Pavement paving thickness measuring device

Abstract

The utility model discloses a pavement paving thickness measuring device, which comprises a main board, two sides of the main board are connected with plug boards through butt joint bolts, the outer wall of a middle rotating rod is connected with rotating rods on two sides through transmission belts from top to bottom, the plug boards can be detached through the matching mode of the main board and the plug boards, and the plug boards are connected with the outer wall of the middle rotating rod through the transmission belts. An auxiliary drilling structure at the side end is convenient to replace and maintain, a hydraulic cylinder is fixed through a main plate, meanwhile, the stability of equipment during use is guaranteed through supporting plates on the two sides, a drill bit is driven by a motor to effectively rotate, and meanwhile through cooperation of a rotating rod and a transmission belt, the transmission belt is of a chain wheel and chain structure; the rotating rods on the auxiliary drilling structures on the two sides can be effectively driven through the rotating rod at the connecting end of the motor, it is guaranteed that the rotating rods rotate at the same time, a drill bit at the lower end is controlled to conduct drilling, drilling measurement work can be conducted on three positions at the same time, the working efficiency of equipment is guaranteed, the working time is saved, and meanwhile, the number of drilled samples for thickness measurement is large, and accuracy is high.

Description

Technical Field

[0001] This utility model relates to the field of road paving thickness measurement technology, and specifically to a road paving thickness measurement device. Background Technology

[0002] The commonly used method for measuring the thickness of asphalt concrete pavement is the drilling method, which is a destructive testing method suitable for measuring the thickness of asphalt surface layers and cement concrete pavement slabs. A drilling rig is used to drill holes. After drilling, the surface soil is removed, and the interface with the lower layer is located. Then, a steel ruler or caliper is used to measure the height from the surface to the interface of the upper and lower layers in four symmetrical cross directions along the circumference. The average value is taken as the thickness of the layer. Multiple holes need to be drilled for this measurement. Existing equipment can only drill one hole at a time, which is time-consuming, labor-intensive, and impractical. Utility Model Content

[0003] The purpose of this invention is to provide a road paving thickness measuring device to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a road paving thickness measuring device, comprising a main board, with insert plates connected to both sides of the main board via butt bolts, both insert plates being inserted into the main board, and support plates fixedly mounted on the outer ends of both insert plates; a hydraulic cylinder fixedly mounted on the inner wall of the main board, a motor fixedly mounted on the piston rod end of the hydraulic cylinder, a rotating rod fixedly connected to the lower end of the motor, auxiliary drilling structures connected to both sides of the motor, a rotating rod screwed to the inner wall of each of the two auxiliary drilling structures, a drill bit fixedly mounted on the lower end of each rotating rod, a scale plate mounted on the side wall of the drill bit, and the outer wall of the middle rotating rod connected from top to bottom to the rotating rods on both sides via transmission belts.

[0005] Preferably, the auxiliary drilling structure includes a connecting rod, one side of which is connected to a motor, and the other side of which is connected to a support block. The inner wall of the support block is rotatably connected to a rotating rod. A slide rail is fixedly mounted on the inner side wall of the support plate, and a slider is fixedly mounted on the side wall of the support block near the slide rail. The slider is slidably engaged with the outer wall of the slide rail.

[0006] Preferably, it also includes a stabilizing structure, which is assembled at the upper end of the auxiliary drilling structure. The stabilizing structure includes a stabilizing rod, which is fixedly assembled at the upper end of the support block. A sleeve is inserted through the inner wall of the insert plate, and the stabilizing rod passes through the sleeve. The stabilizing rod and the sleeve are in clearance fit.

[0007] Preferably, the lower inner walls of both support plates are fitted with support legs.

[0008] Compared with the prior art, the beneficial effects of this utility model are as follows: the insertion plate can be disassembled through the cooperation of the main board and the insertion plate, which facilitates the replacement and maintenance of the auxiliary drilling structure on the side. The hydraulic cylinder is fixed by the main board, and the support plates on both sides ensure the stability of the equipment during use. The drill bit is effectively rotated by the motor, and the rotating rod and the transmission belt (which is a sprocket and chain structure) can effectively drive the rotating rods on both sides of the auxiliary drilling structure through the rotating rod at the motor connection end, ensuring that the rotating rods rotate simultaneously and controlling the drill bit at the lower end to drill holes at the same time. Drilling and measurement work can be performed at three places at the same time, ensuring the working efficiency of the equipment, saving working time, and allowing for a large number of opening samples for thickness measurement with high accuracy. Attached Figure Description

[0009] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0010] Figure 2 This is a front view of the present invention;

[0011] Figure 3 for Figure 2 Enlarged schematic diagram of the structure at point A in the middle.

[0012] In the diagram: 1-Main board, 2-Insert board, 3-Support plate, 4-Hydraulic cylinder, 5-Motor, 6-Rotor, 7-Drill bit, 8-Auxiliary drilling structure, 81-Connecting rod, 82-Support block, 83-Slider, 84-Slide rail, 9-Stabilizing structure, 91-Sleeve, 92-Stabilizing rod, 10-Transmission belt, 11-Support foot. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0014] Please see Figure 1-3 This utility model provides a road paving thickness measuring device, including a main board 1. Both sides of the main board 1 are connected to insert plates 2 by butt bolts. Both insert plates 2 are inserted into the main board 1. Support plates 3 are fixedly mounted on the outer ends of both insert plates 2. A hydraulic cylinder 4 is fixedly mounted on the inner wall of the main board 1. A motor 5 is fixedly mounted on the piston rod end of the hydraulic cylinder 4. A rotating rod 6 is fixedly connected to the lower end of the motor 5. Auxiliary drilling structures 8 are connected to both sides of the motor 5. A rotating rod 6 is screwed to the inner wall of each of the two auxiliary drilling structures 8. A drill bit 7 is fixedly mounted on the lower end of each rotating rod 6. A scale plate is mounted on the side wall of the drill bit 7. The outer wall of the middle rotating rod 6 is connected to the rotating rods 6 on both sides from top to bottom by a transmission belt 10.

[0015] The insertion plate 2 can be disassembled through the cooperation of the main board 1 and the insertion plate 2, making it convenient to replace and maintain the auxiliary drilling structure 8 on the side. The hydraulic cylinder 4 is fixed by the main board 1. The hydraulic cylinder 4 can drive the motor 5 to move downward continuously as drilling progresses. At the same time, the support plates 3 on both sides ensure the stability of the equipment during use. The motor 5 drives the drill bit 7 to rotate effectively. At the same time, through the cooperation of the rotating rod 6 and the transmission belt 10, which is a sprocket and chain structure, the rotating rod 6 on both sides of the auxiliary drilling structure 8 can be effectively driven by the rotating rod 6 connected to the motor 5, ensuring that the rotating rod 6 rotates simultaneously and controls the drill bit 7 at the lower end to drill. Drilling and measurement work can be performed at three places at the same time, ensuring the working efficiency of the equipment, saving working time, and allowing for a large number of opening samples for thickness measurement with high accuracy.

[0016] The auxiliary drilling structure 8 includes a connecting rod 81. One side of the connecting rod 81 is connected to the motor 5, and the other side of the connecting rod 81 is connected to a support block 82. The inner wall of the support block 82 is rotatably connected to the rotating rod 6. A slide rail 84 is fixedly mounted on the inner side wall of the support plate 3. A slider 83 is fixedly mounted on the side wall of the support block 82 near the slide rail 84. The slider 83 is slidably engaged with the outer wall of the slide rail 84.

[0017] When the motor 5 is in use, it drives the rotating rod 6 to rotate. The rotating rod 6 drives the rotating rods 6 on both sides to rotate through the transmission belt 10 on the outer wall. At this time, the three drill bits 7 can rotate at the same time and perform drilling work. The hydraulic cylinder 4 can drive the motor 5 to move downward continuously as drilling progresses. At this time, the motor 5 drives the support block 82 to move downward through the connecting rods 81 on both sides. The support block 82 is restricted by the slider 83 and the slide rail 84 to maintain a fixed vertical trajectory displacement.

[0018] It also includes a stabilizing structure 9, which is assembled on the upper end of the auxiliary drilling structure 8. The stabilizing structure 9 includes a stabilizing rod 92, which is fixedly assembled on the upper end of the support block 82. A sleeve 91 is inserted through the inner wall of the insert plate 2, and the stabilizing rod 92 passes through the sleeve 91. The stabilizing rod 92 and the sleeve 91 are in clearance fit.

[0019] When the support block 82 moves downward, it will cause the stabilizer bar 92 to stick to the inner wall of the sleeve 91 and maintain vertical displacement, which plays an auxiliary role in limiting the support block 82 and also supports the support block 82.

[0020] Both support plates 3 have legs 11 fitted into their lower inner walls.

[0021] Support leg 11 better ensures the stability of support plate 3.

[0022] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A road paving thickness measuring device, characterized in that: The system includes a main board (1), on both sides of which are connected to insert plates (2) by butt bolts. Both insert plates (2) are inserted into the main board (1). Support plates (3) are fixedly mounted on the outer ends of both insert plates (2). A hydraulic cylinder (4) is fixedly mounted on the inner wall of the main board (1). A motor (5) is fixedly mounted on the piston rod end of the hydraulic cylinder (4). A rotating rod (6) is fixedly connected to the lower end of the motor (5). Auxiliary drilling structures (8) are connected to both sides of the motor (5). A rotating rod (6) is screwed onto the inner wall of each of the two auxiliary drilling structures (8). A drill bit (7) is fixedly mounted on the lower end of each rotating rod (6). A scale plate is mounted on the side wall of the drill bit (7). The outer wall of the rotating rod (6) in the middle is connected to the rotating rods (6) on both sides from top to bottom by a transmission belt (10).

2. The road paving thickness measuring device according to claim 1, characterized in that: The auxiliary drilling structure (8) includes a connecting rod (81), one side of which is connected to a motor (5), and the other side of which is connected to a support block (82). The inner wall of the support block (82) is rotatably connected to a rotating rod (6). A slide rail (84) is fixedly mounted on the inner side wall of the support plate (3). A slider (83) is fixedly mounted on the side wall of the support block (82) near the slide rail (84). The slider (83) is slidably engaged with the outer wall of the slide rail (84).

3. The road paving thickness measuring device according to claim 2, characterized in that: It also includes a stabilizing structure (9), which is assembled on the upper end of the auxiliary drilling structure (8). The stabilizing structure (9) includes a stabilizing rod (92), which is fixedly assembled on the upper end of the support block (82). A sleeve (91) is inserted through the inner wall of the insert plate (2), and the stabilizing rod (92) passes through the sleeve (91). The stabilizing rod (92) and the sleeve (91) are in clearance fit.

4. The road paving thickness measuring device according to claim 1, characterized in that: Both of the inner walls of the two support plates (3) are fitted with legs (11).

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