CN106286204B - Two-stage piston supercharged vacuum compression pump - Google Patents
Two-stage piston supercharged vacuum compression pump Download PDFInfo
- Publication number
- CN106286204B CN106286204B CN201610648310.3A CN201610648310A CN106286204B CN 106286204 B CN106286204 B CN 106286204B CN 201610648310 A CN201610648310 A CN 201610648310A CN 106286204 B CN106286204 B CN 106286204B
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- piston rod
- cushion chamber
- air inlet
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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
- F04B25/00—Multi-stage pumps
-
- 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
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention belongs to air pressure pump technical field, more particularly to a kind of gas compressing apparatus for Life Cycles system in space capsule.A kind of two-stage piston supercharged vacuum compression pump, its technical scheme are：Air-flow is flowed into by the air inlet of intake cover, after obtaining buffering in air inlet cushion chamber in cooling cylinder sleeve, into after I grade of air inlet cushion chamber further buffering, into I grade of piston cylinder, compressed by I grade of piston rod, gas pressure increase is simultaneously discharged by the exhaust outlet of I grade of valve board assembly；After the gas of discharge further obtains buffering in I grade of exhaust cushion chamber, into inter cooling pipeline, after cooling, after buffering being obtained in into II grade of air inlet cushion chamber, entered by the air inlet of II grade of valve board assembly in II grade of piston cylinder, after II grade of piston rod pressurizes, discharged by the exhaust outlet of II grade of exhaust cushion chamber, the gas after being pressurizeed.Present invention reduces the complex degree of structure of system.
Description
Technical field
The invention belongs to air pressure pump technical field, more particularly to a kind of gas for Life Cycles system in space capsule
Body compression set.
Background technology
The mechanical energy of prime mover is converted into gas pressure by air pressure pump, is the generating means of compressed air.Air pressure
The species of contracting pump is a lot, can be divided into positive displacement and speed mode by operation principle.The operation principle of positive displacement compression pump is compressed gas
The volume of body, makes the density of gas molecule in unit volume increase to improve the pressure of compressed air；The work of speed mode compression pump
It is to improve the movement velocity of gas molecule as principle, the kinetic energy that making gas molecule has is converted into the pressure energy of gas, so as to carry
The pressure of high compression air.
Piston type air pressure pump belongs to positive displacement compression pump, and its usage history is long, is current domestic most compressions
Pump, have pressure limit wide, can adapt to wider energy range, energy is adjustable, the thermal efficiency is high, it is excellent to adapt to various working etc.
Point.But the common piston type air compressor of in the market is substantially using crank connecting link or crank block slider structure, this class formation is answered
It is miscellaneous, design difficulty is big, consumable accessory is more, running stability is poor.In addition, conventional compression pump periphery auxiliary piping, joint etc. are numerous,
System complex, poor reliability.These problems limit the application of piston type pneumatic compression pump.
Free space is nervous in space capsule, it is desirable to which product weight is low, while requires product reliability height, existing conventional living
Plug air compressor machine is difficult the requirement for adapting to space application.
The content of the invention
The purpose of the present invention is：A kind of air pressure pump for meeting Life Cycles system requirement in space capsule is provided.
