32results about How to "Address structural strength" patented technology

The invention provides a stamping forming method of an automobile crankshaft signal panel. The stamping forming method comprises a blanking process, a groove rolling process, a punching process, a deep drawing and flanging process, a large and small signal hole punching process, a reshaping process and the like. By applying the stamping forming method for a crankshaft rotating speed signal panel, a complicated porous-structure panel body and a cover body part can be manufactured by virtue of a stamping forming process, and the method has the advantages of fewer processes, simple operation and control, high material utilization, short production period, less environmental pollution and the like, is beneficial to realization of automatic large-batch production and can be used for improving the production efficiency and lowering the production cost; signal hole processing is performed after metallic material plastic deformation, hole processing is more accurate, and the method can be used for solving the problems such as irregular shape of deep-drawn rectangular teeth, deformation of deep-drawn holes of a complicated-structure piece and high cracking, wrinkling and deformation possibility of a panel body due to uneven stress strain in a rectangular tooth primary stamping forming method, and can be applied to large-batch production of automobile parts.

The invention discloses a capping device for a coke dry quenching tank car body, which comprises a tank car, the upper surface of the tank car is movably connected with a feeding device, and the feeding device includes a stabilizing device, and the inner surface of the top of the stabilizing device is slidably connected There is a tank body, and the invention relates to the technical field of metallurgical equipment. The capping device of the dry quenching coke tank car body is equipped with an exhaust device. When the equipment is in use, the coke is sealed inside the tank body. The metal cover at the bottom of the cover plate is heated rapidly, and the air inside it expands when heated, and the hot air Entering the inside of the outer cover from the through hole, under the action of high-pressure airflow, the movable plate is pushed, the inserting plate protrudes from the inside of the outer cover, and the outer surface of the inserting plate is against the inner surface of the tank body, reducing the left and right swing of the cover plate. At the same time, it also increases the sealing effect of the equipment, which solves the problem of poor sealing effect of traditional CDQ tank cars.

The invention discloses a wall-mounted combination. The wall-mounted combination comprises a first connection component and a second connection component. The first connection component comprises a sliding groove structure and two locating notches oppositely arranged relative to the sliding groove structure, and the sliding groove structure is provided with an inlet and a stopping position. The second connection component comprises a sliding block and two locating columns oppositely arranged relative to the sliding block. The first connection component and the second connection component can be correspondingly arranged on an object and one wall surface. When the sliding block enters the sliding groove structure from the inlet and slides relative to the sliding groove structure in a limited mode to be stopped at the stopping position, the two locating columns are respectively embedded in the two locating notches, so that the object can be stably fixed on the wall surface. Accordingly, according to the wall-mounted combination, wall-mounted operation of the object is simplified, and stable wall-mounted effect is achieved.

The invention discloses a wall-mounted combination. The wall-mounted combination comprises a first connection component and a second connection component. The first connection component comprises a sliding groove structure and two locating notches oppositely arranged relative to the sliding groove structure, and the sliding groove structure is provided with an inlet and a stopping position. The second connection component comprises a sliding block and two locating columns oppositely arranged relative to the sliding block. The first connection component and the second connection component can be correspondingly arranged on an object and one wall surface. When the sliding block enters the sliding groove structure from the inlet and slides relative to the sliding groove structure in a limited mode to be stopped at the stopping position, the two locating columns are respectively embedded in the two locating notches, so that the object can be stably fixed on the wall surface. Accordingly, according to the wall-mounted combination, wall-mounted operation of the object is simplified, and stable wall-mounted effect is achieved.

The invention relates to a solar member for a building. The solar member comprises a photovoltaic assembly, a junction box, a connector, a frame, a filling material and a member backboard. A solar heat collector or a metal plate is employed as a photovoltaic assembly backboard, and a heating electronic device and the frame or the photovoltaic assembly backboard are contacted for heat dissipation; the photovoltaic assembly and the member backboard are installed in a fixation groove corresponding to the frame to form an enclosed space, and an integral member module is formed by bonding the filling material; the outer side surface of the frame is provided with a radiator and a heat conduction pipe for conducting solar energy to a solar heat collection system; and a refrigeration and heating apparatus is integrated on the photovoltaic assembly backboard and the member backboard, and an isolation layer is clamped between the photovoltaic assembly backboard and the member backboard. According to the invention, the solar member for the building can be used for photovoltaic generating and solar heat collection and temperature adjustment, can directly replace a decoration material, an insulation material, a waterproof material, an exterior-protected construction material and an air conditioning device on the roof or the wall of the building, and can also be integrally installed with the roof or the wall of an existing building so as to realize photovoltaic building integration.

