CN107013433B - A kind of integral type water-oil phase pump - Google Patents
A kind of integral type water-oil phase pump Download PDFInfo
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- CN107013433B CN107013433B CN201710217349.4A CN201710217349A CN107013433B CN 107013433 B CN107013433 B CN 107013433B CN 201710217349 A CN201710217349 A CN 201710217349A CN 107013433 B CN107013433 B CN 107013433B
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- pump case
- oil
- pump
- plunger
- end cap
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- 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
- F04B23/00—Pumping installations or systems
- F04B23/04—Combinations of two or more pumps
- F04B23/08—Combinations of two or more pumps the pumps being of different types
- F04B23/10—Combinations of two or more pumps the pumps being of different types at least one pump being of the reciprocating positive-displacement type
- F04B23/106—Combinations of two or more pumps the pumps being of different types at least one pump being of the reciprocating positive-displacement type being an axial piston pump
-
- 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
- F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
- F04B13/02—Pumps specially modified to deliver fixed or variable measured quantities of two or more fluids at the same time
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- 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
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The present invention discloses a kind of integral type water-oil phase pump, including pump case, sliding-vane pump build-up member, plunger pump build-up member, shaft and cyclic annular flow nozzle, wherein：The pump case includes the first pump case, the second pump case and the third pump case set gradually along the axis direction of shaft；The sliding-vane pump build-up member is set in the second pump case, and the plunger pump build-up member is set in third pump case.The present invention gathers together two single-stage pumps by the same power drive, it is easier to ensure that two single-stage pumps work at the same time, and compact-sized, simplify the connection and sealing of pipeline, be conducive to the popularization and application of grease annular flow conveying method.
Description
Technical field
The present invention relates to a kind of hydraulic pump, specially a kind of integral type water-oil phase pump.
Background technology
Water-oil phase pump is composed of two single-stage pump housings, can effectively be realized two kinds of fluid, water liquid while be exported
Pump, especially liquid-liquid conveying method play an important role.China's viscous crude resource-intensive, but the big characteristic of viscosity of thickened oil makes
Serious pressure drop is caused in direct transportational process, reduces conevying efficiency.Currently, the grease annular flow conveying method used can realize drop
The purpose of glutinous drag reduction.General grease annular flow method generally uses two single-stage pumps, and annular flow is socketed on by sealings such as hoses
The fuel inlet fitting of nozzle and water supply connector realize that pendular ring transports.Its existing deficiency is：1, two single-stage pumps be must assure that
Operation simultaneously will be unable to realize and be transported using thin fluid is around-France if the problems such as leakage, damage occurs in one of single-stage pump
It is defeated, increase the risk to go wrong；2, since two single-stage pumps are independent separates, type selecting and operation to all kinds of pumps,
And nozzle design, pipe joint encapsulation process have strict requirements, increase the difficulty that method is conveyed using grease annular flow.
Invention content
The purpose of the present invention is to overcome the deficiency in the prior art, provides a kind of integral type water-oil phase pump, the water-oil phase
Pump gathers together two single-stage pumps by the same power drive, it is easier to ensure that two single-stage pumps work at the same time, and tie
Structure is compact, simplifies the connection and sealing of pipeline, is conducive to the popularization and application of grease annular flow conveying method.
The purpose of the present invention is achieved through the following technical solutions：
A kind of integral type water-oil phase pump, including pump case, sliding-vane pump build-up member, plunger pump build-up member, shaft and
Cyclic annular flow nozzle, wherein：
The pump case includes the first pump case, the second pump case and the third pump set gradually along the axis direction of shaft
Shell, wherein the sliding-vane pump build-up member is set in the second pump case, and the plunger pump build-up member is set to third pump case
It is interior；
The sliding-vane pump build-up member includes rotor assembly, stator, oil inlet end cap and oil extraction end cap, wherein the rotor
Component includes rotor and blade, and the rotor is the cylinder for being circumferentially evenly distributed with multiple blade grooves, each
One blade is set in blade groove；The stator is the hollow object with oval-shaped cavity；The rotor is set to the interior of stator
Intracavitary forms two gradual change types broad in the middle small in ends into fuel-displaced between the cylindrical surface of rotor and the oval-shaped cavity wall surface of stator
Space, along the rotation direction of rotor, each into fuel-displaced space be divided into oil inlet space that space becomes larger and space by
The small oil extraction space of gradual change；The oil inlet end cap and oil extraction end cap are separately positioned on the both ends of rotor assembly, wherein the oil inlet
The oil inlet being connected to the oil inlet space is equipped in end cap, the oil extraction end cap is equipped with the row being connected to the oil extraction space
Hydraulic fluid port；The oil inlet passage being connected to the oil inlet that oil inlet end covers is equipped in second pump case, first pump case is equipped with
The oil drain passage being connected to the oil discharge outlet on oil extraction end cap；
The plunger pump build-up member includes liquor preparation disk, cylinder body, plunger assembly, plunger chuck, swash plate and chuck positioning
Mechanism, wherein multiple plunger cavitys are circumferentially equipped on the cylinder body, the bottom of each plunger cavity, which is equipped with, runs through cylinder
The liquid in-out of body is open；The plunger assembly includes bulb plunger and piston shoes, wherein in bulb plunger with bulb one end with
Piston shoes are connected by spherical surface, the plunger cavity cooperation of the other end and cylinder body；The plunger chuck is tightly attached on the inclined-plane of swash plate, should
It is circumferentially equipped with multiple through-holes on plunger chuck, a piston shoes are accommodated in each through-hole；The chuck detent mechanism packet
Including spring, spring stand and steel ball, wherein described spring stand one end is extend into the Blind locating holes for being located at shaft end,
The other end is connect equipped with spherical surface recess with the steel ball, and the spring is set in the Blind locating holes, spring one end effect
On spring stand, the other end acts on Blind locating holes bottom, and the center of the plunger chuck is equipped with location at spherical surface recess, the bullet
The elastic force of spring promotes steel ball to be pressed in location at spherical surface recess；The liquor preparation disk is arranged in cylinder body one close to liquid in-out opening
End, the liquor preparation disk are equipped with inlet and leakage fluid dram in a circumferential direction, wherein along the rotation direction of cylinder body, the feed liquor
Mouth is located at and is gradually distance from the inclined-plane of swash plate cylinder part corresponding position, and the leakage fluid dram is located at gradually to be leaned on the inclined-plane of swash plate
Nearly cylinder part corresponding position, the inlet and leakage fluid dram with liquid in-out open communication；Be equipped in second pump case with
The feed pathway of the inlet connection of liquid disk, and the apocenosis passage that is connected to equipped with the leakage fluid dram with liquor preparation disk；
The ring-type flow nozzle includes nozzle housing and flowline, wherein nozzle housing is set to the first pump case and the
The top of two pump cases, the nozzle housing is interior to be equipped with liquid flow cavity, and the flowline is set in liquid flow cavity, the outer wall of flowline
The runner gap of annular is formed between the inner wall of liquid flow cavity；The nozzle housing is equipped with connection flowline and the oil extraction
The fluid import in channel, and the flow inlet equipped with connection runner gap and apocenosis passage；
The shaft sequentially passes through oil extraction end cap, rotor, oil inlet end cap and cylinder body, and is connect with rotor and cylinder body.
Preferably, the oil inlet passage of second pump case includes positioned at the axial fuel inlet area of bottom and top, positioned at centre
Annular oil inlet area and connection annular oil inlet area and axial fuel inlet area transition oil inlet area, wherein be located at bottom it is axial into
It is connected with fuel inlet fitting at oily area；The axial fuel inlet area of the bottom and top is located at and the oil inlet corresponding position of oil inlet end cap
Radial outside, the axial fuel inlet area are connected to axially across oil inlet end cap and stator with the another side of stator.When work, oil
Liquid enters the axial fuel inlet area of bottom from the pipeline being connect with fuel inlet fitting, and is entered by annular oil inlet area and transition oil inlet area
To the axial fuel inlet area at top, the fluid in axial fuel inlet area can both enter oil inlet sky from the oil inlet of oil inlet end cap
Between, the other side that can also be opposite with oil inlet end cap from stator enters oil inlet space, to accelerate the admission velocity of fluid.
Preferably, the feed pathway of second pump case and apocenosis passage, which are combined, constitutes "eight" shape structure,
In, the inlet portion of feed pathway is equipped with water supply connector."eight" shape structure feed pathway and apocenosis passage are set so that feed liquor is logical
The extending direction of road and apocenosis passage inside the second pump case just has axial direction also to have radial direction, convenient for setting feed pathway
Entrance and apocenosis passage outlet so that the structure of the second pump case is compacter, volume smaller.
Preferably, annular interconnecting piece, the oil inlet end cap are being equipped with annular oil inlet area corresponding position in second pump case
It is equipped with axial interconnecting piece in one end towards plunger pump build-up member, which is connected to annular connection by sealing ring
In portion, to realize fixation and sealing of the oil inlet end cap in the second pump case.
The preferred embodiment of the present invention, one end far from stator is equipped in the oil extraction end cap is connected to oil discharge outlet
Annular oil extraction transition region；Oil drain passage on first pump case include the annular oil extraction area docked with annular oil extraction transition region with
And the vertical oil extraction area being connect with annular oil extraction area, the vertical oil extraction area and the fluid inlet communication in nozzle housing.In this way,
The fluid being discharged from the oil discharge outlet of oil extraction end cap reaches rapidly vertical oil extraction after annular oil extraction transition region and annular oil extraction area
The flow resistance in area, fluid is small, and path is short.
Preferably, one end far from stator is equipped with axial linkage section in the oil extraction end cap, and first pump case is in axis
It is equipped with annular linkage section to linkage section corresponding position, the axial direction linkage section is connected to by sealing ring in annular linkage section；It is described
The periphery of oil extraction end cap coordinates with the inner wall of the first pump case and the second pump case respectively, and in the periphery of oil extraction end cap and first
At the inner wall cooperation of pump case, and in the inner wall three remittance of the periphery of oil extraction end cap, the inner wall of the first pump case and the second pump case
Sealing ring is equipped at conjunction.Fixation of the oil extraction end cap in the first pump case and the second pump case has been achieved, and has allowed annular oil extraction
It crosses around area and annular oil extraction area and is sealed.
Preferably, it is equipped with bearing in first pump case, the outer end of the first pump case is equipped with first end cover, in the first end cover
Equipped with bushing, the shaft sequentially passes through first end cover, bushing and bearing, and is fixedly connected with the inner ring of bearing；Described
It is bolted together between one end cap and the first pump case and between the first pump case and the second pump case.
Preferably, the periphery of the cylinder body is equipped with annular locating tab, and the interior intracavitary of the third pump case, which is equipped with, to be sleeved on
Cylinder sleeve outside cylinder body；The outer end of the third pump case is equipped with second end cover, which is fixed by bolt and third pump case
Connection；The annular locating tab side of the cylinder body is bonded with the end face of third pump case inner cavity, and the other side is bonded with one end of cylinder sleeve,
The other end of cylinder sleeve is bonded with the inner end of second end cover, to realize cylinder body in axial positioning.
Preferably, positioning pin, positioning when in order to assemble are equipped between the second end cover and swash plate.
Preferably, it is bolted to connection together between second pump case and third pump case；The liquor preparation disk is set
It sets between the end face of the second pump case and the end face of cylinder body；Between second pump case and third pump case and the second pump case
Sealing ring is equipped between end face and the end face of cylinder body.
The preferred embodiment of the present invention, wherein the flowline is the hollow circuit cylinder pipeline of variable diameters, including successively
The oil inlet section of connection, variable diameters section and fuel-displaced section, wherein the diameter of oil inlet section is less than fuel-displaced section of diameter, along fluid
The diameter of conveying direction, variable diameters section gradually increases.Using the flowline of this spline structure, it on the one hand can buffer and stablize
Speed oil；On the other hand fuel-displaced fluid flow can be increased.
Preferably, the top of first pump case is equipped with the delivery connection being connected to oil drain passage, second pump case
Top is equipped with the water outlet connector being connected to apocenosis passage, and the bottom of the nozzle housing is equipped with to be connected with delivery connection and water outlet connector
The oil out port and water outlet mouthpiece connect divides between the delivery connection and oil out port and between water outlet connector and water outlet mouthpiece
Not She You sealing ring, to realize the sealed connection of nozzle housing and the first pump case, the second pump case；The nozzle housing is in annular
Runner gap outlet end at be equipped with the pipe joint that is connect with conveyance conduit.
The operation principle of integral type water-oil phase of the present invention pump is：
When the integral type water-oil phase pump operation of the present invention, two kinds of liquid can be realized while be supplied.First to oil product into
Liquid, discharge opeing process are described：Shaft starts to rotate, and oil inlet passage forms low-pressure system, and oil product is drawn into oil inlet from fuel tank and leads to
Road, the inner surface that the blade being plugged in the blade groove of rotor is tightly attached to stator under the action of shaft centrifugal force slide, wherein
Adjacent blades, oil inlet end cap, oil extraction end cap and stator inner cavity wall surface form the seal chamber for accommodating fluid, when blade arrives
Up to stator oval shape inner cavity semi-minor axis corresponding position when, blade is retracted by the compressing of bore of stator wall surface into blade groove, sealing
The volume of chamber is gradually reduced, and when blade reaches the major semiaxis corresponding position of stator oval shape inner cavity, blade is in centrifugation force effect
Under stretched out from inside to outside in blade groove so that the volume of seal chamber gradually increases；Specifically, when seal chamber reaches and oil inlet space
When corresponding position, due to shaft drive rotor high speed rotation so that peritrochanteric formed negative pressure, fluid pass through oil inlet end cap in into
Hydraulic fluid port is pumped into seal chamber, this is oil-absorbing process；When seal chamber is reached with oil extraction space corresponding position, since volume gradually subtracts
It is small, it is discharged to oil drain passage from the oil discharge outlet of oil extraction end cap to squeeze fluid, this is oil extraction process.
Then the feed liquor of flow, discharge opeing process are described：When shaft drives cylinder body rotary motion, bulb plunger
It rotates together, while driving plunger chuck also to rotate together by piston shoes, under the action of chuck detent mechanism, plunger chuck exists
It is fitted on the inclined-plane of swash plate always in rotation process；Spherical surface connecting structure between bulb plunger and piston shoes makes bulb plunger
Always piston shoes and the rotation of plunger chuck are followed by；It is gradually distance from cylinder part pair when bulb plunger moves in the inclined-plane with swash plate
When should locate, the volume of the plunger cavity of cylinder body gradually increases, since shaft drives cylinder body rotary motion so that plunger cavity generates
Local decompression, feed pathway, the inlet of liquor preparation disk and liquid in-out opening cylinder body on of the water through the second pump case enter column
Cavity is filled in, this is feed liquor process；When bulb plunger, which moves in the inclined-plane with swash plate, moves closer to cylinder part corresponding position, cylinder
The volume of the plunger cavity of body tapers into, and to squeeze the water in plunger cavity, water is open through the liquid in-out on cylinder body, matches liquid
The apocenosis passage of the leakage fluid dram of disk and the second pump case is discharged, this is discharge opeing process.
Under the power drive of the same shaft, sliding-vane pump build-up member and plunger pump build-up member are worked at the same time fluid
It is delivered to respectively in cyclic annular flow nozzle with water, wherein fluid enters flowline through the fluid import in nozzle housing, and water is then
Enter the runner gap of annular through flow inlet, the flow of the annular finally sprayed from the runner gap of annular is wrapped up from flowline
The fluid that road sprays, to form the conveying of grease annular flow.
The present invention has advantageous effect below compared with prior art：
1, it drives sliding-vane pump build-up member and plunger pump build-up member to work at the same time by using the same shaft, can keep away
The case where exempting to lead to not work due to one of single-stage pump goes wrong occurs during the work time to reduce hydraulic pump
Failure and the risk to stop operation.
2, it is integrated in pump case by cyclic annular flow nozzle, because without the threaded connection between pipe joint and pumping hole, greatly
Simplify operating process greatly, at the same avoid liquid corroded in long-term transport tube wall, pipeline breaking, oil liquid leakage it is harmful existing
As.
3, in practical applications, the transporting rate of viscous crude is greater than flow rate.Based on the rational design to pump body structure,
The present invention can make viscous crude and flow rate of water flow tend to a reasonable ratio, and that realizes flow package oil phase stablizes output, and flowline
Road is knockdown pieces, and the area of passage of water-oil phase can be further controlled by changing the array of sizes of flowline, that is, is influenced
The relative discharge of viscous crude and flow stablizes grease speed ratio, greatly improves the stability and transfer efficiency of grease cyclic form.
4, the two-stage (two-speed) pump for the integral type that the present invention uses, compact-sized, rationally distributed, easy to operate, overall cost is relatively low,
It is particularly suitable for the big liquid-liquid transportation applications of the liquid viscosities such as oil product.
Description of the drawings
Fig. 1 is the schematic structural cross-sectional view of integral type water-oil phase of the present invention pump；
Fig. 2 is the schematic cross-sectional view of the sliding-vane pump build-up member in Fig. 1；
Fig. 3 is the schematic cross-sectional view of the plunger pump build-up member in Fig. 1；
Fig. 4 is the half section schematic of the oil extraction end cap in Fig. 1
Fig. 5 is the schematic cross-sectional view of the oil inlet end cap in Fig. 1；
Fig. 6 is the schematic cross-sectional view of the first pump case in Fig. 1；
Fig. 7 is the schematic cross-sectional view of the second pump case in Fig. 1；
Fig. 8 is the schematic cross-sectional view of the third pump case in Fig. 1；
Fig. 9 is the schematic cross-sectional view of the first end cover in Fig. 1；
Figure 10 is the schematic cross-sectional view of the cyclic annular flow nozzle in Fig. 1.
Specific implementation mode
It is right with reference to the accompanying drawings and examples in order to make those skilled in the art more fully understand technical scheme of the present invention
The present invention is further expalined, but the present embodiment is not to be taken as limitation of the invention.
Referring to Fig. 1-Figure 10, a kind of integral type water-oil phase pump in the present embodiment, including pump case, sliding-vane pump department of assembly
Part, plunger pump build-up member, shaft 5 and cyclic annular flow nozzle 4.
The pump case includes the first pump case 1, the second pump case 2 and the third set gradually along the axis direction of shaft 5
Pump case 3, wherein the sliding-vane pump build-up member is set in the second pump case 2, and the plunger pump build-up member is set to third pump
In shell 3.
The sliding-vane pump build-up member includes rotor assembly, stator 17, oil inlet end cap 10 and oil extraction end cap 9, wherein described
Rotor assembly includes rotor 16 and blade 16-1, and the rotor 16 is circumferentially to be evenly distributed with multiple blade grooves
The cylinder of 16-2, each blade groove 16-2 is interior to be arranged a blade 16-1；The stator 17 is the sky with oval-shaped cavity
Central member；The rotor 16 is set to the interior intracavitary of stator 17, the cylindrical surface of rotor 16 and the oval-shaped cavity wall surface of stator 17 it
Between formed two gradual change types broad in the middle small in ends into fuel-displaced space 16-3, along the rotation direction of rotor 16, each into fuel-displaced
Space 16-3 is divided into the gradually smaller oil extraction space in the oil inlet space that space becomes larger and space；The oil inlet end cap 10
The both ends of rotor assembly are separately positioned on oil extraction end cap 9, wherein be equipped in the oil inlet end cap 10 and connect with the oil inlet space
Logical oil inlet 10-1, the oil extraction end cap 9 are equipped with the oil discharge outlet 9-1 being connected to the oil extraction space；Second pump case 2
It is interior equipped with the oil inlet passage being connected to the oil inlet 10-1 on oil inlet end cap 10, first pump case 1 is equipped with and oil extraction end cap 9
On oil discharge outlet 9-1 connection oil drain passage.
The plunger pump build-up member include liquor preparation disk 15, cylinder body 11, plunger assembly, plunger chuck 13, swash plate 14 and
Chuck detent mechanism, wherein multiple plunger cavity 11-1, each plunger cavity are circumferentially equipped on the cylinder body 11
The bottom of 11-1 is equipped with the liquid in-out opening 11-2 through cylinder body 11；The plunger assembly includes bulb plunger 12 and piston shoes 19,
Wherein, one end with bulb is connect with piston shoes 19 by spherical surface in bulb plunger 12, the plunger cavity of the other end and cylinder body 11
11-1 coordinates；The plunger chuck 13 is tightly attached on the inclined-plane of swash plate 14, is circumferentially equipped on the plunger chuck 13 more
A through-hole, each through-hole is interior to accommodate a piston shoes 19；The chuck detent mechanism includes spring 20, spring stand 23 and steel ball
22, wherein 23 one end of the spring stand is extend into the Blind locating holes for being located at 5 end of shaft, and the other end is equipped with spherical surface recess
It being connect with the steel ball 22, the spring 20 is set in the Blind locating holes, which acts on spring stand 23,
The other end acts on Blind locating holes bottom, and the center of the plunger chuck 13 is equipped with location at spherical surface recess, the bullet of the spring 20
Making every effort to promote makes steel ball 22 be pressed in location at spherical surface recess；The liquor preparation disk 15 is arranged in cylinder body 11 close to liquid in-out opening 11-2
One end, the liquor preparation disk 15 in a circumferential direction be equipped with inlet 15-1 and leakage fluid dram 15-2, wherein along cylinder body 11 turn
Dynamic direction, the inlet 15-1 are located at and are gradually distance from 11 part corresponding position of cylinder body, the leakage fluid dram in the inclined-plane of swash plate 14
15-2 is located at and moves closer to 11 part corresponding position of cylinder body in the inclined-plane of swash plate 14, and the inlet 15-1 and leakage fluid dram 15-2 are equal
It is connected to liquid in-out opening 11-2；The feed pathway 2- being connected to the inlet 15-1 of liquor preparation disk 15 is equipped in second pump case
5, and the apocenosis passage 2-6 that is connected to equipped with the leakage fluid dram 15-2 with liquor preparation disk 15.
