拉繩開關(guān)DLK2-15B-H 供應(yīng)
產(chǎn)品概述
DLK2-15B-H雙向拉繩開關(guān)是一種用于帶式輸送機及其他散料輸送設(shè)備的緊急停機保護裝置,俗稱“緊急停機開關(guān)”。該產(chǎn)品通過鋼絲繩聯(lián)動機制實現(xiàn)快速停機功能,可在事故發(fā)生時通過沿線任意位置的操作觸發(fā)信號,有效保護人員安全和設(shè)備完整性。其設(shè)計兼顧手動復(fù)位與自動復(fù)位兩種模式,適用于不同工況需求。外殼采用鋁合金鑄造,兼具高強度與輕量化特性,表面防腐處理確保在惡劣環(huán)境中長期穩(wěn)定工作。135
功能與特點
該拉繩開關(guān)的核心功能是通過機械凸輪結(jié)構(gòu)驅(qū)動內(nèi)部元件動作,觸發(fā)停機信號。產(chǎn)品采用雙向操作設(shè)計,兩側(cè)均可安裝鋼絲繩,操作靈活;防護等級達到IP67,防塵防水性能優(yōu)異。手動復(fù)位型具備自鎖裝置,需人工干預(yù)恢復(fù)初始狀態(tài),避免誤啟動;自動復(fù)位型則能快速歸位,適合頻繁操作場景。安裝時可通過緊線器調(diào)整鋼絲繩張力,配合托環(huán)支撐減少垂度影響,確保響應(yīng)靈敏度。適用范圍涵蓋皮帶輸送機、斗式提升機、起重機等多種工業(yè)設(shè)備。31220
技術(shù)參數(shù)與安裝說明
DLK2-15B-H適應(yīng)環(huán)境溫度為-40℃至60℃,相對濕度≤85%,鋼絲繩直徑建議為Φ4mm,開關(guān)間距建議30-50米(爬坡段需縮短)。安裝時需固定在機架檢修通道側(cè),確保操作便利性。接線采用四芯橡套電纜,常開與常閉觸點可靈活接入控制系統(tǒng)。產(chǎn)品結(jié)構(gòu)緊湊,凸輪驅(qū)動機構(gòu)經(jīng)優(yōu)化設(shè)計,動作可靠且使用壽命長。此外,鋁合金外殼與內(nèi)部密封設(shè)計有效抵御震動、腐蝕及油污干擾。51321
應(yīng)用場景
該產(chǎn)品廣泛應(yīng)用于冶金、電力、水泥、港口等行業(yè)的散料輸送系統(tǒng),如常規(guī)皮帶機、梭式輸送機及堆取料設(shè)備等。在緊急情況下,拉動鋼絲繩可即時切斷運行電路,防止事故擴大。其設(shè)計符合工業(yè)安全需求,尤其適合長距離輸送設(shè)備的分布式保護。用戶可根據(jù)實際需求選擇覆塑鋼絲繩、安裝支架等配套附件,提升系統(tǒng)整體可靠性。31524
DLK2-15B-H Bidirectional Rope Switch (English Introduction)
Product Overview
The DLK2-15B-H bidirectional rope switch, also known as an "emergency stop switch," is a critical safety device for belt conveyors and bulk material handling systems. It enables immediate equipment shutdown by activating a pull-wire mechanism at any point along the conveyor line. Constructed with aluminum alloy housing, the switch offers durability and lightweight performance, complemented by corrosion-resistant finishes for harsh environments. Its dual reset modes (manual or automatic) cater to diverse operational requirements.1517
Key Features
Equipped with a robust cam-driven mechanism, the switch ensures reliable signal triggering upon rope actuation. The IP67-rated enclosure provides dustproof and waterproof protection, while bidirectional operation allows flexible installation. Manual reset models feature a locking function to prevent unintended restarts, whereas auto-reset variants streamline frequent use. Installation guidelines recommend 4mm diameter steel ropes with tension adjusters and support brackets to minimize sagging interference. Compatible with conveyors, elevators, and cranes, it serves as a versatile safety solution.31221
Technical Specifications
Operating within -40°C to 60°C and ≤85% humidity, the switch spans 30-50m intervals (shorter for inclined sections). Mounting on accessible frame sides ensures swift emergency access. Wiring utilizes a 4-core rubber cable with NO/NC contacts for seamless control integration. The optimized cam structure enhances longevity, while sealed components resist vibration, chemicals, and moisture.51320
Applications
Ideal for mining, cement, and logistics sectors, this switch safeguards long-distance conveyors, stackers, and similar machinery. Instant circuit interruption mitigates risks during emergencies, aligning with industrial safety protocols. Optional accessories like coated cables and mounting kits further enhance system stability.11524
拉繩開關(guān)
JKPT1,JKPT2,JLK2-S,JLK3-S,JSB-KPP,JY3/PK-12-30,JJLK1-AW,JSB/KLS-1,JSB/KLS-2,JSB/KPP-12-30,JSB/KPP12-30,LP2-2,LL-A,LX-52,LXA-01GKH-T1-A,LXA-01GKH-T2-A,LXA-02GKH-T1-F,LXA-02GKH-T2-F,LXA-02GKH-T2-A,LS-I,LS-II,L18-1A,PK-10-45,PLS,SPS-2D,SLSFT2系列,XDFL2-ZS,XLLS-D,XTD-LS,XTD-PK,XTD-SH,XTD-SJ,XDT-SL,XTD-ZL,YLXA-10A,YH25-1,YLSD-2,ZS71,ZS73,ZS75,HFKLT2系列,GYLS-I,GRB-19150,GRB-17088,GRB-19670,F(xiàn)KLT2系列,DLK2-15AD-H,DLK2-15B-H,DLK2-15A ,,BLK-2,BLK-1,
拉繩開關(guān)(Pull Cord Switch)俗稱“緊急停機開關(guān)”。作用于帶式輸送現(xiàn)場需要停機時,通過開關(guān)動作使輸送機停機。
適用范圍:
拉繩開關(guān)廣泛用于冶金、煤炭、水泥、采礦、電力、港埠、化工等域的各種專門從事散料輸送的輸送設(shè)備。
簡介
拉繩開關(guān)分為手動復(fù)位和自動復(fù)位兩種,需要達到國家規(guī)定IP等級。
自動復(fù)位:動作后后能自動回到初始位置,可能會造成誤差啟動。
手動復(fù)位:動作后有自鎖裝置能保持在操作位置上,需要手動操作復(fù)位手柄可使其返回初始位置。
拉繩開關(guān)是帶式輸送機必備的安全保護裝置,防止事故的擴大而帶來重大損失。由于安裝方便,開關(guān)轉(zhuǎn)換可靠,在帶式運輸現(xiàn)場得到廣泛的應(yīng)用。
結(jié)構(gòu)和基本原理
拉繩開關(guān)由拉桿、復(fù)位柄、凸輪、鎖槽及微動開關(guān)等組成。
拉繩開關(guān)安裝于皮帶輸送機的兩側(cè)的機架上,用鋼絲繩沿著輸送機兩側(cè)把開關(guān)連接起來。當(dāng)輸送帶設(shè)備發(fā)生緊急事故時,在現(xiàn)場沿線任意處拉動鋼絲繩,鋼絲繩牽動驅(qū)動臂旋轉(zhuǎn),通過傳動軸帶動扭力彈簧使精密凸輪發(fā)生位移,驅(qū)動微動開關(guān)切斷控制線路,使得輸送機停止運行。
安裝和調(diào)整
拉繩開關(guān)應(yīng)安裝在輸送機兩邊具有檢修通道的地方,安裝位置應(yīng)確保檢修人員在緊急情況下操作方便。
1、將拉繩開關(guān)固定在機架上。
2、一側(cè)的兩臺開關(guān)之間距離為50m左右,采用直徑為Φ4的鋼絲繩連接,松緊應(yīng)適度。
3、為減小鋼絲繩自重對開關(guān)啟動的影響,每隔3m在機架上裝一個托環(huán),以支撐鋼絲繩。
4、鋼絲繩的另一端系在拉簧上(用繩扣固定),在不影響正常使用下用緊線器將兩側(cè)拉繩張緊,并確保兩側(cè)張力均衡。
(注:對于爬坡段輸送機機.應(yīng)盡量縮短開關(guān)間距及拉繩長度。)
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