CN216277710U - Rock geology drill bit of superhard material - Google Patents
Rock geology drill bit of superhard material Download PDFInfo
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- CN216277710U CN216277710U CN202123020771.1U CN202123020771U CN216277710U CN 216277710 U CN216277710 U CN 216277710U CN 202123020771 U CN202123020771 U CN 202123020771U CN 216277710 U CN216277710 U CN 216277710U
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- pullover
- drill bit
- groove
- sleeve head
- drill
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Abstract
The utility model belongs to an ultrahard rock geological drill bit, which comprises a connector and an inner sleeve head, wherein the inner sleeve head is arranged at the lower end of the connector, a drill bit structure is arranged on the inner sleeve head, and the drill bit structure comprises: outer pullover, thread groove, kerve, bolt, convex layer, alloy bore, helicla flute, arc and bore, superhard drillblock and chip removal portion, outer pullover suit is in the interior pullover, the thread groove is opened terminal surface under the interior pullover, the arc bores the setting terminal surface under the outer pullover and the excessive department of side surface, superhard drillblock is the annular distribution terminal surface under the outer pullover, chip removal portion sets up in outer pullover with in the interior pullover, the structure of changing the drill bit can be dismantled to the components of a whole that can function independently that the utility model adopted to have the alloy of spiral distribution around and bore to and the spiral bit that the bottom has inclination.
Description
Technical Field
The utility model belongs to the technical field of geological drill bits, and particularly relates to an ultrahard rock geological drill bit.
Background
Top end of window body
The bit is the main tool for breaking rock in the drilling process, the well is formed by breaking rock with the bit, the quality of a well is good, the time used is related to the mutual matching degree between the bit and the stratum besides the characteristics of the rock of the stratum to be drilled and the performance of the bit, the reasonable selection of the bit plays an important role in improving the drilling speed and reducing the comprehensive drilling cost, the bit is one of important tools for petroleum drilling work, and particularly has great influence on the drilling quality, the drilling speed and the drilling cost, and the PDC bit is a rock breaking tool widely used in the current petroleum and natural gas exploration and development industries.
The existing rock geological drill bit is used for hard rock, has large abrasion and slow drilling speed, and is easy to generate hole inclination when drilling in an inhomogeneous stratum, so that the drill bit is subjected to the action of concentrated stress, the abrasion of a composite sheet is aggravated or the composite sheet is suddenly damaged, and the drilling quality is reduced.
The bottom end of the window body.
SUMMERY OF THE UTILITY MODEL
In order to achieve the purpose, the utility model adopts the technical scheme that the superhard rock geological drill bit comprises a connector and an inner sleeve head, wherein the inner sleeve head is arranged at the lower end of the connector, and a drill bit structure is arranged on the inner sleeve head;
the drill bit structure includes: the device comprises an outer sleeve head, a thread groove, a bottom groove, a bolt, a convex layer, an alloy drill, a spiral groove, an arc drill, a superhard drill block and a chip removal part;
the overcoat headgear dress is in the endotheca is overhead, the thread groove is opened terminal surface under the endotheca head, the kerve is opened overcoat head bottom surface, the bolt passes the kerve is twisted soon and is connected in the thread groove, the jube sets up overcoat head side surface, the helicla flute is opened overcoat head side surface, the arc is bored and is set up terminal surface and the excessive department of side surface under the overcoat head, superhard drillblock is the annular and is distributed terminal surface under the overcoat head, chip removal portion sets up overcoat head with in the endotheca head.
Further, the chip discharging part includes: the device comprises a groove, a spiral drill bit, a drainage cavity and a through hole;
the groove is formed in the bottom surface of the outer sleeve head, the spiral drill bit is fixed on the inner wall of the groove in an inclined mode, the drainage cavity is formed in the inner sleeve head, and the through hole is formed in the groove.
Preferably, the convex layer is fixed on the lateral surface of the coat head in a spiral shape.
Preferably, the lower end face of the casing head and the right angle of the side end face are in arc transition.
Preferably, the cross section of the convex layer is of a semicircular structure.
Compared with the prior art, the utility model has the advantages and positive effects that the structure of the drill bit is detachable and replaceable in a split manner, the alloy drill distributed spirally is arranged around the drill bit, and the spiral drill bit with the inclined angle at the bottom is adopted.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
FIG. 1 is a schematic structural view of an ultrahard rock geological drill bit according to the present embodiment;
in the above figures, 1, a connector; 2. an inner sleeve head; 3. an outer sleeve head; 4. a thread groove; 5. a bottom groove; 6. a bolt; 7. a convex layer; 8. alloy drilling; 9. a helical groove; 10. arc drilling; 11. a superhard drill block; 12. a groove; 13. a helical drill bit; 14. a drainage lumen; 15. and a through hole.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
In the embodiment, as can be seen from the attached drawing 1 of the specification, the scheme includes a connector 1 and an inner sleeve head 2, wherein the inner sleeve head 2 is arranged at the lower end of the connector 1, and a drill bit structure is arranged on the inner sleeve head 2;
the drill bit structure includes: the device comprises an outer sleeve head 3, a thread groove 4, a bottom groove 5, a bolt 6, a convex layer 7, an alloy drill 8, a spiral groove 9, an arc drill 10, a superhard drill block 11 and a chip removal part;
the outer sleeve head 3 is sleeved on the inner sleeve head 2, the thread groove 4 is formed in the lower end face of the inner sleeve head 2, the bottom groove 5 is formed in the bottom face of the outer sleeve head 3, the bolt 6 penetrates through the bottom groove 5 and is connected in the thread groove 4 in a screwing mode, the convex layer 7 is arranged on the side surface of the outer sleeve head 3, the spiral groove 9 is formed in the side surface of the outer sleeve head 3, the arc-shaped drill 10 is arranged at the transition position of the lower end face and the side surface of the outer sleeve head 3, the superhard drill blocks 11 are annularly distributed on the lower end face of the outer sleeve head 3, and the chip removal portion is arranged in the outer sleeve head 3 and the inner sleeve head 2;
the chip removal portion includes: a groove 12, a spiral drill 13, a drain cavity 14 and a through hole 15;
the groove 12 is formed in the bottom surface of the outer sleeve head 3, the spiral drill bit 13 is fixed on the inner wall of the groove 12 in an inclined manner, the drainage cavity 14 is formed in the inner sleeve head 2, and the through hole 15 is formed in the groove 12;
the convex layer 7 is fixed on the side surface of the outer sleeve head 3 in a spiral shape, the right angle between the lower end surface of the outer sleeve head 3 and the side end surface is in arc transition, and the cross section of the convex layer 7 is in a semicircular structure.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (5)
1. The superhard rock geological drill bit comprises a connector (1) and an inner sleeve head (2), wherein the inner sleeve head (2) is arranged at the lower end of the connector (1), and is characterized in that a drill bit structure is arranged on the inner sleeve head (2);
the drill bit structure includes: the device comprises an outer sleeve head (3), a thread groove (4), a bottom groove (5), a bolt (6), a convex layer (7), an alloy drill (8), a spiral groove (9), an arc drill (10), a superhard drill block (11) and a chip removal part;
outer pullover (3) suit is in on the inner pullover (2), thread groove (4) are opened terminal surface under inner pullover (2), kerve (5) are opened outer pullover (3) bottom surface, bolt (6) are passed kerve (5) are twisted soon and are connected in thread groove (4), protruding layer (7) set up outer pullover (3) side surface, spiral groove (9) are opened outer pullover (3) side surface, arc drill (10) set up terminal surface and the excessive department of side surface under outer pullover (3), superhard drilling block (11) are the annular distribution and are in terminal surface under outer pullover (3), the chip removal portion sets up outer pullover (3) with in inner pullover (2).
2. An ultrahard rock geological drill according to claim 1, characterized in that said chip evacuation means comprises: the drill bit comprises a groove (12), a spiral drill bit (13), a drainage cavity (14) and a through hole (15);
the groove (12) is arranged on the bottom surface of the outer sleeve head (3), the spiral drill bit (13) is obliquely fixed on the inner wall of the groove (12), the drainage cavity (14) is arranged in the inner sleeve head (2), and the through hole (15) is arranged in the groove (12).
3. An ultrahard rock geological drill according to claim 1, characterized in that said raised layer (7) is fixed helically on the lateral surface of said casing head (3).
4. An ultrahard rock geological drill according to claim 1, characterized in that the lower end face and the right angle of the side end face of the casing head (3) are in arc transition.
5. An ultrahard rock geological drill according to claim 1, characterized in that said raised layer (7) is of semi-circular cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123020771.1U CN216277710U (en) | 2021-12-03 | 2021-12-03 | Rock geology drill bit of superhard material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123020771.1U CN216277710U (en) | 2021-12-03 | 2021-12-03 | Rock geology drill bit of superhard material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216277710U true CN216277710U (en) | 2022-04-12 |
Family
ID=81043237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123020771.1U Active CN216277710U (en) | 2021-12-03 | 2021-12-03 | Rock geology drill bit of superhard material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216277710U (en) |
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2021
- 2021-12-03 CN CN202123020771.1U patent/CN216277710U/en active Active
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