JPS595656U - クランプ装置の油圧回路 - Google Patents

クランプ装置の油圧回路

Info

Publication number
JPS595656U
JPS595656U JP1982097250U JP9725082U JPS595656U JP S595656 U JPS595656 U JP S595656U JP 1982097250 U JP1982097250 U JP 1982097250U JP 9725082 U JP9725082 U JP 9725082U JP S595656 U JPS595656 U JP S595656U
Authority
JP
Japan
Prior art keywords
cylinder
pilot
clamp
hydraulic
pressure
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
JP1982097250U
Other languages
English (en)
Inventor
黒本　和憲
Original Assignee
株式会社小松製作所
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 株式会社小松製作所 filed Critical 株式会社小松製作所
Priority to JP1982097250U priority Critical patent/JPS595656U/ja
Priority to US06/507,095 priority patent/US4502723A/en
Publication of JPS595656U publication Critical patent/JPS595656U/ja
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/14—Grabs opened or closed by driving motors thereon
    • B66C3/16—Grabs opened or closed by driving motors thereon by fluid motors
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
    • E02F3/413—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device
    • E02F3/4135—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device with grabs mounted directly on a boom

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Shovels (AREA)
  • Load-Engaging Elements For Cranes (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。

Description

【図面の簡単な説明】
図面はこの考案の一実施例を示し、第１図はクランプ装
置の正面図、第２図は油圧回路図である。 ２は取付は部材、４はクランプ本体、６は第１爪体、７
はクランプシリンダ、１０は第２爪体、１２はクランプ
シリンダ、１５は油圧ポンプ、１７は管路、２６はパイ
ロットリリーフ弁、２６ａはパイロット回路、２８は油
圧シリンダ、２９はクランプ力設定ペダル。

Claims (1)

    【実用新案登録請求の範囲】
  1. 取付は部材２に対して旋回自在なりランプ本体４に、“
    クランプシリンダ７により開閉自在な第１爪体６と、ら
    れら第１爪体６の先端に設けられ、かつクランプシリン
    ダ１２により開閉自在は第２爪体１０とを具備するもの
    において、上記各クランプシリンダ７．１０に油圧を供
    給する油圧ポンプ１５の吐出管路１７に、パイロット圧
    によりリリーフ圧が任意に設定できるパイロットリリー
    フ弁２６を設けると共に、このパイロットリリーフ弁２
    ６のパイロット回路２６ａとクランプ力設定ペダル２９
    により任意なパイロット圧を発生する油圧シリンダ２８
    の間を切換え弁２７を介して接続してなるクランプ装置
    の油圧回路。
JP1982097250U 1982-06-30 1982-06-30 クランプ装置の油圧回路 Pending JPS595656U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1982097250U JPS595656U (ja) 1982-06-30 1982-06-30 クランプ装置の油圧回路
US06/507,095 US4502723A (en) 1982-06-30 1983-06-23 Oil hydraulic circuit for gripping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982097250U JPS595656U (ja) 1982-06-30 1982-06-30 クランプ装置の油圧回路

Publications (1)

Publication Number Publication Date
JPS595656U true JPS595656U (ja) 1984-01-14

Family

ID=14187325

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982097250U Pending JPS595656U (ja) 1982-06-30 1982-06-30 クランプ装置の油圧回路

Country Status (2)

Country Link
US (1) US4502723A (ja)
JP (1) JPS595656U (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4715631A (en) * 1985-11-29 1987-12-29 Kabushiki Kaisha Nakajima Tekkosho Lifting magnet unit with a gripping mechanism
US4783106A (en) * 1986-08-04 1988-11-08 Nutter Ralph E Method and apparatus for automatically controlling pressure in fluid-actuated systems
US5620222A (en) * 1995-02-14 1997-04-15 Hawco Manufacturing Co., Inc. Electro-hydraulic rectangular grapple for railcars
US7056078B2 (en) * 2003-09-24 2006-06-06 Cascade Corporation Hydraulically-synchronized clamp for handling stacked loads different sizes
US7614843B2 (en) * 2007-01-05 2009-11-10 Caterpillar Inc. Freely rotatable closed grapple head and machine using same
GB2522690B (en) * 2014-02-03 2016-12-14 Caterpillar Work Tools Bv Gripping device for machine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3185175A (en) * 1962-12-03 1965-05-25 Allis Chalmers Mfg Co Directional hydraulic control valve
US3937128A (en) * 1973-11-02 1976-02-10 Caterpillar Tractor Co. Hydraulic control circuit with remotely controlled dual pressure relief valve
US4017221A (en) * 1976-02-27 1977-04-12 Caterpillar Tractor Co. Combined unloading and relief valve for pump unloading circuit
JPS55135202A (en) * 1979-04-05 1980-10-21 Hitachi Constr Mach Co Ltd Driving circuit for hydraulically operated construction vehicle
US4452479A (en) * 1979-04-14 1984-06-05 Kabushiki Kaisha Komatsu Seisakusho Gripping device with interdigitating, articulate fingers

Also Published As

Publication number Publication date
US4502723A (en) 1985-03-05

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