pipe specimen assembly rig

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A customer requested us to design and build a system for attaching a testing chamber to pipe assemblies. The challenge of the project was the large weight that each hoisting portal had to bear: over 1.5 tons.

This is a unique system and an invention of Delta Tech.
#000061

PURPOSE

The rig is for the assembly of pipe specimens with diameters from 406 to 762 mm. The rig allows attachment of the following accessories to pipe specimens:

  • Attachment of tension sensors and thermocouples,
  • Attachment of external pressure chambers and pipe fittings to supply the gas,
  • Assembly of packers,
  • Installation of induction rings etc.
technical specifications
technical specifications
doc
  1. The frame is a welded structure made of sheet and profiled steel (rectangular pipe, C-beams).
  2. The stand comprises a foundation, top plate and a jack. The top plate travels up- or downwards along the guides (pipes) of the foundation taking the power from the feed screw of the jack.
  3. The driving roller device has self-adjusting rollers to fit various diameters of threaded specimens. It ensures rotation of 300 mm/min. The rig comprises drive and idle roller sections.
  4. The control panel enables switching between modes of operation: adjustment of speed of threaded specimen rotation, lifting and lowering of stands, and is fitted with emergency shutdown function.
  5. The unit also has a cable management system (cables, ducts, lids, etc.) that ensure power supply to rig components.
FEATURES
DESCRIPTION
STANDARD PHOTOS
DIMENSIONAL DRAWING
TECHNICAL SPECIFICATIONS
FEATURES
DESCRIPTION
STANDARD PHOTOS
DIMENSIONAL DRAWING
TECHNICAL SPECIFICATIONS

04

All stands can be moved along the frame if the foundation and are adjustable to fit specimens. The movement of stands is performed by an electrical bridge crane before mounting of the specimen.

03

On all stands, jacks are installed to adjust the height of the nominal position of the threaded specimen axis from the floor (1200 mm). The travel of the jack is 265 mm.

02

The end stands are fitted with driving rollers enabling rotation of the threaded specimen at a required speed, the intermediate stands are fitted with non-driving rollers.

01

The rig consists of a welded frame with mounted movable stands.
FEATURES
DESCRIPTION
STANDARD PHOTOS
DIMENSIONAL DRAWING
TECHNICAL SPECIFICATIONS
FEATURES
DESCRIPTION
STANDARD PHOTOS
DIMENSIONAL DRAWING
TECHNICAL SPECIFICATIONS
Ambient air temperature, °С
+18…+37
Relative humidity, %
75
Average barometric pressure, mmHg
740
Dust concentration in ambient air, mg/m3
max. 10
Three-phase AC, voltage/frequency, V/Hz
380 / 50
Compressed air, bar
7.3
Dew point, °С
+3
Length, m
6.5
Width, m
1.5
Height, m
1.5
Minimal specimen size, mm
406
Maximum specimen size, mm
762
Number of supports, pcs
6
Peripheral speed of specimen rotation, mm/min
100-1000
Height of specimen axis above floor level, m
1.2
Consumed power, kW
4.8
Rig weight (w/o pipe specimen), kg
4300
Rig load capacity, kg
10000
FEATURES
DESCRIPTION
STANDARD PHOTOS
DIMENSIONAL DRAWING
TECHNICAL SPECIFICATIONS

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