Sand-taking drilling tool for core drilling
By designing a support cylinder and a buffer structure, the problems of shaking and displacement of the core drill bit when breaking rocks were solved, achieving vertical stability and vibration reduction of the drill bit, and improving the stability and effectiveness of drilling.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA GEOLOGICAL SURVEY HARBIN NATURAL RESOURCES COMPREHENSIVE SURVEY CENT
- Filing Date
- 2023-12-29
- Publication Date
- 2026-04-17
AI Technical Summary
Existing core drilling tools for sand extraction exert large impact forces when breaking rocks, causing the tools to vibrate violently and deviate, thus affecting operational stability.
A core drilling tool for sand extraction was designed, which adopts a combination structure of support cylinder, moving block, slip ring and support frame to make the drill tool vertically placed. The drill tool vibration is reduced and the stability is improved by the cooperation of buffer spring and slider.
It effectively prevents drill bit tilting, reduces hand vibration, and improves drilling efficiency and operational stability.
Smart Images

Figure CN224134575U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of core drilling, and in particular to a core drilling tool for sand extraction. Background Technology
[0002] Core drilling is a common exploration method used in solid mineral geological exploration. A cylindrical drill bit and drilling tools break the rock in a circular pattern at the bottom of the hole, leaving a columnar core in the center of the bottom of the hole. The core is taken out from the hole to study the geological and mineral conditions, hence the name core drilling.
[0003] Drilling tools refer to tools used for drilling, piercing, and other related tasks; they mainly include drilling (well drilling) tools and metallurgical furnace drilling tools.
[0004] Existing core drilling tools for sand extraction are typically operated by workers who move the tool downwards to break the rock. However, the impact force during the rock breaking process is relatively large, which can cause the drill tool to vibrate violently, making it unstable for workers to hold it. This can also cause the drill tool to deviate, affecting the sand extraction work.
[0005] Therefore, it is necessary to propose a core drilling tool for sand extraction to solve the above problems. Utility Model Content
[0006] The main purpose of this utility model is to provide a core drilling tool for sand extraction, which can effectively solve the problems in the background technology.
[0007] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0008] A core drilling tool for sand extraction includes a housing. Frames are connected to the middle of both sides of the housing. Slider blocks are slidably connected to the middle of one side of the inner wall of each of the two frames. One side of each slider extends through to one side of the two frames. Buffer springs are connected to the upper and lower ends of each slider. The upper ends of several buffer springs are connected to the upper ends of the inner walls of the two frames, and the lower ends of the other buffer springs are connected to the lower ends of the inner walls of the two frames. A handle is connected to the middle of one side of each slider. A motor is connected to the lower end of the housing. A first gear is connected to the output end of the motor. A second gear is meshed with one side of the first gear. A rotating rod is connected to the middle of the middle of the second gear. The upper end of the rotating rod is connected to the middle of the upper end of the housing's inner wall. A drill barrel is connected to the lower end of the rotating rod. The lower end of the drill barrel extends through to the lower end of the housing. A drill bit is connected to the lower end of the drill barrel. A sand extraction groove is formed in the middle of the lower end of the drill bit. A support assembly is connected to the middle of the lower end of the housing.
[0009] Preferably, the support assembly includes a support cylinder, the drill cylinder is located inside the support cylinder, and movable blocks are slidably connected to the lower parts of both sides of the support cylinder. A slip ring is connected to one side of each of the two movable blocks, and a support frame is connected to the middle of both sides of the slip ring.
[0010] Preferably, there are two sets of support frames, and the lower end of each support frame is connected to an anti-slip pad, which is made of rubber.
[0011] Preferably, each side of the support cylinder has a moving groove corresponding to two moving blocks, and one end of each of the two moving blocks is slidably connected inside the two moving grooves.
[0012] Preferably, there are two sets of handles, and the outer side of each handle is covered with an anti-slip sleeve made of rubber.
[0013] Preferably, a groove is provided on one side of the frame corresponding to the slider, and the slider is slidably connected inside the groove.
[0014] Preferably, a stabilizing plate is connected to the upper outer side of the drill barrel, and sliding rods are connected to both sides of the lower end of the stabilizing plate. The lower ends of the two sliding rods are slidably connected to the lower end of the inner wall of the box.
[0015] Preferably, a bearing is embedded at the connection between the upper end of the rotating rod and the housing.
[0016] Beneficial effects
[0017] Compared with the prior art, this utility model provides a core drilling tool for sand extraction, which has the following characteristics:
[0018] Beneficial effects:
[0019] 1. This core drilling sand extraction tool, through the cooperation of the set support cylinder, moving block, slip ring and support frame, can be supported by two support frames, so that the device is placed completely perpendicular to the ground, which improves the core drilling effect, can avoid the drill tool from tilting, and improves the practicality of the sand extraction tool.
[0020] 2. This core drilling tool for sand extraction, through the coordinated design of its housing, frame, slider, buffer spring, and handle, mitigates the impact of severe vibrations that may occur when the drill is drilling into the rock. The buffer spring cushions the slider, which in turn cushions the handle, reducing the vibration felt by the user and improving the overall performance of the tool. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the structure of this utility model;
[0022] Figure 2 This is a cross-sectional view of the present invention;
[0023] Figure 3 This is a schematic diagram of the installation structure of the handle of this utility model;
[0024] Figure 4 This is a utility model Figure 2 A magnified structural diagram of A.
[0025] In the diagram: 1. Box body; 2. Frame body; 3. Slider; 4. Buffer spring; 5. Handle; 6. Motor; 7. First gear; 8. Second gear; 9. Rotating rod; 10. Drill barrel; 11. Drill bit; 12. Sand trough; 13. Support cylinder; 14. Moving block; 15. Slip ring; 16. Support frame. Detailed Implementation
[0026] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0027] like Figure 1-4As shown, a core drilling tool for sand extraction includes a housing 1. Frames 2 are connected to the middle of both sides of the housing 1. Slider 3 is slidably connected to the middle of one side of the inner wall of each frame 2, fixing one end of a handle 5. One side of each slider 3 extends through to one side of each frame 2. Buffer springs 4 are connected to the upper and lower ends of each slider 3 to cushion the upper and lower ends. The upper ends of several buffer springs 4 are connected to the upper ends of the inner walls of the two frames 2, and the lower ends of other buffer springs 4 are connected to the lower ends of the inner walls of the two frames 2. A handle 5 is connected to the middle of one side of block 3. A motor 6 is connected to the lower end of the inner wall of box 1, driving the first gear 7 to rotate. The output end of motor 6 is connected to the first gear 7. A second gear 8 is meshed with one side of the first gear 7. A rotating rod 9 is connected to the middle of the second gear 8. The upper end of the rotating rod 9 is connected to the middle of the upper end of the inner wall of box 1. A drill barrel 10 is connected to the lower end of the rotating rod 9. The lower end of the drill barrel 10 extends through to the lower end of box 1. A drill bit 11 is connected to the lower end of the drill barrel 10 to drill the rock. A sand-collecting groove 12 is opened in the middle of the lower end of the drill bit 11. The device is connected to a support assembly, which includes a support cylinder 13 to support the device. The drill barrel 10 is located inside the support cylinder 13. Movable blocks 14 are slidably connected to the lower parts of both sides of the support cylinder 13. Slip rings 15 are connected to one side of each of the two movable blocks 14. Support frames 16 are connected to the middle of both sides of the slip rings 15, allowing the device to be placed on the upper part of the rock, so that the device is set perpendicular to the rock. There are two sets of support frames 16. Anti-slip pads made of rubber are connected to the lower end of the support frames 16. Two movable blocks are respectively located on both sides of the support cylinder 13. There are 14 movable slots. One end of each of the two movable blocks 14 is slidably connected inside the two movable slots. There are two sets of handles 5. The outside of each handle 5 is covered with an anti-slip sleeve made of rubber. A sliding groove is opened on one side of the frame 2 corresponding to the slider 3. The slider 3 is slidably connected inside the sliding groove. A stabilizing plate is connected to the upper part of the outside of the drill barrel 10 to improve the stability of the drill barrel 10 rotation. Sliding rods are connected to both sides of the lower end of the stabilizing plate. The lower ends of the two sliding rods are slidably connected to the lower end of the inner wall of the box 1. A bearing is embedded at the connection between the upper end of the rotating rod 9 and the box 1.
[0028] It should be noted that this utility model is a core drilling tool for sand extraction. In use, two support frames 16 are placed on the top of the rock to support the device. The operator holds two handles 5, and the motor 6 drives the first gear 7 to rotate, which in turn rotates the second gear 8, the rotating rod 9, the drill barrel 10, and the drill bit 11 to drill the rock. At the same time, the operator presses the housing 1 downward, causing the slip ring 15 to slide outside the support barrel 13. The drill bit 11 and the drill barrel 10 move downward to drill the rock. The buffer spring 4 buffers the slider 3 and can reduce the shock of the handles 5.
[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A core drilling sand extraction drill assembly comprising a housing (1) characterised in that: The box (1) is connected to the middle of both sides of the frame (2). A slider (3) is slidably connected to the middle of one side of the inner wall of each of the two frames (2). One side of each slider (3) extends through to one side of each of the two frames (2). A buffer spring (4) is connected to the upper and lower sides of each slider (3). The upper ends of several buffer springs (4) are connected to the upper ends of the inner walls of the two frames (2), and the lower ends of the other buffer springs (4) are connected to the lower ends of the inner walls of the two frames (2). A handle (5) is connected to the middle of one side of each slider (3). A handle (5) is connected to the lower end of the inner wall of the box (1). A motor (6) is connected to the side, and a first gear (7) is connected to the output end of the motor (6). A second gear (8) is meshed with one side of the first gear (7). A rotating rod (9) is connected to the middle of the second gear (8). The upper end of the rotating rod (9) is connected to the middle of the upper end of the inner wall of the box (1). A drill cylinder (10) is connected to the lower end of the rotating rod (9). The lower end of the drill cylinder (10) extends through to the lower end of the box (1). A drill bit (11) is connected to the lower end of the drill cylinder (10). A sand-collecting groove (12) is opened in the middle of the lower end of the drill bit (11). A support component is connected to the middle of the lower end of the box (1).
2. A core drilling sand extraction drill tool as claimed in claim 1, characterized in that: The support assembly includes a support cylinder (13), the drill barrel (10) is located inside the support cylinder (13), and movable blocks (14) are slidably connected to the lower parts of both sides of the support cylinder (13). A slip ring (15) is connected to one side of each of the two movable blocks (14), and a support frame (16) is connected to the middle of both sides of the slip ring (15).
3. A core drilling sand extraction drill tool as claimed in claim 2, characterized in that: The number of the support frame (16) is two sets, and the lower end of the support frame (16) is connected to an anti-slip pad, which is made of rubber.
4. A core drilling sand extraction drill tool as defined in claim 2, wherein: The support cylinder (13) has two moving slots on each side corresponding to two moving blocks (14), and one end of each of the two moving blocks (14) is slidably connected inside the two moving slots.
5. A core drilling sand extraction drill tool as defined in claim 1, wherein: The number of handles (5) is two sets, and the handles (5) are covered with anti-slip sleeves on the outside, which are made of rubber.
6. A core drilling sand extraction drill tool as defined in claim 1, wherein: A groove is provided on one side of the frame (2) corresponding to the slider (3), and the slider (3) is slidably connected inside the groove.
7. A core drilling sand extraction drill tool as defined in claim 1, wherein: A stabilizing plate is connected to the upper part of the outer side of the drill barrel (10), and sliding rods are connected to both sides of the lower end of the stabilizing plate. The lower ends of the two sliding rods are slidably connected to the lower end of the inner wall of the box (1).
8. A core drilling sand extraction drill tool as defined in claim 1, wherein: A bearing is embedded at the connection between the upper end of the rotating rod (9) and the housing (1).