The ring-type flow nozzle 4 includes nozzle housing 4-1 and flowline 4-2, wherein nozzle housing 4-1 is set to the
The top of one pump case 1 and the second pump case 2, nozzle housing 4-1 is interior to be equipped with liquid flow cavity, and the flowline 4-2 is set to liquid stream
Intracavitary forms the runner gap 4-3 of annular between the outer wall of flowline 4-2 and the inner wall of liquid flow cavity；The nozzle housing 4-1
It is equipped with the fluid import 4-4 of connection flowline 4-2 and the oil drain passage, and equipped with connection runner gap 4-3 and row
The flow inlet 4-5 of liquid channel 2-6.
The shaft 5 sequentially passes through oil extraction end cap 9, rotor 16, oil inlet end cap 10 and cylinder body 11, and with rotor 16 and cylinder
Body 11 connects.
Referring to Fig. 1 and Fig. 7, the oil inlet passage of second pump case 2 includes the axial fuel inlet area 2- positioned at bottom and top
1, positioned at the transition oil inlet area 2-3 of intermediate annular oil inlet area 2-2 and connection annular oil inlet area 2-2 and axial fuel inlet area 2-1,
Wherein, it is connected with fuel inlet fitting 2-4 at the axial fuel inlet area 2-1 of bottom；The axial fuel inlet area 2-1 of the bottom and top
Radial outside positioned at the corresponding positions oil inlet 10-1 with oil inlet end cap 10, axial fuel inlet area 2-1 is axially across oil inlet end
Lid 10 and stator 17, are connected to the another side of stator 17.When work, fluid enters from the pipeline being connect with fuel inlet fitting 2-4
The axial fuel inlet area 2-1 of bottom, and by annular oil inlet area 2-2 and transition oil inlet area 2-3 enter top axial fuel inlet area
2-1, the fluid in axial fuel inlet area 2-1 both can enter oil inlet space from the oil inlet 10-1 of oil inlet end cap 10, also might be used
Enter oil inlet space with opposite with oil inlet end cap 10 other side from stator 17, to accelerate the admission velocity of fluid.
Referring to Fig. 1 and Fig. 7, the feed pathway 2-5 and apocenosis passage 2-6 of second pump case 2 combine composition
"eight" shape structure, wherein the inlet portion of feed pathway 2-5 is equipped with water supply connector 2-7."eight" shape structure feed pathway is set
2-5 and apocenosis passage 2-6 so that extending directions of the feed pathway 2-5 and apocenosis passage 2-6 inside the second pump case 2 just has axis
Also there is radial direction to direction, convenient for the outlet of the entrance and apocenosis passage 2-6 of setting feed pathway 2-5 so that the second pump case 2
Structure it is compacter, volume smaller.
Referring to Fig. 1, Fig. 5 and Fig. 7, annular interconnecting piece is being equipped with the annular oil inlet area corresponding positions 2-2 in second pump case 2
2-8, the oil inlet end cap 10 are equipped with axial interconnecting piece 10-2, the axial direction interconnecting piece in one end towards plunger pump build-up member
10-2 is connected to by sealing ring 8 in annular interconnecting piece 2-8, to realize fixation of the oil inlet end cap 10 in the second pump case 2 with
Sealing.
Referring to Fig. 1, Fig. 4, Fig. 6 and Figure 10, one end far from stator 17 in the oil extraction end cap 9 is equipped with and oil discharge outlet 9-
The annular oil extraction transition region 9-2 of 1 connection；Oil drain passage on first pump case 1 includes being docked with annular oil extraction transition region 9-2
Annular oil extraction area 1-1 and the vertical oil extraction area 1-2 that is connect with annular oil extraction area 1-1, the vertical oil extraction area 1-2 and nozzle
Fluid import 4-4 connections in shell 4-1.In this way, the fluid being discharged from the oil discharge outlet 9-1 of oil extraction end cap 9 is by annular oil extraction
After transition region 9-2 and annular oil extraction area 1-1, vertical oil extraction area 1-2 is reached rapidly, the flow resistance of fluid is small, and path is short.
Referring to Fig. 1, Fig. 4 and Fig. 6, one end far from stator 17 is equipped with axial linkage section 9-3 in the oil extraction end cap 9,
First pump case 1 passes through sealing in the corresponding positions axial linkage section 9-3 equipped with annular linkage section 1-3, the axial direction linkage section 9-3
Circle 8 is connected in annular linkage section 1-3；The periphery of the oil extraction end cap 9 respectively in the first pump case 1 and the second pump case 2
Wall coordinates, and at the inner wall cooperation of the periphery of oil extraction end cap 9 and the first pump case 1, and oil extraction end cap 9 periphery,
Inner wall three's meet of the inner wall of first pump case 1 and the second pump case 2 is equipped with sealing ring 8.Oil extraction end cap 9 has been achieved
Fixation in one pump case 1 and the second pump case 2, and allow around annular oil extraction transition region 9-2 and annular oil extraction area 1-1 obtain it is close
Envelope.
Referring to Fig. 1, Fig. 6 and Fig. 9, bearing 1-4 is equipped in first pump case 1, the outer end of the first pump case 1 is equipped with first end
Lid 6, the first end cover 6 is interior to be equipped with bushing 6-1, and the shaft 5 sequentially passes through first end cover 6, bushing 6-1 and bearing 1-4, and
It is fixedly connected with the inner ring of bearing 1-4；Between the first end cover 6 and the first pump case 1 and the first pump case 1 and the second pump case 2
Between linked together by bolt 7.
Referring to Fig. 1 and Fig. 3, the periphery of the cylinder body 11 is equipped with annular locating tab 11-3, the third pump case 3 it is interior
Intracavitary is equipped with the cylinder sleeve 3-1 being sleeved on outside cylinder body 11；The outer end of the third pump case 3 is equipped with second end cover 18, the second end cover 18
It is fixedly connected with third pump case 3 by bolt 7；The sides annular locating tab 11-3 of the cylinder body 11 and 3 inner cavity of third pump case
End face is bonded, and the other side is bonded with one end of cylinder sleeve 3-1, and the other end of cylinder sleeve 3-1 is bonded with the inner end of second end cover 18, to
Realize cylinder body 11 in axial positioning.
Referring to Fig. 1, positioning pin 21, positioning when in order to assemble are equipped between the second end cover 18 and swash plate 14.
Referring to Fig. 1 and Fig. 3, it is fixed together by bolt 7 between second pump case 2 and third pump case 3；It is described
Liquor preparation disk 15 is arranged between the end face of the second pump case 2 and the end face of cylinder body 11；Second pump case 2 and third pump case 3 it
Between and the end face and the end face of cylinder body 11 of the second pump case 2 between be equipped with sealing ring 8.
Referring to Fig. 1 and Figure 10, the flowline 4-2 be variable diameters hollow circuit cylinder pipeline, including it is sequentially connected into
Oily section 4-6, variable diameters section 4-7 and fuel-displaced section of 4-8, wherein the diameter of oil inlet section 4-6 is less than the diameter of fuel-displaced section of 4-8, along
The diameter of the conveying direction of fluid, variable diameters section 4-7 gradually increases.It, on the one hand can be with using the flowline 4-2 of this spline structure
Buffering and stable Extraction rate；On the other hand fuel-displaced fluid flow can be increased.
Referring to Fig. 1, Fig. 6, Fig. 7 and Figure 10, the top of first pump case 1 is equipped with the delivery connection being connected to oil drain passage
1-5, the top of second pump case 2 are equipped with the water outlet connector 2-9 being connected to apocenosis passage 2-6, the bottom of the nozzle housing 4-1
Portion is equipped with and delivery connection 1-5 and water outlet connector 2-9 the oil out port 4-9 connecting and water outlet mouthpiece 4-10, the delivery connection
Sealing ring 8 is respectively equipped between 1-5 and oil out port 4-9 and between water outlet connector 2-9 and water outlet mouthpiece 4-10, to realize
The sealed connection of nozzle housing 4-1 and the first pump case 1, the second pump case 2；Runner gap 4-3s of the nozzle housing 4-1 in annular
Outlet end at be equipped with the pipe joint that is connect with conveyance conduit.
Referring to Fig. 1-Figure 10, the operation principle of the integral type water-oil phase pump in the present embodiment is：
When integral type water-oil phase pump operation, two kinds of liquid can be realized while be supplied.First to the feed liquor of oil product, drain
Process is described：Shaft 5 starts to rotate, and oil inlet passage forms low-pressure system, and oil product is drawn into oil inlet passage, grafting from fuel tank
The inner surface that blade 16-1 in the blade groove 16-2 of rotor 16 is tightly attached to stator 17 under the action of 5 centrifugal force of shaft is slided
Row, wherein adjacent blades 16-1, oil inlet end cap 10, oil extraction end cap 9 and stator 17 inner cavity wall surface formed for accommodating fluid
Seal chamber, when blade 16-1 reaches the semi-minor axis corresponding position of 17 oval-shaped cavity of stator, blade 16-1 is by 17 inner cavity of stator
The compressing of wall surface is retracted into blade groove 16-2, and the volume of seal chamber is gradually reduced, and when blade 16-1 reaches 17 ellipse of stator
When the major semiaxis corresponding position of shape inner cavity, blade 16-1 is stretched out in blade groove 16-2 from inside to outside under the action of the centrifugal force so that sealing
The volume of chamber gradually increases；Specifically, when seal chamber is in arrival and oil inlet space corresponding position, since shaft 5 drives rotor 16
High speed rotation so that 16 surrounding of rotor forms negative pressure, and the oil inlet 10-1 that fluid passes through in oil inlet end cap 10 is pumped into sealing
Chamber, this is oil-absorbing process；When seal chamber is reached with oil extraction space corresponding position, since volume is gradually reduced, to squeeze fluid
It is discharged to oil drain passage from the oil discharge outlet 9-1 of oil extraction end cap 9, this is oil extraction process.
Then the feed liquor of flow, discharge opeing process are described：When shaft 5 drives 11 rotary motion of cylinder body, ball head column
Plug 12 also rotates together, while driving plunger chuck 13 also to rotate together by piston shoes 19, under the action of chuck detent mechanism,
Plunger chuck 13 is fitted in rotation process on the inclined-plane of swash plate 14 always；Spherical surface between bulb plunger 12 and piston shoes 19 connects
Binding structure so that bulb plunger 12 is followed by piston shoes 19 always and plunger chuck 13 rotates；When bulb plunger 12 moves to and swash plate
When being gradually distance from 11 part corresponding position of cylinder body in 14 inclined-plane, the volume of the plunger cavity 11-1 of cylinder body 11 gradually increases, due to
Shaft 5 drives 11 rotary motion of cylinder body so that plunger cavity 11-1 generates local decompression, feed pathway of the water through the second pump case 2
2-5, the inlet 15-1 of liquor preparation disk 15 and on cylinder body 11 liquid in-out opening 11-2 enter plunger cavity 11-1, this be into
Liquid process；When bulb plunger 12 is moved to 11 part corresponding position of cylinder body is moved closer in the inclined-plane of swash plate 14, cylinder body 11
The volume of plunger cavity 11-1 tapers into, and to squeeze the water in plunger cavity 11-1, water is opened through the liquid in-out on cylinder body 11
The apocenosis passage 2-6 discharges of mouth 11-2, the leakage fluid dram 15-2 of liquor preparation disk 15 and the second pump case 2, this is discharge opeing process.
Under the power drive of the same shaft 5, sliding-vane pump build-up member and plunger pump build-up member work at the same time will be oily
Liquid and water are delivered to respectively in cyclic annular flow nozzle 4, wherein fluid enters flowline through the fluid import 4-4 in nozzle housing 4-1
Road 4-2, and water then enters the runner gap 4-3 of annular through flow inlet 4-5, is finally sprayed from the runner gap 4-3 of annular
The fluid that the flow package of annular is sprayed from flowline 4-2, it is defeated to form grease annular flow.
Above-mentioned is the preferable embodiment of the present invention, but embodiments of the present invention are not limited by the foregoing content,
He it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications, should be
The substitute mode of effect, is included within the scope of the present invention.
Claims (10)
1. a kind of integral type water-oil phase pump, which is characterized in that including pump case, sliding-vane pump build-up member, plunger pump build-up member,
Shaft and cyclic annular flow nozzle, wherein：
The pump case includes the first pump case, the second pump case and the third pump case set gradually along the axis direction of shaft,
In, the sliding-vane pump build-up member is set in the second pump case, and the plunger pump build-up member is set in third pump case；
The sliding-vane pump build-up member includes rotor assembly, stator, oil inlet end cap and oil extraction end cap, wherein the rotor assembly
Including rotor and blade, the rotor is the cylinder for being circumferentially evenly distributed with multiple blade grooves, each blade
One blade is set in slot；The stator is the hollow object with oval-shaped cavity；The rotor is set to the interior intracavitary of stator,
Two gradual change types broad in the middle small in ends are formed between the cylindrical surface of rotor and the oval-shaped cavity wall surface of stator into fuel-displaced space,
Along the rotation direction of rotor, each oil inlet space that space becomes larger is divided into fuel-displaced space and space tapers into
Oil extraction space；The oil inlet end cap and oil extraction end cap are separately positioned on the both ends of rotor assembly, wherein in the oil inlet end cap
Equipped with the oil inlet being connected to the oil inlet space, the oil extraction end cap is equipped with the oil discharge outlet being connected to the oil extraction space；
The oil inlet passage being connected to the oil inlet that oil inlet end covers is equipped in second pump case, first pump case is equipped with and oil extraction
The oil drain passage of oil discharge outlet connection on end cap；
The plunger pump build-up member includes liquor preparation disk, cylinder body, plunger assembly, plunger chuck, swash plate and chuck detent mechanism,
Wherein, multiple plunger cavitys are circumferentially equipped on the cylinder body, the bottom of each plunger cavity is equipped with through cylinder body
Liquid in-out is open；The plunger assembly includes bulb plunger and piston shoes, wherein one end with bulb and piston shoes in bulb plunger
It is connected by spherical surface, the plunger cavity cooperation of the other end and cylinder body；The plunger chuck is tightly attached on the inclined-plane of swash plate, the plunger
It is circumferentially equipped with multiple through-holes on chuck, a piston shoes are accommodated in each through-hole；The chuck detent mechanism includes bullet
Spring, spring stand and steel ball, wherein described spring stand one end is extend into the Blind locating holes for being located at shaft end, another
End is connect equipped with spherical surface recess with the steel ball, and the spring is set in the Blind locating holes, which acts on spring
On deck, the other end acts on Blind locating holes bottom, and the center of the plunger chuck is equipped with location at spherical surface recess, the spring
Elastic force promotes steel ball to be pressed in location at spherical surface recess；The liquor preparation disk is arranged in cylinder body close to one end of liquid in-out opening,
The liquor preparation disk is equipped with inlet and leakage fluid dram in a circumferential direction, wherein along the rotation direction of cylinder body, the inlet position
Cylinder part corresponding position is gradually distance from the inclined-plane with swash plate, the leakage fluid dram is located at moves closer to cylinder with the inclined-plane of swash plate
Body portion corresponding position, the inlet and leakage fluid dram with liquid in-out open communication；It is equipped in second pump case and liquor preparation disk
Inlet connection feed pathway, and the apocenosis passage that is connected to equipped with the leakage fluid dram with liquor preparation disk；
The ring-type flow nozzle includes nozzle housing and flowline, wherein nozzle housing is set to the first pump case and the second pump
The top of shell, the nozzle housing is interior to be equipped with liquid flow cavity, and the flowline is set in liquid flow cavity, the outer wall and liquid of flowline
The runner gap of annular is formed between the inner wall of stream chamber；The nozzle housing is equipped with connection flowline and the oil drain passage
Fluid import, and equipped with connection runner gap and apocenosis passage flow inlet；
The shaft sequentially passes through oil extraction end cap, rotor, oil inlet end cap and cylinder body, and is connect with rotor and cylinder body.
2. integral type water-oil phase pump according to claim 1, which is characterized in that the oil inlet passage packet of second pump case
Include the axial fuel inlet area positioned at bottom and top, positioned at intermediate annular oil inlet area and the annular oil inlet area of connection and axial fuel inlet
The transition oil inlet area in area, wherein be connected with fuel inlet fitting at the axial fuel inlet area of bottom；The axial direction of the bottom and top
Oil inlet area is located at radial outside with the oil inlet corresponding position of oil inlet end cap, the axial fuel inlet area axially across oil inlet end cap and
Stator is connected to the another side of stator.
3. integral type water-oil phase according to claim 2 pump, which is characterized in that the feed pathway of second pump case and
Apocenosis passage combine constitute "eight" shape structure, wherein the inlet portion of feed pathway be equipped with water supply connector, described second
It is being equipped with annular interconnecting piece with annular oil inlet area corresponding position in pump case, the oil inlet end cap is in one towards plunger pump build-up member
End is equipped with axial interconnecting piece, which is connected to by sealing ring in annular interconnecting piece.
4. integral type water-oil phase pump according to claim 1 or 2, which is characterized in that far from fixed in the oil extraction end cap
One end of son is equipped with the annular oil extraction transition region being connected to oil discharge outlet；Oil drain passage on first pump case includes and annular
The annular oil extraction area of oil extraction transition region docking and the vertical oil extraction area being connect with annular oil extraction area, the vertical oil extraction area and spray
Fluid inlet communication in mouth shell.
5. integral type water-oil phase pump according to claim 4, which is characterized in that far from stator in the oil extraction end cap
One end is equipped with axial linkage section, and first pump case is equipped with annular linkage section in axial linkage section corresponding position, and the axial direction connects
Section is connect to be connected in annular linkage section by sealing ring；The periphery of the oil extraction end cap respectively with the first pump case and the second pump case
Inner wall cooperation, and at the inner wall cooperation of the periphery of oil extraction end cap and the first pump case, and oil extraction end cap periphery,
Inner wall three's meet of the inner wall of first pump case and the second pump case is equipped with sealing ring.
6. integral type water-oil phase pump according to claim 1 or 2, which is characterized in that be equipped with axis in first pump case
Hold, the outer end of the first pump case is equipped with first end cover, is equipped with bushing in the first end cover, the shaft sequentially pass through first end cover,
Bushing and bearing, and be fixedly connected with the inner ring of bearing；Between the first end cover and the first pump case and the first pump case with
It is bolted together between second pump case.
7. integral type water-oil phase pump according to claim 1, which is characterized in that the periphery of the cylinder body is equipped with ring
Shape locating plate, the interior intracavitary of the third pump case are equipped with the cylinder sleeve being sleeved on outside cylinder body；The outer end of the third pump case is equipped with second
End cap, the second end cover are fixedly connected by bolt with third pump case；The annular locating tab side of the cylinder body and third pump case
The end face of inner cavity is bonded, and the other side is bonded with one end of cylinder sleeve, and the other end of cylinder sleeve is bonded with the inner end of second end cover, and described the
Positioning pin is equipped between two end caps and swash plate.
8. integral type water-oil phase according to claim 1 pump, which is characterized in that second pump case and third pump case it
Between be bolted to connection together；The liquor preparation disk is arranged between the end face of the second pump case and the end face of cylinder body；Institute
State between the second pump case and third pump case and be equipped between the end face of the second pump case and the end face of cylinder body sealing ring.
9. integral type water-oil phase pump according to claim 1, which is characterized in that the flowline is in variable diameters
Hollow round column pipeline, including sequentially connected oil inlet section, variable diameters section and fuel-displaced section, wherein the diameter of oil inlet section is less than fuel-displaced
The diameter of section, along the conveying direction of fluid, the diameter of variable diameters section gradually increases.
10. integral type water-oil phase pump according to claim 1, which is characterized in that the top of first pump case is equipped with
The delivery connection being connected to oil drain passage, the top of second pump case is equipped with the water outlet connector being connected to apocenosis passage, described
The bottom of nozzle housing is equipped with the oil out port and water outlet mouthpiece that connects with delivery connection and water outlet connector, the delivery connection and
Sealing ring, runner of the nozzle housing in annular are respectively equipped between oil out port and between water outlet connector and water outlet mouthpiece
The pipe joint being connect with conveyance conduit is equipped at the outlet end in gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710217349.4A CN107013433B (en) | 2017-04-05 | 2017-04-05 | A kind of integral type water-oil phase pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710217349.4A CN107013433B (en) | 2017-04-05 | 2017-04-05 | A kind of integral type water-oil phase pump |
Publications (2)
| Publication Number | Publication Date |
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| CN107013433A CN107013433A (en) | 2017-08-04 |
| CN107013433B true CN107013433B (en) | 2018-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710217349.4A Active CN107013433B (en) | 2017-04-05 | 2017-04-05 | A kind of integral type water-oil phase pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110630465B (en) * | 2019-09-29 | 2021-03-19 | 河南荣威实业有限公司 | Plunger pump |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1073216A (en) * | 1962-11-21 | 1967-06-21 | F W Baggett & Co Ltd | Improvements relating to swash plate pumps and motors |
| US3824040A (en) * | 1972-04-06 | 1974-07-16 | Compump Syst Inc | Floatless control of liquid level, especially useful in atomizing systems |
| JPH02223684A (en) * | 1989-02-27 | 1990-09-06 | Diesel Kiki Co Ltd | Tandem type hydraulic pump |
| CN201502498U (en) * | 2009-07-13 | 2010-06-09 | 宁波沃力机电有限公司 | Unit pump of jet pump and vane type pump |
| JP6006098B2 (en) * | 2012-11-27 | 2016-10-12 | 日立オートモティブシステムズ株式会社 | Variable displacement pump |
| CN204591617U (en) * | 2015-04-20 | 2015-08-26 | 派克汉尼汾液压（天津）有限公司 | Variable displacement pump is determined in a kind of plunger vane mixing |
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2017
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