43results about How to "Addressing Durability Issues" patented technology

The invention relates to a power battery packet, which comprises an anode plate (a bus-bar), a cathode plate (a bus-bar) and a plurality of batteries, wherein the batteries are cylindrical or rectangular or cubical monomer batteries, and are welded between the anode plate and the cathode plate in the way of connection in parallel. The invention is characterized in that an anode terminal is led out from one end of the anode plate through the flow ways such as current and the like, and a cathode terminal is led out from the other end of the cathode plate in the reverse direction. The invention can be designed in W / h according to the vehicle-mounted space, and can be conducted with the effective connection in parallel or in series of expansion and split W / h according to the requirements, which is suitable for the transformation of vehicles with various types and purposes. The invention realizes 5C discharge and charge, can charge in 15 minutes, and has 1700 times of service life and 80% DOD, which fundamentally solves the conflict of cost performance and safety and durability, and solves the technical problems that world battery industry manage to solve.

The invention discloses a high-precision dropper used for chemical industry. The high-precision dropper comprises a liquid accumulating cavity, wherein the interior of the liquid accumulating cavity is movably connected with an extrusion plate; the upper surface of the extrusion plate is fixedly connected with a connecting column which penetrates through the interior of the liquid accumulating cavity and extends toward the outside; one end of the connecting column is fixedly connected with a hand press plate; the bottom part of the hand press plate is fixedly connected with a spring; one end of the spring is fixedly connected with the upper surface of the liquid accumulating cavity; the bottom part of the liquid accumulating cavity is fixedly connected with an inclined plate; the positionof the center of the inclined plate is provided with a liquid accumulating opening; and the bottom end of the liquid accumulating opening is fixedly connected with a straw. The high-precision dropperprovided by the invention has the following advantages: the effects of liquid suction and liquid discharging through upward-and-downward movement in the liquid accumulating cavity are achieved; the drive power for the extrusion plate to continuously move up is reached; the effect of liquid suction is improved; the action of fixing the straw is reached; the precision of the dropper can be effectively reinforced; the problem of incapability of reaching the liquid accumulating cavity for the extrusion plate due to the height of the spring can be effectively reduced; and the problems of durabilityand precision of the dropper are effectively solved.

The invention discloses a boat stern driving system and a hydraulic clutch. The boat stern driving system comprises an engine arranged in an engine cabin of the boat stern, a hydraulic clutch connected with the power output end of the engine, and a stern connected with the output end of the hydraulic clutch; a power input shaft of the hydraulic clutch is connected with a power output shaft of the engine; an output shaft of the hydraulic clutch is connected with the stern; the hydraulic clutch comprises a connecting part which is used for connecting the output end of the engine, a power input shaft which is positioned on one side, far from the engine, of the connecting part and connected with the power output shaft of the engine through the connecting part, a forward gear clutch arranged on the power input shaft, a reverse clutch which is arranged on one side, far from the engine, of the connecting part, a hydraulic shift component and an output shaft. The boat stern driving system and the hydraulic clutch are low in manufacture cost, and are convenient to maintain and assemble.

The invention discloses a preparation method and application of an oil-water separation membrane based on an oxime urethane bond, and belongs to the field of material preparation. The preparation method of the oil-water separation membrane based on the oxime urethane bond of the present invention takes the synthesis of the compound containing the oxime urethane bond and the polyvinylidene fluoride as the solute, and the spinning solution with N,N-dimethylformamide as the solvent is passed through electrostatic The nanofiber oil-water separation membrane was prepared by spinning. The different contents of compounds containing oxime urethane bonds and polyvinylidene fluoride can control the fiber structure of the nanofibers and the size under the microscopic morphology, and because the oil-water separation membrane has pores It can be used for the separation of organic solvent and water because of its characteristics and hydrophobicity; the reaction conditions of the invention are mild, the synthesis process is simple, the energy consumption is small, and the post-treatment is simple and green. The invention solves the problems that the nanofiber material consumes a lot of energy during the preparation process and cannot be prepared on a large scale.

The invention relates to a cloth processing method, in particular to a method for forming a grid cloth by folding. Grid patterns can be formed by folding and sewing up a whole cloth, so the toughness of a textile can be enhanced greatly, thereby being used for manufacturing products such as bags and the like. By adopting the folding mode, the formed interlaced grid pattern has strong third dimension, and suture joints can be hidden to achieve good appearance; and the grid cloth is thin in thickness, light in weight and is better in product texture compared with leather, because a hot melt adhesive tape is not required in the forming process. In the grid pattern forming process, the steps of cutting the cloth into small square pieces and adhering the small square pieces are not required, thus greatly reducing the processing steps, being environment-friendly and ecological, maintaining the original cloth texture and solving the problems of strength and duration when the cloth is used for manufacturing bags.

The invention relates to a preparation method and application of nano-particle functionalized artificial spider silk. The preparation method comprises the steps that nascent artificial spider silk is taken as a template, nano-particles are prepared in situ through chemical reaction, and nano-functionalization of spider silk is realized; specifically, recombined spider silk protein nascent fibers are soaked in an ion solution, and nucleation sites of the nano-particles are formed through ions in combination with protein molecular chains in the nascent fibers in advance; and the artificial spider silk is soaked by adopting a composite ion solution, and in-situ synthesis is carried out on the nano-particles which are uniformly dispersed and uniform in particle size in the artificial spider silk. The preparation method is simple and convenient, the produced composite fiber contains nano-particles which are small in particle size and uniformly dispersed, the mechanical property of the fiber can be further improved through nano functionalization, and the toughness of the fiber exceeds that of natural spider traction fibers; and meanwhile, after multiple times of water washing and drying, the functional properties of the composite fiber are almost not affected, and different kinds of nano-particles can be prepared in the fiber, so that the requirements of people on fiber materials in different scenes are met.

A ridge-shaped combined building structure comprises stand columns, a cross beam, cant beams, eave assemblies, ridge assemblies, triangular tie pieces, purlins, tiles, an awning and the like. The novel combined steel structure building is created by integrating metal material science, architectural mechanics and plastic technologies and has the following advantages: the structure is firm and safeto use; the structure is free of welding and rapid and convenient to mount; the structure is detachable and recyclable; fixed assets can be changed into movable assets by position change; the structure occupies small space and is convenient to storage and transport after dismounting; the structure is suitable for standard and industrial production; the span is 2-7.5 m and the length can be increased; the structure is widely applied to temporary or permanent warehouses, garages, tents, pergolas, solar greenhouses, breeding greenhouses and the like.

The invention discloses a counterweight forklift with automatic counterweight, which comprises a hydraulic self-driven counterweight balance system, a wing-type balance semi-independent damping device, a lateral fine-tuning automatic balance system and a forklift main chassis frame system. The invention belongs to the technical field of handling forklifts, and specifically refers to a counterweight forklift with automatic balance weight and its use method; the invention uses a hydraulic self-driven counterweight balance system and a lateral fine-tuning automatic balance system to lift or lower When carrying goods, the center of gravity of the forklift is self-adaptively corrected, which greatly reduces the possibility of the forklift’s forward tilt, backward tilt, and side tilt due to excessive center of gravity offset. The semi-independent damping device of the wing balance balances the comfort of the forklift chassis performance and obstacle-surmounting ability, and can complete U-turn in situ without adding an external structure, the position of the counterweight box is locked after the center of gravity is balanced through the electromagnetic counterweight box locking device, and the thermal locking device at the end prevents The counterweight box slides past the limit position.