CN113586530A - Automatic filter screen replacing and cleaning mechanism of double-suction pump - Google Patents
Automatic filter screen replacing and cleaning mechanism of double-suction pump Download PDFInfo
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- CN113586530A CN113586530A CN202111084202.5A CN202111084202A CN113586530A CN 113586530 A CN113586530 A CN 113586530A CN 202111084202 A CN202111084202 A CN 202111084202A CN 113586530 A CN113586530 A CN 113586530A
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- filter screen
- mounting table
- mounting
- fixedly connected
- motor
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- 238000004140 cleaning Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 3
- 230000010405 clearance mechanism Effects 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 21
- 239000012535 impurity Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009991 scouring Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
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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
- F04D29/70—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
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/006—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps double suction 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of 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 an automatic filter screen replacing and cleaning mechanism of a double suction pump, which comprises a base, wherein a first mounting table and a second mounting table are fixedly mounted at the top of the base, a gap is formed between the first mounting table and the second mounting table, a pump body is fixedly mounted at the top of the first mounting table, a water inlet is fixedly mounted at the top of the second mounting table, a first motor is fixedly mounted at the top of the first mounting table, a rotating shaft is fixedly connected to the front side of the first motor, a rotating disc is fixedly connected to the front end of the rotating shaft, and the rotating disc is positioned between the pump body and the water inlet; the rotary disc is provided with three groups of circular through holes in a penetrating manner, and the circular through holes are movably connected with filter screens.
Description
The technical field is as follows:
the invention relates to the field of pumps, in particular to an automatic replacing and cleaning mechanism for a filter screen of a double-suction pump.
Background art:
the double suction pump is an important form of the centrifugal pump, and is widely applied to engineering due to the characteristics of high lift, large flow and the like. This pump type impeller is actually made up of two back-to-back impellers, the water flow from the impellers merging into a volute. The double-suction pump has the following characteristics that the double-suction pump is equivalent to two single-suction impellers with the same diameter and works simultaneously, and the flow can be doubled under the same impeller outer diameter; the pump shell is horizontally opened, so that the inspection and the maintenance are convenient, and meanwhile, the inlet and the outlet of the double-suction pump are in the same direction and are vertical to the pump shaft, so that the arrangement and the installation of the pump and the water inlet and outlet pipes are facilitated; the impeller structure of the double suction pump is symmetrical, no axial force exists, and the operation is stable;
two suction pumps need carry out preliminary filtration to the water at the during operation, prevent that silt and impurity from influencing the internals structure of the pump body, and silt and impurity can be piled up to the filter screen after working a period, need regularly carry out cleaning to it.
The invention content is as follows:
the invention aims to provide an automatic filter screen replacing and cleaning mechanism of a double-suction pump, which can filter water in a pump body, adjust and replace a filter screen and clean the filter screen.
The technical problem to be solved by the invention is realized by adopting the following technical scheme: the automatic filter screen replacing and cleaning mechanism of the double-suction pump comprises a base, wherein a first mounting table and a second mounting table are fixedly mounted at the top of the base, a gap is formed between the first mounting table and the second mounting table, a pump body is fixedly mounted at the top of the first mounting table, and a water inlet is fixedly mounted at the top of the second mounting table;
preferably, a first motor is fixedly installed at the top of the first installation table, a rotating shaft is fixedly connected to the front side of the first motor, a rotating disc is fixedly connected to the front end of the rotating shaft, the rotating disc is located between the pump body and the water inlet, and two sides of the rotating disc are respectively sealed with the pump body and the water inlet;
preferably, three groups of circular through holes are formed in the rotary table in a penetrating manner, the circular through holes are distributed in the center of the rotary table, a plurality of groups of guide grooves are formed in the inner wall of each circular through hole, a filter screen is movably connected to the inner wall of each circular through hole, a plurality of clamping keys are fixedly connected to the side wall of each filter screen, and the clamping keys are movably clamped with the corresponding guide grooves;
preferably, a mounting frame is fixedly mounted on the fixed side of the first mounting table, two groups of fixture blocks are movably connected onto the mounting frame, mounting plates are fixedly connected to the front sides of the two groups of fixture blocks, a plurality of steel bars are fixedly connected to the front side of each group of mounting plates, a rubber sleeve wraps the outer side of each steel bar, two groups of eccentric turntables are movably connected onto the mounting frame, each group of eccentric turntables is movably clamped with the corresponding fixture block, a spring is wound on the outer portion of each group of rubber sleeves, and the spring is located between the mounting plates and the mounting frame;
preferably, two groups of guide rails are fixedly mounted on the lower side of the top of the mounting frame, are parallel to each other and are positioned on the front side of the turntable, each group of guide rails is movably connected with a moving frame, a rotating roller is rotatably connected between the two groups of moving frames, a cavity is arranged in the rotating roller, a plurality of water outlet holes are formed in the side wall of the rotating roller, a plurality of brushes are fixedly connected to the outer wall of the rotating roller, and a water guide hose is fixedly connected to the side wall of the rotating roller;
preferably, the top right side fixed mounting of mounting bracket has the second motor, the bottom fixedly connected with reciprocal lead screw of second motor, there is the mount through screw thread screwed connection on the reciprocal lead screw, fixed mounting has the third motor on the mount, mount and right side removal frame fixed connection.
