CN102818708B - Automobile cab and front and back end protective device checkout equipment - Google Patents
Automobile cab and front and back end protective device checkout equipment Download PDFInfo
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- CN102818708B CN102818708B CN201110164918.6A CN201110164918A CN102818708B CN 102818708 B CN102818708 B CN 102818708B CN 201110164918 A CN201110164918 A CN 201110164918A CN 102818708 B CN102818708 B CN 102818708B
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Abstract
The present invention is the checkout equipment of a kind of automobile cab and front and back end protective device, its structure is: be fixedly installed on the ground main body frame having certain altitude and length and height, the described upper end, left side at main body frame is provided with reductor, describedly in reductor lower end, rotating shaft hoisting gear is provided with pendulum, pendulum is also provided with protective device, framework upper is provided with bridge motor, the wirerope promoted by pendulum is provided with between described bridge motor and pendulum, pendulum rear end is provided with electric sucker, described framework right-hand member is provided with impinger, impinger one end is provided with electric sucker, described electric sucker is connected by cable with bridge motor, on equipment, be also provided with cut protection device simultaneously, arrange video camera and data acquisition system (DAS) before the test, the system of the invention has the beneficial effects as follows easily can observe dynamic response and the deformation of sample in collision process, and image data is many, and measuring accuracy is high, and structure is simple, easily operates.
Description
Technical field
What the present invention relates to is a kind of vehicle pick-up unit, relates to a kind of detection experiment of automobile cab frontal impact and the detection experiment device of automobile front and back end protective device concretely.
Background technology
The detection experiment system of automobile cab frontal impact and the detection experiment system of automobile front and back end protective device are indispensable detection experiment systems in Crash Safety Design of Vehicles can detect; it is the necessary pick-up unit being responsible for the quality checking automobile product, improves Crash Safety Design of Vehicles energy thus reduce in traffic hazard to play very important effect in occupant injury and death, the life security safeguarding consumer and national wealth promoting auto vendor.The detection experiment system of automobile cab frontal impact is had to have two kinds of forms at present.
A kind of is the detection experiment system of automobile product being carried out to full scale vehicle collision rigid wall.This method is the detection experiment system that Crash Safety Design of Vehicles is conventional, and by motor haulage cable, rope belt dynamic test sample car accelerates to the speed of needs, finally strikes on the fixing obstacle of a rigidity.This kind of wire examination method directly can judge whether automobile meets the requirement of standard to the protective effect of occupant, improves vehicle safety performance serve vital role to promotion auto vendor.But the defect that this detection experiment system exists is that equipment investment and floor area are large, and the impact test being generally only applicable to M1 class car (car) detects.
Another kind adopts pendulum impact test method, utilizes the principle of work of pendulum, make pendulum from certain angle or highly freely put, clashing in extreme lower position and sample.This test method system investments cost is low, system footprint area is little.But because vehicle impact testing is detected as destructiveness, nonrepeatability test, must the success of warranty test during test, this has higher requirement to the precision of system and reliability, and existing equipment can not reach such requirement.Therefore, while guarantee Dynamic System reliability, how to ensure the precision of system, security is the problem that technician is badly in need of solving.
Summary of the invention
The object 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; obtain experimental data many, and 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 having certain altitude and length and width, the described upper end, left side at main body frame is provided with reductor, describedly in reductor lower end, rotating shaft hoisting gear is provided with pendulum, pendulum is also provided with protective device, framework upper is provided with bridge motor, the wirerope promoted by pendulum is provided with between described bridge motor and pendulum, pendulum rear end is provided with electric sucker, described framework right-hand member is provided with impinger, impinger one end is provided with electric sucker, described electric sucker is connected by wirerope with bridge motor, on impinger, be also provided with protective device simultaneously, in process of the test, be also provided with video camera and data acquisition system (DAS) simultaneously.High-speed camera can be recorded complete for testing process, for examining impact process, and available subsequent analysis, check weak point wherein; Data acquisition system (DAS) can collect impact or the data etc. of pendulum height accurately, such that the data measured are more, degree of accuracy is higher.
Further, described rotating shaft hoisting gear is such, and the two ends of main body frame width are provided with screw mandrel, and described screw mandrel is connected with reductor by screw rodb base and transmission shaft, and described screw mandrel and crossbeam are in transmission connection.Be connected with crossbeam by screw mandrel, can reductor, transmission shaft and screw rodb base be passed through, then be moved up and down by crossbeam by screw mandrel, reach and regulate height to meet the object of dissimilar experimental model.
Further, described pendulum by swing arm and crossbeam hinged, such object is exactly in order to when lifting crossbeam, swing arm with pendulum and then on move.
Further, be also provided with angular transducer in swing arm upper end and the hinged place of crossbeam, can require according to regulation, the impact energy of its pendulum of different vehicles to car has difference, can arrange the angle that different pendulums needs to promote, angle is larger, and more high impact forces is larger.
Further, be also provided with guide piece between described pendulum and bridge motor, this guide piece can change the direction after pendulum lifting.
Further; the impinger carrying out the protective device test of bumper front and back end is also provided with ballast box; the object arranging ballast box is exactly for different vehicles; according to laws and regulations requirement; effective shock quality that impinger datum line produces is consistent with the kerb weight of test vehicle; because its kerb weight is different, the quality be therefore equipped with is just different.
Further; described pendulum and impinger protective device are provided with pilot piping; include cylinder; and the piston that can reciprocatingly slide installed in the cylinder; piston one end is connected with the swing arm on pendulum by a rod-like structure; cylinder two ends are connected with the interface of two on solenoid valve respectively by tracheae, and solenoid valve has interface to connect air compressor machine in addition, and simultaneously air compressor machine insures gauge tap and connects with connecing.Arranging this protective device is to prevent in measuring process, if had a power failure, can prevent the unexpected bottom of pendulum, make measurement not reach requirement, waste sample.Have this device, if had a power failure, the position before pendulum can be made to be parked in power failure, can not continue the bottom and the accident of testing crew or failure test sample car occurs to injure.
Further, the side of framed structure is provided with control desk, described control desk is controlled equipment such as starter motor, reductor and electric suckers by cable.Mainly be convenient to control the angle of swing arm or impinger and control the work of bridge motor, reductor.
The system of the invention has the advantages that can complete the detection experiment of automobile cab frontal impact and automobile front and back end protective device, and has power-off self-protection device.The angular transducer that system is selected and laser velocimeter can ensure measuring accuracy; This system integration high-speed camera and data acquisition system (DAS), deformation and the dynamic response of vehicle in impact test process can be observed by high speed video system, data acquisition system (DAS) then can gather the acceleration of vehicle measurement of correlation point in collision process, the 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 improve data foundation.
The invention has the beneficial effects as follows, can complete the detection experiment of automobile cab frontal impact and automobile front and back end protective device on one device, coming into operation of system is conducive to promoting that automobile product collision safety performance improves in auto vendor.System easily can observe dynamic response and the deformation of sample in collision process, and image data is many, and measuring accuracy is high, safe and reliable, and structure is simple, easily operates.
Accompanying drawing illustrates:
The main structure chart of Fig. 1 detection system of the present invention
Fig. 2 is right view of the present invention
Fig. 3 is the structural representation of protective device in the present invention.
Below in conjunction with drawings and Examples, this new invention is further illustrated.
Embodiment
Automobile cab and automobile front and back end protective device test detecting equipment: as Fig. 1, the main body frame 2 with certain altitude and length and width is fixed on the ground shown in 2, described frame left upper end is fixedly installed reductor 3, reductor is in transmission connection by screw mandrel 12 and two crossbeams 11, screw mandrel is near the two ends of framework, crossbeam is hinged with swing arm 9, swing arm lower end is provided with pendulum 7, there is electric sucker 1 rear end of pendulum, electricity sucker is connected with the bridge motor 4 being arranged on framework upper end by cable, the impinger 6 detecting automobile front and back end protective device is had in the lower end, right side of framed structure, impinger rear end is provided with electric sucker, electricity sucker passes through cable, and be arranged on ground guide piece 15 and be connected with bridge motor 4.Impinger is also provided with ballast box, its Main Function is exactly for different vehicles, because the kerb weight of vehicle is different, the casing after to impinger is needed to join different quality, rotating shaft hoisting gear is arranged to adjust the height of pendulum, for different vehicles, adjust it and clash into height, arrange high-speed camera and data acquisition system (DAS) simultaneously.By such setting, each step in testing process can be observed, and collect the precise information in detection.
As shown in Figure 2, describedly in swing arm, be also provided with angular transducer 10, reductor is fixedly installed on the top of framework, and two screw mandrels are near the two ends in frame width direction, reductor is connected with screw rodb base 13 by transmission shaft 14, and screw mandrel is connected with reductor by screw rodb base.Described swing arm be provided with 2 and more than, be convenient to the weight bearing pendulum, swing arm and two crossbeams are in hinged state.Described main body frame is also provided with many stiffening plates.
As shown in Figure 3; described pendulum and impinger protective device are provided with pilot piping; include cylinder 17; and the piston 18 that can reciprocatingly slide installed in the cylinder; piston one end is connected with the swing arm 9 on pendulum by a rod-like structure; cylinder two ends are connected with the interface of two on solenoid valve 20 respectively by tracheae, and solenoid valve has interface to connect air compressor machine 21 in addition, and simultaneously air compressor machine 21 insures gauge tap 19 and connects with connecing.The object arranging protective device is exactly have a power failure in testing process midway to prevent, and causes detecting unsuccessfully.The course of work of protective device is such:
The course of work: native system has set up Pneumatic protecting device in the design process, is made up of cylinder, safety plug and air compressor machine (source of the gas), and is connected with cylinder by air compressor machine by tracheae.Cylinder and safety plug are all being connected on the channel-section steel between electric sucker two cantilevers; before the test; press " insurance is closed " on switch board panel; open air compressor machine again; after the pressure display on air compressor machine reaches 0.6MPa; safety plug is pushed the hanger that pendulum specifies by cylinder, and the position of hanger and the position correspondence of safety plug, so just enter guard mode.
After entering guard mode; cylinder promotes safety plug and the boom hoisting (electric sucker) of pendulum and pendulum is combined as a whole; pull can only move simultaneously by wire rope; even if device powers down suddenly; boom hoisting (electric sucker) also can not be separated with pendulum; pendulum can not fall, and has ensured the safety of testing crew and the intact of test specimen.Release guard device is shown in Fig. 3.After reaching desired location, prepare release, now press " insurance is opened " on control panel.Safety plug ejects the hanger on pendulum, then opens and the switch of electric sucker is placed in " release " state, on-test.
It is such realization that automobile cab of the present invention clashes into detection experiment: the pendulum arranged in frame left contacts with sample in extreme lower position, by rotating shaft hoisting gear adjustment adjustment, pendulum turning axle is set, the impingement position making the shock centre of form of pendulum reach sample car to require; Arrange high-speed camera and data acquisition system (DAS) simultaneously.After test specimen is ready, carry out controlling test by the control desk being arranged on main body frame limit.Electric sucker button is started at control desk; the energising of electricity sucker holds pendulum; protective device works simultaneously; start the order of pendulum angular setting; bridge motor running lifting pendulum on main body frame; pendulum angle becomes large gradually, reaches preset angle (this angle may correspond to the Impact energy producing laws and regulations requirement) stop motion afterwards.After high-speed camera and data acquisition system (DAS) are in wait trigger state; remove pendulum protective device; control desk starts electric sucker release-push; the power-off of electricity sucker; electricity sucker disappears to the suction of pendulum; pendulum is freely put, and clashes in extreme lower position and sample, completes the shock detection experiment of pilothouse.
Automobile front and back end protective device test: first place samples by standard-required, arrange high-speed camera and data acquisition system (DAS) simultaneously.After test specimen is ready, start sucker button, the energising of electricity sucker holds the rear end of impinger casing, start the order of pendulum angular setting, lifting motor rotation on main body frame, and by the guide piece in system centre position by impinger toward post-tensioning, impinger height reaches stop motion after presetting height.After high-speed camera and data acquisition system (DAS) are in wait trigger state, start electric sucker release-push, electric sucker power-off, impinger is freely put, and clashes in extreme lower position and sample, completes the detection experiment of automobile front and back end protective device.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify or/and equivalent replacement to technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (7)
1. an 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 having certain altitude and length and width, the upper end, left side of main body frame is provided with reductor, in described reductor lower end, rotating shaft hoisting gear is provided with pendulum; Described main body frame top is provided with bridge motor, the wirerope promoted by pendulum is provided with between described bridge motor and pendulum, pendulum rear end is provided with electric sucker, described framework right-hand member is provided with impinger, impinger one end is provided with electric sucker, described electric sucker is connected by wirerope with bridge motor, and described pendulum is provided with protective device, also arranges video camera and data acquisition system (DAS) in process of the test simultaneously;
Described pendulum protective device is provided with pilot piping; the piston that can reciprocatingly slide that described pilot piping includes cylinder and installs in the cylinder; piston one end is connected with the swing arm on pendulum by a rod-like structure; cylinder two ends are connected with the interface of two on solenoid valve respectively by tracheae; solenoid valve has interface to connect air compressor machine in addition, and air compressor machine connects with insurance gauge tap simultaneously.
2. automobile cab according to claim 1 and front and back end protective device checkout equipment; it is characterized in that: described rotating shaft hoisting gear is such; the two ends of main body frame width are provided with screw mandrel; described screw mandrel is connected with reductor by transmission shaft and screw rodb base; reductor drives screw mandrel to rotate, and screw mandrel drives crossbeam to move up and down.
3. automobile cab according to claim 2 and front and back end protective device checkout equipment, is characterized in that: described pendulum by swing arm and crossbeam hinged.
4. automobile cab according to claim 3 and front and back end protective device checkout equipment, is characterized in that: be also provided with angular transducer in swing arm upper end.
5. automobile cab according to claim 1 and front and back end protective device checkout equipment, is characterized in that: be also provided with guide piece between described impinger and bridge motor.
6. automobile cab according to claim 5 and front and back end protective device checkout equipment, is characterized in that: described impinger is also provided with ballast box.
7. automobile cab according to claim 1 and front and back end protective device checkout equipment, is characterized in that: the side of main frame structure is provided with control desk, and described control desk is controlled bridge motor, reductor and electric sucker by 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 CN102818708A (en) | 2012-12-12 |
| CN102818708B true 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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Families Citing this family (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 |
| 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 |
| 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 |
| 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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| CN201311347Y (en) * | 2008-11-07 | 2009-09-16 | 湖南大学 | Truck cab pendulum type frontal impact test platform |
| 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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| US6983638B2 (en) * | 2004-03-18 | 2006-01-10 | Lear Corporation | Head restraint evaluator |
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Patent Citations (4)
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|---|---|---|---|---|
| CN201012892Y (en) * | 2007-01-27 | 2008-01-30 | 河南中光学集团有限公司 | Double screw rod lifting platform |
| CN201311347Y (en) * | 2008-11-07 | 2009-09-16 | 湖南大学 | Truck cab pendulum type frontal impact test platform |
| 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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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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