CN108979995A - Air-driven type birotor piston driver - Google Patents
Air-driven type birotor piston driver Download PDFInfo
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- CN108979995A CN108979995A CN201810863539.8A CN201810863539A CN108979995A CN 108979995 A CN108979995 A CN 108979995A CN 201810863539 A CN201810863539 A CN 201810863539A CN 108979995 A CN108979995 A CN 108979995A
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- Prior art keywords
- piston
- rotor
- cylinder
- air
- air intake
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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
- F04B1/14—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 stationary cylinders
- F04B1/16—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 stationary cylinders having two or more sets of cylinders or pistons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B23/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01B23/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F01B3/0002—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F01B3/0005—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders having two or more sets of cylinders or pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B9/00—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to preceding groups
- F01B9/04—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to preceding groups with rotary main shaft other than crankshaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- 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
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B27/12—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders having plural sets of cylinders or pistons
-
- 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
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Actuator (AREA)
Abstract
The invention discloses a kind of air-driven type birotor piston drivers, including body, rotor assembly, piston component and valve actuating mechanism；Along axial V-shaped accommodating chamber, rotor assembly is dual-rotor structure, including the first rotor and the second rotor, is rotatably dispose in V-arrangement accommodating chamber both ends, respectively corresponding eccentric setting in the first rotor and the second rotor has the first cylinder and the second cylinder for the body setting；The piston component includes the piston rod that the first piston being set in the first cylinder, the second piston being set in the second cylinder and both ends connect first piston and second piston respectively in axial direction, and the piston rod is v-shaped structure identical with accommodating chamber phase；Valve actuating mechanism includes air intake duct, exhaust duct and distribution block, by the opposite sliding control air intake duct of distribution block or the operating phase of exhaust duct, so that air intake duct or exhaust duct and corresponding cylinder alternate communication；Rotor assembly and body setting magnet or armature, realize electromechanical power Combined design.
Description
Technical field
The present invention relates to transmission drive areas, and in particular to a kind of air-driven type birotor piston driver.
Background technique
Compressor, vacuum machine, air motor are common mechanized equipments in production and living, numerous production and living fields all
There is important role.Although traditional crankshaft connecting rod type piston compressor, vacuum pump, air motor are widely applied, and
Technology is very mature, but still remains certain defect:
One, structure is complicated, bulky, and space structure is loose, shakes larger in use process, and noise is big, connecting rod and work
Filling in axis, there are angles, and larger drift angle is formed under the conditions of stress is larger, form radial thrust to piston, increase mechanical damage
It loses, increase piston/cylinder set abrasion.
Two, airflow fluctuation is big, and solar term effect is obvious, and working efficiency is not high.
Three, load irrational distribution, equipment are prone to wear out aging.
Four, it has a single function, needs that different structures is taken to design for piston pump, vacuum machine, air motor.
Five, work in combination, Machinery electricity matching realized by series and parallel mode under transmission mechanism cooperation with being driven by electricity
Difference, coupling are difficult, and structure fusion degree is low, and structure is complicated for whole system, bulky, power to weight ratio is relatively low.
Summary of the invention
In view of this, providing a kind of air-driven type birotor piston the purpose of the present invention is overcoming defect in the prior art
Driving device, including body, rotor assembly, piston component and valve actuating mechanism；The body setting is along axial V-shaped receiving
Chamber, rotor assembly are dual-rotor structure, including the first rotor and the second rotor, are rotatably dispose in V-arrangement accommodating chamber both ends, first turn
Respectively corresponding eccentric setting in son and the second rotor has the first cylinder and the second cylinder；The piston component includes being set to first
First piston in cylinder, the second piston being set in the second cylinder and both ends connect first piston and second respectively in axial direction
The piston rod of piston, the piston rod are v-shaped structure identical with accommodating chamber phase；
The valve actuating mechanism includes air intake duct, exhaust duct and distribution block, and the distribution block driven can form reciprocal sliding
It employs to adjust the aperture of air intake duct or exhaust duct, so that air intake duct or exhaust duct and corresponding cylinder alternate communication.
Further, it is reciprocatingly slided by control distribution block and controls the connection phase difference of air intake duct and corresponding cylinder.
Further, the track that the distribution block reciprocatingly slides is arc.
Further, the air intake duct and exhaust duct are annularly distributed and respectively correspond between air intake duct and exhaust duct both ends
Be provided with the first isolated area and the second isolated area, first isolated area and the second isolated area respectively with piston top dead center and piston
Lower dead center is corresponding.
Further, the distribution block is arc block, which is embedded in the second isolated area in a manner of circumferentially sliding
And distribution block both ends are slideably positioned in air intake duct and exhaust duct respectively.
Further, the air intake duct and exhaust duct are that the width of arc and air intake duct is less than the width of exhaust duct, described
The conformal sliding in one end of distribution block is embedded in air intake duct.
It further, further include control assembly for controlling distribution block, the control assembly includes that single-degree-of-freedom rotation is set
The drive rod set and the driver for controlling drive rod rotation, the outer circle of the drive rod are provided with external screw thread, the distribution
Block is that circumferentially single-degree-of-freedom reciprocatingly slides the arc distribution block of setting, and the lateral wall of the drive rod is provided with and the outer spiral shell
The driving cog of bolt engagement.
It further, further include center carrying axle, the first rotor and the second rotor center are axially provided with cylindrical hole,
The center carrying axle is by bearing inner sleeve in the first rotor and the segmentation of the second rotor Correspondent cy linder hole and to rotor rotational positioning；
The end of the piston rod is fixedly installed piston erection joint, and piston is installed on work by axial direction positioning device
Erection joint top is filled in, has been disposed radially activity surplus, the axial direction positioning device peace relative to corresponding piston erection joint
Loaded on piston base, to piston axially position；First cylinder inner wall and the second cylinder inner wall are provided with for carrying work
The piston rod bearing of connecting rod radial load is filled in, piston rod realizes piston rod and corresponding cylinder by piston rod bearing
The cooperation of inner wall cylindrical pair.
Further, the outer end face center and bitrochanteric outer end face center of the first rotor are axially prolonged along itself respectively
The extended segment to be formed and stretch out body is stretched, and input or output shaft respectively as rotor driving, the first rotor and second turn
Son is installed in body by thrust bearing respectively；First cylinder and the second cylinder are respectively set along the circumferential direction of respective rotor
To be multiple, piston component is provided between each group of the first cylinder and the second cylinder；
The piston rod bearing includes the retainer of outer ring, ball and loop overlapping shape；The outer ring inner circle is recessed to form use
In the annular positioning groove of axially position installation retainer, the axial ends of the annular positioning groove slot bottom is recessed respectively forms two rings
Shape guide groove is axially provided with the reflux pilot hole of the annular guide grooves of connection two in the outer ring, opens among retainer along axial direction
If for the bar shaped limited mouth that limit to ball, the reflux pilot hole and bar shaped limited mouth it is circumferentially arranged be it is multiple, it is described
Ball is multiple and is filled in annular guide groove, reflux pilot hole and bar shaped limited mouth.
Further, the rotor assembly is provided with magnet or armature, and the body is provided with armature or magnet, makes rotor set
Electric drive mechanism or power generation mechanism are formed between part and body, to build electromechanical mixed dynamic device.
Further, the piston rod and/or center carrying axle be V shape pole, V shape pole angle and the first rotor and
Second rotor installation angle is equal, and piston stroke is determined by cylinder eccentricity and the angle, enables the rotor mounting axis
Angle is α, and enabling the cylinder eccentricity is R, then corresponds to stroke l=2 × R × cot (α/2) of piston, enable pistons work diameter
For r, each piston number is i, and piston sum is n then displacement volume
Further, oval external chute is arranged in outer circle among the center carrying axle, cavity wall setting among the accommodating chamber
Loading bearing is arranged in oval internal chute, the piston rod centre, and the ellipse internal chute and oval external chute are conformal
The loading bearing motion profile is matched, and tangent with the loading bearing.
The beneficial effects of the present invention are:
1, by circuferential spacing topological simplicity system structure, optimize structure space layout, allow system it is more compact efficiently.
2, the direct cooperation of piston drive shaft and rotation rotor optimizes system dynamic transmitting, reduces the negative of piston
Load.
3, symmetrically turn cylinder layout and piston setting, make load distributing equilibrium, have twin shaft I/O capability, it is more high
It imitates, is powerful.
4, free switching between the function of piston pump, air motor is realized, application range is extended.
5, the mixed dynamic structure of integrated pneumoelectric keeps electromechanical mixed flowing mode more compact, efficient, optimizes Machinery electricity matching relationship, increase
The electrodynamic coupling performance of strong gas, simplifies system, improves power to weight ratio.
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 inner rotator attachment structure schematic diagram in the present invention；
Fig. 3 is external view of the present invention；
Fig. 4 is the structural schematic diagram of rotor in the present invention；
Fig. 5 is the structural schematic diagram of piston rod in the present invention；
Fig. 6 is the structural schematic diagram of piston rod bearing in the present invention；
Fig. 7 is the rotor schematic diagram in the present invention as rotor；
Fig. 8 is the body schematic diagram in the present invention as stator；
Fig. 9 is the structural schematic diagram of valve actuating mechanism in the present invention；
Figure 10 is the schematic perspective view of valve actuating mechanism in the present invention；
Figure 11 is the scheme of installation of loading bearing in the present invention.
Specific embodiment
As shown, the air-driven type birotor piston driver in the present embodiment, including body, rotor assembly, piston
Component and valve actuating mechanism；Along axial V-shaped accommodating chamber 4, rotor assembly 2 is dual-rotor structure for the body setting, including the
One rotor 21 and the second rotor 22 are rotatably dispose in 4 both ends of V-arrangement accommodating chamber, respectively correspond in the first rotor and the second rotor partially
The heart is provided with the first cylinder 31a and the second cylinder 32a；The piston component includes the first piston being set in the first cylinder
31, the second piston 32 being set in the second cylinder and both ends connect respectively in axial direction first piston and second piston and with it is corresponding
The piston rod 33 that cylinder is cooperated by cylindrical pair, the piston rod 33 are v-shaped structure identical with accommodating chamber phase；Piston
The corner of connecting rod may be configured as abnormity, preferably triangle, the piston rod V that indicates piston rod identical as accommodating chamber phase
The angle of the V-structure of the angle and accommodating chamber of type structure is identical, and piston rod is translatable in accommodating chamber without rotating；
The air-driven type birotor piston driver can be used for piston pump, vacuum machine and air motor etc., and rotor refers to that rotor refers to by axis
Hold the rotary body of support；
The first cylinder 31a and the second cylinder 32a can be one or more, the first cylinder 31a and the second cylinder 32a
Realize that piston motion and rotor rotation link by a piston rod 33 or multiple piston rods；The expression pair of cylinder eccentric setting
The shaft of the central axis and respective rotor of answering cylinder is not conllinear；The first rotor 21 and the second rotor 22 turn with cylinder
Son；
Body 1 includes shell 11, the first rotor component mounting base 21a and the second rotor assembly mounting base 22a of V shape, shell
The accommodating chamber 4 of rotor assembly 2 is set inside body 11, and lubrication cooling medium is set, with ensure lubrication rotor assembly 2 inside with
It is cooling；The first rotor component mounting base 21a and the second rotor assembly mounting base 22a is fixedly installed in the both ends of shell 11 respectively,
Rotor assembly 2 is by respective rotor bearing 23 (rotor bearing 23 is thrust bearing) rotational installation in respective rotor component mounting base
Interior, the rotor assembly mounting base is provided with for the valve actuating mechanism to cylinder gas distribution.
The valve actuating mechanism includes air intake duct 73, exhaust duct 74 and distribution block 72, and the distribution block 72 can driven shape
At reciprocatingly sliding to adjust air intake duct aperture, so that air intake duct or exhaust duct and corresponding cylinder alternate communication；The air inlet
Road 73, exhaust duct 74 are opened on distribution matrix 71, and the distribution block 72 is conformal to be slideably positioned in air intake duct or exhaust duct, with into
Air flue or exhaust duct cooperatively form adjustable valve, and the aperture of the valve is determined by the position of distribution block 72, and is determined
Distribution opportunity, to realize the storage of control gas compression and expanded exhaust process；It is circumferential to indicate along the direction of rotation of rotary cylinder,
Certainly, changed according to the direction of rotation of cylinder 31a, the airflow direction of corresponding air intake duct 73 and exhaust duct 74 should exchange.
In the present embodiment, is reciprocatingly slided by control distribution block 72 and control the connection phase of air intake duct 73 and corresponding cylinder
Potential difference；Air intake duct indicates that corresponding cylinder is connected in a cycle rotary course with air intake duct with the connection phase difference of corresponding cylinder
Corresponding rotation center angle under state, by controlling the rotation center angle, when the air inflow or exhaust of easily controllable corresponding cylinder
Machine realizes the accurate control of working cycles.
In the present embodiment, the track that the distribution block 72 reciprocatingly slides is arc；The motion profile of arching trajectory and cylinder
Corresponding, simple control structure realizes step-less adjustment, improves control stability.
In the present embodiment, the air intake duct 73 and exhaust duct 74 are annularly distributed and between air intake duct and exhaust duct both ends
Respectively correspond and be provided with the first isolated area 75 and the second isolated area 76, first isolated area 75 and the second isolated area 76 respectively with
Piston top dead center and piston lower dead center are corresponding；In the present embodiment, the distribution block is arc block, and the arc block is circumferentially to slide
Mode be embedded in the second isolated area and distribution block both ends are slideably positioned in air intake duct and exhaust duct respectively；Distribution block mounting structure
Simple and compact, the stabilization to reciprocatingly slide well, it is coherent to adjust control.
In the present embodiment, the air intake duct and exhaust duct are that the width of arc and air intake duct is less than the width of exhaust duct,
The conformal sliding in one end of the distribution block is embedded in air intake duct；Distribution block is conformal to be embedded in air intake duct, and internally block cooperation is real
Now corresponding cylinder is blocked, further increases distribution block kinetic stability, and the width of exhaust duct is greater than the width of distribution block
Degree, therefore exhaust duct is not caused to block.
It further include the control assembly for controlling distribution block in the present embodiment, the control assembly includes that single-degree-of-freedom turns
The drive rod 77 of dynamic setting and the driver (not shown) rotated for controlling drive rod, the outer circle of the drive rod are provided with outer
Screw thread, the distribution block are that circumferentially single-degree-of-freedom reciprocatingly slides the arc distribution block of setting, and the lateral wall of the drive rod is set
It is equipped with the driving cog engaged with the outer bolt；The driver can in drive rod transmission cooperation control motor, pass through by
Signal input control motor is controlled, the corner of motor control drive rod 77 is controlled, and then realizes that distribution block circumferential position is adjusted, is driven
Dynamic structure is simple and stable transmission.
It further include center carrying axle 5 in the present embodiment, the first rotor 21 and the second rotor 22 is central axial is respectively provided with
There is a cylindrical hole, the center carrying axle 5 is by being placed on the first rotor 21 and the second rotor 22 and to turning in the segmentation of Correspondent cy linder hole
Sub- rotational positioning；The center carrying axle 5 is arranged between V shape bar, center carrying axle 5 and the first rotor 21 and the second rotor 22
There is bearing, is avoided by the setting of center carrying axle 5 conducive to the stability for improving the first rotor 21 and the rotation of the second rotor 22
Piston rod 33 is conducive to drive smooth, transmission efficiency raising by unfavorable torque.
The end of the piston rod 33 is fixedly installed piston erection joint 34, and piston is pacified by axial direction positioning device 38
Loaded on 34 top of piston erection joint, activity surplus 37 has been disposed radially relative to corresponding piston erection joint 34；As schemed
Show, the axial direction positioning device 38 is used for axial restraint piston, and the piston has been disposed radially with piston erection joint 34
Activity surplus, when radial displacement occurs for piston rod 33, piston rod 33 does not radially transmit radial load to piston, only passes
Axial load is passed, piston side wall stress is reduced or eliminated, to reduce the friction and piston deformation of piston and casing wall, improves transmission
Efficiency and improvement piston and cylinder sleeve matching relationship.
The first cylinder 31a inner wall and the second cylinder 32a inner wall are provided with for the radial load of loading piston connecting rod 33
The piston rod bearing 36 of lotus, piston rod 33 is realized by 33 bearing of piston rod matches with the inner wall cylindrical pair of corresponding cylinder
It closes；As shown, the piston rod bearing 36 includes the retainer 36c of outer ring 36a, ball 36b and loop overlapping shape；The outer ring
Inner circle is recessed the annular positioning groove to be formed for axially position installation retainer, the axial ends of the annular positioning groove slot bottom point
Two annular guide grooves Ao Xian not be formed, the reflux pilot hole 36d of the annular guide groove of connection two is axially provided in the outer ring, is protected
It holds and opens up the bar shaped limited mouth for limiting to ball along axial direction among frame, the reflux pilot hole and bar shaped limited mouth are circumferentially
It is set as multiple, the ball is multiple and is filled in annular guide groove, reflux pilot hole and bar shaped limited mouth；It is limited positioned at bar shaped
Ball in the mouth of position presses on the outer circle of piston rod radially inward, conducive to piston rod relative to the rotation of corresponding cylinder and
It slides axially, is conducive to improve piston rod kinetic stability and antiwear property.
In the present embodiment, the outer end face center of the outer end face center of the first rotor 21 and the second rotor 22 is respectively along certainly
The axially extending extended segment (including first extended segment 21b and the second extended segment 22b) for forming stretching body 1 of body, and respectively as
The input/output axis of rotor driving, the first rotor 21 and the second rotor 22 are installed on body 1 by thrust bearing respectively
It is interior；Extended segment shortens axle body length, alleviates construction weight, and opposite crankshaft greatly simplifies structure.
Piston stroke determines by cylinder eccentricity and the angle, and enabling the angle of the rotor mounting axis is α, described in order
Cylinder eccentricity is R, then corresponds to stroke l=2 × R × cot (α/2) of piston, and enabling pistons work diameter is r, and each piston is compiled
It number is i, piston sum is n then displacement volume
The piston rod 33 and center carrying axle 5 are V shape pole.
In the present embodiment, the cylindrical hole inner wall and center carrying axle 5 are correspondingly arranged on bearing installation step 51, and pacify
Thrust bearing 52 and transverse bearing 53 are filled, realizes the rotor axial position positioning and radial carrying；The accommodating chamber 4 is closing
Chamber simultaneously is used to encapsulate cooling-lubricant；It is conducive to guarantee rotor axial and radial stabilization by thrust bearing 52 and transverse bearing 53
Property it is high, maintain spatial relation.
In the present embodiment, the rotor assembly is provided with magnet 61 or armature, and the body is provided with armature 62 or magnetic
Body makes to form electric drive mechanism or power generation mechanism between rotor assembly and body；The structure height has constructed the gas of one
The mixed dynamic structure of electricity, keeps electromechanical mixed flowing mode more compact, efficient, optimizes Machinery electricity matching relationship, enhance the electrodynamic coupling of gas
Can, simplify system, improves power to weight ratio.
In the present embodiment, oval external chute 5a is arranged in the intermediate outer circle V-arrangement angular bisector direction of the center carrying axle 5,
Oval internal chute 4a is arranged in cavity wall V-arrangement angular bisector direction among the accommodating chamber, and the intermediate V-arrangement angle of the piston rod 3 is flat
The conformal matching carrying axle of loading bearing 3a, the ellipse internal chute 4a and oval external chute 5a is arranged in separated time direction
3a motion profile is held, and tangent with the loading bearing 3a.As shown, the structure can advanced optimize piston rod
Load transmission and structural stability.
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 air-driven type birotor piston driver, it is characterised in that: including body, rotor assembly, piston component and match
Mechanism of qi structure；Along axial V-shaped accommodating chamber, rotor assembly is dual-rotor structure for body setting, including the first rotor and the
Two rotors are rotatably dispose in V-arrangement accommodating chamber both ends, and respectively corresponding eccentric setting in the first rotor and the second rotor has the first cylinder
With the second cylinder；The piston component includes the first piston being set in the first cylinder, be set in the second cylinder second
Piston and both ends connect the piston rod of first piston and second piston respectively in axial direction, and the piston rod is and accommodating chamber phase
The identical v-shaped structure in position；
The valve actuating mechanism includes air intake duct, exhaust duct and distribution block, the distribution block can be formed by driving reciprocatingly slide to
The aperture of air intake duct or exhaust duct is adjusted, so that air intake duct and exhaust duct and corresponding cylinder alternate communication, completion gas air-breathing
Compression or acting exhaust process.
2. air-driven type birotor piston driver according to claim 1, it is characterised in that: past by control distribution block
The multiple connection phase difference slided and then control air intake duct or exhaust duct and corresponding cylinder；The air intake duct and exhaust duct annularly divide
It is respectively corresponded between cloth and air intake duct and exhaust duct both ends and is provided with the first isolated area and the second isolated area, first isolation
Area and the second isolated area are corresponding with piston top dead center and piston lower dead center respectively.
3. air-driven type birotor piston driver according to claim 2, it is characterised in that: the air intake duct and exhaust
Road is arc and of different size, and the distribution block is arc block, and the conformal sliding in one end of the arc block is embedded in the air inlet
In road or exhaust duct.
4. air-driven type birotor piston driver according to claim 1, it is characterised in that: further include matching for controlling
The control assembly of air parcel, the control assembly include the drive rod of single-degree-of-freedom rotation setting and rotate for controlling drive rod
Driver, the outer circle of the drive rod are provided with external screw thread, and the distribution block is that circumferentially single-degree-of-freedom reciprocatingly slides setting
Arc distribution block, the lateral wall of the distribution block are provided with the driving cog engaged with the outer bolt.
5. air-driven type birotor piston driver according to claim 1, it is characterised in that: further include center carrying
Axis, the first rotor and the second rotor center are axially provided with cylindrical hole, the center carrying axle by bearing inner sleeve in
The first rotor and the second rotor Correspondent cy linder hole are segmented and to rotor rotational positioning.
6. air-driven type birotor piston driver according to claim 1, it is characterised in that: the end of the piston rod
Portion is fixedly installed piston erection joint, and piston is installed on piston erection joint top by axial direction positioning device, relative to right
Piston erection joint is answered to be disposed radially activity surplus, the axial direction positioning device is installed on piston base, to piston axial direction
Positioning；First cylinder inner wall and the second cylinder inner wall are provided with the piston rod for loading piston connecting rod radial load
Bearing, piston rod realize that piston rod cooperates with the inner wall cylindrical pair of corresponding cylinder by piston rod bearing.
