CN213234940U - Drill bit for directional drilling - Google Patents
Drill bit for directional drilling Download PDFInfo
- Publication number
- CN213234940U CN213234940U CN202022370652.8U CN202022370652U CN213234940U CN 213234940 U CN213234940 U CN 213234940U CN 202022370652 U CN202022370652 U CN 202022370652U CN 213234940 U CN213234940 U CN 213234940U
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- drill bit
- blades
- bit body
- fixedly arranged
- connecting cylinder
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- 238000005553 drilling Methods 0.000 title claims abstract description 28
- 230000036346 tooth eruption Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000005507 spraying Methods 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000013049 sediment Substances 0.000 abstract description 6
- 239000007921 spray Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model discloses a drill bit for directional drilling, which comprises a drill bit body, wherein two first blades and two second blades are fixedly arranged on the bottom of the drill bit body, the two first blades and the two second blades are arranged in a staggered manner, and a plurality of cutting teeth are fixedly arranged on the first blades and the second blades; the drill bit comprises a drill bit body and is characterized in that a shaft lever is fixedly arranged on the top surface of the drill bit body, a helical blade is fixedly arranged on the shaft lever, a connecting cylinder is sleeved on the shaft lever, and the connecting cylinder is rotatably connected with the shaft lever. It is rotatory through using drive arrangement to drive the axostylus axostyle, and then drive the drill bit body and rotate, and then drive first wing, the second wing is rotatory, and then make a plurality of cutting teeth drill to shaft bottom ground, be convenient for with the leading-in connecting cylinder of rubble sediment in through setting up chip groove and baffle, through setting up helical blade, when the shaft pole is rotatory, helical blade can upwards convey and see off the rubble sediment, avoid shaft bottom rubble sediment to accumulate too much, and influence the drilling efficiency of drill bit body.
Description
Technical Field
The utility model relates to a drilling equipment field especially relates to a drill bit for directional drilling.
Background
The use of directional drilling technology in oil drilling projects is also increasing rapidly, with an increasing number of directional wells. Along with the improvement of the production technology of polycrystalline diamond PDC and the improvement of the design and manufacture technology of the PDC drill bit, the proportion of the PDC drill bit in the drilling rock breaking is larger and larger, but the PDC drill bit has poor effect in the using process of soft and hard staggered multi-layer stratum and hard stratum, and has the defects of low drilling efficiency, short service life, multiple drilling faults and the like. In addition, the PDC drill bit has larger bit pressure in the drilling process, and the drill bit is easily wrapped by mud due to the direct contact between the drill bit and the well bottom, so that the mechanical drilling speed of the drill bit is reduced. Polycrystalline Diamond (PDC) has good wear resistance and high hardness.
PDC bits, however, suffer from the following disadvantages: firstly, the stability is poor when the PDC drill bit is subjected to high temperature, and when the temperature is higher than 400 ℃, the abrasion speed of the PDC drill bit is accelerated; secondly, the gravel slag generated by drilling is not convenient to discharge, and the efficiency of drilling is reduced and the use is not facilitated due to the fact that the gravel slag is accumulated excessively.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a drill bit for directional drilling to solve above-mentioned technical problem.
The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize:
a drill bit for directional drilling comprises a drill bit body, wherein two first blades and two second blades are fixedly arranged at the bottom of the drill bit body, the two first blades and the two second blades are arranged in a staggered mode, and a plurality of cutting teeth are fixedly arranged on the first blades and the second blades; the drill bit comprises a drill bit body and is characterized in that a shaft lever is fixedly arranged on the top surface of the drill bit body, a helical blade is fixedly arranged on the shaft lever, a connecting cylinder is sleeved on the shaft lever, and the connecting cylinder is rotatably connected with the shaft lever.
Preferably, the shaft lever is sleeved with a bearing, an inner ring of the bearing is fixedly connected with the outer surface of the shaft lever, four fixing columns are fixedly connected to an outer ring of the bearing, and the other ends of the four fixing columns are fixedly connected with the inner wall of the connecting cylinder.
Preferably, a plurality of crushing blades are fixedly arranged on the inner wall of the connecting cylinder at equal intervals, and the crushing blades are made of stainless steel.
Preferably, a plurality of chip grooves penetrate through the drill bit body, and a plurality of baffles are fixedly arranged on the drill bit body.
Preferably, a plurality of water spray holes are arranged on the drill bit body in a penetrating mode, the shaft rod is of a cavity structure, and the cavity of the shaft rod is communicated with the plurality of water spray holes.
Preferably, the shaft rod is made of stainless steel, and the wall thickness of the shaft rod is 5-8 mm.
The utility model has the advantages that:
1. the utility model discloses an it is rotatory to use drive arrangement to drive the axostylus axostyle, and then drive the drill bit body and rotate, and then drive first wing of a knife, the second wing of a knife is rotatory, and then make a plurality of cutting teeth drill to the ground of shaft bottom, be convenient for with the leading-in connecting cylinder of going into of rubble sediment through setting up chip groove and baffle, through setting up helical blade, when the shaft pole is rotatory, helical blade can upwards convey and see off the rubble sediment, avoid the rubble sediment accumulation of shaft bottom too much, and influence the drilling efficiency of drill bit body.
2. The during operation of drill bit body can generate heat, send out the boiling hot, through the cavity internal water injection to the axostylus axostyle, because the cavity of axostylus axostyle is with the hole for water spraying intercommunication, so water in the axostylus axostyle can be through the hole for water spraying blowout, and the water of blowout water can cool down the drill bit body, avoids drill bit body high temperature and wearing and tearing too fast to when having prolonged the use of drill bit body, practiced thrift the cost.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a bottom view of the drill body of the present invention;
FIG. 3 is a front view of the shaft and the helical blade of the present invention;
reference numerals: 1. a drill bit body; 2. a first blade; 3. a second blade; 4. cutting teeth; 5. a chip groove; 6. a shaft lever; 7. a helical blade; 8. a connecting cylinder; 9. a crushing blade; 10. a bearing; 11. fixing a column; 12. a water spray hole; 13. and a baffle plate.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
Specific embodiments of the present invention will be described below with reference to the accompanying drawings.
Examples
As shown in fig. 1-3, a drill bit for directional drilling comprises a drill bit body 1, wherein two first blades 2 and two second blades 3 are fixedly arranged at the bottom of the drill bit body 1, the two first blades 2 and the two second blades 3 are arranged in a staggered manner, and a plurality of cutting teeth 4 are fixedly arranged on the first blades 2 and the second blades 3; the top surface of the drill bit body 1 is fixedly provided with a shaft lever 6, the shaft lever 6 is fixedly provided with a helical blade 7, the shaft lever 6 is sleeved with a connecting cylinder 8, the connecting cylinder 8 is rotatably connected with the shaft lever 6, the shaft lever 6 is sleeved with a bearing 10, an inner ring of the bearing 10 is fixedly connected with the outer surface of the shaft lever 6, the outer ring of the bearing 10 is fixedly connected with four fixing columns 11, the other ends of the four fixing columns 11 are fixedly connected with the inner wall of the connecting cylinder 8, the inner wall of the connecting cylinder 8 is fixedly provided with a plurality of crushing blades 9 at equal intervals, the crushing blades 9 are made of stainless steel, the drill bit body 1 is provided with a plurality of chip discharge grooves 5 in a penetrating manner, the drill bit body 1 is fixedly provided with a plurality of baffles 13, the drill bit body 1 is provided with a plurality of water spray holes 12 in a penetrating manner, the shaft lever 6 is of a cavity structure, the cavity of the shaft lever.
The working principle is as follows: during drilling, it is rotatory to drive axostylus axostyle 6 through using drive arrangement, and then drive drill bit body 1 and rotate, and then drive first wing of a knife 2, second wing of a knife 3 is rotatory, and then make first wing of a knife 2, cutting teeth 4 on the second wing of a knife 3 are rotatory and to drilling the ground of shaft bottom, the detritus that can produce during drilling, the detritus can move the top of drill bit body 1 through chip groove 5, and then enter into connecting cylinder 8, because be provided with helical blade 7 on the axostylus axostyle 6, the detritus that enters into in connecting cylinder 8 can be upwards conveyed and finally sent out by helical blade 7, the detritus on helical blade 7 can contact with crushing blade 9 simultaneously, under the frictional action of crushing blade 9 and rotatory helical blade 7, can further smash the detritus, thereby avoid the detritus to block up connecting cylinder 8.
When the drill bit body 1 is at the during operation, can generate heat, send out the boiling hot, through the cavity water injection to axostylus axostyle 6, because the cavity of axostylus axostyle 6 is with hole for water spraying 12 intercommunication, so water in the axostylus axostyle 6 can be through hole for water spraying 12 blowout, and the water of blowout water can cool down drill bit body 1, avoids drill bit body 1 high temperature and wearing and tearing too fast to when having prolonged the use of drill bit body 1, practiced thrift the cost.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A drill bit for directional drilling, comprising a bit body (1), characterized in that:
the drill bit comprises a drill bit body (1), wherein two first blades (2) and two second blades (3) are fixedly arranged at the bottom of the drill bit body (1), the two first blades (2) and the two second blades (3) are arranged in a staggered mode, and a plurality of cutting teeth (4) are fixedly arranged on the first blades (2) and the second blades (3); the drill bit comprises a drill bit body (1) and is characterized in that a shaft rod (6) is fixedly arranged on the top surface of the drill bit body (1), a helical blade (7) is fixedly arranged on the shaft rod (6), a connecting cylinder (8) is sleeved on the shaft rod (6), and the connecting cylinder (8) is rotatably connected with the shaft rod (6).
2. A drill bit for directional drilling according to claim 1, wherein: the bearing (10) is sleeved on the shaft lever (6), the inner ring of the bearing (10) is fixedly connected with the outer surface of the shaft lever (6), the outer ring of the bearing (10) is fixedly connected with four fixing columns (11), and the other ends of the four fixing columns (11) are fixedly connected with the inner wall of the connecting cylinder (8).
3. A drill bit for directional drilling according to claim 1, wherein: a plurality of crushing blades (9) are fixedly arranged on the inner wall of the connecting cylinder (8) at equal intervals, and the crushing blades (9) are made of stainless steel.
4. A drill bit for directional drilling according to claim 1, wherein: the drill bit is characterized in that a plurality of chip grooves (5) penetrate through the drill bit body (1), and a plurality of baffle plates (13) are fixedly arranged on the drill bit body (1).
5. A drill bit for directional drilling according to claim 1, wherein: the drill bit comprises a drill bit body (1), wherein a plurality of water spraying holes (12) are arranged in the drill bit body in a penetrating mode, a shaft rod (6) is of a cavity structure, and a cavity of the shaft rod (6) is communicated with the plurality of water spraying holes (12).
6. A drill bit for directional drilling according to claim 5, wherein: the shaft lever (6) is made of stainless steel, and the wall thickness of the shaft lever (6) is 5-8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022370652.8U CN213234940U (en) | 2020-10-22 | 2020-10-22 | Drill bit for directional drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022370652.8U CN213234940U (en) | 2020-10-22 | 2020-10-22 | Drill bit for directional drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213234940U true CN213234940U (en) | 2021-05-18 |
Family
ID=75879715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022370652.8U Active CN213234940U (en) | 2020-10-22 | 2020-10-22 | Drill bit for directional drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213234940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115245079A (en) * | 2022-01-20 | 2022-10-28 | 刘洁 | Garden planting land drilling machine and drilling blade |
-
2020
- 2020-10-22 CN CN202022370652.8U patent/CN213234940U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115245079A (en) * | 2022-01-20 | 2022-10-28 | 刘洁 | Garden planting land drilling machine and drilling blade |
| CN115245079B (en) * | 2022-01-20 | 2023-04-25 | 刘洁 | Garden planting ground drilling machine and drilling blade |
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