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426results about "Elongated constructional elements" patented technology
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Truss-lattice materials consisting of mixed polygons
Disclosed are lattice materials including a truss structure obtained by arranging struts to form at least two triangles on each side of a polygon (i.e., a triangle, a quadrilateral, or a hexagon), which are used in many engineering fields, especially in materials engineering. The elastic modulus values per unit weight of many of the lattice materials produced from the truss structure are higher than those of the most existing cellular solids with stochastic cell distributions and many existing lattice materials. Using the truss structure disclosed herein, it is possible to produce two-dimensional (planar) lattice materials as well as spherical or tubular lattice structures in the form of a first cylindrical tube or a second cylindrical tube.
Owner:TOBB EKONOMI VE TEKNOLOJI UNIVERSITESI
Photovoltaic profile and preparation method and application thereof
The invention belongs to the technical field of photovoltaic materials, and provides a photovoltaic profile and a preparation method and application thereof. The preparation method comprises the following steps: carrying out surface conditioning and phosphorization on a steel substrate (carbon steel or recycled steel or low alloy steel), carrying out electrophoretic deposition by using epoxy thermosetting electrophoretic primer, and pre-drying; the outer surface of a workpiece is coated with fluorocarbon finish paint (the fluorocarbon finish paint comprises the following raw materials in specific content: polyester resin with a certain viscosity hydroxyl value, fluorocarbon resin with a certain viscosity hydroxyl value, pigment filler, an organic solvent, a wetting leveling agent, a dispersing agent, a defoaming agent, an adhesion promoter and an aliphatic isocyanate curing agent), and curing is performed. And an electrophoretic primer layer with the thickness of 15-25 microns and a fluorocarbon finish layer with the thickness of 20-30 microns are formed on the outer surface of the steel substrate through curing. According to the photovoltaic profile, the electrophoretic primer layer and the fluorocarbon finish paint layer are formed on the low-cost steel substrate through one-time curing, the process can be simplified, the cost can be reduced, the paint layer is thin, and the photovoltaic profile further has long-term excellent adhesive force, aging resistance, corrosion resistance, weather resistance, gloss retention and the like.
Owner:JOLYWOOD SUZHOU SUNWATT
Combined structure spiral welded steel pipe and continuous production equipment thereof
ActiveCN223242285UElongated constructional elementsOther manufacturing equipments/toolsFillet weldPipe
The utility model relates to a spiral welded steel pipe with a combined structure and continuous production equipment thereof.The steel pipe is composed of an inner-layer steel pipe wall and an outer-layer steel pipe wall, the inner-layer steel pipe wall and the outer-layer steel pipe wall are formed by spirally rolling and welding an upper steel belt and a lower steel belt, a vertical steel belt is welded between the upper steel belt and the lower steel belt, and after a pipe body is manufactured through welding, a cavity is formed between the upper steel belt and the lower steel belt; the vertical steel belt is provided with a first welding seam which is formed with the upper steel belt and is positioned on the wall surface of the upper steel belt, the vertical steel belt is provided with a second welding seam which is formed with the lower steel belt and is positioned on the wall surface of the steel belt, and the first welding seam and the second welding seam are positioned inside the cavity. By means of the multi-welding-seam design, high-strength connection among the three parts is guaranteed, large mechanical loads can be borne, the stability and durability of the structure can be kept, secondary reinforcement is achieved through combination with vertical steel belt fillet welding seams, the strength of the welding seams is remarkably improved, and the welding seams which are not exposed are attractive.
Owner:NANJING DADE STEEL PIPE CO LTD
Narrow-surface section bar
The invention relates to a steel profile. The invention is characterized in that a small convex narrow surface is arranged on the base body or the boss. Contact area can be reduced, friction force is reduced, and mechanical efficiency is improved.
Owner:HANDAN XINYU PRECISION MATERIALS CO LTD
Ultra-lightweight trailer and method of construction
PCT designated stageWO2026011251A1Elongated constructional elementsUnderstructuresArchitectural engineeringStructural engineering
A trailer body including a first rail member and a second rail member positioned parallel to one another. The trailer body may include at least two interlocking floor segments, where each interlocking floor segment may have a first end and a second end and are adapted to perpendicularly engage in between the first and second rail members. The trailer body may further include at least one horseshoe-shaped support member having a first end and a second end, whereby the first end of the horseshoe-shaped support member is securely engaged to the first rail member, and the second end of the horseshoe-shaped support member is securely to the second rail member.
