CN219138983U - Geological drill bit capable of avoiding sediment blocking holes - Google Patents
Geological drill bit capable of avoiding sediment blocking holes Download PDFInfo
- Publication number
- CN219138983U CN219138983U CN202320341914.9U CN202320341914U CN219138983U CN 219138983 U CN219138983 U CN 219138983U CN 202320341914 U CN202320341914 U CN 202320341914U CN 219138983 U CN219138983 U CN 219138983U
- Authority
- CN
- China
- Prior art keywords
- drill bit
- drilling
- fixedly arranged
- drill
- geological
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a geological drill bit capable of avoiding sediment blocking, which comprises a drill rod and a connecting piece fixedly arranged at the top end of the drill rod, wherein an attack drill bit is fixedly arranged at the top end of the connecting piece, uniformly distributed composite drill blocks are fixedly arranged on the surface of the attack drill bit, cutting grooves are formed between two adjacent composite drill blocks, uniformly distributed drain holes are formed in the cutting grooves, a mud discharge helical blade is fixedly arranged on the surface of the drill rod, and an installation helical head is fixedly arranged at the bottom end of the drill rod.
Description
Technical Field
The utility model relates to the technical field of geological exploration, in particular to a geological drill bit for preventing sediment from blocking holes.
Background
The geological drill bit is a geological drilling tool which is produced by adopting geological alloy steel through a friction welding process design. The drill rod is produced and processed by adopting an advanced friction welding process, has the characteristics of high bending strength, firm welding and the like, can ensure the requirement on straightness during deep hole drilling, and has higher fatigue resistance and longer service life. The common drill bit mainly comprises a drill rod structure, an attack drill bit and a connecting end part, wherein the drill rod structure plays a role in connecting and driving, and has a smooth surface and a tubular structure. However, applicant believes that this common geological drill bit suffers from the following disadvantages:
in the actual drilling process, sediment cannot be rapidly guided and discharged, and the drilling holes are easy to be blocked, so that the efficiency of drilling holes for prospecting geology is affected.
Disclosure of Invention
The utility model aims to provide a geological drill bit capable of avoiding sediment blocking holes, so as to solve the problems that sediment cannot be rapidly led out and is easy to block holes in the actual drilling process, and therefore the efficiency of drilling and prospecting geology is affected.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a avoid geological drill bit in stifled hole of silt, includes drilling rod and fixed setting in the connecting piece on drilling rod top, the top of connecting piece is fixed to be provided with and is attacked the drill bit, the fixed surface that is provided with evenly distributed's compound brill piece that attacks the drill bit, adjacent two all be equipped with between the compound brill piece and cut the slot, cut the inside of slot and seted up evenly distributed's wash port, the fixed surface of drilling rod is provided with mud helical blade, the bottom fixed of drilling rod is provided with the installation spiral shell head, the middle part rotation of installation spiral shell head bottom is connected with the water injection tube head; the mud discharge helical blade is additionally arranged on the surface of the drill rod of the drill bit, after the drill bit is tapped, mud and sand can be continuously discharged in reverse phase by the mud discharge helical blade, and water can be continuously injected into a drilled hole in the process of drilling so as to achieve the purposes of wetting sediment, facilitating tapping into the drilled hole and being difficult to cause the problem of sediment blocking the drilled hole.
Preferably, the fixed surface of compound brill piece is provided with evenly distributed's cutting tooth, and the structural strength of drill bit is high, can easily attack drilling to earth and rock, and the use region scope is wider, and the practicality is strong.
Preferably, the surface of the installation screw head is provided with external threads, and the installation is simple, convenient and quick.
Preferably, a diversion cavity is formed in the drill rod, the bottom end of the diversion cavity is fixedly communicated with the inside of the water injection pipe head, and water is conveniently conducted.
Preferably, the drain hole inclines 45 degrees to set up, just the inside fixed intercommunication in drain hole and water conservancy diversion chamber can last to the drilling in-process water injection to reaching and making silt moist, the purpose of being convenient for attack the drilling.
Preferably, the number of the composite drilling blocks is not less than three, the structural strength is high, and the drilling speed is high.
Compared with the prior art, the utility model has the beneficial effects that: this geological drill bit structural design is simple, has set up mud helical blade on the drilling rod surface of drill bit, and the back is attacked to the drill bit, can be by mud helical blade reverse continuous guide and discharge mud sand, and can continuously carry out the water injection to the drilling at the in-process of drilling to reach and make silt moist, be convenient for attack the purpose of drilling, be difficult for causing silt to block up the problem of drilling, convenient to use, the practicality is strong.
Drawings
FIG. 1 is a schematic view of a geological drill of the present utility model;
FIG. 2 is a front cross-sectional view of a geological drill of the present utility model;
FIG. 3 is an enlarged view of part A of the present utility model;
fig. 4 is a top cross-sectional view of the installation screw of the present utility model.
In the figure: 1. a drill rod; 2. installing a screw head; 3. a connecting piece; 4. tapping the drill bit; 5. a composite drill block; 6. cutting teeth; 7. cutting the groove; 8. a drain hole; 9. mud discharge helical blades; 10. a water injection pipe head; 11. a diversion cavity; 12. and (5) external threads.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1-4, the utility model provides a geological drill bit capable of avoiding sediment blocking, which comprises a drill rod 1 and a connecting piece 3 fixedly arranged at the top end of the drill rod 1, wherein an attack drill bit 4 is fixedly arranged at the top end of the connecting piece 3, uniformly distributed composite drill blocks 5 are fixedly arranged on the surface of the attack drill bit 4, cutting grooves 7 are formed between two adjacent composite drill blocks 5, uniformly distributed drain holes 8 are formed in the cutting grooves 7, a mud discharge helical blade 9 is fixedly arranged on the surface of the drill rod 1, an installation screw head 2 is fixedly arranged at the bottom end of the drill rod 1, a water injection pipe head 10 is rotationally connected at the middle part of the bottom end of the installation screw head 2, uniformly distributed cutting teeth 6 are fixedly arranged on the surface of the composite drill blocks 5, external threads 12 are arranged on the surface of the installation screw head 2, and the number of the composite drill blocks 5 is not less than three;
when the drill bit is used, the mud discharging helical blade 9 is additionally arranged on the surface of the drill rod 1 of the attack drill bit 4, the mud discharging helical blade 9 can rotate along with the attack drill bit 4, after the attack of the drill bit, mud can be continuously discharged in a reverse direction by the mud discharging helical blade 9, mud in a drilled hole can be discharged in time, and in the process of pulling out the drill bit, the mud can be prevented from falling back into the drilled hole again, and the problem of mud blocking the drilled hole is not easy to cause.
Referring to fig. 1 and 2, further, a diversion cavity 11 is formed in the drill rod 1, the bottom end of the diversion cavity 11 is fixedly communicated with the inside of the water injection pipe head 10, a drain hole 8 is inclined at an angle of 45 degrees, and the drain hole 8 is fixedly communicated with the inside of the diversion cavity 11;
when the drill bit works, the drill can be used for injecting water into the diversion cavity 11 through the water injection pipe head 10, and the water is timely discharged through the water discharge holes 8, so that the purposes of wetting sediment, facilitating drilling and radiating the drill bit are achieved.
When the embodiment of the application is used, the following steps are adopted: after the water injection pipeline of the drilling machine is connected with the water injection pipe head 10, the geological drill bit is rotated clockwise, the geological drill bit is screwed up and fixed on the drilling machine, then drilling work can be carried out normally, the surface of the drill rod 1 of the drilling bit 4 is additionally provided with the mud discharging helical blade 9, the mud discharging helical blade 9 can rotate along with the drilling bit 4, after the drilling bit is tapped, mud and sand can be continuously guided and discharged reversely by the mud discharging helical blade 9, mud and sand in a drilled hole can be timely discharged, and in the process of extracting the drilling bit, the mud and sand can be prevented from falling back into the drilled hole again, and meanwhile water can be continuously injected into the drilled hole in the process of drilling hole, so that the purposes of wetting the mud and sand are achieved, the drilling hole is convenient to tap, the problem of blocking the drilled hole by the mud and sand is not easy to cause, and the drilling device is convenient to use, safe and reliable.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. Geological drill bit for avoiding sediment blocking holes, comprising a drill rod (1) and a connecting piece (3) fixedly arranged at the top end of the drill rod (1), and being characterized in that: the drilling machine is characterized in that the drilling bit (4) is fixedly arranged at the top end of the connecting piece (3), uniformly distributed composite drilling blocks (5) are fixedly arranged on the surface of the drilling bit (4), cutting grooves (7) are formed between every two adjacent composite drilling blocks (5), uniformly distributed drain holes (8) are formed in the cutting grooves (7), mud discharge spiral blades (9) are fixedly arranged on the surface of the drill rod (1), an installation spiral head (2) is fixedly arranged at the bottom end of the drill rod (1), and a water injection pipe head (10) is rotatably connected to the middle of the bottom end of the installation spiral head (2).
2. A geological drill bit for avoiding silt blocking holes according to claim 1, characterized in that: the surface of the composite drilling block (5) is fixedly provided with evenly distributed cutting teeth (6).
3. A geological drill bit for avoiding silt blocking holes according to claim 1, characterized in that: the surface of the installation screw head (2) is provided with external threads (12).
4. A geological drill bit for avoiding silt blocking holes according to claim 1, characterized in that: the drill rod (1) is internally provided with a diversion cavity (11), and the bottom end of the diversion cavity (11) is fixedly communicated with the inside of the water injection pipe head (10).
5. The geological drill bit for avoiding silt blocking holes according to claim 4, wherein: the drain hole (8) is inclined at an angle of 45 degrees, and the drain hole (8) is fixedly communicated with the inside of the diversion cavity (11).
6. A geological drill bit for avoiding silt blocking holes according to claim 1, characterized in that: the number of the composite drill blocks (5) is not less than three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320341914.9U CN219138983U (en) | 2023-02-28 | 2023-02-28 | Geological drill bit capable of avoiding sediment blocking holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320341914.9U CN219138983U (en) | 2023-02-28 | 2023-02-28 | Geological drill bit capable of avoiding sediment blocking holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219138983U true CN219138983U (en) | 2023-06-06 |
Family
ID=86559857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320341914.9U Active CN219138983U (en) | 2023-02-28 | 2023-02-28 | Geological drill bit capable of avoiding sediment blocking holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219138983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116658083A (en) * | 2023-08-01 | 2023-08-29 | 陕西星通石油工程技术有限公司 | PDC drill bit water hole anti-blocking module |
-
2023
- 2023-02-28 CN CN202320341914.9U patent/CN219138983U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116658083A (en) * | 2023-08-01 | 2023-08-29 | 陕西星通石油工程技术有限公司 | PDC drill bit water hole anti-blocking module |
| CN116658083B (en) * | 2023-08-01 | 2023-10-03 | 陕西星通石油工程技术有限公司 | PDC drill bit water hole anti-blocking module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219138983U (en) | Geological drill bit capable of avoiding sediment blocking holes | |
| CN209523708U (en) | A kind of positive-circulation drilling device | |
| CN112983266A (en) | Omnidirectional ultrahigh-pressure water jet rock cutting rotary drilling system | |
| CN111058842A (en) | Ocean self-feeding type sampling drilling tool and sampling method | |
| Yong et al. | Technical improvements and application of air-lift reverse circulation drilling technology to ultra-deep geothermal well | |
| CN212052945U (en) | Hydraulic engineering construction is with quick desilting device | |
| CN210918953U (en) | Composite local reverse circulation sleeve milling barrel | |
| CN211230444U (en) | Ocean is from feeding formula sample drilling tool | |
| CN209145524U (en) | A kind of micro- reaming hole sand cleaning tool of drilling well | |
| CN217001747U (en) | Novel high-efficient junk mill | |
| CN203701983U (en) | Steel body spiral four blade PDC (Polycrystalline Diamond Compact) bit | |
| CN111502322B (en) | Masonry reinforcement anchor rod structure and construction method thereof | |
| CN211737050U (en) | Large-caliber drill bit for geological exploration | |
| CN212689929U (en) | Novel oil drilling PDC drill bit | |
| CN211692356U (en) | Anti-blocking system in drainage drilling hole | |
| CN209670929U (en) | With brill formula wellbore trimmer | |
| CN211038584U (en) | Downhole hydraulic borehole repairing and cleaning tool for well drilling | |
| CN111622677A (en) | Drilling tool | |
| CN220202652U (en) | Novel deep stirring drill bit | |
| CN218407323U (en) | Cylinder drill for rotary drilling rig | |
| CN207017975U (en) | A kind of cleaning drilling tool for coal bed gas oil pipe | |
| CN220015059U (en) | PDC drill bit for petroleum drilling | |
| CN111894470A (en) | PDC drill bit, method for determining spiral angle of chip groove of PDC drill bit and well drilling method | |
| CN216642006U (en) | Self-cleaning three-blade cutting tool for ground immersion drilling | |
| CN212296234U (en) | Drilling tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |