CN208152994U - A kind of pumping unit mounting structure and pumping unit - Google Patents
A kind of pumping unit mounting structure and pumping unit Download PDFInfo
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- CN208152994U CN208152994U CN201820604163.4U CN201820604163U CN208152994U CN 208152994 U CN208152994 U CN 208152994U CN 201820604163 U CN201820604163 U CN 201820604163U CN 208152994 U CN208152994 U CN 208152994U
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- support plate
- pumping unit
- mounting structure
- channel steel
- support
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Abstract
The utility model provides a kind of pumping unit mounting structure and pumping unit, belongs to technical field of petroleum machinery.It includes pumping unit ontology, pedestal and para-seismic support, and pedestal has the first support plate and the second support plate, and pumping unit ontology is mounted in the first support plate, is equipped with para-seismic support between the first support plate and the second support plate.The pumping unit, structure are simple and easy to use.
Description
Technical field
The utility model relates to technical field of petroleum machinery, in particular to a kind of pumping unit mounting structure and oil pumping
Machine.
Background technique
Pumping unit is a kind of machinery equipment for exploiting petroleum, is commonly called as " kowtowing machine ", so that petroleum is gone out well by the method for pressurization.
When pumping unit upstroke, oil pipe elastic shrinkage is moved upwards, and mechanical block-relief oil production device is driven to move upwards, and is hit sliding sleeve and is generated
Vibration；Meanwhile positive single-flow valve is closed, variable diameter piston assembly blocks oil when pumping unit down stroke, and oil pipe elastic elongation is downward
Movement drives mechanical block-relief oil production device to move downward, and hits sliding sleeve and generates vibration；Meanwhile reversed check valve part is closed, variable diameter
Piston assembly still blocks oil jacket ring shaped oil passage, so that reversed check valve lower zone is formed higher-pressure region, this movement is again to stratum
Interior oil flow channel generates a kind of reversed impact force.
The pumping unit installation fixation of field use must have horizontal reinforced concrete foundation at present, and ground beneath need to excavate
The solid soil horizon of larger area and the concrete cushion for being backfilling and compacted, making large area.
In the oil wells such as the outlying block oil well in each oil field, evaluation well, hyposmosis well, plan closing well, abandoned well, oil mass itself
Less, pressure difference is small, build-up of fluid is extremely slow, is equipped with fixed pumping unit and mating basis is very uneconomical.For shallower in these oil wells
, involving swab is generally carried out using dredging vehicle；And the deep-well for well depth at 2500 meters or more, it is general to be carried out using " three take out " equipment
Intermittent pumping.For the oil production equipment investment for reducing such oil well, single oil well is not equipped with fixed pumping unit and its installation base
Plinth, and oil recovery is installed by turns in more mouthfuls of oil wells only with a set of pumping unit, so that the installation foundation to pumping unit proposes more
High portable performance requirement.
In oil wells such as the outlying block oil well in each oil field, evaluation well, hyposmosis well, plan closing well, abandoned wells, it is equipped with and fixes
Pumping unit and mating basis.It is equipped with fixed pumping unit and mating basic cost is excessively high, and expend the time, well formation testing to be evaluated
After terminating closing well, pumping unit, which stops taking out, to be caused greatly to waste.
Utility model content
The utility model provides a kind of pumping unit mounting structure, it is intended to solve pumping unit mounting structure in the prior art and deposit
The above problem.
What the utility model embodiment was realized in：
A kind of pumping unit mounting structure, the pumping unit mounting structure include pumping unit ontology, pedestal and para-seismic support,
The pedestal has the first support plate and the second support plate, and the pumping unit ontology is mounted in first support plate, described
The para-seismic support is installed between first support plate and second support plate.
As a kind of optimal technical scheme of the utility model, the para-seismic support includes transverse channel steels, the transverse groove
Steel is removably mounted in second support plate；The both ends of the transverse channel steels are mounted on Buffer Unit, the buffering
Component includes vertical supporting channel steel and multiple skewed horizontal load channel steels, and one end of the vertical supporting channel steel is vertically connected to described
First support plate, the other end are vertically connected to the transverse channel steels, and one end of multiple skewed horizontal load channel steels is angularly
It is connected to first support plate, the other end is angularly connected to the transverse channel steels, one end of the skewed horizontal load channel steel
With the angled setting in one end of the vertical supporting channel steel.
As a kind of optimal technical scheme of the utility model, the skewed horizontal load channel steel is two.
As a kind of optimal technical scheme of the utility model, the Buffer Unit includes multiple Shock resistant anchor bolts and multiple anti-
Connecting elements is shaken, the skewed horizontal load channel steel is hinged by the Shock resistant anchor bolt and first support plate, the antidetonation connection
The both ends of component are connect with the skewed horizontal load channel steel, the transverse channel steels respectively.
As a kind of optimal technical scheme of the utility model, the Buffer Unit includes multiple hexagonal connectors and multiple
Reinforcer, the both ends of the hexagonal connector are connect with first support plate, the vertical supporting channel steel respectively, described to add
Strength device is inserted into the vertical supporting channel steel.
As a kind of optimal technical scheme of the utility model, the Buffer Unit includes multiple mounting legs, the peace
Dress stabilizer blade is mounted in first support plate, and the mounting leg has opposite the first side plate and the second side plate, and described the
It has been rotatably coupled connecting shaft between side plate and second side plate, has rotationally been arranged with connection in the connecting shaft
Ring, the connection ring one end connect with the skewed horizontal load channel steel.
As a kind of optimal technical scheme of the utility model, pacify between first support plate and second support plate
Equipped at least two compressed springs.
It, can between first support plate and second support plate as a kind of optimal technical scheme of the utility model
Multiple sequential like are releasably installed and connect earth lug, the connecting plate and first support plate, second support plate
Between mortise-tenon joint, first support plate, second support plate and multiple connecting plates constitute seal shape.
As a kind of optimal technical scheme of the utility model, multiple universal wheels are installed in second support plate.
A kind of pumping unit, the pumping unit include above-described pumping unit mounting structure.
The utility model has the beneficial effects that：
The utility model provides a kind of pumping unit mounting structure comprising pumping unit ontology, pedestal and para-seismic support；Its
In, since para-seismic support includes transverse channel steels, transverse channel steels are removably mounted in the second support plate；The both ends of transverse channel steels
It is mounted on Buffer Unit, Buffer Unit includes vertical supporting channel steel and multiple skewed horizontal load channel steels, and the one of vertical supporting channel steel
End is vertically connected to the first support plate, and the other end is vertically connected to transverse channel steels, and one end of multiple skewed horizontal load channel steels is in
Angle it is connected to the first support plate, the other end is angularly connected to transverse channel steels, one end of skewed horizontal load channel steel and vertical
The angled setting in one end for supporting channel steel, therefore, when pumping unit is during installing and using, due to each peace of the pumping unit
The unstable solidity of connection between dress component and the phenomenon that will appear some violent shakings or shake, the antidetonation branch as a result,
Transverse channel steels, multiple vertical supporting channel steels and multiple skewed horizontal load channel steels on frame can all be born in the first support plate
The pressure of all directions, so that the pressure in all directions be dispersed, reduction is applied to the first support plate and the second support
Pressure on plate to enhance the shock strength of entire pumping unit, and then can slow down the damaged degree of pumping unit.Meanwhile by
It has been removably installed multiple sequential like between the first support plate and the second support plate and has connected earth lug, connecting plate and first
Mortise-tenon joint between support plate, the second support plate, the first support plate, the second support plate and multiple connecting plates constitute seal shape,
Therefore, multiple connecting plate can further enhance stability of the pumping unit in installation and use process, also, due to even
Mortise-tenon joint between fishplate bar and the first support plate, the second support plate just can will wherein if damaged condition occurs in connecting plate
One piece or muti-piece connecting plate disassemble and replaced so that the installation and removal process of pumping unit is more just
It is prompt.Secondly as being equipped with multiple universal wheels in the second support plate, therefore, which enables to pumping unit
It can easily migrate, and then pumping unit can be carried out to the adjustment of adaptability at a distance from well head, without expending
Huge man power and material, so that installation is with use process enhanced convenience and precisely.
The pumping unit that the utility model obtains by above-mentioned design, the pumping unit is due to installing knot with above-mentioned pumping unit
Structure, therefore it has the characteristics that structure is simply and easy to use.
Detailed description of the invention
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is the structural schematic diagram of the pumping unit mounting structure provided in the utility model embodiment；
Fig. 2 is the pumping unit mounting structure first angle schematic diagram provided in the utility model embodiment；
Fig. 3 is the structural schematic diagram of the para-seismic support provided in the utility model embodiment；
Fig. 4 is the structural schematic diagram of the mounting leg provided in the utility model embodiment.
Icon：1- pumping unit mounting structure；2- pumping unit ontology；3- pedestal；4- para-seismic support；The first support plate of 5-；6-
Second support plate；7- transverse channel steels；8- Buffer Unit；9- vertical supporting channel steel；10- skewed horizontal load channel steel；11- Shock resistant anchor bolt；
12- antidetonation connecting elements；13- hexagonal connector；14- reinforcer；15- mounting leg；The first side plate of 16-；17- second side
Plate；18- connecting plate.
Specific embodiment
It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this
Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below
The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model
Selected embodiment.
In the description of the present invention, it should be understood that indicating position or the term of positional relationship are based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion institute
The element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Right above two features and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is in the second spy
Under sign, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of fisrt feature level
Height is less than second feature.
Embodiment：
A kind of pumping unit is present embodiments provided, which is a kind of machinery equipment for exploiting petroleum, is commonly called as " kowtowing
Machine ", so that petroleum is gone out well by the method for pressurization comprising pumping unit mounting structure 1.
Pumping unit mounting structure 1 includes pumping unit ontology 2, pedestal 3 and para-seismic support 4, pedestal referring to FIG. 1 to FIG. 4,
3 have the first support plate 5 and the second support plate 6, and pumping unit ontology 2 is mounted in the first support plate 5, the first support plate 5 and the
Para-seismic support 4 is installed between two support plates 6.
It should be noted that in the present embodiment, pumping unit by bracket assembly, retarder, crank device, linkage,
The components such as beam travelling supporting, crossbeam assembly, walking beam assembly, horse head assembly, balancing device, polished rod eye, brake gear composition；Wherein,
Retarder is fastened by bolts on the base 3, and preceding, both ends are connect output shaft with crank；For input shaft rear, one end passes through belt
Wheel and joined v-belt are connected with motor shaft, and the other end is equipped with brake hubs；Meanwhile crank device is anti-rotation structure, crank end face is set
It is matched in respect of the flat on boss and crank pin convex shoulder, effectively prevents the rotation of crank-pin, and use spindle nose pressure
The anti-loose structure that plate locks fastening nut, two pieces crank-pin one is left-hand thread, and one is right-hand thread, when installation, from well head
Towards pumping unit, left-hand side fills left hand thread crank-pin in direction, and right-hand side fills right-handed thread crank-pin.Bracket assembly is tight by bolt
Gu two forelegs are connected with pumping unit chassis on chassis, two back legs are connected with retarder pedestal 3, and ladder is welded on bracket and is pacified
There are two stations for dress, use for pumping unit installation, maintenance, maintenance.Polished rod eye is the component that horse head couples with sucker rod, mainly
It is made of upper lower body, intermediate jackscrew, tapered sleeve and wirerope etc., wirerope penetrates tapered sleeve, and is became one with zinc casting, and tapered sleeve will
Bear whole load of pumping unit.And horse head assembly is welded by steel plate group, is suspended on walking beam front end and is driven hanging rope reciprocal above and below
Movement, horse head structure used by this pumping unit are patented technology, when the operations such as well workover, take out the positioning pin on horse head, are not required to
Crane, horse head is close to bracket automatically by self weight, very convenient.It is provided with positioner on walking beam, can compensate for the installation of horse head
Error makes horse head suspension point be directed at well head center, is equipped with chain-wales close to horse head end, is convenient for operator's operation.Beam travelling supporting by
Upper pedestal, lower base, mandrel and bearing composition are supported, two secondary cylindrical roller bearings are symmetrically mounted in the bearing seat of honour, with limit
The left and right play of walking beam processed, while playing righting and swimming beam action, when maintenance, it should check the content of lubricating grease in bearing block.Even
Connector of the bar between crank-pin and crossbeam, upper end are connected by link pin with crossbeam, and lower end is connected with crank-pin.Link pin is adopted
With fastening nut structure, when installation, need that nut is tightened.Crossbeam is the intermediate member that connecting rod is connected with walking beam, and crossbeam is pacified on top
The bearing block of dress when maintenance, should check the content of lubricating grease in bearing block built with a secondary self-aligning roller bearing.It is flat
Weighing apparatus device is reassembled by fixed balance weight and balance-adjustable, is articulated in the rear end of walking beam, it and crank balance component collectively form
Plural equilibrium mode.Fixed balance weight is cast structure, and weight is big, is arrived in pumping unit installation according to hole condition once mounting
Position；Adjustable balancing block lighter in weight, quantity is more, and block number is determined by underground load, can be according to hole condition in the pumping unit course of work
Variation suitably added or reduced, play the role of accurately adjust balance.
Further, in the present embodiment, para-seismic support 4 includes transverse channel steels 7, and transverse channel steels 7 are removably mounted on
In second support plate 6；Meanwhile the both ends of the transverse channel steels 7 are mounted on Buffer Unit 8, Buffer Unit 8 includes vertical supporting slot
Steel 9 and multiple skewed horizontal load channel steels 10, one end of vertical supporting channel steel 9 are vertically connected to the first support plate 5, and the other end is vertical
Ground is connected to transverse channel steels 7, and one end of multiple skewed horizontal load channel steels 10 is angularly connected to the first support plate 5, and the other end is in
Angle it is connected to transverse channel steels 7, one end of skewed horizontal load channel steel 10 and the angled setting in one end of vertical supporting channel steel 9.
Therefore, when pumping unit is during installing and using, due to the connection between each installing component of the pumping unit
Unstable solidity and the phenomenon that will appear some violent shakings or shake, as a result, the transverse channel steels 7 in the para-seismic support 4,
Multiple vertical supporting channel steels 9 and multiple skewed horizontal load channel steels 10 can all bear all directions in the first support plate 5
Pressure reduces the pressure being applied in the first support plate 5 and the second support plate 6 so that the pressure in all directions be dispersed
Power to enhance the shock strength of entire pumping unit, and then can slow down the damaged degree of pumping unit.
Further, in the present embodiment, skewed horizontal load channel steel 10 is two.
Further, in the present embodiment, Buffer Unit 8 includes multiple Shock resistant anchor bolts 11 and multiple antidetonation connecting elements
12, skewed horizontal load channel steel 10 by Shock resistant anchor bolt 11 with the first support plate 5 hingedly, the both ends of antidetonation connecting elements 12 are respectively and tiltedly
It is connected to support channel steel 10, transverse channel steels 7.
Further, in the present embodiment, Buffer Unit 8 includes multiple hexagonal connectors 13 and multiple reinforcers 14,
The both ends of hexagonal connector 13 are connect with the first support plate 5, vertical supporting channel steel 9 respectively, and reinforcer 14 is inserted into vertical supporting
In channel steel 9.
Further, in the present embodiment, Buffer Unit 8 includes multiple mounting legs 15, and mounting leg 15 is mounted on the
In one support plate 5, mounting leg 15 has opposite the first side plate 16 and the second side plate 17, the first side plate 16 and the second side plate 17
Between be rotatably coupled connecting shaft, be rotationally arranged with connection ring in connecting shaft, connection ring ground one end and skewed horizontal load
Channel steel 10 connects.
Further, in the present embodiment, multiple compressed springs are installed between the first support plate 5 and the second support plate 6.
Further, in the present embodiment, it has been removably installed between the first support plate 5 and the second support plate 6 multiple
Sequential like connects earth lug 18, mortise-tenon joint between connecting plate 18 and the first support plate 5, the second support plate 6, the first support plate
5, the second support plate 6 and multiple connecting plates 18 constitute seal shape.
Therefore, multiple connecting plate 18 can further enhance stability of the pumping unit in installation and use process,
Also, due to mortise-tenon joint between connecting plate 18 and the first support plate 5, the second support plate 6, if there are damage feelings in connecting plate 18
When condition, just can one piece therein or muti-piece connecting plate 18 be disassembled and be replaced, so that the installation of pumping unit
It is more convenient with disassembly process.
Further, in the present embodiment, multiple universal wheels are installed in the second support plate 6；Therefore, which installs
Structure 1 enables to pumping unit that can easily migrate, and then pumping unit can be carried out adaptability at a distance from well head
Adjustment, without expending huge man power and material, so that installation and use process enhanced convenience and precisely.
In conclusion the pumping unit obtained by above-mentioned design, the pumping unit is due to installing knot with above-mentioned pumping unit
Structure 1, therefore it has the characteristics that structure is simply and easy to use.Wherein, pumping unit mounting structure 1 includes pumping unit ontology 2, bottom
Seat 3 and para-seismic support 4；Wherein, since para-seismic support 4 includes transverse channel steels 7, transverse channel steels 7 are removably mounted on second
In support plate 6；The both ends of transverse channel steels 7 are mounted on Buffer Unit 8, Buffer Unit 8 include vertical supporting channel steel 9 and it is multiple tiltedly
To support channel steel 10, one end of vertical supporting channel steel 9 is vertically connected to the first support plate 5, and the other end is vertically connected to cross
To channel steel 7, one end of multiple skewed horizontal load channel steels 10 is angularly connected to the first support plate 5, and the other end angularly connects
In transverse channel steels 7, therefore one end of skewed horizontal load channel steel 10 and the angled setting in one end of vertical supporting channel steel 9 work as pumping unit
During installing and using, due to the connection between each installing component of the pumping unit unstable solidity and will appear
The phenomenon that violent shaking or shake, as a result, the transverse channel steels 7 in the para-seismic support 4, multiple vertical supporting channel steels 9 and
Multiple skewed horizontal load channel steels 10 can all bear the pressure of all directions in the first support plate 5, thus by all directions
Pressure dispersed, reduce the pressure that is applied in the first support plate 5 and the second support plate 6, to enhance entire pumping unit
Shock strength, and then the damaged degree of pumping unit can be slowed down.Simultaneously as between the first support plate 5 and the second support plate 6
It has been removably installed multiple sequential like and has connected earth lug 18, between connecting plate 18 and the first support plate 5, the second support plate 6
Mortise-tenon joint, the first support plate 5, the second support plate 6 and multiple connecting plates 18 constitute seal shape, therefore, multiple connecting plate
18 can further enhance stability of the pumping unit in installation and use process, also, due to connecting plate 18 and first
Mortise-tenon joint between fagging 5, the second support plate 6, if there is damaged condition in connecting plate 18, just can by one piece therein or
Person's muti-piece connecting plate 18, which disassembles, to be replaced, so that the installation and removal process of pumping unit is more convenient.Secondly,
Due to being equipped with multiple universal wheels in the second support plate 6, which enables to pumping unit square
Just it migrates, and then pumping unit can be carried out to the adjustment of adaptability at a distance from well head, it is huge without expending
Man power and material, so that installation is with use process enhanced convenience and precisely.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for
For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model
Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of pumping unit mounting structure, which is characterized in that the pumping unit mounting structure include pumping unit ontology, pedestal and
Para-seismic support, the pedestal have the first support plate and the second support plate, and the pumping unit ontology is mounted on first support
On plate, the para-seismic support is installed between first support plate and second support plate.
2. pumping unit mounting structure according to claim 1, which is characterized in that the para-seismic support includes transverse channel steels,
The transverse channel steels are removably mounted in second support plate；The both ends of the transverse channel steels are mounted on buffering group
Part, the Buffer Unit include vertical supporting channel steel and multiple skewed horizontal load channel steels, and one end of the vertical supporting channel steel is vertical
Ground is connected to first support plate, and the other end is vertically connected to the transverse channel steels, multiple skewed horizontal load channel steels
One end is angularly connected to first support plate, and the other end is angularly connected to the transverse channel steels, the oblique branch
Support one end of channel steel and the angled setting in one end of the vertical supporting channel steel.
3. pumping unit mounting structure according to claim 2, which is characterized in that the skewed horizontal load channel steel is two.
4. pumping unit mounting structure according to claim 3, which is characterized in that the Buffer Unit includes multiple antidetonation anchors
Bolt and multiple antidetonation connecting elements, the skewed horizontal load channel steel is hinged by the Shock resistant anchor bolt and first support plate, institute
The both ends for stating antidetonation connecting elements are connect with the skewed horizontal load channel steel, the transverse channel steels respectively.
5. pumping unit mounting structure according to claim 4, which is characterized in that the Buffer Unit includes that multiple hexagonals connect
Connect device and multiple reinforcers, the both ends of the hexagonal connector respectively with first support plate, the vertical supporting channel steel
Connection, the reinforcer are inserted into the vertical supporting channel steel.
6. pumping unit mounting structure according to claim 5, which is characterized in that the Buffer Unit includes multiple installation branch
Foot, the mounting leg are mounted in first support plate, and the mounting leg has opposite the first side plate and second side
Plate has been rotatably coupled connecting shaft, has rotationally covered in the connecting shaft between first side plate and second side plate
Equipped with connection ring, the connection ring one end connect with the skewed horizontal load channel steel.
7. pumping unit mounting structure according to claim 6, which is characterized in that first support plate and second described
At least two compressed springs are installed between fagging.
8. pumping unit mounting structure according to claim 1, which is characterized in that first support plate and described second
It has been removably installed multiple sequential like between fagging and has connected earth lug, it is the connecting plate and first support plate, described
Mortise-tenon joint between second support plate, first support plate, second support plate and multiple connecting plates constitute close
Seal shape.
9. pumping unit mounting structure according to claim 1, which is characterized in that be equipped in second support plate multiple
Universal wheel.
10. a kind of pumping unit, which is characterized in that the pumping unit includes the described in any item pumping unit installations of claim 1-9
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820604163.4U CN208152994U (en) | 2018-04-25 | 2018-04-25 | A kind of pumping unit mounting structure and pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820604163.4U CN208152994U (en) | 2018-04-25 | 2018-04-25 | A kind of pumping unit mounting structure and pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208152994U true CN208152994U (en) | 2018-11-27 |
Family
ID=64376524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820604163.4U Expired - Fee Related CN208152994U (en) | 2018-04-25 | 2018-04-25 | A kind of pumping unit mounting structure and pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208152994U (en) |
-
2018
- 2018-04-25 CN CN201820604163.4U patent/CN208152994U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |