46 results about "Structural composition" patented technology

The utility model discloses a plunger type hydraulic hoist oil cylinder with a rod end coating protection structure, which belongs to the technical field of oil cylinder rod end coating protection structures and comprises an oil cylinder body, a sealing cover is mounted at the rod end of the oil cylinder body, and a first O-shaped sealing ring and a second O-shaped sealing ring are mounted in the sealing cover. Each of the C-shaped sealing strip and the hollow sealing strip comprises a C-shaped sealing strip and a hollow sealing strip, and the hollow sealing strip is clamped in the C-shaped sealing strip. According to the technical key points, the sealing structure can effectively prevent water vapor and salt mist from permeating and play a role in isolating and protecting the chamfer of the plunger rod, in addition, based on the structural composition of the sealing ring, the hollow sealing strip can play a role in extruding and supporting the C-shaped sealing strip, the tightness of connection between the whole sealing structure and the sealing cover can be remarkably improved, and the sealing effect is good. The sealing effect of the connecting position is ensured, and the situation that the sealing structure falls off or shifts to affect the sealing performance is not prone to occurring.

The invention relates to the technical field of material analysis, and discloses a reinforcing steel bar surface oxide structure composition microscale analysis method, which comprises the following steps: obtaining a high-fidelity sample through a layered inert protection sample preparation technology, and sequentially analyzing oxide microstructure and element distribution by adopting a scanning electron microscope-energy spectrum coupling technology, atomic-scale crystal defect observation is realized by combining a spherical aberration correction transmission electron microscope, macroscopic phase composition and microcell chemical valence information are respectively acquired synchronously through X-ray diffraction and X-ray photoelectron spectroscopy, and finally a cross-scale correlation model covering morphological characteristics, crystal structures, phase distribution and chemical states is constructed through multi-source data fusion. And micro-scale structure analysis is realized. Through combination of a multi-source characterization technology, steel bar oxide cross-scale analysis is realized, a high-fidelity sample preparation technology is adopted to guarantee an original state of a sample, a chloride ion diffusion quantitative model fused with crystal defect parameters is constructed, and rust layer protection evaluation is improved from qualitative observation to quantitative prediction.

The invention discloses an intelligent integrated pouring construction method for a beam-column joint structure and a joint reinforcing structure, and relates to the technical field of beam-column joint construction.The method comprises the steps that the joint reinforcing structure is determined, specifically, the rigid joint reinforcing structure is selected to form an axial, shearing and bending moment bearing system of a joint; the joint reinforcing structure comprises a metal cylinder arranged in the beam column joint area, an annular connecting component arranged outside the metal cylinder and a stress transmission structure used for connecting the annular connecting component with longitudinal steel bars of a beam and a plate of a floor. The prefabricated metal cylinder is installed at a preset column entering position on site, and the annular connecting component and the floor beam plate longitudinal steel bars are connected and locked according to the connection arrangement scheme and the assembly sequence; and one-time continuous pouring is conducted on the floor beam plate and the joint core area through concrete of the same strength grade according to the floor construction sequence. The construction method has the effects that the construction convenience of the beam-column joint is improved, and the construction efficiency is improved.

This invention relates to an adams clasp bending device and method with a horizontal fixed seat. Its structural composition includes: a rotary conveying structure, an up-and-down sliding structure, a rotary power structure, a frame structure, an alignment structure, a fixed bending structure, a bending rod, and a cutting blade. In the fixed bending structure, the fixed seat is installed horizontally, which, in cooperation with the bending head, can bend the adams clasp on the hawley retainer.

The invention discloses an MTQ type branched intermediate, branched organosilicone polysiloxane as well as a preparation method and an application of the MTQ type branched intermediate and the branched organosilicone polysiloxane. The structural composition of the MTQ type branched intermediate is represented by the following formula: (RaRbRcSiO1 / 2) m (RdSiO3 / 2) t (SiO4 / 2) q, in the formula, Ra, Rb, Rc and Rd are respectively and independently selected from-H,-CH2 = CH2,-CH3,-C6H5,-OCH3 and-OCH2CH3; m, t and q respectively represent the polymerization degree of each structural unit, the value range of m is 1-48, the value range of t is 1-10, and the value range of q is 1-8. The MTQ type branched organosilicone polysiloxane provided by the invention has the characteristics of high molecular weight and low viscosity, meanwhile, the branching degree of the internal structure of the composition is high, and compared with linear raw rubber with the same molecular weight, the influence on the viscosity of a release main agent is small when the addition amount is the same; meanwhile, the atomization degree of the release main agent can be reduced, and the atomization problem of the release main agent in the high-speed roller coating process is solved.

The application relates to the structural composition of a [2+2] photocycloaddition polymer and a preparation method thereof, and relates to the technical field of functional materials. The polymer introduces a closed dodecaborane anion, two polymers are prepared by the application, and the two polymers can both undergo [2+2] cycloaddition under the irradiation of ultraviolet light. The [2+2] cycloaddition of the polymer is verified by nuclear magnetic resonance hydrogen spectrum, single crystal X-ray diffraction spectrum, powder single crystal X-diffraction spectrum, infrared spectrum and the like. The application shows the great potential of a supramolecular organic framework material based on B 12 H 12 2‑ in the field of topological chemistry, and lays a solid foundation for the in-depth research in the field in the future.

The invention relates to the technical field of construction monitoring, and discloses a comprehensive method for high-precision dynamic monitoring and evaluation of an auxiliary bearing fulcrum of a horizontal rotation construction bridge, which is used for solving the problem that a sensor cannot cover all key areas during horizontal rotation bridge construction monitoring, and comprises the following steps: dividing a bridge structure into a plurality of monitoring areas, establishing an angle partition control strategy, respectively deploying an acceleration sensor, a strain sensor and a pose positioning device in different monitoring areas, activating a sensor combination corresponding to the subinterval according to the current rotation angle value, obtaining original multi-source monitoring data, evaluating the damage state of the structure composition, and determining the position of the structure according to the damage state. And whether II-level damage alarm is triggered or not is judged through a double-threshold judgment mechanism, the joint compression model is constructed according to the original multi-source monitoring data, and the original data is compressed through the joint compression model, so that the accuracy of sensor monitoring is effectively improved, and the occupancy rate of data processing resources is reduced.

The utility model discloses an assembly type anti-slurry-leakage steel formwork for concrete structure pouring. The steel formwork is composed of a combined panel unit, a reinforcing unit and an anti-slurry-leakage structure. The combined panel unit comprises a plurality of panel basic frames and panel pieces, and the panel basic frames and the panel pieces are connected through concave-convex clamping structures. The reinforcing unit comprises a plurality of fixing rods which are connected in a clamped mode, the fixing rods are arranged on the outer side face of the combined panel unit in a surrounding mode to form a panel reinforcing frame, and the panel reinforcing frame is used for tensioning the distance between the panel basic frame and the panel pieces and locking and fixing the panel basic frame and the panel pieces. The device is simple in structure, and undesirable conditions such as mold expansion and slurry leakage are practically prevented; meanwhile, stability and reliability are achieved, the engineering construction quality and efficiency are powerfully guaranteed, circulation is convenient, the device can be used for pouring construction of concrete structures of different sizes, the space needed by supporting is small, the requirement for the narrow construction environment is met, and very good practical value and popularization prospects are achieved.

The invention discloses an anti-seepage treatment method for an expansion joint of a hydraulic structure structure. The anti-seepage treatment method comprises the following steps that polyurethane grouting material joint filling treatment, polysulfide sealant joint sealing treatment and epoxy plaster surface sealing treatment are sequentially conducted on the water seepage position of the expansion joint of the hydraulic structure structure. Through combination and combination of multifunctional materials and a plurality of repair complete technologies, the expansion joint treatment combined material and process in which the water leakage position is filled with a polyurethane grouting material, the two-component polysulfide sealant is used for caulking and filling of the expansion joint, and the surface of the expansion joint is sealed with the elastic epoxy plaster are structurally formed; the repair characteristics of the grouting material, the caulking filling material and the surface protection material are comprehensively utilized, a reliable expansion joint repair system is established from the structural composition and the material performance, the overall anti-seepage performance of the structural expansion joint is effectively improved, and the service life of a hydraulic structure is prolonged.

The utility model discloses a separation joint device for construction of a roof protection layer through a skip bay method. The separation joint device comprises a heat preservation layer, a concrete protection layer, a joint filling plate, a separation joint device left side structure and a separation joint device right side structure. The device is prefabricated in a factory, convenient to install, stable in structure and elegant in appearance, is made of an aluminum alloy material, can remarkably reduce and even eliminate the problems of roof cracking and leakage through application, further effectively reduces the later maintenance cost, can effectively isolate concrete blocks at different pouring time, and improves the construction efficiency. And cracks of the concrete caused by factors such as temperature stress and shrinkage can be reduced to a certain extent.

The utility model discloses a building acrylic plate forming device which comprises a base, a forming base is fixedly connected to the top end of the base, a mounting plate is fixedly connected to the forming base, a first sliding groove is formed in the middle of the mounting plate, a first sliding block is slidably connected to the interior of the first sliding groove, and a second sliding block is slidably connected to the interior of the first sliding block. One end of each first sliding block penetrates through the corresponding first sliding groove to be fixedly connected with a first abutting plate, mounting rods which are symmetrically arranged are fixedly connected to the positions, corresponding to the first sliding blocks, of the base, rubber layers are fixedly connected to the mounting rods, and second sliding grooves which are symmetrically arranged are formed in the forming base; the acrylic plate forming device has the advantages that the situation that a worker needs to take the abutting plate when abutting against the acrylic plate every time is avoided through cooperative use of all the components, the convenience of acrylic plate forming operation is improved, the structural composition of the whole forming device is very simple, and practicability and convenience are high.

The utility model discloses an anti-counterfeit label with a dotted concave-convex structure, which comprises a base material layer, a dotted concave-convex structure layer is arranged on the base material layer, the dotted concave-convex structure layer is composed of a plurality of convex and concave dotted structures, a protective layer is covered on the dotted concave-convex structure layer, and the dotted concave-convex structure layer is provided with an anti-counterfeit layer. The point-shaped concave-convex structure layer is arranged on the base material layer, convex and concave point-shaped structures in the point-shaped concave-convex structure layer are arranged in a matrix, an annular or a spiral manner, the point-shaped structures in the point-shaped concave-convex structure layer are concave and convex structures with light reflection and refraction characteristics so as to form a holographic effect and an iridescent effect, and a bonding layer is arranged below the base material layer. The shapes of point-shaped concave-convex structures in the point-shaped concave-convex structure layer are round, oval, triangular, square and hexagonal, the section shapes of convex and concave point-shaped structures in the point-shaped concave-convex structure layer are trapezoidal, and the edges of the convex and concave parts are at least one of smooth, sawtooth-shaped and wave-shaped; the utility model has the advantages of being difficult to copy and counterfeit and strong in information bearing capacity.

An unidirectional dual pawl ratchet wrench includes a main body, a pawl unit and a ratchet. The pawl unit has a first pawl member and a second pawl member side by side, the first and second pawl members are at least half a tooth apart at different starting positions of their toothed section, and the toothed section of one of the first and second pawl members is kept engaged with the ratchet. The surfaces on the first and second pawl members respectively have a fitting column and an engaging groove for assembly which prevents the two teeth with the same adjacent to each other loses the small-angle gear-changing driving effect, and improves the accuracy and stability of the structural composition.

The invention discloses a building wallboard structure, and relates to the technical field of building wallboards, the building wallboard structure comprises a wallboard and a connecting assembly, the wallboard is composed of a base material with pores and a layer structure, the layer structure comprises a surface layer, a reinforcing layer and a composite layer, the surface layer and the reinforcing layer are respectively located on the left and right sides of the composite layer, one side of the reinforcing layer is clamped with the composite layer, and the other side of the reinforcing layer is clamped with the composite layer. The connecting assembly is used for connecting two adjacent wallboards, a plurality of grooves are formed in the connecting assembly at intervals, and clamping plates matched with the grooves are arranged on the left side edge and the right side edge of the composite layer. According to the wallboard, the multiple layers of wallboards are arranged, the wallboards are composed of the surface layers, the reinforcing layers and the composite layers in a matched mode, the strength and waterproofness of the wallboards can be improved, and therefore the service life is prolonged. In the assembling state, an operator can quickly and tightly connect the two adjacent wallboards through the connecting assemblies, seamless connection is ensured, the shock resistance is enhanced, and therefore the efficiency and firmness are improved.

The invention discloses a nuclear power cooling tower structure safety analysis intelligent agent operation and maintenance method based on an industrial physics AI engine, relates to the technical field of nuclear power, and provides a method for simulating concrete and double-layer two-way reinforcing steel bar layers by adopting a common-node multi-layer shell unit, and considering normal bias of each reinforcing steel bar layer relative to the middle surface of a tower wall; according to the method, three-dimensional solid modeling of a reinforced concrete structure is replaced with a traditional method, the number of degrees of freedom of the model is reduced on the premise that real structure composition is reflected, and in the aspect of material nonlinearity, a nonlinear damage model and a linear hardening model are adopted for simulating mechanical behaviors of concrete and steel bars respectively; the integration of the independent nonlinear constitutive model of the reinforced concrete, the superposition calculation of the total tangent stiffness matrix and the separation and extraction of the stress result of the reinforced concrete are realized, so that the solving efficiency and precision are improved, a more efficient finite element industrial engine is accessed to the AI intelligent operation and maintenance service flow of the nuclear power cooling tower, and the stability and damage condition of the cooling tower are intuitively predicted.

The invention relates to the technical field of constructional engineering, and discloses a high-position downward-hanging and low-position upward-supporting steel structure system and an integral accumulative lifting construction method thereof.The system comprises a core tube shear wall assembly, a roof net rack steel structure, a downward-hanging floor steel structure, an upward-supporting floor steel structure, an upward-supporting net rack steel structure, curtain wall columns, brackets and sitting hinge supports; the curtain wall column is connected with the lower hanging floor steel structure and the upper supporting floor steel structure. The high-position downward-hanging and low-position upward-supporting innovative structure system is composed of four sets of symmetrically-arranged core tube shear walls, a high-position downward-hanging structure and a lower-position upward-supporting structure, the urgent requirement of a modern building for a large-span and multifunctional space is accurately responded, the mechanical property and the space efficiency are organically fused, and therefore the large-span and multi-functional space is obtained. A high-efficiency building structure body is created, a hanging steel structure is adopted below a roof net rack steel structure, a lower hanging floor structure is not shielded except for extremely few hanging columns, and the space utilization efficiency is greatly improved.

The invention provides an enhanced structure wall pipeline, and relates to the technical field of buried structure wall pipelines. The pipeline comprises an inner-layer pipe body and a corrugated outer-layer pipe body which are matched in a nested mode, and a latticed reinforcing structure composed of a first reinforcing structure, a second reinforcing structure and a third reinforcing structure is arranged on the surface of the outer-layer pipe body. The first reinforcing structures are segmented structures with hollow symmetrical n-shaped sections, are alternately arranged with the wave crests in the axial direction of the pipeline and are connected with the adjacent wave crests; the second reinforcing structure is an annular convex part; and the third reinforcing structures are axial shape-following convex parts which are uniformly distributed in the circumferential direction of the pipeline. Annular and longitudinal load cooperative bearing is achieved through the latticed reinforcing structure, the local external pressure resistance, the ring stiffness and the longitudinal bending resistance of the pipeline are improved, the construction environment requirement is lowered, the requirement for improving the performance of a small-caliber pipeline is met, the material consumption is reduced under the same ring stiffness, and the lightweight requirement and the high mechanical property requirement are met.

This invention relates to the field of lightweight wall assembly technology and discloses a method for achieving corner connection of lightweight walls, comprising the following steps: determining the quantity and structural composition of a first wall panel and a second wall panel; the first wall panel is composed of a first vertical keel and a first horizontal keel, and the second wall panel is composed of a second vertical keel and a second horizontal keel, with two second vertical keels set at the middle position of the second wall panel, and the openings of the two second vertical keels being arranged opposite each other to form a U-shape; performing the molding and shipping work of the first wall panel and the second wall panel; performing the on-site installation work of the first wall panel and the second wall panel; making the web of the vertical keel at the end position of the first wall panel abut against the corresponding side waist height of the two second vertical keels at the middle position of the second wall panel, and then connecting them with connecting components to complete the corner connection; this invention has the advantages of stable structure, shortened construction time, reduced operation difficulty, convenient disassembly, and reusability.

The utility model discloses a three-axis support composed of sheet structures, and belongs to the technical field of mechanical supporting equipment, the three-axis support comprises a plurality of sheet structures, and each sheet structure comprises a bottom bracket, a vertical supporting plate, a first-stage movable rotating arm and a second-stage movable rotating arm; the vertical supporting plate can be installed on the bottom bracket in a sliding mode along the X-axis and can move in the Z-axis direction. The first-stage movable rotating arm is rotatably mounted on the vertical supporting plate; and the second-stage movable rotating arm is rotatably mounted on the first-stage movable rotating arm. By the adoption of the light-weight sheet-shaped structural design and a multi-axis linkage adjusting mechanism, the multi-axis linkage adjusting mechanism has the advantages of being high in rigidity, low in cost and easy to assemble and is suitable for positioning and supporting of precise devices such as code scanning equipment and optical instruments, and the adjusting efficiency and scene adaptability are remarkably improved.

