CN102691655B - Shaft rotation double-stator cam rotor multi-output pump - Google Patents
Shaft rotation double-stator cam rotor multi-output pump Download PDFInfo
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- CN102691655B CN102691655B CN201210187533.6A CN201210187533A CN102691655B CN 102691655 B CN102691655 B CN 102691655B CN 201210187533 A CN201210187533 A CN 201210187533A CN 102691655 B CN102691655 B CN 102691655B
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- connecting sleeve
- external stator
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Abstract
The invention discloses a shaft rotation double-stator cam rotor multi-output pump. A cam rotor (8) is arranged in a die cavity, which is formed by a left pump body connecting sleeve (6), an outer stator (4) and a right pump body connecting sleeve (3), through left and right bearings (10 and 25); the front part of an inner stator (1) is matched with a cam inner surface (24) of the cam rotor (8), and the back part of the inner stator (1) is arranged on a right end cover (2) through a round nut (19) and a lock washer (18); and pump block groups II (11) are arranged in two symmetrical chutes of the outer stator (4), and a pump block group I (21) is arranged in a chute in the middle of the inner stator (1). The shaft rotation double-stator cam rotor multi-output pump has the advantages of stable working, small size, light weight, high efficiency, high specific power and the like. According to the shaft rotation double-stator cam rotor multi-output pump, a plurality of hydraulic pumps with different outputs are arranged in one shell.
Description
Technical field
The present invention relates to a kind of hydraulic pressure variable capacity machinery, particularly relate to a kind of axle and rotate double-stator cam rotor multi output pump.
Background technique
Oil hydraulic motor, as a kind of increasingly mature hydraulic element, just obtains increasingly extensive application in all trades and professions.In various motor, main component major part is in sliding friction state, both have impact on working life, again reduce working efficiency, most motor needs retracting spring reset to work simultaneously, and the spring fatigue caused by to-and-fro motion destroys, directly affects working life and the reliability of motor.Existing motor great majority are single-input single-output motor, and realizing the output of motor multiple speed if want just must be in parallel with multiple motor, therefore not easily realizes large-scale speed change and bending moment, also not easily realizes high-power, small volume, lightweight.
Summary of the invention
In order to overcome prior art above shortcomings, the invention provides a kind of axle and rotate double-stator cam rotor multi output pump, this invention stable working, efficiency are high, can realize the output of various rotating speed and torque in a pump housing.
The technical solution adopted for the present invention to solve the technical problems is: a kind of axle rotates double-stator cam rotor multi output pump, comprises inner stator, external stator, right end cap, left end cap, left bearing and right bearing.Described inner stator forward outer surface curve and external stator internal surface curve are two identical smooth closed curves.Described left end cap and left pump housing connecting sleeve, external stator, right pump housing connecting sleeve, right end cap are installed together by bolt, and the both sides of each chute of external stator have external stator dispensing window.Described external stator dispensing window is communicated with external stator oil through, and the quantity of described external stator dispensing window is 2 × n, and wherein n is effect number.The outer surface of the anterior chute both sides of inner stator has inner stator dispensing window, and described inner stator dispensing window is communicated with inner stator oil through, and inner stator dispensing window is identical with external stator dispensing window quantity.Cam follower is arranged in the die cavity that left pump housing connecting sleeve, external stator and right pump housing connecting sleeve formed by left and right bearing.The external surface shape of cam follower is cam outer face, its inner surface configuration is cam internal surface, the left outer surface processing keyway of cam follower, its axle center is processed with the radial direction oil hole of leaking oilhole and being communicated with described leakage oilhole, match with the cam internal surface of cam follower in the front portion of described inner stator, its rear portion is arranged on right end cap by round nut, lock washer, arranges and prevent the two positioning key in relative rotation between inner stator and right end cap.In the chute that external stator two is symmetrical, pump block group II is set, in the chute in the middle of inner stator, pump block group I is set.
The position of the corresponding chute of described external stator has 2 ~ 3 screwed radial direction through hole, the outer pump block side processing corresponding with radial direction through hole and the isodiametric blind hole of described radial direction through hole, be equipped with outer pump block, adjustment column, outer pump spring and socket head screw in the radial direction through hole of external stator.
The pump block group I arranged in the anterior chute of described inner stator is made up of interior pump spring and two interior pump blocks, and interior pump spring is arranged between two interior pump blocks.
Described left pump housing connecting sleeve is circular piece, has 6 tapped holes matched with external stator at its circumference, and have the hole of installing rotor in its center of circle, the head that left pump housing connecting sleeve is arranged on cam follower coordinates with external stator.Right pump housing connecting sleeve is also circular piece, has 6 tapped holes partly matched with external stator at its circumference, has the hole of installing rotor in its center of circle.
Sized by the smooth closed curve of described cam follower circular arc and between multistage etc. accelerate and wait deceleration curve to form.
Pump in the cam internal surface of described inner stator, cam follower, pump block group I and left and right pump housing connecting sleeve composition; The outer pump of the cam outer face of described external stator, cam follower, pump block group II and left and right pump housing connecting sleeve composition, forms 2 × n pump in a housing, and wherein n acts on number.Single a pair, double-acting two right, multifunctional multipair inside and outside pump, the number of pump equals 2 × n, wherein n is effect number, n=1 ~ 10, but is not limited thereto, preferably, n=2 ~ 5, so can reach the balance of pump between function requirement and fixing fabric structure requirement preferably.
The invention has the beneficial effects as follows: this invention due to external stator circular curve surface and inner stator forward part outer surface have dispensing window, thus make inner and outer Rotator and pump block group wearing and tearing little, leakage less, wearing clearance can auto-compensation.Stable working of the present invention simultaneously, volume is little, lightweight, and specific power is large, and workable, long service life, efficiency is high.The present invention arranges the how fast oil hydraulic pump of multiple difference input in a housing, when there being different displacements oil hydraulic pump.Can export separately and form multi output pump, also can be combined formation large discharge and export; If used as motor, multiple different Torque and speed can be had to export.
Accompanying drawing explanation
Fig. 1 is that axle rotates double-stator cam rotor multi output pump structure schematic diagram;
Fig. 2 is that axle rotates double-stator cam rotor multi output pump A-A sectional view;
Fig. 3 is the structural representation of rotor;
Fig. 4 is the right elevation of rotor;
Fig. 5 is left pump housing connecting jacket structure schematic diagram;
Fig. 6 is right pump housing connecting jacket structure schematic diagram;
Fig. 7 is inner stator structural representation;
Fig. 8 is the D-D sectional view of inner stator;
Fig. 9 is the B-B sectional view of inner stator;
Figure 10 is the C-C sectional view of inner stator.
In above-mentioned accompanying drawing, 1. inner stator, 2. right end cap, 3. right pump housing connecting sleeve, 4. external stator, 5. cylindrical pin with internal thread, 6. left pump housing connecting sleeve, 7. left end cap, 8. cam follower, 9. adjustment ring, 10. left bearing, 11. outer pump blocks, 12. adjustment columns, the outer pump spring of 13. socket head screw 14., 15. positioning key 16. drain taps 17. adjust packing ring, 18. lock washers, 19. round nuts, pump block in 20., 21. pump block groups I, 22. leak oilhole, 23. cam outer face, 24. cam internal surfaces, 25. right bearings, pump spring in 26., 27. tapped holes, 28. pin holes, 29. inner stator oil throughs, 30. inner stator dispensing windows, 31. external stator oil throughs, 32. pump block groups II, 33 external stator dispensing windows.
Embodiment
Fig. 1, Fig. 2 are that the present invention discloses a kind of axle rotation double-stator cam rotor multi output pump, comprise inner stator 1, external stator 4, right end cap 2, left end cap 7, left bearing 10 and right bearing 25, described inner stator 1 forward outer surface curve and external stator 4 internal surface curve are two identical smooth closed curves.Described left end cap 7 and left pump housing connecting sleeve 6, external stator 4, right pump housing connecting sleeve 3, right end cap 2 are installed together by bolt, and cam follower 8 is arranged in the die cavity that left pump housing connecting sleeve 6, external stator 4 and right pump housing connecting sleeve 3 formed by left and right bearing (10,25).Match with the cam internal surface 24 of cam follower 8 in the front portion of inner stator 1, its rear portion is arranged on right end cap 2 by round nut 19, lock washer 18.Arrange pump block group II 32 in the chute that external stator 4 two is symmetrical, arrange pump block group I 21 in the chute in the middle of inner stator 1, the both sides of each chute of external stator 4 have external stator dispensing window 33, and the outer dispensing window 33 of described stator is communicated with the outer oil through 31 of stator.The outer surface of the anterior chute both sides of described inner stator 1 has inner stator dispensing window 30, and described inner stator dispensing window 30 is communicated with the outer oil through 29 of stator.
The position of the corresponding chute of described external stator 4 has 3 screwed radial direction through hole, the outer pump block 11 side processing corresponding with radial direction through hole and the isodiametric blind hole of described radial direction through hole, be equipped with outer pump block 11, adjustment column 12, outer pump spring 14 and socket head screw 13 in the radial direction through hole of external stator 4.
The pump block group I 21 arranged in the anterior chute of described inner stator 1 is made up of interior pump spring 26 and two interior pump blocks 20, arranges interior pump spring 26 between two interior pump blocks 20.
The external surface shape of described cam follower 8 is cam outer face 23, and its inner surface configuration is also cam internal surface 24, and the left outer surface processing keyway of cam follower 8, its axle center is processed with the radial direction oil hole of leaking oilhole 22 and being communicated with described leakage oilhole 22.Oilhole 22 is leaked in the axle center processing of cam follower 8, and described leakage oilhole 22 is connected with the leakage hydraulic fluid port of inner stator 1.
Described left pump housing connecting sleeve 6 is circular piece, and have 6 tapped holes 27 matched with external stator 4 at its circumference, the head that left pump housing connecting sleeve 6 is arranged on cam follower 8 coordinates with external stator 4.Right pump housing connecting sleeve 3 is also circular piece, has 6 tapped holes 27 matched with external stator 4 half at its circumference.Right pump housing connecting sleeve 3 is arranged on the afterbody of the round cylinder of cam follower 8, to play the effect of bearer cams rotor 8.
Sized by the smooth closed curve of described cam follower 8 circular arc and between multistage etc. accelerate and wait deceleration curve to form.
The cam internal surface 24 of described inner stator 1, cam follower 8, pump block group I 21 and left and right pump housing connecting sleeve (6,3) composition 2 interior pumps.Form 2 outer pumps by the cam outer face 23 of external stator 4, cam follower 8, pump block group II 32 and left and right pump housing connecting sleeve (6,3), in a housing, form 4 inside and outside pumps.
Under the control of control system, when one of them pump work, all the other pump idle loops, just have an output, and the various combination of multiple pump just forms multiple different output, form multi output pump.
Claims (7)
1. an axle rotates double-stator cam rotor multi output pump, comprise right end cap (2), left end cap (7), left bearing (10) and right bearing (25), described left end cap (7) and left pump housing connecting sleeve (6), external stator (4), right pump housing connecting sleeve (3), right end cap (2) is installed together by bolt, the both sides of external stator (4) each chute have external stator dispensing window (33), described external stator dispensing window (33) is communicated with external stator oil through (31), the quantity of external stator dispensing window (33) is 2 × n, wherein n is effect number, the outer surface of the anterior chute both sides of inner stator (1) has inner stator dispensing window (30), inner stator dispensing window (30) is communicated with inner stator oil through (29), described inner stator dispensing window (30) is identical with external stator dispensing window (33) quantity, it is characterized in that: cam follower (8) is by a left side, right bearing (10, 25) left pump housing connecting sleeve (6) is arranged on, in the die cavity that external stator (4) and right pump housing connecting sleeve (3) are formed, the external surface shape of cam follower (8) is cam outer face (23), its inner surface configuration is cam internal surface (24), the left outer surface processing keyway of cam follower (8), its axle center is processed with the radial direction oil hole of leaking oilhole (22) and being communicated with described leakage oilhole (22), match with the cam internal surface (24) of cam follower (8) in the front portion of described inner stator (1), its rear portion is by round nut (19), lock washer (18) is arranged on right end cap (2), in external stator (4) two symmetrical chutes, pump block group II (32) is set, in chute in the middle of inner stator (1), pump block group I (21) is set.
2. axle according to claim 1 rotates double-stator cam rotor multi output pump, it is characterized in that: the position of described external stator (4) corresponding chute has 2 ~ 3 screwed radial direction through hole, outer pump block (11) the side processing corresponding with radial direction through hole and the isodiametric blind hole of described radial direction through hole, install outer pump block (11), adjustment column (12), outer pump spring (14) and socket head screw (13) in the radial direction through hole of described external stator (4).
3. axle according to claim 1 rotates double-stator cam rotor multi output pump, it is characterized in that: the pump block group I (21) arranged in described inner stator (1) anterior chute is made up of interior pump spring (26) and two interior pump blocks (20), arranges interior pump spring (26) between two interior pump blocks (20).
4. axle according to claim 1 rotates double-stator cam rotor multi output pump, it is characterized in that: the leakage oilhole (22) in the axle center of described cam follower (8) is connected with the leakage hydraulic fluid port of inner stator (1).
5. axle according to claim 1 rotates double-stator cam rotor multi output pump, it is characterized in that: described left pump housing connecting sleeve (6) is circular piece, drain tap (16) is had at its outer surface, have 6 tapped holes (27) and pin hole (28) matched with external stator (4) at its circumference, the head that left pump housing connecting sleeve (6) is arranged on cam follower (8) coordinates with external stator (4); Described right pump housing connecting sleeve (3) is also circular piece, has drain tap (16) at its outer surface, has 6 tapped holes (27) and pin hole (28) matched with external stator (4) at its circumference.
6. axle according to claim 1 rotates double-stator cam rotor multi output pump, it is characterized in that: described inner stator (1) forward outer surface curve and external stator (4) internal surface curve are two similar smooth closed curves.
7. axle according to claim 1 rotates double-stator cam rotor multi output pump, it is characterized in that: pump in the cam internal surface (24) of described inner stator (1), cam follower (8), pump block group I (21) and left and right pump housing connecting sleeve (6,3) composition, outer pump is formed by the cam outer face (23) of external stator (4), cam follower (8), pump block group II (32) and left and right pump housing connecting sleeve (6,3), inside and outside pump is formed in a housing, the number of pump equals 2 × n, and wherein n is effect number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210187533.6A CN102691655B (en) | 2012-06-08 | 2012-06-08 | Shaft rotation double-stator cam rotor multi-output pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210187533.6A CN102691655B (en) | 2012-06-08 | 2012-06-08 | Shaft rotation double-stator cam rotor multi-output pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102691655A CN102691655A (en) | 2012-09-26 |
| CN102691655B true CN102691655B (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210187533.6A Expired - Fee Related CN102691655B (en) | 2012-06-08 | 2012-06-08 | Shaft rotation double-stator cam rotor multi-output pump |
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| CN (1) | CN102691655B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481798A (en) * | 2014-11-26 | 2015-04-01 | 宁波中意液压马达有限公司 | High-pressure end surface oil distribution inner-curve bulb-stopper hydraulic motor |
| CN112377363A (en) * | 2020-11-26 | 2021-02-19 | 黄淮学院 | Multi-stage variable displacement double-stator hydraulic motor |
| CN113565757B (en) * | 2021-07-01 | 2022-04-19 | 燕山大学 | Multi-stage pressure discharge multi-output pump |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101144473A (en) * | 2007-10-25 | 2008-03-19 | 燕山大学 | Constant breath curved line double-stator axial direction shuttle block pump |
| CN201443507U (en) * | 2008-08-12 | 2010-04-28 | 张金兰 | Stator structure of cam rotor vane pump |
| CN101847917A (en) * | 2010-03-29 | 2010-09-29 | 燕山大学 | Axially-rotating equal-width curve double-stator multi-speed motor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2608724Y (en) * | 2003-01-10 | 2004-03-31 | 郭松林 | Balanced cam rotor pump |
| MX2011010833A (en) * | 2009-04-16 | 2012-04-20 | Korona Group Ltd | Rotary machine with roller controlled vanes. |
| JP5479869B2 (en) * | 2009-12-04 | 2014-04-23 | カヤバ工業株式会社 | Electric vane pump |
-
2012
- 2012-06-08 CN CN201210187533.6A patent/CN102691655B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101144473A (en) * | 2007-10-25 | 2008-03-19 | 燕山大学 | Constant breath curved line double-stator axial direction shuttle block pump |
| CN201443507U (en) * | 2008-08-12 | 2010-04-28 | 张金兰 | Stator structure of cam rotor vane pump |
| CN101847917A (en) * | 2010-03-29 | 2010-09-29 | 燕山大学 | Axially-rotating equal-width curve double-stator multi-speed motor |
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| CN102691655A (en) | 2012-09-26 |
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Granted publication date: 20150225 Termination date: 20160608 |
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| CF01 | Termination of patent right due to non-payment of annual fee |