455results about How to "Full strength" patented technology

An exercise machine ergonomic handle system for providing hand-holds for the performance of exercises with reduced flexion and/or extension of the hand and wrist and reduced ulnar and/or radial deviation so as to reduce injury and allow application of full strength to the exercise machine. The exercise machine ergonomic handle system generally includes a longitudinally extending frame, a carriage that moves upon a first longitudinal portion of the frame, and at least one pair of ergonomic handles positioned on a second longitudinal portion of the frame. The ergonomic handles rotate about an axis to prevent flexion and/or extension, and can be positioned at a width and/or angle that reduces ulnar and/or radial deviation.

The invention discloses a preparing method of a bamboo fiber winding composite tube. The existing polyvinyl chloride tubes, polyethylene tubes, glass steel tubes and glass steel sand tubes consume a great amount of petroleum resources, and pollute environments. The invention provides the preparing method of the bamboo fiber winding composite tube. The preparing method comprises the following steps: preparing an inner liner layer; pre-treating bamboo fiber, connecting the bamboo fiber into a continuous bamboo fiber strip by a method of liner cloth adhesion or sewing or weaving, and rolling the bamboo fiber strip into a roll; preparing a reinforcing layer, installing the coiled bamboo fiber strip on a winding machine to unwind, coating resin on the bamboo fiber strip through a resin tank, winding the bamboo fiber strip on an inner liner layer of a straight tube mould more than two circles, and forming the reinforcing layer after curing; preparing an outer protective layer. The preparing method uses the winding machine to perform the machine production, so the production efficiency is high, the compactness of the bamboo fiber is enhanced, and the strength of the product is enhanced.

An articulated anchor and a prestress tensioning method of high strength fibre composite sheet relate to an anchor holder used to perform prestress tensioning to the high strength fibre composite material of the enhancement or reinforcement engineering structure and a method thereof. The articulated anchor of the invention comprises an anchor head and a compression and locking device, and the articulated anchor is characterized in that the anchor head contains a raised head anchor and a concave block. The method of the invention is that the articulated anchor is used to clamp and anchor the two ends of FRP sheet, a jack is used to apply a tension on the concave block and the concave block pushes the raised head anchor to perform prestress tensioning to FRP sheet. The articulated anchor of the invention has simple structure, convenient installation and low cost; and the method of the invention is simple, intuitive and practical, and can ensure the tensioning uniformity of FRP sheet, made full use of the intensity of FRP sheet and effectively increase the bearing capacity of the engineering structure. The articulated anchor of the invention can be widely used to enhance or reinforce the large engineering structures such as bridges or buildings and especially to perform external prestressing reinforcement to longspan concrete beams, longspan concrete slabs and the like.

To provide a porous-film layered product which has excellent porousness, has flexibility, and is excellent in handleability and formability; and a process for producing the layered product. [MEANS FOR SOLVING PROBLEMS] The porous-film layered product comprises a base and, superposed on at least one side thereof, a porous layer having many fine interconnecting pores having an average pore diameter of 0.01-10 [mu]m, and is characterized by suffering no interfacial separation between the base and the porous layer when examined in a tape peeling test by the following method. Tape peeling test A 24 mm-wide masking tape [Film Masking Tape No. 603(#25)] manufactured by Teraoka Seisakusho Co., Ltd. is applied to the surface of the porous layer of the porous-film layered product and press-bonded thereto with a roller having a diameter of 30 mm and a load of 200 gf. Thereafter, this sample is subjected to a T-peel test with a tensile tester at a peeling rate of 50 mm/min.

The invention discloses a folding lightweight landing mechanism and relates to the landing mechanism of a lander. The invention aims at solving the problems of large volume, complexity in a buffer structure and high cost of the existing landing mechanism of the lander during the launching process. The folding lightweight landing mechanism comprises a triangular space truss type support, a buffer component, an instrument platform and three landing legs, wherein the triangular space truss type support comprises a triangular support, a star-shaped support, a space truss connecting rod component, three groups of main landing leg connecting components and three groups of auxiliary landing leg connecting components, the triangular support and the star-shaped support are arranged at the upper part and the lower part, the triangular support is connected with the star-shaped support through the connecting rod component, the three landing legs are distributed and connected on the periphery of the triangular space truss type support through the main landing leg connecting components and the auxiliary landing leg connecting components, and the triangular space truss type support is connected with the instrument platform through the buffer component. The folding lightweight landing mechanism is applicable to lander exploration activities for asteroids, comets, the moon, the Mars and the like.

The invention is a variable section conversion node for profiled steel concrete framework-steel support structure, interconnecting in-pillar profiled steel, in-beam profiled steel, steel support, in-pillar reinforced concrete and in-beam reinforced concrete and pouring then into an organic whole, where the steel support is orthogonally connected with in-pillar an in-beam profiled steel flange plates by section conversion, the web of the in-beam profiled steel in the node connection position is converted into heightening variable section web and the top surface of the heightening variable section web is welded with widening variable section upper wing plate, the bottom surface of the heightening variable section web is welded with widening variable section lower wing plate; the shape of the steel support in the node connecting position is converted into structure of variable section node conversion region and two flange plates of the steel support in variable section conversion region are orthogonally connected with the in-pillar and in-beam profiled steel respectively. And the invention intensifies fore bearing performance of node regions of the profiled steel concrete framework-steel support structure and ability of cooperating of profiled steel and reinforced concrete.

The invention discloses a carbon fiber fabric reinforced poplar laminated veneer lumber structural element and a machining method thereof. The structural element is characterized in that the structural element is prepared by alternately laminating and bonding poplar rotary slices (1) and carbon fiber fabric (2), and the structural element fully exerts the advantages of carbon fiber fabric and Italian poplar laminated veneer lumber, greatly improves the mechanical property of an Italian poplar material and the added value and the technological content of poplar production, and greatly broadens the application of field of the Italian poplar through the control of the process flow. Moreover, the structural element can avoid the problems of common anchor failure, peeling breakage and the like when the carbon fiber fabric is adhered outside and exerts the strength of the carbon fiber fabric more fully, so that the structural element can be manufactured into a large-scale lumber structural element and solves the problem that the large-scale lumber structural element cannot be produced currently.

Disclosed is a microporous laminated membrane including a nonwoven-fabric substrate and a microporous membrane. The microporous membrane is disposed on at least one side of the nonwoven-fabric substrate. The microporous membrane includes a multiplicity of interconnecting micropores. The micropores have an average pore diameter of from 0.01 to 10 μm. The microporous membrane has an arithmetic mean surface roughness Sa of 0.5 μm or less. The microporous laminated membrane has an air permeability of from 0.5 to 30 seconds. The microporous laminated membrane has a tensile strength of 4.0 N/15 mm or more. The microporous laminated membrane does not undergo interfacial peeling between the substrate and the microporous membrane as a result of a tape peel test.

The invention discloses a product supply chain optimization-based network community group buying system and an implementation method thereof. The system comprises a community management unit, a supply chain management unit and a network shopping unit, wherein the community management unit is used for establishing and maintaining common consumer groups and initiating the establishment and the maintenance of product supply chains, group buying calling and on-line consulting related to the maintained product supply chains; the supply chain management unit is used for fuzzily matching the supply chains, optimizing the nodes of the supply chains, metering and inquiring; and the network shopping unit is used for buying all complete supply chains on line and establishing visual order process management for the nodes of the supply chains, which include buyers. By the system and the method, marketing channels can be established for more network products by the product supply chains, and the supply side and the demand side of the products can be quickly, directly and efficiently connected by a consumer intermediary, namely the community, so that the circulation cost of product providers is saved, and reliable and substantial product service can be provided for terminal consumers.

The invention discloses a preparation method of a tough graphene/cellulose composite heat-conductive and electro-conductive film. The preparation method of the tough graphene/cellulose composite heat-conductive and electro-conductive film comprises the following steps: firstly, dispersing the wood pulp into an aqueous solution to peel the wood pulp into single nano diameter single fibrous bundles under the action of liquid shear force; diluting the single fibrous bundles with deionized water and obtaining the low concentration cellulose aqueous solution through treating by a high-speed shearing machine for a certain period of time; then dispersing the industrial graphene nanosheets evenly into the aqueous solution containing the dispersant through ultrasonic treatment; then dripping the prepared cellulose aqueous solution gradually into the graphene dispersion; and preparing the graphene/cellulose composite film through ultrasonic mixing, suction filtration, drying and other processes. The obtained film has good flexibility, thermal conductivity and electrical conductivity, and the mechanical, thermal and electrical properties of the film can be further improved through hot pressing treatment. The preparation method of the tough graphene/cellulose composite heat-conductive and electro-conductive film has the advantages of simple process, low cost, green environment protection and wide application value in the field of functional composite materials.

The invention provides a plug body of a beverage container. By engaging a lock button (18) to a button engaging member (91), a cover body (12) is closed. The lock button is disposed on a plug main body and can release the closed state of the cover body by a force applied externally. The button engaging member is disposed on the cover body; and a movable lock member (20) that inhibits the operation of the lock button is installed close to the lock button. Besides, when the cover body is open, the button engaging member can make the cover body in a closed state through a temporary saving operation even when the movable lock member is in a state of inhibiting the operation of the button. Therefore, the cover body can be closed even in a lock state, by virtue of the temporary saving operation of the button engaging member, even if the lock button is in a locked state while closing the cover body.

A net dome with V shape radial sling includes stay bar, radial sling, hoop stress sling, upper net structure and steel tube. The top end of the stay bar is connected to the node of the upper net structure; the bottom end is connected to the steel tube. Radial slings cross along the loop stress sling in a V shape, with the crossing point connected to the bottom end of the stay bar, the other two ends connected to different nodes of the upper net structure. The loop stress sling threads through the steel tube and flexible connect to the stay bar.

The invention belongs to the technical field of building structures and relates to a bolt-assembled double-layer aluminum alloy latticed shell structure. The bolt-assembled double-layer aluminum alloy latticed shell structure comprises a plurality of H-type aluminum alloy bars. The H-type aluminum alloy bars on the upper layer are connected with the upper end of a vertical aluminum alloy circular web member through a bolt assembly joint on the upper layer, and the H-type aluminum alloy bars on the lower layer are connected with the lower end of the vertical aluminum alloy circular web member through a bolt assembly joint on the lower layer. Each bolt assembly joint comprises an upper cover plate, a lower cover plate, a center ribbed tube and a ribbed plate, wherein the ribbed plate is connected the center ribbed tube, and the center ribbed tube is connected with the upper cover plate and the lower cover plate through bolts. The upper flanges of the H-type aluminum alloy bars are connected with the upper cover plates of the bolt assembly joints through bolts, and the lower flanges of the H-type aluminum alloy bars are connected with the lower cover plates of the bolt assembly joints through bolts. Webs of the H-type aluminum alloy bars are connected with the ribbed plates of the bolt assembly joints through bolts. In this way, the bolt-assembled double-layer aluminum alloy latticed shell structure is formed. According to the bolt-assembled double-layer aluminum alloy latticed shell structure, the overall stability of a structural system and the utilization ratio of materials can be improved.

The invention provides an Al-Mg-Si system alloy plate and a manufacturing method thereof. The alloy plate which has formation performances and great strengths will not suffer bad appearance after being coated. The aluminum alloy plate comprises 0.4-1.5% of Si, 0.4-1.0% of Mg, 0.1-10.%of Fe, 0.1-0.5% of Mn and the balance being the Aluminum and inevitable foreign matters. The aluminum alloy plate is manufactured in the steps of performing casting and homogenizing heat processing on aluminum alloys with a starting temperature ranging from 350 degrees to 450 degrees, and performing hot rolling, cold rolling, solid solution and quenching processing with the finishing temperature reaching more than (445-3r) degrees relative to the rolling reduction ratio r% of the final Gate. Furthermore, the area rate is more than 0.4% and the number density is over 1350 pieces/mm2 in the AL-mN-Fe-(Si) system intermetallic compound having a more than 2.0-mu m diameter and a plate thickness direction central part of the cross section along the rolling direction.

The invention relates to a non-autoclave-curing dry-mix active powder concrete and a preparation method thereof. The active powder concrete is prepared by proportionally mixing a dry material and water. The dry material is prepared by homogenizing the following components in parts by mass: 1 part of cementing material, 0.8-1.3 parts of powder additive, 0.01-0.2 part of aggregate and 0.01-0.25 part of steel fiber. The proportion of the dry material to the water is 1:(0.1-0.3). Under normal-temperature curing conditions, the compression strength of the active powder concrete material can reach 130 MPa above, the folding strength can reach 19 MPa above, and the elastic modulus can reach 48 GPa above. Field casting, controllable quality and environmental protection of the powder concrete are successfully implemented on the basis of the concept on dry-mix material preparation; and the prepared non-autoclave-curing active powder concrete can be used in the fields of high-speed railway cable trough cover plates, sidewalk plates, bridge floor, municipal well covers, repair and reinforcement, and the like.

Provided is a pre-tensioned prestressed composite beam, which is an I-shaped beam composed of H-shaped steel and concrete, the web plate of the H-shaped steel is provided with trapezoidal holes (14) at intervals, the upper flange and the lower flange of the H-shaped steel are welded with shearing nails, the outer periphery of the lower flange is enclosed with concrete to form a steel-concrete lower flange (4), and the inside of the steel-concrete lower flange is embedded with prestressed steel twisted wire by pretensioning method. The manufacturing method of the composite beam is that: a steel plate is cut into two tooth-shaped plates along tooth-shaped line to be respectively as the trapezoidal hole plates of the H-shaped steel flange, the trapezoidal hole plates are welded with steel plates to form the web plate, the web plate is welded with the upper flange and the lower flange to form the H-shaped steel (1) having trapezoidal holes, the H-shaped steel is put on a base surface with the lower flange downward, the two sides of the lower flange are provided with side molds, a stirrup (7) is arranged and steel twisted wires (3) are longitudinally fastened between the two side molds, the steel twisted wire is tensioned to tensioning state, the concrete for enclosing the H-shaped lower flange is poured and tamped between the two side molds, the steel-concrete lower flange (4) is formed after demolding, and the steel twisted wire at tensioning state is loosened after the concrete reached to predetermined strength and is cut off at predetermined position. The invention is suitable for beams of buildings.

The invention discloses a rigid grid and pile composite foundation and a method applied to reinforcing soft soil foundation. The rigid grid and pile composite foundation comprises a precast pile or a cast-in-situ pile, a rigid grid structure, a tensioning net, tensioning ribs and a transitional underlayer; the precast pile or the cast-in-situ pile drives to a relatively hard ground layer from a foundation surface layer; the rigid grid structure is fixedly connected with the precast pile; the grid structure is paved with the tensioning net; the tensioning net is provided with the transitional underlayer; the transitional underlayer is tightly contacted with the foundation surface, and the thickness of the transitional underlayer is between 0.6 and 1.5 meters; and the transitional underlayer is sandy clay, gravel soil or plain concrete with crude particles. The invention organically combines the rigid grid and the pile structure, the transitional underlayer and a soft ground layer to construct a composite foundation, transfers the load to a deep layer soil body through the grid structure and a pile, can give a full play to the strength and the deformation performance of the deep layer soil body, thereby effectively improving the foundation strength and the deformation performance, and having good reinforcing effect.

The invention discloses a connecting structure for an assembly type concrete shear wall edge member. vertical connecting reinforcing steel bar, which can be provided with an upset head, is reserved through a hole reserved in a large-diameter metal bellows, and is sleeved with a continuous spiral stirrup; then the vertical connecting reinforcing steel bar and the continuous spiral stirrup are commonly inserted into the large-diameter metal bellows; and fine aggregate concrete (or a grounding material) is poured into the metal bellows, so that the reliable connection of the edge member is realized. Due to reliable anchoring of the vertical connecting reinforcing steel bar, the optimization of the diameter, the quantity and the plane arrangement of the vertical connecting reinforcing steel bar, and the increase of the wet joint area on a splicing surface, full exertion of the bearing capacity of the shear wall is ensured; and multiple effective restrain for the subsequentlly-poured fine aggregate concrete (or the grouting material) is formed by the shear wall stirrup, a horizontal tie bar, the metal bellows and the continuous circular spiral stirrup, and thus the integral performance of the part is remarkably improved. According to the connecting method for the edge member, which is provided by the invention, the stress continuousness of the vertical steel reinforcing bar is ensured, the deformaility and the ductility performance of the vertical steel reinforcing bar are remarkably improved, and the shock resistance of the assembly type concrete shear wall is improved. Meanwhile, the method is simple in manufacturing process and facilitates the practice and application.

