CN208363327U - A kind of seismic isolation device - Google Patents
A kind of seismic isolation device Download PDFInfo
- Publication number
- CN208363327U CN208363327U CN201821031937.5U CN201821031937U CN208363327U CN 208363327 U CN208363327 U CN 208363327U CN 201821031937 U CN201821031937 U CN 201821031937U CN 208363327 U CN208363327 U CN 208363327U
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- drag
- rope part
- base plate
- upper base
- seat board
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Abstract
The utility model provides a kind of seismic isolation device, including drag-line component made of upper base plate, lower seat board, support and marmem, the upper base plate is connected with the lower seat board by the support, and the upper base plate and the lower seat board are connected with the drag-line component.The utility model drag-line component made of setting marmem, in earthquake, marmem rope is tensioned in batches, improve restraining ability, to reach the multi-level heating net under medium and small shake, big shake, megaseisms effect, realize the shockproof control of multi-level heating net, and there is self-resetting capability, it can also effectively prevent falling beam earthquake.
Description
Technical field
A kind of technical field that the utility model relates to provide fortification against earthquakes, and in particular to seismic isolation device.
Background technique
In recent decades, traditional seismic isolation device such as lead core rubber support, friction pendulum support and high-damp rubber support etc.
The test for the earthquake being subjected to can effectively extend the period of bridge structure, reduce the transmitting of seismic force, effective protection bridge structure.
But under the test of macroseism and Near-field ground motion, the bridge that conventional base device is combined with block is easy to produce over-large displacement,
Collide or even fall beam earthquake.Seismic isolation device be added marmem, can effectively improve bridge self-resetting capability,
Increase additional energy dissipation capacity, reduce residual deformation, therefore marmem subtracts Isolated Bridges structural system and quickly grows.But
It is that current seismic isolation device uses single limit measure, and when macroseism restraining ability is strong, the isolation efficiency of medium and small shake is low；
When the isolation efficiency of medium and small shake is high, is easily caused under macroseism and fall beam hidden danger.
Utility model content
In order to solve the above technical problems, can reach in the purpose of this utility model is to provide a kind of seismic isolation device
Multi-level heating net under small shake, big shake, megaseisms effect, realizes the shockproof control of multi-level heating net, and have self-resetting capability, can also have
Imitate restrainer earthquake.
Based on this, the utility model proposes a kind of seismic isolation devices, which is characterized in that including upper base plate, lower seat board, branch
Drag-line component made of seat and marmem, the upper base plate is connected with the lower seat board by the support, described
Upper base plate and the lower seat board are connected with the drag-line component.
Optionally, the drag-line component includes the first rope part, the second rope part and third rope part, the both ends of the first rope part
It is separately connected the upper base plate and the lower seat board, the both ends of the both ends of the second rope part and the third rope part connect respectively
Connect the upper base plate and the lower seat board.
Optionally, it is equipped with U-shaped hoop and flexural pivot on the upper base plate and the lower seat board, the both ends of the first rope part are worn
The U-shaped hoop is crossed to be connected with the upper base plate and the lower seat board respectively；The both ends of the second rope part and the third rope
The both ends of part pass through the flexural pivot and are connected respectively with the upper base plate and the lower seat board.
Optionally, each first rope part includes the drag-line of two elongated settings, and this two drag-lines are arranged in a crossed manner,
The first end of two drag-lines is connected by drag-line sleeve, and the second end of two drag-lines passes through another drag-line set
Cylinder is connected.
Optionally, the quantity of the first rope part is two groups, and is oppositely arranged.
Optionally, each second rope part includes two drag-lines, and this two drag-lines are arranged in a crossed manner, the every drawing
The first end of rope is connected to the one end on one side of the upper base plate, and the second end of the drag-line is connected to be connect with the upper base plate
Locate on the lower seat board on ipsilateral one side, and one far from the upper base plate junction of the second end Jie of the drag-line
End.
Optionally, the quantity of the second rope part is two groups, and is oppositely arranged.
Optionally, each third rope part includes a drag-line, and the first end of the drag-line is connected to the seat of honour
On plate, on the second end of the drag-line lower seat board opposite with the upper base plate junction.