7. air-driven type birotor piston driver according to claim 1, it is characterised in that: outside the first rotor
End face center and bitrochanteric outer end face center are made respectively respectively along itself axially extending extended segment for forming stretching body
Pass through thrust bearing respectively for the input or output shaft, the first rotor and the second rotor of rotor driving and be installed in body；
First cylinder and the second cylinder are respectively set to multiple, each group of the first cylinder and the second cylinder along the circumferential direction of respective rotor
Between be provided with piston component.
8. air-driven type birotor piston driver according to claim 7, it is characterised in that: the piston rod bearing
Retainer including outer ring, ball and loop overlapping shape；The outer ring inner circle be recessed to be formed for axially position installation retainer ring
Shape locating slot, the axial ends of the annular positioning groove slot bottom is recessed respectively forms two annular guide grooves, axial in the outer ring
It is provided with the reflux pilot hole of the annular guide groove of connection two, the bar shaped for limiting to ball is opened up along axial direction among retainer and limits
Position mouth, the reflux pilot hole and bar shaped limited mouth are circumferentially arranged to be multiple, and the ball is multiple and be filled in annular and lead
To slot, reflux pilot hole and bar shaped limited mouth.
9. air-driven type birotor piston driver described in -9 any claims according to claim 1, it is characterised in that: institute
It states rotor assembly and is provided with magnet or armature, the body is provided with armature or magnet, makes to be formed between rotor assembly and body
Electric drive mechanism or power generation mechanism, to build electromechanical mixed dynamic device.
10. air-driven type birotor piston driver according to claim 6, it is characterised in that: the center carrying axle
Oval external chute is arranged in intermediate outer circle, the oval internal chute of cavity wall setting among the accommodating chamber, among the piston rod
Setting loading bearing, the ellipse internal chute and the conformal matching loading bearing motion profile of oval external chute, and with
The loading bearing is tangent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810863539.8A CN108979995B (en) | 2018-08-01 | 2018-08-01 | Air-driven type birotor piston driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810863539.8A CN108979995B (en) | 2018-08-01 | 2018-08-01 | Air-driven type birotor piston driver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108979995A true CN108979995A (en) | 2018-12-11 |
| CN108979995B CN108979995B (en) | 2019-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810863539.8A Active CN108979995B (en) | 2018-08-01 | 2018-08-01 | Air-driven type birotor piston driver |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| SU1731981A1 (en) * | 1985-04-02 | 1992-05-07 | Ленинградский механический институт | Axial-piston hydraulic machine |
| DE10154723A1 (en) * | 2000-11-10 | 2002-10-31 | Parker Hannifin Corp | Axial piston pump has vanes in cylinder protruding radially outwards and finishing with radially outer edge adjacent to inner wall surface of cylinder chamber, and when cylinder rotates vanes effect pre-compression of fluid |
| CN102162434A (en) * | 2011-05-06 | 2011-08-24 | 庄森 | Double-cylinder plunger pump |
| CN102943752A (en) * | 2012-11-15 | 2013-02-27 | 上海电气液压气动有限公司 | Displacement-adjustment driving mechanism for hydraulic pump |
-
2018
- 2018-08-01 CN CN201810863539.8A patent/CN108979995B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| SU1731981A1 (en) * | 1985-04-02 | 1992-05-07 | Ленинградский механический институт | Axial-piston hydraulic machine |
| DE10154723A1 (en) * | 2000-11-10 | 2002-10-31 | Parker Hannifin Corp | Axial piston pump has vanes in cylinder protruding radially outwards and finishing with radially outer edge adjacent to inner wall surface of cylinder chamber, and when cylinder rotates vanes effect pre-compression of fluid |
| CN102162434A (en) * | 2011-05-06 | 2011-08-24 | 庄森 | Double-cylinder plunger pump |
| CN102943752A (en) * | 2012-11-15 | 2013-02-27 | 上海电气液压气动有限公司 | Displacement-adjustment driving mechanism for hydraulic pump |
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| CN108979995B (en) | 2019-12-03 |
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