Horse head pin is prevented scurrying in fastening

• Main Authors: ZHU CHUNLING, ZHAO RENSHENG, GUAN YUNGANG, ZHANG YAN, ZHUANG HONGYU, SHAO YIHENG, FU HONGJIE
• Format: Patent
• Language: Chinese; English
• Published: 08.06.2016
• Subjects: BLASTING; DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; ENGINEERING ELEMENTS AND UNITS; FIXED CONSTRUCTIONS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model provides a horse head pin is prevented scurrying in fastening, horse head are located the top of walking beam, and the two has concentric round hole, the horse head pin includes pin body, gland, spring washer and fastening nut, and the pin body inserts the concentric round hole of horse head and walking beam the walking beam below, gland, spring washer and fastening nut overlap in proper order and establish on this pin body. The utility model discloses simple structure, the stable performance, convenient operation, binding thread guarantee the horse head pin and scurry that spring washer keeps certain compression work ability, prolongs the long threaded life -span, is equipped with the nut outward, prevent to drop after fastening nut from threading off. The device effectively realizes the relatively fixed between horse head pin and the horse head, can prevent outer the scurrying that the horse head pin leads to because of the various factors, improves the safety in production coefficient, an