CN102818708A - Device for detecting automobile cab and front and rear end protecting device - Google Patents
Device for detecting automobile cab and front and rear end protecting device Download PDFInfo
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- CN102818708A CN102818708A CN2011101649186A CN201110164918A CN102818708A CN 102818708 A CN102818708 A CN 102818708A CN 2011101649186 A CN2011101649186 A CN 2011101649186A CN 201110164918 A CN201110164918 A CN 201110164918A CN 102818708 A CN102818708 A CN 102818708A
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- pendulum
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- automobile cab
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- back end
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Abstract
The invention discloses a device for detecting an automobile cab and a front and rear end protecting device. The detecting device structurally comprises a main body frame, wherein the main body frame is fixedly arranged on the ground and has certain height, length and width; a speed reducer is arranged at the upper end of the left side of the main body frame; a pendulum bob is arranged at the lower end of the speed reducer through a spindle elevating mechanism; a protecting device is further arranged on the pendulum bob; a hoisting motor is arranged at the upper part of the frame; a steel cable for hoisting the pendulum bob is arranged between the hoisting motor and the pendulum bob; an electric sucker is arranged at the rear end of the pendulum bob; a collider is arranged at the right end of the frame; an electric sucker is arranged at one end of the collider; the electric sucker is connected with the hoisting motor through a cable; a power-off protecting device is further arranged on the device; and a camera and a data acquisition system are arranged well before the experiment. The detecting device has the beneficial effects that the system can be used for easily observing the dynamic response and deformation situations of a sample in the collision process, has more acquired data, and is high in testing precision, simple in structure and easy to operate.
Description
Technical field
What the present invention relates to is that a kind of vehicle is used pick-up unit, relates to the detection test of the positive bump of a kind of automobile cab and the detection test unit of automobile front and back end protective device concretely.
Background technology
The detection pilot system of the positive bump of automobile cab and the detection pilot system of automobile front and back end protective device are an indispensable detection pilot system in the automotive crash safety Performance Detection; It is a necessary pick-up unit of being responsible for the quality quality of check automobile product, thereby reduces in occupant's damage in the traffic hazard and dead, as to safeguard consumer life security and the national wealth and play important effect promoting auto vendor to improve the automotive crash safety performance.There is the detection pilot system of the positive bump of automobile cab that two kinds of forms are arranged at present.
A kind of is the detection pilot system of automobile product being carried out the full scale vehicle collision rigid wall.This method is an automotive crash safety property detection pilot system commonly used, and through the motor haulage cable, rope belt dynamic test sample car accelerates to the speed that needs, and strikes at last on the fixedly obstacle of a rigidity.This kind wire examination method can directly be judged automobile whether occupant's protective effect is satisfied the requirement of standard, has played vital role to promoting auto vendor to improve vehicle safety performance.But the defective that this detection pilot system exists is that equipment investment and floor area are big, and the impact test that generally is only applicable to M1 class car (car) detects.
Another kind is to adopt pendulum impact test method, utilizes the principle of work of pendulum, and pendulum is fallen from certain angle or height free pendulum, clashes in extreme lower position and sample.This test method system cost of investment is low, system's floor area is little.But because detecting, vehicle impact testing is destructive, nonrepeatability test, success that must warranty test during test, and this precision and reliability to system is had higher requirement, and existing facilities fail reaches such requirement.Therefore when guaranteeing the system operation reliability, precision, the security that how to guarantee system is the problem that the technician is badly in need of solving.
Summary of the invention
The purpose of this invention is to provide a kind of overall checkout equipment to automobile cab frontal collision test ability and front and back end protective device test capability; This assay device structures is simple, testing process is safe and reliable, accuracy of detection is high; It is many to obtain experimental data, and the pick-up unit floor area is little etc.
The checkout equipment of automobile cab of the present invention and the test of front and back end protective device is such: be fixedly installed on the ground main body frame that certain altitude and length and width are arranged; Said upper end, left side at main body frame is provided with reductor, saidly is provided with pendulum in the reductor lower end through the rotating shaft hoisting gear, on pendulum, also is provided with protective device; Framework upper is provided with bridge motor; Be provided with the wirerope that pendulum is promoted between said bridge motor and the pendulum, be provided with electric sucker in the pendulum rear end, said framework right-hand member is provided with impinger; Impinger one end is provided with electric sucker; Said electric sucker links to each other through wirerope with bridge motor, on impinger, also is provided with protective device simultaneously, in process of the test, also is provided with video camera and data acquisition system (DAS) simultaneously.High-speed camera can supply that complete the noting of testing process examine impact process, and available subsequent analysis, checks weak point wherein; Data acquisition system (DAS) can collect the data of impact or pendulum height etc. accurately, and the data that make measurement come out are more, degree of accuracy is higher.
Further, said rotating shaft hoisting gear is such, is provided with screw mandrel near the two ends of main body frame width, and said screw mandrel links to each other with reductor through screw rodb base and transmission shaft, and said screw mandrel and crossbeam are in transmission connection.Link to each other with crossbeam through screw mandrel, can pass through reductor, transmission shaft and screw rodb base, move up and down by crossbeam through screw mandrel then, reach and regulate height to satisfy the purpose of dissimilar experimental models.
Further, said pendulum is hinged through swing arm and crossbeam, and such purpose is exactly for when promoting crossbeam, and the swing arm band pendulum and moved on and then.
Further, also be provided with angular transducer, can require according to rules in swing arm upper end and the hinged place of crossbeam; Its pendulum of different vehicles has difference to the impact energy of car; The angle that different pendulums need promote can be set, and angle is big more, and high impact forces is just big more more.
Further, also be provided with guide piece between said pendulum and the bridge motor, this guide piece can change the direction after pendulum promotes.
Further; The impinger that carries out the protective device test of bumper front and back end also is provided with ballast box; The purpose that ballast box is set is exactly that according to laws and regulations requirement, the effective bump quality that produces on the impinger datum line is consistent with the kerb weight of test vehicle to different vehicles; Because its kerb weight is different, the quality that therefore is equipped with is just different.
Further; Said pendulum and impinger protective device are provided with pilot piping, include cylinder, and are installed in the piston that can reciprocatingly slide in the cylinder; Piston one end links to each other with swing arm on the pendulum through a rod-like structure; The cylinder two ends are connected with two interfaces on the solenoid valve through tracheae respectively, and solenoid valve has interface to connect air compressor machine in addition, simultaneously air compressor machine and connect and insure CS and join.It is in order to prevent in measuring process that this protective device is set, if having a power failure, can prevent the unexpected bottom of pendulum, makes to measure not reach requirement the waste sample.This device is arranged, if having a power failure, the position before pendulum being parked in have a power failure can not be continued the bottom and injured the accident of testing crew or failure test sample car.
Further, be provided with control desk on the next door of framed structure, said control desk is controlled equipment such as starter motor, reductor and electric suckers through cable.Mainly be to be convenient to control the angle of swing arm or impinger and the work of controlling bridge motor, reductor.
The system of the invention has the advantages that can accomplish the detection test of positive bump of automobile cab and automobile front and back end protective device, and has outage self-protection device.Angular transducer that system selects for use and laser velocimeter can guarantee measuring accuracy; This system integration high-speed camera and data acquisition system (DAS); Can observe the distortion situation and the dynamic response of vehicle in the impact test process through high speed video system; Data acquisition system (DAS) then can be gathered the acceleration of vehicle measurement of correlation point in the collision process, data such as stressed in a large number, and these data are that the collision safety performance of assess sample and the crashworthiness that improves sample have improved the data foundation.
The invention has the beneficial effects as follows, can on an equipment, accomplish the detection test of positive bump of automobile cab and automobile front and back end protective device, coming into operation of system helps promoting auto vendor to improve automobile product collision safety performance.System can observe the dynamic response and the distortion situation of sample in the collision process easily, and image data is many, and measuring accuracy is high, and is safe and reliable, simple in structure, easily operation.
Description of drawings:
The main structure chart of Fig. 1 detection system of the present invention
Fig. 2 is a right view of the present invention
Fig. 3 is the structural representation of protective device among the present invention.
Below in conjunction with accompanying drawing and embodiment this new invention is further specified.
Embodiment
Automobile cab and automobile front and back end protective device test detecting equipment: fix main body frame 2 like Fig. 1, shown in 2 on the ground with certain altitude and length and width; Said frame left upper end is set with reductor 3; Reductor is in transmission connection through screw mandrel 12 and two crossbeams 11, and screw mandrel is hinged with swing arm 9 near the two ends of framework on crossbeam; The swing arm lower end is provided with pendulum 7; There is electric sucker 1 rear end of pendulum, and electric sucker links to each other with the bridge motor 4 that is arranged on the framework upper end through cable, and the impinger 6 that detects automobile front and back end protective device is arranged in the lower end, right side of framed structure; The impinger rear end is provided with electric sucker, and electric sucker is through cable and be arranged on ground guide piece 15 and link to each other with bridge motor 4.On impinger, also be provided with ballast box; It mainly acts on is exactly to different vehicles, because the kerb weight of vehicle is different, needs to give the casing of impinger back to join different quality; The rotating shaft hoisting gear is provided with for the height of adjusting pendulum; To different vehicles, adjust its bump height, arrange high-speed camera and data acquisition system (DAS) simultaneously.Through such setting, can observe each step in the testing process, and collect the precise information in the detection.
As shown in Figure 2; The said angular transducer 10 that in swing arm, also is provided with, reductor is fixedly installed on the top of framework, and two screw mandrels are near the two ends of frame width direction; Reductor is connected with screw rodb base 13 through transmission shaft 14, and screw mandrel links to each other with reductor through screw rodb base.Said swing arm be provided with 2 and more than, be convenient to bear the weight of pendulum, swing arm and two crossbeams are in hinged state.Said main body frame also is provided with many stiffening plates.
As shown in Figure 3; Said pendulum and impinger protective device are provided with pilot piping, include cylinder 17, and are installed in the piston that can reciprocatingly slide 18 in the cylinder; Piston one end links to each other with swing arm 9 on the pendulum through a rod-like structure; The cylinder two ends are connected with two interfaces on the solenoid valve 20 through tracheae respectively, and solenoid valve has interface to connect air compressor machine 21 in addition, simultaneously air compressor machine 21 and connect and insure CS 19 and join.The purpose that protective device is set has a power failure in testing process in order to prevent exactly midway, causes detecting failure.The course of work of protective device is such:
The course of work: native system has been set up pneumatic protective device in design process, is made up of cylinder, safety plug and air compressor machine (source of the gas), and by tracheae air compressor machine is connected with cylinder.Cylinder and safety plug are all on the channel-section steel that is connected between two cantilevers of electric sucker; Before test, press " insurance is closed " on the switch board panel, open air compressor machine again; After the pressure display on the air compressor machine reaches 0.6MPa; Cylinder pushes the hanger of stipulating on the pendulum with safety plug, and the position of hanger and the position of safety plug are corresponding, so just get into guard mode.
After getting into guard mode; Cylinder promotion safety plug combines as a whole the boom hoisting (electric sucker) and the pendulum of pendulum; Can only move simultaneously through the wire rope pulling, even unexpected device powers down, boom hoisting (electric sucker) can not separate with pendulum yet; Pendulum can not fall, and has ensured safety and test specimen intact of testing crew.The release guard device is seen Fig. 3.After reaching desired location, prepare to discharge, press " insurance is opened " on the control panel this moment.Safety plug ejects the hanger on the pendulum, and the switch of opening again electric sucker places " release " state, on-test.
Automobile cab bump of the present invention detects and tests is such realization: the pendulum in the frame left setting contacts with sample in extreme lower position; Through rotating shaft hoisting gear adjustment adjustment the pendulum turning axle is set, makes the bump centre of form of pendulum reach the impingement position that sample car requires; Arrange high-speed camera and data acquisition system (DAS) simultaneously.After test specimen is ready, through the control desk that is arranged on the main body frame limit control that makes an experiment.Start electric sucker button at control desk; The energising of electricity sucker holds pendulum; Protective device works simultaneously, starts the order of pendulum angular setting, the bridge motor running lifting pendulum on the main body frame; The pendulum angle becomes greatly gradually, reaches to preset angle (this angle can the corresponding Impact energy that produces laws and regulations requirement) back stop motion.When high-speed camera and data acquisition system (DAS) be in wait for the triggering state after; Remove the pendulum protective device, on control desk, start electric sucker release-push, electric sucker outage; The electricity sucker disappears to the suction of pendulum; The pendulum free pendulum falls, and clashes in extreme lower position and sample, and the bump of accomplishing pilothouse detects test.
Automobile front and back end protective device test: at first place the sample sample, arrange high-speed camera and data acquisition system (DAS) simultaneously by standard-required.After test specimen is ready; Start the sucker button; The energising of electricity sucker holds the rear end of impinger casing, starts the order of pendulum angular setting, the lifting motor rotation on the main body frame; And the guide piece through the system centre position with impinger toward post-tensioning, the impinger height reaches and presets stop motion behind the height.When high-speed camera and data acquisition system (DAS) be in wait for the triggering state after, start electric sucker release-push, electric sucker outage, the impinger free pendulum falls, and clashes in extreme lower position and sample, the detection of completion automobile front and back end protective device is tested.
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment to technical scheme of the present invention or/and be equal to replacement; And not breaking away from the aim and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (8)
1. automobile cab and front and back end protective device checkout equipment; It is characterized in that: be fixedly installed on the ground main body frame that certain altitude and length and width are arranged; Said upper end, left side at main body frame is provided with reductor, is provided with pendulum in said reductor lower end through the rotating shaft hoisting gear; Said main body frame top is provided with bridge motor; Be provided with the wirerope that pendulum is promoted between said bridge motor and the pendulum, be provided with electric sucker in the pendulum rear end, said framework right-hand member is provided with impinger; Impinger one end is provided with electric sucker; Said electric sucker links to each other through wirerope with bridge motor, and said pendulum and impinger setting are provided with protective device, and video camera and data acquisition system (DAS) also are set in process of the test simultaneously.
2. automobile cab according to claim 1 and front and back end protective device checkout equipment; It is characterized in that: said rotating shaft hoisting gear is such; Two ends near the main body frame width are provided with screw mandrel; Said screw mandrel links to each other with reductor through transmission shaft and screw rodb base, and reductor drives screw mandrel and rotates, and screw mandrel drives crossbeam and moves up and down.
3. automobile cab according to claim 2 and front and back end protective device checkout equipment, it is characterized in that: said pendulum is hinged through swing arm and crossbeam.
4. automobile cab according to claim 3 and front and back end protective device checkout equipment is characterized in that: also be provided with angular transducer in the swing arm upper end.
5. automobile cab according to claim 1 and front and back end protective device checkout equipment is characterized in that: also be provided with guide piece between said impinger and the bridge motor.
6. automobile cab according to claim 5 and front and back end protective device checkout equipment, it is characterized in that: said impinger also is provided with ballast box.
7. automobile cab according to claim 1 and front and back end protective device checkout equipment; It is characterized in that: said pendulum and impinger protective device are provided with pilot piping; Said pilot piping includes cylinder; And be installed in the piston that can reciprocatingly slide in the cylinder, and piston one end links to each other with swing arm on the pendulum through a rod-like structure, and the cylinder two ends are passed through tracheae respectively and are connected with two interfaces on the solenoid valve; Solenoid valve has interface to connect air compressor machine in addition, simultaneously air compressor machine with connect the insurance CS and join.
8. automobile cab according to claim 1 and front and back end protective device checkout equipment; It is characterized in that: the next door at main frame structure is provided with control desk, and said control desk is controlled equipment such as starter motor, reductor and electric suckers through cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110164918.6A CN102818708B (en) | 2011-06-08 | 2011-06-08 | Automobile cab and front and back end protective device checkout equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110164918.6A CN102818708B (en) | 2011-06-08 | 2011-06-08 | Automobile cab and front and back end protective device checkout equipment |
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| Publication Number | Publication Date |
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| CN102818708A true CN102818708A (en) | 2012-12-12 |
| CN102818708B CN102818708B (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110164918.6A Active CN102818708B (en) | 2011-06-08 | 2011-06-08 | Automobile cab and front and back end protective device checkout equipment |
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| CN (1) | CN102818708B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116878A (en) * | 2015-08-14 | 2015-12-02 | 宁波祥路汽车部件股份有限公司 | Collision experiment measuring and controlling equipment for automobile anti-collision beam |
| CN105716824A (en) * | 2016-04-14 | 2016-06-29 | 公安部交通管理科学研究所 | Pendulum type automobile instrument collision test device |
| 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 |
| CN106644348A (en) * | 2017-02-16 | 2017-05-10 | 公安部交通管理科学研究所 | Air pump guide rail type vehicle instrument collision validation device |
| CN108507798A (en) * | 2017-12-27 | 2018-09-07 | 南昌大学 | Trolley accelerator on I-beam |
| CN109580242A (en) * | 2017-09-28 | 2019-04-05 | 郑州宇通客车股份有限公司 | Vehicle side wall column anti-shear ability test method and experimental rig, test-bed |
| 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 |
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| CN201464189U (en) * | 2009-07-02 | 2010-05-12 | 河北省机械科学研究设计院 | Device for detecting side protection of automobile |
| CN201688959U (en) * | 2009-10-23 | 2010-12-29 | 南京航空航天大学 | Speed-adjustable vehicle side-collision device |
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| US20050204800A1 (en) * | 2004-03-18 | 2005-09-22 | Nagarjun Yetukuri | Head restraint evaluator |
| CN201012892Y (en) * | 2007-01-27 | 2008-01-30 | 河南中光学集团有限公司 | Double screw rod lifting platform |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116878A (en) * | 2015-08-14 | 2015-12-02 | 宁波祥路汽车部件股份有限公司 | Collision experiment measuring and controlling equipment for automobile anti-collision beam |
| CN105716824A (en) * | 2016-04-14 | 2016-06-29 | 公安部交通管理科学研究所 | Pendulum type automobile instrument collision test device |
| CN105716824B (en) * | 2016-04-14 | 2018-06-05 | 公安部交通管理科学研究所 | Pendulum automobile instrument collision test device |
| 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 |
| CN106644348A (en) * | 2017-02-16 | 2017-05-10 | 公安部交通管理科学研究所 | Air pump guide rail type vehicle instrument collision validation device |
| CN109580242A (en) * | 2017-09-28 | 2019-04-05 | 郑州宇通客车股份有限公司 | Vehicle side wall column anti-shear ability test method and experimental rig, test-bed |
| CN108507798A (en) * | 2017-12-27 | 2018-09-07 | 南昌大学 | Trolley accelerator on I-beam |
| CN108507798B (en) * | 2017-12-27 | 2023-12-22 | 南昌航空大学 | Trolley accelerating device on I-beam |
| 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 |
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| CN102818708B (en) | 2016-03-30 |
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Address after: 400000 No. 9, Xinjin Avenue, Jiulongpo high tech Zone, Chongqing Patentee after: China Merchants Testing Vehicle Technology Research Institute Co.,Ltd. Address before: Northern New Chongqing 401122 ring Star Road No. 1 Patentee before: CHONGQING VEHICLE TEST & Research Institute |
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