挖掘机粉碎钳包括：钳体、油缸、上颚钳、下颚钳；
Excavator grinding forceps include: forceps body, cylinder, jaw forceps, jaw forceps;
所述下颚钳固定设置在钳体前部，所述上颚钳通过销活动连接在钳体前部，所述上颚钳顶部设置有油缸注油孔，所述油缸贯穿经过上颚钳和钳体，钳体顶部设置有油管装卸孔，所述下颚钳顶部由外向里依次设置有前破碎齿、下小齿和齿刀；
The mandibular forceps are fixed at the front part of the forceps body. The mandibular forceps are connected to the front part of the forceps body through pin movement. The top part of the mandibular forceps is provided with an oil cylinder injection hole. The oil cylinder passes through the upper jaw forceps and forceps body, and the top part of the forceps body is provided with an oil pipe loading and unloading hole.
所述上颚钳底部设置有上破碎齿，所述上破碎齿与下颚钳设置的前破碎齿相咬合。实用新型的液压粉碎钳的上颚钳和下颚钳均设置有破碎齿，能将硬度大、体积大的混凝土块破碎，破碎效果好。
An upper crushing tooth is arranged at the bottom of the upper jaw pliers, and the upper crushing tooth bites with the front crushing tooth set by the lower jaw pliers. The jaw pliers and jaw pliers of the utility model hydraulic crushing pliers are equipped with broken teeth, which can crush the concrete blocks with large hardness and volume, and the crushing effect is good.

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