CN214616450U - Tire bag type anti-slip hole packer for gas extraction drilling of bottom suction roadway - Google Patents
Tire bag type anti-slip hole packer for gas extraction drilling of bottom suction roadway Download PDFInfo
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- CN214616450U CN214616450U CN202120457125.2U CN202120457125U CN214616450U CN 214616450 U CN214616450 U CN 214616450U CN 202120457125 U CN202120457125 U CN 202120457125U CN 214616450 U CN214616450 U CN 214616450U
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Abstract
A tire bag type anti-slip hole packer for a gas extraction drill hole of a bottom suction roadway comprises an extraction pipe, a liquid injection pipe, a grouting pipe, an upper rubber body tire bag and a lower rubber body tire bag, wherein the extraction pipe, the liquid injection pipe and the grouting pipe are arranged in parallel, the liquid injection pipe penetrates through the lower rubber body tire bag and the upper rubber body tire bag, an upper port of the liquid injection pipe is provided with a plug, liquid outlet holes are formed in the upper rubber body tire bag and the lower rubber body tire bag on the liquid injection pipe, a through hole is formed between the upper rubber body tire bag and the lower rubber body tire bag on the extraction pipe, the grouting pipe is arranged in the extraction pipe and is in contact with the inner wall of the extraction pipe, and the upper end of the grouting pipe is bent to penetrate through the through hole and extend out of the extraction pipe. The utility model discloses a hole sealing method has avoided conventional hole sealing to beat a hole, and a hole is sealed in the slip casting, washs the loaded down with trivial details flow of grouting pump, takes the interim hole sealing of liquid of injecting earlier, concentrates the stirring again and concentrates concentrated slip casting, concentrates after the slip casting is accomplished and washs the grouting pump, has saved the time promptly and has reduced workman's intensity of labour again. The hole sealing cost is reduced, and the labor workload of workers is also reduced.
Description
Technical Field
The utility model belongs to the technical field of colliery gas is taken out and is adopted, concretely relates to a child bag formula antiskid hole packer that is used for bottom entry gas to take out and adopts drilling.
Background
After the construction of the gas extraction drill hole of the underground bottom suction roadway, the smooth gas extraction must be carried out immediately by inserting the pipe and sealing the hole, if the holes are unified after the sector of the whole construction drill site is completely formed, the hole of the drill hole formed first is easy to collapse, so that the hole sealing device cannot be inserted smoothly, and the drill hole is easy to scrap. However, the hole packer used for the coal mine underground extraction roadway is generally large in length, if the hole packer is inserted immediately after a single drill hole is formed, and when the hole packer is inserted into an uplink hole upwards in the underground extraction roadway, due to the large dead weight of the hole packer, the hole packer can easily slip off automatically without taking measures, if the hole packer is inserted into the hole packer immediately after the single hole is formed for grouting, a grouting pump needs to be cleaned immediately after each hole is grouted, the workload of workers is increased, the efficiency is low, and the efficiency and the effect of gas extraction and the normal excavation replacement are affected.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide a capsule formula antiskid hole packer that is used for bottom suction tunnel gas to take out and adopts drilling that hole packer is fixed firm, the efficiency of construction is high, with low costs, intensity of labour is little.
In order to solve the technical problem, the utility model adopts the following technical scheme: the tire bag type anti-slip hole packer comprises an extraction pipe, a liquid injection pipe, a grouting pipe, an upper rubber body tire bag and a lower rubber body tire bag, wherein the upper rubber body tire bag and the lower rubber body tire bag are arranged at intervals up and down, the upper rubber body tire bag is coaxially arranged at the lower part of the extraction pipe, the lower rubber body tire bag is coaxially arranged at the upper part of the extraction pipe, the liquid injection pipe and the grouting pipe are all arranged in parallel, the liquid injection pipe penetrates through the lower rubber body tire bag and the upper rubber body tire bag, an upper port of the liquid injection pipe is provided with a plug, liquid outlet holes are formed in the upper rubber body tire bag and the lower rubber body tire bag on the liquid injection pipe, a through hole is formed in the extraction pipe between the upper rubber body tire bag and the lower rubber body tire bag, the grouting pipe is arranged in the extraction pipe and is in contact with the inner wall of the extraction pipe, and the upper end of the grouting pipe bends to penetrate through the through hole and extend out of the extraction pipe.
The external screw thread in slip casting pipe upper end has the set nut with slip casting pipe excircle crimping, and the slip casting pipe lower port is equipped with the slip casting quick connector, is equipped with the slip casting stop valve that is located drainage pipe lower port below on the slip casting pipe.
The lower port of the liquid injection pipe is provided with a liquid injection quick-plugging connector, and the liquid injection pipe is provided with a liquid injection stop valve positioned below the lower port of the extraction pipe.
The structure of going up capsule and lower capsule is the same, goes up the whole cylindric that is of capsule and lower capsule appearance, goes up the center of capsule and lower capsule and offers the poling hole that is used for passing and takes out the drainage pipe, goes up the inside of capsule and lower capsule and is annular cavity, goes up the upper end face of capsule and lower capsule and all is equipped with the poling jiao zui that lies in a straight line down the terminal surface, annotates liquid pipe excircle and poling jiao zui internal seal cooperation.
The lower end of the upper section of the extraction pipe is in butt joint with the upper end of the lower section of the extraction pipe and is connected into a whole through a pipe hoop, and the outer circle of the extraction pipe is in threaded connection with the inner circle of the pipe hoop.
Adopt above-mentioned technical scheme, adopt the utility model discloses a method of carrying out hole sealing construction operation, including following step:
(1) constructing a layer-through drilling hole in the coal seam upwards by using a drilling machine along different angles in the bottom suction roadway;
(2) after drilling and forming holes, inserting a hole packer into the drilled holes;
(3) injecting liquid or gas into the hole packer to fix the drilling device in the drill hole and temporarily seal the hole in the drill hole;
(4) repeating the steps (1), (2) and (3) for a plurality of times on the cross section vertical to the bottom pumping roadway, wherein all the drill holes are positioned on one sector;
(5) and (4) sequentially performing grouting hole sealing operation through a hole sealing device in each drilling hole.
The specific process of the step (3) is as follows: connecting a quick liquid injection connector with a liquid injection pipe of a liquid injection pump, starting the liquid injection pump, injecting clear water pumped by the liquid injection pump into annular cavities inside an upper rubber body bladder and a lower rubber body bladder through the liquid injection pipe, expanding the upper rubber body bladder and the lower rubber body bladder, pressing the outer circles of the upper rubber body bladder and the lower rubber body bladder against the hole walls of drilled holes until the display value of a pressure gauge on the liquid injection pump reaches a preset value P0, closing a liquid injection stop valve on the liquid injection pipe, and stopping liquid injection of the liquid injection pump; at the moment, the hole packer is suspended in the drill hole under the action of the friction force F0 between the upper rubber body bag, the lower rubber body bag and the hole wall of the drill hole and cannot fall off, and the hole wall of the drill hole forms a grouting closed space between the upper rubber body bag and the lower rubber body bag.
The specific process of the step (5) is as follows: stirring hole sealing slurry, connecting a grouting quick connector with a grouting pump, starting the grouting pump, injecting the slurry into a grouting closed space between an upper rubber body tire bag and a lower rubber body tire bag through a grouting pipe by the grouting pump until the slurry is filled in the space between the upper rubber body tire bag and the lower rubber body tire bag and reaches a preset pressure, finally determining to stop grouting according to a display value of a pressure gauge on the grouting pump, closing a grouting stop valve on the grouting pipe, and completing grouting operation.
The utility model discloses well each part has following technological effect:
go up the colloid child bag and down the colloid child bag is a confined rubber storage space, the similar axial tension's of its appearance tire, the terminal surface all sets up the poling jiao zui about the colloid child bag, makes things convenient for the drain pipe to pass and has stronger sealed effect wherein from wherein, annotates the liquid pipe and goes up the port and set up the end cap and seal, takes out and adopts the pipe to connect into a whole with lower colloid child bag with last colloid child bag, goes up and reserves certain slip casting enclosure space between colloid child bag and the lower colloid child bag, because colloid child bag is non-permeable, so the utility model discloses can directly pour into colloid child bag and lower colloid child bag into with liquid (water) in. The outer circles of the upper rubber body tire bag and the lower rubber body tire bag are provided with rough structures, the annular rough structures are embedded into the wall of a drill hole through the extrusion effect between the liquid pressure and the wall of the drill hole, the friction force between the rubber body tire bags and the wall of the drill hole is increased, the inner diameter of a through hole in the center of each rubber body tire bag is slightly smaller than the outer diameter of the extraction pipe, and the rubber body tire bags are tightly attached to the extraction pipe through the elastic force of the rubber body tire bags to play roles of sealing and fixing.
Annotate the liquid pipe and be the tubule that has certain hardness and certain bearing capacity, the pipe diameter is decided according to the particular case, colloid child bag and lower colloid child bag are connected in its effect, and pour into liquid in the colloid child bag and the lower colloid child bag upwards through the liquid outlet that its upper portion set up, and it has certain pressure to keep going up in colloid child bag and the lower colloid child bag, annotate liquid pipe lower port and set up and annotate liquid quick-witted quick-connect plug, the position that is close to the drill hole mouth sets up annotates the liquid stop valve, annotate liquid quick-connect plug convenient and fast and connect the liquid pump, it annotates the liquid stop valve to close on the liquid pipe to annotate when last colloid child bag and lower colloid child bag inside formation predetermined pressure.
The grouting pipe is a thin pipe with certain hardness and certain bearing capacity, the pipe diameter of the grouting pipe is determined according to the grouting flow and grouting pressure required, the upper end of the grouting pipe penetrates through a through hole formed in the extraction pipe after being bent, the grouting pipe is fixed through a positioning nut, a grouting quick connector is connected with a grouting pump during hole sealing, the grouting pump is started to inject grout into a grouting closed space in a drill hole, grouting is stopped when a pressure gauge of the grouting pump reaches a preset value, a grouting stop valve on the grouting pipe is closed, and hole sealing is completed.
The extraction pipe is provided with two sections, one of the extraction pipes is provided with a through hole in advance, the outer circle of each section of the extraction pipe is provided with a colloid tyre bag, and the position of the colloid tyre bag on the extraction pipe is adjusted to adjust that a sufficient grouting closed space is left between the two colloid tyre bags. The whole extraction pipe is long and inconvenient to transport, and two sections of extraction pipes are conveniently connected into a whole on site through pipe hoops.
The utility model provides a hole packer compact structure installs after taking out and adopt the pipe during use. After the drilling construction is finished, the extraction pipe and the hole packer are inserted into the drill hole together, the liquid injection pipe injects a temporary hole-sealing medium into the colloid tyre bag, and the upper colloid tyre bag and the lower colloid tyre bag expand to support the drill hole and are embedded into the wall of the drill hole under the extrusion of the pressure medium and the wall of the drill hole, so that the extraction pipe is not easy to slide downwards.
To sum up, the utility model discloses a hole sealing method has avoided conventional hole sealing to beat a hole, and a hole is sealed in the slip casting, washs the loaded down with trivial details flow of grouting pump, takes the interim hole sealing of liquid of annotating earlier, concentrates the stirring again and concentrates the slip casting concentratedly, concentrates after the slip casting is accomplished and washs the grouting pump, has saved the time promptly and has reduced workman's intensity of labour again. The liquid medium used for temporary hole sealing can be water commonly used underground or other liquid media, and the source is wide.
Drawings
FIG. 1 is a vertical layout of the holes drilled in the present invention;
fig. 2 is a schematic structural outline diagram of the middle hole packer of the utility model;
fig. 3 is a schematic axial sectional structural view of the middle hole packer of the present invention.
The reference numerals are respectively:
1-grouting quick connector, 2-punching rubber nozzle, 3-upper rubber body bag, 4-pipe hoop, 5-extraction pipe external thread, 6-grouting pipe, 7-liquid injection quick connector, 8-extraction pipe, 9-pipe hole, 10-liquid injection pipe, 11-liquid injection stop valve, 12-grouting stop valve, 13-liquid outlet hole, 14-positioning nut, 15-plug, 16-rock stratum, 17-coal bed, 18-bottom extraction roadway and 19-lower rubber body bag.
Detailed Description
As shown in figures 1-3, the utility model discloses a child bag formula antiskid hole packer for bottom suction tunnel gas drainage drilling, including take out the extracting pipe 8, annotate liquid pipe 10, the slip casting pipe 6, go up the colloid child bag 3 and lower colloid child bag 19, go up colloid child bag 3 and lower colloid child bag 19 interval arrangement from top to bottom, go up colloid child bag 3 coaxial line and install the lower part at take out the extracting pipe 8, lower colloid child bag 19 coaxial line is installed the upper portion at take out the extracting pipe 8, annotate liquid pipe 10 and slip casting pipe 6 and all parallel arrangement, annotate liquid pipe 10 and pass colloid child bag 19 and last colloid child bag 3 down, annotate liquid pipe 10 upper end mouth and be equipped with end cap 15, annotate liquid pipe 10 and all be equipped with drain hole 13 in last colloid child bag 3 and lower colloid child bag 19 on the extracting pipe 8, it is equipped with the perforation to take out on the extracting pipe 8 between last colloid child bag 3 and the colloid child bag 19, slip casting pipe 6 sets up in taking out the extracting pipe 8 and contact with the inner wall of extracting pipe 8, the upper end of the grouting pipe 6 is bent to penetrate through the through hole and extend out of the extraction pipe 8.
The external thread of the upper end of the grouting pipe 6 is connected with a positioning nut 14 which is in compression joint with the excircle of the grouting pipe 6, the lower port of the grouting pipe 6 is provided with a grouting quick-connection-peg 1, and the grouting pipe 6 is provided with a grouting stop valve 12 which is positioned below the lower port of the extraction pipe 8.
The lower port of the liquid injection pipe 10 is provided with a liquid injection quick-connection-peg 7, and the liquid injection pipe 10 is provided with a liquid injection stop valve 11 positioned below the lower port of the extraction pipe 8.
The structure of the upper rubber body tire bag 3 is the same as that of the lower rubber body tire bag 19, the overall shapes of the upper rubber body tire bag 3 and the lower rubber body tire bag 19 are cylindrical, the center of the upper rubber body tire bag 3 and the center of the lower rubber body tire bag 19 are provided with a pipe penetrating hole 9 used for penetrating an extraction pipe 8, the inner parts of the upper rubber body tire bag 3 and the lower rubber body tire bag 19 are annular cavities, the upper end face and the lower end face of the upper rubber body tire bag 3 and the lower rubber body tire bag 19 are both provided with pipe penetrating rubber nozzles 2 located on a straight line, and the outer circle of the liquid injection pipe 10 is in sealing fit with the inner circle of the pipe penetrating rubber nozzle 2.
The extraction pipe 8 is provided with an upper section and a lower section, the lower end of the extraction pipe 8 of the upper section is butted with the upper end of the extraction pipe 8 of the lower section and is connected into a whole through the pipe hoop 4, and the outer circle of the extraction pipe 8 is in threaded connection with the inner circle of the pipe hoop 4.
Adopt the utility model discloses a method for carrying out hole sealing construction operation, including following step:
(1) constructing a layer-through drilling hole A in the coal seam upwards by a drilling machine along different angles in the bottom pumping roadway 18;
(2) after the drilling hole A is drilled, inserting a hole packer into the drilling hole A;
(3) injecting liquid or gas into the hole packer to fix the drilling device in the drill hole A and temporarily sealing the drill hole A;
(4) repeating steps (1), (2) and (3) several times on a cross section perpendicular to the draw roadway 18, all the boreholes A, B, C, D, E, F, G lying on one sector;
(5) and (4) sequentially performing grouting hole sealing operation through a hole sealing device in each drilling hole.
The specific process of the step (3) is as follows: connecting a quick liquid injection plug 7 with a liquid injection pipe 10 of a liquid injection pump, starting the liquid injection pump, injecting clear water pumped by the liquid injection pump into annular cavities inside an upper rubber body tyre bag 3 and a lower rubber body tyre bag 19 through the liquid injection pipe 10, expanding the upper rubber body tyre bag 3 and the lower rubber body tyre bag 19, pressing the outer circles of the upper rubber body tyre bag 3 and the lower rubber body tyre bag 19 against the hole walls of drilled holes until the display value of a pressure gauge on the liquid injection pump reaches a preset value P0, closing a liquid injection stop valve 11 on the liquid injection pipe 10, and stopping liquid injection of the liquid injection pump; at the moment, the hole packer is suspended in the drill hole under the action of the friction force F0 between the upper rubber body bag 3, the lower rubber body bag 19 and the hole wall of the drill hole, the hole packer cannot fall off, and the hole wall of the drill hole forms a grouting closed space between the upper rubber body bag 3 and the lower rubber body bag 19.
The specific process of the step (5) is as follows: stirring hole sealing slurry, connecting the grouting quick connector 1 with a grouting pump, starting the grouting pump, injecting the slurry into a grouting closed space between the upper rubber body tyre bag 3 and the lower rubber body tyre bag 19 through the grouting pipe 6 by the grouting pump until the slurry is filled in the space between the upper rubber body tyre bag 3 and the lower rubber body tyre bag 19 and reaches a preset pressure, finally determining to stop grouting according to a display value of a pressure gauge on the grouting pump, and closing the grouting stop valve 12 on the grouting pipe 6 to finish grouting operation.
The foregoing embodiments illustrate the basic trimming principles and features of the present invention, but the above only illustrates the preferred embodiments of the present invention, and is not limited by the embodiments. In the light of the above disclosure, the present invention is not limited to the embodiments described above, but rather can be applied to other embodiments without departing from the scope of the present invention. Therefore, the appended claims should be accorded the full scope of protection and protection to the present invention.
Claims (5)
1. A child bag formula antiskid hole packer that falls for bottom suction tunnel gas drainage drilling, its characterized in that: the pumping pipe, the liquid injection pipe and the grouting pipe are arranged in parallel, the liquid injection pipe penetrates through the lower rubber body tyre bag and the upper rubber body tyre bag, a plug is arranged at the upper end of the liquid injection pipe, liquid outlet holes are formed in the upper rubber body tyre bag and the lower rubber body tyre bag on the liquid injection pipe, a through hole is formed between the upper rubber body tyre bag and the lower rubber body tyre bag on the pumping pipe, the grouting pipe is arranged in the pumping pipe and is in contact with the inner wall of the pumping pipe, and the upper end of the grouting pipe is bent to penetrate through the through hole and extend out of the pumping pipe.
2. The tire bag type anti-slip hole packer for the gas extraction drill hole of the bottom suction roadway according to claim 1, characterized in that: the external screw thread in slip casting pipe upper end has the set nut with slip casting pipe excircle crimping, and the slip casting pipe lower port is equipped with the slip casting quick connector, is equipped with the slip casting stop valve that is located drainage pipe lower port below on the slip casting pipe.
3. The tire bag type anti-slip hole packer for the gas extraction drill hole of the bottom suction roadway according to claim 1 or 2, characterized in that: the lower port of the liquid injection pipe is provided with a liquid injection quick-plugging connector, and the liquid injection pipe is provided with a liquid injection stop valve positioned below the lower port of the extraction pipe.
4. The tire bag type anti-slip hole packer for the gas extraction drill hole of the bottom suction roadway according to claim 1 or 2, characterized in that: the structure of going up capsule and lower capsule is the same, goes up the whole cylindric that is of capsule and lower capsule appearance, goes up the center of capsule and lower capsule and offers the poling hole that is used for passing and takes out the drainage pipe, goes up the inside of capsule and lower capsule and is annular cavity, goes up the upper end face of capsule and lower capsule and all is equipped with the poling jiao zui that lies in a straight line down the terminal surface, annotates liquid pipe excircle and poling jiao zui internal seal cooperation.
5. The tire bag type anti-slip hole packer for the gas extraction drill hole of the bottom suction roadway according to claim 1 or 2, characterized in that: the lower end of the upper section of the extraction pipe is in butt joint with the upper end of the lower section of the extraction pipe and is connected into a whole through a pipe hoop, and the outer circle of the extraction pipe is in threaded connection with the inner circle of the pipe hoop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120457125.2U CN214616450U (en) | 2021-03-03 | 2021-03-03 | Tire bag type anti-slip hole packer for gas extraction drilling of bottom suction roadway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120457125.2U CN214616450U (en) | 2021-03-03 | 2021-03-03 | Tire bag type anti-slip hole packer for gas extraction drilling of bottom suction roadway |
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| CN214616450U true CN214616450U (en) | 2021-11-05 |
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| CN202120457125.2U Active CN214616450U (en) | 2021-03-03 | 2021-03-03 | Tire bag type anti-slip hole packer for gas extraction drilling of bottom suction roadway |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761574A (en) * | 2021-03-03 | 2021-05-07 | 河南理工大学 | Tire bag type anti-slip hole packer for gas extraction drilling of bottom suction roadway |
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2021
- 2021-03-03 CN CN202120457125.2U patent/CN214616450U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761574A (en) * | 2021-03-03 | 2021-05-07 | 河南理工大学 | Tire bag type anti-slip hole packer for gas extraction drilling of bottom suction roadway |
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