JPS63100554U - - Google Patents

Description

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

第１図及び第２図は、本考案グラブ浚渫船の実
施例を示し、第１図はその全体側面図、第２図は
主索の系統図を示す。第３図は従来の重錘式グラ
ブ浚渫船の全体側面図を示す。 １……浚渫設、２……船体、４……旋回台、５
……作業台、６……船底開口、７……滑車、８…
…ブーム、９……グラブバケツト、１０……主索
、１１……グラブ昇殊装置、１２……吊金具、１
３……固定滑車、１４……動滑車、１５……重錘
、１６……主索巻取ウインチ、１７……北密壁。 Figures 1 and 2 show an embodiment of the grab dredger of the present invention, with Figure 1 showing its overall side view and Figure 2 showing a system diagram of the main rope. Figure 3 shows an overall side view of a conventional weight type grab dredger. 1... Dredging installation, 2... Hull, 4... Turning platform, 5
...Workbench, 6...Bottom opening, 7...Pulley, 8...
...Boom, 9...Grab bucket, 10...Main rope, 11...Grab lifting device, 12...Hanging fitting, 1
3... Fixed pulley, 14... Movable pulley, 15... Weight, 16... Main cable winding winch, 17... Kitami wall.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] グラブバケツトを有するグラブ浚渫船において
、グラブバケツトをブームの先端部から吊下げる
１本の主索と、主索の他端を巻取る主索巻取ウイ
ンチと、主索の途中に設けられ主索を繰り出し入
れすることによりグラブバケツトの昇降を行なう
グラブ昇降装置と、主索の主索巻取ウインチとグ
ラブ昇降装置との間に設けられた動滑車を介して
昇降自在に吊下げられた重錘とを具えたことを特
徴とするグラブ浚渫船。 In a grab dredger with a grab bucket, there is a main rope that suspends the grab bucket from the tip of the boom, a main rope take-up winch that winds up the other end of the main rope, and a main rope winding winch that is installed in the middle of the main rope to let the main rope in and out. It is equipped with a grab lifting device that raises and lowers the grab bucket by lifting and lowering the grab bucket, and a weight that is suspended so as to be raised and lowered via a movable pulley provided between the main rope winding winch and the grab lifting device. A grab dredger characterized by: