31results about How to "Meet the needs of different speeds" patented technology

The invention discloses a planetary gear train to be used for a multi-gear transmission. At least nine available forward gears and at least one available reverse gear can be obtained. The planetary gear train comprises a first planet row, a second planet row, a third planet row and a fourth planet row. Each planet row comprises a sun gear, a planet carrier and a gear ring. Components and connection members of the planet rows can form seven rotation elements. A gear shifting component comprises two clutches and four brakes. The clutches are arranged among the selected rotation elements of the rotation elements, and the brakes are arranged between the selected rotation elements of the rotation elements and fixing parts. The planetary gear train has more gears and optimal speed ratio, the power transmission performance and the fuel economy of the cars can be improved apparently, and the planetary gear train is short, compact in overall design, capable of meeting requirements of cars for transmission durability, power transmission efficiency, size, costs and the like well. The invention further discloses an automatic transmission with the planetary gear train.

The invention relates to glue coating equipment, in particular to an intelligent glue rolling device for a motor rotor. The intelligent glue rolling device is characterized by comprising a bracket bottom plate, a glue tank, an adsorption type rolling roller, an AC speed reducer motor and an electric control box, wherein the glue tank is arranged on the bracket base board; the adsorption rolling roller is arranged just above the glue tank, and the cylindrical surface of the adsorption rolling roller is in matched contact with the liquid level of the glue tank; the rotor is arranged just above the adsorption rolling roller, and the cylindrical surface of the adsorption rolling roller is matched with the cylindrical surface of the rotor in a rolling manner; an adjustable motor speed reducer, an adjustable time delay and a control switch are arranged on the electric control box, and the AC speed reducer motor, the adjustable motor speed regulator, the adjustable time relay and the control switch form a control loop. The intelligent glue rolling device uses the adsorption rolling roller to coat the rotor with glue, and can ensure the uniformity of a glass fiber cloth surface; the rotation speed of the AC speed reducer motor can be set via the adjustable motor speed reducer, the operation is very flexible, and requirement on different rotation speeds can be satisfied.

The invention discloses an equivalent subcarrier allocation system and method of multi-user multi-tone code division multiple access MT-CDMA. The system and the method comprises the steps of obtaining a gain value of each user on each equivalent subcarrier in an MT-CDMA system according to a channel gain value of each user on each subcarrier; evaluating that how many equivalent subcarriers does each user need to select for transmission according to a user data speed threshold value, wherein the subcarriers in the sub-blocks are ensured to have similar transmission characteristics by use of an evenly-spaced subcarrier block diversity mode; carrying out equivalent subcarrier allocation according to an irrigation principle by taking each subcarrier sub-block as an equivalent subcarrier. The system and the method have the advantages that the characteristic that the speed difference of the users are relatively high is taken into consideration, different speed demands of the multi-user MT-CDMA system can be satisfied, the system and the method are compatible with an existing self-adaptive resource allocation system of multi-user MT-CDMA, and the existing system can be modified conveniently.

The invention discloses a textile winding device, which comprises two winding racks, drive motors are installed in the middle of the opposite sides of the two winding racks, and the two drive motors are respectively connected to the two ends of the winding roller by transmission. The top of each winding rack is fixedly connected with the two ends of the first connecting rod respectively, two suction pumps are installed on the bottom of the first connecting rod, the output ends of the two suction pumps are connected with the external textile dust collection box through pipelines, and the two The bottom of the opposite side of the winding frame is fixedly connected with the two ends of the fan frame respectively, and two destaticizing ion fans are installed inside the fan frame. The present invention can reduce the generation of static electricity on the textile winding device by being equipped with an ionizing blower to remove static electricity, so as to increase the safety of production. The need for speed makes this device more user-friendly.

In the integrated planetary gear reduction differential motor for new energy vehicles of the present invention, the output end of the drive motor is connected to a differential through a reducer, and the drive motor, reducer, and differential pass through the drive motor casing and the reducer casing , The differential housing and the vehicle housing are integrated into one structure. As a part of the new energy axle housing, it has a compact structure, takes up less space, and greatly reduces the overall weight; the inner housing of the differential is fixedly connected to the output end of the reducer. The differential is respectively connected to the left and right half shafts of the vehicle through the left and right half shaft gears. After being decelerated by the hollow shaft planetary gear reducer, the output speed of the drive motor is converted into torques of different values ​​through the differential and sent to the On the left half shaft and right half shaft of the vehicle, the differential drive of the left half shaft and the right half shaft of the vehicle can be realized, which can not only realize the simultaneous output torque of the left and right half shafts of the motor, but also automatically realize the differential speed, and meet the needs of different speeds of the wheels on both sides of the new energy vehicle need.

The invention provides an interventional robot system and a readable storage medium. A touch switch of the interventional robot system is arranged on an operating rod, connected with a processor and used for sending the current state of the switch to the processor; the main end encoder is arranged on the operating rod, is connected with the processor and is used for sending the operating rod displacement formed when the operating rod is controlled to execute the current operation to the processor; the zero position sensor is arranged on the base, is connected with the processor and is used for sending the current state of the sensor to the processor; the processor is used for receiving the displacement of the operating rod sent by the main end encoder, the current sensor state sent by the zero position sensor and the current switch state sent by the touch switch; based on the displacement of the operating rod, the current state of the sensor and the current state of the switch, the slave end of the interventional robot is controlled to execute movement corresponding to the displacement of the operating rod, so that precise control over movement of the slender medical instrument is guaranteed, and invalid operation is eliminated.

The invention discloses a novel bearing with a base. The novel bearing with the base comprises a bearing mounting base, as well as a front side fixed end cover and a back side fixed end cover which are mounted on the bearing mounting base spirally, wherein a front end bearing, a bearing inner ring spacer bush and a back end bearing are embedded in a bearing mounting hole of the bearing mounting base; the periphery of the bearing inner ring spacer bush is sleeved with a bearing outer ring spacer bush; a front side inner ring pressing ring is embedded in a front side end cover through hole of the front side fixed end cover; a front side spring is mounted between the front side inner ring pressing ring and the front side fixed end cover; a back side inner ring pressing ring is embedded in a back side end cover through hole of the back side fixed end cover; a back side spring is mounted between the back side inner ring pressing ring and the back side fixed end cover; the bearing outer ring spacer bush comprises a front side outer ring spacer bush and a back side outer ring spacer bush; a pre-tightening oil pressing cavity is formed between a back side spacer bush extending part at the end part of the back side outer ring spacer bush and the inner wall of the bearing mounting hole; the bearing mounting base is provided with an oil passing hole. The novel bearing with the base can adjust the bearing pre-tightening force according to different rotating speeds so as to meet the requirements of adapting to different rotating speeds, and is novel in structural design.

The invention relates to an electric vehicle speed changing box with a speed gear. The outer shell of the speed changing box is internally provided with a motor output shaft, a bridge wheel shaft and a speed changing box output wheel shaft, wherein the motor output shaft is respectively connected with the outer shell and a motor; a motor high-speed output wheel, a motor low-speed output wheel and a motor driving wheel are connected on the motor output shaft; the motor high-speed output wheel and the motor low-speed output wheel are respectively provided with a groove and a bulge, and are correspondingly spliced with the motor driving wheel in a slidable mode; the outer side surface of the motor driving wheel is fixedly connected with a shifting fork; transmission bridge wheels (1,2,3,4) which are in coaxial transmission are sequentially connected on the bridge wheel shaft; the transmission bridge wheels (1,2,3,4) are respectively meshed and in transmission connection with the motor high-speed output wheel, the motor driving wheel and the motor low-speed output wheel; and the transmission bridge wheel (3) is meshed and in transmission connection with the output wheel of the speed changing box. The speed changing box of the invention has simple structure, can realize gear shifting conveniently, satisfies requirements on different speeds in the processes of starting and climbing of the electronic vehicle, brings convenience for people and improves the performances of the speed changing box.

The invention discloses a male parent cutting machine for a hybrid rape seed production field. The male parent cutting machine comprises a rack which is provided with a handle, an engine, a gear shifting handle, a walking gearbox, a spiral conveying roller gearbox, two cutter gearboxes, two reel mechanisms and two dividing plate assemblies. A first output shaft on the engine is in transmission connection with an input shaft of the walking gearbox through a first transmission mechanism, an input shaft of the cutter gearbox is in transmission connection with an input shaft of the walking gearbox through a second transmission mechanism, and the reel mechanism is in transmission connection with an output shaft of the cutter gearbox. A second output shaft on the engine is in transmission connection with an input shaft of the spiral conveying roller gearbox through a power output transmission box, a pair of spiral conveying rollers is arranged on an output shaft of the spiral conveying roller gearbox, and a double-layer cutting knife is arranged on an output shaft of the cutting knife gearbox. According to the cutting machine, the cutting efficiency and effect of the rape male parents are greatly improved, time and labor are saved, and the labor cost is reduced.

The embodiment of the invention provides a vehicle hybrid power assembly. The vehicle hybrid power assembly comprises a storage battery, an inverter, a first motor, an engine, a second motor and a gearbox. The two motors are combined with the engine, the motors do not need to be combined into an existing engine gearbox, the structure is simple, and the transmission efficiency is high. In addition, when the vehicle runs at a low speed, the vehicle can be driven through the engine, large torque is provided for the vehicle, and overheating of the motor is avoided. When the vehicle runs at a high speed, the vehicle can be driven by the second motor, the two-gear gear set can meet different speed requirements of the vehicle, when the engine and the motors work at the same time, the engine can drive the first motor to generate electricity, then the storage battery is charged in the running process of the vehicle, and the endurance mileage of the vehicle is increased.

The invention relates to a transmission, and particularly relates to an eleven-gear transmission based on a planetary gear train. The eleven-gear transmission based on the planetary gear train solvesthe technical problem that an existing four-speed transmission and an existing six-speed transmission have limitations in the aspects of fuel economy, response power performance, stability and the like. The eleven-gear transmission based on the planetary gear train comprises a transmission shell and the planetary gear train. The planetary gear train comprises four planetary rows and seven gear shifting assemblies, wherein the four planetary rows and the seven gear shifting assemblies are arranged on the same shaft system; eight rotating bodies are formed among the four planetary row assembliesthrough connecting components such as rotating shafts; the gear shifting assemblies change the degree of freedom of the planetary gear train through clutches and brake; and different speed ratio transmission between an input shaft and an output shaft can be achieved through combination and separation of the different assemblies, and finally the gear shifting speed of at least eleven forward gearsand at least two reverse gears can be obtained. The eleven-gear transmission based on the planetary gear train has a more optimized speed ratio, and the power transmission performance and fuel economy of a vehicle are remarkably improved.

The invention discloses a hydraulic engine powered winch. The hydraulic engine powered winch comprises a gasoline engine, a hydraulic variable pump and a roller; a gasoline tank is arranged behind thegasoline engine, a coupler is arranged on the gasoline engine, an electric bottle is arranged on one side of the coupler, and the hydraulic variable pump is arranged on the coupler; and a radiator isarranged on one side of the gasoline engine, a hydraulic oil tank is arranged behind the radiator, a filter is arranged on the hydraulic oil tank, an overflow valve is arranged in front of the radiator, a ball valve is arranged on one side of the overflow valve, a hydraulic handle is arranged on one side of the ball valve, and an electric contact hydraulic pressure gauge is arranged above the hydraulic handle. The method has the beneficial effects that stepless variable speed can be realized, the requirements of a user for different speeds can be met, meanwhile, the load size can be displayed, so that a user can make a reasonable use method for judging the size of the load; and moreover, load size setting and load protection safety measures are provided, and therefore the convenience of using of the engine powered winch is improved.

The present invention discloses one kind of triangular rotor engine driven overside impeller, which includes triangular rotor engine in the upper part of the overside impeller and underwater power output mechanism driven with the engine through a driving shaft. The triangular rotor engine has output shaft and driving shaft connected directly and coaxially or indirectly via a reduction gear. The overside impeller with triangular rotor engine, rather than reciprocating engine, has reduced volume, light weight and capacity of producing high running speed.

The invention provides an oil pump and a vehicle. The oil pump comprises a drive shaft, a driven shaft and a motor, wherein a drive gear fixedly sleeves the drive shaft; a driven gear sleeves the driven shaft; the driven gear is engaged with the drive gear; the motor drives the driven shaft to axially move to change an engaged area of the driven gear and the drive gear. The oil pump can meet needs, under different rotation speeds, of an engine, so that engine oil pressure is kept on relatively stable level; and moreover, the oil pump is simple in structure and is compact in structure, and canreduce processing difficulty of the oil pump.