CN202420806U - Equipment for testing dynamic impact performance of knee air bag - Google Patents
Equipment for testing dynamic impact performance of knee air bag Download PDFInfo
- Publication number
- CN202420806U CN202420806U CN2011204421139U CN201120442113U CN202420806U CN 202420806 U CN202420806 U CN 202420806U CN 2011204421139 U CN2011204421139 U CN 2011204421139U CN 201120442113 U CN201120442113 U CN 201120442113U CN 202420806 U CN202420806 U CN 202420806U
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- Prior art keywords
- air bag
- knee air
- knocker
- knee
- spring
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- Expired - Lifetime
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Abstract
The utility model provides equipment for testing a dynamic impact performance of a knee air bag. The equipment sequentially comprises a loading controller, a fixed bracket, an impacter, a speed measurer and a rigid bracket, wherein a spring loading mechanism is arranged on the fixed bracket; an instrument desk is arranged on the rigid bracket; a knee air bag is arranged on the instrument desk; the impacter is movably connected with the spring loading mechanism; a knee air bag detonation device is arranged on the knee air bag; and the spring loading mechanism, the speed measurer and the knee air bag detonation device are connected with the loading controller through control wires. The equipment is rational and simple in structural design and low in manufacturing cost; under a same test working condition, knee air bag product samples are subjected to casual inspection; scientific and accurate detection data are supplied to the performance test of new knee air bag products and the quality casual inspection of batch products; and therefore, the consistency of the performances of the products can be evaluated.
Description
Technical field
The utility model relates to a kind of testing equipment, relates in particular to a kind of testing equipment that detects automobile knee air bag dynamic impulsion performance.
Background technology
The quickening day by day of Along with people's rhythm of life; The self-driving of going out has been main flow, unavoidably some traffic accidents can take place, so road up train safety more and more becomes the emphasis that people pay close attention to; In the frontal crash of vehicles process; Knee air bag can play and support occupant's thigh, and the effect of protection shank plays an important role for driver leg damage in avoiding traffic accident.
The product quality of knee air bag and performance thereof are vital; And the factor that influences the knee air bag product quality and performances has a lot; In order effectively to assess the product quality and performances of knee air bag; Guarantee that properties of product and design performance are consistent, the quality of production of product is consistent, need special experimental facilities and come the detection that makes an experiment of the quality of knee air bag and performance.Can only make detection to some static propertiess of knee air bag in the prior art.But also to be knee air bag the most basic also is one of most important quality index and performance index for the dynamic impulsion performance of knee air bag.
Chinese patent publication number CN 2692655 Y; Open day on April 13rd, 2005; The title of utility model is a drop machine, discloses a kind of drop machine, and a jacking gear and device are connected with wire rope, pulley and motor on the column; Fan the sample table tops with the movable installation two of hinge in the jacking gear; The sample table top supports with movable latch, the inclined-plane through latch upper end and front end be installed on the column hit plate and top board touches, control opening and closing up of two fan sample table tops.Its weak point is to detect static sample.
The utility model content
The utility model can only detect static sample in order to solve existing experimental facilities, can not detect the defective of dynamic test sample and provide a kind of novel, knee air bag dynamic impulsion performance testing equipment process, that can accurately set and write down various test figures can simulating vehicle bumps.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of knee air bag dynamic impulsion performance testing equipment sets gradually Loading Control appearance, fixed support, knocker, knotmeter and rigid support; Said fixed support is provided with spring-feel mechanism; Said rigid support is provided with instrument desk; Said instrument desk is provided with knee air bag; Said knocker and spring-feel mechanism flexibly connect, and said knee air bag is provided with the knee air bag priming device; Said spring-feel mechanism, knotmeter, knee air bag priming device are connected with the Loading Control appearance through pilot.In the present technique scheme; Simulated under the vehicle frontal collision state; The process of knee and knee air bag bump; And the data of knockout process are carried out record through various checkout equipments, and comprising stroke speed, the bump acceleration change of moment, the firm uniqueness of knee air bag etc., purpose is to utilize this aggregation of data to analyze the impact property of knee air bag.Confirm the burst time of knee air bag simultaneously according to the distance after the contact velocity of setting and knocker front end and the knee air bag expansion.Principle does; Under the control of Loading Control appearance, spring-feel mechanism is through the release of spring force, with knocker with the speed bullet set to the knee air bag that is placed on the instrument desk; Utilize the speed of knotmeter record knocker bump knee air bag; Utilization is installed in the acceleration change of the acceleration transducer record bump moment impact device of knocker head, utilizes acceleration change to analyze the stiffness characteristics of knocker, utilizes stiffness characteristics to judge the dynamic impulsion characteristic of knee air bag.
As preferably, said knocker is made up of the impact head and the mounting rod of semicircle shape, and impact head is fixedly connected with mounting rod.In the present technique scheme; The impact head of knocker is imitation human knee's semicircle spheroid, and its center is provided with the knocker mounting hole, and knocker is movably arranged in this hole through mounting rod; Its mounting rod is a right cylinder, can be according to the knocker of test needs configuration different quality.
As preferably, said impact head is provided with acceleration transducer, and acceleration transducer is connected with the Loading Control appearance through pilot.In the present technique scheme, the stiffness characteristics data through the acceleration transducer that is installed on the knocker is gathered knee air bag are used for follow-up performance development and checking.
As preferably, said spring-feel mechanism comprises compressing mechanism, emitter, and said compressing mechanism is fixedly connected with emitter, and said mounting rod is installed on the emitter.In the present technique scheme, mounting rod is installed on the emitter, convenient disassembly.The effect of emitter is that knocker is installed, under the control of Loading Control appearance, utilize elastic force that spring discharges with the knocker bullet to knee air bag; Compressing mechanism is made up of parts such as motor, gear train, pressure transducers, and its effect is control lower compression or the retracting spring in control system, and the pressure of length of spring compressed is set according to testing requirements by Loading Control appearance and pressure transducer.Adopt spring launch mechanism,, can guarantee that therefore the impact velocity of knocker in each test is consistent because spring has good mechanical stability.
As preferably, said knotmeter is a photoelectricity grating knotmeter.In the present technique scheme, through adopting photoelectricity grating knotmeter,, can verify the impact velocity of knocker effectively, thereby guarantee the stability and the reliability of testing equipment performance when knocker will produce two pulse signals during through grating.
As preferably, the central shaft of said knocker and the center of knee air bag are on same plane.In the present technique scheme, knocker and the positive bump of knee air bag in the process of the test are guaranteed on same plane in the central shaft of said knocker and the center of knee air bag.
As preferably, said instrument desk is welded on the rigid support.In the present technique scheme; Knee air bag is fixed according to the mode state of real train test; And whole instrument desk is welded on the rigid support, avoid unsettled rocking being taken place, thereby more accurately the contact position of knee shape knocker and air bag is kept stable because of receiving impacting.
The beneficial effect of the utility model is, provides science to detect data accurately for the new product performance test of knee air bag and the sampling check for quality of bulk article, and reasonable structural arrangement is succinct, low cost of manufacture, and the automaticity height, simple to operate, test figure is accurate.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the circuit frame figure of the utility model.
Among the figure, 1, the Loading Control appearance; 2, spring-feel mechanism; 3, knocker; 4, knotmeter; 5, knee air bag; 6, instrument desk; 7, fixed support 8, rigid support; 21, compressing mechanism; 22, emitter; 31, acceleration transducer; 51, knee air bag priming device.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is done further to describe:
With reference to Fig. 1 and Fig. 2, a kind of knee air bag dynamic impulsion performance testing equipment sets gradually Loading Control appearance 1, fixed support 7, knocker 3, knotmeter 4 and rigid support 8; Said fixed support 7 is provided with spring-feel mechanism 2; Said rigid support 8 is provided with instrument desk 6; Said instrument desk 6 is provided with knee air bag 5; Said knocker 3 flexibly connects with spring-feel mechanism 2, and said knee air bag 5 is provided with knee air bag priming device 51; Said spring-feel mechanism 2, knotmeter 4, knee air bag priming device 51 are connected with Loading Control appearance 1 through pilot.Said knocker 3 comprises the impact head and the mounting rod of semicircle shape, and impact head is fixedly connected with mounting rod, and impact head is provided with acceleration transducer 31, and acceleration transducer 31 is connected with the Loading Control appearance through pilot.Said spring-feel mechanism 2 comprises compressing mechanism 21, emitter 22, and said compressing mechanism 21 is fixedly connected with emitter 22, and said mounting rod is installed on the emitter 22.Said knotmeter 4 is photoelectricity grating knotmeters.The center of the central shaft of said knocker 3 and knee air bag 5 is on same plane.Said instrument desk 6 is welded on the rigid support 8.
Knocker is fixed on the spring transmitter; Through predefined loading force, remain on 10 meter per seconds through adjusting the speed that pressure makes knocker repeatedly, knocker is transported to knee air bag; Confirm the burst time of knee air bag simultaneously according to the distance after the contact velocity of setting and knocker front end and the knee air bag expansion; Make knocker to come in contact, the knee air bag module is fixed on the rigid support, be used to simulate the quick-fried test condition of knee air bag static point in the moment that knee air bag is full of expansion just fully; And through being installed in the stiffness characteristics (F-S curve) of the acceleration transducer record knee air bag on the knocker; Through identical operating condition of test, knee air bag product exemplar is inspected by random samples, thereby assessed this uniformity in product performance.
Claims (7)
1. a knee air bag dynamic impulsion performance testing equipment is characterized in that, sets gradually Loading Control appearance (1), fixed support (7), knocker (3), knotmeter (4) and rigid support (8); Said fixed support (7) is provided with spring-feel mechanism (2); Said rigid support (8) is provided with instrument desk (6); Said instrument desk (6) is provided with knee air bag (5); Said knocker (3) flexibly connects with spring-feel mechanism (2), and said knee air bag (5) is provided with knee air bag priming device (51); Said spring-feel mechanism (2), knotmeter (4), knee air bag priming device (51) are connected with Loading Control appearance (1) through pilot.
2. knee air bag dynamic impulsion performance testing equipment according to claim 1 is characterized in that said knocker (3) is made up of the impact head and the mounting rod of semicircle shape, and impact head is fixedly connected with mounting rod.
3. knee air bag dynamic impulsion performance testing equipment according to claim 2 is characterized in that said impact head (3) is provided with acceleration transducer (31), and acceleration transducer (31) is connected with the Loading Control appearance through pilot.
4. a kind of knee air bag dynamic impulsion performance testing equipment according to claim 1 and 2; It is characterized in that; Said spring-feel mechanism (2) comprises compressing mechanism (21), emitter (22); Said compressing mechanism (21) is fixedly connected with emitter (22), and said mounting rod is installed on the emitter (22).
5. knee air bag dynamic impulsion performance testing equipment according to claim 1 is characterized in that, said knotmeter (4) is a photoelectricity grating knotmeter.
6. according to claim 1 or 2 or 5 described knee air bag dynamic impulsion performance testing equipment, it is characterized in that the center of the central shaft of said knocker (3) and knee air bag (5) is on same plane.
7. knee air bag dynamic impulsion performance testing equipment according to claim 1 and 2 is characterized in that said instrument desk (6) is welded on the rigid support (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204421139U CN202420806U (en) | 2011-11-10 | 2011-11-10 | Equipment for testing dynamic impact performance of knee air bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204421139U CN202420806U (en) | 2011-11-10 | 2011-11-10 | Equipment for testing dynamic impact performance of knee air bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202420806U true CN202420806U (en) | 2012-09-05 |
Family
ID=46745561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204421139U Expired - Lifetime CN202420806U (en) | 2011-11-10 | 2011-11-10 | Equipment for testing dynamic impact performance of knee air bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202420806U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344439A (en) * | 2013-07-08 | 2013-10-09 | 延锋百利得（上海）汽车安全系统有限公司 | Test tool of knee safety air bag |
| CN105004502A (en) * | 2015-08-18 | 2015-10-28 | 重庆理工大学 | Airbag linear impact test platform and test method |
| CN105910903A (en) * | 2016-05-25 | 2016-08-31 | 昆山浩硕精密机械有限公司 | Device for detecting rigidity of automobile safety airbag |
| CN106018085A (en) * | 2016-05-25 | 2016-10-12 | 昆山浩硕精密机械有限公司 | Automobile airbag rigidity detection device |
| CN108398224A (en) * | 2018-04-27 | 2018-08-14 | 中国矿业大学(北京) | A kind of oil-gas pipeline impact disaster simulation experiment porch and application process |
| CN112378632A (en) * | 2020-10-30 | 2021-02-19 | 中国航空工业集团公司北京航空精密机械研究所 | Air bag loading device |
| CN112807124A (en) * | 2021-02-09 | 2021-05-18 | 天津理工大学 | Knee joint impact simulation loading device |
-
2011
- 2011-11-10 CN CN2011204421139U patent/CN202420806U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344439A (en) * | 2013-07-08 | 2013-10-09 | 延锋百利得（上海）汽车安全系统有限公司 | Test tool of knee safety air bag |
| CN103344439B (en) * | 2013-07-08 | 2015-07-22 | 延锋百利得（上海）汽车安全系统有限公司 | Test tool of knee safety air bag |
| CN105004502A (en) * | 2015-08-18 | 2015-10-28 | 重庆理工大学 | Airbag linear impact test platform and test method |
| CN105910903A (en) * | 2016-05-25 | 2016-08-31 | 昆山浩硕精密机械有限公司 | Device for detecting rigidity of automobile safety airbag |
| CN106018085A (en) * | 2016-05-25 | 2016-10-12 | 昆山浩硕精密机械有限公司 | Automobile airbag rigidity detection device |
| CN105910903B (en) * | 2016-05-25 | 2018-09-21 | 昆山浩硕精密机械有限公司 | Safe automobile air bag rigidity detection device |
| CN106018085B (en) * | 2016-05-25 | 2018-10-23 | 昆山浩硕精密机械有限公司 | A kind of safe automobile air bag rigidity detection device |
| CN108398224A (en) * | 2018-04-27 | 2018-08-14 | 中国矿业大学(北京) | A kind of oil-gas pipeline impact disaster simulation experiment porch and application process |
| CN112378632A (en) * | 2020-10-30 | 2021-02-19 | 中国航空工业集团公司北京航空精密机械研究所 | Air bag loading device |
| CN112807124A (en) * | 2021-02-09 | 2021-05-18 | 天津理工大学 | Knee joint impact simulation loading device |
| CN112807124B (en) * | 2021-02-09 | 2024-04-16 | 天津理工大学 | Knee joint impact simulation loading device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Jingang Automobile Co., Ltd. Assignor: Zhejiang Geely Automobile Research Institute Co., Ltd., Zhejiang Geely Holding Group Company Limited Contract record no.: 2013330000318 Denomination of utility model: Equipment for testing dynamic impact performance of knee air bag Granted publication date: 20120905 License type: Exclusive License Record date: 20131012 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |