JPS61184609U - - Google Patents
Info
- Publication number
- JPS61184609U JPS61184609U JP5851786U JP5851786U JPS61184609U JP S61184609 U JPS61184609 U JP S61184609U JP 5851786 U JP5851786 U JP 5851786U JP 5851786 U JP5851786 U JP 5851786U JP S61184609 U JPS61184609 U JP S61184609U
- Authority
- JP
- Japan
- Prior art keywords
- control system
- variable reference
- reference value
- control
- electric drill
- 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
- 238000001514 detection method Methods 0.000 claims 3
- 238000005553 drilling Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Landscapes
- Drilling And Boring (AREA)
Description
図面は本考案の１実施例を示すもので、第１図
は全体構成図、第２図は保全回路のブロツク線図
、第３図は詳細回路図である。
図面中、符号１……フレーム、２……電磁ベー
ス、３……電気ドリル、３′……ドリルモーター
、４……送りモーター、５……切削工具、６……
起動スイツチ、７，１７……全波整流器、８，１
１，２１，２８，３０……コンデンサ、９，１５
，１８，２０，２０′，２５，２７，２７′……
固定抵抗、１０，１２，２３，２４……リレー、
１９，１９′，２６，２６′……可変抵抗、２２
，２９……定電圧ダイオード、３１……シリコン
制御素子、３２……切換スイツチ、３３……非常
警報ランプ。
The drawings show one embodiment of the present invention; FIG. 1 is an overall configuration diagram, FIG. 2 is a block diagram of a maintenance circuit, and FIG. 3 is a detailed circuit diagram. In the drawings, reference numerals 1...frame, 2...electromagnetic base, 3...electric drill, 3'...drill motor, 4...feed motor, 5...cutting tool, 6...
Start switch, 7, 17...Full wave rectifier, 8, 1
1, 21, 28, 30... Capacitor, 9, 15
, 18, 20, 20', 25, 27, 27'...
Fixed resistance, 10, 12, 23, 24...relay,
19, 19', 26, 26'...variable resistor, 22
, 29... Constant voltage diode, 31... Silicon control element, 32... Changeover switch, 33... Emergency alarm lamp.
Claims (1)
磁的に定着可能な電磁ベースを具え、また、同フ
レームの正面部に取り付けられ、駆動モータによ
り回動し、手動操作ハンドルと送りモーターとで
上下動する電気ドリルとを具えた電磁ベースを具
えた移動可能な穿孔機であつて、同穿孔機は、駆
動モータに接続され、電気ドリルの負荷値を検出
する検出手段と、該検出手段に接続され、同検出
手段から供給される負荷値を所定の第１可変基準
値と比較する第１手段および負荷値が第１可変基
準値を超えると指令を発する第１制御手段とによ
り構成される第１制御系と、上記検出手段に接続
され、同検出手段から供給される負荷値を第１可
変基準値よりも大きい所定の第２可変基準値と比
較する第２手段および負荷値が第２可変基準値を
超えると指令を発する第２制御手段とにより構成
される第２制御系と、第１制御系の第１制御手段
と第２制御系の第２制御手段のいずれから発せら
れる指令を受けると作動する警報手段と、第２制
御系の第２制御手段から発せられる信号を受ける
と電気ドリルへの通電を絶つ第１スイツチ手段と
、第１制御系の第１制御手段から発せられると送
りモータへの通電を絶つ第２スイツチ手段とを具
え、これらの手段に切削工具の直径の大小により
上記制御系の負荷の制御レベルを切換える切換ス
イツチを併設した電磁ベースを具えた移動可能な
穿孔機。 The lower part of the portable frame is equipped with an electromagnetic base that can be electromagnetically fixed onto the workpiece.It is also attached to the front of the frame, rotated by a drive motor, and moved up and down by a manual operation handle and a feed motor. A movable drilling machine having an electromagnetic base and an electric drill for detecting the electric drill, the drilling machine being connected to a drive motor and detecting means for detecting a load value of the electric drill; , a first means for comparing the load value supplied from the detection means with a predetermined first variable reference value, and a first control means for issuing a command when the load value exceeds the first variable reference value. a control system, a second means connected to the detection means and for comparing the load value supplied from the detection means with a predetermined second variable reference value larger than the first variable reference value; and a second variable reference value in which the load value is a second variable reference value. a second control system configured with a second control means that issues a command when the value is exceeded; and when receiving a command issued from either the first control means of the first control system or the second control means of the second control system; an alarm means that operates; a first switch means that cuts off power to the electric drill when receiving a signal issued from the second control means of the second control system; A movable drilling machine comprising an electromagnetic base which is provided with a second switch means for cutting off power to the cutting tool, and a changeover switch for switching the control level of the load of the control system according to the size of the diameter of the cutting tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5851786U JPS6246488Y2 (en) | 1986-04-18 | 1986-04-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5851786U JPS6246488Y2 (en) | 1986-04-18 | 1986-04-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61184609U true JPS61184609U (en) | 1986-11-18 |
| JPS6246488Y2 JPS6246488Y2 (en) | 1987-12-16 |
Family
ID=30584092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5851786U Expired JPS6246488Y2 (en) | 1986-04-18 | 1986-04-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6246488Y2 (en) |
-
1986
- 1986-04-18 JP JP5851786U patent/JPS6246488Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6246488Y2 (en) | 1987-12-16 |
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