The invention discloses a hyperbolic double-layer reticulated shell steel structure cooling tower, which comprises a bottom latticed column, a transfer truss and an upper tower tube, wherein the transfer truss is arranged at the upper part of the bottom latticed column; and the upper tower tube is arranged at the upper part of the transfer truss and is of a double-layer reticulated shell structure. The cooling tower adopts a hyperbolic appearance, so that the thermotechnical performance is good. Compared with a concrete thin shell tower, the cooling tower provided by the invention has the advantages that the dead weight is light; the foundation treatment is simple; and the construction is convenient and fast. Compared with a single-layer reticulated shell steel tower, the cooling tower provided by the invention has the advantages that a structure component mainly receives pulling and pressing stress; the strength of materials is fully used; the steel consumption is low; the structure rigidity is high under the condition of the same steel consumption; through the reasonable connection node design, the component field assembly can be realized; the construction is simple; the speed is high; and the anti-seismic performance and the wind-resistant performance are good.

The present invention aims to provide a soft magnetic body composition and a manufacturing method thereof, by which molded products have enough strength and load to a mould during molding can be reduced, a magnetic core and a coil-type electronic component. The soft magnetic body composition has a plurality of soft magnetic alloy particles and a crystal boundary disposed among the soft magnetic alloy particles, the soft magnetic alloy particles have 1.5-8 mass% of Cr according to Cr conversion, 1.4-9 mass% of Si according to Si conversion, the balance being Fe, and the crystal boundary is provided with a Si-containing layer.

The invention discloses a method for reinforcing a concrete structure with embedded wet-bonded FRP strips and components thereof, comprising the following steps: (1) opening at least one groove on the surface of the concrete structure to be reinforced; (2) removing concrete impurities in the groove (3) pouring adhesive in the groove; (4) using adhesive to brush and fully infiltrate the FRP strip; (5) embedding the FRP strip to the groove; (6 ) After the FRP strip is fully embedded in the groove, remove excess adhesive on the groove; (7) Naturally maintain the concrete structure. The component is formed by bending or shearing the existing concrete structure with embedded wet-bonded FRP strips, including the existing concrete structure and at least one wet-bonded FRP strip. The invention uses embedded wet-bonded FRP strips to strengthen the concrete structure under bending or shearing. The wet-bonded FRP strips can adapt to the direction change requirements of FRP materials according to different reinforcement requirements, thereby limiting or slowing down the occurrence of peeling damage and improving the performance of FRP materials. The utilization rate and reinforcement effect.

The invention relates to a cable support node connecting device. The device comprises a cable body and a connecting device, wherein the connecting device comprises a node main plate, node upper plates, a vertical connecting plate, a node lower cover plate, clamping plates and a lug plate; the node upper plates, the vertical connecting plate and the node lower cover plate are connected into a cavity through a centre shaft; a bearing is sleeved on the centre shaft; both ends of the node main plate are provided with the node upper plates; both sides of the node lower cover plate are provided with the clamping plates; the cable body passes through the internal space of the connecting device and is tangent to the bearing; the centre shaft fixes the bearing and the cable body inside the connecting device through pre-tightening force of bolts; and the clamping plates are fixedly connected with the node upper plates through the bolts and are used for clamping or fixing the cable body passing through from the middle part. The node connecting device has the characteristics of simple structure, clear force transmission, reasonable stress, strong bearing capacity and the like. The device can fully exert material strength, effectively transmit steel cable force, reduce stress amplitudes, reduce prestress loss caused by friction and improve integral bearing capacity and stability of the structure.