CN212670899U - Horizontal damping device suitable for vertical vibration isolation structure of whole spring - Google Patents

Horizontal damping device suitable for vertical vibration isolation structure of whole spring Download PDF

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Publication number
CN212670899U
CN212670899U CN202020701234.XU CN202020701234U CN212670899U CN 212670899 U CN212670899 U CN 212670899U CN 202020701234 U CN202020701234 U CN 202020701234U CN 212670899 U CN212670899 U CN 212670899U
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pier
vertical vibration
horizontal
vibration isolation
isolation structure
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CN202020701234.XU
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Chinese (zh)
Inventor
陈长嘉
王世玉
郑超毅
刘博�
吴宏磊
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Architecture Design and Research Institute of Tongji University Group Co Ltd
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Architecture Design and Research Institute of Tongji University Group Co Ltd
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Abstract

The utility model relates to a horizontal damping device suitable for vertical vibration isolation structure of integral spring for load transmission and damping between upper portion overall structure (8) and ground (4), including last pier (1), spring isolator (2), lower pier (3) and ground (4) that from top to bottom connect gradually, last pier (1) side be connected with a plurality of levels and evenly distributed's upper portion tie-beam (7), the vertical 1 lower limit pier (6) of being provided with in bottom surface of every upper portion tie-beam (7), the lower surface height of lower limit pier (6) be less than the upper surface height of lower pier (3), lower limit pier (6) hug closely the side of lower pier (3). Compared with the prior art, the utility model has the advantages of horizontal shock resistance is good.

Description

Horizontal damping device suitable for vertical vibration isolation structure of whole spring
Technical Field
The utility model belongs to the technical field of the building structure technique and specifically relates to a horizontal damping device suitable for vertical vibration isolation structure of integral spring is related to.
Background
Years of practice and practical engineering application show that the integral vibration isolation technology of the building can effectively reduce environmental vibration and secondary noise generated by normal running of a subway or a train, effectively improves the normal use effect of the building along the subway, and has wide application particularly in vibration-sensitive buildings, such as a concert hall, a large theater and precision instrument manufacturing.
The integral spring vibration isolation technology for buildings is mainly characterized in that the building is connected with a foundation or a lower structure through a spring vibration isolator aiming at a certain independent important building, and the whole building is floated on the spring vibration isolator and is called as an integral vertical spring vibration isolation structure. After the spring vibration isolator is arranged, the foundation is elastically connected with the vibration isolation structure, the vertical inherent frequency of the system is about 3.0-5.0 Hz, when a high-frequency vibration signal generated by the operation of a subway or a train is transmitted to the foundation of a building, the arranged spring vibration isolator can isolate most subway vibration signals due to lower frequency, and the way of transmitting the vibration to the inside of the building is cut off, so that the purpose of vibration isolation is achieved.
The prior art also provides some solutions, and chinese patent CN209509182U proposes a building vibration isolation support, which comprises an upper pressure plate, a lower pressure plate and a spiral steel spring, wherein the spiral steel spring is located between the upper pressure plate and the lower pressure plate, a connecting member is arranged between the upper pressure plate and the lower pressure plate, and the spiral steel spring is pre-compressed to a state where the stiffness and the displacement are linearly related by the connecting member, the connecting member is a connecting screw rod, and a locking nut is arranged on the connecting screw rod; the upper pressing plate is also provided with an upper connecting plate, the upper connecting plate is positioned above the upper pressing plate, the lower pressing plate is also provided with a lower connecting plate, and the lower connecting plate is positioned below the lower pressing plate. This patent has advantages such as the vibration isolation is effectual, stable performance, long service life, and it can effectively keep apart external vibration, reduces the building structure secondary noise that the vibration causes, and the damping noise reduction effect is good.
However, the patent has the following problems:
in the vertical direction, the steel spring vibration isolator can reduce the vertical rigidity to achieve vertical vibration reduction; in the horizontal direction, although the horizontal stiffness of the spring vibration isolator is smaller, the horizontal stiffness of the overall structure is reduced compared with that of the base fixedly-connected structure, the amplitude of the reduction of the horizontal stiffness of the overall structure is limited under the influence of the horizontal stiffness of the steel spring vibration isolator, and meanwhile, the earthquake effect of the overall structure is increased due to the fact that the deformation of the bottom of the house is increased and the corresponding vibration mode participates in the mass increase.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a horizontal damping device who is applicable to the vertical vibration isolation structure of whole spring in order to overcome the defect that above-mentioned prior art exists, horizontal shock resistance is good.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a horizontal damping device suitable for vertical vibration isolation structure of integral spring for load transmission and damping between upper portion overall structure and the ground, including last pier, spring isolator and the lower pier that from top to bottom connects gradually, last pier side be connected with a plurality of levels and evenly distributed's upper portion tie-beam, the vertical 1 lower limit piers that hang that are provided with in bottom surface of every upper portion tie-beam, the lower surface height of lower limit pier be less than the upper surface height of lower pier, the lower limit pier that hangs hug closely the side of lower pier.
Furthermore, a sealing sliding material is arranged on the contact surface of the lower suspension limiting pier and the lower column pier.
Further, the sealing slip material is a polytetrafluoroethylene plate.
Further, the sealing sliding material is arranged on the lower suspension limiting pier.
Further, the seal-slip material completely fills the interface.
Further, the number of the upper connecting beams is 4.
Further, the width of the upper connecting beam is smaller than the width of the side face of the upper column pier.
Further, the thickness of the upper connecting beam is the same as the height of the upper pier.
Further, the height difference between the lower surface of the lower suspension limiting pier and the upper surface of the lower column pier is not less than 1/2 of the height of the lower column pier.
Further, the width of the lower suspension limiting pier is smaller than that of the upper connecting beam.
Compared with the prior art, the utility model discloses have with following beneficial effect:
(1) the utility model discloses connect gradually upper portion overall structure, upper column mound, spring isolator, lower column mound and ground, connect a plurality of levels and evenly distributed's upper portion tie-beam in upper column mound side, the bottom surface of every upper portion tie-beam is vertical to be provided with 1 lower suspension spacing mound, the lower surface height of lower suspension spacing mound is less than the upper surface height of lower column mound, the side of lower column mound is hugged closely to lower suspension spacing mound, the horizontal rigidity of the vertical vibration isolation structure of spring has wholly been improved, the horizontal seismic action increase problem that the vertical vibration isolation structure of spring brought has been solved, horizontal seismic action has been reduced, the security is good, simple structure;
(2) the utility model is provided with the sealing sliding material on the contact surface of the lower suspension limiting pier and the lower column pier, the sealing sliding material is arranged on the lower suspension limiting pier, the sealing sliding material completely fills the contact surface, the contact surface between the lower suspension limiting pier and the lower column pier is prevented from being corroded to generate a gap, the horizontal rigidity of the device is influenced, and the stability is good;
(3) the utility model adopts the polytetrafluoroethylene plate as the sealing sliding material, and has good corrosion resistance and sealing performance;
(4) the utility model discloses connect 4 upper portion tie-beams level and evenly in upper column mound side, the width of upper portion tie-beam is less than the side width of upper column mound, the thickness of upper portion tie-beam is the same with the height of upper column mound, guarantees to save material under the prerequisite of fully cushioning the horizontal vibrations that come from the upper column mound, reduces weight, improves the security and the stability of device;
(5) the utility model discloses the lower surface of the lower suspension limit pier who sets up and the difference in height of the upper surface of lower pier are not less than 1/2 of lower pier height, guarantee that the lower suspension limit pier fully cushions the horizontal vibrations that come from lower pier, improve the stability and the security of device.
Drawings
FIG. 1 is a side view of the structure of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
the reference numbers in the figures illustrate:
1. the vibration isolator comprises an upper column pier, 2 spring vibration isolators, 3 lower column piers, 4 foundations, 5 polytetrafluoroethylene plates, 6 lower suspension limiting piers, 7 upper connecting beams and 8 upper integral structures.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
A horizontal damping device suitable for an integral spring vertical vibration isolation structure is shown in figure 1 and comprises an upper column pier 1, a spring vibration isolator 2 and a lower column pier 3, wherein an upper integral structure 8, the upper column pier 1, the spring vibration isolator 2, the lower column pier 3 and a foundation 4 are sequentially connected from top to bottom;
the upper portion tie-beam 7 that the level was equipped with 4 on the upper column mound 1, upper portion tie-beam 7 is connected with upper portion overall structure 8, guarantees the rigidity of device optional position on the horizontal direction, and the width of upper portion tie-beam 7 is less than the side width of upper column mound 1, the thickness of upper portion tie-beam 7 the same with the height of upper column mound 1, material saving under the prerequisite of guaranteeing to have enough bearing capacity to undertake the horizontal vibrations that come from upper column mound 1 reduces weight, improves the security and the stability of device.
As shown in fig. 2 and 3, 4 sides of upper column pier 1 are connected respectively to the one end of 4 upper portion tie-beams 7, upper portion overall structure 8 is connected to the other end, the vertical 1 lower limit pier 6 that has of bottom surface of every upper portion tie-beam 7, the lower surface height of lower limit pier 6 is less than the upper surface height of lower column pier 3, lower limit pier 6 is hugged closely with lower column pier 3 side, the difference in height of the lower surface of lower limit pier 6 and the upper surface of lower column pier 3 is not less than 1/2 of lower column pier 3 height, guarantee that lower limit pier 6 fully cushions the horizontal vibrations that come from lower column pier 3, improve the stability and the security of device, the width of lower limit pier 6 is less than the width of upper portion tie-beam 7, reduce weight.
Set up polytetrafluoroethylene board 5 on the surface of lower suspension spacing mound 6 and upper column mound 1 contact, polytetrafluoroethylene board 5's sealing performance and corrosion resisting property are good, and polytetrafluoroethylene board 5 sets up under on suspension spacing mound 6, and the contact surface is filled completely to polytetrafluoroethylene board 5, and the contact surface of avoiding between lower suspension spacing mound and the lower column mound is corroded and the space appears, influences the horizontal rigidity of device.
8 horizontal loads of upper portion overall structure are transmitted to lower pier 3 by spring isolator 2, and then transmit to ground 4, suspend spacing pier 6 down through setting up, improve the horizontal rigidity at 2 positions of connecting of spring isolator, avoid the horizontal earthquake effect increase problem that spring isolator 2 brought, can effectively reduce horizontal earthquake effect.
This embodiment has provided a horizontal damping device suitable for vertical vibration isolation structure of integral spring, overall structure's vertical rigidity is the same with the vertical vibration isolation structure of traditional integral spring, satisfy the validity of vertical vibration isolation, 8 horizontal loads of upper portion overall structure are transmitted to lower column pier 3, and then transmit to ground 4 by hanging down spacing mound 6, horizontal rigidity is the same with traditional basement fixed knot structure, avoid the horizontal seismic action increase problem that the vertical vibration isolation structure of traditional integral spring brought, can effectively reduce horizontal seismic action.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims (10)

1. The utility model provides a horizontal damping device suitable for vertical vibration isolation structure of integral spring for load transmission and damping between upper portion overall structure (8) and ground (4), including last pier (1), spring isolator (2) and lower pier (3) that from top to bottom connect gradually, its characterized in that, last pier (1) side be connected with a plurality of levels and evenly distributed's upper portion tie-beam (7), the vertical 1 lower suspension spacing mounds (6) that are provided with in bottom surface of every upper portion tie-beam (7), the lower surface height of lower suspension spacing mound (6) be less than the upper surface height of lower pier (3), the side of lower pier (3) is hugged closely to lower suspension spacing mound (6).
2. The horizontal shock-absorbing device for the vertical vibration isolation structure of the integral spring as claimed in claim 1, wherein the contact surface of the lower suspension limiting pier (6) and the lower column pier (3) is provided with a sealing sliding material.
3. A horizontal vibration damping device adapted to be used in a vertical vibration isolating structure of an integrated spring according to claim 2, wherein said sealing slip material is a teflon plate (5).
4. A horizontal shock-absorbing device adapted to be used in a vertical vibration-isolating structure of an integrated spring according to claim 2, wherein said sealing and sliding material is provided on the lower suspension limiting block (6).
5. The horizontal vibration damping device for a unitary spring vertical vibration isolation structure according to claim 4, wherein said sealing slip material completely fills the contact surface.
6. The horizontal shock-absorbing device for a vertical vibration-isolating structure of an integral spring according to claim 1, wherein the number of said upper connecting beams (7) is 4.
7. A horizontal shock-absorbing device adapted to the vertical vibration isolating structure of an integral spring according to claim 1, wherein the width of said upper connecting beam (7) is smaller than the width of the side of the upper pier (1).
8. A horizontal shock-absorbing device adapted to the vertical vibration isolating structure of an integral spring according to claim 1, wherein the thickness of said upper connecting beam (7) is the same as the height of the upper pier (1).
9. The horizontal shock absorber device for vertical vibration isolation structure of integral spring as claimed in claim 1, wherein the height difference between the lower surface of said lower suspension limiting pier (6) and the upper surface of said lower stud (3) is not less than 1/2 of the height of said lower stud (3).
10. A horizontal shock-absorbing device adapted to the vertical vibration isolation structure of the integrated spring according to claim 1, wherein the width of the lower suspension limiting pier (6) is smaller than the width of the upper connecting beam (7).
CN202020701234.XU 2020-04-30 2020-04-30 Horizontal damping device suitable for vertical vibration isolation structure of whole spring Active CN212670899U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020701234.XU CN212670899U (en) 2020-04-30 2020-04-30 Horizontal damping device suitable for vertical vibration isolation structure of whole spring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020701234.XU CN212670899U (en) 2020-04-30 2020-04-30 Horizontal damping device suitable for vertical vibration isolation structure of whole spring

Publications (1)

Publication Number Publication Date
CN212670899U true CN212670899U (en) 2021-03-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020701234.XU Active CN212670899U (en) 2020-04-30 2020-04-30 Horizontal damping device suitable for vertical vibration isolation structure of whole spring

Country Status (1)

Country Link
CN (1) CN212670899U (en)

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