CN204299488U - Double-walled horizontal directional drill driver drilling rod - Google Patents
Double-walled horizontal directional drill driver drilling rod Download PDFInfo
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- CN204299488U CN204299488U CN201420744645.1U CN201420744645U CN204299488U CN 204299488 U CN204299488 U CN 204299488U CN 201420744645 U CN201420744645 U CN 201420744645U CN 204299488 U CN204299488 U CN 204299488U
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Abstract
The utility model belongs to trenchless pipelaying field of mechanical technique, relate to a kind of double-walled horizontal directional drill driver drilling rod, comprise outer drilling rod, rotate in described outer drilling rod inner chamber and be provided with interior drilling rod, described outer drilling rod upper end is provided with taper box thread, and lower end is provided with taper male thread; Described interior drilling rod top is positioned at taper box thread lower position, and interior drilling rod upper end is provided with interior six square joints, and interior drilling rod lower end is provided with outer six square joints; In described, six square joints and outer six square joints match, and taper box thread and taper male thread match.The utility model structure is simple, ingenious, reasonable, is connected, the grafting of interior drilling rod six square joint by outer drilling rod tapered thread, can transmitting torque, can transmit slide force again, it is simple that it manufactures processing, installation, dismounting drilling rod conveniently, can make cost and operation easier greatly reduce.
Description
Technical field
The utility model belongs to trenchless pipelaying field of mechanical technique, relates to a kind of double-walled horizontal directional drill driver drilling rod.
Background technology
In prior art, the connected mode of the double-wall drill pipe that double-walled horizontal directional drilling machine uses is threaded.It unloads in drilling rod process upper, interior drilling rod adopts with interior drilling rod and is threaded, outer drilling rod adopts with outer drilling rod and is threaded, the type of attachment of its complexity not only increases the complexity of rig mechanism, also add the complexity of inside and outside drilling rod production and processing, the syndeton of next two screw thread also add the operation easier of cost of production and rig personnel.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of structure simple, ingenious, rational double-walled horizontal directional drill driver drilling rod is provided, this drilling rod can reduce the complexity of mechanism effectively, and reduces the operation easier of cost of production and rig personnel.
Technical scheme according to the utility model provides: a kind of double-walled horizontal directional drill driver drilling rod, it is characterized in that: comprise outer drilling rod, rotate in described outer drilling rod inner chamber and be provided with interior drilling rod, described outer drilling rod upper end is provided with taper box thread, and lower end is provided with taper male thread; Described interior drilling rod top is positioned at taper box thread lower position, and interior drilling rod upper end is provided with interior six square joints, and interior drilling rod lower end is provided with outer six square joints; In described, six square joints and outer six square joints match, and taper box thread and taper male thread match; Described outer drilling rod effective length and interior drilling rod effective length match.
As further improvement of the utility model, described outer drilling rod inwall is formed with spacing preiection, spacing preiection surface and interior drilling rod surface abutting contact.
As further improvement of the utility model, the thick head in formation top, position, described outer drilling rod top, the external diameter of the thick head in top is greater than the external diameter outer drilling rod being attached thereto position, and top thick head internal diameter equals the internal diameter outer drilling rod being attached thereto position.
As further improvement of the utility model, described outer drilling rod lower end part forms the thick head in lower end, and the external diameter of the thick head in lower end is greater than the external diameter outer drilling rod being attached thereto position, and lower end thick head internal diameter is less than the internal diameter outer drilling rod being attached thereto position.
As further improvement of the utility model, described outer drilling rod is provided with annular groove corresponding to below the rest position of taper box thread.
The utility model compared with prior art, advantage is: the utility model structure is simple, ingenious, reasonable, connected by outer drilling rod tapered thread, the grafting of interior drilling rod six square joint, can transmitting torque, can transmit slide force again, it is simple that it manufactures processing, installation, dismounting drilling rod conveniently, can make cost and operation easier greatly reduce.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is using state schematic diagram of the present utility model.
Fig. 3 is the partial enlarged drawing of two drilling rod junctions in Fig. 2.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in Fig. 1 ~ 3, comprise outer drilling rod 1, taper box thread 1a, taper male thread 1b, interior drilling rod 2, interior six square joint 2a, outer six square joint 2b, spacing preiection 3, thick 4, top, annular groove 5, lower end thick 6 etc.
As shown in Fig. 1 ~ 3, a kind of double-walled horizontal directional drill of the utility model driver drilling rod, comprises outer drilling rod 1, and rotate in described outer drilling rod 1 inner chamber and be provided with interior drilling rod 2, described outer drilling rod 1 upper end is provided with taper box thread 1a, and lower end is provided with taper male thread 1b; Described interior drilling rod 2 top is positioned at taper box thread 1a lower position, and interior drilling rod 2 upper end is provided with interior six square joint 2a, and interior drilling rod 2 lower end is provided with outer six square joint 2b; In described, six square joint 2a and outer six square joint 2b match, and taper box thread 1a and taper male thread 1b matches, and described outer drilling rod effective length and interior drilling rod effective length match.
Described outer drilling rod 1 inwall is formed with spacing preiection 3, spacing preiection 3 surface and the surperficial abutting contact of interior drilling rod 2.
Thick 4, formation top, position, described outer drilling rod 1 top, the external diameter that top is thick 4 is greater than the external diameter outer drilling rod 1 being attached thereto position, and thick of top 4 internal diameters equal the internal diameter outer drilling rod 1 being attached thereto position.
Described outer drilling rod 1 lower end part forms lower end thick 6, and the external diameter that lower end is thick 6 is greater than the external diameter outer drilling rod 1 being attached thereto position, and thick of lower end 6 internal diameters are less than the internal diameter outer drilling rod 1 being attached thereto position.
Described outer drilling rod 1 is provided with annular groove 5 corresponding to below the rest position of taper box thread 1a.
Use procedure of the present utility model: Fig. 1 is structural representation of the present utility model, in the course of the work, uses together with outer drilling rod 1 is bushed in interior drilling rod 2.The taper box thread 1a of outer the drilling rod 1 and taper male thread 1b of an other outer drilling rod screws and links together, both can transmitting torque, can also transmit slide force; The interior six square joint 2a of described interior drilling rod 2 are together with the outer six square joint 2b socket connections of an other interior drilling rod, and the structure of this six square joints can transmit the moment of torsion needed for interior drilling rod.Slide force required in the course of work is born primarily of outer drilling rod 1, and described outer drilling rod 1 can freely relatively rotate with interior drilling rod 2, and its revolution action is independent of each other, and can bear the moment of torsion separately required for revolution respectively.
Claims (5)
1. a double-walled horizontal directional drill driver drilling rod, it is characterized in that: comprise outer drilling rod (1), rotate in described outer drilling rod (1) inner chamber and be provided with interior drilling rod (2), described outer drilling rod (1) upper end is provided with taper box thread (1a), and lower end is provided with taper male thread (1b); Described interior drilling rod (2) top is positioned at taper box thread (1a) lower position, and interior drilling rod (2) upper end is provided with interior six square joints (2a), and interior drilling rod (2) lower end is provided with outer six square joints (2b); In described, six square joints (2a) and outer six square joints (2b) match, and taper box thread (1a) and taper male thread (1b) match.
2. double-walled horizontal directional drill driver drilling rod as claimed in claim 1, is characterized in that: described outer drilling rod (1) inwall is formed with spacing preiection (3), spacing preiection (3) surface and interior drilling rod (2) surperficial abutting contact.
3. double-walled horizontal directional drill driver drilling rod as claimed in claim 1, it is characterized in that: the thick head in described formation top, outer drilling rod (1) position, top (4), the external diameter on the thick head in top (4) is greater than the external diameter outer drilling rod (1) being attached thereto position, and top thick head (4) internal diameter equals the internal diameter outer drilling rod (1) being attached thereto position.
4. double-walled horizontal directional drill driver drilling rod as claimed in claim 1, it is characterized in that: described outer drilling rod (1) lower end part forms the thick head in lower end (6), the external diameter of the thick head in lower end (6) is greater than the external diameter outer drilling rod (1) being attached thereto position, and lower end thick head (6) internal diameter is less than the internal diameter outer drilling rod (1) being attached thereto position.
5. double-walled horizontal directional drill driver drilling rod as claimed in claim 1, is characterized in that: be provided with annular groove (5) below the upper rest position corresponding to taper box thread (1a) of described outer drilling rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420744645.1U CN204299488U (en) | 2014-12-01 | 2014-12-01 | Double-walled horizontal directional drill driver drilling rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420744645.1U CN204299488U (en) | 2014-12-01 | 2014-12-01 | Double-walled horizontal directional drill driver drilling rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204299488U true CN204299488U (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420744645.1U Active CN204299488U (en) | 2014-12-01 | 2014-12-01 | Double-walled horizontal directional drill driver drilling rod |
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| Country | Link |
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| CN (1) | CN204299488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481419A (en) * | 2014-12-01 | 2015-04-01 | 无锡市钻通工程机械有限公司 | Drill rod of double-wall horizontal directional drilling machine |
-
2014
- 2014-12-01 CN CN201420744645.1U patent/CN204299488U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481419A (en) * | 2014-12-01 | 2015-04-01 | 无锡市钻通工程机械有限公司 | Drill rod of double-wall horizontal directional drilling machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |