CN106894779A - For the current valve of underground coal mine leting speeper drilling - Google Patents
For the current valve of underground coal mine leting speeper drilling Download PDFInfo
- Publication number
- CN106894779A CN106894779A CN201710138734.XA CN201710138734A CN106894779A CN 106894779 A CN106894779 A CN 106894779A CN 201710138734 A CN201710138734 A CN 201710138734A CN 106894779 A CN106894779 A CN 106894779A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- drilling
- filler block
- guide ring
- hole
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
Abstract
The invention discloses a kind of current valve for underground coal mine leting speeper drilling, including filler block, the connecting rod of fixed filler block, described filler block is tapered, and the size of taper is corresponding to drilling rod pin end inner void；The center of the bottom surface of taper is provided with connecting hole, and connecting hole is connected with one end of connecting rod, and connecting rod is provided with guide ring, and guide ring is socketed in connecting rod, and the diameter of guide ring is corresponding to drilling rod internal diameter, the diameter of the diameter less than guide ring of the bottom surface of taper.By setting filler block, filler block can block drilling rod pin thread one end to the present invention after being rushed on bottom hole current, play a part of to block water；When slush pump toward feed water in hole when, be rushed out from pin thread one end, it is ensured that drilling can be continued；Connecting rod fixes filler block, and also pin thread one end preferably matches closing or opens to make filler block；Guide ring in connecting rod, it is ensured that when connecting rod is moved, water-stopping end smoothly can enter in drilling rod pin end hole, effectively block water.
Description
Technical field
The present invention relates to drilling rig, specifically a kind of current valve for underground coal mine leting speeper drilling.
Background technology
During the leting speeper drilling construction of underground, when hole drill of facing upward enters, it is necessary to cut off the water plus drilling rod after often creeping into 1 meter, then
Secondary feedwater, drill bit is flowed through from drilling rod, then could continue drilling after returning to aperture from bottom hole；But as drilling is increasingly deeper, because following
The route that ring water is flowed through constantly is lengthened, feed water, return water required for time can be more and more long, increase to several minutes from the several seconds,
Restriction rate of penetration.Additionally, either going up, uphole is still lower to prick hole, after bottom hole water outlet, flowed into drilling rod from drill bit, Ran Houcong
Last root drilling rod eye sprays, influence operation.As bottom hole goes out water under high pressure, Drilling Water will carry finger stone rapid fire high from drilling rod
Go out, not only result in casualty accident, it is also possible to the generation of floods accident can be caused because drilling operation nearby cannot be arrived.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of current valve for underground coal mine leting speeper drilling, it is ensured that
Current can then avoid the generation of above damage only toward bottom hole direction one-way flow in drilling rod, improve operating efficiency and peace
Quan Xing.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that：
A kind of current valve for underground coal mine leting speeper drilling, including filler block, the connecting rod of fixed filler block, described stops
Water plug is tapered, and the size of taper is corresponding to drilling rod pin end inner void；The center of the bottom surface of taper is provided with connecting hole, connection
Hole is connected with one end of connecting rod, and connecting rod is provided with guide ring, and guide ring is socketed in connecting rod, diameter and the brill of guide ring
Bar internal diameter is corresponding, the diameter of the diameter less than guide ring of the bottom surface of taper.
By setting filler block, filler block can block drilling rod pin thread one end to the present invention after being rushed on bottom hole current, play resistance
The effect of water；When slush pump toward feed water in hole when, be rushed out from pin thread one end, it is ensured that drilling can be continued；Connecting rod is fixed and stopped
Water plug, also pin thread one end preferably matches closing or opens to make filler block；Guide ring in connecting rod, it is ensured that connecting rod is moved
When, water-stopping end smoothly can enter in drilling rod pin end hole, effectively block water.
Using the present invention of above-mentioned technical proposal, it is compared with prior art, the characteristics of its protrusion：
Simple structure, the good stability of work, it is ensured that current are only toward bottom hole direction one-way flow in drilling rod, it is to avoid with right
The generation of the damage of people or other devices, improves operating efficiency and security.
Further optimal technical scheme is as follows：
Described guide ring is 2, is separately positioned on the two ends of connecting rod.Two guide rings, have in the two ends of connecting rod respectively,
The centralized positioning effect to connecting rod can be played, the quantity of guide ring can be reduced again, it is cost-effective, while improving connecting rod
The flexibility of motion.
Described guide ring is aluminium ring.Aluminium is firmer, and density is smaller, lighter weight, is easy to reduce total matter of the present apparatus
Amount, improves mobile flexible bamboo.
Described filler block is rubber stopper, and filler block is connected by connecting hole with the threaded one end of connecting rod.By screw thread
Connection, the stability that connecting rod is connected with filler block is stronger.
The length of described connecting rod is the 1/4~1/2 of run of steel.The setting of the above-mentioned length of connecting rod, Ke Yigeng
Centralized positioning is carried out to filler block well.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is use state of the present invention with reference to figure；
Description of reference numerals：1- filler blocks；2- guide rings；3- connecting rods；4- drilling rod pin ends；5- drilling rod box ends.
Specific embodiment
With reference to embodiment, the present invention is further illustrated.
Referring to Fig. 1, Fig. 2, a kind of current valve for underground coal mine leting speeper drilling, by filler block 1, fixes filler block 1
Connecting rod 3 constitute；Filler block 1 is tapered, and the size of taper is corresponding to the inner void of drilling rod pin end 4；The bottom surface of taper
Center is provided with connecting hole, and connecting hole is connected with one end of connecting rod 3, and connecting rod 3 is provided with guide ring 2, the company of being socketed in of guide ring 2
On extension bar 3, the diameter of guide ring 2 is corresponding to drilling rod internal diameter, the diameter of the diameter less than guide ring 2 of the bottom surface of taper.
Filler block 1, from light-duty but have the material of some strength, for preventing water from being sprayed from drilling rod intraocular.With a length of
100mm；As a example by internal diameter is for the drilling rod of 35mm, using being only 16mm or so with the internal diameter of polish drill rod pin end 4, and box end and in
Between part internal diameter up to 35mm the characteristics of, make a conical plug, its external diameter be less than 35mm, it is ensured that can the front and rear work in polish drill rod
It is dynamic.Its role is to drilling rod pin thread one end can be blocked after being rushed on bottom hole current, play a part of to block water；When slush pump is toward in hole
During feedwater, it is rushed out from pin thread one end, it is ensured that drilling can be continued.
Guide ring 2, it is desirable to which filler block 1 is concentric with drilling rod all the time in drilling rod, it is ensured that being moved rearwards by rear tapered end can smoothly enter
Enter in the hole of drilling rod pin end 4, effectively block water.Selection has the circular rings of some strength, but the requirement of its external diameter than the external diameter of filler block 1
It is slightly larger but less than drilling rod internal diameter, can the front and rear freely activity in drilling rod, but must be concentric with filler block 1.
Connecting rod 3, it is desirable to which filler block 1 has certain stability in drilling rod, can increase the intensity and stabilization of filler block 1
Property, and it is directed to ring 2 and filler block 1 is connected as a single entity.Thin iron of the selection diameter in below 2mm, it is ensured that existing some strength,
Can play a part of to be directed to ring 2 again and filler block 1 is connected.
Filler block 1, uses ball to wear into external diameter for the taper of 23mm is used, and connecting hole, connecting hole and company are drawn out in center
Extension bar 3 is provided with screw thread；Using a diameter of 2mm, length is the iron of 50mm as connecting rod 3, and screw thread is extracted in one end, is screwed in
The screw thread intraocular of filler block 1；Using external diameter 24mm, the aluminum annulus of internal diameter 22mm is bad as being oriented to, and is respectively welded at connecting rod 3
On, and ensure that connecting rod 3 passes through the center of guide ring 2.
Guide ring 2 is aluminium ring.Aluminium is firmer, and density is smaller, lighter weight, is easy to reduce the gross mass of the present apparatus, carries
The mobile flexible bamboo of height.Guide ring 2 is 2, is separately positioned on the two ends of connecting rod 3.Two guide rings 2, have in connection respectively
The two ends of bar 3, you can play the centralized positioning effect to connecting rod 3, the quantity of guide ring 2 can be reduced again, it is cost-effective, together
The flexibility of the motion of Shi Tigao connecting rods 3.The length of connecting rod 3 is the 1/4~1/2 of run of steel.The above-mentioned length of connecting rod 3
Setting, centralized positioning preferably can be carried out to filler block 1.
The current valve for underground coal mine leting speeper drilling of the present embodiment, by setting filler block 1, filler block 1 is by hole
Drilling rod pin end 4 can be blocked after being rushed on the current of bottom, plays a part of to block water；When slush pump toward feed water in hole when, from pin thread one end
It is rushed out, is moved to drilling rod box end 5, realize feedwater, it is ensured that drilling can be continued；Connecting rod 3 fixes filler block 1, makes sealing
Also pin thread one end preferably matches closing or opens plug 1；Guide ring 2 in connecting rod 3, it is ensured that when connecting rod 3 is moved, water-stopping end
Can smoothly enter in the hole of drilling rod pin end 4, effectively block water.
The foregoing is only specific embodiment of the invention, but protection not limited to this of the invention, any this technology neck
The technical staff in domain the thinkable change being equal to the technical program technical characteristic or replacement, all cover in guarantor of the invention
Within the scope of shield.
Claims (5)
1. a kind of current valve for underground coal mine leting speeper drilling, including filler block, the connecting rod of fixed filler block, its feature
It is：Described filler block is tapered, and the size of taper is corresponding to drilling rod pin end inner void；The center of the bottom surface of taper sets
There is connecting hole, connecting hole is connected with one end of connecting rod, and connecting rod is provided with guide ring, and guide ring is socketed in connecting rod, is led
Diameter to ring is corresponding to drilling rod internal diameter, the diameter of the diameter less than guide ring of the bottom surface of taper.
2. it is according to claim 1 for underground coal mine leting speeper drilling current valve, it is characterised in that：Described guiding
Ring is 2, is separately positioned on the two ends of connecting rod.
3. it is according to claim 2 for underground coal mine leting speeper drilling current valve, it is characterised in that：Described guiding
Ring is aluminium ring.
4. it is according to claim 1 for underground coal mine leting speeper drilling current valve, it is characterised in that：Described sealing
It is rubber stopper to fill in, and filler block is connected by connecting hole with the threaded one end of connecting rod.
5. it is according to claim 1 for underground coal mine leting speeper drilling current valve, it is characterised in that：Described connection
The length of bar is the 1/4~1/2 of run of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710138734.XA CN106894779A (en) | 2017-03-09 | 2017-03-09 | For the current valve of underground coal mine leting speeper drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710138734.XA CN106894779A (en) | 2017-03-09 | 2017-03-09 | For the current valve of underground coal mine leting speeper drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106894779A true CN106894779A (en) | 2017-06-27 |
Family
ID=59185333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710138734.XA Pending CN106894779A (en) | 2017-03-09 | 2017-03-09 | For the current valve of underground coal mine leting speeper drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106894779A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2190135Y (en) * | 1994-01-22 | 1995-02-22 | 刘冀豪 | Automatic stopper for ramming and slurry filling |
| US20070272444A1 (en) * | 2006-05-24 | 2007-11-29 | Vermeer Manufacturing Company | Dual rod drill pipe with improved flow path method and apparatus |
| CN201982053U (en) * | 2011-03-30 | 2011-09-21 | 郑来恩 | Blowout and leakage plugging pin |
| CN202467705U (en) * | 2012-01-20 | 2012-10-03 | 杭州祥龙钻探设备有限公司 | One-way valve for drill rod |
| CN203879429U (en) * | 2014-05-14 | 2014-10-15 | 江苏如通石油机械股份有限公司 | Automatic grouting circulation device |
| CN106089135A (en) * | 2016-08-29 | 2016-11-09 | 东营市创元石油机械制造有限公司 | Oil drilling arrow formula drilling tool float valve |
-
2017
- 2017-03-09 CN CN201710138734.XA patent/CN106894779A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2190135Y (en) * | 1994-01-22 | 1995-02-22 | 刘冀豪 | Automatic stopper for ramming and slurry filling |
| US20070272444A1 (en) * | 2006-05-24 | 2007-11-29 | Vermeer Manufacturing Company | Dual rod drill pipe with improved flow path method and apparatus |
| CN201982053U (en) * | 2011-03-30 | 2011-09-21 | 郑来恩 | Blowout and leakage plugging pin |
| CN202467705U (en) * | 2012-01-20 | 2012-10-03 | 杭州祥龙钻探设备有限公司 | One-way valve for drill rod |
| CN203879429U (en) * | 2014-05-14 | 2014-10-15 | 江苏如通石油机械股份有限公司 | Automatic grouting circulation device |
| CN106089135A (en) * | 2016-08-29 | 2016-11-09 | 东营市创元石油机械制造有限公司 | Oil drilling arrow formula drilling tool float valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204729049U (en) | From grouting floating hoop | |
| CN105443041A (en) | Differential pressure type drill | |
| CN103993837B (en) | A kind of water conservancy punching high-low pressure changes drill bit automatically | |
| CN105317395B (en) | A kind of rotary cement head | |
| CN106894779A (en) | For the current valve of underground coal mine leting speeper drilling | |
| CN205206779U (en) | Fracture drilling rod fishing device | |
| CN206174887U (en) | Drillable eccentric ball face guide shoe | |
| CN209067142U (en) | Inserting tube release device in a kind of drilling | |
| CN207453911U (en) | Novel double-tube core barrel | |
| CN205297473U (en) | Prevent spouting draining switch in pit from formula that comes off | |
| CN209704539U (en) | One kind preventing returning to spit that press-fitting hydrophone can be surveyed | |
| CN204492744U (en) | A kind of oil drill rocker trip-proof device | |
| CN207064750U (en) | A kind of valve with safety valve on steel cylinder | |
| CN206158661U (en) | Forced seal ball seat | |
| CN206845135U (en) | A kind of blowout prevention aperture apparatus for firedamp taking-out discharging drilling | |
| CN216892663U (en) | High stability tap water injection well choke | |
| CN205858302U (en) | A kind of quantitatively water distribution plug | |
| CN207999226U (en) | A kind of damping centralizer dropping frictional resistance | |
| CN209244526U (en) | A kind of wear-resistant casing float collar | |
| CN202266256U (en) | Test tube drain device | |
| CN208252851U (en) | A kind of valve core structure in silent check valve | |
| CN204060618U (en) | Ball-and-seat | |
| CN204609759U (en) | Hydro-efflux Hammer diversion mechanism, Hydro-efflux Hammer and down hole drill device | |
| CN204827411U (en) | Sliding sleeve fracturing valve | |
| CN204113208U (en) | A kind of O type high pressure hole packer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170627 |