CN202215278U - Gas drainage drill hole plugging device - Google Patents
Gas drainage drill hole plugging device Download PDFInfo
- Publication number
- CN202215278U CN202215278U CN2011203028392U CN201120302839U CN202215278U CN 202215278 U CN202215278 U CN 202215278U CN 2011203028392 U CN2011203028392 U CN 2011203028392U CN 201120302839 U CN201120302839 U CN 201120302839U CN 202215278 U CN202215278 U CN 202215278U
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- CN
- China
- Prior art keywords
- pump drainage
- drainage pipe
- pipe
- seal ring
- plugging device
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a gas drainage drill hole plugging device, which comprises a pumping and drainage pipe and a conical wedge pipe or a wedge shaped plate, wherein two expansion gaps are arranged on one end wall face of a pumping and drainage hole where the pumping and drainage pipe is inserted into, are symmetrical along a longitudinal shaft of the pumping and drainage pipe and divide the end portion of the pumping and drainage pipe into two portions. The conical wedge pipe or the wedge shaped plate is used for being inserted into the inner wall at one end of the pumping and drainage hole where the pumping and drainage pipe is inserted into and sliding along the expansion gaps so as to enable the expansion gaps of the pumping and drainage pipe to be expanded out. An elastic seal ring is sleeved in the middle of the pumping and drainage pipe and corresponds to an opening of the pumping and drainage hole. A retainer ring is fixedly arranged on one side of the elastic seal ring and close to the end where the expansion gaps are arranged. A locking member is located on one side of the elastic seal ring away from the expansion gaps and is in abutting-against connection with the elastic seal ring to be sleeved on the pumping and drainage pipe. Compared with the prior art, pushing-and-pulling resistant strength is enlarged, plugging speed is quick, and work efficiency is improved.
Description
Technical field
The utility model relates to coal mine gas extraction technology, relates in particular to a kind of extraction borehole plugging device.
Background technology
Mine gas gas is one of known mine disaster, in order to reduce or eliminate the safety hazard that gas is produced mine, can solve the gas emission in coal mining and the tunneling process through the gas that shifts to an earlier date the extraction coal seam.The extraction of gas is a negative pressure of utilizing plant equipment and pipe special to cause, and the gas that exists in the coal seam or discharge is released, and is transported to ground or other safety place.Traditional mash gas extraction is that pump drainage pipe is inserted in the gas exhaust hole, presses to annotate in the hole with cement mortar or polyamine fat then and carries out shutoff, and this method is time-consuming, effort and production efficiency are low.
The utility model content
The utility model provides a kind of extraction borehole plugging device, effectively solves the existing inefficient defective of gas pumping, saves the working time, increases work efficiency.
The utility model provides a kind of extraction borehole plugging device; Comprise the pump drainage pipe that is used to be plugged in the gas exhaust hole; Wherein, The end wall surface that said pump drainage pipe inserts the pump drainage hole is offered the twice seam that rises, and the said said pump drainage pipe longitudinal axis in seam edge that rises is symmetrical set the end separated into two parts with said pump drainage pipe, and said plugging device also comprises:
Cone wedge pipe or clapboard are plugged in the inwall that said pump drainage pipe inserts pump drainage hole one end;
Elastic seal ring is set in said pump drainage pipe middle part, and aperture, corresponding said pump drainage hole is provided with;
Back-up ring is fixedly installed on a side of said elastic seal ring, near the said end of offering the seam that rises;
Locking member is positioned at the side of said elastic seal ring away from the said seam that rises, and conflicting to join with said elastic seal ring is set on the said pump drainage pipe, is used to lock vertically moving of the said elastic seal ring of qualification.
Aforesaid extraction borehole plugging device wherein, preferably, when said plugging device comprises clapboard, also comprises the positioning pipe with said clapboard clamping.
Aforesaid extraction borehole plugging device; Wherein, Preferably; Said cone wedge pipe or clapboard have clasp joint portion respectively, and said plugging device also comprises the pull bar that is used for being plugged in said pump drainage pipe, and said pull bar is provided with and is used for the hook that matches with the clasp joint portion of said cone wedge pipe or clapboard near a rise end of seam of pump drainage pipe.
Aforesaid extraction borehole plugging device, wherein, preferably, the said seam inwall that rises is formed with serration, and said projection is used to prevent said cone wedge pipe or clapboard back skating.
Aforesaid extraction borehole plugging device, wherein, preferably, said locking member comprises lock tube and lock core, said lock tube is a tubular, is set on the said pump drainage pipe near said elastic seal ring; Said lock core is the awl tubular, and miner diameter end is replaced mutually with said lock tube and is set on the said pump drainage pipe; The external diameter of said lock core miner diameter end is less than the internal diameter of said lock tube.
The extraction borehole plugging device that the utility model provides is fixed on the pump drainage pipe in the pump drainage hole through the spreading of the seam that rises; Compare with the mode of utilizing cement mortar or polyurethane to press notes to carry out shutoff in the prior art; Anti-push-and-pull intensity increases, and the speed of shutoff simultaneously is fast, has improved operating efficiency; Elastic seal ring can change with the out-of-shape in aperture, and shutoff is tighter.
Description of drawings
The structural representation of the extraction borehole plugging device that Fig. 1 provides for the utility model embodiment.
Pump drainage pipe partial structurtes sketch map in the extraction borehole plugging device that Fig. 2 provides for the utility model embodiment.
Clapboard and positioning pipe fit structure sketch map in the extraction borehole plugging device that Fig. 3 provides for the utility model embodiment.
Cone wedge tubular structure sketch map in the extraction borehole plugging device that Fig. 4 provides for the utility model embodiment.
Clapboard structural representation in the extraction borehole plugging device that Fig. 5 provides for the utility model embodiment.
Tiebar structure sketch map in the extraction borehole plugging device that Fig. 6 provides for the utility model embodiment.
The extraction borehole plugging device that Fig. 7 provides for the utility model embodiment install and use sketch map.
The schematic flow sheet of the extraction borehole method for blocking that Fig. 8 provides for the utility model embodiment.
Reference numeral:
1-pump drainage pipe; The 2-seam that rises; The 3-clapboard;
4-cone wedge pipe; 5-clasp joint portion; The 6-elastic seal ring;
The 7-back-up ring; The 8-pad; The 9-locking member;
The 91-lock tube; The 92-lock core; The 10-pull bar;
The 101-hook; The 102-external screw thread; The 11-sleeve;
The 12-fastening nut; The 13-positioning pipe.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model clearer; To combine the accompanying drawing among the utility model embodiment below; Technical scheme among the utility model embodiment is carried out clear, intactly description; Obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Pump drainage pipe partial structurtes sketch map in the extraction borehole plugging device that the structural representation of the extraction borehole plugging device that Fig. 1 provides for the utility model embodiment, Fig. 2 provide for the utility model embodiment, the utility model embodiment provides a kind of extraction borehole plugging device; As shown in Figure 1, comprise the pump drainage pipe 1 that is used to be plugged in the gas exhaust hole, wherein; The twice of offering the end wall that this pump drainage pipe 1 inserts pump drainage hole one end rise and stitch 2; As shown in Figure 2, be symmetrical set along the longitudinal axis of pump drainage pipe 1, with the end separated into two parts of pump drainage pipe 1; Above-mentioned plugging device also comprises cone wedge pipe or clapboard, elastic seal ring 6, back-up ring 7 and locking member 9; Cone wedge pipe or clapboard are plugged in the inwall that pump drainage pipe 1 inserts pump drainage hole one end, slide along the seam 2 that rises, so that seam 2 spreadings that rise of pump drainage pipe 1; When carrying out borehole sealing work, the end spreading of pump drainage pipe 1 can tighten with the rock wall in colliery mutually, realizes pump drainage pipe 1 fixing in the pump drainage hole; Elastic seal ring 6 is set in pump drainage pipe 1 middle part; Aperture, corresponding pump drainage hole is provided with; When along the longitudinal axis of pump drainage pipe 1 during to elastic seal ring 6 application of forces, the irregular variation with aperture, gas exhaust hole after elastic seal ring 6 extrusions changes, thereby makes shutoff tighter; Back-up ring 7 is fixedly installed on a side of elastic seal ring 6, near the end of offering the seam 2 that rises, when elastic seal ring 6 application of forces are pushed, can replace elastic seal ring 6, so that elastic seal ring 6 is applied opposition; Locking member 9 is positioned at the side of elastic seal ring 6 away from the seam 2 that rises; Conflicting to join with elastic seal ring 6 is set on the pump drainage pipe 1, is used to lock limit vertically moving of elastic seal ring 6, in practical application; Also can be as shown in Figure 1; Between elastic seal ring 6 and locking member 9, pad 8 is set, does not join, to guarantee stress equalization and the two is directly replaced.
Clapboard and positioning pipe fit structure sketch map in the extraction borehole plugging device that Fig. 3 provides for the utility model embodiment; When adopting clapboard 3, plugging device rises by the plumber when doing; In order to limit the lateral displacement of clapboard 3; Clapboard 3 can be provided with positioning pipe 13 and cooperate clamping with clapboard 3 from seam 2 the horizontal disengaging of rising, and positioning pipe 13 defines clapboard 3 horizontal mobile when pump drainage pipe 1 longitudinal axis slides.
Clapboard structural representation in the extraction borehole plugging device that cone wedge tubular structure sketch map in the extraction borehole plugging device that Fig. 4 provides for the utility model embodiment, Fig. 5 provide for the utility model embodiment, further; Cone wedge pipe 4 or clapboard 3 can have clasp joint portion 5 respectively, and like Fig. 4 and shown in Figure 5, plugging device also comprises the pull bar that is used for being plugged in pump drainage pipe 1; Tiebar structure sketch map in the extraction borehole plugging device that Fig. 6 provides for the utility model embodiment; As shown in Figure 6, pull bar 10 is provided with hook 101 near pump drainage pipe 1 seam 2 the end that rises, and hook 101 is used for matching with the clasp joint portion 5 of cone wedge pipe 4 or clapboard 3; To drive the y direction slip of cone wedge pipe 4 or clapboard 3 along pump drainage pipe 1; After elastic seal ring 6 compresses the shutoff aperture, can rotating tension bar 10, hook 101 and clasp joint portion 5 are broken away from; Take out pull bar 10, promptly can carry out the extraction work of gas.
Preferably, seam 2 inwalls that rise are formed with serration, are used to prevent cone wedge pipe 4 or clapboard 3 back skatings, improve the reliability of the pipe process that rises.
The extraction borehole plugging device that Fig. 7 provides for the utility model embodiment install and use sketch map, further, above-mentioned locking member 9 comprises lock tube 91 and lock core 92, lock tube 91 is a tubular, is set on the pump drainage pipe 1 near elastic seal ring 6; Lock core 92 is the awl tubular, and miner diameter end is replaced mutually with lock tube 91 and is set on the pump drainage pipe 1; The external diameter of lock core 92 path ends specifically can be with reference to Fig. 1 and shown in Figure 7, after to locking member 9 applied thrusts less than the internal diameter of lock tube 91; Push elastic seal ring 6; After crimp takes place elastic seal ring 6, produce reaction force acts on lock tube 91, under in the reaction force of thrust and elastic seal ring 6, acting on; The miner diameter end of lock core 92 is squeezed in the inwall of lock tube 91; Micro-strain takes place in its miner diameter end in the mutual extrusion process of the two, lock core 92 is fastened on the outer wall of pump drainage pipe 1, thereby has realized that locking limits the purpose that elastic seal ring 6 vertically moves.
In the present embodiment, elastic seal ring 6 is applied extruding force can be realized in the following manner: sheathed sleeve 11 on pump drainage pipe 1, please with reference to Fig. 7; Sleeve 11 is replaced with locking member 9 mutually, external screw thread 102 is set, sheathed fastening nut 12 on the external screw thread 102 away from an end of linking up with 101 at pull bar 10; When turning fastening nut 12 with spanner; Fastening nut 12 is replaced sleeve 11, and sleeve 11 reaches locking member 9 with power, thus extruding elastic seal ring 6; Pad also can be set up in sleeve 11 outsides, and the power that fastening nut 12 is transmitted is more balanced.
The extraction borehole plugging device that the utility model embodiment provides is fixed on the pump drainage pipe in the pump drainage hole through the spreading of the seam that rises; Compare with the mode of utilizing cement mortar or polyurethane to press notes to carry out shutoff in the prior art; Anti-push-and-pull intensity increases, and the speed of shutoff simultaneously is fast, has improved operating efficiency; Elastic seal ring can change with the out-of-shape in aperture, and shutoff is tighter.
The schematic flow sheet of the extraction borehole method for blocking that Fig. 8 provides for the utility model embodiment, the utility model embodiment also provides a kind of extraction borehole method for blocking, please be with simultaneously referring to figs. 1 through Fig. 7, comprising following steps:
In above-mentioned steps 140, axially can specifically comprise to aperture direction pulling cone wedge pipe 4 or clapboard 3 along pump drainage pipe 1:
Further, at seam 2 spreadings that rise of pump drainage pipe 1, after pump drainage pipe 1 is clamped in the pump drainage hole; Also comprise the steps: rotating rod 10, hook 101 and clasp joint portion 5 are broken away from, from pump drainage pipe 1, take out pull bar 10; So far, promptly can begin to carry out the extraction work of gas.
What should explain at last is: above embodiment is only in order to the technical scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to previous embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of each embodiment technical scheme of essence disengaging the utility model of relevant art scheme.
Claims (5)
1. extraction borehole plugging device; Comprise the pump drainage pipe that is used to be plugged in the gas exhaust hole; It is characterized in that; The end wall surface that said pump drainage pipe inserts the pump drainage hole is offered the twice seam that rises, and the said said pump drainage pipe longitudinal axis in seam edge that rises is symmetrical set the end separated into two parts with said pump drainage pipe, and said plugging device also comprises:
Cone wedge pipe or clapboard are plugged in the inwall that said pump drainage pipe inserts pump drainage hole one end;
Elastic seal ring is set in said pump drainage pipe middle part, and aperture, corresponding said pump drainage hole is provided with;
Back-up ring is fixedly installed on a side of said elastic seal ring, near the said end of offering the seam that rises;
Locking member is positioned at the side of said elastic seal ring away from the said seam that rises, and conflicting to join with said elastic seal ring is set on the said pump drainage pipe, is used to lock vertically moving of the said elastic seal ring of qualification.
2. extraction borehole plugging device according to claim 1 is characterized in that, when said plugging device comprises clapboard, also comprises the positioning pipe with said clapboard clamping.
3. extraction borehole plugging device according to claim 1 and 2; It is characterized in that; Said cone wedge pipe or clapboard have clasp joint portion respectively; Said plugging device also comprises the pull bar that is used for being plugged in said pump drainage pipe, and said pull bar is provided with and is used for the hook that matches with the clasp joint portion of said cone wedge pipe or clapboard near a rise end of seam of pump drainage pipe.
4. extraction borehole plugging device according to claim 1 and 2 is characterized in that, the said seam inwall that rises is formed with serration, and said projection is used to prevent said cone wedge pipe or clapboard back skating.
5. extraction borehole plugging device according to claim 1 and 2 is characterized in that said locking member comprises lock tube and lock core, and said lock tube is a tubular, is set on the said pump drainage pipe near said elastic seal ring; Said lock core is the awl tubular, and miner diameter end is replaced mutually with said lock tube and is set on the said pump drainage pipe; The external diameter of said lock core miner diameter end is less than the internal diameter of said lock tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203028392U CN202215278U (en) | 2011-08-19 | 2011-08-19 | Gas drainage drill hole plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203028392U CN202215278U (en) | 2011-08-19 | 2011-08-19 | Gas drainage drill hole plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202215278U true CN202215278U (en) | 2012-05-09 |
Family
ID=46014538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203028392U Withdrawn - After Issue CN202215278U (en) | 2011-08-19 | 2011-08-19 | Gas drainage drill hole plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202215278U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767346A (en) * | 2012-06-20 | 2012-11-07 | 太原理工大学 | Instant hole sealing device |
| CN102953749A (en) * | 2011-08-19 | 2013-03-06 | 淮南矿业(集团)有限责任公司 | Pumping drill hole plugging device and pumping drill hole plugging method |
| CN103912238A (en) * | 2013-01-08 | 2014-07-09 | 李宝富 | Passive up hole grouting hole sealing and check plug and grouting hole sealing method |
-
2011
- 2011-08-19 CN CN2011203028392U patent/CN202215278U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953749A (en) * | 2011-08-19 | 2013-03-06 | 淮南矿业(集团)有限责任公司 | Pumping drill hole plugging device and pumping drill hole plugging method |
| CN102953749B (en) * | 2011-08-19 | 2015-06-03 | 淮南矿业(集团)有限责任公司 | Pumping drill hole plugging device and pumping drill hole plugging method |
| CN102767346A (en) * | 2012-06-20 | 2012-11-07 | 太原理工大学 | Instant hole sealing device |
| CN102767346B (en) * | 2012-06-20 | 2014-07-09 | 太原理工大学 | Instant hole sealing device |
| CN103912238A (en) * | 2013-01-08 | 2014-07-09 | 李宝富 | Passive up hole grouting hole sealing and check plug and grouting hole sealing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ViewSonic energy (Fukang) Coal Industry Co Ltd Assignor: National Engineering Research Center for Gas Controlling of Pingan Mine Contract record no.: 2013990000576 Denomination of utility model: Drainage borehole plugging device and method Granted publication date: 20120509 License type: Common License Record date: 20130911 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120509 Effective date of abandoning: 20150603 |
|
| RGAV | Abandon patent right to avoid regrant |