Sound barrier overhauls equipment

The utility model belongs to the technical field of the operation is maintained to iron road bridge roof beam. A sound barrier overhauls equipment, is including walking dolly, support arm, operation arm and operation subassembly, the support arm sets up on the walking dolly, just the support arm can be at walking rotary movement on the dolly, operation arm and support arm parallel arrangement thetop of operation arm with be provided with every single move power component between the top of support arm, every single move power component drive operation arm is around the swing of support arm top, the operation subassembly sets up on the operation arm, support arm and operation arm are telescopic arm structure, the maintenance operation to the sound barrier is accomplished to the operation subassembly. The utility model has the characteristics of easy and simple to handle, the security is high, light in weight, go up that the lower track is convenient, the operating efficiency is high, it can realize functions s