CN214273518U - Coal mine full coal climbing drill bit - Google Patents
Coal mine full coal climbing drill bit Download PDFInfo
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- CN214273518U CN214273518U CN202120339874.5U CN202120339874U CN214273518U CN 214273518 U CN214273518 U CN 214273518U CN 202120339874 U CN202120339874 U CN 202120339874U CN 214273518 U CN214273518 U CN 214273518U
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- drill bit
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- shaped rib
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Abstract
The utility model provides a colliery full coal drill bit that goes up a hill relates to drill bit technical field, and the drill bit that has solved to exist among the prior art is wasting time and energy when playing the hill eye, has the technical problem of potential safety hazard. The coal mine full-coal mountain-climbing drill bit comprises a drill bit body, wherein the drill bit body comprises a drill rod and a plurality of arc-shaped rib plates, one end of the drill rod is provided with an end drill bit, and the other end of the drill rod is connected with a drilling machine; the plurality of arc-shaped rib plates use the drill rod as a central shaft, the drill rod is surrounded and closed at equal intervals to form a duck egg-shaped structure, a supporting plate is connected between every two adjacent arc-shaped rib plates on a plane perpendicular to the drill rod, and the supporting plates are surrounded to form an annular structure. The utility model is used for a safe efficient colliery full coal drill bit that goes up a hill is provided.
Description
Technical Field
The utility model belongs to the technical field of the drill bit technique and specifically relates to a colliery full coal drill bit that goes up a hill is related to.
Background
The gas is the first killer in the daily safety production of the coal mine, a ventilation system which is communicated with an upper roadway and a lower roadway must be formed in the coal mine before a coal face is formed, the upper roadway and the lower roadway are mostly in an inclined or large-inclination-angle inclined trend, a cutting hole or a climbing hole is usually opened manually, the cutting hole or the climbing hole needs to be punched for blasting, a local fan is used for discharging the gas, an air duct, a top bottom plate and initiating explosive devices, any management has a leak, safety accidents can occur, time and labor are wasted, the manual operation environment is poor, the cost is high, and the safety is not safe.
The applicant has found that the prior art has at least the following technical problems: when the existing drill bit is used for drilling a hill, time and labor are wasted, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a colliery full coal drill bit that goes up a hill to the drill bit that exists among the solution prior art is when playing the hill eye, wastes time and energy, has the technical problem of potential safety hazard. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a coal mine full coal mountain-climbing drill bit, which comprises a drill bit body,
the drill bit body comprises a drill rod and a plurality of arc-shaped rib plates, an end drill bit is arranged at one end of the drill rod, and the other end of the drill rod is connected with a drilling machine; a plurality of arc-shaped rib plates are enclosed around the drill rod at equal intervals by taking the drill rod as a central shaft to form a duck egg-shaped structure,
and a support plate is connected between two adjacent arc rib plates on a plane vertical to the drill rod, and a plurality of support plates form an annular structure in an enclosing manner.
Furthermore, a plurality of drill cutters are arranged on the arc-shaped rib plate positioned on one side of the end drill bit.
Furthermore, a water through hole is formed in the drill rod.
Furthermore, the plurality of drill cutters are arranged on the arc-shaped rib plate at equal angular intervals along the diameter direction of the arc-shaped rib plate.
Furthermore, three drill cutters are arranged on each arc-shaped rib plate.
Further, the included angle between two adjacent drill bits is 12 degrees or 17 degrees.
Furthermore, six arc-shaped rib plates are arranged.
Further, the diameter of the inner wall of the arc rib plate is 515mm, the diameter of the outer wall of the arc rib plate is 550mm, or the diameter of the inner wall of the arc rib plate is 395mm, and the diameter of the outer wall of the arc rib plate is 430 mm.
Further, the inner diameter of the annular structure enclosed by the supporting plates is 350mm, the outer diameter is 420mm or the inner diameter is 275mm, and the outer diameter is 310 mm.
Further, the thickness of the arc-shaped rib plate is 20 mm.
The utility model has the advantages that: the utility model provides a coal mine full coal climbing drill bit, the drill bit body is enclosed by drilling rod and arc gusset and is synthesized duck egg type structure, when punching, can directly form the climbing hole that the diameter is great, directly form ventilation system, gas can directly be arranged, safe high-efficient, labour saving and time saving saves money, absolute safety; the drill bit body is firmer due to the arrangement of the supporting plate, and the drill bit body which is enclosed into an annular structure by the supporting plate advances along the whole coal in the advancing process and can freely advance and retreat without blockage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 first embodiment of the present invention;
fig. 2 is a top view of a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
In figure 1, a drill bit body; 2. a drill stem; 3. an arc-shaped rib plate; 4. a support plate; 5. drilling a cutter; 6. a joint; 7. a water hole.
Detailed Description
The contents of the present invention and the differences between the present invention and the prior art can be understood with reference to fig. 1 to 3 and the text. The invention will be described in further detail below (including the preferred embodiments) with reference to the drawings and illustrative examples of some alternative embodiments of the invention. It should be noted that: any technical features and any technical solutions in this embodiment are one or more of various optional technical features or optional technical solutions, and for the sake of brevity, this document cannot exhaust all the alternative technical features and alternative technical solutions of the present invention, and it is not convenient for each embodiment of the technical features to emphasize that it is one of various optional embodiments, so those skilled in the art should know that: can replace any technical means or combine two or more technical means or technical characteristics of the utility model provides an arbitrary or more technical means or technical characteristics mutually and obtain new technical scheme. Any technical features and any technical solutions in the present embodiment do not limit the scope of the present invention, and the scope of the present invention should include any alternative technical solutions that can be conceived by those skilled in the art without creative efforts and new technical solutions that can be obtained by combining any two or more technical means or technical features provided by the present invention with each other by those skilled in the art.
In the description of the present invention, it is to be noted that "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like are used in an orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is also to be understood that the terms "mounted", "connected" and "connected", unless expressly specified or limited otherwise, are intended to be interpreted broadly, as meaning either a fixed connection or a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.
The utility model provides a safe efficient colliery full coal drill bit that goes up a hill.
The technical solution provided by the present invention is explained in more detail with reference to fig. 1 to 3.
The utility model provides a coal mine full coal climbing drill bit, which comprises a drill bit body,
the drill bit body comprises a drill rod and a plurality of arc-shaped rib plates, an end drill bit is arranged at one end of the drill rod, and the other end of the drill rod is connected with a drilling machine; a plurality of arc-shaped rib plates are enclosed around the drill rod at equal intervals by taking the drill rod as a central shaft to form a duck egg-shaped structure,
and a support plate is connected between two adjacent arc rib plates on a plane vertical to the drill rod, and a plurality of support plates form an annular structure in an enclosing manner.
The utility model provides a coal mine full coal climbing drill bit, the drill bit body is enclosed by drilling rod and arc gusset and is synthesized duck egg type structure, when punching, can directly form the climbing hole that the diameter is great, directly form ventilation system, gas can directly be arranged, safe high-efficient, labour saving and time saving saves money, absolute safety; the drill bit body is firmer due to the arrangement of the supporting plate, and the drill bit body which is enclosed into an annular structure by the supporting plate advances along the whole coal in the advancing process and can freely advance and retreat without blockage.
As an alternative embodiment, a plurality of drill bits are arranged on the arc-shaped rib plate on one side of the end drill bit. The drill bit can drill into a coal bed in the advancing process of the drill bit body, so that the drill bit body can freely advance and retreat when being driven to a mountain hole.
As an alternative embodiment, a water through hole is arranged on the drill rod. In the drilling process, the water through hole enables the drill bit body to directly carry water to drill and expand the hole,
as an optional implementation manner, the plurality of drill cutters are arranged on the arc-shaped rib plate at equal angular intervals along the diameter direction of the arc-shaped rib plate.
As an optional embodiment, three drill bits are arranged on each arc-shaped rib plate.
Further, the included angle between two adjacent drill bits is 12 degrees or 17 degrees.
In an alternative embodiment, six arc-shaped rib plates are provided.
In an optional embodiment, the diameter of the inner wall of the arc rib plate is 515mm, and the diameter of the outer wall of the arc rib plate is 550mm, or the diameter of the inner wall of the arc rib plate is 395mm, and the diameter of the outer wall of the arc rib plate is 430 mm.
In alternative embodiments, the inner diameter of the annular structure enclosed by the support plates is 350mm, the outer diameter is 420mm, or the inner diameter is 275mm, and the outer diameter is 310 mm.
In an alternative embodiment, the arc-shaped rib plate has a thickness of 20 mm.
Example 1:
the utility model provides a coal mine full coal climbing drill bit, including drill bit body 1, drill bit body 1 contains drilling rod 2 and six arc gusset 3, the one end of drilling rod 2 is provided with joint 6 of link drill bit, the other end of drilling rod 2 is connected with the rig; the six arc-shaped rib plates 3 are enclosed around the drill rod 2 at equal intervals by taking the drill rod 2 as a central shaft to form a duck egg-shaped structure; the drill bit body 1 with the duck egg-shaped structure can advance along a coal seam and can automatically hide when meeting rocks of a top floor and a bottom floor, and the upward-mountain hole is guaranteed to be formed. The drill bit body 1 is directly drilled and reamed with water through the water through holes 7 in the drilling process to form a mountain going hole not smaller than 60cm, a ventilation system is directly formed, gas is directly discharged, and the drill bit is safe, efficient, time-saving, labor-saving, money-saving and absolutely safe.
Specifically, the thickness of the arc rib plate 3 is 20 mm; the diameter of the inner wall of the arc rib plate 3 is 515mm, the diameter of the outer wall of the arc rib plate 3 is 550mm, and the diameter of the drill rod 2 is 75 mm. The height of the arc-shaped rib plate 3 is 800mm, and the length of the drill rod 2 is 1000 mm.
Three drilling cutters 5 are arranged on each arc-shaped rib plate 3 positioned on one side of an end drill bit, and the three drilling cutters 5 are arranged on the arc-shaped rib plate 3 at equal angular intervals along the diameter direction of the arc-shaped rib plate 3; the spacing angle between every two drill bits 5 is 12 degrees. The drill cutters 5 are arranged on the arc-shaped rib plates 3, and the drill cutters 5 can drill into a coal bed in the advancing process of the drill bit body 1, so that the drill bit body 1 can freely advance and retreat when being driven to a mountain hole.
On a plane perpendicular to the drill rod 2, a support plate 4 is connected between two adjacent arc-shaped rib plates 3, and a plurality of support plates 4 form an annular structure in an enclosing mode. The supporting plates 4 form an annular structure in an enclosing mode to form an annular support, and the drill bit body 1 is guaranteed to move forward along the whole coal in the advancing process and freely move forward and backward without blocking.
Specifically, the inner diameter of the annular structure enclosed by the support plate 4 is 350mm, and the outer diameter is 420 mm.
Example 2:
the present embodiment 2 is different from embodiment 1 in that: the diameter of the inner wall of the arc rib plate is 395mm, and the diameter of the outer wall of the arc rib plate is 430 mm; the inner diameter of an annular structure formed by enclosing the support plates is 275mm, and the outer diameter of the annular structure is 310 mm; the spacing angle between every two drill bits 5 is 17 degrees.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A coal mine full coal mountain-climbing drill bit is characterized by comprising a drill bit body,
the drill bit body comprises a drill rod and a plurality of arc-shaped rib plates, an end drill bit is arranged at one end of the drill rod, and the other end of the drill rod is connected with a drilling machine; a plurality of arc-shaped rib plates are enclosed around the drill rod at equal intervals by taking the drill rod as a central shaft to form a duck egg-shaped structure,
and a support plate is connected between two adjacent arc rib plates on a plane vertical to the drill rod, and a plurality of support plates form an annular structure in an enclosing manner.
2. The coal mine whole coal mountain climbing drill bit according to claim 1, wherein a plurality of drill bits are arranged on the arc-shaped rib plate on one side of the end drill bit.
3. The coal mine all-coal mountain climbing drill bit according to claim 1, wherein a water through hole is formed in the drill rod.
4. The coal mine full coal mountain climbing drill bit according to claim 2, wherein a plurality of the drill cutters are arranged on the arc-shaped rib plate at equal angular intervals along the diameter direction of the arc-shaped rib plate.
5. The coal mine full coal mountain climbing drill bit according to claim 2, wherein three drill bits are arranged on each arc-shaped rib plate.
6. The coal mine all-coal mountain climbing drill bit as claimed in claim 2, wherein an included angle between two adjacent drill bits is 12 degrees or 17 degrees.
7. The coal mine full coal mountain climbing drill bit according to claim 1, wherein six arc-shaped rib plates are arranged.
8. The coal mine whole coal mountain climbing drill bit according to claim 1, wherein the diameter of the inner wall of the arc rib plate is 515mm, the diameter of the outer wall of the arc rib plate is 550mm, or the diameter of the inner wall of the arc rib plate is 395mm, and the diameter of the outer wall of the arc rib plate is 430 mm.
9. The coal mine all-coal mountain climbing drill bit according to claim 1, wherein the annular structure enclosed by the support plates has an inner diameter of 350mm and an outer diameter of 420mm or an inner diameter of 275mm and an outer diameter of 310 mm.
10. The coal mine whole coal mountain climbing drill bit according to claim 1, wherein the arc-shaped rib plate is 20mm thick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120339874.5U CN214273518U (en) | 2021-02-05 | 2021-02-05 | Coal mine full coal climbing drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120339874.5U CN214273518U (en) | 2021-02-05 | 2021-02-05 | Coal mine full coal climbing drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214273518U true CN214273518U (en) | 2021-09-24 |
Family
ID=77789505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120339874.5U Active CN214273518U (en) | 2021-02-05 | 2021-02-05 | Coal mine full coal climbing drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214273518U (en) |
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2021
- 2021-02-05 CN CN202120339874.5U patent/CN214273518U/en active Active
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