Four-wheel flatbed cart capable of crawling short-step stairs

Abstract

The invention discloses a four-wheel flatbed cart capable of crawling short-step stairs. The cart comprises a cart front-end flat plate, a cart rear-side rotating plate, a bearing plate, a rotating shaft, a front wheel driving mechanism arranged at the lower end of the cart front-end flat plate, a rear wheel driving mechanism arranged below the rear end of the cart front-end flat plate, a supporting frame mechanism arranged above the rear wheel driving mechanism, and an auxiliary air pressure mechanism located on the left side of the supporting frame mechanism. The cart front end flat plate and the cart rear side rotating plate are rotationally connected through the rotating shaft, the front wheel driving mechanism comprises a front wheel rotating assembly used for rotating a front tire, and the auxiliary air pressure mechanism comprises a pneumatic starting assembly used for controlling starting pneumatic pressure. According to the technical scheme, the flat cart can adapt to steps with different heights and climb the steps, the levelness of the flat plate for bearing goods can be adjusted in a self-adaptive mode on the steep slope, and therefore it is guaranteed that the goods cannot topple over when the cart climbs on the steep slope, and the goods transporting efficiency is guaranteed.

Description

technical field [0001] The invention relates to the field of four-wheel flat carts, in particular to a four-wheel flat cart capable of climbing short stairs. Background technique [0002] The transport vehicle that is pushed and pulled by manpower is the originator of all vehicles. As an indispensable transport tool, the trolley has been widely used in production and life because of its low cost, simple maintenance, convenient operation, and self-weight. Lightweight, it is very convenient when carrying lighter items in a short time, but the return side of the tablet is only suitable for level ground and some slopes with small inclinations, and the cart cannot be used for climbing stairs. When encountering a small number of stairs, only It is possible to climb up the stairs by lifting the whole body, which greatly increases the waste of manpower, and at the same time, when encountering a slope with a large slope, it will cause the loaded goods to roll over. [0003] Therefor...

AI Technical Summary

Problems solved by technology

[0002] The transport vehicle pushed and pulled by manpower is the originator of all vehicles. As an indispensable transport tool, the trolley has been used until now. The reason why the trolley is widely used in production and life is because of its low cost, simple maintenance, convenient operation, and self-weight. Lightweight, it is very convenient to carry lighter items in a short time, but the return side of the tablet is only suitable for level ground and some slopes with small inclinations. The cart cannot be used for climbing stairs. When encountering a small number of stairs, only You can climb up the stairs by lifting the whole body, which greatly increases the waste of manpower. At the same time, when encountering a slope with a large slope, it will cause the loaded goods to roll over

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