Optionally, the quantity of the third rope part is multiple, and the third rope part is symmetricly set on the shock insulation that subtracts and fills
On the opposite side set.
Optionally, the support is lead core rubber support.
The seismic isolation device of the utility model, including drag-line made of upper base plate, lower seat board, support and marmem
Component, upper base plate and lower seat board are connected by support, and upper base plate and lower seat board are connected with drag-line component.It is drawn by setting
Rope component, in earthquake, drag-line is tensioned in batches, improves restraining ability, to reach under medium and small shake, big shake, megaseisms effect
Multi-level heating net realizes the shockproof control of multi-level heating net, and has self-resetting capability, can also effectively prevent falling beam earthquake.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Fig. 2 is the structural schematic diagram of the U-shaped hoop of the utility model embodiment.
Fig. 3 is the structural schematic diagram of the utility model embodiment drag-line sleeve.
Description of symbols:
1, upper base plate；2, lower seat board；3, support；4, drag-line component；5, U-shaped hoop；6, drag-line sleeve；7, flexural pivot；8, backing plate；
9, nuts.
41, the first rope part；42, the second rope part；43, third rope part.
61, inner sleeve；62, outer sleeve.
Specific embodiment
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second ", " third " are used for description purposes only, and should not be understood as
Indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
For the ordinary skill in the art, it can understand above-mentioned term in the present invention with concrete condition
Concrete meaning.
Fig. 1 is please referred to, a kind of seismic isolation device, including upper base plate 1, lower seat board 2, support 3 and shape are present embodiments provided
Drag-line component 4 made of shape memory alloys (SMA, Shape Memory Alloys), upper base plate 1 and lower seat board 2 pass through support 3
It is connected, upper base plate 1 and lower seat board 2 are connected with drag-line component 4.By setting drag-line component 4, restraining ability is improved,
To reach the carry out shockproof control under geological process.Drag-line component 4 has elasticity, has the ability for restoring self-deformation,
Therefore make seismic isolation device that there is self-resetting capability.
Wherein, drag-line component 4 includes the first rope part 41, the second rope part 42 and third rope part 43, the both ends of the first rope part 41
It is separately connected upper base plate 1 and lower seat board 2, the both ends of the second rope part 42 and the both ends of third rope part 43 are separately connected upper base plate 1
With lower seat board 2.When medium and small shake acts on, the tensioning of the first rope part 41, the second rope part 42 and third rope part 43 relax, the seismic force of transmitting
It is smaller, subtract isolation efficiency height, set up defences under earthquake super, the first rope part 41, the second rope part 42 and third rope part 43 are tensioned, and are passed
The seismic force passed is big, and restraining ability is high.Pass through the first rope part 41, the second rope part 42 and third being arranged under different degrees of earthquake
Rope part 43 is tensioned respectively, improves restraining ability, to reach the multi-level heating net under medium and small shake, big shake, megaseisms effect, is realized
The shockproof control of multi-level heating net, and there is self-resetting capability.First rope part 41, the second rope part 42 and third rope part 43 are SMA
Rope part.
Every one first rope part 41 includes the drag-line of two elongated settings, and this two drag-lines are arranged in a crossed manner, two drag-lines
First end be connected by drag-line sleeve 6, the second end of two drag-lines is connected by another drag-line sleeve 6.Every drag-line
Both ends both pass through the U-shaped hoop all having on upper base plate 1 and lower seat board 2, realize the first rope part 41 respectively with upper base plate 1 and lower seat
The connection of plate 2.In this way, the first rope part 41 is tensioned and enters geneva and converts in medium and small shake, provided for seismic isolation device extensive
Multiple power and energy dissipation capacity, ensure that isolation efficiency.The quantity of first rope part 41 is two groups, and is oppositely arranged.In this way, be for
Guarantee support has when both direction is subjected to displacement drag-line provide restoring force.The drag-line is SMA drag-line.