The invention discloses a railway vehicle and an underframe structure thereof. The chassis structure comprises underframe edge beams, a floor, an end beam, a first sleeper beam, and a second sleeper beam, wherein the underframe edge beams are parallelly and oppositely arranged, and the end beam are arranged at one end of the structure. The upper portion of the middle part of the underframe edge beams is provided with a middle door hole, and the lower portion of the middle part of the underframe edge beams is provided with a mounting cavity, wherein the mounting cavity is used for mounting mobile pedals. A stair reinforcing device comprises cross beams, a short longitudinal beam and a long longitudinal beam, wherein the cross beams are arranged on the two sides of the middle door hole and used for connecting the two oppositely-arranged underframe edge beams, and the upper portions of the cross beams are in plug-in connection with the floor. The short longitudinal beam is connected to the cross beams at two sides, the long longitudinal beam is connected with the first sleeper beam and the cross beam corresponding to one side of the first sleeper beam, and the distance from the firstsleeper beam to the cross beam corresponding to one side of the first sleeper beam is not greater than that from the second sleeper beam to the cross beam corresponding to one side of the second sleeper beam. According to the railway vehicle and the underframe structure thereof, due to the force transfer between the long longitudinal beam, the cross beams and the short longitudinal beam, the bearing capacity, especially anti-longitudinal impact capacity, of underframe edge beams at the portion of the middle door hole is improved, thus meeting collision requirements when accidental collision occurs between vehicles; in addition, the problem of insufficient strength and rigidity in a middle-arranged vehicle door and a stair rear underframe structure can be solved.

The invention discloses a microwave-assisted efficient construction method for a high-strength interface of a carbon-based reinforcement / resin composite material, and belongs to the field of compositematerials. The method comprises the following step: modifying a carbon-based reinforcement by nanoparticles through a synergistic effect of physical coating and chemical grafting so as to form an interface (a cage-shaped interface structure) coated with a cage-shaped structure carbon source material shell. Based on the microwave irradiation activation principle, the activation of the carbon-basedreinforcement and the uniform self-assembly of the nanoparticles are realized by adjusting the ratio of the transition metal catalyst to the carbon source material to the nanoparticles. Compared withcomposite material traditional interface enhancement, the method of the invention is more efficient and faster, realizes the nanometer reinforcement of the interface of the carbon-based reinforcement / resin composite material, solves the problem that the structural integrity and strength of the carbon-based reinforcement are damaged by discharging and sparking of the carbon-based reinforcement ina microwave field, and has important significance in preparing the high-performance carbon-based reinforcement / resin composite material; and the high-strength interface can be applied to the high-techfields of composite material pressure containers, aerospace crafts and the like.

The invention discloses a bulk cargo ship liquefied natural gas bunker arrangement structure which comprises a liquefied natural gas bunker. The liquefied natural gas bunker includes an outer shell and an inner shell, the liquefied natural gas bunker is arranged behind a superstructure, the liquefied natural gas bunker is embedded on an upper deck, the top of the liquefied natural gas bunker is flush with a middle deck of the superstructure, and the bottom of the liquefied natural gas bunker is flush with a platform of an engine room; the outer shell of the liquefied natural gas bunker is fixedly provided with an overhanging T-beam; and a web of the overhanging T-beam is fixedly connected to the outer shell, and the web of the overhanging T-beam is flush with a lower deck of the superstructure. The bulk cargo ship liquefied natural gas bunker arrangement structure effectively solves the problem about structural strength of the fuel bunker and can be used on the lower platform of the engine room, the utilization ratio in the height direction is higher, and layout of the entire engine room is more optimized.

The invention discloses an automobile and a rear torsion box thereof. The automobile rear torsion box comprises a first connecting part, a second connecting part and a third connecting part, wherein the first connecting part comprises a first base plate and a second base plate which are oppositely arranged, and a first lining plate which is fixed between the first base plate and the second base plate through a plurality of first reinforcing ribs; the second connecting part comprises a first buffer plate, a second buffer plate, a third buffer plate and a first support plate; the third connecting part comprises a third base plate and a fourth base plate which are oppositely arranged; wherein, both ends of the first buffer plate are respectively connected with the first base plate and the third base plate; the first support plate is arranged on the first buffer plate, and an angle formed between the first support plate and the first buffer plate is greater than 0 degree and smaller than 180 degrees; and both ends of the first support plates are respectively connected to the first connecting part and the second connecting part. By adopting the rear torsion box, the problems that a conventional metal plate rear torsion box is low in integration degree, complex in process and high in cost, and the structure of the rear torsion box is deformed easily because of collision of the rear part of the automobile are solved, and a battery pack can be effectively protected.

The invention relates to a temporary positioning support system for prefabricated wallboard based on a construction platform and a construction method thereof. The temporary positioning support systemfor prefabricated wallboard based on a construction platform includes a support piece at the top of the wallboard to be mounted, a node connector above an inner cast-in-place column, an external wallconnector above a cast-in-place concrete column and an auxiliary beam adjacent to the peripheral structure and the like. The support piece is connected to the node connector to form a net frame structure, which is connected with the auxiliary beam through the external wall connecter, and the auxiliary beam is connected with a platform. The node connector and the support piece form an inner wall hanging passageway, and the external wall connector, the support piece and the auxiliary beam form an outer wall hanging passageway. The screw connection between the support pieces is convenient to realize the combination of different size support pieces by modularization; the stiffness of the control structure is controlled by adding inclined tie rod and horizontal joint steel pipe between supportpieces and multi-position connection among the main and auxiliary beam and the platform. The positioning support system adapts to the layout of different building structure or the installation dimension of special member, and realizes the automatic temporary positioning of prefabricated wallboard.