CN215595900U - Flood prevention axial-flow pump and wear-resisting pump body thereof - Google Patents
Flood prevention axial-flow pump and wear-resisting pump body thereof Download PDFInfo
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- CN215595900U CN215595900U CN202122201326.9U CN202122201326U CN215595900U CN 215595900 U CN215595900 U CN 215595900U CN 202122201326 U CN202122201326 U CN 202122201326U CN 215595900 U CN215595900 U CN 215595900U
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Abstract
The utility model belongs to the technical field of fluid transportation, and particularly relates to a flood prevention axial-flow pump and a wear-resistant pump body thereof. Flood prevention axial-flow pump includes: the motor is provided with a motor shell and a motor shaft extending out of the top of the motor shell; the wear-resistant pump body comprises a pump shell, wherein the pump shell is provided with a liquid outlet, a guide vane mounting cavity, an impeller mounting cavity and a liquid inlet which are sequentially communicated from top to bottom, a wear-resistant ring sleeve is mounted on the inner side wall of the impeller mounting cavity, and the pump shell is usually made of light-weight material aluminum alloy or plastic; the motor support frame is used for connecting the motor and the wear-resistant pump body; and the impeller is arranged at the extending end of the motor shaft, is positioned in the impeller mounting cavity and is used for being matched with the wear-resistant ring sleeve. The main material of the pump body is aluminum alloy or plastic, and the stainless steel sleeve is arranged on the inner side wall of the impeller mounting cavity, so that the pump body has the same wear resistance as the stainless steel pump body, and the product weight is effectively reduced.
Description
Technical Field
The utility model belongs to the technical field of fluid transportation, and particularly relates to a flood prevention axial-flow pump and a wear-resistant pump body thereof.
Background
At present, the flood prevention axial flow pump is widely applied to flood control and disaster relief.
In order to facilitate carrying of firemen and reduce labor intensity of the firemen, most of flood prevention axial-flow pumps are made of light aluminum materials, and due to the fact that the aluminum materials are not wear-resistant, when silt sewage is pumped for a long time, the inner wall of the pump body where the impeller is located is worn due to impact of the silt, and therefore gaps between the outer diameter of the impeller and the inner wall of the pump body are larger and larger until the pump body is perforated and scrapped. Meanwhile, as the gap is larger and larger, the water pumping efficiency of the flood prevention axial-flow pump can also be gradually reduced, and the progress of flood fighting and disaster relief is influenced.
In order to solve the above problems, pump bodies made of wear-resistant stainless steel materials have appeared on the market, but the pump bodies are heavy and inconvenient to carry, and at the same time, the pump bodies are expensive to manufacture.
Disclosure of Invention
The flood prevention axial flow pump and the wear-resistant pump body thereof are simple in structure, light in weight and long in service life.
The purpose of the utility model is realized as follows:
the utility model provides a wear-resisting pump body for flood prevention axial-flow pump, includes the pump case, the pump case has from last liquid outlet, stator installation cavity, impeller installation cavity and the inlet that down communicates in proper order, install wear-resisting ring cover on the inside wall of impeller installation cavity, the pump case is made by lightweight material.
The utility model is further provided with that the wear-resistant ring sleeve is a stainless steel sleeve.
The utility model is further provided that the lightweight material is an aluminum alloy or plastic.
The guide vane mounting structure is further provided with an inner core arranged in the middle of the guide vane mounting cavity, and a plurality of guide vanes are integrally formed between the outer wall of the inner core and the inner wall of the guide vane mounting cavity.
The utility model is further provided with an upper connecting ring for installing a liquid outlet pipeline is formed on the outer side of the upper end of the pump shell, and an installation ring groove is formed in the upper connecting ring; the pump comprises a pump shell and is characterized in that a lower connecting ring used for mounting a motor is formed on the outer side of the upper end of the pump shell, and a plurality of threaded holes are formed in the lower connecting ring.
The utility model is further provided with an anti-skid groove arranged on the outer side wall of the wear-resistant ring sleeve.
Flood prevention axial-flow pump includes:
the motor is provided with a motor shell and a motor shaft extending out of the top of the motor shell;
the wear-resistant pump body is the wear-resistant pump body;
the motor support frame is used for connecting the motor and the wear-resistant pump body; and
the impeller is arranged at the extending end of the motor shaft, is positioned in the impeller mounting cavity and is used for being matched with the wear-resistant ring sleeve.
The motor support frame is further provided with an upper mounting ring used for connecting a wear-resistant pump body, a lower mounting ring used for connecting a motor and a plurality of support ribs for connecting the upper mounting ring and the lower mounting ring.
The utility model is further provided with a filter screen cover arranged between the wear-resistant pump body outside the motor support frame and the motor.
The utility model is further provided with that the motor is a permanent magnet synchronous motor.
Compared with the prior art, the utility model has the outstanding and beneficial technical effects that: the main material of the pump body is aluminum alloy or plastic, the inner side wall of the impeller mounting cavity is provided with the wear-resistant ring sleeve, and the wear-resistant ring sleeve is preferably a stainless steel sleeve, so that the pump body has the same wear resistance as a stainless steel pump body, and the weight of the product is effectively reduced.
Drawings
Fig. 1 is a schematic structural view of the flood prevention axial flow pump of the present invention.
Fig. 2 is a schematic structural view of the wear-resistant pump body of the present invention.
The reference numerals in the figures denote the meanings:
1-a pump casing; 2, a motor; 3-an impeller;
11-a liquid inlet; 12-a liquid outlet; 13-wear-resistant ring sleeve; 14-an inner core; 15-guide vanes; 16-upper connecting ring; 161-mounting ring grooves; 17-lower connecting ring; 171-a threaded hole; 18-a filter screen;
21-motor casing; 22-motor shaft; 23-a motor support frame; 231-upper mounting ring; 232-lower mounting ring; 233 support ribs.
Detailed Description
The utility model is further described below with reference to specific examples:
as shown in fig. 1, the flood prevention axial-flow pump comprises a motor 2, a motor support frame 23, a wear-resistant pump body and an impeller 3.
As shown in fig. 2, the wear-resisting pump body includes pump case 1, and pump case 1 has from last liquid outlet 12, stator installation cavity, impeller installation cavity and the inlet 11 that down communicates in proper order, install wear-resisting ring cover 13 on the inside wall of impeller installation cavity, wear-resisting ring cover 13 is the stainless steel cover. The pump housing 1 is made of a lightweight material, preferably aluminum alloy or plastic.
The wear-resistant pump body of the embodiment is completed by a pressure casting die at one time. Or through expend with heat and contract with cold's mode, install the stainless steel cover in pump case 1, heat pump case 1 earlier promptly, then with the stainless steel cover direct mount to impeller installation cavity, accomplish the integral type and assemble. In addition, in order to prevent the wear-resistant ring sleeve 13 from slipping out, a plurality of anti-slip grooves can be further formed in the outer side wall of the wear-resistant ring sleeve 13, so that the contact area between the outer side wall of the wear-resistant ring sleeve and the inner side wall of the impeller mounting cavity is increased, and the mounting strength is guaranteed.
The main material of the pump body is aluminum alloy or plastic, and the stainless steel sleeve is arranged on the inner side wall of the impeller mounting cavity, so that the pump body has the same wear resistance as the stainless steel pump body, and the product weight is effectively reduced.
The middle part of stator installation cavity is provided with inner core 14, inner core 14 outer wall with integrated into one piece has a plurality of stator 15 between the inner wall of stator installation cavity for the liquid drainage.
Preferably, an upper connecting ring 16 for installing the liquid outlet pipeline is formed on the outer side of the upper end of the pump shell 1, and an installation ring groove 161 for installing the sealing ring is opened on the upper connecting ring 16. A lower connecting ring 17 for mounting the motor 2 is formed on the outer side of the upper end of the pump shell 1, and a plurality of threaded holes 171 are formed in the lower connecting ring 17.
The wear-resistant pump body is arranged above the motor 2 through a motor support frame 23. Specifically, the motor support bracket 23 has an upper mounting ring 231 for connecting the wear-resistant pump body, a lower mounting ring 232 for connecting the motor 2, and a plurality of support ribs 233 for connecting the two. The upper mounting ring 231 is connected to the lower connecting ring 17 of the wear-resistant pump body, and this and fixed connection is achieved by means of screws and threaded holes 171. In this embodiment, the upper mounting ring 231 is larger than the lower mounting ring 232, and the support ribs 233 are distributed around the upper mounting ring and the lower mounting ring to form a hollow inverted frustum structure, which is used for supporting the wear-resistant pump body and is also beneficial to liquid flow.
The motor 2 is a permanent magnet synchronous motor, and has a motor housing 21 and a motor shaft 22 extending from the top of the motor housing 21. The impeller 3 is installed at the extending end of the motor shaft 22 and is positioned in the impeller installation cavity, and is used for being matched with the wear-resistant ring sleeve 13 to realize liquid suction. In order to prevent impurities from entering the liquid inlet 11, a filter screen 18 is arranged between the wear-resistant pump body outside the motor support frame 23 and the motor 2.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.
Claims (10)
1. The utility model provides a wear-resisting pump body for flood prevention axial-flow pump which characterized in that: including pump case (1), pump case (1) has from last liquid outlet (12), stator installation cavity, impeller installation cavity and inlet (11) that down communicate in proper order, install wear-resisting ring cover (13) on impeller installation cavity's the inside wall, pump case (1) is made by the lightweight material.
2. The wear-resistant pump body for the flood prevention axial flow pump according to claim 1, characterized in that: the wear-resistant ring sleeve (13) is a stainless steel sleeve.
3. The wear-resistant pump body for the flood prevention axial flow pump according to claim 2, characterized in that: the lightweight material is aluminum alloy or plastic.
4. The wear-resistant pump body for the flood prevention axial flow pump according to claim 1, characterized in that: the middle part of stator installation cavity is provided with inner core (14), inner core (14) outer wall with integrated into one piece has a plurality of stator (15) between the inner wall of stator installation cavity.
5. The wear-resistant pump body for the flood prevention axial flow pump according to claim 1, characterized in that: an upper connecting ring (16) for mounting a liquid outlet pipeline is formed on the outer side of the upper end of the pump shell (1), and a mounting ring groove (161) is formed in the upper connecting ring (16); the motor pump is characterized in that a lower connecting ring (17) used for mounting the motor (2) is formed on the outer side of the upper end of the pump shell (1), and a plurality of threaded holes (171) are formed in the lower connecting ring (17).
6. The wear-resistant pump body for the flood prevention axial flow pump according to claim 1, characterized in that: and the outer side wall of the wear-resistant ring sleeve (13) is provided with an anti-skidding groove.
7. The flood prevention axial-flow pump is characterized by comprising:
the motor (2) is provided with a motor shell (21) and a motor shaft (22) extending out of the top of the motor shell (21);
a wear-resistant pump body according to any one of claims 1 to 6;
the motor support frame (23) is used for connecting the motor (2) and the wear-resistant pump body; and
and the impeller (3) is arranged at the extending end of the motor shaft (22), is positioned in the impeller mounting cavity and is used for being matched with the wear-resistant ring sleeve (13).
8. The flood prevention axial flow pump according to claim 7, characterized in that: the motor support frame (23) is provided with an upper mounting ring (231) used for connecting a wear-resistant pump body, a lower mounting ring (232) used for connecting the motor (2) and a plurality of support ribs (233) for connecting the upper mounting ring and the lower mounting ring.
9. The flood prevention axial flow pump according to claim 8, characterized in that: and a filter screen (18) is arranged between the wear-resistant pump body on the outer side of the motor support frame (23) and the motor (2).
10. The flood prevention axial flow pump according to claim 7, characterized in that: the motor (2) is a permanent magnet synchronous motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122201326.9U CN215595900U (en) | 2021-09-11 | 2021-09-11 | Flood prevention axial-flow pump and wear-resisting pump body thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122201326.9U CN215595900U (en) | 2021-09-11 | 2021-09-11 | Flood prevention axial-flow pump and wear-resisting pump body thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215595900U true CN215595900U (en) | 2022-01-21 |
Family
ID=79885551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122201326.9U Active CN215595900U (en) | 2021-09-11 | 2021-09-11 | Flood prevention axial-flow pump and wear-resisting pump body thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215595900U (en) |
-
2021
- 2021-09-11 CN CN202122201326.9U patent/CN215595900U/en active Active
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