工作面

The scraper conveyer is the synthesis picking work surface important constituent of the supplementary equipment. It is the first link of the coal shipping.

毕业论文字数：21222 页数：57 带图纸）摘要：刮板输送机是综采工作面配套设备的重要组成部分，是煤炭装运的第一个环节。

Therefore, the scraper conveyer delivery capacity has decided the mining coal working surface productivity and the efficiency in a great degree; however, our country was lagged behind at present; the scraper conveyer installing equipment power is small.

刮板输送机是综采工作面配套设备的重要组成部分，是煤炭装运的第一个环节。因此，刮板输送机的输送能力在很大程度上决定了采煤工作面的生产能力和效率。

Based on the geological and mining conditions and occurrence characteristics of loose aquifer of Xinglongzhuang Colliery,water bursting cause of 4303 full-mechanized caving mining face under loose aquifer was analyzed,the prevention measures of the 3rd aquifer and reasonable dimension of coal pillar for sand proof were discussed in this paper.

根据兴隆庄煤矿地质采矿条件，结合松散含水层赋存特征，分析了四采区4303综放工作面第四系松散含水层出水的原因，探讨了防治三含水的技术途径和留设防砂煤柱的合理尺寸。

Based on the geological and mining conditions and occurrence characteristics of loose aquifer of Xinglongzhuang Colliery,water bursting cause of 4303 full-mechanized caving mining face under loose aquifer was analyzed,the prevention measures of the 3rd aquifer and reasonable dimension of coal pillar for sand proof were discussed in this paper.

通过对梅河四井溃泥工作面覆岩破坏特征和顶板岩层状态的探测分析，结合离散元数值模拟手段，模拟了不同状态顶板条件下水平分层综放开采的顶底板位移场和破坏场，探索了溃泥、溃砂发生的成因和机理，丰富了水体下采煤的理论和技术体系。

It can promote the efficiency in removing the equipments, and is a new kind of technique for fast moving with the trackless rubber-tired vehicle.

通过预掘收作眼，无轨胶轮车直接进入工作面搬运设备，使撤面速度大力提高，形成了无轨胶轮车快速搬面新技术。

Meantime, based on the migratory characteristics of main roof fall, the main roof were divided into some plate group and plate group mechanical model was established for main roof with different crannies and fault ages.

同时针对深部采场顶板岩体垮落具有局部、分段、迁移的时空特征，将长壁工作面采场顶板划分成若干个相互铰接的薄板，建立了薄板组力学模型。

The results show that the variation in elevation angle of roof beam can be controlled by the equilibrium jack in moving support and the stress at different parts can be adjusted according to the variation of the support load in coal caving process, greatly improving the adaptability of the 2-leg shield support in top-coal caving working face.

分析结果表明，通过平衡千斤顶可以控制移架过程中顶梁仰角的变化，并可调节支架各部位受力以适应放煤过程中顶梁外载的变化，从而提高了两柱式支架对放顶煤工作面围岩活动规律的适应性。研究结果对于现场操作及新架型的改进都有一定的指导作用。

This paper introduces the mechanism of the electro-hydraulic control system of the hydraulic support on comprehensive mechanized mining face, probes into the main functions of both subordinate controller and principle controller and the design of CAN node.

介绍了综采工作面液压支架电液控制系统的原理，探讨了子控机和主控机的主要功能及其CAN节点的设计。

The paper introduced the development history of the hydraulic powered technology of the hydraulic powered support,the electric and hydraulic control system of the hydraulic powered support and coal mining face automation technology.

介绍了支架液压技术、液压支架电液控制系统及工作面自动化技术发展历程，分析了各阶段技术发展特点，展望了未来技术发展趋势。

Emulsion in coal mine to play a very important role, as the hydraulic mining machinery working media, particularly mine coal face, as hydraulic and hydraulic prop of the working media in the coal mine has been widely used mine support equipment known as the blood.

乳化液在煤矿生产中发挥着十分重要的作用，作为煤机产品液压传动的工作介质，尤其是作为煤矿采煤工作面液压支架和单体液压支柱的工作介质在煤矿井下得到了广泛的应用，被称之为煤矿支护设备的血液。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。