CN207717313U - Vehicle bridge coupling vibration testing experiment model equipment - Google Patents
Vehicle bridge coupling vibration testing experiment model equipment Download PDFInfo
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- CN207717313U CN207717313U CN201820106901.2U CN201820106901U CN207717313U CN 207717313 U CN207717313 U CN 207717313U CN 201820106901 U CN201820106901 U CN 201820106901U CN 207717313 U CN207717313 U CN 207717313U
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- car body
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- vibration testing
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Abstract
The utility model discloses a kind of vehicle bridge coupling vibration testing experiment model equipments, including：Bridge simulator, the bridge simulator include simulation bridge floor；It is erected at the support plate on the simulation bridge floor by flexible connector；The dragging track slot being arranged in the support plate；Simulating vehicle on the dragging track slot is set.The structure design of the utility model is reasonable, support plate is connect by flexible connector with the bridge floor of bridge structural model to be measured, simulating vehicle moves on the supporting plate, cause the vibrational feedback of bridge floor, make vibration that there is good amplification effect and duration by the connector of elasticity, pass through the cooperation of support platform and trolley simultaneously, simulating vehicle difference wheelbase can be achieved, the many kinds of parameters of different travel directions, different weight and track obstacle traveling, to obtain the supplemental characteristic for influencing bridge vehicle coupled problem by comparison.
Description
Technical field
The utility model is related to test model fields, and in particular to a kind of vehicle bridge coupling vibration testing experiment model equipment.
Background technology
In recent years, with the development of highway communication and bridge cause, bridge structure is increasingly greatly across, light-duty and flexibility, greatly
Across dynamic response problem of the highway bridge under heavy duty, hot-short load action, also increasingly closed by bridge researcher
Note.
When vehicle passes through bridge, cause bridge vibration of beam.At this moment, bridge structure is subjected to the effect of static(al), also to hold
It is acted on by the vibrating inertia force of traveling load and bridge and vehicle.Vehicle power acts on the vibration for causing bridge superstructure
Structural elements may be made to generate fatigue, reduce its strength and stability：Bridge vibration is excessive may be to the operation of vehicle on bridge
Safety and stability have an impact；When the power change frequency of vehicle is equal or close with the bridge span structure natural frequency of vibration, cause
Resonance Bridge vehicle dynamic response may be made to aggravate, these are all vehicle bridge coupling vibration problems, and vehicle-bridge coupling performance is to bridge
Stability and vehicle are played a crucial role by comfort, design a kind of test model of test vehicle bridge coupling vibration
Stablize data as providing bridge early period and have great importance, needed in the experimental test of vehicle-bridge coupling by different weight,
The vehicle of wheelbase and acceleration carries out contrast test in bridge model, by data comparison test to obtain corresponding data into
The research of row correlated performance, traditional vehicle using multigroup multi-parameter are operated, and such model erection is complex, time-consuming
Arduously, while cost is higher.
Utility model content
The purpose of the utility model is to overcome above-mentioned deficiencies existing in the prior art, and provide a kind of vehicle-bridge coupling and shake
Dynamic testing experiment model equipment can carry out the vehicle bridge coupling vibration test of multiple test parameters adjustment.
The technical scheme in the invention for solving the above technical problem is：
A kind of vehicle bridge coupling vibration testing experiment model equipment, including：
Bridge simulator, the bridge simulator include simulation bridge floor；
It is erected at the support plate on the simulation bridge floor by flexible connector；
The dragging track slot being arranged in the support plate；
Simulating vehicle on the dragging track slot is set.
In the utility model, bridge simulator simulate bridge structure, support plate by flexible connector with wait for
The bridge floor connection of bridge structural model is surveyed, simulating vehicle moves on the supporting plate, causes the vibrational feedback of bridge floor, even by elasticity
Fitting makes vibration have good amplification effect and duration, and the ginseng for influencing bridge vehicle coupled problem is obtained by comparison
Number data.
It is respectively provided with multigroup vibrating sensor on the simulating vehicle and simulation bridge floor, these vibrating sensors are and data
Processing equipment connects.
The flexible connector includes the first sucker and the second sucker connected by spring, and first sucker is inhaled
It is attached in the support plate, second sucker suction is on the simulation bridge floor.
The simulating vehicle includes：
The first car body with wheel；
The second car body with wheel；
The link block of first car body and the second car body is connected, one end of the link block is connect with second car body,
The other end of the link block is fixed through first car body and by the way that jack and bolt is arranged.
The jack is arranged on the link block, and the jack is multiple and is intervally arranged, and passes through the bolt
The different jacks being inserted on the link block realize the adjustment of simulating vehicle difference wheelbase.
Second car body is equipped with groove, and clump weight is provided with, it can be achieved that simulating vehicle different weight in the groove.
It is equipped with driving machine in second car body, drives vehicle wheel rotation.
