Split pull rod two-way disc brake

The utility model relates to a split pull rod two-way disc brake which comprises a caliper body, two brake pads used for conducting two-way clamping and braking on a disc are symmetrically arranged in the caliper body, installation cavities are formed in the two sides of the caliper body, and reset compressed springs, rotary pushing mechanisms and blind nuts are sequentially arranged in the installation cavities from inside to outside. A main pull rod and an auxiliary pull rod are arranged on the two sides of the clamp body respectively, a pull rod positioning groove used for inserting and positioning the auxiliary pull rod is formed in one side of the main pull rod, and the free end of the main pull rod and the free end of the auxiliary pull rod are connected with the two rotary pushing mechanisms through fixing screws respectively. The main pull rod and the auxiliary pull rod are integrally connected without fixation, interference of machining and assembling errors of the pull rod on one side on the pull ro