That can be done, 1 meter wide (not counting stair banisters) stairs, straight up stairs (horizontal length is 4 meters), without turning.
The main meaning of the question should be not to do a three-run staircase folding back and forth, but need to set up stairs along the left and right and the bottom wall, in fact, set up stairs along the left and right and the bottom wall, in essence is the so-called three-fold is actually a three-run staircase.
shouldYes: the middle rest platform is 1400×500, and there are still 3 meters of stairs left. Six steps can be set each (as shown in the figure, the upper and lower horizontal projections are partially overlapping to ensure the width of the steps). The height of each step is 20cm, which is slightly high but acceptable.
Can be done, the total width of the stairs can only be 80 cm, 14 high, that is, the height of each step is a little more than 20 cm, the surface width is only 20 cm in the middle of the rest platform plus a step, in general, a little steep.
Step width 26 cm, step height 16 cm, stairwell length 520 cm. Stairs can be divided into single run stairs and double run stairs according to the ladder sectionNew rules to buy. Therefore, the purchase and use of electric car chargers is particularly critical, and a little inattention will cause a disaster.
Brand and quality: Choose well-known brands and buy high-quality electric vehicles. Battery and range: Learn about the battery technology and range of electric vehicles. Charging facilities: Before purchasing an electric vehicle, you need to consider whether the surrounding charging facilities are convenient. Cost: Electric cars are more expensive than traditional cars, considering economic strength and use needs. Insurance and maintenance: Buying an electric vehicle requires understanding the policies and costs associated with insurance and maintenance.
Make sure the lock of the battery compartment is secure! -- The battery carStorage bins usually coexist with batteries, so the choice of lock head is crucial. Observe the type carefully to ensure that adequate protection can be provided to prevent battery theft. Preference is given to the battery car with disc brake! -- The brake system of the electric vehicle cannot be ignored. The disc brake can stop quickly and safely, so be sure to check whether the battery car is equipped when purchasing.
Look at the battery: the first thing to buy an electric car is to look at the battery's endurance, the battery can be described as the heart of the electric car, the battery affects the life and performance of various components of the electric car. The longer the battery life and service life, the service life of electric vehicles can also be very goodGood prediction. Look at the charger: whether the charger will accelerate the consumption of TV life, or how the safety quality of the charger, this is something we need to carefully choose and consider.
Battery car battery. The quality of the battery car is mainly in the battery above, some businesses will assemble the car as a new car sales, the battery shelf life of the assembled car is not as long as the shelf life of the new car, so pay attention to check whether the battery is the original battery. The brakes of the battery car.
Electric vehicles are now very popular, convenient and fast, the important thing is clean and pollution-free, but you still need to pay attention to when buying electric vehiclesA lot of things are need to pay attention to drop! How to choose? First, determine the use of demand to think about the main use of electric vehicles, is it used for commuting? Or just for fun? The use of different needs, the model, mileage and other requirements are not the same.
1, recommend to buy Yadi, Tai Ling, Knife and other brands of electric vehicles. Yadi's models are positioned in the high-end market, with a balanced performance in all aspects, which is very suitable for short-distance commuters. The battery life of the Tailing is excellent, and it is oriented towards the mid-rangeIn the market, the price is about 3000 yuan, and the cost performance is very high. Although the knife has a slightly lower battery life, it is very durable and is ideal for cargo and commercial use. It is recommended to choose the right brand and model according to your specific needs and budget. From the point of view of personal use, I think the calf electric car is one of the best and most durable brands. The appearance design of the calf electric car is stylish and atmospheric, the body structure is durable, the battery life is strong, the motor and control system is advanced, and the after-sales service is also very good. In the process of personal use, the calf electric car has brought me a good driving experience and a sense of security. If you need a high qualityThe Calf electric car is a good choice.
3, I think Yadi electric vehicles are the best, the sales network is all over the world 100 countries and regions, and for 6 consecutive years to maintain the industry's global sales first. Yadi electric vehicles are known for high quality, stylish appearance, stable performance and high safety, using high-quality motor, battery and controller accessories, equipped with brake system, lighting system, anti-theft system and other safety facilities, to provide consumers with a reliable riding experience. Yadi Electric is a trusted brand that is loved by consumers.