Damping Anti-seismic steel house
Technical field
The utility model belongs to Antiseismic building technical field, is specifically related to a kind of damping Anti-seismic steel house.
Background technology
Earthquake claims again earthquake, earthquake motion, is that the earth's crust releases energy fast in process and causes vibration, can produce during this time a kind of natural phenomena of seismic wave. Seismic wave can be divided into shear wave, compressional wave and ground roll, and it is mainly shear wave and ground roll that surface buildings and structures are damaged. Wherein shear wave mainly produces the vibration of all around, the vibration complexity of ground roll, and existing shear wave composition also has the composition of compressional wave. But domestic steel building is more and more, these steel buildings generally all do not design anti-seismic structure or antishock device, come temporarily, will have huge potential safety hazard in large shake, bring the huge security of the lives and property. How to reduce the vertical and horizontal vibration of steel construction to reduce shear wave and the destruction of ground roll to building, be a technical problem urgently to be resolved hurrily simultaneously.
Utility model content
The utility model is in order to solve weak point of the prior art, provides a kind of and can reduce vertical motion and oscillation crosswise, good damping effect, damping Anti-seismic steel house that anti-seismic performance is strong simultaneously.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: damping Anti-seismic steel house, comprise building foundation, be located at steel framework body of wall and the steel framework roof that is located at steel framework body of wall top on building foundation, steel construction wall comprises vertically disposed column, building foundation surface is provided with mounting groove, column lower end is provided with the support column extending in mounting groove, column lower end edge is provided with the supporting disk of annular, between support column sidepiece and mounting groove sidewall, be provided with a circle Compress Spring, mounting groove bottom is provided with first of support column lower surface top interference fit and supports damping antishock device, between supporting disk lower surface and building foundation upper surface, be provided with the second support damping antishock device, between steel framework body of wall top and steel framework roof, be provided with the 3rd and support damping antishock device.
Described first supports damping antishock device comprises horizontally disposed upper backup pad and lower supporting plate, upper backup pad is fixedly located at column lower end, lower supporting plate is fixedly located at mounting groove bottom, upper backup pad lower surface is provided with upper rail, lower supporting plate upper surface is provided with the lower guideway parallel with upper rail, upper rail slidably connects at least two top shoes by upper friction plate, upper compressor wire by tensioning between adjacent two top shoes connects, lower guideway slidably connects sliding block by lower friction plate, many one than top shoe of the number of sliding block, lower prestress steel wire by tensioning between adjacent two sliding blocks connects, any one top shoe is all directly over the lower prestress steel wire mid point between adjacent two sliding blocks, any one top shoe is connected by a support bar with the sliding block of down either side respectively, post upper and lower end are hinged with top shoe and sliding block respectively, lower supporting plate upper surface is provided with the locating piece that is positioned at lower guideway two ends, locating piece is provided with cushion in contiguous sliding block one side.
Described second supports damping antishock device comprises the base that is annular and the top cover that is collar plate shape, base is located on building foundation, top cover upper surface is fixedly connected with supporting disk lower surface, base comprises that inside is provided with the torus of annular cavity and is filled in the first damping sand grains in annular cavity, torus upper surface is provided with centring ring and is positioned at the antidetonation circle of centring ring inside, antidetonation circle upper surface inner side is provided with ring-shaped step, top cover is placed on ring-shaped step, top cover lower surface is fixedly connected with and is positioned at the central round casing of antidetonation circle, centring ring inwall contacts with antidetonation ring outer wall, antidetonation circle inwall has gap with circle casing external peripheral surface, in circle casing, be filled with the second damping sand grains.
Described antidetonation circle upper surface outward flange is provided with positioning tube, the ring-shaped step of antidetonation circle upper surface comprises outer support shock ring and inner support shock ring, between positioning tube and outer support shock ring, all there is annular space between outer support shock ring and inner support shock ring, the height of positioning tube, outer support shock ring and inner support shock ring reduces formation hierarchic structure successively, positioning tube is between top cover outer circle wall and centring ring inwall, and top cover lower surface is supported on outer support shock ring.
Described antidetonation circle, positioning tube, outer support shock ring and inner support shock ring are for adopting highly elastic material cold stamping one-body molded; Antidetonation circle is a kind of homogeneous elasticity porous mass, and antidetonation circle inside is evenly provided with the interlaced formation of spiral wire space network structure.
The described the 3rd supports damping antishock device comprises extension spring, upper flat plate and lower flat board, upper flat plate level is located at bottom, steel framework roof, lower dull and stereotyped level is located at steel framework body of wall top, upper flat plate and lower flat board are corresponding up and down, upper flat plate lower surface is provided with the ringwise upper support slot of entirety, lower dull and stereotyped lower surface is provided with overall ringwise lower support groove, upper support slot and lower support groove are corresponding up and down, the cross section of upper support slot and lower support groove is semi-circular structure, in upper support slot and lower support groove, be evenly provided with several fulcrum balls, between upper flat plate and lower flat board, be provided with sealed bolster plate in fulcrum ball outside, extension spring upper end is connected on upper flat plate, extension spring lower end is connected on the inwall of steel framework body of wall, between upper flat plate and lower flat board, be provided with upper and lower penetrating through hole in fulcrum ball inner side correspondence, in through hole, be equipped with bolt, the external diameter of bolt is less than the internal diameter of through hole.
Adopt technique scheme, the utlity model has following beneficial effect:
1, occurring when earthquake, at the first support damping antishock device pressurized or while there is vertical collision, will there is vertical relative displacement, now structure consumes energy by friction plate. Meanwhile prestress steel deformation of filament, also can dissipate the energy of part of impact force, thereby alleviates the vibrations of structure. In distortion when excessive, the maximum distortion that locating piece can control structure, the elasticity of cushion can reduce vibration simultaneously. Compress Spring plays the effect of buffer level direction vibrations.
2, the second antidetonation circle that supports damping antishock device is arranged between top cover and base, for cushioning the impact of top cover to base; The impact shock of top cover and base causes respectively round casing and annular cavity vibration, and then drive the vibrations in circle casing of the second damping sand grains to rub, drive the first damping sand grains vibrations friction in annular cavity, reach the object of composite shock-absorbing in wide frequency range by momentum-exchange and friction energy-dissipating. Base is directly stressed, and the rigidity of structure of annular cavity and intensity should be greater than the designing requirement of open well seat. Antidetonation circle is circulus packing ring, and has certain thickness side ring surface, can effectively isolate top cover in vertical and the impact of horizontal direction to base. The outer support shock ring arranging on antidetonation circle and the notch cuttype structure of inner support shock ring, have Multistage damping characteristic, and effective damping is carried out in the impact that can produce for the earthquake of different earthquake magnitudes.
3, fixed effect when the 3rd extension spring that supports damping antishock device plays lower flat board and upper flat plate vertical tremor, the fulcrum ball arranging between the lower support groove of offering on the upper support slot of offering on upper flat plate and lower flat board, in the time of earthquake, upper flat plate can relatively rotate by fulcrum ball on lower flat board. In through hole, be equipped with bolt, the external diameter of bolt is less than the internal diameter of through hole, so not only can avoid upper flat plate vibrations in the horizontal direction to make upper flat plate and steel framework roof have certain activity, and suitably define between upper flat plate and lower flat board position in vertical direction.
In sum, the utility model modern design, structure uniqueness, adopts multiple multiple damping modes, and the strenuous vibration that earthquake is produced has good cushioning effect, can greatly alleviate the destruction that earthquake causes house.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structure for amplifying schematic diagram of the first support damping antishock device in Fig. 1;
Fig. 3 is the structure for amplifying schematic diagram of the second support damping antishock device in Fig. 1.
Detailed description of the invention
As Fig. 1, shown in Fig. 2 and Fig. 3, damping Anti-seismic steel house of the present utility model, comprise building foundation 1, be located at steel framework body of wall 2 and the steel framework roof 3 that is located at steel framework body of wall 2 tops on building foundation 1, steel construction wall 2 comprises vertically disposed column, building foundation 1 surface is provided with mounting groove 4, column lower end is provided with the support column 5 extending in mounting groove 4, column lower end edge is provided with the supporting disk 6 of annular, between support column 5 sidepieces and mounting groove 4 sidewalls, be provided with a circle Compress Spring 41, mounting groove 4 bottoms are provided with first of support column 5 lower surface top interference fits and support damping antishock device 7, between supporting disk 6 lower surfaces and building foundation 1 upper surface, be provided with the second support damping antishock device 8, between steel framework body of wall 2 tops and steel framework roof 3, be provided with the 3rd and support damping antishock device.
First supports damping antishock device 7 comprises horizontally disposed upper backup pad 9 and lower supporting plate 10, upper backup pad 9 is fixedly located at column lower end, lower supporting plate 10 is fixedly located at mounting groove 4 bottoms, upper backup pad 9 lower surfaces are provided with upper rail 11, lower supporting plate 10 upper surfaces are provided with the lower guideway parallel with upper rail 11 12, upper rail 11 slidably connects at least two top shoes 13 by upper friction plate 14, between adjacent two top shoes 13, connect by the upper compressor wire 15 of tensioning, lower guideway 12 slidably connects sliding block 17 by lower friction plate 16, the number of sliding block 17 is than more than 13 one of top shoes, between adjacent two sliding blocks 17, connect by the lower prestress steel wire 18 of tensioning, any one top shoe 13 is all directly over lower prestress steel wire 18 mid points between adjacent two sliding blocks 17, any one top shoe 13 is connected by a support bar 19 with the sliding block 17 of down either side respectively, support bar 19 top and bottom are hinged with top shoe 13 and sliding block 17 respectively, lower supporting plate 10 upper surfaces are provided with the locating piece 20 that is positioned at lower guideway 12 two ends, locating piece 20 is provided with cushion 21 in contiguous sliding block 17 1 sides.
Second supports damping antishock device 8 comprises the base 22 that is annular and the top cover 23 that is collar plate shape, base 22 is located on building foundation 1, top cover 23 upper surfaces are fixedly connected with supporting disk 6 lower surfaces, base 22 comprises that inside is provided with the torus of annular cavity and is filled in the first damping sand grains 25 in annular cavity, torus upper surface is provided with centring ring 26 and is positioned at the antidetonation circle 27 of centring ring 26 inside, antidetonation circle 27 upper surface inner sides are provided with ring-shaped step, top cover 23 is placed on ring-shaped step, top cover 23 lower surfaces are fixedly connected with and are positioned at the central round casing 29 of antidetonation circle 27, centring ring 26 inwalls contact with antidetonation circle 27 outer walls, antidetonation circle 27 inwalls have gap with circle casing 29 external peripheral surfaces, in circle casing 29, be filled with the second damping sand grains 30.
Antidetonation circle 27 upper surface outward flanges are provided with positioning tube 31, the ring-shaped step of antidetonation circle 27 upper surfaces comprises outer support shock ring 32 and inner support shock ring 33, between positioning tube 31 and outer support shock ring 32, all there is annular space between outer support shock ring 32 and inner support shock ring 33, positioning tube 31, outer support shock ring 32 reduce formation hierarchic structure successively with the height of inner support shock ring 33, positioning tube 31 is between top cover 23 outer circle walls and centring ring 26 inwalls, and top cover 23 lower surfaces are supported on outer support shock ring 32.
Antidetonation circle 27, positioning tube 31, outer support shock ring 32 and inner support shock ring 33 are for adopting highly elastic material cold stamping one-body molded; Antidetonation circle 27 is a kind of homogeneous elasticity porous mass, and antidetonation circle 27 inside are evenly provided with the interlaced formation of spiral wire space network structure.
The 3rd supports damping antishock device comprises extension spring 34, upper flat plate 35 and lower dull and stereotyped 36, upper flat plate 35 levels are located at 3 bottoms, steel framework roof, lower dull and stereotyped 36 levels are located at steel framework body of wall 2 tops, upper flat plate 35 and lower dull and stereotyped corresponding Shang Xia 36, upper flat plate 35 lower surfaces are provided with the ringwise upper support slot of entirety, lower dull and stereotyped 36 lower surfaces are provided with overall ringwise lower support groove, upper support slot and lower support groove are corresponding up and down, the cross section of upper support slot and lower support groove is semi-circular structure, in upper support slot and lower support groove, be evenly provided with several fulcrum balls 37, between upper flat plate 35 and lower dull and stereotyped 36, be provided with sealed bolster plate 38 in fulcrum ball 37 outsides, extension spring 34 upper ends are connected on upper flat plate 35, extension spring 34 lower ends are connected on the inwall of steel framework body of wall 2, between upper flat plate 35 and lower dull and stereotyped 36, be provided with upper and lower penetrating through hole 39 in fulcrum ball 37 inner side correspondences, in through hole 39, be equipped with bolt 40, the external diameter of bolt 40 is less than the internal diameter of through hole 39.
Occurring when earthquake, at the first support damping antishock device 7 pressurizeds or while there is vertical collision, will there is vertical relative displacement, now structure consumes energy by friction plate. Meanwhile prestress steel deformation of filament, also can dissipate the energy of part of impact force, thereby alleviates the vibrations of structure. In distortion when excessive, the maximum distortion that locating piece 20 can control structure, the elasticity of cushion 21 can reduce vibration simultaneously. Compress Spring 41 plays the effect of buffer level direction vibrations.
The second antidetonation circle 27 that supports damping antishock device 8 is arranged between top cover 23 and base 22, for cushioning the impact of top cover 23 to base 22; The impact shock of top cover 23 and base 22 causes respectively round casing 29 and annular cavity vibration, and then drive the second damping sand grains 30 in the interior vibrations friction of circle casing 29, drive the first damping sand grains 25 vibrations frictions in annular cavity, reach the object of composite shock-absorbing in wide frequency range by momentum-exchange and friction energy-dissipating. Base 22 is directly stressed, and the rigidity of structure of annular cavity and intensity should be greater than the designing requirement of open well seat. Antidetonation circle 27 is circulus packing ring, and has certain thickness side ring surface, can effectively isolate top cover 23 in vertical and the impact of horizontal direction to base 22. The outer support shock ring 32 arranging on antidetonation circle 27 and the notch cuttype structure of inner support shock ring 33, have Multistage damping characteristic, and effective damping is carried out in the impact that can produce for the earthquake of different earthquake magnitudes.
The 3rd extension spring 34 that supports damping antishock device plays lower dull and stereotyped 36 and fixed effect when upper flat plate 35 vertical tremor, the fulcrum ball 37 arranging between the lower support groove of offering on the upper support slot of offering on upper flat plate 35 and lower dull and stereotyped 36, in the time of earthquake, upper flat plate 35 can relatively rotate by fulcrum ball 37 on lower dull and stereotyped 36. In through hole 39, be equipped with bolt 40, the external diameter of bolt 40 is less than the internal diameter of through hole 39, so not only can avoid upper flat plate 35 vibrations in the horizontal direction to make upper flat plate 35 and steel framework roof 3 have certain activity, and suitably define between upper flat plate 35 and lower dull and stereotyped 36 position in vertical direction.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although the utility model is had been described in detail with reference to above-described embodiment, those of ordinary skill in the art is to be understood that: still can modify or be equal to replacement the utility model, and not departing from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of claim scope of the present utility model.