JPS57137821A - Testing method for noise of driving machine for man conveyor - Google Patents

Testing method for noise of driving machine for man conveyor

Info

Publication number
JPS57137821A
JPS57137821A JP2309281A JP2309281A JPS57137821A JP S57137821 A JPS57137821 A JP S57137821A JP 2309281 A JP2309281 A JP 2309281A JP 2309281 A JP2309281 A JP 2309281A JP S57137821 A JPS57137821 A JP S57137821A
Authority
JP
Japan
Prior art keywords
noise
load state
machine
man conveyor
load
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
JP2309281A
Other languages
Japanese (ja)
Inventor
Yoshihiko Sato
Ryuji Kudo
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2309281A priority Critical patent/JPS57137821A/en
Publication of JPS57137821A publication Critical patent/JPS57137821A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Escalators And Moving Walkways (AREA)

Abstract

PURPOSE:To maintain noises of a min. required level by selectively testing noise under load conditions of 15-40% of the output of a driving machine thereby selecting the effective combinations of the noise characteristics of a helical gear reducer and passenger noises. CONSTITUTION:With a noise test in the no-load state Q1 of a speed reducer practiced in general or with a noise test in the no-load state Q2 of a driving machine 6 constituted of the reducer 5 as well as a motor 4, a coupling, etc., the required demand of a man conveyor is not satisfied. It is important to carry out the noise test of the machine 6 along in the no-load state Q3 of a man conveyor required for actually moving the treads 9 and moving handrails 10 of the man conveyor or in the load state of 20-35% output ratios of the machine 6 corresponding to a light load state and to select the results at a constant level. The factor with which noises change depending upon load is the helical gear reducer 5 and therefore if the noise are selected under the load conditions of the same 15-40% with respect to this machine 5 alone, the similar effect is obtained.
JP2309281A 1981-02-20 1981-02-20 Testing method for noise of driving machine for man conveyor Pending JPS57137821A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2309281A JPS57137821A (en) 1981-02-20 1981-02-20 Testing method for noise of driving machine for man conveyor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2309281A JPS57137821A (en) 1981-02-20 1981-02-20 Testing method for noise of driving machine for man conveyor

Publications (1)

Publication Number Publication Date
JPS57137821A true JPS57137821A (en) 1982-08-25

Family

ID=12100784

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2309281A Pending JPS57137821A (en) 1981-02-20 1981-02-20 Testing method for noise of driving machine for man conveyor

Country Status (1)

Country Link
JP (1) JPS57137821A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0445673U (en) * 1990-08-24 1992-04-17
US7628263B2 (en) 2005-04-04 2009-12-08 Fujitec Co., Ltd. Step mechanism of transport device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0445673U (en) * 1990-08-24 1992-04-17
US7628263B2 (en) 2005-04-04 2009-12-08 Fujitec Co., Ltd. Step mechanism of transport device

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