CN108999817A - A kind of hydraulic voltage-transforming method - Google Patents
A kind of hydraulic voltage-transforming method Download PDFInfo
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- CN108999817A CN108999817A CN201811058807.5A CN201811058807A CN108999817A CN 108999817 A CN108999817 A CN 108999817A CN 201811058807 A CN201811058807 A CN 201811058807A CN 108999817 A CN108999817 A CN 108999817A
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- Prior art keywords
- stator
- rotor
- hydraulic
- piston
- pintle
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
This application discloses a kind of hydraulic voltage-transforming methods.The hydraulic voltage-transforming method includes connecting drive shaft with rotor, in the stator by rotor setting, and rotor is mounted on pintle by bearing holder (housing, cover)；Three hydraulic fluid ports are set on pintle, at least three plunger shafts are set on rotor, make the corresponding piston of each plunger shaft, piston is located in corresponding plunger shaft；Radial disbalance between rotor and stator inner wall is arranged, stator inner wall is defined position of the piston in plunger shaft, and the both ends of plunger shaft are respectively communicated with a hydraulic fluid port in stator interior and pintle；Drive shaft rotation is driven, drive shaft drives rotor to rotate in the stator, moves reciprocatingly so as to be located at the intracavitary piston of rotary piston；Stator driving mechanism is connect with stator, stator driving mechanism drives the rotation of stator relative rotor, so as to change radial disbalance direction between rotor and stator.Present application addresses hydraulic voltage-transforming method transformation narrow ranges in the prior art, control the big technical problem of difficulty.
Description
Technical field
This application involves field of mechanical technique, in particular to a kind of hydraulic voltage-transforming method.
Background technique
Hydraulic transformer is a kind of Hydraulic Elements that pressure conversion is realized in Hydraulic Power Transmission System.It can press input
Power is expeditiously converted to another pressure output, can both be depressured and can or boost.Not only it can without restriction loss drive
Dynamic straight line load, can also drive rotary load, have wide application prospect in hydraulic constant pressure network.
Hydraulic transformer in the prior art substantially mostly uses axial piston structure, passes through the group of two Hydraulic Elements
It closes to realize, or changed come work by rotary valve plate or wobbler based on the Curve guide impeller to axial plunger pump
Become the pressure ratio between output pressure and input pressure.
Hydraulic transformation side's transformation narrow range of hydraulic transformer in the prior art, control difficulty is big, limits application range.
Summary of the invention
The main purpose of the application is to provide a kind of hydraulic voltage-transforming method, to solve hydraulic voltage-transforming method in the prior art
Transformation narrow range, the big problem of control difficulty.
To achieve the goals above, according to the one aspect of the embodiment of the present application, a kind of hydraulic voltage-transforming method is provided.
Include: according to the hydraulic voltage-transforming method of the application
Drive shaft is connect with rotor, in the stator by rotor setting, and rotor is mounted on pintle by bearing holder (housing, cover)；
Three hydraulic fluid ports are set on pintle, at least three plunger shafts are set on rotor, make each plunger shaft corresponding one
A piston, piston are located in corresponding plunger shaft；
Radial disbalance between rotor and stator inner wall is arranged, stator inner wall limits position of the piston in plunger shaft
Fixed, the both ends of plunger shaft are respectively communicated with a hydraulic fluid port in stator interior and pintle；
Drive shaft rotation is driven, drive shaft drives rotor to rotate in the stator, so as to be located at the intracavitary piston of rotary piston
It moves reciprocatingly, to adjust the pressure between hydraulic fluid port；
Stator driving mechanism is connect with stator, stator driving mechanism drives the rotation of stator relative rotor, turns so as to change
Radial disbalance direction between son and stator, to adjust the pressure ratio between hydraulic fluid port.
Optionally, stator is equipped with worm gear, and radial concentric between worm gear and rotor is arranged；
Stator driving mechanism is worm drive mechanism, and the worm screw that stator driving mechanism includes engages with the worm gear on stator；
Stator driving mechanism drives the worm gear rotation on stator, so as to change radial disbalance direction between rotor and stator.
Optionally, this method further include:
Be arranged on pintle three hydraulic fluid ports are respectively communicated with extraneous high-pressure oil passage, extraneous low pressure oil way and extraneous load oil
Road.
Optionally, piston is bulb stopper or plunger.
Optionally, at least three plunger shafts are evenly distributed on rotor.
Optionally, this method further include:
By stator sleeve on stator liner, and rotor is arranged in stator liner.
Optionally, this method further include:
Stator is arranged in shell, and makes between stator and shell that there are gaps；
The first opening and the second opening are set on shell, so that drive shaft one end is connect by the first opening with rotor,
Pintle is connect by the second opening with rotor；
Pintle is fixed on shell, and rotor is fixed on shell by bearing, stator driving mechanism is stretched one end
Enter and is connect in shell with stator.
Optionally, this method further include:
End cap is connected on shell, and end cap is covered in the first opening；
Third is arranged on end cap to be open, so that shell is extended by third opening in one end of drive shaft.
Optionally, this method further include:
Purge cock is connected on shell.
In the embodiment of the present application, fixed by driving by the way of radial disbalance setting between stator inner wall and rotor
The method that son rotation changes radial disbalance direction between stator inner wall and rotor, has reached and has adjusted the pressure ratio between hydraulic fluid port
Purpose simplifies mechanical structure to realize, and increases transformation range, reduces the technical effect of control difficulty, and then solve
It has determined hydraulic voltage-transforming method transformation narrow range in the prior art, the big technical problem of control difficulty.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present application, so that the application's is other
Feature, objects and advantages become more apparent upon.The illustrative examples attached drawing and its explanation of the application is for explaining the application, not
Constitute the improper restriction to the application.In the accompanying drawings:
Fig. 1 is the structural schematic diagram according to a kind of hydraulic transformer using hydraulic voltage-transforming method of the embodiment of the present application；
Fig. 2 is the lateral sectional view of one of Fig. 1 hydraulic transformer.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without making creative work, all should belong to the model of the application protection
It encloses.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to embodiments herein described herein.In addition, term " includes " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing a series of steps or units
Process, method, system, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include without clear
Other step or units listing to Chu or intrinsic for these process, methods, product or equipment.
In this application, term " on ", "lower", "inner", "outside", " in " etc. instructions orientation or positional relationship be based on attached
Orientation or positional relationship shown in figure.These terms are not intended to primarily to better describe the present invention and embodiment
Limit indicated device, element or component there must be particular orientation, or be constructed and operated with particular orientation.
Also, above-mentioned part term is other than it can be used to indicate that orientation or positional relationship, it is also possible to for indicating it
His meaning, such as term " on " also are likely used for indicating certain relations of dependence or connection relationship in some cases.For ability
For the those of ordinary skill of domain, the concrete meaning of these terms in the present invention can be understood as the case may be.
In addition, term " installation ", " setting ", " being equipped with ", " connection ", " fixation ", " socket " shall be understood in a broad sense.For example,
It may be a fixed connection, be detachably connected or monolithic construction；It can be mechanical connection, or electrical connection；It can be direct phase
It even, or indirectly connected through an intermediary, or is two connections internal between device, element or component.
For those of ordinary skills, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Embodiment one
As depicted in figs. 1 and 2, this application involves a kind of hydraulic voltage-transforming methods, comprising:
Drive shaft 1 is connect with rotor 3, rotor 3 is arranged in stator 2, and rotor 3 is mounted in flow by bearing holder (housing, cover)
On axis 4；
Three hydraulic fluid ports 41 are set on pintle 4, at least three plunger shafts 31 are set on rotor 3, make each plunger shaft
A 31 corresponding pistons 6, piston 6 are located in corresponding plunger shaft 31；
Radial disbalance between 2 inner wall of rotor 3 and stator is arranged, position of 2 inner wall of stator to piston 6 in plunger shaft 31
It is defined, the both ends of plunger shaft 31 are respectively communicated with a hydraulic fluid port 41 in 2 inside of stator and pintle 4；
Drive shaft 1 is driven to rotate, drive shaft 1 drives rotor 3 to rotate in stator 2, so as to be located in 3 plunger shaft 31 of rotor
Piston 6 move reciprocatingly, to adjust the pressure between hydraulic fluid port 41；
Stator driving mechanism 5 is connect with stator 2, stator driving mechanism 5 drives the rotation of 2 relative rotor 3 of stator, so as to change
Become radial disbalance direction between rotor 3 and stator 2, to adjust the pressure ratio between hydraulic fluid port 41.
