JPH01138955U

JPH01138955U -

Info

Publication number: JPH01138955U
Application number: JP2948588U
Authority: JP
Priority date: 1988-03-04
Filing date: 1988-03-04
Publication date: 1989-09-22

Description

[Brief explanation of drawings]

第１図はこの考案にかかるアーム先端部の給脂
構造を示す断面図、第２図は第１図のＢ―Ｂより
見た一部断面側面図、第３図は油圧シヨベルの側
面図、第４図は第３図のＡ―Ａより見た従来技術
給脂構造の断面図である。３，３′……アーム、４……バケツト、５……
アイドラリンク、８，９，２０，２４……ピン結
合部、１１，１２，２１，２５……ボス部材、１
３，１４，２８……連結ピン、１５，１６，２２
，２６……グリース溜り部、１７，１８，３１，
３２……グリースニツプル、２３，２７……グリ
ース流入口、２９……側板、３０……隔壁板、３
４……プレート部材、３５，３６……間隔空間部
。 Fig. 1 is a cross-sectional view showing the greasing structure at the tip of the arm according to this invention, Fig. 2 is a partially sectional side view taken from BB in Fig. 1, and Fig. 3 is a side view of the hydraulic excavator. FIG. 4 is a sectional view of the prior art greasing structure taken along line AA in FIG. 3,3'...Arm, 4...Bucket, 5...
Idler link, 8, 9, 20, 24...Pin joint portion, 11, 12, 21, 25...Boss member, 1
3, 14, 28...Connection pin, 15, 16, 22
, 26... Grease reservoir section, 17, 18, 31,
32... Grease nipple, 23, 27... Grease inlet, 29... Side plate, 30... Partition plate, 3
4... Plate member, 35, 36... Interval space part.

Claims

[Scope of utility model registration request]

Attach the boom to the front part of the hydraulic excavator,
In a work attachment in which an arm and a bucket are sequentially connected to the tip of the boom, internal grease reservoirs of the two boss members are placed on the outer peripheries of the tip boss member of the arm tip and the boss member for attaching the idler link in opposing directions. A grease inlet is formed in each of the boss members so as to communicate with the boss member, and two upper and lower plate members are installed at a predetermined distance in the axial direction of the two boss members so as to seal both the grease inlets inside. , and is fixed to the outer circumference of both the boss members and the inner surface of the arm side plate, and the above-mentioned 2
A partition plate is fixedly provided near the middle of the two boss members so as to divide the space between the two plate members, and the space on the end boss member side and the space on the side of the idler link mounting boss member are provided with a partition wall plate. A greasing structure for the tip of an arm, characterized in that a grease nipple is provided on the outer side of the arm side plate so that grease can be supplied separately to the arm.