CN107353977A - 一种工程机械用抗磨液压油及其制备方法 - Google Patents

一种工程机械用抗磨液压油及其制备方法 Download PDF

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CN107353977A
CN107353977A CN201710609821.9A CN201710609821A CN107353977A CN 107353977 A CN107353977 A CN 107353977A CN 201710609821 A CN201710609821 A CN 201710609821A CN 107353977 A CN107353977 A CN 107353977A
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孔令翠
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Hefei Ou Shijia Electromechanical Equipment Co Ltd
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Abstract

本发明公开了一种工程机械用抗磨液压油,包括如下重量配比的组分:基础油60‑80份、磷酸锌盐30‑40份、季戊四醇四异辛酸酯20‑30份、磷酸三甲酚脂15‑35份、环氧大豆油10‑30份、甲基硅油10‑20份、聚甲基丙烯酸酯5‑15份、苯并三氮唑3‑8份、乙丙共聚物2‑8份、聚异丁烯5‑10份、丁基二苯胺5‑15份、抗磨极压剂8‑15份、降凝剂3‑8份和抗氧剂1‑5份。本发明的工程机械用抗磨液压油具有良好的抗耐磨性、润湿性能、氧化稳定性能,延长了液压油和液压元件的使用寿命,有效提高了工程机械的工作效率,同时制备方法简单易行,制作成本低廉,具有较好的应用前景。