The width of the dragging track slot is matched with the wheel of first car body and the second car body, and described slides
The bottom of track groove is equipped with the bar-shaped trough through bottom surface, and arc bump is equipped in the bar-shaped trough, and arc bump setting exists
Rise on laid shoot, be provided with the first mounting hole and the second mounting hole in the support plate, it is described rise laid shoot by fixed link with
First mounting hole and the connection of the second mounting hole, when the fixed link is fixed on first mounting hole, described plays laid shoot
On arc bump contacted with the wheel, when the fixed link is fixed on second mounting hole, described rises on laid shoot
Arc bump is separated with the wheel, so as to simulate level road and obstacle road surface.
The utility model compared with prior art, has the following advantages and effect：
The structure design of the utility model is reasonable, and support plate passes through flexible connector and bridge structural model to be measured
Bridge floor connects, and simulating vehicle moves on the supporting plate, causes the vibrational feedback of bridge floor, by the connector of elasticity vibration is had
There are good amplification effect and duration, while by the cooperation of support platform and trolley, it can be achieved that simulating vehicle is different
Wheelbase, many kinds of parameters that different travel directions, different weight and track obstacle travel, to obtain influence by comparison
The supplemental characteristic of bridge vehicle coupled problem.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model vehicle bridge coupling vibration testing experiment model equipment；
Fig. 2 is the structural schematic diagram of simulating vehicle in the utility model；
Fig. 3 is the structural schematic diagram of support plate and dragging track slot in the utility model；
Fig. 4 is the structural schematic diagram of the utility model mesorelief item setting；
Fig. 5 is the structural schematic diagram that laid shoot setting is played at another visual angle in the utility model.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following embodiment is pair
The explanation of the utility model and the utility model is not limited to following embodiment.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, a kind of vehicle bridge coupling vibration testing experiment model of the present embodiment, including
Support plate 1, several connectors 2 (flexible connector), simulating vehicle 3, connector 2 include the first sucker, the second sucker and bullet
The both ends of spring, spring are connect with the first sucker and the second sucker respectively, and the first sucker suction is in the lower face of support plate 1, and
Two sucker suctions are provided in 4 upper surface of bridge floor of bridge structural model to be measured, the upper surface of support plate 1 for simulation vehicle to be arranged
3 dragging track slot 11, the wheel 38 of simulating vehicle 3 are slidably arranged on dragging track slot 11, and simulating vehicle 3 includes front truck
Body 31 (i.e. the first car body), aftercarriage 32 (i.e. the second car body) and link block 33, one end and the aftercarriage 32 of link block 33
Front end face is fixed, and front vehicle body 31 is provided with sliding and plugs the through-hole of link block 33, before the other end sliding of link block 33 is plugged in
On the through-hole of car body 31,31 upper surface of front vehicle body is provided with bolt 34, and the upper surface of link block 33 is provided with several and bolt 34
The jack 35 of cooperation, bolt 34 is plugged in jack 35 so that front vehicle body 31 and the fixation of link block 33, the wheel 38 of aftercarriage 32
Wheel 38 for driving wheel, front vehicle body 31 is driven wheel, and aftercarriage 32 is arranged fluted 36, clump weight 37 is arranged in groove 36,
The lower end of two groups of dragging track slots 11 has been provided with laid shoot 12, and the upper surface for playing laid shoot 12 is disposed with several arc bumps
13, the lower face on dragging track slot 11 is provided with the bar-shaped trough 14 for sliding up and down setting arc bump 13, plays laid shoot 12
Both ends be respectively arranged with fixed link 15, support plate 1 is close to the setting of the both ends of dragging track slot 11 in setting up and down solid first
Determine hole 16 and the second mounting hole 17, one end of fixed link 15 is fixed with laid shoot 12 is played, and the other end of fixed link 15 is provided in the
One mounting hole 16 and the cooperation of the second mounting hole 17 plug the fixed block of connection, and the upper surface of support plate 1 is provided with two groups and slides rail
Road slot 11.When fixed link 15 is fixed on the first mounting hole 16, the arc bump 13 risen on laid shoot 12 is contacted with wheel 38, works as fixation
Bar 15 is fixed on the second mounting hole 17, and arc bump 13 and the wheel 38 risen on laid shoot 12 separates, so as to simulate level road and barrier
Hinder road surface.
The application method of the utility model is：It is both provided in the bridge floor 4 of simulating vehicle 3 and bridge structural model to be measured
Several groups vibrating sensor, vibrating sensor are connect with data processing equipment, adjust link block 33 at this time so that constituting simulation vehicle
3 different wheelbases, the different acceleration of driving motor is controlled by control single chip computer, simulating vehicle 3 configures different configurations
Block obtains different car weights, being nodded by the obstacle of 13 simulating vehicle 3 of arc bump on laid shoot 12 travels and by two
The comparing that multigroup parameter that group rail plate slot 11 simulates different travel directions is detected, and then obtain influencing to be measured
The parameter of bridge structure, the structure design of the utility model is reasonable, and support plate 1 passes through flexible connector 2 and bridge to be measured
The bridge floor 4 of structural model connects, and simulating vehicle 3 moves on the supporting plate, causes the vibrational feedback of bridge floor 4, passes through the company of elasticity
Fitting 2 makes vibration have good amplification effect and duration, while by the cooperation of support platform and trolley, can be real
3 different wheelbases of existing simulating vehicle, many kinds of parameters that different travel directions, different weight and track obstacle travel, to
Being obtained by comparison influences the supplemental characteristic of bridge vehicle coupled problem.
Described in this specification above content is only to the utility model example explanation.The utility model
Person of ordinary skill in the field can make various modifications or additions to the described embodiments or use class
As mode substitute, content without departing from the utility model specification or surmount model defined in the claims
It encloses, all should belong to the protection range of the utility model.
Claims (8)
1. a kind of vehicle bridge coupling vibration testing experiment model equipment, which is characterized in that including：
Bridge simulator, the bridge simulator include simulation bridge floor；
It is erected at the support plate on the simulation bridge floor by flexible connector；
The dragging track slot being arranged in the support plate；
Simulating vehicle on the dragging track slot is set.
2. vehicle bridge coupling vibration testing experiment model equipment according to claim 1, which is characterized in that the simulation vehicle
And simulation bridge floor on be respectively provided with vibrating sensor, these vibrating sensors are connect with data processing equipment.
3. vehicle bridge coupling vibration testing experiment model equipment according to claim 1, which is characterized in that the elasticity is even
Fitting includes the first sucker and the second sucker connected by spring, and first sucker suction is in the support plate, institute
The second sucker suction stated is on the simulation bridge floor.
4. vehicle bridge coupling vibration testing experiment model equipment according to claim 1, which is characterized in that the simulation vehicle
Include：
The first car body with wheel；
The second car body with wheel；
The link block of first car body and the second car body is connected, one end of the link block is connect with second car body, the company
The other end of block is connect through first car body and is fixed by the way that jack and bolt is arranged.
5. vehicle bridge coupling vibration testing experiment model equipment according to claim 4, which is characterized in that the jack is set
It sets on the link block, the jack is multiple and is intervally arranged.
6. vehicle bridge coupling vibration testing experiment model equipment according to claim 4, which is characterized in that second car body
It is equipped with groove, clump weight is provided in the groove.
7. vehicle bridge coupling vibration testing experiment model equipment according to claim 4, which is characterized in that second vehicle
It is equipped with driving machine in vivo.
8. vehicle bridge coupling vibration testing experiment model equipment according to claim 4, which is characterized in that described slides rail
The width of road slot is matched with the wheel of first car body and the second car body, and the bottom of the dragging track slot, which is equipped with, to be run through
The bar-shaped trough of bottom surface, the bar-shaped trough is interior to be equipped with arc bump, and arc bump setting is on playing laid shoot, the support plate
On be provided with the first mounting hole and the second mounting hole, it is described that play laid shoot solid by fixed link and first mounting hole and second
Determine hole connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820106901.2U CN207717313U (en) | 2018-01-23 | 2018-01-23 | Vehicle bridge coupling vibration testing experiment model equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820106901.2U CN207717313U (en) | 2018-01-23 | 2018-01-23 | Vehicle bridge coupling vibration testing experiment model equipment |
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| CN207717313U true CN207717313U (en) | 2018-08-10 |
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| CN201820106901.2U Active CN207717313U (en) | 2018-01-23 | 2018-01-23 | Vehicle bridge coupling vibration testing experiment model equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556812A (en) * | 2018-12-13 | 2019-04-02 | 佛山科学技术学院 | The lateral interaction power simulator of a kind of pedestrian and foot bridge |
| CN109696285A (en) * | 2018-12-03 | 2019-04-30 | 湖南大学 | A kind of acceleration, deceleration method and device of vehicle bridge coupling vibration model experiment |
| CN109990755A (en) * | 2019-04-02 | 2019-07-09 | 石家庄铁道大学 | Vehicle-curved bridge coupled system dynamic experiment device and method |
| CN110057514A (en) * | 2019-03-22 | 2019-07-26 | 天津大学 | A kind of Vehicle-Bridge Coupling System model and method for bridge structural damage identification test |
| CN112304542A (en) * | 2020-11-05 | 2021-02-02 | 长安大学 | Bridge health monitoring test platform easy to adjust and expand |
-
2018
- 2018-01-23 CN CN201820106901.2U patent/CN207717313U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696285A (en) * | 2018-12-03 | 2019-04-30 | 湖南大学 | A kind of acceleration, deceleration method and device of vehicle bridge coupling vibration model experiment |
| CN109556812A (en) * | 2018-12-13 | 2019-04-02 | 佛山科学技术学院 | The lateral interaction power simulator of a kind of pedestrian and foot bridge |
| CN109556812B (en) * | 2018-12-13 | 2020-10-09 | 佛山科学技术学院 | Pedestrian and pedestrian bridge transverse interaction power simulation device |
| CN110057514A (en) * | 2019-03-22 | 2019-07-26 | 天津大学 | A kind of Vehicle-Bridge Coupling System model and method for bridge structural damage identification test |
| CN109990755A (en) * | 2019-04-02 | 2019-07-09 | 石家庄铁道大学 | Vehicle-curved bridge coupled system dynamic experiment device and method |
| CN112304542A (en) * | 2020-11-05 | 2021-02-02 | 长安大学 | Bridge health monitoring test platform easy to adjust and expand |
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