JPS6238966U - - Google Patents
Info
- Publication number
- JPS6238966U JPS6238966U JP12966285U JP12966285U JPS6238966U JP S6238966 U JPS6238966 U JP S6238966U JP 12966285 U JP12966285 U JP 12966285U JP 12966285 U JP12966285 U JP 12966285U JP S6238966 U JPS6238966 U JP S6238966U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- upper limit
- limit detector
- lower limit
- main body
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Operation Control Of Excavators (AREA)
Description
第１図は本考案の実施例によるホイールローダ
を示す全体図、第２図は第１図中の要部を拡大し
て示す説明図、第３図は油圧回路図、第４図は第
３図中の電磁弁を制御する制御回路図である。
１……本体、２……リフトアーム、３……ピン
、４……バケツト、５……リフトシリンダ、６…
…バケツトシリンダ、９……プレート、９Ａ，９
Ｂ……扇状部、９Ｃ……段部、１０，１１……近
接スイツチ、１５……電磁弁、１５Ａ……コイル
、１８……リレーコイル。
Fig. 1 is an overall view showing a wheel loader according to an embodiment of the present invention, Fig. 2 is an explanatory diagram showing an enlarged main part of Fig. 1, Fig. 3 is a hydraulic circuit diagram, and Fig. 4 is a diagram of a third It is a control circuit diagram which controls the electromagnetic valve in the figure. 1...Body, 2...Lift arm, 3...Pin, 4...Bucket, 5...Lift cylinder, 6...
...Bucket cylinder, 9...Plate, 9A, 9
B... Fan-shaped portion, 9C... Stepped portion, 10, 11... Proximity switch, 15... Solenoid valve, 15A... Coil, 18... Relay coil.
Claims (1)
られたブームと、該ブームの先端側に設けられた
作業装置と、該作業装置を昇降させるべく前記ブ
ームを回動操作するブームシリンダと、前記ブー
ムの基端側に設けられ、該ブームの下限回動位置
を検出する下限検出器および上限回動位置を検出
する上限検出器と、該下限検出器からの検出信号
により前記ブームシリンダをブームの上昇方向に
作動させ、前記上限検出器からの検出信号により
該ブームシリンダの作動を停止させる制御弁とか
ら構成してなる自走式作業機。 A work equipment main body, a boom rotatably provided on the work equipment main body, a work device provided at the tip side of the boom, and a boom cylinder that rotates the boom to raise and lower the work device. , a lower limit detector for detecting the lower limit rotational position of the boom and an upper limit detector for detecting the upper limit rotational position, which are provided on the base end side of the boom; and a detection signal from the lower limit detector to control the boom cylinder. A self-propelled working machine comprising a control valve that is operated in the upward direction of the boom and stops the operation of the boom cylinder in response to a detection signal from the upper limit detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985129662U JPH0352283Y2 (en) | 1985-08-26 | 1985-08-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985129662U JPH0352283Y2 (en) | 1985-08-26 | 1985-08-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6238966U true JPS6238966U (en) | 1987-03-07 |
| JPH0352283Y2 JPH0352283Y2 (en) | 1991-11-12 |
Family
ID=31026430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985129662U Expired JPH0352283Y2 (en) | 1985-08-26 | 1985-08-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0352283Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5466502A (en) * | 1977-11-02 | 1979-05-29 | Kubota Ltd | Dozer working vehicle |
| JPS58160439A (en) * | 1982-03-18 | 1983-09-22 | ヴイツカ−ズ・インコ−ポレ−テツド | Power transmission apparatus |
-
1985
- 1985-08-26 JP JP1985129662U patent/JPH0352283Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5466502A (en) * | 1977-11-02 | 1979-05-29 | Kubota Ltd | Dozer working vehicle |
| JPS58160439A (en) * | 1982-03-18 | 1983-09-22 | ヴイツカ−ズ・インコ−ポレ−テツド | Power transmission apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0352283Y2 (en) | 1991-11-12 |
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