HFKLT2系列拉绳开关产品介绍（中英双语）
产品概述
HFKLT2系列拉绳开关是一款专为工业设备安全控制设计的机械式触发装置，适用于输送机、生产线、重型机械等多种场景的紧急停机或信号触发需求。该产品采用模块化结构设计，支持多方向安装与灵活布线，可适配不同设备的空间布局要求。外壳选用高强度工程塑料与金属复合材质，在保证结构强度的同时减轻整体重量，便于现场安装维护。
核心设计特点
本系列产品创新性地采用双触点冗余设计，有效提升信号传输的稳定性。拉绳机构配置缓冲复位系统，动作行程可达15-25mm（根据型号不同），确保触发动作清晰明确。防护结构经过特殊处理，具备IP65防护等级特性，可应对粉尘环境和水雾喷溅工况。工作温度范围覆盖-30℃至+80℃，适应多种气候条件下的连续作业需求。
应用优势
- 响应灵敏：三向触发结构确保任意方向拉力均可瞬时响应，触发力度可根据需求在50-200N范围内调节
- 耐久可靠：关键部件采用不锈钢弹簧与陶瓷触点，经实验室模拟测试可达50万次以上正常运作
- 安装便捷：提供壁挂式、法兰式、嵌入式等多种安装支架，支持水平/垂直多维固定方式
- 维护简便：模块化组件设计支持快速拆装，无需专业工具即可完成日常维护
- 适配性强：输出接口兼容常开/常闭两种模式，可匹配主流PLC控制系统
典型应用领域
• 矿山输送带紧急制动系统
• 自动化仓储物流线安全防护
• 食品加工机械应急停机装置
• 港口装卸设备安全联锁控制
• 化工生产线安全警示系统
本系列产品提供基础型、防爆型、耐腐蚀型等6种衍生型号，支持行程距离、输出信号形式等参数定制，可根据具体工况需求选配对应解决方案。
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.
