JPH0332639U

JPH0332639U -

Info

Publication number: JPH0332639U
Application number: JP9109589U
Authority: JP
Priority date: 1989-08-02
Filing date: 1989-08-02
Publication date: 1991-03-29

Description

[Brief explanation of drawings]

図は本考案の一実施例を示し、第１図はチヤツ
キング装置の概略構成図、第２図はチヤツキング
装置のベース部の正面図、第３図イはドロツプハ
ンマーの上部部位の概略構成図、第３図ロはイの
側面図、第３図ハはロの平面構成図、第４図は杭
工事の概略断面構成図である。１……チヤツキング装置、２……爪板、２ａ…
…爪、３……ベース部、４……支持板、５……連
結ピン、６……重り部、７……吊り下げ部、１１
……コンクリート杭、１７……ドロツプハンマー
、１７ａ……引掛凹部。 The figures show one embodiment of the present invention, in which Fig. 1 is a schematic diagram of the chucking device, Fig. 2 is a front view of the base of the chucking device, Fig. 3A is a schematic diagram of the upper part of the drop hammer, and Fig. 3A is a schematic diagram of the upper part of the drop hammer. Figure 3B is a side view of Figure 3A, Figure 3C is a plan view of Figure 3B, and Figure 4 is a schematic cross-sectional view of the pile construction. 1...Chicking device, 2...Claw plate, 2a...
...claw, 3 ... base part, 4 ... support plate, 5 ... connection pin, 6 ... weight part, 7 ... hanging part, 11
... Concrete pile, 17 ... Drop hammer, 17a ... Hook recess.

Claims

[Scope of utility model registration request]

A device for pulling up a drop hammer that has fallen into a pile, the device has a claw at the lower end that can engage a hook recess formed in a concave shape on the upper outer periphery of the drop hammer, and the upper end is rotatable. A chucking device for lifting a drop hammer, comprising two or more claw plates connected to a base part.