CN203530824U - Portable pavement smoothness laser detector with three-meter straight rule - Google Patents
Portable pavement smoothness laser detector with three-meter straight rule Download PDFInfo
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- CN203530824U CN203530824U CN201320619614.9U CN201320619614U CN203530824U CN 203530824 U CN203530824 U CN 203530824U CN 201320619614 U CN201320619614 U CN 201320619614U CN 203530824 U CN203530824 U CN 203530824U
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- meters
- chip microcomputer
- laser
- rulers
- copper sheet
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Abstract
The utility model discloses a portable pavement smoothness laser detector with a three-meter straight rule. The portable pavement smoothness laser detector with the three-meter straight rule is characterized in that the two ends of the three-meter straight rule are connected to a handle through a sheet support, the two ends of the bottom of the three-meter straight rule are provided with contact switches, sliding rails are arranged at the bottom of the three-meter straight rule, and sliding units moving along the sliding rails are arranged on the sling rails; a power source is also arranged on the three-meter straight rule, an encoder for measuring corners of gears is arranged on a rotating shaft of a motor, the power source is connected to a single chip microcomputer, the encoder is connected to the input end of the single chip microcomputer, a laser ranging sensor is connected to a first contact copper sheet of each contact switch, a second contact copper sheet of each contact switch is connected to the input end of the single chip microcomputer, and the output end of the single chip microcomputer is connected to the motor through a motor control circuit and is also connected to a computer through a computer interface. The portable pavement smoothness laser detector integrates light, power and the computer, is convenient to carry and simple to operate and has the high detection accuracy.
Description
Technical field
The utility model relates to highway flatness detector device, is specifically related to a kind of portable three meters of ruler laser pavement evenness testing apparatus.
Background technology
Highway in China construction is developed fast, it is diversified that detection technique becomes, surface evenness is one of important indicator in highway engineering, the safety of Vehicle Driving Cycle, comfortableness and operating cost etc. are had to direct impact, in highway engineering quality and maintenance quality evaluation, also occupy very important status, therefore, to highroad pavement planeness index carry out efficiently, control accurately, detecting and assessing, become for a long time the problem that highway industry is extremely paid close attention to and studied.The method detecting at present mainly contains three meters of rulers, continous way smoothness measuring equipment and the accumulating instrument etc. that jolts, raising along with technology, there are some new detection techniques to produce, such as vehicle-mounted laser detector, ultrasound examination etc., but testing cost is high, on passing road not, detection difficulty is large, and the controllability that meets testing conditions is lower.
It is that the specific ruler of three meters long is put on road surface that three meters of ruler planeness detect, maximum spacing between range estimation road surface and ruler, clearance gauge amount spacing is evaluated the planeness situation on road surface, but because artificial range estimation error is very large, and it is pretty troublesome to measure maximum spacing, and detection speed is slow.
Continous way smoothness measuring equipment is the conventional detector that current highway detects use, this instrument detects by the mode of a mean square deviation index providing, and in testing process, owing to detecting, jolting appears in the motion of wheel or the non-constant error that occurs testing result of measuring speed.
The accumulating instrument that jolts is the planeness on automobile bumpiness situation reflection road surface of walking on highway by inspection vehicle, and this method of testing is because inspection vehicle detects, and testing cost is relatively high, and impassable section detection can be restricted for the on-highway motor vehicle having.
Summary of the invention
The deficiency existing for prior art, the purpose of this utility model is, a kind of portable three meters of ruler laser pavement evenness testing apparatus are provided.The key of this invention is that detection ruler is still on road surface, can set the speed of sliding unit, adopts laser range sensor, makes the planeness situation that can control the speed of sliding unit in testing process and detect accurately road surface.Can detect the Special Road that high-grade highway, airport roadway and existing roughness detection equipments cannot detect.
In order to realize above-mentioned task, the utility model adopts following technical scheme to be achieved:
A kind of portable three meters of ruler laser pavement evenness testing apparatus, comprise three meters of rulers and laser range sensor, the two ends of three meters of described rulers are connected with handle by sheet stent, the two ends of three meters of ruler bottoms are respectively arranged with contact switch, three meters of ruler bottoms are provided with slide rail, and the sliding unit moving along slide rail is installed on slide rail;
Described contact switch comprises the support bar contacting with road surface, is provided with spring on support bar, and the end of spring is provided with the first contact copper sheet, and the second contact copper sheet being arranged on three meters of rulers coordinates formation switch with the first contact copper sheet;
Described sliding unit comprises motor, in the rotating shaft of motor, gear is installed, and gear coordinates drive sliding unit to move on slide rail with slide rail, and sliding unit bottom is also provided with laser range sensor;
On three meters of rulers, power supply is also installed, encoder for prototype gear corner is installed in the rotating shaft of motor, power supply is connected with single-chip microcomputer, encoder is connected with the input of single-chip microcomputer, laser range sensor is connected with the first contact copper sheet of contact switch, the second contact copper sheet of contact switch is connected with the input of single-chip microcomputer, and the output of single-chip microcomputer is connected with motor by electromotor control circuit, and the output of single-chip microcomputer is also connected with computer by computer interface.
The utility model also has following technical characterictic:
Described laser range sensor adopts ZLDS10X laser displacement sensor.
Described single-chip microcomputer adopts AT89C2051 single-chip microcomputer.
Described sheet stent is adopted and is formed from aluminium.
Described handle is adopted made of plastic.
The utility model compared with prior art, has following technological merit:
Detector of the present utility model is light small and exquisite, and accuracy of detection is high, can detect accurately according to the testing conditions of setting.This instrument can detect surface evenness accurately, easy to carry, simple to operate.This laser pavement evenness testing apparatus compared with the existing, has cost low, and the feature that testing cost is low and accuracy of detection is high can detect the Special Road that high-grade highway, airport roadway and existing roughness detection equipments cannot detect.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is three meters of ruler internal construction schematic diagrames.
Fig. 3 is the annexation schematic diagram of control section of the present utility model.
In figure, the implication of each label is: tri-meters of rulers of 1-, 2-sheet stent, 3-handle, 4-contact switch, 5-slide rail, 6-sliding unit, 7-power supply, 8-single-chip microcomputer, 9-computer interface, 10-computer, 11-electromotor control circuit, 12-encoder, 41-support bar, 42-spring, 43-the first contact copper sheet, 44-the second contact copper sheet, 61-motor, 62-gear, 63-laser range sensor.
Below in conjunction with drawings and Examples, particular content of the present utility model is described in more detail.
The specific embodiment
Below provide specific embodiment of the utility model, it should be noted that the utility model is not limited to following specific embodiment, all equivalents of doing on present techniques scheme basis all fall into protection domain of the present utility model.
Defer to technique scheme, as shown in Figure 1 to Figure 3, the present embodiment provides a kind of portable three meters of ruler laser pavement evenness testing apparatus, comprise three meters of rulers 1 and laser range sensor 63, the two ends of three meters of described rulers 1 are connected with handle 3 by sheet stent 2, the two ends of three meters of ruler 1 bottoms are respectively arranged with 4, three meters of ruler 1 bottoms of contact switch and are provided with slide rail 5, and the sliding unit 6 moving along slide rail 5 is installed on slide rail 5;
Described contact switch 4 comprises the support bar 41 contacting with road surface, is provided with spring 42 on support bar 41, and the end of spring 42 is provided with the first contact copper sheet 43, and the second contact copper sheet 44 being arranged on three meters of rulers 1 coordinates formation switch with the first contact copper sheet 43;
Described sliding unit 6 comprises motor 61, and gear 62 is installed in the rotating shaft of motor 61, and gear 62 coordinates drive sliding unit 6 to move on slide rail 5 with slide rail 5, and sliding unit 6 bottoms are also provided with laser range sensor 63;
On three meters of rulers 1, power supply 7 is also installed, encoder 12 for prototype gear 62 corners is installed in the rotating shaft of motor 61, power supply 7 is connected with single-chip microcomputer 8, encoder 12 is connected with the input of single-chip microcomputer 8, laser range sensor 63 is connected with the first contact copper sheet 43 of contact switch 4, the second contact copper sheet 44 of contact switch 4 is connected with the input of single-chip microcomputer 8, the output of single-chip microcomputer 8 is connected with motor 61 by electromotor control circuit 11, and the output of single-chip microcomputer 8 is connected with computer 10 by computer interface 9.
Single-chip microcomputer 8 adopts AT89C2051 single-chip microcomputer.AT89C2051 is a low-voltage with 2K byte flash programmable and erasable read-only storage (EEPROM), 8 CMOS microprocessors of high-performance.It adopts the manufacture of highly dense non-volatile memory technology and industrial standard MCS-51 instruction set and the pin configuration compatibility of ATMEL.By combine general CPLI and flash memory on monolithic chip, the AT89C2051 of ATMEL is a powerful microprocessor, and it provides certain altitude flexibly and the low solution of cost to many embedded Control application.AT89C2051 provides following standard feature: 2K byte flash memory, 128 byte RAM, 15 I/O mouths, two 16 bit timing devices, five vectorial two-stage interrupt structures, a full duplex serial port, an accurate analog comparator and two kinds of optional software power saving operation modes.Free time side stops CPU work but allows RAM, timer/counter, work in series mouth and interrupt system to work on.Power-down mode preserves RAM content but oscillator quits work and forbid having the work of other parts to next hardware reset.The FLASH EPROM of the 2K of Embedded, has all characteristics of MCS51 series monolithic, and it has very high cost performance.
The supply essence source RF-310-11360RF-310 DC micro-motor that motor 61 is adjustable speed.
The course of work of the present utility model is as described below:
During the utility model work, whole system electric energy is provided by power supply 7, when three meters of rulers 1 are placed on road surface, hold handle 3 firmly toward pressing down, now due to pressure-acting, the spring 42 of switch contacts 4 inside of kiss the earth shrinks, the first contact copper sheet 43 contacts with the second contact copper sheet 44, detection ruler starts the work of switching on power, the speed that sliding unit 6 starts to set slippage on slide rail 5, in sliding unit 6 inside, there is a motor 61, motor 61 is connected by gear 62 with slide rail 5, encoder 12 is installed on gear 62, the major function of this encoder 12 is to single-chip microcomputer 8 input signals when sliding unit 6 slides into three meters of ruler 1 ends, single-chip microcomputer 8 is controlled sliding unit 6 and is returned to three meters of ruler 1 other ends, prepare to detect next time, there is laser range sensor 63 sliding unit inside, this sensor major function is the spacing of measuring between road surface to three meter ruler 1, the data of measuring couple together by data wire and computer from computer interface 9 by single-chip microcomputer, by the distance input between road surface to three meter ruler 1 in computer.
Claims (5)
1. portable three meters of ruler laser pavement evenness testing apparatus, comprise three meters of rulers (1) and laser range sensor (63), it is characterized in that, the two ends of described three meters of rulers (1) are connected with handle (3) by sheet stent (2), the two ends of three meters of rulers (1) bottom are respectively arranged with contact switch (4), three meters of rulers (1) bottom is provided with slide rail (5), is provided with along the sliding unit (6) of slide rail (5) motion on slide rail (5);
Described contact switch (4) comprises the support bar (41) contacting with road surface, on support bar (41), be provided with spring (42), the end of spring (42) is provided with the first contact copper sheet (43), and the second contact copper sheet (44) being arranged on three meters of rulers (1) coordinates formation switch with the first contact copper sheet (43);
Described sliding unit (6) comprises motor (61), gear (62) is installed in the rotating shaft of motor (61), gear (62) coordinates drive sliding unit (6) in the upper motion of slide rail (5) with slide rail (5), sliding unit (6) bottom is also provided with laser range sensor (63);
Power supply (7) is also installed on three meters of rulers (1), encoder (12) for prototype gear (62) corner is installed in the rotating shaft of motor (61), power supply (7) is connected with single-chip microcomputer (8), encoder (12) is connected with the input of single-chip microcomputer (8), laser range sensor (63) is connected with the first contact copper sheet (43) of contact switch (4), the second contact copper sheet (44) of contact switch (4) is connected with the input of single-chip microcomputer (8), the output of single-chip microcomputer (8) is connected with motor (61) by electromotor control circuit (11), the output of single-chip microcomputer (8) is connected with computer (10) by computer interface (9).
2. portable three meters of ruler laser pavement evenness testing apparatus as claimed in claim 1, is characterized in that, described laser range sensor (63) adopts ZLDS10X laser displacement sensor.
3. portable three meters of ruler laser pavement evenness testing apparatus as claimed in claim 1, is characterized in that, described single-chip microcomputer (8) adopts AT89C2051 single-chip microcomputer.
4. portable three meters of ruler laser pavement evenness testing apparatus as claimed in claim 1, is characterized in that, described sheet stent (2) is adopted and is formed from aluminium.
5. portable three meters of ruler laser pavement evenness testing apparatus as claimed in claim 1, is characterized in that, described handle (3) is adopted made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320619614.9U CN203530824U (en) | 2013-09-30 | 2013-09-30 | Portable pavement smoothness laser detector with three-meter straight rule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320619614.9U CN203530824U (en) | 2013-09-30 | 2013-09-30 | Portable pavement smoothness laser detector with three-meter straight rule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203530824U true CN203530824U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320619614.9U Expired - Fee Related CN203530824U (en) | 2013-09-30 | 2013-09-30 | Portable pavement smoothness laser detector with three-meter straight rule |
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| CN (1) | CN203530824U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452555A (en) * | 2014-10-27 | 2015-03-25 | 河南省高远公路养护技术有限公司 | Synchronous acquisition system and method of pavement disease detecting high-precision signals |
| CN104594168A (en) * | 2015-01-27 | 2015-05-06 | 中交国通公路工程技术有限公司 | Road surface roughness measurement device and measurement method |
| CN106197329A (en) * | 2016-06-28 | 2016-12-07 | 黑龙江省木材科学研究所 | A kind of motion ground flatness detecting device, detecting system and detection method |
-
2013
- 2013-09-30 CN CN201320619614.9U patent/CN203530824U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452555A (en) * | 2014-10-27 | 2015-03-25 | 河南省高远公路养护技术有限公司 | Synchronous acquisition system and method of pavement disease detecting high-precision signals |
| CN104594168A (en) * | 2015-01-27 | 2015-05-06 | 中交国通公路工程技术有限公司 | Road surface roughness measurement device and measurement method |
| CN106197329A (en) * | 2016-06-28 | 2016-12-07 | 黑龙江省木材科学研究所 | A kind of motion ground flatness detecting device, detecting system and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20160930 |