CN217237290U - Asphalt pavement sampling device - Google Patents

Abstract

The utility model discloses an asphalt pavement sampling device, comprising a base, a mounting frame is fixedly connected to the base, a lifting mechanism is arranged on the mounting frame, a movable seat is fixedly connected to the lifting mechanism, and the bottom of the movable seat is fixedly connected by a connecting frame There is a feeding barrel, the bottom surface of the feeding barrel is open, and the top side of the feeding barrel is connected with a discharging barrel. The bottom surface of the movable seat is equipped with a first drive motor, the power output shaft of the first drive motor is connected with a rotating shaft, the rotating shaft extends into the feeding cylinder, and the lower end of the rotating shaft is fixedly connected with a drill bit located under the feeding cylinder. The outer wall of the rotating shaft is fixedly connected with a first screw conveying blade located in the feeding cylinder, and a feeding mechanism is arranged in the discharging cylinder. The utility model has the advantages of compact structure, stable operation, convenient operation, high sampling efficiency and good sampling effect.

Description

Asphalt Pavement Sampling Device

technical field

The utility model belongs to the technical field of road engineering equipment, in particular to an asphalt pavement sampling device.

Background technique

Asphalt pavement refers to various types of pavements paved with road asphalt materials mixed with mineral materials. Asphalt binder improves the ability of paving aggregates to resist road damage caused by traffic and natural factors, making the road smooth, less dusty, impermeable and durable. Therefore, asphalt pavement is one of the most widely used advanced pavements in road construction. After the asphalt pavement is laid, it needs to be sampled and tested. Most of the existing sampling devices use the method of drilling core samples. When drilling cores, high temperature will be generated due to high-speed rotation, and the samples cannot be taken out in time during the sampling process. , long-term contact with the drill bit will melt the asphalt, which is not conducive to sampling.

Utility model content

In order to solve the deficiencies in the prior art, the utility model provides an asphalt pavement sampling device with compact structure, stable operation, convenient operation, high sampling efficiency and good sampling effect.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical scheme: an asphalt pavement sampling device, including a base, a mounting frame is fixedly connected to the base, a lifting mechanism is arranged on the mounting frame, a movable seat is fixedly connected to the lifting mechanism, and the movable seat is fixed on the lifting mechanism. The bottom of the seat is fixedly connected with a feeding barrel through a connecting frame, the bottom surface of the feeding barrel is open, and the top side of the feeding barrel is connected to the outwards with a discharging barrel, and the end of the discharging barrel is provided with a discharging port downward, and the base is provided with There is a collecting hopper directly below the discharge port, a first drive motor is installed on the bottom surface of the movable seat, a rotating shaft is connected to the power output shaft of the first drive motor, the rotating shaft extends into the feeding barrel, and the lower end of the rotating shaft is fixedly connected with a The drill bit below the feeding barrel, the outer wall of the rotating shaft is fixedly connected with a first screw conveying blade located in the feeding barrel, and the feeding barrel is provided with a feeding mechanism.

The lifting mechanism includes two screw rods that are vertically rotatably connected to the base, and a movable block is respectively connected with a corresponding thread on the two screw rods. A driven bevel gear is installed at the top respectively, a forward and reverse rotation motor is fixedly connected on one side of the top of the mounting frame, and a drive shaft is connected horizontally to the power output shaft of the forward and reverse rotation motor. The driven bevel gear meshes with the drive connected drive bevel gear.

The conveying mechanism includes a second drive motor installed on the outside of the discharge cylinder, the power output shaft of the second drive motor is connected with a conveying shaft located in the discharge cylinder, and the outer wall of the conveying shaft is fixedly connected with a second screw. Conveying leaves.

Two sides of the bottom surface of the base are respectively provided with self-locking universal wheels.

By adopting the above technical scheme, the utility model controls the first drive motor to drive the rotating shaft and the drill bit to rotate, controls the forward and reverse rotation motors to drive the drive shaft to rotate forward, and the two drive bevel gears on the drive shaft are respectively connected to the two screw rods. The driven bevel gear at the top engages and drives, thereby driving the two screw rods to rotate. At the same time as the two screw rods rotate, the respective threaded movable blocks on the two screw rods move down synchronously along the screw rods, driving the movable seat to move down. , so that the drill bit is drilled into the road surface, and the asphalt sample generated by the drill bit in the process of drilling into the road surface enters the feeding cylinder, and is transported upward under the action of the first screw conveying blade, and the second driving motor is controlled to drive the feeding shaft to rotate. The asphalt sample in the conveying cylinder is transported to the top of the conveying cylinder and then transported to the discharge port under the action of the second screw conveying blade, and then falls from the discharge port to the collecting hopper for collection, thereby completing the sampling of the asphalt sample. After the sampling is completed, the forward and reverse rotation motors are controlled to drive the drive shaft to reverse, so that the drill bit moves up and away from the road surface; with the above structure, the drill bit can quickly collect the generated samples while drilling the road surface, which is convenient for sampling and avoids it and the drill bit. Prolonged contact will affect the sampling effect and greatly improve the sampling efficiency.

Description of drawings

Fig. 1 is the structural representation of the present utility model;

FIG. 2 is an enlarged view of A in FIG. 1 .

Detailed ways

As shown in Figures 1-2, the asphalt pavement sampling device of the present invention includes a base 1, and two sides of the bottom surface of the base 1 are respectively provided with self-locking universal wheels 2, and a mounting frame 3 is fixedly connected to the base 1. The frame 3 is provided with a lifting mechanism, and the lifting mechanism is fixedly connected with a movable seat 4. The lifting mechanism includes two screw rods 5 that are vertically rotatably connected to the base 1, and the two screw rods 5 are respectively threadedly connected with movable blocks. 6. The two movable blocks 6 are respectively fixedly connected with the movable seat 4 through the connecting rod 7, the driven bevel gear 8 is respectively installed on the top of the two screw rods 5, and the positive and negative rotation motor 9 is fixedly connected on the top side of the mounting frame 3. The power output shaft of the reversing motor 9 is connected with a drive shaft 10 for horizontal transmission. The two ends of the drive shaft 10 are respectively equipped with a drive bevel gear 11 which is meshed and connected with the two driven bevel gears 8. The bottom of the movable seat 4 is connected by The rack 12 is fixedly connected with a feeding cylinder 13, the bottom surface of the feeding cylinder 13 is open, the top side of the feeding cylinder 13 is connected to the outwards with a discharging cylinder 14, and the end of the discharging cylinder 14 is provided with a discharging port 15 downward. The base 1 is provided with a collecting hopper 16 located directly below the discharge port 15, the bottom surface of the movable base 4 is installed with a first drive motor 17, the power output shaft of the first drive motor 17 is connected with a rotating shaft 18, and the rotating shaft 18 extends into the In the feeding cylinder 13, the lower end of the rotating shaft 18 is fixedly connected with the drill bit 19 located under the feeding cylinder 13, the outer wall of the rotating shaft 18 is fixedly connected with the first screw conveying blade 20 located in the feeding cylinder 13, and the feeding cylinder 14 is provided with a transporting blade 20. The feeding mechanism includes a second drive motor 21 installed on the outside of the discharge cylinder 14. The power output shaft of the second drive motor 21 is connected with a feeding shaft 22 located in the discharge cylinder 14. The feeding shaft 22 A second screw conveying blade 23 is fixedly connected to the outer wall.

When the utility model is in use, the first driving motor 17 is controlled to drive the rotating shaft 18 and the drill bit 19 to rotate, the forward and reverse rotation motor 9 is controlled to drive the transmission shaft 10 to rotate forward, and the two driving bevel gears 11 on the transmission shaft 10 are respectively connected to two The driven bevel gear 8 at the top of the screw rod 5 meshes and drives, thereby driving the two screw rods 5 to rotate. Move down, drive the movable seat 4 to move down, so that the drill bit 19 is drilled into the road surface, and the asphalt sample generated by the drill bit 19 during the process of drilling into the road surface enters the feeding barrel 13, and under the action of the first screw conveying blade 20 Conveying upward, the second drive motor 21 is controlled to drive the conveying shaft 22 to rotate, and the asphalt sample in the conveying cylinder 13 is conveyed to the top of the conveying cylinder 13 and then conveyed to the discharge port 15 under the action of the second screw conveying blade 23, and Drop from the discharge port 15 to the collecting hopper 16 for collection, thereby completing the sampling of the asphalt sample. After the sampling is completed, the forward and reverse rotation motor 9 is controlled to drive the drive shaft 10 to reverse, so that the drill bit 19 moves upwards away from the road surface.

This embodiment does not limit the shape, material, structure, etc. of the present invention in any form, and any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention belong to the technology of the present invention. The scope of protection of the program.

Claims (4)

1. Asphalt pavement sampling device, it is characterized in that: comprising a base, the base is fixedly connected with a mounting frame, the mounting frame is provided with a lifting mechanism, the lifting mechanism is fixedly connected with a movable seat, and the bottom of the movable seat is fixedly connected with a connecting frame. The feeding barrel is provided with an open bottom surface, the top side of the feeding barrel is connected with a discharging barrel, the end of the discharging barrel is provided with a discharging port downward, and the base is provided with a discharging port directly below the discharging port. Collecting hopper, a first drive motor is installed on the bottom surface of the movable seat, the power output shaft of the first drive motor is connected with a rotating shaft, the rotating shaft extends into the feeding cylinder, and the lower end of the rotating shaft is fixedly connected with a drill bit located under the feeding cylinder, and the rotating shaft The outer wall is fixedly connected with a first screw conveying blade located in the feeding cylinder, and a feeding mechanism is arranged in the discharging cylinder. 2 . The asphalt pavement sampling device according to claim 1 , wherein the lifting mechanism comprises two screw rods that are vertically rotatably connected to the base, and the two screw rods are respectively connected with movable blocks corresponding to threads, 3 . The two movable blocks are fixedly connected to the movable seat through connecting rods respectively. The tops of the two screw rods are respectively installed with driven bevel gears. The top side of the mounting frame is fixedly connected with a forward and reverse rotation motor, and the power output shaft of the forward and reverse rotation motor is horizontal The transmission is connected with a transmission shaft, and the two ends of the transmission shaft are respectively installed with a driving bevel gear which is meshed and connected with the two driven bevel gears. 3. The asphalt pavement sampling device according to claim 2, characterized in that: the conveying mechanism comprises a second drive motor mounted on the outer side of the discharge cylinder, and a power output shaft of the second drive motor is drivingly connected with a drive motor located at the outlet. The feeding shaft in the barrel, the outer wall of the feeding shaft is fixedly connected with a second screw conveying blade. 4 . The asphalt pavement sampling device according to claim 1 , wherein the two sides of the bottom surface of the base are respectively provided with self-locking universal wheels. 5 .

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