CN111503062B - Centrifugal pump with blades easy to clean - Google Patents
Centrifugal pump with blades easy to clean Download PDFInfo
- Publication number
- CN111503062B CN111503062B CN202010467893.6A CN202010467893A CN111503062B CN 111503062 B CN111503062 B CN 111503062B CN 202010467893 A CN202010467893 A CN 202010467893A CN 111503062 B CN111503062 B CN 111503062B
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- Prior art keywords
- wheel disc
- power shaft
- cavity
- pump
- pump body
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- 230000003670 easy-to-clean Effects 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000005192 partition Methods 0.000 claims abstract description 26
- 210000004907 gland Anatomy 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 5
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
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
- 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
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- 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
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
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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 a centrifugal pump with blades easy to clean, which comprises a pump body, wherein a pump cavity is arranged in the pump body, a left partition plate and a right partition plate are arranged in the pump cavity side by side, and a left cavity, a right cavity and an impeller cavity are arranged in the pump cavity; a water outlet pipeline and a water inlet pipeline are arranged on the side surface of the pump body; a power shaft is rotatably connected in the pump body, and a first wheel disc is fixedly arranged on the power shaft in the impeller cavity; the right end of the left clapboard is rotatably connected with a left wheel disc, and the left end of the right clapboard is rotatably connected with a right wheel disc; a plurality of arc-shaped grooves are formed in the first wheel disc, a plurality of left blades are arranged on the left wheel disc, and each left blade extends into the arc-shaped groove; the right wheel disc is provided with a plurality of right blades, and each right blade extends into the arc-shaped groove; a left push rod assembly and a right push rod assembly are arranged in the pump body; the centrifugal pump is simple in structure and convenient for cleaning scales and impurities on the blades.
Description
Technical Field
The invention belongs to the technical field of centrifugal pumps, and particularly relates to a centrifugal pump with blades easy to clean.
Background
The centrifugal pump is widely applied to the engineering fields of petrochemical industry, farmland water conservancy construction, ships and the like, flowing media flow into the impeller from the impeller inlet of the centrifugal pump during working, centrifugal force and work are obtained by means of the blades rotating at a high speed, energy is generated, and the media flowing out of the outlet of the centrifugal pump are conveyed to equipment. The impeller is the core part of the centrifugal pump and plays an important role in conveying flowing media.
The centrifugal pump impeller of prior art can form incrustation scale and adhesion impurity after the during operation time, and firm fastening if not in time clearance on the blade can make each blade weight inconsistent, and the during operation can produce the noise, and the manual cleaning still needs to be dismantled, and is inefficient.
Disclosure of Invention
The invention aims to provide a centrifugal pump with blades easy to clean, which is simple in structure and convenient for cleaning scales and impurities on the blades.
In order to achieve the purpose, the invention provides the following technical scheme:
a centrifugal pump easy to clean blades comprises a pump body, wherein a pump cavity is arranged in the pump body, a left partition plate and a right partition plate are arranged in the pump cavity side by side, a left chamber is formed between the left partition plate and the left side wall of the pump cavity in the pump cavity, a right chamber is formed between the right partition plate and the right side wall of the pump cavity, and an impeller chamber is formed between the left partition plate and the right partition plate; a water outlet pipeline communicated with the impeller cavity and a water inlet pipeline communicated with the left cavity and the right cavity are arranged on the side surface of the pump body; a power shaft penetrating through the right cavity, the impeller cavity and the left cavity is connected in the pump body in a rotating mode, and a first wheel disc is fixedly installed on the power shaft in the impeller cavity; the right end of the left partition plate is rotatably connected with a left wheel disc positioned in the impeller cavity on the outer side of the power shaft, and the left end of the right partition plate is rotatably connected with a right wheel disc positioned in the impeller cavity on the outer side of the power shaft; a plurality of arc-shaped grooves are uniformly arranged in the first wheel disc at intervals along the circumferential direction, a plurality of left blades which are in one-to-one correspondence with the arc-shaped grooves are arranged on the surface of the left wheel disc facing the first wheel disc, and each left blade extends into the corresponding arc-shaped groove; the surface of the right wheel disc facing the first wheel disc is provided with a plurality of right blades which are in one-to-one correspondence with the arc-shaped grooves, and each right blade extends into the corresponding arc-shaped groove and is attached to the left blade in the arc-shaped groove; and a left push rod assembly used for driving the left wheel disc to move left and right along the axial direction of the power shaft and a right push rod assembly used for driving the right wheel disc to move left and right along the axial direction of the power shaft are arranged in the pump body.
Further, left side push rod assembly includes left sleeve pipe, left side sleeve pipe sliding connection just cup joints on the power shaft in the left side of the pump body, the central point of left side rim plate puts and is equipped with left water sucking mouth, left side rim plate is equipped with left connecting block through left branch in left water sucking mouth department, left side sheathed tube right-hand member extends and is equipped with the left connecting rod with left connecting block fixed connection, the side that the power shaft stretches out pump body left side one end is equipped with left locating hole, be equipped with left screw hole on the sleeve pipe of a left side, left side screw hole threaded connection has left positioning bolt, and when left positioning bolt stretched into left locating hole, left sleeve pipe and power shaft fixed connection.
Further, right side push rod assembly includes right sleeve pipe, right side sleeve pipe sliding connection just cup joints on the power shaft on the right side of the pump body, the central point of right side rim plate puts and is equipped with right water sucking mouth, right side rim plate is equipped with right connecting block through right branch pole in right water sucking mouth department, right sheathed tube left end extend be equipped with right connecting block fixed connection's right connecting rod, the side that the power shaft stretches out pump body right side one end is equipped with right locating hole, be equipped with right screw hole on the sleeve pipe of the right side, right screw hole female connection has right positioning bolt, when right positioning bolt stretches into right locating hole, right sleeve pipe and power shaft fixed connection.
Furthermore, a right block is fixedly installed on the right side of the pump body, the power shaft is rotatably connected in the right block, a rotary groove is formed in the right block on the outer side of the power shaft, a convex shoulder located in the rotary groove is radially arranged on the outer side of the power shaft, and a right gland used for preventing the convex shoulder from separating from the rotary groove is fixedly installed on the right side of the right block; and the right connecting rod penetrates through the shoulder to be connected with the right connecting block.
Furthermore, the power shaft is provided with a flange on the right side of the first wheel disc along the radial direction, the left side of the first wheel disc is connected with a check ring in an interference manner, and the check ring is fixedly connected with the left side of the first wheel disc.
Furthermore, the pump body includes casing and last casing down, inlet channel and outlet conduit all set up the side of casing down.
Advantageous effects
Compared with the prior art, the technical scheme of the invention has the following advantages:
according to the invention, the left sleeve and the right sleeve are driven to slide left and right, so that the left blade on the left wheel and the right blade on the right wheel disc can be respectively controlled to move back and forth along the left and right directions of the power shaft, and when the left blade moves in the arc-shaped groove of the first wheel disc, water scales or impurities on the two sides of the left blade are scraped by the first wheel disc and the right blade; when the right blade moves in the arc-shaped groove of the first wheel disc, water scales or impurities on two surfaces of the right blade are scraped by the first wheel disc and the left blade, so that the left blade and the right blade can be cleaned without disassembling a pump, and the cleaning is convenient.
Drawings
FIG. 1 is a schematic three-dimensional structure of the present invention;
FIGS. 2-4 are plan view structural diagrams of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 2;
FIGS. 6-7 are schematic views of a blade cleaning process according to the present invention;
FIG. 8 is a schematic three-dimensional view of the left wheel disc of the present invention;
FIG. 9 is a schematic three-dimensional illustration of a first wheel disc in accordance with the present invention;
FIG. 10 is a schematic three-dimensional view of a right wheel disc according to the present invention;
FIG. 11 is a schematic view of the assembly of the left wheel, the right wheel and the first wheel of the present invention;
FIG. 12 is a schematic three-dimensional view of the right sleeve of the present invention;
FIG. 13 is a schematic three-dimensional view of the left sleeve of the present invention;
FIG. 14 is a schematic three-dimensional view of a power shaft according to the present invention;
FIG. 15 is a schematic view of the assembly structure of the power shaft and the right sleeve of the present invention.
Detailed Description
Referring to fig. 1-15, a centrifugal pump easy to clean blades comprises a pump body 1, a pump cavity is arranged in the pump body 1, a left partition plate 1a and a right partition plate 1b are arranged in the pump cavity side by side, a left chamber 1c is formed between the left partition plate 1a and the left side wall of the pump cavity in the pump cavity, a right chamber 1d is formed between the right partition plate 1b and the right side wall of the pump cavity, and an impeller chamber 1e is formed between the left partition plate 1a and the right partition plate 1 b; a water outlet pipeline 1f communicated with the impeller cavity 1e and a water inlet pipeline 1g communicated with the left cavity 1c and the right cavity 1d are arranged on the side surface of the pump body 1; the pump body 1 is connected with a power shaft 3 which penetrates through a right chamber 1d, an impeller cavity 1e and a left chamber 1c in a rotating mode, a first wheel disc 6 is fixedly installed on the power shaft 3 in the impeller cavity 1e, a flange 36 is arranged on the power shaft 3 on the right side of the first wheel disc 6 in the radial direction, a check ring 36a is connected to the left side of the first wheel disc 6 in an interference mode, and the check ring 36a is fixedly connected with the left side of the first wheel disc 6.
The right end of the left partition plate 1a is rotatably connected with a left wheel disc 5 positioned in the impeller cavity 1e at the outer side of the power shaft 3, and the left end of the right partition plate 1b is rotatably connected with a right wheel disc 4 positioned in the impeller cavity 1e at the outer side of the power shaft 3; a plurality of arc-shaped grooves 61 are uniformly arranged in the first wheel disc 6 at intervals along the circumferential direction, a plurality of left blades 51 corresponding to the arc-shaped grooves 61 one by one are arranged on the surface of the left wheel disc 5 facing the first wheel disc 6, and each left blade 51 extends into the corresponding arc-shaped groove 61; the right wheel disc 4 is provided with a plurality of right blades 41 which are in one-to-one correspondence with the arc-shaped grooves 61 on the surface facing the first wheel disc 6, and each right blade 41 extends into the corresponding arc-shaped groove 61 and is attached to the left blade 51 positioned in the arc-shaped groove 61; and a left push rod assembly used for driving the left wheel disc 5 to move left and right along the axial direction of the power shaft 3 and a right push rod assembly used for driving the right wheel disc 4 to move left and right along the axial direction of the power shaft 3 are arranged in the pump body 1.
Left side push rod assembly includes left sleeve pipe 7, left side sleeve pipe 7 sliding connection just cup joints on power shaft 3 in the left side of the pump body 1, the central point of left side rim plate 5 puts and is equipped with left water sucking mouth 53, left side rim plate 5 is equipped with left connecting block 52 in left water sucking mouth 53 department through left branch 521, the right-hand member of left side sleeve pipe 7 extends and is equipped with left connecting rod 701 with left connecting block 52 fixed connection, the side that power shaft 3 stretches out pump body 1 left side one end is equipped with left locating hole 31, be equipped with left screw hole 71 on the left side sleeve pipe 7, left side screw hole 71 female connection has left positioning bolt 91, and when left positioning bolt 91 stretched into left locating hole 31, left side sleeve pipe 7 and power shaft 3 fixed connection.
The right side push rod subassembly includes right sleeve pipe 8, 8 sliding connection of right side sleeve pipe are on the right side of the pump body 1 and cup joint on power shaft 3, the central point of right side rim plate 4 puts and is equipped with right water sucking mouth 43, right side rim plate 4 is equipped with right connecting block 42 through right branch 421 in right water sucking mouth 43 department, the left end of right side sleeve pipe 8 extends and is equipped with right connecting rod 801 with right connecting block 42 fixed connection, the side that power shaft 3 stretches out 1 right side one end of the pump body is equipped with right locating hole 33, be equipped with right screw hole 81 on the right side sleeve pipe 8, right side screw hole 81 female connection has right positioning bolt 92, and when right positioning bolt 92 stretched into right locating hole 33, right side sleeve pipe 8 and 3 fixed connection of power shaft.
A right block 9a is fixedly installed on the right side of the pump body 1, the power shaft 3 is rotatably connected in the right block 9a, a rotary groove 9b is formed in the right block 9a and on the outer side of the power shaft 3, a convex shoulder 35 located in the rotary groove 9b is radially arranged on the outer side of the power shaft 3, and a right gland 9c used for preventing the convex shoulder 35 from being separated from the rotary groove 9b is fixedly installed on the right side of the right block 9 a; the right connecting rod 801 is connected to the right connecting block 42 through the shoulder 35.
In the invention, the pump body 1 comprises a lower shell 11 and an upper shell 12, and the water inlet pipeline 1g and the water outlet pipeline 1f are both arranged on the side surface of the lower shell 11.
When the double-suction pump works, the left positioning bolt is screwed into the left positioning hole, the right positioning bolt is screwed into the right positioning hole, the right end of the left blade 51 and the left end of the right blade 41 are inserted into the arc-shaped groove 61, the left wheel disc 5, the first wheel disc 6 and the right wheel disc 4 jointly form a double-suction pump, namely, water in a water inlet pipeline respectively enters the left water suction port 53 and the right water suction port 43 and then respectively flows out through a flow channel between the left blades 51 of the left wheel disc 5 and a flow channel between the right blades 41 of the right wheel disc 4. When the blades do not need to be cleaned, as shown in fig. 5, the left positioning bolt is screwed into the left positioning hole, the right positioning bolt is screwed into the right positioning hole, the left sleeve and the right sleeve are both fixedly connected with the power shaft 3, and when the power shaft 3 rotates, the left wheel disc 5 and the right wheel disc 4 can be driven to rotate.
When the blades need to be cleaned, the left positioning bolt is screwed out of the left positioning hole, the left sleeve 7 moves rightwards, and the left wheel disc 5 can be pushed to move rightwards, as shown in fig. 6, the left blade 51 moves rightwards in the arc-shaped groove 61, and scale or impurities on two surfaces of the left blade 51 are scraped by the first wheel disc and the right blade 41; in addition, the right positioning bolt is screwed out of the right positioning hole, so that the right sleeve 8 moves leftwards, the right wheel disc 4 can be pushed to move leftwards, as shown in fig. 7, the right blade 41 moves leftwards in the arc-shaped groove 61, and scale or impurities on two surfaces of the right blade 41 are scraped by the first wheel disc 6 and the left blade 51.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A centrifugal pump easy to clean blades comprises a pump body, wherein a pump cavity is arranged in the pump body, a left partition plate and a right partition plate are arranged in the pump cavity side by side, a left chamber is formed between the left partition plate and the left side wall of the pump cavity in the pump cavity, a right chamber is formed between the right partition plate and the right side wall of the pump cavity, and an impeller chamber is formed between the left partition plate and the right partition plate; a water outlet pipeline communicated with the impeller cavity and a water inlet pipeline communicated with the left cavity and the right cavity are arranged on the side surface of the pump body; the pump is characterized in that a power shaft penetrating through a right cavity, an impeller cavity and a left cavity is rotatably connected in the pump body, and a first wheel disc is fixedly arranged on the power shaft in the impeller cavity; the right end of the left partition plate is rotatably connected with a left wheel disc positioned in the impeller cavity on the outer side of the power shaft, and the left end of the right partition plate is rotatably connected with a right wheel disc positioned in the impeller cavity on the outer side of the power shaft; a plurality of arc-shaped grooves are uniformly arranged in the first wheel disc at intervals along the circumferential direction, a plurality of left blades which are in one-to-one correspondence with the arc-shaped grooves are arranged on the surface of the left wheel disc facing the first wheel disc, and each left blade extends into the corresponding arc-shaped groove; the surface of the right wheel disc facing the first wheel disc is provided with a plurality of right blades which are in one-to-one correspondence with the arc-shaped grooves, and each right blade extends into the corresponding arc-shaped groove and is attached to the left blade in the arc-shaped groove; and a left push rod assembly used for driving the left wheel disc to move left and right along the axial direction of the power shaft and a right push rod assembly used for driving the right wheel disc to move left and right along the axial direction of the power shaft are arranged in the pump body.
2. The centrifugal pump easy to clean blades of claim 1, wherein the left push rod assembly comprises a left sleeve, the left sleeve is slidably connected to the left side of the pump body and is sleeved on the power shaft, a left water suction port is formed in the center of the left wheel disc, a left connecting block is arranged on the left water suction port through a left supporting rod, a left connecting rod fixedly connected with the left connecting block extends from the right end of the left sleeve, a left positioning hole is formed in the side face of one end, extending out of the left side of the pump body, of the power shaft, a left threaded hole is formed in the left sleeve, a left positioning bolt is connected in the left threaded hole in a threaded mode, and when the left positioning bolt extends into the left positioning hole, the left sleeve is fixedly connected with the power shaft.
3. The centrifugal pump easy to clean blades of claim 1, wherein the right push rod assembly comprises a right sleeve, the right sleeve is slidably connected to the right side of the pump body and is sleeved on the power shaft, a right water suction port is formed in the center of the right wheel disc, the right wheel disc is provided with a right connecting block at the right water suction port through a right supporting rod, the left end of the right sleeve extends to form a right connecting rod fixedly connected with the right connecting block, a right positioning hole is formed in the side face of one end, extending out of the right side of the pump body, of the power shaft, a right threaded hole is formed in the right sleeve, a right positioning bolt is connected to the right threaded hole in a threaded manner, and when the right positioning bolt extends into the right positioning hole, the right sleeve is fixedly.
4. The centrifugal pump easy to clean blades as claimed in claim 3, wherein a right block is fixedly installed on the right side of the pump body, the power shaft is rotatably connected in the right block, a rotary groove is formed in the right block on the outer side of the power shaft, a shoulder positioned in the rotary groove is radially arranged on the outer side of the power shaft, and a right gland used for preventing the shoulder from being separated from the rotary groove is fixedly installed on the right side of the right block; and the right connecting rod penetrates through the shoulder to be connected with the right connecting block.
5. The centrifugal pump easy to clean blades of claim 1, wherein the power shaft is provided with a retaining edge at the right side of the first wheel disc in the radial direction, and a retaining ring is connected at the left side of the first wheel disc in an interference manner and fixedly connected with the left side of the first wheel disc.
6. The centrifugal pump easy to clean blades of claim 1, wherein the pump body comprises a lower housing and an upper housing, and the water inlet pipe and the water outlet pipe are both arranged on the side of the lower housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010467893.6A CN111503062B (en) | 2020-05-28 | 2020-05-28 | Centrifugal pump with blades easy to clean |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010467893.6A CN111503062B (en) | 2020-05-28 | 2020-05-28 | Centrifugal pump with blades easy to clean |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111503062A CN111503062A (en) | 2020-08-07 |
| CN111503062B true CN111503062B (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010467893.6A Active CN111503062B (en) | 2020-05-28 | 2020-05-28 | Centrifugal pump with blades easy to clean |
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| CN (1) | CN111503062B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252119A (en) * | 2021-05-13 | 2021-08-13 | 李述冰 | Multifunctional water meter |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016207034A1 (en) * | 2015-06-25 | 2016-12-29 | Lindner, Timo | Pond pump having a filter cleaning assembly |
| CN107131147B (en) * | 2017-05-17 | 2024-02-06 | 山西省运城华洋电泵制造有限公司 | Self-cleaning water pump |
| CN208348146U (en) * | 2018-04-03 | 2019-01-08 | 江苏江大流体技术有限公司 | A kind of impeller for marine centrifugal pump |
| CN208474185U (en) * | 2018-06-22 | 2019-02-05 | 扬州瑞创电气有限公司 | A kind of energy-saving and frequency-variable fan controller |
| CN108775287B (en) * | 2018-07-16 | 2024-03-22 | 上海瑞晨环保科技股份有限公司 | Self-priming centrifugal pump |
| CN110966180A (en) * | 2019-03-08 | 2020-04-07 | 邹伟明 | Double-disk disrotatory digital tooth circular gear pump |
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2020
- 2020-05-28 CN CN202010467893.6A patent/CN111503062B/en active Active
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| CN111503062A (en) | 2020-08-07 |
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Effective date of registration: 20210317 Address after: 272300 Yutai County Economic Development Zone, Jining, Shandong (south of the ancient Pavilion Road, North First Ring Road) Applicant after: JINING ANTAI MINE EQUIPMENT MANUFACTURING Co.,Ltd. Address before: Room 408-1, 265, building 75, Huangli new village, Baihe street, Yinzhou District, Ningbo City, Zhejiang Province Applicant before: Li Jun |
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Denomination of invention: Centrifugal pump with easy blade cleaning Effective date of registration: 20220928 Granted publication date: 20210406 Pledgee: Yutai County Branch of China Postal Savings Bank Co.,Ltd. Pledgor: JINING ANTAI MINE EQUIPMENT MANUFACTURING Co.,Ltd. Registration number: Y2022980016646 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
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Date of cancellation: 20231130 Granted publication date: 20210406 Pledgee: Yutai County Branch of China Postal Savings Bank Co.,Ltd. Pledgor: JINING ANTAI MINE EQUIPMENT MANUFACTURING Co.,Ltd. Registration number: Y2022980016646 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A centrifugal pump with easy blade cleaning Effective date of registration: 20231201 Granted publication date: 20210406 Pledgee: Jining Branch of Rizhao Bank Co.,Ltd. Pledgor: JINING ANTAI MINE EQUIPMENT MANUFACTURING Co.,Ltd. Registration number: Y2023980069039 |