167results about How to "Reduce drive energy consumption" patented technology

The invention discloses an orbital type coal transporting trestle automatic polling robot and system. The polling robot comprises a machine cabin with a track walking mechanism and a polling image acquisition device, the machine cabin is of a closed structure and is provided with a wireless charging receiving module, and a power module, a control module and a wireless communication module are arranged in the machine cabin. The track walking mechanism comprises a walking drive device and a main frame, the main frame is provided with a guide load bearing wheel assembly and a pair of sliding slots, the two sides of the walking drive device are provided with connecting posts which transversely extend out, and the connecting posts are slidably arranged in the sliding slots; and a track mountingposition is formed between the guide load bearing wheel assembly and a track walking component of the walking drive device, one end of each sliding slot is provided with a pressure regulating deviceused for adjusting the frictional force of the track mounting position, and the connecting posts abut against or are supported to the pressure regulating devices. The orbital type coal transporting trestle automatic polling robot and system have the advantages of good protection performance, strong environmental adaptability, safe and reliable charging, strong driving capability, long service lifeand good walking stability.

The invention provides a tracked magnetic suspension vehicle / a conveyer, which comprise a track, permanent magnets, a suspension seat and a driving wheel. The track is fixedly connected with the permanent magnet or a magnetizer, the suspension seat is fixedly connected with the permanent magnet, and the permanent magnet on the track and the permanent magnet on the suspension seat have homopolarity (or heteropolarity) and are arranged oppositely, generate magnetic suspension repulsive force (or attractive force) opposite to gravitational attraction, reduce or eliminate friction force when a vehicle runs, and reduce energy dissipation. The tracked magnetic suspension vehicle has the advantages of no energy consumption during suspension, low energy consumption during running, and energy saving. The tracked magnetic suspension vehicle achieves trackless magnetic suspension, also can run on a road, and is not limited by railway track any more. The tracked magnetic suspension vehicle also can be used as a magnetic suspension conveyer, and is energy-saving, clean and dustless.

The invention relates to a sunlight corresponding apparatus, which comprises a solar energy assembly mount, a raised support bracket, a rotating support framework, a left-and-right angle corresponding driving member and a pitch angle corresponding driving member. The solar energy assembly mount is hinged on the rotating support framework that is hinged on the raised support bracket; and accurate tracking on sunlight is realized on the basis of coordinated movements of the left-and-right angle corresponding driving member and the pitch angle corresponding driving member. According to the invention, the apparatus has a simple and reasonable structure; energy consumption for running is low; and the running accuracy is high; besides, the apparatus is easy to control and is convenient for installation and daily maintenance.

The invention belongs to the field of massive microalgae cultivation, in particular relating to a small-fall open pond for massively cultivating microalgae as well as a use method and an application thereof. Based on the open pond of the invention, the open pond comprises a stirrer, wherein the stirrer is rotated, the altitude of the pond bottom at the algae liquid outlet of the stirrer is maximum and the difference between the maximum altitude and the altitude of the pond bottom at an algae liquid inlet is less than 5cm, thus the rest of a runner is sloped, and liquid flows in a converse direction. The pond bottoms between the outlet of the stirrer and the inlet of the stirrer are in inclined plane or cambered surface connection. The altitude of the runner of the pond bottom gradually decreases from the algae fluid outlet of the stirrer to the algae liquid inlet of the stirrer along the liquid flow direction. The small-fall open pond for realizing even cultivation of a microalgae superficial layer provided by the invention can greatly improve the algae cell intensity, and reduce the water body driving energy consumption. In addition, the improvement of the algae cell intensity can greatly reduce the water body amount, thus reducing the harvesting cost of the algae cells by a large margin.

The invention discloses a continuous-power-shifting two-gear speed changing box which comprises a speed changing box body, a power input shaft, a power output shaft, a slow-gear transmission chain and a rapid-gear transmission chain. The rapid-gear transmission chain is of a clutch structure, the slow-gear transmission chain is provided with an overrun clutch, the overrun clutch conducts overrunning when the rapid-gear transmission chain is in joint transmission, the power output shaft is in transmission fit to output power to a differential mechanism, according to the two-gear speed changing box, the output power of a power device is not required to be cut off, the switching between the slow gear and the rapid gear can be directly conducted, the power output of the power device is kept and matched with the running road condition, the jerking sense is reduced, controllability is improved, the driving comfort of a motor vehicle is improved, the power device can stably run for a long period, the service life of the power device is prolonged, and driving energy resources are saved. Further, the joint between the gears is smooth and stable, power consumption in climbing is reduced, power of the power device is fully utilized on the flat ground, driving and gear shifting of the motor vehicle are more stable and smooth, and the aims of saving energy, being environmentally friendly and reducing the use cost are achieved.

The invention relates to a brake actuating mechanism for a distributed electronic hydraulic brake system of an automobile, and belongs to the technical field of automobile manufacturing. The mechanism comprises a shell, a piston, a driving device, a direct current motor, a solenoid valve and an oil can; the shell comprises a right end surface, a step hole consisting of a left round hole, a middleround hole and a right round hole and an oil storage cavity separated by the step hole; the piston and the driving device are arranged in the step hole; a brake oil cavity is formed by the piston andthe left round hole; the piston is connected with the driving device; the driving device is connected with the direct current motor; the solenoid valve and the oil can are respectively arranged at the outer sides of the shell; the oil storage cavity is communicated with the oil can; the lower part of the oil storage cavity and the upper surface which is close to the left end of the brake oil cavity are respectively provided with a horizontal through hole and a vertical through hole which are communicated with the solenoid vale; and oil outlet holes and safety holes are respectively arranged on the left surface of the brake oil cavity and below the wall of the intermediate round hole. The brake actuating mechanism provided by the invention has a simple and compact structure, can rapidly establish brake hydraulic pressure, and is beneficial for shortening the brake distance and increasing the running safety.

The invention discloses a rail robot power driving mechanism and system and a rail robot. The power driving mechanism comprises a rail travelling driving device and a main frame, a guiding wheel assembly and a pair of sliding grooves are formed in the main frame, connecting columns extending horizontally are arranged on the two sides of the rail travelling driving device, the connecting columns are slidably formed in sliding grooves, a rail mounting station is formed between the guiding wheel assembly and a rail travelling component of the rail travelling driving device, a pressure adjusting device for adjusting the friction of the rail mounting station is arranged at one end of each sliding groove, and the connecting columns are ejected or supported on the pressure adjusting devices. According to the rail robot power driving mechanism, the friction adjustment is achieved according to the pressure of a slope adjusting and pressure adjusting device, the driving ability of climbing the steep slope can be improved, the driving energy consumption of a flat straight rail can be reduced, the two pressure adjusting devices can be adjusted so as to reduce the distortion degree of steeringtravelling with different pressures, the amount of bend travelling wear is reduced, the service life of driving wheels is prolonged, and the environmental adaptability of the power driving mechanism is greatly improved.

The invention discloses an arc extinguishing power device driving device and an arc extinguishing device, belongs to the field of electricity, and particularly relates to an arc extinguishing power device driving device suitable for being used in an electronic arc extinguishing device and for driving an power device. The to-be-driven power device is parallel to a mechanical switch needing arc extinguishing, the arc extinguishing power device driving device includes a first voltage detection switch, the input end of the first voltage detection switch is connected with the two ends of the power device, the first voltage detection switch is connected in series in a driving circuit of the power device and is conducted when it is detected that a potential difference exists between the two ends of the power device, a driving signal is transmitted to the power device through the first voltage detection switch, the power device is driven to be conducted, and the first voltage detection switch is of a half controlled type switch or a full controlled type, wherein the threshold value of the full controlled type first voltage detection switch is smaller than the on-state voltage of the power device. The arc extinguishing power device driving device has the advantages that a semiconductor device high in voltage resistance is not required, disconnected state of a mechanical switch can be detected in real time, and the driving energy consumption is low.

