CN112253528A - Wear-resisting high strength centrifugal pump impeller - Google Patents
Wear-resisting high strength centrifugal pump impeller Download PDFInfo
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- CN112253528A CN112253528A CN202010946330.5A CN202010946330A CN112253528A CN 112253528 A CN112253528 A CN 112253528A CN 202010946330 A CN202010946330 A CN 202010946330A CN 112253528 A CN112253528 A CN 112253528A
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- Prior art keywords
- centrifugal pump
- pump impeller
- impeller
- transmission shaft
- wear
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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
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials especially adapted for liquid pumps
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
- F04D29/242—Geometry, shape
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a wear-resistant high-strength centrifugal pump impeller which comprises an impeller main body, wherein a square hole is formed in the middle of the impeller main body, a sliding sleeve matched with the square hole is fixedly installed in the square hole, a circular through hole is formed in the middle of the sliding sleeve along the central axis direction of the sliding sleeve, a transmission shaft is inserted in the circular through hole and is of a horizontally arranged round rod-shaped structure, a first external thread and a second external thread are respectively arranged on the outer sides of the left section and the right section of the transmission shaft, the spiral directions of the first external thread and the second external thread are opposite, limiting assemblies are symmetrically arranged on two sides of the impeller main body and comprise limiting rings in threaded connection with the transmission shaft, a clamping sleeve is arranged between each limiting ring and the. The invention has the beneficial effects that: the structure is unique and novel, the integral abrasion resistance of the centrifugal pump impeller can be effectively improved, and the transverse position of the centrifugal pump impeller can be conveniently adjusted on the transmission shaft.
Description
Technical Field
The invention relates to the technical field of centrifugal pumps, in particular to a wear-resistant high-strength centrifugal pump impeller.
Background
The centrifugal pump is a vane pump which conveys liquid by the centrifugal force generated when an impeller rotates, and mechanical energy is transmitted to the liquid by the vanes due to the interaction of the vanes and the liquid in the rotating process of the rotating impeller, so that the pressure of the liquid can be increased, and the aim of conveying the liquid is fulfilled. Centrifugal pumps are of various types, such as vertical type, horizontal type, single-stage type, multi-stage type, single-suction type, double-suction type, self-suction type and the like. The method is widely applied to industrial and urban water supply and drainage, energy, metallurgy, chemical industry, textile, paper making, petroleum, electric power, paper making, food and drug manufacturing, synthetic fiber and other departments.
At present, the conventional single structure of the existing centrifugal pump is common, the wear-resisting strength of an impeller of the centrifugal pump is general, and the potential safety hazard is large.
Disclosure of Invention
In order to solve the problems, the invention discloses a wear-resistant high-strength centrifugal pump impeller, which effectively improves the overall wear-resistant strength of the centrifugal pump impeller.
The specific scheme is as follows:
the utility model provides a wear-resisting high strength centrifugal pump impeller which characterized in that: including the impeller main part, the middle part of impeller main part is equipped with the quad slit, fixed mounting has the sliding sleeve rather than the looks adaptation in the quad slit, the middle part of sliding sleeve is equipped with circular through-hole along its central axis direction, it has the transmission shaft to alternate in the circular through-hole, the round rod-like structure that the transmission shaft set up for the level, two sections outsides are equipped with first external screw thread and second external screw thread respectively about the transmission shaft, the spiral opposite direction of first external screw thread and second external screw thread, the bilateral symmetry of impeller main part is equipped with spacing subassembly, spacing subassembly include the spacing ring with transmission shaft threaded connection, be equipped with the cutting ferrule between spacing ring and the impeller main part, the cutting ferrule cover is established outside the transmission shaft.
Furthermore, both ends all stretch out both ends about the quad slit about the sliding sleeve, the middle part through-hole of cutting ferrule and the appearance looks adaptation of sliding sleeve.
Further, the manufacturing process of the impeller main body comprises the following steps:
firstly, placing Al at the bottom of a vacuum furnace crucible, and then adding Mg, Zn, Si, Cu and Fe into the vacuum furnace crucible; then, the vacuum degree in the vacuum furnace crucible is 0.8Mpa, and high-temperature refining is carried out; cooling to obtain a crucible, and casting to obtain an alloy ingot; carrying out solid solution treatment on the obtained alloy ingot, then carrying out aging treatment, and then keeping for later use;
secondly, quenching the alloy ingot; and then carrying out first cold rolling and annealing, carrying out second cold rolling and annealing after the deformation of the first cold rolling reaches 50%, and obtaining a centrifugal pump impeller casting after the deformation of the first cold rolling reaches 70%.
Further, continuously carrying out hot isostatic pressing treatment on the obtained centrifugal pump impeller casting, and then naturally cooling to room temperature; and then further accurately processing the appearance, the size and the like of the centrifugal pump impeller by utilizing metal machining equipment to obtain a finished product of the centrifugal pump impeller.
Further, the surface of the finished product centrifugal pump impeller obtained by inspection has no obvious scabs, cracks and slag ditches, and the interior has no defects of obvious shrinkage cavities, looseness and the like, unqualified products are reprocessed, and qualified products are inspected and put in storage.
The invention has the beneficial effects that: the structure is unique and novel, the integral abrasion resistance of the centrifugal pump impeller can be effectively improved, and the transverse position of the centrifugal pump impeller can be conveniently adjusted on the transmission shaft.
Drawings
Fig. 1 is a schematic structural view of an impeller of a wear-resistant high-strength centrifugal pump according to the present invention.
List of reference numerals:
1-impeller main body, 2-sliding sleeve, 3-transmission shaft, 4-limiting ring and 5-cutting sleeve.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention.
As shown in the figure, a wear-resisting high strength centrifugal pump impeller, including impeller main part 1, the middle part of impeller main part 1 is equipped with the quad slit, fixed mounting has sliding sleeve 2 rather than the looks adaptation in the quad slit, sliding sleeve 2's middle part is equipped with circular through-hole along its central axis direction, it has transmission shaft 3 to alternate in the circular through-hole, transmission shaft 3 is the round rod-shaped structure of level setting, two sections outsides are equipped with first external screw thread and second external screw thread respectively about transmission shaft 3, the spiral opposite direction of first external screw thread and second external screw thread, impeller main part 1's bilateral symmetry is equipped with spacing subassembly, spacing subassembly includes spacing ring 4 with 3 threaded connection of transmission shaft, be equipped with cutting ferrule 5 between spacing ring 4 and the impeller main part 1, cutting ferrule 5 cover is established outside transmission shaft 3.
In this embodiment, both ends about square hole all are stretched out at both ends about sliding sleeve 2, the middle part through-hole of cutting ferrule 5 and sliding sleeve 2's appearance looks adaptation.
In the present embodiment, the manufacturing process of the impeller body 1 is as follows:
firstly, placing Al at the bottom of a vacuum furnace crucible, and then adding Mg, Zn, Si, Cu and Fe into the vacuum furnace crucible; then, the vacuum degree in the vacuum furnace crucible is 0.8Mpa, and high-temperature refining is carried out; cooling to obtain a crucible, and casting to obtain an alloy ingot; carrying out solid solution treatment on the obtained alloy ingot, then carrying out aging treatment, and then keeping for later use;
secondly, quenching the alloy ingot; and then carrying out first cold rolling and annealing, carrying out second cold rolling and annealing after the deformation of the first cold rolling reaches 50%, and obtaining a centrifugal pump impeller casting after the deformation of the first cold rolling reaches 70%.
In this embodiment, the obtained centrifugal pump impeller casting continues to undergo hot isostatic pressing, and then is naturally cooled to room temperature; and then further accurately processing the appearance, the size and the like of the centrifugal pump impeller by utilizing metal machining equipment to obtain a finished product of the centrifugal pump impeller.
