CN109595145A - Latent oil reciprocator and its plunger pump system - Google Patents
Latent oil reciprocator and its plunger pump system Download PDFInfo
- Publication number
- CN109595145A CN109595145A CN201811414965.XA CN201811414965A CN109595145A CN 109595145 A CN109595145 A CN 109595145A CN 201811414965 A CN201811414965 A CN 201811414965A CN 109595145 A CN109595145 A CN 109595145A
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- China
- Prior art keywords
- push rod
- plunger
- screw
- plunger pump
- reciprocator
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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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Classifications
-
- 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
- F04B47/12—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps having free plunger lifting the fluid to the surface
-
- 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
- F04B47/06—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps having motor-pump units situated at great depth
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
- F04B53/144—Adaptation of piston-rods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The present invention provides a kind of latent oil reciprocator and its plunger pump system, belong to oil exploitation and water filling equipment technology field, solves the sucker rod of existing pumping unit with pole when transmitting power the technical issues of brought hidden danger.The device includes the lead screw and screw being cooperatively connected, and the both ends of thrust mechanism are fixedly connected with plunger and screw respectively, and lead screw is connect with power mechanism；It further include push rod and rotation preventing mechanism, the both ends of push rod are fixedly connected with screw and plunger respectively, anti-rotation structure and push rod are slidably connected and can prevent push rod radial rotating, when work, the rotation of power mechanism is become axial reciprocating linear motion by movement conversion mechanism, and then plunger pump acting is pushed, well liquid is given rise into ground.Present invention eliminates the sucker rod of plunger pump top multistage connection, sucker rod length limited is avoided, multistage sucker rod is connected the drawbacks such as easily broken de- and inclined shaft eccentric wear, structure is simple, reliable in action.
Description
Technical field
The present invention relates to oil exploitation and water filling equipment technology fields, more particularly, to a kind of latent oil reciprocator and its column
Plug pump pumping system.
Background technique
Domestic and international mechanical oil recovery device is broadly divided into sucker rod pump and rodless pump two major classes, and sucker rod pump refers to using on sucker rod
Lower to move back and forth driven plunger oil-well pump, applied widely, structure is simple, and low cost is easy-maintaining；Rodless pump refers to not
Energy is transmitted with sucker rod, but utilizes the oil well pump of cable or highly pressurised liquid transmitting energy, mostly with the use of electric submersible pump
In the majority, high compared to sucker rod pump revolving speed, discharge capacity is big, but revolving speed is high, is only applicable in and the situation of well liquid abundance, so making no bar
The application range of pump is wide not as good as sucker rod pump, and present is more than that 70% producing well still uses this mechanical oil production model of sucker rod pump.
Currently, pumping unit with pole mainly consists of three parts: first is that ground driving equipment i.e. pumping unit, second is that transmitting is dynamic
The sucker rod of power, three are mounted in the plunger pump of sucker rod lower part, wherein plunger pump mainly includes pump barrel and plunger, pumping unit
The rotary motion of motor is become to pump, and is transmitted to the plungers pump plunger being immersed in oil reservoir by sucker rod,
So that plunger is pumped in pump barrel and then realizes oil pumping.
Applicants have discovered that at least there is following technical problem in the prior art: although sucker rod joint length is longer,
Depth of falling well is still limited for oil well length, and when use need to be connected one by one it with internal screw thread hoop in oil pipe
Come, it is disconnected de- that this occurs that it easily；It is aqueous for well liquid in 75% or more oil field, either inclined shaft or straight well exists partially
Grind phenomenon, scope of application limitation；Pumping unit is placed on the problems such as ground land occupation is big, and there is also noise and maintenance resettlements.
Summary of the invention
The purpose of the present invention is to provide a kind of latent oil reciprocator and its plunger pump system, to solve existing to have bar pumping
The sucker rod of oily device is when transmitting power the technical issues of brought hidden danger.In many technical solutions provided by the invention
Many technical effects elaboration as detailed below that optimal technical scheme can be generated.
To achieve the above object, the present invention provides following technical schemes:
The present invention provides a kind of latent oil reciprocators, including movement conversion mechanism and thrust mechanism, wherein the movement
Switching mechanism includes the lead screw and screw being cooperatively connected, and the both ends of the thrust mechanism are fixed with plunger and the screw respectively to be connected
It connects, the lead screw is connect with power mechanism；
The thrust mechanism includes push rod and rotation preventing mechanism, the both ends of the push rod respectively with the screw and the column
Plug is fixedly connected, and the anti-rotation structure and the push rod are slidably connected and can prevent the push rod radial rotating, when work, institute
Stating movement conversion mechanism becomes axial reciprocating linear motion for the rotation of the power mechanism, and then pushes plunger pump acting, will
Well liquid gives rise to ground.
Preferably, the rotation preventing mechanism includes shell and locating part, the movement conversion mechanism and the thrust mechanism
It is set in the shell, the locating part is fixed on the shell, is provided on the push rod and is slided with the locating part
The slipping part of connection, the slipping part move back and forth the push rod only in the axial direction with locating part cooperation sliding.
Preferably, the locating part is rotating prevention sleeve, and the push rod is connected with the rotating prevention sleeve spline.
Preferably, the axial length of the spline is equal with the axial length of the push rod.
Preferably, further include buffer gear, the buffer gear include the first buffer part and the second buffer part, described first
Buffer part is set between the push rod and the pump barrel of plunger pump, second buffer part be set to the power mechanism with it is described
Between screw.
Preferably, one end of first buffer part is fixedly connected with the push rod, the other end of first buffer part
For free end；One end of second buffer part is fixedly connected with the lower end of the screw, the other end of second buffer part
For free end.
The present invention provides a kind of plunger pump systems, including the latent oil reciprocator.
Preferably, including two-way thrust section and pedestal, the both ends of the two-way thrust section respectively with the latent oil reciprocating engine
Structure is connected with one end of the pedestal, and the other end of the pedestal is connect with the power mechanism, and the lead screw protrudes into described double
Into thrust section, the two-way thrust section limits the axial movement of the lead screw.
Preferably, the two-way thrust section is two oppositely arranged tapered roller bearings.
Preferably, further include plunger pump, wherein the plunger pump include pump barrel and the plunger that is set in the pump barrel and
Sucker rod, the both ends of the sucker rod are fixedly connected with the push rod and the plunger respectively, the reciprocating motion band of the push rod
The plunger is moved to move in pump barrel.
A kind of latent oil reciprocator provided by the invention, it is by movement conversion mechanism and thrust mechanism, power mechanism is defeated
Well liquid is given rise to ground by straight reciprocating motion needed for rotary motion out is converted into plunger pump, eliminates plunger pump top
The sucker rod of multistage connection avoids sucker rod length limited, multistage sucker rod is connected the drawbacks such as easily broken de- and inclined shaft eccentric wear；Fortune
Manual converting mechanism is lead screw and screw, and structure is simple, reliable in action.
Detailed description of the invention
It, below will be to institute in description of the prior art in order to illustrate more clearly of the present invention or technical solution in the prior art
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only the embodiment of the present invention, right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is the structural schematic diagram of latent oil reciprocator of the present invention；
Fig. 2 is the structural schematic diagram of plunger pump system of the present invention；
1, pedestal in figure；2, two-way thrust section；3, the second buffer part；4, lead screw；5, shell；6, screw；7, push rod；8, prevent
Pivoted housing；9, the first buffer part；10, sucker rod；11, plunger；12, pump barrel.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
In the description of the present invention, it is to be understood that, term " center ", " lateral ", " length ", " width ", " height ",
The instructions such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " side "
Orientation or positional relationship is to be merely for convenience of description of the present invention and simplification of the description based on orientation or positional relationship shown in FIG. 1,
Rather than the equipment or element of indication or suggestion meaning must have a particular orientation, is constructed and operated in a specific orientation, because
This is not considered as limiting the invention.
