NL2027512B1 - Device For Realizing Ground Vehicle Load Simulation In Physical Model Test - Google Patents

Device For Realizing Ground Vehicle Load Simulation In Physical Model Test Download PDF

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Publication number
NL2027512B1
NL2027512B1 NL2027512A NL2027512A NL2027512B1 NL 2027512 B1 NL2027512 B1 NL 2027512B1 NL 2027512 A NL2027512 A NL 2027512A NL 2027512 A NL2027512 A NL 2027512A NL 2027512 B1 NL2027512 B1 NL 2027512B1
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Netherlands
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connecting shaft
holes
physical model
simulation
model test
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NL2027512A
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Dutch (nl)
Inventor
Tao Liang
Jiao Yuyong
Tan Fei
Cheng Yi
Zhang You
Mao Zhongmin
Peng Hanfa
Tu Fubin
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Univ China Geosciences
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles

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  • General Physics & Mathematics (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
  • Toys (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

The invention relates to the field of vehicle test equipment, and in particular, to a device for realizing ground vehicle load simulation in a physical model test. The device comprises a drive assembly, a linkage assembly which is engaged with the drive assembly and a vehicle load applying part arranged on the linkage assembly, wherein the drive assembly comprises a drive part, and two fluted discs having an adjustable axial spacing arranged at the output end of the drive part; the linkage assembly comprises gears engaged at the two sides of each fluted disc, wherein an axial spacing of two coaxial gears is adjustable, a chain, which is connected to the vehicle load applying assembly, is in sleeve connection outside the two gears disposed in the same plane; a weight regulating part is arranged outside the vehicle load allying assembly; and one end, away from the chain, of the vehicle load applying assembly is equipped with a wheel simulating device. The device for realizing ground vehicle load simulation in the physical model test provided by the invention can be adjusted in accordance with a practical vehicle wheel spacing, an axle spacing, uniaxial load of a wheel set, a vehicle travelling speed and traffic flow.

Description

Device For Realizing Ground Vehicle Load Simulation In Physical Model Test
TECHNICAL FIELD The invention relates to the field of vehicle test equipment, and in particular to, a device for realizing ground vehicle load simulation in a physical model test.
BACKGROUND Ground vehicle load is a disaster-causing factor that shall be considered in a catastrophic process of engineering geological disasters at urban roads and peripherals thereof. According to the similar theory, an indoor physical model test, which can reproduce a surrounding environment and the disaster-causing factor in a practical occurrence process of the engineering geological disasters in a laboratory, and can directly and visually reflect the practical occurrence process though derived data, is a main research method for a disaster-causing mechanism of the engineering geological disasters. The physical model test has the advantages of low cost, simple operation and strong parameter control in comparison with a field test, and the advantages of higher compatibility with field practical geological and peripheral environmental conditions and capacity to reflect reality more authentically in comparison with numerical simulation, and is a relatively ideal choice for researching the disaster-causing mechanism of the engineering geological disasters.
The ground vehicle load is generally simplified to be uniform surface load with a fixed frequency and a fixed load size in a current physical model test; but in reality, there is a great difference between a current way for realizing simulation of ground vehicle load and a practical vehicle load applying way by taking a contact surface between each wheel and a road surface as a load applying surface, where vehicle wheel spacing and axial spacing are much greater than the dimension of the contact surface. Research results of the disaster-causing mechanism in the catastrophic process of the engineering geological disasters are mostly inaccurate as it is difficult to truly reflect a practical condition of the vehicle load.
SUMMARY In order to solve the above-mentioned problems, an objective of the invention is to provide a device for realizing ground vehicle load simulation in a physical model test. In order to solve the drawbacks and disadvantages in a way for realizing ground vehicle load simulation in a physical model test in the prior art, an objective of the invention is to provide a device for realizing ground vehicle load simulation in a physical model test, which can be adjusted in accordance with a practical vehicle wheel spacing, an axle spacing, uniaxial load of a wheel set, a vehicle travelling speed and traffic flow. To achieve the above objective, the invention provides the following technical solution: A device for realizing ground vehicle load simulation in a physical model test includes a drive assembly, a linkage assembly engaged with the drive assembly and a vehicle load applying assembly arranged on the linkage assembly, where the drive assembly includes a drive part, and two fluted discs having an adjustable axial spacing arranged at the output end of the drive part; The linkage assembly includes gears engaged at the two sides of each fluted disc, where an axial spacing between the two coaxial gears is adjustable, achain is in sleeve connection outside the two gears disposed in the same plane, the chain is connected to the vehicle load applying assembly which is arranged at one end away from the chain.
