CN104612963B - Rotating device suitable for high pressure scene and mechanical device using rotating device - Google Patents
Rotating device suitable for high pressure scene and mechanical device using rotating device Download PDFInfo
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- CN104612963B CN104612963B CN201410776253.8A CN201410776253A CN104612963B CN 104612963 B CN104612963 B CN 104612963B CN 201410776253 A CN201410776253 A CN 201410776253A CN 104612963 B CN104612963 B CN 104612963B
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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
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C1/00—Rotary-piston machines or engines
- F01C1/08—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
- F01C1/10—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/10—Outer members for co-operation with rotary pistons; Casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B53/00—Internal-combustion aspects of rotary-piston or oscillating-piston engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B55/00—Internal-combustion aspects of rotary pistons; Outer members for co-operation with rotary pistons
- F02B55/08—Outer members for co-operation with rotary pistons; Casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C2/00—Rotary-piston engines
- F03C2/22—Rotary-piston engines of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth- equivalents than the outer member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/10—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth equivalents, e.g. rollers, than the inner member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention provides a rotating device applied to high pressure scene and a fluid flow machine using the rotating device, in the rotating device, an eccentric axis moving cavity and a piston moving cavity are separated, a bearing can be arranged in the axial direction of the eccentric axis moving cavity, due to the axial length of the eccentric axis moving cavity is greater than the axial length of the piston moving cavity, bearing arrangement number and flexibility are can be n expanded in great space, multi-bearing withstanding pressure is naturally increased, pressure bearing capacity of the fluid flow machine using the rotating device is greatly improved, the rotating device can be applied to the high pressure scene, and the rotating device has practical work life.
Description
Technical field
The present invention is with regard to mechanical field, more particularly, to a kind of tumbler being applied to high pressure scene and the machine applying it
Tool device, such as pump, compressor, fluid motor and engine.
Background technology
In order to improve the recovery ratio in oil field, early flooding is proved to be very effective method.Permissible by early flooding
Improve strata pressure, make oil reservoir have strong Flooding Conditions, higher formation pressure can be kept, thus it is high to reach oil field
Produce the purpose of stable yields.
In the last few years, the exploitation of shale oil and shale gas was rapidly flourishing.Exploitation shale oil and shale gas most common method
For hydrofracturing method, will be in water under high pressure (being often mixed with chemical substance) injection oil well, being discharged by the oil and gas of trap
Out.At present, there are about shale oil more than half and shale gas exploitation adopts hydrofracturing method.
The either above-mentioned oil field early flooding referring to, the exploitation of shale oil/shale gas, or desalinization, engineering machine
The other fields such as tool, high-pressure pump technology all plays an important role, and it has become as the pass that restriction production efficiency improves further
Key factor.There are various high-pressure pumps, for example: plunger displacement pump, reciprocating pump, screw pump, eccentric rotor in prior art
Pump etc..
Present applicant on January 15th, 2013 have submitted a patent application (application number:
201310030773.x).In this part of patent application, applicant provide a kind of star rotating type rotating device and the rotor applying it
Formula compressor and fluid motor.Fig. 1 a is the vertical section schematic diagram of prior art rotor formula compressor.Fig. 1 b is to turn shown in Fig. 1 a
Minor compressor is along the sectional view in a-a face.As illustrated in figs. ia and ib, this rotor-type compressor includes: cylinder body 110, front/rear end
Lid (120,130), main shaft 200, eccentric rotor assembly 300 and interrupter 400.Wherein, cylinder body 110 with positioned at its both sides
Front/rear end cap (120,130) limits a cylindrical cavity.Main shaft 200 is rotatably supported, portion by front/rear end cap (120,130)
Ground is divided to be located in cylindrical cavity, the central axes of its center axis and cylinder body 110.Eccentric rotor assembly 300 is sheathed on
Main shaft 200 is located at the part of cylindrical cavity, comprising: eccentric shaft 310, rolling piston wheel 330 and two rolling bearings 320.Its
In, eccentric shaft 310 is sheathed on the part that main shaft 200 is located at cylindric inner chamber, and its center axis are flat with the central axis of main shaft 200
Row and the predeterminable range that staggers.Rolling piston wheel 330 is sheathed on eccentric shaft 310, the central shaft of its center axis and eccentric shaft 310
Line overlaps.Two rolling bearings 320, are symmetrically sheathed on eccentric shaft 310, its inside race is fixed on eccentric shaft 310, its overcoat
Circle is fixed on rolling piston wheel 330, to completely cut off both rotations, pre- between two rolling bearings 320 and rolling piston wheel 330
Rolling piston wheel 330 is pressed in the inner cylinder face of cylindrical cavity by tight elastic force, makes inner cylinder face and the rolling of cylindrical cavity
The external cylindrical surface of piston wheel 330 forms axially extended sealed chamber.Sealed chamber is divided into mutually only by interrupter 400
Vertical first chamber and second chamber, this first chamber and second chamber respectively with first group of through hole being arranged on cylinder body 110 and
Second group of through hole is connected.
For star-rotary-type compressor shown in for Fig. 1 a, Fig. 1 b, it is between eccentric shaft and rolling piston wheel using rolling
Dynamic bearing.After rolling bearing, rotor compressor is just expected to realize non-oil ultra high vacuum system and lacks oiling in other words, is just expected to overcome because in a large number
The shortcomings being brought using lubricating oil, so that this structure can be in large-scale compressor, air compressor machine, the application of pump field.
However, the high pressure water-injection pump using for such as oil field, due to the presence of high pressure factor, said structure occurs asks
Inscribe and can not use.Taking the dual-faced roller bearing of model a kind of on market as a example.As shown in Fig. 2 the height of this dual-faced roller bearing
Spend for 50mm, external diameter is 180mm, internal diameter is 130mm.Length l of hypothesis piston is 6.6cm, and radius r is 28cm, operating air pressure p
For 20mpa (200kgf/cm2), eccentric throw l of eccentric rotor is 5mm (i.e. 0.005m), and the rotating speed n of pump is 740rev/min, by
In the restriction of cavity space axial distance, 1 rolling bearing can only be set, then:
Piston area s=28 × 6.6=184.8cm2
Piston thrust f=p × s=100kgf/cm2×184.8cm2=18480kgf
Rotor torque m=l × f=0.005m × 18480kgf=906.444n-m
The load f=18480kgf that this 1 rolling bearing is born
The basic dynamic load c=27900kgf of bearing
Velocity coeffficient fn=(33.3/n) 3/10=0.394
Life factor fh=(33.3/n) 3/10 × c/f=0.394 × 27900/18480=0.5948
Life time h=500 × fh10/3=500 × (0.5948) 10/3=500 × 0=88.5h
It can be seen that, because the piston space of inner chamber of cylinder block is very narrow and small, 1 nnu4926 bearing can only be accommodated.Turn for eccentric
For sub- tumbler, because the pressure that rolling bearing is carried is excessive, lead to its life time to be only 88.5h, much reach not
To practical requirement.
At present, one kind urgently occurs in the industry and there is larger space to accommodate more multiple bearing to bear elevated pressures, thus having
There is the high-pressure pump of adequate service life.
Content of the invention
(1) technical problem to be solved
In view of above-mentioned technical problem, the invention provides a kind of tumbler and the mechanical device applying it, it can be answered
For under high pressure scene, and there is working life that can be practical.
(2) technical scheme
According to an aspect of the invention, it is provided a kind of tumbler.This tumbler includes: cylinder body 110, front and back end
Lid (120,130), main shaft 200, eccentric rotary assembly 300, interrupter 400.Wherein, cylinder body 110 and front and rear cover (120,
130), three limits an inner chamber jointly, and this inner chamber is divided into two parts of central axes, and Part I is cylindrical chamber, makees
For eccentric shaft motion chamber；Part II be Part I inwall towards the outside annular chamber that formed of depression, as piston
Motion chamber.Main shaft 200, is rotatably supported by cylinder body 110 and/or front and rear cover (120,130), is partly located in inner chamber, its
Central axis and the central axes in eccentric shaft motion chamber.Eccentric rotary assembly 300 includes: eccentric shaft 310, is sheathed on main shaft
200 parts being located at inner chamber, the centerline axis parallel of its center axis and main shaft 200 and the predeterminable range that staggers；Rolling piston wheel
330, comprising: sleeve part 331 and piston portion 332, the cylindrical construction of sleeve part 331, it is sheathed on the outside of eccentric shaft 310；Live
Piston part 332 is in annulus columnar structure, is sheathed on the outside of sleeve part 331, and its axial length is equal to the axial length in piston movement chamber,
Its side contacts sealing with the two sides in piston movement chamber, and wherein, eccentric shaft 310 and sleeve part 331 are in eccentric shaft motion chamber
Motion, and move in piston movement chamber at least part of position of piston portion 332, the inner cylinder face in piston movement chamber and piston portion
Form axially extended crescent sealed chamber between 332 external cylindrical surface；And at least one bearing 320, it is arranged at bias
Between the sleeve part 331 of axle 310 and rolling piston wheel, in the axial range in eccentric shaft motion chamber.Interrupter 400, by crescent moon
Shape sealed chamber is divided into separate first chamber and second chamber, this first chamber and second chamber respectively be arranged on
First group of through hole on cylinder body and second group of through hole are connected.
According to another aspect of the present invention, additionally provide a kind of pump.This pump includes above-mentioned tumbler, wherein: the
One chamber is entrance cavity 411, and it is connected with fluid inlet by the suction through hole 412 being opened on cylinder body；Second chamber is
Outlet plenum 413, it is connected with fluid issuing by the discharge through hole 414 being opened on cylinder body.
According to a further aspect of the invention, additionally provide a kind of compressor.This compressor includes above-mentioned tumbler,
Wherein: second chamber is suction chamber, and it is connected with low pressure compressed media input port by second group of through hole being opened on cylinder body
Logical；First chamber is compression chamber, and it is connected with high pressure compressed medium outlet by first group of through hole being opened on cylinder body.
According to a further aspect of the invention, additionally provide a kind of fluid motor.This fluid motor includes above-mentioned rotation
Device, wherein: second chamber is acting chamber, and it is connected with high-pressure fluid import by second group of through hole being opened on cylinder body
Logical；First chamber is to discharge chamber, and it is connected with low pressure fluid output by first group of through hole being opened on cylinder body.
According to a further aspect of the invention, additionally provide a kind of engine.This engine includes above-mentioned tumbler,
Wherein: second chamber is by the second group of through hole and the combustion chamber that are opened on cylinder body；First chamber is by being opened in cylinder
First group of through hole on body is connected with outlet port.
(3) beneficial effect
From technique scheme as can be seen that the tumbler of present invention application high pressure scene and the fluid machinery applying it
Have the advantages that
(1) eccentric shaft motion chamber is separated with piston movement chamber, bearing can be axially arranged in eccentric shaft motion chamber, by
In eccentric shaft move chamber axial length be more than piston movement chamber axial length, thus bearing setting quantity and flexibility ratio all have
Very big spatial expansion, the pressure that multiple bearings can bear increases naturally, and then apply the fluid machinery of this tumbler
Bearing capacity be greatly improved, high pressure scene can be applied to, and there is working life that can be practical；
(2) due to having larger eccentric shaft motion chamber, thus counterweight easily facilitates arrangement, can preferably mitigate
The problem of the momentum imbalance being caused due to tumbler eccentric rotary, is more conformed to accurate engineering principle, behaves and shake
Dynamic little, noise is low；
(3) under general scene, using multiple rolling bearings enough, and in super-pressure pump, planetary piston wheel is held
The super-pressure load being subject to can be born with hydrostatic bearing, and work is more reliable.
Brief description
Fig. 1 a is the vertical section schematic diagram of prior art rotor formula compressor；
Fig. 1 b is rotor-type compressor shown in Fig. 1 a along the sectional view in a-a face；
Fig. 2 is the schematic diagram of bearing life time model；
Fig. 3 is the vertical section sectional view according to embodiment of the present invention eccentric rotator type pump
Fig. 4 a and Fig. 4 b is respectively the sectional view in two state lower edge a-a faces for the eccentric rotator type pump shown in Fig. 3；
Fig. 5 is the schematic diagram of the pump adopting hydrostatic bearing according to another embodiment of the present invention；
Fig. 6 is the schematic diagram of stopcock piece in the interrupter of eccentric rotator type pump shown in Fig. 3；
Fig. 7 be according in another embodiment of the present invention by the schematic diagram of eccentric shaft and bearing integrated.
Specific embodiment
For making the object, technical solutions and advantages of the present invention become more apparent, below in conjunction with specific embodiment, and reference
Accompanying drawing, the present invention is described in more detail.It should be noted that in accompanying drawing or specification describe, similar or identical portion
Divide all using identical figure number.The implementation not illustrating in accompanying drawing or describing, is those of ordinary skill in art
Known form.In addition, though the demonstration of the parameter comprising particular value can be provided herein, it is to be understood that parameter need not definitely etc.
It is worth in corresponding, but can be similar to be worth accordingly in acceptable error margin or design constraint.Mention in embodiment
Direction term, for example " on ", D score, "front", "rear", "left", "right" etc., be only the direction of refer to the attached drawing.Therefore, the side of use
It is used to explanation to term not for limiting the scope of the invention.
In the present invention, eccentric shaft motion chamber is separated with piston movement chamber, thus greatly having widened eccentric shaft and planet
The installation space of the bearing between piston wheel, disclosure satisfy that the demand of various high-pressure machinery device.For purposes of illustration only, now by this
The bright reference corresponding to each element being related to is listed below:
110- cylinder body；
111- cylinder body body；112- front end housing；
113- back cylinder cover；
120- drive end bearing bracket；130- rear end cap；
140- cylinder head；
200- main shaft；
210- first main shaft bearing；220- second main shaft bearing；
300- eccentric rotor assembly；
310- eccentric shaft；
320- rolling bearing；
330- rolling piston wheel；
331- sleeve part；332- piston portion；
333- Packing spring；334- side seal；
335- elastic ring；
340- counterweight block；
350- hydrostatic bearing；
351- fuel oil supply nozzle；
400- interrupter；
410- stopcock body；
420- entrance cavity；421- sucks through hole；
430- outlet plenum；431- discharges through hole.
Each embodiment of the present invention will be described in detail respectively below.
First, tumbler
First, the invention provides a kind of tumbler, this tumbler includes: cylinder body, front/rear end cap, main shaft, bias
Rotor assembly, rolling piston wheel and interrupter.
Cylinder body and front and rear cover common restriction one inner chamber, this inner chamber is divided into two parts of central axes, Part I
For cylindrical chamber, move chamber as eccentric shaft；Part II be Part I inwall towards the outside ring that formed of depression
Shape chamber, as piston movement chamber.
Main shaft is rotatably supported by cylinder body and/or front and rear cover, is partly located in inner chamber, its center axis and eccentric shaft
The central axes in motion chamber.
Eccentric rotary assembly includes: eccentric shaft, is sheathed on the part that main shaft is located at inner chamber, in its center axis and main shaft
Heart diameter parallel and the predeterminable range that staggers.
Rolling piston wheel, comprising: sleeve part and piston portion, the cylindrical construction of sleeve part, it is sheathed on the outside of eccentric shaft；
Piston portion is in annulus columnar structure, is sheathed on the outside of sleeve part, and its axial length is equal to the axial length in piston movement chamber, its side
Face contacts sealing with the two sides in piston movement chamber, and wherein, eccentric shaft and sleeve part move in eccentric shaft motion chamber, and piston
Move in piston movement chamber at least part of position in portion, between the inner cylinder face in piston movement chamber and the external cylindrical surface of piston portion
Form axially extended crescent sealed chamber.And at least one bearing, it is arranged at eccentric shaft and the sleeve of rolling piston wheel
Between portion, in the axial range in eccentric shaft motion chamber.
Crescent sealed chamber is divided into separate first chamber and second chamber by interrupter, this first chamber
It is connected with first group of through hole being arranged on cylinder body and second group of through hole respectively with second chamber.For different fluid machines
Tool, this first chamber, second chamber, first group of through hole, second group of through hole all have different designs, and these contents will be specific
Illustrate in mechanism.
In the present embodiment, eccentric shaft motion chamber is separated with piston movement chamber, the axial length in eccentric shaft motion chamber is more than
The axial length in piston movement chamber, and bearing can be axially arranged in eccentric shaft motion chamber, thus arranging quantity and flexibility ratio
All there is very big spatial expansion.
In this tumbler, in every group of through hole, the quantity of through hole can be 1 or multiple.And, bearing is permissible
It is rolling bearing or hydrostatic bearing.And rolling bearing can move for roller bearing, ball bearing, needle bearing, air
Mechanics rolling bearing or composite bearing.Wherein it is preferred that bearing is symmetrical set.Herein symmetrical, refers to relatively
In following plane symmetry: this plane crosses the axis centre of piston portion, and the axis perpendicular to piston portion.
The present embodiment tumbler can apply in the fluid machineries such as compressor, fluid motor.Hereinafter correspondence is used
State pump, compressor, fluid motor and the engine of tumbler, especially pump, be described in detail.By the following description,
Those skilled in the art should have to the tumbler of the present invention and are more apparent from.
2nd, pump
In one exemplary embodiment of the present invention, there is provided a kind of pump.Fig. 3 is vertical according to embodiment of the present invention pump
To sectional view.Fig. 4 a and Fig. 4 b is respectively the sectional view in two state lower edge a-a faces for the pump shown in Fig. 3.Refer to Fig. 3, Fig. 4 a
With Fig. 4 b, this pump includes: cylinder body 110, front and rear cover (120 and 130), main shaft 200, eccentric rotor assembly 300 and interrupter
400.
Individually below each part of the present embodiment eccentric rotator type pump is described in detail.
Refer to Fig. 3, cylinder body 110 includes cylinder body body 111, be separately positioned on this front/rear end face of cylinder body body 111 before
Cylinder cap 112 and back cylinder cover 113.In the predeterminated position in cylinder body body 111 outside, generally top, cylinder head 140 is set.Subsequently
The stopcock body of interrupter and its resetting-mechanism, suck through hole 421, discharge through hole 431 all to should cylinder head 140 position
It is configured, these contents will become clear from the description below.
Cylinder body 110 and front and rear cover (120,130), three limits an inner chamber jointly, and this inner chamber is divided into central axes
Two parts, Part I is cylindrical chamber, Part II be Part I inwall towards the outside ring that formed of depression
Shape chamber.Wherein, this cylindrical chamber is referred to as eccentric shaft motion chamber, and the activity of its sleeve part as eccentric shaft and rolling piston wheel is empty
Between.Annular chamber is referred to as piston movement chamber, the activity space of its piston portion as rolling piston wheel.These contents will hereinafter
It is described in detail.
In the present embodiment, piston movement chamber is located in the middle part of the axial direction in piston movement chamber, but the present invention is not limited thereto, should
The position in piston movement chamber can move left and right, the left side even on cylindrical chamber or right side, all can realize the present invention, but
This will bring the uneven problem of shaft strength, does not recommend to adopt.
For the convenience subsequently stated, inner chamber is radially divided into eccentric shaft motion chamber and piston movement according to its function
Chamber.However, it is also possible to make a distinction to the various pieces of this inner chamber vertically, that is, it is divided into left side cavity, intermediate cavity from left to right
And right-side cavity.Wherein, left side cavity is identical with the radius of right-side cavity, and the radius of intermediate cavity is then big than the radius in this two chambeies.Need
It is noted that the axial length of left side cavity and right-side cavity can be identical or different, the radius of left side cavity and right-side cavity can also
Difference, all can be by user's sets itself as needed.
Main shaft 200 is rotatably supported by front and rear cover (120,130), is partly located in described inner chamber, its center axis
Central axes with eccentric shaft motion chamber.The Part I of main shaft 200 is located at outside inner chamber, connects with external power source, will
The moment of torsion of external power source input transmits to inner chamber；Part II is located in inner chamber, using the moment of torsion band of external power source input
Dynamic eccentric rotor assembly 300 rotates.
For reducing friction, be respectively provided between main shaft 200 and in front and back cylinder cap (112 and 113) the first main shaft bearing 210, the
Two main shaft bearings 220.This first main shaft bearing 210 and the second main shaft bearing 220 pass through drive end bearing bracket 120 (or rear end cap 130) and determine
Position.Wherein, the first main shaft bearing 210 preferably employs high bearing capacity, long-life, high-precision tapered roller bearing, to ensure
The gap precision in rotor side surface and cylinder cap face is controlled.
It should be noted that, although main shaft 200 is by front end housing 112 and the rotatable twelve Earthly Branches of back cylinder cover 113 in the present embodiment
Support, but it can also be supported by front/rear end cap (120,130) is rotatable.In addition although in the present embodiment main shaft only have one end
Stretch out outside cylindrical cavity, but, the present invention equally includes main shaft two ends and stretches out outside cylindrical cavity, simultaneously defeated by the left and right sides
Enter the situation of moment of torsion.How the clear technique scheme that those skilled in the art should will be apparent that is realized, and here is omitted.
As shown in Figure 1a, eccentric rotor assembly 300 includes: eccentric shaft 310, rolling piston wheel 330 and be located between the two
Bearing 320.By adopting bearing between eccentric shaft and rolling piston wheel, it is to avoid dependence to lubricating oil, overcome because
A large amount of shortcomings being brought using lubricating oil.Under the drive of main shaft, eccentric shaft 310, rolling piston wheel 330 are in inner chamber
Roll.
Eccentric shaft 310 is sheathed on the part that main shaft 200 is located at cylindrical chamber, the central shaft of its center axis and main shaft 200
Line is parallel and the predeterminable range that staggers.The axial length of this eccentric shaft 310 is more than the axial length in piston movement chamber, and is less than or waits
Axial length in cylindrical chamber.Depending on the size of degree of eccentricity e of eccentric shaft 310 is according to compressor displacement, such as when discharge capacity is
4.5mm is taken, discharge capacity is bigger, and degree of eccentricity e is bigger during 53c.c.
Rolling piston wheel 330 can be divided into two parts, i.e. sleeve part 331 and piston portion 332.Sleeve part 331 is cylindrical
Construction, is sheathed on the outside of eccentric shaft 310, and piston portion 332 is in annulus columnar structure, is sheathed on the outside of sleeve part 331.Wherein,
The axial length of sleeve part 331 is less than or equal to the axial length of eccentric shaft 310.The axial length of piston portion 332 is equal to piston
The axial length in motion chamber, its side contacts sealing with the two sides in piston movement chamber.
In the course of the work, eccentric shaft and sleeve part move all the time in eccentric shaft motion chamber, and at least portion of piston portion
Divisional then moves in piston movement chamber, thus being formed between the inner cylinder face in piston movement chamber and the external cylindrical surface of piston portion
Axially extended crescent sealed chamber.
In the present embodiment, the outer ledge of sleeve part 331 of planetary piston wheel and eccentric shaft move chamber inside edge it
Between distance be more than or equal to 1mm, thus in the course of the work, both are not in contact with and, the half of this sleeve part (and eccentric shaft)
Footpath can reduce further, and the present invention does not limit to its radius.
Piston portion in order to avoid planetary piston wheel comes off from piston movement chamber, and ensures piston portion and both sides piston fortune
The sealing in dynamic chamber, therefore in the course of the work, piston portion both sides and piston movement chamber radially contact with distance it has to be ensured that big
In equal to 3mm, preferably greater than or equal to 5mm.
It should be noted that in the present embodiment, sleeve part 331 and piston portion 332 are detached two parts.But at this
In bright other embodiment, the global facility that both can also make, that is, both integration systems are standby.In view of difficulty of processing
With many factors such as cost, preferably both separate machined being socketed, the both sides setting elastic ring 335 of both contacts site
To mitigate friction, and compensation vibration, as shown in Figure 3 and Figure 5.
In order to ensure the sealing between the two sides of piston portion 332 and the two sides in piston movement chamber, in piston portion 332
The position fluting that two sides are contacted with piston movement chamber, and the predeterminated position in trench bottom opens up through hole vertically.In through hole
Packing spring 333 is installed, side seal 334 is installed in groove.Thus rotating in piston movement chamber in piston portion 332
During, in the presence of Packing spring 333, side seal 334 side touching piston movement chamber tightly all the time, real
Existing piston portion and the positive sealing of piston movement chamber two sides.
It should be noted that this side seal 334 is in the form of sheets, the wear-resisting and low material system of coefficient of friction can be adopted
Standby, such as bronze-graphite material, polytetrafluoroethylene (PTFE) (ptfe), polyether-ether-ketone (peek) or antifriction alloy etc..Additionally, sealing
Spring can also be replaced using elastic component, for example air spring, elastic caoutchouc rod.And, it would however also be possible to employ in piston portion 332
The bottom of two sides groove opens up disconnected blind hole respectively, is respectively provided with elastic component in blind hole.Even, in processing essence
Degree is required to meet in the case of realizing reliably sealing between the two sides of piston portion 332 and piston movement chamber, side seal,
The parts such as elastic component can also omit.
In the present embodiment, between eccentric shaft 310 and rolling piston wheel sleeve portion 331, the axial model in eccentric shaft motion chamber
In enclosing, it is provided with 5 rolling bearings 320.The pressure that this 5 rolling bearing shareds are conducted by piston portion 332.These
Rolling bearing can be roller bearing, ball bearing, needle bearing, aerodynamics rolling bearing or composite bearing.
The same scene to mention in background technology, that is, length l of piston is 6.6cm, and radius r is 28cm, operating air pressure p
For 20mpa (200kgf/cm2), eccentric throw l of eccentric rotor is 5mm (i.e. 0.005m), and the rotating speed n of eccentric rotator type pump is
As a example 740rev/min, when applying the technical scheme of the present embodiment, then
Piston area s=28 × 6.6=184.8cm2
Piston thrust f=p × s=100kgf/cm2×184.8cm2=18480kgf
Rotor torque m=l × f=0.005m × 18480kgf=906.444n-m
The load f=18480kgf that rolling bearing is born
The basic dynamic load c=27900 × 5=139500kgf of bearing
Velocity coeffficient fn=(33.3/n) 3/10=0.394
Life factor fh=(33.3/n) 3/10 × c/p=0.394 × 139500/18980=2.8958
Life time h=500 × fh10/3=500 × (2.8958) 10/3=500 × 34.612=17306h
Via above-mentioned calculating, the life time of the present embodiment rolling bearing is 17306 hours (continuous work 2 years),
The needs of oil field practice application are substantially met.
It should be noted that in the present invention, the quantity of rolling bearing is also not necessarily limited to 5 that the present embodiment is limited, and can
To be symmetrical set multiple, for example: 3～10.
In the case of higher pressure, rolling bearing can not meet requirement, in this case, then needs to introduce
Hydrostatic bearing.Fig. 5 is the schematic diagram of the eccentric rotator type pump adopting hydrostatic bearing according to another embodiment of the present invention.As Fig. 5 institute
Show, between the sleeve part 331 of eccentric shaft 310 and rolling piston wheel, hydrostatic bearing 350 is set.This hydrostatic bearing passes through setting
Hydrostatic bearing fuel oil supply nozzle 351 outside cylinder body adopts the static-pressure oil chamber fuel feeding to hydrostatic bearing for the high-pressure oil passage system, and work can
Lean on.
In the design of traditional eccentric rotator type pump, the interior chamber size of eccentric rotor construction is particularly compact, leads to bearing
Setting is greatly limited to, or adopting oil lubrication, or using little bearing, effect is limited.And in the present embodiment,
Eccentric shaft motion chamber is separated with piston movement chamber, the axial length in eccentric shaft motion chamber is far longer than the axial direction in piston movement chamber
Length, and bearing can set gradually in the move axial direction in chamber of eccentric shaft, thus quantity is set and flexibility ratio all have very big
Improve.
Additionally, by tradition, eccentric rotator type pump intracavity space is little is restricted, and the setting of counterweight block is very inconvenient, or even
Have to counterweight block is arranged at the outside of cylinder body, this causes great inconvenience to operation and maintenance.
And in the present embodiment, eccentric shaft motion chamber is separated with piston movement chamber, the axial length of eccentric shaft 310 is less than
Eccentric shaft move chamber axial length, inside eccentric shaft 310 and cylindrical chamber between space then be used for counterweight is set
Block 340.
By moving in chamber in eccentric shaft, the both sides load balance balancing weight 340 of eccentric shaft 310, alleviate due to rotor
The problem of the momentum imbalance that formula compressor is caused due to eccentric rotary, more conforms to accurate engineering principle.Move through rotor
Amount balanced design eccentric rotator type pump, behave vibration little, noise is low.
As shown in figures 4 a and 4b, formed between the inner cylinder face in piston movement chamber and the external cylindrical surface of piston portion and axially prolong
The crescent sealed chamber stretched.
This crescent sealed chamber is divided into first chamber and second chamber by interrupter 400.For eccentric rotator type
For pump, this first chamber is entrance cavity 420, and it is connected with fluid inlet by sucking through hole 421；This second chamber is
Oral cavity 430, it is connected with fluid issuing by discharging through hole 431.
In the present embodiment, on cylinder body body 111, the position of corresponding cylinder head 140 inner side is formed with an axially extended, court
Put groove to what cylindrical cavity opened wide.Interrupter 400 includes: stopcock body 410 and stopcock body resetting-mechanism.This stopcock body
410 are fitted in this puts in groove and is rotatably supported by it, and can swing in predetermined angular range.Stopcock body resets
Mechanism, for the end of stopcock body is pressed external cylindrical surface located at rolling piston wheel all the time, crescent sealed chamber is separated
For separate entrance cavity 420 and outlet plenum 430.
In the present embodiment, stopcock body 410 is laminated structure, i.e. stopcock piece.Fig. 6 be eccentric rotator type pump shown in Fig. 3 every
Disembark the schematic diagram of stopcock piece in structure.As shown in Fig. 4 b and Fig. 6, in order to reduce the piston portion of stopcock piece 410 and rolling piston wheel
Friction between 332, radius of curvature r of the side that this stopcock piece 410 is contacted with the external cylindrical surface of piston portion 332 be arranged to
The radius of curvature of the inner cylinder face in piston movement chamber is identical.
When eccentric rotor assembly is when turning to upper position, stopcock piece 410 is pressed into this and puts in groove, in press-in shape
State.When eccentric rotor assembly turns to lower position, stopcock piece is rocked to its maximum position, in the state of stretching out.And stopcock piece
End press external cylindrical surface located at rolling piston wheel all the time, thus by first chamber and second chamber isolation.Wherein, work as stopcock
Piece 410 from put show in groove when, its just facing to chamber be first chamber, i.e. entrance cavity 420, its pass through suck through hole
421 are connected with fluid inlet；The chamber of stopcock body back side direction is second chamber, i.e. outlet plenum 430, and it passes through to discharge through hole
431 are connected with fluid issuing.
It should be noted that in addition to the stopcock chip architecture in the present embodiment, eccentric rotator type pump of the present invention is acceptable
Other kinds of slider, stopcock body for example with semicircular structure (number of patent application: 200780027498.9), gate valve
(number of patent application: 201110322746.0), bidirectional rotary valve block (201410415170.6) etc..Additionally, resetting with regard to stopcock body
Mechanism, is also all discussed in detail in these patent applications, is not described in detail herein.
By described above, the complete description construction of the present embodiment eccentric rotator type pump each several part.Hereinafter will be situated between
Continue the course of work of the present embodiment eccentric rotator type pump: the moment of torsion outside cylindrical cavity is transferred in inner chamber main shaft；In main shaft
Drive under, with eccentric shaft as medium, rolling piston wheel is along cylindrical cavity rolls forward, the fluid that will be entered by fluid inlet
Pump into crescent seal operation space, and then by fluid issuing, fluid is discharged.
So far, the present embodiment eccentric rotator type pump introduction finishes.
3rd, compressor
In another embodiment of the present invention, additionally provide a kind of compressor.The construction of this compressor and said pump
Construction is similar, differs only in the difference in the direction of entrance design and corresponding fluids.In this compressor, the of tumbler
Two chambers, i.e. suction chamber, it is connected with low pressure compressed media input port by second group of through hole；First chamber, i.e. compression chamber, leads to
Cross first group of through hole to be connected with high pressure compressed medium outlet after compression.
Wherein, the moment of torsion outside cylindrical cavity is transferred in cylindrical cavity main shaft, by eccentric rotor assembly with right
Compressed media is compressed.It should be noted that discharging between through hole and high pressure compressed medium outlet, there is open and close valve.
Only when discharge through hole air pressure reach a preset pressure threshold value when, this open and close valve just can be opened, thus by compression after pressure
Contracting medium exports to high pressure compressed media outlet.When the air pressure discharging through hole is not up to this preset pressure threshold value, this opening and closing
Valve is to be to cut out all the time.
So far, the introduction of the present embodiment compressor finishes.
4th, fluid motor
In another embodiment of the present invention, additionally provide a kind of fluid motor.The construction of this fluid motor with above-mentioned
The construction of pump is similar to, and differs only in the difference in the direction of entrance design and corresponding fluids.In this fluid motor, rotate dress
The second chamber put, that is, chamber of doing work, it is connected with high-pressure fluid import by second group of through hole；First chamber, that is, discharge chamber, leads to
Cross first group of through hole to be connected with low pressure fluid output.
Wherein, high-pressure fluid constantly flows in a steady stream, and high-pressure fluid promotes eccentric rotor to rotate, the torsion that will be produced by main shaft
Square is transferred to outside cylindrical cavity.This high-pressure fluid can be liquid or gas.
So far, the introduction of the present embodiment fluid motor finishes.
5th, engine
In another embodiment of the present invention, additionally provide a kind of engine.The construction of this engine and said pump
Construction is similar, differs only in the difference in the direction of entrance design and corresponding fluids.In this engine, the of tumbler
Two chambers, by second group of through hole and combustion chamber；First chamber, is connected with outlet port by first group of through hole
Logical.
Wherein, eccentric rotor assembly is promoted to roll along cylindrical cavity by the gases at high pressure that combustion chamber enters, eccentric rotor
Assembly drives main axis, by main shaft, the moment of torsion of generation is transferred to outside cylindrical cavity.
So far, the introduction of the present embodiment engine finishes.
So far, already in connection with accompanying drawing, five embodiments of the present invention have been described in detail.According to above description, this area
Technical staff should be to the tumbler of present invention application high pressure scene and the fluid machinery applying it, such as pump, compressor, fluid
Motor and engine have and clearly recognize.
Additionally, the above-mentioned definition to each element and method is not limited in various concrete structures, the shape mentioned in embodiment
Shape or mode, those of ordinary skill in the art can simply be changed to it or be replaced, for example:
(1) Biserial cylindrical roller bearing used in figure, can be made into the special many line column rollers axle of special heavy duty
Hold form；
Wtf tetra- as nsk company arranges the bearing of resistance to water dust, can use, than traditional life-span length under the cold rolling harsh and unforgiving environments of iron and steel
Three times.
(2) because offset is less, in the present embodiment, main shaft and eccentric shaft integration system are standby, and the outer collar of bearing and rolling
The sleeve part integration system of piston wheel is standby, as shown in Figure 7；
Additionally, in other embodiments of the invention, eccentric shaft can also be standby with the inside race integration system of bearing.Through
Integration system is standby, can increase bearing space further, increases bearing capacity, extends bearing service life.
(3) in above-described embodiment, for convenience, will be described separately to main shaft and eccentric shaft, but it is true that main shaft and partially
Heart axle can be processed respectively and assemble it is also possible to integration is processed, and, is preferably main shaft and eccentric shaft integration processing.
In sum, eccentric shaft motion chamber is separated by the present invention with piston movement chamber, thus greatly having widened eccentric shaft
The setting flexibility ratio of the bearing and planetary piston wheel between, such that it is able to arrange multiple rolling bearings or even hydrostatic bearing, thus
Alleviate the pressure that bearing is born, and then expanded the service life of whole mechanism, be adapted to very much the high-voltage field scape such as oil field
Demand.Meanwhile, this structure is equally applicable to the multiple fields such as compressor, fluid motor and engine, has high popularization
Using value.
Particular embodiments described above, has carried out detailed further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail bright, be should be understood that the specific embodiment that the foregoing is only the present invention, be not limited to the present invention, all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement done etc., should be included in the guarantor of the present invention
Within the scope of shield.
Claims (20)
1. a kind of tumbler is it is characterised in that include:
Cylinder body (110) and front and rear cover (120,130), three limits an inner chamber jointly, and this inner chamber is divided into central axes
Two parts, Part I is cylindrical chamber, as eccentric shaft motion chamber；Part II be Part I inwall towards outside
The annular chamber being recessed and being formed, as piston movement chamber；
Main shaft (200), is rotatably supported by described cylinder body (110) and/or front and rear cover (120,130), is partly located at described
In inner chamber, the central axes in its center axis and eccentric shaft motion chamber；
Eccentric rotary assembly (300) includes:
Eccentric shaft (310), is sheathed on the part that described main shaft (200) is located at inner chamber, its center axis and described main shaft (200)
Centerline axis parallel and the predeterminable range that staggers；
Rolling piston wheel (330), comprising: sleeve part (331) and piston portion (332), the cylindrical structure of described sleeve part (331)
Make, be sheathed on the outside of described eccentric shaft (310)；Described piston portion (332) is in annulus columnar structure, is sheathed on described sleeve part
(331) outside, its axial length is equal to the axial length in described piston movement chamber, its side and the two of described piston movement chamber
Contacts side surfaces seal, and wherein, described eccentric shaft (310) and sleeve part (331) move in described eccentric shaft motion chamber, and piston
Move in described piston movement chamber at least part of position in portion (332), the inner cylinder face in described piston movement chamber and described work
Form axially extended crescent sealed chamber between the external cylindrical surface of piston part (332)；And
At least one bearing (320), is arranged between described eccentric shaft (310) and the sleeve part (331) of rolling piston wheel, described
In the axial range in eccentric shaft motion chamber；And
Interrupter (400), described crescent sealed chamber is divided into separate first chamber and second chamber, and this
One chamber is connected with first group of through hole being arranged on cylinder body and second group of through hole respectively with second chamber.
2. tumbler according to claim 1 is it is characterised in that described piston portion (332) both sides and piston movement chamber
Radially contact with distance more than or equal to 3mm.
3. tumbler according to claim 1 is it is characterised in that described piston movement chamber is located at described eccentric shaft motion
In the middle part of the axial direction in chamber；
Eccentric shaft motion cavity segment on the right side of described piston movement chamber is identical with the radius of the eccentric shaft motion cavity segment in left side.
4. tumbler according to claim 1 it is characterised in that the sleeve part (331) of described rolling piston wheel and live
Piston part (332):
Integration system is standby, or
It is socketed after separate machined, and elastic ring is set in the both sides of both contacts site.
5. tumbler according to claim 1 is it is characterised in that described main shaft is standby with eccentric shaft integration system.
6. tumbler according to claim 1 it is characterised in that:
Described eccentric shaft is standby with the inner sleeve integration system of described at least one bearing (320)；And/or
The sleeve part (331) of described rolling piston wheel is standby with the outer collar integration system of described at least one bearing (320).
7. tumbler according to claim 1 is it is characterised in that the two sides of described piston portion (332) and described work
The position fluting of plug motion chamber contact, the predeterminated position perforate vertically of trench bottom；
In the hole is provided with elastic component, is provided with side seal (334) in groove, in the presence of described elastic component, described lateral
Seal (334) touch the side in described piston movement chamber.
8. tumbler according to claim 7 is it is characterised in that described elastic component is Packing spring (333), air bullet
Spring or elastic caoutchouc rod；
Described side seal (334) in the form of sheets, by bronze-graphite material, polytetrafluoroethylene (PTFE), polyether-ether-ketone or antifriction alloy
Preparation.
9. tumbler according to claim 1 is it is characterised in that at least one bearing described is symmetrical set；
Wherein, this symmetrical refer to respect to following plane symmetry, the axis centre of the excessively described piston portion (332) of this plane, and
Perpendicular to this axis.
10. tumbler according to claim 9 is it is characterised in that at least one bearing described is to be symmetrical set
Multiple rolling bearings.
11. tumblers according to claim 10 it is characterised in that described rolling bearing number between 3～10 it
Between；
Described rolling bearing is roller bearing, ball bearing, needle bearing, aerodynamics rolling bearing or composite bearing.
12. tumblers according to claim 9 are it is characterised in that at least one bearing described is to be symmetrical set
Hydrostatic bearing.
13. tumblers according to claim 1 it is characterised in that described interrupter (400) include: slider and
Slider resetting-mechanism；
Wherein, described slider resetting-mechanism makes the end of described slider press external cylindrical surface located at rolling piston wheel all the time,
So that described crescent sealed chamber to be divided into first chamber and second chamber.
14. tumblers according to claim 13 are it is characterised in that described slider is gate valve, stopcock body or two-way
Stopcock body.
15. tumblers according to claim 14 are it is characterised in that the inner side of described cylinder body (110) forms axial prolonging
Stretching, towards inner chamber open wide put groove；
In the form of sheets, it is fitted in this and puts in groove and rotatably supported by it described stopcock body, can be in predetermined angle model
Enclose interior swing, and its radius of curvature of side of contacting with the external cylindrical surface of the piston portion of described rolling piston wheel and described piston
The radius of curvature of the inner cylinder face in motion chamber is identical.
16. tumblers according to claim 1 it is characterised in that described eccentric shaft motion chamber in, described eccentric shaft
(310) both sides are provided with counterweight block.
A kind of 17. pumps are it is characterised in that include the tumbler any one of claim 1 to 16, wherein:
Described first chamber is entrance cavity (411), and it is connected with fluid inlet by the suction through hole (412) being opened on cylinder body
Logical；
Described second chamber is outlet plenum (413), and it is connected with fluid issuing by the discharge through hole (414) being opened on cylinder body
Logical.
A kind of 18. compressors are it is characterised in that include the tumbler any one of claim 1 to 16, wherein:
Described second chamber is suction chamber, and it is by second group of through hole being opened on cylinder body and low pressure compressed media input port phase
Connection；
Described first chamber is compression chamber, and it is by first group of through hole being opened on cylinder body and high pressure compressed medium outlet phase
Connection.
A kind of 19. fluid motors are it is characterised in that include the tumbler any one of claim 1 to 16, wherein:
Described second chamber is acting chamber, and it is connected with high-pressure fluid import by second group of through hole being opened on cylinder body；
Described first chamber is to discharge chamber, and it is connected with low pressure fluid output by first group of through hole being opened on cylinder body.
A kind of 20. engines are it is characterised in that include the tumbler any one of claim 1 to 16, wherein:
Described second chamber is by the second group of through hole and the combustion chamber that are opened on cylinder body；
Described first chamber is connected with outlet port by first group of through hole being opened on cylinder body.
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| CN201410776253.8A CN104612963B (en) | 2014-12-15 | 2014-12-15 | Rotating device suitable for high pressure scene and mechanical device using rotating device |
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| CN201410776253.8A CN104612963B (en) | 2014-12-15 | 2014-12-15 | Rotating device suitable for high pressure scene and mechanical device using rotating device |
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| CN104612963B true CN104612963B (en) | 2017-01-18 |
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| WO2018027801A1 (en) * | 2016-08-11 | 2018-02-15 | 姚镇 | Rotating system, and fluid motor, compressor, pump and engine using same |
| CN107414655B (en) * | 2017-09-26 | 2023-06-20 | 广州市锐恒科技有限公司 | Double-grinding-head electric spindle polishing grinder |
| CN111878389A (en) * | 2020-09-08 | 2020-11-03 | 青岛大学 | Internal combustion type swinging scraper pump |
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| GB1517974A (en) * | 1975-09-12 | 1978-07-19 | Standard Oil Co | Rotary engine |
| US5616019A (en) * | 1995-06-13 | 1997-04-01 | Kabushiki Kaisha Toshiba | Rolling piston type expansion machine |
| CN101205918A (en) * | 2006-12-20 | 2008-06-25 | 乐金电子(天津)电器有限公司 | Abrasion-resistant device for rotary compressor |
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Effective date of registration: 20170622 Address after: 100176, Beijing economic and Technological Development Zone, No. three, No. 1, Metro Industrial Park, No. two, B3 workshop Patentee after: Beijing Xingxuan Century Technology Co., Ltd. Address before: 100176, Beijing B3 economic and Technological Development Zone, three industrial park, No. 1, two industrial building, Beijing, Daxing District Patentee before: Yao Zhen |
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