CN112281791B - Underwater energy-consumption damping device with horizontal symmetrical double umbrella covers - Google Patents
Underwater energy-consumption damping device with horizontal symmetrical double umbrella covers Download PDFInfo
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- CN112281791B CN112281791B CN202011316725.3A CN202011316725A CN112281791B CN 112281791 B CN112281791 B CN 112281791B CN 202011316725 A CN202011316725 A CN 202011316725A CN 112281791 B CN112281791 B CN 112281791B
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- damping
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- piston rod
- support rod
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- 238000013016 damping Methods 0.000 title claims abstract description 86
- 238000005265 energy consumption Methods 0.000 title claims abstract description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910000746 Structural steel Inorganic materials 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000010720 hydraulic oil Substances 0.000 claims description 2
- 229920002545 silicone oil Polymers 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention provides an underwater energy consumption damping device with horizontal symmetrical double umbrella covers, which is mainly applied to vibration control of ocean platforms and belongs to the technical field of structural vibration control. The device comprises a piston rod, a damping cylinder body, a cover plate, a piston, damping medium, a hinge device, a support rod fixing device, a support rod and a square blade plate. The energy-consumption damping device is provided with a plurality of energy-consumption systems, when an external structure connected with the energy-consumption damping device horizontally vibrates, the damping cylinder body is fixed, and the piston rod can drive the support rod fixing device to move when moving, so that the support rod is driven to move, the square blade plate is driven by the support rod to scratch in water, and a certain damping force is provided by the reaction force given by the water; in addition, the vibration of the external structure drives 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 invention has good underwater energy consumption capability, and is a flexible and efficient energy consumption damping device.
Description
Technical Field
The invention relates to an underwater energy consumption damping device with horizontal symmetrical double umbrella covers, which is mainly applied to vibration control of a marine platform and belongs to the technical field of structural vibration control.
Background
Ocean platforms are commonly characterized as a large flexible platform structure as follows: 1 the fundamental frequency is low and the low frequency mode is dense; 2 the system vibration has strong coupling and nonlinearity; 3 the architecture is complex and subject to external loads with great uncertainty. For the large flexible structure of the ocean platform, larger vibration response can be generated under the coupling action of wind, wave, current and other dynamic loads, and huge economic loss can be caused by the failure or functional loss of the ocean platform structure.
To date, offshore energy development has been a history of over 100 years, during which time the technology of ocean platforms is being studied. In order to improve the reliability and safety of the platform, vibration isolation designs of foundations and structures and installation of energy-consumption damping devices are generally adopted to reduce vibration hazards of the ocean platform, wherein the installation of the energy-consumption damping devices is a convenient and common damping measure. And how to vibrate the ocean platform structure repeatedly vibrates under the action of external load, the development of a novel efficient and suitable underwater energy consumption damping device is a hot spot subject focused by engineering designers and scientific researchers in the field.
Disclosure of Invention
The invention aims to develop a high-efficiency underwater energy-consumption damping device which is provided with a plurality of energy-consumption systems, mainly realizes energy consumption damping by means of the reaction force given by water when square blade plates of the damping device interact with water and certain viscous damping force provided by the interaction of damping medium and a piston.
The technical scheme of the invention is as follows:
An underwater energy-consumption shock-absorbing device with horizontal symmetrical double umbrella covers comprises a piston rod A1, a piston rod B2, a damping cylinder body 3, a cover plate 4, a piston 5, a damping medium 6, a hinge device A7, a hinge device B8, a hinge device C9, a support rod fixing device 10, a support rod 11 and a square blade plate 12;
The energy-consuming and damping device is symmetrical about the strut fixing device 10, and the symmetrical parts have the same structure; the damping cylinder body 3 is a hollow cuboid, and cover plates 4 are arranged at the left end and the right end of the damping cylinder body; one end of the piston rod A1 is connected with an external structure, and the other end of the piston rod A1 penetrates through the left cover plate 4 to be connected with the piston 5; one end of the piston rod B2 penetrates through the right cover plate 4 to be connected with the piston 5, and the other end of the piston rod B2 is connected with the support rod fixing device 10; the piston rod A1 and the piston rod B2 are respectively connected with two ends of the piston 5; the damping cylinder body 3 is filled with damping medium 6, and the piston 5 is provided with small holes for the damping medium 6 to flow; two hinging devices C9 connected with the square blade plates 12 are respectively arranged on the upper and lower symmetrical side surfaces of the damping cylinder body 3; two hinging devices A7 connected with the supporting rods 11 are respectively arranged on the upper and lower symmetrical side surfaces of the supporting rod fixing device 10; two hinging devices B8 connected with the supporting rods 11 are arranged on the square blade plates 12; the energy-consumption damping device is provided with four supporting rods 11 in total, one end of each supporting rod 11 is connected with the hinging device A7, and the other end of each supporting rod 11 is connected with the hinging device B8; the two side surfaces of the strut fixing device 10, on which the hinge device A7 is arranged, are parallel to the two side surfaces of the damping cylinder body 3, on which the hinge device C9 is arranged, and are the side surfaces on the same side.
The energy-consumption damping device is provided with a plurality of energy-consumption systems, because the damping cylinder body 3 is connected with an external fixed structure and is fixed, the damping cylinder body 3 is fixed, and when a piston rod moves, the damping cylinder body 3 also drives the support rod fixing device 10 to move, so as to drive the support rod 11 to move, the square vane plate 12 is driven by the support rod 11 to scratch in water, and a certain damping force is provided by the reaction force given by the water; in addition, when the external structure connected with the energy-consumption damping device generates horizontal vibration, the piston rod of the device is driven to axially move, and then the piston 5 is driven to slide in the cylinder body 3, so that a certain damping force is generated. Under the combined action of the two damping forces, the device can realize efficient energy consumption and shock absorption effects.
The invention has the beneficial effects that: the invention can adjust the length of the supporting rod 11, the installation position of the hinging device for fixing the supporting rod 11, the length of the damping cylinder body 3 and the size of the square blade plate 12 according to actual conditions to adjust the damping force generated by the blades; the size and distribution of the small holes for the damping medium 6 to flow, which are arranged on the piston 5, can also be adjusted to adjust the viscous damping force provided by the device, so as to realize different energy consumption and shock absorption effects.
Drawings
FIG. 1 is a schematic view of a horizontal cross-section structure of an underwater energy-dissipating damping device with a horizontal symmetrical double umbrella surface according to an embodiment of the present invention;
FIG. 2 is a schematic view of a cross-section A-A of an underwater energy-dissipating and shock-absorbing device with a horizontally symmetrical double umbrella surface according to an embodiment of the present invention;
FIG. 3 is a schematic installation view of an underwater energy-dissipating damping device with a horizontal symmetrical double umbrella surface according to an embodiment of the present invention;
In the figure: the damping device comprises a piston rod A, a piston rod B, a damping cylinder body 3, a cover plate 4, a piston 5, a damping medium 6, a hinge device A7, a hinge device B8, a hinge device C9, a support rod fixing device 10, a support rod 11 and a square blade plate 12.
Detailed Description
In order to make the objects, features and advantages of the present invention more apparent, the following description of the embodiments of the present invention will be given with reference to the accompanying drawings.
The invention provides an underwater energy-consumption damping device with horizontal symmetrical double umbrella covers, which comprises a piston rod A1, a piston rod B2, a damping cylinder body 3, a cover plate 4, a piston 5, a damping medium 6, a hinge device A7, a hinge device B8, a hinge device C9, a support rod fixing device 10, a support rod 11 and a square blade plate 12;
The energy-consuming and damping device is symmetrical about the strut fixing device 10, and the symmetrical parts have the same structure; the damping cylinder body 3 is a hollow cuboid, and cover plates 4 are arranged at the left end and the right end of the damping cylinder body; one end of the piston rod A1 is connected with an external structure, and the other end of the piston rod A1 penetrates through the left cover plate 4 to be connected with the piston 5; one end of the piston rod B2 penetrates through the right cover plate 4 to be connected with the piston 5, and the other end of the piston rod B2 is connected with the support rod fixing device 10; the piston rod A1 and the piston rod B2 are respectively connected with two ends of the piston 5; the damping cylinder body 3 is filled with damping medium 6, and the piston 5 is provided with small holes for the damping medium 6 to flow; two hinging devices C9 connected with the square blade plates 12 are respectively arranged on the upper and lower symmetrical side surfaces of the damping cylinder body 3; two hinging devices A7 connected with the supporting rods 11 are respectively arranged on the upper and lower symmetrical side surfaces of the supporting rod fixing device 10; two hinging devices B8 connected with the supporting rods 11 are arranged on the square blade plates 12; the energy-consumption damping device is provided with four supporting rods 11 in total, one end of each supporting rod 11 is connected with the hinging device A7, and the other end of each supporting rod 11 is connected with the hinging device B8; the two side surfaces of the strut fixing device 10, on which the hinge device A7 is arranged, are parallel to the two side surfaces of the damping cylinder body 3, on which the hinge device C9 is arranged, and are the side surfaces on the same side.
The small holes for the damping medium 6 to flow, which are arranged on the piston 5, are evenly distributed on the piston 5.
The damping medium 6 is silicone oil or hydraulic oil.
The cover plate 4 is provided with a hole channel for the piston rod to pass through.
The piston rod A1, the piston rod B2, the damping cylinder body 3, the cover plate 4, the piston 5, the hinge device A7, the hinge device B8, the hinge device C9, the support rod fixing device 10, the support rod 11 and the square blade plate 12 are all cast by carbon structural steel with high strength.
The damping cylinder body 3 is fixed, and the piston rod moves to drive the support rod fixing device 10 to move so as to drive the support rod 11 to move, and the square blade plate 12 is driven by the support rod 11 to scratch in water, so that a certain damping force is provided by the reaction force given by the water; in addition, because the damping cylinder body 3 is connected with an external fixed structure and is fixed, when the external structure connected with the energy-consumption damping device generates horizontal vibration, the piston rod of the device is driven to axially move, and then the piston 5 is driven to slide in the cylinder body 3 to generate certain viscous damping force. Under the combined action of the two damping forces, the device can realize efficient energy consumption and shock absorption effects.
The last explanation is: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; modifications of the technical solutions described in the foregoing embodiments or equivalent substitutions of some technical features thereof may be still performed by those skilled in the art; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (1)
1. The underwater energy-consumption damping device with the horizontal symmetrical double umbrella covers is characterized by comprising a piston rod A (1), a piston rod B (2), a damping cylinder body (3), a cover plate (4), a piston (5), damping media (6), a hinge device A (7), a hinge device B (8), a hinge device C (9), a support rod fixing device (10), a support rod (11) and a square blade plate (12);
