High anti-wear lubricating oil additive, lubricating oil and preparation method of lubricating oil

The invention relates to a high anti-wear lubricating oil additive which comprises ester compounds or derivatives, sulfur and salt materials. The ester compounds contain olefinic bonds or acetylene bonds, and the adding quantity of the sulfur accounts for 0.01-10% of the weight of the ester compounds or derivatives and is preferably 5-7%. The ester compounds or derivatives react with the sulfur bytaking the salt materials as catalysts to obtain the high anti-wear lubricating oil additive. A heating and vulcanizing method is simple and easy to operate, high in repetitive rate, suitable for large-scale industrialization production and quite strong in practicability, and injury to workers caused by toxic and harmful chemical reagents can be reduced. The lubricating oil additive prepared by the method can effectively protect machine parts and equipment such as engines which are easy to wear, the wear resistance of lubricating oil is effectively increased, and energy consumption is reduced. 本发明涉及种高抗磨润滑油添加剂，该添加剂的原料