CN2627245Y - Non-lifting shaft water pump blade angle adjuster - Google Patents
Non-lifting shaft water pump blade angle adjuster Download PDFInfo
- Publication number
- CN2627245Y CN2627245Y CN 03254553 CN03254553U CN2627245Y CN 2627245 Y CN2627245 Y CN 2627245Y CN 03254553 CN03254553 CN 03254553 CN 03254553 U CN03254553 U CN 03254553U CN 2627245 Y CN2627245 Y CN 2627245Y
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- CN
- China
- Prior art keywords
- oil
- pump
- regulator
- blade angle
- piston rod
- 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
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Abstract
A blade angle regulator of water pump with free lift shaft belongs to the field of blade angle regulator of water pump, which consists of an oil pump electric motor, a pump oil gear, a pump oil wheel, an oil tank, an oil pump, an oil cylinder, a piston, a base, an outer cover, an angle sensor, a limiting valve, a piston rod, a control valve, as well as a regulator shaft, and is fixed on the upper end part of a main electric motor rotor shaft. The regulator drives the pump oil wheel to rotate through the oil pump electric motor and the pump oil gear, a convex platform on the pump oil wheel presses down two oil pumps to start oil pumping, which drives the regulator shaft to make the blade angle move towards positive angle or negative angle through the piston rod, so as to reach the purpose on regulating the blade angle, thereby solving the problems of prior mechanical regulator of shaft lift at starting-up, complicated prior hydraulic regulator equipment, inconvenient management and maintenance, as well as disable use on the water pumps with the diameters under 1.6m. The regulator is applied to the blade angle regulator of water pumps with various diameters and without lift shaft phenomena. The regulator is provided with stable regulation process, thereby improving the safety and reliability of the equipment with convenient usage and maintenance.
Description
Affiliated technical field:
The utility model relates to a kind of regulator of water pump blade angle, and particularly a kind of when the adjusting vane angle, water pump spindle does not produce axially movable regulator.Belong to water pump blade angle controlling device field.
Background technique:
China is a large agricultural country, in order to improve agricultural production conditions, adapts to the needs of drought resisting, water drainage, has many pumping plants in lake, mountain area, and the water pump of installing in the pumping plant is generally full adjusting water pump and partly regulates axial-flow pump.The full water pump of regulating in order to give full play to its effect, along with the difference of lift, often be regulated the blade angle of pump when the work operation.At present, general two kinds of forms, i.e. hydraulic regulation and the mechanical adjustment of adopting of water pump blade angle regulative mode.1.6 the water pump of the following diameter of rice generally adopts mechanical adjustment because of the reason in space, the water pump of diameter adopts hydraulic regulation more than 1.6 meters.But above two kinds of regulative modes are in various degree some problems of existence all.As the mechanical governor that is installed on the full adjusting water pump of 1.6 meters left and right sides diameters exists start to lift axle, damage the regulator bearing, sometimes or even crushing accident, 1.6 the above diameter of rice is regulated axial-flow pump entirely and is used outer fuel feeding underneath type hydraulic regulation, though do not lift axle, the phenomenon of damage equipment, but equipment complexity, the management and maintenance trouble is again because of hydraulic pressure installation is installed under water for a long time, so the sealing intractable is good, add the lubricant receiver that is installed in top, because of the required precision height, also often break down, in addition, the outside also has the complicated oil supply system of a cover, strengthened staff's maintenance task, the user cost height is big and can not use on the water pump of diameter below 1.6 meters because of volume.
Summary of the invention:
The purpose of this utility model is: provide the interior fuel feeding regulation of hydraulic system device of a kind of employing to carry out water pump blade angle and regulate, the stressed supporting point of regulator is on the rotor shaft of main motor, the hydraulic pressure installation body is arranged on the top of rotor shaft, water pump is not lifted axle during the positive and negative adjusting of blade angle, and the water pump that is applicable to various diameters carries out blade angle to be regulated, simple in structure, use easy to maintenancely, improve the non-lifting shaft water pump blade angle regulator of device security and reliability.
The utility model is to realize above-mentioned purpose by following technical solution:
The interior fuel feeding hydraulic pressure installation that this non-lifting shaft water pump blade angle regulator is made up of Oil pump electrical machinery, pump oilgear, pump oil tanker, fuel tank, oil pump, high-pressure oil pipe, oil cylinder, piston, oil sealing, base, outer cover, angle transducer, pressure-limit valve, piston rod, control valve, regulator shaft and drainback passage, and be fixed on the upper end portion of main rotor axis of electric by base, place in the outer cover that covers on the main motor; It is characterized in that: base upper end is connected with one by flange plate and is separated into the oil cylinder of upper cylinder and play oil cylinder by piston, is connected with a fuel tank by flange plate on the oil cylinder, and two oil pumps are housed in the fuel tank; Be fixed with an Oil pump electrical machinery on the outer cover inner top surface, Oil pump electrical machinery is connected with the pump oil tanker of two oil pumps by the pump oilgear on piston rod top, two oil pumps reach down with upper cylinder respectively by high-pressure oil pipe, and oil cylinder is communicated with, the lower end of piston rod connects regulator shaft by flange plate, control valve and angle transducer are equipped with in its top, upper end, pressure-limit valve is equipped with in the junction of upper cylinder and fuel tank, be shaped on a drainback passage that communicates with fuel tank in piston and the piston rod in the heart, the junction point of oil cylinder and piston rod is equipped with oil sealing.
The utility model compared with prior art has following advantage:
Fuel feeding hydraulic regulation in adopting, the hydraulic pressure installation body adopts up-set type, is applicable to the full adjusting water pump of various diameters, and the force bearing point of regulating power is on solid of rotation, and no matter blade angle is adjusted to plus or minus, a phenomenon can not occur lifting.Adjustment process is stable, has improved the Security and the reliability of equipment, has reduced user cost, use, easy to maintenance.
Description of drawings:
Accompanying drawing is the structural representation of non-lifting shaft water pump blade angle regulator.
Among the figure: 1. Oil pump electrical machinery, 2. pump oilgear, 3. pump oil tanker, 4. fuel tank, 5. oil pump, 6. high-pressure oil pipe, 7. oil cylinder, 8. piston, 9. oil sealing, 10. base, 11. outer cover, 12. main motor loam cakes, 13. main rotor axis of electric, 14. angle transducer, 15. pressure-limit valves, 16. piston rods, 17. control valve, 18. regulator shafts, 19. drainback passages.
Embodiment:
This non-lifting shaft water pump blade angle regulator is made up of Oil pump electrical machinery (1), pump oilgear (2), pump oil tanker (3), fuel tank (4), oil pump (5), high-pressure oil pipe (6), oil cylinder (7), piston (8), oil sealing (9), base (10), outer cover (11), angle transducer (14), pressure-limit valve (15), piston rod (16), control valve (17), regulator shaft (18), main rotor axis of electric (13), regulator shaft (18), main motor loam cake (12) are the part of raw water pump, and its structure and mounting point are constant.This regulator is fixed on the upper end portion of water pump master rotor axis of electric (13) by flange plate by base (10), the other end of base (10) is connected with the oil cylinder (7) that a piston (8) that is installed on the piston rod (16) is separated into upper cylinder and following oil cylinder by flange plate, oil cylinder (7) upper end is connected with fuel tank (4) by flange, and two oil pumps (5) are housed in the fuel tank (4); Be fixed with an Oil pump electrical machinery (1) on outer cover (11) inner top surface, Oil pump electrical machinery (1) is connected with two oil pumps (5) with pump oil tanker (3) by the pump oilgear (2) on piston rod (16) top, and two oil pumps (5) are communicated with upper cylinder and following oil cylinder respectively by high-pressure oil pipe (6).During use, the blade angle adjustment process is as follows:
One, the blade positive-angle is regulated
Open Oil pump electrical machinery (1), pump oilgear (2) drives pump oil tanker (3) and begins rotation, boss on the pump oil tanker (3) is pushed two oil pumps (5) and is begun pump oil simultaneously, the upper cylinder of hydraulic oil in high-pressure oil pipe (6) enters oil cylinder (7) and following oil cylinder, and this moment, the oil cylinder internal pressure rose simultaneously up and down.Because of limited valve in the upper cylinder (15) restriction, when upper cylinder pressure surpassed pressure-limit valve (15) setting pressure, pressure-limit valve (15) was opened.The high pressure oil of upper cylinder refluxes to fuel tank (4), and following in-oil cylinder pressure is continuing rising, and piston (8) is up, drives regulator shaft (18) by piston rod (16) blade angle is moved to positive-angle, reaches the blade angle that needs adjusting.
Two, the blade negative angle is regulated
Open Oil pump electrical machinery (1), pump oilgear (2) drives pump oil tanker (3) and begins rotation, boss on the pump oil tanker (3) is pushed two oil pumps (5) and is begun pump oil simultaneously, by angle transducer (14) opening controlling valve (17), drainback passage (19) is opened, the following in-oil cylinder hydraulic oil of oil cylinder (7) is then got back to fuel tank (4) by drainback passage (19), following oil cylinder has not had pressure, upper cylinder is because of limited valve (15) restriction, hydraulic oil has pressure, and piston (8) is descending, drives regulator shaft (18) by piston rod (16) blade angle is moved to negative angle, after reaching the blade angle that needs to regulate, close Oil pump electrical machinery (1) and control valve (17).
During the water pump assembly operation,
The rotor of Oil pump electrical machinery (1) and pump oilgear (2) servo-actuated, oil pump is not worked, and water pump blade angle is in the angle operation of locking.
Claims (1)
- A kind of non-lifting shaft water pump blade angle regulator, the interior fuel feeding hydraulic pressure installation that it is made up of Oil pump electrical machinery, pump oilgear, pump oil tanker, fuel tank, oil pump, high-pressure oil pipe, oil cylinder, piston, oil sealing, base, outer cover, angle transducer, pressure-limit valve, piston rod, control valve, regulator shaft and drainback passage, and be fixed on the upper end portion of main rotor axis of electric by base, place in the outer cover that covers on the main motor; It is characterized in that: base upper end is connected with one by flange plate and is separated into the oil cylinder of upper cylinder and play oil cylinder by piston, is connected with a fuel tank by flange plate on the oil cylinder, and two oil pumps are housed in the fuel tank; Be fixed with an Oil pump electrical machinery on the outer cover inner top surface, Oil pump electrical machinery is connected with the pump oil tanker of two oil pumps by the pump oilgear on piston rod top, two oil pumps reach down with upper cylinder respectively by high-pressure oil pipe, and oil cylinder is communicated with, the lower end of piston rod connects regulator shaft by flange plate, control valve and angle transducer are equipped with in its top, upper end, pressure-limit valve is equipped with in the junction of upper cylinder and fuel tank, be shaped on a drainback passage that communicates with fuel tank in piston and the piston rod in the heart, the junction point of oil cylinder and piston rod is equipped with oil sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03254553 CN2627245Y (en) | 2003-06-17 | 2003-06-17 | Non-lifting shaft water pump blade angle adjuster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03254553 CN2627245Y (en) | 2003-06-17 | 2003-06-17 | Non-lifting shaft water pump blade angle adjuster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2627245Y true CN2627245Y (en) | 2004-07-21 |
Family
ID=34253598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03254553 Expired - Fee Related CN2627245Y (en) | 2003-06-17 | 2003-06-17 | Non-lifting shaft water pump blade angle adjuster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2627245Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251915A (en) * | 2011-06-24 | 2011-11-23 | 武汉大学 | Axial flow water turbine paddle adjustor |
| CN103388588A (en) * | 2013-08-15 | 2013-11-13 | 戴宏岸 | Built-in rotary blade angle hydraulic pressure regulator |
| CN107143505A (en) * | 2017-06-20 | 2017-09-08 | 广东河海泵业机械有限公司 | A kind of in-service adjusting means of follow-up motor type mechanical water pump blade angle |
| CN107165835A (en) * | 2017-06-20 | 2017-09-15 | 广东河海泵业机械有限公司 | Mechanical water pump adjustment of blade angle device with compact layout displacement sensing instrument |
| CN107165836A (en) * | 2017-06-20 | 2017-09-15 | 广东河海泵业机械有限公司 | One kind exempts from the in-service governor motion of motor adjustment type water pump blade angle |
| CN107740775A (en) * | 2017-11-27 | 2018-02-27 | 湖北拓宇水电科技有限公司 | A kind of middle Inner fuel feeding hydraulic pump blade angle synchronous governor |
-
2003
- 2003-06-17 CN CN 03254553 patent/CN2627245Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251915A (en) * | 2011-06-24 | 2011-11-23 | 武汉大学 | Axial flow water turbine paddle adjustor |
| CN103388588A (en) * | 2013-08-15 | 2013-11-13 | 戴宏岸 | Built-in rotary blade angle hydraulic pressure regulator |
| CN107143505A (en) * | 2017-06-20 | 2017-09-08 | 广东河海泵业机械有限公司 | A kind of in-service adjusting means of follow-up motor type mechanical water pump blade angle |
| CN107165835A (en) * | 2017-06-20 | 2017-09-15 | 广东河海泵业机械有限公司 | Mechanical water pump adjustment of blade angle device with compact layout displacement sensing instrument |
| CN107165836A (en) * | 2017-06-20 | 2017-09-15 | 广东河海泵业机械有限公司 | One kind exempts from the in-service governor motion of motor adjustment type water pump blade angle |
| CN107740775A (en) * | 2017-11-27 | 2018-02-27 | 湖北拓宇水电科技有限公司 | A kind of middle Inner fuel feeding hydraulic pump blade angle synchronous governor |
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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: 20040721 Termination date: 20100617 |