Welcome to Sandvik, you are now browsing our site in English, would you like to switch to another language?

Change language

Upgrades & Engineered solutions

TRS two rods system for development drills

The TRS Upgrade Solution Retrofit kit is delivered fully adapted to customer’s rods specifications, with all needed parts including controls and hoses harness.

Description

Occasionally, it might be necessary to drill holes longer than the standard rod length used, i.e. drilling investigation holes, holes for grouting etc.

For this purpose, Sandvik has developed the TRS two rods system that allow to had safely a second rod on the feed.
The TRS can be retrofitted to TF feeds on development drills.

The TRS consists of two grippers with cylinders to hold one rod at a time in jaws, a rod retainer to hold the rod during coupling / uncoupling, an opening travelling centralizer to allow adding / removing rods from the center line, and a limit plate to help positioning the rods in the grippers.

The drilling starts with one rod in the feed, and another in the grippers. When the first rod is drilled, the second rod is placed in the feed by the grippers.

Additional rods can be loaded manually in the gripper. A safety wire is installed near the TRS to allow immediate emergency stop in case of issue.

The TRS Upgrade Solution Retrofit kit is delivered fully adapted to customer’s rods specifications, with all needed parts including controls and hoses harness.
Advantages

-Allow to drill occasional longer hole by adding a second rod on the feed with having to bring people on the front danger area of the machine.
Customer values

-Improve Safety

Product specifications

Application area: Application modification
Underground drill rigs & Bolters: Sandvik DD530 / Sandvik DD531 / Sandvik DD421 / Sandvik DD422iE / Sandvik DD422i / Sandvik DD420 / Sandvik DD321 / Sandvik DD410 / Sandvik DD411