Casting blank signal detection device

The utility model belongs to the technical field of metallurgical industry equipment, and relates to a casting blank signal detection device, which comprises a contact part, a connecting rod, a swingsleeve rod, a rotating shaft and a mounting bracket, and is characterized in that the contact part is made into a cylindrical shape by adopting stainless steel or high-strength heat-resistant steel and is used for colliding and contacting a casting blank to form a ground short circuit loop and sending out a ground short circuit signal; a water inlet is formed in the connecting rod, a water outletis formed in the end, away from the contact part, of the swing sleeve rod, a flow channel is formed between the water inlet and the water outlet and between the connecting rod and the swing sleeve rod, and a complete water cooling structure is formed. And a double-layer heat insulation cover is arranged on the rotating shaft. 本实用新型属于冶金行业设备技术领域，涉及一种铸坯信号检测装置，包括接触部、连接杆、摆动套杆、转轴和安装支架，所述接触部采用不锈钢或高强度耐热钢制成圆柱形状，用于与铸坯碰撞接触，形成对地短接回路且送