CN202789354U - Separating type flexible speeder based on inner curve hydraulic motor - Google Patents
Separating type flexible speeder based on inner curve hydraulic motor Download PDFInfo
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- CN202789354U CN202789354U CN2012202048707U CN201220204870U CN202789354U CN 202789354 U CN202789354 U CN 202789354U CN 2012202048707 U CN2012202048707 U CN 2012202048707U CN 201220204870 U CN201220204870 U CN 201220204870U CN 202789354 U CN202789354 U CN 202789354U
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Abstract
The utility model discloses a separating type flexible speeder based on an inner curve hydraulic motor. The separating type flexible speeder based on the inner curve hydraulic motor comprises a draught fan, the inner curve hydraulic motor, a high voltage terminal energy accumulator, a one-way valve, a throttling valve, a hydraulic pipe, a hydraulic motor set, a generator set and an oil box. The inner curve hydraulic motor is connected with the hydraulic pipe, and installed on the top of a tower frame. The other equipment is installed below the tower frame. The inner curve hydraulic motor belongs to low-speed large-torque motors and is used as a hydraulic pump instead. The inner curve hydraulic motor has the advantages of being low in speed, large in torque, fitting wind power utilization characteristics, being applicable to working condition of a wind machine, facilitating transmission of wind power, simplifying the speeder of a large-scale wind power system, reducing loading of the top end of the tower, being convenient to maintain and install and reducing cost of development.
Description
Technical field
The utility model relates to a kind of separated flexible speeder for the large-scale wind electricity system, refers to especially a kind of separated flexible speeder that utilizes the hydraulic motor with inner curved piston characteristic to realize.
Background technique
At present, wind-power electricity generation has been subjected to domestic and international research worker's extensive concern as environmental protection, the economical energy.
Along with the blower fan of high-power grade constantly comes into operation, volume and the quality of hardware device are increasing.Windmill tower frame adopts heavy mechanical gearbox to carry out speedup because of more, and the load of bearing is large, inconvenient installation, maintenance.The hydraulic system volume is little, weight is the lightest, dynamic response good, torque is large, the gear technology maturation, but speed is low during owing to the wind energy conversion system running, torque is large, directly utilize conventional hydraulic pumps carry out the system acceleration system impact large, efficient is low, the stationarity of rotating is poor, poor reliability, the speedup difficult.
Summary of the invention
The utility model is intended to overcome the shortcoming that gear in the above-mentioned prior art can not adapt to the wind-power electricity generation demand, develops a kind of separated flexible speeder based on hydraulic motor with inner curved piston.
Before the narration the technical solution of the utility model, narrate first the repacking mode of hydraulic motor with inner curved piston 2.Described hydraulic motor with inner curved piston 2 is by having settled the Returnning spring V on the basis of original inner curve motor, and the Returnning spring V is placed between plunger assembly III and the oil outlet, plays reset response.
The utility model is achieved through the following technical solutions:
A kind of separated flexible speeder based on hydraulic motor with inner curved piston comprises blower fan, hydraulic motor with inner curved piston, pylon, separated flexible acceleration system, high-pressure and hydraulic pipeline, low-pressure hydraulic pipeline and generator set; The output shaft of blower fan and hydraulic motor with inner curved piston is by the coupling close-coupled; Hydraulic motor with inner curved piston is installed on the pylon top, and the two ends hydraulic fluid port of hydraulic motor with inner curved piston connects respectively low-pressure hydraulic pipeline and high-pressure and hydraulic pipeline; The low voltage terminal hydraulic-pressure pump to high voltage terminal; The separated flexible acceleration system comprises the first high voltage terminal accumulator, the second high voltage terminal accumulator, the first one-way valve, the second one-way valve, the 3rd one-way valve, the 4th one-way valve, the first relief valve, the second relief valve, throttle valve, service pump, groups of motors and fuel tank; The first high voltage terminal accumulator, the second high voltage terminal accumulator have been installed on the described high-pressure and hydraulic pipeline, at the high-pressure and hydraulic pipeline of the first high voltage terminal accumulator, the outlet of the second high voltage terminal accumulator the first one-way valve have been installed, prevented that hydraulic oil from flowing backwards; The first one-way valve connects respectively the first relief valve, the second one-way valve, the 3rd one-way valve and throttle valve by the high-pressure and hydraulic pipeline, and described the first relief valve, the second one-way valve and the 3rd one-way valve are in parallel, then through the second relief valve, so that the high-pressure oil flow oil sump tank; The filler opening of while high-pressure and hydraulic pipeline connecting motor group, the oil outlet of groups of motors connects the low-pressure hydraulic pipeline, and throttle valve connects the low-pressure hydraulic pipeline simultaneously; Groups of motors is furnished with service pump, and auxiliary delivery side of pump is connected with the 4th one-way valve by the pipeline between the first relief valve and the second relief valve, and the 4th one-way valve connects the low-pressure hydraulic pipeline, carries out system's fuel feeding in system's starting stage; The groups of motors of separated flexible acceleration system links to each other with generator set, for it provides power source; Separated flexible acceleration system and generator set are placed in the pylon lower end.A kind of separated flexible speeder based on hydraulic motor with inner curved piston is considered the characteristics of unstable, the low-speed big of wind collecting, and described hydraulic motor with inner curved piston speed is low, moment of torsion is large, is used as oil hydraulic pump and uses in system.Hydraulic motor with inner curved piston comprises plunger assembly and Returnning spring, and Returnning spring is placed between plunger assembly and the oil outlet.Part hydraulic oil by the first one-way valve connects the low-pressure hydraulic pipeline by throttle valve.
As improvement, adopted improved hydraulic motor with inner curved piston to use as oil hydraulic pump.Can't reset when preventing that hydraulic motor with inner curved piston from using as oil hydraulic pump, settle Returnning spring at the plunger cavity outlet end of motor.Improved hydraulic motor with inner curved piston is installed in the pylon top, and other device is installed in the pylon below.
Described separated flexible speeder based on hydraulic motor with inner curved piston by improved hydraulic motor with inner curved piston hydraulic oil from the low-pressure hydraulic pipeline mounted pump to the high-pressure and hydraulic pipeline, the running of drive groups of motors, consider simultaneously pylon height pump oil difficulty, in the terminal groups of motors, connect service pump, be the improved hydraulic motor with inner curved piston repairing on pylon top.
Described separated flexible speeder end based on hydraulic motor with inner curved piston has connected the oil hydraulic motor group, can control a plurality of motors and move simultaneously.
Described separated flexible speeder based on hydraulic motor with inner curved piston has connected throttle valve at the front end of oil hydraulic motor group, can be good at regulating system speed.
The beneficial effects of the utility model are, can replace the conventional gearbox speeder fully, in wind-power generating system, reduce the pylon quality, effectively reduce production costs; The stationarity that the utility model system shock is little simultaneously, efficient is high, rotate is high, and very strong reliability is arranged, and speedup is regulated simple and easy.
Description of drawings
Fig. 1 is the utility model system construction drawing.
Fig. 2 is inner curve motor and improved hydraulic motor with inner curved piston schematic diagram of the function.
Fig. 3 is scheme of installation of the present utility model.
Among the figure: 1-blower fan, 2-hydraulic motor with inner curved piston, the 3-the first high voltage terminal accumulator, the 4-the second high voltage terminal accumulator, the 5-the first one-way valve, 6-high-pressure and hydraulic pipeline, 7-throttle valve, the 8-the first relief valve, the 9-the second one-way valve, the 10-the three one-way valve, 11-low-pressure hydraulic pipeline, the 12-the four one-way valve, the 13-the second relief valve, 14-fuel tank, 15-service pump, 16-oil hydraulic motor group, 17-generator set, 18-separated flexible acceleration system, 19-pylon, I-stator, II-rotor, III-plunger assembly, IV-pintle, V-Returnning spring.
Embodiment
A kind of separated flexible speeder based on hydraulic motor with inner curved piston, described hydraulic motor with inner curved piston 2 comprises the stator I, the rotor II, the plunger assembly III, pintle IV and Returnning spring V, the Returnning spring V is placed between plunger assembly III and the oil outlet.Hydraulic motor with inner curved piston 2 is installed on pylon 19 tops, and the two ends hydraulic fluid port of hydraulic motor with inner curved piston 2 connects respectively low-pressure hydraulic pipeline 11 and high-pressure and hydraulic pipeline 6, is used for the low voltage terminal hydraulic-pressure pump to high voltage terminal.
Separated flexible acceleration system 18 comprises the first high voltage terminal accumulator 3, the second high voltage terminal accumulator 4, high-pressure and hydraulic pipeline 6, the first one-way valve 5, the second one-way valve 9, the 3rd one-way valve 10, the 4th one-way valve 12, the first relief valve 8, the second relief valve 13, throttle valve 7, low-pressure hydraulic pipeline 11, high-pressure and hydraulic pipeline 6, service pump 15, groups of motors 16, fuel tank 14.The first high voltage terminal accumulator 3, the second high voltage terminal accumulator 4 have been installed on the high-pressure and hydraulic pipeline 6, at the high-pressure and hydraulic pipeline 6 of the first high voltage terminal accumulator 3,4 outlets of the second high voltage terminal accumulator the first one-way valve 5 have been installed, prevented that hydraulic oil from flowing backwards.Part hydraulic oil connects the first relief valve 8, the second one- way valves 9 and 10 parallel connections of the 3rd one-way valve by the first one-way valve 5, then through the second relief valve 13, so that high-pressure oil flow oil sump tank 14; Another part hydraulic oil connects low-pressure hydraulic pipeline 11 by throttle valve 7.The filler opening of while high-pressure and hydraulic pipeline 6 connecting motor groups 16, the oil outlet of groups of motors 16 connects low-pressure hydraulic pipeline 11.Groups of motors 16 is furnished with service pump 15, and the output terminal of service pump 15 is connected with the 4th one-way valve 12 by the pipeline between relief valve 8 and the relief valve 13, and the 4th one-way valve 12 connects low-pressure hydraulic pipeline 11, carries out system's fuel feeding in system's starting stage.The groups of motors 16 of separated flexible acceleration system 18 links to each other with generator set 17, for it provides power source.
Separated flexible acceleration system and generator set 17 are placed in pylon 19 lower ends.
Working principle of the present utility model:
Improved hydraulic motor with inner curved piston 2, settled the Returnning spring V, by motive force blower fan 1 by after driving hydraulic motor with inner curved piston 2, hydraulic oil sucks, the plunger assembly III makes the to-and-fro motion of plunger assembly III by the effect of Returnning spring V and stator inner curve, thereby inner curve motor 2 can be used as oil hydraulic pump.
As shown in Figure 1, wind energy is through wind wheel 1 effect, and by effect drive hydraulic motor with inner curved piston 2 rotations of coupling, hydraulic oil flows to groups of motors through high-pressure and hydraulic pipeline 6, and flows out by groups of motors low pressure oil outlet, this process formation closed circuit.In order to prevent zone of high pressure hydraulic oil energy shortage, be provided with accumulator 3,4 in the zone of high pressure and replenish as the energy.The utility model considers that the height of pylon 19 can cause the low pressure area hydraulic fluid pressure not enough, has settled service pump 15 at groups of motors 16 front ends.System works is because the effect of service pump 15, enough pressure is provided, guarantees oil suction to low pressure area.The utility model has been settled throttle valve 7 at groups of motors 16 front ends, is used for regulating system speed.
Claims (3)
1. the separated flexible speeder based on hydraulic motor with inner curved piston is characterized in that: comprise blower fan (1), hydraulic motor with inner curved piston (2), pylon (19), separated flexible acceleration system (18), high-pressure and hydraulic pipeline (6), low-pressure hydraulic pipeline (11) and generator set (17); Blower fan (1) passes through the coupling close-coupled with the output shaft of hydraulic motor with inner curved piston (2); Hydraulic motor with inner curved piston (2) is installed on pylon (19) top, and the two ends hydraulic fluid port of hydraulic motor with inner curved piston (2) connects respectively low-pressure hydraulic pipeline (11) and high-pressure and hydraulic pipeline (6); The low voltage terminal hydraulic-pressure pump to high voltage terminal; Separated flexible acceleration system (18) comprises the first high voltage terminal accumulator (3), the second high voltage terminal accumulator (4), the first one-way valve (5), the second one-way valve (9), the 3rd one-way valve (10), the 4th one-way valve (12), the first relief valve (8), the second relief valve (13), throttle valve (7), service pump (15), groups of motors (16) and fuel tank (14); The first high voltage terminal accumulator (3), the second high voltage terminal accumulator (4) have been installed on the described high-pressure and hydraulic pipeline (6), high-pressure and hydraulic pipeline (6) in the first high voltage terminal accumulator (3), the outlet of the second high voltage terminal accumulator (4) has been installed the first one-way valve (5), prevents that hydraulic oil from flowing backwards; The first one-way valve (5) connects respectively the first relief valve (8), the second one-way valve (9), the 3rd one-way valve (10) and throttle valve (7) by high-pressure and hydraulic pipeline (6), described the first relief valve (8), the second one-way valve (9) and the 3rd one-way valve (10) parallel connection, then through the second relief valve (13), so that high-pressure oil flow oil sump tank (14); The filler opening of while high-pressure and hydraulic pipeline (6) connecting motor group (16), the oil outlet of groups of motors (16) connects low-pressure hydraulic pipeline (11), and throttle valve (7) connects low-pressure hydraulic pipeline (11) simultaneously; Groups of motors (16) is furnished with service pump (15), the output terminal of service pump (15) is connected with the 4th one-way valve (12) by the pipeline between the first relief valve (8) and the second relief valve (13), the 4th one-way valve (12) connects low-pressure hydraulic pipeline (11), carries out system's fuel feeding in system's starting stage; The groups of motors (16) of separated flexible acceleration system (18) links to each other with generator set (17), for it provides power source; Separated flexible acceleration system and generator set (17) are placed in pylon (19) lower end.
2. the separated flexible speeder based on hydraulic motor with inner curved piston according to claim 1, it is characterized in that: described hydraulic motor with inner curved piston (2) comprises plunger assembly (III) and Returnning spring (V), and Returnning spring (V) is placed between plunger assembly (III) and the oil outlet.
3. the separated flexible speeder based on hydraulic motor with inner curved piston according to claim 1 is characterized in that: the part hydraulic oil by described the first one-way valve (5) connects low-pressure hydraulic pipeline (11) by throttle valve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202048707U CN202789354U (en) | 2012-05-09 | 2012-05-09 | Separating type flexible speeder based on inner curve hydraulic motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202048707U CN202789354U (en) | 2012-05-09 | 2012-05-09 | Separating type flexible speeder based on inner curve hydraulic motor |
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| CN202789354U true CN202789354U (en) | 2013-03-13 |
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| CN2012202048707U Expired - Fee Related CN202789354U (en) | 2012-05-09 | 2012-05-09 | Separating type flexible speeder based on inner curve hydraulic motor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654105A (en) * | 2012-05-09 | 2012-09-05 | 江苏大学 | Separating flexible speed increasing device based on inner-curve hydraulic motor |
| CN103291550A (en) * | 2013-05-30 | 2013-09-11 | 华北电力大学 | Novel full-hydraulic wind power system |
| US20140138958A1 (en) * | 2011-04-08 | 2014-05-22 | Robert Bosch Gmbh | Hydraulic-electrical transducer, transducer arrangement and method for driving a transducer |
| CN106870289A (en) * | 2017-03-28 | 2017-06-20 | 兰州理工大学 | A kind of hydrostatic storage formula hydraulic drive type wind power generating set and control method |
-
2012
- 2012-05-09 CN CN2012202048707U patent/CN202789354U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140138958A1 (en) * | 2011-04-08 | 2014-05-22 | Robert Bosch Gmbh | Hydraulic-electrical transducer, transducer arrangement and method for driving a transducer |
| US9467022B2 (en) * | 2011-04-08 | 2016-10-11 | Robert Bosch Gmbh | Hydraulic-electrical transducer, transducer arrangement and method for driving a transducer |
| CN102654105A (en) * | 2012-05-09 | 2012-09-05 | 江苏大学 | Separating flexible speed increasing device based on inner-curve hydraulic motor |
| CN103291550A (en) * | 2013-05-30 | 2013-09-11 | 华北电力大学 | Novel full-hydraulic wind power system |
| CN106870289A (en) * | 2017-03-28 | 2017-06-20 | 兰州理工大学 | A kind of hydrostatic storage formula hydraulic drive type wind power generating set and control method |
| CN106870289B (en) * | 2017-03-28 | 2023-08-08 | 兰州理工大学 | Hydrostatic energy storage type hydraulic drive wind generating set and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20190509 |
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| CF01 | Termination of patent right due to non-payment of annual fee |