CN215804368U - High-pressure and high-temperature hard rock drilling device - Google Patents
High-pressure and high-temperature hard rock drilling device Download PDFInfo
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- CN215804368U CN215804368U CN202122213061.4U CN202122213061U CN215804368U CN 215804368 U CN215804368 U CN 215804368U CN 202122213061 U CN202122213061 U CN 202122213061U CN 215804368 U CN215804368 U CN 215804368U
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- drill bit
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Abstract
The utility model discloses a high-pressure and high-temperature hard rock drilling device which comprises a drill rod connected with a power head and a drill bit arranged at one end of the drill rod, which is far away from the power head, wherein a medium flow channel extending from one end of the drill rod to the other end along the axis of the drill rod is arranged on the drill rod, pulse type jet holes are uniformly arranged at the lower end of the drill bit, each pulse type jet hole is respectively communicated with the medium flow channel, an adapter piece is detachably arranged at the upper end of the drill rod, the adapter piece is rotatably connected with the drill rod, and the adapter piece is communicated with a medium inlet pipe and the medium flow channel. The utility model reduces the self heat of the drill bit and the drill rod in the drilling process, and easily breaks the hard rock under high pressure and high temperature. The utility model is suitable for the technical field of drilling of high-pressure and high-temperature hard rocks.
Description
Technical Field
The utility model belongs to the technical field of rock drilling equipment, and particularly relates to a high-pressure and high-temperature hard rock drilling device.
Background
At present, in the field of geological or mineral exploration and drilling, drilling equipment commonly adopted is a drilling machine, a drilling part of the drilling machine basically comprises a power head capable of moving up and down on a frame body, a drill rod and a drill bit are sequentially connected to the lower end of the power head, the drill rod is driven by the power head to rotate and move down, and then the drilling operation of the drill bit is realized. However, when the drilling operation of high-pressure and high-temperature hard rock is performed, due to the structural limitation of the existing drill bit, the drilling cannot be performed smoothly, or the drilling efficiency is extremely low, and a large amount of heat is generated and is not easy to dissipate in a heat transfer manner, so that the drill bit and the drill rod are located in a high-temperature environment, and the service life of the drill bit and the drill rod is affected.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high-pressure and high-temperature hard rock drilling device, which is used for reducing the self heat of a drill bit and a drill rod in the drilling process and easily crushing hard rock under high pressure and high temperature.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a high pressure, high temperature hard rock creeps into device, includes the drilling rod of being connected with the unit head, and installs in the drilling rod and keeps away from the drill bit of unit head one end, in set up on the drilling rod by its one end along the medium runner of its axis extension to the other end, in the pulsed jet hole has been seted up uniformly to the drill bit lower extreme, each pulsed jet hole communicates with the medium runner respectively, and in the upper end demountable installation of drilling rod has the adaptor, the adaptor rotates with the drilling rod to be connected, and the adaptor communicates medium admission pipe and medium runner.
Further, the drill bit comprises a drill bit body and a connecting part constructed at the upper end of the drill bit body, and the connecting part is detachably connected with the drill rod.
Furthermore, a first connecting flange is formed at the lower end of the drill rod, a second connecting flange is formed at the upper end of the connecting part, and the connecting part and the drill rod are fixed through connection of the first connecting flange and the second connecting flange.
Furthermore, a clamping protrusion and a clamping groove which are matched with each other are respectively formed at the corresponding positions of the first connecting flange and the second connecting flange, and when the first connecting flange and the second connecting flange are assembled together, the clamping protrusion is assembled in the corresponding clamping groove.
Furthermore, the upper end of the connecting part is provided with a distribution hole which extends downwards along the axis of the connecting part, and the lower end of the distribution hole is communicated with each pulse type jet hole.
Furthermore, the pulse type jet hole radially extends out of the lower end surface of the drill bit from the lower end of the distribution hole.
Furthermore, a third connecting flange connected with the power head is formed at the upper end of the drill rod.
Furthermore, an assembly groove extending downwards along the axis of the drill rod is formed in the center of the upper end of the drill rod, and the adapter is rotatably assembled in the assembly groove.
Furthermore, a plurality of bearings are assembled in the assembly groove, the adapter is of a tubular structure, each bearing is sleeved outside the tubular structure, and a plurality of sealing rings are assembled on the upper portion of the tubular structure.
Furthermore, a fixed ring is fixedly installed in the assembling groove, the fixed ring is pressed on the bearing positioned at the top, a connecting flange extending outwards along the radial direction of the connecting flange is constructed on the outer wall of the tubular structure, and the connecting flange and the fixed ring are fastened through a plurality of bolts.
Due to the adoption of the structure, compared with the prior art, the utility model has the technical progress that: according to the utility model, the medium for cooling and impacting the hard rock is guided to the drill bit through the adapter piece, and is ejected out by the drill bit in a pulse type, the pulse type medium performs intermittent impact on the hard rock and is matched with the drilling of the drill bit, so that the hard rock is extremely easy to break, and the drill bit and the drill rod are in a state of being cooled by the medium, thereby avoiding the occurrence of the condition that the service life is reduced because the drill bit and the drill rod are in high temperature for a long time; in conclusion, the utility model realizes that the heat of the drill bit and the drill rod in the drilling process is reduced, and the hard rock under high pressure and high temperature is easily crushed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.
In the drawings:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another embodiment of the present invention;
FIG. 3 is a partial schematic view of the lower portion of the drill stem according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a drill bit according to an embodiment of the present invention;
FIG. 5 is a schematic view of another angle configuration of a drill bit according to an embodiment of the present invention;
fig. 6 is a schematic structural view of the drill rod and the adapter after being disassembled according to the embodiment of the utility model.
Labeling components: 100-drill rod, 101-first connecting flange, 102-clamping protrusion, 103-medium flow channel, 104-third connecting flange, 105-assembly groove, 200-drill bit, 201-drill bit body, 202-connecting part, 203-second connecting flange, 204-clamping groove, 205-distribution hole, 206-pulsed jet hole, 300-tubular structure, 301-bearing, 302-connecting flange, 303-retaining ring, 304-sealing ring.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present invention.
The utility model discloses a high-pressure and high-temperature hard rock drilling device, which comprises a drill rod 100 and a drill bit 200, wherein the drill rod 100 is connected with a power head, the drill bit 200 is arranged at one end of the drill rod 100 far away from the power head, a medium flow channel 103 is arranged on the drill rod 100, the medium flow channel 103 extends from one end of the drill rod 100 to the other end along the axis of the drill rod, a plurality of pulse type jet holes 206 are uniformly arranged at the lower end of the drill bit 200, and each pulse type jet hole 206 is respectively communicated with the medium flow channel 103. In the utility model, the upper end of the drill rod 100 is detachably provided with the adapter, the adapter is rotatably connected with the drill rod 100, and the adapter is communicated with the medium inlet pipe and the medium flow passage 103. The medium in the utility model is mostly air or water. The working principle and the advantages of the utility model are as follows: according to the utility model, the medium for cooling and impacting the hard rock is introduced to the drill bit 200 through the adapter piece by the drill rod 100 and is ejected out of the drill bit 200 in a pulse type, the pulse type medium impacts the hard rock intermittently and is matched with the drilling of the drill bit 200, so that the hard rock is broken easily, and the drill bit 200 and the drill rod 100 are in a medium-cooled state, thereby avoiding the occurrence of the condition that the service life is reduced because the drill bit 200 and the drill rod 100 are in high temperature for a long time; in summary, the present invention reduces the heat of the drill bit 200 and the drill rod 100 during drilling, and easily breaks the hard rock under high pressure and high temperature.
As a preferred embodiment of the present invention, as shown in fig. 4 to 5, a drill 200 includes a drill body 201 and a coupling portion 202, the coupling portion 202 being configured at an upper end of the drill body 201. The connection part 202 is detachably connected to the drill rod 100, and as shown in fig. 3-4, a first connection flange 101 is formed at the lower end of the drill rod 100, a second connection flange 203 is formed at the upper end of the connection part 202, and the connection part 202 is fixedly connected to the drill rod 100 through the connection of the first connection flange 101 and the second connection flange 203. In order to improve the strength and the shear resistance of the first connecting flange 101 and the second connecting flange 203 after connection, a plurality of clamping protrusions 102 and clamping grooves 204 with the same number are respectively constructed on the first connecting flange 101 and the second connecting flange 203, the clamping protrusions 102 and the clamping grooves 204 are arranged correspondingly to each other, and each clamping protrusion 102 and each clamping groove 204 are matched with each other. When the first and second attachment flanges 101 and 203 are assembled together, the snap projections 102 fit into the corresponding snap recesses 204. The preferred communication form between the pulse jet holes 206 and the medium flow channel 103 in this embodiment is that a distribution hole 205 is opened at the upper end of the connecting portion 202, the distribution hole 205 extends downward along the axis of the connecting portion 202, and the lower end of the distribution hole 205 communicates with each pulse jet hole 206. Also, to enhance cooling and breakage, the pulse jet holes 206 extend radially from the lower end of the distribution hole 205 out of the lower end face of the drill bit 200.
As a preferred embodiment of the present invention, as shown in fig. 6, a third coupling flange 104 to be coupled with the power head is formed at the upper end of the drill rod 100. The drill rod 100 and the adapter are connected in a specific manner, wherein an assembly groove 105 is formed in the center of the upper end of the drill rod 100, the assembly groove 105 extends downwards along the axis of the drill rod 100, and the adapter is rotatably assembled in the assembly groove 105. Wherein, a plurality of bearings 301 are assembled in the assembly groove 105, the adaptor is a tubular structure 300, each bearing 301 is sleeved outside the tubular structure 300, and a plurality of sealing rings 304 are assembled on the upper part of the tubular structure 300. In order to avoid the damage of the bearing 301 caused by the axial displacement, a fixing ring 303 is fixedly installed in the assembling groove 105, the fixing ring 303 presses on the bearing 301 positioned at the top, a connecting flange 302 is configured on the outer wall of the tubular structure 300, the connecting flange 302 extends outwards along the radial direction of the tubular structure 300, and the connecting flange 302 and the fixing ring 303 are fastened through a plurality of bolts.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a high pressure, high temperature hard rock creeps into device, includes the drilling rod of being connected with the unit head, and installs in the drilling rod and keep away from the drill bit of unit head one end, its characterized in that: the drill rod is provided with a medium flow channel extending from one end of the drill rod to the other end of the drill rod along the axis of the drill rod, the lower end of the drill bit is uniformly provided with pulse type jet holes, each pulse type jet hole is communicated with the medium flow channel, the upper end of the drill rod is detachably provided with an adapter, the adapter is rotatably connected with the drill rod, and the adapter is communicated with a medium inlet pipe and the medium flow channel.
2. A high pressure, high temperature hard rock drilling apparatus according to claim 1, wherein: the drill bit comprises a drill bit body and a connecting part constructed at the upper end of the drill bit body, and the connecting part is detachably connected with the drill rod.
3. A high pressure, high temperature hard rock drilling apparatus according to claim 2, wherein: and a first connecting flange is formed at the lower end of the drill rod, a second connecting flange is formed at the upper end of the connecting part, and the connecting part and the drill rod are fixed through the connection of the first connecting flange and the second connecting flange.
4. A high pressure, high temperature hard rock drilling apparatus according to claim 3, wherein: the corresponding positions of the first connecting flange and the second connecting flange are respectively provided with a clamping protrusion and a clamping groove which are matched with each other, and when the first connecting flange and the second connecting flange are assembled together, the clamping protrusion is assembled in the corresponding clamping groove.
5. A high pressure, high temperature hard rock drilling apparatus according to claim 2, wherein: and the upper end of the connecting part is provided with a distribution hole extending downwards along the axis of the connecting part, and the lower end of the distribution hole is communicated with each pulse type jet hole.
6. A high pressure, high temperature hard rock drilling apparatus according to claim 5, wherein: the pulse type jet hole radially extends out of the lower end face of the drill bit from the lower end of the distribution hole.
7. A high pressure, high temperature hard rock drilling apparatus according to claim 1, wherein: and a third connecting flange connected with the power head is formed at the upper end of the drill rod.
8. A high pressure, high temperature hard rock drilling apparatus according to claim 1, wherein: an assembly groove extending downwards along the axis of the drill rod is formed in the center of the upper end of the drill rod, and the adapter is rotatably assembled in the assembly groove.
9. A high pressure, high temperature hard rock drilling apparatus according to claim 8, wherein: a plurality of bearings are assembled in the assembly groove, the adapter is of a tubular structure, each bearing is sleeved outside the tubular structure, and a plurality of sealing rings are assembled on the upper portion of the tubular structure.
10. A high pressure, high temperature hard rock drilling apparatus according to claim 9, wherein: and a fixing ring is fixedly arranged in the assembling groove, the fixing ring is pressed on the bearing positioned at the top, a connecting flange extending outwards along the radial direction of the outer wall of the tubular structure is constructed on the outer wall of the tubular structure, and the connecting flange and the fixing ring are fastened through a plurality of bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122213061.4U CN215804368U (en) | 2021-09-13 | 2021-09-13 | High-pressure and high-temperature hard rock drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122213061.4U CN215804368U (en) | 2021-09-13 | 2021-09-13 | High-pressure and high-temperature hard rock drilling device |
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| Publication Number | Publication Date |
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| CN215804368U true CN215804368U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122213061.4U Active CN215804368U (en) | 2021-09-13 | 2021-09-13 | High-pressure and high-temperature hard rock drilling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117432326A (en) * | 2023-09-07 | 2024-01-23 | 中国地质调查局自然资源综合调查指挥中心 | Excavation device and method for heterogeneous surface matrixes |
-
2021
- 2021-09-13 CN CN202122213061.4U patent/CN215804368U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117432326A (en) * | 2023-09-07 | 2024-01-23 | 中国地质调查局自然资源综合调查指挥中心 | Excavation device and method for heterogeneous surface matrixes |
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