CN209589413U - The running gear of hot-short wind tunnel model based on principle of inertia driving - Google Patents
The running gear of hot-short wind tunnel model based on principle of inertia driving Download PDFInfo
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- CN209589413U CN209589413U CN201920493502.0U CN201920493502U CN209589413U CN 209589413 U CN209589413 U CN 209589413U CN 201920493502 U CN201920493502 U CN 201920493502U CN 209589413 U CN209589413 U CN 209589413U
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Abstract
The utility model belongs to wind-tunnel technique field, is related to a kind of running gear of hot-short wind tunnel model based on principle of inertia driving, including wind tunnel laboratory, test guide rail, vehicle test model, accelerating sections, braking section；Accelerator is provided on accelerating sections；Deceleration device is provided on braking section；Accelerator only leans against on vehicle test model and provides initial motion power to vehicle test model；The end of accelerator connects with the end of the test guide rail of accelerating sections upper surface；After vehicle test model obtains the initial motion power provided by accelerator, successively enter wind tunnel laboratory from accelerating sections by inertia, finally the stop motion under the action of deceleration device on braking section.The utility model be suited to speed up apart from short, instantaneous acceleration reach kilometers up to a hundred speed hourly, the safety for not limited by contour of the vehicle, design cost being reduced and can be improved test the hot-short wind tunnel model based on principle of inertia driving running gear.
Description
Technical field
The utility model belongs to wind-tunnel technique field, is related to a kind of accelerator, more particularly to a kind of based on inertia
The running gear of the hot-short wind tunnel model of principle driving.
Background technique
Ended for the end of the year 2018, Chinese high-speed rail revenue kilometres reach 2.9 ten thousand kilometers or more, and highway mileage number is public up to 130,000
In, 50% or more Bridge accounting, just in the road network of planning construction and with the strategic plan of China's the Belt and Road, with
The birth of the Super Engineerings such as " port Zhuhai and Macao bridge ", bridge span is increasing, the operation of traffic be faced with " over strait to wear mountain " with
And the challenge that wind environment is more severe.
Due to both at home and abroad because the safety accident of hot-short in motion caused by high wind takes place frequently, light then road network terminal, weight
Then car crash guarantees that the vehicle safety run at high speed operation becomes present scientific research personnel and one urgent need to resolve of engineering staff
The problem of.At present in terms of emphasis Pneumatic safety research, primary study be vehicle aerodynamic configuration, vehicle and affiliated facility
The influence to the dynamic characteristics of structure of aerodynamic interference and wind, and in these research methods, wind tunnel test is one and its again
The method and means wanted.And working important that conventional wind tunnel test at present is carried out is static structural test, and it is often this
Mode is difficult to explain interstructural aerodynamics problem completely, carries out one kind energy-efficient test device systematic and method for section
Learning research has extremely important and real meaning.
Utility model content
In order to solve the above technical problems in background technology, the utility model provide one kind be suited to speed up away from
Reach kilometers up to a hundred speed hourly from short, instantaneous acceleration, limited by contour of the vehicle, design cost can be reduced and can
Improve the running gear of the hot-short wind tunnel model based on principle of inertia driving of the safety of test.
To achieve the goals above, the utility model adopts the following technical solution:
A kind of running gear of the hot-short wind tunnel model based on principle of inertia driving, it is characterised in that: described to be based on
The running gear of the hot-short wind tunnel model of principle of inertia driving includes wind tunnel laboratory, test guide rail, vehicle test model
Accelerating sections；The upper surface of the accelerating sections and wind tunnel laboratory is equipped with test guide rail；Acceleration is provided on the accelerating sections
Device；The accelerator only leans against on vehicle test model and provides initial motion power to vehicle test model；It is described to add
The end of speed variator connects with the end of the test guide rail of accelerating sections upper surface；The vehicle test model is obtained by accelerator
After the initial motion power of offer, successively enter wind tunnel laboratory from accelerating sections by inertia.
