CN102966572A - Infinitely variable speed liquid conveying pump - Google Patents
Infinitely variable speed liquid conveying pump Download PDFInfo
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- CN102966572A CN102966572A CN2012104810460A CN201210481046A CN102966572A CN 102966572 A CN102966572 A CN 102966572A CN 2012104810460 A CN2012104810460 A CN 2012104810460A CN 201210481046 A CN201210481046 A CN 201210481046A CN 102966572 A CN102966572 A CN 102966572A
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- pump housing
- pump
- infinitely variable
- variable speed
- pressure cylinder
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Abstract
The invention relates to an infinitely variable speed liquid conveying pump, in particular to liquid conveying, and belongs to the field of liquid conveying pumps. The infinitely variable speed liquid conveying pump comprises a pump body, a motor, a first shaft coupling, a second shaft coupling, a first bearing seat, a second bearing seat, a revolving shaft, an impeller pressurizing barrel, an infinitely variable speed box and vanes, wherein a plurality of upright vanes are distributed symmetrically on an impeller; the revolving shaft is connected with an input shaft of an infinitely variable speed case through the first shaft coupling; and an output shaft of the infinitely variable speed case is connected with the motor through the second shaft coupling. The infinitely variable speed liquid conveying pump is simple, compact and reasonable in structure; infinitely variable speed can be realized, and the requirements of liquid conveying under different situations are met; the infinitely variable speed liquid conveying pump is resistant to corrosion, wear, high temperature and high pressure, and has high mechanical sealing property; and the infinitely variable speed liquid conveying pump has low failure rate and long service life.
Description
Technical field
The present invention relates to a kind of stepless change liquid delivery pump, be used for specifically that liquid carries, belong to the liquid delivery pump field.
Background technique
Liquid delivery pump is the machine that the mechanical energy of motor is converted to liquid energy.Pump is the potential energy that increases liquid, pressure energy, kinetic energy.Motor to the liquid work done, can increase, thereby make the liquid that needs quantity by pump shaft impeller rotation, is transported to the eminence of requirement or requires the place of pressure through the flow passage components of pump by the imbibition pond.
The pump that the liquid transportation art is used roughly can be divided into: centrifugal pump, magnetic drive pump, mixed flow pump, gear pump, screw pump, vane pump, suction booster, high-pressure service pump and volute pump.Liquid delivery pump is mainly by power equipment drive work such as motor, diesel engines.The working pressure of traditional liquid delivery pump generally about 3 meter per seconds, if rotational speed is inadequate, just can not reach amount and lift that liquid is carried.And the liquid that liquid delivery pump is carried mostly is industrial water, because the difference of composition, chemical property, viscosity, temperature, it is low that the working pressure of the pump that need to carry has height to have, even wants the height combination.
Therefore, need a kind of transfer pump that can carry multiple different situations liquid, satisfy the demand in the industrial production.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, thereby a kind of stepless change liquid delivery pump is provided, can select different rotating speeds to realize the conveying of different liquids, anticorrosion antiwear, mechanical seal is good; Fault is low, long service life
According to technological scheme provided by the invention, the stepless change liquid delivery pump comprises the pump housing, motor, the first coupling, the second coupling, clutch shaft bearing seat, the second bearing support, rotating shaft, impeller and adds pressure cylinder, be provided with in the pump housing and add pressure cylinder, add the pressure cylinder upper end and be connected with the pump housing by connecting body, add the pressure cylinder lower end and be fixed on pump housing bottom.Two ends, the described pump housing left and right sides connect respectively clutch shaft bearing seat and the second bearing support.Described rotating shaft is positioned at and adds pressure cylinder, and the two ends of rotating shaft are installed in clutch shaft bearing seat, the second bearing support by clutch shaft bearing, the second bearing respectively.Impeller is installed in the rotating shaft by spline, and impeller rotates with rotating shaft, it is characterized in that: also comprise infinitely variable transmission and blade, symmetrical a plurality of straight blades on the impeller.Rotating shaft is connected with the stepless speed variator input shaft by the first coupling, and the stepless speed variator output shaft connects motor by the second coupling.
The described pump housing one side is provided with the inlet opening, and pump housing upper end is provided with delivery outlet.
Described pump housing lower end connects pump housing pedestal.
Be provided with stiffening rib between described pump housing pedestal and the pump housing.
Described blade is six, and the angle between per two blades is 60 °.
Described blade outer end is arc surface.
Described blade and add and leave the gap between the pressure cylinder.
The described pressure cylinder that adds is provided with water intake near inlet opening one side, is provided with water outlet near delivery outlet one side.
Compared with the prior art the present invention has the following advantages:
The present invention is simple, compact and reasonable for structure; Can realize stepless change, satisfy the needs that different situations liquid is carried; Anticorrosion antiwear, high-temperature-resistant high-pressure-resistant, mechanical seal is good; Fault is low, long service life.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is that the present invention partly cuts open figure.
Description of reference numerals: the 1-pump housing, 1-1-inlet opening, 1-2-delivery outlet, 2-infinitely variable transmission, 3-motor, 4-the first coupling, 5-the second coupling, 6-clutch shaft bearing seat, 7-the second bearing support, 8-rotating shaft, 9-impeller, 10-blade, 11-add pressure cylinder, 11-1-water intake, 11-2-water outlet, 12-connecting body, 13-pump housing pedestal, 14-stiffening rib.
Embodiment
Following the present invention is further described in connection with the embodiment in the accompanying drawing:
Shown in Fig. 1 ~ 2, the present invention includes the pump housing 1, infinitely variable transmission 2, motor 3, the first coupling 4, the second coupling 5, clutch shaft bearing seat 6, the second bearing support 7, rotating shaft 8, impeller 9, blade 10 and add pressure cylinder 11.
Be provided with in the pump housing 1 and add pressure cylinder 11, add pressure cylinder 11 upper ends and be connected with the pump housing 1 by connecting body 12, add pressure cylinder 11 lower ends and be fixed on the pump housing 1 bottom.Two ends, the described pump housing 1 left and right sides connect respectively clutch shaft bearing seat 6 and the second bearing support 7.
The described pump housing 1 one sides are provided with inlet opening 1-1, and the pump housing 1 upper end is provided with delivery outlet 1-2, and liquid enters in the pump housing 1 by inlet opening 1-1, flow out the pump housing 1 by delivery outlet 1-2.The pump housing 1 lower end connects pump housing pedestal 13, is provided with stiffening rib 14 between pump housing pedestal 13 and the pump housing 1.
Described rotating shaft 8 is positioned at and adds pressure cylinder 11, and the two ends of rotating shaft 8 are installed in clutch shaft bearing seat 6, the second bearing support 7 by clutch shaft bearing, the second bearing respectively, clutch shaft bearing seat 6, the second bearing support 7 interior interpolation high temperature resistant luboils.Impeller 9 is installed in the rotating shaft 8 by spline, and impeller 9 rotates with rotating shaft 8.Symmetrical six straight blades 10 on the described impeller 9, the angle between per two blades 10 is 60 °, blade 10 outer ends are arc surface.Described blade 10 and add between the pressure cylinder 11 and leave the gap.
The described pressure cylinder 11 that adds is provided with water intake 11-1 near inlet opening 1-1 one side, is provided with water outlet 11-2 near delivery outlet 1-2 one side.
Described rotating shaft 8 is connected with stepless speed variator 2 input shafts by the first coupling 4, and stepless speed variator 2 output shafts connect motor 3 by the second coupling 5.
Described stepless speed variator 2 rotating speeds can reach 350 ~ 2700 rev/mins, select suitable rotating speed according to the situation of different liquids.Motor 3 adopts three phase electric machine.
The present invention adopts straight blade 10 to replace S type helical blade in the past.Before work, there is air in the pump housing, must in the pump housing, fill with water with Bas Discharged, S type helical blade could work.Straight blade 10 has then been avoided this problem, the work of can directly starting shooting.When motor 3 rotates by the rotating shaft 8 in the stepless speed variator 2 drive pump housings 1, blade 10 will add rapidly pressure cylinder 11 interior Bas Dischargeds, and the gap formation moisture film that blade 10 adds between the pressure cylinder 11 has thoroughly shielded air, and the liquid of carrying simultaneously can not reflux.
Claims (8)
1. stepless change liquid delivery pump, comprise the pump housing (1), motor (3), the first coupling (4), the second coupling (5), clutch shaft bearing seat (6), the second bearing support (7), rotating shaft (8), impeller (9) and add pressure cylinder (11), be provided with in the pump housing (1) and add pressure cylinder (11), add pressure cylinder (11) upper end and be connected with the pump housing (1) by connecting body (12), add pressure cylinder (11) lower end and be fixed on the pump housing (1) bottom; The described pump housing (1) two ends, the left and right sides connect respectively clutch shaft bearing seat (6) and the second bearing support (7); Described rotating shaft (8) is positioned at and adds pressure cylinder (11), and the two ends of rotating shaft (8) are installed in clutch shaft bearing seat (6), the second bearing support (7) by clutch shaft bearing, the second bearing respectively; Impeller (9) is installed in the rotating shaft (8) by spline, and impeller (9) rotates with rotating shaft (8), it is characterized in that: also comprise infinitely variable transmission (2) and blade (10), the upper symmetrical a plurality of straight blades (10) of impeller (9); Rotating shaft (8) is connected with stepless speed variator (2) input shaft by the first coupling (4), and stepless speed variator (2) output shaft connects motor (3) by the second coupling (5).
2. stepless change liquid delivery pump as claimed in claim 1, it is characterized in that: the described pump housing (1) one side is provided with inlet opening (1-1), and the pump housing (1) upper end is provided with delivery outlet (1-2).
3. stepless change liquid delivery pump as claimed in claim 1 is characterized in that: the described pump housing (1) lower end connection pump housing pedestal (13).
4. stepless change liquid delivery pump as claimed in claim 3 is characterized in that: be provided with stiffening rib (14) between described pump housing pedestal (13) and the pump housing (1).
5. stepless change liquid delivery pump as claimed in claim 1, it is characterized in that: described blade (10) is six, the angle between per two blades (10) is 60 °.
6. stepless change liquid delivery pump as claimed in claim 1, it is characterized in that: described blade (10) outer end is arc surface.
7. stepless change liquid delivery pump as claimed in claim 1 is characterized in that: described blade (10) and add between the pressure cylinder (11) and leave the gap.
8. stepless change liquid delivery pump as claimed in claim 1 is characterized in that: the described pressure cylinder (11) that adds is provided with water intake (11-1) near inlet opening (1-1) side, is provided with water outlet (11-2) near delivery outlet (1-2) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210481046.0A CN102966572B (en) | 2012-11-22 | 2012-11-22 | Infinitely variable speed liquid conveying pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210481046.0A CN102966572B (en) | 2012-11-22 | 2012-11-22 | Infinitely variable speed liquid conveying pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102966572A true CN102966572A (en) | 2013-03-13 |
| CN102966572B CN102966572B (en) | 2015-04-01 |
Family
ID=47796931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210481046.0A Active CN102966572B (en) | 2012-11-22 | 2012-11-22 | Infinitely variable speed liquid conveying pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN102966572B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859632A (en) * | 2017-11-03 | 2018-03-30 | 安徽南方化工泵业有限公司 | A kind of axial force balance magnetic drive pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003116314A (en) * | 2001-10-17 | 2003-04-22 | Chikusui Canycom Inc | Mower |
| GB2404220A (en) * | 2003-07-23 | 2005-01-26 | Visteon Global Tech Inc | variable speed mechanically-driven vehicular water pump with supplementary electrical drive |
| US20070154320A1 (en) * | 2004-08-26 | 2007-07-05 | Pentair Water Pool And Spa, Inc. | Flow control |
| CN202451433U (en) * | 2012-01-10 | 2012-09-26 | 张瑞军 | Submersible pump provided with gearbox |
| CN202545273U (en) * | 2011-12-30 | 2012-11-21 | 芜湖长江泵业有限公司 | Horizontal speed-change centrifugal pump |
-
2012
- 2012-11-22 CN CN201210481046.0A patent/CN102966572B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003116314A (en) * | 2001-10-17 | 2003-04-22 | Chikusui Canycom Inc | Mower |
| GB2404220A (en) * | 2003-07-23 | 2005-01-26 | Visteon Global Tech Inc | variable speed mechanically-driven vehicular water pump with supplementary electrical drive |
| US20070154320A1 (en) * | 2004-08-26 | 2007-07-05 | Pentair Water Pool And Spa, Inc. | Flow control |
| CN202545273U (en) * | 2011-12-30 | 2012-11-21 | 芜湖长江泵业有限公司 | Horizontal speed-change centrifugal pump |
| CN202451433U (en) * | 2012-01-10 | 2012-09-26 | 张瑞军 | Submersible pump provided with gearbox |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859632A (en) * | 2017-11-03 | 2018-03-30 | 安徽南方化工泵业有限公司 | A kind of axial force balance magnetic drive pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102966572B (en) | 2015-04-01 |
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