CN106353062A - Flexible-leg reverse-impact dynamic calibration device and test method - Google Patents
Flexible-leg reverse-impact dynamic calibration device and test method Download PDFInfo
- Publication number
- CN106353062A CN106353062A CN201610829822.XA CN201610829822A CN106353062A CN 106353062 A CN106353062 A CN 106353062A CN 201610829822 A CN201610829822 A CN 201610829822A CN 106353062 A CN106353062 A CN 106353062A
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- China
- Prior art keywords
- flexible leg
- dynamic calibration
- leg
- flexible
- emission system
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
Abstract
The invention provides a flexible-leg reverse-impact dynamic calibration device. The flexible-leg reverse-impact dynamic calibration device comprises a flexible leg suspension device, a flexible leg, a launching system and an impact block, wherein the flexible leg is vertical suspended onto the flexible leg suspension device, the launching system is used for launching the impact block and allowing the regulated-mass impact block to horizontally and directly impact a preset impact point of the flexible leg at regulated speed, and the flexible leg can be separated from the flexible leg suspension device in a certain period time after the flexible leg is impacted and flies freely. The invention further provides a flexible-leg reverse-impact dynamic calibration test method which uses the flexible-leg reverse-impact dynamic calibration device to perform a test. The method includes: allowing the flexible leg to be vertically suspended onto the flexible leg suspension device; allowing the launching system to horizontally and directly face the preset impact point of the flexible leg; starting the launching system to allow the impact block to horizontally and directly impact the preset impact point of the flexible leg at the regulated speed.
Description
Technical field
The present invention relates to automobile technical field, and particularly to a kind of flexible leg reverse impact dynamic calibration apparatus and
Test method.
Background technology
Flexible leg type is that ece r127 (economic commi ssion of europe regulation 127) is new advises
Fixed pedestrian protection test lower limb type.At present, up-to-date euro-ncap (the european new car assessment
Programme) pedestrian protecting assessment routine, ece r127 pedestrains safety performance regulation all have been proposed for the pedestrian protecting of vehicle
Flexible leg type test method.The pedestrian protecting safety performance evaluation of vehicle will all comprise flexible leg type and test one.
Meanwhile, according to ece r127 pedestrains safety performance regulation content, flexible leg type needs to carry out regularly rating test,
To guarantee that flexible leg type, after a number of vehicle test, still meets laws and regulations requirement, or do not occur damaging.
Wherein the test of reverse impact dynamic calibration is the dynamic calibration test requiring in regulation.Every 30 times of laws and regulations requirement
Need after vehicle test to carry out reverse impact dynamic calibration test.The impact block of reverse impact dynamic calibration test requirements document definite quality
With the assigned position point of the shock side of the speed impacts flexible leg type of regulation, and flexible leg type needs within clashing into moment 10ms
Keep free flight state.
Existing at present similar scheme adopts single emission system, wherein demarcates emission system and the test of flexible leg type
Emission system repetition, waste of resource and money.And the control in flexible leg type free dropping moment is using signal of telecommunication triggering, but this
The impact of the velocity variations that are easily impacted, is unfavorable for the precise control in moment that comes off.
Content of the invention
In view of this, the present invention provides a kind of flexible leg reverse impact dynamic calibration apparatus, and it includes flexible leg and hangs dress
Put, flexible leg, emission system and impact block, flexible leg vertically hangs on flexible leg suspension arrangement, and emission system is used for launching
Impact block simultaneously makes the impact block of definite quality hit the predetermined rum point of flexible leg with the horizontal front of speed specifying, flexible leg exists
After shock, certain time interior energy departs from flexible leg suspension arrangement and carries out free flight.
Further, flexible leg suspension arrangement include base plate, the column being erected on base plate and from the end of column with
Perpendicular to the horizontal-extending cantilever beam of the mode of column and from the end of described cantilever beam with perpendicular to described cantilever beam and institute
State the extension bar that the mode of column extends, flexible leg vertically hangs on the end of extension bar.
Further, flexible leg includes a suspension part, and suspension part is provided with two installing holes, and a fishing line passes through two installations
Hole and be hung on flexible leg suspension arrangement.
Further, suspension part includes the two block gap certain intervals riser be arrangeding in parallel and the connection connecting two pieces of risers
Plate, two installing holes are respectively arranged on two pieces of risers.
Further, the air-bubble level whether vertical for determining flexible leg is provided with suspension part.
Further, the emission system that emission system is tested for flexible leg type.
Further, it also includes one for making the horizontal front of impact block hit the laser water of the predetermined rum point of flexible leg
Level.
Further, the present invention also provides a kind of flexible leg reverse impact dynamic calibration test method, and it is using as above institute
The flexible leg reverse impact dynamic calibration apparatus stated are tested, and it comprises the steps:
Flexible leg is vertically hung on flexible leg suspension arrangement；
Make emission system level the predetermined rum point just to flexible leg；
Start emission system, the horizontal front of the speed making impact block to specify hits the predetermined rum point of flexible leg.
Further, described flexible leg includes a suspension part, and described suspension part is provided with two installing holes, and a fishing line passes through
Described two installing holes and hang on described flexible leg suspension arrangement, methods described also comprises the steps: to adjust described suspension
The fishing line length of portion both sides is so as to equal and finally make described flexible leg be in vertical state.
Further, flexible leg reverse impact dynamic calibration apparatus also include laser leveler as above, and it also wraps
Include following steps: through predetermined shock one central axis of strokes and dots of flexible leg, first make laser leveler level just to central shaft
Line so that laser leveler and central axis are in same plane, further according to described in the position of sound production of laser leveler transmitting system
System, makes emission system and central axis be in same plane, and adjusts the direction of the launch of emission system up to level, so that hitting
Hit the predetermined rum point that the horizontal front of block energy hits flexible leg.
In sum, due to present invention employs original flexible leg test emission system, decrease and transmitting is fabricated separately
The operation of system, therefore reduces fund input.Additionally, the present invention utilizes the end of fishing line and the extension bar of flexible leg suspension arrangement
Cooperation is held to hang flexible leg, fishing line can skid off extension bar at once after flexible leg is impacted, and makes flexible leg after shock
Carry out free flight within 10ms.
Brief description
Fig. 1 is the structural representation of the flexible leg reverse impact dynamic calibration apparatus of one embodiment of the invention.
Fig. 2 is the structural representation from another perspective of this flexible leg reverse impact dynamic calibration apparatus.
Specific embodiment
Below in conjunction with drawings and Examples, the present invention will be described in further detail.It should be appreciated that it is described herein
Specific embodiment only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1-2, the flexible leg reverse impact dynamic calibration apparatus of the present invention include flexible leg suspension arrangement 1, soft
Property lower limb 2, emission system, impact block 4, air-bubble level 6 and for making the horizontal front of impact block 4 hit the predetermined of flexible leg 2
The laser leveler of rum point.
Flexible leg suspension arrangement 1 include base plate 11, the column 12 being erected on base plate 11, from the end of column 12 with vertical
The cantilever beam 13 that extends to the right in the mode level of column 12 and from the end of cantilever beam 13 with the side perpendicular to cantilever beam 13
The extension bar 14 of the horizontal forward extension of formula.Extension bar 14 is both perpendicular to cantilever beam 13 and column 12.Base plate 11 is also erect
There is the reinforcing plate 15 of triangle, the side of reinforcing plate 15 is connected with column 12, and bottom is connected with base plate 11.Additionally, in base plate 11
On be additionally provided with parallel continuous two row's bolt fixing hole 16, bolt fixing hole 16 is parallel to cantilever beam 13.Will be soft by bolt
Property lower limb suspension arrangement 1 be fixed on ferrum ground slab track.
Flexible leg 2 includes a suspension part 5, and suspension part 5 includes riser 52 and the company that two block gap certain intervals be arranged in parallel
Connect the connecting plate 53 of two pieces of risers 52, two installing holes 51 are respectively arranged on two pieces of risers 52.One fishing line passes through two installing holes
51 and flexible leg 2 is vertically hung on the end of the extension bar 14 of flexible leg suspension arrangement 1.So hit flexibility in impact block 4
During the predetermined rum point of lower limb 2, flexible leg 2 can skid off extension bar 14 at once, so that flexible leg 2 is carried out within clashing into moment 10ms
Free flight.Additionally, the upper surface in suspension part 5 is additionally provided with the air-bubble level 6 whether vertical for determining flexible leg 2.
The emission system that emission system is tested for flexible leg type, for launching impact block 4 and making the impact block 4 of definite quality
Hit the predetermined rum point of flexible leg 2 with the horizontal front of speed of regulation.Which reduce the operation that emission system is fabricated separately,
Therefore reduce fund input.
In addition, the present invention also provides a kind of flexible leg reverse impact dynamic calibration test method, carrying out, flexible leg is reverse
During impact dynamic calibration test, first pass through two installing holes 51 that flexible leg 2 is hung on flexible leg suspension arrangement 1 using fishing line
Extension bar 14 terminal edge, then adjust the fishing line length of flexible leg 2 suspension part 5 left and right sides and make it equal, observe simultaneously
Air-bubble level 6 positioned at the upper surface of flexible leg 2 shows level up to air-bubble level 6, and at this moment flexible leg 2 is in vertical shape
State.
It is then passed through predetermined shock one central axis of strokes and dots of flexible leg 2, first make laser leveler horizontal Zheng Dui center
Axis so that the laser emission point of laser leveler and central axis are in same plane, further according to the position of laser leveler
Laying emission system makes emission system and the central axis of flexible leg 2 be in same plane, and adjusts the launch party of emission system
To up to level, so that the horizontal front of impact block 4 energy hits the predetermined rum point of flexible leg 2.
Restart emission system, make the impact block 4 of 8.15kg with the speed of 40km/h using the positioning function of emission system
Horizontal front hits the predetermined rum point of described flexible leg 2.Within 10ms after shock, fishing line skids off flexible leg therewith and hangs dress
Put 1 extension bar 14, flexible leg carries out free flight, flexible leg reverse impact dynamic calibration can be carried out afterwards.
In sum, due to present invention employs original flexible leg test emission system, decrease and transmitting is fabricated separately
The operation of system, therefore reduces fund input.And the present invention utilizes original flexible leg type to test the positioning work(of emission system
Can be it is ensured that the accuracy of rum point location positioning be it is ensured that result of the test.Additionally, the present invention utilizes fishing line to hang with flexible leg
The end of the extension bar 14 of hang device 1 coordinates to hang flexible leg, and after flexible leg is impacted, fishing line can skid off at once and stretch out
Bar 14, carries out free flight within making flexible leg 10ms after shock.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of flexible leg reverse impact dynamic calibration apparatus are it is characterised in that it includes flexible leg suspension arrangement (1), flexibility
Lower limb (2), emission system and impact block (4), described flexible leg (2) vertically hangs on described flexible leg suspension arrangement (1), described
Emission system is used for launching described impact block (4) and making the described impact block (4) of definite quality with the horizontal front of speed of regulation
Hit the predetermined rum point of described flexible leg (2), in described flexible leg (2) certain time after shock, described flexible leg can be departed from
Suspension arrangement (1) simultaneously carries out free flight.
2. flexible leg reverse impact dynamic calibration apparatus as claimed in claim 1 are it is characterised in that described flexible leg hangs dress
Put (1) include base plate (11), the column (12) that is erected on described base plate (11) and from the end of described column (12) to hang down
Straight in the horizontal-extending cantilever beam (13) of the mode of described column (12) and from the end of described cantilever beam (13) with perpendicular to
The extension bar (14) that the mode of described cantilever beam (13) and described column (12) extends, described flexible leg (2) vertically hangs on institute
State the end of extension bar (14).
3. flexible leg reverse impact dynamic calibration apparatus as claimed in claim 1 are it is characterised in that described flexible leg (2) wraps
Include a suspension part (5), described suspension part (5) is provided with two installing holes (51), a fishing line passes through described two installing holes (51)
And hang on described flexible leg suspension arrangement (1).
4. flexible leg reverse impact dynamic calibration apparatus as claimed in claim 3 are it is characterised in that described suspension part (5) wrap
The connecting plate (53) including the riser (52) that two block gap certain intervals be arranged in parallel and connecting described two pieces of risers (52), described two
Individual installing hole (51) is respectively arranged on described two pieces of risers (52).
5. flexible leg reverse impact dynamic calibration apparatus as claimed in claim 3 are it is characterised in that in described suspension part (5)
It is provided with the air-bubble level (6) whether vertical for determining described flexible leg (2).
6. flexible leg reverse impact dynamic calibration apparatus as claimed in claim 1 are it is characterised in that described emission system is soft
Property lower limb type test emission system.
7. flexible leg reverse impact dynamic calibration apparatus as claimed in claim 1 are it is characterised in that it also includes one is used for making
The horizontal front of described impact block (4) hits the laser leveler of the predetermined rum point of described flexible leg (2).
8. a kind of flexible leg reverse impact dynamic calibration test method is it is characterised in that it is using soft as claimed in claim 1
Property lower limb reverse impact dynamic calibration apparatus are tested, and it comprises the steps:
Described flexible leg (2) is vertically hung on described flexible leg suspension arrangement (1)；
Make described emission system level the predetermined rum point just to described flexible leg (2)；
Start described emission system, the horizontal front of speed making described impact block (4) to specify hits the pre- of described flexible leg (2)
Determine rum point.
9. flexible leg reverse impact dynamic calibration test method as claimed in claim 8 is it is characterised in that described flexible leg
(2) include a suspension part (5), described suspension part (5) is provided with two installing holes (51), and a fishing line passes through described two installing holes
(51) hang on described flexible leg suspension arrangement (1), methods described also comprises the steps: to adjust described suspension part (5) two
The fishing line length of side is so as to equal and finally make described flexible leg (2) be in vertical state.
10. flexible leg reverse impact dynamic calibration test method as claimed in claim 8 is it is characterised in that described flexible leg
Reverse impact dynamic calibration apparatus also one laser leveler, methods described also comprises the steps: through described flexible leg (2)
Predetermined clash into one central axis of strokes and dots, first make described laser leveler level just to described central axis so that described laser
Level indicator and described central axis are in same plane, further according to emission system described in the position of sound production of described laser leveler,
Make described emission system and described central axis be in same plane, and adjust the direction of the launch of described emission system up to water
Flat, so that the horizontal front of described impact block (4) energy hits the predetermined rum point of described flexible leg (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610829822.XA CN106353062A (en) | 2016-09-18 | 2016-09-18 | Flexible-leg reverse-impact dynamic calibration device and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610829822.XA CN106353062A (en) | 2016-09-18 | 2016-09-18 | Flexible-leg reverse-impact dynamic calibration device and test method |
Publications (1)
| Publication Number | Publication Date |
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| CN106353062A true CN106353062A (en) | 2017-01-25 |
Family
ID=57859973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610829822.XA Pending CN106353062A (en) | 2016-09-18 | 2016-09-18 | Flexible-leg reverse-impact dynamic calibration device and test method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101836A (en) * | 2017-03-28 | 2017-08-29 | 上汽大众汽车有限公司 | Flexible leg test device and method of testing |
| CN107505112A (en) * | 2017-06-21 | 2017-12-22 | 吉利汽车研究院（宁波）有限公司 | A kind of flexible leg reverse impact caliberating device and method |
| CN107845821A (en) * | 2017-10-31 | 2018-03-27 | 河南科技大学 | Mechanical detection device for electric quantity of alkaline zinc-manganese battery |
| CN109115090A (en) * | 2018-10-24 | 2019-01-01 | 重庆长安汽车股份有限公司 | The inspection method and method of adjustment of flexible shank bracket bevel protractor, bracket angle |
| CN111307471A (en) * | 2020-03-11 | 2020-06-19 | 中国汽车技术研究中心有限公司 | Launcher of pedestrian protection aPLI new leg type impactor |
| CN111307471B (en) * | 2020-03-11 | 2024-04-26 | 中国汽车技术研究中心有限公司 | Transmitting frame of novel leg type impactor for pedestrian protection aPLI |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101836A (en) * | 2017-03-28 | 2017-08-29 | 上汽大众汽车有限公司 | Flexible leg test device and method of testing |
| CN107101836B (en) * | 2017-03-28 | 2023-07-11 | 上汽大众汽车有限公司 | Flexible leg testing device and testing method |
| CN107505112A (en) * | 2017-06-21 | 2017-12-22 | 吉利汽车研究院（宁波）有限公司 | A kind of flexible leg reverse impact caliberating device and method |
| CN107505112B (en) * | 2017-06-21 | 2019-06-25 | 吉利汽车研究院（宁波）有限公司 | A kind of flexible leg reverse impact caliberating device and method |
| CN107845821A (en) * | 2017-10-31 | 2018-03-27 | 河南科技大学 | Mechanical detection device for electric quantity of alkaline zinc-manganese battery |
| CN109115090A (en) * | 2018-10-24 | 2019-01-01 | 重庆长安汽车股份有限公司 | The inspection method and method of adjustment of flexible shank bracket bevel protractor, bracket angle |
| CN109115090B (en) * | 2018-10-24 | 2020-06-12 | 重庆长安汽车股份有限公司 | Flexible shank upper bracket angle gauge and upper bracket angle checking and adjusting method |
| CN111307471A (en) * | 2020-03-11 | 2020-06-19 | 中国汽车技术研究中心有限公司 | Launcher of pedestrian protection aPLI new leg type impactor |
| CN111307471B (en) * | 2020-03-11 | 2024-04-26 | 中国汽车技术研究中心有限公司 | Transmitting frame of novel leg type impactor for pedestrian protection aPLI |
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Application publication date: 20170125 |