CN214200481U - Dummy force sensor checking test bed for collision test - Google Patents
Dummy force sensor checking test bed for collision test Download PDFInfo
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- CN214200481U CN214200481U CN202022792778.4U CN202022792778U CN214200481U CN 214200481 U CN214200481 U CN 214200481U CN 202022792778 U CN202022792778 U CN 202022792778U CN 214200481 U CN214200481 U CN 214200481U
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- 238000012360 testing method Methods 0.000 title claims abstract description 76
- 238000007689 inspection Methods 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract 1
- 239000013589 supplement Substances 0.000 description 6
- 230000003028 elevating effect Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910000746 Structural steel Inorganic materials 0.000 description 3
- 238000013480 data collection Methods 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to a dummy force transducer checking test bench for bump test, including the motor case, the test bench, go up spacing platform and control and data acquisition device, the test bench is installed to motor case upper end, the test bench upper end links to each other with last spacing platform through a plurality of vertical guide posts, slidable mounting is powerful loading platform on the vertical guide post, force loading platform lower extreme mid-mounting has standard force sensor assembly, the powerful loading head of lower extreme installation of standard force sensor assembly, both sides between test bench upper end and the last spacing platform respectively rotate and install a lift screw, two lift screws respectively with the both ends threaded connection of power loading platform, install drive lift screw pivoted motor assembly in the motor case, control and data acquisition device link to each other with motor assembly and standard force sensor assembly respectively. The utility model discloses can be used to check current collision test dummy man power sensor and follow-up new collision test dummy man power sensor.
Description
Technical Field
The utility model relates to the field of automotive technology, especially, relate to a collision test is with dummy force transducer verification test platform.
Background
When the automobile collision test is carried out, in order to confirm the protection condition of the vehicle to passengers in the collision process, different sensors are required to be arranged on the test dummy to measure the injury condition received by the dummy. Wherein the force sensor is an important component for measuring injuries of a dummy.
According to the requirements of CNCAS, for the force sensor for the automobile crash test and the multi-axis force sensor, a laboratory should make a checking method according to related detection methods, technical specifications, equipment specifications and the like, and check at least once in half a year.
The dummy force sensors for the collision test have a plurality of models, the shape, the size and the measurement range of the force sensors at each part are greatly different, and a special force sensor calibration table is required to be matched with a dummy force sensor clamp for use, so that the regular inspection of the dummy force sensors is realized. At present, many laboratories send sensors for inspection, high measurement cost and long measurement period are faced, so that the detection cost of the laboratories is increased, and the test progress of the laboratories is seriously influenced.
Disclosure of Invention
The utility model aims to solve the technical problem that a collision test is with dummy force transducer verification test bench is provided, can be used to current collision test dummy force transducer and follow-up new collision test dummy force transducer verify.
The utility model provides a technical scheme that its technical problem adopted is: provides a checking test bed of a dummy force sensor for a collision test, which comprises a motor box, a test bed, an upper limit table and a control and data acquisition device, wherein the test bed is arranged at the upper end of the motor box, the upper end of the test bed is connected with the upper limiting table through a plurality of vertical guide posts, a force loading platform is slidably arranged on the vertical guide posts, the middle part of the lower end of the force loading platform is provided with a standard force sensor assembly, the lower end of the standard force sensor assembly is provided with a force loading head, two lifting screw rods are respectively and rotatably arranged on two sides between the upper end of the test bed and the upper limiting table, the two lifting screw rods are respectively in threaded connection with two ends of the force loading platform, the motor case in install the pivoted motor assembly of drive elevating screw, control and data acquisition device link to each other with motor assembly and standard force sensor assembly respectively.
As right technical scheme a supplement, motor assembly mainly include motor, lead screw wheel and belt, the output shaft of motor on install the drive wheel, every elevating screw's lower extreme all stretches into the motor case and is connected with a lead screw wheel, links to each other through the belt between two lead screw wheels and the drive wheel, all is provided with a leading wheel between every lead screw wheel and the drive wheel, the setting of leading wheel is for tightening the belt. The inner side of the belt is provided with sawteeth, and the outer sides of the driving wheel and the screw wheel are provided with sawteeth, so that the output torque can be increased, and the outer side of the belt and the guide wheel are smooth.
