VIBRATION-CUTTING APPARATUS

VIBRATION-CUTTING APPARATUS

PROBLEM TO BE SOLVED: To provide a vibration-cutting apparatus which deals with an earthquake causing a big horizontal displacement quantity at low cost to solve the problem that because the effect of earthquake-caused vibrations on a structure is created mainly by horizontal displacement resulting...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: KAWAMOTO SHIGERU
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
BUILDING
BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES
CEILINGS
EMBANKMENTS
ENGINEERING ELEMENTS AND UNITS
EXCAVATIONS
FENCING
FIXED CONSTRUCTIONS
FLOORS
FOUNDATIONS
GENERAL BUILDING CONSTRUCTIONS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
HYDRAULIC ENGINEERING
INSULATION OR OTHER PROTECTION OF BUILDINGS
LIGHTING
MASTS
MEANS FOR DAMPING VIBRATION
MECHANICAL ENGINEERING
ROOFS
SHOCK-ABSORBERS
SOIL SHIFTING
SPRINGS
SWIMMING OR SPLASH BATHS OR POOLS
TENTS OR CANOPIES, IN GENERAL
THERMAL INSULATION IN GENERAL
UNDERGROUND OR UNDERWATER STRUCTURES
WALLS, e.g. PARTITIONS
WEAPONS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a vibration-cutting apparatus which deals with an earthquake causing a big horizontal displacement quantity at low cost to solve the problem that because the effect of earthquake-caused vibrations on a structure is created mainly by horizontal displacement resulting from S waves, a conventional technique of weakening vibrations by extending a vibration cycle through a vibration-isolating or vibration-controlling apparatus requires high costs in carrying out an anit-earthquake measure against an earthquake causing a big horizontal displacement quantity. SOLUTION: The horizontal displacement controlling vibration-cutting apparatus includes an upper flange 2, a lower flange 3, a spiral plates 1 formed multi-cylinder spirally between both flanges 2 and 3, and a stopper 4 which is disposed in a hollow portion of the spiral plates 1 to the control the horizontal displacement to a given horizontal displacement quantity. COPYRIGHT: (C)2010,JPO&INPIT