HOU CHUANXIN (Total 30 Patents Found)

本实用新型公开一种校正烟机喇叭嘴的工装,包括基准块、校正棒和校正槽,所述基准块中部开有供校正棒穿过的长圆孔,基准块上部开有校正槽,基准块下部设计有基准面。本工装结构简单,能有效且简便地校正喇叭嘴,使两个喇叭嘴处在...
本发明涉及一种日本血吸虫抗原的融合蛋白及其在哨鼠早期监测中的应用。以日本血吸虫23kDa膜蛋白大亲水肽段为基础进行n次重复,中间以柔性肽与质粒载体上编码的日本血吸虫谷胱甘肽转移酶(GST)相连,其结构式为GST-(Sj23HD)n。本次研究的蛋...
The invention provides a full power trial method for inhibiting a zero sequence direct-current component, comprising the following steps: generating and extracting the zero sequence direct-current component; controlling the zero sequence direct-current component through a PID (Proportion Integration Differentiation) co...
本实用新型公开了一种紧凑型电动汽车充电模块,属于电力电子技术领域。本实用新型由AC/DC单元和DC/DC单元两部分组成,其中AC/DC单元将三相交流电变换为恒定的直流电,DC/DC单元将恒定的直流电变换为可调的直流电;该充电模块采用高耐压、...
一种卷烟滤嘴接装机的分离轮,包括机座、分离滑块、滑块推杆、负压孔、弹簧、内圈凸轮、外圈凸轮、负压抽风管。本实用新型凸轮升降角度加大,因此滑块转动时加速度减小、冲击降低,提高了凸轮、滚轮的使用寿命,降低了机器的噪音...
A method for fabricating a metal structure for a semiconductor device is disclosed. The method begins with providing a wafer with a current input contact and current output contact. Remaining steps include loading the wafer into a deposition apparatus, depositing a layer of metal onto a predefined metal region, removin...
本发明提供一种抑制零序直流分量的全功率试验方法,包括以下步骤:零序直流分量的产生及提取;通过PID控制器对所述零序直流分量进行控制;抑制并消除零序直流分量。本发明提供一种抑制零序直流分量的全功率试验方法,能够抑制直流...
The utility model discloses a double-layer omni-directional adjustable well opening device of a heavy oil well. The double-layer omni-directional adjustable well opening device of the heavy oil well is especially applied to the heavy oil well which is large in a polish rod and well opening eccentricity and server in ec...
The utility model discloses an anti-theft joint of a pressure gauge, especially suitable for using in the pressure gauge arranged in the field, such as the pressure gauge arranged in an oil field device. The anti-theft joint of the pressure gauge comprises a joint body, a locking sleeve is sleeved on the outside of the...
The invention provides a text classification feature selecting method based on term frequency and chi-square statistics. The method comprises the following steps of preprocessing a data set; transforming each data object into a vector of a feature space; respectively calculating the maximum term frequency and the avera...
本实用新型公开一种高位柔性出烟装置,包括墙板,在墙板上从输入端到输出端依次设置有玻璃过渡板、中间夹持输送部、储烟室及输出皮带。通过设置由上输送皮带、下输送皮带等组成的中间夹持输送部,替代了现有的中间轮、取样轮等,...
The utility model discloses an extracting machine of a motor belt pulley. The extracting machine of the motor belt pulley is convenient to maintain, and ensures that a belt pulley is excellent without damage and particularly suitable for ordinary maintenance and adjustment of oil pumping machine of the oil industry. Th...
一种油田采油井口用的井口套管防盗装置,其特征是包括上下两个卡箍头,与上卡箍头丝扣相连的防盗头,压上卡箍头的压环,与压环丝扣相连与下卡箍头相扣的卡箍,套于卡箍外周的套筒,与防盗头靠防盗机构连接的防盗压帽,与下卡箍头...
The invention discloses a method using biogel carbonization to prepare a double-layer carbon-wrapped manganous oxide electrode material. The composite electrode material is characterized in that the structural particles of the composite electrode material are uniform cubes of about 5 micrometers; the outermost layer of...
一种卷接机组回丝装置,包括集料斗、两个相互垂直的绞龙槽Ⅰ与Ⅱ、绞龙Ⅰ与Ⅱ、落料口Ⅰ与Ⅱ、传动机构Ⅰ与Ⅱ,绞龙槽Ⅰ中设置有绞龙Ⅰ,绞龙槽Ⅰ的一端设有集料斗,绞龙槽Ⅰ的另一端有一落料口Ⅰ;落料口Ⅰ下方且与绞龙槽Ⅰ垂直...
The utility model provides an unmanned on duty water injection sledge piece, wherein the water injection pump be the three -throw ram pump, high pressure export reflux pipeline establishes the balanced stop valve of high pressure, the balanced choke valve of high pressure, the signal is connected with the PLC switch bo...