CN201593246U - Improved tensile laminated rubber vibration isolating supporting seat - Google Patents
Improved tensile laminated rubber vibration isolating supporting seat Download PDFInfo
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- CN201593246U CN201593246U CN2009202634504U CN200920263450U CN201593246U CN 201593246 U CN201593246 U CN 201593246U CN 2009202634504 U CN2009202634504 U CN 2009202634504U CN 200920263450 U CN200920263450 U CN 200920263450U CN 201593246 U CN201593246 U CN 201593246U
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- extension spring
- laminated rubber
- connection plate
- elastic body
- rubber elastic
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Abstract
The utility model relates to an improved tensile laminated rubber vibration isolating supporting seat, which comprises an upper connection plate (2), a lower connection plate (3) and a laminated rubber elastic body (1) clamped between the upper connection plate and the lower connection plate. The supporting seat is characterized in that a plurality of post-shaped holes (10) parallel to center lines are evenly distributed inside the laminated rubber elastic body (1) and around the perpendicular center lines of the laminated rubber elastic body (1); an extension spring (4) is arranged inside each post-shaped hole (10); stepped holes (6) are respectively arranged on the upper connection plate (2) and the lower connection plate (3) at the corresponding positions of two tips of each extension spring (4); steel wires of spiral bodies (4-1) surrounding the extension springs (4) respectively extend to the stepped holes (6) towards two tips; two radial extension T-shaped heads (4-2) are respectively arranged at two end tips of each steel wire; and the T-shaped heads (4-2) movably matching with the stepped holes (6) hook and pull the spiral bodies (4-1) of the extension springs (4) to be positioned between the upper connection plate (2) and the lower connection plate (3). The supporting seat can provide additional pulling force for restoration of buildings after earthquake.
Description
Technical field
The utility model relates to a kind of building unit that is used for antidetonation (or shaking), is specifically related to a kind of laminated rubber damping bearing.
Background technology
Laminated rubber damping bearing is a two-dimentional shock insulation member commonly used in the against shock engineering, and this member mainly is molded vulcanization one rubber and the steel plate layer formation that be superimposed between last lower connecting plate.This laminated rubber damping bearing not only can carry permanent loads such as building, and has good horizontal deformability and damping energy dissipation ability, therefore can separate the horizontal force of building and earthquake effectively.But, the resistance to tension of existing laminated rubber damping bearing is relatively poor relatively, be difficult to satisfy the requirement of the shock insulation of highrise building, because earthquake itself has the multidimensional characteristic, especially the highly seismic region that is positioned at earthquake is easy to cause highrise building to wave even topples, and requires shock isolating pedestal can bear huge pulling force.Tensile stress bearing before a certain numerical value shows as elasticity, surpasses this numerical value, then shows as surrender, after crossing yield point, though outward appearance is not seen damage, inner because the metamorphosis that stretched can produce many emptying apertures, can occur rubber layer fracture or rubber/steel plate interfacial adhesion when serious and destroy.
Office's notice of authorization on August 29th, 2007 has been known by the state utility model patent of " a kind of laminated rubber damping bearing " (notice of authorization number for CN200940296) with tension effect, the feature of this patent scheme is around uniform at least three the flexible tension members of symmetrical centre wire loop in the rubber pad, the middle bent of this flexibility tension member places in the centre bore of rubber pad, two is fixed on the both ends of the surface up and down of rubber pad, and requires the spread length of flexible tension member to be not more than the tensile elasticity deflection of rubber pad.Though above-mentioned utility model scheme both can improve the anti-ability of waving even toppling of high-rise building, also cocoa protects the overall structure of rubber pad and shock isolating pedestal not to be destroyed effectively, but because described flexible tension member is a wire rope, therefore obviously have following deficiency: 1, the tensile elasticity deflection of wire rope is minimum, can't produce the damping energy dissipation effect when earthquake is thrown building or make it to wave; 2, wire rope is a kind of non-elastic member, and its tensioning degree is difficult to control, the tight shear strain that influence rubber pad, loose protective effect can lose the rubber pad tension time; 3, because the initial stage wire rope of tension can free spread length, the early stage rigidity of whole bearing is that the physical characteristic by the material of laminated rubber is determined, therefore can't preset adjustment to rigidity morning of bearing according to actual needs, the wind of obvious uncontrollable building carries reaction and opposing microseismic activity; 4, when the displacement of building is not in the tensile elasticity deformation range at wire rope, additional pulling force is provided for resetting of building, therefore only depend on the rigidity of rubber pad self often to be difficult to building is resetted fully greatly the time when structural quality; 5, wire rope is arranged in the centre bore of rubber pad, when the monolateral tension of bearing (when toppling as building), the laminated rubber of tension side is not had protective effect, and the laminated rubber of bearing tension side still has the danger that is torn.
Summary of the invention
In view of there is above-mentioned deficiency in prior art, technical problem to be solved in the utility model provides and a kind ofly can provide the modified tensile laminate rubber shock-insulation bracket of additional pulling force for building resets.
The technical solution that the utility model solves the problems of the technologies described above is:
A kind of modified tensile laminate rubber shock-insulation bracket, this bearing comprises upper junction plate, lower connecting plate and be clamped in the up and down laminated rubber elastic body between two junction plates, it is characterized in that, be evenly equipped with several cylindrical holes parallel around its vertical center line in the elastomeric body of laminated rubber with described center line, be provided with an extension spring in each cylindrical hole, be respectively equipped with shoulder hole on the upper junction plate of each extension spring two correspondence position and the lower connecting plate, the spirochetal steel wire of coiling extension spring is respectively in two extends to described shoulder hole, the termination is established the T shape head of a radial dilatation respectively, and this T shape head and described shoulder hole draw the conveyor screw hook of extension spring between upper junction plate and lower connecting plate movingly.
Shock isolating pedestal described in the utility model, wherein, described cylindrical hole can be cylindrical, also square column type, preferably the former.Steel plate when shock isolating pedestal is out of shape in the laminated rubber elastic body arrives on the conveyor screw of extension spring and influences the operate as normal of extension spring, and the internal diameter of described cylindrical hole should be greater than the external diameter of extension spring.
Shock isolating pedestal described in the utility model, wherein, the T shape head that extension spring is is to be formed by the direct radial dilatation of the steel wire head of coiling extension spring, the T shape head of other end is to be threaded on the steel wire head of coiling extension spring and to fix a countersunk head round nut to constitute.Above-mentioned improvement project not only is convenient to the installation of extension spring, and can adjust extension spring prestretching length by the countersunk head round nut, and then makes the early stage extensional rigidity of the whole bearing of adjustment become convenient more.
In order to improve early stage rigidity, carry the microseismic activity of reaction and opposing ground with control building wind, also can set up some lead rods in the laminated rubber elastic body of modified tensile laminate rubber shock-insulation bracket described in the utility model, this lead rod vertically crosses described laminated rubber elastic body and evenly distributes around the elastomeric vertical center line of laminated rubber.When described lead rod is one, just it is arranged on laminated rubber elastic body center.
Modified tensile laminate rubber shock-insulation bracket described in the utility model can be circular, also can be rectangle, and promptly when laminated rubber elastic body when being cylindrical, last lower connecting plate can be circular steel plate, also can be square steel plate; When laminated rubber elastic body when being square, last lower connecting plate then is square steel plate.
Because extension spring constitutes modified tensile laminate rubber shock-insulation bracket described in the utility model setting up in laminated rubber elastic body body on the common laminated rubber damping bearing basis, therefore not only significantly improve the tensile strength of common laminated rubber damping bearing, and utilized the firm elasticity of extension spring that the additional pulling force that building is resetted is provided for bearing.The utility model also has following outstanding advantage and significant effect than prior art in addition: 1, the tensile elasticity deflection of extension spring is much larger than the elastomeric tensile elasticity deflection of laminated rubber, and its tension force and deflection are linear change, do not have other uncertain factor, so designing and calculating is convenient and make theoretical calculating consistent with actual effect easily; 2, can adjust its default tensile stress by adjusting extension spring prestretched degree, thereby reach the purpose of the default early stage extensional rigidity of whole bearing; 3, extension spring is provided with the elastomeric periphery of laminated rubber, and when the vertical tension of bearing (when toppling as building), extension spring not only at first enters duty, and carrying pulling force maximum, can effectively protect the laminated rubber elastic body at middle part.
Description of drawings
Fig. 1～3 are the structural representation of a specific embodiment of modified tensile laminate rubber shock-insulation bracket described in the utility model, and wherein, Fig. 1 is front view (A-A of Fig. 2 analyses and observe), and Fig. 2 is a vertical view, and Fig. 3 is the B-B sectional drawing of Fig. 1.
Fig. 4 is the structural representation of a specific embodiment of the syndeton of extension spring described in the utility model and upper junction plate or lower connecting plate.
Fig. 5 and Fig. 6 are the structural representation of another specific embodiment of modified tensile laminate rubber shock-insulation bracket described in the utility model, and wherein, Fig. 5 is a front view, and Fig. 6 is the C-C sectional drawing of Fig. 5.
Fig. 7～9 are the structural representation of a specific embodiment again of modified tensile laminate rubber shock-insulation bracket described in the utility model, and wherein, Fig. 7 is a front view, and Fig. 8 is a vertical view, and Fig. 9 is the D-D sectional drawing of Fig. 7.
Figure 10 is the cross-sectional structure schematic diagram of the another specific embodiment of modified tensile laminate rubber shock-insulation bracket described in the utility model.
Figure 11 a～11d is the duty of modified tensile laminate rubber shock-insulation bracket described in the utility model extension spring under various stresses, wherein, Figure 11 a is a nature, and Figure 11 b is for shearing tension state, Figure 11 c is a pressured state, and Figure 11 d is vertical tension state.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is explained in further detail,, fully understands the beneficial effect that the utility model has, but the utility model is not limited by described embodiment so that the public grasps enforcement means of the present utility model better.
Referring to Fig. 1～3, whole bearing is made up of laminated rubber elasticity 1, upper junction plate 2, lower connecting plate 3 and six extension springs 4, and wherein, laminated rubber elasticity 1 is clamped in the middle of upper junction plate 2 and the lower connecting plate 3.Molded vulcanization constituted after the above-mentioned laminated rubber elasticity 1 that are clamped in upper junction plate 2 and lower connecting plate 3 centres were superimposed by an one deck rubber 1-1 and a steel plate 1-2, and its periphery forms rubber cover 1-3 naturally in the process of molded vulcanization; The center of described laminated rubber elasticity 1 is provided with centre bore 5, is evenly distributed with diameter than the cross section of the big 20mm of the extension spring 4 external diameters cylindrical hole 10 for circle around the axis of centre bore 5, is provided with an extension spring 4 in each cylindrical hole 10; In the described laminated rubber elasticity 1, be positioned at middle thick of the steel plate 1-2 at laminated rubber elasticity two about in the of 1, adopt screw 7 to fixedly connected with lower connecting plate 3 with upper junction plate 2 respectively so that screw is set.Be respectively equipped with shoulder hole 6 on the upper junction plate 2 of extension spring 4 two correspondence positions and the lower connecting plate 3, the steel wire of coiling extension spring 4 is respectively in two extends to described shoulder hole 6, the termination is provided with a T shape 4-2 of a radial dilatation, and this T shape 4-2 and described shoulder hole 6 draw the conveyor screw 4-1 hook of extension spring 4 between upper junction plate 2 and lower connecting plate 3 movingly.
Referring to Fig. 5 and Fig. 6, this example is to set up lead rod 8 to obtain on the basis of Fig. 1～3 illustrated embodiments.Specifically improving one's methods is with the expansion of the aperture of the centre bore 5 in Fig. 1～3 illustrated embodiments and is pressed into lead rod 8, and other structure is identical with Fig. 1～3 illustrated embodiments.
Referring to Fig. 7～9, this example is a kind of bearing of rectangular configuration, this bearing is a kind of modified product of Fig. 5 and 6 illustrated embodiments, it and Fig. 5 and 6 illustrated embodiment differences are, upper junction plate 2 and lower connecting plate 3 are rectangular steel plates, laminated rubber elasticity 1 is the hexahedron of rectangle for a kind of cross section, this hexahedral body is interior except that centre bore 5, also be provided with the cylindrical hole 10 of eight cross sections for circle, eight cylindrical holes 10 form one 3 * 3 dot matrix jointly around the even distribution of the axis of centre bore 5 and with centre bore 5, are provided with an extension spring 4 in each cylindrical hole 10.
Referring to Figure 10, this example is to do at following 2 to change formation on the basis of Fig. 7～9 illustrated embodiments, the first increases to four with lead rod 8 by one, and be that the vertical center line diagonal angle of the laminated rubber elasticity 1 of rectangle distributes around cross section, it two is that the cross section of eight cylindrical holes 10 is the square of the length of side than the big 15mm of extension spring 4 external diameters.
Above-mentioned Fig. 1～3, Fig. 5 and Fig. 6, Fig. 7～9 and embodiment illustrated in fig. 10 in extension spring 4 also can adopt improvement project shown in Figure 4, this scheme is specifically: a T shape 4-2 who is positioned at the shoulder hole 6 of lower connecting plate 3 is formed by the direct radial dilatation of the steel wire head of coiling extension spring 4, and a T shape 4-2 who is positioned at the shoulder hole 6 of upper junction plate 3 constitutes at the described steel wire head countersunk head round nut 9 that is threaded.In order to prevent that countersunk head round nut year is loosening for a long time, it is threaded with the steel wire head of coiling extension spring 4 and adjusts to after the required degree of prestretched weldering more extremely.
Referring to Figure 11 a and Fig. 4, turn the countersunk head round nut 9 in the shoulder hole 6 of upper junction plate 3 during assembling, the tensile stress of extension spring 4 is adjusted to design load, then that countersunk head round nut 9 is dead with the steel wire head weldering of coiling extension spring 4.At this moment, under the acting in conjunction of the extension spring 4 in being distributed in laminated rubber elasticity 1 body, whole shock isolating pedestal just obtains needed early stage tensible rigidity.Referring to Figure 11 b, when powerful shearing that earthquake produced is delivered to upper junction plate 2 and lower connecting plate 3, extension spring 4 just tilts with the relative displacement of upper junction plate 2 and lower connecting plate 3 and elongates, in case external force is cancelled, the internal tension of extension spring 4 just acts on upper junction plate 2 and the lower connecting plate 3, provides pulling force for building resets.Referring to Figure 11 c and Figure 11 d, when earthquake made the building vertical tremor or vacillates now to the left, now to the right, whole shock isolating pedestal must replace tension, pressurized.If pressurized, although laminated rubber elasticity 1 is compressed and shortens, because a T shape 4-2 and shoulder hole 6 are movingly, so pressure is all born (seeing Figure 11 c) by laminated rubber elasticity 1; In case tension, under the effect of a T shape 4-2, extension spring 4 just enters duty immediately, shares by upper junction plate 2 and lower connecting plate 3 and transmitting and next pulling force (seeing Figure 11 d).
Claims (5)
1. modified tensile laminate rubber shock-insulation bracket, this bearing comprises upper junction plate (2), lower connecting plate (3) and be clamped in the up and down laminated rubber elastic body (1) between two junction plates, it is characterized in that, be evenly equipped with several cylindrical holes parallel (10) around its vertical center line in the body of laminated rubber elastic body (1) with described center line, be provided with an extension spring (4) in each cylindrical hole (10), be respectively equipped with shoulder hole (6) on the upper junction plate (2) of each extension spring (4) two correspondence position and the lower connecting plate (3), the steel wire of the conveyor screw (4-1) of coiling extension spring (4) is respectively in two extends to described shoulder hole (6), the termination is established the T shape head (4-2) of a radial dilatation respectively, and this T shape head (4-2) and described shoulder hole (6) draw conveyor screw (4-1) hook of extension spring (4) between upper junction plate (2) and lower connecting plate (3) movingly.
2. a kind of modified tensile laminate rubber shock-insulation bracket according to claim 1, it is characterized in that, the T shape head (4-2) that described extension spring is (4) one is that the direct radial dilatation of steel wire head by coiling extension spring (4) forms, and the T shape head (4-2) of other end is to be threaded and to fix a countersunk head round nut (9) to constitute on the steel wire head of coiling extension spring (4).
3. a kind of modified tensile laminate rubber shock-insulation bracket according to claim 1 is characterized in that the internal diameter of described cylindrical hole (10) should be greater than the external diameter of extension spring (4).
4. a kind of modified tensile laminate rubber shock-insulation bracket according to claim 2 is characterized in that the internal diameter of described cylindrical hole (10) should be greater than the external diameter of extension spring (4).
5. according to the described a kind of modified tensile laminate rubber shock-insulation bracket of one of claim 1～4, it is characterized in that, also comprise some lead rods (8), this lead rod (8) vertically crosses laminated rubber elastic body (1), and evenly distributes around the vertical center line of laminated rubber elastic body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202634504U CN201593246U (en) | 2009-11-26 | 2009-11-26 | Improved tensile laminated rubber vibration isolating supporting seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202634504U CN201593246U (en) | 2009-11-26 | 2009-11-26 | Improved tensile laminated rubber vibration isolating supporting seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201593246U true CN201593246U (en) | 2010-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202634504U Expired - Fee Related CN201593246U (en) | 2009-11-26 | 2009-11-26 | Improved tensile laminated rubber vibration isolating supporting seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201593246U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105803927A (en) * | 2016-03-17 | 2016-07-27 | 四川万泰隔震科技有限公司 | Tensile anti-overturn shock-insulation rubber stand |
| CN106337593A (en) * | 2016-10-17 | 2017-01-18 | 南京大德减震科技有限公司 | Composite spring damper capable of pre-setting initial rigidity |
| CN110424806A (en) * | 2018-03-23 | 2019-11-08 | 浙江鸿安建设有限公司 | A kind of environmentally friendly damping device for building |
-
2009
- 2009-11-26 CN CN2009202634504U patent/CN201593246U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105803927A (en) * | 2016-03-17 | 2016-07-27 | 四川万泰隔震科技有限公司 | Tensile anti-overturn shock-insulation rubber stand |
| CN106337593A (en) * | 2016-10-17 | 2017-01-18 | 南京大德减震科技有限公司 | Composite spring damper capable of pre-setting initial rigidity |
| CN110424806A (en) * | 2018-03-23 | 2019-11-08 | 浙江鸿安建设有限公司 | A kind of environmentally friendly damping device for building |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100929 Termination date: 20161126 |