KR890006952A - Hydraulic pump idle prevention device of excavator - Google Patents

Hydraulic pump idle prevention device of excavator Download PDF

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Publication number
KR890006952A
KR890006952A KR870012109A KR870012109A KR890006952A KR 890006952 A KR890006952 A KR 890006952A KR 870012109 A KR870012109 A KR 870012109A KR 870012109 A KR870012109 A KR 870012109A KR 890006952 A KR890006952 A KR 890006952A
Authority
KR
South Korea
Prior art keywords
hydraulic pump
excavator
prevention device
pump idle
idle prevention
Prior art date
Application number
KR870012109A
Other languages
Korean (ko)
Other versions
KR910004178B1 (en
Inventor
김두상
Original Assignee
최관식
삼성중공업 주식회사
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 최관식, 삼성중공업 주식회사 filed Critical 최관식
Priority to KR1019870012109A priority Critical patent/KR910004178B1/en
Publication of KR890006952A publication Critical patent/KR890006952A/en
Application granted granted Critical
Publication of KR910004178B1 publication Critical patent/KR910004178B1/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • 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
    • E02F9/24—Safety devices, e.g. for preventing overload

Abstract

내용 없음No content

Description

굴삭기의 유압펌프 공회전방지장치Hydraulic pump idle prevention device of excavator

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제 1 도는 본 발명에 따른 유압펌프 작동회로도이다.1 is a hydraulic pump operating circuit diagram according to the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 오일탱크 2 : 유압펌프1: Oil tank 2: Hydraulic pump

3 : 유압관로 4 : 유로차단밸브3: hydraulic passage 4: flow path blocking valve

5 : 리미트스위치 6 : 릴레이5: limit switch 6: relay

7 : 전원 8 : 엔진시동스위치7: power 8: engine start switch

9 : 엔진 10 : 스타터모우터9: engine 10: starter motor

11 : 경고등 12 : 경보기11: warning light 12: alarm

Claims (1)

굴삭기의 유압발생장치에 있어서, 유로차단장치인 유로차단밸브(4)에 이 밸브(4)의 절환상태에 따라 작동되어지는 리미트스위치(5)가 연결되고, 이 리미트스위치(5)는 릴레이(6)에 연결되면서, 전원(7)과의 사이에 엔진시동스위치(8)가 연결되며, 전원(7)과 엔진시동스위치(8)는 릴레이(6)를 매개로 유압펌프(2)를 연동시키는 엔진(9)의 스타터모우터(10)와 경보장치인 경고등(11) 및 경보기(12)에 각각 연결되어진 것을 특징으로 하는 유압펌프 공회전방지장치.In the hydraulic pressure generating device of an excavator, the limit switch 5 which is operated according to the switching state of this valve 4 is connected to the flow path blocking valve 4 which is a flow path blocking device, and this limit switch 5 is a relay ( 6), the engine start switch 8 is connected between the power source 7 and the power source 7 and the engine start switch 8 interlock the hydraulic pump 2 via the relay 6. Hydraulic pump idle prevention device, characterized in that connected to the starter motor (10) of the engine (9) and the warning light (11) and the alarm 12, respectively. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870012109A 1987-10-30 1987-10-30 An appratus preventing hydraulic pump from idling on excavator KR910004178B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870012109A KR910004178B1 (en) 1987-10-30 1987-10-30 An appratus preventing hydraulic pump from idling on excavator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870012109A KR910004178B1 (en) 1987-10-30 1987-10-30 An appratus preventing hydraulic pump from idling on excavator

Publications (2)

Publication Number Publication Date
KR890006952A true KR890006952A (en) 1989-06-17
KR910004178B1 KR910004178B1 (en) 1991-06-24

Family

ID=19265600

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870012109A KR910004178B1 (en) 1987-10-30 1987-10-30 An appratus preventing hydraulic pump from idling on excavator

Country Status (1)

Country Link
KR (1) KR910004178B1 (en)

Also Published As

Publication number Publication date
KR910004178B1 (en) 1991-06-24

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Payment date: 19960311

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