26 results about "Electric drive" patented technology

The invention discloses an electric drive lifting unmanned flying platform. The electric drive lifting unmanned flying platform is characterized by comprising an electric drive lifting unmanned machine, wherein the electric drive lifting unmanned machine is connected with a ground power supply device through a transmission cable and is driven by the ground power supply device in a power-supply mode. Preferably, the ground power supply device is a power supply vehicle with a vehicle power supply. Continuous power supplying is conducted to the electric drive lifting unmanned machine through a ground power supply, and thus the power and the duration time of power supplying are guaranteed, and heavy articles can be lifted by relying on the lift force of a propeller. Moreover, the unmanned machine can conduct lifting operation within the length scope of the transmission cable, and can be flexibly applied to various occasions.

The invention relates to a full-electric scissor type aerial work platform. The platform comprises a lifting unit, a walking unit, a steering unit and a control unit, wherein the lifting unit comprises a lifting adjusting assembly; the walking unit comprises an electric driving part; the steering unit comprises an electric steering control component; and the control unit comprises a whole machine controller, a lifting unit sensor used for collecting height and speed information of a working platform and a steering unit sensor used for collecting steering angle information of the working platform, and the lifting unit sensor, the steering unit sensor, an electric lifting control component, the electric steering control component and an electric driving component are all connected to a whole machine controller. The whole machine is fully electrically driven, no hydraulic system is involved, the problems that an existing scissor type aerial work platform electro-hydraulic driving system is low in electric energy utilization rate, has the risk of hydraulic oil leakage and is high in maintenance cost are solved, and the purposes of reducing the battery installed capacity of the whole machine and reducing the manufacturing and maintenance cost of the whole machine are achieved through the efficient electric energy utilization rate of a motor.

A driving mechanism for operating a shaping die to join stacked plates by a deep-drawing and swaging operation is implemented as an electric drive, such as a linear motor or a rotary motor, which is operatively connected to the shaping die.

The invention provides a vehicle with a double-motor electric drive axle and a drive method. Power output by a first drive motor M1 is transmitted to a third cylindrical gear transmission speed reduction module; the power output by the first driving motor M1 is transmitted to a first half shaft and a second half shaft to drive a first wheel and a second wheel; and power output by a second driving motor M2 sequentially passes through a first gear transmission speed reduction module and a second gear transmission speed reduction module and is converged with power output by the first driving motor M1 at the third gear transmission speed reduction module. By configuring different working modes and control strategies, different coupling of driving force under different vehicle speeds and different loads is achieved, real-time power distribution is achieved, the two motors share two gears for gear shifting, the gear shifting reliability is guaranteed, meanwhile, the output torque of the motors can be further improved, the motors can work in a high-efficiency interval, and the dynamic property and economical efficiency of the whole vehicle are improved.

A motor vehicle drive system (1) comprises: a first electric drive machine (3), connected to a battery of accumulator cells, capable of providing mechanical drive energy and arranged in such a way that it can be coupled, in a way that may or may not be disengageable, to a differential (2) capable of driving a pair of driven wheels of the vehicle, - a second electric drive machine (4), connected to the battery of accumulator cells by a current inverter - rectifier which alternately allows the second machine (4) to deliver mechanical drive energy from the electrical energy of the battery and to convert mechanical energy transmitted to the second drive machine into electrical energy sent to the battery, - a combustion engine (5). The system further comprises a first set of gears (22-53, 38-53) provided with a first sliding sleeve (44,49), which, by moving the first sliding sleeve (44, 49), allows the second electric machine (4) to be coupled selectively either to the differential (2) or to the combustion engine (5).

A clamping unit (1) for clamping a workpiece, with an electric drive, and a gearbox unit having an arrangement of rolling elements (9). The gearbox unit is used to convert a rotary motion of an actuating element into a translational motion. By means of translational motions of the actuating element, clamping elements (5) can be moved into a clamping position in which a workpiece is clamped with clamping elements (5), and into a release position in which clamping elements (5) release the workpiece.

A piezoelectric pump vibrator comprises a lower piezoelectric unit (1), an upper piezoelectric unit (2) and a middle gasket (3), the lower piezoelectric unit (1) and the upper piezoelectric unit are in the same size, and the lower piezoelectric unit (1), the upper piezoelectric unit (2) and the middle gasket (3) compose a bimorph-type electric drive vibrator. The piezoelectric pump vibrator can also only comprise the gasket (3) and the lower piezoelectric unit (1) or the upper piezoelectric unit (2), and the gasket (3) and the lower piezoelectric unit (1) or the upper piezoelectric unit (2) are adhered together to compose a single piezoelectric plate type piezoelectric drive vibrator. The piezoelectric pump vibrator is characterized in that the gasket (3) is made from multiaxial glass fiber reinforced or multiaxial carbon fiber reinforced resin, wherein every layer of multiaxial fiber is directionally arranged in a multi-angle amorphous mode. The construction method of the piezoelectric pump vibrator can effectively solve the problem of short service life of the gasket of a piezoelectric vibrator due to repeated fatigue and improve the reliability and the service life of a piezoelectric pump.

The invention belongs to the field of mobile phones, the mobile phone safety lifting camera comprises an electric drive, a screw, a nut, a cylinder A, a sleeve, a cylinder B, a sliding block A, a boosting spring, a tension spring, a sliding disc, a pressure spring and the like, the electric drive drives the screw to rotate to enable the nut to move up and down, the nut drives the cylinder A to move up and down, and the cylinder A drives the camera to move up through the sleeve, the cylinder B, the boosting spring, the sliding block and the base. Small-amplitude compression generated when the camera is impacted is achieved through the boosting spring, the boosting spring which is compressed in a small-amplitude mode can push the sliding disc to move downwards while buffering part of impactof the camera, and the sliding disc which moves downwards instantly relieves the relative static state between the cylinder A and the sleeve after being subjected to a series of transmission; therefore, the cylinder B is pulled to move downwards instantly under the reset action of the tension spring, the camera is retracted into the machine body instantly after the downward moving cylinder B is subjected to a series of transmission, and the possibility that the camera is impacted and damaged is greatly reduced.

The invention relates to an automatic barrier gate for the expressway entrance, which comprises a base, a bottom plate, a stop lever, a lifting mechanism and a card swiping mechanism, the lifting mechanism is arranged on a supporting rod, the card swiping mechanism is arranged below the bottom plate, and according to the automatic barrier gate for the expressway entrance, lifting of the stop leveris achieved through the lifting mechanism, and vehicle identification is achieved through the card swiping mechanism; compared with an existing barrier gate, the barrier gate drives the bottom plateto move through the gravity of passing vehicles, so that the stop lever is automatically lifted, electric drive is avoided, energy is saved, meanwhile, through linkage of the lifting mechanism and thecard swiping mechanism, lifting of the stop lever and simultaneous operation of the card swiping device are achieved, missed swiping is avoided, and a pure mechanical structure is adopted in linkage.use of sensors and other electronic elements is avoided, the stability of the device is improved, and the service life is prolonged, compared with an existing triggering assembly, the triggering assembly achieves a better clamping effect on the conductive column through the two triggering units, loosening of the conductive column and the electric sheet is avoided, and a better power-on effect isachieved.

An electrical actuation for an automatic transmission, preferably for selection actuation in automobiles in which a four-bar linkage transmission and a worm gear unit are arranged between the electric drive and the transmission. Shifting can be carried out with a low-output drive, particularly in the parked shifting position “P”, also when very large forces are required such as those occurring when the vehicle is parked on a hill.

The embodiment of the invention discloses a power control method of an electric driving system, and relates to the technical field of electric automobiles. The method comprises the following steps: acquiring current driving road condition information of the electric vehicle; obtaining a target control mode corresponding to the current driving road condition information according to a pre-stored corresponding relation table of road conditions and control modes; the control module is related to output power control of an electric driving system of the electric automobile; and controlling the output power of an electric driving system of the electric vehicle in the target control mode. According to the invention, the corresponding appropriate output power of the electric driving system can be obtained according to the current driving road condition information of the electric automobile, and the automobile driving experience is effectively improved.

The invention discloses a method for cooling a motor by using lubricating oil in a two-in-one electric drive assembly, which is characterized in that the lubricating oil in a planetary reducer is in contact with a shell of the motor and flows on the surface of the shell, so that the lubricating oil absorbs heat of a stator and a rotor through the shell of the motor, and the motor is cooled. According to the method, the idle supporting seat cavity of the two-in-one electric drive assembly is utilized, the front section of the motor where the rotor is located is arranged in the supporting seat cavity, the inner wall of the rear end of the supporting seat cavity and the periphery of the shell are sealed, and the output shaft of the motor and the inner wall of the shaft hole in the shell are sealed. And lubricating oil in the speed reducer cavity flows through the supporting seat cavity. The advantages are that the motor temperature rise can be effectively controlled when the motor load is suddenly increased; the total length of the two-in-one electric drive assembly is obviously shortened, and the installation space needed by the two-in-one electric drive assembly is reduced.

According to the integrated storage battery pack fusing device easy to operate and provided with the visual protective cover. The insulating protective cover and the insulating base are arranged, and the main fuse, the signal fuse, the microswitch and other components are arranged in the corresponding insulating cavities, so that no exposed electrified part exists outside the device, and personal safety is guaranteed. And when the insulating protective cover is in a separated state, the distance between the main fuse moving contact and the main fuse static contact is smaller than the distance between the signal fuse moving contact and the signal fuse static contact, so that the device can realize linkage switching sequence operation by using a position difference, and is safe, reliable and convenient to operate. In addition, the electric driving module automatically controls the opening and closing of the insulating protective cover and the insulating base, thereby realizing the automatic control of the switching of the fuse.

The invention relates to an electric-driven regulation device manufactured by moulds. The electric-driven regulation device comprises a clamping and fixing base, wherein an expanding plate is arranged on the right end of the clamping and fixing base; the right end of the expanding plate is provided with a motor; a drive wheel on the output shaft of the motor is provided with a connection rod; a convex column is arranged on the middle part of the expanding plate; the upper end of the convex column is hinged to a regulation rod; two ends of the regulation rod are symmetrically provided with multiple equidistance holes; and the left end of the connection rod is connected onto one equidistance hole through a bolt. According to the electric-driven regulation device manufactured by the moulds, by arranging the regulation rod with the equidistance holes and the connection rod, an operator can select connection and fixing positions on the regulation rod according to the length of the connection rod; the function of fixing the connection rod at multiple positions is realized; and a linkage function between connection of the end of the regulation rod and connection of the parts on the base is favorably realized. The electric-driven regulation device is simple in structure and convenient for operation, and is economical and practical.

The invention discloses an intelligent electric drive raise boring machine and a drilling control method thereof. The intelligent electric drive raise boring machine comprises a steel beam, an L-shaped drill frame, a power head assembly, three motors and a propulsion cylinder; the steel beam is fixedly installed on the ground, and the L-shaped The drill frame is fixedly installed on the steel beam; the three motors are installed on the power head assembly in a zigzag shape; the lower end of the propulsion cylinder is fixedly installed on the base of the L-shaped drill frame, and the upper endof the propulsion cylinder is fixedly connected with the power head assembly; the power head assembly is installed on the upright of the L-shaped drill frame, and the power head assembly can move backand forth along the length direction of the upright under the drive the propulsion cylinder. The intelligent electric drive raise boring machine has the advantages of fast guide hole speed, large hole expansion torque, high efficiency and long service life.

The invention provides an oil cooling control system of an electric drive assembly. The oil cooling control system comprises an oil pump and a motor controller, and the oil cooling control system further comprises the motor controller which is in communication connection and electric connection with the oil pump so as to provide electric energy for the oil pump; a vehicle control unit which is in communication connection with the motor controller and sends driving response information to the motor controller; and a motor which is in communication connection with the motor controller and sends motor state information to the motor controller. The motor controller sends a control instruction to the oil pump based on the driving response information and the motor state information, and the oil pump supplies oil to the motor for cooling based on the control instruction. After the technical scheme is used, the electric drive assembly can define the optimal control policy according to internal bottom layer data and algorithms, and the whole vehicle does not need to calibrate an oil cooling system.

A method for positioning a brushless electric drive comprising a stator that has at least one phase winding to which a voltage signal can be applied, and a rotor equipped with magnetic poles. In the method, a voltage signal is applied to the at least one phase winding, the voltage signal generates a magnetic field as a result of the current flowing in the phase winding. The magnetic field putting the rotor into alignment, and as long as the rotor is in motion, the voltage signal is modified in accordance with the intensity of the current induced in the at least one phase winding by the moving rotor, in such a way that the induced current is increased.

The invention provides an integrated thermal management system of a pure electric vehicle and the vehicle. The system comprises a controller, a two-position four-way control valve, a passenger compartment thermal management loop, a battery thermal management loop, an electric drive system thermal management loop and a heat dissipation loop, wherein the electric drive system thermal management loop and the heat dissipation loop are communicated. A three-way control valve group connected with the controller is arranged in the passenger compartment thermal management loop so as to change the flowing direction of a refrigerating medium in the passenger compartment thermal management loop; a refrigerating medium channel of the battery thermal management loop is communicated with the passenger compartment thermal management loop through a group of three-way proportional control valves, and a cooling liquid channel of the battery thermal management loop is communicated with the electric driving system thermal management loop through the two-position four-way electromagnetic valve; the controller achieves cooling or heating management of a passenger compartment, cooling or heating management of a battery pack and cooling of an electric drive system by controlling the three-way control valve set, the two-position four-way control valve and the first three-way proportional valve set.