Novel harbour tunnel bank protection subassembly

The utility model provides a novel harbour tunnel bank protection subassembly, includes: the installation casing is provided with magnet device in the installation casing, be provided with the electricity generation coil in the outside of installation casing, the battery, battery and electricity generation coil electrical connection, in first backplate, magnet device's one end inserted the installation casing, magnet device's the other end was provided with first backplate, stop device, stop device set up in the outside of installation casing, and stop device can offset with first backplate including spacing spring, stop device, second backplate, second backplate set up on first backplate and with first backplate elastic connection. Will the utility model discloses on setting up the harbour tunnel, it can play buffering to boats and ships many times, the utility model discloses a protecting effect is obvious, outstanding. Additionally, the utility model discloses can also convert the kinetic energy behind the