CN204729017U - The special double-wall drill pipe of novel native rock horizontal directional drilling machine - Google Patents
The special double-wall drill pipe of novel native rock horizontal directional drilling machine Download PDFInfo
- Publication number
- CN204729017U CN204729017U CN201520499266.5U CN201520499266U CN204729017U CN 204729017 U CN204729017 U CN 204729017U CN 201520499266 U CN201520499266 U CN 201520499266U CN 204729017 U CN204729017 U CN 204729017U
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- drilling rod
- pipe nipple
- mandrel
- horizontal directional
- interior
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Abstract
The utility model relates to the special double-wall drill pipe of a kind of novel native rock horizontal directional drilling machine, and comprise the outer drilling rod that is connected with main shaft and drilling rod in being connected with mandrel, mandrel is placed in the central through hole of main shaft, and interior drilling rod is placed in the centre bore of outer drilling rod; The end of described main shaft is provided with outer drilling rod by multistage first pipe nipple, and the first pipe nipple and outer drilling rod are for being threaded; Interior drilling rod is installed by multistage second pipe nipple in the end of mandrel, and the second pipe nipple and interior drilling rod are socket connection.The utility model adopts inside and outside jackrod structure, and the type of drive of conventional drill is changed over mechanical direct-connected driving by hydraulic drives, and moment of torsion increases greatly, substantially improves the drilling effect to lithostratigraphy; The utility model adopts inside and outside jackrod structure, and interior drilling rod adopts grafting to install, and outer drilling rod adopts and is threaded, and its fitting operation is simple, for convenience detach.
Description
Technical field
The utility model relates to geological prospecting equipment technical field, particularly relates to the drilling rod that rig is special.
Background technology
Horizontal directional drilling machine is under the condition in not excavating earth surface face, lay a kind of construction machinery of multiple subsurface utility (pipeline, cable etc.), it is widely used in the pipe installation constructions such as water supply, electric power, telecommunication, natural gas, coal gas, oil, it is applicable to the ground conditions such as sandy soil, clay, cobble, all can construct in the non-hard rock area of China's major part.Horizontal Directional Drilling is by the construction technique of the Technology of Directional Drilling of petroleum industry together with traditional pipeline construction methods combining, it has, and speed of application is fast, construction precision is high, low cost and other advantages, is widely used in the pipe installation construction workss such as water supply, coal gas, electric power, telecommunication, natural gas, oil.
In prior art, the drilling rod on horizontal directional drilling machine is independent drilling rod, and namely utilize an independent drilling rod to drill through, its inefficiency, and working method is single, for the survey area of complicated geology, its compliance is poor.
Utility model content
The applicant, for the above-mentioned shortcoming existed in the independent drilling rod use procedure in existing level directional drilling machine, carries out studying and designing, and provide a kind of novel native rock horizontal directional drilling machine special double-wall drill pipe, it has delicate structure, and quality is light, easy to operate feature.
The technical scheme that the utility model adopts is as follows:
The special double-wall drill pipe of a kind of novel native rock horizontal directional drilling machine, comprise the outer drilling rod that is connected with main shaft and drilling rod 4 in being connected with mandrel, mandrel is placed in the central through hole of main shaft, and interior drilling rod is placed in the centre bore of outer drilling rod;
The end of described main shaft is provided with outer drilling rod by multistage first pipe nipple, and the first pipe nipple and outer drilling rod are for being threaded; Interior drilling rod, the second pipe nipple and the interior drilling rod side of being socket connection are installed by multistage second pipe nipple in the end of mandrel.
Further improvement as technique scheme:
The end of described second pipe nipple and mandrel is by square socket connection, and the end of mandrel is with the first grafting male, and the end of the second pipe nipple is with the first grafting female coordinated with the first grafting male.
The end of described interior drilling rod and the end of the second pipe nipple are by square socket connection, and the end of the second pipe nipple is with the second grafting male, and the end of interior drilling rod is with the second grafting female coordinated with the second grafting male.
Between described the first adjacent pipe nipple, spiral connects, and the two ends of the first pipe nipple are respectively with the first screw thread box and screw thread pin thread.
Described outer drilling rod is connected with the first pipe nipple spiral, and the end of outer drilling rod is with the second screw thread box, and the second screw thread box coordinates with the screw thread pin thread of the first pipe nipple end and is spirally connected.
Described side is plugged to six side's grafting.
The beneficial effects of the utility model are as follows:
The utility model adopts inside and outside jackrod structure, and the type of drive of conventional drill is changed over mechanical direct-connected driving by hydraulic drives, and moment of torsion increases greatly, substantially improves the drilling effect to lithostratigraphy; The utility model adopts inside and outside jackrod structure, and interior drilling rod adopts grafting to install, and outer drilling rod adopts and is threaded, and its fitting operation is simple, for convenience detach.
Accompanying drawing explanation
Fig. 1 is the main sectional view of the utility model.
Fig. 2 is the structure chart that in the utility model, outer drilling rod installed by main shaft.
Fig. 3 is the structure chart that in the utility model, mandrel installs interior drilling rod.
In figure: 1, main shaft; 2, outer drilling rod; 3, mandrel; 31, the first grafting male; 4, interior drilling rod; 41, the second grafting female; 5, the first pipe nipple; 51, the first screw thread box; 52, screw thread pin thread; 21, the second screw thread box; 6, the second pipe nipple; 61, the first grafting female; 62, the second grafting male.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described.
As shown in Figure 1 to Figure 3, the special double-wall drill pipe of novel native rock horizontal directional drilling machine of the present embodiment, comprise the outer drilling rod 2 that is connected with main shaft 1 and drilling rod 4 in being connected with mandrel 3, mandrel 3 is placed in the central through hole of main shaft 1, and interior drilling rod 4 is placed in the centre bore of outer drilling rod 2; The end of main shaft 1 is provided with outer drilling rod 2, first pipe nipple 5 with outer drilling rod 2 for being threaded by multistage first pipe nipple 5; It is socket connection that interior drilling rod 4, second pipe nipple 6 is installed with interior drilling rod 4 by multistage second pipe nipple 6 in the end of mandrel 3.
As shown in Figure 3, the end of the second pipe nipple 6 and mandrel 3 by socket connection, the end of mandrel 3 with the end of the first grafting male 31, second pipe nipple 6 with the first grafting female 61 coordinated with the first grafting male 31.The end of interior drilling rod 4 and the end of the second pipe nipple 6 are by socket connection, and the end of the second pipe nipple 6 is with the second grafting male 62, and the end of interior drilling rod 4 is with the second grafting female 41 coordinated with the second grafting male 62.
As shown in Figure 2, between the first adjacent pipe nipple 5, spiral connects, and the two ends of the first pipe nipple 5 are respectively with the first screw thread box 51 and screw thread pin thread 52.Outer drilling rod 2 is connected with the first pipe nipple 5 spiral, and the end of outer drilling rod 2 to coordinate with the screw thread pin thread 52 of the first pipe nipple 5 end with the second screw thread box 21, second screw thread box 21 and is spirally connected.
In the utility model, employing be plugged to six side's grafting, simplify assembling process, simple to operate.
In the utility model, mandrel 3 is by fluid motor-driven, and main shaft 1 is driven by unit head, mandrel 3 drives interior drilling rod 4 to work in outer drilling rod 2, adopt mechanical direct-connected driving to instead of traditional hydraulic drives mode, its moment of torsion increases greatly, greatly improves the drilling effect to lithostratigraphy.
More than describing is to explanation of the present utility model, and be not the restriction to utility model, the utility model limited range is see claim, and when without prejudice to spirit of the present utility model, the utility model can do any type of amendment.
Claims (6)
1. the special double-wall drill pipe of novel native rock horizontal directional drilling machine, it is characterized in that: comprise the outer drilling rod (2) be connected with main shaft (1) and the interior drilling rod (4) be connected with mandrel (3), mandrel (3) is placed in the central through hole of main shaft (1), and interior drilling rod (4) is placed in the central through hole of outer drilling rod (2);
The end of described main shaft (1) is provided with outer drilling rod (2) by multistage first pipe nipple (5), and the first pipe nipple (5) and outer drilling rod (2) are for being threaded; Interior drilling rod (4) is installed by multistage second pipe nipple (6) in the end of mandrel (3), and the second pipe nipple (6) and interior drilling rod (4) are square socket connection.
2. the special double-wall drill pipe of novel native rock horizontal directional drilling machine as claimed in claim 1, it is characterized in that: the end of described second pipe nipple (6) and mandrel (3) is by square socket connection, the end of mandrel (3) is with the first grafting male (31), and the end of the second pipe nipple (6) is with the first grafting female (61) coordinated with the first grafting male (31).
3. the special double-wall drill pipe of novel native rock horizontal directional drilling machine as claimed in claim 1, it is characterized in that: the end of described interior drilling rod (4) and the end of the second pipe nipple (6) are by square socket connection, the end of the second pipe nipple (6) is with the second grafting male (62), and the end of interior drilling rod (4) is with the second grafting female (41) coordinated with the second grafting male (62).
4. the special double-wall drill pipe of novel native rock horizontal directional drilling machine as claimed in claim 1, it is characterized in that: between described adjacent the first pipe nipple (5), spiral connects, and the two ends of the first pipe nipple (5) are respectively with the first screw thread box (51) and screw thread pin thread (52).
5. the special double-wall drill pipe of novel native rock horizontal directional drilling machine as claimed in claim 1, it is characterized in that: described outer drilling rod (2) is connected with the first pipe nipple (5) spiral, the end of outer drilling rod (2) is with the second screw thread box (21), and the second screw thread box (21) coordinates with the screw thread pin thread (52) of the first pipe nipple (5) end and is spirally connected.
6. the special double-wall drill pipe of novel native rock horizontal directional drilling machine as described in claim arbitrary in claim 1 to 5, is characterized in that: described side is plugged to six side's grafting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520499266.5U CN204729017U (en) | 2015-07-10 | 2015-07-10 | The special double-wall drill pipe of novel native rock horizontal directional drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520499266.5U CN204729017U (en) | 2015-07-10 | 2015-07-10 | The special double-wall drill pipe of novel native rock horizontal directional drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204729017U true CN204729017U (en) | 2015-10-28 |
Family
ID=54387376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520499266.5U Expired - Fee Related CN204729017U (en) | 2015-07-10 | 2015-07-10 | The special double-wall drill pipe of novel native rock horizontal directional drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204729017U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989288A (en) * | 2015-07-10 | 2015-10-21 | 无锡中地钻探装备有限公司 | Novel special double-wall drill pipe for soil-rock horizontal directional drilling machine |
| WO2020063079A1 (en) * | 2018-09-25 | 2020-04-02 | 徐州徐工基础工程机械有限公司 | Double-walled drill pipe and drilling machine |
-
2015
- 2015-07-10 CN CN201520499266.5U patent/CN204729017U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989288A (en) * | 2015-07-10 | 2015-10-21 | 无锡中地钻探装备有限公司 | Novel special double-wall drill pipe for soil-rock horizontal directional drilling machine |
| WO2020063079A1 (en) * | 2018-09-25 | 2020-04-02 | 徐州徐工基础工程机械有限公司 | Double-walled drill pipe and drilling machine |
| US11268328B2 (en) | 2018-09-25 | 2022-03-08 | Xuzhou Xugong Foundation Construction Machinery Co., Ltd. | Double-walled drill pipe and drilling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20190710 |