WO2013097501A1 - 轴承座及具有该轴承座的压路机振动轮 - Google Patents
轴承座及具有该轴承座的压路机振动轮 Download PDFInfo
- Publication number
- WO2013097501A1 WO2013097501A1 PCT/CN2012/081916 CN2012081916W WO2013097501A1 WO 2013097501 A1 WO2013097501 A1 WO 2013097501A1 CN 2012081916 W CN2012081916 W CN 2012081916W WO 2013097501 A1 WO2013097501 A1 WO 2013097501A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wall
- oil
- oil guiding
- bearing
- bearing housing
- 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.)
- Ceased
Links
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
- E01C19/28—Vibrated rollers or rollers subjected to impacts, e.g. hammering blows
- E01C19/286—Vibration or impact-imparting means; Arrangement, mounting or adjustment thereof; Construction or mounting of the rolling elements, transmission or drive thereto, e.g. to vibrator mounted inside the roll
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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
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/664—Retaining the liquid in or near the bearing
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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
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
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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
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/14—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means
- F16N7/26—Splash lubrication
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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
- 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
- F16C19/24—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 radial load mainly
- F16C19/26—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 radial load mainly with a single row of rollers
Definitions
- the present invention relates to the field of vibratory rollers, and more particularly to a bearing housing and a roller vibrating wheel having the bearing housing. Background technique
- the vibratory roller is an important equipment for compacting the road surface during road construction.
- the vibratory roller touches the ground with the vibrating wheel, and applies a rolling pressure to the paving layer material with a linear load accompanied by high-frequency vibration, as the number of rolling increases The material is gradually compacted.
- the vibrating wheel is an extremely important component for vibrating compaction.
- the bearings in the vibrating wheel are mounted in the housing.
- the working conditions of the bearings in the vibrating wheel are very harsh, especially for large-tonnage road rollers, where the bearings are rotated at high speeds under alternating load conditions of up to 400 KN.
- the bearings usually generate a large amount of heat. If the heat cannot be dissipated in time, the bearing life will be directly reduced, which will affect the reliability of the roller.
- FIG. 1 there is shown a schematic structural view of a conventional vibrating wheel bearing housing 90 for accommodating a bearing 91.
- An oil guiding hole 92 is provided in the vibrating wheel bearing housing 90.
- the oil guiding hole 92 includes an axial oil guiding hole 93 provided on the outer circumference of the bearing 91, and a radial oil guiding hole 93 provided at the end surface of the vibration bearing 91.
- the cooling lubricant enters the oil guiding hole 92 through the splash from the outside of the vibrating wheel bearing housing 90, and enters the bearing 91 when the vibrating wheel bearing housing 90 is in operation.
- the vibrating wheel bearing housing 90 can provide a certain heat dissipation effect on the bearing 91, but for the vibrating wheel bearing housing 90, the cooling lubricating oil enters the guide from the outside of the vibrating wheel bearing housing 90 by splashing.
- the oil hole 92 has a limited amount of oil entering the oil guiding hole 92, and the amount of oil entering the bearing 91 is more limited, so that the heat dissipation problem of the vibration bearing 91 cannot be completely solved.
- an object of the present invention is to provide a bearing housing capable of bringing a large amount of lubricating oil to a bearing to solve the problem of heat dissipation of the bearing.
- Another object of the present invention is to provide a roller vibrating wheel having a bearing housing capable of bringing a large amount of lubricating oil to a bearing to solve the problem of heat dissipation of the bearing.
- the present invention provides a bearing housing including a cylindrical portion having an outer wall and an inner wall, the inner wall of the cylindrical portion enclosing a bearing receiving cavity, and the fixing portion from the outer wall of the tubular portion Radially extending outwardly, the bearing housing further includes an oil baffle, a plurality of ribs, and a plurality of oil guiding plates extending outward from the outer wall of the cylindrical portion, wherein the ribs are disposed at Between the fixing portion, the outer wall of the tubular portion, and the oil deflector, each of the oil guiding plates is disposed between the fixing portion and the oil retaining plate, and is not associated with each of the ribs One end of the outer wall of the tubular portion is in contact with each other, and the oil guiding plate, the outer wall of the cylindrical portion, the fixing portion, and the oil retaining plates enclose an oil reservoir that is not completely closed, in the cylindrical portion A plurality of oil guiding holes are disposed between the outer wall and the inner wall, and each of the oil guiding holes communicate
- the bearing housing further includes a plurality of oil guiding grooves formed on an inner wall of the cylindrical portion, each of the oil guiding grooves extending from one end of the cylindrical portion to the other end, and each of the plurality of oil guiding grooves The oil guiding holes are respectively connected.
- the aforementioned bearing housing further includes at least one circumferential oil guiding groove formed on an inner wall of the cylindrical portion, the circumferential oil guiding groove being circumferentially along an inner wall of the cylindrical portion Extending and communicating with each of the oil guiding holes.
- a pair of oil guiding holes located at two sides of each of the ribs have upper ends on opposite sides of the ribs on the outer wall of the cylindrical portion, and lower ends in the tubes The inner walls of the joints meet.
- a plurality of the foregoing oil guiding plates are uniformly distributed annularly discontinuously on the outer periphery of the outer wall of the cylindrical portion, and each of the oil guiding plates extends into an arc on both sides of each of the reinforcing plates. shape.
- the present invention also provides a bearing housing comprising a tubular portion having an outer wall and an inner wall, the inner portion of the cylindrical portion enclosing a bearing receiving cavity, and the fixing portion from the tubular portion
- the outer wall extends radially outwardly
- the fixing portion is disposed at a middle portion of the cylindrical portion
- the bearing housing further includes two oil retaining plates, a plurality of rib plates, and a plurality of oil guiding plates, the two oil retaining plates Extending outwardly from both sides of the outer wall and the fixing portion of the tubular portion, a plurality of the ribs are disposed on both sides of the fixing portion; on both sides of the fixing portion, each of the ribs is disposed at Between the fixing portion, the outer wall of the tubular portion and the oil deflector; a plurality of the oil guiding plates are disposed on both sides of the fixing portion; on both sides of the fixing portion, each of the oil guiding plates is disposed Between the fixing portion and the oil deflector, and an
- the bearing housing further includes a plurality of oil guiding grooves formed on an inner wall of the cylindrical portion, each of the oil guiding grooves extending from one end of the cylindrical portion to the other end, and Each of the oil guiding holes on both sides of the fixing portion communicates with each other.
- the aforementioned bearing housing further includes a plurality of circumferential oil guiding grooves formed on an inner wall of the cylindrical portion, the circumferential oil guiding groove extending in a circumferential direction thereof along an inner wall of the cylindrical portion And communicating with each of the oil guiding holes located at two sides of the fixing portion.
- a pair of oil guiding holes located at two sides of each of the ribs have upper ends on opposite sides of the ribs on the outer wall of the cylindrical portion, and lower ends in the tubes The inner walls of the joints meet.
- a plurality of the oil guiding plates located on both sides of the fixing portion are uniformly distributed in a ring shape discontinuously on the outer periphery of the outer wall of the cylindrical portion, and each of the oil guiding plates is in each The ribs extend on both sides in an arc shape.
- the invention also provides a roller vibration wheel, comprising a vibration shaft, a bearing supporting the vibration shaft, a bearing seat supporting the bearing, and a vibration wheel body, wherein the vibration wheel body comprises an outer ring, and the outer ring is disposed on the outer ring An inner ring disposed between the outer ring and the inner ring, an outer auxiliary plate connecting the outer ring and the inner ring, and an inner auxiliary plate disposed in the inner ring, wherein the bearing seats are respectively disposed at the inner ring
- the outer auxiliary plate and the inner auxiliary plate in the vibrating wheel body, the bearing seat disposed on the inner and outer auxiliary plates of the vibrating wheel is the aforementioned bearing seat, and the bearing seat disposed on the inner auxiliary plate of the vibrating wheel body is the aforementioned Bearing housing.
- a bearing housing is provided on the inner and outer auxiliary plates of the vibrating wheel body, and a side having the oil reservoir is disposed toward the inner auxiliary plate.
- the invention has the beneficial effects that the bearing seat of the invention and the vibrating wheel of the road roller can continuously bring a large amount of lubricating oil source to the bearing, thereby achieving the effect of lubricating the bearing, reducing the temperature of the bearing and prolonging the service life of the bearing.
- FIG. 1 is a schematic structural view of a conventional vibrating wheel bearing housing.
- Figure 2 is a front elevational view of a preferred embodiment of the bearing housing of the present invention.
- Figure 3 is a schematic cross-sectional view of the bearing housing of Figure 2 in a ⁇ - ⁇ direction.
- Figure 4 is a schematic cross-sectional view showing a second embodiment of the bearing housing of the present invention.
- Fig. 5 is a schematic view showing the structure of a vibrating wheel of a road roller to which a bearing housing according to an embodiment of the present invention is applied. detailed description
- the bearing housing 1 of the embodiment of the present invention includes a cylindrical portion 10, a fixing portion 12, a plurality of ribs 14, two oil retaining plates 16, and a plurality of oil guiding plates 18.
- the cylindrical portion 10 is a hollow cylindrical body open at both ends, having an outer wall 101, an inner wall 102, and a cylindrical bearing accommodating cavity 103 surrounded by the inner wall 102.
- a pair of bearings 2 are housed in the bearing receiving chamber 103 (see Fig. 3).
- the fixing portion 12 extends radially outward from the central portion of the outer wall 101 of the cylindrical portion 10 and has an annular shape.
- a plurality of through-hole axial fixing holes 122 are evenly distributed along the circumference of the fixing portion 12, and the bearing block 1 can be fixed to the vibrating wheel body of the vibratory roller by bolts (not shown) or the like through the fixing holes 122. Therefore, the fixing portion 12 functions in axial and radial directions.
- a plurality of ribs 14 are axially disposed between the fixing portion 12 and the outer wall 101 of the cylindrical portion 10, and connect the fixing portion 12 and the outer wall 101 of the cylindrical portion 10.
- a plurality of ribs 14 are evenly distributed on both sides of the fixing portion 12, and are evenly distributed around the outer wall 101 of the cylindrical portion 10.
- Each of the ribs 14 has a substantially trapezoidal shape, and its longer bottom edge is in contact with the fixing portion 12, and the waist perpendicular to the bottom edge is in contact with the outer wall 101 of the cylindrical portion 10. The provision of the ribs 14 can increase the overall rigidity of the bearing housing and better transmit the exciting force.
- the cylindrical portion 10, the fixing portion 12, and the plurality of ribs 14 are preferably integrally formed at the time of casting, or may be separate members which are fixed together by welding or the like.
- the two oil retaining plates 16 have the same shape and are annular, and are respectively fixedly disposed at both ends of the tubular portion 10 by welding or the like, and are disposed coaxially with the tubular portion 10, and the inner diameter thereof is greater than or equal to the cylindrical portion 10. Inner diameter.
- the two oil baffles 16 are respectively in contact with the shorter bottom edges of the plurality of ribs 14 disposed on both sides of the fixing portion 12, that is, the ribs 14 are disposed on the fixing portion 12, the outer wall 101 of the cylindrical portion 10, and the oil retaining plate 16 between.
- a plurality of oil guiding plates 18 are evenly distributed on both sides of the fixing portion 12, and are uniformly distributed annularly discontinuously on the outer periphery of the outer wall 101 of the cylindrical portion 10.
- the oil guiding plates 18 are obliquely disposed between the outer periphery of the oil retaining plate 16 and the fixing portion 12, and the oil guiding plates 18 are in contact with the waist portions of the ribs 14 which are not perpendicular to the bottom edges thereof.
- Each of the oil guiding plates 18 extends in an arc shape on both sides of each of the ribs 14.
- a plurality of oil guiding plates 18 are fixed between the outer periphery of the oil retaining plate 16 and the fixing portion 12 by welding or the like, respectively.
- oil reservoir 19 having an opening.
- a plurality of oil reservoirs 19 are also uniformly distributed on both sides of the fixed portion 12, and are evenly distributed around the outer wall 101 of the cylindrical portion 10, and are shaped and distributed similarly to a waterwheel.
- the two oil reservoirs 19 located on both sides of each of the ribs 14 are symmetrically arranged with respect to the ribs 14, and their openings are opposite in direction.
- oil guiding holes 104 oil guiding grooves 105, and circumferential oil guiding grooves 106 are provided in the cylindrical portion 10.
- a plurality of oil guiding holes 104 are provided between the outer wall 101 and the inner wall 102 of the cylindrical portion 10 so as to extend substantially in the radial direction. Each of the oil guiding holes 104 communicates each of the oil reservoirs 19 with the bearing accommodating chamber 103 in the cylindrical portion 10, respectively.
- the plurality of oil guiding holes 104 are evenly distributed on both sides of the fixing portion 12, and the two sets of oil guiding holes 104 on both sides of the fixing portion 12 are evenly distributed on the annular section perpendicular to the axis of the cylindrical portion 10, respectively. distributed.
- a pair of oil guiding holes 104 on both sides of each of the ribs 14 are preferably located on the outer wall 101 of the cylindrical portion 10 on both sides of the rib 14 and the lower ends thereof are joined at the inner wall 102 of the cylindrical portion 10.
- a plurality of oil guiding grooves 105 are uniformly formed on the inner wall 102 of the cylindrical portion 10, and extend axially along the inner wall 102 of the cylindrical portion 10, extending from one end to the other end of the cylindrical portion.
- the oil guiding grooves 105 are in contact with the lower ends of the two oil guiding holes 104 located on both sides of each of the ribs 14, and are in communication.
- the circumferential oil guiding groove 106 is opened on the inner wall 102 of the cylindrical portion 10, and along the cylindrical portion 10
- the inner wall 102 extends in the circumferential direction thereof.
- the bearing housing 1 has two circumferential oil guiding grooves 106 on both sides of the fixing portion 12, and respectively communicate with the oil guiding grooves 105, and preferably respectively on both sides of the fixing portion 12, on both sides of the ribs 14
- the lower ends of the two oil guiding holes 104 are connected to each other. That is, each of the pair of oil guiding holes 104, each of the oil guiding grooves 105, and each of the circumferential oil guiding grooves 106 communicate with each other.
- the other components are the same as in the first embodiment, except that the bearing housing is only used to support one bearing, that is, only fixed.
- One side of the portion 12' is provided with a rib 14', a slinger 16', an oil guide 18', and an oil guiding hole 104' and a circumferential oil guiding groove 106', and the other side of the fixing portion 12' is not provided. element.
- the tubular portion 10 is also located only on one side of the fixed portion 12, and the cylindrical portion 10 and the end portion of the fixed portion 12 are flush with the fixed portion 12'. That is, the fixing portion 12' extends radially outward from the end of the outer wall 10' of the cylindrical portion 10' and is annular.
- a roller vibration wheel to which the bearing housing 1 of the first embodiment of the present invention and the bearing housing ⁇ of the second embodiment of the present invention are applied includes a vibration shaft 4, and bearings 2 and 2' supporting the vibration shaft 4 , the bearing housings 1 and ⁇ supporting the bearings 2 and 2', and the vibrating wheel body 3.
- the vibrating wheel body 3 includes an outer ring 31, an inner ring 33, an outer auxiliary plate 35, and an inner auxiliary plate 37.
- the outer ring 31 and the inner ring 33 are hollow cylinders which are open at both ends, and the inner ring 33 has a diameter smaller than the diameter of the outer ring 31 and is coaxially disposed with the outer ring 31.
- An outer auxiliary plate 35 is annular, disposed between the outer ring 31 and the inner ring 33, and connects the outer ring 31 and the inner ring 33.
- the inner auxiliary plate 37 is annular and disposed in the inner ring 33 and located in the middle of the inner ring 33.
- the bearing housing 1 of the first embodiment of the present invention is fixed in the inner sub-plate 37 of the vibrating wheel body 3 by bolts (not shown), and a pair of bearings 2 are provided in the bearing housing 1.
- a bearing housing ⁇ according to a second embodiment of the present invention is disposed in each of the two outer auxiliary plates 35 of the vibrating wheel body 3, and the bearing housing ⁇ is fixed to the outer auxiliary plate 35 by bolts, and has a side of the oil storage chamber 19' It is disposed toward the direction of the inner sub-board 37.
- a bearing 2' is placed in the bearing housing ⁇ .
- the two vibrating shafts 4 are respectively disposed between the bearing 2' in the bearing housing ⁇ on the outer sub-plate 35 and one bearing 2 in the bearing housing 1 in the inner sub-plate 37, and each of the vibrating shafts 4 is provided with an eccentric block 41.
- the inner auxiliary plate 37 of the vibrating wheel 3 two Two independent closed spaces are formed between the bearing housings and the bearing housing 1, and a certain amount of cooling lubricating oil is previously placed in the two spaces, and the lubricating oil forms a lubricating oil zone at the bottom of the space. .
- both the bearing housings ⁇ and the bearing housing 1 rotate with the vibrating wheel body 3.
- a plurality of oil storage chambers 19 in the clockwise direction of the bearing housing 1 sequentially enter the lubricating oil zone 39, and a certain amount of lubricating oil is carried out when the oil storage chamber 19 leaves the lubricating oil zone 39, with further rotation of the bearing housing 1
- the oil storage chamber 19 reaches a certain height (substantially to a horizontal position)
- the lubricating oil in the oil storage chamber 19 starts to flow into the bearing receiving chamber 103 through the oil guiding hole 104, and flows through the oil guiding groove 105 and the circumferential oil guiding groove 106 to Around the bearing 2, take away the heat of the bearing 2.
- the lubricating oil will flow back to the lubricating oil zone 39, and after cooling, it will be taken out by the oil storage chamber 19.
- a plurality of oil reservoirs 19' in the clockwise opening toward the clockwise direction enter the lubricating oil zone 39 in sequence, and with a certain amount of lubricating oil when the oil reservoir 19' leaves the lubricating oil zone 39, when the oil reservoir 19 'After reaching a certain height (substantially to the horizontal position), the lubricating oil in the oil reservoir 19' begins to flow into the bearing accommodating chamber 103' through the oil guiding hole 104', and flows through the oil guiding groove 105' and the circumferential oil guiding groove 106'. To the bearing 2' around.
- each pair of oil guiding holes 104 may not communicate with each oil guiding groove 105 and each circumferential oil guiding groove 106, but each pair of oil guiding holes 104 is in communication with each of the oil guiding grooves 105, but is not in communication with the circumferential oil guiding groove 106, and each oil guiding groove 105 is in communication with the circumferential oil guiding groove 106; or each pair of oil guiding holes 104 is in communication with the circumferential oil guiding groove 106, but is not in communication with the oil guiding groove 105.
- each of the oil guiding grooves 105 communicates with the circumferential oil guiding groove 106.
- the lower ends of the respective oil guiding holes 104 may not be in contact with each other, but communicate with the respective oil guiding grooves 105, and the axes of the respective oil guiding holes 104 may not be on the same plane, but may be staggered.
- the plurality of oil guiding grooves 105 may extend non-axially on the inner wall 102 of the tubular portion 10, but may extend obliquely, for example, in a spiral shape.
- the circumferential oil guiding groove 106 may not be located on a plane perpendicular to the axis of the inner wall 102 of the cylindrical portion 10, but may be inclined.
- the bearing housing of the preferred embodiment of the present invention can be applied not only to the vibrating wheel of the vibratory roller, but also to other machines that need to dissipate heat for the bearings in the bearing housing, such as a high temperature pump.
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Abstract
一种轴承座(1),包括筒状部(10)和固定部(12),筒状部(10)具有外壁(101)和内壁(102),筒状部(10)的内壁(102)围成轴承容置腔(103),固定部(12)自筒状部(10)的外壁(101)径向向外延伸,轴承座(1)还包括挡油板(16)、若干筋板(14),以及若干导油板(18),挡油板(16)自筒状部(10)的外壁(101)向外延伸,各筋板(14)设置在固定部(12)、筒状部(10)的外壁(101)和挡油板(16)之间,各导油板(18)设置在固定部(12)和挡油板(16)之间,并与各筋板(14)不与筒状部(10)的外壁(101)相接的一端相接,各导油板(18)、筒状部(10)的外壁(101)、固定部(12),和各挡油板(16)围成不完全封闭的储油腔(19),在筒状部(10)的外壁(101)和内壁(102)之间还设有若干贯通设置的导油孔(104),各导油孔(104)将各储油腔(19)与轴承容置腔(103)连通。一种压路机振动轮,具有上述轴承座(1)。采用这种轴承座(1)及具有该轴承座(1)的压路机振动轮,能够将大量润滑油带给轴承,从而解决轴承散热问题。
Description
轴承座及具有该轴承座的压路机振动轮
技术领域
本发明是关于振动压路机领域, 且特别是关于一种轴承座及具有该轴 承座的压路机振动轮。 背景技术
振动压路机是道路施工中用于压实路面的重要设备, 振动压路机以振 动轮触地, 以一定的伴随有高频振动的线性载荷对铺筑层材料施加滚压力, 随着滚压次数的增加, 材料被逐渐压实。
振动轮是实现振动压实作用的极其重要的部件。 目前, 振动轮内的轴 承都是安装在轴承座内。 振动轮内的轴承的工作条件十分恶劣, 尤其是对 大吨位压路机而言, 轴承要在承载重达 400KN以上的交变载荷条件下高速 旋转。 在这样的工作环境下, 轴承通常会产生大量的热量, 如果这些热量 不能及时的散发出去, 将直接降低轴承的使用寿命, 进而影响压路机整机 的可靠性。
为了改善轴承的工作条件, 业界已经提出了一些解决方案, 即对轴承 座的结构进行改进, 采用冷却润滑油对轴承散热。
请参阅图 1所示, 即为一种现有的振动轮轴承座 90的结构示意图, 该 振动轮轴承座 90用于容纳轴承 91。在该振动轮轴承座 90内设有导油孔 92, 导油孔 92包括设置在轴承 91外周的轴向导油孔 93, 以及设置在振动轴承 91端面的径向导油孔 93。 冷却润滑油从振动轮轴承座 90外部通过飞溅进 入导油孔 92, 并在振动轮轴承座 90工作时进入轴承 91内。
这种振动轮轴承座 90能够对轴承 91起到一定的散热作用, 但是对于 这种振动轮轴承座 90,冷却润滑油通过飞溅从振动轮轴承座 90外部进入导
油孔 92, 进入导油孔 92的油量有限, 进入轴承 91的油量就更加有限, 因 此不能彻底解决振动轴承 91的散热问题。 发明内容
针对上述问题, 本发明的目的是提供一种能够将大量润滑油带给轴承, 从而解决轴承散热问题的轴承座。
本发明的另一目的是提供一种具有能够将大量润滑油带给轴承, 从而 解决轴承散热问题的轴承座的压路机振动轮。
本发明提供一种轴承座, 包括筒状部和固定部, 所述筒状部具有外壁 和内壁, 所述筒状部的内壁围成轴承容置腔, 所述固定部自筒状部的外壁 径向向外延伸, 所述轴承座还包括挡油板、 若干筋板, 以及若干导油板, 所述挡油板自所述筒状部的外壁向外延伸, 各所述筋板设置在所述固定部、 筒状部的外壁和所述挡油板之间, 各所述导油板设置在所述固定部和所述 挡油板之间, 并与各所述筋板不与所述筒状部的外壁相接的一端相接, 各 所述导油板、 筒状部的外壁、 固定部, 和各挡油板围成不完全封闭的储油 腔, 在所述筒状部的外壁和内壁之间还设有若干贯通设置的导油孔, 各所 述导油孔将各所述储油腔与所述轴承容置腔连通。
在本发明的一个实施例中, 前述的轴承座还包括开设在所述筒状部的 内壁上的若干导油槽, 各所述导油槽从筒状部的一端延伸到另一端, 并与 各所述导油孔分别连通。
在本发明的一个实施例中, 前述的轴承座还包括开设在所述筒状部的 内壁上的至少一个圆周导油槽, 所述圆周导油槽沿着所述筒状部的内壁在 其圆周方向延伸, 并与各所述导油孔连通。
在本发明的一个实施例中, 位于各前述的筋板两侧的一对导油孔, 其 上端分别位于所述筒状部的外壁上所述筋板两侧, 而其下端在所述筒状部 的内壁处相接。
在本发明的一个实施例中, 若干前述的导油板在所述筒状部的外壁外 围呈环状不连续地均匀分布, 各所述导油板在各所述筋板两侧延伸成弧形。
本发明还提供一种轴承座, 包括筒状部和固定部, 所述筒状部具有外 壁和内壁, 所述筒状部的内壁围成轴承容置腔, 所述固定部自筒状部的外 壁径向向外延伸, 所述固定部设置在所述筒状部的中部, 所述轴承座还包 括两块挡油板、 若干筋板, 以及若干导油板, 所述两块挡油板自所述筒状 部的外壁、 固定部的两侧向外延伸, 若干所述筋板设置在所述固定部的两 侧; 在所述固定部的两侧, 各所述筋板设置在所述固定部、 筒状部的外壁 和所述挡油板之间; 若干所述导油板设置在所述固定部的两侧; 在所述固 定部的两侧, 各所述导油板设置在所述固定部和所述挡油板之间, 并与各 所述筋板不与所述筒状部的外壁相接的一端相接, 各所述导油板、 筒状部 的外壁、 固定部, 和各挡油板围成不完全封闭的储油腔, 在所述筒状部的 外壁和内壁之间还设有若干贯通设置的导油孔, 各所述导油孔将各所述储 油腔与所述轴承容置腔连通。