In the embodiment of the present application, by the way of radial disbalance setting between 2 inner wall of stator and rotor 3, pass through driving
The method that the rotation of stator 2 changes radial disbalance direction between 2 inner wall of stator and rotor 3, has reached and has adjusted between three hydraulic fluid ports 41
Pressure ratio purpose, wherein the driving rotation of stator 2 changes radial disbalance direction between 2 inner wall of stator and rotor 3 and changes
The position of the variant 6 opposing pistons chamber 31 of orientation upper piston of rotor 3, and then change the pressure between hydraulic fluid port 41, to adjust
Pressure ratio between hydraulic fluid port 41.It is much smaller than in the prior art using the number of parts of the hydraulic transformer of this hydraulic voltage-transforming method
Hydraulic transformer, simplify mechanical structure to realize；Since the rotation of stator 2 can be driven to change 2 inner wall of stator and turn
Radial disbalance direction can substantially increase the transformation model of this hydraulic voltage-transforming method between 0 to 360 ° in this way between son 3
It encloses, simultaneously effective reduces the technical effect of control difficulty.
Optionally, stator 2 is equipped with worm gear, and radial concentric between worm gear and rotor 3 is arranged；
Stator driving mechanism 5 is worm drive mechanism, and the worm screw that stator driving mechanism 5 includes nibbles with the worm gear on stator 2
It closes；
Stator driving mechanism 5 drives the worm gear rotation on stator 2, so as to change radial disbalance side between rotor 3 and stator 2
To.
In the present embodiment, radial concentric is arranged between worm gear and rotor 3, becomes define the rotary motion trace of stator 2 in this way,
Since stator driving mechanism 5 drives the worm gear rotation on stator 2 to may be implemented to change radial disbalance side between rotor 3 and stator 2
To the radially different heart that is, between the rotary motion trace of stator 2 and rotor 3, this hydrostatic sensor is only needed by driving stator driving
Mechanism 5, which operates, can be thus achieved the pressure ratio changed between three hydraulic fluid ports 41, complete transformation operation, to realize reduction control
The technical effect of difficulty processed.
It should be noted that in the embodiment of the present application, stator driving mechanism should be not limited to worm gear mechanism, this field
Technical staff can be specifically arranged with actual conditions other can drive stator rotate mechanism.
Optionally, this method further include:
Be arranged on pintle 4 three hydraulic fluid ports 41 are respectively communicated with extraneous high-pressure oil passage (A mouthfuls), extraneous low pressure oil way (A
Mouthful) and extraneous load oil circuit (B mouthfuls).
In the present embodiment, changing radial disbalance direction between 2 inner wall of stator and rotor 3 by the driving rotation of stator 2 is
Change the position of the variant 6 opposing pistons chamber 31 of orientation upper piston of rotor 3, so change extraneous high-pressure oil passage (A mouthful) with outside
Pressure between boundary's low pressure oil way (T mouthfuls), to adjust between extraneous high-pressure oil passage (A mouthfuls) and extraneous low pressure oil way (T mouthfuls)
Pressure ratio.
Optionally, piston 6 is bulb stopper or plunger.
Optionally, at least three plunger shafts 31 are evenly distributed on rotor 3.
In the present embodiment, the quantity of plunger shaft 31 can be that 3,4,5,6,7,8,9 ... multiple plunger shafts 31 should be equal
It is even to be distributed on rotor 3, to realize preferable transformation effect.
Optionally, this method further include:
Stator 2 is sleeved on stator liner 7, and rotor 3 is arranged in stator liner 7.
In the present embodiment, the equal abrasion to complicated stator 2 of piston 6 can be reduced by setting stator liner 7,
When 7 serious wear of stator liner, stator liner 7 can be replaced, avoiding replacement, structure is complicated and cost is higher fixed
Son 2.
