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    • 3. 发明授权
    • Water sprays for dust control on mining machines
    • 喷水器用于矿山机械的粉尘控制
    • US08632133B2
    • 2014-01-21
    • US13187676
    • 2011-07-21
    • Yoginder P. Chugh
    • Yoginder P. Chugh
    • E21C35/22
    • E21C35/23E21C27/24E21C35/22
    • This invention refers to innovative water sprays applications to significantly improve coal and quartz dust control around a continuous miner. Significant dust control is achieved through utilizing different types of sprays at locations on the top and sides of the miner chassis to create water curtains or shrouds of water around zones of high dust concentration and zones of high concentration dust transport. This is called “multiple lines of defense” spray system (MLD.) This invention also provides a method of reducing dust around a continuous miner by configuring a spray system, located at the top or sides of the cutter boom, thereby improving control of respirable dust.
    • 本发明涉及创新的喷水应用,以显着改善连续采矿机周围的煤和石英粉尘控制。 通过在矿用底盘顶部和侧面的位置处使用不同类型的喷雾,在高灰尘浓度区域和高浓度粉尘输送区域周围创建水幕或水箱,可以实现显着的灰尘控制。 这被称为“多防线”喷雾系统(MLD)。本发明还提供了一种通过配置位于切割臂顶部或侧面的喷雾系统来减少连续采矿机周围的灰尘的方法,从而改善可呼吸的控制 灰尘。
    • 5. 发明申请
    • ENGINEERED METAL CRIB FOR USE AS A SUPPORT STRUCTURE
    • 工程金属CRIB用作支撑结构
    • US20110250023A1
    • 2011-10-13
    • US13085926
    • 2011-04-13
    • Yoginder P. Chugh
    • Yoginder P. Chugh
    • E02D17/00E02D29/00
    • E21D17/006E21D17/01
    • This invention provides improvements through an engineered metal crib element for construction of cribs in mines to provide support between two surfaces and use of crib elements to construct cribs. The engineered metal crib element consists of a center elongate structural element and at least two outer load carrying steel members. The outer load carrying members may be composed of solid or hollow metal with one or more reinforcements within each load carrying member. Each outer load carrying member is attached to the center elongate element at the distal ends of the elongate structural element. The crib structure may be constructed by superimposing only these steel crib elements in 2×2 layers, 2×3 layers, 3×3 layers or in any other suitable layering system. The engineered metal crib elements are lightweight, have controllable higher stiffness and load carrying capacity than current wooden cribs, have engineered plastic yielding characteristics and allow much lower resistance to air flow in underground mine roadways.
    • 本发明通过用于在矿井中构造婴儿床的工程金属床元件提供改进,以在两个表面之间提供支撑并且使用婴儿床元件来构造婴儿床。 工程金属床元件由中心细长结构元件和至少两个外承载钢构件组成。 外承载构件可以由在每个承载构件内具有一个或多个增强件的实心或中空金属构成。 每个外承载构件在细长结构元件的远端处附接到中心细长元件。 婴儿床结构可以通过仅将这些钢格子元素叠加在2×2层,2×3层,3×3层或任何其它合适的分层系统中来构造。 工程金属床单元件重量轻,具有比目前的木制婴儿床更高的刚度和承载能力,具有设计的塑性收缩特性,并允许在地下矿井道路中的气流阻力更低。
    • 7. 发明授权
    • Mine roof system
    • 矿顶系统
    • US5018907A
    • 1991-05-28
    • US407915
    • 1989-09-15
    • Yoginder P. ChughJohn R. AlongiJoey Linton
    • Yoginder P. ChughJohn R. AlongiJoey Linton
    • E21D11/00
    • E21D11/006
    • Apparatus (1) for supporting a mine roof (R) has connected plates (7, 9) positioned against the roof at opposite sides of the mine roof. One plate (7) has an upset surface (13) contacting the roof to exert a compressive load on it. Bolts (53) anchor the plates to the roof. A tie rod (64) interconnects the plates and is adjustable to vary the compressive load, and in one embodiment a slip anchor (67) is provided at one end of the tie rod which can also be utilized to estimate the tie rod load. In another embodiment a single quick connect pin (227) is provided between connected plates (207, 209).
    • 用于支撑矿顶(R)的装置(1)具有连接的板(7,9),其在矿顶的相对侧抵靠屋顶定位。 一个板(7)具有与屋顶接触以在其上施加压缩载荷的镦粗表面(13)。 螺栓(53)将板锚定到屋顶。 拉杆(64)将板连接起来并且可调整以改变压缩载荷,并且在一个实施例中,滑动锚杆(67)设置在拉杆的一端,该滑动锚杆也可用于估计拉杆载荷。 在另一个实施例中,在连接的板(207,209)之间提供单个快速连接销(227)。