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DY-1000巖心鉆機液壓動力頭設計

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00354-DY-1000巖心鉆機液壓動力頭設計
摘要

全液壓巖心鉆機是一種新型鉆機，是在吸取了立軸式巖心和轉盤式巖心鉆機結構的優點基礎上發展起來的。目前已生產出的全液壓巖心鉆機的主要優點是：給進行程長，可縮短鉆進過程的輔助時間，有利于減少孔內事故；動力頭上下移動是沿剛性較大的滑道進行的，所以導向、定向性好，旋轉平穩；鉆機升降機構與給進機構合一，動力頭與孔口夾持器配合可實現擰卸鉆具，此種結構簡化了鉆機的結構及配套裝置。全液壓巖心鉆機還具有無極調速、調速范圍大、過載保護性能好，能實現自動化、遠距離自動控制等優點。但全液壓巖心鉆機消耗功率較大，傳動效率低，可拆性差，液壓元件要求精度高，保養維修方便。

本鉆機準備在鉆進時，通過底座上活塞桿將平放于底座上的工作機構旋轉90°，撐開液壓支腿，并將其調整平穩可靠，此時可鉆垂直孔。鉆頭安裝等工作完成后，接通電源。此時，將卡盤夾緊鉆桿，夾持器處于松開狀態。動力頭將動力輸出，經液壓系統帶動液壓馬達旋轉，馬達輸出軸于變速箱齒輪軸聯接，將動力傳到空心輸出軸。空心軸帶動聯接的卡盤同速旋轉，從而鉆桿回轉。加之液壓給進機構調節適當壓力使鉆頭完成鉆進工作。

關鍵詞：全液壓巖心鉆機動力頭

Abstract

Hydraulic core drilling rig is a new rig, absorb the vertical shaft in the core and rotary core drilling rig structure developed on the basis of merit. Has produced a hydraulic core drill main advantages are: to be a long process, can reduce the auxiliary time during drilling, the hole will help to reduce accidents; power head to move along the slide to the more rigid, so oriented, good orientation, rotation, smooth; drill down into the agencies and institutions to one, the power head and the orifice holder can be achieved with the drilling screw unloading, this structure simplifies the structure of the rig and ancillary equipment. Hydraulic core drill also has a step less, speed range, overload performance, can be automated, remote automatic control and so on. However, hydraulic core drill a larger power consumption, transmission efficiency is low, removable poor, the high accuracy of hydraulic components, easy maintenance.

The drilling rig ready when the piston rod through the base will be flat on the base of the working bodies of rotation 90 °, softened hydraulic legs, and adjust the smooth and reliable, then you can drill vertical holes. Drill installation is completed, power. At this point, the drill chuck clamping, gripping is in release state. Power output of the power head, the hydraulic system driven by hydraulic motor rotates the motor output shaft in the gear shaft, the gearbox, the power to the hollow output shaft. Hollow shaft connected to drive rotation of the chuck at the same speed, thus rotating drill pipe. Coupled into the body adjust to the appropriate hydraulic pressure to complete drilling work drill

Keywords: hydraulic core drill the power head

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