43results about How to "Avoid concentration" patented technology

The utility model discloses a kind of feeders of decomposition furnace, it is related to cement production equipment technical field, including: decomposition furnace body;First feed pipe, the first feed pipe is connected and is set at the top of decomposition furnace body;First motor, the first motor is set at the top of first feed pipe, the output shaft of the first motor is penetrated to the top wall of first feed pipe and is connected with rotating shaft, the bottom of the rotating shaft is connected with dispersion disc, the diameter of the dispersion disc is greater than the diameter of first feed pipe, the top of the dispersion disc is uniformly distributed with multiple poking plate;Second feed pipe;The utility model is scattered by rotating dispersion disc and multiple poking plate under the action of centrifugal force, to prevent material more concentrated in the process of discharging, to improve the overall decomposition effect.

The utility model discloses a novel condenser support plate structure, including condenser body, its characterized in that, condenser body includes two pipelines of symmetrical settings, multiple cooling pipes of installing between two pipelines, two support plates of welding between two pipelines opposite both ends, multiple cooling pipes are located between two support plates, and two support plates all include two horizontal plates of symmetrical settings, two arc grooves of setting up in two horizontal plates opposite outer end, the U -shaped board of installing between two horizontal plates opposite inner end. The utility model discloses through first arc surface and second arc surface, make the U -shaped board with two horizontal plates form the geometry shape of stiffener, improved the rigidity and the bending -resistant capacity of support plate, have lightened the condenser body shrinkage deformation simultaneously, can also scatter concentrated stress simultaneously, avoid stress in the welding place concentration, effectively reduce the generation probability of crack, thereby prolong the service life of condenser body.

This utility model discloses a small pipe bending device, comprising: a housing, characterized in that: one end of the housing is provided with a roller, the roller is provided with a positioning groove, and a bending mechanism is provided on one side of the roller. The bending mechanism includes: a base, and a drive wheel is provided on the base; the drive wheel includes: a fixed sleeve, the upper part of the fixed sleeve is provided with an arc-shaped guide groove corresponding to the positioning groove, the diameter of the arc-shaped guide groove matches that of the positioning groove, a connecting frame is provided on the arc-shaped guide groove, a rotating shaft is provided on the connecting frame, a bracket is provided on the base, the two ends of the rotating shaft are rotatably connected to the bracket, and a rocker arm is provided on the connecting frame. This utility model has a simple structure, is easy to operate, can bend pipes at a fixed angle, and can adjust the bending size to adapt to pipes of different specifications.

This disclosure provides an electroplating filling method, apparatus, and semiconductor product. The electroplating filling method includes: in response to a depth-to-width ratio of a via being greater than or equal to a preset ratio, placing a substrate in a first electroplating chamber for a first-stage electroplating to form a bridge-like structure in a preset area within the via using a first electroplating solution; and transferring the substrate after the first-stage electroplating to a second electroplating chamber for a second-stage electroplating to fill the area to be electroplated within the via using a second electroplating solution. By forming a bridge-like structure within the via through the first-stage electroplating, the phenomenon of premature closure of the via opening leading to complete electroplating filling when electroplating vias with a high depth-to-width ratio can be avoided. Furthermore, the bridge-like structure allows for electroplating filling of two areas to be electroplated, thereby improving the electroplating filling efficiency of the via.

The utility model relates to a cooperative bearing column bearing type double-wall square cylinder group bin. The upper frame beam and the lower frame beam are of a reinforced concrete structure formed by integral pouring and are used for connecting the square cylinder single bins and the supporting columns to form a collaborative bearing system, and a plurality of friction pendulum shock insulation supports are evenly distributed between the upper frame beam and the lower frame beam so that rigid connection can be changed into semi-flexible transition connection. The inner wall and the outer wall of the double-wall structure are connected together through a plurality of evenly-distributed connecting embedded columns to be borne on the upper frame beam to form an integrally-integrated bearing structure, the upper frame beam is used for cooperatively bearing the square cylinder single bins, the lower frame beam is used for cooperatively connecting the supporting columns, and therefore cooperative bearing of the upper frame beam is matched. The stress concentration effect caused by direct rigid contact of the silo wall and the supporting columns can be obviously relieved, the problems of eccentric stress and large local stress peak value caused by different gravity of each single square cylinder silo are solved, and it is ensured that the structural safety of the square cylinder group silo is higher, and the anti-seismic property is higher.

This invention discloses an air filtration and disinfection structure for processing dried beef, comprising at least one air filtration device installed at the bottom of a drying cabinet for filtering and disinfecting air. The air filtration device includes a coarse filter cylinder and a fine filter cylinder sealed together by bolts. An air inlet is opened on the side of the fine filter cylinder. An inner cylinder is fitted inside the coarse filter cylinder, and an ultraviolet lamp column is installed inside the inner cylinder, with one end of the ultraviolet lamp column sealed and penetrating the fine filter cylinder. A spiral plate is fitted onto the outer side of the inner cylinder near the coarse filter cylinder section. An adhesion mechanism is provided on the inner wall of the coarse filter cylinder, comprising an adhesion paper and a knob. Rotating the knob causes the adhesion paper to rotate inside the coarse filter cylinder. This invention can effectively achieve a three-stage filtration and disinfection effect on the air while ensuring the actual airflow, reducing the difficulty of actual maintenance.

This utility model discloses an easily adjustable tomato vine climbing frame, including a climbing frame with a walking frame slidably connected to one side surface of the climbing frame via a sliding groove. Several support rods and connecting rods are fixedly connected to the inner wall surface of the walking frame. Several support holes are drilled through the middle of each support rod, and a telescopic ring is fixedly connected to one end of each connecting rod. This utility model, by setting support rods and support holes, ensures the stability of the tomato vine during climbing, reducing the risk of it falling off. It also allows for height adjustment according to the growth of the tomato vine, achieving both stable and adjustable climbing. By setting connecting rods, telescopic rings, and a support net, it can expand according to the growth of the tomato, ensuring support for the tomato and preventing the tomato vine from breaking or falling due to excessive weight, thus protecting both the tomato vine and the tomato.

The utility model provides a kind of for steel structure coating's pier structure, it is related to pier structure technical field, for steel structure coating's pier structure includes multiple piers, multiple the pier is located below steel structure, and multiple the pier supports the steel structure in batches, the pier includes lifting device, rigid framework and rubber pad, the rigid framework is vertically located on the lifting device, the rubber pad is located in the rigid framework in vertical direction and away from one end of the lifting device, when the lifting device rises, the rubber pad is configured to abut with the steel structure. The utility model can support steel structure in batches by multiple piers, can be painted to steel structure in batches and in area, can be lifted in time pier, to facilitate in time to the area of pier sheltering is painted, ensure the uniform consistency of coating, improve painting effect.

This utility model provides a free-breathing device for a bearing housing of an induced draft fan, relating to the field of induced draft fans. The device includes an induced draft fan and a bearing housing disposed inside the fan. A first breathing valve is provided at one end of the bearing housing. The exhaust end of the first breathing valve is connected to and passes through a connecting pipe. The connecting pipe passes through the induced draft fan and extends to the outside of the fan. The end of the connecting pipe away from the first breathing valve is connected to and passes through a storage unit for storing the fumes generated in the bearing housing. This free-breathing device for the bearing housing, by adding a first breathing valve and a connecting pipe to the bearing housing, allows fumes generated inside the bearing housing to be guided to the outside of the induced draft fan through the connecting pipe. The fumes are then post-treated by the external storage unit, thereby preventing fumes from accumulating inside the induced draft fan and reducing the risk of combustion of fumes inside the fan.

An electrical interconnect structure and its formation method, as well as a panel-level packaging structure, are disclosed. The electrical interconnect structure includes: several conductive structures, the surfaces of which have been roughened to form micro-pit structures; and a molding compound layer covering the sidewalls of the conductive structures. The roughened sidewalls of the conductive structures form micro-pit morphologies. This three-dimensional porous structure significantly increases the actual contact area between the conductive structures and the molding compound layer, enabling a tight mechanical bond at the interface of the two dissimilar materials. After the molding compound layer completely covers the roughened sidewalls of the conductive structures, the molding compound material is embedded within the micro-pit structures, generating a significant anchoring effect and effectively suppressing interface delamination. When the packaging structure experiences temperature changes or is subjected to external mechanical loads, the increased interfacial adhesion can uniformly disperse stress, preventing excessive stress concentration at the interface between the conductive structures and the molding compound layer, thereby preventing the generation and propagation of cracks and significantly improving the long-term reliability and failure resistance of the packaging structure.

This utility model discloses a multi-purpose high-efficiency heat sink, including a heat dissipation component and a heat conduction component. The heat dissipation component includes a heat dissipation concave block and a heat dissipation protrusion with concave and convex longitudinal cross-sections, respectively. The heat conduction component includes a heat conduction base and several heat conduction coils, each of which can be inserted into the heat conduction space of the heat dissipation concave block and the heat dissipation protrusion. This utility model forms a multi-layer heat conduction space through the concave-convex fit, which is a significant improvement over the traditional planar heat dissipation structure. The heat conduction ends of the heat conduction coils are staggered to avoid heat concentration and facilitate heat dissipation. Furthermore, the heat dissipation component and the fan module are coaxially designed to reduce airflow resistance and wind pressure loss, thereby improving heat dissipation efficiency. It can be adapted to the mounting surfaces of different devices, enhancing versatility, and can be used in products with high heat generation, such as computer CPUs and high-power lamps.

The utility model discloses a tailing crusher belongs to the technical field of crusher. This kind of tailing crusher, including support spare, drive assembly and crushing assembly, support spare is used for supporting drive assembly and crushing assembly, and crushing assembly is used for crushing tailing, and crushing assembly includes crushing jar, and the upper end of crushing jar is equipped with jar cover, and the bottom of jar cover is rotatably connected with transmission rod, and one end of transmission rod extends to outside through jar cover, and the outer wall of transmission rod is connected with a plurality of rotors, and the outer wall of rotor is provided with a plurality of vertical grooves, and the rotor is provided with horizontal groove on one side of vertical groove, and the inside of horizontal groove is slidably provided with moving block, and the outer wall side of moving block is installed with alloy hammer head, and the inside of moving block is provided with second screw hole on both sides of alloy hammer head, and the inside of horizontal groove is provided with second screw hole near second screw hole, and second bolt is screw connected between adjacent second screw hole and second screw hole.

The application relates to the field of semiconductors and discloses a cell structure of a silicon carbide MPS diode and the silicon carbide MPS diode, which comprises a silicon carbide substrate, a silicon carbide epitaxial layer located on the silicon carbide substrate, and a plurality of cells located on the silicon carbide epitaxial layer. The outer contour of the projection area of each cell on the silicon carbide epitaxial layer is a regular hexagon. The plurality of cells comprise at least two of a first cell, a second cell and a third cell. The boundary line between the Schottky junction region of the first cell and the first PN junction region is circular, and the boundary line between the Schottky junction region and the second PN junction region is a regular hexagonal deformation. The boundary line between the Schottky junction region of the second cell and the first PN junction region is a regular hexagonal deformation, and the boundary line between the Schottky junction region and the second PN junction region is circular. The boundary line between the Schottky junction region of the third cell and the first PN junction region and the second PN junction region is circular. The anti-surge capacity is improved, and the problem that the anode metal is easily melted and fails when a surge occurs is solved.

This utility model discloses a material strip cooling and dehydration device, belonging to the field of cooling and dehydration devices. It includes: a water cooling pool and a wind-powered dehydration component arranged sequentially along the material strip conveying direction; several guide rollers rotatably connected to the water cooling pool; a water collection hood and a flow guiding platform connected sequentially along the gravity direction, with the end of the water collection hood furthest from the flow guiding platform connected to the wind-powered dehydration component, and the end of the flow guiding platform furthest from the water collection hood connected to the water cooling pool. The flow guiding platform has a flow guiding cavity, the depth of which gradually increases from both sides to the center of the platform. It also includes two enclosures respectively connected to both sides of the flow guiding platform. The technical advantage of this utility model lies in its excellent cooling and dehydration performance.

The utility model discloses a portable novel motorized fire pump belongs to fire pump technical field, it includes box body, the box body top fixedly connected with fire pump body, fixedly connected with motor on the box body, the output of motor is fixedly connected with first rotary lever, the inside rotation of box body is connected with second rotary lever through bearing. This portable novel motorized fire pump, through setting round plate, driving gear, driven gear, linkage rod, carousel, motor and first rotary lever, this fire pump can conveniently spread and take up universal wheel, when universal wheel spreads, can conveniently shift fire pump body, improves the mobility and portability of fire pump body, when universal wheel takes up, can support the box body and fire pump body through round plate, avoids the weight always concentrating on universal wheel, can effectively avoid universal wheel damage, improves the service life of universal wheel.

The application belongs to the technical field of semiconductor manufacturing, and provides a semiconductor device and a preparation method thereof. The semiconductor device comprises a substrate, an epitaxial layer, a shielding gate, a gate, a body region, an injection region and a deep buried layer. The epitaxial layer is located on the front surface of the substrate. A plurality of grooves are arranged in the epitaxial layer. The shielding gate and the gate are arranged at intervals and located in the grooves. The body region is located on the side of the epitaxial layer away from the substrate. The injection region is located on the side of the body region away from the epitaxial layer. The deep buried layer is located in the epitaxial layer and on the opposite sides of the grooves along a first direction. By introducing the deep buried layer, a depleted electric field shielding layer can be formed on both sides below the grooves, thereby avoiding the concentration of the electric field in the weak areas such as the bottom of the grooves, reducing the high peak electric field around the shielding gate, making the electric field distribution in the device more uniform, and improving the breakdown voltage of the device.

The utility model relates to the technical field of centrifugal pump discloses a high pressure stable pump, including low pressure section, high pressure section, inlet and outlet water section, transition elbow and pump shaft, low pressure section, inlet and outlet water section and high pressure section are coaxial connection in pump shaft respectively, and inlet and outlet water section is located between low pressure section and high pressure section, and low pressure section is equipped with medium inlet, and inlet and outlet water section is equipped with medium outlet, and low pressure section communicates with the one end of transition elbow through inlet and outlet water section, and the other end of transition elbow communicates with the one end of high pressure section away from inlet and outlet water section, and high pressure section communicates with medium outlet, low pressure section is equipped with first rod body, and high pressure section is equipped with second rod body, and first rod body, second rod body and the extension direction of pump shaft are same, and low pressure section is connected with inlet and outlet water section through first rod body, and high pressure section is connected with inlet and outlet water section through second rod body, the high pressure stable pump of the utility model avoids the deviation caused by assembly error, improves assembly positioning accuracy, improves assembly coaxial degree, reduces vibration and abrasion and ensures the reliable and safe operation of multistage pump.

The utility model discloses a mobile hoist relates to the field of automobile repair technology, including support platform, the one side of support platform is equipped with cross -shaped groove, the bottom wall fixedly connected with hydraulic push rod of cross -shaped groove, the one side of support platform is slidly arranged with hoist subassembly, the upper end of hoist subassembly is provided with extension assembly, the inboard of hoist subassembly is provided with the clamping assembly. The utility model through the gap is received to the extension spare, prevents the extension spare from occupying the larger space when not needing using, through the extension spare's outward migration and increase the contact area between this hoist and the car chassis, prevent the stress point of car chassis from being too concentrated, through the cooperation of the extension spare in the storage state of the clamping rod and first positioning slot, through the cooperation of the extension spare in the open state of the clamping rod and second positioning slot.

This application provides a battery and its cell. The cell includes a main body and four tab groups, all connected to the main body. The four tab groups are divided into two positive tab groups and two negative tab groups. The two positive tab groups can simultaneously connect to a first adapter plate, and the two negative tab groups can simultaneously connect to a second adapter plate. Each tab group provides the maximum current-carrying area of ​​the cell. In this cell, the four tab groups working together allow the internal stress and external forces on the cell to be more evenly distributed across each tab group, effectively preventing excessive stress concentration at any single tab group. This reduces the risk of tab group tearing and significantly improves the cell's stability and lifespan. Since each tab group provides the maximum current-carrying area required for normal charging and discharging, tearing of any one tab group will not affect the normal operation of the cell, thus improving the cell's current-carrying stability and safety.

The application discloses a shutter device of a photoetching machine and the photoetching machine, and relates to the technical field of photoetching machines. The shutter device comprises a shutter assembly, a first lens part and a second lens part. The first lens part is arranged on one side of the shutter assembly corresponding to the through holes, and a plurality of first lenses are arranged on the first lens part. The second lens part is arranged on the other side of the shutter assembly corresponding to the through holes, and a plurality of second lenses are arranged on the second lens part. The light of the illumination light source of the photoetching machine passes through the through holes from the first lens part to the second lens part, and the shutter assembly can control the opening and closing states of the through holes. The first lens part and the second lens part before and after the shutter assembly are arranged as a plurality of lens combinations, and the through holes of the shutter assembly are correspondingly arranged as a plurality of through holes. In this way, a plurality of focal points are formed through the plurality of lenses, heat is dispersed, excessive heat concentration is avoided, and the influence caused by heat concentration is reduced.

This invention discloses a steel plant cutting waste slag crushing and processing equipment, which relates to the field of crushing equipment technology. The equipment includes a bottom shell, a top shell, and a processing mechanism. The processing mechanism includes a driver and a cylindrical base. An annular guide edge is provided at the top of the cylindrical base. Horn-shaped fixing teeth are fixedly connected to the conical surface inside the cylindrical base. A rotary crushing component is installed in the middle of the bottom shell. The rotary crushing component includes a supporting connecting shaft and a conical body. The center of the bottom of the conical body is fixedly installed to the top of the supporting connecting shaft. A V-shaped scraper is fixedly connected to the side of the bottom of the conical body. A crushing hammer is hinged to the conical surface on the outside of the conical body. A spiral rib is fixedly connected to the hammering end of the crushing hammer, achieving the purpose of preventing material jamming, avoiding rigid contact, and providing high impact strength, rapid and uniform crushing, and safety and reliability.

The utility model relates to corrugated steel structure technical field technical field, the utility model provides a kind of compound steel mixed corrugated pipe culvert reinforcing structure, it includes inner corrugated plate and the outer corrugated plate of inner corrugated plate interval arrangement, inner corrugated plate and the outer corrugated plate between being equipped with support part, support part includes support corrugated plate and support arc plate;The upper end of support corrugated plate is set on the outer corrugated plate, lower end is connected with the upper surface of support arc plate, support arc plate lower surface and inner corrugated plate abut, support part is used to support upper corrugated plate and lower corrugated plate, so that the spacing between upper corrugated plate and lower corrugated plate is formed. Through the setting of support arc plate, the load between inner corrugated plate and support corrugated plate can be evenly distributed, the spacing between inner corrugated plate and outer corrugated plate is stabilized, and the compression and deformation capacity of overall structure is improved. Through the above technical scheme, the problem of unstable support of the existing corrugated pipe culvert is solved.

The application is suitable for the field of optical technology, and provides an optical waveguide assembly and a near-eye display device. The optical waveguide assembly comprises a waveguide substrate, an in-coupling grating, a redirecting grating and an out-coupling grating. The redirecting grating is located between the in-coupling grating and the out-coupling grating along an optical path. The in-coupling grating is used for coupling incident light into the waveguide substrate. The redirecting grating is used for deflecting and expanding the propagation direction of at least part of the incident light from the waveguide substrate, and diffracting at least part of the incident light to obtain first diffracted light. The out-coupling grating is used for coupling the first diffracted light out of the waveguide substrate. The redirecting grating is used for deflecting and expanding the incident light, which can widen the incident light, and disperse the incident light within its width to avoid light concentration, so that the first diffracted light is uniformly bright after being coupled out of the out-coupling grating, and the brightness uniformity of a picture seen by the human eye is improved.

This utility model relates to the field of motion platform technology, specifically a stress reinforcement mechanism for a motion platform, including a first panel, a second panel fixedly welded to the right side of the first panel, a second reinforcement frame fixedly welded to the bottom of the second panel, the top of the second reinforcement frame fixedly welded to the bottom of the first panel, and the bottom of the first panel fixedly welded to the bottom of the first panel. The right side of the first reinforcement frame abuts against the left side of the second reinforcement frame. When the motion platform is running, the second reinforcement frame can disperse some of the stress, while the first reinforcement frame can support the second reinforcement frame, further dispersing the stress, thereby avoiding stress concentration at the weld between the first and second panels and preventing the first and second panels from breaking apart.

The present application provides a small volume and temperature uniform power converter, which comprises a PCB with opposite first side and second side, and a plurality of first commutation units and first capacitors arranged on the PCB. Each first commutation unit comprises a first discrete device and a second discrete device, the second end of the first discrete device and the first end of the second discrete device are electrically coupled, and the first capacitors are respectively electrically coupled with the first end of the first discrete device and the second end of the second discrete device in the plurality of first commutation units. Wherein the first discrete device and the second discrete device in the plurality of first commutation units are arranged in a row, and the first discrete device and the second discrete device in each first commutation unit and the first capacitor constitute a commutation loop.