CN103591056B - Energy-storage pressure stepless adjustable hydraulic device - Google Patents
Energy-storage pressure stepless adjustable hydraulic device Download PDFInfo
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- CN103591056B CN103591056B CN201210292717.9A CN201210292717A CN103591056B CN 103591056 B CN103591056 B CN 103591056B CN 201210292717 A CN201210292717 A CN 201210292717A CN 103591056 B CN103591056 B CN 103591056B
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- oil
- accumulator
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- path block
- piston
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Abstract
The invention discloses a kind of energy-storage pressure stepless adjustable hydraulic device.It includes an oil path block, is provided with pressure oil oil circuit, controls to be provided with accumulator on oil oil circuit and oil return circuit, and described oil path block and in order to control the first control valve group that this energy storage pressure oil flows in described oil path block；Described accumulator is a first piston formula accumulator, and it being also equipped with at least one second piston accumulator on described oil path block and in order to control the second control valve group that this at least one second piston accumulator pressure oil flows to, the air chamber of at least one the second piston accumulator described connects with the air chamber of described first piston formula accumulator.The present invention makes the pressure of accumulator can realize stepless changing, and the pressure adjusting range of hydraulic means output is big, and cost is relatively low, and cost performance is high.
Description
Technical field
The present invention relates to a kind of hydraulic means, be specifically related to a kind of energy-storage pressure stepless adjustable hydraulic device.
Background technology
At present, there is producer to be transformed into machine of the deposited end by ceramic press is carried out technology upgrading, be used for substituting double disk friction screw press pressure
Pan processed.The pan used due to everyday life has different specifications, and this is accomplished by applying end machine master cylinder in pressing process
Different grades of pressure (different size of pressure oil flow) can be exported and can be only achieved the technology requirement of double disk friction screw press.Apply
The master cylinder of end machine is by carrying out fuel feeding with the hydraulic means of accumulator, but, the pressure limit ratio required for master cylinder
The when of bigger, the accumulator volume required for hydraulic means is also inevitable very big, and the accumulator quantity namely needed is more, leads
The cost causing whole hydraulic means is significantly increased.
Summary of the invention
In place of present invention aims to the deficiencies in the prior art, it is provided that one can realize the stepless adjustable hydraulic pressure of energy-storage pressure
Device.
For reaching above-mentioned purpose, the present invention adopts the following technical scheme that
Energy-storage pressure stepless adjustable hydraulic device, including an oil path block, is provided with pressure oil oil circuit, controls oil in described oil path block
Accumulator is installed and in order to control the first control that this energy storage pressure oil flows on oil circuit and oil return circuit, and described oil path block
Valve group；Described accumulator is a first piston formula accumulator, and is also equipped with at least one second piston type on described oil path block
Accumulator and in order to control the second control valve group that this at least one second piston accumulator pressure oil flows to, described at least one
The air chamber of the second piston accumulator connects with the air chamber of described first piston formula accumulator.
As preferably, the air chamber of described second piston accumulator is by an accumulator connection valve plate and described first piston formula accumulation of energy
The air chamber connection of device.
As preferably, described first control valve group includes: a proportional pressure control valve, and corresponding described oil path block pressure oil oil circuit is arranged on
On oil path block；With one first electromagnetic direction valve, corresponding described oil path block pressure oil oil circuit and first piston formula accumulator are arranged on oil
On the block of road, enter first piston formula accumulator in order to control the pressure oil in pressure oil oil circuit.
Further preferably, described first control valve valve group also includes one first Solenoid ball valve, described in described first Solenoid ball valve correspondence
Oil path block oil return circuit and first piston formula accumulator are arranged on oil path block, in order to control the pressure in first piston formula accumulator
Oil enters oil return circuit.
As preferably, described second control valve group includes: a proportional pressure control valve, and corresponding described oil path block pressure oil oil circuit is arranged on
On oil path block；With one second electromagnetic direction valve, corresponding described oil path block pressure oil oil circuit and the second piston accumulator are arranged on oil
On the block of road, enter the second piston accumulator in order to control the pressure oil in pressure oil oil circuit.
Further preferably, described second control valve group also includes one second Solenoid ball valve, the corresponding described oil of described second Solenoid ball valve
Road block oil return circuit and the second piston accumulator are arranged on oil path block, in order to control the pressure oil in the second piston accumulator
Enter oil return circuit.
As preferably, above-mentioned first control valve valve group and the second control valve group use same proportional pressure control valve.
The present invention, by using said structure, makes the pressure of accumulator can realize stepless changing, and the pressure of hydraulic means output adjusts
Scope is big, and cost is relatively low, and cost performance is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
In figure:
1 oil path block；2 first piston formula accumulators；3 second piston accumulators；4 accumulator connection valve plates；5 ratios
Example overflow valve；61 first electromagnetic direction valves；62 first Solenoid ball valves；71 second electromagnetic direction valves；72 second electromagnetism
Ball valve.
In conjunction with drawings and Examples, the invention will be further described.
Detailed description of the invention
As it is shown in figure 1, energy-storage pressure stepless adjustable hydraulic device of the present invention, mainly by oil path block 1, first piston
Formula accumulator the 2, second piston accumulator the 3, first control valve group and the second control valve group composition.
It is provided with pressure oil oil circuit in oil path block 1, controls oil oil circuit and oil return circuit, and side end face is provided with for first piston formula
The installing hole that accumulator the 2, second piston accumulator the 3, first control valve group and the second control valve group are installed.
First piston formula accumulator 2 and the second piston accumulator 3 are mounted side by side on the upper surface of oil path block 1, the second piston
The air chamber of formula accumulator 3 is connected with the air chamber of first piston formula accumulator 2 by one piece of accumulator connection valve plate 4.
First control valve group flows to, mainly by proportional pressure control valve 5, first in order to the pressure oil controlling first piston formula accumulator 2
Electromagnetic direction valve 61 and the first Solenoid ball valve 62 form.The pressure oil oil circuit of the corresponding oil path block of proportional pressure control valve 5 is arranged on oil circuit
On block 1.The corresponding oil path block pressure oil oil circuit of first electromagnetic direction valve 61 and first piston formula accumulator 2 are arranged on oil path block 1,
First piston formula accumulator 2 is entered in order to control the pressure oil in pressure oil oil circuit.The corresponding oil path block oil return of first Solenoid ball valve 62
Oil circuit and first piston formula accumulator 2 are arranged on oil path block, enter back in order to control the pressure oil in first piston formula accumulator
Oil oil circuit.
Second control valve group flows to for the pressure oil controlling the second piston accumulator 2, mainly by proportional pressure control valve, the second electricity
Magnetic direction valve 71 and the second Solenoid ball valve 72 form.Wherein proportional pressure control valve is the proportional pressure control valve 5 of the first control valve group.The
The corresponding oil path block pressure oil oil circuit of two electromagnetic direction valves 71 and the second piston accumulator 3 are arranged on oil path block, in order to control pressure
Pressure oil in power oil oil circuit enters the second piston accumulator.Second Solenoid ball valve correspondence oil path block oil return circuit and the second piston
Formula accumulator 3 is arranged on oil path block, enters oil return circuit in order to control the pressure oil in the second piston accumulator.
The work process of the present invention is as follows:
In an initial condition, proportional pressure control valve 5 dead electricity, the oil pump of hydraulic means is in unloading condition.When the first electromagnetic direction valve
61 and proportional pressure control valve 5 simultaneously electric, then oil pump through the pressure oil oil circuit of oil path block to first piston formula accumulator 2 output pressure
Oil, first piston formula accumulator 2 realizes accumulation of energy.When the pressure of first piston formula accumulator 2 reaches regulation requirement, the first electromagnetism
Direction valve 61 and proportional pressure control valve 5 dead electricity simultaneously, oil pump is in unloading condition, and first piston formula accumulator 2 performs as hydraulic pressure
The power source of element (applying the master cylinder of end machine).According to accumulator theoretical calculation formula, in the feelings that charging pressure of accumulator is constant
Under condition, if the pressure of energy storage pressure oil raises, effectively swept volume is constant, then the volume of accumulator must increase.In reality
In the design process of border, technical staff or select the accumulator of big volume or select the accumulator of several little volume to compose in parallel storage
Energy device group is to ensure volume；Increase accumulator volume simultaneously and improve the blowing pressure.And both designs both increase
The cost of hydraulic means, this is the most all worthless.When the pressure of energy storage pressure oil raises, if not increasing accumulator
Volume and ensure that dischargeable capacity is constant, in the case of not increasing hydraulic system cost, technical staff can only by improve accumulator
The blowing pressure solves, but, if the blowing pressure is to be adjusted by manual mode, then can waste the production time, so this
The bright automated manner that must take into adjusts the blowing pressure.Air chamber and the second piston accumulator 3 due to first piston formula accumulator 2
Air chamber be connection, therefore when the second electromagnetic direction valve 71 and proportional pressure control valve 5 simultaneously electric time, oil pump export pressure oil
Entering the second piston accumulator 3, the pressure oil in the second piston accumulator 3 compresses the air chamber of the second piston accumulator 3
With the gas inside the air chamber of first piston formula accumulator 2, the blowing pressure of first piston formula accumulator 2 is made to raise, its inflation
Pressure is adjusted by proportional pressure control valve 5, thus realizes the pressure stepless changing of first piston formula accumulator.And the second piston type accumulation of energy
The pressure oil of device does not enter hydraulic actuator, is served only for changing the blowing pressure.Under hydraulic means is in service mode or need
In the case of changing the blowing pressure, the first Solenoid ball valve 62 obtains electric, and the pressure oil in first piston formula accumulator is by oil path block
Oil return circuit flows back to fuel tank.Equally, the second Solenoid ball valve 22 controls the release of the second piston accumulator pressure oil so that it is interior
Pressure oil flows back to fuel tank by the oil return circuit of oil path block.In the case of needs adjust the blowing pressure, proportional pressure control valve 5 obtains electric,
The parameter of operator's on-line tuning proportional pressure control valve 5 is to reach to adjust the purpose of the blowing pressure.The blowing pressure has reached with electrically
Control mode realizes on-line tuning.Therefore, in the case of the cost not increasing hydraulic means, present invention achieves raising accumulation of energy
Device pressure and effectively swept volume keeps constant purpose.
Claims (1)
1. energy-storage pressure stepless adjustable hydraulic device, including an oil path block, is provided with pressure oil oil circuit, control in described oil path block
Accumulator is installed and in order to control the first control that this energy storage pressure oil flows on oil oil circuit and oil return circuit, and described oil path block
Valve group processed, it is characterised in that described accumulator is a first piston formula accumulator, and is also equipped with at least on described oil path block
One the second piston accumulator and in order to control the second control valve that this at least one second piston accumulator pressure oil flows to
Group, the air chamber of at least one the second piston accumulator described connects with the air chamber of described first piston formula accumulator；
The air chamber of described second piston accumulator is connected by the air chamber of an accumulator connection valve plate with described first piston formula accumulator
Logical；
Described first control valve group includes:
One proportional pressure control valve, corresponding described oil path block pressure oil oil circuit is arranged on oil path block；With
One first electromagnetic direction valve, corresponding described oil path block pressure oil oil circuit and first piston formula accumulator are arranged on oil path block
On, enter first piston formula accumulator in order to control the pressure oil in pressure oil oil circuit；
One first Solenoid ball valve, the corresponding described oil path block oil return circuit of described first Solenoid ball valve and first piston formula accumulator
It is arranged on oil path block, enters oil return circuit in order to control the pressure oil in first piston formula accumulator；
Described second control valve group includes:
One proportional pressure control valve, corresponding described oil path block pressure oil oil circuit is arranged on oil path block；With
One second electromagnetic direction valve, corresponding described oil path block pressure oil oil circuit and the second piston accumulator are arranged on oil path block
On, enter the second piston accumulator in order to control the pressure oil in pressure oil oil circuit；
One second Solenoid ball valve, the corresponding described oil path block oil return circuit of described second Solenoid ball valve and the second piston accumulator
It is arranged on oil path block, enters oil return circuit in order to control the pressure oil in the second piston accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210292717.9A CN103591056B (en) | 2012-08-16 | 2012-08-16 | Energy-storage pressure stepless adjustable hydraulic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210292717.9A CN103591056B (en) | 2012-08-16 | 2012-08-16 | Energy-storage pressure stepless adjustable hydraulic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103591056A CN103591056A (en) | 2014-02-19 |
| CN103591056B true CN103591056B (en) | 2016-10-05 |
Family
ID=50081328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210292717.9A Expired - Fee Related CN103591056B (en) | 2012-08-16 | 2012-08-16 | Energy-storage pressure stepless adjustable hydraulic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103591056B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101837441A (en) * | 2009-03-18 | 2010-09-22 | 卢志刚 | Integrated injection oil circuit board of cold-chamber die casting machine |
| CN201836130U (en) * | 2010-11-05 | 2011-05-18 | 赵永军 | Energy storage quick release device |
| CN102506004A (en) * | 2011-11-01 | 2012-06-20 | 浙江大学 | Compressed air type energy accumulation stable power generation device adopting liquid piston |
| CN202746306U (en) * | 2012-08-16 | 2013-02-20 | 广东科达机电股份有限公司 | Hydraulic device enabling energy storage pressure to be stepless adjustable |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8146354B2 (en) * | 2009-06-29 | 2012-04-03 | Lightsail Energy, Inc. | Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange |
-
2012
- 2012-08-16 CN CN201210292717.9A patent/CN103591056B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101837441A (en) * | 2009-03-18 | 2010-09-22 | 卢志刚 | Integrated injection oil circuit board of cold-chamber die casting machine |
| CN201836130U (en) * | 2010-11-05 | 2011-05-18 | 赵永军 | Energy storage quick release device |
| CN102506004A (en) * | 2011-11-01 | 2012-06-20 | 浙江大学 | Compressed air type energy accumulation stable power generation device adopting liquid piston |
| CN202746306U (en) * | 2012-08-16 | 2013-02-20 | 广东科达机电股份有限公司 | Hydraulic device enabling energy storage pressure to be stepless adjustable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103591056A (en) | 2014-02-19 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 528313 Guangdong City, Shunde province Chencun Town, industrial park, long Ring Road West Town, No. 1 Applicant after: KEDA CLEAN ENERGY CO., LTD. Address before: 528313 Guangdong City, Shunde province Chencun Town, industrial park, long Ring Road West Town, No. 1 Applicant before: Guangdong Keda Electromechanical Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 Termination date: 20170816 |
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| CF01 | Termination of patent right due to non-payment of annual fee |