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申请号:201510026671.X 公开号:CN104631620A 主分类号:
申请人:上海海事大学 申请日:2015.01.20 公开日:2015.05.20
摘要:本发明公开了一种负高斯曲率索穹顶。它由环向拉索、径向上斜索、径向下斜索与竖向压杆组成;径向上斜索首尾相连构成负高斯曲率曲面;竖向压杆的一端与径向下斜索和环向拉索相连,另一端与不同的径向下斜索和径向上斜索相连,最外圈径向下斜索与上斜索固定在结构周边的支座上形成负高斯曲率索穹顶结构。该负高斯曲率索穹顶的曲率形式与构件数量根据建筑造型、使用功能以及承载能力等要求确定。本发明改变了现有索穹顶均为正高斯曲率的现状,使索穹顶可以应用在各种建筑造型的结构中。此外本发明在保持索穹顶结构原有构造简单、受力合理、造型美观的前提下,由于其两个主方向的曲率正负相反,所以也是一种承受竖向双向荷载性能更加优良的结构形式。
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申请号:201911102140.9 公开号:CN110961285A 主分类号:B05B13/04
摘要:【中文】本发明公开了一种桥梁钢箱梁外表面自动化喷涂设备,钢箱梁的底部设置用于支撑钢箱梁的钢箱梁支墩;包括:钢构主平台、自动伸缩平台、自动升降平台、机械臂、喷嘴;钢箱梁下方的地面上设有沿钢箱梁轴线方向排布的钢轨;钢构主平台置于钢轨上方,且在钢轨上滑动;自动伸缩平台置于钢构主平台的顶部,且在钢构主体的顶部移动;自动伸缩平台的移动方向与钢箱梁的轴线方向相垂直;自动升降平台置于自动伸缩平台的顶部,且在自动伸缩平台的顶部移动,自动升降平台的移动方向与伸缩平台的移动方向相同;机械臂的一端设置于自动升降平台的顶部,另一端设有喷嘴。本发明中的自动化喷涂设备可以对不同类型的钢箱梁外表面进行喷涂。 【EN】The invention discloses automatic spraying equipment for the outer surface of a bridge steel box girder, wherein a steel box girder buttress for supporting the steel box girder is arranged at the bottom of the steel box girder; the method comprises the following steps: the automatic telescopic lifting platform comprises a steel structure main platform, an automatic telescopic platform, an automatic lifting platform, a mechanical arm and a nozzle; the ground below the steel box girder is provided with steel rails arranged along the axis direction of the steel box girder; the steel-structured main platform is arranged above the steel rail and slides on the steel rail; the automatic telescopic platform is arranged at the top of the steel structure main platform and moves at the top of the steel structure main body; the moving direction of the automatic telescopic platform is vertical to the axial direction of the steel box girder; the automatic lifting platform is arranged at the top of the automatic telescopic platform and moves at the top of the automatic telescopic platform, and the moving direction of the automatic lifting platform is the same as that of the telescopic platform; one end of the mechanical arm is arranged at the top of the automatic lifting platform, and the other end of the mechanical arm is provided with a nozzle. The automatic spraying equipment can be used for spraying the outer surfaces of different types of steel box girders.
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申请号:201911234652.0 公开号:CN110901892A 主分类号:B64C5/10
摘要:【中文】本发明公开了一种低速高升阻比布局的激光垂起固定翼无人机,包括机身,所述机身两侧设有机翼,所述机翼上安装有连接杆,且连接杆位于机翼的两侧分别安装有前驱动螺旋扇和后驱动螺旋扇,所述连接杆的尾端安装有降阻器,所述降阻器包括滑动尾翼和尾翼,所述滑动尾翼和尾翼的一端分别安装在机翼的连接杆上,所述滑动尾翼的另一端滑动连接在尾翼上,本发明通过在机身的后侧设置由滑动尾翼和尾翼组成的降阻器,滑动尾翼和尾翼的一端安装在连接杆上,以及滑动尾翼和尾翼的另一端连接且将两者滑动连接,在无人机飞行时,可在风速的作用下自行改变滑动尾翼和尾翼之间的夹角,从而减小升起的阻力,提高增加升阻比。 【EN】The invention discloses a laser-assisted vertical lift fixed wing unmanned aerial vehicle with low-speed high lift-drag ratio layout, which comprises a body, wherein wings are arranged on two sides of the body, connecting rods are arranged on the wings, a front driving spiral fan and a rear driving spiral fan are respectively arranged on two sides of the wings, a drag reducer is arranged at the tail end of the connecting rods, the drag reducer comprises a sliding tail wing and a tail wing, one ends of the sliding tail wing and the tail wing are respectively arranged on the connecting rods of the wings, the other end of the sliding tail wing is connected on the tail wing in a sliding manner, the invention arranges the drag reducer consisting of the sliding tail wing and the tail wing on the rear side of the body, one ends of the sliding tail wing and the tail wing are arranged on the connecting rods, the other ends of the sliding tail wing and the tail wing are connected and connected in a sliding manner, when the unmanned aerial vehicle flies, the included angle, thereby reducing the resistance to lift and increasing the lift-to-drag ratio.
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申请号:201911234726.0 公开号:CN110877718A 主分类号:B64C25/58
摘要:【中文】本发明公开了一种激光垂起固定翼无人机安全气囊结构,包括无人机主体,所述无人机主体上设置有固定机翼,所述固定机翼上设置有安装支架,所述安装支架上设置有若干个螺旋桨,所述安装支架末端连接有尾翼,所述安装支架下端设置有安全气囊机构,所述安全气囊机构包括气囊支架,所述气囊支架内部设置有卡槽,所述卡槽内设置有滑块,所述滑块上端设置有弹簧,所述滑块之间设置有气囊,所述气囊支架下端设置有C型弹片,所述C型弹片末端设置有平直支撑部,本发明通过在下端设置了安全气囊机构,内部设置了可以上下移动的安全气囊,可以在起飞与降落的时候对无人机进行保护,提高了无人机的安全性能,值得推广。 【EN】The invention discloses a laser-suspended fixed wing unmanned aerial vehicle airbag structure, which comprises an unmanned aerial vehicle main body, wherein a fixed wing is arranged on the unmanned aerial vehicle main body, a mounting bracket is arranged on the fixed wing, a plurality of propellers are arranged on the mounting bracket, the tail end of the mounting bracket is connected with an empennage, an airbag mechanism is arranged at the lower end of the mounting bracket, the airbag mechanism comprises an airbag bracket, a clamping groove is arranged in the airbag bracket, a sliding block is arranged in the clamping groove, a spring is arranged at the upper end of the sliding block, an airbag is arranged between the sliding blocks, a C-shaped elastic sheet is arranged at the lower end of the airbag bracket, and a straight supporting part is arranged at the tail end of the C-shaped elastic sheet. The safety performance of the unmanned aerial vehicle is improved, and the unmanned aerial vehicle is worthy of popularization.
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申请号:201911235961.X 公开号:CN110877730A 主分类号:B64D9/00
摘要:【中文】本发明公开了一种激光垂起固定翼无人机舱内载荷吊装结构,包括主体,所述主体的下端开设有载荷进出口,且所述主体的内部开设有放置空腔,所述主体在放置空腔的底部安装有载荷夹板,所述主体的上端安装有导轨以及丝杆,所述导轨、丝杆的外侧安装有滑块,所述滑块的下端设置有直线电机,所述滑块的下表面通过开设滑槽安装有固定块,所述固定块的一侧表面与直线电机连接,所述固定块的下端通过支架设置有第一导向轮,所述放置空腔的一端设置有安装腔,所述安装腔的内部安装有卷扬机以及步进电机,卷扬机的钢索端处绕过设置在安装腔内的第二导向轮以及第一导向轮,且端处设置有电磁挂钩。本发明使用方便快捷,有效的利用无人机内部的空间。 【EN】The invention discloses a laser vertical fixed wing unmanned aerial vehicle cabin load hoisting structure, which comprises a main body, wherein the lower end of the main body is provided with a load inlet and a load outlet, a placing cavity is arranged in the main body, the bottom of the placing cavity of the main body is provided with a load clamping plate, the upper end of the main body is provided with a guide rail and a screw rod, the outer sides of the guide rail and the screw rod are provided with a slide block, the lower end of the slide block is provided with a linear motor, the lower surface of the slide block is provided with a fixed block through a sliding groove, one side surface of the fixed block is connected with the linear motor, the lower end of the fixed block is provided with a first guide wheel through a bracket, one end of the placing cavity is provided with a mounting cavity, the interior of the mounting cavity is provided with a winch and a stepping motor, the steel, and the end is provided with an electromagnetic hook. The unmanned aerial vehicle is convenient and quick to use, and the space inside the unmanned aerial vehicle is effectively utilized.
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申请号:202210040677.2 公开号:CN114384933A 主分类号:G05D1/10
申请人:广东电网能源发展有限公司 申请日:2022.01.14 公开日:2022.04.22
摘要:本发明公开了一种架空线路无人机带电水冲洗控制系统、方法及存储介质,通过遥控器在地面控制无人机飞到绝缘子附近;摄像机对绝缘子进行识别,以及,对识别到的所述绝缘子进行定位,得到定位信息;避障雷达探测环境中的障碍物信息;无人机根据定位信息以及障碍物信息控制挂载水冲洗系统对绝缘子进行水冲洗,实现了对无人机与绝缘子、环境感知和安全距离控制,可使无人机与绝缘子之间始终保持在对冲洗效果最有利的安全位置上,提高了无人机带电水冲洗作业的安全水平与作业效率,降低了对飞手的依赖,让架空输电线路带电水冲洗作业更加安全、快捷、方便,为进一步促进电网自动化高效作业提供有力安全保障。
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