Insulation protection device and crane

The invention provides an insulation protection device and a crane, and relates to the technical field of electric power operation hoisting equipment. The insulation protection device comprises a protection component and a telescopic support, the first end of the telescopic support is connected with the protection component, the second end of the telescopic support is provided with an installation structure, and the installation structure is used for being connected with a suspension arm; the protection component and the telescopic support are both made of insulating materials. According to the technical scheme, the problem that short circuit is likely to happen when the protected device is close to electrified equipment of all voltage grades can be solved. 本申请提供一种绝缘防护装置、吊车，涉及电力作业起重设备技术领域。其中，一种绝缘防护装置，包括防护部件和伸缩支架，伸缩支架的第一端连接防护部件，伸缩支架的第二端设置有安装结构，安装结构用于与吊臂连接；其中，防护部件和伸缩支架均为绝缘材料制造。本申请技术方案可以解决被防护装置临近各电压等级的带电设备时，容易发生短路的问题。