JPH0422334U - - Google Patents

Info

Publication number
JPH0422334U
JPH0422334U JP6410390U JP6410390U JPH0422334U JP H0422334 U JPH0422334 U JP H0422334U JP 6410390 U JP6410390 U JP 6410390U JP 6410390 U JP6410390 U JP 6410390U JP H0422334 U JPH0422334 U JP H0422334U
Authority
JP
Japan
Prior art keywords
support arm
supported
drive force
vehicle body
driving force
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
JP6410390U
Other languages
Japanese (ja)
Other versions
JP2563285Y2 (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 JP1990064103U priority Critical patent/JP2563285Y2/en
Publication of JPH0422334U publication Critical patent/JPH0422334U/ja
Application granted granted Critical
Publication of JP2563285Y2 publication Critical patent/JP2563285Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Jib Cranes (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、本考案に係る揺動時アーム制御装置
を備えたケーブル工事車の側面図、第２図は、上
記揺動支持アーム制御装置の油圧回路図、第３図
は、上記揺動支持アームの作動とその駆動力およ
びリミツトスイツチとの関係を示した図表である
。 ３……揺動支持アーム、４……ケーブルドラム
、５……揺動シリンダ、２１……揺動方向操作バ
ルブ、２２……高圧リリーフバルブ、２３……低
圧リリーフバルブ、２４……リリーフ圧選択バル
ブ、３１……カム、ＬＳ……リミツトスイツチ。 FIG. 1 is a side view of a cable construction vehicle equipped with a swing arm control device according to the present invention, FIG. 2 is a hydraulic circuit diagram of the swing support arm control device, and FIG. 3 is a chart showing the relationship between the operation of the support arm, its driving force, and a limit switch. 3... Rocking support arm, 4... Cable drum, 5... Rocking cylinder, 21... Rocking direction operation valve, 22... High pressure relief valve, 23... Low pressure relief valve, 24... Relief pressure selection Valve, 31...cam, LS...limit switch.

Claims (1)

【実用新案登録請求の範囲】 車体上に、支持対象物を支持するとともに垂直
面内において揺動し、前記車体および地面間での
前記支持対象物の積み降ろしを可能とした揺動支
持アームを備えてなる作業車の揺動支持アーム制
御装置であつて、 前記揺動支持アームの駆動力を大駆動力もしく
は小駆動力に設定可能とした駆動力設定手段と、 前記揺動支持アームが、前記支持対象物を前記
車体もしくは地面に向かつて下降させる方向に揺
動するときは、前記駆動力設定手段を小駆動力側
に切換える駆動力切換手段とからなることを特徴
とする作業車の揺動支持アーム制御装置。[Claims for Utility Model Registration] A swinging support arm is provided on a vehicle body, which supports an object to be supported and which swings in a vertical plane to enable loading and unloading of the object to be supported between the vehicle body and the ground. A swing support arm control device for a work vehicle, comprising: a drive force setting means that allows the drive force of the swing support arm to be set to a large drive force or a small drive force; the swing support arm; The rocking of the work vehicle is characterized by comprising a driving force switching means for switching the driving force setting means to a small driving force side when the object to be supported is swung in a direction to lower the supported object toward the vehicle body or the ground. Dynamic support arm control device.
JP1990064103U 1990-06-18 1990-06-18 Oscillation support arm control device for work vehicle Expired - Lifetime JP2563285Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990064103U JP2563285Y2 (en) 1990-06-18 1990-06-18 Oscillation support arm control device for work vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990064103U JP2563285Y2 (en) 1990-06-18 1990-06-18 Oscillation support arm control device for work vehicle

Publications (2)

Publication Number Publication Date
JPH0422334U true JPH0422334U (en) 1992-02-25
JP2563285Y2 JP2563285Y2 (en) 1998-02-18

Family

ID=31594744

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990064103U Expired - Lifetime JP2563285Y2 (en) 1990-06-18 1990-06-18 Oscillation support arm control device for work vehicle

Country Status (1)

Country Link
JP (1) JP2563285Y2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4710284U (en) * 1971-03-01 1972-10-06
JPS5478109U (en) * 1977-11-14 1979-06-02
JPS61161043U (en) * 1985-03-28 1986-10-06

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4710284U (en) * 1971-03-01 1972-10-06
JPS5478109U (en) * 1977-11-14 1979-06-02
JPS61161043U (en) * 1985-03-28 1986-10-06

Also Published As

Publication number Publication date
JP2563285Y2 (en) 1998-02-18

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