CN101685005A - Machine for measuring outline dimension of vehicle - Google Patents
Machine for measuring outline dimension of vehicle Download PDFInfo
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- CN101685005A CN101685005A CN200810211707A CN200810211707A CN101685005A CN 101685005 A CN101685005 A CN 101685005A CN 200810211707 A CN200810211707 A CN 200810211707A CN 200810211707 A CN200810211707 A CN 200810211707A CN 101685005 A CN101685005 A CN 101685005A
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Abstract
The invention discloses a device for detecting three-dimensional dimensions of a vehicle, which has the advantages of accurate measurement and high measurement efficiency. The device comprises symmetric portal frames, a control circuit and an operation panel, wherein an vehicle frame (3) which can drive the frames to move and a track (4) which is matched with a wheel (5) are arranged at the lowerend of each of the frames; especially, a length measuring device for measuring the length of the vehicle and a height measuring device for measuring the height of the vehicle are arranged on an upright post (1) of each of the frames, and a width measuring device for measuring the width of the vehicle is arranged on a transverse beam (2) of each of the frames; and the control circuit and the operation panel are connected with each measuring device. The invention has high measurement accuracy and high measurement speed, and can quickly complete the measurement of the three-dimensional dimensionsof the vehicle.
Description
Technical field:
The present invention relates to a kind of measurement mechanism, specifically is the machine for measuring outline dimension of vehicle that the three-dimensional dimension of the motor vehicle of large-size is measured fast.
Background technology:
In recent years, the overload of the vehicle overload of traffic transport industry has a strong impact on national wealth and public's life security, and private dress is private to change the main cause that the vehicle dimension overrun and overload is not only road traffic accident, and road is also caused serious damage.For overloading from the watershed management vehicle overload, country has formally implemented " road vehicle contour dimension, axle load and quality limit value " compulsory standard (GB1589-2004) in October, 2004, " commerial vehicle combination property require and detection method " (GB18562-2001) car load reorganized and outfit and required in the test item automobile dimension parameter is detected, the structure of vehicle must not be transformed arbitrarily, and the detection of whole vehicle dimensional parameters is one of important content of safety in operation detection.But in specific implementation process, China automobile management mechanism still uses more original technological means such as steel tape, bevel protractor and mark post to carry out hand dipping at present, labour intensity is big, efficient is low, not only be prone to personal error, particularly along with the significantly increase of volume of transport, inefficient detection mode even can cause the check-point point to become one of serious reason of stopping up of road.Therefore study the pick-up unit of motor vehicles profile size fast and efficiently,, improve traffic safety and have very important significance the safety management of road traffic.
Summary of the invention:
Goal of the invention of the present invention is to disclose a kind of pick-up unit accurate, high-level efficiency measuring vehicle three-dimensional dimension of measuring.
Realize that technical solution of the present invention is as follows: the gantry type frame, control circuit and the guidance panel that comprise symmetrical expression, there are vehicle frame 3 that can drive the framework displacement and the track 4 that matches with wheel 5 in the framework lower end, key is to be provided with measuring vehicle length and length-measuring appliance and height measuring device highly on the column 1 of framework, but the crossbeam 2 of framework is provided with the width of measuring device of measuring vehicle width, and control circuit is connected with each measurement mechanism with guidance panel.
Described vehicle frame 3 has a vehicle frame plate, and the vehicle frame plate is provided with axle bracket 6, and axle bracket 6 is provided with four wheels 5, and vehicle frame plate lower surface is provided with synchronous motor 7, and synchronous motor 7 is connected with an adhesion wheel, and all the other wheels are engaged wheel.
Described length-measuring appliance is the optoelectronic switch light curtain 8 that is provided with vertical setting in a column 1 one sides, and the correspondence position of another column 1 is provided with the photoelectricity sensing device.
Described height measuring device is to be provided with drive motor 9 on the vehicle frame plate of column 1 lower end, column 1 top is provided with column belt wheel 10, be provided with belt 11 between driving pulley on 9 of the drive motor and the column belt wheel 10, belt 11 is provided with signal generating device 12, and the respective heights position of the belt 11 on another column 1 is provided with signal perception device 13.
Described width of measuring device is that a pair of active-engaged wheel is set on crossbeam 2, and the belt of driving wheel and engaged wheel is provided with laser range finder 14.
Described crossbeam 2 centre positions are provided with a ultrasonic sensor 15.
Described column 1 and/or crossbeam 2 are provided with linear slide rail 16, belt 11 is connected with a plate 17, web joint 17 is provided with a chute that matches with slide rail or a slide block, and web joint 17 is provided with the signal perception generator 12 of photoemission and perception device or laser range finder or ultrasonic generator performance.
The vehicle frame plate of described vehicle frame 3 has ultrasonic ranging sensor 19.
The fully comprehensive existing measuring technique of the machine for measuring outline dimension of vehicle that the present invention provides, requirement in conjunction with measurement and traffic administration is designed the measuring accuracy height, is measured self-operated measuring unit fast, and the vehicle driver need not go out the measurement that vehicle jogging-parking-wait just can be finished three-dimensional dimension fast.The efficiency of management that efficiently greatly improved of the present invention also can be carried out network management with other database of vehicle management department, further improves or expand the work efficiency of administrative authority, improves the supervision to vehicle, and then improves the security of road.
Description of drawings:
Fig. 1 is the positive TV structure cut-open view of one embodiment of the present of invention.
Fig. 2 is a side-looking structural representation embodiment illustrated in fig. 1.
Fig. 3 is the A part structure for amplifying synoptic diagram among Fig. 1.
Fig. 4 is the B part structure for amplifying synoptic diagram among Fig. 1.
Fig. 5 is the C part structure for amplifying synoptic diagram among Fig. 1.
Fig. 6 is the E part structure for amplifying synoptic diagram among Fig. 2.
Fig. 7 is the F part structure for amplifying synoptic diagram among Fig. 2.
Embodiment:
See also Fig. 1～Fig. 7, specific embodiments of the invention are as follows: the gantry type frame that comprises symmetrical expression, control circuit and guidance panel, above-mentioned control circuit is selecting for use of prior art, to reach functions such as control assembly motion and signal transmission, guidance panel is so that operation and signal data demonstration can also be the content of prior art, the framework bottom also is provided with vehicle frame 3 that can drive the framework displacement and the track 4 that matches with wheel 5, its key is to be provided with measuring vehicle length and length-measuring appliance and height measuring device highly on the column 1 of framework, but the crossbeam 2 of framework is provided with the width of measuring device of measuring vehicle width, and control circuit is connected with each measurement mechanism with guidance panel; Along with the displacement of gantry type frame, the measurement mechanism of three directions of length is accurately measured the three-dimensional dimension of vehicle to be measured, and compares with already present corresponding model data, but whether vehicle that instant playback is surveyed is refitted car or repacking value.
Above-mentioned vehicle frame 3 has a vehicle frame plate, and the vehicle frame plate is provided with axle bracket 6, and axle bracket 6 is provided with four wheels 5, and vehicle frame plate lower surface is provided with synchronous motor 7, and synchronous motor 7 is connected with an adhesion wheel, and all the other wheels are engaged wheel; Have only one to be driving wheel in above-mentioned four wheels 5, synchronous motor 7 is by toothed synchronous band and driving wheel engagement, also toothed synchronous band of driving wheel and track 4 and engagement advance and retreat, left and right sides vehicle frame 3 under the framework respectively has a driving wheel, can be accomplished whole precise displacement, synchro control and the synchro-feed of framework by the synchronous machine drives vehicle frame of two vehicle frames 3 of control circuit driving.
Above-mentioned length-measuring appliance is the optoelectronic switch light curtain 8 that is provided with vertical setting in a column 1 one sides, and the correspondence position of another column 1 is provided with the photoelectricity sensing device; During measurement, stationary vehicle to be measured is motionless, according to optoelectronic switch light curtain 8 by and conducted signal and/or the step number that synchronous motor 7 is gone on foot calculated, then can draw the length of vehicle to be measured, when measuring vehicle length, also can be simultaneously whether be blocked by vehicle to be measured and measure spacing between the axletree according to optoelectronic switch light curtain 8.
Above-mentioned height measuring device is to be provided with drive motor 9 on the vehicle frame plate of column 1 lower end, column 1 top is provided with column belt wheel 10, be provided with belt 11 between driving pulley on 9 of the drive motor and the column belt wheel 10, belt 11 is provided with signal generating device 12, and the respective heights position of the belt 11 on another column 1 is provided with signal perception device 13; The drive motor 9 of the left and right pillar 1 of above-mentioned framework all is connected with control circuit, the running of synchro control drive motor 9, signal generating device 12 can be laser generator or ultrasonic generator or general photocurrent generator, 13 corresponding of signal perception devices are laser, ultrasound wave perception device or photoelectricity perception device, by pumping synchronously of drive motor 9 drive signal generator spares 12 and signal perception device 13.Above-mentioned correlation height measuring device can obtain the peak of automobile, along in 4 while of the track motion process, can measure the height of the diverse location of vehicle at framework, promptly records the height profile of vehicle.
Described width of measuring device is that a pair of active and engaged wheel are set on crossbeam 2, the belt of driving wheel and engaged wheel is provided with laser range finder 14, the distance that laser range finder 14 records crossbeam 2 and ground is a certain value, can be set at the output high level, other position that is above the ground level of the vehicle that records is laser range finder 14 output low levels then, transverse movement by laser range finder 14, then can record the width of vehicle both sides, then can record the width profile of the two dimension of vehicle again by the operation of vehicle or gantry frame.For further improving measuring accuracy, above-mentioned belt is the synchronous band with fixed teeth distance, drive the stepper motor of driving wheel and band engagement synchronously,, obtain the higher vehicular sideview profile traces of degree of accuracy by the running step number of stepper motor being counted the judgement with rotation direction.Described crossbeam 2 centre positions are provided with a ultrasonic sensor 15, and the distance that it can measure compartment bottom further obtains the more data contrast, as the degree of depth in the boxcar etc.
For further improving measured vehicle three-D profile precision, then should guarantee the robust motion of the survey sensor on column 1 and/or the crossbeam 2, can on column 1 and/or crossbeam 2, be provided with linear slide rail 16, belt 11 is connected with a plate 17, web joint 17 is provided with chute or the slide block 18 that matches with slide rail 16, web joint 17 is provided with photoemission and perceptron or laser range finder or ultrasonic generator, and the vibration that produces when gantry frame moves etc. can not cause sensing device that big vibration displacement is arranged like this.
In actual measurement, vehicle stationary is motionless, angle excursion certainly exists during parking of automobile, be 12 meters lorry as calculated for the vehicle commander, it is 44cm that 1 ° angle of deviation will cause the measuring error of overall width, and this is well beyond the requirement of measuring accuracy, and general traditional mechanical pendulum correction method does not all reach requirement, allow the driver ajust vehicle repeatedly and then waste a large amount of time, and also can't eliminate the existence of angle of deviation.Therefore, vehicle frame plate at vehicle frame 3 has ultrasonic ranging sensor 19, in the gantry frame operational process, can measure axle that sampling obtains being correlated with and the distance values between the ultrasonic ranging sensor to first wheel of vehicle and second wheel, length direction and the angle between the guide rail direction (being the parking angle of deviation) of supposing vehicle are α, by two distance between axles and the distance values of the axle of measuring gained with ultrasonic ranging sensor 19, obtain the vehicle skew angle, then can revise, obtain more accurate measurement measured vehicle width or length value.
