The present invention relates to a distribution cable short-circuit reinforcement device. The distribution cable short-circuit reinforcement apparatus of the present invention comprises: a main body having an insertion groove into which a distribution cable is inserted into a front side and a rear side, respectively； A pair of fixing parts which are installed on the inner center side of the main body and to which a part spaced apart from the joint connection part connected by a short circuit in the distribution cable is fixed； Support portions respectively installed on the inner front and rear portions of the body； And a main body cap covering the upper part of the main body and fastened to the main body, provided with a waterproof roof on the upper part, and provided with a closing jaw inserted into the insertion groove at the inner front side and the rear side, respectively, wherein the support part has an inner space And the case with one end fixed to the inner front and rear parts of the main body and the other end opened, the elastic spring installed inside the case, and one side inserted into the case and fixed to the elastic spring, and the other side of the case is distributed. It is connected to the cable and consists of a support bar that supports the distribution cable from the side through the elastic force of the elastic spring, and the support part attenuates the force transmitted from the outside to the joint connection part through the distribution cable through the support bar and the elastic spring. It is characterized in that to protect.본 발명은 배전 케이블 단락 보강장치에 관한 것이다. 본 발명의 배전 케이블 단락 보강장치는 전방측 및 후방측에 배전 케이블이 삽입되는 삽입홈이 각각 형성된 본체； 본체의 내부 중심측에 설치되며, 배전 케이블에서 단락으로 인해 이음 연결한 이음연결부분으로부터 소정의 간격 이격된 부분이 고정되는 한 쌍의 고정부； 본체의 내측 전방부 및 후방부에 각각 설치되는 지지부； 및 본체의 상부를 덮으며 본체에 체결되고, 상부에 방수지붕이 마련되며, 내부 전방측 및 후방측에 각각 삽입홈에 삽입되는 마감턱이 마련된 본체캡；을 포함하고, 지지부는 내부공간이 형성되고 본체의 내측 전방부 및 후방부에 일단부가 각각 고정되며 타단부가 개방된 케이스와, 케이스의 내부에 설치되는 탄성스프링과, 일측부가 케이스의 내부로 삽입되어 탄성스프링에 고정되고 타측부가 배전
