Rigidity contact net automatic disconnection piecing devices

The utility model relates to a rigidity contact net automatic disconnection piecing devices, the busbar can be dismantled in the centres that include two sections fixed busbars and set up between twofixed busbars, wherein: the centre can dismantle busbar one end and a fixed busbar for being connected of the formula that can come off, the other end and another fixed busbar are for rotating movablethe connection. The utility model discloses a pure mechanical interlocking device does not have any electric shutting and logical decision function. Only when the anti -flooding student fall and touch oppress unlocking structure after, latched device's bolt pole just can move, this is located the contact net and just understands automatic disconnection, mechanical serial verb constructions is simple, high -efficient, the fault rate is extremely low. Even appear that the release mechanism card is died or when needing manual demolition, operator person also only need rush towards on -the -spotdisconnection can, avoided