CN201574941U - Hollow single-screw pump - Google Patents
Hollow single-screw pump Download PDFInfo
- Publication number
- CN201574941U CN201574941U CN 200920211947 CN200920211947U CN201574941U CN 201574941 U CN201574941 U CN 201574941U CN 200920211947 CN200920211947 CN 200920211947 CN 200920211947 U CN200920211947 U CN 200920211947U CN 201574941 U CN201574941 U CN 201574941U
- Authority
- CN
- China
- Prior art keywords
- transmission shaft
- shaft
- screw
- hollow
- rotor
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a hollow single-screw pump, which comprises an output body, O-shaped sealing rings, a retaining sleeve, a rotor joint, a hollow screw, a stator, a universal shaft, a transmission shaft, a shaft seal structure, a bearing part and a prime motor part, wherein the O-shaped sealing rings, the retaining sleeve and the rotor joint are positioned inside the output body; the universal shaft is connected with the hollow screw by the rotor joint; two pairs of O-shaped sealing rings are arranged between the rotor joint and the retaining sleeve; the hollow screw is arranged inside the stator; the universal shaft is connected with the transmission shaft; the transmission shaft is connected with the prime motor part by at least one coupling; and the shaft seal structure and the bearing part are arranged between the transmission shaft and the prime motor part. The hollow single-screw of the utility model can be suitable for medium wear and has the advantages of low cost, high production efficiency and long service life.
Description
Technical field
The utility model relates to the helical rotor pump that occasions such as sewage treatment, Coal Chemical Industry, paper mill, oil field, chemical fibre factory, sugar refinery, brewery need be carried high viscosity, high concentration, fibre-bearing, particle or emulsus medium, particularly a kind of hollow helical rotor pump.
Background technique
Helical rotor pump also claims Mono pump, and nineteen thirty is by French engineer Lei Nie-Mo Yinuo invention.It is a kind of interior engages and seals formula displacement pump, has compact structure, and radial dimension is little, pressure and stability of flow, pulsating movement free, noise is low, and self-priming performance is strong, stir advantages such as little during fed sheet of a media, helical rotor pump is because of its good performance, in recent years in the application area of China also in rapid expansion.
Present domestic helical rotor pump all adopts solid screw, and manufacturing efficiency is lower, and cost of raw material height and life-span are short, and screw rod volumetric efficiency after being worn descends very fast.
The model utility content
Technical problem to be solved in the utility model provides a kind of hollow helical rotor pump, and it can adapt to the medium wearing and tearing, and cost is low, manufacturing efficiency is high and long service life.
For solveing the technical problem, the utility model provides a kind of hollow helical rotor pump, it is characterized in that, it comprises the output body, the O RunddichtringO, interstage sleeve, rotor connection, cored screw, stator, cardan shaft, transmission shaft, axle sealing structure, bearing part and mover member, the O RunddichtringO, interstage sleeve, rotor connection is positioned at output body inside, cardan shaft is connected with rotor connection with cored screw, between rotor connection and interstage sleeve, be provided with two secondary O RunddichtringOs, cored screw is installed in stator interior, cardan shaft is connected with transmission shaft, transmission shaft is connected by at least one coupling with mover member, is provided with axle sealing structure and bearing part between transmission shaft and mover member.
Positive progressive effect of the present utility model is:
A, screw rod adopt hollow-core construction, reduce the cost and make things convenient for production and processing;
B, cored screw surface prevents the decreased performance that the screw rod wearing and tearing cause through special Wear-resistant Treatment, improves product reliability, and prolongs 2～3 times of unit working lifes;
C, rotor connection place are provided with the twice static seal, tightly shut medium infiltrates spindle nose from the connecting pin two ends possibility, have fully guaranteed the reliability of cored screw inside with outside seal;
D, axial primary seal design can be selected packing seal or mechanical seal for use according to actual conditions.
Description of drawings
Fig. 1 is the structural representation of the hollow helical rotor pump of the utility model.
Fig. 2 connects between the rotor connection, interstage sleeve, O RunddichtringO, cored screw in the utility model and the structural representation of sealing.
Embodiment
Lift a preferred embodiment below, and come the clearer the utility model that intactly illustrates in conjunction with the accompanying drawings.
Hollow helical rotor pump of the present utility model is a kind of interior engages and seals formula displacement pump, as shown in Figure 1, hollow helical rotor pump of the present utility model comprises output body 1, O RunddichtringO 2, interstage sleeve 3, rotor connection 4, cored screw 5, stator 6, cardan shaft 7, transmission shaft 8, axle sealing structure 9, bearing part 10 and mover member, O RunddichtringO 2, interstage sleeve 3, rotor connection 4 are positioned at output body 1 inside, and the outer surface of cored screw 5 is through special wear-resistant processing.Cardan shaft 7 is connected with cored screw 5 usefulness rotor connection 4; For guaranteeing the sealing of high voltage terminal and low voltage terminal, between rotor connection 4 and interstage sleeve 3, be provided with two secondary O RunddichtringOs 2; Cored screw 5 is installed in stator 6 inside; Cardan shaft 7 is connected with transmission shaft 8, and transmission shaft 8 is by cardan shaft 7 and cored screw 5 rotation work together; Transmission shaft 8 is connected by coupling with mover member, realizes gearing under the drive of mover member, is provided with axle sealing structure 9 and bearing part 10 between transmission shaft 8 and mover member, and bearing part 10 plays a part to support and be stressed.Axle sealing structure 9 can be selected packing seal or mechanical seal according to actual needs for use.
As shown in Figure 2, cored screw 5 is connected with interstage sleeve 3 by rotor connection 4, and under the effect of cardan shaft 7 in stator rotary work; Rotor connection 4 pin-and-hole radially arranged, its sealing is worked by two secondary O RunddichtringOs 2, guarantees can not produce pressure release because of cored screw in the working procedure.
The working procedure of the hollow helical rotor pump of the utility model is as follows:
After the correct installation of hollow helical rotor pump, need guarantee that bearing support is lubricated moderate, it is no abnormal to guarantee that rotor and pipeline connect; Point starts, and checks whether turning to of hollow helical rotor pump be correct;
After preparatory work is ready, system's inlet/outlet pressure regulator valve is all opened, safety valve is transferred to closed condition, starts unit, boosts to the authorized pressure value gradually; During the operation of pump group, the hollow cored screw 5 of eccentric single head spiral is the stator 6 in twin-feed spiral hole in and its engagement, drive unit drives the rotors rotation by transmission shaft 8 and cardan shaft 7 and rotor connection 4 and makes planet gyration around axis stator, moves fed sheet of a media with the Seal cage of stator vestibule and rotor helical-screw engagement back formation.When the working liquid body of Seal cage from suction port when exhaust port is made forward and is carried, because exhaust port transfusion supercharging is dammed in outlet.Highly pressurised liquid refluxes to the suction port low pressure area, produces pressure drop owing to dam by closed chamber the time, thereby reduces capacity of reflux.Capacity of reflux is no more than specified value, and a plurality of closed chamber will make the working liquid body of exhaust port obtain higher supercharging.
Though more than described embodiment of the present utility model, but those skilled in the art is to be understood that, these only illustrate, and under the prerequisite that does not deviate from principle of the present utility model and essence, can make numerous variations or modification to these mode of executions.Therefore, protection domain of the present utility model is limited by appended claims.
Claims (1)
1. hollow helical rotor pump, it is characterized in that, it comprises the output body, the O RunddichtringO, interstage sleeve, rotor connection, cored screw, stator, cardan shaft, transmission shaft, axle sealing structure, bearing part and mover member, the O RunddichtringO, interstage sleeve, rotor connection is positioned at output body inside, cardan shaft is connected with rotor connection with cored screw, between rotor connection and interstage sleeve, be provided with two secondary O RunddichtringOs, cored screw is installed in stator interior, cardan shaft is connected with transmission shaft, transmission shaft is connected by at least one coupling with mover member, is provided with axle sealing structure and bearing part between transmission shaft and mover member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920211947 CN201574941U (en) | 2009-11-06 | 2009-11-06 | Hollow single-screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920211947 CN201574941U (en) | 2009-11-06 | 2009-11-06 | Hollow single-screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201574941U true CN201574941U (en) | 2010-09-08 |
Family
ID=42694814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920211947 Expired - Fee Related CN201574941U (en) | 2009-11-06 | 2009-11-06 | Hollow single-screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201574941U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790892A (en) * | 2015-04-21 | 2015-07-22 | 中国石油集团渤海钻探工程有限公司 | Automatic throttle pipe collector filtering device for pressure control drilling |
-
2009
- 2009-11-06 CN CN 200920211947 patent/CN201574941U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790892A (en) * | 2015-04-21 | 2015-07-22 | 中国石油集团渤海钻探工程有限公司 | Automatic throttle pipe collector filtering device for pressure control drilling |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105626540B (en) | Sectional multi-stage centrifugal pump | |
| CN109469624B (en) | High-pressure high-rotation-speed cylindrical centrifugal pump | |
| CN201574941U (en) | Hollow single-screw pump | |
| CN106594009A (en) | External drive rotor type energy recycling device | |
| CN205243860U (en) | Double suction helico centrifugal pump | |
| CN203394792U (en) | Energy-saving multistage deep well submersible and centrifugal pump | |
| CN1657785A (en) | Double-runner centrifugal pump for transfering submarine mineral substance | |
| CN106762803A (en) | A kind of high-performance petrochemical industry centrifugal pump | |
| CN108412776B (en) | Multistage deep sea mixed transportation pump adopting shaft sleeve structure | |
| RU74975U1 (en) | CENTRIFUGAL PUMP | |
| CN206495786U (en) | A kind of low-flow high-lift centrifugal multistage pump multiple centrifugal pump | |
| CN209294064U (en) | A kind of high revolving speed cartridge type centrifugal pump of high pressure | |
| CN201521448U (en) | Easily disassembled pipeline centrifugal pump | |
| CN107725250A (en) | A kind of integral type hydraulic turbine | |
| CA2282231C (en) | Modular downhole multiphase pump | |
| CN201546954U (en) | Surface driving oil-submersible single-screw pump set | |
| RU2295023C1 (en) | Turbine screw downhole motor | |
| CN213235428U (en) | Balanced type novel single-screw pump capable of intermittently pressing oil | |
| CN213235426U (en) | Novel single-screw pump of intermittent type nature fuel feeding balanced type | |
| CN202468436U (en) | Dual-seal centrifugal pump | |
| CN205089209U (en) | Screw rod drilling tool rotor assembly | |
| CN213235427U (en) | Novel single-screw pump of balanced type of oil absorption of intermittent type nature | |
| CN105402156B (en) | A kind of external axial thrust balancing devices and its installation method | |
| CN107524605A (en) | A kind of anticorrosive anti-wear chemical centrifugal pump | |
| CN107939688A (en) | Twin-stage self-balanced multiple-stage centrifugal pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100908 Termination date: 20111106 |