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 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 relates to a shelf support column, which belongs to the field of shelf accessories. The shelf support column includes a support rod 1, and the support column also includes a holding device 2 and a connecting body. The supporting rod 1 and the holding device 2 are movably connected through the connecting body . The connecting body includes a first connecting body 3 and a second connecting body 4, one end of the first connecting body 3 is movably connected with the holding device 2, and the other end of the first connecting body 3 and one end of the second connecting body 4 are connected by a rotating pair, The other end of the second connecting body 4 is connected to the rotation pair of the support rod 1 . The support bar and the holding device included in the support column in the present invention are movably connected, and can be conveniently held in all directions of the shelf, and each column supporting the shelf can be used horizontally or tiltedly, which solves the problems in the prior art. The shelf support column cannot meet the needs of different types of shelves.

Electric branch test device and sample preparation method of silicone rubber material for cable accessories, adding semi-conductive silicone rubber into xylene, then spraying on the surface of the silicone rubber insulation sample, curing, and then cutting into a triangular high-voltage at the end of the longitudinal section electrode, and then paste the high-voltage electrode on the surface of the silicone rubber insulation sample, and vulcanize at high temperature to obtain the piezo electrode silicon rubber sample; put the piezo electrode silicon rubber sample into the mold, inject glue, and vulcanize at high temperature to obtain the sample; then Cut off the tip of the high-voltage electrode at 2 mm, and paste the flat-plate structure ground electrode on the cross-section. With the sample of the present invention, air gaps and cracks will not appear at the tip of the high-voltage electrode under large mechanical deformation. Moreover, the electrical branches in actual cable accessories usually develop from semi-conductive to insulating parts, and semi-conductive materials used as high-voltage electrodes are more similar to the actual working conditions of cable accessories.

The invention provides a support device, and relates to the technical field of public welfare advertising boards. The support device of a public welfare advertising board comprises a device main body,wherein the device main body comprises a base, a supporting plate, a telescopic device and a supporting device, two supporting plates are fixedly connected to the left side and the right side of thetop of the base, the two supporting plates are fixedly connected through the telescopic device, the telescopic device comprises a first vertical plate and a second vertical plate, and the left side ofthe first vertical plate is fixedly connected with the right side of one supporting plate. According to the support device of the public welfare advertising board, the telescopic device, the first vertical plate, the second vertical plate, a threaded rod, a driving device, a threaded pipe, a first telescopic rod, a first movable plate, a second telescopic rod and a second movable plate are arranged, 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 manual adjustment of workers is not needed.

The invention relates to a comprehensive automatic test stand for vertical pumps and a test method thereof, belonging to non-standard equipment in the field of water pump testing. The invention includes a base, a plurality of water-passing hydraulic cylinder vertical frames, a plurality of special water-passing hydraulic cylinders, a plurality of uniform pressure chamber tooling plate rotating discs, a three-way lift, a power drum line, a jacking hydraulic cylinder vertical frame and a top Tighten the hydraulic cylinder, multiple water-passing hydraulic cylinder vertical frames are all on the base, and multiple special water-passing hydraulic cylinders are respectively installed on multiple water-passing hydraulic cylinder vertical frames, and each water-passing hydraulic cylinder is above the vertical frame. There are uniform pressure chamber tooling plate rotating discs, each special water-passing hydraulic cylinder is equipped with a sleeve, the three-way lift is installed on the base, and the power roller line is on the three-way lift; the base has a jack-up hydraulic cylinder vertical frame , Each jacking hydraulic cylinder vertical frame has jacking hydraulic cylinders. The invention has reasonable structural design, high test efficiency, effectively reduces labor intensity of workers, has strong versatility and a high degree of automation, and meets test requirements.

The invention discloses a clamping type slab conveying manipulator, which comprises a support, guide rail slide blocks arranged on the left and right ends of the support, elastic clamping jaws on the guide rail slide blocks, a driving assembly for pulling the elastic clamping jaws to move along the direction of a guide rail, and a synchro coupling mechanism connected with the two elastic clamping jaws. The driving assembly pulls the two elastic clamping jaws to do linear-type movement along the width direction of a clamped slab workpiece in a mode of being close to or away from the slab workpiece, so that clamping and releasing actions are performed, the movement distance is regulated according to the width of the clamped workpiece, so that the proper relative positions of the clamping jaws are regulated according to the size of the slab, and the synchronization of the movements of the two clamping jaws are realized by the synchro coupling mechanism, so that the conveying actions of automatically clamping and releasing the slab are performed.