Device for detecting failure load of push rod of die-casting die

The utility model discloses a device for detecting failure load of a push rod of a die-casting die. The device comprises a mounting part and a loading part, a mounting plate is screwed in front of the thrust plate of the mounting part, a T-shaped hole with a small front part and a large rear part penetrates through the mounting plate, a push rod penetrates through the T-shaped hole, the outer end of the push rod is clamped on the step surface of the T-shaped hole, and a pressure sensor is arranged in the large-diameter part of the T-shaped hole; a first guide rod is fixed in front of the mounting plate, a guide sleeve is in sliding fit with the first guide rod, via holes in one-to-one correspondence with the push rods penetrate through the guide sleeve, the inner ends of the push rods are slidably accommodated in the corresponding via holes, and sealing covers for blocking front openings of the via holes are screwed in front of the guide sleeve; a rear flange is arranged on the outer edge of the sealing cover