CN113294378A - High-efficiency water pumping device - Google Patents
High-efficiency water pumping device Download PDFInfo
- Publication number
- CN113294378A CN113294378A CN202110768557.XA CN202110768557A CN113294378A CN 113294378 A CN113294378 A CN 113294378A CN 202110768557 A CN202110768557 A CN 202110768557A CN 113294378 A CN113294378 A CN 113294378A
- Authority
- CN
- China
- Prior art keywords
- labyrinth
- grease
- labyrinth seal
- fat
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- F04D29/08—Sealings
- F04D29/16—Sealings between pressure and suction sides
- F04D29/165—Sealings between pressure and suction sides especially adapted 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
- F04D29/06—Lubrication
- F04D29/061—Lubrication especially adapted 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
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/106—Shaft sealings especially adapted for liquid pumps
- F04D29/108—Shaft sealings especially adapted for liquid pumps the sealing fluid being other than the working liquid or being the working liquid treated
Abstract
The invention relates to the technical field of hydraulic machinery, in particular to a high-efficiency water pumping device, which comprises a shell, wherein a shaft is rotatably arranged in the middle of the shell, an impeller is arranged on the shaft through a connecting key, a grease labyrinth seal body is arranged between the impeller and the shell in a sealing manner, the impeller is rotatably arranged in the grease labyrinth seal body, grease labyrinth seal sleeves are respectively arranged on two sides of the shaft and are arranged in the shell, an inner sealing grease injection check cup and an outer sealing grease injection cup are respectively arranged at two ends of the shell, the inner sealing grease injection check cup is communicated with a labyrinth wall of the grease labyrinth seal body, and the outer sealing grease injection cup is communicated with the labyrinth wall of the grease labyrinth seal sleeve Mechanical loss, improved device efficiency, safety and reliability.
Description
Technical Field
The invention relates to the technical field of hydraulic machinery, in particular to a high-efficiency water pumping device.
Background
The structure of the traditional equipment has a plurality of defects, such as thin and long shaft, poor rigidity, large operation swing, and widened rotating clearance standard, so that the backflow loss is forced to be increased for safety, and meanwhile, the large swing causes the sealing failure at the shaft neck. In addition, the long shaft can generate large vibration when rotating at high speed, and the service life of the whole equipment is influenced. Therefore, innovative water pumping device structures are urgently needed to improve energy efficiency.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a high-efficiency water pumping device.
In order to achieve the purpose, the invention adopts the following technical scheme:
high-efficient water installation of raising upward, which comprises a housin, middle part in the casing rotates and is provided with the axle, epaxial installs the impeller through the connecting key, the sealed fat labyrinth seal that is provided with between impeller and the casing, and the impeller rotates and sets up in fat labyrinth seal, and the both sides of axle are provided with fat labyrinth seal cover respectively, and fat labyrinth seal cover sets up in the casing, the both ends of casing are equipped with the contrary cup of ending of inner seal notes fat and the outer seal notes fat cup respectively, the contrary cup of ending of inner seal notes fat communicates with the labyrinth wall of fat labyrinth seal, the outer seal notes fat cup communicates with the labyrinth wall of fat labyrinth seal cover.
Preferably, a bearing is arranged between the outer end of the grease labyrinth seal sleeve and the shell.
Preferably, the left end of the shaft is provided with a left sealing end cover in a sealing manner, and the right end of the shaft is provided with a right labyrinth sealing end cover in a sealing manner.
Preferably, a coupler is installed on the outer side of the right labyrinth seal end cover and fixedly arranged at the right end of the shaft through a key.
Preferably, the shell is provided with a water inlet flange and a water outlet flange, the water inlet flange and the water outlet flange are provided with a vacuum meter and a pressure gauge, and the lower parts of the water inlet flange and the water outlet flange are provided with water drainage screw holes.
Preferably, the inner walls of the grease labyrinth seal body, the grease labyrinth seal sleeve and the right labyrinth seal end cover are all in a labyrinth wall structure, and lubricating grease is stored in each labyrinth wall.
Preferably, the shaft is solid or hollow, and one end of the shaft is locked and isolated by an isolation nut.
The invention has the beneficial effects that:
the invention improves the rigidity of the shaft and adopts grease lubrication and grease sealing to ensure that the shaft system is always in a sufficient free state, and the grease labyrinth sealing body blocks the backflow channel, thereby effectively reducing backflow loss, friction loss and mechanical loss, improving the efficiency of the device, and being safe and reliable.
Drawings
Fig. 1 is a schematic structural diagram of the high-efficiency water pumping device provided by the invention.
In the figure: the device comprises a shaft 1, an isolation nut 2, a connecting key 3, an impeller 4, a labyrinth seal body 5, a shell 6, an inner seal grease injection non-return cup 7, a labyrinth seal gland 8, a coupler 9, a left seal end cover 10, a right labyrinth seal end cover 11, an outer seal grease injection cup 12, a bearing 13, a vacuum gauge 14 and a pressure gauge 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, the efficient water pumping device comprises a shell 6, wherein a shaft 1 is rotatably arranged in the middle of the inside of the shell 6, the shaft 1 is solid or hollow, one end of the shaft 1 is locked and isolated through an isolation nut 2, the shaft 1 is strong in rigidity and small in swing, basic conditions of internal and external zero leakage are established, an impeller 4 is installed on the shaft 1 through a connecting key 3, and axial balance is realized through symmetrical arrangement of blades on the impeller 4.
A grease labyrinth seal body 5 is arranged between the impeller 4 and the shell 6 in a sealing mode, the impeller 4 is rotatably arranged in the grease labyrinth seal body 5, grease labyrinth seal sleeves 8 are arranged on two sides of the shaft 1 respectively, and the grease labyrinth seal sleeves 8 are arranged in the shell 6.
An inner sealing grease injection check cup 7 and an outer sealing grease injection cup 12 are respectively arranged at two ends of the shell 6, the inner sealing grease injection check cup 7 is communicated with the labyrinth wall of the grease labyrinth seal 5, the outer sealing grease injection cup 12 is communicated with the labyrinth wall of the grease labyrinth seal 8, and a bearing 13 is arranged between the outer end of the grease labyrinth seal 8 and the shell 6.
The left end of the shaft 1 is provided with a left sealing end cover 10 in a sealing mode, the right end of the shaft 1 is provided with a right labyrinth sealing end cover 11 in a sealing mode, a coupler 9 is installed on the outer side of the right labyrinth sealing end cover 11, and the coupler 9 is fixedly arranged at the right end of the shaft 1 through keys.
The inner walls of the grease labyrinth seal 5, the grease labyrinth seal cover 8 and the right labyrinth seal end cover 11 are all in labyrinth wall structures, and lubricating grease is stored in the labyrinth walls.
The shell 6 is provided with a water inlet flange and a water outlet flange, the water inlet flange and the water outlet flange are provided with a vacuum meter 14 and a pressure meter 15, and the lower parts of the water inlet flange and the water outlet flange are provided with water drainage screw holes.
In this embodiment, grease labyrinth seal 5 makes the outside surface of impeller 4 sealed by the fat, grease lubrication is kept apart, avoid hydraulic friction loss, grease labyrinth seal 5 keeps apart the backflow passage that reveals between 4 exports of impeller and 4 entrances of impeller, avoid the volumetric loss, and the grease labyrinth seal cover 8 of both sides is at the shell left end, through grease sealing, grease lubrication, seal the axle both ends, it is sealed effectual, save the shaft power, through sealed through the fat in the junction of axle 1, the friction thermal stress source has been eradicated to grease lubrication, make the shafting be in abundant free state all the time, thereby effectual reduction axle 1's friction loss, mechanical loss, reduce the power consumption simultaneously, the flow of transmission medium has been improved, and very safe and reliable.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. High-efficient water pumping device, including casing (6), a serial communication port, middle part rotation in casing (6) is provided with axle (1), install impeller (4) through connecting key (3) on axle (1), the sealed fat labyrinth seal (5) that is provided with between impeller (4) and casing (6), and impeller (4) rotate and set up in fat labyrinth seal (5), and the both sides of axle (1) are provided with fat labyrinth seal cover (8) respectively, and fat labyrinth seal cover (8) set up in casing (6), the both ends of casing (6) are equipped with interior sealed notes grease check cup (7) and outer sealed notes fat cup (12) respectively, the labyrinth wall intercommunication of interior sealed notes fat check cup (7) and fat labyrinth seal cover (5), outer sealed notes fat cup (12) and the labyrinth wall intercommunication of fat labyrinth seal cover (8).
2. A high efficiency water pumping device according to claim 1, characterized in that a bearing (13) is installed between the outer end of the grease labyrinth gland (8) and the housing (6).
3. A high-efficiency water pumping device according to claim 1, characterized in that the left end of the shaft (1) is provided with a left sealing end cover (10) in a sealing way, and the right end of the shaft (1) is provided with a right labyrinth sealing end cover (11) in a sealing way.
4. A high-efficiency water pumping device according to claim 3, characterized in that a coupler (9) is installed on the outer side of the right labyrinth seal end cover (11), and the coupler is fixedly arranged at the right end of the shaft (1) through a key.
5. The efficient water pumping device according to claim 1, wherein the casing (6) is provided with a water inlet flange and a water outlet flange, the water inlet flange and the water outlet flange are provided with a vacuum gauge (14) and a pressure gauge (15), and the lower parts of the water inlet flange and the water outlet flange are provided with water discharging screw holes.
6. The efficient water pumping device according to claim 1, wherein the inner walls of the grease labyrinth seal body (5), the grease labyrinth gland (8) and the right labyrinth seal end cover (11) are all in a labyrinth wall structure, and lubricating grease is stored in the labyrinth walls.
7. A high efficiency pumping device according to claim 1, characterized in that the shaft (1) is solid or hollow, and one end of the shaft (1) is locked and isolated by an isolation nut (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110768557.XA CN113294378A (en) | 2021-07-07 | 2021-07-07 | High-efficiency water pumping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110768557.XA CN113294378A (en) | 2021-07-07 | 2021-07-07 | High-efficiency water pumping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113294378A true CN113294378A (en) | 2021-08-24 |
Family
ID=77330763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110768557.XA Pending CN113294378A (en) | 2021-07-07 | 2021-07-07 | High-efficiency water pumping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113294378A (en) |
-
2021
- 2021-07-07 CN CN202110768557.XA patent/CN113294378A/en active Pending
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