13results about How to "Guaranteed drilling efficiency" patented technology

The invention provides a geological exploration sampling method and sampling equipment based on vibration drilling and obstacle recognition, and belongs to the technical field of geological exploration. The geological exploration sampling method comprises the following steps: 1, starting drilling; 2, switching a vibration mode; 3, obstacle recognition; 4, grouting assistance; and 5, recovering drilling and completing sampling. According to the geological exploration sampling method, the adaptability to complex stratums can be improved by switching the rotary drilling mode and the vibration drilling mode, a multi-sensor module is adopted in the obstacle recognition step, and pressure, sound waves and vibration signals are collected in real time, so that the obstacle type is accurately judged, and a basis is provided for subsequent drilling mode adjustment. In the grouting assisting step, grouting equipment is adopted to inject grout into an obstacle area from grouting micropores in the front end of a drill bit through a grouting channel so as to effectively weaken an obstacle structure. By means of the method, efficient drilling and sampling operation under the complex stratum condition can be achieved, the drilling tool jamming risk is reduced, adaptability is high, and efficiency is high.

The invention provides a drilling method and system which are applied to a drilling mechanism comprising a drill tower device and a conveying device, and the drill tower device is provided with a first power head, a second power head, an iron roughneck and a grabbing device. The drilling method comprises the steps that the drilling mode of the drilling mechanism is obtained; the drilling tool to be connected is conveyed to a first preset position or a second preset position based on the drilling mode; when it is obtained that the to-be-connected drilling tool is located at the first preset position, a grabbing device and a first power head are driven to be sequentially in butt joint with the to-be-connected drilling tool, then an iron roughneck is driven to centralize the to-be-connected drilling tool and lock the to-be-connected drilling tool and a previous drilling tool, and after locking, the first power head is driven to drill downwards; and when it is obtained that the to-be-connected drilling tool is located at a second preset position, the first power head is driven to move to be in butt joint with the to-be-connected drilling tool, then the first power head is moved to make contact with the previous drilling tool and is locked, and after locking, the first power head and the second power head are driven to drill downwards. And different stratum conditions and engineering project requirements are met.

This utility model relates to the field of cast-in-place pile construction technology, specifically to a suspended mud pump, including a mud pump body, a support assembly, and a floating assembly. The support assembly has a centrally located space for mounting the mud pump body, which is situated within this space. The floating assembly is positioned around the support assembly and includes at least two suspension units. These suspension units provide buoyancy to support the mud pump body. The mud pump body reciprocates based on these suspension units, following changes in the mud slurry level. The mud pump body has a suction port located at its lower part, flush with the bottom of the floating assembly. This design prevents the water level from exceeding the motor's height or causing idling, extending equipment lifespan. Furthermore, by maintaining a reasonable relative depth between the suction port and the liquid surface, fluctuations in suction resistance are reduced, ensuring stable mud circulation flow.

The invention discloses an underground space TBM tunneling direction transient electromagnetic advanced detection device and method, a motor is used as a magnetic core, so that electromagnetic signals can be enhanced, two transmitting coils and a receiving coil are arranged at the same time, and the two transmitting coils are respectively connected with equal and opposite currents to form transmitting sources with mutually offset magnetic fields, so that the electromagnetic signals can be enhanced. A pure secondary field response signal is generated at the position of the receiving coil; according to the mode, transient electromagnetic tunnel advanced geological forecast detection can be carried out in the tunneling direction of the TBM in the underground space, the detection precision is high, and no blind area exists in the detection range; in addition, in the detection process, no matter whether the tunneling direction is deflected or not, the front of the initial tunneling horizontal direction can be detected all the time, so that the advanced detection stability is guaranteed, whether the tunneling direction is deflected or not can be monitored in real time by processing electromagnetic data in the detection process, deflection angle information is judged, and the detection accuracy is improved. And then the TBM is guided to adjust the tunneling posture, and the tunneling efficiency is guaranteed.

The invention relates to the technical field of rock tunneling, and provides a full-section rock tunneling robot and an operation method thereof. Comprising a walking mechanism, an up-down moving system, a left-right moving system, a rock drilling and breaking system and the like. The walking mechanism comprises a crawler belt, driving wheels and hydraulic telescopic supporting legs. The rotating platform mechanism is installed on the walking mechanism, and the full-section operation mechanism is movably installed on the rotating platform mechanism. The up-down moving system is used for realizing lifting of the rock drilling and breaking system; the left-right moving system is used for realizing left-right movement of the rock drilling and breaking system; the rock drilling and breaking system comprises a mechanical long arm, a mechanical short arm and rock breaking equipment; the rock breaking equipment is integrated with the identification system, communicates with the control system through a wireless signal, and carries out tensile shear rock breaking by utilizing rock properties; the control system integrates a rock breaking position automation module, a communication module and a guide rail position adjusting module. According to the invention, the robot can carry out all-directional, dead-corner-free and interference-free full-section continuous tunneling in a roadway with a section in any shape.

The utility model discloses a device for T iron drilling, including fixed platform for placing and fixed T iron still includes: elevating platform, solidly installs on the fixed platform, and the elevating platform is installed with the elevating plate of horizontal setting, and the elevating plate can along with elevating platform vertical reciprocating lifting movement, drilling mechanism, installs on the elevating plate, including: a plurality of drill bits, can clockwise rotatably set in the bottom of elevating plate, motor, the number is one, set up in the elevating plate top, transmission structure, install on the elevating plate between motor and a plurality of drill bits, for the kinetic energy transmission of motor to each drill bit. In the scheme, minimum can only set up one motor, can drive a plurality of drill bits to carry out drilling, need not to equip each drill bit with a corresponding motor, greatly reduces the power consumption of whole device, makes each drilling equipment normal work operation to keep in a low power consumption level, has realized the purpose of reducing enterprise production cost, finally realized the purpose of improving economic efficiency.

The application relates to the technical field of drilling devices, and discloses a drilling device for metal computer support machining and an operation method thereof, which comprises a driven feeding mechanism and a buffer liquid flow control mechanism. The drilling device for metal computer support machining and the operation method thereof utilize the liquid output by a hydraulic system to control the feeding of a drill bit, realize systematic feeding pressure control on the basis of guaranteeing the driven feeding, can guarantee the drilling efficiency of the drill bit on the metal computer support and the effective utilization rate of kinetic energy on one hand, and can effectively prevent the drill bit and the metal computer support from being deformed due to the overloading of the feeding pressure on the other hand, so that the limitation of the equipment in the use process is reduced, and the self-adaptability of the equipment is improved.

The integrated variable frequency motor with the adjusting gear comprises a drilling machine, the drilling machine comprises a shell, a motor is arranged in the shell, an output shaft of the motor is provided with a driving gear, the driving gear is meshed with a driven gear, and the driving gear and the driven gear are combined into a gear pump. An input port of the gear pump is connected with a heat transfer oil tank through a pipeline, heat transfer oil is arranged in the heat transfer oil tank and is low-specific-heat-capacity liquid, an output port of the gear pump is connected with a flow valve through a pipeline, a linkage device is arranged on a rotating shaft of the driving gear, and a drill bit is arranged on the lower side of the linkage device. The linkage device is internally provided with a heating device, the heating device comprises a differential pressure valve, and the differential pressure valve is sleeved with four sets of rotary heating devices.The device has the advantages that the motor and the drill bit can be automatically preheated, the temperature balance of the motor and the drill bit can be automatically adjusted, and the drill bit protection function is achieved.

The present invention discloses a tunnel energy-gathering directional blasting excavation reversing drilling mechanism and a drilling method, and belongs to the technical field of tunnel excavation. The tunnel energy-gathering directional blasting excavation reversing drilling mechanism includes a drill rod, which is connected to the boom of a rock drilling trolley, and the drill rod is connected to a drill bit through a connecting assembly, and the connecting assembly is connected to the drill bit through a steering assembly; the steering assembly includes a mounting rod and a transmission rod, and the mounting rod and the transmission rod are connected through a connecting seat, and the drill bit is arranged on the end of the mounting rod, and the mounting rod is provided with a first outer sleeve on the outside, and the transmission rod is provided with a second outer sleeve on the outside, and a steering structure is arranged between the first outer sleeve and the second outer sleeve, and a supporting structure for supporting the connecting assembly is arranged on the second outer sleeve. The tunnel energy-gathering directional blasting excavation reversing drilling mechanism and the drilling method described in the present invention realize the reversing drilling of the tunnel peripheral holes from inclined holes to straight holes, and reduce the over-excavation phenomenon of the tunnel.

The utility model relates to the technical field of oil exploitation, and discloses an oil exploitation sampling device which comprises a box body, a mounting plate is arranged in the box body, a drill rod is arranged on the lower side of the mounting plate, a sampling bin is fixedly connected to the lower side of the drill rod, and a drill bit is arranged at the lower end of the sampling bin. An electric push rod is arranged in the drill rod, the telescopic end of the electric push rod penetrates into the sampling bin in a sliding mode, the telescopic end of the electric push rod is fixedly connected with a push plate, and through cooperation of a fixing ring, a sealing ring, a filter plate, a flow guide block and other structures, petroleum is filtered, so that the sampling efficiency is effectively improved, and the service life of equipment is effectively prolonged; meanwhile, the condition that impurities are mixed into the sample is effectively avoided, the accuracy of subsequent petroleum sample detection is improved, a reliable basis is provided for subsequent production and analysis, and the practicability is high.

The invention provides a geotechnical engineering sampling drill bit and a manufacturing method thereof. The drill bit comprises a drill bit shell, which is a hollow cylindrical structure with one end closed and the other end provided with drill teeth; a threaded hole is formed in the center of the closed end of the drill bit shell. The drill teeth comprise outer tooth structures and inner tooth structures. The outer tooth structures are multiple and evenly distributed along the outer edge of the end of the drill bit shell. The inner tooth structures are multiple and evenly distributed along the inner edge of the end of the drill bit shell. The outer edge of the outer tooth structure is larger than the outer edge of the end of the drill bit shell. The inner edge of the inner tooth structure is smaller than the inner edge of the end of the drill bit shell. The invention adopts split casting to ensure the structural strength of the drill teeth and the drill bit, and the processing technology is simple and easy to manufacture. In addition, the triangular drill teeth not only ensure the drilling efficiency, but also have strength and stability, and are easy to use.

The utility model relates to the technical field of drilling, in particular to an enhanced impact-resistant flat drill which comprises a handle portion and a cutting head, longitudinal axes of the handle portion and the cutting head coincide, the cutting head comprises a positioning head and a flat drill bit, the flat drill bit is fixedly connected with one end of the handle portion, and the positioning head comprises a straight thorn cone installed in the middle of the other end of the flat drill bit. The flat drill bits on the two sides of the handle portion are arranged in the mode that the two ends are thick and the middle is thin, and by means of the technical scheme, the impact resistance of the flat drill is improved, and the drilling efficiency is improved.

The utility model relates to the technical field of geotechnical engineering reconnaissance, in particular to an anti-deviation geotechnical engineering reconnaissance drilling machine which comprises a drilling machine body, anti-deviation assemblies are installed at the four corners of the drilling machine body, and an emergency braking assembly is arranged on the outer wall of the drilling machine body. And the deviation prevention assembly comprises an air cylinder moving rod, a lead screw is arranged in the air cylinder moving rod, a guide block is fixedly installed on the upper portion of the lead screw, and a nut pair is arranged on the outer wall of the lead screw. According to the reconnaissance drilling machine, due to the fact that the deviation preventing assembly is arranged, the drilling machine body is limited through the conical rod, when the reconnaissance drilling machine works subsequently, it is guaranteed that position deviation of the reconnaissance drilling machine is avoided, the drilling efficiency is guaranteed, and due to the fact that the emergency braking assembly is arranged, according to the lever principle, the rear wheel of the drilling machine body is lifted up; the situation that advancing of the drilling machine body cannot be stopped under the emergency condition is avoided, safety under the special condition is guaranteed, and practicability and functionality are improved.