CN101476449A - Aligning anti-release and anti-bias wearing apparatus used for pumping rod - Google Patents
Aligning anti-release and anti-bias wearing apparatus used for pumping rod Download PDFInfo
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- CN101476449A CN101476449A CNA2009100002519A CN200910000251A CN101476449A CN 101476449 A CN101476449 A CN 101476449A CN A2009100002519 A CNA2009100002519 A CN A2009100002519A CN 200910000251 A CN200910000251 A CN 200910000251A CN 101476449 A CN101476449 A CN 101476449A
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- anticreep
- sucker rod
- pumping rod
- bearing
- straightening
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Abstract
The invention relates to a release and lopsided wear resisting device for adjusting an oil pumping rod straightly, which belongs to the technical field of oil pumping well special equipment. In order to solve the problems of breaking and releasing, back-off and lopsided wear of the oil pumping rod in the prior art, the invention provides the release and lopsided wear resistance device for adjusting the oil pumping rod straightly, which comprises a centralizer arranged at the middle part of the pumping rod and a release resistance straightening device arranged at the upper part of the pumping rod. The upper part inside a shell of the release resistance straightening device is provided with a steering shaft, while the lower part is provided with a release resistance shaft; a bearing middle sleeve and a bearing pothead are sequentially arranged between the release resistance shaft and the shell from top to bottom, and a roller is embedded between the release resistance shaft and the bearing middle sleeve. The release and lopsided wear resistance device has the advantages that breaking and releasing of the oil pumping rod caused by the back-off of the oil pumping rod is prevented, the dithering peak value of the oil pumping rod is absorbed, the shock load formed by the dithering peak value is reduced, the fatigue strength of the oil pumping rod is reduced, the straightness of the oil pumping rod is adjusted, the pumping rod is centralized, the friction resistance is reduced, the horsehead load is reduced, the pump depth is deepened, and the daily oil well fluid output is improved.
Description
Technical field
The present invention relates to pumpingh well special equipment technical field, but be specifically related to a kind of anti-eccentric wear device of anticreep that is used for the sucker rod straightening.
Background technology
Oil pumper drives sucker rod and is doing when pumping, because of the out of plumb of oil well or horizontal well laterally and vertically tilt, at out of plumb section and inclination section, problems such as sucker rod and oil pipe grind, block, bump, extension easily take place, strengthened the shock loading up and down of horse head, when the sucker rod reversed of stress is serious, the elastic deformation maximum that the shake peak value of sucker rod causes, when the elastic deformation of bar was flexible, sucker rod was just producing or despining, discharge strain energy of distortion, form the sucker rod back-off.When back-off was serious, disconnected taking off then took place in sucker rod, caused the application life of sucker rod short, and must go up operation and salvage this moment, can resume production, and not only influences the production cycle of oil well, and maintenance cost is increased.
Summary of the invention
In order to solve the problem of the rod parting, back-off and the eccentric wear that exist in the prior art, but the object of the present invention is to provide a kind of anti-eccentric wear device of anticreep that is used for the sucker rod straightening, can adjust the verticality of sucker rod, reduce wearing and tearing, prevent sucker rod back-off, disconnected taking off.
In order to achieve the above object, the technical solution used in the present invention is:
But a kind of anti-eccentric wear device of anticreep that is used for the sucker rod straightening, its special character is: comprise anticreep machine straightening device that is arranged on the sucker rod end and the centralizer that is arranged on the sucker rod middle part.
The housing internal upper part of above-mentioned anticreep machine straightening device is provided with steering spindle, and steering spindle is fixed in the housing by back-up ring outside joint inner shield ring, the joint and joint locknut; The termination that described steering spindle is fixed in the housing is a spheroid, radially 360 degree rotations, and the pendulum angle of steering spindle is 3 °～5 °.
The bottom is provided with the anticreep axle in the housing of above-mentioned anticreep machine straightening device, is provided with cover and bearing end cover in the bearing between described anticreep axle and housing from top to bottom successively, is embedded with roller between the cover in anticreep axle and the bearing, and bearing end cover is fixed in the housing by bearing locking nut.
The below of above-mentioned joint inner shield ring is provided with yielding rubber, and the jackscrew and the joint inner shield ring that are provided with by anticreep axle upper end closely cooperate.
Above-mentioned bearing locking nut and anticreep between centers are provided with the O RunddichtringO, prevent between anticreep axle and the bearing locking nut loosening.
The hull outside upper end of above-mentioned anticreep machine straightening device is provided with the abrasionproof coating, can prevent that hull outside and oil pipe friction from causing wearing and tearing.
Above-mentioned centralizer is connected with sucker rod by the last rod connector of its upper end and the lower sucker rod joint of lower end respectively.
For bearing main body, described bearing is provided with the multi-detector spin on the body surfaces between the last rod connector of above-mentioned centralizer and the lower sucker rod joint, and described spiral spin is fixed on by the spin clamp and bears on the main body.
Above-mentioned spin clamp is fixed on by last spin pressing plate and following spin pressing plate respectively up and down and bears on the body surfaces.
The above-mentioned spin pressing plate upper end of going up is provided with the clamp locknut, is threaded the fastening spin pressing plate of going up with bearing main body.
Compared with prior art, the beneficial effect that technical solution of the present invention produced is as follows:
1, the steering spindle among the present invention can be adjusted the angle of sucker rod, reduces frictional resistance, can deepen pump setting depth.
2, the design of anticreep axle among the present invention and bearing holder (housing, cover) makes sucker rod be divided into two independently connected systems, and when the top sucker rod rotated, the bottom sucker rod can not become flexible, and prevented the rod parting that the sucker rod back-off causes.
3, the yielding rubber that anticreep machine straightening device inside installs additional among the present invention can absorb the shake peak value of sucker rod, reduces the shock loading that the shake peak value forms, and reduces the fatigue strength of sucker rod.
When 4, centralizer and oil pipe rub up and down among the present invention, form point of rotation contact, it is little to wear and tear, and has avoided rod collar eccentric wear and oil pipe to draw the generation of ditch situation; Owing to reduced the mill resistance, reduced horse head load, saved electric energy, also can deepen pump simultaneously and hang, increase submergence, improve the oil well daily fluid production rate.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention.
Fig. 2 is the structural representation of anticreep machine straightening device among the present invention.
Fig. 3 is the structural representation of centralizer among the present invention.
Fig. 4 is the A-A sectional view of Fig. 3.
Reference numeral:
The 1-steering spindle, the 2-housing, 3-anticreep axle, the 4-O RunddichtringO, the 5-bearing locking nut, 6-bearing end cover,
Overlap in the 7-bearing, the 8-yielding rubber, 9-joint inner shield ring, back-up ring outside the 10-joint, 11-joint locknut,
The 12-roller, the 13-jackscrew, the 14-spray-welding coating, the last rod connector of 15-, 16-bears main body,
17-clamp locknut, the last spin pressing plate of 18-, 19-spin clamp, 20-spiral spin,
Spin pressing plate under the 21-, 22-lower sucker rod joint, 23-sucker rod.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, technical solution of the present invention is elaborated.
Referring to Fig. 1, but the present invention comprises anticreep machine straightening device that is arranged on sucker rod 23 ends and the centralizer that is arranged on sucker rod 23 middle parts for a kind of anti-eccentric wear device of anticreep that is used for the sucker rod straightening.
Participate in Fig. 2, housing 2 internal upper parts of anticreep machine straightening device are provided with steering spindle 1 among the present invention, and steering spindle 1 is fixed in the housing 2 by back-up ring 10 outside joint inner shield ring 9, the joint and joint locknut 11; The termination that described steering spindle 1 is fixed in the housing 2 is a spheroid, radially 360 degree rotations, and the pendulum angle of steering spindle 1 is 3 °～5 °, rotary oscillation by steering spindle 1, adjust the verticality of sucker rod 23, reduced the wearing and tearing between sucker rod and the oil pipe, can deepen pump setting depth.
The bottom is provided with anticreep axle 3 in the housing 2 of anticreep machine straightening device, 2 of described anticreep axle 3 and housings are provided with cover 7 and bearing end cover 6 in the bearing from top to bottom successively, cover is embedded with roller 12 between 7 in anticreep axle 3 and the bearing, and bearing end cover 6 is fixed in the housing 2 by bearing locking nut 5.When anticreep machine straightening device top sucker rod rotated, lower pole can not become flexible, thereby prevented disconnected the taking off that the sucker rod back-off causes.
The below of joint inner shield ring 9 is provided with yielding rubber 8, and the jackscrew 13 that is provided with by anticreep axle 3 upper ends closely cooperates with joint inner shield ring 9, and yielding rubber 8 can absorb the shake peak value, reduces the shock loading that the shake peak value forms, and reduces the fatigue strength of sucker rod.
3 on bearing locking nut 5 and anticreep axle are provided with O RunddichtringO 4, prevent between anticreep axle 3 and the bearing locking nut 5 loosening.
Referring to Fig. 3 and Fig. 4, centralizer is connected with sucker rod 23 by the last rod connector 15 of its upper end and the lower sucker rod joint 22 of lower end respectively among the present invention.For bearing main body 16, described bearing on main body 16 surfaces is provided with multi-detector spin 20 between last rod connector 15 and the lower sucker rod joint 22, and described spiral spin 20 is fixed on by spin clamp 19 and bears on the main body 16.
When tube inner wall rubs mutually with centralizer, be that spiral spin 20 contacts with the tube inner wall point of rotation, and upper and lower rolling friction.The contact area of spin and tube inner wall is little, and the rolling mill Buddhist nun of generation is little, has avoided rod collar eccentric wear and oil pipe to draw the generation of ditch situation; Owing to reduced the mill resistance, reduced horse head load, saved electric energy, also can deepen pump simultaneously and hang, increase submergence, improve the oil well daily fluid production rate.
The present invention can be installed centralizer additional at the middle part of sucker rod according to actual needs, simultaneously in the big place of oil pipe slope, respectively installs an anticreep machine straightening device additional for the top and the bottom of sucker rod, but straightening 3～5 degree.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1, but a kind of anti-eccentric wear device of anticreep that is used for the sucker rod straightening is characterized in that: comprise the anticreep machine straightening device and the centralizer that are arranged on the sucker rod end.
But 2, a kind of anti-eccentric wear device of anticreep that is used for the sucker rod straightening as claimed in claim 1, it is characterized in that: the housing internal upper part of described anticreep machine straightening device is provided with steering spindle, and steering spindle is fixed in the housing by back-up ring outside joint inner shield ring, the joint and joint locknut; The termination that described steering spindle is fixed in the housing is the spheroid of 360 degree rotations radially, and the steering spindle pendulum angle is 3 °～5 °.
But 3, a kind of anti-eccentric wear device of anticreep that is used for the sucker rod straightening as claimed in claim 1 or 2, it is characterized in that: the bottom is provided with the anticreep axle in the housing of described anticreep machine straightening device, be provided with cover and bearing end cover in the bearing between described anticreep axle and housing from top to bottom successively, be embedded with roller between the cover in anticreep axle and the bearing, bearing end cover is fixed in the housing by bearing locking nut.
But 4, a kind of anti-eccentric wear device of anticreep that is used for the sucker rod straightening as claimed in claim 2, it is characterized in that: the below of described joint inner shield ring is provided with yielding rubber, and the jackscrew and the joint inner shield ring that are provided with by anticreep axle upper end closely cooperate.
But 5, a kind of anti-eccentric wear device of anticreep that is used for the sucker rod straightening as claimed in claim 3, it is characterized in that: described bearing locking nut and anticreep between centers are provided with the O RunddichtringO.
But 6, a kind of anti-eccentric wear device of anticreep that is used for the sucker rod straightening as claimed in claim 1, it is characterized in that: the hull outside upper end of described anticreep machine straightening device is provided with the abrasionproof coating.
But 7, a kind of anti-eccentric wear device of anticreep that is used for the sucker rod straightening as claimed in claim 1, it is characterized in that: described centralizer is connected with sucker rod by the last rod connector of its upper end and the lower sucker rod joint of lower end respectively.
But 8, a kind of anti-eccentric wear device of anticreep that is used for the sucker rod straightening as claimed in claim 7, it is characterized in that: between the last rod connector of described centralizer and the lower sucker rod joint for bearing main body, described bearing is provided with the multi-detector spin on the body surfaces, described spiral spin is fixed on by the spin clamp and bears on the main body.
But 9, a kind of anti-eccentric wear device of anticreep that is used for the sucker rod straightening as claimed in claim 8, it is characterized in that: described spin clamp is fixed on by last spin pressing plate and following spin pressing plate respectively up and down and bears on the body surfaces.
But 10, the anti-eccentric wear device of a kind of anticreep that is used for the sucker rod straightening as claimed in claim 9 is characterized in that: the described spin pressing plate upper end of going up is provided with the clamp locknut, and bears main body and is threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100002519A CN101476449A (en) | 2009-01-15 | 2009-01-15 | Aligning anti-release and anti-bias wearing apparatus used for pumping rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100002519A CN101476449A (en) | 2009-01-15 | 2009-01-15 | Aligning anti-release and anti-bias wearing apparatus used for pumping rod |
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| Publication Number | Publication Date |
|---|---|
| CN101476449A true CN101476449A (en) | 2009-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100002519A Pending CN101476449A (en) | 2009-01-15 | 2009-01-15 | Aligning anti-release and anti-bias wearing apparatus used for pumping rod |
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| CN (1) | CN101476449A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031933B (en) * | 2009-09-24 | 2013-03-13 | 江苏宏泰石化机械有限公司 | Serial anti-fall centralizer |
| CN108625795A (en) * | 2018-07-09 | 2018-10-09 | 大连坤麟金属制品有限公司 | A kind of disconnected de- device of the anti-roofbolt of rod-pumped well |
| CN109138860A (en) * | 2018-09-13 | 2019-01-04 | 张自平 | Efficient eccentric wear prevention pumping rod guide and application method |
| CN109736726A (en) * | 2019-01-11 | 2019-05-10 | 东北石油大学 | Sucker rod anticreep eccentric abrasion prevention device |
-
2009
- 2009-01-15 CN CNA2009100002519A patent/CN101476449A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031933B (en) * | 2009-09-24 | 2013-03-13 | 江苏宏泰石化机械有限公司 | Serial anti-fall centralizer |
| CN108625795A (en) * | 2018-07-09 | 2018-10-09 | 大连坤麟金属制品有限公司 | A kind of disconnected de- device of the anti-roofbolt of rod-pumped well |
| CN109138860A (en) * | 2018-09-13 | 2019-01-04 | 张自平 | Efficient eccentric wear prevention pumping rod guide and application method |
| CN109736726A (en) * | 2019-01-11 | 2019-05-10 | 东北石油大学 | Sucker rod anticreep eccentric abrasion prevention device |
| CN109736726B (en) * | 2019-01-11 | 2023-12-22 | 东北石油大学 | Anti-drop and anti-eccentric wear device for sucker rod |
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Open date: 20090708 |