CN113357161A - Axial-flow pump with prevent blockking up function - Google Patents

Abstract

The invention belongs to the field of axial flow pumps, in particular to an axial flow pump with an anti-blocking function, aiming at the problem that the existing axial flow pump is easy to be blocked, part of the axial flow pump is internally provided with a filter screen, but impurities below the filter screen are more and cannot be discharged, so that the pumping efficiency is reduced, the invention provides a scheme which comprises a pump body and a connecting pipe, wherein the connecting pipe is positioned below the pump body, the connecting pipe is provided with a connecting component for connecting with the water inlet end of the pump body, the bottom of the connecting pipe is provided with a water inlet, one side of the pump body is provided with a water outlet, in the invention, the water suction process is realized through an impeller, the filtering quality can be improved through the arrangement of a first filter screen and a second filter screen, the device is prevented from being blocked, and the impurities below the second filter screen can be continuously discharged through the arrangement of an ash discharge port, so that the device is prevented from being blocked, the guide vane can eliminate the rotary motion of rivers, increases the efficiency of drawing water.

Description

Axial-flow pump with prevent blockking up function

Technical Field

The invention relates to the technical field of axial flow pumps, in particular to an axial flow pump with an anti-blocking function.

Background

The axial flow pump is a pump for conveying liquid in the axial direction by the action force of the blades of the rotating impeller on the liquid, and there are vertical, horizontal, inclined and through-flow pumps. From 1961, China developed 664 sets of large axial-flow pumps in the first and the last. The specific revolution number n is respectively 500, 700, 850, 1000, 1250, 1400, 1600 and the like; the diameters of the rotating wheels are 1.6m, 2.0m, 2.8m, 3.0m, 3.1m, 4.0m and 4.5 m. A total of 114 large axial-flow pump stations are built in 16 provinces, cities and autonomous regions of Jiangsu, Hubei, Hunan, Anhui, Guangdong, Tianjin, Shandong, Shanxi, Shaanxi, Xinjiang and the like, and the total installed capacity is 63 ten thousand kW.

The current axial-flow pump is all through the impurity of cutting aquatic, and then avoids blockking up, but the cutting knife is easily by pasture and water or some domestic waste in aquatic entangling, and then the dead condition of card appears, and some axial-flow pump can be in its inside filter screen that sets up, but because rivers are upwards taken out always, the impurity under the filter screen can be more and more, can't discharge, and then can reduce the efficiency of drawing water, so we provide an axial-flow pump with prevent blockking up the function for solve the above-mentioned problem.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an axial flow pump with an anti-blocking function.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an axial-flow pump with prevent blockking up function, includes the pump body and connecting pipe, the connecting pipe is located the below of the pump body, the connecting pipe is provided with the coupling assembling that is used for being connected with the end of intaking of the pump body, the water inlet has been seted up to the bottom of connecting pipe, the delivery port has been seted up to one side of the pump body, the first filter screen of inside fixedly connected with of the pump body, the top fixedly connected with drive box of the pump body, the top inner wall fixedly connected with servo motor of drive box, servo motor's output shaft extends to the inside and the fixedly connected with pivot of the pump body, the fixed cover of outer wall of pivot is equipped with an installation section of thick bamboo, the outer wall of an installation section of thick bamboo is provided with the impeller, the inside of connecting pipe is provided with the filter component who is used for filtering impurity, the outer wall of connecting pipe is provided with the blowdown subassembly that is used for getting rid of impurity.

Preferably, coupling assembling includes the lower connecting block at last connecting block and connecting pipe top of fixed connection in pump body bottom, the inside threaded connection of going up the connecting block has the bolt, the thread groove that uses with the bolt cooperation is seted up at the top of lower connecting block.

Preferably, the filtering component is including being a plurality of baffles of annular fixed connection at the connecting pipe inner wall, and is a plurality of the same sleeve of one end fixedly connected with that the baffle is close to each other, telescopic outer wall rotates and is connected with the circular box, the first bull stick of bottom fixedly connected with of pivot, first bull stick runs through the sleeve and extends to the inside of circular box, all is provided with the second filter screen between a plurality of baffles, the side of connecting pipe is seted up a plurality ofly and the through-hole of second filter screen looks adaptation.

