111results about How to "Increase load strength" patented technology

A sandwich composite panel (2) provides a load bearing structural member as well as noise protection, especially for a helicopter fuselage cell or cabin. The panel (2) includes an inner honey-comb core (6) made up of hollow cell bodies (4) extending trans-versely and sandwiched between first and second cover skins (8, 10) of fiber composite material. In order to achieve a low weight, a simple manufacturing, and good noise absorption, at least one of the cover skins (8) adapted to face the main source of noise (H) is made up of an open mesh fiber composite net (12) and a flexible cover film (16) applied on the outer surface of this fiber composite net (12). The net (12) has a smaller mesh size than the inner cross-sectional size of the hollow cell bodies (4).

An improved non-planar composite structural panel and method of fabrication are provided. Embodiments of the non-planar composite panel comprise: a first sheet including a first outer surface and a first inner surface; a second sheet spaced apart from the first sheet and including a second outer surface and a second inner surface; a stiffening core element disposed between the first and second sheets and defining a plurality of cells; a rigid foam reinforcing material disposed in the cells; and a mirrored third sheet adhered to the first outer surface of the first concave sheet.

The invention discloses a carbon-based composite material for arsenic and cadmium polluted soil remediation and application of the composite material. The carbon-based composite material disclosed by the invention is prepared by the steps: taking crop straws as raw materials, and charring to prepare charcoal; mixing with an iron salt solution according to a certain solid-liquid ratio, regulating the pH value of the solution in the process so as to realize coprecipitation of the two materials; performing pyrolysis, thereby obtaining the carbon-based composite material. The carbon-based composite material prepared in the invention is applied to arsenic and cadmium compound polluted soil, and methods such as turning over, watering and the like are combined, so that the content of arsenic and cadmium in an effective state can be obviously reduced; therefore, the arsenic and cadmium in the soil can be transferred to a direction with low biotoxicity and migration, the physicochemical properties of the soil can be improved to a certain degree, and the composite material is suitable to be applied to multiple types of soil. The arsenic and cadmium ions in a water body can be effectively removed, the preparation process is simple in operating steps, and the material is wide in source, low in production cost and environment-friendly.

A load-detecting device includes a supporting member, a load transfer member, a load sensor, and a load sensor supporting member. The load transfer member is supported by the supporting member and includes an elastic displacement area in which an elastic displacement is generated upon receiving a force from a predetermined direction. The load sensor contacts the elastic displacement area of the load transfer member. The load sensor detects a load based on the elastic displacement. The load sensor supporting member supports the load sensor and is connected to the supporting member. The load transfer member, the load sensor, and the load sensor supporting member are provided in this order along the predetermined direction. The supporting member is provided so as not to be in contact with the load sensor. The load transfer member has a lower stiffness in the predetermined direction than the load sensor.

The invention relates to the technical field of composite artificial boards and discloses fireproof marine-grade plywood. The fireproof marine-grade plywood comprises a flame-retardant veneer, high-strength glass fiber meshes, flame-retardant solid wood core veneers and a flame-retardant bottom board, wherein the flame-retardant veneer is arranged on the uppermost layer, the flame-retardant bottom board is arranged on the bottommost layer, and one layer of high-strength glass fiber mesh, the three layers of flame-retardant solid wood core veneers and one layer of high-strength glass fiber mesh are sequentially arranged between the flame-retardant veneer and the flame-retardant bottom board from top to bottom; the layers are bonded through modified macromolecular WBP flame-retardant and waterproof glue. The fireproof marine-grade plywood has the functions of being resistant to fire, inflaming, water, moisture, insects and ants and absorbing sounds and shock, saves the energy, protects the environment and is high in strength.

In a method to seal/lock a strap (44) including a metal strap (44d) which is fitted at least in the zone of seal with a protective layer (44c), the packing strap is laid in the form of a loop around the package and is held, in particular, clamped, in place before and/or during production of the seal. The seal is implemented on the packing strap (44) by resistance welding and the protective layer (44c) of the packing strap (44) shall be pierced before and/or during production of the seal.

Synthetic laminate structures and mounting assemblies for use therewith. Multi-sectional clip structures are provided for use individually or jointly in securing synthetic trim mountings.

The strength of the whole OLED is increased by proposing a new method of fixing OLED panels. To address the problem, an OLED element is formed on a substrate, and a sealing substrate of a structure by which the substrate is sealed is fixed to a lower metallic frame via an elastic sheet. Silicon resin is preferably used as the sheet, and use of a sheet having a heat diffusion function based on radiation is more desirable.

A construction member includes a composite material offering strength and functionality. Embodiments of the present invention include a thermoplastic composite for use in applications such as decking, exterior siding, seating and furniture. In one embodiment, a structural member includes a glass-reinforced PVC core surrounded by a thermoplastic layer that further includes a thermoplastic with elastomer thermofoamed layer as a exterior layer. All three components can be extruded and bond together to form a composite material that offers appropriate structural strength with resistance to heating from sunlight.

The invention discloses a treatment method for microcystin in tap water. Supported TiO2/FeOOH serves as a catalyst for catalyzing an ozonation reaction to remove microcystin in tap water. According to the treatment method for microcystin in tap water, supported TiO2/FeOOH serves as the catalyst for catalyzing the ozonation reaction of tap water, microcystin in tap water can be efficiently removed, the harm of microcystin in tap water to human health can be eliminated, and the safety of tap water can be guaranteed.

The invention discloses a method for mixing soil stabilizer stabilized soil, which comprises completely stirring quicklime and pure soil, and curing to serve as lime soil; diluting the lime soil with the raw slurry of a soil stabilizer to obtain a solution, and completely stirring; adding cement into the diluted soil stabilizer solution, and completely stirring; and compacting the soil stabilizer stabilized soil. By using quicklime and adding cement before compacting the soil stabilizer stabilized soil, the inventive method for mixing the soil stabilizer stabilized soil gives full play to the performance of the soil stabilizer, improves the load strength and water resistance of a soil stabilizer stabilized soil layer, has simple technology, and saves mechanical cost.

The invention relates to an amphibious individual soldier carrying backpack. The amphibious individual soldier carrying backpack comprises a main backpack, an auxiliary backpack, a folding air bag and a fixing device. The main backpack comprises a main backpack body and a main backpack cover. The folding air bag is of an annular structure. The fixing device comprises a cushion plate, short-side fastening belts sewn and fixed to the front side and the rear side of the cushion plate in the width direction, and long-side fastening belts sewn and fixed to the left end and the right end of the cushion plate in the length direction. A rescue and camping dual-purpose air bag is provided with multiple hanging rings or hanging holes. A high-pressure air cylinder for inflating an inflatable bag body through a one-way air tap is placed in an auxiliary side backpack body. The amphibious individual soldier carrying backpack achieves the amphibious carrying functions that the backpack can be dragged in a floating mode on the waterside and can be carried on the back by an individual soldier or lifted by two soldiers on land, achieves the protection functions of waterproofness, dampproofness and the like, and meets the requirements of infantries in the army of China for carrying and protection of arms and ammunition in the swimming-in-battle-gear and beach-head processes.

The invention discloses a method for treating nickel-containing wastewater by using a composite adsorbent. The method comprises the following steps: mixing the nickel-containing wastewater with the composite adsorbent, carrying out oscillating at room temperature, carrying out solid-liquid separation to obtain preliminarily-treated wastewater, adjusting the pH value of the preliminarily-treated wastewater to 4-5, adding sodium hypochlorite, carrying out a stirring reaction, adding the composite adsorbent, conducting oscillating at room temperature, and carrying out solid-liquid separation to obtain secondarily-treated wastewater; adjusting the pH value of the secondarily-treated wastewater to 10.5-11.5, performing standing for precipitation, taking supernatant liquid, adding polyaluminum chloride, conducting stirring, adding polyacrylamide, performing stirring and standing, and carrying out solid-liquid separation to obtain tertiarily-treated wastewater; and mixing the tertiarily-treated wastewater with the composite adsorbent, conducting oscillating at room temperature, and carrying out solid-liquid separation, wherein the composite adsorbent is prepared by uniformly mixing modified sepiolite, acid-modified fly ash and cross-linked chitosan. The method for treating the nickel-containing wastewater by using the composite adsorbent provided by the invention is simple in process,has a better treatment effect on various forms of nickel in a water body, and is high in nickel removal rate.

The invention discloses a 3D building printing head. The 3D building printing head comprises a hollow printing head body, a feeding device and a nozzle which is mounted at the bottom of the printing head body and is in butt joint with a hollow cavity of the printing head body. At least two sets of bearing assemblies arranged in an up-and-down staggered manner are mounted on the outer wall of the printing head body in a sleeving manner. The outer wall of each bearing assembly is correspondingly connected with a printing head connecting frame used for being connected with printing equipment. Each printing head connecting frame and the other printing head connecting frame adjacent to the printing head connecting frame can relatively rotate with the printing head body as the axis, and the intersection angle of the two printing head connecting frames can be changed. Meanwhile, the invention provides a mobile 3D building printing device. The 3D building printing head and the mobile 3D building printing device can be conveniently moved to a construction site for directly printing a 3D building, and movement, assembly and debugging are convenient. The loading force and stability of combined mechanical arms are increased, the feed amount is larger, the movement speed is high, the repeated locating precision is high, and the printing speed and printing quality are improved; and the mechanical arms can be longer, and larger buildings can be printed out.

A bicycle wheel rim design with high safety margin and optimized strength-to-weight is described. The rim provides a tire bead supporting platform which defines a circumferential bead seat with minimum bead seat diameter equal to the standard tire bead diameter defined for a particular size of tire. Each tire bead seat defined along the rim circumference is comprised by a pair of circumferential ridges. The circumferential ridges comprise the external sidewalls of the rim and do not include tire bead hook features, and are of optimized sidewall thickness to add load strength and lateral stiffness, and resist crushing from impact. The interior ridges are increased diameter towards the medial plane of the rim to a value greater than the specified tire bead diameter. Given this geometry, the left lateral and right lateral of each tire bead is safely constrained within the defined bead seats under a wide variety of uses.

The invention relates to a portable industrial robot based on multi-dimensional sensor real-time data feedback fusion. The portable industrial robot comprises an industrial robot and a multi-dimensional sensor real-time feedback control system. The portable industrial robot has the beneficial effects of being based on multi-dimensional sensor real-time feedback and data fusion, the structure and the motion error compensation are completed, and accurate control which does not depend on the structure precision of the industrial robot is achieved; an industrial robot and a sensor real-time feedback control system generate accurate real-time control data through the real-time feedback data and data fusion technology to form a whole set of system, various working conditions can be realized through the single robot, the working conditions of the industrial robot can be adjusted in real time, and the working condition precision is ensured.

The invention discloses a rotary tillage, ridging and mulching combined operation machine for slope cropland. The operation machine includes a rotary tillage machine; a gear box assembly and a hangingrack assembly are arranged on a frame of the rotary tillage machine; the power output end of the gear box assembly drives a cutter-shaft assembly of the rotary tillage machine; a ridging device is arranged on the rear end of the rotary tillage machine and provided with multiple sets of ridging plates; the operation machine also includes a cantilever, a diagonal draw bar and a mulching frame; thecantilever is arranged on the rotary tillage machine and extends to the rear part of the rotary tillage machine; the two ends of the diagonal draw bar are respectively in hinged joint with the hangingrack assembly and the cantilever; the front and rear ends of the mulching frame are rotatably connected to the cantilever; film rollers are arranged on the front end of the mulching frame; hole-sowing devices, film-pressing wheels and soil-covering disc shovels are successively arranged on the rear end of the mulching frame; and the film rollers, the film-pressing wheels and the soil-covering disc shovels are in front and back correspondence with each set of the ridging plates. The operation machine has a profile modeling function; and the mulching frame can be automatically adjusted according to the ground surface, so that operational requirements of cultivated land with different types can be met.