JPS6272362U

JPS6272362U -

Info

Publication number: JPS6272362U
Application number: JP16471285U
Authority: JP
Priority date: 1985-10-25
Filing date: 1985-10-25
Publication date: 1987-05-09

Description

[Brief explanation of drawings]

第１図は本考案アームの側面図、第２図は第１
図のＡより見た平面図、第３図は本考案アームの
基端部ブロツクの側面図、第４図は第３図のＢよ
り見た平面図、第５図は第４図のＣ―Ｃより見た
断面図、第６図は本考案アームの他の実施例の側
面図、第７図は第６図のＤより見た平面図、第８
図は作業アタツチメントを装着した油圧シヨベル
の側面図、第９図は従来技術のアームの側面図、
第１０図は第９図のＥより見た平面図、第１１図
は従来技術アームの基端部ブロツクの側面図、第
１２図は第１１図のＦより見た平面図、第１３図
は従来技術アームの他の実施例の側面図、第１４
図は第１３図のＧより見た平面図である。１ａ……アーム、２……側板、４……上部ブラ
ケツト、５……アームフートボス、６ａ……基端
板、７ａ……後部ブラケツト、８ａ……ブラケツ
トプレート、１２ａ……基端部ブロツク、１３…
…ピン穴、１６……アームシリンダ、１８……バ
ケツトシリンダ。 Figure 1 is a side view of the arm of the present invention, and Figure 2 is a side view of the arm of the present invention.
3 is a side view of the proximal end block of the arm of the present invention, FIG. 4 is a plan view as seen from B in FIG. 3, and FIG. 5 is a plan view seen from C in FIG. 4. 6 is a side view of another embodiment of the arm of the present invention; FIG. 7 is a plan view as seen from D in FIG. 6;
The figure is a side view of a hydraulic excavator equipped with a work attachment, and Figure 9 is a side view of a conventional arm.
10 is a plan view as seen from E in FIG. 9, FIG. 11 is a side view of the base end block of the conventional arm, FIG. 12 is a plan view as seen from F in FIG. 11, and FIG. Side view of another embodiment of the prior art arm, No. 14
The figure is a plan view seen from G in FIG. 13. 1a... Arm, 2... Side plate, 4... Upper bracket, 5... Arm foot boss, 6a... Base end plate, 7a... Rear bracket, 8a... Bracket plate, 12a... Base end block, 13...
...Pin hole, 16...Arm cylinder, 18...Bucket cylinder.

Claims

[Scope of utility model registration request]

An upper bracket for attaching a bucket cylinder is erected on the upper surface of the side plate near the base end of the arm for a hydraulic excavator, and the base end plate of the arm is welded in an inclined manner to close the base end surface of the arm. In an arm structure in which a rear bracket for mounting the arm cylinder is provided at the upper part of the rear part and an arm foot boss is fixed to the lower part of the base end plate, a notch is provided in the base end plate, and the bracket plate of the rear bracket is attached to the notch. A structure of an arm for a hydraulic excavator, characterized in that the arm is inserted and fixed in an extended manner, and the bracket plate is fixed to the outer periphery of an arm foot boss.