During use, gantry frame is a width, highly is 4 meters framework, and its length feed length is 20 meters, and step motor drive gantry frame vehicle frame moves along track 4.The synchronized movement of gantry frame directly has influence on the validity of each measurement mechanism acquired signal of control system, for guaranteeing the synchronism of gantry frame motion, each vehicle frame 3 of gantry frame has only a driving wheel (three engaged wheels are arranged in addition), and is driven by being with synchronously by stepper motor.The surface of track 4 is provided with synchronous band, forms synchronous guide rail, and the driving wheel of vehicle frame 3 also is a synchronous pulley, and the synchronous band engagement of driving wheel and track 4 is advanced, and can effectively prevent sliding stop.The stepper motor that drives two vehicle frames 3 is promptly controlled by same program by same Single-chip Controlling, accomplishes synchro control, synchro-feed.Control system is made up of a host computer and four single-chip microcomputers, constitute dcs, communicate by serial ports RS485 between host computer and the slave computer (single-chip microcomputer), its host computer is an industrial control computer, mainly finish work such as data communication, data processing, data base administration, data output, slave computer adopts four P89C58X2 single-chip microcomputers respectively to length, width, highly implement signals collecting, measurement mechanism motion control, step-by-step counting, realizes real-time control, data acquisition and transmission in the measuring process.Photoelectric measuring device is to the vehicle ' s contour spotting scaming during detection, length direction adopts safe light curtain, Width adopts laser range sensor, short transverse adopts laser correlation optoelectronic switch, realize the three-D profile spotting scaming of three directions, also adopt the ultrasonic ranging sensor simultaneously with the measurement of realization wheelspan and the measurement of parking angle excursion.Measurement mechanism disclosed in this invention is a core with the photoelectric tracking technology, can carry out three-D profile to vehicle and carry out the integral body measurement, measuring process is simple, not only measuring accuracy height and surveying work efficient are high, alleviate staff's labour intensity, can not cause the phenomenons such as road congestion that cause because of vehicle inspection.Through experiment, the test result of system has reached the requirement of accuracy of detection, for vehicle management department inspection size overrun vehicle provides a kind of novel measurement mechanism.
Claims (8)
1. machine for measuring outline dimension of vehicle, the gantry type frame, control circuit and the guidance panel that comprise symmetrical expression, there are vehicle frame (3) that can drive the framework displacement and the track (4) that matches with wheel (5) in the framework lower end, it is characterized in that being provided with on the column (1) at framework measuring vehicle length and length-measuring appliance and height measuring device highly, the crossbeam of framework (2) but be provided with the width of measuring device of measuring vehicle width, control circuit is connected with each measurement mechanism with guidance panel.
2. by the described machine for measuring outline dimension of vehicle of claim 1, it is characterized in that described vehicle frame (3) has a vehicle frame plate, the vehicle frame plate is provided with axle bracket (6), axle bracket (6) is provided with four wheels (5), vehicle frame plate lower surface is provided with synchronous motor (7), synchronous motor (7) is connected with an adhesion wheel, and all the other wheels are engaged wheel.
3. by claim 1 or 2 described machine for measuring outline dimension of vehicle, it is characterized in that described length-measuring appliance is the optoelectronic switch light curtain (8) that is provided with vertical setting in a column (1) one side, the correspondence position of another column (1) is provided with the photoelectricity sensing device.
4. by the described machine for measuring outline dimension of vehicle of claim 3, it is characterized in that described height measuring device is to be provided with drive motor (9) on the vehicle frame plate of column (1) lower end, column (1) top is provided with column belt wheel (10), be provided with belt (11) between driving pulley on drive motor (9) axle and the column belt wheel (10), belt (11) is provided with signal generating device (12), and the respective heights position of the belt (11) on another column (1) is provided with signal perception device (13).
5. by the described machine for measuring outline dimension of vehicle of claim 4, it is characterized in that described width of measuring device is on crossbeam (2) a pair of active-engaged wheel to be set, the belt of driving wheel and engaged wheel is provided with laser range finder (14).
6. by the described machine for measuring outline dimension of vehicle of claim 5, it is characterized in that described crossbeam (2) centre position is provided with a ultrasonic sensor (15).
7. by claim 4 or 5 or 6 described machine for measuring outline dimension of vehicle, it is characterized in that described column (1) and/or crossbeam (2) are provided with linear slide rail (16), belt (11) is connected with a plate (17), web joint (17) is provided with a chute that matches with slide rail or slide block (18), and web joint (17) is provided with the signal perception generator (12) of photoemission and perception device or laser range finder or ultrasonic generator performance.
8. by the described machine for measuring outline dimension of vehicle of claim 7, it is characterized in that the vehicle frame plate of described vehicle frame (3) has ultrasonic ranging sensor (19).
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| CN2008102117071A CN101685005B (en) | 2008-09-23 | 2008-09-23 | Machine for measuring outline dimension of vehicle |
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| CN2008102117071A CN101685005B (en) | 2008-09-23 | 2008-09-23 | Machine for measuring outline dimension of vehicle |
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| CN101685005B CN101685005B (en) | 2011-08-10 |
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| WO2011029339A1 (en) * | 2009-09-11 | 2011-03-17 | 长春轨道客车股份有限公司 | Movable measuring apparatus for external contour precision of vehicle body |
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