CN213838921U

CN213838921U - Hydraulic motor submersible pump

Info

Publication number: CN213838921U
Application number: CN202022526805.3U
Authority: CN
Inventors: 朱荣生; 张宇灿; 杨爱玲
Original assignee: Jiangsu Guoquan Pumps Co Ltd
Current assignee: Jiangsu Guoquan Pumps Co Ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-07-30
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a hydraulic motor submersible pump, which mainly comprises a filtering base, a filter screen, a pump cover, an impeller, a pump body, an oil chamber, a hydraulic motor output shaft, a connecting shaft and a key, and is characterized in that the filtering base is of an integrated structure and is formed by combining the filter screen and the pump cover; the hydraulic motor output shaft and the connecting shaft are fixedly connected through a key, the hydraulic motor is fixedly installed on the oil chamber, the oil chamber is connected with the upper end of the pump body through a bolt, the pump body is connected with the filtering base through a bolt, and an impeller is arranged in the pump body. The hydraulic motor submersible pump is convenient and simple in structure, and can prevent dust and impurities from entering the power system; need not to be electrified under water, the operation is safe, can ensure this hydraulic motor immersible pump's normal work, is applicable to various situations.

Description

Hydraulic motor submersible pump

Technical Field

The utility model relates to a immersible pump technical field specifically is a hydraulic motor immersible pump.

Background

The submersible pump is an important device for pumping water from a deep well. When in use, the whole unit is submerged to work, and underground water is extracted to the ground surface, so that the unit is used for domestic water, mine emergency, industrial cooling, farmland irrigation, seawater lifting and ship load regulation, and can also be used for fountain landscape. The existing submersible pump mostly adopts a submersible motor as a power source, the submersible motor runs in sewage with various water qualities for a long time, the working environment is severe, and the cable is easy to leak electricity after being damaged.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a hydraulic motor submersible pump, the power source of the hydraulic motor submersible pump adopts a hydraulic motor form to replace a submersible motor, and the submersible motor is not electrified underwater and is safe to use; adopt and filter a base body structure, the grease chamber uses the components of a whole that can function independently structure, simple structure is quick detachable when guaranteeing the leakproofness.

The present invention achieves the above-described object by the following technical means.

A hydraulic motor submersible pump mainly comprises a filtering base, a filter screen, a pump cover, an impeller, a pump body, an oil chamber, a hydraulic motor output shaft, a connecting shaft and a key, and is characterized in that the filtering base is of an integrated structure and is formed by combining the filter screen and the pump cover; the hydraulic motor output shaft and the connecting shaft are fixedly connected through a key, the hydraulic motor is fixedly installed on the oil chamber, the oil chamber is connected with the upper end of the pump body through a bolt, the pump body is connected with the filtering base through a bolt, and an impeller is arranged in the pump body.

Further, the impeller is fixed on the connecting shaft, and an impeller nut is arranged at the end of the connecting shaft where the impeller is installed.

Furthermore, the shape of the inlet of the filtering base is consistent with that of the front cover plate of the impeller, and back blades are arranged on the back of the impeller.

Further, be equipped with the clamp plate between the grease chamber and the pump body, set up O type circle between clamp plate and the grease chamber, be provided with the skeleton oil blanket in the clamp plate.

Further, the key may be configured as a half key, a flat key, a spline, a wedge key, or a tangential key.

Furthermore, flow guide grooves are formed in two sides of a water inlet of the filtering base.

Furthermore, the outer wall of the connecting shaft is provided with a rotary connecting shaft sleeve.

Advantageous effects

Compared with the prior art, the utility model provides a hydraulic motor immersible pump possesses following beneficial effect: the existing submersible pump mostly adopts a submersible motor, the submersible motor is submerged into sewage with various water qualities for a long time to operate, the working environment is severe, and the cable is easy to leak electricity after being damaged. The power source of the hydraulic motor submersible pump adopts a hydraulic motor form to replace a submersible motor, and the submersible motor submersible pump is not electrified underwater and is safe to use; the oil chamber is of a split structure, so that the structure is simple and easy to disassemble while the sealing performance is ensured; and the cost is reduced by using the shaft sleeve design.

Drawings

FIG. 1 is a schematic view of the installation of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

fig. 3 is a partial enlarged sectional view of the part a in the structure of the present invention.

In the figure: 1. the oil pump comprises a filter base, 101, a filter screen, 102, a diversion trench, 103, a pump cover, 2, an impeller, 201, back blades, 3, a pump body, 4, an oil chamber, 5, a shaft sleeve, 6, a hydraulic motor, 601, a hydraulic motor output shaft, 602, a hydraulic connector, 7, a connecting shaft, 8, a pressing plate, 9, an impeller nut, 10, a key, 11, an O-shaped ring, 12 and a framework oil seal.

