The invention relaters to a lead overcurrent failure simulation experiment device with different dip angles, and aims to solve the problem of incapability of accurately determining smelting traces incase of a lead overcurrent failure. The device comprises a support frame, a first slide rail, a first slide block and an adjusting assembly, wherein the first slide rail is arranged on the support frame; the first slide block is arranged on the first slide rail, and can slide on the first slide rail; the adjusting assembly comprises an adjuster support, a tensioning spring, a tension sensor, a second slide rail, a second slide block and a spring fixing support; the adjuster support is fixedly arranged on the support frame; the spring fixing support is hinged with the adjuster support; one endof the tension spring is fixedly connected with the spring fixing support, and the other end is connected with the second slide block through the tension sensor; the second slide rail is fixedly arranged on the spring fixing support; the second slide block is arranged on the second slide rail, and can slide on the second slide rail; one end of a test lead is arranged on the second slide block, andthe other end is fixedly arranged on the first slide block.