11results about How to "Lightweight structure design" patented technology

According to the non-magnetic stator tooth high-temperature superconducting synchronous phase modifier and the determination method, a plurality of superconducting excitation windings are arranged between a rotor magnet yoke and a superconducting shielding layer along the circumferential array of the rotor magnet yoke, and each superconducting excitation winding is connected with a superconducting excitation winding cooling structure and an excitation winding structure wound by a high-temperature superconducting strip; the superconducting excitation winding cooling structure is arranged on the excitation winding to maintain the excitation winding to operate stably at the set temperature, so that active power loss and temperature rise of the excitation winding are avoided, the superconducting excitation winding has high excitation capacity, the air gap magnetic flux density of the high-temperature superconducting synchronous phase modifier is as high as 1.6 T, and the high-temperature superconducting synchronous phase modifier can be applied to the high-temperature superconducting synchronous phase modifier. Therefore, when the radial sizes are roughly the same, the axial size of the high-temperature superconducting synchronous phase modifier can be greatly reduced, and under the condition of the same power, the axial size of the high-temperature superconducting synchronous phase modifier is about one half of that of an existing synchronous phase modifier, and miniaturization of the synchronous phase modifier is facilitated.

The brake caliper assembly comprises a caliper body, a brake caliper support and a friction plate assembly, the caliper body and the friction plate assembly are both arranged on the brake caliper support, a cylinder hole is formed in one side of the caliper body, a piston used for pushing a friction plate is arranged in the cylinder hole, and a rectangular sealing ring is arranged between the inner wall of the cylinder body and the outer edge of the piston. And an oil inlet and a deflation assembly are arranged on the caliper body corresponding to the cylinder hole. A traditional piston return spring is omitted and is realized through deformation of the rectangular sealing ring, so that the self-adjusting range is large; a rectangular sealing ring movable structure is adopted to control a gap, the total pump displacement required during braking is reduced, the total pump stroke and the cylinder diameter are reduced, the lightweight design is adopted, the pedal force is reduced, and the comfort level is improved; the mounting bracket and the guide pin are designed to be in free clearance fit, and the guide pin and the positioning pin are provided with dust covers, so that the sliding resistance performance, the dust prevention function and the convenient mounting function of integral sliding are improved, abrasion is reduced, and integral movement is more flexible.

The present invention discloses an underwater oil spill collection device, including an oil collection device, an oil suction pump is arranged on the top of the oil collection device, the oil outlet of the oil suction pump is connected with the oil spill storage device through a pipeline, and the oil spill storage device stores the oil spill delivered by the oil suction pump separately. The structural design of the present invention is lightweight and miniaturized, with low cost, and can realize emergency underwater recovery of oil spills, is not affected by sea conditions, effectively prevents the spread of crude oil with the sea current during the floating process, and stores the collected oil spills in oil storage bags.

This utility model discloses a slotless AC motor structure based on a reduced-core design, comprising a housing, a stator module, a partial core module, and a rotor module. The housing includes a main body and a base plate. The stator module is built into the housing and includes an annular non-magnetic frame and coils. The partial core module includes several cores, which are mounted one-to-one on a core mounting bracket, with air gaps between adjacent cores. This slotless AC motor structure aims to solve problems such as significant cogging effect, excessive core weight, and inflexible magnetic circuit in traditional motor structures. The motor eliminates the traditional slotted stator structure, adopting a combination design of slotless coils and a partial magnetic core. While ensuring effective control of the magnetic flux path, it significantly reduces motor weight, manufacturing complexity, and improves dynamic response performance.

The utility model discloses moisture-proof wear-resistant high-toughness bobbin paper, and relates to the technical field of bobbin paper, the moisture-proof wear-resistant high-toughness bobbin paper comprises a bobbin paper body, the upper end and the lower end of the bobbin paper body are respectively provided with a wear-resistant outer layer, the side of the bobbin paper body is provided with an edge closing strip, and a waterproof layer is arranged between each wear-resistant outer layer and the bobbin paper body. According to the moisture-proof, wear-resistant and high-toughness bobbin paper, the bobbin paper body, the waterproof layer, the edge closing strips and the like are arranged, the bobbin paper body is formed by compositing the multiple single plate layers, the two single plate layers are connected through the transverse strips and the vertical strips, and therefore a hollow partition cavity is formed between the two single plate layers, the light-weight structural design is achieved, and the overall waterproof and moisture-proof effects are guaranteed; the waterproof layers on the two sides achieve waterproof and waterproof effects, the bobbin paper body is prevented from being affected with damp, the edge closing strips on the two sides protect the edge of the bobbin paper body, the damp-proof effect is improved, meanwhile, the edge is prevented from being damaged, and practicability is improved.

The utility model relates to automobile parts, and provides a novel knuckle bearing V pusher which comprises a first connecting rod, a second connecting rod, a V-end ball head sub assembly, a first ball pin sub assembly and a second ball pin sub assembly, and the V-end ball head sub assembly comprises a mounting seat, a ball head, a metal bearing outer ring, a ball seat and an end cover. A containing cavity between the ball seat and the end cover and a containing cavity between the ball seat and the installation seat are both filled with lubricating grease, a first spiral oil channel and a second spiral oil channel are formed in the inner wall of the metal bearing outer ring, and an oil channel inlet of the first spiral oil channel is communicated with the lubricating grease in the containing cavity between the ball seat and the end cover. An oil duct inlet of the second spiral oil duct is communicated with lubricating grease in a containing cavity between the ball seat and the mounting seat, and an oil duct outlet of the first spiral oil duct and an oil duct outlet of the second spiral oil duct are both located in a bearing contact area between the metal bearing outer ring and the ball head. The problems that an existing thrust rod assembly is short in service life, and potential safety hazards exist in use of a driver are solved.

The present invention belongs to the field of nuclear power plant maintenance, and specifically relates to an optical centering device for lifting the top cover of the pressure vessel of a pressurized water reactor unit. The device includes a transmitting device, a receiving device and a calibration device. The receiving device includes a target and a guide column, and the target is installed on the guide column. The support seat is a hollow disk with a thread in the center; the transmitter is installed in a fixed sleeve, and the fixed sleeve and the support seat are fixedly connected by a central thread, and the fixed sleeve is fastened by a locking nut; 6 adjustment screws are passed through the fixed sleeve to adjust the coaxiality of the transmitter and the support seat. The device saves a lot of time spent on centering, reduces personnel dose, and increases the visibility and accuracy of the centering operation to ensure the safety of the equipment.

This utility model relates to an automatic cleaning device for large storage tanks, comprising: a base, a base support system, a pole system, a rotating seat, a rotating seat support system, an adjustment system, a power system, and a cleaning system. This device offers advantages such as convenient operation, high automation, strong safety, lightweight design, wide applicability, low operating costs and labor intensity, short construction period, high tank utilization rate, good cleaning effect, flexible cleaning effect acceptance methods, and no risk of operator poisoning. It is suitable for large storage tanks of various sizes and can effectively solve various problems in existing tank cleaning technologies.

The present application belongs to the technical field of product packaging, and particularly relates to a well-sealed inner-piercing cover body and a packaging container with the same. In the fields of food, medicine or cosmetics, two or more components are often packaged separately to avoid chemical reaction or quality decline during long-term storage and transportation. The present application can simply and quickly mix and blend two independently sealed materials together. The cover body is used to contain a first material, and a packaging container contains a second material. The cover body is assembled on the packaging container through threaded connection. The cover body comprises a main cover, a secondary cover and a piercing member. The main cover is connected with the bottle body through threads. The piercing member is arranged in the main cover. The secondary cover is arranged on the upper part of the main cover and the piercing member. The present application can conveniently mix as needed, provide more convenient use experience, effectively avoid cross contamination, and has a lightweight structure design, which is suitable for travel and outdoor use, and airtight structure ensures hygiene during storage.

The invention relates to the technical field of preparation of light-weight high-strength steel through electron beam selective melting, in particular to FeMnAlC light-weight high-strength steel based on an electron beam 3D printing technology and a preparation method of the FeMnAlC light-weight high-strength steel based on the electron beam 3D printing technology. Designing a three-dimensional digital model; layering a discrete model, obtaining powder parameters and scanning data, and importing the data into electron beam scanning control software; preheating parameters, a printing strategy and printing parameters are set for printing, and the printing parameters are as follows: the scanning speed is 2.5-3 m / s, the current speed is 7-9 mA, and the rotation angle is 90 degrees; and after printing is completed, a formed part is cooled to the room temperature, sand blasting treatment is conducted on the formed part, powder is removed, and the FeMnAlC light-weight high-strength steel obtained through electron beam selective melting is obtained.By means of the method, the problems that in the traditional high-carbon high-alloy steel casting process, the fluidity is poor, the structure is uneven, and a complex shape cannot be designed for a casting to meet the use condition are solved.

The utility model discloses a lower control arm of a double-fork-arm front suspension, which comprises a control arm body, the control arm body is of a cavity structure formed by buckling and welding an upper plate and a lower plate, and a first extension end, a second extension end and a third extension end of the control arm body are respectively used for connecting a front bushing, a rear bushing and a ball pin assembly; the damping support assembly comprises a damping inner plate, a damping outer plate and a mounting nut, the damping inner plate is embedded in the cavity structure and welded to the inner wall of the upper plate and the inner wall of the lower plate, the damping outer plate is arranged on the outer side of the upper plate and welded to the upper plate, and the mounting nut is fixed to the side, back to the damping outer plate, of the damping inner plate; through holes are formed in the areas, right opposite to the damping inner plate, of the upper plate and the lower plate, a damper mounting channel is formed between the damping inner plate and the damping outer plate, and mounting through holes used for bolt connection are formed in the damping inner plate and the damping outer plate in a right opposite mode. The mounting function integration of the shock absorber can be realized, and the requirements of light weight and structural reinforcement are met.