CN212563157U - Water inrush preventing device for underground drilling - Google Patents
Water inrush preventing device for underground drilling Download PDFInfo
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- CN212563157U CN212563157U CN202021149047.1U CN202021149047U CN212563157U CN 212563157 U CN212563157 U CN 212563157U CN 202021149047 U CN202021149047 U CN 202021149047U CN 212563157 U CN212563157 U CN 212563157U
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Abstract
The utility model discloses a device of bursting water is prevented in probing in pit, it is main to bear the frame including the top, the connecting piece with prevent protruding main part, wherein, the top bears the top that the meshing was fixed in the connecting piece, the outside that the top bore the frame all is provided with bearing rib board all around, the outside top of connecting piece all is provided with the counter sink all around and the bottom all around, prevent protruding inside that the main part is fixed in the connecting piece, the outside top of preventing protruding main part all is provided with the screw all around and the bottom all around, the inside of preventing protruding main part evenly is provided with many spiral fan blades, every spiral fan blade's centre all is provided with the probing hole, the drilling. The utility model discloses a device of bursting water is prevented in probing in the pit, uses with the drilling rod cooperation, and the mainly used is probing the in-process in the pit and slows down high water pressure's impact to reach the effect of preventing bursting water, its component simple structure, cost economy, the installation and the dismantlement of being convenient for have good use flexibility and certain commonality.
Description
Technical Field
The utility model relates to a well drilling field specifically is a device of water inrush is prevented in probing in pit.
Background
The drilling is the most direct concealed disaster-causing factor exploration technology, has the advantages of high precision, strong intuition, wide adaptation range and the like, and plays an increasingly important role in structure exploration, detection of old goafs, water exploration and drainage, gas pressure relief, fire area exploration and other concealed disaster-causing factor exploration. At present, outburst prevention drill rods are mostly adopted for underground drilling to avoid water outburst, the cost of replacing all common drill rods with the outburst prevention drill rods is high, the resistance of the outburst prevention drill rods in the actual drilling process is high, and the drilling efficiency is low. In order to solve the problems existing in the prior art, the utility model discloses a water inrush device is prevented in drilling in the pit.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving present drilling in the pit and adopting the outburst prevention drilling rod to avoid preventing water inrush mostly, and be higher with the cost of all ordinary drilling rod replacements for the outburst prevention drilling rod, and the resistance of outburst prevention drilling rod at the drilling in-process of reality is great, its drilling efficiency shortcoming such as lower, and provide a drilling in the pit and prevent water inrush device.
In order to achieve the above object, the utility model provides a following technical scheme: bear frame, connecting piece and outburst prevention main part mainly including the top, the top bears the frame meshing and is fixed in the top of connecting piece, the outside that the frame was born at the top all is provided with all around and bears the gusset, the outside top of connecting piece all is provided with the counter sink all around and the bottom all around, the outburst prevention main part is fixed in the inside of connecting piece, the outside top of outburst prevention main part all is provided with the screw all around and the bottom all around, the inside of outburst prevention main part evenly is provided with many places spiral fan blade.
Preferably, the bottom of the top bearing frame is provided with an internal thread, the top of the connecting piece is provided with an external thread, and the bottom of the connecting piece is provided with an internal thread, wherein the top bearing frame and the connecting piece are fixed through thread engagement, and the two adjacent connecting pieces are fixed through thread engagement. The adjacent connecting pieces can be quickly assembled or disassembled through threaded engagement, the head and the tail of the connecting pieces can be increased or reduced according to the requirements of conditions, the overall length is changed at this time, and the connecting piece has good use flexibility.
Preferably, the connecting piece is fixed with the screw holes of the anti-protrusion main body by placing countersunk bolts in countersunk holes at the periphery of the top and the periphery of the bottom of the outer side of the connecting piece respectively, wherein the type and the position of the countersunk hole in the connecting piece correspond to the type and the position of the screw hole in the anti-protrusion main body. The outburst prevention main body can be detached and replaced in the connecting piece, when different drill rods are used, only the corresponding outburst prevention main body needs to be replaced, the connecting piece does not need to be replaced, and the outburst prevention main body has certain universality.
Preferably, the four bearing rib plates on the outer side of the top bearing frame and the top bearing frame are of an integrated structure, and the four bearing rib plates are respectively positioned in four directions of the top bearing frame. The top bearing frame is used for bearing and supporting the whole body and mainly bears and supports through the bearing rib plates at four positions.
Preferably, a drilling hole is formed in the middle of the spiral fan blade, the drill rod is vertically positioned in the drilling hole, and the drill rod is in clearance fit with the drilling hole. The spiral fan blades are mainly used for slowing down the impact force of underground high-pressure water, when underground water rushes upwards, the underground water mainly rushes upwards along the spiral fan blades, and the effect of preventing water inrush can be effectively achieved under the buffering of the spiral fan blades. Since the drill rod is located in the drill hole, when a different drill rod is replaced, the corresponding outburst prevention body should be replaced according to the difference of the drill hole.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a device of bursting water is prevented in probing in the pit, uses with the drilling rod cooperation, and the mainly used is probing the in-process in the pit and slows down high water pressure's impact to reach the effect of preventing bursting water, its component simple structure, cost economy, the installation and the dismantlement of being convenient for have good use flexibility and certain commonality, and its probing is efficient.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic bottom view of the present invention.
Fig. 3 is a schematic top view of the present invention.
Fig. 4 is a schematic sectional view a-a of the present invention.
Fig. 5 is a schematic diagram B of the local enlarged structure of the present invention.
Fig. 6 is a schematic diagram C of a partially enlarged structure of the present invention.
In the figure: 1-top bearing frame, 2-connecting piece, 3-outburst prevention main body, 4-bearing rib plate, 5-counter bore, 6-screw hole, 7-spiral fan blade, 8-drilling hole and 9-drill rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Referring to fig. 1-6, the present invention provides a technical solution: bear frame 1, connecting piece 2 and prevent protruding main part 3 mainly including the top, the top bears the top that 1 meshing was fixed in connecting piece 2, the outside that the top bore frame 1 all is provided with all around bears the gusset 4, the outside top of connecting piece 2 all is provided with counter sink 5 all around and the bottom all around, prevent protruding main part 3 and be fixed in the inside of connecting piece 2, the outside top of preventing protruding main part 3 all is provided with screw 6 all around and the bottom all around, the inside of preventing protruding main part 3 evenly is provided with many places helical fan blade 7.
The bottom that the top bore 1 is provided with the internal thread, and the top of connecting piece 2 is provided with the external screw thread, and the bottom of connecting piece 2 is provided with the internal thread, and wherein, it is fixed through thread engagement between top bore 1 and the connecting piece 2, and it is fixed through thread engagement between two connecting pieces 2 that face mutually. The adjacent connecting pieces 2 can be quickly assembled or disassembled through threaded engagement, the head and the tail of the connecting pieces 2 can be increased or reduced according to the requirements of the conditions, the overall length is changed, and the connecting piece has good use flexibility.
The connecting piece 2 is fixed with the screw holes 6 of the outburst prevention main body 3 by respectively placing countersunk bolts in countersunk holes 5 on the periphery of the top and the periphery of the bottom of the outer side of the connecting piece 2, wherein the type and the position of the countersunk hole 5 in the connecting piece 2 correspond to the type and the position of the screw hole 6 in the outburst prevention main body 3. The outburst prevention main body 3 can be detached and replaced in the connecting piece 2, when different drill rods are used, only the corresponding outburst prevention main body 3 needs to be replaced, the connecting piece does not need to be replaced, and the outburst prevention main body has certain universality.
The four bearing rib plates 4 on the outer side of the top bearing frame 1 and the top bearing frame 1 are of an integrated structure, and the four bearing rib plates 4 are respectively positioned in four directions of the top bearing frame 1. The top bearing frame 1 is used for integral bearing and supporting and is mainly carried and supported by four bearing rib plates 4.
The middle of the spiral fan blade 7 is provided with a drilling hole 8, a drill rod 9 is vertically positioned in the drilling hole 8, and the drill rod 9 is in clearance fit with the drilling hole 8. The plurality of spiral fan blades 7 are mainly used for slowing down the impact force of underground high-pressure water, when underground water rushes upwards, the underground water mainly rushes upwards along the spiral fan blades 7, and the effect of preventing water inrush can be effectively achieved under the buffering of the plurality of spiral fan blades 7. Since the drill rods 9 are located in the drill holes 8, when different drill rods 9 are replaced, the corresponding anti-extrusion bodies 3 should be replaced according to the difference of the drill holes 8.
The utility model discloses a theory of operation does: first, an appropriate number of connectors 2 are selected according to circumstances, and the protrusion preventing bodies 3 are fixed in the connectors 2, and after all the connectors 2 are fixed end to end by screw engagement, the bottom of the top carrier 1 is engaged with the top of the topmost connector 2. Secondly, drilling downwards to a depth corresponding to the length of the connector 2 according to the diameter and the total length thereof, placing the connector 2 in the drill hole, and carrying the support by the top carriage 1. Finally, the drill rod 9 is placed in the drill hole 8 and drilling is continued downwards. When a water source is drilled, underground water begins to flow upwards, and when the underground water flows to the outburst prevention main body 3, the underground water begins to flow upwards along the spiral fan blades 7, and the effect of water outburst prevention can be effectively achieved under the buffering of the spiral fan blades 7 at multiple positions.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. An anti-water inrush device for downhole drilling, characterized in that: bear frame (1), connecting piece (2) and prevent abrupt main part (3) including the top mainly, the top bears the top that frame (1) meshing was fixed in connecting piece (2), the outside that the frame (1) was born at the top all is provided with all around bears gusset (4), the outside top of connecting piece (2) all is provided with counter sink (5) all around and the bottom all around, prevent the inside that abrupt main part (3) is fixed in connecting piece (2), the outside top of preventing abrupt main part (3) all is provided with screw (6) all around and the bottom all around, the inside of preventing abrupt main part (3) evenly is provided with many places spiral fan blade (7).
2. A downhole drilling water inrush preventer as claimed in claim 1, wherein: the bottom that bears frame (1) is provided with the internal thread in the top, and the top of connecting piece (2) is provided with the external screw thread, and the bottom of connecting piece (2) is provided with the internal thread, and wherein, it is fixed through threaded engagement between frame (1) and the connecting piece (2) to bear the top, and it is fixed through threaded engagement between two connecting pieces (2) mutually.
3. A downhole drilling water inrush preventer as claimed in claim 1, wherein: the connecting piece (2) is meshed and fixed with the screw holes (6) of the outburst prevention main body (3) through countersunk bolts placed in countersunk holes (5) on the periphery of the top and the periphery of the bottom of the outer side of the connecting piece (2), wherein the type and the position of the countersunk hole (5) in the connecting piece (2) correspond to the type and the position of the screw hole (6) in the outburst prevention main body (3).
4. A downhole drilling water inrush preventer as claimed in claim 1, wherein: the bearing device is characterized in that four bearing rib plates (4) on the outer side of the top bearing frame (1) and the top bearing frame (1) are of an integrated structure, and the four bearing rib plates (4) are respectively located in four directions of the top bearing frame (1).
5. A downhole drilling water inrush preventer as claimed in claim 1, wherein: a drilling hole (8) is formed in the middle of the spiral fan blade (7), a drill rod (9) is vertically located in the drilling hole (8), and the drill rod (9) is in clearance fit with the drilling hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021149047.1U CN212563157U (en) | 2020-06-19 | 2020-06-19 | Water inrush preventing device for underground drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021149047.1U CN212563157U (en) | 2020-06-19 | 2020-06-19 | Water inrush preventing device for underground drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212563157U true CN212563157U (en) | 2021-02-19 |
Family
ID=74611762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021149047.1U Active CN212563157U (en) | 2020-06-19 | 2020-06-19 | Water inrush preventing device for underground drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212563157U (en) |
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2020
- 2020-06-19 CN CN202021149047.1U patent/CN212563157U/en active Active
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