SHOCK-ABSORBING APPARATUS FOR GUARD RAIL END

摘要

The present invention relates to a shock-absorbing device for an end of a guardrail and, more specifically, relates to a shock-absorbing device for an end of a guardrail, capable of controlling a time when rail units are overlapped by moving an upper post when a vehicle collides with the guardrail. The shock-absorbing device for the end of the guardrail according to the present invention includes: a lower post buried in the ground; the upper post coupled to the upper part of the lower post and capable of moving by being separated from the lower post; and a rail unit coupled to the upper post and having a long hole to move while the upper post is connected when the vehicle collides with the guardrail. A control means for controlling the movement of the upper post is additionally formed in the long hole.