49results about How to "Shape stable" patented technology

The utility model relates to the field of rubber particle production, in particular to a rubber particle production extrusion device. The utility model provides a rubber particle production extrusion device which can stir and discharge a rubber mixture, prevent blockage and caking, improve the production efficiency, reduce the cleaning time and improve the use convenience. A rubber particle production extrusion device comprises a supporting base, a granulation cylinder, a discharging cylinder and the like, the upper portion of the supporting base is connected with the granulation cylinder, and the upper side of the right portion of the granulation cylinder is connected with the discharging cylinder. The first motor drives the extrusion screw rod to rotate, so that the bevel gear rotates, the rotating shaft rotates, the flat belt rotates to drive the spiral conveying blade and the stirring frame to rotate to stir and discharge a rubber mixture, and the rubber mixture enters the granulation cylinder, so that the rubber mixture can be stirred and discharged; and blocking and caking are prevented, the production efficiency is improved, the cleaning time is shortened, and the use convenience is improved.

The application provides a BiFeO3-graphitic carbon nitride photocatalyst and a preparation method and application thereof, relates to the field of photocatalysis technology, and the preparation method comprises the following steps: dissolving a bismuth source and an iron source in a solvent, mixing with a mineralizer, and performing a hydrothermal synthesis reaction to obtain BiFeO3; performing first calcination treatment on a nitrogen-containing organic precursor to obtain graphitic carbon nitride; and performing grinding treatment and second calcination treatment on the mixture of BiFeO3 and graphitic carbon nitride to obtain the BiFeO3-graphitic carbon nitride photocatalyst. The preparation method can construct a Z-type heterojunction at the interface of the separately prepared BiFeO3 and graphitic carbon nitride, form an internal electric field, efficiently separate photo-generated electrons and holes, effectively inhibit the recombination of the photo-generated electrons and holes, finally significantly enhance the redox capacity of the material, and make the material exhibit excellent photocatalytic performance, high selectivity and good cycle stability.

The utility model discloses a split mounting type protection rack used in a wind power tower drum, and belongs to the technical field of wind power tower drum pouring structures. The device comprises a cylindrical barrel formed by annularly rolling an iron sheet for a plurality of circles; a fastening bandage is wound on the outer side face of the cylinder body in the circumferential direction of the cylinder body; a stand column is arranged in the middle of an inner cavity of the barrel. A plurality of groups of supporting rods are arranged on the upright post; the supporting rod is arranged in a cantilever shape in the horizontal direction. An ejector rod is arranged at the extending end of the supporting rod; the ejector rod is arranged in the vertical direction, and one side end face of the ejector rod abuts against the inner side wall of the cylinder. According to the utility model, the problems that the cost is high and the actual use requirement is difficult to meet when a steel template or a corrugated pipe is used as a mold in a cylindrical area at present are effectively solved.

The utility model provides a cap picture printing fixing tool. The cap picture printing fixing tool comprises a base, a lower die, a lifting assembly and an upper die. The lower die is fixedly arranged on the base; the lifting assembly comprises a lifter, the lifter is arranged on the base, and the bottom of the lifter is provided with a telescopic end capable of ascending and descending up and down; the upper die is arranged at the telescopic end, the upper die and the lower die are aligned in the vertical direction, the periphery of the upper die and the periphery of the lower die are matched to form an elliptic cylinder structure, the long axis of the elliptic cylinder structure is parallel to the horizontal direction, and the end, away from the telescopic end, of the elliptic cylinder structure extends into an inner cavity of the cap. And the cap is attached to the inner circumferential surface of the cap. According to the hat painting and printing fixing tool, the upper die and the lower die are accurately aligned, and the formed elliptic cylindrical structure enables a hat to be kept in a stable shape in the painting and printing process, the hat is firmly fixed to the tool, and deformation caused by external force or a flexible structure of the hat is avoided.

The utility model belongs to high -voltage electric porcelain technical field, concretely is a kind of anti-deformation pottery clay wine jar forming die, including support frame, still include: spraying assembly is set to support frame top inside;Send mud component, is set to support frame top outside;Moving assembly is set to support frame both sides inside;Die is real component, is set to moving assembly moving end;The utility model provides a kind of anti-deformation pottery clay wine jar forming die, before the two sides pottery clay mould is real, and spraying release agent on pottery clay mould inner wall, and release agent can reduce pottery clay and the adhesion of mould, ensure that pottery clay smoothly demould, avoid deformation or damage, secondly, it helps to ensure that pottery clay wine jar keeps stable shape during forming process, avoid partial pressure and deformation, furthermore, release agent can improve demoulding efficiency, reduce friction, to speed up production process, it can also protect mould surface, reduce wear and tear, extend the service life of mould, and reduce maintenance frequency.

The invention discloses a welding embracing ring assembly of a cylindrical structural part and a welding tool, and belongs to the technical field of cylindrical structural part welding. The method is used for solving at least one of the problems that in the prior art, a lower-layer skin of a cylindrical structural part lacks continuous and stable supporting, deformation or displacement is caused, welding seam gaps are not uniform, the centering precision of a to-be-welded welding seam is reduced, and the welding quality is poor. The welding embracing ring assembly comprises a front-end embracing ring, a rear-end embracing ring, a front-end shape maintaining assembly, a rear-end shape maintaining assembly and a middle shape maintaining assembly, wherein the front-end shape maintaining assembly, the rear-end shape maintaining assembly and the middle shape maintaining assembly are used for supporting a lower side skin; the front-end shape-maintaining assembly is arranged in the annular area of the front-end embracing ring and located on the inner wall of the inner concave position of the front end of the lower side skin, the rear-end shape-maintaining assembly is arranged in the annular area of the rear-end embracing ring and located on the inner wall of the inner concave position of the rear end of the lower side skin, and the middle shape-maintaining assembly is arranged between the front-end shape-maintaining assembly and the rear-end shape-maintaining assembly and located in the middle of the lower side skin. The method can be used for welding the cylindrical structural member.

Provided is a stereoscopic molding resin composition containing a multifunctional urethane (meth) acrylate having a molecular weight of 700 or more and 1,300 or less.

The utility model discloses a carton forming device for carton processing relates to carton forming technical field, including support frame, four limiting mechanisms are installed to the support frame outer surface, the support mechanism is installed to the support frame upper portion, and the control mechanism is installed to one side of support frame top, the utility model discloses through the displacement of cylinder drive moving block, and through the guiding effect of track plate ensures its stable operation, under the driving of moving block, the cooperation of connecting frame, promote the synchronous activity of connecting rod, even promote four support plates, make it arch and form a firm frame, support carton and do not occur deformation or collapse in forming and bonding process, the even arch of support plate effectively stabilizes carton shape, ensures its form does not change, provides reliable support force, when reverse motion, support plate reversely moves gently, is convenient for taking out the formed carton and carries out subsequent processing.

The present application relates to the technical field of concrete materials, and particularly relates to a kind of green low-carbon C30 self-compacting concrete using dry-mixed mortar tail powder and a preparation method thereof, comprising the following steps: S1, pre-slurry: dry-mixed mortar tail powder is screened to obtain pre-slurry; S2, composite cementitious material preparation; S3, self-compacting concrete preparation.The present application classifies pre-slurry by fine screening of dry-mixed mortar tail powder according to particle size, separates superfine powder, and densifies the composite cementitious material by mixing cement, fly ash and other components, to further mix the components uniformly, effectively solves the performance decline or instability problem caused by tail powder, and obtains C30 self-compacting concrete with excellent comprehensive performance.

The utility model relates to the technical field of hanging decorations, in particular to an ornament rotary heart-shaped lock catch structure which comprises a first semiellipsoid. The rotating assembly comprises a second semi-ellipsoid, the first semi-ellipsoid and the second semi-ellipsoid jointly form an ellipsoid, the second semi-ellipsoid and the first semi-ellipsoid are formed by slitting a tangent plane passing through the center of the ellipsoid, a rotating groove is formed in the tangent plane of the first semi-ellipsoid, and the first semi-ellipsoid and the second semi-ellipsoid are arranged in the rotating groove. An annular groove is formed in the tangent plane of the first semiellipsoid and is concentric with the rotating groove. According to the rotary heart-shaped lock catch structure for the ornament, the clamping block on the rotating piece is pushed through the acting force of the spring, so that the clamping block can be clamped in the clamping groove to form damping, and the situation that the first semiellipsoid and the second semiellipsoid are changed in shape through rotation when the second semiellipsoid is subjected to external slight acting force is avoided; therefore, the shape formed by the first semiellipsoid and the second semiellipsoid is more stable, and the influence of external factors is reduced.

The utility model relates to steel structure column foot anchor bolt construction technical field discloses a kind of anchor bolt type column foot mounting device and anchor bolt assembly with protective sleeve, anchor bolt type column foot mounting device includes: sleeve, with anchor bolt one-to-one corresponding cooperation, the diameter of sleeve is greater than anchor bolt diameter and less than anchor bolt nut diameter;Anchor bolt includes threaded portion, sleeve length covers threaded portion and extends along the direction away from anchor bolt and forms guide portion.Sleeve with diameter greater than anchor bolt stem but less than nut is set, the threaded portion of anchor bolt can be completely wrapped, effectively avoid the mechanical collision of bottom plate hole wall and threaded segment when column bottom plate falls, prevent plastic deformation even local defect of thread tooth shape, ensure that nut is smoothly installed in later period.Simultaneously, the guide portion formed by sleeve extension can guide anchor bolt to accurately pass through anchor bolt hole of column bottom plate when column foot is installed, reduce artificial adjustment time, improve construction efficiency, and reduce the thread abrasion risk caused by repeated alignment.

The application discloses a conjugated microporous polymer based on 4,4'-biphenyl dicarboxaldehyde, a preparation method and application, relates to the technical field of seawater desalination materials and sewage purification materials, and aims to overcome the technical problem of low photo-thermal conversion efficiency of the prior art.The structural formula of the conjugated microporous polymer based on 4,4'-biphenyl dicarboxaldehyde is as follows: the application provides an efficient, stable and low-cost solution for seawater desalination and sewage purification.

The utility model provides air treatment equipment which can comprise an equipment body, an air inlet and an air outlet. The air guide plate is rotatably arranged at the air outlet so as to open or close the air outlet; the air guide device is arranged on the air guide plate, the air guide device comprises a plurality of air guide blades which are movably arranged, and the air guide blades are used for adjusting the air outlet direction of the air outlet. According to the air treatment equipment, when air is supplied, air supplied out of the air outlet can have a wider coverage space by adjusting the opening angle of the air guide plate and adjusting the relative air guide angle of the air guide blades in two stages, so that the indoor temperature adjusting efficiency is improved, and the comfort degree of a user is improved.

The invention discloses a composite phase change heat storage material as well as a preparation method and application thereof, and belongs to the technical field of phase change heat storage materials. The invention discloses a composite phase change heat storage material which is prepared from the following components in percentage by mass: 50%-75% of a phase change core material, 20%-45% of a porous carrier matrix and 3%-10% of a heat conduction reinforcing agent, the porous carrier substrate is diatomite; the heat conduction reinforcing agent is expanded graphite. The technical problem that an existing phase change heat storage material is difficult to have high heat storage density, excellent shaping effect, high heat conductivity and good mechanical property at the same time is remarkably solved.

The utility model relates to foundry technology field especially relates to a vertical directional glass casting mould, it contains four identical size L type cast iron unit, L type cast iron unit is set up as cast iron piece of right angle bending. L type cast iron unit is through end point butt joint or overlapping nested and is pasted and constitutes the mould with longitudinal cavity to make glass liquid can flow in the height direction of pouring opening based on mould. The technical scheme presented in the application not only significantly improves the quality and efficiency of glass casting, but also reduces defects, improves the yield and performance of products. These improvements not only improve the overall quality of the product, but also provide a more reliable material basis for subsequent processing and application, with wide application prospect and significant economic benefits.

This application relates to the field of flexible electronics technology, and more particularly to multilayer flexible electronic devices, their fabrication methods, and applications. The fabrication method includes: providing a film unit, comprising a flexible film and a circuit bonded to a surface of the flexible film, wherein the surface of the film unit with the circuit bonded is designated as a first surface, and the surface opposite to the first surface is designated as a second surface; immersing the film unit and a first substrate in a liquid, performing a first bonding treatment on the first surface and the surface of the first substrate, and removing the film unit from the liquid to obtain a film composite unit; using the first surface of the film unit that has not undergone the first bonding treatment as a front surface, and the second surface of the film composite unit as a rear surface, performing a second bonding treatment on the front and rear surfaces; peeling the first substrate in the film composite unit after the second bonding treatment, so that the first surface in the film composite unit forms a new front surface; repeating the second bonding treatment and peeling treatment steps to obtain a multilayer flexible electronic device.

This utility model discloses an automotive trim strip rolling device, relating to the technical field of automotive trim strip rolling devices, including an upper fixed frame; several movable connecting inner frames are fixedly connected to the lower side of the upper fixed frame, and a connecting outer frame is provided at the lower outer end of the movable connecting inner frames, with a lower fixed frame fixedly connected to the lower side of the connecting outer frame; connecting blocks are fixedly connected to the upper ends of the left and right sides of the upper fixed frame, a connecting vertical rod is provided on one side of the connecting block, a connecting block groove is slotted on one side of the outer surface of the connecting vertical rod, a rotating bolt is threaded to the upper side of the connecting vertical rod, and an inner slider is fixedly connected to the lower side of the rotating bolt; a motor fixing frame is fixedly connected to the front left end of the upper and lower fixed frames, and a motor is fixedly connected to the upper side of the motor fixing frame; a side rotating shaft is fixedly connected to the output end of the motor, and a main sprocket is fixedly connected to the outer side of the side rotating shaft; a chain is engaged on the outer side of the main sprocket, and several driven sprockets are engaged on the inner right side of the chain.

The application belongs to the technical field of battery thermal management materials, and particularly relates to a full-weather battery thermal management material and a preparation method and application thereof. The full-weather battery thermal management material has the functions of high-temperature heat dissipation and low-temperature heating, and can realize bidirectional regulation of the battery temperature in a wide temperature range, which is conducive to prolonging the battery life and improving the safety and reliability in a full-weather environment.

This invention discloses a conjugated microporous polymer based on terephthalaldehyde, its preparation method, and its applications, relating to the technical fields of seawater desalination materials and wastewater purification materials. It aims to overcome the technical problem of low photothermal conversion efficiency in existing technologies. The structural formula of the conjugated microporous polymer based on terephthalaldehyde is as follows: [Structure formula would be inserted here]. This invention can provide an efficient, stable, and low-cost solution for seawater desalination and wastewater purification.

An electric heating constant-temperature barrel is fixedly connected to the bottom end of the inner side of a clamping supporting frame, extrusion electric push rods are clamped to the bottom end of the electric heating constant-temperature barrel, a closed supporting frame is clamped to the top ends of the multiple extrusion electric push rods, and a synchronous transmission box is clamped to the bottom end of the closed supporting frame; an output shaft of the synchronous transmission box is sleeved with a centrifugal separation sleeve, a centrifugal motor is installed at the position, located on the input shaft, of one end of the synchronous transmission box through a motor base, and a hollow protruding block is fixedly connected to the position, corresponding to the centrifugal separation sleeve, of the middle of the inner side of the electric heating constant-temperature barrel; the problems that in existing production, due to uneven feeding, uneven air inlet and insufficient external shaping, products are wrinkled, different in thickness and broken are solved, the production speed is increased, the production quality is guaranteed, the problem that in existing extrusion shaping, due to insufficient exhaust, extrusion protrusions or bursts, and defective products are generated is solved, and the production efficiency is improved. And the yield of products is further improved.

The utility model provides a kind of footwear, including shoe heel body and shoe collar, the shoe heel body includes inner layer and outer layer, the inner layer and outer layer are integrally woven by circular knitting machine, at least one filling layer and / or raised organization is formed between the inner layer and outer layer, the inner layer and outer layer form a cladding space, the cladding space has first thickness, the filling layer and / or raised organization has second thickness greater than first thickness, the shoe collar has integrally woven ankle curve. After using above-mentioned scheme, ankle curve is formed by stepped addition and subtraction needle, avoids the condition of foot abrasion, and enhances wearing comfort.

The utility model aims to solve the problem that the existing bottle is inconvenient to extrude and discharge liquid. The bottle body structure for containing the liquid comprises a bottle body and a cover body, and the bottle body and the cover body are detachably connected. The bottle body comprises an inner cavity and a shell; the inner cavity is nested in the shell; the side wall of the inner cavity is made of a flexible material with deformability; a hollow cavity is formed in the shell and is used for arranging an inner cavity; openings are formed in the bottom and the top of the shell respectively, the bottom opening of the shell is used for being placed in the inner cavity, the top opening of the shell is used for penetrating out of the inner cavity, and the part, penetrating out of the shell, of the inner cavity is connected with the cover body; notches penetrating through the outer portion of the shell and the cavity are formed in the two sides of the shell and extend downwards to the lower edge of the shell in the vertical direction. The inner cavity is conveniently extruded through the shell, stored liquid is extruded out, hands are prevented from being hurt, and meanwhile the shape of the shell is kept stable.

The utility model relates to the technical field of sweater shrink-proof expanding models, and discloses an inflatable sweater shrink-proof expanding model which comprises an inflatable and deflatable flexible air bag layer, the flexible air bag layer is divided into a collar, a trunk and arms, the end of the collar is provided with a circular section, the upper part of the collar is provided with a circular hanging ring, and the bottom of the collar is provided with an elliptical section; a pressing inflation ball and an air release valve are arranged at the bottom of the flexible air bag layer, the flexible air bag layer is inflated through the pressing inflation ball, and the air release valve is used for deflating; the flexible air bag layer is made of TPU / PVC composite materials, a three-dimensional expanding model conforming to the body shape of the human body is formed after inflation, the circular sections below the shrinkage type cuffs at the bottoms of the arms and the shrinkage type lower hem at the bottom of the trunk can be tightly attached to the cuffs and the lower hem of the sweater, in the wet shaping process, the cuffs and the lower hem are effectively prevented from curling and deforming, and the shaping effect is good. And the overall attractiveness of the sweater is ensured.

The application belongs to the technical field of composite phase change materials, and particularly relates to a preparation method of a corn cob / steel slag binary solid waste composite phase change energy storage material, which comprises the following steps: taking corn cob and steel slag as base matrix raw materials, performing carbonization treatment on the corn cob to construct a porous network cross-linked carbon matrix, performing high-temperature calcination treatment on the steel slag to reconstruct crystals, and mixing and co-sintering to form a binary solid waste framework. A phase change material is loaded into the binary solid waste framework through an immersion adsorption method, and finally the corn cob / steel slag binary solid waste composite phase change energy storage material is obtained. The application realizes resource utilization of solid wastes which are widely sourced and low in cost. The porous structure has adsorption performance and heat conduction performance. The solid waste composite phase change energy storage material prepared by the application has excellent heat storage performance and good stability and is not prone to leakage, and has a wide application prospect.

The application discloses a castings cold straightening device and belongs to the castings straightening field. The application comprises a cylindrical workpiece and a pushing assembly clamped at one end of the workpiece, the pushing assembly can drive the workpiece to rotate around an axis, push the workpiece to move in the axial direction or push the workpiece to move spirally in the axial direction. An inner support assembly is arranged inside the workpiece, the inner support assembly can gradually support outwardly to realize outward straightening from the inside of the workpiece. An outer roller assembly is arranged outside the workpiece, the outer roller assembly can be tangent to the outer wall of the workpiece, the outer roller assembly can gradually extrude the workpiece inwardly, and the outer roller assembly can rotate around the axis of the workpiece. The inner support assembly can gradually support outwardly, the application has the advantages of preventing the workpiece from being overloaded instantaneously and improving the uniformity. The outer roller assembly is arranged to form a roller straightening and prevent local stress from being too large.

An ITO target slurry preparation apparatus and method are provided. The ITO target slurry preparation apparatus includes: a tank; a porous zirconia plate with a pore size smaller than the diameter of the zirconium sand used for grinding; a water inlet; a drain outlet; a feed inlet; a discharge outlet located below the zirconia plate; a zirconium sand inlet; a circulation pipeline connecting the discharge outlet and the water inlet; a circulation pump installed on the circulation pipeline; an inner shaft; multiple inner shaft agitators; an outer shaft; multiple outer shaft agitators, alternately distributed with the multiple inner shaft agitators, each outer shaft agitator forming a flat cavity connected vertically in a plane formed by the horizontal and vertical directions, each flat cavity surrounding the outer shaft forming a volume that non-interferes with the volume formed by the corresponding inner shaft agitator rotating around the inner shaft, each outer shaft agitator being made of silicon steel sheet; multiple enameled copper coils wound around the corresponding outer shaft agitators for connection to an external power source; and a detachable screen located at the drain outlet, with mesh sizes smaller than the diameter of the zirconium sand.

This utility model discloses a high-sealing supercapacitor with double-layer rubber stoppers, relating to the field of capacitor technology. The key technical points are: it includes an aluminum shell, with a first rubber stopper and a second rubber stopper disposed at the top opening of the aluminum shell; a sealing element is formed between the first and second rubber stoppers by applying adhesive; an abutment block is integrally formed on the top of the first rubber stopper and abuts against the bottom of the second rubber stopper, forming a cavity to accommodate the sealing element. The purpose of this utility model is to provide a high-sealing supercapacitor with double-layer rubber stoppers.

This application discloses an air conditioner cleaning nozzle, belonging to the field of cleaning technology. The air conditioner cleaning nozzle includes a threaded head, one end of which is provided with a pipe mechanism. The pipe mechanism includes an extension hose fixedly connected to one end of the threaded head, and the threaded head is connected to the extension hose. Multiple connecting strips are fixedly connected to the outer wall of the extension hose, and each connecting strip has a through-groove. By installing fixing wires within the multiple connecting strips on the outer wall of the extension hose, the fixing wires possess excellent shaping ability, allowing them to bend freely according to the complex internal structure of the air conditioner, easily reaching narrow corners or curved pipes. This overcomes the limitations of traditional straight nozzles that cannot reach dead angles, ensuring that the cleaning agent covers all parts of the air conditioner's interior. Simultaneously, the fixing wires are also flexible, not easily springing back after bending, allowing the extension hose to stably maintain the required shape, avoiding incomplete cleaning due to hose displacement during the cleaning process, and improving cleaning efficiency and accuracy.

This invention provides a Cu-rich 0 / Cu + Copper-based catalysts with interfacial active sites, their preparation methods, and applications. The method involves: synthesizing conventional Cu₂O solid materials; subjecting the synthesized Cu₂O solid materials to thermal reduction treatment to obtain Cu-rich... 0 / Cu + A copper-based catalyst with interfacial active sites. The copper-based catalyst is rich in Cu. 0 / Cu + Interfacial active sites can significantly improve the catalytic activity of electrode materials; when used as a catalyst for electrocatalytic CO2 reduction in a flow electrochemical reaction cell testing system, it can achieve an efficiency of 500 mA / cm². 2 At industrial-grade current densities, the Faraday efficiency of electrocatalysis is >89%, where C 2+ The product has a Faraday efficiency greater than 77.4%, demonstrating excellent product selectivity and high conversion efficiency.

The utility model discloses an outdoor tent convenient to install and fix, which relates to the technical field of outdoor tents and comprises a support, the support comprises connecting plates, a cavity is arranged in the middle of the connecting plates, another connecting plate is rotatably arranged in the cavity, telescopic plates are slidably arranged at the tail ends of the left and right sides of the two connecting plates, and telescopic rods are arranged at the tail ends of the telescopic plates through hinge seats. Reinforcing rods, supporting rods and limiting bases are arranged at the tops of the connecting plates through inserting sleeves, and fixing bases and drill rods are arranged at the tail ends of the bottoms of the telescopic rods through mounting bases. According to the tent, the through holes in the telescopic rods are matched with the limiting rods, so that the height of the tent can be flexibly adjusted and locked; a sliding plate, an inserting rod, a reset spring, a supporting rod, a handle and other components in the hinge seat cooperate to limit and flexibly adjust the angle of the unfolded telescopic rod; the supporting rods are slidably connected with the limiting seats through the sliding grooves, the stability of the whole structure is enhanced in cooperation with the limiting frames, and in addition, the tent can be conveniently recycled and stored.