HFKLT2系列拉繩開(kāi)關(guān)產(chǎn)品介紹（中英雙語(yǔ)）
產(chǎn)品概述
HFKLT2系列拉繩開(kāi)關(guān)是一款專為工業(yè)設(shè)備安全控制設(shè)計(jì)的機(jī)械式觸發(fā)裝置，適用于輸送機(jī)、生產(chǎn)線、重型機(jī)械等多種場(chǎng)景的緊急停機(jī)或信號(hào)觸發(fā)需求。該產(chǎn)品采用模塊化結(jié)構(gòu)設(shè)計(jì)，支持多方向安裝與靈活布線，可適配不同設(shè)備的空間布局要求。外殼選用高強(qiáng)度工程塑料與金屬?gòu)?fù)合材質(zhì)，在保證結(jié)構(gòu)強(qiáng)度的同時(shí)減輕整體重量，便于現(xiàn)場(chǎng)安裝維護(hù)。
核心設(shè)計(jì)特點(diǎn)
本系列產(chǎn)品創(chuàng)新性地采用雙觸點(diǎn)冗余設(shè)計(jì)，有效提升信號(hào)傳輸?shù)姆�(wěn)定性。拉繩機(jī)構(gòu)配置緩沖復(fù)位系統(tǒng)，動(dòng)作行程可達(dá)15-25mm（根據(jù)型號(hào)不同），確保觸發(fā)動(dòng)作清晰明確。防護(hù)結(jié)構(gòu)經(jīng)過(guò)特殊處理，具備IP65防護(hù)等級(jí)特性，可應(yīng)對(duì)粉塵環(huán)境和水霧噴濺工況。工作溫度范圍覆蓋-30℃至+80℃，適應(yīng)多種氣候條件下的連續(xù)作業(yè)需求。
應(yīng)用優(yōu)勢(shì)
- 響應(yīng)靈敏：三向觸發(fā)結(jié)構(gòu)確保任意方向拉力均可瞬時(shí)響應(yīng)，觸發(fā)力度可根據(jù)需求在50-200N范圍內(nèi)調(diào)節(jié)
- 耐久可靠：關(guān)鍵部件采用不銹鋼彈簧與陶瓷觸點(diǎn)，經(jīng)實(shí)驗(yàn)室模擬測(cè)試可達(dá)50萬(wàn)次以上正常運(yùn)作
- 安裝便捷：提供壁掛式、法蘭式、嵌入式等多種安裝支架，支持水平/垂直多維固定方式
- 維護(hù)簡(jiǎn)便：模塊化組件設(shè)計(jì)支持快速拆裝，無(wú)需專業(yè)工具即可完成日常維護(hù)
- 適配性強(qiáng)：輸出接口兼容常開(kāi)/常閉兩種模式，可匹配主流PLC控制系統(tǒng)
典型應(yīng)用領(lǐng)域
• 礦山輸送帶緊急制動(dòng)系統(tǒng)
• 自動(dòng)化倉(cāng)儲(chǔ)物流線安全防護(hù)
• 食品加工機(jī)械應(yīng)急停機(jī)裝置
• 港口裝卸設(shè)備安全聯(lián)鎖控制
• 化工生產(chǎn)線安全警示系統(tǒng)
本系列產(chǎn)品提供基礎(chǔ)型、防爆型、耐腐蝕型等6種衍生型號(hào)，支持行程距離、輸出信號(hào)形式等參數(shù)定制，可根據(jù)具體工況需求選配對(duì)應(yīng)解決方案。
HFKLT2 Series Pull Cord Switch Product Introduction
Product Overview
The HFKLT2 series pull cord switch is a mechanical triggering device specifically designed for industrial equipment safety control, suitable for emergency stop or signal triggering requirements in conveyors, production lines, heavy machinery and various scenarios. Featuring modular structure design, it supports multi-directional installation and flexible wiring to adapt to spatial layout requirements of different equipment. The housing combines high-strength engineering plastics with metal composite materials, ensuring structural integrity while reducing overall weight for convenient field installation and maintenance.
Key Design Features
This series incorporates innovative dual-contact redundant design, significantly enhancing signal transmission stability. The pull cord mechanism integrates buffer reset system with 15-25mm actuation stroke (varies by model), ensuring precise trigger action. Specially treated protective structure demonstrates IP65-rated performance, suitable for dusty environments and water spray conditions. Operating temperature range covers -30℃ to +80℃, accommodating continuous operation in various climatic environments.
Performance Advantages
- Responsive Activation: Tri-directional trigger structure ensures instant response to pulling force from any direction, with adjustable trigger tension (50-200N)
- Durable Construction: Critical components utilize stainless steel springs and ceramic contacts, laboratory tested for over 500,000 operational cycles
- Flexible Installation: Provides multiple mounting options including wall bracket, flange mount and embedded styles, supporting horizontal/vertical orientations
- Easy Maintenance: Modular component design enables quick disassembly without specialized tools
- Broad Compatibility: Output interfaces support both NO/NC modes, compatible with mainstream PLC control systems
Typical Applications
• Emergency braking systems for mining conveyors
• Safety protection in automated warehousing lines
• Emergency stop devices for food processing machinery
• Safety interlock controls in port handling equipment
• Warning systems for chemical production lines
The series offers six variant models including standard, explosion-proof and corrosion-resistant types, supporting customization of stroke distance and output signal formats. Tailored solutions are available according to specific operational requirements.
