摘要：【中文】本发明公开了一种新型悬垂线夹，属于一种电力传输设备类设施。一种新型悬垂线夹，包括线夹船体、夹板和第一螺栓；所述夹板的顶部设置有安装孔，所述第一螺栓穿过所述安装孔螺纹连接于所述线夹船体的侧壁；所述线夹船体的两内侧壁均设置有沿线夹船体长度方向的限位槽，所述夹板的两侧边分别嵌入于所述限位槽，所述线夹船体的内侧壁额外增设所述限位槽，夹板的侧部通过所述限位槽嵌合在所述线夹船体内，所述第一螺栓与所述限位槽对所述夹板进行双重固定约束，确保在所述第一螺栓脱落或松动时，由于所述夹板的侧部仍嵌合在所述线夹船体内，此时由所述限位槽对所述夹板进行限位固定，所述夹板不会发生位移或脱落。 【EN】The invention discloses a novel suspension clamp, and belongs to a facility of power transmission equipment. A novel suspension clamp comprises a clamp hull, a clamping plate and a first bolt; the top of the clamping plate is provided with a mounting hole, and the first bolt penetrates through the mounting hole and is connected to the side wall of the cable clamp hull in a threaded mode; two inside walls of fastener hull all are provided with the spacing groove of fastener hull length direction along the line, the both sides limit of splint imbed respectively in the spacing groove, the inside wall of fastener hull is additionally add the spacing groove, and the lateral part of splint passes through the spacing groove gomphosis is in the fastener hull, first bolt with the spacing groove is right splint carry out dual fixed restraint, ensure when first bolt drops or becomes flexible, because the lateral part of splint still gomphosis is in the fastener hull, by this moment the spacing groove is right splint carry out spacing fixed, splint can not take place the displacement or drop.

摘要：本发明涉及防爆墙的成形工艺技术领域，具体为一种免装饰大跨度超高成品防爆墙及其施工工艺，防爆墙包括前防火板和后防火板、防火组件、缓冲调节组件和预紧件，有益效果为：通过设置带有缓冲调节组件的防爆墙，从而利用气囊实现对填充物进行充分的挤压限定，从而缓冲温度应力造成的影响，避免产生空鼓，保持填充物致密的填充，同时利用贯穿延伸的连接环与预紧件之间的配合，从而提高连接的预紧拼装强度，提高了安装的便捷性，节省装饰装修分部分项工程施工工序，减少环境污染，提高施工效率，降低工程成本；并且免装饰成品防爆墙施工作业面较小、施工灵活，可以与其它工序穿插进行，可大大提高施工效率，确保工程整体进度，节省施工工期。

摘要：【中文】本发明涉及通信安全技术领域，公开了一种基于自动标注与学习的恶意节点物理层检测方法及检测系统。所述检测方法基于信道差异的物理层认证策略识别网络中接入节点的类型，可同时检测发起克隆攻击和Sybil攻击的恶意节点；根据接入节点的类型自动注入相应的标签，克服了人工注入攻击标签的问题，解决了运用监督型机器学习算法进行信道认证时缺乏攻击标签样本的困难；利用物理层信道差异，设定门限方法自动注入攻击标签样本，为机器学习算法提供离线带标签样本集，从而实现自动标签注入和学习，提高了对接入节点的恶意节点检测率。本发明能够有效的解决工业边缘计算物联网不对称场景下，边缘计算节点对各类工业无线设备的恶意节点检测问题。 【EN】The invention relates to the technical field of communication safety, and discloses a malicious node physical layer detection method and a detection system based on automatic labeling and learning. The detection method identifies the type of the access node in the network based on the physical layer authentication strategy of channel difference, and can simultaneously detect the malicious node which initiates clone attack and Sybil attack; corresponding labels are automatically injected according to the types of the access nodes, so that the problem of manually injecting attack labels is solved, and the difficulty that attack label samples are lacked when a supervision type machine learning algorithm is used for channel authentication is solved; by utilizing physical layer channel difference, the attack tag sample is automatically injected by a threshold setting method, and an offline tagged sample set is provided for a machine learning algorithm, so that automatic tag injection and learning are realized, and the malicious node detection rate of an access node is improved. The method can effectively solve the problem of malicious node detection of the edge computing node on various industrial wireless devices in the asymmetric scene of the industrial edge computing Internet of things.

摘要：【中文】本发明涉及一种电缆沟，包括沟体和盖在沟体上的多个盖板，沟体为长方体形的沟槽结构，盖板包括顶板、一体连接在顶板两端的外封板和一体连接在顶板底面的两个内封板，内封板及外封板均与顶板垂直，内封板与和其相邻的外封板能将沟体的侧壁夹紧在两者之间；沟体的底部设置有排水装置，排水装置包括外套管、排水管和转动设置在排水管的排水端的自封组件；外套管的一端固定连接在沟体的底面、另一端连通集水装置；排水管套设在外套管内，且一端固定在沟体底面并与沟体内连通、另一端伸入外套管内；本发明的电缆沟能较好的防止雨水及雪水渗入沟体内，并能实现沟体内积水的自动排出，节约了人力，同时降低了沟体内积水造成的安全隐患。 【EN】The invention relates to a cable trench, which comprises a trench body and a plurality of cover plates covered on the trench body, wherein the trench body is of a rectangular trench structure, each cover plate comprises a top plate, outer seal plates integrally connected to two ends of the top plate and two inner seal plates integrally connected to the bottom surface of the top plate, the inner seal plates and the outer seal plates are both vertical to the top plate, and the inner seal plates and the outer seal plates adjacent to the inner seal plates can clamp the side wall of the trench body between the inner seal plates and the outer seal plates; the bottom of the ditch body is provided with a drainage device, and the drainage device comprises an outer sleeve, a drainage pipe and a self-sealing assembly rotatably arranged at the drainage end of the drainage pipe; one end of the outer sleeve is fixedly connected with the bottom surface of the ditch body, and the other end of the outer sleeve is communicated with the water collecting device; the drain pipe is sleeved in the outer sleeve, one end of the drain pipe is fixed on the bottom surface of the ditch body and communicated with the ditch body, and the other end of the drain pipe extends into the outer sleeve; the cable trench can better prevent rainwater and snow water from permeating into the trench body, can realize automatic discharge of accumulated water in the trench body, saves manpower, and simultaneously reduces potential safety hazards caused by accumulated water in the trench body.

摘要：【中文】本发明公开一种砂带接口结构及其对接工艺，包括有砂带本体与设置在所述砂带本体两端的连接部，所述砂带本体包括有依次相贴合的磨料、底胶、砂带基体组织与涂层，所述连接部包括有以底胶向两端延伸从而形成的砂面磨边与以砂带基体组织向两端延伸从而形成的布面磨边，根据这样的结构，当两端的连接部连接时，通过砂面磨边的设置，降低了接头的厚度，并低于砂带的厚度，从而使砂带在打磨时不会在表面留下纹路，达到平滑过渡，使磨削后的木板表面更平滑，具有更好的磨削质量。 【EN】The invention discloses an abrasive belt interface structure and a butt joint process thereof, which comprises an abrasive belt body and connecting parts arranged at two ends of the abrasive belt body, wherein the abrasive belt body comprises an abrasive material, a primer, an abrasive belt matrix structure and a coating which are sequentially attached, and the connecting parts comprise a sand surface edge grinding formed by extending the primer to two ends and a cloth surface edge grinding formed by extending the abrasive belt matrix structure to two ends.

摘要：本发明提出基于数字孪生的制造车间有效工时可解释性计算方法。首先，建立车间人员的信息数据库；然后，建立车间的三维虚拟场景；集成机器视觉与UWB超宽带设备识别并动态追踪人员以获取其身份、坐标和时间戳信息；对上述两种方式获取到的人员信息进行配对，通过均值‑方差法来检测并删除坐标数据中的异常值，并通过加权平均方法对坐标数据进行融合，得到更真实的坐标信息；建立信息数据库与Unity的连接，在虚拟车间实时展示人员的移动轨迹和行为，对有效工时进行可视化解释；最后，计算人员在上班期间的总工时T1，分析工人在工作区域的非工作行为占用时间，记为无效工时T1，将T1减去T2得到有效工时T3，并反馈到Untiy中。

摘要：【中文】本发明的一种桥梁预制梁板底部支撑结构，包括底板和调平板，底板的中部设有调节座，并在底板的周边均匀布设有调节螺母，调节螺母内装设有调节丝杆，调节丝杆的顶部与调平板相抵触；调节座内装球形支座，球形支座的顶部与调节板固定相连。本发明的一种桥梁预制梁板底部支撑结构，通过利用球形支座可以实现调平板倾斜度的改变，并利用调节座和调节丝杆的作用，以实现对其角度的导向。将本发明的一种桥梁预制梁板底部支撑结构，装设在预制梁底部楔形块下方，可以快速实现对其纵横向坡度的调节，使用方便快捷。 【EN】The bottom supporting structure of the bridge precast beam plate comprises a bottom plate and a leveling plate, wherein the middle part of the bottom plate is provided with an adjusting seat, adjusting nuts are uniformly distributed on the periphery of the bottom plate, adjusting screw rods are arranged in the adjusting nuts, and the tops of the adjusting screw rods are abutted to the leveling plate; the spherical support is arranged in the adjusting seat, and the top of the spherical support is fixedly connected with the adjusting plate. According to the bridge precast beam plate bottom supporting structure, the inclination of the leveling plate can be changed by utilizing the spherical support, and the angle of the bridge precast beam plate can be guided by utilizing the functions of the adjusting seat and the adjusting screw rod. The bottom supporting structure of the bridge precast beam plate is arranged below the wedge-shaped block at the bottom of the precast beam, so that the longitudinal and transverse gradient of the bridge precast beam plate can be quickly adjusted, and the bridge precast beam plate is convenient and quick to use.

