Four-cable type grate contaminant removing machine

Abstract

The invention relates to a four-cable type grate contaminant removing machine comprising a frame, a double-output-shaft deceleration motor arranged on the top of the frame, a grate, and contaminant removing rake apparatuses. Flat keys are respectively arranged on two transmission shaft distal ends of the double-output-shaft deceleration motor. Wire rope winding units are arranged on the transmission shaft at the ends where the flat keys are arranged. The wire rope winding units are composed of main winding drums and hollow sleeve winding drums. The main winding drums rotate under motor power transmitted by the flat keys. A limit stop pair is arranged in the wire rope winding units. The hollow sleeve winding drums rotate with the point type brakes arranged on outer rims of hollow sleeve winding drum end caps through the limit stop pair. Wire ropes are arranged on the wire rope winding units. The wire ropes are connected with booms of the contaminant removing rakes. The four-cable type grate contaminant removing machine provided by the invention is advantaged in simple structure and stable operation.

Description

technical field [0001] The invention relates to sewage treatment equipment, in particular to a grid decontamination mechanical equipment for retaining and removing floating sundries in sewage. Background technique [0002] Since the early 1970s, with the technological development of my country's water treatment industry, the grid cleaning work of waterworks, sewage treatment plants, power plants, water conservancy projects, industrial wastewater treatment plants and other water intake structures and water pump stations has gradually been replaced by The mode of mechanical operation replaces manual operation. As a result, related mechanical equipment emerges as the times require, and its types tend to be diversified. [0003] At present, the grid decontamination machines used in the water treatment industry mainly include high-chain grid decontamination machines and wire rope grid decontamination machines. The high-chain grill decontamination machine is suitable for shallow w...

AI Technical Summary

Problems solved by technology

This kind of differential mechanism is realized by a brake belt, which is easy to slip and cannot obtain a reliable differential

In order to improve the differential structure, the name "hydraulic grid decontamination machine" appeared. The differential mechanism is controlled by a hydraulic device, which has a complex structure, high cost, and is prone to failure.

There is also a three-cable grille decontamination machine, which has strong adaptability to process conditions because there are no transmission parts underwater, and is still widely used today. The disengagement and meshing actions of the rake to the grid working surface are only pulled by a middle steel wire rope. Therefore, when the decontamination rake is raised and lowered, the two sides of the rake often cause the rake to vibrate due to deflection movement, causing serious damage to the management work. Greater difficulty, even failure, affecting the normal operation of the system

In addition, the closing action of the decontamination rake of the three-cable grill decontamination machine relies on the component force of the rake bucket’s self-weight on the oblique grill surface to insert the interval between the grid pieces. In order to obtain sufficient meshing force, the weight of the rake is relatively heavy. Heavy, the configuration and lifting power of the driving mechanism and hoisting mechanism are relatively large, and the lifting and closing of the decontamination rake requires two sets of driving devices to be driven separately, and the control system is more complicated. Therefore, the three-cable grid decontamination machine is There are still some defects in structure and function

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