿勢を示す側面図である。(A) is EE sectional drawing of FIG. 4 (A), (B) is a side view which shows the attitude | position at the time of a normal operation | work. 本発明による照明装置の第３の実施の形態をメンテナンス作業時の姿勢で示す斜視図である。It is a perspective view which shows 3rd Embodiment of the illuminating device by this invention by the attitude | position at the time of a maintenance work. （Ａ）は図６の照明装置の側面図、（Ｂ）はその平面図である。(A) is a side view of the illuminating device of FIG. 6, (B) is the top view. （Ａ）は図６の照明装置の正面図、（Ｂ）はその底面図である。(A) is a front view of the illuminating device of FIG. 6, (B) is the bottom view. （Ａ）は第３の実施の形態の照明装置を通常作業時の姿勢で示す側面断面図、（Ｂ）はその正面図である。(A) is side surface sectional drawing which shows the illuminating device of 3rd Embodiment by the attitude | position at the time of normal operation | work, (B) is the front view.

図１（Ａ）、（Ｂ）はそれぞれ本発明による照明装置の第１の実施の形態を備えた作業機の一例を、作業用フロントを省略して示す正面図、側面図である。図１（Ａ）、（Ｂ）において、１は例えばスクラップ集積所に立設されたポスト（鉄塔）、２はこのポスト１の中間部に設けた踊り場、３は地面とこの踊り場２との間でオペレータや作業員が昇降するための梯子である。４はこのポスト1の頂部に旋回装置５を介して設置した旋回フレームである。   FIGS. 1A and 1B are a front view and a side view, respectively, showing an example of a working machine provided with the first embodiment of the illumination device according to the present invention, with the working front omitted. 1 (A) and 1 (B), 1 is a post (steel tower) erected at a scrap accumulation site, for example, 2 is a landing provided in the middle of this post 1, and 3 is between the ground and this landing 2 It is a ladder for the operator and workers to go up and down. A revolving frame 4 is installed on the top of the post 1 via a revolving device 5.

この旋回フレーム４には運転室６、パワーユニット７、カウンタウエイト８および踊り場９等を搭載して上部旋回体１０を構成する。踊り場９は、運転室６やパワーユニット７等にオペレータや作業員が行き来するために、旋回フレーム４の左右に設けられる。１１はポスト１の中間部の踊り場２と上部旋回体１０の踊り場９との間でオペレータや作業員が昇降するための梯子である。ポスト１の中間部に設けた踊り場２は、保守点検のため、作業員がこの踊り場２に立った際に、旋回フレーム４の下面に設けられるアンダーカバーを取外して上部旋回体１０の下面部から上部旋回体１０に備えた機器の保守点検や修理を行なうことが可能となる高さに設定されている。   The swivel frame 4 is mounted with a driver's cab 6, a power unit 7, a counterweight 8, a landing 9, and the like to constitute an upper swivel body 10. The landings 9 are provided on the left and right sides of the turning frame 4 so that operators and workers can move to and from the cab 6 and the power unit 7. Reference numeral 11 denotes a ladder for the operator and workers to move up and down between the landing 2 in the middle of the post 1 and the landing 9 in the upper swing body 10. The landing 2 provided in the middle part of the post 1 is removed from the lower surface of the upper swing body 10 by removing the under cover provided on the lower surface of the swing frame 4 when an operator stands on the landing 2 for maintenance and inspection. The height is set so that maintenance and inspection of the equipment provided in the upper swing body 10 can be performed.

図１（Ａ）において、１２は旋回フレーム４の中央前部に設けた作業用フロント取付け部である。なお、不図示の作業用フロントは、例えば旋回フレーム４に起伏可能に取付けるブームと、このブームの先端に回動可能に取付けられるアームと、このアームの先端に取付けられる作業具等とからなるもので、スクラップ処理機の場合、作業具としてはスクラップを把持するホークや、鉄屑を吸着するリフティングマグネット等が用いられる。   In FIG. 1A, reference numeral 12 denotes a work front mounting portion provided at the center front portion of the revolving frame 4. The work front (not shown) includes, for example, a boom that is attached to the revolving frame 4 so that it can be raised and lowered, an arm that is rotatably attached to the tip of the boom, and a work tool that is attached to the tip of the arm. In the case of a scrap processing machine, a hawk that grips scrap, a lifting magnet that adsorbs iron scrap, or the like is used as a work tool.

