CN216828735U - Steel pipe drilling device - Google Patents
Steel pipe drilling device Download PDFInfo
- Publication number
- CN216828735U CN216828735U CN202123106457.5U CN202123106457U CN216828735U CN 216828735 U CN216828735 U CN 216828735U CN 202123106457 U CN202123106457 U CN 202123106457U CN 216828735 U CN216828735 U CN 216828735U
- Authority
- CN
- China
- Prior art keywords
- drilling
- pipe
- hollow
- connecting part
- steel pipe
- 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 steel pipe drilling equipment belongs to coal mining prevention and cure water field. The steel pipe drilling device comprises a drilling part and a connecting part, wherein the drilling part comprises a hollow drilling pipe and a plurality of drilling teeth, and the drilling teeth are independently manufactured and uniformly distributed on one end face of the hollow drilling pipe; because the drilling teeth are made of high-speed steel and are distributed orderly, the hole patterns with regular shapes can be drilled on the pipe fitting; the center of the other end of the hollow drill pipe is provided with a water filling port. The connecting part is also in a hollow tubular shape, the diameter of the connecting part is larger than that of the water filling port, and the connecting part is fixedly connected with one end of the hollow drill pipe, which is provided with the water filling port; the inner circumferential surface of the connecting part is provided with threads, and the connecting part can be matched with a drill rod of a drilling machine to finish the drilling work on the steel pipe. And a water stopper is further placed in the pipe for grouting and water plugging, so that the problem that water inrush cannot be effectively treated due to the fact that a geological exploration hole pre-embedded sleeve is not disclosed by a plan is solved, the mining efficiency of mine mining is improved, and the safety of operators is ensured.
Description
Technical Field
The utility model relates to a coal mining prevents and treats water field, specifically is a steel pipe drilling equipment.
Background
In the process of tunneling a coal mine underground roadway, a type of geological exploration holes are encountered, the type of drilling holes are generally pre-buried with sleeves and are often communicated with a water-bearing stratum, and because the drilling construction times are long, exact geological data cannot be checked, the positions cannot be accurately anticipated, the tunneling machine does not disclose or cut the pre-buried sleeves of the type of drilling holes in the tunneling process, and water inrush is caused. Because the water pressure of the water inrush point of the sleeve is high, the lower part of the sleeve needs to be drilled, and grouting and water plugging are carried out after a water stopper is put in, and a drilling drill bit for a common coal mine does not have the function of drilling the sleeve (steel pipe), so that water inrush treatment cannot be carried out on the buried pipe of the hidden geological hole exposed underground, and the tunneling of a roadway is forced to be stopped.
SUMMERY OF THE UTILITY MODEL
The utility model provides a steel pipe drilling equipment has solved and has tunneled the original drilling equipment of in-process and can not punch to steel pipe or sleeve pipe, thereby further goes into the problem that the waterstop carries out the slip casting and blocks up water under.
In order to solve the technical problem, the utility model provides a technical scheme does: a steel pipe drilling device comprises a drilling part and a connecting part which are coaxially arranged.
The drilling part is a hollow drilling pipe, one end face of the hollow drilling pipe is provided with drilling teeth, and the center of the other end of the hollow drilling pipe is provided with a water injection port.
The connecting part is a hollow round pipe, a connecting thread is arranged inside the connecting part, one end of the connecting part is connected with one end of the drilling part, which is provided with the water filling port, and the other end of the connecting part is connected with a drill rod of the drilling machine through the connecting thread.
The number of the drill teeth is 6-10, the drill teeth are arranged on the end face of one end of the hollow drill pipe at equal intervals, and the height of each drill tooth is 1.5-2.5 times of the width. According to the specification of the hollow drill pipe, a corresponding number of drill teeth are arranged on the end face of the hollow drill pipe, so that the drill holes with regular shapes can be drilled; and the drilling teeth are not wasted too much, and the manufacturing cost is effectively controlled. The height and the width of the drill teeth are within the range, so that the drill teeth are not easy to damage, and the drill teeth have high drilling performance.
Preferably, the drilling teeth are made of W18Cr4V high-speed steel and are welded on the end face of the hollow drill pipe. The drill teeth made of the steel can easily drill into a casing or a steel pipe; the drill bit is manufactured independently, each drill tooth is connected with the end face of the hollow drill pipe independently, the manufacturing difficulty is obviously reduced, and an operator can flexibly adjust the distribution distance between the drill teeth according to the specification of the hollow drill pipe in practical use.
Further, the length of the drilling part is 2-2.5 times of the length of the connecting part.
Further, the diameter of the connecting part is smaller than that of the drilling part and larger than that of the water filling opening.
The hollow drill pipe and the hollow round pipe are of an integrated structure.
The hollow drill pipe is fixedly connected with the hollow round pipe in a welding mode. The hollow drill pipe and the hollow round pipe are stably and firmly connected, so that the stability of the drilling device is ensured, the service life of the device is prolonged, the maintenance frequency of the drilling device can be effectively reduced, and the corresponding maintenance cost and time are saved.
Each drill tooth is manufactured independently and bent to a certain radian, and is welded on the end surface of the hollow steel pipe one by one, and then the hollow steel pipe with a plurality of drill teeth is fixedly connected with the connecting part. After the assembly is finished, the connecting part of the steel pipe drilling device is connected with a drill rod of a drilling machine, so that the axis of the steel pipe drilling device is horizontal, the drilling teeth made of W18Cr4V high-speed steel act on the steel pipe, and the steel pipe vertically arranged between the coal seam roof and the coal seam floor is drilled. After the drill hole is formed, the water stopper can be placed in the pipe, the grouting pipe is connected from the drill hole and grouting is conducted into the pipe, the underground exposed buried pipe with the buried geological hole can be effectively treated by water inrush, and the safety of coal mining is improved.
Compared with the prior art, the utility model has the substantive characteristics that: the drilling device is connected on a drill rod of the drilling machine, the drilling device is provided with a connecting part with a hollow steel pipe, and a plurality of drilling teeth made of W18Cr4V high-speed steel are fixed on the hollow steel pipe and are distributed at equal intervals; the device is used for drilling underground pipe fittings, so that subsequent grouting is facilitated to treat water inrush. The device has the advantages of simple structure, convenient manufacture and assembly and lower production cost, promotes the development of water prevention and control work in mine exploitation after use, and is suitable for wide application.
Drawings
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Fig. 1 is the structural schematic diagram of the steel pipe drilling device of the present invention.
Fig. 2 is a top view of the steel pipe drilling device of the present invention.
Fig. 3 is a bottom view of the steel pipe drilling device of the present invention.
Fig. 4 is the rectangular drilling tooth schematic diagram of the steel pipe drilling device of the present invention.
Fig. 5 is the long drill tooth schematic diagram of the steel pipe drilling device of the present invention.
Fig. 6 is the short circular arc-shaped drilling tooth schematic diagram of the steel pipe drilling device of the utility model.
Reference numbers in the figures: 1. drilling parts, 2 connecting parts, 11 hollow drill pipes, 12 drill teeth, 13 water filling ports and 21 connecting threads.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Example 1
A steel pipe drilling device comprises a drilling part 1 and a connecting part 2 which are coaxially arranged, wherein the drilling part 1 is a hollow drilling pipe 11, eight drilling teeth 12 are arranged on one end face of the hollow drilling pipe 11 at equal intervals, and a water injection port 13 is formed in the center of the other end of the hollow drilling pipe 11.
One end of the connecting part 2 is fixedly connected with one end of the drilling part 1, which is provided with a water filling port 13, the connecting part 2 is a hollow circular tube, and the diameter of the connecting part 2 is smaller than that of the drilling part 1 and larger than that of the water filling port 13; the inside is provided with a connecting thread 21; the drill rod of the drilling machine is connected with the steel pipe drilling device through the internal threads of the connecting part 2, and power is provided for the steel pipe drilling device.
Further, the length of the drilling part 1 is 2 times of the length of the connecting part 2, and therefore the steel pipe drilling device can smoothly achieve drilling operation. Eight drill teeth 12 made of W18Cr4V high-speed steel, wherein the height of each drill tooth 12, i.e. the distance from the tooth top to the bottom, is 2 times of the width of the drill tooth, after the drill teeth are bent into a shape corresponding to the radian of the hollow drill pipe 11, the drill teeth are welded on the end surface of the hollow drill pipe 11 at equal intervals. The associated drill is started and the drilling teeth 12 act on the casing to successfully drill the hole. And then a water stopper is put into the pipe through the hole, and then the grouting device is connected for grouting and water plugging, so that the development of water prevention and control work in mine exploitation is promoted.
Example 2
A steel pipe drilling device can also be provided with six or ten drilling teeth 12 at the top of a hollow drilling pipe 11.
Further, as shown in fig. 4, 5 and 6, the drill teeth 12 may be rectangular drill teeth, long drill teeth or short circular arc drill teeth.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (7)
1. The utility model provides a steel pipe drilling equipment which characterized in that: the water injection device comprises a drilling part and a connecting part which are coaxially arranged, wherein the drilling part is a hollow drilling pipe, one end face of the hollow drilling pipe is provided with drilling teeth, and the center of the other end of the hollow drilling pipe is provided with a water injection port;
the connecting part is a hollow round pipe, a connecting thread is arranged in the connecting part, one end of the connecting part is connected with one end of the drilling part, which is provided with the water filling port, and the other end of the connecting part is connected with a drill rod of the drilling machine through the connecting thread.
2. The steel pipe drilling device according to claim 1, wherein: the number of the drilling teeth is 6-10, the drilling teeth are equidistantly arranged on the end face of one end of the hollow drilling pipe, and the height of each drilling tooth is 1.5-2.5 times of the width.
3. The steel pipe drilling device according to claim 1, wherein: the drilling teeth are made of W18Cr4V high-speed steel structures and are welded on the end face of the hollow drill pipe.
4. The steel pipe drilling device according to claim 1, wherein: the length of the drilling part is 2-2.5 times of the length of the connecting part.
5. The steel pipe drilling device according to claim 1, wherein: the diameter of the connecting part is smaller than that of the drilling part and larger than that of the water filling port.
6. The steel pipe drilling device according to claim 1, wherein: the hollow drill pipe and the hollow round pipe are of an integrated structure.
7. The steel pipe drilling device according to claim 1, wherein: the hollow drill pipe is fixedly connected with the hollow round pipe in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123106457.5U CN216828735U (en) | 2021-12-13 | 2021-12-13 | Steel pipe drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123106457.5U CN216828735U (en) | 2021-12-13 | 2021-12-13 | Steel pipe drilling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216828735U true CN216828735U (en) | 2022-06-28 |
Family
ID=82106325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123106457.5U Active CN216828735U (en) | 2021-12-13 | 2021-12-13 | Steel pipe drilling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216828735U (en) |
-
2021
- 2021-12-13 CN CN202123106457.5U patent/CN216828735U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105673046B (en) | Double-arched tunnel middle drift vault backfills construction method | |
| CN107460882B (en) | A kind of retaining piles construction method of deep basal pit closing sealing | |
| CN103422812B (en) | The coal bed gas multi-branch horizontal drilling well of individual well eye and completion method | |
| CN105114109A (en) | Self-drilling type hollow anchor rod grouting connector | |
| CN114635697A (en) | Pre-grouting treatment method for water damage of shaft well construction | |
| Yong et al. | Technical improvements and application of air-lift reverse circulation drilling technology to ultra-deep geothermal well | |
| CN111810232A (en) | Method for intercepting diving aquifer punctiform vertical water guide channel curtain | |
| CN210598997U (en) | A slip casting pipe and leading slip casting system for shield constructs quick-witted advance slip casting | |
| CN101487376A (en) | One-time excavation construction method for large-diameter large-depth pressure regulating well pilot shaft | |
| CN104018505B (en) | The embedding series of rocks system of pre-manufactured steel cage guiding and using method | |
| CN108979529B (en) | Tunnel drilling method for two-arm drill jumbo | |
| CN216828735U (en) | Steel pipe drilling device | |
| CN113107589A (en) | Method for pre-draining water in advance on ground of coal seam roof aquifer | |
| CN112647902A (en) | In-situ leaching uranium mining drilling filter and well completion method | |
| CN110566155B (en) | Circulating grouting and hole sealing method for deformation-resistant gas extraction drill hole in mining area | |
| CN111322075A (en) | Backfill slip casting system behind wall for shaft boring machine | |
| CN108661053B (en) | Cast-in-place pile full-sheath tube drawing device | |
| CN216841805U (en) | Advanced precipitation device for horizontal directional drilling of water-rich tunnel | |
| CN105649047A (en) | Plugging pile drilling and stirring machine | |
| CN113700522B (en) | Gas extraction process method for lower screen pipe while drilling and matched lower screen pipe drill bit | |
| CN211422544U (en) | Multi-edge double-channel multi-stage pushing deslagging drill rod | |
| CN103321620B (en) | With brill gel injection device | |
| CN210396738U (en) | Air-leg rock drill bit | |
| CN110778356B (en) | Deep-buried soft coal seam full-hole deep reducing hole protection and sealing system and method | |
| CN205036394U (en) | Self -drilling cavity anchor rod grout connects |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |