CN107906066B - It rushes case and makes wave hydraulic system - Google Patents
It rushes case and makes wave hydraulic system Download PDFInfo
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- CN107906066B CN107906066B CN201711121204.0A CN201711121204A CN107906066B CN 107906066 B CN107906066 B CN 107906066B CN 201711121204 A CN201711121204 A CN 201711121204A CN 107906066 B CN107906066 B CN 107906066B
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- hydraulic
- oil
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- rushes
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Classifications
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
- E02B1/02—Hydraulic models
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20576—Systems with pumps with multiple pumps
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
A kind of case that rushes makes wave hydraulic system, including first rushes case and make wave oil circuit and second and rush case and make wave oil circuit；First, which rushes case, makes the first motor that wave oil circuit includes the first hydraulic pump of first hydraulic cylinder, the first hydraulic pump and driving, it is connected with first on the piston rod of first hydraulic cylinder and rushes case, the output circuit of first hydraulic pump is equipped with the first reversing control valve, and auxiliary cylinders are equipped between the first reversing control valve and first hydraulic cylinder；Second, which rushes case, makes the second motor that wave oil circuit includes the second hydraulic pump of second hydraulic cylinder, the second hydraulic pump and driving, is connected with second on the piston rod of second hydraulic cylinder and rushes case, the second reversing control valve is equipped between the second hydraulic pump and second hydraulic cylinder；Two output oil ports of the first reversing control valve are connected with oil pocket A1 and oil pocket A2 respectively, two hydraulic fluid ports of first hydraulic cylinder are connected with oil pocket A4 and oil pocket A5 respectively, third reversing control valve is equipped between second hydraulic cylinder and auxiliary cylinders, third reversing control valve is connected with oil pocket A3 and oil pocket A6 respectively.
Description
Technical field
The invention belongs to fluid dynamics experimental technique fields, specifically make wave hydraulic system for a kind of case that rushes.
Background technique
In fields such as Ship and port, ocean engineerings, the simulation of wave is a kind of important test method, wave generation be
The experimental technique of maritime environment is simulated in experimental trough, wave maker is the core equipment of wave generation.Wave maker by control system,
The composition such as drive system and push wave plate, can generate various forms of waves, build for studying wave to ship, harbour, marine worker
Build the effect of building in equal water.
It is existing to rush case wave generation, it is mainly used for the generation rule wave in pond.When needing to generate special wave,
It is difficult to realize；Even if can be realized, it is also desirable to which using complicated control technology, and there is also make the problems such as wave effect is undesirable.
The i.e. existing applicability for rushing case wave making system is poor.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of casees that rushes to make wave hydraulic system, using rushing for the hydraulic system
Case wave maker can realize one-shot case make wave, it is double rush case synchronize make wave and it is double rush case pulse and make wave etc. make wave mode, can effectively mention
High applicability.
In order to achieve the above objectives, the invention provides the following technical scheme:
A kind of case that rushes makes wave hydraulic system, including first rushes case and make wave oil circuit and second and rush case and make wave oil circuit；
Described first, which rushes case, makes wave oil circuit includes first hydraulic cylinder, the first hydraulic pump and driving first hydraulic pump the
One motor is connected with first on the piston rod of the first hydraulic cylinder and rushes case, sets on the output circuit of first hydraulic pump
There is the first reversing control valve, auxiliary cylinders are equipped between first reversing control valve and the first hydraulic cylinder；
Described second, which rushes case, makes wave oil circuit includes second hydraulic cylinder, the second hydraulic pump and driving second hydraulic pump the
Two motors are connected with second on the piston rod of the second hydraulic cylinder and rush case, second hydraulic pump and described second hydraulic
The second reversing control valve is equipped between cylinder；
The auxiliary cylinders include two three chamber hydraulic cylinders, and the three chambers hydraulic cylinder includes cylinder body, and liquid is equipped in the cylinder body
Chamber is pressed, the hydraulic cavities include the biggish big chamber section of cross-sectional area and the lesser small chamber section of cross-sectional area, are set in the hydraulic cavities
There is piston rod, the big piston being fixed in the big chamber section on the piston rod and the small work in the small chamber section
Plug, the difference of the cross-sectional area between the big chamber section and the piston rod are equal to twice of the cross-sectional area of the small chamber section；Two
In a three chambers hydraulic cylinder, one of them described three chambers hydraulic cylinder is divided by the big piston and small piston positioned at described big
Oil pocket A1 between piston and cylinder body, the oil pocket A3 between big piston and small piston and between small piston and cylinder body
Oil pocket A4, another described three chambers hydraulic cylinder are divided between the big piston and cylinder body by the big piston and small piston
A2, the oil pocket A5 between big piston and small piston and the oil pocket A6 between small piston and cylinder body；
Two output oil ports of first reversing control valve are connected with the oil pocket A1 and oil pocket A2 respectively, and described first
Two hydraulic fluid ports of hydraulic cylinder are connected with the oil pocket A4 and oil pocket A5 respectively, set between the second hydraulic cylinder and the auxiliary cylinders
There is solenoid directional control valve, the solenoid directional control valve is connected with the oil pocket A3 and oil pocket A6 respectively.
Further, rotary valve or servo reversing valve is respectively adopted in first reversing control valve and the second reversing control valve.
Further, the oil outlet of first hydraulic pump is equipped with the first ratio and controls oil circuit, the first ratio control
Oil circuit is equipped with the first electromagnetic proportional valve；The oil outlet of second hydraulic pump is equipped with the second ratio and controls oil circuit, and described the
Two ratios control oil circuit and are equipped with the second electromagnetic proportional valve.
Further, the oil outlet of first hydraulic pump is equipped with the first check valve for preventing hydraulic oil from flowing backwards, and described the
The oil outlet of two hydraulic pumps is equipped with the second one-way valve for preventing hydraulic oil from flowing backwards.
Further, the oil outlet of first hydraulic pump is bypassed equipped with the first overflow, is set in the first overflow bypass
There is the first electromagnetic relief valve；The oil outlet of second hydraulic pump is bypassed equipped with the second overflow, in the second overflow bypass
Equipped with the second electromagnetic relief valve.
Further, the cylinder body setting of two three chambers hydraulic cylinders is integrated.
Further, connection bypass, institute are equipped between the oil outlet of first hydraulic pump and the oil outlet of the second hydraulic pump
It states connection bypass and is equipped with reversal valve.
The beneficial effects of the present invention are:
The case that rushes of the invention makes wave hydraulic system, by linkage control first hydraulic cylinder and second hydraulic cylinder, it can be achieved that list
Rush case make wave, it is double rush case synchronize make wave and it is double rush case pulse and make wave, the principle is as follows:
Make wave mode 1: one-shot case makes wave
Solenoid directional control valve cuts off second hydraulic cylinder and auxiliary cylinders, starts first motor, the first hydraulic oil pump feed, and oil liquid passes through
First reversing control valve enters auxiliary cylinders, enters back into first hydraulic cylinder, and as the commutation of the first reversing control valve is adjusted, and first
Hydraulic cylinder moves reciprocatingly, and by adjusting the frequency of the first reversing control valve and the power of first motor, rushes case to control first
Make wave frequency rate and amplitude；Solenoid directional control valve cuts off second hydraulic cylinder and auxiliary cylinders, and second hydraulic cylinder without motion realizes one-shot case
Make wave；In the preferred technical solution of the present invention, oil circuit is controlled by the first ratio of setting, by adjusting the first electromagnetic proportional valve
Pressure, the control for making wave amplitude can be realized under conditions of power of motor is constant；
Make wave mode 2: it is double rush case and synchronize make standing wave
Solenoid directional control valve is connected to second hydraulic cylinder and auxiliary cylinders, and the second reversing control valve cuts off second hydraulic cylinder and the second liquid
Press pump starts first motor, and the first hydraulic oil pump feed, oil liquid enters auxiliary cylinders by the first reversing control valve, at this time due to electricity
Magnetic reversal valve connection second hydraulic cylinder and auxiliary cylinders, oil liquid enter first hydraulic cylinder and second hydraulic cylinder, and in the work of auxiliary cylinders
Moved synchronously with lower realization, two same frequencys are superimposed as standing wave with the wave of amplitude, realize at this time it is double rush case and synchronize make standing wave；?
In the preferred technical solution of the present invention, it is equipped with by connection between the oil outlet of the first hydraulic pump and the oil outlet of the second hydraulic pump
Road, connection bypass are equipped with reversal valve, and control reversal valve is connected to the oil outlet of the first hydraulic pump and the oil outlet of the second hydraulic pump,
Start the second motor, the second hydraulic oil pump feed, (fuel feeding is to increase for oil stream simultaneously for the first hydraulic pump and the second hydraulic pump
Amount, the underfed for avoiding two hydraulic cylinders while occurring when moving, and the problem for causing wave amplitude too small；)
Make wave mode 3: double casees that rush make impulse wave
Solenoid directional control valve cuts off second hydraulic cylinder and auxiliary cylinders, starts first motor, the first hydraulic oil pump feed, and oil liquid passes through
First reversing control valve enters auxiliary cylinders, and as the switching of the first reversing control valve, first hydraulic cylinder move reciprocatingly, passes through
Adjust the frequency of the first reversing control valve and the power of first motor, come control first rush case make wave frequency rate and amplitude；Starting
Second motor, the second hydraulic oil pump feed, oil liquid enter second hydraulic cylinder by the second reversing control valve, and as the second commutation is controlled
The switching of valve processed, second hydraulic cylinder move reciprocatingly, by adjusting the frequency of the second reversing control valve and the power of the second motor,
Come control second rush case make wave frequency rate and amplitude；The wave of two different frequency difference amplitudes is superimposed as impulse wave, realizes double
It rushes case and makes impulse wave；In the preferred technical solution of the present invention, oil circuit is controlled by the first ratio of setting, by adjusting the first electricity
The pressure of magnetic proportioning valve can realize the control for making wave amplitude under conditions of power of motor is constant；By the way that the second ratio is arranged
Oil circuit is controlled, by adjusting the pressure of the second electromagnetic proportional valve, can be realized under conditions of power of motor is constant and make wave amplitude
Control；
In summary, case wave maker is rushed, it can be achieved that one-shot case makes wave, Shuan Chong using what the present invention rushed that case makes wave hydraulic system
Case synchronize make wave and it is double rush case pulse and make wave etc. make wave mode, applicability can be effectively improved.
Detailed description of the invention
In order to keep the purpose of the present invention, technical scheme and beneficial effects clearer, the present invention provides following attached drawing and carries out
Illustrate:
Fig. 1 is that the present invention rushes the structural schematic diagram that case makes wave hydraulic system embodiment；
Fig. 2 is the structural schematic diagram of auxiliary cylinders.
Description of symbols:
1- oil groove, 2- first filter, the first electromagnetic relief valve of 3-, the first hydraulic pump of 4-, 5- first motor, 6- first are changed
To control valve, 7- auxiliary cylinders, 8- first rushes case, 9- solenoid directional control valve, 10- first hydraulic cylinder, 11- second hydraulic cylinder, 12- second
Rush case, 13- reversal valve, the second reversing control valve of 14-, the second hydraulic pump of 15-, the second motor of 16-, the second electromagnetic relief valve of 17-,
The second filter of 18-, the second electromagnetic proportional valve of 19-, the first electromagnetic proportional valve of 20-.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, so that those skilled in the art can be with
It better understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As shown in Figure 1, rushing the structural schematic diagram that case makes wave hydraulic system embodiment for the present invention.The case that rushes of the present embodiment is made
Wave hydraulic system, including first rush case and make wave oil circuit and second and rush case and make wave oil circuit.
It includes that first hydraulic cylinder 10, the first hydraulic pump 4 and driving first are hydraulic that the first of the present embodiment, which rushes case and make wave oil circuit,
The first motor 5 of pump is connected with first on the piston rod of first hydraulic cylinder 10 and rushes case 8, on the output circuit of the first hydraulic pump 4
Equipped with the first reversing control valve 6, auxiliary cylinders 7 are equipped between the first reversing control valve 6 and first hydraulic cylinder 10.
It includes that second hydraulic cylinder 11, the second hydraulic pump 15 and driving second are hydraulic that the second of the present embodiment, which rushes case and make wave oil circuit,
Second motor 16 of pump is connected with second on the piston rod of second hydraulic cylinder 11 and rushes case 12, the second hydraulic pump 15 and the second liquid
The second reversing control valve 14 is equipped between cylinder pressure 11.
The auxiliary cylinders 7 of the present embodiment include two three chamber hydraulic cylinders, and three chamber hydraulic cylinders include cylinder body, are equipped in cylinder body hydraulic
Chamber, hydraulic cavities include the biggish big chamber section of cross-sectional area and the lesser small chamber section of cross-sectional area, and piston rod is equipped in hydraulic cavities, living
The big piston and the small piston in small chamber section being fixed on stopper rod in big chamber section, and between big chamber section and piston rod
The difference of cross-sectional area be equal to twice of cross-sectional area of small chamber section；In two three chamber hydraulic cylinders, one of them three chamber hydraulic cylinder
Oil pocket A1 between big piston and cylinder body, the oil between big piston and small piston are divided by big piston and small piston
The chamber A3 and oil pocket A4 between small piston and cylinder body, another three chambers hydraulic cylinder is divided by big piston and small piston to be located at
A2, the oil pocket A5 between big piston and small piston and the oil between small piston and cylinder body between big piston and cylinder body
Chamber A6.Specifically, the cylinder body setting of two three chamber hydraulic cylinders of the present embodiment is integrated.Oil pocket A3, oil pocket A4, oil pocket A5 and oil
Repairing oil circuit is respectively equipped on chamber A6, repairing oil circuit is connected with oil groove 1.The cylinder body of two three chamber hydraulic cylinders of the present embodiment is arranged
It is integrated.
Two output oil ports of the first reversing control valve 6 are connected with oil pocket A1 and oil pocket A2 respectively, first hydraulic cylinder 10
Two hydraulic fluid ports are connected with oil pocket A4 and oil pocket A5 respectively, and solenoid directional control valve 9, electricity are equipped between second hydraulic cylinder 11 and auxiliary cylinders 7
Magnetic reversal valve 9 is connected with oil pocket A3 and oil pocket A6 respectively.
Further, rotary valve or servo reversing valve is respectively adopted in the first reversing control valve 6 and the second reversing control valve 14.This reality
The first reversing control valve 6 and the second reversing control valve 14 for applying example are all made of rotary valve.
Further, the oil outlet of first hydraulic pump 4 of the present embodiment is equipped with the first ratio and controls oil circuit, the first ratio control
Liquefaction road is equipped with the first electromagnetic proportional valve 20；The oil outlet of second hydraulic pump 15 be equipped with the second ratio control oil circuit, second
Ratio controls oil circuit and is equipped with the second electromagnetic proportional valve 19.It is set respectively between first hydraulic pump 4 and the second hydraulic pump 15 and oil groove 1
There are first filter 2 and the second filter 18.Oil circuit is controlled by the first ratio of setting and the second ratio controls oil circuit, Ke Yishi
Under conditions of present first motor 5 and 16 power output of the second motor are constant, realization rushes case 8 and second to first and rushes the width of case 12
The control of value.
Further, the oil outlet of the first hydraulic pump 4 is equipped with the first check valve for preventing hydraulic oil from flowing backwards, the second hydraulic pump
15 oil outlet is equipped with the second one-way valve for preventing hydraulic oil from flowing backwards.The oil outlet of first hydraulic pump 4 of the present embodiment is set
There is the first overflow bypass, the first overflow bypass is equipped with the first electromagnetic relief valve 3；The oil outlet of second hydraulic pump 15 is equipped with the
Two overflows bypass, the second overflow bypass are equipped with the second electromagnetic relief valve 17.
Further, the company of being equipped between the oil outlet of first hydraulic pump 4 of the present embodiment and the oil outlet of the second hydraulic pump 15
Logical bypass, connection bypass are equipped with reversal valve 13.
The case that rushes of the present embodiment makes wave hydraulic system, by linkage control first hydraulic cylinder and second hydraulic cylinder, it can be achieved that
One-shot case make wave, it is double rush case synchronize make wave and it is double rush case pulse and make wave, the principle is as follows:
Make wave mode 1: one-shot case makes wave
Solenoid directional control valve cuts off second hydraulic cylinder and auxiliary cylinders, starts first motor, the first hydraulic oil pump feed, and oil liquid passes through
First reversing control valve enters auxiliary cylinders, enters back into first hydraulic cylinder, and as the commutation of the first reversing control valve is adjusted, and first
Hydraulic cylinder moves reciprocatingly, and by adjusting the frequency of the first reversing control valve and the power of first motor, rushes case to control first
Make wave frequency rate and amplitude；Solenoid directional control valve cuts off second hydraulic cylinder and auxiliary cylinders, and second hydraulic cylinder without motion realizes one-shot case
Make wave；In the optimal technical scheme of the present embodiment, oil circuit is controlled by the first ratio of setting, by adjusting the first solenoid-operated proportional
The pressure of valve can realize the control for making wave amplitude under conditions of power of motor is constant；
Make wave mode 2: it is double rush case and synchronize make standing wave
Solenoid directional control valve is connected to second hydraulic cylinder and auxiliary cylinders, and the second reversing control valve cuts off second hydraulic cylinder and the second liquid
Press pump starts first motor, and the first hydraulic oil pump feed, oil liquid enters auxiliary cylinders by the first reversing control valve, at this time due to electricity
Magnetic reversal valve connection second hydraulic cylinder and auxiliary cylinders, oil liquid enter first hydraulic cylinder and second hydraulic cylinder, and in the work of auxiliary cylinders
Moved synchronously with lower realization, two same frequencys are superimposed as standing wave with the wave of amplitude, realize at this time it is double rush case and synchronize make standing wave；?
In the optimal technical scheme of the present embodiment, connection is equipped between the oil outlet of the first hydraulic pump and the oil outlet of the second hydraulic pump
It bypasses, connection bypasses the fuel-displaced of the oil outlet and the second hydraulic pump that reversal valve the first hydraulic pump of connection is controlled equipped with reversal valve
Mouthful, start the second motor, the second hydraulic oil pump feed, (fuel feeding is to increase fuel feeding simultaneously for the first hydraulic pump and the second hydraulic pump
Flow, the underfed for avoiding two hydraulic cylinders while occurring when moving, and the problem for causing wave amplitude too small；
Make wave mode 3: double casees that rush make impulse wave
Solenoid directional control valve cuts off second hydraulic cylinder and auxiliary cylinders, starts first motor, the first hydraulic oil pump feed, and oil liquid passes through
First reversing control valve enters auxiliary cylinders, and as the switching of the first reversing control valve, first hydraulic cylinder move reciprocatingly, passes through
Adjust the frequency of the first reversing control valve and the power of first motor, come control first rush case make wave frequency rate and amplitude；Starting
Second motor, the second hydraulic oil pump feed, oil liquid enter second hydraulic cylinder by the second reversing control valve, and as the second commutation is controlled
The switching of valve processed, second hydraulic cylinder move reciprocatingly, by adjusting the frequency of the second reversing control valve and the power of the second motor,
Come control second rush case make wave frequency rate and amplitude；The wave of two different frequency difference amplitudes is superimposed as impulse wave, realizes double
It rushes case and makes impulse wave；In the optimal technical scheme of the present embodiment, oil circuit is controlled by the first ratio of setting, by adjusting first
The pressure of electromagnetic proportional valve can realize the control for making wave amplitude under conditions of power of motor is constant；Pass through the second ratio of setting
Example control oil circuit can be realized under conditions of power of motor is constant by adjusting the pressure of the second electromagnetic proportional valve and make wave amplitude
The control of value.
In summary, case wave maker is rushed, it can be achieved that one-shot case makes wave, Shuan Chong using what the present invention rushed that case makes wave hydraulic system
Case synchronize make wave and it is double rush case pulse and make wave etc. make wave mode, applicability can be effectively improved.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in the present invention
Protection scope within.Protection scope of the present invention is subject to claims.
Claims (7)
1. a kind of case that rushes makes wave hydraulic system, it is characterised in that: rush case including first and make wave oil circuit and second and rush case and make wave oil circuit；
Described first, which rushes case, makes the first electricity that wave oil circuit includes first hydraulic cylinder, the first hydraulic pump and driving first hydraulic pump
Machine is connected with first on the piston rod of the first hydraulic cylinder and rushes case, and the output circuit of first hydraulic pump is equipped with the
One reversing control valve is equipped with auxiliary cylinders between first reversing control valve and the first hydraulic cylinder；
Described second, which rushes case, makes the second electricity that wave oil circuit includes second hydraulic cylinder, the second hydraulic pump and driving second hydraulic pump
Machine is connected with second on the piston rod of the second hydraulic cylinder and rushes case, second hydraulic pump and the second hydraulic cylinder it
Between be equipped with the second reversing control valve；
The auxiliary cylinders include two three chamber hydraulic cylinders, and the three chambers hydraulic cylinder includes cylinder body, and hydraulic cavities are equipped in the cylinder body,
The hydraulic cavities include the biggish big chamber section of cross-sectional area and the lesser small chamber section of cross-sectional area, are equipped with piston in the hydraulic cavities
Bar is fixed with the big piston in the big chamber section and the small piston in the small chamber section, institute on the piston rod
The difference for stating the cross-sectional area between big chamber section and the piston rod is equal to twice of cross-sectional area of the small chamber section；Described in two
In three chamber hydraulic cylinders, one of them described three chambers hydraulic cylinder by the big piston and small piston be divided into positioned at the big piston with
Oil pocket A1 between cylinder body, the oil pocket A3 between big piston and small piston and the oil pocket between small piston and cylinder body
A4, another described three chambers hydraulic cylinder are divided between the big piston and cylinder body by the big piston and small piston
A2, the oil pocket A5 between big piston and small piston and the oil pocket A6 between small piston and cylinder body；
Two output oil ports of first reversing control valve are connected with the oil pocket A1 and oil pocket A2 respectively, and described first is hydraulic
Two hydraulic fluid ports of cylinder are connected with the oil pocket A4 and oil pocket A5 respectively, and electricity is equipped between the second hydraulic cylinder and the auxiliary cylinders
Magnetic reversal valve, the solenoid directional control valve are connected with the oil pocket A3 and oil pocket A6 respectively.
2. the case according to claim 1 that rushes makes wave hydraulic system, it is characterised in that: first reversing control valve and second
Rotary valve or servo reversing valve is respectively adopted in reversing control valve.
3. the case according to claim 1 that rushes makes wave hydraulic system, it is characterised in that: the oil outlet of first hydraulic pump
Oil circuit is controlled equipped with the first ratio, the first ratio control oil circuit is equipped with the first electromagnetic proportional valve；Second hydraulic pump
Oil outlet be equipped with the second ratio and control oil circuit, second ratio control oil circuit is equipped with the second electromagnetic proportional valve.
4. the case according to claim 3 that rushes makes wave hydraulic system, it is characterised in that: the oil outlet of first hydraulic pump
Equipped with the first check valve for preventing hydraulic oil from flowing backwards, the oil outlet of second hydraulic pump is equipped with prevent hydraulic oil from flowing backwards the
Two check valves.
5. the case according to claim 1 that rushes makes wave hydraulic system, it is characterised in that: the oil outlet of first hydraulic pump
It is bypassed equipped with the first overflow, the first overflow bypass is equipped with the first electromagnetic relief valve；The oil outlet of second hydraulic pump
Place is equipped with the second overflow and bypasses, and the second overflow bypass is equipped with the second electromagnetic relief valve.
6. the case according to claim 1 that rushes makes wave hydraulic system, it is characterised in that: the cylinder body of two three chambers hydraulic cylinders
Setting is integrated.
7. the case according to claim 1-6 that rushes makes wave hydraulic system, it is characterised in that: first hydraulic pump
Connection bypass is equipped between oil outlet and the oil outlet of the second hydraulic pump, the connection bypass is equipped with reversal valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121204.0A CN107906066B (en) | 2017-11-14 | 2017-11-14 | It rushes case and makes wave hydraulic system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121204.0A CN107906066B (en) | 2017-11-14 | 2017-11-14 | It rushes case and makes wave hydraulic system |
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| Publication Number | Publication Date |
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| CN107906066A CN107906066A (en) | 2018-04-13 |
| CN107906066B true CN107906066B (en) | 2019-05-28 |
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| CN201711121204.0A Expired - Fee Related CN107906066B (en) | 2017-11-14 | 2017-11-14 | It rushes case and makes wave hydraulic system |
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| CN111336150B (en) * | 2020-03-26 | 2021-08-20 | 浙江大学宁波理工学院 | Multi-way valve |
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| CN205260466U (en) * | 2015-12-15 | 2016-05-25 | 三一集团有限公司 | Fork sword action hydraulic system and fork truck |
| CN206159140U (en) * | 2016-10-19 | 2017-05-10 | 山东大学 | A hydraulic control system for wave energy power generation facility |
| CN206311299U (en) * | 2016-11-30 | 2017-07-07 | 无锡东方海洋测试设备有限公司 | It is large-scale to push away, shake mating type wave maker |
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| CN107906066A (en) | 2018-04-13 |
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