CN202215157U - Triangular pyramid-shaped drill rod for drilling coal mine roadway - Google Patents
Triangular pyramid-shaped drill rod for drilling coal mine roadway Download PDFInfo
- Publication number
- CN202215157U CN202215157U CN2011203597641U CN201120359764U CN202215157U CN 202215157 U CN202215157 U CN 202215157U CN 2011203597641 U CN2011203597641 U CN 2011203597641U CN 201120359764 U CN201120359764 U CN 201120359764U CN 202215157 U CN202215157 U CN 202215157U
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- Prior art keywords
- rod
- joint
- female joint
- pipe
- center
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- Expired - Lifetime
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- 238000005553 drilling Methods 0.000 title claims abstract description 34
- 239000003245 coal Substances 0.000 title claims abstract description 9
- 238000003466 welding Methods 0.000 claims abstract description 11
- 230000007704 transition Effects 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000003818 cinder Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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Abstract
The utility model relates to a triangular pyramid-shaped drill rod for drilling a coal mine roadway. Rod bodies (2) are hollow pipes with prismatic sections, two ends of the rod bodies are in cone-shaped extending transition to form rod body end parts (Y) in the shape of a circular tube, and the rod body end parts (Y) are connected with female joints (3) and male joints (1), and inner rod body holes (H) are through. Each female joint (3) is a cylindrical pipe joint and is provided with a cone-shaped threaded hole (M) at the center, each male joint (1) is a stepped pipe joint and is provided with a stepped hole at the center, a big end is connected with the rod bodies (2), a small end is a cone-shaped threaded pipe (G), and the cone-shaped threaded pipe can be connected with a cone-shaped threaded hole (M) of another section of male joint (3) in a matching manner. A plurality of sections of rod bodies (2) are sleeved by a plurality of sections of male joints (1) and female joints (3) from front to back so as to connect into the drilling rod, a rod boy (2) at the front end is connected with a drill, and a rod boy (2) at the rear end is connected with a drilling rig. High-pressure air or water output by the drilling rig reaches the drill directly through the center of the drilling rod so as to guarantee drilling to be conducted smoothly. For the triangular pyramid-shaped drill rod, the welding area is large, the strength is high, the torsion is great, the slagging is smooth, the disassembly and the assembly are safe, the use is convenient, the matching performance is good, the applied range is wide, and the production efficiency is high.
Description
Technical field
The utility model relates to certain ore deposit drilling installation, relates in particular to the tunnel probing and uses drilling rod.
Background technology
The protrusion-dispelling probing of at present domestic underground mine use and the drilling rod that draws out methane have following several kinds: geologic drilling rod; Auger stem; Triangle circular arc drilling rod.Geologic drilling rod is generally the round bur bar because the deslagging performance is bad, in drilling process, often occur drilling rod stuck, crooked, pull out motionless phenomenon, even can drilling rod be twisted into two parts, making holes scraps, and causes damage, and has a strong impact on production.Auger stem is on the basis of round bur bar, to add helical blade, though improved deslagging ability, resistance is bigger, makes the pressure of the drill when creeping into excessive, and progress is slower, and the frequent change drilling rod can lower efficiency, and can not adapt to complex geological condition, and production efficiency is lower.Triangular circular arc drilling rod is to be welded by triangle steel pipe and round splce, and is simple in structure, cost is low, but limit by agent structure intensity; Moment of torsion is lower, drilling rod easy fracture, the demand for security that can not satisfy drilling deep hole, protrusion-dispelling and draw out methane; And adopt whole thick walled steel tube to mill into triangular structure, though can improve moment of torsion, manufacturing cost is too high; Deficiency in economic performance is not suitable for extensive use.
The utility model content
The purpose of the utility model, just provide a kind of intensity high, be connected firmly, deslagging is smooth, the energy-efficient drilling rod of easy accessibility, adapts to the geological conditions of the high gas weak seam of deep drilling, guarantees safe in utilizationly, improves matching performance, enhance productivity.
The task of the utility model is to accomplish like this: design a kind of coal mine roadway probing and use the triangular pyramid type drilling rod, be formed by connecting the union at the body of rod and two ends, the body of rod is the hollow tube in prismatic cross section; The body of rod end that the tapered extension transition in two ends is the pipe shape, an end is fixedly connected female joint, and the other end is fixedly connected male joint; Body of rod endoporus is a through hole, and female joint is the cylindrical pipe joint, and the center has the awl screw; Male joint is the step union, and the center has stepped hole, holds the pipe connecting-rod body greatly; Small end is the awl screwed pipe, can with the equipped socket of the awl screw of the female joint of another pole body.The body of rod end at body of rod two ends is identical with the end face diameter of female joint, male joint, is connected as a single entity with male joint, female joint welding respectively.The center, outer end of female joint has the awl screw, and inner center has the female joint macropore, is communicated with the awl screw through the female joint aperture, and the female joint macropore is identical with the end-face hole aperture of body of rod end, and female joint inner face and the welding of body of rod end are fixing, are connected as a single entity with the body of rod.The outer end of male joint is the awl screwed pipe, connects big end pipe and forms the step union, and awl screwed pipe center inner via hole connects the male joint macropore in the big end pipe.The aperture of male joint macropore is identical with the end-face hole aperture in the body of rod end, and the big end pipe end face of male joint and the welding of the end face of body of rod end are fixing, are connected as a single entity with the body of rod.The body of rod of drilling rod adopts triangular hollow tube; End tapered is extended the circular pipe of transition; Carry out the fixing assembling of interference high temperature friction welding with female joint, male joint end face, improved the intensity of drilling rod, it is big that structure design has guaranteed that drilling rod connects area; Reach the torque maximization under the equivalent steel material condition, more effectively adapted to the needs of the high-power rig probing in colliery deep hole.Some pole bodies are through connecting and composing the aluminium bar before and after male joint, the female joint, front end connects drill bit, and the rear end connects rig.The triangular body of rod differs from the footpath to cinder and stirs in the rod boring process, and the unlikely deposit buildup of cinder is in time discharged under the effect of high pressure wind-force or waterpower smoothly, and fault is few, and progress is fast, and efficient is high.
Manufacture experimently, test according to technique scheme, prove that the utility model is rational in infrastructure, easily manufactured, be connected firmly; Intensity is high, and moment of torsion is big, and deslagging is smooth and easy, and is safe in utilization; Easy accessibility, fault rate is low, and matching performance is good, and production efficiency is high; Compliance is extensive, and economic benefit and social benefit are good, has reached predetermined purpose preferably.
Description of drawings
Fig. 1 is the assembling appearance structure sketch map of the utility model;
Fig. 2 is the A-A cross-sectional view of Fig. 1;
Fig. 3 be the utility model the body of rod 2 partly cut open structural representation;
Fig. 4 is the N-N cross section structure sketch map of Fig. 3;
Fig. 5 is the K-K cross section structure sketch map of Fig. 3.
Among the figure, 1-male joint, 2-body of rod, 3-female joint; A-section symbols, G-awl screwed pipe, T-inner via hole, J-male joint macropore, Y-body of rod end, D-end-face hole, H-body of rod endoporus, X-female joint aperture, M-awl screw, N-section symbols, W-female joint macropore, K-section symbols.
The specific embodiment
Below in conjunction with accompanying drawing the practical implementation of the utility model is explained.
Consult Fig. 1, Fig. 2, the two ends of the body of rod 2 are fixedly connected male joint 1, female joint 3 respectively, constitute a joint drilling rod.The outer end of male joint 1 is awl screwed pipe G, and inner is short pipe body, and the center has stepped hole, and the centre bore of awl screwed pipe G is inner via hole T, and the endoporus of short pipe body is male joint macropore J.The main part of the body of rod 2 is triangular type body; Two ends are short tubular body of rod end Y; The center has end-face hole D; Connecting portion is tubular body of rod end Y by the tapered extension rounding off of triangular prism between main body and the end, and the end face firm welding of an end and male joint 1 becomes one, and the other end and female joint 3 welding are fixing.Female joint 3 is the cylindrical pipe joint, and inner center has female joint macropore W, and the center, outer end has awl screw M, and the centre is communicated with by female joint aperture X.The caliber of female joint 3 is identical with the caliber of the tubular body of rod end Y of the body of rod 2, and the end-face hole D at Y center, body of rod end is identical with the aperture of female joint macropore M, and the end face of body of rod end Y is fixedly connected through friction welding with the inner face of female joint 3 becomes one.The awl screwed pipe G of male joint 1 can with the equipped socket of the awl screw M of the female joint 3 of another pole body 2, two pole bodies 2 are connected as a single entity.Some pole bodies 2 can be connected to become long drill pipe through several male joints 1, female joint 3 front and back sockets.The top body of rod 2 is connected with drill bit, and the rearmost body of rod 2 is connected with rig, and the centre can increase the quantity of the body of rod 2 as required arbitrarily, confirms the length of whole drilling rod.
Consult Fig. 3, Fig. 4, Fig. 5, the body of rod 2 is triangular pipes that the center has prismatic body of rod endoporus H, the tapered extension in the end, and rounding off is to pipe shape body of rod end Y, and prismatoidal body of rod endoporus H expands to circular end-face hole D in the end.The cross section of N-N section display pole end of body Y is a tubular, and the aperture of the male joint macropore J of the aperture of end-face hole D and male joint 1 inner face, the female joint macropore W of female joint 3 inner faces is identical, and the wall thickness of end face is identical, is convenient to weld at end face fixing.The K-K section shows that the body of rod 2 is triangular tubular; Body of rod endoporus H is triangular hole; The body of rod 2 is with tubular body of rod end Y and seamlessly transits taper connection, and the pipe cross section of body of rod end Y is the circumscribed circle of the triangular body of rod 2, and the same tapered extension transition of body of rod endoporus H be the end-face hole D of circle.Adopt this form of structure, the body of rod 2 extends to tubular body of rod end Y by taper, and end face and male joint 1, female joint 3 bonding areas are big, and intensity is high, and stressed evenly moment of torsion is big under the equal material condition, more adapts to the stressed working environment of rotation.And formed three sections spaces between the cross section of the prismatic body of rod 2 and tubular body of rod end Y, and be convenient to deslagging during rotation, prevent that drilling rod from blocking, guarantee the boring progress, help enhancing productivity.Body of rod endoporus H is communicated with the male joint macropore J of male joint 1, the female joint macropore W of female joint 3 respectively through the end-face hole D at two ends; Some pole bodies 2 connect and compose stem through male joint 1, female joint 3 front and back; The high-pressure blast or the water of rig output arrive drill bit from central through hole, guarantee to drill to carry out smoothly.
Adopt the utility model and the rig supporting, improved the dash forward forward probe level of mine of the height in the colliery, for the spy water and the gas drainage under suction of mine provides assurance; Solved at weak seam effectively and a difficult problem of holing under than the viscosity coal seam conditions; Dismounting is easy to connect, and is safe in utilization, and matching performance is good; Wide accommodation, production efficiency is high.
Claims (4)
1. the triangular pyramid type drilling rod is used in a coal mine roadway probing, is formed by connecting the union of the body of rod (2) with two ends, it is characterized in that the body of rod (2) is the hollow tube in prismatic cross section; The body of rod end (Y) that the tapered extension transition in two ends is the pipe shape, an end is fixedly connected female joint (3), and the other end is fixedly connected male joint (1); Body of rod endoporus (H) is a through hole; Female joint (3) is the cylindrical pipe joint, and the center has awl screw (M), and male joint (1) is the step union; The center has stepped hole; Big end pipe connecting-rod body (2), small end is awl screwed pipe (G), can with the equipped socket of awl screw (M) of the female joint (3) of another pole body (2).
2. use the triangular pyramid type drilling rod according to the described coal mine roadway probing of claim 1; The body of rod end (Y) that it is characterized in that the described body of rod (2) two ends is identical with the end face diameter of female joint (3), male joint (1), is connected as a single entity with male joint (1), female joint (3) welding respectively.
3. use the triangular pyramid type drilling rod according to the described coal mine roadway probing of claim 1; The center, outer end that it is characterized in that described female joint (3) has awl screw (M); Inner center has female joint macropore (W), is communicated with awl screw (M) through female joint aperture (X), and female joint macropore (W) is identical with end-face hole (D) aperture of body of rod end (Y); Female joint (3) inner face and body of rod end (Y) welding are fixing, are connected as a single entity with the body of rod (2).
4. use the triangular pyramid type drilling rod according to the described coal mine roadway probing of claim 1; The outer end that it is characterized in that described male joint (1) is awl screwed pipe (G); Connect big end pipe and form the step union; The inner via hole (T) at awl screwed pipe (G) center connects the male joint macropore (J) in the big end pipe; The aperture of male joint macropore (J) is identical with end-face hole (D) aperture in body of rod end (Y), and the big end pipe end face of male joint (1) and body of rod end (Y) welding are fixing, are connected as a single entity with the body of rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203597641U CN202215157U (en) | 2011-09-23 | 2011-09-23 | Triangular pyramid-shaped drill rod for drilling coal mine roadway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203597641U CN202215157U (en) | 2011-09-23 | 2011-09-23 | Triangular pyramid-shaped drill rod for drilling coal mine roadway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202215157U true CN202215157U (en) | 2012-05-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203597641U Expired - Lifetime CN202215157U (en) | 2011-09-23 | 2011-09-23 | Triangular pyramid-shaped drill rod for drilling coal mine roadway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202215157U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143901A (en) * | 2013-04-03 | 2013-06-12 | 江苏拓海煤矿钻探机械有限公司 | Welding method of high-strength prism drill rod for gas drainage from coal bed |
| CN109372443A (en) * | 2018-12-14 | 2019-02-22 | 无锡双马钻探工具有限公司 | A kind of coal mine stem |
| CN114482877A (en) * | 2022-01-27 | 2022-05-13 | 泰州领航机械有限公司 | Combined drill rod joint |
-
2011
- 2011-09-23 CN CN2011203597641U patent/CN202215157U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143901A (en) * | 2013-04-03 | 2013-06-12 | 江苏拓海煤矿钻探机械有限公司 | Welding method of high-strength prism drill rod for gas drainage from coal bed |
| CN109372443A (en) * | 2018-12-14 | 2019-02-22 | 无锡双马钻探工具有限公司 | A kind of coal mine stem |
| CN114482877A (en) * | 2022-01-27 | 2022-05-13 | 泰州领航机械有限公司 | Combined drill rod joint |
| CN114482877B (en) * | 2022-01-27 | 2023-10-03 | 泰州领航机械有限公司 | Combined drill rod joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180503 Address after: 252600 Xintai Industrial Park, South Ring Road, Liaocheng, Linqing City, Shandong, China Patentee after: Shandong benefiting mining and Mining Technology Co., Ltd. Address before: 252600 room 2, unit 2, Zhan Qian District, Linqing City, Shandong, 302. Patentee before: Wang Haifeng |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120509 |
|
| CX01 | Expiry of patent term |