SE450653B - PROCEDURE FOR AVOIDING OIL LEAKAGE WHILE LOWING - Google Patents

PROCEDURE FOR AVOIDING OIL LEAKAGE WHILE LOWING

Info

Publication number
SE450653B
SE450653B SE8500689A SE8500689A SE450653B SE 450653 B SE450653 B SE 450653B SE 8500689 A SE8500689 A SE 8500689A SE 8500689 A SE8500689 A SE 8500689A SE 450653 B SE450653 B SE 450653B
Authority
SE
Sweden
Prior art keywords
lubricant
outer ring
holes
bearing
groove
Prior art date
Application number
SE8500689A
Other languages
Swedish (sv)
Other versions
SE8500689L (en
SE8500689D0 (en
Inventor
S Hallerbeck
Original Assignee
Skf Ab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Skf Ab filed Critical Skf Ab
Priority to SE8500689A priority Critical patent/SE450653B/en
Publication of SE8500689D0 publication Critical patent/SE8500689D0/en
Priority to DE19863603420 priority patent/DE3603420A1/en
Priority to FR868601850A priority patent/FR2577635B1/en
Priority to GB08603305A priority patent/GB2171156B/en
Priority to IT8619387A priority patent/IT1204792B/en
Priority to JP61027023A priority patent/JPS61189319A/en
Publication of SE8500689L publication Critical patent/SE8500689L/en
Publication of SE450653B publication Critical patent/SE450653B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
    • F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
    • 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
    • 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
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/021—Sealings between relatively-stationary surfaces with elastic packing
    • F16J15/022—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material
    • F16J15/024—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material the packing being locally weakened in order to increase elasticity
    • F16J15/025—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material the packing being locally weakened in order to increase elasticity and with at least one flexible lip
    • 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
    • F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
    • F16C23/06—Ball or roller bearings
    • F16C23/08—Ball or roller bearings self-adjusting
    • F16C23/082—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface
    • F16C23/086—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface forming a track for rolling elements
    • 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
    • F16C35/042—Housings for rolling element bearings for rotary movement
    • F16C35/047—Housings for rolling element bearings for rotary movement with a base plate substantially parallel to the axis of rotation, e.g. horizontally mounted pillow blocks

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Sealing Devices (AREA)
  • Support Of The Bearing (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
  • Sliding-Contact Bearings (AREA)
  • Gasket Seals (AREA)
  • Sealing Of Bearings (AREA)

Description

450 653 den tillförda smörjmedelsmängden. Lager av de slag som det här är fråga om är nämligen i regel monterade i tudelade hus och får sin smörjmedelstillförsel genom kanaler i huset och i lagrets ytterringyoch eftersom dessa kanaler delvis befinner sig i gränsytan mellan metalliska delar så är det praktiskt omöjligt att förhindra ett visst läckage. 450 653 the amount of lubricant added. Bearings of the type in question are generally mounted in two-part housings and receive their lubricant supply through channels in the housing and in the outer ring of the bearing, and since these channels are partly located in the interface between metallic parts, it is practically impossible to prevent a certain leakage.

Genom föreliggande uppfinning har man emellertid löst dessa problem och åstadkommit ett förfaringssätt för und- vikande av oljeläckage vid smörjning av lager eller dylikt monterade i hus, varvid smörjmedlet tillföras lagrets inre genom hål i ytterringen, vilka hål kommunicerar med ett på ytterringens utsida runt om gående smörjmedelsspår, vilket förfaringssätt kännetecknas av att en i snitt U-formad elastisk tätningsríng inlägges i smörjmedelsspåret så att U-formens öppning vetter in mot ytterringens utsida.The present invention has, however, solved these problems and provided a method for avoiding oil leakage when lubricating bearings or the like mounted in housings, the lubricant being supplied to the interior of the bearing through holes in the outer ring, which holes communicate with a circumferential outer ring lubricant groove, which method is characterized in that a section U-shaped elastic sealing ring is inserted into the lubricant groove so that the opening of the U-shape faces the outside of the outer ring.

Det är lämpligt att tätningsringen ges en något mindre diameter än den som förefínns hos smörjmedelsspåret så att tätninga- ringen kommer att greppa hårt omkring ytterringen.It is suitable that the sealing ring is given a slightly smaller diameter than that present in the lubricant groove so that the sealing ring will grip tightly around the outer ring.

För att smörjmedel skall komma in till tätningsringens insida är tillförselshål för smörjmedel anordnade i tätnings- ringens livdel. Det är lämpligt att dessa hål är så anordnade att två hål aldrig befinner sig diametralt mot varandra.In order for lubricant to enter the inside of the sealing ring, supply holes for lubricant are arranged in the web part of the sealing ring. It is suitable that these holes are arranged so that two holes are never diametrically opposite each other.

Uppfinningen kommer att i det följande närmare beskrivas under hänvisning till bifogade ritningsfigurer, där Figur 1 visar ett lagers ytterring monterad i ett lagerhus utan tätning. För tydlighetens skull är lagerhuset ritat genomskinligt, Figur 2 i axialsnitt visar en tätningsring enligt uppfinningen och Figur 3 i radialsnítt visar tätningen enligt uppfinningen mon- terad mellan ett lager och ett lagerhus. 'm u) 450 653 På figur 1 visas överdelen 1 av ett lagerhus med en undre del 2. Dessa delar är hopskruvade medelst en eller flera bultar 3 på var sida. I lagrets överdel 1 har ett genomgående hål Ä borrats för tillförsel av smörjmedel.The invention will be described in more detail below with reference to the accompanying drawing figures, in which Figure 1 shows an outer ring of a bearing mounted in a bearing housing without a seal. For the sake of clarity, the bearing housing is drawn transparently, Figure 2 in axial section shows a sealing ring according to the invention and Figure 3 in radial section shows the seal according to the invention mounted between a bearing and a bearing housing. 'm u) 450 653 Figure 1 shows the upper part 1 of a bearing housing with a lower part 2. These parts are screwed together by means of one or more bolts 3 on each side. In the upper part 1 of the bearing, a through hole Ä has been drilled for the supply of lubricant.

Inuti lagerhuset visas ytterringen 5 av ett konventionellt lager. För tydlighetens skull är innerringen och rulllcrøpparna borttagna. På ytterringens 5 utsida visas ett runt om gående spår 6. Detta spår står i förbindelse med hålet H i lagerhuset, och smörjmedel utifrån kan strömma genom hålet Ü och inyi detta spår 6. För att smörjmedlet skall komma dit där det behövs, nämligen in i lagrats inre, har hål 7 anordnats i ytterringens spår 6, så att smörjmedlet skall strömma in via dessa hål 7, Vid en anordning enligt figur 1 kommer smörjmedel att läcka ut axiellt mellan ytterringens utsida och husets insida såsom framgår av pilarna A. Dessutom kommer smörjmedel att strömma ut axiellt i det spår som finnes i skarven mellan hushalvorna.Inside the bearing housing, the outer ring 5 of a conventional bearing is shown. For the sake of clarity, the inner ring and the roller bodies have been removed. On the outside of the outer ring 5 a circumferential groove 6 is shown. This groove is connected to the hole H in the bearing housing, and lubricant from the outside can flow through the hole Ü and inyi this groove 6. In order for the lubricant to get where it is needed, namely into stored inside, holes 7 have been provided in the groove 6 of the outer ring, so that the lubricant will flow in via these holes 7. In a device according to Figure 1, lubricant will leak axially between the outside of the outer ring and the inside of the housing as shown by arrows A. to flow out axially in the groove present in the joint between the housing halves.

Detta spår är mer eller mindre tydligt, beroende på hur väl man har filat bort graden efter gjutningen, då hushalvorna framställdes, Detta strömningsläckage har vi betecknat med B.This track is more or less clear, depending on how well the grade has been filed away after the casting, when the house halves were made. We have designated this flow leakage with B.

Smörjmedel kommer också att strömma ut mellan kopplingsflänsarna på hushalvorna och ut genom bulthålen. Detta läckage har vi betecknat med R.Lubricant will also flow out between the coupling flanges on the housing halves and out through the bolt holes. We have designated this leak with R.

Eftersom flera helt olika läckagevägar förefinns vid en anord- ning enligt figur T har det visat sig vara mycket svårt att täta sådana anordningar som visas i denna figur. Även mycket små förluster av smörjmedel kan vara allvarliga, och detta ställer stora krav på tätningen.Since there are several completely different leakage paths in a device according to Figure T, it has proved to be very difficult to seal such devices as shown in this figure. Even very small losses of lubricant can be serious, and this places great demands on the seal.

Enligt uppfinningen har man såsom visas i figurerna 2 och 3 kommit fram till att man i spåret 6 kan lägga in en elastisk Ia ringformig tätning 8 av t.ex. gummi med en genomskärning i form av ett U, som har sin öppning 9 inåt mot ytterringens 5 utsida.According to the invention, as shown in Figures 2 and 3, it has been concluded that an elastic Ia annular seal 8 of e.g. rubber with a cross-section in the form of a U, which has its opening 9 inwards towards the outside of the outer ring 5.

För att smörjmedlet som pressas in genom hålet Å i lagerhusets överdel 1 skall komma in till tätningens radiella insida måste tillförselhål 10 finnas i tätningens livdel 11.In order for the lubricant which is pressed in through the hole Å in the upper part 1 of the bearing housing to enter the radial inside of the seal, supply holes 10 must be provided in the web part 11 of the seal.

Claims (3)

450 655 PATENTKRAV450 655 PATENT CLAIMS 1. Förfaringsšätt för undvikande av oljeläckage vid Smörjning av lager innefattande ytterring och innerring monterade i hus försedda med ifyllningsöppningar (Ä) för smörjmedel var- vid smörjmedlet tillföras lagrets inre genom häl (7) i ytterringen (5), vilka hål (7) kommunicerar med ett på 9 ytterringens (5) utsida runt om gående smörjmedelsspår(6). som i sin tur kommunicerar med ifyllningsëppningen (Ä) i huset,_k ä n n e t e c k n a t av att en i snitt U-formad elastisk :ätningsring (8) med fillförselhfll (m) för snrërgg- medel i livdelen (11) inlägges i smörjmedelsspåret (6) så att U-formens öppning vetter in mot ytterringens (5) utsida, varvid smörjmedel tillfört genom ifyllningsöppningen (Å) i huset kan strömma in i smörjmedelsspåret (6) via tillförselhålen (10) i tätningsringen (8) och vidare in i lagret genom hålen (7) i ytterringen (5).A method of avoiding oil leakage in Lubrication of bearings comprising outer ring and inner ring mounted in housings provided with filling openings (Ä) for lubricant, wherein the lubricant is supplied to the interior of the bearing through heel (7) in the outer ring (5), which holes (7) communicate with one on the outside of the outer ring (5) around the lubricant groove (6). which in turn communicates with the filling opening (Ä) in the housing, characterized in that a section U-shaped elastic: sealing ring (8) with fill supply hfll (m) for snoring agent in the web part (11) is inserted into the lubricant groove (6) so that the opening of the U-shape faces towards the outside of the outer ring (5), whereby lubricant supplied through the filling opening (Å) in the housing can flow into the lubricant groove (6) via the supply holes (10) in the sealing ring (8) and further into the bearing through the holes. (7) in the outer ring (5). 2. Förfaringssätt enligt krav 1, k ä n n e t e c k n a t av att tätningsringen (S) ges en något mindre diameter än den som förefinns hos smörjmedelsspåret (6).Method according to claim 1, characterized in that the sealing ring (S) is given a slightly smaller diameter than that present in the lubricant groove (6). 3. Förfaringssätt enligt krav 1 - 2, k ä n n e t e c k n a t av att tillförselhålen (10) är så anordnade att tvâ hål aldrig befinner sig diametralt mot varandra.3. A method according to claims 1-2, characterized in that the supply holes (10) are arranged such that two holes are never diametrically opposite each other.
SE8500689A 1985-02-14 1985-02-14 PROCEDURE FOR AVOIDING OIL LEAKAGE WHILE LOWING SE450653B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE8500689A SE450653B (en) 1985-02-14 1985-02-14 PROCEDURE FOR AVOIDING OIL LEAKAGE WHILE LOWING
DE19863603420 DE3603420A1 (en) 1985-02-14 1986-02-05 BEARING ARRANGEMENT WITH AN IN OR ON A SEAT OF A HOUSING, A SHAFT OR THE LIKE INSERTED OR ATTACHED BEARING RING
FR868601850A FR2577635B1 (en) 1985-02-14 1986-02-11 METHOD FOR PREVENTING LEAKAGE OF OIL DURING LUBRICATION OF BEARINGS, AND SEALING RING FOR USE WITH THIS PROCESS
GB08603305A GB2171156B (en) 1985-02-14 1986-02-11 An elastic sealing ring and a bearing outer race ring
IT8619387A IT1204792B (en) 1985-02-14 1986-02-12 METHOD TO PREVENT LOSSES OF OIL IN THE LUBRICATION OF BEARINGS, AND SEAL RING USABLE WITH THIS METHOD
JP61027023A JPS61189319A (en) 1985-02-14 1986-02-12 Method of preventing leakage of lubricating oil and elastic seal ring therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8500689A SE450653B (en) 1985-02-14 1985-02-14 PROCEDURE FOR AVOIDING OIL LEAKAGE WHILE LOWING

