CN209212163U - A kind of multitool wing drill bit of insert floating composite teeth - Google Patents
A kind of multitool wing drill bit of insert floating composite teeth Download PDFInfo
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- CN209212163U CN209212163U CN201821902780.9U CN201821902780U CN209212163U CN 209212163 U CN209212163 U CN 209212163U CN 201821902780 U CN201821902780 U CN 201821902780U CN 209212163 U CN209212163 U CN 209212163U
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- wing
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- bit
- composite teeth
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Abstract
The utility model discloses a kind of multitool wing drill bit of insert floating composite teeth, including integrally formed bit matrix and drill bit, multiple wings are equipped on drill bit along clockwise direction, each wing is equipped with multiple perforations；Floating composite teeth is respectively arranged in each perforation.For the drill bit of the multitool wing drill bit of the utility model insert floating composite teeth compared with the existing technology, have the advantages that rock breaking capacity is stronger, bit life is longer, and improve the working index of drill bit, reduce drilling cost.
Description
Technical field
The utility model relates to oil bit fields, and in particular to a kind of multitool wing drill bit of insert floating composite teeth.
Background technique
In petroleum geology drilling process, the hard formation containing gravel is encountered, the cutting tooth being prone to wear on wing reduces work
Make efficiency, improves drilling cost.In addition, the drilling well of the prior art mostly uses Mixed drilling bit, but the composite drill bit of the prior art exists
All be that compound tooth post is brazed on the arc-shaped pit face in the wing end of steel body in manufacture, also tooth post be brazed at wing end
Perforation in.Therefore, the service life for how extending drill bit improves the drilling efficiency of composite drill bit, is those skilled in the art
The technical issues that need to address at present.
Utility model content
In order to solve the above technical problems, the main purpose of the utility model is to provide a kind of multitool of insert floating composite teeth
Wing drill bit, the drill bit are avoided that cutting tooth eccentric wear by the way that floating composite teeth is arranged on wing.In addition, it is compound to float in insert
Gear wheel is installed on the drill bit of tooth and forms composite drill bit, drilling efficiency can be significantly improved.
In order to achieve the above object, the utility model is resolved using following technical scheme.
A kind of multitool wing drill bit of insert floating composite teeth, including integrally formed bit matrix and drill bit, drill bit
Multiple wings are equipped on bizet along clockwise direction, each wing is equipped with multiple perforations；It is respectively arranged in each perforation floating
Dynamic composite teeth.
Further, floating composite teeth includes floating ring gear, hard alloy tooth post and fixed gear shaft；The center of floating ring gear
It is provided with annular distance, one end of floating ring gear is provided with ring gear wear-resistant alloy layer；Hard alloy tooth post is fixedly connected on each wing
Perforation in；The longitudinal section of fixed gear shaft be it is T-shaped, fixed gear shaft includes axle portion and flange part；Floating ring gear is fixed gear shaft
It is fixedly connected in hard alloy tooth post, and the ring gear wear-resistant alloy layer of floating ring gear is towards outside；Floating ring gear and fixed gear
There are radial clearances between the axle portion of axis, and there are axial gaps between floating ring gear and the flange part of fixed gear shaft.
Further, the radial clearance range between floating ring gear and the axle portion of fixed gear shaft is 0.1mm-0.3mm,
Axial gap range between floating ring gear and the flange part of fixed gear shaft is 0.3mm-0.8mm.
Further, the first wing, the second wing, third wing and the 4th knife are equipped on drill bit along clockwise direction
The wing；Perforation on third wing equidistantly misplaces on rotational trajectory with the perforation on the first wing；Perforation on 4th wing with
Perforation on first wing is overlapped on rotational trajectory, and the perforation on the second wing and third wing is overlapped on rotational trajectory.
Further, it is laid with five floating composite teeths on the first wing, four are laid on third wing and is floated again
Close tooth；Three floating composite teeths, the rotational trajectory of three floating composite teeths and three, the first wing outside are laid on 4th wing
The rotational trajectory of floating composite teeth is overlapped；Three floating composite teeths, the rotation rail of three floating composite teeths are laid on second wing
Mark is overlapped with the rotational trajectory of three floating composite teeths on the outside of third wing.
Further, group is welded with bit leg gear wheel assembly on the bit matrix between the first wing and the 4th wing；Second knife
Group is welded with bit leg gear wheel assembly on bit matrix between the wing and third wing.
Further, bit leg gear wheel assembly includes bit leg, gear wheel and steel ball；Axle journal, axle journal lower end are provided on bit leg
Be provided on cylindrical surface around journal centre's collar around outer wall arc groove；Gear wheel is provided with and the matched installing blind of axle journal, peace
The side wall of dress blind hole is provided with and the matched inner wall arc groove of outer wall arc groove；Gear wheel is sleeved on axle journal, outer wall arc groove and
Steel ball is filled between inner wall arc groove.
Further, the lateral surface of each wing is provided with bit gauge protection portion；Top is that a gauge falls cutting tooth, lower part
For a gauge composite teeth, the end face of gauge composite teeth is provided with plycrystalline diamond Buddha's warrior attendant layer；Gauge fall cutting tooth and gauge composite teeth it
Between heap be welded with gauge wear-resistant alloy layer.
Further, water-jet system is provided in bit matrix, water-jet system includes core jet pipe, Xie Shui
Hole, nozzle and sealing ring；The central axes of core jet pipe are overlapped with the central axes of bit matrix；The two of first wing and third wing
Side is respectively arranged with oblique water hole, and the upper end in oblique water hole is connected to core jet pipe, and the lower end in oblique water hole is provided with internal screw thread；On nozzle
Be provided with the matched external screw thread of internal screw thread with oblique water hole lower end, nozzle is mounted on the lower end in oblique water hole, oblique water hole and nozzle it
Between sealing ring is set.
For the drill bit of the multitool wing drill bit of the utility model insert floating composite teeth compared with the existing technology, there is broken rock
The advantage that ability is stronger, bit life is longer, and improve the working index of drill bit, reduce drilling cost.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is a kind of rotation diagrammatic cross-section of embodiment of the utility model multitool wing drill bit；
Fig. 2 is the bottom view of the utility model multitool wing drill bit；
Fig. 3 is the structural schematic diagram of floating composite teeth；
Fig. 4 is the structural schematic diagram of bit leg gear wheel assembly；
Fig. 5 is the structural schematic diagram of bit leg；
Fig. 6 is the structural schematic diagram of gear wheel；
Fig. 7 is the structural schematic diagram of gauge composite teeth.
In the above figure: 1 bit matrix；11 core jet pipes；12 oblique water holes；13 nozzles；14 sealing rings；2 drill bits；3
Wing；31 first wings；32 second wings；33 third wings；34 the 4th wings；4 floating composite teeths；41 floating ring gears；411
Ring gear wear-resistant alloy layer；42 hard alloy tooth posts；43 fixed gear shafts；431 axle portions；432 flange parts；5 bit legs；51 axle journals；Outside 511
Wall arc groove；6 gear wheels；61 installing blinds；611 inner wall arc grooves；7 steel balls；8 bit gauge protection portions；81 gauges fall cutting tooth；82 protect
Diameter composite teeth；821 plycrystalline diamond Buddha's warrior attendant layers；83 gauge wear-resistant alloy layers.
Specific embodiment
It is understandable in order to enable the above objects, features, and advantages of the utility model to become apparent, it is right with reference to the accompanying drawing
Specific embodiment of the present utility model is described in detail.
Elaborate detail in the following description in order to fully understand the utility model.But the utility model can
It is different from other way described herein with a variety of and implements, those skilled in the art can be without prejudice to the utility model connotation
In the case where do similar popularization.Therefore the utility model is not limited by following public specific embodiment.
With reference to Fig. 1, a kind of 3 drill bit of the multitool wing of insert floating composite teeth 4, including integrally formed bit matrix 1 and brill
Crown 2, multiple wings 3 are equipped on the drill bit 2 along clockwise direction, and each wing 3 is equipped with multiple perforations；Each
Floating composite teeth 4 is respectively arranged in perforation.
With reference to Fig. 3, further, the floating composite teeth 4 includes floating ring gear 41, hard alloy tooth post 42 and fixed gear
Axis 43；The floating ring gear 41 is provided centrally with annular distance, and one end of floating ring gear 41 is provided with ring gear wear-resistant alloy layer 411；
The hard alloy tooth post 42 is fixedly connected in the perforation of each wing 3；
The longitudinal section of the fixed gear shaft 43 be it is T-shaped, fixed gear shaft 43 includes axle portion 431 and flange part 432；It is described floating
Movable tooth ring 41 is fixed gear shaft 43 and is fixedly connected in hard alloy tooth post 42, and the ring gear wear-resistant alloy layer of floating ring gear 41
411 towards outside；There are radial clearance, the floating ring gears between the floating ring gear 41 and the axle portion 431 of fixed gear shaft 43
There are axial gaps between 41 and the flange part 432 of fixed gear shaft 43.
In the present embodiment, in order to avoid floating composite teeth 4 is in fixed place abrasion, it is provided with mobilizable floating ring gear
41.In order to reinforce the cutting power of floating composite teeth 4, it is wear-resisting that one end of the floating ring gear 41 of floating composite teeth 4 is provided with ring gear
Alloy-layer 411.
Further, the radial clearance range between the floating ring gear 41 and the axle portion 431 of fixed gear shaft 43 is
0.1mm-0.3mm, preferred 0.2mm in the present embodiment；Between the floating ring gear 41 and the flange part 432 of fixed gear shaft 43
Axial gap range is 0.3mm-0.8mm；Preferred 0.5mm in the present embodiment.
With reference to Fig. 1 and Fig. 2, further, the first wing 31, the second wing are equipped on drill bit 2 along clockwise direction
32, third wing 33 and the 4th wing 34；The perforation on perforation and the first wing 31 on third wing 33 is on rotational trajectory
Equidistant dislocation；Perforation on 4th wing 34 is overlapped on rotational trajectory with the perforation on the first wing 31,32 He of the second wing
Perforation on third wing 33 is overlapped on rotational trajectory.Cutting tooth on each wing 3 is equidistantly misplaced on rotational trajectory, is bored
The cutting tooth on each wing 3 cuts bottom rock to head at work, obtains bottom rock efficiently comprehensively broken.
With reference to Fig. 1 and Fig. 2, further, five floating composite teeths 4, third wing are laid on first wing 31
Four floating composite teeths 4 are laid on 33；Three floating composite teeths 4, three floating composite teeths 4 are laid on 4th wing 34
The rotational trajectories of the 31 three floating composite teeths 4 in outside of rotational trajectory and the first wing be overlapped；Three are laid on second wing 32
Floating composite teeth 4, the rotation of the 33 three floating composite teeths 4 in outside of rotational trajectory and third wing of three floating composite teeths 4
Mark of going through transition is overlapped.
Referring to figs. 1 to Fig. 6, further, group is welded on the bit matrix 1 between the first wing 31 and the 4th wing 34
Bit leg gear wheel assembly；Group is welded with bit leg gear wheel assembly on bit matrix 1 between second wing 32 and third wing 33.
Further, the bit leg gear wheel assembly includes bit leg 5, gear wheel 6 and steel ball 7；
It is provided with axle journal 51 on the bit leg 5, is provided on the 51 lower end cylindrical surface of axle journal around 51 central collar of axle journal
Around outer wall arc groove 511；
The gear wheel 6 be provided with the matched installing blind 61 of axle journal 51, the side wall of installing blind 61 be provided with it is described
The matched inner wall arc groove 611 of outer wall arc groove 511；
The gear wheel 6 is sleeved on the axle journal 51, is filled between the outer wall arc groove 511 and inner wall arc groove 611
There is steel ball 7.
With reference to Fig. 1, further, the lateral surface of each wing 3 is provided with bit gauge protection portion 8；Top is that a gauge is fallen
Cutting tooth 81, lower part are a gauge composite teeth 82, and the end face of the gauge composite teeth 82 is provided with plycrystalline diamond Buddha's warrior attendant layer 821；It protects
Diameter falls heap between cutting tooth 81 and gauge composite teeth 82 and is welded with gauge wear-resistant alloy layer 83.
With reference to Fig. 1, further, is cut to clear up shaft bottom rock, is provided with water-jet system in the bit matrix 1,
The water-jet system includes core jet pipe 11, oblique water hole 12, nozzle 13 and sealing ring 14；
The central axes of the core jet pipe 11 are overlapped with the central axes of bit matrix 1；
The two sides of first wing 31 and third wing 33 are respectively arranged with oblique water hole 12, the upper end in the oblique water hole 12
It is connected to core jet pipe 11, the lower end in oblique water hole 12 is provided with internal screw thread；
The matched external screw thread of internal screw thread with oblique 12 lower end of water hole is provided on the nozzle 13, the nozzle 13 is mounted on
The lower end in oblique water hole 12；Sealing ring 14 is set between the oblique water hole 12 and nozzle 13.When drilling well, from externally input high speed mud
Slurry enters two oblique water holes 12 from core jet pipe 11, rushes at the surface of gear wheel 6, high velocity mud can carry to be returned on the landwaste of shaft bottom.
Although having made to retouch in detail to the utility model with a general description of the specific embodiments in this specification
It states, but on the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the utility model belong to the requires of the utility model guarantor
The range of shield.
Claims (9)
1. a kind of multitool wing drill bit of insert floating composite teeth, including integrally formed bit matrix (1) and drill bit (2),
It is characterized in that, being equipped with multiple wings (3) along clockwise direction on the drill bit (2), each wing (3) is equipped with multiple
Perforation；Floating composite teeth (4) are respectively arranged in each perforation.
2. the multitool wing drill bit of insert floating composite teeth according to claim 1, which is characterized in that the floating composite teeth
(4) comprising floating ring gear (41), hard alloy tooth post (42) and fixation gear shaft (43)；
The floating ring gear (41) is provided centrally with annular distance, and one end of floating ring gear (41) is provided with ring gear wear-resistant alloy layer
(411)；
The hard alloy tooth post (42) is fixedly connected in the perforation of each wing (3)；
The longitudinal section of the fixed gear shaft (43) be it is T-shaped, fixed gear shaft (43) include axle portion (431) and flange part (432)；
The floating ring gear (41) is fixed gear shaft (43) and is fixedly connected on hard alloy tooth post (42), and floating ring gear (41)
Ring gear wear-resistant alloy layer (411) towards outside；
There are radial clearance, the floating ring gears between the floating ring gear (41) and the axle portion (431) of fixed gear shaft (43)
(41) there are axial gaps between the flange part (432) of fixed gear shaft (43).
3. the multitool wing drill bit of insert floating composite teeth according to claim 2, which is characterized in that the floating ring gear
(41) the radial clearance range between the axle portion (431) of fixed gear shaft (43) is 0.1mm-0.3mm, the floating ring gear (41)
Axial gap range between the flange part (432) of fixed gear shaft (43) is 0.3mm-0.8mm.
4. the multitool wing drill bit of insert floating composite teeth according to claim 1, which is characterized in that the drill bit
(2) the first wing (31), the second wing (32), third wing (33) and the 4th wing (34) are equipped on along clockwise direction；The
Perforation on three wings (33) equidistantly misplaces on rotational trajectory with the perforation on the first wing (31)；On 4th wing (34)
Perforation is overlapped on rotational trajectory with the perforation on the first wing (31), the perforation on the second wing (32) and third wing (33)
It is overlapped on rotational trajectory.
5. the multitool wing drill bit of insert floating composite teeth according to claim 4, which is characterized in that first wing
(31) it is laid with five floating composite teeths (4) on, four floating composite teeths (4) are laid on third wing (33)；4th wing
(34) three floating composite teeths (4), rotational trajectory and the first wing (31) outside of three floating composite teeths (4) are laid on
The rotational trajectory of three floating composite teeths (4) is overlapped；Three floating composite teeths (4) of laying on second wing (32), described three
The rotational trajectory of floating composite teeth (4) is overlapped with the rotational trajectory of three floating composite teeths (4) on the outside of third wing (33).
6. the multitool wing drill bit of insert floating composite teeth according to claim 5, which is characterized in that the first wing (31) with
Group is welded with bit leg gear wheel assembly on bit matrix (1) between 4th wing (34)；Second wing (32) and third wing (33)
Between bit matrix (1) on group be welded with bit leg gear wheel assembly.
7. the multitool wing drill bit of insert floating composite teeth according to claim 6, which is characterized in that the bit leg gear wheel is total
At including bit leg (5), gear wheel (6) and steel ball (7)；It is provided with axle journal (51) on the bit leg (5), axle journal (51) the lower end circle
Be provided on cylinder around axle journal (51) central collar around outer wall arc groove (511)；The gear wheel (6) is provided with and axle journal (51)
Matched installing blind (61), the side wall of installing blind (61) are provided with and the matched inner wall arc of outer wall arc groove (511)
Shape slot (611)；The gear wheel (6) is sleeved on the axle journal (51), the outer wall arc groove (511) and inner wall arc groove
(611) steel ball (7) are filled between.
8. the multitool wing drill bit of insert floating composite teeth according to claim 1, which is characterized in that each wing (3)
Lateral surface is provided with bit gauge protection portion (8)；Top is that a gauge is fallen cutting tooth (81), and lower part is a gauge composite teeth
(82), the end face of the gauge composite teeth (82) is provided with plycrystalline diamond Buddha's warrior attendant layer (821)；Gauge fall cutting tooth (81) and gauge it is compound
Heap is welded with gauge wear-resistant alloy layer (83) between tooth (82).
9. the multitool wing drill bit of insert floating composite teeth according to claim 4, which is characterized in that the bit matrix
(1) water-jet system is provided in, the water-jet system includes core jet pipe (11), oblique water hole (12), nozzle (13)
With sealing ring (14)；The central axes of the core jet pipe (11) are overlapped with the central axes of bit matrix (1)；First wing
(31) it is respectively arranged with oblique water hole (12) with the two sides of third wing (33), the upper end of the oblique water hole (12) and core jet pipe
(11) it is connected to, the lower end of oblique water hole (12) is provided with internal screw thread；It is provided on the nozzle (13) and oblique water hole (12) lower end
The matched external screw thread of internal screw thread, the nozzle (13) are mounted on the lower end of oblique water hole (12)；The oblique water hole (12) and nozzle
(13) sealing ring (14) are set between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821902780.9U CN209212163U (en) | 2018-11-19 | 2018-11-19 | A kind of multitool wing drill bit of insert floating composite teeth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821902780.9U CN209212163U (en) | 2018-11-19 | 2018-11-19 | A kind of multitool wing drill bit of insert floating composite teeth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209212163U true CN209212163U (en) | 2019-08-06 |
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ID=67460056
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821902780.9U Active CN209212163U (en) | 2018-11-19 | 2018-11-19 | A kind of multitool wing drill bit of insert floating composite teeth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209212163U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386237A (en) * | 2018-11-19 | 2019-02-26 | 三原石油钻头厂 | A kind of multitool wing drill bit of insert floating composite teeth |
| CN112177531A (en) * | 2020-09-03 | 2021-01-05 | 祁东县锋速钻探工具有限公司 | Combined type geological drill bit with silt-preventing and hole-blocking functions |
-
2018
- 2018-11-19 CN CN201821902780.9U patent/CN209212163U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386237A (en) * | 2018-11-19 | 2019-02-26 | 三原石油钻头厂 | A kind of multitool wing drill bit of insert floating composite teeth |
| CN109386237B (en) * | 2018-11-19 | 2024-04-30 | 三原石油钻头厂 | Multi-blade drill bit inlaid with floating composite teeth |
| CN112177531A (en) * | 2020-09-03 | 2021-01-05 | 祁东县锋速钻探工具有限公司 | Combined type geological drill bit with silt-preventing and hole-blocking functions |
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