JPH07207708A - Work machine manual operating device for construction machine - Google Patents
Work machine manual operating device for construction machineInfo
- Publication number
- JPH07207708A JPH07207708A JP1993194A JP1993194A JPH07207708A JP H07207708 A JPH07207708 A JP H07207708A JP 1993194 A JP1993194 A JP 1993194A JP 1993194 A JP1993194 A JP 1993194A JP H07207708 A JPH07207708 A JP H07207708A
- Authority
- JP
- Japan
- Prior art keywords
- support base
- lever
- ripper
- operating
- blade
- 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.)
- Pending
Links
Landscapes
- Operation Control Of Excavators (AREA)
Abstract
Description
【0001】本発明は、ブレード及びリッパを備えた建
設機械、特に鉱山などで大量運土を目的として使用され
る大型ブルドーザに適用され、ブレード操作ならびにリ
ッパ操作を行う操作レバーを一本化し、該操作レバーの
支持台を前後方向に移動することによりブレード作業な
らびにリッパ作業を選択可能にした建設機械の作業機操
作装置に関する。INDUSTRIAL APPLICABILITY The present invention is applied to a construction machine equipped with a blade and a ripper, particularly a large-sized bulldozer used for the purpose of mass soil transportation in a mine and the like. The present invention relates to a work machine operating device for a construction machine in which a blade work and a ripper work can be selected by moving a support base of an operation lever in the front-back direction.
【0002】[0002]
【従来の技術】従来は、図5に示すように運転席aの右
側のスタンドに2本のジョイスティック式のレバーb,
cが前後に配置され、前方位置のレバーbはブレードを
操作するためにブレード操作油圧回路の操作弁を制御
し、後方位置のレバーcはリッパを操作するためにリッ
パ操作油圧回路の操作弁を独立的に制御していた。2. Description of the Related Art Conventionally, as shown in FIG. 5, a joystick type lever b,
c is arranged in the front and rear, the lever b in the front position controls the operation valve of the blade operation hydraulic circuit for operating the blade, and the lever c in the rear position operates the operation valve of the ripper operation hydraulic circuit for operating the ripper. It was controlled independently.
【0003】[0003]
【発明が解決しようとする課題】2本のジョイスティッ
ク方式のレバーb,cを運転席の右側のスタンドに前
方、後方に配置している構造の場合、各レバーの位置は
標準体格の人に合わせて決められる。体格の小さい人が
ブルドーザを操縦して体を半身になって無理な態勢で作
業の状態を確認しながらでリッパを操作することはオペ
レータにとって苦痛が伴い、操作性が悪い。本発明はこ
のような問題を解消するためになされたものであり、そ
れぞれ体格に合わせて、作業機レバーの支持台を後方に
移動させてリッパ作業を行い作業レバーの操作性を改善
することを目的とする建設機械の作業機操作装置を提供
する。In the case of the structure in which the two joystick type levers b and c are arranged on the right stand of the driver's seat in the front and the rear, the positions of the levers are adjusted to those of a standard physique. Can be decided. It is painful for the operator to operate the ripper while a person with a small physique operates the bulldozer to check his / her work state in an uncomfortable state by leaning on his / her body and the operability is poor. The present invention has been made to solve such a problem, and to improve the operability of the work lever by moving the support base of the work machine lever rearward to perform the ripper work in accordance with each physique. A work machine operating device for a target construction machine is provided.
【0004】[0004]
【課題を解決するための手段】本建設機械の作業機操作
装置の第1態様は、複数の作業を行う操作レバーを一本
化し、運転席の近辺に配置されているスタンドに揺動可
能に連結されている前記レバーの支持台を定位置又は後
方に動かすことによって、別異の作業機操作油圧回路を
選択可能にするように構成されている。A first aspect of the working machine operating device for a construction machine according to the present invention is that a single operating lever for performing a plurality of works is integrated so that it can be swung on a stand arranged near the driver's seat. By moving the support base of the connected lever to a fixed position or rearward, a different working machine operating hydraulic circuit can be selected.
【0005】本建設機械の作業機操作装置の第2態様
は、複数の作業を行う操作レバーを一本化し、前記レバ
ーの支持台は運転席の近辺に配置されているスタンドに
平行移動可能に連結されて定位置ではブレードを操作
し、後方に移動させればリッパを操作し、それぞれ別の
作業油圧回路を選択可能にするように構成されている。The second aspect of the working machine operating device of the present construction machine is to unify the operating levers for performing a plurality of works, and the support base of the levers can be moved in parallel to a stand arranged near the driver's seat. When connected, the blade is operated at a fixed position, and the ripper is operated by moving the blade rearward so that different working hydraulic circuits can be selected.
【0006】一本化された複数の作業機操作レバーの支
持台を定位置状態でブレード作業を、後方に動かすとリ
ッパ作業を選択し、さらに各作業機の操作油圧回路を選
択する。前記支持はその下端部を運転席の近辺に配置し
ているスタンドに枢着さて回動可能とする。他の実施例
では作業機操作レバーの支持台は、その下部をスタンド
に平行リンクで可動可能に取着されて前後に平行移動す
る。[0006] When the support bases of a plurality of working machine operation levers that are integrated are in a fixed position, the blade work is selected, and the rear operation is selected to select the ripper work, and the operating hydraulic circuit of each work machine is selected. The lower end of the support is pivotally attached to a stand arranged near the driver's seat so as to be rotatable. In another embodiment, the support base of the work machine operating lever is movably attached to the stand at its lower portion by a parallel link and moves in parallel back and forth.
【0007】[0007]
【作用】上記構成によれば、作業機レバーを1本にし
て、この作業機レバーを前方に倒して操作するとブレー
ド作業が可能となり、また、この作業機レバーを後方に
倒して操作するとリッパ作業が可能となるので体格の小
さい運転者でも操作が容易になり作業機レバーの操作性
能が向上する。According to the above construction, when the working machine lever is one and the working machine lever is tilted forward to operate, the blade work becomes possible, and when the working machine lever is tilted backward to operate the ripper work. This makes it easier for even a driver with a small build to operate, and improves the operating performance of the work equipment lever.
【0008】[0008]
【実施例】次に添付図面を参照しながら本発明の建設機
械の作業機操作装置を説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A working machine operating device for a construction machine according to the present invention will be described with reference to the accompanying drawings.
【0009】図1は本発明の建設機械の作業機操作装置
の第1実施態様を示す斜視図、図2は本発明の建設機械
の作業機操作装置の第2実施態様を示す斜視図、図3は
本発明の建設機械のブレード操作油圧回路及びリッパ操
作油圧回路、図4は切替え弁を切り替えるための切替え
スイッチの他の例を示す図、図5は従来の建設機械の作
業機操作装置を示す斜視図である。FIG. 1 is a perspective view showing a first embodiment of a working machine operating device for a construction machine according to the present invention, and FIG. 2 is a perspective view showing a second embodiment of a working machine operating device for a construction machine according to the present invention. 3 is a blade operating hydraulic circuit and a ripper operating hydraulic circuit of the construction machine of the present invention, FIG. 4 is a diagram showing another example of a changeover switch for changing over the changeover valve, and FIG. 5 is a conventional work machine operating device for construction machines. It is a perspective view shown.
【0010】図1において、第1実施態様の例を説明す
る。建設機械の運転席1の左側スタンド6上には走行と
操向を兼用するジョイスティック式1本レバー2が配置
され、右側のスタンド7にはブレードおよびリッパの操
作を兼用するジョイスティック式1本レバー2を載置す
る支持台4が配置されている。該支持台4は、下端部を
ピン10にて右側スタンド7に回動可能に連結されてい
る。車体9上に支持台4を回動可能に直接連結してもよ
い。An example of the first embodiment will be described with reference to FIG. A joystick-type single lever 2 for both traveling and steering is arranged on the left side stand 6 of the operator's seat 1 of the construction machine, and a joystick-type single lever 2 for both blade and ripper operations is arranged on the right side stand 7. A support base 4 for mounting the is mounted. The lower end of the support base 4 is rotatably connected to the right side stand 7 by a pin 10. The support base 4 may be directly rotatably connected to the vehicle body 9.
【0011】図2は第2実施態様を示す。第1実施態様
の作業機操作装置と同じく運転席1の左側のスタンド6
上には走行と操向を兼用するジョイスティック式1本レ
バー3が配置され、右側のスタンド8にはブレード操作
およびリッパの操作を兼用するジョイスティック式1本
レバー2を載置する支持台5が連結されている。ただ
し、本実施例では、支持台5と右側のスタンド8との連
結構成が変わっている点で前記実施例と異なる。FIG. 2 shows a second embodiment. A stand 6 on the left side of the driver's seat 1 as in the work implement operating device of the first embodiment.
A joystick type single lever 3 for both running and steering is arranged on the upper side, and a support base 5 for mounting a joystick type single lever 2 for both blade operation and ripper operation is connected to a right side stand 8. Has been done. However, the present embodiment is different from the previous embodiment in that the connection structure between the support base 5 and the right stand 8 is changed.
