CN103671304B - A kind of integrated hydraulic transformer - Google Patents
A kind of integrated hydraulic transformer Download PDFInfo
- Publication number
- CN103671304B CN103671304B CN201310717213.1A CN201310717213A CN103671304B CN 103671304 B CN103671304 B CN 103671304B CN 201310717213 A CN201310717213 A CN 201310717213A CN 103671304 B CN103671304 B CN 103671304B
- Authority
- CN
- China
- Prior art keywords
- swash plate
- plunger
- notch
- hydraulic transformer
- end cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Reciprocating Pumps (AREA)
Abstract
A kind of integrated hydraulic transformer, relates to a kind of hydraulic transformer.There is restriction loss to solve existing hydraulic transformer, transformer regulating is less than scope, the problem that during operation, noise is large.Left end cap of the present invention, housing is connected from left to right successively with right end cap, outer ring swash plate is rotatably arranged in left end cap, interior annular swashplate is arranged on outer ring swash plate, outer swash plate adjustable lever is connected with outer ring swash plate through left end cap, interior swash plate adjustable lever is connected with interior annular swashplate with after outer ring swash plate through left end cap successively, cylinder body and thrust plate are successively set in described closed inner chamber from left to right, the external needle bearing of cylinder body, one end of multiple plunger coordinates with the plunger hole on cylinder body, the other end and piston shoes hinged, piston shoes are constrained on swash plate by interior outer baffle ring.The present invention is used for hydraulic pressure transformation.
Description
Technical field
The present invention relates to a kind of hydraulic element, be specifically related to a kind of integrated hydraulic transformer.
Background technique
The constant pressure network Secondary Regulation Technology that development in recent years is got up improves flexibility and the efficiency of hydraulic system.But, although Secondary Control principle has many advantages, it receives certain restriction in the application of Hydraulic Field.In driving spin load, by the controlling mechanism of Moderator Variable oil hydraulic motor, the driving of spin load can be realized.And driving the straight line load of different loads pressure requirements, traditional method is by a throttling control mode, because throttling control mode exists larger pressure difference, so this control mode brings larger energy loss.How the energy of constant pressure network is sent out with the loss of certain pressure noenergy as power transformer, mechanic gear device, the technical background of hydraulic transformer generation that Here it is.
Traditional hydraulic transformer is the form that pump-motors connects, and by the discharge capacity of Moderator Variable motor, is passed by oil supply pressure with certain pressure, can realize the function of hydraulic transformer.At that time this hydraulic transformer owing to being that two devices are bound up by unloading, thus volume, weight are all very large, and the controlling mechanism required drive of variable displacement motor is comparatively large, and cost is high, and efficiency is low, have impact on its application.
At Achten P A J.Hydraulic transformer.WO 97/31185, a kind of novel hydraulic transformer design concept is proposed in the patent of 1997, compared with conventional hydraulic transformer, oil hydraulic motor function, pumping function are integrated into all over the body by the type transformer, constitute an independent displacement devices, but there is restriction loss in this patent, transformer regulating is less than scope, the problem that during operation, noise is large.
Summary of the invention
The object of this invention is to provide a kind of integrated hydraulic transformer, there is restriction loss to solve existing hydraulic transformer, transformer regulating is less than scope, the problem that during operation, noise is large.
The present invention solves the problems of the technologies described above the technological scheme taked to be:
A kind of integrated hydraulic transformer comprises left end cap, housing and right end cap, left end cap, housing is connected from left to right successively with right end cap, the closed inner chamber of its Inner Constitution hydraulic transformer, described hydraulic transformer also comprises thrust plate, outer ring swash plate, interior annular swashplate, outer piston shoes, interior piston shoes, outer swash plate adjustable lever, interior swash plate adjustable lever, cylinder body and multiple plunger, outer ring swash plate is rotatably arranged in left end cap, interior annular swashplate is arranged on outer ring swash plate, and interior annular swashplate is arranged with outer ring swash plate is concentric, outer swash plate adjustable lever is connected with outer ring swash plate through left end cap, interior swash plate adjustable lever is connected with interior annular swashplate with after outer ring swash plate through left end cap successively, outer piston shoes are arranged on the end face of outer ring swash plate, interior piston shoes are arranged on the end face of interior annular swashplate, cylinder body and thrust plate are successively set in described closed inner chamber from left to right, one end of multiple plunger is arranged on cylinder body, the other end of multiple plunger is hinged on outer piston shoes and interior piston shoes respectively.
