JPH0411779U - - Google Patents
Info
- Publication number
- JPH0411779U JPH0411779U JP5223090U JP5223090U JPH0411779U JP H0411779 U JPH0411779 U JP H0411779U JP 5223090 U JP5223090 U JP 5223090U JP 5223090 U JP5223090 U JP 5223090U JP H0411779 U JPH0411779 U JP H0411779U
- Authority
- JP
- Japan
- Prior art keywords
- wheel
- hydraulic cylinder
- circuit
- angle sensor
- steering device
- 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 description 2
- 101710179738 6,7-dimethyl-8-ribityllumazine synthase 1 Proteins 0.000 claims 1
- 101710186608 Lipoyl synthase 1 Proteins 0.000 claims 1
- 101710137584 Lipoyl synthase 1, chloroplastic Proteins 0.000 claims 1
- 101710090391 Lipoyl synthase 1, mitochondrial Proteins 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Steering Control In Accordance With Driving Conditions (AREA)
Description
第１図は本考案の一実施例の装置を示す図、第
２図及び第３図は旋回時及び直進時の作業機車輪
の状態の関係をそれぞれ示す平面図、第４図は他
の実施例の車輪角センサを示す図である。
図において、１０は作業機、１１は車輪、１２
は車輪軸、１３はキングピン、１４は固定軸、１
５は車輪軸アーム、２０は油圧シリンダ、２２は
油圧回路、２５はコントローラ、２６は操作ボツ
クス、２７は中立スイツチ、３０は車輪角センサ
、３１はカム、ＬＳ１，ＬＳ２はリミツトスイツ
チをそれぞれ示す。
Fig. 1 is a diagram showing a device according to one embodiment of the present invention, Figs. 2 and 3 are plan views showing the relationship between the conditions of the working machine wheels when turning and when moving straight, respectively, and Fig. 4 is a diagram showing another embodiment of the device. FIG. 3 is a diagram illustrating an example wheel angle sensor. In the figure, 10 is a working machine, 11 is a wheel, and 12
is the wheel axle, 13 is the king pin, 14 is the fixed shaft, 1
5 is a wheel shaft arm, 20 is a hydraulic cylinder, 22 is a hydraulic circuit, 25 is a controller, 26 is an operation box, 27 is a neutral switch, 30 is a wheel angle sensor, 31 is a cam, and LS1 and LS2 are limit switches.
Claims (1)
て回動自在に軸着した車輪軸１２と、前記固定軸
と前車輪軸の間に介在して前記車輪軸を回動させ
る油圧シリンダ２０と、前記油圧シリンダを作動
させる油圧回路２２と、前記油圧回路を制御する
コントローラ２５を備えた車輪舵取り装置におい
て、前記車輪軸又は前記油圧シリンダと係合して
車輪の向きを検知する車輪角センサ３０を設け、
前記油圧回路に前記油圧シリンダを作動させる電
磁切替弁２１を設け、前記電磁切替弁を切替える
駆動回路を、前記コントローラに前記車輪角セン
サからの信号を受ける入力回路と、その入力回路
からの信号によつて前記駆動回路を出力させる論
理回路を設けて車輪１１の中立復帰を可能したこ
とを特徴としてなる牽引作業機の車輪舵取り装置
。 ２ 車輪角センサ３０は車輪軸１２又は油圧シリ
ンダ２０のピストンロツドと一体運動するカム３
１とそのカムに係合するリミツトスイツチ（ＬＳ
１，ＬＳ２）からなることを特徴とする請求項１
に記載の牽引作業機の車輪舵取り装置。 ３ 車輪角センサ３０は車輪軸１２又は油圧シリ
ンダ２０のピストンロツドに設けたポテンシヨメ
ータからなることを特徴とする請求項１に記載の
牽引作業機の車輪舵取り装置。[Claims for Utility Model Registration] 1. A wheel shaft 12 rotatably attached to a fixed shaft 14 of a working machine via a kingpin 13, and a wheel shaft interposed between the fixed shaft and the front wheel shaft to support the wheel shaft. A wheel steering device comprising a hydraulic cylinder 20 for rotating, a hydraulic circuit 22 for operating the hydraulic cylinder, and a controller 25 for controlling the hydraulic circuit, which engages with the wheel axle or the hydraulic cylinder to direct the wheel. A wheel angle sensor 30 is provided to detect the
The hydraulic circuit is provided with an electromagnetic switching valve 21 that operates the hydraulic cylinder, and a drive circuit that switches the electromagnetic switching valve is connected to an input circuit that receives a signal from the wheel angle sensor in the controller, and a signal from the input circuit. A wheel steering device for a traction work machine, characterized in that a logic circuit for outputting the drive circuit is provided to enable the wheels 11 to return to neutral. 2 The wheel angle sensor 30 is a cam 3 that moves integrally with the wheel axle 12 or the piston rod of the hydraulic cylinder 20.
1 and a limit switch (LS
1, LS2)
A wheel steering device for a towing work machine described in . 3. The wheel steering device for a traction work machine according to claim 1, wherein the wheel angle sensor 30 comprises a potentiometer provided on the wheel axle 12 or the piston rod of the hydraulic cylinder 20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5223090U JPH0411779U (en) | 1990-05-21 | 1990-05-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5223090U JPH0411779U (en) | 1990-05-21 | 1990-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0411779U true JPH0411779U (en) | 1992-01-30 |
Family
ID=31572363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5223090U Pending JPH0411779U (en) | 1990-05-21 | 1990-05-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0411779U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5256374A (en) * | 1975-11-05 | 1977-05-09 | Kubota Ltd | Device for actuating limit switch group in electrical remote control unit |
-
1990
- 1990-05-21 JP JP5223090U patent/JPH0411779U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5256374A (en) * | 1975-11-05 | 1977-05-09 | Kubota Ltd | Device for actuating limit switch group in electrical remote control unit |
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