CN210859230U

CN210859230U - Centrifugal pump for field irrigation

Info

Publication number: CN210859230U
Application number: CN201921553405.2U
Authority: CN
Inventors: 郭文彬
Original assignee: Anhui Olivier Pump Valve Machinery Co ltd
Current assignee: Anhui Olivier Pump Valve Machinery Co ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-06-26
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a centrifugal pump for field irrigation, belonging to the technical field of centrifugal pumps, comprising a pump body, wherein a volute is arranged on the pump body, and a water inlet pipe and a water outlet pipe are respectively arranged on the volute; a flow guide partition plate is arranged inside the volute and is installed in a matched mode with the volute; one end of the flow guide partition plate is hinged with the inner wall of the volute, and the other end of the flow guide partition plate is movably connected with a guide post arranged on the volute. The utility model discloses simple structure, convenient to use through falling the noise treatment of making an uproar with the motor to the pump body, greatly reduce the noise that centrifugal pump during operation produced, are favorable to the steady job of centrifugal pump, and simultaneously, the noise reduces, and the operational environment's of being convenient for maintenance is favorable to improving production efficiency, and the practicality is strong, is fit for using widely.

Description

Centrifugal pump for field irrigation

Technical Field

The utility model relates to a centrifugal pump technical field especially relates to a centrifugal pump for field irrigation.

Background

The centrifugal pump is mainly suitable for industrial and agricultural use, city, drainage, farmland irrigation and the like. Centrifugal pumps operate by causing water to move centrifugally as a result of the rotation of an impeller. Before the water pump is started, the pump shell and the water suction pipe are filled with water, then the motor is started, the pump shaft drives the impeller and the water to rotate at a high speed, the water is thrown to the outer edge of the impeller to be thrown into a water pressure pipeline of the water pump through a flow channel of the volute-shaped pump shell.

Noise has become an increasingly focused focus of users as one of the main assessment indicators of centrifugal pumps, and noise sources include mechanical noise and hydraulic noise: the mechanical noise is mainly caused by unreasonable design of the internal structure, installation deviation of parts, unreasonable arrangement of an inlet and outlet pipeline system and the like; hydraulic noise mainly originates from medium induction in the pump; when the centrifugal pump for common farmland irrigation works, the noise is large, noise pollution is easy to generate, and the centrifugal pump is inconvenient to produce and use. Therefore, a centrifugal pump for field irrigation is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a centrifugal pump for field irrigation in order to solve the problem that above-mentioned field irrigation centrifugal pump noise is big, have the advantage of being convenient for maintain.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a centrifugal pump for field irrigation comprises

The pump body is provided with a volute, and the volute is provided with a water inlet pipe and a water outlet pipe respectively;

a flow guide partition plate is arranged inside the volute and is installed in a matched mode with the volute; one end of the flow guide partition plate is hinged with the inner wall of the volute, and the other end of the flow guide partition plate is movably connected with a guide post arranged on the volute.

According to the further technical scheme, a limiting block is arranged on the guide column, and a reset spring is arranged between the limiting block and the flow guide partition plate.

According to a further technical scheme, a connecting nut is further arranged at the top of the guide post.

Further technical scheme still includes the motor, the motor passes through the drive shaft and is connected with the pump body.

According to the technical scheme, the motor is spirally wound with a circulating water pipe, a water inlet of the circulating water pipe is connected with a water inlet pipe, and a water outlet of the circulating water pipe is connected with a water outlet pipe.

According to a further technical scheme, a sound absorption shell is further arranged outside the volute.

According to a further technical scheme, the driving shaft is also connected with a speed reducer.

According to the further technical scheme, the motor and the pump body are integrally installed on the fixed base.

Compared with the prior art, the utility model, have following apparent advantage:

1. this kind of centrifugal pump for field irrigation through falling the noise treatment to the pump body and motor, greatly reduces the noise that the centrifugal pump during operation produced, is favorable to the steady job of centrifugal pump, and simultaneously, the noise reduces, and the operational environment's of being convenient for maintenance is favorable to improving production efficiency.

2. The utility model discloses well circulating pipe spiral winding is on the motor, and the rivers are through the time, not only can absorb the noise, and can take away the heat that the motor during operation produced, is favorable to extension motor life.

3. The utility model has the advantages of simple structure, convenient to use, the practicality is strong, is fit for using widely.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the volute structure of the present invention.

Fig. 3 is a zoom view of the structure at a of the present invention.

In the figure: 10-a fixed base, 20-a motor, 30-a pump body, 31-a volute, 32-a water inlet pipe, 33-a water outlet pipe, 40-a driving shaft, 50-a speed reducer, 60-a circulating water pipe, 70-a flow guide clapboard, 80-a guide column, 90-a connecting nut, 100-a limiting block, 110-a return spring and 120-a sound-absorbing shell.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to FIGS. 1-3, a centrifugal pump for field irrigation includes

The pump comprises a pump body 30, wherein a volute 31 is arranged on the pump body 30, and a water inlet pipe 32 and a water outlet pipe 33 are respectively arranged on the volute 31; a flow guide partition plate 70 is arranged inside the volute casing 31, and the flow guide partition plate 70 is installed in a matching manner with the volute casing 31; one end of the diversion baffle plate 70 is hinged with the inner wall of the volute 31, the other end of the diversion baffle plate is movably connected with a guide post 80 installed on the volute 31, and the diversion baffle plate adopts a movable installation mode, so that when water flow enters the volute 31, the impact force of the water flow can be reduced, and the noise generated by the water flow impact is reduced.

A limiting block 100 is arranged on the guide column 80, and a return spring 110 is arranged between the limiting block 100 and the flow guide partition plate 70; the top of the guide post 80 is also provided with a connecting nut 90, and a return spring 110 is arranged to provide buffering force, so that the structure of the device is simplified, and the assembly of the device is facilitated.

Also included is a motor 20, the motor 20 being connected to the pump body 30 by a drive shaft 40.

The motor 20 is spirally wound with a circulating water pipe 60, a water inlet of the circulating water pipe 60 is connected with the water inlet pipe 32, a water outlet of the circulating water pipe 60 is connected with the water outlet pipe 33, and the circulating water pipe 60 is used for absorbing noise and heat generated by the motor 20.

The exterior of the volute 31 is also provided with a sound-absorbing shell 120, which plays a role in assisting noise reduction.

The driving shaft 40 is further connected with a speed reducer 50, and the speed reducer 50 is arranged to facilitate the control of the rotating speed of the motor 20 and the operation and control of a user; the motor 20 and the pump body 30 are integrally mounted on the fixed base 10.

When the utility model is in use, the motor 20 is started, water flow enters the volute 31 through the water inlet pipe 32, and when the water flow impacts the flow guide partition plate 70, the reset spring provides buffer force, so that noise generated by water flow impact is reduced;

during installation, a water inlet of the circulating water pipe 60 is connected to the water inlet pipe 32, a water outlet of the circulating water pipe is connected to the water outlet pipe 32, circulating water is formed on the surface of the motor 20, noise and heat are absorbed, and the service life of the motor 20 is prolonged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A centrifugal pump for field irrigation is characterized in that: comprises that

The pump comprises a pump body (30), wherein a volute (31) is arranged on the pump body (30), and a water inlet pipe (32) and a water outlet pipe (33) are respectively arranged on the volute (31);

a flow guide partition plate (70) is arranged inside the volute (31), and the flow guide partition plate (70) is installed in a matched mode with the volute (31); one end of the flow guide partition plate (70) is hinged with the inner wall of the volute (31), and the other end of the flow guide partition plate is movably connected with a guide column (80) arranged on the volute (31).

2. A centrifugal pump for field irrigation according to claim 1, characterized in that: a limiting block (100) is arranged on the guide column (80), and a return spring (110) is arranged between the limiting block (100) and the flow guide partition plate (70).

3. A centrifugal pump for field irrigation according to claim 1, characterized in that: and a connecting nut (90) is also arranged at the top of the guide post (80).

4. A centrifugal pump for field irrigation according to claim 1, characterized in that: the pump further comprises a motor (20), and the motor (20) is connected with the pump body (30) through a driving shaft (40).

5. A centrifugal pump for field irrigation according to claim 4, characterized in that: the motor (20) is spirally wound with a circulating water pipe (60), the water inlet of the circulating water pipe (60) is connected with the water inlet pipe (32), and the water outlet of the circulating water pipe (60) is connected with the water outlet pipe (33).

6. A centrifugal pump for field irrigation according to claim 1, characterized in that: the outside of the volute (31) is also provided with a sound-absorbing shell (120).

7. A centrifugal pump for field irrigation according to claim 4, characterized in that: the drive shaft (40) is also connected to a reduction gear (50).

8. A centrifugal pump for field irrigation according to claim 4, 5 or 7, characterized in that: the motor (20) and the pump body (30) are integrally installed on the fixed base (10).