新VT 型手拉葫芦是在常规VT型基础上的升级产品，通过传动系统、制动系统及关键受力部件的结构优化，实现手拉更轻、运行更稳、安 全性更高，适用于高频率起重作业。
核心优势:
1、全轴承化结构，手拉更轻(≈-30%):起重链轮及左右墙板均采用轴承设计
2、专 利止退结构，更安 全:轴承链轮配合止退垫圈，防止重物意外下滑
3、轴承支撑长轴，运行更稳定：高 强度合金钢长轴，受力更均匀
4、轴承传动效率更高：升级片齿轮组件，齿数多、速比大
5、制动更可靠：花键连接制动系统，制动稳定顺畅
6、加强型安 全吊钩：大开口设计，强度更高
The New VT Manual Chain Hoist is an upgraded version of the conventional VT type,featuring optimized transmission, braking system and load-bearing components for lighter operation, smoother performance and enhanced safety, ideal for frequent lifting applications.
Key Advantages
1. Full bearing-supported design on load chain wheel and side plates for lighter operation (≈-30%)
2. Patented anti-reverse washer with bearing-supported chain wheel prevents sudden load drop
3. Bearing-supported main shaft made of high-strength alloy steel ensures stable performance
4.Higher transmission efficiency with upgraded gear plate assembly
5.Reliable braking system with spline connection
6. Heavy-duty safety hook with larger opening and higher strength
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