CN108278091A - A kind of not-go-end connector device for screwing up of cladding sucker rod - Google Patents
A kind of not-go-end connector device for screwing up of cladding sucker rod Download PDFInfo
- Publication number
- CN108278091A CN108278091A CN201810276726.6A CN201810276726A CN108278091A CN 108278091 A CN108278091 A CN 108278091A CN 201810276726 A CN201810276726 A CN 201810276726A CN 108278091 A CN108278091 A CN 108278091A
- Authority
- CN
- China
- Prior art keywords
- screw thread
- joint screw
- card body
- rod
- end connector
- 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
- 238000005253 cladding Methods 0.000 title claims abstract description 15
- 238000003801 milling Methods 0.000 claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 14
- 238000000576 coating method Methods 0.000 claims abstract description 14
- 230000003628 erosive effect Effects 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000007787 solid Substances 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
- E21B19/161—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe
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)
- Mutual Connection Of Rods And Tubes (AREA)
- Earth Drilling (AREA)
Abstract
A kind of not-go-end connector device for screwing up of cladding sucker rod,There is joint screw thread on the body of rod,Locking screw,It is stress relief groove between joint screw thread and locking screw,Outer shoulder is formed between joint screw thread and stress relief groove,Erosion resistant coating is wrapped on the body of rod,Not-go-end connector is connected on locking screw,Back-up tong card body has internal thread,Internal thread matches with the joint screw thread,There is undergauge section in back-up tong card body,Back-up tong card body milling is split into two halves and is buckled on joint screw thread,Internal thread and joint screw thread snapping,Undergauge section is limited by outer shoulder,Prevent back-up tong card body from moving back button on joint screw thread,Back-up tong card body milling is split into after two halves are buckled on the joint screw thread and is integrally fixed,Locking screw and the connection screw thread of not-go-end connector can be made to tighten,After not-go-end connector connect fastening with locking screw,The internal thread that milling is split on the back-up tong card body of two halves can be disengaged from joint screw thread,Tool rotation back-up tong card body is not needed it to be disassembled from the body of rod,It can guarantee the assembling quality of cladding sucker rod.
Description
Technical field
The invention belongs to the assembly equipments for the sucker rod that oil well pump in oil field pumping well is connect with pumping unit, are assembling packets
Cover the tool of sucker rod, the not-go-end connector device for screwing up of specifically a kind of cladding sucker rod.
Background technology
In oil pumping in oil fields system, sucker rod is immersed in well liquid and works, and Korrosionsmedium is contained in well liquid, to sucker rod
Corrosion is generated, causes the service life of rod string short, the oil well production period is short, deficiency in economic performance.In order to solve this problem,
Oil field used material type anticorrosive property sucker rod, but this sucker rod is metal material, and resistance to corrosion is limited, cannot be complete
It solves the problems, such as to be corroded.For this purpose, technical staff devises cladding sucker rod, high density has been coated on the body of rod of this sucker rod
Erosion resistant coating made of polyethylene, body of rod surface are not contacted with well liquid, and well liquid will not corrode sucker rod, this sucker rod such as Fig. 1 institutes
Show, is made of rod collar 7, not-go-end connector 2, the body of rod 3, erosion resistant coating 4, lower face and the not-go-end connector 6 of rod collar 7
Upper surface contacts, and so that rod collar 7 and the connection screw thread of the body of rod 3 is locked, it is made to be connected firmly, will not thread off.It realizes
Rod collar 7 and the head connection screw thread of the body of rod 3 are locked, it is necessary to assure not-go-end connector 6 and the connection screw thread of the body of rod 3 can twist
Tightly.Since the erosion resistant coating 4 on the body of rod 3 cannot make pipe wrench, the head of the body of rod 3 except erosion resistant coating 4 is exposed at also without making pipe wrench
Position, therefore, not-go-end connector 6 and the connection screw thread of the body of rod 3 can not tighten, and cause assembling cladding sucker rod difficult, it cannot be guaranteed that
Assembling quality influences the use for coating sucker rod.
Invention content
The purpose of the present invention is designing a kind of not-go-end connector device for screwing up of cladding sucker rod, sucker rod can will be coated
Not-go-end connector be fastened on cladding sucker rod, be reliably connected and lay a solid foundation with sucker rod is coated for rod collar.
The object of the present invention is achieved like this：A kind of not-go-end connector device for screwing up of cladding sucker rod, including not-go-end connect
Head, the body of rod, erosion resistant coating have joint screw thread, locking screw on the body of rod, and the joint screw thread, locking screw thread rotary orientation are identical,
It is stress relief groove between the joint screw thread and locking screw, the diameter of the stress relief groove is less than the connector
The bottom diameter of screw thread and locking screw makes the joint screw thread described in it and forms outer shoulder, the body of rod between the stress relief groove
On wrap erosion resistant coating, on the locking screw connect not-go-end connector, further include back-up tong card body, back-up tong card body has internal thread,
The internal thread matches with the joint screw thread, there is undergauge section in back-up tong card body, the diameter of the undergauge section be less than with
The bottom diameter of the joint screw thread, and being matched with the stress relief groove, back-up tong card body milling be split into two halves be buckled in it is described
On joint screw thread, the internal thread and the joint screw thread snapping, the undergauge section are in the stress relief groove
Place, the undergauge section are limited by the outer shoulder, and back-up tong card body is prevented to be opened from moving back button, back-up tong card body milling on joint screw thread
It is integrally fixed after being buckled in into two on the joint screw thread.
The beneficial effects of the invention are as follows：Locking screw and the connection screw thread of not-go-end connector can be made to tighten, keep not-go-end connector tight
Gu on the body of rod, be equivalent to the body of rod have it is reliable push away bearing surface, not-go-end connector connect with the locking screw fasten after, remove
Fixed milling is split into the fixing device of the back-up tong card body of two halves, and milling is split into the internal thread on the back-up tong card body of two halves can be from connector spiral shell
It is disengaged on line, not needing tool rotation back-up tong card body can disassemble it from the body of rod, therefore, when dismantling back-up tong card body
Not-go-end connector and the connection tautness of the locking screw will not be caused to decline.The present invention can guarantee the assembly of cladding sucker rod
Quality ensures that cladding sucker rod uses reliably and with long-term, has the economic benefit being old for one's age.
Description of the drawings
Fig. 1 is the structure chart of existing cladding sucker rod.In figure：7 be rod collar, and 2 be not-go-end connector, and 3 be the body of rod, 4
It is erosion resistant coating.
Fig. 2 is the structure chart that part 3 coats after erosion resistant coating in Fig. 1.
Fig. 3 is the structure chart of the present invention.
Fig. 4 is that 1 milling of part is split into the vertical view after two halves in Fig. 3.
Fig. 5 is cutaway view at A-A in Fig. 4.
Specific implementation mode
It is illustrated with reference to pair the embodiment of the present invention of Fig. 2,3,4,5.
By Fig. 2,3,4,5 it is found that the embodiment of the present invention includes back-up tong card body 1, not-go-end connector 2, the body of rod 3, erosion resistant coating 4,
There are joint screw thread 3-1, locking screw 3-4 on the body of rod 3, the joint screw thread 3-1, locking screw 3-4 thread rotary orientations are identical, institute
It is stress relief groove 3-3 between the joint screw thread 3-1 stated and locking screw 3-4, the diameter of the stress relief groove 3-3 is less than
The bottom diameter of the joint screw thread 3-1 and locking screw 3-4（Path）, make the joint screw thread 3-1 described in it and the stress
Outer shoulder 3-2 is formed between elimination slot 3-3, erosion resistant coating 4 made of high-density polyethylene is wrapped on the body of rod 3, in the locking
Not-go-end connector 2 is connected on screw thread 3-4, under the stress relief groove 3-3, back-up tong card body 1 has for the upper surface of not-go-end connector 2
Internal thread 1-2, the internal thread 1-2 match with the joint screw thread 3-1（Button-type, nominal diameter are identical）, back-up tong card body 1
Inside there are the diameter of undergauge section 1-1, the undergauge section 1-1 to be less than the bottom diameter with the joint screw thread 3-1（Path）, and with institute
The stress relief groove 3-3 stated is matched, and 1 milling of back-up tong card body is split into two halves and is buckled on the joint screw thread 3-1, the interior spiral shell
Line 1-2 and the joint screw thread 3-1 snappings（The two screw thread is spun together）, the undergauge section 1-1 is in described and answers
Power is eliminated at slot 3-3, and the undergauge section 1-1 is limited by the outer shoulder 3-2, and back-up tong card body 1 is by the outer shoulder 3-2
Cannot be rotated after limit, prevent back-up tong card body 1 from moving back button on joint screw thread 3-1,1 milling of back-up tong card body be split into two halves be buckled in it is described
Joint screw thread 3-1 on after be integrally fixed（It is equivalently employed without milling and is split into two halves, internal thread thereon could be with joint screw thread 3-
1 effectively screws）.
The internal thread 1-2 and the joint screw thread 3-1 snappings, the undergauge section 1-1 is by the outer shoulder
3-2 is limited, and back-up tong card body 1 is prevented to be split into two halves from moving back button, 1 milling of back-up tong card body on joint screw thread 3-1 and be buckled in the connector
It is integrally fixed after on screw thread 3-1, fixing back-up tong card body 1 prevents it from rotating（The half of back-up tong card body 1 is welded on work
On platform）, rotation not-go-end connector 2, the body of rod 3 cannot rotate, and locking screw 3-4 and the connection screw thread of not-go-end connector 2 can be made to tighten,
So that not-go-end connector 2 is fastened on the body of rod 3, is equivalent to the body of rod 3 and has and reliable push away bearing surface, not-go-end connector 2 and the locking screw
After line 3-4 connections fastening, the fixing device that fixed milling is split into the back-up tong card body 1 of two halves is removed, milling is split into the back-up tong card body 1 of two halves
On internal thread can be disengaged from joint screw thread 3-1, not needing tool rotation back-up tong card body 1 can tear it open from the body of rod 3
It unloads down, therefore, the connection tautness of not-go-end connector 2 and the locking screw 3-4 will not be caused when dismantling back-up tong card body 1
Decline.Back-up tong card body 1 is disassembled from the joint screw thread 3-1 installs rod collar just as shown in Figure 1 again
Cladding sucker rod.
The body of rod 3, which has, reliably pushes away bearing surface, can be locked after just rod collar 7 capable of being made to be connect with joint screw thread 3-1, oil pumping
Bar box cupling 7 will not thread off.
1 milling of back-up tong card body is split into the method being integrally fixed after two halves are buckled on the joint screw thread 3-1 for ability
Various structures are can be designed that for the technical staff in domain, each structure will depend on the present invention that could implement, so, this
Invention is not split into the measure that the when of being used after two halves is integrally fixed again to 1 milling of back-up tong card body and is described.
Claims (1)
1. a kind of not-go-end connector device for screwing up of cladding sucker rod, including not-go-end connector（2）, the body of rod（3）, erosion resistant coating（4）, the body of rod
（3）On have joint screw thread（3-1）, locking screw（3-4）, the joint screw thread（3-1）, locking screw（3-4）Thread rotary orientation
Identical, described joint screw thread（3-1）With locking screw（3-4）Between be stress relief groove（3-3）, the stress relief groove
（3-3）Diameter be less than the joint screw thread（3-1）With locking screw（3-4）Bottom diameter, make the joint screw thread described in it（3-
1）With the stress relief groove（3-3）Between form outer shoulder（3-2）, the body of rod（3）On wrap erosion resistant coating（4）, described
Locking screw（3-4）Upper connection not-go-end connector（2）, it is characterized in that：It further include back-up tong card body（1）, back-up tong card body（1）There is internal thread
（1-2）, the internal thread（1-2）With the joint screw thread（3-1）Match, back-up tong card body（1）Inside there is undergauge section（1-1）,
The undergauge section（1-1）Diameter be less than and the joint screw thread（3-1）Bottom diameter, and with the stress relief groove
（3-3）It matches, back-up tong card body（1）Milling is split into two halves and is buckled in the joint screw thread（3-1）On, the internal thread（1-2）
With the joint screw thread（3-1）Snapping, the undergauge section（1-1）In the stress relief groove（3-3）Place, it is described
Undergauge section（1-1）By the outer shoulder（3-2）Limit, makes back-up tong card body（1）It cannot be in joint screw thread（3-1）On move back button, carry on the back
Clamp card body（1）Milling is split into two halves and is buckled in the joint screw thread（3-1）It is integrally fixed after upper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810276726.6A CN108278091B (en) | 2018-03-30 | 2018-03-30 | End-stop joint tightening device for cladding sucker rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810276726.6A CN108278091B (en) | 2018-03-30 | 2018-03-30 | End-stop joint tightening device for cladding sucker rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108278091A true CN108278091A (en) | 2018-07-13 |
| CN108278091B CN108278091B (en) | 2024-05-17 |
Family
ID=62810738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810276726.6A Active CN108278091B (en) | 2018-03-30 | 2018-03-30 | End-stop joint tightening device for cladding sucker rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108278091B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5119700A (en) * | 1991-03-01 | 1992-06-09 | Titan Tool Company | Automatic stud driving tool having collarless retention mechanism for driven head |
| JPH1144313A (en) * | 1997-07-29 | 1999-02-16 | Somic Ishikawa:Kk | Rotation stopping member for fastening member and clamp device |
| US5907983A (en) * | 1997-09-08 | 1999-06-01 | Spirer; Steven E. | Stud remover |
| KR200265048Y1 (en) * | 2001-11-29 | 2002-02-21 | 송완재 | Box spanner |
| US20030085570A1 (en) * | 1999-12-03 | 2003-05-08 | Siderca S.A.I.C. | Assembly of hollow torque transmitting sucker rods |
| US20080110303A1 (en) * | 2006-11-10 | 2008-05-15 | Mccabe Timothy P | Thread gripping tool |
| CN104499952A (en) * | 2014-11-25 | 2015-04-08 | 张永祥 | Anticorrosion oil pumping rod |
| CN205057896U (en) * | 2015-10-13 | 2016-03-02 | 重庆建设机电有限责任公司 | Dismounting and mounting tool for stud bolt |
| CN107152244A (en) * | 2016-03-04 | 2017-09-12 | 特纳瑞斯连接有限公司 | Sucker rod end |
| CN208024310U (en) * | 2018-03-30 | 2018-10-30 | 山东博诺利石油装备有限公司 | A kind of not-go-end connector device for screwing up of cladding sucker rod |
| CN208981974U (en) * | 2018-10-14 | 2019-06-14 | 滨州华闻机械有限责任公司 | A kind of cladding sucker rod tightened convenient for connector |
-
2018
- 2018-03-30 CN CN201810276726.6A patent/CN108278091B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5119700A (en) * | 1991-03-01 | 1992-06-09 | Titan Tool Company | Automatic stud driving tool having collarless retention mechanism for driven head |
| JPH1144313A (en) * | 1997-07-29 | 1999-02-16 | Somic Ishikawa:Kk | Rotation stopping member for fastening member and clamp device |
| US5907983A (en) * | 1997-09-08 | 1999-06-01 | Spirer; Steven E. | Stud remover |
| US20030085570A1 (en) * | 1999-12-03 | 2003-05-08 | Siderca S.A.I.C. | Assembly of hollow torque transmitting sucker rods |
| KR200265048Y1 (en) * | 2001-11-29 | 2002-02-21 | 송완재 | Box spanner |
| US20080110303A1 (en) * | 2006-11-10 | 2008-05-15 | Mccabe Timothy P | Thread gripping tool |
| CN104499952A (en) * | 2014-11-25 | 2015-04-08 | 张永祥 | Anticorrosion oil pumping rod |
| CN205057896U (en) * | 2015-10-13 | 2016-03-02 | 重庆建设机电有限责任公司 | Dismounting and mounting tool for stud bolt |
| CN107152244A (en) * | 2016-03-04 | 2017-09-12 | 特纳瑞斯连接有限公司 | Sucker rod end |
| CN208024310U (en) * | 2018-03-30 | 2018-10-30 | 山东博诺利石油装备有限公司 | A kind of not-go-end connector device for screwing up of cladding sucker rod |
| CN208981974U (en) * | 2018-10-14 | 2019-06-14 | 滨州华闻机械有限责任公司 | A kind of cladding sucker rod tightened convenient for connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108278091B (en) | 2024-05-17 |
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