CN103835669A - Spin type multi-function rope hanger - Google Patents
Spin type multi-function rope hanger Download PDFInfo
- Publication number
- CN103835669A CN103835669A CN201210475653.6A CN201210475653A CN103835669A CN 103835669 A CN103835669 A CN 103835669A CN 201210475653 A CN201210475653 A CN 201210475653A CN 103835669 A CN103835669 A CN 103835669A
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- polished rod
- rod eye
- spring
- self
- hole
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- 238000013016 damping Methods 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 239000000446 fuel Substances 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- 230000035939 shock Effects 0.000 abstract description 5
- 239000000725 suspension Substances 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 2
- 239000003921 oil Substances 0.000 description 18
- 239000003129 oil well Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 8
- 238000005086 pumping Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
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Abstract
The invention relates to a self-rotating multifunctional rope hanger which comprises a rope hanger shell, wherein a load sensor is fixedly arranged in the rope hanger shell, a central round hole is formed in the bottom of the rope hanger shell, and a hollow shaft penetrates through the central round hole; the overrunning clutch comprises a ratchet wheel body, a baffle plate, a retainer, a roller and a spring, wherein the ratchet wheel body is connected with the retainer through the roller and the spring, round holes are formed in the excircle of the retainer and the inner circle of the rope hanger shell, and a guide hole is formed through a steel ball; the damping device comprises a spring pressure head, a sealing plate and a circular plate spring, wherein the sealing plate is provided with an oil inlet hole, a damping hole and a guide hole; and the bottom cover is fixedly connected with the rope suspension device shell. By the invention, the rope hanger can integrate self-eccentric wear prevention, double shock absorption, tripping prevention and a load sensor, and realizes digital application.
Description
Technical field
The present invention relates to a kind of polished rod eye, particularly relating to one can be from anti-eccentric wear, damping, anti-tripping and load transducer is integrated, and Self-rotating type multifunctional polished rod eye simple in structure.
Background technology
At present, on road, recover the oil and mostly be to realize take " three take out " equipment (oil pumper, sucker rod and oil well pump) as the rod pumping system of leading.But in real work, rod pumping system is because of eccentric wear, vibrations acting in conjunction, and the phenomenon that causes rod parting and box cupling thereof to be threaded off happens occasionally.Because oil well itself exists the hole condition factor such as hole deviation, cover change, cause oil pipe to be offset in pit shaft, and in oil pipe, sucker rod is tending towards vertically under the effect of gravity, causes sucker rod contact wear.Sucker rod, in descending process, is opened the required power of travelling valve, the impact of crude oil on the resistance of sucker rod mill and liquid hammer, and the above sucker rod of piston bends within the specific limits, produces the point of neutralization, and the point of neutralization comes in contact wearing and tearing with lower sucker rod.Oil pipe is wriggled wearing and tearing in pumping well with pole, and when up-stroke of piston, free suspension oil pipe bottom is bending, and has the stress point of neutralization.Wriggling reason is that the oil pipe internal pressure that connects pump barrel produces curvature effect to oil pipe, oil pipe internal pressure value is the poor ram area that is multiplied by of plunger pressure at two ends, therefore, the higher oil well of the sufficient producing fluid level of fuel feeding, piston two ends pressure reduction is little, tubing bending a little less than, and for the low oil well of shortage of oil producing fluid level, piston two ends pressure reduction is large, the serious bending of oil pipe or spirality, just contact with sucker rod at a certain distance, come in contact wearing and tearing.
Existing improvement eccentric wear technology has: rotary portal, nylon sucker rod centralizers, horizontal stay cord rocking arm circulator, sucker rod damping etc., above technology solves side-abrasion of rod string problem to a certain extent, but all there is its shortcoming: rotary portal relies on manpower regularly to rotate, cause that operation inconvenience, tracing management are difficult and to be implemented into bit rate low, thereby effect cannot guarantee; Under nylon sucker rod centralizers, definite accuracy rate of implantation site is difficult to guarantee, and stagnant excessive to liquid flow resistance, and result of use is restricted; Use horizontal stay cord rocking arm to turn circulator, although realized this function, but exist the key problem of following three aspects: 1. stay cord has formed a lateral thrust to polished rod, outside causing the obvious eccentric wear of well head and polished rod 2. stay cord being exposed to, without anti-theft feature, be not suitable for on-the-spot external environment condition 3. stay cord or manual operation improper, easily broken de-, easily aging, easily go to pot, therefore there is obvious accident potential.Along with oil field digitizing technique application and digitlization oil pumper use, existing polished rod eye and rod rotor all cannot installed load sensors.
As can be seen here, above-mentioned existing polished rod eye, in structure and use, obviously still has inconvenience and defect, and is urgently further improved.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, completed by development but have no for a long time applicable design always, and common product does not have appropriate structure to address the above problem, this is obviously the problem that the anxious wish of relevant dealer solves.
Summary of the invention
The object of the present invention is to provide a kind of Self-rotating type multifunctional polished rod eye, it can be from anti-eccentric wear, anti-tripping and hydraulic shock-absorption, and load transducer is integrated, also has advantages of simple in structure, environmental protection and easy to use etc.
The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of Self-rotating type multifunctional polished rod eye of the present invention, it comprises polished rod eye shell, its inside is installed with load transducer, and its bottom is provided with center hole, hollow shaft runs through this center hole; Freewheel clutch, comprises ratchet wheel body, plate washer, retainer, roller and spring, and this ratchet wheel body is connected with retainer with spring by roller, and the inner circle of the cylindrical of this retainer and polished rod eye shell is provided with circular hole, and forms pilot hole by steel ball; Damping device, comprise spring pressure head, shrouding and plectane spring, wherein this shrouding has fuel feed hole, damping hole and pilot hole, and this spring pressure head dress is pressed in the pilot hole of this shrouding, this shrouding be close to the sealing surface of hollow shaft and fit over hollow shaft cunning together with, normal pressure is on plectane spring; And bottom, bottom and polished rod eye shell are affixed.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Preferably, aforesaid Self-rotating type multifunctional polished rod eye, is wherein pressed with aligning pressure head on this ratchet wheel body.
Preferably, aforesaid Self-rotating type multifunctional polished rod eye, is wherein equipped with Jiao Gai on this aligning pressure head, and both are pressed on ratchet wheel body one.
Preferably, aforesaid Self-rotating type multifunctional polished rod eye, wherein has the upper cover affixed by screw on this polished rod eye shell.
Preferably, aforesaid Self-rotating type multifunctional polished rod eye, the circular hole that wherein inner circle of the cylindrical of this retainer and polished rod eye shell is provided with, in a certain angle with the axis, the scope of this angle is between 12 ° and 35 °.
Preferably, aforesaid Self-rotating type multifunctional polished rod eye, wherein this hollow shaft seal is pressed into bottom.
Preferably, aforesaid Self-rotating type multifunctional polished rod eye, wherein the outer of this ratchet wheel body blocks and has axle jump ring in groove, and this plate washer is fixed with jump ring by this axle.
By technique scheme, Self-rotating type multifunctional polished rod eye of the present invention at least has following advantages and beneficial effect:
1, need not external impetus, this polished rod eye just can drive sucker rod automatic rotation, rotary body rotates and adopts the outer retainer of rotary body and the uniform milling inclined hole of polished rod eye shell to put into steel ball, when load variations moves up and down, promoting rotary body rotates, rotary body is connected with sucker rod, drive sucker rod rotary, thereby prevent eccentric wear.
2, this Self-rotating type multifunctional polished rod eye adopts plectane spring, and replaces disk spring, and compressive deformation number of times is by original bringing up to more than 2,000,000 times for 200,000 times.
3, damping adopts hydraulic pressure and mechanical dual shock absorption, the application life of having improved damping effect and mechanical spring.
4, the built-in load transducer of this polished rod eye shell, can measure and the load of monitoring at any time oil well easily.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of manual, and for above and other object of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1: be the generalized section of the embodiment of Self-rotating type multifunctional polished rod eye of the present invention.
The specific embodiment
Technological means and effect of taking for reaching predetermined goal of the invention for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to the specific embodiment, structure, feature and effect thereof of a kind of Self-rotating type multifunctional polished rod eye proposing according to the present invention, be described in detail as follows.
Consult Fig. 1, for the generalized section of the embodiment of Self-rotating type multifunctional polished rod eye of the present invention, comprise polished rod eye shell 1, freewheel clutch 2, damping device 3 and bottom 4.
On this polished rod eye shell 1, there is the upper cover 11 being connected by screw, its inside is installed with load transducer 12, the load that can measure easily and monitor at any time oil well, a center hole is arranged at the bottom of this polished rod eye shell 1, and hollow shaft 14 runs through this center hole and envelope is pressed into bottom 5.
