阅读说明：本技术 一种用于立式搅拌磨轴承组合支撑机构及使用方法 (Bearing combination supporting mechanism for vertical stirring mill and using method ) 是由 李华伟 邹声勇 宋现洲 韩春阳 周洁 唐必亮 王铭浩 赵淑洁 倪小令 于 2020-11-06 设计创作，主要内容包括：一种用于立式搅拌磨轴承组合支撑机构,涉及一种轴承组合支撑机构,包括筒体和螺旋搅拌轴,螺旋搅拌轴的下端设置在筒体内,筒体内的阻尼支撑钢球的填充高度为包裹在螺旋搅拌轴叶片的周围,螺旋搅拌轴的中部安装有铜套座,在铜套座与螺旋搅拌轴之间安装有铜套,螺旋搅拌轴的上部靠近传动处安装有滚动轴承座,在滚动轴承座内由上至下依次安装有推力滚动轴承和双列球面滚子轴承；本发明结构简单,使用方便,在保证螺旋轴能够承受轴向径向力的同时,有效解决了螺旋主轴在运行中出现大幅度摆动,和摆动带来的挠度变形及局部应力过大的问题。(A bearing combination supporting mechanism for a vertical stirring mill comprises a barrel and a spiral stirring shaft, wherein the lower end of the spiral stirring shaft is arranged in the barrel, the filling height of damping supporting steel balls in the barrel is set to be wrapped around blades of the spiral stirring shaft, a copper sleeve seat is arranged in the middle of the spiral stirring shaft, a copper sleeve is arranged between the copper sleeve seat and the spiral stirring shaft, a rolling bearing seat is arranged at the upper part of the spiral stirring shaft close to a transmission part, and a thrust rolling bearing and a double-row spherical roller bearing are sequentially arranged in the rolling bearing seat from top to bottom; the invention has simple structure and convenient use, and effectively solves the problems of large amplitude swing of the spiral main shaft in operation, deflection deformation and overlarge local stress caused by the swing while ensuring that the spiral shaft can bear axial and radial force.)

1. The utility model provides a be used for vertical stirring to grind bearing combination supporting mechanism, includes barrel and spiral stirring shaft, characterized by: the lower extreme setting of spiral (mixing) shaft is in the barrel, and the packing height of the damping support steel ball in the barrel is around the spiral (mixing) shaft blade for the parcel, and the mid-mounting of spiral (mixing) shaft has the copper sheathing seat, installs the copper sheathing between copper sheathing seat and spiral (mixing) shaft, and the rolling bearing frame is installed near transmission department in the upper portion of spiral (mixing) shaft, installs thrust antifriction bearing and biserial spherical roller bearing from top to bottom in proper order in the rolling bearing frame.

2. The combined support mechanism for the vertical agitator mill bearing of claim 1, wherein: the diameter of the steel ball is phi 16-phi 25 mm.

3. The use method of the bearing combination supporting mechanism for the vertical stirring mill according to any one of the claims 1-2, which comprises a cylinder body and a spiral stirring shaft, and is characterized in that: the specific operation steps are as follows:

the upper end of the spiral stirring shaft is fixed with the transmission mechanism, the spiral blades at the lower end of the spiral stirring shaft are arranged in the cylinder filled with the damping support steel balls, the middle part of the spiral stirring shaft is provided with a copper sleeve seat, a copper sleeve is arranged between the copper sleeve seat and the spiral stirring shaft, a rolling bearing seat is arranged on the upper part of the spiral stirring shaft, and a thrust rolling bearing and a double-row spherical roller bearing are arranged at intervals from top to bottom inside the rolling bearing seat.

Technical Field

The invention relates to a bearing combined supporting mechanism, in particular to a bearing combined supporting mechanism for a vertical stirring mill and a using method thereof.

Background

As known, the vertical stirring mill bearing combined supporting mechanism has the functions of transmitting the torque and the weight generated by a main motor and a main speed reducer to a mill base through the partial structure and transmitting the torque and the weight to a mill barrel, and simultaneously plays roles in clamping and radially and axially restraining a rotary spiral stirrer, so that the stirrer is in stress balance macroscopically. In the prior art, when the screw shaft bears axial radial force, the screw shaft swings greatly during operation, and the problems of deflection deformation and overlarge local stress caused by swinging appear.

Disclosure of Invention

In order to overcome the defects in the background art, the invention discloses a bearing combination supporting mechanism for a vertical stirring mill and a using method thereof.

In order to realize the purpose, the invention adopts the following technical scheme:

the utility model provides a be used for vertical stirring mill bearing combination supporting mechanism, including barrel and spiral (mixing) shaft, the lower extreme setting of spiral (mixing) shaft is in the barrel, the packing height of the damping support steel ball in the barrel is around spiral (mixing) shaft blade for the parcel, the mid-mounting of spiral (mixing) shaft has the copper sheathing seat, install the copper sheathing between copper sheathing seat and spiral (mixing) shaft, the upper portion of spiral (mixing) shaft is close to transmission department and installs the rolling bearing frame, install thrust antifriction bearing and biserial spherical roller bearing from top to bottom in proper order in the rolling bearing frame.

The diameter of the steel ball is phi 16-phi 25 mm.

A use method for a vertical stirring mill bearing combination supporting mechanism comprises a cylinder body and a spiral stirring shaft, and comprises the following specific operation steps:

the upper end of the spiral stirring shaft is fixed with the transmission mechanism, the spiral blades at the lower end of the spiral stirring shaft are arranged in the cylinder filled with the damping support steel balls, the middle part of the spiral stirring shaft is provided with a copper sleeve seat, a copper sleeve is arranged between the copper sleeve seat and the spiral stirring shaft, a rolling bearing seat is arranged on the upper part of the spiral stirring shaft, and a thrust rolling bearing and a double-row spherical roller bearing are arranged at intervals from top to bottom inside the rolling bearing seat.

Due to the adoption of the technical scheme, the invention has the following beneficial effects:

according to the combined support mechanism for the vertical stirring mill bearing, the thrust rolling bearing and the double-row spherical roller bearing are arranged in the rolling bearing seat, the thrust rolling bearing can bear the axial force of the whole spiral device in a working state, the axial displacement of the spiral stirring shaft is limited at the same time, the double-row spherical roller bearing can bear larger radial load and bidirectional axial load, the inclination or the shaft deflection generated by the angle error between the shaft and the rolling bearing seat can be automatically adjusted, and the combined support mechanism is particularly suitable for bearing the heavy load and the impact vibration load generated by the work of the spiral device; the copper sleeve arranged between the copper sleeve seat and the spiral stirring shaft can bear larger axial load and generate large swing when the spiral shaft works, and the resistance support steel ball plays a role in damping support on the swing generated by unbalanced stress in the operation process of the stirrer; the invention has simple structure and convenient use, and effectively solves the problems of large amplitude swing of the spiral main shaft in operation, deflection deformation and overlarge local stress caused by the swing while ensuring that the spiral shaft can bear axial and radial force.

Drawings

FIG. 1 is a schematic structural view of the present invention;

in the figure: 1. a thrust rolling bearing; 2. a double-row spherical roller bearing; 3. a rolling bearing seat; 4. a copper sleeve; 5. a copper sleeve seat; 6. a spiral stirring shaft; 7. damping support steel balls; 8. and (4) a cylinder body.

Detailed Description

The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.

The combined supporting mechanism for the vertical stirring mill bearing is combined with the attached figure 1 and comprises a cylinder body 8 and a spiral stirring shaft 6, wherein the lower end of the spiral stirring shaft 6 is arranged in the cylinder body 8, the filling height of a damping supporting steel ball 7 in the cylinder body 8 is set to be wrapped around the blade of the spiral stirring shaft 6, the diameter of the steel ball is phi 16-phi 25mm, a copper sleeve seat 5 is arranged in the middle of the spiral stirring shaft 6, a copper sleeve 4 is arranged between the copper sleeve seat 5 and the spiral stirring shaft 6, the copper sleeve can bear larger axial load and the spiral shaft can generate large swing during working, and the damping supporting steel ball plays a role in damping support on the swing generated by unbalanced stress in the operation process of the stirrer; the upper part of the spiral stirring shaft 6 is provided with a rolling bearing seat 3 near the transmission part, and a thrust rolling bearing 1 and a double-row spherical roller bearing 2 are sequentially arranged in the rolling bearing seat 3 from top to bottom.

A use method for a vertical stirring mill bearing combination supporting mechanism comprises a cylinder body and a spiral stirring shaft, and comprises the following specific operation steps:

the upper end of the spiral stirring shaft 6 is fixed with the transmission mechanism, the spiral blades at the lower end of the spiral stirring shaft 6 are arranged in a cylinder body 8 filled with a damping supporting steel ball 7, a copper sleeve seat 5 is arranged in the middle of the spiral stirring shaft 6, a copper sleeve 4 is arranged between the copper sleeve seat 5 and the spiral stirring shaft 6, a rolling bearing seat 3 is arranged on the upper portion of the spiral stirring shaft 6, and a thrust rolling bearing 1 and a double-row spherical roller bearing 2 are arranged in the rolling bearing seat from top to bottom at intervals.

When the combined support mechanism for the vertical stirring mill bearing and the use method thereof are implemented, the upper end of a spiral stirring shaft 6 can be fixedly connected with a transmission mechanism, the lower end of the spiral stirring shaft 6 is arranged in a cylinder 8 filled with damping support steel balls 7, the middle part of the spiral stirring shaft 6 is provided with a copper sleeve seat 5, a copper sleeve 4 is arranged between the copper sleeve seat 5 and the spiral stirring shaft 6, a thrust rolling bearing 1 and a double-row spherical roller bearing 2 are arranged in a rolling bearing seat 3, the thrust rolling bearing 1 can bear the axial force of the whole spiral device in the working state and simultaneously limit the axial displacement of the spiral stirring shaft 6, the double-row spherical roller bearing 2 can bear larger radial load and bidirectional axial load, the inclination or the shaft deflection generated by the angle error between the spiral stirring shaft 6 and the rolling bearing seat 3 can be automatically adjusted, the device is particularly suitable for bearing heavy load and impact vibration load generated by the operation of the screw device.

The present invention is not described in detail in the prior art.

The embodiments selected for the purpose of disclosing the invention, are presently considered to be suitable, it being understood, however, that the invention is intended to cover all variations and modifications of the embodiments which fall within the spirit and scope of the invention.