CN104568356A - Vehicle-rail-bridge shaking table test device with circular rail - Google Patents
Vehicle-rail-bridge shaking table test device with circular rail Download PDFInfo
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- CN104568356A CN104568356A CN201510050365.XA CN201510050365A CN104568356A CN 104568356 A CN104568356 A CN 104568356A CN 201510050365 A CN201510050365 A CN 201510050365A CN 104568356 A CN104568356 A CN 104568356A
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Abstract
The invention relates to a vehicle-rail-bridge shaking table test device with a circular rail. The vehicle-rail-bridge shaking table test device comprises a vehicle model (3) used for simulating a high-speed rail train, a circulatory rail used for providing a circulatory running track for the vehicle model (3), a shaking table (4) used for simulating bridge earthquake states from the bottom of a bridge model (4), a guide section rail support (6) used for supporting the end of the circulatory rail from the bottom, and a test data acquiring device (12). An anti-loosening mechanism used for preventing the vehicle model (3) from falling off the circulatory rail is arranged between the vehicle model (3) and the circulatory rail.
Description
Technical field
The present invention relates to high-speed railway vibration rig, be specifically related to a kind of vehicle-track-bridge vibration bench teat experiment device with circular orbit.
Background technology
Although the starting of China railways cause is late, development is swift and violent, no matter be nowadays that total kilometrage and travelling speed all come prostatitis, the world.Because China is vast in territory, complex geologic conditions, railway inevitably will cross over the severe geographic area such as valley, many mountains and rivers, rivers and lakes, therefore bridge proportion in rail track is large, high ferro circuit especially in recent years.High-speed railway is the requirement meeting Track regularity and stability, often continuous several kilometers even tens kilometers all adopt overpass, when earthquake is occurred, the probability of train on bridge is very large.The derailing of geological process Train or capsizing case happen occasionally both at home and abroad, and China is earthquake-prone countries, and under Study of Seismic effect, safe, the comfortable operation of bullet train and vehicle bridge coupling vibration performance become the focus that governments at all levels and the people pay close attention to.The research of geological process Train operation stability and vehicle bridge coupling vibration is now still confined to theoretical analysis and numerical simulation, and lack verification experimental verification, main cause is that relevant testing equipment and experimental technique are few.Therefore, a kind of Novel vibration table Train Dynamic simulation experiment system is studied significant.
Summary of the invention
In order to make up the defect of prior art, patent of the present invention provides a kind of vehicle-track-bridge vibration bench teat experiment device with circular orbit, can real simulation geological process Train operation stability and vehicle bridge coupling vibration.
In order to realize above-mentioned technical purpose, the technical scheme of patent of the present invention is: a kind of vehicle-track-bridge vibration bench teat experiment device with circular orbit comprise auto model for simulating high ferro train, for provide auto model circular flow track cyclic track, for from the shaking table of bridge model bottom analog earthquake state, for from the boot segment track support of cyclic track bottom support cyclic track end and Test Data Collecting equipment; The escapement for preventing auto model from coming off from cyclic track is provided with between auto model and cyclic track.
Alternatively, escapement adopt along cyclic track lay direction be arranged in cyclic track surface and for the wheel that limits auto model along cyclic track radial deviate from guide rail.
Alternatively, escapement adopts and is parallel to cyclic track direction and arranges and the guide rail of two relative direction anchor ear wheels from the wheel of auto model.
Alternatively, escapement adopts the channled rail being parallel to cyclic track direction and arranging, the bottom land of channled rail near the lateral wheel wheel face of auto model, notch wheel face inside the wheel of auto model of channled rail.
Alternatively, cyclic track is vertically arranged, cyclic track comprises the boot segment track on the ventricumbent top of track, test section track, the transition section track of the supine bottom of track and is laid in the guide rail of cyclic track surface for preventing vehicle from deviating from; Transition section track is for the test section track of the boot segment track and bottom that are communicated with top; Guide rail is laid along the orbit centre axle of cyclic track.
Alternatively, cyclic track is arranged in the horizontal direction, and cyclic track comprises the supine test section track (2) of track, be located at test section track two ends and for the horizontal annular boot segment track, the transition section track that auto model are led back in an annular manner test section track and be laid in the guide rail that cyclic track surface is used for preventing vehicle from deviating from; Transition section track is for being communicated with the horizontal annular boot segment track at two ends and middle test section track; Guide rail is laid along the orbit centre axle of cyclic track.
Alternatively, transition section track test section track vibration impacted for reducing boot segment track/horizontal annular boot segment track is also provided with between test section track and boot segment track/horizontal annular boot segment track; The first end of transition section track is connected with test section track with rubber guide rail by universal hinge; Second end of transition section is connected with boot segment track/horizontal annular boot segment track with rubber guide rail by universal hinge.
Alternatively, bridge model comprises girder, be supported on bridge pier bottom girder, and bridge pier is fixing on a vibration table; Bridge model girder both sides are provided with the sensor for induction vibration information.
Alternatively, auto model comprises vehicle body platform, and vehicle body platform both sides are equipped with two groups of wheels respectively; Vehicle body platform is provided with vibrator, accumulator, the control box of band touch-screen and weight mass block; Electric machine speed regulation controller, orientation triggering switch, emergency stop switch, PLC control and power switch is provided with in control box.
Alternatively, wheel hub is provided with bottom vehicle body platform, for the bearing of support wheel wheel shaft and the driving shaft for connecting front wheel wheel shaft and rear wheel wheel shaft; Wheel hub is equipped with steering gear; Wheel hub is connected with driving shaft by shaft coupling, and the position that wheel hub connects with driving shaft is provided with scrambler; The output terminal of brshless DC motor connects on the driving shaft by speed reduction unit; Axle brake apparatus driving shaft is equipped with; Vehicle body platform is provided with the sensor of exercising information for sense vehicle model.
Advantageous Effects of the present invention is:
1, apparatus function is advanced
Device can under test simulation earthquake top train cause the weak effect of bridge and shaking table to cause bridge to shake pretend with intercoupling, realize the hybrid analog-digital simulation of train and earthquake, single-row train running can be completed, two car meetings or parallel wait static(al) under operating condition, dynamic test research, for the experimental study of the train operation stability under geological process and vehicle bridge coupling vibration performance provides technology guarantee.
2, auto model perfect in shape and function of the present invention, can real simulation vehicle bestir load
Auto model self installs propulsion system, tow, and mode of motion can be arranged in advance during test without the need to the external world.Meanwhile, auto model axle is heavy can be changed by adjustment weight mass block, and wheelbase also can regulate, and auto model has been installed electromagnetic type inertia vibration generator, and vibrator adopts MIMO closed-loop control system to carry out vibration control.Auto model can encourage load by simulating vehicle comparatively truly, thus obtains test figure more accurately.
3, the present invention can realize auto model repeatedly reciprocal and high-speed cruising
By vehicle operating control system and vehicle power drive unit, can the multiple operating condition of simulating vehicle model on bridge effectively, comprise acceleration, slow down and at the uniform velocity pass through bridge model; Meanwhile, the wheel of auto model is sliding to be embedded in circular orbit, and guarantee that auto model is able to run along circular orbit, when guaranteeing auto model high-speed cruising, under the effect of turnaround section centrifugal force, auto model is unlikely to depart from circular orbit simultaneously.
Below in conjunction with accompanying drawing, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is the shaft side figure that the vertical single line of the embodiment of the present invention has the vehicle-track-bridge vibration bench teat experiment device of circular orbit;
Fig. 2 is the front view that the vertical single line of the embodiment of the present invention has the vehicle-track-bridge vibration bench teat experiment device of circular orbit;
Fig. 3 is the shaft side figure that the vertical two-wire of the embodiment of the present invention has the vehicle-track-bridge vibration bench teat experiment device of circular orbit;
Fig. 4 is the front view that the vertical two-wire of the embodiment of the present invention has the vehicle-track-bridge vibration bench teat experiment device of circular orbit;
Fig. 5 is the shaft side figure that the horizontal single line of the embodiment of the present invention has the vehicle-track-bridge vibration bench teat experiment device of circular orbit;
Fig. 6 is 1-1 cross section view in Fig. 2;
Fig. 7 is 2-2 cross section view in Fig. 4;
Fig. 8 is the schematic diagram of boot segment and test section and transition section hinged place;
Fig. 9 is the cross section view of boot segment and test section hinged place;
Figure 10 is the one-piece construction schematic diagram of auto model;
Figure 11 is the one-piece construction schematic diagram after the adjustment length of wagon of auto model;
Figure 12 is the underbody structure planimetric map of auto model;
Figure 13 is the body structure schematic diagram of auto model;
Figure 14 is the schematic diagram of control box;
Figure 15 is the schematic diagram of control box interior arrangement;
Figure 16 is the schematic diagram of weight mass block;
Figure 17 is the schematic diagram of accumulator.
