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KR830003359A - Telescopic device of multi-stage boom - Google Patents

Telescopic device of multi-stage boom Download PDF

Info

Publication number
KR830003359A
KR830003359A KR1019800003226A KR800003226A KR830003359A KR 830003359 A KR830003359 A KR 830003359A KR 1019800003226 A KR1019800003226 A KR 1019800003226A KR 800003226 A KR800003226 A KR 800003226A KR 830003359 A KR830003359 A KR 830003359A
Authority
KR
South Korea
Prior art keywords
boom
compression rod
bracket
multistage
expansion
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.)
Ceased
Application number
KR1019800003226A
Other languages
Korean (ko)
Inventor
미쓰노부 오끼노
Original Assignee
야기 요시오
신메이와 고오교 가부시끼가이샤
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 야기 요시오, 신메이와 고오교 가부시끼가이샤 filed Critical 야기 요시오
Priority to KR1019800003226A priority Critical patent/KR830003359A/en
Publication of KR830003359A publication Critical patent/KR830003359A/en
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/04—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs the effective length of which is variable in operation, e.g. longitudinally displaceable, extensible

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

내용 없음No content

Description

다단 붐(多段 Boom)의 신축장치(伸縮裝置)Telescopic device of multi-stage boom

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

제1도는 본 발명의 장치를 설치한 다단 신축 붐의 일부분 측면도.1 is a partial side view of a multistage telescopic boom with a device of the present invention.

제2도는 그 평면도.2 is a plan view thereof.

제3도(a)-(d)는 그 신장과정을 표시하는 측면도이다.3 (a)-(d) are side views showing the stretching process.

Claims (5)

기단붐(基端 Boom)(1) 중간붐(中間 Boom)(2) 선단붐(先端 Boom)(3)을 순차로 접동자재하게 감합시키는 동시에, 기단붐(1)과 중간붐(2)사이에 유압실린더(4)를 배설한 다단(多端)붐에 있어서, 기단붐(1) 선단붐(3) 각각으로 장설(裝設)된 제1브래킷(bracket)(5)과 제2브래킷(8)사이에 콤프레션 롯드(compression rod)(10)를 계탈(係脫)가능하게 배치하며, 상기 중간붐(2)과 선단붐(3)을 고정시키는 고정핀(13)을 상기 콤프레션 롯드(10)에 옮겨끼워 삽입하고, 그로써 상기 유압실린더(4)를 신장하는 때는 상기 콤프레션 롯드(10)에 삽입된 고정핀(13)이 상기 제1브래킷(5)의 계지홈(6)에 자동적으로 감입되어지도록 한 다단붐(多端 Boom)의 신축장치(伸縮裝置).Base boom (1) Middle boom (2) The front boom (3) is slidably fitted in sequence, and the base boom (1) and the intermediate boom (2) In the multi-stage boom in which the hydraulic cylinders 4 are disposed in the first brackets, the first bracket 5 and the second bracket 8 installed in each of the base boom 1 and the tip boom 3 are arranged. A compression rod 10 is disposed between the compression rod 10 and a fixing pin 13 for fixing the intermediate boom 2 and the tip boom 3 to the compression rod. 10), and when the hydraulic cylinder 4 is extended, the fixing pin 13 inserted into the compression rod 10 is automatically inserted into the locking groove 6 of the first bracket 5. An expansion device of a multistage boom that is fitted into the machine. 상기 콤프레션 롯드(10)는 붐 상면에 배치한 것을 특징으로 하는 상기 특허청구의 범위 제1항 기재의 다단붐의 신축장치.The compression rod (10) is an expansion and contraction apparatus of the multistage boom according to claim 1, characterized in that arranged on the upper surface of the boom. 상기 제1브래킷(5), 제2브래킷(8)은 각각 기단붐(1)선단 선단붐(3)선단에 고착되어 상방으로 향하여 U자형의 계지홈(6)(9)이 형성된 상기 특허청구범위 제1항 기재의 다단붐의 신축장치.The first bracket 5 and the second bracket 8 are fixed to the proximal end boom 1 and the distal end boom 3, respectively, so that the U-shaped locking grooves 6 and 9 are formed upward. Scope Expansion apparatus of multistage boom according to claim 1. 상기 제1브래킷(5)에는 콤프레션 롯드(10)에 삽입되어진 고정핀(13)의 안내(7)를 기단붐(1)선단 방향에 걸쳐서 형성한 상기 특허청구의 범위 제1항 또는 제3항 기재의 다단붐의 신축장치.Claim 1 or 3 of the claims, wherein the guide 7 of the fixing pin 13 inserted into the compression rod 10 is formed in the first bracket 5 over the proximal direction of the base boom 1. Expansion and contraction device of multistage boom of description. 상기 콤프레션 롯드(10)의 불사용시, 이 콤프레션 롯드(10)를 격납하는 계지부를 기단 붐(1)에 배설한 상기 특허청구의 범위 제1항 기재의 다단붐의 신축장치.The expansion apparatus of the multistage boom according to claim 1, wherein a locking portion for storing the compression rod (10) is disposed in the base boom (1) when the compression rod (10) is not in use. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019800003226A 1980-08-14 1980-08-14 Telescopic device of multi-stage boom Ceased KR830003359A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019800003226A KR830003359A (en) 1980-08-14 1980-08-14 Telescopic device of multi-stage boom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019800003226A KR830003359A (en) 1980-08-14 1980-08-14 Telescopic device of multi-stage boom

Publications (1)

Publication Number Publication Date
KR830003359A true KR830003359A (en) 1983-06-20

Family

ID=54846908

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019800003226A Ceased KR830003359A (en) 1980-08-14 1980-08-14 Telescopic device of multi-stage boom

Country Status (1)

Country Link
KR (1) KR830003359A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100533415B1 (en) * 2000-12-22 2005-12-05 현대중공업 주식회사 Electrial Boom Select Switch Operates the Extension and Folds the Extension
KR100735050B1 (en) * 2003-05-06 2007-07-06 주식회사 세인이엔지 Telescopic multi-stage boom and aerial work vehicle with same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100533415B1 (en) * 2000-12-22 2005-12-05 현대중공업 주식회사 Electrial Boom Select Switch Operates the Extension and Folds the Extension
KR100735050B1 (en) * 2003-05-06 2007-07-06 주식회사 세인이엔지 Telescopic multi-stage boom and aerial work vehicle with same

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Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19800814

PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19830322

Patent event code: PE09021S01D

PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19840208

Patent event code: PE09021S01D

PE0601 Decision on rejection of patent

Patent event date: 19841012

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 19840208

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I

Patent event date: 19830322

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I

PJ2001 Appeal

Appeal kind category: Appeal against decision to decline refusal

Decision date: 19860228

Appeal identifier: 1984201000914

Request date: 19841201