CN203685562U - Double-acting variable-displacement vane pump or motor - Google Patents
Double-acting variable-displacement vane pump or motor Download PDFInfo
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- CN203685562U CN203685562U CN201320848969.5U CN201320848969U CN203685562U CN 203685562 U CN203685562 U CN 203685562U CN 201320848969 U CN201320848969 U CN 201320848969U CN 203685562 U CN203685562 U CN 203685562U
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Abstract
The utility model discloses a double-acting variable-displacement vane pump or motor. The double-acting variable-displacement vane pump or motor mainly comprises a rotor, a stator, a vane, a cylinder cover and a bearing, and is characterized in that a partition plate disc is arranged on the rotor and the vane and used for partitioning the double-acting variable-displacement vane pump into a front part and a rear part, and a variable-displacement purpose is realized by changing the volume displacements of the working cavities of the front part and the rear part by virtue of the relative axial slide among the rotor, the vane and the partition plate disc. The double-acting variable-displacement vane pump or motor disclosed by the utility model is capable of changing the displacement thereof according to working needs while keeping the advantages of the double-acting constant-displacement vane pump; a pump body is free from generating the phenomena of oil closure and cavitation, the interior of the pump is good in seal and realizes less sealing leakage, the vane is uniform in wear, and the pressure is balanced; the double-acting variable-displacement vane pump or motor disclosed by the utility model is relatively simple in structure, compatible and stable in high-speed, low-speed, high-pressure and low-pressure performances, large in constant-displacement adjustment range, convenient and practicable, wide in application range, capable of being widely applied to the fields of pneumohydraulic and variable transmission, and capable of realizing a constant pressure or a constant power.
Description
Technical field
The present invention relates to a kind of fluid varactor machine, belong to hydropneumatic apparatus field, it belongs to a kind of and is slided to axial and realized double-function variable vane pump or the motor of variable by parts.
Background technique
At present, known oil hydraulic pump (motor) mainly contains a few class forms such as plunger type and blade type and gear type, variable displacement pump mainly contains plunger type and blade type, wherein plunger type major defect is complex structure volume heaviness, single-acting blade-type variable displacement pump pressure imbalance, wearing and tearing are large, pressure and rotating speed are very limited.
Vane pump is a kind of dynamical element being widely used in hydraulic system.Vane pump have output flow evenly, the feature such as smooth running, noise be low, therefore it is widely used in the hydraulic system of lathe, boats and ships, engineering machinery etc.
The vane pump being applied at present in hydraulic system has single-acting formula and the large class of double action two.Single acting vane pump is mainly by stator, rotor, blade and thrust plate composition, owing to there is certain offset in stator and rotor, so in the time of rotor, blade, rotor, the sealed volume volume that the thrust plate of stator and both sides surrounds will change, by the suction on thrust plate, oil drain out is realized oil suction and the oil extraction of oil pump, the eccentric amount e that changes stator and rotor just can change the size of vane pump discharge capacity, but because this pump is monolateral pressure oil output, so the radial force that the main shaft of pump and bearing are subject to is larger, this has just affected the working life of this pump and the raising of pressure greatly.
Double-acting vane pump is mainly also made up of blade, thrust plate and rotor and stator, and the stator curve of this pump is made up of two pairs of symmetrical circular arcs and four sections of transition curves.In the time that the main shaft rotor driven of pump rotates, blade is just along with stator curve stretches out and indentation in the blade groove of rotor, the blade that often rotates a circle stretches twice in rotor vane groove, complete twice oil suction and oil extraction, be referred to as double-acting vane pump, two oil sucting cavities and two oil-discharging cavities of this pump are arranged symmetrically with, so it is in a basic balance to act on epitrochanterian radial hydraulic pressure, the life-span of bearing is longer, be conducive to the raising of pressure, but the Theoretical flowing capacity of this pump is immutable substantially, has therefore also limited to a certain extent the application of this pump.
Although above-mentioned form is through updating, performance has had very large lifting, but has very large deficiency, and this has all limited the application of this two classes pump to a certain extent.Make equipment also become complex and expensive more simultaneously.
Technology of the present invention and existing vane pump are comparatively approaching, and similar patent has: patent, double-function variable vane pump CN 2426529 Y, double-function variable vane pump CN 87206578 U, double-function variable vane pump CN 1128294 C, double-function variable vane pump CN 2109447 U etc.It is inhomogeneous that the shortcoming of patent CN 2426529 Y mainly contains 1. blade wears, 2. variable oil sealing dish pressure at both sides imbalance, 3. dependent variable oil sealing dish pressure at both sides imbalance causes variable adjusting screw rod to bear strength is excessive and make to regulate in work difficulty, 4. manually variable controlling device regulates inconvenience, 5. can not under high pressure work.
The main distinction of the present invention and prior art is; It arranges a dividing plate dish rotating with rotor and blade synchronization on rotor and blade, dividing plate dish external diameter is greater than the maximum inner diameter of stator, dividing plate dish can slide to axial with rotor, blade, dividing plate dish arranges the groove identical with blade quantity, between rotor, dividing plate dish, blade, seal, double-acting vane pump is divided into former and later two parts by dividing plate dish.Dividing plate dish can be located in the middle of the first stator, the second stator simultaneously, the negative camber of the first stator, the second stator is identical, dividing plate dish external diameter is greater than the maximum inner diameter of the first stator, the second stator, between the first stator, dividing plate dish, the second stator, seal, the first stator, the second stator and dividing plate dish and rotor and blade slide to axial, thereby the swept volume that changes former and later two some work chambeies is realized variable object.The pump housing self can not produce and close oil and cavitation, and airtight in pump well to realize seal leakage few, and blade wear is even, pressure balance, structure of the present invention is relatively simple, and high low speed and high low pressure performance are compatible stable, variable regulation range is large, convenient and easy, applied widely.
