CN214145370U - A reaming bore bit for mining improve blasting effect - Google Patents
A reaming bore bit for mining improve blasting effect Download PDFInfo
- Publication number
- CN214145370U CN214145370U CN202022029669.7U CN202022029669U CN214145370U CN 214145370 U CN214145370 U CN 214145370U CN 202022029669 U CN202022029669 U CN 202022029669U CN 214145370 U CN214145370 U CN 214145370U
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- CN
- China
- Prior art keywords
- bit
- reaming
- bore
- rod
- boss
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- Expired - Fee Related
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- 238000005422 blasting Methods 0.000 title claims abstract description 25
- 238000005065 mining Methods 0.000 title claims abstract description 19
- 230000000694 effects Effects 0.000 title claims abstract description 16
- 238000005553 drilling Methods 0.000 claims abstract description 21
- 239000000956 alloy Substances 0.000 claims abstract description 16
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 6
- 238000003466 welding Methods 0.000 abstract 1
- 239000011435 rock Substances 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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Abstract
The utility model discloses a reaming bore bit for mining improvement blasting effect, including direction bore rod, bore rod pole, boss and direction bore rod, be provided with the alloy cutting edge on the direction bore rod, be provided with the bore rod pole at direction bore rod top, the fixed welding in the bore rod pole outside has the screw thread that drills; the drill bit rod top is provided with a boss, the left side and the right side of the boss are provided with arc-shaped notches, and a through hole is horizontally communicated between the two groups of arc-shaped notches. The utility model discloses a be the alloy cutting edge that the cross distributes on conical direction bore bit and the direction bore bit for this reaming bore bit is when meetting the stratum, can creep into the stratum easily and carry out the reaming, under the condition of same pressure, has increased the drilling diameter, uses through the cooperation of the screw thread that creeps into in the bore bit pole outside and boss, can be when the reaming, improves the drilling ability of this reaming bore bit, and it is more stable to creep into reaming in-process, improves reaming drilling efficiency.
Description
Technical Field
The utility model relates to a blasting reaming technical field specifically is a reaming bore bit for mining improves blasting effect.
Background
In the rock blasting tunneling, in order to improve the blasting efficiency, cut holes are drilled on the working face, so that a certain part of ore rocks on the working face is broken and then thrown out during blasting to form a second free face, and conditions are created for the subsequent blasting of auxiliary holes and peripheral holes. In the prior art, the cutting mode is a small-aperture multi-hole cutting mode, and because the free surface lifted by the small-aperture cutting is small, multiple holes need to be densely distributed to provide multiple free surfaces, the operation condition and the geological structure are influenced, the densely distributed holes are easy to communicate, the communicated holes cannot go deep, the blasting effect is finally influenced, and therefore a drill bit with a hole expansion is needed.
The publication number is CN201358718, and discloses a reaming bit, which comprises a bit front part, a bit middle part and a bit rear part, wherein the bit front part is a cylindrical guide body, the foremost end of the cylindrical guide body is wedge-shaped, and a hard alloy blade is welded at the wedge tip; the middle part of the drill bit is a rock drilling body, and the diameter of the rock drilling body is larger than that of the cylindrical guide body; two to four hard alloy blades are symmetrically welded at the transition step of the rock drilling body and the cylindrical guide body along the radial direction; two circular arc-shaped notches are reserved on the outer edge of the rock drilling body, and water outlet holes are formed in the two notches; the back of the drill bit is provided with a taper hole connected with the drill rod, and the taper hole is communicated with the water outlet hole.
Above-mentioned utility model has following defect in the in-process of using: 1. when the bottom of the utility model is directly contacted with the rock stratum in use, the reaming can not be well carried out. 2. Above-mentioned utility model is at the in-process that uses, can not fine creep into, reaming efficiency is lower, and the practicality is lower. Therefore, we propose a reaming bit for mining to improve blasting effectiveness.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reaming bore bit for mining improves blasting effect, alloy cutting edge through being the cross distribution on conical direction bore bit and the direction bore bit, make this reaming bore bit when meetting the stratum, can creep into the stratum easily and carry out the reaming, under the condition of same pressure, the drilling diameter has been increased, the cooperation through the drilling screw thread in the bore bit pole outside and boss is used, can be when reaming, improve the drilling ability of this reaming bore bit, it is more stable to creep into reaming in-process, improve reaming drilling efficiency, the problem of proposing in the background art has been solved.
In order to achieve the above object, the utility model provides a following technical scheme: a reaming bit for mining and improving the blasting effect comprises a guide bit rod, a boss and a guide bit rod, wherein an alloy cutting edge is arranged on the guide bit rod, the bit rod is arranged at the top of the guide bit rod, and drilling threads are fixedly welded on the outer side of the bit rod;
the drill bit comprises a drill bit rod and is characterized in that a boss is arranged at the top of the drill bit rod, arc-shaped notches are formed in the left side and the right side of the boss, through holes are horizontally communicated between the two groups of arc-shaped notches, a guide drill rod is vertically arranged at the top of the boss, and a water outlet hole is vertically formed in the middle of the interior of the guide drill rod.
As a preferred embodiment of the utility model, direction bore bit, boss, bore bit pole and direction bore bit from the top down integration shaping in proper order.
As a preferred embodiment of the present invention, the pilot bit is tapered.
As an optimal implementation mode of the utility model, apopore bottom and through-hole middle part intercommunication.
As a preferred embodiment of the present invention, the alloy blades are distributed in a cross shape.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a reaming bore bit for mining improves blasting effect is the alloy cutting edge that the cross distributes through being conical direction bore bit and on the direction bore bit for this reaming bore bit when meetting the stratum, can creep into the stratum easily and carry out the reaming, under the condition of same pressure, has increased the drilling diameter.
2. The utility model discloses a reaming bore bit for mining improves blasting effect uses through the cooperation of the screw thread and the boss that creeps into in the bore bit pole outside, can improve the ability of creeping into of this reaming bore bit when reaming, and is more stable at the reaming in-process of drilling, improves reaming drilling efficiency.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic view of the whole structure of the reaming bit for improving blasting effect in mining according to the present invention;
fig. 2 is the utility model discloses an inner structure schematic diagram of reaming bore bit for mining improves blasting effect.
In the figure: 1 direction bore bit, 2 bore rod, 3 drilling screw threads, 4 bosss, 5 arc breachs, 6 direction bore rod, 7 alloy cutting edges, 8 apopores, 9 through-holes.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.
Referring to fig. 1-2, the present invention provides a technical solution: a reaming bit for mining and improving the blasting effect comprises a guide bit rod 6, a bit rod 2, a boss 4 and a guide bit 1, wherein an alloy cutting edge 7 is arranged on the guide bit 1, the bit rod 2 is arranged at the top of the guide bit 1, and drilling threads 3 are fixedly welded on the outer side of the bit rod 2;
the top of the drill rod 2 is provided with a boss 4, the left side and the right side of the boss 4 are both provided with arc-shaped notches 5, a through hole 9 is horizontally communicated between the two groups of arc-shaped notches 5, the top of the boss 4 is vertically provided with a guide drill rod 6, and the middle part in the guide drill rod 6 is vertically provided with a water outlet hole 8.
In the embodiment (see fig. 1), the guide drill rod 6, the boss 4, the drill rod 2 and the guide drill bit 1 are integrally formed from top to bottom in sequence.
In the present embodiment (see fig. 1), the pilot bit 1 is conical.
In this embodiment (see fig. 2), the bottom of the water outlet hole 8 is communicated with the middle of the through hole 9.
In this embodiment (see fig. 1), the alloy blades 7 are distributed in a cross shape.
It should be noted that the utility model relates to a reaming bit for mining and improving the blasting effect, which comprises a guide bit 1, a bit rod 2, a drilling screw thread 3, a boss 4, an arc gap 5, a guide bit rod 6, an alloy blade 7, an alloy blade 8, a water outlet hole 9, all of which are universal standard parts or parts known by technicians in the field, the structure and principle of which are known by technicians through technical manuals or conventional test methods, when the reaming bit for mining and improving the blasting effect is used, the reaming bit can easily bore rock strata by the guide bit 1 and the alloy blades 7 distributed in a cross shape on the guide bit 1 when meeting rock strata, the diameter of the drilled hole is increased under the condition of the same pressure, the drilling screw thread 3 outside the bit rod 2 is matched with the boss 4, the reaming drill bit has the advantages that the drilling capacity of the reaming drill bit can be improved during reaming, the reaming process is more stable, and the using effect is ideal.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a reaming bore bit for mining improves blasting effect, includes direction bore bit pole (6), bore bit pole (2), boss (4) and direction bore bit (1), its characterized in that: an alloy cutting edge (7) is arranged on the guide drill bit (1), a drill bit rod (2) is arranged at the top of the guide drill bit (1), and a drilling thread (3) is fixedly welded on the outer side of the drill bit rod (2);
the drill rod guide mechanism is characterized in that a boss (4) is arranged at the top of the drill rod (2), arc-shaped notches (5) are formed in the left side and the right side of the boss (4), through holes (9) are horizontally communicated between the two groups of arc-shaped notches (5), a guide drill rod (6) is vertically arranged at the top of the boss (4), and a water outlet hole (8) is vertically formed in the middle of the inner portion of the guide drill rod (6).
2. A reamer bit for mining to enhance blasting according to claim 1, wherein: the guide drill rod (6), the boss (4), the drill rod (2) and the guide drill (1) are integrally formed from top to bottom in sequence.
3. A reamer bit for mining to enhance blasting according to claim 1, wherein: the guide drill bit (1) is conical.
4. A reamer bit for mining to enhance blasting according to claim 1, wherein: the bottom of the water outlet hole (8) is communicated with the middle of the through hole (9).
5. A reamer bit for mining to enhance blasting according to claim 1, wherein: the alloy blades (7) are distributed in a cross shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022029669.7U CN214145370U (en) | 2020-09-16 | 2020-09-16 | A reaming bore bit for mining improve blasting effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022029669.7U CN214145370U (en) | 2020-09-16 | 2020-09-16 | A reaming bore bit for mining improve blasting effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214145370U true CN214145370U (en) | 2021-09-07 |
Family
ID=77558429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022029669.7U Expired - Fee Related CN214145370U (en) | 2020-09-16 | 2020-09-16 | A reaming bore bit for mining improve blasting effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214145370U (en) |
-
2020
- 2020-09-16 CN CN202022029669.7U patent/CN214145370U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210907 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |