CN114263639A - Large-scale axial-flow pump convenient to maintain - Google Patents

Large-scale axial-flow pump convenient to maintain Download PDF

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Publication number
CN114263639A
CN114263639A CN202111636916.2A CN202111636916A CN114263639A CN 114263639 A CN114263639 A CN 114263639A CN 202111636916 A CN202111636916 A CN 202111636916A CN 114263639 A CN114263639 A CN 114263639A
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China
Prior art keywords
flange
strip
shaped
cutting knife
fixed
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CN202111636916.2A
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Chinese (zh)
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CN114263639B (en
Inventor
赵昶
赵玉明
周伟荣
周志健
赵章萍
龙飞
徐桂莲
邓翼峰
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Gaoyou Huan Liu Pump Industry Co ltd
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Gaoyou Huan Liu Pump Industry Co ltd
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Abstract

The application discloses convenient large-scale axial-flow pump of maintaining, include pump case (1), motor, by motor drive and stretch into the first pivot in the pump case, first pivot department installs the impeller, impeller department installs the commentaries on classics leaf, the stator still has in the pump case, the water inlet department of pump case installs water inlet flange (1.1), and water outlet department installs water outlet flange (1.2), water inlet flange department installs filter unit (2), has cutting knife (4.1.1) in the filter unit. The axial-flow pump of this application is effectual, and can clear up debris, convenient maintenance.

Description

Large-scale axial-flow pump convenient to maintain
Technical Field
The application relates to the field of water pumps, in particular to a large axial flow pump convenient to maintain.
Background
The axial-flow pump impeller is provided with 2-7 blades and rotates in the circular-tube-shaped pump shell. The pump casing on the upper part of the impeller is provided with fixed guide vanes for eliminating the rotation motion of the liquid, converting the rotation motion into axial motion and converting the kinetic energy of the rotation motion into pressure energy. Axial pumps are usually single stage, with a few being made as two stages. The axial pump has large flow, and when the axial pump is used in a river channel, water in the river channel directly enters the pump shell of the axial pump from the water inlet flange, so that when some aquatic plants and the like enter the pump shell, the aquatic plants and the like can be wound on the rotating shaft and the rotating blades, and further the next use of the axial pump is influenced.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the problem that sundries such as aquatic weeds and the like can be wound on the rotating shaft and the rotating blades to influence the use of the axial flow pump, the large-scale axial flow pump convenient to maintain is provided.
The technical scheme is as follows: the utility model provides a large-scale axial-flow pump of convenient maintenance, includes pump case, motor, just stretches into the first pivot in the pump case by motor drive, first pivot department installs the impeller, impeller department installs the commentaries on classics leaf, still have the stator in the pump case, the water inlet department of pump case installs the water inlet flange, and water outlet department installs the water outlet flange, water inlet flange department installs the filter unit.
In some schemes, the filter unit includes first flange, second flange and third flange, be connected with the circular ring column shaped plate between first flange and the second flange, be connected with a plurality of montants between second flange and the third flange, a plurality of first straight-bars of second flange department fixedly connected with, a plurality of second straight-bars of third flange department fixedly connected with, first flange with flange fixed connection intakes.
In some schemes, a strip-shaped plate is further installed at the second flange, one end of each first straight rod is fixedly connected with the second flange, and the other end of each first straight rod is fixedly connected with the strip-shaped plate; the lower surface of the strip-shaped plate is provided with a strip-shaped cutting knife accommodating groove, the strip-shaped plate is provided with a limiting perforation, a limiting cylinder penetrates through the limiting perforation and can slide up and down relative to the strip-shaped plate, a bearing is fixed in the limiting cylinder, a second rotating shaft is installed at the bearing, a cutting knife is installed at the bottom end of the second rotating shaft, and the cutting knife can be accommodated in the cutting knife accommodating groove; a frustum-shaped block is fixed at the top end of the second rotating shaft, a disc part is fixed at the bottom end of the first rotating shaft, the disc part is connected with a butting ring through a plurality of connecting supports, and the butting ring is provided with a frustum-shaped groove capable of butting against the frustum-shaped block; the second rotating shaft penetrates through the abutting ring; the upper surface of the strip-shaped plate is also fixedly provided with a strip-shaped fixed block, a rotating rod penetrates through the strip-shaped fixed block, one end of the rotating rod, which is close to the limiting cylinder, is provided with an external thread, the limiting cylinder is provided with an upper threaded hole and a lower threaded hole, one end of the rotating rod, which is far away from the limiting cylinder, penetrates through the circular cylindrical plate, and one end of the rotating rod, which is far away from the limiting cylinder, is provided with a knob; when one end of the rotating rod is matched and screwed with the lower threaded hole, the cutting knife is accommodated in the cutting knife accommodating groove, and the frustum-shaped block is positioned above the abutting ring and is not in contact with the abutting ring; when the one end of dwang and the cooperation of last screw hole were screwed, the cutting knife is located between second flange and the third flange, and frustum shape piece with the butt ring butt.
In some schemes, a cylinder part is further fixed on the outer side of the circular cylindrical plate, the rotating rod penetrates through the cylinder part, and a locking bolt for locking the relative position of the rotating rod and the cylinder part is arranged at the cylinder part.
In some schemes, the limiting cylinder comprises a cylinder part with an open top end and an open bottom end, a plurality of limiting vertical ribs fixedly connected with the outer side wall of the cylinder part and a strip-shaped protruding block fixed with the outer side wall of the cylinder part, and the upper threaded hole and the lower threaded hole are both located at the strip-shaped protruding block.
In some aspects, a circular ring part is fixed at one second straight rod of the second straight rods, the circular ring part is positioned below the second rotating shaft, and the axis of the circular ring part and the axis of the second rotating shaft are collinear. Set up ring portion and make to second pivot and spacing section of thick bamboo go up the top, pull down when operation more convenient.
In some embodiments, the second plurality of straight rods are parallel to each other.
In some embodiments, among the first straight bars, the first straight bars on one side of the strip-shaped plate are parallel to each other, and the first straight bars on the other side of the strip-shaped plate are parallel to each other.
In some schemes, the number of the first straight rods on one side of the strip-shaped plate is equal to that of the first straight rods on the other side of the strip-shaped plate, the first straight rods and the first straight rods are in one-to-one correspondence, and the two corresponding first straight rods are located on the same straight line.
In some schemes, the adjacent first straight rods are equal in distance, and the adjacent second straight rods are equal in distance; the distance between two adjacent first straight bars is half of the distance between two adjacent second straight bars. The straight rods with different densities are arranged, so that the effects similar to primary filtration and secondary filtration can be achieved.
In some embodiments, a semicircular ring is fixed to the bottom end of the second rotating shaft. Set up semicircular ring for it is more convenient when carrying out top, drop-down operation to second pivot and spacing section of thick bamboo.
Beneficial effect, for prior art, the scheme of this application has following advantage:
1) the filtering unit is arranged and has a double structure, so that a better filtering effect is achieved.
2) Because the filter unit is connected with the pump shell through the flange, the filter unit is more convenient to disassemble and assemble.
3) Has the advantages of cutting sundries and aquatic weeds, avoiding manual cleaning and increasing the labor efficiency.
Drawings
FIG. 1 is a schematic view of an axial flow pump;
FIG. 2 is a schematic view of a filter unit for cutting aquatic weeds;
FIG. 3 is an enlarged view of the area 1 of FIG. 2A;
FIG. 4 is an enlarged view of the area 2 of FIG. 2A;
FIG. 5 is a schematic view of a first perspective of the filter unit when the cutter is received;
FIG. 6 is an enlarged view of the area of FIG. 5B;
FIG. 7 is a schematic view of a second perspective of the filter unit when the cutter is received;
FIG. 8 is an enlarged view of the area 1 of FIG. 7C;
fig. 9 is an enlarged view of the area 2 of fig. 7C.
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.
Reference numerals: 1 a pump housing; 1.1 a water inlet flange; 1.2 water outlet flange; 2, a filtering unit; 2.1 a first flange; 2.2 a second flange; 2.3 a third flange; 2.4 circular cylindrical plate; 2.5 a first straight rod; 2.6 a second straight rod; 2.6.1 circular ring part; 2.7 vertical rods; 2.8 strip-shaped plates; 2.8.1 a cutting knife accommodating groove; 2.9 fixing blocks in strip shape; 2.10 rotating the rod; 2.11 a knob; 2.12 barrel part; 2.13 locking the bolt; 3.1 a first rotating shaft; 3.2 a disk part; 3.3 connecting the bracket; 3.4 an abutment ring; 3.5 a frustum-shaped groove; 4.1 a second rotating shaft; 4.1.1 cutting knife; 4.2 a frustum-shaped block; 4.3 limiting cylinder; 4.4 strip-shaped protruding blocks; 4.4.1 an upper threaded hole; 4.5 limiting vertical ribs; 4.6 semi-circular ring.
As shown in the figure: the utility model provides a large-scale axial-flow pump of convenient maintenance, includes pump case 1, motor, just stretches into the first pivot in the pump case by motor drive, first pivot department installs the impeller, impeller department installs the commentaries on classics leaf, still have the stator in the pump case, the water inlet department of pump case installs water inlet flange 1.1, and water outlet department installs water outlet flange 1.2, water inlet flange department installs filter unit 2. The filter unit, filter unit 2 includes first flange 2.1, second flange 2.2 and third flange 2.3, be connected with annular cylindrical plate 2.4 between first flange 2.1 and the second flange 2.2, be connected with a plurality of montants 2.7 between second flange 2.2 and the third flange 2.3, a plurality of first straight-bar 2.5 of second flange 2.2 fixedly connected with department, a plurality of second straight-bar 2.6 of third flange 2.3 fixedly connected with department, first flange 2.1 with water inlet flange 1.1 fixed connection.
A strip-shaped plate 2.8 is further mounted at the second flange 2.2, one end of each first straight rod 2.5 is fixedly connected with the second flange 2.2, and the other end of each first straight rod is fixedly connected with the strip-shaped plate 2.8; the lower surface of the strip-shaped plate 2.8 is provided with a strip-shaped cutting knife accommodating groove 2.8.1, a limiting perforation is arranged at the position of the strip-shaped plate 2.8, a limiting cylinder 4.3 penetrates through the limiting perforation, the limiting cylinder 4.3 can slide up and down relative to the strip-shaped plate 2.8, a bearing is fixed in the limiting cylinder 4.3, a second rotating shaft 4.1 is arranged at the bearing, a cutting knife 4.1.1 is arranged at the bottom end of the second rotating shaft 4.1, and the cutting knife 4.1.1 can be accommodated in the cutting knife accommodating groove 2.8.1; a frustum-shaped block 4.2 is fixed at the top end of the second rotating shaft 4.1, a disc part 3.2 is fixed at the bottom end of the first rotating shaft 3.1, the disc part 3.2 is connected with a butting ring 3.4 through a plurality of connecting supports 3.3, and the butting ring 3.4 is provided with a frustum-shaped groove 3.5 which can be butted with the frustum-shaped block 4.2; the second rotating shaft 4.1 penetrates through the abutting ring 3.4; a strip-shaped fixed block 2.9 is further fixed on the upper surface of the strip-shaped plate 2.8, a rotating rod 2.10 penetrates through the strip-shaped fixed block 2.9, an external thread is arranged at one end, close to the limiting cylinder, of the rotating rod 2.10, an upper threaded hole 3.1.1 and a lower threaded hole are arranged at the position of the limiting cylinder 4.3, one end, far away from the limiting cylinder 4.3, of the rotating rod 2.10 penetrates through the circular cylindrical plate 2.4, and a knob 2.11 is arranged at one end, far away from the limiting cylinder 4.3, of the rotating rod 2.10; when one end of the rotating rod 2.10 is matched and screwed with the lower threaded hole, the cutting knife 4.11 is accommodated in the cutting knife accommodating groove 2.8.1, and the frustum-shaped block 4.2 is positioned above the abutting ring and is not in contact with the abutting ring 3.4; when one end of the rotating rod 2.10 is matched and screwed with the upper threaded hole 4.4.1, the cutting knife 4.11 is positioned between the second flange 2.2 and the third flange 2.3, and the frustum-shaped block 4.2 is abutted to the abutting ring 3.4.
The outside of ring column plate 2.4 still is fixed with the section of thick bamboo 2.12, dwang 2.10 passes section of thick bamboo 2.12, section of thick bamboo 2.12 department has the dead bolt 2.13 of locking dwang 2.10 and section of thick bamboo 2.12 relative position. The limiting cylinder 4.3 comprises a cylinder part with an open top end and an open bottom end, a plurality of limiting vertical ribs 4.5 fixedly connected with the outer side wall of the cylinder part and a strip-shaped protruding block 4.4 fixed with the outer side wall of the cylinder part, and the upper threaded hole 4.4.1 and the lower threaded hole are located at the strip-shaped protruding block 4.4. A circular ring part 2.6.1 is fixed at one 2.6 of the second straight rods 2.6, the circular ring part 2.6.1 is positioned below the second rotating shaft 4.1, and the axis of the circular ring part 2.6.1 is collinear with the axis of the second rotating shaft 4.1. The plurality of first straight rods 2.5 are distributed at equal intervals, and the plurality of second straight rods 2.6 are distributed at equal intervals; the distance between two adjacent first straight bars 2.5 is half of the distance between two adjacent second straight bars 2.6. And a semicircular ring 4.6 is fixed at the bottom end of the second rotating shaft 4.1.
As shown in the figure, the axial-flow pump of this application owing to have the filter unit, consequently can block big debris outside the filter unit, some little debris, pasture and water etc. still can twine among the filter unit this moment, if manual cleaning, the degree of difficulty is very big, and the clearance is unclean. Can loosen the locking bolt this moment, move the dwang backward, descend the cutting knife, and frustum shape piece and butt ring butt make the dwang die with the position lock of spacing section of thick bamboo again, die the dwang position lock with the locking bolt to the motor drives first pivot and rotates, and first pivot drives the second pivot and rotates, thereby the cutting knife rotates, cuts debris pasture and water. After the cutting clearance finishes, loosen locking bolt removal dwang again to make the cutting knife accomodate once more in the cutting knife holding tank, avoid the damage of cutting knife, consequently the cutting knife is arranged in between first, two flanges, and the cutting knife can rotate. On the one hand can damage the cutting knife, on the other hand also can exert an influence to the rivers of pumping, consequently this application has related to the cutting knife and can have reciprocated and can accomodate in the scheme of cutting knife holding tank to the realization is to the protection of cutting knife, and does not influence pumping rivers. The circular ring part and the semicircular ring facilitate a maintainer to pass a tool through the circular ring part and operate the second rotating shaft by virtue of the semicircular ring.
It is to be noted that 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.
While the invention has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the invention as defined in the following claims.

Claims (7)

1. The utility model provides a large-scale axial-flow pump of convenient maintenance, its characterized in that includes pump case (1), motor, just stretches into the first pivot in the pump case by motor drive, first pivot department installs the impeller, impeller department installs the commentaries on classics leaf, still have the stator in the pump case, water inlet department of pump case installs into water flange (1.1), and water outlet department installs out water flange (1.2), filter unit (2) are installed to water flange department.
2. Large axial-flow pump convenient to maintain according to claim 1, characterized in that the filtering unit, the filtering unit (2) comprises a first flange (2.1), a second flange (2.2) and a third flange (2.3), a circular cylindrical plate (2.4) is connected between the first flange (2.1) and the second flange (2.2), a plurality of vertical rods (2.7) are connected between the second flange (2.2) and the third flange (2.3), a plurality of first straight rods (2.5) are fixedly connected to the second flange (2.2), a plurality of second straight rods (2.6) are fixedly connected to the third flange (2.3), and the first flange (2.1) is fixedly connected to the water inlet flange (1.1).
3. The large axial-flow pump convenient to maintain according to claim 2, wherein a strip-shaped plate (2.8) is further installed at the second flange (2.2), one end of each first straight rod (2.5) is fixedly connected with the second flange (2.2), and the other end of each first straight rod is fixedly connected with the strip-shaped plate (2.8); the lower surface of the strip-shaped plate (2.8) is provided with a strip-shaped cutting knife accommodating groove (2.8.1), the strip-shaped plate (2.8) is provided with a limiting perforation, a limiting cylinder (4.3) is arranged at the limiting perforation in a penetrating manner, the limiting cylinder (4.3) can slide up and down relative to the strip-shaped plate (2.8), a bearing is fixed in the limiting cylinder (4.3), a second rotating shaft (4.1) is arranged at the bearing, a cutting knife (4.1.1) is arranged at the bottom end of the second rotating shaft (4.1), and the cutting knife (4.1.1) can be accommodated in the cutting knife accommodating groove (2.8.1); a frustum-shaped block (4.2) is fixed at the top end of the second rotating shaft (4.1), a disc part (3.2) is fixed at the bottom end of the first rotating shaft (3.1), the disc part (3.2) is connected with a butting ring (3.4) through a plurality of connecting supports (3.3), and the butting ring (3.4) is provided with a frustum-shaped groove (3.5) capable of being butted with the frustum-shaped block (4.2); the second rotating shaft (4.1) penetrates through the abutting ring (3.4); the upper surface of the strip-shaped plate (2.8) is further fixed with a strip-shaped fixed block (2.9), a rotating rod (2.10) is arranged at the strip-shaped fixed block (2.9) in a penetrating mode, an external thread is arranged at one end, close to the limiting cylinder, of the rotating rod (2.10), an upper threaded hole (3.1.1) and a lower threaded hole are arranged at the limiting cylinder (4.3), one end, far away from the limiting cylinder (4.3), of the rotating rod (2.10) penetrates through the circular ring cylindrical plate (2.4), and a knob (2.11) is arranged at one end, far away from the limiting cylinder (4.3), of the rotating rod (2.10); when one end of the rotating rod (2.10) is matched and screwed with the lower threaded hole, the cutting knife (4.11) is accommodated in the cutting knife accommodating groove (2.8.1), and the frustum-shaped block (4.2) is positioned above the abutting ring and is not in contact with the abutting ring (3.4); when one end of the rotating rod (2.10) is matched and screwed with the upper threaded hole (4.4.1), the cutting knife (4.11) is positioned between the second flange (2.2) and the third flange (2.3), and the frustum-shaped block (4.2) is abutted to the abutting ring (3.4).
4. The large axial flow pump convenient to maintain according to claim 3, characterized in that a cylindrical part (2.12) is further fixed on the outer side of the circular cylindrical plate (2.4), the rotating rod (2.10) penetrates through the cylindrical part (2.12), and a locking bolt (2.13) for locking the relative position of the rotating rod (2.10) and the cylindrical part (2.12) is arranged at the cylindrical part (2.12).
5. The large axial flow pump convenient to maintain according to claim 3, wherein the limiting cylinder (4.3) comprises a cylinder part with an open top end and a bottom end, a plurality of limiting vertical ribs (4.5) fixedly connected with the outer side wall of the cylinder part, and a strip-shaped protruding block (4.4) fixed with the outer side wall of the cylinder part, and the upper threaded hole (4.4.1) and the lower threaded hole are both located at the strip-shaped protruding block (4.4).
6. Large axial flow pump convenient for maintenance according to claim 3, characterized in that a circular part (2.6.1) is fixed at one second straight rod (2.6) of the second straight rods (2.6), the circular part (2.6.1) is located below the second rotating shaft (4.1), and the axis of the circular part (2.6.1) and the axis of the second rotating shaft (4.1) are collinear.
7. Large axial flow pump facilitating maintenance according to claim 3, characterised in that a semi-circular ring (4.6) is fixed to the bottom end of the second rotor shaft (4.1).
CN202111636916.2A 2021-12-29 2021-12-29 Large-scale axial-flow pump convenient to maintain Active CN114263639B (en)

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CN202111636916.2A CN114263639B (en) 2021-12-29 2021-12-29 Large-scale axial-flow pump convenient to maintain

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CN114263639B CN114263639B (en) 2022-11-15

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010039858A1 (en) * 2008-09-30 2010-04-08 The Gorman-Rupp Company Chopper pump
CN107725400A (en) * 2017-11-15 2018-02-23 江苏旭日泵业制造有限公司 Anti-clogging axial-flow pump
CN110107507A (en) * 2019-05-24 2019-08-09 高邮环流泵业有限公司 Axial-flow pump with long service life
CN209654260U (en) * 2019-03-04 2019-11-19 杭州金氏泵业有限公司 A kind of axial-flow pump of anti-fluid float object blocking
CN211288197U (en) * 2019-12-18 2020-08-18 扬州海源泵业有限公司 Axial flow pump
CN112112816A (en) * 2020-09-23 2020-12-22 泗县金皖泵业有限公司 Multistage impeller axial-flow pump for agricultural machinery
CN112228354A (en) * 2020-09-28 2021-01-15 陈艳红 DC axial flow water pump

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010039858A1 (en) * 2008-09-30 2010-04-08 The Gorman-Rupp Company Chopper pump
US20100092276A1 (en) * 2008-09-30 2010-04-15 John Cartwright Chopper pump
CN107725400A (en) * 2017-11-15 2018-02-23 江苏旭日泵业制造有限公司 Anti-clogging axial-flow pump
CN209654260U (en) * 2019-03-04 2019-11-19 杭州金氏泵业有限公司 A kind of axial-flow pump of anti-fluid float object blocking
CN110107507A (en) * 2019-05-24 2019-08-09 高邮环流泵业有限公司 Axial-flow pump with long service life
CN211288197U (en) * 2019-12-18 2020-08-18 扬州海源泵业有限公司 Axial flow pump
CN112112816A (en) * 2020-09-23 2020-12-22 泗县金皖泵业有限公司 Multistage impeller axial-flow pump for agricultural machinery
CN112228354A (en) * 2020-09-28 2021-01-15 陈艳红 DC axial flow water pump

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