CN206234248U - It is applied to the crank assembly of beam pumping unit - Google Patents
It is applied to the crank assembly of beam pumping unit Download PDFInfo
- Publication number
- CN206234248U CN206234248U CN201621343987.8U CN201621343987U CN206234248U CN 206234248 U CN206234248 U CN 206234248U CN 201621343987 U CN201621343987 U CN 201621343987U CN 206234248 U CN206234248 U CN 206234248U
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- China
- Prior art keywords
- annular groove
- chimeric block
- pumping unit
- shank
- crank
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- 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.)
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Abstract
The utility model discloses a kind of crank assembly for being applied to beam pumping unit, including crank body and crank pin, the annular groove set in straight notch-like is offered on crank body, the bottom land of annular groove offers the stroke hole for being movably hinged pumping unit connecting bar, crank pin includes shank, the periphery of one end of shank is provided with the chimeric block being adapted to annular groove shape, size, and the one end in shank away from chimeric block passes through stroke hole to the inwall of the side wall laminating annular groove of chimeric block；So that chimeric block is very big with the contact area of annular groove, it is to avoid occur damaging both at the contact point, so as to further avoid the two relative rotation；Whereby, avoid annular groove therefore occur damaging, certainly, it also avoid crank pin therefore occur damaging, regular beam pumping unit is repaired so as to avoid therefore, the relative expense for reducing maintenance, also saves on the time of therefore maintenance, so that relative ensure that oily well yield.
Description
Technical field
The utility model is related to oil exploration equipment technical field, more specifically, it relates to one kind is applied to beam type
The crank assembly of oil pumper.
Background technology
At present, oil extraction in oil field oil pumper majority is beam pumping unit, swims beam pumping unit, also referred to as beam type oil pumping
Machine, beam type crank balanced pumping unit, refer to containing walking beam, are commutated by linkage, the oil pumper of crank weight balance, are commonly called as
Kowtow machine.From oil production method for have bar class oil production equipment (two classes can be divided into from oil production method, that is, have bar class oil production equipment and
Without bar class oil production equipment)；It uses toggle transmitting torque and commutation.Crank-pin is the important connection part on connecting rod
Part；The beam pumping unit by taking CYJY14-5-73HB (the Ji Te cars Co., Ltd of Tianmen City Jiang-Han Area three) as an example, itself and oil pumping
Connecting rod and oil well pump are used cooperatively, and oil pumping connecting rod includes tapered sleeve, crank pin, housing, axle on crank with the connector of crank
Hold, baffle plate etc..Crank pin on crank plus tapered sleeve, crank pin, crank pin band taper, with taper self-locking, tight with nut
Gu taper bolt carrys out fixed crank bearing pin, additionally, being further opened with counterbore on crank, the bottom land of counterbore offers at least one stroke
Hole, stroke hole is sequentially distributed along the length direction of the notch of counterbore, and crank pin is passed through and rushes counterbore.
But, inventor using during beam pumping unit, because crank pin nut fastening force is unstable etc.
Factor, the phenomenon that crank pin abrasion stroke hole (4.2 meters) occurs often, causes counterbore to be used by rounding, causes song
Handle bearing pin partial turn or even crank-pin are loosened, therefore crank need to be changed during maintenance, costly and influence oil well output.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide one kind can effectively solve above-mentioned technology
The crank assembly for being applied to beam pumping unit of problem.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of crank assembly for being applied to beam pumping unit, including crank body and crank pin, open on the crank body
The annular groove set in straight notch-like is provided with, the bottom land of the annular groove offers the stroke for being movably hinged pumping unit connecting bar
Hole, the crank pin includes shank, and the periphery of one end of the shank is provided with embedding with what the annular groove shape, size were adapted to
Block is closed, the one end in the shank away from the chimeric block passes through the equal side wall laminating of the stroke hole to the chimeric block described
The inwall of annular groove.
It is further arranged to：The chimeric block perpendicular to the shank length direction, with the pin in the chimeric block
The section that the central shaft of body is coplanar is set in isosceles trapezoid, the area less end face laminating annular groove in the chimeric block
Bottom land.
It is further arranged to：The larger end face of area maintains an equal level with the outer surface of the annular groove in the chimeric block.
It is further arranged to：Some bar-shaped troughs are offered on the inclined-plane of the chimeric block, on the inwall of the annular groove
Integrated setting several the projection being adapted to is corresponded with the bar-shaped trough；
Or, some bar-shaped troughs are offered on the inwall of the annular groove, integrated setting on the inclined-plane of the chimeric block
There are several that the projection being adapted to is corresponded with the bar-shaped trough.
It is further arranged to：The bar-shaped trough is set to right angle groove.
It is further arranged to：The shank passes through argon arc welding, Laser Welding, soldering, thermofussion welding, electron beam with the chimeric block
Weldering or blast weldering etc. are welded and fixed.
It is further arranged to：The chimeric block and the shank integrated setting.
It is further arranged to：The shank and/or the chimeric block are made by stainless steel material.
It is further arranged to：The shank constitutes detachable being fixedly connected with the chimeric block.
It is further arranged to：The number in the stroke hole is set to three, the stroke hole along the annular groove notch
Length direction be sequentially distributed.
The beneficial effects of the utility model are：By above-mentioned technical proposal, the periphery of one end of the shank is fixed with embedding
Block is closed, the shape of the chimeric block is adapted to the shape of annular groove, size, so when beam pumping unit is assembled, the shank
In fitted the inwall of the annular groove away from the side wall of the one end through the stroke hole to the chimeric block of the chimeric block, this
Sample, after the completion of the beam pumping unit is assembled, chimeric block will be chimeric with annular groove, because the size of chimeric block and annular groove
Shape adaptation, therefore on beam pumping unit after finishing assembly, chimeric block is completely fitted with annular groove, crank body with it is above-mentioned
Crank pin keeps in the circumference of crank pin linkage, it is to avoid the two is relatively rotated；And, so so that chimeric block with
The contact area of annular groove is very big, cause interaction force to be therebetween evenly distributed, it is to avoid because crank pin nut is tight
The factor such as though power is unstable cause a certain contact point interaction force therebetween to become big extremely, so as to avoid in the contact
The two occurs damaging at point, so as to further avoid the two relative rotation；Whereby, it is to avoid therefore annular groove occurs damaging,
Certainly, it also avoid crank pin therefore occur damaging, regular beam pumping unit is carried out so as to avoid therefore
Maintenance, the relative expense for reducing maintenance also saves on the time of therefore maintenance, so that the relative product that ensure that oil well
Amount.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 be the present embodiment 1 in be applied to beam pumping unit crank assembly crank body schematic three dimensional views；
Fig. 2 be the present embodiment 1 in be applied to beam pumping unit crank assembly schematic three dimensional views；
Fig. 3 is the enlarged drawing in A portions in Fig. 2；
Fig. 4 be the present embodiment 2 in be applied to beam pumping unit crank assembly schematic three dimensional views.
In figure：01st, crank body；011st, stroke hole；012nd, annular groove；02nd, shank；021st, chimeric block.
Specific embodiment
To make the purpose of this utility model, technical scheme and advantage clearer, below will be to technology of the present utility model
Scheme is described in detail.Obviously, described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not before creative work is made
Resulting all other implementation method is put, the scope that the utility model is protected is belonged to.
Trip beam pumping unit is still a kind of equipment commonly used in oil field machinery oil at present, generally with sucker rod and
Oil well pump is used cooperatively.Pumping unit connecting bar includes tapered sleeve, crank pin, shell on crank body 01 with the connector of crank body 01
Body, bearing, baffle plate etc..Crank pin adds tapered sleeve, crank pin band taper with taper self-locking, to be fastened with nut and justified on crank
Taper pin carrys out fixed crank bearing pin.Due to the factor such as crank pin nut fastening force is unstable, often result in part crank pin and turn
It is dynamic, and damage crank pin.
Embodiment 1：
According to Fig. 1 to Fig. 2, a kind of crank assembly for being applied to beam pumping unit, it is applied to beam type oil pumping
On machine, and it is used to transmit drive mechanism and oil pumping connecting rod, specifically, it includes crank body 01 and crank pin.
For crank body 01, the annular groove 012 set in straight notch-like is offered on the crank body 01, and, it is described
Crank body 01 is further opened with the axis hole for connecting drive shaft and the stroke hole 011 for being movably hinged pumping unit connecting bar.
For crank pin, it includes shank 02, and above-mentioned crank pin is arranged in the stroke hole 011, i.e. shank 02
It is arranged in the stroke hole 011.
But, inventor using during beam pumping unit, because crank pin nut fastening force is unstable etc.
Factor, the phenomenon that crank pin abrasion stroke hole 011 (4.2 meters) occurs often, causes annular groove 012 to be made by rounding
With, cause crank pin partial turn or even crank pin to loosen, therefore need to change crank body 01 during maintenance, so can not only make
What must be repaired is costly, and, regular maintenance can also take a substantial amount of time, and this can also influence oil well output.
Therefore in the present embodiment, the periphery of one end of the shank 02 is fixed with chimeric block 021, the shape of the chimeric block 021
The shape of shape and annular groove 012, size are adapted to, so when beam pumping unit is assembled, away from described embedding in the shank 02
One end of block 021 is closed to be fitted the inwall of the annular groove 012 through the stroke hole 011 to the side wall of the chimeric block 021,
So, assemble the beam pumping unit after the completion of, chimeric block 021 will be chimeric with annular groove 012 because chimeric block 021 and
The size shape adaptation of annular groove 012, therefore on beam pumping unit after finishing assembly, chimeric block 021 is complete with annular groove 012
Complete chimeric, crank body 01 keeps linkage with above-mentioned crank pin in the circumference of crank pin, it is to avoid the two relative rotation；
And, so so that chimeric block 021 is very big with the contact area of annular groove 012, cause interaction force to be therebetween distributed
Uniformly, it is to avoid cause a certain contact point interaction force therebetween because of the factor such as crank pin nut fastening force is unstable
It is abnormal to become big, so as to occur damaging both avoiding at the contact point, so as to further avoid the two relative rotation；Borrow
This, it is to avoid therefore annular groove 012 occurs damaging, and certainly, it also avoid crank pin therefore occurs damaging, so as to avoid because
This and it is regular beam pumping unit is repaired, the relative expense for reducing maintenance, also save on therefore maintenance
Time so that relative ensure that oily well yield.
In the present embodiment, for chimeric block 021, can also further be configured, the chimeric block 021 is perpendicular to described
The length direction of shank 02, the section coplanar with the central shaft of the shank 02 is set in isosceles trapezoid in the chimeric block 021,
The less end face of area in the chimeric block 021 is located between the larger end face of area and the midpoint of the shank 02, this
The bottom land of the area less end face laminating annular groove 012 in the chimeric block 021 is meant that, i.e. the chimeric block 021 is in
Frustum is set, and, during the less end face of area stretches into annular groove 012 in chimeric block 021, and the larger end face of area deviates from
Annular groove 012；Accordingly, annular groove 012 is also the groove of frustum；Whereby, the crank pin is being installed on crank body 01
When, quickly the shank 02 can be positioned so that crank pin can be more accurately installed on crank body 01, kept away
Exempt from crank pin and displacement occur with crank body 01；In addition, using the taper fit between chimeric block 021 and annular groove 012, i.e.,
Further prevent chimeric block 021 from occurring relatively rotating with annular groove 012 using the taper self-locking of the two, then avoid annular
Therefore groove 012 or shank 02 occur damaging.
Here, for the cooperation of chimeric block 021 and annular groove 012, can further optimize, in chimeric block 021 area compared with
Small end face abuts the bottom land of annular groove 012, the inwall of the side laminating annular groove 012 of chimeric block 021, and chimeric block 021
The larger end face of middle area maintains an equal level with the surface of crank body 01, so so that chimeric block 021 can be supported mutually with stroke hole 011
Connect, whereby, can not only be effectively increased the contact surface with the draw-in groove of stroke hole 011, and so that chimeric block 021 and annular
The smoothness of the crank of the junction of groove 012.
Additionally, further to avoid occurring relatively rotating between chimeric block 021 and annular groove 012, therefore in the present embodiment,
Carry out arranged below：Some bar-shaped troughs are offered on the inclined-plane of the chimeric block 021, one on the inwall of the annular groove 012
Body sets several and the projection being adapted to is corresponded with the bar-shaped trough；
Or, some bar-shaped troughs are offered on the inwall of the annular groove 012, one on the inclined-plane of the chimeric block 021
Body is provided with several and the projection being adapted to is corresponded with the bar-shaped trough；By the raised cooperation with bar-shaped trough, not only may be used
To further increase the conflict area between chimeric block 021 and annular groove 012, cause the interaction force therebetween can be with
More uniform distribution, it is to avoid cause a certain contact point therebetween because of the factor such as crank pin nut fastening force is unstable
Interaction force becomes big extremely, so as to occur damaging both avoiding at the contact point, so as to further avoid the two phase
To rotating；Whereby, it is to avoid therefore annular groove 012 occurs damaging, certainly, it also avoid crank pin therefore occur damaging, from
And avoid therefore and it is regular beam pumping unit is repaired, the relative expense for reducing maintenance, also just save
Therefore time of maintenance, so that relative ensure that oily well yield.
And, the bar-shaped trough is set to right angle groove, therefore projection is also right angle quadrangular, in the present embodiment, thus it is raised
The side abutted with bar-shaped trough is each perpendicular to the torsion of shank 02, is sent out with annular groove 012 so as to further avoid chimeric block 021
It is raw mutually to rotate, whereby, it is to avoid therefore annular groove 012 occurs damaging, and certainly, it also avoid crank pin therefore occurs damaging
Wound, so as to avoid therefore and it is regular beam pumping unit is repaired, the relative expense for reducing maintenance, also
The time of therefore maintenance is saved, so that relative ensure that oily well yield.
For the cooperation between shank 02 and chimeric block 021, in the present embodiment, shank 02 is welded with chimeric block 021, and
And, the shank 02 is welded with the chimeric block 021 by argon arc welding, Laser Welding, soldering, thermofussion welding, electron beam or blast is welded etc.
It is welded and fixed；In the present embodiment, the welding manner between shank 02 and chimeric block 021 is not defined.
In the present embodiment, can also further optimize, the chimeric block 021 and the integrated setting of the shank 02,
So, the bonding strength between chimeric block 021 and shank 02 can further be increased.
And, the shank 02 and/or the chimeric block 021 are made by stainless steel material；Specifically, preferable 310
Stainless steel material.
And, can also carry out arranged below, the shank 02 constitutes detachable being fixedly connected with the chimeric block 021；
So, contribute to more easily to repair or replace shank 02 or chimeric block 021.
The number in the stroke hole 011 is set to three, the length of notch of the stroke hole 011 along the annular groove 012
Degree direction is sequentially distributed, so so that pumping unit connecting bar can be connected from different stroke holes 011 with crank body 01, when certain
When one-stroke hole 011 occurs aging, can very facilitate from other stroke holes 011 to continue pumping operation.
Embodiment 2：
The present embodiment 2 and embodiment 1 only difference is that：According to Fig. 4, in the present embodiment 1, the chimeric block
021 is set in four frustums, and the less end face of area in the chimeric block 021 is located at the larger end face and the shank of area
Midpoint between, and chimeric block 021 occupy that annular groove surrounds the volume in region more than 2/3rds；So so that it is chimeric
Block 021 is very big with the contact area of annular groove 012, cause interaction force to be therebetween evenly distributed, it is to avoid because of crank
The factor such as bearing pin nut fastening force is unstable and cause a certain contact point interaction force therebetween to become big extremely, so as to avoid
Occur damaging both at the contact point, so as to further avoid the two relative rotation；Whereby, it is to avoid annular groove 012
Therefore occur damaging, certainly, it also avoid crank pin therefore occur damaging, it is therefore and regular to walking beam so as to avoid
Formula oil pumper is repaired, the relative expense for reducing maintenance, the time of therefore maintenance is also saved on, so that relative guarantor
Oily well yield is demonstrate,proved.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model is disclosed
Or replace, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with the power
The protection domain that profit is required is defined.
Claims (10)
1. a kind of crank assembly for being applied to beam pumping unit, including crank body (01) and crank pin, the crank body
(01) annular groove (012) set in straight notch-like is offered on, the bottom land of the annular groove (012) is offered for moveable hinge
The stroke hole (011) of pumping unit connecting bar is connect, the crank pin includes shank (02), it is characterized by：The one of the shank (02)
The periphery at end is provided with the chimeric block (021) being adapted to the annular groove (012) shape, size, away from institute in the shank (02)
The side wall of one end of chimeric block (021) through the stroke hole (011) to the chimeric block (021) is stated to fit the annular groove
(012) inwall.
2. the crank assembly for being applied to beam pumping unit according to claim 1, it is characterized by：The chimeric block
(021) it is coplanar with the central shaft of the shank (02) in the chimeric block (021) perpendicular to the length direction of the shank (02)
Section set in isosceles trapezoid, the less end face of area is fitted the groove of the annular groove (012) in the chimeric block (021)
Bottom.
3. the crank assembly for being applied to beam pumping unit according to claim 2, it is characterized by：The chimeric block
(021) the larger end face of area maintains an equal level with the outer surface of the annular groove (012) in.
4. the crank assembly for being applied to beam pumping unit according to any one of claim 1 to 3, it is characterized by：Institute
State and some bar-shaped troughs offered on the inclined-plane of chimeric block (021), the annular groove (012) if inwall on integrated setting have
Dry corresponds the projection being adapted to the bar-shaped trough；
Or, some bar-shaped troughs are offered on the inwall of the annular groove (012), one on the inclined-plane of the chimeric block (021)
Change is provided with several and the projection being adapted to is corresponded with the bar-shaped trough.
5. the crank assembly for being applied to beam pumping unit according to claim 4, it is characterized by：The bar-shaped trough is set to
Right angle groove.
6. the crank assembly for being applied to beam pumping unit according to claim 1, it is characterized by：The shank (02) with
The chimeric block (021) is welded by argon arc welding, Laser Welding, soldering, thermofussion welding, electron beam or weldering etc. of exploding is welded and fixed.
7. the crank assembly for being applied to beam pumping unit according to claim 1, it is characterized by：The chimeric block
(021) with the shank (02) integrated setting.
8. the crank assembly for being applied to beam pumping unit according to claim 1, it is characterized by：The shank (02)
And/or the chimeric block (021) is made by stainless steel material.
9. the crank assembly for being applied to beam pumping unit according to claim 1, it is characterized by：The shank (02) with
The chimeric block (021) constitutes detachable being fixedly connected.
10. the crank assembly for being applied to beam pumping unit according to claim 1, it is characterized by：The stroke hole
(011) number is set to three, and the length direction of notch of the stroke hole (011) along the annular groove (012) divides successively
Cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621343987.8U CN206234248U (en) | 2016-12-08 | 2016-12-08 | It is applied to the crank assembly of beam pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621343987.8U CN206234248U (en) | 2016-12-08 | 2016-12-08 | It is applied to the crank assembly of beam pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206234248U true CN206234248U (en) | 2017-06-09 |
Family
ID=58979196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621343987.8U Active CN206234248U (en) | 2016-12-08 | 2016-12-08 | It is applied to the crank assembly of beam pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206234248U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145540A (en) * | 2020-10-15 | 2020-12-29 | 中国石油天然气股份有限公司 | Flat plate combined crank and crank pin of oil pumping unit |
-
2016
- 2016-12-08 CN CN201621343987.8U patent/CN206234248U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145540A (en) * | 2020-10-15 | 2020-12-29 | 中国石油天然气股份有限公司 | Flat plate combined crank and crank pin of oil pumping unit |
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| TR01 | Transfer of patent right |
Effective date of registration: 20191219 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee after: JINGZHOU OIL PRODUCTION PLANT, JIANGHAN OILFIELD BRANCH OF CHINA PETROLEUM & CHEMICAL CORPORATION Patentee after: China Petrochemical Co., Ltd. Address before: 434020 Jing Road, Jingzhou District, Hubei, Jingzhou Patentee before: JINGZHOU OIL PRODUCTION PLANT, JIANGHAN OILFIELD BRANCH OF CHINA PETROLEUM & CHEMICAL CORPORATION |