１３は旋回フレーム４の前部の左右に取付けた照明装置である。図２（Ａ）はこの第1の実施の形態の照明装置１３を拡大して示す側面図、図２（Ｂ）はその底面図である。図２（Ａ）、（Ｂ）に示すように、照明装置１３は、上部旋回体１０に備える踊り場９の下面に取付けられるガイド枠１４と、このガイド枠１４に前後方向に移動可能に取付けられるスライド枠１５と、このスライド枠１５にブラケット１６を介して取付けられる照明器具１７とを備える。   An illumination device 13 is attached to the left and right of the front portion of the swivel frame 4. FIG. 2A is an enlarged side view showing the illumination device 13 of the first embodiment, and FIG. 2B is a bottom view thereof. As shown in FIGS. 2A and 2B, the illumination device 13 is attached to the guide frame 14 attached to the lower surface of the landing 9 provided in the upper swing body 10, and attached to the guide frame 14 so as to be movable in the front-rear direction. A slide frame 15 and a lighting fixture 17 attached to the slide frame 15 via a bracket 16 are provided.

ガイド枠１４は踊り場９の下面にボルト等の固定具１８によって上部旋回体１０の前後方向に向けて取付けられる。スライド枠１５はガイド枠１４の左右に設けたガイド部１４ａ，１４ａに左右の端部を図２（Ａ）の矢印Ｘに示す前後方向に摺動可能に係合させて取付けられる。スライド枠１５に取付けられるブラケット１６は二又構造をなし、ブラケット１６は軸２１を中心に左右の向きが調整できるように取付けられる。また、照明器具１７はこのブラケット１６に軸１９を中心に矢印Ｒで示すように上下方向の向きが調整できるように取付けられる。２０は照明装置１３の使用時にガイド枠１４にスライド枠１５を固定するボルト等でなる固定具である。   The guide frame 14 is attached to the lower surface of the landing 9 in the front-rear direction of the upper swing body 10 by a fixture 18 such as a bolt. The slide frame 15 is attached to guide portions 14a, 14a provided on the left and right sides of the guide frame 14 with the left and right ends slidably engaged in the front-rear direction indicated by the arrow X in FIG. The bracket 16 attached to the slide frame 15 has a bifurcated structure, and the bracket 16 is attached so that the right and left directions can be adjusted around the shaft 21. The lighting fixture 17 is attached to the bracket 16 so that the vertical direction can be adjusted as indicated by the arrow R around the shaft 19. Reference numeral 20 denotes a fixture made of a bolt or the like for fixing the slide frame 15 to the guide frame 14 when the lighting device 13 is used.

この構成において、作業機により作業を行なっている際には、照明器具１７は図１（Ｂ）に示すように、踊り場９の前端部に位置する。この位置は図２（Ａ）の実線ａで示す位置である。この位置において、固定ボルト２０によりスライド枠１５をガイド枠１４に締結することにより、照明器具１７はこの前方位置に固定される。この位置は照明を行なう上では好適であるが、踊り場２におけるメンテナンス作業がし難い位置である。   In this configuration, when working with the work implement, the luminaire 17 is located at the front end of the landing 9 as shown in FIG. This position is a position indicated by a solid line a in FIG. At this position, the luminaire 17 is fixed to the front position by fastening the slide frame 15 to the guide frame 14 with the fixing bolt 20. This position is suitable for lighting, but is a position where maintenance work at the landing 2 is difficult.

ランプの交換等のメンテナンス作業の際には、作業員はポスト１の中間部に設けた踊り場２に上り、固定具２０を緩め、スライド枠１５に設けた手掛け部１５ａに手を掛けて後方にスライドさせ、図２（Ａ）に２点鎖線で示す位置ｂに移動させる。このように、照明器具１７を後方に移動させた状態であれば、作業員は踊り場２から前方に身を乗り出すことなく、照明器具１７のランプの交換等の保守点検、修理を行なうことができ、これらの作業が容易に行なえる。   When performing maintenance work such as lamp replacement, the worker goes up to the landing 2 provided in the middle part of the post 1, loosens the fixture 20, puts his hand on the handle 15 a provided on the slide frame 15, and moves backward. Slide and move to a position b indicated by a two-dot chain line in FIG. In this way, if the lighting fixture 17 is moved rearward, the worker can perform maintenance, inspection and repair such as replacement of the lamp of the lighting fixture 17 without leaning forward from the landing 2. These operations can be easily performed.

図２の実施の形態においては、照明器具１７の前後位置を変更する手段としてスライド構造を採用したが、単関節構造あるいは多関節構造または平行リンク機構等のリンク機構で照明器具１７を支持し、リンクを回動させることにより照明器具１７の前後位置を変更する構成としてもよい。   In the embodiment of FIG. 2, the slide structure is adopted as means for changing the front-rear position of the lighting fixture 17, but the lighting fixture 17 is supported by a link mechanism such as a single joint structure, a multi-joint structure, or a parallel link mechanism, It is good also as a structure which changes the front-back position of the lighting fixture 17 by rotating a link.

図３は本発明による照明装置の第２の実施の形態をメンテナンス作業時の姿勢で示す側面図である。また、図４（Ａ）は図３の側面図、図４（Ｂ）はその平面図、図５（Ａ）は図４（Ａ）のＥ−Ｅ断面図である。図５（Ｂ）は通常作業時の姿勢を示す側面図である。   FIG. 3 is a side view showing a second embodiment of the lighting device according to the present invention in a posture during maintenance work. 4A is a side view of FIG. 3, FIG. 4B is a plan view thereof, and FIG. 5A is an EE cross-sectional view of FIG. 4A. FIG. 5B is a side view showing the posture during normal work.

図３〜図５に示すように、第２の実施の形態においても、上部旋回体１０の踊り場９に照明装置１３Ａが取付けられる。この実施の形態においては、踊り場９に開口部２３を設け、この開口部２３に照明装置１３Ａを取付ける。この照明装置１３Ａは、第１のカバー２４と第２のカバー２６とを備える。第１のカバー２４は板状をなし、開口部２３を閉塞可能なサイズを有する。第１のカバー２４には、照明器具１７が、ブラケット１６を介して軸１９を中心として傾斜角度調整可能に取付けられる。すち、この図示例では、この第１のカバー２４を照明器具１７の取付け体として用いている。この第１のカバー２４は、開口部２３の後縁に設けるヒンジ２５によって踊り場９の上側を回動範囲として、踊り場９に回動可能に取付けられる。   As shown in FIGS. 3 to 5, also in the second embodiment, the lighting device 13 </ b> A is attached to the landing 9 of the upper swing body 10. In this embodiment, an opening 23 is provided in the landing 9, and the lighting device 13 </ b> A is attached to the opening 23. The illumination device 13A includes a first cover 24 and a second cover 26. The first cover 24 is plate-shaped and has a size that can close the opening 23. The lighting device 17 is attached to the first cover 24 via the bracket 16 so that the inclination angle can be adjusted around the shaft 19. That is, in the illustrated example, the first cover 24 is used as a mounting body for the lighting fixture 17. The first cover 24 is pivotally attached to the landing 9 with a hinge 25 provided at the rear edge of the opening 23 with the upper side of the landing 9 as a rotation range.

第２のカバー２６は、この例ではメンテナンス作業時における落下防止プレートとして機能するものである。この第２のカバー２６は、その一端を第１のカバー２４のヒンジ２５による枢着側に溶接等により固定して取付ける。この第２のカバー２６は、この照明器具取付け体と角度（この例ではほぼ直角）をなし、踊り場９の下側を回動範囲とする。この第２のカバー２６は、開口部２３を閉塞可能なサイズを有する。２７はカバー２４，２６の開閉の際の衝撃を緩和するためのダンパーであり、このダンパーには流体式またはバネ式のものが用いられる。このダンパー２７は、一端を第１のカバー２４に設けたブラケット２８にピン２９により連結し、他端を踊り場９の開口部の側縁に設けたブラケット３０にピン３１により連結して取付けられる。   In this example, the second cover 26 functions as a fall prevention plate during maintenance work. The second cover 26 is attached by fixing one end thereof to the pivot attachment side of the first cover 24 by the hinge 25 by welding or the like. The second cover 26 forms an angle (substantially a right angle in this example) with the lighting fixture mounting body, and the lower side of the landing 9 is set as a rotation range. The second cover 26 has a size capable of closing the opening 23. Reference numeral 27 denotes a damper for alleviating an impact when the covers 24 and 26 are opened and closed, and a fluid type or a spring type is used for this damper. The damper 27 is attached with one end connected to a bracket 28 provided on the first cover 24 by a pin 29 and the other end connected to a bracket 30 provided on a side edge of the opening of the landing 9 by a pin 31.

図４（Ｂ）に示すように、メンテナンス作業時に第１のカバー２４を起立姿勢に保つため、第２のカバー２６の上面にはピン３２を中心として回動可能にストッパ３３が取付けられている。３４はこのストッパ３３を第２のカバー２６の上面に固定しておくためのストッパホルダである。このストッパホルダ３４は弾性体でなり、第２のカバー２６にねじ等の固定具３５により固定されている。ストッパ３３がストッパホルダ３４に保持された状態においては、ストッパ３３は第２のカバー２６の周囲から外側に突出せず、第２のカバー２６は開口部２３の縁に干渉されずに回動可能である。   As shown in FIG. 4B, a stopper 33 is mounted on the upper surface of the second cover 26 so as to be rotatable about the pin 32 in order to keep the first cover 24 in a standing posture during maintenance work. . Reference numeral 34 denotes a stopper holder for fixing the stopper 33 to the upper surface of the second cover 26. The stopper holder 34 is made of an elastic body, and is fixed to the second cover 26 with a fixture 35 such as a screw. In a state where the stopper 33 is held by the stopper holder 34, the stopper 33 does not protrude outward from the periphery of the second cover 26, and the second cover 26 can be rotated without interfering with the edge of the opening 23. It is.

この照明装置１３Ａは、図５（Ｂ）に示すように、通常作業時には第１のカバー２４が開口部２３を閉塞すると共に、第２のカバー２６が踊り場９の下方に向いた状態にある。この時、第１のカバー２４の反枢着側端部は、踊り場９の下面の開口部２３の縁に固定した支持板３６により支持される。そして照明器具１７は作業用フロント（図示せず）に取付けられた作業具による前方の作業場を照射する。この時、ストッパ３３は、ストッパホルダ３４により固定され、第２のカバー２６の周囲から外側に突出しない状態にある。   As shown in FIG. 5B, the lighting device 13 </ b> A is in a state in which the first cover 24 closes the opening 23 and the second cover 26 faces downward from the landing 9 during normal operation. At this time, the opposite end portion of the first cover 24 is supported by a support plate 36 fixed to the edge of the opening 23 on the lower surface of the landing 9. And the lighting fixture 17 irradiates the front workplace with the working tool attached to the front for work (not shown). At this time, the stopper 33 is fixed by the stopper holder 34 and is in a state of not protruding outward from the periphery of the second cover 26.

一方、メンテナンス作業時には第１のカバー２４に設けた把手３７を持って第１のカバー２４を上方に引き上げ、図３、図４（Ａ）、（Ｂ）、図５（Ａ）に示すように、第１のカバー２４を上方に回動させて起立させる。これにより、照明器具１７を踊り場９上に露出させると共に、第２のカバー２６により開口部２３を閉塞する。このように第２のカバー２６によって開口部２３を閉塞した状態において、図４（Ｂ）に示すように、ストッパ３３を２点鎖線ｃに示すようなストッパホルダ３４に固定された状態から、実線ｄで示すように突出位置である位置へと回動させることにより、ストッパ３３を踊り場９の開口部２３の縁に係止させて第２のカバー２６や第１のカバー２４が下がる方向に動くことを防止する。   On the other hand, during the maintenance work, the first cover 24 is lifted upward by holding the handle 37 provided on the first cover 24, and as shown in FIGS. 3, 4A, 5B, and 5A. Then, the first cover 24 is rotated upward to stand. As a result, the lighting fixture 17 is exposed on the landing 9 and the opening 23 is closed by the second cover 26. In the state where the opening 23 is closed by the second cover 26 as described above, as shown in FIG. 4B, the stopper 33 is fixed to the stopper holder 34 as shown by a two-dot chain line c, and the solid line As shown by d, the stopper 33 is locked to the edge of the opening 23 of the landing 9 by rotating to the position that is the protruding position, and the second cover 26 and the first cover 24 move in the downward direction. To prevent that.

この第２の実施の形態によれば、照明装置１３Ａのメンテナンス作業の際には、第１のカバー２４を上方に回動させて開くことにより、照明器具１７を踊り場９上に露出させることができるので、作業者は踊り場９上でメンテナンス作業を容易に行なうことができる。   According to the second embodiment, during the maintenance work of the lighting device 13A, the lighting fixture 17 can be exposed on the landing 9 by rotating the first cover 24 upward and opening it. Therefore, the operator can easily perform maintenance work on the landing 9.

また、通常作業時には、踊り場９に設けた開口部２３は照明器具取付け体である第１のカバー２４によって閉塞されるので、通常作業時は第１のカバー２４は踊り場９の一部として利用できると共に、通常作業時の安全性が確保される。   In addition, since the opening 23 provided in the landing 9 is closed by the first cover 24 that is a lighting fixture mounting body during normal work, the first cover 24 can be used as a part of the landing 9 during normal work. At the same time, safety during normal work is ensured.

また、メンテナンス作業の際に、踊り場９に設けた開口部２３は第２のカバー２６によって閉塞され、第２のカバー２６はストッパ３３により閉塞状態を保つので、作業者は開口部２３から落下したり、工具を開口部２３から落下させるおそれがなく、メンテナンス作業を安全に行なうことができる。   Further, during the maintenance work, the opening 23 provided in the landing 9 is closed by the second cover 26, and the second cover 26 is kept closed by the stopper 33, so that the operator falls from the opening 23. Or the tool can be dropped from the opening 23, and maintenance work can be performed safely.

なお、この第２の実施の形態において、照明器具１７は第１のカバー２４に取付けるのではなく、第２のカバー２６に取付けてもよい。第２のカバー２６に照明器具１７を取付ける場合には、メンテナンス作業時における第２のカバー２６の上面側に照明器具１７を取付けることにより、メンテナンス作業時に照明器具１７を踊り場９上に露出させることができる。   In the second embodiment, the lighting fixture 17 may be attached to the second cover 26 instead of being attached to the first cover 24. When attaching the luminaire 17 to the second cover 26, the luminaire 17 is exposed on the landing 9 during the maintenance work by attaching the luminaire 17 to the upper surface side of the second cover 26 during the maintenance work. Can do.

図６は本発明による照明装置の第３の実施の形態をメンテナンス作業時の姿勢で示す斜視図であり、図７（Ａ）、（Ｂ）はそれぞれ同姿勢における側面図および平面図、図８（Ａ），（Ｂ）はそれぞれ同姿勢における正面図および底面図である。また図９（Ａ）、（Ｂ）はそれぞれこの実施の形態における通常作業時の姿勢を示す側面図および正面図である。   6 is a perspective view showing a third embodiment of the lighting device according to the present invention in a posture during maintenance work, and FIGS. 7A and 7B are a side view and a plan view in the same posture, respectively. (A), (B) is the front view and bottom view in the same attitude | position, respectively. FIGS. 9A and 9B are a side view and a front view, respectively, showing the posture during normal work in this embodiment.

この第３の実施の形態においては、前記第２の実施の形態における第２のカバー２６の代わりに照明装置１３Ｂのフード４１を落下防止手段とし用いる。このフード４１は周囲に取付け板部４１ａを一体に有し、この取付け板部４１ａを開口部２３の下面に当ててねじやボルト４２とナット４３等の固定具４２により固定して取付けたものである。また、照明器具取付け体として用いる第１のカバー２４、は第２の実施の形態と同様に、開口部２３の後縁にヒンジ２５を介して上方に回動させることにより、照明器具１７を踊り場９上に露出させることができる。また、第１のカバー２４は、通常作業時においては、開口部２３の内周から内側に突出した取付け板部４１ａによって支持される。   In the third embodiment, the hood 41 of the lighting device 13B is used as a fall prevention means instead of the second cover 26 in the second embodiment. The hood 41 has a mounting plate portion 41a integrally therearound, and is attached by fixing the mounting plate portion 41a to the lower surface of the opening 23 with a fixing tool 42 such as a screw, a bolt 42 and a nut 43. is there. Also, the first cover 24 used as a lighting fixture mounting body, like the second embodiment, rotates the lighting fixture 17 on the rear edge of the opening 23 via a hinge 25, thereby allowing the lighting fixture 17 to dance. 9 can be exposed. In addition, the first cover 24 is supported by a mounting plate 41a that protrudes inward from the inner periphery of the opening 23 during normal operation.

この第３の実施の形態においても、照明装置１３Ｂのメンテナンス作業の際には、照明器具取付け体としての第１のカバー２４を上方に回動させて開くことにより、照明器具１７を踊り場９上に露出させることができるので、作業者は踊り場９上でメンテナンス作業を容易に行なうことができる。また、開口部２３は常時踊り場９の下面に設けたフード４１によって閉塞されるので、このメンテナンス作業の際に、作業者は開口部２３から落下するおそれがなく、また工具を落下させるおそれがないので、メンテナンス作業を安全に行なうことができる。   Also in the third embodiment, during the maintenance work of the lighting device 13B, the first cover 24 as the lighting fixture mounting body is pivoted upward to open the lighting fixture 17 on the landing 9. Therefore, the operator can easily perform maintenance work on the landing 9. Moreover, since the opening part 23 is always obstruct | occluded by the hood 41 provided in the lower surface of the landing 9, the operator has no fear of dropping from the opening part 23 and there is no possibility of dropping the tool. Therefore, maintenance work can be performed safely.

なお、第２、３の実施の形態においては、踊り場９そのものにカバー２４，２６等を直接取付ける構成としたが、踊り場９に取付け板を介してカバー２４，２６等を間接的に取付ける構成としてもよい。また、第２、３の実施の形態においては、照明装置１３Ａ，１３Ｂを上部旋回体１０の踊り場９を設けた例について示したが、これらの照明装置１３Ａ、１３Ｂはポスト１に設ける踊り場２に設けてもよい。   In the second and third embodiments, the cover 24, 26 and the like are directly attached to the landing 9 itself. However, the cover 24, 26 and the like are indirectly attached to the landing 9 via a mounting plate. Also good. In the second and third embodiments, the lighting devices 13A and 13B are shown as examples where the landing area 9 of the upper swing body 10 is provided. However, these lighting devices 13A and 13B are provided on the landing field 2 provided on the post 1. It may be provided.

また、本発明は、据え付け式の作業機ではなく、自走式あるいは他力により走行する走行体上にポスト（支持体）を設けてそのポスト上に上部旋回体を設置した作業機にも適用することができる。また、本発明を適用する作業機としては、スクラップ作業以外に作業具の機能に応じた各種の作業を行なう作業機が対象となる。その他、本発明は、上記実施の形態に限らず、本発明の要旨を逸脱しない範囲において、種々の変更、付加が可能である。   Further, the present invention is not applied to a stationary working machine, but is also applied to a working machine in which a post (support) is provided on a traveling body that travels by a self-propelled type or other force and an upper revolving body is installed on the post. can do. In addition to the scrap work, the work machine to which the present invention is applied is a work machine that performs various works according to the function of the work tool. In addition, the present invention is not limited to the above-described embodiment, and various changes and additions can be made without departing from the scope of the present invention.

１：ポスト、２：踊り場、4：旋回フレーム、５：旋回装置、６：運転室、７：パワーユニット、８：カウンタウエイト、９：踊り場、１０：上部旋回体、１２：作業用フロント取付け部、１３，１３Ａ，１３Ｂ：照明装置、１４：ガイド枠、１５：スライド枠、１７：照明器具、２０：固定具、２３：開口部、２４：第１のカバー（照明器具取付け体）、２５：ヒンジ、２６：第２のカバー、２７：ダンパー、３３：ストッパ、３４：ストッパホルダ、３６：支持板、４１：フード 1: post, 2: landing, 4: turning frame, 5: turning device, 6: driver's cab, 7: power unit, 8: counterweight, 9: landing, 10: upper turning body, 12: work front mounting part, 13, 13A, 13B: lighting device, 14: guide frame, 15: slide frame, 17: lighting fixture, 20: fixture, 23: opening, 24: first cover (lighting fixture mounting body), 25: hinge , 26: second cover, 27: damper, 33: stopper, 34: stopper holder, 36: support plate, 41: hood

Claims (5)

