CN207315243U - A kind of double-walled combined drill rod - Google Patents
A kind of double-walled combined drill rod Download PDFInfo
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- CN207315243U CN207315243U CN201720946100.2U CN201720946100U CN207315243U CN 207315243 U CN207315243 U CN 207315243U CN 201720946100 U CN201720946100 U CN 201720946100U CN 207315243 U CN207315243 U CN 207315243U
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- drilling rod
- interior
- rod
- double
- hole
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Abstract
The utility model is suitable for drilling equipment field, provide a kind of double-walled combined drill rod, including interior drilling rod and outer drilling rod, the outer drilling rod offers through hole along its axis direction, the interior drilling rod is rotationally threaded through in the through hole of the outer drilling rod, and formed with the passage passed through for slurry fluid between the outer wall of the through-hole wall of the outer drilling rod and the interior drilling rod, the both ends of the interior drilling rod are separately installed with pin end and female connector, there is male thread on the outer wall of described outer drilling rod one end, and there is box thread on the through-hole wall of the outer drilling rod other end.The drilling rod can be easily accomplished the probing work in rock by the outer drilling rod that can independently rotate and interior drilling rod, and by being spliced and combined multiple drilling rods to adapt to the requirement of long range drilling operation.
Description
Technical field
The utility model belongs to drilling equipment field, more particularly to a kind of double-walled combined drill rod.
Background technology
At present, horizontal directional drilling machine is mainly used in no-dig technique field, realizes that the no-dig technique of various pipelines passes through laying pipe
Road, both can be laid with pipeline without excavated pavement.
Drilling rod is an important component of no-dig directional driller, is mainly used for underground long range drilling operation, drilling rod
Rotating needs the driving of slewing equipment.In the construction of reality, lithostratigraphy is often encountered, and existing horizontal drill is general
An only drilling rod, can not meet the construction requirement of this rock bottom during horizontal drilling, and then can not be in rock
The middle laying for completing pipeline.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of double-walled combined drill rod, it is intended to solves existing skill
The problem of horizontal drill in art can not be laid with pipeline in rock.
In order to solve the above technical problems, the utility model is realized in this way, a kind of double-walled combined drill rod, including interior brill
Bar and outer drilling rod, the outer drilling rod offer through hole along its axis direction, and the interior drilling rod is rotationally threaded through the outer brill
In the through hole of bar, and pass through between the outer wall of the through-hole wall of the outer drilling rod and the interior drilling rod formed with confession slurry fluid
Passage, the both ends of the interior drilling rod are separately installed with pin end and female connector, have public spiral shell on the outer wall of described outer drilling rod one end
Line, and there is box thread on the through-hole wall of the outer drilling rod other end.
Further, the interior drilling rod offers through hole, the pin end of the interior two ends of drill and mother along its axis direction
Cable female and cable male plug are separately installed with connector, is connected between the cable female and the cable male plug
There is cable, and the cable is threaded through in the through hole of the interior drilling rod.
Further, the interior drilling rod is integrally formed with the pin end and female connector.
Further, the pin end and female connector are six square joints or all directions connector.
Further, the drilling rod further includes preceding gauge support and the support of rear gauge, the preceding gauge support and rear gauge
Support is respectively sleeved at the both ends of the interior drilling rod.
Further, the preceding gauge support supports for three-jaw, and the rear gauge support supports for six pawls.
Further, the drilling rod further includes the wear-resisting slip ring and sky for drilling rod in fixation and outer drilling rod relative position
With spring collar, the wear-resisting slip ring and sky are set in spring collar on the interior drilling rod, and holding is in the outer brill
In the through hole of bar.
Compared with prior art, beneficial effect is the utility model：A kind of double-walled combined drill rod of the utility model,
It includes interior drilling rod and outer drilling rod.Due to offering through hole on the outer drilling rod, and interior drilling rod is rotationally threaded through described lead to
In hole, therefore interior drilling rod and outer drilling rod can be driven respectively by two different device for revolving and driving, to complete in rock
Work is drilled, and using the passage conveying mud between interior drilling rod and outer drilling rod, ensures the fluency drilled.It is simultaneously as interior
The both ends of drilling rod are separately installed with pin end and female connector, and the both ends of outer drilling rod have male thread and box thread respectively, therefore can
Multiple drilling rods are mutually stitched together, realize the transmission of moment of torsion, to adapt to the requirement of long range drilling operation.
Brief description of the drawings
Fig. 1 is a kind of structure diagram for double-walled combined drill rod that the utility model embodiment provides；
Fig. 2 is the cross-sectional view of interior drilling rod in Fig. 1；
Fig. 3 is the structure diagram of preceding gauge support in Fig. 1；
Fig. 4 is the structure diagram of rear gauge support in Fig. 1.
Embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining
The utility model, is not used to limit the utility model.
As shown in Figure 1, a kind of double-walled combined drill rod 100 provided for the utility model embodiment, it includes outer drilling rod 1
With interior drilling rod 2.
The outer drilling rod 1 offers through hole 11 along its axis direction, and the interior drilling rod 2 is rotationally threaded through the outer brill
In the through hole 11 of bar 1.Since outer drilling rod 1 and interior drilling rod 2 can be rotated independently, the outer drilling rod 1 and interior drilling rod 2 can be divided
Device for revolving and driving connections not different from two, at the same time drills lithostratigraphy using outer drilling rod 1 and interior drilling rod 2, from
And complete to be laid with the work of pipeline in lithostratigraphy.Meanwhile the through-hole wall of the outer drilling rod 1 and the interior drilling rod 2 is outer
Formed with passage 10 between wall, using the passage 10 for slurry fluid by ensureing the fluency drilled.
The both ends of the interior drilling rod 2 are separately installed with pin end 3 and female connector 4, described in the utility model embodiment
Pin end 3 and female connector 4 are six square joints or all directions connector, the interior drilling rod 2 and the pin end 3 and the one of female connector 4 into
Type, but it is not limited to integrally formed structure type.Meanwhile there is male thread 12 on the outer wall of described 1 one end of outer drilling rod, and institute
Stating has box thread 13 on the through-hole wall of outer 1 other end of drilling rod.Can will be multiple double by the male thread 12 and box thread 13
The outer drilling rod 1 of wall combined drill rod 100 is threaded togather, and while the threaded connection of multiple outer drilling rods 1, in outer drilling rod 1
The interior drilling rod 2 in portion is interconnected by the pin end 3 and female connector 4, so that spliced multiple double-walled groups
Box-like drilling rod 100 can adapt to the requirement of long range drilling operation.
With reference to Fig. 2, the interior drilling rod 2 offers through hole 21, the pin end 3 at interior 2 both ends of drilling rod along its axis direction
Be separately installed with cable female 5 and cable male plug 6 in female connector 4, the cable female 5 and the cable male plug
Cable 7 is connected between 6, and the cable 7 is threaded through in the through hole 21 of the interior drilling rod 2.When above-mentioned multiple double-walled groups
When the interior drilling rod 2 of box-like drilling rod 100 is connected with each other, the cable female 5 inside two neighboring interior drilling rod 2 understand correspondingly with cable
Male plug 6 plugs together, to realize the connection of multi-cable line 7.Since the cable 7 is threaded through the through hole 21 of the interior drilling rod 2
It is interior, therefore in drilling process, be not damaged, and while the interconnection of multiple double-walled combined drill rods 100, can be corresponding
Ground links together multi-cable line 7, avoids the independent connecting cable 7 of construction personnel, has saved the construction time, improved
Construction efficiency.
The drilling rod 100 further includes preceding gauge support 8 and rear gauge support 9, the preceding gauge support 8 and the support of rear gauge
9 are respectively sleeved at the both ends of the interior drilling rod 2, to be protected so as to play the role of support to drilling rod body 1.The utility model
In embodiment, the preceding gauge support 8 supports for three-jaw, and the rear gauge support 9 supports for six pawls, the three-jaw support 8
Leak paths are respectively formed between the two neighboring claw 91 of two neighboring 81 and six pawl of claw support 9, meanwhile, the leak paths
The passage 10 formed between outer drilling rod 1 and interior drilling rod 2 connects, and ensures that the mud in drilling process passes through.
The drilling rod 100 further includes wear-resisting slip ring 20 and sky spring collar 30, the wear-resisting slip ring 20 and empty use
Spring collar 30 is set on the interior drilling rod 2, and holding is in the through hole 11 of the outer drilling rod 1.Utilize the resistance to wear smooth
Ring 20 and it is empty with spring collar 30 fix in the relative position of drilling rod 2 and outer drilling rod 1 in the axial direction, prevent interior drilling rod 2 with
Outer drilling rod 1 departs from, and improves the stability of drilling rod 100.
In conclusion a kind of double-walled combined drill rod 100 that the utility model embodiment provides, it is by can independently rotate
Outer drilling rod 1 and interior drilling rod 2, the probing work in rock can be easily accomplished, and can adapt to long range drilling operation
It is required that.In addition, by the way that cable 7 is threaded through in the through hole 21 of interior drilling rod 2, cable can be protected, and pass through electricity
The cable female 5 at 7 both ends of cable realizes that the automatic of cable 7 is connected with cable male plug 6, avoids artificial connection cable
7 process, improves construction efficiency.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of double-walled combined drill rod, it is characterised in that including interior drilling rod and outer drilling rod, the outer drilling rod is along its axis direction
Through hole is offered, the interior drilling rod is rotationally threaded through in the through hole of the outer drilling rod, and the through-hole wall of the outer drilling rod
Formed with the passage passed through for slurry fluid between the outer wall of the interior drilling rod, the both ends of the interior drilling rod are separately installed with public affairs
Connector and female connector, have male thread on the outer wall of described outer drilling rod one end, and on the through-hole wall of the outer drilling rod other end
With box thread.
2. double-walled combined drill rod as claimed in claim 1, it is characterised in that the interior drilling rod is offered along its axis direction
Through hole, is separately installed with cable female and cable male plug, the electricity in the pin end and female connector of the interior two ends of drill
Cable is connected between cable female and the cable male plug, and the cable is threaded through the through hole of the interior drilling rod
It is interior.
3. double-walled combined drill rod as claimed in claim 1, it is characterised in that the interior drilling rod connects with the pin end and mother
It is first body formed.
4. double-walled combined drill rod as claimed in claim 1, it is characterised in that the pin end and female connector are six square joints
Or all directions connector.
5. double-walled combined drill rod as claimed in claim 1, it is characterised in that gauge support is with after before the drilling rod further includes
Gauge supports, and the preceding gauge support and rear gauge support the both ends for being respectively sleeved at the interior drilling rod.
6. double-walled combined drill rod as claimed in claim 5, it is characterised in that the preceding gauge support supports for three-jaw, institute
Rear gauge support is stated to support for six pawls.
7. double-walled combined drill rod as claimed in claim 1, it is characterised in that the drilling rod is further included for drilling rod in fixing
With wear-resisting slip ring and the sky spring collar of outer drilling rod relative position, the wear-resisting slip ring and sky are arranged with spring collar
On the interior drilling rod, and holding is in the through hole of the outer drilling rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720946100.2U CN207315243U (en) | 2017-07-31 | 2017-07-31 | A kind of double-walled combined drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720946100.2U CN207315243U (en) | 2017-07-31 | 2017-07-31 | A kind of double-walled combined drill rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207315243U true CN207315243U (en) | 2018-05-04 |
Family
ID=62433903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720946100.2U Active CN207315243U (en) | 2017-07-31 | 2017-07-31 | A kind of double-walled combined drill rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207315243U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485941A (en) * | 2019-08-28 | 2019-11-22 | 奥瑞拓能源科技股份有限公司 | A kind of wired guiding gas injection slag-draining device |
-
2017
- 2017-07-31 CN CN201720946100.2U patent/CN207315243U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485941A (en) * | 2019-08-28 | 2019-11-22 | 奥瑞拓能源科技股份有限公司 | A kind of wired guiding gas injection slag-draining device |
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