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Exciting new contract goes to British drilling rig builder.
Monday, 05 July 2010 08:20
The UK's longest established drilling rig manufacturer, Dando Drilling International has received
Surge in sales of heavy duty marine rotary head
Sunday, 25 April 2010 08:49
Dando have for many years built custom rotary heads for over-water geotechnics and exploration.
Vacancy for experienced fitter
Saturday, 24 April 2010 08:48
We are currently looking for an Experienced fitter to join our team in West Sussex,
Surprisingly good international drilling tools sales
Friday, 23 April 2010 08:46
With a thriving drilling tools business as well as some of the best drilling plant out there,
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Drilling Sector

Water well
Geothermal (GSHP)
Geotechnical
Mineral exploration
Site investigation
Cable percussion

Home Drilling Sector Geotechnical Terrier Site Investigator
The crawler mounted Dando Terrier Site Investigation Rig has been designed specifically for soil sampling and testing for geotechnical and environmental analysis.

drive_sampling

Terrier Video - Terrier Drive Sampling

Terrier Drive Sampling - 2-Piece drop hammer for sampling and testing incorporated in mast assembly with hydraulic cylinder giving 7000kg pull back for recovery of casing and sampling tools.
rotary

Terrier Video - Rotary

Optional two-speed rotary head gives the Terrier many of the features of a powerful yet ultra-compact rotary drill rig.
transport

Terrier Video - Transport and Storage

Compact crawler mounted design ideally suited for transport in long-wheel base Transit-class vans.
radio_control

Terrier Video - Radio Control Tracking

The Terrier tracking controls can be operated from an optional hand-held radio control.
romote_drive

Terrier Video - Remote Drive Sampling

Optional two-speed rotary head gives the Terrier many of the features of a powerful yet ultra-compact rotary drill rig.
coring

Terrier Video - Terrier Concrete Coring

Use the optional attachment to remove a concrete core to access the soil beneath. Offers a neat and clean way to sample beneath conrete aprons and forecourts.
slope_drilling

Terrier Video - Terrier Slope Drilling

Hydraulic tilting undercarriage allows operation on inclined slopes up to 30 degrees from horizontal.



Terrier Site Investigator - Specification

The DandoTerrier can be easily converted on site into a compact multi-purpose rotary drill by replacing the Drop Weight Mast Assembly with a Rotary Head Mast Assembly.

HYDRAULIC ROTARY DRILLING MAST AND HEAD
Driven by hydraulic motor fitted with a 7 : 1 ratio gearbox with manual gear change providing full controlled power and rotational speeds in forward or reverse with integral side inlet water swivel with BW Rod connection fitted to travelling carriage plate with bolts.

High range
Maximum Torque 125 ft/lbs 170Nm
Maximum Spindle Speed 312 r.p.m.

Low Range
Maximum Torque 780 ft/lbs 1059Nm
Maximum Spindle Speed 50 r.p.m.

MAST AND CARRIAGE ASSEMBLY
Fabricated welded steel box section construction fitted with a pair of rubber wheels and two levelling jacks. Hydraulically raised and lowered by single double acting ram on the main Terrier undercarriage and attached when required to main Terrier undercarriage via Pivot Frame Assembly.

Overall length/height : 2.4m - 3.5m
Guide Ring: 160mm effective ID

FEED AND HOIST SYSTEM
Provided by single double acting ram transmitting adjustable hydraulic load to the rotary.

Stroke 1.6m to accommodate 1.0m effective length core
barrel assembly

Feed force 1000Kgf
Hoist force 7000Kgf

CONTROLS AND HYDRAULIC POWER
Hydraulic functions of hoist/feed and rotation are controlled from main hydraulic control valve on the Terrier and hydraulic power is supplied via PTO from the main Terrier hydraulic power pack.

Weight
Dando Terrier equipped with
rotary head mast assembly 1041kg
Rotary head mast assembly attachment 265kg

JACK LEGS
Set of stabilising jacks.

Terrier Site Investigator - PDF Downloads
View Terrier Site Investigator - pdf - 2.9mb
Download Terrier Site Investigator - zip - 2.8mb