11results about How to "Fix work" patented technology

The application belongs to the field of water / sewage system electromechanical equipment of civil aviation, and relates to an aircraft electric heating control system and a fault monitoring method based on BITE health management. The system comprises a plurality of independent electric heating control valves arranged on the water / sewage system. Any electric heating control valve comprises an electric mechanism, a valve body and a heating assembly. The electric mechanism is used to drive the valve body to rotate to control the flow of the passage. The valve body is arranged in the passage, and the periphery of the valve body is provided with the heating assembly according to the requirement, which is used to control the temperature of the valve body. The electric mechanism is further integrated with a controller, the controller is integrated with a fault monitoring module, and the controller is in real-time communication with an upper computer, which is used to realize the control of the electric mechanism, the temperature control of the heating assembly and the fault monitoring. The application integrates the functions of valve opening and closing control, position feedback, electric heating, overheating protection and health management, has high component integration degree, reduces the control complexity of the upper system controller and improves the reliability of the system.

The utility model relates to a crusher tooth convenient to install, which comprises a blocky crusher tooth body, the crusher tooth body consists of a working part and an installing part which are integrally formed, and the area of one side, far away from the installing part, of the working part is gradually reduced, so that the whole working part is of a trapezoidal structure with a wide lower part and a narrow upper part. At least one mounting hole is formed in the upper end of the working part, a hard alloy block is embedded and welded in each mounting hole to serve as a working head to conduct crushing operation, the lower end of the working part is in transition connection with the mounting part through a transition edge, and the middle position of the mounting part in the vertical direction is concaved inwards to form an assembling through hole. And after the mounting seat of the crusher is inserted into the assembly through hole of the mounting part and is fixed through a fastener, the crusher and the crusher tooth body are connected and fixed. The utility model has the advantages of simple and reasonable structure, convenience in mounting and dismounting, good overall firmness, reduced cost, improved working efficiency and the like.

This invention relates to a carbon fiber reinforced ultra-high performance concrete (UHPC) and its preparation and application. This concrete constructs a multi-level coupled conductive path, "trunk-secondary," by synergistically introducing magnetite and carbon fiber into a UHPC matrix. The carbon fiber provides a highly sensitive piezoresistive response framework, while the magnetite particles, through their semiconductor interface properties, are dispersed within the fiber network, effectively bridging local breakpoints and suppressing resistance abrupt changes caused by uneven fiber dispersion or microcrack propagation. This significantly improves the overall stability and repeatability of the conductive network and enhances the mechanical properties of the concrete. By adjusting the carbon fiber content, the resistivity, flowability, and mechanical properties of the concrete can be flexibly controlled, allowing the material to adapt to the needs of different engineering scenarios. It is particularly suitable for fields with stringent requirements for antistatic properties, conductivity, and structural strength, such as electronic factories, electromagnetically sensitive areas, explosion-proof locations, and intelligent structures, demonstrating high engineering practical value.

This utility model relates to the field of design optimization technology for noise reduction frame foundations and circulating water pipe foundations in thermal power plants. It aims to solve the problem in existing technologies where, in thermal power plants, mechanical ventilation cooling towers, heavy-duty roads, and the main plant building are arranged adjacent to each other, and the space for circulating water pipes is limited due to land constraints. Furthermore, when these pipes are placed within the load-bearing area of ​​heavy-duty roads, the heavy vehicle loads can cause the circulating water pipes to buckle and deform, affecting their normal operation. The utility model provides a compact, combined arrangement structure for noise reduction frames and circulating water pipe foundations in thermal power plants. This structure includes a noise reduction frame arranged outside the mechanical ventilation cooling tower, a circulating water pipe arranged below the noise reduction frame, and a circulating water pipe foundation arranged below the circulating water pipe. A support frame is provided above the circulating water pipe foundation, and the circulating water pipe is arranged within the support frame and supported on the foundation. The noise reduction frame is located above the support frame and supported on it.

This invention belongs to the field of concrete building materials technology, and discloses a fiber-reinforced concrete segment suitable for dual control of micro-cracks and macro-cracks, and its preparation method. The fiber-reinforced concrete segment comprises cement-based concrete and crack-resistant fibers and structural fibers compositely added to the cement-based concrete. The crack-resistant fibers are fine steel fibers with a diameter of 0.15-0.25 mm and a length of 10-15 mm; the structural fibers are coarse polypropylene fibers with a diameter of 0.8-1.2 mm and a length of 40-60 mm; the volume fraction of the crack-resistant fibers is 0.5%-0.8%; and the volume fraction of the structural fibers is 0.5%-0.9%. The fiber-reinforced concrete segment provided by this invention can achieve continuous crack control, synergistic effect, and better economic efficiency.

The utility model discloses processing equipment for plastic recovery, which belongs to the technical field of waste plastic separation, and comprises a smelting furnace, an impeller turntable and an injection device, plastic garbage is heated into a molten state by the smelting furnace through a high-frequency heating coil, a cylindrical inner cavity is arranged in the smelting furnace, the impeller turntable is rotatably arranged at the bottom of the cylindrical inner cavity, and the injection device is arranged in the cylindrical inner cavity. The driving device drives the impeller rotating disc to rotate so as to drive molten plastic to form rotational flow, and the rotational flow enables plastic with different densities to be evenly distributed in the radial direction of the inner cavity of the cylinder under the action of centrifugal force. After the garbage plastic in the molten state forms rotational flow, high-purity simple substance plastic flows along the inner wall of the inner cavity of the cylinder and enters the spraying device, so that the plastic in the molten state can be sprayed out in a small droplet manner by utilizing the spraying device, and then the sprayed plastic forms particles after being cooled and solidified; and finally, classifying by using a flotation method to obtain pure elementary substance plastic particles.

The application discloses a multi-mode phased low-profile wideband pattern reconfigurable antenna unit and a wide-angle beam scanning array, the antenna unit comprising a metal radiation structure, a dielectric substrate and a ground plate located at the back of the dielectric substrate, the metal radiation structure comprising orthogonally integrated monopole and dipole, the dipole being composed of two axisymmetric L-shaped bending resonant arms extending from the ground plate, located at the back of the dielectric substrate, and the right resonant arm bending part being subjected to angle cutting treatment, and the left resonant arm being loaded with an L-shaped branch, the monopole being embedded in the gap of the ground plate, fed by using a coplanar waveguide and H-shaped coupling, the monopole top being loaded with a metal strip, and a lumped capacitor being connected in series on the monopole feeding path; the array comprising a plurality of the multi-mode phased low-profile wideband pattern reconfigurable antenna units. The pattern reconfigurable antenna disclosed by the application has a compact structure and a wide coverage wide-angle beam scanning capability, and can provide a potential antenna solution for an intelligent wireless communication system.

The utility model discloses a flexible plate turning and pasting device for a direct display module. The flexible plate turning and pasting device comprises a base, a mechanical arm, an upstream conveying module used for conveying products and a downstream conveying module used for conveying carriers for assembling the products. The upper surface of the base is connected with the mechanical arm in a positioning mode, a carrier positioning platform is arranged on the peripheral side of the upper surface of the base, and the upstream conveying module and the downstream conveying module are arranged on the peripheral side of the base with the upper surface of the base as the center. Automatic assembling action can be achieved through the carrier grabbing module and the product grabbing module, specifically, the mechanical arm is driven to guide the second grabbing end to grab a product on the upstream conveying module, and after the product is overturned by a set angle, the product and a carrier located at a carrier limiting station are positioned; and then, the manipulator is driven to guide the first grabbing end to transfer the carrier positioned with the product to a downstream conveying module.

The invention relates to the technical field of industrial executing mechanisms, and particularly discloses a novel electro-hydraulic composite driving system which comprises an electric part, a hydraulic control part, a cylinder body assembly and a piston rod assembly. The electric part comprises an electric part motor, a speed reducer, a gearbox assembly, a gear transmission pair, an encoder assembly, a lead screw transmission pair assembly and a piston locking nut. The hydraulic control part comprises a main electromagnetic reversing valve, an overflow valve, a first oil tank, an energy accumulator, a first electromagnetic two-position reversing valve, a bidirectional hydraulic lock, a bidirectional hydraulic pump, a hydraulic control part motor, a balance valve, a second electromagnetic two-position reversing valve, a second oil tank and a stop valve. The novel electro-hydraulic composite driving system has the large bearing advantage of a hydraulic cylinder and the high-precision characteristic of an electric cylinder, the adaptive scene of an executing mechanism is expanded, and the safety, reliability and high efficiency of operation of industrial equipment are improved.

The utility model discloses a kind of instant heating pipeline heater, it is related to the technical field of heater, including water inlet pipe and box, the top of box is fixed with water inlet pipe, the inner side wall of box is fixed with heating box, preheating zone is fixed between box and heating box, the inner side wall of heating box is fixed with heating device.The utility model, the heat conduction in heating box can preheat the water in preheating zone, in order to preheat, when instant heating pipeline heater works, water flow will first reach preheating zone before entering heating box, heating rod in heating box is heated in the water in heating box during heating process, preheating zone in water is preheated by heating box heat conduction, solve the problem that long time opening larger water flow in use process, heating is not timely, subsequent water flow temperature cannot reach specified temperature.

The invention relates to the technical field of semiconductor devices, and provides a ferroelectric transistor and a preparation method and application thereof.The preparation method of the ferroelectric transistor comprises the following steps that a semiconductor layer is formed on a substrate, after patterning and etching are completed through a photoetching technology, the semiconductor layer is thermally oxidized at a preset temperature, the semiconductor layer is converted into a ferroelectric layer in situ, and the ferroelectric layer is formed; forming a heterostructure of the two; then photoetching and exposing source and drain electrode patterns, depositing metal through electron beams or thermal evaporation, and finishing source and drain electrode patterning in combination with a Lift-off process; preparing a dielectric layer on the ferroelectric layer by an atomic layer deposition method; and finally, photoetching and exposing the pattern of the top electrode, and completing the preparation of the top electrode through evaporation and Lift-off processes. According to the method, an atomic-scale ultra-flat uniform interface is realized, the adverse effect of an interface defect state and a depolarization field on ferroelectric performance can be effectively inhibited, the device has the advantages of low working voltage, high fatigue resistance and high-speed response, meanwhile, the device has the advantages of low thermal budget, high process compatibility and high expandability, and the overall device is excellent in performance.