2results about How to "Guaranteed security risks" patented technology

The utility model discloses a kind of heating furnace door operating devices for bar, belong to bar production technical field, including the bracket trolley being set on track, bracket trolley is provided with furnace door body, bracket trolley is connected with driving component, furnace door body and bracket trolley are moved along horizontal direction on track under the driving of driving component, realize to open and close to furnace mouth;Bracket trolley includes bracket bottom plate and the roller being set on the end surface of bracket bottom plate, roller is cooperatively arranged in track, and positioning hole is arranged on the bracket bottom plate of furnace door body installation position;The lower end of furnace door body is provided with connecting component, and furnace door body is detachably connected with bracket bottom plate by the cooperation of connecting component and positioning hole.The utility model solves the safety hidden danger existing in person caused by the maintenance personnel of existing maintenance furnace door connecting iron chain, avoids the emergence of the fire out phenomenon caused by the fact that furnace mouth is not covered by furnace door cover after being scraped by steel billet, and reduces energy loss problem.

This utility model provides a building envelope structure, comprising: multiple cell units fixed to the exterior facade of a building; each cell unit includes a right-angled trapezoidal top surface and a right-angled trapezoidal base surface respectively on the same plane as the upper and lower floors; a first side surface located between the lower bases of the right-angled trapezoids on the top and bottom surfaces; a second side surface located between the upper bases of the right-angled trapezoids on the top and bottom surfaces; and a front surface located between the sloping sides of the right-angled trapezoids on the top and bottom surfaces. The front surface is covered with tempered glass. The first side surface is provided with a fixed tempered glass pane and an aluminum alloy window sash disposed on the fixed tempered glass pane. A composite perforated plate covering the fixed tempered glass pane and the aluminum alloy window sash is also provided on the outer side of the first side surface. This utility model's building envelope structure has the advantages of low energy consumption and low noise.