Road surface coring drill device for supervision

Abstract

The invention provides a pavement coring drill device for supervision, which relates to the technical field of drilling and coring, and comprises a sampling drill cylinder, a driving joint, a positioning loop, a limiting vertical cylinder, a movable push plate, a receiving sample cylinder, a U-shaped pull rod and a screw rod, the top of the sampling drill barrel is connected with a driving joint, and the top of the driving joint is connected with a handheld drilling machine; and a positioning loop is sleeved outside the driving joint and is in contact with the top of the sampling drill barrel. The sampling drill barrel is limited and fixed through the rotating wheel in the limiting vertical barrel, so that the sampling drill barrel can drill into a pavement more quickly, and a pavement sample core located in the sampling drill barrel is pushed into the receiving sample barrel by utilizing the movable push plate, so that the integrity of the obtained pavement sample core is effectively guaranteed. The problems that an existing coring drill bit is incomplete in positioning mechanism, the drill bit is prone to wandering at the early stage of coring, the working efficiency is affected, a road surface sample core needs to be taken out of the drill bit in a tool hammer knocking mode, and the road surface coring integrity is prone to being damaged are solved.

Description

Technical Field

[0001] The invention relates to the technical field of coring by drilling, and in particular to a road surface coring drill device for supervision. Background Art

[0002] The coring drill bit is a sampling device suitable for pavement coring tests. It is often used in highway engineering supervision. The coring drill bit is used to drill cylindrical sample cores on the pavement, and then the sample cores are tested to measure parameters such as the thickness, compaction and moisture content of the pavement.

[0003] For example, the Chinese patent "CN119754254B A road sampling device" includes: a moving device; a feeding device, which is arranged on the moving device; a sampling device, which can move in the up and down directions under the drive of the feeding device, and the sampling device includes: a mounting seat, which is arranged on the feeding device; a rotating hammer, which is arranged on the mounting seat and has a rotating power shaft and a hammer part; an inner drill barrel, which is connected to the rotating power shaft and has a drill bit at the bottom; an outer drill barrel, which is outermost of the inner drill barrel and can rotate relative to the inner drill barrel; a rotating plate, which is rotatably arranged on the top of the inner drill barrel; a force distribution assembly, which includes a distribution plate and a sliding block, the distribution plate is hinged to the rotating plate and stops at the hammer part, and the sliding block is slidably connected to the distribution plate and is hinged to the outer drill barrel.

[0004] The current positioning mechanism of the coring drill bit used in pavement supervision operations is imperfect. In the early stage of coring, the drill bit is prone to wandering due to the lack of effective positioning, which increases the risk of accidental injury to operators and affects work efficiency. After coring is completed, the pavement sample core remains in the drill bit and is conventionally removed by hammering with a tool. During this process, the pavement sample core is easily broken, destroying the integrity of the pavement coring, leading to misjudgment of pavement condition detection, and affecting subsequent pavement quality assessment and decision-making. Summary of the Invention

[0005] The present invention relates to a road surface coring drill device for supervision, which solves the problem that the existing coring drill bit positioning mechanism is imperfect. In the early stage of coring, due to the lack of effective positioning, the drill bit is prone to wandering, affecting work efficiency. In addition, the road surface sample core needs to be removed from the drill bit by hammering with a tool hammer, which is easy to damage the integrity of the road surface coring and lead to misjudgment of road surface condition detection.

[0006] The first aspect of the present invention provides a road surface coring drill device for supervision, which specifically includes: a sampling drill barrel, a drive joint, a positioning sleeve, a limiting vertical cylinder, a movable push plate, a receiving sample barrel, a U-shaped pull rod and a screw; the top of the sampling drill barrel is connected to the drive joint, and the top of the drive joint is connected to the handheld drill; the outside of the drive joint is covered with a positioning sleeve, and the positioning sleeve is in contact with the top of the sampling drill barrel; the limiting vertical cylinder is placed on the road surface, and the sampling drill barrel is vertically inserted into the limiting vertical cylinder; the inside of the sampling drill barrel is connected to the movable push plate, and the bottom of the sampling drill barrel is connected to the receiving sample barrel; the outside of the receiving sample barrel is connected to the U-shaped pull rod, and the inside of the receiving sample barrel is connected to the screw, the screw is connected to the U-shaped pull rod, and the end of the U-shaped pull rod is connected to the movable push plate.

[0007] Furthermore, the drive joint is divided into two types: square handle and round handle. The bottom end of the drive joint is inserted into the top of the sampling drill barrel. Two card slots are arranged around the top of the sampling drill barrel. The card slots are L-shaped. Two card blocks are arranged around the bottom end of the drive joint. The card blocks are connected to the card slots. The card blocks and the card slots cooperate with each other. The sampling drill barrel and the drive joint are connected together by a rotating card connection, which makes the disassembly, assembly and replacement of the drive joint easier.

[0008] Furthermore, the positioning looper is slidably connected to the driving joint, the driving joint is symmetrically provided with guide blocks on the outside, the positioning looper is symmetrically provided with sliding holes on the inside, and the guide blocks are slidably connected to the sliding holes.

[0009] Furthermore, a spring is sleeved on the outside of the driving joint, the top end of the spring is in contact with the driving joint, and the bottom end of the spring is in contact with the top of the positioning sleeve.

[0010] Furthermore, a positioning block is symmetrically provided at the bottom of the positioning sleeve, and the positioning block is inserted into the notch of the card slot. When the sampling drill tube and the drive joint are rotated and connected together, the card block is located at the innermost end of the card slot, and the notch of the card slot faces the positioning block. The positioning sleeve is affected by the spring thrust and moves along the guide block to reset, so that the positioning block is inserted into the card slot, locking and fixing the drive joint to prevent the drive joint from rotating in the opposite direction.

[0011] Furthermore, the top of the limiting vertical cylinder is outward-slanting, and pedals are symmetrically arranged at the bottom of the limiting vertical cylinder. A rotating wheel is connected to the inside of the limiting vertical cylinder, and the rotating wheel is in rolling contact with the sampling drill barrel. The staff steps on the pedals with both feet and uses their own weight to fix the limiting vertical cylinder. When the handheld drill drives the sampling drill barrel to rotate, the sampling drill barrel is limited and fixed by the rotating wheel inside the limiting vertical cylinder.

[0012] Furthermore, a water storage funnel is fixedly installed on the top of the limiting vertical cylinder, and a valve is provided at the bottom of the water storage funnel. The valve is located at the end of the top of the limiting vertical cylinder. The valve at the bottom of the water storage funnel discharges water, and the water reaches the bottom end of the sampling drill barrel along the limiting vertical cylinder, which has the effect of cooling and lubricating the sampling drill barrel, so that the sampling drill barrel can drill into the road surface faster.

[0013] Furthermore, the movable push plate is slidably connected to the sampling drill barrel, and movable holes are symmetrically provided on the outside of the sampling drill barrel. Sliders are symmetrically provided on the outside of the movable push plate, and the slides are slidably connected to the movable holes. A magnet is embedded in the top of the movable push plate, and the top side of the magnet is suction-connected to the inner wall of the top of the sampling drill barrel. When the sampling drill barrel rotates for coring operation, the movable push plate is adsorbed on the top of the sampling drill barrel by the suction force of the magnet.

[0014] Furthermore, the bottom of the sampling drill tube is inserted into the tube mouth of the receiving sample tube, and guide holes are symmetrically provided on the outside of the receiving sample tube. The U-shaped pull rod is slidingly connected to the guide hole, and the screw is rotatably connected to the U-shaped pull rod. A screw hole is provided at the end of the receiving sample tube, and the screw is threadedly connected to the screw hole.

[0015] Furthermore, connecting grooves are provided at both ends of the U-shaped pull rod, and the connecting grooves are L-shaped. The ends of the sliders are connected to the connecting grooves. After the coring operation is completed, the pavement sample core is located in the sampling drill barrel. The bottom of the sampling drill barrel is inserted into the barrel mouth of the receiving sample barrel. The end of the slider is located in the connecting groove. The screw is rotated, and the screw drives the movable push plate to move through the U-shaped pull rod. The movable push plate is used to push the pavement sample core located in the sampling drill barrel into the receiving sample barrel.

[0016] The present invention provides a road surface coring drill device for supervision, which has the following beneficial effects: When the present invention is in use, the card block and the card slot cooperate with each other, and the sampling drill barrel and the drive joint are connected together by a rotating card connection, making it easier to disassemble, assemble and replace the drive joint, so that the appropriate drive joint can be replaced according to the different types of handheld drill rigs, better meeting the application requirements of different types of handheld drill rigs.

[0017] In addition, when the sampling drill barrel and the drive joint are rotated and connected together, the blocking block is located at the innermost end of the blocking slot, and the notch of the blocking slot faces the positioning block. The positioning sleeve is affected by the thrust of the spring and moves and resets along the guide block, so that the positioning block is inserted into the blocking slot, locking and fixing the drive joint, preventing the drive joint from rotating in the opposite direction, and ensuring the firmness of the connection between the drive joint and the sampling drill barrel; when the drive joint needs to be replaced, the positioning sleeve is moved in the opposite direction, the spring is compressed, the positioning block is separated from the blocking slot, the drive joint is unlocked, and the drive joint can be rotated in the opposite direction to be separated from the top of the sampling drill barrel. The operation is simple and easy.

[0018] In addition, the staff stepped on the pedals with both feet and used their own weight to fix the limit vertical cylinder. When the handheld drill drove the sampling drill barrel to rotate, the sampling drill barrel was limited and fixed by the internal rotating wheel of the limit vertical cylinder to prevent the sampling drill barrel from moving. The valve at the bottom of the water storage funnel discharged the water, and the water reached the bottom end of the sampling drill barrel along the limit vertical cylinder, which had the effect of cooling and lubricating the sampling drill barrel, so that the sampling drill barrel could drill into the road surface faster, realize the road surface coring operation, and improve the road surface coring efficiency.

[0019] In addition, when the sampling drill barrel rotates for coring operation, the movable push plate is attracted to the top of the sampling drill barrel by the attraction of the magnet. After the coring operation is completed, the pavement sample core is located in the sampling drill barrel. The bottom of the sampling drill barrel is inserted into the barrel mouth of the receiving sample barrel, and the end of the slider is located in the connecting groove. The screw is rotated, and the screw drives the movable push plate to move through the U-shaped pull rod. The movable push plate is used to push the pavement sample core located in the sampling drill barrel into the receiving sample barrel, so that after the receiving sample barrel is separated from the sampling drill barrel, the pavement sample core can be completely poured out from the receiving sample barrel, effectively ensuring the integrity of the pavement sample core, and thus detecting whether the pavement meets the standards based on the pavement sample core.

[0020] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through study and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments are briefly introduced below.

[0022] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0023] In the attached figure: Figure 1 A schematic diagram of the axial structure of the road surface coring drill device for supervision of the present application is shown, in which the sampling drill tube is inserted into the limiting vertical cylinder; Figure 2 It shows a schematic structural diagram of the sampling drill barrel and the receiving sample barrel of the road surface coring drill device for supervision of the present application in a connected state; Figure 3 A schematic diagram of the connection structure between the sampling drill barrel and the drive joint of the road surface coring drill device for supervision of the present application is shown; Figure 4 A schematic diagram showing the disassembled structure of the movable push plate inside the sampling drill barrel of the road surface coring drill device for supervision of the present application is shown; Figure 5 A schematic diagram of the connection structure of the drive joint, positioning sleeve and spring of the road surface coring drill device for supervision of the present application is shown; Figure 6 A schematic diagram of the connection structure of the limiting vertical cylinder, the rotating wheel and the water storage funnel of the road surface coring drill device for supervision of the present application is shown; Figure 7 A schematic diagram of the connection structure of the sample receiving barrel, U-shaped pull rod and screw rod of the road surface coring drill device for supervision of the present application is shown; Figure 8 The diagram shows the disassembly structure of the sample receiving barrel, U-shaped pull rod and screw rod of the road surface coring drill device for supervision of the present application.

[0024] Reference numerals: 1. Sampling drill barrel; 101. Slot; 102. Movable hole; 2. Drive joint; 201. Block; 202. Guide block; 3. Positioning loop; 301. Slide hole; 302. Positioning block; 4. Spring; 5. Limiting vertical cylinder; 501. Pedal; 6. Rotary wheel; 7. Water storage funnel; 701. Valve; 8. Movable push plate; 801. Slider; 9. Magnet; 10. Sample receiving barrel; 1001. Guide hole; 1002. Screw hole; 11. U-shaped pull rod; 1101. Connecting groove; 12. Screw. DETAILED DESCRIPTION

[0025] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] Please refer to Figures 1 to 8 :Example 1: The present invention proposes a road surface coring drill device for supervision, comprising: a sampling drill barrel 1, a driving joint 2, a positioning sleeve 3, a limiting vertical cylinder 5, a movable push plate 8, a receiving sample barrel 10, a U-shaped pull rod 11 and a screw 12; the top of the sampling drill barrel 1 is connected to the driving joint 2, and the top of the driving joint 2 is connected to the handheld drilling rig; the outside of the driving joint 2 is sheathed with a positioning sleeve 3, and the positioning sleeve 3 is in contact with the top of the sampling drill barrel 1; the limiting vertical cylinder 5 is placed on the road surface, and the sampling drill barrel 1 is vertically inserted into the limiting vertical cylinder 5; the inside of the sampling drill barrel 1 is connected to the movable push plate 8, and the bottom of the sampling drill barrel 1 is connected to the receiving sample barrel 10; the outside of the receiving sample barrel 10 is connected to the U-shaped pull rod 11, and the inside of the receiving sample barrel 10 is connected to the screw 12. The screw 12 is connected to the U-shaped pull rod 11, and the end of the U-shaped pull rod 11 is connected to the movable push plate 8; the drive joint 2 is divided into two types: square handle and round handle. The bottom end of the drive joint 2 is inserted into the top of the sampling drill barrel 1. Two card slots 101 are arranged around the top of the sampling drill barrel 1. The card slot 101 is L-shaped. Two card blocks 201 are arranged around the bottom end of the drive joint 2, and the card blocks 201 are connected to the card slots 101; the card blocks 201 cooperate with the card slots 101 to connect the sampling drill barrel 1 and the drive joint 2 together by a rotating card connection, making it easier to disassemble, assemble and replace the drive joint 2, so that the appropriate drive joint 2 can be replaced according to the different types of handheld drill rigs to better meet the application requirements of different types of handheld drill rigs.

[0027] In this embodiment, the positioning looper 3 is slidably connected to the driving joint 2, the driving joint 2 is symmetrically provided with a guide block 202 on the outside, the positioning looper 3 is symmetrically provided with a sliding hole 301, the guide block 202 is slidably connected to the sliding hole 301, the driving joint 2 is sleeved with a spring 4 on the outside, the top of the spring 4 contacts the driving joint 2, the bottom of the spring 4 contacts the top of the positioning looper 3, the bottom of the positioning looper 3 is symmetrically provided with a positioning block 302, and the positioning block 302 is inserted into the notch of the card slot 101; By adopting the above technical solution, when the sampling drill barrel 1 and the drive joint 2 are rotated and connected together, the clamping block 201 is located at the innermost end of the clamping slot 101, and the notch of the clamping slot 101 faces the positioning block 302. The positioning sleeve 3 is moved and reset along the guide block 202 under the thrust of the spring 4, so that the positioning block 302 is inserted into the clamping slot 101, locking and fixing the drive joint 2, preventing the drive joint 2 from rotating in the opposite direction, and ensuring the firmness of the connection between the drive joint 2 and the sampling drill barrel 1; when the drive joint 2 needs to be replaced, the positioning sleeve 3 is moved in the opposite direction, the spring 4 is compressed, the positioning block 302 is separated from the clamping slot 101, the drive joint 2 is unlocked, and the drive joint 2 can be rotated in the opposite direction to be separated from the top of the sampling drill barrel 1. The operation is simple and easy.

[0028] In this embodiment, the top of the limiting vertical cylinder 5 is in an outward-flashing shape, and a pedal 501 is symmetrically provided at the bottom of the limiting vertical cylinder 5. A rotating wheel 6 is connected to the inside of the limiting vertical cylinder 5, and the rotating wheel 6 is in rolling contact with the sampling drill tube 1. A water storage funnel 7 is fixedly installed on the top of the limiting vertical cylinder 5, and a valve 701 is provided at the bottom of the water storage funnel 7. The valve 701 is located at one end of the top of the limiting vertical cylinder 5; By adopting the above technical solution, the staff steps on the pedal 501 with both feet and uses their own weight to fix the limit vertical cylinder 5. When the handheld drill drives the sampling drill barrel 1 to rotate, the sampling drill barrel 1 is limited and fixed by the rotating wheel 6 inside the limit vertical cylinder 5 to prevent the sampling drill barrel 1 from moving. The valve 701 at the bottom of the water storage funnel 7 discharges the water, and the water reaches the bottom end of the sampling drill barrel 1 along the limit vertical cylinder 5, which has the effect of cooling and lubricating the sampling drill barrel 1, so that the sampling drill barrel 1 can drill into the road surface faster, realize the road surface coring operation, and improve the road surface coring efficiency.

[0029] Embodiment 2, on the basis of embodiment 1, the movable push plate 8 is slidably connected to the sampling drill tube 1, and the sampling drill tube 1 is symmetrically provided with a movable hole 102, and the movable push plate 8 is symmetrically provided with a slider 801 on the outside. The slider 801 is slidably connected to the movable hole 102, and a magnet 9 is embedded on the top of the movable push plate 8. The top side of the magnet 9 is suction-connected to the inner wall of the top of the sampling drill tube 1, and the bottom of the sampling drill tube 1 is inserted into the tube mouth of the receiving sample tube 10. The receiving sample tube 10 is symmetrically provided with a guide hole 1001 on the outside, and the U-shaped pull rod 11 is slidably connected to the guide hole 1001. The screw 12 is rotatably connected to the U-shaped pull rod 11, and the end of the receiving sample tube 10 is provided with a screw hole 1002. The screw 12 is threadedly connected to the screw hole 1002. Connecting grooves 1101 are provided at both ends of the U-shaped pull rod 11. The connecting groove 1101 is L-shaped, and the end of the slider 801 is connected to the connecting groove 1101; By adopting the above technical solution, when the sampling drill barrel 1 rotates for coring operation, the movable push plate 8 is adsorbed on the top of the sampling drill barrel 1 by the suction force of the magnet 9. After the coring operation is completed, the pavement sample core is located in the sampling drill barrel 1. The bottom of the sampling drill barrel 1 is inserted into the barrel mouth of the receiving sample barrel 10. The end of the slider 801 is located in the connecting groove 1101. The screw 12 is rotated. The screw 12 drives the movable push plate 8 to move through the U-shaped pull rod 11. The movable push plate 8 is used to push the pavement sample core located in the sampling drill barrel 1 into the receiving sample barrel 10. After the receiving sample barrel 10 is separated from the sampling drill barrel 1, the pavement sample core is completely poured out from the receiving sample barrel 10, effectively ensuring the integrity of the obtained pavement sample core, and thus detecting whether the pavement meets the standards based on the pavement sample core.

[0030] The working principle of this embodiment is as follows: first, according to the different types of handheld drill rigs, the appropriate driving joint 2 is replaced, the clamping block 201 cooperates with the clamping slot 101, and the sampling drill tube 1 and the driving joint 2 are connected together by a rotating clamping method; when the sampling drill tube 1 and the driving joint 2 are rotated and clamped together, the clamping block 201 is located at the innermost end of the clamping slot 101, and the notch of the clamping slot 101 faces the positioning block 302. The positioning looper 3 is affected by the thrust of the spring 4 and moves and resets along the guide block 202, so that the positioning block 302 is inserted into the clamping slot 101, locking and fixing the driving joint 2, preventing the driving joint 2 from rotating in the opposite direction, and ensuring the firmness of the connection between the driving joint 2 and the sampling drill tube 1; the limiting vertical cylinder 5 is placed on the road surface, and the staff steps on the pedal 501 with both feet, using their own weight to fix the limiting vertical cylinder 5. When the handheld drill rig drives the sampling drill tube 1 to rotate, the The inner rotating wheel 6 of the limit vertical cylinder 5 limits and fixes the sampling drill tube 1 to prevent the sampling drill tube 1 from moving. The valve 701 at the bottom of the water storage funnel 7 discharges the water, and the water reaches the bottom end of the sampling drill tube 1 along the limit vertical cylinder 5, which has the effect of cooling and lubricating the sampling drill tube 1, so that the sampling drill tube 1 can drill into the road surface more quickly, realizing the road surface coring operation; after the coring operation is completed, the road surface sample core is located in the sampling drill tube 1, the bottom of the sampling drill tube 1 is inserted into the barrel mouth of the receiving sample tube 10, the end of the slider 801 is located in the connecting groove 1101, and the screw 12 is rotated. The screw 12 drives the movable push plate 8 to move through the U-shaped pull rod 11, and the movable push plate 8 is used to push the road surface sample core located in the sampling drill tube 1 into the receiving sample tube 10, so that after the receiving sample tube 10 is separated from the sampling drill tube 1, the road surface sample core is completely poured out from the receiving sample tube 10, and the road surface is checked whether it meets the standards based on the road surface sample core.

[0031] In this article, there are several points to note: 1. The drawings of the embodiments of the present invention only relate to the structures related to the embodiments of the present invention. Other structures may refer to conventional designs.

[0032] 2. In the absence of conflict, the embodiments of the present invention and the features therein may be combined with each other to form new embodiments.

[0033] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A road surface coring drill device for supervision, comprising: A sampling drill barrel (1), a drive joint (2), a positioning sleeve (3), a limiting vertical cylinder (5), a movable push plate (8), a receiving sample barrel (10), a U-shaped pull rod (11) and a screw (12); characterized in that the top of the sampling drill barrel (1) is connected to the drive joint (2), and the top of the drive joint (2) is connected to the handheld drill; the outside of the drive joint (2) is covered with a positioning sleeve (3), and the positioning sleeve (3) is in contact with the top of the sampling drill barrel (1); the limiting vertical cylinder (5) is placed on the road surface, and the sampling drill tube (1) is vertically inserted into the limiting vertical tube (5); the sampling drill tube (1) is internally connected to a movable push plate (8), and the bottom of the sampling drill tube (1) is connected to the receiving sample tube (10); the receiving sample tube (10) is externally connected to a U-shaped pull rod (11), and the receiving sample tube (10) is internally connected to a screw (12), the screw (12) is connected to the U-shaped pull rod (11), and the end of the U-shaped pull rod (11) is connected to the movable push plate (8).

2. A road surface coring drill device for supervision according to claim 1, characterized in that: The drive joint (2) is divided into two types: a square handle and a round handle. The bottom end of the drive joint (2) is inserted into the top of the sampling drill tube (1). Two card slots (101) are arranged around the top of the sampling drill tube (1). The card slots (101) are L-shaped. Two card blocks (201) are arranged around the bottom end of the drive joint (2). The card blocks (201) are connected to the card slots (101).

3. A road surface coring drill device for supervision according to claim 2, characterized in that: The positioning looper (3) is slidably connected to the drive joint (2); a guide block (202) is symmetrically provided on the outside of the drive joint (2); a sliding hole (301) is symmetrically provided on the inside of the positioning looper (3); and the guide block (202) is slidably connected in the sliding hole (301).

4. A road surface coring drill device for supervision according to claim 3, characterized in that: The drive joint (2) is externally sleeved with a spring (4), the top end of the spring (4) contacts the drive joint (2), and the bottom end of the spring (4) contacts the top of the positioning sleeve (3).

5. A road surface coring drill device for supervision according to claim 4, characterized in that: A positioning block (302) is symmetrically provided at the bottom of the positioning loop (3), and the positioning block (302) is inserted into the notch of the card slot (101).

6. A road surface coring drill device for supervision according to claim 1, characterized in that: The top of the limiting vertical cylinder (5) is in an outward-flapping shape, and pedals (501) are symmetrically arranged at the bottom of the limiting vertical cylinder (5). A rotating wheel (6) is connected to the inside of the limiting vertical cylinder (5), and the rotating wheel (6) is in rolling contact with the sampling drill tube (1).

7. A road surface coring drill device for supervision according to claim 6, characterized in that: A water storage funnel (7) is fixedly mounted on the top of the position-limiting vertical cylinder (5), and a valve (701) is provided at the bottom of the water storage funnel (7). The valve (701) is located at one end of the top opening of the position-limiting vertical cylinder (5).

8. The road surface coring drill device for supervision according to claim 1, characterized in that: The movable push plate (8) is slidably connected to the inside of the sampling drill tube (1), and the sampling drill tube (1) is symmetrically provided with a movable hole (102). The movable push plate (8) is symmetrically provided with a slider (801) on the outside, and the slider (801) is slidably connected to the movable hole (102). A magnet (9) is embedded on the top of the movable push plate (8), and the top side of the magnet (9) is attracted and connected to the inner wall of the top of the sampling drill tube (1).

9. A road surface coring drill device for supervision according to claim 8, characterized in that: The bottom of the sampling drill tube (1) is inserted into the tube mouth of the receiving sample tube (10), and the outside of the receiving sample tube (10) is symmetrically provided with a guide hole (1001), the U-shaped pull rod (11) is slidably connected to the guide hole (1001), the screw (12) is rotatably connected to the U-shaped pull rod (11), and the end of the receiving sample tube (10) is provided with a screw hole (1002), and the screw (12) is threadedly connected to the screw hole (1002).

10. A road surface coring drill device for supervision according to claim 9, characterized in that: The U-shaped pull rod (11) is provided with connecting grooves (1101) at both ends. The connecting grooves (1101) are L-shaped, and the ends of the sliders (801) are connected to the connecting grooves (1101).

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