CN106677716A - Detachable connecting drill rod - Google Patents
Detachable connecting drill rod Download PDFInfo
- Publication number
- CN106677716A CN106677716A CN201611082363.XA CN201611082363A CN106677716A CN 106677716 A CN106677716 A CN 106677716A CN 201611082363 A CN201611082363 A CN 201611082363A CN 106677716 A CN106677716 A CN 106677716A
- Authority
- CN
- China
- Prior art keywords
- screw thread
- drilling rod
- inwall
- pipe box
- drill rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
- E21B17/0423—Threaded with plural threaded sections, e.g. with two-step threads
Abstract
The invention discloses a detachable connecting drill rod. The detachable connecting drill rod comprises an upper drill rod body, a lower drill rod body and a connecting pipe sleeve; the upper drill rod is of a hollow structure, one end of the detachable connecting drill rod is an upper connecting end which is in a semi-circular shape, and the outer surface of the upper connecting rod is provided with a thread; the lower drill rod body is of a hollow structure, one end of the lower drill rod body is a lower connecting end which is in a semi-circular shape, and the outer surface of the lower connecting end is provided with a thread; the inner wall of the connecting pipe sleeve is provided with a thread; and under an assembly state, the upper connecting end of the upper drill rod body and the lower connecting end of the lower drill rod body are inlaid through connecting pieces to form an integral circular pipe, the connecting pipe sleeve is installed on the connecting position of the upper drill rod body and the lower drill rod body in a sleeving mode, and the thread on the inner wall of the connecting sleeve pipe is engaged with the threads of the upper drill rod body and the lower drill rod body. The detachable connecting drill rod is compact in structure, good in airtightness and convenient to assemble and disassemble, an outer thread of the pipe sleeve only has a sealing connecting effect and does not need to bear delivered torque force, and stress of the threads of the pipe sleeve is effectively reduced.
Description
Technical field
The present invention relates to mechanical field used for geological prospecting, more particularly to a kind of removable jointed rod.
Background technology
With the high speed development of modern science and technology, all trades and professions are just being served in automation, intelligentized equipment, but in probing etc.
Geological exploration field, the automaticity of equipment is very low, and this field is generally inclined in remote mountains or very due to the particularity for working
Out-of-the-way region, operating mode is poor, and each side facilities are not enough, along with the relative closure of industry, result in intersection industry
Automation, intelligent equipment hardly enter this field.So in actual condition, the improvement of drilling equipment is held at pure
In the optimization innovation aspect of frame for movement, based on current conditions, patent of the present invention is also based on the innovative design of pure mechanic structure
On.Traditional rig down is difficult, and volume is difficult to carry greatly, link of especially going up a hill, and is one great to workpeople
Test, or even easily there is industrial injury;Need constantly to dismount drilling rod in drilling process and carry brill, if in this link of dismounting drilling rod
Energy compression time, then the efficiency of drilling coring will be greatly improved, and the labour intensity of workman also can decline.Therefore, rig must
Must develop to the direction such as miniaturization, automation, portable, to meet frequently dismounting and the requirement carried.
The information for being disclosed in the background section is merely intended to increase the understanding of the general background to the present invention, and should not
When the prior art for being considered to recognize or imply in any form the information structure well known to persons skilled in the art.
The content of the invention
It is an object of the invention to provide a kind of removable jointed rod, so as to overcome drilling rod to remove and install lacking for inconvenience
Point.
For achieving the above object, the invention provides a kind of removable jointed rod, including:Upper drilling rod, in hollow knot
Structure, described upper drilling rod one end is the upper connection end of semicircular in shape, and the outer surface of the upper connection end is provided with screw thread;Lower drilling rod, be in
Hollow structure, described lower drilling rod one end is the lower connection end of semicircular in shape, and the outer surface of the lower connection end is provided with screw thread;And
Connecting pipe box, the inwall of the connecting pipe box is provided with screw thread;Wherein, in the state of being assembled, the upper company of the upper drilling rod
Connect end and inlay the pipe to form an entirety by connector with the lower connection end of the lower drilling rod, the connection sleeve pipe is sheathed on
On the junction of the upper drilling rod and the lower drilling rod, the screw thread of the inwall of the connection sleeve pipe and the upper drilling rod and lower drilling rod
Screw thread intermeshing.
Preferably, it is described around round platform is provided with the upper drilling rod at the upper connection end in above-mentioned technical proposal
The flank that the outer surface of upper round platform is provided with, around being located at lower round platform on the lower drilling rod at the lower connection end, it is described under
The flank that the outer surface of round platform is provided with, the inwall at the two ends of the connecting pipe box is oblique, and the inclined inwall is provided with
Screw thread;In the state of being assembled, the screw thread on the tilt internal wall of the connecting tube two ends and the upper round platform and the lower circle
The flank intermeshing of platform outer surface.
Preferably, in above-mentioned technical proposal, the connecting pipe box include:Upper pipe box, its one end inwall is oblique, and this inclines
Oblique inwall is provided with screw thread, and the inwall of the upper pipe box is provided with internal thread;And lower pipe box, its one end inwall is inclined
Shape, the inclined inwall is provided with screw thread, and the inwall of the lower pipe box is provided with internal thread, and outer wall is provided with external screw thread;Wherein, entering
In the state of row assembling, the lower pipe box is sheathed on the lower drilling rod, the screw thread and institute on the tilt internal wall of the lower pipe box
State the flank engagement of lower round platform, the screw thread on the lower pipe box inwall and the upper drilling rod and the screw thread phase of lower drilling rod junctions
Mutually engagement, the screw thread on the tilt internal wall of the upper pipe box is engaged with the flank of upper round platform, interior on the upper pipe box inwall
The external screw thread that screw thread puts with the down tube is engaged.
Preferably, in above-mentioned technical proposal, the screw thread on the skewed inwall in two ends of the connecting pipe box is taper thread.
Preferably, in above-mentioned technical proposal, the connector is pin, and the pin is located on the upper joint face, institute
State lower joint face and be provided with the pin-and-hole cooperated in the pin.
Compared with prior art, the present invention has the advantages that:
(1) removable jointed rod of the invention, apparatus structure is compact, good airproof performance, easy accessibility, the patch of transmitting torque
Conjunction face has good intensity, and pipe box external screw thread only serves the effect of being tightly connected, without bearing transmitting torque power, alignment pin and pipe
Set carries brill jointly, effectively reduces the stress of pipe box screw thread.
(2) removable jointed rod of the invention has a compact conformation, easy accessibility, with preferable sealing,
When creeping at a high speed, the liquid in the middle of pipe will not be revealed, and moment of torsion transmission lifting surface area is big, uniform force, with higher transmission effect
Rate and transmission intensity, it is loaded down with trivial details to solve drilling rod dismounting well, rod member unbalance stress and the problems such as damaged and sealed, meet
Rig lightweight, miniaturization, the developing direction of automation, with good prospect is promoted the use.
Description of the drawings
Fig. 1 is the structural representation of removable jointed rod of the invention.
Fig. 2 is the horizontal profile of removable jointed rod of the invention.
Fig. 3 is the structural representation of upper drilling rod in removable jointed rod of the invention.
Fig. 4 is the structural representation of lower drilling rod in removable jointed rod of the invention.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield scope is not limited by specific embodiment.
Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims, term " including " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other units
Part or other parts.
As shown in Figures 1 to 4, according to a kind of removable jointed rod of the specific embodiment of the invention, including upper brill
Bar 1, lower drilling rod 2 and connecting pipe box 3.The upper connection end semicircular in shape structure of upper drilling rod 1, the lower connection end of lower drilling rod 2 is in semicircle
Shape structure, when being assembled, the upper connection end of upper drilling rod 1 inlays the pipe to form an entirety with the lower connection end of lower drilling rod 2,
Then connecting pipe box 3 on set, that is, complete the assembling of jointed rod.Apparatus structure is compact, easy accessibility.
More specifically embodiment is that upper drilling rod 1 is in hollow structure, and described one end of upper drilling rod 1 is provided with semicircular in shape
Upper connection end 11, upper connection end 11 is formed in one with upper drilling rod 1, and the outer surface of the upper connection end 11 is provided with screw thread.Upper company
Pin 4 is respectively equipped with the face of left and right two of the upper surface for connecing end 11.Lower drilling rod 2 is in hollow structure, and described one end of lower drilling rod 2 sets
There is the lower connection end 21 of semicircular in shape, lower connection end 21 is formed in one with lower drilling rod 2, and the outer surface of the lower connection end is provided with
Screw thread.The upper surface of lower connection end 21 is provided with the pin-and-hole 5 cooperated with pin 4.The inwall of connecting pipe box 3 is provided with screw thread.Wherein,
In the state of being assembled, the pin 4 on the upper connection end 11 of the upper drilling rod 1 inserts the lower connection end of the lower drilling rod 2
In pin-and-hole 5 on 21, upper drilling rod 1 and lower drilling rod 2 mutually inlay the pipe to form an entirety, and the connection sleeve pipe 3 is sheathed on
The junction of the upper drilling rod and the lower drilling rod, the screw thread of the inwall of the connection sleeve pipe 3 and the upper drilling rod and lower drilling rod
On screw thread intermeshing.Upper drilling rod 1 and lower drilling rod 2 are connected to form an entirety.
