CN203640614U - Splitting drill bit - Google Patents
Splitting drill bit Download PDFInfo
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- CN203640614U CN203640614U CN201320696331.4U CN201320696331U CN203640614U CN 203640614 U CN203640614 U CN 203640614U CN 201320696331 U CN201320696331 U CN 201320696331U CN 203640614 U CN203640614 U CN 203640614U
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- drill bit
- water
- delivery port
- splitting
- passage
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Abstract
In order to solve the problem that in the existing drilling technology, vertical drilling and horizontal splitting effects and efficiencies cannot be met at the same time, the utility model provides a splitting drill bit. The splitting drill bit comprises a drill bit body, wherein a water supply passage, a water inlet and a first water outlet which are communicated with the water supply passage in the axial direction of the drill bit, and a second water outlet in the lateral direction of the drill bit are formed inside the drill bit body; the first water outlet comprises a two-step passage and an auxiliary passage. The splitting drill bit has the advantages as follows: through arrangement of the two water outlets, water supply during vertical drilling and lateral water effluence during stratum splitting are ensured; when the splitting drill bit switches vertical drilling and stratum splitting functions, the drill bit is not required to be replaced, and only water pressure is adjusted or a water source is changed, so that the working efficiency can be greatly improved.
Description
Technical field
The utility model belongs to drilling technique field, relates to a kind of drill bit, relates in particular to a kind ofly can realize vertical probing and can realize as required again the drill bit that laterally isolates use.
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.Such as in coal mining, coal mine gas, dust accident are one of disasters of down-hole, 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, therefore, eliminating gas exceeding limit and dust is the precondition of prevention gas, dust accident, is also one of important leverage of mine safety production.
But, due to geologic sedimentation effect, the toxic and harmfuls such as a large amount of gas in coal seam, are overstock, in order to realize safe digging, under normal circumstances, before digging, first to 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.The construction in gas pumping tunnel generally includes boring and isolates the multiple working procedures such as coal seam.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.Adopt effect in order to reach good gas pre-drainage, 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 ensure that the duration can make again the method for extraction tunnel successful.
Utility model content
The purpose of this utility model is can not meet vertically to execute simultaneously and bore and the level effect of isolating and the problem of efficiency in order to solve existing drilling technique, has proposed a kind of isolating and has used drill bit.
The technical solution of the utility model is: a kind of isolating with drill bit, comprise drill body, it is characterized in that, drill body inside comprises water channel, and be included in drill bit shaft to water inlet and first delivery port of water channel UNICOM, and the second delivery port of drill bit side direction, the first delivery port comprises two-stage ladder passage He Fu road; Pressure spring supports sealing ball and is placed in the first delivery port, and the two is by the shutoff in water (flow) direction respectively of two-stage ladder; Sealing ball UNICOM's water channel and the first delivery port are walked around in auxiliary road in the time of spring free length.
The beneficial effects of the utility model are: one of the present utility model is isolated and is provided with two delivery ports with drill bit, the process that wherein the first delivery port is vertically executed brill for drill bit is executed brill for drill bit provides cooling water with additional vertical, and the second delivery port of side direction sprays water under high pressure while being used for isolating bottom.Both the water supply while having ensured vertically to execute brill by two delivery ports are set has also ensured to isolate the side water exit of bottom.The structure that comprises pressure spring, sealing ball and auxiliary road of another the utility model design can realize vertically executing in brill process because hydraulic pressure is less, pressure regulation is withstood sealing ball by one-level ladder, and water flows out to meet through the first delivery port the demand of vertically executing brill by teaching.In the time isolating stratum, because hydraulic pressure is larger, sealing ball is pushed to another ladder of the first delivery port and the first delivery port is blocked by water under high pressure, and all water under high pressure penetrates and reaches the object of isolating stratum through the second delivery port of side direction.Use drill bit of the present utility model vertically to execute to bore and isolate ground while conversion between layer function without changing rotary head, only need to regulate hydraulic pressure or change water source, greatly improved operating efficiency.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
As shown in Figure 1, the one of the present embodiment is isolated with drill bit, comprise drill body 1, comprise water channel in drill body 1 inside, and be included in drill bit shaft to water inlet 2 and first delivery port of water channel UNICOM, and the second delivery port 3, the first delivery ports of drill bit side direction comprise two-stage ladder passage He Fu road 4; Pressure spring 8 supports sealing ball 7 and is placed in the first delivery port, and the two is by two-stage ladder 5(6) shutoff in water (flow) direction respectively; Wherein first order ladder 6 is for shutoff pressure spring 8, and second level ladder 5 is for shutoff sealing ball 7.Sealing ball UNICOM's water channel and the first delivery port are walked around in auxiliary road 4 in the time of pressure spring drift.
Be below the operating principle of the present embodiment: this drill bit is provided with two delivery ports, and wherein the first delivery port is positioned at chisel edge, opening direction be drill bit shaft to.The effect of the first delivery port is that drill bit is vertically executed in the process of brill, to provide to execute and bores required cooling water and execute brill with additional vertical.Have the second delivery port in drill bit laterally disposed, the second delivery port sprays water under high pressure while being used for isolating bottom.The second delivery port is preferably the horn mouth shape that import large outlet is little, for improving the hydraulic pressure of delivery port, can concentrate the energy that isolates stratum, strengthens and isolates effect.Both the water supply while having ensured vertically to execute brill by two delivery ports are set has also ensured to isolate the side water exit of bottom.The structure that comprises pressure spring, sealing ball and auxiliary road of another the present embodiment design can realize vertically executing in brill process because hydraulic pressure is less, pressure regulation is withstood sealing ball by one-level ladder, and water flows out to meet through the first delivery port the demand of vertically executing brill by teaching.In the time isolating stratum, because hydraulic pressure is larger, sealing ball is pushed to another ladder of the first delivery port and the first delivery port is blocked by water under high pressure, and all water under high pressure penetrates and reaches the object of isolating stratum through the second delivery port of side direction.Use drill bit of the present utility model vertically to execute to bore and isolate ground while conversion between layer function without changing rotary head, only need to regulate hydraulic pressure or change water source, greatly improved operating 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 drill bit, comprise drill body, it is characterized in that, drill body inside comprises water channel, and be included in drill bit shaft to water inlet and first delivery port of water channel UNICOM, and the second delivery port of drill bit side direction, the first delivery port comprises two-stage ladder passage He Fu road; Pressure spring supports sealing ball and is placed in the first delivery port, and the two is by the shutoff in water (flow) direction respectively of two-stage ladder; Sealing ball UNICOM's water channel and the first delivery port are walked around in auxiliary road in the time of spring free length.
2. one according to claim 1 is isolated with drill bit, it is characterized in that the little horn mouth shape of the second delivery port import large outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320696331.4U CN203640614U (en) | 2013-11-05 | 2013-11-05 | Splitting drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320696331.4U CN203640614U (en) | 2013-11-05 | 2013-11-05 | Splitting drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203640614U true CN203640614U (en) | 2014-06-11 |
Family
ID=50871869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320696331.4U Expired - Fee Related CN203640614U (en) | 2013-11-05 | 2013-11-05 | Splitting drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203640614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103643898A (en) * | 2013-11-05 | 2014-03-19 | 成都晟鑫机电设备有限公司 | Splitting drill |
-
2013
- 2013-11-05 CN CN201320696331.4U patent/CN203640614U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103643898A (en) * | 2013-11-05 | 2014-03-19 | 成都晟鑫机电设备有限公司 | Splitting drill |
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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 |