JPH0315881U

JPH0315881U -

Info

Publication number: JPH0315881U
Application number: JP7536089U
Authority: JP
Priority date: 1989-06-26
Filing date: 1989-06-26
Publication date: 1991-02-18

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例に係る船用クレーン
の側面図、第２図は同平面図、第３図は該船用ク
レーンの部分断面図、第４図は第３図における矢
視Ａ−Ａ断面図、第５図は第３図における屈折ブ
ームの矢視Ｂ−Ｂ断面図、第６図は第３図におけ
る屈折ブームの矢視Ｃ−Ｃ断面図、第７図は第３
図における屈折ブームの矢視Ｄ−Ｄ断面図、第８
図は第３図における矢視Ｅ−Ｅ断面図である。符号の説明、１０……船用クレーン、１１……
旋回架台、１２……主ブーム、１３……取付け金
具、１４……屈折ブーム、１５……油圧シリンダ
ー、１６……網捌機、１７……アバ吊りウインチ
、１８……回転駆動源、１９……旋回架台、２０
……油圧シリンダー、２１……先端金具、２２，
２３……リンクバー、２４……外側ケース、２５
……内側ケース、２６……油圧シリンダー、２７
……先端金具、２８，２９……スライド板、３０
，３１……ピン、３２……取付け孔。 FIG. 1 is a side view of a marine crane according to an embodiment of the present invention, FIG. 2 is a plan view thereof, FIG. 3 is a partial sectional view of the marine crane, and FIG. 4 is a view taken along arrow A-- in FIG. A sectional view, FIG. 5 is a sectional view taken along arrow B-B of the bending boom in FIG. 3, FIG. 6 is a sectional view taken along arrow C-C of the bending boom in FIG. 3, and FIG.
8th sectional view of the refracting boom taken along arrow D-D in the figure.
The figure is a sectional view taken along the line EE in FIG. 3. Explanation of symbols, 10... Ship crane, 11...
Swivel frame, 12...Main boom, 13...Mounting bracket, 14...Bending boom, 15...Hydraulic cylinder, 16...Net handler, 17...Aba suspension winch, 18...Rotary drive source, 19... ...swivel mount, 20
... Hydraulic cylinder, 21 ... Tip fitting, 22,
23... Link bar, 24... Outer case, 25
...Inner case, 26...Hydraulic cylinder, 27
... Tip metal fitting, 28, 29 ... Slide plate, 30
, 31...pin, 32...mounting hole.

Claims

[Scope of Claim for Utility Model Registration] (1) A main boom that is rotatably attached to a rotating mount and rotated by a hydraulic cylinder for prone use;
A bending boom is rotatably attached to the tip of the main boom via a mounting bracket, bends inward parallel to the main boom when stored, and has a hydraulic cylinder for expansion and contraction inside; A marine crane comprising a rotating cylinder that tilts with respect to the main boom. (2) A net sifter driven by a hydraulic power source is suspended from the tip of the refracting boom, and a storage section for the net sifter is provided at the bottom of the main boom, as claimed in claim 1. The listed ship crane.