Preferably, the drive part includes a motor and a first connecting shaft coupled with the output end of the motor, where the first connecting shaft is fixedly connected to first key structures in a penetrating mode; the two fluted discs are in sliding connection to the first connecting shaft through the first key structures, a plurality of first through holes, which are disposed at equal spacing, are formed in the side walls of the first connecting shaft, first plug-pins are arranged in the first through holes in a matched mode, and the fluted discs are fixed to the first connecting shaft through the first-through holes and the first plug-pins. Preferably, the two coaxial gears are coupled with second connecting shafts, second key structures are fixedly connected on the second connecting shafts in a penetrating mode, the two coaxial gears are in sliding connection to the second connecting shafts through the second key structures, a plurality of second through holes, which are disposed at equal distance, are formed in the side walls of the second connecting shafts, second plug-pins are arranged in the second through holes in a matched hole, the two coaxial gears are fixed to the second connecting shafts through the second through-holes and the second plug-pins, and the two second connecting shafts are rotatably connected to fixed plates separately.
Preferably, the vehicle load applying assembly includes a connecting rod, where on end of the connecting rod is in threaded connection to a dual-Y-shaped structure, the other end of the connecting rod is welded with a circular ring plate, a sleeve is movably in sleeve connection outside the circular ring plate, a weight regulating part sleeve connection outside the sleeve, one end, away from the connecting rod, of the sleeve is fixedly connected to a lower baffle plate, the connecting rod is connected to the chain through the dual-Y-shaped structure, one end, away from the connecting rod, of the sleeve is fixedly connected to a lower end part connecting end which is rotatably connected to a wheel simulating device.
Preferably, an upper baffle plate is in threaded connection outside one end, close to the connecting rod, of the sleeve, a hole-making cover plate is in threaded connection inside one end, close to the connecting rod, of the sleeve, and a plurality of gas holes are formed in the hole-making cover plate, where a hole-making diameter of the hole-making cover plate is matched with an outer diameter of the connecting rod.
Preferably, the sleeve, the lower baffle plate and the lower end part connecting end are integrally formed.
Preferably, the two ends, away from the connecting rod, of the dual-Y-shaped structure are rotatably connected to lengthened pin rolls, the chain includes a plurality of chain joints connected end to end, and the dual-Y-shaped structure is connected to the chain joints through the lengthened pin rolls.
Preferably, the wheel simulating device includes a third connecting shaft rotatably connected on the lower end part connecting end, where a third key structure is arranged on the third connecting shaft in a peripheral penetrating mode, a plurality of third through holes are formed in the side walls of the third connecting shaft, third plug-pins are arranged in the third through holes in a matched mode, the middle part of the third connecting shaft is fixed to the lower end part connecting end through the third through holes and the third plug-pins, the two ends of the third connecting shaft are rotatably connected to single wheels separately, bearings of the single wheels are connected to the third connecting shaft through the third through holes and the third plug-pins.
Preferably, the weight regulating part includes a plurality of counterweights which sleeve connection outside the sleeve.
Compared with the prior art, the invention achieves the following technical effects:
(1) The invention is simple in structure, is convenient in processing and assembly, is low in cost, and is safe and reliable. (2) Equipment is simple to operate, and is suitable for realizing intuitionistic simulation of a vehicle load condition on complex ground in a physical model test. (3) Simulation for vehicle load under different vehicle speed conditions can be realized by regulating a rotation speed of a motor. (4) Simulation for vehicle load of vehicles with different wheel spacings can be realized by regulating a spacing between the two fluted discs.
(5) Simulation for vehicle load under different traffic flows and vehicle axial spacings can be realized by regulating number and the spacing of vehicle load applying assemblies mounted on the same chain.
5 (6) Simulation for vehicle load under combination of axial load of any wheel set can be realized by regulating number of the counterweights on each vehicle load applying assembly.
BRIEF DESCRIPTION OF THE DRAWING To describe the technical solutions in the embodiments of the invention or in the prior art more clearly, the following briefly describes the accompanying drawings required for describing the embodiments. Apparently, the accompanying drawings in the following description show merely some embodiments of the invention, and a person of ordinary skill in the art may still derive other drawings from these accompanying drawings without creative efforts.
