Road flatness detection device

Abstract

The utility model discloses a road flatness detection device, which relates to the technical field of road detection equipment, and comprises a movable plate, a plurality of movable wheels and a plurality of detection devices, the first motor is arranged on the moving plate, a first groove is formed in the moving plate, a gear is rotationally arranged in the first groove, and the gear is connected with the output end of the first motor; the first motor enables the pair of racks to move towards the two sides of the movable plate, then the pair of racks drive the multiple sets of detection assemblies arranged at the bottom to move to enlarge the detection width, after detection is finished, the pair of racks move into the second groove, the size of the whole device is reduced, and storage is convenient; the material blocking assembly at the bottom of the moving plate can make obstacles move towards the two sides, each cleaning assembly can clean the obstacles in front of the detection assembly at the bottom of the rack, the obstacles are prevented from affecting the detection result, and the detection accuracy is improved.

Description

Technical Field

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

[0002] Pavement flatness refers to the deviation value of the longitudinal bumps on the road surface. Pavement flatness is an important indicator in pavement evaluation and pavement construction acceptance. It mainly reflects the flatness of the pavement longitudinal section profile curve. When the pavement longitudinal section profile curve is relatively smooth, it means that the pavement is relatively flat or the flatness is relatively good. Otherwise, it means that the flatness is relatively poor.

[0003] For example, the utility model patent with announcement number CN218203750U discloses a flatness detection device for road engineering inspection. By setting multiple sets of detection mechanisms at the bottom of the bracket, the bracket drives the multiple sets of detection mechanisms to move to inspect the road surface, and the multiple sets of detection mechanisms are arranged horizontally to increase the detection range.

[0004] However, the bracket of the utility model is long, which takes up more space when stored. In addition, there is no cleaning component, which makes it easy for the detection mechanism to be affected by materials such as sand and gravel during detection, thereby affecting the accuracy of the detection. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides a road flatness detection device. The first motor causes a pair of racks to move to both sides of a movable plate, and then the pair of racks drive multiple groups of detection components arranged at the bottom to move to expand the detection width. After the detection is completed, the pair of racks are moved into the second groove, so that the volume of the entire device is reduced and it is convenient for storage. The material blocking component at the bottom of the movable plate can move obstacles to both sides, and each group of cleaning components can clean obstacles in front of the detection component at the bottom of the rack to prevent obstacles from affecting the detection results and improve the accuracy of the detection.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a road flatness detection device, comprising: a movable plate, a plurality of movable wheels are provided at the bottom of the movable plate; a first motor, the first motor is arranged on the movable plate, a first groove is provided on the movable plate, a gear is rotatably provided in the first groove, and the gear is connected to the output end of the first motor; a pair of racks are provided on the movable plate, a pair of second grooves are provided on the movable plate, a pair of racks are slidably arranged in a pair of second grooves, a pair of racks are located on both sides of the gear and meshed with the gear; three fixed bars, one of the fixed bars is arranged at the bottom of the movable plate, and the other two fixed bars are arranged at the bottom of the pair of racks and slidably pass through the movable plate, and each of the fixed bars is provided with multiple groups of detection components; two groups of cleaning components, the two groups of cleaning components are arranged on the front side walls of the pair of fixed bars at the bottom of the pair of racks; a material blocking component, which is arranged at the bottom of the movable plate and in front of the fixed bar.

[0007] Preferably, each group of the detection components includes: a detection head, a slide groove is provided on the fixed bar, and the detection head is arranged on the top wall of the slide groove; a moving rod, the moving rod is vertically slidably arranged in the slide groove; a ball-type universal wheel, the ball-type universal wheel is arranged at the bottom of the moving rod; a spring, the spring is sleeved on the moving rod and one end abuts against the ball-type universal wheel, and the other end abuts against the bottom of the fixed bar.

[0008] Preferably, a limiting block is provided on the top of the moving rod, and the limiting block is vertically slidably arranged in the sliding groove.

[0009] Preferably, the cleaning assembly includes: a mounting groove body, which is arranged on the front side wall of the fixing bar; a second motor, which is arranged on the side wall of the mounting groove body and the output end passes through the side wall of the mounting groove body; a rotating shaft, which is rotatably arranged in the mounting groove body and one end is connected to the output end of the second motor, and a plurality of first bevel gears are arranged on the rotating shaft; a plurality of rotating rods, which are rotatably arranged on the bottom wall of the mounting groove body, and a plurality of second bevel gears are arranged on the top of the plurality of rotating rods, and the plurality of second bevel gears are meshed with the plurality of first bevel gears; a plurality of cleaning brushes, which are arranged at the bottom of the plurality of rotating rods.

[0010] Preferably, a bearing is provided between the rotating rod and the mounting groove body.

[0011] Preferably, the material blocking assembly includes a V-shaped plate, which is arranged at the bottom of the movable plate and in front of the fixed bar, and a V-shaped scraping strip is provided at the bottom of the V-shaped plate.

[0012] Preferably, a push rod is provided on the movable plate.

[0013] The utility model provides a road smoothness detection device, which has the following beneficial effects:

[0014] 1. The first motor of the utility model causes a pair of racks to move to both sides of the movable plate, and then causes the pair of racks to drive multiple groups of detection components arranged at the bottom to move, so as to expand the detection width. After the detection is completed, the pair of racks are moved into the second groove, so that the volume of the entire device is reduced and it is convenient for storage. The material blocking component at the bottom of the movable plate can move obstacles to both sides, and each group of cleaning components can clean obstacles in front of the detection component at the bottom of the rack to prevent obstacles from affecting the detection results and improve the accuracy of the detection.

[0015] 2. The ball-bearing universal wheel of the utility model contacts the road surface. When the road is uneven, the ball-bearing universal wheel drives the moving rod to move into the slide groove, and at the same time compresses the spring. The detection head detects the position of the top of the moving rod to detect the flatness of the road. The detection head is an infrared ranging sensor, which detects the flatness of the road surface through the principle of infrared reflection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0017] Figure 2 for Figure 1 A magnified schematic diagram of part A;

[0018] Figure 3 It is a bottom view of the present utility model.

[0019] In the figure: 1. Moving plate; 1-1. First groove; 1-2. Second groove; 1-3. Moving wheel; 2. First motor; 3. Gear; 4. Rack; 5. Fixed bar; 5-1. Slide; 6. Detection head; 7. Moving rod; 8. Ball-type universal wheel; 9. Spring; 10. Limit block; 11. Mounting trough; 12. Second motor; 13. Rotating shaft; 14. First bevel gear; 15. Rotating rod; 16. Second bevel gear; 17. Cleaning brush; 18. Bearing; 19. V-shaped plate; 20. V-shaped scraper. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-3The utility model provides a technical solution: a road flatness detection device, comprising: a movable plate 1, a plurality of movable wheels 1-3 are provided at the bottom of the movable plate 1; a first motor 2, the first motor 2 is arranged on the movable plate 1, a first groove 1-1 is provided on the movable plate 1, a gear 3 is rotatably provided in the first groove 1-1, and the gear 3 is connected to the output end of the first motor 2; a pair of racks 4, a pair of second grooves 1-2 are provided on the movable plate 1, a pair of racks 4 are slidably provided in the pair of second grooves 1-2, the pair of racks 4 are located on both sides of the gear 3 and meshed with the gear 3; three fixed bars 5, one of the fixed bars 5 is provided at the bottom of the movable plate 1, and the other two fixed bars 5 are provided at the bottom of the pair of racks 4 and slidably penetrate the movable plate 1, and each fixed bar 5 is provided with multiple groups of detection components; two groups of cleaning components, the two groups of cleaning components are provided on the front side walls of the pair of fixed bars 5 at the bottom of the pair of racks 4. A material blocking component, the material blocking component is provided at the bottom of the movable plate 1 and in front of the fixed bar 5.

[0022] In this embodiment, the output end of the first motor 2 drives the connected gear 3 to rotate, and the gear 3 drives the pair of meshingly connected racks 4 to move, so that the pair of racks 4 can extend outward from both sides of the movable plate 1, thereby expanding the width of road surface detection. Two groups of cleaning components are arranged on the front side walls of a pair of fixed bars 5 at the bottom of the pair of racks 4 (the front side wall pointer is facing the side wall in front of the travel direction). The cleaning components clean the obstacles in front of the multiple groups of detection components that are extended, and the material blocking components clean the obstacles in front of the multiple groups of detection components located at the bottom of the movable plate.

[0023] As an embodiment of the present utility model, each group of detection components includes: a detection head 6, a slide groove 5-1 is opened on the fixed bar 5, and the detection head 6 is arranged on the top wall of the slide groove 5-1; a moving rod 7, the moving rod 7 is vertically slidably arranged in the slide groove 5-1; a ball-type universal wheel 8, the ball-type universal wheel 8 is arranged at the bottom of the moving rod 7; a spring 9, the spring 9 is sleeved on the moving rod 7 and one end abuts against the ball-type universal wheel 8, and the other end abuts against the bottom of the fixed bar 5.

[0024] In this embodiment, the ball-bearing universal wheel 8 contacts the road surface. When the road is uneven, the ball-bearing universal wheel 8 drives the moving rod 7 to move into the slide groove 5-1, and at the same time compresses the spring 9. The detection head 6 detects the position of the top of the moving rod 7 to detect the flatness of the road. The detection head 6 is an infrared ranging sensor that detects the flatness of the road surface through the principle of infrared reflection.

[0025] As an embodiment of the present invention, a limit block 10 is provided on the top of the moving rod 7 , and the limit block 10 is vertically slidably provided in the sliding groove 5 - 1 .

[0026] In this embodiment, the limiting block 10 limits the moving rod 7 to prevent the moving rod 7 from escaping from the sliding groove 5 - 1 .

[0027] As an embodiment of the present utility model, the cleaning assembly includes: an installation groove body 11, the installation groove body 11 is arranged on the front side wall of the fixing bar 5; a second motor 12, the second motor 12 is arranged on the side wall of the installation groove body 11 and the output end passes through the side wall of the installation groove body 11; a rotating shaft 13, the rotating shaft 13 is rotatably arranged in the installation groove body 11 and one end is connected to the output end of the second motor 12, and a plurality of first bevel gears 14 are arranged on the rotating shaft 13; a plurality of rotating rods 15, the plurality of rotating rods 15 are rotatably arranged on the bottom wall of the installation groove body 11, and a plurality of second bevel gears 16 are arranged on the top of the plurality of rotating rods 15, and the plurality of second bevel gears 16 are meshed and connected with the plurality of first bevel gears 14; a plurality of cleaning brushes 17, and a plurality of cleaning brushes 17 are arranged at the bottom of the plurality of rotating rods 15.

[0028] In this embodiment, the output end of the second motor 12 rotates to drive the connected rotating shaft 13 to rotate, the rotating shaft 13 drives the connected multiple first bevel gears 14 to rotate, the first bevel gears 14 drive the meshing connected second bevel gears 16 to rotate, the second bevel gears 16 drive the rotating rod 15 to rotate, the rotating rod 15 drives the cleaning brush 17 to rotate, and the cleaning brush 17 cleans away obstacles in front of the detection component.

[0029] As an embodiment of the present invention, a bearing 18 is provided between the rotating rod 15 and the mounting groove 11 .

[0030] In this embodiment, the inner ring of the bearing 18 is connected to the rotating rod 15 , and the outer ring is connected to the mounting slot 11 , so that the rotating rod 15 rotates relative to the mounting slot 11 via the bearing 18 .

[0031] As an embodiment of the present invention, the material blocking assembly includes a V-shaped plate 19 , which is arranged at the bottom of the movable plate 1 and in front of the fixed bar 5 , and a V-shaped scraping strip 20 is provided at the bottom of the V-shaped plate 19 .

[0032] In this embodiment, the V-shaped scraper strip 20 is used to move obstacles in front of the multiple groups of detection components arranged at the bottom of the movable plate 1 to both sides.

[0033] As an embodiment of the present invention, a push rod is provided on the movable plate 1 .

[0034] In this embodiment, pushing the push rod can move the movable plate 1 .

[0035] Through the use of wires by those skilled in the art, all electrical components in this case are connected to their corresponding power supplies, and appropriate controllers should be selected according to actual conditions to meet control requirements. The specific connection and control sequence should refer to the following working principle, in which the electrical components are electrically connected in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and no longer explains the electrical control.

[0036] The working principle and usage process of the utility model are as follows: when in use, first start the first motor 2 arranged on the top of the movable plate 1, and the output end of the first motor 2 drives the connected gear 3 to rotate in the first groove 1-1, and the gear 3 drives a pair of meshing racks 4 to slide in a pair of second grooves 1-2, so that the pair of racks 4 extend to both sides of the movable plate 1, and when the pair of racks 4 move, they drive a pair of fixed bars 5 arranged at the bottom thereof to move, and the pair of fixed bars 5 drive the detection assembly and the cleaning assembly arranged thereon to move, and secondly, start the second motor 12 in each group of cleaning assemblies, and the second motor 12 arranged on the outer wall of the mounting groove body 11 drives the connected rotating shaft 13 to rotate, and the rotating shaft 13 drives multiple first bevel gears 14 to rotate, and the multiple first bevel gears 14 drive the meshing connected The multiple second bevel gears 16 connected rotate, and the multiple second bevel gears 16 drive the connected multiple rotating rods 15 to rotate, and the multiple rotating rods 15 drive the multiple cleaning brushes 17 to rotate. Finally, the personnel push the push rod, and the push rod drives the movable plate 1 to move forward. During movement, the V-shaped scraper 20 at the bottom of the V-shaped plate 19 cleans the obstacles in front of the multiple groups of detection components set at the bottom of the movable plate 1, so that the obstacles are moved to both sides of the movable plate 1. Each cleaning brush cleans the obstacles in front of each group of detection components to prevent the obstacles from affecting the accuracy of the detection. When the road surface is uneven, the movable rod 7 moves up and down in the slide groove 5-1, and the spring 9 mounted outside the movable rod 7 can always ensure that the ball-type universal wheel 8 contacts the road surface, and the flatness of the road is detected by the detection head 6.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A road smoothness detection device, characterized in that: include: A movable plate (1), wherein a plurality of movable wheels (1-3) are provided at the bottom of the movable plate (1); A first motor (2), the first motor (2) being arranged on a movable plate (1), the movable plate (1) being provided with a first groove (1-1), a gear (3) being rotatably arranged in the first groove (1-1), the gear (3) being connected to an output end of the first motor (2); A pair of racks (4), a pair of second grooves (1-2) are provided on the movable plate (1), the pair of racks (4) are slidably arranged in the pair of second grooves (1-2), and the pair of racks (4) are located on both sides of the gear (3) and meshed with the gear (3); Three fixing bars (5), one of which is arranged at the bottom of the movable plate (1), and the other two fixing bars (5) are arranged at the bottom of a pair of racks (4) and are slidably arranged on the movable plate (1), and each fixing bar (5) is provided with a plurality of detection components; Two groups of cleaning components, the two groups of cleaning components are arranged on the front side walls of a pair of fixing bars (5) at the bottom of a pair of racks (4); A material blocking assembly is provided at the bottom of the movable plate (1) and in front of the fixed bar (5).

2. A road roughness detection device according to claim 1, characterized in that: Each set of detection components includes: A detection head (6), wherein a slide groove (5-1) is provided on the fixing bar (5), and the detection head (6) is arranged on the top wall of the slide groove (5-1); A moving rod (7), wherein the moving rod (7) is vertically slidably arranged in the sliding groove (5-1); A ball-type universal wheel (8), wherein the ball-type universal wheel (8) is arranged at the bottom of the moving rod (7); A spring (9) is sleeved on the moving rod (7) and has one end abutted against the ball-type universal wheel (8) and the other end abutted against the bottom of the fixing bar (5).

3. A road roughness detection device according to claim 2, characterized in that: A limit block (10) is provided on the top of the moving rod (7), and the limit block (10) is vertically slidably provided in the sliding groove (5-1).

4. A road roughness detection device according to claim 1, characterized in that: The cleaning assembly comprises: An installation slot (11), wherein the installation slot (11) is arranged on the front side wall of the fixing bar (5); a second motor (12), the second motor (12) being arranged on a side wall of the mounting trough (11) and having an output end extending through the side wall of the mounting trough (11); A rotating shaft (13), the rotating shaft (13) being rotatably disposed in the mounting groove (11) and having one end connected to the output end of the second motor (12), and a plurality of first bevel gears (14) being disposed on the rotating shaft (13); A plurality of rotating rods (15), wherein the plurality of rotating rods (15) are rotatably arranged on the bottom wall of the mounting groove body (11), a plurality of second bevel gears (16) are arranged on the top of the plurality of rotating rods (15), and the plurality of second bevel gears (16) are meshedly connected with the plurality of first bevel gears (14); A plurality of cleaning brushes (17) are provided at the bottom of the plurality of rotating rods (15).

5. A road roughness detection device according to claim 4, characterized in that: A bearing (18) is provided between the rotating rod (15) and the mounting groove body (11).

6. The road roughness detection device according to claim 1, characterized in that: The material blocking assembly comprises a V-shaped plate (19), which is arranged at the bottom of the movable plate (1) and in front of the fixed bar (5), and a V-shaped scraping strip (20) is arranged at the bottom of the V-shaped plate (19).

7. The road roughness detection device according to claim 1, characterized in that: A push rod is provided on the movable plate (1).

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