The application discloses a kind of detection kiln cavity height method, it is related to manganese zinc ferrite core production technical field, the detection kiln cavity height method includes the following operating steps: S1, the structure composition of detection kiln cavity height;S2, the structure use of detection kiln cavity height;S3, the acquisition of kiln cavity height;S4, the prediction of future kiln cavity height change;S5, the height adjustment of subsequent sintered product.This detection kiln cavity height method measures the distance between the top end of the magnetic strip in the skewed state after the kiln and the bottom surface of the supporting plate, which can obtain the height of the kiln cavity. The kiln cavity height is detected once a month, and the actual product feed height is less than the kiln cavity height based on the measurement results, ensuring the safety of the kiln. This prevents the sintered product from contacting the top of the kiln cavity, effectively avoiding accidents such as kiln blockage and collapse.

The invention discloses a laminate limiter assembly scheme prediction method and tool, and the method comprises the steps: determining the structural composition of a laminate limiter, and preliminarily judging a part for adjusting the flow change from the determined structural composition of the laminate limiter; based on the application effect of the laminate limiter under the actual working condition, the influence rule of the part model and number on the flow change is analyzed, and sample data is obtained; constructing an entity model of the laminate limiter, and verifying the influence rule through the entity model to obtain a verification result; using the verification result to input the sample data into a flow change prediction model to obtain flow change prediction data when the flow change prediction model of the laminate limiter is constructed, comparing the prediction data with the sample data, judging the reliability of the flow change prediction model, and obtaining a judgment result; and through the judgment result, constructing an assembly prediction model of the laminate limiter, and outputting an assembly prediction scheme by using the assembly prediction model.

The application discloses a method for evaluating the skeleton structure of asphalt mineral mixture based on the accumulation theory and belongs to the technical field of highway analysis and evaluation. In order to solve the problems that the evaluation method for the structure composition of the asphalt mineral mixture lacks the consideration of the contact stress and the contact type between coarse aggregate and fine aggregate, and lacks the intuitive representation and accurate description of the skeleton structure of the asphalt mineral mixture, the application first obtains the real gradation of the mineral mixture; then generates a virtual accumulation model of the mineral mixture by using a discrete element software based on the accumulation theory and carries out a uniaxial constraint compression test simulation; meanwhile, the solid is selected to verify the real model, and the internal structure difference between the real model and the virtual model is clarified by using the X-ray CT technology; finally, the probability density distribution diagram of the contact stress of the mineral mixture and the contribution diagram of the contact type to the external load are constructed by the model test to evaluate the skeleton structure type of the mineral mixture.

This invention relates to the field of lightweight wall assembly technology and discloses a method for achieving a T-shaped connection in lightweight walls, comprising the following steps: determining the quantity and structural composition of a first wall panel and a second wall panel; the first wall panel is composed of a first vertical keel and a first horizontal keel, and the second wall panel is composed of a second vertical keel and a second horizontal keel, with two second vertical keels positioned at the middle of the second wall panel, and the openings of the two second vertical keels being positioned opposite each other to form a U-shape; performing the molding and shipping of the first and second wall panels at the factory; performing the on-site installation of the first and second wall panels; aligning the web of the first vertical keel at one end of the first wall panel with the same side waist height of the two second vertical keels at the middle of the second wall panel, and then connecting them using a first connecting component to complete the T-shaped connection; this invention has the advantages of stable structure, shortened construction time, reduced operation difficulty, convenient disassembly, and reusability.

The application provides a composite material lattice curved surface sandwich shell and a preparation method thereof. The shell comprises an upper curved surface layer, a lower curved surface layer and an intermediate lattice sandwich layer. The intermediate lattice sandwich layer is located between the upper curved surface layer and the lower curved surface layer. The upper curved surface layer and the lower curved surface layer are woven net structures. The intermediate lattice sandwich layer is composed of a vertical interpenetrating woven periodic lattice structure. The application has reasonable concept. On the basis of the curved surface structure, a composite material lattice is prepared by using a wet interpenetrating weaving technology, so that the lattice can meet the requirements of the curved surface configuration on the basis of meeting the mechanical properties, the surface core integrated forming is more easily realized, the process advantage for improving the shear resistance of the lattice is relatively greater, the overall structure design is relatively free, the cost is lower, a multilayer complex structure can be formed, the size parameter changes greatly, and the application is suitable for promotion and application.

The invention provides a filter suitable for automatic manufacturing and a manufacturing method thereof, and relates to the technical field of filters. The filter comprises a shell, a filter element, a connecting terminal and an end cover are arranged in the shell, the filter further comprises a PCB, and the filter element, the PCB, the connecting terminal and the end cover are vertically distributed according to the sequence; one surface of the PCB is conductively connected with the filter element, and the other surface of the PCB is conductively connected with the connecting terminal; the filter element comprises a flat wire inductor, the flat wire inductor comprises a square magnetic core and two flat copper coils, and the two flat copper coils are respectively wound on two sides of the magnetic core and then are conductively connected with the PCB. The manufacturing method comprises the following steps: A, automatically manufacturing the flat wire inductor; and B, automatically assembling and welding the PCB. On the basis, the problems of low production efficiency, limited performance and low reliability caused by the defects of an existing filter in structural composition and manufacturing method are solved.

The application discloses a modular assembly type water loading test system, and belongs to the technical field of structure test, which comprises a loading structure system and a water quantity monitoring control system. In the application, the test system adopts modular units, is integrally provided with lateral supports, is stable and reliable in structure, and can adapt to test structure deformation in a loading process through connection design, so that the loading precision is improved. Each loading unit is independent and easy to combine, can be suitable for various test structure forms, can simulate various load modes, has strong universality, and is provided with standardized design standardization of structural component parts. Bolts are adopted for connection, the structure can be disassembled and reassembled, and has high recycling value. The water quantity monitoring control system adopts sensors and control elements, improves the automation level of the test system, improves the loading efficiency and the loading precision, greatly reduces the loading workload, and water as loading heavy objects can be recycled, so that the loading cost is low and the environmental influence is small.

1. Name of the design product: process control comprehensive training system. 2. Use of the design product: teaching equipment for simulating common physical quantities in modern industrial production process and researching process control law. 3. Design points of the design product: in the shape and structure, composition of the product. 4. Picture or photo best indicating the design points: perspective view.

The invention relates to the field of engineering detection, in particular to a slope terrain pier deformation detection structure and method. The slope terrain pier deformation detection structure and method are included, the detection structure comprises a slope simulation system, a pier model, a load simulation system and a detection system, and all the systems have corresponding structural composition and connection relations; the detection method comprises the steps of filling the filler frame to form a simulated slope, simulating construction and pouring related structures, arranging the positioning table and the mounting platform, mounting the detector, applying a load, recording data and the like. The slope terrain condition can be simulated, the deformation conditions of the pier model and the slope under the load effect are accurately detected, the deformation characteristics of the pier in the slope terrain in the actual engineering are effectively reflected, and the reliable basis is provided for engineering design and construction.

The application discloses a heat-resistant manganese steel based on oxide film modification and a preparation method and application thereof, and the chemical components of the heat-resistant manganese steel are as follows in percentage by mass: C: 1.0-2.0%, Mn: 10.0-20.0%, Al: 4.0-12.0%, Si: 0.5-1.5%, Cr: 1.0-2.2%, RE: 0.05-0.09%, S: less than or equal to 0.04%, P: less than or equal to 0.04%, and the rest is iron. The preparation method comprises the following steps: after raw materials are smelted according to the proportion of the chemical components, deoxidation treatment and modification treatment are carried out, the castings are poured and then heat-treated. Through the regulation of the Al element, the growth mode and structural composition of high-temperature oxides of the material are changed, the growth rate of the oxides is reduced, the high-temperature oxidation resistance is significantly improved, the heat-resistant manganese steel is suitable for structural parts serving under high-temperature conditions such as automobile turbine shells and exhaust pipes, metallurgical blast furnace nozzles and high-temperature stirring furnace blades, and has a good practical prospect.

The utility model discloses a kind of H-shaped steel structure beam column splicing structures, it is related to steel structure beam column technical field, including stand, connecting frame, plug, crossbeam. The utility model has reliable splicing assembly, connecting frame is composed of two open U-shaped structures opposite, the lapping between stand and crossbeam can be effectively realized;By setting plug, it can be convenient to connecting frame to the side of stand and install, and it is convenient for worker to open hand to install bolt;And by installing connecting frame in the upper end of stand, the continuation between multiple stands can also be realized, to meet the use demand of higher stand;It also has multiple components that improve the stability of beam column structure, make the beam column structure spliced out more safe and reliable: by installing bracket on the underside of crossbeam, crossbeam can be supported from bottom;By setting steel rope, crossbeam can be hoisted from upside, further improve the structural stability of steel structure beam column.