CN109667740A - Birotor two-way variable displacement pump or motor - Google Patents
Birotor two-way variable displacement pump or motor Download PDFInfo
- Publication number
- CN109667740A CN109667740A CN201811385369.3A CN201811385369A CN109667740A CN 109667740 A CN109667740 A CN 109667740A CN 201811385369 A CN201811385369 A CN 201811385369A CN 109667740 A CN109667740 A CN 109667740A
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- China
- Prior art keywords
- plunger
- central axis
- accommodating chamber
- matrix
- rotor cylinder
- Prior art date
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Classifications
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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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B1/22—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block having two or more sets of cylinders or pistons
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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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/122—Details or component parts, e.g. valves, sealings or lubrication means
- F04B1/124—Pistons
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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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B1/2014—Details or component parts
-
- 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
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B1/2014—Details or component parts
- F04B1/2035—Cylinder barrels
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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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B1/2014—Details or component parts
- F04B1/2064—Housings
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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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/26—Control
- F04B1/30—Control of machines or pumps with rotary cylinder blocks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of birotor two-way variable displacement pump or motor, between the central axis of the first accommodating chamber and the central axis of the second accommodating chamber intersection and between angle it is adjustable；It is corresponded hingedly between the tail end of first plunger and the tail end of the second plunger, and all hinged centers of rotation are on the equidistant point of the angle；The present invention utilizes the V-arrangement base structure of adjustable angle, realize the controllability of pump or motor operations volume, the discharge capacity of entire V-arrangement pump is enabled to realize positive and negative volume electrodeless adjustment under conditions of not changing rotation direction and work fluid path, to realize the electrodeless adjustment and function switch of pump and motor function under same working condition, compared with existing pump and motor, biggish processing capacity can be provided using equal volume and is improved efficiency, it can carry out electrodeless flow adjusting, realize two-way function (under i.e. identical steering condition, flow direction is interchangeable), different demands suitable for every field, with well adapting to ability.
Description
Technical field
The present invention relates to transmission drive areas, and in particular to a kind of birotor two-way variable displacement pump or motor.
Background technique
Hydraulic motor and hydraulic pump belong to the fluid machinery of reversible working, belong to the energy, medication chemistry, device fabrication etc.
The relatively conventional equipment of various fields.Traditional hydraulic motor and hydraulic pump using plunger as energy conversion elements, using oblique
The tilt angle of disk realizes the reciprocating motion of plunger, realizes the sucking and output of liquid, then process is opposite for hydraulic motor；The structure
Plunger pump (or hydraulic motor) adjusting of flow is realized by adjusting the tilt angle of swash plate.The pump or liquid of above structure
Pressure motor load asymmetric design, system wear is big, and lubricating difficulties frictional dissipation is big between swash plate and piston shoes, and axial flow distribution mechanism is let out
Flow load unfavorable greatly is big, and the whole discharge capacity of swash plate end spaces waste is small, and cantilever design cannot effectively overcome tilting moment.
Therefore, it is necessary to it is existing pump or hydraulic motor improve, same or slightly larger volume can provide compared with
It big processing capacity and improves efficiency, reduces system friction energy loss and system wear, the load configuration of balance and symmetry, subtracts
Mini system vent flow simultaneously enhances the ability of tilting moment of overcoming, while, it can be achieved that flow two-way electrodeless adjustment, realize two-way function
Can (i.e. the flow direction of medium can import and export exchange, pump and motor power and energy), suitable for the different demands of every field,
With well adapting to ability.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of birotor two-way variable displacement pump or motor, it is same or slightly larger
Volume can provide biggish processing capacity and improve efficiency, the load configuration of balance and symmetry, reduce system friction energy
Loss and system wear reduce system vent flow and enhance the ability of tilting moment of overcoming, while, it can be achieved that flow two-way nothing
Pole is adjusted, and two-way function (i.e. the flow direction of medium can import and export exchange, pump and motor power and energy) is realized, in addition, can
Electromechanical Design is incorporated as needed, realizes mechanical, electrical, liquid three-phase exchange energy, suitable for the different demands of every field,
With well adapting to ability.
Birotor two-way variable displacement pump of the invention or motor, including the first matrix and the second matrix, first matrix and
Second matrix is correspondingly provided with the first accommodating chamber and the second accommodating chamber, in the first receiving cavity can with correspondence in the second accommodating chamber
The setting the first rotor cylinder body and the second rotor cylinder of rotation, bias is set respectively for the first rotor cylinder body and the second rotor cylinder
It is equipped with the first plunger cavity and the second plunger cavity；
Intersect between the central axis of first accommodating chamber and the central axis of the second accommodating chamber and angle is adjustable；It is described
Plunger assembly includes the second plunger with the first plunger of the first plunger cavity cooperation and with the cooperation of the second plunger cavity, first column
It is corresponded hingedly between the tail end of plug and the tail end of the second plunger, and all hinged centers of rotation are in the angle bisection of the angle
On face.