支持体に旋回装置を介して運転室、パワーユニットおよび踊り場を有する上部旋回体を設置し、前記上部旋回体の旋回フレームに作業用フロントを取付け、前記踊り場または前記支持体に設けた踊り場に照明器具を取付けた作業機の照明装置において、
前記照明器具を、通常作業時の照明位置とメンテナンス容易な位置との間で移動可能に取付けたことを特徴とする作業機の照明装置。 An upper swing body having a driver's cab, a power unit and a landing is installed on a support via a swing device, a work front is attached to the swing frame of the upper swing body, and a lighting fixture is mounted on the landing or the landing provided on the support In the lighting device of the work machine with
An illuminating device for a working machine, wherein the luminaire is mounted so as to be movable between an illumination position during normal work and a position where maintenance is easy. 請求項１に記載の作業機の照明装置において、
前記照明器具を取付けた照明器具取付け体を、前記上部旋回体に設けた踊り場または前記支持体に設けた踊り場に上下方向に回動可能に取付け、
通常作業時には前記照明器具が前記踊り場の下側に位置し、メンテナンス作業時には前記照明器具取付け体を上方に回動させて前記照明器具を前記踊り場上に露出させる構成にしたことを特徴とする作業機の照明装置。 In the lighting device for a work machine according to claim 1,
The lighting fixture mounting body to which the lighting fixture is mounted is attached to the landing provided on the upper swing body or the landing provided on the support so as to be rotatable in the vertical direction,
The operation is characterized in that the lighting fixture is positioned below the landing during normal work and the lighting fixture is rotated upward to expose the lighting fixture on the landing during maintenance work. Machine lighting device. 請求項２に記載の作業機の照明装置において、
作業機の前記上部旋回体に設けた踊り場、または前記支持体に設けた踊り場に開口部を備え、
前記照明器具取付け体は、前記開口部を閉塞可能な広さを有すると共に、前記開口部の一端側を中心として回動可能に取付けられ、
通常作業時には前記照明器具取付け体が前記開口部を閉塞する構成にしたことを特徴とする作業機の照明装置。 In the working device lighting device according to claim 2,
A landing provided on the upper swing body of the working machine, or an opening provided on the landing provided on the support,
The lighting fixture attachment body has a width capable of closing the opening, and is attached to be rotatable about one end side of the opening,
An illuminating device for a working machine, wherein the lighting fixture mounting body is configured to close the opening during normal work. 請求項２に記載の作業機の照明装置において、
作業機の前記上部旋回体に設けた踊り場、または前記支持体に設けた踊り場に備えた開口部と、
前記開口部を閉塞可能に前記踊り場の上面側を回動範囲として前記踊り場に回動可能に取付けられた第１のカバーと、
前記第１のカバーの枢着側に一端が前記第１のカバーに対して角度をなして固定されると共に、前記踊り場の下側を回動範囲として前記踊り場に回動可能に取付けられ、前記開口部を閉塞可能なサイズを有する第２のカバーとを備え、
前記第１のカバーまたは前記第２のカバーのいずれか一方を照明器具取付け体とし、
通常作業時には前記第１のカバーが前記開口部を閉塞すると共に、前記第２のカバーが前記踊り場の下方に向いた状態にあり、メンテナンス作業時には前記第１のカバーおよび前記第２のカバーを上方に回動させて前記照明器具を前記踊り場上に露出させると共に、前記第２のカバーにより前記開口部を閉塞する構成にしたことを特徴とする作業機の照明装置。 In the working device lighting device according to claim 2,
A landing provided in the upper swing body of the working machine, or an opening provided in a landing provided in the support;
A first cover rotatably attached to the landing with the upper surface side of the landing as a rotation range so that the opening can be closed;
One end of the first cover is fixed to the first cover at an angle with respect to the first cover, and is pivotally attached to the landing with the lower side of the landing as a rotation range, A second cover having a size capable of closing the opening,
Either one of the first cover or the second cover is a lighting fixture mounting body,
The first cover closes the opening during normal operation, and the second cover faces downward from the landing, and the first cover and the second cover are moved upward during maintenance work. And the lighting device is exposed to the landing, and the opening is closed by the second cover. 請求項３に記載の作業機の照明装置において、
前記開口部を設けた踊り場の下面に、前記開口部を閉塞するように取付けられると共に、前記照明器具取付け体により前記開口部が閉塞された状態において前記照明器具を囲む構造を有するフードをさらに備えたことを特徴とする作業機の照明装置。 In the working device lighting device according to claim 3,
A hood that is attached to a lower surface of a landing that has the opening so as to close the opening, and that surrounds the lighting fixture in a state where the opening is closed by the lighting fixture mounting body. An illuminating device for a working machine characterized by the above.
JP2013057878A 2013-03-21 2013-03-21 Lighting equipment for work equipment Expired - Fee Related JP5937535B2 (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58111256U (en) * 1982-01-20 1983-07-29 日立建機株式会社 Fixing device for opening the top-down hinged cover
JPH07326201A (en) * 1994-05-30 1995-12-12 Kajima Corp Fixture for light projector
JPH0896607A (en) * 1994-09-28 1996-04-12 Toshiba Lighting & Technol Corp Lighting system and lighting control system
JP2004149321A (en) * 2003-11-20 2004-05-27 Hitachi Constr Mach Co Ltd Cab apparatus for working machine
JP2006131318A (en) * 2004-11-04 2006-05-25 Hitachi Constr Mach Co Ltd Working machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58111256U (en) * 1982-01-20 1983-07-29 日立建機株式会社 Fixing device for opening the top-down hinged cover
JPH07326201A (en) * 1994-05-30 1995-12-12 Kajima Corp Fixture for light projector
JPH0896607A (en) * 1994-09-28 1996-04-12 Toshiba Lighting & Technol Corp Lighting system and lighting control system
JP2004149321A (en) * 2003-11-20 2004-05-27 Hitachi Constr Mach Co Ltd Cab apparatus for working machine
JP2006131318A (en) * 2004-11-04 2006-05-25 Hitachi Constr Mach Co Ltd Working machine

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