448 results about "Isosceles trapezoid" patented technology

The invention discloses an asymmetric extrusion preparation method for a heterogeneous magnesium alloy composite board with an adjustable layer thickness ratio. The method comprises the steps that an asymmetric extrusion die with an extrusion outlet deviating from the center is designed, and an extrusion deformation section is of a triangular section in the thickness direction and of an isosceles trapezoid section in the width direction; a VK41 magnesium alloy, a ZK61 alloy and pure magnesium are machined into blanks with the thicknesses of A, B and C, the blanks are combined according to the EZP sequence after homogenization treatment, the blanks are heated to 350-400 DEG C, heat preservation is conducted, and the extrusion speed is 1-2 mm / s; extruding by adopting an asymmetric die, and placing pure magnesium on the alpha angle side to obtain a three-layer composite board; and carrying out folding or V-shaped bending test on the processed sample. By regulating and controlling the ratio of A: B: C and the extrusion shrinkage angle, accurately controlling the layer thickness ratio, introducing shear strain to improve the texture, coordinating the tension and compression asymmetry and remarkably improving the bending performance, the process is simple, and the method is suitable for industrial production and is suitable for the fields of aerospace, automobiles and the like.

The utility model discloses a prism structure, a visual angle expanding film, a backlight module and a display device, and relates to the technical field of optical films. The prism structure comprises a plurality of first prism parts and a plurality of second prism parts, the top of the second prism part is connected with the bottoms of the first prism parts; wherein the cross sections of the first prism parts are isosceles right triangles, the cross sections of the second prism parts are isosceles trapezoids, and the top width of the second prism parts is the total bottom width of the first prism parts. According to the utility model, the problems that the 1 / 2 light intensity range in the horizontal direction of a general display is within + / -50 degrees, and the 1 / 2 light intensity range in the vertical direction of the general display is within + / -35 degrees due to a single prism sheet, or a diffusion film and prism sheet bonding (DOP) / micro lens film and prism sheet bonding (MOP) and other structures with single prism layers in the current brightness enhancement film technology are solved; if a double-layer prism framework optical film scheme is used, the 1 / 2 light intensity range in the horizontal direction and the 1 / 2 light intensity range in the vertical direction are both lower than + / -35 degrees.

The invention relates to a reconfigurable metasurface analog calculator based on a lithium niobate film. The reconfigurable metasurface analog calculator comprises a substrate and a lithium niobate unit, the plurality of lithium niobate units are periodically arranged on the substrate to form a metasurface structure, and the cross section of each lithium niobate unit is an isosceles trapezoid; incident light vertically enters the metasurface structure, and the transmission coefficient and phase distribution of the metasurface structure are changed by changing external bias voltage applied to the lithium niobate units, so that conversion and reconstruction of a mathematical operation function are realized; the mathematical operation comprises first-order differential operation, second-order differential operation and integral operation. According to the invention, different external bias voltages are applied to the periodically arranged lithium niobate units, so that the transmission coefficient and phase distribution of incident light by the metasurface structure can be accurately regulated and controlled, and the same metasurface device can be flexibly switched among different mathematical operation functions such as first-order differential, second-order differential and integral. And various calculation functions can be realized without changing a physical structure.

The invention relates to the consumer goods industry, and more particularly to packaging means. An octagonal food container with a divider comprises a receptacle and a lid. The receptacle has an octagonal base with a divider in the form of a ridge. Opposing sides of the base of the receptacle form pairs in which the sides have the same length and are parallel to one another. The side surfaces of the receptacle are in the form of four pairs of isosceles trapezoids, the smaller bases of which are connected to the base of the receptacle. The larger bases of the trapezoids of the receptacle are connected to a horizontal ledge of the receptacle, the outer edge of which is bent downwards The divider connects the larger lateral sides of the receptacle. The lid has along its edges a horizontal ledge corresponding to the ledge of the receptacle, the outer edge of which is bent downwards. The lid is provided with a lock in the form of depressions on each side of the lid for connecting the lid to the receptacle. The technical result is an increase in the rigidity of the container closed with the lid.

The invention relates to the technical field of adsorption grabbing, in particular to a grabbing mechanism based on vacuum adsorption. The grabbing mechanism based on vacuum adsorption comprises a fixing frame, a moving groove is formed in the lower side of the inner wall of the fixing frame, clamping blocks used for grabbing materials are slidably connected to the two sides of the inner wall of the moving groove, and a telescopic cylinder is fixedly connected to the top of the fixing frame. The telescopic rod drives the long strip to move up and down, isosceles trapezoid connecting blocks on the two sides of the long strip are in sliding fit with isosceles trapezoid long grooves in moving blocks, the moving blocks are of right trapezoid structures, and when the long strip moves upwards, the two moving blocks can be driven to synchronously get close to each other along the moving grooves. When the long strip moves downwards, the moving block is made to be away from the moving groove in the reverse direction, the limiting strip of the moving block is matched with the limiting groove of the moving groove to prevent deviation, then the distance between the clamping strips can be flexibly changed by adjusting the stroke of the telescopic cylinder, and therefore the clamping device adapts to materials of different widths and sizes, rapid clamping of the materials is achieved, and the production efficiency of the materials is guaranteed.

The utility model relates to the field of escape pipeline, especially escape pipeline. Including escape pipeline body and pipeline transfer assembly, pipeline transfer assembly is located at both ends of escape pipeline body, and pipeline transfer assembly includes two air cylinders and four steel sheets, and the air cylinder is fixed on the outer wall of escape pipeline body, and the output end of air cylinder is fixedly connected with the adjusting plate, the section of adjusting plate is isosceles trapezoid, and the two oblique waist sides of adjusting plate are all provided with slide hole, and the inner wall of slide hole is slidably connected with sliding plate, and the side of sliding plate is fixedly connected with the plug rod, and the section of plug rod is rectangle, and the side of four steel pipes is all fixedly connected with the fixed plate. The utility model provides an escape pipeline with the advantages that the escape pipeline can be conveniently transported to different positions according to the use requirement, the mobility and deployment efficiency of escape pipeline are improved, and the escape pipeline can be conveniently disassembled and assembled.

The application discloses a compact dielectric resonator antenna module, which comprises a substrate assembly and a dielectric resonator arranged on the substrate assembly. The dielectric resonator comprises a connecting part and four isosceles trapezoidal columns. The height of the connecting part is less than the height of the isosceles trapezoidal columns. The four isosceles trapezoidal columns are evenly distributed around the connecting part. The short bottom surface of the isosceles trapezoidal column is connected with the connecting part. The long bottom surface of the isosceles trapezoidal column has a compensation part extending away from the connecting part. The connecting part, the isosceles trapezoidal column and the compensation part are integrally formed into an integrated structure. The dielectric resonator antenna module has a compact structure and a small overall volume. The dielectric resonator only needs to be installed once as a whole, thereby reducing the alignment error generated in the installation process and facilitating the guarantee of the antenna performance. The height difference between the connecting part and the isosceles trapezoidal column in the height direction achieves a decoupling effect to some extent, thereby reducing the coupling between the isosceles trapezoidal columns. The dielectric resonator antenna module can cover the N258 frequency band in 5G.

The utility model provides a fly cutter holder of a long material flaking machine, which relates to the field of fly cutter holders and comprises a main body unit, the main body unit comprises a cutter holder body, the top of the cutter holder body is provided with a through groove, and an inner cavity of the through groove is detachably connected with a fly cutter body; the tool apron body is an installation foundation of the fly cutter, the through groove is used for inserting and fixing the fly cutter body, the inner wall of the through groove does not affect angle adjustment of the fly cutter body due to the fact that the side view shape of the through groove is the isosceles trapezoid, and the installation frame is used for further fixing and supporting the fly cutter body to ensure stability of the fly cutter body in the cutting process. The threaded column is in threaded connection with the threaded plate, front-back adjustment of the position of the mounting frame is achieved, and therefore the rotating shaft is matched to adjust the cutting angle of the fly cutter body, the purpose of reducing resistance in the cutting process is achieved, the thickness, the uniformity and the surface smoothness of wood shavings can be controlled, and the wood shaving quality is improved.

The invention relates to the technical field of stainless steel materials, in particular to a high-precision stainless steel structure easy to machine. According to the technical scheme, the device comprises a cuboid-shaped first main body matching column, a second main body matching column which is integrally formed and identical in length is arranged at the lower end of the first main body matching column, and the projection of the second main body matching column in the front-back direction is of an isosceles trapezoid structure; the width of the upper end of the second main body matching column is the same as that of the first main body matching column, a cylindrical center matching connecting hole penetrating through the whole front-back direction is formed in the front face of the first main body matching column, and a combined connecting matching groove penetrating through the whole front-back direction is formed in the front face of the second main body matching column. The machining tool has the advantages that material waste can be effectively reduced during later machining, the machining precision is improved, and when structures such as fastening holes are machined, the machining tool can be matched with a precise positioning groove for positioning and matching during machining.

The utility model discloses a multi-bin paper-based micro-fluidic chip for visual detection of bacterial drug resistance. The multi-bin paper-based micro-fluidic chip comprises a hydrophilic paper base, the detection mechanism is a hydrophilic channel established on the hydrophilic paper base; the detection mechanism comprises a sample adding bin and an anti-overflow bin, and the appearance of the anti-overflow bin is circular; one end of the anti-overflow channel is communicated with the sample adding bin, and the other end of the anti-overflow channel is communicated with the anti-overflow bin; the appearance of each reaction bin is an isosceles trapezoid; the plurality of reaction bins are uniformly distributed in a fan shape by taking the circle center of the sample adding bin as a central original point; one end of each diffusion channel is communicated with the reaction bin, and the other end of each diffusion channel is communicated with the sample adding bin; wherein the diffusion channels and the reaction bins are arranged in a one-to-one correspondence manner; the hydrophobic barrier structure is a hydrophobic area formed on the hydrophilic paper base through wax spraying printing along the outer edge of the detection mechanism. According to the multi-bin paper-based micro-fluidic chip for visual detection of bacterial drug resistance, provided by the utility model, rapid, high-throughput and low-cost detection of multiple bacterial drug resistance can be realized.

The invention discloses an assembly type wind power tower tube structure and method, and particularly relates to the technical field of wind power towers, a connecting plate is arranged between two circumferentially adjacent corrugated tower plates, a connecting assembly is arranged between two vertically adjacent corrugated tower plates, and a positioning mechanism is arranged on the connecting plate. The positioning mechanism comprises a laser transmitter arranged at the topmost end of the connecting plate, a diffuse reflection plate is arranged on the connecting assembly, and the transmitting end of the laser transmitter faces the corresponding diffuse reflection plate. According to the invention, by arranging the corrugated tower plate with the longitudinal section in the shape of the isosceles trapezoid with the wide lower part and the narrow upper part, the thickness of the corrugated tower plate is gradually thinned from bottom to top, so that the thickness of the whole plate of the tower drum is gradually thinned from bottom to top, and the problems of stress concentration and high gravity center of the middle-upper section of the tower drum are avoided; the overall wind resistance of the tower drum is effectively improved, and the gravity center height of the tower drum is remarkably reduced.

The utility model discloses a top and bottom counter -lock formula optical fiber V groove belongs to optical fiber field, the top of fixed plate is provided with another fixed plate, and a plurality of optical fiber main parts are placed between fixed plate and fixed plate, the top of each fixed plate is equipped with a plurality of V type grooves that are arranged at equal intervals, the bottom of each fixed plate is equipped with limiting protrusion, and each limiting protrusion of fixed plate is embedded in the inside of each V type groove of bottom fixed plate after two fixed plates are assembled, the section of limiting protrusion is isosceles trapezoidal shape, and the bottom of limiting protrusion is equipped with arc groove, the embedded cooperation structure of limiting protrusion and V type groove is set up, so that the automatic, accurate horizontal and longitudinal positioning of top and bottom fixed plate can be realized when buckling, effectively avoid the optical fiber shearing stress that the traditional structure produces because of misplacement, significantly reduce the insertion loss, and improve the long -term mechanical stability and reliability of array.

The utility model relates to the technical field of oil tanks, in particular to an oil tank filling and coating turnover machine. Comprising a main body supporting framework, a rotating support, a working platform and an oil tank, the main body supporting framework comprises a bottom plate and vertical frames, the bottom plate is of a rectangular flat plate structure, the vertical frames are symmetrically arranged on the two sides of the bottom plate and are vertically arranged, the vertical frames are of an isosceles trapezoid structure, and the two sides of the rotating support are connected with the vertical frames on the two sides through a driving shaft and a driven shaft respectively; the working platform is arranged on the rotating support, and the oil tank is arranged on the working platform through the positioning assembly. According to the device, the production efficiency is improved, reworking, repairing and scrapping of products are reduced, and the labor amount for machining is greatly reduced. The device is mainly applied to oil tank filling and coating.

The utility model relates to the technical field of salt spray testing of mobile phone accessories, and aims to solve the problems that materials are tightly stacked and acid mist and acid liquor cannot quickly permeate into the materials to achieve a sufficient testing effect when a material placing plate is used for carrying the materials for salt spray testing in the prior art. The utility model provides a mobile phone accessory salt mist testing device which comprises a detection box body, a pair of mist spraying assemblies and a pair of material containing net baskets, the pair of material containing net baskets is arranged between the pair of spraying assemblies in a spaced mode. The cross section of the material containing net basket is in an isosceles trapezoid shape. The pair of spraying assemblies are oppositely arranged in the detection box body in a penetrating manner; one end, penetrating into the detection box body, of the spraying assembly is a liquid outlet end; the liquid outlet end is parallel to the bevel edge of the isosceles trapezoid; according to the utility model, the material containing net basket with the isosceles trapezoid-shaped cross section is adopted, so that the permeation area of acid mist is increased, the acid mist can fully permeate into the basket, close accumulation of accessories can be avoided, and a comprehensive and sufficient detection effect is achieved.

The utility model relates to a screwing tool for a cylinder valve of a gas cylinder, which aims at solving the technical problem that a valve core of the gas cylinder is not easy to screw after being used for a long time, and adopts the technical scheme that an isosceles trapezoid clamping hole is formed in the upper part of a rectangular screwing plate, the clamping hole is narrow at the upper part and wide at the lower part, and the length of the upper bottom is smaller than the diameter of the valve core; the length of the lower bottom is larger than the diameter of the valve element, the included angle alpha between the waist and the lower bottom is larger than or equal to 75 degrees and smaller than 90 degrees, withdrawing blocks are fixedly arranged on the edges of one side or the two sides or the middle of the side wall of the screwing plate, a cushion block is fixedly arranged at the top end, and the width of the cushion block is larger than the thickness of the screwing plate. The valve element can be completely clamped through the trapezoid clamping hole, the valve element is loosened according to the lever principle, the length of the screwing plate can be adjusted according to needs, operation is easy, and operation efficiency is greatly improved.

The utility model discloses a thermal power plant boiler soot blower pipeline connecting structure which comprises a soot blower pipeline and a boiler pipeline, the soot blower pipeline is arranged on one side of the boiler pipeline, the outer wall of one end of the soot blower pipeline is communicated with a variable-diameter pipeline in a welding mode, the section of the variable-diameter pipeline is of an isosceles trapezoid structure, and the section of the variable-diameter pipeline is of an isosceles trapezoid structure. A rubber pad is bonded to the outer wall of the variable-diameter pipeline, the thickness of the rubber pad is 5 mm, and a steel wire is embedded in the rubber pad. The innovative design that the cross section of the variable-diameter pipeline is in the shape of the isosceles trapezoid is adopted, the unique structure endows the connecting structure with strong adaptive capacity, after the variable-diameter pipeline is inserted into the boiler pipeline, the rubber pad adhered to the outer wall of the variable-diameter pipeline can be tightly extruded with a port of the inner wall of the boiler pipeline, and the variable-diameter pipeline can be in butt joint with boiler pipelines with different calibers. The universality and the market adaptability of the product are greatly improved, and the installation limitation and the cost caused by the caliber difference of the boiler pipeline are reduced.

The utility model discloses a sauce packaging bag which comprises bag pieces, the bag pieces are matched together to form a bag body, a first bag cavity and a second bag cavity are formed in the bag body, two sub heat insulation sealing parts are arranged on the bag body, and the two sub heat insulation sealing parts are in a non-contact state. An extrusion channel in an isosceles trapezoid shape is formed between the two branch heat insulation sealing parts, the narrow end of the extrusion channel is connected with the second bag cavity, the wide end of the extrusion channel is connected with the first bag cavity, a sealable zipper is arranged in the bag body and located at the extrusion channel, an easy-to-tear opening is formed in the bag body, and the easy-to-tear opening is communicated with the extrusion channel. The easy-to-tear opening is located in the peripheral edge of the second bag cavity, and a feeding opening is formed in the bag body and connected with the first bag cavity. According to the packaging bag, sauce can be extruded out of the first bag cavity through the extrusion channel, the extrusion channel is in the shape of an isosceles trapezoid, the narrow edge of the extrusion channel is a small opening of 2-5 mm, and the extrusion amount is easier to control.

The invention provides a long-acting marking line with a water guide structure, and relates to the technical field of road administration engineering. The marking base body is of a rectangular frame brick body structure, and the upper end of the marking base body is in butt joint with a frame body and is provided with a water guide cushion piece; a marking surface body is arranged at the upper end of the water guide cushion piece and is flush with the surface of the roadbed. According to the long-acting marking line with the water guide structure, through the integrated structural design, the obvious beneficial effects in multiple aspects are achieved. The road marking has the core effects that efficient and active drainage and filtering functions are realized, and the isosceles trapezoid filtering positive bodies and the isosceles trapezoid filtering negative bodies which are distributed in the marking surface body in a staggered manner form unique surface textures, so that road surface water flow can be effectively guided and divided, the thickness of a water flow film is reduced, the skid resistance in rainy days is improved, solid impurities such as silt can be intercepted, and the service life of the road marking is prolonged. And blockage caused by entering downstream is prevented.

The utility model discloses a convex ceramic disc and an annular belt large disc capable of improving wafer flatness, and relates to the field of wafer polishing equipment, the convex ceramic disc and the annular belt large disc comprise a convex ceramic disc and an annular belt large disc, a wafer mounting surface at the bottom of the convex ceramic disc is an arc-shaped convex surface with preset convexity; the annular belt large disc comprises a large disc body and an annular belt used for adjusting the disc type of the large disc body, the annular belt is concentrically installed on the upper surface of the large disc body, and the section of the annular belt is in a stepped isosceles trapezoid shape or a rectangular shape. And the arc-shaped convex surface of the convex ceramic disc is matched with the annular belt large disc, so that the problems of non-uniform distribution of the polishing solution and non-uniform distribution of the wafer pressure are effectively solved, and the flatness of the wafer can be effectively improved.

The invention discloses a mounting structure of an automobile tail door motor, relates to the related field of motor mounting, and aims to solve the problem that a motor in the prior art is directly mounted in an outer sleeve and is inconvenient to maintain and replace independently. An isosceles trapezoid block is fixed at the upper end of the connecting column; side fixing seats are fixed to the rear end of the outer C-shaped fixing frame along the two sides of the isosceles trapezoid block, positioning fixing rods are slidably connected into the side fixing seats, right trapezoid blocks are fixed to the inner ends of the positioning fixing rods, and second pressure springs are arranged between the right trapezoid blocks and the side fixing seats along the outer portions of the positioning fixing rods. The telescopic assembly comprises a third rotating piece, the third rotating piece comprises two second cylindrical connecting parts and a second middle plate part integrally connected between the two second cylindrical connecting parts, and the front end of the second cylindrical connecting part at the front end is integrally connected with a rear fixing part. Limiting fixing holes matched with the positioning fixing rods in position are formed in the rear fixing part.

The invention relates to the technical field of shock absorption supporting of aircrafts, and discloses a low-frequency shock absorption supporting structure and an aircraft, and the supporting structure is a metamaterial which is formed by arranging a plurality of cell element structures with the same structure in a planar array mode to form one or more layers of coupled and stacked metamaterials; the cell structure is a cylindrical structure enclosed by four wall plates, and a cavity is formed in the cell structure; each wall plate comprises a first plate section and second plate sections located on the upper side and the lower side of the first plate section. The first plate section is rectangular, and the second plate section is isosceles trapezoid; the first plate section is provided with two first edges which are opposite up and down; the second plate section is provided with a second edge parallel to the first edge, and the second edge is shorter than the first edge; the first plate sections of the adjacent cell structures are attached to each other, and the openings of the upper and lower cell structures are aligned during stacking. Through relative compression deformation motion between the top substrate and the cell element structure, vibration energy is absorbed, and the influence of vibration on precise instruments in the aircraft is reduced.

The utility model provides a sharp instrument box protective sleeve which comprises a protective sleeve body, the protective sleeve body is arranged on the outer ring of a box body of a sharp instrument box in a sleeved mode, a plurality of storage sleeves arranged at intervals are arranged on the outer ring of the protective sleeve body, any storage sleeve is an isosceles trapezoid shell, and the isosceles trapezoid shell is arranged in a structure with the large upper portion and the small lower portion. Scissors are placed in the storage sleeve; the protective sleeve body and the storage sleeve are both made of silica gel materials. The whole sharp instrument box protection sleeve is made of silica gel, so that the fitting degree of the sharp instrument box protection sleeve body and a sharp instrument box is increased, and the service life is prolonged; the sharp instrument box protection sleeve body is sleeved on the outer ring of the box body of the sharp instrument box, so that the appearance and the size of the existing sharp instrument box do not need to be changed; in the using process, only the sharp instrument box needs to be replaced, the production cost is saved, and social resources are saved; the storage sleeve adopts an isosceles trapezoid shell which is arranged in a big-end-up structure, the isosceles trapezoid shell can facilitate storage of the scissors, and the scissors are convenient to use and accord with operation specifications.

The invention provides a novel group sawing machine tensioning structure and a group sawing machine thereof, and relates to the field of rope sawing machines, the tensioning structure comprises a main body supporting assembly, a plurality of wheel sets, a pre-tensioning assembly and an adjusting assembly, the plurality of wheel sets form an isosceles trapezoid quadrilateral wheel train, the span of a driving wheel set and a driven wheel set is optimized, and no guide wheel is needed; the supporting wheel set is driven by the pre-tensioning assembly to swing so as to apply pre-tensioning force, the tensioning wheel set is driven by the adjusting assembly to move so as to conduct secondary tensioning, and the tensioning wheel set can be independently adjusted. The group sawing machine comprises the tensioning structure, a rack, a lifting mechanism and a control system. By optimizing the layout, the span between the driving wheel and the driven wheel is reduced, a guide wheel is omitted, meanwhile, the larger cutting height is achieved, and the effects that tensioning operation is convenient and fast, and the device can adapt to different plate thicknesses are achieved.

The utility model discloses a sofa of visual inner support structure relates to furniture technical field, including bottom frame and integrated backplate. This sofa of visual inner support structure bottom frame adopts the transparent design of PC material quality, not only direct show internal support structure, promote product technology transparency and aesthetic value, still utilize the high strength and impact resistance of PC material, ensure that the structure is firm and durable, the wedge interlocking design of isosceles trapezoidal convex rod and recess, through the self -lock principle and enhance the anti -lateral displacement ability of horizontal support beam, cooperate horizontal support beam and the mortise -and -tenon joint of longitudinal support beam, form cross grid support system, effectively disperse stress and restrain deformation, prolong the service life of sofa, the combination of four groups of lifting support leg and rubber pad, realize height adjustment and antiskid damping function, prolong the service life, whole design gives consideration to mechanics stability, functional flexibility and visual display, satisfy the double demand of quality and aesthetics to modern house.

The utility model discloses a honeysuckle planting supporting device, and relates to the technical field of agricultural planting. The honeysuckle flower planting frame comprises a rectangular mounting frame, and honeysuckle flowers are planted in the mounting frame; the fixing frames are fixedly arranged at the top of the mounting frame at equal intervals, and the fixing frames are in an isosceles trapezoid shape; the supporting rods are detachably arranged on the two bevel edges and the top of the fixing frame, and the supporting rods are used for supporting honeysuckle branches; the connecting rod is arranged at the end, away from the fixing frame, of the supporting rod. The main branches of honeysuckle are supported, the branches are effectively supported through the design of the supporting rods and the connecting rods, the overall photosynthesis efficiency and the flowering and fruiting rate are improved, and therefore the yield and the quality are improved, the supporting rods are detachably designed, installation and maintenance are convenient, and under the severe weather condition, the supporting rods can be used for supporting the main branches of honeysuckle. A plastic film can be conveniently laid to protect honeysuckle plants, and the practicability and adaptability of the device are enhanced.

A pipe joint assembly comprises a gasket and two pipes. The gasket is flexible and has a through hole. Each pipe has a terminal connecting the gasket. Each terminal has a set of grooves and protrusions on a connecting surface to fit the sets on two sides of the gasket. Cross sections of protrusions are isosceles trapezoid.

The utility model relates to the technical field of mineral powder processing, in particular to uniform-drying mineral powder processing equipment which comprises a drying barrel, a feeding port is formed in the center of the top of the drying barrel, a discharging port is formed in the lower portion of the side face of the drying barrel, and a fixing disc is coaxially and fixedly installed in the drying barrel. A feed opening is formed in the middle of the fixed disc; grinding discs are installed above the fixed disc at intervals, an installation groove is formed in the peripheral face of each grinding disc, a hot air box used for supplying hot air to the periphery of the installation groove is arranged on the outer side of the drying barrel, a rotating disc is fixedly installed above the grinding discs, and the rotating disc is located under the discharging port; the projection contour of the side view of the rotating disc is an isosceles trapezoid, and a driving motor stretching into the drying barrel to drive the rolling disc and the rotating disc to rotate is arranged at the bottom of the drying barrel. According to the utility model, accumulated mineral powder can uniformly slide downwards from the periphery of the rotating disc, so that water in the mineral powder can be taken away more uniformly and efficiently.

The utility model relates to the technical field of metal product processing, in particular to a fixing device for metal product processing, which comprises two support plates, a base is fixedly mounted on the upper surfaces of the two support plates, two mounting blocks are fixedly mounted on the surface of the base, and screw rods are in threaded connection with the interiors of the two mounting blocks. And a positioning structure is arranged on the surface of the base and comprises two clamping plates slidably connected to the surface of the supporting plate, the lead screws are rotationally connected with the interiors of the clamping plates, positioning plates are fixedly installed on the lower sides of the clamping plates, and positioning grooves of isosceles trapezoid structures are formed in the surfaces of the positioning plates. According to the metal product machining fixing device, the positioning structure is arranged, so that metal products such as a metal net, a metal plate, a metal sheet and a metal steel bar can be conveniently positioned, clamped or tensioned, subsequent cutting machining work on the metal products is facilitated, and the use performance of the metal product machining fixing device is improved to a certain extent.

The utility model discloses a balance car supporting device and belongs to the field of balance car accessories, the supporting device comprises a car body and a supporting mechanism, the supporting mechanism is fixedly installed on the car body and can support the two sides of the car body, the supporting mechanism comprises a connecting part fixedly installed on the car body, and a supporting part is rotatably installed on the connecting part; the supporting part is arranged on the central axis of the long side of the vehicle body, the supporting part is fixedly provided with a supporting plate, the supporting plate is designed to be in an isosceles trapezoid shape, the end, close to the supporting part, of the supporting plate is a horizontal narrow side, and the end, away from the supporting part, of the supporting plate is a horizontal long side. According to the supporting device, the bottom of the supporting plate makes contact with the ground, and the two sides of the bottom of the vehicle body are equally supported through the symmetrically-distributed long edges, so that the two sides of the vehicle body are stably supported when the vehicle body is parked, the vehicle body is not prone to inclining towards one side due to external force, the vehicle body is prevented from being impacted and damaged, and safety is higher.