64results about How to "Avoid the need" patented technology

The invention relates to a rotor wing tilting mechanism for the ends of wings of an electric tilting rotorcraft, and aims to provide an efficient, safe and economical solution suitable for the electric tilting rotorcraft. According to the tilting mechanism, a worm and gear transmission mode is adopted, the stable tilting and self-locking functions of the rotor wing are achieved through the precise meshing design, the structural design is simplified, and an additional tilting locking device is removed. The steering engine, the worm gear, the worm, the motor and the rotor wing are directly installed on the tilting box, the tilting box is installed on the tilting mechanism connecting shaft through a bearing, and the tilting mechanism connecting shaft is connected with the wing. The steering engine directly drives the worm to rotate, the worm drives the worm gear to rotate, and the worm gear drives the tilting box and the rotor wings to tilt together. The rotor wing tilting mechanism has the advantages of being simple and reliable in structure, high in tilting operation efficiency and the like.

This invention discloses a dual-purpose charging gun and charging system. The dual-purpose charging gun includes a gun body, a connector, a first control component, and a second control component. When the user chooses manual charging, the plugging and unplugging action can be easily completed by operating the operating end of the first control component, which conforms to the user's operating habits. When automatic charging is required, the robotic arm connects to the gun body through the connecting area, and the second control component drives the connector to complete the hooking or unhooking action under the command of the control system, realizing fully automatic plugging and unplugging. The two working modes can be freely switched. The user can interrupt the automatic process and switch to manual operation at any time, or switch to automatic mode when manual operation fails. This solves the problem of incompatibility between manual and automatic charging functions. It also ensures charging safety and reliability through a standard-compliant hook structure, retaining the flexibility and user habits of manual operation, while possessing the convenience and accuracy of automatic operation.

The utility model relates to the field of steel manufacturing, in particular to a mounting shaft dismounting table which comprises a frame body, the upper portion of the frame body is fixedly connected with a hydraulic cylinder which is vertically arranged downwards, a pressing head is installed at the telescopic end of the hydraulic cylinder, two supporting rods are symmetrically arranged below the hydraulic cylinder, and the two ends of each supporting rod are placed on supporting plates respectively. The lower surface of the supporting plate is fixedly connected with lifting rods of a lead screw lifting machine, and the ends of the supporting rods are connected through adjusting devices so that the distance between the two supporting rods can be adjusted. The distance between the nylon roller to be disassembled and assembled and the hydraulic cylinder above the nylon roller can be adjusted according to needs, it is ensured that the nylon roller disassembling and assembling device can be suitable for nylon rollers with different axial lengths without using a long hydraulic cylinder, the distance between the supporting rods is adjusted through the adjusting device, the supporting position of the nylon roller is adjusted, and the nylon roller disassembling and assembling device meets the use requirement.

The utility model discloses a multifunctional deicer for a hydropower station, which comprises a main body mechanism, the main body mechanism comprises a second threaded cylinder, and the circumferential outer wall of the second threaded cylinder is in threaded connection with a fixed cylinder; the deicing mechanism comprises a connecting frame fixedly connected to the outer wall of the top of the second threaded cylinder, sleeves are fixedly connected to the outer walls of the two sides of the connecting frame, first springs are fixedly connected to the inner walls of the tail ends of inner cavities of the sleeves, and sliding frames are fixedly connected to the tail ends of the first springs; an inner cavity of the sliding frame is fixedly connected with a heating wire and a supporting mechanism, and the supporting mechanism comprises a fixing frame fixedly connected to the outer wall of the first threaded cylinder. The utility model relates to an electric wire deicing device, and aims to solve the problems that a telescopic rod needs to be lengthened when a high electric wire is deiced, but when the lengthened telescopic rod is used for deicing the electric wire, larger force needs to be applied when the electric wire is deiced due to the too long length, and the electric wire at the high position is inconvenient to use.

The invention relates to an ultraviolet curing device with nitrogen protection, a curing system and a curing method.The ultraviolet curing device mainly comprises a first cavity, a main gas dispersion assembly and a second cavity, the first cavity is located on one side of the main gas dispersion assembly, and the second cavity is located on the other side of the main gas dispersion assembly; a nitrogen inlet is formed in one side of the first cavity, a nitrogen outlet is formed in one side of the second cavity, the main gas dispersion assembly is used for dispersing nitrogen in the first cavity and conveying the nitrogen to the second cavity, an ultraviolet irradiation assembly is further arranged in the second cavity, and the ultraviolet irradiation assembly faces the nitrogen outlet. According to the ultraviolet curing device, the concentration of nitrogen flowing out of the nitrogen outlet is high, and the nitrogen purging atmosphere is stable, so that the curing effect of a product is stable.

The invention relates to a brake system (20) and a brake system providing method, in particular to a brake system and a brake system providing method for a brake system of a road vehicle. Disclosed is a brake system for a vehicle, comprising: a rotary brake element (22) fixedly connected to a wheel or a hub in a co-rotation manner with the wheel; a stationary braking element (24, 26) fixedly connected to the vehicle chassis; a brake actuator (38, 40) configured for actuating the stationary brake element (24, 26) to press the stationary brake element (24, 26) against the rotary brake element (22); a lever (32) configured such that the lever transmits a force exerted by the brake actuator (38, 40) to the fixed brake element (24, 26), in which the pivot axis of the lever (32) is parallel to the plane of rotation of the rotary brake element (22) and perpendicular to a horizontal caliper plane, which is a plane oriented tangentially to the rotary brake element (22), and the actuator axis is parallel to the plane of rotation and the horizontal caliper plane.

A system for drying wet gypsum board, comprising a conveyor path for advancing wet gypsum board in a feeding direction, means for exposing the wet gypsum board to a flow of hot air, and an outlet arranged to remove a flow of exhaust steam dissipated from the wet gypsum board. The system further comprises an exhaust heat exchanger for transferring heat from the exhaust steam to a primary closed circuit circulating a first heat carrying medium, at least one high-temperature heat pump having a primary, low temperature side connected to the primary closed circuit, and a secondary, high-temperature side, connected to a secondary closed circuit circulating a second heat carrying medium, the high-temperature heat pump being configured to provide a temperature on the secondary side of at least 160 degrees C; and a preheating heat exchanger connected to transfer heat from the secondary closed circuit to the flow of hot air.

The present disclosure can provide a metal fencing system comprising a plurality of metal fence posts (100) and a plurality of retaining clips (200), each metal fence post comprising a plurality of discrete apertures (119) arranged to receive a coupling portion of a retaining clip; wherein each retaining clip comprises a central fencing wire securing portion (202) and two opposing coupling portions (206) arranged in use to cooperate with the discrete apertures and to secure the retaining clip to the metal fence post.

The embodiment of the utility model provides an eMMC storage device and electronic equipment, the eMMC storage device comprises a processing unit, a conversion circuit, a switch unit and N eMMC, the N eMMC comprises a first eMMC and a second eMMC, and N is an integer greater than or equal to 2; the first output end of the processing unit is connected with the first end of the conversion circuit, the second end of the conversion circuit is connected with the first end of the switch unit, the second end of the switch unit is connected with the first end of the first eMMC, and the third end of the switch unit is connected with the first end of the second eMMC; and the switch unit is used for realizing communication between the processing unit and one of the N eMMC.

According to the radio frequency device behavior model parameter extraction method based on transfer learning, the polynomial model coefficient is extracted through the neural network model, the data size needed for building the neural network model is reduced, the portability and optimization efficiency of the model are improved, seamless integration of the neural network model and EDA software is achieved, and the performance of the neural network model is improved. The progress of the electronic design process is accelerated; the neural network model uses the test model in the old working state as the starting point of the new working state, so that the model coefficient is prevented from being re-extracted, and the test time and the instrument cost are saved.

The polishing system includes a platform supporting a polishing pad; a carrier head that maintains a substrate against the polishing pad; a source of dry ice particles; and a cushion adjuster. The pad conditioner includes a compressor that generates a flow of compressed gas, a mixer coupled to the source and the compressor to mix the dry ice particles with the flow of compressed gas to form a flow of compressed gas having entrained dry ice particles, and a nozzle coupled to the mixer. The nozzle is coupled to the mixer to direct the flow of compressed gas with entrained dry ice particles onto a polishing surface of the polishing pad at a speed sufficient to adjust the polishing pad.

