CN112112811A - Axial flow pump - Google Patents

Axial flow pump Download PDF

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Publication number
CN112112811A
CN112112811A CN202011132567.6A CN202011132567A CN112112811A CN 112112811 A CN112112811 A CN 112112811A CN 202011132567 A CN202011132567 A CN 202011132567A CN 112112811 A CN112112811 A CN 112112811A
Authority
CN
China
Prior art keywords
pump
pump case
driven
driving
case main
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202011132567.6A
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Chinese (zh)
Inventor
顾峰
顾杰
顾为俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yancheng Haihe Pump Co ltd
Original Assignee
Yancheng Haihe Pump Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yancheng Haihe Pump Co ltd filed Critical Yancheng Haihe Pump Co ltd
Priority to CN202011132567.6A priority Critical patent/CN112112811A/en
Publication of CN112112811A publication Critical patent/CN112112811A/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/12—Combinations of two or more pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/528—Casings; Connections of working fluid for axial pumps especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D3/00—Axial-flow pumps
    • F04D3/02—Axial-flow pumps of screw type

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses an axial-flow pump, comprising: the upper end of the pump case main barrel is connected with the pump case auxiliary barrel along the same axis, the lower end of the pump case main barrel is provided with a water inlet communicated with the pump case main barrel, a water outlet bent pipe communicated with the pump case main barrel is arranged between the pump case main barrel and the pump case auxiliary barrel, the upper end of the pump case auxiliary barrel is connected with a transition flange through a first screw, the upper end of the transition flange is connected with an input flange through a second screw, a driving input shaft is rotatably arranged in the transition flange through a first upper bearing seat, the upper end of the driving input shaft penetrates through the input flange to be connected with an engine of a tractor, the lower end of the driving input shaft extends into the pump case auxiliary barrel to be connected with a driving gear, and the lower end of the driving gear is provided with a driving tractor pump shaft.

Description

Axial flow pump
Technical Field
The invention relates to a water pump, in particular to an axial flow pump.
Background
The axial-flow pump anti-blocking structure is commonly used for the operation in the fields of paddy field irrigation, urban sewage discharge and the like, mainly leads fluid to an outlet by the lift force of an impeller, axially enters and axially exits, and has the advantages of large flow and the like. The existing axial-flow pump can only be provided with one impeller to work, and the single-impeller and single-channel structure is low in pumping efficiency.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: an axial flow pump with high pumping efficiency is provided.
In order to solve the technical problems, the invention adopts the technical scheme that: an axial flow pump comprising: the upper end of the pump case main barrel body is connected with the upper end of the pump case main barrel body along the same axis, the lower end of the pump case main barrel body is provided with a water inlet which is communicated with the pump case main barrel body, a water outlet bent pipe which is communicated with the pump case main barrel body is arranged between the pump case main barrel body and the pump case auxiliary barrel body, the upper end of the pump case auxiliary barrel body is connected with a transition flange through a first screw, the upper end of the transition flange is connected with an input flange through a second screw, a driving input shaft is rotatably arranged in the transition flange through a first upper bearing seat, the upper end of the driving input shaft penetrates through the input flange to be connected with an engine of a tractor, the lower end of the driving input shaft extends into the pump case auxiliary barrel body to be connected with a driving gear, the lower end of the driving gear is provided with a driving pump shaft, and the lower end of the, a plurality of driven input shafts are respectively and uniformly arranged on the pump case auxiliary barrel outside the driving gear in a rotating way through second upper bearing seats, driven gears meshed with the driving gear are respectively arranged on the driven input shafts, driven pump shafts are respectively arranged at the lower ends of the driven input shafts, the lower ends of the driven pump shafts respectively extend into the pump case main barrel and are connected with driven impellers, a middle water inlet channel is arranged in the middle of the lower end of the pump case main barrel, the driving impellers are positioned in the middle water inlet channel, a plurality of edge water inlet channels corresponding to the driven pump shafts one by one are uniformly arranged in the pump case main barrel outside the water inlet channel, the driven impellers are respectively positioned in the corresponding edge water inlet channels, a support is arranged in the pump case main barrel at the upper end of the middle water inlet channel, and the driving pump shafts are rotatably arranged on the support through first lower bearing seats, and the driven pump shaft is rotatably arranged on the bracket through a second lower bearing seat.
In order to better solve the technical problems, the invention adopts the further technical scheme that: and four driven input shafts are uniformly and rotatably arranged on the pump shell auxiliary barrel outside the driving gear through second upper bearing blocks respectively.
In order to better solve the technical problems, the invention adopts the further technical scheme that: the diameter of the driving gear is larger than that of the driven gear.
In order to better solve the technical problems, the invention adopts the further technical scheme that: the lower extreme of middle inhalant canal is provided with middle filter screen the lower extreme of limit inhalant canal is provided with limit portion filter screen.
In order to better solve the technical problems, the invention adopts the further technical scheme that: and a first sealing ring is arranged between the driving input shaft at the upper end of the first upper bearing seat and the transition flange, and second sealing rings are respectively arranged between the driving pump shaft and the pump shell auxiliary barrel body and between the driven pump shaft and the pump shell auxiliary barrel body.
The invention has the advantages that: the axial-flow pump is compact in structure, the barrel is divided into the plurality of water inlet channels, the impeller can be independently arranged in each water inlet channel, the driving impeller is driven by the driving input shaft, the driven impeller is driven by the driven input shaft, the driving input shaft and the driven input shaft are directly driven by the gears in a meshing manner, a driving device can synchronously drive the impellers to work, the water pumping efficiency is high, and the water pumping cost is greatly reduced.
Drawings
Fig. 1 is a schematic view showing the construction of an axial flow pump according to the present invention.
Fig. 2 is a schematic sectional structure view of a-a in fig. 1.
FIG. 3 is a schematic sectional view of B-B in FIG. 1.
In the figure: 1. the pump shell comprises a main cylinder body of the pump shell, 2, an auxiliary cylinder body of the pump shell, 3, a water inlet, 4, a water outlet bent pipe, 5, a first screw, 6, a transition flange, 7, a second screw, 8, an input flange, 9, a first upper bearing seat, 10, a driving input shaft, 11, a driving gear, 12, a driving pump shaft, 13, a driving impeller, 14, a second upper bearing seat, 15, a driven input shaft, 16, a driven gear, 17, a driven pump shaft, 18, a driven impeller, 19, a middle water inlet channel, 20, an edge water inlet channel, 21, a support, 22, a first lower bearing seat, 23, a second lower bearing seat, 24, a middle filter screen, 25, an edge filter screen, 26, a first sealing ring, 27 and a second sealing ring.
Detailed Description
The details of the present invention are described below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, 2, and 3, an axial flow pump includes: the upper end of the pump case main barrel 1 is connected with the upper end of the pump case main barrel 1 along the same axle center through a pump case auxiliary barrel 2, the lower end of the pump case main barrel 1 is provided with a water inlet 3 communicated with the pump case main barrel 1, a water outlet bent pipe 4 communicated with the pump case main barrel 1 is arranged between the pump case main barrel 1 and the pump case auxiliary barrel 2, the upper end of the pump case auxiliary barrel 2 is connected with a transition flange 6 through a first screw 5, the upper end of the transition flange 6 is connected with an input flange 8 through a second screw 7, a driving input shaft 10 is rotatably arranged in the transition flange 6 through a first upper bearing seat 9, the upper end of the driving input shaft 10 penetrates through the input flange 8 to be connected with an engine of a tractor, the lower end of the driving input shaft 10 extends into the pump case auxiliary barrel 2 to be connected with a driving gear 11, the lower end of the driving gear 11 is provided with a, the lower end of the driving pump shaft 12 extends into the pump casing main cylinder 1 to be connected with the driving impeller 13, a plurality of driven input shafts 15 are respectively and uniformly arranged on the pump casing auxiliary cylinder 2 outside the driving gear 11 through second upper bearing seats 14 in a rotating manner, driven gears 16 meshed with the driving gear 11 are respectively arranged on the driven input shafts 15, driven pump shafts 17 are respectively arranged at the lower ends of the driven input shafts 15, the lower ends of the driven pump shafts 17 respectively extend into the pump casing main cylinder 1 to be connected with the driven impellers 18, a middle water inlet channel 19 is arranged in the middle of the lower end of the pump casing main cylinder 1, the driving impeller 13 is positioned in the middle water inlet channel 19, a plurality of edge water inlet channels 20 corresponding to the driven pump shafts 17 one by one are uniformly arranged in the pump casing main cylinder 1 outside the water inlet channel 19, the driven impellers 18 are respectively positioned in the corresponding edge water inlet channels 20, a support 21 is arranged in the pump shell main cylinder 1 at the upper end of the middle water inlet channel 19, the driving pump shaft 12 is rotatably arranged on the support 21 through a first lower bearing seat 22, and the driven pump shaft 17 is rotatably arranged on the support 21 through a second lower bearing seat 23.
As shown in fig. 1 and 2, in this example, four driven input shafts 15 are uniformly rotatably provided on the pump housing sub-cylinder 2 outside the drive gear 11 through second upper bearing housings 14.
As shown in fig. 1 and 2, in this example, the diameter of the driving gear 11 is larger than that of the driven gear 16.
As shown in fig. 1, in this example, an intermediate filter 24 is provided at a lower end of the intermediate water inlet passage 19, and an edge filter 25 is provided at a lower end of the edge water inlet passage 20.
As shown in fig. 1, in this example, a first sealing ring 26 is disposed between the driving input shaft 10 and the transition flange 6 at the upper end of the first upper bearing seat 9, and second sealing rings 27 are disposed between the driving pump shaft 12 and the pump casing sub-cylinder 2 and between the driven pump shaft 17 and the pump casing sub-cylinder 2, respectively.
During operation, an engine of a tractor drives the driving input shaft 10 to rotate in the first upper bearing seat 9, the driving input shaft 10 drives the driving gear 11 to rotate, the driving gear 11 drives the driving pump shaft 12 to rotate in the first lower bearing seat 22, the driving pump shaft 12 drives the driving impeller 13 to rotate, meanwhile, the driving gear 11 drives the four driven gears 11 meshed with the driving gear 11 to rotate, the driven gears 11 respectively drive the driven input shaft 15 to rotate in the second upper bearing seat 14, the driven input shaft 15 respectively drives the driven pump shaft 17 to rotate in the second lower bearing seat 23, the driven pump shaft 17 drives the driven impeller 18 to rotate, the driving impeller 13 pumps water through the middle water inlet channel 19, the driven impeller 18 pumps water through the edge water inlet channel 20, and a multi-impeller multi-channel structure is adopted, so that the water pumping efficiency can be improved.
The axial-flow pump is compact in structure, the barrel is divided into the plurality of water inlet channels, the impeller can be independently arranged in each water inlet channel, the driving impeller is driven by the driving input shaft, the driven impeller is driven by the driven input shaft, the driving input shaft and the driven input shaft are directly driven by the gears in a meshing manner, a driving device can synchronously drive the impellers to work, the water pumping efficiency is high, and the water pumping cost is greatly reduced.

Claims (5)

1. An axial flow pump characterized by: the method comprises the following steps: the upper end of the pump case main barrel body (1) and the upper end of the pump case main barrel body (1) are connected with a pump case auxiliary barrel body (2) along the same axis, a water inlet (3) communicated with the pump case main barrel body is arranged at the lower end of the pump case main barrel body (1), a water outlet bent pipe (4) communicated with the pump case main barrel body (1) is arranged between the pump case main barrel body (1) and the pump case auxiliary barrel body (2), the upper end of the pump case auxiliary barrel body (2) is connected with a transition flange (6) through a first screw (5), the upper end of the transition flange (6) is connected with an input flange (8) through a second screw (7), a main input shaft (10) is rotatably arranged in the transition flange (6) through a first upper bearing seat (9), the upper end of the main input shaft (10) penetrates through the input flange (8) to be connected with an engine of a tractor, the lower end of the main input shaft (10) extends into the pump case auxiliary barrel body (2) to be connected with a, a driving pump shaft (12) is arranged at the lower end of the driving gear (11), the lower end of the driving pump shaft (12) extends into the pump case main cylinder body (1) and is connected with a driving impeller (13), a plurality of driven input shafts (15) are uniformly and rotatably arranged on the pump case auxiliary cylinder body (2) at the outer side of the driving gear (11) through second upper bearing seats (14), driven gears (16) which are mutually meshed with the driving gear (11) are respectively arranged on the driven input shafts (15), driven pump shafts (17) are respectively arranged at the lower ends of the driven input shafts (15), the lower ends of the driven pump shafts (17) respectively extend into the pump case main cylinder body (1) and are connected with driven impellers (18), a middle water inlet channel (19) is arranged in the middle of the lower end of the pump case main cylinder body (1), and the driving impeller (13) is positioned in the middle water inlet channel (19), evenly be provided with a plurality of and driven pump shaft (17) one-to-one's limit portion inhalant canal (20) in pump case main barrel (1) in inhalant canal (19) outside, driven impeller (18) are located corresponding limit portion inhalant canal (20) respectively be provided with support (21) in pump case main barrel (1) of middle inhalant canal (19) upper end, initiative pump shaft (12) rotate through first step (22) and set up on support (21), driven pump shaft (17) rotate through second step (23) and set up on support (21).
2. The axial flow pump of claim 1, wherein: and four driven input shafts (15) are uniformly and rotatably arranged on the pump shell auxiliary barrel (2) on the outer side of the driving gear (11) through second upper bearing seats (14).
3. The axial flow pump of claim 2, wherein: the diameter of the driving gear (11) is larger than that of the driven gear (16).
4. An axial flow pump according to claim 3 wherein: the lower end of the middle water inlet channel (19) is provided with a middle filter screen (24), and the lower end of the edge water inlet channel (20) is provided with an edge filter screen (25).
5. The axial flow pump of claim 4, wherein: a first sealing ring (26) is arranged between the driving input shaft (10) and the transition flange (6) at the upper end of the first upper bearing seat (9), and second sealing rings (27) are respectively arranged between the driving pump shaft (12) and the pump case auxiliary cylinder body (2) and between the driven pump shaft (17) and the pump case auxiliary cylinder body (2).
CN202011132567.6A 2020-10-21 2020-10-21 Axial flow pump Withdrawn CN112112811A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011132567.6A CN112112811A (en) 2020-10-21 2020-10-21 Axial flow pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011132567.6A CN112112811A (en) 2020-10-21 2020-10-21 Axial flow pump

Publications (1)

Publication Number Publication Date
CN112112811A true CN112112811A (en) 2020-12-22

Family

ID=73794249

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011132567.6A Withdrawn CN112112811A (en) 2020-10-21 2020-10-21 Axial flow pump

Country Status (1)

Country Link
CN (1) CN112112811A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115614285A (en) * 2022-12-20 2023-01-17 江苏飞跃泵业股份有限公司 Vertical high-temperature long-shaft molten salt pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115614285A (en) * 2022-12-20 2023-01-17 江苏飞跃泵业股份有限公司 Vertical high-temperature long-shaft molten salt pump

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Application publication date: 20201222