CN203101015U - Novel front longitudinal beam impact testing device - Google Patents
Novel front longitudinal beam impact testing device Download PDFInfo
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- CN203101015U CN203101015U CN 201320126354 CN201320126354U CN203101015U CN 203101015 U CN203101015 U CN 203101015U CN 201320126354 CN201320126354 CN 201320126354 CN 201320126354 U CN201320126354 U CN 201320126354U CN 203101015 U CN203101015 U CN 203101015U
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Abstract
The utility model relates to an automobile front longitudinal beam collision experimental device, and especially relates to a novel front longitudinal beam impact testing device which comprises a testing moving car, and a balancing weight arranged on the testing moving car, wherein a front longitudinal beam mounting plate for mounting a front longitudinal beam is fixed at one end of the testing moving car, and two longitudinally adjustable U-shaped sliding grooves are formed in the panel of the front longitudinal beam mounting plate in the longitudinal direction, and the front longitudinal beam mounting plate is fixed at the end part of the testing moving car by bolts penetrating through the longitudinally adjustable U-shaped sliding grooves; two transversely adjustable U-shaped sliding grooves are formed on the panel of the front longitudinal beam mounting plate in the transverse direction; and an energy absorbing device is fixed on the transversely adjustable U-shaped sliding grooves through bolts. With such a structure, the structure of the novel front longitudinal beam impact testing device is stable in impact inertia force, so that equivalent inertial load can be obtained and the precision of the experimental data is improved. With such a structure, the novel front longitudinal beam impact testing device has the advantages of stable impact inertia force, equivalent inertial load and improved precision of the experimental data.
Description
Technical field
The utility model relates to automobile front longitudinal collision experiment device, specifically is a kind of a kind of novel front longitudinal impact test apparatus that has the inertial load of stable bump inertial force, equivalence and improve the experimental data precision.
Background technology
According to GB/T 15089, M class automobile is " have four wheels at least and be used for the motor vehicles of carrying " to M1(; The M1 class refers to " comprise operating seat, seating capacity is no more than nine passenger car ".) front longitudinal of class vehicle is optimized design, must determine best deformation pattern and the energy-absorbing effect of key structure spare front longitudinal in collision process, and front bumper, energy-absorbing box and longeron assembly deformation pattern and the energy absorption characteristics under positive and 40% offset collision condition.
Optimizing process is made of simulation optimization analysis and experimental verification.By carrying out single front longitudinal trolley collision test, can study deformation pattern and the energy absorption characteristics of longeron welding front segment structure in collision process, can be the optimization front longitudinal and induce the groove structure, the collision energy-absorbing performance of improvement and optimization vehicle front deck provides foundation.By two longerons and preceding guarantor's crossbeam assembly chassis head-on crash are tested, can study longeron and deformation pattern and the energy absorption characteristics of preceding guarantor's crossbeam assembly in the head-on crash process, induce groove for optimizing front longitudinal, the collision energy-absorbing performance of improvement and optimization vehicle front deck provides foundation.
Prior art is to adopt emitters such as track sledge or hydraulic pressure that single front longitudinal chassis or two longeron and preceding guarantor's crossbeam assembly chassis are carried out collision experiment.Adopt track sledge or hydraulic pressure emitter to carry out collision experiment bump poor stability, the offset distance of test longeron and test load center of gravity is difficult for adjusting, and the inertial load equivalence is poor.
In sum, prior art adopts railcar or hydraulic pressure emitter that front longitudinal is carried out collision experiment, because poor stability and inertial load equivalence are poor, and the experimental data that can't obtain envisioning, the experimental data precision of acquisition is low.
Summary of the invention
The purpose of this utility model provides a kind of a kind of novel front longitudinal impact test apparatus that has the inertial load of stable bump inertial force, equivalence and improve the experimental data precision.
For realizing that the technical scheme that the utility model above-mentioned purpose adopts is: a kind of novel front longitudinal impact test apparatus, comprise the test locomotive, be arranged on the balancing weight on the test locomotive, an end of this test locomotive is fixed with the front longitudinal installing plate that front longitudinal is installed; Wherein:
The panel longitudinal direction of described front longitudinal installing plate is provided with two and vertically adjusts U type chute, and the bolt that passes vertical adjustment U type chute is fixed on the front longitudinal installing plate end of test locomotive;
The panel horizontal direction of described front longitudinal installing plate is provided with two and laterally adjusts U type chute, laterally by bolt energy absorption device is being arranged on the adjustment U type chute.
Because said structure, the bump inertial force of structure described in the utility model are stablized, can obtain equivalent inertial load, have been improved the experimental data precision.
Description of drawings
The utility model can further specify by the indefiniteness embodiment that accompanying drawing provides.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is that single front longitudinal is installed geometric position adjustment synoptic diagram.
Fig. 3 is that two front longitudinals are installed geometric position adjustment synoptic diagram.
Among the figure: 1, test locomotive; 2, balancing weight; 3, front longitudinal installing plate; 4, front longitudinal; 5, energy absorption device; 6, vertically adjust U type chute; 7, laterally adjust U type chute.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
Referring to accompanying drawing 1 to 3, a kind of novel front longitudinal impact test apparatus comprises test locomotive 1, is arranged on the balancing weight 2 on the test locomotive 1, and an end of this test locomotive 1 is fixed with the front longitudinal installing plate 3 that front longitudinal is installed; Wherein:
The panel longitudinal direction of described front longitudinal installing plate 3 is provided with two and vertically adjusts U type chute 6, and the bolt that passes vertical adjustment U type chute 6 is fixed on front longitudinal installing plate 3 end of test locomotive 1;
The panel horizontal direction of described front longitudinal installing plate 3 is provided with two and laterally adjusts U type chute 7, laterally by bolt energy absorption device 5 is being arranged on the adjustment U type chute 7.In this embodiment, in the time of need doing experiment, by bolt front longitudinal 4 is installed in the horizontal adjustment U type chute 7, the rear end face of front longitudinal 4 and front longitudinal installing plate 3 are welded as a whole; Then by regulating bolt and the position of vertically adjusting U type chute 6, reach the center line of adjusting front longitudinal installing plate 3 Widths (promptly vertical) and the distance between test locomotive 1 gravity plane, to realize the geometry site of equivalent test longeron and actual vehicle gravity plane, reach this test unit and can guarantee that the stressed direction vector in front longitudinal 4 rigid walls when collision is consistent with its inertia direction, make test unit that the inertial load of equivalence can be provided, stable bump inertial force is provided and produces consistent retarded velocity for front longitudinal 4 simultaneously; Energy absorption device 5 among this embodiment adopts commercially available standard rectangular steel tube to open and induces groove as energy absorption device, absorb the remaining collision energy in front longitudinal 4 distortion backs in the collision process by energy absorption device 5.In this embodiment, test locomotive 1 adopts Mobile deformable barrier car (being called for short MDB).
In the foregoing description, preferably: the flute length of described vertical adjustment U type chute 6 is 350mm, and groove width is 14mm.In this embodiment, front longitudinal installing plate 3 is connected with test locomotive 1 front end face by bolt and is fixing, difference in height can be adjusted (the about 170mm of maximum setting range between its Width center line height and test locomotive 1 gravity plane, can guarantee that front longitudinal installing plate 3 Width center lines do not exceed the chute length on the locomotive 1 this moment), stress and the stress equivalence of this front longitudinal under the real vehicle collision test condition when effectively having guaranteed front longitudinal 4 collisions.
In the foregoing description, preferably: the flute length of described horizontal adjustment U type chute 7 is 1000mm, and groove width is 14mm.In this embodiment, effectively guaranteed the installation site and the real vehicle geometric identity of test front longitudinal 4, and guaranteed front longitudinal 4 according to different tests condition configuration varying number and length.
For improving the experimental data precision, reach the load equivalence substantially under test load and the full scale vehicle collision condition.In the foregoing description, preferably: the weight of described test locomotive 1 is 950 ± 20kg; The weight of test locomotive 1 and the weight of balancing weight 2 and the weight sum of longeron installing plate 3 are 1100 ± 10kg.
The embodiment that single front longitudinal 4 space geometry positions are adjusted, as shown in Figure 2.Overlap with vertical face in the test locomotive 1 along the center line of laterally adjusting U type chute 6 adjustment front longitudinals 4, longitudinally adjust U type chute 7 and adjust front longitudinal installing plate 3 Width center lines and test locomotive 1 equivalent load center of gravity with high.
Two the embodiment that front longitudinal 4 space geometry positions are adjusted, as shown in Figure 3.According to M1 class car target carriage longeron and real vehicle center of gravity space geometry position, longitudinally adjust U type chute 6 and adjust front longitudinal installing plate 3 and the position acquisition front longitudinal 4 of test locomotive 1 and the geometry site of real vehicle center of gravity; Physical dimension according to two front longitudinals 4 is adjusted front longitudinal 4 positions about vertical in the face of claiming, to guarantee stability in the test locomotive 1 along laterally adjusting U type chute 7.
Obviously, all embodiment of foregoing description are a part of embodiment of the present utility model, rather than whole embodiment.Based on embodiment of the present utility model, those of ordinary skills are not making all other embodiment that obtained under the creative work prerequisite, all belong to the category of the utility model protection.
In sum, the utlity model has stable bump inertial force, the equivalence inertial load and improved the experimental data precision.
Claims (4)
1. a novel front longitudinal impact test apparatus comprises test locomotive (1), is arranged on the balancing weight (2) on the test locomotive (1), and an end of this test locomotive (1) is fixed with the front longitudinal installing plate (3) that front longitudinal is installed; It is characterized in that:
The panel longitudinal direction of described front longitudinal installing plate (3) is provided with two and vertically adjusts U type chute (6), and the bolt that passes vertical adjustment U type chute (6) is fixed on front longitudinal installing plate (3) end of test locomotive (1);
The panel horizontal direction of described front longitudinal installing plate (3) is provided with two and laterally adjusts U type chute (7), upward by bolt energy absorption device (5) is arranged at the horizontal U type chute (7) of adjusting.
2. according to the described a kind of novel front longitudinal impact test apparatus of claim 1, it is characterized in that: the flute length of described vertical adjustment U type chute (6) is 350mm, and groove width is 14mm.
3. according to the described a kind of novel front longitudinal impact test apparatus of claim 1, it is characterized in that: the flute length of described horizontal adjustment U type chute (7) is 1000mm, and groove width is 14mm.
4. according to the described a kind of novel front longitudinal impact test apparatus of claim 1, it is characterized in that: the weight of described test locomotive (1) is 950 ± 20kg; The weight of test locomotive (1) and the weight of balancing weight (2) and the weight sum of longeron installing plate (3) are 1100 ± 10kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320126354 CN203101015U (en) | 2013-03-20 | 2013-03-20 | Novel front longitudinal beam impact testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320126354 CN203101015U (en) | 2013-03-20 | 2013-03-20 | Novel front longitudinal beam impact testing device |
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| CN203101015U true CN203101015U (en) | 2013-07-31 |
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| CN 201320126354 Expired - Lifetime CN203101015U (en) | 2013-03-20 | 2013-03-20 | Novel front longitudinal beam impact testing device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616153A (en) * | 2013-12-09 | 2014-03-05 | 重庆长安汽车股份有限公司 | Dynamic performance parameter benchmarking device of automobile thin-wall parts in collision experiment |
| CN104776967A (en) * | 2015-04-02 | 2015-07-15 | 奇瑞汽车股份有限公司 | Impact bending resistance test device for car front longitudinal beam assembly and test method |
| CN106053092A (en) * | 2016-05-31 | 2016-10-26 | 上汽通用五菱汽车股份有限公司 | Sled test method for simulating auto frontal impact and sled |
| CN106441934A (en) * | 2016-09-22 | 2017-02-22 | 奇瑞汽车股份有限公司 | Collision test device and method for front beam of automobile bumper |
| CN106644517A (en) * | 2017-01-04 | 2017-05-10 | 浙江吉利汽车研究院有限公司 | Trolley for dynamic collision test of vehicles |
| CN106769103A (en) * | 2017-01-24 | 2017-05-31 | 汽-大众汽车有限公司 | A kind of preceding balance weight assembly for vehicle impact test |
| CN108535025A (en) * | 2018-04-24 | 2018-09-14 | 易清汽车安全系统(苏州)有限公司 | A kind of bumper impact test method and device based on vehicle safety |
| CN108731946A (en) * | 2017-04-20 | 2018-11-02 | 福特全球技术公司 | Frontal offset impact tests system and method |
| JP2021096136A (en) * | 2019-12-17 | 2021-06-24 | Ｊｆｅスチール株式会社 | Truck for collision test and collision testing device |
| CN114001974A (en) * | 2021-09-23 | 2022-02-01 | 中汽研汽车检验中心（天津）有限公司 | Method for evaluating collision response contribution of vehicle front component to passenger compartment |
| CN114383867A (en) * | 2021-12-29 | 2022-04-22 | 东风汽车集团股份有限公司 | Automobile front bracket connection point testing device and testing method |
-
2013
- 2013-03-20 CN CN 201320126354 patent/CN203101015U/en not_active Expired - Lifetime
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616153A (en) * | 2013-12-09 | 2014-03-05 | 重庆长安汽车股份有限公司 | Dynamic performance parameter benchmarking device of automobile thin-wall parts in collision experiment |
| CN104776967A (en) * | 2015-04-02 | 2015-07-15 | 奇瑞汽车股份有限公司 | Impact bending resistance test device for car front longitudinal beam assembly and test method |
| CN106053092A (en) * | 2016-05-31 | 2016-10-26 | 上汽通用五菱汽车股份有限公司 | Sled test method for simulating auto frontal impact and sled |
| CN106053092B (en) * | 2016-05-31 | 2018-10-16 | 上汽通用五菱汽车股份有限公司 | A kind of the sled test method and trolley of simulated automotive head-on crash |
| CN106441934A (en) * | 2016-09-22 | 2017-02-22 | 奇瑞汽车股份有限公司 | Collision test device and method for front beam of automobile bumper |
| CN106644517A (en) * | 2017-01-04 | 2017-05-10 | 浙江吉利汽车研究院有限公司 | Trolley for dynamic collision test of vehicles |
| CN106769103A (en) * | 2017-01-24 | 2017-05-31 | 汽-大众汽车有限公司 | A kind of preceding balance weight assembly for vehicle impact test |
| CN106769103B (en) * | 2017-01-24 | 2023-08-04 | 一汽-大众汽车有限公司 | Front counterweight assembly for vehicle collision test |
| CN108731946A (en) * | 2017-04-20 | 2018-11-02 | 福特全球技术公司 | Frontal offset impact tests system and method |
| CN108731946B (en) * | 2017-04-20 | 2021-12-14 | 福特全球技术公司 | Front offset crash test system and method |
| CN108535025A (en) * | 2018-04-24 | 2018-09-14 | 易清汽车安全系统(苏州)有限公司 | A kind of bumper impact test method and device based on vehicle safety |
| JP2021096136A (en) * | 2019-12-17 | 2021-06-24 | Ｊｆｅスチール株式会社 | Truck for collision test and collision testing device |
| JP7103335B2 (en) | 2019-12-17 | 2022-07-20 | Ｊｆｅスチール株式会社 | Crash test trolley and collision test equipment |
| CN114001974A (en) * | 2021-09-23 | 2022-02-01 | 中汽研汽车检验中心（天津）有限公司 | Method for evaluating collision response contribution of vehicle front component to passenger compartment |
| CN114001974B (en) * | 2021-09-23 | 2023-09-22 | 中汽研汽车检验中心（天津）有限公司 | Method for evaluating contribution of vehicle front component to passenger cabin collision response |
| CN114383867A (en) * | 2021-12-29 | 2022-04-22 | 东风汽车集团股份有限公司 | Automobile front bracket connection point testing device and testing method |
| CN114383867B (en) * | 2021-12-29 | 2024-04-02 | 东风汽车集团股份有限公司 | Automobile front bracket connection point testing device and testing method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |
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| CX01 | Expiry of patent term |