CN118090247B - Collision test equipment for automatic driving vehicle test - Google Patents
Collision test equipment for automatic driving vehicle test Download PDFInfo
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- CN118090247B CN118090247B CN202410508434.6A CN202410508434A CN118090247B CN 118090247 B CN118090247 B CN 118090247B CN 202410508434 A CN202410508434 A CN 202410508434A CN 118090247 B CN118090247 B CN 118090247B
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- 238000012360 testing method Methods 0.000 title claims abstract description 120
- 238000000034 method Methods 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 230000002829 reductive effect Effects 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 6
- 239000000969 carrier Substances 0.000 description 5
- 238000009863 impact test Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
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- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
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Abstract
The present invention provides a collision test apparatus for automatically driving a vehicle, comprising: the device comprises a carrier, an impact frame, columnar impact equipment and two carrier; the two bearing frames are arranged at intervals and are used for bearing the impact frame; the bearing frame comprises horizontal moving equipment, lifting equipment and bearing plates, wherein the horizontal moving equipment is installed on a test site, the lifting equipment is installed at the output end of the horizontal moving equipment, the bearing plates are installed at the output end of the lifting equipment, and two sides of the bearing frame are correspondingly arranged on the two bearing plates. The collision test equipment for the automatic driving vehicle test can drive the vehicle to perform columnar collision test by utilizing one bearing vehicle, and can perform collision test on the vehicle to be tested by assembling with the collision frame, so that columnar collision test and collision test on the vehicle to be tested can be completed by utilizing one set of driving system, and the use of one set of driving system is reduced.
Description
Technical Field
The invention relates to the field of vehicle testing equipment, in particular to collision testing equipment for testing an automatic driving vehicle.
Background
The automatic driving automobile is an intelligent automobile which realizes unmanned driving through a computer system, the safety of the automobile is an important index of the automobile, particularly, when the automobile is impacted or impacted, whether a driver and an occupant can be effectively protected, so that the automobile is required to be detected through an impact test and the like after being produced, traffic accidents can exist as the automatic driving automobile, and the impact test is also required.
The collision tests in the prior art comprise a front collision test, a side collision test, a rear collision test, a columnar collision test and the like, wherein the side collision test and the rear collision test comprise the step of using a collision vehicle to collide with the side surface and the tail of a vehicle to be tested at a preset speed, the collision vehicle comprises a wheel module and a collision module, the wheel module is used for driving the collision module to move, the collision module generally comprises a collision frame and a collision part, the collision part is arranged at the front end of the collision frame and acts with the vehicle to be tested during the test; the columnar collision test is carried out, so that the vehicle to be tested runs on a moving platform, and the moving platform moves towards the test column at a preset speed, so that the side surface of the vehicle to be tested impacts the test column;
at present, the collision car and the moving platform are two sets of different devices, two sets of driving systems are needed, and two testing devices cannot be combined, so that one set of driving system is reduced, and the cost is reduced.
Accordingly, there is a need to provide a collision test apparatus for automated driving vehicle testing that solves the above-described technical problems.
Disclosure of Invention
The invention provides collision test equipment for testing an automatic driving vehicle, which solves the problems that the existing collision vehicle and moving platform are two sets of different equipment, and the two test equipment cannot be combined for use, so that one set of driving system is reduced, and the cost is reduced.
In order to solve the above technical problems, the present invention provides a collision test apparatus for testing an autonomous vehicle, comprising: the device comprises a carrier, an impact frame, columnar impact equipment and two carrier;
The two bearing frames are arranged at intervals and are used for bearing the impact frame;
The bearing frame comprises horizontal moving equipment, lifting equipment and bearing plates, wherein the horizontal moving equipment is arranged on a test site, the lifting equipment is arranged at the output end of the horizontal moving equipment, the bearing plates are arranged at the output end of the lifting equipment, and two sides of the bearing frame are correspondingly arranged on the two bearing plates and are suspended on the test site;
the columnar impact device is mounted on the test site;
When columnar collision is carried out, the bearing vehicle bears the vehicle to be tested to move towards the columnar collision equipment at a preset speed, and the side surface of the vehicle to be tested collides with the columnar collision equipment;
When the collision test is carried out, the carrier vehicle runs below the collision frame and is assembled with the collision frame through the assembly part, and the carrier vehicle drives the collision frame to move towards the vehicle to be tested at a preset speed and collides with the vehicle to be tested.
Preferably, the impact frame comprises an impact body, a mounting sleeve and two mounting flanks, wherein the two mounting flanks are mounted on two sides of the impact body, and the mounting sleeve is mounted on the mounting flanks.
Preferably, the number of assembly parts is two, when the carrier vehicle and the impact frame are assembled, the two assembly parts are arranged in one-to-one correspondence with the two mounting flanks, the assembly parts comprise a supporting plate, an assembly column and a threaded shaft, one end of the assembly column is mounted on the supporting plate, the threaded shaft is mounted at the other end of the assembly column, the carrier vehicle is provided with an assembly hole, the mounting sleeve comprises a positioning cylinder and a nut, one end of the positioning cylinder is mounted on the mounting flanks, and the nut is mounted at the other end of the positioning cylinder.
Preferably, the assembly further comprises a driving shaft, the driving shaft is mounted at the bottom end of the assembly column, the driving shaft penetrates through the supporting plate through a mounting hole, the diameter of the assembly column is larger than the aperture of the mounting hole, the collision test device for testing the automatic driving vehicle further comprises a lifting mechanism and a plurality of rotating devices, the lifting mechanism is mounted in the carrier, the supporting plate is mounted at the output end of the lifting mechanism, and one rotating device is used for driving the driving shaft in the corresponding assembly to rotate.
Preferably, the lifting mechanism comprises a telescopic cylinder, a connecting plate and an L-shaped plate, the telescopic cylinder is mounted on the carrier, the connecting plate is connected with the supporting plates in the two assembly parts, and the output end of the telescopic cylinder is connected with the connecting plate through the L-shaped plate;
the rotating device comprises a driving gear, and the driving gear is arranged on the driving shaft;
The collision test equipment for the automatic driving vehicle test further comprises two toothed plates, wherein the two toothed plates are installed on the test site at intervals, and when the lifting mechanism lifts the assembly part, the toothed plates are meshed with the driving gear when the threaded shaft is abutted with the nut.
Preferably, the support plate, the assembly column, the driving shaft and the threaded shaft in one assembly part are correspondingly provided with a plurality of support plates, adjacent support plates are connected through connecting rods, each driving shaft is provided with a driving gear, the rotating device further comprises a driving plate, the driving plate is provided with a plurality of tooth surfaces, the tooth surfaces are correspondingly meshed with the plurality of driving gears, and the driving plate is sleeved on the connecting rods through sliding arms; a plurality of mounting sleeves are arranged on one of the mounting flanks.
Preferably, the horizontal movement device comprises a bottom plate, a sliding vehicle, a mounting plate, a first screw rod, a thread bush and a first rotating device, wherein the bottom plate is mounted on the test site, the sliding vehicle is arranged on the bottom plate in a sliding mode, the mounting plate is mounted on the bottom plate, the first screw rod is rotatably mounted on the mounting plate, the thread bush is in threaded connection with the first screw rod and is connected with the sliding vehicle, and the first rotating device is used for driving the first screw rod to rotate.
Preferably, the lifting device comprises a second rotating device, a transmission part, a plurality of second screw rods and a plurality of screw thread cylinders, the second screw rods are installed on the sliding trolley at intervals in a rotating mode, one screw thread cylinder is correspondingly connected with one second screw rod in a threaded mode, two adjacent second screw rods are connected with each other in a transmission mode through the transmission part, the bearing plate is installed at the top ends of the screw thread cylinders, and the second rotating device is used for driving the second screw rods to rotate.
Preferably, the first rotating device is a first driving gear, the first driving gear is installed on the first screw rod, the second rotating device is a second driving gear, and the second driving gear is installed on the second screw rod; the collision test equipment for testing the automatic driving vehicle further comprises a stop lever and two driving devices, wherein the driving devices comprise a driving plate, a front tooth surface, an upper tooth surface and a connecting piece, one driving plate is correspondingly connected with the supporting plate in one assembly part through the connecting piece, the front tooth surface is arranged on one side, far away from the bearing vehicle, of the driving plate, the upper tooth surface is arranged on the top of the driving plate, and the stop lever is arranged between the two bearing frames;
in the process that the carrier moves below the impact frame, the front tooth surface drives the second driving gear to rotate, and the upper tooth surface is positioned below the first driving gear and is spaced;
When the lifting mechanism lifts the assembly part to enable the threaded shaft to be in abutting connection with the nut, the connecting piece drives the driving plate to move upwards, the upper tooth surface is meshed with the first driving gear, and an extension line of the bottom end of the front tooth surface is provided with an overlapping portion with the second driving gear.
Preferably, the connecting piece includes linking arm, slide bar and end cap, the one end of linking arm with the drive plate is connected, and the other end runs through the bar hole the carrier and extends to the below of backup pad, the bottom of slide bar runs through behind the backup pad in the linking arm is connected, the end cap is installed the top of slide bar.
Compared with the related art, the collision test device for the automatic driving vehicle test has the following beneficial effects:
The invention provides collision test equipment for automatically driving a vehicle to test, which is used for enabling a vehicle to be tested to travel onto a carrier vehicle with the side face towards the columnar collision equipment during columnar collision, enabling the carrier vehicle to travel towards the columnar collision equipment at a preset speed, enabling the side face of the vehicle to be tested to collide with the columnar collision equipment, and testing the collision resistance of the vehicle to be tested and the safety protection effect on a driver;
When a tested car is subjected to collision test, such as the side or tail of the tested car, firstly the car is driven to the lower part of the collision frame, the lifting equipment descends the bearing plate to enable the collision frame to fall on the car, then the collision frame is installed on the car through the assembly, the horizontal moving equipment drives the corresponding lifting equipment to move in the direction away from the bearing frame, the lifting equipment drives the bearing plate to be separated from the collision frame, the car can drive the collision frame to move to a position to be tested, and during the test, the collision frame is driven to collide with the side or tail of the car to be tested at a preset speed, so that the collision test of the side and tail of the car to be tested is completed;
The columnar collision test can be carried out by utilizing one bearing vehicle, the columnar collision test can be carried out by utilizing the bearing vehicle, the columnar collision test can be carried out on the vehicle to be tested by assembling the bearing vehicle and the impact frame, and therefore, the columnar collision test and the impact test on the vehicle to be tested can be completed by utilizing one set of driving system, and the use of one set of driving system is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a crash test apparatus for testing an autonomous vehicle according to the present invention, wherein fig. 1 (a) in fig. 1 is a schematic structural diagram of a columnar crash test, and fig. 1 (b) in fig. 1 is a schematic structural diagram of a crash test performed during an impact test;
FIG. 2 is a schematic view of the structure of the carrier shown in FIG. 1;
FIG. 3 is a schematic view of the carrier and strike assembly of FIG. 1;
FIG. 4 is a bottom view of the vehicle of FIG. 1;
FIG. 5 is an enlarged schematic view of portion A shown in FIG. 4;
FIG. 6 is a partial cross-sectional view of the vehicle shown in FIG. 4;
FIG. 7 is a cross-sectional view of the mounting sleeve shown in FIG. 3;
FIG. 8 is a schematic distribution of two toothed plates;
Fig. 9 is a schematic view of a principle state of assembling the assembly part and the mounting sleeve according to the present invention, wherein fig. 9 (a) in fig. 9 is a schematic view of aligning the assembly hole with the mounting sleeve, fig. 9 (b) in fig. 9 is a schematic view of inserting the assembly post into the positioning cylinder and abutting the threaded shaft with the nut, and fig. 9 (c) in fig. 9 is a schematic view of threaded connection of the threaded shaft with the nut;
FIG. 10 is a schematic view showing a state that a vehicle moves below an impact frame, wherein FIG. 10 (a) in FIG. 10 is a schematic view that the vehicle moves below the impact frame, FIG. 10 (b) in FIG. 10 is a schematic view that a front tooth surface and a second driving gear act to drive a bearing plate 23 to descend so that the impact frame falls on the vehicle, and FIG. 10 (c) in FIG. 10 is a schematic view that the vehicle continues to move so that a mounting hole is aligned with a mounting sleeve;
Fig. 11 is an enlarged schematic view of the portion B in fig. 10 (c);
fig. 12 is a schematic view of a supporting plate driving a driving plate to lift up through a connecting piece, wherein fig. 12 (a) in fig. 12 is a schematic view of the driving plate separated from a first driving gear, and fig. 12 (b) in fig. 12 is a schematic view of the driving plate lifting up and engaging with the first driving gear.
Reference numerals in the drawings:
1. a carrier vehicle; 101. a fitting hole; 102. a protective sleeve; 103. positioning a shaft; 104. a bar-shaped hole;
2. a carrier; 21. a horizontal movement device; 22. lifting equipment; 23. a carrying plate;
211. A bottom plate; 212. a slide car; 213. a mounting plate; 214. a first screw rod; 215. a thread sleeve; 216. a first rotating device;
221. a second screw rod; 222. a thread cylinder; 223. a second rotating device; 224. a transmission member; 225. a limit rod;
3. a strike frame; 31. striking the body; 32. mounting a side wing; 33. a mounting sleeve; 34. an auxiliary wheel;
321. a rolling member; 331. a positioning cylinder; 332. a screw cap;
4. A stop lever;
5. A fitting; 51. a support plate; 52. assembling a column; 53. a drive shaft; 54. a connecting rod; 55. a threaded shaft; 511. a mounting hole;
6. A lifting mechanism; 61. a telescopic cylinder; 62. a connecting plate; 63. an L-shaped plate;
7. a rotating device; 71. driving a gear; 72. a driving plate; 73. a sliding arm;
8. A driving device; 81. a driving plate; 82. a front tooth surface; 83. an upper tooth surface; 84. a connecting piece;
841. A connecting arm; 842. a slide bar; 843. an end cap;
9. A toothed plate;
10. A columnar percussion device; 20. and (5) testing the vehicle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a collision test apparatus for automatic driving vehicle test.
Referring to fig. 1 to 2 in combination, in an embodiment of the present invention, the crash test apparatus for testing an autonomous vehicle includes: a vehicle 1, an impact frame 3, a column-like impact device 10 and two carriers 2;
the two bearing frames 2 are arranged at intervals and are used for bearing the impact frame 3;
the bearing frame 2 comprises horizontal moving equipment 21, lifting equipment 22 and bearing plates 23, wherein the horizontal moving equipment 21 is arranged on a test site, the lifting equipment 22 is arranged at the output end of the horizontal moving equipment 21, the bearing plates 23 are arranged at the output end of the lifting equipment 22, and two sides of the bearing frame 2 are correspondingly arranged on the two bearing plates 23 and are suspended on the test site;
The columnar striking device 10 is mounted on the test site;
When a column collision is performed, the carrier vehicle 1 carries the vehicle 20 to be tested, moves towards the column collision device 10 at a preset speed, and enables the side surface of the vehicle 20 to be tested to collide with the column collision device 10;
When an impacted test is performed, the carrier vehicle 1 runs below the impact frame 3 and is assembled with the impact frame 3 through the assembly part 5, and the carrier vehicle 1 drives the impact frame 3 to move towards the vehicle 20 to be tested at a preset speed and impacts the vehicle 20 to be tested.
During testing, the impact frame 3, the carrier vehicle 1 and the columnar impact device 10 which are positioned on the carrier frame 2 are positioned on the same straight line, wherein an imitation human is arranged in the vehicle 20 to be tested, and the impact condition of a driver during collision is simulated.
Referring to fig. 1 (a) of fig. 1, in a column collision, a vehicle 20 to be tested is driven onto a vehicle 1 with a side face facing a column collision device 10, then the vehicle 1 is driven toward the column collision device 10 at a preset speed, the side face of the vehicle 20 to be tested collides with the column collision device 10, and the collision resistance and the safety protection effect on a driver of the vehicle 20 to be tested are tested;
Referring to fig. 1 (b) in fig. 1, when a to-be-tested vehicle 20 is subjected to a collision test, such as a side or a tail of the to-be-tested vehicle 20 is subjected to a collision test, firstly, the vehicle 1 runs below the collision frame 3, the lifting device 22 descends the bearing plate 23 to enable the collision frame 3 to fall on the vehicle 1, then the collision frame 3 is mounted on the vehicle 1 through the assembly 5, the horizontal moving device 21 drives the corresponding lifting device 22 to move in a direction away from the bearing frame 2, the lifting device 22 drives the bearing plate 23 to be separated from the collision frame 3, the vehicle 1 can drive the collision frame 3 to move to a to-be-tested position, and during the test, the collision frame 3 is driven to collide with the side or the tail of the to-be-tested vehicle 20 at a preset speed to complete the collision test of the side or the tail of the to-be-tested vehicle 20;
Namely, the columnar collision test of the vehicle can be realized by utilizing one carrier vehicle 1, the collision test of the vehicle 20 to be tested can be realized by assembling the carrier vehicle and the collision frame 3, so that the columnar collision test and the collision test of the vehicle 20 to be tested can be completed by utilizing one set of driving system, and the use of one set of driving system is reduced.
The columnar impact equipment 10 comprises an installation frame and an impact column, wherein the installation frame is installed on a test site, the impact column is installed on the installation frame, the bottom end of the impact column is arranged in a suspended mode, and the ground clearance is larger than the height of the top surface of the carrier 1, so that the collision between the carrier 1 and the impact column is avoided;
The bearing vehicle 1 comprises a wheel driving system and a bearing platform, the bearing platform is arranged on the vehicle driving system, the wheel driving system comprises a driving wheel and a driven wheel, the driving wheel drives the wheel to run by using a motor as driving force, a control module is arranged, the control module is in signal connection with a background operation module, and an operator can give corresponding instructions to the control module through the background operation module.
Referring to fig. 3, in particular, the impact frame 3 includes an impact body 31, a mounting sleeve 33, and two mounting wings 32, the two mounting wings 32 are mounted on both sides of the impact body 31, and the mounting sleeve 33 is mounted on the mounting wings 32.
Wherein, the impact frame 3 is placed on two bearing plates 23 through the mounting flanks 32 on both sides, when being mounted with the vehicle 1, the impact frame 3 falls on the vehicle 1, and the mounting sleeves 33 on the mounting flanks 32 are matched with the assembly parts 5 to mount and fix the mounting flanks 32 and the vehicle 1.
Preferably, an auxiliary wheel 34 is mounted on the end of the impact body 31 remote from the impact portion, and the rear portion of the impact body 31 is supported by the auxiliary wheel 34 to follow movement when the impact frame 3 is assembled with the vehicle 1, thereby assisting in supporting the impact body 31.
Referring to fig. 4, 6 and 7, when the number of the assemblies 5 is two, the two assemblies 5 are arranged in one-to-one correspondence with the two mounting wings 32 when the vehicle 1 and the impact frame 3 are assembled, the assemblies 5 comprise a supporting plate 51, an assembling column 52 and a threaded shaft 55, one end of the assembling column 52 is mounted on the supporting plate 51, the threaded shaft 55 is mounted on the other end of the assembling column 52, the vehicle 1 is provided with an assembling hole 101, the mounting sleeve 33 comprises a positioning cylinder 331 and a nut 332, one end of the positioning cylinder 331 is mounted on the mounting wing 32, and the nut 332 is mounted on the other end of the positioning cylinder 331.
Wherein the diameter of the mounting post 52 is the same as the diameter of the inner cavity of the positioning cylinder 331, and the diameter of the threaded shaft 55 is smaller than the mounting post 52.
The carrier 1 runs below the impact frame 3, the lifting device 22 descends the bearing plate 23 to enable the impact frame 3 to fall on the carrier 1, the positioning cylinder 331 on the mounting flank 32 is aligned with the mounting hole 101 on the carrier 1, as shown in fig. 9 (a), the mounting column 52 and the threaded shaft 55 penetrate through the mounting hole 101 and are inserted into the positioning cylinder 331, when the threaded shaft 55 abuts against the nut 332, as shown in fig. 9 (b), the mounting column 52 is rotated to enable the threaded shaft 55 to be in threaded connection with the nut 332, as shown in fig. 9 (c), by arranging the mounting column 52 and the positioning cylinder 331, when the impact frame 3 collides with the vehicle 20 to be tested, the mounting column 52 and the positioning cylinder 331 bear reverse acting forces, the acting forces exerted by the threaded shaft 55 and the nut 332 are greatly reduced, the service lives of the threaded shaft 55 and the nut 332 are prolonged, and the stability of the impact frame 3 and the carrier 1 are improved.
Wherein, the bottom of the positioning cylinder 331 runs through and is fixed on the mounting flank 32, and the bottom of the positioning cylinder 331 is flush with the bottom of the mounting flank 32, the inner corresponding assembly hole 101 of the carrier 1 is provided with a protecting sleeve 102, and the connection stability of the assembly column 52 and the carrier 1 is enhanced.
Referring to fig. 4 and 5, the assembly 5 further includes a driving shaft 53, the driving shaft 53 is mounted at the bottom end of the assembly post 52, the driving shaft 53 penetrates the supporting plate 51 through the mounting hole 511, the diameter of the assembly post 52 is larger than the aperture of the mounting hole 511, the crash test apparatus for testing an automatic driving vehicle further includes a lifting mechanism 6 and a plurality of rotating devices 7, the lifting mechanism 6 is mounted inside the carrier 1, the supporting plate 51 is mounted at the output end of the lifting mechanism 6, and one rotating device 7 is used for driving the driving shaft 53 in the corresponding assembly 5 to rotate.
Through setting up lifting mechanism 6, when striking frame 3 falls on the carrier 1, and the installation cover 33 on the installation flank 32 corresponds the back with the pilot hole 101 on the carrier 1, lifting mechanism 6 lifting backup pad 51 drives the assembly post 52 and lifts, and assembly post 52 drives screw thread axle 55 and inserts into the positioning tube 331 after passing pilot hole 101, screw thread axle 55 and nut 332 butt, and rotary device 7 drives assembly post 52 rotation this moment to drive screw thread axle 55 rotation and nut 332 threaded connection, realize the assembly of striking frame 3 and carrier 1 voluntarily.
In an embodiment, the lifting mechanism 6 is an air cylinder, a hydraulic cylinder or an electric push cylinder, and one lifting mechanism 6 is provided corresponding to each support plate 51.
The rotating device 7 is a rotating motor, the rotating motor is arranged on the supporting plate 51, the output end of the rotating motor is connected with the assembling column 52 in a plugging manner through a square shaft, and when the assembling column 52 is driven to move upwards by the threaded shaft 55 and the nut 332 in a threaded connection manner, the assembling column 52 can be always connected with the output shaft of the rotating motor, and the assembling column 52 is connected with the supporting plate 51 in a rotating manner.
Referring to fig. 4, 5 and 8, in another embodiment, the lifting mechanism 6 includes a telescopic cylinder 61, a connecting plate 62 and an L-shaped plate 63, the telescopic cylinder 61 is mounted on the vehicle 1, the connecting plate 62 connects the support plates 51 in the two assemblies 5, and the output end of the telescopic cylinder 61 is connected with the connecting plate 62 through the L-shaped plate 63;
the rotating device 7 comprises a driving gear 71, and the driving gear 71 is arranged on the driving shaft 53;
The collision test apparatus for testing an autonomous vehicle further includes two toothed plates 9, the toothed plates 9 being mounted at intervals on the test site, and the toothed plates 9 being engaged with the driving gear 71 when the lifting mechanism 6 lifts the fitting 5 so that the screw shaft 55 abuts against the nut 332.
Referring to fig. 9 (a) of fig. 9, and referring to fig. 3 to 5, when the vehicle 1 travels under the impact frame 3, the lifting device 22 lowers the carrier plate 23 to make the impact frame 3 fall on the vehicle 1, the mounting flanks 32 in the impact frame 3 align with the mounting holes 101 on the vehicle 1, and the toothed plate 9 is located above the driving gear 71, and the toothed plate 9 is not in contact with the driving gear 71, so that the toothed plate 9 will not act with the driving gear 71 during the process of the vehicle 1 entering under the impact frame 3;
The telescopic cylinder 61 lifts the connecting plate 62 through the L-shaped plate 63, the connecting plate 62 drives the supporting plates 51 on two sides to lift, the supporting plates 51 lift the assembly columns 52, the assembly columns 52 drive the threaded shafts 55 to pass through the assembly holes 101 and enter the positioning cylinder 331, the threaded shafts 55 are abutted with the nuts 332, meanwhile, the assembly columns 52 drive the driving shafts 53 to move upwards, the gears 71 are driven to move upwards along with the driving shafts 53, and the gears 71 are driven to be meshed with the toothed plates 9, as shown in fig. 9 (b);
Referring to fig. 9 (c) of fig. 9, and referring to fig. 3 to 5, when the vehicle 1 drives the impact frame 3 to move out of the space between the two frames 2, the toothed plate 9 drives the driving gear 71 to rotate, and the driving gear 71 drives the assembly post 52 to rotate through the driving shaft 53, so as to drive the threaded shaft 55 to rotate and be in threaded connection with the nut 332, thereby completing assembly without setting a driving device.
Wherein, the screw shaft 55 is in threaded connection with the nut 332 to drive the assembly column 52 to move upwards, so that the driving shaft 53 lifts the driving gear 71, but when the screw shaft 55 is in threaded connection with the nut 332, the top extension line of the toothed plate 9 is still coincident with the driving gear 71;
When the carrier 1 is subsequently detached from the impact frame 3, the gear 71 is driven to act with the toothed plate 9 again when the carrier 1 moves between the two carrier frames 2, the driving shaft 53 is driven to rotate reversely, the threaded shaft 55 is driven to rotate reversely through the assembly column 52 to be separated from the nut 332, then the lifting mechanism 6 descends the supporting plate 51, the assembly column 52 and the threaded shaft 55 are driven to move out of the positioning cylinder 331, and at the moment, the gear 71 is driven to descend to be located below the toothed plate 9 again to be separated from the toothed plate 9, and when the carrier 1 moves out to perform columnar impact test, the gear 71 is driven to not act with the toothed plate 9.
The telescopic cylinder 61 is a cylinder or a hydraulic cylinder or an electric push cylinder and is mounted on the top of the inner wall of the vehicle 1.
The preferred L-shaped plate 63 is provided with a sliding hole, and the output shaft of the telescopic cylinder 61 penetrates through the sliding hole and then is connected with a driving cap, and the telescopic cylinder 61 lifts the driving cap to drive the L-shaped plate 63 to lift. The telescopic cylinder 61 and the L-shaped plate 63 can slide relatively, and after the carrier vehicle 1 drives the impact frame 3 to impact, the produced reaction force can not directly act on the output shaft of the telescopic cylinder 61.
Referring to fig. 5 and 6, preferably, the support plate 51, the assembly post 52, the driving shaft 53 and the threaded shaft 55 in one assembly 5 are correspondingly provided with a plurality of support plates 51, adjacent support plates 51 are connected through a connecting rod 54, each driving shaft 53 is provided with a driving gear 71, the rotating device 7 further comprises a driving plate 72, the driving plate 72 is provided with a plurality of tooth surfaces, the tooth surfaces are correspondingly meshed with the plurality of driving gears 71, and the driving plate 72 is sleeved on the connecting rod 54 through a sliding arm 73; one of the mounting wings 32 has a plurality of mounting sleeves 33 disposed thereon.
By arranging a plurality of assembling posts 52 and threaded shafts 55 and matching a plurality of mounting sleeves 33, one mounting flank 32 can be mounted and fixed at a plurality of positions, so that the mounting stability is improved;
In the process of installing the impact frame 3 and the carrier 1, the toothed plate 9 and the driving plate 72 are respectively meshed with two sides of the driving gear 71, when the toothed plate 9 drives one driving gear 71 to rotate, the tooth surfaces on the driving gear 71 and the driving plate 72 act to drive the driving plate 72 to move, and other tooth surfaces on the driving plate 72 correspondingly drive other driving gears 71 to rotate, so that a plurality of driving shafts 53 can be simultaneously driven to rotate, and a plurality of threaded shafts 55 are in threaded connection with corresponding nuts 332.
Wherein, the number of the mounting posts 52, the support plates 51, the mounting posts 52, the driving shafts 53 and the threaded shafts 55 in one mounting member 5 is not less than two, three in the present embodiment, and the number of the mounting sleeves 33 on the mounting flanks 32 is correspondingly set.
Referring to fig. 2 again, the horizontal moving apparatus 21 includes a base plate 211, a sliding carriage 212, a mounting plate 213, a first screw rod 214, a threaded sleeve 215, and a first rotating device 216, where the base plate 211 is mounted on the test site, the sliding carriage 212 is slidably disposed on the base plate 211, the mounting plate 213 is mounted on the base plate 211, the first screw rod 214 is rotatably mounted on the mounting plate 213, the threaded sleeve 215 is screwed on the first screw rod 214 and connected with the sliding carriage 212, and the first rotating device 216 is used for driving the first screw rod 214 to rotate.
When the distance between the bearing plates 23 in the two bearing frames 2 needs to be adjusted, the first rotating device 216 drives the first screw rod 214 to rotate clockwise or anticlockwise, the two first screw rods 214 drive the two threaded sleeves 215 to move towards the opposite side or move away from the side, the threaded sleeves 215 drive the sliding trolley 212 to move along, and the sliding trolley 212 drives the two bearing plates 23 to fold or open through the lifting device 22.
The bottom of the slide car 212 is provided with a pulley, the bottom plate 211 is provided with a slide rail, and the pulley slides into the slide rail.
Referring to fig. 2 again, the lifting device 22 includes a second rotating device 223, a transmission member 224, a plurality of second screw rods 221 and a plurality of screw cylinders 222, wherein a plurality of second screw rods 221 are rotatably mounted on the sliding vehicle 212 at intervals, one screw cylinder 222 is correspondingly connected to one second screw rod 221 in a threaded manner, two adjacent second screw rods 221 are in transmission connection through the transmission member 224, the bearing plate 23 is mounted at the top ends of the plurality of screw cylinders 222, and the second rotating device 223 is used for driving the second screw rods 221 to rotate.
When the height of the bearing plate 23 needs to be adjusted, the second rotating device 223 drives the second screw rod 221 to rotate clockwise or anticlockwise, so as to drive the threaded cylinder 222 to ascend or descend, and the threaded cylinder 222 drives the bearing plate 23 to ascend or descend.
By providing a plurality of second screw rods 221 and screw barrels 222 to simultaneously support and lift a plurality of positions of the bearing plate 23, stability in lifting the bearing plate 23 is improved.
The number of the second screw rod 221 and the screw cylinder 222 is not less than two, in this embodiment, two, and the transmission member 224 may be a transmission mechanism such as a gear tooth belt or a belt pulley belt.
The lifting device 22 further comprises a limiting rod 225, the limiting rod 225 is fixed on the sliding vehicle 212, and the top end of the limiting rod 225 penetrates through the bearing plate 23 to limit the bearing plate 23 in the horizontal direction.
In an embodiment, the first rotating device 216 and the second rotating device 223 are motors, and are correspondingly installed on the mounting plate 213 and the sliding vehicle 212, and are respectively connected with the first screw rod 214 and the second screw rod 221.
Referring to fig. 2 and 4, in another embodiment, the first rotating device 216 is a first driving gear, the first driving gear is mounted on the first screw 214, the second rotating device 223 is a second driving gear, and the second driving gear is mounted on the second screw 221;
The collision test device for automatic driving vehicle test further comprises a stop lever 4 and two driving devices 8, wherein the driving devices 8 comprise a driving plate 81, a front tooth surface 82, an upper tooth surface 83 and a connecting piece 84, one driving plate 81 is correspondingly connected with the supporting plate 51 in one assembly part 5 through the connecting piece 84, the front tooth surface 82 is arranged on one side of the driving plate 81 away from the carrier 1, the upper tooth surface is arranged on the top of the driving plate 81, and the stop lever 4 is arranged between the two carrier frames 2;
During the process that the carrier 1 moves below the impact frame 3, the front tooth surface 82 drives the second driving gear to rotate, and the upper tooth surface 83 is located below the first driving gear and is spaced;
When the lifting mechanism 6 lifts the assembly 5 to enable the threaded shaft 55 to abut against the nut 332, the connecting piece 84 drives the driving plate 81 to move upwards, the upper tooth surface 83 is meshed with the first driving gear, and an extension line of the bottom end of the front tooth surface 82 has an overlapping portion with the second driving gear.
When the impact frame 3 is positioned on the bearing frame 2, one end of the impact frame, which is far away from the impact part, is abutted with the stop lever 4 to limit the impact frame 3.
Referring to fig. 10 (a) in fig. 10 and fig. 10 (b) in fig. 10, when the vehicle 1 runs below the impact frame 3, the front tooth surface 82 of the driving plate 81 acts on the second driving gear to drive the second screw rod 221 to rotate, the threaded cylinder 222 moves down along the surface of the second screw rod 221, the carrier plate 23 descends, the impact frame 3 falls on the vehicle 1, and the mounting sleeve 33 on the mounting flank 32 is not aligned with the mounting hole 101;
Referring to fig. 10 (c) of fig. 10, the vehicle 1 continues to move toward the stop lever 4, and the stop lever 4 limits the impact frame 3, so that the vehicle 1 moves to align the assembly hole 101 with the mounting sleeve 33;
In this process, the upper tooth surface 83 is located below the first driving gear, as shown in fig. 11, and does not drive the first driving gear to rotate, i.e. does not drive the first screw 214 to rotate;
Referring to fig. 12 in combination, when the lifting mechanism 6 lifts the assembly 5, the assembly column 52 is inserted into the positioning cylinder 331 and the threaded shaft 55 abuts against the nut 332, at this time, the supporting plate 51 drives the driving plate 81 to move upwards through the connecting piece 84, at this time, the upper tooth surface 83 is meshed with the first driving gear, and the extension line of the bottom end of the front tooth surface 82 has an overlapping portion with the second driving gear;
when the carrier 1 drives the impact frame 3 to move out of the two carrier 2, the upper tooth surface 83 acts on the first driving gear to drive the first screw rod 214 to rotate anticlockwise, the threaded sleeve 215 drives the sliding vehicle 212 to move along the first screw rod 214, the sliding vehicle 212 drives the carrier plate 23 to move towards the side far away from the impact frame 3 through the lifting device 22, and the carrier plate 23 is separated from the mounting flank 32;
then the front tooth surface 82 acts on the second driving gear to drive the second screw rod 221 to rotate, at the moment, the thread cylinder 222 moves upwards along the second screw rod 221, and the bearing plate 23 is lifted upwards;
When the subsequent carrier 1 is separated from the impact frame 3, in the process that the carrier 1 moves between the two carriers 2, the second driving gear acts with the front tooth surface 82 to drive the second screw rod 221 to rotate, the carrier plate 23 descends at the same time, then the first driving gear acts with the upper tooth surface 83 to drive the first screw rod 214 to reversely rotate, the two carrier plates 23 move towards the opposite sides again and are positioned below the mounting flank 32, in the process, the toothed plate 9 acts with the driving gear 71 to separate the threaded shaft 55 from the nut 332, the lifting mechanism 6 descends the assembly part5 again, the supporting plate 51 drives the driving plate 81 to descend through the connecting piece 84, at the moment, the upper tooth surface 83 is separated from the first driving gear again, in the process that the carrier 1 moves out between the two carriers 2, the front tooth surface 82 acts with the second driving gear to drive the second screw rod 221 to rotate, and the carrier plate 23 is driven to ascend at the same time, the impact frame 3 is lifted up, and the impact frame 3 and the carrier 1 are automatically detached.
Wherein the mounting flank 32 is zigzag-like, the bearing plate 23 bears the higher end of the mounting flank 32, and the mounting sleeve 33 is arranged on the lower side of the mounting flank 32.
The bottom of the impact frame 3 and the bottom of the mounting flanks 32 are preferably provided with rolling elements 321, which rolling elements 321 may be balls or rollers or the like, so as to reduce friction between the vehicle 1 and the impact frame 3 when they are displaced relative to each other.
The top of the vehicle 1 is provided with two positioning shafts 103, and when the positioning shafts 103 are abutted against the mounting flanks 32, the mounting sleeves 33 on the mounting flanks 32 are aligned with the mounting holes 101.
The carrying vehicle 1 is provided with a photoelectric sensor, a ranging sensor and the like, and is stopped after automatically moving to a preset installation position, and the photoelectric sensor, the ranging sensor and the control module are electrically connected.
Referring again to fig. 12, the connecting member 84 includes a connecting arm 841, a sliding rod 842, and an end cap 843, wherein one end of the connecting arm 841 is connected to the driving plate 81, the other end of the connecting arm penetrates the vehicle 1 through the bar-shaped hole 104 and extends below the supporting plate 51, the bottom end of the sliding rod 842 penetrates the supporting plate 51 and is connected to the connecting arm 841, and the end cap 843 is mounted on the top end of the sliding rod 842.
Through setting up slide bar 842 cooperation end cap 843, lift backup pad 51 drives assembly post 52 lift and inserts positioning tube 331 when lifting mechanism 6, and the in-process of screw thread axle 55 and nut 332 butt, backup pad 51 moves up along slide bar 842, then with the effect of end cap 843, lift end cap 843, end cap 843 drives slide bar 842 and lifts, slide bar 842 drives drive plate 81 through linking arm 841 and moves up, make upper tooth face 83 and the meshing of first drive gear 83, reduce the distance that drive plate 81 lifted, thereby reduce the width value of drive plate 81.
One or more connectors 84 may be provided, and when there are a plurality of connectors 84, a sliding rod 842 in each connector 84 is correspondingly connected to each supporting plate 51.
In the invention, a groove is formed at the position of a test site corresponding to the bearing frame 2, and a bottom plate 211 in the bearing frame 2 is arranged in the groove; when the vehicle 20 to be tested runs onto the carrier 1, a guide plate with an inclined surface can be arranged at one end of the carrier 1, and the vehicle 20 to be tested runs onto the carrier 1 along the guide plate.
The working principle of the collision test equipment for testing the automatic driving vehicle provided by the invention is as follows:
Referring to fig. 1 (a) of fig. 1, in a column collision, a vehicle 20 to be tested is driven onto a vehicle 1 with a side face facing a column collision device 10, then the vehicle 1 is driven toward the column collision device 10 at a preset speed, the side face of the vehicle 20 to be tested collides with the column collision device 10, and the collision resistance and the safety protection effect on a driver of the vehicle 20 to be tested are tested;
Referring to fig. 1 (b) of fig. 1, when a vehicle 20 to be tested is subjected to a collision test, such as a side surface or a tail portion of the vehicle 20 to be tested, firstly, the vehicle 1 runs below the collision frame 3, the lifting device 22 descends the bearing plate 23 to enable the collision frame 3 to fall on the vehicle 1, then the collision frame 3 is mounted on the vehicle 1 through the assembly 5, the horizontal moving device 21 drives the corresponding lifting device 22 to move in a direction away from the vehicle frame 2, the lifting device 22 drives the bearing plate 23 to be separated from the collision frame 3, the vehicle 1 can drive the collision frame 3 to move to a position to be tested, and during the test, the collision frame 3 is driven to collide with the side surface or the tail portion of the vehicle 20 to be tested at a preset speed to realize the collision test of the side surface and the tail portion of the vehicle 20 to be tested;
Referring to fig. 10 (a) in fig. 10 and fig. 10 (b) in fig. 10, and referring to fig. 3 to 5 in combination, when the vehicle 1 runs below the impact frame 3, the front tooth surface 82 of the driving plate 81 acts on the second driving gear to drive the second screw 221 to rotate, the screw barrel 222 moves downward along the surface of the second screw 221, the carrier plate 23 descends, the impact frame 3 falls on the vehicle 1, and the mounting sleeve 33 on the mounting flank 32 is not aligned with the mounting hole 101;
referring to fig. 10 (c) of fig. 10, and referring to fig. 3 to 5 in combination, the vehicle 1 continues to move toward the stop lever 4, and the stop lever 4 limits the impact frame 3, so that the vehicle 1 moves to align the assembly hole 101 with the mounting sleeve 33;
In this process, the upper tooth surface 83 is located below the first driving gear, as shown in fig. 11, and the first driving gear is not driven to rotate, i.e. the first screw rod 214 is not driven to rotate, and the toothed plate 9 is located above the driving gear 71, and the toothed plate 9 is not contacted with the driving gear 71;
When the lifting mechanism 6 lifts the assembly part 5, the supporting plate 51 lifts the assembly column 52, the assembly column 52 drives the threaded shaft 55 to pass through the assembly hole 101 and enter the positioning cylinder 331, the threaded shaft 55 is abutted with the nut 332, meanwhile, the assembly column 52 drives the driving shaft 53 to move upwards, the gear 71 is driven to move upwards along with the driving shaft 53, the gear 71 is driven to be meshed with the toothed plate 9, and the supporting plate 51 drives the driving plate 81 to move upwards through the connecting piece 84, at the moment, the upper tooth surface 83 is meshed with the first driving gear, and an extension line at the bottom end of the front tooth surface 82 is overlapped with the second driving gear;
Thus, when the carrier vehicle 1 drives the impact frame 3 to move out of the two carrier frames 2, the toothed plate 9 drives the driving gear 71 to rotate, the driving gear 71 drives the assembly column 52 to rotate through the driving shaft 53, and the threaded shaft 55 is driven to rotate and is in threaded connection with the nut 332, so that assembly is completed;
And the upper tooth surface 83 acts on the first driving gear firstly, so that the first screw rod 214 can be driven to rotate anticlockwise, the threaded sleeve 215 drives the sliding vehicle 212 to move along the first screw rod 214, the sliding vehicle 212 drives the bearing plate 23 to move towards the side far away from the impact frame 3 through the lifting device 22, and the bearing plate 23 is separated from the mounting flank 32;
then the front tooth surface 82 acts on the second driving gear to drive the second screw rod 221 to rotate, at the moment, the thread cylinder 222 moves upwards along the second screw rod 221, and the bearing plate 23 is lifted upwards;
When the subsequent carrier 1 is separated from the impact frame 3, the driving gear 71 is driven to act with the toothed plate 9 again, the driving shaft 53 is driven to reversely rotate, so that the screw shaft 55 is driven to reversely rotate through the assembly column 52 to realize separation from the nut 332, then the lifting mechanism 6 descends the supporting plate 51, the assembly column 52 and the screw shaft 55 are driven to move out of the positioning cylinder 331, and at the moment, the driving gear 71 is driven to descend and lie below the toothed plate 9 again to be separated from the toothed plate 9, and when the carrier 1 moves out to perform columnar collision test, the driving gear 71 cannot act with the toothed plate 9
In the process that the carrier 1 moves between the two carriers 2, the second driving gear acts on the front tooth surface 82 to drive the second screw rod 221 to rotate, and the carrier plate 23 descends at the same time, then the first driving gear acts on the upper tooth surface 83 to drive the first screw rod 214 to reversely rotate, and the two carrier plates 23 move towards the opposite sides again and are positioned below the mounting flanks 32;
The lifting mechanism 6 descends the assembly part 5 again, the supporting plate 51 drives the driving plate 81 to descend through the connecting piece 84, the upper tooth surface 83 is separated from the first driving gear again at the moment, when the carrier 1 moves out between the two carriers 2, the front tooth surface 82 acts on the second driving gear to drive the second screw rod 221 to rotate, the carrier plate 23 is driven to lift in the same way, and the impact frame 3 is lifted at the moment, so that the automatic detachment of the impact frame 3 and the carrier 1 is realized.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (6)
1. A crash test apparatus for use in automated driving vehicle testing, comprising: the device comprises a carrier, an impact frame, columnar impact equipment and two carrier;
The two bearing frames are arranged at intervals and are used for bearing the impact frame;
The bearing frame comprises horizontal moving equipment, lifting equipment and bearing plates, wherein the horizontal moving equipment is arranged on a test site, the lifting equipment is arranged at the output end of the horizontal moving equipment, the bearing plates are arranged at the output end of the lifting equipment, and two sides of the bearing frame are correspondingly arranged on the two bearing plates and are suspended on the test site;
the columnar impact device is mounted on the test site;
When columnar collision is carried out, the bearing vehicle bears the vehicle to be tested to move towards the columnar collision equipment at a preset speed, and the side surface of the vehicle to be tested collides with the columnar collision equipment;
When an impacted test is carried out, a carrier vehicle runs below the impact frame and is assembled with the impact frame through an assembly part, and the carrier vehicle drives the impact frame to move towards the vehicle to be tested at a preset speed and impacts the vehicle to be tested;
the impact frame comprises an impact main body, a mounting sleeve and two mounting side wings, wherein the two mounting side wings are arranged on two sides of the impact main body, and the mounting sleeve is arranged on the mounting side wings;
The number of the assembly parts is two, when the bearing vehicle and the impact frame are assembled, the two assembly parts are arranged in one-to-one correspondence with the two mounting side wings, the assembly parts comprise a supporting plate, an assembly column and a threaded shaft, one end of the assembly column is arranged on the supporting plate, the threaded shaft is arranged at the other end of the assembly column, an assembly hole is formed in the bearing vehicle, the mounting sleeve comprises a positioning cylinder and a screw cap, one end of the positioning cylinder is arranged on the mounting side wings, and the screw cap is arranged at the other end of the positioning cylinder;
The assembly part further comprises a driving shaft, the driving shaft is arranged at the bottom end of the assembly column, the driving shaft penetrates through the supporting plate through a mounting hole, the diameter of the assembly column is larger than the aperture of the mounting hole, the collision test equipment for testing the automatic driving vehicle further comprises a lifting mechanism and a plurality of rotating devices, the lifting mechanism is arranged in the carrier, the supporting plate is arranged at the output end of the lifting mechanism, and one rotating device is used for driving the driving shaft in the corresponding assembly part to rotate;
The lifting mechanism comprises a telescopic cylinder, a connecting plate and an L-shaped plate, the telescopic cylinder is mounted on the carrier, the connecting plate is connected with the supporting plates in the two assembly parts, and the output end of the telescopic cylinder is connected with the connecting plate through the L-shaped plate;
the rotating device comprises a driving gear, and the driving gear is arranged on the driving shaft;
The collision test equipment for the automatic driving vehicle test further comprises two toothed plates, wherein the two toothed plates are installed on the test site at intervals, and when the lifting mechanism lifts the assembly part, the toothed plates are meshed with the driving gear when the threaded shaft is abutted with the nut.
2. The crash test apparatus for an automated guided vehicle test as set forth in claim 1 wherein said support plate, said mounting post, said drive shaft and said threaded shaft in one of said assemblies are each provided in a plurality corresponding thereto, adjacent ones of said support plates being connected by a connecting rod, a drive gear being mounted on each of said drive shafts, said rotary device further comprising a drive plate provided with a plurality of tooth surfaces in corresponding engagement with said plurality of drive gears, said drive plate being sleeved on said connecting rod by a slide arm; a plurality of mounting sleeves are arranged on one of the mounting flanks.
3. The crash test apparatus for an automated guided vehicle test as recited in claim 2, wherein said horizontal movement apparatus comprises a base plate, a slide car, a mounting plate, a first screw, a threaded sleeve, and a first rotating means, said base plate being mounted on said test site, said slide car being slidably disposed on said base plate, said mounting plate being mounted on said base plate, said first screw being rotatably mounted on said mounting plate, said threaded sleeve being threadedly connected to said first screw and being connected to said slide car, said first rotating means being for driving said first screw to rotate.
4. The crash test apparatus for an automated guided vehicle test as set forth in claim 3 wherein said lift apparatus comprises a second rotating means, a driving member, a plurality of second screw rods and a plurality of screw barrels, a plurality of said second screw rods being rotatably mounted on said slide car at intervals, one of said screw barrels being correspondingly threadedly connected to one of said second screw rods, adjacent two of said second screw rods being drivingly connected through said driving member, said carrier plate being mounted on top of a plurality of said screw barrels, said second rotating means being adapted to drive said second screw rods to rotate.
5. The crash test apparatus for an automated guided vehicle test as recited in claim 4, wherein said first rotating means is a first drive gear mounted on said first lead screw and said second rotating means is a second drive gear mounted on said second lead screw; the collision test equipment for testing the automatic driving vehicle further comprises a stop lever and two driving devices, wherein the driving devices comprise a driving plate, a front tooth surface, an upper tooth surface and a connecting piece, one driving plate is correspondingly connected with the supporting plate in one assembly part through the connecting piece, the front tooth surface is arranged on one side, far away from the bearing vehicle, of the driving plate, the upper tooth surface is arranged on the top of the driving plate, and the stop lever is arranged between the two bearing frames;
in the process that the carrier moves below the impact frame, the front tooth surface drives the second driving gear to rotate, and the upper tooth surface is positioned below the first driving gear and is spaced;
When the lifting mechanism lifts the assembly part to enable the threaded shaft to be in abutting connection with the nut, the connecting piece drives the driving plate to move upwards, the upper tooth surface is meshed with the first driving gear, and an extension line of the bottom end of the front tooth surface is provided with an overlapping portion with the second driving gear.
6. The crash test apparatus for an automated guided vehicle test as recited in claim 5, wherein said connector comprises a connecting arm, a slide bar, and an end cap, one end of said connecting arm being connected to said drive plate, the other end extending through said carriage through a bar-shaped hole and below said support plate, a bottom end of said slide bar extending through said support plate and being connected to said connecting arm, said end cap being mounted to a top end of said slide bar.
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| CN202410508434.6A CN118090247B (en) | 2024-04-26 | 2024-04-26 | Collision test equipment for automatic driving vehicle test |
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| CN202410508434.6A CN118090247B (en) | 2024-04-26 | 2024-04-26 | Collision test equipment for automatic driving vehicle test |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040011925A (en) * | 2002-07-31 | 2004-02-11 | 현대자동차주식회사 | Simulation apparatus for side impact of vehicle at a pole |
| KR20170013758A (en) * | 2015-07-28 | 2017-02-07 | 주식회사 엠에스 오토텍 | Test vehicle for side impact crash tests |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002340728A (en) * | 2001-05-15 | 2002-11-27 | Honda Motor Co Ltd | Method for testing collision of vehicle |
| CN112985734A (en) * | 2021-03-02 | 2021-06-18 | 清华大学 | Side column impact test device and test method |
| CN216524813U (en) * | 2021-07-30 | 2022-05-13 | 中国第一汽车股份有限公司 | Automobile column collision testing device |
| CN117890125A (en) * | 2024-01-15 | 2024-04-16 | 山东高速济宁发展有限公司 | Highway vehicle collision simulation experiment system |
| CN117723318B (en) * | 2024-02-08 | 2024-04-26 | 安徽中科星驰自动驾驶技术有限公司 | Reliability determining method and testing system for automobile automatic driving system |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040011925A (en) * | 2002-07-31 | 2004-02-11 | 현대자동차주식회사 | Simulation apparatus for side impact of vehicle at a pole |
| KR20170013758A (en) * | 2015-07-28 | 2017-02-07 | 주식회사 엠에스 오토텍 | Test vehicle for side impact crash tests |
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