CN105738066A - Bumper simulated collision test device - Google Patents
Bumper simulated collision test device Download PDFInfo
- Publication number
- CN105738066A CN105738066A CN201610071465.5A CN201610071465A CN105738066A CN 105738066 A CN105738066 A CN 105738066A CN 201610071465 A CN201610071465 A CN 201610071465A CN 105738066 A CN105738066 A CN 105738066A
- Authority
- CN
- China
- Prior art keywords
- pendulum
- bumper
- crossbeam
- test device
- simulated crash
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/0078—Shock-testing of vehicles
Abstract
The invention discloses an automobile bumper simulated collision test device comprising a gantry type main support, and an electric cabinet and a console which are arranged beside the main support. The front end and the rear end of the top part of the main support are respectively provided with a crossbeam driving mechanism and a pendulum lifting mechanism. The crossbeam driving mechanism drives a crossbeam to move upwardly and downwardly. A rotating frame is hinged at the bottom part of the crossbeam. The bottom end of the rotating frame is provided with a pendulum. The pendulum and the pendulum lifting mechanism are connected by a steel cable. The main support is externally provided with a pendulum locking structure. According to the test method, an automobile bumper is fixed on a simulated automobile, and the pendulum is lifted to a certain height to fall to collide the bumper. The test method is quite convenient and rapid and can rapidly test various parameters in the collision process of the bumper.
Description
Technical field
The invention belongs to collision process detection technique field, more particularly, to one for bumper simulated crash test device.
Background technology
Bumper is tested, formulate in China and have corresponding testing standard, according to its standard, each producer or scientific research institution's design have corresponding mechanism for testing, but the bumper along with the unlike material of different automobile types, structure, and the change such as testing time, metering system increase, original mechanism for testing can not meet requirement.Traditional test process is broadly divided into employing car load and carries out bumper test and non-car load simulation test, and wherein car load bumper test cost is of a relatively high, and the speed of test is also corresponding slower.
Then there is the problems such as data acquisition reliability in simulation test, such as collision mode simulate whether appropriate, collision dynamics true to nature and speed acquisition whether accurately, collision angle collection whether accurate etc..
Summary of the invention
For the defect of prior art, it is an object of the invention to provide a kind of bumper simulated crash test device, can effectively gather automobile and actively clash into and the passive valid data clashing into two kinds of crash tests methods, convenient test is quick.
For achieving the above object, the invention provides a kind of bumper simulated crash test device, main body rack including planer-type, pendulum for impact test device, electricity cabinet and control station, gantry support arranges crossbeam, described crossbeam is used for suspension strut pendulum, electricity cabinet and control station are for device to test electric system power supply and control, it is characterized in that, the front-end and back-end at described main body rack top are separately installed with beam driving mechanism and pendulum hoisting mechanism, described beam driving mechanism drives crossbeam to move up and down, described crossbeam bottom-hinged has swivel mount, the bottom of swivel mount is provided with pendulum, pendulum hoisting mechanism connects pendulum by cable wire.
Preferred version, described cable wire and pendulum junction are provided with trip assembley therefor, and described trip assembley therefor includes being arranged at the cable wire button of cable end, for the hydraulic piston of fixing tightwire button and for installing the installing hole of pendulum.
Preferred version, described trip assembley therefor includes Electromagnetic Control unit, and described Electromagnetic Control unit is used for controlling hydraulic piston and moves so that pendulum and cable wire rapid-releasing.
Preferred version, described swivel mount includes swing arm, joint and crossbeam installing hole, and described crossbeam installing hole is for being rotationally connected swivel mount to crossbeam, and swing arm is swivel mount main body, and swing arm upper end is provided with joint, for realizing being flexibly connected with crossbeam installing hole.
Preferred version, described joint is the Hinge joint that rotational plane is identical with swing arm rotational plane.
Preferred version, described joint is cable wire.
Preferred version, described rope length is not less than 5cm, is not more than 20cm.
Preferred version, described pendulum includes ballast box, has polylith balancing weight in ballast box, is provided with impact head outside ballast box.
Preferred version, described impact head adopts asuforging steel.
Preferred version, described beam driving mechanism includes double end motor, and the turbine and worm that one, double end motor connects through shaft coupling is connected with cross bar；The other end of double end motor is that screw mandrel screw is in transmission connection.
Preferred version, is provided with pendulum locking mechanism outside described main body rack.
In general, by the above technical scheme that the present invention is contemplated, compared with prior art, it is possible to obtain following beneficial effect:
The method that the pendulum of the present invention and bumper collide mutually is: automobile is fixed, and pendulum is promoted to certain height, is threaded off by pendulum, pendulum under gravity, swung downward, reach maximal rate when minimum point, clash into automobile with maximal rate.Open test data collection card, the data in record test process, instantaneous velocity during shock, during tachymeter test installation.Both the above method of testing is very convenient fast, can quickly measure the parameter of bumper.
Accompanying drawing explanation
Fig. 1 is the preferred version structural representation of the crash tests device of the present invention；
Fig. 2 be the present invention crash tests device in pendulum thread off connect assembly preferred version structural representation；
Fig. 3 be the present invention crash tests device in pendulum thread off connect assembly preferred version structural representation；
Fig. 4 be the present invention crash tests device in the preferred version structural representation of swivel mount 7；
The crash tests device medium velocity that Fig. 5 is the present invention measures assembly preferred version structural representation.
Description of reference numerals: main body rack 1, electricity cabinet 2, control station 3, beam driving mechanism 4, pendulum hoisting mechanism 5, crossbeam 6, swivel mount 7, swing arm 71, joint 72, crossbeam installing hole 73, pendulum 8, cable wire 9, pendulum locking mechanism 10, impact head 11, load-bearing ball 111, force transducer 112, crash panel 113, cross-brace 12, trip assembley therefor 13, cable wire button 131, hydraulic piston 132, installing hole 133, hydraulic cylinder 134, hydraulic oil pipe 135, positioner 136, snap close 137, tachometric survey assembly 14, mounting groove 141, photoelectron emission device 142, catch 143, photoelectricity receiving device 144, wire casing 145, lead-screw drive mechanism 15.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, bumper simulated crash test device, main body rack 1 including planer-type, the pendulum 8 for impact test device, electricity cabinet 2 and control station 3, gantry support arranges crossbeam 6, described crossbeam 6 is for suspension strut pendulum 8, electricity cabinet and control station, for device to test electric system power supply and control, are such as used for the reducing motor promoting pendulum, the control device etc. controlled for trip assembley therefor.The front-end and back-end at described main body rack top are separately installed with beam driving mechanism 4, lead-screw drive mechanism 15 and pendulum hoisting mechanism 5, described beam driving mechanism 4 drives crossbeam 6 to move up and down, described crossbeam bottom-hinged has swivel mount 7, the bottom of swivel mount 7 is provided with pendulum 8, and pendulum 8 hoisting mechanism connects pendulum by cable wire 9.The purpose arranging beam driving mechanism 4 is in that to adjust the vertical height of pendulum 8, in experimental test, it may be achieved the adjustment of collision altimeter point of impingement position, can make impact simulation variation, improve accuracy and the credibility of data simultaneously.
Preferred version, described cable wire 9 and pendulum 8 junction are provided with trip assembley therefor 13, described trip assembley therefor 13 include being arranged at cable end cable wire button 131, for connect cable wire button 131 snap close 137, for the hydraulic cylinder 132 being connected with snap close 137, be easy to positioner 136 that snap close 137 is connected with hydraulic cylinder 132, installing hole 133 that tripping mechanism 13 is connected with pendulum 8 and hydraulic cylinder 134 and hydraulic oil pipe 135.Obviously, as the embodiment that another is feasible, installing hole can be omitted, and the substitute is any structure that can fix connection in pendulum.Can certainly directly trip assembley therefor be fixedly installed on pendulum, as a part for pendulum.
Preferred version, described trip assembley therefor includes hydraulic control unit, and described hydraulic control unit is used for controlling hydraulic piston and moves so that pendulum and cable wire are threaded off or connect.The effect of this scheme is in that can remotely control to start test process, improves the safety of device, and Electromagnetic Control can reduce the startup operating time, improves the accuracy of shock dynamics.
Preferred version, described swivel mount includes swing arm 71, joint 72 and crossbeam installing hole 73, and described crossbeam installing hole, for being rotationally connected by swivel mount to crossbeam, adopts crossbeam installing hole mounting structure, swivel mount can freely rotate around crossbeam, and rotational plane is vertical with crossbeam installing hole axis.Swing arm 71 is swivel mount main body, and swing arm upper end is provided with joint, for realizing being flexibly connected with crossbeam installing hole.Described joint position should be arranged at crossbeam installing hole place as far as possible, to reduce test error.The purpose that joint is arranged is in that to reduce the measurement error caused because of crossbeam installing hole and crossbeam friction further, can further improve the accuracy of data particularly impact velocity or impact strength.Described joint is the Hinge joint that rotational plane is identical with swing arm rotational plane, and described Hinge joint should be more flexible more good when rotating, because more flexible more advantageously reduce error.As another preferred version, described joint is alternatively cable wire, and low cost can realize same high accuracy.But preferably, described rope length should be not less than 5cm, is not more than 20cm.If sized too small, then bending flexibility ratio is inadequate, and error reduces inconspicuous, but the oversize uncertainty that can affect again pendulum swing, reduce data reliability.
Preferred version, the pendulum 8 of the present embodiment includes ballast box, has polylith balancing weight in ballast box, impact head 11 it is provided with outside ballast box, the controllable quantity system of the balancing weight in ballast box, the weight of pendulum 8 also can control, and the convenient bumper to different size is tested.
Preferred version, the impact head 11 of the present embodiment adopts asuforging steel, and the rigidity of such impact head 11 is relatively big, and the service life of impact head 11 is longer.
Preferred version, the beam driving mechanism 5 of the present embodiment includes double end motor, and the turbine and worm that one, double end motor connects through shaft coupling is connected with cross bar；The other end of double end motor is that screw mandrel screw is in transmission connection.
Preferred version, is provided with cross-brace 12 in the both sides of main body rack 1 in the present embodiment, increase the fastness of main body rack 1.
Preferred version, the host computer of the present embodiment is computer, is arranged on control station 3, it is simple to manipulation.Control circuit is had in electricity cabinet 2.Being provided with pendulum locking mechanism 10 outside main body rack, the purpose that arranges of pendulum locking mechanism is in that to prevent pendulum from arbitrarily swinging, and improves the safety that equipment is placed or transported.
Preferred version, the pendulum front end of the present embodiment is provided with tachometric survey assembly 14, described tachometric survey assembly includes tachometric survey module body installing hole 141, photoelectron emission device 142, photogate catch 143, photoelectric receiving arrangement 144 and wire casing 145, described tachometric survey module body installing hole 141 is key-like groove, the installation site facilitating tachometric survey assembly 14 regulates, and photoelectron emission device 142 and photoelectric receiving arrangement 144 constitute photogate.Photogate catch 143 is installed in swing arm 71, and gear pendulum 8 is put to bottom, and before clashing into bumper, moment photogate catch 143 streaks photogate, by measuring the time that photogate is blocked by photogate catch 143, calculates the instantaneous velocity before pendulum 8 clashes into bumper.
The method of testing that pendulum 8 and the bumper of the present invention collide mutually is: automobile is fixed, simulated automotive bumper is fixed, pendulum 8 is promoted to certain height, pendulum 8 is threaded off, pendulum 8 is under gravity, swung downward, reaches maximal rate when minimum point, clashes into bumper with maximal rate.Open test data collection card, the data in record test process, instantaneous velocity during shock, during tachymeter test installation.Above method of testing is very convenient fast, can quickly measure the parameter in bumper impact process.
Those skilled in the art will readily understand; the foregoing is only presently preferred embodiments of the present invention; not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (10)
1. a bumper simulated crash test device, including gantry support, for clashing into the pendulum of described bumper, electricity cabinet and control station, described gantry support arranges crossbeam, described crossbeam is pendulum described in suspension strut, described electricity cabinet and described control station are for described device to test electric system power supply and control, it is characterized in that, the front-end and back-end of described cradle top are separately installed with beam driving mechanism and pendulum hoisting mechanism, described beam driving mechanism drives crossbeam to move up and down, described crossbeam bottom-hinged has swivel mount, the bottom of described swivel mount is provided with described pendulum, described pendulum hoisting mechanism connects described pendulum by cable wire.
2. bumper simulated crash according to claim 1 test device, it is characterized in that, described cable wire and described pendulum junction are provided with trip assembley therefor, and described trip assembley therefor includes being arranged at the cable wire button of described cable end, for fixing the hydraulic piston of described cable wire button and for installing the installing hole of described pendulum.
3. bumper simulated crash according to claim 2 test device, it is characterized in that, described trip assembley therefor includes hydraulic control unit, described hydraulic control unit is used for controlling described hydraulic piston and moves so that described pendulum and described cable wire are threaded off, and described trip assembley therefor is provided with snap close mounting and positioning device.
4. bumper simulated crash according to claim 3 test device, it is characterized in that, described swivel mount includes swing arm, joint and crossbeam installing hole, described crossbeam installing hole is for being rotationally connected described swivel mount to described crossbeam, described swing arm is described swivel mount main body, described swing arm upper end is provided with joint, for realizing being flexibly connected with described crossbeam installing hole.
5. bumper simulated crash according to claim 4 test device, it is characterised in that described joint is the Hinge joint that rotational plane is identical with described swing arm rotational plane.
6. bumper simulated crash according to claim 4 test device, it is characterised in that described joint is cable wire.
7. bumper simulated crash according to claim 6 test device, it is characterised in that described rope length is not less than 5cm, is not more than 20cm.
8. the bumper simulated crash test device according to any one claim of claim 1-7, it is characterised in that described pendulum includes ballast box, has polylith balancing weight in described ballast box, is provided with impact head outside ballast box.
9. bumper simulated crash according to claim 1 and 2 test device, it is characterised in that described impact head adopts asuforging steel.
10. bumper simulated crash according to claim 1 and 2 test device, it is characterised in that described beam driving mechanism includes double end motor, and the turbine and worm that one, described double end motor connects through shaft coupling is connected with cross bar；The other end of described double end motor is that screw mandrel screw is in transmission connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610071465.5A CN105738066A (en) | 2016-02-01 | 2016-02-01 | Bumper simulated collision test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610071465.5A CN105738066A (en) | 2016-02-01 | 2016-02-01 | Bumper simulated collision test device |
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| Publication Number | Publication Date |
|---|---|
| CN105738066A true CN105738066A (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610071465.5A Pending CN105738066A (en) | 2016-02-01 | 2016-02-01 | Bumper simulated collision test device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501007A (en) * | 2016-10-28 | 2017-03-15 | 广州汽车集团股份有限公司 | Automobile RCAR and front and back end low speed collision assay device and the test method based on the device |
| CN108444668A (en) * | 2018-03-27 | 2018-08-24 | 合肥工业大学 | A kind of structural model Impact Loading Instrument |
| CN109655283A (en) * | 2018-12-27 | 2019-04-19 | 宁波大目湾机械有限公司 | The detection device of kart bumper strength detection |
| CN114018596A (en) * | 2021-11-24 | 2022-02-08 | 北京智能车联产业创新中心有限公司 | Roadblock projection device for high-level automatic driving automobile test |
| CN114235430A (en) * | 2021-11-05 | 2022-03-25 | 上汽大众汽车有限公司 | High-low temperature pendulum bob test method for automobile front-rear end protection device |
| CN115824673A (en) * | 2023-02-16 | 2023-03-21 | 浙江嘉傲科技有限公司 | Device and method for detecting head collision of automobile |
| CN116659886A (en) * | 2023-04-07 | 2023-08-29 | 襄阳达安汽车检测中心有限公司 | Commercial vehicle cab impact test equipment and test method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501007A (en) * | 2016-10-28 | 2017-03-15 | 广州汽车集团股份有限公司 | Automobile RCAR and front and back end low speed collision assay device and the test method based on the device |
| CN106501007B (en) * | 2016-10-28 | 2019-01-29 | 广州汽车集团股份有限公司 | Automobile RCAR and front and back end low speed collision experimental rig and the test method based on the device |
| CN108444668A (en) * | 2018-03-27 | 2018-08-24 | 合肥工业大学 | A kind of structural model Impact Loading Instrument |
| CN108444668B (en) * | 2018-03-27 | 2019-11-19 | 合肥工业大学 | A kind of structural model Impact Loading Instrument |
| CN109655283A (en) * | 2018-12-27 | 2019-04-19 | 宁波大目湾机械有限公司 | The detection device of kart bumper strength detection |
| CN114235430A (en) * | 2021-11-05 | 2022-03-25 | 上汽大众汽车有限公司 | High-low temperature pendulum bob test method for automobile front-rear end protection device |
| CN114018596A (en) * | 2021-11-24 | 2022-02-08 | 北京智能车联产业创新中心有限公司 | Roadblock projection device for high-level automatic driving automobile test |
| CN114018596B (en) * | 2021-11-24 | 2022-08-30 | 北京智能车联产业创新中心有限公司 | Roadblock projection device for high-level automatic driving automobile test |
| CN115824673A (en) * | 2023-02-16 | 2023-03-21 | 浙江嘉傲科技有限公司 | Device and method for detecting head collision of automobile |
| CN115824673B (en) * | 2023-02-16 | 2023-06-02 | 浙江嘉傲科技有限公司 | Automobile head collision detection device and method |
| CN116659886A (en) * | 2023-04-07 | 2023-08-29 | 襄阳达安汽车检测中心有限公司 | Commercial vehicle cab impact test equipment and test method thereof |
| CN116659886B (en) * | 2023-04-07 | 2024-04-05 | 襄阳达安汽车检测中心有限公司 | Commercial vehicle cab impact test equipment and test method thereof |
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Application publication date: 20160706 |