1074results about How to "Easy to drive" patented technology

The invention discloses an energy storage lithium battery device capable of rapidly dissipating heat and cooling, and relates to the technical field of energy storage batteries, the energy storage lithium battery device comprises an energy storage lithium battery main body, a protective shell and a sealed liquid storage box, the bottom of the energy storage lithium battery main body is connected with the protective shell in a wrapping manner, and air cooling heat dissipation mechanisms are mounted on two sides of the protective shell; and the middle part of the bottom end of the protective shell is fixedly connected with a sealed liquid storage tank. Transmission gears at the two ends can be driven to rotate through a double-head servo motor and a motor rotating shaft, so that a driven gear block and a first cooling fan can be conveniently driven to rotate, and heat generated by an energy storage lithium battery main body in the protective shell can be dissipated to realize efficient air-cooling heat dissipation; and meanwhile, when the conveying hose is extruded, the heat dissipation liquid in the sealed liquid storage tank is extracted and circulates in the liquid cooling heat exchange pipe, and the heat dissipation liquid can absorb heat in the protective shell in the circulation process to achieve liquid cooling heat dissipation.

The invention discloses a vibration device and electronic equipment, the vibration device comprises a vibrator assembly and a stator assembly, the vibrator assembly comprises a moving magnetic part, the stator assembly comprises an iron core and a coil wound on the iron core, the vibrator assembly and the stator assembly are arranged at intervals along a second direction, and the vibrator assembly vibrates along a third direction perpendicular to the second direction. The axial direction of the iron core is parallel to the third direction, at least one end of the iron core along the third direction is provided with a fixed magnetic part, and the fixed magnetic part and the moving magnetic part form a magnetic loop; the magnetizing direction of the fixed magnetic part is parallel to the third direction; the movable magnet and the fixed magnetic part form four closed magnetic circuits penetrating through the coil, and the four closed magnetic circuits are located in four directions of the coil, so that the magnetic leakage of the product can be effectively reduced, the utilization rate of the magnetic field is improved, and the driving force of the product is improved.

The invention relates to automatic welding equipment for oil and gas pipelines and a welding method.The automatic welding equipment for the oil and gas pipelines comprises a horizontal supporting plate, a fixed supporting plate, a sliding supporting plate, a driving mechanism, a pipeline supporting rod and a plurality of supporting rod assemblies, and the fixed supporting plate is fixed to the upper surface of one end of the horizontal supporting plate; the sliding supporting plate is slidably connected to the upper surface of the other end of the horizontal supporting plate and can be close to or away from the fixed supporting plate. The driving mechanism is installed on the fixed supporting plate, the driving end of the driving mechanism is connected with one end of the pipeline supporting rod, a rotating bearing is arranged at the other end of the pipeline supporting rod, a containing groove used for containing the rotating bearing is formed in the upper end of the sliding supporting plate, and the pipeline supporting rod and the horizontal supporting plate are arranged in parallel. The multiple supporting rod assemblies are arranged on the outer surface of the pipeline supporting rod and can move in the radial direction of the pipeline supporting rod. The welding point at the joint of the first oil-gas pipeline and the second oil-gas pipeline is more accurate, the welding use standard of a user can be met, and the welding requirement of the user for the pipeline is met.

The utility model discloses an aviation aluminum alloy pipe type casting polishing device which comprises a base, two sets of supporting seats are arranged on the base, two sets of first electric push rods are symmetrically arranged on the two sets of supporting seats through supporting grooves, supporting roller sets are arranged at the output ends of the first electric push rods, and a second electric push rod is arranged above the base through a mounting frame. A driving roller set is arranged at the bottom end of the second electric push rod, an external grinding block is arranged on one side of the middle of the supporting base and the driving roller set, a movable driving structure is arranged in cooperation with the external grinding block, and a mounting base is arranged on one side of the base through a third electric push rod. A first motor, a fourth electric push rod and an internal grinding roller which are sequentially connected are arranged on the mounting base, flexible supporting and rotating driving of the aviation aluminum alloy pipe type casting during grinding can be achieved, meanwhile, synchronous grinding of the interior and the outer wall of the aviation aluminum alloy pipe type casting can be achieved synchronously, and the machining efficiency is improved.

The invention discloses a multifunctional underwater vehicle. The multifunctional underwater vehicle comprises a ship body, a propeller, a rotating driver and a control device, a ship sealing cavity is formed in the ship body, a driving opening is formed in the outer side wall of the ship body, and the ship sealing cavity communicates with the driving opening; the driving openings are formed in the left side and the right side of the ship body in the advancing direction, and the driving openings in each side are arranged in pairs and distributed on the same straight line according to the front-back relation. The rotating drivers are arranged in the ship sealing cavity, and each driving opening corresponds to one rotating driver; the output end of each rotating driver horizontally extends out of the driving opening, is connected to the propeller and is used for driving the propeller to rotate by any angle; the control device is in communication connection with the rotating driver and the propeller. According to the scheme, one or more propellers are independently adjusted according to needs during underwater navigation of the underwater vehicle, so that rotation, constant-speed driving, accelerated driving, deep diving and floating are achieved during underwater navigation, and the problem that the underwater navigation function is insufficient due to the fact that the propellers of an existing underwater vehicle are single in function is solved.

The invention discloses a sound production monomer and electronic equipment, and relates to the technical field of sound energy conversion, the sound production monomer comprises a shell, a magnetic circuit system and a vibration system, the magnetic circuit system comprises a support plate, a center magnetic circuit and a side magnetic circuit, the support plate is made of a magnetic conductive material, and a magnetic gap is formed between the center magnetic circuit and the side magnetic circuit; the central magnetic circuit comprises a first magnet, a concentrating flux plate and a second magnet, the side magnetic circuit comprises a first side magnet, a middle side magnet and a second side magnet which are sequentially arranged in the first direction, and the side magnetic circuit can form a magnetic field enhancement side facing the magnetic gap; the vibration system comprises a vibrating diaphragm and an annular voice coil used for driving the vibrating diaphragm to vibrate in the first direction, one end of the annular voice coil is connected with the vibrating diaphragm, and the other end is located in the magnetic gap. The magnetizing directions of the magnets in the center magnetic circuit and the side magnetic circuits are designed, so that magnetic lines of force can be focused at the position of the magnetic conductive plate, the intensity of a magnetic field is greatly improved, a magnetic field enhancement side facing a magnetic gap is formed, and the acoustic performance of the loudspeaker is improved.

The invention discloses a high-adaptability variable-rigidity flexible manipulator and a grabbing method thereof, and relates to the technical field of robot end execution. Comprising a plurality of rope-driven flexible grabbing fingers connected to the high-adaptability attaching transmission structure. The rope-driven flexible grabbing finger comprises a multi-joint movable rigid phalanx, a flexible adaptive contact layer and a special-shaped channel air bag. The high-adaptability attaching transmission structure comprises a transmission cavity formed by connecting a flexible attaching silicon rubber sleeve and a fixed bottom plate seat, and a plurality of connecting rods and a plurality of soft springs are arranged in the transmission cavity. The contact face of the mechanical arm and an object is made of a flexible material, flexible contact can be achieved, the high-adaptability attaching transmission structure can be well attached to the grabbed object, the grabbing attaching degree is increased, the grabbing adaptability is improved, meanwhile, under the influence of the air bag and the variable-rigidity structure, rigidity change can be achieved in the bearing process, and the mechanical arm is more flexible. And the bearing capacity of the manipulator is improved.

The invention provides a method for repairing decommissioned lithium iron phosphate positive electrode black powder through low-temperature recrystallization, a lithium iron phosphate positive electrode material and application of the decommissioned lithium iron phosphate positive electrode material, and the method comprises the following steps: step 1, sieving collected decommissioned battery black powder containing lithium iron phosphate, removing large current collector aluminum strip residues in the black powder, and reducing the content of metal Al elementary substance to be less than 1000ppm to obtain a lithium iron phosphate positive electrode material; the black powder with low Al content is obtained; 2, adding the black powder with low Al content, a lithium salt containing a certain amount of LiNO3 and a carbon source into a ball milling tank, and carrying out ball milling for a period of time to obtain a ball-milled mixture; 3, the ball-milled mixture is put into a muffle furnace to be calcined at the temperature of 250-350 DEG C, and after heat preservation is finished, a high-temperature calcined mixture is obtained; and 4, directly quenching and cooling the high-temperature calcined mixture, washing with water to remove impurities, filtering or centrifuging, and drying to obtain the repaired and regenerated lithium iron phosphate positive electrode material.

