JPS64659U - - Google Patents
Info
- Publication number
- JPS64659U JPS64659U JP1987095412U JP9541287U JPS64659U JP S64659 U JPS64659 U JP S64659U JP 1987095412 U JP1987095412 U JP 1987095412U JP 9541287 U JP9541287 U JP 9541287U JP S64659 U JPS64659 U JP S64659U
- Authority
- JP
- Japan
- Prior art keywords
- pin
- diameter portion
- bracket
- stepped
- large diameter
- 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.)
- Granted
Links
- 238000010276 construction Methods 0.000 claims description 3
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図は本考案の一実施例を示す断面図、第２
図は本考案の変形例を示す断面図、第３図は建設
機械の作業部を示す側面図、第４図は従来のピン
連結装置の構造例を示す断面図である。
１：ブラケツト、１ａ，１ｂ：ピン孔、２：大
径部、３：小径部、４：段付ピン、４ａ：段部、
５：ボス、６，６′：押さえ部材、７，７′：シ
ム。
Fig. 1 is a sectional view showing one embodiment of the present invention;
3 is a side view showing a working part of a construction machine, and FIG. 4 is a sectional view showing an example of the structure of a conventional pin connection device. 1: bracket, 1a, 1b: pin hole, 2: large diameter part, 3: small diameter part, 4: stepped pin, 4a: stepped part,
5: Boss, 6, 6': Holding member, 7, 7': Shim.
Claims (1)
し該ピン上にボスを枢支した建設機械のピン連結
装置において、前記ピンは大径部および小径部を
含む段付ピンよりなり、前記ブラケツトはそれぞ
れ前記大径部および小径部を受け入れるピン孔を
有し、前記小径部上にボスを枢支するとともに該
ボスの一端面を該段付ピンの段部に当接させ、該
段付ピンの大径部端面を該ブラケツトに着脱自在
に固定した押さえ部材によりシムを介して押圧し
てなる建設機械のピン連結装置。 (2) 前記シムが前記ブラケツトと押さえ部材と
の間に介在され、該押さえ部材が該ブラケツトの
ピン孔を介して段付ピンの大径部端面を押圧する
突起部を含む第１項記載のピン連結装置。 (3) 前記シムが前記ブラケツトの大径部を受け
いれるピン孔内に配置されて該大径部の端面と押
さえ部材との間に介在されている第１項記載のピ
ン連結装置。[Claims for Utility Model Registration] (1) A pin connection device for construction machinery in which a pin passes through two opposing brackets and a boss is pivotally supported on the pin, wherein the pin includes a large diameter portion and a small diameter portion. The bracket is made of a stepped pin, and each of the brackets has a pin hole for receiving the large diameter portion and the small diameter portion, and a boss is pivotally supported on the small diameter portion, and one end surface of the boss is connected to the stepped portion of the stepped pin. A pin connecting device for construction machinery, in which the stepped pin is brought into contact with the bracket and pressed via a shim by a presser member that is removably fixed to the bracket. (2) The shim according to item 1, wherein the shim is interposed between the bracket and the holding member, and the holding member includes a protrusion that presses the large diameter end face of the stepped pin through the pin hole of the bracket. Pin connection device. (3) The pin connection device according to item 1, wherein the shim is disposed in a pin hole that receives the large diameter portion of the bracket and is interposed between the end face of the large diameter portion and the holding member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987095412U JPH052692Y2 (en) | 1987-06-22 | 1987-06-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987095412U JPH052692Y2 (en) | 1987-06-22 | 1987-06-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS64659U true JPS64659U (en) | 1989-01-05 |
| JPH052692Y2 JPH052692Y2 (en) | 1993-01-22 |
Family
ID=30959908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987095412U Expired - Lifetime JPH052692Y2 (en) | 1987-06-22 | 1987-06-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH052692Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001040690A (en) * | 1999-08-02 | 2001-02-13 | Isamu Fujimori | Attaching structure of attachment in power shovel |
| JP2019127387A (en) * | 2018-01-26 | 2019-08-01 | 極東開発工業株式会社 | Special vehicle |
-
1987
- 1987-06-22 JP JP1987095412U patent/JPH052692Y2/ja not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001040690A (en) * | 1999-08-02 | 2001-02-13 | Isamu Fujimori | Attaching structure of attachment in power shovel |
| JP2019127387A (en) * | 2018-01-26 | 2019-08-01 | 極東開発工業株式会社 | Special vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH052692Y2 (en) | 1993-01-22 |