CN219654941U - High-efficiency energy-saving large vertical circulating water pump - Google Patents
High-efficiency energy-saving large vertical circulating water pump Download PDFInfo
- Publication number
- CN219654941U CN219654941U CN202321077987.8U CN202321077987U CN219654941U CN 219654941 U CN219654941 U CN 219654941U CN 202321077987 U CN202321077987 U CN 202321077987U CN 219654941 U CN219654941 U CN 219654941U
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- pump
- sleeve
- water outlet
- shaft
- guide bearing
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004134 energy conservation Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A high-efficiency energy-saving large vertical circulating water pump belongs to the technical field of large diagonal flow pumps, and particularly relates to a novel high-efficiency vertical circulating water pump. The utility model provides a novel high-capacity vertical circulating water pump which is efficient, energy-saving, reliable in structure and stable in operation. The utility model comprises a pump shaft, wherein the lower end of the pump shaft is provided with an impeller, the outside of the impeller is provided with a runner shell, a runner chamber is arranged in the runner shell, the lower end of the runner shell is provided with a suction horn pipe, a guide shell is arranged above the runner shell, a guide body is arranged in the guide shell through a bracket, a lower shaft sleeve component matched with the pump shaft is arranged in the guide body, and a guide chamber is arranged between the guide body and the guide shell, and the utility model is characterized in that: the upper end of the diversion shell is provided with a pump seat, the pump seat is provided with a water outlet elbow communicated with the diversion chamber, an external cylinder is further arranged above the pump seat, the water outlet elbow is arranged in the external cylinder, and the external cylinder is provided with a transverse water outlet pipe corresponding to the water outlet elbow.
Description
Technical Field
The utility model belongs to the technical field of large-scale diagonal flow pumps, and particularly relates to a novel efficient vertical circulating water pump.
Background
In the development of industries such as thermal power generation industry, petrochemical industry, environmental protection, large-scale hydraulic engineering, the performance parameter capacity of the corresponding large-scale circulating water pump required in different application cooling systems is increasingly improved, the energy saving and emission reduction requirements of equipment are increasingly emphasized, the efficiency and the equipment operation reliability of the existing circulating water pump are improved, and the energy saving and emission reduction requirements of equipment are met.
Disclosure of Invention
Aiming at the problems, the utility model provides the novel high-capacity vertical circulating water pump which is efficient, energy-saving, reliable in structure and stable in operation.
In order to achieve the above purpose, the utility model adopts the following technical scheme that the utility model comprises a pump shaft, an impeller is arranged at the lower end of the pump shaft, a runner shell is arranged outside the impeller, a runner chamber is arranged in the runner shell, a suction horn pipe is arranged at the lower end of the runner shell, a diversion shell is arranged above the runner shell, a diversion body is arranged in the diversion shell through a bracket, a lower shaft sleeve component matched with the pump shaft is arranged in the diversion body, and a diversion chamber is arranged between the diversion body and the diversion shell, and is characterized in that: the upper end of the diversion shell is provided with a pump seat, the pump seat is provided with a water outlet elbow communicated with the diversion chamber, an external cylinder is also arranged above the pump seat, the water outlet elbow is arranged in the external cylinder, and the external cylinder is provided with a transverse water outlet pipe corresponding to the water outlet elbow; the upper end of the pump shaft passes through the water outlet elbow and the external cylinder to be connected with a motor above the external cylinder.
As a preferable scheme of the utility model, the pump seat is provided with a groove shape with an opening at the upper part, and the lower end of the water outlet elbow is provided with a mounting plate matched with the groove shape; the external cylinder lower extreme is provided with the overcoat body, and the overcoat body cooperates with the pump seat surface, is provided with the sealing washer between the mating surface of overcoat body and pump seat.
Further, an inner sleeve body is arranged at the outer edge of the mounting plate, and the inner sleeve body is matched with the groove-shaped inner surface of the pump seat; the bottom of the outer sleeve body is provided with a supporting plate, and the lower end of the external cylinder is fixed on the supporting plate.
As another preferable scheme of the utility model, the upper end of the water outlet elbow is provided with an intermediate shaft sleeve assembly, the upper end of the external cylinder is provided with an upper shaft sleeve assembly, and the pump shaft is matched with the intermediate shaft sleeve assembly and the upper shaft sleeve assembly.
Further, the upper shaft sleeve assembly comprises an upper fixing sleeve fixed at the upper end of the external cylinder, and an upper rubber guide bearing matched with the pump shaft is arranged in the upper fixing sleeve; the middle shaft sleeve assembly comprises a middle fixing sleeve fixed at the upper end of the water outlet elbow, and a middle rubber guide bearing is arranged in the middle fixing sleeve; the lower shaft sleeve assembly comprises a lower fixing sleeve arranged in the guide body, and a lower rubber guide bearing is arranged in the lower fixing sleeve.
Further, a sleeve of the pump shaft is arranged between the upper end of the guide body and the lower end of the middle fixing sleeve.
Furthermore, an inner sleeve is arranged on the pump shaft corresponding to the upper rubber guide bearing, the middle rubber guide bearing and the lower rubber guide bearing, and gaps are arranged between the inner sleeve and the upper rubber guide bearing, between the inner sleeve and the middle rubber guide bearing, and between the inner sleeve and the lower rubber guide bearing.
Further, the lower rubber guide bearing comprises an upper section and a lower section, and a gap is also arranged between the upper section and the lower section.
The utility model has the beneficial effects that: 1. the external cylinder is internally provided with the water outlet bent pipe, and the external cylinder is provided with the transverse water outlet pipe corresponding to the water outlet bent pipe, so that the main hydraulic working part of the utility model is of a drawable structure due to the structural characteristics of the external cylinder, the transverse water outlet pipe and the pump seat can be not dismounted when the pump is overhauled, the overhauling cost can be reduced, and the operation reliability is improved.
2. According to the utility model, through the structural characteristics of the shaft sleeve assembly, a gap is arranged between the rubber guide bearing and the inner sleeve, so that the hydraulic axial force generated by the pump reaches self balance, the pump structure is simplified, and the service life of the motor bearing part of the pump set is prolonged.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the structure of the suction end of the present utility model.
Fig. 3 is a partial enlarged view of fig. 1.
In the drawing, a suction horn tube 1, a runner shell 2, a flow guiding shell 3, a flow guiding body 4, a bracket 5, a water outlet elbow 6, a transverse water outlet 7, an intermediate shaft sleeve component 8, an external cylinder 9, an upper shaft sleeve component 10, a motor 11, a pump shaft 12, a lower shaft sleeve component 13, an impeller 14, a runner chamber 15, a flow guiding chamber 16, a lower fixing sleeve 17, an upper section 18 of a lower rubber guide bearing 19, a lower section of a lower rubber guide bearing 20, an inner sleeve 21, a pump seat 22, a mounting disc 23, an outer sleeve 24, an inner sleeve 25, a supporting plate 26 and a sleeve 27 are arranged.
Detailed Description
The utility model comprises a pump shaft 12, an impeller 14 is arranged at the lower end of the pump shaft 12, a runner shell 2 is arranged outside the impeller 14, a runner chamber 15 is arranged in the runner shell 2, a suction horn tube 1 is arranged at the lower end of the runner shell 2, a guide shell 3 is arranged above the runner shell 2, a guide body 4 is arranged in the guide shell 3 through a bracket 5, a lower shaft sleeve component 13 matched with the pump shaft 12 is arranged in the guide body 4, and a guide chamber 16 is arranged between the guide body 4 and the guide shell 3, and is characterized in that: the upper end of the diversion shell 3 is provided with a pump seat 22, the pump seat 22 is provided with a water outlet elbow 6 communicated with the diversion chamber 16, an external cylinder 9 is also arranged above the pump seat 22, the water outlet elbow 6 is arranged in the external cylinder 9, and the external cylinder 9 is provided with a transverse water outlet pipe 7 corresponding to the water outlet elbow 6; the upper end of the pump shaft 12 passes through the water outlet elbow 6 and the external cylinder 9 to be connected with a motor 11 above the external cylinder 9.
As a preferable scheme of the utility model, the pump seat 22 is provided with a groove shape with an upper opening, and the lower end of the water outlet elbow 6 is provided with a mounting plate matched with the groove shape; an outer sleeve 24 is arranged at the lower end of the outer sleeve 9, the outer sleeve 24 is matched with the outer surface of the pump seat 22, and a sealing ring is arranged between the outer sleeve 24 and the matching surface of the pump seat 22.
Further, an inner sleeve 21 body is arranged at the outer edge of the mounting plate, and the inner sleeve 21 body is matched with the groove-shaped inner surface of the pump seat 22; the bottom of the outer sleeve 24 is provided with a supporting plate 26, and the lower end of the external cylinder 9 is fixed on the supporting plate 26.
As another preferable scheme of the utility model, the upper end of the water outlet elbow 6 is provided with an intermediate shaft sleeve assembly 8, the upper end of the external cylinder 9 is provided with an upper shaft sleeve assembly 10, and the pump shaft 12 is matched with the intermediate shaft sleeve assembly 8 and the upper shaft sleeve assembly 10.
Further, the upper shaft sleeve assembly 10 comprises an upper fixing sleeve fixed at the upper end of the external cylinder 9, and an upper rubber guide bearing matched with the pump shaft 12 is arranged in the upper fixing sleeve; the middle shaft sleeve assembly comprises a middle fixing sleeve fixed at the upper end of the water outlet elbow 6, and a middle rubber guide bearing is arranged in the middle fixing sleeve; the lower shaft sleeve assembly 13 comprises a lower fixing sleeve 17 arranged in the guide body 4, and a lower rubber guide bearing 20 is arranged in the lower fixing sleeve.
Further, a sleeve 27 of the pump shaft 12 is arranged between the upper end of the guide body 4 and the lower end of the middle fixing sleeve.
Further, an inner sleeve 21 is disposed on the pump shaft 12 corresponding to the upper rubber guide bearing, the middle rubber guide bearing and the lower rubber guide bearing 20, and a gap is disposed between the inner sleeve 21 and the upper rubber guide bearing, the middle rubber guide bearing and the lower rubber guide bearing 20.
Further, the lower rubber guide bearing 20 includes an upper section 18 and a lower section 19, and a gap is also provided between the upper section 18 and the lower section 19.
The suction end of the utility model is fixed on the installation foundation surface through a pump seat 22; when the overhaul and disassembly are needed, all parts can be pulled out from the upper part of the external cylinder 9, the water outlet bent pipe 6 is arranged in the external cylinder 9 and is not interfered with the external cylinder 9, so that the disassembly is convenient, and the equipment maintenance cost is reduced.
A gap is arranged between the rubber guide bearing and the inner sleeve 21, liquid can flow into the gap between the rubber guide bearing and the inner sleeve 21, the axial force of the bearing assembly can be balanced, and meanwhile, the liquid can also play a role in lubrication.
It should be understood that the foregoing detailed description of the present utility model is provided for illustration only and is not limited to the technical solutions described in the embodiments of the present utility model, and those skilled in the art should understand that the present utility model may be modified or substituted for the same technical effects; as long as the use requirement is met, the utility model is within the protection scope of the utility model.
Claims (8)
1. The utility model provides a large-scale vertical circulating water pump of high-efficient energy-conservation, including pump shaft (12), pump shaft (12) lower extreme is provided with impeller (14), impeller (14) external set is runner casing (2), be runner room (15) in runner casing (2), runner casing (2) lower extreme is provided with inhales horn (1), runner casing (2) top is provided with water conservancy diversion casing (3), be provided with water conservancy diversion body (4) in water conservancy diversion casing (3) through support (5), be provided with in water conservancy diversion body (4) with pump shaft (12) complex lower axle sleeve subassembly (13), be water conservancy diversion room (16) between water conservancy diversion body (4) and water conservancy diversion casing (3), its characterized in that: the upper end of the diversion shell (3) is provided with a pump seat (22), a water outlet bent pipe (6) communicated with the diversion chamber (16) is arranged on the pump seat (22), an external connection cylinder (9) is further arranged above the pump seat (22), the water outlet bent pipe (6) is arranged in the external connection cylinder (9), and a transverse water outlet pipe (7) corresponding to the water outlet bent pipe (6) is arranged on the external connection cylinder (9); the upper end of the pump shaft (12) passes through the water outlet elbow (6) and the external cylinder (9) to be connected with a motor (11) above the external cylinder (9).
2. The high-efficiency energy-saving large vertical circulating water pump according to claim 1, wherein: the pump seat (22) is arranged in a groove shape with an opening at the upper part, and the lower end of the water outlet elbow pipe (6) is provided with a mounting plate matched with the groove shape; an outer sleeve (24) is arranged at the lower end of the outer sleeve (9), the outer sleeve (24) is matched with the outer surface of the pump seat (22), and a sealing ring is arranged between the matching surfaces of the outer sleeve (24) and the pump seat (22).
3. The high-efficiency and energy-saving large vertical circulating water pump according to claim 2, wherein: the outer edge of the mounting plate is provided with an inner sleeve body (25), and the inner sleeve body (25) is matched with the groove-shaped inner surface of the pump seat (22); the bottom of the outer sleeve body (24) is provided with a supporting plate (26), and the lower end of the external cylinder (9) is fixed on the supporting plate (26).
4. The high-efficiency energy-saving large vertical circulating water pump according to claim 1, wherein: the upper end of the water outlet elbow pipe (6) is provided with an intermediate shaft sleeve assembly (8), the upper end of the external cylinder (9) is provided with an upper shaft sleeve assembly (10), and the pump shaft (12) is matched with the intermediate shaft sleeve assembly (8) and the upper shaft sleeve assembly (10).
5. The high-efficiency and energy-saving large vertical circulating water pump according to claim 4, wherein: the upper shaft sleeve assembly (10) comprises an upper fixing sleeve fixed at the upper end of the external cylinder (9), and an upper rubber guide bearing matched with the pump shaft (12) is arranged in the upper fixing sleeve; the middle shaft sleeve assembly comprises a middle fixing sleeve fixed at the upper end of the water outlet elbow pipe (6), and a middle rubber guide bearing is arranged in the middle fixing sleeve; the lower shaft sleeve assembly (13) comprises a lower fixing sleeve (17) arranged in the current-conducting body (4), and a lower rubber guide bearing (20) is arranged in the lower fixing sleeve.
6. The high-efficiency and energy-saving large vertical circulating water pump according to claim 5, wherein: a sleeve (27) of the pump shaft (12) is arranged between the upper end of the guide body (4) and the lower end of the middle fixing sleeve.
7. The high-efficiency and energy-saving large vertical circulating water pump according to claim 6, wherein: an inner sleeve (21) is arranged on the pump shaft (12) corresponding to the upper rubber guide bearing, the middle rubber guide bearing and the lower rubber guide bearing (20), and a gap is arranged between the inner sleeve (21) and the upper rubber guide bearing, the middle rubber guide bearing and the lower rubber guide bearing (20).
8. The high-efficiency energy-saving large vertical circulating water pump according to claim 7, wherein: the lower rubber guide bearing (20) comprises an upper section (18) and a lower section (19), and a gap is also arranged between the upper section (18) and the lower section (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321077987.8U CN219654941U (en) | 2023-05-08 | 2023-05-08 | High-efficiency energy-saving large vertical circulating water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321077987.8U CN219654941U (en) | 2023-05-08 | 2023-05-08 | High-efficiency energy-saving large vertical circulating water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219654941U true CN219654941U (en) | 2023-09-08 |
Family
ID=87854324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321077987.8U Active CN219654941U (en) | 2023-05-08 | 2023-05-08 | High-efficiency energy-saving large vertical circulating water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219654941U (en) |
-
2023
- 2023-05-08 CN CN202321077987.8U patent/CN219654941U/en active Active
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