JPS6259577U

JPS6259577U -

Info

Publication number: JPS6259577U
Application number: JP14993585U
Authority: JP
Priority date: 1985-10-02
Filing date: 1985-10-02
Publication date: 1987-04-13

Description

[Brief explanation of the drawing]

第１図は本考案ベースフレームの斜視図、第２
図は同上の平面図、第３図は同上の側面図である
。第４図は油圧シヨベルの全体側面図、第５図は
同上の下部走行体の構成を示す側面図である。第
６図は従来のベースフレームの斜視図、第７図は
車体揺動時にベースフレームに加わる外力と荷重
を示す解析図である。３１……ベースフレーム、３２……カーボデイ
ー、３３……中間フレーム、３６……円筒部、３
５，３８……補強材、４０……トラツクフレーム
、４１……アイドルサポート部、４４……中間ビ
ーム、４２，４５……フランジ、４６……ドライ
ブサポート部。 Figure 1 is a perspective view of the base frame of the present invention, Figure 2 is a perspective view of the base frame of the present invention;
The figure is a plan view of the same as the above, and FIG. 3 is a side view of the same. FIG. 4 is an overall side view of the hydraulic excavator, and FIG. 5 is a side view showing the configuration of the lower traveling body same as above. FIG. 6 is a perspective view of a conventional base frame, and FIG. 7 is an analysis diagram showing the external force and load applied to the base frame when the vehicle body is rocked. 31...Base frame, 32...Car body, 33...Intermediate frame, 36...Cylindrical part, 3
5, 38... Reinforcement material, 40... Truck frame, 41... Idle support section, 44... Intermediate beam, 42, 45... Flange, 46... Drive support section.

Claims

[Scope of utility model registration request]

The base frame consists of a central main body of the base frame called a car body, and two left and right track frames that support idle wheels, drive wheels, and crawlers. A base frame characterized in that four hollow cylindrical frames projecting downward with a slope and are individually connected to the side surfaces of the left and right truck frames.