CN203249527U - Immersive efficient heat dissipation device and hydraulic station using same - Google Patents
Immersive efficient heat dissipation device and hydraulic station using same Download PDFInfo
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- CN203249527U CN203249527U CN2013202259882U CN201320225988U CN203249527U CN 203249527 U CN203249527 U CN 203249527U CN 2013202259882 U CN2013202259882 U CN 2013202259882U CN 201320225988 U CN201320225988 U CN 201320225988U CN 203249527 U CN203249527 U CN 203249527U
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- radiating
- radiating tube
- condensation end
- evaporation ends
- fin
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0275—Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Disclosed are an immersive efficient heat dissipation device and a hydraulic station using the same. The hydraulic station mainly comprises a hydraulic pump motor, a hydraulic station oil tank and the heat dissipation device. The heat dissipation device is a heat dissipation tube which is a hollow closed metal shell filled with condensed fluid; the lower end of the heat dissipation tube is an evaporation end and is vertically immersed into hydraulic oil in the hydraulic station oil tank, wherein the hydraulic oil needs to be cooled; the upper end of the heat dissipation tube is a condensation end and is arranged in the air. The condensed fluid at the evaporation end is heated by heat in the hydraulic oil and vaporizes, produced vapor carries the heat and ascends to the condensation end at the upper end of the heat dissipation tube under the action of small pressure difference, the heat is transmitted to the air through the condensation end, the vapor without the heat quickly liquifies to condensed fluid at the condensation end, then the condensed fluid flows into the evaporation end and is heated to vaporize to vapor, a heat dissipation cycle is formed, the heat of the hydraulic oil is transmitted out constantly, and the heat dissipation device is used in the hydraulic station to greatly lower the temperature of the hydraulic oil in the hydraulic station oil tank.
Description
Technical field
The utility model belongs to the hydraulic system field of radiating, particularly the Hydraulic Station of a kind of immersion efficient radiating apparatus and this heat abstractor of employing.
Background technology
When the hydraulic pump works of Hydraulic Station, the temperature of hydraulic oil can raise gradually in the Hydraulic Station fuel tank, and too high oil temperature can be accelerated the aging of the interior vitals of hydraulic pump such as seal, reduces its service life.
For the oil temperature that makes hydraulic oil reduces, common employing additionally increases water cooling equipment in the prior art, utilizes press that cooling water is circulated to reach the purpose that reduces oil temperature by being arranged in the water pipe in the hydraulic oil.But increase corresponding water cooling equipment and not only will increase a large amount of cost payouts, in case and water cooling equipment break down, oil temperature will raise immediately, can't reduce, its effect is very unstable.Also have a kind of method exactly fan to be set above hydraulic oil, utilize cross-ventilation that the hydraulic oil pasta is lowered the temperature, although this mode whole structure to the oil temperature reduction with low cost is very not obvious.
The utility model content
The purpose of this utility model is the defective that exists in order to overcome above-mentioned technology, the Hydraulic Station of a kind of immersion efficient radiating apparatus and this heat abstractor of employing is provided, the heat abstractor that this Hydraulic Station adopts comprises that inside is filled with the radiating tube of the hollow closed metal housing of condensate liquid, the lower end is evaporation ends, be dipped vertically in the hydraulic oil that needs cooling, the upper end is that condensation end places air.The heat of hydraulic oil inside makes the condensate liquid of the evaporation ends rear rapid carburation by evaporation that is heated, the steam that produces is raised to the condensation end place of radiating tube upper end under the poor effect of slight pressure with heat, heat has been passed in the air by condensation end, the steam that loses heat is liquefied as rapidly condensate liquid at condensation end, and be back to evaporation ends and be heated and be vaporized into steam, form a heat extraction circulation, the heat of hydraulic oil constantly is passed away, to reduce the oil temperature of hydraulic oil in the Hydraulic Station fuel tank.
Technical scheme:
A kind of immersion efficient radiating apparatus is characterized in that: comprise radiating tube, described radiating tube is the inner hollow closed metal shell structure that is filled with condensate liquid; The part that described radiating tube upper end contacts with air is condensation end, and the part that described radiating tube lower end is immersed in the hydraulic oil is evaporation ends; The outer wall of described condensation end and described evaporation ends is provided with some metal fins.
Described heat abstractor comprises some radiating tubes placed side by side, described radiating tube is flat-plate heat pipe, described flat-plate heat pipe inwall is covered with the liquid-sucking core capillary structure, the thickness of each described flat-plate heat pipe is 10mm-50mm, width is 30mm-200mm, and the length that goes up along the vertical direction is 100mm-500mm.
Described metal fin is the heat sink of fin structure, and described heat sink comprises heat sink body and some radiating fins, described radiating fin be arranged on one wide of described heat sink body upper and be in array-like arrangement perpendicular to this wide; The outside wall surface of described evaporation ends and described condensation end respectively is provided with a pair of described heat sink, the bottom surface that is not provided with radiating fin of described heat sink body contacts with the outside wall surface of described evaporation ends or described condensation end, in order to described evaporation ends or condensation end are clipped between a pair of described heat sink, between a pair of described heat sink for removably connecting; Also scribble thermal grease on the contact position of described radiating tube and described heat sink body.
Each described heat sink comprises 5-20 radiating fin, and the spacing between the adjacent described radiating fin is 5mm-10mm.
Described radiating tube is straight tube structure, and described radiating tube inwall is covered with the liquid-sucking core capillary structure, the rounded pipe structure of described radiating tube outside wall surface, and the cross-sectional diameter of described radiating tube outside wall surface is 50mm-200mm.
Described metal fin is laminated structure ringwise, and the interior ring of described metal fin is fixed on the outside wall surface of described evaporation ends and condensation end; Be fixed on that the metal fin surface of described condensation end is horizontal axially to be arranged in order along described radiating tube from the condensation end top downwards, the horizontal bottom from evaporation ends, metal fin surface that is fixed on described evaporation ends axially upwards is arranged in order along described radiating tube.
The quantity that is fixed on the described metal fin of described evaporation ends or described condensation end is 5-10, be fixed on the described evaporation ends or the adjacent described metal fin on the described condensation end be spaced apart 30mm-100mm, described metal fin outside diameter is 100mm-400mm, and thickness is 2mm-5mm.
The material of described radiating tube and described metal fin is aluminium material, and described condensate liquid is environment friendly refrigerating fluid R407 or freon or liquid ammonia.
A kind of Hydraulic Station has adopted above-mentioned immersion efficient radiating apparatus.
A kind of Hydraulic Station comprises hydraulic pump motor and Hydraulic Station fuel tank, and described hydraulic pump motor is fixed on described Hydraulic Station fuel tank top, and a side of described Hydraulic Station fuel tank top watchcase is provided with the through hole that inserts for described radiating tube; The fan housing of described through hole and described hydraulic electric motor is positioned at the homonymy of described hydraulic pump motor.
Beneficial effect:
Efficient radiating apparatus comprises that inside is filled with the radiating tube of the hollow closed metal housing of condensate liquid, and the metal fin that arranges at condensation end and evaporation ends.The heat of hydraulic oil inside makes the condensate liquid of the radiating tube evaporation ends rear rapid carburation by evaporation that is heated, the steam that produces is raised to the condensation end place of radiating tube upper end under the poor effect of slight pressure with heat, heat has been passed in the air by condensation end, the steam that loses heat is liquefied as rapidly condensate liquid at condensation end, and be back to evaporation ends and be heated and be vaporized into steam, form a heat extraction circulation, the heat of hydraulic oil constantly is passed away, to reduce the oil temperature of hydraulic oil in the Hydraulic Station fuel tank.
Preferably, radiating tube is some flat-plate heat pipes, metal fin is the heat sink of fin structure, the heat sink of fin structure can increase heat sink and heat radiation contact-making surface greatly, accelerate the heat transmission speed between hydraulic oil and evaporation ends, air and the condensation end, effectively increase the cooling efficient of radiating tube.
Preferably, radiating tube is straight tube structure, and inwall is covered with the liquid-sucking core capillary structure, and the lower end is evaporation ends, is used for immersing the hydraulic oil that needs cooling, and the upper end is that condensation end places air.The temperature of hydraulic oil begins to raise when Hydraulic Station is worked, the radiating tube that is immersed in the hydraulic oil the inside has played an effect that heat conducts by the outer wall of evaporation ends and the metal fin that is welded on the outer wall, effectively be delivered to the heat of hydraulic oil inside on the liquid-sucking core capillary structure of radiating tube evaporation ends inwall by metal fin and radiating tube outer wall, condensate liquid in the liquid-sucking core capillary structure rapid carburation by evaporation that is heated, steam flows to the other end---the condensation end of radiating tube under the poor effect of slight pressure; When steam flows to condensation end, its heat that is carrying by condensation end outer wall and the metal fin that is fixed on outer wall conducted among the air, exothermic condensate liquid begins to condense into liquid condensate liquid, because gravity and capillarity, condensate liquid flow back into the radiating tube evaporation ends again by the radiating tube inwall, formed heat transfer cycle, the heat of hydraulic oil just finally is delivered in the air continuously by radiating tube.
Further, metal fin can increase area of heat transfer greatly, better carries out the heat conduction.
Motor radiating in the hydraulic electric motor fan housing can make radiating tube condensation end ambient air flow faster with the rotation of fan in addition, form cross-ventilation, the radiating tube condensation end is distributed at the heat of air to be taken away effectively, and then the condensate liquid in the radiating tube is condensed faster, accelerate the heat transmission circulation in the radiating tube, effectively increased the cooling efficient of radiating tube.
Cost of the present utility model is not high, simplicity of design, and cooling-down effect is remarkable and stable!
Description of drawings
Fig. 1 is a kind of example structure schematic diagram that the utility model adopts the Hydraulic Station of immersion efficient radiating apparatus
Fig. 2 is the front schematic view of immersion efficient radiating apparatus among Fig. 1.
Fig. 3 is the side sectional view of immersion efficient radiating apparatus among Fig. 1.
Fig. 4 is the another kind of structural representation that the utility model adopts the Hydraulic Station of immersion efficient radiating apparatus.
Fig. 5 is the structural representation of immersion efficient radiating apparatus among Fig. 4.
Each label example is as follows among the figure:
The 1-hydraulic pump motor; 11-hydraulic pump motor fan housing; 2-Hydraulic Station fuel tank; 3-hydraulic oil; 4-immersion efficient radiating apparatus; The 41-radiating tube; The 42-evaporation ends; The 43-condensation end; 44-liquid-sucking core capillary structure; The 45-condensate liquid; The 5-metal fin; The 51-heat sink; 52-heat sink body; The 53-radiating fin; The 54-fixing hole; The 55-bolt.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.
Fig. 1 is a kind of example structure schematic diagram that the utility model adopts the Hydraulic Station of immersion efficient radiating apparatus 4, as shown in Figure 1, hydraulic pump motor 1 is fixed on above the Hydraulic Station fuel tank 2, and a side of Hydraulic Station fuel tank 2 top watchcases is provided with through hole, and hydraulic oil 3 is housed in the Hydraulic Station mailbox 2.
Be provided with immersion efficient radiating apparatus 4 with described through hole homonymy, comprise radiating tube 41, radiating tube 41 is the inner hollow closed metal housing that is filled with condensate liquid 45, radiating tube 41 passes through hole and enters in the hydraulic oil 3, the part that its lower end is immersed in the hydraulic oil 3 is evaporation ends 42, and the part that the upper end of radiating tube 41 contacts with air is condensation end 43; Be equipped with some metal fins 5 on the outer wall of evaporation ends 42 and condensation end 43.
Fig. 2 is the Facad structure schematic diagram of immersion efficient radiating apparatus 4 among Fig. 1, and Fig. 3 is the side sectional view of immersion efficient radiating apparatus 4 among Fig. 1; Immersion heat abstractor 4 is preferably 4 successively flat-plate heat pipes 41 of fixed combination side by side, and preferably, the inner tubal wall of each flat plate radiation pipe 41 is covered with liquid-sucking core capillary structure 44, after being pumped into negative pressure in radiating tube 41 pipes, fill an amount of condensate liquid 45, such as freon, liquid ammonia, environment friendly refrigerating fluid R407 etc., then with radiating tube 41 sealings.Because factors such as cost and Environmental Safety, the condensate liquid 45 in the present embodiment is preferably environment friendly refrigerating fluid R407; With regard to the thermal conductivity and cost of metal, radiating tube 41 is preferably aluminium material in addition.The thickness of above-mentioned each flat-plate heat pipe 41 is 10mm-50mm, and width is 30mm-200mm, and the length that goes up along the vertical direction is 100mm-500mm, and the thickness of the preferred flat-plate heat pipe 41 of the present embodiment is 10mm, and width is 50mm, and lower-upper length is 500mm.
As Figure 1-3, further, in order to make the more efficient work of flat-plate heat pipe, evaporation ends 42 and condensation end 43 outside wall surface of flat-plate heat pipe are equipped with metal fin 5, the metal fin 5 here is the heat sink 51 of fin structure, heat sink 51 comprises heat sink body 52 and some radiating fins 53, radiating fin 53 be arranged on one wide of heat sink body 52 upper and be in array-like arrangement perpendicular to this wide; The outside wall surface of evaporation ends 42 and condensation end 43 respectively is provided with a pair of heat sink 51, particularly, the bottom surface that heat sink 51 bodies are not provided with radiating fin 53 contacts with the outer wall of evaporation ends 42 or condensation end 43, in order to evaporation ends 42 or condensation end 43 are clipped between a pair of heat sink 51; As shown in Figure 3, four edges of heat sink 51 are equipped with fixing hole 54, thus in order to by bolt 55 and nut fastening with these 4 successively radiating tube 41 placed side by side tightly level be clipped between 2 heat sink bodies 52.Also scribble thermal grease on the contact position of radiating tube 41 and heat sink body 52, thereby improve heat conduction efficiency in order to guarantee that radiating tube and the contact position of heat sink body can fully contact.
Radiating fin 53 quantity on each heat sink body 52 are 5-20, and the spacing between the radiating fin 53 is 5mm-10mm, among Fig. 1-3, the radiating fin 53 of evaporation ends 42 is 6, every spacing is 10mm, and the radiating fin 53 of condensation end 43 is 16, and every spacing is 5mm.More and the adjacent radiating fin spacing of the radiating fin quantity of evaporation ends is less, so that hydraulic oil on every side is able to fully contact with the radiating fin of evaporation ends, thereby the heat of hydraulic oil is delivered to evaporation ends by radiating fin; And the radiating fin of condensation end is just opposite, and not only the spacing of negligible amounts and adjacent radiating fin is larger, is used for guaranteeing that condensation end radiating fin ambient air flows unimpeded, and flowing of air can be taken away the heat that comes out from condensation end.
Fig. 4 is the another kind of example structure schematic diagram of Hydraulic Station that the utility model adopts the immersion efficient radiating apparatus.Radiating tube 41 in the present embodiment is preferably single radiating tube 41, and radiating tube 41 is straight shape pipe, and radiating tube 41 is preferably aluminium material, and the diameter of radiating tube 41 outer walls is 50mm-200mm, and the diameter of the preferred outer wall of the present embodiment is 150mm.
Fig. 5 is the structural representation of immersion efficient radiating apparatus among Fig. 4.Further, as shown in Figure 4 and Figure 5, the outer wall that immerses the evaporation ends 42 in the hydraulic oil 3 is provided with the metal fin 5 of some annular slice structures, certainly, these metal fins 5 also can be the difformity structure, also can wholely be connected and fixed with radiating tube evaporation ends 42 outer walls, also can partly be connected and fixed, in order to be delivered on evaporation ends 42 outer walls the temperature of hydraulic oil 3 is as much as possible, the material of the present embodiment preferable alloy fin 5 is aluminium material, interior ring and evaporation ends 42 outer walls of metal fin 5 are suitable, fix with the mode of welding on the outer wall of evaporation ends 42 and preferably in order to the inner ring sleeve that makes things convenient for metal fin 5.Be fixed with the metal fin 5 of some annular slice structures on the condensation end 43 with the same manner.
Further, make things convenient for horizontal bottom from evaporation ends 42, metal fin 5 surfaces to begin upwards to be arranged in order along axially (preferably, vertical) of radiating tube; Same, the upper end of radiating tube 41, also be provided with some metal fins 5 on condensation end 43 outer walls that contact with air, it is the same with the size shape of metal fin 5 on evaporation ends 42 outer walls, horizontal top from condensation end 43, metal fin 5 surfaces on the condensation end 43 begins to be arranged in order downwards along axially (preferably, vertical) of radiating tube.
The quantity of metal fin 5 is 5-10 on the outer wall of evaporation ends 42 and condensation end 43, and metal fin 5 outside diameter length are 100mm-400mm, and every interval is 30mm-100mm up and down, and thickness is 2mm-5mm.The quantity of metal fin 5 is 10 on the outer wall of the preferred evaporation ends 42 of the present embodiment and condensation end 43, and race diameter length is 300mm, and the interval is 50mm, and thickness is 2mm.
Concrete, when the temperature of hydraulic oil 3 begins to raise, be immersed in the effect that a plurality of metal fins 5 that are connected and fixed on evaporation ends 42 outer walls of hydraulic oil 3 the insides and the outer wall have played a heat conduction, the heat of hydraulic oil 3 inside can be delivered on evaporation ends 42 inwalls (if be provided with liquid-sucking core capillary structure 44 effectively by metal fin 5 and radiating tube 41 outer walls, then be delivered on the liquid-sucking core capillary structure 44), inwall is (if be provided with liquid-sucking core capillary structure 44, then the liquid-sucking core capillary structure 44) in the condensate liquid 45 rapid carburation by evaporation that is heated, steam flows to the other end---the condensation end 43 of radiating tube 41 under the poor effect of slight pressure; When steam flows to condensation end 43, with its heat that is carrying by condensation end 43 outer wall and outer wall on fixing metal fin 5 conducted among the air, exothermic condensate liquid 45 begins to condense into liquid condensate liquid 45, because gravity and capillarity, it is more than that condensate liquid 45 flow back into 42 circulations of radiating tube evaporation ends again by radiating tube 41 inwalls, so the heat of hydraulic oil 3 just finally is delivered in the air continuously by radiating tube 41, thereby effectively realized purpose to hydraulic oil 3 coolings.
In addition, for being passed in the air faster, goes the heat that makes hydraulic oil 3, so through hole is arranged on over against the position of hydraulic pump motor fan housing 11, in the middle of hydraulic pump motor is being worked operation, blade rotation in the hydraulic pump motor fan housing 11 makes condensation end 43 ambient air flow faster, form cross-ventilation, condensation end 43 is distributed at the heat of air to be taken away effectively, and then the condensate liquid 45 in the radiating tube 41 is condensed faster, accelerate the heat transmission circulation in the radiating tube 41, effectively increased the cooling efficient of radiating tube 41.
In addition, the interior cross section of radiating tube 41 is not limited to circle in the present embodiment, also can be ellipse, quadrangle or polygon; The shape of radiating tube 41 can be dull and stereotyped, also can be that other is irregularly shaped for straight (curved) pipe, annular etc.; Radiating tube 41 inwalls can be smooth tube walls, also can be to be carved with conduit, or with the netted or liquid-sucking core capillary structure 44 that increases capillary force; The outer wall of radiating tube 41 can be smooth tube wall or be added with metal fin 5.
According to actual condition, Hydraulic Station fuel tank 2 can adopt an immersion efficient radiating apparatus also can adopt simultaneously a plurality of immersion efficient radiating apparatus.
The above has done detailed description to embodiment of the present utility model by reference to the accompanying drawings, but the utility model is not limited to above-mentioned embodiment, in the ken that those of ordinary skills possess, can also under the prerequisite that does not break away from the utility model aim, make various variations.
Claims (10)
1. immersion efficient radiating apparatus is characterized in that: comprise radiating tube, described radiating tube is the inner hollow closed metal shell structure that is filled with condensate liquid; The part that described radiating tube upper end contacts with air is condensation end, and the part that described radiating tube lower end is immersed in the hydraulic oil is evaporation ends; The outer wall of described condensation end and described evaporation ends is provided with some metal fins.
2. a kind of immersion efficient radiating apparatus according to claim 1, it is characterized in that: described heat abstractor comprises some radiating tubes placed side by side, described radiating tube is flat-plate heat pipe, described flat-plate heat pipe inwall is covered with the liquid-sucking core capillary structure, the thickness of each described flat-plate heat pipe is 10mm-50mm, width is 30mm-200mm, and the length that goes up along the vertical direction is 100mm-500mm.
3. a kind of immersion efficient radiating apparatus according to claim 2, it is characterized in that: described metal fin is the heat sink of fin structure, described heat sink comprises heat sink body and some radiating fins, described radiating fin be arranged on one wide of described heat sink body upper and be in array-like arrangement perpendicular to this wide; The outside wall surface of described evaporation ends and described condensation end respectively is provided with a pair of described heat sink, the bottom surface that is not provided with radiating fin of described heat sink body contacts with the outside wall surface of described evaporation ends or described condensation end, in order to described evaporation ends or condensation end are clipped between a pair of described heat sink, between a pair of described heat sink for removably connecting; Also scribble thermal grease on the contact position of described radiating tube and described heat sink body.
4. a kind of immersion efficient radiating apparatus according to claim 3, it is characterized in that: each described heat sink comprises 5-20 radiating fin, and the spacing between the adjacent described radiating fin is 5mm-10mm.
5. a kind of immersion efficient radiating apparatus according to claim 1, it is characterized in that: described radiating tube is straight tube structure, described radiating tube inwall is covered with the liquid-sucking core capillary structure, the rounded pipe structure of described radiating tube outside wall surface, the cross-sectional diameter of described radiating tube outside wall surface is 50mm-200mm.
6. a kind of immersion efficient radiating apparatus according to claim 5, it is characterized in that: described metal fin is laminated structure ringwise, and the interior ring of described metal fin is fixed on the outside wall surface of described evaporation ends and condensation end; Be fixed on that the metal fin surface of described condensation end is horizontal axially to be arranged in order along described radiating tube from the condensation end top downwards, the horizontal bottom from evaporation ends, metal fin surface that is fixed on described evaporation ends axially upwards is arranged in order along described radiating tube.
7. a kind of immersion efficient radiating apparatus according to claim 6, it is characterized in that: the quantity that is fixed on the described metal fin on described evaporation ends or the described condensation end is 5-10, be fixed on the described evaporation ends or the adjacent described metal fin on the described condensation end be spaced apart 30mm-100mm, described metal fin outside diameter is 100mm-400mm, and thickness is 2mm-5mm.
8. described a kind of immersion efficient radiating apparatus one of according to claim 1-7, it is characterized in that: the material of described radiating tube and described metal fin is aluminium material, described condensate liquid is environment friendly refrigerating fluid R407 or freon or liquid ammonia.
9. a Hydraulic Station is characterized in that: adopted the described a kind of immersion efficient radiating apparatus of one of claim 1-8.
10. a kind of Hydraulic Station according to claim 9, it is characterized in that: described Hydraulic Station comprises hydraulic pump motor and Hydraulic Station fuel tank, described hydraulic pump motor is fixed on described Hydraulic Station fuel tank top, and a side of described Hydraulic Station fuel tank top watchcase is provided with the through hole that inserts for described radiating tube; The fan housing of described through hole and described hydraulic pump motor is positioned at the homonymy of described hydraulic pump motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202259882U CN203249527U (en) | 2013-04-28 | 2013-04-28 | Immersive efficient heat dissipation device and hydraulic station using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202259882U CN203249527U (en) | 2013-04-28 | 2013-04-28 | Immersive efficient heat dissipation device and hydraulic station using same |
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| CN203249527U true CN203249527U (en) | 2013-10-23 |
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| CN2013202259882U Expired - Lifetime CN203249527U (en) | 2013-04-28 | 2013-04-28 | Immersive efficient heat dissipation device and hydraulic station using same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595261A (en) * | 2014-12-26 | 2015-05-06 | 刘坚 | Hydraulic work station |
| CN104747509A (en) * | 2014-07-24 | 2015-07-01 | 崔国锐 | Hydraulic oil tank for mulch applicator |
| CN107002712A (en) * | 2014-11-25 | 2017-08-01 | 罗伯特·博世有限公司 | Use for the cooling device and cooling device of hydraulic pressure unit |
| CN112377473A (en) * | 2020-11-19 | 2021-02-19 | 济宁职业技术学院 | Electromechanical hydraulic power system and electromechanical integrated driving device |
-
2013
- 2013-04-28 CN CN2013202259882U patent/CN203249527U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747509A (en) * | 2014-07-24 | 2015-07-01 | 崔国锐 | Hydraulic oil tank for mulch applicator |
| CN107002712A (en) * | 2014-11-25 | 2017-08-01 | 罗伯特·博世有限公司 | Use for the cooling device and cooling device of hydraulic pressure unit |
| CN104595261A (en) * | 2014-12-26 | 2015-05-06 | 刘坚 | Hydraulic work station |
| CN112377473A (en) * | 2020-11-19 | 2021-02-19 | 济宁职业技术学院 | Electromechanical hydraulic power system and electromechanical integrated driving device |
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Granted publication date: 20131023 |