JPS6212642U

JPS6212642U -

Info

Publication number: JPS6212642U
Application number: JP10375885U
Authority: JP
Priority date: 1985-07-08
Filing date: 1985-07-08
Publication date: 1987-01-26

Description

[Brief explanation of the drawing]

第１図はこの考案による吊上げ装置と油圧ハン
マ装置とをリーダに取付けた状態を示す側面図、
第２図ないし第７図はこの考案の一実施例を示す
もので、第２図は第１図のリーダがわから見た図
、第３図は第２図の―断面図、第４図は第２
図の左側面図、第５図、第６図、第７図は吊上げ
用レバーの作動を説明する図である。 FIG. 1 is a side view showing a lifting device and a hydraulic hammer device according to this invention attached to a leader;
Figures 2 to 7 show an embodiment of this invention. Figure 2 is a view of the reader in Figure 1, Figure 3 is a sectional view of Figure 2, and Figure 4 is a cross-sectional view of Figure 2. Second
The left side view, FIG. 5, FIG. 6, and FIG. 7 are diagrams for explaining the operation of the lifting lever.

Claims

[Scope of utility model registration request]

In a pile driving machine where a hammer device is attached to the guide pipe of the leader so that it can slide up and down, the lifting device body is attached to the guide pipe so that it can slide up and down, and the lifting lever is supported at the bottom of the lifting device body. It is supported so as to be swingable via a pin, and is provided with a catch seat that holds the lifting lever in a horizontal state and a stopper that restricts the swinging angle of the lifting lever upward from the horizontal state.
When the intermediate portion of the lifting lever in a horizontal state hits a projection provided on the main body of the hammer device as the lifting device main body descends, the lifting lever is swung upward and passes through the projection. 1. A lifting device for a hammer device, characterized in that the lifting lever is configured such that the lifting lever returns to a horizontal state, and an operating rope body is connected to an end of the lifting lever on the side opposite to the receiving seat.