CN210564375U - Alloy drill bit and engineering drill bit using same - Google Patents
Alloy drill bit and engineering drill bit using same Download PDFInfo
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- CN210564375U CN210564375U CN201921241797.9U CN201921241797U CN210564375U CN 210564375 U CN210564375 U CN 210564375U CN 201921241797 U CN201921241797 U CN 201921241797U CN 210564375 U CN210564375 U CN 210564375U
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Abstract
The utility model discloses an alloy bore bit belongs to the engineering machine tool field, and it includes: the drill bit comprises a drill bit body, a connecting part and a top insert, wherein the connecting part is arranged at the tail part of the drill bit body, the outer side wall of the connecting part is provided with an external thread, the top insert is arranged at the top part of the drill bit body, and the top insert is arranged into an inverted cone shape. The utility model also discloses an engineering drill bit, include: the drill rod is provided with a drill rod top, a drill rod body and a drill rod bottom, at least two blades are arranged on the outer side of the lower portion of the drill rod body, a plurality of drill bit connectors are evenly arranged at the bottoms of the blades and the lower end of the drill rod bottom, and the alloy drill bit is arranged in the drill bit connectors. In this way, the utility model discloses can solve present all kinds of rig drill bits and be difficult to the problem that creeps into when meetting different geological conditions.
Description
Technical Field
The utility model relates to an engineering machine tool field especially relates to an alloy bore bit and use its engineering drill bit.
Background
In the construction such as underground works, often will use various engineering drillers, because the difference of geological conditions, various problems are often met to the rig when boring into, for example, when geological conditions is comparatively complicated, has medium strength rock, high strength rock or more other hard obstacles in the soil layer, the rig often is difficult to bore into, takes place the drilling rod easily and beats, the frame rocks, the sticking of a drill or even the drilling tool is broken, when meetting these problems, mainly adopts following several kinds of methods at present:
firstly, according to geological conditions, selecting a harder drill bit for construction, or replacing a higher-power drill, and equipping a spare drill on site;
secondly, the drilling speed is slowed down, and the drill bit of the pile machine is frequently maintained and repaired;
and thirdly, when the drill bit part on the surface of the drill bit is worn and ground flat or broken, performing repair welding at the broken position or welding a hole at the ground flat position to repair and embed the drill bit.
The conventional treatment measures at present have the following problems:
1. if the method of replacing the drill bit or integrally replacing the drilling machine and preparing a standby drilling machine on site is adopted, the cost is higher, and the construction economic benefit is reduced;
2. the drilling speed is slowed down, the construction efficiency is influenced, the drill bit is frequently maintained and nursed, and more manpower is occupied;
3. the damaged repair welding or weld hole repair embedding of the drill bit on the surface of the drill bit does not consider the inherent characteristics and fatigue curves of different steel materials, and the drill bit subjected to repair welding or repair embedding is easy to break again in construction, so that the construction period is dangerous and greatly delayed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides an alloy bore bit and uses its engineering drill bit, can solve present all kinds of rig drill bits and be difficult to the problem that creeps into when meetting different geological conditions.
In order to solve the technical problem, the utility model discloses a technical scheme be: providing an alloy bit comprising: the drill bit comprises a drill bit body, a connecting part and a top insert, wherein the connecting part is arranged at the tail part of the drill bit body, the outer side wall of the connecting part is provided with an external thread, the top insert is arranged at the top part of the drill bit body, and the top insert is arranged into an inverted cone shape.
Preferably, the outer side wall of the drill bit body is uniformly provided with alloy inserts.
Preferably, the shape of the alloy insert is one or more of a cuboid, a sphere, an approximate cuboid and an approximate sphere.
Preferably, the alloy inserts are distributed uniformly in a single structure or distributed in a staggered mode in multiple structures.
For solving the technical problem, the utility model discloses a another technical scheme is: providing an engineering drill bit comprising: the drill rod is provided with a drill rod top, a drill rod body and a drill rod bottom, at least two blades are arranged on the outer side of the lower portion of the drill rod body, a plurality of drill bit connectors are evenly arranged at the bottoms of the blades and the lower end of the drill rod bottom, and the alloy drill bit is arranged in the drill bit connectors.
Preferably, the drill bit connector is of a hollow cylindrical structure with an opening at the bottom, and an internal thread matched with the external thread of the alloy drill bit connecting part is arranged on the inner side wall of the drill bit connector.
Preferably, the periphery of the blade is provided with a circle of wheel disc for assisting in fixing the blade.
The utility model has the advantages that:
1. the utility model can select different types of drill bits to be installed on the drill bit according to geological conditions, and the drill bit or the drilling machine does not need to be frequently and integrally replaced for construction, so that the applicability is wide and the construction efficiency is high;
2. the drill bit is connected with the drill bit through threads, when part of the drill bit is seriously worn or broken, the corresponding damaged part on the drill bit can be directly replaced by a new drill bit, the operation is convenient and quick, the whole drill bit does not need to be scrapped, and the economic benefit is obviously improved;
3. the drill bit material is hard steel and manganese-titanium alloy which are common in the market, the manufacturing cost is low, and the material abrasion is low in the rock grinding process, so that the drill bit is economical and durable;
4. the number of the alloy inserts embedded on the side wall of the drill bit can be arranged in a single row or staggered multiple rows according to the actual condition of a rock stratum, so that the arrangement is flexible and the applicability is wide;
5. the drill bit is simple to install, replace, maintain and operate, delicate and efficient.
Drawings
FIG. 1 is a front view of an alloy bit according to embodiment 1 of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a front view of an alloy bit according to embodiment 2 of the present invention;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a front view of an alloy bit according to embodiment 3 of the present invention;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a schematic structural diagram of a engineering drill bit according to embodiment 1, 2 or 3 of the present invention;
the parts in the drawings are numbered as follows: 11. the drill bit comprises a drill bit body, 12, a connecting part, 13, a top insert, 14, an alloy insert, 21, a drill rod top, 22, a drill rod body, 23, a wheel disc, 24, blades, 25, a drill bit connector, 26 and a drill rod bottom.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
As shown in fig. 1-2, embodiment 1 of the present invention includes: an alloy bit, comprising: the drill bit comprises a drill bit body 11, a connecting part 12 and a top insert 13, wherein the connecting part 12 is arranged at the tail part of the drill bit body 11, the outer side wall of the connecting part 12 is provided with an external thread, the top insert 13 is arranged at the top part of the drill bit body 11, and the top insert 13 is arranged in an inverted cone shape.
As shown in fig. 7, embodiment 1 also discloses an engineering drill bit, comprising: the drill rod is provided with a drill rod top 21, a drill rod body 22 and a drill rod bottom 26, the four blades 24 are arranged on the outer side of the lower portion of the drill rod body 22, a plurality of drill rod connector connectors 25 are uniformly arranged at the bottoms of the blades 24 and the lower end of the drill rod bottom 26, and the alloy drill rod is arranged in the drill rod connector 25. The drill bit connector 25 is of a hollow cylindrical structure with an opening at the bottom, and the inner side wall of the drill bit connector 25 is provided with an internal thread matched with the external thread of the alloy drill bit connecting part. The periphery of the blade 24 is provided with a circle of wheel disc 23 for assisting in fixing the blade.
The alloy drill bit in example 1 is composed of hard steel and a manganese-titanium alloy bit, and is suitable for strongly weathered rock and soft rock.
As shown in fig. 3-4, embodiment 2 of the present invention includes: an alloy bit, comprising: the drill bit comprises a drill bit body 11, a connecting part 12 and a top insert 13, wherein the connecting part 12 is arranged at the tail part of the drill bit body 11, the outer side wall of the connecting part 12 is provided with an external thread, the top insert 13 is arranged at the top part of the drill bit body 11, and the top insert 13 is arranged in an inverted cone shape. Alloy inserts 14 are uniformly arranged on the outer side wall of the drill bit body 11, the shape of the alloy inserts 14 is cuboid, and the alloy inserts 14 are uniformly distributed in a single structure.
Embodiment 2 also discloses an engineering drill bit, comprising: the drill rod is provided with a drill rod top 21, a drill rod body 22 and a drill rod bottom 26, the four blades 24 are arranged on the outer side of the lower portion of the drill rod body, a plurality of drill rod head connectors 25 are evenly arranged at the bottoms of the blades 24 and the lower end of the drill rod bottom 26, and the alloy drill rod is arranged in the drill rod head connectors 25. The drill bit connector 25 is of a hollow cylindrical structure with an opening at the bottom, and the inner side wall of the drill bit connector 25 is provided with an internal thread matched with the external thread of the alloy drill bit connecting part 12. The periphery of the blade 24 is provided with a ring of wheel disc 23 for assisting in fixing the blade 24.
The alloy bit of example 2 consists of hard steel and a manganese-titanium alloy bit, wherein the alloy insert consists of a 1cm by 0.5cm manganese-titanium alloy insert, and is suitable for medium-strength rock (20-60 Mpa).
As shown in fig. 5 to 6, the embodiment 3 and the embodiment 2 of the present invention are different in the structure of the alloy insert, and the alloy insert of the embodiment 3 has a spherical structure, which is suitable for high strength rock (60Mpa to 120 Mpa).
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (7)
1. An alloy bit, comprising: the drill bit comprises a drill bit body, a connecting part and a top insert, wherein the connecting part is arranged at the tail part of the drill bit body, the outer side wall of the connecting part is provided with an external thread, the top insert is arranged at the top part of the drill bit body, and the top insert is arranged into an inverted cone shape.
2. An alloy bit according to claim 1, wherein the alloy inserts are uniformly arranged on the outer side wall of the bit body.
3. The alloy bit according to claim 2, wherein the alloy insert is one or more of rectangular, spherical, approximately rectangular and approximately spherical.
4. The alloy bit according to claim 3, wherein the alloy inserts are arranged in a single structure or in a staggered arrangement of a plurality of structures.
5. An engineering drill bit using the alloy bit according to any one of claims 1 to 4, comprising: the drill rod is provided with a drill rod top, a drill rod body and a drill rod bottom, at least two blades are arranged on the outer side of the lower portion of the drill rod body, a plurality of drill bit connectors are evenly arranged at the bottoms of the blades and the lower end of the drill rod bottom, and the alloy drill bit is arranged in the drill bit connectors.
6. An alloy drill bit according to claim 5, characterized in that the drill bit connector is a hollow cylinder structure with an opening at the bottom, and the inner side wall of the drill bit connector is provided with an internal thread matched with the external thread of the alloy drill bit connecting part.
7. An alloy bit according to claim 5, wherein the periphery of the blade is provided with a ring of discs for assisting in fixing the blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921241797.9U CN210564375U (en) | 2019-08-02 | 2019-08-02 | Alloy drill bit and engineering drill bit using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921241797.9U CN210564375U (en) | 2019-08-02 | 2019-08-02 | Alloy drill bit and engineering drill bit using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210564375U true CN210564375U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921241797.9U Active CN210564375U (en) | 2019-08-02 | 2019-08-02 | Alloy drill bit and engineering drill bit using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210564375U (en) |
-
2019
- 2019-08-02 CN CN201921241797.9U patent/CN210564375U/en active Active
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