WO2022246928A1 - Maintenance-free self-lubricating plain bearing having internal oil storage groove - Google Patents
Maintenance-free self-lubricating plain bearing having internal oil storage groove Download PDFInfo
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- WO2022246928A1 WO2022246928A1 PCT/CN2021/100526 CN2021100526W WO2022246928A1 WO 2022246928 A1 WO2022246928 A1 WO 2022246928A1 CN 2021100526 W CN2021100526 W CN 2021100526W WO 2022246928 A1 WO2022246928 A1 WO 2022246928A1
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- Prior art keywords
- lubricating
- oil storage
- storage groove
- maintenance
- self
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- 238000003860 storage Methods 0.000 title claims abstract description 68
- 239000003921 oil Substances 0.000 claims abstract description 73
- 239000007787 solid Substances 0.000 claims abstract description 37
- 239000010687 lubricating oil Substances 0.000 claims abstract description 33
- 239000002245 particle Substances 0.000 claims abstract description 19
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 6
- 238000004026 adhesive bonding Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000007770 graphite material Substances 0.000 claims description 4
- 238000004663 powder metallurgy Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
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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
- 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
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
- F16C33/104—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing in a porous body, e.g. oil impregnated sintered sleeve
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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
- 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
- F16C33/1095—Construction relative to lubrication with solids as lubricant, e.g. dry coatings, powder
Definitions
- the invention relates to the technical field of transmission, in particular to a maintenance-free self-lubricating dynamic bearing with internal oil storage grooves.
- Self-lubricating dynamic bearings generally use metal hollow cylindrical bushing parts.
- the hollow cylindrical bushing parts are distributed with a certain number of inlaid holes.
- Solid self-lubricating cylindrical particles are installed in the inlaid holes.
- Solid self-lubricating cylindrical particles contain a large number of micropores.
- Adsorbed lubricating oil the adsorbed lubricating oil plays a lubricating role.
- the amount of lubricating oil adsorbed by solid self-lubricating cylinders is limited, and when the bearing is working, the adsorbed lubricating oil evaporates and loses continuously, which greatly reduces the lubrication effect between the bearing and the rotating shaft, increases the frictional resistance, and accelerates the speed between the bearing and the rotating shaft. wear and tear.
- the present invention provides a maintenance-free self-lubricating dynamic bearing with internal oil storage grooves to solve the above problems.
- a maintenance-free self-lubricating dynamic bearing with an internal oil storage groove which includes an inner sleeve part, an outer sleeve part sleeved on the inner sleeve part, and at least one line between the inner sleeve part and the outer sleeve Oil storage grooves between components.
- the inner sleeve part includes a shaft sleeve body, a plurality of embedding holes arranged on the shaft sleeve body, and a plurality of solid self-lubricating cylindrical grains respectively embedded in the embedding holes.
- the oil storage groove communicates with the mosaic hole, and the oil storage groove is used to store lubricating oil and transport the lubricating oil to the solid self-lubricating cylindrical grains, and the solid self-lubricating cylindrical grains contain a large number of micropores Used to absorb lubricating oil.
- the area occupied by the multiple inlay holes is 10% to 36% of the total outer surface area of the sleeve body.
- oil storage groove is composed of multiple grooves, or is a single groove.
- oil storage groove is set on the outer surface of the inner cover part, or on the inner surface of the outer cover part, or on the outer surface of the inner cover part and the outer cover part inner surface.
- oil storage groove is a screw groove.
- the inner casing part is fixedly installed in the outer casing part through glue bonding, or fixedly installed in the outer casing part through interference fit.
- solid self-lubricating cylindrical particles are installed in the inlaid hole by glue bonding.
- the solid self-lubricating cylindrical particles are graphite materials containing a large number of micropores or powder metallurgy materials containing a large number of micropores.
- the bushing body is made of copper alloy
- the outer casing part is made of copper alloy or steel
- the outer casing part is provided with an oil injection hole.
- the maintenance-free self-lubricating dynamic bearing provided by the present invention has an internal oil storage groove between the outer casing part and the inner casing part, and the internal oil storage groove is connected with each solid self-lubricating cylinder installed
- the mosaic hole of the grain is connected, so that when the internal oil storage groove stores lubricating oil, it can deliver the lubricating oil to the solid self-lubricating cylindrical grain, and then on the one hand, one end of the solid self-lubricating cylindrical grain is soaked in the lubricating oil. In the oil, the oil content of the solid self-lubricating cylindrical particles is increased.
- the lubricating oil stored in the outer groove can timely replenish the lubricating oil evaporated and lost in the solid self-lubricating cylindrical particles during the work of the bearing, thereby improving the bearing capacity.
- the lubrication effect between the shaft and the shaft reduces frictional resistance and reduces the wear between the bearing and the shaft. Since the lubricating oil is stored in the sealed oil storage groove between the inner and outer casing parts, the lubricating oil keeps providing lubrication to the bearing during the service life of the self-lubricating dynamic bearing, so that the self-lubricating dynamic bearing is free from Maintenance, reduce equipment maintenance costs.
- Fig. 1 is a schematic diagram of an exploded structure of a maintenance-free self-lubricating dynamic bearing with an internal oil storage groove provided by the present invention.
- Fig. 2 is a schematic cross-sectional structure diagram of the maintenance-free self-lubricating dynamic bearing with an internal oil storage groove in Fig. 1 .
- Fig. 3 is a schematic diagram of an exploded structure of a maintenance-free self-lubricating dynamic bearing with internal oil storage grooves provided by the present invention with three radial oil storage grooves.
- Fig. 4 is a schematic diagram of an exploded structure of a maintenance-free self-lubricating dynamic bearing with internal oil storage grooves provided by the present invention with grooves provided on both the inner and outer outer parts.
- Fig. 5 is a schematic diagram of an exploded structure of a maintenance-free self-lubricating dynamic bearing with an internal oil storage groove and a threaded oil storage groove provided by the present invention.
- FIG. 1 to Fig. 5 it is a schematic structural diagram of a maintenance-free self-lubricating dynamic bearing with an internal oil storage groove provided by the present invention.
- the maintenance-free self-lubricating dynamic bearing with an internal oil storage groove includes an inner sleeve part 10, an outer sleeve part 20 sleeved on the inner sleeve part 10, and at least one and the oil storage groove 30 between the casing part 20 .
- the maintenance-free self-lubricating dynamic bearing with an internal oil storage groove also includes lubricating oil, etc., and as an independent component, it is installed in the equipment according to actual use requirements. Techniques known to those skilled in the art will not be repeated here.
- the inner sleeve part 10 includes a shaft sleeve body 11 , a plurality of inlay holes 12 provided on the shaft sleeve body 11 , and a plurality of solid self-lubricating cylindrical particles 13 respectively embedded in the inlay holes 12 .
- the sleeve body 11 can be made of copper alloy.
- the diameter and wall thickness of the sleeve body 11 should be designed according to the field of application, and are not limited in this embodiment. It is conceivable that the sleeve body 11 is a hollow cylinder.
- the inlay holes 12 are opened on the sleeve body 11 and are all through holes, occupying an area of 10% to 36% of the total surface area of the sleeve body 11 .
- the area occupied by the inlay hole 12 is 26% of the total outer surface area of the sleeve body 11 .
- a plurality of the inserting holes 12 are opened on the sleeve body 11 in a row.
- the number of the solid self-lubricating cylinders 13 is the same as the number of the inlay holes 12, and each of the solid self-lubricating cylinders 13 is installed in the corresponding inlay holes 12 by glue bonding.
- the solid self-lubricating cylindrical particles 13 can be made of graphite material containing a large number of pores, or copper-based powder metallurgy material containing a large number of pores. When the solid self-lubricating cylindrical particles 13 are made of graphite material, the graphite content is greater than 80%. When the solid self-lubricating cylinder 13 is made of copper-based powder metallurgy material, the copper content is greater than 50%.
- micropores contained in the solid self-lubricating cylindrical particles 13 are used to absorb and store lubricating oil.
- the size and quantity of the micropores can be adjusted by changing the material composition and production process. This is the prior art and is not required by the present invention. The protected content will not be repeated here.
- the inner sleeve part 10 also includes a flange rib 14 arranged at one end of the shaft sleeve body 11 in the axial direction, and the flange rib 14 is used for installing a self-lubricating dynamic bearing.
- the flange rib 14 is a prior art, and will not be repeated here.
- the outer cover part 20 can be fixedly installed on the inner cover part 10 through glue bonding, and can also be fixedly installed on the inner cover part 10 through an interference fit.
- the outer casing part 20 is fixed on the inner casing part 10 by glue bonding.
- the jacket part 20 can be produced from a copper alloy or from steel.
- the casing part is made of steel.
- an oil injection hole 21 is provided on the outer casing part 20 .
- the oil storage groove 30 is arranged on the outer surface of the inner cover part 10, or is opened on the inner surface of the outer cover part 20, or is opened on the outer surface of the inner cover part 10 and the outer cover at the same time. inner surface of part 20.
- one radial oil storage groove 30 is arranged on the inner cylindrical surface of the outer casing part 20, and the one radial oil storage groove 30 communicates with all the inlaid holes 12, so that the oil storage groove can be
- the lubricating oil in the groove 30 is transported to the mosaic hole 12, and then one end of the solid self-lubricating cylinder 13 is immersed in the lubricating oil and absorbed or stored by the solid self-lubricating cylinder 13, so as to improve the solid
- the self-lubricating cylindrical particles 13 are for the purpose of lubricating ability.
- the depth of the oil storage groove 30 can be set to 0.5 mm to 2 mm, which is determined according to actual needs and process requirements.
- the structural schematic diagram shown in Fig. 3 adopts 3 radially distributed oil storage grooves 30, and these 3 oil storage grooves 30 are arranged on the inner cylindrical surface of the outer jacket part 20; A plurality of axial oil storage grooves 30 are also arranged between the 30, so that all the oil storage grooves 30 are connected together. Of course, according to actual usage requirements and working environment, these oil storage grooves 30 may only be partly connected together.
- the oil storage grooves 30 are composed of six radially distributed oil storage grooves 15 arranged on the outer cylindrical surface of the inner casing part 10 and arranged on the inner cylindrical surface of the outer casing part 20 4 axial oil storage grooves 22 on the top, and all the oil storage grooves 30 are connected together.
- the oil storage groove 30 adopts a thread structure.
- the threaded oil storage groove 30 is arranged on the inner cylindrical surface of the outer casing part 20 and communicates with all the inlay holes 12.
- the lubricating oil in the threaded oil storage groove 30 can flow to all the inlaid holes 12
- the solid self-lubricating cylindrical particles 13 are solid self-lubricating cylindrical particles 13 .
- an internal oil storage groove 30 is arranged between the outer casing part 20 and the inner casing part 10, and the internal oil storage groove 30 is connected with a solid self-lubricating bearing.
- the mosaic hole 12 of the lubricating cylinder 13 is connected, so that when the internal oil storage groove 30 stores lubricating oil, it can transport the lubricating oil to the solid self-lubricating cylinder 13, and then on the one hand, make the solid self-lubricating cylinder One end of the grain 13 is soaked in lubricating oil, which increases the oil content of the solid self-lubricating cylindrical grain 13.
- the lubricating oil stored in the oil storage groove 30 can replenish the bearing in time, and the solid self-lubricating cylindrical grain 13 The lubricating oil evaporated and lost in the middle, thereby improving the lubrication effect between the bearing and the rotating shaft, reducing frictional resistance, and reducing the wear between the bearing and the rotating shaft. Since the lubricating oil is stored in the sealed oil storage groove 30 between the inner and outer casing parts, the lubricating oil keeps providing lubrication to the bearing during the service life of the self-lubricating dynamic bearing, so that the self-lubricating dynamic bearing is free from Easy to maintain and reduce equipment maintenance costs.
Abstract
A maintenance-free self-lubricating plain bearing having an internal oil storage groove, comprising an inner sleeve component (10), an outer sleeve component (20) sleeved on the inner sleeve component (10), and at least one oil storage groove (30) formed between the inner sleeve component (10) and the outer sleeve component (20). The inner sleeve component (10) comprises a shaft sleeve body (11), a plurality of inlay holes (12) provided on the shaft sleeve body (11), and a plurality of solid self-lubricating cylindrical particles (13) respectively inlaid in the inlay holes (12). The oil storage groove (30) is communicated with the inlay holes (12), the oil storage groove (30) is used for storing lubricating oil and transporting the lubricating oil to the solid self-lubricating cylindrical particles (13), and the solid self-lubricating cylindrical particles (13) contain a large number of micropores for adsorbing the lubricating oil. The maintenance-free self-lubricating plain bearing can improve the lubrication effect between the bearing and a rotating shaft, reduce frictional resistance, reduce the wear between the bearing and the rotating shaft, and provision of lubrication to the bearing is kept within the service life of the self-lubricating plain bearing, so that the self-lubricating plain bearing is free from maintenance, thereby reducing equipment maintenance costs.
Description
本发明涉及传动技术领域，特别是一种带有内部储油沟槽的免维护自润滑动轴承。The invention relates to the technical field of transmission, in particular to a maintenance-free self-lubricating dynamic bearing with internal oil storage grooves.
自润滑动轴承，一般采用金属中空圆柱轴套部件，中空圆柱轴套部件分布有一定数量的镶嵌孔，固体自润滑圆柱粒安装在镶嵌孔中，固体自润滑圆柱粒含有大量微孔，用于吸附润滑油，吸附的润滑油起到润滑作用。但是固体自润滑圆柱粒吸附的润滑油数量有限，而且轴承在工作中，吸附的润滑油不断蒸发及流失，使得轴承与转轴之间的润滑效果大大下降，摩擦阻力增加，加速轴承与转轴之间的磨损。Self-lubricating dynamic bearings generally use metal hollow cylindrical bushing parts. The hollow cylindrical bushing parts are distributed with a certain number of inlaid holes. Solid self-lubricating cylindrical particles are installed in the inlaid holes. Solid self-lubricating cylindrical particles contain a large number of micropores. Adsorbed lubricating oil, the adsorbed lubricating oil plays a lubricating role. However, the amount of lubricating oil adsorbed by solid self-lubricating cylinders is limited, and when the bearing is working, the adsorbed lubricating oil evaporates and loses continuously, which greatly reduces the lubrication effect between the bearing and the rotating shaft, increases the frictional resistance, and accelerates the speed between the bearing and the rotating shaft. wear and tear.
发明内容Contents of the invention
有鉴于此，本发明提供一种带有内部储油沟槽的免维护自润滑动轴承，以解决上述问题。In view of this, the present invention provides a maintenance-free self-lubricating dynamic bearing with internal oil storage grooves to solve the above problems.
一种带有内部储油沟槽的免维护自润滑动轴承，其包括一个内套部件，一个套设在所述内套部件上的外套部件，以及至少一条开设在所述内套部件与外套部件之间的储油沟槽。所述内套部件包括一个轴套本体，多个设置在所述轴套本体上的镶嵌孔，以及多个分别镶嵌在所述镶嵌孔中的固体自润滑圆柱粒。所述储油沟槽与所述镶嵌孔相连通，所述储油沟槽用于储存润滑油并把润滑油输送到所述固体自润滑圆柱粒，所述固体自润滑圆柱粒含有大量微孔用于吸附润滑油。A maintenance-free self-lubricating dynamic bearing with an internal oil storage groove, which includes an inner sleeve part, an outer sleeve part sleeved on the inner sleeve part, and at least one line between the inner sleeve part and the outer sleeve Oil storage grooves between components. The inner sleeve part includes a shaft sleeve body, a plurality of embedding holes arranged on the shaft sleeve body, and a plurality of solid self-lubricating cylindrical grains respectively embedded in the embedding holes. The oil storage groove communicates with the mosaic hole, and the oil storage groove is used to store lubricating oil and transport the lubricating oil to the solid self-lubricating cylindrical grains, and the solid self-lubricating cylindrical grains contain a large number of micropores Used to absorb lubricating oil.
进一步地，多个所述镶嵌孔所占用的面积为所述轴套本体的外表总面积的10％至36％。Further, the area occupied by the multiple inlay holes is 10% to 36% of the total outer surface area of the sleeve body.
进一步地，所述储油沟槽由多个沟槽组成，或者为单个沟槽。Further, the oil storage groove is composed of multiple grooves, or is a single groove.
进一步地，所述储油沟槽开设在所述内套部件的外表面，或是开设在所述外套部件的内表面，或是同时开设在所述内套部件的外表面和所述外套部件的内表面。Further, the oil storage groove is set on the outer surface of the inner cover part, or on the inner surface of the outer cover part, or on the outer surface of the inner cover part and the outer cover part inner surface.
进一步地，所述储油沟槽是螺纹槽。Further, the oil storage groove is a screw groove.
进一步地，所述内套部件通过胶水粘结固定安装在所述外套部件内，或通过过盈配合固定安装在所述外套部件内。Further, the inner casing part is fixedly installed in the outer casing part through glue bonding, or fixedly installed in the outer casing part through interference fit.
进一步地，所述固体自润滑圆柱粒采用胶水粘接安装在所述镶嵌孔中。Further, the solid self-lubricating cylindrical particles are installed in the inlaid hole by glue bonding.
进一步地，所述固体自润滑圆柱粒为含有大量微孔的石墨材料或含有大量微孔的粉末冶金材料。Further, the solid self-lubricating cylindrical particles are graphite materials containing a large number of micropores or powder metallurgy materials containing a large number of micropores.
进一步地，所述轴套本体由铜合金制造，所述外套部件由铜合金或钢制造Further, the bushing body is made of copper alloy, and the outer casing part is made of copper alloy or steel
进一步地，所述外套部件设置有注油孔。Further, the outer casing part is provided with an oil injection hole.
与现有技术相比，本发明提供的免维护自润滑动轴承，其外套部件和内套部件之间设置有内部储油沟槽，该内部储油沟槽与每一个安装有固体自润滑圆柱粒的镶嵌孔连通，从而当所述内部储油沟槽储存有润滑油时，其可以将润滑油输送到固体自润滑圆柱粒，进而一方面使所述固体自润滑圆柱粒的一端浸泡在润滑油中，提高了固体自润滑圆柱粒的含油量，另一方面储存在外沟槽中的润滑油可以及时补充轴承在工作中，固体自润滑圆柱粒中蒸发及流失的润滑油，从而提高了轴承与转轴之间的润滑效果，减少摩擦阻力，减低轴承与转轴之间的磨损。由于润滑油存储在由所述内、外套部件之间的密封储油沟槽中，该润滑油在所述自润滑动轴承使用寿命内保持向轴承提供润滑，从而使该自润滑动轴承免于维护，降低设备维护成本。Compared with the prior art, the maintenance-free self-lubricating dynamic bearing provided by the present invention has an internal oil storage groove between the outer casing part and the inner casing part, and the internal oil storage groove is connected with each solid self-lubricating cylinder installed The mosaic hole of the grain is connected, so that when the internal oil storage groove stores lubricating oil, it can deliver the lubricating oil to the solid self-lubricating cylindrical grain, and then on the one hand, one end of the solid self-lubricating cylindrical grain is soaked in the lubricating oil. In the oil, the oil content of the solid self-lubricating cylindrical particles is increased. On the other hand, the lubricating oil stored in the outer groove can timely replenish the lubricating oil evaporated and lost in the solid self-lubricating cylindrical particles during the work of the bearing, thereby improving the bearing capacity. The lubrication effect between the shaft and the shaft reduces frictional resistance and reduces the wear between the bearing and the shaft. Since the lubricating oil is stored in the sealed oil storage groove between the inner and outer casing parts, the lubricating oil keeps providing lubrication to the bearing during the service life of the self-lubricating dynamic bearing, so that the self-lubricating dynamic bearing is free from Maintenance, reduce equipment maintenance costs.
图1为本发明提供的一种带有内部储油沟槽的免维护自润滑动轴承的分解结构示意图。Fig. 1 is a schematic diagram of an exploded structure of a maintenance-free self-lubricating dynamic bearing with an internal oil storage groove provided by the present invention.
图2为图1的带有内部储油沟槽的免维护自润滑动轴承的截面结构示意图。Fig. 2 is a schematic cross-sectional structure diagram of the maintenance-free self-lubricating dynamic bearing with an internal oil storage groove in Fig. 1 .
图3为本发明提供的具有3条径向储油沟槽的带有内部储油沟槽的免维护自润滑动轴承的分解结构示意图。Fig. 3 is a schematic diagram of an exploded structure of a maintenance-free self-lubricating dynamic bearing with internal oil storage grooves provided by the present invention with three radial oil storage grooves.
图4为本发明提供的内、外套部件都设置有沟槽的带有内部储油沟槽的免维护自润滑动轴承的分解结构示意图。Fig. 4 is a schematic diagram of an exploded structure of a maintenance-free self-lubricating dynamic bearing with internal oil storage grooves provided by the present invention with grooves provided on both the inner and outer outer parts.
图5为本发明提供的带有螺纹式储油沟槽的带有内部储油沟槽的免维护自润滑动轴承的分解结构示意图。Fig. 5 is a schematic diagram of an exploded structure of a maintenance-free self-lubricating dynamic bearing with an internal oil storage groove and a threaded oil storage groove provided by the present invention.
以下对本发明的具体实施例进行进一步详细说明。应当理解的是，此处对本发明实施例的说明并不用于限定本发明的保护范围。Specific embodiments of the present invention will be further described in detail below. It should be understood that the description of the embodiments of the present invention here is not intended to limit the protection scope of the present invention.
如图1至图5所示，其为本发明提供的一种带有内部储油沟槽的免维护自润滑动轴承的结构示意图。所述带有内部储油沟槽的免维护自润滑动轴承包括一个内套部件10，一个套设在所述内套部件10上的外套部件20，以及至少一条开设在所述内套部件10与外套部件20之间的储油沟槽30。可以想到的是，所述带有内部储油沟槽的免维护自润滑动轴承还包括润滑油等，另外其作为一个独立的零部件，根据实际使用要求安装在设备中，这些应当为本领域技术人员习知的技术，在此不再赘述。As shown in Fig. 1 to Fig. 5, it is a schematic structural diagram of a maintenance-free self-lubricating dynamic bearing with an internal oil storage groove provided by the present invention. The maintenance-free self-lubricating dynamic bearing with an internal oil storage groove includes an inner sleeve part 10, an outer sleeve part 20 sleeved on the inner sleeve part 10, and at least one and the oil storage groove 30 between the casing part 20 . It is conceivable that the maintenance-free self-lubricating dynamic bearing with an internal oil storage groove also includes lubricating oil, etc., and as an independent component, it is installed in the equipment according to actual use requirements. Techniques known to those skilled in the art will not be repeated here.
所述内套部件10包括一个轴套本体11，多个设置在所述轴套本体11上的镶嵌孔12，多个分别镶嵌在该镶嵌孔12中的固体自润滑圆柱粒13。所述轴套本体11可以由铜合金制成。该轴套本体11的直径大小以及壁厚应根据所应用的领域来设计，在本实施例中，也不对其进行限定。可以想到的是，所述轴套本体11是一个中空圆柱体。The inner sleeve part 10 includes a shaft sleeve body 11 , a plurality of inlay holes 12 provided on the shaft sleeve body 11 , and a plurality of solid self-lubricating cylindrical particles 13 respectively embedded in the inlay holes 12 . The sleeve body 11 can be made of copper alloy. The diameter and wall thickness of the sleeve body 11 should be designed according to the field of application, and are not limited in this embodiment. It is conceivable that the sleeve body 11 is a hollow cylinder.
所述镶嵌孔12开设在所述轴套本体11上，且皆为通孔，其所占用的面积为所述轴套本体11外表总面积的10％至36％。在本实施例中，所述镶嵌孔12占用的面积为所述轴套本体11外表总面积的26％。多个所述镶嵌孔12成排地开设在所述轴套本体11上。The inlay holes 12 are opened on the sleeve body 11 and are all through holes, occupying an area of 10% to 36% of the total surface area of the sleeve body 11 . In this embodiment, the area occupied by the inlay hole 12 is 26% of the total outer surface area of the sleeve body 11 . A plurality of the inserting holes 12 are opened on the sleeve body 11 in a row.
所述固体自润滑圆柱粒13的数量与所述镶嵌孔12的数量相同，其每一个固体自润滑圆柱粒13采用胶水粘接安装在相应的所述镶嵌孔12中。所述固体自润滑圆柱粒13可以由含有大量微孔的石墨材料制成，也可以由含有大量微孔的铜基粉末冶金材料制成。当所述固体自润滑圆柱粒13由石墨材料制成时，石墨含量大于80％。当所述固体自润滑圆柱粒13由铜基粉末冶金材料制成时，铜含量大于50％。所述固体自润滑圆柱粒13所含有的微孔用于吸附和存储润滑油，微孔的大小及数量，可以通过改变材料成分及生产工艺加以调整，这是现有技术而且不是本发明提出需要保护的内容，在此不再赘述。The number of the solid self-lubricating cylinders 13 is the same as the number of the inlay holes 12, and each of the solid self-lubricating cylinders 13 is installed in the corresponding inlay holes 12 by glue bonding. The solid self-lubricating cylindrical particles 13 can be made of graphite material containing a large number of pores, or copper-based powder metallurgy material containing a large number of pores. When the solid self-lubricating cylindrical particles 13 are made of graphite material, the graphite content is greater than 80%. When the solid self-lubricating cylinder 13 is made of copper-based powder metallurgy material, the copper content is greater than 50%. The micropores contained in the solid self-lubricating cylindrical particles 13 are used to absorb and store lubricating oil. The size and quantity of the micropores can be adjusted by changing the material composition and production process. This is the prior art and is not required by the present invention. The protected content will not be repeated here.
所述内套部件10还包括一个设置在所述轴套本体11轴向一端的法兰档边14，所述法兰档边14用于安装自润滑动轴承。所述法兰挡边14为现有技术，在此不再赘述。The inner sleeve part 10 also includes a flange rib 14 arranged at one end of the shaft sleeve body 11 in the axial direction, and the flange rib 14 is used for installing a self-lubricating dynamic bearing. The flange rib 14 is a prior art, and will not be repeated here.
所述外套部件20可以通过胶水粘结固定安装在所述内套部件10上，也可 以通过过盈配合的方式固定安装在所述内套部件10上。在本实施例中，所述外套部件20通过胶水粘结固定在所述内套部件10上。所述外套部件20可以由铜合金制造或由钢制造。本实施例中，所述外套部件由钢制造。当然为了加注润滑油，所述外套部件20上开设有一个注油孔21。The outer cover part 20 can be fixedly installed on the inner cover part 10 through glue bonding, and can also be fixedly installed on the inner cover part 10 through an interference fit. In this embodiment, the outer casing part 20 is fixed on the inner casing part 10 by glue bonding. The jacket part 20 can be produced from a copper alloy or from steel. In this embodiment, the casing part is made of steel. Of course, in order to add lubricating oil, an oil injection hole 21 is provided on the outer casing part 20 .
所述储油沟槽30设置在所述内套部件10的外表面，或是开设在所述外套部件20的内表面，或是同时开设在所述内套部件10的外表面和所述外套部件20的内表面。图1所示，1条径向储油沟槽30设置在所述外套部件20内圆柱面，该1条径向储油沟槽30与所有所述镶嵌孔12连通，从而可以将储油沟槽30中的润滑油输送到所述镶嵌孔12，进而使所述固体自润滑圆柱粒13的一端浸泡在润滑油中并由所述固体自润滑圆柱粒13吸收或存储，达到提高所述固体自润滑圆柱粒13润滑能力的目的。所述储油沟槽30的深度可以设置为0.5mm至2mm，根据实际需要及工艺要求确定。The oil storage groove 30 is arranged on the outer surface of the inner cover part 10, or is opened on the inner surface of the outer cover part 20, or is opened on the outer surface of the inner cover part 10 and the outer cover at the same time. inner surface of part 20. As shown in Figure 1, one radial oil storage groove 30 is arranged on the inner cylindrical surface of the outer casing part 20, and the one radial oil storage groove 30 communicates with all the inlaid holes 12, so that the oil storage groove can be The lubricating oil in the groove 30 is transported to the mosaic hole 12, and then one end of the solid self-lubricating cylinder 13 is immersed in the lubricating oil and absorbed or stored by the solid self-lubricating cylinder 13, so as to improve the solid The self-lubricating cylindrical particles 13 are for the purpose of lubricating ability. The depth of the oil storage groove 30 can be set to 0.5 mm to 2 mm, which is determined according to actual needs and process requirements.
图3所示的结构示意图采用3条径向分布的储油沟槽30，该3条储油沟槽30设置在所述外套部件20内圆柱面；在3条径向分布的储油沟槽30之间还设置有多条轴向储油沟槽30，这样所有的储油沟槽30连通在一起。当然，根据实际使用要求及工作环境，这些储油沟槽30可以仅仅部分连通在一起。The structural schematic diagram shown in Fig. 3 adopts 3 radially distributed oil storage grooves 30, and these 3 oil storage grooves 30 are arranged on the inner cylindrical surface of the outer jacket part 20; A plurality of axial oil storage grooves 30 are also arranged between the 30, so that all the oil storage grooves 30 are connected together. Of course, according to actual usage requirements and working environment, these oil storage grooves 30 may only be partly connected together.
在如图4的实施例中，储油沟槽30由设置在所述内套部件10外圆柱表面上的6条径向分布的储油沟槽15和设置在所述外套部件20内圆柱面上的4条轴向储油沟槽22组成，同样所有的储油沟槽30连通在一起。In the embodiment shown in FIG. 4 , the oil storage grooves 30 are composed of six radially distributed oil storage grooves 15 arranged on the outer cylindrical surface of the inner casing part 10 and arranged on the inner cylindrical surface of the outer casing part 20 4 axial oil storage grooves 22 on the top, and all the oil storage grooves 30 are connected together.
在如图5的实施例中，所述储油沟槽30采用螺纹结构。该螺纹储油沟槽30设置在外套部件20内圆柱面，并连通所有的所述镶嵌孔12，该螺纹储油沟槽30中的润滑油可以流通到所有安装在所述镶嵌孔12中的所述固体自润圆柱粒13。In the embodiment shown in FIG. 5 , the oil storage groove 30 adopts a thread structure. The threaded oil storage groove 30 is arranged on the inner cylindrical surface of the outer casing part 20 and communicates with all the inlay holes 12. The lubricating oil in the threaded oil storage groove 30 can flow to all the inlaid holes 12 The solid self-lubricating cylindrical particles 13 .
与现有技术相比，本发明提供的免维护自润滑动轴承，其外套部件20和内套部件10之间设置有内部储油沟槽30，该内部储油沟槽30与安装有固体自润滑圆柱粒13的镶嵌孔12连通，从而当所述内部储油沟槽30储存有润滑油时，其可以将润滑油输送到固体自润滑圆柱粒13，进而一方面使所述固体自润滑圆柱粒13的一端浸泡在润滑油中，提高了固体自润滑圆柱粒13的含油量，另一方面储存在储油沟槽30中的润滑油可以及时补充轴承在工作中，固体自润滑圆柱粒13中蒸发及流失的润滑油，从而提高了轴承与转轴之间的润滑效果，减少 摩擦阻力，减低轴承与转轴之间的磨损。由于润滑油存储在由所述内、外套部件之间的密封储油沟槽30中，该润滑油在所述自润滑动轴承使用寿命内保持向轴承提供润滑，从而使该自润滑动轴承免于维护，降低设备维护成本。Compared with the prior art, in the maintenance-free self-lubricating dynamic bearing provided by the present invention, an internal oil storage groove 30 is arranged between the outer casing part 20 and the inner casing part 10, and the internal oil storage groove 30 is connected with a solid self-lubricating bearing. The mosaic hole 12 of the lubricating cylinder 13 is connected, so that when the internal oil storage groove 30 stores lubricating oil, it can transport the lubricating oil to the solid self-lubricating cylinder 13, and then on the one hand, make the solid self-lubricating cylinder One end of the grain 13 is soaked in lubricating oil, which increases the oil content of the solid self-lubricating cylindrical grain 13. On the other hand, the lubricating oil stored in the oil storage groove 30 can replenish the bearing in time, and the solid self-lubricating cylindrical grain 13 The lubricating oil evaporated and lost in the middle, thereby improving the lubrication effect between the bearing and the rotating shaft, reducing frictional resistance, and reducing the wear between the bearing and the rotating shaft. Since the lubricating oil is stored in the sealed oil storage groove 30 between the inner and outer casing parts, the lubricating oil keeps providing lubrication to the bearing during the service life of the self-lubricating dynamic bearing, so that the self-lubricating dynamic bearing is free from Easy to maintain and reduce equipment maintenance costs.
以上仅为本发明的较佳实施例，并不用于局限本发明的保护范围，任何在本发明精神内的修改、等同替换或改进等，都涵盖在本发明的权利要求范围内。The above are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Any modification, equivalent replacement or improvement within the spirit of the present invention is covered by the claims of the present invention.
Claims (10)
- 一种带有内部储油沟槽的免维护自润滑动轴承，其特征在于：所述带有内部储油沟槽的免维护自润滑动轴承包括一个内套部件，一个套设在所述内套部件上的外套部件，以及至少一条开设在所述内套部件与外套部件之间的储油沟槽，所述内套部件包括一个轴套本体，多个设置在所述轴套本体上的镶嵌孔，以及多个分别镶嵌在所述镶嵌孔中的固体自润滑圆柱粒，所述储油沟槽与所述镶嵌孔相连通，所述储油沟槽用于储存润滑油并把润滑油输送到所述固体自润滑圆柱粒，所述固体自润滑圆柱粒含有大量微孔用于吸附润滑油。A maintenance-free self-lubricating dynamic bearing with an internal oil storage groove, characterized in that: the maintenance-free self-lubricating dynamic bearing with an internal oil storage groove includes an inner sleeve part, and one is sleeved in the inner sleeve The outer sleeve part on the sleeve part, and at least one oil storage groove opened between the inner sleeve part and the outer sleeve part, the inner sleeve part includes a shaft sleeve body, and a plurality of shaft sleeves arranged on the shaft sleeve body Inlaid holes, and a plurality of solid self-lubricating cylinders respectively embedded in the inlaid holes, the oil storage groove communicates with the inlaid holes, and the oil storage groove is used to store lubricating oil and transfer lubricating oil Transported to the solid self-lubricating cylindrical particles, the solid self-lubricating cylindrical particles contain a large number of micropores for absorbing lubricating oil.
- 如权利要求1所述的带有内部储油沟槽的免维护自润滑动轴承，其特征在于：多个所述镶嵌孔所占用的面积为所述轴套本体的外表总面积的10％至36％。The maintenance-free self-lubricating dynamic bearing with internal oil storage grooves according to claim 1, characterized in that: the area occupied by the plurality of inlaid holes is 10% to 10% of the total surface area of the shaft sleeve body 36%.
- 如权利要求1所述的带有内部储油沟槽的免维护自润滑动轴承，其特征在于：所述储油沟槽由多个沟槽组成，或者为单个沟槽。The maintenance-free self-lubricating moving bearing with an internal oil storage groove according to claim 1, wherein the oil storage groove is composed of multiple grooves, or is a single groove.
- 如权利要求1所述的带有内部储油沟槽的免维护自润滑动轴承，其特征在于：所述储油沟槽开设在所述内套部件的外表面，或是开设在所述外套部件的内表面，或是同时开设在所述内套部件的外表面和所述外套部件的内表面。The maintenance-free self-lubricating dynamic bearing with internal oil storage groove according to claim 1, characterized in that: the oil storage groove is set on the outer surface of the inner sleeve part, or is set on the outer surface The inner surface of the component, or the outer surface of the inner sleeve component and the inner surface of the outer sleeve component at the same time.
- 如权利要求1所述的带有内部储油沟槽的免维护自润滑动轴承，其特征在于：所述储油沟槽是螺纹槽。The maintenance-free self-lubricating dynamic bearing with an internal oil storage groove according to claim 1, wherein the oil storage groove is a screw groove.
- 如权利要求1所述的带有内部储油沟槽的免维护自润滑动轴承，其特征在于：所述内套部件通过胶水粘结固定安装在所述外套部件内，或通过过盈配合固定安装在所述外套部件内。The maintenance-free self-lubricating dynamic bearing with internal oil storage groove according to claim 1, characterized in that: the inner sleeve part is fixedly installed in the outer sleeve part through glue bonding, or is fixed through interference fit Installed within the jacket part.
- 如权利要求1所述的带有内部储油沟槽的免维护自润滑动轴承，其特征在于：所述固体自润滑圆柱粒采用胶水粘接安装在所述镶嵌孔中。The maintenance-free self-lubricating dynamic bearing with internal oil storage grooves according to claim 1, wherein the solid self-lubricating cylindrical particles are glued and installed in the inlaid holes.
- 如权利要求1所述的带有内部储油沟槽的免维护自润滑动轴承，其特征在于：所述固体自润滑圆柱粒为含有大量微孔的石墨材料或含有大量微孔的粉末冶金材料。The maintenance-free self-lubricating dynamic bearing with internal oil storage grooves according to claim 1, characterized in that: the solid self-lubricating cylindrical particles are graphite materials containing a large number of micropores or powder metallurgy materials containing a large number of micropores .
- 如权利要求1所述的带有内部储油沟槽的免维护自润滑动轴承，其特征在于：所述轴套本体由铜合金制造，所述外套部件由铜合金或钢制造。The maintenance-free self-lubricating dynamic bearing with internal oil storage groove according to claim 1, characterized in that: the bushing body is made of copper alloy, and the outer casing part is made of copper alloy or steel.
- 如权利要求1所述的带有内部储油沟槽的免维护自润滑动轴承，其特征在于：所述外套部件设置有注油孔。The maintenance-free self-lubricating dynamic bearing with an internal oil storage groove according to claim 1, wherein the outer casing part is provided with an oil injection hole.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110566182.9 | 2021-05-24 | ||
| CN202110566182.9A CN113266646A (en) | 2021-05-24 | 2021-05-24 | Maintenance-free self-lubricating dynamic bearing with internal oil storage groove |
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| Publication Number | Publication Date |
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| WO2022246928A1 true WO2022246928A1 (en) | 2022-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/CN2021/100526 WO2022246928A1 (en) | 2021-05-24 | 2021-06-17 | Maintenance-free self-lubricating plain bearing having internal oil storage groove |
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| CN (1) | CN113266646A (en) |
| WO (1) | WO2022246928A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1936894A (en) * | 1928-12-17 | 1933-11-28 | Robert H Whiteley | Heat responsive self-lubricating bearing and method of making the same |
| US2067034A (en) * | 1931-08-26 | 1937-01-05 | Robert H Whiteley | Heat responsive self-lubricating bearing |
| US5290617A (en) * | 1991-04-12 | 1994-03-01 | Toshiba Kikai Kabushiki Kaisha | Sliding structure for a high load |
| US20060257059A1 (en) * | 2005-05-16 | 2006-11-16 | Sankyo Oilless Industry, (Usa) Corp. | Self-lubricating bushings, bearings and bearings assemblies |
| CN204239474U (en) * | 2014-10-28 | 2015-04-01 | 温州人本汽车轴承股份有限公司 | A kind of self-lubricating oil-containing sliding bearing |
| CN205780319U (en) * | 2016-05-26 | 2016-12-07 | 安徽摩格恩轴承有限公司 | A kind of mixed lubrication formula bearing |
-
2021
- 2021-05-24 CN CN202110566182.9A patent/CN113266646A/en active Pending
- 2021-06-17 WO PCT/CN2021/100526 patent/WO2022246928A1/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1936894A (en) * | 1928-12-17 | 1933-11-28 | Robert H Whiteley | Heat responsive self-lubricating bearing and method of making the same |
| US2067034A (en) * | 1931-08-26 | 1937-01-05 | Robert H Whiteley | Heat responsive self-lubricating bearing |
| US5290617A (en) * | 1991-04-12 | 1994-03-01 | Toshiba Kikai Kabushiki Kaisha | Sliding structure for a high load |
| US20060257059A1 (en) * | 2005-05-16 | 2006-11-16 | Sankyo Oilless Industry, (Usa) Corp. | Self-lubricating bushings, bearings and bearings assemblies |
| CN204239474U (en) * | 2014-10-28 | 2015-04-01 | 温州人本汽车轴承股份有限公司 | A kind of self-lubricating oil-containing sliding bearing |
| CN205780319U (en) * | 2016-05-26 | 2016-12-07 | 安徽摩格恩轴承有限公司 | A kind of mixed lubrication formula bearing |
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