CN216199040U

CN216199040U - Movable fire-fighting booster pump

Info

Publication number: CN216199040U
Application number: CN202122878858.6U
Authority: CN
Inventors: 苏琳; 商明华; 路頔; 展杰; 周兆威
Original assignee: Shanghai Fire Research Institute of MEM
Current assignee: Shanghai Fire Research Institute of MEM
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-05
Anticipated expiration: 2031-11-23

Abstract

The utility model relates to a movable fire-fighting booster pump, which comprises a gasoline engine, a pump body and a controller; an impeller is arranged in the pump body, and the power input end of the impeller is coaxially connected with the output shaft of the gasoline engine; one end of the pump body is a water outlet for connecting with a water pipe, and the other end of the pump body is a water outlet for connecting with the water pipe; the water inlet is provided with an inlet pressure sensor, and the water outlet is provided with an outlet pressure sensor; the controller is simultaneously connected with the gasoline engine, the inlet pressure sensor and the outlet pressure sensor. The power ratio of the utility model only needs to consider the surplus power when the pressure of the intake water is brought, the pressure bearing of the pump body does not need to consider the condition of the pressure of the inlet, and the utility model can simultaneously realize the connection between the series-parallel connection mode and the fire engine and realize the remote large-flow pressurization water supply and liquid supply on site; the problems of insufficient pressure and small flow of the fire-fighting gun in the forecourt under the conditions of ultrahigh and ultra-long distance liquid supply are solved.

Description

Movable fire-fighting booster pump

Technical Field

The utility model relates to a movable fire-fighting booster pump, and belongs to the technical field of movable booster pumps.

Background

At present, the building design is developed rapidly, modern buildings are increasingly complex, roads are narrow, personnel are dense, channels are occupied, a fire fighting truck cannot be directly sent to the site, and the existing main fighting fire fighting truck cannot meet the requirement of large-flow water supply in an ultra-long distance.

On the other hand, the high-rise building is rapidly increased, the number of three-dimensional vertical shafts is large, the speed of fire spreading channels is high, and the fire extinguishing and rescue difficulty is high. The water hose pressure loss caused by the ultra-high and ultra-long distance liquid supply is very large, the tail end water outlet pressure is small, the rated pressure working condition of the existing fire-fighting gun cannot be met, the effective supply flow is reduced, the range is reduced, and whether enough water pressure is supplied to convey the water to the fire scene or not plays a vital role in putting out a fire to the fire scene.

Disclosure of Invention

The utility model aims to provide a movable fire-fighting booster pump to solve the problems of insufficient pressure and small flow of a forecourt fire-fighting gun under the conditions of ultrahigh and ultra-long distance liquid supply in the background technology.

The utility model adopts the following technical scheme:

a movable fire-fighting booster pump comprises a gasoline engine, a pump body and a controller; an impeller is arranged in the pump body, and the power input end of the impeller is coaxially connected with the output shaft of the gasoline engine; one end of the pump body is a water outlet for connecting with a water pipe, and the other end of the pump body is a water outlet for connecting with the water pipe; the water inlet is provided with an inlet pressure sensor, and the water outlet is provided with an outlet pressure sensor; the controller is simultaneously connected with the gasoline engine, the inlet pressure sensor 5 and the outlet pressure sensor.

Furthermore, the device also comprises a matched connecting pipeline; the matched connecting pipeline comprises a parallel water conveying pipeline for parallel use of at least 2 movable fire-fighting booster pumps and a series water conveying pipeline for long-distance liquid supply of a single movable fire-fighting booster pump.

Preferably, still include the pump cover, the pump body is connected with the pump cover.

Furthermore, the gasoline engine and the pump body are fixedly connected through a bearing and a flange, and are sealed by adopting a mechanical sealing part.

Furthermore, the pump body and the pump cover are connected through threads.

Furthermore, the movable fire-fighting booster pump is connected with one of a fire truck, a fire hydrant and a fire hose in a clamping/inner-buckling type fire-fighting quick connector mode.

Preferably, the pump body is made of light aluminum alloy material, and the inner wall of the pump body is provided with a corrosion-resistant Teflon coating.

The utility model has the beneficial effects that:

1) the design is ingenious, the operation is convenient, the surplus power when the intake pressure is taken into account is only needed in the power ratio, the condition that the inlet pressure is taken into account is not needed in the pressure bearing of the pump body, the connection between the series-parallel connection mode and the fire engine can be realized, and the remote large-flow pressurized water supply and liquid supply are realized on site.

2) The problems of insufficient pressure and small flow of the fire-fighting gun in the forecourt under the conditions of ultrahigh and ultra-long distance liquid supply are solved.

Drawings

Fig. 1 is a schematic structural view of a mobile fire fighting booster pump according to the present invention.

FIG. 2 is a schematic diagram of the series-parallel connection mode of the mobile fire fighting booster pump of the present invention.

In the figure: 1-a gasoline engine; 2-a pump body; 3-an impeller; 4-pump cover; 5-inlet pressure sensor; 6-outlet pressure sensor; 7-mechanical sealing means; 8-bearing.

Detailed Description

The utility model is further described with reference to the following figures and specific examples.

Referring to fig. 1, a mobile fire-fighting booster pump comprises a gasoline engine 1, a pump body 2 and a controller; an impeller 3 is arranged in the pump body 2, and the power input end of the impeller 3 is coaxially connected with the output shaft of the gasoline engine 1; one end of the pump body 2 is a water outlet for connecting with a water pipe, and the other end is a water outlet for connecting with the water pipe; the water inlet is provided with an inlet pressure sensor 5, and the water outlet is provided with an outlet pressure sensor 6; the controller is simultaneously connected with the gasoline engine, the inlet pressure sensor 5 and the outlet pressure sensor 6.

In this embodiment, referring to fig. 2, a mating connection line is also included; the matched connecting pipeline comprises a parallel water conveying pipeline for parallel use of at least 2 movable fire-fighting booster pumps and a series water conveying pipeline for long-distance liquid supply of a single movable fire-fighting booster pump.

In this embodiment, referring to fig. 1, a pump cover 4 is further included, and the pump body 2 is connected with the pump cover 4.

In this embodiment, referring to fig. 1, the gasoline engine 1 is fixedly connected with the pump body 2 through a bearing 8 and a flange, and is sealed by a mechanical sealing part 7.

In this embodiment, referring to fig. 1, the pump body 2 and the pump cover 4 are connected by screw threads.

In this embodiment, the movable fire fighting booster pump is connected to one of a fire truck, a fire hydrant, and a fire hose in a snap-in type/snap-in type fire fighting quick coupling manner, and it should be noted that the snap-in type connection and the snap-in type connection both belong to the prior art in the field, and therefore detailed descriptions of the specific structure and principle of this embodiment are omitted.

In this embodiment, the pump body 2 is made of a light aluminum alloy material, and the inner wall is coated with a corrosion-resistant Teflon coating.

The gasoline engine 1 and the pump body 2 are connected by the bearing 8 and sealed by the mechanical sealing part 7, the inlet pressure resistance of the device is improved on the premise of providing power for the pump body 2, the impeller 3 in the pump body 2 is driven by the gasoline engine 1 to introduce water into the pump, and the water is pressurized by the impeller 3. Meanwhile, an inlet and an outlet of the pump body 2 are respectively connected with an inlet pressure sensor 5 and an outlet pressure sensor 6, and through transmitting a pressure signal to a control system of the pump, the control system can automatically start the gasoline engine and control the rotating speed of the gasoline engine according to an inlet pressure value and decelerate and limit pressure according to an outlet pressure value at high pressure.

The mobile fire fighting booster fire pump has two working modes in actual work, as shown in figure 2. When large-flow pressurized liquid supply is needed, a plurality of movable pressurized fire pumps can be connected in parallel, and when long-distance liquid supply is needed, a plurality of movable pressurized pumps can be connected in series.

While the preferred embodiments of the present invention have been described, those skilled in the art will appreciate that various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a portable fire control booster pump which characterized in that:

comprises a gasoline engine (1), a pump body (2) and a controller;

an impeller (3) is arranged in the pump body (2), and the power input end of the impeller (3) is coaxially connected with the output shaft of the gasoline engine; one end of the pump body (2) is a water outlet for connecting with a water pipe, and the other end of the pump body is a water outlet for connecting with the water pipe;

the water inlet is provided with an inlet pressure sensor (5), and the water outlet is provided with an outlet pressure sensor (6);

the controller is simultaneously connected with the gasoline engine (1), the inlet pressure sensor (5) and the outlet pressure sensor (6).

2. The mobile fire fighting booster pump of claim 1, wherein:

the device also comprises a matched connecting pipeline;

the matched connecting pipeline comprises a parallel water conveying pipeline for parallel use of at least 2 movable fire-fighting booster pumps and a series water conveying pipeline for long-distance liquid supply of a single movable fire-fighting booster pump.

3. The mobile fire fighting booster pump of claim 1, wherein: still include pump cover (4), pump body (2) are connected with pump cover (4).

4. The mobile fire fighting booster pump of claim 2, wherein: the gasoline engine (1) and the pump body (2) are fixedly connected through a bearing (8) and a flange, and are sealed by a mechanical sealing part (7).

5. The mobile fire fighting booster pump of claim 4, wherein: the pump body (2) is connected with the pump cover (4) through threads.

6. The mobile fire fighting booster pump of claim 2, wherein: the movable fire-fighting booster pump is connected with one of a fire truck, a fire hydrant and a fire hose in a clamping/inner-buckling type fire-fighting quick connector mode.

7. The mobile fire fighting booster pump of claim 1, wherein: the pump body (2) is made of light aluminum alloy material, and the inner wall of the pump body is coated with a corrosion-resistant Teflon coating.