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A technology of reinforced plastics and coiled tubes, applied in the directions of strength characteristics, measuring devices, analytical materials, etc., can solve the problem of no special testing equipment, etc., and achieve the effect of saving test costs, saving laboratory space, and reducing friction.
Pending Publication Date: 2020-08-07
BC P INC CHINA NAT PETROLEUM CORP +1
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Problems solved by technology
[0005] The purpose of the present invention is to solve the problem in the prior art that there is no special detection equipment and detection method for the detection of the coiling performance of the reinforced plastic composite continuous pipe, and provide a kind of testing machine and detection method for the coiling performance detection of the reinforced plastic composite continuous pipe
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Embodiment 1
[0043] The coil performance test is carried out with polyester fiber reinforced polyethylene plastic composite continuous pipe with a specification of DN90mm and PN16MPa to determine the minimum coil size.
[0044] Step 1, adjust the position of all the rollers 14 in the first coiling device 7, so that the distance L between all the rollers 14 and the center of the circle of the first coiling device 7 after adjustment 1 Equal, L 1 =1500mm, and fixed roller 14.
[0045] Step 2, adjust the position of all the rollers 14 in the second coiling device 8, so that the distance L between all the rollers 14 and the center of the circle of the second coiling device 8 after adjustment 2 equal, and L 2 =L 1 =1500mm, and fixed roller 14.
[0046] Step 3, fix the two ends of a DN90mm PN16MPa polyester fiber reinforced polyethylene plastic composite continuous pipe sample 1 through the fixing ring 6 and the moving slider on the sample joint guide rail 4, and determine the coil size of th...
Embodiment 2
[0052] Aramid fiber reinforced cross-linked polyethylene downhole flexible composite coiled tubing with a specification of DN50mm and PN25MPa was used to conduct a coil performance test to verify whether the minimum coil size is 1200mm.
[0053] Step 1, adjust the position of all the rollers 14 in the first coiling device 7, so that the distance L between all the rollers 14 and the center of the circle of the first coiling device 7 after adjustment 1 Equal, L 1 =600mm, and fixed roller 14.
[0054] Step 2, adjust the position of all the rollers 14 in the second coiling device 8, so that the distance L between all the rollers 14 and the center of the circle of the second coiling device 8 after adjustment 2 equal, and L 2 =L 1 =600mm, and fixed roller 14.
[0055] Step 3, fix the two ends of an aramid fiber-reinforced cross-linked polyethylene downhole flexible composite continuous pipe sample 1 with a specification of DN50mm PN25MPa through the fixed ring 6 and the moving s...
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Abstract
The invention discloses a reinforced plastic composite coiled tubing coiling performance detection testing machine and a detection method. The testing machine comprises a sliding vehicle, a track, sample joint guide rails and a traction system, the upper half portion of the sliding trolley is a first coiling device, the lower half portion of the sliding trolley is a second coiling device, and thefirst coiling device and the second coiling device are each provided with a plurality of roller track frames. The number of the sample joint guide rails is two, the sample joint guide rails are vertically arranged above supports on the two sides of the sliding trolley respectively, a reinforced plastic composite coiled tubing sample is installed on the sample joint guide rails in a sliding mode and slides on the sample joint guide rails in cooperation with the reinforced plastic composite coiled tubing sample through sliding of the sliding trolley, and the sample is coiled on the first coilingdevice or the second coiling device. According to the testing machine and the detection method provided by the invention, the field working condition can be simulated; moreover, the testing machine is simple and convenient to operate and high in test efficiency, can form any size to simulate different disc pipe frame scrolls, can replace a large number of existing disc pipe frame real objects, saves the test cost and laboratory space, and is easy to evaluate the coiling performance of the reinforced plastic composite continuous pipe.
Description
technical field [0001] The invention belongs to the technical field of inspection and testing of reinforced plastic composite coiled pipes, and in particular relates to a coil performance testing machine and a detection method of reinforced plastic composite coiled pipes. Background technique [0002] Non-metallic pipelines have excellent corrosion resistance and have become an important solution for the corrosion protection of oil and gas field gathering and transportation pipelines. Non-metallic pipes widely used in oil and gas fields mainly include glass steel pipes, flexible composite pipes, steel skeleton composite pipes, plastic alloy composite pipes and other types of non-metallic composite pipes. Reinforced plastic composite continuous pipe is a widely used flexible composite pipe with good flexibility and convenient construction and installation performance. Among them, the coilable reinforced plastic composite coiled pipe has better flexibility and can be wound on...
Claims
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Application Information
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