introduction of PA tower accessories and function

PA truss tower is the most welcome aluminum trussing structure for line array system. because it is low costs and easy erection.

here in this article we would like to introduce the function of its parts.

1. triangle truss base 
   

it is the most important and crucial part of PA tower.

it is the connector to the incline truss pole and balancing legs, it is also have connection to the motor or winch base.

it is a stress centre.

2. top section 

it have 2 functions. the first one is have winch rope goes through to pull the truss post up; 

the second one is to hang the hook of hoist to lift the line array up.

3. motor or winch base

it is a small part for motor and winch to sit and combine with the truss system as a whole, so as to pass the forces to the ground and lift the truss pillar and line array.

4. supporting rod

it is another crucial part to pass the weight and stress to the ground with incline post by ground truss beam ( 2 truss legs). 

with its one end to incline truss and the other end to ground truss beam. 

5. adjustable base

when the PA truss tower is erected on a uneven ground. we shall use the adjustable base to keep the whole body at the same level.

it is installed under the ground truss beam.