JPH026763U - - Google Patents
Info
- Publication number
- JPH026763U JPH026763U JP8512988U JP8512988U JPH026763U JP H026763 U JPH026763 U JP H026763U JP 8512988 U JP8512988 U JP 8512988U JP 8512988 U JP8512988 U JP 8512988U JP H026763 U JPH026763 U JP H026763U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- detector
- frame
- working machine
- detected
- 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
- 230000007935 neutral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Operation Control Of Excavators (AREA)
Description
第１図は本考案の一実施例を示す側面図、第２
図はホイールローダの側面図、第３図はブーム制
御装置の電気―油圧回路図、第４図はブーム停止
位置検出器の取付構造の従来例を示す側面図、第
５図は第４図のＦ―Ｆ矢視拡大図である。
１……フレーム、２……ブーム、３……リフト
シリンダ、２０……制御弁、２５……近接スイツ
チ（ブーム停止位置検出器）、４２……被検出体
、４３……プツシユプルケーブル（遠隔操作手段
）。
Figure 1 is a side view showing one embodiment of the present invention;
The figure is a side view of the wheel loader, Figure 3 is an electric-hydraulic circuit diagram of the boom control device, Figure 4 is a side view showing a conventional example of the mounting structure of the boom stop position detector, and Figure 5 is the same as in Figure 4. It is an enlarged view taken along the arrow FF. 1...Frame, 2...Boom, 3...Lift cylinder, 20...Control valve, 25...Proximity switch (boom stop position detector), 42...Detected object, 43...Push-pull cable ( remote control means).
Claims (1)
に取り付けられたブームと、フレームとブームと
の間に介在しブームを回動させるリフトシリンダ
と、電磁ソレノイド式デテント機構を備え、前記
リフトシリンダに接続する制御弁と、前記電磁ソ
レノイドに接続し、ブーム又はフレームのいずれ
か一方に支持されたブーム停止位置検出器と、他
方に支持され、ブームが所定の位置まで上昇した
時、前記検出器を作動させる被検出体とを備え、
前記検出器の作動によつて前記制御弁のデテント
を解除し、制御弁を中立位置に戻してブームを自
動停止させる作業機のブーム制御装置において、
前記検出器又は被検出体のいずれか一方にその作
動部が接続され、かつ、運転席近傍にその操作部
が設置され、運転席からの操作により前記検出器
又は被検出体のいずれか一方の支持位置を他方に
対して相対移動させる遠隔操作手段を設けたこと
を特徴とする作業機のブーム制御装置。 (2) 前記遠隔操作手段がプツシユプルケーブル
であることを特徴とする請求項(1)記載の作業機
のブーム制御装置。[Claims for Utility Model Registration] (1) A frame, a boom attached to the frame so as to be movable up and down, a lift cylinder interposed between the frame and the boom to rotate the boom, and an electromagnetic solenoid detent. a control valve connected to the lift cylinder; a boom stop position detector connected to the electromagnetic solenoid and supported by either the boom or the frame; and a boom stop position detector supported by the other until the boom reaches a predetermined position. and a detected object that activates the detector when the object rises,
A boom control device for a working machine that releases the detent of the control valve by the operation of the detector, returns the control valve to a neutral position, and automatically stops the boom,
The operating part is connected to either the detector or the object to be detected, and the operating part is installed near the driver's seat, and the operation of either the detector or the object to be detected is performed by operation from the driver's seat. A boom control device for a working machine, characterized in that it is provided with remote control means for moving one support position relative to the other. (2) The boom control device for a working machine according to claim (1), wherein the remote control means is a push-pull cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8512988U JPH026763U (en) | 1988-06-29 | 1988-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8512988U JPH026763U (en) | 1988-06-29 | 1988-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH026763U true JPH026763U (en) | 1990-01-17 |
Family
ID=31309805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8512988U Pending JPH026763U (en) | 1988-06-29 | 1988-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH026763U (en) |
-
1988
- 1988-06-29 JP JP8512988U patent/JPH026763U/ja active Pending
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