一种抱指式插头插座箱以及含有其的轮胎吊电缆卷盘自动换电装置,包括插头以及与插头相对应供插头插入的插座箱,插头包括触头,箱体内设有能够在插头未插入时自动锁定箱门、在插头插入时自动打开箱门并且在插头完全插入后锁定插头的自动锁定装置。该插头插座箱不但能够实现插头与插座箱的牢固的电连接,可以通过大电流,而且该插头与插座箱采用柔 An index finger type plug socket box and a tire suspension cable reel automatic recharging device comprising the plug and a socket box corresponding to the plug for inserting the plug are arranged in the box body, Automatically lock the door when inserted, automatically open the door when the plug is inserted, and lock the plug’s automatic locking mechanism when the plug is fully inserted. The plug and socket box can not only realize the strong electrical connection between the plug and the socket box, can pass the high current, and the plug and socket box adopt the soft