CN104100521B - Improved blade hydraulic pump and motor - Google Patents

Improved blade hydraulic pump and motor Download PDF

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Publication number
CN104100521B
CN104100521B CN201410234189.0A CN201410234189A CN104100521B CN 104100521 B CN104100521 B CN 104100521B CN 201410234189 A CN201410234189 A CN 201410234189A CN 104100521 B CN104100521 B CN 104100521B
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chamber
leakage
reclaimed
blade
rotor
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CN104100521A (en
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胡凯
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胡凯
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Abstract

The invention discloses improved blade hydraulic pump and motor,The rotor being provided with some radial slots including rotation on power transmission shaft、The blade that radially groove slides、It is arranged on rotor exterior the stator with rotor engagement、It is arranged on the side plate of two ends of rotor,Side plate is provided with high pressure chest and low pressure chamber,Blade tip is contacted with stator inner surface,Form control chamber between blade bottom and rotor radial groove,In rotor rotates weekly,Radially groove passes in and out sliding and forms the change of blade cavity of resorption volume blade,Form at least one volume enlargement section control chamber and at least one smaller volume section control chamber,Leakage is provided with side plate and reclaims chamber and leakage discharge chamber,Leakage is reclaimed chamber and is communicated with volume enlargement section control chamber,And connected with high pressure chest by control valve through runner,Leakage is discharged chamber and is communicated with smaller volume section control chamber,And connected with high pressure chest by aperture.The leakage recovery structure of the program, improves performance and the ruggedness of volumetric efficiency and hydraulic machinery.

Description

Improved blade hydraulic pump and motor
Technical field
The present invention relates to hydraulic machinery technical field, especially relate to improved Vane-type hydraulic machine, particularly improve Blade hydraulic pump and motor.
Background technology
Blade hydraulic pump or hydraulic motor, are generally made up of rotor, blade, stator, side plate etc., rotor and side plate There is between end face certain interval, under higher fluid pressure, fluid can cause fluid to leak by this gap, thus reducing liquid The volumetric efficiency of press mechanical pressing, leads to energy dissipation.
Chinese patent literature(The day for announcing:On June 8th, 1994, notification number:CN 2168098Y)Disclose one kind hydraulic pressure The cam rotor vane pump of floating side plate, this pump adopts hydraulic floating side plate, by the effect of hydraulic oil, can be to rotor and pressure Because the axial gap that abrasion causes compensates between side plate, oil distribution casing, keep higher volumetric efficiency;Runner in the pump housing is Bright road, makes sand removal easily, cleaning is thoroughly clean.
Chinese patent literature(The day for announcing:On July 10th, 2002, notification number:CN1357682)Disclose a kind of revolution volume Formula hydraulic pump and motor, the rotor being made up of the hinged oscillating vane in the periphery of rotary body, suit phantom ring, it is furnished with servo-actuated by inner chamber Ring sliding bearing, the stator encapsulating of rotor-end axle sliding bearing component constitute whole machine, wherein, the axle center of servo-actuated collar bearing with respect to The fixing eccentric setting of rotor revolution axle center is quantitative hydraulic pump and motor, and the axle center of servo-actuated collar bearing is with respect to rotor gyroaxis The eccentric throw continuously controllable of the heart is volume adjustable hydraulic pump and motor.
Technique scheme is also the improvement carrying out for improving volumetric efficiency, but certain end clearance is normal Run necessary, still suffer from larger end clearance leakage at elevated pressures, will result in objective loss in efficiency.
Content of the invention
The invention aims to solving prior art middle period chip hydraulic machinery there is fluid leakage, volumetric efficiency The problems such as low, liquid body medium impact causes the performance of hydraulic machinery and ruggedness cannot improve further, and one kind is provided Structure is simple, easily manufactured, can effectively solve the problem that Fluid leakage problems, significantly improves volumetric efficiency, can be widely used in various The improved blade hydraulic pump of the Vane-type hydraulic machine under ambient condition and motor.
The present invention realizes its technical purpose and be employed technical scheme comprise that:Improved blade hydraulic pump and motor, including On power transmission shaft rotation be provided with some radial slots rotor, radially groove slide blade, be arranged on rotor exterior and with turn The stator of son cooperation, it is arranged on the side plate of two ends of rotor, described side plate is provided with high pressure chest and low pressure chamber, and respective pump is respectively Influent stream low pressure chamber, or corresponding motor goes out to flow low pressure chamber, and blade tip is contacted with stator inner surface, between blade and rotor radial groove Form control chamber, in rotor rotates weekly, radially groove passes in and out sliding and forms the change of control chamber volume blade, is formed at least One volume enlargement section control chamber and at least one smaller volume section control chamber, described side plate are provided with leakage and reclaim Chamber is discharged in chamber and leakage, and described leakage is reclaimed chamber and communicated with volume enlargement section control chamber, and through runner pass through control valve and High pressure chest connects or through runner and influent stream low pressure chamber(Or go out to flow low pressure chamber)Connection, chamber and smaller volume area are discharged in described leakage Section control chamber communicates, and is connected with high pressure chest by aperture.This improved blade hydraulic pump and motor, by side plate with turn Arrange on the end face of son cooperation and leak recovery chamber and leakage discharge chamber, leak recovery chamber and leakage discharge chamber and control with corresponding respectively Chamber processed communicates, and leakage is reclaimed chamber and communicated with high pressure chest by control valve or directly communicate with going out to flow low pressure chamber, and chamber warp is discharged in leakage Aperture is communicated with high pressure chest, thus reclaiming leak fluid using the volume enlargement process of control chamber, using its smaller volume process The leak fluid of recovery is expelled to high pressure chest, so that the fluid that impeller side plate end clearance leaks significantly is reclaimed and become and have The hydraulic energy of effect it is achieved that the raising of volumetric efficiency, meanwhile, the setting of control valve and aperture, make blade to the pressure of stator more Adduction is managed, and is effectively improved performance and the ruggedness of hydraulic machinery.This improved blade hydraulic pump and motor, not only make leaf Chip hydraulic machinery is used for energy dissipation being greatly decreased during middle viscosity oil medium, and so that Vane-type hydraulic machine is extended and make With scope, so that it is applied and be respectively provided with higher transmission efficiency in low-viscosity media, high aqueous medium and aqueous medium, and can be improved it Pressure under above-mentioned ambient condition.Meanwhile, this improved blade hydraulic pump and motor, structure is simple, easily manufactured.
Preferably, described leakage reclaim chamber by the accumulator tank being arranged on side plate end face and with volume enlargement section control The kidney slot of chamber processed connection directly connects or forms through via hole connection, and chamber and the blocking-up of influent stream low pressure chamber are reclaimed in leakage.Leak back to Receive chamber to select to be connected with kidney slot by the accumulator tank being arranged on side plate end face to form, realize the fluid of leakage is effectively returned The purpose received.Certainly, under some blade constructions, when accumulator tank is directly connected with kidney slot inconvenience, via hole phase can be adopted Even.
Preferably, described leakage reclaims chamber by two symmetrically arranged accumulator tanks and two symmetrically arranged kidney slots Be interconnected composition, described accumulator tank and the concentric setting of kidney slot, and leakage is reclaimed chamber and connected with high pressure chest by control valve Or with influent stream low pressure chamber(Or go out to flow low pressure chamber)Communicate.For pump, leakage is reclaimed chamber and is connected with high pressure chest by control valve, with Influent stream low pressure chamber is obstructed;For motor, leakage is reclaimed chamber and is connected with high pressure chest by control valve, or direct with go out to flow low pressure chamber phase Logical.Leakage is reclaimed chamber and is set to that such structure is easily manufactured, and fluid recovery effect is good.
As second preferably, described leakage is reclaimed chamber and is included concentric symmetrically arranged two groups, each group respectively by One kidney slot and two accumulator tank connections being arranged on kidney slot two ends are constituted, and two groups of leakages are reclaimed and separated between chamber.Leakage Reclaim chamber it can also be provided that mutually not connecting in the middle of two groups, and two groups of leakage recovery chambeies, such structure equally can meet Reclaim fluid, improve the purpose of volumetric efficiency.
As the third preferably, described leakage is reclaimed chamber and is included concentric symmetrically arranged two groups, each group respectively by One arc accumulator tank and a kidney slot connection are constituted, and two groups of leakages are reclaimed and separated between chamber.This structure is similar to and second The situation of kind, the setting of cavity configuration is reclaimed in leakage, can be arranged accordingly according to the difference of concrete hydraulic machinery, as long as full The purpose that foot reclaims fluid can.
Reclaim chamber as another kind of preferred, described leakage by the kidney slot connecting volume enlargement section control chamber and side plate Cavity between rotor and power transmission shaft connects and forms, and cavity is blocked with influent stream low pressure chamber, and cavity is provided with along power transmission shaft two ends Sealing surface.Chamber is reclaimed in leakage can also be by arranging cavity between side plate and rotor and axle, and this cavity is connected with kidney slot Form, this structure needs side plate to arrange sealing surface between centers, realizes the sealing of axial direction.Setting sealing surface can make tool in cavity There is the low pressure of certain pressure, and impact is not produced on the normal work of other positions such as outside framework oil seal etc. on power transmission shaft.High-pressure spray It is the main way of Vane-type hydraulic machine volumetric efficiency loss that body is leaked to the low pressure chamber in axle week with side plate end clearance through rotor Footpath, this leak fluid is reclaimed volumetric efficiency can be greatly improved, and the Fluid pressure leaking recovery chamber is relatively low, through clearance leakage Loss is also little.
Preferably, the sealing surface at described cavity is cooperatively formed with side plate gap by power transmission shaft, or by passing Between moving axis and side plate, setting bushing is formed.Sealing surface can be realized it is also possible to pass through in axle with the cooperation of side plate gap using axle Setting bushing is realized and side plate between.
Preferably, described control valve is arranged on runner or control valve is external through passage, described control valve is to subtract Pressure type control valve.Control valve can to should hydraulic machinery runner be arranged on this hydraulic machinery it is also possible to pass through passage list Solely external, stable to ensure blade cavity of resorption less Fluid pressure, is made blade be worked with stator reliable contacts, can control again The abrasion that excess pressure causes.
The invention has the beneficial effects as follows:This improved blade hydraulic pump and motor, by arranging inside hydraulic machinery Leakage recovery structure, is made significantly to be reclaimed by the fluid of rotor and the leakage of side plate end clearance and becomes effective hydraulic pressure Can, significantly improve volumetric efficiency, single blade, twayblade, step blades, primary and secondary blade, pin blade can be widely used in Etc. in Vane-type hydraulic machine, and make hydraulic machinery in, be respectively provided with greater efficiency under the conditions of low-viscosity media, and control valve With the design of aperture, make blade more reasonable to the pressure of stator, effectively increase performance and the ruggedness of hydraulic machinery.This changes The blade hydraulic pump entering and motor, structure is simple, easily manufactured, effect is significant.
Brief description
Fig. 1 is a kind of structural representation of the improved blade hydraulic pump of the present invention and motor;
Fig. 2 is a kind of structural representation that in the present invention, chamber is reclaimed in leakage;
Fig. 3 is that in the present invention, a kind of structural representation that chamber is arranged is reclaimed in leakage by via hole;
Fig. 4 is the second structural representation that in the present invention, chamber is reclaimed in leakage;
Fig. 5 is the third structural representation that in the present invention, chamber is reclaimed in leakage;
Fig. 6 is the second structural representation of the improved blade hydraulic pump of the present invention and motor;
Fig. 7 is a kind of structural representation that in the improved blade hydraulic pump of Fig. 6 and motor, chamber is reclaimed in leakage;
In figure:1st, power transmission shaft, 2, radial slot, 3, rotor, 4, blade, 5, stator, 6, side plate, 7, high pressure chest, 8, low pressure chamber, 9th, control chamber, 10, volume enlargement section control chamber, 11, smaller volume section control chamber, 12, leakage reclaim chamber, 13, leakage row Go out chamber, 14, runner, 15, control valve, 16, aperture, 17, accumulator tank, 18, kidney slot, 19, cavity, 20, sealing surface, 21, auxiliary Hole, 22, influent stream low pressure chamber, 23, go out to flow low pressure chamber.
Specific embodiment
Below by specific embodiment and combine accompanying drawing technical scheme is described in further detail.
Embodiment 1:
In the embodiment shown in fig. 1, improved blade hydraulic pump and motor, including setting of rotation on power transmission shaft 1 There are the rotor 3 of some radial slots 2, blade 4 that radially groove 2 slides, be arranged on that rotor 3 is outside and stator with rotor 3 cooperation 5th, it is arranged on the side plate 6 at rotor 3 two ends, side plate 6 is provided with high pressure chest 7 and low pressure chamber 8, respective pump is influent stream low pressure chamber 22, right Motor is answered to be to flow low pressure chamber 23, this embodiment is hydraulic motor.Blade 4 top is contacted with stator 5 inner surface, blade 4 with turn Form control chamber 9, in rotor 3 rotates weekly, radially groove 2 passes in and out sliding and forms control chamber and hold blade 4 between sub- radial slot 2 Long-pending change, becomes at least one volume enlargement section control chamber 10 and at least one smaller volume section control chamber 11, side plate 6 sets It is equipped with leakage and reclaims chamber 12 and leakage discharge chamber 13, leakage is reclaimed chamber 12 and communicated with volume enlargement section control chamber 10, and through stream Road 14 is connected with high pressure chest 7 by control valve 15 or connects with going out to flow low pressure chamber 23 through runner 14, and chamber 13 and volume are discharged in leakage Reduce section control chamber 11 to communicate, and connected with high pressure chest 7 by aperture 16.Control valve 15 is external through passage, and control valve 15 is Decompression type control valve.Leakage is reclaimed chamber 12 and is controlled by the accumulator tank 17 being arranged on side plate 6 inner face with volume enlargement section Kidney slot 18 connection of chamber 10 connection forms(See Fig. 2).Chamber 12 is reclaimed in leakage also can be by the accumulator tank being arranged on side plate 6 end face 17 and the kidney slot 18 that connects with volume enlargement section control chamber 10 form through via hole 21 connection, chamber 12 and influent stream are reclaimed in leakage Low pressure chamber 22 blocks(See Fig. 3).Leakage reclaims chamber 12 by two symmetrically arranged accumulator tanks 17 and two symmetrically arranged kidney-shapeds Groove 18 is interconnected composition, accumulator tank 17 and the concentric setting of kidney slot 18.Leakage is reclaimed chamber 12 and is passed through control valve 15 and high pressure Chamber 7 connects or communicates with going out to flow low pressure chamber 23, blocks with influent stream low pressure chamber 22.For pump, leakage is reclaimed chamber 12 and is passed through to control Valve 15 is connected with high pressure chest 7, is not communicated with influent stream low pressure chamber 22;For motor, leakage is reclaimed chamber 12 and is passed through control valve 15 and height Pressure chamber 7 connects, or communicates with going out to flow low pressure chamber 23.
Embodiment 2:
In the embodiment shown in fig. 4, improved blade hydraulic pump and motor, substantially the same manner as Example 1, difference Place is:Leakage is reclaimed chamber 12 and is included concentric symmetrically arranged two groups, and each group is set by a kidney slot 18 and two respectively Put accumulator tank 17 connection at kidney slot 18 two ends to constitute, two groups of leakages are reclaimed and separated between chamber 12.
Embodiment 3:
In the embodiment shown in fig. 5, improved blade hydraulic pump and motor, substantially the same manner as Example 1, difference Place is:Leakage is reclaimed chamber 12 and is included concentric symmetrically arranged two groups, and each group respectively by an arc accumulator tank 17 and Individual kidney slot 18 connection is constituted, and two groups of leakages are reclaimed and separated between chamber 12.
Embodiment 4:
In the embodiment shown in fig. 6, improved blade hydraulic pump and motor, including setting of rotation on power transmission shaft 1 There are the rotor 3 of some radial slots 2, blade 4 that radially groove 2 slides, be arranged on that rotor 3 is outside and stator with rotor 3 cooperation 5th, be arranged on the side plate 6 at rotor 3 two ends, described side plate 6 is provided with high pressure chest 7 and low pressure chamber 8, corresponding pump motor be respectively into Flow low pressure chamber 22 and go out to flow low pressure chamber 23, blade 4 top is contacted with stator 5 inner surface, formed between blade 4 and rotor radial groove 2 Control chamber 9, in rotor 3 rotates weekly, radially groove 2 passes in and out sliding and forms the change of control chamber volume blade 4, becomes at least one Individual volume enlargement section control chamber 10 and at least one smaller volume section control chamber 11, side plate 6 are provided with leakage and reclaim chamber 12 discharge chamber 13 with leakage, and leakage is reclaimed chamber 12 and communicated with volume enlargement section control chamber 10, and through runner 14 by control valve 15 are connected with high pressure chest 7 or connect with going out to flow low pressure chamber 23 through runner 14, and chamber 13 and smaller volume section control chamber are discharged in leakage 11 communicate, and are connected with high pressure chest 7 by aperture 16.Control valve 15 is arranged on runner 14, and control valve 15 controls for decompression type Valve.
Leakage reclaims chamber 12 by the kidney slot 18 connecting volume enlargement section control chamber 10 and side plate 6 and rotor 3 and biography Cavity 19 connection between moving axis 1 forms(See Fig. 7), cavity 19 blocked with influent stream low pressure chamber 22, and cavity 19 is along power transmission shaft 1 two ends It is provided with sealing surface 20.Setting sealing surface 20 can make the low pressure in cavity 19 with certain pressure, thus not on power transmission shaft its The normal work of its position such as outside framework oil seal etc. produces impact.Sealing surface 20 at cavity 19 is joined with side plate 6 gap by power transmission shaft 1 Close and formed, or setting bushing is formed between power transmission shaft 1 and side plate 6.In the present embodiment, sealing surface 20 is by power transmission shaft 1 and side plate 6 Cooperatively formed using gap.
In the work process of Vane-type hydraulic machine, high-pressure fluid is through rotor and side plate end clearance to axle week low pressure chamber Room leakage is the main path of Vane-type hydraulic machine volumetric efficiency loss, this leak fluid is reclaimed volume effect can be greatly improved Rate, and the Fluid pressure leaking recovery chamber is relatively low, the loss through clearance leakage is also little.Setting control valve is steady to ensure control chamber Fixed less Fluid pressure, makes blade work with stator reliable contacts, and the abrasion that control excess pressure causes.
Technical scheme shown in above-described embodiment, by being provided with side plate, chamber is reclaimed in leakage and chamber is discharged in leakage, and point Do not communicate with corresponding control chamber, leakage is reclaimed chamber and communicated with high pressure chest by control valve, leakage discharges chamber through aperture and high pressure Chamber communicates, thus reclaiming, using the volume enlargement process of control chamber, the leakage stream that leak fluid and its smaller volume process will reclaim Body is expelled to high pressure chest it is achieved that the raising of volumetric efficiency, makes blade to stator using the effect of control valve and aperture simultaneously Pressure is more reasonable, to improve performance and the ruggedness of hydraulic machinery.The inside setting of this technical scheme middle period chip hydraulic machinery Leakage recovery structure, so that the fluid of rotor and side plate end clearance leakage is significantly reclaimed and become effective hydraulic energy, Significantly improve volumetric efficiency, this leakage recovery structure, so that Vane-type hydraulic machine is used in big during middle viscosity oil medium Width reduces energy dissipation, also makes Vane-type hydraulic machine extend range, makes it in low-viscosity media, high aqueous medium and water It is respectively provided with higher transmission efficiency during medium, and its pressure under above-mentioned ambient condition can be improved.This invention effect is notable, real Now easy, easily manufactured.It is widely portable to the vane types such as single blade, twayblade, step blades, primary and secondary blade, pin blade Hydraulic machinery.

Claims (16)

1. improved blade hydraulic pump, including in power transmission shaft(1)Upper rotation be provided with some radial slots(2)Rotor(3), edge Radial slot(2)The blade sliding(4), be arranged on rotor(3)Outside and rotor(3)The stator of cooperation(5), be arranged on rotor (3)The side plate at two ends(6), described side plate(6)It is provided with high pressure chest(7)And low pressure chamber(8), respective pump is influent stream low pressure chamber (22), blade(4)Top and stator(5)Inner surface contacts, blade(4)With radial slot(2)Between formed control chamber(9), in rotor (3)In rotating weekly, blade(4)Radially groove(2)Pass in and out sliding and form the change of control chamber volume, form at least one volume Enlarged section control chamber(10)With at least one smaller volume section control chamber(11)It is characterised in that:Described side plate(6)On It is provided with leakage and reclaim chamber(12)Discharge chamber with leakage(13), described leakage reclaims chamber(12)With volume enlargement section control chamber (10)Communicate, and through runner(14)By control valve(15)With high pressure chest(7)Connection, chamber is discharged in described leakage(13)With volume Reduce section control chamber(11)Communicate, and pass through aperture(16)With high pressure chest(7)Connection;Volume enlargement process using control chamber Reclaim leak fluid and the leak fluid of recovery is expelled to high pressure chest by its smaller volume process.
2. improved blade hydraulic pump according to claim 1 it is characterised in that:Chamber is reclaimed in described leakage(12)By It is arranged on side plate(6)Accumulator tank on end face(17)And with volume enlargement section control chamber(10)The kidney slot of connection(18)Directly Connect or through via hole(21)Connection forms.
3. improved blade hydraulic pump according to claim 2 it is characterised in that:Chamber is reclaimed in described leakage(12)By Two symmetrically arranged accumulator tanks(17)With two symmetrically arranged kidney slots(18)Be interconnected composition, described accumulator tank (17)And kidney slot(18)Concentric setting, chamber is reclaimed in leakage(12)By control valve(15)With high pressure chest(7)Connection.
4. improved blade hydraulic pump according to claim 2 it is characterised in that:Chamber is reclaimed in described leakage(12)Bag Include concentric symmetrically arranged two groups, each group respectively by a kidney slot(18)It is arranged on kidney slot with two(18)Two ends Accumulator tank(17)Connection is constituted, and chamber is reclaimed in two groups of leakages(12)Between separate.
5. improved blade hydraulic pump according to claim 2 it is characterised in that:Chamber is reclaimed in described leakage(12)Bag Include concentric symmetrically arranged two groups, each group respectively by an arc accumulator tank(17)With a kidney slot(18)Connection structure Become, chamber is reclaimed in two groups of leakages(12)Between separate.
6. improved blade hydraulic pump according to claim 1 it is characterised in that:Chamber is reclaimed in described leakage(12)By Connection volume enlargement section control chamber(10)Kidney slot(18)And side plate(6)With rotor(3)And power transmission shaft(1)Between sky Chamber(19)Connection forms, cavity(19)With influent stream low pressure chamber(22)Block, cavity(19)Along power transmission shaft(1)Two ends are provided with sealing surface (20).
7. improved blade hydraulic pump according to claim 6 it is characterised in that:Described cavity(19)The sealing at place Face(20)By power transmission shaft(1)With side plate(6)Gap cooperatively forms, or by power transmission shaft(1)With side plate(6)Between setting lining Set is formed.
8. the improved blade hydraulic pump according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 it is characterised in that:Described Control valve(15)It is arranged on runner(14)Go up or control valve(15)External through passage, described control valve(15)For decompression type Control valve.
9. improved vane motor, including in power transmission shaft(1)Upper rotation be provided with some radial slots(2)Rotor(3)、 Radially groove(2)The blade sliding(4), be arranged on rotor(3)Outside and rotor(3)The stator of cooperation(5), be arranged on rotor (3)The side plate at two ends(6), described side plate(6)It is provided with high pressure chest(7)And low pressure chamber(8), it is to flow low pressure corresponding to motor Chamber(23), blade(4)Top and stator(5)Inner surface contacts, blade(4)With radial slot(2)Between formed control chamber(9), turning Son(3)In rotating weekly, blade(4)Radially groove(2)Pass in and out sliding and form the change of control chamber volume, form at least one appearance Long-pending enlarged section control chamber(10)With at least one smaller volume section control chamber(11)It is characterised in that:Described side plate(6) On be provided with leakage reclaim chamber(12)Discharge chamber with leakage(13), described leakage reclaims chamber(12)Control with volume enlargement section Chamber(10)Communicate, and through runner(14)By control valve(15)With high pressure chest(7)Connect or through runner(14)With go out to flow low pressure chamber (23)Connection, chamber is discharged in described leakage(13)With smaller volume section control chamber(11)Communicate, and pass through aperture(16)With height Pressure chamber(7)Connection;Volume enlargement process using control chamber reclaims the leakage that leak fluid and its smaller volume process will reclaim Fluid is expelled to high pressure chest.
10. improved vane motor according to claim 9 it is characterised in that:Chamber is reclaimed in described leakage (12)By being arranged on side plate(6)Accumulator tank on end face(17)And with volume enlargement section control chamber(10)The kidney slot of connection (18)Directly connect or through via hole(21)Connection forms.
11. improved vane motors according to claim 10 it is characterised in that:Chamber is reclaimed in described leakage (12)By two symmetrically arranged accumulator tanks(17)With two symmetrically arranged kidney slots(18)Be interconnected composition, and described returns Receive groove(17)And kidney slot(18)Concentric setting, chamber is reclaimed in leakage(12)By control valve(15)With high pressure chest(7)Connection or Person with go out to flow low pressure chamber(23)Communicate.
12. improved vane motors according to claim 10 it is characterised in that:Chamber is reclaimed in described leakage (12)Including concentric symmetrically arranged two groups, each group respectively by a kidney slot(18)It is arranged on kidney slot with two(18) The accumulator tank at two ends(17)Connection is constituted, and chamber is reclaimed in two groups of leakages(12)Between separate.
13. improved vane motors according to claim 10 it is characterised in that:Chamber is reclaimed in described leakage (12)Including concentric symmetrically arranged two groups, each group respectively by an arc accumulator tank(17)With a kidney slot(18)Even Logical composition, chambeies are reclaimed in two groups of leakages(12)Between separate.
14. improved vane motors according to claim 9 it is characterised in that:Chamber is reclaimed in described leakage (12)By connection volume enlargement section control chamber(10)Kidney slot(18)And side plate(6)With rotor(3)And power transmission shaft(1)It Between cavity(19)Connection forms, cavity(19)Along power transmission shaft(1)Two ends are provided with sealing surface(20).
15. improved vane motors according to claim 14 it is characterised in that:Described cavity(19)Place Sealing surface(20)By power transmission shaft(1)With side plate(6)Gap cooperatively forms, or by power transmission shaft(1)With side plate(6)Between set Put bushing to be formed.
The 16. improved vane motors according to claim 9 or 10 or 11 or 12 or 13 or 14 or 15, its feature It is:Described control valve(15)It is arranged on runner(14)Go up or control valve(15)External through passage, described control valve (15)For decompression type control valve.
CN201410234189.0A 2014-05-30 2014-05-30 Improved blade hydraulic pump and motor Active CN104100521B (en)

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CN104100521B true CN104100521B (en) 2017-03-01

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JP6621327B2 (en) * 2015-12-25 2019-12-18 株式会社ショーワ Vane pump device
CN105840412B (en) * 2016-05-23 2017-11-10 王向军 A kind of cam follower hydraulic motor of abdominal cavity with oil

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JPS57186658A (en) * 1981-05-13 1982-11-17 Nissan Motor Co Ltd Hydraulic oil pump for automatic speed change gear
JP2800575B2 (en) * 1992-08-07 1998-09-21 日産自動車株式会社 Vane pump
JPH1193855A (en) * 1997-09-25 1999-04-06 Toyoda Mach Works Ltd Vane pump
JP3851999B2 (en) * 2001-07-03 2006-11-29 ユニシア ジェーケーシー ステアリングシステム株式会社 Variable displacement pump
CN203925998U (en) * 2014-05-30 2014-11-05 胡凯 A kind of improved blade hydraulic pump and motor

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