CN114459717A - Air bag point explodes impact force testing arrangement - Google Patents
Air bag point explodes impact force testing arrangement Download PDFInfo
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- CN114459717A CN114459717A CN202210034190.3A CN202210034190A CN114459717A CN 114459717 A CN114459717 A CN 114459717A CN 202210034190 A CN202210034190 A CN 202210034190A CN 114459717 A CN114459717 A CN 114459717A
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- windshield
- mounting table
- airbag
- plate
- impact force
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
Abstract
The invention discloses a device for testing the explosion impact force of an air bag, which belongs to the field of automobile assembly testing and comprises a base frame, a first mounting table and a second mounting table, wherein the base frame is provided with the first mounting table and the second mounting table; the first mounting table and the second mounting table are parallel to the horizontal plane; the air bag fixing component is fixed on the first mounting table; the windshield simulation plate is mounted on the second mounting table through a bracket assembly; the lower end of the windshield simulation plate is hinged with the support assembly; the upper end of the windshield simulation plate is mounted on the support assembly through a pulley block, and the pulley block is adjusted to enable an included angle between the windshield simulation plate and the first mounting platform to be adjusted; a force gauge; the force value sensor is pasted on the windshield simulation plate, and the pasted position is in positive correspondence with the position of the air bag fixing component; through the testing arrangement of this scheme of design, can bear the impact force value with the front windshield design and compare, judge in advance whether the windshield is broken and important results such as gasbag development gesture.
Description
Technical Field
The invention belongs to the field of automobile assembly testing, and particularly relates to a device for testing the explosion impact force of an airbag.
Background
The arrangement position of a passenger airbag in the whole vehicle and the design of peripheral related parts (a front windshield, an instrument panel, an air outlet, a front liquid crystal large screen and the like) of the passenger airbag in the whole vehicle play a vital role in the process of igniting the passenger airbag, for example, the distance between the upper surface of the instrument panel and the front windshield can greatly influence whether windshield glass can be broken when the passenger airbag is ignited.
Because the design value of the distance from the upper surface of the instrument panel to the front windshield relates to the earlier work of modeling and total arrangement, in order to clearly provide the requirement of the pilotless airbag part for the design of the key parameter, the impact value of the pilotless airbag to the front windshield after the pilotless airbag is detonated in the design of the environmental part needs to be known in advance so as to judge whether the front windshield can bear the impact of the airbag, namely the impact value is smaller than the upper limit of the impact value which can be borne by the front windshield.
Aiming at the measurement of the impact force of the air bag, the existing assistant driving safety air bag subsystem device has the advantages that related parameters can be randomly adjusted according to the design of surrounding environment parts of the assistant driving safety air bag to carry out experimental verification, the impact force value of the air bag is obtained in advance, so that the impact result on the front windshield glass is judged in advance, the design requirements on the whole vehicle modeling and the general arrangement are provided, and the assistant driving safety air bag subsystem device has the defects that the adjustment time is possibly long, and meanwhile, the adjustment can not be carried out along with the actual test condition.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a new technical scheme, which can pre-research the impact force value of the air bag in advance, can accurately output the result and provide accurate information reference for designers.
The specific scheme provided by the invention is as follows:
the device for testing the explosion impact force of the safety air bag comprises
A base frame having a first mounting stage and a second mounting stage; the first mounting table and the second mounting table are parallel to the horizontal plane;
the air bag fixing assembly is fixed on the first mounting table;
the windshield simulation plate is mounted on the second mounting table through a bracket assembly; the lower end of the windshield simulation plate is hinged with the support assembly; the upper end of the windshield simulation plate is mounted on the support assembly through a pulley block, and the pulley block is adjusted to enable an included angle between the windshield simulation plate and the first mounting platform to be adjusted;
a force gauge; the force value sensor is pasted on the windshield simulation plate, and the pasted position is in positive correspondence with the position of the air bag fixing component.
Further, the bracket component also comprises a lifting structure, the lower end of the windshield simulation plate is hinged to the lifting structure, and the lifting action of the lifting structure enables the lower end of the windshield simulation plate to be adjusted relative to the distance between the first installation tables.
Furthermore, the lifting structure comprises a lifting frame, a screw rod, a first turntable and a hinge seat;
the lifting frame is fixed on the second mounting table;
the screw rod penetrates through the lifting frame, and the lower end of the screw rod is in threaded connection with the hinge base; the first rotating disc is fixed at the upper end of the screw rod;
the windshield simulation plate is hinged with the hinge seat; and the first rotating disc is rotated to enable the screw rod to rotate, and the hinge base moves up and down to realize the up-and-down adjustment of the windshield simulation plate.
Furthermore, the pulley block comprises a second rotary table, a long rod, two idler wheels, pulleys and a pull wire, wherein the long rod is rotatably arranged on the second mounting table, the second rotary table is fixed at one end of the long rod, and the two idler wheels are arranged on the long rod at intervals; the two pulleys are fixed on the top of the base frame and correspond to the rollers; one end of the stay wire is wound on the roller, and the other end of the stay wire rounds the pulley and is connected with the upper end of the windshield simulation plate.
Furthermore, a concave cavity is arranged in the air bag fixing assembly and used for containing the air bag.
Further, the airbag fixing assembly comprises a bottom plate and a body part arranged above the bottom plate, and the cavity is arranged in the body part; the bottom plate is connected with the body part through a support plate.
Furthermore, the bed frame is assembled by a plurality of banding support frames and forms, just the bottom of bed frame sets up removes the wheel.
The beneficial effect that adopts this technical scheme to reach does:
through the testing device of the scheme, the Z-direction distance from the intersection point of the central axis of the copilot safety airbag and the instrument board to the windshield glass (windshield simulation plate) and the angle between the central axis of the copilot safety airbag and the windshield glass (windshield simulation plate) can be adjusted at will, the impact force test of the subsystem of the copilot safety airbag is carried out, the impact force value which can be borne by the design of the front windshield glass is compared, whether the windshield glass is broken, the airbag unfolding posture and other important results are judged in advance, and important basis is provided for the design of the whole vehicle model.
Drawings
Fig. 1 is a schematic view of the overall structure of the testing apparatus.
Figure 2 is a structural diagram of a base frame in the device,
fig. 3 is an assembly structure view of the damper simulation plate, the lifting structure and the pulley block in the device.
Fig. 4 is a perspective view of the airbag fixing module.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
The embodiment provides an air bag point explosion impact force testing device, and the testing device realizes comparing the impact force value that can be born in the design of the front windshield glass by adopting the above testing device, judges important results such as whether the windshield glass is broken and the air bag is unfolded in advance, and provides important basis for the design of the whole vehicle.
In the present solution, referring to fig. 1 to 4, a testing device is provided, which comprises a base frame 10, an airbag fixing assembly 20, a windshield simulation plate 30 and a dynamometer 40, wherein for better testing purposes and better assembly, two planar platforms, specifically a first mounting platform 11 and a second mounting platform 12, are provided on the base frame 10; the first mounting table 11 and the second mounting table 12 are parallel to the horizontal plane; the stable mounting of the remaining components is achieved by providing two platforms, namely a first mounting stage 11 and a second mounting stage 12.
An airbag fixing module 20 is provided to be fixed to the first mounting stage 11; a windshield simulating plate 30 is mounted on the second mounting table 12 through a bracket assembly; and the lower end of the windshield simulating plate 30 is hinged with the bracket component; the upper end of the windshield simulation plate 30 is mounted on the bracket assembly through a pulley block 50, and the pulley block 50 is adjusted to adjust the included angle between the windshield simulation plate 30 and the first mounting platform 11; the force value sensor of the force gauge 40 is attached to the windshield simulating plate 30 at a position corresponding to the position of the airbag fixing module 20.
It will be appreciated that by using the pulley arrangement 50, the adjustment of the windscreen simulating panel 30 can be achieved in such a way that the pulley arrangement 50 is actuated and then the windscreen simulating panel 30 is rotated about the hinge point, thereby effecting a change in the angle between the windscreen simulating panel 30 and the first mounting platform 11. Thus, during the test, the operator can adjust the angle according to the actual situation, wherein the angle adjustment is mainly realized by the angle parameter between the air bag fixing component 20 and the windshield simulating plate 30.
In the scheme, the pulley block 50 is specifically connected with the upper end of the windshield simulation plate 30, so that the parameters can be tested more objectively and specifically, by adopting the simulation testing device, the design value of the impact-bearing force of the front windshield glass can be compared, whether the windshield glass is broken or not and the airbag unfolding posture and other important results can be judged in advance, and an important basis is provided for the design of the whole vehicle model.
The specific composition structure of the scheme is described in detail as follows:
in this embodiment, the bracket assembly further includes a lifting structure 41, the lower end of the windshield simulating plate 30 is hinged to the lifting structure 41, and the lifting action of the lifting structure 41 enables the distance between the lower end of the windshield simulating plate 30 and the first mounting platform 11 to be adjusted.
The lifting structure 41 comprises a lifting frame, a screw rod, a first rotating disc and a hinge seat; wherein the crane is fixed on the second mounting table 12; the screw rod penetrates through the lifting frame, and the lower end of the screw rod is in threaded connection with the hinge base; the first rotating disc is fixed at the upper end of the screw rod; the windshield simulation plate 30 is hinged with the hinge base; and the first rotating disc is rotated to enable the screw rod to rotate, and the hinge base moves up and down to realize the up-and-down adjustment of the windshield simulation plate.
It can be understood that, in the present scheme, the adjustment of the angle between the windshield simulation plate 30 and the airbag fixing component 20 is realized by using the pulley block 50, and the adjustment of the Z-direction distance between the windshield simulation plate 30 and the airbag fixing component 20 is realized by using the lifting structure 41 provided herein, that is, by adopting the present scheme, the two parameters of the Z-direction distance between the central axis of the passenger airbag and the windshield, the two parameters of the central axis of the passenger airbag and the angle of the windshield can be adjusted at will, and the impact force test of the passenger airbag subsystem is performed.
In the scheme, the pulley block 50 comprises a second rotary disc, a long rod, two idler wheels, a pulley 51 and a pull wire 52, wherein the long rod is rotatably arranged on the second mounting table 12, the second rotary disc is fixed at one end of the long rod, and the two idler wheels are arranged on the long rod at intervals; two pulleys 51 are also arranged, and the two pulleys 51 are fixed on the top of the base frame 10 and correspond to the rollers; one end of the pull wire 52 is wound on the roller, and the other end of the pull wire is connected with the upper end of the windshield simulating plate by passing through the pulley 51.
The pull wire 52 is wound and unwound by the roller wheel through rotating the second turntable; the pull wire 52 is specifically a steel cable, so that the windshield simulation plate is fixedly connected through the steel cable, the windshield simulation plate can be ensured to bounce after being impacted by the air bag arranged in the air bag fixing component 20, an impact force value is obtained, the device can be ensured not to be damaged by overlarge impact force, and the device can be used repeatedly; of course, the impact point corresponds to the force value sensor of the load cell 40, so that the specific data of the airbag after being popped up can be accurately measured by the load cell 40.
Specifically, a cavity is provided in the airbag mounting assembly 20, where the cavity is used to house an assembly airbag. The specific composition of the airbag fixing component comprises a bottom plate 21 and a body part 22 arranged above the bottom plate, wherein the cavity is arranged in the body part 22; the bottom plate 21 and the main body 22 are connected by a support plate 23.
In order to reduce the weight of the whole testing device, in the scheme, the base frame 10 is formed by assembling a plurality of strip-shaped supporting frames, and the bottom of the base frame is provided with the moving wheels, so that the whole device can be conveniently moved.
According to the technical scheme, by means of the test device, two parameters including the Z-direction distance from the intersection point of the central axis of the copilot safety airbag and the instrument board to the windshield glass (windshield simulation plate) and the angle between the central axis of the copilot safety airbag and the windshield glass (windshield simulation plate) can be adjusted at will, impact force test of a subsystem of the copilot safety airbag is carried out, the impact force value can be compared with the designed bearable impact force value of the front windshield glass, important results such as whether the windshield glass is broken and the airbag unfolding posture are judged in advance, and important basis is provided for the design of the whole vehicle model.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The device for testing the explosion impact force of the safety air bag is characterized by comprising
A base frame (10) having a first mounting table (11) and a second mounting table (12); the first mounting table (11) and the second mounting table (12) are parallel to the horizontal plane;
an airbag fixing assembly (20) fixed on the first mounting table (11);
a windshield simulating plate (30) mounted on the second mounting table (12) through a bracket assembly; the lower end of the windshield simulation plate (30) is hinged with the bracket component; the upper end of the windshield simulation plate (30) is mounted on the bracket component through a pulley block (50), and the pulley block (50) is adjusted to enable the included angle between the windshield simulation plate (30) and the first mounting platform (11) to be adjusted;
a load cell (40); the force value sensor is pasted on the windshield simulation plate (30), and the pasted position corresponds to the position of the air bag fixing component (20).
2. The airbag detonation impact force testing device according to claim 1, wherein the bracket assembly further comprises a lifting structure (41), the lower end of the windshield simulating plate (30) is hinged to the lifting structure (41), and the lifting action of the lifting structure (41) enables the distance between the lower end of the windshield simulating plate (30) and the first mounting table (11) to be adjusted.
