10results about How to "Reliable strength" patented technology

This utility model discloses a reusable micropile, belonging to the field of micro steel pipe pile technology. It includes an outer pile body, an auxiliary connecting guide assembly, an inner pile body, and a base plate. The base plate is a circular steel plate, with its upper end fixedly connected to both the outer and inner pile bodies. Both the outer and inner pile bodies are hollow pipe piles, with the inner diameter of the outer pile body being larger than the outer diameter of the inner pile body. The guide assembly is connected to the lower end of the base plate. The auxiliary connecting guide assembly includes guide protrusions fixedly connected to the lower end of the base plate. A guide groove is formed at the upper end of the outer pile body to engage with the base plate. Two sets of micropiles can be connected end-to-end through the guide protrusions and guide grooves, which cooperate to provide guidance. Through this method, the inner and outer pile bodies and the connecting plate make the overall strength of the micropile more reliable, while also facilitating end-to-end and lateral connections between different micropiles, enhancing the applicability and flexibility of the micropile.

The application discloses a contaminated soil replacement method and a light replacement structure, and belongs to the technical field of building replacement, which solves the problems of the existing technology, such as treating the symptoms but not the root cause, large amount of concrete, and poor durability of the protective layer. The method comprises the following steps: contaminated soil treatment, frame assembly (integral type / modularization), block component installation (integral / layering), concrete pouring (layering / integral), and subsequent treatment. The frame and the block component form a protective barrier. Layered pouring requires rough surface treatment, and integral pouring is provided with anchoring components. The structure comprises a frame, a block component (light filling block combined with a U-shaped hook connecting piece), and optional anchoring components (two-way expansion anchor rods). The application replaces 30%-50% of the concrete with light blocks, reduces the load and cost, and improves the durability of the protective layer by more than 20%. The application can block pollution and erosion, is suitable for different construction scenes, and is convenient to operate.

This invention provides a steel structure reinforcement device, belonging to the technical field of reinforcement devices. It includes an auxiliary beam with a mounting plate fixed to its end face. A threaded rod and a rotating rod are threaded through the auxiliary beam. A contact plate is rotatably connected to the top of the threaded rod, and the rotating rod is rotatably connected to the contact plate. A spiral groove is formed on the surface of the rotating rod. A top block is provided on the top surface of the auxiliary beam, and a locking rod that engages with the spiral groove is fixed to the side of the top block. A circular block is fixed to the bottom end of the rotating rod, and several slots are formed on the surface of the circular block. A bottom block is fixed to the bottom surface of the auxiliary beam, and a sliding rod is slidably connected vertically inside the bottom block. A stop block is fixed to the top of the sliding rod, and the bottom of the sliding rod extends to the outside of the bottom block. An insert block that inserts into the slot is fixed to the bottom side of the sliding rod, and a spring is sleeved on the surface of the sliding rod. This invention is convenient for mass manufacturing and has high practicality.

The application discloses a composite power distribution line, which comprises a plurality of power distribution poles arranged at intervals along the extension direction of the composite power distribution line and wires hung on the power distribution poles, the plurality of power distribution poles comprise at least two terminal poles, a plurality of strain poles and a plurality of straight poles, the terminal poles are located at the end of the composite power distribution line, the straight poles and the strain poles are located in the middle of the composite power distribution line, the top of the terminal pole is provided with a terminal composite cross arm, the top of the strain pole is provided with a strain composite cross arm, the top of the straight pole is provided with a straight composite cross arm, and the wires are hung on the terminal composite cross arm, the strain composite cross arm and the straight composite cross arm along the extension direction of the composite power distribution line to form the composite power distribution line. The power distribution poles of the composite power distribution line adopt the composite cross arm to hang the wires, the lightning protection level is high, a lightning arrester does not need to be additionally installed, the safety is higher, the cost is lower, and the composite cross arm is not prone to rust and has a longer service life.

This invention provides an isolation pad and its manufacturing method. The isolation pad of this invention is used during aluminum coil processing, positioned between the aluminum coil and the support rack to isolate them. The isolation pad has a multi-layered structure, with each layer made of aluminum alloy. The pad includes at least two outer layers: a first outer layer on the side in contact with the support rack and a second outer layer on the side in contact with the aluminum coil. This invention solves the problem of annealing embossing on the outer layer of the aluminum coil caused by direct contact between the aluminum coil and the support rack. The isolation pad is suitable for aluminum coils of various weights and sizes, exhibits reliable strength and high-temperature resistance, and does not fail even when repeatedly annealed and cooled with the aluminum coil in and out of the annealing furnace.

The present application relates to a kind of high-pressure turbine guide vane, and specifically relates to a kind of preparation method of ceramic matrix composite multi-cavity structure high-pressure turbine guide vane.Solve the technical problems that ceramic matrix composite high-pressure turbine guide vane component forming is difficult, blade component size difference and pre-embedded split joint model is easy to be bonded with blade.The method of the present application comprises the following steps:1) preparing upper edge plate component preform, lower edge plate component preform and blade body preform;2) preparing boron nitride interface layer for each preform respectively;3) preparing SiC matrix for each preform respectively, during the densification process of blade body preform, new graphite tooling and graphite paper pad are used at split joint structure for each furnace deposition;4) preparing self-healing matrix for each preform respectively;5) processing each component;Installing inner core baffle and multiple spoiler columns;Online assembly of each component, deposition and processing obtain turbine guide vane.

The utility model discloses an assembly type accident oil pool which comprises a prefabricated bottom plate, a prefabricated wall plate, a prefabricated top plate and a prefabricated inspection well, a circle of groove is formed in the upper portion of the prefabricated bottom plate, a waterproof rubber belt is arranged at the bottom in the groove, bottom plate embedded steel plates are further arranged on the upper top face of the prefabricated bottom plate and located on the two sides of the groove, and the bottom plate embedded steel plates are connected with the prefabricated bottom plate. Clamping keys and wallboard bottom pre-embedded steel plates are arranged at the bottoms of the prefabricated wallboards, wallboard end pre-embedded steel plates are arranged at the side ends of the prefabricated wallboards, the clamping keys are inserted into the grooves in a matched mode and press the waterproof adhesive tape, the bottom plate pre-embedded steel plates are welded to the wallboard bottom pre-embedded steel plates, and the wallboard end pre-embedded steel plates of the adjacent prefabricated wallboards are welded. The prefabricated roof is cooperatively connected to the top of the prefabricated wallboard, and the prefabricated inspection well is connected to the top of the prefabricated roof. The assembly type accident oil pool is reasonable in structure splitting, high in component standardization degree, safe and reliable in connection, good in overall stability, convenient to construct, capable of greatly shortening the construction period, beneficial to environmental protection and reliable in structure waterproof performance.

The utility model belongs to the technical field of bridge cables, in particular to a bridge cable anti-corrosion protection device which comprises a cable body for a bridge, two stainless steel semi-rings and two plugging covers, one end of each plugging cover is fixedly connected with a connecting rod, a sacrificial anode protection mechanism is arranged between each connecting rod and the corresponding plugging cover, and the other end of each plugging cover is fixedly connected with the corresponding stainless steel semi-ring. An anti-corrosion combined layer is fixedly arranged on the outer side of the cable body, the two stainless steel semi-rings are rotationally connected with each other, and the cable body is movably arranged in the two stainless steel semi-rings in a sleeved mode. The corrosion-resistant cable is reasonable in structural design, through the arrangement of the sacrificial anode bar, the plugging cover, the connecting ring, the stainless steel semi-ring and the corrosion-resistant combined layer, the cable body can be comprehensively subjected to a corrosion-resistant effect, so that the cable body is not prone to being corroded and damaged, the service life of the cable body is prolonged, the sacrificial anode bar which is seriously corroded can be conveniently disassembled, assembled and replaced at regular intervals, and the service life of the cable body is prolonged. The anti-corrosion effect is improved, and the reliability is high.

This invention discloses a bamboo biomass container suitable for long-length applications, belonging to the field of cargo transportation equipment. The container is constructed from bamboo biomass components, which are connected using various types of connectors to form a large spatial system. A coating is applied to the outer surface of the container, giving it advantages such as lightweight, high strength, corrosion resistance, and environmental friendliness. Common bamboo biomass materials include bamboo laminated timber, bamboo reconstituted timber, bamboo woven plywood, bamboo wound composite, bamboo-plastic composite, bamboo shavings composite, and bamboo chip profiles. This container can also be converted into a building, demonstrating promising application prospects.

The utility model provides a front and rear door formula switch board structure belongs to switch board field, including the cabinet, be provided with the door opening subassembly on the cabinet, the utility model discloses a door opening subassembly is provided, when using this structure is composed of the cabinet, top cover, front door, rear door, bottom seal plate etc. main part, each spare part adopts the sheet metal bending forming, and the strength is reliable and the cost is low, and the processing is convenient, and the whole adopts the high -quality cold rolled steel sheet (Q235 A), and after the numerical control punching bending forming, welding strengthens, after adopting electrostatic spraying on the surface, installs the error control in the design range, and the assembly performance is good, and the cabinet can install component parts before and after, and open the door operation, and the front and rear door's mode greatly increases the installation area and operating space, reduces the cabinet size under the adaptive installation environment, reduces the production cost.