Owner:DI-VENTURES INC
Aluminum profile convenient to splice
Owner:SHANDONG DEKAS ALUMINUM CO LTD
Structural modular building connector
A connector assembly, having an upper connector coupled to a lower connector and a gusset plate sandwiched between the upper and lower connectors. Also, disclosed is a hoistable connector assembly, a lifting frame assembly, a coupling system for modular frame units, a method for assembling a module unit using the connector assembly, and a modular frame unit and building having the connector assembly.
Owner:Z MODULAR HOLDING INC
Concrete frame structures manufactured with composite connecting elements and method of erecting them
ActiveJP7788596B2Elongated constructional elementsBuilding material handlingClassical mechanicsStructural engineering
The present invention provides a concrete frame structure including a concrete frame, the concrete frame comprising a number of large vertical reinforcing bars, a number of small vertical reinforcing bars and a number of cast steel elements, the number of large vertical reinforcing bars and the number of small vertical reinforcing bars are arranged in the longitudinal direction of the frame and fixed and connected by a number of cast steel elements to form a cylindrical structure with gaps, the number of small vertical reinforcing bars are located inside the cylindrical structure, and the number of large vertical reinforcing bars located outside the cylindrical structure are provided with a number of hook reinforcing bars along the circumferential direction, so that the large vertical reinforcing bars and the small vertical reinforcing bars are all surrounded by the hook reinforcing bars, and the concrete frame structure manufactured by the composite connection element of the present invention has outstanding load-bearing performance, durability and economic performance, and can be applied to various reinforced concrete and reinforced steel structure buildings, particularly useful for a wide range of heavy-load or complex irregular high-rise and super-high-rise buildings, and has a significant process practical significance in promoting its practical application and popularization. The present invention also provides a method for erecting said frame structure.
Owner:黄均贤
Lightweight aluminum profile structure with reinforcing ribs
The utility model relates to the technical field of aluminum profiles, and discloses a light-weight aluminum profile structure with reinforcing ribs, which comprises an aluminum profile main body, light-weight through grooves are arranged at four corners and the center of the aluminum profile main body, and partition blocks are arranged in the light-weight through grooves to partition cavities and improve strength. Edge guide grooves are formed in the outer wall of the periphery of the aluminum profile body, light-weight reinforcing ribs are movably inserted into the edge guide grooves and are of hollow structures, and the two ends of each light-weight reinforcing rib are provided with an inner limiting protruding end and a stroke boss correspondingly so that the edge guide grooves can be limited and supported. The aluminum profile structure has the advantages of being light in weight, high in strength, easy to manufacture, low in cost and the like, and is suitable for various occasions needing light weight and having certain requirements for strength.
Owner:JIANGSU QINGTIAN ALUMINUM CO LTD
Integrated corrosion-resistant magnesium-iron-aluminum alloy profile structure
The utility model provides an integrated corrosion-resistant magnesium-iron-aluminum alloy profile structure, which relates to the technical field of solar equipment and comprises a corrosion-resistant magnesium-iron-aluminum alloy frame. The first weight reduction cavity is formed in the middle of the corrosion-resistant magnesium-iron-aluminum alloy frame; the multiple second weight reduction cavities are formed in the periphery of the corrosion-resistant magnesium-iron-aluminum alloy frame; the multiple fixing grooves are formed in the periphery of the corrosion-resistant magnesium-iron-aluminum alloy frame; the multiple limiting tooth blocks are connected to the inner side of the fixing groove; and the connecting assembly is movably connected to one side of the corrosion-resistant magnesium-iron-aluminum alloy frame. According to the integrated corrosion-resistant magnesium-iron-aluminum alloy sectional material structure, the first weight reduction cavity, the second weight reduction cavity and the corrosion-resistant magnesium-iron-aluminum alloy frame are integrally formed, the weight can be reduced, meanwhile, the structural strength is guaranteed, sectional materials can be rapidly spliced through the formed fixing grooves, connecting assemblies can be connected more firmly through the limiting tooth blocks, and falling and displacement are prevented.
Owner:CHIZHOU ON NEW MATERIALS TECH CO LTD
Plastic part with internal reinforcing structure design
The utility model discloses a plastic part with a plastic part internal reinforcing structure design, which relates to the technical field of plastic parts and comprises an inner ring, arc-shaped strips are embedded on the inner wall of the inner ring, and second supporting rods are fixedly connected among the arc-shaped strips, in the plastic part, a first supporting rod is fixedly connected with the second supporting rod, the second supporting rod is fixedly connected with the arc-shaped strips, and the first supporting rod and the second supporting rod are fixedly connected with the arc-shaped strips. When the interior of the inner ring is stressed, the first supporting rods and the second supporting rods support the interior of the inner ring, the stressed inner ring exerts acting force on the built-in part, the strength of the whole plastic part in use can be improved by reinforcing the inner side and the outer side of the inner ring, and therefore bending and deformation generated when the plastic part is used can be reduced, and normal use of the plastic part is guaranteed; bolts are mounted in the mounting holes of the first connecting strip and the second connecting strip, so that position deviation during assembly of the plastic part can be reduced, corrosion-resistant and weather-resistant protection can be performed on the outside of the plastic base layer through the protective surface layer and the auxiliary layer, and the service life of the plastic part is prolonged.
Owner:ZHONGSHAN YIZE PLASTIC MOLD CO LTD
Square truss structure with high stability and freedom of configuration, as space division or shelf
A truss structure for offices, public spaces, and private rooms is presented, forming a rectangular and right-angled framework with specific grid dimensions. Floors, side and back panels, or small cabinet, compartment, or shop elements can be inserted into the openings for various uses. The use of continuous struts, which feature novel recesses at their intersections to form a cross-joint (31), achieves particularly high angular stability. This is achieved by the interlocking recesses (23) of the cross-shaped radii, creating a positive fit under a screw force. This allows for the creation of basic elements in specific sizes and heights, as well as truss structures designed according to customer specifications.The recesses (21) arranged at the strut ends form smooth corners and edges on the outside, allowing connectors (41) and connecting struts to be attached at any point on the struts and to fit precisely into the structure. This creates a hybrid system that combines highly stable basic elements with supplementary elements while maintaining the design.
Owner:BLAHA FRIEDRICH
Hot-rolled H-beam and its production method
The present invention discloses a hot-rolled H-shaped steel including a web, a first flange plate, and a second flange plate, in which the difference in thickness between the first flange plate and the second flange plate, |T1-T2|, is greater than 0, and the ratio of the difference in area between the first flange plate and the second flange plate, |S1-S2|, to the area S1 of the first flange plate is less than or equal to 1, or the ratio of the difference in area between the first flange plate and the second flange plate, |S1-S2|, to the area S2 of the second flange plate is less than or equal to 1. The hot-rolled H-shaped steel of the present invention can meet the production requirements of various specifications in which the thicknesses of the flanges on both sides are not equal, and can also avoid the occurrence of side bending during the rolling process. The difference in the flow rate of metal per second of the flanges on both sides during the rolling process is controlled within a certain range, thereby stably producing hot-rolled H-shaped steel with the thicknesses of the flanges on both sides being not equal. The present invention further discloses a production method of hot-rolled H-shaped steel.
Owner:MAANSHAN STEEL & IRON CO LTD
High-precision stainless steel structure easy to machine
The invention relates to the technical field of stainless steel materials, in particular to a high-precision stainless steel structure easy to machine. According to the technical scheme, the device comprises a cuboid-shaped first main body matching column, a second main body matching column which is integrally formed and identical in length is arranged at the lower end of the first main body matching column, and the projection of the second main body matching column in the front-back direction is of an isosceles trapezoid structure; the width of the upper end of the second main body matching column is the same as that of the first main body matching column, a cylindrical center matching connecting hole penetrating through the whole front-back direction is formed in the front face of the first main body matching column, and a combined connecting matching groove penetrating through the whole front-back direction is formed in the front face of the second main body matching column. The machining tool has the advantages that material waste can be effectively reduced during later machining, the machining precision is improved, and when structures such as fastening holes are machined, the machining tool can be matched with a precise positioning groove for positioning and matching during machining.
Owner:JIANGSU GANGLIAN STAINLESS STEEL MFG CO LTD
Nano anti-corrosion cylindrical aluminum alloy ingot
The utility model provides a nanometer anti-corrosion cylindrical aluminum alloy ingot, and relates to the technical field of aluminum alloy ingots. The nanometer anti-corrosion cylindrical aluminum alloy ingot comprises an aluminum alloy ingot body, two clamping frames are fixed to one side of the aluminum alloy ingot body, two clamping grooves are formed in the other side of the aluminum alloy ingot body, an inserting groove is formed in one end of the aluminum alloy ingot body, and an inserting frame is fixed to the other end of the aluminum alloy ingot body. A plurality of grooves are formed in the two sides of the aluminum alloy ingot body, and a stabilizing frame is fixed to the middle of each groove. According to the nanometer anti-corrosion cylindrical aluminum alloy ingot, the effect of stable connection is achieved by stacking every two adjacent aluminum alloy ingot bodies together, the effect of improving the connection stability of the cylindrical aluminum alloy ingot is achieved, and the effect of stable placement is achieved when the aluminum alloy ingot bodies are placed on a machining platform; and position deviation of the cylindrical aluminum alloy ingot during placement is avoided, and then the effect of improving the placement stability of the cylindrical aluminum alloy ingot is achieved.
Owner:中力鸿(惠州)新材料科技有限公司
High-precision stainless steel structure easy to machine
The utility model relates to the technical field of stainless steel materials, in particular to a high-precision stainless steel structure easy to machine. According to the technical scheme, the device comprises a cuboid-shaped first main body matching column, a second main body matching column which is integrally formed and identical in length is arranged at the lower end of the first main body matching column, and the projection of the second main body matching column in the front-back direction is of an isosceles trapezoid structure. The width of the upper end of the second main body matching column is the same as that of the first main body matching column, a cylindrical center matching connecting hole penetrating through the whole front-back direction is formed in the front face of the first main body matching column, and a combined connecting matching groove penetrating through the whole front-back direction is formed in the front face of the second main body matching column. The fixture has the advantages that waste of materials can be effectively reduced during later machining, machining precision is improved, and the fixture can be matched with a precise positioning groove for positioning and matching during machining when structures such as fastening holes are machined.
Owner:JIANGSU GANGLIAN STAINLESS STEEL MFG CO LTD
Edge profile with good corrosion resistance and long service life
The utility model provides an edge profile with good corrosion resistance and long service life, which belongs to the technical field of profiles and comprises an L-shaped aluminum profile body, first bolt holes are formed in two sides of the inner side of the upper surface of the L-shaped aluminum profile body, and a second bolt hole is formed in the center of the outer surface of the L-shaped aluminum profile body. Through holes are formed in the first bolt hole and the second bolt hole correspondingly, and the other ends of the through holes penetrate through the side face of the L-shaped aluminum profile body. The through holes are formed in the first bolt hole and the second bolt hole of the L-shaped aluminum profile body, and after the L-shaped aluminum profile body is installed at the installation position through bolts, the ventilation performance of the first bolt hole and the second bolt hole can be improved through the through holes, so that water located in the first bolt hole and the second bolt hole is diffused through the through holes; water is prevented from being gathered at the first bolt hole and the second bolt hole, the first bolt hole and the second bolt hole are prevented from being corroded due to long-term moisture, and the service life of the L-shaped aluminum profile body is prolonged.
Owner:QINGDAO XINGHAI TENGDA MASCH MFG CO LTD
High-temperature-resistant anti-fatigue aluminum alloy profile structure
The utility model discloses a high-temperature-resistant anti-fatigue aluminum alloy profile structure which comprises an aluminum alloy profile body, a reinforcing plate is fixedly connected to an inner cavity of the aluminum alloy profile body, reinforcing ribs are fixedly connected to the four corners of the inner cavity of the aluminum alloy profile body, and embedding grooves matched with the reinforcing ribs are formed in the four corners of the reinforcing plate. Reinforcing blocks are fixedly connected to the four corners of the surface of the aluminum alloy profile body, and the aluminum alloy profile body comprises a base material layer. According to the aluminum alloy section bar, the reinforcing plate is arranged, so that the aluminum alloy section bar has good use strength and good anti-fatigue performance, meanwhile, the reinforcing ribs and the reinforcing blocks are arranged, the use strength of the aluminum alloy section bar can be further improved, the aluminum alloy section bar is not prone to bending deformation, and the multiple composite structures are arranged, so that the service life of the aluminum alloy section bar is prolonged. The aluminum alloy profile body can have good high temperature resistance, corrosion resistance and wear resistance, and therefore the service life of the aluminum alloy profile body can be prolonged.
Owner:CHIZHOU ON NEW MATERIALS TECH CO LTD
High-strength and impact-resistant aluminum material structure
ActiveCN224214518UStress concentration realizationAchieve impact resistanceElongated constructional elementsRod connectionsImpactMaterials science
The utility model belongs to the field of metal structure engineering, and particularly relates to a high-strength and impact-resistant aluminum material structure which comprises a main body frame and a deformable supporting assembly, the main body frame is a long-strip-shaped aluminum strip with the length larger than or equal to 5 meters, and a double-layer gradient reinforcing rib assembly is arranged on the surface of the long-strip-shaped aluminum strip. A reinforcing seat in a deformable supporting assembly is matched with a first mounting groove in the side face of a long-strip-shaped aluminum strip, after matching of the reinforcing seat is completed, a limiting bolt penetrates through a limiting hole so that the reinforcing seat and the long-strip-shaped aluminum strip can be locked and matched, and after locking matching is completed, a mounting cushion block is mounted in a second mounting groove; a positioning bolt penetrates through a positioning hole to lock and match an installation cushion block and a long-strip-shaped aluminum strip, a connecting rod in a deformable supporting assembly rotates around a hinged joint to deform, an elastic energy absorption element absorbs impact kinetic energy and converts the impact kinetic energy into elastic potential energy, meanwhile, longitudinal reinforcing ribs on the surface of the connecting rod restrain buckling deformation, and multi-stage energy dissipation is achieved.
Owner:DONGGUAN QIDE METAL MATERIAL CO LTD
Concave-shaped thin plate cold-bending sectional material
The utility model belongs to the technical field of building profiles, and particularly relates to a U-shaped thin plate cold bending profile which is characterized by comprising a U-shaped main body formed by four flange plates and three webs in a cold bending mode, the four flange plates comprise two middle flange plates and two outer side flange plates, and the two middle flange plates and the two outer side flange plates are arranged on the U-shaped main body. The three sections of web plates comprise a middle web plate and two outer side web plates arranged below the two sides of the middle web plate. According to the U-shaped thin plate cold-bending section bar, the structural performance is optimized, a double-closed cavity is formed by combining the three sections of stepped staggered web plates and the four flange plates, the moment of inertia of the section is greatly improved, and the bending resistance is remarkably enhanced and is improved by more than 40% compared with a traditional C-shaped keel; a rectangular cavity formed by the middle web plate and the two outer side web plates can be used for hiding wire pipes, and square pipes can be inserted into the rectangular cavity for reinforcement, so that a'structure-wiring 'integrated design is realized.
Owner:LIAONING FREDA BUILDING SCI & TECH CO LTD
Glass fiber reinforced plastic grating with reinforced sand inclusion layer
ActiveCN223375553UElongated constructional elementsTemporary pavingsGlass fiberFiberglass reinforced plastic grating
The utility model discloses a glass fiber reinforced plastic grating with a reinforced sand inclusion layer, which relates to the technical field of gratings and comprises a glass fiber reinforced plastic grating main body. A placing groove is formed in the surface of the upper end of the glass fiber reinforced plastic grating body, a limiting sliding groove is formed in the surface of the inner wall of the placing groove, a sliding block is slidably installed on the surface of the limiting sliding groove, a dismounting module is arranged on the surface of one side of the sliding block, and the dismounting module is installed in the placing groove. According to the glass fiber reinforced plastic grating with the reinforced sand inclusion layer, compared with an existing common glass fiber reinforced plastic grating, through the arrangement of the dismounting modules, after a plurality of glass fiber reinforced plastic grating bodies are spliced, the glass fiber reinforced plastic grating bodies can be conveniently detached according to use requirements, and the glass fiber reinforced plastic grating bodies can be conveniently detached. The disassembly module can be rapidly taken out from the interior of the glass fiber reinforced plastic grating body, the reserved space of the glass fiber reinforced plastic grating body is enlarged, the time for cutting the glass fiber reinforced plastic grating body is shortened, and the installation efficiency of the glass fiber reinforced plastic grating body is improved.
Owner:LIANYUNGANG NAPURUI NEW MATERIAL CO LTD
Anti-deformation aluminum profile frame
Owner:CHANGZHOU CHANGYING MASCH CO LTD
Anti-deformation aluminum profile structure
ActiveCN224050142UElongated constructional elementsNon-rotating vibration suppressionStress concentrationHoneycomb structure
The utility model discloses an anti-deformation aluminum profile structure which comprises an aluminum profile body, a first cavity and a second cavity are formed in the aluminum profile body, a cross-shaped anti-deformation rib is arranged in the first cavity, an anti-deformation inner core is arranged in the second cavity, and a cellular board is bonded in the anti-deformation inner core. According to the utility model, the hexagonal honeycomb structure of the honeycomb plate uniformly disperses external pressure to the whole aluminum profile by utilizing the geometric mechanics principle, so that the problem of stress concentration of a traditional hollow cavity is avoided, the local deformation is greatly reduced, and the cross-shaped anti-deformation ribs and the aluminum profile main body are integrally designed to form a three-dimensional support network, so that the deformation resistance of the aluminum profile is greatly improved. When lateral impact occurs, energy can be absorbed through elastic deformation of the rib bodies, and damage to the main body structure is reduced. The anti-deformation inner core, the cellular board, the sound insulation block and the heat insulation block are all factory prefabricated parts and are installed on site only through gluing, the site machining procedures are reduced, and the construction period is greatly shortened.
Owner:ANYANG TIANYANG NEW MATERIAL TECH CO LTD
Section bar
Owner:SUZHOU SKYLARK ROBOT TECH CO LTD
Wear-resistant steel pipe
The utility model discloses a wear-resistant steel pipe which comprises a main pipe, an expansion pipe and a locking mechanism. The main pipe is arranged, the expansion pipe is connected to the inner end of the main pipe, the expansion pipe can be stretched, the strength of the steel pipe can be enhanced when the expansion pipe is recycled, the length of the steel pipe can be increased when the expansion pipe extends, flexibility is high, functions are diversified, the locking mechanism is arranged at the outer front end of the main pipe, and the locking mechanism comprises the fixing ring, the cavity, the spring piece, the protrusion and the like. The expansion pipe can be fixed under mutual cooperation, the expansion pipe can be prevented from moving freely in the main pipe, the connection stability of the main pipe and the expansion pipe is improved, and high practicability is achieved.
Owner:HEBEI ZHONGRONG INTERNATIONAL TRADE CO LTD
Welded pipe with detachable closed round covers at two ends
ActiveCN223105803UElongated constructional elementsRigid pipesProtective capacityMechanical engineering
The utility model discloses a welded pipe with detachable closed round covers at two ends, the two ends of a welded pipe body are opened and internally communicated, a plurality of fixing pieces are fixedly mounted on the inner walls of the two ends of the welded pipe body, the fixing pieces are combined into a surrounding ring shape and fixed on the inner wall of the welded pipe body, and mounting holes are formed in the centers of the fixing pieces. A sealing round cover is connected and installed on the fixing piece, and the two sides of the welded pipe body are sealed after the sealing round cover is installed. By means of the mode, the sealing round covers are installed on the inner sides of the two ends of the steel pipe body to improve the pressure resistance and the protection capacity of the steel pipe, flexible channel opening and closing selection can be provided, pressure-resistant protection is formed on the two ends of the steel pipe body after the sealing round covers are installed, and the two ends of the steel pipe body are not prone to flattening deformation. After the sealing round cover is installed, the connection between the two ends of the welded pipe body can be opened or closed through the rotary cover, the rotary cover can be opened for threading and leading wires in the welded pipe body and guiding internal parts, and the sealing operation of the welded pipe body can be achieved by closing the rotary cover.
Owner:SHANDONG SHENGXING TOWER CO LTD
High-strength special-shaped steel pipe
The utility model discloses a high-strength special-shaped steel pipe, which relates to the technical field of special-shaped steel pipes and comprises a left half pipe and a right half pipe, the left half pipe and the right half pipe are welded and connected, the left half pipe and the right half pipe are made of the same materials and are arranged in a mirror image manner, and a plurality of groups of locking hoops are welded on the outer walls of the left half pipe and the right half pipe. According to the high-strength special-shaped steel pipe, due to the fact that the high-strength special-shaped steel pipe is formed by welding the left half pipe and the right half pipe, the mode of double-face simultaneous welding or multi-person simultaneous welding can be adopted for symmetrical welding, and therefore a complex special-shaped steel pipe structure can be conveniently machined, and production efficiency can be remarkably improved.
Owner:WUXI HONGHE SPECIAL-SHAPED STEEL PIPE CO LTD
Easily-combined high-bearing-capacity bar
ActiveCN223563974UElongated constructional elementsRod connectionsStructural engineeringMechanical engineering
The utility model relates to the technical field of bar products, in particular to a bar easy to combine and high in bearing capacity. According to the technical scheme, the bar comprises a bar body structure in the left-right direction of a center shaft, a combined connection matching groove is formed in the end face of the bar body structure in the length direction, and the portions, located on the upper side and the lower side of the combined connection matching groove, of the bar body structure are each provided with a combined limiting safety groove with an outer opening facing the outer side. The outer edge of the combined limiting safety groove is provided with a matched guide fillet, and the upper side and the lower side of the bar body structure are provided with fastening connection combined holes communicating with the combined connection matched groove correspondingly. The high-strength bar has the advantages that high-strength supporting, connecting and matching can be conducted during installation, the bearing capacity of the bar body is higher during use, the matching requirement of an installation position with the high strength requirement can be met, a plurality of clamping assemblies do not need to be matched for matching and connecting during overall installation, and the efficiency during installation is higher.
Owner:XINGHUA FUXIN MASCH MFG CO LTD
High-hardness aluminum alloy profile structure
The utility model provides a high-hardness aluminum alloy section structure, which relates to the technical field of aluminum alloy sections and comprises an alloy framework, a plurality of clamping grooves are arranged on the surface of the alloy framework and are uniformly distributed in a rectangular manner, and a weight reduction groove is arranged in the alloy framework. By means of the arrangement of the clamping grooves, the fixing piece and the alloy framework can be conveniently and efficiently connected and clamped, the fixing piece and the alloy framework are tightened through the bolts, a fixed object can be efficiently fixed on the surface of the aluminum alloy framework, the phenomenon that goods shake and deviate is avoided, the number of the clamping grooves is set to be multiple, efficient fixing of the goods is improved, and the service life of the goods is prolonged. The fixing stability of the alloy profile is improved, the overall weight of the alloy profile is effectively improved through the arrangement of the weight reduction grooves, and therefore the aluminum alloy profile is convenient for a user to move, adjust and install, the use convenience is improved, meanwhile, the overall applicability of an alloy framework is improved, and the production cost is reduced.
Owner:CHIZHOU ON NEW MATERIALS TECH CO LTD
Guide rail arrangement for an elevator and lift
ActiveDE202025105033U1Elongated constructional elementsRod connectionsClassical mechanicsStructural engineering
Guide rail arrangement for an elevator, comprising two adjacent guide rails (1) and a fishplate (2) connecting the two guide rails, characterized in that that each guide rail (1) extends vertically and has a constant cross-section along its length and comprises the following components: a guide section (11) adapted to a guide shoe arranged on an elevator car; a support section (12) for supporting the guide section (11), wherein a cavity (S) is formed within the support section (12), and that the fish plate (2) has a projection (21) whose shape is adapted to the cavity (S) within the support section (12) of the guide rail (1) and which is inserted into the respective cavity (S) of the guide rails (1).
Owner:KONE OYJ