DYWIDAG Rock Bolts

Installation and Stressing Equipment

Installation
Spinning Adapter

 

 

Spinning Adapter to spin the bolts into resin cartridges by electrical or air-driven drilling machines

 

 

Impact Wrench

Stressing

Tensioner suitable for electric or pneumatic impact wrenches

 

Hydraulic Jack HOZ 250/50 for stressing and testing of rock bolts with hexagon nut and spherical seat

 

Hydraulic Jack HOZ 250/50

Technical Data of the HOZ 250/50
dimensions[mm] 600x400x200
capacity [kN] 250
stroke [mm] 50
pressure [MPa] 500
weight [kg] 15

 

 

Universal Stressing Setup for stressing of rock bolts whose axes do not lie normal to the rock face, a hollow cylinder jack equipped with an adjustable chair is used to ensure perfect alignment and load transmission.

 

 

Universal Stressing Setup