CN205036300U - Efficiency of core breaks rock is improved PDC drill bit - Google Patents
Efficiency of core breaks rock is improved PDC drill bit Download PDFInfo
- Publication number
- CN205036300U CN205036300U CN201520795045.2U CN201520795045U CN205036300U CN 205036300 U CN205036300 U CN 205036300U CN 201520795045 U CN201520795045 U CN 201520795045U CN 205036300 U CN205036300 U CN 205036300U
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- China
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- wing
- drill bit
- bizet
- bit body
- center
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Abstract
The utility model discloses an efficiency of core breaks rock is improved PDC drill bit, including bit body and fixed joint, bit body and fixed joint connect, the crown center of bit body is equipped with the nozzle, the crown of bit body is equipped with radially and be first wing, second wing, third wing and the fourth wing that the annular was arranged, the side of first wing, second wing, third wing and fourth wing all is equipped with a plurality of water holes, and the one end that second wing and fourth wing are close to the crown center be planar structure, and the recess diameter of section that is close to crown center one end is less than the diameter of section of keeping away from the central one end of crown, recess and wing all are equipped with one and protect the footpath strip between two liang, the utility model discloses an increasing the water hole on the wing, can effectually cleaing away the piece, the wing through recess, cambered surface and tangent plane design can accelerate the speed of breaking ground of drill bit moreover, and protects the life of footpath strip, promotion drill bit that can also be great.
Description
Technical field
The utility model relates to dental multipurpose therapy unit technical field, particularly relates to a kind of PDC drill bit improving heart portion efficiency of breaking rock.
Background technology
Existing PDC drill bit creeps at centering soft formation and hard interbedded layer, when drill bit is when creeping at a high speed, the landwaste produced due to cutting teeth is more, the accumulation of easy generation landwaste, due to the axis parallel of the raceway groove between wing and bit body, bit body is in the process of creeping into rotation, landwaste can be piled up in channels, landwaste is not easily discharged, because the discharge of landwaste is not smooth, the resistance that drill bit is subject to when creeping into increases, affect the speed that drill bit creeps into, if the patent No. is the PDC drill bit shown in " 201420087408.2 ", its wing otch is all tangent plane shape, be unfavorable for the fast rotational of drill bit, and bit body only has a nozzle, discharge is very few is unfavorable for working long hours of drill bit, and only carry out work by wing and cutting teeth, likely reduce the application life of drill bit, and the chip area only by annular between two wings likely can not discharge the amount of debris of the drill bit generation of high-speed cruising in time, easily cause the fault of drill bit, therefore, be necessary that design is a kind of wear-resisting, high efficiency, long service life improves the PDC drill bit of heart portion efficiency of breaking rock.
Utility model content
The purpose of this utility model is to solve the shortcoming existed in prior art, and a kind of PDC drill bit improving heart portion efficiency of breaking rock proposed.
To achieve these goals, the utility model have employed following technical scheme:
A kind of PDC drill bit improving heart portion efficiency of breaking rock, comprise bit body and anchor tip, described bit body is connected with anchor tip, the bizet center of described bit body is provided with nozzle, the bizet of described bit body is provided with radial direction and the first wing of circular array, second wing, 3rd wing and the 4th wing, described first wing, second wing, the side of the 3rd wing and the 4th wing is equipped with multiple water hole, described water hole is communicated with the inside of bit body, and the top of each wing is provided with multiple cutting teeth, described first wing and the 3rd wing are near the center of bizet, and the first wing and the 3rd wing are globoidal structure near the one end at bizet center, described second wing and the 4th wing are away from the center of bizet, and the second wing and the 4th wing are plane structure near the one end at bizet center, groove is equipped with between two adjacent wings, and the diameter of section of groove near one end, bizet center is less than the diameter of section away from one end, bizet center, described groove and wing are equipped with a gauge bar between any two.
Preferably, the inside in described nozzle and water hole is equipped with screen pack.
Preferably, described gauge bar is diamond compact.
Preferably, the quantity in the water hole on described each wing is no less than three.
In the utility model, drill bit top is provided with nozzle, the side of each wing is also provided with multiple water hole, can effectively know chip on drill bit, and wing is designed the structure alternate with tangent plane in cambered surface near the one end at bizet center, add T-shaped groove and can accelerate drill bit wedging stratum, break rock fast, and the drill bit adding gauge bar also improves its application life greatly, shortens the cost of use.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation improving the PDC drill bit of heart portion efficiency of breaking rock that the utility model proposes;
Fig. 2 is a kind of top view improving the PDC drill bit of heart portion efficiency of breaking rock that the utility model proposes.
In figure: 1 bit body, 2 anchor tips, 3 cutting teeths, 4 nozzles, 5 water holes, 6 first wings, 7 second wings, 8 the 3rd wings, 9 the 4th wings, 10 grooves, 11 gauges article.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.
With reference to Fig. 1-2, a kind of PDC drill bit improving heart portion efficiency of breaking rock, comprise bit body 1 and anchor tip 2, bit body 1 is connected with anchor tip 2, the bizet center of bit body 1 is provided with nozzle 4, the bizet of bit body 1 is provided with radial direction and the first wing 6 of circular array, second wing 7, 3rd wing 8 and the 4th wing 9, first wing 6, second wing 7, the side of the 3rd wing 8 and the 4th wing 9 is equipped with multiple water hole 5, spray water from the side, chip can be accelerated from the removing bit body 1, water hole 5 is communicated with the inside of bit body 1, and the top of each wing is provided with multiple cutting teeth 3, first wing 6 and the 3rd wing 8 are near the center of bizet, and the first wing 6 and the 3rd wing 8 are globoidal structure near the one end at bizet center, second wing 7 and the 4th wing 8 are away from the center of bizet, and the second wing 7 and the 4th wing 8 are plane structure near the one end at bizet center, groove 10 is equipped with between two adjacent wings, and the diameter of section of groove 10 near one end, bizet center is less than the diameter of section away from one end, bizet center, by so T-shaped design, chip can be thrown away fast from bit body 1, groove 10 and wing are equipped with a gauge bar 11 between any two, drill bit can be protected, extend gas application life.
The inside in nozzle 4 and water hole 5 is equipped with screen pack; can prevent the chip produced during bit operation from entering in drill bit from water hole 5; affect the work of drill bit; gauge bar 11 is diamond compact; effectively can protect drill bit; extend the application life of drill bit, the quantity in the water hole 5 on each wing is no less than three, can be accelerated the removing speed of chip by the water spray in multiple water hole 5.
In the utility model, drill bit top is provided with nozzle 4, the side of each wing is also provided with multiple water hole 5, can effectively know chip on drill bit, and wing is designed the structure alternate with tangent plane in cambered surface near the one end at bizet center, add T-shaped groove 10 and can accelerate drill bit wedging stratum, break rock fast, and the drill bit adding gauge bar 11 also improves its application life greatly, shortens the cost of use.
The above; be only the utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, all should be encompassed within protection domain of the present utility model.
Claims (4)
1. one kind is improved the PDC drill bit of heart portion efficiency of breaking rock, comprise bit body and anchor tip, described bit body is connected with anchor tip, it is characterized in that: the bizet center of described bit body is provided with nozzle, the bizet of described bit body is provided with radial direction and the first wing of circular array, second wing, 3rd wing and the 4th wing, described first wing, second wing, the side of the 3rd wing and the 4th wing is equipped with multiple water hole, described water hole is communicated with the inside of bit body, and the top of each wing is provided with multiple cutting teeth, described first wing and the 3rd wing are near the center of bizet, and the first wing and the 3rd wing are globoidal structure near the one end at bizet center, described second wing and the 4th wing are away from the center of bizet, and the second wing and the 4th wing are plane structure near the one end at bizet center, groove is equipped with between two adjacent wings, and the diameter of section of groove near one end, bizet center is less than the diameter of section away from one end, bizet center, described groove and wing are equipped with a gauge bar between any two.
2. a kind of PDC drill bit improving heart portion efficiency of breaking rock according to claim 1, is characterized in that: the inside in described nozzle and water hole is equipped with screen pack.
3. a kind of PDC drill bit improving heart portion efficiency of breaking rock according to claim 1, is characterized in that: described gauge bar is diamond compact.
4. a kind of PDC drill bit improving heart portion efficiency of breaking rock according to claim 1, is characterized in that: the quantity in the water hole on described each wing is no less than three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520795045.2U CN205036300U (en) | 2015-10-15 | 2015-10-15 | Efficiency of core breaks rock is improved PDC drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520795045.2U CN205036300U (en) | 2015-10-15 | 2015-10-15 | Efficiency of core breaks rock is improved PDC drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205036300U true CN205036300U (en) | 2016-02-17 |
Family
ID=55295209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520795045.2U Expired - Fee Related CN205036300U (en) | 2015-10-15 | 2015-10-15 | Efficiency of core breaks rock is improved PDC drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205036300U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112096296A (en) * | 2020-11-12 | 2020-12-18 | 胜利油田固邦石油装备有限责任公司 | PDC drill bit for grinding fin type oil gas drilling |
| CN114809930A (en) * | 2022-04-27 | 2022-07-29 | 武汉亿斯达工具有限公司 | Combined PDC drill bit |
-
2015
- 2015-10-15 CN CN201520795045.2U patent/CN205036300U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112096296A (en) * | 2020-11-12 | 2020-12-18 | 胜利油田固邦石油装备有限责任公司 | PDC drill bit for grinding fin type oil gas drilling |
| CN112096296B (en) * | 2020-11-12 | 2021-03-02 | 胜利油田固邦石油装备有限责任公司 | PDC drill bit for grinding fin type oil gas drilling |
| CN114809930A (en) * | 2022-04-27 | 2022-07-29 | 武汉亿斯达工具有限公司 | Combined PDC drill bit |
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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: 20160217 Termination date: 20161015 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |