CN215164442U - Pavement quality detection device - Google Patents
Pavement quality detection device Download PDFInfo
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- CN215164442U CN215164442U CN202120379055.3U CN202120379055U CN215164442U CN 215164442 U CN215164442 U CN 215164442U CN 202120379055 U CN202120379055 U CN 202120379055U CN 215164442 U CN215164442 U CN 215164442U
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Abstract
The application relates to a pavement quality detection device, which relates to the field of municipal engineering quality detection and comprises a vehicle body, a detection mechanism and a mapping mechanism, wherein a roller is fixedly connected below the vehicle body; the detection mechanism comprises a detection wire and at least three detection wheels, the detection wire is horizontally arranged, two ends of the detection wire are fixedly connected with the vehicle body, the detection wheels are positioned below the vehicle body, a connecting rod is fixedly arranged between the detection wheels and the detection wire, and the connecting rod penetrates through the vehicle body and is in sliding connection with the vehicle body; survey and drawing mechanism includes camera and linkage subassembly, the camera is fixed to be set up on the automobile body and the camera lens just right detect the silk, the linkage subassembly sets up be used for pressing on the automobile body the camera shutter. The method and the device have the effect of improving the defect of low detection efficiency in pavement quality detection.
Description
Technical Field
The application relates to municipal works quality detection field especially relates to a road surface quality detection device.
Background
After pavement construction is finished, the pavement construction quality needs to be detected when acceptance is carried out, and main detection indexes comprise indexes such as pavement evenness and thickness.
In the related art, chinese application No. 2020202212316 discloses a road flatness quality detection device, which includes a frame, wheels, a paper wheel a, a paper wheel b, and a drawing device, wherein two wheels are respectively installed on two sides of the frame through axles at the front end of the frame and the rear end of the frame; the front end and the rear end of the frame are respectively provided with a paper wheel a and a paper wheel b through paper wheel shafts, the paper wheel a and the paper wheel b form a driving wheel and a driven wheel, and the paper wheel a and the paper wheel b are connected through rolled paper; the method is characterized in that: the paper wheel shaft at the front end of the frame is connected with the axle at the front end of the frame through a transmission device; the frame is provided with a drawing device; the drawing device comprises a telescopic barrel, a telescopic rod, a T-shaped telescopic frame, a transverse sliding rod and a movement direction turning device; the telescopic barrel is fixed on the frame, the telescopic rod penetrates through the telescopic barrel, and a roller is arranged in a hole at the lower end of the telescopic rod through a shaft; the T-shaped telescopic frame is fixed on the frame, the transverse sliding rod penetrates through the T-shaped telescopic frame, and one end of the transverse sliding rod is provided with a pen container; the pen is placed in the pen container, a hole is formed in the lower end of the pen container, and the pen point of the pen can leak out; the upper end of the telescopic rod and one end of the transverse sliding rod are connected with a movement direction turning device through a crank.
The principle of the scheme is as follows: when the road surface detection is carried out, the wheels drive the axle to rotate when the detection device moves forwards, and the paper wheel shaft is driven to rotate through the transmission device when the axle rotates, so that paper is continuously unfolded. In the forward movement process of the detection device, the roller moves up and down along with the fluctuation of the road surface, the roller drives the telescopic rod to move up and down when moving up and down, the telescopic rod drives the transverse sliding rod to move horizontally through the direction changing device when moving up and down, and the transverse sliding rod drives the pen to move horizontally, so that the fluctuation track of the road surface is drawn on paper.
In view of the above-mentioned related technologies, the inventor believes that, when a pen is used to draw a track on paper during road surface quality detection, the rolling track on a single line can only be measured along with the advancing track of a roller each time, and a large amount of time is consumed when the measurement range is wide, which results in a defect of low measurement efficiency.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect that the detection efficiency is low during the pavement quality detection, the application provides a pavement quality detection device.
The application provides a road surface quality detection device adopts following technical scheme:
a pavement quality detection device comprises a vehicle body, a detection mechanism and a mapping mechanism, wherein a roller is fixedly connected below the vehicle body; the detection mechanism comprises a detection wire and at least three detection wheels, the detection wire is horizontally arranged, two ends of the detection wire are fixedly connected with the vehicle body, the detection wheels are positioned below the vehicle body, a connecting rod is fixedly arranged between the detection wheels and the detection wire, and the connecting rod penetrates through the vehicle body and is in sliding connection with the vehicle body; survey and drawing mechanism includes camera and linkage subassembly, the camera is fixed to be set up on the automobile body and the camera lens just right detect the silk, the linkage subassembly sets up be used for pressing on the automobile body the camera shutter.
Through adopting above-mentioned technical scheme, when carrying out the road surface quality and detecting, drive arrangement measures forward when the automobile body moves forward, detects wheel and road surface contact and along with the up-and-down motion of road surface fluctuation when the device moves forward, when the road surface with a certain detection wheel contact is higher, detects the wheel and will detect the jack-up of silk corresponding position through the connecting rod to the fluctuation degree of accessible detection silk reflects the fluctuation degree on road surface in real time. And then the linkage assembly presses the camera shutter once in the same time, so that the shape of the detection wire is recorded in a camera photographing mode, and the defect of low detection efficiency in pavement quality detection is overcome.
Optionally, the linkage assembly comprises a first gear, an eccentric rod, a linkage rod and a pressing block, the first gear is vertically arranged and follows the roller to rotate, the linkage rod is vertically arranged and penetrates through the vehicle body, one end of the eccentric rod is hinged to the first gear, a hinge point of the eccentric rod deviates from the circle center of the first gear, the other end of the eccentric rod is hinged to the linkage rod, and the pressing block is fixedly arranged on the linkage rod and used for pressing the camera shutter.
By adopting the technical scheme, when the vehicle body driving device moves forwards, the first gear rotates along with the roller, the linkage rod is eccentrically arranged with the first gear through the eccentric rod, so that the linkage rod is driven to reciprocate along the vertical direction when the first gear rotates, and the linkage rod drives the pressing block to reciprocate up and down, so that the shutter can be pressed at equal time intervals.
Optionally, a wheel shaft is rotatably arranged on the lower surface of the vehicle body, and the roller is fixedly arranged on the wheel shaft; and a second gear is fixedly arranged on the wheel shaft, the second gear is meshed with the first gear, and the transmission ratio of the first gear to the second gear is less than one.
Through adopting above-mentioned technical scheme, thereby be less than one through setting up second gear and first gear and second gear drive ratio and make the little fish gyro wheel rotational angular velocity of first gear angular velocity to avoid pressing the shutter too frequently to lead to the waste to a certain extent, avoid causing the damage to the camera simultaneously.
Optionally, a negative weight block is fixedly arranged on the connecting rod.
Through adopting above-mentioned technical scheme, thereby set up heavy burden piece on the connecting rod and make the connecting rod receive gravity downstream to hug closely with the bottom surface, avoid being taken up because of the too high middle connecting rod that leads to in both sides road surface to promote the measuring accuracy.
Optionally, at least three guide sleeves are fixedly arranged on the upper surface of the vehicle body, and the connecting rods are sleeved in the guide sleeves in a one-to-one correspondence manner and are in sliding connection with the guide sleeves.
Through adopting above-mentioned technical scheme, avoid the connecting rod to topple over to side to a certain extent through setting up guide sleeve and lead to measuring error great.
Optionally, the upper end of the connecting rod is fixedly connected with the detection wire.
Through adopting above-mentioned technical scheme, through with connecting rod and detection silk fixed connection to avoid to a certain extent to detect the silk and slided at the horizontal direction after by jack-up and lead to measuring error great.
Optionally, a protective cover is arranged on the scale body and buckled on the vehicle body and made of transparent materials.
Through adopting above-mentioned technical scheme, protect camera and detection mechanism etc. through setting up the protection casing, avoid when measuring the dust etc. to causing the damage to the device on parts such as camera.
Optionally, a sealing strip is fixedly arranged at the joint of the protective cover and the vehicle body.
Through adopting above-mentioned technical scheme, through setting up the sealed seam of sealing strip to avoid to a certain extent when comparatively moist environment measures that the water droplet etc. gets into parts such as camera and cause the damage to the device in.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the pavement quality is detected, the pavement undulation degree is reflected in real time through the detection wire, then the camera is pressed at equal time intervals through the linkage assembly, and the shape of the detection wire is shot and recorded through the camera, so that the defect of low detection efficiency during pavement quality detection is overcome;
2. the first gear is matched with the second gear and the transmission ratio of the first gear to the second gear is set to be smaller than one, so that the first gear rotates the fish roller with small angular speed, and the camera is prevented from being damaged due to the fact that the camera is pressed too frequently;
3. parts such as camera and detection silk are protected through setting up the protection casing to avoid to a certain extent that the device takes place to damage when comparatively adverse circumstances measures, promoted the practicality of device.
Drawings
FIG. 1 is a first schematic structural diagram of a pavement quality detection device according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a second road surface quality detection device according to an embodiment of the present application;
FIG. 3 is a schematic view of a vehicle body mechanism of the road surface quality detection device according to the embodiment of the present application;
FIG. 4 is a schematic structural diagram of a detection mechanism of the road surface quality detection device according to the embodiment of the present application;
fig. 5 is a schematic structural diagram of a linkage assembly of the road surface quality detection device according to the embodiment of the application.
Description of reference numerals: 1. a vehicle body; 11. a roller; 12. a wheel axle; 13. a motor; 14. a protective cover; 15. a sealing strip; 2. a detection mechanism; 21. detecting the silk; 22. detecting a wheel; 23. a connecting rod; 24. erecting a rod; 25. a guide sleeve; 26. detecting the rotating shaft; 27. a negative weight block; 3. a mapping mechanism; 31. a camera; 32. a linkage assembly; 321. a first gear; 322. a second gear; 323. an eccentric rod; 324. a linkage rod; 325. and (7) briquetting.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses road surface quality detection device. Referring to fig. 1 and 2, the road surface quality detection device comprises a vehicle body, a detection mechanism and a mapping mechanism, wherein four rollers are arranged below the vehicle body; the detection mechanism comprises a detection wire and five detection wheels, the two ends of the detection wire are fixedly connected with the vehicle body, the detection wheels are arranged below the vehicle body, a connecting rod is arranged between the detection wire and the detection wheels, the connecting rod is vertically arranged and penetrates through the vehicle body, and the upper end and the lower end of the connecting rod are respectively connected with the detection wire and the detection wheels. The surveying and mapping mechanism comprises a camera and a linkage assembly, the camera is fixedly arranged on the vehicle body, the lens is opposite to the detection wire, and the linkage assembly is used for pressing a camera shutter at equal time intervals.
When the pavement quality is detected, the vehicle body moves forwards to drive the detection device to move forwards, the detection wheel is contacted with the pavement and moves downwards along with the fluctuation of the pavement, the detection wire is driven to fluctuate when the detection wheel moves up and down, so that the fluctuation of the detection wire can reflect the fluctuation state of the pavement in real time, and then the camera shutter is pressed by the linkage assembly at equal time intervals, so that the measurement result is recorded in a shooting and recording mode.
Referring to fig. 3, specifically, a fixed block is welded and fixed on the bottom surface of the vehicle body, a wheel shaft is arranged on the fixed block, the wheel shaft penetrates through the fixed block and is rotatably connected with the fixed block through a bearing, and the roller is welded and fixed at the end of the wheel shaft. The bottom surface of the vehicle body is fixedly provided with a motor through a bolt, the motor output shaft is fixedly provided with a motor through a bolt on a fixing block, and the motor output shaft is fixedly connected with a wheel shaft through a coupler.
The car body is provided with a protective cover which is buckled on the car body and is fixedly provided with a sealing strip at the joint of the protective cover and the car body through epoxy resin glue. The protection casing sets up to transparent material, sets up to transparent resin material in this embodiment.
Referring to fig. 4, further, two vertical rods are welded and fixed on the upper surface of the vehicle body, and the two vertical rods are vertically arranged and have the same height. In this embodiment, the detection wire is set as a thin steel wire, and the two ends of the detection wire are respectively welded and fixed with the upper ends of the two upright rods and the detection wire is in a slightly loose state.
Referring to fig. 4, five guide sleeves are welded and fixed below the detection wires on the upper surface of the vehicle body, are perpendicular to the upper surface of the vehicle body, and are arranged at equal intervals. The connecting rods penetrate through the guide sleeves in a one-to-one correspondence mode and are in sliding connection with the guide sleeves, and the upper ends of the connecting rods are welded and fixed with the detection wires. The through-hole has been seted up to the connecting rod lower extreme, wears to be equipped with in the through-hole and detects the pivot, detects the wheel welded fastening and detect in the pivot. The connecting rod is welded and fixed with a negative weight block.
When the automobile body moves forward, the connecting rod makes detection wheel and road surface butt downwards under heavy burden piece and self action of gravity, and the detection wheel promotes the detection silk through the connecting rod and appears undulant when the road surface appears undulant to can reflect the road surface state of undulation in real time through the detection silk state.
Referring to fig. 5, the linkage assembly includes a first gear, a second gear, an eccentric rod, a linkage rod and a pressing block, the second gear is fixed on the wheel shaft through a key connection, an auxiliary shaft is welded and fixed on the bottom surface of the vehicle body, the auxiliary shaft is set to be L-shaped, the first gear is rotatably arranged on the auxiliary shaft through a bearing and meshed with the second gear, the transmission ratio of the first gear to the second gear is smaller than one, and the transmission ratio is set to be one third in this embodiment. The linkage rod is vertically arranged and penetrates through the vehicle body and the lower end of the linkage rod to be provided with a through hole, the two ends of the eccentric rod are provided with through holes, the cylindrical pin penetrates through the through hole to hinge one end of the eccentric rod and the lower end of the linkage rod, the other end of the eccentric rod is hinged with the radial surface of the first gear through the cylindrical pin, and the hinged point deviates from the circle center of the first gear. The pressing block is welded and fixed on the linkage rod, and one end of the pressing block is positioned right above the camera shutter.
The camera is fixed on the upper surface of the vehicle body through a bolt, and the camera lens is opposite to the detection wire.
In the process that the automobile body moves forward, the wheel axle drives the second gear to rotate when rotating, and the first gear is driven to rotate through meshing transmission when the second gear rotates, and because the transmission ratio of the first gear and the second gear is one third, the rotating angular speed of the first gear is one third of that of the second gear. The linkage rod is driven to reciprocate up and down through the eccentric rod when the first gear rotates, so that the pressing block is driven to reciprocate up and down, the camera shutter is pressed when the pressing block moves to the lowest end, the shape of the detection wire is shot and recorded at equal time intervals, and the road surface fluctuation degree is shot and recorded.
When detection is carried out, the shooting interval time can be changed by changing the transmission ratio of the first gear and the second gear, so that detection with different precision is realized.
The implementation principle of the pavement quality detection device in the embodiment of the application is as follows: the motor drives the vehicle body to move forward, and the detection wheel is attached to the road surface in the motion process of the vehicle body and pushes the detection wire to fluctuate up and down through the connecting rod, so that the fluctuation degree of the detection wire reflects the fluctuation degree of the road surface. Then the wheel shaft drives the first gear to rotate through the second gear, the first gear drives the linkage rod to reciprocate up and down through the eccentric rod when rotating, and therefore the pressing block is driven to reciprocate up and down to press the camera shutter at equal time intervals, and the shape of the detection wire is shot and recorded.
Set up the protection casing on the automobile body to protect detection mechanism and mapping mechanism, thereby seal up the protection of parts such as camera through the sealing strip to safety cover and automobile body junction.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A road surface quality detection device is characterized in that: the device comprises a vehicle body, a detection mechanism and a surveying and mapping mechanism, wherein a roller is fixedly connected below the vehicle body; the detection mechanism comprises a detection wire and at least three detection wheels, the detection wire is horizontally arranged, two ends of the detection wire are fixedly connected with the vehicle body, the detection wheel is positioned below the vehicle body, a connecting rod is arranged between the detection wheel and the detection wire, the connecting rod is vertically arranged, the upper end of the connecting rod is connected with the detection wire, the lower end of the connecting rod is rotatably connected with the detection wheel, and the connecting rod penetrates through the vehicle body and is in sliding connection with the vehicle body; survey and drawing mechanism includes camera and linkage subassembly, the camera is fixed to be set up on the automobile body and the camera lens just right detect the silk, the linkage subassembly sets up be used for pressing on the automobile body the camera shutter.
2. The road surface quality detection device according to claim 1, characterized in that: the linkage assembly comprises a first gear, an eccentric rod, a linkage rod and a pressing block, the first gear is vertically arranged and follows the roller to rotate, the linkage rod is vertically arranged and penetrates through the vehicle body, one end of the eccentric rod is hinged to the first gear, a hinged point of the eccentric rod deviates from the circle center of the first gear, the other end of the eccentric rod is hinged to the linkage rod, and the pressing block is fixedly arranged on the linkage rod and used for pressing the camera shutter.
3. The road surface quality detection device according to claim 2, characterized in that: the lower surface of the trolley body is rotatably provided with a wheel shaft, and the roller is fixedly arranged on the wheel shaft; and a second gear is fixedly arranged on the wheel shaft, the second gear is meshed with the first gear, and the transmission ratio of the first gear to the second gear is less than one.
4. The road surface quality detection device according to claim 1, characterized in that: and a negative weight block is fixedly arranged on the connecting rod.
5. The road surface quality detection device according to claim 1, characterized in that: the automobile body upper surface is fixed and is provided with at least three guide sleeve, the connecting rod one-to-one cover is established in the guide sleeve and with guide sleeve sliding connection.
6. The road surface quality detection device according to claim 1, characterized in that: the upper end of the connecting rod is fixedly connected with the detection wire.
7. The road surface quality detection device according to claim 1, characterized in that: the automobile body is provided with a protective cover, and the protective cover is buckled on the automobile body and is made of transparent materials.
8. The road surface quality detection device according to claim 7, characterized in that: and a sealing strip is fixedly arranged at the joint of the protective cover and the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120379055.3U CN215164442U (en) | 2021-02-19 | 2021-02-19 | Pavement quality detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120379055.3U CN215164442U (en) | 2021-02-19 | 2021-02-19 | Pavement quality detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215164442U true CN215164442U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120379055.3U Active CN215164442U (en) | 2021-02-19 | 2021-02-19 | Pavement quality detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215164442U (en) |
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2021
- 2021-02-19 CN CN202120379055.3U patent/CN215164442U/en active Active
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