CN110283645A - A kind of locomotive gear fluid composition - Google Patents
A kind of locomotive gear fluid composition Download PDFInfo
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- CN110283645A CN110283645A CN201910509862.XA CN201910509862A CN110283645A CN 110283645 A CN110283645 A CN 110283645A CN 201910509862 A CN201910509862 A CN 201910509862A CN 110283645 A CN110283645 A CN 110283645A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
- C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
- C10M2209/084—Acrylate; Methacrylate
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
- C10M2219/106—Thiadiazoles
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/047—Thioderivatives not containing metallic elements
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/06—Organic compounds derived from inorganic acids or metal salts
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/04—Detergent property or dispersant property
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The invention discloses a kind of locomotive gear fluid composition, the component including following weight percentage: base oil 70%~80%；Complexing agent 10~15%；Viscosity index improver 7.5%~11.5%；Extreme pressure anti-wear additives 0.3%~0.7%；Antirust agent 1.5%~2.5%；Pour-point depressant 0.8~1.2%；Anti-foaming agent 0.04~0.05%.The locomotive gear fluid composition not only has the performance characteristics of ordinary gear oil, but also is able to satisfy the particular/special requirement of railway locomotive traction gearbox.Locomotive gear fluid composition of the invention not only has the performance of the general gear oil such as good viscous warm nature, resistance to emulsion, anti-foaming property, antirust, anti-corrosive corrosion, extreme-pressure wear-resistant, and bearing capacity is high, it is able to satisfy lubricating requirement when railway locomotive traction power increases, overlength oil drain interval with 60Wkm can effectively extend service life and the drain period of railway locomotive traction gearbox.
Description
Technical field
The invention belongs to technical field of lubricating oil, and in particular to a kind of locomotive gear fluid composition.
Background technique
Requirement with the continuous improvement of railway locomotive quantity being continuously increased with locomotive running speed, to gear oil
It is promoted therewith.85% or more railway locomotive technical failure derives from the premature abrasion of work components, this will directly be threatened
The safe operation of railway locomotive.Therefore, the lubrication problem of railway locomotive seems most important.High performance lubriation material is selected
Reduce friction and wear, it is ensured that the normal operation of railway locomotive components prolongs the service life, and is the safety fortune of railway locomotive
Row provides safeguard.
Compared with common vehicle gear train assembly, the operation of railway locomotive traction gearbox is unique: 1. railway
Locomotive wheel speed ratio is big, and during operation, bearing is rapidly heated because spinning up, if pinion gear supply capability is insufficient, axis
It holds end-play to be easy to reduce because of bearing heating, causes the rubbing surface of inner ring large-flange face and roller end face that oil film occurs broken
It splits；2. railway locomotive generally requires to run in the broad regions across north and south or thing, it is desirable that in cold zone and high temperature ring
Good performance is all kept under border, cold-starting is difficult caused by avoiding because of insufficient lubrication, while avoiding that sludge, knot occur when high temperature
Film phenomenon.Therefore, there is an urgent need to the dedicated gear oils of a railway locomotive, to there is sufficient extreme pressure and antiwear behavior, good oxygen
Change stability, viscous temperature stability, resistance to emulsion and anti-foaming ability, to meet unique operating condition of railway locomotive traction gearbox.
Summary of the invention
Railway locomotive traction gearbox transmitting power is big, and peripheral speed is high, and gear capacity requires high, it is desirable that in cold
Good performance is kept under area and hot environment.Therefore, in order to adapt to the operating condition of railway locomotive traction gear, the present invention is provided
A kind of locomotive gear fluid composition, this lubricant oil composite aim at overlength drain period R & D design, have good extreme pressure property
Energy, antifraying property, high temperature detergent performance, Oxidation Stability and energy-saving friction-reducing performance, shear stability, viscous temperature stability
Deng, be suitable for high speed, heavy duty, vibration with impact and external environment (such as temperature) variation heavy duty transmission system.
Technical scheme is as follows:
The present invention provides a kind of locomotive gear fluid composition, the component including following weight percentage:
Base oil: 70~80%；
Complexing agent: 10~15%；
Viscosity index improver: 7.5%~11.5%；
Extreme pressure anti-wear additives: 2.0%~3.0%；
Pour-point depressant: 0.8~1.2%；
Anti-foaming agent: 0.04~0.05%.
In the present invention, the complexing agent is that chain alkyl amine, alkyl phosphate, the thio thiadiazoles of alkyl two and alkoxy are long
Chain alcohol mebor.
It is further preferred that the chain alkyl amine accounts for the 11%~54% of the complexing agent, the alkyl phosphate is accounted for
The 10%~49% of the complexing agent, the thio thiadiazoles of the alkyl two account for the 10%~49% of the complexing agent, the alcoxyl
Base long-chain alcohol boric acid accounts for the 10%~49% of the complexing agent.
Preferably, the base oil is synthetic oil.
It is further preferred that the extreme pressure anti-wear additives are phosphordithiic acid salt derivative.
It is further preferred that the viscosity index improver is olefin copolymer.
It is further preferred that the pour-point depressant is acrylate polymers solution.
It is further preferred that the anti-foaming agent is non-organic silicon polymer.
Compared with the prior art, the advantages of the present invention are as follows:
The oil drain interval of locomotive gear fluid composition is up to 60Wkm, and comprehensive performance is integrally promoted, and has good glutinous temperature
Property, oxidation stability, extreme pressure property, wearability, resistance to load, corrosion resistance, rust-preventing characteristic, storage stability, synchronous durability and
Sealing material compatibility, ensure that gear of vehicle mechanism under severe conditions has enough oil film thicknesses, reduce the flank of tooth it
Between coefficient of friction, improve the transmission efficiency of gear mechanism, effectively extend the service life of gear of vehicle transmission system
And the oil draining period.Formula maintains the balance of performance, according to the actual working conditions of vehicle, in the premise for not reducing other performances
Under, oil product bearing capacity is properly increased, is the railway locomotive gear oil of a excellent combination property.
Detailed description of the invention
Fig. 1 is L-37 lubricant oil composite 1-1 bearing capacity test wear of gears situation map
Fig. 2 is L-37 locomotive gear fluid composition bearing capacity test wear of gears situation map
Specific embodiment
The present invention provides a kind of locomotive gear fluid composition, the component including following weight percentage:
Base oil: 70~80%；
Complexing agent: 10~15%；
Viscosity index improver: 7.5%~11.5%；
Extreme pressure anti-wear additives: 2.0%~3.0%；
Pour-point depressant: 0.8~1.2%；
Anti-foaming agent: 0.04~0.05%./
In the present invention, with the total weight of locomotive gear fluid composition, base oil accounts for 70%~80%, preferably 73%~
78%, more preferably 74%~76%.Base oil of the invention refers to the basestocks or basestocks concoction of lubricant oil composite,
It produces (independent of feed source or the place of manufacturer) according to same size by single manufacturer；Meet same manufacturer
Specification；And by being uniquely formulated, product ID or the two identified.In the present invention, base oil can be synthetic oil
One or more of mixture.The present invention does not have particular/special requirement to the source of base oil and type, can be any current
It is known or find later for just it is any and it is all such be applied to prepare lubricant oil composite base oils, such as be applied to send out
Motivation oil, marine cylinder oil, functional liquid such as hydraulic oil, gear oil, transmission oil etc..Those skilled in the art can pass through routine techniques
Proper amount of base oil disclosed by the invention and traditional lubrication oil additive is set to be mixed with locomotive gear oil combination of the invention
Object.
In the present invention, with the total weight of locomotive gear fluid composition, contain complexing agent 10%~15%, preferably 11%
~14%, more preferably 12%~13%.In the present invention, complexing agent is chain alkyl amine, alkyl phosphate, the thio thiophene of alkyl two
Diazole and alkoxy long-chain alcohol mebor, the chain alkyl amine account for the 11%~54% of the complexing agent, the alkyl
Phosphate accounts for the 10%~49% of the complexing agent, and the thio thiadiazoles of the alkyl two accounts for the 10%~49% of the complexing agent,
The alkoxy long-chain alcohol boric acid accounts for the 10%~49% of the complexing agent.The complexing agent be used for improve lubricating oil antioxygen,
Wear-resistant, anti scuffing and the compatible performance of sealing element；Compared to traditional automotive gear oil complexing agent in antioxygen property, wear-resistant, anti scuffing
Performance has superior performance, and superiority is proved by overlength mileage road performance test.
In the present invention, with the total weight of locomotive gear fluid composition, containing viscosity index improver 7.5%~
11.5%, preferably 8%~10%, further preferably 9.5%.Viscosity index improver is used to improve the viscosity of oil product, glues
Spend index and viscosity temperature characteristic.Those skilled in the art can according to the specific type of viscosity index improver within the above range into
Row selection addition.The present invention is not particularly limited the source of viscosity index improver, commercial goods.Of the invention specific
In embodiment, preferred viscosities index improver is olefin copolymer.
In the present invention, with the total weight of locomotive gear fluid composition, containing extreme pressure anti-wear additives 2.0%~3.0%, preferably
It is 2.2%~2.8%, further preferably 2.4%~2.6%.In the present invention, extreme pressure anti-wear additives are derivative for dithiophosphates
Object reduces abrasion and prevents seizing, can generate sufficiently thick plane SH wave for improving the extreme pressure and antiwear behavior of lubricating oil
Film carrys out the blank space of fluid replacement power film, prevents the contact of rough surface, compared to traditional extreme pressure anti-wear additives, will not reduce
Oil ageing stability and do not increase and lubricating oil contact corrosivity.
In the present invention, with the total weight of locomotive gear fluid composition, containing pour-point depressant 0.8%~1.2%, preferably
0.9%~1.1%, further preferably 1.0%.Pour-point depressant changes shape, the size sum number of wax crystallization by eutectic or absorption
Amount inhibits lubricating oil to form crystal mesh, keeps oil product flowing.Those skilled in the art can be according to the specific type of pour-point depressant upper
It states and carries out selection addition in range.The present invention is not particularly limited the source of pour-point depressant, commercial goods.Have in the present invention
In body embodiment, preferably pour-point depressant is acrylate polymers solution, and wherein acrylate copolymer concentration is 40%~70%.
In the present invention, with the total weight of locomotive gear fluid composition, containing anti-foaming agent 0.04%~0.05%, preferably
0.043%~0.047%.Anti-foaming agent can reduce the local surface tension of lubricant, be adsorbed on gas as a kind of surfactant
Bubble surface or intrusion bubble are to be directed at lather collapse.The present invention is not particularly limited the source of anti-foaming agent, and commercial goods are
It can.In the specific embodiment of the invention, preferably anti-foaming agent has silicon type no-silicon type double solvents, such as 1# composite anti-foam agent.
The preparation method of locomotive gear fluid composition of the present invention is using the customary preparation methods in this field.In this hair
In bright specific embodiment, preferably component described in above scheme is mixed, the mixture for obtaining transparent uniform state is this
The locomotive gear fluid composition of invention.
Below in conjunction with the embodiment of the present invention, technical solution of the present invention is clearly and completely described, it is clear that
Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The scope of protection of the invention.
Unless otherwise specified, following components raw material is used in following embodiments, but is not to the scope of the present invention
Limitation.
Base oil: Exxon Mobil SHF-1003, NacoFlow V600, modern times 150N, alkylnaphthalene AN5；
Complexing agent: Afton355；
Viscosity index improver: Afton3301；
Extreme pressure anti-wear additives: Staradd EP152；
Pour-point depressant: VISCOPLEX 1-330；
Anti-foaming agent: 1# composite anti-foam agent.
Embodiment 1
7.356kg base oil, 1.344kg complexing agent, 0.1kg concentration is molten for 40%~70% acrylate polymers
Liquid, 0.95kg olefin copolymer, 0.25kg phosphordithiic acid salt derivative and 4.5mL1# composite anti-foam agent, which sequentially add stirring, to be held
It is stirred 45 minutes in device, sampling observation, fully transparent is a kind of locomotive gear fluid composition.
Embodiment 2
7.43kg base oil, 1.32kg complexing agent, 0.15kg concentration is molten for 40%~70% acrylate polymers
Liquid, 0.9kg olefin copolymer, 0.2kg phosphordithiic acid salt derivative and 5mL 1# composite anti-foam agent sequentially add stirring container
Middle stirring 45 minutes, sampling observation, fully transparent is a kind of locomotive gear fluid composition.
Embodiment 3
7.62kg base oil, 1.15kg complexing agent, 0.08kg concentration is molten for 40%~70% acrylate polymers
Liquid, 0.85kg olefin copolymer, 0.3kg phosphordithiic acid salt derivative and 4.5mL 1# composite anti-foam agent, which sequentially add stirring, to be held
It is stirred 45 minutes in device, sampling observation, fully transparent is a kind of locomotive gear fluid composition.
Wherein, in complexing agent contain 11%~54% chain alkyl amine, 10%~49% alkyl phosphate, 10%~49%
The thio thiadiazoles of alkyl two, 10%~49% alkoxy long-chain alcohol boric acid, remaining is mineral oil.
Comparative example 1-1
Complexing agent is replaced with other complexing agents in the formula of embodiment 1, does not contain phosphordithiic acid salt derivative, two is thio
The adding proportion of phosphate derivative increases in base oil, remaining component and ratio are same as Example 1, and preparation forms lubrication
Fluid composition 1-1.
Wherein, in other complexing agents contain olefin(e) acid sulfide 60%~69.9%, phosphate/amine salt 10%~19.9%,
Alkenyl amine 5%~9.9%.Fig. 1 is L-37 lubricant oil composite 1-1 bearing capacity test wear of gears situation map, and Fig. 2 is L-
37 locomotive gear fluid composition bearing capacitys test wear of gears situation map, compared with comparative example 1-1, the embodiment of the present invention 1
Locomotive gear fluid composition after bearing capacity test, gear is almost without wearing, but the sample gear of comparative example 1-1
There is obvious scratch on surface, illustrates that complexing agent and extreme pressure anti-wear additives in embodiment 1 can solve gear wear problem, increases carrying
Ability.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (9)
1. a kind of locomotive gear fluid composition, which is characterized in that the component including following weight percentage:
Base oil: 70~80%；
Complexing agent: 10~15%；
Viscosity index improver: 7.5%~11.5%；
Extreme pressure anti-wear additives: 2.0%~3.0%；
Pour-point depressant: 0.8~1.2%；
Anti-foaming agent: 0.04~0.05%.
2. locomotive gear fluid composition according to claim 1, which is characterized in that the base oil is synthetic oil.
3. locomotive gear fluid composition according to claim 1, which is characterized in that the complexing agent be chain alkyl amine,
Alkyl phosphate, the thio thiadiazoles of alkyl two and alkoxy long-chain alcohol mebor.
4. locomotive gear fluid composition according to claim 3, which is characterized in that the chain alkyl amine accounts for described compound
The 11%~54% of agent, the alkyl phosphate account for the 10%~49% of the complexing agent, and the thio thiadiazoles of the alkyl two accounts for
The 10%~49% of the complexing agent, the alkoxy long-chain alcohol boric acid account for the 10%~49% of the complexing agent.
5. locomotive gear fluid composition according to claim 1, which is characterized in that the viscosity index improver is alkene
Copolymer.
6. locomotive gear fluid composition according to claim 1, which is characterized in that the extreme pressure anti-wear additives are two thio phosphorus
Acid salt derivant.
7. locomotive gear fluid composition according to claim 1, which is characterized in that the pour-point depressant is poly- for acrylate height
Object solution.
8. locomotive gear fluid composition according to claim 7, which is characterized in that in the acrylate polymers solution
Acrylate copolymer concentration is 40%~70%.
9. locomotive gear fluid composition according to claim 1, which is characterized in that the anti-foaming agent is non-organic silicon polymerization
Object.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110846108A (en) * | 2019-11-14 | 2020-02-28 | 安徽金德润滑科技有限公司 | Road vehicle gear oil and preparation method thereof |
| CN112592754A (en) * | 2020-12-14 | 2021-04-02 | 统一石油化工有限公司 | Long-life natural gas engine oil composition |
| CN112662457A (en) * | 2020-12-24 | 2021-04-16 | 统一石油化工有限公司 | Gas turbine lubricating oil composition for ships |
| CN116083147A (en) * | 2023-01-09 | 2023-05-09 | 统一石油化工有限公司 | Emission-reducing low-carbon industrial gear oil composition |
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| CN112662457A (en) * | 2020-12-24 | 2021-04-16 | 统一石油化工有限公司 | Gas turbine lubricating oil composition for ships |
| CN116083147A (en) * | 2023-01-09 | 2023-05-09 | 统一石油化工有限公司 | Emission-reducing low-carbon industrial gear oil composition |
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