A hydraulically assisted gate opening and closing device and its control method

Abstract

The technical solution of the present invention is achieved as follows: a hydraulically assisted gate opening and closing device includes a base, a gate body and opening and closing equipment arranged on the base, an auxiliary well is opened on the base, and the The opening and closing equipment includes a hoisting mechanism, a door opening mechanism and a door closing mechanism. The hoisting mechanism includes a motor and a rotating assembly. The door opening mechanism includes a first force wire rope. The door closing mechanism includes a weighted water tank, a second force wire rope , door-closing wire rope, and the first fixed pulley, the third fixed pulley, and the fourth fixed pulley fixed on the base; the present invention achieves the purpose of opening and closing the gate by switching between the first main force steel wire rope and the second main force steel wire rope, and simultaneously utilizes The weighted water tank balances the friction force when opening and closing the gate, which facilitates the opening and closing of the gate, and at the same time reduces the required kinetic energy, reduces the load on the motor, and improves the service life of the equipment.

Description

technical field [0001] The invention relates to the technical field of gate control, in particular to a hydraulically assisted gate opening and closing device and a control method thereof. Background technique [0002] The gate is a control facility for closing and opening the discharge (discharging) channel; as an important part of a hydraulic structure, it can be used to intercept water flow, control water level, adjust flow, discharge sediment and floating objects, etc.; gate It is usually used in hydraulic structures such as overflow dams, bank spillways, scuppers and hydraulic tunnels. It has the functions of intercepting water flow, controlling water level, regulating flow, controlling shipping, and discharging sediment and floating objects. [0003] When the existing gate is opened and closed, due to the upstream and downstream water head difference, there is a large friction force between the gate body and the track. The friction force is downward when the gate is op...

AI Technical Summary

Problems solved by technology

[0003] When the existing gate is opened and closed, due to the upstream and downstream water head difference, there is a large friction force between the gate body and the track. The friction force is downward when the gate is opened, and the friction force is upward when the gate is closed. Once the friction force is greater than its own weight , the hoist hoist without downforce cannot close the gate; in this case, a weighted block is often used to solve the problem, but the self-weight of the gate increases, the hoisting force increases, and the capacity of the hoist increases. Using multiple hoists brings a large load at the same time, and the cost increases greatly

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