下开式堰门

下开式堰门

Hydraulic opening weir gate

　　1 功能

　　Function

　　堰门为向下开启，堰门落下后与池底无缝衔接，不影响通道，堰门的开启由液压缸驱动，液位计作为感信号，油缸带位移传感器，能实现堰门门板位置精确定位。

　　Weir door for downwards opening, the weir door after falling with the bottom of the pool seamless connection, do not affect the channel, Weir door opened by the hydraulic cylinder drive, liquid level meter as a sense signal, the oil cylinder with displacement sensor, can realize the position of Weir door panel accurate positioning.

　　2 供货范围

　　Supply Range

　　每台为成套装置，每套装置包括(1)下开式堰门本体(2)密封组件(3)液压站(4)油缸及油管(5)安装附件(6)不单独配电控柜。

　　Each set of devices includes (1) an Open Weir Gate body (2) sealing Assembly (3) hydraulic Station (4) Oil cylinder and tubing (5) Installation Attachment (6) without control cabinet.

　　3 主要技术性能

　　3.1 堰门结构

　　3 Main Technical performance

　　3.1 Weir Gate Structure

　　(1)下开式堰门本体主要由框架、导向槽、橡胶密封件、门板和启闭油缸等主要部件组成。采用启闭油缸液压驱动堰门板向上/向下运动，完成堰门板开启或关闭状态，可以实现对箱涵或管道进行冲洗、水位控制和流量控制等多种功能。

　　(2)下开式堰门开启后对行洪没有阻碍，停电时可以依靠堰门自身重力自动打开。结构紧凑，堰门向下开启不占用上部的安装空间，不影响地面上的景观。

　　(3)下开式堰门的结构件采用结构钢或不锈钢制成，具有很高的耐腐蚀性，重量轻，坚固耐用。

　　(4)堰门框架的两侧为导向槽，两侧导向槽均设有液压油缸，活塞杆连接堰门门板。堰门门板两侧与导向槽滑动配合。液压油缸的位置设计合理，封闭于堰门框架内，保证液压油缸的稳定性的同时，对堰门门板的作用力也较为均匀，进一步保证了堰门门板运动的稳定性。

　　(5)下开式堰门的启闭油缸可配备自动控制系统，对下开式堰门实现无人值守的自动控制，也可以实现远程自动控制。

　　(6)下开式堰门的整体结构紧凑，简单，易于制造，装置可设置于水下，适用于多种环境。适用介质：生活污水、雨水等污染水体。工作温度：0—60℃。

　　(7)下开式堰门在设计水头下充分地密封，在承受设计水头的压力时，渗漏量满足GB/T 14173-2008 《水利水电工程钢闸门制造、安装及验收规范》，即通过任意1m长度的水封范围内漏水量不超过0.1 L/s。

　　(1) The main body of the hydraulic opening weir door is composed of a frame, a guide groove, a rubber seal, a door plate and an opening and closing oil cylinder. The use of headstock cylinder hydraulic drive Weir door up/down movement, completion of the weir door open or closed state, you can achieve the box culvert or pipe flushing, water level control and flow control, and many other functions.

　　(2) The hydraulic opening weir door opened to the line flood without any obstruction, as power failure the weir door can rely on the weir door itself with gravity automatically. The structure is compact, and the weir door is opened to lower the upper mounting space without affecting the landscape on the ground.

　　(3) The structure of the lower open weir door is made of structural steel or stainless steel, with high corrosion resistance, light weight and durable.

　　(4) Weir door frame on both sides of the guide groove, both sides of the guide Groove is equipped with hydraulic cylinder, piston rod connecting weir door doors. The door panel of the weir is matched with the guide groove. The position design of hydraulic cylinder is reasonable, enclosed in the frame of weir door to ensure the stability of hydraulic oil cylinder, the force of the door panel of Weir Gate is also more uniform, and the stability of gate door movement is further ensured.

　　(5) The opening and closing oil cylinder of the lower open weir door can be equipped with automatic control system, which realizes unattended automatic control on the lower open weir door, and can realize remote control.

　　(6) The whole structure of the lower open weir door is compact, simple and easy to manufacture, and the device can be set under water, which is suitable for various environments.

　　Applicable media: Domestic sewage, rainwater and other polluted water. Operating temperature: 0-60 ℃.

　　(7) The lower open weir door is fully sealed under the design head, in the design of the pressure of the head, leakage to meet the GB/T 14173-2008 "hydraulic and hydroelectric engineering steel gate manufacturing, installation and acceptance code", that is, through any 1m length of water seal within the scope of the leakage of not more than 0.1 l/s.

　　3.2 焊接：

　　(1)堰门框架和堰门板采用气体保护焊焊接，焊接材料的物理、化学性能与基体金属的性能相适。堰门承受主要荷载的结构，采用满焊缝，不得采用塞焊连接。焊后消除力，防止变形。

　　(2)手工电弧焊、气体保护焊焊缝的坡口型式和尺寸按GB/T985的规定。

　　(3)焊件牢固可靠，表面打磨光滑，焊缝外观不有裂纹、气孔、弧坑和飞溅物。

　　(4)堰门的焊缝类别分级与焊缝外观以GB/T14173标准为准。

　　3.2 Welding:

　　(1) The weir door frame and weir door are welded by gas shielded welding, and the physical and chemical properties of the welding materials are suitable for the properties of the base metal. The weir Gate bears the main load structure, uses the full weld seam, may not use the plug welds the connection. After welding to eliminate force, prevent deformation.

　　(2) Manual arc welding, gas shielded welding seam groove type and size according to the provisions of gb/t985.

　　(3) The welding piece is firm and reliable, the surface is polished and smooth, and the weld seam has no crack, blowhole, arc pit and splash material.

　　(4) The classification of weld seam and the appearance of weld seam in Weir gate shall prevail with gb/t14173 standard.

　　3.3 电液控制系统

　　(1)液压控制系统的关键电气元器件采用进产品。

　　(2)液压控制系统零部件通用化和标准化。

　　(3)液压系统总成设置压力传感器以监控整个系统的压力。

　　(4) 液压系统能在降雨时停电后能自行打开堰门，在晴天时停电液压系统能自锁，保持堰门处于关闭状态。

　　(5)堰门就地控制装置保证运行可靠，具有较高的可靠性和抗干扰能力，保证在当地特定环境、温度和湿度范围内均能正常工作。

　　(6) 控制系统响速度快，性能可靠，具有强大的网络通讯功能，方便可靠的接口，开放的网络协议。

　　(7)控制系统操作界面设计美观，各元器件布置合理、整齐，操作方便、简单，充分考虑人体结构特征及视觉特征。

　　(8)在控制柜的设计、内部元器件端子布局上，充分考虑维护人员检修接线的方便性。

　　(9)控制系统可通过操作面板上专用的选择开关选择系统的操作方式：就地手动控制或自动控制。控制方式一旦设定，则相互闭锁防止误操作。

　　1)当系统选择手动控制时，所有控制包括启泵、开门、关门及纠偏均为手动控制，PLC及主控级都不参与控制，但仍可以监视系统状态。

　　2)当系统选择自动控制方式时，所有手动控制无效，系统实现完善的自动控制，能完成对堰门的开、关、停的操作及各种保护功能。

　　(10)液压站的电气控制部分均须装有短路保护、过电流保护、失压保护、缺相保护和接地保护。

　　(11)用于控制堰门系统的PLC采用进口的高性能，技术先进的可编程控制器。具有顺控、调节、过程输入/输出、数据处理和外部通信功能。

　　(12)控制柜为钢支架金属外壳封闭式结构，能独立支撑并能满足当地特定环境的密封。所有的门都带把手，能锁死，并带限位装置。

　　(13)柜内主回路带电部分与接地部分隔离，柜体内保证充分通风，并能防盐雾腐蚀、防小动物侵入。柜内设有接地，端子排位置便于接线，设置塑料走线槽，槽盖可以分段拆卸。

　　(14)屏内设置一套防潮电加热器，并带有自动温控保护装置，容量为100W～200W。

　　(15)控制柜的防护等级不低于IP54。

　　(16)液压缸内装有行程检测传感器。该行程检测传感器内置于油缸内，动作准确、可靠，抗干扰能力强，传感器防护等级不低于IP68。

　　(17)PLC装置、中间继电器、开关、按钮、指示灯等电气元件推荐采用知名品牌。

　　(18)以太网连接是堰门实现自动控制和通信的重要部分，设备的控制通过数据的传送和接收实现。通过以太网和服务器，可以把 PLC 控制器的数据传送到电脑上，实现操作的可视化，以太网的断开对堰门的控制没有任何影响。

　　3.3 Electro-hydraulic control system

　　(1) The key electrical components of the hydraulic control system are used in the products.

　　(2) The hydraulic control system is made of universal and standardized parts.

　　(3) Hydraulic system assembly set pressure sensor to monitor the pressure of the whole system.

　　(4) The hydraulic system can open the weir door by itself after the power outage in the rain, and the hydraulic system can be self-locking and keep the weir door closed during the sunny day.

　　(5) Weir Gate on-site control device to ensure reliable operation, with high reliability and anti-interference ability, to ensure that the local specific environment, temperature and humidity range can work properly.

　　(6) The control system has fast speed, reliable performance, powerful network communication function, convenient and reliable interface and open network protocol.

　　(7) The control system operation interface design is beautiful, each component arrangement is reasonable, neat, the operation is convenient, simple, fully considers the human body structure characteristic and the visual characteristic.

　　(8) in the control cabinet design, internal components terminal layout, fully consider the maintenance of the convenience of personnel maintenance wiring.

　　(9) The control system can select the operation mode of the system through the special selection switch on the Operation panel: in-situ manual or automatic control. Once the control mode is set, the interlock prevents the misoperation.

　　1 when the system chooses manual control, all controls include the starting pump, the door opening, the closing and the rectification are manual control, the PLC and the master control level are not involved in the control, but still can monitor the system state.

　　2 when the system chooses the automatic control mode, all manual controls are invalid, the system realizes the perfect automatic control, can complete the opening, closing and stopping operation of the weir door and various protection functions.

　　(10) The electric control part of the hydraulic station must be equipped with short-circuit protection, overcurrent protection, voltage loss protection, short phase protection and earthing protection.

　　(11) PLC used to control the Weir Gate system imported high-performance, technologically advanced programmable controller. It has the functions of CIS control, regulation, process input/output, data processing and external communication.

　　(12) The control cabinet is a steel bracket metal enclosure closed structure, can support independently and can satisfy the local specific environment seal. All the doors are brought with a handle, can lock dead, and with the limit device.

　　(13) The main circuit inside the cabinet is isolated from the grounding part, and the cabinet body ensures adequate ventilation and can prevent salt spray corrosion and small animal intrusion. The cabinet is provided with grounding, terminal row position convenient wiring, plastic wire groove, slot cover can be segmented disassembly.

　　(14) Set up a set of moisture-proof electric heater, and with automatic temperature control protection device, the capacity of 100w~200w.

　　(15) The protection level of the control cabinet is not less than IP54.

　　(16) The hydraulic cylinder is equipped with a travel detection sensor. The trip detection sensor is placed in the oil cylinder, the action is accurate, reliable, anti-interference ability is strong, the sensor protection level is not less than IP68.

　　(17) PLC devices, intermediate relays, switches, buttons, indicators and other electrical components recommend the use of well-known brands.

　　(18) Ethernet connection is an important part of automatic control and communication of Weir Gate, and the control of equipment is realized through data transmission and reception. Through Ethernet and server, the PLC controller data can be transferred to the computer, the visualization of operation, the disconnection of Ethernet has no effect on the control of Weir Gate.

　　4下开式堰门的主要部件材料

　　Main component material of the lower open weir door