Safety AGV (automatic guided vehicle)

Abstract

The invention particularly relates to a safety AGV (automatic guided vehicle) which is low in cost and flexible in arrangement. The AGV comprises a disk-shaped platform, omnidirectional wheels are arranged on the lower portion of the platform, an annular guide rail is arranged on the outer side face of the platform, at least six guide wheel sets capable of moving along the annular guide rail are arranged on the annular guide rail, each guide wheel set comprises two guide wheels which are mounted at two ends of an arc-shaped support, and a safety airbag in the shape of a crescent moon after inflation is arranged at a corresponding position of the outer side of the support. A panoramic binocular camera and an ultrasonic distance measuring sensor are arranged on the periphery of the platform,and a speed sensor and a triaxial acceleration sensor are further arranged on the platform. A plurality of guide wheel sets are arranged on the AGV, one safety airbag is arranged in each guide wheelset, dangerous positions are automatically judged when the AGV runs, the guide wheel sets at non-dangerous positions are moved to the dangerous positions, the protective range of the dangerous positions is effectively widened, the AGV is compact in structure, and the guide wheel sets are simple in structure and convenient to mount and maintain.

Description

technical field [0001] The invention relates to the technical field of AGV trolleys used in storage systems, in particular to a safe AGV trolley. Background technique [0002] In the automated storage system, the AGV trolley is the key equipment of the system. The existing AGV trolley (Automated Guided Vehicle, referred to as AGV), also known as unmanned van, refers to equipped with automatic guidance devices such as electromagnetic or optical, which can drive along the prescribed guiding path, and has safety protection and various transfers. Functional transport vehicle, a transport vehicle that does not require a driver in industrial applications, uses a rechargeable battery as its power source, and generally controls its travel route and behavior through a computer, or uses an electromagnetic path-following system to set up its For the traveling route, the electromagnetic track is pasted on the floor, and the unmanned van relies on the information brought by the electrom...

AI Technical Summary

Problems solved by technology

[0003] For the existing AGV cars, collisions with obstacles or collisions between cars often occur during operation, so it is necessary to design anti-collision measures. However, the existing anti-collision measures are not perfect, such as the installation of anti-collision buffer devices Patents such as CN201620658216, the device includes a mounting base, an anti-collision plate, a first buffer sub-mechanism and a second buffer sub-mechanism, although the collision buffer device can reduce the impact force and play a buffer role, such an anti-collision device is only for The protection of the traditional AGV car with the same steering mode as the car, but the current AGV car with omnidirectional wheels is widely used due to its extremely small turning radius and flexible walking characteristics, and the AVG car with omnidirectional wheels can realize Straight and lateral travel, when traveling laterally, its two sides become the front of the travel direction, while the traditional collision buffer mechanism can only achieve protection in one direction, which cannot meet the needs of AGVs with omnidirectional wheels. According to the requirements of safety protection, if one wants to realize protection in four directions when walking, the size and weight of the protective device are large, and the structure is complicated, the number of parts is large, the cost is high, and it is difficult to maintain

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