CN110873123A - 一种耐久型精密轴承 - Google Patents
一种耐久型精密轴承 Download PDFInfo
- Publication number
- CN110873123A CN110873123A CN201911162338.6A CN201911162338A CN110873123A CN 110873123 A CN110873123 A CN 110873123A CN 201911162338 A CN201911162338 A CN 201911162338A CN 110873123 A CN110873123 A CN 110873123A
- Authority
- CN
- China
- Prior art keywords
- outer ring
- ring
- balls
- bearing
- inner ring
- 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
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
- F16C33/6607—Retaining the grease in or near the bearing
- F16C33/6614—Retaining the grease in or near the bearing in recesses or cavities provided in retainers, races or rolling 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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
- F16C33/6633—Grease properties or compositions, e.g. rheological properties
-
- 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/04—Elements
- C10M2201/041—Carbon; Graphite; Carbon black
-
- 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/087—Boron oxides, acids or salts
-
- 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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/102—Aliphatic fractions
- C10M2203/1025—Aliphatic fractions used as base material
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/127—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids polycarboxylic
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/128—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids containing hydroxy groups; Ethers thereof
- C10M2207/1285—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids containing hydroxy groups; Ethers thereof used as thickening agents
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/16—Naphthenic acids
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/287—Partial esters
- C10M2207/289—Partial esters containing free hydroxy groups
-
- 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
-
- 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
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
-
- 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
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
-
- 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
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/223—Five-membered rings containing nitrogen and carbon only
-
- 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
- C10M2219/06—Thio-acids; Thiocyanates; Derivatives thereof
- C10M2219/062—Thio-acids; Thiocyanates; Derivatives thereof having carbon-to-sulfur double bonds
- C10M2219/066—Thiocarbamic type compounds
- C10M2219/068—Thiocarbamate metal salts
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Rolling Contact Bearings (AREA)
Abstract
本发明涉及智能制造领域,具体公开了一种耐久型精密轴承,包括内环、第一外环、第二外环、第三外环、一组第一滚珠和一组第二滚珠;第一外环和第二外环分别固定于第三外环的两侧,三者共同组成外环;第一外环与内环之间均匀分布地设有一组第一滚珠,第二外环与内环之间均匀分布地设有一组第二滚珠;内环和外环在第一滚珠和第二滚珠共同的滚动支撑下可以相对旋转,共同构成双列球轴承。本发明所述的耐久型精密轴承,一方面通过对结构的优化,提高轴承脂的填充量同时提高轴承脂的利用效率;另一方面,通过对轴承脂的优化创新,提升了在长期使用过程中的耐久性和稳定性。
Description
技术领域
本发明涉及智能制造领域,具体公开了一种耐久型精密轴承。
背景技术
精密机床是制造机器的机器,被称为工业母机。轴承是精密机床中一种重要核心零部件。轴承的主要功能是支撑机械旋转体,降低其运动过程中的摩擦系数,并保证其回转精度。为了轴承的耐久性和回转精度,必须保证轴承润滑良好,通常的做法是使用轴承脂。在实际使用过程中,滚珠需要在轴承的滚轨内的循环滚动,引起内外环之间的空腔随滚珠滚动而发生周期性的剧烈变化,因此轴承脂很容易被挤向两侧,导致轴承脂的实际利用率很低。另一方面,现有的轴承脂在长期高负荷使用过程中的耐久性偏弱,在轴承脂利用不充分的情况下难以保护轴承平稳运行。
发明内容
发明目的:针对现有技术存在的不足,本发明提供一种耐久型精密轴承。
技术方案:为了达到上述目的,本发明提供一种耐久型精密轴承,包括内环、第一外环、第二外环、第三外环、一组第一滚珠和一组第二滚珠。所述第一外环和所述第二外环分别固定于所述第三外环的两侧,三者共同组成外环;所述第一外环与所述内环之间均匀分布地设有一组所述的第一滚珠,所述第二外环与所述内环之间均匀分布地设有一组所述的第二滚珠;所述第一滚珠和第二滚珠的均匀分布设置是使用常规的保持架实现的。所述第一滚珠和第二滚珠是被限制在滚轨内滚动的,所述内环上设有两道滚轨,所述第一外环和所述第二外环上分别设有与之对应的滚轨,所述第一滚珠和所述第二滚珠分别在所述两组滚轨内滚动。所述内环和所述外环在所述第一滚珠和所述第二滚珠的共同滚动支撑下可以相对旋转,共同构成双列球轴承。
进一步地,上述的耐久型精密轴承,所述第一滚珠和所述第二滚珠的在轴向上的位置相互错开,错开后两组滚珠之间的空腔的截面更大更均匀。
进一步地,上述的耐久型精密轴承,所述第三外环由硬质弹性材料制成,如硬质橡胶或质地偏软的金属材料,所述第一外环和所述第二外环通过一组螺栓贯穿固定于所述第三外环的两侧,所述第一外环和所述第二外环之间的距离可以通过所述螺栓进行微调,通过微调可以实现滚珠卡紧在内环和外环之间。
进一步地,上述的耐久型精密轴承,还包括分别设于所述内环和所述外环两侧的第一密封圈和第二密封圈,所述第一封圈卡设于所述内环和所述第一外环之间的缺口内,所述第二密封圈卡设于所述内环和所述第二外环之间的缺口内。
进一步地,上述的耐久型精密轴承,所述内环、所述外环、所述第一密封圈和所述第二密封圈共同形成的空腔内填充有轴承脂。由于该轴承的结构设计,所述空腔的截面较大且较均匀,可以填充较多的轴承脂,并且受到滚珠的挤压相对均匀轻微,因此能更长久地保留在空腔内的滚轨附近,从而有效提高利用效率。另一方面,通过对轴承脂的性能优化,提升其综合性能,发挥出更好的耐久性和稳定性。
进一步地,上述的耐久型精密轴承,所述轴承脂包括以下组分:
500SN基础油 52 份
350SN 基础油27 份
12-羟基硬脂酸8 份
抗锈剂0.5份
抗氧剂0.8份
抗磨极压剂6份
氢氧化锂 2份
水15份
硼酸 1 份
癸二酸 2份
氟化硼 0.4 份
聚乙二醇 0.5份
单硬脂酸山梨坦0.4份
甲基苯并三氮唑0.3份
2-巯基苯并噻唑0.2份
石墨0.8份
聚甲基丙烯酸酯0.6份。
进一步地,上述的耐久型精密轴承,所述抗氧剂为双十二烷基二苯胺;所述抗锈剂为环烷酸锌。
进一步地,上述的耐久型精密轴承,所述抗磨极压剂为以下混合物:硫代磷酸三苯酯、二丁基二硫代按基甲酸钼、二丁基二硫代按基甲酸锑、硼酸钾按重量计60:20:20:10的混合物。
进一步地,上述的耐久型精密轴承,所述轴承脂通过以下步骤进行制备:
S1:按配方在皂化釜中加入500SN基础油、350SN基础油和12-羟基硬脂酸,搅拌45min,同时升温至95℃,得混合物A;
S2:将氢氧化锂溶于95℃的中,逐滴加入到混合物A中,继续搅拌45min,缓慢升温至138℃,加入癸二酸,继续搅拌120min,得混合物B;
S3:加入配方中的全部剩余组分,继续搅拌90min,得所述的轴承脂。
有益效果:与现有技术相比,本发明所述的耐久型精密轴承,一方面通过对结构的优化,提高轴承脂的填充量同时提高轴承脂的利用效率;另一方面,通过对轴承脂的优化,提升了在长期使用过程中的耐久性和稳定性。
附图说明
图1为本发明的耐久型精密轴承的结构示意图;
图2为图1中A-A截面的剖视图;
图3为图1中B-B截面的剖视图。
具体实施方式
下面通过具体实施例,进一步阐明本发明,这些实施例只是为了说明问题,并不是一种限制。
实施例1
一种耐久型精密轴承,如图1至3,包括内环1、第一外环2、第二外环3、第三外环4、一组第一滚珠5和一组第二滚珠6;所述第一外环2和所述第二外环3分别固定于所述第三外环4的两侧,三者共同组成外环;所述第一外环2与所述内环1之间均匀分布地设有一组所述的第一滚珠5,所述第二外环3与所述内环1之间均匀分布地设有一组所述的第二滚珠6;所述内环1和所述外环在所述第一滚珠5和所述第二滚珠6的共同滚动支撑下可以相对旋转,共同构成双列球轴承。
本实施例中,所述第一滚珠5和所述第二滚珠6的在轴向上的位置相互错开。
本实施例中,所述第三外环4由硬质弹性材料制成,所述第一外环2和所述第二外环3通过一组螺栓贯穿固定于所述第三外环4的两侧,所述第一外环2和所述第二外环3之间的距离可以通过所述螺栓进行微调。
本实施例中,还包括分别设于所述内环1和所述外环两侧的第一密封圈7和第二密封圈8,所述第一封圈7卡设于所述内环1和所述第一外环2之间的缺口内,所述第二密封圈8卡设于所述内环1和所述第二外环3之间的缺口内。
本实施例中,所述内环1、所述外环、所述第一密封圈7和所述第二密封圈8共同形成的空腔内填充有轴承脂。
实施例2
一种耐久型精密轴承,如图1至3,包括内环1、第一外环2、第二外环3、第三外环4、一组第一滚珠5和一组第二滚珠6;所述第一外环2和所述第二外环3分别固定于所述第三外环4的两侧,三者共同组成外环;所述第一外环2与所述内环1之间均匀分布地设有一组所述的第一滚珠5,所述第二外环3与所述内环1之间均匀分布地设有一组所述的第二滚珠6;所述内环1和所述外环在所述第一滚珠5和所述第二滚珠6的共同滚动支撑下可以相对旋转,共同构成双列球轴承。
本实施例中,所述第一滚珠5和所述第二滚珠6的在轴向上的位置相互错开。
本实施例中,所述第三外环4由硬质弹性材料制成,所述第一外环2和所述第二外环3通过一组螺栓贯穿固定于所述第三外环4的两侧,所述第一外环2和所述第二外环3之间的距离可以通过所述螺栓进行微调。
本实施例中,还包括分别设于所述内环1和所述外环两侧的第一密封圈7和第二密封圈8,所述第一封圈7卡设于所述内环1和所述第一外环2之间的缺口内,所述第二密封圈8卡设于所述内环1和所述第二外环3之间的缺口内。
本实施例中,所述内环1、所述外环、所述第一密封圈7和所述第二密封圈8共同形成的空腔内填充有轴承脂。
本实施例中,所述轴承脂包括以下组分:
500SN基础油 52 份
350SN 基础油27 份
12-羟基硬脂酸8 份
抗锈剂0.5份
抗氧剂0.8份
抗磨极压剂6份
氢氧化锂 2份
水15份
硼酸 1 份
癸二酸 2份
氟化硼 0.4 份
聚乙二醇 0.5份
单硬脂酸山梨坦0.4份
甲基苯并三氮唑0.3份
2-巯基苯并噻唑0.2份
石墨0.8份
聚甲基丙烯酸酯0.6份。
本实施例中,所述抗氧剂为双十二烷基二苯胺;所述抗锈剂为环烷酸锌。
本实施例中,所述抗磨极压剂为以下混合物:硫代磷酸三苯酯、二丁基二硫代按基甲酸钼、二丁基二硫代按基甲酸锑、硼酸钾按重量计60:20:20:10的混合物。
本实施例中,所述轴承脂通过以下步骤进行制备:
S1:按配方在皂化釜中加入500SN基础油、350SN基础油和12-羟基硬脂酸,搅拌45min,同时升温至95℃,得混合物A;
S2:将氢氧化锂溶于95℃的中,逐滴加入到混合物A中,继续搅拌45min,缓慢升温至138℃,加入癸二酸,继续搅拌120min,得混合物B;
S3:加入配方中的全部剩余组分,继续搅拌90min,得所述的轴承脂。
本实施例中的轴承脂,按照国家标准GB/T 3498测得滴点值为315℃。按照石油化工行业标准SH/T 0202进行四球实验,测得PB值为1100N;PD值为4450N。
以上实施例仅是本发明的优选实施方式,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的前提下,还可以做出若干改进,这些改进也应视为本发明的保护范围。
Claims (9)
1.一种耐久型精密轴承,其特征在于:包括内环(1)、第一外环(2)、第二外环(3)、第三外环(4)、一组第一滚珠(5)和一组第二滚珠(6);所述第一外环(2)和所述第二外环(3)分别固定于所述第三外环(4)的两侧,三者共同组成外环;所述第一外环(2)与所述内环(1)之间均匀分布地设有一组所述的第一滚珠(5),所述第二外环(3)与所述内环(1)之间均匀分布地设有一组所述的第二滚珠(6);所述内环(1)和所述外环在所述第一滚珠(5)和所述第二滚珠(6)共同的滚动支撑下可以相对旋转,共同构成双列球轴承。
2.根据权利要求1所述的耐久型精密轴承,其特征在于:所述第一滚珠(5)和所述第二滚珠(6)的在轴向上的位置相互错开。
3.根据权利要求1所述的耐久型精密轴承,其特征在于:所述第三外环(4)由硬质弹性材料制成,所述第一外环(2)和所述第二外环(3)通过一组螺栓贯穿固定于所述第三外环(4)的两侧,所述第一外环(2)和所述第二外环(3)之间的距离可以通过所述螺栓进行调整。
4.根据权利要求1-3任一项所述的耐久型精密轴承,其特征在于:还包括分别设于所述内环(1)和所述外环两侧的第一密封圈(7)和第二密封圈(8),所述第一封圈(7)卡设于所述内环(1)和所述第一外环(2)之间的缺口内,所述第二密封圈(8)卡设于所述内环(1)和所述第二外环(3)之间的缺口内。
5.根据权利要求4所述的耐久型精密轴承,其特征在于:所述内环(1)、所述外环、所述第一密封圈(7)和所述第二密封圈(8)共同形成的空腔内填充有轴承脂。
6.根据权利要求5所述的耐久型精密轴承,其特征在于:所述轴承脂包括以下组分:
500SN基础油 52 份
350SN 基础油27 份
12-羟基硬脂酸8 份
抗锈剂0.5份
抗氧剂0.8份
抗磨极压剂6份
氢氧化锂 2份
水15份
硼酸 1 份
癸二酸 2份
氟化硼 0.4 份
聚乙二醇 0.5份
单硬脂酸山梨坦0.4份
甲基苯并三氮唑0.3份
2-巯基苯并噻唑0.2份
石墨0.8份
聚甲基丙烯酸酯0.6份。
7.根据权利要求6所述的耐久型精密轴承,其特征在于:所述抗氧剂为双十二烷基二苯胺;所述抗锈剂为环烷酸锌。
8.根据权利要求6所述的耐久型精密轴承,其特征在于:所述抗磨极压剂为以下混合物:硫代磷酸三苯酯、二丁基二硫代按基甲酸钼、二丁基二硫代按基甲酸锑、硼酸钾按重量计60:20:20:10的混合物。
9.根据权利要求6-8任一项所述的耐久型精密轴承,其特征在于:所述轴承脂通过以下步骤制备得到:
S1:按配方在反应釜中加入500SN基础油、350SN基础油和12-羟基硬脂酸,搅拌45min,同时升温至95℃,得混合物A;
S2:将氢氧化锂溶于95℃的中,逐滴加入到混合物A中,继续搅拌45min,缓慢升温至138℃,加入癸二酸,继续搅拌120min,得混合物B;
S3:加入配方中的全部剩余组分,继续搅拌90min,得所述的轴承脂。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911162338.6A CN110873123A (zh) | 2019-11-25 | 2019-11-25 | 一种耐久型精密轴承 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911162338.6A CN110873123A (zh) | 2019-11-25 | 2019-11-25 | 一种耐久型精密轴承 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110873123A true CN110873123A (zh) | 2020-03-10 |
Family
ID=69718184
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911162338.6A Pending CN110873123A (zh) | 2019-11-25 | 2019-11-25 | 一种耐久型精密轴承 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110873123A (zh) |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB115819A (en) * | 1917-05-14 | 1918-10-31 | Konrad Werner Lindman | Improvements in Ball Bearings. |
US3651550A (en) * | 1970-08-19 | 1972-03-28 | Us Air Force | Method of preloading a bearing |
US5028152A (en) * | 1990-03-21 | 1991-07-02 | The Timken Company | Machine with thermally compensated bearings |
JP2005147372A (ja) * | 2003-11-20 | 2005-06-09 | Nachi Fujikoshi Corp | 並列組合型複列アンギュラ玉軸受及びその分離方法 |
JP2006220174A (ja) * | 2005-02-08 | 2006-08-24 | Nsk Ltd | 複列玉軸受 |
CN104389899A (zh) * | 2014-10-13 | 2015-03-04 | 北京控制工程研究所 | 一种带预载滚动式关节轴承 |
CN104629881A (zh) * | 2015-01-29 | 2015-05-20 | 山东宏泽石油化工有限公司 | 抗磨修复型高速专用轴承脂及生产方法 |
CN105179485A (zh) * | 2014-04-28 | 2015-12-23 | Skf公司 | 具有温度补偿环的轴承圈、轴承,以及轴承圈的制造方法 |
CN106640949A (zh) * | 2016-11-25 | 2017-05-10 | 秦劳(上海)实业有限公司 | 一种双列角接触球轴承 |
CN107636328A (zh) * | 2015-05-26 | 2018-01-26 | 舍弗勒技术股份两合公司 | 具有用于调整轴承间隙的可调节的环的两列滚动轴承 |
CN107917142A (zh) * | 2016-10-09 | 2018-04-17 | 斯凯孚公司 | 温度补偿环和具有该温度补偿环的轴承圈 |
CN109838462A (zh) * | 2018-01-31 | 2019-06-04 | 杭州竞舟轴承有限公司 | 双列调心轴承、安装结构及游隙调整方法 |
CN110030259A (zh) * | 2019-04-25 | 2019-07-19 | 舍弗勒技术股份两合公司 | 一种轴承组件及其滚子轴承 |
-
2019
- 2019-11-25 CN CN201911162338.6A patent/CN110873123A/zh active Pending
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB115819A (en) * | 1917-05-14 | 1918-10-31 | Konrad Werner Lindman | Improvements in Ball Bearings. |
US3651550A (en) * | 1970-08-19 | 1972-03-28 | Us Air Force | Method of preloading a bearing |
US5028152A (en) * | 1990-03-21 | 1991-07-02 | The Timken Company | Machine with thermally compensated bearings |
JP2005147372A (ja) * | 2003-11-20 | 2005-06-09 | Nachi Fujikoshi Corp | 並列組合型複列アンギュラ玉軸受及びその分離方法 |
JP2006220174A (ja) * | 2005-02-08 | 2006-08-24 | Nsk Ltd | 複列玉軸受 |
CN105179485A (zh) * | 2014-04-28 | 2015-12-23 | Skf公司 | 具有温度补偿环的轴承圈、轴承,以及轴承圈的制造方法 |
CN104389899A (zh) * | 2014-10-13 | 2015-03-04 | 北京控制工程研究所 | 一种带预载滚动式关节轴承 |
CN104629881A (zh) * | 2015-01-29 | 2015-05-20 | 山东宏泽石油化工有限公司 | 抗磨修复型高速专用轴承脂及生产方法 |
CN107636328A (zh) * | 2015-05-26 | 2018-01-26 | 舍弗勒技术股份两合公司 | 具有用于调整轴承间隙的可调节的环的两列滚动轴承 |
CN107917142A (zh) * | 2016-10-09 | 2018-04-17 | 斯凯孚公司 | 温度补偿环和具有该温度补偿环的轴承圈 |
CN106640949A (zh) * | 2016-11-25 | 2017-05-10 | 秦劳(上海)实业有限公司 | 一种双列角接触球轴承 |
CN109838462A (zh) * | 2018-01-31 | 2019-06-04 | 杭州竞舟轴承有限公司 | 双列调心轴承、安装结构及游隙调整方法 |
CN110030259A (zh) * | 2019-04-25 | 2019-07-19 | 舍弗勒技术股份两合公司 | 一种轴承组件及其滚子轴承 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8003582B2 (en) | Grease, rolling bearing, constant velocity joint, and rolling parts | |
EP2540813B1 (en) | Grease composition for hub unit bearing equipped with angular contact ball bearing, and hub unit bearing | |
US7786058B2 (en) | Rolling device employing lubricating grease composition and electric power steering apparatus employing the rolling device | |
US20110007990A1 (en) | Grease composition and grease-sealed bearing | |
CN109022110A (zh) | 以微纳米粉末作为添加剂的液态金属润滑剂及其制备方法 | |
CN109762629A (zh) | 一种烧结机滑道密封润滑脂及其制备方法 | |
JP5115050B2 (ja) | 転がり軸受 | |
CN110873123A (zh) | 一种耐久型精密轴承 | |
CN110724577B (zh) | 一种机器人用润滑脂及其应用 | |
US20180112147A1 (en) | Grease Composition and Rolling Bearing in Which Grease Composition is Sealed | |
EP3733821B1 (en) | Lubricant composition and rolling bearing having same sealed therein | |
CN109054968B (zh) | 一种液压机械用固体润滑剂 | |
JP2018003028A (ja) | 転がり軸受用グリース組成物及び転がり軸受、並びに工作機械主軸装置 | |
CN115491244A (zh) | 一种减震抗磨高温润滑脂组合物及其制备方法 | |
JP2005306965A (ja) | 直動案内用広速度域グリース組成物及びこれを用いた直動案内装置 | |
CN107629852A (zh) | 一种耐磨润滑脂及其制备方法 | |
CN113563945A (zh) | 一种长寿命、低磨损轴承润滑脂组合物及其制备方法 | |
CN109666530A (zh) | 一种轴承加工专用的冷辗扩油组合物 | |
CN104031717B (zh) | 一种氮化铝和铜混合纳米润滑脂添加剂及其应用 | |
CN111117738A (zh) | 一种机器人rv减速器润滑剂组合物 | |
US20140336090A1 (en) | Grease composition and bearing | |
CN106870735A (zh) | 一种用于旋转轴的金属骨架ptfe密封件 | |
CN104342270A (zh) | 一种轴承用润滑脂组合物 | |
CN110747039A (zh) | 一种润滑脂及其在电动汽车轮毂轴承中的应用 | |
CN1045471C (zh) | 一种用于核电站齿轮箱的润滑脂 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200310 |
|
RJ01 | Rejection of invention patent application after publication |