CN211623378U - Blowout preventer for drilling hole in mine - Google Patents
Blowout preventer for drilling hole in mine Download PDFInfo
- Publication number
- CN211623378U CN211623378U CN202020239594.2U CN202020239594U CN211623378U CN 211623378 U CN211623378 U CN 211623378U CN 202020239594 U CN202020239594 U CN 202020239594U CN 211623378 U CN211623378 U CN 211623378U
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- CN
- China
- Prior art keywords
- wall
- sealing ring
- sleeve
- drilling
- pressure release
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Abstract
The utility model discloses a mine probing drilling blowout preventer, include: a sleeve; the sheathed tube top outer wall bolt fastening has the rig, and the rig runs through sheathed tube inner chamber through the shaft coupling and is connected with the drilling rod transmission, the pressure release hole has been seted up to sheathed tube outer wall, and the inboard open end intercommunication in pressure release hole has the pressure release pipe that extends to the sleeve pipe outside, the exit end intercommunication of pressure release pipe has the hose, and the exit end intercommunication of hose has the gas holder, the sheathed tube outer wall and the open end outside parcel that is located the pressure release hole have the sealing ring. The utility model discloses in, this drilling blowout preventer passes through the pressure release hole of seting up on the drilling rod, can receive the gas impact in the mine at the sealing ring and move the back up for highly compressed gas gets into in the pressure release hole and outwards derives, thereby plays the effect of pressure release buffering to highly compressed gas in the drilling, prevents that gas from spraying in the drilling of mine and handling, the effectual construction safety who ensures the drilling of mine.
Description
Technical Field
The utility model relates to a mine drilling technical field especially relates to a mine probing drilling blowout preventer.
Background
The mine is a general term of a roadway, a chamber, equipment, a ground building and a structure forming an underground coal mine production system, and is also a passage which is necessary for geological energy exploitation, gas usually exists in a free state and a suction state in a coal body or surrounding rock, and during gas extraction, a phenomenon that a large amount of coal powder and gas are continuously sprayed in a short time along with the extension of the depth of the mine, namely a drilling hole is sprayed, the gas concentration in the roadway is easy to exceed the standard due to the fact that a large amount of gas is sprayed from the drilling hole in a short time, and the personal safety of constructors is seriously damaged, so that blowout prevention treatment needs to be carried out on the drilling hole of the mine.
However, the existing drilling blowout preventer generally adopts a measure of sealing and blocking high-pressure gas in a drilling hole, and lacks the treatment of pressure relief of the high-pressure gas, and because the structure of sealing and blocking can generate an irreversible deformation phenomenon under long-time high-pressure impact, the phenomenon of gas leakage in the drilling hole is easy to occur, and the effect of preventing the gas blowout in the drilling hole is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a blowout preventer for drilling and boring in a mine.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a blowout preventer for a mine drilling borehole, comprising: a sleeve;
a drilling machine is fixed on the outer wall of the top of the sleeve through bolts and penetrates through the inner cavity of the sleeve through a coupling to be in transmission connection with the drill rod;
the outer wall of the sleeve is provided with a pressure relief hole, and the opening end of the inner side of the pressure relief hole is communicated with a pressure relief pipe extending to the outer side of the sleeve;
the outlet end of the pressure relief pipe is communicated with a hose, and the outlet end of the hose is communicated with an air storage tank;
the outer wall of the gas storage tank is communicated with a gas pressure meter;
the outer wall of the sleeve and the outer side of the opening end of the pressure relief hole are wrapped by sealing rings.
As a further description of the above technical solution:
the device also comprises a fixed frame;
the fixed frame is arranged on the outer wall of the opening end of the drill hole and positioned on the outer side of the sleeve;
the cross section of the fixing frame is of a U-shaped structure;
and a hydraulic cylinder is fixed on the inner wall of the horizontal end of the fixing frame through bolts and is connected with the outer wall of the drilling machine.
As a further description of the above technical solution:
also comprises a clamping ring;
the clamping ring is sleeved on the outer wall of the sleeve;
the outer wall of the clamping ring is connected with the sealing ring through a welded telescopic assembly;
the telescopic assembly consists of a jacket, a spring and an ejector rod, wherein one end of the ejector rod is elastically connected with the spring welded in the jacket.
As a further description of the above technical solution:
an outer sealing ring is stuck on the outer wall of the sealing ring;
an inner sealing ring is stuck on the inner wall of the sealing ring;
the thickness of the outer sealing ring is consistent with that of the inner sealing ring.
As a further description of the above technical solution:
the clamping device also comprises a clamping frame;
the clamping frame is fixed on the outer wall of the air storage tank through bolts;
the inside through connection of holding frame has the filter plate that extends to the gas holder inner chamber.
Advantageous effects
The utility model provides a mine probing drilling blowout preventer. The method has the following beneficial effects:
(1): this drilling blowout preventer passes through the pressure release hole of seting up on the drilling rod, can receive the gas impact in the mine at the sealing ring and move the back up for highly compressed gas gets into in the pressure release hole and outwards derives, thereby plays the effect of pressure release buffering to highly compressed gas in the drilling, prevents that gas from spraying from the mine drilling and handles, the effectual construction safety who ensures the mine drilling.
(2): this drilling blowout preventer adopts the elastic construction of flexible subassembly inner spring, can play the effect of the supplementary pressure release of secondary to the sealing ring when the sealing ring atress moves up, prevents that the too big phenomenon that takes place to drop of displacement of sealing ring on the sleeve pipe, further protection blowout preventer's protection security.
Drawings
Fig. 1 is a schematic overall structure diagram of a blowout preventer for drilling holes in a mine according to the present invention;
FIG. 2 is a schematic view of the internal structure of the telescopic assembly of the present invention;
FIG. 3 is a schematic cross-sectional view of a middle seal ring according to the present invention;
FIG. 4 is a schematic view of a partial structure of a joint between a middle sleeve and a pressure relief hole of the present invention;
fig. 5 is a schematic diagram of the internal structure of the middle gas storage tank of the present invention.
Illustration of the drawings:
1. a hydraulic cylinder; 2. a fixed mount; 3. a drilling machine; 4. a sleeve; 5. a clamping ring; 6. a telescoping assembly; 61. a jacket; 62. a spring; 63. a top rod; 7. a seal ring; 71. an outer sealing ring; 72. an inner seal ring; 8. a drill stem; 9. a pressure relief vent; 10. a pressure relief pipe; 11. a hose; 12. a gas storage tank; 121. filtering the plate; 122. a clamping frame; 123. a barometer.
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.
As shown in fig. 1-5, a blowout preventer for a borehole of a mine drilling includes: a sleeve 4;
the drilling machine 3 is fixed on the outer wall of the top of the sleeve 4 through bolts, and the drilling machine 3 penetrates through the inner cavity of the sleeve 4 through a coupling shaft and is in transmission connection with the drill rod 8;
the outer wall of the sleeve 4 is provided with a pressure relief hole 9, and the opening end of the inner side of the pressure relief hole 9 is communicated with a pressure relief pipe 10 extending to the outer side of the sleeve 4;
the outlet end of the pressure relief pipe 10 is communicated with a hose 11, and the outlet end of the hose 11 is communicated with an air storage tank 12;
the outer wall of the air storage tank 12 is communicated with an air pressure gauge 123;
the outer wall of the sleeve 4 and the outer side of the opening end of the pressure relief hole 9 are wrapped with a sealing ring 7;
an outer sealing ring 71 is stuck on the outer wall of the sealing ring 7;
an inner sealing ring 72 is stuck on the inner wall of the sealing ring 7;
the thickness of the outer sealing ring 71 is consistent with that of the inner sealing ring 72.
In this embodiment, insert drilling rod 8 in the drilling of mine, start rig 3 and make it drive drilling rod 8 and carry out the drilling operation, when drilling rod 8 drilled high-pressure gas, high-pressure gas can outwards flow along the inner wall of drilling, and contact with the outer sealing ring 7 of sleeve pipe 4, make sealing ring 7 atress outwards remove along the outer wall of sleeve pipe 4, because sealing ring 7 adopts the combined seal structure of outer sealing washer 71 and inner sealing washer 72, can play high-efficient sealed effect between the inner wall of sealing ring 7 and drilling, and expose pressure release hole 9, high-pressure gas can get into pressure release hole 9 and outwards flow along pressure release pipe 10 in this moment, and get into and collect in gas holder 12, and under the monitoring of barometer 123, ensure the pressure size safety of gas in gas holder 12.
Still include mount 2, mount 2 sets up the open end outer wall at drilling and is located the outside of sleeve pipe 4, and the cross-section of mount 2 is the U-shaped structure, and the horizontal end inner wall bolt fastening of mount 2 has pneumatic cylinder 1, and the outer wall connection of pneumatic cylinder 1 and rig 3.
In the embodiment, the fixing frame 2 is arranged on the outer wall of the opening end of the drill hole, so that the hydraulic cylinder 1 is connected with the drilling machine 3, the drilling machine 3 is supported, the phenomenon that the drilling machine 3 moves outwards when the sleeve 4 is impacted by stressed high-pressure gas is prevented, and the stability of the working states of the drilling machine 3 and the drill rod 8 is further ensured.
The clamping ring is characterized by further comprising a clamping ring 5, the clamping ring 5 is sleeved on the outer wall of the sleeve 4, the outer wall of the clamping ring 5 is connected with a sealing ring 7 through a welded telescopic assembly 6, the telescopic assembly 6 is composed of a clamping sleeve 61, a spring 62 and an ejector rod 63, and one end of the ejector rod 63 is elastically connected with the spring 62 welded in the clamping sleeve 61.
In this embodiment, when sealing ring 7 receives the high-pressure gas impact, sealing ring 7 can outwards extrude telescopic component 6 for ejector pin 63 extrudes spring 62 and makes it compress and cushion in pressing from both sides cover 61, and the fixed effect of centre gripping of cooperation clamp ring 5 plays the spacing effect of anticreep to the amplitude of movement of sealing ring 7, also ensures simultaneously that sealing ring 7 can automatic re-setting when not atress, seals the protection with pressure release hole 9.
The filter plate clamping device further comprises a clamping frame 122, the clamping frame 122 is fixed on the outer wall of the air storage tank 12 through bolts, and a filter plate 121 extending to the inner cavity of the air storage tank 12 is connected to the inside of the clamping frame 122 in a penetrating mode.
In this embodiment, the clamping frame 122 can play a role in clamping and fixing the embedded filter plate 121, so as to ensure the stability of the installation position of the filter plate 121 and facilitate the disassembling and assembling operation of the filter plate 121, so that the filter plate 121 can play an efficient filtering role on the gas entering the gas storage tank 12, thereby improving the cleanliness of the gas in the gas storage tank 12.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A blowout preventer for a mine drilling borehole, comprising: a sleeve (4);
a drilling machine (3) is fixed on the outer wall of the top of the sleeve (4) through bolts, and the drilling machine (3) penetrates through the inner cavity of the sleeve (4) through a coupling to be in transmission connection with a drill rod (8);
the outer wall of the sleeve (4) is provided with a pressure relief hole (9), and the opening end of the inner side of the pressure relief hole (9) is communicated with a pressure relief pipe (10) extending to the outer side of the sleeve (4);
the outlet end of the pressure relief pipe (10) is communicated with a hose (11), and the outlet end of the hose (11) is communicated with a gas storage tank (12);
the outer wall of the air storage tank (12) is communicated with a barometer (123);
and the outer wall of the sleeve (4) and the outer side of the opening end of the pressure relief hole (9) are wrapped by a sealing ring (7).
2. The blowout preventer according to claim 1, further comprising a mount (2);
the fixing frame (2) is arranged on the outer wall of the opening end of the drill hole and is positioned on the outer side of the sleeve (4);
the section of the fixing frame (2) is of a U-shaped structure;
and a hydraulic cylinder (1) is fixed on the inner wall of the horizontal end of the fixing frame (2) through bolts, and the hydraulic cylinder (1) is connected with the outer wall of the drilling machine (3).
3. The blowout preventer according to claim 1, further comprising a clamp ring (5);
the clamping ring (5) is sleeved on the outer wall of the sleeve (4);
the outer wall of the clamping ring (5) is connected with a sealing ring (7) through a welded telescopic component (6);
the telescopic assembly (6) consists of a jacket (61), a spring (62) and a push rod (63), wherein one end of the push rod (63) is elastically connected with the spring (62) welded in the jacket (61).
4. The blowout preventer according to claim 1, wherein the outer wall of the sealing ring (7) is glued with an outer sealing ring (71);
an inner sealing ring (72) is stuck to the inner wall of the sealing ring (7);
the thickness of the outer sealing ring (71) is consistent with that of the inner sealing ring (72).
5. The mine drilling borehole blowout preventer of claim 1, further comprising a gripper block (122);
the clamping frame (122) is fixed on the outer wall of the air storage tank (12) through bolts;
the interior of the clamping frame (122) is connected with a filter plate (121) which extends to the inner cavity of the air storage tank (12) in a penetrating way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020239594.2U CN211623378U (en) | 2020-03-03 | 2020-03-03 | Blowout preventer for drilling hole in mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020239594.2U CN211623378U (en) | 2020-03-03 | 2020-03-03 | Blowout preventer for drilling hole in mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211623378U true CN211623378U (en) | 2020-10-02 |
Family
ID=72621027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020239594.2U Expired - Fee Related CN211623378U (en) | 2020-03-03 | 2020-03-03 | Blowout preventer for drilling hole in mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211623378U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576218A (en) * | 2020-12-12 | 2021-03-30 | 山东泰山能源有限责任公司协庄煤矿 | Water exploration and drainage drilling blowout prevention water separator and working method |
-
2020
- 2020-03-03 CN CN202020239594.2U patent/CN211623378U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576218A (en) * | 2020-12-12 | 2021-03-30 | 山东泰山能源有限责任公司协庄煤矿 | Water exploration and drainage drilling blowout prevention water separator and working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201002 Termination date: 20210303 |