1512 results about "Three-Wheeler Vehicles" patented technology

The invention belongs to the field of battery monitoring, and particularly relates to a battery health state on-line evaluation system considering a temperature-current coupling effect, which comprises an acquisition module, a coupling module, an on-line evaluation module and an early warning module, the acquisition frequency and the window length of current and temperature data are adaptively adjusted through reinforcement learning and a federated frame in the acquisition module; the coupling module constructs a consistency interval based on the current and temperature slope sequence, calculates a segmented current thermal stress factor and a segmented temperature gradient factor, and further generates a temperature-current coupling feature vector; the online evaluation module performs health state evaluation and life decay rate calculation in combination with dynamic weight distribution and principal component analysis; the early warning module gives an alarm in a grading manner according to an evaluation result, and feeds back an attenuation rate to the front-end acquisition module and the online evaluation module to realize closed-loop optimization; according to the method, the accuracy and reliability of battery health state evaluation of the electric two-wheeled vehicle and the tricycle under complex working conditions are effectively improved.

A mmWave radar sensor module is proposed, to have a specific structure enabling a 180° field of View (FoV) with an affordable system cost. The proposed mmWave radar sensor module is put to use in passenger vehicles, commercial vehicles, automated guided vehicles (AGVs), as well as motorcycles and bikes, enabling a variety of application features: smart parking assistance, replacing PDC sensors, determining the distance, speed and angle of targets, including their tracking, detection of people, tracking of people, tailgate and door protection by restricting opening, gesture and kick sensing, and other applications. In the case of two-wheelers and three-wheelers, the same apparatus may cover also blind sport detection application in the affordable system manner.

A transportation device is disclosed. One aspect includes a rear assembly that further includes a rear frame, and a first rear wheel and a second rear wheel mounted to the rear frame. The rear assembly may also include a first electric motor and a second electric motor mechanically connected to the first rear wheel and the second rear wheel respectively, and an electrical power source comprising a battery, configured to power the first electric motor and the second electric motor. The transportation device may also include a front assembly that includes a saddle and a front wheel connected to the saddle via a wheel hub and a fork. An aspect includes an elastomeric torsional element connecting the front assembly and the rear assembly.

The invention relates to the technical field of motor protection, in particular to a protection device for an electric tricycle motor, which comprises a motor body, a transmission mechanism mounted on the motor body, a protection mechanism mounted on the transmission mechanism, a cleaning mechanism mounted on the protection mechanism, a connecting mechanism mounted on the motor body, and a locking mechanism mounted on the motor body. A sealing mechanism is mounted on the connecting mechanism; the bottom of the motor body is shielded and protected through the protection mechanism, sundries on the protection mechanism are scraped through the cleaning mechanism, corrosion of the motor body is reduced, heat dissipation is facilitated, the motor body and the transmission mechanism are quickly disassembled and assembled through matched installation of the connecting mechanism and the locking mechanism, follow-up maintenance is facilitated, and the sealing mechanism is installed, so that the sealing performance of the motor is improved. And the sealing mechanism is driven by the connecting mechanism, so that the sealing mechanism is tightly sealed.

The utility model relates to the technical field of electro-tricycle braking, in particular to a linkage braking assembly and an electro-tricycle. The linkage brake assembly comprises a linkage valve, the linkage valve comprises a valve body, a first elastic piece and a transmission structure, the valve body is provided with a first containing cavity used for containing hydraulic oil, and a plunger structure is connected into the first containing cavity in a sliding mode. According to the utility model, by treading the pedal plate, the pedal plate drives the plunger structure to move through the transmission structure, and hydraulic oil in the first chamber is extruded to finish pressure buildup from the first oil outlet pump to the oil path input port of the front disc brake; the hydraulic oil in the second cavity is extruded to complete pressure buildup from the second oil outlet pump to the oil way input port of the rear drum brake, due to the arrangement of the first sealing structure and the second sealing structure, the first cavity and the second cavity are not communicated with each other, even if pressure buildup of one oil way fails, operation of the other oil ways cannot be affected, and the service life of the rear drum brake is prolonged. And the safety is higher.

The utility model provides a turnover opening and closing structure for a carriage of an electric tricycle, and relates to the field of electric tricycles. The electro-tricycle comprises a tricycle frame, a carriage frame and a carriage, a driving position is arranged at the front end of the tricycle frame, the carriage frame is arranged at the rear end of the tricycle frame, and the bottom of the front end of the carriage is movably connected to the front end of the carriage frame through a turnover opening-closing structure. The turnover opening and closing structure comprises a rotating shaft, a driving lever and a clamping plate; the rotating shaft is rotationally arranged at the bottom of the carriage; one end of the deflector rod is connected with one end of the rotating shaft, and the other end of the deflector rod penetrates through the front end face of the carriage and extends to one side of a driving position; the number of the clamping plates is at least two, and the two clamping plates are arranged at the two ends of the rotating shaft correspondingly. Clamping grooves are formed in the sides, facing the rear end of the compartment, of the clamping plates; lock rods are arranged on the two sides of the front end of the carriage frame respectively, and the clamping grooves are connected with the lock rods in a matched and clamped mode. The carriage can be overturned through a pure mechanical structure, the structure is simple, operation is easy, energy consumption is avoided, the electric power of the electric tricycle can be saved, and the cruising ability of the electric tricycle is improved.

A tricycle propelled by the stair climber mechanism, including a main body, including a front bar assembly, a plurality of handle bars disposed at a top portion of the front bar assembly, a front wheel disposed at a bottom portion of the front bar assembly, and a rear bar assembly connected to the front bar assembly, a left rear wheel, a right rear wheel, a left pedal connected to a left front portion of the rear bar assembly, and a right pedal connected to a right front portion of the rear bar assembly, wherein the main body moves forward in response to the left pedal and the right pedal being pushed downward.

The invention provides a bearing fatigue life test method and system, and relates to the technical field of bearing testing, and the method comprises the steps: obtaining the application scene characteristics of a target electric tricycle, and obtaining K test conditions; historical bearing fault record mining is carried out in combination with the model of the target electro-tricycle and the K test conditions; the working condition parameters are used as indexes, and the K historical bearing fault record sets are retrieved; traversing K historical bearing fault working condition parameter sets for parameter screening; and performing fatigue life test on the target bearing based on the K test working conditions and the K test working condition parameters, and weighting the obtained fatigue life test results of the K test working conditions to obtain a target fatigue test result. Through the bearing fatigue life testing method and device, the technical problem that the fatigue life testing accuracy is low due to the fact that the performance of the bearing under complex and changeable actual working conditions is difficult to adapt in the prior art can be solved, and the fatigue life testing accuracy of the bearing is improved by testing the fatigue life under different scenes.

The utility model provides a novel self-power-generating wheel body structure with a shaft wheel rotating synchronously without differential speed, which relates to the technical field of power-generating wheels and comprises a fixed part and a rotatable part which are arranged in a coupling mode. The rotatable part comprises a wheel, and a connecting component is arranged in the rotatable part; the connecting component is provided with a mounting position for mounting a power part; the power part is driven by a power source to generate torque, and then the rotatable part is driven to rotate relative to the fixed part with an axis as the center. A magnetic ring and a generator core which are correspondingly used are arranged at the joint of the fixed part and the rotatable part; the rotatable part rotates relative to the fixed part, so that the generator core and the magnetic ring rotate relative to each other to cut magnetic lines of force to generate current. The self-generating wheel body has the beneficial effects that the blank of the self-generating wheel body in the existing market is filled, the self-generating wheel body can be applied to a wheel body which is represented by a child tricycle and is positioned on a front fork, and the wheel body is driven to rotate through pedal rotation so as to synchronously generate electricity or emit light.

In the conventional tricycle, generally the front frame, the rear frame and the seat tube are attached to the bottom bracket that carries pedal assembly. Between the bottom bracket and the rear frame, a joint is installed such that the seat tube and the handlebar may tilt to the left or right. Thereby the rider can cancel out the unwanted centrifugal force that occurs during high speed turning and pushes him to the opposite direction of the handlebar causing a fall down accident. Between the seat tube and the rear frame is installed a tiltable angle variable mechanism. By operating a hand lever on the handlebar the rider can vary the tiltable angle of the handlebar as needed, for high speed turning or for maintaining balance at low speeds.

The invention discloses an electric tricycle controller intelligent parameter adjusting system and method based on Bluetooth, and the system is characterized in that the system comprises a mobile terminal which employs a smart phone to install an intelligent parameter adjusting APP, and comprises a parameter input and interaction module, a controller compatibility pre-detection module, a Bluetooth communication module A, and a data processing module; the vehicle-mounted controller serves as a core execution unit and comprises a hardware information storage and analysis module, an intelligent parameter adjustment module, a Bluetooth communication module B and a multi-dimensional safety control module, the communication stability is improved in a breakthrough mode, the communication error rate is reduced to 0.1% or below from 5%-8% in the prior art through the BLE 5.1 frequency hopping technology and XOR dual verification, the communication distance is increased to 15 meters, and the communication efficiency is improved. And no attenuation is caused when penetrating through a metal vehicle body.

The invention relates to the technical field of motor driving control, in particular to a multi-motor cooperative driving and torque distribution method and system, and the method comprises the steps: collecting motor rotating speed, current, battery SOC and whole vehicle driving condition data in real time, carrying out the preprocessing of the collected multi-source data, eliminating the noise interference, and carrying out the signal feature extraction; a torque demand model is established based on vehicle driving condition classification, and the target torque of the whole vehicle is calculated; constructing a torque distribution model fusing working condition weights, combining motor efficiency characteristics, a battery SOC state and road condition resistance, and dynamically distributing the torque of each motor through an improved particle swarm optimization algorithm; and the state of the motor is monitored in real time in the driving process, torque distribution data of this time is input into a database after the vehicle is driven, and the torque demand model and torque distribution model parameters are optimized. Through working condition identification, intelligent algorithm distribution and dynamic optimization, the driving safety of the electro-tricycle and the driving efficiency of the motor are improved.

This invention discloses a robotic welding fixture for a three-wheeled vehicle body, relating to the field of welding equipment technology. It includes a welding table; a support beam conveyor belt assembly mounted on the welding table; a frame conveyor platform and a frame unloading platform respectively positioned on opposite sides of the welding table; a robotic arm laser welding machine mounted on top of the welding table, with its position vertically corresponding to the position of the frame conveyor platform; the support beam conveyor belt assembly includes an operating platform and a conveyor belt arranged sequentially from top to bottom at intervals, with multiple through slots and multiple support beam placement frames arranged along the conveying direction on the conveyor belt, the through slots and support beam placement frames being staggered; and multiple lifting cylinders positioned below the conveyor belt; the frame conveyor platform includes a support platform located outside the welding table, with a lifting cylinder mounted on the bottom surface of the support platform, and a lifting plate mounted on the piston rod of the lifting cylinder. This invention has advantages such as reducing labor intensity and improving welding position accuracy.

1. The name of this design product: Canopy (split type). 2. Purpose of this design product: A shelter canopy for tricycles and other vehicles. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: combination state diagram. 5. Other situations that require explanation Component description: This design product is a component product.

1. The name of the design product: saddle (A32). 2. The use of the design product: for bicycle, electric vehicle, tricycle saddle. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention discloses a lithium battery charging method with a bidirectional authentication mechanism. The method comprises the steps that a lithium battery sends an authentication request to a charger; the charger generates a first random number according to the authentication request and generates a first authentication code after encrypting the first random number; the lithium battery decrypts the first authentication code to obtain a second random number; the lithium battery generates a third random number, and after the second random number and the third random number are encrypted, a second authentication code is generated; the charger decrypts the second authentication code to obtain a fourth random number and a fifth random number; if the fourth random number is the same as the first random number, the charger encrypts the fifth random number and then generates a third authentication code; the lithium battery decrypts the third authentication code to obtain a sixth random number corresponding to the fifth random number; and if the sixth random number is the same as the third random number, the lithium battery and the charger complete bidirectional authentication. The invention also discloses a lithium battery system. The device is used for charging lithium batteries of two-wheeled vehicles and three-wheeled vehicles.

The utility model discloses a tricycle auxiliary heat dissipation system which comprises a cooling box, a protection plate and a connecting frame, a taper pipe is arranged on the upper portion inside the cooling box, two fixing plates are arranged on the left side face and the right side face of the cooling box, the protection plate is installed on the surface of the cooling box, a plurality of honeycomb-shaped ventilation holes are formed in the surface of the protection plate, and two L-shaped frames are arranged on the left side face and the right side face of the protection plate. The connecting frame is installed on the back face of the protection plate, a connector is arranged at the corner of the connecting frame, the connector is connected with the L-shaped frame through a bolt and a nut, and the connector is clamped on the surface of the corresponding fixing plate; the protection plate is connected with the connector of the connecting frame through the L-shaped frame, the cooling box is installed on the motorcycle through the fixing plate, the protection plate blocks the cooling box, when the cooling box collides with wind, impurities are attached to the protection plate, the cooling box is prevented from being blocked by the impurities, and the cleaning period of the cooling box is prolonged; and regular cleaning and maintenance of the protection plate are facilitated, and efficient cooling of the cooling box can be kept.

The utility model relates to the technical field of traffic tools, and disclose an electric tricycle front wheel brake assembly, including: fixed ring, the inside of fixed ring outer surface is pasted with dish disc. This electric tricycle front wheel brake assembly, aiming at the defect that traditional integral brake disc cannot be replaced locally, innovatively adopts modularization design to brake disc, is divided into four parts on average, and users can accurately disassemble and replace the seriously worn dish disc according to the actual wear condition of each part, avoid the resource waste caused by replacing the entire brake disc due to local wear, greatly reduce the maintenance cost, and in the convenience of disassembly, the unique disassembly mechanism plays a key role, through the simple screwing of the nut, the disassembly of the screw, the rotation of the clamp and other operations, the locking of the dish disc can be quickly released, and it is taken out from the fixed ring, the whole process does not need complex professional tools, and does not need professional technical personnel operation, significantly improves the maintenance efficiency, and reduces the maintenance difficulty.

The invention discloses a landscape garden grass seed sowing device which is suitable for being mounted on a movable platform for use and comprises a shell, a barrel, a fan, a driving motor, a spiral auger, an exhaust pipe, a transition connecting pipe, a sowing pipe and a swing mechanism. A barrel is arranged in the shell, the bottom of an open stock bin on the upper side of the barrel is connected with a vertical discharging pipe, and a driving motor drives a spiral auger to be inserted into the discharging pipe to convey grass seeds. The fan is arranged in the shell and is communicated with the discharge pipe through an exhaust pipe; an outlet of the exhaust pipe is connected with the sowing pipe through a flexible transition connecting pipe; the swing mechanism is arranged on the shell, connected with the sowing pipe and used for driving the sowing pipe to swing left and right so as to adjust the sowing range. Quantitative conveying and pneumatic type long-distance sowing of grass seeds are achieved, the sowing range is adjustable, uniformity is good, the device is particularly suitable for being installed on a mobile platform such as a motor tricycle to conduct large-area landscaping operation, and the sowing efficiency and quality are remarkably improved.

1. The name of the design product: tricycle frame (28 round pipe basket). 2. The use of the design product: for tricycle frame. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model relates to the technical field of high-pressure flushing, and discloses an electric flushing tricycle high-pressure flushing mechanism which comprises a bottom plate, a water storage tank fixedly connected to the right side of the top end of the bottom plate, a water pump fixedly connected to the bottom of the right side of the water storage tank, a connecting pipe communicated to the right side of the water pump and a supporting pipe fixedly connected to the left side of the top end of the connecting pipe. The left end of the supporting pipe is fixedly connected with a pipeline, the right side of the pipeline communicates with a rotating shaft, the bottom end of the rotating shaft communicates with the top end of the connecting pipe, the left end of the pipeline communicates with a water outlet pipe, the top end of the pipeline is rotationally connected with a rotating frame, and the top end of the rotating frame is fixedly connected with a first rotating wheel. According to the tricycle, the first rotating wheel is rotated to drive the rotating frame to rotate, the rotating frame rotates to be clamped with the water outlet pipe after a proper nozzle is selected, then the rotating frame is fixed through the screw, when different nozzles are selected, different water speeds exist, different nozzles can be selected for washing specific parts, and the service life of the tricycle is prolonged.

The utility model relates to a kind of external swing mechanism and tricycle, including front frame and rear frame, and the front frame is connected between rear frame by swing assembly and realizes the relative swing reciprocating motion of front, rear frame by swing assembly.The utility model realizes the swing effect of tricycle by simple structure, effectively improves the problem that tricycle is prone to rollover, not flexible.

1. The name of this design product: integrated windshield. 2. Application of this design product: used as a windshield for three-wheeled vehicles. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.