JPS604656U - Backhoe hydraulic system - Google Patents

Backhoe hydraulic system

Info

Publication number
JPS604656U
JPS604656U JP9570383U JP9570383U JPS604656U JP S604656 U JPS604656 U JP S604656U JP 9570383 U JP9570383 U JP 9570383U JP 9570383 U JP9570383 U JP 9570383U JP S604656 U JPS604656 U JP S604656U
Authority
JP
Japan
Prior art keywords
hydraulic system
control valve
backhoe
backhoe hydraulic
integrated
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
JP9570383U
Other languages
Japanese (ja)
Inventor
稲又　敏彦
Original Assignee
セイレイ工業株式会社
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 セイレイ工業株式会社 filed Critical セイレイ工業株式会社
Priority to JP9570383U priority Critical patent/JPS604656U/en
Publication of JPS604656U publication Critical patent/JPS604656U/en
Pending legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Component Parts Of Construction Machinery (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図はバックホー装置の全体側面図。第２図は同じく
全体側面図。第３図は本件考案の油圧回路図である。 Ａ・・・レバー類、Ｂ・・・一体ケース、１４．１５・
・・油圧モーター、１６．１７・・・可変油圧モーター
、１８．２０・・・クローラ−コントロールバルブ、１
９・・・速度切換えコントロールバルブ、２１゜２２．
２３．２４・・・作業機用コントロールバルブ、２９．
３０・・・変速用油圧シリンダ−。FIG. 1 is an overall side view of the backhoe device. Figure 2 is also an overall side view. FIG. 3 is a hydraulic circuit diagram of the present invention. A...Levers, B...Integrated case, 14.15.
...Hydraulic motor, 16.17...Variable hydraulic motor, 18.20...Crawler control valve, 1
9...Speed switching control valve, 21°22.
23.24... Control valve for work equipment, 29.
30... Hydraulic cylinder for speed change.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] バックホーの油圧装置において、走行用可変油圧モータ
ーの速度切換えコントロールバルブを、左右のクローラ
−の前後進切換え用クローラ−コントロールバルブや作
業機用コントロールバルブと、一体ケースＢ内に一体化
したことを特徴とするバックホーの油圧装置。In the hydraulic system of the backhoe, the speed switching control valve of the variable hydraulic motor for traveling is integrated in the integrated case B with the crawler control valve for switching forward and backward movement of the left and right crawlers and the control valve for the work equipment. backhoe hydraulic system.
JP9570383U 1983-06-20 1983-06-20 Backhoe hydraulic system Pending JPS604656U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9570383U JPS604656U (en) 1983-06-20 1983-06-20 Backhoe hydraulic system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9570383U JPS604656U (en) 1983-06-20 1983-06-20 Backhoe hydraulic system

Publications (1)

Publication Number Publication Date
JPS604656U true JPS604656U (en) 1985-01-14

Family

ID=30228425

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9570383U Pending JPS604656U (en) 1983-06-20 1983-06-20 Backhoe hydraulic system

Country Status (1)

Country Link
JP (1) JPS604656U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57205637A (en) * 1981-06-10 1982-12-16 Hitachi Constr Mach Co Ltd Oil-pressure circuit for travelling of construction machine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57205637A (en) * 1981-06-10 1982-12-16 Hitachi Constr Mach Co Ltd Oil-pressure circuit for travelling of construction machine

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