Horizontal telescopic suspension arm
A technology of telescopic boom and boom, which is applied to davits and other directions, can solve the problems of inability to realize belt speed retraction and boat release, and achieve the effect of improving safety and stability
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[0011] With reference to the accompanying drawings, figure 1 Among them, the worm is driven by the hydraulic motor 4, and the worm drives the turbine to rotate, so that the worm reducer 3 drives the main transmission gear to rotate. When the boom is displayed, the two transmission gears move at the same time, the small main transmission gear 7 rotates, thereby driving the small stroke rack 8 to move, and the mobile frame 2 moves, and at the same time, the large main transmission gear 6 rotates, thereby driving the large stroke rack 9 moves, thus drives the telescopic boom 1 to move, and the movement stroke of the large gear is twice that of the small gear, thereby realizing the large-stroke extension of the boom.
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