CN107614827A - Shaft coupling - Google Patents
Shaft coupling Download PDFInfo
- Publication number
- CN107614827A CN107614827A CN201680022308.3A CN201680022308A CN107614827A CN 107614827 A CN107614827 A CN 107614827A CN 201680022308 A CN201680022308 A CN 201680022308A CN 107614827 A CN107614827 A CN 107614827A
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- China
- Prior art keywords
- connection end
- cloudy
- bar
- positive connection
- component
- 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.)
- Pending
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- 230000008878 coupling Effects 0.000 title claims abstract description 69
- 238000010168 coupling process Methods 0.000 title claims abstract description 69
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 69
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000010276 construction Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000003245 coal Substances 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000005086 pumping Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005242 forging Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010959 steel 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
- F16D1/108—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
- F16D2001/103—Quick-acting couplings in which the parts are connected by simply bringing them together axially the torque is transmitted via splined connections
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)
- General Engineering & Computer Science (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
A kind of coupling assembly for the first bar component to be coupled with the second bar component, the component include the positive connection end of the first bar component, and it is suitable to be contained in the cloudy connection end of the second bar component；And locking mechanism, for preventing the first and second bar components from disengaging, locking mechanism includes the retainer between positive connection end and locking component so that at least a portion and retainer of locking component engagement female connection end during use, so as to prevent positive connection end from being withdrawn from from cloudy connection end.
Description
Technical field
Present disclosure is related to a kind of component for being used to link together on bar or bar segment (such as sucker rod), and especially
Ground is related to the application in oil and gas industry.
Background technology
Especially (but not exclusively) is used in the application with rotary sucker rod post present disclosure.Therefore, will combine
The problem of related to rotary sucker rod post, discusses present disclosure, the rod string that underground uses particularly in oil and gas industry
The problem of application of upper application high torque is related.
The subsurface deposit of coal contains the methane gas largely carried secretly in the deposit of coal.So far, open extensively
Send out and major obstacles be present using the methane gas deposits in coal seam.Sixty-four dollar question is, although coal seam may extend
To thousands of acres of area, but generally depth is quite shallow, from several inches to several meters.Therefore, coal seam generally with must be from coal
Layer discharge is associated with producing the underground water of methane.
Typical CSG well heads are arranged on surface level, it is ensured that water and the gas for safely handling all productions are very heavy
Will.Pumping mechanism generally includes sucker rod, and the sucker rod is in pipe internal rotation and by the motor from well head or hydraulic motor
Power is delivered to the progressive chamber pump (PCP) in underground of the surface or underface of the target coal of opening position located underground.The PCP is by taking out
When beam hanger drives, water is pumped into by ground from coal seam by the pipe.
PCP is operably linked to Surface power drive source by a series of sucker rod of connections.For example, each sucker rod can be with
By about 25 to 30 feet long, central diameters 5/8 " and 11/8" between solid hopkinson bar be process, its bar either end have
There are threaded and shoulder." sucker rod shaft coupling " well known in the prior art generally includes cylindrical female component, and uses
In by each section of component for being joined together to form referred to as " rod string " of sucker rod.Sucker rod shaft coupling is usually 4 " it is long,
Its external diameter is more than the shoulder of the protrusion of sucker rod.Sucker rod bar is made up of hot rolled alloy steel, and bar is by machine straightening and is cold drawn to institute
Need size.The size designed according to API (American Petroleum Institute), hot forging boom end, hot place then is carried out to the whole length of bar
Reason.According to the requirement of mechanical performance, bar is standardized and is tempered to specified level or quenching and is tempered to required hardness and strong
Degree.Notice there is no the structure of residual stress in bar.From heat treatment material cutting sample, and test limits stretching is strong
Degree, yield strength and elongation.Then the glacing flatness of bar is checked again for.The end of forging is aligned completely with its main body.Bar passes through
Blast cleaning is to remove any fouling and oxidation.The end of forging processes according to API sizes on C.N.C. lathes, and with
The gauge of API certifications is checked.
Rod string is fed by the concentric tubing string being made up of 30 feet of pipeline sections, and it is threaded togather simultaneously generally
With 23/8" and 41/2" between nominal inside diameter.The function of rod string be flowed through by rod string by pumping fluid and
The ring that tubing string is formed activates down-hole pump, to force fluid to flow to surface.PCP rotary sucker rod posts, and the usual edge of reciprocating pump
The axial direction of rod string moves up and down sucker rod bar.
It is torque anchor immediately below PCP, it is suitable for the inside of housing.Positioning of anchor into by constant rotary sucker rod come
Prevent tubotorsion from dislocating.It is tail pipe pump intake below anchor pole, it is designed to ensure that the underground separation of gas and water, and prevents gas
It is pulled through PCP.Lighter gas rises and is trapped between pipe and steel sheel, and heavier water falls on the bottom of well and in well head
Pumped up during operation by PCP to tubing string.
The significant problem for being related to the pumping operation correlation of the underground pump driven by roofbolt is the blocking of underground pump.Generally, ground
Lower water includes the suspended solid for being easy to blocking underground pump.This can produce significant impact to production and cause attended operation to extend,
Reason is possible need to remove roofbolt, and it may also be desirable to removably descend pump in some cases.
It will readily recognize that, the prior art being mentioned above does not constitute an admission that the disclosure is Australia or appointed
A part for general knowledge known in this field in what other countries.
The content of the invention
In a first aspect, the invention provides a kind of connection group for the first bar component to be coupled with the second bar component
Part, the component include：The positive connection end of first bar component, it is suitable to be contained in the cloudy connection end of the second bar component；And lock
Determine mechanism, it is used to prevent the first bar component and the second bar component from disengaging, and locking mechanism includes being located at positive connection end and lock
Determine the retainer between component so that at least a portion of locking component engagement female connection end and retainer during use, from
And prevent positive connection end from being withdrawn from from cloudy connection end.
In second aspect, the invention provides a kind of bar assembly, and it includes：Positive connection end and cloudy connection end so that bar group
The positive connection end of part is suitable to be contained in the cloudy connection end of another bar assembly；And locking mechanism, it is included positioned at sun connection
Retainer between end and locking component so that the cloudy connection of locking component engagement retainer and another bar assembly during use
At least a portion at end, so as to prevent positive connection end from being withdrawn from from cloudy connection end.
In the third aspect, the invention provides a kind of connection group for the first sucker rod to be coupled with the second sucker rod
Part, the component include：The positive connection end of first sucker rod, it is suitable to be contained in the cloudy connection end of the second sucker rod；And lock
Determine mechanism, it is used to prevent the first sucker rod and the second sucker rod from disengaging, and locking mechanism includes being located at positive connection end and lock
Determine the retainer between component so that at least a portion of locking component engagement female connection end and retainer during use, from
And prevent positive connection end from being withdrawn from from cloudy connection end.
In fourth aspect, the invention provides a kind of connection for the first coupling member to be coupled with the second coupling member
Component, the component include：
The positive connection end of first coupling member, it is suitable to be contained in the cloudy connection end of the second coupling member；And
Locking mechanism, it is used to prevent the first coupling member and the second coupling member from disengaging, and locking mechanism includes position
Retainer between positive connection end and locking component so that locking component engagement female connection end and retainer during use
At least partially, so as to preventing positive connection end from being withdrawn from from cloudy connection end.
It has been discovered by the applicants that provide such as the locking mechanism in the present invention described in terms of first, second, and third
Coupling bar is rotated clockwise or counterclockwise, the bar without making to use in roofbolt has disconnection to couple
Risk.
In typical operation, roofbolt (bar for including multiple connections) as described in preceding sections is by the electricity that rest on the ground
Motivation drives.Roofbolt is arranged in underground, for driving the PCP pumps of position located underground.It is important to understand that prior art
In known sucker rod shaft coupling include sucker rod, the sucker rod has the male connector for being threaded matching surface, the screw thread
Matching surface includes the screw in the female connector for the sucker rod for being generally threadedly coupled to another connection.Due to prior art
In known screw thread coupling, the sucker rod shaft coupling of prior art only allows the sucker rod roofbolt of prior art in single direction
(clockwise or counterclockwise) rotated on, particularly shaft coupling keeps the direction of the draw bail of the sucker rod of connection.Therefore, it is existing
The shaft coupling of technology is unsuitable for allowing rotary sucker rod shaft coupling in the two directions.
The shortcomings that present invention is by providing coupling assembly and tube assembly to reduce the sucker rod shaft coupling of prior art, it has
There is the construction for allowing roofbolt in rotation clockwise and counterclockwise (using the shaft coupling or tube assembly of the present invention), without making
The bar (including sucker rod) of connection has the risk disengaged.
It is important to understand that provide the shaft coupling as described in the present invention allowed along rotating clockwise and counterclockwise
Device or conduit assembly will remarkably facilitate reduce the complexity relevant with the blocking of solution pumped underground device (such as PCP) and
It is difficult.For example, during the routine operation of well head, roofbolt can be rotated in a clockwise direction drivingly to descend pump, to pump out
Underground water.However, in the case of being blocked in the pump of underground, it is contemplated that shaft coupling of the invention and/or bar assembly can be with
For reversion rotation in the counterclockwise direction, so as to flushing water (rather than being pumped clockwise in operation), so as to which water be rinsed
Pass through underground pump.Therefore, by component provided by the invention, can greatly reduce for solve the complexity of underground pump block, into
Sheet and maintenance time.
The setting of retainer between positive connection end and locking component and important because this arrangement stop or
Prevent male connector from unexpectedly being withdrawn from from cloudy connector, particularly during the axial direction of roofbolt or reciprocating operation.Locking component structure
Engagement female connection end and retainer are caused, so as to prevent positive connection end from being withdrawn from from cloudy connection end.
In some embodiments, the positive connection end of at least a portion includes composition surface, and it is suitable to forming cloudy connection end
In the inner surface of chamber engage, so as to prevent positive connection end from being rotated relative to cloudy connection end.
Preferably, the engagement can be provided by providing the arrangement of rib and groove.In another preferred embodiment, it is positive
At least one in connection end and cloudy connection end can include one or more ribs, and positive connection end and cloudy connection end is another
The individual one or more passages that can include corresponding to one or more of ribs so that one or more of during use
Ribbed joint is in corresponding one or more passages, so as to prevent positive connection end from being rotated relative to cloudy connection end.For example, rib
It can extend along positive connection end and/or the direction of the imaginary longitudinal axis of cloudy connection end.In the exemplary embodiment, rib can
By by along positive connection end composition surface extension spline in the form of provide so that spline be dimensioned to be suitable for along
The passage that the slot form of the inwall extension of chamber in cloudy connection end provides.Rib and corresponding passage can along positive connection end and/
Or the direction extension of the imaginary longitudinal axis of cloudy connection end.
Due to multiple reasons, it is very favorable to provide rib and the arrangement of groove in the above-described embodiment.First, with it is existing
The screw used in the shaft coupling of technology is different, and the engagement between positive connection end and cloudy connection end allows component along clockwise
And counterclockwise rotates, without making positive connection end and cloudy connection end that there is the risk disengaged.Secondly, applicant also recognizes
Know, due to the arrangement of above-mentioned rib and groove, compared with the shaft coupling that prior art provides, the shaft coupling of embodiments of the present invention
The significant increase (at least twice) of torsion tolerance of device.
In at least some embodiments, locking component is adapted to positive connection end and the movement of cloudy connection end.Preferably,
The form that locking component can be suitable for the lock nut moved along the bar of connection or the axis of imaginaries of bar assembly is set.Locking
Nut includes the negative thread for the respective threaded for being adapted to engage with being arranged on outer wall/perisporium of cloudy connection end.In locked configuration, lock
Determining nut can be received and held at least partly cloudy connection end and retainer in the inner space limited by nut.At one
In example, the form that lock nut can be suitable for the idle running nut for independently rotating and fastening provides, without rotating sun connection
End and cloudy connection end.
Help to couple positive connection end and cloudy connection end with such configuration provides nut, while also allow the bar of connection to exist
Rotate in clockwise and counterclockwise direction, without disengaging the coupling bar in roofbolt, as in the previous section.
Lock nut is additionally may included in one or more recesses on the shoulder of nut, is suitable to apply to nut for placing
Add at least a portion of the instrument of moment of torsion.
In some embodiments, cloudy connection end can also include one or more additional notches, for placing suitable for fixed
At least a portion of at least one of instrument of position or engagement female connection end.
The locking component of the present invention is not limited to lock nut, and easily can be substituted by the locking device substituted, should
Locking device is applied at least a portion of engagement female connection end and retainer, to prevent positive connection end from being withdrawn from from cloudy connection end.
In some embodiments, retainer includes projection, its horizontal stroke in the imaginary longitudinal axis relative to positive connection end
Stretch out on to direction.Preferably, the retainer of such as projection can be provided with the profile of projection relative to positive connection end.Example
Such as, retainer can be adequately formed in the form of the annular construction member of the circular contour of neighbouring positive connection end positioning so that joined
Connect in construction, the ring element of shaping can not be contained in the intracavitary formed by cloudy connection end.In some embodiments, retainer can
To be arranged to be integrally formed as abutting the stopper element of a part for the bar of positive connection end.
Any feature described herein can within the scope of the invention with it is described herein any one or more
Further feature is combined in the form of any combination of.
Reference in this specification to any prior art be not be also not considered as forming prior art it is known often
A part for knowledge recognize or any type of suggestion.
Brief description of the drawings
The various embodiments of the present invention will be described with reference to the following drawings, in the accompanying drawings：
Preferred feature, embodiment and the change of the present invention can be from providing enough letters for those skilled in the art below
Cease and find out to perform in the embodiment of the present invention.Embodiment should not be viewed as a limitation the present invention in any way
Foregoing summary scope.Embodiment will be with reference to the following drawings：
Fig. 1 is the sectional view in the first embodiment of the invention for disengaging configuration.
Fig. 2 is the sectional view according to the bar of first embodiment.
Fig. 3 is the sectional view according to two bars in connection configuration of first embodiment.
Fig. 4 is the first stereogram according to the coupling assembly for including two bars of first embodiment.
Fig. 5 is the second stereogram according to the coupling assembly of two bars in connection configuration of first embodiment.
Fig. 6 is the top view in two bars for disengaging configuration according to first embodiment.
Fig. 7 is the end perspective view in two bars for disengaging configuration according to first embodiment.
Fig. 8 is the stereogram for the coupling assembly for showing the connection configuration according to second embodiment.
Fig. 9 is the top view for the coupling assembly for showing the connection configuration according to second embodiment.
Embodiment
Referring to Fig. 1 to Fig. 6, first embodiment of the invention is provided in the form of bar assembly, specifically includes sun connection
End 10 and the sucker rod 100 of cloudy connection end 20.Multiple sucker rods 100, such as the first sucker rod 100A can be by the way that first be taken out
Beam hanger 100A positive connection end 10 is connected or matched with the cloudy connection end 20 of another sucker rod (such as second sucker rod 100B)
It is connected in series the second sucker rod 100B.Positive connection end 10 includes the positive connecting portion for the substantial cylindrical being cooperatively received in chamber 22
Divide 12, so as to which sucker rod 100A positive connection end 10 be engaged with sucker rod 100B cloudy connection end 20.Positive coupling part 12 is set
It is equipped with multiple engagement ribs of the form of spline 14 along the direction extension of the longitudinal axis of bar 100.Chamber 22 in cloudy connection end 20
There is provided in the form of hollow circular cylinder, hollow circular cylinder, which has, to be suitable to receive and be kept into engagement by multiple splines 14 or coordinate structure
The groove 24 (especially clearly being shown in such as Fig. 3) made.The rib or flower engaged with the groove in the construction or passage 24 is provided
Key 14 allows the sucker rod 100A and 100B of connection along rotating clockwise and counterclockwise, without rotation behaviour in any direction
Disengage bar 100A and 100B during work.In addition, the unlimited system of the scope of the present invention is arranged in the bar or coupling assembly
Vertical spline 14 (and corresponding groove 24) quantity.
Locking mechanism 30 is also provided, for preventing the routine operation phase in a series of connection roofbolt including coupling bars 100
Between positive connection end 10 withdrawn from from cloudy connector 20.Locking mechanism 30 includes the shape of ring-shaped step 32 that neighbouring positive coupling part 12 is set
The retainer of formula.The locking component for providing the form of lock nut 34 is used to deploy locking mechanism.Lock nut 34 includes and setting
The negative thread 36 that pin thread 26 on the periphery wall of cloudy connection end 20 engages.Locking nut 34 can along bar 100 ridge from
By moving, and can independently be rotated relative to bar 100.In typical operation, by the way that spline 14 is registered to accordingly
In the chamber 22 that positive coupling part 12 is received to cloudy connection end 20 in groove 24.Then connected by deploying the locking of locking mechanism 30
The bar 100A and 100B that connect this cooperation configuration (particularly evident in figure 3).Lock nut 34 is promoted along the ridge of bar 100,
Until the lower portion 35 of lock nut 34 abuts or contacted with step member 32.This causes ring-shaped step 32 to be positioned at cloudy connection
Between end 20 and lock nut 34.In addition, by tightening operation, the negative thread 36 in lock nut 34 is with pin thread 26 (in the moon
On the outer wall of connection end 20) engagement can be realized by engaging the otch 37 that is arranged on the head of lock nut 34, with
Fastening and the connection between fix bar 100A and 100B.
With reference to figure 8 and Fig. 9, the second embodiment for coupling bar assembly is shown.Similar reference is illustrated preceding
Similar feature described in the part of face.A diameter of 1 inch of the sucker rod for including positive connection end 10 and cloudy connection end 20 is provided
200.As described in preceding sections, multiple sucker rods 200, such as the first sucker rod 200A can be by by the first sucker rod 200A's
Positive connection end 10 is connected or matched with the cloudy connection end 20 of another sucker rod (such as second sucker rod 200B) to be connected in series
Two sucker rod 200B.
Positive connection end 10 includes the positive coupling part 12 for the substantial cylindrical being cooperatively received in chamber 22, so as to pump
Bar 100A positive connection end 10 engages with sucker rod 100B cloudy connection end 20.Positive coupling part 12 is provided with along bar 200
Multiple engagement splines 14 of the direction extension of longitudinal axis.Spline 14 is arranged to the form of 14 teeth, such as along positive connecting portion
The projection of the fit on surface extension divided.The larger external diameter (including height of spline or tooth) of positive coupling part 12 is 1.25 English
It is very little.Less external diameter (height not including spline or tooth) is 1.0625 inches.
Chamber 22 in cloudy connection end 20 is provided in the form of the hollow circular cylinder with groove 24, and groove 24 is suitable to will be multiple
Spline 14 engages and is maintained at engagement or coordinates and (especially clearly shown in such as Fig. 9) in configuration.There is provided with it is described configuration with it is recessed
The rib or spline 14 that groove or passage 24 engage allow sucker rod 200A and the 200B edge of connection to rotate clockwise and counterclockwise,
Without disengaging bar 200A and 200B during rotation process in any direction.Again, it is intended that illustrate, the present invention
Not by the quantity for the spline being located on positive coupling part 12, or the quantity for the groove being located on cloudy coupling part 22 is limited.This
Outside, the scope of the present invention is not by the quantity for the vertical spline 14 (and corresponding groove 24) being arranged in the bar or coupling assembly
Limited.
Locking mechanism 30 prevents the positive connection end 10 during a series of routine operation of the connection roofbolt including coupling bars 200
Withdrawn from from cloudy connector 20.Locking mechanism 30 includes the retainer for the form of ring-shaped step 32 that neighbouring positive coupling part 12 is set.
The locking component for also providing the form of lock nut 34 is used to deploy locking mechanism 30.Lock nut 34 is included with being arranged on cloudy connection
The negative thread 36 along inner surface setting that pin thread 26 on the periphery wall at end 20 engages.Lock nut 34 can be along bar
200 spine moves freely, and can independently be rotated relative to bar 200.
In typical operation, positive coupling part 12 is received by the way that spline 14 is registered in corresponding groove 24
In the chamber 22 of cloudy connection end 20.Then configured by the bar 200A and 200B that deploy the locking connection of locking mechanism 30 this cooperation
(particularly evident in fig.9).Lock nut 34 is promoted along the ridge of bar 200, until the lower portion 35 of lock nut 34 abuts
Or contact step member 32.This causes ring-shaped step 32 between cloudy connection end 20 and lock nut 34.
Compared with the embodiment shown in Fig. 1 to Fig. 6, the significant difference of Fig. 8 and the embodiment shown in Fig. 9, which is related to, to be joined
Retention mechanism for deploying locking nut 34 is provided during extension bar 200A and 200B.Specifically, lock nut 34 is included positioned at lock
Determine the cut out portion 347 of the head end of nut 34.The cut out portion 347 for including polygonal crosssection is set to allow lock nut 34 to hold
Change places and engaged by the locking tool of such as spanner (not shown).Cloudy connection end 20 is additionally provided with cut out portion 247, for allowing
Cloudy connection end 20 is held in place while tightening retaining nuts 34.
The invention is not restricted to sucker rod and lid bar assembly, such as can be used in a manner of described by entire disclosure short
Bar, polished rod and other such bars.In at least some embodiments, present invention additionally comprises for connecting the rod to underground pump
Or the coupling assembly of pumping installations.
In the present specification and claims (if any), word " including (comprising) " and its including
The derivative words of " including (comprises) " and " including (comprise) " include each in the integer, but are not excluded for wrapping
Include other one or more integers.
The reference to " embodiment " or " embodiment " means to retouch with reference to the embodiment in this manual
Special characteristic, structure or the characteristic stated are included at least one embodiment of the present invention.Therefore, through each of this specification
The phrase " in one embodiment " or be not necessarily all referring to identical embodiment " in embodiments " that individual part occurs.
In addition, special characteristic, structure or feature can combine in one or more combines in any suitable manner.
According to regulation, the present invention is described with the more or less specifically language of architectural feature or method characteristic.Should
Work as understanding, the invention is not restricted to shown or described specific features, because method described herein includes making the present invention effectively
Preferred form.Therefore, in the appropriate model for the appended claims (if any) suitably explained by those skilled in the art
In enclosing, its claimed any form or modification.
Claims (17)
1. a kind of coupling assembly for the first bar component to be coupled with the second bar component, the component includes：
The positive connection end of first bar component, it is suitable to be contained in the cloudy connection end of the second bar component；And
Locking mechanism, it is used to prevent the first bar component and the second bar component from disengaging, and the locking mechanism is included positioned at sun
Retainer between connection end and locking component so that locking component engagement female connection end and retainer be at least during use
A part, so as to prevent positive connection end from being withdrawn from from cloudy connection end.
2. a kind of bar assembly, including：
Positive connection end and cloudy connection end so that the positive connection end of bar assembly is suitable to the cloudy connection end for being contained in another bar assembly
In；And
Locking mechanism, it includes the retainer between positive connection end and locking component so that during use, locking component
Cloudy connection end and at least a portion of retainer of another bar assembly are engaged, so as to prevent positive connection end from being withdrawn from from cloudy connection end.
3. a kind of coupling assembly for the first sucker rod to be coupled with the second sucker rod, described to allow fluid from wherein
Component includes：
The positive connection end of first sucker rod, it is suitable to be contained in the cloudy connection end of the second sucker rod；And
Locking mechanism, it is used to prevent the first sucker rod and the second sucker rod from disengaging, and the locking mechanism is included positioned at sun
Retainer between connection end and locking component so that locking component engagement female connection end and retainer be at least during use
A part, so as to prevent positive connection end from being withdrawn from from cloudy connection end.
4. a kind of coupling assembly for the first coupling member to be coupled with the second coupling member, the component includes：
The positive connection end of first coupling member, it is suitable to be contained in the cloudy connection end of the second coupling member；And
Locking mechanism, it is used to prevent the first coupling member and the second coupling member from disengaging, and the locking mechanism includes position
Retainer between positive connection end and locking component so that locking component engagement female connection end and retainer during use
At least partially, so as to preventing positive connection end from being withdrawn from from cloudy connection end.
5. bar according to any one of the preceding claims or coupling assembly, wherein, at least one of the positive connection end
Dividing includes composition surface, and the composition surface is suitable to engage with forming the inner surface of the chamber in the cloudy connection end, so as to prevent
Positive connection end relative to cloudy connection end rotation.
6. bar according to any one of the preceding claims or coupling assembly, wherein, the positive connection end and cloudy connection end
In it is at least one including one or more ribs, and in the positive connection end and cloudy connection end another include correspond to institute
State one or more passages of one or more ribs so that one or more of ribbed joints are corresponding during use
In one or more passages, so as to prevent the positive connection end from being rotated relative to the cloudy connection end.
7. bar according to claim 5 or coupling assembly, wherein, one or more of ribs are along the positive connection end
And/or the direction extension of the imaginary longitudinal axis of cloudy connection end.
8. bar according to any one of the preceding claims or coupling assembly, wherein, the retainer includes projection, described
Projection stretches out on the horizontal direction of the imaginary longitudinal axis relative to the positive connection end.
9. bar according to any one of the preceding claims or coupling assembly, wherein, the retainer is included relative to institute
State the raised profile of positive connection end.
10. bar according to any one of the preceding claims or coupling assembly, wherein, the retainer includes substantially ring
The construction of shape.
11. bar according to any one of the preceding claims or coupling assembly, wherein, the locking component is adapted to
The positive connection end and the movement of cloudy connection end.
12. bar according to any one of the preceding claims or coupling assembly, wherein, the locking component includes locking spiral shell
It is female so that in locked configuration, respective threaded of the lock nut engagement on the outer wall of the cloudy connection end.
13. bar according to claim 12 or coupling assembly, wherein, the lock nut can be relative to positive connection end and the moon
Move connection end.
14. bar or coupling assembly according to claim 12 or 13, wherein, the lock nut includes negative thread, described
Negative thread is adapted to engage with the respective threaded being arranged on outer wall/perisporium of the cloudy connection end.
15. bar or coupling assembly according to any one of claim 12 to 14, wherein, in the lock arrangement, institute
State lock nut and at least partly described cloudy connection end and retainer are received and held in the inner space limited by the nut
In.
16. bar according to any one of the preceding claims or coupling assembly, wherein, the lock nut is included in described
One or more recesses on the shoulder of nut, for placing at least one suitable for the instrument to nut application moment of torsion
Point.
17. bar according to any one of the preceding claims or coupling assembly, wherein, the cloudy connection end include one or
Multiple additional recesses, for placing at least a portion of at least one of instrument suitable for positioning or engagement female connection end.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2015901325 | 2015-04-14 | ||
| AU2015901325A AU2015901325A0 (en) | 2015-04-14 | A Coupling | |
| PCT/AU2016/050268 WO2016164973A1 (en) | 2015-04-14 | 2016-04-12 | A coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107614827A true CN107614827A (en) | 2018-01-19 |
Family
ID=57125476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680022308.3A Pending CN107614827A (en) | 2015-04-14 | 2016-04-12 | Shaft coupling |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20180128058A1 (en) |
| CN (1) | CN107614827A (en) |
| AU (2) | AU2016247573A1 (en) |
| CA (1) | CA2981982A1 (en) |
| WO (1) | WO2016164973A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111442143A (en) * | 2020-04-07 | 2020-07-24 | 中玮建设科技有限公司 | Fixing mechanism for building assembled energy-saving pipe |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017100356A1 (en) * | 2017-01-10 | 2018-07-12 | Gkn Driveline Deutschland Gmbh | shaft connection |
| CN106639905B (en) * | 2017-01-24 | 2018-10-12 | 中国石油天然气集团公司 | Reducing coiled tubing docking facilities and its installation method and reducing oil pipe installation method |
| BR112022000405A2 (en) * | 2019-07-11 | 2022-03-03 | Baker Hughes Oilfield Operations Llc | Anti-rotation coupling for use in a downhole assembly |
| US11371502B2 (en) * | 2019-11-18 | 2022-06-28 | Graco Minnesota Inc. | Sealed drive for connecting progressive cavity pump rotors to universal joints |
| US11162339B2 (en) * | 2020-03-03 | 2021-11-02 | Saudi Arabian Oil Company | Quick connect system for downhole ESP components |
| CN111608595B (en) * | 2020-05-11 | 2024-08-30 | 大庆丹枫石油技术开发有限公司 | Continuous wear-resistant carbon fiber sucker rod |
| US20250084935A1 (en) * | 2021-12-29 | 2025-03-13 | Systems IP Pty Ltd | Universal Connector |
| WO2024207057A1 (en) * | 2023-04-01 | 2024-10-10 | Systems IP Pty Ltd | Universal connector and tube forming |
| CN119062251B (en) * | 2024-11-05 | 2025-01-24 | 山东立鑫石油机械制造有限公司 | A high-strength steel solid sucker rod |
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| US20130146305A1 (en) * | 2009-12-23 | 2013-06-13 | Kenneth Dupal | Drill Pipe Connector and Method |
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- 2016-04-12 AU AU2016247573A patent/AU2016247573A1/en active Pending
- 2016-04-12 CA CA2981982A patent/CA2981982A1/en not_active Abandoned
- 2016-04-12 AU AU2016102441A patent/AU2016102441A4/en not_active Ceased
- 2016-04-12 CN CN201680022308.3A patent/CN107614827A/en active Pending
- 2016-04-12 WO PCT/AU2016/050268 patent/WO2016164973A1/en active Application Filing
- 2016-04-12 US US15/565,405 patent/US20180128058A1/en not_active Abandoned
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| US4534585A (en) * | 1982-12-30 | 1985-08-13 | Mobil Oil Corporation | Pipe joint locking device |
| JPH05280546A (en) * | 1992-04-02 | 1993-10-26 | Kobe Steel Ltd | Shaft coupling structure and shaft mounting/removing device |
| CN1100788A (en) * | 1993-05-12 | 1995-03-29 | 阿吉普公司 | Quick joint for rapid, tight-seal connection of pipes, particularly suitable for petroleum pipes |
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| CN2906034Y (en) * | 2006-06-09 | 2007-05-30 | 刘美英 | Anti-releasing device for sucker rod |
| CN201531409U (en) * | 2009-06-11 | 2010-07-21 | 山东九环石油机械有限公司 | Dedicated ultra-high strength plug-in type pumping rod for screw pumps |
| WO2010142038A1 (en) * | 2009-06-12 | 2010-12-16 | Atlas Copco Thiessen | Drill rod locking assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111442143A (en) * | 2020-04-07 | 2020-07-24 | 中玮建设科技有限公司 | Fixing mechanism for building assembled energy-saving pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016164973A1 (en) | 2016-10-20 |
| US20180128058A1 (en) | 2018-05-10 |
| AU2016102441A4 (en) | 2020-05-14 |
| CA2981982A1 (en) | 2016-10-20 |
| AU2016247573A1 (en) | 2017-11-02 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180119 |
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| RJ01 | Rejection of invention patent application after publication |