Multi Purpose 200m Railroad Crawler Mounted Drill Rig

Multi Purpose 200m Depth Railroad Construction Crawler Mounted Drill Rig

Brief Introduction

GK200 drilling rig is mainly a collection of functions and features of the popular market XY-1, XY-1B, XY-1A other small rigs.It is a light larger torque rotary rigs which uses XY-1 hydraulic automatic infeed, a wide range of large modulus gear transmission of XY-1B's, XY-1A Wide range speed. Suitable for geological survey and prospecting, exploration roads and building exploration , high-speed grouting detection hole, blast hole, small wells, small pile hole drilling, etc.

Specifications

(1) Rated drilling depth:200m,The deepest shall not exceed 220m.

Rated opening diameter:200mm.

Maximum opening diameter : 300mm.

Drilling depth and drilling diameter shall be determined according to the formation conditions.
(2)The vertical speed (four steps):118,236,505,1010.r/rain
(3)Max output torque:1500N. m
(4)Maximum weight (a speed of single rope):17KN
(5)drill pipe diameter:42mm
(6)Borehole inclination:90~75°
(7)Rig overall dimensions·(L×B×H)1433×697×1273mm
(8)Rig weight:500kg(Transfer machines 620kg, transfer machine with pump 720kg)

Application

• Geological exploration
• water and electricity engineering
• road and railroad construction,
• build engineering and big diameter water well construction project etc.

Matters Needing Attention in Drilling Process Of Crawler Drilling Rig

• 1. After drilling structure of crawler drill bit, the center drilling tool needs to be replaced in time. Firstly, the hole bottom needs to be cleaned, and then the residue at the bottom of the hole is blown clean. After the bit stops rotating, the drilling tool in the drilling rig is slowly lifted up. When the lifting force is good enough to lift the drilling tool, it is appropriate.
• 2. When the drill bit of crawler drilling rig is summarized in the drilling process, it is also necessary to carefully observe the follow-up situation of the casing, timely understand the specific situation in the hole, and timely keep the hole clean when necessary, and the drill bit in the drilling rig is not allowed to pull out forcefully during the drilling process.
• 3. Sometimes more residual rock slag will be left at the bottom of the hole of crawler drilling rig, and the rotary part of the eccentric bit will be blocked by the rock slag, which will affect its closing production. At this time, it is necessary to transport compressed air, clean the hole again, and make the DTH hammer work for a short time, and then lift the central drilling tool again.

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