As right technical scheme a supplement, the bilateral symmetry of motor bottom of the case portion arranged a plurality of leveling pieces, install adjusting bolt between this leveling piece and the motor case. The leveling blocks are uniformly distributed on the lower portion of the bottom face of the motor box, the test bed is leveled by rotating the adjusting bolts, and the number of the leveling blocks is 6.
As right technical scheme a supplement, the motor case constitute by bottom plate, front bezel and two curb plates, the bottom plate on have four angle bar bearing legs that are the rectangle and arrange, this angle bar bearing leg is used for supporting the test bench. The motor case is used for accommodating a motor assembly.
As right technical scheme a supplement, the elevating screw upper end pass through the bearing and be connected with last spacing platform, this elevating screw's the outside is covered with the dust cover.
As right technical scheme a supplement, the test bench be the cuboid structure, this test bench upper end middle part is fixed with a columniform force transducer assembly place the platform. The force sensor assembly placing platform is used for placing a force sensor to be checked and a clamp thereof in a test preparation stage, 1-6 data channels can be led out from the sensor according to different types of the sensor, and voltage signals of the channels are input into a data acquisition unit and displayed in a software system.
As right technical scheme a supplement, control and data acquisition device include computer, automatically controlled cabinet and data collection station, the computer link to each other with automatically controlled cabinet and data collection station respectively, automatically controlled cabinet link to each other with the motor, data collection station link to each other with standard force transducer assembly. The computer end can input related instructions, the related instructions are applied to the motor through the electric control cabinet for control, the data acquisition unit reads and processes voltage signals of the force sensor to be checked and the standard force sensor, the force loading platform can be controlled at the computer end, the torque time curve of the force sensor to be checked can be displayed in real time, the data to be checked can be automatically calculated according to the torque time curve, and the data to be checked is output to be in an Excel format.
Has the advantages that: the utility model relates to a collision test is with dummy force transducer verification test bench can be used to current collision test dummy force transducer and follow-up new collision test dummy force transducer and check, and whole test bench cost is lower, and application scope is wider, convenient operation.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is an isometric view of the front of the present invention;
FIG. 3 is a rear isometric view of the present invention;
FIG. 4 is a front view of the present invention without the control and data acquisition device;
FIG. 5 is a rear view of the present invention without the dust cover and control and data acquisition device;
fig. 6 is a schematic view of the internal structure of the motor box according to the present invention;
fig. 7 is a schematic structural diagram of the control and data acquisition device of the present invention.
The figure is as follows: 1. leveling block, 2, motor box, 3, test bench, 4, force loading platform, 5, upper limiting platform, 6, vertical guide post, 7, lifting screw, 8, control and data acquisition device, 9, to-be-checked force sensor and clamp assembly, 21, angle iron bearing leg, 22, motor, 23, screw wheel, 24, guide wheel, 25, belt, 31, force sensor assembly placing platform, 41, standard force sensor assembly, 42, force loading head, 71, dust cover, 81, computer, 82, data acquisition device, 83 and electric control cabinet.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
The embodiment of the utility model relates to a dummy force sensor checking test bed for collision test, as shown in figures 1-7, comprising a motor box 2, a test bed 3, an upper limit platform 5 and a control and data acquisition device 8, wherein the upper end of the motor box 2 is provided with the test bed 3, the upper end of the test bed 3 is connected with the upper limit platform 5 through a plurality of vertical guide posts 6, the vertical guide posts 6 are provided with a force loading platform 4 in a sliding way, the middle part of the lower end of the force loading platform 4 is provided with a standard force sensor assembly 41, the lower end of the standard force sensor assembly 41 is provided with a force loading head 42, two sides between the upper end of the test bed 3 and the upper limit platform 5 are respectively provided with a lifting screw 7 in a rotating way, the two lifting screws 7 are respectively in threaded connection with two ends of the force loading platform 4, the motor box 2 is internally provided with a motor assembly for driving the lifting screw 7 to rotate, the control and data acquisition device 8 is respectively connected with the motor assembly and the standard force sensor assembly 41.
The motor assembly mainly comprises a motor 22, a lead screw wheel 23 and a belt 25, a driving wheel is installed on an output shaft of the motor 22, the lower end of each lifting lead screw 7 extends into the motor box 2 and is connected with the lead screw wheel 23, the two lead screw wheels 23 are connected with the driving wheel through the belt 25, a guide wheel 24 is arranged between each lead screw wheel 23 and the driving wheel, and the guide wheel 24 is arranged for tightening the belt 25. The inner side of the belt 25 is provided with saw teeth, the outer sides of the driving wheel and the lead screw wheel 23 are provided with saw teeth, so that the output torque can be increased, and the outer side of the belt 25 and the guide wheel 24 are smooth.
A plurality of leveling blocks 1 are symmetrically arranged on two sides of the bottom of the motor box 2, and adjusting bolts are installed between the leveling blocks 1 and the motor box 2. Leveling blocks 1 are uniformly distributed on the lower portion of the bottom surface of the motor box 2, the test bed 3 is leveled by rotating adjusting bolts, and the number of the leveling blocks 1 is 6.
The motor case 2 comprises a bottom plate, a front plate and two side plates, wherein four rectangular angle iron bearing legs 21 are arranged on the bottom plate, and the angle iron bearing legs 21 are used for supporting the test bed 3. The motor case 2 is mainly used for accommodating a motor assembly.
The upper end of the lifting screw 7 is connected with the upper limit table 5 through a bearing, and the outer side of the lifting screw 7 is covered with a dust cover 71.
The test bench 3 is of a cuboid structure, and a cylindrical force sensor assembly placing platform 31 is fixed in the middle of the upper end of the test bench 3. The force sensor assembly placing platform 31 is used for placing a force sensor to be checked and a clamp thereof in a test preparation stage, 1-6 data channels can be led out from the sensor according to different types of the sensor, and voltage signals of all the channels are input into a data acquisition unit and displayed in a software system.
The lower end of the standard force sensor assembly 41 is provided with the force loading head 42, during test, the force loading head 42 directly applies force to the force sensor to be checked and the clamp assembly 9, and the data acquisition unit 82 can read the force loaded on the force sensor and the clamp assembly 9 and compare the force with the measurement result of the force sensor to be checked.
The control and data acquisition device 8 comprises a computer 81, an electric control cabinet 83 and a data acquisition unit 82, wherein the computer 81 is respectively connected with the electric control cabinet 83 and the data acquisition unit 82, the electric control cabinet 83 is connected with the motor 22, and the data acquisition unit 82 is connected with the standard force sensor assembly 41. The computer end can input relevant instructions, the related instructions are applied to the motor control through the electric control cabinet 83, the data acquisition unit 82 reads and processes voltage signals of the force sensor to be checked and the standard force sensor, the force loading platform 4 can be controlled at the computer end, the moment-time curve of the force sensor to be checked can be displayed in real time, the data to be checked can be automatically calculated according to the curve, and the data to be checked is output to be in an Excel format.
The operation steps of the test bed are as follows:
1. before use, 6 leveling blocks 1 are adjusted, so that the test bed 3 is level in all directions;
2. according to the type and the direction of the force sensor to be checked, the force sensor to be checked and the clamp assembly 9 are placed on the force sensor assembly placing platform 31, the data line of the force sensor to be checked and the clamp assembly 9 is connected to the data acquisition unit 82, and meanwhile, the data line of the standard force sensor assembly 41 is also connected to the data acquisition unit 82;
3. selecting the model of the force sensor to be checked and the checking direction (including Fx, Fy, Fz, Mx, My and Mz) on the computer 81;
4. controlling the force loading platform 4 to descend on the computer 81, enabling the force loading head 42 to approach to the force sensor to be checked and the clamp assembly 9, and horizontally adjusting the force sensor to be checked and the clamp assembly 9, so that the vertical longitudinal axis of a stressed steel ball of the force sensor to be checked and the clamp assembly 9 falls in the vertical projection of the cylinder of the force loading head 42 and is as close to the vertical middle axis of the force loading head 42 as possible;
5. slowly descending the force loading platform 4 to enable the force loading platform to be just contacted with a force sensor to be checked and a stressed steel ball of the clamp assembly 9, adjusting the force value to zero, and checking according to a force loading waveform required by a relevant checking standard;
6. after the test was completed, an Excel report was derived from the data.
Claims (7)
1. The utility model provides a collision test is with dummy force transducer inspection test bench which characterized in that: the device comprises a motor box (2), a test bed (3), an upper limiting table (5) and a control and data acquisition device (8), wherein the test bed (3) is installed at the upper end of the motor box (2), the upper end of the test bed (3) is connected with the upper limiting table (5) through a plurality of vertical guide columns (6), a force loading platform (4) is slidably installed on each vertical guide column (6), a standard force sensor assembly (41) is installed in the middle of the lower end of the force loading platform (4), a force loading head (42) is installed at the lower end of each standard force sensor assembly (41), a lifting screw rod (7) is respectively installed on each of two sides between the upper end of the test bed (3) and the upper limiting table (5) in a rotating mode, the two lifting screw rods (7) are respectively in threaded connection with two ends of the force loading platform (4), and a motor assembly for driving the lifting screw rods (7) to rotate is installed in the motor box (2), and the control and data acquisition device (8) is respectively connected with the motor assembly and the standard force sensor assembly (41).
2. The dummy force sensor inspection test stand for the crash test according to claim 1, wherein: the motor assembly mainly comprises a motor (22), a lead screw wheel (23) and a belt (25), a driving wheel is installed on an output shaft of the motor (22), the lower end of each lifting lead screw (7) extends into the motor box (2) and is connected with the lead screw wheel (23), and the two lead screw wheels (23) are connected with the driving wheel through the belt (25).
3. The dummy force sensor inspection test stand for the crash test according to claim 1, wherein: a plurality of leveling blocks (1) are symmetrically arranged on two sides of the bottom of the motor box (2), and adjusting bolts are installed between the leveling blocks (1) and the motor box (2).
4. The dummy force sensor inspection test stand for the crash test according to claim 1, wherein: the motor case (2) comprise bottom plate, front bezel and two curb plates, the bottom plate on have four angle bar bearing leg (21) that are the rectangle and arrange, this angle bar bearing leg (21) are used for supporting test bench (3).
5. The dummy force sensor inspection test stand for the crash test according to claim 1, wherein: the upper end of the lifting screw rod (7) is connected with the upper limiting table (5) through a bearing, and a dust cover (71) is covered on the outer side of the lifting screw rod (7).
6. The dummy force sensor inspection test stand for the crash test according to claim 1, wherein: the test bench (3) is of a cuboid structure, and a cylindrical force sensor assembly placing platform (31) is fixed in the middle of the upper end of the test bench (3).
7. The dummy force sensor inspection test stand for the crash test according to claim 2, wherein: the control and data acquisition device (8) comprises a computer (81), an electric control cabinet (83) and a data acquisition unit (82), wherein the computer (81) is respectively connected with the electric control cabinet (83) and the data acquisition unit (82), the electric control cabinet (83) is connected with the motor (22), and the data acquisition unit (82) is connected with the standard force sensor assembly (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022792778.4U CN214200481U (en) | 2020-11-27 | 2020-11-27 | Dummy force sensor checking test bed for collision test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022792778.4U CN214200481U (en) | 2020-11-27 | 2020-11-27 | Dummy force sensor checking test bed for collision test |
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| Publication Number | Publication Date |
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| CN214200481U true CN214200481U (en) | 2021-09-14 |
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| CN202022792778.4U Expired - Fee Related CN214200481U (en) | 2020-11-27 | 2020-11-27 | Dummy force sensor checking test bed for collision test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116337622A (en) * | 2023-03-29 | 2023-06-27 | 哈尔滨工业大学（深圳） | Bearing capacity test equipment for rock and soil test |
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2020
- 2020-11-27 CN CN202022792778.4U patent/CN214200481U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116337622A (en) * | 2023-03-29 | 2023-06-27 | 哈尔滨工业大学（深圳） | Bearing capacity test equipment for rock and soil test |
| CN116337622B (en) * | 2023-03-29 | 2024-05-03 | 哈尔滨工业大学（深圳） | Bearing capacity test equipment for rock and soil test |
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Granted publication date: 20210914 |