Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention discloses an anti-theft well lid which comprises a well seat and a well lid body. A circular groove is formed in the peripheral face, matched with the well lid body, of the well seat; a guide groove is formed in the portion, corresponding to the circular groove of the well seat, of the well lid body; locking devices are arranged inside the guide groove; each locking device comprises a cylindrical block; a spring is arranged between each cylindrical block and the bottom surface of the guide groove; electromagnetic blocks are arranged on the bottom surface of the guide groove; an iron block is arranged on the end face, connected with the corresponding spring, of each cylindrical block; a fingerprint identifier, a timer and an electric cabinet are arranged on the well lid body; the fingerprint identifier and the timer are connected with the electric cabinet; the electric cabinet is connected with the electromagnetic blocks through a circuit; a through hole is formed in the well lid body; a guide rod is arranged in the through hole; a handle is arranged at the upper end of the guide rod; a supporting plate is arranged at the lower end of the guide rod; a groove matched with the handle is formed at the through hole of the well lid body. The well lid can be effectively prevented from being stolen.
The invention discloses an anti-theft well lid which comprises a well seat and a well lid body. A circular groove is formed in the peripheral face, matched with the well lid body, of the well seat; a guide groove is formed in the portion, corresponding to the circular groove of the well seat, of the well lid body; locking devices are arranged inside the guide groove; each locking device comprises a cylindrical block; a spring is arranged between each cylindrical block and the bottom surface of the guide groove; electromagnetic blocks are arranged on the bottom surface of the guide groove; an iron block is arranged on the end face, connected with the corresponding spring, of each cylindrical block; a fingerprint identifier, a timer and an electric cabinet are arranged on the well lid body; the fingerprint identifier and the timer are connected with the electric cabinet; the electric cabinet is connected with the electromagnetic blocks through a circuit; a through hole is formed in the well lid body; a guide rod is arranged in the through hole; a handle is arranged at the upper end of the guide rod; a supporting plate is arranged at the lower end of the guide rod; a groove matched with the handle is formed at the through hole of the well lid body. The well lid can be effectively prevented from being stolen.
Anti-theft well lid
PENG GUOBIN (Autor:in)
02.12.2015
Patent
Elektronische Ressource
Englisch
IPC:
E02D
FOUNDATIONS
,
Gründungen