The utility model relates to a door and window handle installation structure which comprises a panel, one end of the panel is connected with a handle in a linkage mode, a rotating piece is arranged in the center of the panel in a penetrating mode and connected with the panel in a rotating mode, and one end of the rotating piece is provided with a reset structure which resets after rotating. One end, far away from the reset structure, of the rotating part penetrates through the panel to be provided with a linkage part, the linkage part is detachably connected with the handle, the rotating part is rotationally connected with the panel, and the linkage part is detachably connected with the handle. During installation, the handle only needs to be connected with the linkage piece through the second fixing hole, and the situation that when a traditional handle is directly connected with the panel, the door handle needs to be rotated is avoided.

In an optical network having a terrestrial terminal and an open cable interface (OCI) connecting a submarine cable to a terrestrial cable, the OCI may include a filter positioned on an optical path between the terrestrial cable and the submarine cable and configured to pass first communication signals of a first frequency band, and filter out secondary signals of a second frequency band that does not overlap with the first frequency band. The secondary signals may be looped back to the terrestrial terminal. The terrestrial terminal may detect the looped back secondary signals, and in response, determine the presence of the OCI and that the supervisory signals were rerouted by the OCI.

The utility model relates to the technical field of cement production, and discloses raw material preheating equipment. The raw material preheating equipment comprises an outer end structure assembly, an inner heat preservation assembly is installed in the outer end structure assembly, a structure plate is installed in the inner heat preservation assembly, a flow guide plate is installed at the upper end of the structure plate, an inner layer is installed at the front end of the flow guide plate, and a ceramic layer is installed in the inner layer. An outlet is formed in the lower end of the inner layer, a conveying assembly is installed at the upper end of the outer end structure assembly, a conveying belt is installed at the lower end of the conveying assembly, a connecting opening is formed in the upper end of the conveying belt, and a conveying screw is installed in the conveying belt; the cement preheating device has the advantages that the problems that cement cannot be uniformly preheated when waste gas enters the device and the subsequent cement preheating effect is poor due to the fact that heat exchange is conducted between kiln tail waste gas and raw materials when a traditional preheating device is used are effectively solved, and the technical problem that the subsequent cement preheating effect is poor is solved.

The utility model relates to the technical field of grinding machine, concretely is a grinding machine guide rail convenient to install, including track strip, pedestal and convenient device, track strip places on the surface of pedestal, convenient device sets up on the surface of pedestal, and convenient device includes positioning rod, and multiple positioning rods are fixedly connected with the surface of pedestal, and multiple positioning rods are linear arrangement, and track strip is set on the surface of positioning rod, and the surface of track strip both sides is equipped with bayonet, and multiple bayonets are linear arrangement, and the surface of pedestal is equipped with sliding slot, and sliding slot is located track strip both sides. The utility model, through setting convenient device, effectively convenient worker installs grinding machine guide rail, when grinding machine guide rail uses, adjusts convenient device, avoided the need of worker to install multiple bolts, improved the practicality of grinding machine guide rail, improved the auxiliary nature of grinding machine guide rail, improved the convenience of worker installation grinding machine guide rail, reduced the difficulty of worker installation grinding machine guide rail.

The utility model relates to electrical circuit installation technical field, concretely is a kind of electrical circuit installation equipment, including support frame, the lower surface of support frame is placed with enclosed plate, the upper surface of support frame is provided with safety device, and safety device includes water storage box, and water storage box is fixedly connected with the upper surface of support frame, and the inside of water storage box is provided with water storage groove, and the inside fixedly connected with guide plate of water storage groove, the surface fixedly connected with enclosed sleeve of guide plate, and enclosed sleeve is fixedly connected with the inside of water storage groove, and the inside rotationally connected with rotating rod of enclosed sleeve, and the both ends of rotating rod are rotationally connected with the inside of water storage box, and the outer surface of rotating rod is provided with water guide groove, and one side of water storage box is fixedly connected with driver.The utility model, by setting safety device, can effectively facilitate worker to extinguish fire to the electrical circuit inside support frame, avoids the need to disassemble enclosed plate when worker extinguishes fire, and further improves the safety of electrical circuit installation equipment.

