CN106683830A - Non-uniform oil duct sheet type radiator - Google Patents

Non-uniform oil duct sheet type radiator Download PDF

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Publication number
CN106683830A
CN106683830A CN201710127494.3A CN201710127494A CN106683830A CN 106683830 A CN106683830 A CN 106683830A CN 201710127494 A CN201710127494 A CN 201710127494A CN 106683830 A CN106683830 A CN 106683830A
Authority
CN
China
Prior art keywords
oil
oil duct
fin
unit
inlet pipe
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.)
Pending
Application number
CN201710127494.3A
Other languages
Chinese (zh)
Inventor
王建忠
陈志频
马昕霞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHANGSHU YOUBANG RADIATOR Co Ltd
Original Assignee
CHANGSHU YOUBANG RADIATOR Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CHANGSHU YOUBANG RADIATOR Co Ltd filed Critical CHANGSHU YOUBANG RADIATOR Co Ltd
Priority to CN201710127494.3A priority Critical patent/CN106683830A/en
Publication of CN106683830A publication Critical patent/CN106683830A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/10Liquid cooling
    • H01F27/12Oil cooling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/03Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
    • F28D1/0308Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by paired plates touching each other
    • F28D1/0316Assemblies of conduits in parallel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/08Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
    • F28F3/086Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning having one or more openings therein forming tubular heat-exchange passages

Abstract

The invention discloses a non-uniform oil duct sheet type radiator. The radiator comprises an oil inlet pipe, an oil outlet pipe and a set of radiating fins, the set of radiating fins are composed of a front radiating fin and a rear radiating fin, multiple oil duct units are formed between the front radiating fin and the rear radiating fin, each oil duct unit is provided with multiple oil ducts, each two adjacent oil duct units are separated by an oil duct unit separating weld bead, the areas of the upper parts of the front radiating fin and the rear radiating fin form radiating sheet oil inlet cavities, the areas of the lower parts of the front radiating fin and the rear radiating fin form radiating sheet oil returning cavities, the upper parts of the oil ducts are communicated with the radiating sheet oil inlet cavities, and the lower parts of the oil ducts are communicated with the radiating sheet oil returning cavities. The non-uniform oil duct sheet type radiator is characterized in that in the oil duct units, the section area of the oil duct of each oil duct unit at each of both sides is different from the section area of the oil duct located at the middle oil duct unit, and the section area of the oil duct of each oil duct unit at each of both sides is the same as the section area of the oil duct located at the middle oil duct unit. The integral radiating efficiency is improved, the service life is guaranteed, the specification size of the radiator and the cost are reduced, and the adaptedness for an installation space is improved.

Description

Non-homogeneous oil duct gilled radiator
Technical field
The invention belongs to oil-filled transformer component technology field, and in particular to a kind of non-homogeneous oil duct gilled radiator.
Background technology
As is known in the industry, in order to ensure oil-filled transformer is run steadily in the long term, need to be in oil-filled transformer body The both sides of long side direction configure gilled radiators, radiator and oil by means of flange connection or other similar connected modes The conduction oil of immersion inside transformer forms circulation cooling circuit, plays the work to the iron core cooling inside oil-filled transformer With, the temperature rise for making oil-filled transformer is controlled, ensure power supply-distribution system it is normal with it is safe.
It is no lack of the technical information with regard to gilled radiator, such as CN201084519Y in disclosed Chinese patent literature(Become Depressor gilled radiator)、CN201229827Y(Stair type heat radiator of heat radiating fins)、CN201185117Y(The chip of transformator Radiator)、CN201185118Y(The radiator of transformator)、CN201185115Y(Radiator with fan seat)、 CN201256051Y and CN101388275A(Using the transformer heat exchanger of evaporation cooling technique)、CN202394651U(Transformation Device gilled radiator)、CN201331277Y(Fin type heat radiator for transformer)、CN101930829A(A kind of oil-filled transformer Radiator)、CN203642770U(Gilled radiator)And CN204286154U(A kind of oil-filled transformer cooling is dissipated with chip Hot device), etc..
And then as is known in the industry, improving the heat transfer property of gilled radiator can effectively reduce the fluid temperature of oil-filled transformer Degree, improves working environment and extends the service life of oil-filled transformer.Additionally, the radiating efficiency of gilled radiator and radiating The improvement of effect can reduce the specification of gilled radiator or even reduce the quantity of gilled radiator, not only can save to money The consumption in source, and the cost of oil-filled transformer can be reduced.
By the reading to being not limited to patent documentation exemplified above, deposit in the structure design of gilled radiator It is uniform in the oil duct of common ground, i.e. gilled radiator, specifically, is implemented in(It is formed in)On same gilled radiator Plural bar oil duct(Oil duct is also referred to as " oil groove ", as follows)Cross-sectional area be it is equal, this structure have be simplified use In shaping fin mould strong point, and for a long time both by radiator production firm law as approval get back The accreditation of transformator user, especially, had not only had no so far but also had not heard the report that any query is proposed to this impartial oil channel structure Road.But many experiments that Jing the applicant is made think that uniform oil duct at least has following technical problem:Because radiator exists During actual military service, the oil mass received positioned at the oil duct of fin two side areas receives than the oil duct positioned at central region Oil mass it is little, thus abundance of the fluid in the oil duct of two side areas and central region is uneven, then two side areas The radiating efficiency and radiating effect relative mistake of oil duct, affects the work efficiency of whole radiator, or even the use for affecting transformator Life-span.Additionally due to the design concept as the law of uniform oil duct also produces and following attempts to solve but fail all the time so far solution Puzzlement certainly:The factor consideration such as space constraints when being installed for cost factor and electric power facility due to transformator user, because And require that transformer production manufacturer reduces as far as possible specification or even the reduction of radiator on the premise of radiating effect is guaranteed The quantity of radiator, but facts have proved that Pedis Ursuss cannot get both with Fin Mustetus manazo.
For above-mentioned technical problem, the applicant has made beneficial design, and technology described below is defined finally Scheme, and the test center in the case where secrecy provision is taken in the applicant tested, and as a result proves practical 's.
The content of the invention
The task of the present invention is to provide one kind to contribute to significantly improving integral heat sink efficiency and using guarantee oil immersed type and become The configuration of the service life of depressor, the specification for being conducive to reduction radiator or even reduction radiator on oil-filled transformer Quantity and using meets transformator user reduces cost and saves the non-homogeneous oil duct gilled radiator of requirements of installation space.
