CN104697802A - Vehicle trip-over test bench and testing method - Google Patents
Vehicle trip-over test bench and testing method Download PDFInfo
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- CN104697802A CN104697802A CN201510137253.8A CN201510137253A CN104697802A CN 104697802 A CN104697802 A CN 104697802A CN 201510137253 A CN201510137253 A CN 201510137253A CN 104697802 A CN104697802 A CN 104697802A
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- 238000012360 testing method Methods 0.000 title claims abstract description 118
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- 238000010998 test method Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 abstract description 2
- 230000000979 retarding effect Effects 0.000 description 4
- 206010017577 Gait disturbance Diseases 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
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- 238000009863 impact test Methods 0.000 description 1
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Abstract
The invention discloses a vehicle trip-over test bench and a testing method. The test bench comprises a platform for positioning a tested vehicle, and a bottom frame for supporting the platform; the front end of the platform is movably connected with the bottom frame; the rear end of the platform is connected with the bottom frame through a positioning mechanism or a supporting mechanism; a traction device is connected to the bottom frame. The testing method is that various trip-over collision tests of the vehicle are carried out through the test bench. With the adoption of the test bench and the testing method, the Trip over test of the tested vehicle and the trip-over test as specified by the regulations FMVSS208 can be achieved; meanwhile, the demand of different-angle trip-over test can be met; the test bench has generality, the device utilization rate can be increased, and the cost can be effectively decreased.
Description
Technical field
The present invention relates to vehicle impact testing technology, be specifically related to a kind of vehicle wheel rollover test stand and test method.
Background technology
In order to satisfied different market, different user are to the needs of vehicle safety performance, need to carry out a large amount of tests to verify the security performance of vehicle in automobile research process.Comprise the test that regulation forces class test, NCAP evaluates class test and various particular type.In order to investigate the security performance of vehicle vehicle when occurrence dynamics rolls, need to carry out dissimilar tumbling test, each test needs specific test unit and equipment, and such experimentation cost is higher.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide one to have multi-functional, the test of multiple roll-over crash can be realized, the vehicle wheel rollover test stand effectively reduced costs and test method.
To achieve these goals, the technical solution used in the present invention is:
This vehicle rollover testing table, comprises the platform putting test vehicle and the underframe supporting described platform, and described platform front end and described underframe are flexibly connected, and described platform rear end is connected by detent mechanism or supporting mechanism with described underframe; Described underframe is connected with draw-gear.
Described platform and surface level are 0-23 ° of angle.
Described platform front end is provided with front apron adjustable with platform link position; Described platform rear end is provided with spacing crossbeam adjustable with platform both sides link position; Described spacing crossbeam is provided with and the adjustable limiting plate of spacing crossbeam link position.
Both sides are respectively equipped with brake baffle in described underframe rear end; Decelerating area, tumbling test place is provided with and the braking energy-absorbing cylinder of described brake baffle making contact and brake holder.
Described draw-gear is be connected to the trailer wagon on end, described underframe rear end, and end, described underframe rear end is provided with the connection latch closure be connected with trailer wagon.
Described underframe bottom is provided with rolling rubber wheel.
Described underframe front and back end is respectively equipped with slide rail set by pulley and test site and coordinates formation guiding mechanism.
Described platform front end is provided with the two baffle plate mounting holes be connected above and described front apron; Both sides, described platform rear end are respectively equipped with the two crossbeam mounting holes that above and spacing crossbeam are connected; Described spacing crossbeam is provided with two to the above limiting plate mounting hole be connected with limiting plate.
Described platform comprises the two pieces of back up pads be supported on below test vehicle tire, two pieces of back up pad front ends and underframe hinged, two pieces of back up pad rear ends are linked into an integrated entity by crossbeam, and two pieces of back up pad rear ends are connected by support bar or register pin with underframe respectively.
A kind of vehicle rollover test method, utilize above-mentioned vehicle rollover testing table to realize, specific operation process is:
Test vehicle is placed on platform, between adjustment platform and underframe after angle, platform and underframe is fixed;
Control the trailer wagon speed of a motor vehicle, trailer wagon moves and makes brake baffle and the collision of braking energy-absorbing cylinder, and test vehicle rolls from platform, and the vehicle condition of registration of vehicle under difference rolling angle, makes anticipation to car load tumbling test security performance.