The invention discloses a fiber board thickness detection device and a use method thereof, and relates to the technical field of fiber board thickness detection.The fiber board thickness detection device comprises a workbench, a conveying belt used for horizontally conveying fiber boards is installed in the middle of the workbench, and a digital display controller is installed on one side of the workbench; the laser measuring mechanism is mounted at the top of the workbench, and the laser measuring mechanism measures the thickness of the surface of the plate in a corrugated multi-point trajectory manner; the marking mechanism is mounted at one end of the laser measuring mechanism; the closing mechanism is installed on one side of the laser measuring mechanism. According to the device, the laser measuring mechanism and the marking mechanism are arranged in a matched mode, the laser range finder can conveniently carry out corrugated track multi-point thickness measurement on a plate moving on the conveying belt, the phenomenon that the thickness of the plate is not uniform is reduced, the marking mechanism can mark unqualified products with the non-uniform thickness, and the production efficiency is improved. Qualified plates and unqualified plates can be quickly distinguished, and meanwhile, the plate thickness detection efficiency is improved.

The invention relates to the technical field of traditional Chinese medicine cabinets, and discloses a traditional Chinese medicine cabinet with an automatic medicine discharging function, the traditional Chinese medicine cabinet comprises a base, a cabinet body fixedly mounted on the base, a medicine receiving box and a clamping mechanism arranged on the medicine receiving box, a plurality of medicine storage assemblies are arranged on the cabinet body, each medicine storage assembly comprises a mounting box and a medicine storage box, and the mounting boxes are mounted in the cabinet body in an embedded manner; through the arrangement of a first rotating shaft, a driving roller and a third gear, a medicinal material vibration leveling mechanism is introduced, in the moving process of a medicine storage box, the design of the oval section of the driving roller enables a connecting base and the medicine storage box on the connecting base to conduct reciprocating lifting vibration, the problem of internal pits caused by medicinal material clamping is effectively solved, and the working efficiency is improved. And vibration of the transmission assembly and movement of the medicine storage box are driven through power of rotation of the second gear, an electric driving element does not need to be arranged in the mounting box for driving, and the overall production cost and maintenance cost are reduced.

The utility model relates to the related technical field of feed cleaning sieves, in particular to a combined feed cleaning sieve with adjustable screening aperture, which comprises a shell, a screening mechanism is arranged at one end of the shell, and a vibrating mechanism is arranged at one end of the shell. According to the combined feed cleaning sieve with the adjustable screening hole diameter, by arranging the screening plate, the screening holes, the sliding grooves, the sliding blocks, connecting grooves, screws, nuts, an adjusting plate, a first discharging plate and a second discharging plate, when screening work is carried out, the sliding blocks slide in the sliding grooves to drive the adjusting plate to move at one end of the screening plate; through arrangement of a connecting plate, a spring, a connecting block, a base, a connecting column, a motor, a rotating rod and an eccentric hammer, the motor enables the rotating rod to drive the eccentric hammer to rotate, rotation of the eccentric hammer can drive the connecting plate to vibrate at one end of the spring, and therefore the effect of adjusting the hole diameter of the screening hole is achieved. Therefore, the shell can be well driven to vibrate.

The invention relates to the technical field of valves, in particular to a gate valve with a buffering function, which comprises a valve body, an inlet end and an outlet end which are arranged on the valve body, and a gate plate which is arranged between the inlet end and the outlet end on the valve body in a lifting manner, the fixed circular plate is fixedly arranged on the valve body and located in the outlet end, the fixed rod is arranged on the left end face of the fixed circular plate, and the buffer circular plate is arranged on the fixed rod in a sliding mode and used for being pushed by water flow to slide rightwards on the fixed rod when the gate plate is opened. The compression buffer spring is arranged between the left end face of the fixed circular plate and the right end face of the buffer circular plate and used for buffering water flow impact when the buffer circular plate slides rightwards on the fixed rod and pushing the buffer circular plate to slide leftwards on the fixed rod when the gate plate is closed; an anti-falling plate is arranged at the position, located on the left side of the buffering circular plate, of the left end of the fixing rod and used for preventing the buffering circular plate from sliding leftwards on the fixing rod.

The utility model relates to the technical field of semiconductor manufacturing, and provides a wafer bonding jig and bonding equipment, and the wafer bonding jig comprises a jig body and an isolation unit. The jig body is provided with a bearing area; the isolation unit comprises an isolation base and an isolation piece; the isolation piece is arranged on the isolation base, the isolation base is movably arranged on the isolation base in the direction parallel to the bearing area, the isolation base is provided with a matching face, and the matching face faces the bearing area in the direction parallel to the bearing area. According to the utility model, the structure of the isolation unit is improved, so that the pressing head is linked with the isolation piece in the downward pressing process, and the downward pressing process of the pressing head and the pulling-out process of the isolation piece are kept synchronous.

The invention discloses a moving coil and moving iron combined ultrathin external damper-driven loudspeaker, which comprises a basin stand, an elastic sheet, a vibration assembly and a magnetic assembly, and is characterized in that the vibration assembly comprises a voice coil, cone paper and a damper, the cone paper is connected with the voice coil but not connected with the basin stand, the damper is connected between the cone paper and the basin stand, and the elastic sheet is arranged between the cone paper and the basin stand. The damper is exposed out of the basin stand; the magnetic assembly is connected to the basin frame through the elastic sheet and can vibrate relative to the basin frame. The cone frame and the cone paper are connected through the external damper, so that an ultra-thin structure can be realized; and the magnetic assembly and the voice coil vibrate together, so that the driving force can be greatly improved.

The invention relates to the technical field of jiggers, and discloses an exciting force driving type jigger which comprises two sets of racks and pool boxes, the two sets of racks are installed side by side, the pool boxes are arranged at the top ends of the racks, jigger boxes are installed at the top ends of the pool boxes, tailing discharging ports are formed in the side walls of the jigger boxes, and the side walls of the tailing discharging ports are provided with tailing discharging ports. Baffles are installed in the positions, on one side of the tailing discharging opening, of the jigger box. According to the scheme, top-mounted vibration motor type multi-stage efficient gravity separation of the exciting force driving type jigger is achieved, maximum extraction of fine concentrate and middle-layer concentrate is facilitated, the discharge amount of tailings is reduced, the driving mode is simple and efficient, the time for stopping the exciting force driving type jigger to maintain the screen is shortened, and the working efficiency of the exciting force driving type jigger is improved. The cleaning convenience of the screen of the exciting force driving type jigger is improved, the later maintenance and use cost is reduced, and the service life of the exciting force driving type jigger is prolonged.

The present invention belongs to the field of fast mechanical switch operating mechanism, and discloses an electromagnetic repulsion mechanism coil based on a slotted yoke, comprising: a coil frame, a baffle, a fastener, a winding coil and a yoke; the yoke is a radially slotted separate structure, a coil frame is arranged at the center of the yoke, the outside of the yoke is surrounded by fasteners and fixed together on the baffle, and a winding coil is arranged inside the yoke; the flow path of the induced eddy current in the yoke is increased by radial grooving, and the eddy currents in the yokes on both sides of the slots are in opposite directions, which offsets the demagnetization effect of the eddy current, reduces spatial magnetic leakage, improves energy conversion efficiency, and improves driving efficiency. The electromagnetic repulsion mechanism coil provided by the present invention can effectively reduce the eddy current loss and magnetic saturation effect of the yoke itself, help reduce spatial magnetic leakage, and improve the driving efficiency of the electromagnetic repulsion mechanism.

The invention discloses a friction stir welding stirring head capable of improving the flowing efficiency of base metal, which is characterized by comprising a friction stir welding stirring head body, the friction stir welding stirring head body comprises a clamping part, one end of the clamping part is provided with a spiral stirring needle, and the other end of the clamping part is provided with a stirring rod; the spiral stirring needle spirally shrinks towards the end part of the stirring needle, and a shaft shoulder part is arranged outside the radial peripheral surface of the spiral stirring needle; the shaft shoulder part is a concave surface inner asymptote groove shaft shoulder part; the spiral stirring needle is of a conical thread equally-divided three-section-shaped structure. And the end part of the spiral stirring needle is provided with a convex end head structure. According to the design of the end part of the stirring needle, the overall flowability of workpiece base metal can be effectively improved, a smaller crystal grain structure is generated, the forming is more stable, and the quality of a welding seam is enhanced.

The utility model relates to the technical field of pig feed stirring, and discloses a stirring device for pig feed processing, which comprises a tank body and further comprises a tank cover arranged at the top of the tank body, a driving part is arranged at the top of the tank cover, and a stirring part is arranged in the tank body; the dismounting assembly is arranged in the tank body and used for dismounting the stirring part, the dismounting assembly comprises a first connecting pipe, the first connecting pipe is arranged at the bottom of the driving part, the outer side of the first connecting pipe is fixedly connected with a clamping block, and the inner wall of the clamping block is fixedly connected with a second connecting pipe; by arranging the tank cover, the tank body can be conveniently sealed, pig feed is prevented from splashing, by arranging the driving piece, the stirring piece can be conveniently driven, by arranging the stirring piece, the pig feed can be conveniently stirred, by arranging the disassembling assembly, the stirring piece can be conveniently disassembled, and by arranging the damping assembly, the pig feed can be conveniently stirred. And the main body can be conveniently damped.

The utility model relates to the technical field of low-voltage electric appliances, and discloses a thermal tripping device of a molded case circuit breaker, which comprises a molded case base and a thermal tripping mechanism, the thermal tripping mechanism comprises a wire outlet terminal, a mounting hole is formed in the middle of the top of the wire outlet terminal, a bimetallic strip is fixedly connected to one side of the wire outlet terminal, and the bimetallic strip is arranged in the mounting hole. One side of the interior of the bimetallic strip is fixedly connected with a static iron core, the top of one side of the bimetallic strip is fixedly connected with a release push rod, the top of the release push rod is fixedly connected with an adjusting screw, and the bottom of one side of the bimetallic strip is fixedly connected with a flexible connection copper wire belt; according to the utility model, one side of the static iron core is arranged to be groove-shaped, the groove of the static iron core is matched with the bottom of the bimetallic strip, and the bottom of the release push rod is located in the middle of the bottom of the bimetallic strip, so that elements such as the bimetallic strip, the static iron core, the release push rod and the like can be accurately limited at opposite positions; and the consistency of the relative positions of the elements can be improved.

The invention relates to the field of monorail crane hoisting equipment, in particular to a mining monorail crane locomotive which comprises a locomotive body. The bearing box is connected to the locomotive body in a sliding mode and used for containing a storage battery, a storage cavity is formed in the locomotive body, the bearing box is located in the storage cavity, and an avoiding connector is further formed in the bearing box; the replacing mechanism is arranged between the locomotive body and the bearing box and used for moving the bearing box to the outer side of the locomotive body and meanwhile achieving lifting of the bearing box; and the storing and taking mechanism is arranged on the bearing box and used for fixing and taking out the storage batteries in the bearing box. The storage battery replacing device has the advantages that the storage battery of the monorail crane can be rapidly replaced, the monorail crane can continuously run, the idle time of the monorail crane is shortened, and the working efficiency of workers is improved.

The invention provides an automatic guided vehicle (AGV) and a path tracking control method and system thereof. The method comprises the following steps: S10, determining a system state matrix A and a control input matrix B of the path tracking control system of the AGV; s20, constructing a quadratic form performance index function of the AGV, and determining a state weighting matrix Q1 (t) and a control weighting matrix Q2 (t) according to the quadratic form performance index function; s30, solving a Riccati equation according to the system state matrix A, the control input matrix B, the state weighting matrix Q1 (t) and the control weighting matrix Q2 (t) to obtain a symmetric positive definite matrix P; s40, calculating a state feedback gain matrix K according to the symmetric positive definite matrix P, the control weighting matrix Q2 (t) and the control input matrix B, wherein the state feedback gain matrix K is used for defining optimal control input; s50, determining an optimal control law according to the state feedback gain matrix K; and S60, realizing AGV path tracking control according to the optimal control law. Therefore, the efficiency and the reliability of automatic guide transportation are improved.

The invention relates to a self-adaptive driving control method suitable for an H-bridge circuit. The method comprises the following steps: firstly, performing turn-off driving, and loading a target turn-off driving signal to a gate end of a target turn-off power tube based on turn-off information of the current target turn-off power tube so as to drive the target turn-off power tube to be gradually turned off based on the target turn-off driving signal; and when the turn-off information of the target turn-off power tube is at least in a pre-turn-off state, performing turn-on driving on a target turn-on power tube in the target turn-on bridge circuit tube group, and loading a target turn-on driving signal to the gate end of the current target turn-on power tube based on the turn-on state of the current target turn-on power tube so as to turn off the target turn-off power tube. And driving the current target conduction power tube to be gradually conducted based on the target conduction driving signal. Soft switching of the power tube in the H-bridge circuit is controlled, the working efficiency of the H-bridge circuit is improved, meanwhile, self-excitation resonance of the H-bridge circuit is prevented, and the dead time can change along with changes of external application conditions.

The utility model discloses an electric operating mechanism, which comprises a driving piece, the driving piece comprises a shell, and a motor and a reduction gear set are arranged in the shell; and the power of the motor is output through the reduction gear set. The reduction gear set comprises a turbine installed on an output shaft of the motor, the turbine is meshed with a first gear, the first gear is meshed with a second gear, the second gear is meshed with a third gear, and the third gear outputs power through an output gear. In conclusion, the output torque of the output gear can be increased while the transmission mechanism is simplified by utilizing the reduction gear set, so that the driving force of the driving mechanism is increased; therefore, the power consumption of the motor can be reduced while the output torque of the motor is improved. Based on the structure, the utility model has the advantages of simple structure, large output torque, compact structure and the like, thereby being worthy of popularization and application.

The invention provides a 360-degree looking-around image assisted reverse radar dynamic obstacle recognition method and system, and relates to the technical field of automobile communication transmission, and the method comprises the steps: fusing a first feature, a second feature and a third feature, and constructing a global pose map; processing through a DBSCAN clustering algorithm to obtain a preliminary recognition result of a dynamic obstacle, and combining a minimum convex hull method with a fuzzy line segment method to obtain an enveloping rectangular frame of the obstacle; inputting the geometric boundary information of the obstacle, the identity and the motion state of the obstacle, the environmental factors influencing the motion of the obstacle and the thermal characteristics of the obstacle into a deep reinforcement learning model for calculation, and obtaining a final optimized motion trail and behavior intention prediction to realize active obstacle avoidance and safe reversing. The method has the beneficial effects that the accuracy and the robustness of dynamic obstacle recognition are remarkably improved, the environment perception capability and the intelligent decision-making capability of the vehicle are enhanced, and important technical support is provided for an auxiliary driving system.

The invention discloses a piezoelectric motor and a camera module, and belongs to the technical field of camera modules. The piezoelectric motor comprises a fixed frame, a movable carrier, a driving assembly and a supporting assembly, the movable carrier is movably arranged on the fixed frame, the driving assembly is connected with the fixed frame and abuts against the movable carrier at the same time, and the supporting assembly is arranged between the fixed frame and the movable carrier. The supporting assembly is matched with the driving assembly to enable the movable carrier to be supported on the fixed frame, and the driving assembly and the supporting assembly are arranged on the same side of the piezoelectric motor. The camera module comprises the piezoelectric motor, a lens assembly arranged in the piezoelectric motor, and a photosensitive assembly arranged opposite to the lens assembly. The method has the advantages that the risk that the movable carrier inclines relative to the fixed frame is reduced, the supporting assembly is prevented from being stuck, and the photographing effect is improved.

The utility model discloses a new energy bus tire pattern and a tire thereof, and the new energy bus tire pattern comprises three longitudinal grooves which are longitudinally distributed on a tire tread in a surrounding manner, and each longitudinal groove is in a continuous multi-fold line structure shape; the transverse grooves are formed in the tire middle pattern blocks between the adjacent longitudinal grooves, and each transverse groove is of a V-shaped structure; the tire middle longitudinal grooves are communicated between the adjacent transverse grooves; and the tire middle transverse groove is communicated with the tire middle longitudinal groove in a crossed manner, and two ends of the tire middle transverse groove are respectively communicated with the corresponding longitudinal grooves. Compared with the prior art, the utility model has the beneficial effects that: by improving the groove structure design, the improved groove structure has better controllability and wear resistance.

The invention discloses an intelligent gravity center adjusting device for turning rollover prevention of a commercial vehicle, and belongs to the technical field of turning rollover prevention. Comprising a commercial vehicle, the commercial vehicle comprises a vehicle head, a vehicle body is arranged on one side of the vehicle head, a container is arranged at the top of the vehicle body, a driving assembly is fixedly installed between the container and the vehicle body, a plurality of first gravity center adjusting assemblies are fixedly installed on the two sides of the driving assembly, and second gravity center adjusting assemblies are fixedly installed at the two ends of the driving assembly; a detection assembly is fixedly installed on the side, close to the vehicle head, of the second gravity center adjusting assembly, the first gravity center adjusting assembly comprises a hydraulic telescopic rod, a second hinge joint is fixedly installed at the output end of the hydraulic telescopic rod, a second hinge seat is hinged to the second hinge joint, and the top of the second hinge seat is fixedly connected with the bottom of the container. According to the method, the stability of the commercial vehicle can be effectively improved, the rollover risk in the turning process is reduced, and the method has high practical value.

The invention relates to the technical field of reactor cooling, and provides a cooling circulation loop and a marine natural circulation cooling system. The cooling circulation loop comprises a first cooling pipe, a second cooling pipe, a heat pipe, a heat exchanger and a storage chamber; phase change heat storage particles with the density smaller than that of seawater are arranged in the material storage chamber; the heat exchanger is provided with an ascending pipe, one end of the first cooling pipe is connected with the inlet end of the ascending pipe, the other end of the first cooling pipe is used for being connected with hot hydrazine seawater, one end of the second cooling pipe is connected with the storage chamber, the other end of the second cooling pipe is used for being connected with the hot hydrazine seawater, and the storage chamber is provided with a discharging port which is connected with the inlet end of the ascending pipe. One end of the heat pipe is connected with the outlet end of the ascending pipe, and the other end of the heat pipe is used for being connected with hot hydrazine seawater. According to the cooling circulation loop and the marine natural circulation cooling system, the defect that in the prior art, the natural circulation heat transfer capacity cannot be greatly enhanced in the mode that a bubble lifting device is additionally arranged in the ascending section of a natural circulation system is overcome.

The invention discloses a multi-degree-of-freedom piezoelectric motor stator structure, a piezoelectric motor and a driving method, and different voltage signals are applied to piezoelectric patches around a stator to excite first-order extension and multi-order bending modal motion, so that a driving foot of the stator generates elliptical motion, and further a mover is pushed to move. Based on the two-degree-of-freedom piezoelectric stator, the two-degree-of-freedom piezoelectric stator is suitable for plane multi-degree-of-freedom driving and rotation multi-degree-of-freedom driving, and the applicable range of the piezoelectric stator is greatly widened; and the two driving modes are simple in structure assembly design, and are suitable for a microminiature multi-degree-of-freedom precision driving system. As the motor can meet the driving requirements of planar and rotary driving occasions, the assembly design requirements of the motor are greatly reduced, and decoupling movement in different directions can be realized; according to the multi-degree-of-freedom driving mode based on the two-degree-of-freedom piezoelectric stator, the design flexibility is high, and the performance of the motor is effectively improved.

The invention discloses a solar panel flexible driving structure based on carbon fibers on a spacecraft and a control method of the solar panel flexible driving structure. The flexible driving structure comprises composite fibers, a fixing unit and an electric control unit. The composite fiber has an initial twist and comprises a carbon fiber tow and a polymer, the polymer comprises PDMS, and the space between adjacent monofilaments is completely filled with the polymer; the fixing unit is used for bundling and fixing two end parts of the plurality of composite fibers into a whole and is in transmission connection with a solar panel and a spacecraft; the electric control unit is electrically connected with two ends of the fiber. By utilizing the characteristics of self-conduction, high driving force, high driving quantity, long cycle life and high environmental stability of the CF / PDMS composite fiber, the problems that various existing artificial muscle fibers are small in driving force, low in driving quantity and difficult to adapt to the outer space environment are solved, the driving quantity and the driving force are accurately controlled by controlling the voltage and the power-on time, and the mechanical property of the artificial muscle fiber is improved. And a better solution is provided for driving the solar panel of the spacecraft.