2results about How to "Normal driving" patented technology

The utility model provides a remote control toy car wheel and a remote control toy car, and relates to the technical field of remote control cars, the remote control toy car wheel comprises a wheel body, a top plate and an anti-skid mechanism, the wheel body is used for being rotatably connected to a car body, and one end face of the wheel body is provided with a plurality of grooves at intervals along the same circumference; each groove extends to the outer circumferential surface of the wheel body; a plurality of grooves are formed in the wheel body, an anti-skid mechanism is arranged in each groove, each anti-skid mechanism comprises a spine structure, the spine structures are movably arranged in the grooves, and the tips of the spine structures are used for extending out of the outer circumferential surface of the wheel body under the action of gravity; the top plate is located on the side where one end face of the wheel body is located and fixedly connected to the vehicle body in the vertical direction, and the end, close to the ground, of the top plate is used for abutting against each spine structure so as to limit the corresponding spine structure to retract into the groove. Compared with the prior art, the wheel of the toy remote control car can enable the toy remote control car to normally run on a muddy and slippery road surface.

The utility model discloses a kind of fire engine chassis based on P3 parallel hybrid, including engine, clutch, automatic gearbox, driving motor, power takeoff, high-power water pump, power battery and transfer case, the engine is connected with automatic gearbox, and the engine is parallelly arranged with clutch, automatic gearbox and driving motor, the driving motor is electrically connected with power battery, the driving motor is connected with high-power water pump by power takeoff, the transfer case is used to disconnect coupling driving motor shaft, transmission front axle, transmission rear axle;The utility model is driven by the unique design of engine and driving motor parallelly, since driving motor has the characteristics of instantaneous output strong torque, cooperates with engine, so that the acceleration performance of fire engine is greatly improved, simultaneously in routine operation, driving motor can undertake power output task under partial working condition, reduce the running time and load of engine, to reduce fuel consumption.