Arc steel gate is often used in water diversion hub channel, control gate and sluice. The arc steel gate has the characteristics of large size of closed orifice, less hoist force and large water pressure.

　　Structural principle: arc shaped gate is usually used for arc shaped gate, which is connected with support winch with two arms, and is lifted or lowered by lifting wire rope of winch hoist. The rubber is arranged around the arc steel gate panel, and it is sealed and sealed by the self compression rubber of the gate.

　　The radial gate is divided into open top type and down hole type according to the depth of water level above the gate top. The water level of the reservoir does not exceed the gate top, which is called open top radial gate (also known as the surface hole arc gate). The water level of reservoir is higher than the gate top, which is called the submerged arc gate (also known as deep hole arc gate or high pressure arc gate).

　　According to the form of force transmission arm, it can be divided into inclined arm type and straight arm type. The former is mostly used for the orifice with large width and height. The latter is mostly used for the orifice with small width and height.

　　According to the form of supporting hinge shaft, it can be divided into cylindrical hinge, conical hinge, spherical hinge and double cylinder hinged radial gate.

　　According to the gate leaf structure, the main longitudinal beam type and main beam type arc gate are divided (the reverse arc gate is called by the back water pressure).

　　The gate body structure body of the arc gate is composed of four parts: gate leaf, support arm, support hinge and water stop device. Gate leaf is an arc compression surface of approximate plane system, which is composed of curved panel and beam lattice system of primary and secondary beams. The gate leaf beam lattice is arranged in two forms: the main beam system and the main longitudinal beam system. The main beam system is mostly used for open top or radial gate with large width and height; the main longitudinal beam is commonly used for the submerged radial gate with low height and high head. The arm of the radial gate supports the gate leaf and transmits the radial force on the hinge shaft. The extra narrow radial gate also has a support arm frame, called the single arm radial gate. The branch arm is divided into straight arm and inclined arm, the latter is mostly used for open top radial gate with large orifice width. Each side of the arm is composed of two pressure bearing members (columns). For the high, three pressure bearing members are also used on each side. The supporting hinge is composed of a hinge, a fixed shaft and a fixed hinge base connected to the support arm. Hinge seat is firmly connected with embedded components on the building and the force is transmitted on the foundation. The supporting hinge shall be flexible to rotate, and its installation position shall be higher than the downstream water surface. The supporting hinge is in the form of cylindrical hinge and conical hinge. The cylindrical hinge is simple in structure, convenient in manufacture and installation, and widely used in application. The cone hinge is mostly used on large span (wide) open top radial gate.

　　The embedded components of arc gate include side water stop, bottom sill water stop, top water stop device and bearing member of support hinge seat. Generally, they are embedded in the surface of concrete related parts, which plays a tight and bearing role. The general rubber is used for the water stop device of arc gate with small and medium-sized and small water pressure, and special sealing rubber is used for submerged high pressure radial gate. The bearing members of the hinged support seat of the open top radial gate are generally embedded in the cantilever bracket of the pier; some of the bearing beams of the radial gate support bracket are directly embedded in the mass concrete, and some ends are inserted into the side wall for anchoring.

　　Arc gate opening and closing equipment: the opening and closing force of arc gate is small, the movement track of lifting point is arc line, and two lifting points are used for arc doors with open top type or large width and height. The hoisting equipment is arranged by one door and one machine. According to the structure of the building, the opening and closing forms of arc gate are usually adopted: the lifting point is set in front of the door leaf panel, and the steel wire rope hoist or plate chain hoist is used; the lifting point is set on the beam system or support arm behind the door leaf panel, and the steel wire rope hoist and hydraulic hoist can be used. The cylinder block of the hydraulic hoist of radial gate is generally swing type, so as to achieve compact arrangement and reduce the weight of equipment.

　　Rongcheng water conservancy steel gate series is roughly divided into: steel gate, rolling steel gate, sliding steel gate, stoplog gate, arc gate, mechanical gate integrated steel gate, plane gate, plane fixed wheel steel gate, steel composite gate, hot spray zinc steel gate, stainless steel gate, flap gate and other steel gates. It can be customized to produce various types of steel gates, Different customers need different places, Rongcheng water conservancy machinery factory is your goods than three good choice, product page price is not the equipment, is system made, customer equipment size as the standard.