电缆桥架品种的选择：

Selection of cable tray type:

1、需屏蔽电气干扰的电缆网路或有防护外部（如：有腐蚀液休，易燃粉尘等环境）影响的要求时，应选用（FB）类槽式复合型防腐屏蔽电缆桥架（带盖）。

1. (FB) trough type composite anti-corrosion shielded cable tray (with cover) shall be selected when the cable network that needs to shield electrical interference or there are requirements for protection against external influences (such as corrosive liquid, flammable dust, etc.).

2、强腐蚀性环境应采用（F）类复合环氧树脂防腐阻燃型电缆桥架。托臂、支架也要选用同样材料，提高桥架及附件的使用寿命，电缆桥架。在容易积灰和其它需遮盖的环境或户外场所宜加盖板。

2. Class (f) composite epoxy resin anti-corrosion and flame-retardant cable tray shall be used in highly corrosive environment. The same materials shall be used for the bracket and bracket to improve the service life of the cable tray and accessories. Cover plate should be added in the environment or outdoor places where dust is easy to accumulate and other places need to be covered.

3、除上述情况外，山东电缆桥架中可根据现场还环境及技术要求选用托盘式、槽式、梯级式、玻璃防腐阻燃电缆桥架或钢质普通型桥架。在容易积灰和其它需遮盖的环境或户外场所宜加盖板。

3. In addition to the above conditions, tray type, trough type, step type, glass corrosion-resistant and flame-retardant cable tray or steel ordinary cable tray can be selected for Shandong cable tray according to the site environment and technical requirements. Cover plate should be added in the environment or outdoor places where dust is easy to accumulate and other places need to be covered.

4、在公共通道或户外跨越道路段，底层梯级的底部宜加垫板或在该段使用托盘。大跨距跨越公共通道时，可根据用户要求提高桥架的载荷能力或选用行架。

4. In the public passage or outdoor crossing road section, the bottom of the bottom step should be added with a base plate or a pallet in this section. When a long span crosses a public passage, the load capacity of the bridge can be improved or the traveling frame can be selected according to the user's requirements.

5、大跨距（>3m）要选用复合型桥架（FB）。

5. Composite bridge (FB) shall be selected for large span (>3m).

6、户外要选用复合环氧树指桥架（F）。

6. Composite epoxy tree finger bridge (f) shall be used outdoors.

电缆桥架各种弯头型号介绍：

Introduction to various elbow models of cable tray:

1、桥架弯头通常分为三种：水平弯、垂直弯、”之”字弯，分为两个口，两个连接口尺寸都是相同宽、高的。型号分为：槽式弯头、托盘式弯头、梯式弯头。

1. Bridge elbows are usually divided into three types: horizontal bend, vertical bend and zigzag bend, which are divided into two openings. The two connecting openings are of the same width and height. Models are divided into: groove elbow, tray elbow and ladder elbow.

2、桥架三通分为3种：水平三通、垂直三通、异径三通。型号分为：槽式三通、托盘式三通、梯式三通。

2. There are three types of bridge tees: horizontal tees, vertical tees and reducing tees. Models are divided into: trough tee, tray tee and ladder tee.

3、桥架四通分为2种：水平四通、垂直四通。型号分为：槽式四通、托盘式四通、梯式四通。

3. There are two types of bridge cross: horizontal cross and vertical cross. Models are divided into: groove type cross, tray type cross and ladder type cross.

4、 山东电缆桥架的异径接头型号只有一种：槽式异径接头。当桥架要穿过墙或柜体时，洞口没那么大，穿不过去的时候，就可以用异径接头进行连接，同时控制好线的大小度。

4. There is only one type of reducer for Shandong cable tray: trough reducer. When the cable tray needs to pass through the wall or cabinet, the hole is not so large. When it can not pass through, it can be connected with a reducing joint, and the size of the wire can be well controlled.

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