Pavement thickness detection device
By designing a sliding groove structure for the movable plate and embedded rod, the problem of existing devices being unable to measure large holes was solved, enabling stable installation and accurate measurement of road surface thickness on different holes.
Patent Information
- Application Number
- CN202422763462.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-13
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-11-13
AI Technical Summary
The existing road thickness detection device has a non-extendable support adjustment component, which makes it impossible to measure from the side of the hole when the hole diameter is larger than the support range.
A road surface thickness detection device was designed. By setting up a sliding structure of movable plate, embedded plate and embedded rod, the device can be erected on holes of different diameters and the depth of the measuring rod can be determined.
It enables stable installation and accurate measurement of road surface thickness on holes of different diameters, reducing measurement errors.
Smart Images

Figure CN223485078U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of road thickness detection technology, and specifically to a road thickness detection device. Background Technology
[0002] During road construction, in order to ensure the quality of the road surface, construction workers need to understand the thickness of the road surface in the construction section so that they can adjust the construction plan in a timely manner. Therefore, it is necessary to use relevant equipment to test the road surface thickness.
[0003] A search revealed an existing patent (publication number: CN221375063U) disclosing a pavement structure layer thickness detection device, relating to the field of pavement inspection. The device includes a mounting plate with four adjustable support components fixedly mounted on its side. A level is fixedly mounted at the rear end of the top of the mounting plate. A detection rod is movably engaged in the middle of the interior of the mounting plate, and a fastening handle fitted onto the outside of the detection rod is fixedly mounted at the middle of the top of the mounting plate. This invention, by adjusting the support components to set up the mounting plate and coordinating with the level, ensures the verticality of the detection rod to the pavement and the wall of the detection hole, preventing tilting and facilitating the measurement of the pavement structure layer thickness. Simultaneously, auxiliary components illuminate and capture images when the detection rod is inserted into the detection hole, allowing for accurate control of the rod's movement, providing inspectors with more information, improving the accuracy of manual readings, and reducing errors.
[0004] However, in the above solution, the thickness needs to be measured by setting up the equipment on the side of the hole. The support adjustment component of the equipment is a non-extendable design. When the diameter of the hole is larger than the support range of the support adjustment component, the equipment cannot be placed on the side of the hole, which makes it impossible to measure the road thickness.
[0005] In view of this, the present invention proposes a road surface thickness detection device. Utility Model Content
[0006] This utility model proposes a road surface thickness detection device, which solves the problem that the support adjustment component of related technical equipment is not extendable. When the diameter of the hole is larger than the support range of the support adjustment component, the device cannot be placed on the side of the hole, thus making it impossible to measure the road surface thickness.
[0007] The technical solution of this utility model is as follows: A road surface thickness detection device includes a base, a control plate threadedly connected to the surface of the base, a first groove provided inside the control plate, a second groove provided on the side of the first groove, an embedded plate slidably connected inside the second groove, an embedded rod slidably connected to the bottom of the embedded plate and the first groove, a connecting plate vertically slidably connected to the bottom of the embedded rod, a movable plate rotatably connected to the inner wall of the connecting plate, a moving plate rotatably connected to the surface of the movable plate, a first connecting plate fixedly connected to the side of the base, an extension plate slidably connected to the inside of the first connecting plate and fixedly connected to the moving plate, and a foot fixedly connected to the bottom of the extension plate.
[0008] Preferably, a second connecting plate is fixedly connected to the top of the base, a spring is fixedly connected to the top of the second connecting plate, a measuring rod is fixedly connected to the top of the spring, and the surface of the measuring rod is provided with a scale.
[0009] Preferably, the center of the control board coincides with the center of the base, and both the first and second sliding grooves are arranged in a ring about the center of the control board.
[0010] Preferably, the embedding plate and the embedding rod are perpendicular to each other, and the embedding plate and the embedding rod are respectively in close contact with the first slide groove and the second slide groove.
[0011] Preferably, the movable plate is inclined inside the connecting plate, and the connection points between the movable plate and the connecting plate and the moving plate are all located at its own end points.
[0012] Preferably, the extension plate is tightly fitted to the interior of the first connecting plate, and the bottom of the leg is made of rubber pad material.
[0013] Preferably, the base has a recessed hole for the movement of the measuring rod, and the second connecting plate is a transparent plastic plate.
[0014] Preferably, the scale is arranged in several groups in a vertical straight line, and the bottom of the scale is flush with the top of the second connecting plate.
[0015] The working principle and beneficial effects of this utility model are as follows:
[0016] 1. In this utility model, by setting a movable plate and a rotating control plate, when the control plate rotates, it will exert a downward thrust on the embedded plate and the embedded rod through the downward movement of the first and second sliding grooves. The descent of the embedded rod will control the connecting plate to move horizontally downward along the surface of the base. When the connecting plate moves downward, it will apply a downward force to the movable plate in the inclined state, so that the movable plate controls the extension plate to move outward along the inside of the first connecting plate, thereby achieving the purpose of adjusting the position of the stand, so that the device can be erected on holes of different diameters.
[0017] 2. By setting the measuring rod, press it down to lower it to the lowest point of the hole. The scale on the measuring rod will also decrease accordingly. At this time, you can observe the scale on the measuring rod and take the scale that coincides with the top of the second connecting plate as the reference. This will tell you how many scales the measuring rod has decreased, and thus determine the depth of the hole. Since the second connecting plate is transparent, it will not affect people's viewing of the scale. Attached Figure Description
[0018] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0020] Figure 2 This is a three-dimensional structural diagram of the present invention from another perspective;
[0021] Figure 3 This is a schematic diagram of the first and second slide grooves of this utility model;
[0022] Figure 4 This is a schematic diagram of the embedded plate and embedded rod structure of this utility model.
[0023] In the diagram: 1. Base; 2. Control panel; 3. First slide groove; 4. Second slide groove; 5. Embedded plate; 6. Embedded rod; 7. Connecting plate; 8. Movable plate; 9. Moving plate; 10. First connecting plate; 11. Extension plate; 12. Stand; 13. Second connecting plate; 14. Spring; 15. Measuring rod; 16. Scale. Detailed Implementation
[0024] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model. Example 1
[0025] A preferred embodiment of the road thickness detection device provided by this utility model is, for example... Figures 1 to 4As shown: A road surface thickness detection device includes a base 1, a control plate 2 threadedly connected to the surface of the base 1, a first groove 3 inside the control plate 2, a second groove 4 on the side of the first groove 3, an embedded plate 5 slidably connected inside the second groove 4, an embedded rod 6 slidably connected to the bottom of the embedded plate 5 and the first groove 3, a connecting plate 7 vertically slidably connected to the bottom of the embedded rod 6, a movable plate 8 rotatably connected to the inner wall of the connecting plate 7, a moving plate 9 rotatably connected to the surface of the movable plate 8, a first connecting plate 10 fixedly connected to the side of the base 1, an extension plate 11 slidably connected to the inside of the first connecting plate 10 and fixedly connected to the moving plate 9, and a foot 12 fixedly connected to the bottom of the extension plate 11.
[0026] In this embodiment, the center of the control plate 2 coincides with the center of the base 1. The first slide groove 3 and the second slide groove 4 are arranged in a ring about the center of the control plate 2. When the control plate 2 is rotated, the downward movement of the first slide groove 3 and the second slide groove 4 will exert a downward thrust on the embedded plate 5 and the embedded rod 6.
[0027] In this embodiment, the embedded plate 5 and the embedded rod 6 are perpendicular to each other, and the embedded plate 5 and the embedded rod 6 are tightly fitted with the first slide groove 3 and the second slide groove 4 respectively. By setting the first slide groove 3 and the second slide groove 4, the rotational force of the control plate 2 can be converted into a horizontal downward thrust on the embedded plate 5.
[0028] In this embodiment, the movable plate 8 is inclined inside the connecting plate 7. The connection points of the movable plate 8 with the connecting plate 7 and the moving plate 9 are all located at their own endpoints. The descent of the embedded rod 6 controls the connecting plate 7 to move horizontally downward along the surface of the base 1. When the connecting plate 7 moves downward, it applies a downward force to the inclined movable plate 8, causing the moving plate 9 to control the extension plate 11 to move outward along the inside of the first connecting plate 10.
[0029] In this embodiment, the extension plate 11 is tightly fitted to the interior of the first connecting plate 10, and the bottom of the stand 12 is made of rubber pad material, thereby achieving the purpose of adjusting the position of the stand 12, so that the device can be mounted on holes of different diameters. Example 2
[0030] Based on Embodiment 1, a preferred embodiment of the road surface thickness detection device provided by this utility model is as follows: Figures 1 to 4 As shown: A second connecting plate 13 is fixedly connected to the top of the base 1, a spring 14 is fixedly connected to the top of the second connecting plate 13, a measuring rod 15 is fixedly connected to the top of the spring 14, and a scale 16 is provided on the surface of the measuring rod 15.
[0031] In this embodiment, the base 1 has a recessed hole for the measuring rod 15 to move inside, and the second connecting plate 13 is a transparent plastic plate. Since the second connecting plate 13 is transparent, it will not affect people's viewing of the scale 16.
[0032] In this embodiment, several sets of scales 16 are arranged in a vertical straight line. The bottom of the scales 16 is flush with the top of the second connecting plate 13. Pressing down the measuring rod 15 causes it to descend to the lowest point of the hole, and the scales 16 on the measuring rod 15 will also descend accordingly. At this time, the scales 16 on the measuring rod 15 can be observed. Taking the scale 16 that coincides with the top of the second connecting plate 13 as the reference, it is possible to know how many scales 16 the measuring rod 15 has descended, thereby determining the depth of the hole.
[0033] The working principle and usage process of this utility model are as follows: First, place the device at the hole in the road so that the stand 12 contacts the ground to support the device. When the position of the stand 12 needs to be adjusted, the control plate 2 can be rotated. When the control plate 2 rotates, it will exert a downward thrust on the embedded plate 5 and the embedded rod 6 through the downward movement of the first slide groove 3 and the second slide groove 4. The descent of the embedded rod 6 will control the connecting plate 7 to move horizontally downward along the surface of the base 1. When the connecting plate 7 moves downward, it will apply a downward force to the inclined movable plate 8, so that the moving plate 9 controls the extension plate 11 to move outward along the inside of the first connecting plate 10, thereby achieving the purpose of adjusting the position of the stand 12, so that the device can be erected on holes of different diameters.
[0034] Under the action of spring 14, measuring rod 15 will remain fixed. Pressing down on measuring rod 15 will cause it to descend to the lowest point of the hole, and the scale 16 on measuring rod 15 will also descend accordingly. At this time, you can observe the scale 16 on measuring rod 15 and take the scale 16 that coincides with the top of the second connecting plate 13 as the reference. This will tell you how many scales 16 the measuring rod 15 has descended, and thus determine the depth of the hole.
[0035] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A road surface thickness detection device, comprising a base (1), characterized in that, The base (1) is threadedly connected to a control plate (2). The control plate (2) has a first groove (3) inside. The side of the first groove (3) has a second groove (4). The second groove (4) is slidably connected to an embedded plate (5). The bottom of the embedded plate (5) is fixedly connected to an embedded rod (6) that is slidably connected to the first groove (3). The bottom of the embedded rod (6) is fixedly connected to a connecting plate (7) that is vertically slidably connected to the surface of the base (1). The inner wall of the connecting plate (7) is rotatably connected to a movable plate (8). The surface of the movable plate (8) is rotatably connected to a moving plate (9). The side of the base (1) is fixedly connected to a first connecting plate (10). The inside of the first connecting plate (10) is slidably connected to an extension plate (11) that is fixedly connected to the moving plate (9). The bottom of the extension plate (11) is fixedly connected to a foot (12).
2. The road surface thickness detection device according to claim 1, characterized in that, The top of the base (1) is fixedly connected to a second connecting plate (13), the top of the second connecting plate (13) is fixedly connected to a spring (14), the top of the spring (14) is fixedly connected to a measuring rod (15), and the surface of the measuring rod (15) is provided with a scale (16).
3. The road surface thickness detection device according to claim 1, characterized in that, The center of the control plate (2) coincides with the center of the base (1), and the first slide groove (3) and the second slide groove (4) are arranged in a ring about the center of the control plate (2).
4. The road surface thickness detection device according to claim 1, characterized in that, The embedded plate (5) and the embedded rod (6) are perpendicular to each other, and the embedded plate (5) and the embedded rod (6) are respectively in close contact with the first slide groove (3) and the second slide groove (4).
5. A road surface thickness detection device according to claim 1, characterized in that, The movable plate (8) is inclined inside the connecting plate (7), and the connection points of the movable plate (8) with the connecting plate (7) and the moving plate (9) are all located at their own endpoints.
6. The road surface thickness detection device according to claim 1, characterized in that, The extension plate (11) fits tightly inside the first connecting plate (10), and the bottom of the leg (12) is made of rubber pad material.
7. A road surface thickness detection device according to claim 2, characterized in that, The base (1) has a recessed hole for the movement of the measuring rod (15) inside, and the second connecting plate (13) is a transparent plastic plate.
8. A road surface thickness detection device according to claim 2, characterized in that, The scale (16) is arranged in several groups in a vertical straight line, and the bottom of the scale (16) is flush with the top of the second connecting plate (13).
Citation Information
Patent Citations
Pavement structure layer thickness detection device
CN221375063U