36results about How to "Convenient blessing" patented technology

The invention discloses a current-assisted rapid hot forming device and method for long and thin high-strength-steel structural components, relates to the technical field of high-strength-steel hot forming, particularly relates to a current-assisted self-resistance heating forming device and method and solves the problems that existing rapid hot forming devices are complicated to energize and existing rapid hot forming methods are applied to materials of low melting points and low hardness. The device comprises a power supply, a die, a pair of sheet clamping electrodes, two cushion blocks and two insulating mica sheets, the power supply, the sheet clamping electrodes and a sheet to be formed form an energized loop, the sheet clamping electrodes and the rest part of the die are insulated, insulation is achieved through the high-temperature-resistant insulating mica sheets, and the sheet to be formed is not in contact with the die. The method comprises that joule resistance heat produced by a current passing the sheet is used for heating the sheet directly, and after the forming temperature is reached, the rapid in-situ stamping forming is conducted. The device and the method are used for manufacturing the high-strength-steel structural components for vehicles.

The invention discloses a long-stroke parallel opening and closing type cylindrical pneumatic intelligent industrial robot finger unit. The finger unit comprises a mounting seat, and rotating seats are arranged at the two ends of the upper surface of the mounting seat; a power threaded rod is rotatably connected to the interiors of the rotating seats; the outer surface of the power threaded rod is in threaded connection with connecting seats through power threaded holes; adjusting grooves are formed in the two sides of the front end of the upper surface of the mounting seat; adjusting threaded holes are formed in the surfaces of the outer sides of the adjusting grooves; the interiors of the adjusting threaded holes are in threaded connection with adjusting threaded rods; the surfaces of the front ends of the adjusting threaded rods are rotatably connected with adjusting seats; the upper surfaces of the adjusting seats are rotatably connected with connecting rods through rotating shafts; supporting rods are fixedly mounted on the surfaces of the front sides of the connecting rods through bolts; the surfaces of the front ends of the supporting rods are fixedly connected with supporting seats; and rotating holes are formed in the centers of the surfaces of the front ends of the supporting seats. According to the industrial robot finger unit, adaptability of mechanical arms can be greatly improved, and production efficiency is effectively improved.

The invention discloses an electric tree test device for a silicone rubber material for cable accessories and a sample manufacturing method. The method includes the steps of adding semi-conductive silicone rubber into xylene, then spraying and curing the surface of a silicone rubber insulation sample, then cutting the silicone rubber insulation sample into a high-voltage electrode with a triangular longitudinal section end part, then adhering the high-voltage electrode to the surface of the silicone rubber insulation sample, and carrying out high-temperature vulcanization to obtain a piezoelectric electrode silicone rubber sample; putting the piezoelectric electrode silicon rubber sample wafer into a mold, injecting glue, and carrying out high-temperature vulcanization to obtain a sample;and cutting at a position 2 mm away from the tip of the high-voltage electrode, and adhering a ground electrode with a flat plate structure to the section. The tip of the high-voltage electrode does not have air gaps and cracks under large mechanical deformation by adopting the test sample provided by the invention. Moreover, an electrical tree in an actual cable accessory is generally developed from semiconduction to insulation, and the semiconductive material as a high-voltage electrode is more similar to the actual working condition of the cable accessory.

The invention belongs to the technical field of welding clamps, and particularly relates to an H-type steel welding clamping clamp. The H-type steel welding clamping clamp comprises a base, a two-sidecentering clamping mechanism and a two-end clamping overturning mechanism; the two-side centering clamping mechanism and the two-end clamping overturning mechanism are arranged on the base; the two-end clamping overturning mechanism can clamp the two ends of a middle steel plate and fixes the middle steel plate onto the base; the two-side centering clamping mechanism can center two steel plates simultaneously to the middle steel plate located on the base for welding machining to form H-type steel; and after one side of the H-type steel is welded and machined, the two-end clamping overturningmechanism can overturn the middle steel plate by 180 degrees for machining the other side of the H-type steel. According to the H-type steel welding clamping clamp, the three steel plates can be clamped and centered and make contact quickly, and the inclination angle is adjusted to facilitate gathering of a submerged arc welding agent for welding.

The invention provides a support device for a public service advertising board, and relates to the technical field of public service advertising boards. The support device for the public service advertising board comprises a device body, the device body comprises a base, supporting plates, a stretching device and a supporting device, two supporting plates are fixedly connected to the left and right parts of the top of the base, the two supporting plates are fixedly connected through the stretching device, the stretching device comprises a first vertical plate and a second vertical plate, and the left side of the first vertical plate is fixedly connected with the right side of one supporting plate. According to the support device for the public service advertising board, by arranging the stretching device, the first vertical plate, the second vertical plate, a threaded rod, a driving device, a threaded pipe, a first stretchable rod, a first movable plate, a second stretchable rod and asecond movable plate, the positions of the first movable plate and the second movable plate are adjusted, advertising boards of different sizes and specifications can be fixed conveniently, and manualadjustment of workers is not needed.

The invention discloses a steel bar clamping device for building construction. The steel bar clamping device for building construction comprises a first connecting rod, a second connecting rod is arranged on the rear side of the first connecting rod, and connecting blocks are arranged in the middles of the outer side faces of the first connecting rod and the second connecting rod correspondingly.Arc-shaped baffles are arranged below the connecting blocks, the upper ends of the outer side faces of the arc-shaped baffles are connected with the lower surfaces of the connecting blocks through second supporting frames, and two supporting plates which are symmetrically arranged in the front-back direction are arranged on the front side and the rear side of the outer side face of each arc-shapedbaffle. Two supporting legs which are symmetrically arranged in the left-right direction are arranged on the left side and the right side of the lower surface of each supporting plate. The steel barclamping device for building construction is simple in structure, convenient to operate, small in occupied space during using and capable of rapidly clamping a steel bar and bring convenience to transporting of the steel bar in a building site; through arrangement of locking universal wheels, the steel bar clamping device can very conveniently move; through lifting rings, the steel bar clamping device can be rapidly lifted; and through a manual winch, steel can be clamped.

The invention discloses a clamping tool for household appliance part production. The clamping tool comprises a bottom plate, a base is fixedly connected to the upper surface of the bottom plate, a mounting frame is rotationally connected to the side wall, close to the top, of the base through a rotating mechanism, a cylindrical sleeve is rotationally connected to the lower surface, close to the middle, of the mounting frame, teeth are arranged on the outer wall, close to the top, of the cylindrical sleeve, the arc-shaped contour of the teeth is meshed with an annularly-arranged gear, the gear is rotationally installed inside the mounting frame, a ratchet mechanism enabling the mounting frame to rotate in one direction is connected between the gear and the inner wall of the mounting frame, a supporting plate is fixedly connected to the upper surface, close to the middle, of the mounting frame, a soot blowing mechanism for cleaning the supporting plate is connected to the top of the cylindrical sleeve, and a clamping mechanism for fixing a workpiece is connected to the upper surface of the mounting frame. According to the clamping tool, through the ingenious design of the structure, irregular electric appliance parts can be conveniently clamped, the application range is widened, and the practicability is high.

The invention discloses a method for detecting nonmetallic inclusions in steel. The method comprises the following steps: S1, sampling from an ingot or casting blank of to-be-detected steel, preparinga tensile sample, heating and insulating the tensile sample to carbonize and dissolve the tensile sample, then quickly cooling, and cleaning the surface to obtain a to-be-detected tensile sample; S2,carrying out tensile failure on the to-be-detected tensile sample; and S3, observing the morphology of the non-metallic inclusions in the tensile fracture by adopting SEM, measuring the sizes of thenonmetallic inclusions, carrying out statistics, detecting the components of the nonmetallic inclusions by adopting EDS, and analyzing the components of the inclusions in each size section according to an EDS result so as to realize the detection of the nonmetallic inclusions in the steel. The detection means is simple and convenient, the morphology of the nonmetallic inclusions in the steel is not damaged, and the research of the quality of steel products by the nonmetallic inclusions in the steel is facilitated.

The invention discloses a pressure self-balance ultrahigh pressure seal water swivel. The pressure self-balance ultrahigh pressure seal water swivel comprises a mandrel, a water swivel shell, a gland,a pressing wire, a transition pressing disc, rotating bearings, and a thrust ball bearing. The mandrel penetrates through the gland, the bearings, the transition pressing disc and the pressing wire to be arranged in the water swivel shell, the rotating bearings are arranged on the two sides of a shoulder of the mandrel to enable the mandrel to be supported in the water swivel shell, the transition pressing disc achieves the transition effect of converting two bearing stress directions to axial direction from radial direction between the rotating bearings and the thrust ball bearing, the gland is arranged on the right end of the water swivel shell, a seal part is arranged between an end cover and the mandrel, a seal part is arranged between the end cover and the water swivel shell, a water passing hole is formed in the mandrel, and communicates with a water draining hole in the left end of the water swivel shell, a high-pressure seal part is arranged at the fit position of the left end in the water swivel shell and the mandrel, the interior of the mandrel is isolated from the high-pressure water led by the water swivel to achieve the seal effect, and a thread matched with the drill rod is arranged on the left end of the water swivel shell. The water swivel can be connected with the drill rod, the mandrel is not moved along with rotation of the drill rod, large pressure can beborne, and the advantages of being convenient to connect, wear-resisting and good in seal can be achieved.

A construction steel bar cutoff device comprises a working plate (1), a measuring mechanism and clamping mechanisms, and is characterized in that a mounting groove is formed in the working plate (1); the measuring mechanism comprises a first fixed plate (2) and a second fixed plate (3), and the bottom end of the first fixed plate (2) is fixedly connected with the working plate (1); and the multiple clamping mechanisms are arranged, the clamping mechanisms comprise lower clamping plates (12), and the bottom ends of the lower clamping plates (12) are fixedly connected with the working plate (1). The construction steel bar cutoff device has the advantages that the manner that steel bars are manually fixed when cut by a cutting mechanism is improved, and use safety and the working efficiency are improved.

The invention discloses a novel burr remover which comprises a baseplate, wherein a first sliding slot is arranged in the horizontal direction of the upper side of the baseplate; a first limiting plate which is slidably connected with the first sliding slot is arranged in the first sliding slot; a first supporting plate which is fixedly connected with the first limiting plate is arranged on the upper side of the first limiting plate; a rotating rod which is rotationally connected with the first supporting plate is arranged in the horizontal direction of the first supporting plate in an inserting manner; a clamping device is arranged at the right end of the rotating rod; a limiting device which is slidably connected with the rotating rod is connected onto the rotating rod in a sleeving manner; a second sliding slot is arranged on the upper side of the baseplate; the first sliding slot is perpendicular to the second sliding slot; a second limiting plate which is slidably connected with the second sliding slot is arranged in the second sliding slot; and a second supporting plate which is fixedly connected with the second limiting plate is arranged on the upper side of the second limiting plate. The novel burr remover disclosed by the invention has the advantages that a steering device is added to the clamping device for a workpiece, so that the workpiece can be driven to rotate aslong as the steering device is rotated during the workpiece machining process, the clamping of the workpiece is no longer needed, and the workpiece machining efficiency can be improved.

The invention relates to the technical field of robots, in particular to an industrial robot connecting base facilitating angle adjustment and a using method thereof.The industrial robot connecting base comprises a chassis, a first rotating shaft is arranged at the top end of the chassis, a shaft rod sleeves the circumferential inner wall of the first rotating shaft, a first gear sleeves the circumferential outer wall of the shaft rod, and a connecting plate is arranged at the top end of the first shaft rod; a first motor is arranged at the bottom end of the connecting plate, a control cabinet is arranged at the bottom end of the connecting plate, a first square hole is formed in the front end of the control cabinet, telescopic rods are arranged at the four corners of the top end of the connecting plate, the bottom end of each screw rod penetrates through the corresponding clamping claw and extends into the corresponding clamping claw, and a second rotating shaft is arranged at the bottom end of each screw rod. And a pressing plate is arranged in each clamping claw, and a first connecting plate and a second connecting plate are connected between the left side wall and the right side wall of the control cabinet, so that angle inclination can be achieved, the operation angle and radius are increased, and the practicability is high.

The invention discloses a method for judging inclusion group flaws in a flat metal plate by using a double-crystal straight probe and belongs to the technical field of mechanical engineering raw material ultrasonic testing. An ultrasonic flaw detector provided with a 5P[Phi]20F10 double-crystal straight probe is selected to perform flaw detection. After a flaw position is found out, an image on the display screen of the ultrasonic flaw detector is observed. It can be judged that the flaw is a inclusion group when the image satisfies the following conditions that: flaw waves F and first-time bottom surface echoes B1 exist simultaneously, and the wave height of the flaw waves F is not higher than the wave height of the first-time bottom surface echoes B1; the flaw waves F are located at a position of 1/4 or 3/4 of the thickness of the plate; and the waveforms of the flaw waves F are cluster-like, and the flaw waves F have a plurality of peaks on the vertical sonic path distance of the instrument, and the peaks are jagged. With the method of the invention adopted, whether an inclusion group group flaw exists in the flat metal plate can be accurately judged, and therefore, the severityof the internal flaw of the plate can be clearly known, and the loss of raw materials and existing energy sources can be reduced.

The invention relates to the technical field of rotating equipment, in particular to a rotating device for circuit board machining. The rotating device comprises a box body and a first motor; the first motor is fixedly connected to the inner side of the left end face of the box body, and a rotating disc is fixedly connected to the tail end of a main shaft of the first motor; the left end of the rotating disc is fixedly connected with a fixed plate, and the fixed plate is fixedly connected with the first motor; a fixed column is fixedly connected to the right end of the fixed plate; a rotatingrod is rotationally connected to the inner side of the left end of the box body; a groove wheel is fixedly connected to the right end of the rotating rod, and grooves are formed in the inner side of the groove wheel; the right end of the groove wheel is fixedly connected with a machine shell; and the top end of the machine shell is fixedly connected with a second motor, By virtue of setting of therotating disc, the fixed column and the fixed plate and the used groove wheel mechanism, the rotating device is compact in structure, low in noise during operation, convenient to rotate and use, andhas huge economic benefits and wide market prospect, and is worthy of popularization and use.