JPH01154974U - - Google Patents

Info

Publication number
JPH01154974U
JPH01154974U JP4908788U JP4908788U JPH01154974U JP H01154974 U JPH01154974 U JP H01154974U JP 4908788 U JP4908788 U JP 4908788U JP 4908788 U JP4908788 U JP 4908788U JP H01154974 U JPH01154974 U JP H01154974U
Authority
JP
Japan
Prior art keywords
steering
valve
pilot
wheel
pump
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
Application number
JP4908788U
Other languages
Japanese (ja)
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 JP4908788U priority Critical patent/JPH01154974U/ja
Publication of JPH01154974U publication Critical patent/JPH01154974U/ja
Pending legal-status Critical Current

Links

Description

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

第1図はこの考案にかかるステアリング回路図
、第2図はアブソーブバルブの縦断面図、第3図
はホイールローダの側面図、第4図はホイールロ
ーダの従来技術ステアリング回路図である。 3……ハンドル、8……パイロツトポンプ、5
……ステアリングユニツト、6……メータリング
バルブ、12……ステアリングバルブ装置、13
……ステアリングバルブ、14,15…パイロツ
ト圧受圧部、16L,16R……ステアリングシ
リンダ、24……アブソーブバルブ、27……ピ
ストン。
FIG. 1 is a steering circuit diagram according to this invention, FIG. 2 is a vertical sectional view of an absorb valve, FIG. 3 is a side view of a wheel loader, and FIG. 4 is a conventional steering circuit diagram of a wheel loader. 3...Handle, 8...Pilot pump, 5
... Steering unit, 6 ... Metering valve, 12 ... Steering valve device, 13
... Steering valve, 14, 15 ... Pilot pressure receiving part, 16L, 16R ... Steering cylinder, 24 ... Absorb valve, 27 ... Piston.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ハンドルに直結して駆動され、その回転速度に
比例したパイロツト流量をステアリングバルブへ
導出するステアリングユニツトを使用し、ステア
リングポンプ、スイツチポンプからの圧油をステ
アリングバルブを介してステアリングシリンダに
供給するようにしたステアリング用油圧回路にお
いて、上記ステアリングユニツト内のメータリン
グバルブと、ステアリングバルブの左右パイロツ
ト圧受圧部とを連通するそれぞれパイロツト油路
を、圧力伝達器状のアブソーブバルブを介して連
結したことを特徴とするホイール式建設機械のス
テアリング回路。
Using a steering unit that is directly connected to the steering wheel and driven to direct a pilot flow rate proportional to its rotational speed to the steering valve, pressure oil from the steering pump and switch pump is supplied to the steering cylinder via the steering valve. In the steering hydraulic circuit, pilot oil passages communicating between the metering valve in the steering unit and the left and right pilot pressure receiving parts of the steering valve are connected via a pressure transmitter-like absorb valve. Steering circuit for wheel-type construction machinery.
JP4908788U 1988-04-11 1988-04-11 Pending JPH01154974U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4908788U JPH01154974U (en) 1988-04-11 1988-04-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4908788U JPH01154974U (en) 1988-04-11 1988-04-11

Publications (1)

Publication Number Publication Date
JPH01154974U true JPH01154974U (en) 1989-10-25

Family

ID=31275206

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4908788U Pending JPH01154974U (en) 1988-04-11 1988-04-11

Country Status (1)

Country Link
JP (1) JPH01154974U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008075568A1 (en) 2006-12-21 2008-06-26 Hitachi Construction Machinery Co., Ltd. Steering system for working vehicle
WO2008081843A1 (en) 2006-12-26 2008-07-10 Hitachi Construction Machinery Co., Ltd. Steering system for working vehicle

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6159164B2 (en) * 1982-08-23 1986-12-15 Oyama Kogyo Koto Senmon Gatsukocho

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6159164B2 (en) * 1982-08-23 1986-12-15 Oyama Kogyo Koto Senmon Gatsukocho

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008075568A1 (en) 2006-12-21 2008-06-26 Hitachi Construction Machinery Co., Ltd. Steering system for working vehicle
WO2008081843A1 (en) 2006-12-26 2008-07-10 Hitachi Construction Machinery Co., Ltd. Steering system for working vehicle

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