The invention discloses low-protein cattle feed manufacturing equipment and a manufacturing method, and relates to the technical field of low-protein cattle feed manufacturing equipment.The low-protein cattle feed manufacturing equipment comprises a mixing device body, a fixing plate is fixedly connected to the back face of the mixing device body, a conveying mechanism is arranged above the mixing device body, and a uniform mixing mechanism is arranged above the mixing device body; the conveying mechanism comprises a liquid conveying unit, the liquid conveying unit is arranged above the mixing device body, the liquid conveying unit can convey a liquid additive into the mixing device body, the conveying mechanism comprises a powder conveying unit, and the powder conveying unit is arranged above the mixing device body; according to the low-protein cattle feed manufacturing equipment and the manufacturing method, by arranging the liquid conveying unit, the powder conveying unit and the mixing mechanism, the problem that when the equipment is used, due to different additive forms, two kinds of additive conveying equipment need to be prepared, and the use cost is increased can be effectively solved.

This application provides a power module and an electrical device. The power module includes a battery cell and a circuit board electrically connected to the battery cell. A number of the battery cell is one. The battery cell is configured to feed a first voltage to the circuit board. The battery cell includes a housing and an electrode assembly disposed in the housing. The circuit board includes a buck-boost circuit and at least two output terminals. The buck-boost circuit is configured to receive the first voltage and step up or step down the first voltage, so as to output at least two different second voltages to the at least two output terminals respectively. Each of the output terminals is configured to feed one of the second voltages to a drive circuit in a load electrically connected to the output terminal. Therefore, by outputting different second voltages through a single battery cell, the power module saves the manufacturing cost of the power module and increases the energy density of the power module.

This invention relates to the field of self-centering grinding fixtures, and discloses a universal self-centering fixture for grinding small cylindrical parts. The fixture includes a mandrel assembly, an externally mounted locking block, an externally mounted locking cover, and a set of limit screws evenly distributed between the locking cover and the locking block. The mandrel assembly is externally threaded with locking screws. A roller guide is mounted on the left side of the mandrel assembly, and pins are mounted at both ends of the roller guide. A second spring is externally connected to the push rod. This universal self-centering fixture for grinding small cylindrical parts avoids the limitations of traditional fixtures in providing high-precision machining conditions for the roller guide. Furthermore, the added set of limit screws automatically locks the position of the limit screws when fixing the locking cover and locking block, avoiding the need for pins to lock the position of the limit screws in traditional fixtures. This reduces the fixing steps and increases the machining speed of the workpiece.

The invention discloses a self-transmitting and self-receiving driving circuit of an ultrasonic sensor, which comprises a driving transmitting circuit and a receiving circuit, and is characterized in that the driving transmitting circuit comprises a booster circuit and an MOS (Metal Oxide Semiconductor) tube driving circuit; the booster circuit is used for generating a high-voltage power supply for driving the ultrasonic transducer, the MOS tube driving circuit is used for converting an input low-level control signal into a high-level ultrasonic frequency pulse driving signal, and a high-voltage pulse enables the ultrasonic transducer to emit an ultrasonic signal through a piezoelectric effect. Wherein the receiving circuit comprises a biasing circuit, a clamping protection circuit, an amplifying circuit and a detection filter circuit, the ultrasonic transducer receives reflected ultrasonic signals, and after weak voltage signals are amplified, detected and filtered through the receiving circuit, low-frequency voltage signals convenient to process are obtained. The boost driving mode is flexible and can be applied to a small-size structure.

The food processor comprises a main machine and a cup body which is installed on the main machine and provided with a smashing cavity, the cup body is provided with a water inlet nozzle, the water inlet nozzle is communicated with the smashing cavity, the main machine comprises a machine shell, the machine shell is provided with an air inlet hole, and a hollow air guide cover is arranged at the position, corresponding to the air inlet hole, of the inner wall of the machine shell; one end of the air guide cover and the inner wall of the machine shell define a containing cavity, a filtering piece is arranged in the containing cavity, an air pump is arranged in the main machine, the other end of the air guide cover is connected with an air inlet of the air pump through a pipe fitting, and an air outlet of the air pump is connected with the water inlet nozzle through a pipe fitting. The air inlet structure is added, cooling of slurry, drying of the inner wall of the cup body and removal of residual water on the inner wall of the pipe fitting can be achieved through air inlet, and bacterium breeding on the inner wall of the cup body or the inner wall of the pipe fitting can be avoided; under the action of the filter part, external air is used after being filtered, so that the situation that bacteria and impurities are brought into the cup body to pollute serous fluid or the cup body needs to be cleaned for the second time can be avoided, and the use is safe and reliable.

