Box culvert inspection well ventilation device

• Main Authors: XU LU, ZHOU PING, YANG BIAO, HUANG LIBAO, JIANG TIE
• Format: Patent
• Language: Chinese; English
• Published: 01.02.2022
• Subjects: ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The utility model provides a box culvert inspection well ventilation device which comprises a cover plate (2) arranged on the top of a box culvert inspection well in a covering mode, a grating (7) is arranged in the middle of the cover plate (2), the lower portion of the cover plate (2) is connected with a machine frame (9), a fan (4) is arranged on the machine frame (9), the machine frame (9) and the fan (4) are both arranged in a hoistway (6), and the lower portion of the machine frame (9) is connected with an air pipe (5). The diameter of the cover plate (2) is larger than that of the hoistway (6), and an inflatable rubber mat (3) is arranged between the portions, making contact with the ground, of the bottom face of the cover plate (2). Forced mechanical ventilation is provided for concealed culvert operation to replace poisonous and harmful gas in the concealed culvert, and the protection safety of the ground inspection well on the upper portion of the concealed culvert is guaranteed. 本实用新型提供了一种箱涵检查井通风装置