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Bridge air adjusting device and control method

A technology of air conditioning and control methods, which is applied to earth movers/shovels, mechanically driven excavators/dredgers, construction, etc., and can solve problems such as increased unsafe factors, damage to the winch system, and large consumption. Achieve the effect of improving control flexibility and work adaptability, reducing energy consumption and equipment loss, and reducing the pull load of the winch

Active Publication Date: 2019-02-12
GUANGZHOU WENCHONG SHIPYARD CO LTD
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  • Abstract
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Problems solved by technology

[0003] On the one hand, the winches that drive the bridge up and down consume a lot of energy. On the other hand, the consumption of compressed air for the watertightness of the underwater motor room is also very large. The long-term operation of the cutter suction dredger not only consumes and wastes A large amount of energy, while causing damage to the winch system, increasing the unsafe factor

Method used

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  • Bridge air adjusting device and control method

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Embodiment Construction

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0026] In the present invention, unless otherwise specified and limited, terms such as "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be an internal communication between two elements or an interacti...

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Abstract

The invention discloses a bridge air adjusting device. The device comprises a bridge, a first adjusting cabin, a second adjusting cabin and a pipeline, one end of the bridge is a rotating end, the other end of the bridge is a swinging end, the first adjusting cabin is arranged on the swinging end, the first adjusting cabin is provided with a first cavity, the second adjusting cabin is located on one side, close to the rotating end, of the first adjusting cabin, the second adjusting cabin is provided with a second cavity, the first adjusting cabin is provided with a through hole, the pipeline communicates the first cavity and the second cavity, when the bridge is descended, seawater flows into the first adjusting cabin through the through hole, internal air is pressed into the second cavitythrough the pipeline, and obstruction of air buoyancy is reduced; and when the bridge is lifted, compressed air in the second cavity in the second adjusting cabin is released into the first cavity soas to form auxiliary upward buoyancy force for lifting of the bridge, and the traction load of a bridge motor is reduced. In addition, the invention further discloses a bridge air adjusting control method.

Description

technical field [0001] The invention relates to the technical field of ships, in particular to a bridge air conditioning device and a control method. Background technique [0002] On the traditional cutter suction dredger, due to the relatively large size, weight and inertia of the cutter bridge, when the bridge is lifted and lowered or when the cutter suction dredger performs dredging operations, the traditional cutter suction dredger The reamer bridge is operated mainly by the pulling force of the bridge lifting winch, and the driving motor of the reamer and the submerged pump is located in an underwater closed compartment, which needs to be protected by watertight protection. [0003] On the one hand, the winches that drive the bridge up and down consume a lot of energy. On the other hand, the consumption of compressed air for the watertightness of the underwater motor room is also very large. The accumulated long-term operation of the cutter suction dredger not only cons...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02F3/88E02F3/90
CPCE02F3/885E02F3/90E02F3/907
Inventor 向功顺刘英策黄睿张雷王东凯段金明袁瑞军李迈新
Owner GUANGZHOU WENCHONG SHIPYARD CO LTD
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