JP4761091B2 - Automatic leveling work device - Google Patents

Automatic leveling work device Download PDF

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Publication number
JP4761091B2
JP4761091B2 JP2000271326A JP2000271326A JP4761091B2 JP 4761091 B2 JP4761091 B2 JP 4761091B2 JP 2000271326 A JP2000271326 A JP 2000271326A JP 2000271326 A JP2000271326 A JP 2000271326A JP 4761091 B2 JP4761091 B2 JP 4761091B2
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JP
Japan
Prior art keywords
work table
work
auxiliary machine
spherical
attached
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Expired - Lifetime
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JP2000271326A
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Japanese (ja)
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JP2002087769A (en
Inventor
淳 上東
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IHI Corp
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IHI Corp
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Priority to JP2000271326A priority Critical patent/JP4761091B2/en
Publication of JP2002087769A publication Critical patent/JP2002087769A/en
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Description

【0001】
【発明の属する技術分野】
この発明は、自動水平補正作業装置に関し、作業台を自動的に水平に保持して作業ができるようにしたもので、ジェットエンジンの整備などの際に補機の取り付け、取り外しに用いて好適なものである。
【0002】
【従来の技術】
各種機械装置では、所定時間運転後や必要に応じ整備点検することが行われており、例えば航空機用のジェットエンジンでも定期的に整備点検が行われ、図2に示すように、ジェットエンジン1のエンジン本体2からギヤボックスなどの補機3を取り外したり、整備点検後取り付けることが行われている。
【0003】
このような補機3の取り付けや取り外しには、作業装置4が用いられており、例えば図3に示すように、3本の脚部5を介してねじジャッキ6が縦向きに取り付けられ、このねじジャッキ6の上端にそれぞれの補機3に対応する作業台7が取り付られて構成してある。
【0004】
そして、例えばジェットエンジン1のエンジン本体2にギヤボックスなどの補機3を取り付ける場合には、作業台7に補機3を搭載して仮固定し、エンジン本体2の高さに応じてねじジャッキ6を伸長させて作業台7を上昇させておき、エンジン本体2の補機取付位置に合わせて作業者が抱えて取り付けるようにしている。
【0005】
【発明が解決しようとする課題】
ところが、このような従来の作業装置4では、作業台7をねじジャッキ6で昇降させることができるものの、作業台7が3本の脚部5で支えられていることから地面などの状態により水平にすることが出来ず、エンジン本体2に取り付ける場合に、2〜3人の作業者が補機3を抱えて取付面に合わせて微調整しなければならず、作業能率が悪いという問題があった。
【0006】
この発明は、上記従来技術の有する課題に鑑みてなされたもので、補機等が搭載される作業台を自動的に水平にすることができ、しかも位置を調整することもできる自動水平補正作業装置を提供しようとするものである。
【0007】
【課題を解決するための手段】
上記課題を解決するためこの発明の自動水平補正作業装置は、台座上に昇降機構を介して球形連結機構を設け、この球形連結機構上に作業台を設けるとともに、この作業台に自動的に水平を保持するバラストを、当該作業台から複数斜め下方に突出すアームの先端部に取付位置を調整可能に取り付ける一方、前記球形連結機構の動きを固定調整して前記作業台を保持する固定調整機構を設けたことを特徴とするものである。
【0008】
この自動水平補正作業装置によれば、台座上に昇降機構を介して球形連結機構を設け、この球形連結機構上に作業台を設けるとともに、この作業台に自動的に水平を保持するバラストを、当該作業台から複数斜め下方に突出すアームの先端部に取付位置を調整可能に取り付ける一方、前記球形連結機構の動きを固定調整して前記作業台を保持する固定調整機構を設けるようにしており、球形連結機構上に取り付けられた作業台から斜め下方に突出す複数のアームの先端部にバラストを取付位置を調整可能に取り付けてやじろべい状などにすることで、自動的に水平に保持することができ、この状態を固定調整機構で固定したり微調整することで必要な状態に作業台を保持できるようにしている。
【0009】
これにより、ジェットエンジン本体への補機の取り付け、取り外しなどに用いることで、能率良く、簡単に作業できるようになる。
【0010】
【発明の実施の形態】
以下、この発明の一実施の形態について図面に基づき詳細に説明する。
図1はこの発明の自動水平補正作業装置の一実施の形態にかかる概略斜視図、固定調整機構部分の概略斜視図およびバラスト部分の部分平面図である。
【0011】
この自動水平補正作業装置10は、例えば図2に示したジェットエンジン1のエンジン本体2にギヤボックスなどの補機3を取り付けたり、取り外したりするのに用いるものであり、4個の車輪11が設けられた台座12を備え、走行させて移動できるようになっている。
【0012】
この台座12上には、昇降機構として油圧ジャッキ13が上下に伸縮できるように取り付けてあり、手動ハンドル14を揺動することによって伸縮操作できるようにしてある。
【0013】
この昇降機構としての油圧ジャッキ13の上端には、球形連結機構15が設けられ、円筒状の支持部16の底部が球形に形成され、この支持部16内に球形の可動部17が装着されてあらゆる方向に動くようになっており、この可動部17に作業台18が取り付けてある。
【0014】
そして、可動部17に取り付けられた作業台18を固定調整するため、固定調整機構として支持部16の側面にU字状の溝19が形成され、溝19を挾むように挿通された固定調整ボルト20がねじ込まれ、固定調整ボルト20を締付けて溝19を狭めるようにすることで球形の可動部17が締付けられて固定され、緩めることで可動部17を動かすことができるようにしてある。
【0015】
また、この作業台18には、自動的に水平に保持するためのバラストが設けられ、ここでは、中心から円周方向等間隔に3本のアーム21が斜め下方に突き出して取り付けられ、その先端部にウエイト22が取り付けられ、やじろべい状になっており、作業台18の可動部17を支持部16に対して自由な状態にしたとき、作業台18が水平になるようにウエイト22のアーム21への取付位置が調整してある。
【0016】
なお、このバラストを構成するアーム21およびウエイト22は3組で構成する場合に限らず、4組などとしても良く、複数組で構成すれば良い。
【0017】
また、作業台18に補機3を搭載しない状態で、作業台18を水平に保持できるようにする場合に限らず、補機3を搭載した状態で作業台18が水平に保持できるようにウエイト22の取付位置を調整するようにしても良く、この場合には、補機3が変わるたびにウエイト22の調整を行うようにすれば良い。
【0018】
次に、このように構成した自動水平補正作業装置10の動作とともに、ジェットエンジンのエンジン本体へのギヤボックスなどの補機の取付作業について説明する。
【0019】
まず、作業台18を下降させた状態で固定調整ボルト20を緩め、球形連結機構15の可動部17を支持部16に対してフリーな状態とし、アーム21およびウエイト22によるやじろべい効果によって作業台18を自動的に水平状態に保持し、固定調整ボルト20を締付けて作業台18を固定する。
【0020】
こののち、作業台18に予め取り付けたそれぞれの補機4の専用の取付台(図示せず)に補機を搭載する。
【0021】
そして、エンジン本体の所に台座12を移動し、手動ハンドル14を操作して油圧ジャッキ13を伸長させ、作業台18を所定の高さに上昇する。
【0022】
こうして補機が所定の高さで、しかも水平に保持された状態で、エンジン本体の取付位置に台座12ごと移動し、補機の位置を微調整する必要がある場合には、作業台18を支えながら固定調整ボルト20を僅かに緩め、作業台18の傾きなどを微調整してふたたび固定調整ボルト20を締付けたのち、エンジン本体に補機を取り付ける。
【0023】
このような自動水平補正作業装置10を用いることで、水平に設置されたエンジン本体に対して補機を取り付けたり、取り外したりする場合に、作業台18をアーム21およびウエイト22で自動的に水平に保持することができ、従来のように2〜3人の作業者が抱えて取り付ける必要がなく、簡単に取り付けることができるとともに、安全に作業を行うことができる。
【0024】
また、作業台18の傾き等を微調整する場合にも、作業台18を支えて固定調整ボルト20をわずかに緩めることで簡単に行うことができる。
【0025】
なお、作業台18に設けるアーム21およびウエイト22による自動水平保持を、作業台18に取り付ける補機の重量バランスを考慮して設定しておくようにすれば、作業台18の傾きの微調整などの際に固定調整ボルト20を緩めても水平状態を保持することができ、作業台18をわずかな力で支えることができ、一層容易に作業を行うことができる。
【0026】
【発明の効果】
以上、一実施の形態とともに具体的に説明したように、この発明の自動水平補正作業装置によれば、台座上に昇降機構を介して球形連結機構を設け、この球形連結機構上に作業台を設けるとともに、この作業台に自動的に水平を保持するバラストを、当該作業台から複数斜め下方に突出すアームの先端部に取付位置を調整可能に取り付ける一方、前記球形連結機構の動きを固定調整して前記作業台を保持する固定調整機構を設けるようにしたので、球形連結機構上に取り付けられた作業台の複数のアームの先端部にやじろべい状などのバラストを取付位置を調整可能に取り付けることで自動的に水平に保持することができ、この状態を固定調整機構で固定したり微調整することで必要な状態に作業台を保持することができる。
【0027】
これにより、ジェットエンジン本体への補機の取り付け、取り外しなどに用いることで、能率良く、簡単に作業することができる。
【図面の簡単な説明】
【図1】この発明の自動水平補正作業装置の一実施の形態にかかる概略斜視図、固定調整機構部分の概略斜視図およびバラスト部分の部分平面図である。
【図2】この発明の適用対象の一例にかかるジェットエンジンとその補機の概略構成図である。
【図3】従来の補機用の作業装置の概略斜視図である。
【符号の説明】
10 自動水平補正作業装置
11 車輪
12 台座
13 油圧ジャッキ(昇降機構)
14 手動ハンドル
15 球形連結機構
16 支持部
17 可動部
18 作業台
19 溝
20 固定調整ボルト
21 アーム
22 ウエイト(バラスト)
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an automatic leveling work apparatus, which is capable of working by automatically holding a work table horizontally, and is suitable for use in attaching and detaching auxiliary equipment when maintaining a jet engine. Is.
[0002]
[Prior art]
In various mechanical devices, maintenance and inspection is performed after a predetermined time of operation or as necessary. For example, maintenance inspection is also performed periodically for an aircraft jet engine. As shown in FIG. An auxiliary machine 3 such as a gear box is removed from the engine body 2 or attached after maintenance inspection.
[0003]
For such attachment and removal of the auxiliary machine 3, a working device 4 is used. For example, as shown in FIG. 3, a screw jack 6 is vertically attached through three legs 5, A work table 7 corresponding to each auxiliary machine 3 is attached to the upper end of the screw jack 6.
[0004]
For example, when an auxiliary machine 3 such as a gear box is attached to the engine body 2 of the jet engine 1, the auxiliary machine 3 is mounted on the work table 7 and temporarily fixed, and a screw jack is attached according to the height of the engine body 2. 6 is extended and the work table 7 is raised, and the operator holds the work table 7 in accordance with the auxiliary machine mounting position of the engine body 2.
[0005]
[Problems to be solved by the invention]
However, in such a conventional work device 4, the work table 7 can be lifted and lowered by the screw jack 6, but since the work table 7 is supported by the three legs 5, the work table 7 can be horizontal depending on the state of the ground or the like. When attaching to the engine body 2, 2 to 3 workers must hold the auxiliary machine 3 and make fine adjustments according to the mounting surface, resulting in poor work efficiency. It was.
[0006]
The present invention has been made in view of the above-described problems of the prior art, and can automatically level the work table on which auxiliary equipment and the like are mounted and can also adjust the position. The device is to be provided.
[0007]
[Means for Solving the Problems]
In order to solve the above-described problems, an automatic horizontal correction work device according to the present invention is provided with a spherical coupling mechanism on a pedestal via an elevating mechanism, a work table is provided on the spherical coupling mechanism, and the work table is automatically leveled. Fixed adjustment mechanism for holding the work table by fixing and adjusting the movement of the spherical coupling mechanism while attaching the ballast holding the ball to the tip of the arm projecting obliquely downward from the work table. Is provided.
[0008]
According to this automatic horizontal correction work device, a spherical coupling mechanism is provided on a pedestal via an elevating mechanism, a work table is provided on the spherical coupling mechanism, and a ballast that automatically maintains horizontality on the work table is provided . A fixed adjustment mechanism for holding the work table is provided by fixing and adjusting the movement of the spherical coupling mechanism while adjusting the mounting position to the tip of the arm projecting obliquely downward from the work table. in to Rukoto ballast the mounting position in such adjustably mounted like have base Yajiro to tip portions of the plurality of arms projecting obliquely downward from the work platform mounted on the spherical coupling mechanism, automatically horizontally The work table can be held, and the work table can be held in a necessary state by fixing or finely adjusting this state with a fixed adjustment mechanism.
[0009]
Thereby, it becomes possible to work efficiently and easily by using it for attaching and detaching the auxiliary machine to the jet engine body.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a schematic perspective view, a schematic perspective view of a fixed adjustment mechanism portion, and a partial plan view of a ballast portion according to an embodiment of the automatic horizontal correction working device of the present invention.
[0011]
The automatic horizontal correction work device 10 is used for attaching or removing an auxiliary machine 3 such as a gear box to the engine body 2 of the jet engine 1 shown in FIG. 2, for example. A pedestal 12 is provided and can be moved and moved.
[0012]
On this pedestal 12, a hydraulic jack 13 is attached as an elevating mechanism so that it can be expanded and contracted vertically, and can be expanded and contracted by swinging a manual handle 14.
[0013]
A spherical coupling mechanism 15 is provided at the upper end of the hydraulic jack 13 as the lifting mechanism, the bottom of the cylindrical support portion 16 is formed in a spherical shape, and a spherical movable portion 17 is mounted in the support portion 16. The work table 18 is attached to the movable portion 17.
[0014]
Then, in order to fix and adjust the work table 18 attached to the movable portion 17, a U-shaped groove 19 is formed on the side surface of the support portion 16 as a fixing adjustment mechanism, and the fixing adjustment bolt 20 inserted so as to sandwich the groove 19. Is screwed, and the spherical movable portion 17 is tightened and fixed by tightening the fixing adjustment bolt 20 to narrow the groove 19, and the movable portion 17 can be moved by loosening.
[0015]
The work table 18 is provided with a ballast for automatically holding it horizontally. Here, three arms 21 are attached to the center of the work table 18 so as to protrude obliquely downward at equal intervals in the circumferential direction. A weight 22 is attached to the part, and the shape of the weight 22 is in a gentle shape. When the movable part 17 of the workbench 18 is in a free state with respect to the support part 16, The mounting position on the arm 21 is adjusted.
[0016]
In addition, the arm 21 and weight 22 which comprise this ballast are not restricted to the case where it comprises with 3 sets, 4 sets etc. may be sufficient, and what is necessary is just to comprise with multiple sets.
[0017]
Further, the weight is not limited to the case where the work table 18 can be held horizontally without mounting the auxiliary machine 3 on the work table 18, but the work table 18 can be held horizontally with the auxiliary machine 3 mounted. In this case, the weight 22 may be adjusted each time the auxiliary machine 3 changes.
[0018]
Next, the operation of the automatic horizontal correction work device 10 configured as described above and the work of attaching an auxiliary machine such as a gear box to the engine body of the jet engine will be described.
[0019]
First, the fixing adjustment bolt 20 is loosened while the workbench 18 is lowered, so that the movable portion 17 of the spherical coupling mechanism 15 is free with respect to the support portion 16, and the work is effected by the stiffening effect by the arm 21 and the weight 22. The table 18 is automatically held in a horizontal state, and the work table 18 is fixed by tightening the fixing adjustment bolt 20.
[0020]
After that, the auxiliary machine is mounted on a dedicated mounting base (not shown) for each auxiliary machine 4 which is previously attached to the work table 18.
[0021]
Then, the base 12 is moved to the engine body, the manual handle 14 is operated, the hydraulic jack 13 is extended, and the work table 18 is raised to a predetermined height.
[0022]
In this way, when it is necessary to finely adjust the position of the auxiliary machine by moving the base 12 together with the mounting position of the engine body while the auxiliary machine is held at a predetermined height and horizontally, the work table 18 is The supporting adjustment bolt 20 is slightly loosened while being supported, the inclination of the work table 18 is finely adjusted and the fixing adjusting bolt 20 is tightened again, and then the auxiliary machine is attached to the engine body.
[0023]
By using such an automatic horizontal correction work device 10, the work table 18 is automatically leveled by the arm 21 and the weight 22 when an auxiliary machine is attached to or removed from the horizontally installed engine body. Thus, it is not necessary for two to three workers to hold and attach them as in the prior art, and they can be easily attached and work can be performed safely.
[0024]
In addition, when the inclination of the work table 18 is finely adjusted, it can be easily performed by slightly loosening the fixing adjustment bolt 20 while supporting the work table 18.
[0025]
If the automatic horizontal holding by the arm 21 and the weight 22 provided on the workbench 18 is set in consideration of the weight balance of the auxiliary machine attached to the workbench 18, the inclination of the workbench 18 is finely adjusted. In this case, even if the fixing adjustment bolt 20 is loosened, the horizontal state can be maintained, the work table 18 can be supported with a slight force, and the work can be performed more easily.
[0026]
【The invention's effect】
As described above in detail with the embodiment, according to the automatic horizontal correction work device of the present invention, the spherical connection mechanism is provided on the pedestal via the lifting mechanism, and the work table is mounted on the spherical connection mechanism. The ballast that automatically keeps the level on this workbench is mounted on the tip of the arm that protrudes diagonally downward from the workbench, while the mounting position can be adjusted, and the movement of the spherical coupling mechanism is fixed and adjusted. Since the fixed adjustment mechanism that holds the workbench is provided , the mounting position of the ballast , such as a staggered ball, can be adjusted at the tips of the multiple arms of the workbench mounted on the spherical connection mechanism. By attaching it, it can be automatically held horizontally, and the work table can be held in a required state by fixing or finely adjusting this state with a fixed adjustment mechanism.
[0027]
Thereby, it can work efficiently and easily by using it for attachment and detachment of the auxiliary machine to the jet engine body.
[Brief description of the drawings]
FIG. 1 is a schematic perspective view, a schematic perspective view of a fixed adjustment mechanism portion, and a partial plan view of a ballast portion according to an embodiment of an automatic horizontal correction working device of the present invention.
FIG. 2 is a schematic configuration diagram of a jet engine and its auxiliary machines according to an example to which the present invention is applied.
FIG. 3 is a schematic perspective view of a conventional working device for an auxiliary machine.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Automatic horizontal correction work apparatus 11 Wheel 12 Base 13 Hydraulic jack (elevating mechanism)
14 Manual handle 15 Spherical coupling mechanism 16 Support portion 17 Movable portion 18 Work table 19 Groove 20 Fixing adjustment bolt 21 Arm 22 Weight (ballast)

Claims (1)

台座上に昇降機構を介して球形連結機構を設け、この球形連結機構上に作業台を設けるとともに、この作業台に自動的に水平を保持するバラストを、当該作業台から複数斜め下方に突出すアームの先端部に取付位置を調整可能に取り付ける一方、前記球形連結機構の動きを固定調整して前記作業台を保持する固定調整機構を設けたことを特徴とする自動水平補正作業装置。A spherical connection mechanism is provided on the pedestal via an elevating mechanism, a work table is provided on the spherical connection mechanism, and a plurality of ballasts that automatically maintain the level on the work table are projected obliquely downward from the work table. An automatic horizontal correction working device comprising a fixed adjustment mechanism for holding the work table by fixing and adjusting the movement of the spherical coupling mechanism while attaching the mounting position to the tip of the arm in an adjustable manner.
JP2000271326A 2000-09-07 2000-09-07 Automatic leveling work device Expired - Lifetime JP4761091B2 (en)

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JPS58127096U (en) * 1982-02-19 1983-08-29 トヨタ自動車株式会社 General purpose jack
JPH01169598U (en) * 1988-05-19 1989-11-30

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