JP3105487B2 - Construction machine with piping guide arm - Google Patents
Construction machine with piping guide armInfo
- Publication number
- JP3105487B2 JP3105487B2 JP10091074A JP9107498A JP3105487B2 JP 3105487 B2 JP3105487 B2 JP 3105487B2 JP 10091074 A JP10091074 A JP 10091074A JP 9107498 A JP9107498 A JP 9107498A JP 3105487 B2 JP3105487 B2 JP 3105487B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- guide arm
- working device
- base machine
- pipe guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Earth Drilling (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、杭打機、掘削機な
どの建設機械に関するものであり、特にリーダに配備さ
れた作業装置にオイルや電気を送給する配管の巻き付き
や巻き込みを防止できる建設機械に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a construction machine such as a pile driver or an excavator, and more particularly to a pipe for supplying oil or electricity to a working device provided in a leader, which can be prevented from being wound or entangled. It relates to construction machinery.
【０００２】[0002]
【従来の技術】杭打ち作業や掘削作業などに用いられる
建設機械(10)は、図６に示すように、ベースマシン(20)
の前方にリーダ(30)が配備されており、該リーダ(30)に
昇降可能に油圧ハンマーや掘削ドリル、アースオーガな
どの作業装置(40)を具えている。2. Description of the Related Art As shown in FIG. 6, a construction machine (10) used for a pile driving operation or an excavation operation includes a base machine (20).
A leader (30) is provided in front of the vehicle, and the reader (30) is provided with a working device (40) such as a hydraulic hammer, a drilling drill, and an earth auger so as to be able to move up and down.
【０００３】作業装置(40)には、ベースマシン(20)から
供給される駆動及び／又は制御のためのオイルや電気の
配管(50)が接続されている。この配管(50)は、一般に図
６に示すように、リーダ(30)のほぼ中央位置で吊り下げ
支持されて、作業装置(40)に連繋されている。The working device (40) is connected to an oil or electric pipe (50) for driving and / or control supplied from a base machine (20). As shown in FIG. 6, the pipe (50) is suspended and supported at a substantially central position of the reader (30), and is connected to the working device (40).
【０００４】[0004]
【発明が解決しようとする課題】配管(50)の吊り下げ支
持部分(90)から作業装置(40)までの長さは、作業装置(4
0)の昇降範囲、つまり配管(50)の吊り下げ支持部分(90)
からリーダ(30)の上端と下端まで余裕をもって届く長さ
に設定されている。このため、配管(50)の弛みの最下部
(52)は、リーダ(30)の前方に位置し、作業装置(40)の昇
降や駆動の際に弛んだ配管(50)が作業装置(40)に巻き付
いたり、巻き込まれて配管(50)が破損してしまう虞れが
あった。The length from the hanging support portion (90) of the pipe (50) to the working device (40) is equal to the length of the working device (4).
0), that is, the hanging support part (90) of the pipe (50)
The length is set so that it can reach the upper end and lower end of the reader (30) with a margin. Therefore, the lowermost part of the slack in the pipe (50)
(52) is located in front of the reader (30), and the pipe (50) loosened when the working device (40) is raised or lowered or driven is wound around the working device (40), or the pipe (50) is caught in the working device (40). May be damaged.
【０００５】また、作業装置(40)を取り替えるには、作
業装置(40)に接続された配管(50)を取り外して、別の作
業装置(40)に接続する必要がある。作業装置が異なる
と、必要な配管の種類、数も異なる。作業装置(40)を取
り替える際に、リーダ(30)を立設した状態で、吊り下げ
支持部分(90)から配管(50)を取り付けたり取り外すには
手間がかかるから、必要となる配管をすべて予め吊り下
げ支持部分(90)に吊り下げていた。このため、不要な配
管(92)は吊り下げ支持部分(90)から垂れ下がった状態で
放置されるから、これら配管(92)が作業装置(40)に巻き
付いたり、巻き込まれて破損する虞れもあった。さら
に、垂れ下がった配管(92)の先端に泥や油などが付着し
たり、傷んでしまう虞れもあった。In order to replace the working device (40), it is necessary to remove the pipe (50) connected to the working device (40) and connect it to another working device (40). Different working devices require different types and numbers of piping. When replacing the work equipment (40), it is troublesome to attach and remove the pipe (50) from the hanging support part (90) with the leader (30) standing upright. It was previously hung on the hanging support part (90). For this reason, the unnecessary pipes (92) are left in a state of hanging down from the hanging support portion (90), and there is a risk that these pipes (92) may be wound around the working device (40) or may be damaged by being caught in the working device (40). there were. Further, there is a possibility that mud or oil may adhere to the tip of the hanging pipe (92) or may be damaged.
【０００６】本発明の目的は、配管の作業装置への巻き
付きや巻き込みを防止できる配管案内アームを具えた建
設機械を提供することである。An object of the present invention is to provide a construction machine provided with a pipe guide arm capable of preventing winding of a pipe around a working device or prevention of winding.
【０００７】[0007]
【課題を解決するための手段】上記課題を解決するため
に、本発明の建設機械(10)は、ベースマシン(20)に、リ
ーダ(30)の後方で配管(50)を支持する配管案内アーム(6
0)を起伏可能に配備し、配管(50)を、配管案内アーム(6
0)を経由して作業装置(40)に接続したものである。In order to solve the above-mentioned problems, a construction machine (10) of the present invention comprises a pipe guide for supporting a pipe (50) behind a leader (30) on a base machine (20). Arm (6
(0) is installed so that it can be raised and lowered, and the pipe (50) is connected to the pipe guide arm (6).
0) to the working device (40).
【０００８】配管(50)は、ベースマシン(20)から配管案
内アーム(60)に沿って拘束した状態で配設し、配管案内
アーム(60)の先端から無拘束で直接作業装置(40)に接続
することが望ましい。The pipe (50) is disposed in a state of being restrained from the base machine (20) along the pipe guide arm (60), and is directly connected to the working device (40) from the tip of the pipe guide arm (60) without restraint. It is desirable to connect to
【０００９】ベースマシン(20)には、作業装置(40)の昇
降位置に合わせて配管案内アーム(60)を起伏させるアー
ム起伏手段(70)を配備することが望ましい。It is desirable that the base machine (20) be provided with arm raising / lowering means (70) for raising and lowering the pipe guide arm (60) in accordance with the position of the working device (40).
【００１０】[0010]
【作用及び効果】配管(50)は、ベースマシン(20)から配
管案内アーム(60)を経由して作業装置(40)に連繋され
る。配管案内アーム(60)は、リーダ(30)よりも後方で配
管(50)を支持しているから、作業装置(40)を昇降させた
ときに配管(50)が弛んでも、弛みの最下部(52)は、ベー
スマシン側となり、従来よりも後方に位置する。このた
め、配管(50)が作業装置(40)に巻き付いたり巻き込まれ
たりすることがない。[Operation and Effect] The pipe (50) is connected to the working device (40) from the base machine (20) via the pipe guide arm (60). Since the pipe guide arm (60) supports the pipe (50) behind the leader (30), even if the pipe (50) becomes loose when the working device (40) is raised or lowered, (52) is on the side of the base machine, and is located more rearward than before. Therefore, the pipe (50) does not get caught or entangled in the working device (40).
【００１１】配管(50)をベースマシン(20)から配管案内
アーム(60)の先端まで配管案内アーム(60)に沿って拘束
した状態で配設すると、ベースマシン(20)と配管案内ア
ーム(60)との間における配管(50)の弛み、遊び、バラツ
キを無くすことができる。また、配管案内アーム(60)の
先端から作業装置側の配管は、無拘束な状態であるか
ら、作業装置(40)の昇降を妨害することはない。When the pipe (50) is arranged from the base machine (20) to the tip of the pipe guide arm (60) while being restricted along the pipe guide arm (60), the base machine (20) and the pipe guide arm ( It is possible to eliminate slack, play, and variation of the pipe (50) between the pipe (50). Further, since the pipe from the tip of the pipe guide arm (60) to the working device is in an unrestricted state, it does not hinder the lifting and lowering of the working device (40).
【００１２】配管(50)の弛みが大きいときには、アーム
起伏手段(70)によって、配管案内アーム(60)を後方へ倒
して弛みを小さくするなど、作業装置(40)の昇降位置又
は作業状態に合わせて配管案内アーム(60)を起伏し、配
管(50)の弛み具合を調節すると、さらに配管(50)の作業
装置(40)への巻き込み、巻き付きを防止する効果を高め
ることができる。When the slack of the pipe (50) is large, the arm raising / lowering means (70) lowers the slack by lowering the pipe guide arm (60) backward, for example, by moving the working device (40) to the vertical position or the working state. By adjusting the degree of looseness of the pipe (50) by raising and lowering the pipe guide arm (60) at the same time, the effect of preventing the pipe (50) from being caught and wound around the working device (40) can be enhanced.
【００１３】[0013]
【発明の実施の形態】以下、本発明の実施形態について
説明する。建設機械(10)は、図１に示すように、ベース
マシン(20)と、ベースマシン(20)の前方に配備されたリ
ーダ(30)から構成される。Embodiments of the present invention will be described below. As shown in FIG. 1, the construction machine (10) includes a base machine (20) and a reader (30) provided in front of the base machine (20).
【００１４】ベースマシン(20)は、自走式車両(22)の前
方にフロントブラケット(24)、上部に起伏及び伸縮自在
な左右一対のバックステー(26)を具える。なお、ベース
マシン(20)は、公知のものを用いることができるため、
詳細な説明は省略する。The base machine (20) includes a front bracket (24) in front of the self-propelled vehicle (22), and a pair of left and right backstays (26) that are undulating and extendable at the top. In addition, since a known machine can be used for the base machine (20),
Detailed description is omitted.
【００１５】リーダ(30)は、下部をベースマシン(20)の
フロントブラケット(24)に支持され、上部をバックステ
ー(26)によって支持される。バックステー(26)の起伏に
よって、リーダ(30)は、地盤に対してほぼ垂直に立設し
たり、地盤とほぼ平行に格納することができる。なお、
リーダは分解組立式などでもよい。The reader (30) has a lower part supported by the front bracket (24) of the base machine (20), and an upper part supported by the back stay (26). Due to the undulation of the back stay (26), the leader (30) can be erected substantially vertically with respect to the ground or can be stored substantially parallel to the ground. In addition,
The reader may be disassembled and assembled.
【００１６】リーダ(30)の前部には、２本のガイドレー
ル(32)が平行に配備されており、該ガイドレール(32)に
は、油圧ハンマー、掘削ドリル、オーガスクリューなど
を駆動する作業装置(40)が昇降可能に配備される。作業
装置(40)には、駆動用及び／又は制御用のオイル、電気
がベースマシン(20)から送給される。作業装置(40)への
オイル、電気の送給は、ベースマシン(20)のオイル、電
気の供給部と作業装置(40)を可撓性の配管(50)で接続す
ることによって行なわれる。At the front of the leader (30), two guide rails (32) are arranged in parallel. The guide rails (32) drive a hydraulic hammer, a drilling drill, an auger screw and the like. The working device (40) is provided so as to be able to move up and down. The working device (40) is supplied with drive and / or control oil and electricity from the base machine (20). The oil and electricity are supplied to the working device (40) by connecting the oil and electricity supply section of the base machine (20) to the working device (40) by a flexible pipe (50).
【００１７】前記配管(50)は、ベースマシン(20)から配
管案内アーム(60)を経由して作業装置(40)に接続され
る。配管案内アーム(60)は、図１乃至図３に示すよう
に、ベースマシン(20)の前方側部に起伏可能に枢支され
た杆体である。配管案内アーム(60)として、図４に示す
ような断面Ｈ型の杆体を例示することができる。杆体の
一方の凹部(62)には、ベースマシン側の配管が配設され
ており、該配管は、所定間隔毎に鋼板(66)やＵ字型のク
ランプで配管案内アーム(60)に拘束されている。また、
配管案内アーム(60)の先端には、図５に示すように配管
(50)のズレを防止する端板(68)を配備している。なお、
配管案内アーム(60)の形状は、これに限定されるもので
はない。The pipe (50) is connected to a working device (40) from a base machine (20) via a pipe guide arm (60). As shown in FIGS. 1 to 3, the pipe guide arm (60) is a rod that is pivotally supported on the front side of the base machine (20) so as to be able to undulate. An example of the pipe guide arm (60) is a rod having an H-shaped cross section as shown in FIG. A pipe on the base machine side is provided in one concave portion (62) of the rod, and the pipe is restrained to the pipe guide arm (60) by a steel plate (66) or a U-shaped clamp at predetermined intervals. Have been. Also,
At the tip of the pipe guide arm (60), as shown in FIG.
An end plate (68) for preventing the displacement of (50) is provided. In addition,
The shape of the pipe guide arm (60) is not limited to this.
【００１８】ベースマシン側の配管(50)は、配管案内ア
ーム(60)の先端まで配管案内アーム(60)に拘束された状
態で配設されており、配管案内アーム(60)の先端で拘束
を解かれ、無拘束の状態で作業装置(40)に接続されてい
る。配管案内アーム(60)から作業装置(40)までの配管(5
0)の長さは、配管案内アーム(60)をほぼ垂直に立設した
状態で、作業装置(40)がリーダ(30)の上部及び下部に十
分到達する長さに設定されている。The pipe (50) on the base machine side is disposed in a state where it is restrained by the pipe guide arm (60) up to the tip of the pipe guide arm (60), and is restricted by the tip of the pipe guide arm (60). And is connected to the working device (40) in an unrestricted state. Piping (5) from the piping guide arm (60) to the work equipment (40)
The length of (0) is set to a length that allows the working device (40) to sufficiently reach the upper and lower portions of the reader (30) in a state where the pipe guide arm (60) is erected substantially vertically.
【００１９】ベースマシン(20)には、配管案内アーム(6
0)を、リーダ(30)の起伏とは無関係に独立して、地面に
対してほぼ平行な収納状態からほぼ垂直な状態まで起伏
させるアーム起伏手段(70)が配備される。アーム起伏手
段(70)として、油圧シリンダ装置を例示することができ
る。油圧シリンダ装置は、一端がベースマシン(20)に枢
支され、他端が配管案内アーム(60)に枢支されており、
油圧シリンダ装置を伸ばすと配管案内アーム(60)が地盤
に対してほぼ垂直な状態まで起立し、油圧シリンダ装置
を縮めると配管案内アーム(60)が地盤に対してほぼ平行
な状態まで倒伏する。The base machine (20) has a piping guide arm (6
An arm raising / lowering means (70) for raising / lowering (0) from a storage state substantially parallel to the ground to a state substantially vertical to the ground independently of the raising / lowering of the leader (30) is provided. As the arm raising / lowering means (70), a hydraulic cylinder device can be exemplified. The hydraulic cylinder device has one end pivotally supported by the base machine (20) and the other end pivotally supported by the piping guide arm (60),
When the hydraulic cylinder device is extended, the pipe guide arm (60) stands up to a state substantially perpendicular to the ground, and when the hydraulic cylinder device is contracted, the pipe guide arm (60) falls down to a state substantially parallel to the ground.
【００２０】作業を行なう際には、リーダ(30)を地盤に
対してほぼ垂直に立設させると共に、図２に示すよう
に、アーム起伏手段(70)によって、配管案内アーム(60)
を起立させる。配管案内アーム(60)を起立させると、配
管(50)の弛みの最下部(52)は、作業装置(40)と配管案内
アーム(60)の先端とのほぼ中間位置に位置する。このた
め、配管(50)の弛みが大きい場合には、図１に示すよう
に、配管案内アーム(60)を後方に傾けて、配管(50)の弛
みを適宜調節する。これによって、配管(50)の弛みの最
下部(52)は後方に移動するから、配管(50)が作業装置(4
0)に巻き付いたり、巻き込まれることがない。When performing the work, the leader (30) is erected substantially perpendicularly to the ground, and as shown in FIG. 2, the pipe guide arm (60) is moved by the arm up / down means (70).
Erect. When the pipe guide arm (60) is raised, the lowermost part (52) of the slack of the pipe (50) is located at a substantially intermediate position between the working device (40) and the tip of the pipe guide arm (60). For this reason, when the slack of the pipe (50) is large, as shown in FIG. 1, the slack of the pipe (50) is appropriately adjusted by tilting the pipe guide arm (60) backward. As a result, the lowermost part (52) of the slack of the pipe (50) moves backward, so that the pipe (50) is
It does not wrap around or get caught in 0).
【００２１】作業装置(40)を途中で交換する必要がある
ときには、作業装置(40)に接続された配管(50)を取り外
し、別の作業装置に接続すればよい。なお、作業に必要
な配管をすべて配管案内アーム(60)に予め配設してお
き、図５に示すように、配管案内アーム(60)の先端にジ
ョイント(54)を設けておくことが望ましい。作業装置(4
0)を交換したときに不要となる配管、或いは必要となる
配管がある場合には、ジョイント(54)に配管(50)を接続
し、又はジョイント(54)から配管(50)を取り外すと、不
要な配管が配管案内アーム(60)から垂れ下がった状態で
作業が行なわれることがない。配管(50)の接続等を行な
うときには、配管案内アーム(60)を後方に倒せば、作業
性にもすぐれる。When it is necessary to replace the working device (40) halfway, the pipe (50) connected to the working device (40) may be removed and connected to another working device. In addition, it is desirable that all the pipes necessary for the work are previously arranged on the pipe guide arm (60), and a joint (54) is provided at the tip of the pipe guide arm (60) as shown in FIG. . Working device (4
If there is a pipe that becomes unnecessary when replacing (0) or there is a pipe that becomes necessary, connect the pipe (50) to the joint (54), or remove the pipe (50) from the joint (54), The work is not performed in a state where unnecessary piping hangs from the piping guide arm (60). When connecting the pipe (50) or the like, if the pipe guide arm (60) is tilted backward, workability is improved.
【００２２】作業終了後は、図１に示すように、リーダ
(30)と配管案内アーム(60)を夫々地盤とほぼ平行となる
ように傾けて格納することができる。なお、配管案内ア
ーム(60)を格納する際に、作業装置側の配管(50)を図３
に示すように、配管案内アーム(60)の凹部(64)に収容す
ると、格納時の配管(50)のバラツキを防止できる。After the work is completed, as shown in FIG.
The (30) and the pipe guide arm (60) can be stored while being inclined so as to be substantially parallel to the ground. When the pipe guide arm (60) is stored, the pipe (50) on the working device side is
As shown in (5), when housed in the concave portion (64) of the pipe guide arm (60), it is possible to prevent variation in the pipe (50) during storage.
【００２３】なお、上記実施例では、ベースマシン側の
配管を拘束したが、配管案内アーム(60)の先端にのみ配
管を固定し、ベースマシン側の配管も無拘束な状態にし
てもよい。In the above embodiment, the pipe on the base machine side is restricted, but the pipe may be fixed only to the tip of the pipe guide arm (60), and the pipe on the base machine side may be unrestricted.
【００２４】また、図２及び図３に示すように、配管案
内アーム(60)とアーム起伏手段(70)とをプレート(80)上
に配備したユニットを作製することもできる。該ユニッ
トを既存の建設機械に取り付けることによって、本発明
を容易に実施することができ、配管(50)の巻き付き、巻
き込みを防止することができる。As shown in FIGS. 2 and 3, a unit in which a pipe guide arm (60) and an arm raising / lowering means (70) are provided on a plate (80) can be manufactured. By attaching the unit to an existing construction machine, the present invention can be easily implemented, and the winding of the pipe (50) can be prevented.
