CN206513319U - A kind of mining Three-edged drill stem - Google Patents
A kind of mining Three-edged drill stem Download PDFInfo
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- CN206513319U CN206513319U CN201621488222.3U CN201621488222U CN206513319U CN 206513319 U CN206513319 U CN 206513319U CN 201621488222 U CN201621488222 U CN 201621488222U CN 206513319 U CN206513319 U CN 206513319U
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- rod
- mining
- drill stem
- edged drill
- stupefied
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Abstract
The utility model discloses a kind of mining Three-edged drill stem, including the body of rod with through slot, the periphery of the body of rod is provided with three curved stupefied faces, and the stupefied face is provided with multiple helicla flutes along the body of rod to medial resection, and the helicla flute includes the rifling of two sections of interconnections；Plane is provided between stupefied face described in any two, and the upper and lower ends of the helicla flute are located in two adjacent planes respectively.Above-mentioned mining Three-edged drill stem so that cinder is not easy precipitation, is conducive to it to discharge, and anti-torsion ability is stronger, and borehole accuracy is higher, and boring procedure is more steady.
Description
Technical field
The utility model is related to coal mining equipment technical field, more particularly to a kind of mining Three-edged drill stem.
Background technology
It is well known that the working drilling rod form of coal mine down-hole drilling is more at present, the purpose is to often in coal seam
The gas that gas is carried out in extraction, extraction layer needs extraction borehole of being constructed in coal seam.
Conventionally, as the reason for jackrod structure so that cinder is easily precipitated, it is unfavorable for its discharge, and resist
Torsion capacity is not strong, and borehole accuracy is not high, the defect such as boring procedure is unstable.
Utility model content
The purpose of this utility model is to provide a kind of mining Three-edged drill stem, and this is mining, and Three-edged drill stem causes cinder to be not easy to sink
Form sediment, be conducive to it to discharge, and anti-torsion ability is stronger, and borehole accuracy is higher, and boring procedure is more steady.
To achieve the above object, the utility model provides a kind of mining Three-edged drill stem, including the body of rod with through slot, institute
The periphery of the body of rod is stated provided with three curved stupefied faces, and the stupefied face is provided with multiple spirals along the body of rod to medial resection
Groove, the helicla flute includes the rifling of two sections of interconnections；Plane, and the spiral are provided between stupefied face described in any two
The upper and lower ends of groove are located in two adjacent planes respectively.
The mining Three-edged drill stem provided relative to above-mentioned background technology, the utility model, the middle part of the body of rod has through slot,
The outer wall of the body of rod is provided with six faces, wherein it is plane to have between three planes and three stupefied faces, the stupefied face of any two, and arbitrarily
It is stupefied face between two planes；I.e. three planes are staggered with three stupefied faces, substantially hexagonal；Stupefied face is curved, and stupefied
Face is provided with multiple helicla flutes along the body of rod to medial resection, for the material of body of rod surrounding to be stirred；Helicla flute is set to
Two sections of riflings, and the upper and lower ends of helicla flute are located in two adjacent planes respectively；It is arranged such, it is stupefied using three
Face, the characteristics of producing and using above efficient energy-saving is embodied；Three stupefied faces ensure that stirring makes cinder will not in use
Precipitation, makes cinder keep motion state, beneficial to discharge；And the mining Three-edged drill stem being arranged such, it has stability, drilling rod
With higher anti-twisting property；In rod boring, the rifling of helicla flute preferably can discharge cinder, it is ensured that drilling rod is put down
Surely, more ensure that drilling is more accurate.
Preferably, the size of two sections of riflings of any one of helicla flute is consistent.
Preferably, all the size of the rifling is consistent.
Preferably, all the helicla flute is identical with the axial angle of the body of rod.
Preferably, the two ends of the body of rod set external screw thread and internal thread respectively.
Preferably, the external screw thread and the internal thread are formed in one with the body of rod.
Preferably, the external screw thread and the internal thread and the body of rod are detachably connected.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing of offer.
The structural representation for the mining Three-edged drill stem that Fig. 1 is provided by the utility model embodiment；
Fig. 2 is Fig. 1 side view；
Fig. 3 be Fig. 2 in A-A to sectional view.
