CN213869759U - Rotary drilling type composite drill bit - Google Patents
Rotary drilling type composite drill bit Download PDFInfo
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- CN213869759U CN213869759U CN202022692147.5U CN202022692147U CN213869759U CN 213869759 U CN213869759 U CN 213869759U CN 202022692147 U CN202022692147 U CN 202022692147U CN 213869759 U CN213869759 U CN 213869759U
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Abstract
The utility model discloses a gyration formula of creeping into composite drill bit, including drill bit and drilling rod, the drill bit cooperation is used there is the drilling rod, and the drill bit inner wall has seted up the inside groove, the drilling rod outer wall corresponds inside groove position and has seted up the limit groove, and limit inslot wall has the joint piece through spring coupling to joint piece and limit groove sliding connection. Has the advantages that: the utility model discloses a drill bit and drilling rod, the limit groove is seted up to the drilling rod surface in this device, pass through spring coupling joint piece in the limit groove, in the in-process of drill bit installation, can insert the drilling rod in the drill bit, drill bit extrusion joint piece contracts to limit inslot portion to the joint piece, along with constantly inserting of drilling rod, when the joint piece is aimed at the inside groove, the spring promotes in the joint piece enters into the inside groove, can accomplish the installation, drill bit and drilling rod fixed connection after the installation, make the drilling rod can drive the drill bit and revolve the rotation, the condition that drops easily when having solved traditional drill bit gyration, the installation is more stable, and simultaneously, the installation is convenient and fast more.
Description
Technical Field
The utility model relates to a composite drill bit technical field particularly, relates to a gyration formula composite drill bit that creeps into.
Background
The quality and type of PDC cutting teeth are changed greatly in the past years, if the teeth in the 20 th century and the 80 th year are compared with the teeth at present, the difference is quite large, the quality performance of the cutting teeth at present is much better due to the change of a mixing process and a manufacturing process, and the erosion resistance and the impact resistance of the drill bit are greatly improved.
However, when the drill bit at the present stage is connected with a drill rod, a spiral installation mode is usually adopted, the drill bit is provided with threads, but the mode is suitable for unidirectional rotation, the threads are easy to fall off during rotation, the drill bit falls off, manual fishing is troublesome, and meanwhile, the drain holes of the traditional composite drill bit are less, so that once blockage occurs, water cannot be well drained, the phenomenon that impurities are not discharged smoothly is caused, the stability of drilling is influenced, and improvement can be further made.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a gyration drilling type composite drill bit possesses convenient gyration, reduces and drops, simple to operate, uses stable advantage, and then solves the problem among the above-mentioned background art.
(II) technical scheme
For the above-mentioned advantage that makes things convenient for the gyration, reduces to drop, simple to operate, use stable, the utility model discloses a concrete technical scheme as follows:
the utility model provides a gyration formula of creeping into composite drill bit, includes drill bit and drilling rod, the drill bit cooperation is used there is the drilling rod, and the drill bit inner wall has seted up the inside groove, the drilling rod outer wall corresponds the inside groove position and has seted up the limit groove, and limit inslot wall has the joint piece through spring coupling to joint piece and limit groove sliding connection, the fixed welding of drill bit one end has the bit leg, and the welding of bit leg top surface has the brill tooth to the bit leg surface runs through and has seted up the hole of permeating water.
Furthermore, the drill teeth are arranged in a staggered mode, and a plurality of drill teeth are arranged at equal angles.
Furthermore, the holes of permeating water are opened a plurality of, and the holes of permeating water are densely opened, and the diameter of the holes of permeating water is not less than the maximum diameter of the drill teeth.
Furthermore, the arc edge is opened on the surface of one end of each clamping block, the clamping blocks are opened in a plurality of numbers, and the clamping blocks are arranged in a staggered mode.
Further, the drill bit internal diameter equals the drilling rod external diameter, the vertical biggest cross-sectional dimension of joint piece equals the vertical cross-sectional dimension of inside groove.
Furthermore, the two ends of the spring are respectively fixedly connected with one end of the clamping block and the inner wall of the side groove.
(III) advantageous effects
Compared with the prior art, the utility model provides a gyration is crept into formula composite drill bit possesses following beneficial effect:
(1) the utility model discloses a drill bit and drilling rod, the limit groove is seted up to the drilling rod surface in this device, pass through spring coupling joint piece in the limit groove, at the in-process of drill bit installation, can insert the drilling rod in the drill bit, drill bit extrusion joint piece contracts to limit inslot portion to the joint piece, along with constantly inserting of drilling rod, when the joint piece is aimed at the inside groove, the spring promotes in the joint piece enters into the inside groove, can accomplish the installation, drill bit and drilling rod fixed connection after the installation, make the drilling rod can drive the drill bit and revolve the rotation, the condition that drops easily when having solved traditional drill bit gyration, the installation is more stable, and simultaneously, the installation is convenient and fast more.
(2) The utility model discloses a hole of permeating water, the hole of permeating water is seted up on the surface of palm of the tooth, avoids the brill tooth to set up, and the sparge water washs drilling through the hole outflow of permeating water of drill bit one end, washs the hole outflow drilling in the drill bit one end outside, and the drainage of being convenient for goes on, and the hole of permeating water simultaneously has seted up a plurality ofly, avoids permeating water the hole and blocks up and the problem of the drilling pause that arouses, improves the stability of work.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a rotary drilling type composite drill bit according to the present invention;
FIG. 2 is a top view of a rotary drilling composite drill bit according to the present invention;
fig. 3 is a schematic structural view of the drill rod of the present invention.
In the figure:
1. a drill bit; 2. an inner tank; 3. a drill stem; 4. a bit leg; 5. drilling teeth; 6. water permeable holes; 7. a clamping block; 8. A side groove; 9. a spring; 10. and (4) arc edge.
Detailed Description
For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.
According to the utility model discloses an embodiment provides a gyration formula of creeping into composite drill bit.
Referring now to the drawings and the detailed description, as shown in fig. 1-3, a rotary drilling type composite drill bit according to an embodiment of the present invention comprises a drill bit 1 and a drill rod 3, wherein the drill bit 1 is cooperatively used with the drill rod 3, the inner wall of the drill bit 1 is provided with an inner groove 2, the outer wall of the drill rod 3 is provided with a side groove 8 corresponding to the position of the inner groove 2, the inner wall of the side groove 8 is connected with a clamping block 7 through a spring 9, the clamping block 7 is slidably connected with the side groove 8, one end of the drill bit 1 is fixedly welded with a bit leg 4, the top surface of the bit leg 4 is welded with a drill tooth 5, the surface of the bit leg 4 is provided with a water permeable hole 6, the outer surface of the drill rod 3 in the device is provided with the side groove 8, the clamping block 7 is connected with the side groove 8 through a spring 9, the drill rod 3 can be inserted into the drill bit 1 during the installation of the drill bit 1, the drill bit 1 extrudes the clamping block 7 until the clamping block 7 shrinks into the side groove 8, along with the continuous insertion of drilling rod 3, when joint piece 7 aimed at inside groove 2, spring 9 promoted joint piece 7 and entered into inside groove 2, can accomplish the installation, and drill bit 1 and drilling rod 3 fixed connection after the installation make drilling rod 3 can drive drill bit 1 and revolve the rotation, have solved the condition that drops easily when traditional drill bit 1 revolves, and the installation is more stable, simultaneously, and the installation is convenient and fast more.
In one embodiment, the drill teeth 5 are arranged in a staggered manner, and a plurality of drill teeth 5 are arranged at equal angles, which is a common structure and is convenient for cutting rock strata for drilling holes.
In one embodiment, the hole 6 of permeating water has been seted up a plurality ofly, and the hole 6 of permeating water is intensive to be seted up, and the hole 6 diameter of permeating water is not less than the maximum diameter of boring tooth 5, be convenient for impurity to pass through, the hole 6 of permeating water is seted up on the surface of palm 4, it sets up to avoid boring tooth 5, the sparge water is washed the drilling through the hole 6 outflow of permeating water of drill bit 1 one end, wash water through the hole 6 outflow drilling in the drill bit 1 one end outside, the drainage of being convenient for goes on, the hole 6 of permeating water has been seted up a plurality ofly simultaneously, avoid permeating water the hole 6 and blockking up and the problem of the drilling pause that arouses, improve the stability of work.
In one embodiment, the surface of one end of the clamping block 7 is provided with an arc edge 10, so that when the drill bit 1 extrudes the clamping block 7, the clamping block 7 is pushed into the edge groove 8, the clamping blocks 7 are provided in a plurality, and the clamping blocks 7 are arranged in a staggered manner, thereby avoiding the excessive reduction of the stress on the inner wall of the drill rod 3.
In one embodiment, the internal diameter of the drill bit 1 is equal to the external diameter of the drill rod 3, the vertical maximum cross-sectional dimension of the clamping block 7 is equal to the vertical cross-sectional dimension of the inner groove 2, the clamping is more stable, and the shaking is reduced.
In one embodiment, two ends of the spring 9 are fixedly connected with one end of the clamping block 7 and the inner wall of the side groove 8 respectively, so that the clamping block 7 is prevented from falling off, and the common connection structure is adopted.
The working principle is as follows:
during the installation process of the drill bit 1, the drill bit 1 can be inserted into the drill bit 1, the drill bit 1 extrudes the clamping block 7 until the clamping block 7 shrinks into the side groove 8, the clamping block 7 is aligned with the inner groove 2 along with the continuous insertion of the drill bit 3, the spring 9 pushes the clamping block 7 to enter the inner groove 2, the installation can be completed, the installed drill bit 1 and the drill bit 3 are fixedly connected, the drill bit 1 can be driven by the drill bit 3 to rotate, the problem that the traditional drill bit 1 is easy to fall off during rotation is solved, the installation is more stable, meanwhile, the installation is more convenient and faster, meanwhile, the water permeable holes 6 are arranged on the surface of the tooth palm 4 to avoid the drill teeth 5, washing water flows out through the water permeable holes 6 at one end of the drill bit 1 to clean the drill holes, washing water flows out through the water permeable holes 6 at the outer side of one end of the drill bit 1 to facilitate the drainage, and a plurality of the water permeable holes 6 are arranged, the problem of drilling pause caused by the blockage of the water permeable holes 6 is avoided, and the working stability is improved.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a gyration formula of creeping into composite drill bit, a serial communication port, including drill bit (1) and drilling rod (3), drill bit (1) cooperation is used has drilling rod (3), and drill bit (1) inner wall has seted up inside groove (2), side slot (8) have been seted up to drilling rod (3) outer wall corresponding inside groove (2) position, and side slot (8) inner wall is connected with joint piece (7) through spring (9) to joint piece (7) and side slot (8) sliding connection, the fixed welding of drill bit (1) one end has bit leg (4), and bit leg (4) top surface welding has and bores tooth (5) to bit leg (4) surface runs through has seted up hole (6) of permeating water.
2. A rotary drilling composite drill bit according to claim 1, characterized in that the drill teeth (5) are staggered and that the drill teeth (5) are arranged in equal angular rows.
3. A rotary drilling composite drill bit according to claim 1, characterized in that the water permeable holes (6) are opened in plurality, the water permeable holes (6) are densely opened, and the diameter of the water permeable holes (6) is not less than the maximum diameter of the drilling teeth (5).
4. The rotary drilling type composite drill bit as claimed in claim 1, wherein an arc edge (10) is formed on one end surface of the clamping block (7), the clamping blocks (7) are formed in plurality, and the clamping blocks (7) are arranged in a staggered manner.
5. A rotary drilling composite drill bit according to claim 1, characterized in that the inner diameter of the drill bit (1) is equal to the outer diameter of the drill rod (3), and the vertical maximum cross-sectional dimension of the clamping block (7) is equal to the vertical cross-sectional dimension of the inner groove (2).
6. The rotary drilling type composite drill bit as claimed in claim 1, wherein both ends of the spring (9) are respectively fixedly connected with one end of the clamping block (7) and the inner wall of the side groove (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022692147.5U CN213869759U (en) | 2020-11-19 | 2020-11-19 | Rotary drilling type composite drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022692147.5U CN213869759U (en) | 2020-11-19 | 2020-11-19 | Rotary drilling type composite drill bit |
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| Publication Number | Publication Date |
|---|---|
| CN213869759U true CN213869759U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022692147.5U Active CN213869759U (en) | 2020-11-19 | 2020-11-19 | Rotary drilling type composite drill bit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115807618A (en) * | 2023-02-09 | 2023-03-17 | 常州市宏业基础工程有限公司 | Rotary drilling rig power head with moving structure and drilling method thereof |
-
2020
- 2020-11-19 CN CN202022692147.5U patent/CN213869759U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115807618A (en) * | 2023-02-09 | 2023-03-17 | 常州市宏业基础工程有限公司 | Rotary drilling rig power head with moving structure and drilling method thereof |
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