【００２５】上記実施例の説明は、本発明を説明するた
めのものであって、特許請求の範囲に記載の発明を限定
し、或は範囲を減縮する様に解すべきではない。又、本
発明の各部構成は上記実施例に限らず、特許請求の範囲
に記載の技術的範囲内で種々の変形が可能である。The description of the above embodiments is for the purpose of illustrating the present invention and should not be construed as limiting the invention described in the claims or reducing the scope thereof. Further, the configuration of each part of the present invention is not limited to the above embodiment, and various modifications can be made within the technical scope described in the claims.
【図１】本発明の配管案内アームを具えた建設機械の側
面図である。FIG. 1 is a side view of a construction machine having a piping guide arm according to the present invention.
【図２】配管案内アームを起立した状態を示す要部拡大
図である。FIG. 2 is an enlarged view of a main part showing a state where a pipe guide arm is erected.
【図３】配管案内アームを倒伏した状態を示す要部拡大
図である。FIG. 3 is an enlarged view of a main part showing a state where a pipe guide arm is folded down.
【図４】配管案内アームの断面図である。FIG. 4 is a sectional view of a pipe guide arm.
【図５】配管案内アームの先端の拡大断面図である。FIG. 5 is an enlarged sectional view of a tip of a pipe guide arm.
【図６】従来の建設機械の側面図である。FIG. 6 is a side view of a conventional construction machine.
(10) 建設機械 (20) ベースマシン (30) リーダ (40) 作業装置 (50) 配管 (60) 配管案内アーム (70) アーム起伏手段 (10) Construction machinery (20) Base machine (30) Leader (40) Working equipment (50) Piping (60) Piping guide arm (70) Arm hoisting means
Claims (3)
たリーダ(30)に、作業装置(40)が昇降可能に配備され、
作業装置(40)にはベースマシン(20)から駆動用及び／又
は制御用のオイルや電気が送給される配管(50)を接続し
てなる建設機械において、 ベースマシン(20)には、リーダ(30)の後方で前記配管(5
0)を支持する配管案内アーム(60)を起伏可能に配備し、
配管(50)は、配管案内アーム(60)を経由して作業装置(4
0)に接続されるようにしたことを特徴とする配管案内ア
ームを具えた建設機械。A working device (40) is provided on a reader (30) attached in front of a base machine (20) so as to be able to move up and down.
In a construction machine connected to the working device (40) with a pipe (50) through which oil and electricity for driving and / or control are supplied from the base machine (20), the base machine (20) includes: Behind the leader (30), the piping (5
A pipe guide arm (60) that supports
The pipe (50) is connected to the work equipment (4) via the pipe guide arm (60).
A construction machine provided with a piping guide arm, which is connected to (0).
案内アーム(60)に沿って拘束した状態で配設され、配管
案内アーム(60)の先端から無拘束で直接作業装置(40)に
接続される請求項１に記載の配管案内アームを具えた建
設機械。The pipe (50) is disposed in a state of being restrained from the base machine (20) along the pipe guide arm (60), and is directly connected to the working device (10) from the tip of the pipe guide arm (60) without restraint. A construction machine comprising the pipe guide arm according to claim 1, which is connected to (40).
降位置に合わせて配管案内アーム(60)を起伏するアーム
起伏手段(70)を具える請求項１又は請求項２に記載の配
管案内アームを具えた建設機械。3. The base machine (20) according to claim 1 or 2, wherein the base machine (20) includes an arm raising / lowering means (70) for raising and lowering the pipe guide arm (60) in accordance with an elevation position of the working device (40). Construction equipment equipped with a plumbing guide arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10091074A JP3105487B2 (en) | 1998-04-03 | 1998-04-03 | Construction machine with piping guide arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10091074A JP3105487B2 (en) | 1998-04-03 | 1998-04-03 | Construction machine with piping guide arm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11286960A JPH11286960A (en) | 1999-10-19 |
| JP3105487B2 true JP3105487B2 (en) | 2000-10-30 |
Family
ID=14016370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10091074A Expired - Lifetime JP3105487B2 (en) | 1998-04-03 | 1998-04-03 | Construction machine with piping guide arm |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3105487B2 (en) |
-
1998
- 1998-04-03 JP JP10091074A patent/JP3105487B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11286960A (en) | 1999-10-19 |
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