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JPS52123052A - Safety device for elevator - Google Patents

Safety device for elevator

Info

Publication number
JPS52123052A
JPS52123052A JP3859876A JP3859876A JPS52123052A JP S52123052 A JPS52123052 A JP S52123052A JP 3859876 A JP3859876 A JP 3859876A JP 3859876 A JP3859876 A JP 3859876A JP S52123052 A JPS52123052 A JP S52123052A
Authority
JP
Japan
Prior art keywords
elevator
main cable
safety device
block
cable
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
Application number
JP3859876A
Other languages
Japanese (ja)
Inventor
Hidenori Watanabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP3859876A priority Critical patent/JPS52123052A/en
Publication of JPS52123052A publication Critical patent/JPS52123052A/en
Pending legal-status Critical Current

Links

Landscapes

  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Abstract

PURPOSE: To improve the safety of an elevator in emergency braking operation by the construction for imparting a braking force to the main cable or cage or for scattering particles over the main cable and block to increase the frictional force therebetween in case a slip occurrs between the main cable and cable block.
COPYRIGHT: (C)1977,JPO&Japio
JP3859876A 1976-04-06 1976-04-06 Safety device for elevator Pending JPS52123052A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3859876A JPS52123052A (en) 1976-04-06 1976-04-06 Safety device for elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3859876A JPS52123052A (en) 1976-04-06 1976-04-06 Safety device for elevator

Publications (1)

Publication Number Publication Date
JPS52123052A true JPS52123052A (en) 1977-10-15

Family

ID=12529705

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3859876A Pending JPS52123052A (en) 1976-04-06 1976-04-06 Safety device for elevator

Country Status (1)

Country Link
JP (1) JPS52123052A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5371440A (en) * 1976-12-07 1978-06-24 Mitsubishi Electric Corp Hoist for elevator
JPS59230981A (en) * 1983-06-14 1984-12-25 三菱電機株式会社 Protective device for elevator
KR100388156B1 (en) * 2000-10-21 2003-06-25 편준기 Brake system for rope of elevator
WO2005092768A1 (en) * 2004-03-29 2005-10-06 Mitsubishi Denki Kabushiki Kaisha Actuator driving method and actuator driving circuit
WO2005092767A1 (en) * 2004-03-29 2005-10-06 Mitsubishi Denki Kabushiki Kaisha Method for inspecting operation of actuator and actuator operation inspector
WO2005102899A1 (en) * 2004-04-20 2005-11-03 Mitsubishi Denki Kabushiki Kaisha Emergency stop system of elevator
WO2006027841A1 (en) * 2004-09-09 2006-03-16 Mitsubishi Denki Kabushiki Kaisha Elevator apparatus
KR100709831B1 (en) * 2005-11-10 2007-04-23 미쓰비시덴키 가부시키가이샤 Method for inspecting operation of actuator and actuator operation inspector
WO2009078100A1 (en) * 2007-12-19 2009-06-25 Mitsubishi Electric Corporation Elevator device
US8261886B2 (en) 2007-06-21 2012-09-11 Mitsubishi Electric Corporation Safety device for elevator and rope slip detection method

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5371440A (en) * 1976-12-07 1978-06-24 Mitsubishi Electric Corp Hoist for elevator
JPS595515B2 (en) * 1976-12-07 1984-02-04 三菱電機株式会社 Elevator hoisting device
JPS59230981A (en) * 1983-06-14 1984-12-25 三菱電機株式会社 Protective device for elevator
KR100388156B1 (en) * 2000-10-21 2003-06-25 편준기 Brake system for rope of elevator
US7766128B2 (en) 2004-03-29 2010-08-03 Mitsubishi Denki Kabushiki Kaisha Method for inspecting operation of actuator and actuator operation inspector
CN100453440C (en) * 2004-03-29 2009-01-21 三菱电机株式会社 Actuator driving method and actuator driving circuit
WO2005092767A1 (en) * 2004-03-29 2005-10-06 Mitsubishi Denki Kabushiki Kaisha Method for inspecting operation of actuator and actuator operation inspector
JP4575375B2 (en) * 2004-03-29 2010-11-04 三菱電機株式会社 Actuator drive method and actuator drive circuit
WO2005092768A1 (en) * 2004-03-29 2005-10-06 Mitsubishi Denki Kabushiki Kaisha Actuator driving method and actuator driving circuit
JPWO2005092768A1 (en) * 2004-03-29 2007-08-30 三菱電機株式会社 Actuator drive method and actuator drive circuit
US7677362B2 (en) 2004-03-29 2010-03-16 Mitsubishi Denki Kabushiki Kaisha Actuator driving method and actuator driving circuit
CN100453439C (en) * 2004-03-29 2009-01-21 三菱电机株式会社 Movement checking method and device for actuator
JP4629669B2 (en) * 2004-04-20 2011-02-09 三菱電機株式会社 Elevator emergency stop system
JPWO2005102899A1 (en) * 2004-04-20 2007-08-30 三菱電機株式会社 Elevator emergency stop system
WO2005102899A1 (en) * 2004-04-20 2005-11-03 Mitsubishi Denki Kabushiki Kaisha Emergency stop system of elevator
US7753176B2 (en) 2004-04-20 2010-07-13 Mitsubishi Denki Kabushiki Kaisha Emergency stop system of elevator
WO2006027841A1 (en) * 2004-09-09 2006-03-16 Mitsubishi Denki Kabushiki Kaisha Elevator apparatus
US7637357B2 (en) 2004-09-09 2009-12-29 Mitsubishi Electric Corporation Elevator apparatus with sheave rotational speed difference determination for detecting an abnormality
JPWO2006027841A1 (en) * 2004-09-09 2008-05-08 三菱電機株式会社 Elevator equipment
JP4722855B2 (en) * 2004-09-09 2011-07-13 三菱電機株式会社 Elevator equipment
KR100709831B1 (en) * 2005-11-10 2007-04-23 미쓰비시덴키 가부시키가이샤 Method for inspecting operation of actuator and actuator operation inspector
US8261886B2 (en) 2007-06-21 2012-09-11 Mitsubishi Electric Corporation Safety device for elevator and rope slip detection method
US8297413B2 (en) 2007-06-21 2012-10-30 Mitsubishi Electric Corporation Safety device for elevator and rope slip detection method using drive sheave acceleration
US8336677B2 (en) 2007-06-21 2012-12-25 Mitsubishi Electric Corporation Safety device for elevator and rope slip detection method
WO2009078100A1 (en) * 2007-12-19 2009-06-25 Mitsubishi Electric Corporation Elevator device
KR101114062B1 (en) * 2007-12-19 2012-02-22 미쓰비시덴키 가부시키가이샤 Elevator device
JP5164995B2 (en) * 2007-12-19 2013-03-21 三菱電機株式会社 Elevator equipment

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