160results about How to "Small volume" patented technology

The invention discloses an integrated battery box body based on a double-circulation liquid cooling system, which comprises a box body, a battery area, a low-flow-rate pipeline, a high-flow-rate pipeline, a cooler and a liquid pump, a plurality of cooling plates are arranged in the battery area, and low-flow-rate flow channels and high-flow-rate flow channels are arranged in the cooling plates; the two ends of the cooling plate are provided with through openings and switching pipes which are in sliding sealing connection with the low-flow-speed flow channels and used for switching the high-flow-speed pipelines to be communicated with the high-flow-speed flow channels through sliding, and air bag assemblies used for pushing the switching pipes to slide through battery heat changes are arranged in the low-flow-speed flow channels. According to the invention, the battery box body is provided with a low-flow-rate pipeline and a high-flow-rate pipeline which can realize double circulation by only one liquid pump, so that the liquid cooling efficiency of the battery is enhanced; and the switching pipe and the airbag assembly are arranged in the cooling plate, so that the flow speed of the cooling liquid is automatically switched according to the battery temperature, and the liquid cooling efficiency of the cooling plate on the battery is enhanced.

The invention discloses a sewage sludge advanced treatment device, which belongs to the technical field of sludge treatment, and comprises a flocculation basin and a dehydration device, a concentration adjusting tank is arranged between the flocculation basin and the dehydration device, the inside of the tank is divided into a high-concentration area and a low-concentration area through a filter plate, the high-concentration area is provided with a first liquid inlet pipe, and the low-concentration area is provided with a second liquid inlet pipe; flowing into a dehydration device through a mixing pump; the filter plate is controlled by a driving mechanism to move so as to change the volume of the high-concentration area, and a first concentration detector is mounted on the first liquid inlet pipe and is used for moving the filter plate to reduce the volume of the high-concentration area when the first concentration detector detects that the concentration is lower than a threshold value; a control valve is installed on the second liquid inlet pipe and used for opening the control valve when the first concentration detector detects that the concentration is larger than the threshold value. The concentration regulating tank is arranged between the flocculation tank and the dehydration device to regulate the concentration of the sludge, so that the concentration of the sludge input into the dehydration device is stable, and the qualified rate of sludge caking is ensured.

The invention relates to the technical field of medical instruments, and discloses an isolation melting device and a pulp melting machine. The isolation melting device comprises a fixed frame which defines a mounting space; the movable support comprises a first support and a second support, one end of the first support is rotatably connected with one end of the second support, and the other end of the first support and the other end of the second support can move towards each other or away from each other; the bag body is provided with a bag opening and is connected with the first bracket and the second bracket; wherein the movable support can move into or out of the installation space, when the movable support moves into the installation space, the installation space limits the first support and the second support, the first support and the second support move oppositely, the bag body shrinks, and the area of the bag opening is reduced; when the movable support moves out of the installation space, the installation space relieves limiting of the first support and the second support, the first support and the second support move away from each other, the bag body expands, and the area of the bag opening is increased. Placement convenience of the plasma bag is improved, and heat exchange efficiency is improved.

The invention relates to the technical field of marinated product detection and sampling, and discloses a marinated product processing sanitary safety detection brine sampling device which comprises a plurality of rotating supports installed on a base, one end of each rotating support is connected with a sampling mechanism, the base is provided with an operating rod capable of moving vertically, and the operating rod is used for driving the rotating supports to rotate. The sampling mechanism comprises a sampling barrel movably connected to the rotating support and a capacity regulation and control assembly arranged in the sampling barrel, and the capacity regulation and control assembly comprises a rubber sheet fixedly connected with a barrel body. When the rotating support drives the sampling barrel to move downwards, the pull rope drives the valve plate to leave the barrel cover and drives the tip of the rubber sheet to be arranged upwards at the same time, so that the internal volume of the barrel is reduced, and when the barrel is full of brine and the rotating support rotates reversely, the valve plate abuts against the barrel cover, and meanwhile the tip of the rubber sheet is arranged downwards, so that the internal volume of the barrel is increased. The liquid level of the brine is lower than the port of the barrel, so that quantitative brine can be quickly obtained, and the brine is prevented from overflowing.

The invention discloses a distillation separation mechanism and method of a cyanate ester synthesis reaction device, and belongs to the field of cyanate ester synthesizing.The mechanism comprises a distillation assembly, a first collection assembly for collecting cyanogen chloride and hydrogen chloride, a second collection assembly for collecting bisphenol compounds and a third collection assembly for collecting cyanate ester, in the second collection assembly, a second condensation pipe is connected between a second collection cylinder and the distillation cylinder, a second condensation cylinder is sleeved on the pipe, a sliding plate in the second collection cylinder is connected with a piston rod and an insertion rod, and a tension spring is arranged between the piston rod and a piston cylinder. Pressure passes through the branch pipe to enable the piston rod to move downwards, the sliding plate to descend, the volume of the communication space to descend, boiling is slowed down, the insertion rod moves downwards to enable the second collection barrel to ascend, the condensation pipe to incline and liquid drops to flow back, and the cyanate collection amount is ensured.

The utility model provides a mechanical drainage shower device which comprises a water mixing device which comprises a water inlet end and a water outlet end, the water inlet end is connected with a cold water pipeline and a hot water pipeline, the water outlet end is connected with a main pipeline, and the main pipeline comprises a drainage branch and a plurality of water outlet branches. The pre-drainage device comprises a drainage valve, a water outlet valve, a drainage port, a drainage channel and a water outlet channel, the drainage channel and the water outlet channel are communicated with the drainage branch and the drainage port respectively, the drainage valve is used for controlling opening and closing of the drainage channel, and the water outlet valve is used for controlling opening and closing of the water outlet channel; the shell, the water mixing device and the pre-drainage device are both arranged in the shell, the shell is provided with a water outlet button used for controlling the water outlet valve, a pre-drainage switch and a plurality of shower switches, the pre-drainage switch and the shower switches are respectively used for controlling the water outlet branch and the water outlet branches to be opened and closed, and the water outlet branches and the water outlet are respectively connected to corresponding showers. Therefore, cold water pre-drainage of the shower device can be achieved through the mechanical switch, and the adaptability of the shower device to old users is improved.

The invention discloses an automatic heating wire welding device for electronic cigarette production, which comprises a welding table, a laser generator, a focusing tube and a supporting table plate fixedly mounted on one side of the welding table, mounting racks are arranged on two sides of the upper end of the focusing tube, and the mounting racks are fixedly mounted on the supporting table plate. Circuit data are monitored in real time through a power supply monitor, when a protective layer on the surface of a heating wire is thick and resistance is large, the voltage of current passing through an electromagnet is low, magnetorheological fluid flows slowly under the action of shear stress, a multistage electric push rod continuously pushes a piston piece to enable a pressing pipe to stretch out, and meanwhile the power supply monitor feeds back the data to a laser generator. And on the contrary, when the protective layer is thin and the resistance is small, the shear stress of the magnetorheological fluid is large, the multi-stage electric push rod stops pushing, the power supply monitor feeds back data, the laser generator reduces the power, and over-welding is prevented, so that the stable welding quality is ensured, and the reliability and the stability of welding of the heating wire and the electronic cigarette end are improved.

The utility model relates to a tubular ultrasonic coagulation inclined tube sedimentation tank, which belongs to the field of sewage treatment equipment and comprises a lifting pump, an ultrasonic generation component and an inclined tube sedimentation tank. The ultrasonic generation assembly comprises a frequency-adjustable ultrasonic generator, a tubular ultrasonic coagulation reactor, an ultrasonic transducer, an ultrasonic amplitude-change pole and an ultrasonic emission head; the ultrasonic emission head is connected with the tubular ultrasonic coagulation reactor, and the frequency-adjustable ultrasonic generator is connected with the ultrasonic transducer; the ultrasonic amplitude-change pole is connected between the ultrasonic transducer and the ultrasonic emission head; an outlet of the lifting pump is communicated with a water inlet of the tubular ultrasonic coagulation reactor; a water outlet of the tubular ultrasonic coagulation reactor is communicated to the inclined tube sedimentation tank through a pipeline; the device is simple in structure, high in reaction speed, small in size, capable of being directly installed on a pipeline for use, adjustable in reaction strength and long in service life. The solid-liquid separation efficiency of the inclined tube sedimentation tank can be improved, and the effect of removing SS, TP, COD, algae, turbidity and the like is achieved.

The invention relates to a portable standard gas supply device and method. The portable standard gas supply device comprises a gas source, a pressure reducing valve, a high-pressure stop valve, a pressure stabilizing chamber, a micrometering valve, a gas distribution chamber, an absolute pressure sensor, a first capacitance film gauge, a second capacitance film gauge, a Pirani vacuum gauge, a first high-vacuum angle valve, a second high-vacuum angle valve and a vacuumizing system. According to the portable standard gas supply device and method, through reasonable design, the device and the pipeline have the functions of heating, gas extraction and purification, replacement, portability and the like, the gas purity is guaranteed from the source, pollution of residual gas or organic matter is reduced, measurement errors caused by unreasonable design are reduced, and the measurement accuracy is improved. The accuracy of the prepared standard gas pressure and components is ensured to the maximum extent; the gas distribution precision is improved, the uncertainty of the gas distribution concentration is reduced, the requirement of field dynamic gas distribution can be met, and the method is simple, feasible and easy to operate.

The invention provides a double-cylinder air compressor, and belongs to the technical field of air compressors. The technical problem that an existing double-cylinder air compressor is large in noise is solved. The device comprises a crankcase, a driving motor is fixedly connected to the crankcase, the driving motor comprises a motor shaft, one end of the motor shaft extends into the crankcase, air cylinders are fixedly arranged on the two sides, perpendicular to the driving motor, of the crankcase respectively, and two connecting rods are fixedly connected to the motor shaft in a rotating mode. The ends, away from the motor shaft, of the two connecting rods are fixedly connected with pistons respectively, the two pistons are located in air cylinders respectively, the air cylinders are communicated with corresponding air outlet holes, the crankcase is communicated with an air inlet hole, and the air inlet hole can be communicated with the two air cylinders at the same time. The noise reduction device has a better noise reduction function.

The high-concentration degradation-resistant wastewater treatment system comprises a hydrolysis acidification tank, an anaerobic reactor, an intermediate water tank, an aerobic granular sludge reaction tank and an MBR (membrane bioreactor) which are sequentially communicated in the wastewater flow direction, part of effluent of the anaerobic reactor flows back to the hydrolysis acidification tank for retreatment, and the rest of the effluent enters the intermediate water tank; the effluent of the middle water tank respectively enters an aerobic granular sludge reaction tank for decarbonization, denitrification and dephosphorization treatment and enters an MBR (Membrane Bioreactor) to make up the demand of denitrification on a carbon source; through coupling linkage and synergistic effect of the hydrolytic acidification reaction tank, the anaerobic reactor, the aerobic granular sludge reaction tank and the MBR bio-membrane reactor, the effluent concentration is controlled. A hydrolysis acidification pool and an anaerobic reactor are combined for internal circulation of a water outlet part, impact of high concentration on the anaerobic reactor is reduced, biogas produced by the anaerobic reactor is used for power generation, energy recovery and energy consumption saving, the purposes of energy conservation and emission reduction are achieved, and the problems that an existing treatment device and technology are tedious in process, long in hydraulic retention time and low in cost are solved. And meanwhile, the treatment effect is improved.

The utility model discloses an inclined vertical cat scratching board which comprises a main frame body and a cat scratching face, a mounting groove and a display groove are formed in the middle of the main frame body, the mounting groove is located on the back of the display groove, the cat scratching face is embedded in the mounting groove, the display groove enables the cat scratching face to be exposed out of the main frame body, and the inclined vertical cat scratching board further comprises a supporting body detachably connected with the main frame body. In the using state, the supporting body is installed on the back of the main frame body, the supporting body and the main frame body support each other, and the inclined standing effect is achieved; in the storage state, the supporting body is detached from the back of the main frame body, and the supporting body is contained in the display groove. According to the utility model, an inclined vertical structure is adopted, so that the number of components can be reduced on the basis of effectively guaranteeing the installation stability. In addition, due to the design of the mounting groove and the display groove, the supporting piece can be placed in the groove to be stored in the storage state, and the packaging size is saved.

The invention relates to a shoreline identification and course keeping method, system and device based on vision. The method comprises the following steps: acquiring an image of a water area in front of a ship in real time through a shipborne camera; processing the image by using an improved Spatial CNN model to extract a left shoreline and a right shoreline, fitting the left shoreline and the right shoreline into straight lines, and calculating an intersection point of the two fitted straight lines; taking the intersection point as a far-end piloting target point, and calculating a heading adjustment value according to the field angle of the shipborne camera and the position relation of the ship relative to the piloting target point; and inputting the heading adjustment value into a PID controller for PID adjustment so as to generate a steering engine control instruction, and driving the ship to automatically adjust the heading according to the steering engine control instruction. The method is suitable for a complex river environment without map and support of positioning equipment, and autonomous navigation and course control of the ship are realized.

The pot cover assembly comprises a cover body and an inner cover detachably fixed to the cover body, the inner cover comprises a cover plate and a sealing ring arranged on the periphery of the cover plate, the inner cover is provided with a first side and a second side, the cover plate protrudes towards the first side, and the sealing ring is arranged on the periphery of the cover plate. The sealing ring is provided with a first sealing lip located on the first side and a second sealing lip located on the second side, the inner cover has a first installation state in which the first side faces downwards and a second installation state in which the second side faces downwards, in the first installation state, the first sealing lip abuts against the pot body in a sealed mode, and in the second installation state, the second sealing lip abuts against the pot body in a sealed mode. The second sealing lip edge abuts against the pot body in a sealed mode. According to the electric cooker, the inner cover can be installed on the cover body in a positive posture and a negative posture, so that the volume of the cooking space is adjustable, a user can flexibly adjust the size of the cooking space according to different quantities of cooked food and different cooking food materials, and the pot overflowing phenomenon is effectively avoided while the heating efficiency is guaranteed.

The utility model relates to the technical field of medical instruments, and discloses a superconducting magnet device and medical imaging equipment. The superconducting magnet device comprises a first tank body and a second tank body. The first tank body comprises an inner cylinder wall and an outer cylinder wall. The outer cylinder wall comprises supporting parts located at the two ends and an inwards-concave occupying part which is located between the supporting parts and is inwards concave in the radial direction of the first tank body. An annular first containing cavity is defined by the inner cylinder wall and the outer cylinder wall. The second tank body is arranged on the outer side of the supporting part in the circumferential direction. An annular second accommodating cavity communicated with the first accommodating cavity is defined by the second tank body; the first containing cavity and the second containing cavity can be filled with cooling liquid. According to the superconducting magnet device, the structure is simple, the use amount of the cooling liquid can be reduced, and the cost is reduced.

This utility model discloses a light-powered hair styling device. The device includes a main unit, a curling tube, a light-emitting lamp, and a PCBA control board. The curling tube is connected to the main unit, and the light-emitting lamp is located inside the curling tube. The light-emitting lamp is connected to the PCBA control board via a conductive wire, and an isolation bracket is provided between the light-emitting lamp and the conductive wire. By adding an isolation bracket between the light-emitting lamp and the conductive wire, this utility model utilizes the physical barrier effect of the isolation bracket to block the direct transmission of infrared rays emitted by the light-emitting lamp to the high-temperature radiation conductive wire. The isolation bracket forms a "radiation barrier," preventing high temperature and infrared rays from directly acting on the outer sheath of the conductive wire, delaying the aging, softening, and burning of the outer sheath, effectively avoiding safety accidents such as short circuits and electric shocks, and improving the long-term reliability of the light-powered hair styling device.

The invention discloses a sonar array expansion mechanism, and relates to the technical field of sonar arrays, the expansion mechanism comprises a frame assembly, a transmitting array assembly and a receiving array assembly, the receiving array assembly is a circular tube transducer array, and the receiving array assembly comprises a linear driving mechanism and a plurality of receiving array components; the linear driving mechanism is arranged at the position, close to the top end, in the frame assembly, the multiple receiving array assemblies are distributed on the outer side of the frame assembly in the circumferential direction, and one end of each receiving array assembly is connected with the edge of the top of the frame assembly in a vertical rotating mode. The linear driving mechanism is fixedly connected with a connecting part, and the connecting part can be driven by the linear driving mechanism to move in the axis direction of the frame assembly; and the connecting part is connected with the plurality of receiving array assemblies. The device is simple in structure, reduces the volume ratio of the contraction and expansion mechanism, improves the space utilization rate of the sonar probe, simplifies the transmission relation of the contraction and expansion mechanism, reduces the bending of a signal cable, improves the reliability, and is higher in practicability.

Provided is a tobacco sheet for a non-combustion heating flavor inhaler, the tobacco sheet including a fibrous material.

The invention relates to the technical field of sanitation vehicles, in particular to a sanitation vehicle and a sweeping method. The device comprises a vehicle body, a water tank assembly and a sweeping assembly. The water tank assembly comprises a water tank unit and a piston unit. The outer circumferential wall of the piston unit is slidably connected with the inner circumferential wall of the water tank unit. The piston unit divides the hollow cavity of the water tank unit into a first cavity and a second cavity. When the piston unit moves, the volume of the first chamber and the volume of the second chamber change in opposite trends. And the volume of the first chamber and the volume of the second chamber have the same change rate. And a first cleaning unit of the cleaning assembly communicates with the first cavity. A second cleaning unit of the cleaning assembly communicates with the second cavity. The sanitation vehicle comprises a set state. The set state comprises V1: V2 = (3-4.5): 1. Wherein V1 is the volume of the first cavity, and V2 is the volume of the second cavity. Therefore, the problem of how to improve the working efficiency of the sanitation vehicle is solved.

The invention discloses an ammonia gas catalytic cracker. The cracker comprises a shell and a corrugated coil pipe in the shell, a separation blind plate is arranged in the shell and is parallel to the bottom surface, and the internal space is divided into an upper half area and a lower half area; the corrugated coil pipe repeatedly penetrates through the separation blind plate; the pipe section, located above the separation blind plate, of the corrugated coil pipe is filled with an ammonia catalytic cracking catalyst, and the pipe section, located below the separation blind plate, of the corrugated coil pipe is not filled; an air inlet and an air outlet are formed in the two sides of the upper half area of the shell respectively, and a flue gas inlet and a flue gas outlet are formed in the two sides of the lower half area of the shell respectively; wherein the air inlet and the flue gas outlet are on the same side, and the air outlet and the flue gas inlet are on the same side; an inlet of the corrugated coil is connected with an ammonia pipeline, and an outlet is connected with a cracking gas pipeline. Part of ammonia gas is pre-cracked by utilizing the ammonia gas cracking catalyst, and heat is provided for cracking reaction in the corrugated coil pipe by utilizing flue gas waste heat, so that the adjustment of the combustion property of fuel gas is realized, and the possibility is provided for reducing fuel type NOx.

This utility model relates to a rotary double-compartment preservation bottle, including a feeding compartment; a separating membrane, sealed at the opening of the feeding compartment; an upper compartment sleeve, a shell structure, which is rotated and sealed onto the feeding compartment to form the upper compartment, with the separating membrane located between the upper and lower compartments. The side wall of the upper compartment sleeve is provided with a deformable part, which moves to the center of the upper compartment under the action of external force, reducing the volume of the upper compartment, and resetting after the external force is removed; a guide member, located in the upper compartment and fixedly connected to the lower compartment; and a puncturing member, movably installed on the guide member, which has a puncture part facing the separating membrane. The upper compartment sleeve is drivenly connected to the puncturing member. When the upper compartment sleeve rotates in a first direction, under the guidance and limitation of the guide member, the upper compartment sleeve drives the puncturing member to move towards the separating membrane. After the puncturing part punctures the separating membrane, the upper compartment and the lower compartment are connected, avoiding leakage of the material during the connection of the two compartments and requiring less force. When pouring out the material, it is easy to control the amount of material discharged.

The invention relates to the technical field of biological detection, in particular to a kit and method for detecting NfL, the kit comprises a magnetic bead coated with a capture antibody, a non-functional auxiliary magnetic bead, an NfL detection antibody coupled with a first marker, beta-galactosidase coupled with a second marker, an enzyme reaction luminescent substrate and an NfL standard substance; the capture antibody in the magnetic bead coated with the capture antibody is used for being specifically combined with an NfL antigen; the first marker in the NfL detection antibody coupled with the first marker is connected with the second marker in the beta-galactosidase coupled with the second marker, and the NfL detection antibody is suitable for being specifically combined with an NfL antigen. The kit provided by the invention has the advantages of higher sensitivity, less background signal interference, wider linear range, convenience for full-automatic detection instruments and the like.

Disclosed is a battery module which has a simple structure, small volume and weight, and efficient cooling performance. The battery module includes a plurality of secondary batteries, each including an electrode assembly and a pouch exterior configured to accommodate the electrode assembly in an inner space thereof and having a sealing portion provided thereto, the plurality of secondary batteries being arranged in a vertical direction in a state of being laid in a horizontal direction; and a plurality of cartridges configured to be stacked in a vertical direction, each cartridge being coupled in contact with a sealing portion of the secondary battery to surround the sealing portion and being made of thermally-conductive material.

The invention discloses a flexible methanol fuel cell and a humanoid robot power supply system, and relates to the technical field of methanol power generation, the flexible methanol fuel cell comprises a flexible bag body, the two ends of the flexible bag body are provided with a liquid inlet and a liquid outlet, and the side surface is provided with a mounting opening; the membrane electrode is sealed in the mounting opening; the anode diffusion layer and the cathode diffusion layer are respectively fixed on the anode side and the cathode side of the membrane electrode, and fine wire meshes are fixed on the anode diffusion layer and the cathode diffusion layer. A humanoid robot power supply system comprises a flexible methanol fuel cell, a DMFC energy management system and an energy storage cell, and the flexible methanol fuel cell serves as a power generation unit and is integrally distributed on the outer surface of a robot. According to the flexible methanol fuel cell disclosed by the invention, the whole cell body has good bending, twisting and tensile elasticity, can adapt to various irregular surfaces and dynamic deformation scenes, and is light in weight and thin in thickness. The flexible methanol fuel cell is used as a power generation skin to be integrated on the robot, the mass energy density is improved, and the endurance working time is prolonged.

The utility model provides a blast furnace charging car. The blast furnace charging car comprises a hopper compartment, a sliding plate, a pushing assembly and a car cover, walking wheels are arranged at the bottom of the hopper compartment, and a side opening is formed in one side face of the hopper compartment. The sliding plate is movably arranged in the hopper compartment along a first path, the plate surface of the sliding plate is perpendicular to the first path, the peripheral edge of the sliding plate is attached to the inner wall of the hopper compartment, and the first path is parallel to the opening direction of the side opening; the pushing assembly is arranged in the hopper compartment and used for driving the sliding plate to reciprocate along the first path. And the vehicle cover movably covers the side opening. According to the blast furnace feeding trolley, the sliding plate capable of sliding in the long axis direction of the hopper compartment is arranged in the hopper compartment, after the yield of a blast furnace is increased, the sliding plate can be moved in the direction away from an outlet, the volume of the hopper compartment is increased, the situation that materials cannot be contained and fed at a time is avoided, and the feeding efficiency is improved.

This utility model provides a slide-fitting and liquid-filling fixture, including a slide assembly and a clamping assembly. The slide assembly includes an upper slide, a lower slide, and a flexible pad. The flexible pad is disposed between the upper slide and the lower slide to form a flow channel between them. The upper slide has an inlet and an outlet, which are respectively connected to the flow channel. The clamping assembly includes an upper cover, a lower cover, and an elastic compression member. The elastic compression member is disposed on the upper cover. The upper slide, the flexible pad, and the lower slide are clamped between the elastic compression member and the lower cover in a top-to-bottom arrangement, effectively reducing reagent usage while ensuring sufficient contact between the reagent and the sample.

The invention relates to a corn bract compactness measuring instrument which comprises an instrument shell, a main circuit board, a telescopic probe, a probe head, an input device and a display device. The main circuit board is arranged in the instrument shell and is in control connection with the telescopic probe, so that the telescopic probe can generate telescopic motion relative to the first surface of the instrument shell; the probe is arranged at one end, far away from the first surface, of the telescopic probe, and is used for being in contact with the corn bract, collecting a pressure signal, transmitting the pressure signal to the main circuit board, converting the pressure signal into a quantized value of the compactness of the corn bract, and displaying the quantized value on a display screen of the display device; the display screen of the display device is arranged on the second surface of the instrument shell; the input device is arranged on the third surface of the instrument shell and used for receiving operation of a user so that the main circuit board can generate a control instruction for the telescopic probe. Or receiving record data input by the user, so that the storage device on the main circuit board can record the record data.

This tobacco sheet for a non-combustion heating-type flavor inhaler contains a tobacco powder having a cumulative 90% particle diameter (D90) of at least 200 µm in a volume-based particle size distribution as measured by a dry laser diffraction method.

The application provides a mechanical continuously variable transmission and a use method thereof in the field of continuously variable transmissions, and the mechanical continuously variable transmission comprises a driving assembly, and the driving assembly comprises a movable frame, a fixed frame, a first cross universal coupling and a second cross universal coupling; the application mainly comprises two cross universal couplings with a phase difference of 90 degrees, a differential and a gear one-way clutch, the unevenness of the output speed of the cross universal couplings is utilized, two fluctuation speeds with a phase difference of 90 degrees generated by the two cross universal couplings with a phase difference of 90 degrees are adopted, the differential is used to differentially output the speeds of the two cross universal couplings, and then the gear one-way clutch is used to make the differential become continuous output; the change of the shaft included angle of the two cross universal couplings can change the speed transmission ratio, and realizes stepless speed change. The mechanical continuously variable transmission has simple transmission structure, high transmission efficiency, can meet the flexible speed adjustment, and has high speed change transmission precision.