JPS60172868U - Hydraulic excavator hydraulic circuit - Google Patents

Hydraulic excavator hydraulic circuit

Info

Publication number
JPS60172868U
JPS60172868U JP5848984U JP5848984U JPS60172868U JP S60172868 U JPS60172868 U JP S60172868U JP 5848984 U JP5848984 U JP 5848984U JP 5848984 U JP5848984 U JP 5848984U JP S60172868 U JPS60172868 U JP S60172868U
Authority
JP
Japan
Prior art keywords
hydraulic
circuit
excavator
packet
side port
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
JP5848984U
Other languages
Japanese (ja)
Inventor
昇 稲葉
Original Assignee
新キャタピラ−三菱株式会社
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 新キャタピラ−三菱株式会社 filed Critical 新キャタピラ−三菱株式会社
Priority to JP5848984U priority Critical patent/JPS60172868U/en
Publication of JPS60172868U publication Critical patent/JPS60172868U/en
Pending legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Shovels (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (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 drawings]

第１図は従来の油圧ショベルを示す側面図、第２．３図
は同油圧ショベルの法面作業を示す説明図、第４図は本
考案に係る油圧ショベルの油圧回路の一実施例を示す説
明図、第５図は他の実施例を示す説明図である。 ７・・・パケット、８・・・パケット用油圧シリンダ、
９または１８・・・切換弁、１１・・・伸長側ポート、
１２・・・縮み側ポート、１７・・・タンク回路。Fig. 1 is a side view showing a conventional hydraulic excavator, Figs. 2 and 3 are explanatory diagrams showing slope work of the same hydraulic excavator, and Fig. 4 shows an embodiment of the hydraulic circuit of the hydraulic excavator according to the present invention. Explanatory diagram, FIG. 5 is an explanatory diagram showing another embodiment. 7... Packet, 8... Hydraulic cylinder for packet,
9 or 18...Switching valve, 11...Extension side port,
12...Compression side port, 17...Tank circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] パケットを用い法面仕上げ作業を行なうときに、パケッ
ト用油圧シリンダの伸長側ポート及び縮み側ポートをタ
ンク回路に連絡する切換弁を具えていることを特徴とし
た油圧ショベルの油圧回路。A hydraulic circuit for a hydraulic excavator, comprising a switching valve that connects an extension side port and a contraction side port of a hydraulic cylinder for a packet to a tank circuit when performing slope finishing work using a packet.
JP5848984U 1984-04-23 1984-04-23 Hydraulic excavator hydraulic circuit Pending JPS60172868U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5848984U JPS60172868U (en) 1984-04-23 1984-04-23 Hydraulic excavator hydraulic circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5848984U JPS60172868U (en) 1984-04-23 1984-04-23 Hydraulic excavator hydraulic circuit

Publications (1)

Publication Number Publication Date
JPS60172868U true JPS60172868U (en) 1985-11-15

Family

ID=30584034

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5848984U Pending JPS60172868U (en) 1984-04-23 1984-04-23 Hydraulic excavator hydraulic circuit

Country Status (1)

Country Link
JP (1) JPS60172868U (en)

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