CN106168120A - Anti-sway deviation correcting device - Google Patents
Anti-sway deviation correcting device Download PDFInfo
- Publication number
- CN106168120A CN106168120A CN201610753121.2A CN201610753121A CN106168120A CN 106168120 A CN106168120 A CN 106168120A CN 201610753121 A CN201610753121 A CN 201610753121A CN 106168120 A CN106168120 A CN 106168120A
- Authority
- CN
- China
- Prior art keywords
- correcting device
- lower swing
- pressure cap
- sway
- deviation correcting
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B17/023—Arrangements for connecting cables or wirelines to downhole devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
Abstract
The invention discloses a kind of anti-sway deviation correcting device, including deviation correction mechanism and power transfer mechanism, deviation correction mechanism center offers through hole, and power transfer mechanism arranges and is fixed on inside deviation correction mechanism；Deviation correction mechanism includes upper swivel cougling, cross hollow joint and the lower swing joint being sequentially connected with from top to bottom；Power transfer mechanism includes conductive plug, conductive cable and the electrically conductive socket being sequentially connected with from top to bottom；This anti-sway deviation correcting device is the swing that axle realizes a certain amount of front, rear, left and right by the hangers on cross hollow joint by upper swivel cougling and lower swing joint respectively, realize the anti-sway deviation-correcting function connecting tubing string connecting under it, simultaneously by the power transfer mechanism of particular design be connected with upper and lower connector fixing while realize electric power transmission connection by conductive plug and electrically conductive socket, be prevented effectively from cause owing to clashing into tube wall when conducting rod tubing string rotates damage the accidents such as its lower heater, ensure the stability that electric power transmits simultaneously.
Description
Technical field
The present invention relates to oil and gas exploitation technical field, particularly to a kind of anti-sway deviation correcting device.
Background technology
At present in viscous crude, high solidifying oil recovery process, commonly used screw pump extraction, simultaneously need to flowing in pit shaft
Viscous crude, high solidifying oil carry out electrified regulation, to reduce its viscosity, prevent wax deposition and be easy to flowing.And the rotor of screw pump must revolve
Turn and drive, disalignment when causing rotor electric heating rod tubing string under it to rotate with rotor, bring shake, wave, Yi Zao
Heater under becoming to clash into tube wall and damaging it, so that causing the accident.Need for this to design similar movable curved nodule structure
And conductive anti-sway deviation correcting device, its function is to eliminate the swing brought due to eccentric angle in screw pump rotor rotary course,
Electric power is reached the heater under pump by its interior cable simultaneously.
Summary of the invention
It is an object of the invention to provide and a kind of eliminate the lower section device that eccentric angle in rotary course causes and swing, simultaneously can
The anti-sway deviation correcting device of transmission electric power.
To this end, technical solution of the present invention is as follows:
A kind of anti-sway deviation correcting device, including deviation correction mechanism and power transfer mechanism, deviation correction mechanism center offers through hole, electricity
Force transmission mechanism arranges and is fixed on inside deviation correction mechanism；Wherein:
Deviation correction mechanism includes upper swivel cougling, cross hollow joint and the lower swing joint being sequentially connected with from top to bottom；Ten
Word hollow joint includes that a center offers the cylindrical body of through hole and uniform along body circumferencial direction and axially hang down with body
Four straight cylindrical hangers；Upper swivel cougling and lower swing joint are positioned at one group of extension of offside with on cross hollow joint respectively
Ear is flexibly connected, and makes swivel cougling and lower swing joint all can swing with the hangers connected for axle；
Power transfer mechanism includes conductive plug, conductive cable and the electrically conductive socket being sequentially connected with from top to bottom；By bag
It is overlying on conductive plug, conductive cable and the insulating barrier of electrically conductive socket outer wall and is separately positioned on the first pressure of swivel cougling bottom
Cap and the second pressure cap being arranged on lower swing nipple tip make conductive plug arrange and are fixed in swivel cougling, electrically conductive socket
Arrange and be fixed in lower swing joint.
Conductive plug includes the first copper rod and is arranged on thin copper bar on the first copper rod end face；One is offered from thin copper bar top
Thin copper bar upper part is segmented into the axial deep trouth of two lobes, in axial deep trouth, is provided with a waveform reed, make two lobes of thin copper bar
Formula structure expands outwardly under the elastic force effect of reed；Electrically conductive socket includes the second copper rod；Cave inward from the second copper rod bottom surface
Offer one for the axial socket of plug-in mounting conductive plug.
Upper swivel cougling is a tube structure, axially extends from cylinder bottom and is formed with two the first companies being positioned at offside
Fitting, two the first connectors offers first adapted with hangers external diameter on cross hollow joint respectively and is connected
Hole, makes swivel cougling be inserted on cross hollow joint the one group of hangers being positioned at offside by two the first connecting holes, is formed
It is flexibly connected.
Side radially inward, the cylinder bottom extension of upper swivel cougling is formed with first annular step, and the first pressure cap is a top
End is provided with annular boss and center offers the cylinder of through hole, is inserted in cylinder, annular boss is press-fitted on the downside of the first pressure cap
On the end face of first annular step, by multiple the first peripherally disposed trip bolts, the first pressure cap is fixed on
On one ring-shaped step.
At least one sealing ring it is provided with on outer wall on the downside of first pressure cap.
Upper swivel cougling inwall is provided with for being connected fixing connection female thread with upside connector.
Lower swing joint is a tube structure, axially extends from cylinder top and is formed with two the second companies being positioned at offside
Fitting, two the second connectors offers second adapted with hangers external diameter on cross hollow joint respectively and is connected
Hole, makes lower swing joint be inserted on cross hollow joint another group hangers being positioned at offside, shape by two the second connecting holes
Become to be flexibly connected.
The extension of the cylinder top of lower swing joint side radially inward is formed with the second ring-shaped step, and the second pressure cap is a top
End is provided with annular boss and center offers the cylinder of through hole, is inserted in cylinder, annular boss is press-fitted on the downside of the second pressure cap
On the end face of the second ring-shaped step, by multiple the second peripherally disposed trip bolts, the second pressure cap is fixed on
On second ring step.
At least one sealing ring it is provided with on outer wall on the downside of second pressure cap.
Lower swing joint outer wall is provided with for being connected fixing connection external screw thread with downside connector；At lower swing joint
At least one sealing ring it is provided with on outer wall.
Compared with prior art, this anti-sway deviation correcting device is empty by cross respectively by upper swivel cougling and lower swing joint
Hangers on core joint is the swing that axle realizes a certain amount of front, rear, left and right, it is achieved to preventing of the connection tubing string connected under it
Pendulum deviation-correcting function, simultaneously by the power transfer mechanism of particular design is connected with upper and lower connector fixing while pass through to lead
Plug and electrically conductive socket realize electric power transmission and connect.
In sum, this anti-sway deviation correcting device solves screw pump oil production ground driving screw pump conduction transmission torque roofbolt
An anti-sway correction difficult problem, it is arranged between interconnective tubing string to be prevented effectively from and causes owing to clashing into tube wall when tubing string rotates
Damage the accidents such as heater under it, ensure the stability of electric power transmission simultaneously.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the anti-sway deviation correcting device of the present invention；
Fig. 2 is the structural representation of the cross hollow joint of the anti-sway deviation correcting device of the present invention；
Fig. 3 is the structural representation of the upper swivel cougling of the anti-sway deviation correcting device of the present invention；
Fig. 4 is the structural representation of the lower swing joint of the anti-sway deviation correcting device of the present invention；
Fig. 5 is to form, with upper connector and lower connector, the section being connected respectively during the anti-sway deviation correcting device use of the present invention
Structural representation.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described further, but following embodiment is absolutely not to this
Bright have any restriction.
As it is shown in figure 1, this anti-sway deviation correcting device includes that deviation correction mechanism and power transfer mechanism, deviation correction mechanism center offer
Through hole, power transfer mechanism arranges and is fixed on inside deviation correction mechanism；Wherein:
Deviation correction mechanism includes upper swivel cougling 1, cross hollow joint 11 and the lower swing joint being sequentially connected with from top to bottom
16；Specifically,
As in figure 2 it is shown, cross hollow joint 11 includes that a center offers the cylindrical body of through hole and along body circumference
Four cylindrical hangers that direction is uniform and axially vertical with body；Four cylindrical hangers include that two groups lay respectively at offside
First hangers group 9 and the second hangers group 10；
As it is shown on figure 3, upper swivel cougling 1 is a tube structure, axially extends from cylinder bottom and be formed with two and be positioned at
First connector 101 of offside, two the first connectors 101 offer respectively one with cross hollow joint 11 on outside hangers
The first connecting hole 102 that footpath adapts, makes swivel cougling 1 be inserted into the first hangers respectively by two the first connecting holes 102
On two hangers of group 9, and it is provided with the external diameter barrier more than the first connecting hole 102 two hangers ends, it is to avoid use process
In the first connector 101 depart from the first hangers group 9；Due to upper swivel cougling 1 using be positioned at two cylindrical hangers of offside as
Load-bearing axle is formed and connects, and therefore going up swivel cougling 1 can swing with cylindrical hangers for axle；Wherein, the first connector 101
For the arcuate structure adapted with cylinder radian, its radial width is narrow, makes the swivel cougling 1 full swing angle with hangers as axle
Degree is 90 °；
Side radially inward, the cylinder bottom extension of upper swivel cougling 1 is formed with first annular step, and the first pressure cap 8 is one
Top is provided with annular boss and center offers the cylinder of through hole, is inserted in cylinder, annular boss pressure on the downside of the first pressure cap 8
Fit on the end face of first annular step, by multiple the first peripherally disposed trip bolts 7, first pressure cap 8 is fixed
On first annular step；It is provided with two seals circle 6 on outer wall on the downside of first pressure cap 8；
As shown in Figure 4, lower swing joint 16 is also a tube structure, axially extends from cylinder top and is formed with two positions
On the second connector 1601 of offside, two the second connectors 1601, offer one respectively hang on cross hollow joint 11
The second connecting hole 1602 that ear external diameter adapts, makes lower swing joint 16 be inserted into cross by two the second connecting holes 1602 empty
On two hangers of the second hangers group 10 being positioned at offside on core joint 11, and it is provided with external diameter two hangers ends more than second
The barrier of connecting hole 1602, it is to avoid during use, the second connector 1601 departs from the second hangers group 10；Owing to lower swing connects
16 are formed as load-bearing axle and connect being positioned at two cylindrical hangers of offside, and therefore lower swing joint page 16 can be with cylinder
Hangers is that axle swings；Wherein, the second connector 1601 also has the arcuate structure adapted with cylinder radian, and it is radially-wide
Spend narrow, make the lower swing joint 16 can also be with hangers as axle so that it is full swing angle is 90 °；
The extension of the cylinder top of lower swing joint 16 side radially inward is formed with the second ring-shaped step, and the second pressure cap 12 is tied
Structure and the first pressure cap 8 structure are identical, are that a top is provided with annular boss and center offers the cylinder of through hole, the second pressure cap 12
Downside is inserted in cylinder, annular boss is press-fitted on the end face of the second ring-shaped step, by multiple peripherally disposed
Second pressure cap 12 is fixed on the second ring-shaped step by the second trip bolt 13；It is provided with two on outer wall on the downside of second pressure cap 12
Road sealing ring 14；
As it is shown in figure 1, power transfer mechanism includes conductive plug 2, conductive cable 5 and the conduction being sequentially connected with from top to bottom
Socket 19；Specifically,
Conductive plug 2 includes the first copper rod and is arranged on thin copper bar on the first copper rod end face；Offer from thin copper bar top
The one axial deep trouth that thin copper bar upper part is segmented into two lobes, is provided with a waveform reed 3, makes the two of thin copper bar in axial deep trouth
Flap-type structure expands outwardly under the elastic force effect of reed 3, it is ensured that thin copper when conductive plug 2 is inserted in corresponding electrically conductive socket 19
Rod remains and electrically conductive socket 19 contact internal walls under the elastic force effect of reed 3, i.e. remains "on" position；
Electrically conductive socket 19 includes the second copper rod；Caving inward from the second copper rod 9 bottom surface, it is slotting for plug-in mounting conduction to offer one
The axial socket of head；The internal diameter of axial socket adapts with the external diameter of the thin copper bar of conductive plug 2；
Conductive cable 5 is through inside upper swivel cougling 1, cross hollow joint 11 and lower swing joint 16, and its top
It is welded and fixed with the first copper rod bottom surface of conductive plug 2 and the second copper rod end face of electrically conductive socket 19 respectively with bottom；Wherein, lead
The length of electrical cables 5 is slightly larger than the distance of conductive plug 2 bottom surface to electrically conductive socket 19 end face；For ensureing power transfer mechanism and entangling
Between mechanism, insulating properties are good partially, are coated with one layer of insulation on the outer wall of the first copper rod, conductive cable 5 and the second copper rod 9
Layer 18, insulating barrier 18 uses ultra high molecular polyethylene or high density polyethylene (HDPE) to make, breakdown voltage resistant 1000V；
In order to make power transfer mechanism be fixed on inside deviation correction mechanism, specifically, the cylinder internal diameter of upper swivel cougling 1 and its
Upper connector bottom external diameter adapts, and the first pressure cap 8 internal diameter and conductive cable 5 external diameter being coated with insulating barrier 18 adapt, the
One pressure cap 8 extruded sleeve is loaded on outside conductive cable 5, makes conductive plug 2 arrange and be fixed in swivel cougling 1；Lower swing connects
The cylinder internal diameter of 16 and the internal diameter of the second pressure cap 12 all adapt with conductive cable 5 external diameter being coated with insulating barrier 18, make
Two pressure caps 12 and lower swing joint 16 extruded sleeve are loaded on outside conductive cable 5, make electrically conductive socket 19 arrange and be fixed on lower swing
In joint 16.
As it is shown in figure 5, for ensureing the concordance that electric power transmits, simultaneously to its connector 22 and the connection end of lower connector 24
Improve: upside connector 22 bottom is provided with has the electrically conductive socket 2201 of same mechanism, and upside with electrically conductive socket 19
The bottom outer wall of connector 22 is provided with connection external screw thread；Upper swivel cougling 1 inwall is provided with for upside connector 22 even
Connect fixing connection female thread 4, by being arranged on the double sealing circle 6 on the first pressure cap 8 outer wall and upside connector 22 outer wall
On sealing ring 24, make between swivel cougling 1 and upside connector 22 formed be sealedly connected and fixed, wherein, upper swivel cougling 1
Interior conductive plug 2 is inserted in the electrically conductive socket 2201 of upper connector 22.
In like manner downside connector 23 is carried out identical transformation: downside connector 23 bottom is processed as and conductive plug 2 structure
Consistent conductive plug 2301, and downside connector 23 inwall is provided with connection female thread；Under lower swing joint 16 outer wall foundation
The inner wall shape of the connecting portion of side connector 23 is processed as outer wall stepped reduction structure, adds on the outer wall in external diameter minimum portion
Work has connection external screw thread 17, and seals by being separately positioned on the first sealing ring 15 and second at various outer diameter from top to bottom
Circle 20, makes to be formed between lower swing joint 16 and downside connector 23 to be sealedly connected and fixed, the conductive plug 2301 of lower connector
It is plugged in the electrically conductive socket 19 in lower swing joint 16.
Claims (10)
1. an anti-sway deviation correcting device, it is characterised in that include that deviation correction mechanism and power transfer mechanism, deviation correction mechanism center are offered
Through hole, power transfer mechanism is had to arrange and be fixed on inside deviation correction mechanism；Wherein,
Deviation correction mechanism includes upper swivel cougling (1), cross hollow joint (11) and the lower swing joint being sequentially connected with from top to bottom
(16)；Cross hollow joint (11) include a center offer through hole cylindrical body and uniform along body circumferencial direction and with
Four cylindrical hangers that body is axially vertical；Upper swivel cougling (1) and lower swing joint (16) respectively with cross hollow joint
(11) the one group of hangers being positioned at offside on is flexibly connected, and makes swivel cougling (1) and the lower swing joint (16) all can be with connection
Hangers be axle swing；
Power transfer mechanism includes conductive plug (2), conductive cable (5) and the electrically conductive socket (19) being sequentially connected with from top to bottom；
By being coated on the insulating barrier (18) of conductive plug (2), conductive cable (5) and electrically conductive socket (19) outer wall and being separately positioned on
First pressure cap (8) of swivel cougling (1) bottom and be arranged on second pressure cap (12) on lower swing joint (16) top and make conduction insert
Head (2) arranges and is fixed in swivel cougling (1), and electrically conductive socket (19) arranges and is fixed in lower swing joint (16).
Anti-sway deviation correcting device the most according to claim 1, it is characterised in that conductive plug (2) includes the first copper rod and sets
Put thin copper bar on the first copper rod end face；Offer one from thin copper bar top and thin copper bar upper part is segmented into the deepest of two lobes
Groove, is provided with a waveform reed (3) in axial deep trouth, make two flap-type structures of thin copper bar under the elastic force effect of reed (3)
Expand outwardly；Electrically conductive socket (19) includes the second copper rod；Cave inward from the second copper rod (9) bottom surface and offer one and lead for plug-in mounting
The axial socket of plug.
Anti-sway deviation correcting device the most according to claim 1, it is characterised in that upper swivel cougling (1) is a tube structure, from
Cylinder bottom axially extends and is formed with two the first connectors being positioned at offside, and two the first connectors offer one respectively
The first connecting hole that individual hangers external diameter upper with cross hollow joint (11) adapts, makes swivel cougling (1) by two first
Connecting hole is inserted on cross hollow joint (11) the one group of hangers being positioned at offside, is formed and is flexibly connected.
Anti-sway deviation correcting device the most according to claim 3, it is characterised in that side radially inward, cylinder bottom extends and formed
Having first annular step, the first pressure cap (8) is that a top is provided with annular boss and center offers the cylinder of through hole, the first pressure
Cap (8) downside is inserted in cylinder, annular boss is press-fitted on the end face of first annular step, is along the circumferential direction set by multiple
First pressure cap (8) is fixed on first annular step by the first trip bolt (7) put.
Anti-sway deviation correcting device the most according to claim 4, it is characterised in that be respectively provided with on the outer wall of the first pressure cap (8) downside
There is at least one sealing ring.
Anti-sway deviation correcting device the most according to claim 3, it is characterised in that upper swivel cougling (1) inwall be provided with for
Fixing connection female thread (4) it is connected with upside connector.
Anti-sway deviation correcting device the most according to claim 1, it is characterised in that lower swing joint (16) is a tube structure,
Axially extend from cylinder top and be formed with two the second connectors being positioned at offside, two the second connectors offer respectively
The second connecting hole that one hangers external diameter upper with cross hollow joint (11) adapts, makes lower swing joint (16) by two the
Two connecting holes are inserted on cross hollow joint (11) another group hangers being positioned at offside, are formed and are flexibly connected.
Anti-sway deviation correcting device the most according to claim 7, it is characterised in that cylinder top side radially inward extends and formed
Having the second ring-shaped step, the second pressure cap (12) is that a top is provided with annular boss and center offers the cylinder of through hole, second
Pressure cap (12) downside is inserted in cylinder, annular boss is press-fitted on the end face of the second ring-shaped step, by multiple circumferentially sides
To the second trip bolt (13) arranged, the second pressure cap (12) is fixed on the second ring-shaped step.
Anti-sway deviation correcting device the most according to claim 8, it is characterised in that be respectively provided with on the outer wall of the second pressure cap (12) downside
There is at least one sealing ring (6).
Anti-sway deviation correcting device the most according to claim 7, it is characterised in that lower swing joint (16) outer wall is provided with use
In being connected fixing connection external screw thread (17) with downside connector；Lower swing joint (16) outer wall is provided with at least one close
Seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610753121.2A CN106168120B (en) | 2016-08-29 | 2016-08-29 | Anti-sway deviation correcting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610753121.2A CN106168120B (en) | 2016-08-29 | 2016-08-29 | Anti-sway deviation correcting device |
Publications (2)
| Publication Number | Publication Date |
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| CN106168120A true CN106168120A (en) | 2016-11-30 |
| CN106168120B CN106168120B (en) | 2018-02-27 |
Family
ID=57376118
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610753121.2A Active CN106168120B (en) | 2016-08-29 | 2016-08-29 | Anti-sway deviation correcting device |
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| Country | Link |
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| CN (1) | CN106168120B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194136A (en) * | 2016-08-29 | 2016-12-07 | 王国良 | A kind of screw pump oil production device with heating arrangements under pump and oil production method thereof |
| CN112652930A (en) * | 2020-11-30 | 2021-04-13 | 中国石油天然气集团有限公司 | Contact type wire passing motor conversion offset assembly and electric signal transmission method |
| CN114991684A (en) * | 2022-07-19 | 2022-09-02 | 四川中安嘉盛石油科技有限公司 | Flexible nipple for rotary steering drilling and mounting method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106194136A (en) * | 2016-08-29 | 2016-12-07 | 王国良 | A kind of screw pump oil production device with heating arrangements under pump and oil production method thereof |
| CN106194136B (en) * | 2016-08-29 | 2019-01-22 | 王国良 | A kind of screw pump oil production device and its oil production method with pump lower heating mechanism |
| CN112652930A (en) * | 2020-11-30 | 2021-04-13 | 中国石油天然气集团有限公司 | Contact type wire passing motor conversion offset assembly and electric signal transmission method |
| CN114991684A (en) * | 2022-07-19 | 2022-09-02 | 四川中安嘉盛石油科技有限公司 | Flexible nipple for rotary steering drilling and mounting method thereof |
| CN114991684B (en) * | 2022-07-19 | 2022-10-25 | 四川中安嘉盛石油科技有限公司 | Flexible nipple for rotary steering drilling and mounting method thereof |
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| Publication number | Publication date |
|---|---|
| CN106168120B (en) | 2018-02-27 |
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