CN101424591A - Liquid jetting device for measuring automobile running track parameter - Google Patents
Liquid jetting device for measuring automobile running track parameter Download PDFInfo
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- CN101424591A CN101424591A CNA2008102430742A CN200810243074A CN101424591A CN 101424591 A CN101424591 A CN 101424591A CN A2008102430742 A CNA2008102430742 A CN A2008102430742A CN 200810243074 A CN200810243074 A CN 200810243074A CN 101424591 A CN101424591 A CN 101424591A
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- shower nozzle
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Abstract
The invention provides a liquid injection device applicable for accurately measuring traveling track parameters of motor vehicles, which comprises a liquid injection part, a wireless communication control part and a support mounting part, wherein the liquid injection part comprises a water pump and a sealing container used for containing color liquid, the sealing container is connected with a water outlet pipe and a nozzle and can be driven by the water pump to inject the color liquid to the ground so as to form traveling tracks of a combination vehicle, and the wireless communication control part receives high-frequency wireless instructions to start or close the water pump; the support mounting part comprises a support fixing ring, a connecting rod and a magnetic sucker, the support fixing ring is fixedly sleeved on the sealing container, and both ends of the connecting rod are respectively connected with the support fixing ring and the magnetic sucker through hinges. The liquid injection device can be conveniently mounted in positions, such as front axle midpoints and rear axle midpoints of the combination vehicle, the front outer side of a tractor, the rear outer side of the combination vehicle, and the like, and are hung and fixed in different positions, such as a chassis or a body of a heavy vehicle with a trailer, and the like through the magnetic sucker and the connecting rod. When a running vehicle is braked or turns, the liquid is automatically injected to be fine water columns to leave tracks on the ground, and the traveling tracks leaved by the water columns are detected to obtain the traveling track parameters of the vehicle.
Description
Technical field
The present invention relates to the measurement mechanism of measuring machine motor vehicle safety index parameter, relate in particular to a kind of by the liquid spray regime truck combination driving trace that directly draws, thereby measure the maximum amplitude of oscillation in straight-line travelling antero posterior axis center, turn to the passage breadth extreme, the liquid injection apparatus of truck combination driving trace parameters such as forward swing value, back pendulum value.
Background technology
Along with the national economy sustained and rapid development, road infrastructure and national road net constantly perfect, on a large scale, freight demand multiple batches of, high actual effect is vigorous day by day, road Freightage has obtained flourish, and road Freightage is that one of the precondition that national economy is well moved the performance fundamental role will guarantee transportation safety exactly.For this reason, GB1589 " road vehicle contour dimension, axle load and quality limit value ", GB7258 " motor vehicle security of operation technical conditions ", the exposure draft JT/TXX-XXXX of Ministry of Communications relevant criterion such as " goods stock safe operation technical requirements for money " have been done clear and definite limit value requirement to truck combination driving trace parameter.For example, truck combination and wheeled tractor transportation unit is on smooth, dry road surface during straight-line travelling, trailer rear shaft center is with respect to the full swing amplitude of tractor front axle center, should be to articulated train, passenger car train and mid-axle trailer train greater than 110mm, should be to other train greater than 220mm; During other motor vehicle straight-line travelling, the line at its antero posterior axis center should be consistent with the center line of driving trace.Therefore, motor vehicles being carried out the important content that the driving trace measurement is the detection of rolling stock safety index, is all motor vehicles manufacturing enterprises and use enterprise technical matters anxious to be solved and adopt simple, accurate pick-up unit to carry out the motor vehicles detection.
At present, adopt the method measuring vehicle driving trace parameter of on motor vehicles, arranging several GPS receivers usually, yet there is following shortcoming in this method:
1, measuring accuracy is not high.Existing method by GPS measured automobiles train driving trajectory parameters is the discrete velocity that receives according to GPS, obtains the driving trace of truck combination by the method for dead reckoning.Be subjected to the restriction of GPS precision and data speed, the measuring accuracy of this method is difficult to reach requirement.
2, this method need be arranged several high-precision GPS receivers on truck combination, and equipment manufacturing cost is higher.
Summary of the invention
Technical matters to be solved by this invention provides a kind of liquid injection apparatus that can be used for accurate measuring machine motor-car vehicle driving trace parameter.
Liquid injection apparatus of the present invention comprises liquid injecting-unit, wireless telecommunications control assembly and support installing component; Described liquid injecting-unit comprises that one is used for the airtight container and the water pump of splendid attire colour liquid, and described airtight container is connected with rising pipe and shower nozzle, and can spray colour liquid earthward under water pump drives, and forms the truck combination driving trace; Described wireless telecommunications control assembly is accepted the high frequency wireless instructions, starts or switches off the pump, and it comprises control circuit board, wireless receiving module and antenna; Described support installing component comprises support set collar, connecting link and magnetic chuck, and the support set collar is fixedly set on the airtight container, and described connecting link two ends are connected with support set collar, magnetic chuck by hinge respectively.
