JPS61135961U - - Google Patents

Info

Publication number
JPS61135961U
JPS61135961U JP1985014651U JP1465185U JPS61135961U JP S61135961 U JPS61135961 U JP S61135961U JP 1985014651 U JP1985014651 U JP 1985014651U JP 1465185 U JP1465185 U JP 1465185U JP S61135961 U JPS61135961 U JP S61135961U
Authority
JP
Japan
Prior art keywords
peripheral surface
seal
swing bearing
construction machine
ring
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.)
Pending
Application number
JP1985014651U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP1985014651U priority Critical patent/JPS61135961U/ja
Publication of JPS61135961U publication Critical patent/JPS61135961U/ja
Pending legal-status Critical Current

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
    • 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
    • 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
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
    • 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
    • F16C2300/00—Application independent of particular apparatuses
    • F16C2300/10—Application independent of particular apparatuses related to size
    • F16C2300/14—Large applications, e.g. bearings having an inner diameter exceeding 500 mm
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2350/00—Machines or articles related to building
    • F16C2350/26—Excavators

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing With Elastic Sealing Lips (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の建設機械における旋回軸受の
シール構造の一実施例を示す断面図、第２図は一
般的な油圧シヨベルを示す側面図、第３図は従来
の建設機械における旋回軸受のシール構造を示す
断面図、第４図は第３図のＡ部拡大図である。 ３……旋回軸受、１３……外輪、１６……内輪
、２６……溝、２７……リツプ部、２８……突起
部、２９……シール。 Fig. 1 is a sectional view showing an example of the seal structure of a swing bearing in a construction machine of the present invention, Fig. 2 is a side view showing a general hydraulic excavator, and Fig. 3 is a cross-sectional view showing an embodiment of the seal structure of a swing bearing in a construction machine of the present invention. A sectional view showing the seal structure, and FIG. 4 is an enlarged view of section A in FIG. 3. 3...Swivel bearing, 13...Outer ring, 16...Inner ring, 26...Groove, 27...Lip portion, 28...Protrusion portion, 29...Seal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 旋回軸受の内輪の外周面側および、外輪の内周
面側に溝を形成し、その溝にシールを嵌め込んで
いる建設機械における旋回軸受のシール構造にお
いて、前記シールのリツプ部と反対の方向に、内
輪の外周面もしくは、外輪の内周面に沿う突起部
を設けたことを特徴とする建設機械における旋回
軸受のシール構造。 In a seal structure of a swing bearing in a construction machine in which grooves are formed on the outer peripheral surface side of the inner ring of the swing bearing and on the inner peripheral surface side of the outer ring, and a seal is fitted into the groove, the direction opposite to the lip part of the seal. A seal structure for a swing bearing in a construction machine, characterized in that a protrusion is provided along the outer peripheral surface of the inner ring or the inner peripheral surface of the outer ring.
JP1985014651U 1985-02-06 1985-02-06 Pending JPS61135961U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985014651U JPS61135961U (en) 1985-02-06 1985-02-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985014651U JPS61135961U (en) 1985-02-06 1985-02-06

Publications (1)

Publication Number Publication Date
JPS61135961U true JPS61135961U (en) 1986-08-23

Family

ID=30499771

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985014651U Pending JPS61135961U (en) 1985-02-06 1985-02-06

Country Status (1)

Country Link
JP (1) JPS61135961U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015072067A (en) * 2011-08-03 2015-04-16 日本精工株式会社 Rolling bearing with seal ring

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56994B2 (en) * 1972-12-12 1981-01-10
JPS57117B2 (en) * 1977-06-24 1982-01-05

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56994B2 (en) * 1972-12-12 1981-01-10
JPS57117B2 (en) * 1977-06-24 1982-01-05

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015072067A (en) * 2011-08-03 2015-04-16 日本精工株式会社 Rolling bearing with seal ring

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