JPH0426259U - - Google Patents

Info

Publication number
JPH0426259U
JPH0426259U JP6504390U JP6504390U JPH0426259U JP H0426259 U JPH0426259 U JP H0426259U JP 6504390 U JP6504390 U JP 6504390U JP 6504390 U JP6504390 U JP 6504390U JP H0426259 U JPH0426259 U JP H0426259U
Authority
JP
Japan
Prior art keywords
hydraulic
circuit
construction machinery
hydraulic circuit
motors
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
JP6504390U
Other languages
Japanese (ja)
Other versions
JPH089236Y2 (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 JP1990065043U priority Critical patent/JPH089236Y2/en
Publication of JPH0426259U publication Critical patent/JPH0426259U/ja
Application granted granted Critical
Publication of JPH089236Y2 publication Critical patent/JPH089236Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)

Description

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

図面は本考案の一実施例を示す建設機械の走行
用油圧回路図である。 １……走行用油圧回路、２……エンジン、３…
…油圧ポンプ、４……油圧モーター、５……コン
トロールバルブ、５ａ……走行レバー、６……ブ
レーキバルブ、７……バイパス回路、７ａ……可
変流量制御弁、７ｂ……仕切弁。 The drawing is a hydraulic circuit diagram for running a construction machine showing an embodiment of the present invention. 1...Hydraulic circuit for traveling, 2...Engine, 3...
... Hydraulic pump, 4 ... Hydraulic motor, 5 ... Control valve, 5a ... Travel lever, 6 ... Brake valve, 7 ... Bypass circuit, 7a ... Variable flow control valve, 7b ... Gate valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 左右のクローラを駆動するそれぞれの油圧モー
ターと、該両油圧モーターにそれぞれ作動油を供
給する固定容量の油圧ポンプとを備えた建設機械
の走行用油圧回路において、該各油圧回路に、可
変流量制御弁を有するバイパス回路を設けたこと
を特徴とする建設機械の走行用油圧回路。 In a hydraulic circuit for traveling construction machinery that is equipped with hydraulic motors that drive left and right crawlers and fixed-capacity hydraulic pumps that supply hydraulic oil to both hydraulic motors, variable flow control is applied to each hydraulic circuit. A hydraulic circuit for running construction machinery, characterized in that it is provided with a bypass circuit having a valve.
JP1990065043U 1990-06-20 1990-06-20 Hydraulic circuit for running construction machinery Expired - Fee Related JPH089236Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990065043U JPH089236Y2 (en) 1990-06-20 1990-06-20 Hydraulic circuit for running construction machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990065043U JPH089236Y2 (en) 1990-06-20 1990-06-20 Hydraulic circuit for running construction machinery

Publications (2)

Publication Number Publication Date
JPH0426259U true JPH0426259U (en) 1992-03-02
JPH089236Y2 JPH089236Y2 (en) 1996-03-13

Family

ID=31596521

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990065043U Expired - Fee Related JPH089236Y2 (en) 1990-06-20 1990-06-20 Hydraulic circuit for running construction machinery

Country Status (1)

Country Link
JP (1) JPH089236Y2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3069359U (en) * 1999-11-30 2000-06-16 平和印刷株式会社 Delivery slip

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3069359U (en) * 1999-11-30 2000-06-16 平和印刷株式会社 Delivery slip

Also Published As

Publication number Publication date
JPH089236Y2 (en) 1996-03-13

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees