JPS6432461U - - Google Patents
Info
- Publication number
- JPS6432461U JPS6432461U JP12529687U JP12529687U JPS6432461U JP S6432461 U JPS6432461 U JP S6432461U JP 12529687 U JP12529687 U JP 12529687U JP 12529687 U JP12529687 U JP 12529687U JP S6432461 U JPS6432461 U JP S6432461U
- Authority
- JP
- Japan
- Prior art keywords
- relay
- circuit
- contact
- starter motor
- safety switch
- 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
- 239000007858 starting material Substances 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Emergency Alarm Devices (AREA)
Description
第１図は、本発明の実施例を示す走行形作業機
の安全装置の回路図である。第２図は、キースイ
ツチの端子接続状態を示す略図である。
５……セルモータ、６……ストツプモータ、７
……セルモータリレー回路、１１……安全スイツ
チ、１２……安心スイツチ、１３……警報ランプ
、Ｒ１……第１リレー、Ｒ２……第２リレー、Ｒ
３……第３リレー、Ｓ１……第１リレー接点、Ｓ
２……第２リレー接点、Ｓ３……第３リレー接点
。
FIG. 1 is a circuit diagram of a safety device for a traveling work machine showing an embodiment of the present invention. FIG. 2 is a schematic diagram showing the terminal connection state of the key switch. 5...Start motor, 6...Stop motor, 7
... Cell motor relay circuit, 11 ... Safety switch, 12 ... Safety switch, 13 ... Warning lamp, R1 ... First relay, R2 ... Second relay, R
3...Third relay, S1...First relay contact, S
2...Second relay contact, S3...Third relay contact.
Claims (1)
する第１リレーＲ１を含むセルモータリレー回路
７と、第１リレーＲ１と直列接続されアース側方
向を順方向とするダイオード８と、前記セルモー
タリレー回路７内に第２リレー接点Ｓ２を有する
第２リレーＲ２と、ストツプモータ回路９内に第
３接点Ｓ３を有する第３リレーＲ３と、警報装置
１３とを設け、第２リレーＲ２および第３リレー
Ｒ３のそれぞれのアース側を、安全スイツチ１１
と安心スイツチ１２との並列回路に接続し、警報
装置１３を第３リレーＲ３に並列接続したことを
特徴とする歩行作業機の安全装置。 A starter motor relay circuit 7 including a first relay R1 having a first relay contact S1 in the starter motor circuit 4, a diode 8 connected in series with the first relay R1 and having a forward direction toward the earth side, and a starter motor relay circuit 7 including a first relay R1 having a first relay contact S1; A second relay R2 having a second relay contact S2 in the stop motor circuit 9, a third relay R3 having a third contact S3 in the stop motor circuit 9, and an alarm device 13 are provided. Connect the ground side to safety switch 11.
and a safety switch 12 in a parallel circuit, and an alarm device 13 is connected in parallel to a third relay R3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12529687U JPH0643498Y2 (en) | 1987-08-18 | 1987-08-18 | Safety device for walk-behind work machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12529687U JPH0643498Y2 (en) | 1987-08-18 | 1987-08-18 | Safety device for walk-behind work machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6432461U true JPS6432461U (en) | 1989-03-01 |
| JPH0643498Y2 JPH0643498Y2 (en) | 1994-11-14 |
Family
ID=31375780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12529687U Expired - Lifetime JPH0643498Y2 (en) | 1987-08-18 | 1987-08-18 | Safety device for walk-behind work machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0643498Y2 (en) |
-
1987
- 1987-08-18 JP JP12529687U patent/JPH0643498Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0643498Y2 (en) | 1994-11-14 |