It further, further include for driving opposite between the first matrix and the second matrix swing so that first accommodating chamber
The vertex of angle described in spaced winding with the second accommodating chamber and plane where the angle with respect to reciprocally swinging angular adjustment drive
Dynamic component.
Further, first matrix is relatively fixed, and the angular adjustment driving assembly includes rack gear and is engaged with rack
The segmental arc gear formed by one section of circular arc, the rotation centerline of the segmental arc gear and the oscillation center line weight of the second accommodating chamber
The second matrix for closing and being fixed on where the second accommodating chamber, the rack gear can be arranged by the mode that driving moves back and forth and drive arc
The rotation of section gear to drive the second matrix passive so that first accommodating chamber central axis and the second accommodating chamber
Angle between central axis is adjustable.
Further, the articulated manner between the tail end of first plunger and the tail end of corresponding second plunger is flexural pivot.
Further, further include rotate coaxially be equipped in the first rotor cylinder body the first central axis and rotate coaxially cooperation
It is set to the second central axis of the second rotor cylinder, first central axis is hingedly matched between the end opposite with the second central axis
Conjunction makes between the first central axis and the second central axis can be in the angle institute planar reciprocally swinging.
Further, the articulated manner between first central axis and the second central axis is flexural pivot, first plunger
The first limit spring, the working tips and the second plunger of second plunger are equipped between working tips and the first plunger cavity end
The second limit spring is equipped between chamber end, the pretightning force of first limit spring and the pretightning force of the second limit spring are equal
And pretightning forces offset when the angle is 180 ° etc..
Further, the articulated manner between first central axis and the second central axis is axis hinge, is located in described first
The tail end of mandrel is equipped with center stop collar with the tail end hinged place of corresponding second central axis, as the first accommodating chamber and second are held
Receive chamber angle change, the median plane of the center stop collar is overlapped with the holding of the equidistant point of the angle, and center limits
Ring outer circumferential is the annular groove of arc at cross section；Between the tail end of first plunger and the tail end of corresponding second plunger
Spherical hinge structure outer surface be the Surface of Sphere concentric with hinged center, the Surface of Sphere is conformal in the annular groove.
Further, corresponding with the first rotor cylinder body outer circle on first matrix to be equipped with the first stator winding,
One rotor cylinder is corresponding with first stator winding to be distributed with the first magnet steel, forms the first motor or generator；Or/
With, it is corresponding with the second rotor cylinder outer circle on second matrix to be equipped with the second stator winding, the second rotor cylinder with
Second stator winding is corresponding to be distributed with the second magnet steel, forms the second motor or generator.
Further, fix opposite with first matrix forms assembly matrix, and the assembly matrix, which is formed, accommodates the second base
The cavity of body, and the assembly matrix also forms and is used to support the slideway that rack gear supplies it to reciprocatingly slide；The first rotor cylinder body
Equipped with it is axially extending go out the first matrix shaft, first central axis is rotatably assorted extend in be placed on the shaft and formed
Support；Second central axis is axially extending to be gone out second rotor cylinder and to extend to second matrix.
Further, first matrix and the second matrix are respectively set assignment unit, the first rotor cylinder body and second turn
The fluid distributing hole of connection corresponding with the first plunger cavity and the second plunger cavity is respectively formed on sub- cylinder body, the assignment unit includes feed liquor
Portion goes out liquid portion and support base, and the feed liquor portion and dispensing parts of the assignment unit of first matrix are not located at the diameter of the first accommodating chamber
To two sides, and plane where the angle being respectively between the central axis of the first accommodating chamber and the central axis of the second accommodating chamber
Two sides；The feed liquor portion and dispensing parts of the assignment unit of second matrix are not located at the radially opposite sides of the second accommodating chamber, and point column
The two sides of plane where angle between the central axis of the first accommodating chamber and the central axis of the second accommodating chamber；The first rotor
Cylinder body and the second rotor cylinder are supported in corresponding support base and make between corresponding feed liquor portion and out liquid portion along corresponding first
The isolation of the circumferencial direction of rotor cylinder and the second rotor cylinder；
Alternatively, assignment unit, the first rotor cylinder body or the second rotor cylinder is arranged in first matrix or the second matrix
The upper fluid distributing hole for forming corresponding with the first plunger cavity or the second plunger cavity connection, the assignment unit include feed liquor portion, out liquid portion and
Support base, the feed liquor portion and dispensing parts of the assignment unit are not located at the radially opposite sides of the first accommodating chamber or the second accommodating chamber, and
The two sides of plane where being respectively in the angle between the central axis of the first accommodating chamber and the central axis of the second accommodating chamber, first
Rotor cylinder or the second rotor cylinder are supported in support base and make between feed liquor portion and out liquid portion along the first rotor cylinder body or second
The circumferencial direction of rotor cylinder is isolated；First plunger and the second plunger are hollow and corresponding be interconnected and run through plunger
Top, which is formed, matches circulation road.
Beneficial effects of the present invention: birotor two-way variable displacement pump of the invention or motor, the present invention utilize the V of adjustable angle
Shape base structure realizes the controllability of pump or motor operations volume, and the discharge capacity of entire V-arrangement pump is enabled not change rotation
Positive and negative volume electrodeless adjustment is realized under conditions of direction and work fluid path, to realize pump or motor function in same working condition
Under electrodeless adjustment and function switch, with it is existing pump and motor compared with, can be provided using same or slightly larger volume
It biggish processing capacity and improves efficiency, reduce system friction energy loss and system wear, the load configuration of balance and symmetry
Unfavorable load is offset, system vent flow is reduced and enhances the ability for overcoming tilting moment, electrodeless flow adjusting can be carried out, is realized double
To function (i.e. the flow direction of medium can import and export exchange, pump and motor power and energy), in addition, machine can be incorporated as needed
Mechanical, electrical, liquid three-phase exchange energy is realized in electrical integrated design, suitable for the different demands of every field, is had and is well adapted to
Ability
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is schematic structural view of the invention；
Fig. 2 is that the present invention uses stop collar structural schematic diagram；
Fig. 3 is the first rotor housing structure schematic diagram of the present invention (band magnet steel)；
Fig. 4 is the structural schematic diagram (band winding) of receiving cavity of the present invention；
Fig. 5 is central axis hinged perspective view of the present invention using limit ring structure；
Fig. 6 is the first center spindle structure schematic diagram of the invention (band umbrella tooth)；
Fig. 7 is the second center spindle structure schematic diagram of the invention (band umbrella tooth)；
Fig. 8 is stop collar structural schematic diagram of the present invention (band pinion gear)；
Fig. 9 is flow-distribution mechanism schematic illustration；
Figure 10 is to have flow channel design schematic diagram in plunger；
Figure 11 is external flow schematic diagram；
Figure 12 is flow schematic diagram in plunger.
Specific embodiment
As shown, birotor two-way variable displacement pump of the invention or motor, including the first matrix 1 and the second matrix 2, it is described
First matrix 1 and the second matrix 2 are correspondingly provided with the first accommodating chamber and the second accommodating chamber, hold in the first receiving cavity with second
Intracavitary correspondence of receiving rotatably is arranged the first rotor cylinder body 3 and the second rotor cylinder 4, the first rotor cylinder body 3 and second turn
Eccentric setting has the first plunger cavity 31 and the second plunger cavity 32 to sub- cylinder body 4 respectively, as shown, the first rotor cylinder body 3 and second
Rotor cylinder 4 passes through corresponding bearing (including angular contact bearing or thrust bearing, as illustrated by angular contact bearing respectively
24,17 are arranged in corresponding first matrix 1 and the second matrix 2, and two angular contact bearings are relative to the first rotor cylinder body 3 and second
4 axial force load direction of rotor cylinder is outside thrust) carry out rotation setting；In actual use, the first plunger cavity 31 and second
Plunger cavity 32 generally be respectively multiple correspondences be centered around around the center line of the first rotor cylinder body 3 and the second rotor cylinder 4 in
Around heart line, by the active or passive rotation of the first rotor cylinder body 3 and the second rotor cylinder 4, change plunger in plunger cavity
Interior axial position (due to being eccentric setting and having angle), forms efficient pump or motor, but multiple first plunger cavities with
One-to-one relationship is formed between multiple second plunger cavities, details are not described herein；
Intersect between the central axis of first accommodating chamber and the central axis of the second accommodating chamber and angle is adjustable；Angle
The adjustable angle referred between the first accommodating chamber and the second accommodating chamber can be changed by adjusting relative position, general using adjusting the
Orientation between one matrix 1 and the second matrix 2 realizes, certainly, it is not excluded that the first accommodating chamber and the second accommodating chamber relative to
First matrix and the second matrix are adjustable, to realize adjusting；The plunger assembly includes the first column with the cooperation of the first plunger cavity
Plug 5 and the second plunger 6 cooperated with the second plunger cavity, between the tail end of first plunger 5 and the tail end of the second plunger 6 one by one
It is corresponding hinged, and all hinged centers of rotation are on the equidistant point of the angle；In structure of the invention, the first accommodating chamber
It is crossed to form angle between central axis and the central axis of the second accommodating chamber, V-shaped structure, and under plunger assembly effect,
The first rotor cylinder body and the second rotor cylinder rotate synchronously, and by the change of angle, maximum of the plunger in plunger cavity can be changed
Stroke, when angle becomes smaller, the ram travel in plunger cavity is elongated, and angle becomes larger until at 180 °, and stroke gradually becomes smaller to zero,
The liquid flow path direction of pump or motor then opposite (exit and entry exchange) function when adjusting angle and being greater than 180 ° (perhaps negative angle)
Conversion (pump and motor are mutually converted), has more flexibly adjustment mode；Certainly, the structure of plunger can be piston and add piston
Bar is substituted, and equivalent replacement is belonged to, and details are not described herein.
It further include for driving opposite between the first matrix 1 and the second matrix 2 swing so that described first in the present embodiment
The vertex of angle described in the spaced winding of accommodating chamber and the second accommodating chamber and plane where the angle with respect to reciprocally swinging angle
Driving assembly is adjusted, drives the first matrix 1 or/and the second matrix 2 that the change in orientation occurs by angular adjustment driving assembly, from
And make the first accommodating chamber or/and the second accommodating chamber that the opposite change for swinging and completing angle, automation effect with higher occur
Fruit；Driving assembly can be hydraulic-driven, worm and gear or rack-and-pinion, be able to achieve goal of the invention.
In the present embodiment, first matrix 1 is relatively fixed, relatively fixed to refer to fixing relative to shell or outside
Object is fixed；The angular adjustment driving assembly includes rack gear 19 and the segmental arc gear formed by one section of circular arc that is engaged with rack
18, the rotation centerline of the segmental arc gear 18 is overlapped with the oscillation center line of the second accommodating chamber and is fixed on the second accommodating chamber institute
The second matrix 2, the rack gear 19 can be arranged by the mode that driving moves back and forth and drive the rotation of segmental arc gear 18 to band
Dynamic second matrix is passive so that folder between the central axis of first accommodating chamber and the central axis of the second accommodating chamber
Angle is adjustable；The rotation of segmental arc gear is driven by the reciprocating motion of rack gear, to drive the second accommodating chamber within the scope of set angle
It swings, achievees the purpose that finally to adjust flow and conversion function；Segmental arc gear is relatively easy to adjust the positive and negative of angle, structure letter
It is single and at low cost；In the present solution, the base structure of rack gear and pump or motor forms reciprocal cooperation, it is smooth in order to move back and forth, also
Settable corresponding linear bearing, details are not described herein；In fact, by rack drives gear, according to the rotational angle of setting
And determine the range of the angle finally realized adjustment, it can be by realizing automatically；The driving of rack gear can be electronic, hydraulic or silk
Thick stick etc., the present embodiment are driven by hydraulic realization, and the control of hydraulic mechanism is realized using control module 21, utilizes hydraulic control
Principle controls reciprocatingly sliding for rack gear, and details are not described herein.
In the present embodiment, the articulated manner between the tail end of first plunger 5 and the tail end of corresponding second plunger 6 is
Flexural pivot 15, flexural pivot have flexible adaptive ability, and changeable angle while can also carry out rotation appropriate, guarantee mechanism
Smooth operation；Certainly existing gimbal structure can also be used, is also able to achieve goal of the invention, gimbal structure also has larger
Bearing capacity.
It further include the first central axis 7 rotated coaxially be equipped in the first rotor cylinder body 3 and coaxial turn in the present embodiment
Dynamic the second central axis 8 being equipped in the second rotor cylinder 4, first central axis 7 end opposite with the second central axis 8
Between hingedly make between the first central axis and the second central axis can be in the angle institute planar reciprocally swinging for cooperation；Certainly,
First central axis is axially relative to the first rotor cylinder body, and for positioning setting, (positioning setting refers to relatively solid in axial position
Fixed, circumferencial direction is rotatably arranged, and existing mechanical means, which can be used, can be realized, for example be appropriately arranged with plane bearing, angle
Contact bearing etc.), the second central axis is axially relative to the second rotor cylinder as positioning setting；As shown, the two is logical
Cross bearing assembly realization be rotatably assorted and it is axially opposing positioning and circumferencial direction be rotatably assorted, as shown, the first central axis and
Second central axis passes through corresponding angular contact bearing 23,16 respectively and realizes rotation with the first rotor cylinder body 3 and the second rotor cylinder 4
And position, it is outside thrust to the axial force of the first central axis and the second central axis, here and above-mentioned outward refers to phase
Outside for hinged equidistant point axial sides, details are not described herein.
In the present embodiment, articulated manner between first central axis 7 and the second central axis 8 is flexural pivot 22, described the
The first limit spring 9, the work of second plunger 6 are equipped between 31 end of working tips and the first plunger cavity of one plunger 5
The second limit spring 10, the pretightning force of first limit spring and the second limit are equipped between 32 end of end and the second plunger cavity
The pretightning force of position spring is equal and pretightning forces offset when the angle is 180 ° etc., certainly, pre- when plunger is located at lower dead center
Clamp force spring can not generate pretightning force, and will not generally be equipped with pretightning force at this time；When the preferably described angle of the present embodiment is 180 °
Pretightning force is zero, and pretightning force is zero to refer to that, when angle is adjusted at 180 °, the first limit spring and the second limit spring are just
It is detached from pretightning force and both ends also offsets with corresponding plunger head and plunger cavity head；The structure is in the guarantor when the angle is 180 °
It is equal or be simultaneously zero to demonstrate,prove pretightning force suffered by the first plunger and the second plunger both ends, so guarantee whole the first plunger and
Hinged center between second plunger is in same angle and divides plane (when adjusting the angle).
It is of course also possible to be having structure: as shown in figure 3, between first central axis 7 ' and the second central axis 8 '
Articulated manner is axis hinge, in order to guarantee all the hinged center between the first plungers 5 and the second plunger 6 (i.e. with other first columns
Fill in the hinged center between the second plunger) divide plane in same angle, having structure can also be used；It is located at described first
The tail end of central axis 7 ' is equipped with center stop collar 26 with the tail end hinged place of corresponding second central axis 8 ', with the first accommodating chamber
With the change of the angle of the second accommodating chamber, (i.e. center stop collar is parallel to two rings to the median plane of the center stop collar 26
Shape surface and the radial section being located among the two) it is overlapped with the holding of the equidistant point of the angle, 26 outer circle of center stop collar
Form the annular groove that cross section is arc week；Ball between the tail end of first plunger 5 and the tail end of corresponding second plunger 6
Hinge structural outer surface is the Surface of Sphere concentric with hinged center, and the Surface of Sphere is conformal embedded in described in (being partly included in by mobilizable)
In annular groove, have the function of mechanical position limitation, and guarantees the smooth operation of mechanism；Specific structure is as shown, in described first
The tail end of mandrel 7 ' is hinged by articulated shaft 30 with the tail end of corresponding second central axis 8 ', and 30 both ends of articulated shaft and center limit
Ring 26 connects, and certainly, the axis of articulated shaft 30 passes through the center of circle of center stop collar, generally (as schemed by the way of being fixedly connected
Shown, 30 both ends of articulated shaft form flat axis, and connection is formed in the flat slot of the formation of center stop collar)；It is solid on articulated shaft 30
Surely it is equipped with pinion gear 29 (small umbrella shape tooth), the tail end of the first central axis 7 ' is equipped with hinged groove, and the second central axis 8 ' is equipped with hinged
It (is respectively hinged groove in figure that umbrella shape outer gear ring is equipped with hinged central coaxial respectively relatively on tenon, hinged groove and hinged tenon
On umbrella shape outer gear ring 28 and hinged tenon on umbrella shape outer gear ring 27), the pinion gear 29 on articulated shaft 30 is four, in circumference
On be uniformly distributed, naturally it is also possible to be it is multiple be circumferentially uniformly distributed, and pinion gear is clipped between two umbrella shape outer gear rings simultaneously
It is engaged respectively with two umbrella shape outer gear rings；I.e. pinion gear and two umbellate form outer gear rings are T-shaped engages cooperation, the first central axis 7 ' and
Second central axis 8 ' drives respective pinion gear to move in relative motion by outer gear ring, to keep center stop collar motionless
(the first central axis 7 ' and the second central axis 8 ' move change angle simultaneously) or half-angle are servo-actuated (the first central axis 7 ' and the second center
The one of movement of axis 8 ' changes angle) it is on equidistant point always, plunger spherical pair and the conformal phase in centralized positioning annular groove face
It cuts；When pump is in non-zero delivery (band angle), spherical pair does not work without axial movement tendency, centralized positioning ring；When pump is in
When zero delivery (coaxial), centralized positioning ring plays position-limiting action, and spherical pair is kept to be on equidistant point to guarantee plunger pump
It can realize that plunger pumpage electrodeless adjustment and pump are freely converted with motor function in both forward and reverse directions free switching.
In the present embodiment, on first matrix 1 it is corresponding with 3 outer circle of the first rotor cylinder body be equipped with the first stator around
Group 11, the first rotor cylinder body 3 is corresponding with first stator winding to be distributed with the first magnet steel 13, and the distribution of magnet steel is to form power generation
Machine perhaps forms the first motor or generator subject to motor；Or on second matrix 2 with second rotor
3 outer circle of cylinder body is corresponding to be equipped with the second stator winding 12, and the second rotor cylinder 4 is corresponding with second stator winding 12 to be distributed with
Second magnet steel 14 forms the second motor or generator；Certainly, the regularity of distribution of the second magnet steel 14 equally with formed motor or
Subject to person's generator；Either pump perhaps motor condition generator or motor can play the role of it is corresponding；As pump,
The motor of formation can be directly used for driving, and as motor, collects extra energy and generates electricity, and store electric energy, herein no longer
It repeats；This structure generator or motor are integrated in the pump housing or motor itself, have compact-sized, the spy to occupy little space
Point, to save manufacturing cost and use cost.
It in the present embodiment, is fixed relatively with first matrix 1 and forms assembly matrix 20, the assembly matrix 20, which is formed, to be held
Receive the cavity of the second matrix 2, and the assembly matrix 20 also forms and is used to support the slideway that rack gear supplies it to reciprocatingly slide；As schemed
Show, the first matrix is integrally formed to be formed framework (assembly matrix), and the cavity for placing the second matrix 2, framework are formed inside the framework
A base construction is formed rearward, forms the slideway in pedestal, hydraulic control module 21 and hydraulic runner are also disposed on institute
Base construction is stated, structure is simple and compact；The first rotor cylinder body 3 is equipped with the shaft 25 of axially extending first matrix out, institute
It states the first central axis 7 and rotates coaxially the hollow shaft sleeve formation support for being placed on the formation of shaft 25 in cooperation extension；Second center
Axis 8 is axially extending to be gone out second rotor cylinder 4 and to extend in the support base that second matrix 2 is formed, using fixed
Mode is not fixed (purpose can also be realized by being rotatably assorted) and is able to achieve goal of the invention, generally fixed structure；When described
When the tail end of one central axis 7 and the tail end hinged place of corresponding second central axis 8 are equipped with center limit ring structure, then the second center
Axially extending second rotor cylinder out of axis 8 and the interior formation fixed structure of support base for extending to the second matrix formation.
As shown, total is cylindrical mutual fitting from outside to inside, rotation or fixed is formed as needed
Cooperation, it is compact-sized；Pivot structure can outward output power or from outside access power, it is flexible and convenient to use.
In the present embodiment, assignment unit is respectively set in first matrix 1 and the second matrix 2, and concrete principle is as shown in Figure 9；
Connect corresponding with the first plunger cavity 31 and the second plunger cavity 32 is respectively formed on the first rotor cylinder body 3 and the second rotor cylinder 4
Logical fluid distributing hole 33,34, the assignment unit include feed liquor portion, go out liquid portion and support base 35, and the feed liquor portion is equipped with inlet 37,
Liquid portion is equipped with liquid outlet 36 out, and certainly, according to the adjustment of the angle, feed liquor portion and out liquid portion are exchanged, liquid flow path direction reversion, pump
Or motor function conversion；The feed liquor portion and dispensing parts of the assignment unit of first matrix 1 are not located at the radial direction of the first accommodating chamber
Two sides, and two of plane where the angle being respectively between the central axis of the first accommodating chamber and the central axis of the second accommodating chamber
Side；The feed liquor portion and dispensing parts of the assignment unit of second matrix 2 are not located at the radially opposite sides of the second accommodating chamber, and are respectively in
The two sides of plane where angle between the central axis of first accommodating chamber and the central axis of the second accommodating chamber；The first rotor cylinder
Body 3 and the second rotor cylinder 4 are supported in corresponding support base 35 and make between corresponding feed liquor portion and out liquid portion along corresponding
The isolation of the circumferencial direction of one rotor cylinder 3 and the second rotor cylinder 4；The fortune of assignment unit is respectively set in first matrix and the second matrix
Row principle is as shown in figure 11, and a represents the assembly of the first matrix in figure, and b is the assembly of the second matrix, and black arrow is feed liquor, white
Color arrow is liquid.
Certainly, the structure of one end setting flow-distribution mechanism can also be used (i.e. using the first rotor cylinder body 3 or the second rotor cylinder
The structure of one of 4 setting flow-distribution mechanisms), concrete principle is as shown in figure 12, the assembly a ' of first matrix or the second matrix
Assignment unit (only assignment unit is arranged in the first matrix to the present embodiment), the first rotor cylinder body or the second rotor cylinder is arranged in assembly b '
It is formed on (the present embodiment is the first rotor cylinder body) and the first plunger cavity or the second plunger cavity (the present embodiment is the first plunger cavity)
The fluid distributing hole of corresponding connection, the assignment unit include feed liquor portion, go out liquid portion and support base, are located at the radial direction of the first accommodating chamber
Two sides, and two of plane where the angle being respectively between the central axis of the first accommodating chamber and the central axis of the second accommodating chamber
Side；The first rotor cylinder body 3 or the second rotor cylinder 4 (the present embodiment is the first rotor cylinder body) are supported in support base and make feed liquor portion
Out between liquid portion along the first rotor cylinder body or the second rotor cylinder (the present embodiment is the first rotor cylinder body) circumferencial direction every
From；First plunger 5 and the second plunger 6 it is hollow and it is corresponding be interconnected and run through plunger head formed with circulation road
71,81；And circulation road is matched in connection setting between the first plunger 5 and the second plunger 6, c ' is the liquid formed with circulation road in figure
Stream, so that the first plunger cavity 31 is connected to the second plunger cavity 32 by matching circulation road, for guaranteeing the normal work of two plunger cavities
Make, need to carrying out corresponding sealed set certainly, at the spherical hinge structure between the first plunger and the second plunger, (flexural pivot itself also has
Have sealing effect), as a result, this structure reduce a flow-distribution mechanism, design, manufacture and fit on reduce process and at
This, and reduce the volume and weight of whole equipment structure.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (10)
1. a kind of birotor two-way variable displacement pump or motor, it is characterised in that: including the first matrix and the second matrix, first base
Body and the second matrix are correspondingly provided with the first accommodating chamber and the second accommodating chamber, in the first receiving cavity with it is right in the second accommodating chamber
The first rotor cylinder body and the second rotor cylinder should be rotatably set, and the first rotor cylinder body and the second rotor cylinder difference are inclined
The heart is provided with the first plunger cavity and the second plunger cavity；
Between the central axis of first accommodating chamber and the central axis of the second accommodating chamber intersection and between angle it is adjustable；Institute
State plunger assembly include with the first plunger cavity cooperation the first plunger and with the second plunger cavity cooperation the second plunger, described first
It is corresponded hingedly between the tail end of plunger and the tail end of the second plunger, and all hinged centers of rotation are flat at the angle of the angle
In facet.
2. birotor two-way variable displacement pump according to claim 1 or motor, it is characterised in that: further include for driving first
With respect to swing so that the vertex of angle described in the spaced winding of first accommodating chamber and the second accommodating chamber between matrix and the second matrix
And in angular adjustment driving assembly of the plane where the angle with respect to reciprocally swinging.
3. birotor two-way variable displacement pump according to claim 2 or motor, it is characterised in that: first matrix is relatively solid
Fixed, the angular adjustment driving assembly includes rack gear and the segmental arc gear formed by one section of circular arc that is engaged with rack, the arc
The second base that the rotation centerline of section gear is overlapped with the oscillation center line of the second accommodating chamber and is fixed on where the second accommodating chamber
Body, the rack gear can be arranged by the mode that driving moves back and forth and drive the rotation of segmental arc gear to drive the second matrix driven,
So that the angle between the central axis of first accommodating chamber and the central axis of the second accommodating chamber is adjustable.
4. birotor two-way variable displacement pump according to claim 2 or motor, it is characterised in that: the tail end of first plunger
Articulated manner between the tail end of corresponding second plunger is flexural pivot.
5. birotor two-way variable displacement pump according to claim 4 or motor, it is characterised in that: further include rotating coaxially cooperation
It is set to the first central axis of the first rotor cylinder body and rotates coaxially the second central axis being equipped in the second rotor cylinder, institute
Stating between the first central axis end opposite with the second central axis that hingedly cooperation makes can between the first central axis and the second central axis
In angle institute planar reciprocally swinging.
6. birotor two-way variable displacement pump according to claim 5 or motor, it is characterised in that: first central axis and
Articulated manner between two central axises is flexural pivot, and the is equipped between the working tips of first plunger and the first plunger cavity end
One limit spring, is equipped with the second limit spring between the working tips of second plunger and the second plunger cavity end, and described the
The pretightning force of the pretightning force of one limit spring and the second limit spring is equal and pretightning forces offset when the angle is 180 ° etc..
7. birotor two-way variable displacement pump according to claim 5 or motor, it is characterised in that: first central axis and
Articulated manner between two central axises is axis hinge, positioned at tail end and the tail end of corresponding second central axis of first central axis
Hinged place is equipped with center stop collar, with the change of the angle of the first accommodating chamber and the second accommodating chamber, the center stop collar
Median plane is overlapped with the holding of the equidistant point of the angle, and center stop collar outer circumferential is the annular groove of arc at cross section；
Spherical hinge structure outer surface between the tail end of first plunger and the tail end of corresponding second plunger is concentric with hinged center
Surface of Sphere, the Surface of Sphere is conformal in the annular groove.