In order to make the present invention have more flexible, workability more easily, described support installing component can adopt the gimbals installing component, described connecting link is by the hinged folding rack of universal joint, so that apparatus of the present invention can be installed in positions such as the antero posterior axis, crossbeam, side, compartment of truck combination easily.
For the liquid injecting-unit more firmly is attracted on the car body, described support installing component can be provided with two cover connecting link and magnetic chucks, becomes 180 ° of both sides that are distributed in the liquid injecting-unit.
In addition, described liquid injecting-unit can also comprise shower nozzle fixed mount and guide pole, and guide pole is fixedlyed connected with described support set collar; Described shower nozzle is fixed on the shower nozzle fixed mount, and shower nozzle fixed mount and guide pole are slidingly connected, and can move up and down along guide pole, to regulate the distance of shower nozzle to ground.
Liquid injection apparatus of the present invention can be installed in behind the outside before the truck combination front axle mid point, rear axle mid point, tractor, the truck combination positions such as the outside easily, in use, this device is hung different parts such as the chassis that is fixed on oversize vehicle and trailer, vehicle body by magnetic chuck and folding rack, liquid ejects tiny water column automatically when vehicle ' braking or turning, and track draws on ground.Detect the driving trace that these water columns stay, and compare mutually, can obtain " sideslip " situation of this car.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described.
Fig. 1 apparatus of the present invention structural representation
This device installation site synoptic diagram when Fig. 2 measures the straight-line travelling antero posterior axis center maximum amplitude of oscillation
This device installation site synoptic diagram when Fig. 3 measurement turns to the passage breadth extreme
This device installation site synoptic diagram when Fig. 4 measures the forward swing value
This device installation site synoptic diagram when Fig. 5 measures back pendulum value
Among Fig. 1: 1. airtight container 2. support set collars 3. airtight container seats 4. control circuit boards 5. wireless receiving modules 6. antennas 7. water pumps 8. batteries 9. rising pipes 10. guide poles 11. shower nozzle fixed mounts 12. shower nozzles 13. connecting links 14. universal joints 15. magnetic chucks
Among Fig. 2, Fig. 3, Fig. 4 and Fig. 5:
Expression truck combination centre of gyration position;
Express liquid jetting system position
Embodiment:
As shown in Figure 1, described liquid injecting-unit comprises airtight container 1, water pump 7, rising pipe 9, shower nozzle 12, shower nozzle fixed mount 11 and guide pole 10, splendid attire colour liquid in the airtight container 1 sprays colour liquid earthward under water pump 7 drives, form the truck combination driving trace; Described wireless telecommunications control assembly comprises control circuit board 4, wireless receiving module 5 and antenna 6, to accept the high frequency wireless instructions, the action of control water pump; Described support installing component comprises support set collar 2, connecting link 13, universal joint 14 and magnetic chuck 15, two cover connecting links 13,15 one-tenth 180 ° of both sides that are distributed in airtight container 1 of universal joint 14 and magnetic chuck.Airtight container 1 is cylindrical, and magnetic chuck 15 is a flattened cylindrical shape, so that this device can be installed in positions such as the antero posterior axis, crossbeam, side, compartment of truck combination easily.
As shown in Figure 1, airtight container 1 is fixed in the airtight container seat 3.Support set collar 2 is fixed on the airtight container 1, the folding rack of connecting link 13 for being hinged by universal joint 14, and the support two ends link to each other with support set collar 2, magnetic chuck 15 by hinge respectively.Universal joint 14 can rotate around the axis of connecting link 13.Magnetic chuck 15 is adsorbed on truck combination crossbeam or the antero posterior axis.Control circuit board 4, wireless receiving module 5, antenna 6 are fixed on the airtight container seat 3, accept the instruction of main frame water spray, produce the drive signal of water pump 7.Battery 8 provides power supply to system.Rising pipe 9 is connected and fixed on the shower nozzle 12 on the shower nozzle fixed mount 11, and shower nozzle fixed mount 11 can move up and down on guide pole 10, to regulate the distance of shower nozzle 12 to ground.
As shown in Figure 2, need be installed in the rear shaft center of front axle center and the trailer or the trailer of tractor respectively with two these devices when measuring the maximum amplitude of oscillation in straight-line travelling antero posterior axis center, its installation site exists
Symbol signal place.The liquid of two jetting system ejection different colours, the track directly perceived of formation straight-line travelling antero posterior axis beat, the maximum beat value of measurement rear axle can obtain measured parameter.
As shown in Figure 3, measurement turns to the passage breadth extreme to be installed in the preceding outside of tractor and the back inboard of trailer respectively with two these devices, and its installation site exists
Symbol signal place.The liquid of two jetting system ejection different colours, when forming truck combination route being turned in accordance with regulations in the driving trace in the outside, measure its radially ultimate range, can obtain measured parameter.
As shown in Figure 4, measure the forward swing value and need be installed in the preceding outside of tractor with this device, its installation site exists
Symbol signal place.When truck combination when route is turned in accordance with regulations, the driving trace of the preceding points outside of this device ejection is measured its maximum lateral shift and can be obtained measured parameter.
