CN203069373U - Testing machine of wind power generation yaw system - Google Patents
Testing machine of wind power generation yaw system Download PDFInfo
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- CN203069373U CN203069373U CN 201320080329 CN201320080329U CN203069373U CN 203069373 U CN203069373 U CN 203069373U CN 201320080329 CN201320080329 CN 201320080329 CN 201320080329 U CN201320080329 U CN 201320080329U CN 203069373 U CN203069373 U CN 203069373U
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Abstract
The utility model discloses a testing machine of a wind power generation yaw system. The testing machine comprises a fixed base, connecting cylinders rotatably assembled on the fixed base and extending up and down along an axial direction, a yawing driving device providing rotary power for the connecting cylinders, and a simulating handpiece used to simulate working codition of a simulating wind driven generator handpiece and disposed on an upper end of the connecting cylinders in a support manner. The simulating handpiece rotatably cooperates with the connecting cylinders and is static relative to the fixed base. The simulating handpiece is provided with a brake installation portion, and the brake installation portion is used to fix and install a to-be-tested yawing brake whose installation axis extends along an up-and-down direction. The connecting cylinders are correspondingly provided with a brake disc installation portion used to match with the to-be-tested brake. The simulating handpiece is provided with a load applying device used to simulate gravitational load of a generator on a wind wheel. The testing machine can detect working conditions of the yawing brake in a process of a yawing test, and the testing machine adjusts the yawing brake when a certain working condition goes wrong, thereby ensuring vibration, voice, and other problems of the brake are eliminated before the brakes leave factories.
Description
Technical field
The utility model relates to a kind of testing machine of wind power generation yaw system, belongs to technical field of wind power generation.
Background technology
Yaw system plays an important role in wind power generating set, the control system of yaw system and aerogenerator cooperatively interacts, when change of the wind, yaw system drives the rotation of wind-power electricity generation machine head makes the wind wheel of aerogenerator be in state down with the wind, thereby takes full advantage of wind energy to improve the generating efficiency of wind power generating set; After wind wheel was in the state of facining the wind, the wind-power electricity generation machine head need be in locking state and rotate to prevent head, thereby guarantees the aerogenerator safe operation.Wind-power electricity generation machine head of the prior art is by directly moving detent realization driftage and locking of hydraulic pressure, the principle of work of yaw system is as follows: when change of the wind wind-power electricity generation machine head need be gone off course rotation, directly move the hydraulic oil of the logical low-pressure of detent to hydraulic pressure, make detent keep less clamping force to clamp brake disc, allow the driftage that aerogenerator can be stable under this clamping force rotate; When wind-power electricity generation machine head drive wind wheel rotates to the position that facings the wind, directly move the hydraulic oil that detent leads to high pressure to hydraulic pressure, make detent clamp brake disc by producing bigger clamping force, make the maintenance of wind-power electricity generation machine head static.When the wind-power electricity generation machine head rotates and be static in driftage, need brake bush and brake disc repeated friction, so just be easy to generate abnormal sound and vibration.When these situations occurring, just need to consume a large amount of human and material resources and go to keep in repair wind power generating set, so just have a strong impact on the normal use of wind power generating set.
Summary of the invention
The purpose of this utility model is to provide a kind of testing machine of wind power generation yaw system, the operating mode of simulation aerogenerator when driftage rotation and detent braking, detect the operating position of off-course brake, guarantee that off-course brake eliminates problems such as abnormal sound, vibration before dispatching from the factory.
For achieving the above object, the utility model adopts following technical scheme: the testing machine of wind power generation yaw system, comprise firm banking and rotate and be assemblied on the firm banking, the connecting cylinder that axis extends along the vertical direction and the deviation drive device that rotary power is provided for connecting cylinder, the simulation head that is provided with for simulation wind-power electricity generation machine head operating mode is supported in the connecting cylinder upper end, this simulation head and connecting cylinder are rotatably assorted, relative with firm banking static, the simulation head is provided with the detent installation portion of the off-course brake to be tested that extends along the vertical direction for the fixed installation axis, on the connecting cylinder corresponding be provided with for the brake disc installation portion of the supporting brake disc of off-course brake to be tested, the simulation head is provided with the load bringing device for generator gravity load on the simulation wind wheel.
Described load bringing device comprises the piston cylinder that is fixedly installed on the described firm banking, and the piston rod of this piston cylinder is hinged on the simulation head.
Described connecting cylinder rotates by first slewing bearing and is assemblied on the firm banking, and the inner ring of first slewing bearing is fixedlyed connected with firm banking, fixedly connected with connecting cylinder in the outer ring; Described simulation head rotates by second slewing bearing that is arranged on the connecting cylinder upper end and is assemblied on the connecting cylinder, and the inner ring of second slewing bearing is fixedlyed connected with the simulation head, fixedly connected with connecting cylinder in the outer ring.
Described deviation drive device is to be fixedly installed on the yaw motor of simulation on the head, and the driving gear of this yaw motor by being arranged on the yaw motor output terminal cooperates with meshed transmission gear on being arranged on the second slewing bearing outer ring.
Firm banking of the present utility model is equivalent to the pylon of wind power generating set, connecting cylinder is equivalent to the tower tube of wind power generating set, the simulation head is equivalent to the head of aerogenerator, when carrying out yawing test, respectively off-course brake and supporting brake disc are installed on the corresponding installation portion, connecting cylinder rotates under the driving of deviation drive device, drive the brake disc rotation in the time of the connecting cylinder rotation in order to simulate the driftage process of aerogenerator, the load bringing device applies the simulation load of simulation generator gravity to the simulation head, make the simulation head keep relative with firm banking static, clamp in the process of brake disc at detent, can be by being arranged on the temperature sensor on the testing machine, pressure transducer, sound transducer and speed pickup are respectively with the temperature on brake disc and the detent, pressure, the signal of operating mode such as sound and speed is delivered to computing machine, detect the working condition of off-course brake, when a certain operating mode goes wrong, can adjust off-course brake, guarantee that detent eliminates vibration and problem such as noise before dispatching from the factory.And testing machine of the present utility model can also be tested the friction disc of detent, is used for the novel friction disc of development.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Embodiment
As shown in Figure 1, a kind of embodiment of the testing machine of the utility model wind power generation yaw system, comprise firm banking 1 and rotate and be assemblied on the firm banking 1, the connecting cylinder 2 that axis extends along the vertical direction and the deviation drive device that rotary power is provided for connecting cylinder 2, the simulation head 3 that is provided with for simulation wind-power electricity generation machine head operating mode is supported in connecting cylinder 2 upper ends, the deviation drive device of present embodiment is the yaw motor 4 that is fixedly installed on the simulation head 3, this simulation head 3 is rotatably assorted with connecting cylinder 2, relative static with firm banking 1, simulation head 3 is provided with the detent installation portion of the off-course brake to be tested 5 that extends along the vertical direction for the fixed installation axis, on the connecting cylinder 2 corresponding be provided with for the brake disc installation portion of the supporting brake disc 6 of off-course brake to be tested, simulation head 3 is provided with the load bringing device for generator gravity load on the simulation wind wheel; The load bringing device comprises the piston cylinder that is fixedly installed on the described firm banking 1, the piston cylinder of present embodiment is hydraulic jack 7, the piston rod of hydraulic jack 7 is hinged with the loading arm 8 that is arranged on the simulation head, fixedlys connected with firm banking 1 in the bottom of hydraulic jack 7.The connecting cylinder 2 of present embodiment rotates by first slewing bearing 10 and is assemblied on the firm banking 1, and the inner ring of first slewing bearing 10 is fixedlyed connected with firm banking 1, fixedly connected with connecting cylinder 2 in the outer ring; Simulation head 3 rotates by second slewing bearing 9 that is arranged on connecting cylinder 2 upper ends and is assemblied on the connecting cylinder 2, the inner ring of second slewing bearing 9 is fixedlyed connected with simulation head 3, the outer ring fixedlys connected with connecting cylinder 2, and the driving gear of yaw motor 4 by being arranged on the yaw motor output terminal cooperates with meshed transmission gear on being arranged on second slewing bearing, 9 outer rings.
The firm banking 1 of present embodiment is equivalent to the pylon of wind power generating set, connecting cylinder 2 is equivalent to the tower tube of wind power generating set, simulation head 3 is equivalent to the head of aerogenerator, when carrying out yawing test, respectively off-course brake 5 and supporting brake disc 6 are installed on the corresponding installation portion, connecting cylinder 2 rotates under the driving of yaw motor 4, drive brake disc 6 rotations in the time of connecting cylinder 2 rotations in order to simulate the driftage process of aerogenerator, 7 pairs of simulations of hydraulic jack head 3 applies the simulation load of simulation generator gravity, make simulation head 3 keep relative static with firm banking 1, clamp in the process of brake disc 6 at off-course brake 5, can be by being arranged on the temperature sensor on the testing machine, pressure transducer, sound transducer and speed pickup are respectively with the temperature on brake disc and the detent, pressure, the signal of operating mode such as sound and speed is delivered to computing machine, detect the working condition of off-course brake, when a certain operating mode goes wrong, can adjust off-course brake, guarantee that detent eliminates vibration and problem such as noise before dispatching from the factory.And testing machine of the present utility model can also be tested the friction disc of detent, is used for the novel friction disc of development.
In other embodiment of the present utility model, also the piston cylinder that applies simulation load to the simulation head can be replaced with balancing weight, this balancing weight is installed in the position of generator on the simulation head in use; Piston cylinder can not adopt the form of hydraulic jack, also can adopt Electrohydraulic push rod or cylinder.
In other embodiment of the present utility model, yaw motor can not be arranged on the simulation head and cooperate with the second slewing bearing transmission, also can be arranged on the firm banking to cooperate with the first slewing bearing transmission.
In other embodiment of the present utility model, the driving gear of yaw motor can not adopt the structure that cooperates with meshed transmission gear on the second slewing bearing outer ring, also can adopt the structure that cooperates with meshed transmission gear on the second slewing bearing inner ring, this moment the inner ring of second slewing bearing fixedly connected with connecting cylinder, the outer ring is fixedly connected in simulating head.
In other embodiment of the present utility model, first slewing bearing also can adopt the structure that fixedly connected with firm banking in the outer ring, inner ring is fixedlyed connected with connecting cylinder.
In other embodiment of the present utility model, deviation drive device can not adopt motor, also can adopt moment of torsion output units such as oil motor.
Claims (4)
1. the testing machine of wind power generation yaw system, it is characterized in that: it comprises that firm banking and rotation are assemblied on the firm banking, the connecting cylinder that axis extends along the vertical direction and the deviation drive device that rotary power is provided for connecting cylinder, the simulation head that is provided with for simulation wind-power electricity generation machine head operating mode is supported in the connecting cylinder upper end, this simulation head and connecting cylinder are rotatably assorted, relative with firm banking static, the simulation head is provided with the detent installation portion of the off-course brake to be tested that extends along the vertical direction for the fixed installation axis, on the connecting cylinder corresponding be provided with for the brake disc installation portion of the supporting brake disc of detent to be tested, the simulation head is provided with the load bringing device for generator gravity load on the simulation wind wheel.
2. the testing machine of wind power generation yaw system according to claim 1, it is characterized in that: described load bringing device comprises the piston cylinder that is fixedly installed on the described firm banking, the piston rod of this piston cylinder is hinged on the simulation head.
3. the testing machine of wind power generation yaw system according to claim 1 and 2, it is characterized in that: described connecting cylinder rotates by first slewing bearing and is assemblied on the firm banking, and the inner ring of first slewing bearing is fixedlyed connected with firm banking, fixedly connected with connecting cylinder in the outer ring; Described simulation head rotates by second slewing bearing that is arranged on the connecting cylinder upper end and is assemblied on the connecting cylinder, and the inner ring of second slewing bearing is fixedlyed connected with the simulation head, fixedly connected with connecting cylinder in the outer ring.
4. the testing machine of wind power generation yaw system according to claim 3, it is characterized in that: described deviation drive device is to be fixedly installed on the yaw motor of simulation on the head, and the driving gear of this yaw motor by being arranged on the yaw motor output terminal cooperates with meshed transmission gear on being arranged on the second slewing bearing outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320080329 CN203069373U (en) | 2013-02-21 | 2013-02-21 | Testing machine of wind power generation yaw system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320080329 CN203069373U (en) | 2013-02-21 | 2013-02-21 | Testing machine of wind power generation yaw system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203069373U true CN203069373U (en) | 2013-07-17 |
Family
ID=48768147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320080329 Expired - Fee Related CN203069373U (en) | 2013-02-21 | 2013-02-21 | Testing machine of wind power generation yaw system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203069373U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547672A (en) * | 2015-12-16 | 2016-05-04 | 太原重工股份有限公司 | Integrated tester for wind turbine generator system |
| CN111562104A (en) * | 2020-04-23 | 2020-08-21 | 广东水电二局股份有限公司 | Detection and maintenance method for yaw hydraulic caliper disc brake |
| CN112668124A (en) * | 2021-01-04 | 2021-04-16 | 上海电气风电集团股份有限公司 | Method and device for determining limit design load of wind generating set and computer readable storage medium |
-
2013
- 2013-02-21 CN CN 201320080329 patent/CN203069373U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547672A (en) * | 2015-12-16 | 2016-05-04 | 太原重工股份有限公司 | Integrated tester for wind turbine generator system |
| CN105547672B (en) * | 2015-12-16 | 2017-10-13 | 太原重工股份有限公司 | Wind turbines combined test apparatus |
| CN111562104A (en) * | 2020-04-23 | 2020-08-21 | 广东水电二局股份有限公司 | Detection and maintenance method for yaw hydraulic caliper disc brake |
| CN111562104B (en) * | 2020-04-23 | 2022-04-15 | 广东水电二局股份有限公司 | Detection and maintenance method for yaw hydraulic caliper disc brake |
| CN112668124A (en) * | 2021-01-04 | 2021-04-16 | 上海电气风电集团股份有限公司 | Method and device for determining limit design load of wind generating set and computer readable storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Testing machine of wind power generation yaw system Effective date of registration: 20190228 Granted publication date: 20130717 Pledgee: Jiaozuo CTS bank Limited by Share Ltd. Pledgor: JIAOZUO RETHEL DISC BRAKES Co.,Ltd. Registration number: 2019410000005 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191104 Granted publication date: 20130717 Pledgee: Jiaozuo CTS bank Limited by Share Ltd. Pledgor: JIAOZUO RETHEL DISC BRAKES Co.,Ltd. Registration number: 2019410000005 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Testing machine of wind power generation yaw system Effective date of registration: 20191108 Granted publication date: 20130717 Pledgee: Jiaozuo CTS bank Limited by Share Ltd. Pledgor: JIAOZUO RETHEL DISC BRAKES Co.,Ltd. Registration number: Y2019980000544 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200902 Granted publication date: 20130717 Pledgee: Jiaozuo CTS bank Limited by Share Ltd. Pledgor: JIAOZUO RETHEL DISC BRAKES Co.,Ltd. Registration number: Y2019980000544 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 |
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| CF01 | Termination of patent right due to non-payment of annual fee |