CN112576516A - Full tubular pump with novel transmission structure - Google Patents
Full tubular pump with novel transmission structure Download PDFInfo
- Publication number
- CN112576516A CN112576516A CN202011463954.8A CN202011463954A CN112576516A CN 112576516 A CN112576516 A CN 112576516A CN 202011463954 A CN202011463954 A CN 202011463954A CN 112576516 A CN112576516 A CN 112576516A
- Authority
- CN
- China
- Prior art keywords
- rotor
- ring
- static ring
- water pump
- impeller
- 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
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D5/00—Pumps with circumferential or transverse flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
-
- 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
-
- 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
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A full tubular pump with a novel transmission structure belongs to the technical field of hydraulic engineering equipment and is formed by connecting a water guide cone, a rotor, a sealing assembly, a guide vane, a hub, an impeller and a bearing; impeller and rotor form an overall structure, external motor is rotatory through taking the transmission drive rotor, the rotor drives the rotatory power of doing of impeller then, be equipped with seal assembly between rotor and the both sides water pump pipeline, compensate the big and poor defect of sealed effect of traditional rubber pad sealed frictional resistance, water pump impeller rotates no longer by built-in motor drive, the pipeline wall has been avoided destroying, the overall structure integrality of device has been improved, the runner can adopt the straight tube type, needn't make return bend and shaft type, the water flow state is even straight, the velocity of flow degree of consistency improves, hydraulic loss reduces, effectively improve pump unit efficiency, the wheel hub diameter reduces by a wide margin, the working area increase of blade, effectively improve pump unit's efficiency.
Description
Technical Field
The invention belongs to the technical field of hydraulic engineering equipment, relates to a tubular pump, and particularly relates to a full tubular pump with a novel transmission structure.
Background
The water pump is a hydraulic machine for transferring energy, the mechanical energy of the motor is converted into potential energy and kinetic energy of water, and the energy is transferred between the motor and the impeller of the water pump mainly through a transmission shaft. Due to the volume limitation of the motor, the motor is usually arranged outside the flow channel, and the transmission shaft needs to penetrate through the flow channel to be connected with the impeller. At present, axial flow pumps, shaft type tubular pumps and bulb type tubular pumps which are mainstream are all of water pump structural types with external motors, however, flow channels in the structural types are not straight and straight, so that the performance of a unit and the flow state of water flow are greatly influenced, the sealing difficulty of the contact surface of a transmission shaft and the side wall of the flow channel is high, and leakage is easy to occur.
At present widely used full tubular pump is through installing the motor on the rotor, and the round stator is installed again to the rotor outside, and rotor and impeller are a whole, and the rotor rotates through the electromagnetism principle after the circular telegram to drive the impeller and do work, but this kind of drive mode realizes the degree of difficulty great, and the motor is difficult to completely with water isolated, leads to motor trouble intaking easily. Therefore, the research on the full-through flow pump without the built-in pump shaft has important significance for improving the safety and the operation stability of the water pump unit.
Disclosure of Invention
The invention aims to provide a full tubular pump with a novel transmission structure aiming at the defects in the prior art, and the full tubular pump can avoid damaging the wall surface of a pipeline, improve the integral structural integrity of the device, improve the flow channel type, improve the flow velocity uniformity, reduce the hydraulic loss, effectively improve the efficiency of a pump device, make up the defects of large sealing friction resistance and poor sealing effect of the traditional rubber pad and effectively improve the stability of a water pump unit by changing the transmission structure of the full tubular pump.
The technical scheme of the invention is as follows: a full tubular pump with a novel transmission structure comprises a water pump pipeline, a hub arranged in the water pump pipeline, a water guide cone arranged at the front end of the hub and a guide vane arranged at the rear end of the hub; the method is characterized in that: the water pump pipeline is characterized in that a section is arranged in the middle of the water pump pipeline between the water guide cone and the guide vane, a rotor is arranged at the section, an impeller is fixedly connected to the inner wall of the rotor, a transmission shaft is fixedly arranged at the center of the impeller, two ends of the transmission shaft are rotatably connected with hubs at two sides through rolling bearings, gear teeth are arranged on the outer wall of the rotor, a sealing assembly and a thrust bearing are sequentially connected between two end faces of the rotor and the section of the water pump pipeline from inside to outside, and the sealing assembly is composed of a moving ring, a left stationary ring, a right stationary ring, a corrugated pipe and a spring; the rotating ring is sleeved on the rotor, the left static ring is arranged on the right side face of the rotating ring, the right static ring is sleeved on the water pump pipeline, the corrugated pipe is connected between the left static ring and the right static ring, the spring is arranged outside the left static ring, the corrugated pipe and the right static ring, and the left static ring is tightly attached to the rotating ring under the action of the spring.
The rolling bearing is composed of an inner ring, an outer ring and rollers, a first key groove is formed in the inner wall of the inner ring, a second key groove is formed in the outer wall of the outer ring, the first key groove and the transmission shaft form circumferential fixing through keys, and the second key groove and the hubs on the two sides form circumferential fixing through keys.
The opposite surfaces of the left static ring and the right static ring are respectively provided with a flange, one end of the spring is sleeved on the flange of the left static ring, and the other end of the spring is sleeved on the flange of the right static ring.
The number of the gear teeth is not less than 4, and the gear teeth are meshed with an external belt.
The sealing assemblies are arranged on the left side and the right side of the rotor respectively, wherein the movable ring and the inner wall of the rotor form interference tight fit connection, and the right stationary ring and the water pump pipelines at the two ends form interference tight fit connection.
The invention has the beneficial effects that: the invention provides a full tubular pump with a novel transmission structure, which is formed by connecting a water guide cone, a rotor, a sealing assembly, a guide vane, a hub, an impeller and a bearing; impeller and rotor form an overall structure, external motor is rotatory through taking the transmission drive rotor, the rotor drives the rotatory power of doing of impeller then, be equipped with seal assembly between rotor and the both sides water pump pipeline, compensate the big and poor defect of sealed effect of traditional rubber pad sealed frictional resistance, water pump impeller rotates no longer by built-in motor drive, the pipeline wall has been avoided destroying, the overall structure integrality of device has been improved, the runner can adopt the straight tube type, needn't make return bend and shaft type, the water flow state is even straight, the velocity of flow degree of consistency improves, hydraulic loss reduces, effectively improve pump unit efficiency, the wheel hub diameter reduces by a wide margin, the working area increase of blade, effectively improve pump unit's efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the structure of the rolling bearing of the present invention.
Fig. 3 is a schematic structural view of the sealing assembly of the present invention.
In the figure: the water pump comprises a water pump pipeline 1, a thrust bearing 2, a rolling bearing 3, an outer ring 3-1, a second key groove 3-2, an inner ring 3-3, a first key groove 3-4, a roller 3-5, an impeller 4, a rotor 5, a sealing assembly 6, a moving ring 6-1, a left static ring 6-2, a corrugated pipe 6-3, a spring 6-4, a right static ring 6-5, a guide vane 7, a water guide cone 8, a hub 9, gear teeth 10 and a transmission shaft 11.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1-3, a full tubular pump with a novel transmission structure comprises a water pump pipeline 1, a hub 9 arranged inside the water pump pipeline 1, a water guide cone 8 arranged at the front end of the hub 9, and a guide vane 7 arranged at the rear end of the hub 9; the middle part of the water pump pipeline 1 between the water guide cone 8 and the guide vane 7 is provided with a section, the section is provided with a rotor 5, the inner wall of the rotor 5 is fixedly connected with an impeller 4, the center of the impeller 4 is fixedly provided with a transmission shaft 11, two ends of the transmission shaft 11 are rotationally connected with wheel hubs 9 at two sides through rolling bearings 3, the outer wall of the rotor 5 is provided with wheel teeth 10, two end faces of the rotor 5 and the section of the water pump pipeline 1 are sequentially connected with a sealing component 6 and a thrust bearing 2 from inside to outside, and the sealing component 6 consists of a movable ring 6-1, a left stationary ring 6-2, a right stationary ring 6-5, a corrugated pipe 6-3 and a spring 6-4; the rotor 5 is sleeved with the movable ring 6-1, the left stationary ring 6-2 is arranged on the right side face of the movable ring 6-1, the right stationary ring 6-5 is sleeved on the water pump pipeline 1, the corrugated pipe 6-3 is connected between the left stationary ring 6-2 and the right stationary ring 6-5, the spring 6-4 is arranged outside the left stationary ring 6-2, the corrugated pipe 6-3 and the right stationary ring 6-5, and the left stationary ring 6-2 is tightly attached to the movable ring 6-1 under the action of the spring 6-4.
As shown in fig. 1-3, a full tubular pump with a novel transmission structure, a rolling bearing 3 is composed of an inner ring 3-3, an outer ring 3-1 and a roller 3-5, a first key groove 3-4 is arranged on the inner wall of the inner ring 3-3, a second key groove 3-2 is arranged on the outer wall of the outer ring 3-1, the first key groove 3-4 and a transmission shaft 11 form circumferential fixation through a key, and the second key groove 3-2 and hubs 9 on two sides form circumferential fixation through keys; flanges are arranged on the opposite surfaces of the left static ring 6-2 and the right static ring 6-5, one end of the spring 6-4 is sleeved on the flange of the left static ring 6-2, and the other end is sleeved on the flange of the right static ring 6-5; the number of the gear teeth 10 is not less than 4, and the gear teeth 10 are meshed and connected with an external belt; the sealing components 6 are divided into a left group and a right group, and are respectively arranged on the left side and the right side of the rotor 5, wherein the movable ring 6-1 is in interference tight fit connection with the inner wall of the rotor 5, and the right stationary ring 6-5 is in interference tight fit connection with the water pump pipelines 1 at the two ends.
As shown in fig. 1-3, the working principle of the whole through-flow pump with a novel transmission structure is as follows: the impeller and the rotor form a whole, the external motor drives the rotor to rotate through belt transmission, and the rotor drives the impeller to rotate to do work. The impeller hub and the inlet and outlet guide impeller hub are supported by a rolling bearing, and the contact surfaces of the hub and the rolling bearing are connected by a key to prevent mutual dislocation. The movable ring is contacted with the side surface of the rotor, the static ring is contacted with the side wall of the pipeline, and the movable ring surface and the static ring surface are kept attached under the action of certain pressure to achieve the effects of sealing and leakage resistance. Thrust bearings are arranged between the rotors on the two sides and the pipeline wall, and axial thrust generated when the impeller rotates is balanced.
Claims (5)
1. A full tubular pump with a novel transmission structure comprises a water pump pipeline (1), a hub (9) arranged inside the water pump pipeline (1), a water guide cone (8) arranged at the front end of the hub (9), and a guide vane (7) arranged at the rear end of the hub (9); the method is characterized in that: the middle part of the water pump pipeline (1) between the water guide cone (8) and the guide vane (7) is provided with a section, a rotor (5) is arranged at the section, an impeller (4) is fixedly connected on the inner wall of the rotor (5), a transmission shaft (11) is tightly fixed at the center of the impeller (4), two ends of the transmission shaft (11) are rotationally connected with the hubs (9) at two sides through rolling bearings (3), gear teeth (10) are arranged on the outer wall of the rotor (5), a sealing component (6) and a thrust bearing (2) are sequentially connected between the two end faces of the rotor (5) and the section of the water pump pipeline (1) from inside to outside, the sealing assembly (6) consists of a movable ring (6-1), a left static ring (6-2), a right static ring (6-5), a corrugated pipe (6-3) and a spring (6-4); the rotor is characterized in that the rotor (5) is sleeved with the movable ring (6-1), the left static ring (6-2) is arranged on the right side face of the movable ring (6-1), the right static ring (6-5) is sleeved on the water pump pipeline (1), a corrugated pipe (6-3) is connected between the left static ring (6-2) and the right static ring (6-5), the spring (6-4) is arranged outside the left static ring (6-2), the corrugated pipe (6-3) and the right static ring (6-5), and the left static ring (6-2) is tightly attached to the movable ring (6-1) under the action of the spring (6-4).
2. The full tubular pump with a novel transmission structure as claimed in claim 1, wherein: the rolling bearing (3) is composed of an inner ring (3-3), an outer ring (3-1) and rollers (3-5), a first key groove (3-4) is formed in the inner wall of the inner ring (3-3), a second key groove (3-2) is formed in the outer wall of the outer ring (3-1), the first key groove (3-4) and the transmission shaft (11) form circumferential fixation through keys, and the second key groove (3-2) and the wheel hubs (9) on the two sides form circumferential fixation through keys.
3. The full tubular pump with a novel transmission structure as claimed in claim 1, wherein: the opposite surfaces of the left static ring (6-2) and the right static ring (6-5) are respectively provided with a flange, one end of the spring (6-4) is sleeved on the flange of the left static ring (6-2), and the other end is sleeved on the flange of the right static ring (6-5).
4. The full tubular pump with a novel transmission structure as claimed in claim 1, wherein: the number of the gear teeth (10) is not less than 4, and the gear teeth (10) are meshed and connected with an external belt.
5. The full tubular pump with a novel transmission structure as claimed in claim 1, wherein: the sealing assemblies (6) are arranged on the left side and the right side of the rotor (5) respectively, wherein the moving ring (6-1) is in interference tight fit connection with the inner wall of the rotor (5), and the right static ring (6-5) is in interference tight fit connection with the water pump pipelines (1) at the two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011463954.8A CN112576516A (en) | 2020-12-14 | 2020-12-14 | Full tubular pump with novel transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011463954.8A CN112576516A (en) | 2020-12-14 | 2020-12-14 | Full tubular pump with novel transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112576516A true CN112576516A (en) | 2021-03-30 |
Family
ID=75132275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011463954.8A Pending CN112576516A (en) | 2020-12-14 | 2020-12-14 | Full tubular pump with novel transmission structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112576516A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417858A (en) * | 2021-08-04 | 2021-09-21 | 合肥恒大江海泵业股份有限公司 | Impeller built-in submersible tubular pump with high-thrust water-lubricated bearing structure |
| CN115324901A (en) * | 2022-09-19 | 2022-11-11 | 扬州大学 | Bidirectional full tubular pump device with novel vertical shaft structure and mounting method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09158828A (en) * | 1995-12-08 | 1997-06-17 | Taisan Kogyo Kk | Electromagnetic pump for refrigerant liquid |
| CN2336129Y (en) * | 1998-07-16 | 1999-09-01 | 马德江 | Rotary shaft |
| CN202597205U (en) * | 2012-06-13 | 2012-12-12 | 浙江三工汽车零部件有限公司 | Integrated water seal automobile water pump |
| CN205841222U (en) * | 2016-07-25 | 2016-12-28 | 江苏大学 | A kind of fish close friend's axle sky axial-flow pump |
| CN209621706U (en) * | 2019-03-29 | 2019-11-12 | 王智勇 | Impeller seals mechanism and centrifugal pump |
| CN214170853U (en) * | 2020-12-14 | 2021-09-10 | 扬州大学 | Full tubular pump with novel transmission structure |
-
2020
- 2020-12-14 CN CN202011463954.8A patent/CN112576516A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09158828A (en) * | 1995-12-08 | 1997-06-17 | Taisan Kogyo Kk | Electromagnetic pump for refrigerant liquid |
| CN2336129Y (en) * | 1998-07-16 | 1999-09-01 | 马德江 | Rotary shaft |
| CN202597205U (en) * | 2012-06-13 | 2012-12-12 | 浙江三工汽车零部件有限公司 | Integrated water seal automobile water pump |
| CN205841222U (en) * | 2016-07-25 | 2016-12-28 | 江苏大学 | A kind of fish close friend's axle sky axial-flow pump |
| CN209621706U (en) * | 2019-03-29 | 2019-11-12 | 王智勇 | Impeller seals mechanism and centrifugal pump |
| CN214170853U (en) * | 2020-12-14 | 2021-09-10 | 扬州大学 | Full tubular pump with novel transmission structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417858A (en) * | 2021-08-04 | 2021-09-21 | 合肥恒大江海泵业股份有限公司 | Impeller built-in submersible tubular pump with high-thrust water-lubricated bearing structure |
| CN115324901A (en) * | 2022-09-19 | 2022-11-11 | 扬州大学 | Bidirectional full tubular pump device with novel vertical shaft structure and mounting method thereof |
| CN115324901B (en) * | 2022-09-19 | 2024-05-17 | 扬州大学 | Novel shaft structure bidirectional full-through-flow pump device and installation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214170853U (en) | Full tubular pump with novel transmission structure | |
| CN112576516A (en) | Full tubular pump with novel transmission structure | |
| CN110486217B (en) | Disrotatory bidirectional axial flow water pump turbine | |
| CN116398441A (en) | Double-flow double-lift rotary jet pump | |
| CN107013399B (en) | Fixed-blade tubular turbine adopting gear transmission | |
| CN105697366A (en) | Blade type sea water pump | |
| CN214577737U (en) | Novel sectional assembly type shaft tubular pump device | |
| CN206054312U (en) | High-efficient energy-saving centrifugal pump | |
| CN109751246B (en) | Full-through-flow pump | |
| CN108869379A (en) | A kind of centrifugal pump seal ring with axial diversion blade | |
| CN200993106Y (en) | Pipeline circulating pump | |
| CN114526243B (en) | Hub-driven fluid machine | |
| CN215672846U (en) | Reverse suction section pressure relief sealing structure of self-balancing multistage centrifugal pump | |
| CN210422866U (en) | Volumetric micro water turbine and fixed mixing ratio device based on same | |
| CN210317799U (en) | Energy-saving water pump | |
| CN114893445B (en) | Static guide vane mechanism in high-speed centrifugal pump | |
| CN112855553B (en) | Novel sectional assembly type shaft tubular pump device | |
| CN115324901B (en) | Novel shaft structure bidirectional full-through-flow pump device and installation method thereof | |
| CN111396197A (en) | Air separator of gas turbine | |
| CN112747120A (en) | Seal structure convenient to dismouting hydrogen circulating pump | |
| CN201953674U (en) | Micro vacuum hydraulic pump | |
| CN111623100A (en) | Single-cavity speed-regulating type hydraulic coupler | |
| CN215110366U (en) | Helical tooth double-turbine hydraulic torque converter assembly | |
| CN215333224U (en) | Hollow shaft radial plunger type hydraulic motor | |
| CN219691828U (en) | Rotary spraying pump structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |