CN112502987A

CN112502987A - High-efficient axial-flow pump

Info

Publication number: CN112502987A
Application number: CN202011348549.1A
Authority: CN
Inventors: 宋梦斌; 郭华毅; 肖新田; 唐宇; 杨庆; 王焕
Original assignee: Leo Group Hunan Pump Co Ltd
Current assignee: Leo Group Hunan Pump Co Ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-03-16

Abstract

The invention discloses a high-efficiency axial-flow pump, which comprises a base and a shell, wherein the upper end of the base is fixedly connected with two supporting plates, the two supporting plates are oppositely arranged, the upper ends of the two supporting plates are fixedly connected with the shell, one end of the shell is fixedly connected with a pump room, the side wall of the pump room is respectively communicated with a water inlet pipe and a water outlet pipe, the inner wall of the shell is provided with a cooling device connected with the water inlet pipe, the inner bottom wall of the shell is fixedly connected with a motor, the motor penetrates through the shell to extend outwards, the extending end of the motor is connected with the pump room, the side wall of the motor is in contact connection with a barrel, the barrel is fixedly connected to the inner bottom wall of the shell, the bottom wall of the shell, which is. The invention has the effect of pumping a small part of water out of the water inlet pipe into the guide pipe through the shutoff pipe, and is beneficial to cooling the inside of the shell by the atomizing nozzle, thereby avoiding equipment damage caused by overhigh temperature.

Description

High-efficient axial-flow pump

Technical Field

The invention relates to the technical field of liquid pumps, in particular to a high-efficiency axial-flow pump.

Background

An axial flow pump is one type of vane pump. It is called axial flow pump because its blades are spiral, much like the propeller on airplane and ship, so it is also called propeller pump, and the axial flow pump can be divided into three types of vertical, oblique and horizontal according to the mounting position of pump shaft. They are different only in the form of pump body, and their internal structure is basically identical.

Wherein an axial-flow pump that uses on ground is in order to protect driving motor, also causes the injury in order to prevent that the people from touching driving motor by mistake simultaneously, and driving motor can install in the motor protective housing, can lead to the motor overheated when long-time operation, if not timely heat dissipation probably arouses motor trouble to reduce pumping efficiency.

To this end, we propose a high efficiency axial flow pump to solve the above problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a high-efficiency axial-flow pump.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a high-efficient axial-flow pump, includes base and casing, two backup pads of the upper end fixedly connected with of base, and two backup pads set up relatively, two the upper end and the casing fixed connection of backup pad, the one end fixedly connected with pump house of casing, and communicate respectively on the lateral wall of pump house and be provided with inlet tube and outlet pipe, be equipped with the heat sink with advancing water piping connection on the inner wall of casing, fixedly connected with motor on the interior diapire of casing, the motor passes the casing and outwards extends, and its extension end is connected with the pump house, the contact is connected with the cask on the lateral wall of motor, and cask fixed connection is on the interior diapire of casing, the casing is kept away from and is equipped with heat abstractor on the diapire of motor, and its lower extreme is equipped with.

Preferably, the heat sink includes the shutoff pipe of fixed connection at the inlet tube inner wall, the upper end and the intercommunication that the inlet tube was passed to the upper end of shutoff pipe are provided with the hose, the one end intercommunication that the inlet tube was kept away from to the hose is provided with the toroidal tube, and the lateral wall fixed connection of toroidal tube and casing, the intercommunication is provided with many pipes on the lateral wall of toroidal tube, many the pipe embedding is connected on the lateral wall of casing, be equipped with a plurality of atomizing nozzle that set up with the pipe intercommunication on the inner wall of casing.

Preferably, a plurality of cooling fins are fixedly connected to the side wall of the barrel, one ends of the cooling fins, far away from the barrel, are fixedly connected with the inner wall of the shell, and the atomizing nozzle arranged on the side wall of each conduit is respectively positioned between the two cooling fins.

Preferably, heat abstractor includes the water conservancy diversion box of fixed connection in the outlet pipe upper end, and the water conservancy diversion box sets up with outlet pipe intercommunication, it is connected with first pivot to rotate on the diapire of water conservancy diversion box, and a plurality of blades of fixedly connected with on the lateral wall of first pivot, water conservancy diversion box outside extension is passed to first pivot one end, it is connected with the second pivot to rotate on the diapire of casing, and equal fixedly connected with band pulley on the extension end of first pivot and the lateral wall of second pivot, two the band pulley passes through the drive belt and connects, the one end that the band pulley was kept away from in the second pivot is passed the casing and is inwards extended, the extension end fixedly connected with fan of second pivot, and run through on the diapire of casing and be equipped with a plurality of.

Preferably, a plurality of the blades extend into the water outlet pipe, the side wall of the first rotating shaft is connected with the bottom end of the flow guiding box through a waterproof bearing, the side wall of the first rotating shaft, which is positioned on the outer side of the flow guiding box, is rotatably connected with an extension plate for supporting the first rotating shaft, and the extension plate is fixedly connected to the side wall of the shell.

Preferably, the backflow mechanism comprises a drainage tube fixedly connected to the side wall of the shell, the shell is obliquely arranged at the upper ends of the two supporting plates, the drainage tube is communicated with the bottom end of the shell, and one end, far away from the shell, of the drainage tube is communicated with the water outlet pipe.

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

1. the intercepting pipe, the conduit and the atomizing nozzle are matched for use, so that the effect that a small part of water is extracted from the water inlet pipe through the intercepting pipe and enters the conduit is achieved, the atomizing nozzle is favorable for cooling the inside of the shell, equipment damage caused by overhigh temperature is avoided, meanwhile, the heat generated by the motor is favorably dissipated through the connection effect of the plurality of radiating fins and the barrel contacted with the side wall of the motor, and the cooling effect of the motor is further improved;

2. the blade through setting up, the cooperation of first pivot and fan is used to reach and drive a plurality of blades through rivers and make first pivot drive the synchronous pivoted effect of second pivot, be favorable to making the fan further heat dissipation in to the casing, and then improved the operating time of motor, through drainage tube with casing and outlet pipe connection's effect simultaneously, be favorable to discharging the log raft of cooling down in the casing, and then avoided the operation of long-pending water influence axial pump that stays.

Drawings

Fig. 1 is a schematic structural diagram of a high-efficiency axial flow pump according to the present invention.

Fig. 2 is a schematic cross-sectional structure diagram of a high-efficiency axial flow pump according to the present invention.

Fig. 3 is a schematic cross-sectional structure diagram of a high-efficiency axial flow pump according to the present invention.

In the figure: the device comprises a base 1, a shell 2, a supporting plate 3, a pump room 4, a water inlet pipe 5, a water outlet pipe 6, a motor 7, a round barrel 8, an intercepting pipe 9, a hose 10, a ring pipe 11, a guide pipe 12, an atomizing nozzle 13, a radiating fin 14, a flow guide box 15, a first rotating shaft 16, a blade 17, a second rotating shaft 18, a belt wheel 19, a transmission belt 20, a fan 21, a waterproof bearing 22, an extension plate 23 and a drainage pipe 24.

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.

Referring to fig. 1-3, a high-efficiency axial-flow pump, including a base 1 and a housing 2, the upper end of the base 1 is fixedly connected with two supporting plates 3, and the two supporting plates 3 are arranged oppositely, the upper ends of the two supporting plates 3 are fixedly connected with the housing 2, one end of the housing 2 is fixedly connected with a pump room 4, and the side wall of the pump room 4 is respectively communicated with a water inlet pipe 5 and a water outlet pipe 6, the inner wall of the housing 2 is provided with a cooling device connected with the water inlet pipe 5, the cooling device includes a cut-off pipe 9 fixedly connected with the inner wall of the water inlet pipe 5, the upper end of the cut-off pipe 9 passes through the upper end of the water inlet pipe 5 and is communicated with a hose 10, one end of the hose 10 far away from the water inlet pipe 5 is communicated with a ring pipe 11, and the ring pipe 11 is fixedly connected with the, the inner wall of the shell 2 is provided with a plurality of atomizing nozzles 13 communicated with the guide pipe 12, the intercepting pipe 9, the guide pipe 12 and the atomizing nozzles 13 are matched for use, so that the effect of extracting a small part of water from the water inlet pipe 5 into the guide pipe 12 through the intercepting pipe 9 is achieved, the atomizing nozzles 13 are favorable for cooling the interior of the shell 2, and the equipment damage caused by overhigh temperature is avoided, the motor 7 is fixedly connected to the inner bottom wall of the shell 2, the motor 7 penetrates through the shell 2 to extend outwards, the extending end of the motor is connected with the pump room 4, the side wall of the motor 7 is in contact connection with the barrel 8, the barrel 8 is fixedly connected to the side wall of the barrel 8 on the inner bottom wall of the shell 2, one ends of the plurality of radiating fins 14 far away from the barrel 8 are fixedly connected with the inner wall of the shell 2, and the effect of connecting the barrel 8 with the side wall of the motor 7 through the plurality of radiating fins 14 is achieved, is favorable for dissipating the heat generated by the motor 7, thereby improving the cooling effect of the motor 7.

Wherein the atomizing nozzle 13 arranged on the side wall of each conduit 12 is respectively positioned between two radiating fins 14, the bottom wall of the shell 2 far away from the motor 7 is provided with a heat radiating device, the heat radiating device comprises a flow guiding box 15 fixedly connected at the upper end of the water outlet pipe 6, the flow guiding box 15 is communicated with the water outlet pipe 6, the bottom wall of the flow guiding box 15 is rotatably connected with a first rotating shaft 16, the side wall of the first rotating shaft 16 is fixedly connected with a plurality of blades 17, the blades 17 all extend into the water outlet pipe 6, the side wall of the first rotating shaft 16 is connected with the bottom end of the flow guiding box 15 through a waterproof bearing 22, the side wall of the first rotating shaft 16 positioned at the outer side of the flow guiding box 15 is rotatably connected with an extension plate 23 for supporting the first rotating shaft, the extension plate 23 is fixedly connected on the side wall of the shell 2, one end of the first rotating shaft 16 penetrates through the flow guiding box 15, and the extending end of the first rotating shaft 16 and the side wall of the second rotating shaft 18 are fixedly connected with belt wheels 19, the two belt wheels 19 are connected through a transmission belt 20, one end of the second rotating shaft 18 far away from the belt wheels 19 penetrates through the shell 2 to extend inwards, the extending end of the second rotating shaft 18 is fixedly connected with a fan 21, and the bottom wall of the shell 2 is provided with a plurality of exhaust holes in a penetrating manner, through the matching use of the arranged blades 17, the first rotating shaft 16 and the fan 21, the effect of driving the plurality of blades 17 through water flow to drive the first rotating shaft 16 to drive the second rotating shaft 18 to rotate synchronously is achieved, the further heat dissipation of the fan 21 in the shell 2 is facilitated, the running time of the motor is further improved, the lower end of the backflow mechanism is provided with a backflow mechanism for draining, the backflow mechanism comprises a drainage tube 24 fixedly connected on the side wall of the shell 2, the shell 2 is obliquely arranged at the upper ends, one end of the drainage tube 24 far away from the shell 2 is communicated with the water outlet tube 6, the effect of connecting the shell 2 with the water outlet tube 6 through the drainage tube 24 is beneficial to discharging the water cooled in the shell 2, and further the accumulated water is prevented from influencing the operation of the axial flow pump.

The working principle is that after an axial-flow pump is fixed by a worker, a water inlet pipe 5 and a water outlet pipe 6 are respectively connected with a water pipe to be extracted and discharged, then a motor 7 is started to drive a pump room 4 to extract water, when the motor starts to work, a cut-off pipe 9 extracts a small part of the water from the water inlet pipe 5, the water enters a conduit 12 through a hose 10, the temperature in a shell 2 is reduced through an atomizing nozzle 13, meanwhile, a plurality of radiating fins 14 are fixed on the side wall of a barrel 8 in contact with the side wall of the motor 7, heat generated by the motor 7 is favorably distributed, the cooling effect of the motor 7 is improved by matching the spraying effect of the atomizing nozzle 13 on the plurality of radiating fins 14, so that equipment damage caused by overhigh temperature is avoided, then, a plurality of blades 17 are driven by water flow to rotate a first rotating shaft 16, the first rotating shaft 16 drives a fan 21 to further radiate the heat in the shell 2 through the matching of a belt wheel 19 and a driving belt 20, the running time of the motor is improved, the shell 2 is connected with the water outlet pipe 6 through the drainage pipe 24, the water cooled in the shell 2 is discharged, the accumulated water is further prevented from affecting the running of the axial flow pump, and the motor 7 is closed after the use is finished so as to be used next time.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a high-efficient axial-flow pump, includes base (1) and casing (2), its characterized in that, two backup pads (3) of upper end fixedly connected with of base (1), and two backup pads (3) set up relatively, two the upper end and casing (2) fixed connection of backup pad (3), the one end fixedly connected with pump house (4) of casing (2), and communicate respectively on the lateral wall of pump house (4) and be provided with inlet tube (5) and outlet pipe (6), be equipped with the heat sink of being connected with inlet tube (5) on the inner wall of casing (2), fixedly connected with motor (7) on the interior diapire of casing (2), motor (7) pass casing (2) and outwards extend, and its extension end is connected with pump house (4), the contact is connected with cask (8) on the lateral wall of motor (7), and cask (8) fixed connection is on the interior diapire of casing (2), and a heat radiating device is arranged on the bottom wall of the shell (2) far away from the motor (7), and a backflow mechanism for draining water is arranged at the lower end of the heat radiating device.

2. The high-efficiency axial flow pump according to claim 1, wherein the cooling device comprises a shutoff pipe (9) fixedly connected to the inner wall of the water inlet pipe (5), the upper end of the shutoff pipe (9) penetrates through the upper end of the water inlet pipe (5) and is provided with a hose (10) in a communicating manner, one end of the hose (10) far away from the water inlet pipe (5) is provided with an annular pipe (11) in a communicating manner, the annular pipe (11) is fixedly connected with the side wall of the housing (2), the side wall of the annular pipe (11) is provided with a plurality of guide pipes (12), the plurality of guide pipes (12) are connected to the side wall of the housing (2) in an embedded manner, and the inner wall of the housing (2) is provided with a plurality of atomizing nozzles (13) communicated with the guide.

3. A high efficiency axial flow pump according to claim 2, wherein a plurality of heat dissipating fins (14) are fixedly connected to the side wall of the barrel (8), one ends of the plurality of heat dissipating fins (14) far from the barrel (8) are fixedly connected to the inner wall of the housing (2), and the atomizing nozzle (13) provided on the side wall of each conduit (12) is respectively located between two heat dissipating fins (14).

4. The high-efficiency axial-flow pump according to claim 1, wherein the heat sink comprises a flow guiding box (15) fixedly connected to the upper end of the water outlet pipe (6), the flow guiding box (15) is communicated with the water outlet pipe (6), a first rotating shaft (16) is rotatably connected to the bottom wall of the flow guiding box (15), a plurality of blades (17) are fixedly connected to the side wall of the first rotating shaft (16), one end of the first rotating shaft (16) penetrates through the flow guiding box (15) to extend outwards, a second rotating shaft (18) is rotatably connected to the bottom wall of the housing (2), belt wheels (19) are fixedly connected to the extending end of the first rotating shaft (16) and the side wall of the second rotating shaft (18), the two belt wheels (19) are connected through a transmission belt (20), and one end of the second rotating shaft (18) far away from the belt wheels (19) penetrates through the housing (2) to extend inwards, the extension end fixedly connected with fan (21) of second pivot (18), and run through on the diapire of casing (2) and be equipped with a plurality of exhaust holes.

5. A high-efficiency axial-flow pump according to claim 4, characterized in that a plurality of said blades (17) extend into the outlet pipe (6), and the side wall of the first rotating shaft (16) is connected with the bottom end of the flow guiding box (15) through a waterproof bearing (22), the side wall of the first rotating shaft (16) outside the flow guiding box (15) is rotatably connected with an extension plate (23) for supporting the first rotating shaft, and the extension plate (23) is fixedly connected with the side wall of the housing (2).

6. A high-efficiency axial-flow pump according to claim 1, characterized in that the backflow mechanism comprises a drainage tube (24) fixedly connected to the side wall of the housing (2), the housing (2) is obliquely arranged at the upper ends of the two supporting plates (3), the drainage tube (24) is communicated with the bottom end of the housing (2), and one end of the drainage tube (24) far away from the housing (2) is communicated with the water outlet pipe (6).