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.

As shown in fig. 2, the utility model provides a technical scheme: a hydraulic motor submersible pump mainly comprises a filtering base 1, a filter screen 101, a pump cover 102, an impeller 2, a pump body 3, an oil chamber 4, a hydraulic motor 6, a hydraulic motor output shaft 601, a connecting shaft 7 and a key 10, and is characterized in that the filtering base 1 is of an integrated structure and is formed by combining the filter screen 101 and the pump cover 102; the hydraulic motor output shaft 601 is fixedly connected with the connecting shaft 7 through a key 10, the hydraulic motor 6 is fixedly installed on an oil chamber 4, the oil chamber 4 is connected with the upper end of the pump body 3 through a bolt, the pump body 3 is connected with the filtering base 1 through a bolt, and an impeller 2 is arranged in the pump body 3; the impeller 2 is fixed on a connecting shaft 7, and an impeller nut 9 is arranged at the end of the connecting shaft 7 where the impeller 2 is installed; the shape of an inlet of the filtering base 1 is consistent with that of a front cover plate of the impeller 2, and back blades 201 are arranged on the back of the impeller 2; a pressure plate 8 is arranged between the oil chamber 4 and the pump body 3, and an O-shaped ring 11 is arranged between the pressure plate 8 and the oil chamber 4; and a framework oil seal 12 is arranged in the pressure plate 8. The key 10 can be configured as a semicircular key, a flat key, a spline, a wedge key or a tangential key; flow guide grooves 102 are formed in two sides of a water inlet of the filtering base 1; and a rotary connecting shaft sleeve 5 is arranged on the outer wall of the connecting shaft 7.

When the mounting is carried out, the shaft sleeve 5 is firstly embedded from the lower part of the oil chamber 4; then the connecting shaft 7 is put into the oil chamber 4 from the upper part to be matched with the shaft sleeve 5; secondly, a spigot of the hydraulic motor 6 is put into the oil chamber 4 and is installed with the connecting shaft 7 through a key 10; the hydraulic motor 6 is fixed with the oil chamber 4 through bolts; an O-shaped ring 11 is arranged between the pressure plate 8 and the oil chamber 4; a framework oil seal 12 is arranged between the pressure plate 8 and the connecting shaft 7; fixedly mounting the oil chamber 4 and the pump body 3 through bolts; the impeller 2 is arranged on the connecting shaft 7 through an impeller nut 9; and finally, fixedly mounting the pump body 3 and the filtering base 1.

In use, as shown in fig. 1 and fig. 2, the hydraulic workstation injects hydraulic oil into the hydraulic motor 6 through the hydraulic joint 602, drives the hydraulic motor 6 to output power, the hydraulic motor 6 transmits the power to the connecting shaft 7 through the hydraulic motor output shaft 601, and the shaft sleeve 5 plays the roles of fixing and sliding bearing; the connecting shaft 7 drives the fixedly connected impeller 2 to rotate, so that the transmission medium flows in from the inlet and is discharged from the water outlet.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A hydraulic motor submersible pump mainly comprises a filtering base, a filter screen, a pump cover, an impeller, a pump body, an oil chamber, a hydraulic motor output shaft, a connecting shaft and a key, and is characterized in that the filtering base is of an integrated structure and is formed by combining the filter screen and the pump cover; the hydraulic motor output shaft and the connecting shaft are fixedly connected through a key, the hydraulic motor is fixedly installed on the oil chamber, the oil chamber is connected with the upper end of the pump body through a bolt, the pump body is connected with the filtering base through a bolt, and an impeller is arranged in the pump body.

2. The hydraulic motor submersible pump of claim 1, wherein: the impeller is fixed on the connecting shaft, and an impeller nut is arranged at the end of the connecting shaft where the impeller is installed.

3. The hydraulic motor submersible pump of claim 1, wherein: the inlet shape of the filtering base is consistent with that of the front cover plate of the impeller, and back blades are arranged on the back of the impeller.

4. The hydraulic motor submersible pump of claim 1, wherein: the oil pump is characterized in that a pressing plate is arranged between the oil chamber and the pump body, an O-shaped ring is arranged between the pressing plate and the oil chamber, and a framework oil seal is arranged in the pressing plate.

5. The hydraulic motor submersible pump of claim 1, wherein: the key may be configured as a half key, a flat key, a spline, a wedge key, or a tangential key.

6. The hydraulic motor submersible pump of claim 1, wherein: and flow guide grooves are arranged on two sides of a water inlet of the filtering base.

7. The hydraulic motor submersible pump of claim 1, wherein: the outer wall of the connecting shaft is provided with a rotary connecting shaft sleeve.