【0012】1本レバー2を載置しているL形状の支持
台5は、リンク12ピン13からなる平行リンク機構1
1でもって運転席1の右側スタンド1aに連結されてい
る。車体6上にレバー支持台5を平行リンク機構11に
より直接連結してもよい。第1実施態様、第2実施態様
共、支持台4,5が定位置および後方位置にある時にブ
レー操作或いはリッパ操作か表示するためのモニター1
9をオペレータの見やすい所に設置してある。The L-shaped support base 5 on which the single lever 2 is mounted is a parallel link mechanism 1 composed of link 12 pins 13.
1 is connected to the right side stand 1a of the driver's seat 1. The lever support 5 may be directly connected to the vehicle body 6 by the parallel link mechanism 11. In both the first embodiment and the second embodiment, the monitor 1 for displaying the break operation or the ripper operation when the support bases 4 and 5 are in the fixed position and the rear position.
9 is installed in a place where the operator can easily see it.
【0013】図3は本発明の建設機械のブレード操作油
圧回路及びリッパ操作油圧回路が示されている。FIG. 3 shows a blade operating hydraulic circuit and a ripper operating hydraulic circuit of the construction machine of the present invention.
【0014】図3は、第1実施態様、第2実施態様の支
持台4,5が定位置の状態にあることを示している。位
置検出装置14B(例えばリミットスイッチ)を介して
切替弁16はバッテリー電源22により励磁され(B)
位置になっている。1本レバー2により操作される制御
弁17Bを通じてポンプ15からの圧油がブレードシリ
ンダ20に流入する。又、支持台4,5が後方傾倒位置
の状態においては、位置検出装置14R(例えばリミッ
トスイッチ)を介して切替弁16は(R)位置になり、
1本レバー2により操作される制御弁17Rを通じてポ
ンプ15からの圧油がリッパーシリンダ21に流入す
る。図4はスタンド7,8上に設けた切替スイッチ18
を操作することによって支持台4,5の動きには無関係
に切替弁16が切替えられる。第1実施態様、第2実施
態様においてもモニタ19によりブレード操作状態又は
リッパ操作状態が表示される。FIG. 3 shows that the support bases 4 and 5 of the first and second embodiments are in a fixed position. The switching valve 16 is excited by the battery power source 22 via the position detection device 14B (eg, limit switch) (B).
It is in the position. Pressure oil from the pump 15 flows into the blade cylinder 20 through the control valve 17B operated by the single lever 2. Further, when the support bases 4 and 5 are in the rearward tilted position, the switching valve 16 is set to the (R) position via the position detection device 14R (for example, limit switch),
Pressure oil from the pump 15 flows into the ripper cylinder 21 through the control valve 17R operated by the single lever 2. FIG. 4 shows a changeover switch 18 provided on the stands 7 and 8.
The switching valve 16 is switched by operating the irrespective of the movement of the supports 4, 5. In the first and second embodiments, the monitor 19 also displays the blade operation state or the ripper operation state.
【0015】[0015]
【発明の効果】本発明の建設機械の作業機操作装置によ
れば複数の作業機を操作するレバーを1本化し、運転席
右側に位置するスタンドに前記レバーの支持台をピンに
て揺動可能に連結し、支持台が定位置ではブレード操
作、後方傾倒位置ではリッパ操作を選択するようにした
ので体の小さいオペレータが体を半身になって無理な態
勢でリッパを操作する際でも手が短いため手の動きに十
分余裕をもって動かすことができる。更に、支持台はス
タンド又は車体に対して平行移動するような連結構造に
もしてあるので1本レバーの姿勢は常時不変となりリッ
パの操作性もよくなる。According to the working machine operating device for a construction machine of the present invention, the lever for operating a plurality of working machines is unified, and the support base of the lever is swung by the pin on the stand located on the right side of the driver's seat. It is connected as much as possible, and the support base is selected to operate the blade when it is in the fixed position, and the ripper operation when it is tilted backward, so even if the operator with a small body leans halfway and operates the ripper in an uncomfortable position, the hand can be operated. Because it is short, you can move your hand with enough margin. Further, since the support base has a connecting structure for moving in parallel with the stand or the vehicle body, the posture of one lever is always unchanged and the operability of the ripper is improved.
【図1】本発明の建設機械の作業機の操作装置の第1実
施様態を示す斜視図である。FIG. 1 is a perspective view showing a first embodiment of an operating device for a working machine of a construction machine according to the present invention.
