CN214010755U - Unmanned vehicle overturning testing device - Google Patents
Unmanned vehicle overturning testing device Download PDFInfo
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- CN214010755U CN214010755U CN202120047188.0U CN202120047188U CN214010755U CN 214010755 U CN214010755 U CN 214010755U CN 202120047188 U CN202120047188 U CN 202120047188U CN 214010755 U CN214010755 U CN 214010755U
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Abstract
The utility model discloses an unmanned vehicle test device that topples relates to unmanned vehicle technical field. The unmanned vehicle overturning testing device comprises a base, a supporting platform and a turnover mechanism, wherein the supporting platform is rotatably connected with the base, and the turnover mechanism can drive the supporting platform to incline relative to the base. The supporting platform comprises a supporting plate and a testing bottom plate, the supporting plate is connected with the base and the turnover mechanism, the testing bottom plate is arranged on one side, away from the base, of the supporting plate, and the supporting plate is detachably connected with the testing bottom plate. The utility model provides an unmanned vehicle overturning testing device, which can test the overturning angles of different types of automatic driving vehicles under different road surface forms, and has simple structure and low cost; the universality and the testing efficiency of the unmanned vehicle overturn testing device are improved.
Description
Technical Field
The utility model relates to an unmanned vehicle technical field especially relates to an unmanned vehicle test device that topples.
Background
The automatic driving technology has been widely developed and applied, but the vehicle may overturn in some circumstances to cause rollover due to various reasons such as an automatic driving system and a surrounding environment. Generally, a vehicle with a high center of gravity tends to roll over when turning around a curve. The rollover prevention function, as a basic capability of an autonomous vehicle, is a prerequisite for safe driving of the autonomous vehicle.
At present, in an unmanned vehicle overturning capacity experiment, in order to test the theoretical maximum overturning angle of a vehicle, an overturning test device with a fixed angle is generally required to be specially customized or a series of roads with different overturning gradients are generally constructed on the spot, but the test device with the fixed angle cannot meet the requirements of different types of automatic driving test vehicles on the gradients, and the cost for constructing the series of roads with different overturning gradients is too high; moreover, the conventional overturn testing device is generally assembled by metal, and the attribute of the surface road can only test the overturn prevention capability of the automatic driving vehicle on the metal surface, so that the overturn angles of different road surface forms cannot be tested.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an unmanned vehicle overturn testing device, which can meet the requirements of vehicles of different types on the measurement of gradient, and has simple structure and low cost; but also the overturning angles of different road surface forms.
To achieve the purpose, the utility model adopts the following technical proposal:
the unmanned vehicle overturning testing device comprises a base, a supporting platform and a turnover mechanism, wherein the supporting platform is rotatably connected with the base, and the turnover mechanism can drive the supporting platform to incline relative to the base;
the supporting platform comprises a supporting plate and a testing bottom plate, the supporting plate is connected with the base and the turnover mechanism, the testing bottom plate is arranged on one side, away from the base, of the supporting plate, and the supporting plate is detachably connected with the testing bottom plate.
Optionally, the test bottom plate includes a pavement characteristic layer and a fixed layer, the pavement characteristic layer is disposed on the upper surface of the fixed layer, and the fixed layer is detachably connected with the support plate.
Optionally, the pavement feature layer is a cement layer or an asphalt layer.
Optionally, the unmanned vehicle overturning testing device further comprises an angle tester, the angle tester is installed on the supporting plate, and the angle tester is used for detecting the inclination angle of the supporting platform relative to the base.
Optionally, a fixed stop lever and a fixed stop block are further arranged on the supporting plate, the fixed stop lever is located at the front end of the supporting plate, the fixed stop block is arranged on the supporting plate and located on one side, rotatably connected with the base, of the supporting platform, and the fixed stop lever and the fixed stop block jointly position the position of the test vehicle on the supporting platform.
Optionally, the supporting plate is further provided with a movable stop lever and a movable stop block, and the movable stop lever is arranged opposite to the fixed stop lever and is positioned at the rear end of the supporting plate; the movable stop block is arranged opposite to the fixed stop block and is positioned on the other side of the supporting plate; the movable stop lever and the movable stop block are detachably connected with the supporting plate.
Optionally, the fixed stop lever, the fixed stop block and the movable stop lever are all provided with a pressure sensor.
Optionally, the fixed blocking rod and the movable blocking rod are both provided with two pressure sensors, the two pressure sensors on the fixed blocking rod are respectively arranged corresponding to two front wheels of the test vehicle, and the two pressure sensors on the movable blocking rod are respectively arranged corresponding to two rear wheels of the test vehicle;
the fixed stop blocks are arranged in two, the two fixed stop blocks are respectively arranged corresponding to one front wheel and one rear wheel which are positioned on the same side of the test vehicle, and each fixed stop block is provided with one pressure sensor.
Optionally, the inclination angle of the supporting platform relative to the base is 0-90 °.
Optionally, the unmanned vehicle overturn testing device further comprises a control box, and the turnover mechanism, the angle tester and each pressure sensor are electrically connected with the control box.
The utility model has the advantages that:
the utility model provides an unmanned vehicle test device that topples, through rotating supporting platform and base to be connected, tilting mechanism can drive the relative base slope of supporting platform in real time, not only can satisfy the unmanned vehicle's of different grade type angle of toppling test, can testify out the biggest angle of toppling of test vehicle moreover. The supporting platform comprises a supporting plate and a testing bottom plate, the supporting plate is connected with the base and the turnover mechanism, the testing bottom plate is arranged on one side, away from the base, of the supporting plate, and the supporting plate is detachably connected with the testing bottom plate. The overturning angles of the automatic driving vehicle under different road surface forms are tested by replacing the testing bottom plate. The utility model provides an unmanned vehicle overturning testing device, which can test the overturning angles of different types of automatic driving vehicles under different road surface forms, and has simple structure and low cost; the universality and the testing efficiency of the unmanned vehicle overturn testing device are improved.
Drawings
Fig. 1 is a schematic structural diagram of an unmanned vehicle overturn testing device provided in an embodiment of the present invention;
fig. 2 is a top view of the unmanned vehicle overturn testing device provided by the embodiment of the present invention.
In the figure:
1. a base; 2. a support platform; 3. a turnover mechanism; 4. an angle tester; 5. fixing the stop lever; 6. moving the stop lever; 7. fixing a stop block; 8. moving the stop block; 9. testing the vehicle; 10. and a control box.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1 and fig. 2, the present embodiment provides an unmanned vehicle overturn testing device, which includes a base 1, a supporting platform 2 and a turnover mechanism 3, wherein the supporting platform 2 is rotatably connected to the base 1, and the turnover mechanism 3 can drive the supporting platform 2 to incline relative to the base 1. Supporting platform 2 includes backup pad and test bottom plate, and the backup pad is connected with base 1 and tilting mechanism 3, and the test bottom plate sets up in the backup pad and keeps away from one side of base 1, and the backup pad can be dismantled with the test bottom plate and be connected.
The unmanned vehicle that this embodiment provided test device that topples through rotating supporting platform 2 and base 1 and being connected, tilting mechanism 3 can drive the relative base 1 slope of supporting platform 2 in real time, not only can satisfy the unmanned vehicle's of different grade type the angle of overturning test, can testwork out the biggest angle of overturning of test vehicle 9 moreover. Supporting platform 2 includes backup pad and test bottom plate, and the backup pad is connected with base 1 and tilting mechanism 3, and the test bottom plate sets up in the backup pad and keeps away from one side of base 1, and the backup pad can be dismantled with the test bottom plate and be connected, through changing the test bottom plate, tests the angle of overturning of autopilot vehicle under different road surface forms. The unmanned vehicle overturning testing device provided by the embodiment can test overturning angles of different types of automatic driving vehicles under different road surface forms, and is simple in structure and low in cost; the universality and the testing efficiency of the unmanned vehicle overturn testing device are improved.
In this embodiment, the backup pad is rotated with base 1 along width direction's one side and is connected, and tilting mechanism 3 includes two pneumatic cylinders, and the stiff end of two pneumatic cylinders is installed respectively in base 1 along length direction's both ends, and two hydraulic stems connect respectively in the backup pad along length direction's both ends, and the hydraulic stem extension drives the backup pad and keeps away from the direction motion of base 1 along width direction's another side direction for the relative base 1 slope of backup pad. In this embodiment, tilting mechanism 3 can drive the inclination of supporting platform 2 relative to base 1 and be 0 ~ 90, can satisfy the overturning angle of the unmanned car of different grade type. Of course, in other embodiments, the fixed ends of the two hydraulic cylinders may be connected to the supporting plate, and the hydraulic rod is connected to the base 1. The turnover mechanism 3 can also be an electric push rod or a connecting rod and other driving mechanisms.
For the test unmanned vehicle in the angle of overturning under the different road surface forms, the test bottom plate includes road surface characteristic layer and fixed bed, and the road surface characteristic layer sets up in the upper surface of fixed bed, and the fixed bed can be dismantled with the backup pad and be connected. The pavement characteristic layer can construct different pavement characteristic layers according to the surface requirements of different roads; the pavement characteristic layer is embedded in the fixed layer in an interference fit mode, and the fixed layer and the supporting plate are detachably connected through bolts, so that the test bottom plate can be replaced according to different test requirements.
Preferably, the pavement feature layer is a cement layer or an asphalt layer. The pavement characteristic layer of the cement layer or the asphalt layer is closer to the actual walking pavement of the unmanned vehicle, and the test of the overturning angle is more accurate. Of course, in the present embodiment, the road surface feature layer is not limited to the cement layer or the asphalt layer, and may be another road surface feature layer such as rubber.
In order to improve the accuracy and the test precision of the measurement of the overturning angle of the unmanned vehicle, the unmanned vehicle overturning test device further comprises an angle tester 4, and the angle tester 4 is installed on the supporting plate and used for detecting the inclination angle of the supporting platform 2 relative to the base 1. In the process that the turnover mechanism 3 drives the supporting platform 2 to move relative to the base 1, the angle tester 4 can monitor the inclination angle of the supporting platform 2 relative to the base 1 in real time. The angle tester 4 is an angle sensor, the measurement precision of the angle sensor is 0.1-0.3 degrees, the installation position of the angle sensor is fixed and is not influenced by external conditions, and the accuracy and precision requirements of the test angle are ensured.
In this embodiment, still be provided with fixed pin 5 and fixed dog 7 in the backup pad, fixed pin 5 is located the front end of backup pad, and fixed dog 7 sets up in the backup pad, and is located one side that supporting platform 2 and base 1 rotate to be connected, and fixed pin 5 and fixed dog 7 fix a position test vehicle 9 on supporting platform 2 jointly.
To facilitate the test vehicle 9 entering the test floor and to ensure stability during tilting of the support plate. Preferably, the supporting plate is also provided with a movable stop lever 6 and a movable stop block 8, and the movable stop lever 6 is arranged opposite to the fixed stop lever 5 and is positioned at the rear end of the supporting plate; the movable stop block 8 is arranged opposite to the fixed stop block 7 and is positioned at the other side of the supporting plate; the movable stop lever 6 and the movable stop block 8 are both detachably connected with the supporting plate. Test vehicle 9 rolls into the backup pad from the rear end of backup pad, roll into the test bottom plate completely when test vehicle 9, two front wheels of test vehicle 9 all with fixed pin 5 butt, lie in behind one front wheel and a rear wheel and the butt of fixed dog 7 with one side, will remove the rear end that pin 6 is fixed in the backup pad, with the rear end of location test vehicle 9, it is provided with two to remove dog 8, two remove dog 8 and be fixed in the opposite side of backup pad, set up with two fixed dog 8 one-to-ones, with the opposite side of location test vehicle 9, thereby guarantee the stability of test vehicle 9 in the test procedure.
In order to more accurately grasp the pressure change of the test vehicle 9 in the tilting process of the supporting plate and accurately judge the overturning critical state of the test vehicle 9, the overturning mechanism 3 is stopped to continue driving in time, and the damage caused by the overturning of the test vehicle 9 is avoided, so that testers are endangered. Pressure sensors are arranged on the fixed stop lever 5, the fixed stop 7 and the movable stop lever 6.
Specifically, two pressure sensors are respectively arranged on the fixed stop lever 5 and the movable stop lever 6, the two pressure sensors on the fixed stop lever 5 respectively correspond to two front wheel settings of the test vehicle 9, and the two pressure sensors on the movable stop lever 6 respectively correspond to two rear wheel settings of the test vehicle 9. The fixed stop dogs 7 are provided with two, the two fixed stop dogs 7 are respectively arranged corresponding to a front wheel and a rear wheel of the test vehicle 9 on the same side, and each fixed stop dog 7 is provided with a pressure sensor. In the process that the turnover mechanism 3 drives the supporting platform 2 to move relative to the base 1, the maximum overturning angle of the test vehicle 9 can be tested by monitoring whether the pressure value of the pressure sensor on the fixed stop block 7 changes or not in real time.
In this embodiment, the unmanned vehicle overturn testing device further comprises a control box 10, and the turnover mechanism 3, the angle tester 4 and each pressure sensor are electrically connected with the control box 10. The control box 10 is provided with a control button and a test value display interface, and the control button is electrically connected with the turnover mechanism 3 and used for controlling the turnover mechanism 3 to act; the angle tester 4 and each pressure sensor are electrically connected with the test value display interface, and the numerical values of the angle tester 4 and each pressure sensor are displayed through the test value display interface. It should be noted that the connection manner and the operation principle of the control box 10, the turnover mechanism 3, the angle tester 4 and each pressure sensor are already the prior art, and are not described herein again.
The working process of the unmanned vehicle overturn testing device provided by the embodiment is as follows:
(1) during the test, test vehicle 9 drives into the test bottom plate from the rear end of supporting platform 2, drives into the test bottom plate completely when test vehicle 9, and two front wheels of test vehicle 9 all with fixed pin 5 butt, lie in with a front wheel and a rear wheel of one side respectively with two fixed dog 7 butt backs, will remove pin 6 and be fixed in the rear end of backup pad, two remove the opposite side that dog 8 is fixed in the backup pad.
(2) Two front wheels of a test vehicle 9 are both contacted with a fixed stop lever 5, two pressure sensors arranged on the fixed stop lever 5 are both subjected to pressure, and the pressure values are unchanged in a short time, so that the two front wheels are considered to be fixed; when two rear wheels of the test vehicle 9 are in contact with the movable stop lever 6, two pressure sensors installed on the movable stop lever 6 are all subjected to pressure, and the pressure value is unchanged in a short time, then the two rear wheels are considered to be fixed.
(3) After two front wheels and two rear wheels of test vehicle 9 are all fixed, start the test procedure that topples, tilting mechanism 3 drive backup pad motion, will test vehicle 9 jacking, test vehicle 9 is along with supporting platform 2's slope, and the eccentricity increases, leads to test vehicle 9 and the fixed dog 7 contact of backup pad one side, and in two fixed dogs 7, pressure sensor numerical value on one of them changes, then thinks that test vehicle 9 the phenomenon of toppling appears, tilting mechanism 3 stops the drive.
(4) And recording the display value of the angle tester 4 on the test value display interface, wherein the display value of the angle tester 4 is the overturning angle of the test vehicle 9.
(5) The turnover mechanism 3 is controlled to descend to the horizontal position at a set speed.
(6) The movable stop lever 6 and the movable stopper 8 are removed and the test vehicle 9 is driven out of the test floor.
And if the overturning angles of different road surface forms need to be tested, replacing the testing bottom plate, and then continuing to test according to the steps.
It should be noted that, in the present embodiment, the lifting speed of the turnover mechanism 3 is adjustable, and the set speed of the turnover mechanism 3 can be set according to actual conditions through the control of the control box 10.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. The unmanned vehicle overturn testing device is characterized by comprising a base (1), a supporting platform (2) and a turnover mechanism (3), wherein the supporting platform (2) is rotatably connected with the base (1), and the turnover mechanism (3) can drive the supporting platform (2) to incline relative to the base (1);
the supporting platform (2) comprises a supporting plate and a testing bottom plate, the supporting plate is connected with the base (1) and the turnover mechanism (3), the testing bottom plate is arranged on one side, away from the base (1), of the supporting plate, and the supporting plate is detachably connected with the testing bottom plate.
2. The unmanned vehicle overturn testing device of claim 1, wherein the testing base plate comprises a pavement characteristic layer and a fixed layer, the pavement characteristic layer is arranged on the upper surface of the fixed layer, and the fixed layer is detachably connected with the supporting plate.
3. The unmanned vehicle overturn testing device of claim 2, wherein the pavement feature layer is a cement layer or an asphalt layer.
4. The unmanned vehicle overturn testing device of claim 1, further comprising an angle tester (4), wherein the angle tester (4) is installed on the supporting plate, and the angle tester (4) is used for detecting the inclination angle of the supporting platform (2) relative to the base (1).
5. The unmanned vehicle overturn testing device of claim 1, characterized in that a fixed stop lever (5) and a fixed stop block (7) are further arranged on the supporting plate, the fixed stop lever (5) is located at the front end of the supporting plate, the fixed stop block (7) is arranged on the supporting plate and is located on one side of the supporting platform (2) rotatably connected with the base (1), and the fixed stop lever (5) and the fixed stop block (7) jointly position a testing vehicle (9) on the supporting platform (2).
6. The unmanned vehicle overturn testing device of claim 5, wherein a movable stop lever (6) and a movable stop block (8) are further arranged on the supporting plate, and the movable stop lever (6) is arranged opposite to the fixed stop lever (5) and is positioned at the rear end of the supporting plate; the movable stop block (8) is arranged opposite to the fixed stop block (7) and is positioned at the other side of the supporting plate; the movable stop lever (6) and the movable stop block (8) are detachably connected with the supporting plate.
7. The unmanned vehicle overturn testing device of claim 6, wherein pressure sensors are arranged on the fixed stop lever (5), the fixed stop block (7) and the movable stop lever (6).
8. The unmanned vehicle overturn testing device of claim 7, wherein two pressure sensors are arranged on the fixed stop lever (5) and the movable stop lever (6), the two pressure sensors on the fixed stop lever (5) are respectively arranged corresponding to two front wheels of the test vehicle (9), and the two pressure sensors on the movable stop lever (6) are respectively arranged corresponding to two rear wheels of the test vehicle (9);
the two fixed stop blocks (7) are arranged, the two fixed stop blocks (7) are respectively arranged corresponding to one front wheel and one rear wheel which are positioned on the same side of the test vehicle (9), and each fixed stop block (7) is provided with one pressure sensor.
9. The unmanned vehicle overturn testing device of claim 1, wherein the inclination angle of the supporting platform (2) relative to the base (1) is 0-90 °.
10. The unmanned vehicle overturn testing apparatus of any one of claims 1 to 9, further comprising a control box (10), wherein the turnover mechanism (3), the angle tester (4) and each pressure sensor are electrically connected to the control box (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120047188.0U CN214010755U (en) | 2021-01-08 | 2021-01-08 | Unmanned vehicle overturning testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120047188.0U CN214010755U (en) | 2021-01-08 | 2021-01-08 | Unmanned vehicle overturning testing device |
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| CN214010755U true CN214010755U (en) | 2021-08-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740083A (en) * | 2021-11-04 | 2021-12-03 | 江苏英拓动力科技有限公司 | Unmanned tracked vehicle test platform |
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2021
- 2021-01-08 CN CN202120047188.0U patent/CN214010755U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740083A (en) * | 2021-11-04 | 2021-12-03 | 江苏英拓动力科技有限公司 | Unmanned tracked vehicle test platform |
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Effective date of registration: 20230506 Address after: 100000 1703, floor 17, building 1, No. 10, Ronghua Middle Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing (Yizhuang group, high-end industrial area of Beijing Pilot Free Trade Zone) Patentee after: NEOLIX TECHNOLOGIES Co.,Ltd. Address before: 101399 room 566, 5th floor, building 6, courtyard 17, Lifu street, Beixiaoying Town, Shunyi District, Beijing Patentee before: Neolithic Huiyi Zhixing Zhichi (Beijing) Technology Co.,Ltd. |