Drilling and sampling device for highway construction acceptance

Abstract

The utility model provides a drilling sampling device for highway construction acceptance, which belongs to the technical field of highway construction, and comprises a base, the bottom ends of the base, a sampling drill bit and a lifting adjusting plate are planes, can be placed on the ground and are used for supporting other parts, two positioning upright posts are arranged at the top end of the base, and the positioning upright posts are used for positioning the sampling drill bit and the lifting adjusting plate. The outer surfaces of the two positioning stand columns are jointly sleeved with a displacement plate, a drilling driver is arranged in the middle of the bottom end of the displacement plate, scale grooves are formed in the outer surfaces of the two positioning stand columns below the displacement plate, and a top plate is arranged at the top ends of the two positioning stand columns. An electric push rod is jointly connected between the top end of the displacement plate and the bottom end of the top plate, and a supporting cavity is formed in the top of the sampling drill bit. The sampling depth can be conveniently observed in real time, the situation that the road foundation is damaged due to the too long drilling depth of the sampling drill bit is avoided, the sampling drill bit can drive samples to be pulled out of holes when moving upwards, the samples do not need to be manually taken at the drilling position, and the sampling efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to road construction technical field, specifically, relate to a kind of drilling sampling device for highway construction acceptance. BACKGROUND

[0002] In the implementation process of highway engineering, drilling sampling is often needed for construction materials, and then the samples are detected. Asphalt mixture needs to be sampled and detected to ensure that it meets the relevant standard requirements. However, the separation of different materials in asphalt mixture will occur during long-term storage, resulting in stratification, such as the separation of stones and asphalt, with stones on the upper layer and asphalt on the lower layer.

[0003] In Chinese public utility model patent application No. 202122943696.X, a drilling sampling device for highway construction acceptance is disclosed. By connecting the mounting disc to an external power source, the drill rod can drive the drill blade and the outer fixed piece to rotate and drill holes in the road surface. The sampling device can sample roadbeds of different depths, making it easy to use. However, after the sampling drill bit separates the sample from the road, the sample will be left in the drill hole, and manual retrieval is required to make the sample top level with the road. The staff needs to lie on the ground to retrieve the sample, which is not easy to retrieve and affects the inspection efficiency. UTILITY MODEL CONTENT

[0004] To make up for the above shortcomings, the utility model provides a drilling sampling device for highway construction acceptance that overcomes the above technical problems or at least partially solves the above problems.

[0005] The utility model provides a drilling sampling device for highway construction acceptance, which comprises

[0006] The base has a flat bottom that can be placed on the ground to support other components. Two positioning columns are arranged at the top of the base. The outer surfaces of the two positioning columns are jointly sleeved with a displacement plate. A drilling drive machine is arranged at the middle of the bottom of the displacement plate. Scale grooves are formed on the outer surfaces of the two positioning columns below the displacement plate. A top plate is arranged at the top of the two positioning columns. An electric push rod is connected between the top of the displacement plate and the bottom of the top plate.

[0007] The sampling drill bit has a support cavity at the top. A flange ring is arranged at the top of the support cavity. The flange ring is installed at the bottom of the drilling drive machine. A plurality of clamping blocks are hingedly installed inside the sampling drill bit. Second inclined plates are installed on one side of the clamping blocks.

[0008] A lifting adjustment plate is located at the top of the sampling drill bit inside the support cavity. A screw is rotatably connected to the top of the lifting adjustment plate. A reinforcing plate is sleeved on the upper outer surface of the screw. The reinforcing plate is fixedly installed inside the support cavity. A toothed ring is installed at the middle position of the bottom end of the reinforcing plate. A drive gear is meshed on one side of the toothed ring. Several connecting posts are equidistantly arranged in a ring at the bottom end of the lifting adjustment plate. All of the connecting posts extend to one side of the clamping block inside the sampling drill bit. A first inclined plate is installed at the bottom end of each of the connecting posts. The inclined surface of the first inclined plate is in contact with the inclined surface of the second inclined plate.

[0009] In a preferred embodiment, auxiliary handles are provided at both the front and rear of the top of the base. When using the drilling and sampling device for highway construction acceptance, the auxiliary handles can be used to move the drilling and sampling device for highway construction acceptance onto the transport equipment for easy transfer.

[0010] In a preferred embodiment, a sampling hole is provided at the top of the base between the two positioning columns, and the bottom of the sampling drill bit extends into the sampling hole. The sampling hole is a through hole that penetrates the base, and the bottom end of the sampling drill bit is flush with the bottom end of the base. When sampling, the debris generated by the sampling drill bit breaking through the road surface will be blocked by the sampling hole to prevent debris from splashing and causing injury to surrounding personnel.

[0011] In a preferred embodiment, the bottom end of the sampling drill bit is provided with a plurality of drill blades arranged in a ring at equal intervals. The drill blades are made of high-strength alloy material. When the sampling drill bit is driven to rotate at high speed, the drill blades can cut the road surface and cut a circular cut into the road surface.

[0012] In a preferred embodiment, a servo motor is provided at the bottom of the drive gear. The servo motor is fixedly mounted on the bottom end of the reinforcing plate by a bracket. The servo motor can drive the drive gear to rotate, thereby causing the gear ring to rotate.

[0013] In a preferred embodiment, several slots are provided inside the sampling drill bit on one side of several clamping blocks, so that the bottom protrusion of the clamping block can extend out of the inner wall of the sampling drill bit to clamp the road sample inside the sampling drill bit, making it easy to remove the sample.

[0014] 1. The displacement plate and the scale grooves set on the outer surface of the two positioning columns are used together. When the displacement plate is lowered, the scale displayed on the outer surface of the two positioning columns is the depth of the sampling drill bit into the road. This makes it easy to observe the sampling depth in real time and avoids the sampling drill bit from drilling too deep and damaging the road foundation.

[0015] 2. By using the lifting adjustment plate and the column together, the clamping block can be driven to flip. After sampling, the bottom of the clamping block can be flipped towards the sample to clamp the outer wall of the sample. When the electric push rod plate pulls the displacement plate and the sampling drill bit moves upward, it will pull the sample out of the hole. There is no need for manual removal of the sample at the drilling site, which improves sampling efficiency. Attached Figure Description

[0016] Figure 1 This is a perspective view of the overall structure provided by the embodiment of this utility model;

[0017] Figure 2 A schematic diagram of the sampling drill bit structure provided for an embodiment of this utility model;

[0018] Figure 3 A schematic cross-sectional view of the support cavity structure provided for an embodiment of this utility model;

[0019] Figure 4 A cross-sectional schematic diagram of the lifting adjustment plate and the reinforcing plate structure is provided for the embodiments of this utility model;

[0020] Figure 5 A schematic cross-sectional view of the sampling drill bit structure provided for an embodiment of this utility model;

[0021] Figure 6 Provided for the embodiments of this utility model Figure 5 An enlarged schematic diagram of the structure at point A in the middle.