As shown in Figure 5, measure back pendulum value and need be installed in the back outside of tractor with this device, its installation site exists
Symbol signal place.When truck combination when route is turned in accordance with regulations, this device ejection is the driving trace of points outside afterwards, measures its maximum lateral shift and can obtain measured parameter.
Claims (4)
1, a kind of liquid injection apparatus that is used for the measuring machine automobile running track parameter is characterized in that: comprise liquid injecting-unit, wireless telecommunications control assembly and support installing component; Described liquid injecting-unit comprises that one is used for the airtight container and the water pump of splendid attire colour liquid, and described airtight container is connected with rising pipe and shower nozzle, and can spray colour liquid earthward under water pump drives, and forms the truck combination driving trace; Described wireless telecommunications control assembly is accepted the high frequency wireless instructions, starts or switches off the pump, and it comprises control circuit board, wireless receiving module and antenna; Described support installing component comprises support set collar, connecting link and magnetic chuck, and the support set collar is fixedly set on the airtight container, and described connecting link two ends are connected with support set collar, magnetic chuck by hinge respectively.
2, the liquid injection apparatus that is used for the measuring machine automobile running track parameter according to claim 1 is characterized in that: described support installing component is the gimbals installing component, and described connecting link is by the hinged folding rack of universal joint.
3, the liquid injection apparatus that is used for the measuring machine automobile running track parameter according to claim 2 is characterized in that: described support installing component is equiped with two cover connecting link and magnetic chucks; This two covers connecting link becomes 180 ° of both sides that are distributed in the liquid injecting-unit with magnetic chuck.
4, according to claim 1, the 2 or 3 described liquid injection apparatus that are used for the measuring machine automobile running track parameter, it is characterized in that: the fixedly connected guide pole of described support set collar; One shower nozzle fixed mount and this guide pole are slidingly connected, and can move up and down along guide pole; Described shower nozzle is fixed on the shower nozzle fixed mount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102430742A CN101424591B (en) | 2008-11-28 | 2008-11-28 | Liquid jetting device for measuring automobile running track parameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102430742A CN101424591B (en) | 2008-11-28 | 2008-11-28 | Liquid jetting device for measuring automobile running track parameter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101424591A true CN101424591A (en) | 2009-05-06 |
| CN101424591B CN101424591B (en) | 2011-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102430742A Expired - Fee Related CN101424591B (en) | 2008-11-28 | 2008-11-28 | Liquid jetting device for measuring automobile running track parameter |
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| Country | Link |
|---|---|
| CN (1) | CN101424591B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613915A (en) * | 2013-11-01 | 2015-05-13 | 北汽福田汽车股份有限公司 | Measuring device and measuring method for measuring outer profile parameters of vehicles |
| CN104819697A (en) * | 2015-05-14 | 2015-08-05 | 北京汽车研究总院有限公司 | Device for measuring traveling track of vehicle |
| CN104897418A (en) * | 2015-07-01 | 2015-09-09 | 北京汽车研究总院有限公司 | Device for drawing simulated wheel traveling track |
| CN106525459A (en) * | 2016-12-22 | 2017-03-22 | 广汽本田汽车有限公司 | Water-spraying type vehicle deviation detector and detection method |
| CN107421490A (en) * | 2017-06-13 | 2017-12-01 | 北京新能源汽车股份有限公司 | Auxiliary device for measuring turning radius of automobile |
| CN116907867A (en) * | 2023-06-21 | 2023-10-20 | 中汽研汽车检验中心(武汉)有限公司 | Device for measuring right-angle turning trafficability |
-
2008
- 2008-11-28 CN CN2008102430742A patent/CN101424591B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613915A (en) * | 2013-11-01 | 2015-05-13 | 北汽福田汽车股份有限公司 | Measuring device and measuring method for measuring outer profile parameters of vehicles |
| CN104613915B (en) * | 2013-11-01 | 2017-10-13 | 北汽福田汽车股份有限公司 | Measurement apparatus, the measuring method of the outline parameter of automobile |
| CN104819697A (en) * | 2015-05-14 | 2015-08-05 | 北京汽车研究总院有限公司 | Device for measuring traveling track of vehicle |
| CN104819697B (en) * | 2015-05-14 | 2018-03-30 | 北京汽车研究总院有限公司 | A kind of vehicle driving trace measurement apparatus |
| CN104897418A (en) * | 2015-07-01 | 2015-09-09 | 北京汽车研究总院有限公司 | Device for drawing simulated wheel traveling track |
| CN106525459A (en) * | 2016-12-22 | 2017-03-22 | 广汽本田汽车有限公司 | Water-spraying type vehicle deviation detector and detection method |
| CN107421490A (en) * | 2017-06-13 | 2017-12-01 | 北京新能源汽车股份有限公司 | Auxiliary device for measuring turning radius of automobile |
| CN116907867A (en) * | 2023-06-21 | 2023-10-20 | 中汽研汽车检验中心(武汉)有限公司 | Device for measuring right-angle turning trafficability |
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| Publication number | Publication date |
|---|---|
| CN101424591B (en) | 2011-01-12 |
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