滑轮组

This paper analyses the main factors which has the prominent influence on the horizon of the container, discusses the changing direction and orderliness of the influence by the factor and researches the influence to the compensating effect by moving the pulley block.

分析了影响货物水平性的主要因素及这些因素对影响的显著性，探讨了影响货物水平性的变化趋势与规律，研究了平移滑轮组的位置对补偿效果的影响。

Ia. of pulley of lifting pulley block

：起升滑轮组的滑轮直径

The skillful design of the pulley block makes the largest door leaf able to bear the 400kg dead load of the leaf.

滑轮组的巧妙设计，使最大门扇可承受400公斤的门扇自重。

Max. extension length of lifting pulley block

H1： 起升滑轮组的最大伸展长度

This thesis is based on crane dynamic theory and finite element theory, and utilized software platform of ANSYS. It realizes model analysis and transient analysis of steel rope and bridge structure. The data and conclusion offered effective method to bridge crane design. The thesis mainly includes:According to crane dynamic theory, established relevant dynamic model, and analyzed the dynamic properties of the bridge structure of the bridge crane, including the natural frequency, the model shape and the dynamic stress. A way to analyse the dynamic response of the bridge structure of the bridge crane which takes into account the dynamic properties of the steel rope pulley block has been explored successfully.

本文基于有限元理论和起重机动力学理论，以有限元分析软件ANSYS为平台，实现了计算机对钢丝绳系统和桥架的模态分析和瞬态动力学分析，得到的分析数据和结论对桥式起重机动态设计提供了有效的手段，论文主要内容包括：根据起重机动力学理论，建立了相关动力学模型，并对桥架结构进行动态性能分析(包括固有频率、振型以及动应力)的分析，探索出一种考虑钢丝绳滑轮组的动态特性在内的桥式起重机桥架结构动态应力分析的方法。

The thesis mainly includes: According to crane dynamic theory, established relevant dynamic model, and analyzed the dynamic properties of the bridge structure of the bridge crane, including the natural frequency, the model shape and the dynamic stress. A way to analyse the dynamic response of the bridge structure of the bridge crane which takes into account the dynamic properties of the steel rope pulley block has been explored successfully.

本文基于有限元理论和起重机动力学理论，以有限元分析软件ANSYS为平台，实现了计算机对钢丝绳系统和桥架的模态分析和瞬态动力学分析，得到的分析数据和结论对桥式起重机动态设计提供了有效的手段，论文主要内容包括：根据起重机动力学理论，建立了相关动力学模型，并对桥架结构进行动态性能分析（包括固有频率、振型以及动应力）的分析，探索出一种考虑钢丝绳滑轮组的动态特性在内的桥式起重机桥架结构动态应力分析的方法。

The hydraulic anti-sway system consists of anti-sway drums, anti-sway steel cable, hydraulic rams, hydraulic pump station and pulley block. The system can be controlled by two different pressure hydraulic circuits and absorb load swing energy.

液压油缸式减摇系统由减摇卷筒、减摇钢丝绳、液压油缸、液压泵站和滑轮组等组成，通过2个不同压力的液压回路进行控制，从而吸收吊重摆动的能量。

East brand products mainly single, double bridge, gantry crane; insulation bridge crane; explosion-proof bridge crane; wire rope electric hoist, and so on and accessories (wheels, of drum group, hook group, pulley blocks, Coupling), and other top-five 600 species.

东起牌产品主要是单、双梁桥、门式起重机；绝缘桥式起重机；防爆桥式起重机；钢丝绳电动葫芦等及配件（车轮组、卷筒组、吊钩组、滑轮组、联轴器）等五大类六百余种。

Including the turntable, Renzi Jia, varying from pulley blocks; off part of the frame, including track and frame (track gauge change will require aircraft to transport state); and arm at the end of the main section arm, the total vehicle weight control in less than 45 tons.

包括转台、人字架、变幅滑轮组；下车部分包括车架和履带架（履带架要求将轨距变到运输状态）；以及主臂底节臂，整车总重控制在45吨以内。

Running rigging to be of synthetic fibre rope.

动索应为合成纤维绳，滑轮组根据建造方标准。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。