Small underwater cable cutting device

A cutting device and small water technology, applied in the field of small underwater cable cutting devices, can solve the problems of complex structure, poor autonomous operability, and high difficulty of operation of underwater cutting devices, and achieve the effects of improved cutting efficiency, convenient operation, and small size
CN109746356AActive Publication Date: 2019-05-14CHINA SHIP SCIENTIFIC RESEARCH CENTER (THE 702 INSTITUTE OF CHINA SHIPBUILDING INDUSTRY CORPORATION)
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA SHIP SCIENTIFIC RESEARCH CENTER (THE 702 INSTITUTE OF CHINA SHIPBUILDING INDUSTRY CORPORATION)
Publication Date
2019-05-14

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Abstract

The invention relates to a small underwater cable cutting device which comprises an oil cylinder barrel, wherein a piston rod is mounted inside the oil cylinder barrel; a movable cutting knife is connected with one end part of the piston rod through a shaft pin and a set screw; a guiding frame is connected with one end of the oil cylinder barrel; after extending out of the guiding frame, the movable cutting knife is matched with a fixed cutting knife to cut off a cable; the fixed cutting knife is mounted on the bottom surface of the guiding frame; two limiting frames are correspondingly mounted on the upper surface of the guiding frame and the lower surface of the fixed cutting knife; one end of the upper limiting frame and that of the lower limiting frame are simultaneously connected witha vertically-mounted gasket; the movable cutting knife and the fixed cutting knife are positioned between the two limiting frame; and the gasket is positioned between the movable cutting knife and the fixed cutting knife. By the adoption of the small underwater cable cutting device provided by the invention, the technical problem that a conventional underwater cutting device is complex in structure, large in weight and occupied space, high in operating difficulty and low in autonomous operability can be solved; the space can be greatly saved; and the underwater cutting efficiency can be improved.
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Description

technical field

[0001] The invention relates to the technical field of underwater cutting devices, in particular to a small underwater cable cutting device. Background technique

[0002] Submersibles are an important tool for underwater operations. They can reach water depths that the human body cannot directly touch, and are used to complete various difficult tasks. It is inevitable that the submersible will fail when operating in water, and there is a risk that it cannot be recovered. If the submersible breaks down, if it cannot float normally, it will discard its own ballast or equipment to obtain positive buoyancy. The equipment on the submersible is often connected to other equipment on the submersible through cables, and the connected cables will affect the jettisoning of the equipment. In order to successfully complete the disposal of the equipment, it is first necessary to cut the interconnecting cables.

[0003] At present, there are three main types of underwate...

Claims

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