摘要：【中文】本发明涉及轨道车辆司机控制器，特别是一种司机控制器面板防护结构，其包括面板（1）和操控手柄，所述操控手柄经所述面板上设置的操控孔伸出所述面板，所述操控孔的下面活动设置防护板，所述防护板的中部套设在所述操控手柄上，且所述防护板随所述操控手柄移动，所述操纵孔在所述操控手柄移动过程中被所述防护板遮盖。所述面板的背面设置安装座，所述安装座上设置防护板移动轨道，所述防护板的两端穿过所述防护板移动轨道。本发明操作简单，可靠性高，可用性高，能有效防止异物掉落进入司机控制器。 【EN】The invention relates to a railway vehicle driver controller, in particular to a driver controller panel protection structure which comprises a panel (1) and a control handle, wherein the control handle extends out of the panel through a control hole formed in the panel, a protection plate is movably arranged below the control hole, the middle part of the protection plate is sleeved on the control handle, the protection plate moves along with the control handle, and the control hole is covered by the protection plate in the moving process of the control handle. The back of panel sets up the mount pad, set up guard plate removal track on the mount pad, the both ends of guard plate are passed guard plate removal track. The invention has simple operation, high reliability and high usability, and can effectively prevent foreign matters from falling into a driver controller.

摘要：【中文】本发明公开了一种轴端接地装置，其包括刷架组件（6）和法兰安装座（4），所述法兰安装座的内腔以电隔离方式安装刷架组件（6），且所述法兰安装座的一端通过第二螺栓（5）与所述刷架组件的一端固定连接，所述法兰安装座的另一端内腔配合定位环（9）的一端；所述定位环的另一端与轴箱（1）配合，同时所述定位环（9）被绝缘块（10）轴向限位，所述法兰安装座通过第一螺栓（2）及金属垫片安装固定在轴箱（1）上。本发明把刷架组件安装在法兰安装座的内腔，且法兰安装座与轴箱采用刚性连接，有效克服了刷架组件安装中存在非金属绝缘件在使用中容易发生形变导致刷架组件脱出掉落造成行车事故的隐患，保证了轴端接地装置的可靠性和安全性。 【EN】The invention discloses a shaft end grounding device which comprises a brush holder assembly (6) and a flange mounting seat (4), wherein the brush holder assembly (6) is mounted in an electrically isolated mode in the inner cavity of the flange mounting seat, one end of the flange mounting seat is fixedly connected with one end of the brush holder assembly through a second bolt (5), and the inner cavity of the other end of the flange mounting seat is matched with one end of a positioning ring (9); the other end of the positioning ring is matched with the axle box (1), meanwhile, the positioning ring (9) is axially limited by an insulating block (10), and the flange mounting seat is fixedly mounted on the axle box (1) through a first bolt (2) and a metal gasket. According to the invention, the brush holder assembly is arranged in the inner cavity of the flange mounting seat, and the flange mounting seat is rigidly connected with the axle box, so that the hidden danger of driving accidents caused by the fact that the brush holder assembly is separated and falls off due to the fact that the non-metal insulating part is easy to deform in use during the installation of the brush holder assembly is effectively overcome, and the reliability and the safety of the axle end grounding device are ensured.

摘要：【中文】本发明公开了一种高CTI值、高灼热丝、低热球压痕的聚碳酸酯/聚酯合金及其制备方法，该聚碳酸酯/聚酯合金包括下述重量份的原料：聚碳酸酯树脂50～90份、聚酯树脂10～25份、相容剂1～6份、阻燃剂5～20份、抗氧剂0.2～1份、润滑剂0.3～0.6重量份。本发明通过将聚碳酸酯树脂、聚酯树脂，阻燃剂、相容剂、阻燃剂、抗氧剂、润滑剂进行复合共混，得到具有高灼热丝、高CTI值、低热球压痕，而且具有耐化学性的聚碳酸酯/聚酯合金，满足了电气元件制造的性能要求。 【EN】The invention discloses a polycarbonate/polyester alloy with high CTI value, high glow wire and low hot ball indentation and a preparation method thereof, wherein the polycarbonate/polyester alloy comprises the following raw materials in parts by weight: 50-90 parts of polycarbonate resin, 10-25 parts of polyester resin, 1-6 parts of compatilizer, 5-20 parts of flame retardant, 0.2-1 part of antioxidant and 0.3-0.6 part of lubricant. The polycarbonate/polyester alloy with high glowing filament, high CTI value, low hot ball indentation and chemical resistance is obtained by compounding and blending the polycarbonate resin, the polyester resin, the flame retardant, the compatilizer, the flame retardant, the antioxidant and the lubricant, and the performance requirement of electric element manufacture is met.

摘要：【中文】用于真空断路器的信号反馈机构，包括框架和固定在框架上的微动开关，所述框架上还铰接有压板、摆臂机构，所述压板的一侧与弹性机构的一端相连接，所述弹性机构的另一端与框架连接；所述摆臂机构的一端与压板保持接触，且在摆臂机构旋转时，压板可与微动开关分离或接触。本发明设置在真空断路器上时，摆臂机构与凸轮板保持接触，将凸轮板的直线运动转变为摆臂机构的旋转运动，间接驱动微动开关，从而避免真空断路器的高速动作直接作用到微动开关上对造成损伤，确保信号能正确反馈给牵引控制中心。 【EN】The signal feedback mechanism for the vacuum circuit breaker comprises a frame and a microswitch fixed on the frame, wherein a pressing plate and a swing arm mechanism are hinged on the frame, one side of the pressing plate is connected with one end of an elastic mechanism, and the other end of the elastic mechanism is connected with the frame; one end of the swing arm mechanism is in contact with the pressure plate, and the pressure plate can be separated from or in contact with the microswitch when the swing arm mechanism rotates. When the swing arm mechanism is arranged on the vacuum circuit breaker, the swing arm mechanism is in contact with the cam plate, the linear motion of the cam plate is converted into the rotary motion of the swing arm mechanism, and the microswitch is indirectly driven, so that the damage to the microswitch caused by the direct action of the high-speed motion of the vacuum circuit breaker is avoided, and the signal can be correctly fed back to a traction control center.

摘要：【中文】一种烟草及烟草制品中醛酮类香味成分的GC‑QTOF检测方法，首先建立127种醛酮类香味成分数据库，包括每种醛酮类香味成分的一级全扫描质谱图、保留时间、碎片离子精确质量、离子丰度比和以正构烷烃系列为参考计算的保留指数；其次对待测的烟草样品进行一级全扫描，得到该样品的一级全扫描数据；最后对样品测定结果，采用数据库进行准确定性，对符合定性条件的醛酮类香味成分使用定量软件进行准确定量。本方法一方面可通过实际质谱图与高分辨质谱图匹配鉴定醛酮类香味成分，另一方面可通过设定目标源为已建立的醛酮类香味成分数据库，进行精确质量提取，以两个以上特征离子准确检出，特征离子丰度比和保留时间/指数与数据库中一致作为定性依据。 【EN】A GC-QTOF detection method of aldone flavor components in tobacco and tobacco products comprises the steps of firstly establishing 127 aldone flavor component databases, wherein the aldone flavor component databases comprise a primary full-scanning mass spectrogram, retention time, accurate mass of fragment ions, ion abundance ratio and retention indexes calculated by taking normal alkane series as reference of each aldone flavor component; secondly, performing primary full scanning on the tobacco sample to be detected to obtain primary full scanning data of the sample; and finally, accurately determining the sample measurement result by using a database, and accurately quantifying the aldehyde ketone fragrance components meeting qualitative conditions by using quantitative software. According to the method, on one hand, the aldone fragrance components can be identified by matching the actual mass spectrogram and the high-resolution mass spectrogram, on the other hand, accurate mass extraction can be performed by setting the target source as an established aldone fragrance component database, more than two characteristic ions are accurately detected, and the abundance ratio and retention time/index of the characteristic ions are consistent with those in the database as qualitative basis.

摘要：【中文】本发明涉及一种烟叶的特异引物及烤后烟叶品种鉴定方法，用于红花大金元烟叶的检测，其中，特异引物序列中，确定为特定的上游引物和下游引物，并经过PCR扩增，经过琼脂糖电泳后进行判定，若特异性的扩增产物为明亮230bp条带时，判断对应的烟叶为红花大金元烟叶。应用本技术方案的方法，烟叶经DNA提取、PCR扩增和常规的琼脂糖电泳后即可判定是否为红花大金元，无需对扩增产物进行限制性内切酶酶切。对于烟叶原料收购中烟叶弄虚作假的防治具有重要的实用价值，本技术方案与现有技术相比，具有特异性强、实用性好、操作简便快捷的技术优势和积极效果。 【EN】The invention relates to a specific primer of tobacco leaves and a method for identifying varieties of cured tobacco leaves, which are used for detecting Hongda tobacco leaves, wherein specific upstream primers and specific downstream primers are determined in specific primer sequences, PCR amplification is carried out, judgment is carried out after agarose electrophoresis, and if specific amplification products are bright 230bp bands, the corresponding tobacco leaves are judged to be the Hongda tobacco leaves. By applying the method of the technical scheme, the tobacco leaves can be judged whether to be the Honghuadajinyuan or not after DNA extraction, PCR amplification and conventional agarose electrophoresis, and the amplified products do not need to be subjected to restriction enzyme digestion. The method has important practical value for preventing and treating the false-filling of the tobacco leaves in the purchase of the tobacco leaf raw materials, and compared with the prior art, the technical scheme has the technical advantages of strong specificity, good practicability, simple and quick operation and positive effect.

摘要：【中文】本发明公开了一种灯泡贯流式水轮发电机组的灯泡头和锥体吊装方法，所述方法包括：安装轨道组件，并进行安装工具组件的组装；将锥体与灯泡头进行吊装，并将锥体与灯泡头组装，以形成组合体；将组合体移往流道上游，并将转子及定子进行吊装；将组合体移往流道下游，并将组合体与定子进行连接，基于本发明提出的灯泡贯流式水轮发电机组的灯泡头和锥体吊装方法，解决安装工具组件安拆不方便、结构稳定性不容易保证、无法进行精确快速定位、通用性较差等问题。 【EN】The invention discloses a method for hoisting a bulb head and a cone of a bulb tubular water turbine generator set, which comprises the following steps: installing a rail assembly and assembling an installation tool assembly; hoisting the cone and the bulb head, and assembling the cone and the bulb head to form a combined body; moving the combined body to the upstream of the flow channel, and hoisting the rotor and the stator; the combination body is moved to the downstream of the flow channel, and the combination body is connected with the stator, so that the problems of inconvenience in mounting and dismounting of a mounting tool assembly, difficulty in ensuring structural stability, incapability of accurate and rapid positioning, poor universality and the like are solved based on the bulb head and cone hoisting method of the bulb through-flow type water turbine generator set.