Asphalt pavement construction flatness detection device

Abstract

The utility model provides an asphalt pavement construction flatness detection device, and belongs to the technical field of pavement construction detection. Comprising a bottom plate, universal wheels are symmetrically arranged on the two sides of the bottom of the bottom plate, a threaded rod is in threaded connection with the center of the bottom plate, square plates arranged on the inner sides of the universal wheels are rotatably connected to the bottom end of the threaded rod, supporting plates are arranged on the transverse and longitudinal side walls of the square plates, adjusting plates are slidably inserted into the ends of the supporting plates, and supporting assemblies are arranged at the ends of the adjusting plates. The distance between the supporting assemblies is adjusted according to flatness detection, the threaded rod rotates to drive the supporting assemblies to move downwards, when the supporting disc is attached to the asphalt pavement, the supporting disc is abutted against the pavement so that the limiting scale rods can ascend by a certain height, and the asphalt pavement can be accurately measured by observing scale marks on the limiting scale rods on the transverse side and the longitudinal side. And whether the numerical values of the scale marks on the top of the adjusting plate are consistent is observed, so that transverse and longitudinal flatness detection can be performed on the pavement at the same time, and the detection convenience and accuracy are greatly improved.

Description

Technical Field

[0001] The utility model provides a device for detecting the smoothness of asphalt pavement construction, belonging to the technical field of pavement construction detection. Background Art

[0002] The main components of bridge and road construction include road construction, drainage, bridge and culvert engineering, pavement engineering, landscaping, lighting, and power pipelines along the route. Smoothness is a key indicator of pavement construction quality and service level. After asphalt pavement construction, a smoothness test device is required to inspect the pavement's smoothness and determine if the construction quality is satisfactory.

[0003] Existing flatness detection devices can generally meet the needs of asphalt pavement construction flatness detection, but they still have certain drawbacks: when performing flatness detection on a road surface, they are usually only able to detect the flatness of a single horizontal or vertical direction, making it difficult to detect the flatness of both the horizontal and vertical directions simultaneously. Furthermore, the detection convenience and accuracy need to be improved. Based on this, the present utility model provides an asphalt pavement construction flatness detection device. Utility Model Content

[0004] The technical problem solved by the utility model is that it is difficult to simultaneously perform flatness detection on an asphalt pavement in both the horizontal and longitudinal directions, and the detection convenience and accuracy need to be improved.

[0005] In order to solve the technical problem, the technical solution provided by the utility model is: an asphalt pavement construction flatness detection device, including a base plate, universal wheels are symmetrically provided on both sides of the bottom of the base plate, a screw is threadedly connected to the center of the base plate, and the bottom end of the screw is rotatably connected to a square plate placed on the inner side of the universal wheel, the transverse and longitudinal side walls of the square plate are provided with support plates, an adjustment plate is slidably inserted into the end of the support plate, a bolt for locking the adjustment plate is provided on the support plate, a support assembly is provided at the end of the adjustment plate, and the support assembly includes a support plate, a support rod passing through the adjustment plate is provided at the top center of the support plate, a stop head is provided at the top of the support rod, and limit scale rods passing through the adjustment plate are symmetrically provided on both sides of the top of the support plate.

[0006] Furthermore, a brake pad is provided on the universal wheel, and a push handle is symmetrically provided on one side of the top of the base plate.

[0007] Furthermore, a handle is provided at the top of the screw rod and is placed above the bottom plate, and limiting rods passing through the top of the bottom plate are symmetrically provided at the four corners of the top of the square plate.

[0008] Furthermore, a slot matching the adjustment plate is provided at the end of the support plate, and limiting rails matching the inner side walls of the slot are symmetrically provided on both side walls of the adjustment plate.

[0009] Furthermore, a through hole that is connected to the slot and matches the bolt is provided at one end of the side wall of the support plate away from the bottom plate, and a plurality of adjustment holes that match the bolts are equidistantly provided on the adjustment plate.

[0010] Furthermore, the support plate is arranged below the adjustment plate, and a level ruler is provided on the top of the adjustment plate and is placed on one side of the stop head.

[0011] Beneficial effects of the utility model:

[0012] Adjust the distance between the support components to the appropriate position according to the flatness test. By holding the handle to drive the screw to rotate and move downward, the support assembly can be driven to move downward. When the support plate fits the asphalt pavement, the support plate is pressed against the road surface, causing the limit scale rod to rise to a certain height. By observing the scale lines on each limit scale rod on both sides of the horizontal and vertical sides, and observing whether the values ​​of the scale lines at the top of the adjustment plate are consistent, the flatness of the road surface can be tested simultaneously in the horizontal and vertical directions, which greatly improves the convenience and accuracy of the detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of a device for detecting the flatness of asphalt pavement construction. Figure 1 .

[0014] Figure 2 This is a schematic diagram of the structure of a device for detecting the flatness of asphalt pavement construction. Figure 2 .

[0015] Figure 3 It is a planar schematic diagram of a device for detecting the flatness of asphalt pavement construction according to the utility model.

[0016] Figure 4 This is a partially enlarged view of a device for detecting the smoothness of asphalt pavement construction according to the present invention.

[0017] 1. Base plate; 2. Universal wheel; 3. Screw; 4. Square plate; 5. Support plate; 6. Adjustment plate; 7. Bolt; 8. Support assembly; 9. Support plate; 10. Support rod; 11. Stopper; 12. Limit scale rod; 13. Brake pad; 14. Push handle; 15. Limit rod; 16. Limit rail; 17. Adjustment hole; 18. Level. DETAILED DESCRIPTION

[0018] The present invention will be further described below with reference to the accompanying drawings.

[0019] According to the attached Figure 1 、 2As shown in 3: The utility model provides a device for detecting the flatness of asphalt pavement construction: it includes a base plate 1, universal wheels 2 are symmetrically provided on both sides of the bottom of the base plate 1, brake pads 13 are provided on the universal wheels 2, and a push handle 14 is symmetrically provided on one side of the top of the base plate 1, which plays a role in conveniently moving to a suitable use position to realize the detection of the flatness of the asphalt pavement construction. The center of the base plate 1 is threadedly connected with a screw rod 3, and the bottom end of the screw rod 3 is rotatably connected to a square plate 4 placed on the inner side of the universal wheel 2. The top of the screw rod 3 is provided with a handle placed above the base plate 1, and the four corners of the top of the square plate 4 are symmetrically provided with limit rods 15 passing through the top of the base plate 1, which play a role of limiting. The horizontal and vertical side walls of the square plate 4 are provided with support plates 5, and an adjustment plate 6 is slidably inserted at the end of the support plate 5. A support assembly 8 is provided at the end of the adjustment plate 6. By holding the handle and rotating it, the screw rod 3 is driven to rotate and move downward, thereby driving the square plate 4 to move downward, thereby driving the support plate 5, the adjustment plate 6, and the support assembly 8 to move downward.

[0020] According to the attached Figure 3 、 4 As shown: the support assembly 8 includes a support plate 9 arranged below the adjustment plate 6, a support rod 10 passing through the adjustment plate 6 is provided at the top center of the support plate 9, a stopper 11 is provided at the top of the support rod 10, and limit scale rods 12 passing through the adjustment plate 6 are symmetrically provided on both sides of the top of the support plate 9; a level 18 is provided on the top of the adjustment plate 6 and is placed on one side of the stopper 11. The level 18 can be used to detect the levelness of the asphalt pavement construction at the support plate 9. When the support assembly 8 moves down until the support plate 9 is in contact with the asphalt pavement, the handle is released to stop rotating the screw 3. The support plate 9 is pressed against the road surface, which will cause the limit scale rod 12 to rise to a certain height. By observing the scale lines on each limit scale rod 12 on both sides of the horizontal and vertical sides, it is observed whether the values ​​of the scale lines at the top of the adjustment plate 6 are consistent.

[0021] According to the attached Figure 1 、 4 As shown: the support plate 5 is provided with a bolt 7 for locking the adjustment plate 6, and the end of the support plate 5 is provided with a slot matching the adjustment plate 6. The two side walls of the adjustment plate 6 are symmetrically provided with limit rails 16 matching the inner side walls of the slot, which play a limiting role. The end of the side wall of the support plate 5 away from the base plate 1 is provided with a through hole that penetrates the slot and matches the bolt 7. A plurality of adjustment holes 17 matching the bolt 7 are equidistantly provided on the adjustment plate 6. By matching the bolt 7 with the adjustment holes 17 at different positions, the protruding length of the adjustment plate 6 can be adjusted, and the distance between the support components 8 can be adjusted to a suitable position according to the flatness detection.

[0022] Principle of the utility model

[0023] During use, the device is moved to a suitable position by the universal wheel 2. When performing flatness detection, the distance between the support assemblies 8 can be adjusted to a suitable position according to the flatness detection by matching the bolts 7 with the adjustment holes 17 at different positions. By holding the handle and rotating the screw 3, the square plate 4, the support plate 5, the adjustment plate 6, and the support assembly 8 can be driven to move downward. When the support plate 9 fits the asphalt pavement, the handle is released to stop rotating the screw 3. The support plate 9 is pressed against the road surface, causing the limit scale rod 12 to rise to a certain height. By observing the scale lines on the limit scale rods 12 on both sides of the horizontal and vertical directions, it is observed whether the values ​​of the scale lines at the top of the adjustment plate 6 are consistent, so that the flatness of the road surface can be detected simultaneously in the horizontal and vertical directions, and the convenience and accuracy of the detection are greatly improved.

[0024] The above description of the present invention and its embodiments is non-limiting. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by the above, and does not deviate from the purpose of the present invention, without inventive design, a structure and embodiment similar to the technical solution should fall within the scope of protection of the present invention.

Claims

1. A device for detecting the smoothness of asphalt pavement construction, comprising a base plate (1), wherein universal wheels (2) are symmetrically provided on both sides of the bottom of the base plate (1), and characterized in that: The center of the bottom plate (1) is connected to a screw rod (3) by a thread, and the bottom end of the screw rod (3) is rotatably connected to a square plate (4) placed on the inner side of the universal wheel (2). The transverse and longitudinal side walls of the square plate (4) are both provided with support plates (5), and an adjustment plate (6) is slidably inserted into the end of the support plate (5). A bolt (7) for locking the adjustment plate (6) is provided on the support plate (5). A support assembly (8) is provided at the end of the adjustment plate (6), and the support assembly (8) includes a support plate (9). A support rod (10) passing through the adjustment plate (6) is provided at the center of the top of the support plate (9), and a stopper (11) is provided at the top of the support rod (10). Limit scale rods (12) passing through the adjustment plate (6) are symmetrically provided on both sides of the top of the support plate (9).

2. The asphalt pavement construction smoothness detection device according to claim 1, characterized in that: A brake pad (13) is provided on the universal wheel (2), and a push handle (14) is symmetrically provided on one side of the top of the base plate (1).

3. The asphalt pavement construction smoothness detection device according to claim 1, characterized in that: The top of the screw rod (3) is provided with a handle placed above the bottom plate (1), and the four corners of the top of the square plate (4) are symmetrically provided with limiting rods (15) passing through the top of the bottom plate (1).

4. The asphalt pavement construction smoothness detection device according to claim 1, characterized in that: The end of the support plate (5) is provided with a slot matching the adjustment plate (6), and both side walls of the adjustment plate (6) are symmetrically provided with limiting rails (16) matching the inner side walls of the slot.

5. The asphalt pavement construction smoothness detection device according to claim 4, characterized in that: A through hole that is connected to the slot and matches the bolt (7) is provided at one end of the side wall of the support plate (5) away from the bottom plate (1), and a plurality of adjustment holes (17) that match the bolt (7) are equidistantly provided on the adjustment plate (6).

6. The asphalt pavement construction smoothness detection device according to claim 1, characterized in that: The support plate (9) is arranged below the adjustment plate (6), and a level ruler (18) is provided on the top of the adjustment plate (6) and is placed on one side of the stop head (11).

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