CN110806414A - Efficient device for detecting pavement cracks - Google Patents
Efficient device for detecting pavement cracks Download PDFInfo
- Publication number
- CN110806414A CN110806414A CN201911232907.XA CN201911232907A CN110806414A CN 110806414 A CN110806414 A CN 110806414A CN 201911232907 A CN201911232907 A CN 201911232907A CN 110806414 A CN110806414 A CN 110806414A
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- China
- Prior art keywords
- camera
- transverse supporting
- supporting rod
- tractor
- microcontroller
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
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- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Road Repair (AREA)
Abstract
A high-efficiency device for detecting pavement cracks comprises a tractor, a crack detection module, a main control module and an alarm module, wherein a support frame is arranged on the tractor and comprises a vertical support rod and a transverse support rod, the end part of the transverse support rod is rotationally connected with the vertical support rod, the crack detection module comprises an ultrasonic flaw detector positioned on the transverse support rod, two sides of the ultrasonic flaw detector are respectively provided with a paint spraying opening and a camera, the paint spraying opening is provided with an electric valve, and the ultrasonic flaw detector, the paint spraying opening and the camera are fixed together and are slidably mounted on the transverse support rod; be equipped with microcontroller, positioning system, temperature control system, memory and display screen in the tractor, camera, memory and display screen all are connected with microcontroller, and crack detection module output is connected with microcontroller, and microcontroller is connected with the master control module input, and the master control module output is connected with alarm module and motorised valve respectively. The device simple structure, convenient operation, detection speed is fast, and the measurement is accurate.
Description
Technical Field
The invention belongs to the technical field of road and bridge detection, and particularly relates to a high-efficiency device for detecting pavement cracks.
Background
At present, urban roads, expressways, bridge pavements and the like are paved by asphalt or cement to form pavements, cracks can be generated on the pavements due to the action of driving loads and the influence of natural factors, and if the cracks are not repaired in time, pavement pits can be generated, so that deeper damage can be caused to the pavements, and the driving safety can be influenced. Therefore, early detection of pavement cracks is an important prerequisite for maintaining pavement.
The depth and the width of the crack of the component are measured, so that the current situation of the pavement structure can be known, the safety level of the structure can be evaluated, and particularly, the crack in the traffic road construction engineering structure (such as a bridge) is an important hidden danger for the normal work of a structural body. The existing manual detection method has the problems of low accuracy, large human error and low operation efficiency, and cannot provide objective and accurate basic data for crack assessment and formation mechanism research.
Disclosure of Invention
The invention provides an efficient device for detecting pavement cracks, which is simple in structure, convenient to operate, high in detection speed and accurate in measurement.
In order to achieve the purpose, the efficient device for detecting the pavement cracks comprises a tractor, a crack detection module, a main control module and an alarm module, wherein a support frame is arranged on the tractor and comprises a vertical support rod and a transverse support rod; the crack detection module comprises an ultrasonic flaw detector positioned on the transverse support rod, a paint spraying opening and a camera for collecting road surface images are respectively arranged on two sides of the ultrasonic flaw detector, an electric valve is arranged at the paint spraying opening, and the ultrasonic flaw detector, the paint spraying opening and the camera are fixed together and are respectively slidably mounted on the transverse support rod; the tractor is characterized in that a microcontroller, a positioning system, a temperature control system, a memory and a display screen are arranged in the tractor, the camera, the positioning system, the temperature control system, the memory and the display screen are all connected with the microcontroller, the output end of the crack detection module is connected with the microcontroller through a wireless network, the microcontroller is connected with the input end of a main control module, and the output end of the main control module is respectively connected with the alarm module and the electric valve; the temperature control system comprises a protective cover additionally provided with optical glass, a heater and a fan, and the camera can be protected to normally work in a field environment; the positioning system is used to determine the location of the defect on the roadway.
Furthermore, the transverse supporting rod comprises a first transverse supporting rod and a second transverse supporting rod, the first transverse supporting rod and the second transverse supporting rod are rotatably connected with the vertical supporting rod through bearing seats, a groove is formed in one side of a bearing sleeve of the first transverse supporting rod, and the bearing sleeve of the first transverse supporting rod is located in the groove.
Furthermore, an infrared receiver is arranged on the tractor.
Preferably, the transverse supporting rod is of a telescopic structure.
Preferably, the camera is a CCD line scan camera.