Preferably, a base is fixedly installed at the bottom of the first installation table.
The invention has the beneficial effects that: water in the water pump passes the filter screen at the water pump during operation, and silt and impurity that the aquatic was mingled with can be filtered by the filter screen, and water washes away the rear side to circular through-hole with the filter screen at rivers scouring's in-process, and circular through-hole and filter screen form one and hold the chamber and can store silt and impurity.
After a period of time, first motor drives the carousel rotatory, thereby another clean filter screen rotates to between the pump body and the water inlet, the original filter screen that has stored silt and impurity rotates to the pump body outside, eccentric carousel is rotatory to push forward the mounting panel through the fixture block, thereby it pushes forward the filter screen to drive the reinforcing bar, will originally store the appearance chamber of silt and impurity and push forward, it is ejecting with mud and silt impurity, the second motor drives the lead screw rotation, thereby it moves in the vertical direction to drive the mount, clean the filter screen surface through the rotor, the third motor drives the rotor rotation, clean the filter screen surface through the brush, water guide hose is to the inside water injection of rotor, derive from the apopore of rotor lateral wall, wash the surface of filter screen.
Through the rotation of carousel, constantly with clean filter screen to the pump body inside, will use the filter screen that uses to rotate out and clean.
The outside parcel of reinforcing bar has the rubber sleeve to have protect function to the filter screen surface, and people can carry out filtration treatment with the water of the pump body inside, can filter the water of the pump body to filter screen and self-cleaning will be changed.
Description of the drawings:
in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention with the screen lifted;
FIG. 3 is a top view of the present invention;
FIG. 4 is a schematic view of the construction of a rotating roll according to the present invention;
FIG. 5 is a side view of the present invention;
FIG. 6 is a front view of the turntable of the present invention;
FIG. 7 is a front view of the screen;
wherein: 1. a pump body; 101. a water inlet; 2. a base; 201. a first mounting table; 202. a second mounting table; 203. a base; 3. a first motor; 301. a rotating shaft; 302. a turntable; 303. a circular through hole; 304. a guide groove; 305. filtering with a screen; 306. a card key; 307. an eccentric turntable; 308. a clamping block; 309. mounting a plate; 310. reinforcing steel bars; 311. a rubber sleeve; 312. a spring; 4. a mounting frame; 401. a guide rail; 402. a movable frame; 403. rotating the roller; 4031. a water outlet hole; 4032. a brush; 4034. a water guide hose; 404. a fixed mount; 405. a second motor; 406. a third motor; 407. and a reciprocating screw rod.
