23results about How to "Uniform deformation" patented technology

According to the production method of the hot-rolled extra-thick and ultra-wide double-metal composite plate, S30403 is selected as a stainless steel layer, and the stainless steel layer comprises the following chemical components in percentage by mass: 0.02%-0.029% of C, 0.3%-0.5% of Si, 0.8%-1.0% of Mn, less than or equal to 0.04% of P, less than or equal to 0.005% of S, 18.0%-18.8% of Cr, 8.0%-8.2% of Ni and the balance of Fe and inevitable impurities; the base layer is made of Q355B low-alloy high-strength steel and comprises the following chemical components in percentage by mass: 0.06%-0.12% of C, 0.15%-0.3% of Si, 1.45%-1.6% of Mn, less than or equal to 0.02% of P, less than or equal to 0.005% of S, 0.02%-0.05% of Al, 0.008%-0.02% of Ti and the balance of Fe and inevitable impurities; the key process steps comprise assembling, heating, rolling, cooling and finishing, and industrial preparation of the high-performance bimetal composite plate with the width larger than 3.5 m, the total thickness not smaller than 100 mm, the base material larger than or equal to 90 mm and the stainless steel coating larger than or equal to 10 mm is achieved.

The application discloses a PEDOT:PSS pre-fracture conductive network electrode and a preparation method and a capacitive pressure sensor thereof, and belongs to the technical field of flexible sensors.The preparation method of the PEDOT:PSS pre-fracture conductive network electrode comprises the following steps: uniformly mixing a PEDOT:PSS polymer aqueous solution and an elastomer matrix, adding a conductive reinforcing agent, and forming a PEDOT:PSS double-network film embedded in the elastomer matrix through heat annealing treatment; a strain is applied to the PEDOT:PSS double-network film, so that a conductive network of the PEDOT:PSS double-network film is fractured; and after the strain is released, the PEDOT:PSS double-network film is reorganized into the PEDOT:PSS pre-fracture conductive network electrode under the constraint and rebounding action of the elastomer matrix network.

The present application relates to a kind of extruded aluminum-wood double-slot type connection's modular structure system of special section, adopt double-slot type connection to form aluminum-wood combination structure module system, and realize the quick splicing between module by cast aluminum piece insertion.The frame member of the aluminum-wood combination structure module unit adopts aluminum alloy extruded special section.Frame node adopts double-slot type connection node, the node is connected by groove with extruded special section frame column using double-slot card, double-slot card is formed by two grooves and a section of vertical plate extrusion, vertical plate is holed, and is connected with frame beam using stainless steel bolt.Frame beam is connected with double-slot card before, and the slot of identical size with double-slot card vertical plate is opened, double-slot card vertical plate is inserted into frame beam, and double-slot card vertical plate is connected with frame beam by stainless steel bolt.

The utility model discloses an explosion-proof bending device which is arranged on a base. Comprising a bending mechanism and an edge cutting mechanism. The bending mechanism comprises a positioning block and a forming assembly. The forming assembly is arranged on the support, and the support is fixed to the upper surface of the base. The forming assembly comprises a driving piece, the tail end of the driving piece penetrates through the support, and a sliding block and a pressing plate are fixed to the tail end of the driving piece. A forming upper die is arranged on the inner side of the sliding block, and the pressing plate is located on the outer side of the forming upper die. The trimming mechanism comprises a trimming die, and a cutter equivalent to the outline of the inner wall of the fillet sheet metal part is formed on the trimming die; a wedge-shaped groove matched with the bottom end of the sliding block is formed in the trimming die. The sheet metal part bending device has the advantages that the edges of the sheet metal part are bent on the basis of a common bending machine, the corners of the sheet metal part are warped and not broken, then the corners of the sheet metal part with the edges bent are bent, the sheet metal part is integrated and does not need to be fixed in a welded mode, the sealing performance and the overall structure are stable, and the sheet metal part bending device is convenient to use. And the explosion-proof effect can be achieved.

The utility model discloses a magnesium alloy prevents displacement support structure, including the telescopic unit of the radial telescopic of support opening and the support connecting rod between connecting in telescopic unit, telescopic unit possesses several mutually far away telescopic point when radial telescopic, interval selects part telescopic point as support function component mounting point, and the connecting position of support connecting rod and telescopic unit is on the telescopic point of support function component mounting point adjacent connection, the utility model discloses a function component is set up in telescopic unit, and function component includes support support arm etc, and the deformation of the region where function component is located and other areas of telescopic unit is controlled by the support connecting rod on the both sides of function component, thereby making the region where function component is located can with the process of support opening automatically to the outer surface of support contour convex, realizes the function such as the anti -displacement support or development of support.

The utility model relates to a clamping type anchorage device suitable for CFRP stranded wires or rib materials, and belongs to the technical field of bridge engineering, and the clamping type anchorage device comprises a steel sleeve, a clamping piece, an aluminum sleeve and a bolt. Wherein the steel sleeve is an inner conical cylinder with an invariable outer diameter and a reduced inner diameter; one end of each clamping piece is separated, and the other end of each clamping piece is complete; one end of the aluminum sleeve is separated, and the other end of the aluminum sleeve is complete; the bolt is in threaded connection with the outer side of the steel sleeve. The inner surface of the steel sleeve, the clamping pieces and the inner and outer surfaces of the aluminum sleeve are specially treated. Compared with a common clamping type anchorage device, the anchorage device has the advantages that the pressure stress on the surface of the CFRP stranded wire or rib material is reduced, the friction force between the stranded wire or rib material and the aluminum sleeve is increased, and larger drawing force is provided; the anchorage device is convenient to install and can be used for cables or prestressed structures.

This invention relates to a creep-forming pre-deformation method for ultra-large thin-walled parts. The method includes: processing a grid onto a blank sheet to obtain a wall panel; completely covering the wall panel with a breathable felt; placing the wall panel on a mold; calculating the size of a vacuum bag and determining the bridging position based on the stress characteristics of the vacuum bag; sealing the vacuum bag, with the outer periphery of the vacuum bag extending outwards from the mold; evacuating the enclosed space until a first preset pressure value is reached, then placing the panel in an autoclave; maintaining the pressure until the wall panel deforms to the target size when the first preset pressure value rises to a second preset pressure value. The creep-forming pre-deformation method for ultra-large thin-walled parts provided in this application utilizes atmospheric pressure to apply pressure to the sheet material, determines the bridging position based on the stress characteristics of the vacuum bag, ensuring uniform stress area on the wall panel, and by changing the air pressure, adjusting the pressure value, the product gradually transforms from elastic deformation to plastic deformation, resulting in uniform deformation.

This invention relates to an integrated structure for the high- and intermediate-pressure inner cylinder of a steam turbine, specifically within the field of steam turbine technology. It addresses the problem that existing designs with a single rotating wall thickness on the vertical split surface result in greater vertical deformation than horizontal deformation during thermal expansion, thus affecting the design of radial clearance. This invention comprises two cylinder bodies formed by vertically slicing the high- and intermediate-pressure inner cylinder. Each cylinder body has two vertical split surfaces, and flanges are connected to the cylinder bodies. Reinforcing ribs are provided on the outer walls of the vertical split surfaces, extending axially from one end to the other. By incorporating through-type reinforcing ribs on the outer walls of the vertical split surfaces, the rigidity of the vertical split surfaces is improved, thereby meeting strength requirements and ensuring uniform deformation of the cylinder body in all directions during operation, providing a fundamental guarantee for the safe operation of the unit.

This invention discloses a wear-resistant aluminum alloy power cable and its manufacturing equipment, relating to the field of cable manufacturing technology. A fixed wheel frame is slidably connected to the top of the centrifugal frame via two centrifugal sliding rods. A clamping wheel is rotatably installed inside the fixed wheel frame, and a clamping spring connects the fixed wheel frame to the top of the centrifugal frame. A gas collecting ring box is installed on the outside of the linkage plate, and a sealing ring is rotatably connected to the inside of the gas collecting ring box. Three gas distribution pipes are evenly spaced inside the sealing ring, and a plasma generator is connected in the middle of the gas distribution pipes. When the assembly frame stops rotating, the clamping springs rebound, and the clamping wheels tightly clamp and fix the steel strip, preventing it from loosening and improving the wrapping quality of the steel strip. Compressed air blows out the plasma generated by the plasma generator, which bombards the surface of the wrapped steel strip, forming a micro-uneven structure, allowing the outer sheath to better adhere to the steel strip armor layer, thus improving the quality of the finished cable.