【図2】本発明の建設機械の作業機の操作装置の第2実
施様態を示す斜視図である。FIG. 2 is a perspective view showing a second embodiment of the operating device for the working machine of the construction machine according to the present invention.
【図3】本発明の建設機械のブレード操作およびリッパ
操作油圧回路を示す図である。FIG. 3 is a diagram showing a blade operating and ripper operating hydraulic circuit of the construction machine of the present invention.
【図4】切替スイッチの別実施例を示す図である。FIG. 4 is a diagram showing another embodiment of the changeover switch.
【図5】従来の建設機械の作業機操作装置を示す斜視図
である。FIG. 5 is a perspective view showing a conventional work machine operating device for a construction machine.
1…運転席、2…ジョイスティック式1本レバー、3…
ジョイスティック式1本レバー、4…レバー支持台、5
…レバー支持台、6…スタンド(左)、7…スタンド
(右)、8…スタンド(右)、9…車体、10ピン、1
1…平行リンク機構、12…リンク、13…ピン、14
…切替スイッチ、15…ポンプ、16…切替弁、17B
…制御弁、17R…制御弁、18…位置検出装置、19
…モニター、20…ブレードシリンダ、21…リッパシ
リンダ、22…バッテリ電源。1 ... Driver's seat, 2 ... Joystick type single lever, 3 ...
1 joystick type lever, 4 lever support, 5
... Lever support, 6 ... Stand (left), 7 ... Stand (right), 8 ... Stand (right), 9 ... Car body, 10-pin, 1
1 ... Parallel link mechanism, 12 ... Link, 13 ... Pin, 14
… Changeover switch, 15… Pump, 16… Changeover valve, 17B
... Control valve, 17R ... Control valve, 18 ... Position detection device, 19
... Monitor, 20 ... Blade cylinder, 21 ... Ripper cylinder, 22 ... Battery power supply.
Claims (4)
に載置し、支持台を運転席近傍に前後移動可能に連結す
ると共に、前記支持台の定位置と後方傾倒位置において
別異の作業機の操作を選択可能にする操作油圧回路を備
えることを特徴とする建設機械の作業機操作装置。1. A lever for operating a plurality of work machines is mounted on a support base, the support base is connected to the vicinity of a driver's seat so as to be movable back and forth, and different positions are set between the support base and a rearward tilt position. A working machine operating device for a construction machine, comprising an operating hydraulic circuit that enables selection of operation of the working machine.
れたことを特徴とする請求項1に記載の建設機械の作業
機操作装置。2. The work machine operating device for a construction machine according to claim 1, wherein the support base of the lever is swingably coupled.
て前後方向に平行移動可能に連結されたことを特徴とす
る請求項1に記載の建設機械の作業機の操作装置。3. The operating device for a working machine of a construction machine according to claim 1, wherein the support base of the lever is connected by a parallel link mechanism so as to be movable in the front-rear direction.
操作を、後方傾倒位置においてはリッパ操作を選択可能
にすることを特徴とする請求項1乃至請求項3に記載の
建設機械の作業機操作装置。4. The work machine operation for a construction machine according to claim 1, wherein blade operation is selectable when the support base is in a fixed position and ripper operation is selectable when the support base is in a rearward tilting position. apparatus.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1993194A JPH07207708A (en) | 1994-01-19 | 1994-01-19 | Work machine manual operating device for construction machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1993194A JPH07207708A (en) | 1994-01-19 | 1994-01-19 | Work machine manual operating device for construction machine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH07207708A true JPH07207708A (en) | 1995-08-08 |
Family
ID=12012970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1993194A Pending JPH07207708A (en) | 1994-01-19 | 1994-01-19 | Work machine manual operating device for construction machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH07207708A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1188866A1 (en) * | 2000-09-15 | 2002-03-20 | New Holland U.K. Limited | Vehicle seat |
US6446747B1 (en) | 1995-12-23 | 2002-09-10 | Daimlerchrysler Ag | Control element arrangement for controlling the longitudinal movement and/or the lateral movement of a motor vehicle |
-
1994
- 1994-01-19 JP JP1993194A patent/JPH07207708A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6446747B1 (en) | 1995-12-23 | 2002-09-10 | Daimlerchrysler Ag | Control element arrangement for controlling the longitudinal movement and/or the lateral movement of a motor vehicle |
EP1188866A1 (en) * | 2000-09-15 | 2002-03-20 | New Holland U.K. Limited | Vehicle seat |
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