CN119469819A - An obstacle simulation device in a self-driving car test scenario - Google Patents
An obstacle simulation device in a self-driving car test scenario Download PDFInfo
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- CN119469819A CN119469819A CN202510076693.0A CN202510076693A CN119469819A CN 119469819 A CN119469819 A CN 119469819A CN 202510076693 A CN202510076693 A CN 202510076693A CN 119469819 A CN119469819 A CN 119469819A
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- 238000012360 testing method Methods 0.000 title claims abstract description 135
- 238000004088 simulation Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 71
- 238000005507 spraying Methods 0.000 claims description 28
- 230000007246 mechanism Effects 0.000 claims description 23
- 239000007921 spray Substances 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000002457 bidirectional effect Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003909 pattern recognition Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0052—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to impact
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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
- G01M17/0078—Shock-testing of vehicles
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
本发明公开了一种自动驾驶汽车测试场景中的障碍物模拟装置，属于汽车障碍物模拟技术领域，包括测试轨道，测试轨道上设有测试样车，所述测试轨道的两侧均固定安装有滑轨，所述滑轨上滑动连接有移动座，所述移动座的顶部转动连接有支撑杆，两个支撑杆的顶端转动连接有同一个顶板，所述顶板的顶部安装有报警器。通过测试板与移动块的转动连接，且楔形板与垫块的相互配合，同时楔形槽与顶杆的相互配合，使得测试板在受到冲击时，能够带动活动杆移动，并根据不同冲击力度推动活动杆移动到不同位置，进而能够使得四个指示灯自下而上的亮起，从而便于对不同冲击力度进行测试。
The present invention discloses an obstacle simulation device in an autonomous driving vehicle test scene, which belongs to the technical field of vehicle obstacle simulation, and includes a test track, on which a test sample vehicle is arranged, slide rails are fixedly installed on both sides of the test track, a moving seat is slidably connected to the slide rails, the top of the moving seat is rotatably connected to a support rod, the tops of the two support rods are rotatably connected to the same top plate, and an alarm is installed on the top of the top plate. Through the rotational connection between the test plate and the moving block, and the mutual cooperation between the wedge plate and the cushion block, and the mutual cooperation between the wedge groove and the top rod, the test plate can drive the movable rod to move when impacted, and push the movable rod to different positions according to different impact strengths, so that four indicator lights can light up from bottom to top, so as to facilitate testing of different impact strengths.
Description
Technical Field
The invention belongs to the technical field of automobile obstacle simulation, and particularly relates to an obstacle simulation device in an automatic driving automobile test scene.
Background
The unmanned automobile is an intelligent automobile, can also be called a wheeled mobile robot, and mainly depends on an intelligent driver taking a computer system as a main part in the automobile to realize unmanned. The unmanned automobile integrates a plurality of technologies such as automatic control, architecture, artificial intelligence, visual computing and the like, is a highly developed product of computer science, pattern recognition and intelligent control technology, is an important mark for measuring the scientific research strength and the industrial level of a country, and has wide application prospect in the fields of national defense and national economy. At present, unmanned automobiles are still in continuous research and development and testing stages, and in order to improve the accuracy of the test, obstacle tests are required to be carried out in a simulated real automobile driving scene;
In the existing test scene, the operation is generally carried out by directly placing or moving an obstacle on a test road, the test mode is single, the quantitative observation of the impact force of a test vehicle is inconvenient, and the function of adjusting the test environment is generally not provided;
In order to solve the above problems, the present application provides an obstacle simulator in an autopilot test scenario.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides an obstacle simulation device in an automatic driving automobile test scene, so as to overcome the technical problems in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the obstacle simulation device in the test scene of the automatic driving automobile comprises a test track, wherein a test sample car is arranged on the test track, sliding rails are fixedly arranged on two sides of the test track, a movable seat is connected to the sliding rails in a sliding manner, support rods are connected to the tops of the movable seat in a rotating manner, the top ends of the two support rods are connected to the same top plate in a rotating manner, and an alarm is arranged on the top of the top plate;
The testing plate is slidably mounted at the bottom of the top plate, a sliding groove is formed in the bottom of the top plate, a screw rod is rotatably connected to the inner wall of the sliding groove, a moving block is connected to the screw rod in a threaded mode, the testing plate is rotatably mounted at the bottom of the moving block, a second motor is fixedly mounted on one side of the top plate, an output shaft of the second motor is fixedly connected with the screw rod, and a mounting plate is fixedly mounted on one side of the moving block;
The position adjusting mechanism comprises a first motor, the first motor is fixedly arranged on the top plate, two fixing boxes are fixedly arranged at the top of the top plate, the two fixing boxes are rotationally connected with the same driving rod, the driving rod is fixedly connected with an output shaft of the first motor, and the driving rod is in transmission connection with the two supporting rods;
the impact early warning mechanism comprises an installation box, wherein the installation box is fixedly installed at the bottom of the installation plate, a functional box is fixedly installed on one side of the installation plate, and four indicator lamps are installed on one side of the functional box;
And the rain distribution mechanism is arranged on the test track and is matched with the test sample car.
Preferably, the position adjusting mechanism further comprises two worms, the two worms are fixedly arranged on the driving rod, a worm wheel is fixedly arranged at the top end of the supporting rod, and the worms are meshed with the worm wheel.
The rotating driving rod is meshed with the worm wheel through the worm, so that the supporting rod can be driven to rotate.
Preferably, the bottom fixed mounting of bracing piece has the driving gear, the top fixed mounting of slide rail has the rack, the driving gear with rack intermeshing, set up on the removal seat and placed the chamber, the driving gear is located and places the intracavity.
The pivoted bracing piece passes through the intermeshing of driving gear and rack to can drive and remove seat and bracing piece and carry out the position movement, and then can drive roof and test panel and carry out the position movement, thereby can test the test sample car of different distances.
Preferably, the impact early warning mechanism further comprises a movable rod, the movable rod is slidably mounted on the mounting box, a cushion block is fixedly mounted at the bottom end of the movable rod, a pressure sensor is mounted between the cushion block and the movable rod, a wedge plate is fixedly mounted on one side of the test plate, and the wedge plate is mutually matched with the cushion block.
The test board that angle changed can promote the cushion through the wedge plate and remove, and the cushion promotes the movable rod and removes, and pressure sensor's setting detects when can producing the dynamics when striking simultaneously, and pressure sensor remote connection has the monitoring platform to remote monitoring can be convenient for.
Preferably, one side sliding connection of function box has four ejector pins, and the one end fixed mounting of ejector pin has the metal block, installs four contact blocks on the one side inner wall of function box, the contact block is connected with the pilot lamp that corresponds.
The gliding ejector pin drives the metal piece and removes, and when metal piece and contact block contact, the power and the contact block switch-on that the metal piece is connected to can switch on the power with the pilot lamp that corresponds, and then can be convenient for observe.
Preferably, a wedge-shaped groove is formed in one side of the movable rod, the wedge-shaped groove is matched with the ejector rod, a stop block is formed on the ejector rod, a reset spring is fixedly arranged on one side of the stop block, and one end of the reset spring is fixedly connected with the functional box.
The movable rod that removes passes through the mutually supporting of wedge groove and ejector pin to can drive the ejector pin and remove, and promote reset spring through the dog and compress, when the movable rod resets, reset spring can drive the ejector pin through the dog and reset, and then be convenient for detect next time.
Preferably, the bottom of the mounting box is fixedly provided with a positioning plate, the movable rod is fixedly provided with a movable plate, and the same buffer spring is arranged between the movable plate and the positioning plate.
The movable rod drives the movable plate to move, the movable plate compresses the buffer spring, and when the movable rod loses thrust, the buffer spring can reset the movable rod through the movable plate.
Preferably, the rain distribution mechanism comprises a water tank, the water tank is arranged on one side of the test track, two symmetrically arranged guide pipes are arranged at the top of the water tank, four symmetrically arranged positioning seats are fixedly arranged at the top of the test track, one water spraying box is rotatably connected between the two positioning seats on the same side, a plurality of spray heads are arranged on the water spraying box, and the water spraying box is connected with the corresponding guide pipes.
Water in the water tank can be guided out through the guide pipe and sprayed out through a plurality of spray heads on the water spraying box, so that the water tank is applied to a test track and a rainy day test is carried out on a test sample car.
Preferably, the collecting vat that two symmetries set up has been seted up at test track's top, the opening has been seted up at the top of water tank, the opening is mutually supported with the collecting vat, rotates between corresponding two positioning seats and is connected with same two-way screw rod, threaded connection has the slide that two symmetries set up on the two-way screw rod, and one side fixed mounting of slide has the ratch, and one side fixed mounting of water spray box has drive gear, ratch and the intermeshing of drive gear that corresponds.
The setting of collecting vat can be convenient for collect the rainwater on the test track to in leading-in water tank through the opening, thereby be convenient for recycle, pivoted bidirectional screw can be through the threaded connection with two sliders simultaneously, thereby can drive two ratches and remove in opposite directions, and then through the intermeshing with ratches and drive gear, thereby can drive the water spray box and carry out the angle variation, be convenient for according to different rainfall, adjust the water spray angle, thereby adapt to best water spray effect.
Preferably, the bottom sliding connection of water spray box has the regulating plate, and the top rotation of water spray box is connected with the threaded rod, threaded rod and regulating plate threaded connection.
The pivoted threaded rod is through being connected with the rotation of water spray box, and with the threaded connection of regulating plate to can adjust the position of regulating plate in the water spray box, and then can adjust the water yield, be applicable to the test effect to the test sample car under the different rainfall.
In summary, the technical effects and advantages of the present invention are:
Through the intermeshing of worm and worm, and the intermeshing of driving gear and rack for pivoted driving lever can drive bracing piece and roof and carry out the position movement, and then can adjust the test of different positions on the test track, and then adapt to the different speeds of test sample car.
Through the rotation of test board and movable block, and wedge plate and cushion mutually support, wedge groove and ejector pin mutually support simultaneously for the test board is when receiving the impact, can drive the movable rod and remove, and promote the movable rod according to different impact forces and remove different positions, and then can make four pilot lamps light from bottom to top, thereby is convenient for test different impact forces.
Through the setting of water tank and a plurality of shower nozzles to can carry out the rainwater simulation to the test track, and then be convenient for adapt to and test under different rainfall, can also carry out the rainwater backward flow through collecting vat and opening simultaneously, be convenient for people use.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the structure of the test track and the water tank according to the present invention;
FIG. 4 is a schematic diagram of an impact pre-warning mechanism according to the present invention;
FIG. 5 is a schematic view showing the internal structures of the mounting box and the functional box of the present invention;
FIG. 6 is a schematic view of a water jet cartridge according to the present invention;
FIG. 7 is a schematic view of the structure A of FIG. 2 according to the present invention;
FIG. 8 is a schematic view of the portion B of FIG. 2 according to the present invention.
In the figure:
1. The test track, 2, the test sample car, 3, the movable seat, 4, the support rod, 5, the top plate, 6, the position adjusting mechanism, 61, the first motor, 62, the driving rod, 63, the worm, 64, the worm wheel, 65, the driving gear, 66, the rack, 67, the fixed box, 7, the impact early warning mechanism, 71, the mounting box, 72, the movable rod, 73, the wedge groove, 74, the functional box, 75, the ejector rod, 76, the stop block, 77, the reset spring, 781, the indicator light, 782, the metal block, 783, the contact block, 8, the rain distribution mechanism, 81, the water spraying box, 82, the water tank, 83, the guide pipe, 84, the collecting groove, 85, the opening, 86, the positioning seat, 87, the bidirectional screw rod, 881, the toothed bar, 882, the transmission gear, 883, the sliding seat, 891, the threaded rod, 892, the adjusting plate, 9, the sliding rail, 10, the test plate, the cushion block, 11, the mounting plate, 12, 13, the pressure sensor, 14, the movable plate, 15, the positioning plate, 16, the buffer spring, 17, the sliding groove, 18, the sliding block, 18, the water spraying box, the motor, 19, the water tank, 20, 21, the second alarm plate, and 22.