下開式堰門

下開式堰門

Hydraulic opening weir gate

　　1 功能

　　Function

　　堰門為向下開啟，堰門落下后與池底無縫銜接，不影響通道，堰門的開啟由液壓缸驅動，液位計作為感信號，油缸帶位移傳感器，能實現堰門門板位置精確定位。

　　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 供貨范圍

　　Supply Range

　　每臺為成套裝置，每套裝置包括(1)下開式堰門本體(2)密封組件(3)液壓站(4)油缸及油管(5)安裝附件(6)不單獨配電控柜。

　　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 主要技術性能

　　3.1 堰門結構

　　3 Main Technical performance

　　3.1 Weir Gate Structure

　　(1)下開式堰門本體主要由框架、導向槽、橡膠密封件、門板和啟閉油缸等主要部件組成。采用啟閉油缸液壓驅動堰門板向上/向下運動，完成堰門板開啟或關閉狀態，可以實現對箱涵或管道進行沖洗、水位控制和流量控制等多種功能。

　　(2)下開式堰門開啟后對行洪沒有阻礙，停電時可以依靠堰門自身重力自動打開。結構緊湊，堰門向下開啟不占用上部的安裝空間，不影響地面上的景觀。

　　(3)下開式堰門的結構件采用結構鋼或不銹鋼制成，具有很高的耐腐蝕性，重量輕，堅固耐用。

　　(4)堰門框架的兩側為導向槽，兩側導向槽均設有液壓油缸，活塞桿連接堰門門板。堰門門板兩側與導向槽滑動配合。液壓油缸的位置設計合理，封閉于堰門框架內，保證液壓油缸的穩定性的同時，對堰門門板的作用力也較為均勻，進一步保證了堰門門板運動的穩定性。

　　(5)下開式堰門的啟閉油缸可配備自動控制系統，對下開式堰門實現無人值守的自動控制，也可以實現遠程自動控制。

　　(6)下開式堰門的整體結構緊湊，簡單，易于制造，裝置可設置于水下，適用于多種環境。適用介質：生活污水、雨水等污染水體。工作溫度：0—60℃。

　　(7)下開式堰門在設計水頭下充分地密封，在承受設計水頭的壓力時，滲漏量滿足GB/T 14173-2008 《水利水電工程鋼閘門制造、安裝及驗收規范》，即通過任意1m長度的水封范圍內漏水量不超過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)堰門框架和堰門板采用氣體保護焊焊接，焊接材料的物理、化學性能與基體金屬的性能相適。堰門承受主要荷載的結構，采用滿焊縫，不得采用塞焊連接。焊后消除力，防止變形。

　　(2)手工電弧焊、氣體保護焊焊縫的坡口型式和尺寸按GB/T985的規定。

　　(3)焊件牢固可靠，表面打磨光滑，焊縫外觀不有裂紋、氣孔、弧坑和飛濺物。

　　(4)堰門的焊縫類別分級與焊縫外觀以GB/T14173標準為準。

　　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 電液控制系統

　　(1)液壓控制系統的關鍵電氣元器件采用進產品。

　　(2)液壓控制系統零部件通用化和標準化。

　　(3)液壓系統總成設置壓力傳感器以監控整個系統的壓力。

　　(4) 液壓系統能在降雨時停電后能自行打開堰門，在晴天時停電液壓系統能自鎖，保持堰門處于關閉狀態。

　　(5)堰門就地控制裝置保證運行可靠，具有較高的可靠性和抗干擾能力，保證在當地特定環境、溫度和濕度范圍內均能正常工作。

　　(6) 控制系統響速度快，性能可靠，具有強大的網絡通訊功能，方便可靠的接口，開放的網絡協議。

　　(7)控制系統操作界面設計美觀，各元器件布置合理、整齊，操作方便、簡單，充分考慮人體結構特征及視覺特征。

　　(8)在控制柜的設計、內部元器件端子布局上，充分考慮維護人員檢修接線的方便性。

　　(9)控制系統可通過操作面板上專用的選擇開關選擇系統的操作方式：就地手動控制或自動控制?？刂品绞揭坏┰O定，則相互閉鎖防止誤操作。

　　1)當系統選擇手動控制時，所有控制包括啟泵、開門、關門及糾偏均為手動控制，PLC及主控級都不參與控制，但仍可以監視系統狀態。

　　2)當系統選擇自動控制方式時，所有手動控制無效，系統實現完善的自動控制，能完成對堰門的開、關、停的操作及各種保護功能。

　　(10)液壓站的電氣控制部分均須裝有短路保護、過電流保護、失壓保護、缺相保護和接地保護。

　　(11)用于控制堰門系統的PLC采用進口的高性能，技術先進的可編程控制器。具有順控、調節、過程輸入/輸出、數據處理和外部通信功能。

　　(12)控制柜為鋼支架金屬外殼封閉式結構，能獨立支撐并能滿足當地特定環境的密封。所有的門都帶把手，能鎖死，并帶限位裝置。

　　(13)柜內主回路帶電部分與接地部分隔離，柜體內保證充分通風，并能防鹽霧腐蝕、防小動物侵入。柜內設有接地，端子排位置便于接線，設置塑料走線槽，槽蓋可以分段拆卸。

　　(14)屏內設置一套防潮電加熱器，并帶有自動溫控保護裝置，容量為100W～200W。

　　(15)控制柜的防護等級不低于IP54。

　　(16)液壓缸內裝有行程檢測傳感器。該行程檢測傳感器內置于油缸內，動作準確、可靠，抗干擾能力強，傳感器防護等級不低于IP68。

　　(17)PLC裝置、中間繼電器、開關、按鈕、指示燈等電氣元件推薦采用知名品牌。

　　(18)以太網連接是堰門實現自動控制和通信的重要部分，設備的控制通過數據的傳送和接收實現。通過以太網和服務器，可以把 PLC 控制器的數據傳送到電腦上，實現操作的可視化，以太網的斷開對堰門的控制沒有任何影響。

　　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下開式堰門的主要部件材料

　　Main component material of the lower open weir door