Road and bridge flatness detection device

Abstract

The utility model relates to the technical field of flatness detection, in particular to a road and bridge flatness detection device which comprises a spherical sleeve, a rolling ball is connected in the spherical sleeve in a rolling mode, a plurality of telescopic rods are fixedly connected to the outer side of the top of the rolling ball, and laser range finders are fixedly connected to the ends of the telescopic rods. The bottom of the rolling ball is fixedly connected with a gravity cone, and the outer side of the spherical sleeve is fixedly connected with a plurality of supporting plates. Compared with the prior art, the laser distance measuring device has the advantages that the rolling ball with the gravity cone is arranged in the spherical sleeve, so that when the device is placed on a road and bridge pavement to be detected, the rolling ball rotates in the spherical sleeve under the gravity action of the gravity cone, the telescopic rod is adjusted to be in a horizontal state, and the detection end of the laser distance measuring instrument is vertically downward; when the road surface flatness is not uniform, all the telescopic rods can be located on the same horizontal plane, and whether the road surface is flat or not and the flatness degree are judged according to whether the distances, detected by all the laser range finders, of the road surface are consistent or not.

Description

Technical Field

[0001] The utility model relates to the technical field of flatness detection, in particular to a flatness detection device for roads and bridges. Background Art

[0002] The flatness detection device for roads and bridges is an important tool in the field of road construction technology. Flatness is one of the important indicators to measure the quality of road and bridge projects. Through the flatness detection device, the flatness of the road or bridge surface can be accurately measured, so as to ensure that the project quality meets the design requirements, which is of great significance for improving road driving safety and extending service life. The existing flatness detection devices for roads and bridges generally need to be placed on the road surface for detection. If the flatness of the road surface itself is not good, it will affect the detection accuracy of the device. Content of the Utility Model

[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a flatness detection device for roads and bridges, effectively solving the deficiencies of the prior art.

[0004] The purpose of the utility model is realized through the following technical solutions: a flatness detection device for roads and bridges, including a spherical sleeve, inside which a rolling ball is rotatably connected. A plurality of telescopic rods are fixedly connected to the outer side of the top of the rolling ball, and laser rangefinders are fixedly connected to the ends of the telescopic rods. A gravity cone is fixedly connected to the bottom of the rolling ball, and a plurality of support plates are fixedly connected to the outer side of the spherical sleeve.

[0005] Optionally, both the top and the bottom of the spherical sleeve are in an open state. The friction coefficient between the rolling ball and the spherical sleeve is less than 0.5, and the axis of the gravity cone is parallel to the detection end direction of the laser rangefinder.

[0006] By adopting the above technical solutions: by arranging a rolling ball with a gravity cone inside the spherical sleeve, when the device is placed on the road and bridge surface to be detected, under the action of the gravity of the gravity cone, the rolling ball rotates inside the spherical sleeve, the telescopic rods are adjusted to a horizontal state, and the detection ends of the laser rangefinders are vertically downward. When the road surface flatness is uneven, each telescopic rod can be in the same horizontal plane, and whether the distances of the road surface detected by each laser rangefinder are the same is used to judge whether the road surface is flat and the degree of flatness, accurately detecting the flatness of the horizontal road surface, and avoiding the situation that the inclination of the detection device caused by the uneven surface of the horizontal road surface affects the flatness detection accuracy.

[0007] Optionally, the telescopic rod is an electric push rod, and the telescopic movements of the telescopic rods are synchronous.

[0008] Adopt the above technical solution: By arranging an electric push rod between the rolling ball and the laser rangefinder, it can drive the laser rangefinder to extend outward to adjust the detection position, so as to perform flatness detection on all the covered ranges where the laser rangefinder moves, improving the flatness detection range of the device. And the synchronous telescoping of the telescopic rods can make the acting forces of the telescopic rods on the rolling ball in all directions the same, so that the telescopic rods maintain a horizontal state during the telescoping process to detect the flatness of the horizontal road surface, avoiding the situation that the rolling ball tilts due to uneven force caused by inconsistent lengths of the telescopic rods, which affects the detection accuracy.

[0009] Optionally, one side of the spherical sleeve is fixedly connected with a flatness detection control mid-end, and the flatness detection control mid-end is electrically connected to both the telescopic rod and the laser rangefinder.

[0010] Adopt the above technical solution: By arranging a flatness detection control mid-end on the spherical sleeve, it can control the telescopic rod and the laser rangefinder, and receive and sort out the distance information detected by the laser rangefinder, so as to judge the flatness of the road surface within the coverage range of the laser detector.

[0011] Optionally, the support plates are annularly and equidistantly distributed on the outside of the spherical sleeve, and the bottom height of the support plates is lower than the bottom height of the gravity cone.

[0012] Adopt the above technical solution: By arranging support plates on the outside of the spherical sleeve, it can support with the ground to place the device on the horizontal road surface of the road bridge, so as to detect and measure the flatness of the road surface.

[0013] Optionally, the bottom of the support plate is in a horizontal state, circular grooves are respectively opened at the bottoms of the support plates, and suction cups are fixedly connected in the circular grooves.

[0014] Adopt the above technical solution: By arranging suction cups at the bottom of the support plate, after placing the detection device on the ground and pressing it down, the suction cups are adsorbed on the horizontal road surface of the road bridge, so as to adsorb and fix the device on the road surface, improving its stability during flatness detection, and avoiding interference with the detection results of the detection device caused by factors such as road surface vibration or strong wind during detection.

[0015] The utility model has the following advantages:

[0016] 1. The road and bridge flatness detection device is equipped with a rolling ball with a gravity cone inside the spherical sleeve. When the device is placed on the road and bridge pavement to be detected, the rolling ball rotates inside the spherical sleeve under the gravity of the gravity cone. The telescopic rod is adjusted to a horizontal state, and the detection end of the laser rangefinder is vertically downward. When the pavement flatness is uneven, each telescopic rod can be in the same horizontal plane. Whether the distances of the road surface detected by each laser rangefinder are consistent is used to judge whether the road surface is flat and the degree of flatness, so as to accurately detect the flatness of the horizontal road surface and avoid the situation that the inclination of the detection device caused by the uneven surface of the horizontal road affects the flatness detection accuracy.

[0017] 2. The road and bridge flatness detection device is equipped with an electric push rod between the rolling ball and the laser rangefinder, which can drive the laser rangefinder to extend outward to adjust the detection position, so as to detect the flatness within the coverage range of the movement of the laser rangefinder, improving the flatness detection range of the device. And the synchronous telescoping of the telescopic rods can make the acting forces of the telescopic rods on the rolling ball in each direction the same, so that the telescopic rods maintain a horizontal state during the telescoping process to detect the flatness of the horizontal road surface, avoiding the situation that the uneven length of the telescopic rods causes the rolling ball to be unevenly stressed and tilted, which affects the detection accuracy. By setting a flatness detection control terminal on the spherical sleeve, it controls the telescopic rods and the laser rangefinder, and receives and arranges the distance information detected by the laser rangefinder, so as to judge the flatness of the road surface within the coverage range of the laser detector.

[0018] 3. The road and bridge flatness detection device is equipped with a support plate on the outside of the spherical sleeve, which can support with the ground to place the device on the horizontal road surface of the road and bridge, so as to detect and measure the flatness of the road surface. By setting a suction cup at the bottom of the support plate, after placing the detection device on the ground and pressing down, the suction cup adsorbs on the horizontal road surface of the road and bridge, thus adsorbing and fixing the device on the road surface, improving its stability during flatness detection and avoiding interference from factors such as road surface vibration or strong wind on the detection results of the detection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the present invention;

[0020] Figure 2 is the Figure 1 enlarged structural diagram at A in the present invention;

[0021] Figure 3 is a schematic bottom view structural diagram of the present invention;

[0022] Figure 4 is a schematic cross-sectional structural diagram of the present invention;

[0023] Figure 5 The enlarged structural schematic diagram of part B in the present utility model Figure 4 ;

[0024] Figure 6 The enlarged structural schematic diagram of part C in the present utility model Figure 4 ;

[0025] In the figure: 1 - spherical sleeve, 2 - rolling ball, 3 - telescopic rod, 4 - laser rangefinder, 5 - gravity cone, 6 - support plate, 7 - flatness detection and control middle end, 8 - circular groove, 9 - suction cup. Specific embodiments

[0026] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present utility model, and should not be construed as limiting the present utility model.

[0027] As Figures 1 to 6 shown, a road and bridge flatness detection device includes a spherical sleeve 1. A rolling ball 2 is rotatably connected inside the spherical sleeve 1. A plurality of telescopic rods 3 are fixedly connected to the outer side of the top of the rolling ball 2. Laser rangefinders 4 are fixedly connected to the ends of the telescopic rods 3. A gravity cone 5 is fixedly connected to the bottom of the rolling ball 2. A plurality of support plates 6 are fixedly connected to the outer side of the spherical sleeve 1.

[0028] Embodiment 1: Both the top and bottom of the spherical sleeve 1 are in an open state. The friction coefficient between the rolling ball 2 and the spherical sleeve 1 is less than 0.5. The axis of the gravity cone 5 is parallel to the detection end direction of the laser rangefinder 4. By arranging the rolling ball 2 with the gravity cone 5 inside the spherical sleeve 1, when the device is placed on the road and bridge pavement to be detected, under the action of the gravity of the gravity cone 5, the rolling ball 2 rotates inside the spherical sleeve 1, adjusts the telescopic rods 3 to a horizontal state, and makes the detection end of the laser rangefinder 4 vertically downward. When the road surface flatness is uneven, it can make each telescopic rod 3 in the same horizontal plane, and judge whether the road surface is flat and the degree of flatness according to whether the distances of the road surface detected by each laser rangefinder 4 are the same, accurately detect the flatness of the horizontal road surface, and avoid the situation that the inclination of the detection device caused by the uneven surface of the horizontal road surface affects the flatness detection accuracy.

[0029] Embodiment 2: The telescopic rod 3 is an electric push rod, and the telescopic movements of the telescopic rods 3 are synchronized. By arranging an electric push rod between the rolling ball 2 and the laser rangefinder 4, it can drive the laser rangefinder 4 to extend outward to adjust the detection position, so as to perform flatness detection on the entire coverage range where the laser rangefinder 4 moves, improving the flatness detection range of the device. Moreover, the synchronized telescopic movement of the telescopic rods 3 can make the acting forces of the telescopic rods 3 on the rolling ball 3 in each direction the same, so that the telescopic rods 3 maintain a horizontal state during the telescopic process to detect the flatness of the horizontal road surface, avoiding the situation that the rolling ball 2 is tilted due to uneven forces on the telescopic rods 3 with inconsistent lengths, which affects the detection accuracy.

[0030] Embodiment 3: One side of the spherical sleeve 1 is fixedly connected with a flatness detection control mid-end 7, and the flatness detection control mid-end 7 is electrically connected to both the telescopic rod 3 and the laser rangefinder 4. By arranging the flatness detection control mid-end 7 on the spherical sleeve 1, it can control the telescopic rod 3 and the laser rangefinder 4, and receive and sort out the distance information detected by the laser rangefinder 4, so as to judge the flatness of the road surface within the coverage range of the laser detector 4.

[0031] Embodiment 4: The support plates 6 are annularly and equidistantly distributed on the outside of the spherical sleeve 1, and the bottom height of the support plates 6 is lower than the bottom height of the gravity cone 5. By arranging the support plates 6 on the outside of the spherical sleeve 1, it can support with the ground to place the device on the horizontal road surface of the road bridge, so as to detect and measure the flatness of the road surface.

[0032] Embodiment 5: The bottom of the support plate 6 is in a horizontal state, and circular grooves 8 are respectively opened at the bottom of the support plates 6, and suction cups 9 are fixedly connected in the circular grooves 8. By arranging the suction cups 9 at the bottom of the support plates 6, after placing the detection device on the ground and pressing down, the suction cups 9 are adsorbed on the horizontal road surface of the road bridge, so as to adsorb and fix the device on the road surface, improving its stability during flatness detection, and avoiding interference from factors such as road surface vibration or strong wind on the detection results of the detection device during detection.

[0033] The working principle of the present utility model is as follows:

[0034] S1. A rolling ball 2 with a gravity cone 5 is arranged inside the spherical sleeve 1. When the device is placed on the road bridge road surface to be detected, under the action of the gravity of the gravity cone 5, the rolling ball 2 rotates inside the spherical sleeve 1, adjusts the telescopic rod 3 to a horizontal state, and makes the detection end of the laser rangefinder 4 vertically downward. When the road surface flatness is uneven, each telescopic rod 3 can be in the same horizontal plane, and it is judged whether the road surface is flat and the degree of flatness by whether the distances of the road surface detected by each laser rangefinder 4 are the same, accurately detecting the flatness of the horizontal road surface, and avoiding the situation that the detection device is tilted due to the uneven surface of the horizontal road surface, which affects the flatness detection accuracy.

[0035] S2. An electric push rod is arranged between the rolling ball 2 and the laser rangefinder 4, enabling it to drive the laser rangefinder 4 to extend outward to adjust the detection position, so as to perform flatness detection on all areas covered by the movement of the laser rangefinder 4, improving the flatness detection range of the device. Moreover, the synchronous expansion and contraction of the telescopic rod 3 can make the acting forces of the telescopic rod 3 on the rolling ball 3 in all directions the same, so that the telescopic rod 3 maintains a horizontal state during the expansion and contraction process to detect the flatness of the horizontal road surface, avoiding the situation that the rolling ball 2 is tilted due to uneven forces on the telescopic rod 3 caused by inconsistent lengths of the telescopic rod 3, which affects the detection accuracy.

[0036] Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:

[0037] 1. For this road and bridge flatness detection device, by arranging a rolling ball 2 with a gravity cone 5 inside the spherical sleeve 1, when the device is placed on the road and bridge surface to be detected, under the gravity of the gravity cone 5, the rolling ball 2 rotates inside the spherical sleeve 1, adjusting the telescopic rod 3 to a horizontal state and making the detection end of the laser rangefinder 4 vertically downward. When the road surface flatness is uneven, each telescopic rod 3 can be in the same horizontal plane, and it is determined whether the road surface is flat and the degree of flatness by whether the distances of the road surface detected by each laser rangefinder 4 are the same, accurately detecting the flatness of the horizontal road surface and avoiding the situation that the detection device is tilted due to the uneven surface of the horizontal road surface, which affects the flatness detection accuracy.

[0038] 2. For this road and bridge flatness detection device, by arranging an electric push rod between the rolling ball 2 and the laser rangefinder 4, enabling it to drive the laser rangefinder 4 to extend outward to adjust the detection position, so as to perform flatness detection on all areas covered by the movement of the laser rangefinder 4, improving the flatness detection range of the device. Moreover, the synchronous expansion and contraction of the telescopic rod 3 can make the acting forces of the telescopic rod 3 on the rolling ball 3 in all directions the same, so that the telescopic rod 3 maintains a horizontal state during the expansion and contraction process to detect the flatness of the horizontal road surface, avoiding the situation that the rolling ball 2 is tilted due to uneven forces on the telescopic rod 3 caused by inconsistent lengths of the telescopic rod 3, which affects the detection accuracy. By arranging a flatness detection control middle end 7 on the spherical sleeve 1, it controls the telescopic rod 3 and the laser rangefinder 4, and receives and arranges the distance information detected by the laser rangefinder 4, so as to judge the flatness situation of the road surface within the coverage range of the laser detector 4.

[0039] 3. For this road and bridge flatness detection device, by arranging a support plate 6 on the outer side of the spherical sleeve 1, it can be supported by the ground to place the device on the horizontal road surface of the road and bridge, so as to detect and measure the flatness of the road surface. By arranging a suction cup 9 at the bottom of the support plate 6, after placing the detection device on the ground, press it downwards to make the suction cup 9 adsorb on the horizontal road surface of the road and bridge, thereby adsorbing and fixing the device on the road surface, improving its stability during flatness detection, and avoiding interference with the detection results of the detection device caused by factors such as road surface vibration or strong wind during detection.

Claims

1. A road and bridge flatness detection device, characterized in that: It includes a spherical sleeve (1), inside which a rolling ball (2) is connected in a rolling manner. A number of telescopic rods (3) are fixedly connected to the outer side of the top of the rolling ball (2), and laser rangefinders (4) are fixedly connected to the ends of the telescopic rods (3). A gravity cone (5) is fixedly connected to the bottom of the rolling ball (2), and a number of support plates (6) are fixedly connected to the outer side of the spherical sleeve (1).

2. The road and bridge evenness detection device according to claim 1, characterized in that: Both the top and the bottom of the spherical sleeve (1) are in an open state. The friction coefficient between the rolling ball (2) and the spherical sleeve (1) is less than 0.5, and the axis of the gravity cone (5) is parallel to the detection end orientation of the laser rangefinder (4).

3. The road and bridge flatness detection device according to claim 2, characterized in that: The telescopic rod (3) is an electric push rod, and the telescopic movements of the telescopic rods (3) are synchronous.

4. The road and bridge flatness detection device according to claim 3, characterized in that: One side of the spherical sleeve (1) is fixedly connected with a flatness detection and control mid-end (7), which is electrically connected to both the telescopic rod (3) and the laser rangefinder (4).

5. The road and bridge flatness detection device according to claim 4, characterized in that: The support plates (6) are evenly distributed in a ring on the outer side of the spherical sleeve (1), and the bottom height of the support plates (6) is lower than the bottom height of the gravity cone (5).

6. The road and bridge flatness detection device according to claim 5, wherein: The bottom of the support plate (6) is in a horizontal state, and circular grooves (8) are formed in the bottoms of the support plates (6), and suction cups (9) are fixedly connected in the circular grooves (8).

Images