Sampling drill bit for water conservancy project survey

Abstract

The utility model discloses a sampling drill bit for water conservancy project exploration, which relates to water conservancy project exploration and comprises a connecting cylinder, a sleeve rotationally connected to the bottom of the connecting cylinder and a drill bit fixedly connected to the bottom of the sleeve, a connecting seat is fixedly connected to the top of the sleeve, a worm is rotationally connected in the connecting seat, and the other side of the worm is meshed with a turbine. According to the sealing device, the worm drives the worm wheel meshed with the worm to rotate, the worm wheel drives the limiting column to rotate, the gear ring on the limiting column rotates along with the rotation of the limiting column, the gear ring enables the sealing frame to rotate through the gear, and the sealing frame rotates to enable the second limiting block to slide inside. Finally, a first limiting block is matched for limiting to seal one of the sampling grooves, then the rotating handle is rotated again to reach different depths, the previous operation is repeated, all the sampling grooves are sealed, the problem that errors are too large and inaccurate is solved, and sample data are more accurate and credible.

Description

Technical Field

[0001] The utility model relates to the technical field of water conservancy project exploration, and particularly relates to a sampling drill bit for water conservancy project surveying and mapping. Background Technique

[0002] Water conservancy project surveying and mapping refers to work such as surveying, engineering geological exploration, groundwater resource exploration, and irrigation area soil survey for river regulation and water resource development, utilization, and protection. Its task is to investigate and study the nature, function, and internal laws of relevant natural phenomena in the planned river basin or area to be developed, and evaluate and predict the possible mutual influences and various problems that may occur between various water conservancy facilities and the natural environment.

[0003] Existing Chinese patent (CN212539701U3) includes an outer drill rod. A threaded fixed head is fixedly connected to the top of the outer drill rod. Limiting sliding grooves are opened on the outer drill rod, and an inner drill rod is inside the outer drill rod.

[0004] During the use of this device, it is held by hand or installed on a fixed surface at the threaded fixed head. When sampling is required, the adjusting gear is rotated by turning the handle to drive the engaged inner drill rod to move longitudinally. Finally, the sampling head enters the sampling surface, and a sample is obtained at the sampling groove.

[0005] During the use of the above device, the sampling drill bit samples by single sampling. Single sampling only extracts a sample from the overall population once, and its sampling result is not comprehensive and accurate enough. Therefore, it may not be able to fully reflect the characteristics of the overall population. If the accuracy of the measurement data is to be improved, multiple samplings are required, and the operation is relatively cumbersome, and it is not suitable for sampling in complex environments. On this design basis, a new sampling drill bit for water conservancy project surveying and mapping is set. Content of the Utility Model

[0006] The purpose of the utility model is to provide a sampling drill bit for water conservancy project surveying and mapping to solve the problems raised in the above background technique.

[0007] To solve the above technical problems, the utility model provides a connection cylinder, a sleeve rotatably connected to the bottom of the connection cylinder, and a drill bit fixedly connected to the bottom of the sleeve. It is characterized in that: a connection seat is fixedly connected to the top of the sleeve, a worm is rotatably connected inside the connection seat, the other side of the worm meshes with a turbine, a limiting column is fixedly connected to the turbine, a plurality of toothed rings are connected at equal intervals along the axial direction of the limiting column, one side of the toothed ring meshes with a gear, one side of the gear is connected to a sealing frame, the sealing frame is rotatably connected to the sampling cylinder, a plurality of sampling grooves are opened on one side of the sampling cylinder, a second limiting block is integrally formed on the sealing frame, the second limiting block is slidably connected in a limiting groove, the limiting groove is opened on the inner side of the sleeve, and a first limiting block is fixedly connected in the limiting groove.

[0008] Furthermore, a threaded lead screw is rotatably connected inside the connecting cylinder, and a nut is threadedly connected to the threaded lead screw. As the threaded lead screw rotates, the nut drives the sleeve to move up and down.

[0009] Furthermore, symmetric support rods are arranged on the outer side of the connecting cylinder. A fixing rod is inserted into a groove formed in the support rod. Symmetric fixing seats are arranged at the bottom of the fixing rod, and a frustum-shaped base is fixedly connected to the fixing seat. Anti-slip patterns are integrally formed on the base.

[0010] Furthermore, a rotating shaft is fixedly connected to the threaded lead screw, and a rotating handle is rotatably connected to the top of the rotating shaft. Anti-slip patterns are integrally formed on the rotating handle.

[0011] Furthermore, a plurality of the sealing frames are rotatably connected to the sampling cylinder at different angles, and the sealing frames are C-shaped.

[0012] Furthermore, a filter screen is arranged on the sampling groove, and the filter screen is rectangular.

[0013] Furthermore, the first limiting block is concave-shaped and is provided with anti-slip patterns, and the second limiting block is convex-shaped.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1. Before using this device, open the support rods. At this time, the fixing rods connected to the support rods are fixed due to the support of the fixing seats, solving the problem of unstable holding when simply using hands and also solving the problem of inaccurate sampling results.

[0016] 2. When using this device, rotate the rotating handle on the rotating shaft. At this time, the sleeve moves downward under the action of the threaded lead screw inside the connecting cylinder and the nut rotatably connected thereto, and at the same time drives the drill bit to rotate for exploration. After the drill bit moves to a certain depth, rotate the worm inside the rotating connection seat. At this time, the worm drives the turbine meshed with it to rotate, and the turbine drives the limiting column to rotate. Through the rotation of the limiting column, the toothed ring on the limiting column also rotates accordingly. The toothed ring makes the sealing frame rotate through the gear. The rotation of the sealing frame enables the second limiting block to slide inside and finally cooperate with the first limiting block to limit and seal one of the sampling grooves. Then rotate the rotating handle again to reach different depths and repeat the previous operation to seal all the sampling grooves. Then rotate the rotating handle in the reverse direction to take out the sealed multiple samples. This process solves the problem of excessive error and inaccuracy caused by few sampling times, making the sample data more accurate and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic structural diagram of a sampling drill bit for water conservancy project survey of the present utility model;

[0018] Figure 2 Structural schematic diagram of the external rod and internal structure of a sampling drill bit for water conservancy project survey of the present utility model;

[0019] Figure 3 Internal structure diagram of the sleeve of a sampling drill bit for water conservancy project survey of the present utility model;

[0020] Figure 4 Cross-sectional view of the sleeve of a sampling drill bit for water conservancy project survey of the present utility model;

[0021] Figure 5 Rotating structure diagram of the sealing frame of the present utility model;

[0022] Figure 6 is Figure 2 Enlarged view of the structure at position A in

[0023] In the figure: 1. Connecting cylinder; 2. Rotating shaft; 3. Rotating handle; 4. Support rod; 5. Fixed rod; 6. Fixed seat; 7. Sleeve; 8. Drill bit; 9. Connecting seat; 10. Limit post; 11. Nut; 12. Threaded lead screw; 13. Limit rod; 14. Sealing frame; 15. Sampling groove; 16. Filter screen; 17. Limit groove; 18. First limit block; 19. Second limit block; 20. Worm; 21. Turbine; 22. Gear; 23. Tooth ring; 24. Sampling cylinder. Specific implementation manners

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0025] Please refer to Figures 1-6 , the present utility model provides a technical solution: A connecting seat 9 is fixedly connected to the top of the sleeve 7, a worm 20 is rotatably connected inside the connecting seat 9, the other side of the worm 20 meshes with a turbine 21, a limit post 10 is fixedly connected to the turbine 21, a plurality of tooth rings 23 are connected at equal intervals along the axial direction of the limit post 10, one side of the tooth ring 23 meshes with a gear 22, one side of the gear 22 is connected to a sealing frame 14, the sealing frame 14 is rotatably connected to the sampling cylinder 24, a plurality of sampling grooves 15 are opened on one side of the sampling cylinder 24, a second limit block 19 is integrally formed on the sealing frame 14, the second limit block 19 is slidably connected in the limit groove 17, the limit groove 17 is opened on the inner side of the sleeve 7, and a first limit block 18 is fixedly connected in the limit groove 17;

[0026] The first limiting block 18 is concave-shaped and is provided with anti-slip grooves, and the second limiting block 19 is convex-shaped;

[0027] A rotating shaft 2 is fixedly connected to the threaded lead screw 12, the top of the rotating shaft 2 is rotatably connected to a rotating handle 3, and the rotating handle 3 is integrally formed with anti-slip grooves.

[0028] During specific implementation, rotate the rotating handle 3 on the rotating shaft 2. At this time, the sleeve 7 moves downward under the action of the threaded lead screw 12 in the connecting cylinder and the nut 11 rotatably connected thereto, and at the same time drives the drill bit 8 to rotate for exploration. After the drill bit 8 moves to a certain depth, rotate the worm 20 in the rotating connection seat 9. At this time, the worm 20 drives the turbine 21 meshing with it to rotate, and the turbine 21 drives the limiting column 10 to rotate. Through the rotation of the limiting column 10, the toothed ring 23 on the limiting column 10 also rotates accordingly. The toothed ring 23 makes the sealing frame 14 rotate through the gear 22. The rotation of the sealing frame 14 causes the second limiting block 19 to slide inside and finally cooperate with the first limiting block 18 to limit and seal one of the sampling grooves 15. Then rotate the rotating handle 3 again to reach different depths, repeat the previous operation, seal all the sampling grooves 15, and then rotate the rotating handle 3 in the reverse direction to take out the sealed multiple samples. This setting facilitates sampling of different layers.

[0029] Furthermore, symmetric support rods 4 are provided on the outer side of the connecting cylinder 1. A fixing rod 5 is inserted into the groove opened on the support rod 4. Symmetric fixing seats 6 are provided at the bottom of the fixing rod 5. A frustum-shaped base is fixedly connected to the fixing seat 6, and the base is integrally formed with anti-slip grooves.

[0030] When fixing this device, refer to Figure 1 As shown, open the support rod 4, use the fixing rod 5, and then use the fixing seat 6 to fix the connecting cylinder 1.

[0031] During specific implementation, the support rod 4 is not limited in order to enable different opening angles of the support rod 4 required when the connecting cylinder 1 conducts exploration.

[0032] During exploration, refer to Figure 2 , a threaded lead screw 12 is rotatably connected inside the connecting cylinder 1, and a nut 11 is threadedly connected to the threaded lead screw 12. As the threaded lead screw 12 rotates, the nut 11 drives the sleeve 7 to move up and down;

[0033] During specific implementation, the sleeve 7 and the drill bit 8 are driven to rotate downward by the nut 11 driven by the rotation of the threaded lead screw 12.

[0034] Specifically, a limiting rod 13 is connected inside the connecting cylinder 1 for limiting and guiding the nut 11.

[0035] During specific implementation, it is necessary to connect the connecting cylinder 1 and the sleeve 7 through a connecting rod to increase its stability.

[0036] Refer to Figure 3 , multiple sealing frames 14 are rotatably connected to the sampling cylinder 24 at different angles, and the sealing frame 14 is C-shaped;

[0037] The distances that multiple sealing frames 14 need to rotate to seal the sampling grooves 15 are different. The sampling groove 15 at the bottom is sealed first, indicating that the sampling groove 15 closer to the drill bit 8 is sampled first during sampling.

[0038] A filter screen 16 is arranged on the sampling groove 15, and the filter screen 16 is rectangular.

[0039] During specific implementation, the filter screen 16 on the sampling groove 15 can be disassembled and cleaned to make the sampling effect more accurate.

[0040] When sampling, refer to Figure 5 , multiple tooth rings 23 rotate on the upper gear 22, causing the sealing frame 14 to rotate.

[0041] During specific implementation, the gear 22 can be regularly lubricated with oil for the tooth ring 23 to reduce its wear.

[0042] Working principle:

[0043] 1. Before using this device, open the support rod 4. At this time, the fixed rod 5 connected to the support rod 4 is fixed due to the support of the fixed seat 6.

[0044] 2. When using this device, rotate the handle 3 on the rotating shaft 2. At this time, the sleeve 7 moves downward under the action of the threaded lead screw 12 in the connecting cylinder and the nut 11 rotatably connected thereto, and at the same time drives the drill bit 8 to rotate for exploration. After the drill bit 8 moves to a certain depth, rotate the worm 20 in the rotating connection seat 9. At this time, the worm 20 drives the turbine 21 meshing with it to rotate, and the turbine 21 drives the limit post 10 to rotate. Through the rotation of the limit post 10, the tooth ring 23 on the limit post 10 also rotates accordingly. The tooth ring 23 causes the sealing frame 14 to rotate through the gear 22. The rotation of the sealing frame 14 causes the second limit block 19 to slide inside and finally cooperate with the first limit block 18 to limit and seal one of the sampling grooves 15. Subsequently, rotate the handle 3 again to reach different depths and repeat the previous operation to seal all the sampling grooves 15. Then, rotate the handle 3 in the reverse direction to take out the sealed multiple samples.

Claims

1. A water conservancy project survey sampling drill bit, comprising a connecting cylinder (1), a sleeve (7) rotatably connected to the bottom of the connecting cylinder (1), and a drill bit (8) fixedly connected to the bottom of the sleeve (7), characterized in that: A connecting seat (9) is fixedly connected to the top of the sleeve (7). A worm (20) is rotatably connected inside the connecting seat (9). The other side of the worm (20) meshes with a turbine (21). A limiting column (10) is fixedly connected to the turbine (21). A plurality of toothed rings (23) are connected at equal intervals along the axial direction of the limiting column (10). One side of the toothed ring (23) meshes with a gear (22). One side of the gear (22) is connected to a sealing frame (14). The sealing frame (14) is rotatably connected to the sampling cylinder (24). A plurality of sampling grooves (15) are formed on one side of the sampling cylinder (24). A second limiting block (19) is integrally formed on the sealing frame (14). The second limiting block (19) is slidably connected in a limiting groove (17). The limiting groove (17) is formed inside the sleeve (7). A first limiting block (18) is fixedly connected inside the limiting groove (17).

2. The water conservancy project survey sampling drill bit according to claim 1, characterized in that: A threaded lead screw (12) is rotatably connected inside the connecting cylinder (1). A nut (11) is threadedly connected to the threaded lead screw (12). As the threaded lead screw (12) rotates, the nut (11) drives the sleeve (7) to move up and down.

3. The a kind of water conservancy project survey sampling drill bit as described in claim 1, characterized in that: Symmetric support rods (4) are arranged on the outer side of the connecting cylinder (1). A fixing rod (5) is inserted into a groove formed on the support rod (4). Symmetric fixing seats (6) are arranged at the bottom of the fixing rod (5). A frustum-shaped base is fixedly connected to the fixing seat (6). Anti-slip patterns are integrally formed on the base.

4. The a water conservancy project survey sampling drill bit according to claim 2, characterized in that: A rotating shaft (2) is fixedly connected to the threaded lead screw (12). The top of the rotating shaft (2) is rotatably connected to a rotating handle (3). Anti-slip patterns are integrally formed on the rotating handle (3).

5. The water conservancy project exploration sampling drill bit according to claim 1, characterized in that: A plurality of the sealing frames (14) are rotatably connected to the sampling cylinder (24) at different angles, and the sealing frame (14) is C-shaped.

6. The water conservancy project survey sampling drill bit according to claim 1, characterized in that: A filter screen (16) is arranged on the sampling groove (15). The filter screen (16) is rectangular.

7. The water conservancy project survey sampling drill bit according to claim 1, characterized in that: The first limiting block (18) is concave-shaped and is provided with anti-slip patterns. The second limiting block (19) is convex-shaped.

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