Q:Can babies sleep on a baby cart for a long time

Some moms do not have to be on the cart because they want to make the baby more comfortable. Too soft sleeping pads are just as soft as the back of your back, and it's bad for your baby's spine. So the proper hardness is the best. In the summer, it is also important to breathe and wash regularly. In winter, a sleeping bag or a foot suit will also need to be fitted for the baby to keep warm.

Q:What is the difference between LV1 and LV10?

Running speed. There is also a difference in the weight of the car. LV1 is the slowest of all LV1 walks. And so on. The same thing with load.

Q:How does the wheelbarrow have a reasonable arrangement with the wheel and the directional wheel

The front is a directional wheel, and the rear is a reasonable arrangement. The main control direction of the wanxiang wheel in the back, the torque is smaller when changing direction. So, it's easier to turn.

Q:What is the weight of the wheel on the cart

It is recommended to contact bearing 7305 or conical roller bearing 30305 (the former is recommended because the latter is suitable for overloading). The two kinds of bearings have to be used face to face or back-to-back

Q:Why did the rear wheel of the cart choose the wheel

You can practice it if you like, and change it to experience it! It sure makes you angry,

Q:I want to change an electric cart for myself, it's 200 to 300 jins, it can be adjusted, but I don't know how to use electric motors

Do not change the single buy big horsepower motor is too expensive, the power big, the motor too big we have the professional power plant, the assembly line produces, the cost is low.

Q:What is the etiquette of having a trolley in the form room

Translation and rotation are for rigid bodies, so the distance between the object at any point in motion is constant, and it doesn't become its mirror image. The motion of a point can always be seen as translational. Translation is the motion of an object, moving from one point to another, from one point to the other. It can also be defined as the movement of "the same movement" on every point in the object when it moves. One definition is not so good, after the initial position is not the same as "sports is the same, but the trajectory shape is the same size, but not necessarily" movement is the same, such as a circular ring around the heart, each point of trajectory is same shape and size is the same. Rotation is when an object moves, each point from the same point (can) outside the object distance constant movement, known as turn around this point, the point is called the center of rotation of the object.

Q:Why is the elevator in the supermarket holding the cart still?

Supermarkets elevator (slope) is called the pavement, standing above the person's name is pedal, each step panel by the strips along the direction of higher rod, at ordinary times we are standing on the rod, and the wheels of the cart is special, the wheels on both sides are prominent rod, on flat ground the car by rod rolling contact with the ground, the wheels on the height of the rod lower down in the middle position has a few fixed rubber (not on the spinning wheel), push the car to the pedal and the thorns into the groove of the pedal.

Q:Is it a pushcart or a car?

When pulling a car, the force of the direction points upward, creating two forces. One goes forward to overcome resistance; The other vertical, which reduces the pressure on the ground, reduces drag. Therefore, when pulling a car, the resistance that needs to overcome is small, also the province force

Q:Four wheelbarrow steering wheels should be installed in the wheel

?found in Internet, has become the mainstream, is reasonable, so increased the front wheel orientation device, actually to the rear wheel steering this problem to solve immediately, seldom turned to for four-wheel baby stroller, appeared a three-wheeled stroller, but is still a front wheel steering,,,, and four-wheel steering,,, there will be other USES? Difficult to have