JP4300298B2

JP4300298B2 - Work machine

Info

Publication number: JP4300298B2
Application number: JP2003111693A
Authority: JP
Inventors: 茂男廣瀬; 俊仁岡本; 靖福田; 竜一程島
Original assignee: Tokyo Institute of Technology NUC
Current assignee: Tokyo Institute of Technology NUC
Priority date: 2003-04-16
Filing date: 2003-04-16
Publication date: 2009-07-22
Anticipated expiration: 2023-04-16
Also published as: JP2004314793A

Description

【０００１】
【発明の属する技術分野】
本発明は法面上等を移動して荷物の上げ下ろしや、法面に穴を形成したりする作業を行なう場合に使用する作業機械に関する。
【０００２】
【従来の技術】
従来、この種の作業機械の前後左右の脚部材の先端部に、前後方向に回動可能でかつ水平方向に回動できる支持体が取付けられている。
【０００３】
［特許文献］特願２００２−１２３７５３
【０００４】
【発明が解決しようとする課題】
従来の作業機械は前後左右の脚部材の先端部に取付けられた支持体が前後方向と水平方向にしか回動しないため、左右方向に傾斜している法面部位には安定状態で支持させることができず、危険な状態になりやすいという欠点があった。
【０００５】
本発明は以上のような従来の欠点に鑑み、どんな形状の法面等であっても、確実に安定状態で支持体を支持させ、安全な状態での移動が可能な作業機械を提供することを目的としている。
【０００６】
本発明の前記ならびにそのほかの目的と新規な特徴は次の説明を添付図面と照らし合わせて読むと、より完全に明らかになるであろう。
ただし、図面はもっぱら解説のためのものであって、本発明の技術的範囲を限定するものではない。
【０００７】
【課題を解決するための手段】
上記目的を達成するために、本発明は車体の前後左右部位にブームとアームとからなる前後左右の脚部材と、この前後左右の脚部材の先端部にそれぞれ取付けられた支持装置とを備えた作業機械において、前記支持装置を前記アームの先端部にユニバーサルジョイントを介してほぼ中央部が取付けられた支持体と、前記アームの先端部に取付けられたユニバーサルジョイントの軸の両端部に取付けられた一対の支持アーム、この一対の支持アームの先端部に上端部が枢支され、下端部が前記支持体の中央部よりも外方の両側寄りの部位にボールジョイントを介して取付けられた一対のロッドエンド、前記一対の支持アームをそれぞれ回動させることができるように前記アームに取付けられた一対の支持アーム回動用油圧シリンダーとからなる支持体回動装置とで作業機械を構成している。
【０００８】
【発明の実施の形態】
以下、図面に示す実施の形態により、本発明を詳細に説明する。
【０００９】
図１ないし図１１に示す本発明の第１の実施の形態において、１は法面や法枠上を移動して荷物の上げ下げ等の作業を行なうことができる本発明の作業機械で、この作業機械１は外周部にフェンス２が設けられた車体３と、この車体３の前後左右部位に取付けられた前後左右の脚部材４、４、４、４と、この脚部材４、４、４、４の先端部にそれぞれ取付けられた支持装置５、５、５、５と、前記車体３に選択的に取付けられるウインチ６とで構成されている。
【００１０】
前記前後左右の脚部材４、４、４、４は、前記車体３の前後左右部位にそれぞれ水平方向に回動可能に取付けられた支持金具７、７、７、７と、この支持金具７、７、７、７を回動させる一端部が該支持金具７、７、７、７に枢支ピン８、８、８、８で枢支され、他端部が前記車体３に枢支ピン９、９、９、９で枢支された支持金具回動用油圧シリンダー１０、１０、１０、１０と、前記支持金具７、７、７、７に下端部が枢支ピン１１、１１、１１、１１で垂直方向に回動可能に取付けられたブーム１２、１２、１２、１２と、このブーム１２、１２、１２、１２をそれぞれ垂直方向に回動させる一端部が該ブーム１２、１２、１２、１２に枢支ピン１３、１３、１３、１３で枢支され、他端部が前記支持金具７、７、７、７に枢支ピン１４、１４、１４、１４で枢支されたブーム回動用油圧シリンダー１５、１５、１５、１５と、前記ブーム１２、１２、１２、１２の先端部にそれぞれ垂直方向に回動可能に後端部が枢支ピン１６、１６、１６、１６で枢支されたアーム１７、１７、１７、１７と、このアーム１７、１７、１７、１７をそれぞれ垂直方向に回動させる一端部が前記支持金具７、７、７、７に枢支ピン１８、１８、１８、１８で枢支され、他端部が該アーム１７、１７、１７、１７に枢支ピン１９、１９、１９、１９で枢支されたアーム回動用油圧シリンダー２０、２０、２０、２０とで構成されている。
【００１１】
前記支持装置５、５、５、５は前記アーム１７、１７、１７、１７の先端部にそれぞれ形成されたコ字状のアーム側軸受部２１、このアーム側軸受部２１に一方の軸２２が回動可能に取付けられたユニバーサルジョイント本体２３、このユニバーサルジョイント本体２３の他方の軸２４に回動可能に取付けられた先端部がコ字状の支持体側軸受部２５が形成された支持体側軸受部材２６とからなるユニバーサルジョイント２７と、このユニバーサルジョイント２７の支持体側軸受部材２６がほぼ中央部に固定された取付板２８、この取付板２８の底面に旋回可能に取付けられた支持板２９、前記取付板２８に取付けられた前記支持板２９を旋回させる支持板旋回装置３０とからなる支持体３１と、前記ユニバーサルジョイント本体２３の一方の軸２２の両端部に後端部が取付けられた一対の支持アーム３２、３２、この一対の支持アーム３２、３２の先端部に上端部が枢支ピン３３、３３で枢支され、下端部が前記支持体３１の取付板２８の中央部よりも外方の両側寄りの部位にボールジョイント３４、３４を介して取付けられた一対のロットエンド３５、３５、前記一対の支持アーム３２、３２の先端部にそれぞれ先端部が前記枢支ピン３３、３３で枢支された一対の作動杆３６、３６、この一対の作動杆３６、３６の後端部に先端部が枢支ピン３７、３７で枢支され、後端部が前記アーム１７の先端部寄りの両端部に枢支ピン３８、３８で枢支された一対の保持アーム３９、３９、この一対の保持アーム３９、３９の先端部の前記枢支ピン３７、３７に枢支された、前記一対の作動杆３６、３６を介して前記一対の支持アーム３２、３２をそれぞれ回動させることができる、前記アーム１７に後端部が枢支ピン４０、４０で枢支された一対の支持アーム回動用油圧シリンダー４１、４１とからなる支持体回動装置４２と、前記支持体３１の支持板２９の底面のほぼ中央部に枢支ピン４３でほぼ中央部が枢支された２個の挟着片支持バー４４、４４、この２個の挟着片支持バー４４、４４の両端部に下方へ突出するように固定された挟着片４５、４５、４５、４５、前記２個の挟着片支持バー４４、４４の一方の挟着片支持バー４４に作動杆４６の先端部が枢支ピン４７で枢支され、他方の挟着片支持バー４４に後端部あるいはシリンダー本体４８のほぼ中央部が枢支ピン４９で枢支された挟着片支持バー回動用油圧シリンダー５０とからなる枠挟着機構５１とで構成されている。
【００１２】
上記構成の作業機械１は作業する法枠等の枠５２の下部に位置させ、必要に応じてウインチ６のワイヤー５３を出して、法枠等の枠５２の上部の位置の固定体５４にワイヤー５３の先端部に固定されたフック５５を用いて固定する。
この状態からウインチ６を作動させてワイヤー５３を巻き取りながら、前後左右の脚部材４、４、４、４の支持金具回動用油圧シリンダー１０、１０、１０、１０のブーム回動用油圧シリンダー１５、１５、１５、１５およびアーム回動用油圧シリンダー２０、２０、２０、２０をそれぞれ脚部材の油圧制御装置５６で伸縮させ、法枠等の枠５２の枠部材５２ａの上面と支持体３１、３１、３１、３１の底面がほぼ平行状態となるように支持体回動装置４２、４２、４２、４２の支持アーム回動用油圧シリンダー４１、４１をそれぞれ操作するとともに、枠挟着装置５１、５１、５１、５１の挟着片支持バー回動用油圧シリンダー５０、５０、５０、５０をそれぞれ作動させて、挟着片４５、４５、４５、４５で枠部材５２ａを挟着しながら上下左右方向に移動させる。
このため、支持体３１、３１、３１、３１が位置される法枠等の枠５２が前後左右方向に傾斜していても、支持体３１、３１、３１、３１を法枠等の枠５２の上面とほぼ平行状態に位置でき、枠挟着装置５１、５１、５１、５１の挟着片４５、４５、４５、４５で、それぞれ確実に枠部材５２ａを挟着固定することができる。
【００１３】
【発明の異なる実施の形態】
次に、図１２ないし図２１に示す本発明の異なる実施の形態につき説明する。なお、これらの本発明の異なる実施の形態の説明に当って、前記本発明の第１の実施の形態と同一構成部分には同一符号を付して重複する説明を省略する。
【００１４】
図１２ないし図１５に示す本発明の第２の実施の形態において、前記本発明の第１の実施の形態と主に異なる点は、一対の支持アーム３２、３２の先端部に取付けられた枢支ピン３３、３３に一対の支持アーム回動用油圧シリンダー４１、４１の先端部を枢支させた支持体回動装置４２Ａ、４２Ａ、４２Ａ、４２Ａを使用した支持装置５Ａ、５Ａ、５Ａ、５Ａを用いた点で、このような支持装置５Ａ、５Ａ、５Ａ、５Ａを用いて構成した作業機械１Ａにしても、前記本発明の第１の実施の形態と同様な作用効果が得られる。
【００１５】
図１６および図１７に示す本発明の第３の実施の形態において、前記本発明の第１の実施の形態と主に異なる点は、車体３にスイングブーム５７を介して穴明け装置５８を取付けた点で、このように構成した作業機械１Ｂにしても、前記本発明の第１の実施の形態と同様に法枠等の枠５２を挟着しながら、上下左右方向に移動しながら穴明け作業を行なうことができる。
【００１６】
前記スイングブーム５７は車体３の前部の上部へ突出する取付台５９に枢支ピン６０で回動可能に取付けられた支持台６１と、この支持台６１を前後方向に回動させる支持台前後移動用油圧シリンダー６２と、前記支持台６１に左右方向に回動させる支持台左右移動用油圧シリンダー６３を用いた回動機構６４を介して取付けられたスイングブーム本体６５とで構成されている。
【００１７】
前記穴明け装置５８は前記スイングブーム５７の先端部に取付けられたガイドシェル６６と、このガイドシェル６６に取付けられた油圧ドリフター６７とで構成されている。
【００１８】
図１８ないし図２１に示す本発明の第４の実施の形態において、前記本発明の第１の実施の形態と主に異なる点は、取付板２８の底面に複数個の係止爪６８が形成された支持体３１Ａ、３１Ａ、３１Ａ、３１Ａを使用した支持装置５Ｂ、５Ｂ、５Ｂ、５Ｂを用いた点で、このような支持装置５Ｂ、５Ｂ、５Ｂ、５Ｂを用いて構成した作業機械１Ｃにしても、前記本発明の第１の実施の形態と同様な作用効果が得られる。
【００１９】
【発明の効果】
以上の説明から明らかなように、本発明にあっては次に列挙する効果が得られる。
【００２０】
（１）車体の前後左右部位にブームとアームとからなる前後左右の脚部材と、この前後左右の脚部材の先端部にそれぞれ取付けられた支持装置とを備えた作業機械において、前記支持装置を前記アームの先端部にユニバーサルジョイントを介してほぼ中央部が取付けられた支持体と、前記アームの先端部に取付けられたユニバーサルジョイントの軸の両端部に取付けられた一対の支持アーム、この一対の支持アームの先端部に上端部が枢支され、下端部が前記支持体の中央部よりも外方の両側寄りの部位にボールジョイントを介して取付けられた一対のロッドエンド、前記一対の支持アームをそれぞれ回動させることができるように前記アームに取付けられた一対の支持アーム回動用油圧シリンダーとからなる支持体回動装置とで構成されているので、前後左右の脚部材の先端部に取付けられた支持体をそれぞれ支持体回動装置によって上下左右方向に回動させて、接地面に面接触できるように位置させることができる。
したがって、支持体を接地面に確実に接地させて、安全に移動することができる。
【００２１】
（２）前記（１）によって、一対の支持アーム回動用油圧シリンダーの操作によって、一対のロッドエンドを移動させることにより、支持体を上下左右方向に回動させることができる。
したがって、一対の支持アーム回動用油圧シリンダーの伸縮操作だけでよく、容易に、楽に支持体を接地面に面接触するように回動させることができる。
【００２２】
（３）前記（１）によって、アームの先端部にユニバーサルジョイントを介して支持体を取付けているので、支持体をスムーズに上下左右方向に回動させることができるとともに、ユニバーサルジョイントと一対の支持アームに枢支された一対のロットエンドで支持されるため、確実に位置決めした状態で支持体を固定することができる。
したがって、支持体がスムーズに上下左右方向に回動するとともに、位置決め状態で確実に固定でき、安全に支持させることができる。
【００２３】
（４）請求項２、３、４も前記（１）〜（３）と同様な作用効果が得られる。
【図面の簡単な説明】
【図１】本発明の第１の実施の形態の平面図。
【図２】本発明の第１の実施の形態の側面図。
【図３】本発明の第１の実施の形態の脚部材の動作説明図。
【図４】本発明の第１の実施の形態の支持体回動装置の側面図。
【図５】本発明の第１の実施の形態の支持体回動装置の平面図。
【図６】本発明の第１の実施の形態の支持体回動装置の上下方向の動作説明図。
【図７】本発明の第１の実施の形態の支持体回動装置の左右方向の動作説明図。
【図８】本発明の第１の実施の形態の挟着装置の側面図。
【図９】本発明の第１の実施の形態の挟着装置の底面図。
【図１０】本発明の第１の実施の形態の挟着装置の動作説明図。
【図１１】本発明の第１の実施の形態の使用状態の説明図。
【図１２】本発明の第２の実施の形態の平面図。
【図１３】本発明の第２の実施の形態の側面図。
【図１４】本発明の第２の実施の形態の支持体回動装置の側面図。
【図１５】本発明の第２の実施の形態の支持体回動装置の平面図。
【図１６】本発明の第３の実施の形態の平面図。
【図１７】本発明の第３の実施の形態の側面図。
【図１８】本発明の第４の実施の形態の平面図。
【図１９】本発明の第４の実施の形態の側面図。
【図２０】本発明の第４の実施の形態の支持体回動装置の側面図。
【図２１】本発明の第４の実施の形態の支持体の底面図。
【符号の説明】
１、１Ａ、１Ｂ、１Ｃ：作業機械、
２：フエーンス、３：車体、
４：脚部材、
５、５Ａ、５Ｂ：支持装置、
６：ウインチ、７：支持金具、
８：枢支ピン、９：枢支ピン、
１０：支持金具回動用油圧シリンダー、
１１：枢支ピン、１２：ブーム、
１３：枢支ピン、１４：枢支ピン、
１５：ブーム回動用油圧シリンダー、
１６：枢支ピン、１７：アーム、
１８：枢支ピン、１９：枢支ピン、
２０：アーム回動用油圧シリンダー、
２１：アーム側軸受部、２２：一方の軸、
２３：ユニバーサルジョイント本体、
２４：他方の軸、２５：支持体側軸受部、
２６：支持体側軸受部材、
２７：ユニバーサルジョイント、
２８：取付板、２９：支持板、
３０：支持板旋回装置、３１、３１Ａ：支持体、
３２：支持アーム、
３３：枢支ピン、
３４：ボールジョイント、３５：ロッドエンド、
３６：作動杆、３７：枢支ピン、
３８：枢支ピン、３９：保持アーム、
４０：枢支ピン、
４１：支持アーム回動用油圧シリンダー、
４２、４２Ａ：支持体回動装置、
４３：枢支ピン、４４：挟着片支持バー、
４５：挟着片、４６：作動杆、
４７：枢支ピン、４８：シリンダー本体、
４９：枢支ピン、
５０：挟着片支持バー回動用油圧シリンダー、
５１：枠挟着装置、
５２：枠、
５３：ワイヤー、５４：固定体、
５５：フック、
５６：脚部材の油圧制御装置、
５７：スイングブーム、５８：穴明け装置、
５９：取付台、６０：枢支ピン、
６１：支持台、
６２：支持台前後移動用油圧シリンダー、
６３：支持台左右移動用油圧シリンダー、
６４：回動機構、
６５：スイングブーム本体、
６６：ガイドシェル、６７：油圧ドリフター、
６８：係止爪。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a working machine that is used when performing operations such as raising and lowering a load by moving on a slope or forming a hole in a slope.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a support body that can be rotated in the front-rear direction and that can be rotated in the horizontal direction has been attached to the front ends of the front and rear leg members of this type of work machine.
[0003]
[Patent Literature] Japanese Patent Application No. 2002-123753
[0004]
[Problems to be solved by the invention]
In conventional work machines, the support attached to the tip of the front / rear / left / right leg members can only rotate in the front / rear direction and the horizontal direction. There was a drawback that it was not possible to do so, and it was easy to be in a dangerous state.
[0005]
In view of the above-described conventional drawbacks, the present invention provides a working machine that can support a support in a stable state and can move in a safe state regardless of the shape of a slope. It is an object.
[0006]
The above and other objects and novel features of the present invention will become more fully apparent when the following description is read in conjunction with the accompanying drawings.
However, the drawings are for explanation only and do not limit the technical scope of the present invention.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, the present invention comprises front and rear, left and right leg members comprising booms and arms at front and rear and left and right parts of a vehicle body, and support devices attached to the front and rear left and right leg members, respectively. a working machine, and the support device a substantially central portion support attached member via a universal joint to the distal end of the arm, attached to both ends of the shaft of the universal joint mounted to the distal end of the arm A pair of support arms, a pair of support arms having a top end pivotally supported at a tip portion of the pair of support arms, and a bottom end attached to a portion closer to both sides outward than the center portion of the support body via a ball joint It consists of a rod end and a pair of support arm turning hydraulic cylinders attached to the arms so that the pair of support arms can be turned respectively. Constitute a working machine with a bearing member rotating device.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail with reference to embodiments shown in the drawings.
[0009]
In the first embodiment of the present invention shown in FIGS. 1 to 11, reference numeral 1 denotes a work machine according to the present invention which can move on a slope or a frame and perform operations such as raising and lowering a load. The machine 1 includes a vehicle body 3 having a fence 2 on the outer periphery, front and rear leg members 4, 4, 4, 4 attached to front, rear, left and right parts of the vehicle body 3, and leg members 4, 4, 4, 4, supporting devices 5, 5, 5, and 5, which are respectively attached to the front end portions, and winches 6 that are selectively attached to the vehicle body 3.
[0010]
The front / rear and left / right leg members 4, 4, 4, 4 are respectively provided with support brackets 7, 7, 7, 7 attached to the front / rear / left / right portions of the vehicle body 3 so as to be rotatable in the horizontal direction. One end portion for rotating 7, 7, 7 is pivotally supported by the support brackets 7, 7, 7, 7 by pivot pins 8, 8, 8, 8, and the other end portion is pivoted by the vehicle body 3. , 9, 9, 9 and 9, 9, 9, 9, and hydraulic cylinders 10, 10, 10, 10 for pivoting the support fittings, and the support fittings 7, 7, 7, 7 have pivot pins 11, 11, 11, 11 And the booms 12, 12, 12, and 12 that are pivotably mounted in the vertical direction, and the booms 12, 12, 12, and 12 have one ends that rotate the booms 12, 12, 12, and 12 in the vertical direction. Are pivotally supported by pivot pins 13, 13, 13, 13, and the other end is pivotally supported by the support fitting 7, 7, 7, 7. , 14, 14, 14 are pivoted hydraulic cylinders 15, 15, 15, 15, and rear ends of the booms 12, 12, 12, 12 are pivotable in the vertical direction. Arms 17, 17, 17, 17 pivotally supported by pivot pins 16, 16, 16, 16, and one end portions for rotating the arms 17, 17, 17, 17 in the vertical direction are the support bracket 7, 7, 7, 7 are pivotally supported by pivot pins 18, 18, 18, 18, and the other end is pivotally supported by the arms 17, 17, 17, 17 by pivot pins 19, 19, 19, 19. The arm turning hydraulic cylinder 20, 20, 20, 20 is configured.
[0011]
The support devices 5, 5, 5, 5 are U-shaped arm-side bearing portions 21 formed at the distal ends of the arms 17, 17, 17, 17, respectively, and one shaft 22 is connected to the arm-side bearing portion 21. A universal joint body 23 that is rotatably attached, and a support side bearing member in which a support side bearing part 25 having a U-shaped tip attached to the other shaft 24 of the universal joint body 23 is formed. 26, a mounting plate 28 in which the support-side bearing member 26 of the universal joint 27 is fixed at a substantially central portion, a support plate 29 pivotally mounted on the bottom surface of the mounting plate 28, and the mounting. One of the universal joint body 23 and a support 31 comprising a support plate turning device 30 for turning the support plate 29 attached to the plate 28. A pair of support arms 32 and 32 having rear end portions attached to both ends of the shaft 22, upper ends of the pair of support arms 32 and 32 are pivotally supported by pivot pins 33 and 33, and lower ends are A pair of lot ends 35, 35 attached to the portions closer to both sides of the support 31 than the central portion of the mounting plate 28 via ball joints 34, 34, and the tips of the pair of support arms 32, 32. A pair of actuating rods 36, 36 whose front ends are pivotally supported by the pivot pins 33, 33, respectively, and the distal ends of the pair of actuating rods 36, 36 are pivoted by pivot pins 37, 37. A pair of holding arms 39, 39 supported by pivot pins 38, 38 at both ends of the arm 17 near the tip end of the arm 17, and the tip ends of the pair of holding arms 39, 39 are supported. The pair of pivots 37, 37 pivotally supported by the pivot pins 37, 37 The pair of support arms 32, 32 can be rotated via the swing rods 36, 36, respectively, and a pair of support arms that are pivotally supported on the arms 17 by pivot pins 40, 40. A support rotating device 42 composed of hydraulic cylinders 41 and 41, and two clamping pieces whose central part is pivotally supported by a pivot pin 43 at a substantially central part of the bottom surface of the support plate 29 of the support 31. Support bars 44, 44, sandwiching pieces 45, 45, 45, 45 fixed to both ends of the two sandwiching piece support bars 44, 44 so as to protrude downward, the two sandwiching piece supports The front end portion of the operating rod 46 is pivotally supported by a pivot pin 47 on one sandwiching piece support bar 44 of the bars 44, 44, and the rear end portion or the substantially central portion of the cylinder body 48 is supported on the other sandwiching piece support bar 44. Is a hydraulic series for pivoting a clamping piece support bar pivotally supported by a pivot pin 49 It is comprised with the frame clamping mechanism 51 which consists of a der 50.
[0012]
The work machine 1 having the above-described configuration is positioned below the frame 52 such as the working frame, and the wire 53 of the winch 6 is taken out as necessary, and the wire is connected to the fixed body 54 at the position above the frame 52 such as the frame. The hook 55 is fixed to the distal end portion of 53 and fixed.
From this state, the winch 6 is operated and the wire 53 is wound up, while the front and rear, left and right leg member 4, 4, 4, 4 support bracket rotating hydraulic cylinder 10, 10, 10, 10 boom rotating hydraulic cylinder 15, 15, 15, 15 and arm turning hydraulic cylinders 20, 20, 20, 20 are respectively expanded and contracted by a leg member hydraulic control device 56, and the upper surface of the frame member 52 a of the frame 52 such as a normal frame and the supports 31, 31, The support arm rotating hydraulic cylinders 41 and 41 of the support rotating devices 42, 42, 42, and 42 are operated so that the bottom surfaces of the 31 and 31 are substantially parallel to each other, and the frame clamping devices 51, 51, and 51 are operated. , 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51. Move down the left-right direction.
For this reason, even if the frame 52 such as a normal frame in which the support bodies 31, 31, 31, 31 are positioned is inclined in the front-rear and left-right directions, the support bodies 31, 31, 31, 31 are not The frame member 52a can be securely clamped and fixed by the clamping pieces 45, 45, 45, 45 of the frame clamping devices 51, 51, 51, 51, respectively.
[0013]
Different Embodiments of the Invention
Next, different embodiments of the present invention shown in FIGS. 12 to 21 will be described. In the description of the different embodiments of the present invention, the same components as those in the first embodiment of the present invention are denoted by the same reference numerals, and redundant description is omitted.
[0014]
The second embodiment of the present invention shown in FIGS. 12 to 15 is mainly different from the first embodiment of the present invention in that the pivots attached to the distal ends of the pair of support arms 32 and 32 are the same. Support devices 5A, 5A, 5A, and 5A using support body rotation devices 42A, 42A, 42A, and 42A in which the tip portions of a pair of support arm rotation hydraulic cylinders 41 and 41 are pivotally supported on the support pins 33 and 33, respectively. In the point of use, even with the work machine 1A configured using such support devices 5A, 5A, 5A, and 5A, the same operational effects as those of the first embodiment of the present invention can be obtained.
[0015]
The third embodiment of the present invention shown in FIGS. 16 and 17 is mainly different from the first embodiment of the present invention in that a drilling device 58 is attached to the vehicle body 3 via a swing boom 57. Even in the work machine 1B configured as described above, as in the first embodiment of the present invention, the punch 52 is moved while moving vertically and horizontally while sandwiching the frame 52 such as the normal frame. Work can be done.
[0016]
The swing boom 57 includes a support base 61 that is pivotally attached to a mounting base 59 that protrudes to the upper portion of the front portion of the vehicle body 3 by a pivot pin 60, and a front and rear support base that rotates the support base 61 in the front-rear direction. A moving hydraulic cylinder 62 and a swing boom main body 65 attached via a rotating mechanism 64 using a supporting base left-right moving hydraulic cylinder 63 that rotates the supporting base 61 in the left-right direction are configured.
[0017]
The drilling device 58 includes a guide shell 66 attached to the tip of the swing boom 57 and a hydraulic drifter 67 attached to the guide shell 66.
[0018]
The fourth embodiment of the present invention shown in FIGS. 18 to 21 is mainly different from the first embodiment of the present invention in that a plurality of locking claws 68 are formed on the bottom surface of the mounting plate 28. The working machine 1C configured by using the supporting devices 5B, 5B, 5B, and 5B is used in that the supporting devices 5B, 5B, 5B, and 5B using the supported supports 31A, 31A, 31A, and 31A are used. However, the same effects as those of the first embodiment of the present invention can be obtained.
[0019]
【The invention's effect】
As is clear from the above description, the present invention has the following effects.
[0020]
(1) In a working machine including front and rear, left and right leg members including a boom and an arm at front and rear, left and right parts of a vehicle body, and support devices respectively attached to front end portions of the front, rear, left and right leg members. a support mounted substantially central portion through a universal joint to the distal end of the arm, a pair of support arms attached to opposite ends of the shaft of the universal joint attached to the tip portion of the arm, of the pair A pair of rod ends, the upper end of which is pivotally supported at the tip of the support arm and the lower end of which is attached to the outer side of the center of the support via both ball joints, the pair of support arms And a support rotating device comprising a pair of support arm rotating hydraulic cylinders attached to the arm so that each of them can be rotated. Runode can by respective support rotating device attached to the support at the distal end of the longitudinal and lateral leg member is rotated in the vertical and horizontal directions, it is positioned so as to be in surface contact with the ground surface.
Therefore, the support body can be securely grounded to the ground surface and moved safely.
[0021]
(2) According to the above (1), the support body can be rotated in the vertical and horizontal directions by moving the pair of rod ends by operating the pair of support arm rotating hydraulic cylinders.
Therefore, it is only necessary to extend and retract the pair of support arm rotating hydraulic cylinders, and the support can be easily and easily rotated so as to be in surface contact with the ground contact surface.
