JPS594814U - Lubrication device for link joints - Google Patents

Lubrication device for link joints

Info

Publication number
JPS594814U
JPS594814U JP9818682U JP9818682U JPS594814U JP S594814 U JPS594814 U JP S594814U JP 9818682 U JP9818682 U JP 9818682U JP 9818682 U JP9818682 U JP 9818682U JP S594814 U JPS594814 U JP S594814U
Authority
JP
Japan
Prior art keywords
link
lubrication
lubrication device
pin
annular groove
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
JP9818682U
Other languages
Japanese (ja)
Inventor
繁雄 田中
Original Assignee
日立建機株式会社
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 日立建機株式会社 filed Critical 日立建機株式会社
Priority to JP9818682U priority Critical patent/JPS594814U/en
Publication of JPS594814U publication Critical patent/JPS594814U/en
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
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/045—Pivotal connections with at least a pair of arms pivoting relatively to at least one other arm, all arms being mounted on one pin

Landscapes

  • Pivots And Pivotal Connections (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は油圧ショベルの概略構成の側面図、第２図は油
圧ショベルの従来のリンク関節部の給脂装置の断面図、
第３図は本考案の一実施例に係るリンク関節部の給脂装
置の断面図、第４図は第３図の一部拡大断面図、第５図
は本考案の他の実施例に係るリンク関節部の給脂装置の
一部拡大断面図である。 ４ａ・・・・・・ブームリンクの軸受部、５ａ・・・・
・・アームリンクのボス、１０・−・・・・ピン、１６
・・・・・・給脂用通路、１６ａ・・・・・・中央通路
、１６ｂ・・・・・・側方通路、１７・・・・・・環状
溝、２０．２４・・・・・・グリスニップル、２１・・
・・・・スペーサ、２２・・・・・・ボール、２３・・
・・・・スプリング。 第４図 第５図Fig. 1 is a side view of a schematic configuration of a hydraulic excavator, Fig. 2 is a sectional view of a conventional lubricating device for link joints of a hydraulic excavator,
Fig. 3 is a sectional view of a link joint lubricating device according to an embodiment of the present invention, Fig. 4 is a partially enlarged sectional view of Fig. 3, and Fig. 5 is a sectional view of another embodiment of the present invention. FIG. 2 is a partially enlarged cross-sectional view of a lubricating device for a link joint. 4a...Bearing part of boom link, 5a...
...Arm link boss, 10...Pin, 16
... Greasing passage, 16a ... Central passage, 16b ... Side passage, 17 ... Annular groove, 20.24 ...・Grease nipple, 21...
...Spacer, 22...Ball, 23...
····spring. Figure 4 Figure 5

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 相対的に回動する第１のリンクおよび第２のリンクと、
これらリンク相互を結合するピンと、このピンに設けら
れた給脂用通路と、前記ピンと前記リンクとの摺動部に
設けられるとともに前記給脂用通路と連通ずる環状溝と
、この環状溝と外部との間に設けられたダストシールと
、前記給脂用通路に給脂する給脂用ニップルとを備えた
リンク関節部の給脂装置において、前記給紙用ニップル
と前記環状溝との間に逆止弁を設けたことを特徴とする
リンク関節部の給脂装置。a first link and a second link that rotate relatively;
A pin that connects these links to each other, a greasing passage provided in the pin, an annular groove provided in a sliding portion between the pin and the link and communicating with the greasing passage, and an annular groove and an external In the link joint lubrication device, which includes a dust seal provided between the paper feed nipple and the annular groove, and a lubrication nipple that supplies lubrication to the lubrication passage, A lubrication device for a link joint, characterized by being provided with a stop valve.
JP9818682U 1982-07-01 1982-07-01 Lubrication device for link joints Pending JPS594814U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9818682U JPS594814U (en) 1982-07-01 1982-07-01 Lubrication device for link joints

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9818682U JPS594814U (en) 1982-07-01 1982-07-01 Lubrication device for link joints

Publications (1)

Publication Number Publication Date
JPS594814U true JPS594814U (en) 1984-01-12

Family

ID=30233230

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9818682U Pending JPS594814U (en) 1982-07-01 1982-07-01 Lubrication device for link joints

Country Status (1)

Country Link
JP (1) JPS594814U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012233538A (en) * 2011-05-02 2012-11-29 Mito Kogyo Kk Grease injection device and crawler belt tensile force adjustment device using the same
JP2017148917A (en) * 2016-02-26 2017-08-31 ブラザー工業株式会社 Telescopic cover and machine tool
CN116424447A (en) * 2023-04-27 2023-07-14 溧阳市永恒热处理有限公司 Split type crawler crane thrust wheel assembly capable of uniformly distributing oil

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012233538A (en) * 2011-05-02 2012-11-29 Mito Kogyo Kk Grease injection device and crawler belt tensile force adjustment device using the same
JP2017148917A (en) * 2016-02-26 2017-08-31 ブラザー工業株式会社 Telescopic cover and machine tool
CN116424447A (en) * 2023-04-27 2023-07-14 溧阳市永恒热处理有限公司 Split type crawler crane thrust wheel assembly capable of uniformly distributing oil
CN116424447B (en) * 2023-04-27 2023-10-24 溧阳市永恒热处理有限公司 Split type crawler crane thrust wheel assembly capable of uniformly distributing oil

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