Пневматичні конструкції в гірничій справі Див. також | Література | Навігаційне менюпідказкою

Гірниче кріпленняПневмотехніка


рос.англ.нім.стиснене повітря




Пневмати́чні констру́кції в гірни́чій спра́ві (рос. пневматические конструкции в горном деле, англ. pneumatic constructions in mining; нім. pneumatische Konstruktionen f pl im Bergbau) — кріпильні конструкції, до складу яких входять м'які пневматичні оболонки. М'яка оболонка являє собою замкнуту герметичну ємкість з матеріалів, що легко піддаються багатоцикловим згинам без втрати міцності. З м'яких оболонок можна виготовляти шахтне кріплення та перемички. Кріплення, які заповнюються рідиною, називаються гідравлічними, а комбінацією рідини та газу — пневмогідравлічними. Здебільшого робочим середовищем є стиснене повітря, що швидко заповнює порожнину оболонки до робочого тиску (0.3—0.5 МПа), майже не збільшує масу оболонки. Під дією стиснення м'яка оболонка розсувається, її поверхні притискаються до бокових порід і підтримують їх.



Див. також |


  • кріплення пневматичне


Література |


  • Мала гірнича енциклопедія : у 3 т. / за ред. В. С. Білецького. — Д. : Східний видавничий дім, 2004—2013.


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