JPH0431090U

JPH0431090U -

Info

Publication number: JPH0431090U
Application number: JP7323490U
Authority: JP
Priority date: 1990-07-09
Filing date: 1990-07-09
Publication date: 1992-03-12

Description

[Brief explanation of the drawing]

第１図はこの考案の主ウエイトを装着した上部
旋回体後部の要部断面図、第２図はこの考案の補
助ウエイトを取付けたときの上部旋回体後部の要
部断面図、第３図は第２図における補助ウエイト
の斜視図、第４図は第２図のＢより見た要部平面
図、第５図は従来技術のカウンタウエイトの組立
構成を示す分解斜視図、第６図は第５図における
油圧シヨベルの後面図、第７図は第６図のＡ−Ａ
より見た要部断面図である。１……カウンタウエイト、２，２′……上部旋
回体、５，１６……主ウエイト、７，２４……補
助ウエイト、１０，１３，２３，２７……締付ボ
ルト、１２，１２′……ウエイト支持桁、１４，
１４′……エンジン室。 Figure 1 is a sectional view of the main part of the rear part of the revolving superstructure with the main weight of this invention attached, Figure 2 is a sectional view of the main part of the rear part of the revolving superstructure with the auxiliary weight of this invention attached, and Fig. 3 is FIG. 4 is a perspective view of the auxiliary weight in FIG. 2, FIG. 4 is a plan view of the main part seen from B in FIG. 2, FIG. 5 is an exploded perspective view showing the assembled configuration of a conventional counterweight, and FIG. The rear view of the hydraulic excavator in Figure 5, and Figure 7 is A-A in Figure 6.
FIG. 1... Counterweight, 2, 2'... Upper revolving body, 5, 16... Main weight, 7, 24... Auxiliary weight, 10, 13, 23, 27... Tightening bolt, 12, 12'... ...Weight support girder, 14,
14'...Engine room.

Claims

[Scope of utility model registration request]

In a counterweight in which the main weight is attached to the weight support girder at the rear end of the aircraft, and an auxiliary weight is added to the main weight to increase the weight, the front of the main weight and the rear surface of the engine compartment of the aircraft are An auxiliary weight is formed into a flat plate shape so that it can be sandwiched between the auxiliary weights, and bolt holes are drilled through the auxiliary weights in the vertical and longitudinal directions. When attaching the auxiliary weights to the main weights, The weight was installed by moving it to the rear of the weight support girder, and the auxiliary weight was placed in front of the main weight, and the auxiliary weight was fixed to the weight support girder and the main weight. An increasing counterweight device characterized by comprising: