摘要：【中文】本发明提供了一种铁路自翻车，涉及铁路车辆技术领域。本发明所述铁路自翻车包括：伸缩架、顶盖和车厢本体，伸缩架设置于车厢本体的开口处，伸缩架与车厢本体滑动连接，且顶盖与伸缩架连接，伸缩架适于沿伸缩架与车厢本体滑动连接的方向可伸缩，顶盖盖设于所述车厢本体的开口处。本发明通过可伸缩的伸缩架的设置，通过伸缩架带动顶盖做伸缩运动，当进行装料时，可以将伸缩架缩回，使车厢本体敞开，当需要进行密封时，将伸缩架伸出，使顶盖对车厢本体进行覆盖，这样可以避免在运输过程中导致货物飘落至空气中造成铁路周边的环境污染，也可以避免雨雪天气货物被淋湿，此外，对所述车厢本体进行密封，还可以减小货物被偷窃的风险。 【EN】The invention provides a railway self-dumping car, and relates to the technical field of railway vehicles. The railway automatic dumping car comprises: the telescopic frame is connected with the carriage body in a sliding mode, the telescopic frame is suitable for being telescopic along the direction of the telescopic frame and the carriage body in a sliding mode, and the top cover is arranged at the opening of the carriage body. According to the invention, through the arrangement of the telescopic frame, the telescopic frame drives the top cover to do telescopic motion, when loading is carried out, the telescopic frame can be retracted, so that the carriage body is opened, and when sealing is needed, the telescopic frame is extended, so that the top cover covers the carriage body, thus environmental pollution around a railway caused by falling of goods into the air in the transportation process can be avoided, goods in rainy and snowy weather can be prevented from being wetted, in addition, the carriage body is sealed, and the risk of goods theft can be reduced.

摘要：【中文】本发明涉及一种惯量可调型注油装置及其注油方法，直线运动端放置在直线固定端上，供油转轴与直线运动端转动副连接，两端分别连接有弹性摩擦轮及套管；惯性离心棒的一端插设于套管内，另一端套设有惯量块，惯性离心棒上套设有双向稳定弹簧，两端分别与套管及挡片连接；惯性离心棒上开设有进油口、内部油路及进出口；供油转轴上设有动静无限回转高、低压腔，内部设有转动轴高、低压管道，一端分别与动静无限回转高、低压腔连通，另一端分别与套管内部相连；直线运动端上分别开设有与动静无限回转高、低压腔连通的高压油道、供油管线；恒力注油腔通过高压油道与动静无限回转高压腔连通。本发明实现惯量的自动调节，节约使用润滑油，节能环保的。 【EN】The invention relates to an inertia adjustable oil injection device and an oil injection method thereof.A linear moving end is placed on a linear fixed end, an oil supply rotating shaft is connected with a linear moving end rotating pair, and two ends are respectively connected with an elastic friction wheel and a sleeve; one end of the inertial centrifugal rod is inserted into the sleeve, the other end of the inertial centrifugal rod is sleeved with an inertial mass, the inertial centrifugal rod is sleeved with a bidirectional stabilizing spring, and the two ends of the inertial centrifugal rod are respectively connected with the sleeve and the blocking piece; the inertial centrifugal rod is provided with an oil inlet, an internal oil way and an inlet and an outlet; the oil supply rotating shaft is provided with a dynamic and static infinite rotary high-pressure cavity and a dynamic and static infinite rotary low-pressure cavity, the rotating shaft is internally provided with a rotating shaft high-pressure pipeline and a rotating shaft low-pressure pipeline, one end of each rotating shaft high-pressure pipeline is respectively communicated with the dynamic and static infinite rotary high-pressure cavity and the dynamic and static infinite rotary low-pressure cavity, and the; the linear motion end is respectively provided with a high-pressure oil duct and an oil supply pipeline which are communicated with the dynamic and static infinite rotary high-pressure cavity and the static and static infinite rotary low-pressure cavity; the constant-force oil injection cavity is communicated with the dynamic and static infinite rotary high-pressure cavity through a high-pressure oil duct. The invention realizes the automatic adjustment of inertia, saves the use of lubricating oil, and is energy-saving and environment-friendly.

摘要：【中文】本发明提供一种基于船体散热的换热系统及其使用方法，系统包括若干组并联设置的换热器，换热器的进水口通过换热管路连接于主机缸套水出口，所述换热器的出水口与所述主机缸套水入口连接；所述换热器还通过换热管路连接有提供循环动能的泵组；所述换热器设置于船壳内侧，所述换热管路及泵组设置于船舱内。本发明通过布置于船体内侧的换热器组完成与舷外海水的换热，不需要在船舱设置海水冷却系统，避免了海水造成的管路、设备腐蚀，减少了海水管路、泵、阀的布置，节省了海水泵长期运行所需能耗，维修保养成本更小，并且有利于提高航速，节能减排。 【EN】The invention provides a heat exchange system based on ship body heat dissipation and a use method thereof, wherein the system comprises a plurality of groups of heat exchangers arranged in parallel, a water inlet of each heat exchanger is connected with a water outlet of a main machine cylinder sleeve through a heat exchange pipeline, and a water outlet of each heat exchanger is connected with a water inlet of the main machine cylinder sleeve; the heat exchanger is also connected with a pump set for providing circulating kinetic energy through a heat exchange pipeline; the heat exchanger is arranged on the inner side of the hull, and the heat exchange pipeline and the pump set are arranged in the cabin. The invention completes heat exchange with outboard seawater through the heat exchanger group arranged at the inner side of the ship body, does not need to arrange a seawater cooling system in the cabin, avoids pipeline and equipment corrosion caused by seawater, reduces the arrangement of seawater pipelines, pumps and valves, saves energy consumption required by long-term operation of the seawater pump, has lower maintenance cost, is favorable for improving the navigation speed, and saves energy and reduces emission.