JPH03127690U - - Google Patents

Info

Publication number
JPH03127690U
JPH03127690U JP3730390U JP3730390U JPH03127690U JP H03127690 U JPH03127690 U JP H03127690U JP 3730390 U JP3730390 U JP 3730390U JP 3730390 U JP3730390 U JP 3730390U JP H03127690 U JPH03127690 U JP H03127690U
Authority
JP
Japan
Prior art keywords
valve
winch
force variable
hoisting force
crane
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
JP3730390U
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 JP3730390U priority Critical patent/JPH03127690U/ja
Publication of JPH03127690U publication Critical patent/JPH03127690U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control And Safety Of Cranes (AREA)
  • Jib Cranes (AREA)

Description

【図面の簡単な説明】
第１図はこの考案による油圧ウインチ操作油圧
回路図、第２図はフツクをブームの先端に固定す
るフツクの格納方法の説明図、第３図は従来の自
走式クレーン車において走行姿勢と作業姿勢の２
つの車両姿勢間の変更作業の説明図、第４図は従
来の油圧ウインチ操作油圧回路図である。 １０……ウインチ巻上力可変弁、１１……低圧
リリーフ弁、１２……ソレノイド弁、２０……吸
込弁。

Claims (1)

    【実用新案登録請求の範囲】
  1. 自走式クレーン車において、走行姿勢と始業姿
    勢との２姿勢間の変更作業をブームの起伏回動操
    作のみで行なえるように、ウインチ操作油圧回路
    におけるカウンタバランス弁と油圧モータとの間
    の油路に、低圧リリーフ弁とソレノイド弁とから
    構成されたウインチ巻上力可変弁を設けたことを
    特長とする、クレーン用ウインチの巻上力可変装
    置。
JP3730390U 1990-04-09 1990-04-09 Pending JPH03127690U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3730390U JPH03127690U (ja) 1990-04-09 1990-04-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3730390U JPH03127690U (ja) 1990-04-09 1990-04-09

Publications (1)

Publication Number Publication Date
JPH03127690U true JPH03127690U (ja) 1991-12-24

Family

ID=31544290

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3730390U Pending JPH03127690U (ja) 1990-04-09 1990-04-09

Country Status (1)

Country Link
JP (1) JPH03127690U (ja)

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