Interlocking Kelly Bar for Rotary Drilling Rig
|Different name：||Kelly bar for rotary drilling rig|
|Main application：||deep foundation drilling;|
|Core specification parameters：||interlock type, telescope kelly|
|Applications:||Deep foundation engineering, bored piling, cassion, Drilled shafts, cast-in-drilled-hole piles, Civil engineering, Infrastructure, building, bridge, high-speed railway etc.|
Kelly bar is a telescopic drilling rod to transfer the torque of rotary drive and crowd pressure of the crowd system to the drilling tool. Kimdrill can customize kelly bar on requested that can be applied to any type of piling rig available in market.
Interlocking Kelly bars are used with piling rigs for drilling in dense sand and gravel and weak to strong rock. To transfer the max torque to the drilling tools, the interlocking Kelly bar is equipped with drive ribs which are welded on the lock device on each section.
The Interlocking Kelly bars can be fully locked by mechanical locking system on each section.Kelly bars can be equipped with specially designed springs or pressure plates for shock absorbing purpose.Material:
Kelly stub: 35CrMo, forging
Steel Pipe: Q355B (Outside sections), 35CrMo (inside sections)
|Model||Outer Dia. （mm）||Section||Length of each section (m)||Compatible Drilling Rigs|
|KD406/3/4/5/9-15||406||3,4,5||9-15||Soilemc, IMT, CMV|
|KD440/3/4/5/6/9-15||440||3,4,5,6||9-15||MAIT, SANY, XCMG|
|KD508/3/4/5/6/9-18||508||3,4,5,6||9-18||Casagrande, XCMG, ZOOMLION|
|KD558/3/4/5/6/9-24||558||3,4,5,6||9-24||Soilmec, SANY, SUNWARD|
Package and Delivery:
For the kelly bar in length less than 11.5 meters, we will load them in 40GP.
For the kelly bar in length more than 11.5 meters, we will ship them in bulk cargo.
|Place of Origin:||Made in China|
|Material:||Q355B/35CrMo Steel Pipe|
|Compatible Brand:||XCMG, SANY, BAUER,SOILMEC, SUNWARD, CMV,MAIT|
|Certification:||ISO 9001/ COC/PVOC|
|Minimum Order Quantity:||1 set|
|Packaging Details:||Wrapped with plastic film.|
|Delivery Time:||7 working days|
Top quality raw material
With Heat-treatment and strict QC process
With rich experience of manufacturing and exporting
Familiar with the rotary drilling rig in difference brand and model