ДБСН, блокирующее устройство для вентиляционной двери в шахте, является важной мерой для обеспечения стабильности системы вентиляции в шахте. Подсоединяется к каждой концевой секции гасителя троса, где работает два фиксатора: при открытии заслонки, трос вытягивается через запорное устройство, когда другой гаситель троса блокирует канал, запирающее устройство автоматически сбрасывается, канатный трос убирается, и два заслонки снова открываются.

Устройство полностью предотвращает угрозу безопасности при коротком замыкании, вызванную одновременным открытием двух заслонок, обеспечивает безопасность хода и элементарно в установке, надежно, имеет высокую эксплуатационную ценность.

Shandong Looan Automation equipment Co., Ltd. is the "high-tech enterprise" recognized by Shandong Science and Technology Department, and the "scientific research practice base" of Shandong University of Technology. There are more than 20 engineers and technicians with senior titles, and they have extensive cooperative relations with some scientific research institutions and colleges and universities, and have continuously introduced scientific and technological personnel and advanced production and testing equipment. The company has a strong fund. With a pioneering and innovative scientific research and technology team, with a set of advanced production equipment and perfect means of testing, the level of product technology is in the leading position in China, and the product quality reaches the first-class level of the same domestic product.

The company specializes in R & D, coal mine automation equipment production, sales, the main products are: series of safety testing instruments, automatic spray dust removal device, various types of sensors, the rescuer management system and intelligent miner lamp charging rack, automatic door series has achieved safety standard certificate, certificate of proof performance, inspection certificate, production permit. Market oriented company, relying on scientific and technological development ideas, adhere to scientific and technological innovation, and constantly develop new products, we will provide quality service to our customers, in order to improve the safety level of coal mine and coal mine to promote the development of productive forces to make contribution, the company's products have been sold at home and abroad more than a dozen provinces, autonomous regions, the formation of the national radiation sales and service network.

The company adheres to the enterprise concept of "survival by quality, development by science and technology, benefit by management, credit by service", strengthening the horizontal association with enterprise groups to ensure the reliability and safety of product output, and the integrity of the company. Strength and product quality is recognized by the industry. Welcome friends from all walks of life to visit Shandong Lu'an Automation equipment Co., Ltd.