CN102691655A - Shaft rotation double-stator cam rotor multi-output pump - Google Patents

Shaft rotation double-stator cam rotor multi-output pump Download PDF

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Publication number
CN102691655A
CN102691655A CN2012101875336A CN201210187533A CN102691655A CN 102691655 A CN102691655 A CN 102691655A CN 2012101875336 A CN2012101875336 A CN 2012101875336A CN 201210187533 A CN201210187533 A CN 201210187533A CN 102691655 A CN102691655 A CN 102691655A
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China
Prior art keywords
stator
pump
cam follower
connecting sleeve
external
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CN2012101875336A
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CN102691655B (en
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闻德生
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Yanshan University
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Yanshan University
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Publication of CN102691655B publication Critical patent/CN102691655B/en
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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

Axle rotates two many rear pumps of stator cam follower
Technical field
The present invention relates to a kind of hydraulic pressure variable capacity machinery, particularly relate to a kind of and rotate two many rear pumps of stator cam follower.
Background technique
Oil hydraulic motor is just obtaining increasingly extensive application as a kind of increasingly mature hydraulic element in all trades and professions.In various motors; Main component major part is in the sliding friction state; Both influenced working life, and reduced working efficiency again, simultaneously most motors need retracting spring to reset could to work; And destroy by the spring fatigue that to-and-fro motion causes, directly influenced the working life and the reliability of motor.Existing motor great majority are single input list output motor, if want to realize that the multiple speed output of motor is just necessary with a plurality of motors parallel connections, so be difficult for realizing large-scale speed change and bending moment, it is high-power also to be difficult for realization, small volume, lightweight.
Summary of the invention
In order to overcome the above-mentioned deficiency that existing technology exists, the present invention provides a kind of to rotate two many rear pumps of stator cam follower, and this invention stable working, efficient height can be realized the output of multiple 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 is rotated two many rear pumps of stator cam follower; Comprise inner stator, external stator, right end cap, left end cap, left bearing and right bearing, said inner stator forward outer surface curve and external stator internal surface curve are two identical smooth closed curves.Said left end cap and left pump housing connecting sleeve, external stator, right pump housing connecting sleeve, right end cap are installed together through bolt, cam follower by left and right Bearing Installation in the die cavity that left pump housing connecting sleeve, external stator and right pump housing connecting sleeve form.Match with the cam internal surface of cam follower in the front portion of inner stator, its rear portion is installed on the right end cap by round nut, lock washer, is provided with between inner stator and the right end cap and prevents the two positioning key in relative rotation.Pump piece group II is set in the chute of two symmetries of external stator, in the chute in the middle of the inner stator pump piece group I is set, the both sides of each chute of external stator have the external stator dispensing window.Said external stator dispensing window is communicated with the external stator oil through, and the quantity of said external stator dispensing window is 2 * n (n is the effect number).The outer surface of the anterior chute of inner stator (1) both sides has the inner stator dispensing window, and said inner stator dispensing window is communicated with the inner stator oil through, and the inner stator dispensing window is identical with external stator dispensing window quantity.
The position of the corresponding chute of said external stator has 2 ~ 3 screwed radial direction through hole, and spring and adjustment bolt are equipped with in the pump piece one side processing and said radial direction through hole isodiametric blind hole corresponding with radial direction through hole in the radial direction through hole of external stator.
The pump piece group I that is provided with in the anterior chute of said inner stator is made up of spring and two pump pieces, and interior pump spring is arranged between two pump pieces.
The external surface shape of said cam follower is a cam curved surface, and its inner surface configuration also is a cam curved surface, the left outer surface processing keyway of cam follower, and its axle center is processed with the radial direction oil hole of leaking oilhole and being communicated with said leakage oilhole.Oilhole is leaked in the axle center processing of cam follower, and said leakage oilhole is connected with the leakage hydraulic fluid port of inner stator.
Said left pump housing connecting sleeve is a circular piece, has 6 tapped holes that match with external stator at its circumference, has the hole that rotor is installed in its center of circle, and the head that left pump housing connecting sleeve is installed in cam follower cooperates with external stator.Right pump housing connecting sleeve also is a circular piece, has 6 tapped holes that cooperate with the external stator half-phase at its circumference, has the hole that rotor is installed in its center of circle.
The smooth closed curve of said cam follower be big or small circular arc and between multistage etc. quicken and wait the deceleration curve composition.
Pump in the cam internal surface of said inner stator, cam follower, pump piece group I and left and right pump housing connecting sleeve are formed; The cam outer face of said external stator, cam follower, pump piece group II and left and right pump housing connecting sleeve are formed outer pump, in a housing, constitute 2 * n pump, and wherein n is the effect number.Single a pair of, double-acting two pairs, multifunctional many to inside and outside pump, the number of pump equals 2 * n; Wherein n is the effect number, n=1 ~ 10, but be not limited thereto; Preferably, n=2 ~ 5 so can reach the balance of pump between function requirement and volume control requirement preferably.
The invention has the beneficial effects as follows: this invention is owing to have dispensing window on external stator circular curve surface with inner stator forward part outer surface, thus make inside and outside rotor and the wearing and tearing of pump piece group are little, leakage less, wearing clearance can compensate automatically.While stable working of the present invention, volume is little, and is in light weight, and specific power is big, and is workable, long service life, efficient is high.The present invention is provided with the how fast oil hydraulic pump of a plurality of different inputs in a housing, as the different displacements oil hydraulic pump.Can export separately and form many rear pumps, also can lump together and form a big flow output; If use, the output of multiple different torque and rotating speed can be arranged as motor.
Description of drawings
Fig. 1 is that axle rotates two many rear pumps of stator cam follower structural representations;
Fig. 2 is that axle rotates two many rear pumps of stator cam follower A-A sectional views;
Fig. 3 is the structural representation of rotor;
Fig. 4 is the right elevation of rotor;
Fig. 5 is left pump housing connecting sleeve structural representation;
Fig. 6 is right pump housing connecting sleeve structural representation;
Fig. 7 inner stator structural representation;
The D-D sectional view of Fig. 8 inner stator;
The B-B sectional view of Fig. 9 inner stator;
The C-C sectional view of Figure 10 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. pump piece group II, 12. adjustment posts, 13. socket head screws, 14. outer pump springs, 15. positioning keys, 16. drain taps, 17. adjustment packing rings, 18. lock washers; 19. round nut, 20. pump pieces, 21. pump piece group I, 22. leak oilhole, 23. cam outer face; 24. the cam internal surface, 25. right bearings, 26. interior pump springs, 27. tapped holes, 28. pin holes; 29. the inner stator oil through, 30. inner stator dispensing windows, 31. external stator oil throughs, 32. pump piece group II, 33 external stator dispensing windows.
Embodiment
Fig. 1, Fig. 2 are that the present invention discloses a kind of two many rear pumps of stator cam follower of rotation; Comprise inner stator 1, external stator 4, right end cap 2, left end cap 7, left bearing 10 and right bearing 25, said inner stator 1 forward outer surface curve and external stator 4 internal surface curves are two identical smooth closed curves.Said 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 through bolt, and cam follower 8 is installed in the die cavity that left pump housing connecting sleeve 6, external stator 4 and right pump housing connecting sleeve 3 form 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 installed on the right end cap 2 by round nut 19, lock washer 18.Pump piece group II 32 is set in the chute of 4 two symmetries of external stator, in the chute in the middle of the inner stator 1 pump piece group I 21 is set, the both sides of external stator 4 each chute have external stator dispensing window 33, and the outer dispensing window 33 of said stator is communicated with the outer oil through 31 of stator.The outer surface of said inner stator 1 anterior chute both sides has inner stator dispensing window 30, and said inner stator dispensing window 30 is communicated with the outer oil through 29 of stator.
The position of said external stator 4 corresponding chutes has 3 screwed radial direction through hole, and spring 12 and adjustment bolt 13 are equipped with in the pump piece 11 one sides processing and said radial direction through hole isodiametric blind hole corresponding with radial direction through hole in the radial direction through hole of external stator 4.
The pump piece group I 21 that is provided with in the said inner stator 1 anterior chute is made up of interior pump spring 26 and two pump pieces 20, pump spring 26 in being provided with between two pump pieces 20.
The external surface shape of said cam follower 8 is a cam outer face 23, and its inner surface configuration also is a cam internal surface 24, the left outer surface processing keyway of cam follower 8, and its axle center is processed with the radial direction oil hole of leaking oilhole 22 and being communicated with said leakage oilhole 22.Oilhole 22 is leaked in the axle center processing of cam follower 8, and said leakage oilhole 22 is connected with the leakage hydraulic fluid port of inner stator 1.
Said left pump housing connecting sleeve 6 is a circular piece, has 6 tapped holes 27 that match with external stator 4 at its circumference, and the head that left pump housing connecting sleeve 6 is installed in cam follower 8 cooperates with external stator 4.Right pump housing connecting sleeve 3 also is a circular piece, has 6 tapped holes 27 that cooperate with external stator 4 half-phases at its circumference.Right pump housing connecting sleeve 3 is installed in the afterbody of cam follower 8 round cylinders, to play the effect of supporting cam follower 8.
The smooth closed curve of said cam follower 8 be big or small circular arc and between multistage etc. quicken and wait the deceleration curve composition.
The cam internal surface 24 of said inner stator 1, cam follower 8, pump piece group I 21 and left and right pump housing connecting sleeve (6,3) are formed 2 interior pumps.Cam outer face 23, pump piece group II 11 and left and right pump housing connecting sleeve (6,3) by external stator 4, cam follower 8 are formed 2 outer pumps, in a housing, constitute 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 a plurality of pumps just forms a plurality of different outputs, forms many rear pumps.

Claims (8)

1. an axle rotates two many rear pumps of stator cam follower; Comprise right end cap (2), left end cap (7), left bearing (10) and right bearing (25); It is characterized in that: said 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 through bolt, and cam follower (8) is installed in the die cavity that left pump housing connecting sleeve (6), external stator (4) and right pump housing connecting sleeve (3) form 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 installed on the right end cap (2) by round nut (19), lock washer (18); In the chute of (4) two symmetries of external stator pump piece group II (32) is set; In the chute in the middle of the inner stator (1) pump piece group I (21) is set; The both sides of each chute of external stator (4) have external stator dispensing window (33), and said external stator dispensing window (33) is communicated with external stator oil through (31), and the quantity of said external stator dispensing window (33) is 2 * n; The outer surface of the anterior chute of inner stator (1) both sides has inner stator dispensing window (30); Said inner stator dispensing window (30) is communicated with inner stator oil through (29), and inner stator dispensing window (30) is identical with external stator dispensing window (33) quantity, and wherein n is the effect number.
2. axle according to claim 1 rotates two many rear pumps of stator cam follower; It is characterized in that: the position of the corresponding chute of said external stator (4) has 2 ~ 3 screwed radial direction through hole; Pump piece group II (32), adjustment post (12), outer pump spring (14) and socket head screw (13) are installed in pump piece (11) the one sides processing and said radial direction through hole isodiametric blind hole corresponding with radial direction through hole in the radial direction through hole of said external stator (4).
3. axle according to claim 1 rotates two many rear pumps of stator cam follower; It is characterized in that: the pump piece group I (21) that is provided with in the anterior chute of said inner stator (1) is made up of interior pump spring (26) and two pump pieces (20), and interior pump spring (26) is set between two pump pieces (20).
4. axle according to claim 1 rotates two many rear pumps of stator cam follower; It is characterized in that: the external surface shape of said 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 said leakage oilhole (22).
5. axle according to claim 4 rotates two many rear pumps of stator cam follower, and it is characterized in that: the leakage oilhole (22) in the axle center of said cam follower (8) is connected with the leakage hydraulic fluid port of inner stator (1).
6. axle according to claim 1 rotates two many rear pumps of stator cam follower; It is characterized in that: said left pump housing connecting sleeve (6) is a circular piece; Have drain tap (16) at its outer surface; Have 6 tapped holes (27) that match with external stator (4) and pin hole (28) at its circumference, the head that left pump housing connecting sleeve (6) is installed in cam follower (8) cooperates with external stator (4); Said right pump housing connecting sleeve (3) also is a circular piece, has drain tap (16) at its outer surface, has 6 tapped holes (27) that match with external stator (4) and pin hole (28) at its circumference.
7. axle according to claim 1 rotates two many rear pumps of stator cam follower, and it is characterized in that: said inner stator (1) forward outer surface curve is two similar smooth closed curves with external stator (4) internal surface curve.
8. axle according to claim 1 rotates two many rear pumps of stator cam follower; It is characterized in that: pump in the cam internal surface (24) of said inner stator (1), cam follower (8), pump piece group I (21) and left and right pump housing connecting sleeve (6,3) are formed; Cam outer face (23), pump piece group II (32) and left and right pump housing connecting sleeve (6,3) by external stator (4), cam follower (8) are formed outer pump; In a housing, constitute inside and outside pump; The number of pump equals 2 * n, and wherein n is the effect number.
CN201210187533.6A 2012-06-08 2012-06-08 Shaft rotation double-stator cam rotor multi-output pump Expired - Fee Related CN102691655B (en)

Priority Applications (1)

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CN201210187533.6A CN102691655B (en) 2012-06-08 2012-06-08 Shaft rotation double-stator cam rotor multi-output pump

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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

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CN102691655B CN102691655B (en) 2015-02-25

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Cited By (3)

* Cited by examiner, † Cited by third party
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
CN113565757A (en) * 2021-07-01 2021-10-29 燕山大学 Multi-stage pressure discharge multi-output pump

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1503333A1 (en) * 1964-11-26 1970-03-19 Aage Jensen Engine
CN2608724Y (en) * 2003-01-10 2004-03-31 郭松林 Balanced cam rotor pump
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
WO2010118518A1 (en) * 2009-04-16 2010-10-21 Korona Group Ltd. Rotary machine with roller controlled vanes
JP2011117391A (en) * 2009-12-04 2011-06-16 Kyb Co Ltd Electric vane pump

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1503333A1 (en) * 1964-11-26 1970-03-19 Aage Jensen Engine
CN2608724Y (en) * 2003-01-10 2004-03-31 郭松林 Balanced cam rotor pump
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
WO2010118518A1 (en) * 2009-04-16 2010-10-21 Korona Group Ltd. Rotary machine with roller controlled vanes
JP2011117391A (en) * 2009-12-04 2011-06-16 Kyb Co Ltd Electric vane pump
CN101847917A (en) * 2010-03-29 2010-09-29 燕山大学 Axially-rotating equal-width curve double-stator multi-speed motor

Cited By (3)

* Cited by examiner, † Cited by third party
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
CN113565757A (en) * 2021-07-01 2021-10-29 燕山大学 Multi-stage pressure discharge multi-output pump

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