JPS6178188U

JPS6178188U -

Info

Publication number: JPS6178188U
Application number: JP16180484U
Authority: JP
Priority date: 1984-10-27
Filing date: 1984-10-27
Publication date: 1986-05-26

Description

[Brief explanation of drawings]

第１図は本考案のダブルリンク式引込クレーン
の一実施例を示す全体図、第２図は第１図の要部
拡大図、第３図は本考案のダブルリンク式引込ク
レーンにおける各ロープの牽引状態を示す説明図
、第４図は本考案のダブルリンク式引込クレーン
の他の実施例を示す要部図、第５図は従来のダブ
ルリンク式引込クレーンを示す図である。図中１は旋回フレーム、４は上部リンク、５は
フロントリンク、６はトツプジブ、７はシーブブ
ロツク、８はシーブ装置、９はコンテナ、１５は
延出部、１６は連結ロツドである。 Fig. 1 is an overall view showing an embodiment of the double link type retractable crane of the present invention, Fig. 2 is an enlarged view of the main part of Fig. 1, and Fig. 3 is a diagram of each rope in the double link type retractable crane of the present invention. FIG. 4 is an explanatory diagram showing a towing state, FIG. 4 is a main part diagram showing another embodiment of the double link type retractable crane of the present invention, and FIG. 5 is a diagram showing a conventional double link type retractable crane. In the figure, 1 is a rotating frame, 4 is an upper link, 5 is a front link, 6 is a top jib, 7 is a sheave block, 8 is a sheave device, 9 is a container, 15 is an extension, and 16 is a connecting rod.

Claims

[Scope of utility model registration request]

An upper link is connected to the upper end of the revolving frame, and a front link is connected to the lower end of the revolving frame so that they can move up and down in the same direction, and the rear end of a top jib is rotatably connected to the upper end of the upper link. A substantially horizontal sheave block is rotatably connected to the top end of the top jib, and a container or the like is suspended from the sheave block via a sheave device. In a double link type retractable crane that horizontally moves the tip of the top jib by rotation of the upper link and the front link, an extension is formed above the connection point of the front link with the top jib, and the extension is connected to the sheave block. A double-link type retractable crane characterized in that the outer end of the retractable side of the crane is rotatably connected to the outer end of the retractable side by a connecting rod.