Helical gear transmission hydraulic gap elimination device of machine tool gearbox

• Main Authors: NIU FULIN, ZHANG PEIZHONG
• Format: Patent
• Language: Chinese; English
• Published: 30.05.2012
• 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 belongs to the technical field of machine tool gearboxes and particularly relates to a helical gear transmission hydraulic gap elimination device of a machine tool gearbox. The helical gear transmission hydraulic gap elimination device comprises a main shaft (8); an oil pump (9) is communicated with a one-way reducing valve (11), a revolving joint (1), an oil duct (20), an oil duct (19) and an oil cavity (15) through oil pipes; a primary helical gear (7) is fixed on the main shaft (8); a secondary helical gear (5) is sleeved on the primary helical gear (7); a positioning pin (4) is sleeved on the main shaft (8) to be contacted with the secondary helical gear (5) and is fixed on the primary helical gear (7) by bolts (17); and an adjusting block (3) is sleeved on the main shaft (8) and is tightly pressed by a locking rear cap (2). The helical gear transmission hydraulic gap elimination device of the machine tool gearbox disclosed by the utility model is simple in structure, and is convenient t