JPH0297437U - - Google Patents

Info

Publication number
JPH0297437U
JPH0297437U JP1989005490U JP549089U JPH0297437U JP H0297437 U JPH0297437 U JP H0297437U JP 1989005490 U JP1989005490 U JP 1989005490U JP 549089 U JP549089 U JP 549089U JP H0297437 U JPH0297437 U JP H0297437U
Authority
JP
Japan
Prior art keywords
positions
cylinders
upper revolving
work implement
revolving body
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
JP1989005490U
Other languages
English (en)
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 filed Critical
Priority to JP1989005490U priority Critical patent/JPH0297437U/ja
Priority to PCT/JP1990/000070 priority patent/WO1990008233A1/ja
Priority to EP19900901879 priority patent/EP0419667A4/en
Priority to US07/582,182 priority patent/US5136928A/en
Priority to KR1019900702104A priority patent/KR910700384A/ko
Publication of JPH0297437U publication Critical patent/JPH0297437U/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • 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
    • E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
    • 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
    • E02F9/2025—Particular purposes of control systems not otherwise provided for
    • E02F9/2033—Limiting the movement of frames or implements, e.g. to avoid collision between implements and the cabin
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads

Description

【図面の簡単な説明】
第１図はこの考案の一実施例になる作業機停止
装置の回路図、第２図は従来の超小旋回パワシヨ
ベルの側面図、第３図は同平面図、第４図は同回
路図である。 １……下部走行体、２……上部旋回体、３……
作業機、４，６，１０ａ……シリンダ、２４，２
５，２６……管路、２７，２８，２９……電磁弁
、２７ａ，２８ａ，２９ａ……連通ポジシヨン、
２７ｂ，２８ｂ，２９ｂ……遮断ポジシヨン、２
７ｃ，２８ｃ，２９ｃ……チエツク弁。

Claims (1)

    【実用新案登録請求の範囲】
  1. 自走自在な下部走行体１上に上部旋回体２を旋
    回自在に設け、この上部旋回体２に作業機３を装
    着した超小旋回パワシヨベルにおいて、上記作業
    機３に設けられたシリンダ４，６，１０ａを制御
    する操作弁２０，２１，２２と各シリンダ４，６
    ，１０ａを接続する管路２４，２５，２６に、作
    業機３が干渉領域手前の危険区域に達したとき連
    通ポジシヨン２７ａ，２８ａ，２９ａより遮断ポ
    ジシヨン２７ｂ，２８ｂ，２９ｂへ切換えられる
    電磁弁２７，２８，２９を設けると共に、上記遮
    断ポジシヨン２７ｂ，２８ｂ，２９ｂにシリンダ
    ４，６，１０ａ方向への流れを阻止するチエツク
    弁２７ｃ，２８ｃ，２９ｃ弁を設けてなる超小旋
    回パワシヨベルの作業機停止装置。
JP1989005490U 1989-01-23 1989-01-23 Pending JPH0297437U (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1989005490U JPH0297437U (ja) 1989-01-23 1989-01-23
PCT/JP1990/000070 WO1990008233A1 (en) 1989-01-23 1990-01-22 Service machine stopping apparatus for midget rotary power shovel
EP19900901879 EP0419667A4 (en) 1989-01-23 1990-01-22 Service machine stopping apparatus for midget rotary power shovel
US07/582,182 US5136928A (en) 1989-01-23 1990-01-22 Service machine stopping apparatus for midget rotary power shovel
KR1019900702104A KR910700384A (ko) 1989-01-23 1990-01-22 초소 선회 파워 셔블(midget rotary power shovel)의 작업기 정지 장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989005490U JPH0297437U (ja) 1989-01-23 1989-01-23

Publications (1)

Publication Number Publication Date
JPH0297437U true JPH0297437U (ja) 1990-08-02

Family

ID=11612688

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989005490U Pending JPH0297437U (ja) 1989-01-23 1989-01-23

Country Status (5)

Country Link
US (1) US5136928A (ja)
EP (1) EP0419667A4 (ja)
JP (1) JPH0297437U (ja)
KR (1) KR910700384A (ja)
WO (1) WO1990008233A1 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07110759B2 (ja) * 1990-10-18 1995-11-29 株式会社神戸製鋼所 建設機械における上部旋回体の旋回停止制御方法および装置
SE500613C2 (sv) * 1991-09-20 1994-07-25 Hilda Barbro Hjalmarson Blandningsapparat omfattande en för mottagning av provtagningsrör avsedd blandningsplatta, som bibringas en vaggningsrörelse av viss frekvens
JP3173896B2 (ja) * 1992-11-09 2001-06-04 株式会社クボタ バックホウ
US5704141A (en) * 1992-11-09 1998-01-06 Kubota Corporation Contact prevention system for a backhoe
JP3679848B2 (ja) * 1995-12-27 2005-08-03 日立建機株式会社 建設機械の作業範囲制限制御装置
US5957989A (en) * 1996-01-22 1999-09-28 Hitachi Construction Machinery Co. Ltd. Interference preventing system for construction machine
US5626070A (en) * 1996-02-29 1997-05-06 Caterpillar Inc. Control logic for a multiple use hydraulic system
CN1076422C (zh) * 1997-01-07 2001-12-19 日立建机株式会社 两段臂架式油压挖掘机的防干扰装置
US6729831B1 (en) * 1998-08-31 2004-05-04 Yanmar Co., Ltd. Extremely-small-swing working machine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814265A (en) * 1973-08-20 1974-06-04 Harnischfeger Corp Hydraulic crane control system having means for deactivating control valves when operating limit is exceeded
JPS517705A (ja) * 1974-06-20 1976-01-22 Kubota Ltd Kutsusakuki
US4236864A (en) * 1978-11-09 1980-12-02 Raymond Couture Safety control system for the boom of a crane
JPS58160437A (ja) * 1982-03-17 1983-09-22 Kubota Ltd シヨベル作業車
US4646620A (en) * 1983-07-01 1987-03-03 Buchl Andrew F Automatic depth control system
JPS6153922A (ja) * 1984-08-24 1986-03-18 Hitachi Constr Mach Co Ltd 建設機械の作業安全装置
JPS61216938A (ja) * 1985-03-19 1986-09-26 Seirei Ind Co Ltd 二重旋回バツクホ−の旋回安全装置
US4655039A (en) * 1985-06-20 1987-04-07 The Raymond Corporation Lift system
GB2222997B (en) * 1988-09-21 1992-09-30 Kubota Ltd Backhoe implement control system for use in work vehicle
DE4004781A1 (de) * 1990-02-16 1991-08-22 Degussa Verfahren zur herstellung von mit organosiliciumverbindungen modifizierten fuellstoffen, die so hergestellten fuellstoffe und deren verwendung
JP3425777B2 (ja) * 1992-11-25 2003-07-14 四国化成工業株式会社 食用油脂に対して分解能を示す微生物及びその使用法

Also Published As

Publication number Publication date
KR910700384A (ko) 1991-03-15
US5136928A (en) 1992-08-11
WO1990008233A1 (en) 1990-07-26
EP0419667A4 (en) 1992-08-26
EP0419667A1 (en) 1991-04-03

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