CN1059018C - Pendulum rotary vane pump - Google Patents
Pendulum rotary vane pump Download PDFInfo
- Publication number
- CN1059018C CN1059018C CN97120933A CN97120933A CN1059018C CN 1059018 C CN1059018 C CN 1059018C CN 97120933 A CN97120933 A CN 97120933A CN 97120933 A CN97120933 A CN 97120933A CN 1059018 C CN1059018 C CN 1059018C
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- rotor
- pump
- rotary vane
- blade
- stator
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Abstract
The present invention relates to a displacement swing rotary blade pump which is composed of a stator and an inner sleeve thereof, a rotor and an end plate thereof, a front cover and a back cover. The present invention is structurally characterized in that a swing rotary blade using the root of the blade as a rotating shaft are arranged on the rotor and the end plate thereof, and a rotation following unloading ring capable of rotating along with the swing rotary blade is arranged between the inner sleeve of the stator and the swing rotary blade. The present invention has the advantages of no high-speed sliding friction of a rotating part and a fixed part in the pump, high efficiency, large flow capacity, high self-suction performance, long service life, etc. The present invention is used for discharging, loading and unloading various oil liquids, and is especially suitable for cleaning oil depots, oil tanks and oil bottoms.
Description
The present invention relates to a kind of capacity type vane pump, particularly a kind of interior rotating part of pump and standing part realized do not have the vane pump of high-speed slide friction.It is applicable to the pump drainage handling operation of fluid such as gasoline, kerosene, diesel oil, is specially adapted to clean oil depot, the operation at the oil groove oil end.
The present invention is the further improvement that the claimant is proposed " Swingrolling vane pump " application for a patent for invention on September 1st 4,95.This application for a patent for invention number is 95115478.8, publication number CN1129288A, open August 21 96 year date.Find by trial-production and test, Swingrolling vane pump is in that to have a flow big, the self-priming performance height, reliable and stable, under the situation of the little grade of dry sound remarkable advantage, remain in deficiency: (1) pump is the head of each blade at work, affact the centrifugal loading on the diameter of stator bore, can not removal and produce bigger resistance torque, power consumpiton is big, and is unfavorable to the mechanical efficiency that improves pump.(2) it is higher that pump is put the rolling friction linear velocity of the head that rolls blade and diameter of stator bore at work, and quick abrasion is unfavorable to the working life of improving blade.In addition, because between diameter of stator bore both ends of the surface and the rotor end plates, between root of blade and the rotor, for preventing that producing sliding friction has certain necessary gap, so unfavorable to the volumetric efficiency of the self-priming performance that improves pump and pump.
The objective of the invention is to overcome above-mentioned defective provides interior rotating part of a kind of pump and standing part not to have the high-speed slide friction, and each leaf head can be affacted the automatic removal of centrifugal loading on the diameter of stator bore, it is little to have running resistance, self-priming performance height, the positive displacement pendulum rotary vane pump that flow is big, efficient is high, the life-span is long.
The object of the present invention is achieved like this: it comprises protecgulum, the bonnet that overlaps and be loaded on its two ends in stator, the stator, in the inboard of protecgulum, bonnet thrust plate and bonnet liner plate are housed respectively, in pump chamber, by the pump shaft that links to each other with the motor shaft extension rotor is housed, in two ends of rotor rotor end plates is housed, stator and rotor have an eccentric distance e, it is characterized in that: on rotor and rotor end plates, be equipped with the root of blade is the pendulum rotary vane of rotating shaft, in stator between cover and the pendulum rotary vane, be equipped with can with pendulum rotary vane rotation with changeing the off-load ring.
Purpose of the present invention can also following manner realize: pendulum rotary vane, form by the wear-resisting panel of blade body, blade balance staff and leaf head.
The root place of each blade has the bar groove on the rotor external cylindrical surface, and Stamping Steel Ribbon is housed in the groove.
Be divided into low pressure feed liquor window region (C) on the thrust plate, high press juice window region (D), last sealing isolated area (A), under seal four districts of isolated area (B), the cambered surface length that last sealing isolated area (A) is contained is slightly larger than the cambered surface length that is contained between two blades, and the cambered surface length that the close isolated area of lower seal (B) is contained is slightly larger than the cambered surface length that is contained between three blades.
The rotor axial gap of being made up of adjustment swivel nut, locking nut, fastening screw trip bolt is housed on rotor and pump shaft adjusts control gear.
The present invention has following advantage: rotating part and standing part do not have the high-speed slide friction in (1) pump, and load, pump mechanical efficiency height are changeed in the resistance that does not exist each leaf head centrifugal force to produce on the diameter of stator bore.Mainly be to realize by being provided with changeing off-load ring 27.Its principle is: each leaf head is under action of centrifugal force, constantly be pressed against with changeing on off-load ring 27 internal diameters, and driving with changeing 27 rotations of off-load ring, be the differential rotation status, the roulette speed of overlapping in 24 in stator with commentaries on classics off-load 27 is very high, and leaf head is with very low with the sliding friction linear velocity of changeing on off-load ring 27 internal diameters, thereby the leaf head high-speed slide rubbed, change into very low sliding friction (speed ratio of differential rotation sees working principle for details sketches a joint), also each leaf head is affacted the automatic removal of centrifugal loading that is on off-load 27 internal diameters on the 180 degree directions with changeing simultaneously, with the resistance torque of leaf head, change into drive with the running torque of changeing 27 rotations of off-load ring.(2) pump self-priming performance and volumetric efficiency further improve, and the one, roll blade by the pendulum that will have leakage-gap and change the wear-resisting panel of leaf head band into, the pendulum rotary vane 28 of no leakage-gap on the blade has reduced the interior leakage of pump, has improved volumetric efficiency.The 2nd, by on root of blade rotor external cylindrical surface, having the bar groove, Stamping Steel Ribbon 29 is housed in the groove, under action of centrifugal force, Stamping Steel Ribbon is adjacent to constantly on root of blade and seals.The 3rd, because be gapless compression fit between the both ends of the surface of the inner side surface of thrust plate 14 and bonnet liner plate 23 and stator 17, the interior cover 24 of stator, constitute a gapless sealing pump chamber.The 4th, because pendulum rotary vane pump, when pump pressure surpasses setting pressure, blade can be opened and pressure release automatically, there is not the pocketed oil problem in the prior art sliding blade pump, so widened the cambered surface length that the following sealing isolated area B on the thrust plate 14 is contained, therefore can be in pump work instantaneous have three blades, and the rarest two blades are in down among the sealing isolated area B, the high pressure of pump gone out oil pocket seal with the low pressure oil suction chamber and keep apart (see figure 3).And now the sliding blade pump of technology can only be instantaneous two blades that have only, and time is carved with a blade and is in the sealing isolated area high and low pressure chamber sealing of pump is kept apart.So widen the cambered surface length that 14 times sealings of thrust plate isolated area B contains, can effectively improve the self-priming performance of pump.The 5th, because the head panel of pendulum rotary vane 28 can be made wear resistance, good airproof performance by flexible wear-resistant material (as teflon), be convenient for changing, do not have leakage-gap on the pendulum rotary vane, working stability is reliable, vibration and dry sound are little, help the self-priming performance of pump and the raising of volumetric efficiency.
Describe in detail below in conjunction with accompanying drawing:
Fig. 1 plan view of the present invention (analyse and observe on top)
Fig. 2 is that Fig. 1 is along the A--A sectional view
Fig. 3 is that Fig. 1 is along the B--B sectional view
Fig. 4 is pendulum rotary vane figure
Structure of the present invention is by rotor, stator, and protecgulum and bonnet, pump shaft and motor, axial clearance is adjusted control gear etc. and is partly formed.
One, rotor portion: comprise rotor 1, rotor end plates 9, Stamping Steel Ribbon 29, wear-resistant sleeve 5 etc.By sunk screw 8, locating stud 32 is fastened on rotor end plates 9 on the both ends of the surface of rotor 1.Pendulum rotary vane 28 is assemblied in the balance staff hole on the rotor end plates 9 by its balance staff bearing 10, for strengthening the wear resistance of termination, rotor 1 front and back external diameter, wear-resistant sleeve 5 is housed, and reaches oil distribution casing 14 on its external diameter, and O-ring seals 7 is housed in the endoporus of bonnet liner plate 23.The root position of each blade has the bar groove on rotor 1 external cylindrical surface, and device has Stamping Steel Ribbon 29 in the groove, at action of centrifugal force lower seal bar root of blade and gap between rotor is sealed.
The structure of pendulum rotary vane 28 is referring to Fig. 4, and it is by blade body 28--1, blade rotor 28--2, and leaf head panel 28--3 constitutes, and panel is that high-abrasive material is made (can select the teflon flexible wear-resistant material for use), changes at any time according to the abrasion condition of panel.
Two, stationary part: comprise stator 17, cover 24 in the stator, with changeing off-load ring 27 compositions such as grade, cover 24 is made by high-abrasive material in the stator, takes interference fit to be fixed in the stator 17.With the assembly relation that changes cover 24 in off-load ring 27 and the stator is the Spielpassung of rotating flexibly.For improving, with pin 26 mounts wear-resisting end ring 25 is arranged at its two ends with the wear resistance of changeing off-load ring 27.Before startup, give with changeing off-load ring 27 perfusion lubricating oils for pump, have tank filler sleeve on the top of stator 17 and use oilhole blind nut 16, sealing gasket 15 sealings.
Three, protecgulum and back cover portion: comprise compositions such as protecgulum 13, bonnet 18, thrust plate 14, bonnet liner plate 23, end cap O-ring seals 19.With thrust plate 14, bonnet liner plate 23 is assemblied in respectively on protecgulum 13 and the bonnet 18 with sunk screw 8.Low pressure feed liquor window C is arranged on axial flow distribution dish 14, high press juice window D, on seal isolated area A and following sealing isolated area B.Upper front end at protecgulum 13 has tank filler sleeve and uses oilhole blind nut 16, sealing gasket 15 sealings.Protecgulum 13, bonnet 18 and stator 17 usefulness end cap double-screw bolts 20, end cap nut 21, end cap packing ring 22 are linked and packed fixing, and be close to prevent the fluid that leaks outside with end cap O-ring seals 19 envelopes.In the endoporus of bonnet 18, be equipped with shaft seal circle 31 and demolition pad 30, the sealing of pump shaft 34, bonnet 18 endoporus in case the fluid that leaks outside, and is had the small opening of testing of checking whether leakage of oil in the bottom of bonnet 18.With track bolt 37, jointing washer 38, pumping hole joint O-ring seals 42 are contained in pumping hole ready-packaged joint 43 respectively on the filler opening and oil outlet of protecgulum 13, the turnover oilhole pass through axial flow distribution dish 14 respectively with pump chamber in low pressure oil suction chamber and high pressure go out oil pocket and communicate.Import vacuum gauge 40 is assemblied in the top screw of protecgulum 13 filler openings and communicates with the oil-feed pump chamber, and the meter connector place is by 41 sealings of meter connector O-ring seals.Delivery gauge 39 is assemblied in the top screw of protecgulum 13 outlet and communicates with fuel-displaced pump chamber, and the joint is by 41 sealings of meter connector O table seal ring.With motor fixing bolt 35 bonnet 18 and flame-proof type threephase asynchronous 36 flanges are connected and fixed.With screw 12, cover plate 11 covers protecgulum 13 front ends.
Four, pump shaft and motor portion: comprise pump shaft 34, pump shaft bearing 6, pump shaft dive key 33 compositions.Pump shaft 34 promptly is the shaft extension of the lengthening of flame-proof type threephase asynchronous 36.Pump shaft 34 is connected with rotor 1 assembling by pump shaft dive key 33, and pump shaft 34 preceding end journals are packed in the pump shaft bearing 6 in the protecgulum 13.
Five, axial clearance is adjusted the control gear part: comprise the internal thread of adjustment swivel nut 2, locking nut 3, fastening screw trip bolt 4, rotor 1 front end and the outside thread composition of pump shaft 34 front ends.Adjust swivel nut 2 and pack in the internal thread of rotor 1 front portion by its outside thread, locking nut 3 is contained in by its internal thread on the outside thread of pump shaft 34 front ends, and fastening screw trip bolt 4 is contained on the locking nut 3.After axial clearance adjustment control section assembles by Fig. 1, it adjusts controlling method: earlier locking nut 3 is slightly unclamped, rotates adjustment swivel nut 2 rotor 1 is moved forward and backward vertically, make the both ends of the surface and the thrust plate 14 of rotor 1, bonnet liner plate 23 inner side surfaces respectively keep one not produce the micro-gap of sliding friction.Again fastening screw trip bolt 4 is held out against on pump shaft 34 after after adjusting locking nut 3 being tightened and get final product.
The working principle summary:
The calculating formula of general single acting vane pump revolution Theoretical flowing capacity q is:
Q=2eB (π D--δ Z) rice
3/ change
In the formula: e--stator and eccentricity of rotor rice
D--diameter of stator bore rice
δ--blade average thickness rice
The Z--number of blade
B--width of blade rice
The installment state that is an eccentric distance e in the pendulum rotary vane pump with the center of center of changeing off-load ring 27 and rotor 1.
The shaft extension of motor lengthening promptly is a pump shaft 34, pump shaft 34 rotation at work is decided to be at motor shaft extension one end to square gauge looks pump shaft 34 vertically for turning clockwise, and the pump shaft 34 of looking vertically from the motor rear end is the inhour rotation, and pump shaft 34 be that inhour is rotated as shown in Figure 3.
The orientation that pendulum rotary vane 28 is put in pump chamber, by the sense of rotation of pump shaft 34 are roots of blade preceding, head after be the placement of taking advantage of a situation.
Now be that example is sketched working principle of the present invention with Fig. 3:
Axial flow distribution dish 14 is divided into A, B, four work of C, D compartment with pump chamber, and C is low pressure oil-feed window chamber, and D is the fuel-displaced window of high pressure chamber, and A is a top sealing isolated area, and B is a bottom sealing isolated area.Pump is instantaneous in the course of the work two blades, the rarest blade is among the sealing isolated area A, simultaneously instantaneous have three blades, and the rarest two blades are in down among the sealing isolated area B, and blade will be constantly seals the low-pressure cavity C of pump and hyperbaric chamber D and keep apart like this.When leaf head changes into low pressure window chamber C, blade is shown and is opened around root of blade balance staff inhour, pump chamber increases the formation negative pressure of vacuum fluid is sucked pumping hole, when leaf head changes into high pressure window chamber D, blade is put back and closed clockwise around balance staff, and pump chamber dwindles generation pressure fluid is extruded pumping hole.
Pump leaf head at work constantly is pressed against with on the internal diameter that changes off-load 27 under action of centrifugal force, and is driving with changeing 27 rotations of off-load ring and present the differential rotation status, thereby can be with the high-speed friction linear velocity V of leaf head and diameter of stator bore
1, reduce to leaf head with the low speed friction linear velocity V that changes on off-load ring 27 internal diameters
2
V
1Minimum line speed V
1 minimum=π (D-2e) n/60, meter per second.
V
2Maximum line velocity V
2 maximums=π 2en/60, meter per second.
Differential compares K=V
1 minimum/ V
2 maximums=(D-2e)/2e
In the formula: the internal diameter rice of D--servo-actuated off-load ring
E--throw of eccentric rice
N--pump shaft rotating speed rev/min as known: D=0.140 rice e=0.0065 rice
N=1400 rev/min press following formula and calculate after V then
1 minimum=9.31 meter per second V
2 maximums=0.953 meter per second
K=9.77 (is V
1Minimum is V
29.77 times)
Hence one can see that can change into very low sliding friction linear velocity when being provided with the high-speed slide friction linear velocity of leaf head unload ring with commentaries on classics after in the pump chamber stator, so the working life of having improved pump efficiency and blade.
Owing in the pump chamber stator, be provided with changeing the off-load ring, not only can be with the high-speed slide friction of leaf head, change into the very sliding friction of low speed, simultaneously can be with each leaf head, affact with changeing that the centrifugal force that is on the off-load ring internal diameter on the 180 degree directions is cancelled each other and removal.Can effectively improve the mechanical efficiency of pump for this reason.
Claims (5)
1, a kind of positive displacement pendulum rotary vane pump, comprise stator (17), the interior protecgulum (13) that overlaps (24) and be loaded on its two ends of stator, bonnet (18), in protecgulum (13), the inboard of bonnet (18) is equipped with thrust plate (14) and bonnet liner plate (23) respectively, in pump chamber, by the pump shaft (34) that links to each other with the motor shaft extension rotor (1) is housed, at rotor (1) two ends rotor end plates (9) is housed, stator (17) has an eccentric distance e with rotor (1), it is characterized in that: on rotor (1) and rotor end plates (9), being equipped with the root of blade is the pendulum rotary vane (28) of rotating shaft, in stator between cover (24) and the pendulum rotary vane (28), be equipped with can with pendulum rotary vane (28) rotation with commentaries on classics off-load ring (27).
2, pendulum rotary vane pump according to claim 1 is characterized in that: pendulum rotary vane (28), form by the wear-resisting panel of blade body, blade balance staff and leaf head.
3, according to claim 1,2 described pendulum rotary vane pumps, it is characterized in that: the root place of each blade has the bar groove on rotor (1) external cylindrical surface, and Stamping Steel Ribbon (29) is housed in the groove.
4, pendulum rotary vane pump according to claim 1, it is characterized in that: be divided into low pressure feed liquor window region (C) on the thrust plate (14), high press juice window region (D), last sealing isolated area (A), under seal four districts of isolated area (B), the cambered surface length that last sealing isolated area (A) is contained is slightly larger than the cambered surface length that is contained between two blades, and the cambered surface length that the close isolated area of lower seal (B) is contained is slightly larger than the cambered surface length that is contained between three blades.
5, according to claim 1,2,3,4 described pendulum rotary vane pumps, it is characterized in that: rotor (1) axial clearance of being made up of adjustment swivel nut (2), locking nut (3), fastening screw trip bolt (4) is housed on rotor (1) and pump shaft (34) adjusts control gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97120933A CN1059018C (en) | 1997-11-07 | 1997-11-07 | Pendulum rotary vane pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97120933A CN1059018C (en) | 1997-11-07 | 1997-11-07 | Pendulum rotary vane pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1186916A CN1186916A (en) | 1998-07-08 |
| CN1059018C true CN1059018C (en) | 2000-11-29 |
Family
ID=5176078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97120933A Expired - Fee Related CN1059018C (en) | 1997-11-07 | 1997-11-07 | Pendulum rotary vane pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1059018C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4215515B2 (en) * | 2001-04-05 | 2009-01-28 | アーゴ−テック・コーポレーション | Variable displacement pump with rotating cam ring |
| CN107218215B (en) * | 2017-08-03 | 2019-01-01 | 郭素英 | Vane type volumetric pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4415322A (en) * | 1978-02-10 | 1983-11-15 | Idram Engineering Company Est. | Rotary machine with controlled retractable elements |
| US4451251A (en) * | 1982-03-03 | 1984-05-29 | Thomas Jefferson University | Stroke treatment utilizing extravascular circulation of oxygenated synthetic nutrients to treat tissue hypoxic and ischemic disorders |
| DE3436741A1 (en) * | 1984-10-06 | 1986-04-10 | Pierburg Gmbh & Co Kg, 4040 Neuss | Rotary-piston pump having hinged lobes |
| GB2169965A (en) * | 1985-01-18 | 1986-07-23 | Pierburg Gmbh & Co Kg | Rotary vane pump |
| EP0221252A1 (en) * | 1985-10-07 | 1987-05-13 | NOTRON Engineering AG | Membrane cell pump |
| CN1129288A (en) * | 1995-09-14 | 1996-08-21 | 王振忠 | Swingrolling vane pump |
-
1997
- 1997-11-07 CN CN97120933A patent/CN1059018C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4415322A (en) * | 1978-02-10 | 1983-11-15 | Idram Engineering Company Est. | Rotary machine with controlled retractable elements |
| US4451251A (en) * | 1982-03-03 | 1984-05-29 | Thomas Jefferson University | Stroke treatment utilizing extravascular circulation of oxygenated synthetic nutrients to treat tissue hypoxic and ischemic disorders |
| DE3436741A1 (en) * | 1984-10-06 | 1986-04-10 | Pierburg Gmbh & Co Kg, 4040 Neuss | Rotary-piston pump having hinged lobes |
| GB2169965A (en) * | 1985-01-18 | 1986-07-23 | Pierburg Gmbh & Co Kg | Rotary vane pump |
| EP0221252A1 (en) * | 1985-10-07 | 1987-05-13 | NOTRON Engineering AG | Membrane cell pump |
| CN1129288A (en) * | 1995-09-14 | 1996-08-21 | 王振忠 | Swingrolling vane pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1186916A (en) | 1998-07-08 |
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Legal Events
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|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20001129 Termination date: 20091207 |