CN214423329U - Novel underwater energy dissipation and vibration reduction device comprising retractable wing plates - Google Patents
Novel underwater energy dissipation and vibration reduction device comprising retractable wing plates Download PDFInfo
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- CN214423329U CN214423329U CN202023104263.7U CN202023104263U CN214423329U CN 214423329 U CN214423329 U CN 214423329U CN 202023104263 U CN202023104263 U CN 202023104263U CN 214423329 U CN214423329 U CN 214423329U
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Abstract
The utility model provides a contain novel energy consumption vibration damper under water of retractable type pterygoid lamina belongs to ocean floating structure vibration control field. The energy dissipation and vibration reduction device comprises a main rod shaft, a wedge-shaped block, a roller, a support rod, a connecting shaft, a spring, an outer cylinder, a guide hole channel, a wing plate, a cover plate and a bottom floating plate. The bottom floating plate of the device keeps the position of the outer cylinder basically unchanged, and the support rod and the roller are always kept horizontal under the action of the guide pore channel; when the upper floating structure connected with the upper floating structure generates vertical vibration, the main rod shaft and the wedge block are driven to generate vertical motion, so that the roller rolls along the inclined surface of the wedge block, and finally the wing plate connected with the support rod performs retraction and release motion in water under the action of the support rod and the spring, and the vibration reduction and energy consumption are realized through the counterforce given by the water. The utility model discloses novel structure is applicable to novel floating ocean structure, and its power consumption efficiency can carry out nimble adjustment through changing the wedge inclined plane slope according to the design demand, has good application prospect.
Description
Technical Field
The utility model relates to a contain novel energy consumption vibration damper under water of retractable type pterygoid lamina mainly is applied to the vibration control of ocean platform, belongs to structural vibration control technical field.
Background
With the rapid development of the world economy, the demand of human beings on oil and gas energy is also increasing; the ocean has wide area and rich resources, and if the ocean can be reasonably developed, the problem of the requirement of human beings on energy can be greatly solved. At present, the exploration and development of marine resources by human beings extend from shallow sea to deep sea, and the environment for exploiting the marine resources in deep sea is more complex; how to establish a stable and safe ocean platform is the first problem that people need to solve when exploiting deep sea resources. The deep sea is greatly different from the offshore platform which is generally a traditional fixed type offshore platform, and the deep sea is generally a floating type offshore platform.
The floating ocean platform structure is characterized in that a platform structure floating in seawater is anchored on the seabed through guys or anchor chains, and the structure is suitable for the sea area with deep water depth. At present, the research on floating ocean platforms in academic circles is not as comprehensive as that of the conventional ocean platform, but the natural environment of the floating ocean platform in service in deep sea environment is still worse. In the life cycle of the deep-sea floating ocean platform, the deep-sea floating ocean platform is inevitably damaged or even destroyed by natural disasters such as wind, wave, stream and earthquake, and huge life and property losses are caused. Therefore, the research on how to reduce the vibration of the floating ocean platform structure under the action of disasters becomes a hot problem which is concerned by researchers.
At present, the methods for improving the disaster resistance of the structure, which are generally recognized by academia and engineering, mainly include two methods: one is to improve the disaster resistance and reduce the vibration of the structure under the action of dynamic disasters from the design of the structure; one is to control the vibration of the structure by arranging an external dissipative vibration damping device. The structural disaster-resistant design related to the first method is developed more mature, and the second structural vibration control method is simpler, more convenient and more efficient and has wide application prospects. However, at present, research and development work of an energy dissipation and vibration reduction device of a novel structural system, namely a deep-sea floating ocean platform, is still in a starting stage, and how to provide a safe and efficient energy dissipation and vibration reduction device of a deep-sea floating ocean platform structure is a problem that needs to be solved urgently by a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at researching and developing a contain novel underwater energy consumption damping device of retractable type pterygoid lamina, this energy consumption damping device mainly relies on the pterygoid lamina when taking place the receive and release motion in aqueous, and the reaction force that water gave realizes the damping power consumption, is a novel structure's underwater energy consumption damping device.
The technical scheme of the utility model:
a novel underwater energy dissipation and vibration reduction device comprising retractable wing plates comprises a main rod shaft 1, wedge-shaped blocks 2, rollers 3, support rods 4, a connecting shaft 5, springs 6, an outer cylinder 7, a guide hole 8, wing plates 9, a cover plate 10 and a bottom floating plate 11;
the main rod shaft 1 of the novel underwater energy dissipation and vibration reduction device is a cuboid rod shaft, and wedge blocks 2 are arranged in the middle of four surfaces of the main rod shaft; the wedge-shaped block 2 is rough in surface and fixedly connected with the main rod shaft 1; the roller 3 is connected with the support rod 4 in series through a connecting shaft 5, and the rolling surface of the roller 3 is a rough surface; the roller 3 is placed in the middle of the inclined surface of the wedge block 2 and is in close contact with the wedge plate 2; the outer cylinder 7 is a hollow cylinder, four guide pore channels 8 are arranged on the side surface of the outer cylinder 7, and the arrangement positions of the guide pore channels 8 correspond to the positions of the support rods 4 extending out of the outer cylinder 7; the supporting rod 4 penetrates through a guide pore channel 8 arranged on the outer cylinder 7 and extends out of the outer cylinder, and a wing plate 9 is arranged at the tail end of the supporting rod 4, wherein the supporting rod 4 is always kept horizontal under the action of the guide pore channel 8; the support rod 4 is connected to the central position of the wing plate 9, and the support rod 4 is fixedly connected with the wing plate 9; the cover plates 10 are respectively arranged at the upper end and the lower end of the outer cylinder 7 and are respectively fixedly connected with the outer cylinder 7, and the cover plates 10 are provided with holes for the main rod shaft 1 to pass through; the spring 6 is horizontally arranged between the connecting shaft 5 and the outer cylinder 7, one end of the spring is connected with the connecting shaft 5, the other end of the spring is connected with the inner wall of the outer cylinder 7, and the spring 6 mainly has the function that when the wedge-shaped block 2 moves downwards, the roller 3 is always in close contact with the inclined surface of the wedge-shaped plate 2 through the elastic force provided by the spring 6; when the wedge-shaped plate 2 is installed, the short edge is arranged above, and the long edge is arranged below; the connecting shaft 5 is long, a bulge is arranged in the middle position behind the roller 3 and the support rod 4 which are connected in series, the roller 3 and the support rod 4 are prevented from sliding on the connecting shaft 5, two ends of the connecting shaft 5 extend, and the tail end of the connecting shaft is connected with a spring 6; the bottom floating plate 11 is fixedly connected with the bottom of the outer cylinder 7, and can ensure that the outer cylinder 7 is always in a floating state and the position is basically unchanged, so that the whole device can achieve expected energy consumption effect when the upper floating ocean platform moves up and down.
The utility model has the advantages that: when the device is used for carrying out retraction and release movement in water by depending on wing plates, the device realizes vibration reduction and energy consumption by the counterforce given by the water when the wing plates are retracted and released, and has stable and efficient energy consumption capability; just the utility model discloses can realize different power consumption effects according to the size of actual conditions adjustment wedge's inclined plane slope. The larger the slope of the inclined plane of the wedge-shaped block is, namely the larger tan theta is, the larger the retraction amplitude of the wing plate in water caused by the up-and-down movement of the main rod shaft is; therefore, if the energy consumption efficiency of the device is improved, the slope of the inclined plane of the wedge-shaped block can be increased.
Drawings
Fig. 1 is a schematic top view cross-sectional structural diagram of a novel underwater energy dissipation and vibration reduction device including retractable wing plates according to an embodiment of the present invention;
fig. 2 is a schematic view of a cross-sectional structure a-a of a novel underwater energy dissipation and vibration reduction device including retractable wing plates according to an embodiment of the present invention;
fig. 3 is an installation schematic view of a novel underwater energy dissipation and vibration reduction device including retractable wing plates according to an embodiment of the present invention;
in the figure: the device comprises a main rod shaft 1, a wedge-shaped block 2, rollers 3, a support rod 4, a connecting shaft 5, a spring 6, an outer cylinder 7, a guide pore channel 8, a wing plate 9, a cover plate 10 and a bottom floating plate 11.
Detailed Description
For making the utility model discloses a utility model purpose, characteristic, advantage can be more clear, will combine below in the embodiment of the utility model the drawing, to the technical scheme in the embodiment of the utility model provides an add the description.
As shown in the figures, the utility model provides a novel underwater energy dissipation and vibration reduction device comprising a retractable wing plate, which comprises a main rod shaft 1, a wedge block 2, a roller 3, a support rod 4, a connecting shaft 5, a spring 6, an outer cylinder 7, a guide pore channel 8, a wing plate 9, a cover plate 10 and a bottom floating plate 11; the main rod shaft 1 of the energy dissipation and vibration reduction device is a cuboid rod shaft, and wedge blocks 2 are arranged in the middle of four surfaces of the main rod shaft; the wedge-shaped block 2 is rough in surface and fixedly connected with the main rod shaft 1; the roller 3 is connected with the support rod 4 in series through a connecting shaft 5, and the rolling surface of the roller 3 is a rough surface; the roller 3 is placed in the middle of the inclined surface of the wedge block 2 and is in close contact with the wedge plate 2; the outer cylinder 7 is in a hollow cylinder shape, four guide pore channels 8 are arranged on the side surface of the outer cylinder 7, and the arrangement positions of the guide pore channels 8 correspond to the positions of the support rods 4 extending out of the outer cylinder 7; the supporting rod 4 penetrates through a guide pore channel 8 arranged on the outer cylinder 7 and extends out of the outer cylinder, and a wing plate 9 is arranged at the tail end of the supporting rod 4, wherein the supporting rod 4 is always kept horizontal under the action of the guide pore channel 8; the support rod 4 is connected to the central position of the wing plate 9, and the support rod 4 is fixedly connected with the wing plate 9; the cover plates 10 are respectively arranged at the upper end and the lower end of the outer cylinder 7 and are respectively fixedly connected with the outer cylinder 7, and the cover plates 10 are provided with holes for the main rod shaft 1 to pass through; the spring 6 is horizontally arranged between the connecting shaft 5 and the outer barrel 7, one end of the spring is connected with the connecting shaft, the other end of the spring is connected with the inner wall of the outer barrel, and the spring 6 mainly has the effect that when the wedge-shaped block 2 moves downwards, the roller 3 can be always in close contact with the inclined surface of the wedge-shaped plate 2 due to the elastic force of the spring 6. When the wedge-shaped plate 2 is installed, the short edge is arranged above, and the long edge is arranged below; the connecting shaft 5 is long, a bulge is arranged in the middle position behind the roller 3 and the support rod 4 which are connected in series, the roller 3 and the support rod 4 are prevented from sliding on the connecting shaft, then the two ends of the connecting shaft extend, and the tail end of the connecting shaft is connected with a spring 6; the bottom floating plate 11 is fixedly connected with the bottom of the outer barrel 7, and can ensure that the outer barrel is always in a floating state and the position is basically unchanged, so that the whole device can realize the expected energy consumption effect.
The energy dissipation vibration damper has good energy dissipation performance, when an external structure connected with the energy dissipation vibration damper generates vertical vibration, the main rod shaft 1 and the wedge block 2 are driven to generate vertical motion, the outer cylinder 7 is fixed, the support rod 4 and the roller 3 are always kept horizontal and the vertical position of the support rod 4 and the roller 3 is not changed under the action of the guide hole channel 8, therefore, when the structure vibrates, the roller 3 rolls along the inclined surface of the wedge block 2, the support rod 4 is driven to generate horizontal axial motion, the wing plates 9 connected with the support rod 4 under the action of the support rod 4 and the spring 6 are also subjected to retraction and release motion in water, and in the retraction and release motion of the wing plates 9, the reactive force given by water is used for realizing energy dissipation vibration damping. Assuming that the inclination angle of the wedge 2 is theta, the distance when the main shaft 1 moves up or down is d1The four-way wing 9 is moved outwardly or inwardly by a distance d2＝d1tanθ。
Finally, the description is as follows: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; the technical solutions described in the foregoing embodiments can be modified by those skilled in the art, or some technical features of the embodiments can be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (1)
1. A novel underwater energy dissipation and vibration reduction device comprising retractable wing plates is characterized by comprising a main rod shaft (1), wedge blocks (2), rollers (3), support rods (4), a connecting shaft (5), springs (6), an outer cylinder (7), a guide hole channel (8), wing plates (9), a cover plate (10) and a bottom floating plate (11);
the main rod shaft (1) of the novel underwater energy dissipation and vibration reduction device is a cuboid rod shaft, and wedge blocks (2) are arranged in the middles of four surfaces of the main rod shaft; the wedge-shaped block (2) is rough in surface and fixedly connected with the main rod shaft (1); the roller (3) is connected with the support rod (4) in series through a connecting shaft (5), and the rolling surface of the roller (3) is a rough surface; the roller (3) is placed in the middle of the inclined plane of the wedge-shaped block (2) and is connected with the wedge-shaped block(2) Close contact; the outer cylinder (7) is a hollow cylinder, four guide pore channels (8) are arranged on the side surface of the outer cylinder (7), and the arrangement positions of the guide pore channels (8) correspond to the positions of the support rods (4) extending out of the outer cylinder (7); the supporting rod (4) penetrates through a guide pore channel (8) arranged on the outer cylinder (7) and extends out of the outer cylinder, and a wing plate (9) is arranged at the tail end of the supporting rod (4), wherein the supporting rod (4) is always kept horizontal under the action of the guide pore channel (8); the support rod (4) is connected to the central position of the wing plate (9), and the support rod (4) is fixedly connected with the wing plate (9); the cover plates (10) are respectively arranged at the upper end and the lower end of the outer cylinder (7) and are respectively fixedly connected with the outer cylinder (7), and the cover plates (10) are provided with holes for the main rod shaft (1) to pass through; the spring (6) is horizontally arranged between the connecting shaft (5) and the outer cylinder (7), one end of the spring is connected with the connecting shaft (5), the other end of the spring is connected to the inner wall of the outer cylinder (7), and the spring (6) has the main function that when the wedge-shaped block (2) moves downwards, the roller (3) is always in close contact with the inclined surface of the wedge-shaped block (2) through the elastic force provided by the spring (6); when the wedge-shaped block (2) is installed, the short side is arranged above, and the long side is arranged below; the connecting shaft (5) is longer, a bulge is arranged in the middle position behind the roller (3) and the supporting rod (4) which are connected in series, the roller (3) and the supporting rod (4) are prevented from sliding on the connecting shaft (5), two ends of the connecting shaft (5) extend, and the tail end of the connecting shaft is connected with a spring (6); the bottom floating plate (11) is fixedly connected with the bottom of the outer cylinder (7), and can ensure that the outer cylinder (7) is always in a floating state and the position is basically unchanged, so that the whole device can realize the expected energy consumption effect when the upper floating ocean platform moves up and down; assuming that the inclination angle of the wedge block (2) is theta, when the main shaft (1) moves upwards or downwards, the distance is d1When the wing plates (9) in four directions move outwards or inwards by a distance d2＝d1tanθ。
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023104263.7U CN214423329U (en) | 2020-12-22 | 2020-12-22 | Novel underwater energy dissipation and vibration reduction device comprising retractable wing plates |
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| CN202023104263.7U CN214423329U (en) | 2020-12-22 | 2020-12-22 | Novel underwater energy dissipation and vibration reduction device comprising retractable wing plates |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609658A (en) * | 2020-12-22 | 2021-04-06 | 大连理工大学 | Novel underwater energy dissipation and vibration reduction device comprising retractable wing plates |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609658A (en) * | 2020-12-22 | 2021-04-06 | 大连理工大学 | Novel underwater energy dissipation and vibration reduction device comprising retractable wing plates |
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