CN201722602U - Variable-stiffness vibration-insulation support - Google Patents
Variable-stiffness vibration-insulation support Download PDFInfo
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- CN201722602U CN201722602U CN2010202567150U CN201020256715U CN201722602U CN 201722602 U CN201722602 U CN 201722602U CN 2010202567150 U CN2010202567150 U CN 2010202567150U CN 201020256715 U CN201020256715 U CN 201020256715U CN 201722602 U CN201722602 U CN 201722602U
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- Prior art keywords
- rigidity
- support seat
- upper bracket
- undersetting
- isolating support
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000009413 insulation Methods 0.000 title abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 239000003351 stiffener Substances 0.000 claims description 13
- 238000013016 damping Methods 0.000 abstract description 23
- 230000035939 shock Effects 0.000 description 23
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
Images
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The utility model provides a variable-stiffness vibration-insulation support, comprising an upper support, a lower support with the horizontal dimension more than that of the upper support, an upper connecting plate and a lower connecting plate, wherein the upper connecting plate is fixedly connected with the upper part of the building; the lower connecting plate is connected with the lower part of the building; the upper support is fixedly connected with the upper connecting plate; the lower support is fixedly connected with the lower connecting plate; the upper support is connected with the lower support by a middle clapboard; the upper support is sheathed by a position-limiting device; the upper end of the position-limiting device is fixedly connected with the upper connecting plate; and the lower end of the position-limiting device is lower than the middle clapboard and the clearance is remained between the position-limited device and the middle clapboard. In the utility model, the variable-stiffness vibration-insulation support can provide different horizontal stiffness and damping force under different forcing states, can meet the vibration insulation and reduction requirements when the earthquakes of different grades occur to the high-rise buildings, can effectively reduce the influence of the earthquake disasters, and can ensure the safety of lives and properties.
Description
Technical field
The utility model relates to construction work, technical field of bridge engineering, is specifically related to a kind of rigidity-variable vibration-isolating support seat that is used for building engineering structure, bridge construction.
Background technology
In design of building structures, effectively earthquake disaster mitigation of shock insulation, shock mount is set.
By the requirement of standard GB 50011-2001 " seismic design provision in building code ", adopt rubber earthquake isolation support usually as earthquake isolating equipment.Existing shock isolating pedestal generally comprises laminated rubber and is arranged on upper spacer, the lower clapboard of transferring on the laminated rubber, and the upper spacer of shock isolating pedestal, lower clapboard are connected with building unit by last lower connecting plate respectively.
Existing shock isolating pedestal horizontal rigidity is fixed, and the horizontal force when promptly shock isolating pedestal begins to deform is fixed, and its damping force that is produced when deforming is also fixed.If the shock isolating pedestal that building usage level rigidity is bigger, when the less earthquake of earthquake magnitude took place, the external force that shock isolating pedestal is subjected to was less than the power of the minimum that can deform, and shock isolating pedestal does not deform, and can not play shock insulation, cushioning effect; If the shock isolating pedestal that building usage level rigidity is less, when when the bigger earthquake of earthquake magnitude takes place, the external force that shock isolating pedestal is subjected to may be greater than its maximum, force that can bear, shock isolating pedestal generation excessive deformation even breaking-up, the safety that jeopardizes building.
The utility model content
The technical problems to be solved in the utility model, a kind of shock isolating pedestal that becomes rigidity is provided, corresponding horizontal rigidity and damping force can be provided according to the difference of earthquake magnitude, less horizontal rigidity and damping force promptly be provided than small earthquake the time, bigger horizontal rigidity and damping force is provided when larger earthquake.
In order to address the above problem, the utility model provides a kind of rigidity-variable vibration-isolating support seat, comprises upper bracket, the undersetting that horizontal dimension is bigger than upper bracket, the upper junction plate of fixedlying connected with top-out and the lower connecting plate that is fixedly linked with the bottom building; Upper bracket is fixedlyed connected with upper junction plate, and undersetting is fixedlyed connected with lower connecting plate, links to each other by median septum between upper bracket and the undersetting; Upper bracket is arranged with stopping means, fixedlys connected with upper junction plate in the upper end of stopping means, and the lower end of stopping means is lower than median septum and leaves the gap with median septum.When being subjected to less impact force, the less upper bracket of horizontal rigidity just deforms, and undersetting does not deform; When impact force strengthened, the stopping means that links to each other with upper spacer contacted with median septum, also begins to deform thereby drive the undersetting with big horizontal rigidity, thereby stronger shock insulation, damping capacity is provided.
As preferably, stopping means is spacing steel cylinder, and spacing steel cylinder is enclosed within outward that upper bracket is outer and leave the gap with median septum, fixedlys connected with upper junction plate in the upper end of spacing steel cylinder, and the lower end of spacing steel cylinder is lower than between median septum and the median septum leaves the gap.
In order to strengthen the bonding strength between spacing steel cylinder and the upper junction plate, as preferably, a plurality of stiffeners evenly are set in the spacing steel cylinder outside, stiffener is fixedlyed connected with spacing steel cylinder with upper junction plate respectively.
As one of preferred, stiffener has four, evenly is arranged on the spacing steel cylinder outside.
As one of preferred, stiffener has eight, evenly is arranged on the spacing steel cylinder outside.
In order to improve the damping capacity of rigidity-variable vibration-isolating support seat, lead for retractable pencil can be installed at the middle part of upper bracket and/or undersetting.
In order to improve the resistance to tension of rigidity-variable vibration-isolating support seat, tensile resistance rod can be installed at the middle part of upper bracket and/or undersetting.
For damping capacity and the resistance to tension that improves rigidity-variable vibration-isolating support seat simultaneously, as one of preferred, lead for retractable pencil is installed at the middle part of upper bracket, at the middle part of undersetting tensile resistance rod is installed.
For damping capacity and the resistance to tension that improves rigidity-variable vibration-isolating support seat simultaneously, as one of preferred, lead for retractable pencil is installed at the middle part of undersetting, the middle part of upper bracket is equipped with tensile resistance rod.
As preferably, the upper bracket of above-mentioned rigidity-variable vibration-isolating support seat and undersetting are cylindrical.
Rigidity-variable vibration-isolating support seat of the present utility model can provide different horizontal rigidity and damping forces under different stresses, can satisfy shock insulation, the shock attenuation needs of middle-high building when the earthquake that runs into different brackets, effectively reduce the influence of earthquake disaster, ensure the security of the lives and property.
Description of drawings
Fig. 1 is the structural representation of the embodiment 1 of rigidity-variable vibration-isolating support seat of the present utility model;
Fig. 2 removes schematic top plan view behind the upper junction plate for Fig. 1;
Schematic diagram when Fig. 3 deforms for the upper bracket of rigidity-variable vibration-isolating support seat of the present utility model;
Schematic diagram when Fig. 4 all deforms for the upper and lower bearing of rigidity-variable vibration-isolating support seat of the present utility model;
Fig. 5 is the structural representation of the embodiment 2 (there is lead for retractable pencil at the upper bracket middle part) of rigidity-variable vibration-isolating support seat of the present utility model;
Fig. 6 is the structural representation of the embodiment 3 (there is lead for retractable pencil at the undersetting middle part) of rigidity-variable vibration-isolating support seat of the present utility model;
Fig. 7 is the structural representation of rigidity-variable vibration-isolating support seat embodiment 4 of the present utility model (all there is lead for retractable pencil at upper and lower bearing middle part);
Fig. 8 is the structural representation of rigidity-variable vibration-isolating support seat embodiment 5 of the present utility model (all there is tensile resistance rod at upper and lower bearing middle part);
Fig. 9 is the structural representation of rigidity-variable vibration-isolating support seat embodiment 6 of the present utility model (there is tensile resistance rod at the upper bracket middle part);
Figure 10 is the structural representation of rigidity-variable vibration-isolating support seat embodiment 7 of the present utility model (there is tensile resistance rod at the undersetting middle part);
Figure 11 is the structural representation of rigidity-variable vibration-isolating support seat embodiment 8 of the present utility model (the upper bracket middle part has lead for retractable pencil, undersetting middle part that tensile resistance rod is arranged);
Figure 12 is the structural representation of rigidity-variable vibration-isolating support seat embodiment 9 of the present utility model (the upper bracket middle part has tensile resistance rod, undersetting middle part that lead for retractable pencil is arranged).
Description of reference numerals
1 upper bracket, 2 undersettings, 3 upper junction plates, 4 lower connecting plates
5 lead for retractable pencils, 6 tensile resistance rods, 11 upper spacers, 12 median septums
13 lower clapboards, 7 stopping means, 70 spacing steel cylinder 71 stiffeners
The specific embodiment
Describe embodiment of the present utility model with reference to the accompanying drawings in detail.
As shown in Figure 1 and Figure 2, the embodiment 1 of rigidity-variable vibration-isolating support seat of the present utility model comprises the undersetting 2 that upper bracket 1, horizontal dimension are bigger than upper bracket 1, upper junction plate 3 of fixedlying connected with top-out and the lower connecting plate 4 that is fixedly linked with the bottom building; Upper bracket 1 in the present embodiment 1 and undersetting 2 are that example describes with columniform laminated rubber bases all, and upper bracket 1 and undersetting 2 also can be other shape certainly, as long as can realize the purpose of this utility model.Upper bracket 1 is fixedlyed connected with upper junction plate 3, and undersetting 2 is fixedlyed connected with lower connecting plate 4, links to each other by median septum 12 between upper bracket 1 and the undersetting 2; Upper bracket 1 is arranged with the stopping means 7 that leaves the gap with median septum 12, in the present embodiment, stopping means 7 is spacing steel cylinder 70, spacing steel cylinder 70 is set in outside the upper bracket 1 and with upper junction plate 3 fixedlys connected, in order to play the position-limiting action to central dividing plate 12, the lower end of spacing steel cylinder 70 is lower than median septum 12.Wherein, upper bracket 1 is fixedlyed connected with the upper junction plate 3 of concreting by the upper spacer 11 that is located at its upper end, and undersetting 2 is fixedlyed connected with the lower connecting plate 4 of concreting by the lower clapboard 13 that is located at its lower end.
In order to strengthen the bonding strength between spacing steel cylinder 70 and the upper junction plate 3, spacing steel cylinder 70 outsides evenly are provided with a plurality of stiffeners 71, and stiffener 71 is fixedlyed connected with spacing steel cylinder 70 with upper junction plate 3 respectively.
As shown in Figure 2, stiffener 71 is eight, evenly is arranged on the spacing steel cylinder outside.Certainly, stiffener 71 also can for four or other more than or equal to 2 even number.
Below be that example illustrates how rigidity-variable vibration-isolating support seat of the present utility model provides varying level rigidity according to different external force with embodiment 1.Implement in 1, upper bracket 1 and undersetting 2 all are laminated rubber bases, because undersetting 2 is bigger than the horizontal dimension of upper bracket 1, its horizontal rigidity is also big than upper bracket 1.As shown in Figure 3, when building is subjected to wind load or run into the lower earthquake of earthquake magnitude, the upper junction plate 3 that is connected with top-out and with lower connecting plate 4 that bottom building is connected between be subjected to the external force effect, the less upper bracket 1 of horizontal rigidity begins to deform, undersetting 2 does not deform, occurred level displacement between upper junction plate 3 and the lower connecting plate 4 can be played the effect of shock insulation, damping when running into less impact force.As shown in Figure 4, when building runs into the higher earthquake of earthquake magnitude, upper bracket 1 distortion, with its fixing upper junction plate 3 occurred level displacements, drive spacing steel cylinder 70 motions, up to contacting with median septum 12, applied external force is delivered on the median septum 12 by spacing steel cylinder 70, and then affact on the undersetting 2, thereby the bigger undersetting of horizontal rigidity 2 is deformed, and the horizontal rigidity of undersetting 2 is bigger, in the time of can bearing bigger impact force, when the earthquake of big earthquake magnitude took place, rigidity-variable vibration-isolating support seat of the present utility model also can play shock insulation, cushioning effect.
The embodiment 2 of rigidity-variable vibration-isolating support seat of the present utility model as shown in Figure 5 in order to improve the damping characteristic of rigidity-variable vibration-isolating support seat when being subjected to less external force, installs lead for retractable pencil 5 at the middle part of upper bracket 1.
The embodiment 3 of rigidity-variable vibration-isolating support seat of the present utility model as shown in Figure 6 in order to improve the damping characteristic of rigidity-variable vibration-isolating support seat when being subjected to big external force, installs lead for retractable pencil 5 at the middle part of undersetting 2.
The embodiment 4 of rigidity-variable vibration-isolating support seat of the present utility model as shown in Figure 7 for the damping characteristic of the integral body that improves rigidity-variable vibration-isolating support seat, all installs lead for retractable pencil 5 at the middle part of upper bracket 1 and undersetting 2.Lead for retractable pencil 5 can increase the damping force of rigidity-variable vibration-isolating support seat, strengthens its energy dissipation capacity, plays buffering effect preferably.
The embodiment 5 of rigidity-variable vibration-isolating support seat of the present utility model as shown in Figure 8 in order to improve the resistance to tension of rigidity-variable vibration-isolating support seat when being subjected to less external force, has tensile resistance rod 6 in the upper bracket 1.
The embodiment 6 of rigidity-variable vibration-isolating support seat of the present utility model as shown in Figure 9, in order to improve the resistance to tension of rigidity-variable vibration-isolating support seat when being subjected to big external force, the middle part of undersetting 2 is equipped with tensile resistance rod 6.
The embodiment 7 of rigidity-variable vibration-isolating support seat of the present utility model as shown in figure 10 in order to improve the whole resistance to tension of rigidity-variable vibration-isolating support seat, all installs tensile resistance rod 6 at the middle part of upper bracket 1 and undersetting 2.Tensile resistance rod 6 can improve the resistance to tension of rigidity-variable vibration-isolating support seat vertical direction, also can increase its rigidity in the horizontal direction simultaneously.
The embodiment 8 of rigidity-variable vibration-isolating support seat of the present utility model as shown in figure 11, for damping characteristic and the resistance to tension that improves rigidity-variable vibration-isolating support seat simultaneously, lead for retractable pencil 5 is installed at middle part at upper bracket 1, tensile resistance rod 6 is installed at middle part at undersetting 2, improve its damping force when being subjected to less external force, increased its resistance to tension when being subjected to big external force.Lead for retractable pencil 5 can consumed energy, plays the effect of damping, thus the protection building.When the external force that is subjected to was big, tensile resistance rod 6 can provide stronger resistance to tension, prevents rigidity-variable vibration-isolating support seat by the outside destroy on the vertical direction, and then the safety of harm building.
Rigidity-variable vibration-isolating support seat embodiment 9 of the present utility model as shown in figure 12 for damping characteristic and the resistance to tension that improves rigidity-variable vibration-isolating support seat simultaneously, can also install lead for retractable pencil 5 at the middle part of undersetting 2, and tensile resistance rod 6 is installed at the middle part of upper bracket 1.Tensile resistance rod 6 can improve the resistance to tension of rigidity-variable vibration-isolating support seat when being subjected to less external force, simultaneously lead for retractable pencil 5 can be when external force be big consumed energy, reach the purpose of shock insulation, damping jointly.
Embodiment 2-9 is in that to run into situation and embodiment 1 that external force deforms similar, just after upper bracket 1 or undersetting 2 middle parts increase lead for retractable pencil 5, can increase its damping force, strengthens its energy dissipation capacity; Can improve the ability that it resists vertical direction external force after increasing tensile resistance rod 6, prevent to destroy when external force is big employed rigidity-variable vibration-isolating support seat.
Rigidity-variable vibration-isolating support seat of the present utility model can be when being subjected to less load such as wind load or small earthquake take place, provide less shock insulation, damping capacity by upper bracket 1, when larger earthquake takes place, provide bigger shock insulation, damping capacity by upper bracket 1 and undersetting 2, can satisfy the shock insulation demand under the different situations of middle-high building.Be applied in building, bridge engineering field, can effectively reduce the influence of earthquake disaster, ensure the security of the lives and property.
Certainly; the above is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection domain of the present utility model.
Claims (10)
1. a rigidity-variable vibration-isolating support seat is characterized in that, comprises upper bracket, undersetting, upper junction plate of fixedlying connected with top-out and the lower connecting plate of fixedlying connected with the bottom building that horizontal dimension is bigger than described upper bracket; Described upper bracket is fixedlyed connected with described upper junction plate, and described undersetting is fixedlyed connected with described lower connecting plate, links to each other by median septum between described upper bracket and the described undersetting; Described upper bracket is arranged with stopping means, fixedlys connected with described upper junction plate in the upper end of described stopping means, and the lower end of described stopping means is lower than described median septum and leaves the gap with described median septum.
2. rigidity-variable vibration-isolating support seat as claimed in claim 1, it is characterized in that, described stopping means is spacing steel cylinder, described spacing steel cylinder is set in outside the described upper bracket, fixedly connected with described upper junction plate in the upper end of described spacing steel cylinder, the lower end of described spacing steel cylinder be lower than described median septum and and described median septum between leave the gap.
3. rigidity-variable vibration-isolating support seat as claimed in claim 2 is characterized in that, the described spacing steel cylinder outside evenly is provided with a plurality of stiffeners, and described stiffener is fixedlyed connected with described spacing steel cylinder with described upper junction plate respectively.
4. rigidity-variable vibration-isolating support seat as claimed in claim 3 is characterized in that, described stiffener is four.
5. rigidity-variable vibration-isolating support seat as claimed in claim 3 is characterized in that, described stiffener has eight.
6. rigidity-variable vibration-isolating support seat as claimed in claim 1 is characterized in that, at the middle part of described upper bracket and/or undersetting lead for retractable pencil is installed.
7. rigidity-variable vibration-isolating support seat as claimed in claim 1 is characterized in that, at the middle part of described upper bracket and/or undersetting tensile resistance rod is installed.
8. rigidity-variable vibration-isolating support seat as claimed in claim 1 is characterized in that, at the middle part of described upper bracket lead for retractable pencil is installed, and the middle part of described undersetting is equipped with tensile resistance rod.
9. rigidity-variable vibration-isolating support seat as claimed in claim 1 is characterized in that, at the middle part of described undersetting lead for retractable pencil is installed, and the middle part of described upper bracket is equipped with tensile resistance rod.
10. rigidity-variable vibration-isolating support seat as claimed in claim 1 is characterized in that, described upper bracket and described undersetting are cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202567150U CN201722602U (en) | 2010-07-09 | 2010-07-09 | Variable-stiffness vibration-insulation support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202567150U CN201722602U (en) | 2010-07-09 | 2010-07-09 | Variable-stiffness vibration-insulation support |
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| Publication Number | Publication Date |
|---|---|
| CN201722602U true CN201722602U (en) | 2011-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202567150U Expired - Fee Related CN201722602U (en) | 2010-07-09 | 2010-07-09 | Variable-stiffness vibration-insulation support |
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| CN (1) | CN201722602U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881090A (en) * | 2010-07-09 | 2010-11-10 | 中国建筑科学研究院 | Variable-rigidity shock insulation support |
| CN102733483A (en) * | 2012-07-02 | 2012-10-17 | 大连理工大学 | Variable rigidity shock insulation integral intelligent support seat |
| CN104032847A (en) * | 2014-06-18 | 2014-09-10 | 辽宁工程技术大学 | Composite earthquake isolating support seat based on displacement control |
| CN104595416A (en) * | 2014-12-03 | 2015-05-06 | 上海大学 | Separation type damping energy consumption three-dimensional seismic isolation support |
| CN105909721A (en) * | 2016-05-20 | 2016-08-31 | 河海大学 | Series-stiffness, broadband and magnetorheological intelligent vibration absorbing device |
| CN106592805A (en) * | 2016-12-30 | 2017-04-26 | 上海建工集团股份有限公司 | Slippage shearing soft steel damper and molding method of constitutive model thereof |
| CN108487049A (en) * | 2018-02-26 | 2018-09-04 | 北京建筑大学 | A kind of shock isolating pedestal |
| CN109505270A (en) * | 2019-01-14 | 2019-03-22 | 兰州理工大学 | A kind of limit reinforcement system of laminated rubber bearing bridge |
| CN115787879A (en) * | 2022-12-21 | 2023-03-14 | 北京建筑大学 | Vertical lift-off adjustable shock insulation support |
-
2010
- 2010-07-09 CN CN2010202567150U patent/CN201722602U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881090A (en) * | 2010-07-09 | 2010-11-10 | 中国建筑科学研究院 | Variable-rigidity shock insulation support |
| CN102733483A (en) * | 2012-07-02 | 2012-10-17 | 大连理工大学 | Variable rigidity shock insulation integral intelligent support seat |
| CN104032847A (en) * | 2014-06-18 | 2014-09-10 | 辽宁工程技术大学 | Composite earthquake isolating support seat based on displacement control |
| CN104032847B (en) * | 2014-06-18 | 2016-05-04 | 辽宁工程技术大学 | A kind of compounded shock isolating pedestal based on displacement control |
| CN104595416A (en) * | 2014-12-03 | 2015-05-06 | 上海大学 | Separation type damping energy consumption three-dimensional seismic isolation support |
| CN105909721A (en) * | 2016-05-20 | 2016-08-31 | 河海大学 | Series-stiffness, broadband and magnetorheological intelligent vibration absorbing device |
| CN106592805A (en) * | 2016-12-30 | 2017-04-26 | 上海建工集团股份有限公司 | Slippage shearing soft steel damper and molding method of constitutive model thereof |
| CN106592805B (en) * | 2016-12-30 | 2022-08-09 | 上海建工集团股份有限公司 | Sliding shearing mild steel damper and modeling method of constitutive model thereof |
| CN108487049A (en) * | 2018-02-26 | 2018-09-04 | 北京建筑大学 | A kind of shock isolating pedestal |
| CN109505270A (en) * | 2019-01-14 | 2019-03-22 | 兰州理工大学 | A kind of limit reinforcement system of laminated rubber bearing bridge |
| CN115787879A (en) * | 2022-12-21 | 2023-03-14 | 北京建筑大学 | Vertical lift-off adjustable shock insulation support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110126 Termination date: 20170709 |