As shown in Figure 1, the present invention provides a kind of latent oil reciprocator, movement conversion mechanism and thrust mechanism, wherein fortune
Manual converting mechanism includes the lead screw 4 and screw 6 being cooperatively connected, and the both ends of thrust mechanism are fixed with plunger 11 and screw 6 respectively to be connected
It connects, lead screw 4 is connect with power mechanism；
Thrust mechanism includes push rod 7 and rotation preventing mechanism, and the both ends of push rod 7 are fixedly connected with screw 6 and plunger 11 respectively,
Anti-rotation structure and push rod 7 are slidably connected and can prevent 7 radial rotating of push rod, and when work, movement conversion mechanism is by power mechanism
Rotation become axial reciprocating linear motion, and then push plunger pump acting, well liquid is given rise into ground.
Signified power mechanism of the invention is submersible motor, compact-sized, moisture-proof leakproof；Lead screw 4 is ball-screw, screw
Weld together again after being threadedly coupled between 6 and push rod 7, fixation is stronger；Power mechanism drives lead screw 4 to rotate, and screw 6 is arranged
It on lead screw 4, and is moved up and down with the rotation of lead screw 4, there are the radial directions of itself to turn when moving back and forth on lead screw 4 for screw 6
Dynamic and move along two kinds of axial movement of lead screw 4, lead screw 4 is fixedly connected by thrust mechanism with plunger 11, and limits the diameter of screw 6
To rotation, screw 6 is made to drive thrust mechanism that plunger pump is pushed to move axially in reciprocal fashion acting.
By movement conversion mechanism and thrust mechanism, convert the rotary motion that power mechanism exports to needed for plunger pump
Well liquid is given rise to ground by straight reciprocating motion, eliminates the sucker rod of plunger pump top multistage connection, it is long to avoid sucker rod
The drawbacks such as easily broken de- and inclined shaft eccentric wear that degree is limited, multistage sucker rod is connected；Movement conversion mechanism is lead screw 4 and screw 6, structure letter
It is single, reliable in action.
As optional embodiment, rotation preventing mechanism includes shell 5 and locating part, movement conversion mechanism and thrust mechanism
It is set in shell 5, locating part is fixed on shell 5, and the slipping part being slidably connected with locating part is provided on push rod 7, is slid
Portion moves back and forth push rod 7 only in the axial direction with locating part cooperation sliding.
Specifically, locating part can be the protrusion being set on shell 5, the specific structure of protrusion and the shape of convex block can not be done
Limitation, slipping part is the axial notch being arranged on push rod 5, and such structure can be such that push rod 5 slides only in the axial direction；Shell 5 was both protected
Movement conversion mechanism and thrust mechanism have been protected, the effect for connecting other mechanisms is also acted as.
Preferably, locating part is rotating prevention sleeve 8, and push rod 7 is connected with 8 spline of rotating prevention sleeve.Wherein, rotating prevention sleeve 8 is fixed on shell 5
On, while being sheathed on push rod 7, it is provided with external splines on push rod 7, internal spline is provided on rotating prevention sleeve 8, the two can be slided relatively
Dynamic, such structure, uniform force, guiding performance is good, and contact area is big, can bear biggish load.
Preferably, the axial length of spline is equal with the axial length of push rod 7, it is ensured that push rod 7 is in axial maximum
Movement travel, more conducively plunger 11 acting.
It further include buffer gear as optional embodiment, buffer gear includes the first buffer part 9 and the second buffer part
3, the first buffer part 9 is set between push rod 7 and the pump barrel 12 of plunger pump, and the second buffer part 3 is set to power mechanism and screw 6
Between.
Specifically, buffer part can be spring, number of springs is more, and preferably two, the first buffer part 9 is set to push rod
Between 7 and pump barrel 12, the impact of the extreme position push rod 7 and pump barrel 12 in reciprocating motion can avoid, the second buffer part 3 is set to
Between power mechanism and screw 6, avoid in the extreme position screw 6 of reciprocating motion and rushing for two-way 2 connecting end surface of thrust section
It hits, in entire movement travel, buffer part plays buffering, and moving component component adjacent thereto is avoided to damage due to impacting excessive
Bad effect.
Preferably, one end of the first buffer part 9 is fixedly connected with push rod 7, and the other end of the first buffer part 9 is free end；
One end of second buffer part 3 is fixedly connected with the lower end of screw 6, and the other end of the second buffer part 3 is free end.
The fixed free fixed form in one end in one end is set by buffer part, not only plays buffer function, but also do not influence entire
The working efficiency of system, save the cost avoid entire row when the fixed drawback for needing spring too long in both ends and fixed both ends
The drawbacks of there is the elastic force opposite with the direction of motion in Cheng Jun, reduce mechanical efficiency.
As shown in Fig. 2, the present invention provides a kind of plunger pump system, including above-mentioned latent oil reciprocator, well head,
Face does not have the moving components such as sucker rod, and structure is simple, without noise pollution, realize sucker rod pump without bar, by power mechanism
It is set to underground, plunger pump is directly driven in underground and shortens transmission chain, greatly improve system effectiveness, energy-saving effect is significant.
As optional embodiment, including two-way thrust section 2 and pedestal 1, the both ends of two-way thrust section 2 respectively with latent oil
Reciprocator connects with one end of pedestal 1, and the other end of pedestal 1 is connect with power mechanism, and lead screw 4 protrudes into two-way thrust section 2,
Two-way thrust section 2 limits the axial movement of lead screw 4.
Wherein, pump barrel 12 is fixedly connected with the upper end of shell 5, and the lower end of shell 5 is fixedly connected with two-way thrust section 2, silk
Two-way thrust section 2 is protruded into the lower end of thick stick 4, and pedestal 1 is fixedly connected with the flange of submersible motor, and the output shaft of submersible motor passes through connection
Axis device is connect with the lower end of lead screw 4.The setting of two-way thrust section 2, eliminates thrust pipe nipple, assumes responsibility for two-way axial force, and
To the radial righting of lead screw 4.
Preferably, two-way thrust section 2 is two oppositely arranged tapered roller bearings, and rolling element is roller, specially
33009 tapered roller bearings, tapered roller bearing large carrying capacity, limit speed is low, and the two is oppositely arranged, assumes responsibility for two-way
Axial force, and to the radial righting of lead screw 4；Rolling element is that cylindrical body contact area is big, and bearing capacity is strong.
It further include plunger pump as optional embodiment, wherein plunger pump includes pump barrel 12 and is set in pump barrel
Plunger 11 and sucker rod 10, the both ends of sucker rod 10 are fixedly connected with push rod 7 and plunger 11 respectively, the reciprocating motion band of push rod 7
Dynamic plunger 11 moves in pump barrel 12.
Specifically, being connected between push rod 7 and sucker rod 10 by reducer union；Push rod 7, sucker rod 10 and plunger 11 are successively
The reciprocating motion of screw 6 is transmitted to plunger 11 and done work by connection, is realized movement conversion with simple mechanical structure and is done work, moves
Make reliable, transmission efficiency height, while only being connect with single sucker rod 10 with plunger 11, the sucker rod for avoiding multistage connection is brought
Hidden danger.
The present invention by simple reversing mechanism realize plunger pump without bar, avoid the sucker rod bands of more connections
The various hidden danger come；Well head, ground structure are simple, without moving component, noiseless pollution, and maintenance management convenience, safety；On ground
Face can realize remote measurement and control by intelligent control, and stroke, jig frequency can be adjusted adaptively, reduce the workload of labor management.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of latent oil reciprocator, which is characterized in that including movement conversion mechanism and thrust mechanism, wherein the movement turns
Structure of changing planes includes the lead screw and screw being cooperatively connected, and the both ends of the thrust mechanism are fixed with plunger and the screw respectively to be connected
It connects, the lead screw is connect with power mechanism；
The thrust mechanism includes push rod and rotation preventing mechanism, and the both ends of the push rod are solid with the screw and the plunger respectively
Fixed connection, the anti-rotation structure and the push rod are slidably connected and can prevent the push rod radial rotating, when work, the fortune
The rotation of the power mechanism is become axial reciprocating linear motion by manual converting mechanism, and then pushes plunger pump acting, by well liquid
Give rise to ground.
2. a kind of latent oil reciprocator according to claim 1, which is characterized in that the rotation preventing mechanism include shell and
Locating part, the movement conversion mechanism and the thrust mechanism are set in the shell, and the locating part is fixed on the shell
On body, the slipping part being slidably connected with the locating part is provided on the push rod, the slipping part and the locating part cooperate
Sliding moves back and forth the push rod only in the axial direction.
3. a kind of latent oil reciprocator according to claim 2, which is characterized in that the locating part is rotating prevention sleeve, described
Push rod is connected with the rotating prevention sleeve spline.
4. a kind of latent oil reciprocator according to claim 3, which is characterized in that the axial length of the spline with it is described
The axial length of push rod is equal.
5. a kind of latent oil reciprocator according to claim 1, which is characterized in that it further include buffer gear, the buffering
Mechanism includes the first buffer part and the second buffer part, first buffer part be set to the push rod and plunger pump pump barrel it
Between, second buffer part is set between the power mechanism and the screw.
6. a kind of latent oil reciprocator according to claim 5, which is characterized in that one end of first buffer part and institute
It states push rod to be fixedly connected, the other end of first buffer part is free end；One end of second buffer part and the screw
Lower end be fixedly connected, the other end of second buffer part is free end.
7. a kind of plunger pump system, which is characterized in that including any latent oil reciprocator of claim 1-6.
8. a kind of plunger pump system according to claim 7, which is characterized in that including two-way thrust section and pedestal, institute
The both ends for stating two-way thrust section are connect with one end of the latent oil reciprocator and the pedestal respectively, the other end of the pedestal
It is connect with the power mechanism, the lead screw protrudes into the two-way thrust section, and the two-way thrust section limits the lead screw
Axial movement.
9. a kind of plunger pump system according to claim 8, which is characterized in that the two-way thrust section is two reversed
The tapered roller bearing of setting.
10. a kind of plunger pump system according to claim 8, which is characterized in that further include plunger pump, wherein described
Plunger pump includes pump barrel and the plunger and sucker rod that are set in the pump barrel, the both ends of the sucker rod respectively with the push rod
It is fixedly connected with the plunger, the reciprocating motion of the push rod drives the plunger to move in pump barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811414965.XA CN109595145A (en) | 2018-11-26 | 2018-11-26 | Latent oil reciprocator and its plunger pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811414965.XA CN109595145A (en) | 2018-11-26 | 2018-11-26 | Latent oil reciprocator and its plunger pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109595145A true CN109595145A (en) | 2019-04-09 |
Family
ID=65958977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811414965.XA Pending CN109595145A (en) | 2018-11-26 | 2018-11-26 | Latent oil reciprocator and its plunger pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109595145A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869119A (en) * | 2019-04-22 | 2019-06-11 | 山东泽元石油机械有限公司 | A kind of extracting device of oil |
| CN110714906A (en) * | 2019-10-28 | 2020-01-21 | 西南石油大学 | Screw rod drive is oil jack in pit |
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| CN105201799A (en) * | 2014-09-09 | 2015-12-30 | 赵锡寰 | Submerged oil pump unit provided with downhole drive conversion device |
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| CN2883730Y (en) * | 2005-08-19 | 2007-03-28 | 西南石油学院 | Linear dynamo oil-well pump |
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Application publication date: 20190409 |
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