3. The device for testing the explosion impact force of the airbag according to claim 2, wherein the lifting structure (41) comprises a lifting frame, a screw rod, a first rotary disc and a hinge seat;
the lifting frame is fixed on the second mounting table (12);
the screw rod penetrates through the lifting frame, and the lower end of the screw rod is in threaded connection with the hinge base; the first rotating disc is fixed at the upper end of the screw rod;
the windshield simulation plate (30) is hinged with the hinge base; the first rotating disc is rotated to enable the screw rod to rotate, and the hinge base moves up and down to achieve up-and-down adjustment of the windshield simulation plate (30).
4. The device for testing the explosion impact force of the airbag according to claim 3, wherein the pulley block (50) comprises a second rotary disc, a long rod, two rolling wheels, a pulley (51) and a pull wire (52), the long rod is rotatably arranged on the second mounting table (12), the second rotary disc is fixed at one end of the long rod, and the two rolling wheels are arranged on the long rod at intervals; the number of the pulleys (51) is two, and the two pulleys (51) are fixed on the top of the base frame (10) and correspond to the rollers; one end of the pull wire (52) is wound on the roller, and the other end of the pull wire is connected with the upper end of the windshield simulation plate (30) by winding the pulley (51).
5. The airbag detonation impact force testing device according to claim 4, characterized in that a cavity is arranged in the airbag fixing assembly (20), and the cavity is used for containing an airbag.
6. The airbag detonation impact force testing device according to claim 5, characterized in that the airbag fixing assembly (20) comprises a bottom plate (21) and a body portion (22) arranged above the bottom plate (21), and the cavity is arranged in the body portion (22); the bottom plate (21) and the body portion (22) are connected by a support plate (23).
7. The device for testing the explosion impact force of the airbag according to any one of claims 1 to 6, wherein the base frame (10) is formed by assembling a plurality of strip-shaped support frames, and moving wheels are arranged at the bottom of the base frame (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210034190.3A CN114459717A (en) | 2022-01-12 | 2022-01-12 | Air bag point explodes impact force testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210034190.3A CN114459717A (en) | 2022-01-12 | 2022-01-12 | Air bag point explodes impact force testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114459717A true CN114459717A (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210034190.3A Pending CN114459717A (en) | 2022-01-12 | 2022-01-12 | Air bag point explodes impact force testing arrangement |
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| Country | Link |
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| CN (1) | CN114459717A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115214857A (en) * | 2022-07-12 | 2022-10-21 | 江苏科技大学 | Dynamic unfolding device for anti-collision air bag of medium and large ship |
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| CN207623016U (en) * | 2017-12-07 | 2018-07-17 | 上海天合汽车安全系统有限公司 | A kind of quick-fried test tool of safe automobile air bag static point |
| CN108593309A (en) * | 2018-04-28 | 2018-09-28 | 重庆长安汽车股份有限公司 | A kind of air bag static test device |
| CN213714733U (en) * | 2020-12-31 | 2021-07-16 | 广州茗点智能装备有限公司 | Safety air bag testing device |
| CN214010733U (en) * | 2020-11-27 | 2021-08-20 | 宁波均胜汽车安全系统有限公司 | Test bed for measuring unfolding acting force of passenger side airbag |
-
2022
- 2022-01-12 CN CN202210034190.3A patent/CN114459717A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207623016U (en) * | 2017-12-07 | 2018-07-17 | 上海天合汽车安全系统有限公司 | A kind of quick-fried test tool of safe automobile air bag static point |
| CN108593309A (en) * | 2018-04-28 | 2018-09-28 | 重庆长安汽车股份有限公司 | A kind of air bag static test device |
| CN214010733U (en) * | 2020-11-27 | 2021-08-20 | 宁波均胜汽车安全系统有限公司 | Test bed for measuring unfolding acting force of passenger side airbag |
| CN213714733U (en) * | 2020-12-31 | 2021-07-16 | 广州茗点智能装备有限公司 | Safety air bag testing device |
Non-Patent Citations (1)
| Title |
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| 上海交通大学: "机电词典", 机械工业出版社, pages: 735 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115214857A (en) * | 2022-07-12 | 2022-10-21 | 江苏科技大学 | Dynamic unfolding device for anti-collision air bag of medium and large ship |
| CN115214857B (en) * | 2022-07-12 | 2023-06-27 | 江苏科技大学 | Dynamic unfolding device for anti-collision air bags of medium and large ships |
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