CN210509106U - Mine gas drainage hole packer - Google Patents
Mine gas drainage hole packer Download PDFInfo
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- CN210509106U CN210509106U CN201920353799.0U CN201920353799U CN210509106U CN 210509106 U CN210509106 U CN 210509106U CN 201920353799 U CN201920353799 U CN 201920353799U CN 210509106 U CN210509106 U CN 210509106U
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Abstract
The utility model discloses a mine gas drainage hole packer which can expand a fixed sleeve to the outside by rotating a main body cylinder, further plug a drill hole, has simple structure, is convenient and practical, and can effectively improve the plugging effect of the gas drainage drill hole, and is characterized in that the main body cylinder is provided with a broken groove, a guide cylinder is arranged in the broken groove on the main body cylinder, and two ends of the guide cylinder are respectively connected with the main body cylinder, the outer diameter of the guide cylinder is gradually reduced from the middle to two ends, a pressing plate is arranged on one end of the main body cylinder, an end cover is arranged on the other end of the main body cylinder, the end cover can be disassembled, the fixed sleeve is sleeved on the main body cylinder, the inner wall of the fixed sleeve is provided with an annular groove and corresponds to the guide cylinder, a gap is arranged between the inner wall of the fixed sleeve and the outer wall of the main body cylinder, the fixed sleeve is of a double-layer structure, filling rubber, and is connected with one end of the fixing sleeve.
Description
Technical Field
The utility model relates to a mine gas drainage hole packer relates to a mine and uses in the pit, takes out the hole packer that carries out the hole sealing to gas drainage drilling, belongs to the mine equipment field. In particular to a hole packer which expands a fixed sleeve outwards by rotating a main body cylinder and further plugs a drilled hole.
Background
At present, in the field of coal mines, coal mine gas extraction is frequently required to be carried out by drilling holes in coal seams and gas gathering areas to prevent safety accidents such as gas explosion, gas outburst and the like, when extraction is carried out, a hole sealing device is required to be installed on the drilled holes, the sealing performance of installation of the hole sealing device has important influence on preventing gas leakage and improving extraction concentration in the extraction process, the existing commonly-used hole sealing device is screwed into the drilled holes through threads, the evenness in the drilled holes is poor, and the leakage problem is easy to occur in a threaded connection and fixing mode, the prior device publication No. CN205314955U discloses a hole sealing device for improving the gas extraction concentration, which comprises a gas sealing shell, a gas extraction pipe is arranged at the central position of the gas sealing shell, a gas extraction head is arranged at the upper end of the gas extraction pipe and fixedly welded on the gas sealing shell, and a gas extraction valve is arranged at the lower end of the gas extraction pipe, the bottom of gas hole sealing casing is provided with the atmospheric pressure punching press pipe, be provided with hole sealing rubber atmospheric pressure detection table on the atmospheric pressure punching press pipe, and the bottom of atmospheric pressure punching press pipe is provided with the air pressure valve, when adopting the device to carry out the hole sealing, the atmospheric pressure that provides through gas makes hole sealing rubber inflation stop up drilling, when the device was put into downthehole, because of downthehole surface unevenness, there was certain clearance between device and the pore wall, gas passed through the clearance and discharges, makes downthehole pressure not enough, and then influences the inflation of wind accuse rubber, influences the hole sealing effect, the easy scheduling problem that appears leaking, the result of use is not good.
Disclosure of Invention
In order to improve the condition, the utility model relates to a mine gas drainage hole packer provides one kind and makes fixed cover expand to the outside through a rotatory main part section of thick bamboo, and then carries out the hole packer of shutoff to the drilling. The plugging effect on the gas extraction drill hole can be effectively improved.
The utility model relates to a mine gas drainage hole packer realizes like this: the utility model relates to a mine gas drainage hole packer, which comprises a fixing ring, a main body cylinder, a guide cylinder, a fixing plate, a limiting ring, an end cover, a thread bush, a snap ring, filling rubber, a fixed sleeve, a push plate and a pressing plate, wherein the main body cylinder is provided with a broken groove, the guide cylinder is arranged in the broken groove on the main body cylinder, and two ends of the guide cylinder are respectively connected with the main body cylinder, the outer diameter of the guide cylinder is gradually reduced from the middle to two ends, the pressing plate is arranged on one end of the main body cylinder, the end cover is arranged on the other end of the main body cylinder, the end cover can be disassembled, the fixed sleeve is sleeved on the main body cylinder, the inner wall of the fixed sleeve is provided with an annular groove and corresponds to the guide cylinder, a gap is arranged between the inner wall of the fixed sleeve and the outer wall of the main body cylinder, the fixed sleeve is, open push pedal one side has the rotation groove, it is the loop configuration to rotate the groove, and solid fixed ring arranges in on the clamp plate, and is located and rotates the inslot, it has the ring channel to open on the outer wall of main part section of thick bamboo one end, and corresponding with the push pedal, and on the main part section of thick bamboo was arranged in to the thread bush cover, and was connected with the fixed cover other end, thread bush and main part section of thick bamboo screw-thread fit are arranged in to the fixed plate and are sheathe in, the fixed plate is the annular platelike structure, and on the fixed plate was arranged in to the snap ring cover, the external diameter of snap ring increases gradually from one end to the other end, and.
When the gas extraction drill hole is used for sealing a hole, the fixing sleeve and the pressing plate are firstly placed in the drill hole, the clamping ring is arranged in the drill hole, the limiting ring is clamped outside the hole, the threaded sleeve is fixed and fixed, then the end cover is rotated, the end cover drives the main body cylinder to rotate, the main body cylinder drives the pressing plate and the guide cylinder to rotate, the pressing plate drives the fixing ring to rotate in the rotating groove on the pushing plate, the main body cylinder is in threaded fit with the threaded sleeve, the pressing plate drives the pressing plate to move towards the end cover, the pushing plate drives the fixing sleeve to extrude towards the end cover, the fixing sleeve is extruded and expanded, the guide cylinder guides the fixing sleeve, the fixing sleeve expands outwards along the outer wall of the guide cylinder, the outer wall of the fixing sleeve is attached to the hole wall of the drill hole, the drill hole is sealed, when gas extraction is needed, the end cover is taken away, then the external extraction, the purpose of sealing the gas extraction drill hole when the gas extraction drill hole is used under a mine is achieved.
Has the beneficial effects.
The structure is simple, and the device is convenient and practical.
Secondly, the price is low, and the popularization is easy.
And thirdly, the internal ash discharging effect of the ash hopper can be effectively improved.
Drawings
Fig. 1 is a schematic structural view of the utility model relates to a mine gas drainage hole packer.
Fig. 2 is a three-dimensional structure diagram of the guiding cylinder of the hole packer for mine gas drainage.
In the attached drawings
Wherein the parts are: the device comprises a fixing ring (1), a main body cylinder (2), a guide cylinder (3), a fixing plate (4), a limiting ring (5), an end cover (6), a threaded sleeve (7), a clamping ring (8), filling rubber (9), a fixing sleeve (10), a push plate (11) and a pressing plate (12).
The specific implementation mode is as follows:
the utility model relates to a mine gas drainage hole packer which is realized by a fixing ring (1), a main body cylinder (2), a guide cylinder (3), a fixing plate (4), a limiting ring (5), an end cover (6), a thread bush (7), a snap ring (8), filling rubber (9), a fixing sleeve (10), a push plate (11) and a pressing plate (12), wherein the main body cylinder (2) is provided with a broken groove, the guide cylinder (3) is arranged in the broken groove on the main body cylinder (2), and two ends of the guide cylinder are respectively connected with the main body cylinder (2), the outer diameter of the guide cylinder (3) is gradually reduced from the middle to two ends, the pressing plate (12) is arranged on one end of the main body cylinder (2), the end cover (6) is arranged on the other end of the main body cylinder (2), the end cover (6) can be disassembled, the fixing sleeve (10) is arranged on the main body cylinder (2), the inner wall of the fixing sleeve (10) is provided with, and corresponding to the guide cylinder (3), a gap is arranged between the inner wall of the fixed sleeve (10) and the outer wall of the main body cylinder (2), the fixed sleeve (10) is of a double-layer structure, filling rubber (9) is arranged between the double-layer wall, the push plate (11) is arranged between one end of the press plate (12) and one end of the fixed sleeve (10) and is connected with one end of the fixed sleeve (10), one side of the push plate (11) is provided with a rotating groove which is of an annular structure, the fixed ring (1) is arranged on the press plate (12) and is positioned in the rotating groove, the outer wall of one end of the main body cylinder (2) is provided with an annular groove which is corresponding to the push plate (11), the thread sleeve (7) is sleeved on the main body cylinder (2) and is connected with the other end of the fixed sleeve (10), the thread sleeve (7) is in thread fit with the main body cylinder (2), the fixed plate (4) is, the fixed plate (4) is of an annular plate-shaped structure, the clamping ring (8) is sleeved on the fixed plate (4), the outer diameter of the clamping ring (8) is gradually increased from one end to the other end, and the limiting ring (5) is sleeved on the fixed plate (4) and is connected with the other end of the clamping ring (8).
When the hole sealing device is used, when a gas extraction drill hole is sealed, firstly, a fixing sleeve (10) and a pressing plate (12) are placed in the drill hole, a clamping ring (8) is arranged in the drill hole, a limiting ring (5) is clamped on the outer side of the hole, a threaded sleeve (7) is fixed, then an end cover (6) is rotated, the end cover (6) drives a main body cylinder (2) to rotate, the main body cylinder (2) drives the pressing plate (12) and a guide cylinder (3) to rotate, the pressing plate (12) drives a fixing ring (1) to rotate in a rotating groove on a pushing plate (11), the main body cylinder (2) and the threaded sleeve (7) are in threaded fit, the main body cylinder (2) further drives the pressing plate (12) to move towards the end cover (6), the pressing plate (12) drives the pushing plate (11) to extrude the fixing sleeve (10) towards the end cover (6), the fixing sleeve (10) is extruded and expanded, the guide cylinder (3) guides the fixing sleeve (10) outwards along, the outer wall of the fixed sleeve (10) is attached to the wall of the drill hole to plug the drill hole, when gas extraction is needed, the end cover (6) is taken away, then an external extraction pipeline is connected with the other end of the main body cylinder (2), and then the gas extraction can be carried out;
the outer diameter of the guide cylinder (3) is gradually reduced from the middle to two ends, so that when the fixed sleeve (10) is extruded and expanded, the fixed sleeve (10) can be guided to expand outwards along the outer wall of the fixed sleeve (10);
a gap is arranged between the inner wall of the fixed sleeve (10) and the outer wall of the main body cylinder (2), so that the main body cylinder (2) can be prevented from rubbing with the fixed sleeve (10) in the rotating process;
the diameter of the clamping ring (8) is gradually increased from one end to the other end, so that the clamping ring (8) and the hole wall of the drilled hole can be gradually attached tightly, and the fixing effect on the limiting ring (5) is improved;
the purpose of sealing the gas extraction drill hole when the gas extraction drill hole is used under a mine is achieved.
Claims (5)
1. A mine gas drainage hole packer is characterized in that: the rubber packing device is composed of a fixing ring, a main body cylinder, a guide cylinder, a fixing plate, a limiting ring, an end cover, a thread sleeve, a clamping ring, packing rubber, a fixing sleeve, a push plate and a pressing plate, wherein a broken groove is formed in the main body cylinder, the guide cylinder is arranged in the broken groove in the main body cylinder, two ends of the guide cylinder are respectively connected with the main body cylinder, the pressing plate is arranged at one end of the main body cylinder, the end cover is arranged at the other end of the main body cylinder, the fixing sleeve is arranged on the main body cylinder, an annular groove is formed in the inner wall of the fixing sleeve and corresponds to the guide cylinder, the fixing sleeve is of a double-layer structure, the packing rubber is arranged between the double-layer wall, the push plate is arranged between the pressing plate and one end of the fixing sleeve and is connected with one end of the fixing sleeve, a rotating groove is formed in one side of, the screw thread cover is arranged on the main body cylinder and is connected with the other end of the fixed sleeve, the screw thread cover is in screw thread fit with the main body cylinder, the fixed plate is arranged on the screw thread cover and is connected with the other end of the fixed sleeve, the snap ring is sleeved on the fixed plate, and the limiting ring is sleeved on the fixed plate and is connected with the other end of the snap ring.
2. The mine gas drainage hole packer of claim 1, wherein the outside diameter of the guide cylinder gradually decreases from the middle to the ends.
3. The mine gas drainage hole packer of claim 1, wherein a gap is provided between the inner wall of the retaining sleeve and the outer wall of the main body barrel.
4. The mine gas drainage hole packer of claim 1, wherein the retaining plate is of annular plate-like construction.
5. The mine gas drainage hole packer of claim 1, wherein the outer diameter of the snap ring gradually increases from one end to the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920353799.0U CN210509106U (en) | 2019-03-20 | 2019-03-20 | Mine gas drainage hole packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920353799.0U CN210509106U (en) | 2019-03-20 | 2019-03-20 | Mine gas drainage hole packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210509106U true CN210509106U (en) | 2020-05-12 |
Family
ID=70543325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920353799.0U Expired - Fee Related CN210509106U (en) | 2019-03-20 | 2019-03-20 | Mine gas drainage hole packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210509106U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780333A (en) * | 2021-01-04 | 2021-05-11 | 山东安益矿用设备股份有限公司 | Coal mine working face gas detection is with adopting device |
-
2019
- 2019-03-20 CN CN201920353799.0U patent/CN210509106U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780333A (en) * | 2021-01-04 | 2021-05-11 | 山东安益矿用设备股份有限公司 | Coal mine working face gas detection is with adopting device |
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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: 20200512 Termination date: 20210320 |