CN217028858U - Coal mine gas extraction drilling hole plugging structure - Google Patents
Coal mine gas extraction drilling hole plugging structure Download PDFInfo
- Publication number
- CN217028858U CN217028858U CN202220746477.4U CN202220746477U CN217028858U CN 217028858 U CN217028858 U CN 217028858U CN 202220746477 U CN202220746477 U CN 202220746477U CN 217028858 U CN217028858 U CN 217028858U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- exhaust pipe
- connecting ring
- ring
- coal mine
- 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 coal mine gas extraction drill hole plugging structure which comprises an exhaust pipe, wherein a fixing mechanism is arranged on the surface of the exhaust pipe, the fixing mechanism comprises a first connecting ring, the first connecting ring is slidably arranged on the surface of the exhaust pipe, a plurality of first connecting rods are rotatably arranged on the surface of the first connecting ring, a second connecting rod is rotatably arranged at the top end of the first connecting rod, a second connecting ring is rotatably arranged at the top end of the second connecting rod, the second connecting ring is slidably arranged on the surface of the exhaust pipe, elastic blocking pads are fixedly arranged on the surfaces of the first connecting rod and the second connecting rod, a limiting ring is fixedly arranged on the surface of the exhaust pipe, the limiting ring is arranged below the first connecting ring, and a driving mechanism is arranged on the surface of the exhaust pipe. This block structure through setting up fixed establishment, in the whole installation, because first connecting rod and second connecting rod are inside embedding soil layer, consequently, possess bigger stationary force to can effectually prevent that the exhaust tube is not hard up.
Description
Technical Field
The utility model relates to the technical field of plugging structures, in particular to a coal mine gas extraction drill hole plugging structure.
Background
Before the coal mine is exploited, need take out gas, when taking out gas, at first need follow ground drilling to coal seam, then put exhaust tube to coal seam, later need carry out the shutoff between exhaust tube and the pore wall, prevent gas leakage, present conventional shutoff mode just utilizes two or a plurality of slip casting bags to fix the exhaust tube downtheholely, later carries out the slip casting toward the gap between two bags to realize sealedly.
Such a blocking structure has the following problems in use: because the exhaust pipe is fixed by utilizing the friction force between the bag and the hole wall, when a drill hole is deeper, the exhaust pipe needing to be lowered is longer, so that the whole exhaust pipe is heavier, the friction force of the air bag is possibly insufficient, in addition, gas released from a coal seam can generate pressure, the pressure can possibly blow the air bag, the exhaust pipe is finally floated upwards, and the fixing firmness is not reliable. Therefore, the utility model provides a coal mine gas extraction drill hole plugging structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a coal mine gas extraction drill hole plugging structure to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a colliery gas drainage drilling block structure, includes the exhaust tube, the surface of exhaust tube is equipped with fixed establishment, fixed establishment includes first connecting ring, and first connecting ring slidable mounting installs the first connecting rod of a plurality of on the surface of exhaust tube, the surface rotation of first connecting ring, and the top of first connecting rod is rotated and is installed the second connecting rod, and the top of second connecting rod is rotated and is installed the second go-between, and second go-between slidable mounting is on the surface of exhaust tube, the elastic fender pad of the equal fixed mounting in surface of first connecting rod and second connecting rod, the fixed surface of exhaust tube installs the spacing ring, and the spacing ring setting is in the below of first connecting ring, and the surface of exhaust tube is equipped with actuating mechanism, drives the second go-between through actuating mechanism and slides.
Preferably, the driving mechanism comprises a top sleeve, the top sleeve is slidably mounted on the surface of the exhaust pipe, and the bottom end of the top sleeve is tightly attached to the second connecting ring.
Preferably, a driving nut is installed on the surface of the exhaust tube in a threaded manner, and the driving nut drives the ejection sleeve to slide.
Preferably, the surface cover of exhaust tube is equipped with the mount, the bottom and the ground fixed connection of mount.
Preferably, the upper surface and the lower surface of the fixing frame are both provided with fixing nuts, and the fixing of the fixing frame and the exhaust tube is realized through the fixing nuts.
Preferably, the exhaust tube is provided with a grouting tube, the surface of the exhaust tube is provided with a plurality of gas extraction holes, and the top end of the exhaust tube is in threaded connection with a connecting tube.
Advantageous effects
The utility model provides a coal mine gas extraction drill hole plugging structure which has the following beneficial effects:
1. the coal mine gas extraction drill hole plugging structure is characterized in that a fixing mechanism is arranged, when the plugging structure is used, firstly, a hole is drilled in the ground of the ground to a coal seam, then an exhaust pipe is inserted into the hole, then a top sleeve is sleeved on the surface of the exhaust pipe, then a fixing frame is sleeved on the surface of the exhaust pipe, the exhaust pipe is fixedly connected with the fixing frame by using a fixing nut, at the moment, a driving nut can be rotated to drive the top sleeve to slide, the top sleeve can drive a second connecting ring to slide, the second connecting ring can drive a first connecting rod and a second connecting rod to rotate, and the first connecting rod and the second connecting rod are embedded into the soil layer, so that the exhaust pipe can be fixed, then the top sleeve can be extracted, then grouting is carried out in the hole by using a grouting pipe, the outer wall of the exhaust pipe is sealed, and in the whole installation process, the first connecting rod and the second connecting rod are embedded into the soil layer, therefore, the air exhaust pipe has larger fixing force, so that the air exhaust pipe can be effectively prevented from loosening.
2. This colliery gas drainage drilling block structure, through setting up fixed establishment, when carrying out slip casting, because first connecting rod and second connecting rod pivoted in time can make the fender pad strut, the thick liquid just can stop at the fender upper surface this moment, and under the oppression of thick liquid, first connecting rod and second connecting rod can be inlayed toward soil horizon inside more, and simultaneously, when the inside gas in coal seam outwards expands, also can promote first connecting rod and the embedding of second connecting rod to soil horizon inside, make whole structure have stronger stability, further facilitate the use.
Drawings
FIG. 1 is a schematic view of the installation of the present invention;
FIG. 2 is an enlarged view of the point A in FIG. 1;
FIG. 3 is a perspective view of the air extraction tube of the present invention.
In the figure: the device comprises an extraction pipe 1, a first connecting ring 2, a first connecting rod 3, a second connecting rod 4, a second connecting ring 5, a blocking cushion 6, a limiting ring 7, a top sleeve 8, a driving nut 9, a fixing frame 10, a fixing nut 11, a grouting pipe 12, an air extraction hole 13, a connecting pipe 14 and a ground 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
the working principle is as follows: when the plugging structure is used, firstly, a coal bed is drilled on the ground 15, then the exhaust pipe 1 is inserted into the hole, then the top sleeve 8 is sleeved on the surface of the exhaust pipe 1, then the fixed frame 10 is sleeved on the surface of the exhaust pipe 1, the exhaust pipe 1 is fixedly connected with the fixed frame 10 by the fixed nut 11, at this time, the driving nut 9 can be rotated, the driving nut 9 drives the top sleeve 8 to slide, the top sleeve 8 can drive the second connecting ring 5 to slide, the second connecting ring 5 can drive the first connecting rod 3 and the second connecting rod 4 to rotate, so that the first connecting rod 3 and the second connecting rod 4 are embedded into the soil layer, in this way, the fixing of the exhaust pipe 1 can be realized, then the top sleeve 8 can be extracted, then, grouting is carried out in the hole by using the grouting pipe 12, so as to finish the sealing of the outer wall of the exhaust pipe 1, in the whole installation process, because the first connecting rod 3 and the second connecting rod 4 are embedded into the soil layer, therefore, a greater fixing force is provided, and the air extraction pipe 1 can be effectively prevented from loosening.
When carrying out the slip casting, can make in the time of because first connecting rod 3 and second connecting rod 4 rotate and keep off and fill up 6 struts, the thick liquid just can stop at this moment and keep off and fill up 6 upper surfaces, and under the oppression of thick liquid, first connecting rod 3 and second connecting rod 4 can be more toward the inside embedding of soil layer, and simultaneously, when the inside gas in coal seam outwards expands, also can promote first connecting rod 3 and second connecting rod 4 to the inside embedding of soil layer, make whole structure have stronger stability, further facilitate the use.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a colliery gas drainage drilling block structure, includes exhaust tube (1), its characterized in that: the surface of the exhaust pipe (1) is provided with a fixing mechanism, the fixing mechanism comprises a first connecting ring (2), the first connecting ring (2) is slidably mounted on the surface of the exhaust pipe (1), a plurality of first connecting rods (3) are rotatably mounted on the surface of the first connecting ring (2), a second connecting rod (4) is rotatably mounted at the top end of each first connecting rod (3), a second connecting ring (5) is rotatably mounted at the top end of each second connecting rod (4), the second connecting ring (5) is slidably arranged on the surface of the exhaust pipe (1), elastic blocking pads (6) are fixedly arranged on the surfaces of the first connecting rod (3) and the second connecting rod (4), a limiting ring (7) is fixedly arranged on the surface of the exhaust pipe (1), and the limiting ring (7) is arranged below the first connecting ring (2), the surface of the exhaust tube (1) is provided with a driving mechanism, and the driving mechanism drives the second connecting ring (5) to slide.
2. The coal mine gas extraction drill hole plugging structure of claim 1, characterized in that: the driving mechanism comprises a top sleeve (8), the top sleeve (8) is slidably mounted on the surface of the exhaust pipe (1), and the bottom end of the top sleeve (8) is tightly attached to the second connecting ring (5).
3. The coal mine gas extraction drill hole plugging structure according to claim 2, characterized in that: and a driving nut (9) is installed on the surface of the exhaust tube (1) in a threaded manner, and the ejector sleeve (8) is driven to slide by the driving nut (9).
4. The coal mine gas extraction drill hole plugging structure according to claim 3, characterized in that: the surface cover of exhaust tube (1) is equipped with mount (10), the bottom and the ground fixed connection of mount (10).
5. The coal mine gas extraction drill hole plugging structure according to claim 4, characterized in that: the upper surface and the lower surface of the fixing frame (10) are both provided with fixing nuts (11), and the fixing of the fixing frame (10) and the exhaust tube (1) is realized through the fixing nuts (11).
6. The coal mine gas extraction drill hole plugging structure according to claim 1, characterized in that: the grouting device is characterized in that the air exhaust pipe (1) is provided with a grouting pipe (12), a plurality of air exhaust holes (13) are formed in the surface of the air exhaust pipe (1), and a connecting pipe (14) is connected to the top end of the air exhaust pipe (1) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220746477.4U CN217028858U (en) | 2022-04-01 | 2022-04-01 | Coal mine gas extraction drilling hole plugging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220746477.4U CN217028858U (en) | 2022-04-01 | 2022-04-01 | Coal mine gas extraction drilling hole plugging structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217028858U true CN217028858U (en) | 2022-07-22 |
Family
ID=82414978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220746477.4U Active CN217028858U (en) | 2022-04-01 | 2022-04-01 | Coal mine gas extraction drilling hole plugging structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217028858U (en) |
-
2022
- 2022-04-01 CN CN202220746477.4U patent/CN217028858U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112031675B (en) | Sectional type grouting equipment for ground drilling | |
| CN204827222U (en) | Hydrodrill with drill way blowout preventer | |
| CN201129183Y (en) | Tubule subsection repeat grouting apparatus | |
| CN217028858U (en) | Coal mine gas extraction drilling hole plugging structure | |
| CN101196005A (en) | Drill absorption pile structure and construction method thereof | |
| CN102102503A (en) | Sand prevention method for four-inch small hole | |
| CN113669058A (en) | Anti-spraying coal mine underground high-pressure water jet cross-layer drilling coal breaking permeability increasing device | |
| CN206753527U (en) | A kind of comprehensive coal dust collection device of coal mine drilling | |
| CN212358202U (en) | Slope protection net for ecological hydraulic engineering | |
| CN104912520A (en) | Horizontally butted well hydraulic scour migration pressure relief outburst elimination gas extraction method | |
| CN105756081B (en) | Self-locking head prestress wire round platform concrete cylinder offshore wind turbine foundation and its construction method | |
| CN107939347A (en) | A kind of single current draining process pipe string | |
| CN202300200U (en) | Spiral deep-hole drilling machine with large hole diameter | |
| CN109137953A (en) | Native construction equipment is quickly taken under water | |
| CN201401152Y (en) | Double-packing-element releasing packer | |
| CN209277931U (en) | A kind of this coal bed gas extraction of underground coal mine drilling integrated apparatus | |
| CN211950397U (en) | Negative pressure well washing device | |
| CN102367725A (en) | Large-aperture spiral deep hole drill | |
| CN218324786U (en) | Continuous drilling fluid filling device for land drilling engineering | |
| CN218780864U (en) | Air-water pipe fixing support | |
| CN214247347U (en) | Grouting is with filling head fixing device | |
| CN215927388U (en) | Anti-spraying coal mine underground high-pressure water jet cross-layer drilling coal breaking permeability increasing device | |
| CN114278252B (en) | Water stopping equipment for geological water pumping test and use method | |
| CN202500607U (en) | Device for drilling and draining towards holes under coal layer | |
| CN217270246U (en) | Supporting operation platform of coal mine tunneling supporting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |