JPS6396976U - - Google Patents

Info

Publication number
JPS6396976U
JPS6396976U JP19254886U JP19254886U JPS6396976U JP S6396976 U JPS6396976 U JP S6396976U JP 19254886 U JP19254886 U JP 19254886U JP 19254886 U JP19254886 U JP 19254886U JP S6396976 U JPS6396976 U JP S6396976U
Authority
JP
Japan
Prior art keywords
steering
main valve
switching
pilot
valve
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
Application number
JP19254886U
Other languages
Japanese (ja)
Other versions
JPH0617659Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1986192548U priority Critical patent/JPH0617659Y2/en
Publication of JPS6396976U publication Critical patent/JPS6396976U/ja
Application granted granted Critical
Publication of JPH0617659Y2 publication Critical patent/JPH0617659Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図面第１図はこの考案の実施例を示す回路図、
第２図は従来例の回路図である。 Ａ……オービツトロール装置、１６，１７……
パイロツト流路、ＭＰ……メインポンプ、Ｔ……
タンク、ＭＶ……メインバルブ、２０，２１……
パイロツト室、Ｓ１，Ｓ２……ステアリングシリ
ンダ、Ｖ……応答性切換弁。 Figure 1 is a circuit diagram showing an embodiment of this invention;
FIG. 2 is a circuit diagram of a conventional example. A... Orbitroll device, 16, 17...
Pilot flow path, MP... Main pump, T...
Tank, MV... Main valve, 20, 21...
Pilot chamber, S1 , S2 ...steering cylinder, V...responsive switching valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ハンドルの回転数に応じて吐出量を制御するオ
ービツトロール装置と、このオービツトロール装
置からのパイロツト流量に応じて、切り換え量が
制御されるメインバルブと、これらオービツトロ
ール装置とメインバルブのパイロツト室とを連通
する一対のパイロツト流路と、上記メインバルブ
の切り換え方向に応じて、伸縮方向が制御される
一対のステアリングシリンダと、上記メインバル
ブを介してステアリングシリンダに連通するメイ
ンポンプと、メインバルブを介してステアリング
シリンダに連通するタンクとを備えたステアリン
グ装置において、一対のパイロト流路間に応答性
切換弁を接続し、この応答性切換弁を介して両パ
イロツト流路を短絡させるとともに、この応答性
切換弁を切り換えて短絡流路を流れる流量を制御
し、当該ステアリングの応答性を制御する構成に
したステアリング装置。 An orbiter device that controls the discharge amount according to the rotation speed of the handle, a main valve whose switching amount is controlled according to the pilot flow rate from the orbiter device, and a combination of the orbiter device and the main valve. a pair of pilot flow passages that communicate with a pilot chamber; a pair of steering cylinders whose expansion and contraction directions are controlled according to the switching direction of the main valve; and a main pump that communicates with the steering cylinders via the main valve; In a steering device equipped with a tank communicating with a steering cylinder via a main valve, a responsive switching valve is connected between a pair of pilot channels, and both pilot channels are short-circuited via this responsive switching valve. A steering device configured to control the responsiveness of the steering by switching the responsiveness switching valve to control the flow rate flowing through the short-circuit flow path.
JP1986192548U 1986-12-15 1986-12-15 Steering device Expired - Lifetime JPH0617659Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986192548U JPH0617659Y2 (en) 1986-12-15 1986-12-15 Steering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986192548U JPH0617659Y2 (en) 1986-12-15 1986-12-15 Steering device

Publications (2)

Publication Number Publication Date
JPS6396976U true JPS6396976U (en) 1988-06-23
JPH0617659Y2 JPH0617659Y2 (en) 1994-05-11

Family

ID=31147730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986192548U Expired - Lifetime JPH0617659Y2 (en) 1986-12-15 1986-12-15 Steering device

Country Status (1)

Country Link
JP (1) JPH0617659Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006282167A (en) * 2005-03-31 2006-10-19 Caterpillar Inc On-demand electric and hydraulic steering device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61247571A (en) * 1985-04-26 1986-11-04 Komatsu Ltd Power steering device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61247571A (en) * 1985-04-26 1986-11-04 Komatsu Ltd Power steering device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006282167A (en) * 2005-03-31 2006-10-19 Caterpillar Inc On-demand electric and hydraulic steering device

Also Published As

Publication number Publication date
JPH0617659Y2 (en) 1994-05-11

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