在本发明的一个实施例中, 前述的轴承座还包括开设在所述筒状部的 内壁上的若干导油槽, 各所述导油槽从筒状部的一端延伸到另一端, 并与 位于所述固定部两侧的各所述导油孔分别连通。
在本发明的一个实施例中, 前述的轴承座还包括开设在所述筒状部的 内壁上的若干圆周导油槽, 所述圆周导油槽沿着所述筒状部的内壁在其圆 周方向延伸, 并分别与位于所述固定部两侧的各所述导油孔连通。
在本发明的一个实施例中, 位于各前述的筋板两侧的一对导油孔, 其 上端分别位于所述筒状部的外壁上所述筋板两侧, 而其下端在所述筒状部 的内壁处相接。
在本发明的一个实施例中, 位于前述的固定部两侧的若干所述导油板 分别在所述筒状部的外壁外围呈环状不连续地均匀分布, 各所述导油板在 各所述筋板两侧延伸成弧形。
本发明还提供一种压路机振动轮, 包括振动轴, 支撑所述振动轴的轴 承, 支撑所述轴承的轴承座, 以及振动轮体, 所述振动轮体包括外圈, 设 置在所述外圈内的内圈, 设置在所述外圈和内圈之间, 连接所述外圈和内 圈的一对外辅板, 以及设置在内圈内的内辅板, 所述轴承座分别设置在所 述振动轮体内的外辅板以及内辅板上, 设置在所述振动轮体内外辅板上的 轴承座是前述的轴承座, 设置在所述振动轮体内内辅板上的轴承座是前述 的轴承座。
在本发明的一个实施例中, 设置在前述的振动轮体内外辅板上的轴承 座, 其具有储油腔的一侧朝向所述内辅板的方向设置。
本发明的有益效果是, 采用本发明的轴承座及压路机振动轮, 能够将 大量的润滑油源源不断的带给轴承, 达到润滑轴承的效果, 降低轴承的温 度, 延长轴承的使用寿命。
上述说明仅是本发明技术方案的概述, 为了能够更清楚了解本发明的 技术手段, 而可依照说明书的内容予以实施, 并且为了让本发明的上述和 其它目的、 特征和优点能够更明显易懂, 以下特举实施例, 并配合附图, 详细说明如下。 附图说明
图 1是现有的振动轮轴承座的结构示意图。
图 2是本发明轴承座的较佳实施例的主视示意图。
图 3是图 2中的轴承座 ΙΠ-ΙΠ向的截面示意图。
图 4是本发明轴承座的第二实施例的截面示意图。
图 5是应用本发明实施例的轴承座的压路机振动轮的结构示意图。 具体实施方式
为更进一步阐述本发明为达成预定发明目的所采取的技术手段及功
效, 以下结合附图及较佳实施例, 对依据本发明提出的轴承座及具有该轴 承座的压路机振动轮的具体实施方式、 结构、 特征及其功效, 详细说明如 下:
有关本发明的前述及其它技术内容、 特点及功效, 在以下配合参考图 式的较佳实施例的详细说明中将可清楚呈现。 通过具体实施方式的说明, 当可对本发明为达成预定目的所采取的技术手段及功效得以更加深入且具 体的了解, 然而所附图式仅是提供参考与说明之用, 并非用来对本发明加 以限制。
请参照图 2至和图 3所示, 本发明实施例的轴承座 1包括筒状部 10、 固定部 12、 若干筋板 14、 两块挡油板 16, 以及若干导油板 18。
筒状部 10是两端开口的中空圆柱体, 其具有外壁 101、 内壁 102, 以 及由内壁 102围成的圆柱形轴承容置腔 103。一对轴承 2容置在轴承容置腔 103内 (见图 3 )。
固定部 12 自筒状部 10的外壁 101中部径向向外延伸, 呈环状。 在固 定部 12上沿其圆周均匀分布有多个贯通的轴向固定孔 122, 通过该固定孔 122, 可采用螺栓(图未示)等将轴承座 1固定在振动压路机的振动轮体上。 因此, 固定部 12起轴向和径向定位作用。
若干筋板 14轴向设置在固定部 12和筒状部 10的外壁 101之间, 连接 固定部 12和筒状部 10的外壁 101。若干筋板 14在固定部 12两侧均匀分布, 并且在筒状部 10的外壁 101周围均匀分布。 各筋板 14大致呈直角梯形形 状, 其较长的底边与固定部 12相接, 其与底边垂直的腰与筒状部 10的外 壁 101相接。设置筋板 14可以增加轴承座整体的刚度,更好的传递激振力。
筒状部 10、 固定部 12, 以及若干筋板 14优选在铸造时一体成型而成, 也可以是分开的元件, 通过焊接等方式固定在一起。
两块挡油板 16形状相同, 均呈环状, 分别通过焊接等方式固定设置在 筒状部 10两端, 并与筒状部 10同轴设置, 其内径大于或者等于筒状部 10
的内径。 两块挡油板 16分别与设置在固定部 12两侧的若干筋板 14较短的 底边相接, 即筋板 14设置在固定部 12、 筒状部 10的外壁 101和挡油板 16 之间。
若干导油板 18在固定部 12两侧均匀分布,并且在筒状部 10的外壁 101 外围呈环状不连续地均匀分布。 各导油板 18倾斜地设置在挡油板 16的外 周与固定部 12之间, 并且各导油板 18与各筋板 14不与其底边垂直的腰对 应相接。 各导油板 18在各筋板 14两侧延伸成弧形。 若干导油板 18分别通 过焊接等方式固定在挡油板 16的外周与固定部 12之间。
这样,在各筋板 14两侧, 由该筋板 14、与该筋板 14相接的导油板 18, 以及筒状部 10、 固定部 12, 和挡油板 16共同围成了不完全封闭, 具有开 口的储油腔 19。 若干储油腔 19同样在固定部 12两侧均匀分布, 并且在筒 状部 10的外壁 101周围均匀分布, 其形状及分布类似于水车。 并且位于各 筋板 14两侧的两个储油腔 19相对于该筋板 14对称布置,其开口方向相反。
另外, 在筒状部 10内还设有若干导油孔 104、 导油槽 105, 以及圆周 导油槽 106。
若干导油孔 104贯通设置在筒状部 10的外壁 101和内壁 102之间, 大 致沿径向延伸。 各导油孔 104分别将各储油腔 19与筒状部 10内的轴承容 置腔 103连通。 在本实施例中, 若干导油孔 104同样在固定部 12两侧均匀 分布, 并且固定部 12两侧的两组导油孔 104分别在筒状部 10垂直于其轴 线的环状截面上均匀分布。 位于各筋板 14两侧的一对导油孔 104, 优选其 上端分别位于筒状部 10的外壁 101上该筋板 14两侧, 而其下端在筒状部 10的内壁 102处相接。
若干导油槽 105均匀地开设在筒状部 10的内壁 102上, 并且沿着筒状 部 10的内壁 102轴向延伸, 从筒状部的一端延伸到另一端。 各导油槽 105 与位于各筋板 14两侧的两个导油孔 104相接的下端相接, 并且连通。
圆周导油槽 106开设在筒状部 10的内壁 102上, 并且沿着筒状部 10
的内壁 102在其圆周方向延伸。 在本实施例中, 轴承座 1具有两个圆周导 油槽 106, 位于固定部 12两侧, 并且分别与各导油槽 105连通, 并且优选 分别与固定部 12两侧, 各筋板 14两侧的两个导油孔 104相接的下端相接。 即, 各对导油孔 104与各导油槽 105, 以及各圆周导油槽 106均相互连通。
请参照图 4所示, 在本发明轴承座的第二实施例中, 其它元件均与第 一实施例中相同, 不同之处在于, 该轴承座 Γ 仅用于支承一个轴承, 即仅 在固定部 12' 的一侧设置筋板 14'、 挡油板 16'、 导油板 18 ', 以及导油孔 104' 和圆周导油槽 106', 而在固定部 12' 的另一侧不设置上述元件。 并 且筒状部 10, 也仅位于固定部 12, 的一侧, 筒状部 10, 与固定部 12, 相 接的一端与固定部 12' 平齐设置。 亦即, 固定部 12' 自筒状部 10' 的外壁 10Γ 末端径向向外延伸, 呈环状。
请参照图 5所示, 应用本发明第一实施例的轴承座 1和本发明第二实 施例的轴承座 Γ 的压路机振动轮包括振动轴 4, 支撑所述振动轴 4的轴承 2和 2', 支撑所述轴承 2和 2' 的轴承座 1和 Γ , 以及振动轮体 3。
振动轮体 3包括外圈 31、 内圈 33、 外辅板 35、 内辅板 37。 外圈 31和 内圈 33均为两端开口的中空圆柱体, 内圈 33的直径小于外圈 31的直径, 并与外圈 31 同轴设置。 一对外辅板 35呈环状, 设置在外圈 31和内圈 33 之间, 连接外圈 31和内圈 33。 内辅板 37呈环状, 设置在内圈 33内, 位于 内圈 33中部。
本发明第一实施例的轴承座 1 通过螺栓 (图未示) 固定在振动轮体 3 的内辅板 37内, 在轴承座 1内设置一对轴承 2。 在振动轮体 3的两个外辅 板 35内分别设置一个本发明第二实施例的轴承座 Γ , 轴承座 Γ 通过螺栓 固定在外辅板 35上, 并且其具有储油腔 19' 的一侧朝向内辅板 37的方向 设置。 在轴承座 Γ 内设置一个轴承 2'。 两根振动轴 4分别设置在外辅板 35上的轴承座 Γ 内的轴承 2' 和内辅板 37内的轴承座 1内的一个轴承 2 之间, 各振动轴 4上设有偏心块 41。 这样, 在振动轮 3的内辅板 37内, 两
个轴承座 Γ和轴承座 1之间形成了两个互相独立的封闭空间, 预先将一定 量的冷却润滑油置入这两个空间内, 冷却润滑油会在上述空间的底部形成 润滑油区 39。
这样, 在压路机行进, 压路机振动轮转动, 则振动轮体 3转动, 例如 顺时针转动时, 两个轴承座 Γ 和轴承座 1均随着振动轮体 3—同转动。轴 承座 1上开口朝向顺时针方向的若干储油腔 19依次进入润滑油区 39,并且 在储油腔 19离开润滑油区 39时会带有一定量的润滑油, 随着轴承座 1的 进一步转动, 储油腔 19达到一定的高度(大致到水平位置)后, 储油腔 19 内的润滑油开始经过导油孔 104流入轴承容置腔 103,并通过导油槽 105和 圆周导油槽 106流到轴承 2四周, 带走轴承 2的热量。 最后, 润滑油会流 回润滑油区 39, 冷却后再由储油腔 19舀出。 同样, 轴承座 Γ 上开口朝向 顺时针方向的若干储油腔 19' 依次进入润滑油区 39, 并且在储油腔 19' 离 开润滑油区 39时带有一定量的润滑油, 当储油腔 19' 达到一定的高度(大 致到水平位置) 后, 储油腔 19' 内的润滑油开始经过导油孔 104' 流入轴 承容置腔 103 ', 并通过导油槽 105 ' 和圆周导油槽 106' 流到轴承 2' 四周。 这样, 随着振动轮 3转动, 大量的润滑油被源源不断的带到轴承 2和 2' 上 方, 再顺着导油孔 104' 导油槽 105 ' 和圆周导油槽 106', 流到轴承 2和 2' 四周, 达到润滑轴承 2和 2' 的效果, 降低轴承 2和 2' 的温度, 延长轴承 2和 2' 的使用寿命。
在压路机后退作业时, 也是同样的道理, 压路机振动轮转动, 则振动 轮体 3转动, 此时为逆时针转动, 两个轴承座 Γ 和轴承座 1均随着振动轮 体 3—同转动。轴承座 Γ和轴承座 1上开口朝向逆时针方向的若干储油腔 19' 和 19依次进入润滑油区 39, 舀出润滑油, 后续过程如上所述, 在此不 再赘述。
可以理解, 在本发明轴承座的其它实施例中, 各对导油孔 104可以不 是与各导油槽 105, 以及各圆周导油槽 106均相互连通, 而是各对导油孔
104与各导油槽 105连通, 但不与圆周导油槽 106连通, 而各导油槽 105与 圆周导油槽 106连通; 或者各对导油孔 104与圆周导油槽 106连通, 但不 与导油槽 105连通, 而各导油槽 105与圆周导油槽 106连通。 各对导油孔 104下端也可以不相接, 而是分别连通各导油槽 105, 并且各导油孔 104的 轴线也可以不是位于同一平面上, 而是交错设置。
同样可以理解, 在本发明轴承座的其它实施例中, 若干导油槽 105在 筒状部 10的内壁 102上可以不是沿轴向延伸, 而是倾斜延伸, 例如呈螺旋 状。 圆周导油槽 106也可以不是位于筒状部 10的内壁 102上垂直于其轴线 的平面上, 而是倾斜设置。
可以理解, 本发明较佳实施例的轴承座除了可以应用在振动压路机的 振动轮内, 也可以应用于其它需要为轴承座内的轴承采用润滑油散热的机 械内, 例如高温泵内。
以上所述, 仅是本发明的实施例而已, 并非对本发明作任何形式上的 限制, 虽然本发明已以实施例揭露如上, 然而并非用以限定本发明, 任何 熟悉本专业的技术人员, 在不脱离本发明技术方案范围内, 当可利用上述 揭示的技术内容作出些许更动或修饰为等同变化的等效实施例, 但凡是未 脱离本发明技术方案内容, 依据本发明的技术实质对以上实施例所作的任 何简单修改、 等同变化与修饰, 均仍属于本发明技术方案的范围内。
Claims
1、 一种轴承座, 包括筒状部和固定部, 所述筒状部具有外壁和内壁, 所述筒状部的内壁围成轴承容置腔, 所述固定部自筒状部的外壁径向向外 延伸, 其特征在于: 所述轴承座还包括挡油板、 若干筋板, 以及若干导油 板, 所述挡油板自所述筒状部的外壁向外延伸, 各所述筋板设置在所述固 定部、 筒状部的外壁和所述挡油板之间, 各所述导油板设置在所述固定部 和所述挡油板之间, 并与各所述筋板不与所述筒状部的外壁相接的一端相 接, 各所述导油板、 筒状部的外壁、 固定部, 和各挡油板围成不完全封闭 的储油腔, 在所述筒状部的外壁和内壁之间还设有若干贯通设置的导油孔, 各所述导油孔将各所述储油腔与所述轴承容置腔连通。
2、 如权利要求 1所述的轴承座, 其特征在于, 所述轴承座还包括开设 在所述筒状部的内壁上的若干导油槽, 各所述导油槽从筒状部的一端延伸 到另一端, 并与各所述导油孔分别连通。
3、 如权利要求 1所述的轴承座, 其特征在于, 所述轴承座还包括开设 在所述筒状部的内壁上的至少一个圆周导油槽, 所述圆周导油槽沿着所述 筒状部的内壁在其圆周方向延伸, 并与各所述导油孔连通。
4、 如权利要求 1所述的轴承座, 其特征在于, 位于各所述筋板两侧的 一对导油孔, 其上端分别位于所述筒状部的外壁上所述筋板两侧, 而其下 端在所述筒状部的内壁处相接。
5、 如权利要求 1所述的轴承座, 其特征在于, 若干所述导油板在所述 筒状部的外壁外围呈环状不连续地均匀分布, 各所述导油板在各所述筋板 两侧延伸成弧形。
6、 一种轴承座, 包括筒状部和固定部, 所述筒状部具有外壁和内壁, 所述筒状部的内壁围成轴承容置腔, 所述固定部自筒状部的外壁径向向外 延伸, 其特征在于: 所述固定部设置在所述筒状部的中部, 所述轴承座还 包括两块挡油板、 若干筋板, 以及若干导油板, 所述两块挡油板自所述筒 状部的外壁、 固定部的两侧向外延伸, 若干所述筋板设置在所述固定部的 两侧; 在所述固定部的两侧, 各所述筋板设置在所述固定部、 筒状部的外 壁和所述挡油板之间; 若干所述导油板设置在所述固定部的两侧; 在所述 固定部的两侧, 各所述导油板设置在所述固定部和所述挡油板之间, 并与 各所述筋板不与所述筒状部的外壁相接的一端相接, 各所述导油板、 筒状 部的外壁、 固定部, 和各挡油板围成不完全封闭的储油腔, 在所述筒状部 的外壁和内壁之间还设有若干贯通设置的导油孔, 各所述导油孔将各所述 储油腔与所述轴承容置腔连通。
7、 如权利要求 6所述的轴承座, 其特征在于, 所述轴承座还包括开设 在所述筒状部的内壁上的若干导油槽, 各所述导油槽从筒状部的一端延伸 到另一端, 并与位于所述固定部两侧的各所述导油孔分别连通。
8、 如权利要求 6所述的轴承座, 其特征在于, 所述轴承座还包括开设 在所述筒状部的内壁上的若干圆周导油槽, 所述圆周导油槽沿着所述筒状 部的内壁在其圆周方向延伸, 并分别与位于所述固定部两侧的各所述导油 孑 L连通。
9、 如权利要求 6所述的轴承座, 其特征在于, 位于各所述筋板两侧的 一对导油孔, 其上端分别位于所述筒状部的外壁上所述筋板两侧, 而其下 端在所述筒状部的内壁处相接。
10、 如权利要求 6所述的轴承座, 其特征在于, 位于所述固定部两侧 的若干所述导油板分别在所述筒状部的外壁外围呈环状不连续地均匀分 布, 各所述导油板在各所述筋板两侧延伸成弧形。
11、 一种压路机振动轮, 包括振动轴, 支撑所述振动轴的轴承, 支撑 所述轴承的轴承座, 以及振动轮体, 所述振动轮体包括外圈, 设置在所述 外圈内的内圈, 设置在所述外圈和内圈之间, 连接所述外圈和内圈的一对 外辅板, 以及设置在内圈内的内辅板, 所述轴承座分别设置在所述振动轮 体内的外辅板以及内辅板上, 其特征在于: 设置在所述振动轮体内外辅板 上的轴承座是根据权利要求 1-5任一项所述的轴承座,设置在所述振动轮体 内内辅板上的轴承座是根据权利要求 6-10任一项所述的轴承座。
12、 如权利要求 11所述的压路机振动轮, 其特征在于, 设置在所述振 动轮体内外辅板上的轴承座, 其具有储油腔的一侧朝向所述内辅板的方向 设置。
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| CN201110446183.6 | 2011-12-28 | ||
| CN201110446183.6A CN102494036B (zh) | 2011-12-28 | 2011-12-28 | 轴承座及具有该轴承座的压路机振动轮 |
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| CN102494036B (zh) * | 2011-12-28 | 2014-02-05 | 中联重科股份有限公司 | 轴承座及具有该轴承座的压路机振动轮 |
| CN202768644U (zh) * | 2012-08-14 | 2013-03-06 | 三一重工股份有限公司 | 轴承润滑装置及工程机械 |
| CN103047526B (zh) * | 2012-12-25 | 2016-05-11 | 三一重工股份有限公司 | 润滑装置、振动轮体及振动压实设备 |
| CN103470643B (zh) * | 2013-09-17 | 2016-03-23 | 中联重科股份有限公司 | 轴承座及具有其的轴承润滑装置、压路机振动轮 |
| DE102022132599A1 (de) * | 2022-12-08 | 2024-06-13 | Hamm Ag | Bodenbearbeitungswalze für eine Bodenbearbeitungsmaschine |
| CN115924769B (zh) * | 2023-02-20 | 2025-09-26 | 洛阳轴承集团股份有限公司 | 一种超大吨位履带机用转盘轴承及其内外圈异面平面度控制方法 |
| CN116816718B (zh) * | 2023-05-19 | 2024-10-08 | 华能国际电力股份有限公司上海石洞口第二电厂 | 一种传动轴挡油装置 |
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