Preferably, accelerator used by the utility model includes high-speed servo motor, rotation belt wheel, external tooth thrust
Plate, high-intensitive carousel；The high intensity carousel is wrapped on rotation belt wheel；The high-speed servo motor and rotation
Turn belt wheel to be connected and pass through the high-intensitive carousel rotation of rotation belt wheel drive；One end of the external tooth thrust plate is arranged in height
It is rotated synchronously on intensity carousel and with high-intensitive carousel, the other end is inserted into vehicle test model.
Preferably, rotation belt wheel used by the utility model is at least two；It is described high intensity carousel be in
Ring-type simultaneously struts tension by rotation belt wheel；The high-speed servo motor is connected with any one rotation belt wheel and passes through rotation band wheel belt
Dynamic high intensity carousel rotation.
Preferably, high-speed servo motor used by the utility model passes through rotation belt wheel and high-intensitive rotation transmission
Band to after driving vehicle test model to provide initial motion power, lead by test of the vehicle test model in accelerating sections upper surface
Instantaneous velocity on rail is not less than 100km/h.
Preferably, the operation dress of the hot-short wind tunnel model based on principle of inertia driving used by the utility model
Setting further includes braking section；The accelerating sections, wind tunnel laboratory and braking section are then set gradually before and total length is L；Institute
The upper surface for stating accelerating sections and wind tunnel laboratory is equipped with test guide rail；Deceleration device is provided on the braking section；It is described
After vehicle test model obtains the initial motion power provided by accelerator, successively enter wind-tunnel reality from accelerating sections by inertia
Room is tested, finally the stop motion under the action of deceleration device on braking section；The length of the accelerating sections is LAdd；The braking section
Length be LSubtract；The LAdd=LSubtract≤L。
Preferably, deceleration device used by the utility model includes the braking for being placed in braking section upper surface test guide rail
Friction device；It rubs by the vehicle test model and the braking friction device on braking section upper surface test guide rail of wind tunnel laboratory
Wiping is braked；
The braking friction device is that deceleration friction plate is formed by by polyurethane；The deceleration friction plate is arranged in pairs in
It tests on guide rail braking section upper surface；By on the vehicle test model of wind tunnel laboratory and braking section upper surface test guide rail
Deceleration friction plate friction is braked；The surface that the braking friction device is in contact with vehicle test model is wave-shaped.
Preferably, deceleration device used by the utility model further includes being placed in braking section upper surface test guide rail end
Buffer stopper.
Preferably, vehicle test model used by the utility model includes vehicle wind tunnel model coat, model structure
Support stringer, model structure support beam, model dynamic pulley, dynamic pulley connecting rod and derailing embrace rail device；The mould
Type structural support stringer and model structure support beam transverse and longitudinal are staggered to form the frame structure of vehicle test model；It is described
Vehicle wind tunnel model coat is placed in outside frame structure；The frame structure bottom is provided with pairs of model dynamic pulley；At
Pair model dynamic pulley by dynamic pulley connecting rod be connected；It is provided with derailing in the frame structure and embraces rail device；It is described
Derailing embraces rail device and is arranged on the outer profile of test guide rail and has spacing between test guide rail；The model dynamic pulley
Be stuck in test guide rail on and can test guide rail on along test guide rail axial movement；The accelerator only leans against model knot
Initial motion power is provided on structure support stringer and to model structure support stringer.
Preferably, the operation dress of the hot-short wind tunnel model based on principle of inertia driving used by the utility model
Set further includes changeover portion and aperture section；The changeover portion and aperture Duan Jun are that it is symmetricly set on wind tunnel laboratory two in pairs
Side；The accelerating sections, changeover portion, aperture section, wind tunnel laboratory, aperture section, changeover portion and braking section are then successively set from preceding
It sets and total length is L；The accelerating sections, changeover portion, aperture section, wind tunnel laboratory, aperture section, changeover portion and braking section it is upper
Surface is equipped with test guide rail.
Preferably, the operation dress of the hot-short wind tunnel model based on principle of inertia driving used by the utility model
Setting further includes the braced frame that test guide rail bottom is arranged in.
The utility model has the advantages that:
The utility model provides a kind of running gear of hot-short wind tunnel model based on principle of inertia driving, including
Wind tunnel laboratory, test guide rail, vehicle test model, accelerating sections, braking section；Accelerating sections, wind tunnel laboratory and braking section are certainly
It is preceding then to set gradually and total length is L；The upper surface of accelerating sections, wind tunnel laboratory and braking section is equipped with test and leads
Rail；Accelerator is provided on accelerating sections；Deceleration device is provided on braking section；Accelerator only leans against on vehicle test model
And initial motion power is provided to vehicle test model；The end of the test guide rail of the end and accelerating sections upper surface of accelerator
Connect；After vehicle test model obtains the initial motion power provided by accelerator, successively enter from accelerating sections by inertia
Wind tunnel laboratory, the finally stop motion under the action of deceleration device on braking section；The length of accelerating sections is LAdd；Braking section
Length is LSubtract；LAdd=LSubtract≤L.Vehicle test model is experimental study object, tries vehicle under the co-ordination of accelerator
It tests model to accelerate to setting speed, reaches accelerating sections tail end, vehicle test model is with high speed via accelerated test
Section track pop-up, leaves accelerating sections, enters wind tunnel laboratory along test guide rail.The utility model successively includes accelerating from back to front
Section, linkage section, aperture section, wind tunnel laboratory, linkage section and aperture section close proximity, wherein aperture section is provided in wind tunnel side wall
One square hole for enabling vehicle wind tunnel model be freely accessible to, it is vertical with track.The utility model is based on utilization principle of inertia driving
Vehicle wind tunnel model acceleration system proposes a kind of using inertia as model high-speed driving power in wind-tunnel, and model scale ratio can
In 1:8~1:30, model weight is 10~30kg, and the maximum instantaneous velocity that orbits is up to 200km/h.Extremely short
It is driven from accelerated slip to being tested to the method for being decelerated to stopping on 30 meters of long tracks.The core concept of the utility model is
It is using synchrome conveying belt, vehicle is fixed on a moving belt using the working principle of motional inertia, pass through baffle and vehicle phase
Button, accelerates delivery section in a very short period of time；And baffle is with the mutual snapping of model and with same direction high-speed motion；When
Conveyer belt runs to accelerating sections end, and model vehicle and conveyer belt are detached from, and model is emitted forward with instantaneous maximum speed along track.
Since movement velocity is fast, vehicle wind tunnel model derails in order to prevent, has installed an armful rail system additional in vehicle chassis.It is practical new using this
Type pilot system can not only carry out whether there is or not the mono-/bis-under beam wind state to aerodynamics of vehicle study, vehicle-can also be carried out
The aerodynamic studies and wind-train-bridge system Coupling Research of the vehicles such as bridge system operation affiliated facility system.
With current existing acceleration device for vehicle compared with mode, the utility model is suited to speed up apart from short, and can will
Upper tens of kilograms of vehicle wind tunnel model reaches kilometers up to a hundred speed hourly in extremely short acceleration distance, instantaneous acceleration, and
It is not limited, can be somebody's turn to do suitable for the demand of different tests purpose according to any replacement mode shape of needs of test by contour of the vehicle
System is conducive to ultrashort experiment distance, reduces design cost, improve the safety of test while meeting speed.
Meanwhile using the principle of inertial drive test model, driving capability is strong, and the time is short, and speed is fast；Driving force does not act directly on vehicle
On wind tunnel model, can protect the integrality of test model coat during the test, guarantee data it is true rationally effectively；
Accelerated mode is easily achieved, and drive efficiency is good, being capable of short time short distance completion acceleration；Train can be simulated to transport in orbit
Row, meets true train operating condition；Such mode saves energy and do not generate very big noise improves test efficiency again.
Detailed description of the invention
Fig. 1 is the running gear of the hot-short wind tunnel model provided by the utility model based on principle of inertia driving
Structural schematic diagram；
Fig. 2 is the running gear of the hot-short wind tunnel model provided by the utility model based on principle of inertia driving
Overlooking structure diagram；
Fig. 3 is the running gear of the hot-short wind tunnel model provided by the utility model based on principle of inertia driving
Test sectional view；
1- wind tunnel laboratory；2- vehicle test model；3- high-speed servo motor；4- rotates belt wheel；5- external tooth thrust plate；6-
High-intensitive carousel；7- tests guide rail；8- buffer stopper；9- braced frame；10- brakes friction device；11- bridge etc. is attached
Facility；12- accelerating sections；13- braking section；14- vehicle wind tunnel model coat；15- model structure support stringer；16- model structure
Support beam；17- model dynamic pulley；18- dynamic pulley connecting rod；19- derailing embraces rail device；20- aperture section；21- transition
Section.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figures 1 to 3, the utility model provides a kind of hot-short wind tunnel model based on principle of inertia driving
Running gear, including wind tunnel laboratory 1, test guide rail 7, vehicle test model 2, accelerating sections 12；Accelerating sections 12 and wind tunnel experiment
Room 1 is then set gradually before and total length is L；The upper surface of accelerating sections 12 and wind tunnel laboratory 1 is equipped with test guide rail
7；Accelerator is provided on accelerating sections；Accelerator is only leaned against on vehicle test model 2 and is provided just to vehicle test model 2
Beginning motion-promotion force；The end of accelerator connects with the end of the test guide rail 7 of 12 upper surface of accelerating sections；Vehicle test model 2
After the initial motion power provided by accelerator is provided, successively enter wind tunnel laboratory 1 from accelerating sections 12 by inertia.
Accelerator includes high-speed servo motor 3, rotation belt wheel 4, external tooth thrust plate 5, high-intensitive carousel 6；It is high
Intensity carousel 6 is wrapped on rotation belt wheel 4；High-speed servo motor 3 is connected with rotation belt wheel 4 and by rotation belt wheel 4
High-intensitive carousel 6 is driven to rotate；One end of external tooth thrust plate 5 be arranged on high-intensitive carousel 6 and with it is high-strength
It spends carousel 6 to rotate synchronously, the other end is inserted into vehicle test model 2.It rotates belt wheel 4 and is at least two；High intensity rotation
Turn conveyer belt 6 annularly and struts tension by two rotation belt wheels 4；High-speed servo motor 3 is connected simultaneously with any one rotation belt wheel 4
High-intensitive carousel 6 is driven to rotate by rotating belt wheel 4.
As depicted in figs. 1 and 2, accelerating sections 12 includes high-speed servo motor 3, rotates belt wheel 4, and external tooth thrust plate 5 is high-intensitive
Carousel 6 and A partial experiment guide rail 7.Wherein external tooth thrust plate 5 is mounted on high-intensitive carousel 6, is followed
High-intensitive carousel 6 rotates together, and high-intensitive carousel 6 is among test guide rail 7.As shown in Figure 1, accelerating sections 12
Interior includes toothed belt transmission driving mechanism, high-speed servo motor 3 and supporting support 9.High-speed servo motor 3, which uses, to be exceeded moment
Several times of rated frequency of ultrahigh rotating speed motor, wherein toothed belt transmission driving mechanism includes rotation belt wheel 4, and external tooth thrust plate 5 is high
Intensity carousel 6 and the test guide rail 7 to connect with it, control section are real by the revolving speed of control high-speed servo motor 3
The velocity variations of existing vehicle test model 2 avoid to guarantee the rotational stability of high-intensitive carousel 6 because watching at a high speed
Take that 3 revolving speed of motor is too fast and unstability occurs in high-intensitive 6 length variation of carousel, successively multiple rotations are arranged in different spacing
Belt wheel 4, setting press strip is between rotation belt wheel 4 to guarantee that docking matches.As shown in Figure 1, accelerating sections 12 docks changeover portion 21
And aperture section 20, wherein aperture section 20 and changeover portion 21 are arranged symmetrically, and are conducive to the more effective reasonable entrance of vehicle test model 2
Wind tunnel laboratory 1.
High-speed servo motor 3 is mentioned by rotation belt wheel 4 and high-intensitive carousel 6 to drive vehicle test model 2
After initial motion power, instantaneous velocity of the vehicle test model 2 on the test guide rail 7 of 12 upper surface of accelerating sections is not less than
100km/h。
The running gear of hot-short wind tunnel model provided by the utility model based on principle of inertia driving further includes
Braking section 13；Accelerating sections 12, wind tunnel laboratory 1 and braking section 13 are then set gradually before and total length is L；Accelerating sections 12
Test guide rail 7 is equipped with the upper surface of wind tunnel laboratory 1；Deceleration device is provided on braking section；Vehicle test model 2 obtains
After the initial motion power provided by accelerator is provided, successively enters wind tunnel laboratory 1 from accelerating sections 12 by inertia, finally exist
Stop motion under the action of deceleration device on braking section；The length of accelerating sections is LAdd；The length of braking section is LSubtract；LAdd=LSubtract≤
L.Deceleration device includes the braking friction device 10 for being placed in 13 upper surface of braking section test guide rail 7；By the vehicle of wind tunnel laboratory 1
Test model 2 is braked with the friction of braking friction device 10 on 13 upper surface of braking section test guide rail 7.
Braking friction device 10 is that deceleration friction plate is formed by by polyurethane；Deceleration friction plate is arranged in pairs in braking section
It tests on guide rail 7 13 upper surfaces；By on the vehicle test model 2 of wind tunnel laboratory 1 and 13 upper surface of braking section test guide rail 7
Deceleration friction plate friction braked；The surface that braking friction device 10 is in contact with vehicle test model 2 is wave-shaped；Subtract
Speed variator further includes the buffer stopper 8 for being placed in 13 upper surface of braking section test 7 end of guide rail.
Vehicle test model 2 includes vehicle wind tunnel model coat 14, model structure support stringer 15, model structure support cross
Beam 16, model dynamic pulley 17, dynamic pulley connecting rod 18 and derailing embrace rail device 19；Model structure support stringer 15 and
16 transverse and longitudinal of model structure support beam is staggered to form the frame structure of vehicle test model 2；Vehicle wind tunnel model coat 14
It is placed in outside frame structure；Frame structure bottom is provided with pairs of model dynamic pulley 17；Pairs of model dynamic pulley 17
It is connected by dynamic pulley connecting rod 18；It is provided with derailing in frame structure and embraces rail device 19；Derailing is embraced rail device 19 and is arranged
There is spacing on the outer profile of test guide rail 7 and between test guide rail 7；Model dynamic pulley 17 is stuck on test guide rail 7 simultaneously
It can be on test guide rail 7 along the axial movement of test guide rail 7；Accelerator only lean against on model structure support stringer 15 and to
Model structure support stringer 15 provides initial motion power.
The running gear of hot-short wind tunnel model based on principle of inertia driving further includes changeover portion 21 and aperture section
20；Changeover portion 21 and aperture section 20 are that it is symmetricly set on 1 two sides of wind tunnel laboratory in pairs；Accelerating sections 12, changeover portion 21,
Aperture section 20, wind tunnel laboratory 1, aperture section 20, changeover portion 21 and braking section 13 are then set gradually before and total length is
L；Accelerating sections 12, changeover portion 21, aperture section 20, wind tunnel laboratory 1, aperture section 20, changeover portion 21 and braking section 13 upper table
Face is equipped with test guide rail 7.
The running gear of hot-short wind tunnel model based on principle of inertia driving further includes setting in test 7 bottom of guide rail
Braced frame 9.Braced frame passes through the support and holding height fixed steel construction and combine steelframe realization to structure, fixed
Steel construction is used to that device to be supported while be guaranteed certain test height, combination steel construction are used to support track and accelerator,
Simultaneously combine steel construction for meet test need can carry out disassembly and assembling combination, and can according to test need to carry out it is attached
The installation of facility.
As shown in Figure 1 to Figure 3, vehicle test model 2 includes vehicle wind tunnel model coat 14, model structure support stringer
15, model structure support beam 16, model dynamic pulley 17, dynamic pulley connecting rod 18, derailing armful rail device 19, test model
Train 2 can be along test guide rail 7 successively from accelerating sections 12 to wind tunnel laboratory 1, to braking section 13 until stopping.
As shown in Fig. 2, model in wind tunnel 2 sequentially or simultaneously can pass through changeover portion 21 and aperture section from both ends accelerating sections 12
20 enter wind tunnel laboratory 1, enter braking section 13 later, and wherein braking section 13 includes test guide rail 7, and braced frame 9, braking rubs
Device 10, buffer stopper 8 are hindered, and the braking friction device 10 is played the role of mainly slowing down by polyurethane, and is in symmetrical spacing
It is sequentially reduced distribution.
As shown in figure 3, test model includes attached model of bridge etc. 11 and vehicle test model 2 in wind tunnel laboratory 1,
Wherein vehicle test model 2 includes structure member, moving component, control unit.2 structure member of vehicle test model includes vehicle
Wind tunnel model coat 14, model structure support stringer 15 and model structure support beam 16.2 moving component of vehicle test model
Including model dynamic pulley 17, dynamic pulley connecting rod 18, control unit is that derailing embraces rail device 19.As illustrated in fig. 1 and 2, vehicle
The setting of test model 2 there are two the workbench for intersecting relative direction respectively, when vehicle test model 2 can one direction operation,
Can also two-way interactive operation, vehicle test model 2 can freely be detached from accelerating sections 12.When vehicle test model 2 from accelerating sections 12 from
By be detached from forward shuttle when across changeover portion 21, aperture section 20 enter wind tunnel laboratory 1, vehicle test model 2 by with braking
Friction device 10 interacts, and realizes fast braking.
In specific works, vehicle test model 2 is located on test guide rail 7 accelerator provided by the utility model
The initial starting point position of accelerating sections 12, high-speed servo motor 3 are located at the rear end of 12 initial position of accelerating sections, rotation belt wheel 4 and height
Intensity carousel 6 is located at the bottom of vehicle test model 2, and external tooth thrust plate 5 is close to close with model structure support stringer 15
It is combined, by remotely controlling the high speed rotation of high-speed servo motor 3, drives rotation belt wheel 4 and high-intensitive carousel 6
It rotate together at high speed, and by driving external tooth thrust plate 5 that the acceleration of vehicle test model 2 travels forward, vehicle test model 2 is logical
It crosses acceleration and reaches predetermined test speed, automatically disengage high-intensitive carousel 6, after vehicle test model 2 is detached from, watch at a high speed
It takes motor 3 and the high-intensitive deceleration of carousel 6 stops, vehicle test model 2, which moves forward, successively passes through changeover portion 21
Enter wind tunnel laboratory 1 with aperture section 20；As vehicle test model 2 passes through wind tunnel laboratory 1, into symmetrical aperture section 21
With braking section 13 is progressed into after changeover portion 20, close in braking section 13 polyurethane 10 contact friction, thus realize to vehicle
The deceleration of test model 2, to make 2 safe buffering of vehicle test model, polyurethane 10 is designed to that spacing is successively successively decreased, in deceleration
It plays and slows down until the purpose braked simultaneously.
The utility model pilot system has a characteristic that driving capability is strong using the principle of inertial drive test model,
Time is short, and speed is fast；Driving force does not act directly on vehicle wind tunnel model, can protect test model coat in test process
In integrality, guarantee data it is true rationally effectively；Accelerated mode is easily achieved, and drive efficiency is good, being capable of short time short distance
Accelerate from completion；Train can be simulated to orbit, meet true train operating condition；Such mode is saved energy and is not produced
Raw very big noise improves test efficiency again.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of running gear of the hot-short wind tunnel model based on principle of inertia driving, it is characterised in that: described based on used
Property principle driving hot-short wind tunnel model running gear include wind tunnel laboratory (1), test guide rail (7), vehicle test
Model (2) accelerating sections (12)；The upper surface of the accelerating sections (12) and wind tunnel laboratory (1) is equipped with test guide rail (7)；Institute
It states and is provided with accelerator on accelerating sections；The accelerator only leans against on vehicle test model (2) and to vehicle test model
(2) initial motion power is provided；The end phase of the end of the accelerator and the test guide rail (7) of accelerating sections (12) upper surface
It connects；After the vehicle test model (2) obtains the initial motion power provided by accelerator, by inertia successively from accelerating sections
(12) enter wind tunnel laboratory (1).
2. the running gear of the hot-short wind tunnel model according to claim 1 based on principle of inertia driving, feature
Be: the accelerator includes high-speed servo motor (3), rotation belt wheel (4), external tooth thrust plate (5), high-intensitive rotation transmission
Band (6)；The high intensity carousel (6) is wrapped in rotation belt wheel (4)；The high-speed servo motor (3) and rotation band
(4) are taken turns to be connected and drive high-intensitive carousel (6) to rotate by rotation belt wheel (4)；One end of the external tooth thrust plate (5)
It is arranged on high-intensitive carousel (6) and is rotated synchronously with high-intensitive carousel (6), the other end is inserted into vehicle test
In model (2).
3. the running gear of the hot-short wind tunnel model according to claim 2 based on principle of inertia driving, feature
Be: the rotation belt wheel (4) is at least two；The high intensity carousel (6) is annular in shape and is supportted by rotation belt wheel (4)
Open tension；The high-speed servo motor (3) is connected with any one rotation belt wheel (4) and is driven by rotation belt wheel (4) high-intensitive
Carousel (6) rotation.
4. the running gear of the hot-short wind tunnel model according to claim 3 based on principle of inertia driving, feature
Be: the high-speed servo motor (3) is by rotating belt wheel (4) and high-intensitive carousel (6) to drive vehicle test
After model (2) provides initial motion power, test guide rail (7) of the vehicle test model (2) in accelerating sections (12) upper surface
On instantaneous velocity be not less than 100km/h.
5. the operation dress of the hot-short wind tunnel model according to claim 1 or 2 or 3 or 4 based on principle of inertia driving
It sets, it is characterised in that: the running gear of the hot-short wind tunnel model based on principle of inertia driving further includes braking section
(13)；The accelerating sections (12), wind tunnel laboratory (1) and braking section (13) are then set gradually before and total length is L；Institute
It states and is provided with deceleration device on braking section；The vehicle test model (2) is finally under the action of the deceleration device on braking section
Stop motion；The length of the accelerating sections is LAdd；The length of the braking section is LSubtract；The LAdd=LSubtract≤L。
6. the running gear of the hot-short wind tunnel model according to claim 5 based on principle of inertia driving, feature
Be: the deceleration device includes the braking friction device (10) for being placed in braking section (13) upper surface test guide rail (7)；By wind
Braking friction device (10) on the vehicle test model (2) in hole laboratory (1) and braking section (13) upper surface test guide rail (7)
Friction is braked；
The braking friction device (10) is that deceleration friction plate is formed by by polyurethane；The deceleration friction plate is arranged in pairs in
It tests on guide rail (7) braking section (13) upper surface；Vehicle test model (2) and braking section (13) by wind tunnel laboratory (1)
Deceleration friction plate friction in upper surface test guide rail (7) is braked；The braking friction device (10) and vehicle test mould
The surface that type (2) is in contact is wave-shaped.
7. the running gear of the hot-short wind tunnel model according to claim 6 based on principle of inertia driving, feature
Be: the deceleration device further includes the buffer stopper (8) for being placed in braking section (13) upper surface test guide rail (7) end.
8. the running gear of the hot-short wind tunnel model according to claim 7 based on principle of inertia driving, feature
Be: the vehicle test model (2) includes vehicle wind tunnel model coat (14), model structure support stringer (15), model knot
Structure support beam (16), model dynamic pulley (17), dynamic pulley connecting rod (18) and derailing embrace rail device (19)；The mould
Type structural support stringer (15) and model structure support beam (16) transverse and longitudinal are staggered to form the frame of vehicle test model (2)
Frame structure；The vehicle wind tunnel model coat (14) is placed in outside frame structure；The frame structure bottom is provided with pairs of
Model dynamic pulley (17)；Pairs of model dynamic pulley (17) is connected by dynamic pulley connecting rod (18)；The frame structure
On be provided with derailing embrace rail device (19)；The derailing embraces rail device (19) setting on the outer profile of test guide rail (7)
And there is spacing between test guide rail (7)；The model dynamic pulley (17) is stuck in test guide rail (7) and can be in test guide rail
(7) along the axial movement of test guide rail (7) on；The accelerator only leans against on model structure support stringer (15) and to mould
Type structural support stringer (15) provides initial motion power.
9. the running gear of the hot-short wind tunnel model according to claim 8 based on principle of inertia driving, feature
Be: the running gear of the hot-short wind tunnel model based on principle of inertia driving further includes changeover portion (21) and aperture
Section (20)；The changeover portion (21) and aperture section (20) are that it is symmetricly set on wind tunnel laboratory (1) two sides in pairs；It is described
Accelerating sections (12), changeover portion (21), aperture section (20), wind tunnel laboratory (1), aperture section (20), changeover portion (21) and deceleration
Section (13) is then set gradually before and total length is L；The accelerating sections (12), changeover portion (21), aperture section (20), wind-tunnel are real
The upper surface for testing room (1), aperture section (20), changeover portion (21) and braking section (13) is equipped with test guide rail (7).
10. the running gear of the hot-short wind tunnel model according to claim 9 based on principle of inertia driving, feature
Be: the running gear of the hot-short wind tunnel model based on principle of inertia driving further includes setting in test guide rail (7)
The braced frame (9) of bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920493502.0U CN209589413U (en) | 2019-04-12 | 2019-04-12 | The running gear of hot-short wind tunnel model based on principle of inertia driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920493502.0U CN209589413U (en) | 2019-04-12 | 2019-04-12 | The running gear of hot-short wind tunnel model based on principle of inertia driving |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006615A (en) * | 2019-04-12 | 2019-07-12 | 中南大学 | The running gear of hot-short wind tunnel model based on principle of inertia driving |
| CN111174994A (en) * | 2020-03-08 | 2020-05-19 | 吉林大学 | Acceleration and deceleration device and acceleration and deceleration method for axle coupling vibration model test |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006615A (en) * | 2019-04-12 | 2019-07-12 | 中南大学 | The running gear of hot-short wind tunnel model based on principle of inertia driving |
| CN111174994A (en) * | 2020-03-08 | 2020-05-19 | 吉林大学 | Acceleration and deceleration device and acceleration and deceleration method for axle coupling vibration model test |
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