JPH04510U - - Google Patents
Info
- Publication number
- JPH04510U JPH04510U JP4026490U JP4026490U JPH04510U JP H04510 U JPH04510 U JP H04510U JP 4026490 U JP4026490 U JP 4026490U JP 4026490 U JP4026490 U JP 4026490U JP H04510 U JPH04510 U JP H04510U
- Authority
- JP
- Japan
- Prior art keywords
- support plate
- support arm
- lower support
- motor
- columns
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001179 sorption measurement Methods 0.000 description 1
Landscapes
- Drilling And Boring (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Description
第１図、第２図は、この考案の一実施例に係る
コアドリルの概略斜視図および正面図、第３図Ａ
，Ｂは、第１図の線Ａ−ＡおよびＢ−Ｂ
に沿つた断面図である。
１０……コアドリル、１２，１４……上下の支
持盤、１６……モータ、１８……支柱、２０……
支持アーム、２１……支持アームの操作用ハンド
ル、２２……減速ギヤ、２３……回転シヤフト、
２４……コアビツト、２６……取付け孔、２８，
３８……制御弁、３０……導管、３２……吸着パ
ツド、３４……リターンばね、３６……スケール
。
1 and 2 are a schematic perspective view and a front view of a core drill according to an embodiment of this invention, and FIG. 3A
, B are lines A-A and B-B in FIG.
FIG. 10... Core drill, 12, 14... Upper and lower support plates, 16... Motor, 18... Support column, 20...
Support arm, 21... Handle for operating the support arm, 22... Reduction gear, 23... Rotating shaft,
24...Core bit, 26...Mounting hole, 28,
38... Control valve, 30... Conduit, 32... Adsorption pad, 34... Return spring, 36... Scale.
Claims (1)
形成された環体の下方支持盤とを複数の支柱で連
結し、 支持アームを支柱の回りに遊嵌し、 コアビツトを駆動する減速ギヤ付モータを、上
下の支持盤の内部で支持アームに連結して配設す
ることにより、モータ、コアビツトを一体的に昇
降可能とし、 支持アームを上方に偏倚するリターンばねを支
柱に巻装してなるコアドリル。 (2) 上方支持盤とアンカーボルトの取付け孔の
形成された環体の下方支持盤とを複数の支柱で連
結し、 ラツク、ピニオンの組合せによつて、支持アー
ムを支柱に摺動自在に設け、 コアビツトを駆動する減速ギヤ付モータを、上
下の支持盤の内部で支持アームに連結して配設す
ることにより、支持アーム、モータ、コアビツト
を一体的に昇降可能としたコアドリル。 (3) 下方支持盤を下方に開口した断面形状とし
、取付け孔を下方支持盤の内部から隔離した側壁
付形状とし、下方支持盤内部を真空ポンプに連通
させるとともに、ゴム製吸着パツドを下方支持盤
の下部に装着した請求項１または２記載のコアド
リル。 (4) 支持アームの昇降位置を表示するスケール
を支柱に設けた請求項１ないし３のいずれか記載
のコアドリル。[Claims for Utility Model Registration] (1) The upper support plate and the lower support plate of the ring body in which anchor bolt attachment holes are formed are connected by a plurality of columns, and the support arms are loosely fitted around the columns, By connecting the motor with a reduction gear that drives the core bit to the support arm inside the upper and lower support plates, the motor and core bit can be raised and lowered as a unit, and a return spring that biases the support arm upward is installed. A core drill wrapped around a support. (2) The upper support plate and the lower support plate of the ring body in which anchor bolt mounting holes are formed are connected by multiple columns, and the support arm is slidably attached to the columns by a combination of rack and pinion. A core drill that enables the support arm, motor, and core bit to be raised and lowered as a unit by arranging a motor with a reduction gear that drives the core bit connected to the support arm inside the upper and lower support plates. (3) The lower support plate has a cross-sectional shape that opens downward, the mounting hole is isolated from the inside of the lower support plate, and it has a side wall shape, the inside of the lower support plate is communicated with the vacuum pump, and the rubber suction pad is supported downward. The core drill according to claim 1 or 2, which is attached to the lower part of the board. (4) The core drill according to any one of claims 1 to 3, wherein the support arm is provided with a scale that indicates the elevation position of the support arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4026490U JPH0642809Y2 (en) | 1990-04-17 | 1990-04-17 | Core drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4026490U JPH0642809Y2 (en) | 1990-04-17 | 1990-04-17 | Core drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04510U true JPH04510U (en) | 1992-01-06 |
| JPH0642809Y2 JPH0642809Y2 (en) | 1994-11-09 |
Family
ID=31549907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4026490U Expired - Lifetime JPH0642809Y2 (en) | 1990-04-17 | 1990-04-17 | Core drill |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0642809Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011230269A (en) * | 2010-04-30 | 2011-11-17 | Hitachi Koki Co Ltd | Rotary cutting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107078679B (en) | 2014-11-07 | 2020-03-31 | 株式会社日立产机系统 | Power conversion device and control method for power conversion device |
-
1990
- 1990-04-17 JP JP4026490U patent/JPH0642809Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011230269A (en) * | 2010-04-30 | 2011-11-17 | Hitachi Koki Co Ltd | Rotary cutting device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0642809Y2 (en) | 1994-11-09 |
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