7715 results about "Drilling machines" patented technology

A flexible track drilling machine employs a pair of rails that are flexible in one direction to conform to a non-flat workpiece surface and are substantially stiff in a direction parallel to the workpiece surface. The rails are attached to the workpiece by vacuum cups spaced along each rail. An X-axis carriage is slidably mounted on the rails by rollers mounted on flexible spring plates affixed to the carriage. A drill or other device to be positioned is mounted on a Y-axis carriage that is slidably connected to the X-axis carriage. The three-dimensional surface of the workpiece is mathematically transformed into a two-dimensional flat pattern, and the positioning of the carriages is controlled based on the flat pattern.

Machine for ground drilling, with a circulating fluid, by the utilization of electric discharge generated by high-voltage pulses between electrodes. It may comprise: —A drill-bit 1 with electrodes movable relative to each other, so that bottom-hole physical contact be secured for all the electrodes 4 on all bottom-hole topographies. —Pointed hydraulic nozzles for jetting the fluid, to remove primary cuttings and with pressure expansion across the nozzles 7 at no less than 4 MPa. —A high-voltage pulse generator deployed down-hole at a minimum distance from the drill-bit 1. —A rotating or oscillating bit causing the borehole cross-sectional excavation to occur, and electric discharge between a plurality of electrodes situated on the bit face along one or a few radii and tangents. —A bottom hole assembly for annular hole-making with core storage, transportation, down-hole closed loop discharge fluid circulation. A discharge fluid storage may be incorporated. A drilling method is also described.

The invention discloses a T-shaped stirring drilling machine. A motor A, a motor B, a motor C, a motor D, a motor E, a motor F and a motor G form a T-shaped structure; the motor A and the motor B, the motor B and the motor C, the motor C and the motor D, the motor D and the motor E, as well as the motor F and the motor G are fixedly connected through a connection rod A; the motor C is fixedly connected with the motor F through a connection rod B; the lower end of a drilling rod is fixed at the gravity center position of the T-shaped structure and is fixed on the connection rod B; a connection rod C is fixed on the right of the motor E; an arc-shaped plate is fixed at the right end of the connection rod C; the position, which leftwards rotates by 120 degrees by taking the center of the motor E as a circle center, of the connection rod C is fixed on a connection rod E; an arc-shaped plate is fixed at the outer end of the connection rod E; the position, which rightwards rotates by 120 degrees by taking the center of the motor E as the circle center, of the connection rod C is fixed on a connection rod D, and an arc-shaped plate is also fixed at the outer end of the connection rod D.

The invention discloses a simple and convenient thin metal sheet drilling machine device. The device comprises a device body. An operating groove is formed in the end face of the right side of the device body. A switching cavity is formed in the portion, on the left side of the operating groove, of the device body. A first inner spline shaft and a second inner spline shaft are arranged on the inner walls of the upper side and the lower side of the switching cavity correspondingly. A first sliding groove is formed in the inner wall of the left side of the switching cavity. A sediment groove is formed in the inner bottom wall of the first sliding groove. A first guide rod is arranged between the inner bottom wall of the sediment groove and the inner top wall of the first sliding groove. A first sliding block extending rightwards is slidably connected to the first guide rod in a matched mode. A first spring is arranged on the outer surface of the first guide rod located at the bottom of the first sliding block in a surrounding mode. A right extending section of the first sliding block extends into the switching cavity and abuts against the inner wall of the right side of the switching cavity in a sliding fit mode. A motor is arranged in the first sliding block in the switching cavity. Driving shafts are arranged at the ends of the upper side and the lower side of the motor. A transmission cavity is formed in the portion, above the switching cavity, in the device body. The device is simple in structure, convenient to operate, low in manufacturing and maintaining cost, high in drilling speed and stability and good in drilling quality.

A pocket-hole drilling apparatus for drilling pocket-holes in a workpiece is disclosed. In one embodiment, an initiation switch actuates clamping the workpiece and the movement of a drilling module to cut a pocket-hole. The drilling module has a motor and a step-drill mounted thereon, which is slidably mounted on a guide module. The axis of the drilling module movement intersects work surface. In another embodiment, a movable fence provides the adjustability of pocket-hole depth. In yet another embodiment, two actuator tips are disposed in a fence to prevent the drilling of a pocket-hole through the sidewall of a workpiece. In still another embodiment, a short stroke clamping actuator is used to prevent human finger injury. In still another embodiment, a blower or an ejector pump is used to remove wood chips, wherein the blower is either attached to a drilling motor or to a separate blower motor; the ejector pump is mounted near the drill guide. In still another embodiment, two pocket-drills are slidably mounted on a block so as to drill two pocket-holes and to adjust pocket-hole spacing. In still another embodiment, a mounting structure is disposed either underneath or above the work surface to mount drilling module(s) so as to drill multiple pocket-holes into a wide workpiece at one setup. In still another embodiment, a drill guide forms a clearance for the cutting edges of the step-drill to minimize wear on the edges. In a further embodiment, an actuator provides both clamping and drilling movements, wherein the actuator is an electric motor or a hand lever.

The invention relates to a method for integrated comprehensive management of gas in a low-permeability single coal bed, which can effectively solve the problem of comprehensive management and utilization of the gas. A technical scheme of the method comprises the following steps of: firstly, drilling holes, wherein a high-torque drilling machine and a rifle or a trihedral drill stem are used for solving the phenomenon of clamping the drill stem caused by collapsing and jetting of the holes in the hole drilling process; and then, performing hydraulic fracturing permeability improvement on the coal body, drilling holes for pre-split blasting, performing gas drainage, and recycling the drained gas, thereby implementing the integrated management of the gas. With the method provided by the invention, the permeability of the coal body is improved, a pre-draining rate of the gas is improved, and the drained gas is recycled, so that the drilled holes are radically prevented from being blocked in the construction process, the problem of difficulties in draining the gas in the low-permeability coal bed with a drilling tool having insufficient capability in the drilling construction is solved, consequently, outburst risk of the coal and the gas is reduced, outburst accidents of the coal and the gas are reduced and even avoided, and mine production safety and lives of coal mine workers are ensured, so that the method brings great economic and social benefits.

A drilling machine and drilling rig for exploratory drillings and producing wells, include a base mounting atop drive, and a multifunctional gripper for gripping drilling pipe from a stock and to be raised on the base for eventual positions positioning at a well center, an elevator being provided below the top drive. The base can be rotatably mounted and have a live ring at a base lower end region, the base being rotated to the pipe stock location and being rotatable to a well center as well. A drilling pipe upper end when raised on the base can be connected to the top drive, and an iron roughneck on a rig floor can be used to connect a pipe lower end to a pipe section in the well. Where two drilling machine are used, one can be used for actual drilling at the well center, and the second supplied with pipework for the operation.

The invention relates to a Y-shaped agitating pile drilling machine for reinforcing a soft land. A retracting oil jack drives three groups of agitating assemblies to move through a transmission rod A, a transmission rod B and a transmission rod C; a 120-degree angle is formed on a space by the three groups of the agitating assemblies; the section of a pile body formed by the Y-shaped agitating pile drilling machine is Y-shaped; the pile body of a Y-shaped agitating pile with the same volume is the pile body of the agitating pile, which has a circular section; and the bearing capability is greatly improved.

The invention relates to a non-excavation tube pulling construction method which comprises the following steps: (1) preparation work: understanding stratum and underground condition, calculating the number of chambering and the size of a return compandor, and formulating the control data of a pipeline midline and elevation and correction measures; (2) measuring plane surface, controlling payingoff, and measuring the elevation of each pile; (3) setting an active well, and receiving and setting a drilling machine; (4) preparing drilling fluid; (5) drilling pilot holes,; (6) adopting the compandor to chambering, cleaning the hole at the same time, and protecting walls with slurry; (7) welding the pipeline; (8) pulling the tube, and simultaneously pulling a steel tube with the same length as that of the tube; (9) casting slip and fixing; (10) mounting tubes; (11) testing pressure and flushing. The invention can effectively increases economical benefit and social benefit, and has the advantages of environmental protection and energy saving.

The invention relates to a power tool, such as an impact drilling machine, impact screwdriver, saber saws, grinders, or the like, comprising a housing. In the housing, an electric motor and an electric or electronic module that is attached to holders in the housing, for example, an electric switch or electronics, are provided. Between the holders in the housing and the electrical or electronic modules, a vibration decoupling element is disposed.

The invention relates to a double-drive coaxial forward and reverse output spiral rock-entering drilling machine which comprises double input motors, an input shaft, an output shaft, an outer sleeve, four cycloid gear mechanisms and four planetary speed reduction mechanisms. The double input motors are respectively meshed with a gear wheel on the input shaft via pinions, the outer sleeve is coaxially sleeved on the output shaft via a bearing, four eccentric bearings are serially connected into the input shaft and are respectively connected into center holes of four cycloid gears, outer gears are arranged on the outer sides of the cycloid gears and are meshed with internal teeth of a housing case, outer holes are respectively formed in the left side and the right side of each cycloid gear, pins are respectively coaxially and movably arranged in the outer holes and are connected with the output shaft, a center wheel is connected onto the output shaft, and planet gears are uniformly distributed at the peripheral edge of the center wheel in a meshed manner and are meshed with an inner gear ring of the outer sleeve.

The invention discloses an automatic operation system of a drilling string. The automatic operation system mainly consists of an automatic catwalk machine, a drilling floor manipulator, a power clip, an iron driller, a power hanging clip, a monkey board pipe arrangement manipulator, a top drive, a winch, a driller integrating control system and the like. The automatic operation system has the advantages that after the automatic operation system is arranged on a petroleum drilling machine, the automatic drilling operations, such as lifting and lowering of the drilling string in the drilling floor, drilling, drill lifting, drill lowering, and stand discharging, are realized; the automation degree of the drilling machine is improved, and the problems of high labor intensity, high risk and low efficiency caused by overhead operation and multi-person matching operation in the existing drilling string operation method are solved; the defects of decreasing of local labor intensity, and failure of reducing of number of operators and improvement of operation efficiency caused by using of one or several automatic devices of the existing drilling machine are overcome.

A multi-function multi-hole rig is disclosed which, in certain aspects, includes multiple machines for accomplishing rig functions, e.g. drilling machine(s), tripping machine(s), casing machine(s), and/or cementing machine(s), for producing multiple usable wellbores one after the other. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).

The invention relates to a compound vibration drilling device which is applied to various drilling machines and the drilling procedure of a processing center. The compound vibration drilling device mainly consists of three parts, namely a machine body, an ultrasonic torsion vibration system and a low-frequency axial vibration system, wherein the machine body plays a role of connecting and fixing the other two parts on the basis of the original processing function. The compound vibration drilling device realizes required ultrasonic torsion vibration by enabling the ultrasonic torsion vibration system to drive a drilling bit; the low-frequency axial vibration system drives a workpiece to realize low-frequency axial vibration; proper rotating speed and feeding amount can be selected by a drilling parameter setting system of the machine to perform compound vibration drilling processing. The compound vibration drilling device has the characteristics of high structural generality, high material applicability and the like, can develop respective advantages of different vibration drilling methods in ultrasonic, low frequency, torsion and axial direction, and is favorable for improving the drilling quality and realizing high-precision inner-hole drilling.

A power assisted drill press having a feed cylinder fed by a variable pressure regulator which allows a user to controllably feed a bit and work material together while activating a drill motor to rotate the bit. An embodiment of the power assisted drill press utilizes a suction cup and venturi system for attachment of the press to a surface work material. The drill press uniquely allows a person to variably activate the feed cylinder and also activate the drill motor with a single hand.

A power tool control system connected with a drill press provides a system for determining operational settings for the drill press and/or structural factors of a workpiece to be operated upon by the drill press. For instance, the power tool control system may establish a visual indication of the axis of operation of the drill press upon a workpiece and/or determine the thickness, structural composition, and/or moisture content of a workpiece. The determined axis of operation and/or structural factor is utilized to determine the operational settings of the power tool.

The invention provides a multi-station speed-governing numerically-controlled drilling machine, which comprises a machine tool body in vertical arrangement. A rotary table device and a tool are arranged on the machine tool body. The tool is arranged above the rotary table device. The rotary table device comprises a rotary motion control servo motor and a rotary table, and drives the rotation of the rotary table by the rotary motion control servo motor. A plurality of stations are arranged on the rotary table. The tool comprises a plurality of integral type tool units. Each integral type tool unit is connected with a feed servo motor, and controls the feeding of the tool in the integral type tool units by using the feed servo motor. Each integral type tool unit is provided with a speed-governing motor, and controls the rotation speed of the tool by the speed-governing motor. The multi-station speed-governing numerically-controlled drilling machine machines a plurality of parts at the same time and finishes the multi-operation machining of the same one hole or hole system by the rotation of the rotary table so as to machine the multi-station streamline part, improve the production efficiency and reduce the labor number.

The invention belongs to the technical field of pipe whip restraint steel structures of main power houses of nuclear power station conventional islands, in particular to a production process method of the pipe whip restraint steel structure of the main power house of the nuclear power station conventional island, which comprises the lofting process, the marking-off and scribing process, the cutting processing process, the bevel processing process, the hole-making process, the correction process, the polishing surface, the material splicing process, the pre-splicing process of a steel member, the assembly process, the processing process of a friction surface, the welding process of the steel structure and the anti-slip test of the friction surface of the steel member before leaving a factory, sandblasting, derusting and coating of a base coat are carried out in the factory, and the production of the steel structure is divided into the production processing of a welded H-shaped steel column, the production of a steel beam, the assembly and the welding of a support part, the production of a combined steel beam, the assembly and the welding of a girder box body and an inclined support below the girder box body, and the assembly and the welding of a pipe whip restraint key. The production process method can improve the drilling precision, utilize a numerical control planar drilling machine to complete the drilling on a gusset plate, determine a variety of processing processes and welding process parameters, and ensure the dimension of the member after the assembly and the smooth proceeding of field installation.

The invention discloses a double-layer internal deslagging and anti-blocking drilling tool for soft and outburst coal seam drilling, and a use method of the drilling tool. The drilling tool comprises a rotary sealing water supply device or a rotary sealing air supply device, a double-layer internal deslagging and anti-blocking drilling rod and a central backflow drilling bit, wherein the rotary sealing water supply device or the rotary sealing air supply device is connected with the double-layer internal deslagging and anti-blocking drilling rod on a drilling machine, and the central backflow drilling bit is mounted at the front end of the double-layer internal deslagging and anti-blocking drilling rod. The use method of the drilling tool comprises the steps that a drilling system is started; an air flow or a water flow enters an outer layer channel of the double-layer internal deslagging and anti-blocking drilling rod and reaches the bottom of a drilling hole; the air flow or the water flow reverses out drilling cuttings formed by drilling bit coal breaking along an inner layer channel of the double-layer internal deslagging and anti-blocking drilling rod to enter a slag tapping dust collector connected with the tail part of the drilling rod; and deslagging and dust collection are accomplished. The drilling tool is novel in design; the deslagging is accomplished in a cavity of the drilling rod, so that influences of drilling hole shrinkage and hole wall buckling failure on a drilling hole deslagging space can be avoided effectively; the deslagging is accomplished in the inner layer channel of the drilling rod, so that the dust collection is more effective; and drilling, anti-sloughing and dust collection integrated operation is realized.

The invention relates to the field of oil-field drilling operation and provides an automatic control system and method of a petroleum drilling machine. The automatic control system comprises a master station and a plurality of slave stations, wherein a winch, an automatic driller, a rotary table and a mud pump are centrally controlled so that processes of well drilling operation can be dynamically, accurately and automatically controlled and good operation environment and work environment are provided for operating personnel.

The invention discloses a test device of a model for manufacturing rock masses containing interlayers and a test method thereof. The test device of the model for manufacturing the rock masses containing interlayers comprises a semicircular angle device, an upper baffle, a lower baffle, a left side plate, a right side plate, a circular turntable, a core-drilling machine drill bit, a flat plate, a flat plate angle control rod, a fixed screw rod, a base plate, an interlayer model test piece, a U-shaped plate and a guide slot. The test method comprises the following test steps: arranging the rock masses according to an outline central line and fixing the rock masses; manufacturing interlayer materials and casting the model, fastening the test piece, drilling the core, replacing the core-drilling machine drill bit, changing the position of the test piece to drill repeatedly and cutting to obtain the test pieces with different height-diameter ratios or obtain the test pieces with different interlayer inclination angles; then carrying out mechanical test. The test device is simple in structure and suitable for manufacturing the test pieces with different interlayer thicknesses, inclination angles and height-diameter ratios; according to a core-drilling and cutting machining device, by making full use of the existing device, the influence on the mechanical properties of the test pieces caused by different conditions can be analyzed, coring of irregular rock samples taken in the site can be carried out directly, so that the test efficiency is improved and the test time is shortened.

The invention discloses a slurry wall protection construction method for a bored pile. The slurry wall protection construction method includes the following steps that step 1, a pile hole is positioned; step 2, a pile casing is buried; step 3, a drilling machine is in place; step 4, qualified slurry is prepared; step 5, hole forming and hole clearing are performed; step 6, a steel reinforcement cage is lifted for placing; step 7, underwater concrete is cast. According to the slurry wall protection construction method for the bored pile, operation is easy, the problems that the pile hole deviates, and pile body concrete is mixed with slurry are solved, and the construction method is suitable for slurry wall protection hole forming bored pile engineering of soft and hard soil layers high in underground water level in industrial and civil buildings.

The invention discloses a semi-automatic drill lathe which comprises a machine frame, a first spindle, a second spindle, a power system, a feeding mechanism, a positioning mechanism, a clamping mechanism and a knife feed mechanism, wherein the power system comprises a motor, a belt transmission unit and a gear transmission unit; power output by the motor is divided into two parts through the belt transmission unit and the gear transmission unit; one part of the power is transmitted to the feeding mechanism through a bevel gear, so as to control the feeding and withdrawing of the feeding mechanism; the other part of the power is transmitted to the first spindle; the clamping mechanism is controlled through the rotation of the cam driven by the first spindle; the first spindle transmits the power to the second spindle through chain transmission, so as to control the cam to rotate, and control the positioning mechanism to position a workpiece; a rack of the knife feed mechanism and a drill conduct reciprocating linear motion under the control of a gear. The semi-automatic drill lathe is simple in structure, compact in integral structure, stable in work, and worth of popularization.

The invention relates to a gas drainage method combining surface and underground fracturing and permeability improvement, and the method comprises the following steps: building underground large-diameter directional long boreholes in a coal reservoir or the top and bottom plates thereof under a coal mine by using a drilling machine; then building pressure relief holes in a coal bed having an appropriate distance with the large-diameter directional long boreholes; building vertical wells communicated with an underground large-diameter directional long borehole filed or nearby roadways thereof from the ground to the underground; firmly connecting large ground fracturing equipment, a ground vertical well shaft and the underground large-diameter directional long boreholes by using high pressure pipelines; carrying out fracturing on each underground large-diameter directional long borehole by using the large ground fracturing equipment to form a three-dimensional fracture network; discharging water in the underground large-diameter directional long boreholes and then carrying out continuous pressure extraction on fracturing holes and the pressure relief holes; and quickly extracting out the coal bed gas through negative pressure by using the three-dimensional fracture network. According to the invention, the coal bed gas can be extracted out quickly with high efficiency by using the three-dimensional fracture network and negative pressure, thereby providing a technical guarantee for safe and high-efficiency production of mines; and the method has the advantage of wide application prospect.

The present invention is cooled drilling tool and drilling process for protuberant coal bed. The drilling tool includes one cooled drill stem with surface spiral conveying slot for penetrating the drilled hole and carrying out friction heat from the drill stem, and one antijamming drill bit assembly connected to the cooled drill stem and comprising one drill bit and one non-return valve member to prevent the drill stem hole from blocking with coal slag. The drilling process includes the following steps: providing the drill stem with high pressure air source and starting the drilling machine to drill, and lowering the rotation speed and stopping propelling while the drilling machine rotates after partial jamming of the drill stem to lower the temperature of the drill tool and penetrate the drilled hole. The present invention can improve the effect of drilling in protuberant coal bed.

The invention discloses an advanced detection device and method for unfavorable geology and rock mass mechanical properties of deep and long tunnels. The device comprises a drilling machine, a sensing system, a data conversion system and a data analysis system. The sensing system is installed on the drilling machine; the sensing system, the data conversion system and the data analysis system are connected successively; and the sensing system comprises a drill bit displacement acquisition unit, a rotation speed acquisition unit and a pressure acquisition unit. According to the advanced detection device and method, boreholes and borehole radars are combined, and a sensor technology is used for acquiring parameters of rotation speeds, drill bit displacement, torque, propulsion, impact energy, pumping pressure and the like in real time, and accordingly, rock mass physical and mechanical parameters and joint fissure distribution and occurrences in the geologic body within 30 meters ahead are forecast accurately, whether water body situations exist in a 10m range around a borehole is detected accurately, the cost is low, and the occupied construction time is short.

The invention relates to a soft foundation reinforcing method of the existing railway or highway subgrade construction, which comprises the following steps of: constructing vertical chemical churning piles on the side slope and the slope toe of a subgrade to be reinforced; after the vertical chemical churning piles are cured, drilling a plug hole tilting toward the center line of a track and extending into the soft foundation in the side slope by using a drilling machine; and performing shock tube grouting in the plug hole. A sizing agent in the plug hole permeates towards the periphery of the foundation, the cured sizing agent, the vertical chemical churning piles and the foundation form an integrated reinforcing block, and thus, the reinforcement of the railway or highway subgrade construction is completed. Compared with the traditional single technique, the method has the advantages of no construction transition, no traveling interruption and no reinforcing dead zone by adopting the vertical chemical churning piles together with a shock tube grouting technique. The advantages of both the vertical chemical churning piles and the shock tube grouting technique are fully exerted, and the safety and the quality are controllable.

A process for controlling and a core drilling machine (1) having an electrical motor (2) for rotational drive of a core drill bit (3) having cutting edges (5) oriented axial to a work piece (4), a feeding means (6) for generating the feed of the core drill bit (3) against the work piece (4) and having a controller (7) for controlling, relative to a first one-to-one control parameter, detected by a sensor (8, 8′) for electrical power consumption (P) or torque (M). A force sensor (9, 9′) is connected to the controller (7) for detecting the contact pressing force (F_N) of the core drill bit (3) as the second control parameter.

The invention discloses a gas drainage system for hyposmosis soft coal seams, which comprises a power device mechanism, a drilling-pressing-pumping integrated mechanism, and a metering mechanism. The power device mechanism comprises an air compressor and an air drilling machine; the drilling-pressing-pumping integrated mechanism comprises a rotary blowout preventer, a boosting pipeline, a drill pipe, a multiple-completion packer, an inner drill pipe connector, a power motor, an electromotor, and an auto-reducing and reaming triple-wing drill bit. The air compressor is sealed and communicated with the inner drill pipe through a high pressure hose; moreover, a control valve, a flowmeter and a pressure meter are arranged on the high pressure hose. The invention also discloses a method using the system to pump gas. The system not only can be used for drilling to make up the difficulty of inconvenient transformation of the gravitation of the soft coal seams, but also can timely implement pressing and cave forming on coal bodies to pump gas after drilling. The method integrates drilling with pressing and cave forming, and improves the ventilation property of the coal seams through cave forming. Integration of drilling, pressing and pumping effectively prevents the problem that transformation of a reservoir can not be continued due to collapse of coal holes to a certain extent.

A core-drilling device (10) comprising a drilling machine (3) with a core drill (4), a drill stand (2), a feeding housing suspending the drilling machine and which is movable along the stand, an electric drilling motor for rotation of the core drill in the drilling machine and a feeding unit (19) with an electric feeding motor (17) for the feeding of the feeding housing along the stand. A control unit (30), which is electrically connected to the feeding unit, comprises at least a first control (33) for manual influence of the feeding motor's (17) feeding force.