JPH0365013U - - Google Patents

Info

Publication number
JPH0365013U
JPH0365013U JP1989126428U JP12642889U JPH0365013U JP H0365013 U JPH0365013 U JP H0365013U JP 1989126428 U JP1989126428 U JP 1989126428U JP 12642889 U JP12642889 U JP 12642889U JP H0365013 U JPH0365013 U JP H0365013U
Authority
JP
Japan
Prior art keywords
members
fitted
counterbore
recess
side edges
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
JP1989126428U
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 JP1989126428U priority Critical patent/JPH0365013U/ja
Publication of JPH0365013U publication Critical patent/JPH0365013U/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
    • 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
    • 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

  • Component Parts Of Construction Machinery (AREA)
  • Pivots And Pivotal Connections (AREA)

Description

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

第１図は本考案の第１実施例を示す断面図、第
２図は第１図に示した第１実施例に組込んだ弾性
ブツシユの詳細拡大断面図、第３図は第２実施例
を示す断面図、第４図は第３図に示した第２実施
例に組込んだ衝撃吸収リングの正面図、第５図は
第６図のＡ−Ａ断面であつて衝撃吸収リンクの詳
細断面図、第６図は油圧式掘削機の概略側面図、
第７図は従来の作業機の連結ピン装置の一例を示
す断面図である。 ａ……上部旋回体、ｂ……作業機、ｃ……ブー
ム、ｄ……アーム、ｅ……バケツト、ｆ，ｇ，ｈ
……連結ピン、１ａ，１ｂ……ブラケツト、５…
…軸支ピン、１４ａ，１４ｂ……〓間、１５……
ブラケツトテーパ面、１６……アームテーバ面、
１７……山形状空間部、Ｓ１，Ｓ２……弾性ブツ
シユ、１８……ブツシユ本体、２０，２１……金
属リング、２２……摺動リング、２５ａ，２５ｂ
……カウンタボア、Ｓ１′，Ｓ２′……衝撃吸収
リング、２６……リング本体、２７……外リング
、２８……内リング、３５……スリツト。 Fig. 1 is a sectional view showing the first embodiment of the present invention, Fig. 2 is a detailed enlarged sectional view of the elastic bushing incorporated in the first embodiment shown in Fig. 1, and Fig. 3 is the second embodiment. 4 is a front view of the shock absorbing ring incorporated in the second embodiment shown in FIG. 3, and FIG. 5 is a cross section taken along line AA in FIG. 6, showing details of the shock absorbing link. A sectional view, FIG. 6 is a schematic side view of a hydraulic excavator,
FIG. 7 is a sectional view showing an example of a conventional connecting pin device for a working machine. a...Upper revolving structure, b...Work equipment, c...Boom, d...Arm, e...Bucket, f, g, h
...Connection pin, 1a, 1b...Bracket, 5...
...Spindle pin, 14a, 14b... Between, 15...
Bracket tapered surface, 16...Arm tapered surface,
17... Mountain-shaped space portion, S 1 , S 2 ... Elastic bushing, 18... Bush body, 20, 21... Metal ring, 22... Sliding ring, 25a, 25b
...Counterbore, S1 ', S2 '...Shock absorption ring, 26...Ring body, 27...Outer ring, 28...Inner ring, 35...Slit.

Claims (1)

【実用新案登録請求の範囲】 (1) 互に連結すべき部材の一方を凹状に形成し
、他方を、該一方の凹部に嵌合したうえ、これら
両部材の軸孔に軸支ピンを挿通して、相対回転可
能に連結したものにおいて、前記両部材の嵌合側
縁部に形成される両隙間のそれぞれ円環状テーパ
溝を穿設したうえ、該テーパ溝に断面略山形状の
弾圧ブツシユを嵌装したことを特徴とする作業機
の連結ピン装置。 (2) 互に連結すべき部材の一方を凹状に形成し
、他方を、該一方の凹部に嵌合したうえ、これら
両部材の軸孔に軸支ピンを挿通して相対回転可能
に連結したものにおいて、前記両部材の嵌合側縁
部の、いずれか一方の部材に環状カウンタボアを
穿設したうえ、該カウンタボアに断面略矩形状弾
圧材をアングル状内外リングで被覆されてなる衝
撃吸収リングを嵌装したこと。を特徴とする作業
機の連結ピン装置。[Claims for Utility Model Registration] (1) One of the members to be connected to each other is formed into a concave shape, the other is fitted into the recess of the one, and a pivot pin is inserted into the shaft hole of both of these members. In the case where the two members are connected so as to be relatively rotatable, an annular tapered groove is formed in each of the gaps formed at the fitting side edges of the two members, and a pressure bushing having a substantially mountain-shaped cross section is provided in the tapered groove. A connecting pin device for a working machine, characterized in that it is fitted with. (2) One of the members to be connected to each other is formed into a concave shape, the other is fitted into the recess of the one, and a pivot pin is inserted into the shaft hole of both members to connect them so that they can rotate relative to each other. In the shock absorber, an annular counterbore is formed in one of the fitting side edges of the two members, and the counterbore is covered with an angular inner and outer ring made of a resilient material having a substantially rectangular cross section. Fitted with an absorption ring. A connecting pin device for working machines, characterized by:
JP1989126428U 1989-10-27 1989-10-27 Pending JPH0365013U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989126428U JPH0365013U (en) 1989-10-27 1989-10-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989126428U JPH0365013U (en) 1989-10-27 1989-10-27

Publications (1)

Publication Number Publication Date
JPH0365013U true JPH0365013U (en) 1991-06-25

Family

ID=31674240

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989126428U Pending JPH0365013U (en) 1989-10-27 1989-10-27

Country Status (1)

Country Link
JP (1) JPH0365013U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015025304A (en) * 2013-07-26 2015-02-05 コベルコ建機株式会社 Work attachment and construction machine provided therewith
JP2015141649A (en) * 2014-01-30 2015-08-03 豊田鉄工株式会社 Bearing part structure of pedal for vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015025304A (en) * 2013-07-26 2015-02-05 コベルコ建機株式会社 Work attachment and construction machine provided therewith
JP2015141649A (en) * 2014-01-30 2015-08-03 豊田鉄工株式会社 Bearing part structure of pedal for vehicle

Similar Documents

Publication Publication Date Title
JPH0365013U (en)
JPS6029503Y2 (en) Backhoe intermediate boom structure
JPS637426U (en)
JPS5810767Y2 (en) Seal structure of arm for earthwork work
JPS6171643U (en)
JPH0262947U (en)
JPS6120130Y2 (en)
JPH03111655U (en)
JPH0232361U (en)
JPS6341658U (en)
JPS6254319U (en)
JP2799370B2 (en) Excavator swivel bucket hand
JPH0471872U (en)
JPH0480923U (en)
JPS58115559U (en) Hydraulic hose holding device for hydraulic working machines
JPS6285554U (en)
JPH0441541U (en)
JPS61152055U (en)
JPS6299660U (en)
JPH0446149U (en)
JPH03108045U (en)
JPH01118994U (en)
JPH0441548U (en)
JPS6285556U (en)
JPS6431149U (en)