30results about How to "Enhanced bump resistance" patented technology

The invention discloses a hydrofoil ship with a displacement boat function, which comprises a main hull, a propulsion device and a stern rudder, wherein a deep-wetted hydrofoil and a movable sliding hydrofoil which can achieve lift adjustment are arranged at the bottom of the main hull, the deep-wetted hydrofoil is arranged at the rear portion of the gravity of the main hull while the movable sliding hydrofoil is arranged on the head portion of the main hull, and the distance between the deep-wetted hydrofoil and the main hull is longer than that between the movable sliding hydrofoil and the main hull. The hydrofoil ship has the advantages of fast route speed, sound dynamic stability, high safety, energy-saving and low production cost.

The heat insulating box for cold and hot food includes one box body in hollow structure filled with heat insulating material and one box cover. The box cover has notch with embedded sealing strip in the inner wall and limiting notch in the surface; and the box body has limiting boss on the bottom. The heat insulating box features the box cover with one sealing boss in the inner wall, the joint between the box body and box cover with at least one pair of notches and slap in the outer side board wall, the inner and outer surfaces of the box cover and the outer wall of the box body with reinforcing ribs, and the box body cavity bottom with one capped through hole. The present invention has the features of high sealing performance, long temperature maintaining period, great box cavity capacity and good heat insulating performance.

The invention discloses a power engineering tool box with tools convenient to sort. The tool box comprises a tool box body, an installing plate and an upper cover, the installing plate is arranged atone end of the tool box body, shock-absorbing assemblies are uniformly arranged between the installing plate and the tool box body, universal wheels are installed at four corners of the bottom of theinstalling plate through bolts, the upper cover is movably installed on the top of one side of the tool box body through a hinge, two elastic fixing belts are installed on the inner side of the uppercover side by side, a storage drawer is movably installed at the bottom of the other side of the tool box body, second placing chambers are uniformly placed in the storage drawer, first storage chambers are arranged in the tool box body through baffles, and elastic cushions are arranged on the inner side walls of the first placing chambers. The elastic cushions are arranged on the inner side wallsof the first placing chambers, the shock-absorbing assemblies are uniformly arranged between the installing plate and the tool box body, so that the bumping resisting capability of the tool box bodyis effectively improved, and tools in the tool box body are protected.

The invention relates to a mold assembly improved structure for greatly improving casting precision of a light aluminum piston. The mold assembly improved structure is applied to batch production of high-precision light aluminum pistons. The mold assembly improved structure comprises an outer mold, a pin hole mold, a sliding block mold and a core mold. The core mold comprises a piston core mold center piece. The piston core mold center piece is composed of a rectangular pyramid column and a supporting table connected with the rectangular pyramid column. The mold assembly improved structure ischaracterized in that a through groove is formed in a supporting rail along the center line, a straight rod is arranged at the bottom of the pin hole mold, the straight rod and the through groove areequal in width, and the straight rod extends into the through groove; and a T-shaped guide rail groove is formed in the upper portion of the pin hole mold, a T-shaped guide rail is arranged on the upper portion of the interior of a cavity of the outer mold, and the T-shaped guide rail is sleeved with the T-shaped guide rail groove. The pin hole mold is provided with a pin column hole lower pressing block. The rectangular pyramid column and the supporting table are connected in a fastened mode through a bolt with a tangential plane. An end face hole in the tail end of the bolt communicates witha side hole of the bolt, and a rectangular pyramid column deep hole is formed in the lower end face of the rectangular pyramid column. The mold assembly improved structure has the advantages that various abnormal abrasion of the pin hole mold is avoided, the bumping resistance is greatly improved, and the precision of the thickness of a radial casting involved in the sliding block mold in production is improved.

The invention mainly relates to a balancing loading method of a passenger aircraft. The method comprises the following steps: acquiring aircraft model data which comprises an original gravity center envelope, a passenger cabin layout, and a cargo cabin layout; presetting standard gravity center data in an original gravity center envelope range; determining the number of passengers and the number of cargos, building an aircraft stowage integer programming model based on the passenger cabin layout and the cargo cabin layout with the minimum gravity center deviation as the target, pre-distributing the positions of the passengers and the cargos, adopting a heuristic intelligent algorithm, carrying out iterative optimization on the model, and determining a target loading scheme. Based on the balancing loading method provided by the invention, the positive effects of loading visualization, one-key optimization, loading gravity center deviation analysis and the like can be realized.

An oil composition for the treatment of gears which comprises as a base oil a mineral oil having a dynamic viscosity at 100 deg.C of 5 to 40 mm2/sec and incorporated therein (a)0.01 to 5 wt% phosphoric ester compound based on the whole composition. It optionally further contains, based on the whole composition, (b) 0.5 to 10 wt% alkenylsuccinimide compould, alkylsuccinimide compound, or boron adduct of either and (c) 0.5 to 10 wt.% at least one member selected among the salicylates, phenates, and sulfonates of alkaline earth metals. The oil composition is used in a gear hardening step, in which the composition forms a surface coating film simultaneously with gear hardening. Thus, it can impart pitching resistance to the gear.

The invention mainly relates to the technical field of high polymer materials and discloses a wear-resistant inflatable swimming pool. The wear-resistant inflatable swimming pool is prepared from thefollowing raw materials: PVC resin, chlorinated paraffin, fumed silica, nano-titania, zinc oxide, antibacterial sepiolite, a stabilizer, polymethyl methacrylate and aminophylline. The inflatable swimming pool is high in strength and wear resistance, germs are inhibited effectively, the service life of the swimming pool is enabled to reach 0.33-0.35 million people, and use demands of consumers aremet. The PVC resin, the chlorinated paraffin, the stabilizer graphene and polymethyl methacrylate are heated slowly to be mixed sufficiently, the heat-resistant temperature and the tensile strength ofthe PVC resin are enhanced, the wear resistance is improved, the flowability and the softness of the raw materials are enhanced, and later forming is facilitated; then the antibacterial sepiolite andthe aminophylline are added to a premix, the antibacterial sepiolite is promoted to be crosslinked with the PVC resin sufficiently, germ proliferation is inhibited, sepiolite swells after absorbing water, thickness of the swimming pool can be increased, wear resistance and bump resistance are improved, and the service life of the swimming pool is prolonged.

The invention discloses an anti-bumping automobile seat. The anti-bumping automobile seat can solve the problem that, even provided with an anti-bumping shock absorbing structure, an existing automobile seat is still poor in anti-bumping capability to result in poor sitting comfort level as well as solve the defects that the existing automobile seat cannot automatically select and adjust the anti-bumping capability according to different road conditions but only resist shock and bumping according to the set function of the anti-bumping shock absorbing structure to result in poor adaptability.The anti-bumping automobile seat comprises a seat body and a base arranged at the bottom of the seat body, the bottoms of both ends of the base are provided with a left bottom support and a right bottom support respectively, both ends of the base are provided with side supports connected with the bottom of the seat body, and the bottoms of the two side supports are welded with connecting bases; the left bottom support and the right bottom support are identical in structure, one ends of the tops of the left bottom support and the right bottom support are respectively provided with an air pump,and the other ends of the top of the left bottom support and the right bottom support are respectively provided with a fixing base.

The invention provides a braking mechanism of a self-balancing scooter, and belongs to the technical field of transportation. The braking mechanism comprises braking wheels rotationally connected to braking boards, and second middle wheels rotationally connected to a scooter frame, wherein each of the second middle wheels comprises a second transmission ring gear meshing with a corresponding transmission gear and two second friction wheels separately positioned on two sides of the second transmission ring gear; when the braking boards swing around a mounting shaft, the braking wheels can abutagainst the corresponding second friction wheels; the outer ring of each of the braking wheels is rotationally connected with a plurality of first traction wheels and a plurality of second traction wheels in one-to-one correspondence with the first traction wheels; each of the first traction wheels and the corresponding second traction wheel is connected by a plurality of traction belts; and the traction belts are soft and elastic, and connected end to end. A winding method of the traction belts comprises the steps of winding the traction belts at the sides, near the axes of the correspondingbraking wheels, of the first traction wheels, and winding the traction belts at the sides, away from the axes of the corresponding braking wheels, of the second traction wheels. The first traction wheels and the second traction wheels are all provided with belt grooves for holding the traction belts. The braking mechanism of the self-balancing scooter has the advantages of mitigating the braking force and the like.

The invention discloses a modular adsorption bed structure, and belongs to the technical field of adsorption refrigeration and energy storage. The modular adsorption bed structure comprises an adsorption bed shell, a plurality of unit tubes, a cooling fan, a baffle plate and a gate valve; an inlet and an outlet of an external heat source and a cold source are formed in the adsorption bed shell; the unit tubes are arranged in the adsorption bed shell in a staggered manner, the flow direction of the external heat source and the flow direction of the cold source are perpendicular to the unit tubes, and each unit tube comprises an outer metal tube, a metal net tube with a spring inner core, an open front end cover, a sealed rear end cover and a single-salt or multi-salt composite adsorbent filling the unit tube; the external heat source and the cold source are circulated outside the metal tubes; and the gate valve is arranged between the cooling fan and the adsorption bed shell and needs to be opened in the cooling process and closed in the heating process. According to the modular adsorption bed structure, compactness and light weight can be realized, heat exchange is effectively enhanced, and cleaning convenience is improved.

The invention provides a battery electric vehicle for the disabled. According to the technical scheme, a supporting frame and a suspension axle are connected through two sets of main springs, so that a damping effect is guaranteed in the vertical direction; and meanwhile, in order to solve the problem that a battery electric vehicle low in self-weight generates severe lateral deviation when jolting, oblique hydraulic cylinders are arranged on the edges of the supporting frame and the edges of the suspension axle, and therefore the damping effect is improved. In addition, a horizontal tray is welded between a chassis and the suspension axle, the tray is surrounded by protruding portions and connecting rods, and thus the tray can be used for fixing a battery pack due to the structure. In this mode, the large-weight battery pack is moved forwards to the vehicle head, the self-weight of the vehicle head is increased, and therefore the dragging stability of an engine is improved, and meanwhile vibration and jolting are further relieved. According to the battery electric vehicle, the damping performance of the battery electric vehicle is greatly improved due to the creative design of a front suspension assembly, and the battery electric vehicle is driven more stably and is particularly suitable for the disabled.

The invention relates to a middle-sized bulk container, which is firm in welding points of a pipe of a peripheral framework and not easy to brake, and belongs to the technical field of a package container. The middle-sized bulk container is characterized by comprising a framework (1) and an internal barrel (2), wherein the internal barrel (2) is arranged inside the framework (1), the framework (1) is formed by welding a plurality of square pipes (3) which are distributed in transverse direction and longitudinal direction, the top surface of each square pipe (3) is provided with a groove (4), and two sides of each groove (4) are protruded to form a welding surface (5). The middle-sized bulk container is simple in manufacturing process and low in production cost; and moreover, the welding points of the pipes are firm, and the breaking phenomenon is not easy to happen.

The invention discloses a chassis structure assembly and a vehicle. The chassis structure assembly comprises a first longitudinal beam, a second longitudinal beam, a first cross beam, a second cross beam, a third cross beam, a fourth cross beam and a fifth cross beam, wherein the first longitudinal beam and the second longitudinal beam are arranged in parallel, and the first cross beam, the secondcross beam, the third cross beam, the fourth cross beam and the fifth cross beam are sequentially welded between the first longitudinal beam and the second longitudinal beam. The first beam is arranged at the front end of the first longitudinal beam, and the fifth beam is arranged at the tail end of the first longitudinal beam. According to the chassis structure assembly, the first cross beam, the second cross beam and the third cross beam are sequentially welded to the bent structures of the first longitudinal beam and the second longitudinal beam, the overall structure of the frame chassisis formed by embedding different assemblies, and the states of the bent structures of the first longitudinal beam and the second longitudinal beam obtained when the whole vehicle runs are consistent with the states of the bent structures obtained when whole vehicle suddenly passes through the convex blocks or the concave pits when running on the road surface, so that the impact resistance and thebumping resistance of the whole vehicle are greatly improved.

The invention relates to the technical field of hydraulic oil cylinders, in particular to a hydraulic oil cylinder gland opening and closing device with a reinforcing structure for an automobile. Thedevice comprises a cylinder body and a gland arranged on the top of the cylinder body, an outer side sealing plate is arranged on the periphery of the top of the cylinder body, a plurality of bolt insertion holes are annularly formed in the periphery of the top of the gland, bolts are inserted into the bolt insertion holes, the bolts are in threaded connection with the outer side sealing plate forfixing the gland and the cylinder body, and a reinforcing device is arranged on the periphery of the outside of the cylinder body. Through the arranged reinforcing device, the clamping fit of a limiting plate and a clamping block and threaded connection between the bolts and the outer side sealing plate, double fixation of the gland and the cylinder body is realized, so that the reinforcing effect is achieved, the anti-bumping capability of bolt connection is improved, and the driving safety is further improved.

The invention belongs to the technical field of pesticide spraying robots. The problems that an existing orchard pesticide spraying robot does not have an anti-bumping function, the movement process is not stable enough, internal parts of the pesticide spraying robot are prone to loosening and damage due to bumping and shaking, and the overall protection performance of the pesticide spraying robot is poor are solved. The invention discloses an orchard pesticide spraying robot with an anti-bumping moving mechanism. The orchard pesticide spraying robot with the anti-bumping moving mechanism comprises a bearing seat and a pesticide conveying and spraying assembly, a pesticide storage box is installed on the bearing seat, the pesticide conveying and spraying assembly is arranged on the pesticide storage box, the bottom of the bearing seat is provided with a anti-bumping moving mechanism, and the anti-bumping moving mechanism is connected with the bearing seat through a buffering assembly; according to the orchard pesticide spraying robot, by arranging an anti-collision assembly, the orchard pesticide spraying robot is prevented from being damaged by impact force generated by direct collision, by arranging the anti-bumping moving mechanism and the buffering assembly, damage to the orchard pesticide spraying robot due to bumping and shaking is relieved, and the overall protection performance of the pesticide spraying robot is remarkably improved.

The invention discloses an engine case capable of rapidly dissipating heat, relates to the technical field of engine cases, and aims to solve the problems that when an engine case in the prior art operates, due to continuous movement of an inner piston, the temperature of the case is increased quickly, quick aging of devices in the engine case is accelerated, and the service life of the engine case is affected. A piston hole is formed in a piston rod pipe, die-casting aluminum cooling fins are installed on the outer side of the piston rod pipe, the piston rod pipe is fixedly connected with the die-casting aluminum cooling fins through bolts, cooling pipelines are arranged below the die-casting aluminum cooling fins, and the die-casting aluminum cooling fins are connected with the cooling pipelines in a spot welding mode. Die-casting aluminum heat conduction plates are installed in the cooling pipelines, penetrate through the cooling pipelines and are fixedly connected with the die-casting aluminum cooling fins, cooling fins are installed on the two sides of the die-casting aluminum heat conduction plates, the die-casting aluminum heat conduction plates are connected with the cooling fins in a spot welding mode, and water flow through holes are formed in the die-casting aluminum heat conduction plates.

A hydrogen-oxygen generator for an automobile or a ship comprises two end face pole plates, an outer wall and a plurality of layers of inner cavity cylindrical pole plates. The two end face pole plates are arranged in parallel and arranged at the two ends of the outer wall and at the two ends of each layer of inner cavity cylindrical pole plate and screwed and fixed through a plurality of fastening bolts. The multiple layers of inner cavity cylindrical pole plates are clamped and fixed through a plurality of positioning blocks. Positioning blocks are arranged at the left end of the first layer of cylindrical pole plate, positioning blocks are arranged at the right end of the second layer of cylindrical pole plate, and in the similar way, the rear ends of the positioning blocks abut against the inner walls of the two end face pole plates. A positive pole is arranged at the center position of one end face pole plate, and a negative pole is arranged at the center position of the other end face pole plate. Each of the two end face pole plates is provided with a water inlet and an air outlet, and a dirt outlet is formed in the outer wall. According to the hydrogen-oxygen generator, the reaction efficiency, the anti-vibration performance and the anti-jolting performance are effectively improved.