Lifting appliance swing preventing system for crossing type double-trolley quay crane

Abstract

The invention discloses a lifting appliance swing preventing system for a crossing type double-trolley quay crane. The system comprises an upper trolley lifting appliance swing preventing device and a lower trolley lifting appliance swing preventing device. Each of the upper trolley lifting appliance swing preventing device and the lower trolley swing preventing device comprises a bottom frame, a torque motor, a swing preventing winding drum and a swing preventing steel wire rope, wherein each torque motor and the corresponding swing preventing winding drum are in transmission connection, each torque motor and the corresponding swing preventing winding drum are fixedly arranged on the corresponding bottom frame, one end of each swing preventing steel wire rope is wound around the corresponding swing preventing winding drum, and the other end of each swing preventing steel wire rope is fixedly connected with a corresponding lifting appliance. According to the lifting appliance swing preventing system, stable operation of an upper trolley and a lower trolley in the crossing type quay crane can be guaranteed, the shake and the swing of the upper trolley lifting appliance and the lower trolley lifting appliance are effectively reduced, operation of the upper trolley and the lower trolley cannot be affected, and the mutual interference of the upper trolley and the lower trolley is avoided. The swing preventing steel wire ropes in the system do not bear the tension in the normal using process and can effectively operate for a long time, and the lifting appliance swing preventing system is simple in arrangement, stable in operation and low in initial investment and operation maintenance cost.

Description

technical field [0001] The invention relates to the technical field of container loading and unloading equipment in ports and wharves, in particular to a spreader anti-sway system for crossing quay bridges. Background technique [0002] The through-type double-car quayside bridge is a new type of high-efficiency quayside bridge. It uses two upper and lower trolleys to cross the operation and work at the same time. The trolleys do not interfere with each other, which greatly improves the efficiency of container loading and unloading. However, both the upper trolley spreader and the lower trolley spreader in the through-type double trolley quay crane have the problem of swaying and shaking, which affects the operation safety of the quay crane. Among them, the upper trolley is at a high position, the lifting range of the upper trolley spreader is large, and it is also greatly affected by external environmental factors. The upper trolley spreader is more likely to sway and sway...

AI Technical Summary

Problems solved by technology

Although the electronic anti-sway method realizes the control of the swing of the spreader, in practical applications, because the spreader needs to take off and land frequently, and the spreader will generate certain friction during operation, the operating data of the spreader changes frequently, As a result, the operating data of the trolley is adjusted too frequently, which affects the loading and unloading efficiency of the quay crane and the operation of the quay crane driver, and the initial investment and maintenance costs of the control equipment are high, which is not conducive to popularization and use

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