The utility model relates to die technical field, concretely is iron tooth punch -die with many drainage grooves, including base, the both sides of base's top are equipped with the side plate, is provided with the upper die and lower die between the side plate, the bottom of upper die is equipped with the male die, the top of lower die is provided with female die, pre -place the material to be stamped on female die, the upper die downward stamping, drive male die and female die pressure, make the material to be stamped on female die stamping forming, the inside of female die is provided with the recess, the outside of recess is provided with a plurality of drainage grooves. This iron tooth punch -die with many drainage grooves, the utility model's female die sets up a plurality of drainage grooves outside the recess. In the stamping process, the material of iron tooth protruding part and other positions can be effectively drained to both sides and other effective positions, greatly reduces the waste of material. The drainage groove of reasonable design can guide the orderly flow of excess material, avoids the massive accumulation of material in protruding part and other key areas.

The utility model provides a conducting ring and a motor, and belongs to the conducting ring technical field, the conducting ring comprises an annular piece, the annular piece is provided with a mounting hole and a riveting hole, the riveting hole and the mounting hole are aligned in the thickness direction of the annular piece, and the hole bottom of the riveting hole is provided with a wave-shaped indentation surface; in the corresponding mounting hole and riveting hole, a solid part between the wavy indentation surface and the hole wall of the mounting hole is set as a flow deformation part; one part of the conductive fiber bundle is arranged in the mounting hole, the other part of the conductive fiber bundle extends out of one port of the mounting hole, and the hole wall of the mounting hole tightly hoops the conductive fiber bundle so that the conductive fiber bundle and the mounting hole can be riveted. The conductive ring has the beneficial effects that the structural design of the conductive ring is very ingenious, the riveting hole can be fully extruded, and the wavy indentation surface can enable the flow deformation part to generate more reasonable and accurate deformation flow, so that the hole wall of the mounting hole completely hoops a conductive fiber bundle, and the service life of the conductive fiber bundle is prolonged. And the riveting strength and the conductivity between the conductive fiber bundle and the annular piece are improved.

The application relates to the field of metallurgical and plastic processing of biomaterials, and provides a biodegradable Zn-Mg binary alloy and a preparation method and application thereof. The biodegradable Zn-Mg binary alloy is prepared by adopting a method of smelting-semi-continuous casting-forging-rolling-reverse extrusion and taking metal Zn and Zn-Mg intermediate alloy as raw materials. The Zn-Mg binary alloy prepared by the application has good mechanical properties, and the strength and ductility can meet the requirements of medical implant devices. Meanwhile, the Mg is added in the form of Zn-Mg intermediate alloy, so that the burning loss of the Mg can be effectively controlled, and the uniformity of the alloy composition and structure is improved. Further, high-purity raw materials are selected, and high-purity graphite crucibles are adopted for smelting, so that the heavy metal content in the Zn-Mg binary alloy is effectively controlled, the contents of Pb, As and Cd reach the standard of drinking water, and the safety of the Zn-Mg binary alloy implant in the body is ensured.

This invention relates to the field of machining and assembly technology, and discloses an auxiliary disassembly device for cylinder liners. The device includes a mandrel with a tapered end, which is fitted inside a radially expandable elastic spring. At least one O-ring is fitted around the outer periphery of the elastic spring. A drive component is connected to the upper end of the mandrel, and an anti-rotation guide component is fitted in the middle of the mandrel. The mandrel is inserted into the cylinder liner of the cylinder block. Rotating the drive component clockwise drives the mandrel to move linearly axially. The engagement between the outer tapered surface of the tapered head and the inner tapered surface of the elastic spring forces the elastic spring to expand radially, pressing the O-ring against the inner wall of the cylinder liner. Pulling the drive component upwards moves the cylinder liner upwards with the mandrel, thereby removing it from the cylinder block. This invention, through the tapered mandrel and elastic spring structure, combines the lifting force with the radial expansion force, utilizing the controllable static friction generated between the O-ring and the inner wall of the cylinder liner to achieve non-destructive disassembly of the cylinder liner.

The invention relates to the technical field of sanding machines, in particular to a sanding machine which comprises a machine body, a conveying assembly, a polishing assembly and a correcting assembly. The correction assembly comprises a sensing roller and a shaping roller; when the sensing roller senses the starting end of the wood, the shaping roller descends to a first height after a first set time, and gradually ascends to a second height from the first height within a first preset duration after a preset time; when the sensing roller senses the tail end moment of the wood, the shaping roller starts to gradually descend from the second height within a second preset duration before the second set time until the shaping roller descends to the first height within the first set time; according to the method, the initial end and the tail end of the wood are detected, the calculated delay time is matched, the wood with the larger density can be formed through extrusion and deformation in advance, the better supporting effect can be achieved, the wood can slowly rebound after being extruded, and rebound compensation can be conducted on the excessively-polished part.

The utility model provides an ultrasonic device and a control panel and a button structure thereof, the button structure is used for being installed on a panel main body of the control panel, and the button structure comprises an elastic button, a button cap and a trigger piece. The elastic key comprises a main body and a supporting piece, the supporting piece comprises an elastic part and a connecting part which are connected with each other, the outer side surface of the connecting part is an inclined surface, and the outer side surface of the elastic part is arc-shaped; the connecting part is connected with one end edge of the main body; the elastic part is connected with the panel main body; the key cap covers the main body; the trigger piece is arranged on the side, away from the key cap, of the body and used for being electrically connected with the control panel. And the key cap can drive the main body to move towards the direction of the trigger piece. And the key cap can be reset again. According to the ultrasonic equipment and the control panel and the key structure thereof provided by the utility model, the springback feeling of the key cap is strong, and the body is uniformly stressed when springback, so that the springback stability of the elastic key is ensured, and the key cap on the elastic key does not shake.

The invention belongs to the technical field of flexible sensor manufacturing, and relates to a micro bump preparation process of a flexible sensor, and a photoetching template position detection device and a detection method for the process. The preparation process comprises the following steps: forming a groove in a position, corresponding to a glue column, on the surface of a silicon wafer substrate, spin-coating photoresist on the surface of the silicon wafer substrate of the flexible sensor, and filling the photoresist in the groove; a photoetching template is adopted to conduct photoetching on the cured photoresist, the photoetching template is provided with a shading area corresponding to the position of the target glue column, development processing is conducted after exposure, and a glue column array is formed on the surface of the silicon wafer substrate; carrying out hot reflux on the silicon wafer substrate, enabling the rubber column array to be shrunk into a rubber ball array through surface tension, and embedding the bottom of the rubber ball into a groove of the silicon wafer substrate; and step etching is carried out on the left side and the right side of the rubber ball by adopting a dry etching process, and then the spherical morphology of the salient point is etched to obtain the micro salient point. According to the invention, the rubber ball can be prevented from collapsing outwards during hot reflux, and the micro convex points can be smoothly formed in the subsequent spherical crown etching process.

The utility model relates to the technical field of cabinet body sealing, in particular to a sealing structure of an outdoor waterproof power cabinet. According to the technical scheme, the cabinet comprises a cabinet body, a cabinet door, a sealing element mounting groove and a sealing element, the cabinet body is provided with a concentric-square-shaped sealing piece installation groove, and the cabinet door is hinged to the cabinet body. The sealing element is fixed on the cabinet door and corresponds to the sealing element mounting groove in position; and when the cabinet door is closed, the sealing element is embedded into the sealing element mounting groove to form sealing. By arranging a stacked structure of the first-stage sealing strip, the second-stage sealing strip and the third-stage sealing strip and matching with the stepped inner wall of the sealing piece mounting groove, multi-stage compression sealing is formed, water permeation is blocked layer by layer, and the waterproof reliability in the outdoor environment is remarkably enhanced.

The application relates to a kind of progressive forming process methods, comprising the following steps: S1, each clamping unit is adjusted to uniform vertical height, and the rotation angle of lower clamping head and upper clamping head is adjusted to set reference posture, and the clamping surface is relatively flat;S2, metal sheet is placed and clamped and fixed between the lower clamping head and the upper clamping head of each clamping unit;S3, according to the three-dimensional surface topography of target workpiece, the height and clamping head angle of each clamping unit are gradually adjusted, and the metal sheet is preliminarily fitted to the target topography;S4, the position and posture of all clamping units are locked, and a stable curved surface support structure is constructed;S5, the sheet is progressively formed using a progressive forming tool head;S6, after forming, the clamping force is released and the workpiece is removed.Compared with the prior art, the application has the advantages of improving forming quality and material utilization, improving processing efficiency and trajectory accuracy, high flexibility and versatility, reducing production cost and the like.

The application discloses a high-temperature environment wind power torsion-resistant flexible cable and belongs to the technical field of cables.The high-temperature environment wind power torsion-resistant flexible cable comprises an outer sheath, a protection mechanism arranged in the outer sheath, and a buffer mechanism arranged in the protection mechanism.The buffer mechanism comprises a mounting component, buffer elastic blocks and a buffer filling material.The mounting component is arranged in the outer sheath, the buffer elastic blocks are arranged in multiple numbers, the multiple buffer elastic blocks are arranged in the mounting component, the multiple buffer elastic blocks are uniformly distributed, and the buffer filling material is arranged in the mounting component.The high-temperature environment wind power torsion-resistant flexible cable significantly improves the torsion fatigue life, avoids stress concentration, and converts the concentrated torsion force applied from the outside into uniform and orderly deformation and energy dissipation of internal components through the synergistic effect of the buffer elastic blocks and the filling material, thereby avoiding local overload, enabling the cable to withstand long-term alternating torsion cycles that are much higher than those of a conventional structure, and greatly prolonging the service life.

The application discloses a diameter 1200-1700mm large-diameter seamless steel pipe sizing production method, and belongs to the technical field of seamless steel pipe manufacturing in the metallurgical industry. The application adopts large continuous casting billet piercing, cross rolling expanding, directly heating furnace reheating after equalizing cross rolling, on-line reheating, and then sizing, so that the production heating frequency of the steel pipe is reduced, the finished product inner and outer grinding and polishing are realized, the material yield is high, one roughing mill and one set of rolls can be used for sizing the large-diameter steel pipe, the outer diameter group distance of the sized pipe is large, that is, the roll commonality is strong, and the mold investment amount is reduced. The application utilizes the reciprocating rolling of the roughing mill and the movement and overturning of the push-pull bed, can balance the deformation of each surface, and the group distance of the two rolls for sizing the pipe is relatively large. Compared with the existing traditional steel pipe sizing and outer diameter control production process, the production frequency of the application is less, the production process is simple, the production efficiency is high, the mold investment amount is small, and the production cost is greatly reduced.

The present application discloses a novel circlip and a bearing, including an annular body with a notch. First ribs are vertically connected to both axial sides of the annular body. Second ribs are connected to the first ribs and parallel to the annular body, such that the overall cross-section of the circlip is in a "C" shape. When the circlip is installed on the bearing, the inner wall of the first ribs abuts against one side of the groove portion of the inner ring of the bearing, and the outer wall of the second ribs abuts against the other side of the groove portion of the inner ring of the bearing, firmly clamping the two inner rings of the bearing together to ensure the normal operation of the bearing. The first ribs and the second ribs respectively abut against both sides of the groove portion of the inner ring of the bearing, forming a two-way clamping fixing method. The overall cross-section of the circlip is in a "C" shape, and this structure endows the second ribs with a certain elastic deformation ability. During the installation process, the second ribs can adapt to the installation space and force through elastic deformation, achieving uniform and controllable deformation.

The application belongs to the technical field of superconducting composite wire processing, and discloses a preparation method of a multi-core superconducting wire with a high superconducting critical transition coefficient. The method comprises the following steps: casting a multi-hole copper ingot with multiple precise mounting holes and a single-core rod, assembling after cleaning, vacuum electron beam welding upper and lower covers, obtaining a multi-core composite ingot, and successively extruding, stretching, heat treating and twisting the multi-core composite ingot to obtain a multi-core superconducting wire. The method can prepare a superconducting wire with a large number of cores, improves the assembly efficiency, has good assembly quality, has a very low risk of core wire interlacing, has uniform core wire deformation, has a high superconducting critical transition coefficient (n value), and shortens the preparation period of the superconducting wire.

The utility model discloses a marine lighting lamp belongs to the technical field of light illumination. It includes: lamp shell, lamp shade, with lamp shell detachable connection, lamp body subassembly, the lamp body subassembly includes the mounting plate of installing in the lamp shell and the lamp tube of installing in the bottom of mounting plate, sealing ring, including the mounting portion and sealing portion of interconnection, the edge of lamp shade is equipped with the fixed slot of embedding the mounting portion, the sealing portion is away from the side of mounting portion and touches in the edge of lamp shell. When installing lamp shade and lamp shell, first embedding the mounting portion of sealing ring in the fixed slot of lamp shade, make the position of sealing ring fixed relative to lamp shade, again with sealing ring's lamp shade is connected to the alignment of lamp shell, because the mounting portion of sealing ring has fixed relative to lamp shade, the position of sealing ring is relatively stable, and it is not easy to displace because of the collision extrusion of installation process, and the deformation of sealing portion that is extruded between lamp shade and lamp shell is more uniform, and the sealing effect is better.