8. birotor two-way variable displacement pump according to claim 1 or motor, it is characterised in that: on first matrix with institute
State that the first rotor cylinder body outer circle is corresponding to be equipped with the first stator winding, corresponding with first stator winding point of the first rotor cylinder body
It is furnished with the first magnet steel, forms the first motor or generator；Or on second matrix with second rotor cylinder
Justify in vitro it is corresponding be equipped with the second stator winding, the second rotor cylinder is corresponding with second stator winding to be distributed with the second magnetic
Steel forms the second motor or generator.
9. birotor two-way variable displacement pump according to claim 4 or motor, it is characterised in that: opposite with first matrix
Fixed to form assembly matrix, the assembly matrix forms the cavity for accommodating the second matrix, and the assembly matrix is also formed and is used for
The slideway that support rack gear supplies it to reciprocatingly slide；The first rotor cylinder body is equipped with the shaft of axially extending first matrix out, described
First central axis is rotatably assorted extend in be placed on the shaft and form support；Second central axis it is axially extending go out described second
Rotor cylinder and extend to second matrix.
10. birotor two-way variable displacement pump according to claim 4 or motor, it is characterised in that: first matrix and
Assignment unit is respectively set in two matrixes, is respectively formed on the first rotor cylinder body and the second rotor cylinder and the first plunger cavity and
The fluid distributing hole of the corresponding connection of two plunger cavities, the assignment unit include feed liquor portion, go out liquid portion and support base, and first matrix is matched
The feed liquor portion and dispensing parts in stream portion are not located at the radially opposite sides of the first accommodating chamber, and are respectively in the central axis of the first accommodating chamber
And second accommodating chamber central axis between angle where plane two sides；The feed liquor portion of the assignment unit of second matrix and
Dispensing parts are not located at the radially opposite sides of the second accommodating chamber, and are respectively in the central axis and the second accommodating chamber of the first accommodating chamber
The two sides of plane where angle between central axis；The first rotor cylinder body and the second rotor cylinder are supported in corresponding support base
So that being isolated between corresponding feed liquor portion and out liquid portion along the circumferencial direction of corresponding the first rotor cylinder body and the second rotor cylinder；
Alternatively, assignment unit, shape on the first rotor cylinder body or the second rotor cylinder is arranged in first matrix or the second matrix
At the fluid distributing hole of connection corresponding with the first plunger cavity or the second plunger cavity, the assignment unit includes feed liquor portion, goes out liquid portion and support
Seat, the feed liquor portion and dispensing parts of the assignment unit are not located at the radially opposite sides of the first accommodating chamber or the second accommodating chamber, and point column
The two sides of plane, the first rotor where angle between the central axis of the first accommodating chamber and the central axis of the second accommodating chamber
Cylinder body or the second rotor cylinder are supported in support base and make between feed liquor portion and out liquid portion along the first rotor cylinder body or the second rotor
The circumferencial direction of cylinder body is isolated；First plunger and the second plunger are hollow and corresponding be interconnected and run through plunger head
It is formed and matches circulation road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811385369.3A CN109667740B (en) | 2018-11-20 | 2018-11-20 | Double-rotor bidirectional variable pump or motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811385369.3A CN109667740B (en) | 2018-11-20 | 2018-11-20 | Double-rotor bidirectional variable pump or motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109667740A true CN109667740A (en) | 2019-04-23 |
| CN109667740B CN109667740B (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811385369.3A Active CN109667740B (en) | 2018-11-20 | 2018-11-20 | Double-rotor bidirectional variable pump or motor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114206503A (en) * | 2019-07-31 | 2022-03-18 | 流体计量有限公司 | Mechanism for electronically regulating flow in a fixed displacement pump |
| CN116241426A (en) * | 2022-09-08 | 2023-06-09 | 南京卓益控制技术有限公司 | Hydraulic system's oil pressure electric control mechanism and variable pump |
| DE102022130018A1 (en) | 2022-11-14 | 2024-05-16 | Danfoss Power Solutions Gmbh & Co. Ohg | Integrated electro-hydraulic device with a bent-axis hydraulic pump |
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| FR2232233A5 (en) * | 1973-06-01 | 1974-12-27 | Ellenbogen Stephane | Hydraulic machine with rotary slide valve - has hollow pistons revolving and sliding in angled cylinders |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114206503A (en) * | 2019-07-31 | 2022-03-18 | 流体计量有限公司 | Mechanism for electronically regulating flow in a fixed displacement pump |
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| DE102022130018A1 (en) | 2022-11-14 | 2024-05-16 | Danfoss Power Solutions Gmbh & Co. Ohg | Integrated electro-hydraulic device with a bent-axis hydraulic pump |
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| Publication number | Publication date |
|---|---|
| CN109667740B (en) | 2021-03-02 |
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