Preferably, the blowdown subassembly establishes the outside annular piece at the connecting pipe including rotating the cover, the ash discharge mouth that uses with the drain cooperation is seted up to the inside of annular piece, the bottom fixedly connected with montant of annular piece, one side fixedly connected with horizontal pole of montant, one end of horizontal pole and one side fixed connection of round box.

Preferably, a plurality of gear teeth are fixedly connected to the inner wall of the circular box, a second rotating rod is rotatably connected to the bottom of the sleeve, a pinion meshed with the gear teeth is fixedly connected to the bottom of the second rotating rod, and a single-tooth gear meshed with the pinion is fixedly connected to the bottom of the first rotating rod.

Preferably, the outer wall fixing sleeve of the first rotating rod is provided with a mounting plate, the top of the mounting plate is fixedly connected with a plurality of bristles, and the bristles are abutted to the bottom of the first filter screen.

Preferably, the same rubber ring is arranged between the upper connecting block and the lower connecting block.

Preferably, a plurality of stator of inside fixedly connected with of the pump body, the stator includes riser and arc, the riser is located the top of arc, the radian of arc is between 50 ~ 70 degrees.

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

1. according to the invention, the connecting pipe is stretched into water or a river, the servo motor is started, the output shaft of the servo motor drives the rotating shaft to rotate, the rotating shaft drives the mounting cylinder to rotate, the mounting cylinder drives the impeller to rotate, and then the water in the river enters the connecting pipe through the water inlet, the arrangement of the partition plate enables water flow to enter the connecting pipe in a multi-strand manner, after being filtered by the second filter screen, the water flow enters the pump body, is filtered by the first filter screen and finally is discharged from the water outlet, and the arrangement of the guide vane enables the water flow to be upwards transmitted along the guide vane, so that the rotary motion of the water flow is eliminated, the head loss is reduced, meanwhile, partial kinetic energy of the fluid can be converted into pressure energy, and the water pumping efficiency is increased;

2. according to the invention, the second filter screen and the first filter screen are arranged, so that the water flow filtering effect is good, the blockage of the device can be further avoided, impurities sucked into water can be continuously accumulated at the bottom of the second filter screen, and the impurities cannot be discharged due to the continuous water sucking action;

3. in the invention, the rotating shaft drives the first rotating rod to rotate, the first rotating rod drives the mounting plate to rotate while rotating, the mounting plate drives the bristles to rotate, the bristles can scrub the lower part of the first filter screen to avoid the first filter screen from being blocked, the first rotating rod drives the single-tooth gear to rotate, the single-tooth gear drives the pinion to rotate, the pinion drives the gear teeth to rotate, and the gear teeth drive the circular box to rotate;

4. according to the invention, due to the arrangement of the single-tooth gear, the rotating speed of the circular box is slow, the circular box moves the transverse rod to rotate slowly, the transverse rod drives the vertical rod to rotate slowly, the vertical rod drives the annular block to rotate slowly, so that the ash discharge port is communicated with the plurality of connecting pipes continuously, when the mounting plate rotates to the position above a certain second filter screen, the water flow cannot be transmitted upwards, and then the water flow can be discharged through the ash discharge port to drive impurities below the second filter screen to be discharged together, and the rest second filter screens work normally without affecting the water absorption process.

According to the invention, the water suction process is realized through the impeller, the filtering quality can be improved and the device is prevented from being blocked by arranging the first filter screen and the second filter screen, and the impurities under the second filter screen can be continuously discharged by arranging the ash discharge port, so that the device is prevented from being blocked and the guide vanes are arranged, so that water flow can be upwards transmitted along the guide vanes, the rotating motion of the water flow is further eliminated, the water head loss is reduced, meanwhile, partial kinetic energy of the fluid can be converted into pressure energy, the water pumping efficiency is increased, the structure is simple, and the operation is convenient.

Drawings

Fig. 1 is a schematic sectional structural view of an axial flow pump with an anti-clogging function according to the present invention;

FIG. 2 is an enlarged view of portion A of the present invention;

FIG. 3 is a three-dimensional view of a guide vane of the present invention;

FIG. 4 is a front sectional structural view of the round case of the present invention;

FIG. 5 is a schematic top cross-sectional structural view of the ring block of the present invention;

FIG. 6 is a schematic top view of the mounting plate of the present invention;

fig. 7 is a schematic top view of the round case of the present invention.

In the figure: 1. a water outlet; 2. a guide vane; 201. a vertical plate; 202. an arc-shaped plate; 3. brushing; 4. mounting a plate; 5. an ash discharge port; 6. a vertical rod; 7. a cross bar; 8. a circular box; 9. a sleeve; 10. a water inlet; 11. a partition plate; 12. a connecting pipe; 13. a through hole; 14. a ring block; 15. a lower connecting block; 16. an upper connecting block; 17. a first rotating lever; 18. a first filter screen; 19. an impeller; 20. mounting the cylinder; 21. a pump body; 22. a rotating shaft; 23. a drive cartridge; 24. a servo motor; 25. a bolt; 26. a thread groove; 27. a rubber ring; 28. a pinion gear; 29. a second rotating rod; 30. a single-tooth gear; 31. gear teeth; 32. and a second filter screen.

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.

Example one

Referring to fig. 1-7, an axial-flow pump with anti-blocking function, including the pump body 21 and connecting pipe 12, connecting pipe 12 is located the below of the pump body 21, the end of intaking of connecting pipe 12 and pump body 21 is provided with the coupling assembling that is used for being connected, water inlet 10 has been seted up to the bottom of connecting pipe 12, delivery port 1 has been seted up to one side of the pump body 21, the first filter screen 18 of inside fixedly connected with of the pump body 21, the top fixedly connected with drive box 23 of the pump body 21, the top inner wall fixedly connected with servo motor 24 of drive box 23, the output shaft of servo motor 24 extends to the inside of the pump body 21 and fixedly connected with pivot 22, the outer wall fixed mounting of pivot 22 is equipped with a mounting cylinder 20, the outer wall of mounting cylinder 20 is provided with impeller 19, the inside of connecting pipe 12 is provided

Example two

Referring to fig. 1-7, an axial flow pump with anti-clogging function comprises a pump body 21 and a connecting pipe 12, the connecting pipe 12 is located below the pump body 21, a connecting assembly for connection is arranged at the water inlet end of the connecting pipe 12 and the pump body 21, the connecting assembly comprises an upper connecting block 16 fixedly connected to the bottom of the pump body 21 and a lower connecting block 15 fixedly connected to the top of the connecting pipe 12, a bolt 25 is connected to the inner thread of the upper connecting block 16, a thread groove 26 matched with the bolt 25 is formed in the top of the lower connecting block 15 for connecting the connecting pipe 12 and the pump body 21, so that subsequent disassembly is facilitated, a first filter screen 18 is cleaned or replaced, a same rubber ring 27 is arranged between the upper connecting block 16 and the lower connecting block 15 for ensuring the sealing performance of the device, a water inlet 10 is formed in the bottom of the connecting pipe 12, a water outlet 1 is formed in one side of the pump body 21, and the first filter screen 18 is fixedly connected to the inside of the pump body 21, the top of the pump body 21 is fixedly connected with a driving box 23, the top inner wall of the driving box 23 is fixedly connected with a servo motor 24, the output shaft of the servo motor 24 extends to the inside of the pump body 21 and is fixedly connected with a rotating shaft 22, the outer wall of the rotating shaft 22 is fixedly sleeved with an installation barrel 20, the outer wall of the installation barrel 20 is provided with an impeller 19, the inside of the connecting pipe 12 is provided with a filtering component for filtering impurities, the filtering component comprises a plurality of baffle plates 11 which are fixedly connected with the inner wall of the connecting pipe 12 in an annular shape, one end, close to each other, of the plurality of baffle plates 11 is fixedly connected with a same sleeve 9, the outer wall of the sleeve 9 is rotatably connected with a circular box 8, the bottom of the rotating shaft 22 is fixedly connected with a first rotating rod 17, the first rotating rod 17 penetrates through the sleeve 9 and extends to the inside of the circular box 8, the outer wall of the first rotating rod 17 is fixedly sleeved with a mounting plate 4, the top of the mounting plate 4 is fixedly connected with a plurality of bristles 3, the brush hair 3 is contacted with the bottom of the first filter screen 18 and is used for cleaning the first filter screen 18 and avoiding device blockage, the inner wall of the circular box 8 is fixedly connected with a plurality of gear teeth 31, the bottom of the sleeve 9 is rotatably connected with a second rotating rod 29, the bottom of the second rotating rod 29 is fixedly connected with a pinion 28 meshed with the gear teeth 31, the bottom of the first rotating rod 17 is fixedly connected with a single-tooth gear 30 meshed with the pinion 28 and used for reducing the rotating speed of the circular box 8 and facilitating impurity discharge, a second filter screen 32 is arranged among a plurality of partition plates 11, a plurality of through holes 13 matched with the second filter screen 32 are formed in the side surface of the connecting pipe 12 and used for filtering impurities in water, so that the valve body 21 is prevented from being blocked, a pollution discharge assembly used for discharging the impurities is arranged on the outer wall of the connecting pipe 12 and comprises an annular block 14 rotatably sleeved outside the connecting pipe 12, an ash discharge port 5 matched with the pollution discharge port is formed in the annular block 14, bottom fixedly connected with montant 6 of annular piece 14, one side fixedly connected with horizontal pole 7 of montant 6, the one end of horizontal pole 7 and one side fixed connection of circular box 8, can discharge impurity, avoid impurity too much to block up second filter screen 32, a plurality of stator 2 of inside fixedly connected with of the pump body 21, stator 2 includes riser 201 and arc 202, riser 201 is located the top of arc 202, the radian of arc 202 is between 50 ~ 70 degrees, and then eliminate the rotary motion of rivers, reduce the head loss, can change fluidic partial kinetic energy into pressure energy simultaneously, increase pumping efficiency.

The working principle is as follows: when the device is used, the connecting pipe 12 is stretched into water or a river, the servo motor 24 is started, the output shaft of the servo motor 24 drives the rotating shaft 22 to rotate, the rotating shaft 22 drives the mounting cylinder 20 to rotate, the mounting cylinder 20 drives the impeller 19 to rotate, further, water in the river enters the connecting pipe 12 through the water inlet 10, the partition plate 11 is arranged to enable water flow to enter the connecting pipe 12 in a multi-strand manner, after being filtered by the second filter screen 32, the water flow enters the pump body 21 and is filtered by the first filter screen 18 and finally discharged from the water outlet 1, the guide vane 2 is arranged to enable the water flow to be upwards transmitted along the guide vane 2, further, the rotary motion of the water flow is eliminated, the water head loss is reduced, meanwhile, partial kinetic energy of fluid can be converted into pressure energy, the water pumping efficiency is increased, the water flow filtering effect is good due to the arrangement of the second filter screen 32 and the first filter screen 18, further, the device blockage can be avoided, impurities sucked into the water can be continuously accumulated at the bottom of the second filter screen 32, because the action of water absorption is continuous, impurities cannot be discharged, at the moment, the rotating shaft 22 drives the first rotating rod 17 to rotate, the first rotating rod 17 drives the mounting plate 4 to rotate while rotating, the mounting plate 4 drives the bristles 3 to rotate, the bristles 3 can scrub the lower part of the first filter screen 18 to avoid the blockage of the first filter screen 18, the first rotating rod 17 drives the single-tooth gear 30 to rotate, the single-tooth gear 30 drives the pinion 28 to rotate, the pinion 28 drives the gear teeth 31 to rotate, the gear teeth 31 drives the circular box 8 to rotate, due to the arrangement of the single-tooth gear 30, the rotating speed of the circular box 8 is slow, the circular box 8 drives the cross rod 7 to slowly rotate, the cross rod 7 drives the vertical rod 6 to slowly rotate, the vertical rod 6 drives the annular block 14 to slowly rotate, the ash discharge port 5 is continuously communicated with the plurality of connecting pipes 12, when the mounting plate 4 rotates to the upper part of a certain second filter screen 32, the water flow cannot be upwards transmitted, and then the impurities are discharged through the ash discharge port 5, the impurities below the second filter screen 32 are driven to be discharged together, and the rest second filter screen 32 works normally, so that the water absorption process is not influenced.

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 (8)

1. The utility model provides an axial-flow pump with prevent blockking up function, includes the pump body (21) and connecting pipe (12), its characterized in that, connecting pipe (12) are located the below of the pump body (21), the connecting pipe (12) are provided with the coupling assembling that is used for being connected with the end of intaking of the pump body (21), water inlet (10) have been seted up to the bottom of connecting pipe (12), delivery port (1) have been seted up to one side of the pump body (21), the inside fixedly connected with first filter screen (18) of the pump body (21), the top fixedly connected with drive box (23) of the pump body (21), the top inner wall fixedly connected with servo motor (24) of drive box (23), the output shaft of servo motor (24) extends to the inside of the pump body (21) and fixedly connected with pivot (22), the outer wall fixed sleeve of pivot (22) is equipped with an installation section of thick bamboo (20), the outer wall of installation section of thick bamboo (20) is provided with impeller (19), the inside of connecting pipe (12) is provided with the filtering component who is used for filtering impurity, the outer wall of connecting pipe (12) is provided with the blowdown subassembly that is used for getting rid of impurity.

2. The axial flow pump with the anti-clogging function according to claim 1, wherein the connecting assembly comprises an upper connecting block (16) fixedly connected to the bottom of the pump body (21) and a lower connecting block (15) fixedly connected to the top of the connecting pipe (12), a bolt (25) is connected to the inner thread of the upper connecting block (16), and a thread groove (26) matched with the bolt (25) is formed in the top of the lower connecting block (15).

3. The axial flow pump with the anti-clogging function according to claim 1, wherein the filtering assembly comprises a plurality of partition plates (11) which are fixedly connected to the inner wall of the connecting pipe (12) in an annular shape, one ends of the plurality of partition plates (11) close to each other are fixedly connected with the same sleeve (9), the outer wall of the sleeve (9) is rotatably connected with a circular box (8), the bottom of the rotating shaft (22) is fixedly connected with a first rotating rod (17), the first rotating rod (17) penetrates through the sleeve (9) and extends into the circular box (8), a second filter screen (32) is arranged among the plurality of partition plates (11), and a plurality of through holes (13) matched with the second filter screen (32) are formed in the side surface of the connecting pipe (12).

4. The axial flow pump with the anti-blocking function according to claim 1, wherein the dirt discharge assembly comprises an annular block (14) which is rotatably sleeved outside the connecting pipe (12), an ash discharge port (5) which is matched with the dirt discharge port for use is formed in the annular block (14), a vertical rod (6) is fixedly connected to the bottom of the annular block (14), a cross rod (7) is fixedly connected to one side of the vertical rod (6), and one end of the cross rod (7) is fixedly connected to one side of the circular box (8).

5. The axial flow pump with the anti-clogging function according to claim 3, characterized in that a plurality of gear teeth (31) are fixedly connected to the inner wall of the circular box (8), a second rotating rod (29) is rotatably connected to the bottom of the sleeve (9), a pinion (28) meshed with the gear teeth (31) is fixedly connected to the bottom of the second rotating rod (29), and a single-tooth gear (30) meshed with the pinion (28) is fixedly connected to the bottom of the first rotating rod (17).

6. The axial flow pump with the anti-clogging function according to claim 3, wherein the outer wall of the first rotating rod (17) is fixedly sleeved with a mounting plate (4), the top of the mounting plate (4) is fixedly connected with a plurality of bristles (3), and the bristles (3) are abutted against the bottom of the first filter screen (18).

7. The axial flow pump with the function of preventing blockage according to claim 2, characterized in that the same rubber ring (27) is arranged between the upper connecting block (16) and the lower connecting block (15).

8. The axial flow pump with the anti-clogging function according to claim 1, wherein a plurality of guide vanes (2) are fixedly connected to the inside of the pump body (21), each guide vane (2) comprises a vertical plate (201) and an arc-shaped plate (202), the vertical plate (201) is located above the arc-shaped plate (202), and the radian of the arc-shaped plate (202) is 50-70 degrees.

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