CN110158695B - 滑移装载机轮边支承 - Google Patents

滑移装载机轮边支承 Download PDF

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CN110158695B
CN110158695B CN201910416720.9A CN201910416720A CN110158695B CN 110158695 B CN110158695 B CN 110158695B CN 201910416720 A CN201910416720 A CN 201910416720A CN 110158695 B CN110158695 B CN 110158695B
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bearing
youdao
huang
supporting shaft
sealing cover
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CN110158695A (zh
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丁亮
钱珍宝
汪琰
周良稷
刘勇涛
史骞
沈小平
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Liugong Changzhou Machinery Co Ltd
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Liugong Changzhou Machinery Co Ltd
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    • 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
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/063—Fixing them on the shaft
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/006—Pivot joint assemblies
    • 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
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
    • F16C19/36—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
    • F16C19/364—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
    • 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
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • F16C19/546—Systems with spaced apart rolling bearings including at least one angular contact bearing
    • F16C19/547—Systems with spaced apart rolling bearings including at least one angular contact bearing with two angular contact rolling bearings
    • F16C19/548—Systems with spaced apart rolling bearings including at least one angular contact bearing with two angular contact rolling bearings in O-arrangement
    • 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
    • F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
    • F16C2226/50—Positive connections
    • F16C2226/60—Positive connections with threaded parts, e.g. bolt and nut connections
    • 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
    • F16C2326/00—Articles relating to transporting
    • F16C2326/01—Parts of vehicles in general
    • F16C2326/02—Wheel hubs or castors
    • 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
    • F16C2350/00—Machines or articles related to building
    • F16C2350/26—Excavators
    • 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
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/102—Construction relative to lubrication with grease as lubricant

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

一种滑移装载机轮边支承，包括支承轴、支承座、密封圈、第一轴承、封盖、第二轴承和衬套；所述支承轴相对于所述支承座作圆周运动，所述支承轴一端与轮胎轮辋通过螺栓相连接，另一端与链轮相连接。所述支承轴设有黄油道，所述黄油道包括轴向黄油道和径向黄油道；所述支承轴止动所述第一轴承台阶处设有退刀槽。所述封盖包括第一封盖和第二封盖，所述轮边支承从轮胎轮辋往链轮方向依次是支承轴、密封圈、第一轴承、第一封盖、第二封盖、第二轴承、衬套。该轮边支承结构简单，制造方便，既能满足轮边支承的润滑需要，又能有效提高维护性，从而提高轮边支承的可靠性和使用寿命。

Description

滑移装载机轮边支承
技术领域
本发明涉及一种传动装置，特别是滑移装载机轮边支承，属于工程机械技术领域。
背景技术
滑移装载机亦称滑移式装载机、多功能工程车、多功能工程机，是一种利用两侧车轮线速度差而实现车辆转向的轮式专用底盘设备。滑移装载机轮边支承装置将行走马达的输出转矩传递至轮胎侧，实现行走和转向功能。因此轮边支承的性能及维修性对滑移装载机的性能有着重要影响。
轮边支承内轴承的润滑对轮边支承的性能至关重要，为保证轮边支承内轴承的润滑，要么将轮边支承设计成封闭式，如申请号为CN201520697782.9的“滑移装载机轮边传动装置”专利，此轮边支承的润滑效果很好，但对密封性能要求较高，且润滑维护不方便。要么将轮边支承设计成开放式，即通过链箱中飞溅的油液润滑轮边支承装置中的轴承，但由于外侧轴承距链箱较远，实际使用过程中飞溅的油液量不能完全满足外侧轴承的润滑需求，进而引起外侧轴承的过早失效。
发明内容
发明目的：本发明旨在解决上述问题，提供润滑效果好、维护方便的滑移装载机轮边支承。
技术方案：一种滑移装载机轮边支承，包括支承轴、支承座、密封圈、第一轴承、封盖、第二轴承和衬套；所述支承轴相对于所述支承座作圆周运动，所述支承轴一端与轮胎轮辋相连接，另一端与链轮相连接；所述轮边支承从轮胎轮辋往链轮方向依次是支承轴、密封圈、第一轴承、封盖、第二轴承、衬套；所述支承轴设有黄油道，所述黄油道包括轴向黄油道和径向黄油道，所述轴向黄油道和径向黄油道相垂直、贯穿，所述径向黄油道的出口设于所述第一轴承和封盖之间。从轮胎轮辋侧便可打黄油，维护轮边支承的润滑，方便有效，黄油从所述轴向黄油道进径向黄油道，润滑所述第一轴承，所述第二轴承则因链箱中飞溅的油液而得到润滑。
优选项，为提高支承轴的可靠性，所述轴向黄油道和径向黄油道的夹角为钝角，两者相贯穿，所述径向黄油道的出口设于所述第一轴承和封盖之间。
优选项，为保证两侧轴承的有效润滑，避免黄油的早期失效，所述封盖包括第一封盖和第二封盖，所述轮边支承从轮胎轮辋往链轮方向依次是支承轴、密封圈、第一轴承、第一封盖、第二封盖、第二轴承、衬套。
优选项，为进一步提高支承轴的可靠性，所述支承轴止动所述第一轴承台阶处设有退刀槽。
有益效果：本发明结构简单，制造方便，既能满足轮边支承的润滑需要，又能有效提高维护性，从而提高轮边支承的可靠性和使用寿命。
附图说明
图1为本发明装配结构的剖视示意图；
图2为本发明轮边支承的剖视示意图；
图3为本发明轮边支承的局部示意图。
具体实施方式
滑移装载机的轮边支承包含两个用于承载的轴承，整体结构类似于简易的支梁结构，轴承采用背对背安装形式。下面结合附图和实施例对本发明作进一步说明。
如图1、图2、图3所示，一种滑移装载机轮边支承，包括支承轴1、支承座2、密封圈3、第一轴承4、封盖5、第二轴承6和衬套7；所述支承轴1相对于所述支承座2作圆周运动，所述支承轴1一端与轮胎轮辋8通过螺栓相连接，另一端与链轮9相连接。所述支承轴1通过压盖、螺栓锁紧链轮9，轴向游隙则通过调整垫进行调节。所述支承轴1设有黄油道11，所述黄油道11包括轴向黄油道111和径向黄油道112，所述轴向黄油道111和径向黄油道112相垂直、贯穿，所述径向黄油道112的出口设于所述第一轴承4和封盖5之间。所述支承轴1止动所述第一轴承台阶处设有退刀槽12，退刀槽12的设计既确保了工艺的可靠性，又能防止应力集中，造成断轴。所述封盖5包括第一封盖51和第二封盖52，所述轮边支承从轮胎轮辋8往链轮9方向依次是支承轴1、密封圈3、第一轴承4、第一封盖51、第二封盖52、第二轴承6、衬套7。所述衬套7能有效保证链轮9与支承轴1花键连接的有效性。所述第一封盖51与密封圈3组成的封闭润滑腔能有效保证第一轴承4的润滑需要，且能防止黄油进入链箱，造成链箱油的早期失效。所述第二封盖52与第二轴承6组成的润滑腔能有效保证第二轴承6的润滑需要，且能防止链箱油飞溅至第一轴承4的润滑黄油，造成润滑黄油的早期失效。为了进一步提高支承轴1的可靠性，防止支承轴1在径向黄油道112处断裂，所述轴向黄油道111和径向黄油道112的夹角为钝角，两者相贯穿，所述径向黄油道112的出口设于所述第一轴承4和封盖5之间。
上面虽然结合实施例对本发明作了详细的说明，但是所述技术领域的技术人员能够理解，在不脱离本发明宗旨的前提下，还可以对上述实施例进行变更或改变，如将润滑腔设计成圆锥、内沉式等，仍落在本发明的保护范围内。

Claims (3)

1.一种滑移装载机轮边支承，包括支承轴(1)、支承座(2)、密封圈(3)、第一轴承(4)、封盖(5)、第二轴承(6)和衬套(7)；所述支承轴(1)相对于所述支承座(2)作圆周运动，所述支承轴(1)一端与轮胎轮辋(8)相连接，另一端与链轮(9)相连接；
所述轮边支承从轮胎轮辋(8)往链轮(9)方向依次是支承轴(1)、密封圈(3)、第一轴承(4)、封盖(5)、第二轴承(6)、衬套(7)；其特征在于：所述支承轴(1)设有黄油道(11)，所述黄油道(11)包括轴向黄油道(111)和径向黄油道(112)，所述轴向黄油道(111)和径向黄油道(112)相垂直、贯穿，所述径向黄油道(112)的出口设于所述第一轴承(4)和封盖(5)之间；所述轴向黄油道(111)和径向黄油道(112)的夹角为钝角，两者相贯穿，所述径向黄油道(112)的出口设于所述第一轴承(4)和封盖(5)之间。
2.根据权利要求1所述的滑移装载机轮边支承，其特征在于：所述封盖(5)包括第一封盖(51)和第二封盖(52)，所述轮边支承从轮胎轮辋(8)往链轮(9)方向依次是支承轴(1)、密封圈(3)、第一轴承(4)、第一封盖(51)、第二封盖(52)、第二轴承(6)、衬套(7)。
3.根据权利要求1或2所述的滑移装载机轮边支承，其特征在于：所述支承轴(1)止动所述第一轴承台阶处设有退刀槽(12)。
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CN208216687U (zh) * 2018-04-28 2018-12-11 徐州徐工传动科技有限公司 一种链轮式轮边制动结构及工程机械
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CN201703197U (zh) * 2010-04-23 2011-01-12 郑州精益达汽车零部件有限公司 一种中型客车用驱动桥
CN202834692U (zh) * 2012-09-08 2013-03-27 中色科技股份有限公司 用于辊轴轴承润滑油收集的集油罩
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CN208216687U (zh) * 2018-04-28 2018-12-11 徐州徐工传动科技有限公司 一种链轮式轮边制动结构及工程机械
CN210507596U (zh) * 2019-05-20 2020-05-12 江苏柳工机械有限公司 滑移装载机轮边支承

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