CN217002156U - Electric variable pitch system test platform - Google Patents
Electric variable pitch system test platform Download PDFInfo
- Publication number
- CN217002156U CN217002156U CN202220118260.9U CN202220118260U CN217002156U CN 217002156 U CN217002156 U CN 217002156U CN 202220118260 U CN202220118260 U CN 202220118260U CN 217002156 U CN217002156 U CN 217002156U
- Authority
- CN
- China
- Prior art keywords
- variable pitch
- driving
- loading
- bearing
- fan hub
- 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.)
- Active
Links
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model relates to the technical field of electric variable pitch test, and particularly discloses a test platform of an electric variable pitch system, which comprises a fan hub, a variable pitch bearing arranged on the fan hub, a driving mechanism and a loading mechanism, wherein the driving mechanism and the loading mechanism are respectively in transmission connection with the variable pitch bearing; and the driving mechanism and the loading mechanism are respectively and fixedly connected with the fan hub. The utility model can truly simulate the actual working condition of the variable pitch system and realize the loading test function of the single-drive variable pitch system and the double-drive variable pitch system.
Description
Technical Field
The utility model relates to the technical field of electric variable pitch system testing, in particular to a test platform of an electric variable pitch system.
Background
Wind power generation is an important component of green energy and is an important means for realizing the 3060 target in China. The variable pitch system is one of core control systems of the wind generating set, and directly relates to the overall generating efficiency of a fan and the safety of the set. At present, the wind power industry is in rapid development, various novel pitch control systems are continuously developed, and in order to ensure the safety and reliability of the newly developed pitch control systems, the systems need to be subjected to rigorous and complete tests.
At present, each manufacturer basically has a self variable pitch system test platform, but a loading test is realized through a simple support or a connecting shaft system, the test platform is far away from the actual working condition of the system, the support of the test platform is too light, the rigidity is insufficient, the vibration of the whole platform is very large under the interaction between driving force and loading force during the test, and the performance of the system is difficult to completely verify.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a test platform of an electric variable pitch system; the utility model can truly simulate the actual working condition of the variable pitch system and realize the loading test function of the single-drive variable pitch system and the double-drive variable pitch system.
The technical problem to be solved by the utility model is as follows:
a test platform of an electric variable pitch system comprises a fan hub, a variable pitch bearing arranged on the fan hub, a driving mechanism and a loading mechanism, wherein the driving mechanism and the loading mechanism are respectively in transmission connection with the variable pitch bearing; and the driving mechanism and the loading mechanism are respectively and fixedly connected with the fan hub.
The utility model can effectively realize the real working state of the wind driven generator by adopting the matching of the fan hub with the same structural size as the hub of the wind driven generator and the variable-pitch bearing, and can realize the performance test of the variable-pitch system in the real working state by controlling the driving mechanism and the loading mechanism.
In some possible embodiments, the pitch bearing includes a bearing outer ring fixedly connected to the fan hub, and a bearing inner ring drivingly connected to the bearing outer ring, and the bearing inner ring is drivingly connected to the driving mechanism and the loading mechanism, respectively.
In some possible embodiments, to effectively simulate pitch;
the driving mechanism comprises a driving support arranged on the fan hub, a driving speed reducer arranged on the driving support and in transmission connection with the bearing inner ring, and a driving motor in transmission connection with the driving speed reducer.
In some possible embodiments, in order to effectively realize the performance test of the single-drive system or the double-drive system;
the driving speed reducers are one or two groups, and the driving motors are arranged in one-to-one correspondence with the driving speed reducers.
In some possible embodiments, in order to effectively realize the meshing of the driving speed reducer and the bearing inner ring;
the driving speed reducer is provided with a loading gear meshed with the bearing inner ring.
In some possible embodiments, in order to effectively realize the installation of the driving mechanism and the support of the driving mechanism, the test is more stable;
the driving support comprises a mounting plate connected with the fan hub and a supporting structure which is connected with the mounting plate and extends into the fan hub to be abutted with the boss in the fan hub.
In some possible embodiments, the mounting plate can simulate the mounting position under the real working condition in order to effectively realize the mounting;
the mounting plate is connected with the bearing outer ring.
In some possible embodiments, the indexing mechanism applies a load to the inner race of the gear in order to be effective;
the loading mechanism comprises a loading speed reducer which is arranged in the fan hub and is in transmission connection with the bearing inner ring, and a loading motor which is in transmission connection with the loading speed reducer.
In some possible embodiments, in order to effectively realize the transmission of the loading speed reducer and the bearing inner ring;
the loading speed reducer is provided with a loading gear meshed with the bearing inner ring.
Compared with the prior art, the utility model has the beneficial effects that:
the fan hub with the structure consistent with that of the wind driven generator hub is arranged, so that the weight and the rigidity are large, the problem of platform vibration during testing is well solved, and the testing is more stable;
according to the utility model, the fan hub and the variable-pitch bearing are matched to form the test platform, so that the real working state can be completely simulated, and the test is more accurate;
according to the utility model, one or two groups of driving mechanisms are matched with the loading mechanism, so that the performance test of single-drive variable pitch and double-drive variable pitch can be effectively realized;
the utility model has simple structure and strong practicability.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a schematic view of the driving bracket according to the present invention;
wherein: 1. a fan hub; 2. a pitch bearing; 21. a bearing inner race; 22. a bearing outer race; 3. a drive bracket; 31. mounting a plate; 32. a support structure; 4. a drive motor; 5. driving a speed reducer; 6. loading a motor; 7. and loading the speed reducer.
Detailed Description
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; either directly or indirectly through intervening media, either internally or in any other relationship. Reference herein to "first," "second," and similar words, does not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. In the implementation of the present application, "and/or" describes an association relationship of associated objects, which means that there may be three relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In the description of the embodiments of the present application, the meaning of "a plurality" means two or more unless otherwise specified. For example, the plurality of positioning posts refers to two or more positioning posts. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The present invention will be described in detail below.
As shown in fig. 1-4:
a test platform of an electric variable pitch system comprises a fan hub 1, a variable pitch bearing 2 arranged on the fan hub 1, a driving mechanism and a loading mechanism, wherein the driving mechanism and the loading mechanism are respectively in transmission connection with the variable pitch bearing 2; the driving mechanism and the loading mechanism are respectively and fixedly connected with the fan hub 1.
The utility model can effectively realize the real working state of the wind driven generator by adopting the matching of the fan hub 1 with the same structural size as the hub of the wind driven generator and the variable-pitch bearing 2, and can realize the performance test of the variable-pitch system in the real working state by controlling the driving mechanism and the loading mechanism.
During testing, the driving mechanism and the loading mechanism exert opposite acting forces on the pitch bearing 2.
In some possible embodiments, the pitch bearing 2 includes a bearing outer ring 22 fixedly connected to the fan hub 1, and a bearing inner ring 21 drivingly connected to the bearing outer ring 22, and the bearing inner ring 21 is drivingly connected to the driving mechanism and the loading mechanism, respectively.
The bearing outer ring 22 is fixedly connected with a bearing mounting hole on the fan hub 1, and the bearing inner ring 21 is coaxial with the bearing outer ring 22 and is rotationally connected with the outer side of the bearing; the matching mode of the hub and the bearing on the wind driven generator is the same and the structure of the hub and the bearing is consistent; thus, the simulated working state is more real; when testing, the tested data are more accurate.
In some possible embodiments, to effectively simulate pitch;
the driving mechanism comprises a driving support 3 arranged on the fan hub 1, a driving speed reducer 5 arranged on the driving support 3 and in transmission connection with the bearing inner ring 21, and a driving motor 4 in transmission connection with the driving speed reducer 5.
The driving bracket 3 is used for mounting a driving speed reducer 5 so that the driving speed reducer can be in transmission connection with the bearing inner ring 21; and realizing variable pitch simulation.
Preferably, the axis of the drive reducer 5 and the axis of the bearing inner race 21 are parallel to each other.
In some possible embodiments, in order to effectively realize the performance test of the single-drive system or the double-drive system;
the driving speed reducers 5 are one group or two groups, and the driving motors 4 are arranged in one-to-one correspondence with the driving speed reducers 5.
When the single-drive variable pitch test is carried out, only one group of driving speed reducers 5 and one group of driving motors 4 matched with the driving speed reducers 5 need to be installed;
when the double-drive variable pitch test is carried out, two groups of drive speed reducers 5 and two groups of drive motors 4 respectively matched with the drive speed reducers 5 need to be installed; the two groups of driving motors 4 synchronously move to control the two groups of driving speed reducers 5 to synchronously and equidirectionally move, so that double-driving variable pitch driving is realized;
it should be noted that, no matter single-drive pitch drive or double-drive pitch drive is performed, the rotation directions of the loading mechanism and the drive speed reducer 5 are opposite, so that the loading mechanism applies load to the bearing inner ring 21.
In some possible embodiments, in order to effectively achieve the engagement of the drive reducer 5 with the bearing inner race 21;
the driving speed reducer 5 is provided with a loading gear engaged with the bearing inner ring 21.
In some possible embodiments, in order to effectively realize the installation of the driving mechanism and the support of the driving mechanism, the test is more stable;
the driving support 3 comprises a mounting plate 31 connected with the fan hub 1 and a supporting structure 32 connected with the mounting plate 31 and extending into the fan hub 1 to abut against the boss in the fan hub 1.
Specifically, the output end of the driving speed reducer 5 penetrates through the mounting plate 31 to be in transmission connection with the bearing inner ring 21.
The fan hub 1 is consistent with the hub structure of the wind motor in size, and the internal structure of the fan hub is also the same; in order to ensure that the test is more stable when the driving speed reducer 5 works; the supporting structure 32 is matched and abutted with the boss in the fan hub 1, the mounting plate 31 is vertically connected with the supporting structure 32, and the fan hub 1 is fixedly connected with the supporting structure 32, so that the driving support 3 forms a stable supporting structure 32; adding support to the drive mechanism.
In some possible embodiments, in order to effectively realize that the mounting plate 31 can simulate the mounting position under the real working condition;
the mounting plate 31 is connected to the bearing cup 22.
Specifically, the mounting plate 31 is connected to the bearing outer race 22 by bolts.
In some possible embodiments, the load is applied to the inner ring of the shaft tooth by the recording mechanism for effective realization;
the loading mechanism comprises a loading speed reducer 7 which is arranged in the fan hub 1 and is in transmission connection with the bearing inner ring 21, and a loading motor 6 which is in transmission connection with the loading speed reducer 7.
During loading, the loading motor 6 drives the loading speed reducer 7, controls the rotation direction of the loading speed reducer 7 to be opposite to the rotation direction of the driving speed reducer 5, and realizes that the loading speed reducer 7 applies load to the bearing inner ring 21.
In some possible embodiments, in order to effectively realize the transmission of the load reducer 7 and the bearing inner ring 21;
the loading speed reducer 7 is provided with a loading gear engaged with the bearing inner ring 21.
In the utility model, two driving mechanisms can be arranged on the driving bracket 3, the driving force applied by the driving mechanism and the loading force applied by the loading mechanism are directly acted on the bearing inner ring 21 through the gear (driving gear or loading gear), the transmission path of the force is short, and the action is more stable and effective.
The utility model is not limited to the foregoing embodiments. The utility model extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of steps disclosed.
Claims (9)
1. A test platform of an electric variable pitch system is characterized by comprising a fan hub, a variable pitch bearing arranged on the fan hub, a driving mechanism and a loading mechanism, wherein the driving mechanism and the loading mechanism are respectively in transmission connection with the variable pitch bearing; and the driving mechanism and the loading mechanism are respectively and fixedly connected with the fan hub.
2. The electric variable pitch system test platform according to claim 1, wherein the variable pitch bearing comprises a bearing outer ring fixedly connected with a fan hub and a bearing inner ring in transmission connection with the bearing outer ring, and the bearing inner ring is in transmission connection with the driving mechanism and the loading mechanism respectively.