The invention provides a vector control system, a control method and device, an air conditioner and a storage medium. The vector control system comprises a control module and a variable frequency drive module, wherein the control module comprises a weak magnetic current, a maximum torque current ratio control unit and an adjustment module; the variable frequency drive module receives an input pulse width modulation signal and is used for inverting the DC signal into a three-phase AC signal to input the signal in a permanent magnet synchronous motor, wherein the current output of the three-phase AC signal is increased by injecting the weak magnetic current so as to make the permanent magnet synchronous motor generate heat. The vector control system increases the current output of the three-phase AC signal by injecting a weak magnetic current into the permanent magnet synchronous motor such that the permanent magnet synchronous motor can generate heat, which realizes the function of low-temperature heating only needing to increase the weak magnetic current by means of software control with no need to modify the existing compressor structure. And the vector control system is applied to the outdoor unit of the air conditioner, which helps to reduce the production cost of the enterprise with a simple structure and is easy to implement.

The invention discloses an all-wheel independent driving articulated vehicle differential cooperative steering system with articulated steering and steering trapezoidal steering, comprising: a front vehicle body and a rear vehicle body articulated by a connecting shaft; a hydraulic steering system, which is arranged between the front vehicle body and the rear vehicle body; a signal acquisition module arranged at a drive wheel for detecting drive wheel steering information; a differential cooperative steering system controller connected to a signal acquisition module for receiving detecting data of the signal acquisition module and making control decisions; a plurality of drive wheel motors respectively connected to the drive wheels for driving the drive wheels to rotate independently; a drive wheel motor controller connected with the differential cooperative steering system controller and a drive wheel motor for controlling the drive wheel to be independently driven. The invention alsoprovides a control method for the all-wheel independent driving articulated vehicle differential cooperative steering system with articulated steering and steering trapezoidal steering.

The invention discloses a differential coordinated steering system of a hinged steering vehicle independently driven by a single axle. The differential coordinated steering system is matched with an original hydraulic steering system of the hinged steering vehicle to effectively improve steering flexibility of the hinged steering vehicle and lower steering energy consumption. The invention furtherdiscloses a control method of the differential coordinated steering system of the hinged steering vehicle independently driven by the single axle. A proportional controller is used for calculating proper differential torque according to the angular speed of a steering wheel, and the differential torque is applied to driving wheels on the left and right sides of a driving axle, so that the torqueof the driving wheel on one side is increased while the torque of the driving wheel on the other side is reduced, and a direct yawing moment is formed and coordinately acts with the hydraulic steeringsystem to achieve vehicle steering; and the purposes of shortening steering time and lowering energy consumption of the hydraulic steering system are achieved.

The invention relates to a brake actuation mechanism employing a center valve piston and belongs to the technical field of manufacturing of automobiles. The mechanism comprises a shell, the center valve piston in which a control pin hole is formed, a driving device, a direct current motor and an oil pot, wherein the shell comprises a right end face, a stepped hole consisting of a left round hole, a middle round hole and a right round hole, and an oil storage chamber; the center valve piston and the driving device are arranged in the stepped hole; the center valve piston and the left round hole form a brake oil chamber; the center valve piston is connected with the driving device; the driving device is connected with the direct current motor; the oil pot is arranged on the outer side of the shell; the oil storage chamber is communicated with the oil pot; a vertical through hole which is communicated with the control pin hole of the center valve piston is formed on the lower part of the oil storage chamber downwards; and an oil outlet is formed on the left side of the brake oil chamber. The brake actuation mechanism has a simple and compact structure, has the advantage of low cost, makes brake hydraulic pressure rapidly established, contributes to reduction in brake distances and improves driving safety.

The invention discloses an ultrathin vacuum pipe traffic isolation door capable of being embedded in a rail gap. The ultrathin vacuum pipe traffic isolation door capable of being embedded in the railgap comprises a door chamber arranged on a joint of two sections of vacuum pipe, the door chamber comprises an upper half door chamber and a lower half door chamber, an isolation door is arranged in the upper half door chamber, a traction motor is connected to the upper part of the upper half door chamber, the traction motor is connected with the isolation door, thickness of the isolation door isless than 3 mm, and the isolation door is hidden in the lower half door chamber, and the upper edge of the isolation door is parallel and level with and fits tightly with the upper surface of a rail under the opening condition of the isolation door; and when the isolation door needs to be closed, the isolation door is lifted upward until the isolation door is totally closed on a corresponding fracture surface in the vacuum pipe. According to the ultrathin vacuum pipe traffic isolation door capable of being embedded in the rail gap, a driving mode of the isolation door driving a linear motor may be adopted to drive the isolation door to move upward and downward, and the ultrathin vacuum pipe traffic isolation door capable of being embedded in the rail gap is suitable for a plurality of railforms, guarantees that a train moves smoothly and steadily, is of a light structure, has low cost of material consumption, and is convenient to open and close rapidly.

The present invention belongs to the technical field of energy recovery, and in particular provides an energy recovery system for an extended-range electric vehicle. The extended-range electric vehicle includes a turbine engine (100), a generator (200), a battery pack (300), a drive motor (400), wheels (500) and a control device (700); the energy recovery system includes a thermal element (600), the thermal element (600) is connected with the control device (700) and the turbine engine (100), and used for converting braking energy of the wheels (500) into thermal energy for heating intake airof the turbine engine (100). According to the invention, the braking energy of the extended-range electric vehicle is converted into heat energy by installing the thermal element, and is used for secondary heating of the gas entering a combustion chamber, thereby improving the temperature of intake air of the combustion chamber, so as to improve the power generation of the unit fuel, the enduranceof the extended-range electric vehicle is prolonged.

The invention discloses a mobile charging vehicle path planning algorithm based on a one-to-many charging technology. All one-to-many charging stop points are selected through a stop point selection algorithm of multiple sensor nodes in the intersected charging range; all one-to-one charging stop points are selected through a stop point selection algorithm of isolated sensor nodes; the one-to-manystop points and the one-to-one stop points jointly form a stop point set of a mobile charging vehicle; and a shortest charging path of the mobile charging vehicle is a shortest Hamilton loop obtainedby traversing all the stop points by taking service station nodes as starting and ending nodes. According to the mobile charging vehicle path planning algorithm, the charting time is shortened, the driving path of the mobile charging vehicle is shortened, the driving energy consumption is reduced, and the charging efficiency and the charging planning extensibility are improved.

The invention discloses a rotary quick uniform low-energy heating furnace structure for metal billets and is applicable to the field of metal forge and press. The rotary quick uniform low-energy heating furnace is characterized in that the rotary quick uniform low-energy heating furnace structure is provided with layered hot-air inlet air deflectors (1), a layered circular air deflector (2), biarc inner air deflection walls (3), a central closed air deflection cylinder (5), an outer air deflection wall (6), double horizontal air-return passages (8), return hot-air inlet structures (9), a rotary spindle (14), a long round pipe set (10) supporting multilayer horizontal ring sets (11), and short round pipe sets (15) supporting a rack storing billets (17). The outer air deflection wall is provided with multiple layers of furnace doors (18), a driving mechanism drives the spindle (14) to rotate, a heating device provides hot air, and the hot air circulates by a fan. The problems about high-speed uniform distribution of hot air, quick and uniform heating, efficient low-energy utilization, air leak and suction of the furnace doors are solved. The heating furnace structure is compact, low in hot-air flow resistance and energy consumption, fast and uniform in heating and quite applicable to heating aluminum alloy bars.

The invention discloses a combined drop-driven biological rotating disk reactor which comprises a tank body (1), wherein the tank body (1) comprises a rotating disk region (2) and a drive region (3); a rotating disk (201) is arranged in the rotating disk region (2) through a rotating shaft (6); a drive disk (301) for driving the rotating disk (201) to rotate is arranged in the drive region (3); the liquid level of the drive region (3) is arranged below the drive disk (301); the bottom of the drive region (3) is provided with an auxiliary filler oxidation region (302) for degrading the sewage; and the front end of the auxiliary filler oxidation region (302) is provided with a water outlet tank (303) for controlling the liquid level of the drive region (3). By adopting the drive disk and rotating disk function division, the liquid level of the drive region is on the bottom of the drive disk, thereby eliminating the resistance of water to the drive unit, enhancing the rotation speed of the rotating disk, and obviously enhancing the oxygenation rate. The auxiliary oxidation filler region is utilized to reinforce the removal of organic substances in the sewage, thereby being beneficial to enhancing the nitrification properties of the reactor.

The invention provides an upward-and-downward air outlet air conditioner indoor unit, a control method and an air conditioner. The air conditioner indoor unit comprises a bottom shell and a panel body; a first air outlet is formed in the lower end of the bottom shell or the panel body; a first air deflector is further arranged at the first air outlet; a panel and a flow guide wall are arranged ina spaced manner; an upper air duct is formed between the panel and the flow guide wall and communicates with the first air outlet; a second air outlet is formed between the upper end of the panel andthe flow guide wall; a side air outlet is formed in the side surface, in the horizontal direction, of the panel body or the side surface, in the horizontal direction, of the bottom shell; and the sideair outlet communicates with the upper air duct. According to the indoor unit, single-upward-air-outlet, single-downward-air-outlet and upward- and-downward-air-outlet are achieved, and cold air is prevented from blowing heads; the air can be independently or simultaneously discharged in the upward direction, the downward direction, the leftward direction and the rightward direction, the air supply range is effectively enlarged, air flow distribution in a room is more uniform, the air blowing feeling and temperature distribution are more uniform, the comfort degree is higher, and the heat exchange efficiency of the room is further improved.

The invention provides an arm frame type trawler and belongs to the technical field of ships. The arm frame type trawler comprises a hull structure and two trawling arm frames. The lower ends of the two trawling arm frames are hinged to the two sides of the hull structure. Floating mechanisms are arranged at the tops of the trawling arm frames. Each floating mechanism comprises a floating box. A hydraulic lifting platform is arranged on the lower side face of each floating box. A lifting board is arranged at the lower end of each hydraulic lifting platform. First through holes are formed in the periphery of each lifting board. Sliding rods are inserted in the first through holes. Baffles are arranged at the upper ends of the sliding rods. The size of each baffle is larger than that of eachfirst through hole. The lower ends of the sliding rods penetrate through the first through holes and are hinged to floating bodies. The sliding rods are provided with reset springs. The reset springsare located between the baffles and the lifting boards. An air bag is arranged between each floating body and the corresponding lifting board. An electric air pump is arranged on the upper side faceof each floating box. An exhaust pipe of each electric air pump communicates with the corresponding air bag. The floating mechanisms in the arm frame type trawler achieve a good supporting effect in the trawler trawling operation process, and the ship navigation stability is improved.

The invention discloses a line-merging control mechanism. The line-merging control mechanism comprises a towing hook line main rail and a line-merging line branch rail. A towing hook driving line is arranged on the towing hook line main rail, wherein a number of towing hooks are driven to run along the towing hook line main rail by the towing hook driving line. A cyclic towing hook driving line isarranged on the line-merging line branch rail, wherein a number of the towing hooks are driven to run along the line-merging line branch rail by the cyclic towing hook driving line. The line-mergingline branch rail is in merging connection with the towing hook line main rail. The line-merging control mechanism further comprises a first detection sensor for detecting carriers running on the towing hook line main rail. The first detection sensor is arranged at the front end of a connection portion of the towing hook line main rail and the line-merging line branch rail. The line-merging controlmechanism further comprises a stopping mechanism used for stopping the carriers from running along the line-merging line branch rail. The carriers are controlled to run on the line-merging line branch rail by the stopping mechanism according to detection signals of the first detection sensor. According to the line-merging control mechanism, through automated detection and the control mechanism, carriers on the line-merging line branch rail are prevented from generating interference to the carriers on the towing hook line main rail when merging to the towing hook line main rail; and normal operation of the line-merging mechanism is guaranteed.

The invention relates to a system for automatically running vehicles in rows. The system comprises a plurality of vehicles running in rows, a positioning and steering control module, a cooperative driving and braking module, a safety module, a hinge piece and a charging module. Meanwhile, the invention further relates to a control method of the system for automatically driving the vehicles in rows, all modules are adopted for driving, and the vehicles can run in rows under high-precision positioning. According to the invention, the driving load can be greatly reduced, the safety control performance is improved, the driving energy consumption is reduced, and the driving mileage is increased; the energy can be saved by 10%-30% due to the specific flow field characteristic of the automatic row driving vehicle system, the system is applied to electric vehicles, mileage is greatly increased, the system is applied to trucks, and cost is greatly reduced.

The invention provides a control system of an unmanned aerial vehicle capable of vertically taking off and landing. A fixed wing system and a vertical take-off and landing system are arranged on the unmanned aerial vehicle body at the same time, the unmanned aerial vehicle is controlled to operate in a vertical take-off and landing mode during take-off and landing, and take-off or landing is achieved through the vertical take-off and landing system; in the process that the unmanned aerial vehicle rises to a certain height and flies, the unmanned aerial vehicle is controlled to operate in a fixed wing mode, driving force is output through an obliquely-arranged fixed wing propelling device to drive the unmanned aerial vehicle to fly, and driving energy consumption is reduced. According to the unmanned aerial vehicle control system provided by the invention, various external devices can be conveniently carried, loaded and unloaded, the energy consumption required by flight is lower, and due to the arrangement of the vertical take-off and landing system, take-off and landing can be conveniently carried out in a small space.

The invention relates to an optimized energy circulating system for converter flue evaporation cooling, comprising a steam tank (1), and a water feeding circuit, forced circulation cooling water circuit, and a natural circulation cooling water circuit with surplus energy from high to low, wherein the water supply circuit comprises a water inlet pipe (25), a water feeding pump (26) and a high pressure water feeding pipe (27); the forced circulation cooling water circuit comprises a circulating pump (3), a fume hood cooler (6) and a lower flue cooler (9) arranged from the steam tank (1); the natural circulation cooling water circuit comprises a natural circulation down pipe (19), an upper flue cooler (22) and a natural circulation rising pipe (23) from the steam tank (1) to the steam tank (1); and energy transmission devices (12, 20) are connected in the circuit with relatively low surplus energy in series, and the outlet of the circuit with relatively high surplus energy is connected with the energy transmission devices in T-shaped manner. The inventive energy circulating system can take full use of the surplus energy in the feed water and the forced circulation cooling water, so as to enhance cooling effect and reduce energy consumption of the cooling system.

The invention provides a self-adaptive load-carrying vehicle, a method, equipment and a storage medium, and the vehicle comprises at least two drive axles which are disposed on a frame and are arranged in the length direction of the vehicle; and the at least one driven axle which is arranged on the frame in a liftable manner, the driven axle is switched between a driven state in which the wheels are in contact with the ground and a suspension state in which the wheels leave the ground according to load information, and the length of a first whole vehicle axle distance of the vehicle when the driven axle is in the driven state is greater than that of a second whole vehicle axle distance of the vehicle when the driven axle is in the suspension state. Driven axle lifting can be achieved according to self-adaptive loads, the effect that the number of tires participating in work is reduced during light load or no load is achieved, and therefore abrasion of the tires is reduced to a large extent, meanwhile, a vehicle can obtain a smaller turning radius, and the flexibility of the vehicle is improved; and the running energy consumption of the vehicle in a light-load or no-load state is integrally reduced, and the economic performance is improved.

The invention discloses an energy management internet managed waste heat driven power generation, heating, cooling, vapor generation, water generation, material manufacturing and sewage treatment cogeneration system. According to the system, heat recovery devices of various types are integrated, and the devices are enabled to be multi-functional; an energy management internet is established for remote energy management; the integrated system continuously switches and recycles industrial waste heat and environmental released heat, and outputs the functions such as power generation, heating, cooling, vapor generation, water generation, material manufacturing and sewage treatment in divided periods and continuously according to technological requirements; hot water with various temperatures is provided; and the basis industrial power requirement is met on line, the driving energy consumption, environmental released heat, transmission loss and system investment are reduced, the energy saving and environmental protection are achieved simultaneously, the system use ratio and return rate are improved in multiplies, and the investment payoff period is shortened.

The invention provides a vertical air outlet air conditioner indoor unit, a control method and an air conditioner. The air conditioner indoor unit comprises a bottom shell and a panel body, wherein afirst air outlet is formed in the lower end of the bottom shell or the panel body; a first air guide plate is further arranged at the first air outlet; the air conditioner indoor unit further comprises a flow guide wall and at least two front side air guide plates; the front side air guide plates and the flow guide wall are arranged in a spaced manner, and an upper air flue is formed between the front side air guide plates and the flow guide wall; a second air outlet is formed between the upper ends of the front side air guide plates and the flow guide wall; the first front side air guide plate can move so that a first front side air outlet can be formed between the first front side air guide plate and the second front side air guide plate; and the second front side air guide plate can move so that a second front side air outlet can be formed in the lower end of the second front side air guide plate. By means of the vertical air outlet air conditioner indoor unit, single-upper air outlet, single-lower air outlet and vertical air outlet are achieved, and cold air is prevented from blowing the head; and the inner air supply range in the height direction of the air conditioner can beenlarged, layered air supply is achieved, the air blowing feeling and temperature distribution are more uniform, and cavity noise can be reduced or eliminated.

The invention provides a light-weight noise-reducing semi-aromatic nylon material and its preparation method and application; the nylon material comprises the following components: 60-70 parts of semi-aromatic nylon, 10-20 parts of glass beads, 10-30 parts Glass fiber, 0.2-0.5 part of lubricant, 0.5-1 part of antioxidant and 0.5-1 part of coupling agent; the preparation method comprises: mixing semi-aromatic nylon, lubricant, antioxidant and coupling agent uniformly to obtain Premix, add the premix from the main feeding port of the twin-screw extruder, add glass microspheres and glass fibers from different side feeding ports of the twin-screw extruder, and pass through the twin-screw extruder Melt extrusion and granulation to obtain lightweight noise-reducing semi-aromatic nylon material; the light-weight noise-reducing semi-aromatic nylon material of the present invention also has lighter weight and certain noise reduction while ensuring certain mechanical properties Function, when used to manufacture mechanical parts, it can realize the light weight and vibration and noise reduction functions of the mechanical parts.

The invention discloses a bionic rope-driven four-degree-of-freedom arm for man-machine cooperation. The degree of freedom of an elbow joint is one, and the degree of freedom of a wrist joint is three. All joints are driven in a rope transmission mode, the elbow joint is achieved through a tangent circle rolling mechanism, meanwhile, a movable pulley transmission structure is designed to achieve joint rigidity and torque amplification, and three degrees of freedom of the wrist joint are achieved through cooperation of a three-connecting-rod parallel mechanism and an universal joint. All jointdriving motors are arranged at shoulder structures, so that the motion inertia of the arm is effectively reduced, and the rope length change between the joints is decoupled and is convenient to control. Compared with an existing motor-driven cooperative robot, the arm has the advantages of being high in movement flexibility, high in movement flexibility, small in movement inertia, large in load self-weight ratio and the like, and the safety coefficient and the working performance of the robot in the field of man-machine cooperation are effectively improved.

The invention discloses a driving method and device of a semi-control type device and a mixed device, belongs to the field of electricity, and particularly relates to a driving method which is applied to a tiny non-driving dead zone or a driving dead zone of a semi-control type device of a silicon controlled rectifier and the like, a semi-control type driving device applied to a tiny non-conduction dead zone and a conduction dead zone used in the driving loop of the semi-control device of the silicon controlled rectifier and the like, and a mixed type device of the tiny non-conduction dead zone or the conduction dead zone. According to the driving method of the semi-control type device, a voltage detection switch is adopted, the input end of the voltage detection switch is connected to the two ends of the semi-control device to be driven, the voltage detection switch is connected to the driving loop of the semi-control type device in series, the potential difference of the voltage detection switch at the two ends of the semi-control type device is no larger than the conduction when the semi-control type device is at on-state voltage, and the voltage detection switch cuts off after detecting that the semi-control type device is conducted. The driving method and device of the semi-control type device and the mixed type device have the advantages that the non-driving dead zone or the driving dead zone is tiny.

The invention discloses an electronic control auxiliary wood board cutting device and relates to the technical field of wood board processing devices. The electronic control auxiliary wood board cutting device comprises a base platform. A conveyor belt and a protective cover are mounted on the base platform. The two ends of the protective cover are provided with openings allowing the conveyor beltand wood boards to be processed to go in and out. A driving device is fixedly connected to the interior of the base platform. The output end of the driving device is connected with an output shaft. The two ends of the output shaft are rotatably connected to the interior of the base platform, and the output shaft is coaxially and fixedly connected with a cutter and provided with a torsion sensor.The cutter is located in the protective cover. According to the electronic control auxiliary wood board cutting device, a chopping plate generates pressure to the two sides of a crack of a wood board;the pressure increases gradually to approach strain energy at which the crack of the wood board is about to be split; in the process, the resistance, borne by the cutter, of the wood board to be processed decreases continuously; and thus, the service life of the cutter can be prolonged, driving energy consumption of the driving device is reduced, and the cutting and processing cost of the wood board is reduced.