JPS61154615U

JPS61154615U -

Info

Publication number: JPS61154615U
Application number: JP3754485U
Authority: JP
Priority date: 1985-03-18
Filing date: 1985-03-18
Publication date: 1986-09-25

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例のコンクリート穿孔
装置の側面図、第２図は同装置の縦断面図、第３
図は連結装置部分の横断面図、第４図は保持装置
を具備させたコンクリート穿孔装置の概略図、第
５図は保持装置の横断面図、第６図は従来の水を
使用するコンクリート穿孔装置の側面図である。１…駆動軸、１ａ…誘導孔、１ｂ…開口部、２
…連結装置、２ａ…連結空所、２ｂ…吸引口、３
，４…カバー金具、５，８…コンクリート穿孔用
ドリル切削刃、５ａ…接続部、５ｂ…導通孔、５
ｃ…環状ダイヤモンドチツプ、５ｄ…取付部、５
ｅ…吸引溝、６…保持装置、６ａ…スタンド、６
ｂ…バネ、６ｃ…位置決め板、６ｄ…開口、７，
９…駆動工具、１０…支持装置、１０ａ…ハンド
ル、１０ｂ…つかみ金物、１１…給水装置、１２
…彫込みアンカーボルト。 Fig. 1 is a side view of a concrete drilling device according to an embodiment of the present invention, Fig. 2 is a longitudinal sectional view of the same device, and Fig.
The figure is a cross-sectional view of the connecting device part, Figure 4 is a schematic diagram of a concrete drilling device equipped with a holding device, Figure 5 is a cross-sectional view of the holding device, and Figure 6 is a conventional concrete drilling using water. FIG. 3 is a side view of the device. 1... Drive shaft, 1a... Guide hole, 1b... Opening, 2
...Connection device, 2a...Connection space, 2b...Suction port, 3
, 4...Cover metal fittings, 5, 8...Drill cutting blade for concrete drilling, 5a...Connection portion, 5b...Conducting hole, 5
c...Annular diamond chip, 5d...Mounting part, 5
e... Suction groove, 6... Holding device, 6a... Stand, 6
b...Spring, 6c...Positioning plate, 6d...Opening, 7,
9... Drive tool, 10... Support device, 10a... Handle, 10b... Gripping hardware, 11... Water supply device, 12
...Engraved anchor bolt.

Claims

[Claims for Utility Model Registration] (1) A concrete drilling drill cutting blade having a through hole from the tip to the inside, one end of which is connected to the cutting blade and the other end to a drive tool, which communicates with the through hole; A concrete drilling device comprising: a drive shaft having a guide hole having a larger diameter than a conduction hole and an opening communicating with the guide hole; and a connecting part connected to the drive shaft and having a connecting cavity communicating with the opening. (2) The concrete drilling device according to claim 1, which is a utility model, and includes a holding device having means for positioning the tip of the cutting blade to the part to be cut and means for guiding the cutting blade in the axial direction.