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Portable fire pump

A fire pump and portable technology, applied in the field of portable fire pumps, can solve the problems of large volume, high energy consumption, and easy damage of fire pumps, and achieve the effects of convenient operation and maintenance, small size and excellent performance

Active Publication Date: 2012-01-18
西安航天泵业有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a portable fire pump with small volume, light weight, easy to carry, low energy consumption, and can automatically shut down the gasoline engine when the water source is insufficient, which solves the problem of large volume, heavy weight, and energy consumption of existing fire pumps. High and easily damaged technical issues

Method used

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Embodiment Construction

[0025] The portable fire pump of the present invention includes a gasoline engine 1, a pump body 2, a water suction valve and a vacuum drinking device, the pump body includes a sealing seat 4 connected to the gasoline engine, a pump casing 3 fixedly connected to the sealing seat 4, and a pump casing 3 arranged at the center of the pump casing. The main shaft 5, the last stage impeller 11, the second stage impeller 12, and the first stage impeller 13 fixed on the main shaft 5 in turn, the third stage centrifugal impeller, the last stage guide vane 21 and the guide vane 22 fixed in the pump casing 3 in order The main shaft 5 is fixedly connected with the coaxial thread of the output shaft of the gasoline engine 1, and the sealing seat 4 is provided with a main shaft sealing device 6; the three-stage centrifugal impellers all adopt hyperbolic blades; the main shaft sealing device 6 is a mechanical sealing device; the pump casing 3 adopts a barrel Bag layout.

[0026] The pump cas...

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Abstract

The invention relates to a portable fire pump comprising a petrol engine (1) and a pump body (2), wherein the pump body (2) comprises a sealing base (4), a pump shell (3), a main shaft (5), three-level centrifugal impellers and two-level guide blades, wherein the sealing base (4) is connected with the petrol engine (1); the pump shell (3) is fixedly connected with the sealing base (4); the main shaft (5) is arranged in the center of the pump shell (3); the three-level centrifugal impellers are sequentially fixed with the main shaft (5); the two-level guide blades are sequentially fixed in thepump shell (3); the main shaft (5) is coaxially connected with an output shaft of the petrol engine (1); and the sealing base (4) is internally provided with a sealing device (6). The invention solves the technical problems of large size, heavy weight, high energy consumption and easy damage of the traditional fire pump, has the advantages of small size, light weight, portability, low energy consumption and technical effect of the portable fire pump which can automatically close the petrol engine (1) under the condition of an insufficient water source.

Description

technical field [0001] The invention relates to a fire pump, in particular to a portable fire pump. Background technique [0002] The fire pumps used for fire protection and domestic water supply in narrow streets in cities and towns, small rural roads, steep slopes in mountainous forests, etc., are large in size, heavy in weight, high in energy consumption, and are easy to damage the fire pump and gasoline engine when the water source is insufficient. Existing fire pumps use 1-stage arc blades or 3-stage arc blades, which are relatively large in size, heavy in weight, high in energy consumption and easily damaged. Contents of the invention [0003] The object of the present invention is to provide a portable fire pump with small volume, light weight, easy to carry, low energy consumption, and can automatically shut down the gasoline engine when the water source is insufficient, which solves the problem of large volume, heavy weight, and energy consumption of existing fire...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04D1/06F04D15/00F04D29/22F04D29/10F04D29/42
Inventor 赵卫忠金忠升石磊韩卫钊马玉琴席建厂高宏刘晓洪李天武刘楠吴晓磊王秀岩王明星朱保民
Owner 西安航天泵业有限公司
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