JPS5421893A - Method and device for measuring mechanical braking force in direct current elevator - Google Patents
Method and device for measuring mechanical braking force in direct current elevatorInfo
- Publication number
- JPS5421893A JPS5421893A JP8707977A JP8707977A JPS5421893A JP S5421893 A JPS5421893 A JP S5421893A JP 8707977 A JP8707977 A JP 8707977A JP 8707977 A JP8707977 A JP 8707977A JP S5421893 A JPS5421893 A JP S5421893A
- Authority
- JP
- Japan
- Prior art keywords
- direct current
- braking force
- mechanical braking
- current elevator
- measuring mechanical
- 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.)
- Pending
Links
Abstract
PURPOSE: To measure the braking force of the mechanical brake in an direct current elevator safely and easily by applying a fixed magnetic field current and gradually increasing armature voltage to the direct current motor and measuring the armature current upon start to work.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8707977A JPS5421893A (en) | 1977-07-20 | 1977-07-20 | Method and device for measuring mechanical braking force in direct current elevator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8707977A JPS5421893A (en) | 1977-07-20 | 1977-07-20 | Method and device for measuring mechanical braking force in direct current elevator |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5421893A true JPS5421893A (en) | 1979-02-19 |
Family
ID=13904928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8707977A Pending JPS5421893A (en) | 1977-07-20 | 1977-07-20 | Method and device for measuring mechanical braking force in direct current elevator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5421893A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006052040A (en) * | 2004-08-10 | 2006-02-23 | Fujitec Co Ltd | Method and device for calibrating load of elevator |
KR100731603B1 (en) * | 2002-11-20 | 2007-06-22 | 미쓰비시 덴키 빌딩 테크노 서비스 가부시키 가이샤 | Device and method for measuring brake torque in elevator |
JP2008133096A (en) * | 2006-11-28 | 2008-06-12 | Toshiba Elevator Co Ltd | Elevator |
-
1977
- 1977-07-20 JP JP8707977A patent/JPS5421893A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100731603B1 (en) * | 2002-11-20 | 2007-06-22 | 미쓰비시 덴키 빌딩 테크노 서비스 가부시키 가이샤 | Device and method for measuring brake torque in elevator |
CN100465604C (en) * | 2002-11-20 | 2009-03-04 | 三菱电机建筑技术服务株式会社 | Device and method for measuring torque of elevator |
JP2006052040A (en) * | 2004-08-10 | 2006-02-23 | Fujitec Co Ltd | Method and device for calibrating load of elevator |
JP2008133096A (en) * | 2006-11-28 | 2008-06-12 | Toshiba Elevator Co Ltd | Elevator |
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