High-strength lifting hook for installing mooring chain underwater
A high-strength technology for installation, applied in the field of hooks, can solve problems such as hidden safety hazards and easy slippage of wire ropes, and achieve the effects of long service life, reduced working strength and increased safety factor
Pending Publication Date: 2020-04-10
JIANGSU ASIAN STAR ANCHOR CHAIN
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AI Technical Summary
Problems solved by technology
During installation, it is necessary to lift and lower the installation platform or other auxiliary devices through the engineering ship. The hooks in the prior art will cause the steel wire rope to slip easily, posing a safety hazard; at this time, a special crane that can help the robot operate underwater is needed. The hook completes the scheduled work, hooks up the wire rope at the beginning of the lifting, or releases the hook of the wire rope after completion
Method used
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Embodiment 2
[0020] Embodiment 2, a spring is arranged inside the sleeve, one end of the spring is fixed at the bottom of the sleeve, and the other end is connected to the pull rod through a connecting plate, and a pull ring is arranged at the end of the pull rod, by pressing the pull ring, the telescopic arm is pushed, pressed in place, and the Turn the pull ring 90°, so that the pull ring is stuck in the buckle at the end of the sleeve, and the baffle is locked at this time; turn the pull ring in the opposite direction, the pull ring will come out of the bayonet, and will move to the left under the action of the spring , at this time, the telescopic arm and the baffle are driven to move to the left, and the baffle is in an open state.
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The invention discloses a high-strength lifting hook for installing a mooring chain underwater. The high-strength lifting hook comprises a lifting hook body and a lug seat, and is characterized in that a baffle is arranged below the lug seat, and the baffle is movably connected with the lifting hook body; an arc-shaped extending section is arranged at the tail end of the lifting hook body, and thelower end of the baffle makes contact with the extending section; a baffle adjusting mechanism is arranged on the left side of the lifting hook body; and two armrests are symmetrically arranged on the two sides of the lifting hook body. The high-strength lifting hook has the advantages that the high-strength lifting hook is simple in structure, good in stability, and safe and reliable; and not only is underwater operation of a robot is facilitated, the working intensity of workers is reduced, and manual submersible mounting is not needed, but also the strength is large, the service life is long, and the cost is saved.
Description
technical field [0001] The invention relates to the field of suspension hooks, in particular to a high-strength suspension hook for underwater installation of mooring chains. Background technique [0002] The hooks used for underwater installation of suction anchor mooring chains on deep-sea oil platforms have the technical characteristics of high strength and toughness. The strength of the hooks for underwater installation after heat treatment should reach a safety factor of at least 4 times the lifting weight . [0003] In the mooring devices of deep-sea oil platforms, due to the excessive depth of seawater, it is unrealistic to install the joints of chain links by artificial diving. At this time, it is necessary to use deep-sea robots to install such chain links. During installation, it is necessary to lift and lower the installation platform or other auxiliary devices through the engineering ship. The hooks in the prior art will cause the steel wire rope to slip easily,...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B66C1/36
CPCB66C1/36
Inventor 冯进伟邵云亮董鑫陶良凤陶兴张卫新李剑姚伟
Owner JIANGSU ASIAN STAR ANCHOR CHAIN
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