Firefighting water cannon

Abstract

The invention provides a firefighting water cannon. The firefighting water cannon comprises a supporting disc, a shell I arranged above the supporting disc and a shell II arranged under the supporting disc, a water inlet tube connected to the supporting disc in a rotary manner is arranged above the supporting disc, and a solenoid valve is arranged on the water inlet tube; and a special-shaped water tube fixedly connected to the supporting disc, a nozzle hinged to the special-shaped water tube and a baffle plate sleeved on the nozzle are arranged under the supporting disc, the water cannon also comprises a transmission mechanism and a clutch mechanism being able to switch between a horizontal driving mode and a vertical driving mode, and the supporting disc is fixedly provided with a stepping motor used for driving the clutch mechanism and the transmission mechanism to realize horizontal rotation or vertical swinging of the nozzle of the firefighting water cannon. The firefighting water cannon adopts single-motor driving, so the size of the water cannon is effectively reduced, and the part cost is saved.

Description

technical field [0001] The invention relates to fire fighting equipment, in particular to a fire water cannon. Background technique [0002] The fire water cannon converts a certain pressure and a certain amount of water through energy conversion, and sprays it from the nozzle of the nozzle at a high speed to form a jet to extinguish the fire at a certain distance. It is widely used in flammable and explosive Petrochemical enterprises, oil terminals and other places and fire-prone areas. In use, in order to make the water column spray to the target point quickly and accurately, it is necessary to accurately adjust the direction of the water cannon nozzle from multiple angles and directions, so the steering device of the water cannon needs to meet the requirements of fast and accurate. [0003] At present, most of the commonly used fire water monitors on the market are driven by dual motors. One motor drives the water monitor to rotate or swing horizontally, and the other el...

AI Technical Summary

Problems solved by technology

[0003] At present, most of the commonly used fire water monitors on the market are driven by dual motors. One motor drives the water monitor to rotate or swing horizontally, and the other electrode drives the water monitor to rotate or swing vertically. This design not only increases the overall size of the water monitor, but also increases production. cost

Moreover, most of the mechanical parts that realize the horizontal rotation or vertical swing of the water monitor are relatively complicated structures

For example, the published application number is 201210376552.3, which is named "an electric control fire water monitor" and mentions that: the horizontal swing mechanism includes a first motor, a first worm, a first worm wheel and a first shaft coupling The first worm gear is set on the base, the first worm and the first motor are set on the water inlet pipe, the first output shaft of the first motor and the first worm are connected by the first coupling The shaft is connected, and the first worm and the first worm gear are meshed with each other; the pitch and swing mechanism includes a second motor, a second worm, a second worm gear and a second coupling, and the second worm gear The second worm and the second motor are arranged on the water outlet pipe, the second output shaft of the second motor is connected with the second worm through a second coupling, and the The second worm and the second worm gear mesh with each other, the "horizontal swing mechanism" is driven by the "first motor", and the "tilt swing mechanism" is driven by the "second motor". The volume of the water cannon is relatively large, and the cost is also high. The important thing is, how to use only one motor to drive the two parts of the movement mechanism and achieve fast and accurate positioning is an unsolved problem in the current technology

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