CN106438589A - Gas exhaust device used for closed type hydraulic system - Google Patents
Gas exhaust device used for closed type hydraulic system Download PDFInfo
- Publication number
- CN106438589A CN106438589A CN201611110814.6A CN201611110814A CN106438589A CN 106438589 A CN106438589 A CN 106438589A CN 201611110814 A CN201611110814 A CN 201611110814A CN 106438589 A CN106438589 A CN 106438589A
- Authority
- CN
- China
- Prior art keywords
- oil
- stop valve
- closed
- fuel tank
- seal closure
- 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.)
- Granted
Links
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
- 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
- F15B21/044—Removal or measurement of undissolved gas, e.g. de-aeration, venting or bleeding
Abstract
The invention discloses a gas exhaust device used for a closed type hydraulic system, and belongs to the technical field of hydraulic systems. The gas exhaust device comprises a vacuum pump, an air compressor, a second stop valve, a third stop valve, a three-way joint, a sealing cover, a swing mechanism and an incentive mechanism, wherein the incentive mechanism is mounted on the side surface of the oil tank; the open end of the sealed cover is in butt joint with an oil bag, and is closed to form a sealed cavity; the closed end of the sealed cavity is connected with the swing mechanism through a ball head hinge; the three-way joint is mounted on the side surface of the sealing cover; the vacuum pump and the air compressor are separately connected with the two ends of the three-way joint on the side surface of the sealing cover through pipelines; and the stop valves are separately connected on pipelines for connecting the vacuum pump, the air compressor and the three-way joint. According to the gas exhaust device disclosed by the invention, air in hydraulic oil is separated out in a vacuum-pumping mode, and air is exhausted out of the system by uniformly extruding under external pressure; and the swing mechanism is matched with the incentive mechanism for use, so that air bubbles in seams are exhausted of the system, and therefore, gas in the closed type hydraulic system is purified.
Description
Technical field
The invention belongs to hydraulic system technical field is and in particular to a kind of exhaust apparatus for closed type hydraulic system.
Background technology
It is presently used for the buoyancy-driven unit that Deep-sea vessel is realized moving up and down, typically adopt closed type hydraulic system, due to
System assembling and hydraulic oil itself all easily make to be mixed into air in hydraulic system；The presence of air in hydraulic oil, easily makes enclosed liquid
Pressure system works under big depth high pressure and produces cavitation erosion, thus affecting the Hydraulic Elements life-span, reduces the reliability of system；Traditional liquid
Pressure system exhaust method is only capable of not dissolving in the gas of fluid in emptying system, and can not micro-bubble effectively in discharge system gap
The gas of hydraulic oil is dissolved under gas and micro normal pressure.
Content of the invention
In view of this, it is an object of the invention to provide a kind of exhaust apparatus for closed type hydraulic system, in Closed Hydraulic
In system, separate out, by using the mode of evacuation, the air being dissolved in hydraulic oil, uniformly air is discharged by extruding by external pressure
System, the use of cooperation wabbler mechanism and excitation mechanism, make the micro-bubble discharge system in the lump in gap, and then purify
The gas that closed type hydraulic system exists.
The present invention is achieved through the following technical solutions：
A kind of exhaust apparatus for closed type hydraulic system, described closed type hydraulic system includes：Oil sac, pressure-resistant cover, valve group,
Hydraulic pump, fuel tank, piston and the first stop valve；Oil sac dock with pressure-resistant cover formation one closed cavity, closed cavity built with
Hydraulic oil；Hydraulic pump is connected with described closed cavity by valve group；Fuel tank is built with hydraulic oil, the oil-out of its bottom surface and hydraulic pressure
Pump connects, and the oil-in of its bottom surface is connected with valve group；Piston is sleeved in fuel tank, and fuel tank is closed, and piston is provided with through hole,
This through hole is provided with the first stop valve；
This exhaust apparatus includes：Vacuum pump, air compressor machine, the second stop valve, the 3rd stop valve, three way cock, seal closure, shake
Swinging mechanism and excitation mechanism；
The cylinder that described seal closure is closed for one end open one end；
Integrated connection relation is as follows：Excitation mechanism is arranged on the side of fuel tank, for providing pulsed vibration to fuel tank；
The open end of seal closure is docked rear enclosed and is formed closed cavity with oil sac；The blind end of seal closure passes through button-head hinge
It is connected with wabbler mechanism, wabbler mechanism is used for making described closed type hydraulic system by setting rule intermittent inclination set angle；
The side of seal closure is provided with three way cock；
Vacuum pump and air compressor machine are connected with the two ends of the three way cock of seal closure side by pipeline respectively, and in vacuum pump
The pipeline being connected with described three way cock is provided with the second stop valve, sets on the pipeline that air compressor machine is connected with described three way cock
There is the 3rd stop valve.
Further, pressure vacuum gauge and pressure gauge are also included, described pressure vacuum gauge is arranged on vacuum pump and described three
On the pipeline that pass joint connects, described pressure gauge is arranged on the pipeline that air compressor machine is connected with described three way cock.
Beneficial effect：The present invention can not only empty system compared to conventional exhaust method advantageously in purifying hydraulic system
The gas existing with air pocket of fluid is not dissolved in system, can be with molten under micro-bubble gas in emptying system gap and normal pressure
Enter the gas of fluid, therefore, the invention enables the working media in closed type hydraulic system is cleaner, thus protection system reduces
Cavitation intensity, improves the system components and parts life-span.
Brief description
Fig. 1 is the structure composition figure of the present invention.
Wherein, 1- vacuum pump, 2- air compressor machine, 3- second stop valve, 4- three way cock, 5- seal closure, 6- oil sac, 7- is pressure
Cover, 8- valve group, 9- hydraulic pump, 10- fuel tank, 11- piston, 12- wabbler mechanism, 13- excitation mechanism, 14- pressure vacuum gauge, 15-
Pressure gauge, 16- first stop valve, 17- the 3rd stop valve.
Specific embodiment
Develop simultaneously embodiment below in conjunction with the accompanying drawings, describes the present invention.
The invention provides a kind of exhaust apparatus for closed type hydraulic system, referring to accompanying drawing 1, including：Vacuum pump 1, sky
Press 2, the second stop valve 3, the 3rd stop valve 17, three way cock 4, seal closure 5, wabbler mechanism 12, excitation mechanism 13, vacuum pressure
Power table 14 and pressure gauge 15；
Its ancillary equipment is closed type hydraulic system, and it includes：Oil sac 6, pressure-resistant cover 7, valve group 8, hydraulic pump 9, fuel tank 10, work
Plug 11 and the first stop valve 16；The bottom surface of described fuel tank 10 is respectively equipped with oil-out and oil-in；Oil sac 6 is docked with pressure-resistant cover 7
Form a closed cavity, closed cavity is built with hydraulic oil；Hydraulic pump 9 is connected with described closed cavity by valve group 8；Fuel tank
10 are connected with hydraulic pump 9 built with hydraulic oil, the oil-out of its bottom surface, and the oil-in of its bottom surface is connected with valve group 8；11 sets of piston
It is contained in fuel tank 10, and fuel tank 10 is closed, piston 11 is provided with through hole, this through hole is provided with the first stop valve 16, lead to
Cross the first stop valve 16 and control whether the cavity of fuel tank 10 is connected with outside atmosphere；
The cylinder that described seal closure 5 is closed for one end open one end；
Integrated connection relation is as follows：Excitation mechanism 13 is arranged on the side of fuel tank 10, for providing pulsed to fuel tank 10
Vibration；
After the open end of seal closure 5 is docked with oil sac 6, so that seal closure 5 is closed and define closed cavity；The envelope of seal closure 5
Closed end is connected with wabbler mechanism 12 by button-head hinge, and wabbler mechanism 12 is according to setting rule intermittent inclination set angle；
The side of seal closure 5 is provided with three way cock 4；
Vacuum pump 1 and air compressor machine 2 are connected with the two ends of the three way cock 4 of seal closure 5 side by pipeline respectively, and true
The pipeline that empty pump 1 is connected with described three way cock 4 is provided with the second stop valve 3 and pressure vacuum gauge 14, air compressor machine 2 with described
The pipeline that three way cock 4 connects is provided with the 3rd stop valve 17 and pressure gauge 15.
Operation principle：When initial, the first stop valve 16 is closed, at the second stop valve 3 and the 3rd stop valve 17
In closed mode；Start hydraulic pump 9, so that the hydraulic oil in fuel tank 10 is flowed in hydraulic pump 9 by its oil-out, then via valve group
8 flow in oil sacs 6 so that after as far as possible many hydraulic oil are located in oil sac 6, closing valve group 8, closing hydraulic pump 9 and quit work；Live
Plug 11 flows in oil sac 6 with hydraulic oil and moves to tank bottoms；
Open the second stop valve 3, and start the closed cavity that vacuum pump 1 formed to seal closure 5 and carry out evacuation, described
(vacuum is read by pressure vacuum gauge 14) after closed cavity is in vacuum state setting time, oil sac 6 deformation make oil sac 6 with
The volume of the closed cavity that pressure-resistant cover 7 is formed becomes big, the bubbing at leisure of the hydraulic oil in oil sac 6, Oil-gas Separation, gas position
After above the hydraulic oil, close the second stop valve 3, close vacuum pump 1；
Open the 3rd stop valve 17, and start air compressor machine 2, the gas being filled with setting pressure in described closed cavity is (logical
Excess pressure table 15 reads gas pressure)；Meanwhile, open valve group 8, and open the first stop valve 16 on piston 11, oil sac 6 with resistance to
The gas above the hydraulic oil in closed cavity that pressure cover 7 is formed drains in fuel tank 10 under the influence of air pressure, and further
Fuel tank is discharged by the first stop valve 16, until there being hydraulic oil to discharge, that is, representing in closed cavity do not there is air, closing valve group 8,
The gas discharged with the air pocket gas existing and dissolved in hydraulic oil in a large number at ambient pressure；At this moment, fuel tank 10 inner bottom surface with
It is filled with the gas dissolving in hydraulic oil under micro-bubble gas and micro normal pressure in hydraulic oil and system gap between piston 11；
Start wabbler mechanism 12, make closed type hydraulic system to set rule intermittent inclination set angle, start meanwhile
Excitation mechanism 13 oil dropping apparatus 10 pulsed is vibrated, and makes the small gap that hydraulic oil is sufficient filling between piston 11 and fuel tank 10, and then
Using micro-bubble gas in hydraulic oil extrusion small gap, and discharged by the first stop valve 16 on piston 11, close first
Stop valve 16；
Said process is repeated several times, the gas dissolving in hydraulic oil under micro-bubble gas and normal pressure in system gap is all effective
Discharge, rock closed type hydraulic system, carefully debate and listen, if voiceless sound, in hydraulic oil, there is not bubble, gas in emptying system
Body.
In sum, these are only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention.
All any modification, equivalent substitution and improvement within the spirit and principles in the present invention, made etc., should be included in the present invention's
Within protection domain.
Claims (2)
1. a kind of exhaust apparatus for closed type hydraulic system, described closed type hydraulic system includes：Oil sac (6), pressure-resistant cover (7),
Valve group (8), hydraulic pump (9), fuel tank (10), piston (11) and the first stop valve (16)；Oil sac (6) docks shape with pressure-resistant cover (7)
Become a closed cavity, closed cavity is built with hydraulic oil；Hydraulic pump (9) is connected with described closed cavity by valve group (8)；Oil
Case (10) is connected with hydraulic pump (9) built with hydraulic oil, the oil-out of its bottom surface, and the oil-in of its bottom surface is connected with valve group (8)；
Piston (11) is sleeved in fuel tank (10), and fuel tank (10) is closed, and piston (11) is provided with through hole, is provided with this through hole
First stop valve (16)；
It is characterized in that, including：Vacuum pump (1), air compressor machine (2), the second stop valve (3), the 3rd stop valve (17), three way cock
(4), seal closure (5), wabbler mechanism (12) and excitation mechanism (13)；
The cylinder that described seal closure (5) is closed for one end open one end；
Integrated connection relation is as follows：Excitation mechanism (13) is arranged on the side of fuel tank (10), for providing pulse to fuel tank (10)
Formula is vibrated；
The open end of seal closure (5) is docked rear enclosed and is formed closed cavity with oil sac (6)；The blind end of seal closure (5) passes through ball
Head hinge is connected with wabbler mechanism (12), and wabbler mechanism (12) is used for making described closed type hydraulic system intermittent by setting rule
Tilt set angle；The side of seal closure (5) is provided with three way cock (4)；
Vacuum pump (1) and air compressor machine (2) are connected with the two ends of the three way cock (4) of seal closure (5) side by pipeline respectively, and
Second stop valve (3) is provided with the pipeline that vacuum pump (1) is connected with described three way cock (4), in air compressor machine (2) and described three
The pipeline that pass joint (4) connects is provided with the 3rd stop valve (17).
2. as claimed in claim 1 a kind of exhaust apparatus for closed type hydraulic system it is characterised in that also including vacuum pressure
Power table (14) and pressure gauge (15), described pressure vacuum gauge (14) is arranged on what vacuum pump (1) was connected with described three way cock (4)
On pipeline, described pressure gauge (15) is arranged on the pipeline that air compressor machine (2) is connected with described three way cock (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611110814.6A CN106438589B (en) | 2016-12-06 | 2016-12-06 | A kind of exhaust apparatus for closed type hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611110814.6A CN106438589B (en) | 2016-12-06 | 2016-12-06 | A kind of exhaust apparatus for closed type hydraulic system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106438589A true CN106438589A (en) | 2017-02-22 |
| CN106438589B CN106438589B (en) | 2019-03-08 |
Family
ID=58216122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611110814.6A Expired - Fee Related CN106438589B (en) | 2016-12-06 | 2016-12-06 | A kind of exhaust apparatus for closed type hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106438589B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109911833A (en) * | 2018-11-12 | 2019-06-21 | 中航通飞研究院有限公司 | A kind of passive brake system method for exhausting of aircraft |
| CN110725832A (en) * | 2019-10-16 | 2020-01-24 | 北京首钢股份有限公司 | Hydraulic system air cavity removing device with hydraulic lock and method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4385909A (en) * | 1981-08-31 | 1983-05-31 | Starr Hydraulic-Electro Controls Co. | De-aerator for hydraulic power units |
| CN85104763A (en) * | 1985-06-13 | 1987-01-28 | 沈汉石 | Eliminate the method and apparatus of air pocket in the hydraulic system |
| CN1126506A (en) * | 1993-05-25 | 1996-07-10 | 哈坎·英瓦斯特 | Method and apparatus in a fluid-operating system |
| DE19913969C1 (en) * | 1999-03-18 | 2000-10-05 | Polynorm Gmbh | Air removal from hydraulic fluids by the use of a micro-bubble separator |
| DE10117619A1 (en) * | 2000-09-07 | 2002-03-28 | Polynorm Gmbh | Degasing method and device for hydraulic system e.g. heating and cooling system, has pump and non-return valves controlled for providing vacuum in degasing container |
| CN1975183A (en) * | 2006-12-22 | 2007-06-06 | 浙江大学 | Pressure oil box for removing gas in hydraulic oil liquid |
| CN101025175A (en) * | 2006-02-17 | 2007-08-29 | 玛涅蒂玛瑞利动力系公开有限公司 | Method and plant for filling a hydraulic circuit with a control fluid |
| CN201396343Y (en) * | 2009-04-29 | 2010-02-03 | 淮安信息职业技术学院 | Device for removing cavitation in hydraulic system |
| FR2950661A3 (en) * | 2009-09-28 | 2011-04-01 | Renault Sa | Hydraulic circuit i.e. hydraulic control circuit, purging device for clutch of motor vehicle, has vacuum pump connected to settling tank by duct, where settling tank is connected to connection units by another duct |
| CN203730644U (en) * | 2014-01-20 | 2014-07-23 | 江苏轩瑞结构减振设备有限公司 | Liquid filling device of large hydraulic damper |
-
2016
- 2016-12-06 CN CN201611110814.6A patent/CN106438589B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4385909A (en) * | 1981-08-31 | 1983-05-31 | Starr Hydraulic-Electro Controls Co. | De-aerator for hydraulic power units |
| CN85104763A (en) * | 1985-06-13 | 1987-01-28 | 沈汉石 | Eliminate the method and apparatus of air pocket in the hydraulic system |
| CN1126506A (en) * | 1993-05-25 | 1996-07-10 | 哈坎·英瓦斯特 | Method and apparatus in a fluid-operating system |
| DE19913969C1 (en) * | 1999-03-18 | 2000-10-05 | Polynorm Gmbh | Air removal from hydraulic fluids by the use of a micro-bubble separator |
| DE10117619A1 (en) * | 2000-09-07 | 2002-03-28 | Polynorm Gmbh | Degasing method and device for hydraulic system e.g. heating and cooling system, has pump and non-return valves controlled for providing vacuum in degasing container |
| CN101025175A (en) * | 2006-02-17 | 2007-08-29 | 玛涅蒂玛瑞利动力系公开有限公司 | Method and plant for filling a hydraulic circuit with a control fluid |
| CN1975183A (en) * | 2006-12-22 | 2007-06-06 | 浙江大学 | Pressure oil box for removing gas in hydraulic oil liquid |
| CN201396343Y (en) * | 2009-04-29 | 2010-02-03 | 淮安信息职业技术学院 | Device for removing cavitation in hydraulic system |
| FR2950661A3 (en) * | 2009-09-28 | 2011-04-01 | Renault Sa | Hydraulic circuit i.e. hydraulic control circuit, purging device for clutch of motor vehicle, has vacuum pump connected to settling tank by duct, where settling tank is connected to connection units by another duct |
| CN203730644U (en) * | 2014-01-20 | 2014-07-23 | 江苏轩瑞结构减振设备有限公司 | Liquid filling device of large hydraulic damper |
Non-Patent Citations (4)
| Title |
|---|
| 刘英等: "一种水下液压系统注油装置", 《流体传动与控制》 * |
| 房延等: "深海液压油箱的设计", 《液压与气动》 * |
| 杜来林等: "导弹除气加注台的设计", 《液压与气动》 * |
| 高昆等: "油泵试验台液压系统的排气方案改进", 《液压与气动》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109911833A (en) * | 2018-11-12 | 2019-06-21 | 中航通飞研究院有限公司 | A kind of passive brake system method for exhausting of aircraft |
| CN109911833B (en) * | 2018-11-12 | 2022-12-13 | 中航通飞研究院有限公司 | Exhaust method of passive brake system of airplane |
| CN110725832A (en) * | 2019-10-16 | 2020-01-24 | 北京首钢股份有限公司 | Hydraulic system air cavity removing device with hydraulic lock and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106438589B (en) | 2019-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101539018B (en) | Deep seafloor sampling device | |
| CN106438589A (en) | Gas exhaust device used for closed type hydraulic system | |
| CN102747970B (en) | Automatic control system of filling valve of marine drilling riser | |
| WO2017185885A1 (en) | Temperature difference energy-driven ocean profile dynamic system | |
| CN103939660B (en) | The floating ball self-sucking valve of a kind of band lever construction and method for designing thereof | |
| KR101677582B1 (en) | Metal pouring method for the die casting process | |
| CN100531849C (en) | Method and device for separating gas and liquid | |
| CN205686596U (en) | A kind of underwater glider fast speed buoyancy adjusting means | |
| CN205534391U (en) | Gas bottle valve of area decompression function | |
| CN115929251B (en) | Underground recyclable dynamic liquid injection hole sealing device and construction method | |
| CN202251152U (en) | Oil tank and engineering machinery | |
| CN206848130U (en) | It is a kind of to simulate water influx during the water enchroachment (invasion) of carbonate rock gas field to mutually oozing the experimental provision of influence | |
| CN207012820U (en) | A kind of preparation facilities of bottled gas solution | |
| CN206248404U (en) | Underground water dissolved gas on-site sampler | |
| CN206725563U (en) | A kind of device simulated controlled pressure drilling difference drilling fluid annular hydraulics characteristic and influenceed | |
| CN201772975U (en) | Experiment device for detecting sealing properties of expanded capsule and sealing liquid | |
| CN203428904U (en) | Multifunctional blowing and suction device | |
| CN107308831A (en) | A kind of preparation facilities and canning method of bottled gas solution | |
| CN210665311U (en) | Water injection pressurizing operation device for pressure container | |
| CN104514609B (en) | A kind of underwater engine pressurized exhaust gas device with preventing return water function | |
| CN206054441U (en) | The overload protection arrangement of oil cylinder | |
| CN207844909U (en) | A kind of underwater sediment prevention device of micro-pressure-difference | |
| CN101957252A (en) | Experiment device for detecting sealing performance of swelling capsule and sealing liquid | |
| CN204942625U (en) | The sealing structure for water of seal container | |
| CN107813918B (en) | Sealing of hole cover board driving device with hydraulic drives |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190308 Termination date: 20191206 |