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What are the common problems with hdd ditch witch collars tools?
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After the completion of reamer laying, hdd ditch witch collars tools should be carried out related maintenance operations, and timely clean up the site and restore the landscape. The following Xiaobian will share with you the shutdown operation and the rules for the elimination of abnormal conditions for reference in construction.
1. Stop operation \u2460 After reamer and pipe laying is completed, recover the drill pipe and drill tool, remove the anchoring device, and drive the hdd ditch witch collars tools to the designated position according to the work arrangement of the site leader.
\u2461 Stop drilling measurement, to stop the delivery of drilling fluid into the hole.
\u2462 According to the equipment maintenance regulations, the whole car is cleaned, first remove the dirt, grease, and then lubricate, and keep the equipment clean.
What are the common problems with hdd ditch witch collars tools?
(1) At the end of the operation, clean up the scene in time, withdraw the equipment and tools, and restore the landform.
(2) When collecting the mast, first connect the power head bracket with the mast slide frame with a tie rod, lift the tower cylinder down the tower, slide the mast upward, insert the positioning pin connected on both sides of the mast and the mast slide frame.
(3) After the completion of the project, the routine inspection of the drill tool mainly includes: (1) Whether there is a crack in the weld of the back expansion head; \u2461 transfer case connecting pin and cotter pin are worn and cracked; \u2462 Whether the nozzle of the back expansion head is blocked; \u2463 Whether the thread of the drilling tool has slippage and wear; \u2464 Whether the back expansion head has obvious deformation; \u2465 Transfer case rotation is flexible.
(1) In the case of rock or coarse sand in drilling should be slowly fed, once stuck phenomenon, immediately start the emergency stop device, stop drilling, troubleshoot or choose a rock breaking function of the drill bit to drill again.
(2) In the process of drilling, when the pushing or rotating pressure is sudden, the probe has no signal, the signal is unchanged, the signal is sudden, and the water and gas are not smooth, the machine should be shut down immediately to analyze and find out the cause.
(3) The jacking or stopping of the pipe should be subject to the signal from the head of the tool tube. When the jacking system fails, it should send a signal to the operator of the tool tube head to deal with it in time, and it is strictly forbidden to work with fault.
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