The underwater energy-consumption damping device with the horizontal symmetrical double umbrella covers is symmetrical about the support rod fixing device (10), and symmetrical parts of the underwater energy-consumption damping device have the same structure; the damping cylinder body (3) is a hollow cuboid, and cover plates (4) are arranged at the left end and the right end of the damping cylinder body; one end of the piston rod A (1) is connected with an external structure, and the other end of the piston rod A passes through the left cover plate (4) to be connected with the piston (5); one end of the piston rod B (2) passes through the right cover plate (4) to be connected with the piston (5), and the other end of the piston rod B is connected with the support rod fixing device (10); the piston rod A (1) and the piston rod B (2) are respectively connected with two ends of the piston (5); damping medium (6) is filled in the damping cylinder body (3), and the piston (5) is provided with a small hole for the damping medium (6) to flow; two hinging devices C (9) connected with square blade plates (12) are respectively arranged on the upper and lower symmetrical side surfaces of the damping cylinder body (3); two hinging devices A (7) connected with the supporting rods (11) are respectively arranged on the upper and lower symmetrical side surfaces of the supporting rod fixing device (10); two hinging devices B (8) connected with the supporting rods (11) are arranged on the square blade plates (12); four supporting rods (11) are arranged in total on the underwater energy-consumption damping device with the horizontal symmetrical double umbrella covers, one end of each supporting rod (11) is connected with the hinging device A (7), and the other end of each supporting rod is connected with the hinging device B (8); the two side surfaces of the support rod fixing device (10) provided with the hinge device A (7) are parallel to the two side surfaces of the damping cylinder body (3) provided with the hinge device C (9), and are the side surfaces of the same side; the small holes for the damping medium (6) to flow, which are arranged on the piston (5), are uniformly distributed on the piston (5); the damping medium (6) is silicone oil or hydraulic oil; the cover plate (4) is provided with a pore canal for the piston rod to pass through;
The piston rod A (1), the piston rod B (2), the damping cylinder body (3), the cover plate (4), the piston (5), the hinge device A (7), the hinge device B (8), the hinge device C (9), the support rod fixing device (10), the support rods (11) and the square blade plate (12) are all cast by adopting carbon structural steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011316725.3A CN112281791B (en) | 2020-11-20 | 2020-11-20 | Underwater energy-consumption damping device with horizontal symmetrical double umbrella covers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011316725.3A CN112281791B (en) | 2020-11-20 | 2020-11-20 | Underwater energy-consumption damping device with horizontal symmetrical double umbrella covers |
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| Publication Number | Publication Date |
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| CN112281791A CN112281791A (en) | 2021-01-29 |
| CN112281791B true CN112281791B (en) | 2024-06-14 |
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| CN202011316725.3A Active CN112281791B (en) | 2020-11-20 | 2020-11-20 | Underwater energy-consumption damping device with horizontal symmetrical double umbrella covers |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214061547U (en) * | 2020-11-20 | 2021-08-27 | 大连理工大学 | Underwater energy dissipation and shock absorption device with horizontally symmetrical double umbrella covers |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2605492B2 (en) * | 1991-02-26 | 1997-04-30 | 鹿島建設株式会社 | Active vibration control offshore structure |
| CN100384692C (en) * | 2006-01-27 | 2008-04-30 | 中国海洋大学 | Marine platform and its guard and shock reducing device |
| CN103572853B (en) * | 2012-07-23 | 2015-12-23 | 青岛理工大学 | Ocean platform damping system |
| CN107269760A (en) * | 2017-08-18 | 2017-10-20 | 湖南科技大学 | Pier self-positioning damps rope vibration absorber |
| CN108797310B (en) * | 2018-07-13 | 2020-06-09 | 河海大学 | Bridge high-speed-rate anti-impact wide-frequency-domain vibration isolator |
| CN209414046U (en) * | 2019-01-23 | 2019-09-20 | 湖南科技大学 | Above-water wind generator tower damping rope |
| CN110182326A (en) * | 2019-04-24 | 2019-08-30 | 华中科技大学 | It is a kind of with the semi-submersible type wind-power electricity generation machine platform for subtracting vibration isolation function |
| CN109914372A (en) * | 2019-04-25 | 2019-06-21 | 青岛理工大学 | Self-resetting jacket ocean platform structure system based on built-in swinging column |
| CN111441325B (en) * | 2020-04-08 | 2021-05-18 | 青岛理工大学 | Ocean platform and manufacturing method thereof |
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| CN214061547U (en) * | 2020-11-20 | 2021-08-27 | 大连理工大学 | Underwater energy dissipation and shock absorption device with horizontally symmetrical double umbrella covers |
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