CN102809457B - Device for measuring counter-acting force of automobile safety airbag - Google Patents
Device for measuring counter-acting force of automobile safety airbag Download PDFInfo
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- CN102809457B CN102809457B CN201210281285.1A CN201210281285A CN102809457B CN 102809457 B CN102809457 B CN 102809457B CN 201210281285 A CN201210281285 A CN 201210281285A CN 102809457 B CN102809457 B CN 102809457B
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- runing rest
- locking plate
- air bag
- side locking
- automobile air
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Abstract
The invention discloses a device for measuring a counter-acting force of an automobile safety airbag. The device comprises a mechanical part, wherein the mechanical part consists of a universal base frame and a dedicated installation positioning frame; the universal base frame comprises a left side support frame, a rotary bracket, support columns, a worm gear, a right side support frame, a worm and a worm bearing base; the rotary bracket is arranged on the left side support frame and the right side support frame in a rotating connection way; a left side fastening disc and a right side fastening disc are sleeved on a left rotary shaft and a right rotary shaft of the rotary bracket in key connection; the worm gear arranged at the right side of the right side fastening disc is in meshing connection with the worm; the left side fastening disc on the left rotary shaft, the right side fastening disc on the right rotary shaft and the worm gear are fixed on the rotary bracket by screw nuts; the left side fastening disc on the left rotary shaft and the right side fastening disc are fixed on the left side support frame and the right side support frame by screws; the lower ends of four support columns are in thread connection with the top end faces of the left side support frame and the right side support frame; and the upper ends of the four support columns are in bolt connection with an airbag restraining plate. The dedicated installation positioning frame is arranged on the rotary bracket.
Description
Technical field
The present invention relates to a kind of test unit of safe automobile air bag.The test unit of reacting force situation of change while or rather, the present invention relates to the static expansion of a kind of testing automobile air bag.
Background technology
Along with the surge of automobile quantity and the raising of the speed of a motor vehicle, it is frequent and serious that traffic hazard becomes, and the security of automobile is valued by the people day by day.Air bag is supplementary constraints system and the matching used security system of three-point safety belt.Effect is the secondary collision injury that the huge inertial force that brings causes driver and conductor of reduce colliding, and relaxes the impact that driver and conductor is subject to and also absorbs collision energy, protection driver and conductor safety.Safe automobile air bag is divided into again the kinds such as DAB, PAB, SAB, PAS, CAB, ECU.
Safe automobile air bag generally comprises sensor (sensor), ECU (Electrical Control Unit) (ECU), gas generator (inflator), gasbag (bag) and support etc.When the momentum being subject to when the crash sensor of automobile surpasses setting, ECU (Electrical Control Unit) is sent a trigger pulse to gas generator, trigger the detonator in generator, the fuel cassette of blasting cap detonation gas breakdown hair device, solid fuel is lighted and produced high temperature, gases at high pressure (nitrogen), gas is filtered after cooling and is poured gasbag by filtrator rapidly.Gasbag expands and reaches maximum volume in 20～50ms, with driver and conductor's safety in securing band mating protection car.
According to GB/T19949.2-2005/ISO12097-2:1996, adopt the static expansion test of safe automobile air bag and pressure vessel test to test the performance to automobile safety air bag gas generator, the expansion performance of gasbag and the mechanical mechanism of safe automobile air bag and test respectively, then by the combination property of related experiment data and safe automobile air bag each several part Performance Evaluation safe automobile air bag.
Object and the relative merits of comprehensive above two kinds of experiments, proposed the experiment of safe automobile air bag reacting force.This experiment is when considering that safe automobile air bag is static and launch, the effect acting on backward by it reflects the principle of the characteristic that it is inflated forward, by the static reacting force launching of the direct measured automobiles air bag of power sensor, assess the properties of safe automobile air bag.Compare the impact that the static expansion test of safe automobile air bag exists human factor, and in pressure vessel test test due to the difference of pressure vessel, the result that distinct device is made is difficult to use same standard determination, the method objective, has improved checkability, has reduced inspection cost, has reduced check erroneous judgement.
Restriction due to domestic existing experimental facilities, the most experiment porch that adopts Special experimental equipment or build temporarily of acting force experiment of safe automobile air bag completes experiment, experimentation cost is high, process is loaded down with trivial details, and test accuracy is poor, can not deal with miscellaneous air bag test assignment.
Summary of the invention
Technical matters to be solved by this invention is to have overcome prior art to have that experimentation cost is high, process is loaded down with trivial details, test accuracy is poor and the problem that can not deal with miscellaneous safe automobile air bag test assignment, and a kind of safe automobile air bag reacting force proving installation is provided.
For solving the problems of the technologies described above, the present invention adopts following technical scheme to realize: described safe automobile air bag reacting force proving installation is comprised of mechanical part and control section.Described mechanical part is comprised of general pedestal and the special-purpose locating rack of installing.
Described general pedestal comprises left side bracing frame, left side locking plate, airbag restraint plate, runing rest, support column, right side locking plate, worm gear, right side bracing frame, worm screw and worm shaft bearing that 4 root architectures are identical.
Left-handed rotating shaft on runing rest and dextral shaft adopt rolling bearing to be arranged on left side bracing frame and right side bracing frame as being rotationally connected, on the left-handed rotating shaft of runing rest and dextral shaft, be set with left side locking plate and right side locking plate, the worm gear that install on the right side of right side locking plate is connected with the worm mesh being arranged on the bracing frame of right side, tetragonal body or the hexahedron of being convenient to load and unload rotary spanner is processed in one end of worm screw, left side locking plate and right side locking plate are arranged in the left-handed rotating shaft and dextral shaft of runing rest by key, adopt nut that the right side locking plate on the left side locking plate in left-handed rotating shaft and dextral shaft and worm gear are fixed in the left-handed rotating shaft and dextral shaft of runing rest, adopt screw that the left side locking plate in general pedestal and right side locking plate are fixed on left side bracing frame and right side bracing frame, lower end and the left side bracing frame of the support column that 4 structures are identical are threaded with the top end face of right side bracing frame, the upper end of the support column that 4 structures are identical is connected with air bag restraining plate bolt, the special-purpose locating rack of installing is arranged on runing rest.
Runing rest described in technical scheme is to adopt square steel pipe welded to be processed into the tower structure part of U font, be that runing rest is by anticlockwise cradle wall, at the bottom of right rotation cradle wall and runing rest, form, anticlockwise cradle wall and right rotation cradle wall be parallel to each other be arranged on symmetrically two ends at the bottom of runing rest and and runing rest dolly straight, on the left surface of the anticlockwise cradle wall of runing rest, with on the right flank of right rotation cradle wall, left-handed rotating shaft and the dextral shaft vertical with left and right side are installed, on the left-handed rotating shaft of runing rest and dextral shaft, be processed with keyway, and adopt screw by left-handed rotating shaft and dextral shaft be arranged on anticlockwise cradle wall in runing rest with on right rotation cradle wall for being fixedly connected with, the axis of rotation of left-handed rotating shaft and dextral shaft is on same axis, on the runing rest bottom surface of runing rest, be provided with steel plate.
Strong sensor is installed on the runing rest described in technical scheme, for arranging on single-point, in the layout, 3 of power sensor, arrange at the bottom of the runing rest of power sensor in runing rest on arranging at the bottom of the horizontal layout of power sensor and the runing rest in runing rest at 4 in the horizontal layout, of power sensor be arranged at the bottom of runing rest on additional support frame on arrange power sensor space layout.
Left side locking plate described in technical scheme is the tray type structure part that structure is identical with right side locking plate, left side locking plate and right side locking plate are all connected with a torus by a ring flange, the periphery of ring flange is provided with the oval arc through hole of 2 concentrics symmetrically, and the center of ring flange is provided with central through hole; The axis of rotation conllinear of torus and ring flange, the central through hole equal diameters of toric diameter of bore and ring flange, is provided with keyway vertically in the central through hole of toric endoporus and ring flange.
Compared with prior art the invention has the beneficial effects as follows:
1. safe automobile air bag reacting force proving installation of the present invention can complete that safe automobile air bag is static launches reacting force experiment, and the situation of change of reacting force while recording by data whole process that safe automobile air bag is static to launch.Can be widely used in safe automobile air bag comprehensive Design and performance test, and can be body of a motor car skeleton simultaneously, seat, instrument panels etc. provide important design parameter.
2. safe automobile air bag reacting force proving installation of the present invention can complete the safe automobile air bag of variety classes and different experiments requirement is tested, and has good versatility, has saved experimentation cost, has improved the emulation of experiment.
3. the mechanical part in safe automobile air bag reacting force proving installation of the present invention is divided into general pedestal and the special-purpose locating rack of installing.Make safe automobile air bag fixture there is versatility and specificity simultaneously.
4. the main body of the general pedestal in safe automobile air bag reacting force proving installation of the present invention is runing rest, can adjust angle locking.Rotating mechanism adopts worm and gear principle, and is aided with rotation positioning disk and clamps.Improved the stability of whole safe automobile air bag reacting force proving installation, reduced the error that impulsive force produces, made the static reacting force launching of testing automobile air bag that sensor can be stable.
5. the general pedestal in safe automobile air bag reacting force proving installation of the present invention is provided with different installation of sensors points, can adopt different power sensors and different sensor placements according to requirement of experiment, increase the dirigibility of experiment, meet different requirement of experiment and method.
6. on the left rotation and right rotation bracing frame in safe automobile air bag reacting force proving installation of the present invention, support column is installed, in order to airbag restraint plate to be installed.Restraining plate is used for imitating with the combination of buffering cover plate the constraint that true environment is launched safe automobile air bag, improves experimental precision, the emulation of Enhancement test.
7. safe automobile air bag reacting force proving installation of the present invention adopts high-speed synchronous data acquiring card to complete the static synchronous acquisition that launches reacting force of air bag as the core of data acquisition process part, greatly improve sample rate and the precision of device, shortened the development time, reduce cost of development, improved the reliability of test macro.
8. safe automobile air bag reacting force proving installation of the present invention can be connected with high-speed camera equipment type, make whole safe automobile air bag reacting force proving installation there is image acquisition analytic function, can be analyzed with the data of sensor collection the practicality of intensifier.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated:
Fig. 1 is the shaft side projection drawing that safe automobile air bag reacting force proving installation structure of the present invention forms;
Fig. 2 is the shaft side projection drawing that in safe automobile air bag reacting force proving installation of the present invention, general pedestal structure forms;
Fig. 3 is the cut-open view on the front view that forms of safe automobile air bag reacting force proving installation structure of the present invention;
Fig. 4 is the left view that in safe automobile air bag reacting force proving installation of the present invention, universal mount structure forms;
Fig. 5 is the shaft side projection drawing of safe automobile air bag reacting force proving installation Shang Li sensor of the present invention space layout
Fig. 6 is the control section structural principle schematic block diagram in safe automobile air bag reacting force proving installation of the present invention;
In figure: 1. safe automobile air bag, 2. special-purpose locating rack, the 3. general pedestal installed; 4. left side bracing frame, 5. left side locking plate, 6. airbag restraint plate, 7. runing rest, 8. support column, 9. right side locking plate, 10. worm gear, 11. right side bracing frames, 12. worm screws, 13. worm shaft bearings, 14. additional support framves, 15. power sensors;
Embodiment
Below in conjunction with accompanying drawing, the present invention is explained in detail:
Consult Fig. 1, safe automobile air bag reacting force proving installation of the present invention is comprised of mechanical part and control section.Described mechanical part is comprised of general pedestal 3 and the special-purpose locating rack 2 of installing.Safe automobile air bag reacting force proving installation has versatility and specificity.
The main body of the general pedestal 3 in described safe automobile air bag reacting force proving installation is runing rests 7, can adjust angle locking.The installation site of the special use installation locating rack 2 of strong sensor 15 and safe automobile air bag 1 is set on runing rest 7, can does corresponding adjustment according to dissimilar safe automobile air bag 1 and requirement of experiment.Special-purpose installation locating rack 2 is according to the model of safe automobile air bag 1 and installation method, the special-purpose fixing and mounting bracket of making.The special-purpose locating rack 2 of installing is connected with universal mount 3 by power sensor 15.When safe automobile air bag 1 launches, reacting force is installed locating rack 2 by special use and is delivered on power sensor 15.Make safe automobile air bag reacting force proving installation there is versatility and specificity simultaneously, saved experimentation cost, improved the emulation of experiment test.
Consult Fig. 2 and Fig. 3, the general pedestal 3 in the mechanical part of safe automobile air bag reacting force proving installation of the present invention comprises left side bracing frame 4, left side locking plate 5, airbag restraint plate 6, support column 8, right side locking plate 9, worm gear 10, right side bracing frame 11, worm screw 12 and worm shaft bearing 13 that runing rest 7,4 root architectures are identical.
Described general pedestal 3 can be adjusted angle and locking.Left-handed rotating shaft on runing rest 7 and dextral shaft adopt rolling bearing to be arranged on left side bracing frame 4 and right side bracing frame 11 as being rotationally connected.Left side bracing frame 4 and right side bracing frame 11 are fixed by screws on stable test table top.General pedestal 3 adopts worm and gear and the irreversible principle of Worm Wheel System to realize anglec of rotation adjustment and the self-locking to runing rest 7.Square toes (being tetragonal body or hexahedron) are processed in worm screw 13 one end (left end), are convenient to load and unload rotary spanner.On the left-handed rotating shaft in left side bracing frame 4 and right side bracing frame 11 outsides of runing rest 7 and dextral shaft, be set with left side locking plate 5 and right side locking plate 9, on the left-handed rotating shaft of runing rest 7 and dextral shaft, process keyway, left side locking plate 5 and right side locking plate 9 are positioned in the left-handed rotating shaft and dextral shaft of runing rest 7 by key, the right side of right side locking plate 9 is provided with worm gear 10, worm gear 10 with by worm shaft bearing 13, be arranged on worm screw 12 on right side bracing frame 11 and be meshed and realize the angular setting of runing rest 7, then by nut, left-handed rotating shaft is fixed in the left-handed rotating shaft and dextral shaft of runing rest 7 with the left side locking plate 5 on dextral shaft together with right side locking plate 9 and worm gear 10.Adopt again screw the left side locking plate on runing rest 75 and right side locking plate 9 to be fixed on on left side bracing frame 4 and right side bracing frame 11, to realize the integral body of runing rest 7 fastening, object is to eliminate the backlash existing between worm and gear, increases the stability of the runing rest 7 in safe automobile air bag reacting force proving installation.On the locking plate 4 of left side, be carved with scale, be convenient to accurately control the anglec of rotation.
Left side locking plate 5 is the tray type structure part that structure is identical with right side locking plate 9, and left side locking plate 5 and right side locking plate 9 are all connected with a torus by a ring flange.The periphery of ring flange is provided with the oval arc through hole of 2 concentrics symmetrically, and the center of ring flange is provided with central through hole; The axis of rotation conllinear of torus and ring flange, the central through hole equal diameters of toric diameter of bore and ring flange, is provided with keyway on the central through hole wall of toric endoporus and ring flange vertically.
Quantity, layout and the model of the power sensor 15 on the general pedestal 3 in described safe automobile air bag reacting force proving installation can change according to requirement of experiment, such as applicable one dimension pull pressure sensor, two-dimentional pull pressure sensor or three-dimensional pull pressure sensor etc.
Consult Fig. 2 and Fig. 5, in the test of the static expansion reacting force of safe automobile air bag 1, the layout of power sensor 15 is particularly important.Different 1 pair of safe automobile air bag are adopted force and are required also different.For adapting to requirement of experiment, on runing rest 7, be provided with the mounting points of different power sensors 15, according to the difference of requirement of experiment and power sensor 15, simply transform or adjust, just can adapt to the requirement of experiment.For example can realize the layout of arranging power sensor 15 on single-point, the horizontal layout of 3 upper layout power sensors 15, the horizontal layout of 4 upper layout power sensors 15 and space layout etc.As shown in Figure 2, the power sensor 15Si Dian plane figure that safe automobile air bag reacting force proving installation adopts; As shown in Figure 5, the space layout of the power sensor that safe automobile air bag reacting force proving installation adopts, at the bottom of the runing rest in the additional support frame 14 that installs specified altitude at the bottom of the runing rest in runing rest 7 additional and runing rest 7 on installing force sensor 15.
The reacting force that described safe automobile air bag launches is three-dimensional force.And different safe automobile air bag 1 experiments are different to the test request of reacting force, for example some requirement of experiment is tested the normal force of reacting force, and some requires to test the component of three directions of reacting force.On general pedestal 3, being provided with different installation sites is used for installing and meeting different requirement of experiment from special use installation locating rack 2 and 15 combinations of power sensor.General pedestal 3 is mainly divided into following three kinds with the installation form of special-purpose installation locating rack 2: the first is that the axis of guide is installed, and adopts the axis of guide that special-purpose installation locating rack 2, power sensor 15 and general pedestal 3 are installed, and fixes by screw thread.When adopting single axis of guide center location structure, slide key is set on the axis of guide, the Z axis sense of rotation of special use being installed to locating rack 2 retrains; The second is that integrated positioning piece is installed, power sensor 15 is fixed by screws on general pedestal 3, the special-purpose locating rack 2 of installing is placed on power sensor 15, and by general pedestal 3, locating piece being set, simulation fixed frame is installed locating rack 2 by special use and is fixed on power sensor 15; The third is directly by the helicitic texture in 15 on power sensor, general pedestal 3 and special-purpose installation locating rack 2 to be connected together.