The specific implementation mode is as follows:
in order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
Example 1: as shown in fig. 1-7, an automatic filter screen replacing and cleaning mechanism for a double suction pump comprises a base 2, wherein a first mounting table 201 and a second mounting table 202 are fixedly mounted on the top of the base 2, a gap is formed between the first mounting table 201 and the second mounting table 202, a pump body 1 is fixedly mounted on the top of the first mounting table 201, and a water inlet 101 is fixedly mounted on the top of the second mounting table 202;
preferably, a first motor 3 is fixedly installed at the top of the first installation platform 201, a rotating shaft 301 is fixedly connected to the front side of the first motor 3, a rotating disc 302 is fixedly connected to the front end of the rotating shaft 301, the rotating disc 302 is located between the pump body 1 and the water inlet 101, and two sides of the rotating disc 302 are respectively sealed with the pump body 1 and the water inlet 101;
preferably, three groups of circular through holes 303 are formed in the rotary disc 302 in a penetrating manner, the circular through holes 303 are distributed in the center of the rotary disc 302, a plurality of groups of guide grooves 304 are formed in the inner wall of each circular through hole 303, a filter screen 305 is movably connected to the inner wall of each circular through hole 303, a plurality of clamping keys 306 are fixedly connected to the side wall of each filter screen 305, and the clamping keys 306 are movably clamped with the corresponding guide grooves 304;
preferably, an installation frame 4 is fixedly installed on the fixed side of the first installation table 201, two groups of fixture blocks 308 are movably connected to the installation frame 4, an installation plate 309 is fixedly connected to the front sides of the two groups of fixture blocks 308, a plurality of steel bars 310 are fixedly connected to the front side of each group of installation plate 309, a rubber sleeve 311 wraps the outer side of each steel bar 310, two groups of eccentric turntables 307 are movably connected to the installation frame 4, each group of eccentric turntables 307 is movably clamped with the corresponding fixture block 308, a spring 312 is wound on the outer portion of each group of rubber sleeves 311, and the spring 312 is located between the installation plate 309 and the installation frame 4;
preferably, the top downside fixed mounting of mounting bracket 4 has two sets of guide rails 401, and is two sets of guide rails 401 are parallel to each other and are located the front side of carousel 302, every group equal swing joint has the removal frame 402 on the guide rail 401, and is two sets of it is connected with commentaries on classics roller 403 to rotate between the removal frame 402.
Preferably, a second motor 405 is fixedly mounted on the right side of the top of the mounting frame 4, a reciprocating screw rod 407 is fixedly connected to the bottom of the second motor 405, a fixing frame 404 is spirally connected to the reciprocating screw rod 407 through threads, a third motor 406 is fixedly mounted on the fixing frame 404, and the fixing frame 404 is fixedly connected to the moving frame 402 on the right side.
Preferably, a base 203 is fixedly mounted at the bottom of the first mounting table 201.
Water in the water pump passes the filter screen at the water pump during operation, and silt and impurity that the aquatic was mingled with can be filtered by the filter screen, and water washes away the rear side to circular through-hole with the filter screen at rivers scouring's in-process, and circular through-hole and filter screen form one and hold the chamber and can store silt and impurity.
After a period of time, first motor drives the carousel rotatory, thereby another clean filter screen rotates to between the pump body and the water inlet, the original filter screen that has stored silt and impurity rotates to the pump body outside, eccentric carousel is rotatory to push forward the mounting panel through the fixture block, thereby it pushes forward the filter screen to drive the reinforcing bar, will originally store the appearance chamber of silt and impurity and push forward, it is ejecting with mud and silt impurity, the second motor drives the lead screw rotation, thereby it moves in the vertical direction to drive the mount, clean the filter screen surface through the rotor, the third motor drives the rotor rotation, clean the filter screen surface through the brush, water guide hose is to the inside water injection of rotor, derive from the apopore of rotor lateral wall, wash the surface of filter screen.
Through the rotation of carousel, constantly with clean filter screen to the pump body inside, will use the filter screen that uses to rotate out and clean.
Example 2: as shown in fig. 1-7, an automatic filter screen replacing and cleaning mechanism for a double suction pump comprises a base 2, wherein a first mounting table 201 and a second mounting table 202 are fixedly mounted on the top of the base 2, a gap is formed between the first mounting table 201 and the second mounting table 202, a pump body 1 is fixedly mounted on the top of the first mounting table 201, and a water inlet 101 is fixedly mounted on the top of the second mounting table 202;
preferably, a first motor 3 is fixedly installed at the top of the first installation platform 201, a rotating shaft 301 is fixedly connected to the front side of the first motor 3, a rotating disc 302 is fixedly connected to the front end of the rotating shaft 301, the rotating disc 302 is located between the pump body 1 and the water inlet 101, and two sides of the rotating disc 302 are respectively sealed with the pump body 1 and the water inlet 101;
preferably, three groups of circular through holes 303 are formed in the rotary disc 302 in a penetrating manner, the circular through holes 303 are distributed in the center of the rotary disc 302, a plurality of groups of guide grooves 304 are formed in the inner wall of each circular through hole 303, a filter screen 305 is movably connected to the inner wall of each circular through hole 303, a plurality of clamping keys 306 are fixedly connected to the side wall of each filter screen 305, and the clamping keys 306 are movably clamped with the corresponding guide grooves 304;
preferably, an installation frame 4 is fixedly installed on the fixed side of the first installation table 201, two groups of fixture blocks 308 are movably connected to the installation frame 4, an installation plate 309 is fixedly connected to the front sides of the two groups of fixture blocks 308, a plurality of steel bars 310 are fixedly connected to the front side of each group of installation plate 309, a rubber sleeve 311 wraps the outer side of each steel bar 310, two groups of eccentric turntables 307 are movably connected to the installation frame 4, each group of eccentric turntables 307 is movably clamped with the corresponding fixture block 308, a spring 312 is wound on the outer portion of each group of rubber sleeves 311, and the spring 312 is located between the installation plate 309 and the installation frame 4;
preferably, two groups of guide rails 401 are fixedly mounted on the lower side of the top of the mounting frame 4, the two groups of guide rails 401 are parallel to each other and are located on the front side of the turntable 302, a moving frame 402 is movably connected to each group of guide rails 401, a rotating roller 403 is rotatably connected between the two groups of moving frames 402, a cavity is arranged in the rotating roller 403, a plurality of water outlet holes 4031 are formed in the side wall of the rotating roller 403, a plurality of brushes 4032 are fixedly connected to the outer wall of the rotating roller 403, and a water guide hose 4034 is fixedly connected to the side wall of the rotating roller 403;
preferably, a second motor 405 is fixedly mounted on the right side of the top of the mounting frame 4, a reciprocating screw rod 407 is fixedly connected to the bottom of the second motor 405, a fixing frame 404 is spirally connected to the reciprocating screw rod 407 through threads, a third motor 406 is fixedly mounted on the fixing frame 404, and the fixing frame 404 is fixedly connected to the moving frame 402 on the right side.
Preferably, a base 203 is fixedly mounted at the bottom of the first mounting table 201.
Water in the water pump passes the filter screen at the water pump during operation, and silt and impurity that the aquatic was mingled with can be filtered by the filter screen, and water washes away the rear side to circular through-hole with the filter screen at rivers scouring's in-process, and circular through-hole and filter screen form one and hold the chamber and can store silt and impurity.
After a period of time, first motor drives the carousel rotatory, thereby another clean filter screen rotates to between the pump body and the water inlet, the original filter screen that has stored silt and impurity rotates to the pump body outside, eccentric carousel is rotatory to push forward the mounting panel through the fixture block, thereby it pushes forward the filter screen to drive the reinforcing bar, will originally store the appearance chamber of silt and impurity and push forward, it is ejecting with mud and silt impurity, the second motor drives the lead screw rotation, thereby it moves in the vertical direction to drive the mount, clean the filter screen surface through the rotor, the third motor drives the rotor rotation, clean the filter screen surface through the brush, water guide hose is to the inside water injection of rotor, derive from the apopore of rotor lateral wall, wash the surface of filter screen.
Through the rotation of carousel, constantly with clean filter screen to the pump body inside, will use the filter screen that uses to rotate out and clean.
The outside parcel of reinforcing bar has the rubber sleeve to have the protect function to the filter screen surface.
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.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides an automatic clearance mechanism of changing of filter screen of double entry pump, includes base (2), its characterized in that: a first mounting table (201) and a second mounting table (202) are fixedly mounted at the top of the base (2), a gap is formed between the first mounting table (201) and the second mounting table (202), a pump body (1) is fixedly mounted at the top of the first mounting table (201), and a water inlet (101) is fixedly mounted at the top of the second mounting table (202);
a first motor (3) is fixedly mounted at the top of the first mounting table (201), a rotating shaft (301) is fixedly connected to the front side of the first motor (3), a rotating disc (302) is fixedly connected to the front end of the rotating shaft (301), the rotating disc (302) is located between the pump body (1) and the water inlet (101), and two sides of the rotating disc (302) are respectively sealed with the pump body (1) and the water inlet (101);
the top downside fixed mounting of mounting bracket (4) has two sets of guide rails (401), and is two sets of guide rail (401) are parallel to each other and are located the front side of carousel (302), every group equal swing joint has removal frame (402), two sets of remove and rotate between frame (402) and be connected with commentaries on classics roller (403), change roller (403) built-in cavity, a plurality of apopores (4031) have been seted up to the lateral wall of commentaries on classics roller (403), a plurality of brushes (4032) of the outer wall fixedly connected with of commentaries on classics roller (403), the lateral wall fixedly connected with water guide hose (4034) of commentaries on classics roller (403).
2. The automatic filter screen replacing and cleaning mechanism of the double suction pump as claimed in claim 1, wherein: run through on carousel (302) and seted up three circular through-holes of group (303), circular through-hole (303) center distribution on carousel (302), a plurality of groups guide way (304) have been seted up to the inner wall of circular through-hole (303), every group the equal swing joint of inner wall of circular through-hole (303) has filter screen (305), every group the equal fixedly connected with of lateral wall of filter screen (305) a plurality of card keys (306), card key (306) and the guide way (304) activity joint that corresponds.
3. The automatic filter screen replacing and cleaning mechanism of the double suction pump as claimed in claim 1, wherein: the side fixed mounting of deciding of first mount table (201) has mounting bracket (4), swing joint has two sets of fixture blocks (308) on mounting bracket (4), and is two sets of front side fixedly connected with mounting panel (309) of fixture block (308), every group a plurality of reinforcing bars (310) of the equal fixedly connected with in front side of mounting panel (309), every the outside of reinforcing bar (310) has all wrapped up rubber sleeve (311), swing joint has two sets of eccentric turnplate (307) on mounting bracket (4), every group eccentric turnplate (307) all with fixture block (308) activity joint that corresponds, every group the outside of rubber sleeve (311) all twines there is spring (312), spring (312) are located between mounting panel (309) and mounting bracket (4).
4. The automatic filter screen replacing and cleaning mechanism of the double suction pump as claimed in claim 1, wherein: the top right side fixed mounting of mounting bracket (4) has second motor (405), the reciprocal lead screw (407) of bottom fixedly connected with of second motor (405), there is mount (404) through screw thread screwed connection on reciprocal lead screw (407), fixed mounting has third motor (406) on mount (404), mount (404) and right side removal frame (402) fixed connection.
5. The automatic filter screen replacing and cleaning mechanism of the double suction pump as claimed in claim 1, wherein: and a base (203) is fixedly arranged at the bottom of the first mounting table (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111084202.5A CN113586530A (en) | 2021-09-16 | 2021-09-16 | Automatic filter screen replacing and cleaning mechanism of double-suction pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111084202.5A CN113586530A (en) | 2021-09-16 | 2021-09-16 | Automatic filter screen replacing and cleaning mechanism of double-suction pump |
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| Publication Number | Publication Date |
|---|---|
| CN113586530A true CN113586530A (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111084202.5A Pending CN113586530A (en) | 2021-09-16 | 2021-09-16 | Automatic filter screen replacing and cleaning mechanism of double-suction pump |
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| CN (1) | CN113586530A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117780694A (en) * | 2024-02-23 | 2024-03-29 | 江苏旺源泵阀制造有限公司 | Corrosion-resistant submerged pump |
| CN117780694B (en) * | 2024-02-23 | 2024-05-03 | 江苏旺源泵阀制造有限公司 | Corrosion-resistant submerged pump |
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Application publication date: 20211102 |