Sprocket overspeed device tensioner among chain drive

• Main Authors: XU LILI, GAO CHUANQIN
• Format: Patent
• Language: Chinese; English
• Published: 19.04.2017
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GEARING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model discloses a sprocket overspeed device tensioner technical field's a sprocket overspeed device tensioner among chain drive, the on -line screen storage device comprises a base, the top left and right sides of base is equipped with first rack and L jacket pipe respectively, through withstanding the chain with the sprocket, and mesh with the chain, reduce the movement resistance of chain, be equipped with wear -resisting ceramic coating layer on the contact surface of second rack and two sets of locating pieces, remove left when the second rack and can take place the friction with two locating pieces, wearability through wear -resisting ceramic coating layer, the wearing and tearing of avoiding the contact surface make the second rack vertically take place to shift, let second rack and gear engagement's is inseparabler, the lead screw, the second rack is equipped with dustproof felt with L type sheathed tube junction, prevent that the dust from getting into L type sheathed tube inner chamber, o