Every one second rope part 42 includes two drag-lines, and this two drag-lines are arranged in a crossed manner, and the first end of every drag-line connects
One end on one side of upper base plate 1 is connect, the second end of drag-line is connected to the lower seat board 2 on one side ipsilateral with 1 junction of upper base plate
On, and one end of 1 junction of separate upper base plate that the second end of drag-line is connected to.In big shake, the first rope part 41 and the second rope
Part 42 is tensioned simultaneously, provides restoring force and energy dissipation capacity for seismic isolation device.It is to be herein pointed out comparing the first rope part
41,42 deformation range of the second rope part is smaller, and required length is also shorter.The quantity of second rope part 42 is two groups, and is oppositely arranged.This
Sample setting is to guarantee support when both direction is subjected to displacement and have drag-line to provide restoring force.The drag-line is SMA drawing
Rope.
Third rope part 43 includes a drag-line, and the first end of drag-line is connected on upper base plate 1, the second end of drag-line with it is upper
On the opposite lower seat board 2 in 1 junction of seat board.It is super set up defences earthquake when, the first rope part 41, the second rope part 42 and third rope part 43 are equal
Tensioning, wherein the first rope part 41 and the second rope part 42 are that seismic isolation device provides self-resetting capability, and third rope part 43 limits and subtracts
The maximum displacement of earthquake isolating equipment provides restraining ability for seismic isolation device, reduces so that being displaced between pier beam, can effectively prevent falling beam
The generation of earthquake.It is to be herein pointed out third rope part 43 is due to need to only provide restoring force, deformation range is minimum, required length
It spends also most short.The quantity of third rope part 43 is multiple, and third rope part 43 is symmetricly set on the opposite side of seismic isolation device.In this way
Setting is to guarantee support when both direction is subjected to displacement and have drag-line to provide restoring force.The drag-line is SMA drag-line.
Specifically, it is equipped with U-shaped hoop 5 and flexural pivot 7 on upper base plate 1 and lower seat board 2, the both ends of the first rope part 41 pass through U
Type hoop 5 is connected with upper base plate 1 and lower seat board 2 respectively；The both ends of second rope part 42 and the both ends of third rope part 43 pass through ball
Hinge 7 is connected with upper base plate 1 and lower seat board 2 respectively.Referring to figure 2., it is U-shaped hoop 5 and upper base plate 1 between, it is U-shaped hoop 5 with lower seat
It is equipped with backing plate 8 between plate 2, U-shaped hoop 5 and upper base plate 1, U-shaped hoop 5 are fixed together with lower seat board 2 using nuts 9.
Referring to figure 3., the end of the first rope part 41 is fixed in inner sleeve 61, then is connected two inner sleeves 61 by outer sleeve 62
Come, realizes that the drag-line of the first rope part 41 is connected to each other by drag-line sleeve 6.Since the drag-line of the first rope part 41 passes through U-shaped hoop 5,
It is achieved in connection of the first rope part 41 respectively with upper base plate 1 and lower seat board 2.The first rope part 41,42 and of the second rope part
Third rope part 43 is SMA rope part.
It is noted that being provided with three batches of rope parts in the utility model, achieve the purpose that triangular matrix rings.In other implementations
In example, several batches of rope parts can be according to circumstances set and be successively tensioned, to achieve the purpose that multi-level heating net.In the present embodiment, support 3
For lead core rubber support.In other embodiments, General Purpose Rubber support, pot bearing, friction pendulum support and high resistant can also be used
The support of the other types such as Buddhist nun's support and index.
The utility model embodiment provides a kind of seismic isolation device, by the way that the first rope part 41,42 and of the second rope part is arranged
Third rope part 43, in earthquake, rope part is tensioned in batches, improves restraining ability, to reach in medium and small shake, big shake, megaseisms effect
Under multi-level heating net, realize the shockproof control of multi-level heating net.There is the ability for restoring self-deformation using drag-line, make to subtract shock insulation
Device has self-resetting capability, and third rope part 43 provides restraining ability for seismic isolation device, it is therefore prevented that falls the generation of beam earthquake.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
It also should be regarded as the protection scope of the utility model into replacement.
Claims (10)
1. a kind of seismic isolation device, which is characterized in that including being drawn made of upper base plate, lower seat board, support and marmem
Rope component, the upper base plate and the lower seat board are connected by the support, and the upper base plate and the lower seat board are and institute
Drag-line component is stated to be connected.
2. seismic isolation device according to claim 1, which is characterized in that the drag-line component includes the first rope part, second
Rope part and third rope part, the both ends of the first rope part are separately connected the upper base plate and the lower seat board, the second rope part
Both ends and the both ends of the third rope part be separately connected the upper base plate and the lower seat board.
3. seismic isolation device according to claim 2, which is characterized in that be equipped on the upper base plate and the lower seat board
U-shaped hoop and flexural pivot, the both ends of the first rope part pass through the U-shaped hoop and are connected respectively with the upper base plate and the lower seat board
It connects；The both ends of the second rope part and the both ends of the third rope part pass through the flexural pivot respectively with the upper base plate and described
Lower seat board is connected.
4. seismic isolation device according to claim 2, which is characterized in that each first rope part includes two elongated
The drag-line of setting, and this two drag-lines are arranged in a crossed manner, the first end of two drag-lines is connected by drag-line sleeve, two institutes
The second end for stating drag-line is connected by another drag-line sleeve.
5. seismic isolation device according to claim 4, which is characterized in that the quantity of the first rope part is two groups, and phase
To setting.
6. seismic isolation device according to claim 2, which is characterized in that each second rope part includes two drawings
Rope, and this two drag-lines are arranged in a crossed manner, the first end of the every drag-line is connected to the one end on one side of the upper base plate, described
The second end of drag-line is connected on the lower seat board on one side ipsilateral with the upper base plate junction, and the second of the drag-line
Hold the one end far from the upper base plate junction being connected to.
7. seismic isolation device according to claim 6, which is characterized in that the quantity of the second rope part is two groups, and phase
To setting.
8. seismic isolation device according to claim 2, which is characterized in that each third rope part includes a drawing
Rope, the first end of the drag-line are connected on the upper base plate, and the second end of the drag-line is opposite with the upper base plate junction
The lower seat board on.
9. seismic isolation device according to claim 8, which is characterized in that the quantity of the third rope part is multiple, and institute
Third rope part is stated to be symmetricly set on the opposite side of the seismic isolation device.
10. seismic isolation device according to claim 1, which is characterized in that the support is lead core rubber support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821031937.5U CN208363327U (en) | 2018-06-29 | 2018-06-29 | A kind of seismic isolation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821031937.5U CN208363327U (en) | 2018-06-29 | 2018-06-29 | A kind of seismic isolation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208363327U true CN208363327U (en) | 2019-01-11 |
Family
ID=65032862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821031937.5U Active CN208363327U (en) | 2018-06-29 | 2018-06-29 | A kind of seismic isolation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208363327U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811640A (en) * | 2019-02-20 | 2019-05-28 | 广州大学 | A kind of two-stage buffer limit earthquake isolating equipment |
| CN112411762A (en) * | 2020-11-07 | 2021-02-26 | 中铁一局集团有限公司 | Rubber shock absorption and isolation system for high-rise building |
| WO2023108301A1 (en) * | 2021-12-17 | 2023-06-22 | The Governors Of The University Of Alberta | Smart friction pendulum system |
| CN117587951A (en) * | 2024-01-18 | 2024-02-23 | 广东工业大学 | Self-resetting energy dissipation support |
-
2018
- 2018-06-29 CN CN201821031937.5U patent/CN208363327U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811640A (en) * | 2019-02-20 | 2019-05-28 | 广州大学 | A kind of two-stage buffer limit earthquake isolating equipment |
| CN112411762A (en) * | 2020-11-07 | 2021-02-26 | 中铁一局集团有限公司 | Rubber shock absorption and isolation system for high-rise building |
| CN112411762B (en) * | 2020-11-07 | 2022-03-18 | 中铁一局集团有限公司 | Rubber shock absorption and isolation system for high-rise building |
| WO2023108301A1 (en) * | 2021-12-17 | 2023-06-22 | The Governors Of The University Of Alberta | Smart friction pendulum system |
| CN117587951A (en) * | 2024-01-18 | 2024-02-23 | 广东工业大学 | Self-resetting energy dissipation support |
| CN117587951B (en) * | 2024-01-18 | 2024-04-16 | 广东工业大学 | Self-resetting energy dissipation support |
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