3. The electric variable pitch system test platform according to claim 2, wherein the driving mechanism comprises a driving support arranged on a hub of the fan, a driving speed reducer arranged on the driving support and in transmission connection with the inner ring of the bearing, and a driving motor in transmission connection with the driving speed reducer.
4. The electric variable pitch system test platform according to claim 3, wherein the driving speed reducers are one or two groups, and the driving motors are arranged in one-to-one correspondence with the driving speed reducers.
5. The electric variable pitch system test platform according to claim 3, wherein the driving speed reducer is provided with a loading gear engaged with the bearing inner ring.
6. The electric variable pitch system test platform according to claim 3, wherein the driving support comprises a mounting plate connected with the fan hub, and a support structure connected with the mounting plate and extending into the fan hub to abut against a boss in the fan hub.
7. The electric variable pitch system test platform of claim 6, wherein the mounting plate is connected with a bearing outer ring.
8. The electric variable pitch system test platform according to claim 2, wherein the loading mechanism comprises a loading speed reducer installed in the fan hub and in transmission connection with the bearing inner ring, and a loading motor in transmission connection with the loading speed reducer.
9. The electric variable pitch system test platform according to claim 8, wherein the loading speed reducer is provided with a loading gear engaged with the bearing inner ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220118260.9U CN217002156U (en) | 2022-01-17 | 2022-01-17 | Electric variable pitch system test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220118260.9U CN217002156U (en) | 2022-01-17 | 2022-01-17 | Electric variable pitch system test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217002156U true CN217002156U (en) | 2022-07-19 |
Family
ID=82392169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220118260.9U Active CN217002156U (en) | 2022-01-17 | 2022-01-17 | Electric variable pitch system test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217002156U (en) |
-
2022
- 2022-01-17 CN CN202220118260.9U patent/CN217002156U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8758184B2 (en) | Transmission test system | |
| CN102353534A (en) | Fault simulation experiment table for step-up drive system of wind-driven generator set | |
| CN109708883A (en) | A kind of electrically driven (operated) duty testing device of empennage of helicopter and control method | |
| CN205785808U (en) | Wind power generation gear case fault diagnosis simulated experiment platform | |
| CN111994301A (en) | Helicopter transmission system test device and system | |
| CN210465632U (en) | Multi-working-condition simulation test device based on multi-shaft input type double-rotor motor | |
| CN217002156U (en) | Electric variable pitch system test platform | |
| CN215933015U (en) | Teaching experiment system for GTF engine simulating unbalance of windmill | |
| CN107144427B (en) | Worm gear driver life test device | |
| Musial et al. | Wind turbine testing in the NREL dynamometer test bed | |
| CN110108480B (en) | Universal coupling diesel engine transmission system vibration mechanism research test bed and method | |
| CN115508091B (en) | Wind generating set main shaft, driftage, change oar bearing capability test platform | |
| CN213874950U (en) | Test device for bevel gear of aircraft engine | |
| CN109941457A (en) | A kind of electrically driven (operated) duty testing device of empennage of helicopter and control method | |
| CN115031958A (en) | New energy gearbox offline test clamp, equipment and method | |
| CN113092107B (en) | Test bench for oil-electricity hybrid power gearbox | |
| CN112816193B (en) | Variable load endurance test device and test method for electric control actuator | |
| CN114295266A (en) | Dynamic impact torque simulation test bench and use method thereof | |
| CN109708876B (en) | Loading test device of drum type filter screen speed reduction driving device | |
| CN110632518A (en) | Double-drive variable pitch test platform | |
| CN219119383U (en) | Variable pitch opposite-dragging testing device for wind turbine | |
| CN112082788A (en) | Variable inertia follow-up large-load simulation test device of thrust vector servo mechanism | |
| CN110617961A (en) | Gearbox running-in device | |
| CN220849902U (en) | Electric drive integrated jigger equipment | |
| CN214251498U (en) | Variable load endurance testing device for electric control actuator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |