Road gradient measuring device and measuring method thereof

Abstract

The invention relates to the field of road measuring devices, in particular to a road gradient measuring device and a measuring method.The road gradient measuring device comprises a vehicle body and further comprises a measuring box, a storage box is installed at the upper end of the vehicle body, the measuring box is located on the inner side of the storage box, driving wheels are installed at the front end and the rear end of the vehicle body, and the two driving wheels are located on the left side and the right side of the vehicle body; the outer sides of the two driving wheels are connected through a crawler belt, a box cover is installed at the upper end of the storage box, and the front end and the rear end of the measuring box are movably connected with the storage box through lifting assemblies. The measuring device is placed at the slope bottom of the road, the RTK positioning module collects information at different positions of the road through walking of the vehicle body, height information of the multiple positions of the road is obtained, remote control and data wireless transmission are achieved through the wireless module, personnel can conveniently control through terminal equipment, and in the measuring process, the measuring efficiency is improved. And personnel do not need to check and record data information all the time, so that the working intensity is reduced, and the convenience is improved.

Description

Technical Field

[0001] The present invention relates to the field of road measuring devices, and in particular to a road slope measuring device and a measuring method thereof. Background Art

[0002] Road measurement plays a vital role in road design and construction. Road measurement provides accurate data for the plane position, elevation, slope, etc. of the road. These data are crucial to ensuring the safety, comfort and economy of the road. By measuring the slope of the road, the vehicle's ability to drive on the ramp can be evaluated to ensure that the vehicle can pass the ramp safely and smoothly, avoiding vehicle loss of control or accidents caused by steep slopes. Reasonable road slope design can reduce driving resistance, improve driving efficiency, ensure the effectiveness of the drainage system, reduce maintenance and repair work caused by water accumulation, and reduce maintenance costs.

[0003] For example, patent number CN107842050A discloses a manual assisted automatic leveling device for a grader based on GPS-RTK technology. The device uses two left and right blade angle position GPS-RTK sensors installed at the left and right ends of the blade, and a blade inclination sensor installed in the middle of the traction frame to position the blade. With the assistance of the driver, the grader can automatically level the "surface to be leveled" with longitudinal and transverse slopes under manual driving;

[0004] At the same time, for example, patent No. CN107607096A discloses a road slope measuring device, including a base plate, two columns are vertically arranged on the base plate, the tops of the two columns are connected to a cross bar, a clamping mechanism is provided at the bottom of the cross bar, a protractor is clamped in the clamping mechanism, the protractor includes a long plate portion and an arc plate portion, the arc plate portion of the protractor is provided with scale lines, the long plate portion of the protractor is provided with a sleeve, the origin of the protractor is on the axis line of the sleeve, a rotating shaft is installed in the sleeve through a bearing, a nylon rope is arranged in the rotating shaft, the nylon rope is arranged colinearly with the axis line of the rotating shaft, and one end of the nylon rope is connected to a plumb bob. The device has a simple structure and is easy to use. It can quickly measure the slope of the road and is movable. The height of the column can be adjusted to facilitate observation by surveyors. However, the measurement method is physical and requires personnel to check the measuring ruler and record data at all times. The work intensity is high and it is easy to make mistakes, which affects the accuracy of the measurement data. At the same time, it is impossible to know the tilt angle of the measuring device, which makes the measurement of the lateral slope inconvenient and has certain limitations.

[0005] Therefore, in view of the problem that the above-mentioned existing road slope measuring device requires personnel to check the measuring ruler and record data at all times, which has a high workload and is unable to know the tilt angle of the measuring device, thus affecting the accuracy of the measurement data, a road slope measuring device and a measuring method thereof can be designed to increase the convenience of measurement, reduce the workload, ensure the measurement accuracy, and improve the practicality. Summary of the invention

[0006] In order to overcome the problem that the existing road slope measuring device requires personnel to check the measuring ruler and record data at all times, the work intensity is high, and the angle of the measuring device cannot be known, which affects the accuracy of the measurement data.

[0007] The technical scheme of the present invention is: a road slope measuring device, comprising a vehicle body and a measuring box, a storage box is installed on the upper end of the vehicle body, the measuring box is located inside the storage box, driving wheels are installed on both the front and rear ends of the vehicle body, two driving wheels are arranged on the left and right sides of the vehicle body, the outer sides of the two driving wheels are connected by crawlers, a box cover is installed on the upper end of the storage box, the front and rear ends of the measuring box are movably connected to the storage box through a lifting assembly, a fixing plate is installed on the front end of the vehicle body, and a counting assembly is installed on the surface of the fixing plate;

[0008] A control module and a wireless transceiver module are arranged inside the measuring box, an antenna is arranged at the upper end of the measuring box, an RTK positioning module is arranged at the upper end of the measuring box and on the side of the antenna, and a camera is arranged on the side of the surface of the measuring box.

[0009] Preferably, the crawler tracks facilitate the movement of the vehicle body, thereby driving the measuring box to move on the road slope. The RTK positioning module collects information from different locations on the road, records the height information of the adopted points, and uses the counting component to confirm the walking distance, so as to facilitate the same distance of multiple collection points. Then, the multiple collected information is calculated to confirm the road slope. There is no need for personnel to record the measurement position and data at all times. The wireless transceiver module can realize data transmission, which reduces the work intensity and improves practicality.

[0010] Preferably, a wireless control module and a battery module are provided inside the vehicle body, the wireless control module is composed of a communication module and an information processing module, a drive motor is installed at the front end of the vehicle body, a transmission shaft is provided inside the vehicle body, both ends of the transmission shaft are connected to the drive wheels, and the battery module is electrically connected to the drive motor and the wireless control module.

[0011] Preferably, a battery is provided inside the measuring box, and the battery is electrically connected to the control module, the wireless transceiver module, the RTK positioning module, and the camera, and the RTK positioning module is electrically connected to the antenna.

[0012] Preferably, a mounting seat is fixedly mounted on the upper end of the vehicle body, and the upper end of the mounting seat is fixedly connected to the lower end of the storage box.

[0013] Preferably, a lifting seat is fixedly installed at the lower end of the measuring box, the length of the lifting seat is adapted to the storage box, the left end of the box cover is rotatably connected to the left side of the upper end of the storage box, and a fixed top plate is fixedly installed at the upper end of the inner side of the storage box.

[0014] Preferably, two lifting assemblies are symmetrically arranged on both sides of the measuring box, and the lifting assemblies include a screw rod, a servo motor is fixedly installed at the bottom inside the storage box, the output end of the servo motor is fixedly connected to the lower end of the screw rod, the upper end of the screw rod is rotatably connected to the fixed top plate, and guide rods are installed on both sides of the screw rod.

[0015] Preferably, the two screw rods are respectively threadedly connected to the two ends of the lifting seat, the guide rod is slidably connected to the lifting seat, the lower end of the guide rod is fixedly connected to the storage box, and the upper end of the guide rod is fixedly connected to the fixed top plate.

[0016] Preferably, the counting assembly comprises a mounting frame, the mounting frame and the fixing plate are movably connected via a shock absorber, a wheeled distance meter is arranged on the surface of the mounting frame, and the wheeled distance meter and the measuring box are connected via a line.

[0017] A road slope measurement method comprises the following steps:

[0018] S1. Place the test device at the bottom of the road slope, on one side of the road, and record it as point A, with a count of 0;

[0019] S2. Control the vehicle to move along the road, measure the travel distance with a wheeled rangefinder, and set the distance to be collected each time. For example, pause for 5 seconds every 10 meters. The RTK positioning module collects the coordinate information of the location point. The coordinate information includes latitude, longitude, north coordinate, east coordinate and altitude. The travel interval distance is divided according to the overall road length, and the pause time is adjusted according to the time required for the RTK positioning module to collect data. Both the travel distance and the pause time can be set in advance.

[0020] S3. When the measuring device reaches the top of the road slope, the total number of collection points of the RTK positioning module is n. The data is sent to the terminal device by the wireless transceiver module. Based on the collected coordinate data, the wire orientation, wire slant distance and terrain slope angle are determined, and the coordinate wire plan and profile are drawn. The road slope is calculated according to the collection point information. After the multiple collection information is processed and calculated by the information processing module, the ramp data can be obtained, or a graphic curve can be produced;

[0021] S4, taking the measuring device back to the bottom of the road slope, located on the other side of the road, recording it as point B, and resetting the count to zero, to achieve a second measurement, and the second placement location is at a different lateral position;

[0022] S5, repeat step S2, keep the same collection distance, and perform secondary data collection. The distance between the sampling points of the secondary measurement is the same, and the pause time is the same;

[0023] S6. Compare the collected data on both sides through the terminal device, and at the same time compare the height information at the same distance position horizontally to obtain the road transverse slope information.

[0024] Preferably, the terminal device includes a display screen and an input module, and the terminal device is electrically connected to the wireless transceiver module and the communication module. The terminal device is preferably a PC.

[0025] Beneficial effects of the present invention:

[0026] 1. The road slope measuring device and its measuring method place the measuring device at the bottom of the road slope, utilize the movement of the vehicle body, and use the RTK positioning module to collect information at different positions of multiple roads to obtain the height information of multiple positions of the road. The wireless module is used to realize remote control and wireless transmission of data, which is convenient for personnel to control through terminal equipment. During the measurement process, personnel do not need to check and record data information all the time, which reduces the work intensity and improves convenience.

[0027] 2. The road slope measuring device and its measuring method use a camera at the front of the vehicle to facilitate personnel to view road information while the vehicle is moving, thus preventing debris and potholes on the road from affecting the movement of the vehicle and ensuring the accuracy of the measurement data.

[0028] 3. The road slope measuring device and the measuring method thereof utilize a storage box to store and place the measuring box. When not in use, the measuring box is stored in the storage box using a lifting assembly, which is convenient to carry and improves practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 The figure shows the overall structure of the road slope measuring device of the present invention. Figure 1 ;

[0030] Figure 2 The figure shows the overall structure of the road slope measuring device of the present invention. Figure 2 ;

[0031] Figure 3 Shown is a schematic diagram of the body structure of the road slope measuring device of the present invention;

[0032] Figure 4 Shown is a schematic diagram of the internal structure of the storage box of the road slope measuring device of the present invention;

[0033] Figure 5 Shown is a schematic diagram of the structure of a measuring box of a road slope measuring device of the present invention;

[0034] Figure 6 Shown is a schematic diagram of a road slope measuring device of the present invention.

[0035] Explanation of the reference numerals: 1. vehicle body; 11. driving motor; 12. mounting base; 2. measuring box; 21. antenna; 22. RTK positioning module; 23. camera; 201. lifting base; 3. storage box; 31. fixed top plate; 301. screw rod; 302. servo motor; 303. guide rod; 4. driving wheel; 5. crawler track; 6. box cover; 7. fixing plate; 701. mounting frame; 702. shock absorber; 703. wheel rangefinder. DETAILED DESCRIPTION

[0036] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0037] Embodiment 1

[0038] See also Figure 1-Figure 6 The present invention provides an embodiment: a road slope measuring device and a measuring method thereof, comprising a vehicle body 1, and also comprising a measuring box 2, a storage box 3 is installed on the upper end of the vehicle body 1, the measuring box 2 is located on the inner side of the storage box 3, driving wheels 4 are installed at the front and rear ends of the vehicle body 1, a wireless control module and a battery module are arranged inside the vehicle body 1, the wireless control module is composed of a communication module and an information processing module, a driving motor 11 is installed at the front end of the vehicle body 1, a transmission shaft is arranged inside the vehicle body 1, both ends of the transmission shaft are connected to the driving wheels 4, the battery module is electrically connected to the driving motor 11 and the wireless control module, two driving wheels 4 are arranged on the left and right sides of the vehicle body 1, the outer sides of the two driving wheels 4 are connected by crawlers 5, a box cover 6 is installed at the upper end of the storage box 3, the front and rear ends of the measuring box 2 are movably connected to the storage box 3 through a lifting assembly, a fixing plate 7 is installed at the front end of the vehicle body 1, and a counting assembly is installed on the surface of the fixing plate 7;

