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Flexible-leg reverse-impact dynamic calibration device and test method

A technology of dynamic calibration and test method, applied in the automotive field, can solve the problems of precise control of unfavorable shedding time, waste of resources and money, etc., and achieve the effect of reducing capital investment and reducing process.

Inactive Publication Date: 2017-01-25
ZHEJIANG GEELY HLDG GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The existing similar schemes use a separate launch system, in which the calibration launch system is duplicated with the launch system of the flexible leg test, wasting resources and money
Moreover, the control of the free falling time of the flexible leg type is triggered by an electric signal, but this is easily affected by the impact speed change, which is not conducive to the precise control of the falling time

Method used

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  • Flexible-leg reverse-impact dynamic calibration device and test method
  • Flexible-leg reverse-impact dynamic calibration device and test method

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Embodiment Construction

[0022] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0023] Such as Figure 1-2 As shown, the flexible leg reverse impact dynamic calibration device of the present invention includes a flexible leg suspension device 1, a flexible leg 2, a launch system, a bump block 4, a bubble level 6 and a device for making the bump block 4 horizontally bump into the flexible leg 2. Laser level for predetermined impact point.

[0024] The flexible leg suspension device 1 comprises a base plate 11, a column 12 erected on the base plate 11, a cantilever beam 13 extending horizontally to the right from the end of the column 12 in a manner perpendicular to the column 12, and a cantilever beam 13 extending from the end of the cantilever beam 13 to be perpendicular...

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Abstract

The invention provides a flexible leg reverse impact dynamic calibration device, which includes a flexible leg suspension device, a flexible leg, a launch system and an impact block, the flexible leg is vertically suspended on the flexible leg suspension device, and the launch system is used to launch the impact block and make The impact block with specified mass hits the predetermined impact point of the flexible leg head-on at a specified speed level, and the flexible leg can break away from the flexible leg suspension device and fly freely within a certain period of time after the impact. Further, the present invention also provides a flexible leg reverse impact dynamic calibration test method, which uses the flexible leg reverse impact dynamic calibration device as described above to perform the test, which includes the following steps: vertically hang the flexible leg on the flexible leg Suspension device; make the launch system horizontal and facing the predetermined impact point of the flexible leg; start the launch system to make the impact block hit the predetermined impact point of the flexible leg horizontally at a prescribed speed.

Description

technical field [0001] The invention relates to the technical field of automobiles, and in particular to a flexible leg reverse impact dynamic calibration device and test method. Background technique [0002] The flexible leg type is the pedestrian protection test leg type newly stipulated in ECE R127 (Economic Commission of Europe Regulation 127). At present, the latest Euro-NCAP (The European New Car Assessment Programme) pedestrian protection evaluation procedure and ECE R127 pedestrian safety performance regulations have proposed the vehicle pedestrian protection flexible leg type test method. The pedestrian protection safety performance evaluation of the vehicle will include a flexible leg type test. [0003] At the same time, according to the content of the ECE R127 pedestrian safety performance regulations, the flexible leg type needs to undergo regular calibration tests to ensure that the flexible leg type still meets the requirements of the regulations after a cert...

Claims

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Application Information

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IPC IPC(8): G01M7/08
CPCG01M7/08
Inventor 郑佳丽王章平张毅
Owner ZHEJIANG GEELY HLDG GRP CO LTD
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