JPH0354889U

JPH0354889U -

Info

Publication number: JPH0354889U
Application number: JP11245089U
Authority: JP
Priority date: 1989-09-26
Filing date: 1989-09-26
Publication date: 1991-05-27

Description

[Brief explanation of drawings]

図面は、本考案の実施例で、第１図は、側面図
、第２図は、要部の拡大截断側面図、第３図は、
切除片又はコアサンプルの斜視図である。１……コアドリル本体、４……ガイドレール、
３……中空シヤフト、４……コアビツト、５……
吊杆、６……横孔、７……脚体、８……支持片、
９……ねじ部、１０……バキユームホース、１１
……注水手段。 The drawings show an embodiment of the present invention; FIG. 1 is a side view, FIG. 2 is an enlarged cross-sectional side view of the main parts, and FIG.
FIG. 2 is a perspective view of a resected piece or core sample. 1...Core drill body, 4...Guide rail,
3...Hollow shaft, 4...Core bit, 5...
Hanging rod, 6... horizontal hole, 7... leg body, 8... support piece,
9... Threaded part, 10... Vacuum hose, 11
...Water injection means.

Claims

[Claims for Utility Model Registration] (1) A core drill in which a core drill body 1 is movably mounted on a guide rail 2 and a cylindrical core bit 4 is provided on a shaft 3 of the core drill body 1. A suspension rod 5 is inserted into the hollow shaft 3, and the upper end of the suspension rod 5 is supported by the upper end of the guide rail 2, and the lower end of the suspension rod 5 is cut out. A fall prevention structure for a core drill, characterized in that it is configured to suspend a piece or core sample B part. (2) A claim in which the hanging rod 5 is made hollow, horizontal holes 6, 6 are bored at the lower end of the hanging rod 5, and the cooling water supplied to the hole through the hanging rod 5 is sucked out. A fall prevention device for the core drill according to item 1.