CN201392268Y - Comprehensive system of horizontally bidirectional earthquake simulating vibration table - Google Patents

Abstract

The utility model provides a comprehensive system of a horizontally bidirectional earthquake simulating vibration table, which consists of a table surface unit of the horizontally bidirectional earthquake simulating vibration table, that is reinforced by a well-shaped steel rail beam, a supporting running mechanism unit of the horizontally bidirectional earthquake simulating vibration table and a connecting device unit of a vibration exciter of the horizontally bidirectional earthquake simulating vibration table, wherein the table surface unit has light self-weight, large effective load and large internal damping which leads to small partial vibration and low noise; the connecting device of the vibration exciter of the vibration table has no geometrical coupling, easily guaranteed joint rigidity and small additional power of the vibration exciter; and the supporting running mechanism can support heavy model test pieces, the table surface of the vibration table can slide in any direction on the horizontal plane and have small running friction, and the horizontal shifting capacity of the vibration table is not regulated by the overturning moment. The horizontally bidirectional earthquake simulating vibration table can reach the largest displacement X which equals to plus or minus 300mm as well as Y which equals to plus or minus 300mm, have simple structure, low production cost, small energy consumption, high energy efficiency and easy upgrade, and further expand the bearing and the shifting capacities.

Description

Comprehensive system of horizontal two-way earthquake simulation shaking table

Technical field

The utility model relates to and has comprehensive system of horizontal two-way earthquake simulation shaking table.

Background technology

Comprehensive system of horizontal two-way earthquake simulation shaking table is made of earthquake simulation shaking table table top, vibrator coupling arrangement and supporting and travelling mechanism usually.The earthquake simulation shaking table table top has: reinforced concrete structure table top, steel welding structure table top, aluminium alloy or casting magnesium aluminum alloy structure table top.The earthquake simulation shaking table table top of reinforced concrete structure, from great thereby effectively to carry load little, corner frequency is low to make that shaking table total system frequency of utilization is low, the frequency band of simulation often can not satisfy the needs of earthquake modeling effort, now seldom uses.The aluminium alloy table top is used for medium-sized earthquake simulation shaking table, and the casting magnesium aluminum alloy table top then is used for small vibrating platform (2m * 2m or following).The deadweight of alloy table top is little, and useful load is big, adopts cancellated structure table top rigidity to be significantly increased, and corner frequency is very high.But alloy table top deficiency is: cost is very high, and the table top internal damping is little, and when shaking table runs on the thin plate high frequency partial vibration that 30Hz can cause that stage body is formed when above, noise is bigger.At present, most vibration table surface structures adopt the steel welding structure, and it is compared with aluminium alloy and magnalium table top, and table top intensity is big, and cost is lower slightly.It is the solid steel plate of the anti tear Z of 12cm ~ 15cm to steel that the vibration table surface of external design adopts thickness more, and this table top deadweight is very big, thereby useful load is less relatively.Because steel using amount is big and processing technology is complicated, Z is higher to the solid steel plate structure table top cost of steel.The shaking table steel welding structure table top of existing domestic design is to adopt the flase floor structure of sealing up and down, promptly forms grid with sheet steel, on cover a thicker steel flat board, the underlay sheet steel, welding forms casing.For be connected screw thread, the nut that intensity height, good welding performance need on table top be set of model with table top.Nut need weld the cross intersection point with the grid floor, perhaps at nut four face down bonding set square ribbed stiffeners, again with nut and ribbed stiffener integral solder on deck plate.The processing technology complexity, the cost of manufacture height.

Horizontal two-way earthquake simulation shaking table vibrator coupling arrangement comprises: exciting fixed rod hinge connection formula, vibrator oscillating-type rod hinge connection formula and hydrostatic bearing interconnection system.Exciting fixed rod hinge connection formula and vibrator oscillating-type rod hinge connection formula all have safeguard simple, cost is low, the advantage that the joint rigidity is easy to guarantee.But the two does not have under the restraint condition in the degree of freedom of quadrature is instability mechanism, and all there is certain mechanical clearance in shank, and how much cross-couplings influences are arranged.The hydrostatic bearing interconnection system does not have the influence of how much cross-couplings, may be stable at the position under no quadrature degree of freedom restraint condition, but it need establish lubricated work oil sources in addition and pressurizeed and obtain required static pressure oil film rigidity, and joint stiffness is difficult to assurance.And its joint quality is big, vibrator is exerted oneself do work to increase.Hydrostatic bearing interconnection system difficult in maintenance, to its must be anti-pollution, waterproof, anti-fluid seepage, cost is very high, thereby is difficult to widespread use.

Horizontal two-way earthquake simulation shaking table supporting and travelling mechanism adopt double end articulated linkage mode or plane hydrostatic slideway mode.These two kinds of support patterns have friction force advantage less, simple for structure.But the shaking table as supporting need overcome upsetting moment in the level run process, the horizontal shift ability of shaking table is restricted.And because the shaking table supporting-point is less, the limited in one's ability and discontinuity of vertical support makes the value of vertical load, and promptly the maximum weight of test model has been subjected to restriction.(" design of earthquake simulation shaking table and application technology " Huang Haohua work Earthquake Press)

In sum, existing horizontal two-way earthquake simulation shaking table table top and supporting guidance system because the deficiency of structure self has influenced the serviceability of earthquake simulation shaking table to a certain extent, also are difficult for carrying out functions expanding and device upgrade.And processing technology complexity, cost and maintenance cost are all very high, and existing level two-way earthquake simulation shaking table cost is usually up to 1,000,000 even ten million.The system ensemble of development horizontal two-way earthquake simulation shaking table is very necessary.

Summary of the invention

In order to solve the problem that prior art exists, the utility model provides the system ensemble of horizontal two-way earthquake simulation shaking table.The horizontal two-way earthquake simulation shaking table mesa cells that this system ensemble is put more energy into by well shape rail beam, horizontal two-way earthquake simulation shaking table supporting travelling mechanism unit and horizontal two-way earthquake simulation shaking table vibrator coupling arrangement unit constitute; Each supporting osculating element 6 of the horizontal two-way earthquake simulation shaking table mesa cells that described well shape rail beam is put more energy into places respectively supporting on the osculating element 30 of horizontal two-way earthquake simulation shaking table supporting travelling mechanism, thereby horizontal two-way earthquake simulation shaking table mesa cells and horizontal two-way earthquake simulation shaking table supporting travelling mechanism unit that described well shape rail beam is put more energy into form annexation;

The upper surface of the table top mainboard 1 of the horizontal two-way earthquake simulation shaking table mesa cells that described well shape rail beam is put more energy into welds 1 steel cushion block 700 respectively corresponding to rotating shaft orbit 401 end positions of shaking table vibrator coupling arrangement, every steel cushion block 700 is connected with connected node plate 801 by 2 10.9 grades of high-strength bolts 802, and rotating shaft orbit 401 is connected by each 1 gusset plate 801 of 4 10.9 grades of high-strength bolts 802 and two ends; Like this, just horizontal two-way earthquake simulation shaking table mesa cells and the horizontal two-way earthquake simulation shaking table vibrator coupling arrangement unit that well shape rail beam is put more energy into couples together;

The web joint 103 of described horizontal two-way earthquake simulation shaking table vibrator coupling arrangement unit advances steel plate 102 welding with vibrator, advance web joint 103 and vibrator steel plate 102 affixed by 2 13.9 grades of high-strength bolts 105 again, like this, just comprehensive system of horizontal two-way earthquake simulation shaking table and vibrator are coupled together;

State: the following related relevant part dimension numerical value of the utility model, when being the horizontal two-way earthquake simulation shaking table table top of putting more energy into for the well shape rail beam of 4m * 4m and matching with table top mainboard 1, the corresponding size numerical value of parts of the horizontal two-way earthquake simulation shaking table supporting travelling mechanism that the utility model provides.

Introduce the formation of the horizontal two-way earthquake simulation shaking table mesa cells that described well shape rail beam puts more energy into below.

The horizontal two-way earthquake simulation shaking table mesa cells (hereinafter to be referred as table top) that the well shape rail beam that the utility model provides is put more energy into, as Fig. 1,2 and shown in Figure 3, involving vibrations platform table top mainboard 1, well shape rail beam put more energy into unit 2 and the supporting osculating element 6;

Described vibration table surface mainboard 1 is welded by steel plate, and its planar dimension is preferably 4m * 4m; Thickness should be not less than 40mm, and thickness is preferably 40mm; It is used for carrying and fixing to be measured, the thickness of this vibration table surface mainboard 1 removes rigidity, the intensity that guarantees table top, also taken all factors into consideration even power transmission, reduced the generation of stress concentration phenomenon, guaranteed to reserve the degree of depth in high-strength bolt hole 13, and reduced to conduct oneself with dignity and the factor of big internal damping is provided;

Vibration table surface mainboard 1 upper surface is welded with the anti-skidding clad can steel plate 5 of chevron;

Be fixed to be measured required reservation high-strength bolt hole 13 through machine drilling on the upper surface of vibration table surface mainboard 1, this reservation high-strength bolt hole 13 is no less than 16; This reservation high-strength bolt hole 13 also connects the anti-skidding clad can steel plate 5 of chevron, and each reserves the upper surface that high-strength bolt hole 13 is evenly arranged in table top mainboard 1 and the anti-skidding clad can steel plate 5 of chevron; Each reserves the hole depth of preferably going deep into table top 1 upper surface in high-strength bolt hole 13 is 25mm;

Described well shape rail beam put more energy into unit 2 by 2 vertically continuously rail beams 3 and 4 square crossings of the 2 row transversal sectional rail beams lower surface that is arranged to groined type and is welded in vibration table surface mainboard 1 constitute;

Shown in Fig. 2,4,5,6, vertical continuously each crossover node of rail beam 3 and transversal sectional rail beam 4 is welded in the crossover node vertically soffit of girder of rail beam 3 and the soffit of girder of transversal sectional rail beam 4 continuously respectively by the triangular steel plate ribbed stiffener 8 of 4 corner cuts, planing; Triangular steel plate ribbed stiffener 8 provides reliable lateral support for vertically continuously rail beam 3 and transversal sectional rail beam 4, guarantees the two stable under the earthquake simulation effect;

Described well shape rail beam 1 function of putting more energy into of the 2 pairs of vibration table surface mainboards in unit of putting more energy into, table top rigidity, intensity are obviously improved on equally distributed basis, guaranteed the effective transmission of table top load to running gear, vertically continuously rail beam 3 and transversal sectional rail beam 4 adopt railway tracks to have mainly due to it that rigidity is big, the shock resistance weight bearing power is strong and the advantage easily of drawing materials.

As shown in Figure 2,12 supporting osculating elements 6 are set below the vibration table surface mainboard 1, along every described vertically continuously rail beam 3 and transversal sectional rail beam 4 each evenly settle 3 supporting osculating elements 6; For making supporting osculating element 6 provide even support for vibration table surface mainboard 1 and last to be measured, the center of each supporting osculating element 6 is respectively vertically continuously on three sections the central point of cutting apart mutually of rail beam 3 and transversal sectional rail beam 4;

Shown in Fig. 1,3, described each supporting osculating element 6 by etc. big foursquare upper strata Q235 steel plate 9 and the Q345Mn of lower floor steel plate 10 be fastenedly connected respectively at upper strata Q235 steel plate 9 and the Q345Mn of lower floor steel plate 10 four jiaos and central point and form by immersing oneself in high-strength bolt 11; For guaranteeing that vibration table surface 1 horizontal bidirectional maximum displacement is X=± 300mm, Y=± 300mm, the planar dimension of described upper strata Q235 steel plate 9 and the Q345Mn of lower floor steel plate 10 all should be not less than 700mm * 700mm, preferred 700mm * 700mm, the thickness of the upper strata Q235 steel plate 9 of described supporting osculating element 6 is preferably 10mm, and the Q345Mn of lower floor steel plate 10 thickness are preferably 10mm;

Shown in Fig. 7,8, described short rail ribbed stiffener 7 is be provided with between the Q235 steel plate 9 on surface of supporting osculating element 6 and vibration table surface mainboard 1 the 4 continuous rail beam 3 of parallel longitudinal direction and transversal sectional rail beam 4 and the short rail that equate with the length of side of supporting osculating element 6 respectively, and each short rail ribbed stiffener 7 all welds with the upper surface of the upper strata Q235 steel plate 9 that supports osculating element 6 and the lower surface of vibration table surface mainboard 1; Also with high-strength bolt 14 vertically continuous rail beam 3, transversal sectional rail beam 4 and short rail ribbed stiffener 7 are connected with the Q235 steel plate 9 of supporting osculating element 6, each high-strength bolt 14 is preferably 200mm along the beam axial spacing of rail beam; To guarantee that supporting osculating element 6 has enough rigidity;

The following laminar surface that adopts Q345Mn steel plate 10 to make supporting osculating element 6 is to have utilized this material advantage excellent in cushion effect, guarantee that vibration table surface mainboard 1 can be free to slide and not produce additional the power consumption in surface level, do not produce extraneous vibration and distortion under dynamic load functions such as high frequency, cyclic reverse loading.

The connection of table top, rigidity design under safe and reliable prerequisite all by Theoretical Calculation and verification experimental verification.Used steel member anticorrosion with painting lacquer in advance all in the table top manufacturing process.Related being welded to connect all of the utility model will be passed through ultrasonic inspection, reaches the above class requirement of second-order weld.

Because reasonable in design, minimizing energy consumption, this 4m * 4m table top deadweight only is 5 tons, only be the 1/4-1/3 of Z commonly used to the solid steel plate structure of steel table top, steel using amount is significantly less than other same level table top for a short time, cost greatly reduces when guaranteeing the vibration table surface serviceability, but can obtain bigger useful load; Also make its operation noise be significantly less than the steel welding stage face and the alloy table top of same level owing to have bigger internal damping.Table top rigidity of the present utility model is big, the corner frequency height; Internal damping is big, and the operation noise is little, runs on 70Hz and can not cause that the stage body high frequency partial vibrates when following; Because rational in infrastructure, the table top Stiffness Distribution is even, has reduced the stress concentration phenomenon; Maximum displacement can reach: X=± 300mm, Y=± 300mm.Draw materials conveniently, technology is simple.

Introduce the formation of described horizontal two-way earthquake simulation shaking table supporting travelling mechanism unit below:

Shown in Fig. 9,10,11, horizontal two-way earthquake simulation shaking table that the utility model provides supporting travelling mechanism comprises travelling mechanism base plate 25, well shape put more energy into unit 20, horizontal vertical rail beam crossover node ribbed stiffener 23, supporting osculating element 30, short rail ribbed stiffener 34, travelling mechanism fixedly earth anchor 41-1,41-2 and base plate otic placode 42;

Described travelling mechanism base plate 25 is made of steel plate, and preferably its thickness is 40mm; Each welding of two edges of its Y direction is no less than 3 base plate otic placodes 42, and thickness is identical with travelling mechanism base plate 25 thickness, and the fixing hole that is complementary of earth anchor 41-1 of porose footpath and travelling mechanism is used to pass fixedly earth anchor 41-1 of travelling mechanism in the middle part of it;

Described travelling mechanism fixedly earth anchor 41-1 top is a rectangular parallelepiped for the right cylinder bottom, the cylinder diameter on top is not less than 150mm, preferred its diameter is 150mm, and the rectangular parallelepiped size of bottom is not less than 250mm * 250mm * 150mm, and preferred size is 250mm * 250mm * 100mm; The travelling mechanism fixedly bottom of earth anchor 41-1 is fixed in the conduit 43, and travelling mechanism is the fixing earth anchor 41-2 of top nested travelling mechanism of earth anchor 41-1 fixedly, and the two cooperation is fixed in the conduit 43 whole supporting travelling mechanism, and conduit 43 is fixed on the basis 44;

Travelling mechanism base plate 25 upper surfaces weld 2 continuously vertically rail beams 21 (hereinafter to be referred as longeron 21) and the horizontal rail beam 22 of 2 row segmentations (hereinafter to be referred as crossbeam 22) formation well shape unit 20 of putting more energy into respectively by groined type; Longeron 21 and crossbeam 22 adopt railway tracks make big mainly due to its rigidity, the shock resistance weight bearing power is strong, the advantage easily of drawing materials.The well shape unit 20 of putting more energy into obviously improves the rigidity, intensity of travelling mechanism base plate 25 on equally distributed basis;

Shown in Figure 12,13,14, at each well shape the put more energy into longeron 21 of unit 20 and the crossover node of crossbeam 22, be that the corner cut more than the Q235 level, the right angled isosceles triangle steel plate of planing weld the soffit of girder of the soffit of girder of longeron 21 and crossbeam 22 by 4 bulk strengths respectively, for longeron 21 and crossbeam 22 provide reliable lateral support, guarantee the two stable under the earthquake simulation effect; These horizontal vertical rail beam crossover node ribbed stiffener 23 thickness are preferably 20mm;

Shown in Fig. 9,10,11,15,16, for making horizontal two-way earthquake simulation shaking table supporting travelling mechanism can bear the vertical direction load of earthquake simulation shaking table, can guarantee that again the approximate nothing of vibration table surface frictionally is free to slide in surface level, settling 3 supporting osculating elements 30 on the described every longeron 21 and on every row crossbeam 22, the center of each supporting osculating element 30 is respectively on the longeron 21 and on three sections the central point of cutting apart mutually on the crossbeam 22; This supporting osculating element 30 is by steel ball box 32 and place the universal rotation steel ball 33 in the steel ball box 32 to constitute; Described steel ball box 32 is welded by the Q345Mn steel plate, the inner plane size at 32 ends of steel ball box should guarantee maximum displacement of shaking table horizontal bidirectional and shaking table requirement for bearing capacity, for guaranteeing that maximum displacement is X=± 300mm, the shaking table of Y=± 300mm, the inner plane size at the preferred end of steel ball box 32 should be less than 600mm * 600mm, and the inner plane at the preferred end of steel ball box 32 is of a size of 600mm * 600mm; The degree of depth of steel ball box 32 should be slightly less than the diameter of built-in universal rotation steel ball 33, and purpose is to guarantee that universal rotation steel ball 33 can freely rotate in steel ball box 32; Preferred universal rotation steel ball 33 diameters are 50mm; Universal rotation steel ball 33 is clouded in the steel ball box 32, and 33 spaces of universal rotation steel ball are filled by lubricant;

Described each steel ball box 32 respectively with the longeron 21 of its underpart or crossbeam 22 welding, and between the bottom surface of steel ball box 32 and travelling mechanism base plate 25 also welding be parallel to short rail ribbed stiffener 34 longeron 21 or crossbeam 22 and isometric with steel ball box 32 respectively, described short rail ribbed stiffener 34 is also fixedlyed connected by the high-strength bolt 35 that spacing is not more than 200mm with travelling mechanism base plate 25, the preferred bolt spacing is 100mm, to guarantee that level is free to slide bearing unit 30 and has enough strength and stiffness;

Horizontal two-way earthquake simulation shaking table supporting travelling mechanism provided by the utility model does not produce upsetting moment to vibration table surface, thereby horizontal shift ability and all obviously raisings of maximum model weight, maximum horizontal displacement can reach X=± 300mm, Y=± 300mm, maximum model weight can reach 150 tons.Because the steel ball group provides uniform multi-region to support, reduced additional stress and concentrated, make the truth of the stressed closer shake of shaking table simulation.More valuable is: further strengthen shaking table displacement capacity and vertical bearing capacity as need, only need add the big steel ball box length of side and set up the device upgrade that steel ball can be finished horizontal two-way earthquake simulation shaking table supporting travelling mechanism.

Introduce the formation of described horizontal two-way earthquake simulation shaking table vibrator coupling arrangement unit below.

The utility model provides the formation of a kind of horizontal two-way earthquake simulation shaking table vibrator coupling arrangement unit to comprise:

(1) shown in Figure 17,19,20, vibrator advances steel plate 102 and web joint 103 welding, advance vibrator steel plate 102 and web joint 103 affixed by 2 13.9 grades of high-strength bolts 105 again, described vibrator advances steel plate 102 and web joint 103 to be rectangular steel plates, the two planar dimension is identical and all should be less than 400mm * 400mm, and preferred planar is of a size of 700mm * 700mm; Described vibrator propelling steel plate 102 and web joint 103 the two thickness all should be less than 40mm, and thickness is preferably 50mm;

(2) as Figure 17,19,20,22, shown in 23, with the concordant welding rotating shaft in the upper end of web joint 103 interlock steel plate 201, at the bottom of web joint 103 welding rotating shaft interlock steel plate 202, rotating shaft interlock steel plate 201 is two all identical rectangular steel plates of planar dimension and thickness with rotating shaft interlock steel plate 202, rotating shaft interlock steel plate 201 respectively is provided with 4 concentric respectively steel plate circular holes 203 with rotating shaft interlock steel plate 202, described rotating shaft interlock steel plate 201,202 planes should be less than 500mm * 500mm, the two thickness all should be less than 50mm, rotating shaft interlock steel plate 201,202 preferred planar are of a size of 700mm * 700mm, described rotating shaft interlock steel plate 201,202 thickness are preferably 60mm;

The cylindrical diameter that the two ends diameter of described steel plate circular hole 203 diameters and rotating steel shaft 301 is little is complementary, the right cylinder that rotating steel shaft 301 two ends diameters are little passes steel plate circular hole 203 respectively, and rotating steel shaft 301 can freely be rotated in steel plate circular hole 203, centre distance should be less than 3 times steel plate circular hole 203 Circularhole diameters between each steel plate circular hole 203, and center, hole to steel plate Edge Distance should be less than 2 times steel plate circular hole 203 Circularhole diameters;

The lower surface of rotating shaft interlock steel plate 201 is processed with 5 hemispherical dimples 201-1 of row, the upper surface of rotating shaft interlock steel plate 202 is processed with two row hemispherical dimples 202-1,202-2, every row pit number is 5, described hemispherical dimples 201-1 cooperates with hemispheric steel ball groove 602, and steel ball groove 602 is mounted with steel ball 902 and both are movingly; Hemispherical dimples 202-1 cooperates with rotating shaft orbit 401 lower surfaces, and hemispherical dimples 202-1 is mounted with steel ball 903 and both are movingly; Hemispherical dimples 202-2 cooperates with vibration table surface mainboard 1 lower surface, and hemispherical dimples 202-2 is mounted with steel ball 904 and both are movingly;

The hemispherical dimples 201-1 degree of depth should be slightly less than the radius of steel ball 902, and the degree of depth of hemispherical dimples 202-1 should be slightly larger than the radius of steel ball 903, and the degree of depth of hemispherical dimples 202-2 should be slightly larger than the radius of steel ball 904; The equal diameters of steel ball 902,903,904 and should be less than 20mm, the diameter of steel ball 902,903,904 is preferably 30mm;

Two rectangular steel plates ribbed stiffeners 104 advance the side faces at both ends welding of steel plate 102 and web joint 103 and rotating shaft interlock steel plate 201,202 respectively with vibrator, further guarantee vibrator advance steel plate 102 and the strength of joint and the rigidity of web joint 103 and rotating shaft interlock steel plate 201,202, described rectangular steel plates ribbed stiffener 104 thickness are preferably 20mm, planar dimension is preferably 600mm * 600mm;

(3) shown in Figure 17,20,21,4 rotating steel shafts 301 are the little concentric variable cross section right cylinder of syllogic of the big two ends of middle part diameter diameter, and the preferred diameter in middle part is 120mm, and the preferred diameter in two ends is 100mm; The little right cylinder of each rotating steel shaft 301 two ends diameter penetrates respectively in the concentric steel plate circular hole 203 of rotating shaft interlock steel plate 201 and rotating shaft interlock steel plate 202 correspondences, diameter big right cylinder in middle part can roll back and forth along rotating shaft orbit 401 freedom, thereby realizes 1 horizontal shift perpendicular to the vibrator direction of propulsion of vibration table surface mainboard; Each rotating steel shaft 301 bottom centre is processed with the hemispherical dimples 302 that the degree of depth is slightly less than steel ball 905 radiuses, each pit 302 cooperates with the hemispherical dimples 304 of square pit seat 303, steel ball 905 can freely be rotated between pit 302 and hemispherical dimples 304, make rotating steel shaft 301 smooth and easy rotation in circular hole 203, and the deadweight of rotating steel shaft 301 is passed to shaft support steel plate 501; Described steel ball 905 diameters should be not less than 20mm, and diameter is preferably 30mm;

(4) shown in Figure 17,20,21, advance steel plate 102 lower ends welding shaft support steel plate 501, the steel cushion block 506 of these shaft support steel plate 501 upper surfaces 4 square pit seats 303 of welding and 1 bar shaped at web joint 103 and vibrator; There is hemispherical dimples 304 at described square pit seat 303 centers, and the length of square pit seat 303 * wide * height should be not less than 70mm * 70mm * 50mm, and square pit seat 303 preferred sizes are 100mm * 100mm * 60mm; Hemispherical dimples 304 is used to hold steel ball 905 and the deadweight of rotating steel shaft 301 is passed to shaft support steel plate 501; Be used for the deadweight of support 5 and rotating shaft interlock steel plate 2;

202 welding of described steel cushion block 506 upper surfaces and rotating shaft interlock steel plate, lower surface welds with shaft support steel plate 501, is used for deadweight Load Transfer with interlock steel plate 202 to shaft support steel plate 501; Steel cushion block 506 is prisms that length equates with the width of rotating shaft interlock steel plate 202, and preferred size length * wide * height is 700mm * 50mm * 50mm;

(5) shown in Figure 19,20,21, the welding of the lower surface of shaft support steel plate 501 is no less than 2 bearing steel roller bearings 502, and preferred number is 4 steel roller bearings 502; Pass on each bearing steel roller bearing 502 and nested 2 bearing rolling bearings 503, preferred nested 3 the bearing rolling bearings 503 of being no less than; Bearing rolling bearing 503 serves as that axle freely rotates with bearing steel roller bearing 502, realizes the free displacement in horizontal cross of shaft support steel plate 501 and top support parts thereof;

(6) shown in Figure 17,18,19,21,24,25,26,27, rotating shaft orbit 401 is that flat shape is the flat body girder steel of U-shaped, the long only l1 of its inwall is preferably 700mm, rotating shaft orbit 401U shape middle part cross sectional dimensions h1 * b1 is preferably 50mm * 150mm, the preferred 50mm * 100mm of rotating shaft orbit 401U shape two ends cross sectional dimensions h2 * b2;

Upper surface at vibration table surface mainboard 1 welds 1 steel cushion block 700 respectively corresponding to rotating shaft orbit 401 end positions, every steel cushion block 700 is connected with connected node plate 801 by 2 10.9 grades of high-strength bolts 802, and rotating shaft orbit 401 is connected by each 1 gusset plate 801 of 4 10.9 grades of high-strength bolts 802 and two ends; Like this, just vibration table surface mainboard 1 and a kind of shaking table vibrator coupling arrangement are coupled together;

Rotating shaft orbit 401 upper surface middle part are provided with steel ball groove 402, and steel ball groove 402 degree of depth are slightly less than the diameter of steel ball 901, and steel ball groove 402 cooperates with rotating shaft interlock steel plate 201 can freely roll steel ball 901 in steel ball groove 402; The deadweight of rotating shaft orbit 401 is born jointly by each 2 rectangle steel sheet-pile 404 and each 1 box-shaped metal sheet pile 403 at two ends; Each rectangle steel sheet-pile 404 is contour with box-shaped metal sheet pile 403, rectangle steel sheet-pile 404 preferred high * wide * thick be 500mm * 100mm * 40mm; Box-shaped metal sheet pile 403 is welded by four block plates, and every block plate preferred thickness is 40mm;

The upper end of rectangle steel sheet-pile 404 and box-shaped metal sheet pile 403 is welded in the lower surface of rotating shaft orbit 401, and the lower end is welded in the upper surface of track bearing support steel plate 405;

Respectively settle a steel ball box 504 that is abound with steel ball 505 below each bearing support steel plate 405, the geometric center of bearing support steel plate 405 overlaps with the cross section geometric center of box-shaped metal sheet pile 403, bearing support steel plate 405 is along each protruding length l 3 of corresponding vibrator direction of propulsion, should outer stretch out length l 3 should make the shaking table Danone enough reach maximum displacement X=± 300mm, Y=± 300mm, preferred length l3 are 350mm;

Steel ball 505 and steel ball box 504 are used to carry the deadweight of rotating shaft orbit 401 and allow rotating shaft orbit 401 to be free to slide in surface level, and steel ball box 504 passes to basis 507 below the steel ball box 504 with rotating shaft orbit 401, rectangle steel sheet-pile 404 and box-shaped metal sheet pile 403 and steel ball 505 deadweights; The preferred diameter of steel ball 505 is 50mm, and each steel ball box 504 is welded by the thick Q345Mn steel plate of 20mm, and the planar dimension of preferred cartridge inwall is the square box of 600mm * 600mm, and clear depth is slightly less than the diameter of steel ball 505 in the box; Fill the space by lubricant between the steel ball 505;

(8) shown in Figure 17,24,25, one polyurethane cushion block 406 is respectively pasted in the inboard at rotating shaft orbit 401U shape two ends, described polyurethane cushion block 406 thickness are preferably 20mm, in order to the adverse effect that prevents that countershaft orbit 401U shape two ends accidental impact produces in rotating steel shaft 301 operational processs;

(9) shown in Figure 17,18,19,20, at vibration table surface mainboard 1 upper surface welding and steel ball rolling conduit 601 that with rotating shaft orbit 401 inwalls only long l1 equate corresponding with rotating shaft orbit 401 positions, steel ball rolling conduit 601 width are not the bar shaped block less than 50mm, steel ball rolling conduit 601 thickness should be less than 30mm, steel ball rolling conduit 601 upper surface middle part are established the steel ball groove 602 that the degree of depth is slightly larger than steel ball 902 radiuses along its length, and steel ball groove 602 cooperates with semisphere hole 201-1 can freely roll steel ball 902 between the two.

Make web joint 103, rectangular steel plates ribbed stiffener 104, rotating shaft interlock steel plate 201,202, rotating steel shaft 301, square pit seat 303, rotating shaft orbit 401, box-shaped metal sheet pile 403, rectangle steel sheet-pile 404, track bearing support steel plate 405, shaft support steel plate 501, bearing steel roller bearing 502, bearing rolling bearing 503, steel ball box 504, steel ball 505, steel cushion block 506, steel ball rolling conduit 601, billet 700, steel ball 901,902,903,904,905 and gusset plate 801 all adopt Q345Mn level steel, all steel parts are anticorrosion with painting lacquer in advance all, described being welded to connect all will be passed through ultrasonic inspection, reaches the above class requirement of second-order weld.

This horizontal two-way earthquake simulation shaking table vibrator coupling arrangement unit advances steel plate 102 to promote vibration table surface mainboards 1 by described vibrator and finishes the displacement that the displacement that goes out force direction along vibrator 101 and horizontal earthquake action go out force direction by described rotating steel shaft 301 along the scrolling realization vibration table surface mainboard 1 vertical vibrator 101 of rotating shaft orbit 401.

Whole horizontal two-way earthquake simulation shaking table vibrator coupling arrangement from heavy load by steel ball box 504 and bearing rolling bearing 503 passed to the basis 507, therefore 101 need of vibrator overcome rolling friction minimum between the steel ball 505, and the vibrator extra work done of exerting oneself is very little.

The horizontal two-way earthquake simulation shaking table vibrator coupling arrangement unit that the utility model provides, scientific and reasonable for structure, overcome mechanical clearance and how much coupling influences of existing horizontal two-way earthquake simulation shaking table vibrator coupling arrangement, made the displacement of shaking table XY both direction and exciting force independent mutually; Since whole horizontal two-way earthquake simulation shaking table vibrator coupling arrangement from heavy load by steel ball box 504 and bearing rolling bearing 503 passed to the basis 507, therefore 101 need of vibrator overcome rolling friction minimum between the steel ball 505, and the vibrator extra work done of exerting oneself is very little.The utility model provides a kind of shaking table vibrator coupling arrangement can reach maximum displacement X=± 300mm, Y=± 300mm, and also the extra work done of vibrator is minimum, and vibrator efficient significantly improves.Cheap, be easy to safeguard.

Beneficial effect: the utility model provides the system ensemble of horizontal two-way earthquake simulation shaking table, having alleviated the table top deadweight provides when obtaining bigger useful load bigger internal damping reducing local vibration, to reduce the operation noise, and the shaking table vibrator coupling arrangement of employing do not have that how much couplings, joint stiffnesses easily guarantee, the vibrator extra power is little, is easy to safeguard, cheap; The supporting travelling mechanism that adopts can not only provide vertical support safely and effectively for vibration table and large-tonnage model test piece, and vibration table surface can be free to slide at the surface level any direction, reduced the operation friction, shaking table horizontal shift ability no longer is subjected to the restriction of upsetting moment.Simultaneously, the system ensemble of horizontal two-way earthquake simulation shaking table is simple in structure, cheap, energy consumption is little, high being easy to of efficiency upgraded, and realizes the further expansion of carrying and displacement capacity.This system ensemble can reach maximum displacement X=± 300mm, Y=± 300mm,

Description of drawings

Fig. 1 is the front view of the synoptic diagram that constitutes of the mesa cells of the system ensemble of horizontal two-way earthquake simulation shaking table.

Fig. 2 is the vertical view of the synoptic diagram that constitutes of the mesa cells of the system ensemble of horizontal two-way earthquake simulation shaking table.

Fig. 3 is the left view of the synoptic diagram that constitutes of the mesa cells of the system ensemble of horizontal two-way earthquake simulation shaking table.

Fig. 4 is the put more energy into node A partial enlarged drawing of unit 2 of well shape rail beam among Fig. 2.

Fig. 5 is the B-B cross section view of node A partial enlarged drawing among Fig. 4.

Fig. 6 is the C-C cross section view among Fig. 5.

Fig. 7 is the D-D cross section view among Fig. 1.

Fig. 8 is the E-E cross section view among Fig. 3.

Fig. 9 is that the supporting and the operation unit of the system ensemble of horizontal two-way earthquake simulation shaking table constitutes vertical view.

Figure 10 is the F-F cut-open view of Fig. 9.

Figure 11 is the G-G cut-open view of Fig. 9.

Figure 12 is the partial enlarged view of S node among Fig. 9.

Figure 13 is the H-H cut-open view among Figure 12.

Figure 14 is the J-J cut-open view among Figure 13.

Figure 15 is the K-K cut-open view among Figure 10.

Figure 16 is the L-L cut-open view among Figure 11.

Figure 17 is the front view of formation synoptic diagram of vibrator coupling arrangement of the system ensemble of horizontal two-way earthquake simulation shaking table.

Figure 18 is the zoomed-in view of the M-M cut-open view of Figure 17.

Figure 19 is the zoomed-in view of the N-N cut-open view of Figure 17.

Figure 20 is the zoomed-in view of the O-O cut-open view of Figure 17.

Figure 21 is the zoomed-in view of the P-P cut-open view of Figure 17.

Figure 22 is the zoomed-in view of the Q-Q cut-open view of Figure 19.

Figure 23 is the zoomed-in view of the R-R cut-open view of Figure 19.

Figure 24 is the vibrator coupling arrangement shaft orbit 401 of system ensemble of horizontal two-way earthquake simulation shaking table and the vertical view that accessory constitutes synoptic diagram thereof.

Figure 25 is the formation synoptic diagram of rotating shaft orbit 401

Figure 26 is the 1-1 cut-open view of Figure 25

Figure 27 is the 2-2 cut-open view of Figure 25

Embodiment

Embodiment 1 the utility model provides the system ensemble of horizontal two-way earthquake simulation shaking table.The horizontal two-way earthquake simulation shaking table mesa cells that this system ensemble is put more energy into by well shape rail beam, horizontal two-way earthquake simulation shaking table supporting travelling mechanism unit and horizontal two-way earthquake simulation shaking table vibrator coupling arrangement unit constitute; Each supporting osculating element 6 of the horizontal two-way earthquake simulation shaking table mesa cells that described well shape rail beam is put more energy into places respectively supporting on the osculating element 30 of horizontal two-way earthquake simulation shaking table supporting travelling mechanism, thereby horizontal two-way earthquake simulation shaking table mesa cells and horizontal two-way earthquake simulation shaking table supporting travelling mechanism unit that described well shape rail beam is put more energy into form annexation;

The upper surface of the table top mainboard 1 of the horizontal two-way earthquake simulation shaking table mesa cells that described well shape rail beam is put more energy into welds 1 steel cushion block 700 respectively corresponding to rotating shaft orbit 401 end positions of shaking table vibrator coupling arrangement, every steel cushion block 700 is connected with connected node plate 801 by 2 10.9 grades of high-strength bolts 802, and rotating shaft orbit 401 is connected by each 1 gusset plate 801 of 4 10.9 grades of high-strength bolts 802 and two ends; Like this, just horizontal two-way earthquake simulation shaking table mesa cells and the horizontal two-way earthquake simulation shaking table vibrator coupling arrangement unit that well shape rail beam is put more energy into couples together;

The web joint 103 of described horizontal two-way earthquake simulation shaking table vibrator coupling arrangement unit advances steel plate 102 welding with vibrator, advance web joint 103 and vibrator steel plate 102 affixed by 2 13.9 grades of high-strength bolts 105 again, like this, just comprehensive system of horizontal two-way earthquake simulation shaking table and vibrator are coupled together;

Introduce the formation of the horizontal two-way earthquake simulation shaking table mesa cells that described well shape rail beam puts more energy into below.

The horizontal two-way earthquake simulation shaking table mesa cells (hereinafter to be referred as table top) that the well shape rail beam that the utility model provides is put more energy into, as Fig. 1,2 and shown in Figure 3, involving vibrations platform table top mainboard 1, well shape rail beam put more energy into unit 2 and the supporting osculating element 6;

Described vibration table surface mainboard 1 is welded by steel plate, and its planar dimension is 4m * 4m; Thickness is 40mm; It is used for carrying and fixing to be measured, the thickness of this vibration table surface mainboard 1 removes rigidity, the intensity that guarantees table top, also taken all factors into consideration even power transmission, reduced the generation of stress concentration phenomenon, guaranteed to reserve the degree of depth in high-strength bolt hole 13, and reduced to conduct oneself with dignity and the factor of big internal damping is provided;

Vibration table surface mainboard 1 upper surface is welded with the anti-skidding clad can steel plate 5 of chevron;

Be fixed to be measured required reservation high-strength bolt hole 13 through machine drilling on the upper surface of vibration table surface mainboard 1, this reservation high-strength bolt hole 13 is no less than 16; This reservation high-strength bolt hole 13 also connects the anti-skidding clad can steel plate 5 of chevron, and each reserves the upper surface that high-strength bolt hole 13 is evenly arranged in table top mainboard 1 and the anti-skidding clad can steel plate 5 of chevron; Each reserves the hole depth of going deep into table top 1 upper surface in high-strength bolt hole 13 is 25mm;

Described well shape rail beam put more energy into unit 2 by 2 vertically continuously rail beams 3 and 4 square crossings of the 2 row transversal sectional rail beams lower surface that is arranged to groined type and is welded in vibration table surface mainboard 1 constitute;

Shown in Fig. 2,4,5,6, vertical continuously each crossover node of rail beam 3 and transversal sectional rail beam 4 is welded in the crossover node vertically soffit of girder of rail beam 3 and the soffit of girder of transversal sectional rail beam 4 continuously respectively by the triangular steel plate ribbed stiffener 8 of 4 corner cuts, planing; Triangular steel plate ribbed stiffener 8 provides lateral support for vertically continuously rail beam 3 and transversal sectional rail beam 4, guarantees that crossover node does not produce extra-stress at earthquake simulation and concentrates;

Described well shape rail beam 1 function of putting more energy into of the 2 pairs of vibration table surface mainboards in unit of putting more energy into, table top rigidity, intensity are obviously improved on equally distributed basis, guaranteed of the effective transmission of table top load, adopted railway track to have mainly due to it that rigidity is big, the shock resistance weight bearing power is strong and the advantage easily of drawing materials to running gear.

As shown in Figure 2,12 supporting osculating elements 6 are set below the vibration table surface mainboard 1, along every described vertically continuously rail beam 3 and transversal sectional rail beam 4 each evenly settle 3 supporting osculating elements 6; For making supporting osculating element 6 provide even support for vibration table surface mainboard 1 and last to be measured, the center of each supporting osculating element 6 is respectively vertically continuously on three sections the central point of cutting apart mutually of rail beam 3 and transversal sectional rail beam 4;

Shown in Fig. 1,3, described each supporting osculating element 6 by etc. big foursquare upper strata Q235 steel plate 9 and the Q345Mn of lower floor steel plate 10 be fastenedly connected respectively at upper strata Q235 steel plate 9 and the Q345Mn of lower floor steel plate 10 four jiaos and central point and form by immersing oneself in high-strength bolt 11; For guaranteeing that vibration table surface 1 horizontal bidirectional maximum displacement is X=± 300mm, Y=± 300mm, the planar dimension of described upper strata Q235 steel plate 9 and the Q345Mn of lower floor steel plate 10 is 700mm * 700mm, the thickness of the upper strata Q235 steel plate 9 of described supporting osculating element 6 is 10mm, and the Q345Mn of lower floor steel plate 10 thickness are 10mm;

Shown in Fig. 7,8, described short rail ribbed stiffener 7 is be provided with between the Q235 steel plate 9 on surface of supporting osculating element 6 and vibration table surface mainboard 1 the 4 continuous rail beam 3 of parallel longitudinal direction and transversal sectional rail beam 4 and the short rail that equate with the length of side of supporting osculating element 6 respectively, and each short rail ribbed stiffener 7 all welds with the upper surface of the upper strata Q235 steel plate 9 that supports osculating element 6 and the lower surface of vibration table surface mainboard 1; Also with high-strength bolt 14 vertically continuous rail beam 3, transversal sectional rail beam 4 and short rail ribbed stiffener 7 are connected with the Q235 steel plate 9 of supporting osculating element 6, each high-strength bolt 14 is 200mm along the beam axial spacing of rail beam; To guarantee that supporting osculating element 6 has enough rigidity;

The following laminar surface that adopts Q345Mn steel plate 10 to make supporting osculating element 6 is to have utilized this material advantage excellent in cushion effect, guarantee that vibration table surface mainboard 1 can be free to slide and not produce additional the power consumption in surface level, do not produce extraneous vibration and distortion under dynamic load functions such as high frequency, cyclic reverse loading.

The connection of table top, rigidity design under safe and reliable prerequisite all by Theoretical Calculation and verification experimental verification.Used steel member anticorrosion with painting lacquer in advance all in the table top manufacturing process.Related being welded to connect all of the utility model will be passed through ultrasonic inspection, reaches the above class requirement of second-order weld.

Introduce the formation of described flat two-way earthquake simulation shaking table vibrator coupling arrangement unit below.

The utility model provides the formation of a kind of flat two-way earthquake simulation shaking table vibrator coupling arrangement unit, shown in Fig. 9,10,11, comprise travelling mechanism base plate 25, well shape put more energy into unit 20, horizontal vertical rail beam crossover node ribbed stiffener 23, supporting osculating element 30, short rail ribbed stiffener 34, travelling mechanism fixedly earth anchor 41-1,41-2 and base plate otic placode 42;

Described travelling mechanism base plate 25 is made of steel plate, and its thickness is 40mm; Each welding of two edges of its Y direction is no less than 3 base plate otic placodes 42, and thickness is identical with travelling mechanism base plate 25 thickness, and the fixing hole that is complementary of earth anchor 41-1 of porose footpath and travelling mechanism is used to pass fixedly earth anchor 41-1 of travelling mechanism in the middle part of it;

Described travelling mechanism fixedly earth anchor 41-1 top is a rectangular parallelepiped for the right cylinder bottom, the cylinder diameter on top is not less than 150mm, diameter is 150mm, and the rectangular parallelepiped size of bottom is not less than 250mm * 250mm * 150mm, is of a size of 250mm * 250mm * 100mm; The travelling mechanism fixedly bottom of earth anchor 41-1 is fixed in the conduit 43, and travelling mechanism is the fixing earth anchor 41-2 of top nested travelling mechanism of earth anchor 41-1 fixedly, and the two cooperation is fixed in the conduit 43 whole supporting travelling mechanism, and conduit 43 is fixed on the basis 44;

Travelling mechanism base plate 25 upper surfaces weld longeron 21 and crossbeam 22 respectively by groined type, and the well shape unit 20 of putting more energy into obviously improves the rigidity, intensity of travelling mechanism base plate 25 on equally distributed basis;

Shown in Figure 12,13,14, at well shape the put more energy into longeron 21 of unit 20 and the crossover node of crossbeam 22, by 4 horizontal vertical rail beam crossover node ribbed stiffeners 23 soffit of girder of the soffit of girder of longeron 21 and crossbeam 22 is welded respectively, these triangle steel plate 23 corner cuts, planing, the intensity of right angled isosceles triangle steel plate is the Q235 level; Provide lateral support by horizontal vertical rail beam crossover node ribbed stiffener 23 for longeron 21 and crossbeam 22, guarantee that crossover node does not produce extra-stress at earthquake simulation and concentrates; These horizontal vertical rail beam crossover node ribbed stiffener 23 thickness are 20mm;

Shown in Fig. 9,10,11,15,16, for making horizontal two-way earthquake simulation shaking table supporting travelling mechanism can bear the vertical direction load of earthquake simulation shaking table, can guarantee that again the approximate nothing of vibration table surface frictionally is free to slide in surface level, settling 3 supporting osculating elements 30 on the described every longeron 21 and on every row crossbeam 22, the center of each supporting osculating element 30 is respectively on the longeron 21 and on three sections the central point of cutting apart mutually on the crossbeam 22; This supporting osculating element 30 is by steel ball box 32 and place the universal rotation steel ball 33 in the steel ball box 32 to constitute; Described steel ball box 32 is welded by the Q345Mn steel plate, the inner plane size at 32 ends of steel ball box should guarantee maximum displacement of shaking table horizontal bidirectional and shaking table requirement for bearing capacity, for guaranteeing that maximum displacement is X=± 300mm, the shaking table of Y=± 300mm, the inner plane size at the preferred end of steel ball box 32 should be less than 600mm * 600mm, and the inner plane at the end of steel ball box 32 is of a size of 600mm * 600mm; The degree of depth of steel ball box 32 should be slightly less than the diameter of built-in universal rotation steel ball 33, and purpose is to guarantee that universal rotation steel ball 33 can freely rotate in steel ball box 32; Universal rotation steel ball 33 diameters are 50mm; Universal rotation steel ball 33 is clouded in the steel ball box 32, and 33 spaces of universal rotation steel ball are filled by lubricant;

Described each steel ball box 32 respectively with the longeron 21 of its underpart or crossbeam 22 welding, and between the bottom surface of steel ball box 32 and travelling mechanism base plate 25 also welding be parallel to short rail ribbed stiffener 34 longeron 21 or crossbeam 22 and isometric with steel ball box 32 respectively, described short rail ribbed stiffener 34 is also fixedlyed connected by the high-strength bolt 35 that spacing is not more than 200mm with travelling mechanism base plate 25, pitch of bolts is 100mm, to guarantee that level is free to slide bearing unit 30 and has enough strength and stiffness;

Introduce the formation of described flat two-way earthquake simulation shaking table vibrator coupling arrangement unit below.

The utility model provides the formation of a kind of horizontal two-way earthquake simulation shaking table vibrator coupling arrangement unit to comprise:

(1) shown in Figure 17,19,20, it is affixed that vibrator advances steel plate 102 and vibrator 101, vibrator advances steel plate 102 and web joint 103 welding, advance vibrator steel plate 102 and web joint 103 affixed by 2 13.9 grades of high-strength bolts 105 again, described vibrator advances steel plate 102 and web joint 103 to be rectangular steel plates, and the two planar dimension is identical and be 700mm * 700mm; Described vibrator advances steel plate 102 and web joint 103 the two thickness to be 50mm;

(2) shown in Figure 17,19,20,22,23, with the concordant welding rotating shaft in the upper end of web joint 103 interlock steel plate 201, at the bottom of web joint 103 welding rotating shaft interlock steel plate 202, rotating shaft interlock steel plate 201 is two all identical rectangular steel plates of planar dimension and thickness with rotating shaft interlock steel plate 202, rotating shaft interlock steel plate 201 respectively is provided with 4 concentric respectively steel plate circular holes 203 with rotating shaft interlock steel plate 202, rotating shaft interlock steel plate 201,202 planar dimensions are 700mm * 700mm, and described rotating shaft interlock steel plate 201,202 thickness are 60mm;

Steel plate circular hole 203 is used to make rotating steel shaft 301 to pass rotating shaft interlock steel plate 201,202, and rotating steel shaft 301 can freely be rotated in steel plate circular hole 203, the diameter of described steel plate circular hole 203 diameters and rotating steel shaft 301 is complementary, centre distance is 300mm between each steel plate circular hole 203, and center, hole to steel plate Edge Distance is 300mm;

The lower surface of rotating shaft interlock steel plate 201 is processed with 5 hemispherical dimples 201-1 of row, the upper surface of rotating shaft interlock steel plate 202 is processed with two row hemispherical dimples 202-1,202-2, every row pit number is 5, described hemispherical dimples 201-1 cooperates with hemispheric steel ball groove 602, and steel ball groove 602 is mounted with steel ball 902 and both are movingly; Hemispherical dimples 202-1 cooperates with rotating shaft orbit 401 lower surfaces, and hemispherical dimples 202-1 is mounted with steel ball 903 and both are movingly; Hemispherical dimples 202-2 cooperates with vibration table surface mainboard 1 lower surface, and hemispherical dimples 202-2 is mounted with steel ball 904 and both are movingly;

The hemispherical dimples 201-1 degree of depth is 10mm, and the degree of depth of hemispherical dimples 202-1 is 16mm, and the degree of depth of hemispherical dimples 202-2 is 25mm; The diameter of steel ball 902,903,904 is 30mm;

Two rectangular steel plates ribbed stiffeners 104 advance the side faces at both ends welding of steel plate 102 and web joint 103 and rotating shaft interlock steel plate 201,202 respectively with vibrator, further guarantee vibrator advance steel plate 102 and the strength of joint and the rigidity of web joint 103 and rotating shaft interlock steel plate 201,202, described rectangular steel plates ribbed stiffener 104 thickness are that 20mm, planar dimension are 600mm * 600mm;

(3) shown in Figure 17,20,21, described 4 rotating steel shafts 301 are the little concentric variable cross section right cylinder of syllogic of the big two ends of middle part diameter diameter, and the middle part diameter is 120mm, and the two ends diameter is 100mm; The little right cylinder of each rotating steel shaft 301 two ends diameter penetrates respectively in the concentric steel plate circular hole 203 of rotating shaft interlock steel plate 201 and rotating shaft interlock steel plate 202 correspondences, diameter big right cylinder in middle part can roll back and forth along rotating shaft orbit 401 freedom, thereby realizes 1 horizontal shift perpendicular to the vibrator direction of propulsion of vibration table surface mainboard; Each rotating steel shaft 301 bottom centre is processed with the hemispherical dimples 302 that the degree of depth is 10mm, each pit 302 cooperates with the hemispherical dimples 304 of square pit seat 303, steel ball 905 can freely be rotated between pit 302 and hemispherical dimples 304, make rotating steel shaft 301 smooth and easy rotation in circular hole 203, and the deadweight of rotating steel shaft 301 is passed to shaft support steel plate 501; Described steel ball 905 diameters are 30mm;

(4) shown in Figure 17,20,21, advance steel plate 102 lower ends welding shaft support steel plate 501, the steel cushion block 506 of these shaft support steel plate 501 upper surfaces 4 square pit seats 303 of welding and 1 bar shaped at web joint 103 and vibrator; Described square pit seat 303 centers are that hemispherical dimples 304 is concentric, and the length of square pit seat 303 * wide * height is 100mm * 100mm * 60mm; Hemispherical dimples 304 is used to hold steel ball 905 and the deadweight of rotating steel shaft 301 is passed to shaft support steel plate 501; Be used for the deadweight of support 5 and rotating shaft interlock steel plate 2;

202 welding of described steel cushion block 506 upper surfaces and rotating shaft interlock steel plate, lower surface welds with shaft support steel plate 501, is used for deadweight Load Transfer with interlock steel plate 202 to shaft support steel plate 501; Steel cushion block 506 is prisms that length equates with the width of rotating shaft interlock steel plate 202, and its length * wide * height is 700mm * 50mm * 50mm;

(5) shown in Figure 19,20,21,4 steel roller bearings 502 of the lower surface of described shaft support steel plate 501 welding; Pass on each bearing steel roller bearing 502 and nested 3 bearing rolling bearings 503; Bearing rolling bearing 503 serves as that axle freely rotates with bearing steel roller bearing 502, realizes the free displacement in horizontal cross of shaft support steel plate 501 and top support parts thereof;

(6) shown in Figure 17,18,19,21,24,25,26,27, rotating shaft orbit 401 is that the long only l1 of inwall is the band steel beam of U-shaped for the 700mm flat shape, rotating shaft orbit 401U shape middle part cross sectional dimensions h1 * b1 is 50mm * 150mm, and rotating shaft orbit 401U shape two ends cross sectional dimensions h2 * b2 is 50mm * 100mm;

Upper surface at vibration table surface mainboard 1 welds 1 steel cushion block 700 respectively corresponding to rotating shaft orbit 401 end positions earlier, every steel cushion block 700 is connected with connected node plate 801 by 2 10.9 grades of high-strength bolts 802, and rotating shaft orbit 401 is connected by each 1 gusset plate 801 of 4 10.9 grades of high-strength bolts 802 and two ends;

Rotating shaft orbit 401 upper surface middle part are provided with steel ball groove 402, and steel ball groove 402 degree of depth are slightly less than the diameter of steel ball 901, and steel ball groove 402 cooperates with rotating shaft interlock steel plate 201 can freely roll steel ball 901 in steel ball groove 402; The deadweight of rotating shaft orbit 401 is born jointly by each 2 rectangle steel sheet-pile 404 and each 1 box-shaped metal sheet pile 403 at two ends; Each rectangle steel sheet-pile 404 is contour with box-shaped metal sheet pile 403, and rectangle steel sheet-pile 404 height * wide * thick are 500mm * 100mm * 40mm; Box-shaped metal sheet pile 403 is welded by four block plates, and every block plate thickness is 40mm;

The upper end of rectangle steel sheet-pile 404 and box-shaped metal sheet pile 403 is welded in the lower surface of rotating shaft orbit 401, and the lower end is welded in the upper surface of track bearing support steel plate 405;

Respectively settle a steel ball box 504 that is abound with steel ball 505 below each bearing support steel plate 405, the geometric center of bearing support steel plate 405 overlaps with the cross section geometric center of box-shaped metal sheet pile 403, and bearing support steel plate 405 is 350mm along the length l 3 at each protruding box-shaped metal sheet pile 403 two ends of corresponding vibrator direction of propulsion; Steel ball 505 and steel ball box 504 are used to carry the deadweight of rotating shaft orbit 401 and allow rotating shaft orbit 401 to be free to slide in surface level, and steel ball box 504 passes to basis 507 below the steel ball box 504 with rotating shaft orbit 401, rectangle steel sheet-pile 404 and box-shaped metal sheet pile 403 and steel ball 505 deadweights; The diameter of steel ball 505 is 50mm, and each steel ball box 504 is welded by the thick Q345Mn steel plate of 20mm, and inwall is the square of 600mm * 600mm, and clear depth is 45mm in the box; Fill the space by lubricant between the steel ball 505;

(8) shown in Figure 17,24,25, one polyurethane cushion block 406 is respectively pasted in the inboard at rotating shaft orbit 401 two ends, described polyurethane cushion block 406 thickness are 20mm, in order to the adverse effect that prevents that countershaft orbit 401 end accidental impact produce in rotating steel shaft 301 operational processs;

(9) shown in Figure 17,18,19,20, and length corresponding with rotating shaft orbit 401 positions is the steel ball rolling conduit 601 of 700mm in vibration table surface mainboard 1 upper surface welding, steel ball rolling conduit 601 is the bar shaped block of 60mm for width, steel ball rolling conduit 601 thickness are 30mm, steel ball rolling conduit 601 upper surface middle part are established the steel ball groove 602 that the degree of depth is 20mm along its length, and steel ball groove 602 cooperates with semisphere hole 201-1 can freely roll steel ball 902 between the two.

Web joint 103, rectangular steel plates ribbed stiffener 104, rotating shaft interlock steel plate 201,202, rotating steel shaft 301, square pit seat 303, rotating shaft orbit 401, box-shaped metal sheet pile 403, rectangle steel sheet-pile 404, track bearing support steel plate 405, shaft support steel plate 501, bearing steel roller bearing 502, bearing rolling bearing 503, steel ball box 504, steel ball 505, steel cushion block 506, steel ball rolling conduit 601, billet 700, steel ball 901,902,903,904,905 and gusset plate 801 all adopt Q345Mn level steel to make, all steel parts are anticorrosion with painting lacquer in advance all, described being welded to connect all will be passed through ultrasonic inspection, reaches the above class requirement of second-order weld.

Make and install: mesa cells, vibrator coupling arrangement unit and the supporting travelling mechanism unit of at first distinguishing the level of processing two-way earthquake simulation shaking table.Lifting, fixed bearing travelling mechanism make it be fixed in the basis by earth anchor then.The lifting mesa structure directly over its placement and travelling mechanism, makes the supporting osculating element 6 of mesa cells overlap with the centre of form of supporting osculating element 30.Again vibrator coupling arrangement unit is connected with mesa cells.The vibrator that connects vibrator at last advances the web joint 103 of steel plate 102 and vibrator coupling arrangement unit, and vibrator coupling arrangement and vibrator are rigidly connected.Processing, used steel member anticorrosion with painting lacquer in advance all in the manufacturing process.Related being welded to connect of the utility model all passed through ultrasonic inspection, reaches the above class requirement of second-order weld.

The beneficial effects of the utility model are: vibration table surface is from heavy and light, and useful load is big; Table top rigidity is big, The corner frequency height; Internal damping is big, and the operation noise is little; System stiffness is evenly distributed, and has reduced stress and has concentrated existing Resemble; Load capacity and the horizontal displacement ability of shake table have been increased; Reduce the operation friction, avoided connection The mechanical clearance of device and how much coupling influences have improved the operating efficiency of shake table. Be easy to safeguard and upgrading, Simple in structure, cheap, energy consumption is little, efficiency is high.

Claims (1)

1, the system ensemble of horizontal two-way earthquake simulation shaking table, it is characterized in that the horizontal two-way earthquake simulation shaking table mesa cells that this system ensemble is put more energy into by well shape rail beam, horizontal two-way earthquake simulation shaking table supporting travelling mechanism unit and horizontal two-way earthquake simulation shaking table vibrator coupling arrangement unit constitute; Each supporting osculating element (6) of the horizontal two-way earthquake simulation shaking table mesa cells that described well shape rail beam is put more energy into places respectively supporting on the osculating element (30) of horizontal two-way earthquake simulation shaking table supporting travelling mechanism, thereby horizontal two-way earthquake simulation shaking table mesa cells and horizontal two-way earthquake simulation shaking table supporting travelling mechanism unit that described well shape rail beam is put more energy into form annexation;

The upper surface of the table top mainboard (1) of the horizontal two-way earthquake simulation shaking table mesa cells that described well shape rail beam is put more energy into welds 1 steel cushion block (700) respectively corresponding to rotating shaft orbit (40 1) end positions of shaking table vibrator coupling arrangement, every steel cushion block (700) is connected with connected node plate (801) by 2 10.9 grades high-strength bolts (802), and rotating shaft orbit (401) is connected by each 1 gusset plate (801) of 4 10.9 grades high-strength bolts (802) and two ends; Like this, just horizontal two-way earthquake simulation shaking table mesa cells and the horizontal two-way earthquake simulation shaking table vibrator coupling arrangement unit that well shape rail beam is put more energy into couples together;

The web joint (103) of described horizontal two-way earthquake simulation shaking table vibrator coupling arrangement unit advances steel plate (102) welding with vibrator, advance web joint (103) and vibrator steel plate (102) affixed by 2 13.9 grades high-strength bolts (105) again, like this, just comprehensive system of horizontal two-way earthquake simulation shaking table and vibrator are coupled together;

The horizontal two-way earthquake simulation shaking table table top that described well shape rail beam is put more energy into constitute table top mainboard (1), well shape rail beam put more energy into unit (2) and supporting osculating element (6);

Described table top mainboard (1) is welded by steel plate; Table top mainboard (1) upper surface is welded with the anti-skidding clad can steel plate of chevron (5); On the upper surface of described table top mainboard (1), be fixed to be measured required a plurality of reservation high-strength bolts holes (13) through machine drilling, this reservation high-strength bolt hole (13) also connects the anti-skidding clad can steel plate of chevron (5), and each reserves the upper surface that high-strength bolt hole (13) is evenly arranged in table top mainboard (1) and the anti-skidding clad can steel plate of chevron (5);

The described well shape rail beam lower surface formation that table top mainboard (1) was placed and be welded in unit (2) by laterally continuously rail beam (3) and longitudinal divisions rail beam (4) square crossing of putting more energy into; Horizontal continuously each crossover node of rail beam (3) and longitudinal divisions rail beam (4) is welded in the soffit of girder of the laterally continuous rail beam (3) of crossover node and the soffit of girder of longitudinal divisions rail beam (4) respectively by the triangular steel plate ribbed stiffener (8) of 4 corner cuts, planing;

Described table top mainboard (1) following every laterally continuously rail beam (3) and longitudinal divisions rail beam (4) each evenly settle 3 to support osculating elements (6); The center of each supporting osculating element (6) is respectively on three sections the central point of cutting apart mutually of laterally continuous rail beam (3) and longitudinal divisions rail beam (4);

Described supporting osculating element (6) by etc. big foursquare upper strata Q235 steel plate (9) and the Q345Mn of lower floor steel plate (10) be fastenedly connected composition by immersing oneself in high-strength bolt (11) respectively at upper strata Q235 steel plate (9) and the Q345Mn of lower floor steel plate (10) four jiaos and central point;

Described short rail ribbed stiffener (7) be between the Q235 steel plate (9) of upper surface of supporting osculating element (6) and table top mainboard (1), be provided with 4 respectively the continuous rail beam of parallel transverse (3) and longitudinal divisions rail beam (4) and with the short rail of the equal in length that supports osculating element (6), short rail ribbed stiffener (7) all welds with the upper surface of the upper strata Q235 steel plate (9) that supports osculating element (6) and the lower surface of table top mainboard (1), also uses high-strength bolt (14) laterally continuous rail beam (3), longitudinal divisions rail beam (4) and short rail ribbed stiffener (7) are connected with the Q235 steel plate (9) of supporting osculating element (6);

Described horizontal two-way earthquake simulation shaking table supporting travelling mechanism has the formation of travelling mechanism that base plate (25), well shape put more energy into unit (20), horizontal vertical rail beam crossover node ribbed stiffener (23), supporting osculating element (30), short rail ribbed stiffener (34), travelling mechanism fixedly earth anchor (41-1,41-2) and base plate otic placode (42) can be arranged;

Described travelling mechanism base plate (25) is made of steel plate; Each welding of two edge is no less than 3 base plate otic placodes (42), and thickness is identical with travelling mechanism base plate (25) thickness, and the fixing hole that is complementary of earth anchor (41-1) of porose footpath and travelling mechanism is used to pass fixedly earth anchor (41-1) of travelling mechanism in the middle part of it;

Described travelling mechanism fixedly earth anchor (41-1) top is a rectangular parallelepiped for the right cylinder bottom, the travelling mechanism fixedly bottom of earth anchor (41-1) is fixed in the conduit (43), travelling mechanism is the fixing earth anchor (41-2) of top nested travelling mechanism of earth anchor (41-1) fixedly, the two cooperation is fixed in the conduit (43) whole supporting travelling mechanism, and conduit (43) is fixed on the basis (44);

Travelling mechanism base plate (25) upper surface welds 2 continuously vertically rail beams (21) and the horizontal rail beams of 2 row segmentations (22) formation well shape unit (20) of putting more energy into respectively by groined type;

At each well shape put more energy into the continuously vertically rail beam (21) of unit 20 and the crossover node of the horizontal rail beams of 2 row segmentations (22), be that the corner cut more than the Q235 level, the right angled isosceles triangle steel plate of planing weld the soffit of girder of the soffit of girder of longeron (21) and crossbeam 22 by 4 bulk strengths respectively;

Described every longeron (21) go up and every row crossbeam (22) on settle 3 supporting osculating elements (30), the center of each supporting osculating element (30) respectively longeron (21) go up and crossbeam (22) on three sections the central point of cutting apart mutually on; This supporting osculating element (30) is by steel ball box (32) and place the universal rotation steel ball (33) in the steel ball box (32) to constitute; Described steel ball box (32) is welded by the Q345Mn steel plate, the inner plane size at 32 ends of steel ball box should guarantee maximum displacement of shaking table horizontal bidirectional and shaking table requirement for bearing capacity, the degree of depth of steel ball box (32) should be slightly less than the diameter of built-in universal rotation steel ball (33), guarantee that universal rotation steel ball (33) can freely rotate in steel ball box (32), universal rotation steel ball 33 is clouded in the steel ball box (32), and the space is filled by lubricant between ball;

Described each steel ball box (32) respectively with the longeron (21) of its underpart or crossbeam (22) welding, and between the bottom surface of steel ball box (32) and travelling mechanism base plate (25) also welding be parallel to continuously vertically rail beam (21) and short rail ribbed stiffener (34) the horizontal rail beams of 2 row segmentations (22) and isometric with steel ball box (32) respectively, described short rail ribbed stiffener (34) is also fixedlyed connected by high-strength bolt (35) with travelling mechanism base plate 25;

Being constructed as follows of horizontal two-way earthquake simulation shaking table vibrator coupling arrangement: web joint (103) advances steel plate (102) welding with vibrator, affixed again the two by 2 13.9 grades high-strength bolts (105), described web joint (103) and vibrator advance steel plate (102) to be the rectangular steel plates that size equates;

The concordant welding rotating shaft in upper end interlock steel plate (201) with web joint (103), at the bottom of web joint (103) welding rotating shaft interlock steel plate (202), rotating shaft interlock steel plate (201) is two all identical rectangular steel plates of planar dimension and thickness with rotating shaft interlock steel plate (202), and rotating shaft interlock steel plate (201) respectively is provided with concentric respectively 4 steel plate circular holes (203) with rotating shaft interlock steel plate (202); Described rotating shaft interlock steel plate (201) and rotating shaft interlock steel plate (202) are measure-alike;

The cylindrical diameter that the two ends diameter of described steel plate circular hole (203) diameter and rotating steel shaft (301) is little is complementary, the right cylinder that the two ends diameter of rotating steel shaft (301) is little passes steel plate circular hole (203) respectively, and rotating steel shaft (301) can freely be rotated in steel plate circular hole (203), centre distance should be less than 3 times steel plate circular hole (203) Circularhole diameter between each steel plate circular hole (203), and center, hole to steel plate Edge Distance should be less than 2 times steel plate circular hole (203) Circularhole diameter;

The lower surface of rotating shaft interlock steel plate (201) is processed with 5 hemispherical dimples of row (201-1), the upper surface of rotating shaft interlock steel plate (202) is processed with two row hemispherical dimples (202-1,202-2), every row pit number is 5, described hemispherical dimples (201-1) cooperates with hemispheric steel ball groove (602), and steel ball groove (602) is mounted with steel ball (902) and both are movingly; Hemispherical dimples (202-1) cooperates with rotating shaft orbit (401) lower surface, and hemispherical dimples (202-1) is mounted with steel ball (903) and both are movingly; Hemispherical dimples (202-2) cooperates with vibration table surface mainboard (1) lower surface, and hemispherical dimples (202-2) is mounted with steel ball (904) and both are movingly;

Hemispherical dimples (201-1) degree of depth should be slightly less than the radius of steel ball (902), and the degree of depth of hemispherical dimples (202-1) should be slightly larger than the radius of steel ball (903), and the degree of depth of hemispherical dimples (202-2) should be slightly larger than the radius of steel ball (904); The equal diameters of steel ball (902), steel ball (903) and steel ball (904);

Two rectangular steel plates ribbed stiffeners (104) advance the side faces at both ends of steel plate (102), web joint (103), rotating shaft interlock steel plate (201) and (202) to weld with vibrator respectively;

4 rotating steel shafts (301) are the little concentric variable cross section right cylinder of syllogic of the big two ends of middle part diameter diameter, diameter little right cylinder in each rotating steel shaft (301) two ends penetrates respectively in the corresponding concentric steel plate circular hole (203) of rotating shaft interlock steel plate (201) and rotating shaft interlock steel plate (202), the big right cylinder of middle part diameter can along rotating shaft orbit (401) freedom back and forth scrolling realization vibration table surface mainboard (1) perpendicular to the horizontal shift of vibrator direction of propulsion; Each rotating steel shaft (301) bottom centre is processed with the hemispherical dimples (302) that the degree of depth is slightly less than steel ball (905) radius, each pit (302) cooperates with the hemispherical dimples (304) of square pit seat (303), steel ball (905) can freely be rotated between pit (302) and hemispherical dimples (304), make rotating steel shaft (301) smooth and easy rotation in circular hole (203), and the deadweight of rotating steel shaft (301) is passed to shaft support steel plate (501);

Advance steel plate (102) lower end welding shaft support steel plate (501), the steel cushion block (506) of these shaft support steel plate (501) upper surface welding 4 square pit seats (303) and 1 bar shaped at web joint (103) and vibrator; There is hemispherical dimples (304) at described square pit seat (303) center, and hemispherical dimples (304) is used to hold steel ball (905) and the deadweight of rotating steel shaft (301) is passed to shaft support steel plate (501);

The welding of described steel cushion block (506) upper surface and rotating shaft interlock steel plate (202), lower surface welds with shaft support steel plate (501), is used for deadweight Load Transfer with interlock steel plate (202) to shaft support steel plate (501); Steel cushion block (506) is the prism that length equates with the width of rotating shaft interlock steel plate (202);

The lower surface welding of shaft support steel plate (501) is no less than 2 bearing steel roller bearings (502); Pass on each bearing steel roller bearing (502) and nested 2 the bearing rolling bearings (503) that are no less than; Bearing rolling bearing (503) serves as that axle freely rotates with bearing steel roller bearing (502), realizes the free displacement in horizontal cross of shaft support steel plate (501) and top support parts thereof;

Rotating shaft orbit (401) is that flat shape is the band steel beam of U-shaped;

Upper surface at vibration table surface mainboard (1) welds 1 steel cushion block (700) respectively corresponding to rotating shaft orbit (401) end positions, every steel cushion block (700) is connected with connected node plate (801) by 2 10.9 grades high-strength bolts (802), and rotating shaft orbit (401) is connected by each 1 gusset plate (801) of 4 10.9 grades high-strength bolts (802) and two ends;

Rotating shaft orbit (401) upper surface middle part is provided with steel ball groove (402), steel ball groove (402) degree of depth is slightly less than the diameter of steel ball (901), and steel ball groove (402) cooperates with rotating shaft interlock steel plate (201) can freely roll steel ball (901) in steel ball groove (402); The deadweight of rotating shaft orbit (401) is born jointly by each 2 rectangle steel sheet-pile (404) and each 1 box-shaped metal sheet pile (403) at two ends; Each rectangle steel sheet-pile (404) is contour with box-shaped metal sheet pile (403); Box-shaped metal sheet pile (403) is welded by the steel plate of four equidimensions;

The upper end of rectangle steel sheet-pile (404) and box-shaped metal sheet pile (403) is welded in the lower surface of rotating shaft orbit (401), and the lower end is welded in the upper surface of track bearing support steel plate (405);

Respectively settle a steel ball box (504) that is abound with steel ball (505) below each bearing support steel plate (405), the geometric center of bearing support steel plate (405) overlaps with the cross section geometric center of box-shaped metal sheet pile (403), bearing support steel plate (405) should guarantee that along the length l 3 at each protruding box-shaped metal sheet pile (403) two ends of corresponding vibrator direction of propulsion shaking table reaches maximum displacement X=± 300mm, Y=± 300mm;

Steel ball (505) and steel ball box (504) are used to carry the deadweight of rotating shaft orbit (401) and allow rotating shaft orbit (401) to be free to slide in surface level, and steel ball box (504) passes to the following basis (507) of steel ball box (504) with rotating shaft orbit (401), rectangle steel sheet-pile (404) and box-shaped metal sheet pile (403) and steel ball (505) deadweight; Each steel ball box (504) is welded by the Q345Mn steel plate, and clear depth is slightly less than the diameter of steel ball (505) in the box; Fill the space by lubricant between the steel ball (505);

One polyurethane cushion block (406) is respectively pasted in the inboard at rotating shaft orbit (401) U-shaped two ends;

At vibration table surface mainboard (1) upper surface welding and steel ball rolling conduit (601) that with rotating shaft orbit (401) inwall only long l1 equate corresponding with rotating shaft orbit (401) position, steel ball rolling conduit (601) upper surface middle part is established the steel ball groove (602) that the degree of depth is slightly larger than steel ball (902) radius along its length, and steel ball groove (602) cooperates with semisphere hole (201-1) can freely roll steel ball (902) between the two.

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