Underwater riser assembly trolley and its underwater riser assembly pressure test system
A technology for assembling a trolley and a riser, which is applied in the field of offshore drilling and can solve the problems of slow moving speed and poor synchronization of the trolley
Active Publication Date: 2021-09-10
SHANGHAI SHIPYARD
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- Abstract
- Description
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- Application Information
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is to provide an underwater riser assembly trolley and an underwater riser assembly pressure test system including it in order to overcome the defects of slow moving speed and poor synchronization of the trolley in the prior art
Method used
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Embodiment Construction
[0036] The present invention is further illustrated below by means of examples, but the present invention is not limited to the scope of the examples.
[0037] The underwater riser assembly trolley of this embodiment is as follows: figure 1 As shown, it includes a power unit 1, a transmission, a roller truck 3, a bracket 4 and a track 5, the power unit 1 drives the transmission to rotate, the transmission is connected to the bracket 4, there are four roller trucks 3 and they are located on the track 5 , the bracket 4 connects four roller trucks 3, such as figure 2 As shown, the bottom of the roller truck 3 is provided with a rolling crawler belt 31 and the four corners are provided with guide wheels 32, and the guide wheels 32 are suspended horizontally. In this embodiment, the transmission device simultaneously drives four roller trucks 3 to advance along the track 5, thus ensuring the synchronization of the four roller trucks, and the rolling crawler belts 31 of the roller...
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The invention discloses an underwater riser assembly trolley and an underwater riser assembly pressure test system including the underwater riser assembly trolley. The underwater riser assembly trolley includes a power device, a transmission device, a roller truck, a bracket and The track, the power unit drives the transmission device to rotate, the transmission device is connected to the bracket, there are four roller trucks and they are located on the track, the brackets are connected to four roller trucks, the bottom of the roller truck is provided with rolling tracks and the four corners are provided with guide wheels, The guide wheel is suspended horizontally. The underwater riser assembly trolley of the present invention has fast moving speed and good synchronization, and the underwater riser assembly pressure test system of the present invention can realize the movement of the riser assembly and the pressure test operation of the riser assembly at the same position, The pressure test frame is omitted, which greatly saves space and pressure test procedures, and reduces costs.
Description
technical field [0001] The invention relates to the field of marine drilling, in particular to an underwater riser assembly trolley and an underwater riser assembly pressure test system including the trolley. Background technique [0002] All kinds of large-scale subsea equipment on the drilling ship need to be equipped with special conveying tools. The underwater riser assembly is an indispensable equipment in the process of oil and gas production in offshore drilling, and it is the control center connecting the riser assembly and the blowout preventer. It is used to connect the pipelines and cables on the riser assembly, control the switch of the blowout preventer ram, and has its own blowout prevention function. The underwater riser assembly trolley is a trolley specially used for transporting the underwater riser assembly, and it has the function of translationally moving the underwater riser assembly. [0003] At present, the common trolleys in the offshore market are...
Claims
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IPC IPC(8): B65G35/00G01M13/027
CPCB65G35/00G01M13/027
Inventor 关成刚金余史卫星马永波高辉刘业文张全钢
Owner SHANGHAI SHIPYARD