The present invention discloses a punching device for insole production, which belongs to the technical field of insole production. The punching device for insole production comprises a workbench, one side of the workbench is fixedly connected with an insole stacking mechanism, an insole plate is placed on the top of the workbench and the insole stacking mechanism, a plurality of formed insoles are placed on the top of the insole stacking mechanism, a supporting driving mechanism is arranged between the front end and the rear end of the workbench, a connecting mechanism is slidably connected to the bottom of the workbench, a plurality of ejecting mechanisms are slidably connected to one side of the connecting mechanism, and a plurality of punching die mechanisms are slidably connected to the bottom of the connecting mechanism. The present invention automatically completes the stacking of insoles by designing the cooperation of the insole stacking mechanism and the ejecting mechanism, realizes automatic stacking of insoles, avoids manually taking out the insoles one by one and subsequently stacking and placing the insoles, reduces the labor intensity of manual labor, and improves production efficiency.

The invention provides a double-peak-value current control strategy of a four-switch Buck-Boost converter, belongs to the technical field of converter control, and solves the problems that an existing control algorithm is relatively large in delay during high-frequency real-time calculation, and the control method still needs to switch algorithms under light-load and heavy-load conditions. Comprising the following steps: dividing a switching period into four stages: an energy storage stage D-A, a direct connection stage A-B, an energy release stage B-C and a clamping stage C-D according to on and off states of a switching tube of the FSBB converter; a voltage regulator is introduced to the point B to output Vc1, so that the point B is related to the point A, and the FSBB is limited to control the degree of freedom; and the specific value information of the input voltage and the output voltage is detected, the inductive current working state of the FSBB in the step-up / step-down state is determined according to the magnitude relation of the input voltage and the output voltage, and a control logic circuit is constructed to complete double-peak current control.

The invention discloses a motor rotating speed or rotor frequency measuring method and device based on a three-axis magnetometer, and the method comprises the steps: obtaining a magnetic flux signal based on the three-axis magnetometer when a motor rotates, the three-axis magnetometer is arranged adjacent to the motor and is not in contact with the motor; respectively obtaining a power frequency magnetic field signal and a slip magnetic field signal in low-frequency distribution according to the magnetic flux signal and a predetermined high-pass filter and a predetermined low-pass filter; according to the obtained power supply frequency magnetic field signal and the slip magnetic field signal, analyzing to obtain the stator current frequency and the slip ratio of the motor; and according to the obtained stator current frequency and the slip ratio, calculating to obtain a motor rotating speed or a rotor frequency.

The utility model relates to the technical field of material laying, and discloses a laying device for forming a composite material. The laying device for composite material forming comprises a platform assembly, a position fixing assembly is mounted at the upper end of the platform assembly, a driving block is mounted at the upper end of the position fixing assembly, a mounting groove is formed in the upper end of the driving block, a lower pressing block is mounted in the mounting groove, and a measuring plate is mounted at the upper end of the lower pressing block; the device comprises a position fixing assembly, a laying assembly is installed at the upper end of the position fixing assembly, a structural frame is installed at the lower end of the laying assembly, a material pipe is installed on the left side of the upper end of the structural frame, a first rolling shaft is installed in the structural frame, a telescopic rod is installed in the first rolling shaft, and a second rolling shaft is connected and installed at the upper end of the telescopic rod; the problems that according to a traditional structure, when a worker fixes a bottom layer structure, the laying position needs to be measured, consequently, certain time is wasted subsequently, and the laying position has deviation are effectively solved.

The invention discloses refining and recycling equipment for crude glycerine, and relates to the technical field of crude glycerine refining. According to the refining and recycling equipment for the crude glycerine, pressurized air can be quickly conveyed into a side connecting pipe through a condensation assembly and a hose, the air flow quickly flows in the side connecting pipe, and when the air flow makes contact with protruding threads, the heat exchange area can be increased, and heat absorbed by a condensation pipe is taken away; and then the gas subjected to heat exchange can be conveyed into the insertion pipe A through the insertion pipe B, and the gas subjected to heat exchange is conveyed into the injection cylinder B through the calandria, so that liquid cooling is conveniently avoided, subsequent cooling of the condensation pipe is facilitated, the heat exchange area in the condensation pipe can be increased through the cooling mode, and the heat exchange efficiency of the condensation pipe is improved. Therefore, the heat exchange efficiency is improved, and the condensation pipe can be rapidly cooled in an air cooling mode.

The invention relates to the technical field of single-screw air compressors, and discloses a single-screw air compressor with an air supply function, the single-screw air compressor comprises a tank body, the top of the tank body is fixedly connected with a case, the inner wall of the tank body is provided with a filtering device, the inner wall of the case is provided with a heat dissipation device, and the inner wall of the case is provided with an air inlet device; the filtering device comprises a motor, a reciprocating screw rod, a fixed plate I, a hinge rod, a filtering plate, a push plate I, a fixed plate II, a detector, a roller I and a collecting box, the motor is fixedly connected to the left side of the tank body, the reciprocating screw rod is fixedly connected to the output end of the motor, and the filtering plate is movably connected to the circumferential surface of the reciprocating screw rod. Dust and impurities filtered by the filter plate are pushed into the collection box through movement of the first push plate, and the situation that follow-up air supply is affected by too many impurities, and the air compression effect is achieved is prevented.

Techniques disclosed herein provide a system that provides an agent for unavailable participants mentioned in communication sessions, such as channels, chat sessions, email threads, conference chats, etc. When the system detects that a person is mentioned in a message (also referred to herein as a "primary participant"), for example, "(at) mention" or "(at) name" is detected, and the system detects that the mentioned person has set an out-of-office reply or otherwise indicates an unavailable state. The system automatically identifies the agent and packs an instant message including the "(at) name" and a message thread including the instant message, and sends the packed communication to the agent. The permission is also modified such that a computer associated with the agent can display messages for the thread and send the messages to the thread on behalf of the person mentioned. When the agent responds, the system directs the response to reply the main thread.

The large ball mill comprises a base, a supporting side plate is fixedly installed on the top face of the base, a grinding chamber is rotationally connected to the side face of the supporting side plate, one end of the grinding chamber communicates with a discharging chamber, a side motor is fixedly installed on the side face of the discharging chamber, and spiral blades are installed at the output end of the side motor; and a screening mechanism is arranged on the inner wall of the discharging chamber. Automatic screening and cyclic utilization of materials are achieved through linkage of the filter plate and the spiral blade, qualified materials are directly discharged after being screened, unqualified materials can flow back to the grinding chamber for secondary grinding, the requirement for manual intervention is reduced, the overall grinding efficiency and the product quality are improved, and the production cost is reduced. Meanwhile, the filter plate vibrates up and down through linkage of the extrusion rod and the spring A, the screening process is effectively accelerated through the mechanical vibration, materials are prevented from blocking the filter plate, the filtering efficiency is ensured, and the production continuity is improved.

The utility model relates to the technical field of switch cabinets, in particular to a modular switch cabinet which is simple to assemble. The utility model provides a modular switch cabinet simple to assemble, which comprises a modular switch cabinet, a revolving door, a sliding block, a mounting plate, a fixing plate and a first telescopic rod, the right side of the modular switch cabinet is rotatably connected with the revolving door, the inner wall of the modular switch cabinet is provided with a sliding groove, the sliding block is slidably connected in the sliding groove, and the mounting plate is fixedly connected with the sliding block. A mounting plate is connected between the two sliding blocks, a plurality of mounting holes are formed in the mounting plate, a fixing plate is connected to the inner wall of the modular switch cabinet, a fixing hole is formed in the fixing plate, first telescopic rods are symmetrically mounted on the sliding blocks up and down, and the telescopic ends of the first telescopic rods are clamped and matched with the fixing holes. And by arranging a plurality of sliding blocks, a mounting plate, a fixing plate, a fixing hole and a first telescopic rod, regional mounting can be carried out during assembly, and other objects are prevented from interfering with operation.