Novel wire rope type riser tensioner
A riser tensioner and steel wire rope technology, applied in the direction of drill pipe, casing, drilling equipment, etc., can solve the problems of high maintenance cost, high energy consumption, etc., to reduce manufacturing and maintenance costs, save energy consumption, and quickly The effect of the reaction
Inactive Publication Date: 2016-07-20
CHINA UNIV OF PETROLEUM (EAST CHINA)
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Problems solved by technology
[0004] The invention aims to overcome the defects of high manufacturing and maintenance cost and high energy consumption of the existing riser tensioner using a hydraulic mechanism, and provides a device that relies on a mechanical mechanism to ensure the tension of the riser
Method used
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[0013] Below in conjunction with accompanying drawing and example the present invention will be further described:
[0014] Such as Figure 1-Figure 3 As shown, the new type wire rope riser tensioner includes winch frame 1, platform 2, track 3, rope row seat 4, rope row pulley frame 5, guide wheel 6, pulley 7, wire rope 8, outrigger 9, buoyancy Box 10, drum shaft 11, worm screw 12, sprocket gear installation shaft 13, friction plate 14, brake plate 15, brake electromagnet 16, buoyancy box driving gear 17, buoyancy box driven sprocket 18, buoyancy box driven wheel 19. Motor 20, buoyancy box driving screw 21, locking gear 22, locking electromagnet 23, locking gear 24, rope transmission box 25, worm gear 26, chain 27, buoyancy box driving sprocket 28, riser driving screw 29. Riser 30, drum 31; the winch frame 1 is installed on the platform 2, the track 3 is installed on the winch frame 1, and the rope row seat 4 is installed on it, and the rope row pulley frame 5 is installed on...
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The invention relates to a riser tensioner, and particularly relates to a novel wire rope type riser tensioner. The novel wire rope type riser tensioner is characterized by comprising a winch frame, a track, a rope arranging base, a rope arranging pulley yoke, a wire rope, a buoyancy tank, a worm, a friction plate, a brake plate, a brake electromagnet, a buoyancy tank drive screw, a locking gear, a locking electromagnet, a locking gear, a rope arranging transmission box, a worm gear, a chain, a riser drive screw, a riser, a roller and the like, wherein the rope arranging transmission box is arranged on the winch frame and a platform, is driven by a drum shaft and drives the buoyancy tank drive screw and the riser drive screw to rotate; and the worm gear is driven by the worm and drives the drum shaft to drive the roller to rotate. Compared with an existing riser tensioner, the novel wire rope type riser tensioner has the advantages that the safety is improved, the manufacturing cost and the maintenance cost are reduced; the energy consumption is reduced; fast reaction can be carried out; the useful deadweight of the platform is not affected; and moreover, the range for compensating platform fluctuation by the tensioner can be increased by the wire rope.
Description
technical field [0001] The invention relates to a water riser tensioner, in particular to a novel steel wire rope type water riser tensioner. Background technique [0002] The riser system refers to the conduit system connecting the subsea wellhead and the drilling device, including tensioner system, diverter system, flexible joint, telescopic riser, single riser, riser lower assembly, buoyancy equipment, etc. part. There are three main types of riser tensioning systems currently installed on floating drilling platforms: counterweights, wire rope tensioners and hydraulic cylinder direct action (DAT) tensioners. [0003] With the continuous development and improvement of foreign large and super large hydraulic cylinder manufacturing technology, the new platform began to use the tensioner of the hydraulic cylinder direct action (DAT) type. This kind of tensioner can save the wire rope and the corresponding guide accessories, but the cost of production, use and maintenance of...
Claims
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Login to View More IPC IPC(8): E21B19/00
CPCE21B19/002
Inventor 徐方建刘兆庆田旭
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)