理化检验-物理分册
理化檢驗-物理分冊
이화검험-물리분책
Physical Testing and Chemical Analysis Part A:Physical Testing
2015年
11期
766-768
,共3页
张少斌%雷凌波%安付立%刘宾
張少斌%雷凌波%安付立%劉賓
장소빈%뢰릉파%안부립%류빈
位移受阻%静力计算%管系应力%推力%力矩
位移受阻%靜力計算%管繫應力%推力%力矩
위이수조%정력계산%관계응력%추력%력구
displacement blocking%static calculation%pipeline stress%force%torque
某高压主蒸汽管道一组恒力吊架的位移指针与锁定装置发生卡碰现象，导致管道热位移受阻。针对该现象，通过静力计算，定量地分析了其对管系应力及高压缸端口推力和力矩的影响。结果表明：当恒力吊架位移受阻时，管道系统对高压缸的推力和力矩变化较大，管道系统的最大二次应力也相应增加。
某高壓主蒸汽管道一組恆力弔架的位移指針與鎖定裝置髮生卡踫現象，導緻管道熱位移受阻。針對該現象，通過靜力計算，定量地分析瞭其對管繫應力及高壓缸耑口推力和力矩的影響。結果錶明：噹恆力弔架位移受阻時，管道繫統對高壓缸的推力和力矩變化較大，管道繫統的最大二次應力也相應增加。
모고압주증기관도일조항력조가적위이지침여쇄정장치발생잡팽현상，도치관도열위이수조。침대해현상，통과정력계산，정량지분석료기대관계응력급고압항단구추력화력구적영향。결과표명：당항력조가위이수조시，관도계통대고압항적추력화력구변화교대，관도계통적최대이차응력야상응증가。
The displacement pointer of the constant force hanger of a high-pressure main steam pipeline was stuck with locking device which resulted in the thermal displacement blocking of the pipeline.Regarding such situation,the influence of the thermal displacement blocking on pipeline force,high-pressure cylinder force and torque was quantitatively analyzed by static calculation.The results show that when the displacement of constant force hanger was blocked,high-pressure cylinder’s force and torque coming from the pipeline changed greatly,and the maximum secondary stress of the pipeline increased accordingly.
