In the construction specification of rotary drilling rig, the allowable deviation of verticality is 1% degree, and the maximum allowable deviation range is about 1.7 meters for a pile length of 100 meters, and about 0.85 meters for a pile le ...
Fault phenomenon: after the oil pump is started, there is no oil or the amount of oil is insufficient Reason 1: Insufficient or no oil in the fuel tank Remedy 1: Refuel to the oil level gauge line Reason 2: The filter is clogged Remedy 2: C ...
From the outside, the rotary drilling rig feels very tall, and when you enter the cab, you feel that there are many handles and buttons. Generally speaking, it gives people a very complicated feeling. However, this is indeed the case. From t ...
Construction machinery such as core drilling rigs, water well drilling rigs, engineering drilling rigs, etc. are mostly powered by diesel engines. Due to the harsh operating environment, dust or rain and snow are easily mixed into the fuel t ...
1. The crawler crane that constitutes the pile driver shall comply with the provisions of Section 2 of this Regulation for Lifting and Vertical Transport Machinery, and the equipped diesel piling hammer or vibrating pile hammer shall comply ...
Water well drilling rig is a drilling equipment widely used in water conservancy construction, farmland engineering geothermal drilling, etc. No matter what equipment it is, it needs maintenance and maintenance to better improve work efficie ...
When the water well drilling rig is in construction, it needs to be drilled continuously, and the non-stop operation requires a stable production platform, so as to ensure the stable production of the water well drilling rig. The selection ...
DTH drilling rig is a kind of drilling machine, which is often used for drilling rock anchor cable holes, bolt holes, blasting holes, grouting holes and other drilling constructions in urban construction, railway, highway, river, hydropower ...
There are many common names for fully hydraulic anchor drilling rigs, such as bolt drills, down-the-hole drilling rigs, water drills, rock drills, rock bolt impact drills and so on. The anchoring drilling rig is mainly used in the landslide ...
At present, the commonly used technical methods to improve the vertical bearing capacity of cast-in-place piles include bottom expansion method and post-grouting method of bored cast-in-place piles. 1.Bottom drilling method In the same form ...
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