CN217813994U

CN217813994U - Hydraulic axial flow water pump

Info

Publication number: CN217813994U
Application number: CN202222038376.4U
Authority: CN
Inventors: 刘金华
Original assignee: Jiujiang Jinrui Pipeline Dredging Co ltd
Current assignee: Jiujiang Jinrui Pipeline Dredging Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-11-15
Anticipated expiration: 2032-08-03

Abstract

The utility model relates to the field of fluid machinery, in particular to a hydraulic axial flow water pump, which comprises an axial flow pump and a hydraulic motor arranged below the axial flow pump, wherein a driving shaft of the hydraulic motor is connected with an impeller of the axial flow pump through a flange; one end of the axial flow pump, which is close to the hydraulic motor, is an axial flow pump inlet end, and one end of the axial flow pump, which is far away from the hydraulic motor, is an axial flow pump outlet end; the axial-flow pump is fixedly connected with the hydraulic motor through a connecting rod; a shell cover is arranged outside the hydraulic motor, and a filter screen is arranged between the axial flow pump and the hydraulic motor.

Description

Hydraulic axial flow water pump

Technical Field

The utility model relates to the field of fluid machinery, concretely relates to hydraulic pressure axial compressor water pump.

Background

The submersible pump is an important device for pumping water from a deep well, and when the submersible pump is used, the whole unit is submerged to work, so that underground water is pumped to the ground surface, and the submersible pump is suitable for the fields of domestic water, mine rescue, industrial cooling, farmland irrigation, seawater lifting, ship load regulation and the like.

The existing submersible pump is driven by a motor, the motor needs to be immersed into water together with an axial-flow pump, the motor insulation mostly adopts two insulation media of transformer oil and distilled water to fill the inner space of the motor, a sealing pressure-resistant standard above atmospheric pressure is required to prevent water outside the pump from entering the stator winding space of the motor, the motor insulation is ensured, the transformer oil and the distilled water are liquids, the volume of the transformer oil and the distilled water is in direct proportion to the temperature, when the motor runs, a stator core, a coil and a rotor can generate heat to different degrees, the temperature of the insulation media can also rise to 80-120 ℃, the volume of the insulation media can also be enlarged, the pressure of the heated insulation media on the periphery is far greater than one atmospheric pressure, the motor shell has high strength, the heated insulation media can only break a gap between a rotating shaft at the upper end of the motor and a rubber seal, the insulation media overflow outside the pump, the water outside the pump immediately enters the pump after the insulation media are cooled, the stator winding insulation is broken after the insulation is used for a period of time, and the motor is burnt, and the motor cannot normally work and run.

The patent of the prior art is a water seepage prevention method for a submersible pump, and the application number is CN200510133619.0, insulation media can overflow along an oil filling pipe after being heated, so that a thermosensitive element control valve is deformed and opened and enters an overflow container, the insulation media are gradually cooled after a motor is stopped, the insulation media entering a container flow back to the oil filling pipe, the thermosensitive element control valve returns to the original state and blocks an oil filling pipe opening.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the defect of above-mentioned technique, provide a hydraulic pressure axial compressor water pump.

In order to solve the technical problem, the technical scheme provided by the utility model is a hydraulic axial flow pump, which comprises an axial flow pump and a hydraulic motor arranged below the axial flow pump, wherein a driving shaft of the hydraulic motor is connected with an impeller of the axial flow pump through a flange;

one end of the axial flow pump, which is close to the hydraulic motor, is an axial flow pump inlet end, and one end of the axial flow pump, which is far away from the hydraulic motor, is an axial flow pump outlet end;

the axial-flow pump is fixedly connected with the hydraulic motor through a connecting rod;

a shell cover is arranged outside the hydraulic motor, and a filter screen is arranged between the axial flow pump and the hydraulic motor.

As an improvement, the shell cover is fixedly connected with the filter screen.

As an improvement, the outlet end of the axial flow pump is connected with the outlet short connecting pipe through a flange.

Compared with the prior art, the utility model the advantage lie in:

the axial-flow pump is driven by the hydraulic motor, and the power system for providing high-pressure and high-speed fluid for the hydraulic motor is arranged above the water surface, so that electric leakage damage caused by soaking of electrical equipment in water is avoided, the safety of personnel is ensured, the maintenance is convenient, and the maintenance workload is small.

Drawings

FIG. 1 is a schematic diagram of a hydraulic axial flow water pump;

FIG. 2 is a schematic structural view of the hydraulic axial-flow water pump with the housing removed;

FIG. 3 is a schematic diagram of a half-section structure of the hydraulic axial flow water pump.

FIGS. 1-3 show: 1. the device comprises an axial flow pump, 2, a hydraulic motor, 3, a connecting rod, 4, an outlet short connecting pipe, 5, a shell cover, 6, a driving shaft, 7, an impeller, 8 and a filter screen.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

In the description of the embodiments of the present invention, it should be noted that, if the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, it is only for convenience of description of the present invention and simplification of description, but not for indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and therefore, the present invention should not be construed as being limited thereby. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The hydraulic axial flow water pump of the present invention will be described in further detail with reference to the accompanying drawings.

With reference to fig. 1-3, a hydraulic axial-flow water pump includes an axial-flow pump 1 and a hydraulic motor 2 disposed below the axial-flow pump 1, wherein a driving shaft 6 of the hydraulic motor 2 is connected to an impeller 7 of the axial-flow pump 1 through a flange;

one end of the axial flow pump 1, which is close to the hydraulic motor, is an axial flow pump inlet end, and one end of the axial flow pump 1, which is far away from the hydraulic motor 2, is an axial flow pump outlet end;

the axial flow pump 1 is fixedly connected with the hydraulic motor 2 through a connecting rod 3;

a shell 5 is arranged outside the hydraulic motor 2, and a filter screen 8 is arranged between the axial flow pump 1 and the hydraulic motor 2.

As a preferred embodiment of this embodiment, the housing 5 is fixedly connected to the filter screen 8.

As a preferred embodiment of the present embodiment, the outlet end of the axial flow pump 1 is connected to the outlet short connecting pipe 4 through a flange.

The utility model discloses when concrete implementation, the hydraulic power system that will set up above the surface of water passes through high-pressure hose and hydraulic motor to be imported and exported and be connected, then sinks axial flow pump into submarine, starts hydraulic power system, and hydraulic motor begins work, has avoided electrical equipment to soak in the aquatic and has caused the electric leakage damage, guarantees personnel's safety, and water gets into from axial flow pump entry after the filter screen filters, and outer row is arranged again through the exit linkage nozzle stub.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. A hydraulic axial flow water pump is characterized in that: the axial-flow pump hydraulic system comprises an axial-flow pump (1) and a hydraulic motor (2) arranged below the axial-flow pump (1), wherein a driving shaft (6) of the hydraulic motor (2) is connected with an impeller (7) of the axial-flow pump (1) through a flange;

one end of the axial flow pump (1), which is close to the hydraulic motor, is an axial flow pump inlet end, and one end of the axial flow pump (1), which is far away from the hydraulic motor (2), is an axial flow pump outlet end;

the axial flow pump (1) is fixedly connected with the hydraulic motor (2) through a connecting rod (3);

the hydraulic motor (2) is externally provided with a shell cover (5), and a filter screen (8) is arranged between the axial flow pump (1) and the hydraulic motor (2).

2. The hydraulic axial-flow water pump according to claim 1, characterized in that: the shell cover (5) is fixedly connected with the filter screen (8).

3. The hydraulic axial flow water pump according to claim 1, characterized in that: the outlet end of the axial flow pump (1) is connected with the outlet short connecting pipe (4) through a flange.