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2017年5月4日星期四

Circuit Breaker of Cranes

Circuit Breaker of Cranes

1. Application scope: Cut off fault circuit.
2. Two types: high voltage circuit breaker and low voltage circuit breaker. The demarcation line is not so clear, and which beyond 3KV is usually called high voltage circuit breaker.
3. Its function is to protect power circuit and electric motor.
4. It’s usually constituted by contact system, arc extinguishing system, operating mechanism, the release and the shell.
5. Low voltage circuit breaker is also called air switch, and used to connect or cut off the load circuit. It also could be used to control the electric motor which is not frequently start. 
Email: kay@craneweihua.com

Circuit Breaker of Cranes
Circuit Breaker of Cranes

Wire Rope of Electric hoist or Winch

Wire Rope of Electric hoist or Winch
1. Application scope: Lifting, towing, straining and load bearing
2.  It’s constituted by steel wire, rope core and grease.
3.  High strength, light dead weight, reliable and not easy to break.
Wire-Rope
Wire Rope 
Email: kay@craneweihua.com

2017年5月2日星期二

Travel Switch of Cranes

1. Application scope: Interlock protection
2. It’s an usual master switch. 
3.  Its functional principle likes buttons: Switching circuit basing on the routing position of traveling parts.
4. It could be widely used in many area, like various machines and cranes.
Email: kay@craneweihua.com
Travel-Switch
Travel Switch

Polyurethane Buffer on Cranes

Polyurethane Buffer

1. Application scope: Crane anti-collision
2. Good hardness, good strength, quick recovery, oil resistance, weak acid and alkali resistance, and anti-corrosion.
3. Light dead weight, simple structure, low manufacturing cost and convenient to install and maintain.
4. Basing on its connection mode, polyurethane buffer could be divided into three series: stud type (JHQ-A), platen type (JHQ-B) and flange-plate type (JHQ-C). There are 14 to 21 specifications for each series, and each specification is corresponding to one buffer capacity.
Polyurethane-Buffer

Polyurethane Buffer

http://www.weihuacraneglobal.com/product/Polyurethane-Buffer.html
Email: kay@craneweihua.com