Compared with the prior art, the ultrasonic flaw detector is arranged on the transverse supporting rod, the ultrasonic flaw detector sends the detected signal to the microcontroller, the microcontroller analyzes and processes the received signal and then transmits the signal to the main control module, when the ultrasonic flaw detector detects a crack, the main control module controls the alarm module to give an alarm, and simultaneously controls the electric valve to be opened to spray paint and position the crack, so that the positioning is accurate, the operation is convenient, and the working efficiency is high; meanwhile, the camera stores the acquired image information in the memory to realize more accurate positioning; in addition, the ultrasonic flaw detector, the paint spraying opening and the camera can slide on the transverse supporting rod, so that the pavement crack condition can be detected more comprehensively; the transverse supporting rods are arranged to be of a telescopic structure, so that the road pavement structure can adapt to road surfaces with various widths, and the road pavement structure is convenient to place; when the road surface becomes narrow, the two transverse supporting rods move oppositely, the included angle between the two transverse supporting rods is reduced, and the detection width is reduced; when the road surface is wider, the included angle between the two transverse supporting rods is enlarged; the tractor is provided with the infrared receiver, and the detection operation is simpler and more convenient by remotely controlling the starting, stopping and steering of the trolley through the remote controller.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a functional block diagram of the present invention;
in the figure: 1. tractor, 2, vertical support bar, 3, first horizontal bracing piece, 4, the horizontal bracing piece of second, 5, ultrasonic flaw detector, 6, the mouth that sprays paint, 7, recess, 8, camera.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The efficient device for detecting the pavement cracks as shown in fig. 1 and 2 comprises a tractor 1, a crack detection module, a main control module and an alarm module, wherein a support frame is arranged on the tractor 1 and comprises a vertical support rod 2 and a transverse support rod; the transverse support rods comprise a first transverse support rod 3 and a second transverse support rod 4, the first transverse support rod 3 and the second transverse support rod 4 are rotatably connected with the vertical support rod 2 through bearing seats, a groove 7 is formed in one side of a bearing sleeve of the first transverse support rod 3, and the bearing sleeve of the first transverse support rod 3 is located in the groove 7;
the crack detection module comprises an ultrasonic flaw detector 5 positioned on a transverse supporting rod, a paint spraying opening 6 and a camera 8 for collecting road surface images are respectively arranged on two sides of the ultrasonic flaw detector 5, the paint spraying opening 6 is connected with a paint spraying barrel through a paint spraying hose, the paint spraying barrel is positioned on the tractor 1, an electric valve is arranged at the paint spraying opening 6, and the ultrasonic flaw detector 5, the paint spraying opening 6 and the camera 8 are fixed together and are respectively slidably mounted on the transverse supporting rod; the tractor is characterized in that a microcontroller, a positioning system, a temperature control system, a memory and a display screen are arranged in the tractor 1, the camera 8, the positioning system, the temperature control system, the memory and the display screen are all connected with the microcontroller, the output end of the crack detection module is connected with the microcontroller through a wireless network, the microcontroller is connected with the input end of a main control module, and the output end of the main control module is respectively connected with the alarm module and the electric valve; the temperature control system comprises a protective cover additionally provided with optical glass, a heater and a fan, and the camera can be protected to normally work in a field environment; the positioning system is used to determine the location of the defect on the roadway.
Be equipped with infrared receiver on tractor 1, accessible remote controller realizes opening in the course of the work and stops and turn to the waiting control of tractor 1.
In order to facilitate the placement of the invention and the adjustment of the width of the transverse support rods according to the width of the road surface, the transverse support rods are of a telescopic structure.
The camera is a CCD line scanning camera.
Claims (5)
1. The efficient device for detecting the pavement cracks is characterized by comprising a tractor (1), a crack detection module, a main control module and an alarm module, wherein a support frame is arranged on the tractor (1), and comprises a vertical support rod (2) and a transverse support rod;
the crack detection module comprises an ultrasonic flaw detector (5) positioned on a transverse supporting rod, a paint spraying opening (6) and a camera (8) used for collecting road surface images are respectively arranged on two sides of the ultrasonic flaw detector (5), an electric valve is arranged at the paint spraying opening (6), and the ultrasonic flaw detector (5), the paint spraying opening (6) and the camera (8) are fixed together and are respectively slidably mounted on the transverse supporting rod; the tractor is characterized in that a microcontroller, a positioning system, a temperature control system, a memory and a display screen are arranged in the tractor (1), the camera (8), the positioning system, the temperature control system, the memory and the display screen are all connected with the microcontroller, the output end of the crack detection module is connected with the microcontroller through a wireless network, the microcontroller is connected with the input end of a main control module, and the output end of the main control module is respectively connected with the alarm module and the electric valve; the temperature control system comprises a protective cover additionally provided with optical glass, a heater and a fan, and protects the camera (8) from working normally in a field environment; the positioning system is used to determine the location of the defect on the roadway.
2. The efficient device for detecting the pavement cracks is characterized in that the transverse supporting rods comprise a first transverse supporting rod (3) and a second transverse supporting rod (4), the first transverse supporting rod (3) and the second transverse supporting rod (4) are rotatably connected with the vertical supporting rod (2) through bearing seats, one side of a bearing sleeve of the first transverse supporting rod (3) is provided with a groove (7), and the bearing sleeve of the first transverse supporting rod (3) is positioned in the groove (7).
3. A high-efficiency device for detecting cracks in road surfaces, according to claim 1, characterized in that said tractor (1) is provided with an infrared receiver.
4. A high efficiency apparatus for detecting pavement cracks according to claim 1 or 2, wherein said transverse supporting rods are of a telescopic structure.
5. A high efficiency device for detecting pavement cracks according to claim 1 or 2, characterized in that the camera (8) is a CCD line scan camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911232907.XA CN110806414A (en) | 2019-12-05 | 2019-12-05 | Efficient device for detecting pavement cracks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911232907.XA CN110806414A (en) | 2019-12-05 | 2019-12-05 | Efficient device for detecting pavement cracks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110806414A true CN110806414A (en) | 2020-02-18 |
Family
ID=69492509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911232907.XA Withdrawn CN110806414A (en) | 2019-12-05 | 2019-12-05 | Efficient device for detecting pavement cracks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110806414A (en) |
-
2019
- 2019-12-05 CN CN201911232907.XA patent/CN110806414A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200218 |