Basic Info.Warranty6 MonthsApplicationRotary Piling
RigCertificationISO9001:
2000ConditionNewMaterialQ345b/35CrMo/42CrMo/27simnFormationStrongly,
Medium and Slightly Weathered FormationRockSoft to Very Hard Rock
LayerOEMYesTrademarkRIGPATransport PackageIron SupportOriginChinaHS
Code8431432000Product DescriptionAdvantages:Precise calculating to
choose the pipe raw material for each layer.Know well about the rig
of Baue, Sany and other famous brands.Rich experience from the
construction sites.Automatic welder to promote the overall
quality.Guaranteed after-sales.A rotary kelly bar is used
between the rotary drilling rig and the rotary drilling
tools to transmit torque, axial pressure and other loads. It
is a tubular structure that expands and contracts section by
section along a common axis. It consists of several
sections of steel pipes with different diameters and internal and
external keys. Parameter:NameInterlocking kelly barOther namesKelly
bar / drilling rig kelly bar / drilling rig
kellyModel355/368/377/394/406/419/440/445/470/508/530/580/630MaterialQ345B/35CrMo/42CrMo/27SiMnFormationFor
strongly, medium and slightly weathered soft to very
hard rock layerSimilar typeFriction kelly barMachineRotary
drilling rigBrandBaue / Soilmec / IMT / Mait / Sany / Zoomlion /
Sunward / XCMGWhat parts does a complete rotary kelly
bar consist of?1. Kelly eye: It is a component that connects
the kelly bar and the lifting unit.2. Bolt: Fix the flange.3.
Baffle: It can prevent the kelly bar from being carried when
the kelly bar is lifted.Damping rubber: reduce the impact on
the rig during drilling and protect the rig.External key: used
to transmit torque and pressure, and play a guiding role.6.
Taper key: play a guiding role and facilitate the
pressurization and unlocking the block.7. Pressure block: used
to transfer pressure.Pallet: Flowing water protects the end of the
kelly bar.Spring: play a dual role of protecting the kelly
bar and the rig.10. Kelly stub: transfer pressure and torque
to the drilling tools.11. Retaining ring: play a role of limiting
and positioning.12. Swivel: positioning, wear-resistant.13.
Internal key: used to transmit torque and pressure, play a role in
positioning and guiding.Kelly bar types as below:Rotary kelly
bars are mainly divided into two structural forms: friction
kelly bars and interlocking kelly bar.The friction kelly
bar refers to the kelly bars through which the shaft
pressure is transmitted between the layers of pipe through
friction when the rotary drilling rig is drilling. The friction
kelly bar has the characteristics of simple operation and
large drilling depth. It is mainly suitable for soft ground
construction, such as clay, silt, silty soil, artificial backfill
and stratum containing some pebbles and gravel.The interlocking
kelly bar refers to When the rotary drilling rig is drilling,
the kelly bar that transfer pressure between each layer of
pipes through the pressure lock block. The operation of
the interlocking kelly bar is relatively complicated, and
the drilling depth is relatively shallow. However, the interlocking
kelly bar can transmit a larger pressure through the pressure
point and can be used for drilling in rock formations, such as
strong weathering, moderate weathering, and slightly
weathering rock formation.For any advice about selection of
kelly bar, please email us Production of kelly bar:A good
kelly bar must undergo rigorous testing from material
selection to welding to assembly. The quality of our kelly
bar is reliable. The raw materials of key components such as
steel pipes, keys and kelly stub are all customized from
well-known domestic manufacturers. The steel has high purity and
quality assurance; strong comprehensive capabilities such as
torsion, compression and vibration resistance; Excellent grinding
performance and long service life.Shipment and package of kelly
bar:Package: iron support and wrapped with plastic
filmTransportation: by sea, land and air.Main ports: Manzhouli,
Tianjin, Qiangdao, Shanghai, Yiwu, Taizhou, Shenzhen, Guangzhou,
Ruili, Pingxiang, Horgos, etc.Delivery: Fast and timely
delivery.Our kelly bars at construction sites:
Technologists' regular investigation on construction sites
promotes product optimization and innovation.RIGPA kelly bar with
high and stable quality has been highly recognized by the
customers, and widely introduced to other customers.Tips for rotary
drilling rig working: The site must be leveled, secure, and
determined by the ethanol level on the rotary drilling rig and work
experience inspection as the standard. If the infield is made into
holes, blind piles or geological soft belts, signs must be set.
When working in rainy seasons, there must be countermeasures for
drainage pipes on the spot.FAQQ1: Are you a manufacturer or trading
company?We are manufacturer of more than 10
years' experience.Q2: Do your products match our machines?Yes,
Know well about the rig of Baue, Sany and other famous brands.we
will confi
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