Description

一种工程机械用抗磨液压油及其制备方法
技术领域
本发明涉及液压技术领域,具体涉及一种工程机械用抗磨液压油及其制备方法。
背景技术
液压油是液压技术的一个重要组成部分,在液压系统中它能起到能量传递、系统润滑、防腐、防锈、冷却等作用。随着液压系统技术的不断发展,精密元件的应用越来越广泛,如精密过滤器等,为确保精密仪器的顺利工作,因而液压系统用油的质量要求也逐渐提高。要求液压油应该具有良好的粘温性、抗磨性、水解安定性,以及相关材料的适应性、过滤性,特别是热稳定性和氧化安定性要好,以确保液压油在使用过程中有很好的清洁度,以满足日益更新的液压系统用油要求。
抗磨液压油可以分为有灰型和无锌型。有灰型抗磨液压油具有很好的抗磨性,能满足叶片泵的使用要求。但当用于柱赛泵时,有灰型抗磨液压油会对柱塞泵的铜部件造成腐蚀,从而导致柱塞脚磨损、斜盘破裂。此外,由于有灰型的热稳定性差,在高压液系统操作失灵。无锌抗磨液压油在水解安定性、破乳化性,过滤性、热稳定性和氧化安定性方面优于含锌抗磨液压油。
随着工程机械的发展和大范围的使用,以及人类对环境恶劣地区的开发,液压系统将面临更多的来自工作环境的考验,因此液压系统对液压油的要求越来越高,现用液压油并不能完全满足工程机械对液压的需求,因此需要开发一种综合性能较高、价格合理的抗磨液压油,使其具有良好的润湿性能和氧化安定性能,延长液压油和液压元件使用寿命;同时减少换油次数,提高工程机械的工作效率,达到节能环保的目的。
发明内容
本发明的目的在于克服上述现有技术的不足,提出一种工程机械用抗磨液压油及其制备方法,该制备方法简单易行,制作成本低廉,制备的液压油具有良好的抗耐磨性、润湿性能、氧化稳定性能,延长了液压油和液压元件的使用寿命,有效提高了工程机械的工作效率。
为了解决上述技术问题,本发明采用如下技术方案:
一种工程机械用抗磨液压油,包括如下重量配比的组分:基础油60-80份、磷酸锌盐30-40份、季戊四醇四异辛酸酯20-30份、磷酸三甲酚脂15-35份、环氧大豆油10-30份、甲基硅油10-20份、聚甲基丙烯酸酯5-15份、苯并三氮唑3-8份、乙丙共聚物2-8份、聚异丁烯5-10份、丁基二苯胺5-15份、抗磨极压剂8-15份、降凝剂3-8份和抗氧剂1-5份。
优选的,所述基础油70份、磷酸锌盐35份、季戊四醇四异辛酸酯25份、磷酸三甲酚脂20份、环氧大豆油20份、甲基硅油15份、聚甲基丙烯酸酯10份、苯并三氮唑5.5份、乙丙共聚物5份、聚异丁烯7.5份、丁基二苯胺10份、抗磨极压剂12份、降凝剂5.5份和抗氧剂3份。
优选的,所述基础油按重量份计包括以下组分:邻苯二甲酸二辛酯30-40份、季戊四醇异十八酸酯10-20份、150N加氢基础油10-30份和500N加氢基础油5-15份。
优选的,所述硫磷锌盐为硫磷丁辛基锌盐、硫磷伯仲醇基锌盐、硫磷双辛基碱性锌盐、硫磷仲醇基锌盐中的任意一种。
优选的,所述抗磨极压剂为三苯基硫代磷酸酯。
优选的,所述降凝剂为聚合α-烯烃降凝剂。
优选的,所述抗氧剂为受阻酚类抗氧剂。
一种工程机械用抗磨液压油的制备方法,包括以下步骤:
(1)按照重量份数计,分别称取基础油、磷酸锌盐、季戊四醇四异辛酸酯、磷酸三甲酚脂、环氧大豆油、甲基硅油、聚甲基丙烯酸酯进行混合,加热搅拌,在40-60℃下混合均匀得混合油A;
(2)向步骤(1)制得的混合油A中加入上述苯并三氮唑、乙丙共聚物、聚异丁烯、丁基二苯胺、抗磨极压剂、降凝剂和抗氧剂,在60-80℃条件下继续搅拌2-3h,制得混合油B;
(3)将步骤(2)制得的混合油B在0.2-0.3MPa压力下进行过滤,即得工程机械用抗磨液压油。
优选的,所述步骤(1)中混合均匀条件:以200-300r/min转速搅拌40-60min。
与现有技术相比,本发明具有如下的有益效果:本发明的工程机械用抗磨液压油具有良好的抗耐磨性、润湿性能、氧化稳定性能,延长了液压油和液压元件的使用寿命,有效提高了工程机械的工作效率,同时制备方法简单易行,制作成本低廉,具体情况如下:
(1)本发明的工程机械用抗磨液压油以邻苯二甲酸二辛酯、季戊四醇异十八酸酯、150N加氢基础油、500N加氢基础油构成基础油,再加入适宜的添加剂,并通过选定适宜的配比,由此构成具有良好的耐高温、抗氧化、抗耐磨的液压油,能够满足行业的要求,具有较好的应用前景;
(2)本发明中使用的抗磨极压剂活性高、腐蚀性低、抗磨性能优异、对金属腐蚀性较小;
(3)本发明的液压油复合添加剂的加剂量少,具有良好的抗磨性能,降低了生产成本,具有较高的性价比。
具体实施方式
下面结合具体实施例,进一步阐述本发明。这些实施例仅用于说明本发明而不用于限制本发明的范围。
实施例1
一种工程机械用抗磨液压油,包括如下重量配比的组分:基础油70份、磷酸锌盐35份、季戊四醇四异辛酸酯25份、磷酸三甲酚脂20份、环氧大豆油20份、甲基硅油15份、聚甲基丙烯酸酯10份、苯并三氮唑5.5份、乙丙共聚物5份、聚异丁烯7.5份、丁基二苯胺10份、抗磨极压剂12份、降凝剂5.5份和抗氧剂3份。
其中,所述基础油按重量份计包括以下组分:邻苯二甲酸二辛酯35份、季戊四醇异十八酸酯15份、150N加氢基础油20份和500N加氢基础油10份。
其中,所述硫磷锌盐为硫磷丁辛基锌盐、硫磷伯仲醇基锌盐、硫磷双辛基碱性锌盐、硫磷仲醇基锌盐中的任意一种。
其中,所述抗磨极压剂为三苯基硫代磷酸酯。
其中,所述降凝剂为聚合α-烯烃降凝剂。
其中,所述抗氧剂为受阻酚类抗氧剂。
一种工程机械用抗磨液压油的制备方法,包括以下步骤:
(1)按照重量份数计,分别称取基础油、磷酸锌盐、季戊四醇四异辛酸酯、磷酸三甲酚脂、环氧大豆油、甲基硅油、聚甲基丙烯酸酯进行混合,加热搅拌,在50℃下混合均匀得混合油A;
(2)向步骤(1)制得的混合油A中加入上述苯并三氮唑、乙丙共聚物、聚异丁烯、丁基二苯胺、抗磨极压剂、降凝剂和抗氧剂,在70℃条件下继续搅拌2.5h,制得混合油B;
(3)将步骤(2)制得的混合油B在0.25MPa压力下进行过滤,即得工程机械用抗磨液压油。
其中,所述步骤(1)中混合均匀条件:以250r/min转速搅拌50min。
实施例2
一种工程机械用抗磨液压油,包括如下重量配比的组分:基础油60份、磷酸锌盐30份、季戊四醇四异辛酸酯20份、磷酸三甲酚脂15份、环氧大豆油10份、甲基硅油10份、聚甲基丙烯酸酯5份、苯并三氮唑3份、乙丙共聚物2份、聚异丁烯5份、丁基二苯胺5份、抗磨极压剂8份、降凝剂3份和抗氧剂1份。
其中,所述基础油按重量份计包括以下组分:邻苯二甲酸二辛酯30份、季戊四醇异十八酸酯10份、150N加氢基础油10份和500N加氢基础油5份。
其中,所述硫磷锌盐为硫磷丁辛基锌盐、硫磷伯仲醇基锌盐、硫磷双辛基碱性锌盐、硫磷仲醇基锌盐中的任意一种。
其中,所述抗磨极压剂为三苯基硫代磷酸酯。
其中,所述降凝剂为聚合α-烯烃降凝剂。
其中,所述抗氧剂为受阻酚类抗氧剂。
一种工程机械用抗磨液压油的制备方法,包括以下步骤:
(1)按照重量份数计,分别称取基础油、磷酸锌盐、季戊四醇四异辛酸酯、磷酸三甲酚脂、环氧大豆油、甲基硅油、聚甲基丙烯酸酯进行混合,加热搅拌,在40℃下混合均匀得混合油A;
(2)向步骤(1)制得的混合油A中加入上述苯并三氮唑、乙丙共聚物、聚异丁烯、丁基二苯胺、抗磨极压剂、降凝剂和抗氧剂,在60℃条件下继续搅拌2h,制得混合油B;
(3)将步骤(2)制得的混合油B在0.2MPa压力下进行过滤,即得工程机械用抗磨液压油。
其中,所述步骤(1)中混合均匀条件:以200r/min转速搅拌40min。
实施例3
一种工程机械用抗磨液压油,包括如下重量配比的组分:基础油80份、磷酸锌盐40份、季戊四醇四异辛酸酯30份、磷酸三甲酚脂35份、环氧大豆油30份、甲基硅油20份、聚甲基丙烯酸酯15份、苯并三氮唑8份、乙丙共聚物8份、聚异丁烯10份、丁基二苯胺15份、抗磨极压剂15份、降凝剂8份和抗氧剂5份。
其中,所述基础油按重量份计包括以下组分:邻苯二甲酸二辛酯40份、季戊四醇异十八酸酯20份、150N加氢基础油30份和500N加氢基础油15份。
其中,所述硫磷锌盐为硫磷丁辛基锌盐、硫磷伯仲醇基锌盐、硫磷双辛基碱性锌盐、硫磷仲醇基锌盐中的任意一种。
其中,所述抗磨极压剂为三苯基硫代磷酸酯。
其中,所述降凝剂为聚合α-烯烃降凝剂。
其中,所述抗氧剂为受阻酚类抗氧剂。
一种工程机械用抗磨液压油的制备方法,包括以下步骤:
(1)按照重量份数计,分别称取基础油、磷酸锌盐、季戊四醇四异辛酸酯、磷酸三甲酚脂、环氧大豆油、甲基硅油、聚甲基丙烯酸酯进行混合,加热搅拌,在60℃下混合均匀得混合油A;
(2)向步骤(1)制得的混合油A中加入上述苯并三氮唑、乙丙共聚物、聚异丁烯、丁基二苯胺、抗磨极压剂、降凝剂和抗氧剂,在80℃条件下继续搅拌3h,制得混合油B;
(3)将步骤(2)制得的混合油B在0.3MPa压力下进行过滤,即得工程机械用抗磨液压油。
其中,所述步骤(1)中混合均匀条件:以300r/min转速搅拌60min。
以上所述仅是本发明的优选实施方式,本发明的保护范围并不仅局限于上述实施例,凡属于本发明思路下的技术方案均属于本发明的保护范围。应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理前提下的若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。

Claims (9)

1.一种工程机械用抗磨液压油,其特征在于,包括如下重量配比的组分:基础油60-80份、磷酸锌盐30-40份、季戊四醇四异辛酸酯20-30份、磷酸三甲酚脂15-35份、环氧大豆油10-30份、甲基硅油10-20份、聚甲基丙烯酸酯5-15份、苯并三氮唑3-8份、乙丙共聚物2-8份、聚异丁烯5-10份、丁基二苯胺5-15份、抗磨极压剂8-15份、降凝剂3-8份和抗氧剂1-5份。
2.根据权利要求1所述的工程机械用抗磨液压油,其特征在于,所述基础油70份、磷酸锌盐35份、季戊四醇四异辛酸酯25份、磷酸三甲酚脂20份、环氧大豆油20份、甲基硅油15份、聚甲基丙烯酸酯10份、苯并三氮唑5.5份、乙丙共聚物5份、聚异丁烯7.5份、丁基二苯胺10份、抗磨极压剂12份、降凝剂5.5份和抗氧剂3份。
3.根据权利要求1所述的工程机械用抗磨液压油,其特征在于,所述基础油按重量份计包括以下组分:邻苯二甲酸二辛酯30-40份、季戊四醇异十八酸酯10-20份、150N加氢基础油10-30份和500N加氢基础油5-15份。
4.根据权利要求1所述的工程机械用抗磨液压油,其特征在于,所述硫磷锌盐为硫磷丁辛基锌盐、硫磷伯仲醇基锌盐、硫磷双辛基碱性锌盐、硫磷仲醇基锌盐中的任意一种。
5.根据权利要求1所述的工程机械用抗磨液压油,其特征在于,所述抗磨极压剂为三苯基硫代磷酸酯。
6.根据权利要求1所述的工程机械用抗磨液压油,其特征在于,所述降凝剂为聚合α-烯烃降凝剂。
7.根据权利要求1所述的工程机械用抗磨液压油,其特征在于,所述抗氧剂为受阻酚类抗氧剂。
8.一种根据权利要求1-7任一项所述的工程机械用抗磨液压油的制备方法,其特征在于,包括以下步骤:
(1)按照重量份数计,分别称取基础油、磷酸锌盐、季戊四醇四异辛酸酯、磷酸三甲酚脂、环氧大豆油、甲基硅油、聚甲基丙烯酸酯进行混合,加热搅拌,在40-60℃下混合均匀得混合油A;
(2)向步骤(1)制得的混合油A中加入上述苯并三氮唑、乙丙共聚物、聚异丁烯、丁基二苯胺、抗磨极压剂、降凝剂和抗氧剂,在60-80℃条件下继续搅拌2-3h,制得混合油B;
(3)将步骤(2)制得的混合油B在0.2-0.3MPa压力下进行过滤,即得工程机械用抗磨液压油。
9.根据权利要求8所述的工程机械用抗磨液压油的制备方法,其特征在于,所述步骤(1)中混合均匀条件:以200-300r/min转速搅拌40-60min。
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