反击式破碎机组合型锤头的研制
Development of Combined Hammer Used in Counterattack-type Crusher
郭 莹
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作者单位：（陕西理工学院 机械工程学院， 陕西 汉中 723003）
中文关键字：破碎机； 锤头； 磨损； 耐磨块
英文关键字： crusher; hammer; wear; wear-resistant blocks
中文摘要：针对反击式破碎机中锤头因磨损而失效的特点，研发了一种应用于反击式破碎机的组合型锤头。该锤头以合金钢材料做锤柄，高铬铸铁做耐磨块，采用特殊的异形燕尾槽结构连接锤柄与锤头。锤头连接面结合牢固、抗冲击能力强，而且耐磨块可更换，不仅提高了锤头一次性使用寿命，同时大幅度降低了锤头综合使用成本。
英文摘要：Aiming at the failure characteristics of the hammer used in counterattack-type crusher due to wear, a combination-type hammer used in the counterattack-type crusher was developed. The hammer handle is made of alloy steel material, and the wear-resistant blocks is made of high chromium cast iron. the hammer handle and hammer head is connected with a special structure of profiled tapered dovetail. The connecting surface of the hammer is solid, its impact resistances is strong, and the wear-resistant blocks can be replaced, so its serve life improves, its integrated cost significantly reduces.