[0022] In the diagram: 1. Base; 101. Auxiliary handle; 102. Sampling hole; 103. Positioning column; 2. Sampling drill bit; 201. Drill blade; 202. Support cavity; 203. Flange ring; 204. Groove; 3. Drilling drive motor; 4. Displacement plate; 401. Electric push rod; 5. Top plate; 6. Scale groove; 7. Lifting adjustment plate; 701. Connecting column; 702. First inclined plate; 8. Reinforcing plate; 801. Gear ring; 9. Screw; 10. Drive gear; 11. Servo motor; 12. Clamping block; 13. Second inclined plate. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0024] Reference Figures 1-6This utility model provides a technical solution: a drilling and sampling device for highway construction acceptance, including a base 1, a sampling drill bit 2, and a lifting adjustment plate 7. The bottom end of the base 1 is flat and can be placed on the ground to support other components. Two positioning columns 103 are provided at the top of the base 1. A displacement plate 4 is fitted on the outer surface of the two positioning columns 103. The displacement plate 4 can move linearly up and down on the outer surface of the positioning columns 103. A drilling drive 3 is provided at the middle position of the bottom end of the displacement plate 4. The drilling drive 3 includes a motor and a reducer. The reducer is used to increase the motor torque. Scale grooves 6 are opened on the outer surface of the two positioning columns 103 below the displacement plate 4. The scale grooves 6 can display the distance the displacement plate 4 descends, so as to visually observe the sampling. The drilling depth of drill bit 2 is determined by the top plate 5 of the two positioning columns 103. An electric push rod 401 is connected between the top of displacement plate 4 and the bottom of top plate 5. The electric push rod 401 drives displacement plate 4 to move linearly up and down. A support cavity 202 is provided at the top of sampling drill bit 2, and a flange ring 203 is provided at the top of support cavity 202. The flange ring 203 is installed at the bottom of drilling drive motor 3 to ensure that drilling drive motor 3 can drive sampling drill bit 2 to rotate. Several clamping blocks 12 are hinged inside the sampling drill bit 2. A second inclined plate 13 is installed on one side of each clamping block 12. A lifting adjustment plate 7 is located at the top of sampling drill bit 2 inside support cavity 202. The top of lifting adjustment plate 7 is rotated... A screw 9 is connected to the upper outer surface of the screw 9, and a reinforcing plate 8 is sleeved on it. The reinforcing plate 8 is fixedly installed inside the support cavity 202. A gear ring 801 is installed at the middle position of the bottom end of the reinforcing plate 8. A drive gear 10 is meshed with one side of the gear ring 801. Several connecting posts 701 are arranged in a ring at equal intervals at the bottom end of the lifting adjustment plate 7, and several connecting posts 701 extend to one side of the clamping block 12 inside the sampling drill bit 2. A first inclined plate 702 is installed at the bottom end of several connecting posts 701. The inclined surface of the first inclined plate 702 is in contact with the inclined surface of the second inclined plate 13. When the drive gear 10 rotates, it drives the gear ring 801 to rotate. The gear ring 801 is threadedly connected to the screw 9. When the gear ring 801 rotates, it drives the screw 9 to rotate simultaneously. The sampling drill bit 2 rotates and moves linearly up and down. When it penetrates the road, the road sample is located in a columnar shape inside the drill bit 2. At this time, the gear ring 801 drives the screw 9 to descend, which in turn pushes the lifting adjustment plate 7 to descend, causing several connecting columns 701 to descend. The first inclined plate 702 then moves downward. The first inclined plate 702 and the second inclined plate 13 are connected by an inclined surface. The second inclined plate 13 is then pushed into the sampling drill bit 2, causing the bottom of the clamping block 12 to flip towards the sample, clamping the outer wall of the sample. Then, the electric push rod 401 pulls the displacement plate 4, causing the sampling drill bit 2 to move upward, pulling the sample out of the hole. When the sample is retrieved, the gear ring 801 drives the screw 9 to rise, pulling the lifting adjustment plate 7 upward.When the inclined surface of the first inclined plate 702 separates from the inclined surface of the second inclined plate 13, one side of the gripping block 12 will not be pushed, and the gripping block 12 will release the sample, causing the sample to fall from inside the sampling drill bit 2.

[0025] Auxiliary handles 101 are provided at the front and rear of the top of the base 1. When using the drilling and sampling device for highway construction acceptance, the drilling and sampling device for highway construction acceptance can be moved to the transportation equipment through the auxiliary handles 101 for easy transfer.

[0026] A sampling hole 102 is provided at the top of the base 1 between the two positioning columns 103, and the bottom of the sampling drill bit 2 extends into the sampling hole 102. The sampling hole 102 is a through hole that penetrates the base 1. The bottom end of the sampling drill bit 2 is flush with the bottom end of the base 1. When sampling, the debris generated by the sampling drill bit 2 breaking the road surface will be blocked by the sampling hole 102 to prevent debris from flying and causing injury to the surrounding personnel.

[0027] The bottom end of the sampling drill bit 2 is provided with several drill blades 201 arranged in a ring at equal intervals. The drill blades 201 are made of high-strength alloy material. When the sampling drill bit 2 is driven to rotate at high speed, the drill blades 201 can cut the road surface and cut out a circular cut.

[0028] A servo motor 11 is provided at the bottom of the drive gear 10. The servo motor 11 is fixedly installed at the bottom of the reinforcing plate 8 by a bracket. The servo motor 11 can drive the drive gear 10 to rotate, thereby driving the gear ring 801 to rotate.

[0029] Several clamping blocks 12 have several slots 204 inside the sampling drill bit 2 on one side, so that the bottom protrusion of the clamping block 12 can extend out of the inner wall of the sampling drill bit 2 to clamp the road sample inside the sampling drill bit 2 and make it easy to take out the sample.

[0030] Specifically, the working process or principle of this drilling and sampling device for highway construction acceptance is as follows: When using the drilling and sampling device for highway construction acceptance, the device is placed on the road, and then the drilling drive motor 3 is activated to make the sampling drill bit 2 rotate at high speed. The bottom of the sampling drill bit 2 is equipped with a drill bit 201, which will break the road. Then, the electric push rod 401 pushes the displacement plate 4 down to insert the sampling drill bit 2 into the road. When the displacement plate 4 descends, the data displayed on the scale grooves 6 on the outer surface of the two positioning columns 103 is the depth of the sampling drill bit 2 into the road, which is convenient for real-time observation of the sampling depth. When the sampling drill bit 2 reaches the sampling depth, the road sample will be columnar and located inside the sampling drill bit 2. At this time, the toothed ring 801 drives the screw 9 to descend, which will push the lifting mechanism. The adjusting plate 7 descends, causing several connecting columns 701 to descend as well. At this time, the first inclined plate 702 moves downward. The first inclined plate 702 and the second inclined plate 13 are connected to each other through the inclined surface. The second inclined plate 13 is then pushed into the sampling drill bit 2, causing the bottom of the clamping block 12 to flip towards the sample and clamp the outer wall of the sample. At this time, the electric push rod 401 pulls the displacement plate 4, causing the sampling drill bit 2 to move upward, which will pull the sample out of the hole. When the sample is taken out, the toothed ring 801 drives the screw 9 to rise, pulling the lifting adjusting plate 7 upward. The inclined surface of the first inclined plate 702 separates from the inclined surface of the second inclined plate 13. At this time, one side of the clamping block 12 will not be pushed, and the clamping block 12 will release the sample, causing the sample to fall from the sampling drill bit 2.

Claims

1. A drilling sampling device for highway construction acceptance, characterized in that, include: The base (1) has a flat bottom and can be placed on the ground. The top of the base (1) is provided with two positioning columns (103). The outer surfaces of the two positioning columns (103) are fitted with a displacement plate (4). A drilling drive (3) is provided at the middle position of the bottom of the displacement plate (4). The outer surfaces of the two positioning columns (103) below the displacement plate (4) are provided with scale grooves (6). The top of the two positioning columns (103) is provided with a top plate (5). An electric push rod (401) is connected between the top of the displacement plate (4) and the bottom of the top plate (5). The sampling drill bit (2) has a support cavity (202) at its top and a flange ring (203) at its top. The flange ring (203) is installed at the bottom of the drilling drive (3). Several clamping blocks (12) are hinged inside the sampling drill bit (2) and a second inclined plate (13) is installed on one side of each of the clamping blocks (12). The lifting adjustment plate (7) is located at the top of the sampling drill bit (2) inside the support cavity (202). The top of the lifting adjustment plate (7) is rotatably connected to a screw (9). A reinforcing plate (8) is sleeved on the upper outer surface of the screw (9). The reinforcing plate (8) is fixedly installed inside the support cavity (202). A toothed ring (801) is installed at the middle position of the bottom end of the reinforcing plate (8). A drive gear (10) is meshed on one side of the toothed ring (801). Several connecting posts (701) are arranged in a ring at equal intervals at the bottom end of the lifting adjustment plate (7). Several connecting posts (701) extend to one side of the clamping block (12) inside the sampling drill bit (2). A first inclined plate (702) is installed at the bottom end of several connecting posts (701). The inclined surface of the first inclined plate (702) is in contact with the inclined surface of the second inclined plate (13).

2. The drilling and sampling device for highway construction acceptance according to claim 1, characterized in that, The base (1) is provided with auxiliary handles (101) at the front and rear of the top.

3. The drilling and sampling device for highway construction acceptance according to claim 1, characterized in that, A sampling hole (102) is provided at the top of the base (1) between the two positioning columns (103), and the bottom of the sampling drill bit (2) extends into the sampling hole (102).

4. The drilling and sampling device for highway construction acceptance according to claim 3, characterized in that, The bottom end of the sampling drill bit (2) is provided with several drill blades (201) arranged in a ring at equal intervals.

5. A drilling and sampling device for highway construction acceptance according to claim 1, characterized in that, A servo motor (11) is provided at the bottom of the drive gear (10), and the servo motor (11) is fixedly installed at the bottom of the reinforcing plate (8) by a bracket.

6. A drilling and sampling device for highway construction acceptance according to claim 1, characterized in that, Several slots (204) are provided inside the sampling drill bit (2) on one side of several clamping blocks (12).

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