JPS6272361U

JPS6272361U -

Info

Publication number: JPS6272361U
Application number: JP7399686U
Authority: JP
Priority date: 1986-05-19
Filing date: 1986-05-19
Publication date: 1987-05-09

Description

[Brief explanation of drawings]

図面は本考案の実施例を示すもので、第１図は
油圧シリンダに連結して示す支持板の斜視図、第
２図は同上の断面図、第３図は支持板の装架状態
の側面図、第４図イ，ロは支持板を上昇位置させ
た状態と下降位置させた状態の正面図、第５図は
本考案装置を装備した掘削機の作業状態の側面図
、第６図は従来公知の掘削機の作業状態の正面図
である。２，２′……前後端部、１……支持板、６，６
′……上下動装置たる油圧シリンダ、７……掘削
機。 The drawings show an embodiment of the present invention, in which Fig. 1 is a perspective view of the support plate connected to a hydraulic cylinder, Fig. 2 is a sectional view of the same, and Fig. 3 is a side view of the support plate in the installed state. Figures 4A and 4B are front views with the support plate in the raised position and the lowered position, Figure 5 is a side view of the excavator equipped with the device of the present invention in the working state, and Figure 6 is FIG. 2 is a front view of a conventionally known excavator in a working state. 2, 2'... Front and rear ends, 1... Support plate, 6, 6
'...Hydraulic cylinder as a vertical movement device, 7...Excavator.

Claims

[Claims for Utility Model Registration] 1. A support plate whose front and rear ends are curved upward,
1. A subsidence prevention device for an excavator, characterized in that it is installed below the excavator and between shoe plates on both sides via a vertical movement device. 2. The sinking prevention device for an excavator according to claim 1, wherein the vertical movement device is a hydraulic cylinder. 3. The sinking prevention device for an excavator according to claim 1, wherein the vertical movement device is a hydraulic jack. 4. Claims for Utility Model Registration characterized in that the support plate has an upper surface that is gently sloped on both the left and right sides with the vertical centerline being the top, and that the subsequent left and right edge surfaces are steeply sloped. The subsidence prevention device for an excavator according to item 1, 2, or 3. 5. Claims 1 and 2 of the utility model registration claim, characterized in that the support plate has a plurality of grooves and protrusions running in the front-rear direction, that is, the longitudinal direction, arranged alternately in parallel on the bottom surface thereof. The subsidence prevention device for an excavator according to item 3 or 4.