Stern rotary drum

The technology of a stern drum and a cylinder body is applied in the field of a stern drum of an offshore engineering ship, and achieves the effect of reducing installation accuracy requirements and convenient installation.
CN103010406AInactive Publication Date: 2013-04-03GUANGXIN SHIPBUILDING & HEAVY IND
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
GUANGXIN SHIPBUILDING & HEAVY IND
Publication Date
2013-04-03
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention relates to a stern rotary drum of ships, and in particular to a stern rotary drum, which comprises a shaft body and a drum body arranged on the shaft body through a bearing, wherein the drum body is internally provided with a plurality of horizontal ring-shaped rib plates arranged along the periphery of the shaft body. The stern rotary drum is characterized by also comprising a shaft fork, wherein the shaft body is fixed on the shaft fork. The stern rotary drum is simple in structure, convenient to install, strong in loading capacity and flexible in operation.
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Description

Technical field:

[0001] The invention relates to a stern device of a ship, in particular to a stern drum applied to an ocean engineering ship. Background technique:

[0002] As an important part of marine engineering, marine workboats are responsible for the transportation of manpower and materials and the towing of marine structures for marine engineering. When the marine workboat is towing the marine structure, it is generally driven by the towing winch located in the ship. The wear of the hull, on the other hand, when the cable or anchor chain moves on the stern drum, the stern drum rotates accordingly, similar to a fixed pulley, which can greatly reduce sliding friction and reduce severe wear on the cable or anchor chain due to friction.

[0003] The early stern drum used a single-shell drum with a simple structure. It was welded by plates to form a closed cylindrical cavity, and a ring-shaped stiffener was arranged inside. It was defined as a "radial reinforced" stern...

Claims

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