CN202039470U - Three-dimensional shock isolating and absorbing device - Google Patents
Three-dimensional shock isolating and absorbing device Download PDFInfo
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- CN202039470U CN202039470U CN2011201232417U CN201120123241U CN202039470U CN 202039470 U CN202039470 U CN 202039470U CN 2011201232417 U CN2011201232417 U CN 2011201232417U CN 201120123241 U CN201120123241 U CN 201120123241U CN 202039470 U CN202039470 U CN 202039470U
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Abstract
The utility model discloses a three-dimensional shock isolating and absorbing device which is provided with a laminated rubber shock-isolating support. The three-dimensional shock isolating and absorbing device is characterized in that: a vertical friction shock absorber is serially arranged at the lower part of the laminated rubber shock-isolating support; the shock absorber consists of an upper connecting plate (6), a lower connecting plate (7), a sleeve friction energy consumption structure arranged between the upper connecting plate and the lower connecting plate, and a plurality of spiral compression springs (13). The sleeve friction energy consumption structure consists of a guide drum (9) and a cylinder stopper (8), wherein the cylinder stopper (8) is inserted into the guide drum (9); viscoelasticity damping layers (10) are adhered to the matching surface of the cylinder stopper and the guide drum respectively; gaps (11) are left between the free ends of the cylinder stopper and the guide drum as well as the upper connecting plate (6) and the lower connecting plate (7); an exhaust hole (18) communicated with air is arranged on the wall of the guide drum (9) at the gap positions; and a vertical limiting rod (20) is arranged between the upper connecting plate (6) and the lower connecting plate (7). The vertical energy consumption capacity is obviously enhanced. In addition, when the horizontal vibration happens due to the earthquake or a building has a tendency in tilting, the viscoelasticity damping layers matched are extruded with each other and consume the energy, so as to improve the horizontal energy consumption capacity.
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 three-dimensional isolation damping device.
Background technology
The effect of shock insulation is structure and may causes that the earthquake of structural deterioration or vibration separate, reaches the purpose of protection structure.This separation is the flexibility by increasing system and provide suitable damping to realize generally; wherein, increase the coupling relation that system flexibility can have been removed member and ground vibration to a great extent, damping unit is used to consume the energy of earthquake input; the safety of structure has been protected in the The combined effect.For example, common lead for retractable pencil laminated rubber damping bearing in the building structure, constitute with the lead for retractable pencil that is arranged in this overlapping layers by the layer that is superimposed that passing through the rubber that forms of sulfuration and steel plate that is arranged between the junction plate, rubber wherein and steel plate overlapping layers have the good horizontal deformability, lead for retractable pencil has good power consumption effect, and both are in conjunction with can be effectively the horizontal force of building structure and earthquake being separated.But the resistance to tension of above-mentioned lead for retractable pencil laminated rubber damping bearing is relatively poor, and the effect of earthquake is a multidimensional, and the high-rise building that particularly is arranged in the earthquake highly seismic region is easy to wave even topple in earthquake, produces huge tensile stress.
For solving this technical problem, state known the office on August 29th, 2007 notice of authorization the utility model patent of " an a kind of laminated rubber shock isolating pedestal " with tension effect, the feature of this patent scheme is around uniform at least three the flexible tension members of symmetrical neutral conductor annular 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 tensile members to be not more than the tensile elasticity deflection of rubber pad.Above-mentioned patent scheme has big resistance to tension; can protect rubber pad and shock isolating pedestal integral body not to be destroyed effectively; improve the anti-ability of waving even toppling of high-rise building greatly; but because described flexible tension member is made by wire rope; described rubber pad then is superimposed to form by one deck rubber and one deck steel plate; therefore its vertical regime of elastic deformation is little, and vertical shock resistance is limited.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of three-dimensional isolation damping device, and this device has the effect of vertical damping power consumption preferably.
The technical scheme that the utility model addresses the above problem is:
A kind of three-dimensional isolation damping device, it has a laminated rubber damping bearing, is provided with at least three tension steel wires in this laminated rubber damping bearing, it is characterized in that,
The bottom string of described laminated rubber damping bearing is established a vertical friction damper, this damper is by upper junction plate, lower connecting plate and be located at the sleeve friction energy-dissipating structure between the lower connecting plate and some double helix compression spring set of being evenly distributed on around the sleeve friction energy-dissipating structure become, wherein
Described sleeve friction energy-dissipating structure by the guide of a geometric center that is fixed on lower connecting plate or upper junction plate be fixed on corresponding upper junction plate or the plunger on the lower connecting plate and form, wherein,
Described plunger is inserted in the guide, is bonded with visco-elastic damping layer on the fitting face between the two respectively;
Be provided with the gap between the free end of described plunger and guide and pairing upper junction plate and the lower connecting plate, the wall of the guide of this gap location is provided with the steam vent that is communicated with atmosphere, and its height is greater than the decrement of described spiral compression spring under static load;
At least uniform two vertical spacing bars between upper junction plate around the described sleeve friction energy-dissipating structure and the lower connecting plate, the higher authorities of this vertical spacing bar pass through the lower shoe and with it movingly of upper junction plate and described laminated rubber damping bearing, its two acts on respectively on upper junction plate and the lower connecting plate under the static load, makes distance between the two equal the length of spiral compression spring under the static load.
A kind of three-dimensional isolation damping device described in the utility model, wherein, with fixedly connected one deck cylinder stopcock concentric on upper junction plate of fixedlying connected of described plunger or the lower connecting plate with plunger; This cylinder stopcock is placed in outside the described guide, is bonded with visco-elastic damping layer on the fitting face between the two respectively;
Be provided with the gap between the free end of described cylinder stopcock and pairing lower connecting plate or the upper junction plate, its height is greater than the decrement of described spiral compression spring under static load; Be provided with the steam vent that is communicated with atmosphere at the free end of guide with gap location between pairing upper junction plate or the lower connecting plate on the wall of cylinder stopcock.
A kind of three-dimensional isolation damping device described in the utility model, wherein, with the outer guide of at least also fixedly connected one deck on lower connecting plate of fixedlying connected of described guide or the upper junction plate, the outer guide of each layer is all concentric with described guide; Described cylinder stopcock is at least one deck, and each layer is all concentric with described plunger;
Described outer guide is enclosed within outside the cylinder stopcock or is inserted between the two adjacent cylinder stopcock, and is bonded with visco-elastic damping layer on the fitting face of the two respectively;
Be equipped with the gap between the free end of described cylinder stopcock and outer guide and pairing upper junction plate and the lower connecting plate, the cylinder stopcock of this gap location and the wall of outer guide are provided with the steam vent that is communicated with atmosphere, and its height is greater than the decrement of described spiral compression spring under static load.
A kind of three-dimensional isolation damping device described in the utility model wherein, is equipped with buffer stopper on pairing upper junction plate of the free end of described plunger, guide, cylinder stopcock and outer guide and the lower connecting plate.
A kind of three-dimensional isolation damping device described in the utility model, wherein, described vertical spacing bar is located in the described spiral compression spring.
A kind of three-dimensional isolation damping device described in the utility model, wherein, two of described spiral compression spring is pressed on upper junction plate and the lower connecting plate by pressing plate respectively.
A kind of three-dimensional isolation damping device described in the utility model, wherein, the patent No. is that the utility model patent of 200620064024.2 " an a kind of laminated rubber shock isolating pedestal with tension effect " is identical in the laminated rubber damping bearing that described inside is provided with the tension steel wire and the prior art, and its specific embodiment can be carried out with reference to this patent scheme.
Three-dimensional isolation damping device described in the utility model, because string has been established a vertical friction damper in the bottom of existing tensile laminate rubber shock-insulation bracket, when earthquake produces vertical vibration, in plunger, guide, cylinder stopcock and the outer guide of vertical friction damper mutually both of interworking produces relative motion with the flexible of spiral compression spring, be arranged at visco-elastic damping layer on the fitting face and produce and rub and consume energy.This shows that compared with prior art, the vertical energy dissipation capacity of this patent scheme obviously strengthens.In addition, when earthquake produced horizontal vibration or building and has the trend of tumbling, the visco-elastic damping layer that matches also can mutual extrusion and power consumption, has also improved horizontal energy dissipation capacity.
In the further improvement of the utility model scheme, upper junction plate and lower connecting plate are provided with buffer stopper, make described plunger, guide, cylinder stopcock and interior guide in the vertical tremor process, produce extruding with corresponding buffer stopper, play the effect of buffering and power consumption, further improved vertical energy dissipation capacity.
Description of drawings
Fig. 1 and Fig. 2 are the structural representation of a specific embodiment of three-dimensional isolation damping device described in the utility model, and wherein Fig. 1 is a front view, and Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the structural representation of another specific embodiment of three-dimensional isolation damping device described in the utility model.
Fig. 4 is the structural representation of another specific embodiment of three-dimensional isolation damping device described in the utility model.
