Compliant support frame and installation method of compliant support frame to large floating crane boom

Abstract

The invention discloses a compliant support frame and an installation method of the compliant support frame to a large floating crane boom. The compliant support frame comprises a joist, a spherical hinge device, a support beam, a support frame body and a base, wherein the top of the support frame body is fixedly connected to a whole through a connection beam; the upper surface of the joist is used for supporting the head of the large floating crane boom, the lower surface of the joist is fixedly connected with the spherical hinge device, and the spherical groove seat of the spherical hinge device is welded on the support beam; the base is in a split structure, and comprises an upper base and a lower base which are placed in a stacking manner, a planar slide layer is further arranged between the upper base and the lower base, and capable of compliantly following the large floating crane boom to slightly rotate in various directions along the horizontal plane under the impacts of seawater tides and ocean currents with a hull, so as to protect the various members of the boom from being damaged by the impacts. According to the installation method disclosed by the invention, main installation project amount is carried out on the land instead of the sea; the compliant support frame is low in installation difficulty, high in efficiency, short in period, low in cost, safe, and suitable for all-weather working.

Description

technical field [0001] The invention relates to an auxiliary device for installing a crane on a ship and an installation method for the crane, in particular to a compliant support frame and an installation method for a large floating jib. Background technique [0002] Due to the large size, heavy weight and special operating conditions of large-scale marine engineering equipment, the assembly and maintenance process is very complicated, the disassembly operation cycle is long, and the control is very difficult. [0003] In particular, the jib installation of large-scale floating cranes has a long working cycle, low efficiency, large investment in human, financial and material resources, high cost, and difficult production safety prevention. [0004] In the prior art, during the installation and maintenance of floating cranes, barges are usually used for auxiliary installation, so as to use the barge to sway and sway synchronously with the floating crane in sea water, and min...

AI Technical Summary

Problems solved by technology

[0005] The tonnage of floating cranes is generally much higher than that of barges. Due to periodic ebb and flow, there are large differences in the swing range between the two, passive movement frequency, and movement methods. It is difficult to control and is completely subject to climatic conditions, making it impossible to achieve all-weather operations;

[0006] Moreover, due to the large amount of jib installation work for large floating cranes, the work cycle is generally 2 to 3 months, and the barge used for auxiliary installation will float with the floating crane for 2 to 3 months in the wind, waves and corrosive environment, and the cost is high;

[0007] More importantly, this auxiliary installation equipment, which is always in an unstable or metastable state, cannot be adjusted reasonably and flexibly according to the needs of the installation operation; in some cases, it may even aggravate the installation operation. In particular, for high-altitude construction operations that must be carried out manually and with a huge amount of engineering, similar to wire rope threading and series connections that are always ups and downs, swaying, and high winds, the safety risk factor is very high. high

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