This freewheel clutch 2 comprises ratchet wheel body 21, plate washer 22, retainer 23, roller 24 and spring 25, this ratchet wheel body 21 is connected with retainer 23 with spring 25 by roller 24, and the outer of this ratchet wheel body 21 blocks and has axle jump ring in groove, and this this axle of plate washer 22 use is fixed with jump ring; The inner circle of the cylindrical of this retainer 23 and polished rod eye shell 1 is provided with three circular holes in a certain angle with the axis, forms pilot hole by steel ball 26, and the scope of this angle is between 12 ° and 35 °; This freewheel clutch 2 is connected with this hollow shaft 14 by bearing.Meanwhile, on this ratchet wheel body 21, be pressed with aligning pressure head 15, this aligning pressure head 15 is supporting the oil well pump of oil pumper and the pressure of sucker rod, and glue lid 151 also can be installed on this aligning pressure head 15, and both one are pressed on ratchet wheel body 21.
This damping device 3 comprises spring pressure head 31, shrouding 32 and plectane spring 33, wherein this shrouding 32 has damping hole 321, fuel feed hole 322 and pilot hole 323, these spring pressure head 31 dresses are pressed in the pilot hole 323 of shrouding 32, and together with fitting over hollow shaft 14 cunnings, normal pressure is on plectane spring 33, and this shrouding 32 is close to the sealing surface of hollow shaft 14.
This bottom 4 is fixed together with this polished rod eye shell 1.
In the present embodiment, the working method of Self-rotating type multifunctional polished rod eye of the present invention is as follows: by aligning pressure head 15, the pressure of the oil well pump of oil pumper and sucker rod is passed to plectane spring 33 by ratchet wheel body 21 and hollow shaft 14; In the time that oil well pump moves up and down, the pressure meeting cyclically-varying of oil well pump and sucker rod, therefore passing to the axial load size of aligning pressure head 15 changes thereupon, force plectane spring 33 that axially upper and lower deformation displacement occurs, thereby make ratchet wheel body 21 produce pumping with respect to polished rod eye shell 1; Moving up and down of ratchet wheel body 21 drives retainer 23 by baffle plate 22, and retainer 23 cylindricals are provided with the semicircle orifice in semicircle orifice and polished rod eye shell 1 inner circle in a certain angle with the axis, form pilot hole by steel ball 26.
When moving up and down, oil well pump doing when action oil pumping, retainer 23 is under plectane spring 33 deformation displacements, drive by ratchet wheel body 21 pumps with respect to polished rod eye shell 1, because pilot hole and axis of movement have angle, when retainer 23 moves up and down, under the effect of steel ball 26, also a circumference crankmotion around axis will be made, roller 24 and spring 25 are housed between ratchet wheel body 21 and retainer 23 and form a whirligig with unidirectional power transmission, namely only drive ratchet wheel body 21 to make single direction rotation when retainer 23 reciprocating rotary, by the rotation that rotarily drives aligning pressure head 15 of ratchet wheel body 21, to such an extent as to make to be supported on sucker rod on aligning pressure head 15 and oil well pump in moving up and down, rotate, thereby make sucker rod do up and down and rotate with minimum speed in oil pumping action in down-hole, like this, one lateral deviation mill of sucker rod becomes even circumferential wearing and tearing, thereby greatly improve the life-span of sucker rod.
In addition, Self-rotating type multifunctional polished rod eye of the present invention adopts dual shock absorption, and take hydraulic pressure shock-absorbing as main, mechanical shock absorption is auxiliary.As shown in Figure 1, below 32, be hydraulic cavities at shrouding, in hydraulic cavities, be full of hydraulic oil, shrouding 32 is provided with damping hole 321 and fuel feed hole 322; The effect of spring pressure head 31 is to make the tight note of shrouding 32 in the sealing surface of hollow shaft 14, hydraulic oil is excessive from damping hole 321 when guaranteeing hydraulic cavities pressurized, and in the time that hydraulic cavities internal volume increase pressure becomes negative pressure, shrouding 32 is opened in time and is made the oil of epicoele enter hydraulic cavities from fuel feed hole 322 in time with the sealing surface of hollow shaft 14, like this, just formed take liquid absorbing as main, mechanical shock absorption is auxiliary Combined-type shock-absorption device; This has not only extended the application life of sucker rod, and has disperseed to be pressed in the pressure on plectane spring 33 because the hydraulic oil in hydraulic cavities produces certain pressure, the pressurized of plectane spring 33 is reduced, thereby improved the working life of plectane spring 33.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, but not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (7)
1. a Self-rotating type multifunctional polished rod eye, is characterized in that, it comprises:
Polished rod eye shell, its inside is installed with load transducer, and its bottom is provided with center hole, hollow shaft runs through this center hole;
Freewheel clutch, comprises ratchet wheel body, plate washer, retainer, roller and spring, and this ratchet wheel body is connected with retainer with spring by roller, and the inner circle of the cylindrical of this retainer and polished rod eye shell is provided with circular hole, and forms pilot hole by steel ball;
Damping device, comprise spring pressure head, shrouding and plectane spring, wherein this shrouding has fuel feed hole, damping hole and pilot hole, and this spring pressure head dress is pressed in the pilot hole of this shrouding, this shrouding be close to the sealing surface of hollow shaft and fit over hollow shaft cunning together with, normal pressure is on plectane spring; And
Bottom, bottom and polished rod eye shell are affixed.
2. Self-rotating type multifunctional polished rod eye according to claim 1, is characterized in that, wherein on this ratchet wheel body, is pressed with aligning pressure head.
3. Self-rotating type multifunctional polished rod eye according to claim 2, is characterized in that, wherein on this aligning pressure head, Jiao Gai is housed, and both are pressed on ratchet wheel body one.
4. Self-rotating type multifunctional polished rod eye according to claim 1, is characterized in that, wherein on this polished rod eye shell, has the upper cover affixed by screw.
5. Self-rotating type multifunctional polished rod eye according to claim 1, is characterized in that, the circular hole that wherein inner circle of the cylindrical of this retainer and polished rod eye shell is provided with, and in a certain angle with the axis, the scope of this angle is between 12 ° and 35 °.
6. Self-rotating type multifunctional polished rod eye according to claim 1, is characterized in that, wherein this hollow shaft seal is pressed into bottom.
7. Self-rotating type multifunctional polished rod eye according to claim 1, is characterized in that, wherein the outer of this ratchet wheel body blocks and have axle jump ring in groove, and this plate washer is fixed with jump ring by this axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210475653.6A CN103835669A (en) | 2012-11-21 | 2012-11-21 | Spin type multi-function rope hanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210475653.6A CN103835669A (en) | 2012-11-21 | 2012-11-21 | Spin type multi-function rope hanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103835669A true CN103835669A (en) | 2014-06-04 |
Family
ID=50799523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210475653.6A Pending CN103835669A (en) | 2012-11-21 | 2012-11-21 | Spin type multi-function rope hanger |
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| Country | Link |
|---|---|
| CN (1) | CN103835669A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240170A (en) * | 2019-07-17 | 2021-01-19 | 中国石油天然气股份有限公司 | Safety suspension assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2570442Y (en) * | 2002-05-14 | 2003-09-03 | 王锡敏 | Oil pumping apparatus having rotating oil pipe and pumping rod |
| CN2656629Y (en) * | 2003-11-14 | 2004-11-17 | 石油大学(华东) | Composite oil extraction rod suspension rope device |
| CN2746113Y (en) * | 2004-11-25 | 2005-12-14 | 欧连贵 | Automatic rotating vibration absorbing device of preventing offset wearing and releasing sucker rod |
| CN100999985A (en) * | 2006-11-28 | 2007-07-18 | 濮阳市信宇石油机械化工有限公司 | Sucker rod rope suspension apparatus |
| CN201068745Y (en) * | 2007-07-16 | 2008-06-04 | 张德法 | Pumping rod rope-suspending device |
| CN202913982U (en) * | 2012-11-21 | 2013-05-01 | 洛阳力辰合金工具有限公司 | Spin type multi-function rope hanger |
-
2012
- 2012-11-21 CN CN201210475653.6A patent/CN103835669A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2570442Y (en) * | 2002-05-14 | 2003-09-03 | 王锡敏 | Oil pumping apparatus having rotating oil pipe and pumping rod |
| CN2656629Y (en) * | 2003-11-14 | 2004-11-17 | 石油大学(华东) | Composite oil extraction rod suspension rope device |
| CN2746113Y (en) * | 2004-11-25 | 2005-12-14 | 欧连贵 | Automatic rotating vibration absorbing device of preventing offset wearing and releasing sucker rod |
| CN100999985A (en) * | 2006-11-28 | 2007-07-18 | 濮阳市信宇石油机械化工有限公司 | Sucker rod rope suspension apparatus |
| CN201068745Y (en) * | 2007-07-16 | 2008-06-04 | 张德法 | Pumping rod rope-suspending device |
| CN202913982U (en) * | 2012-11-21 | 2013-05-01 | 洛阳力辰合金工具有限公司 | Spin type multi-function rope hanger |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240170A (en) * | 2019-07-17 | 2021-01-19 | 中国石油天然气股份有限公司 | Safety suspension assembly |
| CN112240170B (en) * | 2019-07-17 | 2022-08-30 | 中国石油天然气股份有限公司 | Safety suspension assembly |
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Application publication date: 20140604 |