The specific embodiment
Referring to Fig. 1; laminated rubber damping bearing comprises envelope steel plate 1, lower seal steel plate 2, is arranged at the rubber pad 3 between envelope steel plate 1 and the lower seal steel plate 2 and is connected in the junction plate 4 that seals on the steel plate 1; wherein; molded vulcanization formed after described rubber pad 3 was superimposed by one deck rubber 3-1 and one deck steel plate 3-2; the center is provided with centre bore 3-4, and its periphery forms rubber cover 3-3 naturally in the molded vulcanization process.Be distributed with 8 high strength tension steel wires 5 around its axis in the described centre bore 3-4, its middle part free bend is in centre bore 3-4,8 apertures by inclination around the middle mind-set that are arranged on envelope steel plate 1 and the lower seal steel plate 2 are passed through at two respectively, and are welded on the outer face of envelope steel plate 1 or lower seal steel plate 2.Adopt screw 19 to link together between described junction plate 4 and the last envelope steel plate 1, be provided with 8 preformed holes that are connected with building structure around this junction plate 4; The bottom radial expansion of lower seal steel plate 2 becomes flange, and around 8 bolts hole that are connected with vertical friction damper are set.
Referring to Fig. 1 and Fig. 2, vertical friction damper is made of discoid upper junction plate 6 and lower connecting plate 7, sleeve friction energy-dissipating structure and 4 spiral compression springs 13 of being located between the lower connecting plate, wherein, be provided with 8 bolts hole around the described upper junction plate 6, and be connected with lower seal steel plate 2 by bolt 15; Described sleeve friction energy-dissipating structure is made of with the guide 9 that is fixed in lower connecting plate 7 upper center a plunger 8 that is fixed in upper junction plate 6 downside centers, described plunger 8 is inserted in the guide 9, is bonded with visco-elastic damping layer 10 on the fitting face between the two respectively; Be equipped with gap 11 between the free end of plunger 8 and guide 9 and pairing lower connecting plate 7 and the upper junction plate 6, the height in this gap 11 is greater than the decrement of described spiral compression spring 13 under static load, and wherein the wall of the guide 9 at 11 places, gap between the lower end of plunger 8 and the lower connecting plate 7 is provided with the steam vent 18 that is communicated with atmosphere.The upside of the lower connecting plate 7 corresponding with the lower end of described plunger 8 and with the downside of the corresponding upper junction plate 6 in the upper end of described guide 9 on be equipped with the buffer stopper 12 that rubber is made.Described 4 spiral compression springs 13 be evenly distributed on sleeve friction energy-dissipating structure around, each root spiral compression spring 13 two is pressed on upper junction plate 6 and the lower connecting plate 7 by pressing plate 14 respectively, described pressing plate 14 is a rectangle, its two is provided with the circular hole that wears screw 19, and the inboard of two circular holes is provided with the deep-slotted chip breaker that matches with spiral compression spring 13 head steel wires.
Referring to Fig. 1 and Fig. 2, being provided with 4 between described upper junction plate 6 and the lower connecting plate 7 has root vertical spacing bar 20, and every vertical spacing bar 20 is located in respectively in the spiral compression spring 13; Following of vertical spacing bar 20 is provided with the head of a nail, and this head of a nail is embedded in the counterbore of lower connecting plate 7 downsides, and welds together with lower connecting plate 7; The higher authorities of vertical spacing bar 20 pass through upper junction plate 6 and lower seal steel plate 2 and with they movingly, these the higher authorities are arranged with a nut in the part of stretching out lower seal steel plate 2, under the static load, this nut is pressed on the lower seal steel plate 2.
Referring to Fig. 3, present embodiment is with the difference of embodiment 1: the downside of upper junction plate 6 is fixedlyed connected the concentric cylinder stopcock 16 of one deck and plunger 8, this cylinder stopcock 16 is placed in outside the guide 9 on the lower connecting plate 7, is bonded with visco-elastic damping layer 10 on the fitting face between the two respectively; Be provided with gap 11 between the lower end of cylinder stopcock 16 and the lower connecting plate 7, the height in this gap 11 is greater than the decrement of described spiral compression spring 13 under static load; Be provided with the steam vent 18 that is communicated with atmosphere in the upper end of guide 9 with 11 places, gap between the upper junction plate 6 on the wall of cylinder stopcock 16; The upside of the lower connecting plate 7 corresponding with the lower end of cylinder stopcock 16 is provided with the buffer stopper 12 that rubber is made.
Referring to Fig. 4, present embodiment further improves on the basis of embodiment 2 and obtains, its improvements are: the upside of lower connecting plate 7 is provided with the concentric outer guide 17 of one deck and described guide 9, should be placed in outside the described cylinder stopcock 16 by outer guide 17, be bonded with visco-elastic damping layer 10 on the fitting face between the two respectively; Be provided with gap 11 between the upper end of outer guide 17 and the upper junction plate 6, the height in this gap 11 is greater than the decrement of described spiral compression spring 13 under static load; Be provided with the steam vent 18 that is communicated with atmosphere in the lower end of cylinder stopcock 16 with 11 places, gap between the lower connecting plate 7 on the wall of outer guide 17; The downside of the upper junction plate 6 corresponding with the upper end of outer guide 17 is provided with the buffer stopper 12 that rubber is made.
Claims (6)
1. three-dimensional isolation damping device, it has a laminated rubber damping bearing, is provided with at least three tension steel wires (5) in this laminated rubber damping bearing, it is characterized in that,
The bottom string of described laminated rubber damping bearing is established a vertical friction damper, this damper is by upper junction plate (6), lower connecting plate (7) and be located at the sleeve friction energy-dissipating structure between the lower connecting plate and some double helix compression springs (13) of being evenly distributed on around the sleeve friction energy-dissipating structure are formed, wherein
Described sleeve friction energy-dissipating structure is made up of with the plunger (8) on being fixed on corresponding upper junction plate (6) or lower connecting plate (7) a guide (9) that is fixed on the geometric center of lower connecting plate (7) or upper junction plate (6), wherein,
Described plunger (8) is inserted in the guide (9), is bonded with visco-elastic damping layer (10) on the fitting face between the two respectively;
Be provided with gap (11) between the free end of described plunger (8) and guide (9) and pairing upper junction plate (6) and the lower connecting plate (7), the wall of the guide (9) that this gap (11) is located is provided with the steam vent (18) that is communicated with atmosphere, and its height is greater than the decrement of described spiral compression spring (13) under static load;
At least uniform two vertical spacing bars (20) between upper junction plate (6) around the described sleeve friction energy-dissipating structure and the lower connecting plate (7), the higher authorities of this vertical spacing bar (20) pass through the lower seal steel plate (2) and with it movingly of upper junction plate (6) and described laminated rubber damping bearing, its two acts on respectively on upper junction plate (6) and the lower connecting plate (7) under the static load, makes distance between the two equal the length of spiral compression spring under the static load (13).
2. a kind of three-dimensional isolation damping device according to claim 1 is characterized in that, goes up fixedly connected one deck cylinder stopcock (16) concentric with plunger (8) with described (8) upper junction plates of fixedlying connected of plunger (6) or lower connecting plate (7); This cylinder stopcock (16) is placed in outside the described guide (9), is bonded with visco-elastic damping layer (10) on the fitting face between the two respectively;
Be provided with gap (11) between the free end of described cylinder stopcock (16) and pairing lower connecting plate (7) or the upper junction plate (6), its height is greater than the decrement of described spiral compression spring (13) under static load; Locate to be provided with the steam vent (18) that is communicated with atmosphere at the free end that is positioned at guide (9) with the gap (11) between pairing upper junction plate (6) or the lower connecting plate (7) on the wall of cylinder stopcock (16).
3. a kind of three-dimensional isolation damping device according to claim 2, it is characterized in that, with the outer guide (17) of at least also fixedly connected one deck on described (9) lower connecting plates of fixedlying connected of guide (7) or the upper junction plate (6), each outer guide of layer (17) is all concentric with described guide (9); Described cylinder stopcock (16) is at least one deck, and each layer is all concentric with described plunger (8);
Described outer guide (17) is enclosed within outside the cylinder stopcock (16) or is inserted between adjacent two cylinder stopcock (16), and is bonded with visco-elastic damping layer (10) on the fitting face of the two respectively;
Be equipped with gap (11) between the free end of described cylinder stopcock (16) and outer guide (17) and pairing upper junction plate (6) and the lower connecting plate (7), the cylinder stopcock (16) that this gap (11) is located and the wall of outer guide (17) are provided with the steam vent (18) that is communicated with atmosphere, and its height is greater than the decrement of described spiral compression spring (13) under static load.
4. a kind of three-dimensional isolation damping device according to claim 3, it is characterized in that, be equipped with buffer stopper (12) on the pairing upper junction plate of free end (6) of described plunger (8), guide (9), cylinder stopcock (16) and outer guide (17) and the lower connecting plate (7).
5. according to the described a kind of three-dimensional isolation damping device of one of claim 1～4, it is characterized in that described vertical spacing bar (20) is located in the described spiral compression spring (13).
6. a kind of three-dimensional isolation damping device according to claim 5 is characterized in that, two of described spiral compression spring (13) is pressed on upper junction plate (6) and the lower connecting plate (7) by pressing plate (14) respectively.
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| CN2011201232417U CN202039470U (en) | 2011-04-24 | 2011-04-24 | Three-dimensional shock isolating and absorbing device |
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