Bulwark ladder able to lift or fall with tidal level

An automatic lifting and gangway technology, which is applied to ships, cargo handling equipment, passenger processing equipment, etc., can solve the problem of waste of human resources and achieve the effects of strong anti-interference, saving manpower and financial resources, and low price

Inactive Publication Date: 2007-03-21
SHANGHAI JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the existing gangways rely on manpower to manually operate the positive and negative rotation of the gangway winch to achieve the purpose of controlling the ups and downs of the gangway. If there is a special gangway, there must be a special person responsible for the gangway lifting, which causes a waste of human resources

Method used

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  • Bulwark ladder able to lift or fall with tidal level
  • Bulwark ladder able to lift or fall with tidal level

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Experimental program
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Embodiment Construction

[0010] The specific implementation of the present invention will be further described below in conjunction with the accompanying drawings.

[0011] As shown in Figure 1 and Figure 2, the present invention mainly includes: steel wire rope 2, gangway 3, hoist 4, hinge 5, rising trigger photoelectric sensor 6, falling trigger photoelectric sensor 7, power supply system 8, motor 9, selection circuit 10 , manual control system 11, 8031 ​​automatic control system 12.

[0012] The fixed end of the gangway 3 is connected to the hull through a hinge 5, and the free end is connected to one end of the wire rope 2, and the other end of the wire rope 2 is wound on the hoist 4, so that when the hoist 4 rotates forward, the wire rope 2 is tightened, and the free end of the gangway 3 rises. Hoist 4 reverses, loosen wire rope 2, and gangway 3 free ends descend. The rising trigger photoelectric sensor 6 and the falling trigger photoelectric sensor 7 are installed on both sides of the free end ...

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PUM

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Abstract

The invention is a kind of sea level automatic elevation type sea-steps which mainly includes: steel cable, sea-steps, lifting machine, iron hinges, elevation evokes the photoelectricity sensor, electricity supplying system, electric motor, selecting circuit, manual control system, 8031 automatic control system. The two photoelectricity sensors are set at two sides of the sea-steps free end, when the sea level changes, the electric signal outputted by the two photoelectricity sensors, the 8031 automatic system monitors the signal change of the two photoelectricity sensors, through programming, it control the rotation of the lifting machine. The 8031 system structure is simple, the disturbance resisting performance is strong, and the price is low.

Description

technical field [0001] The invention relates to an ascending and descending gangway, in particular to a tide-level automatic ascending and descending gangway adopting photoelectric sensor switch control circuit technology, which belongs to the technical field of marine equipment automatic control. Background technique [0002] In the existing ship gangway, one end is fixed on the ship's side as a fixed end, and the other end is dropped on the ground as a free end. The ship will change with the change of the tide level. At this time, the fixed end will also change accordingly. If the angle of inclination between the gangway and the ground remains constant, the following two situations will inevitably occur: When the tide falls, the fixed end will fall. If the inclination angle remains unchanged, the free end will descend parallel to the fixed end, and the gangway and the ground will squeeze each other, causing damage to the gangway; when the tide rises, the fixed end will ris...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B63B27/14
Inventor 聂鹏瑜马捷戴斌
Owner SHANGHAI JIAOTONG UNIV
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