CN217378499U - Pull type rapid pavement flatness detection device - Google Patents
Pull type rapid pavement flatness detection device Download PDFInfo
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- CN217378499U CN217378499U CN202220844056.5U CN202220844056U CN217378499U CN 217378499 U CN217378499 U CN 217378499U CN 202220844056 U CN202220844056 U CN 202220844056U CN 217378499 U CN217378499 U CN 217378499U
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Abstract
The utility model discloses a pull-type rapid pavement evenness detection device, which adopts a two-wheel trailer form carrying instrument equipment; the trailer comprises a trailer body, wherein the front part of the trailer body is provided with a connecting end for connecting with an external tractor; a laser type displacement sensor, an accelerometer, a storage battery, a lower computer and a touch screen are arranged in the vehicle body; the outer end of a wheel shaft at one side of the two-wheeled trailer is also provided with a distance encoder; the laser displacement sensor, the accelerometer and the distance encoder are respectively connected with a lower computer, and the lower computer is connected with the touch screen; the storage battery supplies power for the instrument equipment. The road surface flatness detection device of the utility model has high independence, and the device itself forms a complete system without refitting the bearing vehicle; the adaptability is good, and the device can be carried on various carriers and is suitable for various road condition detection; the volume is small, and the device is suitable for the detection requirements of various medium and low speed working conditions; in addition, a GPS positioning camera and a landscape camera can be arranged to support post-incident problem road section positioning and data source tracing.
Description
Technical Field
The utility model relates to a road check out test set field especially relates to a pull type express way flatness detection device.
Background
The pavement evenness refers to the deviation value of the longitudinal concave-convex amount of the pavement surface, is an important index in pavement evaluation and pavement construction acceptance, and mainly reflects the evenness of a pavement longitudinal section profile curve. The novel road surface impact force-resistant device has the advantages that the safety and the comfort of driving are realized, the impact force on the road surface is large, the service life of the road surface is prolonged, the driving resistance is increased due to the uneven road surface, the vehicle jolts, the speed and the safety of driving are influenced, and the stability of driving and the comfort of passengers are influenced.
The equipment and the method for detecting the flatness in China mainly comprise the following devices: 1) measuring by using a 3-meter ruler;
2) measuring by a continuous flatness meter; 3) a vehicle-mounted jounce accumulator; 4) laser type flatness instrument. The 3-meter ruler and the continuous flatness meter are limited by length and speed, so that the jolt and fluctuation of a road surface with a longer wavelength at a higher vehicle speed are difficult to reflect, and in addition, the continuous flatness meter also has the problems of low detection efficiency, low speed, huge and heavy mechanical configuration, poor measurement precision, poor reproducibility and the like in use. The vehicle-mounted jolt-accumulating instrument is not suitable for the road surface with more pits and serious damage. The current mainstream equipment of vehicular laser formula roughness appearance all uses to bear the car as the main part, and fixed mounting uses to bear car power supply on car plantago or car rear wheel track, and the distance encoder is connected and is born the car wheel, and is strong to bearing the car dependence, unable exclusive use.
For the field flatness detection of low-grade roads and construction site laboratories, due to the complex field working conditions, poor passing force, small detector volume, inconvenient running of a vehicle-mounted laser type flatness instrument and poor price economy, most of the prior art mainly use a three-meter ruler and a continuous pavement flatness instrument.
Therefore, the above-mentioned conventional road flatness detecting device still has inconvenience and defects in structure and use, and needs to be further improved. How to create a new road flatness detection device which has strong adaptability and high independence and can meet the requirements of detecting the road flatness at medium and low speeds becomes an extremely improved target in the current industry.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an express way roughness detection device who satisfies well low-speed roughness detection demand, make its strong adaptability, independence high to overcome current road roughness detection device's not enough.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a pull-type rapid pavement evenness detection device adopts a two-wheel trailer form carrying instrument equipment; the trailer comprises a body of a trailer, wherein the front part of the body is provided with a connecting end for connecting with an external tractor; the laser type displacement sensor, the accelerometer, the storage battery, the lower computer and the touch screen are arranged in the vehicle body; the outer end of a wheel shaft at one side of the two-wheeled trailer is also provided with a distance encoder; the laser type displacement sensor, the accelerometer and the distance encoder are respectively connected with a lower computer, and the lower computer is connected with the touch screen; the storage battery supplies power for the instrument equipment.
As a further improvement of the utility model, the top of the vehicle body is also provided with a GPS receiver and a landscape camera; the GPS receiver and the landscape camera are respectively connected with the lower computer.
Furthermore, the connecting end comprises an adjustable trailer hook, a trailer hook spherical cover and a connecting beam; the adjustable trailer hook is adjustable in height and used for being connected with a front tractor; the trailer hook ball cover is detachably connected with the adjustable trailer hook, and the trailer hook ball cover is connected to the lower part in front of the vehicle body through a connecting beam; and a horizontal detection bubble is arranged on the connecting beam.
Furthermore, the adjustable trailer hook, the trailer hook ball cover and the connecting beam are sequentially connected to form a structure similar to a Chinese character 'ji'.
Further, laser type displacement sensor, accelerometer install in the inside bottom of automobile body to keep the perpendicular mounting height that laser type displacement sensor light-emitting hole apart from ground settlement, the accelerometer is installed on laser type displacement sensor upper portion, and the center pin aligns with laser type displacement sensor light-emitting hole center.
Furthermore, a rotating shaft sleeve of the distance encoder is coaxially mounted with a wheel axle, and a shell of the distance encoder is fixed on the vehicle body through a telescopic connecting plate and an auxiliary connecting column; the auxiliary connecting column is horizontally fixed on the vehicle body, and the outer end of the auxiliary connecting column is provided with an external thread; the upper end of the telescopic connecting plate is provided with a long slotted hole, the lower end of the telescopic connecting plate is connected with the distance encoder, and the upper end long slotted hole is movably connected with the auxiliary connecting column and limited by a limiting nut.
Further, the view camera contains control guard shield and industrial camera, installs at the automobile body top through the support, is connected with the universal joint between support and the view camera.
Further, the landscape camera is triggered by the distance encoder pulse and is used for continuously acquiring information of the road surface.
Further, a roof door is arranged at the top of the vehicle body; and/or the storage battery is a 12V storage battery; and/or the wheels of the trailer are 16 inch tires.
Further, the tractor is a light motorcycle, an electric bicycle or all vehicles provided with the tractor hook.
By adopting the technical scheme, the utility model discloses at least, following advantage has:
1. the independence is high, a pull-type two-wheeled vehicle is used as a carrier, a sensor, power supply equipment and control equipment are carried, a system integration mode is formed, and a complete system is formed by the system without modifying a bearing vehicle;
2. the device has good adaptability, can be carried on various tractor carriers, can be used for dragging vehicles such as light motorcycles, electric bicycles and any vehicles with a tractor hook, and is suitable for various road condition detection;
3. the volume is small, the transition is convenient, and the device is suitable for the detection requirements of various medium and low speed working conditions.
4. And a GPS positioning camera and a landscape camera are arranged to support post-incident positioning and data tracing of the problem road section.
Drawings
The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clear, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.
FIG. 1 is a schematic structural view of a trailer type express way flatness detection device (the roof door is closed);
FIG. 2 is a schematic view of the structure of a trailer-type express pavement flatness detecting apparatus (the roof door is open);
FIG. 3 is a cross-sectional view of a trailer-type rapid pavement flatness detecting apparatus;
FIG. 4 is a schematic view of a sensor mounting plate construction;
FIG. 5 is a schematic diagram of the working principle;
fig. 6 is a schematic view of a motorcycle towing operation.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1-3, a trailer-type rapid pavement evenness testing device of the present embodiment is in the form of a two-wheeled trailer carrying instrumentation; the trailer comprises a trailer body 4, wherein the front part of the trailer body 4 is provided with a connecting end used for being connected with an external tractor; a laser type displacement sensor 14, an accelerometer 15, a storage battery 17, a lower computer 12 and a touch screen 13 are arranged in the vehicle body 4; the outer end of a wheel shaft at one side of the two-wheeled trailer is also provided with a distance encoder 11; a roof door 5 is arranged on the top of the vehicle body 4, and a GPS receiver 6 and a landscape camera 7 are further mounted on the top of the vehicle body 4.
As shown in fig. 5, the laser displacement sensor 14, the accelerometer 15, the distance encoder 11, the GPS receiver 6, and the landscape camera 7 are respectively connected to the lower computer 12, and the lower computer 12 is connected to the touch screen 13; the lower computer comprises a voltage boosting and reducing module, a collecting card, a communication module and the like, is used for data collection and can also process data according to requirements; the accumulator 17 supplies power to the equipment.
The device adopts a pull-type two-wheeled vehicle as a carrier, carries a sensor, an accelerometer, power supply equipment and control equipment, and forms a complete system in a self-systematical integration mode without modifying a bearing vehicle, so that the applicability is stronger. The GPS positioning and landscape camera is equipped, so that the problem road section positioning and data tracing can be supported afterwards.
As shown in fig. 1-3, in order to realize connection with an external towing vehicle, the connection end preferably adopts the following structural form, including an adjustable towing vehicle hook 1, a towing vehicle hook ball cover 2 and a connection beam; the adjustable tow hook 1 is used for being connected with a front tow car which can adopt a light motorcycle, an electric bicycle and various common vehicles. The adjustable trailer hook 1 can realize the adjustment of a certain installation height; if a vertical square steel pipe sleeving mode can be adopted, the square steel pipe is vertically provided with a plurality of pin holes, and height adjustment can be realized by connecting different pin holes; the trailer hook ball cover 2 is detachably connected with the adjustable trailer hook 1, and the trailer hook ball cover 2 is connected to the lower part in front of the vehicle body 4 through a connecting beam; level detection bubble 3 is provided with at the tie-beam upper surface, and the tie-beam can adopt the square steel roof beam. The adjustable trailer hook 1, the trailer hook spherical cover 2 and the connecting beam are sequentially connected to form a structure similar to a Chinese character 'ji'. In actual use, the adjustable trailer hook 1 is connected with a tractor, and after the adjustable trailer hook is connected, the body level of the detection device needs to be kept, so that the level condition of the body needs to be detected by adjusting the height of the adjustable trailer hook and matching the level detection bubble.
As shown in fig. 3 and 4, the laser displacement sensor 14 and the accelerometer 15 are mounted at the bottom inside the vehicle body 4 through a mounting backboard 16, and the vertical mounting height set by the distance between the light emitting holes of the laser displacement sensor 14 is maintained, the accelerometer 15 is mounted at the upper part of the laser displacement sensor 14, and the center axis is aligned with the center of the light emitting hole of the laser displacement sensor 14. The two are matched with a distance encoder 11 to realize basic detection of the road flatness.
As shown in fig. 1, a rotating shaft sleeve of a distance encoder 11 is coaxially connected with a wheel axle, and a shell of the distance encoder 11 is fixed on a vehicle body 4 through a telescopic connecting plate 10 and an auxiliary connecting column 8; the auxiliary connecting column 8 is horizontally fixed on the vehicle body 4, and the outer end of the auxiliary connecting column 8 is provided with an external thread; the upper end of the telescopic connecting plate 9 is provided with a long slotted hole, the lower end of the telescopic connecting plate is connected with the distance encoder 11, the upper end long slotted hole is movably connected with the auxiliary connecting column 8, the limit nut 9 is used for limiting, and the movable clearance of the telescopic connecting plate is ensured. Through the above arrangement, the distance encoder 11 can be fixed on the vehicle body, and the influence of the uneven road surface on the distance encoder 11 can be avoided.
Cooperation figure 1, 2 show, view camera 7 contains monitoring guard shield and industry camera, and the monitoring guard shield can be waterproof, rain-proof, dustproof, and view camera 7 passes through the support mounting at 4 tops of automobile body, is connected with the universal joint between support and the view camera, can diversified rotatory locking. The industrial camera is triggered by the distance encoder 11 pulse, can continuously collect the information of the collected road surface, and supports the tracing road surface field condition if necessary.
As shown in figure 6, the pulling type rapid pavement flatness detection device is small in size, a 12V storage battery is adopted for supplying power, and a small 16-inch tire is adopted for a wheel.
When the pull-type rapid pavement evenness detecting device is used, the pull-type rapid pavement evenness detecting device is connected with a tractor, the adjustable tractor hook is adjusted, the level detecting bubble is observed to enable the body of the device to be kept horizontal, a roof door is opened, the device is started through a touch screen, a detecting program is started, then the roof door is closed, the pavement evenness can be detected through the traction of the tractor, and data of a laser displacement sensor, an accelerometer and a distance encoder are transmitted to a lower computer to realize the acquisition and detection of basic data; the GPS receiver receives GPS data in real time, the landscape camera continuously shoots road surface information, and the data of the GPS data and the road surface information are transmitted to the lower computer, so that the problem road section can be quickly positioned and the data can be traced to the source at the later stage.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention in any way, and it is intended that the present invention cover modifications, equivalents and modifications by those skilled in the art, which are included in the technical spirit of the present invention.
Claims (10)
1. A pull-type rapid pavement evenness detection device is characterized in that a two-wheel pull-trailer mode carrying instrument equipment is adopted;
the tractor comprises a body of a trailer, wherein the front part of the body is provided with a connecting end used for being connected with an external tractor; the laser type displacement sensor, the accelerometer, the storage battery, the lower computer and the touch screen are arranged in the vehicle body; the outer end of a wheel shaft at one side of the two-wheeled trailer is also provided with a distance encoder;
the laser type displacement sensor, the accelerometer and the distance encoder are respectively connected with a lower computer, and the lower computer is connected with the touch screen; the storage battery supplies power for the instrument equipment.
2. The pull-type rapid pavement evenness detecting device according to claim 1, wherein a GPS receiver and a landscape camera are further mounted on the top of the vehicle body; the GPS receiver and the landscape camera are respectively connected with the lower computer.
3. The pull-type rapid pavement flatness detecting device according to claim 1 or 2, wherein the connecting end comprises an adjustable trailer hook, a trailer hook ball cover and a connecting beam;
the adjustable trailer hook is adjustable in height and is used for being connected with a front tractor; the trailer hook ball cover is detachably connected with the adjustable trailer hook, and the trailer hook ball cover is connected to the lower part in front of the vehicle body through a connecting beam; and a horizontal detection bubble is arranged on the connecting beam.
4. The device for detecting the flatness of a pull-type fast road surface according to claim 3, wherein the adjustable type trailer hook, the trailer hook ball cover and the connecting beam are sequentially connected to form a structure similar to a Chinese character 'ji'.
5. The pulling type fast road flatness detection device according to claim 1 or 2, wherein the laser type displacement sensor and the accelerometer are installed at the bottom inside the vehicle body, the vertical installation height set by the distance between the light emitting holes of the laser type displacement sensor is kept, the accelerometer is installed on the upper portion of the laser type displacement sensor, and the center shaft is aligned with the center of the light emitting hole of the laser type displacement sensor.
6. The pull-type rapid pavement flatness detection device according to claim 1 or 2, wherein a rotating shaft sleeve of the distance encoder is coaxially mounted with a wheel axle, and a housing of the distance encoder is fixed on a vehicle body through a telescopic connecting plate and an auxiliary connecting column;
the auxiliary connecting column is horizontally fixed on the vehicle body, and the outer end of the auxiliary connecting column is provided with an external thread;
the upper end of the telescopic connecting plate is provided with a long slotted hole, the lower end of the telescopic connecting plate is connected with the distance encoder, and the upper end long slotted hole is movably connected with the auxiliary connecting column and limited by a limiting nut.
7. The towed rapid pavement flatness detecting apparatus of claim 2, wherein the landscape camera includes a monitoring shield and an industrial camera, and is mounted on the top of the vehicle body through a bracket, and a universal joint is connected between the bracket and the landscape camera.
8. The pull-type rapid pavement evenness detecting device according to claim 2 or 7, wherein the landscape camera is triggered by a distance encoder pulse and is used for continuously acquiring information of the pavement.
9. The pull-type rapid pavement evenness detecting device according to claim 1 or 2, wherein a roof door is arranged at the top of the vehicle body;
and/or the storage battery is a 12V storage battery;
and/or the wheels of the trailer are 16 inch tires.
10. The device for detecting the flatness of the pull-type rapid pavement according to claim 1 or 2, wherein the tractor is a moped, an electric bicycle or all vehicles provided with a trailer hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220844056.5U CN217378499U (en) | 2022-04-12 | 2022-04-12 | Pull type rapid pavement flatness detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220844056.5U CN217378499U (en) | 2022-04-12 | 2022-04-12 | Pull type rapid pavement flatness detection device |
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| CN217378499U true CN217378499U (en) | 2022-09-06 |
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| CN202220844056.5U Active CN217378499U (en) | 2022-04-12 | 2022-04-12 | Pull type rapid pavement flatness detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117364584A (en) * | 2023-12-05 | 2024-01-09 | 山西晋北高速公路养护有限公司 | Asphalt surface layer construction quality nondestructive testing device |
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2022
- 2022-04-12 CN CN202220844056.5U patent/CN217378499U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117364584A (en) * | 2023-12-05 | 2024-01-09 | 山西晋北高速公路养护有限公司 | Asphalt surface layer construction quality nondestructive testing device |
| CN117364584B (en) * | 2023-12-05 | 2024-02-23 | 山西晋北高速公路养护有限公司 | Asphalt surface layer construction quality nondestructive testing device |
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