JPH0354020U - - Google Patents
Info
- Publication number
- JPH0354020U JPH0354020U JP11395889U JP11395889U JPH0354020U JP H0354020 U JPH0354020 U JP H0354020U JP 11395889 U JP11395889 U JP 11395889U JP 11395889 U JP11395889 U JP 11395889U JP H0354020 U JPH0354020 U JP H0354020U
- Authority
- JP
- Japan
- Prior art keywords
- lever
- hydraulic
- control valve
- hydraulic control
- amount
- 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
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
Landscapes
- Operation Control Of Excavators (AREA)
- Mechanical Control Devices (AREA)
Description
図面は本考案に係る作業車の油圧操作構造の実
施例を示し、第１図は操作連係構造を示す斜視図
、第２図は要部の正面図、第３図はバツクホウの
全体側面図、第４図は別実施例の比率切換え機構
の断面図である。
２……走行機体、３……旋回台、６……バツク
ホウ装置、１８……操作レバー、Ａ……連係機構
、Ｃ……比率切換え機構、Ｄ……操作量規制、Ｖ
１……制御バルブ。
The drawings show an embodiment of the hydraulic operation structure for a work vehicle according to the present invention, FIG. 1 is a perspective view showing the operation linkage structure, FIG. 2 is a front view of the main parts, and FIG. 3 is an overall side view of the backhoe. FIG. 4 is a sectional view of a ratio switching mechanism according to another embodiment. 2... Traveling body, 3... Swivel base, 6... Backhoe device, 18... Operating lever, A... Coordination mechanism, C... Ratio switching mechanism, D... Operation amount regulation, V
1 ...Control valve.
Claims (1)
周りで全旋回自在な旋回台３を搭載し、旋回台３
にバツクホウ装置６を装備するとともに、人為操
作レバー１８と前記油圧駆動装置Ｍ３の油圧制御
バルブＶ１とを連係機構Ａを介して連動連結して
ある作業車の油圧操作構造であつて、前記連係機
構Ａの途中に、前記操作レバー１８の操作量に対
する前記油圧制御バルブＶ１の操作変位量の連動
比率が夫々異なる複数のリンク式連動操作系を並
列に介装するとともに、前記操作レバー１８と前
記油圧制御バルブＶ１とをいずれか１つの連動操
作系を介して択一的に切換え連係させる比率切換
え機構Ｃを備え、この比率切換え機構Ｃの切換え
操作に拘らず前記操作レバー１８の操作ストロー
クを一定範囲に接当規制するレバー操作量規制機
構Ｄを設けてある作業車の油圧操作構造。 A swivel base 3 is mounted on the traveling body 2 and is fully rotatable around the vertical axis by a hydraulic drive device M3.
This is a hydraulic operation structure for a work vehicle in which a backhoe device 6 is equipped on the vehicle, and a manually operated lever 18 and a hydraulic control valve V1 of the hydraulic drive device M3 are interlocked and connected via a linkage mechanism A. In the middle of the mechanism A, a plurality of link-type interlocking operation systems are installed in parallel, each having a different interlocking ratio of the amount of operation displacement of the hydraulic control valve V1 to the amount of operation of the operation lever 18, and the operation lever 18 and A ratio switching mechanism C is provided for selectively switching and linking the hydraulic control valve V1 with the hydraulic control valve V1 via any one of the interlocking operation systems, and the operating stroke of the operating lever 18 is independent of the switching operation of the ratio switching mechanism C. A hydraulic operation structure for a working vehicle, which is equipped with a lever operation amount regulating mechanism D that regulates contact within a certain range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11395889U JPH0354020U (en) | 1989-09-28 | 1989-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11395889U JPH0354020U (en) | 1989-09-28 | 1989-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0354020U true JPH0354020U (en) | 1991-05-24 |
Family
ID=31662349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11395889U Pending JPH0354020U (en) | 1989-09-28 | 1989-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0354020U (en) |
-
1989
- 1989-09-28 JP JP11395889U patent/JPH0354020U/ja active Pending
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