The technical scheme is that：A kind of two-stage piston supercharged vacuum compression pump, it includes：I grade of piston component, II
Level piston component, bent axle drive system and ICS intercooler system；Wherein I grade of piston component is two sets of parallel runnings；
I grade of piston component of two sets of parallel runnings symmetrically sets up separately II grade of piston component both sides, and it is equal often to cover I grade of piston component
Including：I grade of valve board assembly, I grading exhaust cylinder cap, I grade of air inlet cushion chamber, I grade of exhaust cushion chamber, I grade of piston rod, I grade of piston
Cylinder, piston cylinder sealing ring, intake cover, guide ring, air inlet cushion chamber, sealing ring；Piston bush is provided with the outside of I grade of piston rod, it is living
The groove for coolant flow is provided with the outside of plug sleeve, cooling effect is realized in coolant S-shaped flowing in groove；
II grade of piston component includes：II grade of valve board assembly, II grade of piston rod, II grade of piston cylinder, II grading exhaust cylinder cap, II
Level air inlet cushion chamber, II grade of exhaust cushion chamber；Piston bush is provided with the outside of II grade of piston rod, cooling is provided with but on the outside of piston bush
Cooling effect is realized in the dynamic groove of liquid stream, coolant S-shaped flowing in groove；
Bent axle drive system includes：Motor stator, right-hand member cap assemblies, rotor, two I grade of piston rod spring bearings,
Two base bearings, bent axle, II grade of piston rod spring bearing, crankcase, left end cap, Scotland yoke；Bent axle is by positioned at II grade of piston
The symmetrical two base bearings support in bar spring bearing both sides, two I grade of piston rod spring bearings are outside two base bearings
Side, the latch assembly of locking nut, lock washer and adjust pad is included by being set in crankshaft two end, and inside bent axle
Gland, cushion block are set, realize the locking to bent axle drive system；Bent axle is driven by the motor on right side, and rotor passes through axle
Set and lock nut assembly are fastened as a whole with bent axle, and the right-hand member cap assemblies of motor stator and crankcase are fastened by being interference fitted
It is integrated；Two I grade of piston rods and II grade of piston rod are rigidly connected to Scotland yoke in bottom by bolt, in the yoke of Scotland
Portion sets spring bearing, for supporting and limiting the movement locus of Scotland yoke, with crank rotation, drive Scotland yoke according to
The track motion of setting, and then promote two I grade of piston rods and II grade of piston rod to realize and move up and down；
ICS intercooler system includes：Cooling cylinder sleeve and the inter cooling pipeline being integrated in inside cooling cylinder sleeve；Processed on the outside of inter cooling pipeline
There is helical fin, adjust the flow velocity of coolant in fin by adjusting the pitch of the helical fin, and then adjust cooling effect；
Coolant enters inter cooling pipeline by water inlet, after being cooled down to the pressurization elevated temperature gas by I grade of piston component discharge, flows respectively
Enter outside the piston bush on the outside of two I grade of piston rods, two I grade of piston rods are cooled down；Then, respectively to two I grade of work
After the two-way coolant that stopper rod is cooled down merges, into outside the piston bush on the outside of II grade of piston rod, II grade of piston rod is entered
Row cooling, then flowed out by cooling cylinder sleeve, enter via exterior line in the outer coolant jacket of motor, via fin on the outside of outer coolant jacket
Temperature rise caused by motor is cooled down, finally, coolant is flowed out by the delivery port on crankcase, completes cooling work；
Air-flow is flowed into by the air inlet of intake cover, after obtaining buffering in the air inlet cushion chamber in cooling cylinder sleeve, into I grade
Air inlet cushion chamber further after buffering, into I grade of piston cylinder, compresses, gas pressure increases and by I grade by I grade of piston rod
The exhaust outlet discharge of valve board assembly；After the gas of discharge further obtains buffering in I grade of exhaust cushion chamber, into middle cooling pipe
Road, after cooling, into II grade of air inlet cushion chamber in obtain buffering after, by II grade of valve board assembly air inlet enter II grade
In piston cylinder, after II grade of piston rod pressurizes, discharged by the exhaust outlet of II grade of exhaust cushion chamber, the gas after being pressurizeed.
Beneficial effect：(1) present invention has abandoned the crank connecting link and crank block slider structure in conventional piston compressor, uses
Scotland yoke realizes being rigidly connected for piston rod and bent axle, while improving system reliability, significantly reduces system
Complex degree of structure, also reduce design, processing and assembly difficulty；
(2) present invention employs two-stage plunger booster structure, more traditional single stage piston booster-type air compressor machine to have higher
Operating efficiency；Two I grade of pistons of the present invention are symmetrically distributed in II grade of piston both sides, it is only necessary to carry out counterweight to II grade of piston
Design, you can to realize the balance of system reciprocal motional force；
(3) the middle device for cooling between two-stage piston is integrated in internal system by the present invention, avoids external auxiliary pipeline
Connection, and then the complexity of product peripheral auxiliary piping and joint is reduced, system connection reliability is improved, is improved simultaneously
The heat-sinking capability of system, the requirement of space application is adapted to.
Brief description of the drawings
Fig. 1 is main sectional view of the present invention；
Fig. 2 is outward appearance front view of the present invention；
Fig. 3 is Fig. 2 right view；
Fig. 4 is Fig. 2 rearview；
Fig. 5 is the front view of piston bush in the present invention；
Fig. 6 is Fig. 5 A-A sectional views；
Fig. 7, Fig. 8 for I grade in the present invention, II grade of exhaust cylinder cap, air inlet cushion chamber, be vented the structure chart of cushion chamber；
Fig. 9 is the sectional view of bent axle drive system in the present invention；
Figure 10 is front view, top view and the A-A sectional views of Scotland yoke in the present invention；
Figure 11 is coolant flow paths schematic diagram in the present invention；
Figure 12 is fundamental diagram of the present invention.
