Fully-open hydraulic grab bucket

Abstract

The invention relates to a fully-open hydraulic grab bucket, which comprises a rear straight tooth, a front bent tooth, a first hydraulic cylinder, a second hydraulic cylinder, a central hoisting rod and a gravity center adjusting device. The tail end of the rear straight tooth and the tail end of the front bent tooth are respectively hinged at two ends of the gravity center adjusting device, both one end of the first hydraulic cylinder and one end of the second hydraulic cylinder are hinged at the tail end of the rear straight tooth, the other end of the first hydraulic cylinder is hinged at one end, which is connected with the front bent tooth, of the gravity center adjusting device, the other end of the second hydraulic cylinder is hinged on the outer side of the tail end of the front bent tooth, the upper end of the central hoisting rod is connected to the lower side of a lifting winch device in a suspension manner, the lower end of the central hoisting rod is hinged at the tail end of the rear straight tooth, and the central hoisting rod is limited by the gravity center adjusting device so that the rear straight tooth is perpendicular. A grab head can be completely opened horizontally, the straight tooth of the grab bucket is always perpendicular to a water level, and the fully-open hydraulic grab bucket has the advantages of stability in running, reliability, high sewage disposal efficiency and the like, and is applicable to various gratings and various complicated water flow feeding and draining ports.

Description

technical field [0001] The invention relates to a hydraulic grab cleaning machine, in particular to a novel fully-open hydraulic grab whose grab head can be fully opened at a flat angle of 180°, and whose straight teeth are always perpendicular to the water surface. Background technique [0002] Most of the intakes of hydropower stations or municipal water supply and drainage projects are equipped with gates with grilles to intercept sundries and dirt in the water body. Therefore, cleaning equipment must be equipped to clean the grilles. The traditionally used cleaning equipment is a rotary cleaning machine or a rake bucket cleaning machine, both of which have long-term immersion in water, are prone to corrosion damage and underwater failures, poor performance, and short life. Floating objects, as well as thick sticks, balls, large bubble plastics, wood blocks, branches, roots, bamboo branches, etc. The scope of application is small. [0003] Existing mobile grab cleaning...

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems in the prior art that the gravity center of the grab cleaning machine is not stable due to the impact of the water flow after being launched into the water, the self-weight of the sundries on the pushing grid is not enough, it is easy to tilt and overturn, it is unsafe to use, and the cleaning efficiency is low, etc., the present invention provides a A fully open hydraulic grab with simple structure, stable and reliable operation, high cleaning efficiency and safe use

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