The utility model belongs to the field of paper-making machinery, and specifically relates to a hydraulic bearing pre-tightening device for high consistency pulping machine, which comprises a tightening disk and a pressure oil circuit arranged on the bearing diaphragm. The tightening disk is circular, and corresponding to the tightening disk, an annular groove is arranged on the contact surface of the outer main bearing of the bearing diaphragm, and the tightening disk is assembled in the annular groove, and the inner circumference and the outer circumference of the tightening disk are matched with the The inner circumference of the ring groove is sealed with the inner circumference of the expanding disc by assembling the first sealing ring, and the outer circumference of the expanding disc is sealed with the outer circumference of the ring groove by assembling the second sealing ring; the pressure oil circuit is connected with the annular groove on the bearing diaphragm. By adjusting the working pressure of the pressure oil, the hydraulic bearing pre-tightening mode can realize continuous, flexible and wide range adjustment of the pre-tightening force of the bearing, thus effectively solving the problem of insufficient pre-tightening force of the main bearing, having good adaptability to working conditions, and effectively improving the running stability and reliability of the equipment.
【技术实现步骤摘要】
高浓磨浆机用液压式轴承预紧装置
本技术涉及一种高浓磨浆机用液压式轴承预紧装置,属于造纸机械领域。
技术介绍
高浓磨浆机是造纸行业中化机木浆、机械木浆和麦草浆等造纸浆料处理的关键设备,浆料处理浓度在25-30%之间,配置功率在355-3000kw范围内,主机转速达到1000-1500转/分,磨浆质量稳定,节能降耗效果明显。由于该设备属于高速重载设备,因此对设备主轴轴承部件的结构设计和运转性能要求很高。常规高浓磨浆机的轴承组件主要包括密封压盖9、滑动套筒10、轴承室11、主轴承组和轴承隔圈1,具体如图2所示:主轴承组(包括内侧主轴承12和外侧主轴承13)采用重型圆锥滚子轴承,两盘主轴承成对使用,该结构既能够承受轴向力,又能够承受径向力,轴承隔圈1安装在内侧主轴承12和外侧主轴承13这两盘主轴承之间;密封压盖9、轴承室11、内侧主轴承12、轴承隔圈1、外侧主轴承13和主轴14沿轴向装配为一体,其中,滑动套筒10、轴承隔圈1通过紧固件与轴承室11固定在一起,内侧主轴承12外圈固定在轴承室11内孔处,外侧主轴承13外圈固定在滑动套筒10内孔处;密封压盖9通过螺栓与轴承室11 ...
【技术保护点】
1.一种高浓磨浆机用液压式轴承预紧装置,其特征在于:包括涨紧盘(5)和开设在轴承隔圈(1)上的压力油油路(3),涨紧盘(5)呈环形,对应涨紧盘(5)在轴承隔圈(1)的外侧主轴承接触面上开有环形槽,涨紧盘(5)装配在环形槽中,其内周、外周均与环形槽间隙配合;环形槽的内周通过装配第一密封圈(6)与涨紧盘(5)的内周保持密封,涨紧盘(5)外周通过装配第二密封圈(8)与环形槽的外周保持密封;压力油油路(3)与轴承隔圈(1)上的环形槽连通。
【技术特征摘要】
1.一种高浓磨浆机用液压式轴承预紧装置,其特征在于:包括涨紧盘(5)和开设在轴承隔圈(1)上的压力油油路(3),涨紧盘(5)呈环形,对应涨紧盘(5)在轴承隔圈(1)的外侧主轴承接触面上开有环形槽,涨紧盘(5)装配在环形槽中,其内周、外周均与环形槽间隙配合;环形槽的内周通过装配第一密封圈(6)与涨紧盘(5)的内周保持密封,涨紧盘(5)外周通过装配第二密封圈(8)与环形槽的外周保持密封;压力油油路(3)与轴承隔圈(1)上的环形槽连通。2.根据权利要求1所述的高浓磨浆机用液压式轴承预紧装置,其特征在于:所述的涨紧盘(5)与环形槽底面之间安装支撑弹簧(4)。3.根据权利要求2所述的高浓磨浆机用液压式轴承预紧装...
【专利技术属性】
技术研发人员:岳林,朱文芝,庞同国,郝永涛,崔利胜,王泽刚,
申请(专利权)人:山东晨钟机械股份有限公司,
类型:新型
国别省市:山东,37
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