Wherein, 1 is boot segment track, 2 is test section track, 3 is auto model, 4 is bridge model, 5 is bridge pier, 6 is boot segment track support, 7 is sensor, 8 is wheel, 9 is guide rail, 10 is orbit centre axle, 11 is horizontal annular boot segment track, 12 is Test Data Collecting equipment, 13 is vibrator, 14 is accumulator, 15 is control box, 16 is touch-screen, 17 is axle brake apparatus, 18 is shaft coupling, 19 is bearing, 20 is weight mass block, 21 is electric machine speed regulation controller, 22 is brshless DC motor, 23 is vehicle body platform, 24 is scrambler, 25 is steering gear, 26 is driving shaft, 27 is speed reduction unit, 28 is bolt hole, 29 is bolt, 30 is orientation triggering switch, 31 is emergency stop switch, 32 is PLC control, 33 is universal hinge, 34 is wheel hub, 35 is power switch, 36 is shaking table, 37 is transition section track, 38 is rubber guide rail.
Embodiment
Further illustrating below to the technology of the present invention content, but the restriction not to flesh and blood of the present invention.
Fig. 1 is the shaft side figure that the vertical single line of the embodiment of the present invention has the vehicle-track-bridge vibration bench teat experiment device of circular orbit; Fig. 2 is the front view that the vertical single line of the embodiment of the present invention has the vehicle-track-bridge vibration bench teat experiment device of circular orbit; Fig. 3 is the shaft side figure that the vertical two-wire of the embodiment of the present invention has the vehicle-track-bridge vibration bench teat experiment device of circular orbit; Fig. 4 is the front view that the vertical two-wire of the embodiment of the present invention has the vehicle-track-bridge vibration bench teat experiment device of circular orbit; Fig. 5 is the shaft side figure that the horizontal single line of the embodiment of the present invention has the vehicle-track-bridge vibration bench teat experiment device of circular orbit; Fig. 6 is 1-1 cross section view in Fig. 2; Fig. 7 is 2-2 cross section view in Fig. 4; Fig. 8 is the schematic diagram of boot segment and test section and transition section hinged place; Fig. 9 is the cross section view of boot segment and test section hinged place; Figure 10 is the one-piece construction schematic diagram of auto model; Figure 11 is the one-piece construction schematic diagram after the adjustment length of wagon of auto model; Figure 12 is the underbody structure planimetric map of auto model; Figure 13 is the body structure schematic diagram of auto model; Figure 14 is the schematic diagram of control box; Figure 15 is the schematic diagram of control box interior arrangement; Figure 16 is the schematic diagram of weight mass block; Figure 17 is the schematic diagram of accumulator.
As shown in Figure 1, a kind of vehicle-track-bridge vibration bench teat experiment device with circular orbit of the embodiment of the present invention, comprise the auto model 3 for simulating high ferro train, for provide auto model 3 circular flow track cyclic track, for from the shaking table 36 of bridge model 4 bottom analog earthquake state, for from the boot segment track support 6 of cyclic track bottom support cyclic track end and Test Data Collecting equipment 12; The escapement for preventing auto model 3 from coming off from cyclic track is provided with between auto model 3 and cyclic track.
It is also, escapement adopt along cyclic track lay direction be arranged in cyclic track surface and for the wheel 8 that limits auto model 3 along cyclic track radial deviate from guide rail 9.
It is also, escapement adopts and is parallel to cyclic track direction and arranges and the guide rail 9 of two relative direction anchor ear wheels 8 from the wheel 8 of auto model 3.
It is also, escapement adopts the channled rail being parallel to cyclic track direction and arranging, bottom land wheel face outside the wheel 8 of auto model 3 of channled rail, notch wheel face inside the wheel 8 of auto model 3 of channled rail.
It is also, cyclic track is vertically arranged, cyclic track comprises the boot segment track 1 on the ventricumbent top of track, test section track 2, the transition section track 37 of the supine bottom of track and is laid in the guide rail 9 of cyclic track surface for preventing vehicle from deviating from; Transition section track 37 is for the test section track 2 of the boot segment track 1 with bottom that are communicated with top; Guide rail 9 is laid along the orbit centre axle 10 of cyclic track.
It is also, cyclic track is arranged in the horizontal direction, and cyclic track comprises the supine test section track 2 of track, be located at test section track 2 two ends and for the horizontal annular boot segment track 11, the transition section track that auto model 3 are led back in an annular manner test section track 2 and be laid in the guide rail 9 that cyclic track surface is used for preventing vehicle from deviating from; Transition section track 37 is for being communicated with the horizontal annular boot segment track 11 at two ends and middle test section track 2; Guide rail 9 is laid along the orbit centre axle 10 of cyclic track.
It is also, is also provided with the transition section track 37 impacted for reducing boot segment track 1/ horizontal annular boot segment track 11 pairs of test section track vibrations between test section track 2 and boot segment track 1/ horizontal annular boot segment track 11; The first end of transition section track 37 is connected with test section track 2 with rubber guide rail 38 by universal hinge 33; Second end of transition section 37 is connected with boot segment track 1/ horizontal annular boot segment track 11 with rubber guide rail 38 by universal hinge 33.
It is also, bridge model 4 comprises girder, be supported on bridge pier 5 bottom girder, and bridge pier 5 is fixed on shaking table 36; Bridge model 4 girder both sides are provided with the sensor 7 for induction vibration information.
It is also, auto model 3 comprises vehicle body platform 23, and vehicle body platform 23 both sides are equipped with two groups of wheels 8 respectively; Vehicle body platform 23 is provided with vibrator 13, accumulator 14, the control box 15 being with touch-screen 16 and weight mass block 20; Electric machine speed regulation controller 21, orientation triggering switch 30, emergency stop switch 31, PLC control 32 and power switch (35) is provided with in control box 15.
It is also, is provided with wheel hub 34, for the bearing 19 of support wheel wheel shaft 34 and the driving shaft 26 for connecting front wheel wheel shaft 34 and rear wheel wheel shaft 34 bottom vehicle body platform 23; Steering gear 25 wheel hub 34 is equipped with; Wheel hub 34 is connected with driving shaft 26 by shaft coupling 18, and the position that wheel hub 34 connects with driving shaft 26 is provided with scrambler 24; The output terminal of brshless DC motor 22 is connected on driving shaft 26 by speed reduction unit 27; Axle brake apparatus 17 driving shaft 26 is equipped with; Vehicle body platform 23 is provided with the sensor 7 of exercising information for sense vehicle model 3.
As shown in Fig. 1,2,6, a kind of vehicle-track-bridge vibration bench teat check system with circular orbit comprises bridge model 4, auto model 3, vertical circular orbit, shaking table 36, sensor 7, boot segment track support 6, the Test Data Collecting equipment 12 laid.Test section track 2 is fixed on bridge model 4, and the circular orbit boot segment of the vertical circular orbit laid supports fixing by boot segment track support 6.Bridge model 4 is arranged on shaking table 36 by bridge pier 5.Boot segment track 1 and test section track 2 and transition section 37 track adopt universal hinge 33 hinged, form closed loop circular orbit, circular orbit is single-line railway, and auto model 3 runs along the closed loop circular orbit cocycle of test section track 2 and boot segment track 1 and transition section track 37 track composition.
As shown in Fig. 3,4,7, a kind of vehicle-track-bridge vibration bench teat check system with circular orbit comprises bridge model 4, auto model 3, vertical circular orbit, shaking table 36, sensor 7, boot segment track support 6, the Test Data Collecting equipment 12 laid.Test section track 2 is fixed on bridge model 4, and boot segment track 1 supports fixing by boot segment track support 6.Bridge model 4 is arranged on shaking table 36 by bridge pier 5.Boot segment track 1 and test section track 2 and transition section track 37 track adopt universal hinge 33 hinged, form closed loop circular orbit, circular orbit is two-wire track, and auto model 3 runs along the closed loop circular orbit cocycle of test section track 2 and boot segment track 1 and transition section 37 track composition.
As shown in Figure 5, a kind of vehicle-track-bridge vibration bench teat check system with circular orbit comprises bridge model 4, auto model 3, horizontal annular track, shaking table 36, sensor 7, boot segment track support 6, Test Data Collecting equipment 12.Test section track 2 is fixed on bridge model 4, and the horizontal annular track boot segment 11 of horizontal annular track supports fixing by boot segment track support 6.Bridge model 4 is arranged on shaking table 36 by bridge pier 5.Horizontal boot segment track 1 and test section track 2 and transition section 37 track adopt universal hinge 33 hinged, form closed loop circular orbit, circular orbit is single-line railway, and auto model 3 runs along the closed loop circular orbit cocycle of test section track 2 and boot segment track 1 and transition section 37 track composition.
As shown in Figure 6, in figure, auto model 3 comprises vehicle power drive unit and wheel 8, wheel 8 is sliding to be embedded in guide rail 9, guarantee that auto model 3 is able to run along circular orbit, when guaranteeing auto model 3 high-speed cruising, under the effect of turnaround section centrifugal force, auto model 3 is unlikely to depart from circular orbit simultaneously; Test section track 2 is fixed on bridge model 4 simultaneously.
As shown in Figure 7, in figure, auto model 3 comprises vehicle power drive unit and wheel 8, wheel 8 is sliding to be embedded in guide rail 9, guarantee that auto model 3 is able to run along circular orbit, when guaranteeing auto model 3 high-speed cruising, under the effect of turnaround section centrifugal force, auto model 3 is unlikely to depart from circular orbit simultaneously; Boot segment track 1 is fixed on orbit centre axle 10 simultaneously.The effect of orbit centre axle 10 is for fixing and supporting guide 9.
As shown in Figure 8, Figure 9, transition section 37 track is set between test section track 2 and boot segment track 1, test section track 2 and transition section 37 track, universal hinge 33 is all adopted to connect between boot segment track 1 and transition section 37 track, adopt rubber guide rail 38 at hinged place guide rail, decrease the impact that boot segment track 1 vibrates bridge vibration model 4.
As shown in Figure 10, auto model 3 is five parts mainly, are car body, vibrator 13, accumulator 14, control box 15, weight mass block 20 respectively.Accumulator 14, control box 15 are arranged on vehicle body platform 23 both sides of car body; Vibrator 13 is by the middle part of the vehicle body platform 23 that is reliably mounted on car body, and vibrator 13 can horizontal positioned, also can be vertical placement, apply horizontal drive and vertical drive respectively to model; Weight mass block 20 is arranged on the both sides of vibrator 13, and weight mass block 20 can adjust as required, to simulate different axle weights.
As shown in figure 11, the vehicle body platform 23 of auto model 3 can be divided into three pieces, and there is crossing lap middle and junction, both sides, and the length of lap can regulate, and all has bolt hole 28, with bolt 29, vehicle body platform 23 3 part is carried out anchoring.After the length of adjustment vehicle body platform 23, then change the driving shaft 26 of corresponding length, so just can the wheelbase of adjustment model car antero posterior axis.The steel plate of vehicle body platform 23 3 portion connection all has enough Rigidity and strengths.
As shown in Figure 12 and Figure 13, model car adopts brshless DC motor 22 to drive, and brshless DC motor 22 is arranged on bottom vehicle body platform 23, and motor crankshaft adopts shaft coupling 18 to be connected with the input shaft of speed reduction unit 27.Speed reduction unit 27 output shaft and driving shaft 26 adopt shaft coupling 18 to be connected, and speed reduction unit 27 can reduce the rotating speed that motor exports, and then controls car load travel speed.Installation shaft brake apparatus 17 on driving shaft 26, when model car arrives assigned address, or when being in a state of emergency, can brake in time.Driving shaft 26 is installed rotary encoder 24, can judgment models car range ability, and feed back real-time speed and the range ability of vehicle.The front and back wheel shaft 34 of model car all installs steering gear 25, makes model car can change the direction of operation at random in operational process, advance or retreat.The wheel hub 34 of model wheel 8 is arranged on car body by bearing 19, and wheel 8 is arranged on wheel shaft 34, and wheel 8 is dismountable, can more wheel change 8 as required.Sensor installation 7 on model car, sensor 7 can in test model car operational process axletree place the changing value of pressure and the vibration acceleration of car body in operational process.
As shown in Figure 14, Figure 15, control box 15 is provided with touch-screen 16 above, inner installation power switch 35, emergency stop switch 31, orientation triggering switch 30, electric machine speed regulation controller 21 and PLC control 32.
Figure 16 is the schematic diagram of weight mass block 20, and weight mass block 20 is arranged on vehicle body platform 23, can be how many according to the great little adjustment balancing weight that carries out of desired simulation axle.
Figure 17 is the schematic diagram of accumulator 14.Accumulator 14 is arranged on vehicle body platform 23 end, for motor provides direct current.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the invention; every equivalent structure transformation utilizing description of the present invention to do, or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. one kind has the vehicle-track-bridge vibration bench teat experiment device of circular orbit, it is characterized in that, comprise the auto model (3) for simulating high ferro train, for provide auto model (3) circular flow track cyclic track, for from the shaking table (36) of bridge model (4) bottom analog earthquake state, for from the boot segment track support (6) of cyclic track bottom support cyclic track end and Test Data Collecting equipment (12); The escapement for preventing auto model (3) from coming off from cyclic track is provided with between auto model (3) and cyclic track.
2. vehicle-track-bridge vibration bench teat the experiment device with circular orbit according to claim 1, it is characterized in that, escapement adopt along cyclic track lay direction be arranged in cyclic track surface and for the wheel (8) that limits auto model (3) along cyclic track radial deviate from guide rail (9).
3. vehicle-track-bridge vibration bench teat the experiment device with circular orbit according to claim 2, it is characterized in that, escapement adopts and is parallel to cyclic track direction and arranges and the guide rail (9) of two relative direction anchor ear wheels (8) from the wheel (8) of auto model (3).
4. vehicle-track-bridge vibration bench teat the experiment device with circular orbit according to claim 2, it is characterized in that, escapement adopts the channled rail being parallel to cyclic track direction and arranging, wheel (8) the outside wheel face of bottom land near auto model (3) of channled rail, wheel (8) the inner side wheel face of notch near auto model (3) of channled rail.
5. vehicle-track-bridge vibration bench teat the experiment device with circular orbit according to any one of claim 1 to 4, it is characterized in that, cyclic track is vertically arranged, cyclic track comprises the boot segment track (1) on the ventricumbent top of track, test section track (2), the transition section track (37) of the supine bottom of track and is laid in the guide rail (9) of cyclic track surface for preventing vehicle from deviating from; Transition section track (37) is for the test section track (2) of the boot segment track (1) Yu bottom that are communicated with top; Guide rail (9) is laid along the orbit centre axle (10) of cyclic track.
6. vehicle-track-bridge vibration bench teat the experiment device with circular orbit according to any one of claim 1 to 4, it is characterized in that, cyclic track is arranged in the horizontal direction, and cyclic track comprises the supine test section track (2) of track, be located at test section track (2) two ends and for the horizontal annular boot segment track (11), the transition section track that auto model (3) are led back in an annular manner test section track (2) and be laid in the guide rail (9) of cyclic track surface for preventing vehicle from deviating from; Transition section track (37) is for being communicated with the horizontal annular boot segment track (11) at two ends and middle test section track (2); Guide rail (9) is laid along the orbit centre axle (10) of cyclic track.
7. according to the vehicle-track with the circular orbit-bridge vibration bench teat experiment device described in claim 5 to 6, it is characterized in that, between test section track (2) and boot segment track (1)/horizontal annular boot segment track (11), be also provided with the transition section track (37) test section track vibration impacted for reducing boot segment track (1)/horizontal annular boot segment track (11); The first end of transition section track (37) is connected with test section track (2) with rubber guide rail (38) by universal hinge (33); Second end of transition section (37) is connected with boot segment track (1)/horizontal annular boot segment track (11) with rubber guide rail (38) by universal hinge (33).
8. vehicle-track-bridge vibration bench teat the experiment device with circular orbit according to any one of claim 1 to 7, it is characterized in that, bridge model (4) comprises girder, be supported on bridge pier (5) bottom girder, and bridge pier (5) is fixed on shaking table (36); Bridge model (4) girder both sides are provided with the sensor (7) for induction vibration information.
9. vehicle-track-bridge vibration bench teat the experiment device with circular orbit according to any one of claim 1 to 7, it is characterized in that, auto model (3) comprises vehicle body platform (23), and vehicle body platform (23) both sides are equipped with two groups of wheels (8) respectively; Vehicle body platform (23) is provided with vibrator (13), accumulator (14), the control box (15) being with touch-screen (16) and weight mass block (20); Electric machine speed regulation controller (21), orientation triggering switch (30), emergency stop switch (31), PLC control (32) and power switch (35) is provided with in control box (15).
10. vehicle-track-bridge vibration bench teat the experiment device with circular orbit according to claim 9, it is characterized in that, vehicle body platform (23) bottom is provided with wheel hub (34), for the bearing (19) of support wheel wheel shaft (34) and the driving shaft (26) for connecting front wheel wheel shaft (34) and rear wheel wheel shaft (34); Steering gear (25) wheel hub (34) is equipped with; Wheel hub (34) is connected with driving shaft (26) by shaft coupling (18), and the position that wheel hub (34) connects with driving shaft (26) is provided with scrambler (24); The output terminal of brshless DC motor (22) is connected on driving shaft (26) by speed reduction unit (27); Axle brake apparatus (17) driving shaft (26) is equipped with; Vehicle body platform (23) is provided with the sensor (7) of exercising information for sense vehicle model (3).
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