11results about How to "No plastic deformation" patented technology

The invention aims to provide a pressure accumulation type sprayer which is easy to recycle materials and provides a pressure accumulation type sprayer capable of improving resource efficiency, so that a contribution is made to a sustainable development target finally. A pressure accumulation type sprayer (X) is composed of components made of polyolefin, and each component comprises: a nozzle part (F); a base section (B) having a sub-cylinder section (B) above and a main cylinder section (B1) below, the base section (B) having a first passage section (P1) leading from the container to the main cylinder section (B1), a second passage section (P2) leading from the main cylinder section (B1) to the sub-cylinder section (B), and a third passage section (P3) leading from the sub-cylinder section (B) to the nozzle section; a piston part which slides in the master cylinder part (B1); a wrench part which rotates around a supporting shaft part (BA) formed on the side surface of the base part (B) in a protruding manner and enables the piston part to slide backwards; a primary valve (FV) provided in the first passage section (P1); a secondary valve structure (A) attached to the sub-cylinder section; an introduction tube (H) through which the liquid in the container is sucked and through which the liquid passes; a cover section (C) that covers the base section (B) from above; a lid (G) to be attached to the container; and a gasket that seals the lid and the base (B).

The invention relates to the technical field of batteries, in particular to a composite buffer structure for a battery and a preparation method and application thereof. A composite buffer structure for a battery comprises a polymer matrix layer and a reinforcement phase located in the polymer matrix layer, the reinforcement phase comprises a shape memory alloy fiber layer, and the shape memory alloy fiber layer is of a three-dimensional network structure; and the volume fraction of the shape memory alloy fiber layer in the composite buffer structure for the battery is 10%-60%. According to the composite buffer structure for the battery, the polymer matrix layer serves as a continuous phase, the shape memory alloy fiber layer serves as a reinforcing phase, and the polymer matrix layer and the shape memory alloy fiber layer are mutually staggered in the polymer matrix layer to form a three-dimensional network structure; the shape memory alloy fiber layer with a proper volume fraction is adopted, can actively adapt to the volume change of a battery cell, shows superelasticity at the working temperature of the battery, provides high and stable recovery stress, and is excellent in fatigue resistance, so that long-term stable contact of a battery interface is effectively maintained.

This invention discloses a laser coaxial wire feeding additive repair device and method for the inner wall of pipe fittings, belonging to the field of laser additive manufacturing. The laser coaxial wire feeding additive repair device for the inner wall of pipe fittings includes a light guide arm, a four-beam laser head, and a wire feeding mechanism. The light guide arm is mounted on a robotic arm; one side of the light guide arm is connected to an optical cable, and the other side is tightly connected to the laser head via a bayonet. A wire feeding mechanism is fixed above the light guide arm, and multiple functional pipes, including cooling water pipes, protective gas pipes, and signal lines, are fixed below it. The laser head divides the laser beam introduced by the light guide arm into four beams distributed in a square shape through a lens group, and the four beams converge below the wire feeding head through a focusing lens. The focusing lens is installed in an anti-roll cage inside the laser head, and its up-and-down movement is controlled by a servo motor to change the laser focus position. A high-curvature wire feeding tube is placed inside the laser head, without interfering with the laser beam. The laser coaxial wire feeding additive repair device for the inner wall of pipe fittings described in this invention can realize laser coaxial wire feeding additive repair manufacturing of the inner wall of pipe fittings, improving the quality and efficiency of inner wall repair.

This invention belongs to the field of friction welding technology, and specifically relates to a device and method for targeted control of the microstructure of an inertial friction welded joint using electrical pulses. The device includes a six-degree-of-freedom parallel mechanism, a support unit, electrodes, a toroidal water-cooling unit, a toroidal magnetic unit, a frustum-shaped water-cooling unit, a frustum-shaped wall magnetic unit, and a fixture. The workpiece is placed on the support unit, the six-degree-of-freedom parallel mechanism limits the top of the workpiece, and the fixture clamps the welding toroidal surface. The toroidal magnetic unit and the toroidal water-cooling unit are disposed on the welding toroidal surface, and the frustum-shaped wall magnetic unit and the frustum-shaped water-cooling unit are disposed on the frustum wall. The electrodes provide pulsed current to the weld area. The toroidal magnetic unit and the frustum-shaped wall magnetic unit cooperate to guide the pulsed current to flow concentratedly through the weld area. The toroidal water-cooling unit and the frustum-shaped water-cooling unit cooperate to cool the base material area. This invention employs localized electrical pulse heat treatment, achieving the precipitation of strengthening phases in the weld area through the synergistic effect of Joule heating and electroplasticity, thus shortening the heat treatment cycle.

An electromagnetic damping photovoltaic tracking system includes: a tracking bracket and a driving mechanism; the tracking bracket includes a column, a rotating support part, a damping part and an electromagnetic part; the column is fixedly arranged, the rotating support part is rotatably arranged on the column, and the driving mechanism is used to drive the rotating support part to rotate; the damping part is arranged on the rotating support part, and the electromagnetic part is arranged on the column, and the electromagnetic part adsorbs the damping part when it is energized to form a damping structure for hindering the rotation of the rotating support part; the electromagnetic part is intermittently energized. The electromagnetic part is intermittently energized. In this way, when working in windy weather, since the electromagnetic part will cooperate with the damping part to generate resistance to prevent the rotating main shaft from rotating excessively when it is energized, it is difficult for the wind kinetic energy to accumulate during the rotation of the rotating main shaft, so that the tracking bracket will not be damaged due to wind resonance.

This utility model relates to the technical field of water circuit sealing, and proposes a valve body assembly that can effectively seal water circuits. It includes a valve body with a water inlet channel, and a valve core for opening and closing the water inlet channel is provided within the valve body. The valve core is axially movable within the valve body, and its first end moves along the direction of closing the water inlet channel and inserts into the water inlet channel, forming a first sealing structure. A first sealing ring is also provided on the first end of the valve core, which abuts against the outside of the water inlet channel's output end to form a second sealing structure. This design eliminates the need for a simple sealing ring; through a double sealing structure, the sealing function is greatly enhanced while maintaining a relatively stable component cost.

The utility model provides an assembly type beam-column connection node of an additional chain rod type buckling constraint staged energy consumption device, which comprises a steel column, a beam column, a beam column and a beam column, the two ends of the steel beam are in butt joint with the cantilever beams on the steel columns on the two sides; each set of chain rod type buckling constraint staged energy consumption device comprises two flange cover plates with lug plates, and the two flange cover plates are connected to the inner sides of an upper flange and a lower flange at the butt joint position of the steel beam and the cantilever beam at the butt joint position through high-strength bolt groups correspondingly; the two web connecting plates with crescent ear plates are respectively connected to the upper parts and the lower parts of webs of the steel beam and the cantilever beam at the butt joint part through high-strength bolt groups; and the two pin shaft anti-shearing damping chain rods respectively penetrate through the lug plates and the crescent lug plates to connect the flange cover plates with the lug plates and the web connecting plates with the crescent lug plates. According to the utility model, through the additional chain rod type buckling constraint staged energy consumption device, the elastic work under small and medium earthquakes is realized, the plasticity is realized under large earthquakes and super-large earthquakes, and the dog bone weakening type flange cover plate on the pressed side can be effectively prevented from buckling too early and losing the bearing capacity.

The invention belongs to the technical field of LED packaging equipment, and particularly relates to an LED side light support discharging and stacking device with a self-adaptive buffering function, the LED side light support discharging and stacking device comprises a base, a supporting seat is arranged at the top of the base, and a sliding rail is arranged on one side of the supporting seat. Specifically, the linkage assembly converts reciprocating motion of the first suction cup machine into one-way intermittent rotation of an intermittent fluted disc, and a bearing plate and the material receiving box are driven to descend step by step through a lead screw, a sliding block and a slope transmission pair. The descending distance each time is accurately equal to the sum of the thickness of the side light support plate and the combined thickness of the buffer plate and the convex part, due to the incomplete gear design of the fluted disc and the one-way conversion characteristic of the reciprocating hole, it is guaranteed that idling is conducted only in the discharging stroke driving descending process and the return stroke process, invalid movement is effectively filtered, and therefore each support is released at the fixed height; therefore, zero-impact stacking is realized, and the material receiving surface is kept flush with the receiving surface in the material receiving box.

The invention provides a shape memory material, the shape memory material has an R phase change two-way memory effect, the shape memory material comprises an R phase and a B19'martensite lath, the R phase and the B19 'martensite lath have a semi-coherent interface, the semi-coherent interface has an internal stress field, and the internal stress field is used for inducing the R phase change two-way memory effect. The invention further provides a processing method of the shape memory material, a driving element and a driving device. The shape memory material disclosed by the invention has an R phase change two-way memory effect, relatively low thermal hysteresis, high response speed, short recovery time, relatively high cycle frequency, relatively long cycle life and relatively high stability.

The invention belongs to the technical field of grinding of grinding tools, and discloses a brittle corrosion-resistant metallic bond, a metallic bond superhard grinding wheel and a preparation method of the metallic bond superhard grinding wheel. The brittle corrosion-resistant metal bonding agent prepared by the invention comprises the following raw materials in parts by weight: 50-70 parts of copper powder, 5-20 parts of tin powder, 5-15 parts of graphite powder and 15-20 parts of an improvement additive. Graphite powder and an improvement additive are added into a traditional bronze-based metal binding agent, secondary heat treatment is carried out, the plasticity of the binding agent is reduced, the brittleness and hardness of the binding agent are improved, brittle fracture can occur in time, and the workpiece quality cannot be affected; through secondary heat treatment, elements in the improvement additive form a uniform and compact protective film on the grinding wheel, internal metal can be continuously prevented from being corroded in the whole life cycle of the grinding wheel, and the thickness consistency problem caused by corrosion of the side face in the using process of the grinding wheel is solved. The brittleness and corrosion resistance of the bronze-based metal bonding agent are improved on the premise that the cost is not obviously increased.