Two drilling rods are hollow, for water flowing or hydraulic oil.Upper drilling rod, lower drilling rod are inlayed using two semicircles and are coincide into
The connected mode of one overall pipe carrys out transmitting torque, and the ring cross-section inlayed is positioned using pin-and-hole and bayonet fittings, it is ensured that patch
Completely align in conjunction face;Prevent transmitting torque from being that upper and lower drilling rod misplaces and causes moment of torsion transmission failure or energy transmitting torque to damage
Connection member.The connection end that pipe box is connected to drilling rod and lower drilling rod is tightly connected, connected mode is taper thread, is sealed
Effect is good, meanwhile, it is tightly connected in the middle of pipe box and is linked using screw thread, meet sealing effectiveness to adjust whole pipe box length.
Alignment pin also can aid in carrying brill.
Preferably, it surround at the upper connection end 11 upper drilling rod and is provided with round platform 12, the upper round platform 12
The flank that outer surface is provided with, around located at lower round platform 22, the lower round platform on the lower drilling rod at the lower connection end 21
The flank that 22 outer surface is provided with, the inwall at the two ends of the connecting pipe box 3 is oblique, and the inclined inwall is provided with spiral shell
Line;In the state of being assembled, the screw thread on the tilt internal wall of the connecting tube two ends and the upper round platform and the lower round platform
The flank intermeshing of outer surface.
Preferably, in above-mentioned technical proposal, the connecting pipe box 3 include upper pipe box 31 and lower pipe box 32.Upper pipe box 31 1
End inwall is oblique, and the inclined inwall is provided with screw thread, and the middle part of the upper pipe box 31 is extended on the inwall of the other end
It is provided with internal thread.One end inwall of lower pipe box 32 is oblique, and the inclined inwall is provided with screw thread, the middle part of the lower pipe box 31
The inwall for extending to the other end is provided with internal thread, and the outer wall at the middle part of lower pipeline 31 is provided with external screw thread.Wherein, assembled
Under state, the lower pipe box 32 is sheathed on the lower drilling rod 2, the screw thread on the tilt internal wall of the lower pipe box 32 with it is described under
The flank engagement of round platform 22, the screw thread on the inwall of lower pipe box 32 and the upper drilling rod 1 and the screw thread of the lower junction of drilling rod 2
Intermeshing, the screw thread on the tilt internal wall of the upper pipe box 31 is engaged with the flank of upper round platform 12, in the upper pipe box 31
Internal thread on portion's inwall is engaged with the supermedial external screw thread of the lower pipe box 32.
Preferably, in above-mentioned technical proposal, the screw thread on the skewed inwall in two ends of the connecting pipe box is taper thread.Even
The two ends of adapter set adopt taper pipe thread, and for connecting upper and lower two drilling rod, the good sealing effect of taper pipe thread can be prevented effectively
Oil leak or leak.The centre of connecting pipe box 3 is connected using common metric thread, can adjust whole by the screwing length of screw thread
Individual connecting pipe box length ensures sealing effectiveness to meet the screwing length of upper drilling rod and lower drilling rod taper thread.Except sealing effectiveness
Outward, another main effect is to be threaded connection upper and lower two drilling rod, bear during brill responsive to axial force for carrying, it is ensured that carry
Brill action is smoothly completed.
It is aforementioned to the present invention specific illustrative embodiment description be in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explaining that the certain principles and its reality of the present invention should
With so that those skilled in the art can realize and using the present invention a variety of exemplaries and
A variety of selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (5)
1. a kind of removable jointed rod, it is characterised in that include:
Upper drilling rod, in hollow structure, described upper drilling rod one end for semicircular in shape upper connection end, the outer surface of the upper connection end
It is provided with screw thread;
Lower drilling rod, in hollow structure, described lower drilling rod one end for semicircular in shape lower connection end, the outer surface of the lower connection end
It is provided with screw thread;And
Connecting pipe box, the inwall of the connecting pipe box is provided with screw thread;
Wherein, in the state of being assembled, the upper connection end of the upper drilling rod passes through to connect with the lower connection end of the lower drilling rod
Fitting inlays the pipe to form an entirety, and the connection sleeve pipe is sheathed on the junction of the upper drilling rod and the lower drilling rod,
The screw thread of the inwall of the connection sleeve pipe is intermeshed with the screw thread on the upper drilling rod and lower drilling rod.
2. removable jointed rod according to claim 1, it is characterised in that the upper brill at the upper connection end
Around being provided with round platform on bar, the flank that the outer surface of the upper round platform is provided with, the lower drilling rod at the lower connection end
The flank that the upper outer surface around located at lower round platform, the lower round platform is provided with, the inwall at the two ends of the connecting pipe box is in incline
Ramp-like, the inclined inwall is provided with screw thread;Screw thread in the state of being assembled, on the tilt internal wall of the connecting tube two ends
It is intermeshed with the flank of the upper round platform and the lower round platform outer surface.
3. removable jointed rod according to claim 2, it is characterised in that the connecting pipe box include:
Upper pipe box, its one end inwall is oblique, and the inclined inwall is provided with screw thread, and the inwall of the upper pipe box is provided with interior
Screw thread;And
Lower pipe box, its one end inwall is oblique, and the inclined inwall is provided with screw thread, and the inwall of the lower pipe box is provided with interior spiral shell
Line, outer wall is provided with external screw thread;
Wherein, in the state of being assembled, the lower pipe box is sheathed on the lower drilling rod, the tilt internal wall of the lower pipe box
On screw thread engage with the flank of the lower round platform, the screw thread on the lower pipe box inwall and the upper drilling rod and lower drilling rod connect
The screw thread intermeshing at place is connect, the screw thread on the tilt internal wall of the upper pipe box is engaged with the flank of upper round platform, the upper pipe
The external screw thread that internal thread on set inwall puts with the down tube is engaged.
4. removable jointed rod according to claim 2, it is characterised in that the two ends of the connecting pipe box are skewed
Screw thread on inwall is taper thread.
5. removable jointed rod according to claim 1, it is characterised in that the connector is pin, the pin
On the upper joint face, the lower joint face is provided with the pin-and-hole cooperated in the pin to nail.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611082363.XA CN106677716B (en) | 2016-11-30 | 2016-11-30 | A kind of removable jointed rod |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611082363.XA CN106677716B (en) | 2016-11-30 | 2016-11-30 | A kind of removable jointed rod |
Publications (2)
Publication Number | Publication Date |
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CN106677716A true CN106677716A (en) | 2017-05-17 |
CN106677716B CN106677716B (en) | 2019-11-05 |
Family
ID=58867016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201611082363.XA Active CN106677716B (en) | 2016-11-30 | 2016-11-30 | A kind of removable jointed rod |
Country Status (1)
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CN (1) | CN106677716B (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD148527A1 (en) * | 1980-01-11 | 1981-05-27 | Ruediger Ungewiss | QUICK COUPLING FOR PIPE AND ASSEMBLY CONNECTIONS |
WO2003074835A1 (en) * | 2002-03-04 | 2003-09-12 | Weatherford/Lamb, Inc. | Rapid locking tubular coupling device |
US6749020B1 (en) * | 2000-11-07 | 2004-06-15 | Benoit Machine Inc. | Well screen two step coupled connector structure |
CN201351459Y (en) * | 2009-01-16 | 2009-11-25 | 首钢总公司 | Structure for connecting connectors of upper drill rod and lower drill rod of roller drilling machine with rod bodies |
CN204200101U (en) * | 2014-07-08 | 2015-03-11 | 江苏兴厦建设工程集团有限公司 | A kind of drilling rod adopting taper pipe thread and spline slide sleeve to be connected |
-
2016
- 2016-11-30 CN CN201611082363.XA patent/CN106677716B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD148527A1 (en) * | 1980-01-11 | 1981-05-27 | Ruediger Ungewiss | QUICK COUPLING FOR PIPE AND ASSEMBLY CONNECTIONS |
US6749020B1 (en) * | 2000-11-07 | 2004-06-15 | Benoit Machine Inc. | Well screen two step coupled connector structure |
WO2003074835A1 (en) * | 2002-03-04 | 2003-09-12 | Weatherford/Lamb, Inc. | Rapid locking tubular coupling device |
CN201351459Y (en) * | 2009-01-16 | 2009-11-25 | 首钢总公司 | Structure for connecting connectors of upper drill rod and lower drill rod of roller drilling machine with rod bodies |
CN204200101U (en) * | 2014-07-08 | 2015-03-11 | 江苏兴厦建设工程集团有限公司 | A kind of drilling rod adopting taper pipe thread and spline slide sleeve to be connected |
Also Published As
Publication number | Publication date |
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CN106677716B (en) | 2019-11-05 |
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