In this embodiment, the finished centrifugal pump impeller obtained by inspection has no obvious scars, cracks and slag ditches on the surface and no obvious shrinkage cavity, looseness and other defects inside, the unqualified impeller is reprocessed, and the qualified impeller is a finished impeller and is put in storage.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features.
Claims (5)
1. The utility model provides a wear-resisting high strength centrifugal pump impeller which characterized in that: comprises an impeller main body (1), a square hole is arranged in the middle of the impeller main body (1), a sliding sleeve (2) matched with the square hole is fixedly arranged in the square hole, a circular through hole is arranged in the middle of the sliding sleeve (2) along the central axis direction thereof, a transmission shaft (3) is inserted in the round through hole, the transmission shaft (3) is a round rod-shaped structure which is horizontally arranged, the outer sides of the left section and the right section of the transmission shaft (3) are respectively provided with a first external thread and a second external thread, the spiral directions of the first external thread and the second external thread are opposite, the two sides of the impeller main body (1) are symmetrically provided with limiting components, the limiting component comprises a limiting ring (4) in threaded connection with the transmission shaft (3), a clamping sleeve (5) is arranged between the limiting ring (4) and the impeller main body (1), and the clamping sleeve (5) is sleeved outside the transmission shaft (3).
2. A wear-resistant high-strength centrifugal pump impeller according to claim 1, characterized in that: the left end and the right end of the sliding sleeve (2) extend out of the left end and the right end of the square hole, and a middle through hole of the clamping sleeve (5) is matched with the appearance of the sliding sleeve (2).
3. A wear-resistant high-strength centrifugal pump impeller according to claim 1, characterized in that: the manufacturing process of the impeller main body (1) comprises the following steps:
firstly, placing Al at the bottom of a vacuum furnace crucible, and then adding Mg, Zn, Si, Cu and Fe into the vacuum furnace crucible; then, the vacuum degree in the vacuum furnace crucible is 0.8Mpa, and high-temperature refining is carried out; cooling to obtain a crucible, and casting to obtain an alloy ingot; carrying out solid solution treatment on the obtained alloy ingot, then carrying out aging treatment, and then keeping for later use;
secondly, quenching the alloy ingot; and then carrying out first cold rolling and annealing, carrying out second cold rolling and annealing after the deformation of the first cold rolling reaches 50%, and obtaining a centrifugal pump impeller casting after the deformation of the first cold rolling reaches 70%.
4. A wear-resistant high-strength centrifugal pump impeller according to claim 3, characterized in that: continuously carrying out hot isostatic pressing treatment on the obtained centrifugal pump impeller casting, and then naturally cooling to room temperature; and then further accurately processing the appearance, the size and the like of the centrifugal pump impeller by utilizing metal machining equipment to obtain a finished product of the centrifugal pump impeller.
5. A wear-resistant high-strength centrifugal pump impeller according to claim 4, characterized in that: and (4) detecting whether the surface of the finished product centrifugal pump impeller has obvious scars, cracks and slag ditches or not and the interior of the finished product centrifugal pump impeller has no defects of obvious shrinkage cavities, looseness and the like, re-processing unqualified products, and storing the qualified products into finished products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010946330.5A CN112253528A (en) | 2020-09-10 | 2020-09-10 | Wear-resisting high strength centrifugal pump impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010946330.5A CN112253528A (en) | 2020-09-10 | 2020-09-10 | Wear-resisting high strength centrifugal pump impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112253528A true CN112253528A (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010946330.5A Pending CN112253528A (en) | 2020-09-10 | 2020-09-10 | Wear-resisting high strength centrifugal pump impeller |
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| CN (1) | CN112253528A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0763193A (en) * | 1993-08-23 | 1995-03-07 | Ishikawajima Harima Heavy Ind Co Ltd | Impeller installation structure for centrifugal type low temperature compressor |
| CN201428644Y (en) * | 2009-05-22 | 2010-03-24 | 比亚迪股份有限公司 | Cooling water pump impeller component |
| CN202402338U (en) * | 2011-12-08 | 2012-08-29 | 上海邦浦实业集团有限公司 | Novel positioning structure of double suction pump impeller |
| CN203035600U (en) * | 2012-06-28 | 2013-07-03 | 福建省银象电器有限公司 | Unit pump structure of submerged pump loop impeller used for well |
| CN203783980U (en) * | 2014-01-08 | 2014-08-20 | 陈亚波 | Nut locking mechanism for magnetic pump impeller |
| CN205663634U (en) * | 2016-05-13 | 2016-10-26 | 安徽卧龙泵阀股份有限公司 | Centrifugal pump is moulded to large -traffic lining of high strength |
| CN107254615A (en) * | 2017-06-27 | 2017-10-17 | 南京律智诚专利技术开发有限公司 | A kind of alloy for being used to cast foreign-going ship propeller |
| CN107419139A (en) * | 2017-06-27 | 2017-12-01 | 南京律智诚专利技术开发有限公司 | A kind of alloy for airborne vehicle compressor impeller |
| CN206785651U (en) * | 2017-06-07 | 2017-12-22 | 河北泽悦节能设备科技有限公司 | A kind of multi-level pump impeller fixing device |
| CN108149079A (en) * | 2017-12-08 | 2018-06-12 | 安徽银龙泵阀股份有限公司 | A kind of centrifugal pump impeller |
| CN211343374U (en) * | 2019-12-06 | 2020-08-25 | 嘉兴市世伟纺织有限公司 | Impeller convenient to disassemble and used for complete slurry pump |
-
2020
- 2020-09-10 CN CN202010946330.5A patent/CN112253528A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0763193A (en) * | 1993-08-23 | 1995-03-07 | Ishikawajima Harima Heavy Ind Co Ltd | Impeller installation structure for centrifugal type low temperature compressor |
| CN201428644Y (en) * | 2009-05-22 | 2010-03-24 | 比亚迪股份有限公司 | Cooling water pump impeller component |
| CN202402338U (en) * | 2011-12-08 | 2012-08-29 | 上海邦浦实业集团有限公司 | Novel positioning structure of double suction pump impeller |
| CN203035600U (en) * | 2012-06-28 | 2013-07-03 | 福建省银象电器有限公司 | Unit pump structure of submerged pump loop impeller used for well |
| CN203783980U (en) * | 2014-01-08 | 2014-08-20 | 陈亚波 | Nut locking mechanism for magnetic pump impeller |
| CN205663634U (en) * | 2016-05-13 | 2016-10-26 | 安徽卧龙泵阀股份有限公司 | Centrifugal pump is moulded to large -traffic lining of high strength |
| CN206785651U (en) * | 2017-06-07 | 2017-12-22 | 河北泽悦节能设备科技有限公司 | A kind of multi-level pump impeller fixing device |
| CN107254615A (en) * | 2017-06-27 | 2017-10-17 | 南京律智诚专利技术开发有限公司 | A kind of alloy for being used to cast foreign-going ship propeller |
| CN107419139A (en) * | 2017-06-27 | 2017-12-01 | 南京律智诚专利技术开发有限公司 | A kind of alloy for airborne vehicle compressor impeller |
| CN108149079A (en) * | 2017-12-08 | 2018-06-12 | 安徽银龙泵阀股份有限公司 | A kind of centrifugal pump impeller |
| CN211343374U (en) * | 2019-12-06 | 2020-08-25 | 嘉兴市世伟纺织有限公司 | Impeller convenient to disassemble and used for complete slurry pump |
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Application publication date: 20210122 |
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| RJ01 | Rejection of invention patent application after publication |