CN204330372U - The Wind turbines fault simulation experiment table that a kind of inclined installation angle is adjustable - Google Patents
The Wind turbines fault simulation experiment table that a kind of inclined installation angle is adjustable Download PDFInfo
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- CN204330372U CN204330372U CN201520003077.4U CN201520003077U CN204330372U CN 204330372 U CN204330372 U CN 204330372U CN 201520003077 U CN201520003077 U CN 201520003077U CN 204330372 U CN204330372 U CN 204330372U
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Abstract
The utility model discloses the Wind turbines fault simulation experiment table that a kind of inclined installation angle is adjustable, comprise drive system, simulation wind wheel system, gearbox drive system, generator system, load water pump, horizontal steady job platform and tilt adjustable workbench, drive system is arranged on horizontal steady job platform, drive system is connected with simulation wind wheel system, simulation wind wheel system is connected with gearbox drive system, gearbox drive system is connected with generator system, generator system is connected with load water pump, drive load pump working, gearbox drive system and generator system are arranged on tilt adjustable workbench.The utility model can be simulated the running status of Wind turbines under differing tilt angles support stiffness different from cabin part and dynamics.
Description
Technical field
The utility model relates to wind power generating set dynamics field, the Wind turbines fault simulation experiment table that particularly a kind of inclined installation angle is adjustable.
Background technology
Wind power generating set mean level is arranged on tower cylinder, under the gravity of linear leaf and wind carry double action, linear leaf in running generally can produce larger inclination and distortion, be unfavorable for blade capturing wind energy on the one hand, also likely crash with the tower cylinder supporting construction of Wind turbines on the other hand.In order to efficiency utilization wind energy, improve wind wheel energy transformation ratio, current most of Wind turbines certain angle that tilted by wind turbine transmission chain when designing is arranged on tower cylinder.Wind turbines is generally by impeller, kinematic train, generator, cabin, yaw system, cooling blower, control system, tower cylinder and basis composition, be made up of multiple parts and labyrinth, designed life is long, reliability requirement is high, relates to machinery, electrically and the multiple technical field in magnetic field, often at dust storm, corrosion, run under the severe rugged environment such as freezing, in addition wind speed and direction stochastic uncertainty, under the actings in conjunction such as inner structure excitation and outside alternate load, the stressed more horizontal installation situation of wind turbine generator unit parts be inclined and mounted on tower cylinder is more complex, and in different wind fields, due to tower cylinder type and structure diversity, Wind turbines is also very complicated because the wind suffered by tower cylinder carries, and shows as typical bending, the shock effect that electromagnetic coupled effect and gap-contact bring, very easily there is component crackle in unit, wearing and tearing, the structural members such as spot corrosion lost efficacy, and excited motor oscillating excessive, rotor quality imbalance fault increases, cushion blocking dynamic perfromance is deteriorated, coupling stiffness is not enough, the various faults such as gear tooth wearing and tearing aggravation.These all will cause unit performance deterioration, decrease of power generation, even cause whole genset to be paralysed under serious condition.
The domestic and international Wind turbines object that the research of Wind turbines dynamics and vibration fault is installed based on level on ground at present, and the Wind turbines research be arranged on tower cylinder simulation actual tilt is less, especially relate to setting angle and all adjustable experimental provision of support stiffness is less.Therefore, build one and effectively can simulate and tilt to install operating mode leeward group of motors simulated experiment platform, research is carried out to setting angle and the adjustable Wind turbines dynamics of support stiffness and seems particularly important.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides a kind of Wind turbines dynamics simulation test device can simulated the running status of Wind turbines under differing tilt angles support stiffness different from cabin part and dynamics.
The technical scheme that the utility model solves the problem: the Wind turbines fault simulation experiment table that a kind of inclined installation angle is adjustable, comprise drive system, simulation wind wheel system, gearbox drive system, generator system, load water pump, horizontal steady job platform and tilt adjustable workbench, drive system is arranged on horizontal steady job platform, drive system is connected with simulation wind wheel system, simulation wind wheel system is connected with gearbox drive system, gearbox drive system is connected with generator system, generator system is connected with load water pump, drive load pump working, gearbox drive system and generator system are arranged on tilt adjustable workbench.
In the Wind turbines fault simulation experiment table that above-mentioned inclined installation angle is adjustable, described tilt adjustable workbench comprises upper, middle and lower-ranking platform, gearbox drive system and generator system are arranged on upper platform, by multiple elasticity adjustable supports anatomical connectivity between upper platform and middle level platform, between middle level platform and lower floor's platform, be provided with tilt adjustable device.
In the Wind turbines fault simulation experiment table that above-mentioned inclined installation angle is adjustable, described elasticity adjustable supports structure comprises base, spring and guidepost, base bolt of lower base is fixed on the platform of middle level, upper end and the upper platform of spring are affixed, the lower end of spring is fixed on base, described guidepost is positioned at spring, guidepost comprises outer-hexagonal bolt and pilot sleeve, the bolt head of outer-hexagonal bolt is positioned on upper platform, the stud of outer-hexagonal bolt is connected with described whorl of base through upper platform, and pilot sleeve is socketed on the stud of outer-hexagonal bolt.
In the Wind turbines fault simulation experiment table that above-mentioned inclined installation angle is adjustable, described spring employing family curve is the taper spring of cumulative type.
In the Wind turbines fault simulation experiment table that above-mentioned inclined installation angle is adjustable, described tilt adjustable device comprises hinged-support supporting construction and a hinge support structure, hinged-support supporting construction is arranged on the left end of lower floor's platform, hinged-support supporting construction comprises, lower two fixing hinged-supports, hinge support structure is arranged on the right-hand member of lower floor's platform, hinge support structure comprises the upper hinge support be fixed on the platform of middle level, be fixed on the lower hinge support on lower floor's platform and the connecting link in the middle of two hinged-supports, connecting link comprises screw rod, lower screw rod, setting nut, upper locking nut and lower locking nut, the upper end of upper screw rod is fixed on upper hinge support, the middle part of upper screw rod is threaded with upper locking nut, the lower end of upper screw rod is threaded with the top of setting nut, the bottom of setting nut is connected with the threaded upper ends of lower screw rod, the middle part of lower screw rod is threaded with lower locking nut, the lower end of lower screw rod is fixed on lower hinge support.
In the Wind turbines fault simulation experiment table that above-mentioned inclined installation angle is adjustable, described upper screw rod, lower screw flight sense of rotation are contrary.
In the Wind turbines fault simulation experiment table that above-mentioned inclined installation angle is adjustable, described drive system comprises frequency converter, drive motor, drive motor is arranged on horizontal steady job platform, frequency converter is connected with drive motor, and the output shaft of drive motor is connected with simulation wind wheel system by shaft coupling I.
In the Wind turbines fault simulation experiment table that above-mentioned inclined installation angle is adjustable, described simulation wind wheel system comprises reduction gear box and vane simulated device, reduction gear box is arranged on horizontal steady job platform, gearbox drive system comprises step-up gear and main shaft, the front end of reduction gear box is connected with drive motor by shaft coupling I, the output shaft of reduction gear box is connected with vane simulated device by shaft coupling II, vane simulated device and front-end of spindle are rigidly connected, rear-end of spindle is connected with step-up gear by shaft coupling III, generator system comprises generator, the output shaft of step-up gear is connected with generator by shaft coupling IV, described step-up gear, generator is arranged on upper platform.
In the Wind turbines fault simulation experiment table that above-mentioned inclined installation angle is adjustable, described shaft coupling II, shaft coupling IV all adopt diaphragm coupling, and shaft coupling III adopts rigidity expansion set shaft coupling.
In the Wind turbines fault simulation experiment table that above-mentioned inclined installation angle is adjustable, the upper, middle and lower-ranking platform of described horizontal steady job platform and tilt adjustable workbench adopts metal plate or material to be the framework of angle steel.
The beneficial effects of the utility model are:
1, drive system of the present utility model provides input load for simulation wind wheel system, simulates radial load and the transverse load of wind wheel system simulation blade, is then increased speed by gearbox drive system and realize power generation requirements; The electric energy that generator system exports, for driving load pump working, changes load torque by the flow changing load water pump, and then simulates the ruuning situation that different wind carries lower Wind turbines;
Adopt the unitized construction of elasticity adjustable supports structure and tilt adjustable device between three layers of platform of 2, tilt adjustable workbench, it is adjustable that the setting angle that can realize genset platform can be in harmonious proportion support stiffness.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is the structural representation of Fig. 2 Elastic adjustable supports structure.
Fig. 4 is the structural representation of Fig. 2 medium dip angle adjusting device.
In figure: frequency converter 1, drive motor 2, shaft coupling I3, reduction gear box 4, shaft coupling II5, roller bearing II6, vane simulated device 7, roller bearing I8, shaft coupling III9, step-up gear 10, shaft coupling IV11, generator 12, load water pump 13, horizontal steady job platform 14, upper platform 15, elasticity adjustable supports structure 16, middle level platform 17, hinged-support 18, tilt adjustable device 19, lower floor's platform 20, base 21, spring 22, bolt of lower base 24, outer-hexagonal bolt 25, pilot sleeve 26, upper hinge support 28, lower hinge support 29, upper screw rod 30, lower screw rod 31, setting nut 32, upper locking nut 33 and lower locking nut 34.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As Fig. 1, shown in Fig. 2, the utility model comprises drive system, simulation wind wheel system, gearbox drive system, generator system, load water pump 13, horizontal steady job platform 14 and tilt adjustable workbench, drive system is arranged on horizontal steady job platform 14, drive system is connected with simulation wind wheel system, simulation wind wheel system is connected with gearbox drive system, gearbox drive system is connected with generator system, generator system is connected with load water pump 13, load water pump 13 is driven to work, gearbox drive system and generator system are arranged on tilt adjustable workbench.
Drive system provides input load for simulation wind wheel system, simulates radial load and the transverse load of wind wheel system simulation blade, is then increased speed by gearbox drive system and realize power generation requirements; The electric energy that generator system exports works for driving load water pump 13, changes load torque, and then simulate the ruuning situation that different wind carries lower Wind turbines by the flow changing load water pump 13.
As shown in Figure 2, described drive system comprises frequency converter 1, drive motor 2, shaft coupling, drive motor 2 is arranged on horizontal steady job platform 14, frequency converter 1 is connected with drive motor 2, drive motor 2 is controlled, described simulation wind wheel system comprises reduction gear box 4, vane simulated device 7, the output shaft of drive motor 2 is connected with reduction gear box 4 by shaft coupling I3, drive motor machine 2 outputting power drags coupled reduction gear box 4 and operates, torque is increased by the deceleration of reduction gear box 4, the rotation status of simulation Wind turbines wind wheel.Gearbox drive system comprises step-up gear 10 and main shaft, the output shaft of reduction gear box 4 is connected with vane simulated device 7 by shaft coupling II5, front-end of spindle is simulated wheel hub by roller bearing I8 and vane simulated device 7 and is rigidly connected, roller bearing 8 is fixed on tilt adjustable workbench, rear-end of spindle is connected with step-up gear 10 by shaft coupling III9, wherein, shaft coupling II5 adopts diaphragm coupling, roller bearing II6 adopts deep groove ball bearing, be placed in wind wheel side as stiff end, bear radial load and axial load; Roller bearing I8 adopts self-aligning roller bearing, only bears radial load, can at axial float.
The front end of step-up gear 10 is connected with roller bearing I8 by shaft coupling III9, step-up gear 10 output shaft is connected with generator 12 by shaft coupling IV11, described step-up gear 10, generator 12 are arranged on tilt adjustable workbench, roller bearing I8 is arranged by the leading portion at step-up gear 10, utilize the buffer action of roller bearing, decrease the impact of abnormal load on step-up gear 10.The electric current that after speedup, generator 12 exports works for driving load water pump 13, by the aquifer yield of regulating load water pump 13, and then the load suffered by regulating wind power unit.Wherein, shaft coupling III9 adopts rigidity expansion set shaft coupling, and shaft coupling IV11 adopts diaphragm coupling.。
Consider bearing capacity and the flexural deformation requirement of workbench, horizontal steady job platform 14 and tilt adjustable workbench adopt metal plate or material to be the framework of angle steel.As shown in Figure 3, described tilt adjustable workbench comprises upper platform 15, middle level platform 17, lower floor's platform 20, step-up gear 10 and generator 12 are arranged on upper platform 15, be connected by multiple elasticity adjustable supports structure 16 between upper platform 15 with middle level platform 17, be provided with tilt adjustable device 19 between middle level platform 17 and lower floor's platform 20, lower floor's platform 20 is fixed on level ground or steelframe.
The form that described elasticity adjustable supports structure 16 adopts spring supporting and guidepost to combine, it comprises base 21, spring 22 and guidepost, spring 22 adopts family curve to be the taper spring of cumulative type, its rigidity increases with the increase of deflection, base 21 bolt of lower base 24 is fixed on middle level platform 17, upper end and the upper platform 15 of spring 22 are affixed, the lower end of spring 22 is fixed on base 21, described guidepost is positioned at spring 22, guidepost comprises outer-hexagonal bolt 25 and pilot sleeve 26, the bolt head of outer-hexagonal bolt 25 is positioned on upper platform 15, the stud of outer-hexagonal bolt 25 is threaded with described base 21 through upper platform 15, pilot sleeve 26 is socketed on the stud of outer-hexagonal bolt 25, guidepost is for adjusting the decrement of spring 22 and leading, and bear transverse load, prevent experiment table from laterally toppling.Along with the left-handed of outer-hexagonal bolt 25 or dextrorotation are rotated, due to the resiliency supported effect of spring 22, the upper platform 15 corresponding lifting of meeting and decline, upper platform 15 lifting, spring 22 decrement reduces, and workbench rigidity reduces, and upper platform 15 declines, spring 22 decrement increases, and workbench rigidity increases.
Described tilt adjustable device 19 comprises hinged-support supporting construction and a hinge support structure, hinged-support supporting construction is arranged on the left end of lower floor's platform 20, hinged-support supporting construction comprises, lower two fixing hinged-supports 18, hinge support structure is arranged on the right-hand member of lower floor's platform 20, hinge support structure comprises the upper hinge support 28 be fixed on middle level platform 17, be fixed on the lower hinge support 29 on lower floor's platform 20 and the connecting link in the middle of two hinged-supports, connecting link comprises screw rod 30, lower screw rod 31, setting nut 32, upper locking nut 33 and lower locking nut 34, the upper end of upper screw rod 30 is fixed on upper hinge support 28, the middle part of upper screw rod 30 is threaded with upper locking nut 33, the lower end of upper screw rod 30 is threaded with the top of setting nut 32, the bottom of setting nut 32 is connected with the threaded upper ends of lower screw rod 31, the middle part of lower screw rod 31 is threaded with lower locking nut 34, the lower end of lower screw rod 31 is fixed on lower hinge support 29, in order to limit the position of middle adjusting nut 32, upper screw rod 30, lower screw rod 31 screw thread rotation direction is contrary, because upper screw rod 30, lower screw rod 31 have employed left-right rotary helicitic texture, along with the left-handed of setting nut 32 or dextrorotation are rotated, upper and lower two screw rods are subject to outside thrust or inside pulling force respectively, to realize elongation and the shortening of connecting link, the motion of connecting link band middle level platform 17, thus complete the adjustment at the angle of inclination of tilt adjustable workbench.Because upper and lower two screw flight rotation directions are contrary, the set nut of upper and lower screw rod is stressed contrary all the time, serves the effect of self-locking, in operation, needs first to loosen upper and lower two set nuts, the adjusting nut 32 in the middle of could rotating.
Claims (10)
1. the Wind turbines fault simulation experiment table that an inclined installation angle is adjustable, it is characterized in that: comprise drive system, simulation wind wheel system, gearbox drive system, generator system, load water pump, horizontal steady job platform and tilt adjustable workbench, drive system is arranged on horizontal steady job platform, drive system is connected with simulation wind wheel system, simulation wind wheel system is connected with gearbox drive system, gearbox drive system is connected with generator system, generator system is connected with load water pump, drive load pump working, gearbox drive system and generator system are arranged on tilt adjustable workbench.
2. the Wind turbines fault simulation experiment table that inclined installation angle as claimed in claim 1 is adjustable, it is characterized in that: described tilt adjustable workbench comprises upper, middle and lower-ranking platform, gearbox drive system and generator system are arranged on upper platform, by multiple elasticity adjustable supports anatomical connectivity between upper platform and middle level platform, between middle level platform and lower floor's platform, be provided with tilt adjustable device.
3. the Wind turbines fault simulation experiment table that inclined installation angle as claimed in claim 2 is adjustable, it is characterized in that: described elasticity adjustable supports structure comprises base, spring and guidepost, base bolt of lower base is fixed on the platform of middle level, upper end and the upper platform of spring are affixed, the lower end of spring is fixed on base, described guidepost is positioned at spring, guidepost comprises outer-hexagonal bolt and pilot sleeve, the bolt head of outer-hexagonal bolt is positioned on upper platform, the stud of outer-hexagonal bolt is connected with described whorl of base through upper platform, pilot sleeve is socketed on the stud of outer-hexagonal bolt.
4. the Wind turbines fault simulation experiment table that inclined installation angle as claimed in claim 3 is adjustable, is characterized in that: described spring employing family curve is the taper spring of cumulative type.
5. the Wind turbines fault simulation experiment table that inclined installation angle as claimed in claim 2 is adjustable, it is characterized in that: described tilt adjustable device comprises hinged-support supporting construction and a hinge support structure, hinged-support supporting construction is arranged on the left end of lower floor's platform, hinged-support supporting construction comprises, lower two fixing hinged-supports, hinge support structure is arranged on the right-hand member of lower floor's platform, hinge support structure comprises the upper hinge support be fixed on the platform of middle level, be fixed on the lower hinge support on lower floor's platform and the connecting link in the middle of two hinged-supports, connecting link comprises screw rod, lower screw rod, setting nut, upper locking nut and lower locking nut, the upper end of upper screw rod is fixed on upper hinge support, the middle part of upper screw rod is threaded with upper locking nut, the lower end of upper screw rod is threaded with the top of setting nut, the bottom of setting nut is connected with the threaded upper ends of lower screw rod, the middle part of lower screw rod is threaded with lower locking nut, the lower end of lower screw rod is fixed on lower hinge support.
6. the Wind turbines fault simulation experiment table that inclined installation angle as claimed in claim 5 is adjustable, is characterized in that: described upper screw rod, lower screw flight sense of rotation are contrary.
7. the Wind turbines fault simulation experiment table that inclined installation angle as claimed in claim 1 is adjustable, it is characterized in that: described drive system comprises frequency converter, drive motor, drive motor is arranged on horizontal steady job platform, frequency converter is connected with drive motor, and the output shaft of drive motor is connected with simulation wind wheel system by shaft coupling I.
8. the Wind turbines fault simulation experiment table that inclined installation angle as claimed in claim 7 is adjustable, it is characterized in that: described simulation wind wheel system comprises reduction gear box and vane simulated device, reduction gear box is arranged on horizontal steady job platform, gearbox drive system comprises step-up gear and main shaft, the front end of reduction gear box is connected with drive motor by shaft coupling I, the output shaft of reduction gear box is connected with vane simulated device by shaft coupling II, vane simulated device and front-end of spindle are rigidly connected, rear-end of spindle is connected with step-up gear by shaft coupling III, generator system comprises generator, the output shaft of step-up gear is connected with generator by shaft coupling IV, described step-up gear, generator is arranged on upper platform.
9. the Wind turbines fault simulation experiment table that inclined installation angle as claimed in claim 8 is adjustable, is characterized in that: described shaft coupling II, shaft coupling IV all adopt diaphragm coupling, and shaft coupling III adopts rigidity expansion set shaft coupling.
10. the Wind turbines fault simulation experiment table that inclined installation angle as claimed in claim 5 is adjustable, is characterized in that: the upper, middle and lower-ranking platform of described horizontal steady job platform and tilt adjustable workbench adopts metal plate or material to be the framework of angle steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520003077.4U CN204330372U (en) | 2015-01-05 | 2015-01-05 | The Wind turbines fault simulation experiment table that a kind of inclined installation angle is adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520003077.4U CN204330372U (en) | 2015-01-05 | 2015-01-05 | The Wind turbines fault simulation experiment table that a kind of inclined installation angle is adjustable |
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| Publication Number | Publication Date |
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| CN204330372U true CN204330372U (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520003077.4U Withdrawn - After Issue CN204330372U (en) | 2015-01-05 | 2015-01-05 | The Wind turbines fault simulation experiment table that a kind of inclined installation angle is adjustable |
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| CN (1) | CN204330372U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535353A (en) * | 2015-01-05 | 2015-04-22 | 湖南科技大学 | Wind turbine generator dynamic characteristic simulation experiment device adjustable in inclination installation angle |
| CN109064939A (en) * | 2018-08-30 | 2018-12-21 | 哈尔滨学院 | Publicity board |
-
2015
- 2015-01-05 CN CN201520003077.4U patent/CN204330372U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535353A (en) * | 2015-01-05 | 2015-04-22 | 湖南科技大学 | Wind turbine generator dynamic characteristic simulation experiment device adjustable in inclination installation angle |
| CN104535353B (en) * | 2015-01-05 | 2017-05-17 | 湖南科技大学 | Wind turbine generator dynamic characteristic simulation experiment device adjustable in inclination installation angle |
| CN109064939A (en) * | 2018-08-30 | 2018-12-21 | 哈尔滨学院 | Publicity board |
| CN109064939B (en) * | 2018-08-30 | 2020-08-07 | 哈尔滨学院 | Propaganda board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150513 Effective date of abandoning: 20170517 |