Embodiment
Referring to accompanying drawing 1-4, a kind of two-stage piston supercharged vacuum compression pump, it includes：I grade of piston of two sets of parallel runnings
Component, II grade of piston component, bent axle drive system, ICS intercooler system；
Referring to accompanying drawing 5-8, I grade of piston component of two sets of parallel runnings symmetrically sets up separately II grade of piston component both sides, often covers I
Level piston component includes：I grade of valve board assembly 1,10, I grading exhaust cylinder cap 2,11, I grade of air inlet cushion chamber 3, I grade of exhaust buffering
Chamber 5, I grade of piston rod 4,9, I grade of piston cylinder, piston cylinder sealing ring 12, intake cover 13,28, guide ring 26, air inlet cushion chamber 27,
Sealing ring 29；I grade of outside of piston rod 4,9 is provided with piston bush 40, and the outside of piston bush 40 is provided with the groove for coolant flow
41, cooling effect is realized in coolant S-shaped flowing in groove 41；
II grade of piston component includes：II grade of valve board assembly 6, II grade of piston rod 7, II grade of piston cylinder, II grading exhaust cylinder cap
8, II grade of air inlet cushion chamber 47, II grade of exhaust cushion chamber 48；The outside of II grade of piston rod 7 is provided with piston bush 40, outside piston bush 40
Side is provided with the groove 41 for coolant flow, and cooling effect is realized in coolant S-shaped flowing in groove 41；
Referring to accompanying drawing 9-10, bent axle drive system includes：Motor stator 14, right-hand member cap assemblies 15, rotor 16, two
I grade of piston rod spring bearing 17,22, two base bearings 18,21, bent axle 19, II grade of piston rod spring bearing 20, crankcase 23,
Left end cap 24, Scotland yoke 25；Bent axle 19 is by positioned at two symmetrical base bearings of II grade of both sides of piston rod spring bearing 20
18,21 supports, two I grade of piston rod spring bearings 17,22 are positioned at two outsides of base bearing 18,21, by the both ends of bent axle 19
Setting includes the latch assembly 50 of locking nut 51, lock washer 52 and adjust pad 53, and pressure is set inside bent axle 19
Set 44, cushion block 45, realize the locking to bent axle drive system；Bent axle 19 is driven by the motor on right side, and rotor 16 passes through
Axle sleeve 46 and latch assembly 50 are fastened as a whole with bent axle 19, and the right-hand member cap assemblies 15 of motor stator 14 and crankcase 23 passed through
Cooperation of being full of is fastened as a whole；Two I grade of piston rods, 4,9 and II grades of piston rods 7 are rigidly connected to Soviet Union's lattice in bottom by bolt
Blue yoke 25, the inside of Scotland yoke 25 sets spring bearing, for supporting and limiting the movement locus of Scotland yoke 25, with bent axle
19 rotate, and drive Scotland yoke 25 to be moved according to the track of setting, and then promote two I grade of piston rods, 4,9 and II grades of piston rods 7
Realization moves up and down；
Referring to accompanying drawing 11, ICS intercooler system includes：Cooling cylinder sleeve 30 and the inter cooling pipeline 31 being integrated in inside cooling cylinder sleeve 30；
The outside of inter cooling pipeline 31 is machined with helical fin 36, and coolant in fin is adjusted by adjusting the pitch of the helical fin 36
Flow velocity, and then adjust cooling effect；Coolant enters inter cooling pipeline 31 by water inlet 32, to being added by I grade of piston component discharge
After pressure elevated temperature gas is cooled down, flow into outside the piston bush 40 in I grade of outside of piston rod 4,9, I grade of piston rod 4,9 is carried out cold
But；Then, after two-way coolant merges, into outside the piston bush 40 in II grade of outside of piston rod 7, II grade of piston rod 7 is carried out
Cooling, then flowed out by cooling cylinder sleeve 30, enter via exterior line in the outer coolant jacket of motor, via fin pair on the outside of coolant jacket
Temperature rise is cooled down caused by motor, and finally, coolant is flowed out by the delivery port 33 on crankcase 23, completes cooling work；
Referring to accompanying drawing 12, air-flow is flowed into by the air inlet 34 of intake cover 13,28, the air inlet cushion chamber in cooling cylinder sleeve 30
After buffering being obtained in 27, into after I grade of air inlet cushion chamber 3 further buffering, into I grade of piston cylinder, by I grade of piston rod 4,
9 compressions, gas pressure increase are simultaneously discharged by the exhaust outlet of I grade of valve board assembly 1,10；The gas of discharge is vented cushion chamber 5 at I grade
After inside further obtaining buffering, into inter cooling pipeline 31, after cooling, into II grade of air inlet cushion chamber 47 in buffered
Afterwards, entered by the air inlet of II grade of valve board assembly 6 in II grade of piston cylinder, after II grade of piston rod 7 pressurizes, buffered by II grade of exhaust
The exhaust outlet 35 of chamber 48 is discharged, the gas after being pressurizeed.
In such scheme, inter cooling pipeline 31 is made of copper pipe or aluminium tube material.
Further, counterweight can be increased inside II grade of piston rod 7, for balancing the reciprocating motion between two-stage piston rod
Power, also counterweight can be set in the relevant position of bent axle 19, for realizing the balance of system centrifugal force.
In summary, presently preferred embodiments of the present invention is these are only, is not intended to limit the scope of the present invention.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (4)
1. a kind of two-stage piston supercharged vacuum compression pump, it is characterized in that：It includes：I grade of piston component, II grade of piston component,
Bent axle drive system and ICS intercooler system；Wherein I grade of piston component is two sets of parallel runnings；
I grade of piston component of two sets of parallel runnings symmetrically sets up separately in II grade of piston component both sides, and it is equal often to cover I grade of piston component
Including：I grade of valve board assembly (1,10), I grading exhaust cylinder cap (2,11), I grade of air inlet cushion chamber (3), I grade of exhaust cushion chamber (5),
I grade of piston rod (4,9), I grade of piston cylinder, piston cylinder sealing ring (12), intake cover (13,28), guide ring (26), air inlet cushion chamber
(27), sealing ring (29)；Piston bush (40) is provided with the outside of I grade of piston rod (4,9), is set on the outside of the piston bush (40)
There is the groove (41) for coolant flow, cooling effect is realized in coolant S-shaped flowing in the groove (41)；
II grade of piston component includes：II grade of valve board assembly (6), II grade of piston rod (7), II grade of piston cylinder, II grade of intake and exhaust
Cylinder cap (8), II grade of air inlet cushion chamber (47), II grade of exhaust cushion chamber (48)；Piston is provided with the outside of II grade of piston rod (7)
Cover (40), the groove (41) for coolant flow is provided with the outside of the piston bush (40), coolant is in the groove (41)
Cooling effect is realized in S-shaped flowing；
The bent axle drive system includes：Motor stator (14), right-hand member cap assemblies (15), rotor (16), two I grade of pistons
Bar spring bearing (17,22), two base bearings (18,21), bent axle (19), II grade of piston rod spring bearing (20), crankcase
(23), left end cap (24), Scotland yoke (25)；The bent axle (19) is by positioned at II grade of piston rod spring bearing (20) both sides
Symmetrical described two base bearings (18,21) support, described two I grade of piston rod spring bearing (17,22) are positioned at described
On the outside of two base bearings (18,21), include locking nut (51), lock washer (52) by being set at the bent axle (19) both ends
And the latch assembly (50) of adjust pad (53), and gland (44), cushion block (45) are set inside the bent axle (19), realize
Locking to the bent axle drive system；The bent axle (19) is driven by the motor on right side, and the rotor (16) passes through
Axle sleeve (46) and the latch assembly (50) are fastened as a whole with the bent axle (19), the motor stator (14) and the bent axle
The right-hand member cap assemblies (15) of case (23) are fastened as a whole by interference fit；Described two I grade of piston rod (4,9) and described
II grade of piston rod (7) is rigidly connected to Scotland yoke (25) in bottom by bolt, and Scotland yoke (25) is internal
Spring bearing is set, for supporting and limiting the movement locus of Scotland yoke (25), as the bent axle (19) rotates, band
Move Scotland yoke (25) to move according to the track of setting, and then promote described two I grade of piston rod (4,9) and described II grade
Piston rod (7) is realized and moved up and down；
The ICS intercooler system includes：Cooling cylinder sleeve (30) and the inter cooling pipeline (31) for being integrated in cooling cylinder sleeve (30) inside；
Helical fin (36) is machined with the outside of the inter cooling pipeline (31), fin is adjusted by adjusting the pitch of the helical fin (36)
The flow velocity of interior coolant, and then adjust cooling effect；Coolant enters the inter cooling pipeline (31) by water inlet (32), to by institute
State the discharge of I grade of piston component pressurization elevated temperature gas cooled down after, separately flow on the outside of two I grade of piston rods (4,9)
The piston bush (40) it is outside, I grade of piston rod (4,9) described to two is cooled down；Then, respectively I grade described to two
After the two-way coolant that piston rod (4,9) is cooled down merges, the piston bush on the outside of II grade of piston rod (7)
(40) it is outside, II grade of piston rod (7) is cooled down, then by cooling cylinder sleeve (30) outflow, enters via exterior line
Enter in the outer coolant jacket of motor, temperature rise caused by motor cooled down via fin on the outside of outer coolant jacket, finally, coolant by
Delivery port (33) outflow on the crankcase (23), completes cooling work；
Air-flow is flowed into by the air inlet (34) of the intake cover (13,28), and the air inlet in the cooling cylinder sleeve (30) is delayed
Rush in chamber (27) after obtaining buffering, into after I grade of air inlet cushion chamber (3) further buffering, into I grade of piston cylinder
It is interior, compressed by I grade of piston rod (4,9), gas pressure increase is simultaneously arranged by the exhaust outlet of I grade of valve board assembly (1,10)
Go out；After the gas of discharge further obtains buffering in described I grade exhaust cushion chamber (5), into the inter cooling pipeline (31), warp
After cooling, into after obtaining buffering in II grade of air inlet cushion chamber (47), by the air inlet of II grade of valve board assembly (6)
Mouth enters in II grade of piston cylinder, after II grade of piston rod (7) is pressurizeed, by the row of described II grade exhaust cushion chamber (48)
Gas port (35) is discharged, the gas after being pressurizeed.
2. two-stage piston supercharged vacuum compression pump according to claim 1, it is characterized in that：The inter cooling pipeline (31) is adopted
It is made of copper pipe or aluminium tube material.
3. two-stage piston supercharged vacuum compression pump according to claim 1, it is characterized in that：In II grade of piston rod
(7) internal increase counterweight.
4. two-stage piston supercharged vacuum compression pump according to claim 1, it is characterized in that：It is corresponding in the bent axle (19)
Position sets counterweight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610648310.3A CN106286204B (en) | 2016-08-09 | 2016-08-09 | Two-stage piston supercharged vacuum compression pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610648310.3A CN106286204B (en) | 2016-08-09 | 2016-08-09 | Two-stage piston supercharged vacuum compression pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106286204A CN106286204A (en) | 2017-01-04 |
| CN106286204B true CN106286204B (en) | 2018-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610648310.3A Active CN106286204B (en) | 2016-08-09 | 2016-08-09 | Two-stage piston supercharged vacuum compression pump |
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| CN (1) | CN106286204B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763955B (en) * | 2019-03-29 | 2021-11-02 | 北京航空航天大学 | Self-air-cooling piston type compressor |
| CN112555126B (en) * | 2020-12-03 | 2023-02-14 | 浙江瑞立空压装备有限公司 | Air source system of water-cooled air compressor for vehicle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190703117A (en) * | 1907-02-07 | 1907-11-21 | Stanley Brotherhood | Improvements relating to Air Compressing Plant and Driving Motors therefor. |
| JP4406787B2 (en) * | 2003-01-27 | 2010-02-03 | 株式会社中央技研工業 | Warm and dry air blowing type dryer using piston type air compressor |
| DE102005012202A1 (en) * | 2005-03-15 | 2006-09-28 | Itg Kompressoren Gmbh | Cylinder head for a multi-stage piston compressor |
| EP2260191A4 (en) * | 2008-02-28 | 2014-05-14 | Douglas K Furr | High efficiency internal explosion engine |
| DE102009011214A1 (en) * | 2009-03-04 | 2010-09-23 | Technische Universität Dresden | piston compressor |
| CN201739117U (en) * | 2010-07-20 | 2011-02-09 | 自贡市机一装备制造有限公司 | Acetylene compressor |
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2016
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