CN110107262A - A kind of screw rod pumping unit meeting fluid suction rule - Google Patents
A kind of screw rod pumping unit meeting fluid suction rule Download PDFInfo
- Publication number
- CN110107262A CN110107262A CN201910507053.5A CN201910507053A CN110107262A CN 110107262 A CN110107262 A CN 110107262A CN 201910507053 A CN201910507053 A CN 201910507053A CN 110107262 A CN110107262 A CN 110107262A
- Authority
- CN
- China
- Prior art keywords
- screw
- ball
- rule
- pumping unit
- fluid suction
- 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
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 29
- 238000005086 pumping Methods 0.000 title claims abstract description 21
- 230000033001 locomotion Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
- F04B47/02—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
- F04B47/14—Counterbalancing
Abstract
The invention discloses a kind of screw rod pumping units for meeting fluid suction rule, including rack, ball-screw, motor, balance weight and belt, the rack to be vertically arranged, and is equipped with a deflecting roller at the top of rack；The side of rack is arranged in the ball-screw, and axis is parallel with frame axis；The ball-screw and screw cooperate, and ball-screw rotation drives screw to move up and down, and the screw is fixedly connected with a balance weight, and the balance weight is connected with one end of belt, and the other end of the belt is around the deflecting roller for connecting downhole load；The motor drives the lead screw to aspirate rule movement according to fluid under control of the control system.
Description
Technical field
The present invention relates to a kind of mechanical oil recovery device, in particular to a kind of extracting device of oil for meeting fluid suction rule.
Background technique
Here statement only provides background technique related to the present invention, without inevitably constituting the prior art.
Inventor has found the pumping unit for meeting fluid suction rule that the prior art is not made of ball-screw；In China
Patent document number is that CN203891844U discloses a kind of straight drive ball leading screw driving pumping unit on October 22nd, 2014, and has
Body discloses: including stand upside down be mounted on the magneto on truss top, the thrust bearing of upper and lower ends, cross righting wheel group,
Truss assembly, two root skin bands are moved reciprocatingly by two deflecting roller band dynamic loads.It follows that the straight drive ball wire of the structure
Bar transmission oil pumping machine, by driving motor overhead, center of gravity is too high, and it is more difficult to safeguard；Two root skin bands pass through two deflecting roller band dynamic loads
It moves reciprocatingly and there is a problem of that two root skins are bad with consistency, maintenance is big.
Summary of the invention
To overcome shortcoming in the prior art, the purpose of the present invention is intended to provide a kind of simple and reasonable, performance
Reliably, durable a kind of screw rod pumping unit for meeting fluid suction rule.
A kind of screw rod pumping unit meeting fluid suction rule proposed by the present invention, the technical solution adopted is as follows:
A kind of screw rod pumping unit meeting fluid suction rule, including rack, ball-screw, motor, balance weight and belt,
The rack is vertically arranged, and is equipped with a deflecting roller at the top of rack；The side of rack, axis is arranged in the ball-screw
Line is parallel with frame axis；The ball-screw and screw cooperate, and ball-screw rotation drives screw to move up and down, the silk
Mother is fixedly connected with a balance weight, and the balance weight is connected with one end of belt, and the other end of the belt is around described
Deflecting roller is for connecting downhole load；Lead screw described in the motor driven aspirates rule movement according to fluid.
Further, one end of the ball-screw is provided with a square key, and the ball-screw passes through the square key and institute
The rotor square hole stated is connected, and forms the connection type without axial constraint, the axial stretching of ball-screw is in rotor
In square hole, to eliminate the axial stress generated in ball-screw operational process.
Further, the bottom of ball-screw is arranged in the square key, and the motor is fixed on a pedestal, protects
Demonstrate,prove the stability of whole device.
Further, the rack, ball-screw bottom are each attached on the pedestal.
Further, the rotor square hole is in rotor center, size and ball-screw square key size phase
Cooperation.
Further, guide rail is equipped in the rack, the balance weight can move up and down along the guide rail.
Further, the characteristics of motion of the motor is divided into two strokes, is up stroke and down stroke, up stroke respectively
By accelerating sections, average rate section, equal braking section three parts composition, down stroke is by accelerating sections, average rate section, equal braking section three parts composition.
Working principle of the present invention is as follows:
Controller controls motor and aspirates rule movement according to fluid, that is, the rotor does positive and negative rotation campaign, and motor turns
The rotor square hole opened on son drives ball-screw to do positive and negative rotation campaign by ball-screw square key；It is described to do positive and negative rotation campaign
Ball-screw, the screw that ball-screw is driven do vertical pump；The screw links together with balance weight,
Screw do it is vertical pump with dynamic balance weight do it is vertical pump, one end connection of balance weight and belt
Together, belt passes through deflecting roller, and the other end is linked together by well head and downhole load.Guide rail of the balance weight in rack
It inside pumps, pumps with belt, belt passes through deflecting roller, and downhole load is driven up and down reciprocatingly to transport
It is dynamic.Downhole load moving law meets the speed law of fluid suction, and up stroke is by accelerating sections, average rate section, equal braking section three
It is grouped as, down stroke is made of accelerating sections, average rate section and equal braking section three parts, realizes the oil recovery for meeting fluid suction rule
Mode.
Beneficial effects of the present invention:
1. the present invention controls motor by control system and moves according to the speed for meeting fluid suction rule；
2. single unit system of the invention has, structure is simple, motor is mounted on the base, compared with the existing technology in set
It sets in top, reliable performance.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the whole assembling structure schematic diagram of the present invention；
Fig. 2 is electric machine structure schematic diagram；
Fig. 3 is motor movement rule schematic diagram；
In figure: 1 pedestal, 2 well heads, 3 brackets, 4 belts, 9 deflecting rollers, 6 clump weights, 7 ball-screws, 8 motors, 9 motors are fixed
Son, 10 rotors, 11 square holes.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination；
In order to facilitate narration, if there is "upper", "lower", " left side " " right side " printed words in the present invention, only expression and attached drawing itself
Upper and lower, left and right direction it is consistent, not to structure rise restriction effect, it is only for convenient for description the present invention and simplification retouch
It states, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, and be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
Term explains part: the terms such as term " installation ", " connected ", " connection ", " fixation " in the present invention should do broad sense
Understand, for example, it may be being fixedly connected, may be a detachable connection, or be integrated；It can be mechanical connection, be also possible to
Electrical connection, can be and be directly connected to, and be also possible to indirectly connected through an intermediary, can be connection inside two elements, or
The interaction relationship of two elements of person, for the ordinary skill in the art, can understand as the case may be on
Term is stated in concrete meaning of the invention.As background technique is introduced, straight drive ball leading screw driving in the prior art is taken out
Oil machine, by driving motor overhead, center of gravity is too high, maintenance is more difficult；Two root skin bands do reciprocal fortune by two deflecting roller band dynamic loads
Dynamic to there is a problem of that two root skins are bad with consistency, maintenance is big, and in order to solve technical problem as above, present applicant proposes one
Kind meets the screw rod pumping unit of fluid suction rule.
In a kind of typical embodiment of the application, as shown in Figure 1, the invention discloses one kind to meet fluid suction rule
The screw rod pumping unit of rule, including pedestal 1, well head 2, rack 3, belt 4, deflecting roller 5, balance weight 6, ball-screw 7, motor 8 and
Controller.
Above-mentioned rack 3 is vertically arranged, and is equipped with a deflecting roller 5 at the top of rack 3；The setting of ball-screw 7 exists
The side of rack 3, (being normally at that side opposite with pumpingh well), the axis of ball-screw 7 is parallel with 3 axis of rack；It is described
Ball-screw 7 and a screw cooperate, and the rotation of ball-screw 7 drives screw to move up and down, and the screw is fixedly connected with one
Balance weight 6, the balance weight 6 are connected with one end of belt 4, and the other end of the belt 4 is outstanding around the deflecting roller 5
Sky, as free end for connecting downhole load；The motor drive under control of the control system the lead screw according to
Fluid suction rule movement；Rotor does positive and negative rotation campaign, and the rotor square hole opened on rotor passes through ball-screw
Square key drives ball-screw to do positive and negative rotation campaign；Positive and negative rotation campaign ball-screw is made, the screw that ball-screw 7 is driven is done vertically
Pump.
Specifically, be provided with a square key in one end of the ball-screw 7, the ball-screw 7 by the square key with
The square hole 11 of the rotor 10 is connected, and forms the connection type without axial constraint, and the axial stretching of ball-screw 7 exists
In rotor square hole, to eliminate the axial stress generated in ball-screw operational process.
Rotor square hole is matched in 10 center of rotor, size with ball-screw square key size；The rolling
Ballscrew 7, rotor 10, rotor square hole 11 and ball-screw 7 the center line of square key be vertical axis, and with this
It moves reciprocatingly for vertical axis track.
Preferably, the bottom of ball-screw 7 is arranged in square key, and motor 8 is connect with the bottom of ball-screw 7, the electricity
Machine, rack are fixed on a pedestal 1.
More further, in the rack 3 be equipped with guide rail, the balance weight 6 can be along the guide rail above and below
Movement；Specifically, being equipped with an inner connecting shaft in the side of balance weight 6, thrust bearing, thrust are equipped in the connecting shaft
Bearing and guide rail cooperate, and realize the frictionless motion of balance weight.
The characteristics of motion of motor 8 is divided into two strokes, is up stroke and down stroke respectively, up stroke is by accelerating sections, average rate
Section, equal braking section three parts composition, down stroke is by accelerating sections, average rate section, equal braking section three parts composition；Specifically, referring to figure
3, motor is since bottom dead centre speed is equal to zero, and by equal accelerating sections, average rate section, equal braking section reaches top dead-centre speed and drops to
Zero, complete uplink process；During meeting the screw rod pumping unit downlink of fluid suction rule, it is equal to zero from top dead-centre speed and opens
Begin, by equal accelerating sections, average rate section, equal braking section reaches bottom dead centre speed and drops to zero, completes downlink process.
In particular, motor is under the control system, rotor is run according to velocity variations law curve, and motor turns
Sub- square hole rotation, the square key for being inserted in the ball-screw 7 in rotor square hole are rotated according to velocity variations law curve, ball wire
The square key of thick stick drives ball-screw 7 to correspondingly rotate, and the screw installed on ball-screw 7 is done vertically according to velocity variations rule
Pump, screw links together with balance weight 6, and screw does the vertical band dynamic balance weight 6 that pumps and does
Vertical pumps, and balance weight 6 and one end of belt 4 link together, and belt 4 passes through deflecting roller 5, and the other end is logical
Well head is crossed to link together with downhole load.
Balance weight 6 pumps in the guide rail of rack 3 according to velocity variations rule, past with about 4 belt
Multiple movement, belt 4 pass through deflecting roller 5, drive downhole load to pump according to velocity variations rule, realize and meet
The oil production method of fluid suction rule.
6 one end of deflecting roller is linked together by well head 2 with downhole load, and the other end connects balance weight, used belt 4
It is now widely used approved product, quantity one, high reliablity.
Balance weight pumps in the guide rail of rack 3 according to velocity variations rule, the guide rail and balance of rack
Belong to clearance fit between block, configure corresponding lubricating arrangement, to reduce mill resistance.
Understandable, above-mentioned belt can be replaced by existing chain, and deflecting roller can choose existing roller structure.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (8)
1. a kind of screw rod pumping unit for meeting fluid suction rule, which is characterized in that including rack, ball-screw, motor, balance
Block and belt, the rack are vertically arranged, and are equipped with a deflecting roller at the top of rack；Rack is arranged in the ball-screw
Side, axis are parallel with frame axis；The ball-screw and screw cooperate, and ball-screw rotation drives screw to transport up and down
Dynamic, the screw is fixedly connected with a balance weight, and the balance weight is connected with one end of belt, the other end of the belt
Around the deflecting roller for connecting downhole load；The motor drives the lead screw to press under control of the control system
Rule movement is aspirated according to fluid.
2. meeting the screw rod pumping unit of fluid suction rule as described in claim 1, which is characterized in that the ball-screw
One end is provided with a square key, and the ball-screw is connected by the square key with the rotor square hole, is formed without axial direction
The connection type of constraint.
3. meeting the screw rod pumping unit of fluid suction rule as claimed in claim 2, which is characterized in that the square key setting
In the bottom of ball-screw, the motor is fixed on a pedestal.
4. meeting the screw rod pumping unit of fluid suction rule as claimed in claim 2, which is characterized in that the rack is also solid
It is scheduled on the pedestal.
5. meeting the screw rod pumping unit of fluid suction rule as claimed in claim 2, which is characterized in that the rotor side
Hole is matched in rotor center, size with ball-screw square key size.
6. meeting the screw rod pumping unit of fluid suction rule as described in claim 1, which is characterized in that in the rack
Equipped with guide rail, the balance weight can move up and down along the guide rail.
7. meeting the screw rod pumping unit of fluid suction rule as described in claim 1, which is characterized in that the fortune of the motor
Dynamic rule is divided into two strokes, is up stroke and down stroke respectively, up stroke is by accelerating sections, average rate section, equal braking section three parts
Composition, down stroke is by accelerating sections, average rate section, equal braking section three parts composition；Since bottom dead centre speed is equal to zero, by adding
Fast section, average rate section, equal braking section reach top dead-centre speed and drop to zero, complete uplink process；In the silk for meeting fluid suction rule
During bar pumping unit downlink, since top dead-centre speed is equal to zero, arrived by equal accelerating sections, average rate section, equal braking section (21)
Zero is dropped to up to bottom dead centre speed, completes downlink process.
8. meeting the screw rod pumping unit of fluid suction rule as described in claim 1, which is characterized in that the belt can be by
Chain replaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910507053.5A CN110107262A (en) | 2019-06-12 | 2019-06-12 | A kind of screw rod pumping unit meeting fluid suction rule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910507053.5A CN110107262A (en) | 2019-06-12 | 2019-06-12 | A kind of screw rod pumping unit meeting fluid suction rule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110107262A true CN110107262A (en) | 2019-08-09 |
Family
ID=67494785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910507053.5A Pending CN110107262A (en) | 2019-06-12 | 2019-06-12 | A kind of screw rod pumping unit meeting fluid suction rule |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110107262A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2161504A1 (en) * | 1995-10-26 | 1997-04-27 | Randy Montgomery | Method and Apparatus for Slowing Back Spin of a Rod String of a Progressing Cavity Pump Powered by an Electric Motor When Power is Lost |
| CN2780983Y (en) * | 2005-04-21 | 2006-05-17 | 中国石化胜利油田有限公司孤岛采油厂 | Tower-shape ball screw pumping unit |
| CN101294484A (en) * | 2008-05-21 | 2008-10-29 | 王忠山 | Oil pumping equipment controlled with single stroke machine pump |
| CN202926300U (en) * | 2012-11-17 | 2013-05-08 | 濮阳市信宇石油机械化工有限公司 | Power mechanism of power descending tower pumping unit |
| CN203891844U (en) * | 2014-05-06 | 2014-10-22 | 中国石油大学(华东) | Direct-driven ball screw drive oil pumping unit |
| CN204186554U (en) * | 2014-11-07 | 2015-03-04 | 杜昊 | For the bushing evacuating device of beam pumping unit |
| CN204960898U (en) * | 2015-10-05 | 2016-01-13 | 中国石油大学(华东) | Long stroke beam -pumping unit based on reciprocal lead screw |
| CN204984376U (en) * | 2015-10-05 | 2016-01-20 | 中国石油大学(华东) | Beam -pumping unit based on screw nut |
| CN210152620U (en) * | 2019-06-12 | 2020-03-17 | 中国石化集团胜利石油管理局有限公司电力分公司 | Lead screw pumping unit according with fluid pumping rule |
-
2019
- 2019-06-12 CN CN201910507053.5A patent/CN110107262A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2161504A1 (en) * | 1995-10-26 | 1997-04-27 | Randy Montgomery | Method and Apparatus for Slowing Back Spin of a Rod String of a Progressing Cavity Pump Powered by an Electric Motor When Power is Lost |
| CN2780983Y (en) * | 2005-04-21 | 2006-05-17 | 中国石化胜利油田有限公司孤岛采油厂 | Tower-shape ball screw pumping unit |
| CN101294484A (en) * | 2008-05-21 | 2008-10-29 | 王忠山 | Oil pumping equipment controlled with single stroke machine pump |
| CN202926300U (en) * | 2012-11-17 | 2013-05-08 | 濮阳市信宇石油机械化工有限公司 | Power mechanism of power descending tower pumping unit |
| CN203891844U (en) * | 2014-05-06 | 2014-10-22 | 中国石油大学(华东) | Direct-driven ball screw drive oil pumping unit |
| CN204186554U (en) * | 2014-11-07 | 2015-03-04 | 杜昊 | For the bushing evacuating device of beam pumping unit |
| CN204960898U (en) * | 2015-10-05 | 2016-01-13 | 中国石油大学(华东) | Long stroke beam -pumping unit based on reciprocal lead screw |
| CN204984376U (en) * | 2015-10-05 | 2016-01-20 | 中国石油大学(华东) | Beam -pumping unit based on screw nut |
| CN210152620U (en) * | 2019-06-12 | 2020-03-17 | 中国石化集团胜利石油管理局有限公司电力分公司 | Lead screw pumping unit according with fluid pumping rule |
Non-Patent Citations (2)
| Title |
|---|
| 张树坤, 王百海: "螺旋传动电机换向抽油机的设计", 石油矿场机械, no. 04 * |
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