CN1550391A - Bearing device for rolling stock axle - Google Patents
Bearing device for rolling stock axle Download PDFInfo
- Publication number
- CN1550391A CN1550391A CNA2004100347530A CN200410034753A CN1550391A CN 1550391 A CN1550391 A CN 1550391A CN A2004100347530 A CNA2004100347530 A CN A2004100347530A CN 200410034753 A CN200410034753 A CN 200410034753A CN 1550391 A CN1550391 A CN 1550391A
- Authority
- CN
- China
- Prior art keywords
- breadth
- elaxtic seal
- axletree
- interior wheel
- aforementioned
- 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.)
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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
- 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
- F16C19/38—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 two or more rows of rollers
- F16C19/383—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 two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
- F16C19/385—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 two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings
- F16C19/386—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 two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings in O-arrangement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F15/00—Axle-boxes
- B61F15/20—Details
- B61F15/22—Sealing means preventing entrance of dust or leakage of oil
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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
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/768—Sealings of ball or roller bearings between relatively stationary parts, i.e. static seals
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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
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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
- F16C2326/00—Articles relating to transporting
- F16C2326/10—Railway vehicles
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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
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
- F16C33/7813—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for tapered roller bearings
Abstract
An annular spacer 20 formed by fixing an annular elastic seal material 21 to an outer diameter side peripheral edge part integrally with each other is installed between the width face of the inner ring 3 of a roller bearing 2 fitted to an axle 1 and the width face of a rear cover 11 (ring member) fitted to the axle 1 and restricting the axial position of the inner ring 3 relative to the axle 1 so as to be brought into a slidable contact with each other in the state of elastically and deformably fitting the elastic seal member 21 to the outer periphery of a projected step part 25 formed on the width face of the rear cover 11. The annular spacer 20 is sealed by the elastic seal material 21 in a contact part between the inner ring 3 and the rear cover 11 in the state of pressing the elastic seal member 21 by the width faces of the inner ring 3 and the rear cover 11 opposed to each other.
Description
Technical field
The present invention is about a kind of axletree rolling of railway vehicle and bearing arrangement that supports with bearing of making.
Background technology
Railway vehicle axletree bearing arrangement comprises the antifriction-bearing box that is installed on the axletree, is installed on the axletree and the annular element of one group of front and back of direction of principal axis location of the interior wheel of antifriction-bearing box is carried out in decision.Annular element by with the bonnet of the rear breadth butt of interior wheel and with the oil ring that cuts of the place ahead breadth butt, or with the bonnet and the protecgulum of the front and back two breadth butts of interior wheel, and any one carbon steel material that has all carried out normalizing (baking) constitutes.
Figure 7 shows that general railway vehicle axletree bearing arrangement.This bearing arrangement makes one group of annular element of bonnet 11 and protecgulum 12 be connected to the two ends of the interior wheel 3 of the antifriction-bearing box of being installed on the axletree 12.Antifriction-bearing box 2 is for example double row tapered roller pearl bearing, have Splittable interior wheel 3, one-piece type foreign steamer 4, be disposed in biserial ball 5, its retainer 6 between wheel 3 and the foreign steamer 4.Make bonnet 11 and axletree 1 chimeric, and assembling antifriction-bearing box 2, make protecgulum 12 chimeric.Protecgulum 12 is crimped on the place ahead breadth of interior wheel 3, and the rear breadth of wheel 3 is crimped on the place ahead breadth of bonnet 11 in making, restriction is to the direction of principal axis position of the interior wheel 3 of axletree 1.On each periphery of bonnet 11 and protecgulum 12, oil sealing 14 is installed.Each oil sealing 14 is installed in the inboard of the seal cover cap 15 that begins to extend from the rear and front end of foreign steamer 4.
In this bearing arrangement, when making the distinctive big radially heavy burden of axletree 1 carrying railway vehicle, on axletree 1, form big moment of flexure, and on the contact part X of interior wheel 3 and bonnet 11, produce stress repeatedly, and on the contact part Y of interior wheel 3 and protecgulum 12, also produce stress repeatedly, make the contact surface generation skimming wear of each contact part X, Y, and produce the small abrasion powder of carbon steel material.This skimming wear is inevitable for making the big railway vehicle that radially bears a heavy burden of axletree 1 carrying, constant as this skimming wear, the direction of principal axis precise decreasing of bearing 2 then, and the abrasion powder that produces is invaded the inside of bearing 2 and is made lubricant deterioration bearing in, becomes the reason in the life-span of shortening bearing 2.
In order to suppress the generation of skimming wear powder, known have a kind of technology (spy with reference to Japanese Patent Laid Open Publication opens the 2001-27254 communique) that soft liner (flat board) arranged that gets involved between annular elements such as interior wheel and bonnet.As shown in Figure 8, on the contact part X of interior wheel 3 and bonnet 11, get involved the liner 32 that soft metal plate and resin board are arranged, and the direct conflict of wheel 3 and bonnet 11 in avoiding by liner 32, the generation of skimming wear suppressed.Replaceable when liner 32 wearing and tearing is new product, finally prolongs the life-span of bearing arrangement.
And known have a kind of skimming wear powder that the wearing and tearing that direct contact caused because of interior wheel and annular element are produced not invade bearing in-to-in bearing arrangement (spy with reference to Japanese Patent Laid Open Publication opens the 2001-354136 communique).As shown in Figure 9, can on the outer peripheral portion of the contact part X of interior wheel 3 and bonnet 11 elastic components 33 such as rubber band be suppressed and contact, the abrasion powder that contact part X is produced can not spill to the outside from contact part X.The outside diameter of contact part X in this case is a kind of involutory ring surface of periphery that makes the same external diameter of interior wheel 3 and bonnet 11, by elastic component 33 is close on this ring surface, contact part X can be sealed into airtight, the close state of liquid, abrasion powder can not flow to bearing 2.
The bearing unit for railway carriages of Fig. 8, in liner 32 suppresses, take turns 3 and the generation this point of the wearing and tearing of bonnet 11 and the abrasion powder of reducing friction on be actv., but as the abrasion powder of the trace that is produced is put aside, in any case then also can flow to bearing inside, generation makes faults such as bearing in-to-in lubricant deterioration, and is difficult to suppress this development of failure.
In the bearing arrangement of Fig. 9, contact part X by interior wheel 3 and bonnet 11 can be suppressed by elastic component 33 to the outflow of the skimming wear powder of bearing, but because of still existing in the generation of the abrasion powder of contact part X and the problem that savings caused of abrasion powder.
From above these situations, considered the elastic component combination of the liner of Fig. 8 and Fig. 9 and use, but in this case, the quantity of member of formation increases as a bearing arrangement, bearing arrangement single-piece assembling number in man-hour increases, and the manufacturing assembling of bearing arrangement becomes difficult.
Summary of the invention
The abrasion powder that the object of the present invention is to provide a kind of generation that suppresses the skimming wear powder and control to produce flows to the bearing in-to-in and makes the good railway vehicle axletree bearing arrangement of assembleability.
The present invention be a kind of antifriction-bearing box of on axletree, being installed interior wheel breadth and be installed on the axletree and restriction between the breadth of wheel to the annular element of the direction of principal axis position of axletree, with the intervention of two breadth butts the bearing arrangement of ring liner is arranged; It is characterized in that in the outside diameter surrounding edge portion of ring liner, one is fixed with the cyclic spring leakproofing material that produces elastic deformation and butt with the two relative breadths of interior wheel and annular element.
In the present invention, annular element with interior wheel breadth butt, for with bonnet and oil sealing or bonnet and replacement oil sealed protecgulum as shown in Figure 7, and between interior wheel and bonnet, get involved ring liner is arranged, and between interior wheel and oil sealing or protecgulum, also get involved ring liner is arranged.Usually the skimming wear powder more is easy to generate between interior wheel and oil sealing or protecgulum between interior wheel and bonnet, and ring liner is arranged also is actv. so only get involved between interior wheel and bonnet.And, because of ring liner is that the direct contact and doing one's utmost of wheel and annular element suppresses the generation of skimming wear powder in being used to avoid, so be preferably the thin plate of soft metal such as copper alloy.Integrated fixing by the elaxtic seals such as rubber of annular being carried out at the outside diameter surrounding edge of this ring liner, can make the ring liner that has elaxtic seal as a member, and in this member is installed between wheel and the annular element.By on the relative breadth of interior wheel and annular element, making elaxtic seal produce elastic deformation and carrying out butt, can make the outer regions of the breadth contact part of the interior wheel of front and back two breadths institute butt of ring liner and annular element, be sealed as airtight, the close state of liquid by the cyclic spring leakproofing material.Contact part produce and the abrasion powder of savings along the web stream of ring liner to elaxtic seal, be prevented from but when arriving elaxtic seal, flow out, do not worry crossing elaxtic seal at all and flow into to bearing is inner.
With the breadth of the annular element of the elaxtic seal institute butt of the outside diameter surrounding edge integrally of ring liner and/or interior wheel on, also can be formed for making the chimeric end difference of elaxtic seal dismounting carrying out freely of annular.For example when forming end difference on the breadth at annular element, periphery along the annular inner-diameter portion whose of annular element breadth and ring liner butt, the layering that forms depression adds Ministry of worker's (end difference), and makes being adjacent in interior week of elaxtic seal chimeric in the periphery that this layering adds the Ministry of worker.By as at the end difference of annular element, make the elaxtic seal of the liner that has elaxtic seal carry out chimeric, can be when shipment and the installation site of ring liner is not produced depart from, assembleability becomes well, and can highly set the assembling quality.More than the end difference of the sort of chimeric flexible leakproofing material be arranged on any place in annular element breadth or the interior wheel breadth, on making, be favourable, but also can be arranged on annular element and interior wheel two places, at all chimeric elaxtic seal of both end differences.
Also can the elaxtic seal one be fixed in the internal side diameter surrounding edge portion of ring liner.Elaxtic seal in this case in order to distinguish with the elastic spacer of fixing in the outside diameter surrounding edge portion one of ring liner, is known as second elaxtic seal.This second elaxtic seal, by with at the fixing elastic spacer (following foundation need be called first elastic spacer) of the outside diameter surrounding edge portion one of ring liner with similarly carry out elastic deformation and be adjacent at two breadths of interior wheel and annular element, contact part between interior wheel and annular element can be sealed from interior external diameter two, and the outflow at the inside external diameter of prevention abrasion powder two places.
When using second elaxtic seal, be preferably on the breadth with the annular element of the second elaxtic seal butt and/or interior wheel, be formed with and be used to make the second chimeric end difference of second elaxtic seal dismounting carrying out freely.Undertaken chimeric by the cooresponding end difference that makes second elaxtic seal and first elaxtic seal and annular element and interior wheel, in the time of can increasing shipment and the stability of the installation site of the ring liner when the packing into of axletree, make assembleability become better.
From the practicality aspect, preferably making ring liner is to have the thin plate of copper alloy system that oil-containing keeps the device of lubricant.The lubricant that forms in length and breadth keeps ditch, several small recesses of forming of part, the through hole that connects several paths at the surface and the back side from the teeth outwards from the teeth outwards, and to contain the device that keeps lubricant comparatively suitable as making on the thin plate of copper alloy system.Ring liner self by the copper alloy system of making contains the maintenance lubricant, and the lubricity in can increasing between wheel and annular element also can suppress the wearing and tearing of ring liner self, and the generation that increases the skimming wear powder suppresses effect.
From the practicality aspect, preferably making the antifriction-bearing box among the present invention is double row tapered roller pearl bearing, still according to the kind of railway vehicle, also can be ball bearing of main shaft.
As utilize the present invention, wheel and be used to limit in this contact part of wheel in bearing to the annular elements such as bonnet of the position of axletree, the generation of skimming wear powder is suppressed because of the intervention of ring liner, even and from generation abrasion powders such as liners, incorporate elaxtic seal in the outside diameter surrounding edge portion of liner also can stop abrasion powder to flow out to the bearing in-to-in, and seek the long lifetime of bearing, and make long-term the become possibility of railway vehicle axletree whereby with the maintenance intervals of the maintenance inspection of bearing arrangement.
And, by in the outside diameter surrounding edge portion of ring liner the elaxtic seal one being fixed and making, operation, the maintenance care of liner and leakproofing material are become easily, and seek the reduction of cost of manufacture as a member.In addition, by make the ring liner that has elaxtic seal on the set end difference of the breadth of annular element or interior wheel by chimeric assembling, can make the assembleability of the ring liner that has elaxtic seal become good, and ring liner can not produce position deviation to axletree, makes the manufacturing assembling of high-quality bearing arrangement become easy.
And, by the also integrally formed elaxtic seal of internal side diameter surrounding edge portion at ring liner, the outflow of the skimming wear powder of the wheel and the inside outside diameter of contact part of annular element in can stoping, and seek the more long lifetime of bearing.
These and other feature of the present invention will be by describing with reference to the accompanying drawings, and it is clearer to become.
Description of drawings
Figure 1A is the section-drawing of the bearing unit for railway carriages of expression the 1st example.
Figure 1B is the amplification profile of main portion.
Fig. 2 is the decomposing section of main portion of the bearing arrangement of Fig. 1.
Fig. 3 A is the part amplification profile of the ring liner that has elaxtic seal of Fig. 2.
Fig. 3 B is the partial plan that contains cut-away section.
Fig. 4 A is the section-drawing of the bearing unit for railway carriages of expression the 2nd example.
Fig. 4 B is the amplification profile of main portion.
Fig. 5 is the decomposing section of main portion of the bearing arrangement of Fig. 3.
Fig. 6 A is the section-drawing of part amplification front view of concrete structure that comprises the liner of the bearing arrangement that is used for instruction diagram 5.
Fig. 6 B is the section-drawing that is used to illustrate other concrete structure.
Fig. 7 is the section-drawing that is used to illustrate the essential structure of known bearing unit for railway carriages.
Fig. 8 is the part amplification profile of known structure that is used for the bearing arrangement of instruction diagram 7.
Fig. 9 is other the fragmentary cross-sectional view of known structure that is used for the bearing arrangement of instruction diagram 7.
Nomenclature
1 axletree
2 antifriction-bearing boxs
Wheel in 3
4 foreign steamers
5 balls
6 retainers
11 bonnets
12 protecgulums
14 oil sealings
15 seal cover caps
20 liners
The 20a flange
21,22 elaxtic seals
25 end differences
26 second end differences
27 ditches
28 recesses
32 liners
33 elastic components
M
1The place ahead breadth
M
2The rear breadth
N
1The internal side diameter tabular surface
N
2The outside diameter tabular surface
r
1, r
2, r
3, r
4Radius
X, Y contact part
W
1, W
3Layer is poor
W
2, W
4Wide
The specific embodiment
Below, with reference to Figure 1A～Fig. 3 B first example is described successively, with reference to Fig. 4 A～Fig. 6 B second example is described.In addition, the bearing unit for railway carriages of these each examples and relevant Fig. 7 and the bearing arrangement that has explained are identical in essential structure, thus in fact with Fig. 7 in identical member or part attached with identical symbol and the repetitive description thereof will be omitted.
The 1st example shown in Figure 1A and the 1B is got involved at the contact part X of interior wheel 3 and bonnet 11 (annular element) 1 ring liner 20 that has elaxtic seal, and the both sides of ring liner 20 breadth, with the rear breadth of interior wheel 3 and the place ahead breadth butt of bonnet 11.The ring liner 20 that has an elaxtic seal is for being the outside diameter surrounding edge part of liner 20 at circular soft metal thin plate, the member that circular elaxtic seals such as rubber band 21 one are fixing.
The place ahead breadth M that in Figure 1B, has represented bonnet 11
1Rear breadth M with interior wheel 3
2, the breadth M of interior wheel 3
2Be an annular planar face, the breadth M of bonnet 11
1The internal side diameter tabular surface N that is divided into annular
1Form recessed outside diameter tabular surface N with comparing with it
2Two parts.End difference 25 is essentially cylindrical, as shown in Figure 2, and the radius r of end difference 25
1With annular arrangement elaxtic seal 21 in the ring liner 20 that the has elaxtic seal radius r when not carrying out elastic deformation usual
2Compare, be set greatly slightly.And, the width W of the elaxtic seal 21 during as shown in Figure 2 usual
2, be set to such an extent that be a bit larger tham the layer difference W of end difference 25
1With the thickness of slab of liner 20 and.
To be formed with the ring liner that has elaxtic seal 20 of elaxtic seal 21 in the outside diameter surrounding edge portion of ring liner 20, it is pressed into the breadth M of bonnet 11
1Go up outstanding end difference 25, in other words, it is chimeric to utilize the magnitude of interference to carry out, and integrally is assembled on the bonnet 11.The elaxtic seal 21 of annular produces elastic deformation, is crimped on outside diameter tabular surface N2 with end difference 25, closely reclines slidably.Chimeric by making elaxtic seal 21 on end difference 25, utilize the magnitude of interference to carry out, can make the relative position relation of bonnet 11 and ring liner 20 certain, can not occur ring liner 20 position deviation and come off.Make this bonnet 11 be entrenched in axletree 1 and assembling during bearing 2 on axletree 1, do not worrying the position deviation of ring liner 20 and come off, and the assembleability of bearing arrangement becomes well, assembly precision keeps stablizing.
Shown in Figure 1B, when the assembling of bearing arrangement is finished, the internal side diameter tabular surface N of ring liner 20 and bonnet 11
1Breadth M with interior wheel 3
2Butt, and the wearing and tearing that direct contact produced of avoidance bonnet 11 and interior wheel 3 positively suppress the generation of skimming wear powder.Simultaneously, the end difference 25 and the outside diameter tabular surface N of elaxtic seal 21 and bonnet 11
2Crimping, and with the breadth M of interior wheel 3
2Crimping makes the outer regions of the contact part X between bonnet 11 and the interior wheel 3 be sealed to the state airtight, that liquid is close.So, even produce the liner abrasion powder, also can utilize elaxtic seal 21 and stop this abrasion powder to flow out to contact part is outside, and positively stop the skimming wear powder to flow into, and make bearing 2 realize the long lives to bearing 2 in-to-ins at contact part X.
And, in the bearing arrangement of Figure 1A, when the load of being carried on because of axletree 1 makes axletree 1 deflection, internal side diameter tabular surface N
1With outside diameter tabular surface N
2Layer difference W
1Allow the effect of aforementioned deflection, can be suppressed at the generation of the skimming wear powder of contact part X effectively.
The bearing arrangement of second example shown in Fig. 4 A and the 4B is fixed with cyclic spring leakproofing material 22 in the internal side diameter surrounding edge portion of ring liner 20 also integral type.This internal side diameter elaxtic seal 22 is second elaxtic seal, and outside diameter elaxtic seal 21 is first elaxtic seal.First elaxtic seal 21 is identical with the example of Figure 1A and 1B, also is that the periphery at the end difference 25 of bonnet 11 produces elastic deformation and carries out chimeric.Second elaxtic seal 22 utilizes to be made with the elastomeric material of first elaxtic seal, 21 identical quality, and this point is favourable on making, but also can utilize the elastomeric material of differing texture to constitute.
Corresponding with second elaxtic seal 22, at the breadth M of bonnet 11
1Internal side diameter form second end difference 26, and make second elaxtic seal 22 produce elastic deformations and chimeric at the interior Zhou Jinhang of second end difference 26.As shown in Figure 5, with all radius r in second end difference 26
3, set be slightly smaller than second elaxtic seal 22 the radius r of external diameter when usual
4, and with the poor W of the layer of second end difference 26
3With the thickness of slab sum of liner 20, set to such an extent that be slightly smaller than the wide W of second elaxtic seal 22 when usual
4So, the contact part X that bonnet 11 and interior wheel are 3, its outside diameter is sealed by first elaxtic seal 21, and internal side diameter is sealed by second elaxtic seal 22.Therefore, be prevented from, can come anti-attrition powder flow into higher reliability to the bearing in-to-in from the outflow of the skimming wear powder of the inside external diameter direction of contact part X.
And, compare the breadth M of bonnet 11
1 Second end difference 26, internal side diameter is from internal side diameter tabular surface N
1Recessed, thus with the internal side diameter tabular surface N of liner 20 butts
1Area diminish, and the generation of those skimming wear powder is diminished.
And ring liner 20 can be made the thin plate that oil-containing keeps the copper alloy system of lubricants such as grease.For example, as shown in Figure 6A,, utilize the arrangement of reticulation etc. to form several ditches 27, and make this ditch 27 accumulate the place for grease on the surface and the two sides, the back side of copper alloy sheeting liner 20.Perhaps, shown in Fig. 6 B,, form several little recesses 28 of globule apperance, and make this recess 28 accumulate the place for grease on the surface and the two sides, the back side of liner 20.So, when the oil-containing of keeping grease at liner 20 keeps function, the lubricity of the contact part X of each breadth butt of wheel 3 and bonnet 11 in making, the grease stable for extended periods of time of being accumulated because of ditch 27 grades, and the skimming wear powder that contact part X is produced becomes still less, can seek the long lifetime of bearing 2.
In addition, the lubricant of the liner shown in Fig. 6 A and 6B contain maintenance, also applicable on the liner of Figure 1B certainly.
Claims (6)
1. railway vehicle axletree bearing arrangement, comprise: the breadth of the interior wheel of the antifriction-bearing box of being installed on the axletree and be installed on the axletree and the breadth of restriction corresponding to the annular element of the direction of principal axis position of the interior wheel of axletree between, with two breadth butts and get involved ring liner is arranged; It is characterized in that in the outside diameter surrounding edge portion of aforementioned ring liner, one is fixed with the cyclic spring leakproofing material that produces elastic deformation and butt with the two relative breadths of aforementioned interior wheel and annular element.
2. railway vehicle axletree bearing arrangement as claimed in claim 1, it is characterized in that, with the breadth of the annular element of aforementioned elaxtic seal institute butt and/or interior wheel on, be formed for making the chimeric end difference of elaxtic seal dismounting carrying out freely of annular.
3. railway vehicle axletree bearing arrangement as claimed in claim 1, it is characterized in that, in the internal side diameter surrounding edge portion of aforementioned ring liner, will in aforementioned, take turns the second elaxtic seal integral type that produces elastic deformation with relative two breadths of annular element and carry out the annular of butt and fix.
4. railway vehicle axletree bearing arrangement as claimed in claim 3, it is characterized in that, with the breadth of the annular element of the aforementioned second elaxtic seal butt and/or interior wheel on, be formed with and be used to make the second chimeric end difference of second elaxtic seal dismounting carrying out freely.
5. as any described railway vehicle axletree bearing arrangement in the claim 1～4, it is characterized in that aforementioned liner is to have the thin plate that lubricant is contained the copper alloy system of holding device.
6. as any described railway vehicle axletree bearing arrangement in the claim 1～4, it is characterized in that aforementioned antifriction-bearing box is a double row tapered roller pearl bearing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003133590A JP4060232B2 (en) | 2003-05-12 | 2003-05-12 | Railway vehicle bearing device |
| JP2003133590 | 2003-05-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1550391A true CN1550391A (en) | 2004-12-01 |
| CN100386229C CN100386229C (en) | 2008-05-07 |
Family
ID=33447134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100347530A Expired - Lifetime CN100386229C (en) | 2003-05-12 | 2004-05-09 | Bearing device for rolling stock axle |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4060232B2 (en) |
| CN (1) | CN100386229C (en) |
| DE (1) | DE102004019974B4 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101124422B (en) * | 2005-02-21 | 2010-12-08 | Ntn株式会社 | Gas bleeder plug, bearing device and bearing |
| CN1858455B (en) * | 2005-05-05 | 2011-03-30 | 阿母斯替德铁路公司 | Journal bearing backing ring |
| CN104176082A (en) * | 2013-04-03 | 2014-12-03 | Skf公司 | Axlebox assembly |
| CN104791385A (en) * | 2014-01-17 | 2015-07-22 | 舍弗勒技术股份两合公司 | Sealed cylindrical roller bearing for railway |
| CN110192042A (en) * | 2017-01-10 | 2019-08-30 | Ntn株式会社 | Spacer member and the axle bearing arrangement for having the spacer member |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4829699B2 (en) * | 2006-06-29 | 2011-12-07 | Ｎｔｎ株式会社 | Railway vehicle bearing device |
| CN104295616A (en) * | 2014-10-11 | 2015-01-21 | 无锡明珠钢球有限公司 | Closed ball bearing |
| JP6786323B2 (en) | 2016-09-20 | 2020-11-18 | Ntn株式会社 | Axle bearing device |
| CN109733434B (en) * | 2019-01-07 | 2020-05-08 | 中车青岛四方机车车辆股份有限公司 | Sealing device for track-variable wheel set and track-variable wheel set |
| DE202019101636U1 (en) * | 2019-03-21 | 2019-08-13 | Liebherr-Components Biberach Gmbh | Seal for slewing bearings |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2556992C2 (en) * | 1975-12-18 | 1980-04-24 | Goetze Ag, 5093 Burscheid | Shaft seal |
| CN2089902U (en) * | 1990-06-11 | 1991-12-04 | 许大赤 | Check seal cover for rolling bearing of railway freight train |
| US5423614A (en) * | 1992-06-26 | 1995-06-13 | Vooner Vacuum Pumps, Inc. | Self aligning removable bearing carrier for a liquid ring vacuum pump |
| CN2193464Y (en) * | 1994-05-13 | 1995-03-29 | 周克斌 | Sealing end cap of bearing |
| CN2269350Y (en) * | 1996-07-05 | 1997-12-03 | 大连机车车辆厂 | Rolling axle box assembling |
| NL1008681C2 (en) * | 1998-03-23 | 1999-09-24 | Skf Eng & Res Centre Bv | Train bearing unit with improved anti-frictional corrosion behavior. |
| JP4019513B2 (en) * | 1998-08-18 | 2007-12-12 | 日本精工株式会社 | Railway vehicle bearing device |
| CN2338537Y (en) * | 1998-08-25 | 1999-09-15 | 郑书先 | Dust-proof bearing base |
| JP2001027254A (en) * | 1999-07-15 | 2001-01-30 | Ntn Corp | Bearing unit for rolling stock |
| JP4076708B2 (en) * | 2000-06-13 | 2008-04-16 | Ｎｔｎ株式会社 | Railway vehicle bearing device |
| CN2516416Y (en) * | 2002-01-06 | 2002-10-16 | 郑州铁路新科机车车辆配件有限公司 | Locomotive gearbox with end sealed |
| JP2004316853A (en) * | 2003-04-18 | 2004-11-11 | Nsk Ltd | Bearing device for railroad vehicle |
-
2003
- 2003-05-12 JP JP2003133590A patent/JP4060232B2/en not_active Expired - Lifetime
-
2004
- 2004-04-23 DE DE102004019974.4A patent/DE102004019974B4/en not_active Expired - Lifetime
- 2004-05-09 CN CNB2004100347530A patent/CN100386229C/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101124422B (en) * | 2005-02-21 | 2010-12-08 | Ntn株式会社 | Gas bleeder plug, bearing device and bearing |
| CN1858455B (en) * | 2005-05-05 | 2011-03-30 | 阿母斯替德铁路公司 | Journal bearing backing ring |
| CN104176082A (en) * | 2013-04-03 | 2014-12-03 | Skf公司 | Axlebox assembly |
| CN104791385A (en) * | 2014-01-17 | 2015-07-22 | 舍弗勒技术股份两合公司 | Sealed cylindrical roller bearing for railway |
| CN110192042A (en) * | 2017-01-10 | 2019-08-30 | Ntn株式会社 | Spacer member and the axle bearing arrangement for having the spacer member |
| CN110192042B (en) * | 2017-01-10 | 2021-03-12 | Ntn株式会社 | Spacer member and axle bearing device provided with same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004332905A (en) | 2004-11-25 |
| CN100386229C (en) | 2008-05-07 |
| JP4060232B2 (en) | 2008-03-12 |
| DE102004019974A1 (en) | 2004-12-09 |
| DE102004019974B4 (en) | 2014-02-27 |
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