[0039] A control module and a wireless transceiver module are provided inside the measuring box 2. An antenna 21 is provided at the upper end of the measuring box 2. An RTK positioning module 22 is provided at the upper end of the measuring box 2, which is located on the side of the antenna 21. A camera 23 is provided on the side of the surface of the measuring box 2. The crawler 5 facilitates the movement of the vehicle body 1, thereby driving the measuring box 2 to walk on the road slope. The RTK positioning module 22 collects information from different locations on the road, records the height information of the adopted point, and uses the counting component to confirm the walking distance, so as to facilitate the same distance of multiple collection points. Then, multiple collected information is calculated to confirm the road slope. There is no need for personnel to record the measurement position and data all the time. The wireless transceiver module can realize data transmission, reduce work intensity, and improve practicality.

[0040] See also Figure 6A battery is provided inside the measuring box 2 , and the battery is electrically connected to the control module, the wireless transceiver module, the RTK positioning module 22 , and the camera 23 , and the RTK positioning module 22 is electrically connected to the antenna 21 .

[0041] See also Figure 3 A mounting seat 12 is fixedly mounted on the upper end of the vehicle body 1 , and the upper end of the mounting seat 12 is fixedly connected to the lower end of the storage box 3 .

[0042] See also Figure 4 A lifting seat 201 is fixedly installed at the lower end of the measuring box 2, and the length of the lifting seat 201 is adapted to the storage box 3. The left end of the box cover 6 is rotatably connected to the left side of the upper end of the storage box 3, and a fixed top plate 31 is fixedly installed at the upper end of the inner side of the storage box 3.

[0043] In this embodiment, the measuring box 2 and the vehicle head 1 are both provided with power supplies and wireless components to facilitate independent work and control. The collected information of the RTK positioning module 22 can be remotely sent and received, thereby sending the measurement data to the terminal device for personnel to view and record, thereby improving convenience.

[0044] Embodiment 2

[0045] See also Figure 4 There are two lifting assemblies symmetrically arranged on both sides of the measuring box 2, and the lifting assemblies include a screw rod 301. A servo motor 302 is fixedly installed at the bottom of the inner side of the storage box 3. The output end of the servo motor 302 is fixedly connected to the lower end of the screw rod 301, and the upper end of the screw rod 301 is rotatably connected to the fixed top plate 31. Guide rods 303 are installed on both sides of the screw rod 301.

[0046] See also Figure 4 and Figure 5 The two screw rods 301 are respectively threadedly connected to the two ends of the lifting seat 201, the guide rod 303 is slidably connected to the lifting seat 201, the lower end of the guide rod 303 is fixedly connected to the storage box 3, and the upper end of the guide rod 303 is fixedly connected to the fixed top plate 31.

[0047] In this embodiment, the servo motor 302 is used to drive the screw rod 301 to rotate, and the lifting seat 201 is lifted and lowered in the storage box 3. When working, the measuring box 2 is moved to the outside of the storage box 3 to facilitate work. When not in use, the measuring box 2 is stored in the storage box 3 to achieve protection and facilitate carrying.

[0048] Embodiment 3

[0049] See also Figure 1 and Figure 2The counting assembly includes a mounting frame 701, the mounting frame 701 and the fixing plate 7 are movably connected via a shock absorber 702, a wheeled distance meter 703 is arranged on the surface of the mounting frame 701, and the wheeled distance meter 703 and the measuring box 2 are connected via a line.

[0050] The present invention provides a method for measuring the slope of a road, comprising the following steps:

[0051] S1. Place the test device at the bottom of the road slope, on one side of the road, and record it as point A, with a count of 0;

[0052] S2, control the vehicle body to walk along the road, the wheeled rangefinder 703 measures the walking distance, and sets the distance collected each time it walks, such as pausing for 5 seconds every 10 meters, and the RTK positioning module 22 collects the coordinate information of the position point, and the coordinate information includes latitude, longitude, north coordinate, east coordinate and altitude;

[0053] S3, when the measuring device walks to the top of the road slope, the total number of collection points of the RTK positioning module 22 is n, and the data is sent to the terminal device by the wireless transceiver module. Based on the collected coordinate data, the wire direction, wire slant distance and terrain slope angle are determined, and the coordinate wire plan and profile are drawn, and the road slope is calculated according to the collection point information;

[0054] S4, retrieving the measuring device to the bottom of the road slope, located on the other side of the road, recording it as point B, and resetting the count to zero;

[0055] S5, repeat step S2, keep the collection distance the same, and perform secondary data collection;

[0056] S6. Compare the collected data on both sides through the terminal device, and at the same time compare the height information at the same distance position horizontally to obtain the road transverse slope information.

[0057] See also Figure 6 The terminal device includes a display screen and an input module, and the terminal device is electrically connected to the wireless transceiver module and the communication module.

[0058] In this embodiment, the vehicle head 1 is used to drive the measuring box 2 to move and walk on the road to be measured, and the RTK positioning module 22 collects multi-point information to facilitate the calculation of the corresponding slope and confirm the slope between different positions, thereby improving practicality.

[0059] During work, the measuring device is first placed on one side of the bottom of the road slope, and the servo motor 302 drives the screw rod 301 to rotate, while the lifting seat 201 moves up and down in the storage box 3, and the measuring box 2 moves to the outside of the storage box 3. The camera 23 can detect the road surface information and connect with the terminal device through the wireless transceiver module, which is convenient for personnel to remotely control and view, avoid the debris and potholes on the road affecting the walking of the vehicle body 1, and ensure the accuracy of the measurement data. During the measurement process, the wheeled rangefinder 703 confirms the walking distance of the vehicle body 1, and then divides it into multiple collection points according to the length of the road. When the vehicle body 1 walks to each collection point, it pauses for a while to facilitate the RTK positioning module 22 to collect the road height information. When the vehicle body 1 walks to the top of the road slope, the slope data can be calculated through the information of multiple collection points, and there is no need for personnel to observe and record data all the time, which improves convenience.

[0060] Through the above steps, the RTK positioning module 22 collects information from different locations on the road, records the height information of the adopted point, and uses the counting component to confirm the walking distance, which is convenient for the distance of multiple collection points to be the same. Then, the multiple collected information is calculated to confirm the road slope. There is no need for personnel to record the measurement position and data all the time. The wireless transceiver module can realize data transmission, reduce work intensity, and improve practicality, so as to solve the problem that the existing road slope measurement device requires personnel to check the measuring ruler and record data all the time, the work intensity is high, and the angle of the measuring device cannot be known, which affects the accuracy of the measurement data.

[0061] The above are only preferred embodiments of the present invention. It should be noted that the above preferred embodiments should not be regarded as limiting the present invention, and the protection scope of the present invention should be based on the scope defined by the claims. For ordinary technicians in this technical field, several improvements and modifications can be made without departing from the spirit and scope of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A road slope measuring device, comprising a vehicle body (1), characterized in that: It also includes a measuring box (2), a storage box (3) is installed at the upper end of the vehicle body (1), the measuring box (2) is located inside the storage box (3), driving wheels (4) are installed at the front and rear ends of the vehicle body (1), two driving wheels (4) are arranged on the left and right sides of the vehicle body (1), the outer sides of the two driving wheels (4) are connected by a crawler (5), a box cover (6) is installed at the upper end of the storage box (3), the front and rear ends of the measuring box (2) are movably connected to the storage box (3) by a lifting component, and a fixing plate (7) is installed at the front end of the vehicle body (1), and a counting component is installed on the surface of the fixing plate (7); A control module and a wireless transceiver module are arranged inside the measuring box (2); an antenna (21) is arranged at the upper end of the measuring box (2); an RTK positioning module (22) is arranged at the upper end of the measuring box (2) and on the side of the antenna (21); and a camera (23) is arranged on the side of the surface of the measuring box (2).

2. A road slope measuring device according to claim 1, characterized in that: A wireless control module and a battery module are arranged inside the vehicle body (1), the wireless control module is composed of a communication module and an information processing module, a driving motor (11) is installed at the front end of the vehicle body (1), a transmission shaft is arranged inside the vehicle body (1), both ends of the transmission shaft are connected to the driving wheel (4), and the battery module is electrically connected to the driving motor (11) and the wireless control module.

3. A road slope measuring device according to claim 1, characterized in that: A storage battery is arranged inside the measuring box (2); the storage battery is electrically connected to the control module, the wireless transceiver module, the RTK positioning module (22), and the camera (23); and the RTK positioning module (22) is electrically connected to the antenna (21).

4. A road slope measuring device according to claim 1, characterized in that: A mounting seat (12) is fixedly mounted on the upper end of the vehicle body (1), and the upper end of the mounting seat (12) is fixedly connected to the lower end of the storage box (3).

5. A road slope measuring device according to claim 1, characterized in that: A lifting seat (201) is fixedly mounted on the lower end of the measuring box (2); the length of the lifting seat (201) is adapted to the storage box (3); the left end of the box cover (6) is rotatably connected to the left side of the upper end of the storage box (3); and a fixed top plate (31) is fixedly mounted on the upper end of the inner side of the storage box (3).

6. A road slope measuring device according to claim 5, characterized in that: Two lifting assemblies are symmetrically arranged on both sides of the measuring box (2), and the lifting assemblies include a screw rod (301). A servo motor (302) is fixedly installed at the bottom of the inner side of the storage box (3). The output end of the servo motor (302) is fixedly connected to the lower end of the screw rod (301), the upper end of the screw rod (301) is rotatably connected to the fixed top plate (31), and guide rods (303) are installed on both sides of the screw rod (301).

7. A road slope measuring device according to claim 6, characterized in that: The two screw rods (301) are respectively threadedly connected to the two ends of the lifting seat (201), the guide rod (303) is slidably connected to the lifting seat (201), the lower end of the guide rod (303) is fixedly connected to the storage box (3), and the upper end of the guide rod (303) is fixedly connected to the fixed top plate (31).

8. A road slope measuring device according to claim 1, characterized in that: The counting assembly comprises a mounting frame (701), the mounting frame (701) and the fixing plate (7) are movably connected via a shock absorber (702), a wheeled distance meter (703) is arranged on the surface of the mounting frame (701), and the wheeled distance meter (703) and the measuring box (2) are connected via a line.

9. A road slope measurement method according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1. Place the test device at the bottom of the road slope, on one side of the road, and record it as point A, with a count of 0; S2, control the vehicle body to move along the road, the wheeled rangefinder (703) measures the travel distance, and sets the distance collected each time it travels, such as pausing for 5 seconds every 10 meters, and the RTK positioning module (22) collects the coordinate information of the position point, the coordinate information including latitude, longitude, north coordinate, east coordinate and altitude; S3, when the measuring device moves to the top of the road slope, the total number of collection points of the RTK positioning module (22) is n, and the data is sent to the terminal device by the wireless transceiver module. Based on the collected coordinate data, the wire direction, wire slant distance and terrain slope angle are determined, and the coordinate wire plan and profile are drawn, and the road slope is calculated according to the collection point information; S4, retrieving the measuring device to the bottom of the road slope, located on the other side of the road, recording it as point B, and resetting the count to zero; S5, repeat step S2, keep the collection distance the same, and perform secondary data collection; S6. Compare the collected data on both sides through the terminal device, and at the same time compare the height information at the same distance position horizontally to obtain the road transverse slope information.

10. A road slope measurement method according to claim 9, characterized in that: The terminal device comprises a display screen and an input module, and the terminal device is electrically connected to the wireless transceiver module and the communication module.

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