CN104514772A - Double-system single-outlet hydraulic system - Google Patents
Double-system single-outlet hydraulic system Download PDFInfo
- Publication number
- CN104514772A CN104514772A CN201310453993.3A CN201310453993A CN104514772A CN 104514772 A CN104514772 A CN 104514772A CN 201310453993 A CN201310453993 A CN 201310453993A CN 104514772 A CN104514772 A CN 104514772A
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- CN
- China
- Prior art keywords
- pressure
- directional control
- hydraulic
- solenoid directional
- control valve
- 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.)
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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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/024—Installations or systems with accumulators used as a supplementary power source, e.g. to store energy in idle periods to balance pump load
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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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
- F16D65/22—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for pressing members apart, e.g. for drum brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
- F16D2121/06—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure for releasing a normally applied brake
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Pressure Circuits (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The invention discloses a double-system single-outlet hydraulic system. The double-system single-outlet hydraulic system comprises an oil tank, two hydraulic system bodies and a bearing hydraulic cylinder; each hydraulic system body is provided with a hydraulic pump, a motor and a first high pressure oil pipe; an inlet of each first high pressure oil pipe extends into the oil tank; each hydraulic pump driven by the corresponding motor, a one-way valve, an energy accumulator comprising a pressure relay, a first electromagnetic directional valve and a second electromagnetic directional valve are arranged on the corresponding first high pressure oil pipe along the oil flow direction to the bearing hydraulic cylinder in turn; the connection position from a first high pressure oil circuit of each hydraulic system body to the bearing hydraulic cylinder is provided with a high pressure ball valve. According to the double-system single-outlet hydraulic system, the energy accumulator is long in pressure maintaining time, free of pressure leakage, low in energy consumption and rapid in pressure relief and the service life of the pumps is extended during normal operation and accordingly the hydraulic system for braking the power or bearing the power can be provided for a brake, the power consumption is saved, and the production running cost is greatly reduced, and the working and backup double-hydraulic-system is adopted and accordingly the production efficiency is improved, the practicability is high, and the popularization and the application are easy.
Description
Technical field
The invention belongs to technical field of hydraulic pressure, be specifically related to a kind of double system list outlet hydraulic system.
Background technique
Along with the energy-saving and cost-reducing call of respective country, start to take various method to reduce to power consumption in the brake power source side face of break, particularly the electro hydraulicthruster of normally closed brake use is when equipment runs, ceaselessly work, waste a large amount of power consumption, some employing hydraulic way, electromagnetic mode or electromagnetic hydraulic pressure mode etc., but all there is complex structure, the dwell time be short, energy consumption is high, defect that pressure release is slow, when hydraulic unit fault, can not rapid-maintenance or replacing, there is potential safety hazard, affect normal production output.
Summary of the invention
The present invention in order to solve deficiency of the prior art, provide a kind of can the double system list outlet hydraulic system of the using and the reserved, its structure is simple, be provided with accumulator, the dwell time is long, energy consumption is low, pressure release is fast feature.
For solving the problems of the technologies described above, the present invention adopts following technological scheme: a kind of double system list outlet hydraulic system, comprise fuel tank, two cover hydraulic system and a support hydraulic cylinder, often overlap hydraulic system and be equipped with oil hydraulic pump, motor, first high-pressure oil pipe, the import of the first high-pressure oil pipe extend in fuel tank, first high-pressure oil pipe is provided with by motor-driven oil hydraulic pump along oily flow path direction to support hydraulic cylinder successively, one-way valve, there is the accumulator of pressure relay, first solenoid directional control valve and the second solenoid directional control valve, first high-pressure oil passage of two cover hydraulic system is respectively equipped with high-pressure ball valve to support hydraulic cylinder connecting place.
Described first high-pressure oil pipe is provided with oil adsorption filter and pipeline essence oil purifier, and oil adsorption filter is between fuel tank and oil hydraulic pump, and pipeline essence oil purifier is between oil hydraulic pump and one-way valve.
Described first high-pressure oil pipe is provided with the relief valve between oil hydraulic pump and pipeline essence oil purifier, and the outlet of relief valve is extend in fuel tank by the second high-pressure oil pipe.
Described first solenoid directional control valve is Normally closed type, and the second solenoid directional control valve is open in usual.
Described first solenoid directional control valve, the second solenoid directional control valve and motor are flame-proof type structure.
Described first solenoid directional control valve, the second solenoid directional control valve are ball valve type solenoid directional control valve.
Described first high-pressure oil pipe is provided with the first pressure gauge being positioned at pipeline essence oil purifier and one-way valve, and the second pressure gauge between the first solenoid directional control valve and the second solenoid directional control valve.
Described first pressure gauge and the second pressure gauge are shatter-proof formula pressure gauge.
Described first high-pressure oil pipe is connected with the high-pressure ball valve between one-way valve and accumulator.
Air-strainer is provided with above described fuel tank.
Adopt technique scheme, generally only a hydraulic system is used during each use, another hydraulic system is standby hydraulics, when needs make should first be closed by the high-pressure ball valve of a hydraulic system during use, the high-pressure ball valve of hydraulic system is used to open, when electrical power, oil hydraulic pump operates, hydraulic oil in fuel tank is made support hydraulic cylinder working through oil adsorption filter, pipeline essence oil purifier, one-way valve, accumulator, the first solenoid directional control valve, the second solenoid directional control valve, the brake slipper of break departs from Brake drum, and equipment brings into operation.Accumulator starts accumulation of energy simultaneously, and after accumulation of energy, pressure relay sends instruction makes motor quit work.By one-way valve, the first high-pressure oil pipe is disconnected like this, the accumulator on the first high-pressure oil pipe, the first solenoid directional control valve, the second solenoid directional control valve, support hydraulic cylinder is made to constitute a closed oil circuit, if pressure leakage is compensated by accumulator, read pressure index by the second pressure gauge; After accumulator fault offset, pressure relay sends instruction makes motor start working, and after accumulator accumulation of energy, motor quits work again, repeats above-mentioned working procedure.
When the first solenoid directional control valve and the whole power-off of the second solenoid directional control valve, support hydraulic cylinder returns fuel tank through the first solenoid directional control valve, the second solenoid directional control valve fast by making hydraulic oil under spring action, support hydraulic cylinder can let out hydraulic oil in 0.4S, and equipment is braked under the effect of spring force.
When a hydraulic system fault, need repairing or change time, its power supply and high-pressure ball valve closed, another HPS and high-pressure ball valve are opened, and repeat above-mentioned working procedure.
The present invention is in normal operation, adopt accumulator dwell time length, pressure zero leakage, energy consumption is low, pressure release is fast, improve the features such as the working life of pump, can be the hydraulic system that break provides brake power or supporting power, and the consumption of saving power, greatly reduce production run cost, the double hydraulic system of the using and the reserved is adopted to enhance productivity, practical, be easy to apply.
Accompanying drawing explanation
Fig. 1 is working principle schematic diagram of the present invention.
Embodiment
As shown in Figure 1, a kind of double system list outlet hydraulic system of the present invention, comprise fuel tank 1, two cover No. 1, hydraulic systems, No. 2 and support hydraulic cylinder 20, No. 1 and No. 2 hydraulic systems are equipped with oil hydraulic pump 5, 23, motor 4, 22, first high-pressure oil pipe 10, 28, first high-pressure oil pipe 10, the import of 28 extend in fuel tank 1, first high-pressure oil pipe 10, be provided with by motor 4 successively along oily flow path direction to support hydraulic cylinder 20 on 28, 22 oil hydraulic pumps 5 driven, 23, one-way valve 11, 29, there is pressure relay 13, the accumulator 14 of 31, 32, first solenoid directional control valve 15, 33, second solenoid directional control valve 16, 34, first high-pressure oil passage 10 of No. 1 and No. 2 hydraulic system, 28 to support hydraulic cylinder 20 connecting place is respectively equipped with high-pressure ball valve 18, 36.
Described first high-pressure oil pipe 10,28 is provided with oil adsorption filter 3,21 and pipeline essence oil purifier 6,24, and oil adsorption filter 3,21 is between fuel tank 1 and oil hydraulic pump 5,23, and pipeline essence oil purifier 6,24 is between oil hydraulic pump 5,23 and one-way valve 11,29.
Described first high-pressure oil pipe 10,28 is provided with the relief valve 7,26 between oil hydraulic pump 5,23 and pipeline essence oil purifier 6,24, and the outlet of relief valve 7,26 is extend in fuel tank 1 by the second high-pressure oil pipe 8,25.
Described first solenoid directional control valve 15,33 is Normally closed type, and the second solenoid directional control valve 16,34 is open in usual.
Described first solenoid directional control valve 15,33, second solenoid directional control valve 16,34 and motor 4,22 are flame-proof type structure.
Described first solenoid directional control valve 15,33, second solenoid directional control valve 16,34 is ball valve type solenoid directional control valve.
Described first high-pressure oil pipe 10,28 is provided with the first pressure gauge 9,27 being positioned at pipeline essence oil purifier 6,24 and one-way valve 11,29, and the second pressure gauge 18,35 between the first solenoid directional control valve 15,33 and second solenoid directional control valve 16,34.
Described first pressure gauge 9,27 and second pressure gauge 17,35 is shatter-proof formula pressure gauge.
Described first high-pressure oil pipe 10,28 is connected with the high-pressure ball valve 12,30 between one-way valve 11,29 and accumulator 14,32, high-pressure ball valve 12,30 is for the pressure of venting accumulator 14,33.
Described fuel tank 1 is provided with air-strainer 2 above.
Wherein one-way valve 11,29, accumulator 14,32, No. 1 of pressure relay 13,31, first solenoid directional control valve 15,33, second solenoid directional control valve 16,34, first pressure gauge 9,27 and second pressure gauge 17,35 composition and No. 2 hydraulic systems are all independently installed on oil-way integrated block.
When needs hydraulic work system, if use No. 1 hydraulic system, the high-pressure ball valve 36 first filling No. 2 hydraulic systems is closed, the high-pressure ball valve 18 of the hydraulic system of No. 1 is opened, when motor 4 is energized, oil hydraulic pump 5 operates, and through oil adsorption filter 3, pipeline essence oil purifier 6, one-way valve 11, accumulator 14, first solenoid directional control valve 15, second solenoid directional control valve 16, support hydraulic cylinder 20 is worked in the hydraulic oil in fuel tank 1, the brake slipper of break departs from Brake drum, and equipment brings into operation.Accumulator 14 starts accumulation of energy simultaneously, and after accumulation of energy, pressure relay 13 sends instruction makes motor 4 quit work.By one-way valve 11, first high-pressure oil pipe 10 is disconnected like this, accumulator 14, first solenoid directional control valve 15, second solenoid directional control valve 16 on the first high-pressure oil pipe 10 and support hydraulic cylinder 20 is made to constitute a closed oil circuit, if pressure leakage is compensated by accumulator 14, read pressure index by the second pressure gauge 17; After accumulator 14 fault offset, pressure relay 13 sends instruction makes motor 4 start working, and after accumulator 14 accumulation of energy, motor 4 quits work again, repeats above-mentioned working procedure.When oil pressure is excessive, section hydraulic oil is extend in fuel tank 1 by the second high-pressure oil pipe 6 by the outlet of relief valve 7.
When the first solenoid directional control valve 15 and the second solenoid directional control valve 16 all power-off time, support hydraulic cylinder 20 returns fuel tank 1 through the first solenoid directional control valve 15 and the second solenoid directional control valve 16 fast by making hydraulic oil under spring action, support hydraulic cylinder 20 can let out hydraulic oil in 0.4S, and equipment is braked under the effect of spring force.
If use No. 2 hydraulic systems, the high-pressure ball valve 18 first filling No. 1 hydraulic system is closed, and the high-pressure ball valve 36 of the hydraulic system of No. 2 is opened, and repeats above-mentioned No. 1 hydraulic work system process.
If when No. 1 or No. 2 hydraulic systems need repairing or exchange oil circuit, first hydraulic motor 4 or 22 power-off, opens high-pressure ball valve 12,30, the pressure in venting accumulator 14,33, then keeps in repair this hydraulic system or exchange oil circuit.
Claims (8)
1. a double system list outlet hydraulic system, it is characterized in that: comprise fuel tank, two cover hydraulic system and a support hydraulic cylinder, often overlap hydraulic system and be equipped with oil hydraulic pump, motor, the first high-pressure oil pipe, the import of the first high-pressure oil pipe extend in fuel tank, first high-pressure oil pipe is provided with by motor-driven oil hydraulic pump, one-way valve, the accumulator with pressure relay, the first solenoid directional control valve and the second solenoid directional control valve along oily flow path direction to support hydraulic cylinder successively, and the first high-pressure oil passage of two cover hydraulic system is respectively equipped with high-pressure ball valve to support hydraulic cylinder connecting place.
2. a kind of double system list outlet hydraulic system according to claim 1, it is characterized in that: described first high-pressure oil pipe is provided with oil adsorption filter and pipeline essence oil purifier, oil adsorption filter is between fuel tank and oil hydraulic pump, and pipeline essence oil purifier is between oil hydraulic pump and one-way valve.
3. a kind of double system list outlet hydraulic system according to claim 2, is characterized in that: described first high-pressure oil pipe is provided with the relief valve between oil hydraulic pump and pipeline essence oil purifier, and the outlet of relief valve is extend in fuel tank by the second high-pressure oil pipe.
4. a kind of double system list outlet hydraulic system according to claim 1, it is characterized in that: described first solenoid directional control valve is Normally closed type, second solenoid directional control valve is open in usual, and the first solenoid directional control valve, the second solenoid directional control valve are ball valve type solenoid directional control valve.
5. a kind of double system list outlet hydraulic system according to claim 4, is characterized in that: described first solenoid directional control valve, the second solenoid directional control valve and motor are flame-proof type structure.
6. a kind of double system list outlet hydraulic system according to claim 3,4, it is characterized in that: described first high-pressure oil pipe is provided with the first pressure gauge being positioned at pipeline essence oil purifier and one-way valve, and the second pressure gauge between the first solenoid directional control valve and the second solenoid directional control valve.
7. a kind of double system list outlet hydraulic system according to claim 6, is characterized in that: described first pressure gauge and the second pressure gauge are shatter-proof formula pressure gauge.
8. a kind of double system list outlet hydraulic system according to claim 6, is characterized in that: described first high-pressure oil pipe is connected with the high-pressure ball valve between one-way valve and accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310453993.3A CN104514772A (en) | 2013-09-29 | 2013-09-29 | Double-system single-outlet hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310453993.3A CN104514772A (en) | 2013-09-29 | 2013-09-29 | Double-system single-outlet hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104514772A true CN104514772A (en) | 2015-04-15 |
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ID=52790521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310453993.3A Pending CN104514772A (en) | 2013-09-29 | 2013-09-29 | Double-system single-outlet hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104514772A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106609778A (en) * | 2015-10-23 | 2017-05-03 | 赵慧霞 | Double-power hydraulic system |
| CN107882778A (en) * | 2017-11-16 | 2018-04-06 | 中国航空工业集团公司北京航空精密机械研究所 | A kind of ultra-precision machine tool oil supply system with emergent supply capability |
-
2013
- 2013-09-29 CN CN201310453993.3A patent/CN104514772A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106609778A (en) * | 2015-10-23 | 2017-05-03 | 赵慧霞 | Double-power hydraulic system |
| CN107882778A (en) * | 2017-11-16 | 2018-04-06 | 中国航空工业集团公司北京航空精密机械研究所 | A kind of ultra-precision machine tool oil supply system with emergent supply capability |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150415 |
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| WD01 | Invention patent application deemed withdrawn after publication |