327results about How to "Improve structural rigidity" patented technology

The invention discloses a composite material storage box forming mold and a manufacturing method thereof, and belongs to the technical field of composite material forming molds. An end socket connecting block, an end socket cylinder section connecting ring, a split type cylinder body assembly, a cap-shaped reinforcing rib and the like are manufactured in parallel and assembled to obtain the composite material storage box forming mold. The self-weight of the mold is greatly reduced while the outer molded surface of the combined mold is guaranteed, the mold filling and demolding processes are simplified, the end socket is left in the product after the product is formed, the strength and rigidity of the storage box are improved, and a stable connecting port can be provided.

The invention provides wafer coating equipment and a wafer coating process, and the wafer coating equipment comprises a rack, a driving assembly, a stop lever, a rotating seat and a wafer clamp, a limiting block is arranged on the rack, and a first limiting groove and a second limiting groove are formed in the limiting block; the driving assembly comprises a driving device and a transmission shaft; the gear rod is connected to the transmission shaft in a penetrating mode, a first limiting protruding block and a second limiting protruding block are arranged at the two ends of the gear rod respectively, the first limiting protruding block is provided with a first limiting face used for abutting against the first limiting groove, the second limiting protruding block is provided with a second limiting face, and the second limiting face is used for abutting against the second limiting groove after the transmission shaft rotates by 180 degrees. The second limiting surface and the first limiting surface are coplanar, and the axis of the transmission shaft is located in the second limiting surface; the rotating seat is respectively connected with the transmission shaft and the wafer clamp; the wafer clamp is used for placing a wafer. According to the wafer coating equipment, limiting is carried out through a mechanical structure, adjustment is convenient, the positioning precision is high, the structural rigidity is high, and the reliability is improved.

The invention discloses a driving arm type bidirectional rotating gate which comprises a rotating gate body, a hydraulic oil cylinder and a locking device, and the hydraulic oil cylinder and the locking device are both installed on gate piers on the two sides of the rotating gate body. The rotary gate comprises a gate body, a supporting arm and a driving arm, the supporting arm and the driving arm are arranged at the two ends of the gate body, the gate body and the supporting arm are connected or welded into a whole through high-strength bolts, one end of the driving arm is installed at the rotating center of the supporting arm, the driving arm and the supporting arm are hinged to a supporting hinge installed in a gate pier, and the other end of the driving arm is hinged to a gate pier. The middle of the driving arm is connected with the supporting arm through a pin shaft, the other end of the driving arm is connected with a hanging head of the hydraulic oil cylinder through a pin shaft, and the rotary gate is driven by the hydraulic oil cylinder to rotate around the supporting hinge. And a locking bolt of the locking device is inserted into a locking pin hole in the support arm to lock the rotary gate. The method is convenient to operate, high in efficiency and safe and reliable in operation process.

The unmanned aerial vehicle is characterized in that four buffer legs are elastically supported on the four side walls of a material bearing seat, two connecting rods are distributed in a cross shape, the two ends of each connecting rod are correspondingly hinged to the two buffer legs, each connecting rod is sleeved with a spring and two buffer sleeves, the spring is arranged between the two buffer sleeves, and the two buffer sleeves are connected with the material bearing seat. Every two of the four buffering arms form a group, the two buffering arms in each group are distributed in a V shape, one ends of the buffering arms are hinged to the material bearing base, and the other ends of the buffering arms are hinged to the two buffering sleeves on the same connecting rod. When the unmanned aerial vehicle lands on an uneven road surface, the buffer structure can absorb and weaken impact from the road surface. The springs can be compressed when the buffer legs meet the protrusions, impact energy is stored as elastic potential energy, and vibration is prevented from being directly transmitted to the machine body.

The utility model relates to the technical field of slope protection, in particular to a reinforced microphone pad ecological protection slope which comprises a sealing layer, a backfill soil layer, an anchor net layer, a planting soil layer and a reinforced microphone pad which are sequentially laid from inside to outside along the slope surface of a medium-weathered rock or strong-weathered rock slope, a plurality of grouting anchor rods are arranged along the slope in an array mode, and a plurality of anchor nails are arranged in an array mode. A plurality of drainage pipes are embedded in the side slope and penetrate through a sealing layer, a backfill soil layer, an anchor net layer, a planting soil layer and a reinforced microphone pad from the interior of a side slope soil body, the sealing layer comprises concrete and a reinforcing mesh, the reinforcing mesh is embedded in the concrete, the reinforcing mesh, the anchor net layer and the reinforced microphone pad are connected with grouting anchor rods respectively, and the reinforced microphone pad is connected with anchor nails. The slope is sealed and isolated, rainwater is prevented from entering the rock mass, and slope instability is avoided; water in the side slope is discharged by arranging the drainage pipe, and the backfill soil layer, the anchor net layer, the planting soil layer and the reinforced microphone pad are sequentially laid on the sealing layer, so that green plants can be planted on the side slope, and an ecological protection slope is formed.

The invention discloses a polyarylether sulfone polymer and a preparation method and application thereof. The preparation method of the polyarylether sulfone polymer comprises the following steps: carrying out condensation polymerization on a bisphenol compound and a dihalogen diphenyl sulfone derivative, boiling, washing and drying to obtain polyarylether sulfone resin. According to the polyarylether sulphone resin disclosed by the invention, by introducing benzoyl, the conjugation degree of a main chain of a polymer is increased, and the rigidity of the main chain is improved, so that the polyarylether sulphone resin has good thermal stability and dimensional stability; meanwhile, the hydrophilicity of the resin is improved due to the increase of carbonyl. The development and utilization prospects in the fields of sewage treatment, gas separation, solid electrolyte, battery diaphragms and the like are very wide. The invention aims to provide a novel high-temperature-resistant hydrophilic polyarylether sulfone resin and a preparation method thereof, i.e., a benzoyl group is introduced into a main chain structure of polyarylether sulfone, so that the structural rigidity of a polymer is improved, and the hydrophilicity is increased.

The invention provides a mobile air conditioner capable of changing the cold air outlet direction and provided with obliquely-installed coaxial cold and hot air ducts, which comprises a shell serving as a mounting carrier, an air inlet, an air outlet, an air outlet, an air inlet and an air outlet, the shell is hollow, and a mounting cavity is formed in the shell; the volute assembly is obliquely arranged in the mounting cavity, the volute assembly comprises an upper volute assembly and a lower volute assembly located below the upper volute assembly, an upper volute cavity and a lower volute cavity are formed in the upper volute assembly and the lower volute assembly respectively, the upper volute cavity and the lower volute cavity are coaxially arranged, and the axis of the upper volute cavity and the axis of the lower volute cavity incline to the horizontal plane; an exhaust channel is arranged on the side wall of the upper volute cavity, extends upwards, is in butt joint with a first air outlet in the top of the shell and is used for discharging air. The mobile air conditioner capable of changing the cold air outlet direction and provided with the obliquely-installed coaxial cold and hot air ducts is compact in structure, small in size, low in manufacturing cost and use cost, convenient to assemble, high in air outlet speed, long in air supply distance, low in working noise, good in use effect and long in service life.

A heat sink assembly includes: a heat sink having a plurality of ribs integrally molded along an internal length direction by extrusion molding, a space between the plurality of ribs forming a flow path, and having a first surface and a second surface open at both ends in the length direction; and a pair of end plugs respectively closing a first surface and a second surface at both ends of the heat sink, in which the heat sink ribs include: a middle rib closed at one end of the first surface and open at the other end of the second surface relative to the pair of end plugs; and a side rib provided on at least one side with respect to the middle rib and opened at both ends of the first surface side and the second surface side.

The invention provides a flame-retardant PP material with high strength and high modulus and a preparation method thereof. The flame-retardant PP material comprises the following raw materials in percentage by weight: 30-60% of polypropylene resin; 20 to 30% of a flame retardant; 20 to 30% of short glass fiber; 5-10% of a filling material; 5-10% of a compatilizer; and 2-3 wt% of other auxiliary agents. By compounding the piperazine halogen-free flame retardant, the glass fiber and the inorganic mineral powder, the tensile strength of the obtained polypropylene composite material reaches 69-75 MPa, the bending modulus reaches 5000-5400 MPa, and the tensile strength and the bending modulus are higher than general requirements of new energy battery materials; the flame retardant grade can reach 1.5 V0 of UL94, and the flame retardant grade requirements of most new energy batteries are met.

The invention relates to a box girder and gate-type pier combined T-shaped rigid frame bridge and a construction method thereof. The box girder and gate-type pier combined T-shaped rigid frame bridge comprises concrete box girders, gate-type main piers and side piers. The gate-type main pier comprises two pier bodies and a cover beam, the two pier bodies are located on the two sides of the existing line, and the cover beam is located above the existing line and intersects with the existing line; the concrete box girder and the cover beam are arranged in a crossed manner and are positioned above the cover beam, and at the joint of the cover beam and the concrete box girder, the top of the cover beam and the bottom of the No.0 block of the concrete box girder are poured into a whole; the side piers are located on the two sides of the existing line, and the side piers are longitudinally arranged and supported at the bottom of the concrete box girder. Under the condition that the line height is limited, the pier-beam combination height can be reduced, the span is increased, and meanwhile the clearance requirement under the bridge is met; and meanwhile, the pier and the beam are fused, the integrity is good, material use can be reduced, the structural rigidity and the bearing capacity are improved, the span is increased, and better anti-seismic performance is achieved.

The utility model discloses a bending-resistant LED support and an LED device. The bending-resistant LED support comprises a support body, metal layers arranged on the support body, and a plurality of insulating river channels arranged between the metal layers. The insulating river channel is arranged in the corner direction of the metal layer, and the metal layer is divided into a first electrical connection part and more than one second electrical connection part based on the insulating river channel; the second electrical connection part is located at the corner position of the metal layer, and the middle position of the first electrical connection part is provided with a chip installation area. The insulating river channel is arranged at the corner position of the metal layer of the support body to form the first electrical connection part and the second electrical connection part, so that the first electrical connection part can cover most of the area of the support body, the structural rigidity of the support body is improved, the risk that the support body is bent and broken due to stress is reduced, and the service life of the support body is prolonged. The overall structural stability of the LED device is improved, and it is ensured that the LED device has a good light emitting efficiency.

This utility model discloses a container, comprising a frame, a top panel, side panels, end panels, and door panels. At least one of the top panel, side panels, end panels, and door panels includes at least two layers: a steel plate and a composite material plate. The steel plate is fixedly connected to the frame. The composite material plate is located on at least one side of the steel plate facing inwards and outwards, and is fixedly connected to the steel plate. The composite material plate has the same shape as the steel plate to be integrally fitted with it, or the composite material plate is flat and partially fitted with the steel plate. According to this utility model, at least one of the top panel, side panels, end panels, and door panels is configured as a two- or multi-layer structure, wherein the side of the steel plate facing inwards and / or the side facing outwards is a composite material plate. This design allows the container to meet long-term requirements for wear resistance, acid and alkali resistance, salt spray resistance, and mildew resistance. Furthermore, container wall maintenance is relatively simple and inexpensive.

The utility model provides a kind of in-out boat structure and coating equipment, wherein the in-out boat structure includes lifting drive device, for driving at least two translation drive devices synchronous lifting movement;Translation drive device, for driving the corresponding translation movement piece of each translation drive device synchronous reciprocating translation movement;At least two boat moving assemblies, respectively installed on corresponding translation movement piece, the corresponding support paddle of at least two boat moving assemblies is respectively used to move at least two carriers boat into and out of at least two reaction cavities.The in-out boat structure provided by the utility model can move at least two carriers boat into and out of each group of at least two reaction cavities in the height direction of furnace body synchronously layer by layer, shorten the length of reaction cavity and narrow it under the premise of not reducing production capacity, shorten the cantilever length of support paddle of in-out boat structure adaptively, improve the rigidity of cantilever structure, reduce the scratching of carrier boat caused by cantilever deformation and shaking and the failure rate of coating equipment, and improve the working stability of coating equipment.

The heightening frame and the combined storage structure thereof are characterized in that the heightening frame comprises a heightening frame body, a basic heightening module and a functional module, the heightening frame body is provided with a top face bearing part and a bottom face mounting part, and at least one set of linearly-distributed inserting guide rails are arranged on the bottom face of the top face bearing part in the length direction; the bottom surface mounting part is provided with a plurality of second butt joint structures; the basic heightening module is composed of supporting assemblies, and the supporting assemblies are matched through butt joint structures and connecting structures to achieve supporting and vertical stacking extension. The functional modules are matched with the guide rails through the sliding blocks, and sliding adjustment and forward and reverse posture switching along the bottom face of the body are achieved. According to the combined storage structure, the two main bodies are in butt joint in an upright and inverted mode to form the containing gap. Flexible layout and form switching of functional modules are achieved, the height can be modularly adjusted, a double-layer storage space is constructed through the combined storage structure in a combined mode, and the structural strength and the space utilization rate are improved.

The utility model relates to the field of maintenance frame discloses a maintenance frame for lifting type industrial robot, including base, the top of base is provided with lifting assembly, the top fixed connection of lifting assembly has fixed platform, both sides of fixed platform all are fixedly connected with two connecting frames, the left side fixed connection of connecting frame has support frame, the bottom rotatory connection of support frame has support rod, the other end rotatory connection of support rod has support screw rod, the other end fixed connection of support screw rod has driven rod, the middle rotatory connection of driven rod has fulcrum rod, the side fixed connection of driven rod has adjusting rod. In the utility model, enhance platform stability, this design operation is simple, compact structure, can fixedly spread of extension board fast, is applicable to industrial maintenance scene etc, has the advantages such as smooth unfolding, locking reliable, strong bearing capacity, effectively promotes work efficiency and security.

This utility model provides a car roof handle and vehicle based on a four-bar linkage, belonging to the field of automotive parts technology. It includes: a base with a proximal hinge and a distal hinge, located at different positions along the depth of the base; one end of a first rocker arm hinged to the proximal hinge of the base, and the other end of the first rocker arm hinged to a connecting arm; one end of a second rocker arm hinged to the distal hinge of the base, and the other end of the second rocker arm hinged to a connecting arm; the connecting arm is hinged to the handle body. The first rocker arm, the second rocker arm, the connecting arm, and the base constitute a four-bar linkage. The advantages of this utility model are: the four-bar linkage allows for extension and retraction between the handle body and the base, enabling the handle body to be retracted and close to the base when not in use, and extended when in use, saving interior space and adapting well to bumpy driving environments.

This utility model relates to the field of electromagnetic shielding materials technology, and provides an electromagnetic shielding composite material structure, including a first shielding layer and a protective structure. A second shielding layer is disposed on one side of the first shielding layer, and a protective structure is disposed inside both the first and second shielding layers. By providing the protective structure, when electromagnetic waves are incident on the electromagnetic shielding composite material, the first and second metal film layers effectively reflect most of the electromagnetic waves back to their original direction, thus preventing electromagnetic wave penetration. Furthermore, a heat insulation layer is provided to prevent heat transfer. This heat insulation layer is an electromagnetic shielding heat insulation material with functions such as heat insulation, waterproof sealing, and corrosion resistance, thereby protecting the internal structure or equipment of the composite material from the effects of high-temperature environments. Finally, a wear-resistant layer is made of transparent PET material, which has properties such as abrasion resistance and corrosion resistance.

This invention discloses a zirconium-lanthanum bulk co-doped high-nickel ternary material, its preparation method, and a battery. The zirconium-lanthanum bulk co-doped high-nickel ternary material is a ternary cathode material with bulk co-doped zirconium and lanthanum; the chemical formula of the ternary cathode material is LiNi. x Co y Mn (1‑x‑y) O2, wherein 0.8≤x≤0.9, 0≤y≤0.1; the total molar amount of zirconium and lanthanum is 1%~5% of the total molar amount of nickel, cobalt and manganese. The zirconium-lanthanum bulk co-doped high-nickel ternary material provided by the present invention enhances the mechanical strength of the ternary material through the bulk co-doping of zirconium and lanthanum, suppresses cracking and pulverization of the ternary material during charge and discharge, and improves cycle stability; at the same time, the two elements Zr and La synergistically stabilize the lattice, reduce lithium-nickel mixing, suppress irreversible phase transformation and lattice oxygen precipitation, achieve dual stability of bulk phase and interface, and improve the consistency and stability of the zirconium-lanthanum bulk co-doped high-nickel ternary material.

The invention discloses a manufacturing method of a micro-channel heat dissipation chip, and relates to the technical field of semiconductor processing and packaging, and the method comprises the steps: providing a first wafer, forming a micro-channel structure on the surface of the first wafer, and filling the micro-channel structure with a first supporting layer; a second wafer is provided, a water inlet and a water outlet are formed in the second wafer, the surfaces of the first wafer and the second wafer are bonded, and a micro-channel radiator wafer is formed; filling the water inlet / outlet with a second supporting layer, wherein the surface of the second supporting layer is flush with the first surface of the micro-channel radiator wafer; providing a chip wafer, and bonding the second surface of the micro-channel radiator wafer with the first surface of the chip wafer to form a bonded chip wafer; and removing the first supporting layer and the second supporting layer to obtain the micro-channel heat dissipation chip. According to the invention, the heat dissipation performance and the bonding quality of the wafer can be improved.

This application relates to the field of vehicle technology, disclosing a vehicle body pillar connector structure and a vehicle. The vehicle body pillar connector structure is used in a vehicle and includes: a rear upper inner side panel, the lower end of which has a downwardly extending connecting plate; and a vehicle body pillar outer panel, the upper end of which is located outside the connecting plate and connected to it. In the vertical direction of the vehicle, there is a first overlap area between the connecting plate and the upper end of the vehicle body pillar outer panel. The vehicle body pillar connector structure provided in this application increases the number of structural layers along the left-right direction of the vehicle body pillar connector structure, thereby increasing the thickness of the vehicle body pillar connector structure along the left-right direction of the vehicle, and thus improving the strength and bending and torsional stiffness of the vehicle body pillar connector structure.

This utility model discloses a screw nut internal thread grinding machine, comprising: a bed, a fixed worktable on the front side of the bed, a headstock fixedly mounted on the left side of the worktable, and a movable center support on the right side of the worktable; a chuck for clamping the workpiece is mounted at one end of the headstock; a movable dual-axis worktable is mounted on the rear side of the bed, a movable grinding wheel head is mounted on one side of the dual-axis worktable, and a grinding wheel dresser is mounted on the other side; a retractable and rotatable grinding wheel grinding device is mounted at the front end of the grinding wheel head, and a grinding wheel drive device is connected to the grinding wheel grinding device. The bed of this utility model adopts a rectangular structure and is a grinding wheel head movable structure, which, compared with the traditional T-shaped structure machine tool with a movable worktable, has advantages such as high structural rigidity, fast dynamic response speed, good thermal stability, high machining accuracy, and small footprint.

This invention discloses a vertical cylinder double eccentric ball joint linkage vacuum check valve and method. The check valve includes a valve body, double eccentric valve discs, a valve stem, a valve cover, a vertical cylinder, and a valve disc shaft support. The valve body has a valve seat hole, and the double eccentric valve discs are rotatably mounted on the valve body via the valve disc shaft. An arc-shaped contact surface is integrally formed on the outer side of the valve discs. Balls are embedded at the bottom of the vertically arranged valve stem, and the balls roll in contact with the arc-shaped contact surface. The valve cover is sealed and fixed to the upper end of the valve body. The vertical cylinder is vertically mounted on the valve cover, and its piston rod is rigidly connected to the valve stem coaxially. The valve disc shaft support is symmetrically fixed to the valve body and supports the valve disc shaft. This solution uses a vertical cylinder coaxial drive combined with ball rolling transmission, eliminating the traditional hard top pressure friction and significantly reducing the opening and closing resistance. The double eccentric valve discs rotate stably, and the closing response speed is faster, effectively solving the defects of slow valve closing and severe seal wear in traditional check valves. The overall assembly is stable and suitable for the long-term airtight operation requirements of industrial negative pressure vacuum systems.

The invention relates to the technical field of urban construction, in particular to a kerb and tile visual grabbing control system. A kerb and tile visual grabbing control system comprises a visual identification module, a system control module and a six-axis mechanical arm module, the six-axis mechanical arm module comprises a mechanical arm main body and an auxiliary control assembly, the mechanical arm main body is used for grabbing and laying kerbs and tiles, and the auxiliary control assembly is used for controlling the mechanical arm main body. The mechanical arm body comprises a supporting arm, a lifting arm, a swing arm and a mechanical claw which are sequentially and rotationally connected, and the auxiliary control assembly is connected between the front end of the supporting arm and the front end of the swing arm and used for supporting the mechanical arm body and reducing the equipment load. According to the mechanical arm, the torque generated to the front end of the swing arm when the mechanical claw grabs a heavy object can be effectively shared, the load of each joint motor is greatly reduced, and therefore the structural rigidity and the movement stability of the whole mechanical arm under the heavy-load and large-arm-span working conditions are enhanced, and the precision and stability of the laying action are ensured.

The invention discloses a multipurpose testing device and method suitable for medium and large-size centripetal spherical plain bearings. The device is mainly composed of a base, a test bearing device, an axial loading assembly and a radial loading assembly, wherein the test bearing device, the axial loading assembly and the radial loading assembly are installed on the base. Wherein the test bearing device integrates a test base, a transmission rotating shaft, a front-middle-rear three-section type supporting assembly, a to-be-tested bearing assembly, a torque sensor and a wear loss measuring assembly; the axial loading assembly and the radial loading assembly can operate independently and can also work cooperatively, and the combined load can be applied to the bearing accurately. The device has the basic advantages of being stable in structure and high in bearing capacity, can simulate complex combined load working conditions, achieves multi-parameter real-time monitoring, can be adapted to tests of medium and large radial spherical plain bearings of various specifications, and is of great significance in promoting research and development and performance verification of high-end spherical plain bearings.

This invention relates to the field of robot transmission technology, specifically an industrial robot reducer, comprising a first frame assembly and a second frame assembly, both of which can be mounted on the output end of a drive motor at their bottom. The first frame assembly has a first output shaft at its top and an internal unidirectional reduction assembly for achieving unidirectional reduction output. The second frame assembly has a second output shaft laterally located on one side of its top and an internal reversing reduction assembly for achieving vertical reversing reduction output. The unidirectional reduction assembly includes an input gear, a multi-stage unidirectional double gear, and a first output gear; the reversing reduction assembly includes a worm gear, a multi-stage reversing double gear, and a second output gear. The first frame assembly uses a base plate, middle plate, top plate, and long bolt assembly structure, and the first output shaft is prevented from detaching by a limiting plate. This invention can flexibly achieve unidirectional or vertical reduction output, has a compact structure, smooth transmission, high positioning accuracy, and strong impact resistance.

The storage drawer comprises an upper drawer and a lower drawer, a rail plate is arranged on the inner side of the upper end portion of a side plate of the upper drawer, the suspension basket is arranged in the upper drawer, the suspension basket is arranged above a bottom plate of the upper drawer correspondingly, the suspension basket comprises a suspension basket side plate, a suspension basket rear plate and a suspension basket front plate, and a triangular breast board is arranged at the upper end of the suspension basket side plate. The lower ends of the triangular breast boards protrude outwards out of the suspension basket side plates, the upper ends of the triangular breast boards protrude upwards out of the suspension basket front plate and the suspension basket rear plate, inverted steps are formed between the lower ends of the triangular breast boards and the upper ends of the suspension basket side plates, the inverted steps are placed on the corresponding rail plates, the suspension basket can slide front and back relative to the upper drawer for position adjustment, and the suspension basket can be separated from the upper drawer upwards. According to the cabinet, the space utilization effect of the storage drawer is good, and daily use of people is facilitated; the triangular breast boards are arranged at the upper ends of the hanging basket side plates, so that the structural rigidity and strength of the hanging basket are improved, and the hanging basket is durable.

The invention provides microalloyed high-modulus high-strength nodular cast iron which comprises the following components: 2.8-3.0% of C, 4.0-4.3% of Si, 0.3-0.5% of Mn, 0.7-1.0% of Cr, 0.5-0.6% of Mo, 1.2-1.5% of Ni, 0.8-0.9% of Cu, 0.1-0.3% of V, 0.01-0.05% of Re, less than or equal to 0.03% of S, less than or equal to 0.05% of P and the balance of iron, and (Ni + Cu) / (Cr + V) is more than or equal to 2.0 and less than or equal to 2.5. The nodular cast iron still keeps the tensile strength larger than or equal to 88 MPa and the high modulus characteristic at the high temperature of 820 DEG C. The material has the advantages of being low in alloy cost, stable in high-temperature performance and good in structural rigidity, and is suitable for high-temperature heat-resistant components such as engine exhaust manifolds under the national sixth emission standard, and the invention further provides a preparation method of the microalloyed high-modulus and high-strength nodular cast iron.

The application discloses an anti-deformation crown-shaped cage of a super-speed motor bearing and a manufacturing method, and belongs to the technical field of motor bearings. The anti-deformation crown-shaped cage of the super-speed motor bearing is printed by a functionally graded material, the functionally graded material comprises hard-phase material and soft-phase material, the hard-phase material is glass fiber, and the soft-phase material is nylon 66; the equivalent elastic modulus of the functionally graded material continuously and gradually changes along the axial direction from the bottom of the pocket hole to the end of the locking claw, so that the elastic modulus of the bottom area of the pocket hole is higher than that of the end area of the locking claw, and the ovalization deformation of the pocket hole and the centrifugal deformation of the locking claw are cooperatively inhibited; the functionally graded material is introduced to actively reconstruct the stiffness field of the crown-shaped cage; the toughness phase is constructed in the locking claw area to absorb collision energy, the reinforced phase is formed in the pocket hole area to weaken stress concentration, and the stiffness gradient is established at the connecting position to inhibit the umbrella effect; and the application provides the crown-shaped cage with the characteristics of high toughness, gradient and high strength and a design method thereof.

This utility model relates to the technical field of building material processing equipment, specifically to a multi-stage aggregate particle size screening device. The multi-stage aggregate particle size screening device includes a frame, screening components, a feeding conveyor belt, and a multi-stage discharge conveyor belt. The screening components are inclinedly arranged on the upper part of the frame. The feeding conveyor belt is parallel to the screen components above them for feeding aggregates to be screened. The multi-stage discharge conveyor belts are arranged sequentially from top to bottom below the screen components for receiving screened aggregates of different particle sizes. The screening components include a frame plate, screen bars, and hopper plates. The frame plates are symmetrically installed on the upper part of the frame. The screen bars are spaced apart along the length of the frame plates and divided into multiple rows along the height direction. The screening gap between each row of screen bars decreases progressively from top to bottom. Each row of screen bars has a hopper plate at its discharge end, with the hopper plate length decreasing progressively from top to bottom. A motor is installed on the outside of the frame plate.