CN106194909B - A kind of automatic cooling avoids the hydraulic system of heating - Google Patents
A kind of automatic cooling avoids the hydraulic system of heating Download PDFInfo
- Publication number
- CN106194909B CN106194909B CN201610705757.XA CN201610705757A CN106194909B CN 106194909 B CN106194909 B CN 106194909B CN 201610705757 A CN201610705757 A CN 201610705757A CN 106194909 B CN106194909 B CN 106194909B
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- CN
- China
- Prior art keywords
- oil pipe
- cavity
- fuel tank
- air
- permeable layer
- 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.)
- Expired - Fee Related
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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
- 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
- F15B21/042—Controlling the temperature of the fluid
-
- 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
- F15B21/047—Preventing foaming, churning or cavitation
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses the hydraulic system that a kind of automatic cooling avoids heating, including the pump head inside main hydraulic cylinder, liquid separation cylinder pressure oil pipe, fuel tank and liquid separation cylinder pressure, multidirectional flow divider is set on the oil pipe of connection main hydraulic cylinder and liquid separation cylinder pressure, oil sucting one-way valve is set on the oil pipe of connection main hydraulic cylinder and fuel tank, stop valve is set on the oil pipe of connection liquid separation cylinder pressure and fuel tank, cavity and air-permeable layer are set on the oil pipe of connection main hydraulic cylinder and fuel tank, passage is set on fuel tank；The cavity is that one end that the one end formed centered on oil pipe to external expansion is closed the cavity of one end opening and opened connects with air-permeable layer, and cavity is arranged on hydraulic oil and hoisted from lower the position of transmission；The air-permeable layer is in cylindrical sleeve outside oil pipe, and one end is opened the other end and is connected with cavity, forms cavity layer with oil pipe surface inside air-permeable layer and ventilative layer surface is provided with N number of aperture.
Description
Technical field
The present invention relates to a kind of hydraulic system cooled down automatically, and in particular to a kind of automatic cooling avoids the hydraulic pressure system of heating
System.
Background technology
Britain Joseph Bu Laman in 1795, in London by the use of water as working media, is answered in the form of hydraulic press
For industrial, be born First hydraulic press in the world.Working medium water was changed to oil in 1905, further changed
It is kind.After hydraulic drive extensive use after the World War I, particularly nineteen twenty, development is more rapid.Hydraulic Elements are big
About between 20 years of 19 early 20th centurys in the end of the century, the regular industrial production stage is just initially entered.Nineteen twenty-five Vickers is invented
Pressure balance type vane pump, it is that modern age Hydraulic Elements are industrial or hydraulicdriven progressively establish is laid a good foundation.Early 20th century health
The theory and practical study that Si Tanding Nice gram is carried out to energy hunting transmission；1910 to the tribute in terms of hydraulic power
Offer, be developed these two aspects field.During World War II, there is 30% to apply hydraulic pressure biography in US Machine Tools
It is dynamic.Develop country's evening such as more American-European nearly more than 20 years it is noted that Japan is hydraulicdriven.Before and after nineteen fifty-five, Japan is rapid
Develop hydraulic drive, set up " hydraulic industry meeting " within 1956.Between nearly 20~30 years, Japanese hydraulic drive development is fast, occupies generation
Boundary leading position.Hydraulic system is made up of signal control and hydraulic power two parts, and signal control portion is used to drive hydraulic pressure to move
Control valve events in power part.Hydraulic power part represented using loop diagram mode, to show between difference in functionality element
Correlation.Hydraulic power source contains hydraulic pump, motor and hydraulic pressure auxiliary element；Hydraulic control portion contains various control valves, its
For controlling flow, pressure and the direction of work fluid；Executable portion contains hydraulic cylinder or hydraulic motor, and it can be by actual requirement
To select.
But can be generated heat in oil pipe during conventional hydraulic long-term work, caused accumulation effect can cavitate, damage
Pump head or pipeline, thus how effectively hydraulic system have been cooled into one have to research the problem of.
The content of the invention
The technical problems to be solved by the invention are hydraulic system to be cooled, and it is an object of the present invention to provide a kind of automatic cooling
The hydraulic system of heating is avoided, solves the problems, such as to cool to hydraulic system.