Summary of the invention
The object of this invention is to provide a kind of vane pump, this vane pump keeping double-action constant flow paddle pump rotor radial equilibrium of forces, flow pulsation is little, noise is lower and volumetric efficiency compared with high in, high low speed and high low pressure performance are compatible stable, can more easily change on demand discharge capacity.
The object of the present invention is achieved like this: double-function variable vane pump of the present invention (motor) mainly comprises rotor, stator, blade, cylinder cap, bearing, it is characterized in that: a dividing plate dish rotating with rotor and blade synchronization is set on rotor and blade, dividing plate dish arranges the groove identical with blade quantity, between rotor, dividing plate dish, blade, seal, double-acting vane pump is divided into former and later two parts by dividing plate dish, slide to axial by rotor and blade and dividing plate dish, thereby the swept volume that changes former and later two some work chambeies is realized variable object.
Its further technological scheme is
Described double-function variable vane pump or motor, it is characterized in that: dividing plate dish is located in the middle of the first stator, the second stator, the negative camber of the first stator, the second stator is identical, dividing plate dish external diameter is greater than the maximum inner diameter of the first stator, the second stator, between the first stator, dividing plate dish, the second stator, seal, the first stator, dividing plate dish and the second stator and rotor and blade slide to axial, thereby the swept volume that changes former and later two some work chambeies is realized variable object.
Further preferred version one is
Described double-function variable vane pump or motor, it is characterized in that: at front end housing and front thrust plate, back cylinder cover and rear thrust plate are established respectively filler opening and oil outlet, on front end housing and back cylinder cover or the rear and front end of cylinder body Variable Control hydraulic fluid port is set, rotor and blade can not slide axially, the first stator, dividing plate dish and the second stator can synchronously slide axially, cylinder body, the first stator, the second stator, front end housing, front thrust plate, back cylinder cover, sealing between rear thrust plate is adjacent, change cylinder body by hydraulic pressure, the first stator, the second stator, front end housing, front thrust plate, back cylinder cover, size between former and later two spaces of rear thrust plate composition, realize the first stator, dividing plate dish, synchronously sliding axially of the second stator, thereby the swept volume that changes former and later two some work chambeies is realized variable object.
Further preferred version two is
Described double-function variable vane pump or motor, it is characterized in that: establish respectively filler opening and oil outlet at front end housing and front thrust plate, back cylinder cover and rear thrust plate, rotor and blade can not slide axially, the first stator, the second stator and dividing plate dish can synchronously slide axially, by the filler opening of a side and oil outlet are communicated with, then by changing the volume of hydraulic oil in this side active chamber, thereby realize synchronously sliding axially of the first stator, dividing plate dish, the second stator, thereby the swept volume that changes opposite side active chamber is realized variable object.
Also be included on front end housing and back cylinder cover or cylinder body rear and front end arranges pressure balance control port, sealing between cylinder body, the first stator, the second stator, front end housing, front thrust plate, back cylinder cover, rear thrust plate are adjacent, is communicated with the space, two of left and right of cylinder body, the first stator, the second stator, front end housing, front thrust plate, back cylinder cover, rear thrust plate composition also and gives certain pressure to keep working clearance and the pressure balance between the first stator, dividing plate dish, the second stator by hydraulic pressure.
Further preferred version three is
Described double-function variable vane pump or motor, is characterized in that: at cylinder body and first stator of dividing plate dish both sides, on cylinder body and the second stator, filler opening and oil outlet are set, Variable Control hydraulic fluid port is set on front end housing and back cylinder cover, rotor is arranged on pump shaft by spline, and rotor can slide axially on pump shaft, the first rotor sealing plate, the second rotor seal plate is close to rotor in rotor both sides respectively, the first rotor sealing plate, the second rotor seal plate can not rotate, the first stator, the first rotor sealing plate, rotor, blade, the second rotor seal plate, sealing between the second stator is adjacent, the first stator, the second stator maintains static, and dividing plate dish can not slide axially, the first rotor sealing plate, the second rotor seal plate, rotor, blade synchronization slides axially, front end housing, the first stator, the first rotor sealing plate, back cylinder cover, the second stator, between the second rotor seal plate is adjacent, sealing, changes front end housing by hydraulic pressure, the first stator, space and the back cylinder cover of the first rotor sealing plate composition, the second stator, the size in the space of the second rotor seal plate composition, realizes rotor, blade, the first rotor sealing plate, the second rotor seal plate synchronously slides axially, thereby the swept volume that changes former and later two some work chambeies is realized variable object.
