1、 If the electric vehicle realizes reverse driving by changing the rotation direction of the motor, and the switch switching of forward and reverse driving directions is only completed by one operation of the driver, a safety device shall be used to make the switch switch to the reverse position only when it is stationary or at low speed.

2、  Motor Drive shaft

3、The transmission shaft shall not vibrate and make abnormal noise during operation, and the intermediate bearing and universal joint shall not have cracks and looseness. When the transmission shaft of the passenger car is longitudinally arranged under the passenger compartment floor, there shall be protective devices to prevent the sliding connection (spline or other similar devices) of the transmission shaft from falling off or breaking and other faults that may cause danger.

4、 Motor drive axle

The drive axle shall work normally without abnormal noise.

The design structure of tricycle motor  and low-speed truck shall ensure that the driving speed of motor vehicle will not exceed its maximum design speed during actual use.

3  wheels vehicle

The  dayang factory occupies an area of ​​78,775 square meters, with a total construction area of ​​75,866 square meters, and currently employs 300 people, including 60 engineering and technical personnel; the industry’s leading modern industrial base. It costs hundreds of millions of yuan to build intelligent and flexible products production line 3  wheels vehicle.

The production equipment is complete, and the inspection equipment meets the production requirements, including 3 frame welding lines, 8 carriage welding lines, and 2 cab welding lines; 3 vehicle assembly lines, 2 vehicle inspection lines, and automobile paint lines 2 pieces，3  wheels vehicle。

Paint treatment for appearance parts of Dayang tricycle:

Different base plate structure, solid and durable

With different control experience, you can not hold the direction at 60km/h.

It can be braked with a little bit

All of them are Class A quality parts, which can be handled calmly under any circumstances.

The seat cushion, handrail (or strap) and pedal shall be set for the passenger seat of the main vehicle of two wheels motorcycle and side three wheels motorcycle.

1、 The hot surfaces of  three-wheels  motorcycle that may be touched during normal startup and operation according to the product instructions and whose temperature is greater than 80 ℃ measured at an ambient temperature of (23 ± 3) ℃ shall be equipped with permanently connected or fixed protective devices or baffles (which cannot be removed without tools).

2、 The transmission belt, fan, starting pawl, power output shaft and other exposed rotating parts of the three wheels truck and tractor transport unit shall be provided with protective covers, which shall meet the requirements of GB10395.1. When necessary, anti-skid measures shall be taken for pedals and pedals of tricycles.

3、 The  three-wheels  motorcycle , low-speed truck and tractor shall set up corresponding safety warning signs for the safety matters that need to be noticed. Safety warning signs shall comply with the requirements of GB10396.