CN203702012U - Reverse-circulation well drill - Google Patents
Reverse-circulation well drill Download PDFInfo
- Publication number
- CN203702012U CN203702012U CN201420044543.9U CN201420044543U CN203702012U CN 203702012 U CN203702012 U CN 203702012U CN 201420044543 U CN201420044543 U CN 201420044543U CN 203702012 U CN203702012 U CN 203702012U
- Authority
- CN
- China
- Prior art keywords
- drill
- slush pump
- mud pump
- rod
- drilling rod
- 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.)
- Expired - Fee Related
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- Earth Drilling (AREA)
Abstract
The utility model discloses a reverse-circulation well drill. The reverse-circulation well drill comprises a drill rod, a mud pump, a mud pump discharging pipe, a positioning rod, a fixing frame and a lifter, wherein the drill rod is cylindrical, a peripheral drill face is arranged in the middle of the outer surface of the drill rod, and arc grooves and planar drill edge columns are evenly distributed on the surface of the peripheral drill face; the drill rod is fixedly connected with the mud pump, the mud pump discharging pipe is communicated with an outlet in the upper end of the mud pump, the positioning rod is connected with the lifter through a rope or a chain, a diaphragm spring is fixedly connected with the mud pump through screws and arranged on the peripheral face of the positioning rod in a sleeved mode, and the lifter is fixedly installed at the upper end in the fixing frame. When the mud pump is connected with the positioning rod, the diaphragm spring can play a role in buffering and damping, so that the mud pump is prevented from being damaged by the positioning rod; the peripheral drill face is additionally arranged and provided with the arc grooves and the planar drill edge columns, so that resistance is reduced to the maximum extent for a well drilling face, working efficiency is improved, and service life of the drill rod is prolonged.
Description
Technical field
The utility model relates to a kind of trepan, relates in particular to a kind of reverse circulation drill.
Background technology
Reverse circulation drill is for direct circulation trepan, and so-called direct circulation trepan refers to mud or water enters from drilling rod, flows out from well head.If mud or water are by drilling rod sucking-off, flow into from well head, be referred to as reverse circulation drill, reverse circulation refers to what the endless form of drilling fluid (mud or water) in trepan said, well drill bit can produce dregs, slag stone etc. in creeping into, can take ground to by these bits of mud by reverse circulation, after sedimentation basin precipitation, mud returns boring again, so ceaselessly circulation, last pore-forming, the advantage of reverse circulation drill is to take the slag that diameter is larger out of.The reverse circulation drill of prior art easily damages slush pump in the time that backstay and slush pump are installed, and the working environment of trepan itself is more severe, so just shorten the application life that has caused trepan, the reverse circulation drill of prior art also exists drilling rod in the course of the work owing to being subject to larger resistance simultaneously, easily there is the situations such as wearing and tearing, fracture, can not meet people's demand.
Utility model content
The purpose of this utility model is to provide a kind of reverse circulation drill, prevents from damaging when mounted slush pump, and can improve drilling life of drill pipe, avoids occurring the situations such as wear and rupture, solves the shortcoming that prior art exists.
The utility model adopts following technical scheme to realize:
A kind of reverse circulation drill, it is characterized in that, described reverse circulation drill comprises drilling rod 1, slush pump 4, slush pump discharge nozzle 5, backstay 6, fixed frame 7 and hoist 8, described drilling rod 1 is cylindrical, external surface middle part at described drilling rod 1 is provided with peripheral hardware drilling area 3, the surface uniform of described peripheral hardware drilling area 3 is distributed with arc groove 9, between two adjacent arc grooves 9, form plane drill lip post 10, the upper end of drilling rod 1 is fixedly connected with the lower end entrance of slush pump 4, the lower end of described slush pump discharge nozzle 5 is communicated with the upper end outlet of slush pump 4, described backstay 6 is connected with hoist 8 by rope or chain, the lower end of backstay 6 is provided with a diaphragm spring 2, described diaphragm spring 2 is sleeved on the outer peripheral face of described backstay 6, diaphragm spring 2 is fixedly connected with described slush pump 4 by screw, described hoist 8 is packed in the upper end in fixed frame 7.
Further, the quantity of described arc groove 9 is six.
The useful technique effect that the utility model possesses is: the upper surface of slush pump is fixedly connected with a diaphragm spring by screw, and slush pump diaphragm spring in the time interconnecting with backstay can play the effect of bumper and absorbing shock, prevents that backstay from damaging slush pump; Drilling rod is improved simultaneously, increased peripheral hardware drilling area, peripheral hardware drilling area has arc groove and plane drill lip post, and in the time of drilling well, peripheral hardware drilling area can contact drilling well with the borehole wall, the drilling well face of making can farthest reduce resistance, increases work efficiency and extends application life of drilling rod.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the utility model reverse circulation drill.
Fig. 2 is the structural representation of diaphragm spring.
Fig. 3 is the upward view of drilling rod.
The specific embodiment
By the description to embodiment below; to more contribute to public understanding the utility model; but specific embodiment given applicant can't be considered as to the restriction to technical solutions of the utility model, any definition to parts or technical characterictic change and/or to overall structure do form and immaterial conversion all should be considered as the protection domain that the technical solution of the utility model limits.
Reverse circulation drill as shown in Figure 1 to Figure 3, reverse circulation drill comprises drilling rod 1, slush pump 4, slush pump discharge nozzle 5, backstay 6, fixed frame 7 and hoist 8, drilling rod 1 is cylindrical, external surface middle part at drilling rod 1 is provided with peripheral hardware drilling area 3, the surface uniform of peripheral hardware drilling area 3 is distributed with arc groove 9, in the present embodiment, the quantity of arc groove 9 is six, in other embodiments can be according to the quantity that need to change arc groove 9 of different occasions, as be set to four, eight, ten or more.The two ends, left and right of backstay 6 are located in the end slipway of the left and right sides on fixed frame 7.Between two adjacent arc grooves 9, form plane drill lip post 10, the upper end of drilling rod 1 is fixedly connected with the lower end entrance of slush pump 4, the lower end of slush pump discharge nozzle 5 is communicated with the upper end outlet of slush pump 4, backstay 6 is connected with hoist 8 by rope or chain, the lower end of backstay 6 is provided with a diaphragm spring 2, diaphragm spring 2 is sleeved on the outer peripheral face of backstay 6, diaphragm spring 2 is fixedly connected with (not shown) by screw with slush pump 4, and hoist 8 is packed in the upper end in fixed frame 7.The upper surface of slush pump 4 is fixedly connected with a diaphragm spring 2 by screw (not shown), slush pump 4 diaphragm spring 2 in the time interconnecting with backstay 6 can play the effect of bumper and absorbing shock, prevent that backstay 6 from damaging slush pump 4, the key core parts of reverse circulation drill can increase the service life like this.Also drilling rod 1 is improved in the present embodiment simultaneously, increase peripheral hardware drilling area 3, peripheral hardware drilling area 3 has arc groove 9 and plane drill lip post, in the time of drilling well, peripheral hardware drilling area can contact drilling well with the borehole wall, the drilling well face of making can farthest reduce resistance, increases work efficiency and extends application life of drilling rod.In the time of real work, drilling rod 1 adopts carbide alloy material, carbide alloy has that hardness is high, wear-resisting, intensity and a series of premium properties such as toughness is better, heat-resisting, corrosion-resistant, particularly its high rigidity and abrasion resistance make it be suitable for being used as drill rod materials, while selecting Hardmetal materials, should guarantee also substantially to remain unchanged at the temperature of 500 ℃, in the time of 1000 ℃, still have very high hardness, could meet like this job requirement of down-hole, and before work, apply one deck antirust oil enamelled coating on the surface of wanting drilling rod 1, prevent that drilling rod is by soil corrosion.The operating principle of trepan: backstay 6 is sent into slush pump 4 in the well below ground line by elevating mechanism 8, drive drilling rod 1 low speed rotation by connecting a dynamic retarding case, in the present embodiment, drilling rod 1 is to be directly connected with slush pump, slush pump can be connected with drilling rod 1 by a hollow output shaft in other embodiments, in order to improve driving force, the mud that drilling rod 1 gets out flows into slush pump 4 via the lower end entrance of drilling rod 1, slush pump 4, then sends ground by slush pump discharge nozzle 5.
Certainly; the utility model can also have other various embodiments; in the situation that not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (2)
1. a reverse circulation drill, it is characterized in that, described reverse circulation drill comprises drilling rod (1), slush pump (4), slush pump discharge nozzle (5), backstay (6), fixed frame (7) and hoist (8), described drilling rod (1) is cylindrical, be provided with peripheral hardware drilling area (3) in the external surface middle part of described drilling rod (1), the surface uniform of described peripheral hardware drilling area (3) is distributed with arc groove (9), between adjacent two arc grooves (9), form plane drill lip post (10), the upper end of drilling rod (1) is fixedly connected with the lower end entrance of slush pump (4), the lower end of described slush pump discharge nozzle (5) is communicated with the upper end outlet of slush pump (4), described backstay (6) is connected with hoist (8) by rope or chain, the lower end of backstay (6) is provided with a diaphragm spring (2), described diaphragm spring (2) is sleeved on the outer peripheral face of described backstay (6), diaphragm spring (2) is fixedly connected with described slush pump (4) by screw, described hoist (8) is packed in the upper end in fixed frame (7).
2. reverse circulation drill according to claim 1, is characterized in that, the quantity of described arc groove (9) is six.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044543.9U CN203702012U (en) | 2014-01-24 | 2014-01-24 | Reverse-circulation well drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044543.9U CN203702012U (en) | 2014-01-24 | 2014-01-24 | Reverse-circulation well drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203702012U true CN203702012U (en) | 2014-07-09 |
Family
ID=51052468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420044543.9U Expired - Fee Related CN203702012U (en) | 2014-01-24 | 2014-01-24 | Reverse-circulation well drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203702012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107234A (en) * | 2019-05-14 | 2019-08-09 | 阜南县奋进机械制造有限公司 | A kind of well drilling rig |
-
2014
- 2014-01-24 CN CN201420044543.9U patent/CN203702012U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107234A (en) * | 2019-05-14 | 2019-08-09 | 阜南县奋进机械制造有限公司 | A kind of well drilling rig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gu Guohua Inventor after: Yin Guohui Inventor after: Zhang Yu Inventor after: Fu Quan Inventor before: Gu Guohua |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: GU GUOHUA TO: GU GUOHUA YIN GUOHUI ZHANG YU FU QUAN |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20150124 |
|
| EXPY | Termination of patent right or utility model |