Underwater energy dissipation and seismic mitigation device with double umbrella surfaces symmetrical in horizontal direction

A shock absorbing device, horizontal technology, applied in underwater structures, shockproof, hydraulic engineering, etc., can solve problems such as large vibration response, economic loss of offshore platform structures, etc.

Pending Publication Date: 2021-01-29
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For large flexible structures such as offshore platforms, large vibration responses may be generated under the coupling of dynamic loads such as wind, waves, and currents, and the failure or loss of functions of the offshore platform structure will cause huge economic losses.

Method used

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  • Underwater energy dissipation and seismic mitigation device with double umbrella surfaces symmetrical in horizontal direction
  • Underwater energy dissipation and seismic mitigation device with double umbrella surfaces symmetrical in horizontal direction
  • Underwater energy dissipation and seismic mitigation device with double umbrella surfaces symmetrical in horizontal direction

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Embodiment Construction

[0015] In order to make the purpose, features, and advantages of the present invention more clear, the technical solutions in the embodiments of the present invention will be described below in conjunction with the drawings in the embodiments of the present invention.

[0016] The present invention provides an underwater energy-dissipating shock-absorbing device with horizontally symmetrical double umbrella surfaces, comprising a piston rod A1, a piston rod B2, a damping cylinder 3, a cover plate 4, a piston 5, a damping medium 6, and a hinged device A7 , hinged device B8, hinged device C9, pole fixing device 10, pole 11 and square blade plate 12;

[0017] The energy-dissipating shock-absorbing device is symmetrical about the rod fixing device 10, and its symmetrical part has the same structure; the damping cylinder 3 is a hollow cuboid, and cover plates 4 are arranged at its left and right ends; one end of the piston rod A1 is connected to External structure, the other end is...

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Abstract

The invention provides an underwater energy dissipation and seismic mitigation device with double umbrella surfaces symmetrical in the horizontal direction, and belongs to the technical field of structural vibration control. The underwater energy dissipation and seismic mitigation device is mainly applied to vibration control of an ocean platform. The underwater energy dissipation and seismic mitigation device comprises a piston rod, a damping cylinder body, a cover plate, a piston, a damping medium, a hinge device, a strut fixing device, a strut and a square blade plate. The energy dissipation and seismic mitigation device is provided with a plurality of energy dissipation systems, when an external structure connected with the energy dissipation and seismic mitigation device vibrates horizontally, the damping cylinder body is fixed, so that when the piston rod moves, the strut fixing device is driven to move, so that the strut is driven to move, the square blade plate is driven by thestrut to slide in water, and certain damping force is provided through counter-acting force provided by the water. In addition, the external structure vibrates to drive the piston rod of the device to axially move, so that the piston is driven to slide in the cylinder body, and viscous damping force is generated. The underwater energy dissipation and seismic mitigation device has good underwaterenergy dissipation capacity, and is flexible and efficient.

Description

technical field [0001] The invention relates to an underwater energy-dissipating shock-absorbing device with horizontally symmetrical double umbrella surfaces, which is mainly used in the vibration control of ocean platforms and belongs to the technical field of structural vibration control. Background technique [0002] At present, with the rapid development of the global economy and the rapid expansion of the world's population, people's demand for energy is also increasing. In order to adapt to social and economic development and people's demand for energy, all countries in the world have turned their attention to the ocean for energy development. The development of marine resources is inseparable from the construction of marine platforms. Due to the harsh working environment at sea, they are often affected by various disasters such as wind, waves, tidal currents, and earthquakes. Therefore, establishing a stable offshore working platform is the basis for marine resource ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B17/00E04B1/98
CPCE02B17/00
Inventor 李超刁钰城李宏男张健杨礼东
Owner DALIAN UNIV OF TECH
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