[0022]
(3) According to the above (1), since the support body is attached to the tip of the arm via the universal joint, the support body can be smoothly rotated in the vertical and horizontal directions, and the universal joint and the pair of supports. Since it is supported by a pair of lot ends pivotally supported by the arm, the support body can be fixed in a state of being positioned reliably.
Therefore, the support body can smoothly rotate in the vertical and horizontal directions, and can be securely fixed in the positioned state, and can be safely supported.
[0023]
(4) Claims 2, 3, and 4 can provide the same effects as the above (1) to (3).
[Brief description of the drawings]
FIG. 1 is a plan view of a first embodiment of the present invention.
FIG. 2 is a side view of the first embodiment of the present invention.
FIG. 3 is an operation explanatory view of a leg member according to the first embodiment of the present invention.
FIG. 4 is a side view of the support rotating device according to the first embodiment of the present invention.
FIG. 5 is a plan view of the support rotating device according to the first embodiment of the present invention.
FIG. 6 is an operation explanatory view in the vertical direction of the support rotating device according to the first embodiment of the present invention.
FIG. 7 is an explanatory diagram of an operation in the left-right direction of the support rotating device according to the first embodiment of the present invention.
FIG. 8 is a side view of the clamping device according to the first embodiment of the present invention.
FIG. 9 is a bottom view of the clamping device according to the first embodiment of the present invention.
FIG. 10 is an operation explanatory diagram of the clamping device according to the first embodiment of the present invention.
FIG. 11 is an explanatory diagram of a use state of the first embodiment of the present invention.
FIG. 12 is a plan view of a second embodiment of the present invention.
FIG. 13 is a side view of a second embodiment of the present invention.
FIG. 14 is a side view of a support rotating device according to a second embodiment of the present invention.
FIG. 15 is a plan view of a support rotating device according to a second embodiment of the present invention.
FIG. 16 is a plan view of a third embodiment of the present invention.
FIG. 17 is a side view of a third embodiment of the present invention.
FIG. 18 is a plan view of a fourth embodiment of the present invention.
FIG. 19 is a side view of the fourth embodiment of the present invention.
FIG. 20 is a side view of a support rotating device according to a fourth embodiment of the present invention.
FIG. 21 is a bottom view of a support according to a fourth embodiment of the present invention.
[Explanation of symbols]
1, 1A, 1B, 1C: work machine,
2: fence, 3: vehicle body,
4: Leg member,
5, 5A, 5B: support device,
6: winch, 7: support bracket,
8: pivot pin, 9: pivot pin,
10: Hydraulic cylinder for rotating support bracket,
11: Pivot pin, 12: Boom,
13: pivot pin, 14: pivot pin,
15: hydraulic cylinder for rotating the boom,
16: Pivot pin, 17: Arm,
18: pivot pin, 19: pivot pin,
20: Hydraulic cylinder for arm rotation,
21: Arm side bearing portion, 22: One shaft,
23: Universal joint body,
24: The other shaft, 25: Support side bearing portion,
26: Support side bearing member,
27: Universal joint,
28: Mounting plate, 29: Support plate,
30: Support plate turning device 31, 31A: Support,
32: Support arm,
33: pivot pin,
34: Ball joint, 35: Rod end,
36: Actuation rod, 37: Pivot pin,
38: Pivot pin, 39: Holding arm,
40: pivot pin,
41: Hydraulic cylinder for rotating the support arm,
42, 42A: Support body rotating device,
43: Pivot pin, 44: Clamping piece support bar,
45: clamping piece, 46: working rod,
47: pivot pin, 48: cylinder body,
49: pivot pin,
50: Hydraulic cylinder for rotating the sandwiching piece support bar,
51: Frame clamping device,
52: Frame,
53: Wire, 54: Fixed body,
55: Hook,
56: Hydraulic control device for leg members,
57: Swing boom, 58: Drilling device,
59: mounting base, 60: pivot pin,
61: Support stand,
62: Hydraulic cylinder for back and forth movement of support base,
63: Hydraulic cylinder for left / right movement of support base,
64: rotation mechanism,
65: Swing boom body,
66: Guide shell, 67: Hydraulic drifter,
68: A locking claw.

Claims

車体の前後左右部位にブームとアームとからなる前後左右の脚部材と、この前後左右の脚部材の先端部にそれぞれ取付けられた支持装置とを備えた作業機械において、前記支持装置を前記アームの先端部にユニバーサルジョイントを介してほぼ中央部が取付けられた支持体と、前記アームの先端部に取付けられたユニバーサルジョイントの軸の両端部に取付けられた一対の支持アーム、この一対の支持アームの先端部に上端部が枢支され、下端部が前記支持体の中央部よりも外方の両側寄りの部位にボールジョイントを介して取付けられた一対のロッドエンド、前記一対の支持アームをそれぞれ回動させることができるように前記アームに取付けられた一対の支持アーム回動用油圧シリンダーとからなる支持体回動装置とで構成したことを特徴とする作業機械。In a working machine comprising front and rear and left and right leg members comprising a boom and an arm at front and rear and right and left parts of a vehicle body, and support devices respectively attached to front and rear ends of the front and rear and left and right leg members, the support device is attached to the arm. a support substantially central portion is attached through a universal joint to the distal end portion, a pair of support arms attached to opposite ends of the shaft of the universal joint attached to the tip portion of the arm, of the pair of support arms A pair of rod ends and a pair of support arms, each having a top end pivotally supported by a tip end and a bottom end attached to a portion closer to both sides outside the center of the support via ball joints, are respectively rotated. And a support rotation device comprising a pair of support arm rotation hydraulic cylinders attached to the arm so as to be movable. Work machine to be.

車体の前後左右部位にブームとアームとからなる前後左右の脚部材と、この前後左右の脚部材の先端部にそれぞれ取付けられた支持装置とを備えた作業機械において、前記支持装置を前記アームの先端部に形成されたコ字状のアーム側軸受部、このアーム側軸受部に一方の軸が回動可能に取付けられたユニバーサルジョイント本体、このユニバーサルジョイント本体の他方の軸に回動可能に取付けられた先端部がコ字状の支持体側軸受部とからなるユニバーサルジョイントと、この支持体側軸受部がほぼ中央上面に固定された支持体と、前記ユニバーサルジョイント本体の一方の軸の両端部に後端部が取付けられた一対の支持アーム、この一対の支持アームの先端部に上端部が枢支され、下端部が前記支持体の中央部よりも外方の両側寄りの部位にボールジョイントを介して取付けられた一対のロッドエンド、前記一対の支持アームの先端部にそれぞれ先端部が枢支された一対の作動杆、この一対の作動杆の後端部に先端部が枢支され、後端部が前記アームの先端部寄りの両端部に枢支された一対の保持アーム、この一対の保持アームの先端部の枢支部に枢支された前記一対の作動杆を介して、前記一対の支持アームをそれぞれ回動させることができる、前記アームに後端部が枢支された一対の支持アーム回動用油圧シリンダーとからなる支持体回動装置とで構成したことを特徴とする作業機械。 In a working machine comprising front and rear and left and right leg members comprising a boom and an arm at front and rear and right and left parts of a vehicle body, and support devices respectively attached to front and rear ends of the front and rear and left and right leg members, the support device is attached to the arm. U-shaped arm-side bearing part formed at the tip, universal joint body with one shaft pivotably attached to this arm-side bearing part, pivotably attached to the other axis of this universal joint body A universal joint composed of a U-shaped support-side bearing portion, a support body having the support-side bearing portion substantially fixed on the upper surface of the center, and both ends of one shaft of the universal joint body A pair of support arms to which the end portions are attached, the upper end portion is pivotally supported at the tip ends of the pair of support arms, and the lower end portions are located on both sides of the outer side of the support body. A pair of rod ends attached to each other via a ball joint, a pair of operating rods whose tip portions are pivotally supported by the tip portions of the pair of support arms, and a tip portion at the rear end portion of the pair of operating rods. Via a pair of holding arms pivotally supported at both ends near the tip of the arm, and the pair of operating rods pivotally supported at the tip of the pair of holding arms. The pair of support arms can be respectively rotated, and a support body rotation device comprising a pair of support arm rotation hydraulic cylinders pivotally supported at the rear ends of the arms. Work machine.

支持体はユニバーサルジョイントを介してアームに取付けられる取付板と、この取付板の底面に旋回可能に取付けられた支持板と、前記取付板に取付けられた前記支持板を旋回させる支持板旋回装置とで構成されていることを特徴とする請求項１、２いずれかに記載の作業機械。 The support body is a mounting plate that is attached to the arm via a universal joint, a support plate that is turnably attached to the bottom surface of the mounting plate, and a support plate turning device that turns the support plate attached to the attachment plate. The work machine according to claim 1, wherein the work machine is configured as follows.

支持体はユニバーサルジョイントを介して取付けられる取付板と、この取付板の底面に旋回可能に取付けられた支持板と、前記取付板に取付けられた前記支持板を旋回させる支持板旋回装置と、前記支持板の底面に取付けられた法枠等の枠を挟着固定する挟着装置とで構成されていることを特徴とする請求項１、２いずれかに記載の作業機械。 The support body is a mounting plate that is attached via a universal joint, a support plate that is turnably attached to the bottom surface of the attachment plate, a support plate turning device that turns the support plate attached to the attachment plate, The work machine according to any one of claims 1 and 2, characterized in that the work machine includes a clamping device that clamps and fixes a frame such as a normal frame attached to the bottom surface of the support plate.