JPH0223055U - - Google Patents
Info
- Publication number
- JPH0223055U JPH0223055U JP1988098521U JP9852188U JPH0223055U JP H0223055 U JPH0223055 U JP H0223055U JP 1988098521 U JP1988098521 U JP 1988098521U JP 9852188 U JP9852188 U JP 9852188U JP H0223055 U JPH0223055 U JP H0223055U
- Authority
- JP
- Japan
- Prior art keywords
- boss
- grease nipple
- mounting body
- positioning hole
- pin
- 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
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
第１図は、本考案による枢支部構造を有するバ
ツクホーの側面図。第２図は、同要部の断面図。
第３図は、ブツシユの断面図。第４図は、第３図
の―線断面図。第５図は、グリースニツプル
取付体の断面図。第６図は、第５図のＢ矢視図。
Ａ：バツクホー、１７：枢支ピン、２０：ボス
、２１，２１′：左右枢支用突片、２２，２２′
：左右ピン挿通孔、２３：位置決め孔、２４：ブ
ツシユ、２５：グリースニツプル取付体、２５ａ
：内側端、２５ｂ：グリースニツプル保護用凹部
、２５ｃ：グリース供給路、２６：グリースニツ
プル。
FIG. 1 is a side view of a backhoe having a pivot structure according to the present invention. FIG. 2 is a sectional view of the main part.
Figure 3 is a sectional view of the bush. FIG. 4 is a sectional view taken along the line -- in FIG. 3. FIG. 5 is a sectional view of the grease nipple mounting body. FIG. 6 is a view taken along arrow B in FIG. A: Backhoe, 17: Pivot pin, 20: Boss, 21, 21': Left and right pivot pieces, 22, 22'
: Left and right pin insertion hole, 23: Positioning hole, 24: Bush, 25: Grease nipple mounting body, 25a
: Inner end, 25b: Grease nipple protection recess, 25c: Grease supply path, 26: Grease nipple.
Claims (1)
に、他方の部材の基端に設けた左右枢支用突片２
１，２１′の左右ピン挿通孔２２，２２′を符合
させ、同ピン挿通孔２２，２２′中及びボス２０
中に枢支ピン１７を貫通させて、両部材を相互に
回動自在に連結し、ボス２０の内周面と枢支ピン
１７の外周面との間に、周壁に位置決め孔２３を
有する筒状のブツシユ２４を介在させ、ボス２０
の周壁で同位置決め孔２３と対向する個所に、グ
リース供給路２５ｃを有するグリースニツプル取
付体２５を、内側端２５ａが位置決め孔２３内に
嵌入すべく取付け、同取付体２５の外側端に形成
したグリースニツプル保護用凹部２５ｂ内に、グ
リースニツプル２６を取付けてなる連設機械にお
ける作業機回動支点ピンの枢支部構造。 Left and right pivoting protrusions 2 provided at the left and right ends of the boss 20 provided at the tip of one member and at the base end of the other member
Align the left and right pin insertion holes 22, 22' of 1 and 21', and insert the inside of the pin insertion holes 22, 22' and the boss 20.
A cylinder having a positioning hole 23 in the peripheral wall between the inner circumferential surface of the boss 20 and the outer circumferential surface of the pivot pin 17, with the pivot pin 17 passing therethrough to connect both members rotatably to each other. The boss 20 is interposed with a shaped bush 24.
A grease nipple mounting body 25 having a grease supply path 25c is attached to a portion of the peripheral wall facing the positioning hole 23 so that the inner end 25a fits into the positioning hole 23, and the grease nipple mounting body 25 is formed at the outer end of the mounting body 25. A pivot support structure for a working machine rotation fulcrum pin in an interconnected machine, in which a grease nipple 26 is installed in a grease nipple protection recess 25b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988098521U JPH0223055U (en) | 1988-07-25 | 1988-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988098521U JPH0223055U (en) | 1988-07-25 | 1988-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0223055U true JPH0223055U (en) | 1990-02-15 |
Family
ID=31324869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988098521U Pending JPH0223055U (en) | 1988-07-25 | 1988-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0223055U (en) |
-
1988
- 1988-07-25 JP JP1988098521U patent/JPH0223055U/ja active Pending