Pavement depth measuring device based on 3D scanning

Abstract

The utility model discloses a road surface depth measuring device based on 3D scanning, comprising a mounting rack, two sides of the upper end of the mounting rack are both fixedly provided with columns, a guide rail rack is fixedly arranged between the two columns, the guide rail rack is sleeved with a scanner body, the scanner body is slidably connected with the guide rail rack, and the scanner body is provided with a camera. The device comprises a scanner body, a probe is arranged at the bottom of the scanner body, a movable block is arranged above the scanner body, and the movable block is fixedly connected with the scanner body through a connecting plate. The construction depth of the road surface can be rapidly obtained by dividing the volume value by the area value, compared with a traditional sand paving method, the method is more efficient and accurate, meanwhile, due to operation convenience, multiple sets of data can be measured from different positions of the road surface in a short time, and therefore the accuracy of the data is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of road depth measurement, in particular to a road depth measurement device based on 3D scanning. Background Art

[0002] The structural depth of the road surface was formerly called the texture depth, which is an important indicator of road roughness. It refers to the average depth of the open pores on the uneven road surface of a certain area. It is mainly used to evaluate the macro-roughness, drainage performance and skid resistance of the road surface.

[0003] The traditional measurement method usually uses the sand spreading method, which is to spread a known volume of sand on the surface of the road to be tested. A certain area is filled with gravel in the road pores, and then the area is measured. The ratio of the volume of sand to the area of ​​sand laying is the construction depth. This is the most basic and most commonly used method in engineering, but this method is cumbersome to operate, inefficient, and has poor accuracy. To this end, a road depth measurement device based on 3D scanning is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a road surface depth measurement device based on 3D scanning to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a road depth measuring device based on 3D scanning, comprising a mounting frame, columns are fixedly installed on both sides of the upper end of the mounting frame, a guide rail frame is fixedly installed between the two columns, a slider is sleeved on the guide rail frame, the slider is slidably connected to the guide rail frame, a scanner body is arranged at the bottom of the slider, a movable block is arranged above the slider, the movable block is fixedly connected to the slider through a connecting plate, and the movable block is connected to the column through an adjustment mechanism.

[0006] As a further preferred embodiment of the present technical solution, four running wheels are arranged at the bottom of the mounting frame, and the four running wheels are distributed at four corners of the bottom of the mounting frame.

[0007] As a further preferred embodiment of the present technical solution, the adjusting mechanism is composed of a lead screw, a motor and a fixed vertical plate, the upper ends of the two columns are fixedly connected to the fixed vertical plates, a lead screw is rotatably connected between the two fixed vertical plates, the lead screw passes through the movable block and is connected to the movable block by threaded fitting, a motor is fixedly mounted on the side wall of the fixed vertical plate No. 1, and the output shaft of the motor is fixedly connected to the shaft end of the lead screw.

[0008] As a further preferred embodiment of the present technical solution, a protective plate is provided below the scanner body, and two ends of the protective plate are respectively fixedly connected to the side walls of the two columns.

[0009] As a further preferred embodiment of the present technical solution, two through slots are provided on the protective plate, and the width of the through slots is equal to the diameter of the scanner body probe.

[0010] As a further preferred embodiment of the present technical solution, protective side plates are fixedly connected to both sides of the upper end of the protective plate.

[0011] As a further preferred embodiment of the present technical solution, a handle is fixedly mounted on the upper end of the mounting frame, and the outer surface of the handle is frosted.

[0012] The utility model provides a road surface depth measurement device based on 3D scanning, which has the following beneficial effects:

[0013] The utility model can quickly measure the total volume of open pores in the uneven road surface within a certain area through the scanner body, and the structural depth of the road surface can be quickly obtained by dividing the volume value by the area value. Compared with the traditional sand laying method, it is more efficient and accurate. At the same time, due to its convenient operation, multiple groups of data can be measured from different positions of the road surface in a short time, thereby further improving the accuracy of the data. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the disassembly of the overall structure of the utility model;

[0016] Figure 3 For this utility model Figure 1 The structural diagram of A in the figure;

[0017] Figure 4 It is a structural schematic diagram of the protective plate in the utility model;

[0018] In the figure: 1. mounting frame; 2. walking wheel; 3. handle; 4. column; 5. lead screw; 6. motor; 7. protective plate; 8. slider; 9. guide frame; 10. movable block; 11. scanner body; 12. through slot; 13. protective side plate; 14. connecting plate; 15. fixed vertical plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] The utility model provides a technical solution: Figures 1 to 4As shown, in this embodiment, a road depth measuring device based on 3D scanning includes a mounting frame 1, four running wheels 2 are arranged at the bottom of the mounting frame 1, and the four running wheels 2 are distributed at four corners of the bottom of the mounting frame 1, columns 4 are fixedly installed on both sides of the upper end of the mounting frame 1, a guide frame 9 is fixedly installed between the two columns 4, a slider 8 is sleeved on the guide frame 9, and the slider 8 is slidably connected to the guide frame 9, a scanner body 11 is arranged at the bottom of the slider 8, a movable block 10 is arranged above the slider 8, the movable block 10 is fixedly connected to the slider 8 through a connecting plate 14, and the movable block 10 is connected to the column 4 through an adjustment mechanism.

[0021] Among them, the adjustment mechanism is composed of a screw 5, a motor 6 and a fixed vertical plate 15. The upper ends of the two columns 4 are fixedly connected with the fixed vertical plates 15. The screw 5 is rotatably connected between the two fixed vertical plates 15. The screw 5 passes through the movable block 10 and is connected to the movable block 10 through threaded cooperation. The motor 6 is fixedly installed on the side wall of the No. 1 fixed vertical plate 15, and the output shaft of the motor 6 is fixedly connected to the shaft end of the screw 5.

[0022] When in use, the motor 6 is started to drive the lead screw 5 to rotate, thereby controlling the movable block 10 to move along the axial direction of the lead screw 5 .

[0023] A protective plate 7 is disposed below the scanner body 11 , and two ends of the protective plate 7 are fixedly connected to the side walls of the two columns 4 .

[0024] The protective plate 7 can be provided to protect the scanner body 11 and prevent the scanner body 11 from being damaged by external collision.

[0025] The protective plate 7 is provided with two through slots 12 , the width of which is equal to the diameter of the probe of the scanner body 11 , and protective side plates 13 are fixedly connected to both sides of the upper end of the protective plate 7 .

[0026] The scanner body 11 can be accommodated by the through slot 12 to prevent the protection plate 7 from covering the scanner body 11 , and the two sides of the scanner body 11 can be protected by the protection side plates 13 .

[0027] A handle 3 is fixedly mounted on the upper end of the mounting frame 1 , and the outer surface of the handle 3 is frosted.

[0028] The handle 3 is provided to facilitate the staff to move the device, and the outer surface of the handle 3 is frosted to increase the friction between the staff's hand and the handle 3.

[0029] The utility model provides a road surface depth measurement device based on 3D scanning, and the specific working principle is as follows:

[0030] When in use, the device is pushed to the road surface to be measured, and the scanner body 11 is controlled to move from one end of the guide frame 9 to the other end. The scanning range of the scanner body 11 is known, and the moving distance of the scanner body 11 is also known, so the total area of ​​the road scanned by the scanner body 11 can be calculated. The total volume of the open pores on the uneven road surface that can be measured by the scanner body 11 can be divided by the total area to quickly obtain the structural depth of the road surface. After a set of data is measured, the device can be continuously moved to other positions on the road surface, and then the data can be measured in the above manner to quickly obtain multiple sets of data, thereby ensuring the accuracy of the data.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A road surface depth measurement device based on 3D scanning, comprising a mounting frame (1), characterized in that: A column (4) is fixedly mounted on both sides of the upper end of the mounting frame (1); a guide rail frame (9) is fixedly mounted between the two columns (4); a slider (8) is sleeved on the guide rail frame (9); the slider (8) is slidably connected to the guide rail frame (9); a scanner body (11) is arranged at the bottom of the slider (8); a movable block (10) is arranged above the slider (8); the movable block (10) is fixedly connected to the slider (8) via a connecting plate (14); and the movable block (10) is connected to the column (4) via an adjusting mechanism.

2. The road surface depth measurement device based on 3D scanning according to claim 1, characterized in that: Four running wheels (2) are arranged at the bottom of the mounting frame (1), and the four running wheels (2) are distributed at four corners of the bottom of the mounting frame (1).

3. The road surface depth measurement device based on 3D scanning according to claim 1, characterized in that: The adjustment mechanism is composed of a lead screw (5), a motor (6) and a fixed vertical plate (15); the upper ends of the two columns (4) are fixedly connected to the fixed vertical plates (15); a lead screw (5) is rotatably connected between the two fixed vertical plates (15); the lead screw (5) passes through the movable block (10) and is connected to the movable block (10) by threaded engagement; a motor (6) is fixedly installed on the side wall of one of the fixed vertical plates (15); and the output shaft of the motor (6) is fixedly connected to the shaft end of the lead screw (5).

4. The road surface depth measurement device based on 3D scanning according to claim 1, characterized in that: A protective plate (7) is arranged below the scanner body (11), and two ends of the protective plate (7) are respectively fixedly connected to the side walls of the two columns (4).

5. The road surface depth measurement device based on 3D scanning according to claim 4, characterized in that: The protective plate (7) is provided with two through slots (12), and the width of the through slots (12) is equal to the diameter of the probe of the scanner body (11).

6. The road surface depth measurement device based on 3D scanning according to claim 4, characterized in that: Protective side plates (13) are respectively fixedly connected to both sides of the upper end of the protective plate (7).

7. The road surface depth measurement device based on 3D scanning according to claim 1, characterized in that: A handle (3) is also fixedly mounted on the upper end of the mounting frame (1), and the outer surface of the handle (3) is frosted.

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