JPH0160977U - - Google Patents
Info
- Publication number
- JPH0160977U JPH0160977U JP15616687U JP15616687U JPH0160977U JP H0160977 U JPH0160977 U JP H0160977U JP 15616687 U JP15616687 U JP 15616687U JP 15616687 U JP15616687 U JP 15616687U JP H0160977 U JPH0160977 U JP H0160977U
- Authority
- JP
- Japan
- Prior art keywords
- forklift
- controller
- power steering
- hydraulic flow
- vehicle speed
- 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
- 238000010586 diagram Methods 0.000 description 2
Description
第１図はこの考案の一実施例の構成を示すブロ
ツク図、第２図はこの考案を適用する車両（フオ
ークリフト）の概要、第３図は各センサが検出す
る値の大小に応じてパワーステアリングシリンダ
の油量をコントロールする関係について図表に示
したもの、第４図及び第５図はパワーステアリン
グ装置の２つの従来例を示す。
１…マスト、２…リフトシリンダ、３…前輪タ
イヤ、４…後輪タイヤ、１１…揚高センサ、１２
…荷重センサ、１３…車速センサ、１５…コント
ローラ、１６…記憶回路、１７…制御回路、２１
…一方向流量制御弁、２２…パワーステアリング
シリンダ。
Fig. 1 is a block diagram showing the configuration of an embodiment of this invention, Fig. 2 is an outline of a vehicle (forklift) to which this invention is applied, and Fig. 3 shows the power output according to the magnitude of the value detected by each sensor. The relationships for controlling the amount of oil in the steering cylinder are shown in diagrams, and FIGS. 4 and 5 show two conventional examples of power steering devices. DESCRIPTION OF SYMBOLS 1... Mast, 2... Lift cylinder, 3... Front wheel tire, 4... Rear wheel tire, 11... Lift height sensor, 12
...Load sensor, 13...Vehicle speed sensor, 15...Controller, 16...Memory circuit, 17...Control circuit, 21
...One-way flow control valve, 22...Power steering cylinder.
Claims (1)
トにおいて、揚高と、車速と、積荷の積載量とを
検出する手段を設け、これらの手段により検出さ
れた値に応じて油圧流量を制御するコントローラ
、並びに該コントローラから出力する制御信号に
より一方向油圧流量制御弁をコントロールしてパ
ワーステアリングシリンダを操作する手段を設け
たことを特徴とする、フオークリフトのステアリ
ング用油圧制御装置。 A forklift having a power steering device is provided with a means for detecting lift height, vehicle speed, and load capacity, and a controller that controls hydraulic flow according to the values detected by these means, and from the controller. A hydraulic control device for steering a forklift, comprising means for controlling a one-way hydraulic flow control valve and operating a power steering cylinder using an output control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15616687U JPH0160977U (en) | 1987-10-14 | 1987-10-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15616687U JPH0160977U (en) | 1987-10-14 | 1987-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0160977U true JPH0160977U (en) | 1989-04-18 |
Family
ID=31434457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15616687U Pending JPH0160977U (en) | 1987-10-14 | 1987-10-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0160977U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53140605A (en) * | 1977-05-14 | 1978-12-07 | Jidosha Kiki Co Ltd | Variable capacity pump |
| JPS5695768A (en) * | 1979-12-27 | 1981-08-03 | Toyo Umpanki Co Ltd | Device for preventing turnover of special vehicle |
-
1987
- 1987-10-14 JP JP15616687U patent/JPH0160977U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53140605A (en) * | 1977-05-14 | 1978-12-07 | Jidosha Kiki Co Ltd | Variable capacity pump |
| JPS5695768A (en) * | 1979-12-27 | 1981-08-03 | Toyo Umpanki Co Ltd | Device for preventing turnover of special vehicle |