27results about How to "Fix work" patented technology

The present invention relates to the technical field of three-dimensional rolled iron core transformers, and discloses a three-dimensional rolled iron core dry-type transformer, including a local casing, a three-dimensional rolled iron core assembly is arranged on the lower side of the local casing, a heat dissipation air path is fixedly connected to the lower side of the three-dimensional rolled iron core assembly, an air filter is fixedly installed at the center of the three-dimensional rolled iron core assembly, the air filter is connected to the heat dissipation air path, and the air filter and the local casing are both connected to a self-sealing air port; the air filter comprises a central filter and an external multifunctional component, the upper side of the central filter is connected to the self-sealing air port at the center of the upper side; the central filter comprises a central filter tube; a filter bag and evenly distributed sponge balls are arranged inside the central filter tube. The present invention achieves the purpose of dust removal and dehumidification of the heat dissipation airflow entering the transformer through the cooperation between the heat dissipation air path, the air filter, the self-sealing air port, and the fan.

A mounting structure for a housing 11 for a concentrating photovoltaic module 1m² comprises: a bottom plate 15 formed from an electrical conductor and having a plurality of cells 12c arranged therein; a side wall frame 16 made of resin, the side wall frame 16 standing along the outer edge of the bottom plate 15 and configured to hold a concentrating part 13 so as to face the bottom plate 15; a pair of frames 8 (supporting element) each being an electrical conductor connected to ground, the pair of frames 8 being configured to be in contact with the bottom plate 15 to support the module 1m²;and bolts 25 and nuts 26, as a fastening element, configured to fix the pair of frames 8 and the bottom plate 15 to each other to fix the 1m module to the pair of frames 8, the bolts 25 and nuts 26 each being an electrical conductor thus serving as electrical connection paths from the bottom plate 15 to the pair of frames 8.;

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 present invention belongs to the technical field of ventilation and air conditioning, and relates to a wall-attached air supply device of an integrated air purification system, including a column, a pre-buried air duct, a mushroom head baffle, an air outlet plate and an annular air guide plate; the upper end of the column is connected to the air outlet plate, and the mushroom head baffle cover is arranged above the air outlet plate; a circular air outlet is opened in the center of the air outlet plate, and an annular air outlet is opened at the outer edge of the air outlet plate; the annular air guide plate is placed between the circular air outlet and the annular air outlet; a pre-filter, an activated carbon filter and a medium efficiency filter are arranged in sequence from bottom to top inside the column. The air supply method is also disclosed, which combines the advantages of the air supply system and the attached jet, and the air supply airflow adheres to the column wall and enters the working area after hitting the floor, forming an air lake airflow distribution on the ground, that is, the airflow with low wind speed and small temperature difference is evenly diffused along the ground, thereby improving the air supply efficiency; by setting a filtering system, the problem of dust in the floor interlayer flowing with the air supply airflow causing the indoor air quality to decrease can be effectively solved.

The invention relates to an intelligent multi-power system which comprises an engine, a generator set, a fuel tank set and a heater set. Oil inlets and oil outlets of the engine and the generator set communicate with the fuel tank set. The heater set comprises a first heater and a second heater, and the first heater communicates with a cooling water cylinder body of the engine and is used for heating cooling water of the engine; the second heater is communicated with a cooling water cylinder body of the generator set and used for heating cooling water of the generator set, and the first heater and the second heater are both communicated with the fuel tank set. Cooling water of the engine and the generator set is heated, the working temperature of the engine and the generator set is increased, starting and working of a power system in the low-temperature environment are achieved, and normal transportation work of a vehicle in the low-temperature environment is guaranteed; in addition, the heater takes fuel oil from the vehicle for heating work, and redundant energy does not need to be provided; the intelligent starting can be realized according to the manually set temperature; the system is simple in overall structure and low in production cost.

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.

The utility model provides petroleum pipeline trenching hoisting equipment, and relates to the field of petroleum. The petroleum pipeline trenching and hoisting equipment comprises a base used for installing a device, a supporting and rotating mechanism used for supporting the device and adjusting the position of a pipeline is arranged above the base, a hoisting mechanism used for hoisting the pipeline is arranged above the base, and the supporting and rotating mechanism comprises a first gear, a second gear and a rotating rod. The rotating rod is fixedly installed at one end of the first gear, and the first gear is meshed with the second gear. According to the petroleum pipeline trenching hoisting equipment, the supporting rotating mechanism is arranged, so that the problems that the position of a hoisted pipeline is difficult to adjust by the conventional pipeline hoisting equipment, the pipeline is difficult to move into a trench after being hoisted during pipeline trenching construction, and the pipeline trenching work is easily influenced are solved; the beneficial effects that the position of the pipeline can be adjusted after the pipeline is hoisted, and the pipeline can be conveniently moved into the groove so that the pipeline can be conveniently installed are achieved.

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 a multi-module fuel cell air tail gas treatment system and a fuel cell system, and the multi-module fuel cell air tail gas treatment system comprises at least two single-module fuel cell systems, or the liquid water flows to the heat exchanger of at least one other single-module fuel cell system through the conversion valve to adjust the temperature of the liquid water passing through the heat exchanger, and the water pump is used for conveying the temperature of the liquid water passing through the heat exchanger to the electric pile to adjust the temperature of the electric pile. According to the utility model, the tail gas exhausted by the electric pile of one single-module fuel cell system is selectively conveyed to the heat exchanger or the tail gas exhaust, and heat exchange is carried out on liquid water of other single-module fuel cell systems so as to improve the temperature of the liquid water, so that the temperature of the electric pile of other single-module fuel cell systems is close to the optimal working temperature; the problem that the working voltage of the electric pile is too high due to low required power of the whole vehicle is solved, and the problem that the performance of the electric pile which does not work is poor due to too low temperature when the electric pile is started next time is solved.

The invention relates to an APD working voltage automatic configuration method and system and a processing chip. The method comprises the following steps: sequentially setting duty ratios of input signals of an adjustable high-voltage module according to values of the duty ratios in a set duty ratio interval; synchronously detecting the corresponding average output voltage of the adjustable high-voltage module when the adjustable high-voltage module is in the input signal through a voltage detection module; sequentially calculating the ratio between the duty ratio difference and the average output voltage difference obtained by two adjacent detections, obtaining a first turning point voltage and a second turning point voltage, and calculating a voltage value required to be configured by the APD to be configured based on the turning point voltages; and automatic configuration of the working voltage of the to-be-configured APD is realized. By adopting the technical scheme, the working curve of the APD does not need to be measured and preset in advance while the gain stability of the APD is ensured, and the problem that the production or use cost of the APD device is relatively high is solved.

The utility model discloses a special coil inserting trolley for a copper wire fine wire drawing machine, which relates to the technical field of copper wire fine wire drawing production and comprises a frame, a weight box and a lifting platform are fixedly mounted at the bottom and the upper part of the inner side of the frame respectively, and a loading plate is fixedly mounted at the top of the lifting platform and comprises a first concave plate and a second concave plate. The first concave plate and the second concave plate are integrally formed, the second concave plate extends to the front side of the frame, and a tray is movably arranged on the upper end face of the carrying plate; when the trolley is located on the front side of the copper fine wire drawing machine, the second concave plate extends into the mounting groove, the carrying plate is lifted upwards through the lifting table, the carrying plate ascends and gets close to the lower side of the wire spool disc, the wire spool disc is detached to the tray, then the tray is pulled to move to the first concave plate, and finally the wire spool disc full of wires is moved to the next station through the tray. Therefore, the problem that the surface of a wire is damaged or workers are injured due to sudden force unloading when the bobbin disc is unwound is solved, and meanwhile the bobbin disc unwinding efficiency is improved.

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 utility model relates to the technical field of smashing devices, and discloses a construction waste smashing device which comprises a smashing machine, an L-shaped frame is fixedly installed on one side of the smashing machine, a first smashing roller, a second smashing roller and a spiral blade are arranged in an inner cavity of the smashing machine, a push rod motor is fixedly installed on the surface of the top of the L-shaped frame, and a pressing block is arranged on the lower portion of the L-shaped frame. The driving end of the push rod motor rotationally penetrates through the L-shaped frame and is fixedly connected with the top of the pressing block. According to the technical scheme, the construction waste above the first crushing roller is extruded through the pressing block, and the problems that when too much construction waste is accumulated, due to the fact that no extrusion structure exists, the construction waste crushing time is shortened, and the working effect is obviously reduced are solved; and the construction waste is crushed repeatedly through the first crushing roller, the second crushing roller and the spiral blade, so that the construction waste is crushed more thoroughly, the problem that the crushing efficiency is reduced due to the fact that the number of the crushing rollers is not enough when the construction waste is too much is solved, and the working efficiency is further improved.

The present invention discloses a UHPC premixing process, which performs UHPC dry premixing in advance, and sets a number of movable wet mixers in the later on-site construction according to the construction progress requirements, thereby increasing the output of UHPC finished materials and construction efficiency, ensuring metering accuracy, and improving quality. Also disclosed is a UHPC premixing production line for realizing the UHPC premixing process.

The present invention discloses a start-up control method for a large-tonnage hybrid loader, including an engine, a vehicle controller, a start-up electronic control system and a drive control system; the vehicle controller is used to control the start-up electronic control system to be turned on / off, and receives an engine speed signal to determine whether the start-up condition of the drive control system is met; the start-up electronic control system is used to start the engine to reach a predetermined speed; after the engine reaches the predetermined speed, the drive control system is started to start the large-tonnage hybrid loader. The present invention can use a power battery as a power source to drive a starter motor, thereby driving the start of the engine, avoiding the problem that the low-voltage lead-acid battery of the vehicle cannot drive the starter motor when the battery is low, making the whole machine unable to start.

The present invention provides a remote sensing data demand closed-loop driving processing method and device thereof, which relates to the technical field of remote sensing data processing, including parsing user data demand, obtaining historical data reprocessing demand R i1 and at least one observation requirement f ik ; In the remote sensing data processing system, there is a time and space range of historical data that meets the reprocessing requirements. i1 In the case of O historical data reprocessing sub-tasks, O historical data reprocessing sub-tasks are generated, and the historical data corresponding to the O historical data reprocessing sub-tasks are sent to the user according to the status of the O historical data; according to the historical data reprocessing demand R i1 and observation requirements f ik , generating the unobserved space range SG i1 and the unobserved space range SW ik , according to the unobserved space range SW ik , determine whether to accept the observation request f ik ; Generate distribution tasks corresponding to each observation requirement based on the received observation requirements; Perform closed-loop processing on each generated distribution task to generate task results corresponding to each distribution task.

The utility model relates to the technical field of sewage treatment, and discloses convenient-to-clean filtering equipment which comprises a main body, a first filtering plate is rotatably connected in the main body, a first rotating column is rotatably connected to the top of the first filtering plate, a second rotating column is rotatably connected in the main body, a first air cylinder is fixedly connected to the outer wall of the second rotating column, and a second air cylinder is fixedly connected to the outer wall of the first air cylinder. A second air cylinder is fixedly connected into the main body, the output end of the second air cylinder is fixedly connected with a connecting rod, a third air cylinder is fixedly connected into the main body, the output end of the third air cylinder is fixedly connected with a check block, a collecting drawer is slidably connected into the main body, and a fixing assembly is arranged at the top of the main body. According to the filtering device convenient to clean, the effect of automatically cleaning the filtering plate is achieved, and the problems that when existing filtering equipment convenient to clean is used, a filtering element needs to be frequently disassembled and cleaned or sundries on the filtering surface need to be cleaned in a strenuous mode, and inconvenience and extra workload are brought to a user are solved.

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 utility model discloses a ramming and slagging-off device for brass melting, which comprises a base, the upper end of the base is fixedly connected with a rack, the upper end of the base is located in the rack and fixedly connected with an engine, the upper end of the base is located on one side of the engine and fixedly connected with a charging machine, and the upper end of the charging machine is fixedly connected with a melting furnace. The upper end of the rack is fixedly connected with an operation table; according to the utility model, the ramming oil cylinder, the charging machine, the melting furnace, the ramming and slagging-off head and the like are adopted, so that the ramming and slagging-off work of an operator is realized through the ramming oil cylinder, the ramming and slagging-off head and the like, the labor intensity of the operator is completely reduced, and the ramming and slagging-off treatment of raw materials at different positions in a hearth is realized through the walking of the charging machine; through the engine, the charging machine, the melting furnace and the like, the melting rate of the melting furnace is increased, comprehensive energy consumption is reduced, meanwhile, the charging machine and material ramming and slagging-off are integrated, the design that one machine has multiple functions is achieved, and space is saved for a production workshop site.

The embodiment of the invention provides a common-mode correlation floating power supply circuit and a chip, and belongs to the field of analog circuits. The common-mode correlation floating power supply circuit comprises a common-mode comparator used for comparing a common-mode voltage with a low dropout regulator (LDO) voltage; and a floating power rail generation circuit configured to select a higher one of the common mode voltage and the LDO voltage to generate a floating power rail according to a comparison result of the common mode comparator. According to the embodiment of the invention, when the common-mode voltage is lower than the LDO voltage, the LDO voltage is utilized to generate the floating power supply rail, the problem that the floating power supply rail cannot work due to the fact that the common-mode voltage is too low is solved, and otherwise, the floating power supply rail associated with the common-mode voltage is realized by utilizing the common-mode voltage to generate the floating power supply rail.

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.

The utility model relates to the technical field of jackscrew dismounting devices, and discloses a multipurpose oil pipe four-way jackscrew dismounting device which comprises a connecting sleeve rod, one end of the connecting sleeve rod is in threaded connection with a driving sleeve rod, and the other end of the connecting sleeve rod is in threaded connection with a dismounting sleeve rod. By rotating the control knob, the control knob drives the first transmission rod to rotate, the first transmission rod drives the fixed end to rotate at the same time, the fixed end drives the jackscrew wrench in the fixed end to rotate at the moment, the jackscrew wrench is made to dismantle a jackscrew, the jackscrew can be dismantled through the jackscrew wrench, and the jackscrew can be dismantled through the jackscrew wrench. Meanwhile, the threads at the two ends of the connecting sleeve rods are the same, so that the jackscrew wrenches can be lengthened by connecting the multiple connecting sleeve rods, meanwhile, the jackscrew wrenches of different sizes are fixed in the fixed ends through the fixing nuts, and the problems that disassembling tools are often single in function, and disassembling work becomes difficult and dangerous are solved.