Optionally, this method further include:
Stator 2 is arranged in shell 8, and makes between stator 2 and shell 8 that there are gaps；
The first opening and the second opening are set on shell 8, so that 1 one end of drive shaft is connected by the first opening with rotor 3
It connects, pintle 4 is connect by the second opening with rotor 3；
Pintle 4 is fixed on shell 8, and rotor 3 is fixed on shell 8 by bearing, stator driving mechanism 5 one
End is protruded into shell 8 and is connect with stator 2.
Optionally, pintle 4 is fixed on shell 8 by retaining ring.
Optionally, this method further include:
End cap 9 is connected on shell 8, and end cap 9 is covered in the first opening；
Third is arranged on end cap 9 to be open, so that shell 8 is extended by third opening in one end of drive shaft 1.
Optionally, this method further include:
Purge cock 10 is connected on shell 8.
In the embodiment of the present application, this hydraulic voltage-transforming method is arranged using radial disbalance between 2 inner wall of stator and rotor 3
Mode is changed the method in radial disbalance direction between 2 inner wall of stator and rotor 3 by the driving rotation of stator 2, has reached adjusting oil
The purpose of pressure ratio between mouth 41, increases transformation range to realize, and reduces the technical effect of control difficulty, into
And solve hydraulic voltage-transforming method transformation narrow range in the prior art, the big technical problem of control difficulty.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (9)
1. a kind of hydraulic voltage-transforming method, which is characterized in that the described method includes:
Drive shaft is connect with rotor, in the stator by rotor setting, and the rotor is mounted in flow by bearing holder (housing, cover)
On axis；
Three hydraulic fluid ports are set on the pintle, at least three plunger shafts are set on the rotor, make each piston
Chamber corresponds to a piston, and the piston is located in the corresponding plunger shaft；
Radial disbalance between the rotor and the stator inner wall is arranged, the stator inner wall is to the piston in the piston
Position in chamber is defined, and the both ends of the plunger shaft are respectively communicated with an oil in the stator interior and the pintle
Mouthful；
The drive shaft is driven to rotate, the drive shaft drives the rotor to rotate in the stator, so as to be located at described turn
Piston in sub- plunger shaft moves reciprocatingly, to adjust the pressure between the hydraulic fluid port；
Stator driving mechanism is connect with the stator, the stator driving mechanism drives the relatively described rotor rotation of the stator
Turn, so as to change radial disbalance direction between the rotor and the stator, to adjust the pressure ratio between the hydraulic fluid port.
2. hydraulic voltage-transforming method according to claim 1, it is characterised in that:
The stator is equipped with worm gear, and radial concentric between the worm gear and the rotor is arranged；
The stator driving mechanism is worm drive mechanism, the snail on worm screw and the stator that the stator driving mechanism includes
Wheel engagement；
The stator driving mechanism drives the worm gear on the stator to rotate, so as to change diameter between the rotor and the stator
To eccentric direction.
3. hydraulic voltage-transforming method according to claim 1, which is characterized in that the method also includes:
Three hydraulic fluid ports being arranged on the pintle are respectively communicated with extraneous high-pressure oil passage, extraneous low pressure oil way and the external world to bear
Carry oil circuit.
4. hydraulic voltage-transforming method according to claim 1, which is characterized in that the piston is bulb stopper or plunger.
5. hydraulic voltage-transforming method according to claim 1, which is characterized in that at least three plunger shaft to be uniformly distributed
On the rotor.
6. hydraulic voltage-transforming method according to claim 1, which is characterized in that the method also includes:
By the stator sleeve on the stator liner, and the rotor is arranged in the stator liner.
7. hydraulic voltage-transforming method according to claim 1, which is characterized in that the method also includes:
The stator is arranged in shell, and makes between the stator and the shell that there are gaps；
The first opening and the second opening are set on the housing, so that described drive shaft one end is open and institute by described first
Rotor connection is stated, the pintle is connect by second opening with the rotor；
It is the pintle is fixed on the housing and the rotor is fixed on the housing by bearing, it is described fixed
Sub- driving mechanism one end is protruded into the shell and is connect with the stator.
8. hydraulic voltage-transforming method according to claim 7, which is characterized in that the method also includes:
On the housing by end cap connection, and the end cap is covered in first opening；
Third is arranged on the end cap to be open, so that the shell is extended by third opening in one end of the drive shaft
Body.
9. hydraulic voltage-transforming method according to claim 7, which is characterized in that the method also includes:
On the housing by purge cock connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811058807.5A CN108999817B (en) | 2018-09-11 | 2018-09-11 | Hydraulic pressure transformation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811058807.5A CN108999817B (en) | 2018-09-11 | 2018-09-11 | Hydraulic pressure transformation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108999817A true CN108999817A (en) | 2018-12-14 |
| CN108999817B CN108999817B (en) | 2020-06-02 |
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ID=64590987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811058807.5A Active CN108999817B (en) | 2018-09-11 | 2018-09-11 | Hydraulic pressure transformation method |
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| Country | Link |
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| CN (1) | CN108999817B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542683A (en) * | 2022-03-15 | 2022-05-27 | 北京理工大学 | Conjuncted ball plunger pump motor |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1509797A (en) * | 1966-02-03 | 1968-01-12 | Molins Machine Co Ltd | Improvements to pressure intensifiers |
| GB1317742A (en) * | 1970-06-26 | 1973-05-23 | Barrett G M | Fluid pressure intensifier |
| DE69712870T2 (en) * | 1996-02-23 | 2002-12-12 | Innas Free Piston Bv | PRESSURE TRANSFORMATION DEVICE |
| US7214315B2 (en) * | 2004-08-20 | 2007-05-08 | Scott Shumway | Pressure exchange apparatus with integral pump |
| CN201588825U (en) * | 2009-10-14 | 2010-09-22 | 山东交通学院 | Hand-controlled blade type hydraulic transformer |
| CN102094856A (en) * | 2011-01-04 | 2011-06-15 | 孟庆龙 | Hydraulic device for increasing pressure |
| CN102777432A (en) * | 2012-07-21 | 2012-11-14 | 蒋祖光 | Rotating pressure transmitting device with pressurizing function |
| CN103089405A (en) * | 2013-01-09 | 2013-05-08 | 北京理工大学 | Rotor clutch type motor-driven power generation turbocharger |
| CN107461370A (en) * | 2017-07-24 | 2017-12-12 | 徐州工程学院 | A kind of electro-hydraulic integrated swash plate plunger type hydraulic transformer |
| US20180252206A1 (en) * | 2017-03-03 | 2018-09-06 | Pistonpower Aps | Pressure amplifier |
-
2018
- 2018-09-11 CN CN201811058807.5A patent/CN108999817B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1509797A (en) * | 1966-02-03 | 1968-01-12 | Molins Machine Co Ltd | Improvements to pressure intensifiers |
| GB1317742A (en) * | 1970-06-26 | 1973-05-23 | Barrett G M | Fluid pressure intensifier |
| DE69712870T2 (en) * | 1996-02-23 | 2002-12-12 | Innas Free Piston Bv | PRESSURE TRANSFORMATION DEVICE |
| US7214315B2 (en) * | 2004-08-20 | 2007-05-08 | Scott Shumway | Pressure exchange apparatus with integral pump |
| CN201588825U (en) * | 2009-10-14 | 2010-09-22 | 山东交通学院 | Hand-controlled blade type hydraulic transformer |
| CN102094856A (en) * | 2011-01-04 | 2011-06-15 | 孟庆龙 | Hydraulic device for increasing pressure |
| CN102777432A (en) * | 2012-07-21 | 2012-11-14 | 蒋祖光 | Rotating pressure transmitting device with pressurizing function |
| CN103089405A (en) * | 2013-01-09 | 2013-05-08 | 北京理工大学 | Rotor clutch type motor-driven power generation turbocharger |
| US20180252206A1 (en) * | 2017-03-03 | 2018-09-06 | Pistonpower Aps | Pressure amplifier |
| CN107461370A (en) * | 2017-07-24 | 2017-12-12 | 徐州工程学院 | A kind of electro-hydraulic integrated swash plate plunger type hydraulic transformer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542683A (en) * | 2022-03-15 | 2022-05-27 | 北京理工大学 | Conjuncted ball plunger pump motor |
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| Publication number | Publication date |
|---|---|
| CN108999817B (en) | 2020-06-02 |
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