CN202770404U - Position measurement instrument used in vehicle collision - Google Patents
Position measurement instrument used in vehicle collision Download PDFInfo
- Publication number
- CN202770404U CN202770404U CN 201220442737 CN201220442737U CN202770404U CN 202770404 U CN202770404 U CN 202770404U CN 201220442737 CN201220442737 CN 201220442737 CN 201220442737 U CN201220442737 U CN 201220442737U CN 202770404 U CN202770404 U CN 202770404U
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- displacement sensor
- position measurement
- measurement instrument
- axis
- laser displacement
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Abstract
The utility model discloses a position measurement instrument used in vehicle collision. The position measurement instrument comprises a square frame. A left-and-right moving support is installed on the square frame. An X-axis magnetoresistive displacement sensor is installed on the upper transverse frame of the square frame, a Z-axis magnetoresistive displacement sensor is installed on the left-and-right moving support, an up-and-down moving cradle head is installed on the left-and-right moving support, and a Y-axis laser displacement sensor and a laser cross cursor instrument which are connected with each other are further installed on the up-and-down moving cradle head. According to the utility model, the positioning and marking operation is performed through the laser cross cursor instrument, and then the length is detected through the laser displacement sensor, wherein the accuracy of the laser displacement sensor is +/- 0.5 millimeter, and the repeatability of the laser displacement sensor is +/- 0.1 millimeter, so the accuracy is greatly improved compared with existing position measurement instruments.
Description
Technical field
The utility model relates to a kind of automobile safety collision field of measuring technique, particularly relates to a kind of car crass position measurement instrument, is applicable to the instrument of measuring, locating, rule for vehicle front bumper, bonnet before the C-CNAP impact test.
Background technology
C-CNAP is the new model that will buy in market according to stricter than the existing compulsory standard of China and more fully require to carry out the collision safety performance and test, evaluation result is divided and is published by star, be intended to give Consumer System, objective information of vehicles, promoting enterprise is according to higher safety standard development and production, thereby effectively reduces injury and the loss of road traffic accident.C-CNAP requires a kind of vehicle is carried out car speed 50km/h and rigidly fixed the head-on crash of obstacle 100% Duplication, car speed 56km/h moves obstacle speed 50km/h and vehicle to Frontal offset impact, the deformable of deformable obstacle 40% Duplication three kinds of impact tests such as side collision, calculate every test score and total points according to test figure, what determine star by total points.Code of points is very careful strict, and top score is 51 minutes, and star is minimum to be 1 star, is up to the 5+ star.
Existing 3D dummy's position measurement instrument mostly is the product of external import, 3D dummy's position measurement instrument of making such as German HUDE company.This measuring instrument uses draw-wire displacement sensor when carrying out the measurement of Y-axis, the precision of this sensor is ± 2 millimeters, and repeatability is ± 0.5 millimeter, this shows, there is low precision in this position measurement instrument, the shortcoming such as operation steps complexity during use.
The utility model content
The purpose of this utility model provides a kind of high-precision car crass position measurement instrument.
For solving the problems of the technologies described above, the utility model comprises quadra, and the move left and right support is installed on the described quadra; The X-axis magnetoresistive shift sensor is installed on the upper transverse frame of described quadra, on the described move left and right support Z axis magnetoresistive shift sensor is installed, be equipped with on the described move left and right support and move up and down The Cloud Terrace; Described moving up and down also is equipped with interconnective Y-axis laser displacement sensor and laser cross cursor instrument on the The Cloud Terrace.
As a kind of preferred version of the present utility model, the precision of described Y-axis laser displacement sensor is ± 0.5 millimeter.
As a kind of preferred version of the present utility model, the repeatability of described Y-axis laser displacement sensor is ± 0.1 millimeter.
As a kind of preferred version of the present utility model, the precision of described X-axis magnetoresistive shift sensor is ± 20um/m.
As a kind of preferred version of the present utility model, the precision of described Z axis magnetoresistive shift sensor is ± 20um/m.
Technique effect of the present utility model is to position line by laser cross cursor instrument, detect length by laser displacement sensor again, the precision of laser displacement sensor is ± 0.5 millimeter, and repeatability is ± 0.1 millimeter, is greatly improved than existing position measurement instrument precision.
Description of drawings
Below in conjunction with accompanying drawing and preferred implementation the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is vertical view of the present utility model.
Embodiment
As depicted in figs. 1 and 2, car crass position measurement instrument of the present utility model comprises quadra 1, and the place, four angles of quadra 1 supports by bracing frame and forms triangle, thereby guarantees the stability of square set.On the described quadra 1 move left and right support 4 is installed; On the upper transverse frame 11 of described quadra 1 X-axis magnetoresistive shift sensor 3 is installed, on the described move left and right support 5 Z axis magnetoresistive shift sensor 4 is installed, be equipped with on the described move left and right support 5 and move up and down The Cloud Terrace 6; Described moving up and down also is equipped with interconnective Y-axis laser displacement sensor 7 and laser cross cursor instrument 8 on the The Cloud Terrace 6.Wherein, quadra 1 uses anti-flexing aluminium alloy extrusions to make, and movable part all can adopt line slide rail to move.During use, position line by laser cross cursor instrument 8 first, detect length by laser displacement sensor 7 again.
The precision of described Y-axis laser displacement sensor 7 is ± 0.5 millimeter, and the repeatability of Y-axis laser displacement sensor 7 is ± 0.1 millimeter.The precision of described X-axis magnetoresistive shift sensor 3 is ± 20um/m.The precision of described Z axis magnetoresistive shift sensor 4 is ± 20um/m.
Position line by laser cross cursor instrument of the present utility model, detect length by laser displacement sensor again, the precision of laser displacement sensor is ± 0.5 millimeter, and repeatability is ± 0.1 millimeter, is greatly improved than existing position measurement instrument precision.
Below the preferred embodiment of the invention is specified, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all modification that is equal to or replacement under the prerequisite of the invention spirit, the modification that these are equal to or replacement all are included in the application's claim limited range.
Claims (5)
1. a car crass position measurement instrument comprises quadra, and the move left and right support is installed on the described quadra; The X-axis magnetoresistive shift sensor is installed on the upper transverse frame of described quadra, on the described move left and right support Z axis magnetoresistive shift sensor is installed, it is characterized in that, be equipped with on the described move left and right support and move up and down The Cloud Terrace; Described moving up and down also is equipped with interconnective Y-axis laser displacement sensor and laser cross cursor instrument on the The Cloud Terrace.
2. car crass position measurement instrument as claimed in claim 1 is characterized in that, the precision of described Y-axis laser displacement sensor is ± 0.5 millimeter.
3. car crass position measurement instrument as claimed in claim 2 is characterized in that, the repeatability of described Y-axis laser displacement sensor is ± 0.1 millimeter.
4. car crass position measurement instrument as claimed in claim 1 is characterized in that, the precision of described X-axis magnetoresistive shift sensor is ± 20um/m.
5. car crass position measurement instrument as claimed in claim 1 is characterized in that, the precision of described Z axis magnetoresistive shift sensor is ± 20um/m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220442737 CN202770404U (en) | 2012-09-03 | 2012-09-03 | Position measurement instrument used in vehicle collision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220442737 CN202770404U (en) | 2012-09-03 | 2012-09-03 | Position measurement instrument used in vehicle collision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202770404U true CN202770404U (en) | 2013-03-06 |
Family
ID=47776970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220442737 Expired - Fee Related CN202770404U (en) | 2012-09-03 | 2012-09-03 | Position measurement instrument used in vehicle collision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202770404U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406576A (en) * | 2014-12-04 | 2015-03-11 | 浙江吉利汽车研究院有限公司 | Laser positioning device |
| CN108982126A (en) * | 2018-09-26 | 2018-12-11 | 武汉钢铁有限公司 | A kind of measurement method of B column impact test intrusion volume |
| CN110345858A (en) * | 2019-07-19 | 2019-10-18 | 广州市番通汽车检测有限公司 | A kind of car crass position measurement instrument |
-
2012
- 2012-09-03 CN CN 201220442737 patent/CN202770404U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406576A (en) * | 2014-12-04 | 2015-03-11 | 浙江吉利汽车研究院有限公司 | Laser positioning device |
| CN104406576B (en) * | 2014-12-04 | 2018-05-01 | 浙江吉利汽车研究院有限公司 | Laser locating apparatus |
| CN108982126A (en) * | 2018-09-26 | 2018-12-11 | 武汉钢铁有限公司 | A kind of measurement method of B column impact test intrusion volume |
| CN110345858A (en) * | 2019-07-19 | 2019-10-18 | 广州市番通汽车检测有限公司 | A kind of car crass position measurement instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160708 Address after: 200000 Shanghai City, Jiading District Anting Town, South Moyu Road No. 888 room 2201J18 Patentee after: Shanghai Tai Chi Automotive Engineering Technology Co., Ltd. Address before: 201804 Shanghai, Cao Cao Road, No. 4800, Institute of automotive, A207, A208 Patentee before: Tongji Automotive Design and Research Institute Co., Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Granted publication date: 20130306 Termination date: 20180903 |