CN109883729A - Safety belt limits system safety testing device under a kind of vertical environment - Google Patents

Safety belt limits system safety testing device under a kind of vertical environment Download PDF

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Publication number
CN109883729A
CN109883729A CN201910208728.6A CN201910208728A CN109883729A CN 109883729 A CN109883729 A CN 109883729A CN 201910208728 A CN201910208728 A CN 201910208728A CN 109883729 A CN109883729 A CN 109883729A
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CN
China
Prior art keywords
safety belt
seat
dummy
safety
point
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910208728.6A
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Chinese (zh)
Inventor
张明
王显会
曾斌
朱继进
杨小桐
周云波
彭兵
张进成
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Nanjing University of Science and Technology
Dongfeng Motor Corp
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Nanjing University of Science and Technology
Dongfeng Motor Corp
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Application filed by Nanjing University of Science and Technology, Dongfeng Motor Corp filed Critical Nanjing University of Science and Technology
Priority to CN201910208728.6A priority Critical patent/CN109883729A/en
Publication of CN109883729A publication Critical patent/CN109883729A/en
Pending legal-status Critical Current

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Abstract

The present invention relates to seat harness performance test field, the test device of safety belt limit property under specially a kind of vertical environment.Described device includes experimental bench system, seat dummy man system and test record system;Seat dummy man system includes chair framework, tests dummy;Restraint system is set on chair framework, and experiment dummy is fixed on the seat by restraint system.Experiment seat skeleton dummy is fixed on corresponding rack by experimental bench system, experimental bench system will discharge after dummy chair system hoisting to corresponding position, test record system records all experimental datas, by analysis data and experiment, to realize the test of safety belt limit property.Pass through the test device of occupant's limit property under vertical environment, the displacement characteristic that the occupant under the explosion environment of bottom can be simulated improves the feasibility that occupant under the explosive event of bottom limits Journal of Sex Research, improves the stability of test, the favorable repeatability of test device, greatly reduces cost.

Description

Safety belt limits system safety testing device under a kind of vertical environment
Technical field
The present invention relates to occupant's restraint system fields under vertical environment, and in particular to occupant's limit property under a kind of vertical environment Test device.
Background technique
Under explosion environment, the vertical limit of safety belt directly influences the living space of occupant, the damage of occupant Severity, or even the survival rate of occupant is influenced,
In the test method of existing safety belt, what is largely used is that the method for Chemical Physics carries out chemical substance knot to it Structure analysis and extension test etc., but this method cannot test the limit of safety belt in actual use.And it is existing Also someone starts to test the safety belt limit property in collision in technology, but safety belt limit property test, is primarily upon Safety belt front and back limit property.
But in wars and terrorist incident, if encountering bottom impact, what the vertical limit of safety belt became Most important, the vertical limit of safety belt directly influences the survival rate of occupant, therefore the survey of the vertical limit of safety belt Examination becomes most important.
Summary of the invention
It is an object of the invention to overcome in the prior art for repeating in the research of occupant's vertical deviation under explosion environment Property difference and problem at high cost to provide a kind of test device of occupant's limit property under vertical environment so that occupant's is vertical Displacement measurement becomes simple and easy, repeats.
To achieve the above object, reach above-mentioned technical effect, the invention is realized by the following technical scheme:
Safety belt limits system safety testing device under a kind of vertical environment, which is characterized in that including experimental bench system, dummy chair System and test record system, the dummy chair system include chair framework and experiment dummy, and safety is arranged on chair framework Band system, the experiment dummy are fixed on the seat by restraint system;Wherein the experimental bench system is by dummy chair system System discharges after being lifted to corresponding position, and test record system records all experimental datas, by analysis data and experiment, thus real The test of existing safety belt limit property.
The restraint system includes: safety belt and the four point seat belt upper end being arranged on chair framework insertion Point, three-point safety belt upper end fixed point and safety belt bottom tie point;
When testing four point seat belt, safety belt is connected to four point seat belt upper end insertion point and safety belt bottom Safety belt when testing three-point safety belt, is connected to three-point safety belt upper end fixed point and safety belt bottom connects by tie point Contact.
The dummy is placed on the seat board of chair framework, leans against back bracket, after setting dummy, uses restraint system It is fixed on chair framework.
The experimental bench system include: the first connecting plate, starting motor, hook, start switch, rectangle support, guide rail, Experimental plate, bottom plate;Wherein first connecting plate is connected with rectangle support by the first bolt, and the starting motor is fixed on On one connecting plate, the hook be placed on starting motor output end, it is described start switch control hook folding and Start the work of motor;The guide rail is connected by guide rail link block with rectangular foot, and the experimental plate is connected by experimental plate Block and guide rail sliding connection block are connected with guide rail, and experimental plate slides up and down setting.
The experimental plate is equipped with hook connection ring, and the hook connection ring is connected thus by dummy with hook Seat system is sling.
The guide rail link block includes guide upper link block and guide rail lower part link block, wherein the guide upper connects The link position of block and guide rail lower part link block and rectangle support is adjustable, to realize the adjustable of dummy chair system feasible zone.
The rectangular foot is connected by the 4th bolt with table base, guarantees the stability of experimental bench system;It is described Bottom plate is bolted in rectangular foot by third, and the bottom plate is equipped with base tub, places cushion in the base tub Matter.
The chair framework includes: backrest frames, bracket, seat board, seat skeleton, seat frame bolt, sliding sleeve, mounting plate, cross Beam, vertical beam, connecting rod;The backrest frames are connected with bracket, and the bracket is connected with seat board, the seat board upper connecting base bone Frame, the seat frame bolt attachment base skeleton and bracket;The sliding sleeve connects bracket with mounting plate, and the crossbeam and vertical beam are logical The connection of crossbeam link block is crossed, the vertical beam is connected by vertical beam link block with bracket;The connecting rod is by the top and the bottom of crossbeam Connection.
The experimental plate is connected with mounting plate.
The test record system includes the sensor for being mounted on each key position of dummy, installs sensing on a mounting board Device, sensor information acquire the high speed video camera for the record dummy's global displacement placed outside equipment and experimental bench system.
The beneficial effects of the present invention are: (1) the application can be used for the limit test of safety belt vertical deviation, specific aim is more By force, and it is reusable;It can be used for the analog simulation of occupant's vertical deviation and explosion environment safety belt under the explosion environment of bottom to hang down Research to limit property.
(2) the application by being arranged the safety belt set-up mode of different modes on the seat, to reach test not Tongfang The purpose of performance under the limit vertical environment of safety belt of formula.
(3) the application is adjustable by guide upper link block and guide rail lower part link block and the link position of rectangular foot, To realize the adjustable of dummy chair system feasible zone.
Detailed description of the invention
Fig. 1 the application experimental bench system schematic diagram.
Fig. 2 the application seat dummy man system seat portion schematic diagram.
Description of symbols:
The first connecting plate of 1-, 2- start motor, 3- hook, and 4- is started switch, 5- guide upper link block, the first spiral shell of 6- Bolt, 7- rectangle support, 8- guide rail, 9- guide rail sliding connection block, 10- experimental plate link block, the second bolt of 11-, 12- guide rail lower part Link block, 13- third bolt, 14- bottom plate, the 4th bolt of 15-, 16- hook connection ring, 17- seat connecting plate mounting hole, 18- experimental plate, 19- base tub;
20- back bracket, the 4 safety belt upper ends 21- insertion point, 3 safety belt upper end fixed points of 22-, 23- connection Bar, 24- first crossbeam, 25- vertical beam, 26- vertical beam link block, 27- sliding sleeve, 28- bracket, 29- frame bolts, 30- seat board, 31- mounting plate bolt hole, 32- mounting plate, 33- crossbeam link block, 34- skeletons, 35- safety belt bottom tie point.
Specific embodiment
It is below with reference to the accompanying drawings and in conjunction with the embodiments, next that the present invention will be described in detail.
The test device of occupant's limit property under a kind of vertical environment, test device includes experimental bench system, seat dummy system System and test record system wherein experiment seat skeleton dummy is fixed on corresponding rack by the experimental bench system, and can incite somebody to action Dummy is lifted to corresponding position, and the seat dummy man system includes chair framework, tests dummy, and the test record system includes It is mounted on the sensor of each key position of dummy, the sensor being mounted on experimental bench mounting plate, sensor information acquires equipment And the high speed video camera for the record dummy's global displacement placed outside experimental bench system.
The experimental bench system includes the first connecting plate 1, starts motor 2, and hook 3 starts switch 4, rectangle support 7, Guide rail sliding connection block 9, guide rail 8, experimental plate 18, experimental plate link block 10, bottom plate 14, the starting motor 2 are fixed on first On connecting plate 1, the hook 3 is placed on starting 2 output end of motor, described to start switch 4 controls starting motor 2, and described the One connecting plate 1 is connect with rectangle support 7 by the first bolt 6, and the guide rail 8 is connected by guide rail link block with rectangle support 7, The experimental plate 18 is connected by experimental plate link block 10 and guide rail sliding connection block 9 with guide rail 8, and the second bolt 11 is passed through It is connected, experimental plate 18 can slide up and down, and experimental plate 18 can be connected with mounting plate 32, and mounting plate 32 is connected with chair framework.Institute It states rectangle support 7 to be connected by the 4th bolt 15 with table base, guarantees the stability of experimental bench system;Guarantee the suitable of experiment Benefit carries out.The bottom plate 14 is connected on rectangle support 7 by third bolt 13, and the bottom plate 14 is equipped with base tub, described 14 interposition of bottom plate, which is equipped with base tub 19, can place buffer substance.
Dummy is using the male dummy of 50 percentile of Hybrid III to multiplying in vehicle collision in the seat dummy man system The degree of impairment of member measures, and Hybrid III dummy is based on occidentals's body statistics parameter designing and to developed, 50 percentiles represent the medium-sized parameter in human body statistics, and corresponding height and weight are 177mm respectively, 77.7kg, form and biomechanical response similar with people with class peopleization.Chair framework in the seat dummy man system Including back bracket 20, connecting rod 23, first crossbeam 24, vertical beam 25, vertical beam link block 26, sliding sleeve 27, bracket 28, seat skeleton spiral shell Bolt 29, seat board 30, mounting plate 32, crossbeam link block 33, the equal parts of seat skeleton 34.The dummy is placed on seat board 30, leans against and leans on Back braces 20, four point seat belt installation point be 4 safety belt upper ends insertion point 21 and safety belt bottom tie point 35,3 points Formula safety belt installation point is three-point safety belt upper end fixed point 22 and safety belt bottom tie point 35, three-point safety belt upper end The mode of fixed point bolt fastening connects.Us are needed to select different mounting means, test four-point safety according to research When band, safety belt is connected to four point seat belt upper end insertion point and safety belt bottom tie point, tests three-point seat When band, safety belt is connected to three-point safety belt upper end fixed point and safety belt bottom tie point.
Buffer substance is placed on base tub 19, guide rail 8 is fixed in place, and each sensor test is normal, High-speed camera is in place.
After determining experimental program and being installed, mounting plate 32 is connected with experimental plate 18, will be started switch under 4 unlatchings Drop function, hook 3 is put down connect with hook connection ring 16 after, start switch 4 unlatchings rising function, be lifted to corresponding position Afterwards, start to start switch 4 release function, the seat and dummy on entire experimental plate 18, which fall, to be completed, and number is tested in statistic record According to.

Claims (10)

1. safety belt limits system safety testing device under a kind of vertical environment, which is characterized in that including experimental bench system, dummy chair system System and test record system, the dummy chair system includes chair framework, and restraint system is arranged on chair framework, passes through peace It is fixed on the seat that full band system will test dummy;
Wherein the experimental bench system will discharge after dummy chair system hoisting, and test record system records all experiment numbers According to by analysis data and experiment, to complete the test of safety belt limit property.
2. safety belt limits system safety testing device under vertical environment according to claim 1, which is characterized in that the safety It include: safety belt and the four point seat belt upper end insertion point (21) being arranged on chair framework, three-point seat with system Band upper end fixed point (22) and safety belt bottom tie point (35);
When testing four point seat belt, safety belt is connected to four point seat belt upper end insertion point (21) and safety belt bottom Safety belt when testing three-point safety belt, is connected to three-point safety belt upper end fixed point (22) and safety by tie point (35) Band bottom tie point (35).
3. safety belt limits system safety testing device under vertical environment according to claim 2, which is characterized in that the dummy is put It sets on the seat board (30) of chair framework, leans against back bracket (20), after setting dummy, be fixed on seat with restraint system On skeleton.
4. safety belt limits system safety testing device under vertical environment according to claim 1, which is characterized in that the experimental bench System include: the first connecting plate (1), starting motor (2), hook (3), start switch (4), rectangle support (7), guide rail (8), Experimental plate (18), bottom plate (14);Wherein first connecting plate (1) is connected with rectangle support (7) by the first bolt (6), institute It states starting motor (2) to be fixed on the first connecting plate (1), the hook (3) is placed on the output end of starting motor (2), institute It states the folding for starting switch (4) control hook (3) and starts the work of motor, the guide rail (8) passes through guide rail link block It is connected with rectangle support (7), the experimental plate (18) passes through experimental plate link block (10) and guide rail sliding connection block (9) and leads Rail (8) is connected, and experimental plate (18) slides up and down setting.
5. safety belt limits system safety testing device under vertical environment according to claim 4, which is characterized in that the experimental plate (18) hook connection ring (16) are equipped with, the hook connection ring (16) is connected thus by dummy's seat with hook (3) Chair system is sling.
6. safety belt limits system safety testing device under vertical environment according to claim 4, which is characterized in that the guide rail connects Connecing block includes guide upper link block (5) and guide rail lower part link block (12), wherein the guide upper link block (5) and guide rail Lower part link block (12) and the link position of rectangle support (7) are adjustable, to realize the adjustable of dummy chair system feasible zone.
7. safety belt limits system safety testing device under vertical environment according to claim 6, which is characterized in that the rectangle Bracket (7) is connected by the 4th bolt (15) with table base, and the bottom plate (14) is connected to square by third bolt (13) On shape bracket (7), the bottom plate (14) is equipped with base tub (19), and buffer substance is placed in the base tub (19).
8. safety belt limits system safety testing device under vertical environment according to claim 1, which is characterized in that the seat Skeleton includes: backrest frames (20), bracket (28), seat board (30), seat skeleton (34), seat frame bolt (29), sliding sleeve (27), peace Loading board (32), crossbeam (24), vertical beam (25), connecting rod (23);The backrest frames (20) are connected with bracket (28), the branch Frame (28) is connected with seat board (30), seat board (30) the upper connecting base skeleton (34), seat frame bolt (29) the attachment base bone Frame (34) and bracket (28);The sliding sleeve (27) connects bracket (28) and mounting plate (32), the crossbeam (24) and vertical beam (25) it is connected by crossbeam link block (33), the vertical beam (25) is connected by vertical beam link block (26) with bracket (32);It is described Connecting rod (23) connects the top and the bottom of crossbeam (24).
9. safety belt limits system safety testing device under vertical environment according to claim 8, which is characterized in that the experiment Plate (18) is connected with mounting plate (32).
10. safety belt limits system safety testing device under vertical environment according to claim 1, which is characterized in that the survey Trial record system includes the sensor for being mounted on dummy's different location, installs sensor on a mounting board, and sensor information is adopted Collect the high speed video camera for the record dummy's global displacement placed outside equipment and experimental bench system.
CN201910208728.6A 2019-03-19 2019-03-19 Safety belt limits system safety testing device under a kind of vertical environment Pending CN109883729A (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110940479A (en) * 2019-12-05 2020-03-31 中国飞机强度研究所 Armored vehicle seat explosion impact resistance performance test system and method
CN110987469A (en) * 2019-12-05 2020-04-10 中国飞机强度研究所 Armored vehicle seat bench test explosion impact waveform simulation system and method
CN111122145A (en) * 2020-01-21 2020-05-08 重庆长安汽车股份有限公司 Automobile safety belt dynamic performance test method

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CN108020431A (en) * 2017-12-29 2018-05-11 北斗航天汽车(北京)有限公司 Free-fall testing device
CN209639975U (en) * 2019-03-19 2019-11-15 南京理工大学 A kind of test device of vertical guide rail formula safety belt limit property

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CN201707211U (en) * 2010-04-23 2011-01-12 浙江吉利汽车研究院有限公司 Dummy neck pendulum bob calibrating test device
CN103528786A (en) * 2013-10-12 2014-01-22 国家电网公司 Multifunctional test device and working method thereof
JP2015087945A (en) * 2013-10-30 2015-05-07 ダイハツ工業株式会社 Vehicle collision analysis method
CN204064602U (en) * 2014-08-07 2014-12-31 江南工业集团有限公司 A kind of fall-down test device
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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN110940479A (en) * 2019-12-05 2020-03-31 中国飞机强度研究所 Armored vehicle seat explosion impact resistance performance test system and method
CN110987469A (en) * 2019-12-05 2020-04-10 中国飞机强度研究所 Armored vehicle seat bench test explosion impact waveform simulation system and method
CN111122145A (en) * 2020-01-21 2020-05-08 重庆长安汽车股份有限公司 Automobile safety belt dynamic performance test method

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