Publications (3)

Publication Number Publication Date
SE8500689D0 SE8500689D0 (en) 1985-02-14
SE8500689L SE8500689L (en) 1986-08-15
SE450653B true SE450653B (en) 1987-07-13

Family

ID=20359114

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8500689A SE450653B (en) 1985-02-14 1985-02-14 PROCEDURE FOR AVOIDING OIL LEAKAGE WHILE LOWING

Country Status (6)

Country Link
JP (1) JPS61189319A (en)
DE (1) DE3603420A1 (en)
FR (1) FR2577635B1 (en)
GB (1) GB2171156B (en)
IT (1) IT1204792B (en)
SE (1) SE450653B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5966184A (en) * 1997-03-24 1999-10-12 Focus Enhancements, Inc. Video synchronizing signal generator

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7335130U (en) * 1976-05-06 Koyo Seiko Co., Ltd., Osaka (Japan) Storage device
GB515549A (en) * 1938-06-03 1939-12-07 Andrew Marsden Improvements relating to pipe couplings
GB557926A (en) * 1942-09-24 1943-12-10 Serck Radiators Ltd Improvements relating to joints for fluid containers, pipes and the like
US3101979A (en) * 1961-06-19 1963-08-27 United Aircraft Corp Viscous damped bearing support
US3351399A (en) * 1965-12-27 1967-11-07 Blackwelder Mfg Company Seal for flange-supported bearings
DE1957650A1 (en) * 1969-11-17 1971-05-27 Christian Buerkert Elastic sealing element
GB1291421A (en) * 1970-01-01 1972-10-04 Balfour & Co Ltd Henry Improvements in or relating to bearings
GB1347521A (en) * 1971-04-19 1974-02-27 Elliott Garrood Ltd Valve assemblies
US3885842A (en) * 1973-09-21 1975-05-27 Koyo Seiko Co Bearing lubricating device
US3981550A (en) * 1975-01-20 1976-09-21 Borg-Warner Corporation Bearing improvement
FR2320457A1 (en) * 1975-08-06 1977-03-04 Gutehoffnungshuette Sterkrade BEARING OR SMOOTH BEARING HOUSING
US4511152A (en) * 1984-02-08 1985-04-16 Aeroquip Corporation Self-reinforced face seal

Also Published As

Publication number Publication date
DE3603420C2 (en) 1987-08-13
IT8619387A0 (en) 1986-02-12
GB8603305D0 (en) 1986-03-19
SE8500689L (en) 1986-08-15
SE8500689D0 (en) 1985-02-14
JPH0222245B2 (en) 1990-05-17
GB2171156A (en) 1986-08-20
GB2171156B (en) 1988-05-11
IT1204792B (en) 1989-03-10
DE3603420A1 (en) 1986-08-14
JPS61189319A (en) 1986-08-23
FR2577635B1 (en) 1989-03-10
FR2577635A1 (en) 1986-08-22

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