The invention has the advantages that: this vehicle rollover testing table, platform front end and underframe are flexibly connected, and the angle of platform and surface level can according to the adjustment of test demand; This vehicle rollover testing table can realize the tumbling test that stumbling of test vehicle turns over (Trip over) test and FMVSS208 rules and regulations simultaneously, can also meet the demand of different angles tumbling test simultaneously; This testing table has versatility, can improve plant factor, effectively reduce costs.
Accompanying drawing explanation
Mark in the content expressed each width accompanying drawing of instructions of the present invention below and figure is briefly described:
Fig. 1 is the working state figure of vehicle rollover testing table of the present invention when carrying out Trip over tumbling test.
Fig. 2 is the working state figure of vehicle rollover testing table of the present invention when carrying out FMVSS208 tumbling test.
Fig. 3 be vehicle rollover testing table of the present invention when retarding braking with braking energy absorption device relative position constitutional diagram.
Mark in above-mentioned figure is:
1, platform, 2, front apron, 3, limiting plate, 4, spacing crossbeam, 5, underframe, 6, support bar, 7, brake holder, 8, braking energy-absorbing cylinder, 9, brake baffle, 10, rolling rubber wheel, 11, crossbeam, 12, connect latch closure.
Embodiment
Contrast accompanying drawing below, by the description to optimum embodiment, the specific embodiment of the present invention is described in further detail.
As shown in Figure 1-Figure 3, this vehicle rollover testing table, comprise and put the platform 1 of test vehicle and the underframe 5 of support platform 1, platform 1 front end and underframe 5 are flexibly connected, and platform 1 rear end is connected by detent mechanism or supporting mechanism with underframe 5; Underframe 5 is connected with draw-gear.Platform 1 front end and underframe 5 are flexibly connected, and the angle between platform 1 and underframe 5 according to the adjustment of test demand, can be adjusted rear platform 1 and be connected by detent mechanism or supporting mechanism with underframe 5; Put by test vehicle on platform 1, draw-gear traction underframe 5 and platform 1 move, and realize the tumbling test of test vehicle, make anticipation to car load tumbling test security performance.Because the angle between platform 1 and underframe 5 can adjust, this vehicle rollover testing table can realize the tumbling test that stumbling of test vehicle turns over (Trip over) test and FMVSS208 rules and regulations simultaneously, can not only reduce costs, and can plant factor be improved.
Platform 1 and surface level are 0-23 ° of angle; Between platform 1 and surface level, angle adjusts between 0-23 °, to adapt to Trip over and the requirement of FMVSS208 tumbling test.Tumbling test platform is divided into platform 1 and underframe 5 two parts, platform 1 and underframe 5 front end make to be hinged, and rear end is connected by support bar 6 or register pin; By adjusting the length of support bar 6 to reach different rolling angles (0 ° ~ 23 °), to meet the demand of FMVSS208 tumbling test and Trip over tumbling test.When platform 1 and horizontal plane angle are 0 °, platform 1 is connected by detent mechanism with underframe 5, and preferred orientation mechanism is register pin.Platform 1 and horizontal plane angle are greater than 0 ° when being less than or equal to 23 °, and platform 1 is connected by supporting mechanism with underframe 5, and preferred supporting mechanism is support bar 6, by adopting different length support bar 6, the adjustment of angle between implementation platform 1 and underframe 5.
Platform 1 front end is provided with front apron 2 adjustable with platform 1 link position; Platform 1 rear end is provided with spacing crossbeam 4 adjustable with platform 1 both sides link position; Spacing crossbeam 4 is provided with and the adjustable limiting plate 3 of spacing crossbeam 4 link position.Front apron 2 realizes the spacing of test vehicle side, and spacing crossbeam 4 and limiting plate 3 are used for realizing the location of test vehicle opposite side.The link position of front apron 2, spacing crossbeam 4 and limiting plate 3 can adjust, and can meet the location requirement of different wheelspan and wheelbase test vehicle, improves versatility and the utilization factor of equipment.
Platform 1 front end is provided with two to the above baffle plate mounting hole be connected with front apron 2; Both sides, platform 1 rear end are respectively equipped with the two crossbeam mounting holes be connected above and spacing crossbeam 4, both sides, platform 1 rear end are provided with guide chute, and spacing crossbeam 4 is fixed by crossbeam mounting hole after sliding on guide chute; Spacing crossbeam 4 is provided with two to the above limiting plate mounting hole be connected with limiting plate 3.Front apron 2 is by selecting to be connected with different baffle plate mounting holes, to realize the adjustment with platform 1 link position; Spacing crossbeam 4 is by selecting to be connected with different crossbeam mounting holes, to realize the adjustment with platform 1 both sides link position; Limiting plate 3 is by selecting to be connected with different limiting plate mounting holes, to realize the adjustment with spacing crossbeam 4 link position.
Both sides are respectively equipped with brake baffle 9 in underframe 5 rear end; Decelerating area, tumbling test place is provided with and the braking energy-absorbing cylinder 8 of brake baffle 9 making contact and brake holder 7.When testing and preparing, brake holder 7 and braking energy-absorbing cylinder 8 are installed to decelerating area, in testing table operational process, the brake baffle 9 on underframe 5 contacts with braking energy-absorbing cylinder 8, by conquassation braking energy-absorbing cylinder 8 to reach the effect of retarding braking.Vehicle will roll, testing table must obtain enough large retarded velocity at short notice, in order to reduce the center of gravity of testing table, the stability that warranty test platform runs, brake area is set to the both sides of underframe 5, contact with the energy-absorbing cartridge fixed on the ground, braked by conquassation braking energy-absorbing cylinder 8.Braking each four groups of energy-absorbing cylinder 8 both sides, length is successively decreased successively, is respectively 900mm, 750mm, 600mm, 500mm.
Draw-gear is be connected to the trailer wagon on end, underframe 5 rear end, and end, underframe 5 rear end is provided with the connection latch closure 12 be connected with trailer wagon.Testing table activation point is positioned at the rear portion of testing table, and be connected with trailer wagon by a connection latch closure 12 closed on end, underframe 5 rear end, ensure in distraction procedure, testing table and draw-gear can not depart from.
Underframe 5 bottom is provided with rolling rubber wheel 10.In order to warranty test platform is stable in traction accelerator, in each load-bearing position of underframe 5 of lower testing table, the rolling rubber wheel 10 that 10 diameters are 250mm is installed.
Underframe 5 front and back end is respectively equipped with slide rail set by pulley and test site and coordinates formation guiding mechanism.In order to prevent testing table from offseting in traction accelerator, a guiding mechanism is respectively installed, with the sideway movement of limit assay platform in underframe 5 rear and front end of testing table.
Platform 1 comprises the two pieces of back up pads be supported on below test vehicle tire, two pieces of back up pad front ends and underframe 5 hinged, two pieces of back up pad rear ends are linked into an integrated entity by crossbeam 11, and two pieces of back up pad rear ends are connected by support bar 6 or register pin with underframe 5 respectively.Platform 1, for putting test vehicle, puts demand with what meet the vehicle of different length and width.Platform 1 is made up of the flat board of long 2500mm, wide 5000mm, and dull and stereotyped center section is emptied, to alleviate quality, cost-saving.Platform 1 front end and centre are provided with the stop means that front apron 2, spacing crossbeam 4 and limiting plate 3 are formed, and ensure that vehicle keeps stable in traction accelerator.
Underframe 5 is main bearing part, and the traction also for platform 1 connects and braking.Firmly take into account light-weighted consideration in order to what ensure underframe 5, the weight-bearing areas of underframe 5 and use the steel pipe of 80mm × 60mm to make for the region of retarding braking, other positions use the steel pipe of 60mm × 40mm to make simultaneously.Underframe 5 size: long 3000mm, wide 6000mm.
This vehicle rollover testing table, utilize above-mentioned vehicle rollover testing table to realize, specific operation process is: be placed into by test vehicle on platform 1, between adjustment platform 1 and underframe 5 after angle, platform 1 and underframe 5 is fixed; Control the trailer wagon speed of a motor vehicle, trailer wagon moves and brake baffle 9 and braking energy-absorbing cylinder 8 is collided, and test vehicle rolls from platform 1, and the vehicle condition of registration of vehicle under difference rolling angle, makes anticipation to car load tumbling test security performance.
Fig. 1 is the working state schematic representation of vehicle rollover testing table of the present invention when carrying out Trip over tumbling test.Set level by platform 1, platform 1 and underframe 5 rear end register pin are connected firmly.The front apron 2 of proper height is selected according to testing requirements.According to the size of vehicle, front apron 2, spacing crossbeam 4 and limiting plate 3 are adjusted to suitable position by the information such as wheelspan, wheelbase; Vehicle is placed into platform 1, adjustment vehicle-state, and by fastening to front apron 2, spacing crossbeam 4 and limiting plate 3, ensure that vehicle can not slide in the trailed process of platform 1, so far Trip over tumbling test platform 1 is ready.
Fig. 2 is the working state schematic representation of vehicle rollover testing table of the present invention when carrying out FMVSS208 tumbling test.Set level by platform 1, selection is highly the front apron 2 of 200mm, and according to the size of vehicle, front apron 2, spacing crossbeam 4 and limiting plate 3 are adjusted to suitable position by the information such as wheelspan, wheelbase; Vehicle is placed into platform 1, adjustment vehicle-state, and by fastening to front apron 2, spacing crossbeam 4 and limiting plate 3, ensures that vehicle can not slide in the trailed process of platform 1.Again by platform 1 slowly lifting, select suitable support bar 6 to be connected with underframe 5 rear end by platform 1, ensure that platform 1 is 23 ° with the angle of surface level, so far FMVSS208 tumbling test platform 1 is ready.
Fig. 3 is tumbling test platform when braking and the relative position schematic diagram of clamping device, when testing and preparing, brake holder 7 and braking energy-absorbing cylinder 8 are fixed to decelerating area, in testing table operational process, the brake baffle 9 of underframe 5 contacts with braking energy-absorbing cylinder 8, by conquassation braking energy-absorbing cylinder 8 to reach the effect of retarding braking.
This vehicle rollover testing table, sets level platform 1, and the position of adjustment front apron 2 and height, can meet the requirement of Trip over tumbling test; Platform 1 is upwards raised to 23 ° of adjustment front apron 2 positions and height, the requirement of FMVSS208 tumbling test can be met; Also can adjust the length of support bar 6 as required, meet the demand of different angles tumbling test; Checking brake is set to the both sides of platform 1, significantly reduces the center of gravity of platform 1, improve the stability of platform 1 in traction travels.This vehicle rollover testing table, has versatility, can improve plant factor, effectively reduce costs.
Obvious specific implementation of the present invention is not subject to the restrictions described above, as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out, all within protection scope of the present invention.
Claims (10)
1. a vehicle rollover testing table, is characterized in that: comprise the platform putting test vehicle and the underframe supporting described platform, and described platform front end and described underframe are flexibly connected, and described platform rear end is connected by detent mechanism or supporting mechanism with described underframe; Described underframe is connected with draw-gear.
2. vehicle rollover testing table as claimed in claim 1, is characterized in that: described platform and surface level are 0-23 ° of angle.
3. vehicle rollover testing table as claimed in claim 2, is characterized in that: described platform front end is provided with front apron adjustable with platform link position; Described platform rear end is provided with spacing crossbeam adjustable with platform both sides link position; Described spacing crossbeam is provided with and the adjustable limiting plate of spacing crossbeam link position.
4. vehicle rollover testing table as claimed in claim 1, is characterized in that: both sides are respectively equipped with brake baffle in described underframe rear end; Decelerating area, tumbling test place is provided with and the braking energy-absorbing cylinder of described brake baffle making contact and brake holder.
5. the vehicle rollover testing table as described in any one of claim 1-4, is characterized in that: described draw-gear is be connected to the trailer wagon on end, described underframe rear end, and end, described underframe rear end is provided with the connection latch closure be connected with trailer wagon.
6. vehicle rollover testing table as claimed in claim 5, is characterized in that: described underframe bottom is provided with rolling rubber wheel.
7. vehicle rollover testing table as claimed in claim 6, is characterized in that: described underframe front and back end is respectively equipped with slide rail set by pulley and test site and coordinates formation guiding mechanism.
8. vehicle rollover testing table as claimed in claim 3, is characterized in that: described platform front end is provided with the two baffle plate mounting holes be connected above and described front apron; Both sides, described platform rear end are respectively equipped with the two crossbeam mounting holes that above and spacing crossbeam are connected; Described spacing crossbeam is provided with two to the above limiting plate mounting hole be connected with limiting plate.
9. vehicle rollover testing table as claimed in claim 8, it is characterized in that: described platform comprises the two pieces of back up pads be supported on below test vehicle tire, two pieces of back up pad front ends and underframe hinged, two pieces of back up pad rear ends are linked into an integrated entity by crossbeam, and two pieces of back up pad rear ends are connected by support bar or register pin with underframe respectively.
10. a vehicle rollover test method, utilizes the vehicle rollover testing table described in any one of claim 1-9 to realize, it is characterized in that: specific operation process is:
Test vehicle is placed on platform, between adjustment platform and underframe after angle, platform and underframe is fixed;
Control the trailer wagon speed of a motor vehicle, trailer wagon moves and makes brake baffle and the collision of braking energy-absorbing cylinder, and test vehicle rolls from platform, and the vehicle condition of registration of vehicle under difference rolling angle, makes anticipation to car load tumbling test security performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510137253.8A CN104697802A (en) | 2015-03-26 | 2015-03-26 | Vehicle trip-over test bench and testing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510137253.8A CN104697802A (en) | 2015-03-26 | 2015-03-26 | Vehicle trip-over test bench and testing method |
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| CN104697802A true CN104697802A (en) | 2015-06-10 |
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| CN201510137253.8A Pending CN104697802A (en) | 2015-03-26 | 2015-03-26 | Vehicle trip-over test bench and testing method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153007A (en) * | 2017-06-20 | 2017-09-12 | 江苏科技大学 | A kind of sitting type hay mover tumbling test platform and test method |
| CN107357242A (en) * | 2017-06-20 | 2017-11-17 | 江苏科技大学 | A kind of hay mover tumbling test platform remote control system and method |
| CN109870314A (en) * | 2019-03-19 | 2019-06-11 | 南京理工大学 | A kind of chair vertical falls simulating vehicle roll and experimental rig occurs |
| CN112345271A (en) * | 2020-11-10 | 2021-02-09 | 广州汽车集团股份有限公司 | Vehicle dynamic rolling test equipment and method thereof |
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| US6651482B1 (en) * | 2000-12-15 | 2003-11-25 | Exponent, Inc. | Apparatus and method for vehicle rollover crash testing |
| CN201277913Y (en) * | 2008-09-23 | 2009-07-22 | 中国汽车工程研究院有限公司 | Side tuning experiment platform with slope |
| CN202793801U (en) * | 2012-08-31 | 2013-03-13 | 浙江吉利汽车研究院有限公司杭州分公司 | Traction device for automobile rollover test |
| CN103278333A (en) * | 2013-03-01 | 2013-09-04 | 马鞍山市恒毅机械制造有限公司 | Rolling trolley for vehicle rolling test |
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2015
- 2015-03-26 CN CN201510137253.8A patent/CN104697802A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4238959A (en) * | 1979-02-14 | 1980-12-16 | Mccann John C | Automobile suspension dynamic simulator |
| US6651482B1 (en) * | 2000-12-15 | 2003-11-25 | Exponent, Inc. | Apparatus and method for vehicle rollover crash testing |
| CN201277913Y (en) * | 2008-09-23 | 2009-07-22 | 中国汽车工程研究院有限公司 | Side tuning experiment platform with slope |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153007A (en) * | 2017-06-20 | 2017-09-12 | 江苏科技大学 | A kind of sitting type hay mover tumbling test platform and test method |
| CN107357242A (en) * | 2017-06-20 | 2017-11-17 | 江苏科技大学 | A kind of hay mover tumbling test platform remote control system and method |
| CN107357242B (en) * | 2017-06-20 | 2019-08-23 | 江苏科技大学 | A kind of grass trimmer tumbling test platform remote control system and method |
| CN109870314A (en) * | 2019-03-19 | 2019-06-11 | 南京理工大学 | A kind of chair vertical falls simulating vehicle roll and experimental rig occurs |
| CN112345271A (en) * | 2020-11-10 | 2021-02-09 | 广州汽车集团股份有限公司 | Vehicle dynamic rolling test equipment and method thereof |
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Application publication date: 20150610 |
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