摘要：【中文】本申请适用于通信技术领域，提供了一种网络切换方法、装置、终端设备及介质，所述方法包括：通过双卡卡槽检测模块对第一卡槽和第二卡槽的卡槽状态进行检测；若检测到第一卡槽中插入有第一用户身份识别卡，第二卡槽中插入有第二用户身份识别卡，则获取第一用户身份识别卡的第一卡信息和第二用户身份识别卡的第二卡信息，并将第一卡信息和对应的第一卡槽的第一位置信息、第二卡信息和对应的第二卡槽的第二位置信息关联存储；采用第一卡信息注册网络并联网；当第一用户身份识别卡出现网络异常时，获取第二用户身份识别卡的第二卡信息，采用第二卡信息注册网络并联网。通过上述方法，能够自动切换网络，保障终端设备网络稳定。 【EN】The application is applicable to the technical field of communication, and provides a network switching method, a device, terminal equipment and a medium, wherein the method comprises the following steps: detecting the card slot states of the first card slot and the second card slot through a double-card slot detection module; if the first card slot is detected to be inserted with a first user identity identification card and the second card slot is detected to be inserted with a second user identity identification card, acquiring first card information of the first user identity identification card and second card information of the second user identity identification card, and storing the first card information and corresponding first position information of the first card slot, the second card information and corresponding second position information of the second card slot in an associated manner; adopting first card information to register a network and networking; and when the first user identification card is abnormal, acquiring second card information of a second user identification card, and adopting the second card information to register the network and connect the network. By the method, the network can be automatically switched, and the network stability of the terminal equipment is guaranteed.

摘要：【中文】本发明公开了一种新型配料室料仓卸料口密封装置及开启装置，包括料仓卸料口以及密封料仓卸料口的密封部，密封部设有安装在料仓卸料口一侧的底座，底座通过铰接件连接若干盖板，盖板用于掩盖料仓卸料口且与料仓卸料口一一对应，盖板两个与底座垂直的侧边设有向上翘起的盖板凸起，盖板四周设有用于密封的密封件；本发明设计的密封装置利用轻型盖板有效解决冶金企业原燃料配料室料仓卸料口逸尘问题；设计的盖板重量轻，方便清理卸料车移动时洒落在地面及料仓篦子上方的杂物及大块物料；设计的盖板上两侧设有盖板凸起，便于前开启件开启盖板；设计前开启件和后关闭件为楔形结构，便于开启和关闭盖板；设计的密封件和平板密封件使卸料时没有扬尘。 【EN】The invention discloses a novel sealing device and an opening device for a bin discharge opening of a batching chamber, which comprise a bin discharge opening and a sealing part for sealing the bin discharge opening, wherein the sealing part is provided with a base arranged on one side of the bin discharge opening, the base is connected with a plurality of cover plates through an articulated piece, the cover plates are used for covering the bin discharge opening and are in one-to-one correspondence with the bin discharge opening, two side edges of each cover plate, which are vertical to the base, are provided with cover plate bulges which are upwards tilted, and sealing parts for sealing are arranged on the periphery of each cover plate; the sealing device designed by the invention effectively solves the problem of dust escape of a discharge opening of a raw fuel batching chamber bin of a metallurgical enterprise by utilizing the light cover plate; the designed cover plate is light in weight, and is convenient for cleaning sundries and large materials scattered on the ground and above the bin grate when the discharging car moves; the cover plate bulges are arranged on the two sides of the designed cover plate, so that the cover plate can be conveniently opened by the front opening piece; the front opening piece and the rear closing piece are designed to be wedge-shaped structures, so that the cover plate can be opened and closed conveniently; the sealing element and the flat sealing element are designed to ensure that no dust is raised during discharging.

摘要：【中文】本发明公开了一种金属陶瓷微细钻头的制造方法及微细钻头，包括以下步骤:(1)利用金属陶瓷复合粉体制备金属陶瓷棒材；(2)在外圆磨床上，将金属陶瓷棒材一端修磨成刀柄部分，并在另一端磨出刀尖部分，刀柄部分和刀尖部分之间有圆锥颈部衔接；(3)在超精密刀具磨床上磨槽、磨背、磨刀尖和磨微钻外缘，实现微细钻头的主切削刃、副切削刃、横刃的成型。 【EN】The invention discloses a manufacturing method of a metal ceramic micro-drill and the micro-drill, comprising the following steps of (1) preparing a metal ceramic bar by using metal ceramic composite powder; (2) grinding one end of a metal ceramic bar into a cutter handle part on an outer circle grinding machine, grinding a cutter tip part at the other end of the metal ceramic bar, and connecting the cutter handle part and the cutter tip part through a conical neck part; (3) and (3) grinding grooves, back and tool nose on the ultra-precise tool grinding machine and grinding the outer edge of the micro drill to realize the forming of a main cutting edge, an auxiliary cutting edge and a cross edge of the micro drill.

摘要：【中文】本发明公开一种三通道特征融合人脸识别方法，具体步骤如下：步骤1，采集不同的人脸图像组成数据集；对数据集做预处理得到预处理图像集；步骤2，建立基于三通道特征融合的BP神经网络模型，包括粗采样通道20、LBP通道19、细采样通道18；步骤3，用预处理图像集对基于三通道特征融合的BP神经网络模型进行训练；步骤4，输入待识别的图像，利用训练好的基于三通道特征融合的BP神经网络模型进行特征相似度对比，输出最高相似度及其图像；步骤5，设定阈值，根据步骤4中输出的相似度与阈值作比较，判别与待识别的图像中是否为同一个人。本发明解决了传统人脸识别方法无法对人脸全方位特征进行提取的问题，提高了人脸的识别准确率。 【EN】The invention discloses a three-channel feature fusion face recognition method, which comprises the following specific steps: step 1, collecting different face images to form a data set; preprocessing the data set to obtain a preprocessed image set; step 2, establishing a BP neural network model based on three-channel feature fusion, wherein the BP neural network model comprises a rough sampling channel 20, an LBP channel 19 and a fine sampling channel 18; step 3, training a BP neural network model based on three-channel feature fusion by using a preprocessed image set; step 4, inputting an image to be recognized, comparing feature similarity by using a trained BP neural network model based on three-channel feature fusion, and outputting the highest similarity and the image thereof; and 5, setting a threshold, comparing the similarity output in the step 4 with the threshold, and judging whether the image to be identified is the same person or not. The invention solves the problem that the traditional face recognition method can not extract all-round features of the face, and improves the face recognition accuracy.

摘要：【中文】本发明涉及一种耐蚀稀土轴承钢及其制备方法，所述耐蚀稀土轴承钢的成分质量百分比含量(wt％)为：C 0.90‑1.10、Si 0.20‑0.40、Mn 0.20‑0.50、Cr 1.35‑1.70、Cu 0.12‑0.26、Al_t 0.015‑0.035、P≤0.020、S≤0.010，稀土合金：0.003～0.005，余量为Fe和不可避免的杂质。微量稀土的加入，细化了夹杂物尺寸，降低了夹杂物数量，显著提高了轴承钢的疲劳寿命，而Cu元素的加入，提高了其耐蚀性的同时，显著提升了其表面质量。 【EN】The invention relates to corrosion-resistant rare earth bearing steel and a preparation method thereof, wherein the corrosion-resistant rare earth bearing steel comprises the following components in percentage by mass: c0.90‑1.10、Si 0.20‑0.40、Mn 0.20‑0.50、Cr 1.35‑1.70、Cu 0.12‑0.26、Al_t0.015-0.035%, P is less than or equal to 0.020%, S is less than or equal to 0.010%, rare earth alloy: 0.003 to 0.005, and the balance of Fe and inevitable impurities. The addition of trace rare earth refines the size of inclusions, reduces the number of inclusions, and obviously prolongs the fatigue life of the bearing steel, while the addition of Cu element obviously improves the surface quality of the bearing steel while improving the corrosion resistance of the bearing steel.

摘要：【中文】本发明公开了一种拖拉机耕深多参数联合自动调节系统及方法，本发明在拖拉机耕作前，系统进行初始化并设定耕作参数、选取加权系数；耕作时，系统判别是否进行联合自动调节后根据传感器的反馈信号计算实时滑转率；当滑转率在设定门限内时，系统判别加权系数取值是否合理，若其超出设定区间需重新输入或退出调节，否则系统将根据加权系数取值分配反馈信号比例，输出相应的耕深调节模式；耕作过程中，若滑转率超出设定门限，系统直接进行滑转率调节直至调整到设定门限内，系统再次判别加权系数，如此循环调整，可实现多种调节模式的自动判别与柔性切换。本发明提高了拖拉机的耕作质量与效率，提升了整机智能化水平。 【EN】The invention discloses a tractor tilling depth multi-parameter combined automatic adjusting system and a method, before the tractor tills, the system initializes and sets tilling parameters and selects weighting coefficients; during tillage, the system judges whether to carry out combined automatic adjustment or not and then calculates the real-time slip rate according to a feedback signal of the sensor; when the slip ratio is within a set threshold, the system judges whether the value of the weighting coefficient is reasonable, if the value exceeds the set interval, the system needs to input or quit the adjustment again, otherwise, the system distributes the proportion of the feedback signal according to the value of the weighting coefficient and outputs a corresponding tilling depth adjustment mode; in the farming process, if the slip rate exceeds a set threshold, the system directly adjusts the slip rate until the slip rate is adjusted to be within the set threshold, and the system judges the weighting coefficient again, so that the automatic judgment and flexible switching of multiple adjusting modes can be realized through the cyclic adjustment. The invention improves the farming quality and efficiency of the tractor and the intelligence level of the whole tractor.

摘要：【中文】本发明公开了一种便于安装的电梯监控设备固定座，属于安防监控技术领域，解决了现有的电梯监控设备固定座维护时需要整体拆卸、需要拆除螺钉的问题，其包括监控本体、固定座、旋转座、安装座、卡接座和固定架，通过将卡接座底部的限位杆插入固定架上的限位孔内，卡接杆顶入卡槽的卡口位置，向内按压滑动块，滑动块通过拨叉带动旋转盘转动，旋转盘底部的卡槽一同旋转，并将卡槽的凹形卡槽部分卡住卡接杆的T型头部分，使两者相卡接，从而保证卡接座与固定架的卡紧连接，操作方便快捷，向外抽拉滑动块，也方便将监控本体、固定座、旋转座、旋转臂、安装座以及卡接座所构成的整体拆除，仅留固定架安装在电梯上，拆卸方便快捷，无需反复拆卸螺钉。 【EN】The invention discloses a conveniently-installed elevator monitoring equipment fixing seat, which belongs to the technical field of security protection monitoring and solves the problems that the conventional elevator monitoring equipment fixing seat needs to be integrally disassembled and screws need to be disassembled when being maintained, and comprises a monitoring body, a fixing seat, a rotating seat, an installation seat, a clamping seat and a fixing frame, wherein a limiting rod at the bottom of the clamping seat is inserted into a limiting hole on the fixing frame, a clamping rod is pushed into the bayonet position of a clamping groove, a sliding block is pressed inwards, the sliding block drives a rotating disc to rotate through a shifting fork, the clamping groove at the bottom of the rotating disc rotates together, the concave clamping groove part of the clamping groove is clamped with the T-shaped head part of a clamping connecting rod, the clamping seat and the fixing frame are clamped and connected, the operation is convenient and fast, the sliding block is pulled outwards, and the monitoring body, the fixing seat, the rotating seat, a rotating arm, the installation seat and the, only stay the mount and install on the elevator, dismantle convenient and fast, need not to dismantle the screw repeatedly.

摘要：【中文】本发明公开了一种多跨距小直径孔同轴度加工方法及加工装置，利用已经加工完成的前端孔作为加工末端孔的同轴定位基准，能够确保前端孔和末端孔的同轴度；加工装置的专用刀柄上均安装有与预先加工的前端孔配合的支撑环，支撑环和专用刀柄之间设置有能够在支撑环和前端孔之间形成动压油膜的供油装置，供油装置包括设置在专用刀柄内的油道，支撑环上周向分布有多个与油道连通的通油孔，支撑环的周向表面上设置有多个与通油孔一一对应的供油孔；使用时，支撑环与前端孔内径配合，在加工刀具的高速旋转过程中，油道内的液压油经过通油孔和供油孔，在支撑环的外壁与前端孔的内壁之间形成动压油膜，防止专用刀柄转动对已经加工好的前端孔形成损害。 【EN】The invention discloses a method and a device for processing the coaxiality of a multi-span small-diameter hole, which can ensure the coaxiality of a front end hole and a tail end hole by using a processed front end hole as a coaxial positioning reference for processing the tail end hole; the special tool handles of the processing device are respectively provided with a support ring matched with a pre-processed front end hole, an oil supply device capable of forming a dynamic pressure oil film between the support ring and the front end hole is arranged between the support ring and the special tool handles, the oil supply device comprises an oil duct arranged in the special tool handles, a plurality of oil through holes communicated with the oil duct are circumferentially distributed on the support ring, and a plurality of oil supply holes corresponding to the oil through holes one to one are arranged on the circumferential surface of the support ring; when the special tool holder is used, the support ring is matched with the inner diameter of the front end hole, hydraulic oil in the oil duct passes through the oil through hole and the oil supply hole in the high-speed rotating process of the machining tool, a dynamic pressure oil film is formed between the outer wall of the support ring and the inner wall of the front end hole, and damage to the machined front end hole due to rotation of the special tool holder is prevented.

摘要：【中文】本发明涉及铣削加工领域，尤其是一种可替代铣削刀具测温的装置及方法。该装置考虑了对流换热系数对刀具温度的影响，可以通过测试断续车削刀具的温度来准确预测高速铣削加工刀具的温度。本装置包括车削刀具、无极调速风机、断续车削工件、风速仪、红外热成像仪。在立式加工中心的工作台上装夹车削刀具的刀杆；把工件连接并安装于加工中心的主轴上，随主轴转动，工件加工成盘式凸起式，用来模拟断续加工；在刀具旁边，安装两个无极调速风机，利用风速仪测试风速，使风速与铣削加工时刀具的线切削速度一致；利用红外热成像仪测试断续车削刀具的温度，进而可以更准确的预测铣削刀具的温度。按照实施例参数附表的切削参数进行测温实验。 【EN】The invention relates to the field of milling, in particular to a device and a method for measuring temperature by replacing a milling cutter. The device considers the influence of the convective heat transfer coefficient on the temperature of the cutter, and can accurately predict the temperature of the high-speed milling cutter by testing the temperature of the intermittent turning cutter. The device comprises a turning tool, a stepless speed regulating fan, an intermittent turning workpiece, an anemometer and an infrared thermal imager. A cutter bar for clamping a turning cutter is arranged on a workbench of the vertical machining center; connecting and mounting a workpiece on a main shaft of a machining center, rotating along with the main shaft, and machining the workpiece into a disc-type protrusion type for simulating intermittent machining; two stepless speed regulating fans are arranged beside the cutter, and an anemometer is used for testing the wind speed, so that the wind speed is consistent with the linear cutting speed of the cutter during milling; and an infrared thermal imager is utilized to test the temperature of the intermittent turning tool, so that the temperature of the milling tool can be predicted more accurately. Temperature measurement experiments were carried out according to the cutting parameters of the attached table of parameters of examples.

摘要：【中文】本发明涉及一种高综合性能的硬质合金刀具材料及其制备方法。由以下质量份的原料组成WC65‑90份、Al₂O₃ 5‑30份、Co3‑10份、Y₂O₃ 0.5‑2份。制备工艺为：将所有原始粉末分别装入球磨筒中，分别进行球磨，混合后再球磨；将球磨后的全部组份的混合料放入真空干燥箱中进行干燥，将过筛后的粉体封装待用；装入高强度石墨模具中，然后放入真空烧结炉中；在真空气氛下，用29min升至1450℃，在此温度下施加压力32MPa、保温30min的条件下热压烧结成型。本发明制备的刀具材料具有优异的综合力学性能，在保持高抗弯强度和高断裂韧度同时提高硬度。 【EN】The invention relates to a hard alloy cutter material with high comprehensive performance and a preparation method thereof. Comprises the following raw materials of, by mass, WC65-90 parts and Al₂O₃5-30 parts of Co3-10 parts of Y₂O₃0.5-2 parts. The preparation process comprises the following steps: respectively loading all the original powder into a ball milling cylinder, respectively carrying out ball milling, mixing and then carrying out ball milling; putting the mixture of all the components after ball milling into a vacuum drying oven for drying, and packaging the sieved powder for later use; loading into a high-strength graphite mould, and then putting into a vacuum sintering furnace; under the vacuum atmosphere, the method comprises the following steps of,heating to 1450 deg.C for 29min, applying pressure of 32MPa at the temperature, and holding the temperature for 30 min. The cutter material prepared by the invention has excellent comprehensive mechanical properties, and the hardness is improved while the high bending strength and the high fracture toughness are kept.