RU2773221C1 - Forest fire unit based on bmp - Google Patents

Abstract

FIELD: fire extinguishing equipment.

SUBSTANCE: invention relates to fire extinguishing equipment and can be used in extinguishing forest fires. The forest fire unit based on the BMP includes a body, a caterpillar mover, a tower mounted on the body. At the rear of the hull is a compartment for firefighters. In the front part there is an engine and a compartment for a driver, and in the tower there is a compartment for accommodating one firefighter. Inside the case in its middle part there is a compartment in which a tank filled with a foaming agent, tightly closed with a lid with the possibility of unscrewing it, and a gear pump are placed. The latter is connected to the tank and to the pipe that goes around the tank from the outside. The pipe is connected to a two-way branch for supplying water or foam, which, in turn, is connected through a flexible hose to a switching valve, through which fire extinguishing fluid is supplied to the fire nozzle or foam generators.

EFFECT: use of an infantry fighting BMP-based unit for extinguishing a forest fire with increased mobility reduces the danger of extinguishing a fire, and the unit is also air transportable.

1 cl, 4 dwg

Description

The invention relates to fire fighting equipment and can be used in extinguishing forest fires.

Known machine LPM-02, created on the basis of the BMP-1 in 1995 [1]. Currently LPM-2 is successfully working on extinguishing natural fires in several regions of Russia and the Republic of Belarus. LPM-02 is designed to extinguish fires of medium and high intensity, including those directly in fire zones, localize them by laying barrage mineralized strips, extinguish underground (peat) fires, supply fire-fighting equipment and crew to the fire site, as well as to deal with spills and fires of oil products in case of accidents on oil and gas pipelines. This unit consists of a base chassis, on which two tanks for fire extinguishing liquid are mounted, a double-dump ditcher plow, a pump with a set of hoses.

The disadvantage of this unit is that filling with various equipment has led to a loss of buoyancy, which makes it impossible to use it when forcing water bodies. Also, this unit does not have a filter-ventilation unit, which makes it impossible for the crew and troops to overcome heavily smoky areas. Also, the disadvantages include low permeability on land due to the high specific pressure on the ground.

The closest in purpose is the forest fire unit LPA-521, designed to deliver forces and means to the place of forest fire work, extinguish forest ground fires with fire extinguishing liquids, air-mechanical foam (hand tools), create barrage mineralized strips, conduct preventive controlled burning [2 ]. The unit consists of an elongated base chassis, a wedge-pusher, a plow, a tank for extinguishing liquid, a portable motor pump.

The disadvantage of the prototype is that due to the ratio of greater length to width, the maneuverability of this unit is reduced compared to the base machine. This unit can only wade through water obstacles.

The technical result consists in the possibility of using the unit based on the BMP to extinguish a forest fire with increased mobility, since it can drive close to the fire while reducing the danger during extinguishing, and the unit is also air transportable.

The specified technical result is achieved by the fact that the forest fire unit based on the BMP includes a body, a caterpillar mover, a tower mounted on the body, in the rear part of the body there is a compartment for firefighters, in the front part there is an engine and a compartment for a mechanic - driver, in the tower there is a compartment for placement of one firefighter, according to the invention, inside the body in its middle part there is a compartment in which a tank is placed filled with a foaming agent, tightly closed with a lid with the possibility of unscrewing it, and a gear pump connected to the tank and to a pipe enveloping the tank from the outside, connected with a two-way branch for supplying water or foam, which, in turn, is connected through a flexible hose to a switching valve that supplies fire extinguishing fluid to the fire nozzle or foam generators.

The invention is illustrated by drawings.

In FIG. 1. depicts a forest fire unit based on an infantry fighting vehicle (side view); in fig. 2 shows a forest fire unit based on an infantry fighting vehicle (top view); in fig. 3. a diagram of water and foam communications is shown; in fig. 4 shows a diagram of the operation of the switching valve.

A forest fire unit based on an infantry fighting vehicle, including a body 1, a caterpillar mover 2, a tower 3 mounted on the body, in the rear part of the body there is a compartment 4 for firefighters, in the front part there is an engine 5 and a compartment 6 for the driver mechanic, in the tower 3 there is a compartment 7, to accommodate one firefighter, inside the housing in its middle part there is a compartment 8, in which a tank 9 is placed, filled with a foaming agent with a capacity of 0.3 m ³ , tightly closed with a lid 10 with the possibility of unscrewing it, and a gear pump 11 of the type tank 9 and pipe 12, enveloping the tank from the outside, connected to a two-way branch 13 for supplying water or foam, which in turn is connected through a flexible hose 14 to a switching valve 15, which will supply fire extinguishing fluid to the fire hose 16 or foam generators 17 .

The inventive forest fire unit based on the BMP operates as follows, depending on the situation when extinguishing forest fires.

Extinguishing a fire with water through a fire nozzle. Water for extinguishing is supplied from an external source through the valve 18, then the liquid through the two-way branching 19 enters the fire hose 16.

Extinguishing fire with foam. The water comes from an external source through the valve 18, at the same time from the tank 9 through the gear pump 11 the wetting agent enters through the flexible hose 14. The liquid and the wetting agent enter the two-way branching 19, from there into the foam generators 17.

The unit can work in the following options.

First option. When extinguishing fires, even if a fire blazes near water bodies, it can be problematic to get water from there, because. drivers cannot drive close to the water's edge due to the lack of access areas. In this regard, they are forced to carry a portable motor pump with them. In the proposed version of the work, the machine will immediately, without preparation, be able to drive onto the water surface and, along the hose line, which it will lay itself, will supply water with a wetting agent.

Second option. The car itself afloat will be able to extinguish a forest fire through a fire barrel.

Third option. On land, the car can drive up close to the source of combustion. At the same time, it will receive water from another machine, and the wetting agent will use it from its tank (9).

Fourth option. When delivering firefighters to the place of extinguishing: 6-8 people armed with knapsack sprayers will enter the landing compartment through the rear doors. Like the crew, they will be reliably protected from thermal radiation and heavy smoke by armor and a filter-ventilation unit. It would be possible to lead them confidently through the burning forest, ferry them across the rivers, and land them in front of the front of the fire. Firefighters will be able to put out small fires from their backpack sprayers through the top hatches or side loopholes at a stop or on the move.

Fifth option. This unit without any alterations of the troop compartment can be turned into a sleeve car. To do this, it is necessary to lay the fire hoses with a snake, which will be unwound on the go and laid on the ground through the open doors.

Depending on the situation, it will be possible to combine: one sleeves, one people, or people and sleeves together.

Sources of information

1. https://www.efcompany.ru/park/207/213. ATVs and swamps from Trade House "Efkom".

2. https://sibpsa.ru/sis_pp/sr_br/nazem/view.php?code=37. Reference and information system "Landscape fires". Fighting means.

Claims (1)

A forest fire unit based on an infantry fighting vehicle, including a body, a caterpillar mover, a tower mounted on the body, and in the rear part of the body there is a compartment for firefighters, in the front part there is an engine and a compartment for the driver, and in the tower there is a compartment for accommodating one firefighter, characterized in that inside the housing, in its middle part, there is a compartment in which a tank filled with a foaming agent is located, tightly closed with a lid with the possibility of unscrewing it, and a gear pump connected to the tank and a pipe enveloping the tank from the outside, connected to a two-way a branch for supplying water or foam, which, in turn, is connected through a flexible hose to a switching valve, through which fire extinguishing fluid is supplied to the fire nozzle or foam generators.

Images