CN110043440A - Balanced type booster pump driving mechanism - Google Patents
Balanced type booster pump driving mechanism Download PDFInfo
- Publication number
- CN110043440A CN110043440A CN201910456645.9A CN201910456645A CN110043440A CN 110043440 A CN110043440 A CN 110043440A CN 201910456645 A CN201910456645 A CN 201910456645A CN 110043440 A CN110043440 A CN 110043440A
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- China
- Prior art keywords
- main shaft
- shaped frame
- shaft part
- bearing
- driving mechanism
- 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.)
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Links
- 239000012530 fluid Substances 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000013011 mating Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/02—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having two cylinders
-
- 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
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention belongs to the technical field of driving of pump, and in particular to a kind of balanced type booster pump driving mechanism, including driving assembly, crankshaft and O-shaped frame；The O-shaped frame is the internal toroidal frame for being equipped with slideway, and crankshaft includes upper main shaft part, intermediate crank throw portion and lower main shaft part, upper main shaft part, the coaxial arrangement of lower main shaft part, intermediate crank throw portion and upper and lower main shaft part eccentric setting；Driving assembly connects the upper main shaft part, and the intermediate crank throw portion is connect by middle part bearing with O-shaped frame；Middle part bearing in intermediate crank throw portion slides in the slideway of O-shaped frame and O-shaped frame is driven to make horizontal direction reciprocating linear motion, and the side of the O-shaped frame is connected to the plunger of side fluid end, and the other side of the O-shaped frame is connected to the plunger of other side fluid end.Present invention only requires overcome plunger two sides can drive plunger motion to supercharging high-pressure water pressure difference, and driving force is smaller, more energy saving.
Description
Technical field
The invention belongs to the technical field of driving of pump, and in particular to a kind of balanced type booster pump driving mechanism.
Background technique
Oil-field flooding is the energy in order to keep oil reservoir, and most oilfields are using large-scale centrifugal multistage pump multiple centrifugal pump or plunger pump at present
It is filled the water by mating pipe network to keep enough strata pressures, since the formation contaminant in the injecting process makes the pressure of part well
Constantly rise, and flood pattern is once established, then is boosted and just be will affect the operation of whole system, to meet this fractional water flooding well
The requirement of pressure is generallyd use such as under type:
The pressure of the mating pipe network of entire high pressure is improved with large-scale centrifugal multistage pump multiple centrifugal pump, this have the consequence that by improving entire pipe network
Pressure meet the injection requirement of this small number of water injection well, the energy expended is huge.
The pressure that water is further increased with reciprocating booster injection pump realizes the injection of these water injection wells.But it is used for the use
The reciprocating booster injection pump on way is conditional, one be pressure difference cannot too small (at least needing 5~8MPa), another is
One boosting water injector for having reciprocating booster injection pump, water, electricity and control instrument etc. are installed near water injection well
Cannot equally it lack, the investment that this mode needs is too big (usual a well just needs nearly 1,000,000 fund).Also useful high pressure is more
Grade centrifugal pump does boosting water injection pump, but high pressure multiple-stage centrifugal pump is not that flow is too big, is exactly that efficiency is too low, the expense needed
Much.
This allows for that user is in a dilemma, too big it will cause investing if meeting the injection requirement of these wells, also inconvenient
Management.So the water filling problem of partial high pressure well is just at a problem to be solved in oil extraction in oil field production.
Summary of the invention
In view of the defect of the prior art, it is opposed double-cylinder that the present invention, which provides a kind of balanced type booster pump driving mechanism,
Structure, it is only necessary to which overcome plunger two sides can drive plunger motion to supercharging high-pressure water pressure difference, and driving force is smaller, more
Energy conservation.
In order to achieve the above objectives, a kind of balanced type booster pump driving mechanism of technical solution provided by the invention comprising drive
Dynamic component, crankshaft and O-shaped frame；The O-shaped frame is the internal toroidal frame for being equipped with slideway, and crankshaft includes upper main shaft part, intermediate crank throw
Portion and lower main shaft part, upper main shaft part, the coaxial arrangement of lower main shaft part, intermediate crank throw portion and upper and lower main shaft part eccentric setting；
Driving assembly connects the upper main shaft part, and the intermediate crank throw portion is connect by middle part bearing with O-shaped frame；Intermediate crank throw portion
On middle part bearing slided in O-shaped frame slideway and O-shaped frame driven to make horizontal direction reciprocating linear motion,
The side of the O-shaped frame is connected to the plunger of side fluid end, and the other side of the O-shaped frame is connected to other side fluid end
Plunger.
It should be noted that specific driving method is, using the longitudinal center plane of pump as benchmark face, intermediate crank throw portion deviates
Benchmark is moved towards side, drives middle part bearing and one side contacts of slideway and O-shaped frame is pushed to move to side；Intermediate crank throw
Portion deviates benchmark and moves towards the other side, drives middle part bearing and another side contacts of the slideway and pushes O-shaped frame to the other side
Movement.
Based on the above-mentioned technical proposal, driving assembly drives crank rotation, and the intermediate crank throw portion in the middle part of crankshaft is with upper and lower main shaft
The axis in portion is center line moving, so that middle part bearing be driven to slide in O-shaped frame slideway, pushes O-shaped frame horizontal direction reciprocal
Formula linear motion, to drive the piston reciprocation movement of O-shaped frame two sides connection, this driving method is more ingenious, simple, movement
Component is less, so that equipment is relatively reliable.
Further, the driving mechanism further includes cabinet, upper bearing, lower bearing；The upper main shaft part runs through case
Cabinet top is fixed on by upper bearing in body top, and lower main shaft part is fixed under cabinet through lower box by lower bearing
Portion.
Based on the above-mentioned technical proposal, crankshaft is connected by upper bearing, lower bearing and cabinet, is arranged in this way so that crankshaft
Slow-roll stabilization promotes mechanism operation more stable.
Further, the fluid end is mounted on the cabinet two sides, and hollow cavity, the O is arranged in cabinet symmetric internal
Type frame is arranged inside hollow cavity, and the intermediate bar of two sides is each passed through the centre being arranged in the opposite two side walls of hollow cavity
Bar slideway, and it is connected to fluid power end plug.
Preferably, bearing upper end cover is arranged in the cabinet top, and the bearing upper end cover is removably fixed in by bolt
Cabinet top, the upper main shaft part are connect by upper bearing with bearing upper end cover.
Further, the slideway includes two cambered ways being oppositely arranged and connects the two sides of two cambered ways
Linear ramp together, the O-shaped frame periphery are approximate ellipsoidal structure.
Based on the above-mentioned technical proposal, the intensity of O-shaped frame greatly improves, so that entire driving mechanism is relatively reliable.
Preferably, the upper main shaft part, intermediate crank throw portion and lower main shaft part are integrally formed.
Further, the O-shaped frame is connected to the plunger of fluid end by intermediate bar, and described intermediate bar one end passes through outer spiral shell
Line is connected in the blind screw hole of O-shaped frame side, and is fixed by pin shaft.
Further, bottom mounting base is arranged in the hollow cavity inside bottom, and the lower main shaft part passes through lower bearing
It is connect with bottom mounting base.
Based on the above-mentioned technical proposal, the fixation that main shaft part under crankshaft is carried out by bottom mounting base promotes mechanism operation more
Add stabilization.
Further, the fluid end includes discharge line, intake line, hydraulic cylinder, valve module and stuffing box；Hydraulic cylinder
Two sides are separately connected discharge line, intake line, hydraulic cylinder bonding pad case, and stuffing box tip inside is equipped with sealing element, plunger
It protrudes into sealing element.Valve group is respectively set in the discharge line access fluid power cylinder position and intake line access fluid power cylinder position
Part.
The driving component includes motor and the retarder that connect with motor, and the output end of the retarder is connected to
Crankshaft.
Based on the above-mentioned technical proposal, crank rotation is driven using motor connection retarder.
The course of work of the invention:
Invention is further explained,
FIt drives=F1- F2=P1× A-P2×A=PDifference×A
Wherein, FIt drivesFor the pressure for driving plunger motion, P1Pressure suffered by plunger for side, P2For the plunger institute of the other side
The pressure being subject to, PDifferenceFor the pressure difference of the plunger of two sides, A is plunger sectional area.
As shown from the above formula, intermediate driving mechanism only need to overcome plunger two sides to supercharging high-pressure water pressure difference just
Plunger motion can be driven, if it is single cylinder-actuated, the pressure that driving mechanism must overcome fluid end can just make plunger motion, phase
It is more energy saving compared with single cylinder structure opposed double-cylinder single-acting structure of the present invention.
Beneficial effects of the present invention: only need to overcome plunger two sides can drive plunger to supercharging high-pressure water pressure difference
Movement, driving force is smaller, more energy saving.
Detailed description of the invention
Fig. 1 is side view of the invention；
Fig. 2 is the G-G cross-sectional view of Fig. 1；
Fig. 3 is structural schematic diagram of the invention；
Fig. 4 is perspective view of the invention；
Fig. 5 is the structural schematic diagram of O-shaped frame；
Fig. 6 is the structural schematic diagram that Fig. 5 is B-B；
Fig. 7 is the structural schematic diagram that Fig. 6 is C-C；
Fig. 8 is the structural schematic diagram of fluid end；
Fig. 9 is the transverse cross-sectional view of O-shaped rack position；
In figure: 1, crankshaft, 1.1, upper main shaft part, 1.2, intermediate crank throw portion, 1.3, lower main shaft part, 2, O-shaped frame, 3, middle part bearing,
4, plunger, 5, intermediate bar, 6, cabinet, 7, upper bearing, 8, lower bearing, 9, hollow cavity, 10, intermediate bar slideway, 11, bearing
Upper end cover, 12, bottom mounting base, 13, discharge line, 14, intake line, 15, hydraulic cylinder, 16, valve module, 17, stuffing box,
18, motor, 19, retarder, 20, fluid end.
Specific embodiment
Embodiment 1
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clearly and completely
Description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
A kind of balanced type booster pump driving mechanism, a kind of balanced type booster pump driving mechanism comprising driving assembly, crankshaft
1 and O-shaped frame 2；The O-shaped frame 2 is the internal toroidal frame for being equipped with slideway, and crankshaft 1 includes upper main shaft part 1.1, intermediate crank throw portion 1.2
And lower main shaft part 1.3, upper main shaft part 1.1, lower main shaft part 1.3 are coaxially disposed, intermediate crank throw portion 1.2 and upper and lower main shaft part are eccentric
Setting；
Driving assembly connects the upper main shaft part 1.1, and the intermediate crank throw portion 1.2 is connect by middle part bearing 3 with O-shaped frame 2；In
Between middle part bearing 3 in crank throw portion 1.2 slided in O-shaped 2 slideway of frame and O-shaped frame 2 driven to make the reciprocating straight line fortune of horizontal direction
It is dynamic；
The side of the O-shaped frame 2 is connected to the plunger of side fluid end 20, and the other side of the O-shaped frame 2 is connected to other side liquid
The plunger 4 at power end 20.
As shown in figure 9, the bearing driving when the crankshaft goes to 9 directions and is rotated in a clockwise direction, on crankshaft 1
The movement of O-shaped frame right direction, until when crankshaft goes to 3 directions, intermediate bar bearing on crankshaft of the O-shaped frame 2 together with two sides
Driving under start turn to and left direction movement, when crankshaft rotates back into 9 directions, pump just complete a duty cycle；
In cycles, the just constantly side-to-side movement of intermediate bar 5 of O-shaped 2 two sides of frame pulls and is arranged on driving mechanism two sides fluid end 20
Plunger suck, movement be discharged.
Further, the driving mechanism further includes cabinet 6, upper bearing 7, lower bearing 8；The upper main shaft part 1.1
6 top of cabinet is fixed on by upper bearing 7 through 6 top of cabinet, lower main shaft part 1.3 passes through lower part axis through 6 lower part of cabinet
It holds 8 and is fixed on 6 lower part of cabinet.
Further, the fluid end 20 is mounted on 6 two sides of cabinet, and hollow cavity 9 is arranged in 6 symmetric internal of cabinet,
The O-shaped frame 2 is arranged inside hollow cavity 9, and the intermediate bar 5 of two sides is each passed through in the opposite two side walls of hollow cavity 9
The intermediate bar slideway 10 of setting, and it is connected to fluid power end plug 4.
Preferably, bearing upper end cover 11 is arranged in 6 top of cabinet, and the bearing upper end cover 11 is detachably solid by bolt
Due to 6 top of cabinet, the upper main shaft part 1.1 is connect by upper bearing 7 with bearing upper end cover 11.
Further, the slideway includes two cambered ways being oppositely arranged and connects the two sides of two cambered ways
Linear ramp together, O-shaped 2 periphery of frame is approximate ellipsoidal structure.
Preferably, the upper main shaft part 1.1, intermediate crank throw portion 1.2 and lower main shaft part 1.3 are integrally formed.
Further, the O-shaped frame 2 is connected to the plunger 4 of fluid end 20 by intermediate bar 5, and described 5 one end of intermediate bar is logical
It crosses external screw thread to be connected in the blind screw hole of O-shaped 2 side of frame, and is fixed by pin shaft.
Further, bottom mounting base 12 is arranged in 9 inside bottom of hollow cavity, under the lower main shaft part 1.3 passes through
Portion's bearing 8 is connect with bottom mounting base 12.
Further, the fluid end 20 includes discharge line 13, intake line 14, hydraulic cylinder 15, valve module 16 and fills out
Hopper 17；15 two sides of hydraulic cylinder are separately connected discharge line 13, intake line 14,15 bonding pad case 17 of hydraulic cylinder, stuffing box
17 tip insides are equipped with sealing element, and plunger 4 protrudes into sealing element, and the discharge line 13 accesses 15 position of hydraulic cylinder and suction line
Road 14 accesses 15 position of hydraulic cylinder and valve module 16 is respectively set.
The driving component includes motor 18 and the retarder connecting with motor 18 19, the output end of the retarder
It is connected to crankshaft.
Based on the above-mentioned technical proposal, driving assembly band dynamic crankshaft 1 rotates, 1.2 or more the intermediate crank throw portion at 1 middle part of crankshaft,
The axis of lower main shaft part is center line moving, passes through 2 side-to-side movement of O-shaped frame that middle part bearing 3 is connect with it to push, thus
The plunger 4 of O-shaped 2 two sides of frame connection is driven to move back and forth, this driving method is more ingenious, simple, and moving component is less, so that
Equipment is relatively reliable.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, this
Field technical staff makes a little simple modification, equivalent variations or modification using the technology contents of the disclosure above, all falls within this hair
In bright protection scope.
Claims (10)
1. balanced type booster pump driving mechanism, it is characterised in that: including driving assembly, crankshaft and O-shaped frame；The O-shaped frame is interior
Portion is equipped with the toroidal frame of slideway, and crankshaft includes that upper main shaft part, intermediate crank throw portion and lower main shaft part, upper main shaft part, lower main shaft part are same
Axis setting, intermediate crank throw portion and upper and lower main shaft part eccentric setting；
Driving assembly connects the upper main shaft part, and the intermediate crank throw portion is connect by middle part bearing with O-shaped frame；
Middle part bearing in intermediate crank throw portion slides in the slideway of O-shaped frame and O-shaped frame is driven to make the reciprocating straight line of horizontal direction
Movement, the side of the O-shaped frame are connected to the plunger of side fluid end, and the other side of the O-shaped frame is connected to other side fluid power
The plunger at end.
2. balanced type booster pump driving mechanism according to claim 1, it is characterised in that: the driving mechanism further includes case
Body, upper bearing and lower bearing；The upper main shaft part is fixed on cabinet top, lower master by upper bearing through cabinet top
Axle portion is fixed on lower box by lower bearing through lower box.
3. balanced type booster pump driving mechanism according to claim 2, it is characterised in that: the O-shaped frame passes through intermediate bar
It is connected to the plunger of fluid end, described intermediate bar one end is connected in the blind screw hole of O-shaped frame side by external screw thread, and is led to
Pin shaft is crossed to fix.
4. the balanced type booster pump driving mechanism according to any one of claim 3, it is characterised in that: the fluid end
The cabinet two sides are mounted on, hollow cavity is arranged in cabinet symmetric internal, and the O-shaped frame is arranged inside hollow cavity, hollow
Intermediate bar slideway is set in the opposite two side walls of cavity, and the intermediate bar of two sides is each passed through the intermediate bar slideway and is connected to
Fluid power end plug.
5. balanced type booster pump driving mechanism according to claim 4, it is characterised in that: the hollow cavity inside bottom
Bottom mounting base is set, and the lower main shaft part is connect by lower bearing with bottom mounting base.
6. the balanced type booster pump driving mechanism according to any one of claim 2-5, it is characterised in that: the cabinet
Bearing upper end cover is arranged in top, and the bearing upper end cover is removably fixed in cabinet top by bolt, and the upper main shaft part is logical
Upper bearing is crossed to connect with bearing upper end cover.
7. balanced type booster pump driving mechanism described in any one of -5 according to claim 1, it is characterised in that: the slideway
It is described O-shaped including two cambered ways being oppositely arranged and the linear ramp that the two sides of two cambered ways link together
Frame periphery is approximate ellipsoidal structure.
8. balanced type booster pump driving mechanism described in any one of -5 or 7 according to claim 1, it is characterised in that: described
Upper main shaft part, intermediate crank throw portion and lower main shaft part are integrally formed.
9. balanced type booster pump driving mechanism described in any one of -5 or 7 according to claim 1, it is characterised in that: described
Fluid end includes discharge line, intake line, hydraulic cylinder, valve module and stuffing box；Hydraulic cylinder two sides be separately connected discharge line,
Intake line, hydraulic cylinder bonding pad case, stuffing box tip inside are equipped with sealing element, and plunger protrudes into sealing element；The discharge
Valve module is respectively set in pipeline access fluid power cylinder position and intake line access fluid power cylinder position.
10. balanced type booster pump driving mechanism described in any one of -5 or 7 according to claim 1, it is characterised in that: described
Driving assembly includes motor and the retarder that connect with motor, and the output end of the retarder is connected to crankshaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910456645.9A CN110043440A (en) | 2019-05-29 | 2019-05-29 | Balanced type booster pump driving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910456645.9A CN110043440A (en) | 2019-05-29 | 2019-05-29 | Balanced type booster pump driving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110043440A true CN110043440A (en) | 2019-07-23 |
Family
ID=67284019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910456645.9A Pending CN110043440A (en) | 2019-05-29 | 2019-05-29 | Balanced type booster pump driving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110043440A (en) |
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| CN106870315A (en) * | 2017-04-05 | 2017-06-20 | 上海申贝泵业制造有限公司 | It is a kind of to be pressurized pump transmission mechanism and the opposed type booster pump using the transmission mechanism |
| CN107387354A (en) * | 2017-08-30 | 2017-11-24 | 德帕姆(杭州)泵业科技有限公司 | Opposed doubly-linked formula reciprocating pump |
| CN107642469A (en) * | 2017-10-27 | 2018-01-30 | 宝鸡航天动力泵业有限公司 | Opposed type linear reciprocating pump drive mechanism |
| CN108035856A (en) * | 2018-01-15 | 2018-05-15 | 长江大学 | A kind of ten cylinder reciprocating pump of opposite opened |
| CN109779871A (en) * | 2019-02-28 | 2019-05-21 | 王湫锂 | A kind of fluid power injection device and application thereof |
| CN210068408U (en) * | 2019-05-29 | 2020-02-14 | 王湫锂 | Balanced booster pump actuating mechanism |
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