CN215804379U - Five-wing fourteen-tooth anti-tuberculosis drill bit - Google Patents
Five-wing fourteen-tooth anti-tuberculosis drill bit Download PDFInfo
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- CN215804379U CN215804379U CN202121575932.0U CN202121575932U CN215804379U CN 215804379 U CN215804379 U CN 215804379U CN 202121575932 U CN202121575932 U CN 202121575932U CN 215804379 U CN215804379 U CN 215804379U
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Abstract
The utility model discloses a fourteen-wing anti-tuberculosis drill bit which comprises a drill bit body, wherein a ring cutting tooth line, a two-ring cutting tooth line, a three-ring cutting tooth line, a four-ring cutting tooth line and a five-ring cutting tooth line are sequentially reduced in diameter by taking the center of the drill bit body as a circular point, the one-ring cutting tooth line is positioned on the outer side of the drill bit body, five drill teeth A are arranged on the outer edge of the drill bit body, the five drill teeth A are positioned in a first plane, the tooth surface center of the drill teeth A is positioned on the ring cutting tooth line, five drill teeth B are arranged close to the inner side of the drill teeth A, the five drill teeth B are positioned in a second plane, the tooth surface center of the drill teeth B is positioned on the two-ring cutting tooth line, and drill teeth C, drill teeth D, drill teeth E and drill teeth F are further arranged on the drill bit body. The utility model aims to provide a five-wing fourteen-tooth anti-tuberculosis drill bit, which is used for reducing the friction load of the drill bit and is effectively suitable for drilling yellow iron tuberculosis.
Description
Technical Field
The utility model relates to the technical field of drill bits, in particular to a five-wing fourteen-tooth anti-tuberculosis drill bit.
Background
The hardness of the yellow iron nodules is basically the same as that of basalt and granite, only friction sparks are easy to generate when the yellow iron nodule rock layer is drilled, and the friction temperature flash phenomenon can cause high-temperature micro-carbonization reaction of the blade of the diamond composite sheet, so that the diamond sheet forms friction fatigue. The drill bits with the layout mode are easy to generate friction sparks in a yellow iron nodule rock layer so as to generate fatigue, so that the drill bits cannot be used.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a five-wing fourteen-tooth anti-tuberculosis drill bit, which is used for reducing the friction load of the drill bit and is effectively suitable for drilling yellow iron tuberculosis.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the fourteen-wing anti-tuberculosis drill bit comprises a drill bit body, wherein a ring cutting tooth line, a three-ring cutting tooth line, a four-ring cutting tooth line and a five-ring cutting tooth line are sequentially reduced in diameter by taking the center of the drill bit body as a circular point, the ring cutting tooth line is positioned on the outer side of the drill bit body, five drill teeth A are arranged on the outer edge of the drill bit body, the five drill teeth A are positioned in a first plane, the tooth surface center of the drill teeth A is positioned on the ring cutting tooth line, five drill teeth B are arranged close to the inner side of the drill teeth A, the five drill teeth B are positioned in a second plane, the tooth surface center of the drill teeth B is positioned on the two-ring cutting tooth line, a drill tooth C, a drill tooth D, a drill tooth E and a drill tooth F are further arranged on the drill bit body, the drill teeth C, the drill tooth D, the drill tooth E and the drill tooth F are all positioned in a third plane, and the tooth surface centers of the drill teeth C and the drill tooth D are positioned on the three-ring cutting tooth line, the center of the tooth surface of the drill tooth E is positioned on a four-ring cutting tooth line, the center of the tooth surface of the drill tooth F is positioned on a five-ring cutting tooth line, the edge of the side part of the drill tooth F is positioned on the center point of the drill bit body, and the drill bit body is further provided with a plurality of cooling holes.
Furthermore, an included angle is formed between the central extension lines of two adjacent drilling teeth A, and the included angle is 72 degrees.
Further, the second plane is 10mm higher than the first plane, and the third plane is 1.5mm higher than the second plane.
Further, the diameter of the drill bit body is 98-105 mm.
Furthermore, the diameter difference between the four-ring cutting tooth line and the five-ring cutting tooth line is 4 mm.
Furthermore, the side wall surface of the drilling tooth A is provided with a gauge protection strip.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model has 6 cutting tooth lines, can easily grind the yellow iron nodule in the rock and cut the extremely hard rock, has 14 drilling teeth on the 6 cutting tooth lines, can greatly improve the propelling pressure of the drill bit, adopts double-ring line five-wing cloth teeth to reduce the friction load of the composite sheet on one hand, and reduces the temperature flash phenomenon in the drilling with the yellow iron nodule on the other hand, thereby avoiding the micro-carbonization reaction of the friction surface of the composite sheet caused by the temperature flash.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a side view of the present invention.
In the figure, 1-drill bit body, 1 a-one-ring cutting tooth line, 1B-two-ring cutting tooth line, 1C-three-ring cutting tooth line, 1D-four-ring cutting tooth line, 1E-five-ring cutting tooth line, 2-drill tooth A, 3-drill tooth B, 4-drill tooth C, 5-drill tooth D, 6-drill tooth E, 7-drill tooth F, 8-cooling hole, 9-gauge bar and 10-included angle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Example 1:
referring to fig. 1-2, the present invention provides a fourteen-wing anti-tubercular drill bit, comprising a bit body 1, a one-ring cutting tooth trace 1a, a two-ring cutting tooth trace 1B, a three-ring cutting tooth trace 1c, a four-ring cutting tooth trace 1d, and a five-ring cutting tooth trace 1e, the diameters of which are sequentially reduced by taking the center of the bit body 1 as a circular point, the one-ring cutting tooth trace 1a being located outside the bit body 1, five drill teeth a2 being provided on the outer edge of the bit body 1, five drill teeth a2 being located in a first plane and the tooth surface center of a2 being located on the one-ring cutting tooth trace 1a, a slag discharge groove being formed between the side walls of two adjacent drill teeth a2, five drill teeth B3 being provided near the inner side of the drill teeth a2, five drill teeth B3 being located in a second plane and the tooth surface center of the drill teeth B3 being located on the two-ring cutting tooth trace 1B, the drill tooth A2 and the drill tooth B3 adopt double ring line five-wing cloth teeth, so that the friction load of a drill bit can be reduced, the temperature flash phenomenon of drilling with a yellow iron core can be reduced, the micro-carbonization reaction of a friction surface of a composite sheet caused by the temperature flash can be avoided, the drill bit body 1 is also provided with a drill tooth C4, a drill tooth D5, a drill tooth E6, a drill tooth F7, a drill tooth C4, a drill tooth D5, a drill tooth E6 and a drill tooth F7 which are all independent cutting teeth, the drill tooth C4, the drill tooth D5, the drill tooth E6 and the drill tooth F7 are all positioned in a third plane, the total number of the drill teeth A-F is 14, the pressure bearing capacity of the drill bit is greatly improved, the depth of a drill ruler can be improved through the multi-tooth layout, the propelling force of a large-scale drilling machine can be borne, for example, the multi-tooth cloth teeth and the multi-tooth drilling teeth adopting double ring line five-wing cloth teeth and multi-tooth design, so that the drill bit can not cause the diamond impact phenomenon, the working strength of the drill bit is greatly improved, the tooth surface centers of the drill teeth C4 and the drill teeth D5 are located on a three-ring cutting tooth line 1C, the tooth surface center of the drill teeth E6 is located on a four-ring cutting tooth line 1D, the tooth surface center of the drill teeth F7 is located on a five-ring cutting tooth line 1E, the edge of the side portion of the drill teeth F7 is located on the central point of the drill bit body 1, a plurality of cooling holes 8 are further formed in the drill bit body 1, and the drill bit is suitable for smooth deslagging in an underground gas drainage hole and water-cooling drilling, air-cooling drilling and air-water linkage drilling.
Example 2:
on the basis of the above embodiment, another embodiment of the present invention is that an included angle 10 is formed between center extension lines of two adjacent drill teeth a2, the included angle 10 is 72 °, so that the drill teeth a2 are located at the same center of a circle, distances between the drill teeth a2 are equal, the second plane is 10mm higher than the first plane, and the third plane is 1.5mm higher than the second plane, so that the whole drill is stepped, and an umbrella-shaped dynamic state is formed during rotation, which is beneficial to slag discharge and water throwing.
Example 3:
on the basis of the above embodiment, another embodiment of the present invention is that the diameter of the bit body (1) is 98-105 mm. The distance difference between the one-ring cutting tooth line 1a and the two-ring cutting tooth line 1b is 2mm, so that in the process of crushing rocks, rocks which are not cut by 2mm can fall by themselves under the action of external force, the diameter difference between the four-ring cutting tooth line 1d and the five-ring cutting tooth line 1e is 4mm, and the side wall surface of the drilling tooth A2 is provided with a gauge strip 9.
Although the utility model has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts or arrangements, other uses will also be apparent to those skilled in the art.
Claims (6)
1. Five-wing fourteen-tooth anti-tuberculosis drill bit is characterized in that: the drill bit comprises a drill bit body (1), wherein a ring cutting tooth line (1a), a two ring cutting tooth line (1B), a three ring cutting tooth line (1C), a four ring cutting tooth line (1d) and a five ring cutting tooth line (1e) with the diameters reduced in sequence are made by taking the center of the drill bit body (1) as a circular point, the one ring cutting tooth line (1a) is positioned at the outer side of the drill bit body (1), five drilling teeth A (2) are arranged at the outer edge of the drill bit body (1), the five drilling teeth A (2) are positioned in a first plane, the tooth surface centers of the drilling teeth A (2) are positioned on the one ring cutting tooth line (1a), five drilling teeth B (3) are arranged near the inner side of the drilling teeth A (2), the five drilling teeth B (3) are positioned in a second plane, the tooth surface centers of the drilling teeth B (3) are positioned on the two ring cutting tooth line (1B), and drilling teeth C (4) are further arranged on the drill bit body (1), The drill bit comprises a drill tooth D (5), a drill tooth E (6) and a drill tooth F (7), wherein the drill tooth C (4), the drill tooth D (5), the drill tooth E (6) and the drill tooth F (7) are all located in a third plane, the tooth surface centers of the drill tooth C (4) and the drill tooth D (5) are located on a three-ring cutting tooth line (1C), the tooth surface center of the drill tooth E (6) is located on a four-ring cutting tooth line (1D), the tooth surface center of the drill tooth F (7) is located on a five-ring cutting tooth line (1E), the side edge of the drill tooth F (7) is located on the central point of a drill bit body (1), and a plurality of cooling holes (8) are further formed in the drill bit body (1).
2. The fourteen-winged anti-tubercular drill bit according to claim 1, wherein: an included angle (10) is formed between the central extension lines of two adjacent drilling teeth A (2), and the included angle (10) is 72 degrees.
3. The fourteen-winged anti-tubercular drill bit according to claim 1, wherein: the second plane is 10mm higher than the first plane, and the third plane is 1.5mm higher than the second plane.
4. The fourteen-winged anti-tubercular drill bit according to claim 1, wherein: the diameter of the drill bit body (1) is 98-105 mm.
5. The fourteen-winged anti-tubercular drill bit according to claim 1, wherein: the diameter difference between the four-ring cutting tooth line (1d) and the five-ring cutting tooth line (1e) is 4 mm.
6. The fourteen-winged anti-tubercular drill bit according to claim 1, wherein: and the side wall surface of the drilling tooth A (2) is provided with a gauge protection strip (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121575932.0U CN215804379U (en) | 2021-07-12 | 2021-07-12 | Five-wing fourteen-tooth anti-tuberculosis drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121575932.0U CN215804379U (en) | 2021-07-12 | 2021-07-12 | Five-wing fourteen-tooth anti-tuberculosis drill bit |
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| Publication Number | Publication Date |
|---|---|
| CN215804379U true CN215804379U (en) | 2022-02-11 |
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| CN202121575932.0U Active CN215804379U (en) | 2021-07-12 | 2021-07-12 | Five-wing fourteen-tooth anti-tuberculosis drill bit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309471A (en) * | 2021-07-12 | 2021-08-27 | 金沙县仁德钻探工具有限公司 | Five-wing fourteen-tooth anti-tuberculosis drill bit |
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2021
- 2021-07-12 CN CN202121575932.0U patent/CN215804379U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309471A (en) * | 2021-07-12 | 2021-08-27 | 金沙县仁德钻探工具有限公司 | Five-wing fourteen-tooth anti-tuberculosis drill bit |
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