The present invention is achieved through the following technical solutions：
A kind of automatic cooling avoids the hydraulic system of heating, including main hydraulic cylinder, liquid separation cylinder pressure oil pipe, fuel tank and liquid separation
Pump head inside cylinder pressure, connect and multidirectional flow divider is set on the oil pipe of main hydraulic cylinder and liquid separation cylinder pressure, connect main hydraulic cylinder and oil
Oil sucting one-way valve is set on the oil pipe of case, connects and stop valve is set on the oil pipe of liquid separation cylinder pressure and fuel tank, in connection main hydraulic cylinder
With setting cavity and air-permeable layer on the oil pipe of fuel tank, passage is set on fuel tank；The cavity is outside centered on oil pipe
Extension formed one end close one end opening cavity and open one end connected with air-permeable layer, cavity be arranged on hydraulic oil from
Lower hoists the position of transmission；The air-permeable layer is in cylindrical sleeve outside oil pipe, and one end is opened the other end and connected with cavity
Connect, form cavity layer with oil pipe surface inside air-permeable layer and ventilative layer surface is provided with N number of aperture, N is natural number；The ventilation
Hole is arranged on outside fuel tank.It can be generated heat in oil pipe during existing conventional hydraulic long-term work, caused accumulation effect can be sent out
Anger erosion, damages pump head or pipeline.In order to solve this problem, the present invention improves in terms of 3, increase on one side
Cavity is to need more energy and extrude from lower toward eminence effect in the position for the transmission that hoisted in hydraulic oil from lower
Produce substantial amounts of heat energy, cause hydraulic oil be passed to liquid separation cylinder pressure when temperature it is too high.So the present invention adds cavity simultaneously in this position
Add dry ice in cavity inside at work to be cooled, second aspect increase air-permeable layer, because heat transfer understands cavity
Dry ice can become vapor when cooling, and set aperture that vapor is distributed from small empty position in air-permeable layer, be so in cavity
On the basis of further improve because vapor is in whole air-permeable layer cavity, moreover it is possible to take away the heat on oil pipe surface, so
More preferable by the free volatilization effect of vapor than directly setting cavity, the 3rd aspect sets passage in fuel tank, works as ambient temperature
Amplitude of variation too when easy fuel tank internal aggregation hot gas, this is can to open passage radiating to be avoided hydraulic oil temperature from spending
It is high.
Pressure gauge is connected between described stop valve and fuel tank, sets a pressure gauge more intuitively to check pressure
Power changes, and preferably controls hydraulic system.
The material of the air-permeable layer is copper, the good heat conduction effect of copper, and price material benefit.
The main hydraulic cylinder connects motor, and conventional hydraulic uses manual pump mode oil-feed, wasted time and energy, the present invention adopts
With motor mode oil-feed, economical manpower being pointed out and saving the time.
The present invention compared with prior art, has the following advantages and advantages：
1st, a kind of automatic cooling of the present invention avoids the hydraulic system of heating, and fuel tank sets passage, when ambient temperature changes
Amplitude too when easy fuel tank internal aggregation hot gas, this is can to open passage radiating to be avoided analysis of hydraulic oil overheat；
2nd, a kind of automatic cooling of the present invention avoids the hydraulic system of heating, sets aperture to cause vapor from small in air-permeable layer
Empty position distributes, and is further improved on the basis of cavity, because vapor is in whole air-permeable layer cavity, moreover it is possible to
The heat on oil pipe surface is taken away, the quantity of aperture can be according to free setting；
3rd, a kind of automatic cooling of the present invention avoids the hydraulic system of heating, sets a pressure gauge more intuitively to look into
Pressure change is seen, preferably controls hydraulic system.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention.
Mark and corresponding parts title in accompanying drawing：
1- weights, 2- pump heads, 3- liquid separation cylinder pressures, 4- stop valves, 5- air-permeable layers, 6- cavitys, 7- fuel tanks, the multidirectional shuntings of 8-
Valve, 9- handles, 10- oil sucting one-way valves, 11- motors, 12- main hydraulic cylinders, 13- passages, 14- oil pipes.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment
As shown in figure 1, a kind of automatic cooling of the present invention avoids the hydraulic system of heating, including main hydraulic cylinder 12 and connection
Motor 11, the controlled motor 11 of handle 9.Inside liquid separation cylinder pressure 3, oil pipe 14, tubing diameter 10CM, fuel tank 7 and liquid separation cylinder pressure 3
Pump head 2, weight 1 is supported on pump head 2, connects and multidirectional flow divider 8 is set on the oil pipe 14 of main hydraulic cylinder 12 and liquid separation cylinder pressure 3,
Connect and oil sucting one-way valve 10 is set on the oil pipe 14 of main hydraulic cylinder 12 and fuel tank 7, the oil pipe 14 of connection liquid separation cylinder pressure 3 and fuel tank 7
It is upper that stop valve 4 is set and is connected with pressure gauge between stop valve 4 and fuel tank 7, in connection main hydraulic cylinder 12 and the oil pipe of fuel tank 7
Cavity 6 and air-permeable layer 5 are set on 14, passage 13 and the rightmost side above are set on fuel tank 7, high 10CM diameters 5CM's
Cylinder simultaneously carries a movable soft rubber stopper；The cavity 6 is one end that diameter is formed to external expansion 30CM centered on oil pipe 14
The cavity that one end is opened is closed, one end and air-permeable layer 5 of high 50CM and opening connect, and cavity 6 is arranged on hydraulic oil from lower
Hoist the position of transmission；The air-permeable layer 5 is in cylindrical sleeve outside oil pipe 14, and one end is opened the other end and connected with cavity 6
Connect, the inside of air-permeable layer 5 forms cavity layer with the surface of oil pipe 14 and the surface of air-permeable layer 5 is provided with 6 × 6 matrix aperture；During work：
Rotational handle 9 opens motor 11, from fuel tank 7 by oil pipe and oil sucting one-way valve inspiration hydraulic oil, then passes through from main hydraulic cylinder 12
Oil pipe flows out to multidirectional flow divider, and 3 pump heads 2 will work so rotating multidirectional flow divider opens whole paths, hydraulic oil from
The hoist position of conveying of lower is provided with air-permeable layer 5 and cavity 6, and pouring into dry ice from one end that air-permeable layer 5 is opened enters cavity
6, in this position because heat transfer directly can cool to the position, and caused gas is distributed by the aperture of air-permeable layer 5, warp
A part of hot gas can also be taken away by crossing the surface of oil pipe 14.This just effectively reduces oil temperature, and hydraulic oil works on into liquid separation pressure
Cylinder 3 promotes pump head 2 to boost weight.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (4)
1. a kind of automatic cooling avoids the hydraulic system of heating, including main hydraulic cylinder (12), liquid separation cylinder pressure (3), oil pipe (14), oil
Set on the oil pipe (14) of case (7) and the pump head (2) of liquid separation cylinder pressure (3) inside, connection main hydraulic cylinder (12) and liquid separation cylinder pressure (3)
Multidirectional flow divider (8) is put, connects and oil sucting one-way valve (10) is set on the oil pipe (14) of main hydraulic cylinder (12) and fuel tank (7), connection
Stop valve (4) is set on the oil pipe (14) of liquid separation cylinder pressure (3) and fuel tank (7), it is characterised in that：Connection main hydraulic cylinder (12) and
Cavity (6) and air-permeable layer (5) are set on the oil pipe (14) of fuel tank (7), passage (13) is set on fuel tank (7)；
The cavity (6)：It is that the one end formed centered on oil pipe (14) to external expansion is closed the cavity of one end opening and beaten
The one end opened and air-permeable layer (5) connection, cavity (6) are arranged on hydraulic oil and hoisted from lower the position of transmission；
The air-permeable layer (5)：It is in cylindrical sleeve outside oil pipe (14), one end is opened the other end and is connected with cavity (6), breathed freely
Layer (5) is internal to be provided with N number of aperture with oil pipe (14) surface formation cavity layer and air-permeable layer (5) surface, and N is natural number；
The passage (13)：It is outside to be arranged on fuel tank (7).
2. a kind of automatic cooling according to claim 1 avoids the hydraulic system of heating, it is characterised in that：Described cut-off
Pressure gauge is connected between valve (4) and fuel tank (7).
3. a kind of automatic cooling according to claim 1 avoids the hydraulic system of heating, it is characterised in that：The air-permeable layer
(5) material is copper.
4. a kind of automatic cooling according to claim 1 avoids the hydraulic system of heating, it is characterised in that：The main hydraulic pressure
Cylinder (12) connection motor (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610705757.XA CN106194909B (en) | 2016-08-23 | 2016-08-23 | A kind of automatic cooling avoids the hydraulic system of heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610705757.XA CN106194909B (en) | 2016-08-23 | 2016-08-23 | A kind of automatic cooling avoids the hydraulic system of heating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106194909A CN106194909A (en) | 2016-12-07 |
| CN106194909B true CN106194909B (en) | 2018-01-30 |
Family
ID=57524289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610705757.XA Expired - Fee Related CN106194909B (en) | 2016-08-23 | 2016-08-23 | A kind of automatic cooling avoids the hydraulic system of heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106194909B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2282624B1 (en) * | 2009-08-05 | 2012-04-18 | ABB Research Ltd. | Evaporator and cooling circuit |
| CN204628159U (en) * | 2015-05-05 | 2015-09-09 | 安徽合力股份有限公司 | A kind of oil box respiration device of boss vapor-permeable type |
| CN205401316U (en) * | 2016-02-24 | 2016-07-27 | 陕西彬长大佛寺矿业有限公司 | Combine quick cooling device of hydraulic oil of machine of digging |
| CN205478657U (en) * | 2016-03-25 | 2016-08-17 | 嘉兴职业技术学院 | From heat dissipation hydro -cylinder device |
| CN105736520A (en) * | 2016-04-25 | 2016-07-06 | 安庆市江城冶金机械有限公司 | Oil cylinder cooling device for dry ice machine |
| CN105840596B (en) * | 2016-05-30 | 2017-09-29 | 无锡市钻通工程机械有限公司 | Drilling machine hydraulic oil circulating cooling system |
-
2016
- 2016-08-23 CN CN201610705757.XA patent/CN106194909B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106194909A (en) | 2016-12-07 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into 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: 20180130 Termination date: 20210823 |