JPS59195206U - Travel hydraulic circuit - Google Patents

Travel hydraulic circuit

Info

Publication number
JPS59195206U
JPS59195206U JP9167983U JP9167983U JPS59195206U JP S59195206 U JPS59195206 U JP S59195206U JP 9167983 U JP9167983 U JP 9167983U JP 9167983 U JP9167983 U JP 9167983U JP S59195206 U JPS59195206 U JP S59195206U
Authority
JP
Japan
Prior art keywords
travel
hydraulic circuit
tank
control valve
travel hydraulic
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
JP9167983U
Other languages
Japanese (ja)
Other versions
JPH0143525Y2 (en
Inventor
英昭 吉松
平川　浩巳
Original Assignee
株式会社神戸製鋼所
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 by 株式会社神戸製鋼所 filed Critical 株式会社神戸製鋼所
Priority to JP9167983U priority Critical patent/JPS59195206U/en
Publication of JPS59195206U publication Critical patent/JPS59195206U/en
Application granted granted Critical
Publication of JPH0143525Y2 publication Critical patent/JPH0143525Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Motor Power Transmission Devices (AREA)
  • Control And Safety Of Cranes (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は本考案に係る走行油圧回路の第１実施例を示す
油圧回路図、第２図は同第２実施例を示す油圧回路図で
ある。 １．２・・・メインポンプ、３．４・・・走行ｉ両弁、
５．６・・・走行モータ、７・・・タンク、８，９，１
０゜１１、　１７．　１８．　１９．　２０・・・・・
・走行モータの両側回路、１２．１３・・・タンク回路
、１５，１６゜１５’、１６’・・・ブレーキ弁、２５
．２６・・・パイロット切換弁、３１．　３２・・・ヒ
ート回路。FIG. 1 is a hydraulic circuit diagram showing a first embodiment of a traveling hydraulic circuit according to the present invention, and FIG. 2 is a hydraulic circuit diagram showing a second embodiment of the same. 1.2...Main pump, 3.4...Traveling i double valve,
5.6... Travel motor, 7... Tank, 8,9,1
0°11, 17. 18. 19. 20...
- Circuits on both sides of the travel motor, 12.13... Tank circuit, 15, 16° 15', 16'... Brake valve, 25
．． 26...Pilot switching valve, 31. 32...Heat circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ポンプの吐出油を走行モータに供給する作動位置と、走
行モータの両側回路をタンクに連通させる中立位置とを
有する走行制御弁を備えた走行油圧回路において、前記
走行制御弁の中立位置でタンク内の油をタンク回路から
走行モータのケーシング内に導く手段を具備しているこ
とを特徴とする走行油圧回路。In a travel hydraulic circuit equipped with a travel control valve having an operating position for supplying pump discharge oil to a travel motor and a neutral position for communicating both side circuits of the travel motor to a tank, the travel control valve is in a neutral position when the travel control valve is in a tank. 1. A travel hydraulic circuit comprising means for guiding oil from a tank circuit into a casing of a travel motor.
JP9167983U 1983-06-14 1983-06-14 Travel hydraulic circuit Granted JPS59195206U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9167983U JPS59195206U (en) 1983-06-14 1983-06-14 Travel hydraulic circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9167983U JPS59195206U (en) 1983-06-14 1983-06-14 Travel hydraulic circuit

Publications (2)

Publication Number Publication Date
JPS59195206U true JPS59195206U (en) 1984-12-25
JPH0143525Y2 JPH0143525Y2 (en) 1989-12-18

Family

ID=30221726

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9167983U Granted JPS59195206U (en) 1983-06-14 1983-06-14 Travel hydraulic circuit

Country Status (1)

Country Link
JP (1) JPS59195206U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018151008A (en) * 2017-03-14 2018-09-27 日立建機株式会社 Hydraulic drive unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018151008A (en) * 2017-03-14 2018-09-27 日立建機株式会社 Hydraulic drive unit

Also Published As

Publication number Publication date
JPH0143525Y2 (en) 1989-12-18

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