摘要：【中文】本发明公开了一种飞机发动机防鸟撞装置，包括发动机，发动机进气口端的外壳上设置有基座，基座的前端设置有开闭窗口，所述开闭窗口设置有窗架，窗架与基座之间设置有至少四个支撑杆，窗架的外侧端面设置有可开闭的窗板，窗架的内侧端面设置有驱动窗板开闭的油缸，所述油缸的缸体固定在窗架上，油缸的活塞杆与窗板相铰接。该防鸟撞装置既能防止飞鸟撞击飞机发动机，又不影响发动机进气，结构巧妙简单实用。 【EN】The invention discloses an aircraft engine bird-collision prevention device which comprises an engine, wherein a base is arranged on a shell at an air inlet end of the engine, an opening and closing window is arranged at the front end of the base, a window frame is arranged on the opening and closing window, at least four support rods are arranged between the window frame and the base, an openable window plate is arranged on the outer side end face of the window frame, an oil cylinder for driving the window plate to open and close is arranged on the inner side end face of the window frame, a cylinder body of the oil cylinder is fixed on the window frame, and a piston rod of the oil cylinder is hinged with the. The bird collision prevention device can prevent a flying bird from colliding with an aircraft engine, does not influence air inlet of the engine, and is ingenious, simple and practical in structure.

摘要：【中文】本发明涉及建筑工程技术领域的一种滑动式叶片扩底管桩，包括管桩主体，管桩主体底部设有若干水平布置的叶片，所有叶片围绕管桩主体的轴线均布，叶片可水平滑动地安装在管桩主体底部且滑动轨迹垂直于管桩主体轴线；该扩底管桩配置有钻头、钻杆，钻杆下端可拆卸连接钻头；在扩底前所有叶片的圆弧边不超出管桩主体底部的圆边，所有叶片的顶角侧组合成一可容钻头尖端穿过的中心孔；扩底后，所有叶片被钻头挤开，所有叶片的圆弧边均超出管桩主体底部的圆边。通过在其底部安装叶片，沉桩至设计标高后钻入特制的钻头将叶片挤开，达到增大桩底端面积、提高桩底端承载力的效果。 【EN】The invention relates to a sliding type blade bottom expanding tubular pile in the technical field of constructional engineering, which comprises a tubular pile main body, wherein the bottom of the tubular pile main body is provided with a plurality of horizontally arranged blades, all the blades are uniformly distributed around the axis of the tubular pile main body, the blades are horizontally and slidably arranged at the bottom of the tubular pile main body, and the sliding track is vertical to the axis of the tubular pile main body; the bottom-expanding tubular pile is provided with a drill bit and a drill rod, and the lower end of the drill rod is detachably connected with the drill bit; before bottom expanding, the arc edges of all the blades do not exceed the circular edge of the bottom of the tubular pile main body, and the vertex angle sides of all the blades are combined into a central hole through which the tip end of a drill bit can pass; after bottom expanding, all the blades are squeezed open by the drill bit, and the arc edges of all the blades exceed the circular edge of the bottom of the tubular pile main body. The blades are installed at the bottom of the pile, and a specially-made drill bit is drilled into the pile after the pile is sunk to the designed elevation to extrude the blades, so that the effects of increasing the area of the bottom end of the pile and improving the bearing capacity of the bottom end of the pile are achieved.

摘要：【中文】本发明提供了一种筛管完井水平井的控水增效改造方法，包括：向水平井中下入测试找水管柱，并根据测试找水管柱采集信息的解释结果确定出水位置；向水平井中下入井筒再造管柱，并通过井筒再造管柱向水平井内通入再造介质，再造介质封堵井筒再造管柱和水平井的裸眼井壁之间的环空；向井筒再造管柱中下入水力喷砂射孔压裂管柱，并通过水力喷砂射孔压裂管柱进行选择性压裂作业。本发明解决了现有技术中的高含水筛管完井水平井的后期控水增效改造困难的问题。 【EN】The invention provides a water control synergistic transformation method of a screen pipe well completion horizontal well, which comprises the following steps: a test water exploration pipe column is put into the horizontal well, and the water outlet position is determined according to the interpretation result of the information collected by the test water exploration pipe column; a shaft reconstruction pipe column is put into the horizontal well, a reconstruction medium is introduced into the horizontal well through the shaft reconstruction pipe column, and the reconstruction medium blocks an annulus between the shaft reconstruction pipe column and a bare hole well wall of the horizontal well; and (4) putting the hydraulic sand blasting perforation fracturing string into the shaft reconstruction string, and carrying out selective fracturing operation through the hydraulic sand blasting perforation fracturing string. The invention solves the problem that the later water control synergistic transformation of the high-water-content sieve tube well completion horizontal well in the prior art is difficult.

摘要：【中文】本发明公开了一种海底电缆抛石保护施工装置，包括动力定位驳船、钢管、水下动力装置、漏斗、船载挖掘机、控制仓和水下定位装置；钢管为多根，从上往下依次连接构成落料通道；漏斗与最上端钢管连接；水下动力装置与最下端钢管连接；船载挖掘机和控制仓设置在动力定位驳船上，船载挖掘机用于挖取石料至漏斗，水下定位装置用于确定水下动力装置的位置，控制仓与水下动力装置电连接，通过水下动力装置保持落料通道的竖直度。本实用新，通过多种国内具备的设备进行组合、优化，实现海底电缆抛石保护施工作业的目的。 【EN】The invention discloses a submarine cable riprap protection construction device which comprises a power positioning barge, a steel pipe, an underwater power device, a funnel, a shipborne excavator, a control cabin and an underwater positioning device, wherein the power positioning barge is used for carrying out power positioning on the steel pipe; the steel pipes are connected in sequence from top to bottom to form a blanking channel; the funnel is connected with the steel pipe at the uppermost end; the underwater power device is connected with the steel pipe at the lowest end; the shipborne excavator and the control bin are arranged on the power positioning barge, the shipborne excavator is used for excavating stone materials to the funnel, the underwater positioning device is used for determining the position of the underwater power device, the control bin is electrically connected with the underwater power device, and the verticality of the blanking channel is kept through the underwater power device. The utility model discloses, equipment through multiple internal possessing makes up, optimizes, realizes submarine cable and throws the purpose of stone protection construction operation.