JPS5954492U - boom device - Google Patents

boom device

Info

Publication number
JPS5954492U
JPS5954492U JP14897182U JP14897182U JPS5954492U JP S5954492 U JPS5954492 U JP S5954492U JP 14897182 U JP14897182 U JP 14897182U JP 14897182 U JP14897182 U JP 14897182U JP S5954492 U JPS5954492 U JP S5954492U
Authority
JP
Japan
Prior art keywords
boom
double
acting hydraulic
piston rod
hydraulic cylinder
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
JP14897182U
Other languages
Japanese (ja)
Other versions
JPH0133588Y2 (en
Inventor
片山　周一
Original Assignee
株式会社多田野鉄工所
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 株式会社多田野鉄工所 filed Critical 株式会社多田野鉄工所
Priority to JP14897182U priority Critical patent/JPS5954492U/en
Publication of JPS5954492U publication Critical patent/JPS5954492U/en
Application granted granted Critical
Publication of JPH0133588Y2 publication Critical patent/JPH0133588Y2/ja
Granted legal-status Critical Current

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  • Jib Cranes (AREA)
  • Actuator (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、従来の実施例を示す説明図、第２図−は、本
考案の１実施例を示す構成説明図、第３図は、第２図の
Ｈ矢視図である。 １：第１ブーム、２：第２ブーム、３：第３ブーム、Ａ
：複動油圧シリンダ、Ｂ：複動油圧シリンダ、４；枢支
ピン、６：シリンダチューブ、５：枢支ピン、８：支持
フランジ、１２ニジリンダチユーブ、１４：案内枠、９
：案内枠。FIG. 1 is an explanatory diagram showing a conventional embodiment, FIG. 2 is an explanatory diagram showing a configuration of an embodiment of the present invention, and FIG. 3 is a view taken in the direction of arrow H in FIG. 1: 1st boom, 2: 2nd boom, 3: 3rd boom, A
: Double acting hydraulic cylinder, B: Double acting hydraulic cylinder, 4; Pivot pin, 6: Cylinder tube, 5: Pivot pin, 8: Support flange, 12 Niji cylinder tube, 14: Guide frame, 9
: Information frame.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 第１ブーム内に第２ブームを、第２ブーム内に第３ブー
ムを夫々テレスコピック式に嵌挿し、これらブーム内に
複動油圧シリンダＡ、　Ｂを内装したブーム装置におい
て、前記複動油圧シリンダＡはそのシリンダチューブ６
のピストンロンド挿入側端部に支持フランジ８を設けて
なるものであって、この端部又は支持フランジ８と前記
第２ブームの基部を枢支ピン５を介して連結すると共に
そのピストンロッド端部と前記第１ブームの基部を枢支
ピン４を介して連結し、前記複動油圧シリンダＢはその
ピストンロッド端部を前記複動油圧シリンダＡの支持フ
ランジ８に連結固定すると共に、そのシリンダチューブ
１２はそのピストンロッド端部端部あるいはその反対側
端部を連結ピン１４を介して第３ブームに連結し、更に
前記シリンダチューブ１２は前記複動油圧シリンダＡの
シリンダチューブ６の先部に設けた案内枠９を摺動自在
に貫通していることを特徴とするブーム装置。In a boom device in which a second boom is telescopically inserted into the first boom, a third boom is telescopically inserted into the second boom, and double-acting hydraulic cylinders A and B are installed inside these booms, the double-acting hydraulic cylinder A is the cylinder tube 6
A support flange 8 is provided at the end of the piston rod insertion side, and this end or the support flange 8 and the base of the second boom are connected via a pivot pin 5, and the end of the piston rod is connected to the base of the second boom. and the base of the first boom are connected via a pivot pin 4, and the double-acting hydraulic cylinder B has its piston rod end connected and fixed to the support flange 8 of the double-acting hydraulic cylinder A, and its cylinder tube 12 connects the end of the piston rod or its opposite end to the third boom via a connecting pin 14, and the cylinder tube 12 is provided at the tip of the cylinder tube 6 of the double-acting hydraulic cylinder A. A boom device is characterized in that it slidably passes through a guide frame 9.
JP14897182U 1982-09-29 1982-09-29 boom device Granted JPS5954492U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14897182U JPS5954492U (en) 1982-09-29 1982-09-29 boom device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14897182U JPS5954492U (en) 1982-09-29 1982-09-29 boom device

Publications (2)

Publication Number Publication Date
JPS5954492U true JPS5954492U (en) 1984-04-10
JPH0133588Y2 JPH0133588Y2 (en) 1989-10-12

Family

ID=30330824

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14897182U Granted JPS5954492U (en) 1982-09-29 1982-09-29 boom device

Country Status (1)

Country Link
JP (1) JPS5954492U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009030652A (en) * 2007-07-24 2009-02-12 Miyoshi:Kk Multi-stage telescopic drive device
KR101331527B1 (en) * 2011-09-21 2013-11-20 동양기전 주식회사 Multi stage cylinder apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5041655U (en) * 1973-08-14 1975-04-26
JPS56124708A (en) * 1980-03-06 1981-09-30 Tadano Tekkosho:Kk Oil pressure cylinder device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5041655U (en) * 1973-08-14 1975-04-26
JPS56124708A (en) * 1980-03-06 1981-09-30 Tadano Tekkosho:Kk Oil pressure cylinder device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009030652A (en) * 2007-07-24 2009-02-12 Miyoshi:Kk Multi-stage telescopic drive device
KR101331527B1 (en) * 2011-09-21 2013-11-20 동양기전 주식회사 Multi stage cylinder apparatus

Also Published As

Publication number Publication date
JPH0133588Y2 (en) 1989-10-12

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