CN101144371A - Pumping rod connecting device - Google Patents
Pumping rod connecting device Download PDFInfo
- Publication number
- CN101144371A CN101144371A CNA2007101660776A CN200710166077A CN101144371A CN 101144371 A CN101144371 A CN 101144371A CN A2007101660776 A CNA2007101660776 A CN A2007101660776A CN 200710166077 A CN200710166077 A CN 200710166077A CN 101144371 A CN101144371 A CN 101144371A
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- rod
- sucker rod
- connecting device
- main body
- adapter sleeve
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Abstract
The invention relates to a sucker rod connecting device, In order to overcome the disadvantages existing in the connecting device in the existing sucker rod connection that the structure is complex, the processing difficulty is big, the connecting device is not convenient for field application, and the anti-falling effect is not stably, the upper end of the sucker rod main body (20) of the invention is firmly connected with a connecting sleeve (3), and a key way (12) is arranged at the upper end part of the sucker rod main body (20); a convex step (10) is arranged at the lower end of a sucker rod body (21), and a key (11) is arranged at the lower part of the convex step (10); the sucker rod body (21) is provided with a fixing sleeve (2), and the fixing sleeve (2) has a thread connected with the connecting sleeve (3); the sucker rod main body (20) consists of an upper connector I (22), the sucker rod body (21) and an anti-rotating rod (13) in a firm connection way in sequence from upside to bottom. The invention has the advantages that the structure is simple and reasonable; the connection is safe and reliable, as well as the operation is convenient.
Description
Affiliated technical field
The present invention relates to the special-purpose downhole tool of a kind of pumpingh well, especially relate to a kind of pumping rod connecting device.
Background technology
Sucker rod is that the power of oil pumper and motion are passed to the parts that oil well pump aspirates.Sucker rod is the elongate rod that is coupled together by box cupling successively by tens of to hundreds of sucker rods.In the oil pumping course of work, because roofbolt bears asymmetric repeat load, when driving sucker rod and move back and forth, because stroke magnitude of load and direction change and cause vibration up and down as: pumping unit horsehead, bring added impact load to sucker rod, cause the sucker rod connecting thread to get loose; Because hole deviation makes oil pipe center line and the sucker rod gravity direction in the oil well inconsistent, rod string is subjected to the additional torque effect in variable motion process up and down reciprocatingly, the direction of moment of torsion changes along with the variation of the rod string direction of motion, has formed the moment of torsion that unscrews to the rod string screw thread; Because the vibration that rod sag, speed change cause forms shock loading, causes additional torque, the moment of torsion that unscrews that is created on the rod string is strengthened, cause the loosening of connecting thread so that thread off.
At present, the connection of sucker rod adopts the box cupling screw thread that sucker rod is connected in series usually, also there is the multi-form sucker rod anti-dropping device of employing to connect, as disclosed Chinese utility model patent on June 2nd, 2004 " sucker rod damping anti-dropping device " (CN2619044Y), disclosed Chinese utility model patent on July 27th, 2005 " sucker rod anti-dropping device " (CN2713199Y), above-mentioned 2 technical schemes all have certain pumping rod disengaging function that prevents, but exist complex structure, difficulty of processing big, be not easy to deficiencies such as The field and anticreep effect instability.
Summary of the invention
For overcome existing sucker rod connect in the linkage complex structure, the difficulty of processing that exist big, be not easy to deficiencies such as The field and anticreep effect instability, the invention provides a kind of pumping rod connecting device.This apparatus structure is simple, can effectively prevent sucker rod the get loose generation of phenomenon of connecting thread in the course of the work.
The technical scheme that its technical problem that solves pumping rod connecting device of the present invention adopts: comprising sucker rod, adapter sleeve, fixedlys connected with adapter sleeve in sucker rod main body upper end, and there is keyway the upper end of sucker rod main body; There are the boss rank sucker rod body of rod lower end, and key is arranged at the bottom on boss rank; On the sucker rod body of rod fixed cover is housed, is fixed with the screw thread that is connected with adapter sleeve.The sucker rod main body is fixedly connected sequentially from top to bottom and is formed by top connection I, the sucker rod body of rod, anti-bull stick.Internal thread one end of adapter sleeve is connected with the sucker rod main body, and the other end is connected with fixed cover on the sucker rod that is connected; The key of anti-bull stick lower end inserts in the keyway of the sucker rod main body upper end that is connected.
Another technical scheme that its technical problem that solves pumping rod connecting device of the present invention adopts: main body is a dumb-bell shape, is the body of rod between the top connection II on top and the boss rank of bottom, and the lower end on body of rod lower boss rank is a key, and fixed cover is housed on the body of rod; The key of body of rod bottom is installed in the keyway of lower contact upper end; One end of adapter sleeve is fixedlyed connected with fixed cover, and the other end is fixedlyed connected with lower contact.Main body is composed of a fixed connection by top connection II and anti-bull stick.
The invention has the beneficial effects as follows that simple and reasonable, attachment security is reliable, and is easy to operate.
Description of drawings
Fig. 1 is known sucker rod schematic diagram.
Fig. 2 is a pumping rod connecting device schematic diagram of the present invention.
Fig. 3 is a sucker rod agent structure schematic diagram in the pumping rod connecting device of the present invention.
Fig. 4 is the pumping rod connecting device second embodiment schematic diagram of the present invention.
Fig. 5 is the A-A sectional drawing of Fig. 4.
Fig. 6 is a main element structural representation in the second embodiment of the invention.
Among the figure: 1. main body, 2. fixed cover, 3. adapter sleeve, 4. dog screw, 5. lower contact, 6. dog screw, 7. dog screw, 8. top connection II, the 9. body of rod, 10. boss rank, 11. keys, 12. keyway, 13. anti-bull sticks, 20. sucker rods, the 21. sucker rod bodies of rod, 22. top connection I.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
With reference to accompanying drawing 2 and accompanying drawing 3.Pumping rod connecting device first embodiment of the present invention, sucker rod main body 20 is fixedly connected sequentially from top to bottom and is formed by top connection I22, the sucker rod body of rod 21, anti-bull stick 13, adopts welding procedure to connect usually, before the welding fixed cover 2 is enclosed within on the sucker rod body of rod 21.Sucker rod main body 20 upper end top connection I22 are fixedlyed connected with adapter sleeve 3, and top connection I22 front end has keyway 12; Anti-bull stick 13 upper center have boss rank 10, and the upper end on boss rank 10 is axles identical with the sucker rod body of rod 21 diameters, and 10 bottoms, boss rank are keys 11.There is internal thread at adapter sleeve 3 two ends, and internal thread one end of adapter sleeve 3 is connected with sucker rod main body 20 when connecting sucker rod, and the other end is connected with fixed cover 2 on the sucker rod that is connected.
With reference to Fig. 4～Fig. 6.Pumping rod connecting device second embodiment of the present invention, main body 1 is a dumb-bell shape, main body 1 is composed of a fixed connection by top connection I18 and anti-bull stick 13, perhaps is composed of a fixed connection by top connection I18, the body of rod 9 and anti-bull stick 13, adopts welding procedure to connect usually.Top connection II8 is up big and down small multidiameter, and there is the internal thread that is connected with sucker rod the upper end, and the bottom is a solid shafting.Anti-bull stick 13 has boss rank 10 near lower ends, and the upper end on boss rank 10 is to be the identical axle of solid shafting diameter with top connection II8 bottom, and 10 bottoms, boss rank are keys 11.Be the body of rod 9 between top connection II8 and the boss rank 10, before the welding fixed cover 2 be enclosed within on the body of rod 9.
Pumping rod connecting device second embodiment of the present invention is when using, and the sucker rod that is connected is that two ends are the common sucker rod of screw thread, and the pumping rod connecting device two ends are threaded with common sucker rod respectively.For each component is not relatively rotated in the course of the work, top connection II8 and common sucker rod junction are equipped with radial location screw 6; Lower contact 5 is equipped with radial location screw 7 with common sucker rod junction.
The present invention does not limit to and is used for the sucker rod connection, and anti-rotation, anti-drop function because of this device possesses can also be used for other similar connections.
Claims (9)
1. a pumping rod connecting device comprises sucker rod, adapter sleeve, it is characterized in that: fixedly connected with adapter sleeve (3) in sucker rod main body (20) upper end, there is keyway (12) upper end of sucker rod main body (20); There are boss rank (10) the sucker rod body of rod (21) lower end, and key (11) is arranged at the bottom of boss rank (10); Fixed cover (2) is housed on the sucker rod body of rod (21), and fixed cover (2) has the screw thread that is connected with adapter sleeve (3).
2. pumping rod connecting device according to claim 1 is characterized in that: described sucker rod main body (20) is fixedly connected sequentially from top to bottom and is formed by top connection I (22), the sucker rod body of rod (21), anti-bull stick (13).
3. pumping rod connecting device according to claim 2 is characterized in that: internal thread one end of described adapter sleeve (3) is connected with sucker rod main body (20), and the other end is connected with fixed cover (2) on the sucker rod that is connected; The key (11) of described anti-bull stick (13) lower end inserts in the keyway (12) of sucker rod main body (20) upper end that is connected.
4. pumping rod connecting device, comprise adapter sleeve, it is characterized in that: main body (1) is dumb-bell shape, is the body of rod (9) between the top connection II (8) on top and the boss rank (10) of bottom, the lower end on the body of rod (9) lower boss rank (10) is key (11), and fixed cover (2) is housed on the body of rod (9); The key (11) of the body of rod (9) bottom is installed in lower contact (5) the upper end keyway (12); One end of adapter sleeve (3) is fixedlyed connected with fixed cover (2), and the other end is fixedlyed connected with lower contact (5).
5. pumping rod connecting device according to claim 4 is characterized in that: described main body (1) is composed of a fixed connection by top connection II (8) and anti-bull stick (13).
6. pumping rod connecting device according to claim 5 is characterized in that: described lower contact (5) lower end is a blind screw hole, and keyway (12) is positioned at solid shafting place, lower contact (5) upper end; Lower contact (5) cylindrical is up-small and down-big multidiameter, and the screw thread of upper end is connected with adapter sleeve (3).
7. pumping rod connecting device according to claim 6 is characterized in that: described top connection II (8) upper end is equipped with radial location screw (6); Described lower contact (5) bottom is equipped with radial location screw (7).
8. according to claim 1 or the described pumping rod connecting device of claim 4, it is characterized in that: described key (11) is taper, and described keyway (12) is the taper keyway.
9. pumping rod connecting device according to claim 8 is characterized in that: radial location screw (4) is installed on the described adapter sleeve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101660776A CN101144371A (en) | 2007-11-02 | 2007-11-02 | Pumping rod connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101660776A CN101144371A (en) | 2007-11-02 | 2007-11-02 | Pumping rod connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101144371A true CN101144371A (en) | 2008-03-19 |
Family
ID=39207080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101660776A Pending CN101144371A (en) | 2007-11-02 | 2007-11-02 | Pumping rod connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101144371A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162338A (en) * | 2011-01-23 | 2011-08-24 | 郭振国 | Automatic pin-ejection inner core drill rod for rotary drilling machine |
| CN101793127B (en) * | 2009-12-24 | 2012-03-28 | 张键 | Anti-tripping reverse buckling device |
| CN102400650A (en) * | 2011-08-30 | 2012-04-04 | 中煤矿山建设集团有限责任公司 | Drilling tool |
| CN102434114A (en) * | 2012-01-10 | 2012-05-02 | 陈媛 | Anti-tripping sucker rod |
| CN103089166A (en) * | 2013-02-22 | 2013-05-08 | 李汉余 | Sucker rod connector |
-
2007
- 2007-11-02 CN CNA2007101660776A patent/CN101144371A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793127B (en) * | 2009-12-24 | 2012-03-28 | 张键 | Anti-tripping reverse buckling device |
| CN102162338A (en) * | 2011-01-23 | 2011-08-24 | 郭振国 | Automatic pin-ejection inner core drill rod for rotary drilling machine |
| CN102162338B (en) * | 2011-01-23 | 2013-06-12 | 郭振国 | Automatic pin-ejection inner core drill rod for rotary drilling machine |
| CN102400650A (en) * | 2011-08-30 | 2012-04-04 | 中煤矿山建设集团有限责任公司 | Drilling tool |
| CN102400650B (en) * | 2011-08-30 | 2013-11-27 | 中煤矿山建设集团有限责任公司 | Drilling tool |
| CN102434114A (en) * | 2012-01-10 | 2012-05-02 | 陈媛 | Anti-tripping sucker rod |
| CN103089166A (en) * | 2013-02-22 | 2013-05-08 | 李汉余 | Sucker rod connector |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080319 |