For guaranteeing versatility and the specificity of safe automobile air bag reacting force proving installation, improve the emulation of experiment.Before experiment, the layout on runing rest 7 according to the physical construction of the physical construction of different safe automobile air bags 1, requirement of experiment, power sensor 15 and power sensor 15, design specialized is installed locating rack 2 and is installed and clamp to adapt to safe automobile air bag 1.By the installation site on power sensor 15 and general pedestal 3, special use is installed to locating rack 2 and general pedestal 3 is grouped together, the angle of adjusting runing rest 7, makes safe automobile air bag 1 upper surface maintenance level, has just completed the location and installation of safe automobile air bag 1.When safe automobile air bag 1 launches, reacting force is installed locating rack 2 by special use and is delivered on power sensor 15.Fig. 1 has represented wherein a kind of special-purpose Installation Example that locating rack 2 and general pedestal 3 are installed.
Left side bracing frame 4 in described safe automobile air bag reacting force proving installation and 4 support columns 8 on right side bracing frame 11 are used for airbag restraint plate 6 that location is installed.On airbag restraint plate 6, be processed with rectangular through hole, airbag restraint plate 6 can be moved along directions X, guarantee that airbag restraint plate 6 is corresponding with safe automobile air bag 1 upper surface.Airbag restraint plate 6 is used for the expansion shape of gasbag to retrain, and imitates fascia, the impact that seat etc. launch gasbag.
Referring to Fig. 6, the control section of safe automobile air bag reacting force proving installation of the present invention is mainly comprised of industrial computer, multi-channel synchronous data acquisition card, signal condition module, power sensor, high-speed camera and application software.
The control section of described safe automobile air bag reacting force proving installation adopts high-speed synchronous data acquiring card as the core of data acquisition process part.Start test, start safe automobile air bag 1, reacting force during safe automobile air bag 1 static expansion is installed locating rack 2 by special use and is delivered on power sensor 15, the simulating signal that power sensor 15 produces is sent in signal condition module, signal condition module is settling signal amplification, filtering etc., and signal condition module converts the signal of collection the standard signal that multi-channel synchronous data acquisition card can identify to and is sent in multi-channel synchronous data acquisition card.Multi-channel synchronous data acquisition card converts a plurality of standard signals to digital quantity simultaneously and is delivered to and in industrial computer, carries out analyzing and processing, and save data and generate laboratory report automatically.
Described safe automobile air bag reacting force proving installation can be connected with high-speed camera, and while starting to test, high-speed camera completes the static image acquisition of launching whole process of safe automobile air bag 1, and is sent to and in industrial computer, carries out image processing and analyzing.Safe automobile air bag reacting force proving installation is had and complete static test and the static function of launching reacting force test of safe automobile air bag 1 launched of safe automobile air bag 1 simultaneously.
Claims (4)
1. a safe automobile air bag reacting force proving installation, comprises mechanical part, it is characterized in that, described mechanical part is comprised of general pedestal (3) and the special-purpose locating rack (2) of installing;
Described general pedestal (3) comprises left side bracing frame (4), left side locking plate (5), airbag restraint plate (6), runing rest (7), support column (8), right side locking plate (9), worm gear (10), right side bracing frame (11), worm screw (12) and worm shaft bearing (13) that 4 root architectures are identical;
It is upper for being rotationally connected with right side bracing frame (11) that left-handed rotating shaft on runing rest (7) and dextral shaft adopt rolling bearing to be arranged on left side bracing frame (4), on the left-handed rotating shaft of runing rest (7) and dextral shaft, be set with left side locking plate (5) and right side locking plate (9), the worm gear (10) that install on the right side of right side locking plate (9) is connected with a joggle with the worm screw (12) being arranged on right side bracing frame (11), tetragonal body or the hexahedron of being convenient to load and unload rotary spanner is processed in one end of worm screw (12), left side locking plate (5) and right side locking plate (9) are arranged in the left-handed rotating shaft and dextral shaft of runing rest (7) by key, adopt in the left-handed rotating shaft and dextral shaft that nut is fixed on runing rest (7) by the right side locking plate (9) on the left side locking plate (5) in left-handed rotating shaft and dextral shaft and worm gear (10), adopt screw that the left side locking plate (5) in general pedestal (3) and right side locking plate (9) are fixed on left side bracing frame (4) and right side bracing frame (11), lower end and the left side bracing frame (4) of the support column (8) that 4 structures are identical are threaded with the top end face of right side bracing frame (11), the upper end of the support column (8) that 4 structures are identical is connected with air bag restraining plate (6) bolt, the special-purpose locating rack (2) of installing is arranged on runing rest (7).
2. according to safe automobile air bag reacting force proving installation claimed in claim 1, it is characterized in that, described runing rest (7) is to adopt square steel pipe welded to be processed into the tower structure part of U font, be that runing rest (7) is by anticlockwise cradle wall, at the bottom of right rotation cradle wall and runing rest, form, anticlockwise cradle wall and right rotation cradle wall be parallel to each other be arranged on symmetrically two ends at the bottom of runing rest and and runing rest dolly straight, on the left surface of the anticlockwise cradle wall of runing rest (7), with on the right flank of right rotation cradle wall, left-handed rotating shaft and the dextral shaft vertical with left and right side are installed, on the left-handed rotating shaft of runing rest (7) and dextral shaft, be processed with keyway, and adopt screw by left-handed rotating shaft and dextral shaft be arranged on anticlockwise cradle wall in runing rest (7) with on right rotation cradle wall for being fixedly connected with, the axis of rotation of left-handed rotating shaft and dextral shaft is on same axis, on the runing rest bottom surface of runing rest (7), be provided with steel plate.
3. according to safe automobile air bag reacting force proving installation claimed in claim 2, it is characterized in that, the upper strong sensor (15) of installing of described runing rest (7), layout for arranging power sensor (15) on single-point at the bottom of the runing rest of power sensor (15) in runing rest (7), the horizontal layout of 3 upper layout power sensors (15), the space layout of the upper layout power sensor (15) of additional support frame (37) at the bottom of the horizontal layout of 4 upper layout power sensors (15) and the runing rest in runing rest (7) and at the bottom of being arranged on runing rest.
4. according to safe automobile air bag reacting force proving installation claimed in claim 1, it is characterized in that, described left side locking plate (5) is the tray type structure part that structure is identical with right side locking plate (9), left side locking plate (5) and right side locking plate (9) are all connected with a torus by a ring flange, the periphery of ring flange is provided with the oval arc through hole of 2 concentrics symmetrically, and the center of ring flange is provided with central through hole; The axis of rotation conllinear of torus and ring flange, the central through hole equal diameters of toric diameter of bore and ring flange, is provided with keyway vertically in the central through hole of toric endoporus and ring flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210281285.1A CN102809457B (en) | 2012-08-08 | 2012-08-08 | Device for measuring counter-acting force of automobile safety airbag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210281285.1A CN102809457B (en) | 2012-08-08 | 2012-08-08 | Device for measuring counter-acting force of automobile safety airbag |
Publications (2)
| Publication Number | Publication Date |
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| CN102809457A CN102809457A (en) | 2012-12-05 |
| CN102809457B true CN102809457B (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210281285.1A Expired - Fee Related CN102809457B (en) | 2012-08-08 | 2012-08-08 | Device for measuring counter-acting force of automobile safety airbag |
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| CN113804336A (en) * | 2021-09-06 | 2021-12-17 | 全立传感科技(南京)有限公司 | Special force sensor for integrated clamp and machining method thereof |
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| JP3328473B2 (en) * | 1995-08-03 | 2002-09-24 | ワイケイケイニューマックス株式会社 | Snap member removal force measuring device |
| JP4085510B2 (en) * | 1999-04-13 | 2008-05-14 | 日本精工株式会社 | Traction coefficient measuring device |
| CN100469537C (en) * | 2007-06-20 | 2009-03-18 | 重庆大学 | Air suspension flexibility space buttjunction platform |
| CN101710012B (en) * | 2009-11-02 | 2011-06-15 | 浙江大学 | Motor vehicle axle load testing device integrated with brake platform |
| CN202710230U (en) * | 2012-08-08 | 2013-01-30 | 吉林大学 | Device for testing counter-acting force of automobile safety airbag |
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