Automatic tower crane clamp switching device and method based on material feature analysis

Abstract

The invention discloses an automatic tower crane clamp switching device and method based on material feature analysis. According to the automatic tower crane clamp switching device and method, an image acquisition device acquires an image of to-be-lifted materials located near a lifting hook, a material type recognition module analyzes the image to recognize the type and the number of to-be-lifted parts contained in the to-be-lifted materials, a hanging part specification recognition module judges specification parameters of a hanging part needed for lifting based on the type and the number of the to-be-lifted parts, a lower clamp control module controls a lower clamp, matched with the hanging part in specification parameters, on the lifting hook to clamp a clamping section, connected to the lifting hook in a sleeving mode, of the hanging part after recognizing the hanging part, and an upper clamp control module controls an upper clamp, matched with the hanging part in specification parameters, on the lifting hook to move to the clamping section and embrace the clamping section together with the lower clamp after judging that the lower clamp is clamped in place according to the clamping force. According to the device, various clamps capable of clamping the hanging parts of various models are arranged on the lifting hook, so that the lifting hook can meet the clamping requirements of the hanging parts of various models at the same time.

Description

technical field [0001] The present application relates to the technical field of tower crane control, in particular to an automatic switching device and method for tower crane fixtures based on material characteristic analysis. Background technique [0002] Tower crane, also known as tower crane, is a kind of lifting equipment commonly used on construction sites. In the mechanical structure of the tower crane, the actuator that actually lifts the material is the hook. Before the material is lifted each time, the hook is controlled by the pulley and lowered to the vicinity of the upper part of the material. The material has been packed into a whole and The hooking part (such as a steel cable) is used as the medium for the hook socket, and the hooking part will form a lifting part above the material, and the lifting part will be placed on the inner hook surface of the hook, and then The hook is lifted under the control of the pulley, and the lifting part of the hook is tighte...

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Problems solved by technology

[0004] However, the weight of the material to be hoisted is heavy or light. For heavy building materials such as steel structures and for light building materials such as decorative materials, the types of mounting parts used are different to meet the needs of different users. The strength requirements of the material, but the clamps on the hook can only be adapted to clamp a single type of attachment, which makes it impossible to use the same clamp for any type of attachment. The clamping requirements of various types of hook parts reduce the clamping effect of the fixture

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