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AssigneePowerChina Huadong Engineering (Shenzhen) Corporation Limited
InventorsQiang LI, Mingyuan WANG, Fabo CHEN, Lihong GAO
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The present invention belongs to the field of offshore construction, and relates to a self-elevating offshore auxiliary pile-pulling platform, comprising a platform vessel system, a counterweight system, and a pile-pulling system, wherein the platform vessel system comprises a hull, a bow, and a stern, pile legs are provided extending through the hull, pile shoes are arranged at bottom ends of the pile legs, a platform attitude monitoring device and a pile leg lifting control device are arranged on the hull, a cabin is provided within the hull, the counterweight system is arranged in the cabin and comprises rails, flatbed carts, counterweights, and a hoisting device, the pile-pulling system comprises a pile-pulling platform module, the pile-pulling platform module is connected to the stern via a hydraulic push-pull device, a pile-pulling mechanism is arranged on the pile-pulling platform module, the pile-pulling mechanism performs pile-pulling operations on a pile foundation, and a pile-pulling cooperative control center is capable of collecting parameters such as upward pulling force and upward pulling speed in real time during a pile-pulling process, and is capable of adjusting a pile-pulling speed of an auxiliary pile-pulling operation so as to keep the pile-pulling speed consistent with a pile-pulling speed of a main offshore self-elevating operation platform, thereby maximizing a pile-pulling effect while ensuring safety of the pile-pulling platform and the operation platform.
A self-elevating offshore auxiliary pile-pulling platform, characterized in that it comprises a platform vessel system, a counterweight system, and a pile-pulling system, wherein the platform vessel system comprises a hull (1), a bow (2), and a stern (3), pile legs (4) are provided extending through the hull (1), pile shoes (5) are arranged at bottom ends of the pile legs (4), a platform attitude monitoring device (6) and a pile leg lifting control device (7) are arranged on the hull (1), a cabin (8) is provided within the hull (1), the counterweight system is arranged in the cabin (8) and comprises rails (11), flatbed carts (12), counterweights (13), and a hoisting device (14), the pile-pulling system comprises a pile-pulling platform module (22), the pile-pulling platform module (22) is connected to the stern (3) via a hydraulic push-pull device (21), a pile-pulling mechanism is arranged on the pile-pulling platform module (22), the pile-pulling mechanism performs pile pulling on a pile foundation (40), and a pile-pulling cooperative control center (33) is further arranged on the hull (1).
A method of use of a self-elevating offshore auxiliary pile-pulling platform, characterized in that the method comprises the following steps:
(30) are controlled to rotate, the left vertical screw rod (27) and the right vertical screw rod (32) are controlled to drive the left movable clamp (23) and the right movable clamp (28) at lower portions thereof to move downward by a certain distance, so as to approach a lower portion of the pile foundation (40);
Dependencies are inferred from the claim text.