CN203640619U - Rupturing drill rod - Google Patents
Rupturing drill rod Download PDFInfo
- Publication number
- CN203640619U CN203640619U CN201320696059.XU CN201320696059U CN203640619U CN 203640619 U CN203640619 U CN 203640619U CN 201320696059 U CN201320696059 U CN 201320696059U CN 203640619 U CN203640619 U CN 203640619U
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- ladder
- hole
- drill rod
- diameter
- drilling rod
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- Expired - Fee Related
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Abstract
The utility model discloses a rupturing drill rod which comprises a drill rod body, wherein a stepped through hole is formed in the drill rod body, and comprises a first step and a second step, of which the apertures are sequentially reduced from top to bottom. The rupturing drill rod further comprises a pressure adjusting spring and a water stop ball, which are arranged in the stepped through hole, wherein the pressure adjusting spring is freely placed in the stepped through hole, and the diameter of the pressure adjusting spring is between the apertures of the first and the second steps; the water stop ball is freely placed on the upper part of the pressure adjusting spring in the stepped through hole, and the diameter of the water stop ball is between the aperture of the first step and the maximum aperture of the stepped through hole; the drill rod body comprises a jet injection hole which is perpendicular to the axial direction of the drill rod and is communicated with the stepped through hole; the distance between the jet injection hole and the first step is not less than the diameter of the water stop ball. According to the drill rod, a drill bit or the drill rod is not required to be replaced when perpendicular drilling and horizontal rupturing functions are switched, so that the engineering efficiency can be greatly improved during engineering application.
Description
Technical field
The utility model belongs to drilling technique field, relates to a kind of drilling rod, relates in particular to a kind ofly to have stratum and isolate the drilling rod of function.
Background technology
Drilling technique is an important technology of ore deposit, ground exploitation, has extremely important status no matter be in fields such as coal mining drilling well, excavation gas pumping passage or oil explorations.Wherein mainly comprise and vertically execute brill technology and level is isolated technology, such as in coal mining, if there is gas, dust accident, not only can heavy damage production environment, and can cause casualties, cause huge loss to the people, enterprise, country.Eliminating gas exceeding limit and dust is the precondition of prevention gas, dust accident, is also one of important leverage of mine safety production.
In order to reduce the gas dust harm in mine operation, need to before digging, arrange special gas pumping tunnel, adopt underground drill rig construction extraction borehole to implement in advance gas pumping, after extraction is up to standard, can start digging coal.Concrete grammar is to use underground drill rig first to execute to bore the boring of certain depth, and then drilling rod being changed into put in after the drill rod special for isolating coal seam needs the position, coal seam of isolating again in boring, then adopts water under high pressure to isolate coal seam.In order to solve engineering problems such as being similar to mine gas extraction channel arrangement, conventionally require boring to there is certain degree of depth, and the different depth position of boring need to be isolated coal seam, this just need to repeatedly exit drilling rod and repeatedly change boring drilling rod and isolate the drill rod special in coal seam from boring.This drilling rod Renewal process can take a large amount of engineering times, affects programming.
In the prior art, due to some duration of a project anxiety or other reasons, be forced to adopt only boring and the form of construction work of not cutting, but it is very low to adopt its gas pumping rate of extraction tunnel of arranging in this way.At present also there is no to guarantee that the duration can make again the method for extraction tunnel successful.
Utility model content
The purpose of this utility model is to bore and level is isolated function switching and need to be changed drilling rod or drill bit and affect the problem of engineering efficiency in order to solve vertically to execute in existing drilling technique, has proposed a kind of isolating and has used drilling rod.
The technical solution of the utility model is: a kind of isolating with drilling rod, it is characterized in that, and comprise drilling rod body, inside has ladder hole, and ladder hole comprises the first ladder and the second ladder that aperture dwindles successively from top to bottom; Also comprise the pressure spring and the sealing ball that are placed in ladder hole, pressure spring is freely positioned in ladder hole, diameter is between the first ladder and the second ladder aperture, sealing ball is freely positioned over the top of ladder hole internal pressure-regulating spring, and diameter is between the first ladder aperture and the maximum diameter of hole of ladder hole; Drilling rod body comprise perpendicular to drilling rod axially offer and with the jet nozzle of ladder hole UNICOM, the distance of jet nozzle distance the first ladder is not less than the diameter of sealing ball.
Further, the diameter of sealing ball is 0.6 to 0.8 times of ladder hole maximum gauge.
The beneficial effects of the utility model are: a kind of isolating of the present utility model is set to ladder hole by the through hole of conventional drill with drilling rod, and pressure spring and the sealing ball of certain size be set respectively, realized for vertically execute bore time, due to less for the hydraulic pressure of executing brill, so spring is almost in free state, current are walked around bead and after the first ladder and second-order cascading, are flowed to the drill bit of terminal.In the time that needs isolate stratum, only need to improve hydraulic pressure to corresponding parameter, sealing ball is because pressure spring is pushed in the impact that is subject to water under high pressure, pressure spring is compressed, sealing ball sealing blocks up the first ladder, and the current in ladder hole are forced to penetrate through jet nozzle, reach the object of isolating stratum.Due to without more bit change or drilling rod, in engineering application, can greatly improve engineering efficiency.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation isolating with drilling rod of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
As shown in Figure 1, the one one of the present embodiment is isolated and is comprised drilling rod body 1 with drilling rod, and inside has ladder hole, and ladder hole comprises the first ladder 3 and the second ladder 4 that aperture dwindles successively from top to bottom; Also comprise the pressure spring 6 and the sealing ball 5 that are placed in ladder hole, pressure spring is freely positioned in ladder hole, diameter is between the first ladder and the second ladder aperture, sealing ball is freely positioned over the top of ladder hole internal pressure-regulating spring, and diameter is between the first ladder aperture and the maximum diameter of hole of ladder hole; Drilling rod body comprise perpendicular to drilling rod axially offer and with the jet nozzle 2 of ladder hole UNICOM, the distance of jet nozzle distance the first ladder is not less than the diameter of sealing ball.The object of the distance setting of above-mentioned jet nozzle and the first ladder is when sealing ball is by high pressure water impact and when shutoff the first ladder, do not affect current and flow out from jet nozzle.
In order to guarantee vertically to execute, in brill process, current are smoothly by sealing ball, and the diameter of sealing ball is preferably 0.6 to 0.8 times into ladder hole maximum gauge.
It is below a kind of advantage having by the operating principle of drilling rod and with respect to existing drilling rod of isolating of the present embodiment, through hole by conventional drill is set to ladder hole, and pressure spring and the sealing ball of certain size be set respectively, realized for vertically execute bore time, due to less for the hydraulic pressure of executing brill, so spring is almost in free state, current are walked around bead and after the first ladder and second-order cascading, are flowed to the drill bit of terminal.In the time that needs isolate stratum, only need to improve hydraulic pressure to corresponding parameter, sealing ball is because pressure spring is pushed in the impact that is subject to water under high pressure, pressure spring is compressed, sealing ball sealing blocks up the first ladder, and the current in ladder hole are forced to penetrate through jet nozzle, reach the object of isolating stratum.Due to without more bit change or drilling rod, in engineering application, can greatly improve engineering efficiency.
Those of ordinary skill in the art will appreciate that, embodiment described here is in order to help reader understanding's principle of the present utility model, should be understood to that protection domain of the present utility model is not limited to such special statement and embodiment.Those of ordinary skill in the art can make various other various concrete distortion and combinations that do not depart from the utility model essence according to disclosed these technology enlightenments of the utility model, and these distortion and combination are still in protection domain of the present utility model.
Claims (2)
1. isolate with a drilling rod, it is characterized in that, comprise drilling rod body, inside has ladder hole, and ladder hole comprises the first ladder and the second ladder that aperture dwindles successively from top to bottom; Also comprise the pressure spring and the sealing ball that are placed in ladder hole, pressure spring is freely positioned in ladder hole, diameter is between the first ladder and the second ladder aperture, sealing ball is freely positioned over the top of ladder hole internal pressure-regulating spring, and diameter is between the first ladder aperture and the maximum diameter of hole of ladder hole; Drilling rod body comprise perpendicular to drilling rod axially offer and with the jet nozzle of ladder hole UNICOM, the distance of jet nozzle distance the first ladder is not less than the diameter of sealing ball.
2. drilling rod according to claim 1, is characterized in that, the diameter of sealing ball is 0.6 to 0.8 times of ladder hole maximum gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320696059.XU CN203640619U (en) | 2013-11-05 | 2013-11-05 | Rupturing drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320696059.XU CN203640619U (en) | 2013-11-05 | 2013-11-05 | Rupturing drill rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203640619U true CN203640619U (en) | 2014-06-11 |
Family
ID=50871874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320696059.XU Expired - Fee Related CN203640619U (en) | 2013-11-05 | 2013-11-05 | Rupturing drill rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203640619U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090190A (en) * | 2021-04-08 | 2021-07-09 | 中国矿业大学(北京) | Mining hydraulic punching steering valve |
-
2013
- 2013-11-05 CN CN201320696059.XU patent/CN203640619U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090190A (en) * | 2021-04-08 | 2021-07-09 | 中国矿业大学(北京) | Mining hydraulic punching steering valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20141105 |
|
| EXPY | Termination of patent right or utility model |