JPS59192940U - Hydraulic circuit of chuck device - Google Patents

Hydraulic circuit of chuck device

Info

Publication number
JPS59192940U
JPS59192940U JP8622483U JP8622483U JPS59192940U JP S59192940 U JPS59192940 U JP S59192940U JP 8622483 U JP8622483 U JP 8622483U JP 8622483 U JP8622483 U JP 8622483U JP S59192940 U JPS59192940 U JP S59192940U
Authority
JP
Japan
Prior art keywords
chuck device
circuit
pressure side
hydraulic cylinder
hydraulic circuit
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
JP8622483U
Other languages
Japanese (ja)
Other versions
JPS6133077Y2 (en
Inventor
桑森　誠一郎
大塚　孝行
Original Assignee
三和機材株式会社
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 三和機材株式会社 filed Critical 三和機材株式会社
Priority to JP8622483U priority Critical patent/JPS59192940U/en
Publication of JPS59192940U publication Critical patent/JPS59192940U/en
Application granted granted Critical
Publication of JPS6133077Y2 publication Critical patent/JPS6133077Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (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図は本考案に係るチャック装置を適用する掘削機の
一部を示す略示断面図、第２図は第１図におけるチャッ
ク装置の平面図、第３図は本考案、の一実施例を示す油
圧回路である。 １・・・パイロットチェック弁、２・・・油圧シリンダ
、３・・田ツド側、４・・・圧着用回路、５・・・ヘッ
ド側、６・・・離脱用回路、７・・・チェック弁、８・
・・アキュームレータ、１２・・・パイロット管路。Fig. 1 is a schematic sectional view showing a part of an excavator to which the chuck device according to the present invention is applied, Fig. 2 is a plan view of the chuck device in Fig. 1, and Fig. 3 is an embodiment of the present invention. This is a hydraulic circuit showing. 1...Pilot check valve, 2...Hydraulic cylinder, 3...Tatsudo side, 4...Crimping circuit, 5...Head side, 6...Removal circuit, 7...Check Valve, 8.
...Accumulator, 12...Pilot pipe.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一対のパイロットチェック弁の一方から油圧シリンダの
加圧側に至る圧着用回路と、前記パイロットチェック弁
の他方から前記油圧シリンダの低圧側に至る離脱用回路
とを有するチャック装置において、前記離脱用回路の途
中に、前記圧着用回路からのパイロット圧により作動す
るチェック弁を設け、さらに該チェック弁にアキューム
レータを直結してなり、該アキュームレータは油圧源を
取り外したとき前記油圧シリンダの加圧側より低圧側に
漏れた圧油を吸収するようにしたことを特徴とするチャ
ック装置の油圧回路。In a chuck device having a crimping circuit extending from one of a pair of pilot check valves to a pressure side of a hydraulic cylinder, and a detachment circuit extending from the other of the pilot check valves to a low pressure side of the hydraulic cylinder, the detachment circuit A check valve operated by pilot pressure from the crimping circuit is provided in the middle, and an accumulator is directly connected to the check valve, and when the hydraulic power source is removed, the accumulator is set to a lower pressure side than the pressure side of the hydraulic cylinder. A hydraulic circuit for a chuck device characterized by absorbing leaked pressure oil.
JP8622483U 1983-06-06 1983-06-06 Hydraulic circuit of chuck device Granted JPS59192940U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8622483U JPS59192940U (en) 1983-06-06 1983-06-06 Hydraulic circuit of chuck device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8622483U JPS59192940U (en) 1983-06-06 1983-06-06 Hydraulic circuit of chuck device

Publications (2)

Publication Number Publication Date
JPS59192940U true JPS59192940U (en) 1984-12-21
JPS6133077Y2 JPS6133077Y2 (en) 1986-09-26

Family

ID=30216164

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8622483U Granted JPS59192940U (en) 1983-06-06 1983-06-06 Hydraulic circuit of chuck device

Country Status (1)

Country Link
JP (1) JPS59192940U (en)

Also Published As

Publication number Publication date
JPS6133077Y2 (en) 1986-09-26

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