Spacing reinforcing apparatus of wood structure building mortise and tenon joint

The utility model discloses a spacing reinforcing apparatus of wood structure building mortise and tenon joint, including steel shell and the sawtooth rubber sleeve of insert in the steel shell, top -down is equipped with steel multi -disc air -brake and spring respectively in proper order in the sawtooth rubber sleeve, being equipped with the piston rod that extends the steel shell in steel multi -disc air -brake top, being equipped with the spring fixed plate in the spring below, spring fixed plate below is equipped with adjusting screw in the screw in steel shell, and steel shell below is fixed with the dead lever. The device simple structure, low cost, easily make, use reliable, that the installation is safeguarded is convenient, service life is longe -lived and have good reinforcement capability, is applied to wood structure building mortise and tenon joint's in ancient times reinforcement, has lightened the destruction degree of ancient building timber structure under exogenic actions such as earthquake