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What are the preparations for the construction of the drill pipe of the rotary digging machine?
Release time:
2018-10-22
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Rotary drilling machine drill pipe is a kind of equipment used more in many construction projects. It is fixed on the main winch drum through the wire rope, and the drill pipe can rise or fall accordingly when the drum is rolled or put on the wire rope. In order to ensure that the drill pipe of the rotary excavator works better and more safely, it is necessary to make relevant preparations before construction. The specific contents of the preparatory work are as follows: 1. The construction organization design must be pre-examined. Before the commencement of the project, the construction unit shall review the construction methods, main technical indicators and control measures to ensure that the work is correct. 2. must carefully good measurement positioning off. Measurement positioning is the key to the whole work, related to the hole position
Rotary Excavator Drill PipeIt is a kind of equipment that is used more in many construction projects. It is fixed on the main hoisting drum through the steel wire rope. When the drum is rolled or put on the steel wire rope, the drill pipe will rise or fall accordingly. In order to ensure that the drill pipe of the rotary excavator works better and more safely, it is necessary to make relevant preparations before construction. Preparations are as follows:
1. The construction organization design must be pre-examined. Before the commencement of the project, the construction unit shall review the construction methods, main technical indicators and control measures to ensure that the work is correct.
2. must carefully good measurement positioning off. Measurement and positioning is the key to the whole work, which is related to the accuracy of the hole position, the verticality of the hole and the elevation of the datum plane. In the specific operation process, the construction unit must strictly follow the requirements of the three-inspection system, and strictly control the deviation within the allowable range of the design or specification.
3. The casing and drilling rig must be installed firmly and accurately. The casing has the functions of fixing the pile position, drilling guidance, protecting the orifice and isolating the surface water inside and outside the hole. In the production process, it is required to be strong, durable, not easy to deform, watertight, easy to load and unload, and can be reused. In addition, a stiffening rib is welded on the upper, middle and lower parts of the outer side of the casing to increase rigidity and prevent deformation. The shape can be made into a whole or two semicircles.
The above is some of the preparatory work that needs to be done before the construction of the rotary excavator drill pipe, which is the key to ensure the normal and safe work of the rotary excavator drill pipe.
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