FIG. 1 is a structural diagram of the invention.
FIG. 2 is a structural diagram of a drive assembly of the invention.
FIG. 3 is a structural diagram of a single-side linkage assembly of the invention.
FIG. 4 is a structural diagram of a linkage assembly of the invention.
FIG. 5 is a structural diagram of a vehicle load applying assembly of the invention.
FIG. 6 is a structural diagram of a connecting rod of the invention. FIG. 7 is a structural diagram showing a matching structure of a dual-Y-shaped structure and a chain joint. FIG. 8 is a structural diagram of a sleeve. FIG. 9 is a side-view structural diagram of a wheel simulating device. FIG. 10 is a front-view structural diagram of a wheel simulating device. FIG. 11 is a structural diagram of a third connecting shaft.
Wherein: 11. motor; 12. first connecting shaft; 13. fluted disc; 14. first plug-pin; 15. first key structure; 16. first through hole; 21. gear; 22. chain; 221. chain joint; 222. lengthened pin roll; 23. fixed plate; 24. second connecting shaft;
25. second key structure; 26. second through hole; 27. second plug-pin; 31. connecting rod; 311. circular ring plate; 312. dual-Y-shaped structure; 32. sleeve;
321. lower baffle plate; 322. upper baffle plate; 323. hole-making cover plate;
324. gas hole; 325. lower end part connecting end; 33. counterweight, 34. wheel simulating device; 341. single wheel; 342. third connecting shaft; 343. third key structure; 344. third through hole; and 345. third plug-pin.
DETAILED DESCRIPTION The following clearly and completely describes the technical solutions in the embodiments of the invention in conjunction with accompanying drawings in the embodiments of the invention. Apparently, the described embodiments are merely a part rather than all of the embodiments of the invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the invention without creative efforts should fall within the protection scope of the invention.
To make the above objective, features and advantages of the invention clearer and more comprehensible, the invention is further described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to FIG. 1-11, the device for realizing ground vehicle load simulation in physical model test provided by the invention includes a drive assembly, a linkage assembly engaged with the drive assembly and a vehicle load applying assembly arranged on the linkage assembly.
The drive assembly includes a drive part, and two fluted discs 13 having an adjustable axial spacing arranged at the output end of the drive part.
The linkage assembly includes gears 21 engaged at the two sides of each fluted disc 13, a chain 22 is in sleeve connection outside the two gears 21 disposed in the same plane, the chain 22 is connected to the vehicle load applying assembly which is arranged at one end away from the chain 22, where an axial spacing between the two coaxial gears 21 is adjustable.
According to a further optimized solution, the drive part includes a motor 11 and a first connecting shaft 12 coupled with the output end of the motor 11, where first key structures 15 are fixedly connected on the first connecting shaft 12 in a penetrating mode, two fluted discs 13 are in sliding connection to the first connecting shaft 12 through the first key structures 15, a plurality of first through holes 16, which are disposed at equal spacing, are formed in the side walls of the first connecting shaft 12, first plug-pins 14 are arranged in the first through holes 16 in a matched mode, the fluted discs 13 are fixed to the first connecting shaft 12 through the first through holes 16 and the first plug-pins 14, and the fluted discs 13 are clamped by the two first plug-pins 14 to fix.
According to a further optimized solution, two coaxial gears 21 are coupled with second connecting shafts 24, second key structures 25 are fixedly connected on the second connecting shafts 24 in a penetrating mode, the two coaxial gears 21 are in sliding connection to the second connecting shafts 24 through second key structures 25, a plurality of second through holes 26, which are disposed at equal spacing, are formed in the side walls of the second connecting shafts 24, second plug-pins 27 are arranged in the second through holes 26 in a matched mode, the two coaxial gears 21 are fixed to the second connecting shafts 24 through the second through holes 26 and the second plug-pins 27, and the gears 21 are clamped by the two second plug-pins 27 to fix; and the two second connecting shafts 24 are rotatably connected to fixed plates 23 separately.
According to a further optimized solution, the vehicle load applying assembly includes a connecting rod 31, where one end of the connecting rod 31 is in threaded connection to a dual-Y-shaped structure 312, and the other end of the connecting rod 31 is welded with a circular ring plate 311, a sleeve 32 is movably in sleeve connection outside the circular ring plate 311, a weight regulating part sleeve connection outside the sleeve 32, one end, away from the connecting rod 31, of the sleeve 32 is fixedly connected to a lower baffle plate 321, the connecting rod 31 is connected to a chain 22 through the dual-Y-shaped structure 312, one end, away from the connecting rod 31, of the sleeve 32 is fixedly connected to a lower end part connecting end 325 which is rotatably connected to a wheel simulating device 34.
According to a further optimized solution, the outer side of one end, close to the connecting rod 31, of the sleeve 32 is in threaded connection to an upper baffle plate 322, a hole-making cover plate 323 is in threaded connection inside one end, close to the connecting rod 31, of the sleeve 32, and a plurality of gas holes 324 are formed in the hole-making cover plate 323, where a hole-making diameter of the hole-making cover plate 323 is matched with an outer diameter of the connecting rod 31.
According to a further optimized solution, the sleeve 32, the lower baffle plate 321 and the lower end part connecting end 325 are integrally formed.
According to a further optimized solution, the two ends, away from the connecting rod 31, of the dual-Y-shaped structure 312 are rotatably connected to lengthened pin rolls 222, where the chain 22 includes a plurality of chain joints 221 connected end to end, and the dual-Y-shaped structure 312 is connected to the chain joints 221 through the lengthened pin rolls 222.
According to a further optimized solution, the wheel simulating device 34 includes a third connecting shaft 342 rotatably connected on a lower end part connecting end 325, where a third key structure 343 is arranged in the peripheral direction of the third connecting shaft 342 in a penetrating mode, a plurality of third through holes 344 are formed in the side walls of the third connecting shaft 342, third plug-pins 345 are arranged in the third through holes 344 in a matched mode, the middle part of the third connecting shaft 342 is fixed to the lower end part connecting end 325 through the third through holes 344 and the third plug-pins 345, a connecting section 325 is clamped by the two third plug-pins 345 to fix, the two ends of the third connecting shaft 342 are rotatably connected to single wheels 341 separately through bearings, and the bearings of the single wheels 341 are connected to the third connecting shaft 342 through the third through holes 344 and the third plug-pins 345. According to a further optimized solution, the weight regulating part includes a plurality of counterweights 33 which sleeve connection outside the sleeve 32. The working principle of the invention is as follows: Before the physical model test, the device is placed above the surface of a model, is guaranteed to be consistent with a ground vehicle load applying area designed thereon in a planar position; the bottom of the wheel simulating device 34 is guaranteed to be in direct contact with the upper surface of a soil body to successfully apply vehicle load while it moves to a ground vehicle load applying point at a height position; and the device is fixed and guaranteed to avoid instability and deviate in a running process after a plane and a height position for placing the device are ensured.
When the physical model test starts, the motor 11 is electrified and the first connecting shaft 12 starts rotation to drive the two fluted discs 13 to start rotating atthe same speed; each fluted disc 13 drives front and rear gears 21 connected to it to rotate in the same direction at the same speed, and the chain 22 connected to the gears 21 is driven to rotate, such that the vehicle load applying assembly connected to the chain 22 is driven to move; when each vehicle load applying assembly moves to a vehicle load applying point, the counterweights
33 move onto the lower baffle plate 321 and the sleeve 32 moves downwards under action of gravity; the vehicle load applying assembly integrally extends to contact the wheel simulating device 34 with the upper surface of the model soil body, such that gravity of the counterweights 33 which simulate vehicle axial load is applied to the vehicle load applying point; along with continuous movement of the vehicle load applying assembly, the wheel simulating device 34 continuously applies load to the model soil body just like continuously grinding a road by practical vehicle load; and the gas holes 324 can ensure balance between internal pressure and atmospheric pressure in a cavity enclosed by the circular ring plate 311 and the hole-making cover plate 323 while the sleeve 32 moves downwards.
Simulation for vehicle load under different vehicle speed conditions can be realized by regulating the rotation speed of the motor 11. Simulation for vehicle load of vehicles with different wheel spacings can be realized by regulating a spacing between the two fluted discs 13. Simulation for vehicle load under different traffic flows and vehicle axial spacings can be realized by regulating number and the spacing of vehicle load applying assemblies mounted on the same chain 22. Simulation for vehicle load under combination of axial load of any wheel set can be realized by regulating number of the counterweights33 on each vehicle load applying assembly.
In the description of the invention, it is to be understood that the orientation or positional relationship indicated by terms "longitudinal”, "transverse", "upper", lower", "front", "rear", "left", "right", "vertical", "lateral", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the invention.
It is not intended or implied that the device or component that is referred to has a particular orientation, is constructed and operated in a particular orientation, and thus is not to be construed as limiting the invention.
The embodiments described above are only for describing the preferred mode of the invention, and are not intended to limit the scope of the invention.
Without departing from the design spirit of the invention, those skilled in the art can make various technical solutions to the invention.
Variations and improvements shall all fall within the protection scope determined by the claims of the invention

Claims (9)

ConclusiesConclusions 1. Een inrichting voor het realiseren van een simulatie in fysieke modeltest van een belasting van een grondvoertuig omvattende: een aandrijfcomponent, een stangenstelsel gekoppeld met het aandrijfcomponent, en een onderdelenset op het stangenstelsel, voor toepassing van voertuigbelasting op het stangenstelsel; het aandrijfcomponent omvat een aandrijfgedeelte en twee getande schijven (13) set aan de uitgang van het aandrijfgedeelte, waarbij de axiale afstand van twee getande schijven (13) instelbaar is; het stangenstelsel omvat tandwielen (21) gekoppeld aan weerszijden van de getande schijven (13), waarbij de axiale afstand van twee coaxiale tandwielen (21) instelbaar is, waarbij de buitenkant van twee tandwielen (21) op hetzelfde vlak worden ommanteld met een ketting (22), waarbij de ketting (22) is gekoppeld aan de onderdelenset voor toepassing van de voertuigbelasting, die aan een uiteinde verweg van de ketting is geplaatst (22).An apparatus for realizing a physical model test simulation of a load on a ground vehicle comprising: a drive component, a linkage coupled to the drive component, and a set of parts on the linkage, for applying vehicle load to the linkage; the drive component comprises a drive portion and two toothed disks (13) set at the output of the drive portion, wherein the axial distance of two toothed disks (13) is adjustable; the linkage comprises gears (21) coupled on either side of the toothed discs (13), the axial distance of two coaxial gears (21) being adjustable, the outer sides of two gears (21) being sheathed on the same plane with a chain ( 22), the chain (22) being coupled to the vehicle load application parts kit, which is located at one end far from the chain (22). 2. Een inrichting voor het realiseren van een simulatie in fysieke modeltest van een belasting van een grondvoertuig volgens conclusie 1, met het kenmerk dat: het aandrijfgedeelte een motor (11) omvat en de eerste verbindingsas (12) axiaal aangesloten op het uitgangseinde van de motor (11), waarbij de eerste verbindingsas (12) vast is verbonden met een eerste verbindingsstructuur (15), waarbij twee getande schijven (13) verschuifbaar zijn aangesloten op de eerste verbindingsast (12) door middel van de eerste verbindingsstructuur (15), waarbij de zijwand van de eerste verbindingsas (12) is voorzien van een aantal eerste gaten (16) met gelijke tussenruimte, waarbij de eerste gaten (16) zijn voorzien van bijpassende eerste bouten (14), waarbij de getande schijven (13) zijn bevestigd aan de eerste verbindingsas (12) door middel van de eerste gaten (16) en eerste bouten (14).An apparatus for realizing a simulation in physical model test of a load of a ground vehicle according to claim 1, characterized in that : the driving portion comprises a motor (11) and the first connecting shaft (12) axially connected to the output end of the motor (11), the first connecting shaft (12) being fixedly connected to a first connecting structure (15), two toothed discs (13) being slidably connected to the first connecting shaft (12) by means of the first connecting structure (15), wherein the side wall of the first connecting shaft (12) is provided with a plurality of equally spaced first holes (16), the first holes (16) being provided with mating first bolts (14), the toothed discs (13) being mounted to the first connecting shaft (12) by means of the first holes (16) and first bolts (14). 3. Een inrichting voor het realiseren van een simulatie in fysieke modeltest van een belasting van een grondvoertuig volgens conclusie 1 of 2, met het kenmerk dat: twee coaxiale tandwielen (21) die axiaal zijn verbonden met een tweede verbindingsas (24), waarbij de tweede verbindingsas (24) vast is verbonden met een tweede verbindingsstructuur (25), waarbij de twee coaxiale tandwielen (21) verschuifbaar zijn verbonden met de tweede verbindingsas (24) door middel van de tweede verbindingsstructuur (25),waarbij de zijwand van de tweede verbindingsas (24) is voorzien van een aantal tweede gaten (26) met gelijke tussenruimte, waarbij de tweede gaten (26) zijn voorzien van bijpassende tweede bouten (27), waarbij de twee coaxiale tandwielen (21) zijn bevestigd aan de tweede verbindingsas (24) door middel van de tweede gaten (26) en tweede bouten (27), waarbij de twee tweede verbindingsassen (24) respectievelijk worden geroteerd en bevestigd op een vaste plaat (23).An apparatus for realizing a physical model test simulation of a load on a ground vehicle according to claim 1 or 2, characterized in that : two coaxial gears (21) axially connected to a second connecting shaft (24), the second connecting shaft (24) is fixedly connected to a second connecting structure (25), wherein the two coaxial gears (21) are slidably connected to the second connecting shaft (24) by means of the second connecting structure (25), whereby the side wall of the second connecting shaft (24) is provided with a plurality of second holes (26) equally spaced, the second holes (26) being provided with mating second bolts (27), the two coaxial gears (21) being fixed to the second connecting shaft ( 24) by means of the second holes (26) and second bolts (27), the two second connecting shafts (24) being respectively rotated and fixed on a fixed plate (23). 4. Een inrichting voor het realiseren van een simulatie in fysieke modeltest van een belasting van een grondvoertuig volgens een der voorgaande conclusies, met het kenmerk dat: de onderdelenset voor de toepassing van voertuigbelasting een verbindingsstang (31) omvat, waarbij een uiteinde van de verbindingsstang (31) met schroefdraad is verbonden met een dubbele Y-vormige structuur (312), en het andere uiteinde is gelast met een ringvormige plaat (311), waarbij de buitenkant van de ringvormige plaat (311) is omhuld met een huls (32) die verplaatsbaar is, waarbij de buitenkant van de huls (32) is uitgerust met een gewichtsinstelgedeelte, waarbij de onderste retarder (321) is vast verbonden met een uiteinde van de huls (32) uit de buurt van de verbindingsstang (31), waarbij de verbindingsstang (31) is verbonden met de ketting (22) door middel van de dubbele Y-vormige structuur (312), waarbij het onderste verbindingseinde (325) vast is verbonden met een uiteinde van de huls (32) uit de buurt van de verbindingsstang (31),m waarbij het onderste verbindingseinde (325) draaibaar is verbonden met een wiel simuleringsinrichting (34).An apparatus for realizing a physical model test simulation of a load on a ground vehicle according to any one of the preceding claims, characterized in that : the vehicle load application parts kit comprises a connecting rod (31), one end of the connecting rod (31) is threadedly connected with a double Y-shaped structure (312), and the other end is welded with an annular plate (311), wherein the outside of the annular plate (311) is sheathed with a sleeve (32) which is movable, the outer side of the sleeve (32) being provided with a weight adjustment portion, the lower retarder (321) being rigidly connected to an end of the sleeve (32) away from the connecting rod (31), the connecting rod (31) is connected to the chain (22) by means of the double Y-shaped structure (312), the lower connecting end (325) being rigidly connected to one end of the sleeve (32) from the outside. rt of the connecting rod (31),m wherein the lower connecting end (325) is pivotally connected to a wheel simulating device (34). 5. Een inrichting voor het realiseren van een simulatie in fysieke modeltest van een belasting van een grondvoertuig volgens conclusie 4, met het kenmerk dat: de buitenkant van een uiteinde van de huls (32) dichtbij de verbindingsstang (31) is verbonden met een bovenste retarder (322) door schroefdraad, waarbij de binnenkant van een uiteinde van de huls (32) dichtbij de verbindingsstang (31) is verbonden met een geperforeerde afdekplaat (323) door schroefdraad, waarbij de gatdiameter van de geperforeerde afdekplaat (323) is uitgelijnd op de buitendiameter van de verbindingsstang (31), waarbij de geperforeerde afdekplaat (323) is voorzien van meerdere luchtgaten (324).An apparatus for realizing a physical model test simulation of a load on a ground vehicle according to claim 4, characterized in that : the outer side of one end of the sleeve (32) close to the connecting rod (31) is connected to an upper retarder (322) by threading, wherein the inside of one end of the sleeve (32) close to the connecting rod (31) is connected to a perforated cover plate (323) by threading, wherein the hole diameter of the perforated cover plate (323) is aligned with the outer diameter of the connecting rod (31), wherein the perforated cover plate (323) is provided with a plurality of air holes (324). 6. Een inrichting voor het realiseren van een simulatie in fysieke modeltest van een belasting van een grondvoertuig volgens conclusie 4 of 5, met het kenmerk dat: de huls (32) integraal is gevormd met het onderste retarder (321) en onderste deel van het verbindingsuiteinde (325).An apparatus for realizing a simulation in physical model test of a load of a ground vehicle according to claim 4 or 5, characterized in that : the sleeve (32) is integrally formed with the lower retarder (321) and lower part of the connection end (325). 7. Een inrichting voor het realiseren van een simulatie in fysieke modeltest van een belasting van een grondvoertuig volgens een van de conclusies 4-6, met het kenmerk dat: de twee uiteinden van dubbele Y-vormige structuur (312) uit de buurt van de verbindingsstang (31) draaibaar zijn verbonden met een verlengde pinrol (222), waarbij de ketting (22) een aantal einde-naar-einde kettingschakels (221) omvat, waarbij de dubbele Y-vormige structuur (312) is verbonden met kettingschakels (221) door middel van de verlengde pinrol (222).An apparatus for realizing a simulation in physical model test of a load on a ground vehicle according to any one of claims 4 to 6, characterized in that : the two ends of double Y-shaped structure (312) away from the connecting rod (31) pivotally connected to an elongated pin roller (222), the chain (22) comprising a plurality of end-to-end chain links (221), wherein the double Y-shaped structure (312) is connected with chain links (221 ) through the extended pin roller (222). 8. Een inrichting voor het realiseren van een simulatie in fysieke modeltest van een belasting van een grondvoertuig volgens een van de conclusies 4-7, met het kenmerk dat: de wiel simuleringsinrichting (34) omvat een derde verbindingsas (342) draaibaar verbonden met het onderste verbindingsuiteinde (325), waarbij een derde sleutelstructuur (343) axiaal indringt op de derde verbindingsas (342}, waarbij de zijwand van de derde verbindingsas (342) is voorzien van derde gaten (344), waarbij de derde gaten (344) zijn voorzien van bijpassende derde bout (345), waarbij het middelste deel van de derde verbindingsas (342) is bevestigd aan het onderste deel van het verbindingsuiteinde (325) door de derde gaten (344) en derde bout (345), waarbij de twee uiteinden van de derde verbindingsas (342) respectievelijk draaibaar zijn verbonden met het enkele wiel (341) door middel van lagers. waarbij het lager van het enkele wiel (341) is verbonden met de derde verbindingsas (342) door middel van de derde gaten (344) en de derde bout (345).An apparatus for realizing a simulation in physical model test of a load on a ground vehicle according to any one of claims 4 to 7, characterized in that : the wheel simulation device (34) comprises a third connecting shaft (342) pivotally connected to the lower connection end (325), wherein a third key structure (343) axially penetrates the third connection shaft (342}, wherein the side wall of the third connection shaft (342) is provided with third holes (344), the third holes (344) being provided with mating third bolt (345), the middle part of the third connecting shaft (342) being attached to the lower part of the connecting end (325) by the third holes (344) and third bolt (345), the two ends of the third connecting shaft (342) being rotatably connected to the single wheel (341) by means of bearings, the bearing of the single wheel (341) being connected to the third connecting shaft (342) by means of the the holes (344) and the third bolt (345). 9. Een inrichting voor het realiseren van een simulatie in fysieke modeltest van een belasting van een grondvoertuig volgens een van de conclusies 4-8, met het kenmerk dat: het gewichtsinstelgedeelte verschillende gewichten (33) omvat, die zijn omgeslagen aan de buitenkant van de huls (32).An apparatus for realizing a simulation in physical model test of a load of a ground vehicle according to any one of claims 4 to 8, characterized in that : the weight adjusting portion comprises different weights (33) turned over on the outside of the sleeve (32).
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