JPH0380157U

JPH0380157U -

Info

Publication number: JPH0380157U
Application number: JP14215689U
Authority: JP
Priority date: 1989-12-07
Filing date: 1989-12-07
Publication date: 1991-08-16

Description

[Brief explanation of the drawing]

第１図は本考案に係る履帯シールのセツト前の
状態を示す断面図、第２図は同セツト状態を示す
断面図、第３図は同セツト時の作業要領を示す断
面図、第４図は履帯の回転体との巻回角度を示す
説明図、第５図は本考案の他の実施例を示す断面
図、第６図は履帯連結部の部分断面図、第７図Ａ
は従来の履帯シールの一例を示す断面図、第７図
Ｂは同シール面の摩耗状態を示す説明断面図であ
る。１……内方リンク、２……外方リンク、３……
ブツシユ、４……軸ピン、Ｓ，Ｓ′，Ｓ″……シ
ール組立体、５……カウンタボア、１０……内径
側基部リング、１１……外径側基部リング、１２
……連接帯リング、１３……スリーブリング部。 Fig. 1 is a cross-sectional view showing the state before setting the crawler seal according to the present invention, Fig. 2 is a cross-sectional view showing the same setting state, Fig. 3 is a cross-sectional view showing the work procedure at the time of setting, Fig. 4 5 is an explanatory diagram showing the winding angle of the crawler belt with the rotating body, FIG. 5 is a sectional view showing another embodiment of the present invention, FIG. 6 is a partial sectional view of the crawler linking part, and FIG. 7A
7B is a cross-sectional view showing an example of a conventional crawler belt seal, and FIG. 7B is an explanatory cross-sectional view showing the state of wear of the seal surface. 1...Inner link, 2...Outer link, 3...
Bush, 4... Axis pin, S, S', S''... Seal assembly, 5... Counterbore, 10... Inner diameter side base ring, 11... Outer diameter side base ring, 12
...Connection band ring, 13...Sleeve ring part.

Claims

[Scope of claims for utility model registration] (1) Inner link press-fitted into the end of the bushing;
In the crawler track connection portion formed by the outer link press-fitted and fixed to the end of the shaft pin rotatably inserted into the bush, an annular counterbore having a side wall surface and an upper wall surface is bored in the outer link, and A spacer ring is provided protruding from the inner diameter of the end of the bush facing the counterbore, and the inner and outer base rings are connected in a telescopic manner by connecting the inner and outer circumferential ends of the inner and outer base rings. 1. A crawler track seal comprising a seal assembly comprising a belt ring, an outer base ring on the upper end surface of the counterbore, and an inner base ring on the inner diameter side of a sleeve link at the bush end that is press-fitted and fixed to the upper end surface of the counterbore. (2) The track seal according to claim (1), wherein the seal assembly forms a substantially S-shaped cross section when set in a counterbore bored in the outer link.