Further preferred version four is
Described double-function variable vane pump or motor, is characterized in that: at cylinder body and first stator of dividing plate dish both sides, on cylinder body and the second stator, filler opening and oil outlet are set, rotor is arranged on pump shaft by spline, and rotor can slide axially on pump shaft, the first rotor sealing plate, the second rotor seal plate is close to rotor in rotor both sides respectively, the first rotor sealing plate, the second rotor seal plate can not rotate, the first stator, the first rotor sealing plate, rotor, blade, the second rotor seal plate, between the second stator is adjacent, sealing arranges pressure balance control port, front end housing on front end housing and back cylinder cover, the first stator, the first rotor sealing plate, back cylinder cover, the second stator, sealing between the second rotor seal plate is adjacent, by front end housing, the first stator, space and the back cylinder cover of the first rotor sealing plate composition, the second stator, the space of the second rotor seal plate composition is communicated with and gives certain pressure to keep the first rotor sealing plate by hydraulic pressure, rotor, working clearance and pressure balance between the second rotor seal plate, the first stator, the second stator maintains static, and dividing plate dish can not slide axially, the first rotor sealing plate, the second rotor seal plate, rotor, blade synchronization slides axially, and by by airtight to the filler opening of a side and oil outlet connection, then by changing the volume of hydraulic oil in this side active chamber, thereby realizes rotor, blade, the first rotor sealing plate, synchronously sliding axially of the second rotor seal plate, thus the swept volume of change opposite side active chamber is realized variable object.
Above-described double-function variable vane pump or motor, also comprise: in the groove of dividing plate dish, establish sealing slide block, the thickness of sealing slide block width and blade is identical, sealing slide block thickness is identical with the thickness of dividing plate dish, in the groove of dividing plate dish, sealing block and blade synchronization radially slide along the groove of dividing plate dish, sealing slide block and axially relative sliding of dividing plate dish, vane tip side is established groove and is slidably connected and seals and prevent blade and sealing slide block separately with sealing slide block, blade and axially relative sliding of sealing slide block, sealing slide block plays the seal action of vane tip in septalium.
Above-described double-function variable vane pump or motor, also comprise: on the first stator, dividing plate dish and the second stator, pre-tightening mechanism is set, makes its working clearance that keeps best reach the wearing and tearing for controlling the first stator, the second stator and dividing plate dish and keep seal action.
Above-described double-function variable vane pump or motor, also comprise: blade and can be individual layer can be also bilayer or multilayer.
Owing to adopting above-mentioned technological scheme, double-function variable vane pump of the present invention or motor can change its discharge capacity by need of work in the advantage that keeps double-action constant flow paddle pump.And the change of discharge capacity is linear with adjusting displacement.The pump housing self can not produce and close oil and cavitation, and airtight in pump well to realize seal leakage few, and blade wear is even, pressure balance, and high low speed is stable.This pump can be realized variable in the time that high-voltage high-speed moves.The present invention not only device structure is relatively simple, and high low speed and high low pressure performance are compatible stable, and variable regulation range is large, convenient and easy, applied widely, can be widely used in pneumatic hydraulic and gear field.
Accompanying drawing explanation
Fig. 1 is the main tectonic maps of stator sliding type double-function variable vane pump or motor.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the main tectonic maps of rotor sliding type double-function variable vane pump or motor.
Fig. 4 is the B-B sectional view of Fig. 3.
Fig. 5 is the C-C sectional view of Fig. 1 or Fig. 3.
Fig. 6 be dividing plate disk track to sectional view.
Fig. 7 is the radial cross-section of stator.
Fig. 8 is the radial cross-section of thrust plate.
Fig. 9 is the structural drawing of single blade and sealing slide block.
Figure 10 is the structural drawing of double-leaf and sealing slide block.
Figure 11 is structure and the mounting point figure of pre-tightening mechanism.
In figure: 1. the first stator, 2. the second stator, 3. rotor, 4. blade, 5. dividing plate dish, 6. cylinder body, the 7. groove of dividing plate dish, 8. sealing slide block, 9. blade groove, the groove that 10. blade is connected with sealing slide block, 11. front end housings, 12. back cylinder covers, 13. front thrust plates, 14. rear thrust plates, 15. the first rotor sealing plates, 16. second rotor seal plates, 17. rotor shaft B, 18. pre-tightening mechanisms, 19. bearings, 20. filler openings or oil outlet, 21. control ports.
Embodiment
In embodiment illustrated in fig. 11:
Double-function variable vane pump (motor) is made up of cylinder body 6, the first stator 1, the second stator 2, dividing plate dish 5, rotor 3, blade 4, front end housing 11, front thrust plate 13, back cylinder cover 12, rear thrust plate 14.It on rotor 3 and blade 4, arrange one synchronize with rotor 3 and blade 4 rotate dividing plate dish 5, dividing plate dish 5 external diameters are greater than the first stator 1, the maximum inner diameter of the second stator 2, dividing plate dish 5 can with rotor 3, blade 4 slides to axial, dividing plate dish 5 is located at the first stator 1 simultaneously, in the middle of the second stator 2, the first stator 1, the negative camber of the second stator 2 is identical, dividing plate dish 5 external diameters are greater than the first stator 1, the maximum inner diameter of the second stator 2, the first stator 1, dividing plate dish 5, sealing between the second stator 2, the first stator 1, dividing plate dish 5, the second stator 2 penetrates cylinder body 6, the first stator 1, the second stator 2 cannot be in the interior rotation of cylinder body 6, the first stator 1, the second stator 2 can move axially in cylinder body 6.Dividing plate dish 5 can freely rotate cylinder body 6 is interior, dividing plate dish 5 arranges the groove 7 identical with blade 4 quantity, rotor 3, dividing plate dish 5, sealing between blade 4, in the groove 7 of dividing plate dish 5, establish sealing slide block 8, the thickness of sealing slide block width and blade is identical, sealing slide block 8 thickness are identical with the thickness of dividing plate dish 5, sealing slide block 8 seal lengths equal the thickness of dividing plate dish 5, the length of the groove 7 of dividing plate dish 5 is greater than rotor 3 and the first stator 1, the maximum spacing of the second stator 2 adds the seal length of sealing slide block 8, the interior sealing slide block 8 of groove 7 and blade 4 at dividing plate dish 5 can radially slide along the groove of dividing plate dish 57.Blade 4 top-side establish groove 10 and sealing slide block 8 is slidably connected, and sealing slide block 8 plays the seal action of blade 4 tops in septalium 7.Dividing plate dish 5 is enclosed within on rotor 3, blade 4 penetrates in the blade groove 9 of rotor 3 and the groove of dividing plate dish 57 and is stuck on sealing slide block 8, sealing slide block 8 and blade 4 can together radially slide in the groove 7 of the blade groove of rotor 39 and dividing plate dish 5, rotor 3, blade 4 can do to axial and slide with dividing plate dish 5, sealing slide block 8, and double-acting vane pump is divided into former and later two parts by dividing plate dish 5.The first stator 1, the second stator 2, dividing plate dish 5, sealing slide block 8 can slide to axial with rotor 3, blade 4, thereby the swept volume that changes former and later two some work chambeies is realized variable object.
At front end housing 11 and front thrust plate 13, back cylinder cover 12 and rear thrust plate 14 are established respectively filler opening and oil outlet, on front end housing 11 and back cylinder cover 12 or the rear and front end of cylinder body 6 Variable Control hydraulic fluid port is set, rotor 3 and blade 4 can not slide axially, the first stator 1, the second stator 2 and dividing plate dish 5 can synchronously slide axially, cylinder body 6, the first stator 1, the second stator 2, front end housing 11, front thrust plate 13, back cylinder cover, sealing between rear thrust plate 14 is adjacent, change cylinder body 6 by hydraulic pressure, the first stator 1, front end housing 11, the space that front thrust plate 13 forms and cylinder body 6 second stators 2, back cylinder cover 12, the size in the space that rear thrust plate 14 forms, realize the first stator, synchronously sliding axially of the second stator and dividing plate dish, thereby the swept volume that changes former and later two some work chambeies is realized variable object.
Former and later two parts simultaneously work also can a side job, but the filler opening of opposite side and oil outlet must be communicated with and make it not close oil when a side job.
For preventing that the working clearance between stator 1, dividing plate dish 5, stator 2 from changing, the working clearance that keeps best under pre-tightening mechanism 18, the first stators 1, dividing plate dish 5, the active force of the second stator 2 at pre-tightening mechanism can be set on the first stator 1, dividing plate dish 5, the second stator 2 to be reached the wearing and tearing for controlling the first stator 1, dividing plate dish 5 and the second stator 2 and keeps seal action.
In embodiment illustrated in fig. 12:
Double-function variable vane pump (motor) is made up of cylinder body 6, the first stator 1, the second stator 2, dividing plate dish 5, rotor 3, blade 4, front end housing 11, front thrust plate 13, back cylinder cover 12, rear thrust plate 14.It on rotor 3 and blade 4, arrange one synchronize with rotor 3 and blade 4 rotate dividing plate dish 5, dividing plate dish 5 external diameters are greater than the first stator 1, the maximum inner diameter of the second stator 2, dividing plate dish 5 can with rotor 3, blade 4 slides to axial, dividing plate dish 5 is located at the first stator 1 simultaneously, in the middle of the second stator 2, the first stator 1, the negative camber of the second stator 2 is identical, dividing plate dish 5 external diameters are greater than the first stator 1, the maximum inner diameter of the second stator 2, the first stator 1, dividing plate dish 5, sealing between the second stator 2, the first stator 1, dividing plate dish 5, the second stator 2 penetrates cylinder body 6, the first stator 1, the second stator 2 cannot be in the interior rotation of cylinder body 6, the first stator 1, the second stator 2 can move axially in cylinder body 6.Dividing plate dish 5 can freely rotate cylinder body 6 is interior, dividing plate dish 5 arranges the groove 7 identical with blade 4 quantity, rotor 3, dividing plate dish 5, sealing between blade 4, in the groove 7 of dividing plate dish 5, establish sealing slide block 8, the thickness of sealing slide block width and blade is identical, sealing slide block 8 thickness are identical with the thickness of dividing plate dish 5, sealing slide block 8 seal lengths equal the thickness of dividing plate dish 5, the length of the groove 7 of dividing plate dish 5 is greater than rotor 3 and the first stator 1, the maximum spacing of the second stator 2 adds the seal length of sealing slide block 8, the interior sealing slide block 8 of groove 7 and blade 4 at dividing plate dish 5 can radially slide along the groove of dividing plate dish 57.Blade 4 top-side establish groove 10 and sealing slide block 8 is slidably connected, and sealing slide block 8 plays the seal action of blade 4 tops in septalium 7.Dividing plate dish 5 is enclosed within on rotor 3, blade 4 penetrates in the blade groove 9 of rotor 3 and the groove of dividing plate dish 57 and is stuck on sealing slide block 8, sealing slide block 8 and blade 4 can together radially slide in the groove 7 of the blade groove of rotor 39 and dividing plate dish 5, rotor 3, blade 4 can do to axial and slide with dividing plate dish 5, sealing slide block 8, and double-acting vane pump is divided into former and later two parts by dividing plate dish 5.The first stator 1, the second stator 2, dividing plate dish 5, sealing slide block 8 can slide to axial with rotor 3, blade 4, thereby the swept volume that changes former and later two some work chambeies is realized variable object.
Establish respectively filler opening and oil outlet at front end housing 11 and front thrust plate 13, back cylinder cover 12 and rear thrust plate 14, on front end housing 11 and back cylinder cover 12 or the rear and front end of cylinder body 6 pressure balance control port is set, rotor 3 and blade 4 can not slide axially, the first stator 1, the second stator 2 and dividing plate dish 5 can synchronously slide axially, sealing between cylinder body 6, the first stator 1, the second stator 2, front end housing 11, front thrust plate 13, back cylinder cover, rear thrust plate 14 are adjacent.By the filler opening of a side and oil outlet are communicated with airtight, then by changing the volume of hydraulic oil in this side active chamber, thereby realize the first stator 1, the second stator 2, dividing plate dish 5, seal sliding axially of slide block 8, thereby the swept volume of change opposite side active chamber is realized variable object.The space that the space that this kind of method should first cylinder body 6, the first stator 1, front end housing 11, front thrust plate 13 form and cylinder body 6 second stators 2, back cylinder cover 12, rear thrust plate 14 form is communicated with and gives certain oil pressure to guarantee working clearance and the pressure balance between the first stator 1, dividing plate dish 5, the second stator 2, the advantage of this kind of mode maximum is to make the pressure of dividing plate dish 5 both sides identical, can reduce the friction between the first stator 1, dividing plate dish 5, the second stator 2.
For preventing that the working clearance between stator 1, dividing plate dish 5, stator 2 from changing, the working clearance that keeps best under pre-tightening mechanism 18, the first stators 1, dividing plate dish 5, the active force of the second stator 2 at pre-tightening mechanism can be set on the first stator 1, dividing plate dish 5, the second stator 2 to be reached the wearing and tearing for controlling the first stator 1, dividing plate dish 5 and the second stator 2 and keeps seal action.
In embodiment illustrated in fig. 33:
Double-function variable vane pump (motor) is made up of cylinder body 6, the first stator 1, the second stator 2, dividing plate dish 5, rotor 3, pump shaft 17, the first rotor sealing plate 15, the second rotor seal plate 16, blade 4, sealing slide block 8, front end housing 11, back cylinder cover 12.
It on rotor 3 and blade 4, arrange one synchronize with rotor 3 and blade 4 rotate dividing plate dish 5, dividing plate dish 5 external diameters are greater than the first stator 1, the maximum inner diameter of the second stator 2, dividing plate dish 5 can with rotor 3, blade 4 slides to axial, dividing plate dish 5 is located at the first stator 1 simultaneously, in the middle of the second stator 2, the first stator 1, the negative camber of the second stator 2 is identical, dividing plate dish 5 external diameters are greater than the first stator 1, the maximum inner diameter of the second stator 2, the first stator 1, dividing plate dish 5, sealing between the second stator 2, the first stator 1, dividing plate dish 5, the second stator 2 penetrates cylinder body 6, the first stator 1, the second stator 2 cannot be in the interior rotation of cylinder body 6, the first stator 1, the second stator 2 can move axially in cylinder body 6.Dividing plate dish 5 can freely rotate cylinder body 6 is interior, dividing plate dish 5 arranges the groove 7 identical with blade 4 quantity, rotor 3, dividing plate dish 5, sealing between blade 4, in the groove 7 of dividing plate dish 5, establish sealing slide block 8, the thickness of sealing slide block width and blade is identical, sealing slide block 8 thickness are identical with the thickness of dividing plate dish 5, sealing slide block 8 seal lengths equal the thickness of dividing plate dish 5, the length of the groove 7 of dividing plate dish 5 is greater than rotor 3 and the first stator 1, the maximum spacing of the second stator 2 adds the seal length of sealing slide block 8, the interior sealing slide block 8 of groove 7 and blade 4 at dividing plate dish 5 can radially slide along the groove of dividing plate dish 57.Blade 4 top-side establish groove 10 and sealing slide block 8 is slidably connected, and sealing slide block 8 plays the seal action of blade 4 tops in septalium 7.Dividing plate dish 5 is enclosed within on rotor 3, blade 4 penetrates in the blade groove 9 of rotor 3 and the groove of dividing plate dish 57 and is stuck on sealing slide block 8, sealing slide block 8 and blade 4 can together radially slide in the groove 7 of the blade groove of rotor 39 and dividing plate dish 5, rotor 3, blade 4 can do to axial and slide with dividing plate dish 5, sealing slide block 8, and double-acting vane pump is divided into former and later two parts by dividing plate dish 5.The first stator 1, the second stator 2, dividing plate dish 5, sealing slide block 8 can slide to axial with rotor 3, blade 4, thereby the swept volume that changes former and later two some work chambeies is realized variable object.
At cylinder body 6 and first stator 1 of dividing plate dish 5 both sides, on cylinder body 6 and the second stator 2, filler opening and oil outlet are set, on front end housing 11 and back cylinder cover 12, Variable Control hydraulic fluid port is set, rotor 3 is arranged on pump shaft 17 by spline, rotor 3 can slide axially on pump shaft 17, the first rotor sealing plate 15, the second rotor seal plate 16 is close to rotor 3 in rotor 3 both sides respectively, the first rotor sealing plate 15, the second rotor seal plate 16 can not rotate, the first stator 1, the first rotor sealing plate 15, rotor 3, blade 4, the second rotor seal plate 16, sealing between the second stator 2 is adjacent, the first stator 1, the second stator 2 maintains static, dividing plate dish 5 can not slide axially, the first rotor sealing plate 15, the second rotor seal plate 16, rotor 3, blade 4 synchronously slides axially, front end housing 11, the first stator 1, the first rotor sealing plate 15, back cylinder cover 12, the second stator 2, sealing between the second rotor seal plate 16 is adjacent.
Change the size in the space that space that front end housing 11, the first stator 1, the first rotor sealing plate 15 form and back cylinder cover 12, the second stator 2, the second rotor seal plate 16 form by hydraulic pressure, realize rotor 3, blade 4, the first rotor sealing plate 15, the second rotor seal plate 16 and slide axially, thereby the swept volume that changes former and later two some work chambeies is realized variable object.
For preventing that the working clearance between stator 1, dividing plate dish 5, stator 2 from changing, the working clearance that keeps best under pre-tightening mechanism 18, the first stators 1, dividing plate dish 5, the active force of the second stator 2 at pre-tightening mechanism is set on the first stator 1, dividing plate dish 5, the second stator 2 to be reached the wearing and tearing for controlling the first stator 1, dividing plate dish 5 and the second stator 2 and keeps seal action.
Two parts in left and right simultaneously work are done, also can side job, but the oil-feed of opposite side and oil outlet must be communicated with and make it not close oil when a side job.
In embodiment illustrated in fig. 34:
Double-function variable vane pump (motor) is made up of cylinder body 6, the first stator 1, the second stator 2, dividing plate dish 5, rotor 3, pump shaft 17, the first rotor sealing plate 15, the second rotor seal plate 16, blade 4, sealing slide block 8, front end housing 11, back cylinder cover 12.
It on rotor 3 and blade 4, arrange one synchronize with rotor 3 and blade 4 rotate dividing plate dish 5, dividing plate dish 5 external diameters are greater than the first stator 1, the maximum inner diameter of the second stator 2, dividing plate dish 5 can with rotor 3, blade 4 slides to axial, dividing plate dish 5 is located at the first stator 1 simultaneously, in the middle of the second stator 2, the first stator 1, the negative camber of the second stator 2 is identical, dividing plate dish 5 external diameters are greater than the first stator 1, the maximum inner diameter of the second stator 2, the first stator 1, dividing plate dish 5, sealing between the second stator 2, the first stator 1, dividing plate dish 5, the second stator 2 penetrates cylinder body 6, the first stator 1, the second stator 2 cannot be in the interior rotation of cylinder body 6, the first stator 1, the second stator 2 can move axially in cylinder body 6.Dividing plate dish 5 can freely rotate cylinder body 6 is interior, dividing plate dish 5 arranges the groove 7 identical with blade 4 quantity, rotor 3, dividing plate dish 5, sealing between blade 4, in the groove 7 of dividing plate dish 5, establish sealing slide block 8, the thickness of sealing slide block width and blade is identical, sealing slide block 8 thickness are identical with the thickness of dividing plate dish 5, sealing slide block 8 seal lengths equal the thickness of dividing plate dish 5, the length of the groove 7 of dividing plate dish 5 is greater than rotor 3 and the first stator 1, the maximum spacing of the second stator 2 adds the seal length of sealing slide block 8, the interior sealing slide block 8 of groove 7 and blade 4 at dividing plate dish 5 can radially slide along the groove of dividing plate dish 57.Blade 4 top-side establish groove 10 and sealing slide block 8 is slidably connected, and sealing slide block 8 plays the seal action of blade 4 tops in septalium 7.Dividing plate dish 5 is enclosed within on rotor 3, blade 4 penetrates in the blade groove 9 of rotor 3 and the groove of dividing plate dish 57 and is stuck on sealing slide block 8, sealing slide block 8 and blade 4 can together radially slide in the groove 7 of the blade groove of rotor 39 and dividing plate dish 5, rotor 3, blade 4 can do to axial and slide with dividing plate dish 5, sealing slide block 8, and double-acting vane pump is divided into former and later two parts by dividing plate dish 5.The first stator 1, the second stator 2, dividing plate dish 5, sealing slide block 8 can slide to axial with rotor 3, blade 4, thereby the swept volume that changes former and later two some work chambeies is realized variable object.
At cylinder body 6 and first stator 1 of dividing plate dish 5 both sides, on cylinder body 6 and the second stator 2, filler opening and oil outlet are set, rotor 3 is arranged on pump shaft 17 by spline, and rotor 3 can slide axially on pump shaft 17, the first rotor sealing plate 15, the second rotor seal plate 16 is close to rotor 3 in rotor 3 both sides respectively, the first rotor sealing plate 15, the second rotor seal plate 16 can not rotate, the first stator 1, the first rotor sealing plate 15, rotor 3, blade 4, the second rotor seal plate 16, sealing between the second stator 2 is adjacent, the first stator 1, the second stator 2 maintains static, and dividing plate dish 5 can not slide axially, the first rotor sealing plate 15, the second rotor seal plate 16, rotor 3, blade 4 synchronously slides axially, front end housing 11, the first stator 1, the first rotor sealing plate 15, back cylinder cover 12, the second stator 2, between the second rotor seal plate 16 is adjacent, sealing, changes front end housing 11 by hydraulic pressure, the first stator 1, the space that the first rotor sealing plate 15 forms and back cylinder cover 12, the second stator 2, the size in the space that the second rotor seal plate 16 forms, realizes rotor 3, blade 4, the first rotor sealing plate 15, the second rotor seal plate 16 slides axially, thereby the swept volume that changes former and later two some work chambeies is realized variable object.
Variable Control hydraulic fluid port pressure balance control port is set on front end housing 11 and back cylinder cover 12, front end housing 11, the first stator 1, the first rotor sealing plate 15, back cylinder cover 12, the second stator 2, sealing between the second rotor seal plate 16 is adjacent, by front end housing 11, the first stator 1, the space that the first rotor sealing plate 15 forms and back cylinder cover 12, the second stator 2, the space that the second rotor seal plate 16 forms is communicated with and gives certain pressure to keep the first rotor sealing plate 15 by hydraulic pressure, rotor 3, working clearance and pressure balance between the second rotor seal plate 16, the first stator 1, the second stator 2 maintains static, and dividing plate dish 5 can not slide axially, the first rotor sealing plate 15, the second rotor seal plate 16, rotor 3, blade 4 synchronously slides axially, and by by airtight to the filler opening of a side and oil outlet connection, then by changing the volume of hydraulic oil in this side active chamber, thereby realizes rotor 3, blade 4, the first rotor sealing plate 15, synchronously sliding axially of the second rotor seal plate 16, thus the swept volume of change opposite side active chamber is realized variable object.
The advantage of this kind of mode maximum is can the first rotor sealing plate 15, the pressure of rotor 3, the second rotor seal plate 16 both sides is identical, can reduce the friction between the first rotor sealing plate 15, rotor 3, the second rotor seal plate 16.
For preventing that the working clearance between stator 1, dividing plate dish 5, stator 2 from changing, the working clearance that keeps best under pre-tightening mechanism 18, the first stators 1, dividing plate dish 5, the active force of the second stator 2 at pre-tightening mechanism is set on the first stator 1, dividing plate dish 5, the second stator 2 to be reached the wearing and tearing for controlling the first stator 1, dividing plate dish 5 and the second stator 2 and keeps seal action.
Claims (10)
1. a double-function variable vane pump or motor, mainly comprise rotor, stator, blade, cylinder cap, bearing, it is characterized in that: a dividing plate dish rotating with rotor and blade synchronization is set on rotor and blade, dividing plate dish arranges the groove identical with blade quantity, between rotor, dividing plate dish, blade, seal, double-acting vane pump is divided into former and later two parts by dividing plate dish, slide to axial by rotor and blade and dividing plate dish, thereby the swept volume that changes former and later two some work chambeies is realized variable object.
2. double-function variable vane pump according to claim 1 or motor, it is characterized in that: dividing plate dish is located in the middle of the first stator, the second stator, the negative camber of the first stator, the second stator is identical, dividing plate dish external diameter is greater than the maximum inner diameter of the first stator, the second stator, between the first stator, dividing plate dish, the second stator, seal, the first stator, dividing plate dish and the second stator and rotor and blade slide to axial, thereby the swept volume that changes former and later two some work chambeies is realized variable object.
3. double-function variable vane pump according to claim 2 or motor, it is characterized in that: at front end housing and front thrust plate, back cylinder cover and rear thrust plate are established respectively filler opening and oil outlet, on front end housing and back cylinder cover or the rear and front end of cylinder body Variable Control hydraulic fluid port is set, rotor and blade can not slide axially, the first stator, dividing plate dish and the second stator can synchronously slide axially, cylinder body, the first stator, the second stator, front end housing, front thrust plate, back cylinder cover, sealing between rear thrust plate is adjacent, change cylinder body by hydraulic pressure, the first stator, the second stator, front end housing, front thrust plate, back cylinder cover, size between former and later two spaces of rear thrust plate composition, realize the first stator, dividing plate dish, synchronously sliding axially of the second stator, thereby the swept volume that changes former and later two some work chambeies is realized variable object.
4. double-function variable vane pump according to claim 2 or motor, it is characterized in that: establish respectively filler opening and oil outlet at front end housing and front thrust plate, back cylinder cover and rear thrust plate, rotor and blade can not slide axially, the first stator, the second stator and dividing plate dish can synchronously slide axially, by the filler opening of a side and oil outlet are communicated with, then by changing the volume of hydraulic oil in this side active chamber, thereby realize synchronously sliding axially of the first stator, dividing plate dish, the second stator, thereby the swept volume that changes opposite side active chamber is realized variable object.
5. double-function variable vane pump according to claim 4 or motor, it is characterized in that: on front end housing and back cylinder cover or cylinder body rear and front end pressure balance control port is set, sealing between cylinder body, the first stator, the second stator, front end housing, front thrust plate, back cylinder cover, rear thrust plate are adjacent, is communicated with the space, two of left and right of cylinder body, the first stator, the second stator, front end housing, front thrust plate, back cylinder cover, rear thrust plate composition also and gives certain pressure to keep working clearance and the pressure balance between the first stator, dividing plate dish, the second stator by hydraulic pressure.
6. double-function variable vane pump according to claim 2 or motor, is characterized in that: at cylinder body and first stator of dividing plate dish both sides, on cylinder body and the second stator, filler opening and oil outlet are set, Variable Control hydraulic fluid port is set on front end housing and back cylinder cover, rotor is arranged on pump shaft by spline, and rotor can slide axially on pump shaft, the first rotor sealing plate, the second rotor seal plate is close to rotor in rotor both sides respectively, the first rotor sealing plate, the second rotor seal plate can not rotate, the first stator, the first rotor sealing plate, rotor, blade, the second rotor seal plate, sealing between the second stator is adjacent, the first stator, the second stator maintains static, and dividing plate dish can not slide axially, the first rotor sealing plate, the second rotor seal plate, rotor, blade synchronization slides axially, front end housing, the first stator, the first rotor sealing plate, back cylinder cover, the second stator, between the second rotor seal plate is adjacent, sealing, changes front end housing by hydraulic pressure, the first stator, space and the back cylinder cover of the first rotor sealing plate composition, the second stator, the size in the space of the second rotor seal plate composition, realizes rotor, blade, the first rotor sealing plate, the second rotor seal plate synchronously slides axially, thereby the swept volume that changes former and later two some work chambeies is realized variable object.
7. double-function variable vane pump according to claim 2 or motor, is characterized in that: at cylinder body and first stator of dividing plate dish both sides, on cylinder body and the second stator, filler opening and oil outlet are set, rotor is arranged on pump shaft by spline, and rotor can slide axially on pump shaft, the first rotor sealing plate, the second rotor seal plate is close to rotor in rotor both sides respectively, the first rotor sealing plate, the second rotor seal plate can not rotate, the first stator, the first rotor sealing plate, rotor, blade, the second rotor seal plate, between the second stator is adjacent, sealing arranges pressure balance control port, front end housing on front end housing and back cylinder cover, the first stator, the first rotor sealing plate, back cylinder cover, the second stator, sealing between the second rotor seal plate is adjacent, by front end housing, the first stator, space and the back cylinder cover of the first rotor sealing plate composition, the second stator, the space of the second rotor seal plate composition is communicated with and gives certain pressure to keep the first rotor sealing plate by hydraulic pressure, rotor, working clearance and pressure balance between the second rotor seal plate, the first stator, the second stator maintains static, and dividing plate dish can not slide axially, the first rotor sealing plate, the second rotor seal plate, rotor, blade synchronization slides axially, and by by airtight to the filler opening of a side and oil outlet connection, then by changing the volume of hydraulic oil in this side active chamber, thereby realizes rotor, blade, the first rotor sealing plate, synchronously sliding axially of the second rotor seal plate, thus the swept volume of change opposite side active chamber is realized variable object.
8. according to double-function variable vane pump or motor described in arbitrary claim in claim 1 to 7, it is characterized in that: in the groove of dividing plate dish, establish sealing slide block, the thickness of sealing slide block width and blade is identical, sealing slide block thickness is identical with the thickness of dividing plate dish, in the groove of dividing plate dish, sealing block and blade synchronization radially slide along the groove of dividing plate dish, sealing slide block and axially relative sliding of dividing plate dish, vane tip side is established groove and is slidably connected and seals and prevent blade and sealing slide block separately with sealing slide block, blade and axially relative sliding of sealing slide block, sealing slide block plays the seal action of vane tip in septalium.
9. according to double-function variable vane pump or motor described in arbitrary claim in claim 2 to 7, it is characterized in that: on the first stator, dividing plate dish and the second stator, pre-tightening mechanism is set, makes its working clearance that keeps best reach the wearing and tearing for controlling the first stator, the second stator and dividing plate dish and keep seal action.
10. according to double-function variable vane pump or motor described in arbitrary claim in claim 1 to 7, it is characterized in that: blade and can be individual layer can be also bilayer or multilayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320848969.5U CN203685562U (en) | 2013-12-23 | 2013-12-23 | Double-acting variable-displacement vane pump or motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320848969.5U CN203685562U (en) | 2013-12-23 | 2013-12-23 | Double-acting variable-displacement vane pump or motor |
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| CN203685562U true CN203685562U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320848969.5U Withdrawn - After Issue CN203685562U (en) | 2013-12-23 | 2013-12-23 | Double-acting variable-displacement vane pump or motor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939335A (en) * | 2013-12-23 | 2014-07-23 | 马江 | Double-action variable vane impeller pump or motor |
| CN106884790A (en) * | 2015-12-16 | 2017-06-23 | 株式会社昭和 | Vane pump apparatus |
| CN107654432A (en) * | 2017-10-11 | 2018-02-02 | 长治市潞安合力机械有限责任公司 | A kind of vane hydraulic distributor |
| CN111120300A (en) * | 2018-10-31 | 2020-05-08 | 中石化石油工程技术服务有限公司 | Hydraulic pump for downhole tool for drilling |
-
2013
- 2013-12-23 CN CN201320848969.5U patent/CN203685562U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939335A (en) * | 2013-12-23 | 2014-07-23 | 马江 | Double-action variable vane impeller pump or motor |
| WO2015096532A1 (en) * | 2013-12-23 | 2015-07-02 | 马江 | Twin-action variable displacement vane pump or motor |
| CN106884790A (en) * | 2015-12-16 | 2017-06-23 | 株式会社昭和 | Vane pump apparatus |
| US10662944B2 (en) | 2015-12-16 | 2020-05-26 | Showa Corporation | Vane pump device having multiple discharge pressures |
| CN107654432A (en) * | 2017-10-11 | 2018-02-02 | 长治市潞安合力机械有限责任公司 | A kind of vane hydraulic distributor |
| CN111120300A (en) * | 2018-10-31 | 2020-05-08 | 中石化石油工程技术服务有限公司 | Hydraulic pump for downhole tool for drilling |
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Granted publication date: 20140702 Effective date of abandoning: 20151209 |
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