Telescopic folding type material conveying device and transport ship

Abstract

The invention discloses a telescopic folding type material conveying device and a transport ship. The conveying device comprises a portal frame seat, a conveying frame seat, a portal frame hinged to the portal frame seat and a conveying arm hinged to the conveying frame seat; a turnover mechanism for driving the portal frame to turn over towards the inner side is arranged on the inner side of the portal frame seat, and the conveying arm comprises a main arm and multiple stages of telescopic arms; retracting-stretching mechanisms for driving the main arm and the multiple stages of telescopic arms to get close to or be separated from the portal frame are arranged between the portal frame and the main arm and between the portal frame and the multiple stages of telescopic arms; and an arm rest telescopic mechanism for driving the multiple stages of telescopic arms to stretch out or retract back is arranged on the main arm. By means of the telescopic folding type material conveying device, the transport ship can pass through bridge openings in any shape, the safety performance is good, and space occupied by the folded portal frame and the folded conveying arm is small.

Description

technical field [0001] The invention relates to a telescopic and folding material conveying device and a transport ship, in particular to a sand and gravel conveying device including the functions of telescopic, flipping, luffing and conveying. Background technique [0002] There are two types of jib structures for self-unloading sand carriers: one is the integral jib form with fixed length, and the jib is turned over to the working angle of 0-20° in the operating state; the second is the folding arm jib, which is The whole body is flipped to the bow, and the jib does not protrude from the bow. [0003] For the first type of jib, the length of the jib is fixed, the position of the center of gravity is high during the flipping process, and the stability is not good. Once encountering strong wind or big water waves, it is easy to cause a rollover accident of the hull, and the bow jib after the flip is recovered If the height is too high, it will affect the sight of the boat a...

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the shortcomings of the existing fixed conveying arm, such as high center of gravity, poor stability, complex operation, poor rigidity, and prone to longitudinal vibration of the folding arm structure, the present invention aims to provide a telescopic and folding material conveying device and transportation For ships, the material conveying device has the functions of telescopic, turning, luffing, and conveying, and can pass through any form of bridge hole, with good safety performance, and the gantry and conveying arm occupy a small space after folding

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