436results about How to "Improve drilling quality" patented technology

In an earth drilling rig in which an air compressor and one or more hydraulic pumps are driven by the same engine, the intake throttle of the compressor is controlled by an electronic controller having a proportional integral derivative control. The controller minimizes unloading of the compressor, allowing the engine to operate more efficiently, the hydraulic system to provide more consistent power to drilling functions and the volume and pressure of compressed air to be optimized for the drilling conditions encountered. The electronic controller also operates a blowdown valve at the discharge side of an air receiver, and effects various overrides of the control system, for example when air discharge temperature approaches a critical level, or when an overpressure condition is detected.

The invention relates to a well drilling simulation test device. The well drilling simulation test device comprises a rock core clamping mechanism, a drilling mechanism, a pressing mechanism and a pressing control pipeline, wherein the rock core clamping mechanism and the drilling mechanism are concentrically arranged above and below a test frame; constant pressure liquid which is applied to the upper end of the rock core by a constant pressure pump of the pressing mechanism and constant pressure liquid or high pressure gas which is pressed on the rock core by a constant pressure pump of the drilling mechanism or a high pressure gas source are converged in a simulated cavity at the bottom of the well, and are controlled to flow out by the pressing control pipeline consisting of a filter, a back pressure device and a flowmeter; the back pressure device is connected with the high pressure gas source of the drilling mechanism and controls the pressure of the simulated cavity at the bottom of the well by controlling the gas supply pressure of the high pressure gas source; the pressing mechanism, a pressure sensor of the back pressure device and the flowmeter transmit signals to a computer; and change of related parameters is controlled by the computer program, so that various drilling schemes are simulated and tested, and indoor test data is provided for increasing drilling speed,improving drilling quality and reducing drilling cost.

The invention discloses an electric pulse rock-breaking dill bit and an experimental facility thereof. The electric pulse rock-breaking experimental facility comprises a confining pressure pumping station, a pulsed power supply, a PLC control device, a confining pressure cylinder horizontal-moving device, a water inlet and outlet pump, a confining pressure cylinder assembly, a high-pressure electric pulse rock-breaking drill bit body, and the like. The high-voltage pulsed power supply is used for transmitting high-voltage pulse electricity from a high voltage electrode to a low voltage electrode through a cable, the high-voltage pulse electricity meeting certain conditions breaks through rocks firstly to generate a discharge channel, a plasma channel expands when heated, when the pressureexceeds the stress intensity of the rocks, and the rocks are broken and the high-voltage pulse discharge drilling is realized. The high-pressure electric pulse rock-breaking experimental facility cansimulate the high voltage environment of deep drilling in the earth, electric pulse drilling experiments carried out on high temperature and high pressure deep wells and ultra-deep wells are more close to actual drilling environments, experimental studies on the geometrical shape, distribution, spacing and electrode materials of electrodes of high-voltage electric pulse rock-breaking drill bit inthe deep wells and the ultra-deep wells can be realized, and the high-voltage pulse discharge drilling has broad development prospects.

The invention discloses a rotating and clamping type drilling machine for workpieces. The rotating and clamping type drilling machine comprises a worktable, a rotary plate, a clamping plate, transverse sliding rails and lifting plates. The upper end of the worktable is connected with a gantry. A hydraulic cylinder is mounted in the middle of the top end of the gantry. The hydraulic cylinder is connected with a piston rod. The bottom end of the piston rod is connected with the clamping plate. An upper clamping groove is formed in the bottom of the clamping plate. The rotary plate is arranged below the clamping plate. A transverse adjusting block is connected to one end of each transverse sliding rail. A lifting stand column is mounted on the upper side of each transverse adjusting block. Alifting sliding rail is arranged on the side face of each lifting stand column. The lifting plates are slidably arranged in the lifting sliding rails. A lifting screw penetrates through each lifting plate. A drilling motor is mounted on each lifting plate. The drilling motors are connected with drilling bits through drilling rods. By the adoption of the rotating and clamping type drilling machinefor the workpieces, workpiece clamping and direction switching are achieved conveniently, machining of the workpieces is facilitated, and no multi-time clamping fixing and changing of the direction isneeded; and in cooperation with horizontal movement of transverse adjusting blocks and vertical movement of the lifting plates, the drilling work of the drilling bits is facilitated, and the drillingefficiency and quality are improved.

The invention discloses an automatic equidistance punching device for a metal strip plate, and relates to the technical field of metal plate punching. The automatic equidistance punching device comprises a bottom plate, wherein a bracket is fixedly arranged on the bottom plate; a fixed frame is mounted on the bracket in a sliding mode; a locking mechanism for metal plate clamping is arranged on the fixed frame; a rack I fixed with the fixed frame is in engaged connection at the upper side of an incomplete gear; a swing mechanism which is fixed with the fixed frame intermittently is arranged onthe bottom plate; and the swing mechanism comprises a rack II which is positioned at the lower side of the incomplete gear and is in engaged adaption to the incomplete gear. Each time the fixed frameof the automatic equidistance punching device drives the metal plate to leftwards move by certain distance, a drill bit moves downwards by certain distance to accomplish single-time drilling of the metal plate; in a step type leftward moving process of the metal plate, equidistance automatic drilling operation of the metal plate is accomplished, so that degree of automation is high; and meanwhile, the swing mechanism can be arranged to realize fixing effect during metal plate drilling, so that drilling quality of the metal plate is greatly improved.

A full-automatic plate material drilling machine comprises a machine frame, the machine frame is provided with a positioning frame for fixing a plate material and a drilling machine for drilling the plate material, the positioning frame is provided with a positioning groove for making the plate material placed longitudinally and positioned, the bottom of the positioning groove is provided with discharge ports, each discharge port is provided with a supporting limit block, and each supporting limit block is arranged on a first gas cylinder; the top of the positioning groove is connected with a feeding device, the feeding device comprises a placing frame, the placing frame is provided with a groove body for making the plate material transversely placed, the groove body is vertically arranged, the bottom of the groove body is provided with a supporting seat, the side edge of the bottom of the groove body is provided with a plate material outlet, and the supporting seat is provided with a second gas cylinder for pushing the plate material out of the plate material outlet; a guide channel is arranged between the plate material outlet and the top of the positioning groove.

The invention discloses a multistation numerical control drilling center of a high-precision super-long work piece. The drilling center provided by the invention comprises a host, a feeding system, a blanking system, a pneumatic and vacuum system, a drill adjusting, drill breaking and bald drilling detection and identification system and a CNC (Computer Numerical Control) and operation system, wherein a guide rail bracket is fixed on a main body rack; a linear guide rail is fixed on the guide rail bracket; a linear guide rail slide block is spliced and sheathed on the linear guide rail; a motor bracket is fixed by virtue of bolts or welded on the linear guide rail slide block; a variable frequency motor is fixed on the motor bracket by virtue of bolts; a ball screw and a drilling servo motor are fixed on the guide rail bracket and are connected by virtue of a coupler; a host hydraulic pressing mechanism comprises a hydraulic cylinder, a hydraulic pressing tool and a connecting rod; the hydraulic cylinder is fixed on the main body rack by virtue of bolts; and one end of the connecting rod is hinged with the hydraulic cylinder, and the other end of the connecting rod is hinged with the hydraulic pressing tool. By utilizing the multistation numerical control drilling center, the machining quality and the production efficiency of stainless steel belt holes can be improved, and the integral quality of a steel-aluminum composite conductor rail is guaranteed.

The invention discloses an automatic drilling frame for an instrument panel beam drilling device. The automatic drilling frame comprises a supporting frame and an electric drill. A supporting plate is arranged on the supporting frame. A sliding rail is arranged on the supporting plate. A sliding block is arranged on the sliding rail in a sliding fit mode. The two ends of the supporting plate are each provided with a baffle. An electric drill mounting plate is arranged on the sliding block. The electric drill is in rotating connection with the electric drill mounting plate through a mounting support. An electric drill positioning frame is arranged on the electric drill mounting plate. An air cylinder is arranged on one baffle. A piston rod of the air cylinder is connected with the sliding block after penetrating through the baffle. According to the automatic drilling frame, drilling can be rapidly completed, the drilling stability is good, and therefore the drilling efficiency and quality are improved.

The invention discloses a laser drilling and drilled-hole filling system and method. The laser drilling and drilled-hole filling system comprises a laser light source module, an incident beam rotary movement module, a beam rotation angle compression ratio adjustable module and a laser focusing and focus switching module. As the beam rotation angle compression ratio adjustable module is introduced, during high-speed rotation of laser, the beam rotation angle compression ratio of the beam rotation angle compression ratio adjustable module is adjusted to realize focus rotary movement track diameter adjustment of a focused beam, and the focus rotary movement track diameter is in adjustable perfect combination with the aperture of a drilled hole; a beam expansion ratio compensation module is introduced, so that when the beam rotation angle compression ratio adjustable module performs rotation angle compression on an incident rotary beam, the entry light spot diameter of the incident rotary beam is changed correspondingly, the stability of the focus light spot diameter of the focused beam is guaranteed, and the stability and the processing effect of the laser processing technology are facilitated.

The invention provides a drilling machine for machining bridge-cutoff aluminum alloy doors and windows, and relates to the technical field of machining. The drilling machine for machining the bridge-cutoff aluminum alloy doors and windows comprises a machine body, wherein a moving device is fixedly arranged at the bottom of the machine body, the moving device comprises spring columns, and transverse plates are fixedly arranged on the outer surface of the spring columns, sliding grooves are arranged in the lower surfaces of the transverse plates, and clamping rods are connected to the inner wall of the sliding grooves in a sliding mode, wheels are movably installed at the bottoms of the spring columns, and a water tank is fixedly arranged at the top of the machine body, the left side of thewater tank is communicated with a first water pipe, and the right side of the machine body is fixedly provided with a water pump. According to the drilling machine for the bridge-cutoff aluminum alloy doors and windows, water is used for eliminating and collecting dust, and the drill bits are subjected to heat dissipation by water, the health of an operator is protected, and the service life of the drill bits is prolonged, meanwhile, the water resources are recycled by the aid of a filtering device, and the environment-friendly theme of the current society is attached.

The invention discloses a combined machining method for blade air film holes and a device thereof, and relates to the field of non-traditional machining. The combined machining method comprises the steps that the air film holes with the needed size are rapidly drilled in a thermal barrier coating high-temperature alloy matrix through laser heating auxiliary drilling; secondly, a drill bit rotatingat a high speed serves as a cathode, blades serve as an anode, the drill bit moves up and down, online electrolysis aftertreatment is conducted on part of the air film holes of the metal matrix, andthe defects of residual stress, a heat affected zone and the like in the drilling process are eliminated; and meanwhile, tiny abrasive particles are suspended in the electrolyte, tiny impact scratching is conducted on the hole wall under the driving of the drill bit rotating at a high speed, the similar grinding and polishing effect is achieved, and the quality of the whole inner wall of the air film holes including the thermal barrier coating is further improved. The method is simple and easy to implement, laser transmission is not affected by the surrounding environment, the environmental adaptability is high, repeated tool setting is not needed, and the defects that the thermal barrier coating cannot be machined through a conventional electric machining method, the single crystal alloylaser machining efficiency is low, and thermal damage is likely to be generated are overcome.

The invention discloses a plate drilling device for computer production, and relates to the technical field related to computers. The plate drilling device comprises a base; one side of the top of the base is fixedly connected with a housing; the bottom of the inner wall of the housing is fixedly connected with a first motor; an output shaft of the first motor is fixedly connected with a first belt pulley; the surface of the first belt pulley is in transmission connection with a second belt pulley through a belt; one side of the second belt pulley is fixedly connected with a first gear; and the first gear is mutually engaged with a second gear fixedly arranged at the top of the inner wall of the housing. According to the plate drilling device for the computer production, the first motor works to drive a top plate to move and thus the height of the second motor is adjusted, so that the feeding is facilitated; the second motor works to drive a drill bit to rotate to drill a plate, so that different-depth drilling is realized; the position of the plate is adjusted by pushing a handle, and different positions of the plate are drilled; and the plate drilling device is simple and convenient in operation, high in drilling quality and good in using effect.

The invention relates to a drilling machine, in particular to an equidistant drilling machine for high-end equipment. The technical problem is to provide the equidistant drilling machine which can achieve automatic measurement and save time and labor and is used for the high-end equipment. According to the technical scheme, the equidistant drilling machine for the high-end equipment comprises a base, a support, a containing mechanism and a drilling mechanism, and the support is arranged on the base. The containing mechanism is arranged on the support. The drilling mechanism is arranged on one side of the base. Through cooperation of the containing mechanism, the drilling mechanism and a lifting mechanism, materials can be automatically drilled, and therefore manpower is saved.

The invention provides a drill bit position and posture optimizing method for robot drilling and belongs to the field of drill bit position and posture optimization and adjustment in robot drilling operation. The method comprises the following steps: firstly, building a robot drilling system based on a fringe projection method and visual servo control, performing system parameter calibration and performing off-line planning of robot drilling operation to obtain a series of route points; secondly, at each route point, calculating a phase diagram of the drill bit under the expected position andposture of the route point, and designing visual feature and deducing an interaction matrix and a visual servo control law; finally, optimizing the drill bit position and posture of each route point subjected to off-line planning by the visual servo control law until the visual servo convergence of each route point is completed to improve the perpendicularity of the axis of the drill bit and the section of a to-be-drilled point, so that the drilling quality and the surface flatness are improved. By the drill bit position and posture optimizing method for robot drilling, the advantages of highmeasuring precision of a fringe projection outline measuring method and high visual servo control precision are combined, and the position and posture of the drill bit in the actual robot drilling operation can be optimized effectively.

The invention relates to a rapid centre hole drilling tooling, which comprises a base, an upper V-shaped block, an intermediate V-shaped block, a lower V-shaped block, a clamping pressure plate and a height locating shaft; the base is L-shaped and composed of a transverse plate and a vertical plate; a sliding groove is arranged on the vertical plate; a locating key is respectively arranged on the upper V-shaped block, the intermediate V-shaped block and the lower V-shaped block; the locating key and the sliding groove are in sliding fit; the upper V-shaped block, the intermediate V-shaped block and the lower V-shaped block are fixedly connected with the vertical plate through a bolt; a pressure plate locating shaft is arranged on the intermediate V-shaped block; the clamping pressure plate is rotatably connected with the intermediate V-shaped block through the pressure plate locating shaft; the height locating shaft is fixed on the vertical plate through a locking bolt; and a semicircle is arranged at one side of the clamping pressure plate corresponding to the intermediate V-shaped block. After adopting the structure, a work-piece can be rapidly clamped by matching the clamping pressure plate with the V-shaped blocks; and the work-piece is put on and down conveniently and rapidly; and thus, the drilling quality is high.

The invention discloses a manual drilling machine for drilling holes in a thin plate. The manual drilling machine comprises a base, drilling screw rods, a drill bit clamping device, an adjusting device and a fixing device. Two parallel supporting plates are fixedly arranged at one end of the base, and two parallel guiding columns are fixedly arranged at the other end of the base. The supporting plates are provided with threaded holes I, the drilling screw rods penetrate through the threaded holes I in the two supporting plates to form a threaded pair, a hand wheel I is arranged at one end of each drilling screw rod, a threaded hole II is formed in the other end of each drilling screw rod, and the drilling screw rods are connected with the drill bit clamping device. The manual drilling machine is simple in structure, convenient to operate, safe and reliable, and capable of effectively solving the technical problem that an existing device can not be used for economically drilling holes in a single thin plate type part.