CN105545404A - Cooling method and device for hydraulic oil tank of small-sized construction machinery - Google Patents
Cooling method and device for hydraulic oil tank of small-sized construction machinery Download PDFInfo
- Publication number
- CN105545404A CN105545404A CN201510998057.XA CN201510998057A CN105545404A CN 105545404 A CN105545404 A CN 105545404A CN 201510998057 A CN201510998057 A CN 201510998057A CN 105545404 A CN105545404 A CN 105545404A
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- CN
- China
- Prior art keywords
- air
- hydraulic oil
- oil tank
- cooling
- engine
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/002—Cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/04—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture
- F02M31/10—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture by hot liquids, e.g. lubricants or cooling water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/04—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture
- F02M31/10—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture by hot liquids, e.g. lubricants or cooling water
- F02M31/102—Particular constructional characteristics of the shape of the heat exchange surfaces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The invention discloses a cooling method and a cooling device for a hydraulic oil tank of small-sized construction machinery. The cooling device comprises an air filter, a gas inlet, the hydraulic oil tank, an oil return port, an oil tank radiating plate, an oil outlet, a gas outlet, and an engine gas inlet tube. According to the cooling device, air flow of the engine gas inlet tube is utilized to carry out forced cooling on the hydraulic oil tank of the small-sized construction machinery, air filtered by the air tank is distributed towards the two sides of the oil tank under the guide of the radiating plate at the outer side of the oil tank, so that the heat conducted and radiated from the oil tank is taken away to reduce the temperature of the hydraulic oil tank, and an engine gas inlet header tube is accessed at the outlet of the cooling device. The cooling device is compact in structure, and can carry out forced cooling on the hydraulic oil tank to reach better cooling effect without additionally providing power, so that the space of the complete machine is saved. Meanwhile, the temperature of the inlet gas of an engine is increased, so that fuels in the engine are combusted more sufficiently. The cooling device realizes the forced cooling of the hydraulic oil tank, and also achieves the effects of saving energy and reducing emission.
Description
Technical field
The present invention relates to and a kind ofly can be widely used in minor works, the cooling means of agriculture and forestry machinery hydraulic oil and device.
Background technique
The cooling of current engineering mechanical hydraulic oil generally adopts the modes such as nature cooling, fan forced air cooling and Forced water cooling.Minor works and agriculture and forestry machinery because hydraulic pressure pump delivery is little, hydraulic function action is few, so the volume of its hydraulic oil tank does not need too large.Some small-sized machines adopt nature cooling just can reach cooling effect, but along with the increase of working load, the prolongation of operating time, oil temperature just raises too fast, and cooling does not just reach cooling-down effect naturally.The limited space of small engineering machinery or agriculture and forestry machinery, additionally increase fan or water cooling plant bring larger difficulty to overall design and topology layout again, these cooling units running simultaneously will consume the power of complete machine, and then reduces the output of effective engine power.The present invention utilizes the flowing of the air in engine air inlet tube to carry out forced heat radiation cooling to hydraulic oil tank.Its method is at hydraulic oil tank outer installment specific gas circulation device, and this device not only can improve fuel tank heat diffusion area but also can improve air flow direction raising gas converting heat efficiency.This type of cooling does not need the extra energy consumption equipment (as fan, water pump) of being correlated with that increases just can carry out pressure cooling to hydraulic oil tank, the relative output that improve effective engine power.Simultaneously owing to improve the intake temperature of motor, decrease the noxious gas emission of motor.
Summary of the invention
The present invention relates to and a kind ofly can be widely used in minor works, the cooling means of agriculture and forestry machinery hydraulic oil and device.
Technological scheme of the present invention is: a kind of cooling means of small engineering machinery hydraulic oil tank and device, comprises air-strainer, suction port, hydraulic oil tank, return opening, fuel tank radiating fin, seal closure, oil outlet, air outlet, engine air inlet tube.
Above-mentioned air-strainer, is characterized in that: filter the air entering motor, utilize engine aspirating system negative pressure to realize the flowing of air, take away the heat that hydraulic oil comes out.
Above-mentioned suction port, is characterized in that: the air be filtered guides to the shunting of hydraulic oil tank both sides through radiating fin at suction port place, and enters fuel tank heat sink area.
Above-mentioned fuel tank radiating fin, it is characterized in that: the radiating fin being longitudinally evenly arranged multilayer parallel at hydraulic oil tank, it in fuel tank surrounding, both can improve fuel tank heat diffusion area along gas flow direction horizontal arrangement, can play again the effect of water conservancy diversion and increase heat exchange to the air entered.
Above-mentioned air outlet, is characterized in that: air outlet and the engine air inlet tube of cooling unit are connected and sealed, joint transitions smooth, reduces gas flow resistance.
Above-mentioned seal closure, is characterized in that: the cooled region of fuel tank and external environment are isolated, and fit tightly with radiating fin, have the oil outlet of hydraulic oil tank in the outer installment of seal closure.
Beneficial effect of the present invention:
The present invention is novel, and structure is simple, good cooling results, utilizes the air in engine air inlet tube to flow and carries out forced heat radiation cooling to hydraulic oil tank.Its method is at hydraulic oil tank outer installment specific gas circulation device, and this device not only can improve fuel tank heat diffusion area but also can improve air flow direction raising gas converting heat efficiency.Test shows that this type of cooling does not need the extra energy consumption equipment of being correlated with that increases just can carry out pressure cooling to hydraulic oil tank, the relative output that improve effective engine power.Simultaneously owing to improve the intake temperature of motor, decrease motor noxious gas emission.
Accompanying drawing explanation
Fig. 1 is structural principle schematic diagram of the present invention.
Embodiment
See Fig. 1, the present invention includes air-strainer, suction port, hydraulic oil tank, return opening, fuel tank radiating fin, seal closure, oil outlet, air outlet, engine air inlet tube.
Above-mentioned air-strainer 1 filters the air entering motor, utilizes engine aspirating system negative pressure to realize the flowing of air, and takes away the heat that hydraulic oil comes out.
Above-mentioned suction port 3 is entrances that hydraulic oil tank forces cooled region, and filtered air enters fuel tank cooled region through the guiding of radiating fin to the shunting of hydraulic oil tank both sides at suction port place.
Above-mentioned fuel tank radiating fin 6 is arranged along hydraulic oil tank Vertical direction horizontal homogeneous, and gas, along fin gap bottom horizontal flow sheet, both can improve fuel tank heat diffusion area, can play again the effect of water conservancy diversion and increase heat exchange to the air entered.
Above-mentioned air outlet 7 is connected and sealed with engine air inlet tube, and joint transitions smooth reduces gas flow resistance.
Above-mentioned seal closure 4 is isolated at the cooled region of fuel tank and external environment, and fit tightly with radiating fin, the oil outlet of hydraulic oil tank is had in the outer installment of seal closure, upper end and top of oil-tank are bolted, lower end and tank bottoms boss are bolted, and two places all arrange seal ring.
Specific works process of the present invention is as follows: appropriate hydraulic oil adds in hydraulic oil tank 12 through reservoir port 11, motor entry into service works, hydraulic work device starts action, hydraulic oil enters hydraulic system by oil outlet 5 and drives corresponding equipment, and get back to hydraulic oil tank 12 by return opening 10, gas-entered passageway 2 is inhaled into through filter cleaner 1 filtered air, the cooled region be made up of hydraulic oil tank 12 and seal closure 4 is entered at suction port 3 place, air is along radiating fin 6 gap bottom horizontal flow sheet, through heat exchange and thermal radiation, take away the heat that radiating fin 6 comes out with fuel tank 12 wall, to be collected in air outlet, cooling zone 7 by the air that heats and enter outlet passageway 8, outlet passageway 8 is connected with engine intake manifold 9, now be inhaled into engine intake manifold 9 by the air heated and enter cylinder and fuel oil mixed combustion is done work, along with working load increases, hydraulic fluid temperature raises, the engine power needed also increases, air input of engine by air also increases, have more air enter cooling zone and take away more heat, thus hydraulic oil tank is reached to the effect of forcing cooling.
Claims (7)
1. a cooling unit for small engineering machinery hydraulic oil tank, is characterized in that: comprise air-strainer, suction port, hydraulic oil tank, return opening, fuel tank radiating fin, oil outlet, air outlet, engine air inlet tube.
2. cooling unit according to claim 1, is characterized in that: air-strainer filters the air entering motor, utilizes engine aspirating system negative pressure to realize the flowing of air, takes away the heat that hydraulic oil comes out.
3. cooling unit according to claim 1, is characterized in that: the guiding being in radiating fin in suction port through air-strainer filtered air realizes to the shunting of hydraulic oil tank both sides, and enters fuel tank heat sink area.
4. cooling unit according to claim 3, it is characterized in that: fuel tank radiating fin is the radiating fin at the longitudinal multilayer parallel be evenly arranged of hydraulic oil tank, its along gas flow direction horizontal arrangement in fuel tank surrounding, both can improve fuel tank heat diffusion area, the effect of water conservancy diversion and increase heat transfer effect can be played again the air entered.
5. cooling unit according to claim 1, is characterized in that: air outlet and the engine air inlet tube of cooling unit are connected and sealed, joint transitions smooth, reduces gas flow resistance.
6. the cooling unit according to claim 1 or 3 or 4, is characterized in that: also comprise seal closure, the cooled region of fuel tank and external environment is isolated, and fits tightly with radiating fin, have the oil outlet of hydraulic oil tank in the outer installment of seal closure.
7. adopt the cooling unit according to any one of claim 1-6 to carry out the method cooled, it is characterized in that: appropriate hydraulic oil adds in hydraulic oil tank through reservoir port, motor entry into service works, hydraulic work device starts action, hydraulic oil enters hydraulic system by oil outlet and drives corresponding equipment, and get back to hydraulic oil tank by return opening, gas-entered passageway is inhaled into through air-strainer filtered air, the cooled region be made up of hydraulic oil tank and seal closure is entered at suction port place, air is along fin gap bottom horizontal flow sheet, through heat exchange and thermal radiation, take away the heat that radiating fin and fuel tank wall come out, to be collected in air outlet, cooling zone by the air that heats and enter outlet passageway, outlet passageway is connected with engine intake manifold, now be inhaled into engine intake manifold by the air heated and enter cylinder and fuel oil mixed combustion is done work, along with working load increases, hydraulic fluid temperature raises, the engine power needed also increases, air input of engine by air also increases, have more air enter cooling zone and take away more heat, thus hydraulic oil tank is reached to the effect of forcing cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510998057.XA CN105545404A (en) | 2015-12-29 | 2015-12-29 | Cooling method and device for hydraulic oil tank of small-sized construction machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510998057.XA CN105545404A (en) | 2015-12-29 | 2015-12-29 | Cooling method and device for hydraulic oil tank of small-sized construction machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105545404A true CN105545404A (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510998057.XA Pending CN105545404A (en) | 2015-12-29 | 2015-12-29 | Cooling method and device for hydraulic oil tank of small-sized construction machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105545404A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105213A (en) * | 2016-11-24 | 2018-06-01 | 中航贵州飞机有限责任公司 | The device that current limliting and heat dissipation integrate |
| CN111213024A (en) * | 2017-10-26 | 2020-05-29 | 康明斯公司 | Cooled lubricant filter housing |
-
2015
- 2015-12-29 CN CN201510998057.XA patent/CN105545404A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105213A (en) * | 2016-11-24 | 2018-06-01 | 中航贵州飞机有限责任公司 | The device that current limliting and heat dissipation integrate |
| CN111213024A (en) * | 2017-10-26 | 2020-05-29 | 康明斯公司 | Cooled lubricant filter housing |
| US11215321B2 (en) | 2017-10-26 | 2022-01-04 | Cummins Inc. | Cooled lubricant filter housing |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20160504 |