Pavement thickness detection device

Abstract

The utility model relates to a pavement thickness detection device which comprises a base, four supporting plates are arranged at the top of the base, a fixing plate is arranged at the tops of the four supporting plates, a chassis is further arranged at the top of the base, a cylinder is arranged at the top of the chassis, and symmetrical sliding grooves are formed in the outer wall of the cylinder. A measuring scale is arranged at the position, close to one sliding groove, of the outer wall of the cylinder, four screws are further arranged at the position, close to the edge, of the top of the base, and one end of each screw penetrates through a threaded hole formed in the base and is connected with a fixing block arranged at the bottom. One end of the measuring rod is inserted into the through hole formed in one end of the connecting rod, and the convex column penetrating out of the cavity in one end of the measuring rod is extruded, so that the convex column is compressed and slides into the fixing hole formed in one end of the connecting rod under the elastic action of the spring, the measuring rod is further fixed, and the measuring rod is more convenient to mount and dismount.

Description

Technical Field

[0001] The present application relates to the technical field of road surface detection, and in particular to a road surface thickness detection device. Background Art

[0002] During road construction, in order to ensure the quality of road construction, the project supervisor needs to test the thickness of the construction road surface. Pavement thickness detection is one of the main contents of road non-destructive testing. The data obtained from accurate test and detection during road construction can comprehensively control each process of the project and the performance of raw materials, the proportion of various mixtures, and the strength of the finished product, thereby ensuring the quality of the project.

[0003] However, the measuring rod of the road thickness detection device currently available on the market cannot be recovered after the road surface detection, which easily leads to damage of the measuring rod during the storage process, and it is inconvenient to collect the device. Summary of the invention

[0004] In order to solve the problems raised in the above background technology, the present application provides a road thickness detection device.

[0005] The present application provides a road thickness detection device that adopts the following technical solution:

[0006] A road thickness detection device includes a base, four support plates are arranged on the top of the base, a fixed plate is arranged on the top of the four support plates, a rotating mechanism for driving a measuring rod to move up and down is arranged on the top of the fixed plate, a chassis is also arranged on the top of the base, a cylinder is arranged on the top of the chassis, symmetrical slide grooves are opened on the outer wall of the cylinder, a measuring ruler is arranged on the outer wall of the cylinder near one of the slide grooves, and four screws are also arranged on the top of the base near the edge, one end of the four screws passes through the threaded hole opened on the base and is connected to the fixed block arranged at the bottom.

[0007] Preferably, the rotating mechanism includes a motor, the output end of the motor passes through a through hole opened at the top of the fixing plate and penetrates into the through hole opened at the top of the cylinder, and the output end of the motor is also connected to one end of a shaft arranged in the cylinder.

[0008] Preferably, the other end of the shaft is connected to the bearing seat arranged at the bottom of the cylinder, a movable block is slidably installed on the shaft, an indicator needle is arranged on one side of the outer wall of the movable block, and one end of the indicator needle passes through a slide groove opened on the outer wall of the cylinder and is adapted to the measuring ruler.

[0009] Preferably, a damping shaft is provided on the other side of the outer wall of the movable block, and one end of the damping shaft passes through another slide groove provided on the outer wall of the cylinder and is fitted and installed with one end of the connecting rod.

[0010] Preferably, a through hole is provided at the bottom of the connecting rod near one end, a measuring rod is provided in the through hole, and the measuring rod is fixedly mounted to the connecting rod via a fixing assembly provided at one end.

[0011] Preferably, the fixing component is arranged in a cavity opened at one end of the measuring rod, and the fixing component includes a spring, one end of the spring is connected to the inner wall of the cavity, the other end of the spring is connected to a circular slider arranged in the cavity, and a boss is arranged on the other side of the circular slider, and the boss passes through the cavity and is adapted to be installed between the fixing hole opened at one end of the connecting rod.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] The utility model provides a fixing assembly in the cavity at one end of the measuring rod. When one end of the measuring rod is inserted into the through hole opened at one end of the connecting rod, the convex column penetrating the cavity at one end of the measuring rod is squeezed to compress the convex column under the elastic action of the spring and slide into the fixing hole opened at one end of the connecting rod, thereby fixing the measuring rod. After the measurement is finished, the convex column is pressed to separate the measuring rod from the connecting rod and collect it to prevent collision damage, thereby facilitating the installation and removal of the measuring rod.

