CN-121976763-A - Automatic drill rod feeding and discharging device for full-hydraulic core drilling machine

CN121976763ACN 121976763 ACN121976763 ACN 121976763ACN-121976763-A

Abstract

An automatic drill rod feeding and discharging device for a full-hydraulic core drilling machine relates to the technical field of exploration equipment. The drilling rod rack is positioned at a high position when a drilling rod is placed down, the drilling rod is automatically rolled away after falling down, the drilling rod rack is matched, the near manipulator end of the drilling rod rack is highly fixed, the far manipulator end is composed of an oil cylinder lifting guide rail, an inner pipe lifting guide rail, an outer pipe lifting guide rail and a pin positioning mechanism and is used for lifting two requirements of drilling down, a power head moves up and down on a mast, limiting and detecting points are arranged on the upper and lower sides, a top driving force head belt is in spring floating, functions when the screw threads are lifted up and down, hard contact and floating do not function when the drilling rod is lifted down, a lower clamp is provided with a dead weight clamping function, drill rod falling prevention function, symmetrical clamping and synchronous movement are realized, the orifice floating hole searching function is high in applicability, the lower shackle device is provided with an up and down moving function, a clamping function is provided with a shackle function, a power head belt floating function is specially used for medium deep hole core drilling working conditions. The operation efficiency is improved, the operation safety is guaranteed, the drill rod threads are protected, and informatization integration is realized.

Inventors

ZHANG XICHAO
CHEN CHIWU
LIU WENJIE

Assignees

连云港黄海勘探技术有限公司

Dates

Publication Date: 20260505
Application Date: 20260330

Claims (3)

1. Automatic drill rod feeding and discharging device for full-hydraulic core drilling machine is characterized in that: The power head comprises a mechanical two-gear gearbox, a self-lubricating cooling device, a top drive type or chuck type, a floating function and a faucet connected to the rear of the power head; the power head chuck clamps the floating drill rod, and has the functions of floating screwing and unscrewing without damaging the threaded drill rod; the mast feeding mechanism comprises an oil cylinder direct pushing or telescopic mast, an upper limit detection point, a lower mast, an upper mast, a gooseneck, a lower clamping device and a shackle device, wherein the mast can adjust a drilling angle of 45-90 degrees and is matched with an auxiliary support; the six-degree-of-freedom manipulator is used for grabbing a rod, swinging a rod, centering, accurately positioning and returning when a drill rod is arranged, grabbing the rod, swinging the rod and returning when the drill rod is arranged, and a drill rod frame is used for being positioned at a low position when the drill rod is arranged, and automatically rolling the drill rod to a position for grabbing; the near manipulator end of the drill rod frame is fixed in height, and the far manipulator end is composed of an oil cylinder lifting guide rail, an inner pipe lifting guide rail, an outer pipe lifting guide rail and a pin positioning mechanism and is used for lifting and lowering two requirements, and mechanical height adjustment is arranged in the middle of a transverse support; the head is moved up and down on the mast, and is provided with a limit and detection point up and down, the head belt spring of the top driving force floats, and acts when the screw thread is unloaded up, and is in hard contact when the drill rod is unloaded, and the floating does not act; the drill rod is prevented from falling by the lower clamp with the dead weight clamping function, symmetrically clamped and synchronously moved, and has the functions of floating and searching holes at the holes, thereby having strong applicability; The lower shackle device is provided with an up-and-down movement function, a clamping function, a shackle function and a centralizing sleeve; the power head belt has a floating function and adopts a top drive type or chuck type; the mechanical arm is manually or automatically operated, has a memory function, is driven by a servo motor, and is electromagnetically attracted and provided with a hydraulic lock and a mechanical lock.
2. The automatic drill rod loading and unloading device for the full-hydraulic core drilling machine according to claim 1, wherein: (1) The drill rod storing system comprises a near manipulator end which is positioned at a low position when the drill rod is drilled down, a near manipulator end which is positioned at a high position when the drill rod is lifted, the drill rod which falls down from the manipulator is automatically rolled to the other end of the drill rod frame, and then the drill rod is uniformly transferred by matching with other tools, and a multi-degree-of-freedom mechanical arm and an end effector which are responsible for grabbing the drill rod from the drill rod frame and accurately conveying the drill rod to the center line of an orifice. The end effector has the functions of clamping and righting and can adapt to the joint forms of drill rods with different specifications, the orifice automatic tool system comprises a hydraulic clamp holder and a hydraulic shackle device, the power head auxiliary docking system is cooperated with a power head of a drilling machine to finish preliminary threading and final tightening of the screw threads of the drill rods, and the hydraulic driving subsystem is used for providing stable and reliable power for all action units such as a mechanical arm, a gripping hand, the clamp holder, the shackle device and the like. The method comprises the steps of (1) adopting a load sensitive or electrohydraulic proportional technology to realize stable and accurate control of actions, integrating double safety of hydraulic locking and mechanical locking to ensure that the device does not move accidentally in the drilling process, (6) using a core controller as a control brain to process all sensor signals and output instructions, providing a touch screen for an operator to start, stop, drill and trip processes by one key, and displaying information of device states, torque values and operation counts in real time.
3. The automatic drill rod loading and unloading device for the full-hydraulic core drilling machine according to claim 1, wherein: automatic drill rod feeding process The starting position comprises a lower clamp holder for clamping a drill rod, a power head in a lower limit state, a drill rod screw thread at an orifice in a screwing state, a power head in a low-speed reverse rotation state for opening the screw thread and separating the screw thread from the drill rod at the orifice, a power head in a stop reverse rotation state for ascending the power head to a position on a mast for limiting 1, a manipulator for grabbing a drill rod and sending the drill rod to a position with a set orifice, a lower stripper ascending for clamping the lower end of the drill rod through a centralizing sleeve, a power head in a low-speed forward rotation state for screwing the screw thread at the upper end of the drill rod, a lower stripper releasing for descending to an upper limit 2, a power head in a low-speed forward rotation state for screwing the screw thread at the drill rod, a lower stripper descending for releasing for descending, and a power head descending to a lower limit state for clamping the lower clamp holder; Automatic drill rod feeding process The starting position comprises the steps that a lower clamp holder clamps a drill rod, a power head is in a lower limit, a drill rod screw thread at an orifice is in a screwing state, the lower clamp holder is loosened, the power head ascends to an upper limit 1, the lower clamp holder clamps the lower end of the drill rod, the lower clamp holder clamps the screw thread, the lower clamp holder is loosened, the power head is in low-speed reverse rotation, the lower screw thread of the drill rod is detached, the lower clamp holder clamps, the power head is in low-speed reverse rotation, the upper screw thread is detached, a mechanical arm grasps the drill rod, the lower clamp holder loosens the lower end of the drill rod and descends, the mechanical arm conveys the drill rod to a drill rod frame position, the power head descends to the lower limit, and the power head is in low-speed forward rotation to tighten the screw thread.

Description

Automatic drill rod feeding and discharging device for full-hydraulic core drilling machine Technical Field The invention relates to the technical field of exploration equipment, in particular to an automatic drill rod feeding and discharging device for a full-hydraulic core drilling machine. Background The full-hydraulic core drilling machine mainly comprises a power head, a sliding seat, a lower mast section, an upper mast section, a pulley, a gooseneck head, a main winch, a subsidiary winch, a power system, a chassis, a platform, an operating system, a slurry pump and the like. The full hydraulic core drilling machine mainly adopts full hydraulic drive, the power head rotation adopts a closed loop system driven by a variable pump and a variable motor, mechanical second gear speed change and hydraulic stepless speed regulation are realized, the upper end of the power head is provided with a hydraulic chuck, the hydraulic chuck is used for clamping a driving drill rod to realize drilling and pulling functions, the power head is provided with a transverse translation or turnover mechanism, the center of a hole opening is kept away when a drilling tool is pulled down, the main hoisting steel wire rope is not prevented from passing through a gooseneck head and a pulley lifting hole bottom drilling tool, and the power head lifting and feeding adopts an oil cylinder chain speed doubling mechanism or an oil cylinder direct pushing mechanism, and the drilling tool is pulled down and normally drilled. In the drilling process, clamping operation of the drill rod is required, and after the drilling is finished, the operation of disassembling the drill rod is required. The work is basically completed by manual operation, and the wellhead operation condition is poor, so that the method has the defects of high labor intensity, low operation efficiency, multiple potential safety hazards, easy damage of drill rod threads and the like. Disclosure of Invention The invention aims to solve the technical problem of providing an automatic drill rod feeding and discharging device for a full-hydraulic core drilling machine, which is used for improving the working efficiency and reducing the labor intensity, aiming at the defects of the prior art. The technical problem to be solved by the invention is realized by the following technical scheme, and the automatic drill rod feeding and discharging device for the full-hydraulic core drilling machine is characterized in that: The power head comprises a mechanical two-gear gearbox, a self-lubricating cooling device, a top drive type or chuck type, a floating function and a faucet connected to the rear of the power head; the power head chuck clamps the floating drill rod, and has the functions of floating screwing and unscrewing without damaging the threaded drill rod; the mast feeding mechanism comprises an oil cylinder direct pushing or telescopic mast, an upper limit detection point, a lower mast, an upper mast, a gooseneck, a lower clamping device and a shackle device, wherein the mast can adjust a drilling angle of 45-90 degrees and is matched with an auxiliary support; the six-degree-of-freedom manipulator is used for grabbing a rod, swinging a rod, centering, accurately positioning and returning when a drill rod is arranged, grabbing the rod, swinging the rod and returning when the drill rod is arranged, and a drill rod frame is used for being positioned at a low position when the drill rod is arranged, and automatically rolling the drill rod to a position for grabbing; the near manipulator end of the drill rod frame is fixed in height, and the far manipulator end is composed of an oil cylinder lifting guide rail, an inner pipe lifting guide rail, an outer pipe lifting guide rail and a pin positioning mechanism and is used for lifting and lowering two requirements, and mechanical height adjustment is arranged in the middle of a transverse support; the head is moved up and down on the mast, and is provided with a limit and detection point up and down, the head belt spring of the top driving force floats, and acts when the screw thread is unloaded up, and is in hard contact when the drill rod is unloaded, and the floating does not act; the drill rod is prevented from falling by the lower clamp with the dead weight clamping function, symmetrically clamped and synchronously moved, and has the functions of floating and searching holes at the holes, thereby having strong applicability; The lower shackle device is provided with an up-and-down movement function, a clamping function, a shackle function and a centralizing sleeve; the power head belt has a floating function and adopts a top drive type or chuck type; the mechanical arm is manually or automatically operated, has a memory function, is driven by a servo motor, and is electromagnetically attracted and provided with a hydraulic lock and a mechanical lock. The technical problems to be solved by the invention can be further realiz