CN103104540A - Environment-friendly all-adjusted vane pump - Google Patents
Environment-friendly all-adjusted vane pump Download PDFInfo
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- CN103104540A CN103104540A CN2013100753336A CN201310075333A CN103104540A CN 103104540 A CN103104540 A CN 103104540A CN 2013100753336 A CN2013100753336 A CN 2013100753336A CN 201310075333 A CN201310075333 A CN 201310075333A CN 103104540 A CN103104540 A CN 103104540A
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- pull bar
- wheel hub
- diffuser
- mechanical seal
- cavity
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Abstract
The invention relates to an environment-friendly all-adjusted vane pump, and relates to the field of vane pump structures. The vane pump comprises a first guide vane body, a second guide vane body, a hub and blades, wherein the hub is connected with a hollow oil-supply oil-return sleeve; a T-shaped pull rod is arranged in the hub in a penetrating manner; a hub seal is arranged between the pull rod and the hub; the pull rod is connected with an operating bracket; the operating bracket is connected with the blades through a crank arm; the diameter of one end of the pull rod is larger than that of the other end of the pull rod; a first cavity is formed among the large end of the pull rod, a main shaft and the hub; an inner tube is connected in the pull rod; one end of the inner tube is communicated with the first cavity, and the other end of the inner tube is connected with a pressure oil supply pipe through a pressure oil supply hose; a first mechanical seal and a second mechanical seal are arranged in the second guide vane body; a second cavity is formed among the first mechanical seal, the second mechanical seal, the pull rod, and the hollow oil-supply oil-return sleeve; an oil return pipe communicated with the second cavity is arranged in the second guide vane body in the penetrating manner; and the pull rod is provided with a throttling hole. The environment-friendly all-adjusted vane pump is simple in structure, reliable in operation, and easy to maintain, and does not pollute a water body.
Description
Technical field
The present invention relates to blade pump structure field.
Background technique
vane pump is widely used in water diversion project, energy project, the drought resisting water drainage, the field such as field irrigation and Improvement of Ecological Environment, existing low lift vane pump, especially axial-flow pump and mixed flow pump, its peak efficiency and efficient district scope are subject to the restriction of structural type, hydraulic performance decline is more after departing from optimum operating condition point, power consumption increases, therefore usually adopt the adjustable mode of blade to enlarge the scope in efficient district, but existing blade adjustments mode all adopts the vane pump wheel hub to be full of pressure oil and is arranged on the motor head, and baroque lubricant receiver, not only operational reliability is low, difficult in maintenance, and the wheel hub oil water body that leaks and pollute to carry.
Summary of the invention
The objective of the invention is in order to overcome the deficiencies in the prior art, provide a kind of environment protection type full adjusting vane pump, make that it is simple in structure, reliable, safeguard simply, polluted-water not.
the object of the present invention is achieved like this: the full adjusting vane pump of a kind of environment protection type, comprise the first diffuser, vane pump shell and the second diffuser, the two ends of vane pump shell respectively with the first diffuser be connected diffuser and be connected, place main shaft in the first diffuser, in the vane pump shell, wheel hub is set, one end of main shaft is connected with wheel hub, the periphery of wheel hub arranges blade, the other end of described wheel hub connects hollow fuel feeding oil return sleeve pipe, hollow fuel feeding oil return sleeve pipe is arranged in the second diffuser, place the T shape pull bar of same hollow structure in wheel hub and hollow fuel feeding oil return sleeve pipe, the wheel hub sealing is set between pull bar and wheel hub, attended operation support on pull bar in described hollow fuel feeding oil return sleeve pipe, the operation support is connected with blade by connecting lever, one end diameter of described T shape pull bar is greater than the other end diameter, form the first cavity between the large end of pull bar, main shaft, wheel hub, in pull bar, the interval connects inner tube, one end of inner tube is connected with the first cavity, the other end of inner tube is by pressure oil fuel lead Bonding pressure oil fuel supply line, the pressure oil fuel lead is arranged on outside hollow fuel feeding oil return sleeve pipe, and the pressure oil fuel supply line is set on the second diffuser, the first mechanical seal and the second mechanical seal are set in the second diffuser, the first mechanical seal and the second mechanical seal are separately positioned on pull bar and hollow fuel feeding oil return sleeve pipe, form the second cavity between the first mechanical seal, the second mechanical seal, pull bar, hollow fuel feeding oil return sleeve pipe, also place the return tube that is connected with the second cavity on described the second diffuser, the throttle orifice that is connected with the second cavity is set on pull bar.
Working principle of the present invention is: when pressure oil enters forced feed pipe → pressure oil fuel lead → inner tube → first cavity, and the oil between pull bar and inner tube → second cavity → return tube, when the first cavity oil-feed, the second cavity oil return, pull bar is away from main shaft; When pressure oil enters between return tube → second cavity → pull bar and inner tube, the oil → inner tube of the first cavity → pressure oil fuel lead → forced feed pipe, when the second cavity oil-feed, the first cavity oil return, pull bar is near main shaft.because the pressure reduction of two cavitys is realized its motion of pull bar, drive is arranged on the support rotary actuation blade rotation on pull bar, realize the adjusting of blade angle, the wheel hub sealing of servomotor guarantees that pressure oil does not enter wheel hub, the multiple mechanical seal that is arranged on the second diffuser position guarantees institute's water body of pumping non-leakage inside of arriving operating device, avoid simultaneously leaking of pressure oil, the full adjusting vane pump of this structure had both been realized free of contamination environmental requirement, again need to be at wheel hub, be full of pressure oil in water pump spindle and motor shaft, electric motor structure is simplified, water pump is safeguarded convenient, and enlarged the high efficient area scope of pump by adjustment of blade angle, improve the cavitation erosion performance.
Description of drawings
Fig. 1 is the first structural representation of the present invention.
Fig. 2 is the second structural representation of the present invention.
in figure, 1, 1 ' main shaft, 2, 2 ' pull bar, 3, the sealing of 3 ' wheel hub, 4, 4 ' operation support, 5, 5 ' the first mechanical seals, 6, 6 ' pressure oil fuel lead, 7, 7 ' the second mechanical seals, 8, 8 ' digital proportional valve, 9 rear guide vane bodies, 9 ' upper diffuser, 10, 10 ' inner tube, 11, 11 ' wheel hub, 12, 12 ' blade, 13, 13 ' vane pump shell, 14, 14 ' hollow fuel feeding oil return sleeve pipe, 15, 15 ' return tube, 16 pilot blade bodies, 16 ' lower diffuser, 17, 17 ' forced feed pipe, 18, 18 ' connecting lever, 19 ante-chambers, 19 ' cavity of resorption, 20 back cavities, 20 ' epicoele.
Embodiment
As shown in Figure 1, be the full adjusting vane pump of horizontal (tubular) environment protection type, comprise rear guide vane body 9, vane pump shell 13 and pilot blade body 16, are connected with the pilot blade body with rear guide vane body 9 respectively and are connected in the rear and front end of vane pump shell 13, place main shaft 1 in rear guide vane body 9, the interior wheel hub 11 that arranges of vane pump shell 13, the interior hollow fuel feeding oil return sleeve pipe 14 that arranges of pilot blade body 16, the front end of main shaft 1 is connected with wheel hub 11, and the front end of wheel hub 11 connects hollow fuel feeding oil return sleeve pipe 14.Wheel hub 11 rotations during main shaft 1 rotation, hollow fuel feeding oil return sleeve pipe 14 does not rotate.Place the T shape pull bar 2 of same hollow structure in wheel hub 11 and hollow fuel feeding oil return sleeve pipe 14, wheel hub sealing 3 is set between pull bar 2 and wheel hub 11.The periphery of wheel hub 11 arranges blade 12, attended operation support 4 on the pull bar 2 in hollow fuel feeding oil return sleeve pipe 14, and operation support 4 is connected with blade 12 by connecting lever 18.One end diameter of T shape pull bar 2 is greater than the other end diameter, form back cavity 20 between the large end of pull bar 2, main shaft 1, wheel hub 11, the interior interval of pull bar 2 connects inner tube 10, one end of inner tube 10 is connected with back cavity 20, the other end of inner tube 10 is by pressure oil fuel lead 6 Bonding pressure oil fuel supply lines 17, pressure oil fuel lead 6 is arranged on outside hollow fuel feeding oil return sleeve pipe 14, and pressure oil fuel supply line 17 is set on pilot blade body 16.The first mechanical seal 5 and the second mechanical seal 7 is set pilot blade body 16 is interior, the first mechanical seal 5 and the second mechanical seal 7 are separately positioned on pull bar 2 and hollow fuel feeding oil return sleeve pipe 14, form ante-chamber 19 between the first mechanical seal 5, the second mechanical seal 7, pull bar 2, hollow fuel feeding oil return sleeve pipe 14, also place the return tube 15 that is connected with ante-chamber 19 on pilot blade body 16, the throttle orifice that is connected with ante-chamber 19 is set on pull bar 2.
Working principle: the regulating command of sending according to digital proportional valve 8, pressure oil enters forced feed pipe 17 → pressure oil fuel lead 6 → inner tube 10 → back cavity 20, oil → ante-chamber 19 → return tube 15 between pull bar 2 and inner tube 10, when back cavity 20 oil-feeds, ante-chamber 19 oil return, pull bar travels forward; When pressure oil enters between return tube 15 → ante-chamber 19 → pull bar 2 and inner tube 10, oil → inner tube 10 → pressure oil fuel lead 6 → forced feed pipe 17 of back cavity 20, when ante-chamber 19 oil-feeds, back cavity 20 oil return, pull bar moves backward.Seesawing of pull bar 2 drives rotatablely moving of operation support 4, realizes the Angulation changes of blade 12.
Adopt wheel hub sealing 3 to realize that process oil does not enter wheel hub 11 and irrelevant with rear guide vane body 9 between pull bar 2 and wheel hub 11, mechanical seal 5 and 7 before and after adopting in pilot blade body 16, guarantee that process oil does not leak in water body, water body is also non-leakage inner to operating device simultaneously.
As shown in Figure 2, be the full adjusting vane pump of vertical environment-friendly type, comprise diffuser 9 ', vane pump shell 13 ' and lower diffuser 16 ', vane pump shell 13 ' two ends up and down respectively with upper diffuser 9 ' with lower diffuser 16 ' be connected, upper diffuser 9 ' in place main shaft 1 ', vane pump shell 13 ' in arrange wheel hub 11 ', lower diffuser 16 ' in arrange hollow fuel feeding oil return sleeve pipe 14 ', main shaft 1 ' lower end and wheel hub 11 ' be connected, wheel hub 11 ' the lower end connect hollow fuel feeding oil return sleeve pipe 14 '.Wheel hub 11 ' rotation during main shaft 1 ' rotation, hollow fuel feeding oil return sleeve pipe 14 ' do not rotate.Wheel hub 11 ' and hollow fuel feeding oil return sleeve pipe 14 ' in place the T shape pull bar 2 of same hollow structure ', pull bar 2 ' with wheel hub 11 ' between wheel hub be set seal 3 '.Wheel hub 11 ' periphery arrange blade 12 ', the pull bar 2 of hollow fuel feeding oil return sleeve pipe 14 ' interior ' upper attended operation support 4 ', operation support 4 ' by connecting lever 18 ' with blade 12 ' be connected.T shape pull bar 2 ' an end diameter greater than the other end diameter, pull bar 2 ' large end, main shaft 1 ', wheel hub 11 ' between form epicoele 20 ', pull bar 2 ' interior interval connection inner tube 10 ', inner tube 10 ' an end and epicoele 20 ' be connected, inner tube 10 ' the other end by pressure oil fuel lead 6 ' Bonding pressure oil fuel supply line 17 ', pressure oil fuel lead 6 ' be arranged on hollow fuel feeding oil return sleeve pipe 14 ' outer, the lower diffuser 16 of pressure oil fuel supply line 17 ' be set in ' on.Lower diffuser 16 ' in arrange the first mechanical seal 5 ' and the second mechanical seal 7 ', the first mechanical seal 5 ' and the second mechanical seal 7 ' be separately positioned on pull bar 2 ' and hollow fuel feeding oil return sleeve pipe 14 ' on, the first mechanical seal 5 ', the second mechanical seal 7 ', pull bar 2 ', hollow fuel feeding oil return sleeve pipe 14 ' between form cavity of resorption 19 ', lower diffuser 16 ' on also place with the return tube 15 of cavity of resorption 19 ' be connected ', pull bar 2 ' upper arranges the throttle orifice with cavity of resorption 19 ' be connected.
Claims (1)
1. full adjusting vane pump of environment protection type, comprise the first diffuser, vane pump shell and the second diffuser, the two ends of vane pump shell respectively with the first diffuser be connected diffuser and be connected, place main shaft in the first diffuser, in the vane pump shell, wheel hub is set, one end of main shaft is connected with wheel hub, the periphery of wheel hub arranges blade, it is characterized in that: the other end of described wheel hub connects hollow fuel feeding oil return sleeve pipe, hollow fuel feeding oil return sleeve pipe is arranged in the second diffuser, place the T shape pull bar of same hollow structure in wheel hub and hollow fuel feeding oil return sleeve pipe, the wheel hub sealing is set between pull bar and wheel hub, attended operation support on pull bar in described hollow fuel feeding oil return sleeve pipe, the operation support is connected with blade by connecting lever, one end diameter of described T shape pull bar is greater than the other end diameter, form the first cavity between the large end of pull bar, main shaft, wheel hub, in pull bar, the interval connects inner tube, one end of inner tube is connected with the first cavity, the other end of inner tube is by pressure oil fuel lead Bonding pressure oil fuel supply line, the pressure oil fuel lead is arranged on outside hollow fuel feeding oil return sleeve pipe, and the pressure oil fuel supply line is set on the second diffuser, the first mechanical seal and the second mechanical seal are set in the second diffuser, the first mechanical seal and the second mechanical seal are separately positioned on pull bar and hollow fuel feeding oil return sleeve pipe, form the second cavity between the first mechanical seal, the second mechanical seal, pull bar, hollow fuel feeding oil return sleeve pipe, also place the return tube that is connected with the second cavity on described the second diffuser, the throttle orifice that is connected with the second cavity is set on pull bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100753336A CN103104540A (en) | 2013-03-11 | 2013-03-11 | Environment-friendly all-adjusted vane pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100753336A CN103104540A (en) | 2013-03-11 | 2013-03-11 | Environment-friendly all-adjusted vane pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103104540A true CN103104540A (en) | 2013-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100753336A Pending CN103104540A (en) | 2013-03-11 | 2013-03-11 | Environment-friendly all-adjusted vane pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351869A (en) * | 2016-11-03 | 2017-01-25 | 江苏省水利勘测设计研究院有限公司 | Coaxial double-impeller axial flow blade pump with adjustable front impeller blade angle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56110598A (en) * | 1980-02-06 | 1981-09-01 | Hitachi Ltd | Movable blade swash plate pump |
| JPS57183594A (en) * | 1981-05-08 | 1982-11-11 | Hitachi Ltd | Movable-vane regulator for pump |
| JPS608500A (en) * | 1983-06-29 | 1985-01-17 | Hitachi Ltd | Variable vane regulator for vertical pump |
| JPS60125796A (en) * | 1983-12-09 | 1985-07-05 | Hitachi Ltd | Movable vane pump |
| CN201246268Y (en) * | 2008-08-20 | 2009-05-27 | 黄成� | Water turbine and water pump blade angle hydraulic synchronization speed regulator |
| CN203130592U (en) * | 2013-03-11 | 2013-08-14 | 江苏省水利勘测设计研究院有限公司 | Environmental-friendly full-adjusting vane pump |
-
2013
- 2013-03-11 CN CN2013100753336A patent/CN103104540A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56110598A (en) * | 1980-02-06 | 1981-09-01 | Hitachi Ltd | Movable blade swash plate pump |
| JPS57183594A (en) * | 1981-05-08 | 1982-11-11 | Hitachi Ltd | Movable-vane regulator for pump |
| JPS608500A (en) * | 1983-06-29 | 1985-01-17 | Hitachi Ltd | Variable vane regulator for vertical pump |
| JPS60125796A (en) * | 1983-12-09 | 1985-07-05 | Hitachi Ltd | Movable vane pump |
| CN201246268Y (en) * | 2008-08-20 | 2009-05-27 | 黄成� | Water turbine and water pump blade angle hydraulic synchronization speed regulator |
| CN203130592U (en) * | 2013-03-11 | 2013-08-14 | 江苏省水利勘测设计研究院有限公司 | Environmental-friendly full-adjusting vane pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351869A (en) * | 2016-11-03 | 2017-01-25 | 江苏省水利勘测设计研究院有限公司 | Coaxial double-impeller axial flow blade pump with adjustable front impeller blade angle |
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Application publication date: 20130515 |