[0014] The utility model can fold the connecting rod through the damping shaft connected to one end of the connecting rod, thereby reducing the use space and facilitating its storage;

[0015] The utility model drives a motor to rotate a shaft connected to an output end, and the rotation of the shaft drives a movable block slidably mounted on the shaft to move up and down, so that one side of an outer wall of the movable block moves on a connecting rod line connected by a damping rotating shaft, and then the measuring rod moves up and down to measure the road surface thickness, and an indicator needle arranged on the other side of the outer wall of the movable block moves up and down at the same time, and then the thickness of the road surface is determined by observing the position of the indicator needle moving up and down on the side of the measuring ruler, so that the operation is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of a road surface thickness detection device in an embodiment of the present application;

[0017] Figure 2 is a cross-sectional view of the internal structure of a road surface thickness detection device in an embodiment of the present application;

[0018] Figure 3 This is a cross-sectional view of the internal structure of a measuring rod of a road thickness detection device in an embodiment of the present application;

[0019] Figure 4 This is an enlarged view of the structure at location A of a road thickness detection device in an embodiment of the present application.

[0020] Explanation of the reference numerals: 1. base; 2. support plate; 3. fixing plate; 4. motor; 5. chassis; 6. cylinder; 7. measuring ruler; 8. shaft; 9. bearing seat; 10. movable block; 11. indicator needle; 12. damping shaft; 13. connecting rod; 14. measuring rod; 15. spring; 16. circular slider; 17. boss; 18. screw; 19. fixing block. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1-4 This application is described in further detail.

[0022] The embodiment of the present application discloses a road thickness detection device, including a base 1, four support plates 2 are arranged on the top of the base 1, a fixed plate 3 is arranged on the top of the four support plates 2, a rotating mechanism for driving a measuring rod 14 to move up and down is arranged on the top of the fixed plate 3, a chassis 5 is also arranged on the top of the base 1, a cylinder 6 is arranged on the top of the chassis 5, symmetrical sliding grooves are provided on the outer wall of the cylinder 6, a measuring ruler 7 is provided on the outer wall of the cylinder 6 near one of the sliding grooves, and four screws 18 are also arranged on the top of the base 1 near the edge, one end of the quad-core screw 18 passes through a threaded hole provided on the base 1, and is connected to a fixed block 19 arranged at the bottom.

[0023] refer to Figure 1 and Figure 2 The rotating mechanism includes a motor 4, the output end of the motor 4 passes through the through hole opened on the top of the fixed plate 3 and passes through the through hole opened on the top of the cylinder 6, the output end of the motor 4 is also connected to one end of a shaft rod 8 arranged in the cylinder 6, the other end of the shaft rod 8 is connected to a bearing seat 9 arranged at the bottom of the cylinder 6, a movable block 10 is slidably mounted on the shaft rod 8, an indicator needle 11 is arranged on one side of the outer wall of the movable block 10, one end of the indicator needle 11 passes through the slide groove opened on the outer wall of the cylinder 6 and is adapted to the measuring ruler 7, a damping shaft 12 is arranged on the other side of the outer wall of the movable block 10, one end of the damping shaft 12 passes through the cylinder 6 is provided on the outer wall and is adapted to be installed with one end of the connecting rod 13. More specifically, the shaft rod 8 connected to the output end is rotated by driving the motor 4, and the shaft rod 8 rotates to drive the movable block 10 to move up and down, so that the connecting rod 13 connected to one side of the outer wall of the movable block 10 through the damping shaft 12 moves linearly, and then the measuring rod 14 moves up and down to measure the road thickness, and the indicator needle 11 set on the other side of the outer wall of the movable block 10 moves up and down at the same time, and then the thickness of the road surface is determined by observing the position of the indicator needle 11 moving up and down on the side of the measuring ruler 7, so that the operation is more convenient.

[0024] refer to Figure 3 and Figure 4A through hole is provided at the bottom of the connecting rod 13 near one end, and a measuring rod 14 is provided in the through hole. The measuring rod 14 is fixedly installed with the connecting rod 13 through a fixing assembly provided at one end. The fixing assembly is provided in a cavity provided at one end of the measuring rod 14. The fixing assembly includes a spring 15. One end of the spring 15 is connected to the inner wall of the cavity, and the other end of the spring 15 is connected to a circular slider 16 provided in the cavity. A boss 17 is provided on the other side of the circular slider 16. The boss 17 passes through the cavity and is connected to the connecting rod 13. The fixing holes opened at one end are adapted for installation. More specifically, one end of the measuring rod 14 is inserted into the through hole opened at one end of the connecting rod 13. The boss 17 passing through the cavity at one end of the measuring rod 14 is squeezed so that it is compressed under the elastic action of the spring 15 and slides into the fixing hole opened at one end of the connecting rod 13, thereby fixing the measuring rod 14. When the measurement is completed, the measuring rod 14 is separated from the connecting rod 13 by pressing the boss 17 and collected to prevent collision damage, which also facilitates the installation and disassembly of the measuring rod 14.

[0025] The implementation principle of a road thickness detection device in the embodiment of the present application is as follows: when in use, the screw rod 18 installed on the base 1 is rotated to make the fixed block 19 connected at one end fit with the road surface, thereby fixing the device to maintain a horizontal position, and then the motor 4 is driven to rotate the shaft 8 to drive the movable block 10 to move up and down in the cylinder 6, and the connecting rod 13 installed on one side of the outer wall of the movable block 10 through the damping shaft 12 drives the measuring rod 14 to move up and down to measure the road surface thickness, and the indicator needle 11 set on the other side of the outer wall of the movable block 10 moves up and down at the same time, and the position of the indicator needle 11 is observed through the measuring ruler 7 set on the outer wall of the cylinder 6, thereby measuring the road surface thickness, when not in use, the measuring rod 14 is separated from the connecting rod 13 by squeezing the boss (17), and then the measuring rod 14 is collected, and then the connecting rod 13 is folded through the damping shaft 12 installed at one end of the connecting rod 13, so that the device can be stored more conveniently.

[0026] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A road thickness detection device, comprising a base (1), four support plates (2) being arranged on the top of the base (1), and a fixing plate (3) being arranged on the top of the four support plates (2), characterized in that: A rotating mechanism for driving the measuring rod (14) to move up and down is arranged on the top of the fixing plate (3), a chassis (5) is also arranged on the top of the base (1), a cylinder (6) is arranged on the top of the chassis (5), a symmetrical sliding groove is opened on the outer wall of the cylinder (6), a measuring ruler (7) is arranged on the outer wall of the cylinder (6) near one of the sliding grooves, and four screw rods (18) are also arranged on the top of the base (1) near the edge, one end of each of the screw rods (18) passes through a threaded hole opened on the base (1) and is connected to a fixing block (19) arranged at the bottom.

2. A road surface thickness detection device according to claim 1, characterized in that: The rotating mechanism comprises a motor (4), the output end of the motor (4) passes through a through hole opened at the top of the fixing plate (3) and penetrates into a through hole opened at the top of the cylinder (6), and the output end of the motor (4) is also connected to one end of a shaft (8) arranged in the cylinder (6).

3. A road surface thickness detection device according to claim 2, characterized in that: The other end of the shaft rod (8) is connected to a bearing seat (9) provided at the bottom of the cylinder (6). A movable block (10) is slidably mounted on the shaft rod (8). An indicator needle (11) is provided on one side of the outer wall of the movable block (10). One end of the indicator needle (11) passes through a slide groove provided on the outer wall of the cylinder (6) and is adapted to fit between the measuring ruler (7).

4. A road surface thickness detection device according to claim 3, characterized in that: A damping shaft (12) is provided on the other side of the outer wall of the movable block (10), one end of the damping shaft (12) passes through another slide groove provided on the outer wall of the cylinder (6) and is adapted to be mounted on one end of a connecting rod (13).

5. A road surface thickness detection device according to claim 4, characterized in that: A through hole is provided at the bottom of the connecting rod (13) near one end, a measuring rod (14) is arranged in the through hole, and the measuring rod (14) is fixedly mounted to the connecting rod (13) via a fixing assembly arranged at one end.

6. A road surface thickness detection device according to claim 5, characterized in that: The fixing assembly is arranged in a cavity opened at one end of the measuring rod (14), and the fixing assembly comprises a spring (15), one end of the spring (15) is connected to the inner wall of the cavity, the other end of the spring (15) is connected to a circular slider (16) arranged in the cavity, and a boss (17) is arranged on the other side of the circular slider (16), and the boss (17) passes through the cavity and is adapted to be installed between the fixing hole opened at one end of the connecting rod (13).

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