Anti-sloughing hole drill bit for geotechnical investigation
By introducing upper drill teeth and groove structures into the anti-collapse hole drill bit in the geotechnical survey, the landslide is broken and discharged, the problem of drill bit stuck is solved, and the convenience and safety of the drill bit is improved.
Patent Information
- Application Number
- CN202421028903.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-13
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-05-13
AI Technical Summary
When the existing geotechnical survey anti-collapse drill bit is conducted to investigate deep holes, the hole collapses due to vibration, and the drill bit is prone to being stuck, making it difficult to remove or cannot be removed.
A geotechnical survey anti-collapse drill bit including an upper drill bit, an upper drill tooth and an upper drill groove is designed. It is fixedly connected to the threads of the upper drill tooth and the drill rod to drive the upper drill tooth to break the landslide when the drill bit rotates, and discharge the rock. Achieve bidirectional drilling to avoid jamming.
It effectively reduces the difficulty of removing the drill bit, avoids the problem of drill bit stuck after the hole collapses, and improves the convenience and safety of the drill bit.
Smart Images
Figure CN222228471U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of drill bits, in particular to a rock and soil survey anti-collapse hole drill bit. Background Art
[0002] Geotechnical engineering exploration is one of the main means to ensure the quality of construction in the early stage. If the exploration work is not in place, adverse engineering geological problems will be exposed. Even if the design and construction of the upper structure have reached high quality, it will inevitably be damaged. The purpose of geotechnical engineering exploration is mainly to identify the engineering geological conditions, analyze the existing geological problems, and make an engineering geological evaluation of the construction area.
[0003] The patent document with the prior art publication number CN210439969U provides a special drill bit for geotechnical engineering survey, including a transmission shaft core, a wear-resistant plate is fixedly connected to the upper surface of the transmission shaft core, a protective sleeve is arranged outside the transmission shaft core, a bearing is sleeved inside the protective sleeve, the outer surface of the bearing is fixedly connected to the inner wall of the protective sleeve, the inner ring of the bearing is fixedly connected to the outer surface of the transmission shaft core, a cavity is opened inside the transmission shaft core, a partition plate is arranged inside the cavity, and two groups of symmetrical first water inlet holes are opened on the outer surface of the protective sleeve. In the utility model, by setting the wear-resistant plate and the notch opened on the upper surface of the wear-resistant plate, the wear resistance of the drill bit is improved, and the sample debris can be discharged, thereby improving the accuracy of sample collection. By the coordinated arrangement of the partition plate, the support rod, the baffle, the through pipe, the slide rod and the strong spring, the collected sample can be pushed out of the drill bit, thereby improving the convenience of taking out the geotechnical sample from the inside of the drill bit.
[0004] However, during the use of the existing geotechnical survey anti-collapse drill bit, due to the different depths of geotechnical survey, when conducting deeper geotechnical survey, it is necessary to use a drill bit to drill deeper holes. Due to vibration, the holes will collapse, and the drill bit will get stuck when it needs to be removed, making it difficult or impossible to remove the drill bit.
[0005] To this end, those skilled in the art have proposed a geotechnical exploration anti-hole collapse drill bit to solve the problems raised by the background technology. Utility Model Content
[0006] In order to solve the above technical problems, the utility model provides a rock and soil exploration anti-collapse drill bit, so as to solve the problem in the prior art that when using a drill bit to drill a deeper hole, the hole will collapse due to vibration, and the drill bit will get stuck when it needs to be removed, making it difficult or impossible to remove the drill bit.
[0007] A geotechnical exploration anti-collapse hole drill bit, comprising a drill bit barrel, a dewatering port is provided on the outer side of the drill bit barrel, a lower drill bit is fixedly connected to the bottom of the drill bit barrel, a drill bit port is provided at the middle position of the bottom of the lower drill bit, a lower drill tooth is fixedly connected to the bottom of the lower drill bit, lower drill grooves are provided on both sides of the lower drill tooth, and an upper drill bit is fixedly connected to the top of the drill bit barrel;
[0008] The top of the upper drill bit is fixedly connected with an upper drill tooth, both sides of the upper drill tooth are provided with an upper drill groove, the inner side of the upper drill bit is fixedly connected with a connecting plate, and the top of the connecting plate is fixedly connected with a connecting rod.
[0009] Preferably, the drill bit barrel comprises a lower drill bit at the bottom of the drill bit barrel and an upper drill bit at the top of the drill bit barrel as an integrated structure, and the drill bit barrel, the lower drill bit and the upper drill bit are all made of alloy material.
[0010] Preferably, a plurality of dehydration ports are provided, the plurality of dehydration ports are of the same size, and the plurality of dehydration ports are equidistantly arranged on the outside of the drill bit barrel.
[0011] Preferably, the drill bit barrel is a cylindrical structure, and the drill bit barrel is a hollow structure.
[0012] Preferably, eight lower drill teeth and eight upper drill teeth are provided, the eight lower drill teeth and the eight upper drill teeth are of the same size, and the eight lower drill teeth and the eight upper drill teeth are arranged at equal distances.
[0013] Preferably, a screw tooth is fixedly connected to the outer side of the connecting rod, and the connecting rod is vertically erected at the top center position of the connecting disk.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] 1. The utility model provides an upper drill bit, an upper drill tooth and an upper drill groove. When the rock and soil survey anti-collapse hole drill bit is used, the staff connects the drill rod with the connecting rod and then rotates the drill rod. The screw teeth on the drill rod and the connecting rod can be threaded and fixedly connected. When the drill rod drives the rock and soil survey anti-collapse hole drill bit to rotate, the lower drill teeth on the lower drill bit can drill holes in the rock and soil. When the rock and soil survey anti-collapse hole drill bit is drilling deeper and the hole collapses, the drill rod drives the rock and soil survey anti-collapse hole drill bit to rotate. During the upward movement of the rock and soil survey anti-collapse hole drill bit, the upper drill teeth on the upper drill bit can crush the collapsed soil and rock, and the crushed soil and rock can be discharged through the upper drill groove. In this way, the rock and soil survey anti-collapse hole drill bit can perform two-way drilling, avoid the phenomenon that the drill bit is stuck when it needs to be taken out after the hole collapses, thereby reducing the difficulty of taking out the drill bit. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is a partial structural schematic diagram of the lower drill bit of the utility model;
[0018] Figure 3 It is a cross-sectional view of the drill bit barrel of the utility model;
[0019] Figure 4 It is a partial structural schematic diagram of the connecting disk of the utility model.
[0020] In the figure:
[0021] 1. Drill bit barrel; 2. Dehydration port; 3. Lower drill bit; 4. Lower drill teeth; 5. Lower drill groove; 6. Drill bit mouth; 7. Upper drill bit; 8. Upper drill teeth; 9. Upper drill groove; 10. Connecting plate; 11. Connecting rod; 12. Screw teeth. DETAILED DESCRIPTION
[0022] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.
[0023] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent.
[0024] As attached Figure 1 To Attachment Figure 4 As shown:
[0025] Embodiment 1: A geotechnical exploration anti-collapse hole drill bit, comprising a drill bit barrel 1, a dewatering port 2 is provided on the outer side of the drill bit barrel 1, a lower drill bit 3 is fixedly connected to the bottom of the drill bit barrel 1, a drill bit opening 6 is provided at the center of the bottom of the lower drill bit 3, a lower drill tooth 4 is fixedly connected to the bottom of the lower drill bit 3, lower drill grooves 5 are provided on both sides of the lower drill tooth 4, and an upper drill bit 7 is fixedly connected to the top of the drill bit barrel 1;
[0026] An upper drill tooth 8 is fixedly connected to the top of the upper drill bit 7 , upper drill grooves 9 are provided on both sides of the upper drill tooth 8 , a connecting plate 10 is fixedly connected to the inner side of the upper drill bit 7 , and a connecting rod 11 is fixedly connected to the top of the connecting plate 10 .
[0027] As can be seen from the above, when the drill rod drives the geotechnical survey anti-collapse hole drill bit to rotate, the upper drill teeth 8 on the upper drill bit 7 will crush the collapsed soil and rocks during the upward movement of the geotechnical survey anti-collapse hole drill bit, and the crushed soil and rocks can be discharged through the upper drill groove 9.
[0028] Embodiment 2: The drill bit barrel 1 includes a lower drill bit 3 at the bottom of the drill bit barrel 1 and an upper drill bit 7 at the top of the drill bit barrel 1 as an integrated structure. The drill bit barrel 1, the lower drill bit 3 and the upper drill bit 7 are all made of alloy material.
[0029] From the above, we can see that drill bits made of alloy materials are more durable and less prone to wear and tear.
[0030] Embodiment 3: A plurality of dehydration ports 2 are provided, the plurality of dehydration ports 2 are of the same size, and the plurality of dehydration ports 2 are arranged at equal intervals on the outside of the drill tube 1 .
[0031] As can be seen from the above, when there is more water in the soil through the dehydration port 2, the water can be discharged better.
[0032] Embodiment 4: The drill bit barrel 1 is a cylindrical structure, and the drill bit barrel 1 is a hollow structure.
[0033] As can be seen from the above, since the drill tube 1 is a hollow structure, soil and rock can be picked up when drilling and sampling, thereby facilitating sampling.
[0034] Embodiment 5: There are eight lower drilling teeth 4 and eight upper drilling teeth 8 , the eight lower drilling teeth 4 and the eight upper drilling teeth 8 are of the same size, and the eight lower drilling teeth 4 and the eight upper drilling teeth 8 are arranged at equal distances.
[0035] It can be seen from the above that the lower drilling teeth 4 and the upper drilling teeth 8 can better perform drilling in rock and soil.
[0036] Embodiment 6: The outer side of the connecting rod 11 is fixedly connected with a screw tooth 12 , and the connecting rod 11 is vertically erected at the top center of the connecting disk 10 .
[0037] As can be seen from the above, by docking the drill rod with the connecting rod 11 and then rotating the drill rod, the drill rod and the screw teeth 12 on the connecting rod 11 can be threadedly fixedly connected.
[0038] Working principle: when using the geotechnical exploration anti-collapse hole drill bit, the staff connects the drill rod with the connecting rod 11, and then rotates the drill rod. The screw teeth 12 on the drill rod and the connecting rod 11 can be threaded and fixedly connected. When the drill rod drives the geotechnical exploration anti-collapse hole drill bit to rotate, the lower drill teeth 4 on the lower drill bit 3 can drill holes in the rock and soil. When the geotechnical exploration anti-collapse hole drill bit is drilling deeper holes and the hole collapses, the drill rod drives the geotechnical exploration anti-collapse hole drill bit to rotate. During the upward movement of the geotechnical exploration anti-collapse hole drill bit, the upper drill teeth 8 on the upper drill bit 7 will crush the collapsed soil and rocks, and the crushed soil and rocks can be discharged through the upper drill groove 9. This completes the use process of the utility model. The utility model has a simple structure and is safe and convenient to use.
[0039] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0040] Obviously, the embodiments described above are only some embodiments of the utility model, rather than all embodiments. The preferred embodiments of the utility model are given in the accompanying drawings, but they do not limit the patent scope of the utility model. The utility model can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. Although the utility model is described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific implementation methods, or to replace some of the technical features therein with equivalents. Any equivalent structure made using the contents of the utility model specification and the accompanying drawings, directly or indirectly used in other related technical fields, is also within the scope of patent protection of the utility model.
[0041] The embodiments of the present invention are provided for the purpose of illustration and description. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and deform the above embodiments within the scope of the present invention.
Claims
1. A rock and soil survey anti-collapse drill bit, characterized by: The drill bit barrel (1) comprises a drill bit barrel (1), the outer side of which is provided with a dewatering port (2), the bottom of the drill bit barrel (1) is fixedly connected to a lower drill bit (3), a drill bit port (6) is provided at the center of the bottom of the lower drill bit (3), the bottom of the lower drill bit (3) is fixedly connected to a lower drill tooth (4), both sides of the lower drill tooth (4) are provided with a lower drill groove (5), and the top of the drill bit barrel (1) is fixedly connected to an upper drill bit (7); The top of the upper drill bit (7) is fixedly connected to an upper drill tooth (8), both sides of the upper drill tooth (8) are provided with an upper drill groove (9), the inner side of the upper drill bit (7) is fixedly connected to a connecting plate (10), and the top of the connecting plate (10) is fixedly connected to a connecting rod (11).
2. A geotechnical survey anti-collapse drill bit as claimed in claim 1, characterized in that: The drill bit barrel (1) comprises a lower drill bit (3) at the bottom of the drill bit barrel (1) and an upper drill bit (7) at the top of the drill bit barrel (1) as an integrated structure; the drill bit barrel (1), the lower drill bit (3) and the upper drill bit (7) are all made of alloy material.
3. A geotechnical survey anti-collapse drill bit as claimed in claim 1, characterized in that: A plurality of dehydration ports (2) are provided, the plurality of dehydration ports (2) are of the same size, and the plurality of dehydration ports (2) are arranged at equal distances on the outside of the drill bit barrel (1).
4. A geotechnical survey anti-collapse drill bit as claimed in claim 1, characterized in that: The drill bit barrel (1) is a cylindrical structure, and the drill bit barrel (1) is a hollow structure.
5. A geotechnical survey anti-collapse drill bit as claimed in claim 1, characterized in that: There are eight lower drill teeth (4) and eight upper drill teeth (8), the eight lower drill teeth (4) and eight upper drill teeth (8) are of the same size, and the eight lower drill teeth (4) and eight upper drill teeth (8) are arranged at equal distances.
6. A geotechnical investigation anti-collapse drill bit as claimed in claim 1, characterized in that: The outer side of the connecting rod (11) is fixedly connected with a screw tooth (12), and the connecting rod (11) is vertically erected at the top center position of the connecting plate (10).