38results about How to "With load-bearing capacity" patented technology

The invention relates to a rice straw brick preparation method as well as rice straw bricks and application of the rice straw bricks. According to the invention, rice straw is pre-treated through a NaOH solution with the mass fraction of 2%-5%, the rice straw brick preparation method is optimized from the five aspects of NaOH solution soaking concentration, temperature, soaking time, forming pressure and natural curing time, and optimal preparation conditions and method are established. The preparation method is simple and convenient, the sizes of formed products are changed slightly, and the formed products are low in density and excellent in anticorrosion effect and thermal performance. Through the preparation method, the rice straw is prepared into the straw bricks, and the straw bricks are used as building wall materials, so that improvement on thermal insulation performance of a building is facilitated, application and popularization of the straw bricks for building thermal insulation are facilitated, and the straw bricks are particularly suitable for thermal insulation of agricultural buildings.

The invention relates to the technical field of building, and discloses a painting scaffold with a convenient height adjusting function. The painting scaffold comprises a hollow base; a telescopic frame is movably mounted at the top of the hollow base; a supporting plate is movably mounted at the top of the telescopic frame; a fence is fixedly mounted at the top of the supporting plate; two hydraulic telescopic rods are arranged in the hollow base; and sleeves are fixedly mounted at the ends, away from each other, of the two hydraulic telescopic rods. According to the painting scaffold with the convenient height adjusting function, by controlling the hydraulic telescopic rods, the telescopic frame can be controlled to slide in strip-shaped sliding grooves, and thus the supporting plate canrise, fall and contract; when not used, the painting scaffold is folded to be stored, thus the occupied space is small, when used, an object is directly supported, and the lifting efficiency is effectively improved; and the telescopic frame is driven to move, thus the telescopic frame rises, falls and contracts, the telescopic frame has the certain load-bearing capacity, and the personal safety is guaranteed.

The invention relates to an isolation trench which solves the problem that the traditional internally hollow isolation trench cannot be arranged under roads for the reason that the internally hollow isolation trench cannot bear loads. According to the isolation trench, a trench body with a trapezoidal section wide at top and narrow at bottom is arranged in a roadbed pure soil layer in a digging manner; polystyrene plates and reinforced concrete plates are paved in the skew walls on two sides of the trench body from upper part to lower part in sequence; a gravel filling layer flushing with the trench opening is in the trench body; a concrete road surface is poured above the gravel filling layer which is regarded as a base. The isolation trench disclosed by the invention is filled by gravels, so that the isolation trench has the load bearing capacity, and can be arranged under roads. Meanwhile, a vibration isolation tank is arranged in the gravel filling layer, so that transmitted vibration waves can be effectively adsorbed, and the transmission of the vibration waves on two sides of the isolation trench is further reduced.

A terahertz twisted waveguide based on a diaphragm polarization converter comprises a first straight waveguide, a polarization converter, a filling medium, a choke groove, a short-circuiter, a secondstraight waveguide, a coupling probe and a circular waveguide. The first straight waveguide is connected with one port of the polarization converter, the other port of the polarization converter is connected with one port of the circular waveguide, a short-circuiter is constructed on the other port of the circular waveguide, and the second straight waveguide is connected with the short-circuiter through a coupling probe; the circular waveguide is disconnected, a choke groove is formed in the disconnected position, and the choke groove is filled with the filling medium. The invention also provides an implementation method of the terahertz twisted waveguide. According to the invention, torsion at any angle can be realized, the problems of difficult interconnection of non-parallel structuresand heavy bearing of a terahertz communication or radar mechanism of the existing terahertz system are effectively solved, and the practicability of the terahertz communication or radar system is enhanced.

The invention discloses a calcium phosphate whisker frame and a porous composite scaffold and their preparation methods. The frame is made by interconnecting submicron whiskers converted from a porous wall of a macroporous calcium phosphate ceramic scaffold, composed of polycrystalline particles; the high-strength high-toughness calcium phosphate-based porous composite biological scaffold can also be obtained by filling the whisker frame formed porous wall with biological ceramic or polymer slurry. A 'whisker frame-slurry' porous wall structure similar to an architectural 'reinforcement-concrete' structure is obtained by filling the porous calcium phosphate ceramic of whisker frame structure with a slurry filler in vacuum and filling voids of the whisker frame with the slurry, and finally, heat treatment conditions for the filled macroporous scaffold are determined according to the property of the filling slurry. The calcium phosphate whisker frame-based porous composite scaffold has good mechanical properties and biological activity owing to its unique whisker frame structure and is expected to be used for repairing human weight-bearing bones.

The invention relates to a plastic track mechanical capable of changing curvature radius in an assembling process and transmitting electric power. The plastic track mechanism comprises a plastic track (1), a metal supporting framework (2) and a fixed hanging piece (3), wherein the plastic track (1) is made of plastic; a supporting metal slot (4) is formed in the bottom of the plastic track (1); the upper part of the metal supporting framework (2) is inserted into the supporting metal slot (4); the lower part of the metal supporting framework (2) is detachably connected with the fixed hanging piece (3); power-taking grooves (5) are formed in the side faces of the plastic track (1); copper piece slots (6) are formed in the plastic track (1); the copper piece slots (6) are formed in the inner sides of the corresponding power-taking grooves (5); conductive copper sheets (7) are inserted in the corresponding copper piece slots (6); and the supporting metal slot (4), the power-taking grooves (5) and the copper piece slots (6) are all extended along the length direction of the plastic track (1). The plastic track mechanical is capable of changing the curvature radius of the bending part on the assembling site according to installation requirements so as to well solve the existing problems.

The invention relates to a preparation method of a drug-loaded bone repair stent for promoting ordered vascularization through 3D printing as well as a product and application of the drug-loaded bone repair stent for promoting ordered vascularization through 3D printing, two kinds of 3D printing ink are prepared, one kind of 3D printing ink is self-curing calcium phosphate bone cement ink with alpha-TCP as a main body; and the other medicine-carrying ink is prepared by adding a vascularization promoting growth factor into the ink. A double-nozzle 3D printing mode is adopted, the two kinds of ink are printed layer by layer according to model design, the path of the medicine-carrying ink is kept consistent in the radial direction, after printing is completed, standing is conducted for 24 h at the room temperature, the calcium phosphate bone cement is naturally solidified, and the medicine-carrying bone repair support promoting ordered vascularization is obtained. The calcium phosphate bone repair scaffold is used as a carrier, has good osteoconductivity, can promote bone tissue healing, has good mechanical properties, and has a certain bearing capacity.

The invention relates to a method for preparing a cement-based porous material comprising iron tailings and vitrified beads. The cement-based porous material comprises, by volume, 10 parts of cement slurry and 11-45 parts of foam, wherein the cement slurry comprises, by weight, 100 parts of ordinary Portland cement, 12-25 parts of sulphoaluminate cement, 30-65 parts of fly ash, 12-125 parts of the iron tailings, 4-12 parts of the vitrified beads and 70-124 parts of water. The method has the advantages that the iron tailings are used as one of main raw materials of the cement-based porous material, so that the production cost of the cement-based porous material is reduced, and the iron tailings are recycled comprehensively to achieve waste utilization and environmental protection effects.

The invention discloses a refrigerator, which comprises a box body and a shelf, wherein the box body is provided with a box container; a left side concave part is formed on the left side wall of the box container, and comprises a first left side concave part and a second left side concave part; the depth of the first left side concave part is less than the depth of the second left side concave part; a right side concave part is formed on the right side wall of the box container, and comprises a first right side concave part and a second right side concave part; the distance between the first left side concave part and the first right side concave part is L1; the distance between the left side wall and the right side wall is L2. A left side support part and a right side support part are arranged on the shelf; the left side support part is suitable for being supported in the first left side concave part, and the right side support part is suitable for being supported in the first right side concave part; the distance between the left side support part and the corresponding right side support part is L, wherein L is larger than L2 and is less than or equal to L1. According to the refrigerator provided by the invention, the shelf can be stably fixed on the box container, and is convenient to install and disassemble, the space utilization rate of the refrigerator is improved, and the inner part of the box container is more concise.

The invention relates to an explosion venting plate and a manufacturing method of the explosion venting plate. The explosion venting plate comprises a body layer, an explosion venting layer, an internally-arranged surrounding frame, an externally-arranged surrounding frame and a middle structure. A hole is formed in the body layer and is filled with the explosion venting layer. The internally-arranged surrounding frame is arranged on the periphery of the explosion venting layer and separates the explosion venting layer from the body layer. The externally-arranged surrounding frame is arranged on the edge around the periphery of the body layer. The middle structure is arranged between the body layer and the explosion venting layer and used for connecting the internally-arranged surrounding frame with the externally-arranged surrounding frame and supporting the internally-arranged surrounding frame. The space between the internally-arranged surrounding frame and the explosion venting layer is filled with flexible seam filling materials. The explosion venting plate has the explosion venting function, meanwhile has the bearing function, and can be used independently.

The invention provides a construction free formwork and a manufacturing method, belonging to the technical field of building materials, including inner steel wire mesh, outer steel wire mesh, thermal insulation core layer, cement column, outer plastering layer and anchor piece; thermal insulation core layer It is located between the inner steel wire mesh and the outer steel wire mesh; there is a pouring hole in the insulation core layer, the pouring hole is set along the vertical direction and runs through the insulation core layer, and the cement column is located in the pouring hole; the outer plastering layer is located on the outer steel wire The outer side of the net; the anchor piece runs through the insulation core layer and is respectively fixed on the inner steel wire mesh and the outer steel wire mesh. The non-dismantling formwork for buildings provided by the present invention can bear the load through the cement columns in the thermal insulation core layer, thereby improving the load-bearing capacity of the non-dismantling formwork for buildings. At the same time, the cement columns also improve the self-rigidity of the thermal insulation core layer, effectively Prevent distortion and deformation of the insulation core layer.

The invention discloses a prefabricated insulation composite wall panel and a manufacturing method thereof, and relates to the technical field of wall panel manufacture. The prefabricated insulation composite wall panel comprises a reinforcing mesh, a plurality of sleeves, a plurality of casing pipes and concrete, wherein the sleeves are arranged on the lower portion of the wall panel, the casingpipes are parallelly arranged along the length direction of the composite wall panel, the concrete is poured on the sleeves, the reinforcing mesh and the peripheries of the casing pipes, the sleeves and the casing pipes are arranged at intervals, the insides of the casing pipes are filled with insulation materials, and the reinforcing mesh is parallel to the length direction of the composite wallpanel. The prefabricated insulation composite wall panel is light in weight, realizes insulation, can be modularly constructed, has waterproof design and can effectively prevent water.

The invention discloses a grass-shaped lake benthic animal collector, which comprises a shell, a cutting board, a net pocket, a load-bearing cardboard and a double pull rope. The shell is fixed under the net pocket, the upper part of the shell is connected with the double pull rope, and the shell is installed inside Cutting board, the exterior of the shell is connected to the load-bearing card board; the cutting board can be used with double pull ropes to complete the cutting of surface sediments; the net bag can prevent the escape of benthic animals during the sample collection process, and can also be used for the initial screening of samples; load-bearing card The plate can determine the thickness of the surface sediment collected by the collector according to the scale line outside the casing; the double pull ropes are respectively connected with the casing and the cutting plate, and the descending and ascending operations of the collector are completed respectively. The grass-shaped lake benthos collector is easy to operate, can simultaneously collect submerged plants in grass-shaped lakes and benthic animals in surface sediments, and can improve the accuracy and efficiency of sampling.

The invention relates to the technical field of a hoisting system, and particularly relates to a keel type thread rack for a whole hot runner hoisting system. The keel type thread rack comprises a rack body, wherein a connecting piece and a thread jamming clamp are arranged on the thread rack body, and the thread rack body comprises a plurality of rod-like main beams; the connecting piece comprises a connecting plate; the thread jamming clamp comprises a thread clamp body which consists of a fixed frame, a mounting plate is arranged at the bottom of the fixed frame, a clamping slot is formed in the mounting plate, and fixed holes are formed in two sides of the clamping slot. According to the keel type thread rack, the main beam plays a certain role in supporting lines and pipelines and has certain bearing capability, and a power line, a temperature sensing line, an oil gas pipeline and a cooling pipeline provided by the whole hot runner system can be separately arranged so as to avoid mutual interference and play safety and protection roles; in addition, the thread jamming clamp is connected with the main beam by adopting a manner of butt-joining the two thread clamp bodies, the installation and regulation are convenient and fast, the rapid installation can be realized, and the design and installation and the follow-up maintenance cost can be reduced.

A locking bottom stud with an automatic leveling function is mainly composed of a bottom stud body base, a fixing rack A, an eccentric wheel A, a transmission column A, a crank A, a stud body, a spring, a base, a fixing rack B, an eccentric wheel B, a transmission column B, a crank B and a rubber blanket. The locking bottom stud has the advantages that the height of the bottom stud can be automatically adjusted, a locking function can be automatically achieved, rigid connection is adopted, the bearing capacity is achieved, the locking bottom stud is simple in structure and convenient to mount and use, and stable operation of a household appliance can be effectively ensured.

The invention relates to a rice straw brick preparation method as well as rice straw bricks and application of the rice straw bricks. According to the invention, rice straw is pre-treated through a NaOH solution with the mass fraction of 2%-5%, the rice straw brick preparation method is optimized from the five aspects of NaOH solution soaking concentration, temperature, soaking time, forming pressure and natural curing time, and optimal preparation conditions and method are established. The preparation method is simple and convenient, the sizes of formed products are changed slightly, and the formed products are low in density and excellent in anticorrosion effect and thermal performance. Through the preparation method, the rice straw is prepared into the straw bricks, and the straw bricks are used as building wall materials, so that improvement on thermal insulation performance of a building is facilitated, application and popularization of the straw bricks for building thermal insulation are facilitated, and the straw bricks are particularly suitable for thermal insulation of agricultural buildings.

The invention discloses a damping type overall lifting construction platform. Strengthening columns and a bearing platform are connected by a damping mechanism, the bearing platform is arranged to bean arch-bridge-shaped support frame, and support columns are arranged in through holes at the bottom of the bearing platform in the longitudinal direction, adjacent support columns are connected through triangular steel frames and the side wall of the support frame, and the bottoms of the support columns are provided with support legs; the strengthening columns are arranged to be of a cylinder structure, pedals are arranged on the side walls of the strengthening columns, and two support plates are arranged on the upper surfaces of the strengthening columns outwards along the peripheral edge, and the support plates are arranged on the surfaces of the strengthening columns by rotating shafts in an embedded mode and are rotatably opened and closed along the rotating shafts; and damping mechanism consists of an upper telescopic sleeve and a lower telescopic sleeve, and the upper telescopic sleeve and lower telescopic sleeve are connected by a spring. The bearing platform has bearing capacity, the supporting legs improves the stability of a building pile, and the impact resistance is strong; the strengthening columns act as an auxiliary support, and the support plates and pedals are used for human climbing; and the damping mechanism is used for reducing vibration, thereby improving the safety.

A terahertz twisted waveguide based on a diaphragm polarization converter, including a first straight waveguide, a polarization converter, a filling medium, a choke slot, a short circuit, a second straight waveguide, a coupling probe and a circular waveguide; the first The straight waveguide is connected to one port of the polarization converter, the other port of the polarization converter is connected to one port of the circular waveguide, a short circuit is built on the other port of the circular waveguide, and the second straight waveguide is connected to the short circuit through a coupling probe. Connection; the circular waveguide is disconnected, a choke slot is constructed at the disconnection, and the filling medium is filled in the choke slot. The invention also provides a realization method of the terahertz twisted waveguide. The present invention can realize arbitrary angle twisting, effectively solves the problems of difficult interconnection of non-parallel structures in existing terahertz systems, and heavy loads of terahertz communication or radar mechanisms, and enhances the practicability of terahertz communication or radar systems.

The invention discloses a car engine inner support in the technical field of car engine accessories. The car engine inner support comprises a main connecting plate, screws, square frames and the like.The car engine inner support has the advantages the main connecting plate can be connected with a car body beam only by rotating the square frames to rotate the screws without other tools, and mounting convenience is achieved; each square frame can be rotated by the hand by a transverse rods and an X-shaped rod in the square frame, and the mounting convenience of the car engine inner support is further increased; vibration generation by an engine is transmitted to a damping cylinder through a mounting panel, the damping cylinder can consume part of vibration force through curved-surface vibration, the rest of vibration force is transmitted to a main damping pad through the lower end of the damping cylinder, the main damping pad consumes the vibration force through vibration again, the residual vibration force can be effectively transmitted to an arc-shaped damping pad due to the fact that the contact area between the arc-shaped damping pad and the main damping pad is large, the vibration force is consumed again through the vibration of the arc-shaped damping pad, and the quietness degree in a cab is increased effectively.