The utility model provides a driving structure of roots blower. Includes a drive shaft, a driven gear shaft, lock nut, a left bearing seat, the gear box gear, a left wallboard, a shell, a right wall plate, cylindrical roller bearings, angular contact ball bearing and a right bearing seat, a right bearing seat driving gear shaft and the driven gear shaft through the cavity of the housing and the cylindrical roller bearing and angle contact ball bearing support on the left wall on both sides of the casing of the left bearing and the right wallboard, the driving gear shaft and the driven gear shaft bearing seat is located right in the right wall is connected to the two and the two angular contact ball bearings, angular contact ball bearings for face mounting arrangement. The blade shaft of the roots blower of the utility model has the advantages of high axial positioning precision, large rigidity of the bearing, strong adaptability to various working conditions, and can bear radial load and bidirectional axial load. So as to improve the reliability in operation and prolong the service life.
【技术实现步骤摘要】
【技术保护点】
１．一种罗茨鼓风机的传动结构，包括主动齿轮轴（１）、从动齿轮轴（２）、锁紧圆螺母（３）、左轴承座（４）、齿轮箱（５），左墙板（６），机壳（７），右墙板（８）、圆柱滚子轴承（９）、角接触球轴承（１０）和右轴承座（１１），主动齿轮轴（１）和从动齿轮轴（２）均穿过机壳（７）内腔并通过圆柱滚子轴承（９）和角接触球轴承（１０）支撑在机壳（７）两侧的左墙板（６）的左轴承座（４）和右墙板（８）的右轴承座（１１）上，其特征在于：所述主动齿轮轴（１）和从动齿轮轴（２）位于右墙板（８）的右轴承座（１１）中各装连两个角接触球轴承（１０），且两个角接触球轴承为面对面排列安装。
【技术特征摘要】
【专利技术属性】
技术研发人员：巢伯新，
申请(专利权)人：常州市风机制造有限公司，
类型：实用新型
国别省市：32
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