The task of the present invention is performed by, a kind of non-homogeneous oil duct gilled radiator, including an oil inlet pipe, one time Oil pipe and one group not only longitudinally of one another it is parallel match somebody with somebody spaced reciprocally again be connected between oil inlet pipe and oil return pipe for will be by oil-feed Return after the high-temperature oil liquid radiating that pipe is introduced and cause the fin of oil return pipe, one group of fin after the plate and that radiates before respectively by dissipating Hot plate piece is constituted, and the front radiating plate and rear radiating plate face each other and coordinate and at edge position by fin side Welding bead mutual solid welding in border is integrated, and constituting between front radiating plate and rear radiating plate has a plurality of oil duct units, each oil duct Unit has between plural bar oil duct, and each two adjacent oil duct unit by the separation of oil duct cell isolation welding bead, front radiating plate It is configured to fin oil suction chamber with the region on the top of rear radiating plate, and the region of bottom is configured to fin oil back chamber, institute The top of the oil duct stated communicates with fin oil suction chamber and bottom communicates with the fin oil back chamber, is characterised by described oil In road unit, it is and the oil duct positioned at middle oil duct unit positioned at the cross-sectional area of the oil duct of each oil duct unit of both sides Cross-sectional area it is different, and the cross-sectional area for being located at the oil duct of each oil duct unit of both sides is mutually the same.
In a specific embodiment of the present invention, the horizontal stroke of the oil duct of the described each oil duct unit positioned at both sides Sectional area is bigger than the cross-sectional area of the described oil duct positioned at middle oil duct unit.
In another specific embodiment of the present invention, the oil duct of the described each oil duct unit positioned at both sides Cross-sectional area is 1.52 times of the cross-sectional area of the described oil duct positioned at middle oil duct unit.
In another specific embodiment of the present invention, the number of the oil duct of each oil duct unit positioned at both sides The quantity of amount and the oil duct positioned at middle oil duct unit is identical.
The present invention another specific embodiment in, the oil duct of each oil duct unit positioned at both sides and The quantity of the oil duct positioned at middle oil duct unit is respectively between three, four or five, and each two adjacent oil duct Passage insertion is narrowed by oil duct.
In an also specific embodiment of the present invention, constituting in one end of the oil inlet pipe has one to be used for and oil immersion The oil inlet pipe adapting flange that the transformator oil-out of formula transformator is connected, and the other end of oil inlet pipe is closed, the middle part of oil inlet pipe Side towards under communicates with fin oil suction chamber.
In the present invention more and in a specific embodiment, it is fixed with side of the middle part of the oil inlet pipe towards on Radiator hanger.
The present invention's and then in a specific embodiment, side of the oil inlet pipe towards on is provided with a deflation Plug screw.
The present invention's and more and in a specific embodiment, constituting in one end of the oil return pipe has one to be used for and oil The oil return pipe adapting flange that the transformator oil-in of immersion transformator is connected, and the other end of oil return pipe is closed, in oil return pipe Portion communicates towards upper side with described fin oil back chamber.
Again and then in a specific embodiment, it is each provided with dissipating in the both sides of one group of described fin of the invention Backing connection reinforcement rib.
The technical scheme that the present invention is provided has technical effect that:Technology prejudice in due to overcoming prior art and incite somebody to action The oil duct design of each oil duct unit positioned at both sides being formed in a plurality of oil duct units between forward and backward radiating plate It is to differ with the cross-sectional area of the oil duct positioned at middle oil duct unit, thus helps in and significantly improve the entirety of fin and dissipate The thermal efficiency, ensures the service life of oil-filled transformer, and also helps the specification for reducing radiator or even reduce scattered Configuration quantity of the fin of hot device on oil-filled transformer is highly beneficial right in transformator user reduces cost and enhancement The adaptedness of installing space.
Description of the drawings
Fig. 1 is embodiments of the invention structure chart.
Fig. 2 is the front view of Fig. 1.
Fig. 3 is the local structural graph of the fin shown in Fig. 1.
Fig. 4 is the sectional view of the fin shown in Fig. 1.
Specific embodiment
Fig. 1 to Fig. 4 is referred to, shows that an oil inlet pipe 1, an oil return pipe 2 and one group were not only parallel but also mutual longitudinally of one another Compartment of terrain be connected between oil inlet pipe 1 and oil return pipe 2 for will the high-temperature oil liquid that introduced by oil inlet pipe 1 radiate after return causing back The fin 3 of oil pipe 2, one group of fin 3 it is each one by made by material is preferably rustless steel before radiate and radiate after plate 31 and Plate 32 is constituted, the front radiating plate 31 and rear radiating plate 32 face each other cooperation and at edge position by radiating The piece limit mutual solid welding of welding bead 33 is integrated, and constituting between front radiating plate 31 and rear radiating plate 32 has a plurality of oil duct units 34, each oil duct unit 34 has between plural bar oil duct 341, and each two adjacent oil duct unit 34 and is welded by oil duct cell isolation Road 342 separates, and front radiating plate 31 is configured to fin oil suction chamber 37 with the region on the top of rear radiating plate 3, and bottom Region is configured to fin oil back chamber 35, and the top of aforesaid oil duct 341 communicates with fin oil suction chamber 37, and bottom dissipates with this Backing oil back chamber 35 is communicated.
The technical essential of the technical scheme provided as the present invention:In aforesaid oil duct unit 34, positioned at each of both sides The cross-sectional area of the oil duct 341 of one oil duct unit 34 is the cross-sectional area with the oil duct 341 positioned at middle oil duct unit 34 Different, and the cross-sectional area for being located at the oil duct 341 of each oil duct unit 34 of both sides is mutually the same.So that chip Radiator shows as the non-homogeneous hot device of oil duct chip.
The cross-sectional area of the oil duct 341 of aforesaid each oil duct unit 34 positioned at both sides is than aforesaid positioned at middle The cross-sectional area of the oil duct 341 of oil duct unit 34 is big.
In the present embodiment, before the cross-sectional area of the oil duct 341 of aforesaid each oil duct unit 34 positioned at both sides is 1.52 times of the cross-sectional area of the oil duct 341 positioned at middle oil duct unit 34 stated.
Preferably, the quantity of the oil duct 341 of aforementioned each oil duct unit 34 positioned at both sides and aforementioned positioned at centre The quantity of oil duct of oil duct unit 34 be that identical is i.e. equal.
In the present embodiment, the oil duct 341 of aforementioned each oil duct unit 34 positioned at both sides and aforementioned positioned at centre Oil duct unit 34 oil duct 341 quantity respectively be three(I.e. three), but can also be respectively four or five, and each two The insertion of passage 3411 is narrowed by oil duct between adjacent oil duct 341, because the shape of cross section of oil duct unit 34 is in a plurality of sleeping The 8-shaped put, thus helping in strengthens the intensity of fin 3.Additionally, aforesaid oil duct narrows passage 3411 and can play and make fluid The effect of turbulent flow.
The quantity that also show in the diagram positioned at middle oil duct unit 34 is six, but is not limited to six.
According to Φ=h*A* Δ T(A heat transfer areas, Δ T mean temperature differences, h heat transfer coefficient Φ heat flows).By increase Transformer oil flow velocity, so as to enhancing heat transfer h, because transformer oil flowing is relatively uniform, heat transfer area A has increased, from And increase heat flow, improve the heat radiation power of radiator.
Please emphasis see Fig. 1, constituting in one end of aforementioned oil inlet pipe 1 has one for fuel-displaced with the transformator of oil-filled transformer The oil inlet pipe adapting flange 11 that connects of mouth, and the other end of oil inlet pipe 1 is closed, the side of the middle part of oil inlet pipe 1 towards under with dissipate Backing oil suction chamber 37 is communicated.
Preferably, the side at the middle part of aforementioned oil inlet pipe 1 towards on is fixed with radiator hanger 12, and in oil inlet pipe 1 is provided with an air bleeder screw plug 13 towards upper side.
Constituting in one end of aforementioned oil return pipe 2 has an oil return for connecting with the transformator oil-in of oil-filled transformer Pipe adapting flange 21, and the other end of oil return pipe 2 is closed, the middle part of oil return pipe 2 is returned towards upper side with aforesaid fin Oil pocket 35 is communicated(Purge cock can be set on oil return pipe 2).It follows that aforesaid oil duct unit 34 enter positioned at fin, Between oil back chamber 37,35, i.e., positioned at fin 3 short transverse central region.
Preferably, it is each provided with fin connection reinforcement rib 36 in the both sides of aforesaid one group of fin 3.
In sum, the technical scheme that the present invention is provided compensate for the shortcoming in prior art, favorably accomplish invention Task, has faithfully cashed the technique effect referred in the superincumbent technique effect hurdle of applicant.

Claims (10)

1. a kind of non-homogeneous oil duct gilled radiator, an including oil inlet pipe (1), an oil return pipe (2) and one group are both longitudinally of one another It is parallel again spaced reciprocally be connected between oil inlet pipe (1) and oil return pipe (2) for will be by the high temperature oil of oil inlet pipe (1) introducing Return after liquid radiating and cause the fin (3) of oil return pipe (2), one group of fin (3) is each by scattered after radiate before one plate (31) and one Hot plate piece (32) is constituted, and front radiating plate (31) and rear radiating plate (32) face each other and coordinate and in surrounding edge Position is integrated by fin limit welding bead (33) mutually solid welding, and constituting between front radiating plate (31) and rear radiating plate (32) has A plurality of oil duct units (34), each oil duct unit (34) has plural bar oil duct (341), and each two adjacent oil duct unit (34) separated by oil duct cell isolation welding bead (342) between, front plate (31) and the area on the top of rear radiating plate (32) of radiating Domain is configured to fin oil suction chamber (37), and the region of bottom is configured to fin oil back chamber (35), described oil duct (341) Top communicates with fin oil suction chamber (37) and bottom communicates with the fin oil back chamber (35), it is characterised in that in described oil In road unit (34), it is positioned at the cross-sectional area of the oil duct (341) of each oil duct unit (34) of both sides and is located at centre The cross-sectional area of the oil duct (341) of oil duct unit (34) is different, and is located at the oil duct of each oil duct unit (34) of both sides (341) cross-sectional area is mutually the same.
2. non-homogeneous oil duct gilled radiator according to claim 1, it is characterised in that described positioned at each the one of both sides The cross-sectional area of the oil duct (341) of individual oil duct unit (34) is than the described oil duct (341) positioned at middle oil duct unit (34) Cross-sectional area it is big.
3. non-homogeneous oil duct gilled radiator according to claim 1 and 2, it is characterised in that described positioned at each of both sides The cross-sectional area of the oil duct (341) of one oil duct unit (34) is the described oil duct positioned at middle oil duct unit (34) (341) 1.52 times of cross-sectional area.
4. non-homogeneous oil duct gilled radiator according to claim 3, it is characterised in that each positioned at both sides The quantity of the quantity of the oil duct (341) of oil duct unit (34) and the oil duct positioned at middle oil duct unit (34) is identical 's.
5. non-homogeneous oil duct gilled radiator according to claim 4, it is characterised in that each positioned at both sides The quantity of the oil duct (341) of oil duct unit (34) and the oil duct (341) positioned at middle oil duct unit (34) is respectively three It is individual, between four or five, and each two adjacent oil duct (341) passage (3411) insertion is narrowed by oil duct.
6. non-homogeneous oil duct gilled radiator according to claim 1, it is characterised in that in one end of the oil inlet pipe (1) Constituting has an oil inlet pipe adapting flange (11) for connecting with the transformator oil-out of oil-filled transformer, and oil inlet pipe (1) Other end closing, the side of the middle part of oil inlet pipe (1) towards under communicates with fin oil suction chamber (37).
7. the non-homogeneous oil duct gilled radiator according to claim 1 or 6, it is characterised in that in the oil inlet pipe (1) Middle part is fixed with radiator hanger (12) towards upper side.
8. non-homogeneous oil duct gilled radiator according to claim 7, it is characterised in that in the oil inlet pipe (1) towards upper Side be provided with an air bleeder screw plug (13).
9. non-homogeneous oil duct gilled radiator according to claim 1, it is characterised in that in one end of the oil return pipe (2) Constituting has an oil return pipe adapting flange (21) for connecting with the transformator oil-in of oil-filled transformer, and oil return pipe (2) The other end closing, the middle part of oil return pipe (2) communicates towards upper side with described fin oil back chamber (35).
10. non-homogeneous oil duct gilled radiator according to claim 1, it is characterised in that in one group of described fin (3) both sides are each provided with fin connection reinforcement rib (36).
CN201710127494.3A 2017-03-06 2017-03-06 Non-uniform oil duct sheet type radiator Pending CN106683830A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710127494.3A CN106683830A (en) 2017-03-06 2017-03-06 Non-uniform oil duct sheet type radiator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710127494.3A CN106683830A (en) 2017-03-06 2017-03-06 Non-uniform oil duct sheet type radiator

Publications (1)

Publication Number Publication Date
CN106683830A true CN106683830A (en) 2017-05-17

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Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113638942A (en) * 2021-08-24 2021-11-12 徐州徐工挖掘机械有限公司 Hydraulic oil radiator for eliminating medium eddy

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0468297A (en) * 1990-07-09 1992-03-04 Showa Alum Corp Heat exchanger
JP2009068742A (en) * 2007-09-12 2009-04-02 Sharp Corp Heat exchanger
CN202996502U (en) * 2012-12-18 2013-06-12 湖北新晟变压器有限公司 Radiator for transformer
CN203423028U (en) * 2013-09-06 2014-02-05 常熟市友邦散热器有限责任公司 Stainless steel plate type radiator for oil-immersed transformer
CN104380026A (en) * 2012-06-13 2015-02-25 株式会社Uacj Heat transfer pipe for fin-and-tube type heat exchanger, and fin-and-tube type heat exchanger
CN206480469U (en) * 2017-03-06 2017-09-08 常熟市友邦散热器有限责任公司 Non-homogeneous oil duct gilled radiator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0468297A (en) * 1990-07-09 1992-03-04 Showa Alum Corp Heat exchanger
JP2009068742A (en) * 2007-09-12 2009-04-02 Sharp Corp Heat exchanger
CN104380026A (en) * 2012-06-13 2015-02-25 株式会社Uacj Heat transfer pipe for fin-and-tube type heat exchanger, and fin-and-tube type heat exchanger
CN202996502U (en) * 2012-12-18 2013-06-12 湖北新晟变压器有限公司 Radiator for transformer
CN203423028U (en) * 2013-09-06 2014-02-05 常熟市友邦散热器有限责任公司 Stainless steel plate type radiator for oil-immersed transformer
CN206480469U (en) * 2017-03-06 2017-09-08 常熟市友邦散热器有限责任公司 Non-homogeneous oil duct gilled radiator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113638942A (en) * 2021-08-24 2021-11-12 徐州徐工挖掘机械有限公司 Hydraulic oil radiator for eliminating medium eddy

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