CN211715097U - Automatic blowout prevention holding device for coal mine water exploration - Google Patents
Automatic blowout prevention holding device for coal mine water exploration Download PDFInfo
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- CN211715097U CN211715097U CN202020155943.2U CN202020155943U CN211715097U CN 211715097 U CN211715097 U CN 211715097U CN 202020155943 U CN202020155943 U CN 202020155943U CN 211715097 U CN211715097 U CN 211715097U
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- mine water
- blowout prevention
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Abstract
The utility model discloses a coal mine water detection automatic blowout prevention holding device, which belongs to the technical field of blowout prevention safety equipment, and particularly relates to a coal mine water detection automatic blowout prevention holding device, which comprises a connecting plate and a fluid feeding plate, wherein the right side of the connecting plate is welded with a connecting outer pipe, the left side of the fluid feeding plate is welded with a sealing inner pipe, the sealing inner pipe is screwed in the inner wall of the connecting outer pipe, and the left side of the fluid feeding plate is welded with a slip which is positioned in the inner cavity of the sealing inner pipe. The safety protection effect is improved.
Description
Technical Field
The utility model relates to a prevent spouting safety device technical field specifically is an automatic prevent spouting cohesion device of water is visited in colliery.
Background
Coal mine resources in China are rich, but because geology is very complicated, coal seam characteristics are very different, and coal mines are few in exploitation and water exploration drilling machines are not needed. In the process of water exploration, a blowout phenomenon easily occurs, wherein the blowout phenomenon is a phenomenon that fluid in a stratum is sprayed out of the ground or flows into other strata in a well, and most of the blowout phenomenon occurs in the field of oil and gas exploitation. The causes of blowout are many: the stratum pressure is inaccurate to master, the mud density is low, and the height of a mud liquid column in the well is reduced; tripping suction, and other undesirable measures. Some blowout is normal, but when a large amount of fluid is sprayed out, the probability of the blowout accident is further increased easily, so that the fluid needs to be controlled in the water exploration process, and when the blowout occurs, the safety control effect is improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic anti-blowout holding device for water exploration in coal mine to solve the problem of how to further improve the safety protection effect of water exploration in-process that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic prevent spouting cohesion device of water is visited in colliery, includes connecting plate and fluid feed plate, the welding of connecting plate right side has the connection outer tube, the welding of the left side of fluid feed plate has sealed inner tube, the inner wall of sealed inner tube spiro union is connecting the outer tube, the welding of the left side of fluid feed plate has the slips, the slips is located the inner chamber of sealed inner tube, first steel backing plate and second steel backing plate have been cup jointed respectively to the inner chamber left and right sides of connecting the outer tube, evenly cup jointed rubber seal between first steel backing plate and the second steel backing plate, the right side joint of second steel backing plate has the wedge device, the wedge device joint is on the outer wall of slips, the joint has first elasticity steel ring in the inner chamber of wedge device.
Preferably, the cross section of the slip is isosceles trapezoid, and a stress inclined plane which is attached to the slip at an angle is integrally formed on the inner wall of the wedge-shaped device.
Preferably, a fluid-filled cavity is provided between the slips and the wedge apparatus.
Preferably, the integrated type has fixed ring groove on wedge device's the inner wall, the rubber circle has been cup jointed on the outer wall of first elasticity steel ring, first elasticity steel ring passes through the rubber circle to be fixed in the fixed ring groove.
Preferably, the connecting outer pipe and the sealing inner pipe are seamless steel pipes.
Preferably, an elastic steel ring for resetting is sleeved in an inner cavity of the slip.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the utility model adopts the wedge-shaped device, under the condition of meeting the blowout, the flow is increased suddenly, under the condition that the stress area of the wedge-shaped device is larger, the stress pressure intensity is increased, the wedge-shaped device is driven to move to the rubber sealing ring, so as to drive the steel backing plates on the two sides to extrude, thereby the rubber sealing ring is deformed, the liquid pressure intensity is larger, the deformation force of the rubber sealing ring is larger, the holding force is also increased, and the safety protection effect is improved;
2) the utility model discloses a be equipped with mobilizable wedge device, carry out the pressure boost according to fluidic flow and water pressure to the realization is to rubber seal's extrusion deformation, thereby it is fixed to accomplishing the holding tightly of exploring the water rig, reduces the probability that the blowout accident appears, improves the safe effect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the device comprises a connecting plate 1, a fluid feeding plate 2, a connecting outer pipe 3, a sealing inner pipe 4, a slip 5, a wedge-shaped device 6, a first elastic steel ring 7, a rubber sealing ring 8, a first steel base plate 9 and a second steel base plate 10.
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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be 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 in specific cases to those skilled in the art.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a colliery is visited automatic blowout prevention and is held device tightly, includes connecting plate 1 and fluid feed plate 2, accomplishes the connection between drill bit and the equipment body on the rig that visits.
The welding of 1 right side of connecting plate has connection outer tube 3, the welding of the left side of fluid feed plate 2 has sealed inner tube 4, the connection between outer tube 3 and sealed inner tube 4 is realized being fixed in the inner wall of connecting outer tube 3 to sealed inner tube 4 spiro union to slips 5, the location of wedge device 6, realize the support connection between wedge device 6 and slips 5, the drilling rod is arranged in the inner chamber of slips 5, has realized the stability of being connected and the atress between drilling rod and the rig.
The left side of the fluid feeding plate 2 is welded with a slip 5, the slip 5 is positioned in an inner cavity of a sealed inner tube 4, the left side and the right side of the inner cavity of the connected outer tube 3 are respectively sleeved with a first steel backing plate 9 and a second steel backing plate 10, a rubber sealing ring 8 is uniformly sleeved between the first steel backing plate 9 and the second steel backing plate 10, the right side of the second steel backing plate 10 is clamped with a wedge-shaped device 6, the wedge-shaped device 6 is clamped on the outer wall of the slip 5, a first elastic steel ring 7 is clamped in the inner cavity of the wedge-shaped device 6, when a blowout phenomenon occurs in a fluid, hydraulic pressure is enhanced, flow is increased, the wedge-shaped device 6 is enabled to be larger than a discharge amount due to fluid increment within a short time, pressure is rapidly raised, the wedge-shaped device moves to the left side, the compression of the first elastic steel ring 7 and the deformation of the rubber sealing ring 8 are driven, a, the probability of accidents is reduced.
The cross section of the slip 5 is of a circular truncated cone shape, a stress inclined plane which is attached to the slip 5 in an angle mode is integrally formed on the inner wall of the wedge-shaped device 6, when hydraulic pressure rises, the wedge-shaped device 6 moves, and the rubber sealing ring 8 is held tightly after extrusion deformation is completed.
The fluid filling cavity is arranged between the slip 5 and the wedge-shaped device 6, when a fluid is stable, the entering amount and the discharging amount are approximately stable, the wedge-shaped device 6 is guaranteed to be fixed, when the fluid speed rises, the flow rate is increased, the pressure rises, the contact area is increased, the pressure of a stress surface is reduced, the integral balance movement can be guaranteed, and the problem that the single position preferentially sideslips to cause extrusion failure is avoided.
The one-piece type has fixed ring groove on wedge device 6's the inner wall, the rubber circle has been cup jointed on first elasticity steel ring 7's the outer wall, first elasticity steel ring 7 passes through the rubber circle to be fixed in fixed ring groove, and is undulant meetting the liquid flow rate, drives 6 displacement backs of wedge device, through the resilience of first elasticity steel ring 7, realizes the regulation that resets to wedge device 6.
The connecting outer pipe 3 and the sealing inner pipe 4 are all seamless steel pipes, stress is stable, and protection effect is improved.
The inner cavity of the slip 5 is sleeved with the elastic steel ring for resetting, so that the external force resistance of the slip 5 is improved, and the probability of the problem that the wedge-shaped device 6 cannot be restored due to expansion of the opening of the slip 5 is improved.
The working principle is as follows: the utility model discloses when the blowout phenomenon appears, the fluid velocity of flow, the flow increase, make the increase of pressure that receives on the wedge device 6, make wedge device 6 to the left side displacement, through the steel backing plate of both sides, drive extrusion and emergence deformation between the inboard rubber seal 8, thereby hold tightly the drilling rod that is arranged in rubber seal 8, improve the connection dynamics and the sealed effect between machine and the drilling rod, thereby reduce the connection and break off, the fluid is from the probability that drilling rod department spun leads to the emergence accident, improve the safety effect.
Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an automatic anti-blowout enclasping device for coal mine water detection, includes connecting plate (1) and fluid feed plate (2), its characterized in that: the right side of the connecting plate (1) is welded with a connecting outer pipe (3), the left side of the fluid feeding plate (2) is welded with a sealing inner pipe (4), the sealing inner pipe (4) is screwed in the inner wall of the connecting outer pipe (3), slips (5) are welded on the left side of the fluid feeding plate (2), the slips (5) are positioned in the inner cavity of the sealed inner pipe (4), the left side and the right side of the inner cavity of the connecting outer pipe (3) are respectively sleeved with a first steel backing plate (9) and a second steel backing plate (10), rubber sealing rings (8) are uniformly sleeved between the first steel backing plate (9) and the second steel backing plate (10), the right side of the second steel backing plate (10) is clamped with a wedge-shaped device (6), the wedge-shaped device (6) is clamped on the outer wall of the slip (5), a first elastic steel ring (7) is clamped in the inner cavity of the wedge-shaped device (6).
2. The automatic coal mine water detection blowout prevention enclasping device according to claim 1, characterized in that: the cross section of the slip (5) is isosceles trapezoid, and a stress inclined plane which is attached to the slip (5) in an angle mode is integrally formed on the inner wall of the wedge-shaped device (6).
3. The automatic coal mine water detection blowout prevention enclasping device according to claim 1, characterized in that: and a fluid filling cavity is arranged between the slip (5) and the wedge-shaped device (6).
4. The automatic coal mine water detection blowout prevention enclasping device according to claim 1, characterized in that: the integrated fixed ring groove that has on the inner wall of wedge device (6), the rubber circle has been cup jointed on the outer wall of first elasticity steel ring (7), first elasticity steel ring (7) are fixed in the fixed ring groove through the rubber circle.
5. The automatic coal mine water detection blowout prevention enclasping device according to claim 1, characterized in that: the connecting outer pipe (3) and the sealing inner pipe (4) are seamless steel pipes.
6. The automatic coal mine water detection blowout prevention enclasping device according to claim 1, characterized in that: an elastic steel ring for resetting is sleeved in an inner cavity of the slip (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020155943.2U CN211715097U (en) | 2020-02-08 | 2020-02-08 | Automatic blowout prevention holding device for coal mine water exploration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020155943.2U CN211715097U (en) | 2020-02-08 | 2020-02-08 | Automatic blowout prevention holding device for coal mine water exploration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211715097U true CN211715097U (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020155943.2U Active CN211715097U (en) | 2020-02-08 | 2020-02-08 | Automatic blowout prevention holding device for coal mine water exploration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211715097U (en) |
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2020
- 2020-02-08 CN CN202020155943.2U patent/CN211715097U/en active Active
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