CN218934344U - Arc-shaped convex rib gas drainage slag discharge drill rod - Google Patents
Arc-shaped convex rib gas drainage slag discharge drill rod Download PDFInfo
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- CN218934344U CN218934344U CN202223486183.1U CN202223486183U CN218934344U CN 218934344 U CN218934344 U CN 218934344U CN 202223486183 U CN202223486183 U CN 202223486183U CN 218934344 U CN218934344 U CN 218934344U
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Abstract
The utility model relates to a circular arc-shaped rib gas pumping and discharging slag drill rod, wherein a concave arc-shaped flow guide surface for breaking and discharging drilling slag is axially arranged between any two circular arc-shaped ribs on a circular arc-shaped rib drill rod body, and the concave arc-shaped flow guide surface and the circular arc-shaped ribs are uniformly distributed at intervals in the circumferential direction. The rotating radiuses of the plurality of concave arc-shaped flow guiding surfaces are the same. The concave arc-shaped guide surfaces which are uniformly distributed in the circumferential direction are arranged on the drill rod body, after drilling slag is formed, the drilling slag is smashed by the concave arc-shaped guide surfaces in the rotating process of the drill rod, and then discharged outwards from gaps between the concave arc-shaped guide surfaces and the inner wall of the drill hole, so that the slag discharging effect is greatly enhanced.
Description
Technical Field
The utility model relates to a circular arc-shaped convex rib gas pumping and discharging slag drill rod.
Background
In the exploitation process of the high-gas coal mine, gas drainage is needed first, and a drill rod is needed in the gas drainage process. In general, a round drill rod is used, so that slag generated in the drilling process is not easy to discharge as soon as possible, the drilling efficiency is affected, and the drilling efficiency is easy to deflect, if a prismatic drill rod is used, a thin-wall pipe needs to be stretched and deformed into a polygon, the drilling speed is faster than that of the round drill rod, the drilling speed is higher than that of the round drill rod, slag is easy to discharge, but a nut joint and a bolt joint need to be reprocessed for welding with a rod body, and therefore the drill rod is easy to break at a welding part in the use process. In order to increase the strength of the bolt connection part, there are prismatic drill pipes in which the connection part of the drill pipe is processed into a cylindrical joint, so that the slag is not smoothly discharged due to the blocking of the cylindrical connection part although the strength of the bolt connection part is improved. How to save the cost, reduce the carrying difficulty, increase the strength of the rod body and ensure smooth slag discharge is a great difficulty of the prior gas drainage drill rod.
Disclosure of Invention
The utility model aims to provide the arc-shaped convex-rib gas drainage slag-discharging drill rod which can not only increase drilling efficiency, but also realize smooth slag discharge.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the circular arc rib gas pumping and discharging slag discharging drill rod comprises a circular arc rib drill rod body, wherein a concave arc-shaped flow guiding surface for smashing and discharging drilling slag is axially arranged between any two circular arc ribs on the circular arc rib drill rod body, and the concave arc-shaped flow guiding surface and the circular arc ribs are uniformly distributed at intervals in the circumferential direction.
The number of the concave arc-shaped guide surfaces is 2-4, and the rotation radiuses of the concave arc-shaped guide surfaces are the same.
By adopting the technical scheme, the utility model has the beneficial effects that:
the drill rod body is provided with a plurality of concave arc-shaped guide surfaces which are uniformly distributed in the circumferential direction, and the rotation radiuses of the plurality of concave arc-shaped guide surfaces are the same. After the drill slag is formed, in the rotating process of the drill rod, the drill slag is smashed by the concave arc-shaped flow guide surface, and then discharged outwards from a gap between the concave arc-shaped flow guide surface and the inner wall of the drill hole, and the flow guide surface is a concave arc surface, so that the slag discharging effect is greatly enhanced.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows. And in part will be readily apparent to those skilled in the art from that description or recognized by practicing the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The utility model is described in further detail below with reference to the attached drawing figures and detailed description:
drawings
FIG. 1 is a schematic front view of embodiment 1 of the present utility model
FIG. 2 is a schematic view of the cross-section A in FIG. 1
FIG. 3 is a schematic cross-sectional view of embodiment 2 of the present utility model
FIG. 4 is a schematic cross-sectional view of example 3 of the present utility model
The marks in the figure: 1-arc-shaped rib drill rod body 2-arc-shaped rib 3-concave arc-shaped guide surface
Detailed Description
As shown in fig. 1 and 2, the circular arc-shaped rib gas pumping and discharging slag drill rod comprises a circular arc-shaped rib drill rod body 1, a concave arc-shaped guide surface 3 for smashing and discharging drilling slag is axially arranged between any two circular arc-shaped ribs 2 on the circular arc-shaped rib drill rod body 1, and the concave arc-shaped guide surface 3 and the circular arc-shaped ribs 2 are uniformly distributed at intervals in the circumferential direction.
The number of the concave arc-shaped guide surfaces 3 is 2-4, and the rotation radiuses of the plurality of concave arc-shaped guide surfaces are the same. In general, the number of concave arc-shaped guide surfaces 3 is 3, and the best effect is obtained.
As shown in fig. 3, as an example, the number of concave arc-shaped guide surfaces 3 is 2.
As another example, as shown in fig. 4, the number of concave arc-shaped guide surfaces 3 is 4.
Because the concave arc-shaped diversion surface is processed on the drill rod, drilling slag generated in the drilling process can be easily broken and discharged along the concave arc-shaped diversion surface. Effectively improve punching efficiency.
Finally, it is noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model, and that other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (2)
1. The utility model provides a convex bead gas drainage sediment drilling rod, includes convex bead drilling rod body (1), its characterized in that: the novel drill rod is characterized in that a concave arc-shaped guide surface (3) for breaking and discharging drilling slag is axially arranged between any two circular arc-shaped ribs on the circular arc-shaped rib drill rod body (1), and the concave arc-shaped guide surface (3) and the circular arc-shaped ribs (2) are uniformly distributed at intervals in the circumferential direction.
2. The circular arc-shaped convex edge gas drainage slag removal drill pipe according to claim 1, wherein the circular arc-shaped convex edge gas drainage slag removal drill pipe comprises the following components: the number of the concave arc-shaped guide surfaces (3) is 2-4, and the rotation radiuses of the plurality of concave arc-shaped guide surfaces (3) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223486183.1U CN218934344U (en) | 2022-12-05 | 2022-12-05 | Arc-shaped convex rib gas drainage slag discharge drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223486183.1U CN218934344U (en) | 2022-12-05 | 2022-12-05 | Arc-shaped convex rib gas drainage slag discharge drill rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218934344U true CN218934344U (en) | 2023-04-28 |
Family
ID=86092277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223486183.1U Active CN218934344U (en) | 2022-12-05 | 2022-12-05 | Arc-shaped convex rib gas drainage slag discharge drill rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218934344U (en) |
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2022
- 2022-12-05 CN CN202223486183.1U patent/CN218934344U/en active Active
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