CN111677671B

CN111677671B - Built-in disrotatory axial-flow pump

Info

Publication number: CN111677671B
Application number: CN202010566776.5A
Authority: CN
Inventors: 徐祝山; 徐鹏程
Original assignee: Gaoyou Dajiang Pump Industry Co ltd
Current assignee: Gaoyou Dajiang Pump Industry Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-06-22
Anticipated expiration: 2040-06-19
Also published as: CN111677671A

Abstract

The invention relates to the technical field of axial-flow pumps and discloses a built-in type counter-rotating axial-flow pump which comprises a pump body, wherein a water inlet pipe is fixedly installed at the bottom of the pump body, a water outlet bent pipe is fixedly installed at the top of the pump body, a protective shell is fixedly installed at the top of the water outlet bent pipe, a driving motor is fixedly installed at the top of the protective shell, a control panel is fixedly installed on the right side of the pump body, a rotating rod fixedly connected with an output shaft of the driving motor is movably installed in the pump body, a flow guide vane is fixedly installed on the outer side of the rotating rod, and a fixing ring positioned above the flow. The built-in disrotatory axial-flow pump has the advantages that the whole disassembling and assembling process is simple, the required time is short, the labor is reduced, the disassembling and assembling efficiency is improved, the whole pump does not need to be replaced, the rotating block and the flow guide vanes are convenient to replace and maintain, the rotating block and the flow guide vanes can achieve a good effect of eliminating the rotating motion of liquid, and the use is more convenient.

Description

Built-in disrotatory axial-flow pump

Technical Field

The invention relates to the technical field of axial-flow pumps, in particular to a built-in type counter-rotating axial-flow pump.

Background

The axial flow pump is a vane pump, which transfers liquid along the axial direction by the action force of the vane of the rotary impeller to the liquid, the axial flow pump is the highest one of the power pumps, which is mainly suitable for the occasion with super large flow, such as irrigation, drainage, dock drainage and water level regulation of canal lock, or as the large circulating water pump of the power plant.

Chinese patent 201810473638.5 proposes a high-efficiency counter-rotating axial-flow pump, which combines the structural characteristics and flow conditions of the counter-rotating axial-flow pump with reasonable optimization design based on the original design method of the impeller of the axial-flow pump, especially reasonably sets the wing-shaped placement angle of the coupling flow position of the front and rear impellers of the axial-flow pump, improves the hydraulic efficiency of the counter-rotating axial-flow pump, but is not convenient for installation, the existing impeller is often fixed by welding, and needs to be replaced completely when replaced, which is inconvenient to use, thus proposing a built-in counter-rotating axial-flow pump to solve the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a built-in counter-rotating axial-flow pump which has the advantages of convenience in installation and the like, and solves the problems that the existing counter-rotating axial-flow pump is inconvenient to install, is usually fixed in a welding mode, needs to be completely replaced when being replaced, and is inconvenient to use.

(II) technical scheme

In order to achieve the purpose of convenient installation, the invention provides the following technical scheme: a built-in counter-rotating axial-flow pump comprises a pump body, wherein a water inlet pipe is fixedly installed at the bottom of the pump body, a water outlet bent pipe is fixedly installed at the top of the pump body, a protective shell is fixedly installed at the top of the water outlet bent pipe, a driving motor is fixedly installed at the top of the protective shell, a control panel is fixedly installed at the right side of the pump body, a rotating rod fixedly connected with an output shaft of the driving motor is movably installed in the pump body, a flow guide vane is fixedly installed at the outer side of the rotating rod, a fixing ring positioned above the flow guide vane is fixedly installed at the outer side of the rotating rod, limiting rods positioned in the fixing ring are fixedly installed at the left side and the right side of the top of the flow guide vane, a threaded rod is fixedly installed at the bottom of the rotating rod, a rotating block, the utility model discloses a hydraulic pressure pump, including the rotating block, the outside fixed mounting of rotating block has the blade, the bottom movable mounting of rotating block has the movable block, the bottom fixed mounting of movable block has according to the briquetting, the top fixed mounting of movable block have with rotating block fixed connection's reset spring, the inside movable mounting of rotating block has the cross brake lever that is located the threaded rod inside, the inside movable mounting of rotating block has the gear with the equal meshing of movable block and cross brake lever, fixed mounting has the protection network on the inner wall of inlet tube.

Preferably, the guide vanes with the number of six are fixedly installed on the outer side of the guide vane, and the guide vanes are distributed in a central symmetry manner.

Preferably, the bottom of the fixing ring is provided with two limiting grooves, and the limiting grooves are matched with the limiting rods.

Preferably, the number of the blades is three, and the blades are distributed in a central symmetry manner.

Preferably, the sleeve is internally provided with an internal thread, and the sleeve is matched with the threaded rod.

Preferably, the number of the return springs is two, and the return springs are distributed in bilateral symmetry.

Preferably, the outer side of the movable block is provided with saw teeth meshed with the gear, and the inner side of the cross brake lever is provided with saw teeth meshed with the gear.

Preferably, the number of the gears is two, and the gears are distributed in a left-right symmetrical mode by taking the cross brake rod as a symmetrical axis.

Preferably, the protective net is fixed with the water inlet pipe through a bolt, and the diameter of meshes of the protective net is one centimeter.

(III) advantageous effects

Compared with the prior art, the invention provides a built-in counter-rotating axial-flow pump which has the following beneficial effects:

1. this built-in counter-rotating axial-flow pump, through the water conservancy diversion leaf, when using, driving motor can rotate, the dwang will drive blade and water conservancy diversion leaf and rotate simultaneously, thereby can form the negative pressure, inhale water from the inlet tube, then discharge through the delivery elbow, eliminate the rotary motion of liquid, make it become axial motion, and change rotary motion's kinetic energy into pressure energy, thereby can avoid the rotary motion of liquid to forming power consumption, and then can improve its delivery flow, improve its efficiency of carrying, it is more high-efficient to use.

2. The built-in counter-rotating axial-flow pump is characterized in that the rotating block is arranged, when the counter-rotating axial-flow pump is mounted and dismounted, only the pressing block needs to be pushed, the movable block is enabled to extrude the reset spring, so that the reset spring is stressed and compressed, the movable block can drive the gear to rotate in the moving process, the gear can drive the cross brake rod to fall off the threaded rod at the moment, the whole rotating block can rotate around the threaded rod, then the sleeve can be separated from the threaded rod, then the guide vane is pulled out, the limiting rod can fall off the fixing ring to finish dismounting, and the counter-rotating axial-flow pump can be mounted in the same way, the whole dismounting and mounting process is simple, the required time is short, the labor is reduced, the dismounting and mounting efficiency is improved, the whole rotary block and the guide vane do not need to be replaced, the replacement and maintenance of the rotating block and the guide vane are convenient, and the, the use is more convenient.

Drawings

FIG. 1 is a schematic structural diagram of a built-in counter-rotating axial-flow pump according to the present invention;

FIG. 2 is an enlarged schematic view of a built-in counter-rotating axial-flow pump A according to the present invention;

fig. 3 is a schematic view of a built-in counter-rotating axial-flow pump turning block provided by the invention.

In the figure: the device comprises a pump body 1, a water inlet pipe 2, a water outlet bent pipe 3, a protective shell 4, a driving motor 5, a control panel 6, a rotating rod 7, a flow guide vane 8, a fixing ring 9, a limiting rod 10, a threaded rod 11, a rotating block 12, a sleeve 13, a vane 14, a movable block 15, a pressing block 16, a return spring 17, a cross brake lever 18, a gear 19 and a protective net 20.

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. 1-3, a built-in counter-rotating axial-flow pump comprises a pump body 1, a water inlet pipe 2 is fixedly installed at the bottom of the pump body 1, a water outlet bent pipe 3 is fixedly installed at the top of the pump body 1, a protective shell 4 is fixedly installed at the top of the water outlet bent pipe 3, a driving motor 5 is fixedly installed at the top of the protective shell 4, a control panel 6 is fixedly installed at the right side of the pump body 1, a rotating rod 7 fixedly connected with an output shaft of the driving motor 5 is movably installed inside the pump body 1, guide vanes 8 are fixedly installed at the outer side of the rotating rod 7, six guide plates are fixedly installed at the outer side of the guide vanes 8 and are distributed in central symmetry, a fixing ring 9 positioned above the guide vanes 8 is fixedly installed at the outer side of the rotating rod 7, two limiting grooves are formed at the bottom of the fixing ring 9 and are matched with the limiting rods 10, and limiting rods 10 positioned inside the fixing, the bottom of the rotating rod 7 is fixedly provided with a threaded rod 11, the outer side of the threaded rod 11 is movably provided with a rotating block 12, the top of the rotating block 12 is fixedly provided with a sleeve 13 positioned outside the threaded rod 11, the inner part of the sleeve 13 is provided with an internal thread, the sleeve 13 is matched with the threaded rod 11, the outer side of the rotating block 12 is fixedly provided with three blades 14, the number of the blades 14 is three, the blades 14 are distributed in central symmetry, the bottom of the rotating block 12 is movably provided with a movable block 15, the outer side of the movable block 15 is provided with sawteeth meshed with a gear 19, the inner side of the cross brake rod 18 is provided with sawteeth meshed with the gear 19, the bottom of the movable block 15 is fixedly provided with a pressing block 16, the top of the movable block 15 is fixedly provided with two return springs 17 fixedly connected with the rotating block 12, the return springs 17 are distributed in bilateral symmetry, the inner part of the rotating block 12 is movably provided, the inside movable mounting of turning block 12 has gear 19 with movable block 15 and cross brake lever 18 all meshing, the quantity of gear 19 is two, and gear 19 is left-right symmetry distribution with cross brake lever 18 as the symmetry axis, fixed mounting has protection network 20 on the inner wall of inlet tube 2, protection network 20 fixes with inlet tube 2 through the bolt, and the mesh diameter of protection network 20 is one centimetre, through water conservancy diversion leaf 8, when using, driving motor 5 will rotate, dwang 7 will drive blade 14 and water conservancy diversion leaf 8 and rotate simultaneously, thus can form the negative pressure, suck water from inlet tube 2, then discharge through outlet water return bend 3, eliminate the rotary motion of liquid, make it become axial motion, and change the kinetic energy of rotary motion into pressure energy, thus can avoid the rotary motion of liquid to form power consumption, and then can improve its delivery flow, the conveying efficiency is improved, the use is more efficient, by arranging the rotating block 12, when the rotating block 12 is installed and disassembled, only the pressing block 16 needs to be pushed, the movable block 15 is enabled to extrude the reset spring 17, so that the reset spring 17 is forced to be compressed, the movable block 15 can drive the gear 19 to rotate in the moving process, at the moment, the gear 19 can drive the cross brake rod 18 to fall off the threaded rod 11, the whole rotating block 12 can rotate around the threaded rod 11, then the sleeve 13 can be separated from the threaded rod 11, then the guide vane 8 is pulled out, the limiting rod 10 can fall off from the fixed ring 9 to complete the disassembly, and the disassembly is completed in the same way, the whole disassembly and assembly process is simple, the required time is short, the labor is reduced, the disassembly and assembly efficiency is improved, the whole rotating block 12 and the guide vane 8 do not need to be replaced, the replacement and maintenance are convenient, thereby achieving the effect of better eliminating the rotary motion of the liquid and being more convenient to use.

In summary, in the internal counter-rotating axial-flow pump, the guide vane 8 is used, the driving motor 5 rotates, the rotating rod 7 drives the vane 14 and the guide vane 8 to rotate simultaneously, so as to form a negative pressure, suck water from the water inlet pipe 2, and then discharge the water through the water outlet bent pipe 3, so as to eliminate the rotating motion of the liquid, change the rotating motion into an axial motion, and convert the kinetic energy of the rotating motion into pressure energy, thereby avoiding the power consumption of the rotating motion of the liquid, further improving the conveying flow rate, improving the conveying efficiency, being more efficient to use, by arranging the rotating block 12, when the rotating block is mounted and dismounted, only the pressing block 16 needs to be pushed, so that the return spring 17 is pressed and compressed, and the gear 19 is driven to rotate by the rotating block 15 in the moving process, the gear 19 will drive the cross brake lever 18 to disengage the threaded rod 11, so that the whole turning block 12 can turn around the threaded rod 11, then the sleeve 13 is separated from the threaded rod 11, then the guide vane 8 is pulled out, the limiting rod 10 is separated from the fixing ring 9 to finish the disassembly, and the disassembly is finished by installing the guide vane, the whole disassembly and assembly process is simple, the required time is short, the labor is reduced, the disassembly and assembly efficiency is improved, the whole device does not need to be replaced, the rotating block 12 and the guide vane 8 are convenient to replace and maintain, and then make it reach the better effect of eliminating the rotary motion of liquid, it is more convenient to use, has solved present and be not convenient for install it, and current often fixes through the welded mode, need change it all when changing, uses very inconvenient problem.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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. The utility model provides a built-in disrotatory axial-flow pump, includes pump body (1), its characterized in that: the pump comprises a pump body (1), a water inlet pipe (2) is fixedly mounted at the bottom of the pump body (1), a water outlet bent pipe (3) is fixedly mounted at the top of the pump body (1), a protective shell (4) is fixedly mounted at the top of the water outlet bent pipe (3), a driving motor (5) is fixedly mounted at the top of the protective shell (4), a control panel (6) is fixedly mounted at the right side of the pump body (1), a rotating rod (7) fixedly connected with an output shaft of the driving motor (5) is movably mounted in the pump body (1), a diversion vane (8) is fixedly mounted at the outer side of the rotating rod (7), a fixing ring (9) positioned above the diversion vane (8) is fixedly mounted at the outer side of the rotating rod (7), a limiting rod (10) positioned in the fixing ring (9) is fixedly mounted at the left side and the right side of the top of the diversion vane (8, a rotating block (12) is movably arranged on the outer side of the threaded rod (11), a sleeve (13) positioned on the outer side of the threaded rod (11) is fixedly arranged on the top of the rotating block (12), blades (14) are fixedly arranged on the outer side of the rotating block (12), a movable block (15) is movably arranged at the bottom of the rotating block (12), the bottom of the movable block (15) is fixedly provided with a pressing block (16), the top of the movable block (15) is fixedly provided with a return spring (17) fixedly connected with the rotating block (12), a cross brake lever (18) positioned in the threaded rod (11) is movably arranged in the rotating block (12), a gear (19) which is engaged with both the movable block (15) and the cross brake lever (18) is movably arranged in the rotating block (12), and a protective net (20) is fixedly arranged on the inner wall of the water inlet pipe (2).

2. A built-in counter-rotating axial flow pump according to claim 1, characterized in that: the outer side of the guide vane (8) is fixedly provided with six guide plates, and the guide plates are distributed in a central symmetry manner.

3. A built-in counter-rotating axial flow pump according to claim 1, characterized in that: the bottom of the fixing ring (9) is provided with two limiting grooves, and the limiting grooves are matched with the limiting rods (10).

4. A built-in counter-rotating axial flow pump according to claim 1, characterized in that: the number of the blades (14) is three, and the blades (14) are distributed in a central symmetry manner.

5. A built-in counter-rotating axial flow pump according to claim 1, characterized in that: an internal thread is formed in the sleeve (13), and the sleeve (13) is matched with the threaded rod (11).

6. A built-in counter-rotating axial flow pump according to claim 1, characterized in that: the number of the reset springs (17) is two, and the reset springs (17) are distributed in a bilateral symmetry manner.

7. A built-in counter-rotating axial flow pump according to claim 1, characterized in that: the outer side of the movable block (15) is provided with saw teeth meshed with the gear (19), and the inner side of the cross brake lever (18) is provided with saw teeth meshed with the gear (19).

8. A built-in counter-rotating axial flow pump according to claim 1, characterized in that: the number of the gears (19) is two, and the gears (19) are distributed in a left-right symmetrical mode by taking the cross brake rod (18) as a symmetrical axis.

9. A built-in counter-rotating axial flow pump according to claim 1, characterized in that: the protective net (20) is fixed with the water inlet pipe (2) through a bolt, and the diameter of meshes of the protective net (20) is one centimeter.