摘要：【中文】本发明涉及一种多功能公猪查情车，该多功能公猪查情车包括由前至后依次相连的车头板、车身板、车尾板，车头板与车身板之间、车身板与车尾板之间均为可拆卸铰接，车身板上并列设有一对侧护栏，每个侧护栏的前端均设有多个前柔性链条，车头板上设有伸缩式的车头护栏机构，该车头护栏机构与前柔性链条的前端固定连接；每个侧护栏的后端均设有多个后柔性链条，车尾板上设有伸缩式的车尾护栏机构，该车尾护栏机构与后柔性链条的后端固定连接。与现有技术相比，本发明既能够适用于所有体积的公猪，可以根据猪的大小随时调节，又便于在拐弯处实现灵活转弯，提高了公猪查情的效率，减少劳动力，增强工作效率。 【EN】The invention relates to a multifunctional boar estrus checking vehicle which comprises a head plate, a body plate and a tail plate which are sequentially connected from front to back, wherein the head plate, the body plate and the tail plate are detachably hinged, a pair of side guardrails are arranged on the body plate in parallel, a plurality of front flexible chains are arranged at the front end of each side guardrail, a telescopic head guardrail mechanism is arranged on the head plate, and the head guardrail mechanism is fixedly connected with the front ends of the front flexible chains; the rear end of every side guardrail all is equipped with a plurality of back flexible chains, is equipped with telescopic rear of a vehicle guardrail mechanism on the rear of a vehicle board, and this rear of a vehicle guardrail mechanism and the rear end fixed connection of back flexible chain. Compared with the prior art, the boar turning device can be suitable for boars with all sizes, can be adjusted at any time according to the size of the boars, is convenient for realizing flexible turning at the turning positions, improves boar feeling checking efficiency, reduces labor force and enhances working efficiency.

摘要：【中文】本发明涉及图像处理领域，公开了一种视频特征提取方法及装置、电子设备及存储介质，其中，视频特征提取方法，包括：获取待检测视频中第k帧视频帧作为检测视频帧，k为大于1的正整数；计算所述检测视频帧各个像素点的行间差值累计值和列间差值累计值；基于所述行间差值累计值和所述列间差值累计值，确定多个矩形候选区域；对多个所述矩形候选区域进行筛选，确定目标区域；对所述目标区域进行视频特征提取。本发明实施方式所提供的视频特征提取方法及装置、电子设备及存储介质，具有减少黑边及画中画对视频特征提取的影响，提升视频特征提取的准确性的优点。 【EN】The invention relates to the field of image processing, and discloses a video feature extraction method and device, electronic equipment and a storage medium, wherein the video feature extraction method comprises the following steps: acquiring a kth frame of video frames in a video to be detected as a detection video frame, wherein k is a positive integer greater than 1; calculating the row difference accumulated value and the column difference accumulated value of each pixel point of the detected video frame; determining a plurality of rectangular candidate regions based on the inter-row difference integrated values and the inter-column difference integrated values; screening a plurality of rectangular candidate regions to determine a target region; and extracting video features of the target area. The video feature extraction method and device, the electronic device and the storage medium provided by the embodiment of the invention have the advantages of reducing the influence of black edges and picture-in-picture on video feature extraction and improving the accuracy of video feature extraction.

摘要：【中文】本发明提供了一种预防豆粕诱发的罗非鱼内质网损伤的饲料添加剂及其制备方法以及罗非鱼饲料，属于饲料技术领域。按重量份数计，上述饲料添加剂包括发酵中草药10‑25份、尼克酰胺0.2‑0.8份以及海泡石74.2‑89.8份。用于制备发酵中草药的中草药包括薤白、石菖蒲和粉防己。该饲料添加剂通过组分间的协调互补以及复配作用，可共同清除罗非鱼体内的活性氧，维持细胞内钙离子稳态，降低高豆粕日粮对细胞的毒性作用，减少内质网损伤。其制备方法包括：按配比混合各原料成分。该方法简单，易操作。含有以上饲料添加剂的高含量豆粕罗非鱼饲料能够有效改善或避免罗非鱼在饲喂高豆粕饲料条件下的内质网损伤。 【EN】The invention provides a feed additive for preventing tilapia endoplasmic reticulum damage induced by bean pulp, a preparation method thereof and tilapia feed, belonging to the technical field of feed. The feed additive comprises, by weight, 10-25 parts of fermented Chinese herbal medicines, 0.2-0.8 part of nicotinamide and 74.2-89.8 parts of sepiolite. The Chinese herbal medicine for preparing the fermented Chinese herbal medicine comprises Bulbus Allii Macrostemi, rhizoma Acori Graminei and radix Stephaniae Japonicae. The feed additive can remove active oxygen in tilapia bodies, maintain calcium ion steady state in cells, reduce toxic effect of high soybean meal daily ration on cells and reduce endoplasmic reticulum damage through coordination and complementation and compounding of components. The preparation method comprises the following steps: mixing the raw material components according to the proportion. The method is simple and easy to operate. The tilapia feed containing the feed additive and high in soybean meal content can effectively improve or avoid endoplasmic reticulum damage of tilapia under the condition of feeding the high soybean meal feed.