CN218292011U - Shock attenuation energy absorber based on pile group basis - Google Patents
Shock attenuation energy absorber based on pile group basis Download PDFInfo
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- CN218292011U CN218292011U CN202222188770.6U CN202222188770U CN218292011U CN 218292011 U CN218292011 U CN 218292011U CN 202222188770 U CN202222188770 U CN 202222188770U CN 218292011 U CN218292011 U CN 218292011U
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Abstract
The utility model discloses a shock absorption and energy dissipation device based on a group pile foundation, which comprises a plurality of viscous damping devices horizontally arranged between each adjacent pile, wherein each viscous damping device is provided with a closed cavity filled with viscous liquid, and two clapboards provided with a plurality of through holes are vertically arranged in the closed cavity; one side of each partition board facing the side wall of the closed cavity is provided with a long rod, one end of each long rod is connected with the partition board, and the other end of each long rod penetrates through the side wall of the closed cavity to be connected with the pile; when the earthquake happens, the vibration of the pile is transmitted to the long rod, the partition plate can be driven by the long rod to move horizontally along the inner wall of the closed cavity, the partition plate can extrude the viscous liquid in the movement, the viscous liquid is forced to flow repeatedly through the through hole formed in the partition plate, and the damping force is generated to continuously consume the earthquake energy. The device has reasonable structure, flexible combination and convenient installation, and can achieve the purpose of reducing the earthquake action in the horizontal direction under the combination action.
Description
Technical Field
The utility model relates to a pile foundation structure antidetonation technical field, concretely relates to shock attenuation energy absorber based on groupware basis.
Background
The pile group foundation is a pile foundation consisting of a plurality of piles, has the advantages of high bearing capacity, good earthquake resistance, capability of reducing uneven settlement and the like, and is widely applied to foundations of high-rise buildings, heavy plants, bridges, wharfs, large-scale electromechanical equipment and structures with special requirements. The pile foundation is used for transmitting the load transmitted by the upper structure through the bearing platform and then transmitted into the foundation by the pile foundation. The pile group foundation is composed of a plurality of piles, the tops of the piles are connected with a bearing platform into a whole, and upper load is transferred to a plurality of piles below the piles.
Under the action of earthquake load, the pile foundation can bear larger horizontal load, and due to the influence of pile group effect, the bearing capacity of each pile foundation in the pile group is much smaller than that of a single pile, so that the anti-earthquake design needs to be carried out on the pile group. The horizontal anti-seismic pile group structure in the prior art has the defects of complex structure, complex construction and the like.
Disclosure of Invention
The utility model aims to provide a can subtract the crowd's stake foundation structure of the horizontal direction that the earthquake produced, have simple structure, reliable and can realize the characteristics of quick construction installation.
In order to realize the functions and the purposes, the utility model provides a shock absorption and energy dissipation device based on a group pile foundation, which comprises a plurality of viscous damping devices 3 horizontally arranged between each adjacent pile 2, and a bearing platform 1 is arranged above the piles 2; the viscous damping device 3 is provided with a closed cavity 6 in a cube or cuboid shape, and viscous liquid 7 is filled in the closed cavity 6; still be provided with two baffles 4 in the closed cavity 6, the vertical setting of baffle 4 separates into first cavity 61, second cavity 62 and third cavity 63 with closed cavity 6, is provided with a plurality of through-hole 41 on baffle 4, respectively is provided with a stock 5 in one side of every baffle 4 towards the 6 lateral walls of closed cavity, 5 one end of stock is connected with baffle 4, and the other end passes the 6 lateral walls of closed cavity and is connected with the stake 2 that corresponds one side, is provided with sealing device in the 6 lateral walls perforation departments of closed cavity, viscous fluid 7 can not leak from closed cavity 6.
The utility model discloses in, baffle 4 can be under the drive of stock 5, and 6 inner walls along the closed cavity are horizontal motion, and the volume of first cavity 61, second cavity 62 and third cavity 63 changes this moment, and baffle 4 can produce the extrusion to viscous liquid 7 in the motion, forces viscous liquid 7 to flow repeatedly through the through-hole 41 that sets up on the baffle 4, produces the damping force and constantly consumes seismic energy.
In a particular embodiment, the two partition plates 4 are completely sealed in the contact position with the closed cavity 6, and the viscous liquid 7 can only flow between the first cavity 61, the second cavity 62 and the third cavity 63 through the through holes 41 provided in the partition plates 4.
In a specific embodiment, the connecting position of the long rod 5 and the partition board 4 is positioned at the geometric center of the side surface of the partition board 4.
In a particular embodiment, the perforation of the side wall of the closed cavity 6 is located at the geometric centre of the side wall.
In a specific embodiment, the number of through holes 41 provided in each partition plate 4 is 6 to 12.
In a specific embodiment, a smooth metal plate is used for six inner wall surfaces of the closed cavity 6.
In a particular embodiment, the horizontal section of the pile 2 is square or circular.
In a particular embodiment, the thickness of the partition 4 is set to more than 1/2 of the diameter of the long rod 5 to ensure that the partition 4 can withstand the impact of the viscous liquid 7 during movement.
In a specific embodiment, each pile 2 is provided with at least two viscous damping devices 3 horizontally, wherein the two viscous damping devices 3 are installed horizontally and vertically.
Compared with the prior art, the beneficial effects of the utility model include:
(1) A shock absorption and energy dissipation device based on a pile group foundation is formed through a long rod, a partition plate, a closed cavity and viscous liquid, and the shock absorption and energy dissipation device is reasonable and simple in structure and can realize quick construction.
(2) When an earthquake occurs, the long rod drives the partition board to be in close contact with the inner wall of the container and move horizontally along the inner wall, viscous liquid in three cavities separated by the partition board is forced to flow repeatedly through the through holes in the partition board, damping force is generated, so that earthquake energy is consumed continuously, and the effects of shock absorption and energy dissipation are achieved.
(3) The structure can consume energy generated by the earthquake action in any horizontal direction, improve the overall stability of the pile group foundation and continuously dissipate the earthquake energy.
Drawings
Fig. 1 is a schematic structural view of the pile group foundation shock-absorbing and energy-dissipating device of the present invention.
Fig. 2 is a schematic structural plane view of the pile group foundation shock-absorbing and energy-dissipating device according to an embodiment of the present invention.
Fig. 3 is a sectional view of a viscous damping device according to an embodiment of the present invention, fig. 1.
Fig. 4 is a cross-sectional view of a viscous damping device according to an embodiment of the present invention, fig. 2.
Fig. 5 is a schematic diagram of a partition structure according to an embodiment of the present invention.
In the figure:
1-a bearing platform; 2-piling; 3-viscous damping means; 4-a separator; 5-a long rod; 6-sealing the cavity; 7-viscous fluid; 41-through holes; 61-a first cavity; 62-a second cavity; 63-second cavity.
Detailed Description
The technical solutions of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments, and it should be understood that the specific embodiments described herein are only for the purpose of illustrating and explaining the present disclosure, and are not to be used for limiting the present invention.
As shown in fig. 1-5, the utility model provides a shock-absorbing energy-dissipating device based on a group pile foundation, which comprises a plurality of viscous damping devices 3 horizontally arranged between each adjacent pile 2, and a bearing platform 1 arranged above the piles 2; the viscous damping device 3 is provided with a closed cavity 6 in a cube or cuboid shape, and viscous liquid 7 is filled in the closed cavity 6; still be provided with two baffles 4 in the closed cavity 6, the vertical setting of baffle 4 separates into first cavity 61, second cavity 62 and third cavity 63 with closed cavity 6, is provided with a plurality of through-hole 41 on baffle 4, respectively is provided with a stock 5 in one side of every baffle 4 towards the 6 lateral walls of closed cavity, 5 one end of stock is connected with baffle 4, and the other end passes the 6 lateral walls of closed cavity and is connected with the stake 2 that corresponds one side, is provided with sealing device in the 6 lateral walls perforation departments of closed cavity, viscous fluid 7 can not leak from closed cavity 6.
When an earthquake occurs, the pile 2 vibrates, the long rod 5 connected to the pile 2 vibrates along with the vibration, the long rod 5 drives the partition plate 4 to do horizontal motion along the inner wall of the closed cavity 6, the volumes of the first cavity 61, the second cavity 62 and the third cavity 63 change at the moment, the partition plate 4 extrudes the viscous liquid 7 in motion, the viscous liquid 7 is forced to flow repeatedly through the through hole 41 formed in the partition plate 4, and the damping force is generated to continuously consume the earthquake energy. In the pile group foundation, each pile 2 is generally provided with two to four viscous damping devices 3, wherein the installation direction of at least two viscous damping devices 3 is horizontal and vertical, so that each pile can absorb vibration in any horizontal direction in the earthquake.
As a better embodiment of the present invention, the contact position of the two partition boards 4 and the closed cavity 6 is completely sealed, and the viscous liquid 7 can only flow between the first cavity 61, the second cavity 62 and the third cavity 63 through the through hole 41 formed on the partition board 4.
As the better embodiment of the utility model, the connecting position of the long rod 5 and the baffle 4 is positioned at the geometric center of the side of the baffle 4.
As a better embodiment of the present invention, the perforation of the side wall of the closed cavity 6 is located at the geometric center of the side wall.
As a better embodiment of the present invention, the number of the through holes 41 provided on each partition plate 4 is 6 to 12.
As a better embodiment of the present invention, the six inner wall surfaces of the closed cavity 6 are made of smooth metal plates.
As a better embodiment of the invention, the horizontal section of the pile 2 is square or circular.
As the better embodiment of the utility model, the thickness of the baffle 4 is set to be more than 1/2 of the diameter of the long rod 5, so as to ensure that the baffle 4 can bear the impact of viscous liquid 7 in the movement process.
The foregoing is a more detailed description of the invention, taken in conjunction with the specific preferred embodiments, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions and replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (9)
1. A shock absorption and energy dissipation device based on a pile group foundation is characterized by comprising a plurality of viscous damping devices (3) horizontally arranged between every two adjacent piles (2), and a bearing platform (1) is arranged above the piles (2); the viscous damping device (3) is provided with a closed cavity (6) in a square or rectangular shape, and viscous liquid (7) is filled in the closed cavity (6); still be provided with two baffles (4) in closed cavity (6), baffle (4) vertical setting is separated into first cavity (61), second cavity (62) and third cavity (63) with closed cavity (6), is provided with a plurality of through-hole (41) on baffle (4), respectively is provided with a stock (5) in one side of every baffle (4) orientation closed cavity (6) lateral wall, stock (5) one end is connected with baffle (4), and the other end passes closed cavity (6) lateral wall and is connected with stake (2) that correspond one side, is provided with sealing device in closed cavity (6) lateral wall perforation department, it can not self-sealing cavity (6) internal leakage to glue viscous liquid (7).
2. A shock-absorbing and energy-dissipating device according to claim 1, characterized in that the two partition plates (4) are completely sealed in the contact position with the closed cavity (6), and the viscous liquid (7) can only flow among the first cavity (61), the second cavity (62) and the third cavity (63) through the through holes (41) arranged on the partition plates (4).
3. A shock absorbing and energy dissipating device according to claim 1, characterized in that the connecting position of the long rods (5) and the partition plate (4) is located at the geometric center of the side surface of the partition plate (4).
4. A shock absorbing and energy dissipating device according to claim 1, characterized in that the perforations in the side walls of the closed cavities (6) are located in the geometric centre of the side walls.
5. A shock-absorbing and energy-dissipating device according to claim 1, wherein 6 to 12 through holes (41) are provided in each partition (4).
6. A shock absorbing and energy dissipating device according to claim 1, characterized in that six inner wall surfaces of the closed cavity (6) are smooth metal plates.
7. A shock absorbing and energy dissipating device according to claim 1, characterized in that the horizontal cross section of the piles (2) is square or circular.
8. A shock absorbing and energy dissipating device according to claim 1, characterized in that the thickness of the partition (4) is set to be more than 1/2 of the diameter of the long rod (5) to ensure that the partition (4) can withstand the impact of the viscous liquid (7) during movement.
9. A shock absorbing and energy dissipating device according to claim 1, characterized in that each pile (2) is provided with at least two viscous damping devices (3) horizontally, wherein the two viscous damping devices (3) are installed horizontally and vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222188770.6U CN218292011U (en) | 2022-08-19 | 2022-08-19 | Shock attenuation energy absorber based on pile group basis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222188770.6U CN218292011U (en) | 2022-08-19 | 2022-08-19 | Shock attenuation energy absorber based on pile group basis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218292011U true CN218292011U (en) | 2023-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222188770.6U Active CN218292011U (en) | 2022-08-19 | 2022-08-19 | Shock attenuation energy absorber based on pile group basis |
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| CN (1) | CN218292011U (en) |
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2022
- 2022-08-19 CN CN202222188770.6U patent/CN218292011U/en active Active
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