13results about How to "Ideal structural design" patented technology

The invention relates to a pure electric tandem double-rotor unmanned helicopter platform which comprises a rack, a rotor system, a transmission system, a power system and a control system, the rack is made of a carbon fiber material and comprises a triangular truss, rotor tower bases fixed to the front end and the rear end of the triangular truss and undercarriages fixed to bottom plates of the rotor tower bases; a rotor system is arranged on each rotor tower base, and the rotation directions of the two rotor systems are opposite and counteract the reverse torsional moment of the propeller disc; a transmission system is mounted on each rotor system; the power system comprises two sets of transmission electric power systems which are arranged on the rack and used for providing power for the transmission system; and the control system is used for providing flight control, navigation and data monitoring data information for the helicopter. According to the invention, the two sets of rotor systems depend on respective pure electric power systems to drive the rotors to rotate in opposite directions, and by adopting the structural design of the pure electric power systems, the machining difficulty and the maintenance difficulty are low.

The invention discloses a novel tong head for a drilling platform and a using method of the novel tong head, and relates to the technical field of drilling equipment, in particular to the novel tong head for the drilling platform and the using method of the novel tong head for the drilling platform. A left gate and a right gate are arranged at an opening of the main bushing and are rotatably arranged on the tong head box body through a pin shaft, one end of the first telescopic device is rotatably arranged on the tong head box body, and the other end of the first telescopic device is arranged as a telescopic end, is arranged at the end parts of the left gate and the right gate and is used for pushing the left gate and the right gate to rotate around the pin shaft; the large door opening and closing device has the advantages that the wrapping performance of the tong head is enhanced, shaking during screwing-on is reduced, the stability and safety of operation are improved, the maintenance efficiency is improved, the automation degree is improved, and the requirement for manual operation is lowered.

This invention provides a wireless, passive force-position implantable growth monitoring system and its fabrication method for early-onset scoliosis correction. The system includes: a connected compressible capacitive sensor and a flexible wireless antenna coil; the compressible capacitive sensor is connected to a self-growing early-onset scoliosis correction implant growth rod, and the flexible wireless antenna coil is disposed within the body. The compressible capacitive sensor and the flexible wireless antenna coil together constitute an LCR resonant circuit; the compressible capacitive sensor monitors the pressure changes caused by the elongation of the self-growing early-onset scoliosis correction implant growth rod during tissue or bone growth, thereby causing changes in capacitance and resulting in changes in the resonant frequency of the LCR resonant circuit; the resonant frequency change is detected and read out wirelessly via an external readout device. This system is designed to meet the needs of digital rehabilitation, requires no internal power supply, and has a stable structure, making it suitable for growth monitoring after early-onset scoliosis correction surgery.

The bone augmentation kit disclosed in the present invention is used to increase the bone volume of the jawbone. It can only use the combination of bone augmentation bracket + implantation bone screw, which is suitable for small-scale bone defects. It can also use the method of bone augmentation bracket + implantation bone screw + periosteal retention nail, which is used for large-scale irregular bone defects, and the implantation site can be adjusted at multiple angles to adapt to different defect areas. The implantation bone screw includes: a connecting part, a bone screw head connected to the top of the connecting part, and a threaded part connected to the bottom of the connecting part; the upper part of the implantation bone screw is provided with a periosteal retention nail installation hole extending from the bone screw head to the connecting part; when the combination of bone augmentation bracket + implantation bone screw + periosteal retention nail is used, the threaded part is screwed into the patient's jawbone, and the bone augmentation bracket is sleeved on the outside of the connecting part; bone powder is arranged around the bone augmentation bracket or between two bone augmentation brackets, and the periosteum covers the surface of the bone augmentation bracket, the implantation bone screw and the bone powder; the periosteal retention nail penetrates the periosteum and is installed in the periosteal retention nail installation hole.

The utility model discloses a novel grouting device based on compressed air pressurization, which comprises a box body, a power cylinder is arranged in the box body, the power cylinder is connected with an air compressor and a grouting cylinder, and the grouting cylinder is provided with a grouting cylinder feed port and a grouting cylinder discharge port; a grouting cylinder feeding control valve and a grouting cylinder discharging control valve are arranged in the grouting cylinder and correspond to the grouting cylinder feeding port and the grouting cylinder discharging port respectively in a sealed and sliding mode. The air compressor, the power air cylinder and the grouting cylinder are adopted to grout a crack gap based on an air compression mode, the pressure requirement of gap grouting is met, the grouting cylinder feeding control valve and the grouting cylinder discharging control valve are reasonable and excellent in structural design, and stable air pressure can be maintained to be formed in the cylinders during grout feeding or grout discharging. In addition, the grouting cylinder of the device is low in noise, compact in structural layout, excellent in design, easy to carry, high in reliability and low in maintenance cost.

The invention relates to a near-zero warping thermal adaptation structure and an intelligent optimization method thereof, the structure comprises a fixed connection substructure and N thermal deformation release substructures, the fixed connection substructure comprises two solid structures connected through bolts, one solid structure is located in a functional component, and the other solid structure is located in a bearing component. The N thermal deformation release substructures are arranged between the functional component and the bearing component and are distributed in an axial symmetry mode relative to the center line of a connecting bolt for fixing the connecting substructures. The structure is described and constructed by adopting a movable deformable component method, and geometric parameters of an iterative thermal deformation release substructure are updated through a genetic algorithm to obtain an optimal structural design oriented to a space non-uniform and time-varying temperature field. And the integrated design requirements of thermal dimensional stability during the on-orbit period of the spacecraft structure and high rigidity and strength during the launching period can be met.

The present invention discloses a collaborative simulation design method and system for thermoelectric coolers based on neural network acceleration, the method comprising the following steps: (1) building an equivalent physical field simulation model of a thermoelectric cooler; (2) simulating or experimentally measuring the equivalent physical field simulation model of the thermoelectric cooler, collecting structural parameters, and drawing an influencing parameter-performance parameter curve according to the corresponding relationship between the length, width, height, and current parameters of the thermoelectric arm and the performance of the thermoelectric cooler to find the parameters affecting the thermoelectric cooler; (3) building a neural network model, collecting influencing parameter-performance parameter data sets, and performing neural network training and testing to obtain a trained neural network model; (4) building a particle swarm optimization algorithm for optimization, and continuously approaching the target performance parameters by controlling the influencing parameters, and finally obtaining the thermoelectric cooler structural parameters that meet the design requirements. The present invention greatly shortens the design cycle of the thermoelectric cooler and improves the design efficiency.

The invention discloses an underwater wave-shaped tubular separator for offshore oil and gas exploitation and a working method, and relates to the technical field of offshore oil and gas exploitation and separation devices.The underwater wave-shaped tubular separator comprises a flow dividing pipeline and a buffering pipeline which are arranged in parallel, and the flow dividing pipeline is located above the buffering pipeline; the shunting pipeline is connected with the buffering pipeline through a separating pipeline; one end of the shunting pipeline is connected with the inlet pipeline, and the other end is connected with the gas-phase outlet pipeline; one end of the buffer pipeline is connected with the separation pipeline, and the other end is connected with the liquid phase outlet pipeline; the underwater wavy tubular separator is suitable for an underwater high-pressure environment and is compact in structure, small in occupied area, high in pressure bearing capacity and high in separation efficiency, and the treatment capacity can be flexibly adjusted through series-parallel connection combination. The device has the advantages of being easy and convenient to install and maintain, low in manufacturing and maintaining cost, high in adaptability, long in service life and the like, and powerful guarantee is provided for economic and safe exploitation of deepwater oil fields.

This reconstruction structure, based on a transmissive phase discontinuity surface, generates a circularly polarized beam, belonging to the field of beam reconstruction. Traditional optical rotation response and beam direction control techniques typically rely on bulky and complex devices to achieve these functions, which not only limits system integration but also reduces signal processing efficiency. The proposed structure comprises an array of n×n integrated layers, of which n types exist. The first, second, and third metal structural layers have elliptical annular cross-sectional shapes. The rotation angles of the first, second, and third metal structural layers on each type of integrated layer are not identical; these angles are the angles between the major axis of the elliptical annulus and the negative direction. The left-hand or right-hand circularly polarized wave phases of the n integrated layers differ by m° sequentially, and the arrangement range of the left-hand or right-hand circularly polarized wave phases of the n integrated layers is from 0 to 2π. This structure is used to generate a circularly polarized beam.

The utility model discloses a horn-type table frame and a table based on the same. The horn-type table frame comprises a top frame, a bottom frame and a horn-type supporting main body, wherein the top frame and the bottom frame are horizontally arranged, and the horn-type supporting main body is arranged between the top frame and the bottom frame and is defined by a plurality of bamboo battens which are sequentially and tightly leaned to form a large upper opening and a small lower opening; the top end of each bamboo strip piece is fixedly connected to the inner circumferential edge of the top frame, and the bottom end of each bamboo strip piece is fixedly connected to the inner circumferential edge of the bottom frame. The top frame is provided with a table top installation groove, and the table top plate can be embedded in the table top installation groove. The trumpet type table frame is free of edges and corners, not prone to collision and simple in design style, the whole table looks more designed and is high in design sense, only the trumpet type supporting body serves as a central supporting component, occupied space is small, and the table is easy to place. And the horn-type supporting main body is defined by the multiple bamboo battens in sequence in an abutting mode, the structure is firm, the structural stability is good, and the service life of the table is long. Due to the design that the projection lamp is arranged in the horn type supporting body, a good business negotiation atmosphere can be created.

The invention discloses a high-temperature proton exchange membrane fuel cell cooling, heating and power dehumidification combined supply system based on organic hydrogen storage liquid dehydrogenation reaction waste heat utilization, which comprises a high-temperature proton exchange membrane fuel cell comprising a cathode and an anode. The system further comprises a fuel supply system, an air supply system, a high-temperature proton exchange membrane fuel cell stack condensation system, an organic Rankine cycle power generation system, an ammonia vapor compression type refrigeration cycle and hot water supply system, an air dehumidification circulation system, a lithium bromide absorption type refrigeration circulation system and an organic hydrogen storage liquid recovery system which are communicated through pipelines. According to the system, the function of distributed electricity with the organic hydrogen storage liquid as fuel can be achieved, no greenhouse gas and pollution gas are generated in the utilization process and can be recycled, high practical and popularization value is achieved, low-grade waste heat is fully utilized, the comprehensive energy utilization efficiency of the system is improved, and the resource utilization effect is achieved.

The utility model discloses an incense core transition mechanism and an incense core screening machine manufactured based on the incense core transition mechanism, and the incense core transition mechanism comprises a transition bottom plate, a front baffle, a rotating wheel ring and an arc-shaped pressing plate, wherein the rotating wheel ring is arranged at the front end of the transition bottom plate and can lift and convey an incense core on the rotating wheel ring to a screening platform of a second screening machine; a feeding gap is formed between the arc-shaped pressing plate and the outer side of the rotating wheel ring; a left baffle and a right baffle are arranged on the two side edges of the transition bottom plate, an incense core moving channel is defined by the front face of the transition bottom plate, the left baffle, the right baffle and the front baffle, and the transition bottom plate is driven by a transmission assembly to move back and forth in a reciprocating mode. The incense core screening machine is ideal in structural design, and can achieve the purpose of secondary screening, so that qualified incense core products with higher grades can be screened out, and high-quality incense core products can be produced. The design of the pressing rods is adopted, so that when the incense cores are screened on the screening platform, due to the fact that conveying gaps are arranged at equal intervals, it is guaranteed that the incense cores cannot deviate on the conveying belts on the two sides, and the screening effect of the incense cores is improved.

This invention provides a brain tissue dilator for continuous irrigation and suction during cerebral hemorrhage surgery, comprising a sheath with a hollow, frustum-shaped structure; the outer diameter of the distal endoscopic section of the sheath is smaller than that of the proximal endoscopic section, and the sheath also has an annular sealed channel; an inner core tube; an irrigation-suction control unit including a connecting tube sealed and fixed to the outer wall of the sheath, the connecting tube having parallel and isolated inlet and outlet, the inlet being connected to the irrigation channel, the outlet being connected to the suction channel, and the inlet being connected to a positive pressure irrigation port through a first branch pipe, the outlet being connected to a negative pressure suction port through a second branch pipe; and a fixed handle located on the outer wall of the sheath away from the connecting tube. This invention allows the surgeon to flexibly adjust the irrigation and suction operations according to the nature of the hematoma and the bleeding situation, improving the efficiency of hematoma removal.