CN102829982A - Detection platform for strength of side protective device of truck/trailer and detecting device thereof - Google Patents
Detection platform for strength of side protective device of truck/trailer and detecting device thereof Download PDFInfo
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- CN102829982A CN102829982A CN2012103207315A CN201210320731A CN102829982A CN 102829982 A CN102829982 A CN 102829982A CN 2012103207315 A CN2012103207315 A CN 2012103207315A CN 201210320731 A CN201210320731 A CN 201210320731A CN 102829982 A CN102829982 A CN 102829982A
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Abstract
The invention relates to a detection platform for side protection strength of a truck/trailer. The platform comprises a test bed, a hydraulic loading mechanism and a hydraulic supply system, wherein the hydraulic loading mechanism comprises a support frame, a hydraulic cylinder and a force sensor, the hydraulic cylinder is horizontally arranged on the upper surface of the test bed through the support frame, the front end of a push rod of the hydraulic cylinder is provided with the force sensor, and the hydraulic supply system is a hydraulic station. The invention also relates to a method for detecting the side protection strength of the truck/trailer by the detection platform, which comprises the following steps: the experiment state of the truck is adjusted; the horizontal height position of the test bed is determined; the position of the test bed is fixed; a stay cord displacement sensor is arranged; and a test is carried out. The detection platform disclosed by the invention completely meets the use requirements of a motor vehicle safety detection organization and a vehicle administration office on the on-site detection of the whole motor vehicle. The detection method disclosed by the invention is based on the detection platform disclosed by the invention, and the standardization and the high efficiency of the strength detection on the side protective device of the vehicle can be realized.
Description
Technical field
The invention belongs to the vehicle detection field, particularly a kind of lorry/trailer side protective device intensity detection platform and detection method.
Background technology
At present, China is GB11567.1-2001 " automobile and trailer side shield device " for the standard of vehicle side protection type device execution.The vehicle that adopts such device is also had clearly regulation: the national standard " motor vehicle security of operation technical conditions " that new issue in 2004 is implemented (GB7258-2004); To the truck and trailer of gross mass, must provide, adopt the rear flank protective device on request greater than 3500kg.
Above control measures have been improved the state of the art of Truck Under-run Protector greatly, but become with the difficult point in the work of car safety verification for the requirement of strength of Truck Under-run Protector.Motor vehicle safety inspection mechanism, vehicle administration office lack necessary on-the-spot checkout equipment when the Truck Under-run Protector security performance is carried out the view of the scene, can't according to GB11567.1-2001 " automobile and trailer side shield device " standard carries out field test or examination work to the intensity of protective device; Intensity this and the closely-related technical indicator of security performance of protective device can't be detected, and the accordance of protective device is judged and is had difficulties.
Summary of the invention
The object of the present invention is to provide a kind of can being adapted to use workable lorry/trailer side protection intensity detection platform and detection method when information of safety inspection for motor vehicles mechanism, vehicle administration office carry out the scene detection to car load.
The present invention solves its technical matters and realizes through following technical scheme:
A kind of lorry/trailer side protection intensity detection platform; It is characterized in that: comprise test platform, hydraulic loaded mechanism and hydraulic feed system; Hydraulic loaded mechanism comprises bracing frame, hydraulic cylinder and force transducer; Hydraulic cylinder is installed in the test platform upper surface through the bracing frame level, at hydraulic cylinder push rod front end force transducer is installed; Hydraulic feed system is a Hydraulic Station.
Also comprise a trolley, this trolley is made up of base plate, the hand push frame that is packed in its rear portion and bottom roller, and said test platform is installed in the upper surface of this trolley base plate through elevating mechanism.
The structure of described lift drive mechanism is: comprise fork-shaped lifting support, decline driving switch, rising driving switch and driver; Symmetry is installed the fork-shaped lifting support between said test platform bottom and the go-cart plate upper surface; Between test platform bottom and go-cart plate upper surface, said driver is installed; Said decline driving switch, rising driving switch are connected with driver control, and this driver adopts the mechanical type hydraulic lifting structure.
Said hydraulic cylinder push rod leading section is shaped on circular concora crush head, is fixed with laser pen in the positive central authorities of this circle concora crush head.
Be fixed with two set collars at the test platform front end face, these two set collar symmetries are positioned at two side positions of said hydraulic cylinder push rod.
A kind of lorry/trailer side protection strength detecting method that adopts above-mentioned detection platform is characterized in that: may further comprise the steps:
⑴. adjustment load-carrying vehicle experimental state:
Vehicle should be placed on the plane of a level, and pivoted wheels on vehicle should be in the straight-line travelling position, and vehicle should be in the complete vehicle curb weight state, and semitrailer should be placed on the fulcrum arrangement, is in horizontality basically;
⑵. confirmed test platform level height position:
Adjustment experiment porch level height position, the luminous point that penetrates until the laser pen of hydraulic cylinder leading section center protects the level height line flush on the gooseneck with the instruction carriage side;
⑶. the stationkeeping of test platform:
Utilize two set collars of front end face on the platform to be connected with the longeron of test vehicle, and tighten the circular concora crush head and to be tested side anti-device applying of euphroe until hydraulic cylinder cylinder bar front end through euphroe.
⑷. the stay cord displacement transducer is installed:
One Magnetic gauge stand is adsorbed on the gooseneck directly over the test vehicle testing site; Displacement transducer is installed on the Magnetic gauge stand; The height of displacement transducer is concordant with circular concora crush head, and the stay cord of displacement transducer is pulled out, and is hooked in the circular concora crush head of hydraulic stem push rod front end;
⑸. test
Open hydraulic control system, hydraulic cylinder cylinder bar is released, to the testing site pressurization of test vehicle; The force value of force transducer rises, and stay cord displacement transducer shift value rises, and begins test; After pressure reaches setting value; Experiment finishes, and generates this laboratory report and relevant criterion and compares, and judges whether experimental result is qualified.
Advantage of the present invention and beneficial effect are:
1. this lorry/trailer side protection intensity detection platform is integrated on the test platform compact conformation with Hydraulic Station and hydraulic cylinder; Volume is little; Be convenient to move, can easily move to the tested vehicle during detection, pressurize through side protective device to test vehicle; Realization detects the side protective device of lorry/trailer, is adapted at using when information of safety inspection for motor vehicles mechanism, vehicle administration office carry out the scene detection to car load.
2. this lorry/trailer side is protected the intensity detection platform, and test platform can be installed on the trolley, thereby is convenient to more move, and improves the convenience of detecting operation.
3. this lorry/trailer side is protected the intensity detection platform, and test platform has the function that liftable is regulated, in the testing process; Test platform is raised up to the testing site aligns, when not using, can test platform be fallen; Be convenient to move and deposit; Regulate through rising, decline driving switch, it is very convenient to operate, and the while is applicable to the detection of different automobile types.
4. this lorry/trailer side is protected the intensity detection platform; Hydraulic cylinder push rod leading section is shaped on circular concora crush head, can be uniformly and effectively to the testing site pressurization, and the positive central authorities at this circle concora crush head are fixed with laser pen simultaneously; Be used for and the testing site levelling, improve accuracy of detection.
5. this lorry/trailer side protection intensity detection platform is fixed with two set collars at the test platform front end face, is used for being fixed as one with tested vehicle simple in structure, good fixing effect, and easy operating.
6. this lorry/trailer side protection strength detecting method based on detection platform of the present invention, and comprehensively uses the stay cord displacement transducer to come the synchronous detection displacement, have simple to operate, the advantage that accuracy of detection is good.
7. detection platform of the present invention, compact conformation, design science is reasonable, and is easy to use, and robotization is high, satisfies information of safety inspection for motor vehicles mechanism, vehicle administration office carry out on-the-spot detection to car load request for utilization fully.Detection method of the present invention based on detection platform of the present invention, can realize the standardization and the high efficiency of vehicle side protective device intensity detection, has extremely strong popularizing application prospect.
Description of drawings
Fig. 1 is the structural representation of detection platform of the present invention;
Fig. 2 is the structural representation (rear portion) of detection platform of the present invention;
Fig. 3 is the principle schematic of detection method of the present invention.
Description of reference numerals:
1-hand push frame, 2-hydraulic feed system, 3-bracing frame, 4-hydraulic cylinder, 5-force transducer,
The circular concora crush head of 6-, 7-laser pen, 8-set collar 9-base plate, 10-roller, 11-fork-shaped lifting support,
12-test platform, 13-rising driving switch, 14-decline driving switch, 15-vehicle to be tested,
16-Magnetic gauge stand, 17-stay cord displacement transducer, 18-stay cord.
Embodiment
Through specific embodiment the present invention is made further detailed description below, following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
A kind of lorry/trailer side protection intensity detection platform; It comprises test platform 12, hydraulic loaded mechanism and hydraulic feed system 2; Hydraulic loaded mechanism comprises bracing frame 3, hydraulic cylinder 4 and force transducer 5; Hydraulic cylinder is installed in the test platform upper surface through the bracing frame level, at hydraulic cylinder push rod front end force transducer is installed; Hydraulic feed system is a Hydraulic Station.
Also comprise a trolley, this trolley is made up of base plate 9, the hand push frame 1 that is packed in its rear portion and bottom roller 9, and said test platform is installed in the upper surface of this trolley base plate through elevating mechanism.
The structure of lift drive mechanism is: comprise fork-shaped lifting support 11, decline driving switch 14, rising driving switch 13 and driver; Symmetry is installed the fork-shaped lifting support between said test platform bottom and the go-cart plate upper surface; Between test platform bottom and go-cart plate upper surface, said driver is installed; Said decline driving switch, rising driving switch are connected with driver control, and this driver adopts the mechanical type hydraulic lifting structure.
Said hydraulic cylinder push rod leading section is shaped on circular concora crush head 6, is fixed with laser pen 7 in the positive central authorities of this circle concora crush head.Be fixed with two set collars 8 at the test platform front end face, these two set collar 8 symmetries are positioned at two side positions of said hydraulic cylinder push rod.
A kind of lorry/trailer side protection strength detecting method that adopts above-mentioned detection platform is characterized in that: may further comprise the steps:
(1) adjustment load-carrying vehicle experimental state:
Vehicle 15 to be tested should be placed on the plane of a level, and pivoted wheels on vehicle should be in the straight-line travelling position, and vehicle should be in the complete vehicle curb weight state, and semitrailer should be placed on the fulcrum arrangement, is in horizontality basically;
(2) confirmed test platform level height position:
Adjustment experiment porch level height position, the luminous point that penetrates until the laser pen of hydraulic cylinder leading section center protects the level height line flush on the gooseneck with the instruction carriage side;
(3) stationkeeping of test platform:
Utilize two set collars 8 of front end face on the platform to be connected with the longeron of test vehicle, and tighten the circular concora crush head and to be tested side anti-device applying of euphroe until hydraulic cylinder cylinder bar front end through euphroe;
(4) the stay cord displacement transducer is installed:
One Magnetic gauge stand 16 is adsorbed on the gooseneck directly over the test vehicle testing site; Stay cord displacement transducer 17 is installed on the Magnetic gauge stand; The height of displacement transducer is concordant with circular concora crush head; The stay cord 18 of displacement transducer is pulled out, be hooked in the circular concora crush head of hydraulic stem push rod front end;
(5) test
Open hydraulic control system, hydraulic cylinder cylinder bar is released, to the testing site pressurization of test vehicle; The force value of force transducer rises, and stay cord displacement transducer shift value rises, and begins test; After pressure reaches setting value; Experiment finishes, and generates this laboratory report and relevant criterion and compares, and judges whether experimental result is qualified.
Claims (6)
1. lorry/trailer side is protected the intensity detection platform; It is characterized in that: comprise test platform, hydraulic loaded mechanism and hydraulic feed system; Hydraulic loaded mechanism comprises bracing frame, hydraulic cylinder and force transducer; Hydraulic cylinder is installed in the test platform upper surface through the bracing frame level, at hydraulic cylinder push rod front end force transducer is installed; Hydraulic feed system is a Hydraulic Station.
2. lorry according to claim 1/trailer side protection intensity detection platform; It is characterized in that: also comprise a trolley; This trolley is made up of base plate, the hand push frame that is packed in its rear portion and bottom roller, and said test platform is installed in the upper surface of this trolley base plate through elevating mechanism.
3. lorry according to claim 1/trailer side protection intensity detection platform; It is characterized in that: the structure of described lift drive mechanism is: comprise fork-shaped lifting support, decline driving switch, rising driving switch and driver; Symmetry is installed the fork-shaped lifting support between said test platform bottom and the go-cart plate upper surface; Between test platform bottom and go-cart plate upper surface, said driver is installed; Said decline driving switch, rising driving switch are connected with driver control, and this driver adopts the mechanical type hydraulic lifting structure.
4. lorry according to claim 1/trailer side protection intensity detection platform, it is characterized in that: said hydraulic cylinder push rod leading section is shaped on circular concora crush head, is fixed with laser pen in the positive central authorities of this circle concora crush head.
5. lorry according to claim 1/trailer side protection intensity detection platform, it is characterized in that: be fixed with two set collars at the test platform front end face, these two set collar symmetries are positioned at two side positions of said hydraulic cylinder push rod.
6. one kind is adopted the lorry/trailer side of above-mentioned detection platform to protect strength detecting method, it is characterized in that: may further comprise the steps:
⑴. adjustment load-carrying vehicle experimental state:
Vehicle should be placed on the plane of a level, and pivoted wheels on vehicle should be in the straight-line travelling position, and vehicle should be in the complete vehicle curb weight state, and semitrailer should be placed on the fulcrum arrangement, is in horizontality basically;
⑵. confirmed test platform level height position:
Adjustment experiment porch level height position, the luminous point that penetrates until the laser pen of hydraulic cylinder leading section center protects the level height line flush on the gooseneck with the instruction carriage side;
⑶. the stationkeeping of test platform:
Utilize two set collars of front end face on the platform to be connected with the longeron of test vehicle, and tighten the circular concora crush head and to be tested side anti-device applying of euphroe until hydraulic cylinder cylinder bar front end through euphroe;
⑷. the stay cord displacement transducer is installed:
One Magnetic gauge stand is adsorbed on the gooseneck directly over the test vehicle testing site; Displacement transducer is installed on the Magnetic gauge stand; The height of displacement transducer is concordant with circular concora crush head, and the stay cord of displacement transducer is pulled out, and is hooked in the circular concora crush head of hydraulic stem push rod front end;
⑸. test
Open hydraulic control system, hydraulic cylinder cylinder bar is released, to the testing site pressurization of test vehicle; The force value of force transducer rises, and stay cord displacement transducer shift value rises, and begins test; After pressure reaches setting value; Experiment finishes, and generates this laboratory report and relevant criterion and compares, and judges whether experimental result is qualified.
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| CN2012103207315A CN102829982A (en) | 2012-09-03 | 2012-09-03 | Detection platform for strength of side protective device of truck/trailer and detecting device thereof |
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Cited By (8)
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| CN103286557A (en) * | 2013-06-09 | 2013-09-11 | 江西洪都航空工业集团有限责任公司 | Rapid docking mechanism for target stimulator bow cap and seeker |
| CN103344438A (en) * | 2013-07-05 | 2013-10-09 | 吉林大学 | Pinion-and-rack type intelligent rear protection device test bed for heavy-duty vehicle |
| CN105004531A (en) * | 2015-07-28 | 2015-10-28 | 罗公祥 | Semitrailer performance test platform |
| CN107907348A (en) * | 2017-12-22 | 2018-04-13 | 武汉华威专用汽车检测有限责任公司 | Automobile rear protection test device and automobile rear protection test equipment |
| CN109211586A (en) * | 2018-09-18 | 2019-01-15 | 苏州道捷电子科技有限公司 | Automobile rear protection detection device |
| CN109211498A (en) * | 2018-09-18 | 2019-01-15 | 中国标准化研究院 | Strength detection equipment and method |
| CN111157334A (en) * | 2020-01-15 | 2020-05-15 | 河北科技大学 | Test platform for detecting computer hardware performance |
| CN111689423A (en) * | 2020-06-16 | 2020-09-22 | 中国三冶集团有限公司 | Hydraulic platform truck for installing instrument in limited space and installation method |
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|---|---|---|---|---|
| CN103286557A (en) * | 2013-06-09 | 2013-09-11 | 江西洪都航空工业集团有限责任公司 | Rapid docking mechanism for target stimulator bow cap and seeker |
| CN103344438A (en) * | 2013-07-05 | 2013-10-09 | 吉林大学 | Pinion-and-rack type intelligent rear protection device test bed for heavy-duty vehicle |
| CN103344438B (en) * | 2013-07-05 | 2015-05-20 | 吉林大学 | Pinion-and-rack type intelligent rear protection device test bed for heavy-duty vehicle |
| CN105004531A (en) * | 2015-07-28 | 2015-10-28 | 罗公祥 | Semitrailer performance test platform |
| CN105004531B (en) * | 2015-07-28 | 2017-09-19 | 罗公祥 | Semitrailer Testing Platform |
| CN107907348A (en) * | 2017-12-22 | 2018-04-13 | 武汉华威专用汽车检测有限责任公司 | Automobile rear protection test device and automobile rear protection test equipment |
| CN107907348B (en) * | 2017-12-22 | 2024-03-26 | 中汽研汽车检验中心(武汉)有限公司 | Automobile rear protection testing device and automobile rear protection testing equipment |
| CN109211586A (en) * | 2018-09-18 | 2019-01-15 | 苏州道捷电子科技有限公司 | Automobile rear protection detection device |
| CN109211498A (en) * | 2018-09-18 | 2019-01-15 | 中国标准化研究院 | Strength detection equipment and method |
| CN109211498B (en) * | 2018-09-18 | 2020-12-01 | 中国标准化研究院 | Intensity detection device and method |
| CN111157334A (en) * | 2020-01-15 | 2020-05-15 | 河北科技大学 | Test platform for detecting computer hardware performance |
| CN111689423A (en) * | 2020-06-16 | 2020-09-22 | 中国三冶集团有限公司 | Hydraulic platform truck for installing instrument in limited space and installation method |
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Application publication date: 20121219 |