Wherein：
The 1- bodies of rod, 2- through slots, 3- helicla flutes, 31- riflings, the stupefied faces of 4-, 5- external screw threads, 6- planes.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
In order that those skilled in the art more fully understand the utility model scheme, below in conjunction with the accompanying drawings and specifically
The utility model is described in further detail for embodiment.
Fig. 1, Fig. 2 and Fig. 3 are refer to, the structure for the mining Three-edged drill stem that Fig. 1 is provided by the utility model embodiment is shown
It is intended to；Fig. 2 is Fig. 1 side view；Fig. 3 be Fig. 2 in A-A to sectional view.
A kind of mining Three-edged drill stem that the utility model is provided, including the body of rod 1 with through slot 2, the insertion bar of through slot 2
The rear and front end of body 1, as shown in Figure of description 3；The set-up mode of through slot 2 may be referred to prior art.
The side wall of the body of rod 1 has six faces, and the cross section of the body of rod 1 is substantially hexagonal, as shown in Figure of description 3.Six
There are three stupefied faces 4 and three planes 6 in individual face；Provided with a plane 6 between two stupefied faces 4, one is provided between two planes 6
Stupefied face 4, each stupefied face 4 is equipped with multiple helicla flutes 3, and helicla flute 3 can be along the body of rod 1 to the medial resection of the body of rod 1, for inciting somebody to action
The materials such as the colliery of the surrounding of the body of rod 1 are stirred；Three stupefied faces 4 are curved, as shown in Figure of description 1 and accompanying drawing 2.
The upper and lower ends of helicla flute 3 are located in two different planes 6 respectively, as shown in 1~accompanying drawing of Figure of description 3,
And multiple helicla flutes 3 on same stupefied face 4 are distributed along the axial direction of the body of rod 1.
For each helicla flute 3, it can regard as and be made up of two grooves being brought into close contact；Each helicla flute 3 is
Two sections of arc riflings；That is, each helicla flute 3 is made up of the riflings of two sections of interconnections, and up and down the two of helicla flute 3
End is located in two adjacent planes 6 respectively；As shown in Figure of description 1 and accompanying drawing 2.
In Figure of description 2, rifling one helicla flute 3 of formation of two sections of interconnections, and a helicla flute is about 3
Two ends can be regarded as to be blocked by plane 6；I.e., in process, can be first square vertically in the periphery of the body of rod 1 of cylinder
To a continuous helicla flute is processed, the continuous helicla flute is made up of the rifling of two sections of interconnections；Then to the body of rod 1
Periphery cut, form three planes 6, so as to constitute three stupefied faces 4, and each stupefied face 4 is respectively provided with multiple helicla flutes 3,
As shown in Figure of description 1 to accompanying drawing 3.
For arc rifling, originally referred to the rifling in gun barrel, and allowed bullet to produce rotation, and improved after bullet is projected and fly
In stability；The method of currently manufactured rifling mainly has：Single-point hook cutting method, broach rifling (broach rifling),
Button rifling (button rifling), drop forging (hammer forge), specifically may be referred to prior art, herein no longer
Repeat.
From the foregoing, core of the present utility model is, the periphery of the body of rod 1 is set on three stupefied faces 4, two stupefied faces 4
Multiple axially arranged helicla flutes 3 along the body of rod 1 are set, and the bottom land of any one helicla flute 3 is two sections of riflings 31, and arbitrarily
The upper and lower ends of one helicla flute 3 are located in two adjacent planes 6 respectively.
It is arranged such, using three stupefied faces 4, the characteristics of producing and using above efficient energy-saving is embodied；Three stupefied faces 4 exist
Ensure that stirring makes cinder to precipitate during use, cinder is kept motion state, beneficial to discharge；And the ore deposit being arranged such
With Three-edged drill stem, it has stability, and drilling rod has higher anti-twisting property；In rod boring, the rifling 31 of helicla flute 3
Preferably cinder can be discharged, it is ensured that drilling rod is steady, more ensure that drilling is more accurate.
In the utility model, preferably two sections of riflings 31 of any one helicla flute 3 are sized to unanimously.For
Each helicla flute 3, two sections of sizes of rifling 31 of its bottom land are identical；Consequently, it is possible to be favorably improved each helicla flute 3
Uniform force, and facilitate the production and processing of helicla flute 3.The size of whole riflings 31 can also be set one by the utility model
Cause.That is, the opening size of the size all same, either groove depth or helicla flute 3 of whole helicla flutes 3 of mining Three-edged drill stem,
It is all identical；The uniform force of mining Three-edged drill stem is further improved, helps steadily to discharge cinder, it is ensured that drilling rod is put down
Surely, the accurate of drilling is more ensured.
In order to ensure cinder is steadily discharged, whole helicla flutes 3 are identical with the axial angle of the body of rod 1；That is, whole helicla flutes 3
Axial angle relative to the body of rod 1 is consistent, improves the steady of drilling rod process, contributes to the accurate of increase drilling.
As in the prior art, the two ends of the body of rod 1 set external screw thread 5 and internal thread respectively, are used as connection member, it is ensured that make
Connection function during.Certainly, according to actual needs, external screw thread 5 and internal thread can be formed in one with the body of rod 1,
Can be detachably connected.External screw thread 5 and internal thread can be connected using welding or other modes with the body of rod 1；It can also adopt
It is connected with dismountable connected mode in the prior art with the body of rod 1；Certainly, for other set-up modes of mining Three-edged drill stem,
MT/T521 standards can also be referred to, are repeated no more herein.
Mining Three-edged drill stem provided by the utility model is described in detail above.It is used herein specifically individual
Example is set forth to principle of the present utility model and embodiment, and the explanation of above example is only intended to help and understands this reality
With new method and its core concept.It should be pointed out that for those skilled in the art, not departing from this
On the premise of utility model principle, some improvement and modification can also be carried out to the utility model, these are improved and modification also falls
Enter in the utility model scope of the claims.
Claims (7)
1. a kind of mining Three-edged drill stem, including the body of rod with through slot, it is characterised in that the periphery of the body of rod is provided with three
Curved stupefied face, and the stupefied face is provided with multiple helicla flutes along the body of rod to medial resection, the helicla flute includes two
The rifling that section is connected with each other；Plane, and the upper and lower ends difference position of the helicla flute are provided between stupefied face described in any two
In in two adjacent planes.
2. mining Three-edged drill stem according to claim 1, it is characterised in that described in two sections of any one of helicla flute
The size of rifling is consistent.
3. mining Three-edged drill stem according to claim 2, it is characterised in that all the size of the rifling is consistent.
4. the mining Three-edged drill stem according to claims 1 to 3 any one, it is characterised in that all the helicla flutes with
The axial angle of the body of rod is identical.
5. mining Three-edged drill stem according to claim 4, it is characterised in that the two ends of the body of rod set external screw thread respectively
And internal thread.
6. mining Three-edged drill stem according to claim 5, it is characterised in that the external screw thread and the internal thread with it is described
The body of rod is formed in one.
7. mining Three-edged drill stem according to claim 5, it is characterised in that the external screw thread and the internal thread with it is described
The body of rod is detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621488222.3U CN206513319U (en) | 2016-12-30 | 2016-12-30 | A kind of mining Three-edged drill stem |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621488222.3U CN206513319U (en) | 2016-12-30 | 2016-12-30 | A kind of mining Three-edged drill stem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206513319U true CN206513319U (en) | 2017-09-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621488222.3U Active CN206513319U (en) | 2016-12-30 | 2016-12-30 | A kind of mining Three-edged drill stem |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206513319U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505953A (en) * | 2018-03-30 | 2018-09-07 | 平顶山天成钻机钻具制造有限公司 | A kind of monolithic devices trigone casing drilling rod |
| CN108661561A (en) * | 2018-03-30 | 2018-10-16 | 平顶山天成钻机钻具制造有限公司 | A kind of coal mine boring assemblies that can intert gas drainage pipe |
-
2016
- 2016-12-30 CN CN201621488222.3U patent/CN206513319U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505953A (en) * | 2018-03-30 | 2018-09-07 | 平顶山天成钻机钻具制造有限公司 | A kind of monolithic devices trigone casing drilling rod |
| CN108661561A (en) * | 2018-03-30 | 2018-10-16 | 平顶山天成钻机钻具制造有限公司 | A kind of coal mine boring assemblies that can intert gas drainage pipe |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 401320 600 nanhu road, NANPENG street, Banan District, Chongqing Patentee after: Chongqing Pingshan Electromechanical Equipment Co.,Ltd. Address before: 401320 600 nanhu road, NANPENG street, Banan District, Chongqing Patentee before: CHONGQING PINGSHAN MINING ELECTROMECHANICAL EQUIPMENT Co.,Ltd. |