CN208350393U - A kind of half vehicle device of experiment - Google Patents
A kind of half vehicle device of experiment Download PDFInfo
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- CN208350393U CN208350393U CN201820955382.7U CN201820955382U CN208350393U CN 208350393 U CN208350393 U CN 208350393U CN 201820955382 U CN201820955382 U CN 201820955382U CN 208350393 U CN208350393 U CN 208350393U
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- car body
- half vehicle
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- balance arm
- vehicle device
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Abstract
The utility model discloses a kind of half vehicle device of experiment, including elastic element, damping element, balance arm, additional elbow, car body and two guiding walls；Two guiding walls are arranged in parallel in car body two sides, and car body two sides are respectively equipped with multiple balance arms, and elastic element and damping element are equipped between car body and balance arm, and each balance arm connects a wheel body, and wheel body connects additional elbow, and additional elbow is connect with the guiding wall of car body two sides.The utility model utilizes the Principle Method of vibration equivalence, the attributes such as quality, the rotary inertia of half vehicle model of actual measurement can be simulated by installation clump weight, the experimental verification of half vehicle model of vibration of realization theory is tested, it is simple with structure, it is easy to operate, versatility is good, and half vehicle model of vibration of a variety of different vehicles can be simulated by adjusting parameter, effectively increases the efficiency of entire experimental provision.
Description
Technical field
The utility model relates to a kind of Vehicular vibration experimental apparatus for testing, and in particular to a kind of half vehicle device of experiment.
Background technique
Vehicle suspension system is the critical component for determining road holding and damping property, in order to effectively improve vehicle
The service life etc. of the riding comfort and raising vehicle of driving performance and occupant, needs to carry out the suspension of vehicle
Particular study.
In the research of whole vehicle damping property, directly actual vehicle is carried out in damping property experimental study mostly
Testing research needs to spend very high expense and time that could complete relevant experimental study in this way, also limits Vehicle damper
The development of performance test and optimization design research to suspension parameter.Therefore, it is necessary to design and using it is some can simulate it is more
The experimental provision of kind vehicle, preferably to carry out experimental study.
It is typically all to directly adopt test run test in existing experimental study, in this way, in some large sizes, especially heavy goods vehicles
Damping property experimental study in, need very big exciting force and power, therefore, constrain the vibration performance of heavy vehicle
The development of experimental study, the also promotion of the driving performance of influence power heavy vehicle and comfort.
And studied in the theoretical calculation and numerical simulation of vehicle system dynamics frequently with half vehicle model, in order to
Preferably theoretical model is verified and tested, it is necessary to be designed and half vehicle device of theoretical corresponding experiment.
Utility model content
In order to solve the above-mentioned technical problem, it is simple to provide a kind of structure for the utility model, easy to operate and can be effective
Carry out the half vehicle device of experiment of heavy vehicle vehicle vibration experiment research.
The technical solution adopted in the utility model is:
A kind of half vehicle device of experiment, including elastic element, damping element, balance arm, additional elbow, car body and two guiding walls；
Two guiding walls are arranged in parallel in car body two sides, and car body two sides are respectively equipped with multiple balance arms, and bullet is equipped between car body and balance arm
Property element and damping element, each balance arm connects a wheel body, and wheel body connects additional elbow, adds the guiding of elbow and car body two sides
Wall connection.
In above-mentioned half vehicle device of experiment, one end of the elastic element and car body are hinged, the other end and damping element
One end it is hinged；The other end of damping element is mounted in shaft, and shaft installation can rotate on the car body, the fixed peace of balance arm
Mounted in the other end of shaft.
In above-mentioned half vehicle device of experiment, the wheel body using endless track installation bogie wheel or inflated wheel
Tire.
In above-mentioned half vehicle device of experiment, the balance arm is hollow tubular structure.
In above-mentioned half vehicle device of experiment, the car body is using hollow shell structure.
Compared with prior art, the utility model has the following beneficial effects:
1. the utility model structure is simple, easy to operate, using half vehicle experimental model, experimental expenses is reduced；
2. when the utility model is used, can be by adjusting the parameter of elastic element and damping element, or directly replace whole bullet
Property element and damping element, realize the optimization design research of suspension；
3. the body construction part of the utility model uses hollow housing structure, various different vehicles can be presented by counterweight
The kinetic effect of half vehicle model realizes the experiment of Multiple Type wheel using a kind of equipment, does not need for Multiple Type
Wheel design kinds of experiments equipment, saved cost.
Detailed description of the invention
Fig. 1 is the main view of the utility model.
Fig. 2 is the side view of the utility model.
Fig. 3 is the perspective view of the utility model.
Fig. 4 is that the utility model removes the perspective view after crawler belt.
Fig. 5 is the half vehicle model of vibration of the utility model.
In figure: 1- wheel body, 2- elastic element, 3- damping element, 4- balance arm, 5- add elbow, 6- car body, 7- and are oriented to wall.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
As Figure 1-Figure 4, the utility model includes wheel body 1, elastic element 2, damping element 3, balance arm 4, additional elbow
5, car body 6 and two is oriented to walls 7.Two guiding walls 7 are arranged in parallel in the two sides of car body 6, can limit car body 6, produce car body 6 can only
Raw upper and lower movement and pitching movement.6 two sides of car body are respectively equipped with multiple balance arms 4, set between car body 6 and balance arm 4
Have elastic component 2 and damping element 3.Balance shaft is mounted on one end of shaft 41, and shaft 41 is mounted on car body 6, can rotate；
The other end of shaft 41 is connect with one end of elastic element 2, and the other end of elastic element 2 is connect with one end of damping element 3, resistance
The other end and car body 6 of Buddhist nun's element 3 are hinged.Each balance arm 4 connects a wheel body 1, and wheel body 1 connects additional elbow 5, adds elbow 5
It is connect with the guiding wall 7 of 6 two sides of car body.
The parameter of the elastic element 2 and damping element 3 is adjustable, and the structure of car body 6 is hollow shell structure.
The utility model can simulate a variety of different models by adjusting elastic element 2, the counterweight of the parameter of damping element 3 and car body 6
The elasticity of vehicle, the quality of damping and car body, rotary inertia of half vehicle model of vibration of vehicle, thus to different model vehicle
Half vehicle vibration performance carries out experimental study, effectively improves the damping property of suspension.
The wheel body 1 can also be used pneumatic tire, can be replaced at any time using the bogie wheel of endless track installation, from
It and study the vehicle of endless track installation and running gear system can with the utility model.The elastic element
2 and damping element 3 can be convenient replacement, the suspension system of a variety of different vehicles can be simulated by changing its rigidity, amortization data
System.The balance arm 4 uses hollow tubular structure, and the vehicle of the different model of different suspensions can be simulated by counterweight
The quality and rotary inertia of true equilibrium elbow.
It is half vehicle model of vibration corresponding to the utility model as shown in figure 5, setting α is vehicle body in the horizontal direction along counterclockwise
The angle in direction, msFor car body mass, IsThe moment of inertia for car body around mass center in vertical plane, v are travel speed, car body
Oscillatory differential equation are as follows:
In formula: A=[1,1,1,1,1,1] is transposed matrix；Ks=[ks1, ks2, ks3, ks4, ks5, ks6] it is suspension elasticity member
The stiffness matrix of part, ks1~ks6For the stiffness coefficient of each suspension elastic element；Kt=[kt1, kt2, kt3, kt4, kt5, kt6] be
The non-suspension stiffness matrix of system, kt1~kt6For the non-suspension stiffness coefficient of each suspension；Cs=[cs1, cs2, cs3, cs4, cs5, cs6]
For the damping matrix for hanging damping element, cs1~cs6For the damped coefficient of each suspension damping element；F=[f1, f2, f3, f4,
f5, f6] be Active Suspensions control force matrix, f1~f6For the control force of each suspension Active Suspensions；L=[l1, l2, l3, l4,
l5, l6] it is distance matrix of each suspension to mass center, l1~l6For the distance of each suspension to mass center；Mt=[mt1, mt2,
mt3, mt4, mt5, mt6] it is suspension unsprung mass matrix, mt1~mt6For the unsprung mass of each suspension；Xr=diag
(xr1, xr2, xr3, xr4, xr5, xr6) it is wheel displacements diagonal matrix, xr1~xr6For the displacement of each wheel；Xt=diag (xt1,
xt2, xt3, xt4, xt5, xt6) it is uneven road surface vertical displacement diagonal matrix, xt1~xt6It is vertical for the corresponding uneven road surface of each wheel
Displacement；Xs=diag (xs-l1α, xs-l2α, xs-l3α, xs-l4α, xs-l5α, xs-l6It α) is displaced diagonal matrix for suspension junction,
xsFor car body displacement, α is car body pitch angle.
In the above-mentioned body oscillating differential equation, car body only has vertical and pitching both direction freedom degree, therefore at this
Setting guiding wall in experimental provision, and mounting plane limit element, enable half vehicle model and can only generate to move and bow above and below
Movement is faced upward, to realize the vertical and pitch freedom movement of car body in half vehicle model of vibration.
Claims (5)
1. half vehicle device of a kind of experiment, it is characterized in that: including elastic element, damping element, balance arm, additional elbow, car body and two
It is oriented to wall；Two guiding walls are arranged in parallel in car body two sides, and car body two sides are respectively equipped with multiple balance arms, between car body and balance arm
Equipped with elastic element and damping element, each balance arm connects a wheel body, and wheel body connects additional elbow, adds elbow and car body two sides
Guiding wall connection.
2. half vehicle device of experiment according to claim 1, it is characterized in that: one end of the elastic element and car body are cut with scissors
It connects, one end of the other end and damping element is hinged；The other end of damping element is mounted in shaft, and shaft installation on the car body can
Enough rotations, balance arm are fixedly mounted on the other end of shaft.
3. half vehicle device of experiment according to claim 1, it is characterized in that: the wheel body is using endless track installation
Bogie wheel or pneumatic tire.
4. half vehicle device of experiment according to claim 1 or 2, it is characterized in that: the balance arm is hollow tubular structure.
5. half vehicle device of experiment according to claim 1 or 2, it is characterized in that: the car body is using hollow shell
Body structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820955382.7U CN208350393U (en) | 2018-06-21 | 2018-06-21 | A kind of half vehicle device of experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820955382.7U CN208350393U (en) | 2018-06-21 | 2018-06-21 | A kind of half vehicle device of experiment |
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| Publication Number | Publication Date |
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| CN208350393U true CN208350393U (en) | 2019-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820955382.7U Expired - Fee Related CN208350393U (en) | 2018-06-21 | 2018-06-21 | A kind of half vehicle device of experiment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489742A (en) * | 2018-06-21 | 2018-09-04 | 湖南科技大学 | A kind of half vehicle device of experiment based on vibration equivalence |
-
2018
- 2018-06-21 CN CN201820955382.7U patent/CN208350393U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489742A (en) * | 2018-06-21 | 2018-09-04 | 湖南科技大学 | A kind of half vehicle device of experiment based on vibration equivalence |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 Termination date: 20210621 |