CN208293777U - A kind of anti-tension shock isolating pedestal device - Google Patents
A kind of anti-tension shock isolating pedestal device Download PDFInfo
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- CN208293777U CN208293777U CN201820884734.4U CN201820884734U CN208293777U CN 208293777 U CN208293777 U CN 208293777U CN 201820884734 U CN201820884734 U CN 201820884734U CN 208293777 U CN208293777 U CN 208293777U
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- plate
- shock isolating
- isolating pedestal
- lift
- limiting ring
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Abstract
The utility model discloses a kind of anti-tension shock isolating pedestal device, including shock isolating pedestal, connection one can lift-off buckle closure above the shock isolating pedestal, it is described can lift-off buckle closure include top plate, Horizontal limiting ring flat-plate, support plate, lift-off locating part, the Horizontal limiting ring flat-plate is arranged below the top plate, the support plate is arranged in the inner cavity of the Horizontal limiting ring flat-plate and contacts with the lower plane of the top plate, the top plate is connected and fixed with upper buttress, the shock isolating pedestal is located at the lower section in the inner cavity of the Horizontal limiting ring flat-plate and being located at the support plate, lift-off locating part one end passes through the upper cover plate of the shock isolating pedestal, it the support plate and is fixed with the top plate, the other end of the lift-off locating part is positive stop end, positioned at the lower section of the upper cover plate, the distance between the top of the positive stop end and the support plate lower plane are greater than institute The thickness of upper cover plate is stated, the lower end of the shock isolating pedestal is fixed with lower buttress.The utility model is avoided that shock isolating pedestal bears unfavorable pulling force.
Description
Technical field
The utility model relates to the earthquake isolating equipment technical fields in a kind of industrial building, civil buildings, bridge, more particularly to
Anti- tension shock isolating pedestal device.
Background technique
China belongs to earthquake and takes place frequently country, and in recent years in succession in Wenchuan and Yaan earthquake occurrence, earthquake is caused largely
Casualties and huge property loss, even if part building has reached the design object of Aseismic Design " no collapsing with strong earthquake ", but
Since filling wall and finishing time structural damage still cause casualties.Therefore, suggestion popularization is repeatedly mentioned in government aspect to subtract
Seismic isolation technology improves the anti-seismic performance of structure, and to ensure human life's safety, area is built part design intensity for important higher
Pressure is built using seismic isolation technology is subtracted, is greatly promoted the development of Chinese seismic isolation technology.
Since to bear pulling force ability poor or without tensile capacity for common shock isolating pedestal such as laminated rubber bases, for protection every
The horizontal seismic isolation performance of support is shaken, " seismic design provision in building code " 12.2.4 item requires level of the rubber support under rarely occurred earthquake
Under vertical Earthquake Excitations, tensile stress should not exceed 1MPa.But for the high-level structure shock design of highly seismic region, due to
Seismic force is excessive, inevitably generates tensile stress in corner support, the portion of standoff tensile stress of part-structure is difficult control and exists
Within 1MPa.Still have after highly seismic region (such as 9 degree of areas) or the structures isolation effect of depth-width ratio larger (be greater than 3) it is biggish topple it is curved
Square, but currently used rubber earthquake isolation support receiving pulling force ability is poor, especially when drawing, cutting while acting on, bears pulling force energy
Power declines faster." seismic design provision in building code " 12.2.4 item requires horizontal and vertical earthquake of the rubber support under rarely occurred earthquake
Under acting on simultaneously, tensile stress should not exceed 1MPa, but be seen according to the result of tensile shear testing few in number, and support is in larger shearing
When deformation, tensile stress had had already appeared apparent non-linear before reaching 1MPa, while hysteresis area is larger, occurs comparing
Apparent damage, horizontal shear performance receive larger impact.
It can be seen that how to improve the prior art, protecting rubber earthquake isolation support, tension is not damaged, and is ensured to the maximum extent
The vertical load performance of support and horizontal seismic isolation performance, this is this field technical issues that need to address.
Utility model content
The purpose of the utility model is to provide a kind of anti-tension shock isolating pedestal devices, give full play to the performance of support, keep away
Exempt from support and bears unfavorable pulling force.
