CN105937370A - Bolt type tool joint - Google Patents
Bolt type tool joint Download PDFInfo
- Publication number
- CN105937370A CN105937370A CN201610528565.6A CN201610528565A CN105937370A CN 105937370 A CN105937370 A CN 105937370A CN 201610528565 A CN201610528565 A CN 201610528565A CN 105937370 A CN105937370 A CN 105937370A
- Authority
- CN
- China
- Prior art keywords
- tool joint
- less
- equal
- bolt
- pin clamp
- 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
- 238000007789 sealing Methods 0.000 claims description 28
- 238000011010 flushing procedure Methods 0.000 claims description 25
- 238000005553 drilling Methods 0.000 claims description 12
- 241000826860 Trapezium Species 0.000 claims description 3
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 5
- 230000002146 bilateral effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a bolt type tool joint which comprises a male tool joint body, a female tool joint body and a bolt. A first bolt opening is formed in the male tool joint body, a second bolt opening is formed in the female tool joint body, the bolt penetrates through the first bolt opening and the second bolt opening, the bolt is a rectangular right-angle table body, and the width of the bolt is smaller than the diameter of the male tool joint body. The bolt type tool joint is convenient to detach and can be conveniently used by a user.
Description
Technical field
The present invention relates to a kind of bolt-type tool joint.
Background technology
The connection of existing geological prospecting and engineering construction probing drilling rod all uses thread connection, needs in drilling rod
By the flushing liquor of high pressure, so two junctions need sealing fine, it is primarily present following shortcoming:
(1) stress that thread connection produces concentrates the intensity weakening tool joint, tool joint often occurs
Fracture accident；(2) need in the application to use pipe wrench or free pliers to disconnect, the narrowest
Place or be difficult to the instrument of putting to good use during work high above the ground, disconnect the most difficult, use twisting machine tool to disconnect dress
For costly.
Summary of the invention
The technical problem to be solved in the present invention, is to provide a kind of bolt-type tool joint, convenient disassembly,
User-friendly.
The present invention is achieved in that a kind of bolt-type tool joint, including a fillet of tool joint pins, drilling rod
Female joint, latch, described fillet of tool joint pins is provided with the first pin clamp, and described tool joint box is provided with
Second pin clamp, described latch passes described first pin clamp and the second pin clamp, and described latch is square
Shape right angle stage body, the width of described latch is less than the diameter of described fillet of tool joint pins.
Further, described second pin clamp is right-angled trapezium, and described latch is inserted through described second just
Lock-joint.
Further, described fillet of tool joint pins is provided with a jut, and described first pin clamp is described prominent
Playing the groove of portion's one side, described second pin clamp is just through described groove.
Further, also include that a sealing gasket, described sealing gasket are located at described fillet of tool joint pins female with drilling rod
Between joint.
Further, when flushing liquor pressure is less than 1.5MPa, described sealing gasket thickness is for being more than or equal to
3mm and less than 4mm；When flushing liquor pressure is more than or equal to 1.5MPa, and during less than 2.5MPa, institute
State sealing gasket thickness for more than or equal to 4mm and less than 6mm；When flushing liquor pressure is more than or equal to
2.5MPa, described sealing gasket thickness is more than or equal to 6mm.
Further, described latch is provided with an axial angle (1-a), when flushing liquor pressure is less than 1.5MPa
Time, axial angle (1-a) angle is more than 88 ° less than or equal to 89 °, when flushing liquor pressure is more than or equal to
1.5 and less than 2.5MPa time, axial angle (1-a) angle be more than 87 ° be less than or equal to 88 °, work as punching
Washing liquid pressure is more than or equal to 2.5MPa, and axial angle (1-a) angle is less than or equal to 87 ° more than 86 °.
Present invention have the advantage that one bolt-type tool joint of the present invention, it is only necessary to by tap or
Mechanical presses mode can complete to disconnect work, easy to operate simple, alleviate and disconnect labor intensity, especially
It is easy to the place narrow in place and high-altitude application；Coupled by square cross-section pin simultaneously and can avoid drilling rod
The stress of transverse section is concentrated, and improves the intensity of tool joint, the generation of deduction and exemption drill rod breaking accident.
Accompanying drawing explanation
The present invention is further illustrated the most in conjunction with the embodiments.
Fig. 1 is the structural representation of the present invention a kind of bolt-type tool joint.
Fig. 2 is the structural representation of the latch of the present invention a kind of bolt-type tool joint.
Fig. 3 is the top view of the fillet of tool joint pins of the present invention a kind of bolt-type tool joint.
Detailed description of the invention
As shown in Figure 1, Figure 2 and shown in Fig. 3, bolt-type tool joint of the present invention, including a drilling rod public access
101, latch 102, tool joint box 103 and sealing gasket 104, described fillet of tool joint pins 101
Being provided with the first pin clamp 1-a, described tool joint box 103 is provided with the second pin clamp 1-b, described
Latch 102 is through described first pin clamp 1-a and the second pin clamp 1-b, and described latch 102 is square
Shape right angle stage body, described second pin clamp 1-b is right-angled trapezium, and described latch 102 is just through described
Second pin clamp 1-b, (or drilling rod is female less than described fillet of tool joint pins 101 for the width of described latch 102
Joint 103) diameter, described fillet of tool joint pins 101 is provided with a jut 1011, and described first inserts
Lock-joint 1-a is the groove 1012 of described jut 1011 one side, and described second pin clamp 1-b is lucky
Through described groove 1012, described sealing gasket 104 is located at described fillet of tool joint pins 101 and is connect with drilling rod mother
Between 103, when flushing liquor pressure is less than 1.5MPa, described sealing gasket 104 thickness is for being more than
In 3mm and less than 4mm；When flushing liquor pressure is more than or equal to 1.5MPa, and during less than 2.5MPa,
Described sealing gasket 104 thickness is more than or equal to 4mm and less than 6mm；When flushing liquor pressure is more than
In 2.5MPa, described sealing gasket 104 thickness is more than or equal to 6mm.
Described latch 102 is provided with an axial angle (1-a), when flushing liquor pressure is less than 1.5MPa,
Axial angle (1-a) angle is more than 88 ° less than or equal to 89 °, when flushing liquor pressure is more than or equal to 1.5
And during less than 2.5MPa, axial angle (1-a) angle is less than or equal to 88 ° more than 87 °, works as flushing
Hydraulic coupling is more than or equal to 2.5MPa, and axial angle (1-a) angle is less than or equal to 87 ° more than 86 °.
One detailed description of the invention of the present invention:
Refering to Fig. 1, a kind of pin inserts the structural representation of formula tool joint, and connector includes fillet of tool joint pins
101, latch 102, tool joint box 103, sealing gasket 104 etc..Draw bail includes tool joint box
103 pin clamp 1-a, fillet of tool joint pins 101 pin clamp 1-b and sealing step 1-c etc..Described brill
Bar male joint 101 is taked to insert docking mode and is coupled with described tool joint box 104, between hole and axle is
Matched in clearance, with F/f, F/h, H/f coordinate be advisable, high pressure rinse liquid drilling rod should use F/h or
H/f coordinates.Described sealing gasket 104 preferably uses has certain elastic elaxtic seal, described sealing
The thickness of pad 104 is not preferably less than 1.5mm, should select the thickness of sealing gasket according to the flushing liquor pressure used
Degree, when flushing liquor pressure is less than 1.5MPa, can use 3-4mm sealing gasket, when using 1.5-
2.5MPa high pressure rinse liquid appropriate to the occasion use 4-6mm sealing gasket, rinses when using 2.5MPa supertension
More than 6mm sealing gasket should be used during liquid, or there is the prestressed sealing gasket of spring.Described male joint
Pin clamp 1-b is arranged on the outside of tool joint 101, and the degree of depth is not preferably less than 3mm, with 5-10mm
Being advisable, for the diameter tool joint more than 100mm, the degree of depth can suitably strengthen, monolateral pin clamp
The degree of depth is limited with the 1/6 of no more than diameter, the width of pin clamp to be limited not less than latch width, width
Both sides are plane；The pin clamp 1-a of described female joint is arranged on tool joint box inwall and drilling rod public access
101 positions corresponding for pin clamp 1-b, wherein the purpose that arranges of axial angle (such as Fig. 2) is when inserting
Pin inserts after pin-and-hole, by the insertion end top tight sealing pad 104 of fillet of tool joint pins 101, with reach sealing or
Person makes flushing liquor or compressed air not leak, it is ensured that cooling at the bottom of flushing liquor or compressed air press-in hole is bored
Head and the purpose of eliminating landwaste.Described pin clamp 1-a and 1-b is less than 65mm at tool joint diameter
The monolateral lock-joint of appropriate to the occasion use, can arrange monolateral pin or bilateral lock-joint, more than 90mm during 65-90mm
Time bilateral lock-joint should be set, bilateral pin should be symmetrical arranged.
Refering to Fig. 2, latch is rectangle right angle stage body, and 2-a is the axial angle that latch inserts pin-and-hole, 2-b
For the length of latch, 2-c is the thickness of latch.Described axial angle is according to the flushing liquor pressure used
Select, when flushing liquor pressure is less than 1.5MPa, 1-2 ° can be used, when using 1.5-2.5MPa
High pressure rinse liquid is appropriate to the occasion uses 2-3 °, should use 3-4 when using 2.5MPa supertension flushing liquor
°, use prestressed spring sealing gasket time should use 8-10 ° the biggest；Described latch thickness 2-b
Diameter according to tool joint selects, and is advisable with 3-10mm when the diameter of tool joint is less than 60mm；
During a diameter of 60-90mm of tool joint, it is advisable with 12-15mm during monolateral lock-joint, bilateral pin
Time be advisable with 6-10mm.The width 2-c of latch is by tool joint diameter and male joint 101 latch face
Diameter determine, do not expose tool joint external diameter with latch and be as the criterion (when exposing will affect drilling rod hand-hole).
Although the foregoing describing the detailed description of the invention of the present invention, but it is familiar with the technology people of the art
Member should be appreciated that our described specific embodiment is merely exemplary rather than for this
The restriction of bright scope, those of ordinary skill in the art are in the equivalence made according to the spirit of the present invention
Modify and change, all should contain in the scope of the claimed protection of the present invention.
Claims (6)
1. a bolt-type tool joint, it is characterised in that: include that a fillet of tool joint pins, drilling rod mother connect
Head, latch, described fillet of tool joint pins is provided with the first pin clamp, and described tool joint box is provided with second
Pin clamp, described latch passes described first pin clamp and the second pin clamp, and described latch is rectangular
Angle stage body, the width of described latch is less than the diameter of described fillet of tool joint pins.
A kind of bolt-type tool joint the most according to claim 1, it is characterised in that: described the
Two pin clamps are right-angled trapezium, and described latch is just through described second pin clamp.
A kind of bolt-type tool joint the most according to claim 1, it is characterised in that: described brill
Bar male joint is provided with a jut, and described first pin clamp is the groove of described jut one side, institute
State the second pin clamp just through described groove.
A kind of bolt-type tool joint the most according to claim 1, it is characterised in that: also include
One sealing gasket, described sealing gasket is located between described fillet of tool joint pins and tool joint box.
A kind of bolt-type tool joint the most according to claim 4, it is characterised in that: work as flushing
When hydraulic coupling is less than 1.5MPa, described sealing gasket thickness is more than or equal to 3mm and less than 4mm；When
Flushing liquor pressure is more than or equal to 1.5MPa, and during less than 2.5MPa, described sealing gasket thickness is for being more than
In 4mm and less than 6mm；When flushing liquor pressure is more than or equal to 2.5MPa, and described sealing gasket thickness is big
In equal to 6mm.
A kind of bolt-type tool joint the most according to claim 1, it is characterised in that: described slotting
Pin is provided with an axial angle (1-a), when flushing liquor pressure is less than 1.5MPa, and axial angle (1-a)
Angle is more than 88 ° less than or equal to 89 °, when flushing liquor pressure is more than or equal to 1.5 and less than 2.5MPa
Time, axial angle (1-a) angle is more than 87 ° less than or equal to 88 °, when flushing liquor pressure is more than or equal to
2.5MPa, axial angle (1-a) angle is less than or equal to 87 ° more than 86 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610528565.6A CN105937370B (en) | 2016-07-06 | 2016-07-06 | A kind of bolt-type tool joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610528565.6A CN105937370B (en) | 2016-07-06 | 2016-07-06 | A kind of bolt-type tool joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105937370A true CN105937370A (en) | 2016-09-14 |
| CN105937370B CN105937370B (en) | 2019-09-17 |
Family
ID=56873474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610528565.6A Expired - Fee Related CN105937370B (en) | 2016-07-06 | 2016-07-06 | A kind of bolt-type tool joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105937370B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485832A (en) * | 2020-04-27 | 2020-08-04 | 中煤科工集团重庆研究院有限公司 | Hexagonal inserted type outer groove high-pressure dense drill rod |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046014A (en) * | 1989-03-25 | 1990-10-10 | 四川石油管理局钻采工艺研究所 | A kind of rod connector |
| CN2232070Y (en) * | 1995-07-07 | 1996-07-31 | 柳发明 | Threaded key plug-in type drilling rod joint |
| CN2499628Y (en) * | 2001-04-06 | 2002-07-10 | 李正泉 | Pin shaft type joint |
| CN2720083Y (en) * | 2004-08-16 | 2005-08-24 | 朱建华 | Joint capable of dismounting drill rod |
| CN101074597A (en) * | 2007-06-26 | 2007-11-21 | 煤炭科学研究总院西安分院 | Elastic elliptic bolt |
| CN201045284Y (en) * | 2007-04-25 | 2008-04-09 | 煤炭科学研究总院西安分院 | Polygon conical surface matched splicing type auger stem |
| CN204960823U (en) * | 2015-09-21 | 2016-01-13 | 天合石油集团汇丰石油装备股份有限公司 | Wear -resisting joint of on -rotating |
| CN205823191U (en) * | 2016-07-06 | 2016-12-21 | 福建省正丰信息技术发展有限公司 | A kind of bolt-type tool joint |
-
2016
- 2016-07-06 CN CN201610528565.6A patent/CN105937370B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046014A (en) * | 1989-03-25 | 1990-10-10 | 四川石油管理局钻采工艺研究所 | A kind of rod connector |
| CN2232070Y (en) * | 1995-07-07 | 1996-07-31 | 柳发明 | Threaded key plug-in type drilling rod joint |
| CN2499628Y (en) * | 2001-04-06 | 2002-07-10 | 李正泉 | Pin shaft type joint |
| CN2720083Y (en) * | 2004-08-16 | 2005-08-24 | 朱建华 | Joint capable of dismounting drill rod |
| CN201045284Y (en) * | 2007-04-25 | 2008-04-09 | 煤炭科学研究总院西安分院 | Polygon conical surface matched splicing type auger stem |
| CN101074597A (en) * | 2007-06-26 | 2007-11-21 | 煤炭科学研究总院西安分院 | Elastic elliptic bolt |
| CN204960823U (en) * | 2015-09-21 | 2016-01-13 | 天合石油集团汇丰石油装备股份有限公司 | Wear -resisting joint of on -rotating |
| CN205823191U (en) * | 2016-07-06 | 2016-12-21 | 福建省正丰信息技术发展有限公司 | A kind of bolt-type tool joint |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485832A (en) * | 2020-04-27 | 2020-08-04 | 中煤科工集团重庆研究院有限公司 | Hexagonal inserted type outer groove high-pressure dense drill rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105937370B (en) | 2019-09-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190917 |