140results about "Elongated constructional elements" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

The utility model discloses a lead-free environment-friendly copper alloy bar for a valve, which comprises a lead-free copper alloy bar body, a hollow hole is arranged at the center of the lead-free copper alloy bar body, a plurality of inclined planes are arranged on the surface of the lead-free copper alloy bar body at equal intervals, an anti-corrosion paint layer is arranged on the surface of the lead-free copper alloy bar body, and the anti-corrosion paint layer is arranged on the surface of the lead-free copper alloy bar body. The lead-free copper alloy bar has the advantages that through the arrangement of the hollow holes, the weight of the lead-free copper alloy bar body is reduced, meanwhile, enough strength is kept, meanwhile, resistance and thermal resistance are reduced, and the electric conduction efficiency and the heat conduction efficiency are improved; the copper alloy material is low in cost, low in cost and free of lead and chromium, meets international environmental protection standards, reduces potential hazards to the environment and human bodies, keeps high strength, high toughness and good machinability of a traditional copper alloy, and is suitable for manufacturing various valve parts.

The invention relates to a metal structure for an agricultural or horticultural greenhouse, the roof of which comprises curved posts (20) supporting at least one roofing film. It comprises at least one multitubular profile (21) extending in the longitudinal direction of the greenhouse and being fixed to said posts (20). The multitubular profile (21) comprises: a first tubular profile (22), a second lateral tubular profile (23) having a groove for fixing the profile (24); and a third tubular profile (25). Said multitubular profile (21) is fixed to said posts (20) by a screw connecting two fixing brackets. Each fixing bracket has at least one through hole for the passage of said screw and a fixing portion adapted to fit through the opening of the fixing groove of the profile (24). Figure for the abstract: Fig. 1

This utility model discloses a quick-folding high-strength fiberglass grating, including a grating assembly and a fixing plate assembly. The fixing plate assembly is located on one side of the grating assembly, and the grating assembly is rotatably connected upwards around one side of the fixing plate assembly. The grating assembly includes a glass grating; a stainless steel plate is located on one side of the glass grating; a support box is located at the lower end of the stainless steel plate; a telescopic rod is located inside the support box; a support plate is located at one end of the telescopic rod; and pivots are located at both the front and rear ends between the glass grating and the stainless steel plate. This utility model connects the glass grating and the limiting strip via pivots, allowing the glass grating to flip upwards around the pivots, thereby achieving a quick-folding and flipping function for the entire device. This facilitates maintenance and operation of the space below the glass grating. The support plate supports the glass grating, effectively improving its compressive strength. The horizontal movement of the support plate can be adjusted by moving a lever.

The utility model discloses a sound insulation aluminum profile reinforcing structure, and particularly relates to the technical field of aluminum profiles, the sound insulation aluminum profile reinforcing structure comprises an aluminum profile outer frame, a sound insulation reinforcing protection device is arranged in the aluminum profile outer frame, and the sound insulation reinforcing protection device comprises a supporting stabilizing assembly and a sound insulation protection assembly. The supporting and stabilizing assembly is arranged on the outer wall of the sound insulation protection assembly. Compared with the prior art, the sound insulation aluminum profile reinforcing structure has the advantages that when the sound insulation protection assembly is used, the sound insulation cotton is installed in the sound insulation inner cover arranged in the sound insulation protection assembly for sound insulation, and the problem that an aluminum profile outer frame does not have the sound insulation effect when used is solved; and the device performs stable cross-shaped supporting work through a cross-shaped supporting frame arranged in the sound insulation protection assembly, so that the stability and the use strength of the aluminum profile outer frame during use are further enhanced.

The utility model discloses a fiber reinforced plastic (FRP) composite pipe, which comprises an FRP pipe and an adhesion layer adhered on the inner wall of the FRP pipe, and a steel wire is arranged between the FRP pipe and the adhesion layer. Wherein the tensile strength of the steel wire is greater than or equal to 1400 MPa. The FRP composite pipe provided by the utility model has excellent lateral pressure resistance, material ductility, circumferential tensile strength and the like, has good adhesive property with concrete, and is suitable for being used as a permanent template in road facilities, bridges, tunnels, industrial buildings, civil buildings and the like. Meanwhile, the FRP composite pipe also has excellent corrosion resistance, can effectively resist air, moisture, chloride ion permeation and the like, and is also suitable for being applied to a marine environment concrete structure.

Assembly comprising at least one spar (30), at least one solar panel (20) supported by at least one spar (30), and at least one reinforcement (40) extending transversely to at least one spar (30), said reinforcement (40) comprising at least one upper flange (42) and at least one lower flange (44) fixed relative to each other, the distance (E1) between the upper flange (42) and the lower flange (44) being greater than the thickness (E2) of the solar panel (20) such that the upper flange (42) and the lower flange (44) define between them a space (46) configured to receive the solar panel (20) with clearance. Fig. 1.

A joining cage for insertion into a gap (17) between two components (10, 12) to be joined by means of insertion and subsequent bonding is characterized in that it consists of two parallel, spaced-apart circumferential sealing rings (20, 22) adapted to the cross-sectional shape of the gap (17), which are connected to each other via connecting webs that do not extend beyond the height of the gap (17), wherein the first sealing ring (20) to be arranged at a joint of the components (10, 12) to be joined has at least two opposing outlet openings (31a, 31b), and two substantially L-shaped sealing strips (42a, 42b) with two legs (38, 40) are formed, the first leg (38) of which is formed on the first sealing ring (20) next to each outlet opening (31a, 31b) and extends in the direction of the second sealing ring (22) and the second leg (40) of each of its two legs extends to the adjacent outlet opening (31a,31b) bridging in the circumferential direction of the gap (17) to define a flow path for the injected adhesive, which is formed from an injection point (46) opposite the respective second legs (40), with flow around the L-shaped sealing strips (42a, 42b) on both sides, to the outlet openings (31a, 31b). The special shape of the joining cage creates a labyrinth or flow channels for the injected adhesive, through which the adhesive flows to the exit openings (31a, 31b). Once adhesive has exited both openings (31a, 31b), it is ensured that the entire gap (17) is filled with adhesive.

The utility model relates to the technical field of polytetrafluoroethylene grating plates, and discloses a novel polytetrafluoroethylene grating plate structure which comprises a plurality of polytetrafluoroethylene pull rods distributed from left to right, the exteriors of the polytetrafluoroethylene pull rods are jointly provided with a grating plate assembly, and the exteriors of the front ends and the rear ends of the polytetrafluoroethylene pull rods are jointly and movably connected with limiting plates; two limiting pipes are symmetrically and rotatably connected to the interior of the limiting plate in a penetrating mode, welding rods are connected to the interiors of the limiting pipes in a threaded mode, ratchet wheels are fixedly connected to the sides, away from the grating plate assembly, of the exteriors of the limiting pipes, and an anti-loosening mechanism is arranged on the surface of the side, away from the grating plate assembly, of the limiting plate and located above the limiting pipes. By means of the threaded linkage design of the limiting plate, the limiting pipe and the welding rod, the function of rapid disassembly, assembly and maintenance is achieved on the premise that the welding rod is not damaged; during installation, the limiting pipe is rotated clockwise, and the limiting plate is pushed to press the fixing nuts at the two ends of the polytetrafluoroethylene pull rod, so that the grating plate assembly is stably fixed to the polytetrafluoroethylene batten and the sleeve.

The invention provides a high-ductility fiber reinforced composite pultrusion profile, and relates to the technical field of pultrusion profiles. The sectional material body is made of single fiber or hybrid fiber; the profile body comprises flanges, webs, alignment ribs and dislocation ribs, the two sets of flanges are arranged in parallel, the two sets of webs are arranged in parallel and arranged between the two sets of flanges in the vertical direction, and cavities are formed between the two sets of flanges and the two sets of webs; the aligning ribs and the staggered ribs are arranged in the flanges, flange inner cavities are formed between the adjacent aligning ribs and staggered ribs and between the adjacent staggered ribs, and the aligning ribs and the web are longitudinally aligned. The local buckling strength of each component of the profile body structure is high, and the components are reasonable in arrangement and work cooperatively, so that the overall buckling strength of the structure is high; the profile body has high ductility under the action of impact load, cyclic load, local concentrated load and long-term continuous load, and the problem that a pultrusion profile is prone to brittle failure is solved.

Modular profile system made of extruded profiles, characterized in that the extruded profiles are designed as functionally similar, combinable modules which, in combination with other profiles and / or cover or connecting elements, form a load-bearing structure with at least one inner chamber as well as external and / or internal fastening and functional structures, and have a plurality of fastening openings on their end faces for receiving end caps, connecting elements or functional modules, wherein the design of the inner chamber and the load-bearing structure is independent of whether it is formed by separate profiles or by cover or connecting elements.

A composite volume compensation device includes a support device and a pressure supply device, and can be used to supply pressure to a fluid-solid conversion material. A composite structural member includes three parts, A, B, and C, where part A is a solid device having a cavity, part B is a fluid-solid conversion material, and part C includes at least one of a composite volume compensation device, an independent pressure supply device, an auxiliary support device, and a restraining rib.

The utility model discloses an anti-bending stainless steel bar which is characterized in that a reinforcing rib is arranged in the center of a bar body, the bar body is made of stainless steel, the reinforcing rib is made of carbon fiber composite materials, a composite layer is arranged on the outer surface of the bar body, a frosted layer is arranged on the outer surface of the composite layer, and the bar body is made of stainless steel. A plurality of first connecting grooves are formed in the surface of the frosted layer, the first connecting grooves are rectangular, anti-bending rings are slidably connected to the interiors of the first connecting grooves, first connecting assemblies are slidably connected to the interiors of the first connecting grooves, and second connecting assemblies are arranged on the opposite faces of the first connecting assemblies; and due to the design of the connecting assemblies and the reinforcing ribs, the borne force can be distributed more uniformly, so that local stress concentration is reduced, the bending strength is improved, deformation caused by external force in the using process is reduced, abrasion and corrosion of the material surface can be prevented, and the service life is prolonged.

The application belongs to the technical field of pipe material preparation, and particularly relates to a magnesium-lithium alloy thin-walled pipe material and a preparation method thereof. The preparation method of the magnesium-lithium alloy thin-walled pipe material comprises the following steps: spinning forming a magnesium-lithium alloy blank to obtain a magnesium-lithium alloy thin-walled pipe material; the magnesium-lithium alloy blank comprises the following components in mass fraction: 8.0%-16.0% Li, 1.0%-5.0% Al, 0.5%-3% Zn, 0.1%-3% rare earth elements, and the balance is magnesium and inevitable impurities. The preparation method of the magnesium-lithium alloy thin-walled pipe material provided by the application realizes efficient forming of magnesium-lithium alloy small and medium-sized thin-walled pipe material, and improves the economy and flexibility of production and preparation.

The utility model relates to the technical field of square tubes, in particular to a stainless steel square tube easy to cut, which comprises a square tube and a gasket component, the gasket component is arranged on the outer surface of the square tube, a dovetail groove is arranged on the outer surface of the square tube, and grooves are equidistantly arranged on two sides of the dovetail groove on the outer surface of the square tube. The gasket assembly comprises a first gasket and a second gasket, and the first gasket and the second gasket are connected with the dovetail groove through clamping grooves. By additionally arranging the auxiliary cutting structure and forming different grooves in the outer surface, the effect of auxiliary limiting is achieved, the stability of the square pipe in the cutting machining process is improved, pressure borne by extrusion can be relieved, deformation is avoided, and therefore the using effect is improved.

The utility model relates to the technical field of aluminum profile products, in particular to a separated conveying reinforced aluminum profile. According to the technical scheme, the section bar comprises a section bar main body structure with a square section, a cylindrical center conveying matching hole penetrating through the whole section bar main body structure in the length direction is formed in the center of the section bar main body structure, and an integrally-formed reinforcing and splicing combination column is arranged at the included angle position of the outer side of the section bar main body structure. The width of the outer side position of each reinforcing and splicing combination column is larger than that of the side position close to the profile body structure, the outer side of each reinforcing and splicing combination column is an arc-shaped structural face, and the outer side faces of the four reinforcing and splicing combination columns are located on a cylindrical face with the same diameter. The split-flow pipeline has the advantages that the using requirement when materials are conveyed in the pipeline in a split-flow mode can be met, the split-flow pipeline can replace a plurality of existing split-flow accessories to be used, the overall combination precision is higher, and meanwhile the structural strength in the pipeline can be effectively enhanced.

The utility model discloses a high-strength stainless steel round bar, and belongs to the field of round bars. A high-strength stainless steel round bar comprises a stainless steel bar body, grooves and through holes are formed in the periphery of the stainless steel bar body respectively, and the grooves are filled with composite materials. A traditional shape is changed, force distribution is more uniform when the round bar bears bending and twisting force, compared with a solid round bar, stress concentration points can be dispersed, bending resistance and twisting resistance are enhanced, shape stability can be maintained in high-load mechanical transmission and structure supporting scenes, equipment faults are reduced, and the service life of the round bar is prolonged. And the composite materials such as titanium alloy or epoxy resin and the like filled in the wave-shaped groove further strengthen the advantage, so that the round bar plays respective advantages under different stress conditions, for example, impact force can be buffered in dynamic mechanical motion, the stress burden of the body is reduced, and the overall mechanical performance of the round bar is improved.

The utility model provides an anti-deformation wave type welded wire mesh, which relates to the technical field of metal wire mesh structures and comprises wave mesh wires, mesh wire connecting slots are arranged in the middles of the wave mesh wires, mesh wire transverse connecting rods are mounted on the inner sides of the mesh wire connecting slots, and the mesh wire transverse connecting rods are connected with the mesh wire connecting slots. Connecting vertical plates are arranged at the left end and the right end of the lower side of the net wire transverse connecting rod; when the wavy netting wires need to be used, as the wavy netting wires are in the sine curve corrugation shape, external force impact can be effectively dispersed, the stability and durability of the overall structure are enhanced, the deformation risk is reduced, workers can flexibly adjust the distance between the wavy netting wires according to actual requirements, and therefore the wavy netting wires are arranged and distributed along the netting wire transverse connecting rods through the netting wire connecting inserting grooves; and meanwhile, the net wire transverse connecting rods can serve as connecting parts to stabilize the structure, the multiple wave net wires can be connected in series, the connecting stability between the wave net wires is improved, and the transverse connecting stability of the wave net wires is improved.

The application discloses a heat shrink tube, comprising a tube body extending in an axial direction, the tube body having a protection channel for accommodating an object to be protected, the tube body having continuous and smooth inner and outer wall surfaces, and having helical tearing properties in the axial direction. When an external tearing force is applied to the heat shrink tube, the tearing behavior is dominated by the microstructure of the material itself. After an initial trigger force is applied to the end of the tube body to initiate a crack, the continuous external force only provides the energy required for tearing, and the crack propagation path is not dependent on the direction control of the external force, but autonomously and stably travels along the preset circumferential and axial coupling track inside the material, forming a continuous helical tearing path, thereby realizing helical tearing and peeling of the heat shrink tube.

The present invention relates to a component (100) comprising a wood component (1; 1*) and a plastic component (2), wherein the plastic component (2) surrounds an edge region (1.1) of the wood component (1; 1*), wherein the wood component (1; 1*) has at least one recess (3; 3*) in the edge region (1.1) which extends through an entire thickness (1.D) of the wood component (1; 1*) and through which the plastic component (2) extends, and wherein the at least one recess (3; 3*) is incorporated into an end face (1.SF) of the wood component (1; 1*). The present invention further relates to a method for manufacturing a component (100), wherein a plastic component (2) is attached to a wooden component (1; 1*) by means of an injection molding process such that the plastic component (2) surrounds an edge region (1.1) of the wooden component (1; 1*), and wherein at least one recess (3; 3*) extending through an entire thickness (1.D) of the wood component (1; 1*) extends into an end face (1.SF) of the wood component (1; 1*).