In order to solve the above technical problems, the technical solution of the utility model is:
A kind of anti-tension shock isolating pedestal device of the utility model, comprising: shock isolating pedestal, shock isolating pedestal top connection
One can lift-off buckle closure, it is described can lift-off buckle closure include top plate, Horizontal limiting ring flat-plate, support plate, lift-off locating part, the horizontal limit
Position ring flat-plate be arranged below the top plate, the support plate be arranged in the inner cavity of the Horizontal limiting ring flat-plate and with the top plate
Fixed, the top plate is connected and fixed with upper buttress, and the shock isolating pedestal is located in the inner cavity of the Horizontal limiting ring flat-plate and is located at
The lower section of the support plate, lift-off locating part one end pass through the upper cover plate of the shock isolating pedestal, the support plate and with institute
Top plate is stated to fix, the other end of the lift-off locating part is positive stop end, positioned at the lower section of the upper cover plate, the positive stop end it is upper
The distance between portion and the support plate lower plane are greater than the thickness of the upper cover plate, the lower end of the shock isolating pedestal and lower buttress
It is fixed.
Preferably, the shock isolating pedestal is rubber earthquake isolation support.
Preferably, the lift-off locating part be lift-off position-limitting pin, the lift-off position-limitting pin be equipped with pin main body and
The stem knob being connect with pin main body one end.
Preferably, the upper cover plate of the shock isolating pedestal is caught in the inner cavity of the Horizontal limiting ring flat-plate by interference fit.
Preferably, the support plate is plate of the coefficient of friction less than 0.10.
Preferably, the support plate is polyfluortetraethylene plate.
Preferably, the lift-off locating part is connected and fixed by way of plug welding of perforating with the top plate.
Preferably, when the shock isolating pedestal is in state of tension, the upper plane for the upper cover plate being arranged on the shock isolating pedestal
The lift-off gap formed between the lower plane of the support plate is 10~30mm of design gaps.
Preferably, multiple put more energy into is equipped between the outside portion of the Horizontal limiting ring flat-plate and the lower plane of the top plate
Plate.
Preferably, the multiple stiffener is uniformly distributed.
Preferably, the upper buttress is equipped with embedded sleeve barrel, and the top plate is fixed by bolt and the embedded sleeve barrel.
Compared with prior art, the utility model have the characteristics that and the utility model has the advantages that
1, the stand apparatus of the utility model is by upward lifting when being acted on, shock isolating pedestal with can lift-off buckle closure it is de-
It opens, can effectively protect shock isolating pedestal not by tensile failure or larger damage influence horizontal seismic isolation performance occurs.Shock isolating pedestal is not held
By pulling force, can protecting shock isolating pedestal, tension is not damaged, and ensures the vertical load performance of support and horizontal seismic isolation performance to the maximum extent.
2, the utility model realizes the protection of two defence lines by setting lift-off locating part, when lift-off displacement is more than design displacement
When, lift-off locating part transmits pulling force and on the one hand limits, be unlikely to make shock isolating pedestal be detached from lift-off buckle closure Horizontal limiting ring flat-plate and
Horizontal bearing is caused to fail；The earthquake pulling force of the super expected design of a part is undertaken using the tensile bearing capacity of shock isolating pedestal simultaneously.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the anti-tension shock isolating pedestal Installation practice of the utility model；
Fig. 2 is the decomposition texture schematic diagram of stand apparatus in Fig. 1；
Fig. 3 is the enlarged drawing of part A when stand apparatus is in pressure state in Fig. 1；
Fig. 4 is the enlarged drawing of part A when stand apparatus is in state of tension in Fig. 1；
Fig. 5 be Fig. 1 in can lift-off buckle closure top view.
Specific embodiment
To keep the technical solution of the utility model clearer, below in conjunction with attached drawing by specific embodiment come to this reality
It is described in detail with novel.
Anti- tension shock isolating pedestal device disclosed by the utility model, including shock isolating pedestal, shock isolating pedestal top connection
One can lift-off buckle closure, it is described can lift-off buckle closure include top plate, Horizontal limiting ring flat-plate, support plate, lift-off locating part, the horizontal limit
Position ring flat-plate be arranged below the top plate, the support plate be arranged in the inner cavity of the Horizontal limiting ring flat-plate and with the top plate
Fixed, the upper plane of the support plate is contacted with the lower plane of the top plate, and the top plate is connected and fixed with upper buttress, it is described every
Shake support is located at the lower section in the inner cavity of the Horizontal limiting ring flat-plate and being located at the support plate, and lift-off locating part one end is worn
It crosses the upper cover plate of the shock isolating pedestal, the support plate and is fixed with the top plate, the other end of the lift-off locating part is limited
Position end, positioned at the lower section of the upper cover plate, the distance between the top of the positive stop end and the support plate lower plane are greater than institute
The thickness of upper cover plate is stated, the lower end of the shock isolating pedestal is fixed with lower buttress.
As a kind of perferred technical scheme, the shock isolating pedestal is rubber earthquake isolation support.
As a kind of perferred technical scheme, the lift-off locating part is lift-off position-limitting pin.
As a kind of perferred technical scheme, the upper cover plate of the shock isolating pedestal is caught in the horizontal limit by interference fit
In the inner cavity of position ring flat-plate.
As a kind of perferred technical scheme, the support plate is plate of the coefficient of friction less than 0.10.
As a kind of perferred technical scheme, the support plate is polyfluortetraethylene plate.
As a kind of perferred technical scheme, the lift-off locating part is connect by way of plug welding of perforating with the top plate
It is fixed.
As a kind of perferred technical scheme, when the shock isolating pedestal is in state of tension, it is arranged on the shock isolating pedestal
The upper plane of upper cover plate and the lower plane of the support plate between the lift-off gap that is formed be 10~30mm.
As a kind of perferred technical scheme, the outside portion of the Horizontal limiting ring flat-plate and the top plate lower plane it
Between be equipped with multiple stiffeners.
As a kind of perferred technical scheme, the multiple stiffener is uniformly distributed.
As a kind of perferred technical scheme, the upper buttress is equipped with embedded sleeve barrel, and the top plate passes through bolt and institute
Embedded sleeve barrel is stated to fix.
Referring to FIG. 1 to FIG. 5, the embodiments of the present invention are illustrated:
The anti-tension shock isolating pedestal device of the present embodiment includes rubber earthquake isolation support 1 and is arranged on rubber earthquake isolation support 1
What Fang Bingyu rubber earthquake isolation support 1 connected can lift-off buckle closure 2.
Can lift-off buckle closure 2 include top plate 21, be arranged in below top plate 21 Horizontal limiting ring flat-plate 22, be arranged in Horizontal limiting
Multiple stiffeners 23 between 21 lower plane of 22 outside portion of ring flat-plate and top plate, be arranged in the inner cavity of Horizontal limiting ring flat-plate 22 and with
The polyfluortetraethylene plate 24 of the lower part fitting of top plate 21.Top plate 21 is connected by the embedded sleeve barrel 31 being arranged on bolt and upper buttress 3
Connect fixation.
Horizontal limiting ring flat-plate with top plate using being welded and fixed, fixed by dormant bolt by polyfluortetraethylene plate and top plate.
The rubber earthquake isolation support 1 of the present embodiment, including upper cover plate 11, upper cover plate 11 pass through lift-off position-limitting pin 25 and top plate
21 connections, while interference fit is caught in Horizontal limiting ring flat-plate 22, different from the prior art by the upper cover of rubber earthquake isolation support 1
The connection type that plate 11 is directly connect with upper buttress 3.1 bottom of rubber earthquake isolation support passes through the fixing steel plate of bolt and lower buttress 4
41 connections.Remaining structure of rubber earthquake isolation support 1 is same as the prior art, and details are not described herein again.
25 one end of lift-off position-limitting pin passes through upper cover plate 11, polyfluortetraethylene plate 24, top plate 21, and the top with top plate 21
It is fixed by plug welding, forms plug welding point 26.The other end of lift-off position-limitting pin is equipped with the spacing head that diameter is greater than its main part,
Positioned at the lower section of upper cover plate 11, the distance between the top of spacing head and 24 lower plane of polyfluortetraethylene plate are greater than upper cover plate 11
Thickness, such setting so that when stand apparatus be in pressure state, the lower plane of the top of spacing head and upper cover plate 11 it
Between form a lift-off gap, the height in lift-off gap is L1, as shown in Figure 3.
Anti- tension shock isolating pedestal device in the present embodiment, its working principles are as follows:
1, under non-geological process, stand apparatus is primarily subjected to vertical pressure, at this point, rubber earthquake isolation support upper cover plate 11 and poly-
Tetrafluoroethene plate 24 directly contacts transmitting pressure, and thin portion relationship is shown in the pressure state figure of Fig. 3.
2, there are two types of force modes under geological process: compression shear mode and drawing cut-off-die formula.
When compression shear mode, rubber earthquake isolation support upper cover plate 11 directly contacts transmitting pressure, shearing with polyfluortetraethylene plate 24
Transmitting is contacted with upper cover plate 11 by Horizontal limiting ring flat-plate 22, thin portion relationship is shown in the pressure state figure of Fig. 3；
When drawing cut-off-die formula, rubber support upper cover plate 11 and polyfluortetraethylene plate 24 are disengaged, and do not transmit pulling force, and pulling force is relied on and set
Other tensile device is set to undertake.Shearing still contacts transmitting with upper cover plate 11 by limit ring flat-plate 22.It can for ensure device
By degree, lift-off position-limitting pin 25 is set, the lift-off spacer pin when lift off is more than designed distance, with 21 plug welding of buckle closure top plate
Nail 25 plays a role, and holds rubber earthquake isolation support 1 and buckle closure 2, is undertaken using the limited tensile capacity of rubber earthquake isolation support 1 super strong
Geological process, unlikely disengagement failure are spent, thin portion relationship is shown in the state of tension figure of Fig. 4.In the present embodiment, the upper plane of upper cover plate with
The height in the lift-off gap between the lower plane of polyfluortetraethylene plate is L2, L2 20mm.In other embodiments, lift-off gap
Height can be any one value in 10~30mm, such as 15mm, 18mm, 25mm etc..
Compared with prior art, the present embodiment have the characteristics that and the utility model has the advantages that
1, the stand apparatus of the present embodiment is by upward lifting when being acted on, shock isolating pedestal with can lift-off buckle closure disengage,
Shock isolating pedestal is can effectively protect not by tensile failure or larger damage influence horizontal seismic isolation performance occurs.Shock isolating pedestal is not subject to draw
Power, can protecting shock isolating pedestal, tension is not damaged, and ensures the vertical load performance of support and horizontal seismic isolation performance to the maximum extent.
2, the present embodiment realizes the protection of two defence lines by setting lift-off position-limitting pin, when lift-off displacement is more than design displacement
When, lift-off position-limitting pin transmits pulling force and on the one hand limits, and is unlikely to the Horizontal limiting ring flat-plate for making shock isolating pedestal be detached from lift-off buckle closure
And horizontal bearing is caused to fail；It is drawn simultaneously using the earthquake that the tensile bearing capacity of shock isolating pedestal undertakes the super expected design of a part
Power.
Above are merely preferred embodiments of the utility model, it is noted that above-mentioned preferred embodiment should not regard
For limitations of the present invention, the protection scope of the utility model should be defined by the scope defined by the claims..For
For those skilled in the art, without departing from the spirit and scope of the utility model, it can also make several
Improvements and modifications, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of anti-tension shock isolating pedestal device, including shock isolating pedestal, which is characterized in that connection one can above the shock isolating pedestal
Lift-off buckle closure, it is described can lift-off buckle closure include top plate, Horizontal limiting ring flat-plate, support plate, lift-off locating part, the Horizontal limiting ring
Plate is arranged below the top plate, and the support plate is arranged in the inner cavity of the Horizontal limiting ring flat-plate and consolidates with the top plate
Fixed, the top plate is connected and fixed with upper buttress, and the shock isolating pedestal is located in the inner cavity of the Horizontal limiting ring flat-plate and is located at institute
State the lower section of support plate, lift-off locating part one end pass through the upper cover plate of the shock isolating pedestal, the support plate and with it is described
Top plate is fixed, and the other end of the lift-off locating part is positive stop end, positioned at the lower section of the upper cover plate, the top of the positive stop end
The distance between described support plate lower plane is greater than the thickness of the upper cover plate, and the lower end of the shock isolating pedestal and lower buttress are solid
It is fixed.
2. anti-tension shock isolating pedestal device as described in claim 1, which is characterized in that the lift-off locating part is lift-off limit
Pin, the stem knob that the lift-off position-limitting pin is equipped with pin main body and connect with pin main body one end.
3. anti-tension shock isolating pedestal device as described in claim 1, which is characterized in that the upper cover plate of the shock isolating pedestal is with mistake
Cooperation of being full of is caught in the inner cavity of the Horizontal limiting ring flat-plate.
4. anti-tension shock isolating pedestal device as described in claim 1, which is characterized in that the shock isolating pedestal is in state of tension
When, the lift-off gap formed on the shock isolating pedestal between the upper plane of upper cover plate being arranged and the lower plane of the support plate is
10~30mm of design gaps.
5. anti-tension shock isolating pedestal device as described in claim 1, which is characterized in that in the outside of the Horizontal limiting ring flat-plate
Multiple stiffeners are equipped between portion and the lower plane of the top plate.
6. anti-tension shock isolating pedestal device as claimed in claim 5, which is characterized in that the multiple stiffener is uniformly distributed.
7. anti-tension shock isolating pedestal device as described in claim 1, which is characterized in that the upper buttress is equipped with pre-buried set
Cylinder, the top plate are fixed by bolt and the embedded sleeve barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820884734.4U CN208293777U (en) | 2018-06-07 | 2018-06-07 | A kind of anti-tension shock isolating pedestal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820884734.4U CN208293777U (en) | 2018-06-07 | 2018-06-07 | A kind of anti-tension shock isolating pedestal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208293777U true CN208293777U (en) | 2018-12-28 |
Family
ID=64723877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820884734.4U Active CN208293777U (en) | 2018-06-07 | 2018-06-07 | A kind of anti-tension shock isolating pedestal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208293777U (en) |
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2018
- 2018-06-07 CN CN201820884734.4U patent/CN208293777U/en active Active
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