CN111520327A

CN111520327A - Reverse double-turbine high-pressure axial-flow pump

Info

Publication number: CN111520327A
Application number: CN201910106608.5A
Authority: CN
Inventors: 赵玉明; 赵昶
Original assignee: Gaoyou Huan Liu Pump Industry Co ltd
Current assignee: Gaoyou Huan Liu Pump Industry Co ltd
Priority date: 2019-02-02
Filing date: 2019-02-02
Publication date: 2020-08-11

Abstract

The invention discloses a reverse double-turbine high-pressure axial-flow pump in the technical field of axial-flow pumps, which comprises a water pipe, wherein two rotating bearings with the same structure are arranged at the upper position and the lower position of an inner cavity of the water pipe, a turbofan is arranged on the inner wall of each rotating bearing, a sealing shell is arranged at the right side of the water pipe, a motor is arranged at the right side of the water pipe, a rotating shaft is arranged in the inner cavity of the motor and penetrates through the surface of the motor, an upper gear is arranged at the bottom of the rotating shaft, a lower gear is arranged at the bottom of the rotating shaft, the surface of the upper gear is clamped with the surface of the upper turbofan, two mounting blocks with the same structure are arranged at the right side of the water pipe, the rotating shaft is arranged between the two mounting blocks with the same structure, a transmission gear is arranged on the surface of the rotating shaft, and the left side of the transmission gear is clamped, the loss of pressure is avoided, and the efficiency of the water pump is increased.

Description

Reverse double-turbine high-pressure axial-flow pump

Technical Field

The invention relates to the technical field of axial flow pumps, in particular to a reverse double-turbine high-pressure axial flow pump.

Background

The axial-flow pump is the common type in the present water pump, because the delivery capacity of axial-flow pump is strong, lean on the lift of blade to draw the export with the fluid, it is axial to advance, the axial goes out, have advantages such as flow is big, and because the motor constitutes an organic whole with the water pump, need not carry out the assembly process that consumes labour, consuming time motor, drive mechanism, water pump axis centering at the installation scene, on-the-spot simple to operate, quick, but traditional axial-flow pump all uses the design of return bend, set up the motor outside the pipeline, however, this kind plays the pipe can increase the resistance of rivers, slow down the speed of rivers, and the turbofan is great with the inner wall gap of pipeline, cause the loss of pressure easily, thereby reduce the efficiency of water pump.

Disclosure of Invention

The invention aims to provide a reverse double-turbine high-pressure axial-flow pump to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a reverse double-turbine high-pressure axial-flow pump comprises a water pipe, two rotary bearings with the same structure are arranged at the upper and lower positions of the inner cavity of the water pipe, a turbofan is arranged on the inner wall of each rotary bearing, a sealing shell is arranged at the right side of the water pipe, a motor is arranged at the right side of the water pipe, the motor is arranged in the inner cavity of the sealing shell, the inner cavity of the motor is provided with a rotating shaft, the rotating shaft penetrates through the surface of the motor, the bottom of the rotating shaft is provided with an upper gear, the bottom of the rotating shaft is provided with a lower gear, the surface of the upper gear is clamped with the surface of the upper end turbofan, the right side of the water delivery pipe is provided with two installation blocks with the same structure, a rotating shaft is arranged between the two installation blocks with the same structure, the surface of the rotating shaft is provided with a transmission gear, the left side of the transmission gear is clamped with the surface of the lower end turbofan, and the right side of.

Preferably, the turbofan includes the collar, and the inner chamber equidistance of collar is provided with five flabellums that the structure is the same, and the surface of collar is provided with the ring gear, the surface block of ring gear respectively with the surface of last gear and lower gear.

Preferably, the inner cavity of the sealing shell is provided with two sealing plates with the same structure, and the sealing plates are respectively arranged above and below the motor.

Preferably, the mounting piece I is arranged at the position below the inner cavity of the water conveying pipe, and the bottom of the mounting piece I is rotatably provided with a filter screen.

Preferably, the top of the water pipe is provided with a connector, the surface of the connector is provided with two annular protrusions with the same structure, and the bottom of the water pipe is provided with an annular protrusion corresponding to the surface of the connector.

Preferably, the diameter of the upper gear is half of the diameter of the turbofan, the diameter of the mounting block is one third of the diameter of the turbofan, and the diameter of the transmission gear is half of the diameter of the lower gear.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the motor is arranged at the right side of the water pipe, the turbofan is fixed in the rotary bearing, the tooth grooves are formed in the surface of the turbofan, and the upper gear and the lower gear on the surface of the rotating shaft drive the turbofan to rotate, so that the water pipe is circular, the resistance of water flow is reduced, no gap exists between the inner wall of the water pipe and the inner wall of the turbofan, the pressure loss is avoided, and the efficiency of the water pump is increased;

2. this use drives two opposite turbofan rotations of direction of rotation through the motor, can effectually increase the pressure of water pump, increases the efficiency of water pump.

Drawings

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

FIG. 2 is a schematic view of a turbofan structure according to the present invention.

In the figure: 1. a water delivery pipe; 2. a rotating bearing; 3. a turbofan; 31. a mounting ring; 32. a fan blade; 33. a toothed ring; 4. sealing the shell; 5. a motor; 6. a rotating shaft; 7. an upper gear; 8. a lower gear; 9. a sealing plate; 10. mounting blocks; 11. a connector; 12. and (4) a mounting piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a reverse double-turbine high-pressure axial-flow pump comprises a water pipe 1, two rotary bearings 2 with the same structure are arranged at the positions, close to the upper part and the lower part, of an inner cavity of the water pipe 1, so that the rotation of a turbofan 3 is facilitated, the inner walls of every two rotary bearings 2 are respectively provided with the turbofan 3, the rotation of the turbofan 3 can push the flow of air, a sealing shell 4 is arranged at the right side of the water pipe 1, a motor 5 is arranged at the right side of the water pipe 1, a driving device runs, the motor 5 is arranged in the inner cavity of the sealing shell 4 and prevents the motor 5 from entering water, a rotating shaft 6 is arranged in the inner cavity of the motor 5, the rotating shaft 6 penetrates through the surface of the motor 5, an upper gear 7 is arranged at the bottom of the rotating shaft 6, a lower gear 8 is arranged at the bottom of the rotating shaft 6 and respectively drives the two turbines to rotate, the surface of the upper gear 7, the rotating shaft is convenient to fix, the rotating shaft is arranged between the two installation blocks 10 with the same structure, the surface of the rotating shaft is provided with a transmission gear, the left side of the transmission gear is clamped with the surface of the lower-end turbofan 3, and the right side of the transmission gear is clamped with the surface of the lower gear 8, so that the rotating directions of the lower-end turbofan 3 are opposite.

The turbofan 3 comprises a mounting ring 31, five fan blades 32 with the same structure are equidistantly arranged in an inner cavity of the mounting ring 31, the directions of the fan blades 32 of the two turbofan 3 with the same structure are opposite, a toothed ring 33 is arranged on the surface of the mounting ring 31 and is convenient to be clamped with the upper gear 7 and the transmission gear, and the surface of the toothed ring 33 is respectively clamped with the surfaces of the upper gear 7 and the lower gear 8;

the inner cavity of the sealing shell 4 is provided with two sealing plates 9 with the same structure, and the sealing plates 9 are respectively arranged above and below the motor 5 to prevent the motor from water inlet;

the mounting piece I12 is arranged at the position below the inner cavity of the water pipe 1, the bottom of the mounting piece I12 is rotatably provided with a filter screen to block impurities outside, and meanwhile, the bottom of the mounting piece I12 is lower than the bottom of the water pipe 1, so that the mounting piece I12 is convenient to disassemble and clean;

the top of the water pipe 1 is provided with a connector 11, the surface of the connector 11 is provided with two annular bulges with the same structure, and the bottom of the water pipe 1 is provided with an annular bulge corresponding to the surface of the connector 11, so that the water pipe can be conveniently connected to play a role in sealing;

the diameter of the upper gear 7 is half of that of the turbofan 3, the diameter of the mounting block 10 is one third of that of the turbofan 3, and the diameter of the transmission gear is half of that of the lower gear 8, so that the rotating speeds of the two turbofan 3 are different, water is accelerated gradually and accelerated twice, and the drainage efficiency is accelerated.

The working principle is as follows: when the water delivery pipe is in operation, the motor 5 enables the rotating shaft 6 to rotate, the rotating shaft 6 drives the upper end turbofan 3 to rotate on the inner wall of the rotating bearing 2 through the upper gear 7, meanwhile, the lower gear 8 at the bottom of the rotating shaft 6 drives the transmission gear to rotate, meanwhile, the transmission gear drives the lower end turbofan 3 to rotate in the reverse direction, the bottom turbofan 3 rotates, suction is generated at the bottom of the water delivery pipe 1, the rotation of the upper end turbofan 3 accelerates the discharge of water flow, the rotating bearing 2 can guarantee the sealing performance of the turbofan 3 and prevent the loss of pressure, the sealing shell 4 can prevent the water leakage at the joint of the gear 7, the mounting block 10 and the turbofan 3 on the surface of the water delivery pipe 1, and the sealing plate 9 prevents.

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. The utility model provides a reverse two turbine high pressure axial-flow pump, includes raceway (1), its characterized in that: the inner cavity of the water pipe (1) is provided with two rotating bearings (2) with the same structure at the upper and lower positions, the inner walls of every two rotating bearings (2) are provided with turbofan (3), the right side of the water pipe (1) is provided with a sealing shell (4), the right side of the water pipe (1) is provided with a motor (5), the motor (5) is arranged in the inner cavity of the sealing shell (4), the inner cavity of the motor (5) is provided with a rotating shaft (6), the rotating shaft (6) penetrates through the surface of the motor (5), the bottom of the rotating shaft (6) is provided with an upper gear (7), the bottom of the rotating shaft (6) is provided with a lower gear (8), the surface of the upper gear (7) is clamped with the surface of the upper turbofan (3), the right side of the water pipe (1) is provided with two installation blocks (10) with the same structure, a rotating shaft is arranged between the two installation blocks (10) with, the left side of the transmission gear is clamped with the surface of the turbofan (3) at the lower end, and the right side of the transmission gear is clamped with the surface of the lower gear (8).

2. A counter-rotating twin-turbine high-pressure axial flow pump according to claim 1, wherein: the turbofan (3) comprises a mounting ring (31), five fan blades (32) with the same structure are equidistantly arranged in an inner cavity of the mounting ring (31), a toothed ring (33) is arranged on the surface of the mounting ring (31), and the surface of the toothed ring (33) is clamped with the surfaces of the upper gear (7) and the lower gear (8) respectively.

3. A counter-rotating twin-turbine high-pressure axial flow pump according to claim 1, wherein: the inner cavity of the sealing shell (4) is provided with two sealing plates (9) with the same structure, and the sealing plates (9) are respectively arranged above and below the motor (5).

4. A counter-rotating twin-turbine high-pressure axial flow pump according to claim 1, wherein: the mounting piece I (12) is arranged at the position below the inner cavity of the water pipe (1), and the bottom of the mounting piece I (12) is rotatably provided with a filter screen.

5. A counter-rotating twin-turbine high-pressure axial flow pump according to claim 1, wherein: the top of the water pipe (1) is provided with a connector (11), the surface of the connector (11) is provided with two annular bulges with the same structure, and the bottom of the water pipe (1) is provided with an annular bulge corresponding to the surface of the connector (11).

6. A counter-rotating twin-turbine high-pressure axial flow pump according to claim 1, wherein: the diameter of the upper gear (7) is half of that of the turbofan (3), the diameter of the mounting block (10) is one third of that of the turbofan (3), and the diameter of the transmission gear is half of that of the lower gear (8).