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-8, an obstacle simulator in an automatic driving automobile test scene comprises a test track 1, wherein a test sample car 2 is arranged on the test track 1, slide rails 9 are fixedly arranged on two sides of the test track 1, a movable seat 3 is slidably connected to the slide rails 9, a support rod 4 is rotatably connected to the top of the movable seat 3, the top ends of the two support rods 4 are rotatably connected with a same top plate 5, an alarm 22 is arranged at the top of the top plate 5, and the alarm 22 is arranged to be convenient for alarming pressure signals received by a pressure sensor 13;
the test board 10 is slidably mounted at the bottom of the top board 5, a sliding groove 17 is formed in the bottom of the top board 5, a screw rod 18 is rotatably connected to the inner wall of the sliding groove 17, a moving block 19 is threadedly connected to the screw rod 18, the test board 10 is rotatably mounted at the bottom of the moving block 19, a second motor 20 is fixedly mounted on one side of the top board 5, an output shaft of the second motor 20 is fixedly connected with the screw rod 18, and a mounting board 11 is fixedly mounted on one side of the moving block 19;
The position adjusting mechanism 6 comprises a first motor 61, the first motor 61 is fixedly arranged on the top plate 5, two fixing boxes 67 are fixedly arranged at the top of the top plate 5, the two fixing boxes 67 are rotatably connected with the same driving rod 62, the driving rod 62 is fixedly connected with an output shaft of the first motor 61, and the driving rod 62 is in transmission connection with the two support rods 4;
The impact early warning mechanism 7 comprises a mounting box 71, wherein the mounting box 71 is fixedly arranged at the bottom of a mounting plate 11, a functional box 74 is fixedly arranged on one side of the mounting plate 11, and four indicator lamps 781 are arranged on one side of the functional box 74;
and the rain distribution mechanism 8 is arranged on the test track 1 and is matched with the test sample car 2.
Referring to fig. 2 and 6, the position adjusting mechanism 6 further includes two worms 63, the two worms 63 are fixedly mounted on the driving lever 62, a worm wheel 64 is fixedly mounted at the top end of the supporting lever 4, the worms 63 are engaged with the worm wheel 64, and the rotating driving lever 62 can drive the supporting lever 4 to rotate by the engagement of the worms 63 with the worm wheel 64.
Referring to fig. 7, the bottom end of the support rod 4 is fixedly provided with a driving gear 65, the top end of the sliding rail 9 is fixedly provided with a rack 66, the driving gear 65 is meshed with the rack 66, the moving seat 3 is provided with a placing cavity, the driving gear 65 is positioned in the placing cavity, the rotating support rod 4 is meshed with the rack 66 through the driving gear 65, so that the moving seat 3 and the support rod 4 can be driven to move in position, and then the top plate 5 and the test board 10 can be driven to move in position, so that test sample vehicles 2 with different distances can be tested.
Referring to fig. 5, the impact pre-warning mechanism 7 further includes a movable rod 72, the movable rod 72 is slidably mounted on the mounting box 71, a cushion block 12 is fixedly mounted at the bottom end of the movable rod 72, a pressure sensor 13 is mounted between the cushion block 12 and the movable rod 72, a wedge plate 21 is fixedly mounted at one side of the test plate 10, the wedge plate 21 and the cushion block 12 are mutually matched, the test plate 10 with angle variation can push the cushion block 12 to move through the wedge plate 21, the cushion block 12 pushes the movable rod 72 to move, meanwhile, the pressure sensor 13 is arranged to detect the force generated during impact, and the pressure sensor 13 is remotely connected with a monitoring platform, so that remote monitoring can be facilitated.
Referring to fig. 5, one side of the functional box 74 is slidably connected with four push rods 75, one end of the push rod 75 is fixedly provided with a metal block 782, one side inner wall of the functional box 74 is provided with four contact blocks 783, the contact blocks 783 are connected with corresponding indicator lamps 781, the sliding push rods 75 drive the metal block 782 to move, when the metal block 782 is contacted with the contact blocks 783, a power supply connected with the metal block 782 is connected with the contact blocks 783, so that the power supply can be connected with the corresponding indicator lamps 781, and observation can be facilitated.
Referring to fig. 5, a wedge groove 73 is formed in one side of the movable rod 72, the wedge groove 73 is matched with the ejector rod 75, a stop block 76 is formed in the ejector rod 75, a return spring 77 is fixedly mounted on one side of the stop block 76, one end of the return spring 77 is fixedly connected with the functional box 74, the movable rod 72 moves through the matched wedge groove 73 and the ejector rod 75, the ejector rod 75 can be driven to move, the return spring 77 is pushed to compress through the stop block 76, and when the movable rod 72 resets, the return spring 77 can drive the ejector rod 75 to reset through the stop block 76, so that detection is facilitated next time.
Referring to fig. 5, a positioning plate 15 is fixedly mounted at the bottom of a mounting box 71, a movable plate 14 is fixedly mounted on a movable rod 72, the same buffer spring 16 is mounted between the movable plate 14 and the positioning plate 15, the movable rod 72 which moves drives the movable plate 14 to move, the movable plate 14 compresses the buffer spring 16, and when the movable rod 72 loses thrust, the movable plate 14 can reset the movable rod 72 through the movable plate 14 of the buffer spring 16.
Referring to fig. 2, the rain distribution mechanism 8 includes a water tank 82, the water tank 82 is installed on one side of the test track 1, two symmetrically arranged guide pipes 83 are installed at the top of the water tank 82, four symmetrically arranged positioning seats 86 are fixedly installed at the top of the test track 1, one water spraying box 81 is rotatably connected between the two positioning seats 86 on the same side, a plurality of spray heads are installed on the water spraying box 81, the water spraying box 81 is connected with the corresponding guide pipes 83, water in the water tank 82 can be led out through the guide pipes 83 and sprayed out through the plurality of spray heads on the water spraying box 81, so that the water distribution mechanism acts on the test track 1, and a rainy day test is performed on the test sample car 2.
Referring to fig. 2, two symmetrically arranged collecting grooves 84 are formed in the top of the test track 1, an opening 85 is formed in the top of the water tank 82, the opening 85 and the collecting grooves 84 are matched with each other, the same bidirectional screw rod 87 is connected between two corresponding positioning seats 86 in a rotating mode, two symmetrically arranged sliding seats 883 are connected to the bidirectional screw rod 87 in a threaded mode, a toothed bar 881 is fixedly arranged on one side of each sliding seat 883, a transmission gear 882 is fixedly arranged on one side of each water spraying box 81, the toothed bar 881 is meshed with the corresponding transmission gear 882, the collecting grooves 84 are arranged, rainwater on the test track 1 can be conveniently collected, the rainwater can be led into the water tank 82 through the opening 85, the water can be conveniently recycled, meanwhile, the two bidirectional screw rods 87 can be connected with the threads of the two sliding seats 883 in a rotating mode, the two toothed bars 881 can be driven to move reversely, the water spraying boxes 81 can be driven to change in an angle through the mutual meshing with the toothed bars 881 and the transmission gears 882, the water spraying boxes 81 can be conveniently driven to change in angle according to different rainfall, and the optimal water spraying effect is conveniently adjusted.
Referring to fig. 6, the bottom sliding connection of water spray box 81 has regulating plate 892, and the top of water spray box 81 rotates and is connected with threaded rod 891, threaded rod 891 and regulating plate 892 threaded connection, pivoted threaded rod 891 through with the rotation of water spray box 81 be connected, and with the threaded connection of regulating plate 892 to can adjust the position of regulating plate 892 in water spray box 81, and then can adjust the water yield, be applicable to the test effect to test sample car 2 under the different rainfall.
Working principle: during operation, the test sample car 2 is driven and tested on the test track 1, the second motor 20 is started to switch, the output shaft of the second motor 20 drives the screw rod 18 to rotate, the screw rod 18 is connected with the moving block 19 in a threaded manner, so that the moving block 19 and the test board 10 can be driven to move, the test board 10 can move to the middle position of the test track 1 and perform barrier simulation test with the test sample car 2, meanwhile, water in the water tank 82 can be led out through the guide pipe 83 and sprayed out through a plurality of spray heads on the water spraying box 81, so that the test sample car 2 is acted on the test track 1, the test sample car 2 is tested in a rainy day, the collection groove 84 is arranged, rainwater on the test track 1 can be conveniently collected, the rainwater can be conveniently led into the water tank 82 through the opening 85, the test sample car is convenient to recycle, the bidirectional screw rod 87 which simultaneously rotates can be connected with the threads of the two slide seats 883, so as to drive the two toothed bars 881 to move reversely, and further drive the water spraying box 81 to change the angle through the mutual engagement between the toothed bars 881 and the transmission gear 882, so as to adjust the water spraying angle according to different rainfall, thereby adapting to the best water spraying effect, when the state of different functional rainfall needs to be adjusted, the threaded rod 891 is rotated, the rotating threaded rod 891 is connected with the rotation of the water spraying box 81 and is in threaded connection with the adjusting plate 892, so that the position of the adjusting plate 892 in the water spraying box 81 can be adjusted, the water spraying amount can be adjusted, the water spraying device is suitable for the test effect of the test sample car 2 under different rainfall, when the test sample car 2 and the test plate 10 impact, the impact pushing force test plate 10 changes the angle, the test plate 10 pushes the cushion block 12 to move through the wedge plate 21, the cushion block 12 pushes the movable rod 72 to move, simultaneously, the setting of pressure sensor 13 can detect when the dynamics that produces when striking, and pressure sensor 13 remote connection has the monitoring platform, thereby can be convenient for remote monitoring, the movable rod 72 of removal passes through wedge groove 73 and ejector pin 75's mutually support, thereby can drive ejector pin 75 and compress, and promote reset spring 77 through dog 76, when movable rod 72 resets, reset spring 77 can drive ejector pin 75 through dog 76 and reset, and then be convenient for detect next time, gliding ejector pin 75 drives metal piece 782 and removes, when metal piece 782 and contact piece 783 contact, the power and the contact piece 783 switch-on of metal piece 782 connection, thereby can with the pilot lamp 781 switch-on that corresponds, and then be convenient for observe, the movable rod 72 of removal drives movable plate 14 and removes, movable plate 14 compresses buffer spring 16, when movable rod 72 loses the thrust, can reset movable plate 14, when needs test sample car 2 reaches the speed, start first motor 61 switch, the output shaft of first motor 61 drives worm wheel 62 and drive the worm wheel 62 and the gear wheel and the test 4 can drive the test seat with the position of the worm gear wheel and the drive with the test 4, thereby can be with the test car with the test 4, and the test 4 can be moved through the drive the test seat with the contact piece is with the contact piece 783, and the test 4 can be more than the test seat is moved, and the test 4 can be with the test 4, and the test seat is moved, and the test 4 can be moved with the test seat is moved, and the test 4 can be moved with the test seat is more than has the test plate.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. The obstacle simulation device for the automatic driving automobile test scene comprises a test track (1), wherein a test sample car (2) is arranged on the test track (1), and is characterized in that sliding rails (9) are fixedly arranged on two sides of the test track (1), a movable seat (3) is connected to the sliding rails (9) in a sliding manner, support rods (4) are connected to the top of the movable seat (3) in a rotating manner, the top ends of the two support rods (4) are connected to the same top plate (5) in a rotating manner, and an alarm (22) is arranged at the top of the top plate (5);
the test board (10), slidable mounting is in the bottom of roof (5), sliding groove (17) has been seted up to the bottom of roof (5), rotate on the inner wall of sliding groove (17) and be connected with lead screw (18), threaded connection has movable block (19) on lead screw (18), test board (10) rotate and install the bottom of movable block (19), one side fixed mounting of roof (5) has second motor (20), the output shaft and the lead screw (18) fixed connection of second motor (20), one side fixed mounting of movable block (19) has mounting panel (11);
The position adjusting mechanism (6) comprises a first motor (61), the first motor (61) is fixedly arranged on the top plate (5), two fixing boxes (67) are fixedly arranged at the top of the top plate (5), the two fixing boxes (67) are rotatably connected with the same driving rod (62), the driving rod (62) is fixedly connected with an output shaft of the first motor (61), and the driving rod (62) is in transmission connection with the two supporting rods (4);
The impact early warning mechanism (7) comprises a mounting box (71), wherein the mounting box (71) is fixedly arranged at the bottom of the mounting plate (11), a functional box (74) is fixedly arranged on one side of the mounting plate (11), and four indicator lamps (781) are arranged on one side of the functional box (74);
and the rain distribution mechanism (8) is arranged on the test track (1) and is matched with the test sample car (2).
2. An obstacle simulator in an autopilot test scenario according to claim 1, wherein the position adjustment mechanism (6) further comprises two worms (63), two of the worms (63) being fixedly mounted on the driving lever (62), the top end of the support lever (4) being fixedly mounted with a worm wheel (64), the worms (63) being intermeshed with the worm wheel (64).
3. The obstacle simulator in the test scene of the automatic driving automobile according to claim 2, wherein a driving gear (65) is fixedly arranged at the bottom end of the supporting rod (4), a rack (66) is fixedly arranged at the top end of the sliding rail (9), the driving gear (65) is meshed with the rack (66), a placing cavity is formed in the moving seat (3), and the driving gear (65) is located in the placing cavity.
4. The obstacle simulator in the test scene of the automatic driving automobile according to claim 1, wherein the impact early warning mechanism (7) further comprises a movable rod (72), the movable rod (72) is slidably mounted on the mounting box (71), a cushion block (12) is fixedly mounted at the bottom end of the movable rod (72), a pressure sensor (13) is mounted between the cushion block (12) and the movable rod (72), a wedge plate (21) is fixedly mounted at one side of the test board (10), and the wedge plate (21) is mutually matched with the cushion block (12).
5. The obstacle simulator in an autopilot automobile testing scenario of claim 4 wherein one side of the functional box (74) is slidably connected with four ejector pins (75), one end of the ejector pin (75) is fixedly provided with a metal block (782), one side inner wall of the functional box (74) is provided with four contact blocks (783), and the contact blocks (783) are connected with corresponding indicator lights (781).
6. The obstacle simulator in the test scene of the automatic driving automobile according to claim 5, wherein a wedge-shaped groove (73) is formed in one side of the movable rod (72), the wedge-shaped groove (73) is matched with the ejector rod (75), a stop block (76) is formed in the ejector rod (75), a return spring (77) is fixedly arranged on one side of the stop block (76), and one end of the return spring (77) is fixedly connected with the functional box (74).
7. The obstacle simulator in the test scene of an automatic driving automobile according to claim 6, wherein a positioning plate (15) is fixedly installed at the bottom of the installation box (71), a movable plate (14) is fixedly installed on the movable rod (72), and the same buffer spring (16) is installed between the movable plate (14) and the positioning plate (15).
8. The obstacle simulation device in an automatic driving automobile testing scene according to claim 1, wherein the rain distribution mechanism (8) comprises a water tank (82), the water tank (82) is installed on one side of the testing track (1), two symmetrically arranged guide pipes (83) are installed at the top of the water tank (82), four symmetrically arranged positioning seats (86) are fixedly installed at the top of the testing track (1), one water spraying box (81) is rotatably connected between the two positioning seats (86) on the same side, a plurality of spray heads are installed on the water spraying box (81), and the water spraying box (81) is connected with the corresponding guide pipes (83).
9. The obstacle simulator in the test scene of the automatic driving automobile according to claim 8, wherein two symmetrically arranged collecting grooves (84) are formed in the top of the test track (1), an opening (85) is formed in the top of the water tank (82), the opening (85) is matched with the collecting grooves (84), the same bidirectional screw (87) is rotationally connected between two corresponding positioning seats (86), two symmetrically arranged sliding seats (883) are in threaded connection with the bidirectional screw (87), a toothed bar (881) is fixedly arranged on one side of the sliding seat (883), a transmission gear (882) is fixedly arranged on one side of the water spraying box (81), and the toothed bar (881) is meshed with the corresponding transmission gear (882).
10. The obstacle simulator in an automatic driving automobile test scene as claimed in claim 9, wherein the bottom of the water spraying box (81) is slidably connected with an adjusting plate (892), the top of the water spraying box (81) is rotatably connected with a threaded rod (891), and the threaded rod (891) is in threaded connection with the adjusting plate (892).
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| CN119469819B (en) | 2025-04-11 |
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