48results about How to "Fast deformation" patented technology

A piezoelectric vibrator having excellent shock resistance and high reliability is offered. The centers of first and second piezoelectric vibrating plates are supported by pillars on a main surface of an enclosure and nearly or substantially parallel to the main surface of the enclosure. Spacers having a Young's modulus of less than 2 GPa are mounted on both end sides of the second piezoelectric vibrating plate to prevent contact between the vibrating plates, thus preventing damage. Other spacers are mounted on the main surface of the enclosure in positions corresponding to the first-mentioned spacers to prevent contact with the main surface of the enclosure, thus preventing damage to the second piezoelectric vibrating plate.

The invention discloses a process of preparing high-chromium alloy super 13-Cr seamless steel tubes through a CPE hot rolling mill. The process comprises the steps of a), providing a tube blank; b) performing acid pickling and coping on the tube blank and then fracturing the tube blank to form a plurality of split tube blanks; c), performing cold centering on the split tube blanks; d), preheating the cold-centered split tube blanks and performing thermal preservation for a certain time; e) heating the preheated split tube blanks, performing thermal preservation for a certain time, and then performing soaking treatment on the split tube blanks and performing thermal preservation for a certain time, wherein the heating environmental temperature is controlled to be 800-900 DEG C, and the soaking environmental temperature is controlled to be 1200-1010 DEG C; f), punching the split tube blanks processed in the step e) through a punching machine to obtain tube billets, controlling the temperature of the punched tube billets to be 1230-1240 DEG C, and then reducing the tube billets. According to the process of preparing high-chromium alloy super 13-Cr seamless steel tubes through the CPE hot rolling mill, the temperature during the process is controlled, so that the steel tubes have small deformation resistance and high deformation speed and can avoid internal surface flaws during the preparation process, and further the product quality of the steel tubes can be guaranteed.

The invention discloses a machining and producing process of a seamless steel pipe. The machining and producing process includes the following steps that a steel pipe raw material is selected; pipe blank cut-off and stripping are conducted on the surface layer of the steel pipe material; the steel pipe material is heated; and high pressure water phosphorous removal, perforation, hole enlarging, hot extrusion, demolding, thermal treatment, steel tube saw cutting, cooling, secondary acid pickling, inspecting, coping, cold rolling, oil removal, secondary straightening and water pressure test crack detection are conducted. The machining and producing process of the seamless steel pipe is reasonable in flow design, high in machining work efficiency, high in workpiece deformation speed and capable of avoiding cracks generated in the inner surface and the outer surface.

The invention discloses a mold and a method for manufacturing a flexible robot. The mold comprises an upper mold, a lower mold, a bottom mold and a waved part, wherein the upper mold is as high as thelower mold; a positioning groove is formed in the upper mold; a positioning bulge matched with the positioning groove is formed in the lower mold; a left positioning step and a right positioning stepare arranged on the waved part; two positioning grooves matched with the left positioning step and the right positioning step are respectively arranged on the lower mold; the overall height of the waved part is lower than that of the upper mold. The mold disclosed by the invention is simple in structure, convenient to use, low in cost and high in effectiveness, in addition, the flexible robot manufactured by using the mold has special arrangement of an air cavity of a bow-like shape, has relatively high deformation speeds when being aerated and released, and can be applied to fields such as rapid movement and rapid grasping.

The invention discloses a cyano-distyrene-containing photo-responsive luminescent liquid crystal elastomer material and a preparation method thereof. The liquid crystal elastomer material disclosed bythe invention is prepared by performing copolymerization on a cyano-distyrene group-containing monomer and a hydrogen bond crosslinking agent monomer, or performing copolymerization on the cyano-distyrene group-containing monomer, the hydrogen bond crosslinking agent monomer and a monomer containing a non-liquid crystal structural unit. The liquid crystal elastomer material disclosed by the invention shows a typical aggregation-induced fluorescence enhancement effect, can emit very strong fluorescent light in an aggregation state; in addition, the orientated single domain liquid crystal elastomer fibre also has photo-response; under the irradiation of ultraviolet light, the single domain liquid crystal elastomer fibre can deform, has the advantages that the deformation degree is high, thedeformation speed is high, the deformation can be stored for a long time and the like, and shows a broad application prospect in the fields of intelligent actuators, biomaterials, optical materials and the like.

A magnesium hot rolling mill system including a rolling mill having at least two work rolls for rolling of magnesium sheet or plate, a hot coiler positioned on either side of the rolling mill for heating and maintaining a desired temperature of the magnesium sheet or plate, active thermal roller tables, a mill drive system for independently driving the work rolls for asymmetrical rolling of the magnesium sheet and a warm coil loading and payoff station.

The invention discloses a self-recovery fuse including a shell, a reaction box is fixed in the shell; two symmetrically arranged internal power connection blocks are fixed on an inner wall of the reaction box in a penetrating manner; and power connection springs are fixed to the sides, away from the reaction box, of the two internal power connection blocks correspondingly, two symmetrically-arranged external power connection blocks are fixed to the inner wall of the shell in a penetrating mode, the two external power connection blocks abut against the two power connection springs correspondingly, and an elastic film is fixed to an inner wall of the lower portion of the reaction box. The fuse has the advantages that through the internal power connection blocks and the external power connection blocks, when short-circuit overload occurs in an external circuit and the current is sharply increased, the power connection springs contract to a certain extent, so that the internal power connection blocks and the external power connection blocks are electrically disconnected, the external circuit is powered off, an external electric appliance and the circuit are protected, the deformation speed of the power connection springs is relatively high, and compared with existing heating power failure, the self-recovery fuse has better timeliness and can better protect the circuit.

The invention discloses a method for processing hexagon socket head bolts, which comprises the following steps: step B: using a roughing machine to partially thicken a blank rod, so that the diameter of one end of the blank rod is greater than the initial diameter of the blank rod, and the original blank rod The rods are sequentially connected to the original rod and the thick rod on the same axis; Step C: Extrude the thick rod through the hot extruder, the hot extruder clamps the original rod, and heats the thick rod, and places the thick rod In the die, the punch is then moved towards the end of the thick rod away from the original rod to deform the thick rod and form a cylinder with a central hole; Step E: Roll the original rod out of the thread. The inner hexagonal bolts are formed by first thickening the blank rod locally and then hot extrusion, which improves the work efficiency compared with the traditional turning process; at the same time, compared with the stamping to form the inner hexagonal bolts, the precision of the bolts is improved.

The invention discloses an electromagnetic method pipe fitting shaping technique. The technique uses two working levers to be movably connected with a supporting body in the middle; the inside of one end of the working lever is provided with a shaper coil; the other end of the working lever is arranged at the flattening part of the pipe fitting; and sustained current or pulse current is introduced into the shaper coil so that the shaper coil generates attractive force, and consequently the pipe fitting can be swollen open for restoration. Compared with other restoration methods, the shaping technique has the advantages of repeatability, controllability, designability and the like and provides a new way for the shaping restoration of pipe fittings.

The invention relates to a power generation mechanism, and particularly to a foldable photovoltaic power generation mechanism. The foldable photovoltaic power generation mechanism comprises a mountingbase, a photovoltaic panel I, a telescopic frame, a photovoltaic panel II, a track, a displacement member and a connecting rod. The foldable photovoltaic power generation mechanism can be folded or unfolded primarily by using the rotatable photovoltaic panel II. By using the connecting rod having a movable one end, the foldable photovoltaic power generation mechanism can be folded or unfolded secondarily. The combination of the telescopic frame and an engagement hand facilitates the folding or unfolding of the foldable photovoltaic power generation mechanism, so that the foldable photovoltaicpower generation mechanism has a fast deformation speed and high assembly efficiency. After folded, the foldable photovoltaic power generation mechanism is easy to move by means of universal wheels,and is reduced in occupied space in order to be easy to package and transport. When the foldable photovoltaic power generation mechanism is unfolded and installed, there is no need to build a bracketwith a large amount of manpower for assembly.

The invention discloses a municipal warning board, and relates to the technical field of municipal tools. The municipal warning board comprises a board body, a fixing mechanism is installed at the bottom of the board body, the fixing mechanism comprises a supporting rod and an inserting rod, the supporting rod is connected into the inserting rod in a sleeved mode, the top end of the supporting rod is fixedly installed at the bottom of the board body, and the supporting rod penetrates through the inserting rod and is tightly attached to the top of the inserting rod. A plurality of protruding blocks are arranged on the side face of the inserting rod in a protruding mode. According to the municipal warning board, along with rising of the water level of a pool, the water pressure borne by a first elastic piece is increased and extruded, the air pressure in the cavity is increased accordingly, a driving mechanism controls an arc-shaped push rod to rotate through a transmission mechanism, and the arc-shaped push rod can lift the supporting rod and the board body, so the height of the board body in the warning board is changed along with changing of the water level;, the situation that the warning board is submerged due to the fact that the water level of the pool rises is avoided, and the practicability of the warning board is improved.

The invention discloses silk-screen printing ink for a circuit board. The silk-screen printing ink comprises the following components in parts by weight: 100 parts of epoxy acrylic acid resin, 35-45 parts of polyamide resin, 2-5 parts of benzophenone, 12-18 parts of microcrystalline wax, 3-6 parts of a curing agent, 1-4 parts of a photoinitiator, 2.4-3 parts of isopropanol, 27-33 parts of light calcium carbonate, 10-40 parts of pigment and 1-7 parts of a defoamer. The silk-screen printing ink is high in printing accuracy and deformation speed, resists external force scratch, heat shock and mechanical stripping, and is strong in adhesive force, excellent in abrasive resistance, low-toxic, odorless, safe and environment-friendly.

The invention discloses a simplified grid deformation method and device based on microcomputable. The method comprises the following steps: subdividing an initial grid to obtain a source grid; performing secondary error measurement (QEM) simplification on the target grid to obtain a simplified target grid; adopting a Pytorch3D library to perform first deformation on the source grid based on the simplified target grid to obtain a deformation result grid; and subdividing the deformation result grid to obtain a subdivided grid, taking the subdivided grid as a source grid for secondary deformation, and adopting a Pytorch3D library to perform secondary deformation on the source grid based on the unsimplified target grid. According to the method, the grid deformation speed is increased. The target grid is simplified, so that the grid deformation time is shortened, and a better grid deformation effect can be obtained to a certain extent.