止推环

阐述了自压密封旋启式止回阀的结构特点、工作原理、材料选用和止推环设计。

Describe the structure characteristic and working principle of pressure seal swing check valve . Material selection and thrust ring design .

无论是对于垫层方案或是保压方案，是否设置伸缩节和止推环对蜗壳应力状态影响均较小。

For MSCL and MHWH , the setting up of expansion joint and anti-thrust ring will not much affect the stress distributions of SC and surrounding concrete .

对圆柱浮环液体动静压轴承止推环的静、动态特性进行了有限元分析，提出了保证浮环正常工作的平衡条件，并据此给出了浮环轴承的设计准则；

This paper has analysed the characteristics of the thrust floating ring in hybrid sliding cylindric bearing by finite element method . It also has presented balance conditions of the thrust floating ring and design criteria .

大型精密光电经纬仪垂直轴系平面止推轴承环的装配误差

Assembling Errors of plane-Thrust Bearing Collar in vertical Axial Series for Large precise photoelectric Theodolite

本文着重分析影响大型精密光电经纬仪垂直轴系平面止推轴承环装配误差的因素及减小变形，提高精度所采取的工艺措施和方法。

The article mainly analyses the factors affecting the assembling errors of Plane-thrust bearing collar in vertical axial series for large Precise Photoelectric theodolite , reduce deformation and improve accuracy .