弧门启闭机介绍(国外英文资料).docVIP

弧门启闭机介绍(国外英文资料) .txt, if one day you want to cry, call me, I cant promise to make you laugh, but I can cry with you. The basic smile is strong. Daijiu mask, a skin is blocking the water gate is part of the arc-shaped surface of cylinder. The supporting hinge of the support arm is positioned at the center of the circle, and when the gate is opened and closed, the gate rotates around the supporting hinge. The arc-shaped gate is composed of three parts: the revolving door body, the buried component and the headstock device. The arc gate has no gate slot, less opening and closing force and good hydraulic condition. It is widely used as a gate for various types of waterways. Classification: according to the depth above the gate, the water depth is divided into exposed and submerged type. The water level of the reservoir is no more than the top of the gate. It is called an open top arc gate (also called a curved gate). The reservoir water level is higher than the gate top. It is called submerged arc gate (also called deep hole arc gate or high pressure arc gate) (Figure 1). According to the force transmission arm into the form of inclined arm type and straight arm type. The former is used for wide, high and relatively large orifice. The latter is used for wide, high and relatively small orifices. According to the form of the hinged shaft, they are divided into cylindrical hinge, conical hinge, spherical hinge and double cylindrical hinged arc gate. According to the gate leaf structure, the main beam type and the main beam type arc gate and so on (back pressure called reverse arc gate). The structure of the arc gate is composed of four parts, namely, the portal leaf, the supporting arm, the supporting hinge and the water stopping device. The portal blade is an arc compression surface of approximately flat system, consisting of an arc faceplate and a grillage system of primary and secondary beams. The portal girder is furnished with two forms of the main beam system and th