CN111705605A - Road surface flatness detection device - Google Patents
Road surface flatness detection device Download PDFInfo
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- CN111705605A CN111705605A CN202010645583.9A CN202010645583A CN111705605A CN 111705605 A CN111705605 A CN 111705605A CN 202010645583 A CN202010645583 A CN 202010645583A CN 111705605 A CN111705605 A CN 111705605A
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- sliding
- detection
- guide rail
- rheostat
- rod
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
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- Engineering & Computer Science (AREA)
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention provides a road flatness detection device, which comprises a guide rail and a detection mechanism matched with the guide rail, wherein the detection mechanism adopts a sliding changer principle to realize the detection of the road flatness. One side of the guide rail is provided with a C-shaped groove, and the detection mechanism is connected with the C-shaped groove of the guide rail in a sliding manner through a connecting piece. The detection mechanism comprises a shell, and a sleeve, a sliding rod, a sliding rheostat, a fork rod and a sliding wheel which are arranged in the shell. The invention has simple structure, strong practicability, simple operation, convenient carrying and high use flexibility, greatly reduces the influence of artificial subjectivity, improves the detection efficiency and the detection precision, and is simultaneously suitable for the processes of construction, detection, maintenance and the like of various pavements; the invention uses the sliding sheet of the slide rheostat to slide, thereby changing the resistance of the slide rheostat, and uses the sliding sheet of the slide rheostat to slide, thereby causing the change of voltage and current, thereby realizing the detection of the flatness of the road surface.
Description
Technical Field
The invention relates to the technical field of detection equipment, in particular to a road surface flatness detection device.
Background
The flatness detection of the roadbed and pavement engineering is to detect the deviation value of the longitudinal concave-convex amount of the road surface, and according to the existing highway quality inspection regulation, the flatness index is one of the important indexes accepted by the roadbed and pavement engineering and has direct influence on the dynamic characteristics of vehicles, the driving quality, the service life of highways and the like.
In the road surface flatness detection, the detection method is more, and according to the detection principle, the road surface flatness detection technology can be generally divided into a section type and a reaction type, and the detection technologies adopted by different equipment are different.
The detection is carried out by a 3m ruler, a continuous flatness meter, a vehicle-mounted bump accumulation meter, a vehicle-mounted laser and the like. In addition, there are a hand-push type high-precision profiler, a hand-push type laser detection device, a road flatness detection device or method based on a sub-pixel vision or image moire method, and the like.
The 3m ruler method is simple to operate, the measuring tool is convenient to carry, and the method is widely applied in China, but the method is greatly influenced by human subjectivity, the measuring result precision is low, the measuring efficiency is low, and time and labor are wasted.
The continuous flatness meter detection method can reflect real sections, is high in precision, light and multifunctional, but is relatively complex in operation procedure, so that the detection efficiency is low, and the method is generally only suitable for the condition that the road surface is seriously damaged.
The vehicle-mounted bump accumulation instrument has the advantages of continuous testing and high efficiency, but the calibration is difficult. The vehicle-mounted laser leveling instrument has the advantages of high speed, high precision, strong function and automation, but the road surface cleanliness can influence the detection result to a certain extent, and the detection of rainy days or water-containing road surfaces can be limited to a certain extent.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a road surface flatness detection device.
The technical scheme of the invention is as follows: a road flatness detection device comprises a guide rail and a detection mechanism matched with the guide rail, wherein the detection mechanism adopts a sliding changer principle to realize the detection of the road flatness;
the detection mechanism comprises a shell, and a sleeve, a sliding rod, a sliding rheostat, a fork rod and a sliding wheel which are arranged in the shell, wherein the sliding rod is arranged in the sleeve through a fixed sheet and a sliding sheet;
one side of the sliding sheet is connected with a metal rod of the sliding rheostat in a sliding mode through a connecting sheet, and the sliding rheostat is connected with the power supply and the detection module.
Preferably, the positive pole of the power supply is connected with the sliding sheet of the connecting sheet, the negative pole of the power supply is connected with the upper end of the sliding rheostat, a voltage dividing resistor is further connected between the negative pole of the power supply and the sliding rheostat, and the sliding rheostat is further connected with the voltmeter in parallel.
Preferably, the lower end of the sleeve is symmetrically provided with strip-shaped notches, and the connecting sheet penetrates through the strip-shaped notches to be in sliding connection with the metal rod of the slide rheostat.
Preferably, the detection module comprises a single chip microcomputer, an amplifier and an analog-to-digital converter, the amplifier is connected with the voltage dividing resistor, the amplifier is used for amplifying a current signal of the slide rheostat, the amplifier is further connected with the single chip microcomputer through the analog-to-digital converter, the current signal is converted into a digital signal through the analog-to-digital converter, and then the single chip microcomputer processes data.
Preferably, the detection module further comprises a display end connected with the single chip microcomputer, and the display end is a PC end, a mobile end or a display screen.
Preferably, the detection module further comprises a memory connected with the single chip microcomputer, and the memory is used for storing detection data.
Preferably, the type of the single chip microcomputer is STC89C51, the type of the amplifier is LM358, and the type of the analog-to-digital converter is AD 0832.
Preferably, one side of the guide rail is provided with a C-shaped groove, and the shell is connected with the C-shaped groove of the guide rail through a connecting piece.
Preferably, the fixing piece is fixed at the upper end of the sleeve, and the upper end position of the compression spring is fixed through the fixing piece.
Preferably, the sliding rod is fixed in the sliding sheet, and the sliding sheet can slide in the sleeve under the action of the compression spring, so that the sliding rod is driven to move up and down.
The invention has the beneficial effects that:
1. the invention has simple structure, strong practicability, simple operation, convenient carrying and high use flexibility, greatly reduces the influence of artificial subjectivity, improves the detection efficiency and the detection precision, and is simultaneously suitable for the processes of construction, detection, maintenance and the like of various pavements;
2. the invention uses the sliding sheet of the slide rheostat to slide, thereby changing the resistance of the slide rheostat, and uses the sliding sheet of the slide rheostat to slide, thereby causing the change of voltage and current, thereby realizing the detection of the flatness of the road surface.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the detecting mechanism of the present invention;
FIG. 3 is a schematic view of the structure of the guide rail of the present invention;
FIG. 4 is a schematic structural view of the connector of the present invention;
FIG. 5 is a circuit connection block diagram of the detection module of the present invention;
in the figure, 1-guide rail, 2-shell, 3-sleeve, 4-sliding rod, 5-sliding rheostat, 6-fork rod, 7-sliding wheel, 8-fixed sheet, 9-sliding sheet, 10-compression spring, 11-connecting sheet, 12-strip notch, 13-connecting piece and 14-roller.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1, the present embodiment provides a road flatness detecting apparatus, which includes a guide rail 1 and a detecting mechanism cooperating with the guide rail 1, wherein the detecting mechanism employs a sliding transformer principle to realize detection of road flatness.
As shown in fig. 2, the detection mechanism includes a housing 2, a sleeve 3 disposed in the housing 2, a sliding rod 3, a sliding rheostat 5, a fork rod 6, and a sliding wheel 7, wherein the sliding rod 4 is disposed in the sleeve 3 through a fixing plate 8 and a sliding plate 9, the sliding rod 4 between the fixing plate 8 and the sliding plate 9 is further sleeved with a compression spring 10, the lower end of the sliding rod 4 extends downward and penetrates through the sleeve 3 to be connected with the fork rod 6, and the fork rod 6 is provided with the sliding wheel 7.
Preferably, as shown in fig. 3 and 4, one side of the guide rail 1 of this embodiment has a C-shaped groove, the housing 2 is connected with the C-shaped groove of the guide rail 1 through a connecting member 13, in this embodiment, two rollers 14 are disposed on the connecting member 13, and the connecting member 13 can roll in the C-shaped groove through the rollers 2.
Preferably, in this embodiment, the length of the sleeve 3 is 110mm, the fixing plate 8 is fixed at a position 40mm away from the top of the sleeve 3 at the upper end, and a circular through hole is formed in the middle of the fixing plate 8, and the diameter of the circular through hole is slightly larger than that of the sliding rod 4. The upper end position of the compression spring 10 is fixed by the fixing plate 8.
Preferably, the sliding rod 4 is fixed in the sliding sheet 9, and the sliding sheet 9 can slide in the sleeve 3 under the action of the compression spring 10, so as to drive the sliding rod 4 to move up and down. When the road surface is flat, the bottom of the sliding wheel 7 is level with the bottom surface of the guide rail 1, and the compression spring 10 is in a compressed state; when there is a gap in the road surface, the slide plate 9 is pushed out downward by the compression spring 10, i.e. the slide rod 4 and the slide wheel 7 are displaced by the amount corresponding to the gap in the road surface. The slide rheostat 5 is connected with the divider resistor in series and is arranged at the rear end of the sleeve 3.
Preferably, in this embodiment, the lower end of the sleeve 3 is symmetrically provided with strip-shaped notches 12, one side of the sliding piece 9 is slidably connected with the metal rod of the sliding rheostat 5 through a connecting piece 11, and the sliding rheostat 5 is connected with the power supply and detection module. The connecting piece 11 of this embodiment has one end welded to the sliding piece 9 and the other end passing through the strip-shaped notch 12 to be slidably connected to the metal rod of the slide rheostat 5.
Preferably, as shown in fig. 5, the positive pole of the power source is connected to the sliding piece of the connecting piece 11, the negative pole of the power source is connected to the upper end of the slide rheostat 5, the voltage dividing resistor is connected between the negative pole of the power source and the slide rheostat 5, and the slide rheostat 5 is further connected in parallel to the voltmeter.
Preferably, in this embodiment, the detection module includes a single chip microcomputer, an amplifier, an analog-to-digital converter, a display terminal, and a memory, the amplifier is connected to the voltage dividing resistor, the amplifier is configured to amplify the current signal of the slide rheostat 5, the amplifier is further connected to the single chip microcomputer through the analog-to-digital converter, and the single chip microcomputer processes data after the current signal is converted into a digital signal by the analog-to-digital converter. In this embodiment, the display terminal is a PC terminal, a mobile terminal, or a display screen. The memory is used for storing detection data.
Preferably, the type of the single chip microcomputer is STC89C51, the type of the amplifier is LM358, and the type of the analog-to-digital converter is AD 0832.
In the using process, firstly, the guide rail 1 is placed on the road surface of a detection place according to the direction determined by the requirement;
then clamping the detection mechanism into a C-shaped groove of the guide rail 1 through a connecting piece 13 at the rear side, turning on a power switch of the device, and after the resistance value is reset, pushing the detection mechanism to slide along the guide rail 1;
when the sliding wheel 7 at the lower end of the fork rod 6 rolls on the road surface, if the road surface is uneven, the sliding wheel can generate vertical displacement, the sliding rod 4 and the sliding sheet 9 connected to the upper surface also perform the same displacement, and the sliding sheet 9 is fixedly connected with the sliding sheet of the slide rheostat 5, so the positions of the sliding sheets on the slide rheostat 5 are different due to different displacements, namely the corresponding resistance values are different;
the total voltage is constant, the resistance is different, the current is also different, and at the moment, the detection module collects the change of the current value on the sliding distance, converts the current signal into a digital signal and displays and stores the data.
In this embodiment, the inspector can record data on site, and can also directly export the data stored in the inspection device for use through the USB interface after all the tests are completed.
The foregoing embodiments and description have been presented only to illustrate the principles and preferred embodiments of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as hereinafter claimed.
Claims (10)
1. The utility model provides a road flatness detection device which characterized in that: the detection device comprises a guide rail and a detection mechanism matched with the guide rail, and the detection mechanism adopts a sliding changer principle to realize the detection of the pavement evenness.
2. The road flatness detecting apparatus according to claim 1, wherein: one side of the guide rail is provided with a C-shaped groove, and the detection mechanism is connected with the C-shaped groove of the guide rail in a sliding manner through a connecting piece.
3. The road flatness detecting apparatus according to claim 1, wherein: the detection mechanism comprises a shell, and a sleeve, a sliding rod, a sliding rheostat, a fork rod and a sliding wheel which are arranged in the shell, wherein the shell is connected with a C-shaped groove of a guide rail in a sliding mode through a connecting piece, two rollers are arranged on the connecting piece, and the connecting piece can roll in the C-shaped groove through the rollers;
the sliding rod is arranged in the sleeve through a fixed plate and a sliding plate, and a compression spring is further sleeved on the sliding rod between the fixed plate and the sliding plate;
the lower end of the sliding rod extends downwards and penetrates through the sleeve to be connected with the fork rod, and a sliding wheel is arranged on the fork rod;
one side of the sliding sheet is connected with a metal rod of the sliding rheostat in a sliding mode through a connecting sheet, and the sliding rheostat is connected with the power supply and the detection module.
4. A road flatness detecting apparatus according to claim 3, wherein:
the positive pole of power is connected with the gleitbretter of connection piece, and the negative pole of power is connected with the upper end of slide rheostat, still is connected with divider resistance between power negative pole and the slide rheostat, slide rheostat still with voltmeter parallel connection.
5. A road flatness detecting apparatus according to claim 3, wherein:
the lower end of the sleeve is symmetrically provided with strip-shaped notches, and the connecting sheet penetrates through the strip-shaped notches to be in sliding connection with the metal rod of the sliding rheostat.
6. A road flatness detecting apparatus according to claim 3, wherein:
the detection module comprises a single chip microcomputer, an amplifier and an analog-to-digital converter, wherein the amplifier is connected with the divider resistor and used for amplifying a current signal of the slide rheostat, the amplifier is also connected with the single chip microcomputer through the analog-to-digital converter, and the single chip microcomputer processes data after the current signal is converted into a digital signal through the analog-to-digital converter.
7. The road flatness detecting apparatus according to claim 6, wherein:
the detection module also comprises a display end and a memory which are connected with the singlechip;
the display terminal is a PC terminal, a mobile terminal or a display screen;
the memory is used for storing detection data.
8. The road flatness detecting apparatus according to claim 6, wherein:
the model of the single chip microcomputer is STC89C 51;
the model LM358 of the amplifier;
the analog-to-digital converter is AD0832 in model number.
9. A road flatness detecting apparatus according to claim 3, wherein: the fixing piece is fixed at the upper end in the sleeve, and the upper end position of the compression spring is fixed through the fixing piece.
10. A road flatness detecting apparatus according to claim 3, wherein: the sliding rod is fixed in the sliding sheet, and the sliding sheet can slide in the sleeve under the action of the compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010645583.9A CN111705605A (en) | 2020-07-07 | 2020-07-07 | Road surface flatness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010645583.9A CN111705605A (en) | 2020-07-07 | 2020-07-07 | Road surface flatness detection device |
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| Publication Number | Publication Date |
|---|---|
| CN111705605A true CN111705605A (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010645583.9A Pending CN111705605A (en) | 2020-07-07 | 2020-07-07 | Road surface flatness detection device |
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| Country | Link |
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| CN (1) | CN111705605A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884060A (en) * | 2021-10-29 | 2022-01-04 | 枣庄高新区利民供热服务有限公司 | Floor heating water pipe maintenance level detection device |
| CN114875755A (en) * | 2022-05-25 | 2022-08-09 | 昝震亮 | Highway engineering road roughness check out test set |
| CN114960374A (en) * | 2022-05-25 | 2022-08-30 | 昝震亮 | Highway road flatness detection method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102565309A (en) * | 2011-12-12 | 2012-07-11 | 上海兰宝传感科技股份有限公司 | Equipment and method for detecting burst tendency of glass of curtain wall |
| CN105865316A (en) * | 2016-05-27 | 2016-08-17 | 镇江市建科工程质量检测中心有限公司 | Measuring ruler for detecting surface evenness of concrete member |
| CN206693018U (en) * | 2017-04-05 | 2017-12-01 | 深圳市港嘉工程检测有限公司 | A kind of automatic three meters of ruler devices for surveying reading surface evenness |
| CN209230510U (en) * | 2019-01-10 | 2019-08-09 | 嘉海巨信建设有限公司 | A kind of project supervision surface water Pingdu detection device |
| JP2019196680A (en) * | 2018-05-11 | 2019-11-14 | 西日本電信電話株式会社 | Pavement information gathering inspection system, pavement information gathering inspection method, and program |
-
2020
- 2020-07-07 CN CN202010645583.9A patent/CN111705605A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102565309A (en) * | 2011-12-12 | 2012-07-11 | 上海兰宝传感科技股份有限公司 | Equipment and method for detecting burst tendency of glass of curtain wall |
| CN105865316A (en) * | 2016-05-27 | 2016-08-17 | 镇江市建科工程质量检测中心有限公司 | Measuring ruler for detecting surface evenness of concrete member |
| CN206693018U (en) * | 2017-04-05 | 2017-12-01 | 深圳市港嘉工程检测有限公司 | A kind of automatic three meters of ruler devices for surveying reading surface evenness |
| JP2019196680A (en) * | 2018-05-11 | 2019-11-14 | 西日本電信電話株式会社 | Pavement information gathering inspection system, pavement information gathering inspection method, and program |
| CN209230510U (en) * | 2019-01-10 | 2019-08-09 | 嘉海巨信建设有限公司 | A kind of project supervision surface water Pingdu detection device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884060A (en) * | 2021-10-29 | 2022-01-04 | 枣庄高新区利民供热服务有限公司 | Floor heating water pipe maintenance level detection device |
| CN114875755A (en) * | 2022-05-25 | 2022-08-09 | 昝震亮 | Highway engineering road roughness check out test set |
| CN114960374A (en) * | 2022-05-25 | 2022-08-30 | 昝震亮 | Highway road flatness detection method |
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