Road construction detection coring device
By designing support devices in the core extraction device, including discs, rings, round rods and sector blocks, ensure that the drill bit maintains a stable angle when drilling, solving the problem of core samples caused by deflection of the drill bit angle during core extraction, and improving the accuracy of core extraction.
Patent Information
- Application Number
- CN202421005984.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-05-10
AI Technical Summary
When using the core extraction device for core extraction, the device itself and the drill bit will vibrate during the drill bit drilling into the ground, causing the angle between the drill bit to deflect and the ground, causing the core sample to deform or damage, affecting the accuracy of core extraction.
A core picking device including a base, a pole, a screw, a motor, a drill bit and a support device is designed. By setting up discs, rings, rods and sector blocks, the motor and screws are used to ensure that the drill bit maintains a stable angle when drilling and avoids deflection.
It effectively avoids the angle deviation of the drill bit when drilling, reduces the possibility of deformation or damage of the core sample, and improves the accuracy and stability of core extraction.
Smart Images
Figure CN222561343U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of coring devices, in particular to a coring device for road construction detection. Background Art
[0002] Road coring is a method used to evaluate road quality and durability. The coring equipment is used to drill the core sample tube at a specified speed and pressure, and the core sample tube is driven into the road surface. After the drilling is completed, the core sample is taken out and various tests are carried out on the core sample.
[0003] When using a coring device for coring, the device itself and the drill bit will vibrate when drilling the drill bit into the ground, which may cause the angle between the drill bit and the ground to deviate, causing the core sample to deform or be damaged, affecting the accuracy of coring. Utility Model Content
[0004] The utility model aims to solve the problem that when using a coring device for coring, the device itself and the drill bit will vibrate in the process of drilling the drill bit into the ground, which may cause the angle between the drill bit and the ground to deviate, resulting in deformation or damage of the core sample, affecting the accuracy of coring, and thus proposes a road construction detection coring device.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a road construction detection coring device, comprising a base, the top of the base is fixedly connected to a vertical pole, one side of the vertical pole is provided with a screw rod, the outer surface of the screw rod is threadedly connected to a motor, one side of the motor slides on the outer surface of the vertical pole, the bottom end of the motor is provided with a drill bit, one side of the drill bit is provided with a supporting device, the supporting device comprises a disc, the top of the disc is fixedly connected to a cylinder, the inner wall of the cylinder is slidably connected to a round rod, the top of the round rod is fixedly connected to a rectangular rod, one end of the rectangular rod is fixedly connected to a ring, and the inner wall of the ring rotates on the top of the outer surface of the drill bit.
[0006] The effect achieved by the above components is: by setting the disc, when using the coring device, the disc can be placed on the ground on one side of the coring point, and one foot is stepped on the top of the disc. The drill bit will rotate on the inner wall of the ring when drilling downward, and the round rod will slide downward on the inner wall of the cylinder. The angle between the drill bit and the motor is further reinforced by the ring, so as to avoid as much as possible the problem of deformation or damage of the core sample caused by the deviation of the angle of the drill bit when drilling.
[0007] Preferably, a plurality of L-shaped rods are fixedly connected to the top end of the cylinder, a positioning ring is fixedly connected to the top end of the L-shaped rod, and the outer surface of the round rod slides on the inner wall of the positioning ring.
[0008] The effect achieved by the above components is that the angle between the round rod and the cylinder can be further limited by providing the positioning ring, thereby preventing the round rod from shaking when sliding on the inner wall of the cylinder as much as possible.
[0009] Preferably, one side of the cylinder is fixedly connected to a groove rod, the inner wall of the groove rod is slidably connected to a sliding rod, the end of the sliding rod away from the groove rod is fixedly connected to a fan-shaped block, one side of the sliding rod is fixedly connected to a screw rod, and the outer surface of the screw rod is threadedly connected to a threaded ring.
[0010] The effect achieved by the above components is: when using the supporting device, the sliding rod can be pulled to slide on the inner wall of the groove rod so that one side of the fan-shaped block fits against the outer surface of the drill bit, and the threaded ring is rotated to move the threaded ring on the outer surface of the screw in the direction of the groove rod, and one side of the threaded ring is pressed against the outer surface of the groove rod to fix the position of the sliding rod and the fan-shaped block. When the drill bit rotates, the outer surface will slide on one side of the fan-shaped block, further limiting the angle of the drill bit and increasing the stability of the drill bit when it rotates.
[0011] Preferably, one end of the screw rod away from the sliding rod is fixedly connected with a round block, and the diameter of the round block is larger than the diameter of the screw rod.
[0012] The effect achieved by the above components is that the movement range of the threaded ring on the outer surface of the screw can be limited by setting the round block, thereby preventing the threaded ring from falling off the surface of the screw when rotating outwards.
[0013] Preferably, a gasket is fixedly connected to one side of the threaded ring, and the gasket is made of rubber material.
[0014] The effect achieved by the above components is that the rubber gasket arranged on the outer surface of the threaded ring is pressed against the outer surface of the groove rod to fix the position of the sliding rod, making it more stable and less likely to slide.
[0015] Preferably, a cleaning device is provided on the outer surface of the fan-shaped block, and the cleaning device comprises a rectangular block, two plug rods are fixedly connected to the bottom end of the rectangular block, a plurality of brushes are fixedly connected to one side of the rectangular block, and two slots are opened at the top of the fan-shaped block.
[0016] The effect achieved by the above components is: inserting the two rods at the bottom of the rectangular block into the two slots at the top of the fan-shaped block can make the rectangular block located at the top of the fan-shaped block. When the coring device is working, the fan-shaped block is against one side of the drill bit. The outer surface of the drill bit can be cleaned by the brush on the outer surface of the rectangular block to clean the dirt on the surface of the drill bit.
[0017] Preferably, a plurality of convex strips are fixedly connected to the outer surface of the insertion rod, and the convex strips are linearly distributed on the outer surface of the insertion rod.
[0018] The effect achieved by the above-mentioned components is that the friction force when the outer surface of the insertion rod contacts the inner wall of the slot can be increased by providing the convex strips, so that the insertion rod is not easy to be separated from the inside of the slot.
[0019] Preferably, a slot block is fixedly connected to one side of the rectangular block, and a groove is formed on the outer surface of the slot block.
[0020] The effect achieved by the above components is that by pinching the groove on the outer surface of the slot block, the rectangular block can be pulled out more conveniently to pull the insertion rod out of the slot to replace the brush.
[0021] Compared with the prior art, the advantages and positive effects of the utility model are:
[0022] In the utility model, by arranging a supporting device, when using the coring device, the disc can be placed on the ground on one side of the coring point, and one foot is stepped on the top of the disc, and the position of the fan-shaped block is adjusted so that one side of the fan-shaped block fits against the outer surface of the drill bit. When the drill bit moves downward and rotates during drilling, it will rotate on the inner wall of the ring. The angle between the drill bit and the motor is further reinforced by the ring and the fan-shaped block, so as to avoid as much as possible the problem of deformation or damage of the core sample caused by the deviation of the angle of the drill bit during drilling. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0024] Figure 2 It is a three-dimensional structural schematic diagram of the base of the utility model;
[0025] Figure 3 It is a three-dimensional structural schematic diagram of the disc of the utility model;
[0026] Figure 4 It is a schematic diagram of the three-dimensional structure of the rectangular block of the utility model.
[0027] Legend: 1. Base; 2. Support device; 3. Cleaning device; 4. Vertical pole; 5. Screw rod; 6. Motor; 7. Drill bit; 21. Ring; 22. Rectangular rod; 23. Round rod; 24. Cylinder; 25. Disc; 26. L-shaped rod; 27. Positioning ring; 28. Slot rod; 29. Sliding rod; 210. Fan-shaped block; 211. Screw rod; 212. Threaded ring; 213. Gasket; 214. Round block; 31. Slot; 32. Insert rod; 33. Rectangular block; 34. Brush; 35. Slot block; 36. Raised strip. DETAILED DESCRIPTION
[0028] Embodiment 1, as Figure 1-3As shown, a road construction detection coring device comprises a base 1, the top of the base 1 is fixedly connected to a vertical pole 4, one side of the vertical pole 4 is provided with a screw rod 5, the outer surface of the screw rod 5 is threadedly connected to a motor 6, one side of the motor 6 slides on the outer surface of the vertical pole 4, a drill bit 7 is provided at the bottom end of the motor 6, and one side of the drill bit 7 is provided with a supporting device 2, the supporting device 2 comprises a disc 25, the top of the disc 25 is fixedly connected to a cylinder 24, the inner wall of the cylinder 24 is slidably connected to a round rod 23, the top of the round rod 23 is fixedly connected to a rectangular rod 22, one end of the rectangular rod 22 is fixedly connected to the outer surface of the vertical pole 4, and the outer surface of the vertical pole 4 is provided with a screw rod 5, and the outer surface of the screw rod 5 is threadedly connected to a motor 6, and one side of the motor 6 slides on the outer surface of the vertical pole 4, and the bottom end of the motor 6 is provided with a drill bit 7, and one side of the drill bit 7 is provided with a supporting device 2, and the supporting device 2 comprises a disc 25, the top of the disc 25 is fixedly connected to a cylinder 24, the inner wall of the cylinder 24 is slidably connected to a round rod 23, the top of the round rod 23 is fixedly connected to a rectangular rod 22, and one end of the rectangular rod 22 is fixedly connected to the outer surface of the vertical pole 4. A circular ring 21 is fixedly connected, and the inner wall of the circular ring 21 rotates on the top of the outer surface of the drill bit 7. By setting a circular disc 25, when using the coring device, the circular disc 25 can be placed on the ground on one side of the coring point, and one foot is stepped on the top of the circular disc 25. When the drill bit 7 moves downward and rotates during drilling, it will rotate on the inner wall of the circular ring 21, and at the same time, the round rod 23 will slide downward on the inner wall of the cylinder 24. The angle between the drill bit 7 and the motor 6 is further reinforced by the circular ring 21, so as to avoid the problem of deformation or damage of the core sample caused by the deviation of the angle of the drill bit 7 during drilling.
[0029] Reference Figure 1-3 As shown, in this embodiment: a plurality of L-shaped rods 26 are fixedly connected to the top of the cylinder 24, a positioning ring 27 is fixedly connected to the top of the L-shaped rod 26, and the outer surface of the round rod 23 slides on the inner wall of the positioning ring 27. By setting the positioning ring 27, the angle between the round rod 23 and the cylinder 24 can be further limited to avoid shaking of the round rod 23 when sliding on the inner wall of the cylinder 24 as much as possible.
[0030] Reference Figure 1-3As shown, in this embodiment: a grooved rod 28 is fixedly connected to one side of the cylinder 24, a sliding rod 29 is slidably connected to the inner wall of the grooved rod 28, a sector block 210 is fixedly connected to one end of the sliding rod 29 away from the grooved rod 28, a screw 211 is fixedly connected to one side of the sliding rod 29, and a threaded ring 212 is threadedly connected to the outer surface of the screw 211. When the support device 2 is used, the sliding rod 29 can be pulled to slide on the inner wall of the grooved rod 28 so that one side of the sector block 210 is attached to the outer surface of the drill bit 7, and the threaded ring 212 is rotated so that the threaded ring 212 moves on the outer surface of the screw 211 in the direction of the grooved rod 28, and one side of the threaded ring 212 is pressed against the outer surface of the grooved rod 28 to fix the position of the sliding rod 29 and the sector block 210. When the drill bit 7 rotates, the outer surface The surface will slide on one side of the fan-shaped block 210, further limiting the angle of the drill bit 7 and increasing the stability of the drill bit 7 when it rotates. A round block 214 is fixedly connected to the end of the screw 211 away from the sliding rod 29. The diameter of the round block 214 is larger than the diameter of the screw 211. By setting the round block 214, the movement range of the threaded ring 212 on the outer surface of the screw 211 can be limited to prevent the threaded ring 212 from falling off the surface of the screw 211 when it rotates outward. A gasket 213 is fixedly connected to one side of the threaded ring 212. The gasket 213 is made of rubber material. The rubber gasket 213 is provided on the outer surface of the threaded ring 212 to be pressed against the outer surface of the groove rod 28 to fix the position of the sliding rod 29, which is more stable and not easy to slide.
[0031] Reference Figure 1 , Figure 3 and Figure 4 In this embodiment: a cleaning device 3 is provided on the outer surface of the fan-shaped block 210, and the cleaning device 3 includes a rectangular block 33, two plug rods 32 are fixedly connected to the bottom end of the rectangular block 33, and a plurality of brushes 34 are fixedly connected to one side of the rectangular block 33. Two slots 31 are provided at the top of the fan-shaped block 210. Inserting the two plug rods 32 at the bottom end of the rectangular block 33 into the two slots 31 at the top end of the fan-shaped block 210 can make the rectangular block 33 located at the top end of the fan-shaped block 210. When the coring device is working, the fan-shaped block 210 is against one side of the drill bit 7, and the outer surface of the drill bit 7 can be cleaned by the brush 34 on the outer surface of the rectangular block 33 to clean the dirt on the surface of the drill bit 7.
[0032] Reference Figure 1 , Figure 3 and Figure 4In the present embodiment: a plurality of ridges 36 are fixedly connected to the outer surface of the insertion rod 32, and the ridges 36 are linearly distributed on the outer surface of the insertion rod 32. By providing the ridges 36, the friction between the outer surface of the insertion rod 32 and the inner wall of the slot 31 can be increased, so that the insertion rod 32 is not easily detached from the inside of the slot 31. A groove block 35 is fixedly connected to one side of the rectangular block 33, and a groove is provided on the outer surface of the groove block 35. By pinching the groove on the outer surface of the groove block 35, the rectangular block 33 can be pulled more conveniently to pull the insertion rod 32 out of the inside of the slot 31 to replace the brush 34.
[0033] Working principle: When using the coring device for core sampling, first place the base 1 on one side of the sampling point, and place the disc 25 on one side of the sampling point, insert the two insertion rods 32 at the bottom of the rectangular block 33 into the two slots 31 at the top of the fan-shaped block 210 so that the rectangular block 33 is located at the top of the fan-shaped block 210, and then adjust the position of the motor 6 on the outer surface of the screw rod 5 by rotating the control rod on one side of the motor 6 so that the bottom end of the drill bit 7 contacts the ground, and then pull the sliding rod 29 to slide on the inner wall of the groove rod 28 so that one side of the fan-shaped block 210 fits on the outer surface of the drill bit 7, rotate the threaded ring 212 so that the threaded ring 212 moves on the outer surface of the screw rod 211 in the direction of the groove rod 28, and press the side provided with the rubber gasket 213 against the outer surface of the groove rod 28 to fix the position of the sliding rod 29 and the fan-shaped block 210, and operate the motor 6 and continue to rotate the control rod to rotate the drill bit 7 and move downward to drill a hole, and at the same time, the two feet are respectively stepped on the top of the disc 25 and the base 1. When the drill bit 7 moves downward during drilling, it will rotate on the inner wall of the ring 21, and the round rod 23 will slide downward on the inner wall of the cylinder 24. The angle between the drill bit 7 and the motor 6 is further reinforced by the ring 21, and the positioning ring 27 can further limit the angle between the round rod 23 and the cylinder 24 to avoid shaking of the round rod 23 when sliding on the inner wall of the cylinder 24 as much as possible. After the drilling is completed, the control rod is rotated in the opposite direction to make the motor 6 rise on the outer surface of the screw rod 5. When the drill bit 7 rises and rotates, the brush 34 on one side of the rectangular block 33 can clean the outer surface of the drill bit 7 to clean the soil on the surface of the drill bit 7, and then the core sample in the hole can be taken out.
Claims
1. A road construction detection coring device, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a vertical pole (4), one side of the vertical pole (4) is provided with a screw rod (5), the outer surface of the screw rod (5) is threadedly connected to a motor (6), one side of the motor (6) slides on the outer surface of the vertical pole (4), the bottom end of the motor (6) is provided with a drill bit (7), one side of the drill bit (7) is provided with a support device (2), the support device (2) comprises a disc (25), the top of the disc (25) is fixedly connected to a cylinder (24), the inner wall of the cylinder (24) is slidably connected to a round rod (23), the top of the round rod (23) is fixedly connected to a rectangular rod (22), one end of the rectangular rod (22) is fixedly connected to a circular ring (21), the inner wall of the circular ring (21) rotates on the top of the outer surface of the drill bit (7).
2. A road construction detection coring device according to claim 1, characterized in that: A plurality of L-shaped rods (26) are fixedly connected to the top of the cylinder (24), a positioning ring (27) is fixedly connected to the top of the L-shaped rod (26), and the outer surface of the round rod (23) slides on the inner wall of the positioning ring (27).
3. A road construction detection coring device according to claim 2, characterized in that: A groove rod (28) is fixedly connected to one side of the cylinder (24), a sliding rod (29) is slidably connected to the inner wall of the groove rod (28), a sector block (210) is fixedly connected to one end of the sliding rod (29) away from the groove rod (28), a screw rod (211) is fixedly connected to one side of the sliding rod (29), and a threaded ring (212) is threadedly connected to the outer surface of the screw rod (211).
4. A road construction detection coring device according to claim 3, characterized in that: One end of the screw rod (211) away from the sliding rod (29) is fixedly connected with a round block (214), and the diameter of the round block (214) is larger than the diameter of the screw rod (211).
5. A road construction detection coring device according to claim 4, characterized in that: A gasket (213) is fixedly connected to one side of the threaded ring (212), and the gasket (213) is made of rubber material.
6. A road construction detection coring device according to claim 5, characterized in that: The outer surface of the sector block (210) is provided with a cleaning device (3), the cleaning device (3) comprising a rectangular block (33), the bottom end of the rectangular block (33) being fixedly connected to two insertion rods (32), one side of the rectangular block (33) being fixedly connected to a plurality of brushes (34), and the top end of the sector block (210) being provided with two slots (31).
7. A road construction detection coring device according to claim 6, characterized in that: A plurality of convex strips (36) are fixedly connected to the outer surface of the insertion rod (32), and the convex strips (36) are linearly distributed on the outer surface of the insertion rod (32).
8. A road construction detection coring device according to claim 6, characterized in that: A slot block (35) is fixedly connected to one side of the rectangular block (33), and a groove is formed on the outer surface of the slot block (35).