The present invention is as follows relative to the beneficial effect of prior art:
1, cylinder body of the present invention, multiple plunger and outer ring swash plate with the use of, its effect is equal to an oblique tray type plunger motor; Multiple plunger and inner ring thrust plate with the use of, its effect is equal to a swash plate plunger pump.Regulated by the pressure flow regulating the inclination angle of outer ring swash plate and interior annular swashplate to realize hydraulic transformer.
2, the present invention is provided with three notches on thrust plate, and outer shroud plunger and inner ring plunger share an integrated notch, and this notch is connected with fuel tank simultaneously, realizes suction oil according to hydraulic transformer need of work.This design, compared with traditional hydraulic transformer, simplifies oil circuit.
3, the present invention is provided with concentric swash plate, and multiple plunger acts on concentric swash plate, and the inclination angle of these two swash plates regulates according to transformation ratio respectively.Compared with Inanas hydraulic transformer, range of regulation of the present invention can be arbitrary value.
4, the present invention eliminates restriction loss from principle, also eliminates the noise that throttling action produces simultaneously.
5, structure of the present invention is simple, but regulates the function of pressure with achieving noenergy loss.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention, and Fig. 2 is the left view of outer ring swash plate, and Fig. 3 is the structural representation of outer swash plate adjustable lever, and Fig. 4 is the side view of thrust plate, and Fig. 5 is the sectional view of Fig. 4 at A-A place, and Fig. 6 is the side view of cylinder body.
Embodiment
Embodiment one: composition graphs 1-Fig. 6 illustrates present embodiment, present embodiment comprises left end cap 1, housing 2 and right end cap 3, left end cap 1, housing 2 is connected from left to right successively with right end cap 3, the closed inner chamber of its Inner Constitution hydraulic transformer, described hydraulic transformer also comprises thrust plate 4, outer ring swash plate 6, interior annular swashplate 7, outer piston shoes 8, interior piston shoes 9, outer swash plate adjustable lever 10, interior swash plate adjustable lever 11, cylinder body 12 and multiple plunger 5, outer ring swash plate 6 is rotatably arranged in left end cap 1, interior annular swashplate 7 is arranged on outer ring swash plate 6, and interior annular swashplate 7 is arranged with outer ring swash plate 6 is concentric, outer swash plate adjustable lever 10 is connected with outer ring swash plate 6 through left end cap 1, interior swash plate adjustable lever 11 is connected with interior annular swashplate 7 through left end cap 1 and outer ring swash plate 6 are rear successively, outer piston shoes 8 are arranged on the end face of outer ring swash plate 6, interior piston shoes 9 are arranged on the end face of interior annular swashplate 7, cylinder body 12 and thrust plate 4 are successively set in described closed inner chamber from left to right, one end of multiple plunger 5 is arranged on cylinder body 12, the other end of multiple plunger 5 is hinged on outer piston shoes 8 and interior piston shoes 9 respectively.
Present embodiment is provided with needle bearing 13 and needle bearing 14 between cylinder body 12 and housing 2.
Embodiment two: composition graphs 1 illustrates, the right end cap 3 of present embodiment is provided with the first pressure notch 3-1, the second pressure notch 3-2 and the 3rd pressure notch 3-3, described first pressure notch 3-1, the second pressure notch 3-2 and the 3rd pressure notch 3-3 are arching pressure notch, and the first pressure notch 3-1 is positioned at the side of right end cap 3 center line, the second pressure notch 3-2 and the 3rd pressure notch 3-3 is positioned at the opposite side of right end cap 3 center line.So arrange present embodiment, object is the overall operation being convenient to meet hydraulic transformer.In present embodiment, undocumented technical characteristics is identical with embodiment one.
Embodiment three: composition graphs 1, Fig. 4 and Fig. 5 explanation, the thrust plate 4 of present embodiment is provided with integrated notch 4-1, first point of notch 4-2 and second point of notch 4-3, integrated notch 4-1, first point of notch 4-2 and second point of notch 4-3 and matches with the structure of the first pressure notch 3-1, the second pressure notch 3-2 and the 3rd pressure notch 3-3 and size respectively.In present embodiment, undocumented technical characteristics is identical with embodiment two.
Embodiment four: composition graphs 1 and Fig. 6 explanation, on cylinder body 12 left side of present embodiment with the center of circle of left side for the round central point that distributes, annular array is provided with multiple inner ring plunger hole 12-1, and each inner ring plunger hole 12-1 internal clearance is combined with a plunger 5, on described cylinder body 12 left side with the center of circle of left side for the round central point that distributes, annular array is provided with multiple outer shroud plunger hole 12-2, and each outer shroud plunger hole 12-2 internal clearance is combined with a plunger 5, described multiple inner ring plunger hole 12-1 place distribution radius of a circle is less than multiple outer shroud plunger hole 12-2 place distribution circle radius, described cylinder body 12 right side is provided with multiple inner ring plunger fenestra 12-3, and each inner ring plunger fenestra 12-3 coaxially arranges with an inner ring plunger hole 12-1 and communicates, described cylinder body 12 right side is provided with multiple outer shroud plunger fenestra 12-4, and each outer shroud plunger fenestra 12-4 coaxially arranges with an outer shroud plunger hole 12-2 and communicates.So present embodiment is set, meets the overall operation of hydraulic transformer.In present embodiment, undocumented technical characteristics is identical with embodiment three.
Embodiment five: composition graphs 1 and Fig. 2 illustrate, the left end of the outer ring swash plate 6 of present embodiment is provided with mobile groove 6-1.So present embodiment is set, is convenient to the movement realizing interior swash plate adjustable lever 11.In present embodiment, undocumented technical characteristics is identical with embodiment four.
Embodiment six: composition graphs 1 and Fig. 3 illustrate, present embodiment, the middle part of outer swash plate adjustable lever 10 is provided with intermediate hole.So arranging present embodiment, is move interference in order to prevent at adjustment process China and foreign countries swash plate adjustable lever 10 and interior swash plate adjustable lever 11.In present embodiment, undocumented technical characteristics is identical with embodiment five.
Embodiment seven: composition graphs 1 illustrates, the hydraulic transformer of present embodiment also comprises ring shaped stopper 15 and ring-type catch 16, and ring-type catch 16 is pressed on the outer wall of outer piston shoes 8 by ring shaped stopper 15.So arrange present embodiment, when ensureing that plunger is overhanging, crawler shoe does not depart from swash plate.In present embodiment, undocumented technical characteristics is identical with embodiment six.
Embodiment eight: composition graphs 1 illustrates, the hydraulic transformer of present embodiment also comprises annular catch 17, and annular catch 17 is arranged on interior piston shoes 9.So present embodiment is set, when preventing plunger overhanging, departs from swash plate.In present embodiment, undocumented technical characteristics is identical with embodiment seven.
Embodiment nine: composition graphs 1 illustrates, the quantity of multiple plungers 5 of present embodiment is 15-30.So present embodiment is set.In present embodiment, undocumented technical characteristics is identical with embodiment eight.
Embodiment ten: composition graphs 1 illustrates, the quantity of multiple plungers 5 of present embodiment is 18.In present embodiment, undocumented technical characteristics is identical with embodiment nine.
Embodiment 11: composition graphs 1 illustrates, present embodiment between cylinder body 12 and housing 2, be provided with needle bearing 13, needle bearing 14.In present embodiment, undocumented technical characteristics is identical with embodiment ten.
Inside and outside ring plunger distribution diameter of a circle of the present invention, inside and outside ring plunger diameter ratio, these three factors of inside and outside ring number of plungers can regulate transformation ratio equally, can combine this three factors, design the hydraulic transformer that a series of transformation ratio scope is different.
Working principle of the present invention:
Working principle: hydraulic oil source exports fluid and also enters outer shroud plunger hole 12-2 by corresponding thrust plate pressure notch 4-3 by rear end cover second point of notch 3-3.Outer shroud plunger hole 12-2 on cylinder body 12, plunger 5 and outer ring swash plate 6 acting in conjunction are equivalent to an inclined disc type variable piston motor, and its active force produced makes cylinder body 2 rotate.The rotating speed of cylinder body 2 and torque can regulate the inclination angle of outer ring swash plate 6 to realize by outer swash plate adjustable lever 10.Fluid in outer shroud plunger hole 12-2 flows into inner ring plunger hole 12-1 from integrated notch 4-1, inner ring plunger hole 12-1 on the cylinder body 2 now rotated, plunger 5 and inner ring swash plate 7 acting in conjunction are equivalent to a plate variable plunger pump, and fluid exports from first point of notch 4-2 mouth.Flow and the pressure of the inclination angle output liquid of interior annular swashplate 7 is regulated by interior swash plate adjustable lever 11.With the corresponding first pressure notch 3-1 connected tank of integrated notch 4-1, according to the difference of above-mentioned two working stroke discharge capacities, suck from fuel tank or discharge fluid.
Claims (10)
1. an integrated hydraulic transformer, it comprises left end cap (1), housing (2) and right end cap (3), left end cap (1), housing (2) is connected from left to right successively with right end cap (3), the closed inner chamber of its Inner Constitution hydraulic transformer, it is characterized in that: described hydraulic transformer also comprises thrust plate (4), outer ring swash plate (6), interior annular swashplate (7), outer piston shoes (8), interior piston shoes (9), outer swash plate adjustable lever (10), interior swash plate adjustable lever (11), cylinder body (12) and multiple plunger (5), outer ring swash plate (6) is rotatably arranged in left end cap (1), interior annular swashplate (7) is arranged on outer ring swash plate (6), and interior annular swashplate (7) is arranged with outer ring swash plate (6) is concentric, outer swash plate adjustable lever (10) is connected with outer ring swash plate (6) through left end cap (1), interior swash plate adjustable lever (11) is connected with interior annular swashplate (7) with outer ring swash plate (6) afterwards through left end cap (1) successively, outer piston shoes (8) are arranged on the end face of outer ring swash plate (6), interior piston shoes (9) are arranged on the end face of interior annular swashplate (7), cylinder body (12) and thrust plate (4) are successively set in described closed inner chamber from left to right, one end of multiple plunger (5) is arranged on cylinder body (12), the other end of multiple plunger (5) is hinged on outer piston shoes (8) and interior piston shoes (9) respectively.
2. a kind of integrated hydraulic transformer according to claim 1, it is characterized in that: described right end cap (3) is provided with the first pressure notch (3-1), the second pressure notch (3-2) and the 3rd pressure notch (3-3), described first pressure notch (3-1), the second pressure notch (3-2) and the 3rd pressure notch (3-3) are arching pressure notch, and the first pressure notch (3-1) is positioned at the side of right end cap (3) center line, the second pressure notch (3-2) and the 3rd pressure notch (3-3) are positioned at the opposite side of right end cap (3) center line.
3. a kind of integrated hydraulic transformer according to claim 2, it is characterized in that: described thrust plate (4) is provided with integrated notch (4-1), first point of notch (4-2) and second point of notch (4-3), integrated notch (4-1), first point of notch (4-2) and second point of notch (4-3) match with the structure of the first pressure notch (3-1), the second pressure notch (3-2) and the 3rd pressure notch (3-3) and size respectively.
4. a kind of integrated hydraulic transformer according to claim 3, it is characterized in that: on described cylinder body (12) left side with the center of circle of left side for the round central point that distributes, annular array is provided with multiple inner ring plunger hole (12-1), and each inner ring plunger hole (12-1) internal clearance is combined with a plunger (5), on described cylinder body (12) left side with the center of circle of left side for the round central point that distributes, annular array is provided with multiple outer shroud plunger hole (12-2), and each outer shroud plunger hole (12-2) internal clearance is combined with a plunger (5), described multiple inner ring plunger hole (12-1) place distribution radius of a circle is less than multiple outer shroud plunger hole (12-2) place distribution circle radius, described cylinder body (12) right side is provided with multiple inner ring plunger fenestra (12-3), and each inner ring plunger fenestra (12-3) arranges with inner ring plunger hole (12-1) is coaxial and communicates, described cylinder body (12) right side is provided with multiple outer shroud plunger fenestra (12-4), and each outer shroud plunger fenestra (12-4) arranges with outer shroud plunger hole (12-2) is coaxial and communicates.
5. a kind of integrated hydraulic transformer according to claim 4, is characterized in that: the left end of described outer ring swash plate (6) is provided with mobile groove (6-1), and the intermediate portion of mobile groove (6-1) is provided with circular hole (6-2).
6. a kind of integrated hydraulic transformer according to claim 5, is characterized in that: the middle part of described outer swash plate adjustable lever (10) is provided with intermediate hole.
7. a kind of integrated hydraulic transformer according to claim 6, it is characterized in that: described hydraulic transformer also comprises ring shaped stopper (15) and ring-type catch (16), and ring-type catch (16) is pressed on the outer wall of outer piston shoes (8) by ring shaped stopper (15).
8. a kind of integrated hydraulic transformer according to claim 7, it is characterized in that: described hydraulic transformer also comprises annular catch (17), annular catch (17) is pressed on interior piston shoes (9).
9. a kind of integrated hydraulic transformer according to claim 1 or 8, is characterized in that: the quantity of described multiple plunger (5) is 15-30.
10. a kind of integrated hydraulic transformer according to claim 9, is characterized in that: the quantity of described multiple plunger (5) is 18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310717213.1A CN103671304B (en) | 2013-12-23 | 2013-12-23 | A kind of integrated hydraulic transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310717213.1A CN103671304B (en) | 2013-12-23 | 2013-12-23 | A kind of integrated hydraulic transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103671304A CN103671304A (en) | 2014-03-26 |
| CN103671304B true CN103671304B (en) | 2015-11-04 |
Family
ID=50309824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310717213.1A Expired - Fee Related CN103671304B (en) | 2013-12-23 | 2013-12-23 | A kind of integrated hydraulic transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103671304B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482159B (en) * | 2014-12-31 | 2017-02-08 | 太原科技大学 | Hydrostatic torque converter |
| CN105864124B (en) * | 2016-05-04 | 2017-08-15 | 太原科技大学 | A kind of hydraulic transformer with twin-rotor housing |
| CN112628244B (en) * | 2020-12-31 | 2023-06-30 | 广东工业大学 | Hydraulic transformer control method based on flow control and heave compensation system |
| CN113374747A (en) * | 2021-04-09 | 2021-09-10 | 哈尔滨理工大学 | Design method of swash plate plunger type hydraulic transformer buffering structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997031185A1 (en) * | 1996-02-23 | 1997-08-28 | Innas Free Piston B.V. | Pressure transformer |
| CN1455119A (en) * | 2003-06-02 | 2003-11-12 | 浙江大学 | Hydraulic transformer |
| CN101749292A (en) * | 2009-12-31 | 2010-06-23 | 北京理工大学 | Adjustable hydraulic transformer with rotary swash plate |
| CN103016430A (en) * | 2012-12-21 | 2013-04-03 | 哈尔滨工业大学 | Swash plate piston hydraulic transformer controlled by swing hydraulic motor |
| CN203604289U (en) * | 2013-12-23 | 2014-05-21 | 哈尔滨理工大学 | Integrated type hydraulic transformer |
-
2013
- 2013-12-23 CN CN201310717213.1A patent/CN103671304B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997031185A1 (en) * | 1996-02-23 | 1997-08-28 | Innas Free Piston B.V. | Pressure transformer |
| CN1455119A (en) * | 2003-06-02 | 2003-11-12 | 浙江大学 | Hydraulic transformer |
| CN101749292A (en) * | 2009-12-31 | 2010-06-23 | 北京理工大学 | Adjustable hydraulic transformer with rotary swash plate |
| CN103016430A (en) * | 2012-12-21 | 2013-04-03 | 哈尔滨工业大学 | Swash plate piston hydraulic transformer controlled by swing hydraulic motor |
| CN203604289U (en) * | 2013-12-23 | 2014-05-21 | 哈尔滨理工大学 | Integrated type hydraulic transformer |
Non-Patent Citations (1)
| Title |
|---|
| 斜盘柱塞式液压变压器的扭矩特性;刘成强 等;《华南理工大学学报》;20110630;第39卷(第6期);第24-28页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103671304A (en) | 2014-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103671304B (en) | A kind of integrated hydraulic transformer | |
| US2661695A (en) | Reduction of noise and shock in power pumps | |
| CN104948408A (en) | Variable axial plunger pump | |
| CN103958893B (en) | Hydrostatic piston engine | |
| CN203604289U (en) | Integrated type hydraulic transformer | |
| CN203604288U (en) | Valve plate for integrated type hydraulic transformer | |
| CN102562690B (en) | Low flow pulsation hydraulic pressure transformer | |
| CN109340100B (en) | A kind of plunger pump | |
| CN103075317B (en) | A kind of Dual-pump type axial variable displacement plunger pump | |
| CN203604287U (en) | Flow distribution assembly used for integrated type hydraulic transformer | |
| CN102691655B (en) | Shaft rotation double-stator cam rotor multi-output pump | |
| CN203604324U (en) | Integrated hydraulic transformer cylinder component with plunger | |
| CN105587481A (en) | High-speed variable-displacement axial plunger pump | |
| US2261471A (en) | Adjustable volume control pump and two-stage pump | |
| CN104482159B (en) | Hydrostatic torque converter | |
| CN209671150U (en) | A kind of large power shaft of similar planetary gear train structure is to pluger type hydraulic pump | |
| CN201496223U (en) | High-pressure independent variable plunger electric oil pump | |
| US2672819A (en) | Expansible-chamber and positivedisplacement type pump of variable capacity | |
| CN108425820A (en) | A kind of cam-type axial piston pump of included slippage pump | |
| CN105545835B (en) | A kind of parallel connection type inclined shaft type hydraulic transformer | |
| CN103423117A (en) | Conjoined abutting-type volume adjustable hydraulic pump | |
| CN109072953A (en) | hydraulic cylinder | |
| CN203476625U (en) | Inclined disc type axial plunger pump | |
| CN207377740U (en) | Oblique tray type axial plunger piston variable pump | |
| CN101127279A (en) | Multi-pole piston jar pump combination device for hydraulic pressure operation machine of high voltage breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151104 Termination date: 20161223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |