Pavement flatness detection device

Abstract

The utility model relates to a pavement flatness detection device, which belongs to the technical field of detection devices, and comprises a base, the lower surface of the base is provided with a detection port, and the four corners of the lower surface of the base are rotatably connected with wheels. When the pavement flatness detection device is used for detection, firstly, the device is moved to the position of a pavement to be detected through the handle frame, no less than two distance measuring sensors are distributed in an array, and the pavement flatness is detected; the distance measuring sensors in array distribution can be driven by starting the driving motor to adjust the detection angle, when the number of the distance measuring sensors is not less than two, a detection signal is transmitted to the data processing unit to be processed to obtain road surface flatness data, and finally, the data is stored, displayed or transmitted according to needs. Therefore, multidirectional synchronous detection of the same highway engineering pavement can be realized, the detection efficiency is improved, and the labor intensity is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to a road surface flatness detection device. Background Art

[0002] The flatness of the road is one of the important indicators for detecting the quality of road construction. Uneven roads will increase driving resistance and cause additional vibrations to the vehicle. This vibration will cause driving bumps and affect driving speed and safety. The vibration will also exert impact force on the road surface, aggravating damage to the road surface and the car as well as tire wear. Therefore, a detection device is needed to detect the flatness of the road surface.

[0003] For example, Chinese patent CN211947835U discloses a road surface flatness detection device, including a bracket, a detection device for detecting the road surface flatness, and a cleaning device for cleaning the front of the detection device. The detection device includes a detection rod and a detection wheel connected to the detection rod, the detection rod is slidably connected to the bracket, and a cleaning device is provided in the direction of the detection wheel moving forward, and the cleaning device is connected to the bracket; the cleaning device is provided with an arc-shaped brush plate for cleaning debris or sand and gravel. When measuring the road surface flatness, the road surface to be tested is cleaned, which reduces manual labor and improves the work efficiency of the detection.

[0004] Although the above patent cleans the road surface to be tested when measuring the road surface flatness, reducing manual labor and improving the detection efficiency, the detection angle of the detection device in the patent is not easy to adjust, and thus it is not convenient for multi-directional simultaneous detection, which reduces the practicality. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a road surface flatness detection device, which has the advantages of being able to realize fast, efficient, multi-directional synchronous detection of the road surface, improving detection efficiency and accuracy, and solving the problem that the detection angle of the detection device is inconvenient to adjust, and thus is inconvenient for multi-directional synchronous detection, which reduces practicality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a road surface flatness detection device, comprising a base, a detection port is opened on the lower surface of the base, wheels are rotatably connected at the four corners of the lower surface of the base, a handle frame is fixed on the left side of the upper surface of the base, a support frame is fixed on the upper surface of the base, a detection mechanism is provided on the left and right side walls of the inner cavity of the support frame, and a cleaning mechanism is provided on the right side of the support frame;

[0007] The detection mechanism includes two sliding frames, two connecting frames, two support plates, a mounting plate, no less than two ranging sensors, a drive motor and a connecting assembly. The two sliding frames are fixed to the left and right side walls of the inner cavity of the support frame, the connecting frame is slidably connected to the outside of the sliding frame, the opposite sides of the left and right connecting frames are fixedly connected to the opposite sides of the left and right support plates, the left and right sides of the mounting plate are rotatably connected to the opposite sides of the left and right support plates through bearings, the drive motor is fixed to the left side of the left support plate, the outer side of the drive motor output shaft passes through the left support plate and is fixedly connected to the left side of the mounting plate, and no less than two ranging sensors are fixed to the lower surface of the mounting plate.

[0008] By adopting this technical solution, rapid, efficient, and multi-directional synchronous detection of the road surface can be achieved, thereby improving detection efficiency and accuracy.

[0009] Furthermore, the connecting component includes a data processing unit and a first electric push rod, the data processing unit is fixed on the upper surface of the mounting plate, the first electric push rod is fixed on the upper surface of the support frame, the outer side of the output shaft of the first electric push rod passes through the support frame and is fixedly connected to the lower surface of the mounting plate, the outer side of the output shaft of the first electric push rod is slidably connected to the inside of the support frame, and the distance measuring sensors, which are at least two in number, are electrically connected to the data processing unit through wires.

[0010] By adopting this technical solution, no less than two distance measuring sensors can be driven to move up and down by the first electric push rod.

[0011] Furthermore, the connecting frame moves linearly up and down on the outside of the sliding frame, and the opposite sides of the left and right connecting frames are in contact with the left and right side walls of the inner cavity of the support frame.

[0012] By adopting this technical solution, the left and right connecting frames can slide up and down inside the left and right sliding frames.

[0013] Furthermore, the detection port is located on the longitudinal center axis of the base.

[0014] By adopting this technical solution, the flatness of the road surface can be detected through the detection port.

[0015] Furthermore, the cleaning mechanism includes a support frame, a second electric push rod, a frame, a cleaning wheel and a second motor. The support frame is fixed to the right side of the support frame, the second electric push rod is fixed to the upper surface of the support frame, the outer side of the output shaft of the second electric push rod passes through the support frame and extends to the lower side, and the outer side of the output shaft of the second electric push rod is slidably connected to the inside of the support frame.

[0016] By adopting this technical solution, the second motor drives the cleaning wheel to rotate inside the frame.

[0017] Furthermore, the outer side of the second electric push rod output shaft is fixedly connected to the upper surface of the frame, the cleaning wheel is rotatably connected to the inside of the frame through a bearing, the second motor is fixed to the back of the frame, and the outer side of the second motor output shaft passes through the frame and is fixedly connected to the back of the cleaning wheel.

[0018] By adopting this technical solution, the cleaning wheel can clean leaves or other impurities on the road surface.

[0019] Furthermore, the support frame is located on the longitudinal center axis of the base.

[0020] By adopting this technical solution, the stability of the support frame fixed on the base is improved, and the stability of the structure is improved.

[0021] Furthermore, the left and right sliding frames are symmetrically distributed on the left and right sides of the longitudinal center axis of the support frame.

[0022] By adopting this technical solution, the stability of the mounting plate when moving up and down is improved.

[0023] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0024] 1. The road surface flatness detection device, when using the device for detection, first move the device to the position of the road surface to be detected through the handle frame, then, by starting the first electric push rod, drive at least two distance measuring sensors to move up and down and move to keep an appropriate distance from the road surface, and then start the device, at least two distance measuring sensors are distributed in an array, and the road surface flatness is detected. By starting the driving motor, the array-distributed distance measuring sensors can be driven to adjust the detection angle. When at least two distance measuring sensors are detecting, the detection signal is transmitted to the data processing unit for processing to obtain the road surface flatness data. Finally, the data is stored, displayed or transmitted as needed, so that the multi-directional synchronous detection of the same highway engineering road surface can be performed, thereby improving the detection efficiency and reducing the labor intensity.

[0025] 2. When the road surface flatness detection device is detecting on the road surface, the second motor can be started to drive the cleaning wheel to rotate inside the frame, and then the second electric push rod can be started. The outer side of the output shaft of the second electric push rod drives the frame to move downward so that the lower surface of the cleaning wheel contacts the road surface. The second electric push rod is closed, and the rotating cleaning wheel can clean the leaves or other impurities on the road surface to the right, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of the utility model;

[0027] Figure 2 It is a three-dimensional schematic diagram of the support frame of the utility model;

[0028] Figure 3 This is a schematic diagram of the detection mechanism of the utility model;

[0029] Figure 4 It is a schematic diagram of the cleaning mechanism of the utility model.

[0030] In the figure: 1. base; 2. detection port; 3. wheels; 4. handle frame; 5. support frame; 6. detection mechanism; 61. sliding frame; 62. connecting frame; 63. support plate; 64. mounting plate; 65. distance measuring sensor; 66. driving motor; 67. connecting assembly; 671. data processing unit; 672. first electric push rod; 7. cleaning mechanism; 71. support frame; 72. second electric push rod; 73. frame; 74. cleaning wheel; 75. second motor. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] See also Figure 1-2 A road surface flatness detection device in this embodiment includes a base 1, a detection port 2 is opened on the lower surface of the base 1, wheels 3 are rotatably connected at the four corners of the lower surface of the base 1, a handle frame 4 is fixed to the left side of the upper surface of the base 1, a support frame 5 is fixed to the upper surface of the base 1, and detection mechanisms 6 are provided on the left and right side walls of the inner cavity of the support frame 5. The detection mechanism 6 can realize fast, efficient, multi-directional and synchronous detection of the road surface, thereby improving the detection efficiency and accuracy. A cleaning mechanism 7 is provided on the right side of the support frame 5, and the cleaning mechanism 7 can clean leaves or other impurities on the road surface to the right.

[0033] In this embodiment, the detection port 2 is located on the longitudinal center axis of the base 1 , and the support frame 5 is located on the longitudinal center axis of the base 1 .

[0034] See also Figure 3In order to realize fast, efficient and multi-directional synchronous detection of the road surface and improve the detection efficiency and accuracy, in this embodiment, the detection mechanism 6 includes two sliding frames 61, two connecting frames 62, two support plates 63, a mounting plate 64, at least two ranging sensors 65, a driving motor 66 and a connecting assembly 67. The two sliding frames 61 are fixed to the left and right side walls of the inner cavity of the support frame 5, the connecting frame 62 is slidably connected to the outer side of the sliding frame 61, the opposite sides of the left and right connecting frames 62 are fixedly connected to the opposite sides of the left and right support plates 63, the left and right sides of the mounting plate 64 are rotatably connected to the opposite sides of the left and right support plates 63 through bearings, the driving motor 66 is fixed to the left side of the left support plate 63, the outer side of the output shaft of the driving motor 66 passes through the left support plate 63 and is fixedly connected to the left side of the mounting plate 64, and at least two ranging sensors 65 are fixed to the lower surface of the mounting plate 64.

[0035] In this embodiment, the connecting component 67 includes a data processing unit 671 and a first electric push rod 672. The data processing unit 671 is fixed on the upper surface of the mounting plate 64, and the first electric push rod 672 is fixed on the upper surface of the support frame 5. The outer side of the output shaft of the first electric push rod 672 passes through the support frame 5 and is fixedly connected to the lower surface of the mounting plate 64. When using the device for detection, the device is first moved to the road surface position to be detected through the handle frame 4, and then, by starting the first electric push rod 672, the output shaft of the first electric push rod 672 drives no less than two distance measuring sensors 65 to move up and down and move to an appropriate distance from the road surface.

[0036] It should be noted that the outer side of the output shaft of the first electric push rod 672 is slidably connected to the inside of the support frame 5, and at least two ranging sensors 65 are electrically connected to the data processing unit 671 through wires. The connecting frame 62 moves linearly up and down on the outside of the sliding frame 61, and the opposite sides of the left and right connecting frames 62 are in contact with the left and right side walls of the inner cavity of the support frame 5, and the left and right sliding frames 61 are symmetrically distributed on the left and right sides of the longitudinal center axis of the support frame 5.

[0037] It should be noted that at least two ranging sensors 65 are distributed in an array and perform flatness detection on the road surface. By starting the drive motor 66, the array-distributed ranging sensors 65 can be driven to adjust the detection angle. When at least two ranging sensors 65 perform detection, the detection signal is transmitted to the data processing unit 671 for processing to obtain the flatness data of the road surface. Finally, the data is stored, displayed or transmitted as needed, thereby enabling multi-directional synchronous detection of the road surface of the same highway project to improve detection efficiency and reduce labor intensity.

[0038] See also Figure 4In order to clean the leaves or other impurities on the road surface to the right, in this embodiment, the cleaning mechanism 7 includes a support frame 71, a second electric push rod 72, a frame 73, a cleaning wheel 74 and a second motor 75. The support frame 71 is fixed to the right side of the support frame 5, and the second electric push rod 72 is fixed to the upper surface of the support frame 71. The outer side of the output shaft of the second electric push rod 72 passes through the support frame 71 and extends to the lower side. The outer side of the output shaft of the second electric push rod 72 is slidably connected to the inside of the support frame 71. When the device is detecting on the road surface, the second motor 75 can be started, and the outer side of the output shaft of the second motor 75 drives the cleaning wheel 74 to rotate inside the frame 73, and then the second electric push rod 72 is started.

[0039] In this embodiment, the outer side of the output shaft of the second electric push rod 72 is fixedly connected to the upper surface of the frame 73, the cleaning wheel 74 is rotatably connected to the inside of the frame 73 through a bearing, the second motor 75 is fixed to the back side of the frame 73, and the outer side of the output shaft of the second motor 75 passes through the frame 73 and is fixedly connected to the back side of the cleaning wheel 74.

[0040] It should be noted that the outer side of the output shaft of the second electric push rod 72 drives the frame 73 to move downward so that the lower surface of the cleaning wheel 74 contacts the road surface. When the second electric push rod 72 is closed, the rotating cleaning wheel 74 can clean the leaves or other impurities on the road surface to the right, thereby improving practicality.

[0041] The working principle of the above embodiment is:

[0042] (1) When using the device for detection, first move the device to the position of the road surface to be detected through the handle frame 4, then start the first electric push rod 672, the output shaft of the first electric push rod 672 drives at least two distance measuring sensors 65 to move up and down and move to a proper distance from the road surface, and then start the device. At least two distance measuring sensors 65 are distributed in an array and detect the flatness of the road surface. By starting the drive motor 66, the array-distributed distance measuring sensors 65 can be driven to adjust the detection angle. When at least two distance measuring sensors 65 are detecting, the detection signal is transmitted to the data processing unit 671 for processing to obtain the flatness data of the road surface. Finally, the data is stored, displayed or transmitted as needed, so that the same highway engineering road surface can be detected in multiple directions synchronously, thereby improving the detection efficiency and reducing the labor intensity.

[0043] (2) When the device is testing on the road surface, the second motor 75 can be started, and the outer side of the output shaft of the second motor 75 drives the cleaning wheel 74 to rotate inside the frame 73. Then the second electric push rod 72 is started, and the outer side of the output shaft of the second electric push rod 72 drives the frame 73 to move downward so that the lower surface of the cleaning wheel 74 contacts the road surface. The second electric push rod 72 is closed, and the rotating cleaning wheel 74 can clean leaves or other impurities on the road surface to the right, thereby improving practicality.

Claims

1. A road surface flatness detection device, comprising a base (1), characterized in that: The lower surface of the base (1) is provided with a detection port (2), the four corners of the lower surface of the base (1) are rotatably connected to wheels (3), a handle frame (4) is fixed on the left side of the upper surface of the base (1), a support frame (5) is fixed on the upper surface of the base (1), and detection mechanisms (6) are provided on the left and right side walls of the inner cavity of the support frame (5), and a cleaning mechanism (7) is provided on the right side of the support frame (5); The detection mechanism (6) comprises two sliding frames (61), two connecting frames (62), two support plates (63), a mounting plate (64), at least two distance measuring sensors (65), a driving motor (66) and a connecting assembly (67). The two sliding frames (61) are fixed to the left and right side walls of the inner cavity of the support frame (5). The connecting frame (62) is slidably connected to the outer side of the sliding frame (61). The opposite sides of the left and right connecting frames (62) are fixedly connected to the opposite sides of the left and right support plates (63). The left and right sides of the mounting plate (64) are rotatably connected to the opposite sides of the left and right support plates (63) through bearings. The driving motor (66) is fixed to the left side of the left support plate (63). The outer side of the output shaft of the driving motor (66) passes through the left support plate (63) and is fixedly connected to the left side of the mounting plate (64). The at least two distance measuring sensors (65) are fixed to the lower surface of the mounting plate (64).

2. A road surface flatness detection device according to claim 1, characterized in that: The connection assembly (67) comprises a data processing unit (671) and a first electric push rod (672); the data processing unit (671) is fixed to the upper surface of the mounting plate (64); the first electric push rod (672) is fixed to the upper surface of the support frame (5); the outer side of the output shaft of the first electric push rod (672) passes through the support frame (5) and is fixedly connected to the lower surface of the mounting plate (64); the outer side of the output shaft of the first electric push rod (672) is slidably connected to the inside of the support frame (5); and the distance measuring sensors (65) of at least two in number are electrically connected to the data processing unit (671) via wires.

3. A road surface flatness detection device according to claim 1, characterized in that: The connecting frame (62) moves linearly up and down on the outside of the sliding frame (61), and the opposite sides of the left and right connecting frames (62) are in contact with the left and right side walls of the inner cavity of the support frame (5).

4. A road surface flatness detection device according to claim 1, characterized in that: The detection port (2) is located on the longitudinal center axis of the base (1).

5. A road surface flatness detection device according to claim 1, characterized in that: The cleaning mechanism (7) comprises a support frame (71), a second electric push rod (72), a frame (73), a cleaning wheel (74) and a second motor (75); the support frame (71) is fixed to the right side of the support frame (5); the second electric push rod (72) is fixed to the upper surface of the support frame (71); the outer side of the output shaft of the second electric push rod (72) passes through the support frame (71) and extends to the lower side; the outer side of the output shaft of the second electric push rod (72) is slidably connected to the inside of the support frame (71).

6. A road surface flatness detection device according to claim 5, characterized in that: The outer side of the output shaft of the second electric push rod (72) is fixedly connected to the upper surface of the frame (73); the cleaning wheel (74) is rotatably connected to the inside of the frame (73) via a bearing; the second motor (75) is fixed to the back side of the frame (73); the outer side of the output shaft of the second motor (75) passes through the frame (73) and is fixedly connected to the back side of the cleaning wheel (74).

7. A road surface flatness detection device according to claim 1, characterized in that: The support frame (5) is located on the longitudinal center axis of the base (1).

8. A road surface flatness detection device according to claim 1, characterized in that: The left and right sliding frames (61) are symmetrically distributed on the left and right sides of the longitudinal center axis of the support frame (5).

Images