CN218030455U - Fan complete machine test bed - Google Patents
Fan complete machine test bed Download PDFInfo
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- CN218030455U CN218030455U CN202222507524.2U CN202222507524U CN218030455U CN 218030455 U CN218030455 U CN 218030455U CN 202222507524 U CN202222507524 U CN 202222507524U CN 218030455 U CN218030455 U CN 218030455U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention provides a fan complete machine test bed which is used for a wind generating set complete machine transmission test and comprises a rack, a dragging component and a loading device, wherein the dragging component is arranged on the rack and used for providing torque for a tested unit, the dragging component comprises a power output shaft, the loading device is arranged on the rack and used for providing force and bending moment for a rotating shaft of the tested unit, the loading device comprises a swinging component, a built-in rotating shaft and a loading component, the loading component is connected with the swinging component, the swinging component is provided with a shaft hole, the built-in rotating shaft is rotatably sleeved in the shaft hole, the two axial ends of the built-in rotating shaft are respectively connected with the power output shaft and the rotating shaft of the tested unit, the loading device is used for replacing an impeller of the wind generating set and simulating the impeller to provide force and bending moment for a generator, the occupied space of the impeller is reduced, and the testability of a large megawatt machine type is improved.
Description
Technical Field
The utility model relates to a wind power generation technical field especially relates to a fan complete machine test bench.
Background
With the improvement of the power and the load of the wind generating set, the requirement on the reliability of a fan transmission chain is higher and higher, so that the multi-degree-of-freedom loading becomes an important ring in the field of fan testing in the future. The transmission chain is loaded, and wind load borne by the fan is simulated so as to test the running conditions of components such as a bearing, a gear, a generator and the like in the transmission chain.
SUMMERY OF THE UTILITY MODEL
The main purpose of this disclosure is to provide a fan complete machine test bench to be used for testing the fan complete machine.
In view of the above purpose, the present disclosure provides the following technical solutions:
the invention provides a fan complete machine test bed which is used for a wind generating set complete machine transmission test and comprises a rack, a dragging component and a loading device, wherein the dragging component is arranged on the rack and used for providing torque for a tested unit; the loading device is arranged on the rack and used for providing force and bending moment for a rotating shaft of the tested unit, the loading device comprises a swinging element, a built-in rotating shaft and a loading assembly, the loading assembly is connected with the swinging element, the swinging element is provided with a shaft hole, the built-in rotating shaft is rotatably sleeved in the shaft hole, and the two axial ends of the built-in rotating shaft are respectively connected with the power output shaft and the rotating shaft of the tested unit.
The loading assembly comprises a first loading unit and a second loading unit, the first loading unit can provide radial load in a first direction for a rotating shaft of the unit to be tested, the second loading unit can provide radial load in a second direction for the rotating shaft of the unit to be tested, and the first direction is perpendicular to the second direction.
Optionally, the first loading unit includes a pair of first telescopic cylinders, the pair of first telescopic cylinders are respectively disposed at the top and the bottom of the swinging element, the first telescopic cylinders extend along the radial direction of the rotating shaft of the unit under test, and the first telescopic cylinders are hinged between the rack and the swinging element; the second loading unit comprises a pair of second telescopic cylinders, the second telescopic cylinders are arranged on two sides of the swing element in the horizontal direction, the second telescopic cylinders extend along the radial direction of a rotating shaft of the unit to be tested, the first telescopic cylinders and the second telescopic cylinders are arranged along the circumferential direction of the rotating shaft of the unit to be tested at intervals, and the second telescopic cylinders are hinged to the rack and between the swing elements.
Specifically, the first telescopic cylinder and the second telescopic cylinder are arranged on the same circumference of the rotating shaft of the tested unit.
Further, the loading assembly further comprises a plurality of third loading units, the third loading units can provide axial loads and bending moments extending along the axial direction of the rotating shaft of the tested unit for the rotating shaft of the tested unit, and the third loading units are arranged between the first telescopic cylinder and the second telescopic cylinder along the circumferential direction of the rotating shaft of the tested unit.
In another exemplary embodiment of the present disclosure, an included angle between the third loading unit and the second telescopic cylinder is equal to an included angle between the third loading unit and the first telescopic cylinder.
Optionally, each third loading unit further includes a cantilever extending from the outer peripheral wall of the swing element in a radial direction of the rotating shaft of the unit under test, and a pair of third telescopic cylinders extending parallel to an axis of the rotating shaft of the unit under test and symmetrically disposed at two sides of a radial distal end of the cantilever, and two ends of the third telescopic cylinders are respectively hinged to the cantilever and the rack.
Specifically, the loading device further comprises a fixed frame and a damping assembly, the fixed frame is connected to the rack, the swinging element is movably connected to the fixed frame, and the damping assembly is connected between the fixed frame and the swinging element.
Further, the loading device further comprises a pair of support legs, the pair of support legs are respectively provided with the radial far ends of the two cantilevers at the lower part of the swinging element, and the shock absorption assembly is connected to the support legs.
According to another exemplary embodiment of the present disclosure, the dragging assembly includes a pair of primary motors disposed at an interval, stators of the primary motors are fixed to the frame, and rotors of the primary motors are connected by a film disc coupling.
The fan complete machine test bed provided by the disclosure at least has the following beneficial effects: according to the complete fan test bed, the impeller of the wind generating set is replaced by the loading device, the impeller is simulated to provide force and bending moment for the generator, the occupied space of the impeller is reduced, and therefore the testability of a large megawatt type is improved.
Drawings
The above and/or other objects and advantages of the present disclosure will become more apparent from the following description of the embodiments taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of a complete fan test bed provided in an exemplary embodiment of the present disclosure.
Fig. 2 is a structural view of the loading device in fig. 1.
Fig. 3 is a structure view of a fixing frame of the loading device in fig. 2.
Fig. 4 is a structural diagram of the loading device in fig. 2 with the fixing frame removed.
Description of reference numerals:
1. dragging the component; 2. A loading device;
3. a tested unit; 4. A frame;
21. a fixed mount; 22. A swinging member;
23. a first loading unit; 231. A jacking telescopic cylinder;
232. a bottom telescoping cylinder; 24. A second loading unit;
241. a horizontal left telescoping cylinder; 242. A horizontal right telescoping cylinder;
25. a third loading unit; 251. An axial inner telescopic cylinder;
252. an axially outward extending cylinder; 26. A cantilever;
27. a bearing; 28. A leg;
29. a rotating shaft is arranged inside; 5. A unit support assembly;
51. transferring a tool; 52. A tower drum;
53. heightening and supporting; 54. A foundation support portion.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, it should not be understood that the aspects of the present disclosure are limited to the embodiments set forth herein. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.
With the development of wind power generation technology, large megawatt machines are gradually popular, and how to evaluate and test the large megawatt machines is a technical problem that needs to be solved urgently by technical personnel in the field.
The fan complete machine test bed is used for the complete machine transmission test of the wind generating set, is not influenced by the size of the wind generating set, can be suitable for large megawatt units and common units, and has good universality.
Specifically, the fan complete machine test bed comprises a rack 4, a dragging assembly 1 and a loading device 2, a tested unit 3 is arranged on the rack 4, the dragging assembly 1 is arranged on the rack 4 and used for providing torque for the tested unit 3, and the dragging assembly 1 comprises a power output shaft; the loading device 2 is arranged on the rack 4 and used for providing force and bending moment for a rotating shaft of the unit to be tested 3, the loading device 2 comprises a swinging element 22, a built-in rotating shaft 29 and a loading assembly, the loading assembly is connected to the swinging element 22, the swinging element 22 is provided with a shaft hole, the built-in rotating shaft 29 is rotatably sleeved in the shaft hole, and two axial ends of the built-in rotating shaft 29 are respectively connected with a power output shaft and the rotating shaft of the unit to be tested 3.
Referring to fig. 1, the fan complete machine test bed provided by the disclosure comprises a dragging assembly 1, a tested unit 3 and a loading device 2 arranged between the dragging assembly 1 and the tested unit 3, wherein the loading device 2 can provide force and bending moment for the tested unit 3, so that the tested unit 3 can be close to a normal working condition, and the reliability of evaluation of the tested unit 3 is improved.
Referring to fig. 2 and 3, the loading device 2 includes a fixed frame 21, and the fixed frame 21 has an internal accommodating cavity such that the swinging member 22 is movably disposed in the fixed frame 21. The fixing frame 21 is used for supporting the self weight of the loading device 2, so that the gravity of the swinging element 22 and other components is prevented from acting on the rotating shaft of the tested unit 3 to influence the accuracy of the test result of the tested unit 3, and the test precision of the whole fan test bed is further improved. As an example, the fixing frame 21 may be a gantry, but is not limited thereto.
The swinging element 22 is movably disposed on the fixing frame 21 to provide a force and a bending moment for the rotating shaft of the unit under test 3. The shaft hole of the swinging element 22 is provided with a built-in rotating shaft 29, and both axial ends of the built-in rotating shaft 29 may be connected with the power output shaft and the rotating shaft of the unit under test 3, for example, but not limited to, both ends of the built-in rotating shaft 29 may be provided with end flanges, and both end flanges may be connected with the power output shaft and the rotating shaft flange of the unit under test 3, respectively, but not limited thereto. In addition, in order to improve the applicability of the experiment table, the rotating shaft 29 can also be connected with the rotating shaft of the tested unit 3 through the adapter flange, and different adapter flanges are selected and matched for testing different machine types.
The built-in rotating shaft 29 can be supported in the shaft hole of the swinging element 22 through the bearing 27, in order to prolong the service life of the bearing 27, the bearing 27 can comprise a bearing inner ring and a bearing outer ring, the outer surface of the bearing inner ring is a spherical surface, the inner surface of the bearing outer ring is matched with the outer surface of the bearing inner ring, and the bearing inner ring is matched with the outer surface of the bearing outer ring through the spherical surface between the bearing inner ring and the bearing outer ring to adapt to the service condition of the swinging element 22, so that the service life of the bearing is prolonged, and the test precision of the whole fan test bed is also improved. In addition, the inner surface of the bearing inner race is typically provided with wear pads to form a sliding fit with the built-in shaft 29.
Further, in order to provide a force load to the rotating shaft of the measured unit 3 extending along the radial direction thereof, the loading assembly may include a first loading unit 23 and a second loading unit 24, the first loading unit 23 may provide a radial load to the rotating shaft of the measured unit 3 in a first direction, and the second loading unit 24 may provide a radial load to the rotating shaft of the measured unit 3 in a second direction, where the first direction is perpendicular to the second direction. As an example, the first loading unit 23 and the second loading unit 24 may be disposed on the same circumference of the rotating shaft of the unit under test 3, but not limited thereto, so as to reduce the occupied space of the loading device 2 and improve the space utilization of the entire fan test bed.
As an example, the first direction and the second direction may be selectively set as needed, and are not particularly limited.
According to the impeller loading device, the first loading unit 23 and the second loading unit 24 are matched to provide a force perpendicular to the rotating shaft direction of the tested unit 3, so that the stress condition in the use working condition of the impeller is simulated, and the test reliability is improved.
In this embodiment, the first loading unit 23 may provide a longitudinal radial force to the rotating shaft of the measured unit 3, such as a z-axis acting force in fig. 4. Specifically, the first loading unit 23 includes a pair of first telescopic cylinders, the pair of first telescopic cylinders are respectively disposed at the top and the bottom of the swinging element 22, the first telescopic cylinders extend along the radial direction of the rotating shaft of the unit under test 3, and the first telescopic cylinders are hinged between the frame 4 and the swinging element 22.
Referring to fig. 4, the number of the first telescoping cylinders is two, the first telescoping cylinder located at the top of the rotating shaft of the tested unit 3 may be the top telescoping cylinder 231, the first telescoping cylinder located at the bottom of the rotating shaft of the tested unit 3 may be the bottom telescoping cylinder 232, and the top telescoping cylinder 231 and the bottom telescoping cylinder 232 extend along the z-axis direction, so as to provide a loading force in the z-axis direction to the rotating shaft of the tested unit 3 through the extension of the top telescoping cylinder 231 and the extension of the bottom telescoping cylinder 232. Optionally, the top telescopic cylinder 231 and the bottom telescopic cylinder 232 extend along the longitudinal diameter of the rotating shaft of the tested unit 3, but not limited thereto.
In order to enable the swing element 22 to swing smoothly and avoid the situation that the swing element 22 moves and is jammed in the process that the first telescopic cylinder applies load, two ends of the first telescopic cylinder are respectively hinged to the swing element 22 and the fixed frame 21, so that the swing element 22 can move flexibly, and the operation reliability of the whole fan test bed is improved.
Further, the second loading unit 24 includes a pair of second telescopic cylinders, the pair of second telescopic cylinders are disposed on two sides of the swing element 22 in the horizontal direction, the second telescopic cylinders extend along the radial direction of the rotating shaft of the unit under test 3, the first telescopic cylinders and the second telescopic cylinders are spaced and alternately disposed along the circumferential direction of the rotating shaft of the unit under test 3, and the second telescopic cylinders are hinged between the fixed frame 21 and the swing element 22.
Continuing to refer to fig. 4, the number of the second telescoping cylinders may be two, the two second telescoping cylinders are a horizontal left telescoping cylinder 241 and a horizontal right telescoping cylinder 242, respectively, the second telescoping cylinder located on the left side of the rotating shaft of the tested unit 3 may be the horizontal left telescoping cylinder 241, the second telescoping cylinder located on the right side of the rotating shaft of the tested unit 3 may be the horizontal right telescoping cylinder 242, and the horizontal left telescoping cylinder 241 and the horizontal right telescoping cylinder 242 are arranged in an opposite manner and parallel to the horizontal diameter of the rotating shaft of the tested unit 3.
Through the cooperation of the horizontal left telescopic cylinder 241 and the horizontal right telescopic cylinder 242, a loading force in the horizontal direction, that is, a loading force in the y-axis direction can be provided for the rotating shaft of the tested unit 3.
So, through the cooperation of first telescoping cylinder and second telescoping cylinder, can provide radial force load to the pivot of being surveyed unit 3 to the atress condition in the use operating mode of simulation impeller, with the improvement test reliability.
As an example, in order to avoid the first telescopic cylinder and the second telescopic cylinder from generating an unexpected bending moment, the first telescopic cylinder and the second telescopic cylinder are arranged on the same circumference of the rotating shaft of the unit under test 3, and since the first telescopic cylinder and the second telescopic cylinder respectively extend along the radial direction of the rotating shaft of the unit under test 3, that is, the radial loads provided by the first telescopic cylinder and the second telescopic cylinder to the rotating shaft of the unit under test 3 are in the same plane.
Further, the loading assembly further comprises a third loading unit 25, and the third loading unit 25 is capable of providing an axial load and a bending moment extending along the axial direction of the rotating shaft of the measured unit 3 for the rotating shaft of the measured unit 3. As an example, the third loading unit 25 may be provided in plurality and arranged between the first telescopic cylinder and the second telescopic cylinder along the circumferential direction of the rotating shaft of the unit under test 3, but is not limited thereto. By way of example, the number of the third loading units 25 is 4, and the third loading units are arranged at intervals along the circumferential direction of the rotating shaft of the unit under test 3, but not limited thereto.
As an example, an included angle between the third loading unit 25 and the second telescopic cylinder is equal to an included angle between the third loading unit 25 and the first telescopic cylinder, that is, the third loading unit 25, the first telescopic cylinder and the second telescopic cylinder are disposed on the same circumference of the rotating shaft of the tested unit 3, and the third loading unit 25 is located on an angular bisector of the second telescopic cylinder and the first telescopic cylinder, but not limited thereto.
Each third loading unit 25 includes a cantilever 26 and a pair of third telescopic cylinders, the cantilever 26 extends from the outer peripheral wall of the swinging element 22 along the radial direction of the rotating shaft of the tested unit 3, the third telescopic cylinders extend parallel to the axis of the rotating shaft of the tested unit 3, i.e. the x-axis direction in fig. 4, and are symmetrically arranged at two sides of the radial far end of the cantilever 26, and two ends of the third telescopic cylinders are respectively hinged on the cantilever 26 and the fixed frame 21.
In this embodiment, the loading assembly provides a force and a bending moment for the swinging element 22, so that the force and the bending moment are transmitted to the rotating shaft of the tested unit 3 through the swinging element 22.
As an example, the loading device 2 further comprises a damping assembly, the oscillating element 22 being movably connected to the fixed frame 21, the damping assembly being connected between the fixed frame and the oscillating element 22 to provide a movable support for the oscillating element 22.
Specifically, the loading device 2 further comprises a pair of support legs 28, the pair of support legs 28 are fixed at the radial far ends of the two cantilevers 26 at the lower part of the swinging element 22, and the damping assembly is connected to the support legs 28, so that the swinging element 22 can be stably supported on the damping assembly, and the connection reliability of the whole fan test bed is improved. By way of example, the legs 28 have an attachment surface for attachment to the suspension assembly that may have an area greater than the cross-sectional area of the radially distal end of the suspension arm 26, thereby increasing the contact area with the suspension assembly by providing the legs 28 to improve attachment reliability.
By way of example, but not limitation, the shock absorption assembly provided by the present disclosure may include a shock absorber and an accumulator, the shock absorber may be a hydraulic ram, the accumulator may be a hydraulic accumulator, and the shock absorber and the accumulator may be in communication via a hydraulic line.
Optionally, referring to fig. 1, the dragging assembly 1 includes a pair of primary motors 11 arranged at an interval, stators of the primary motors are fixed on the frame 4, and rotors of the pair of primary motors are connected through a film disc coupler 12, so that the dragging capability of the dragging assembly 1 can be improved, and the good synchronization performance is achieved.
In order to support the tested unit 3 well, the complete fan testing stand provided by this embodiment further includes a unit supporting assembly 5, the unit supporting assembly 5 includes a foundation supporting portion 54, a bed-up support 53, a tower 52 and a transfer tool 51 which are stacked in sequence from bottom to top, wherein the transfer tool 51 is provided with a flange matched with the tested unit 3 so as to be flange-connected with the tested unit 3, thereby fixing the tested unit 3 above the unit supporting assembly 5, wherein the foundation supporting portion 54 is fixed on the frame 4, but not limited thereto. Therefore, according to different switching tools 51 adapted to different tested units, the application range of the complete fan test bed can be enlarged, and the complete fan test bed is suitable for testing different types of wind generating sets.
In this embodiment, an included angle between the rotation axis of the measured unit 3 and the horizontal plane is 3 to 9 °, for example, but not limited to, the included angle may be 6 °, but not limited thereto.
The fan complete machine test bed provided by the disclosure can provide force and bending moment for the rotating shaft of the tested unit 3 through the loading device 2 so as to simulate the static load and dynamic load born by the wind energy absorbed by the impeller of the wind turbine generator, thereby improving the test precision of the fan complete machine test bed. Further, the loading device 2 provided by the disclosure is simple in structure and small in occupied space, and provides possibility for evaluation and test tests of large megawatt units.
The fan complete machine test bed provided by the disclosure can provide radial force, namely, the radial force in the longitudinal direction (z-axis direction) and the radial force in the horizontal direction (y-axis direction), for the rotating shaft of the tested unit 3 through the loading device 2; bending moment can be provided for a rotating shaft of the tested unit 3, namely bending moment around the y-axis direction and bending moment around the z-axis direction can be provided, and torque around the x-axis direction can be provided for the tested unit 3 through the dragging component 1.
In the description of the present disclosure, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience in describing the present disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the present disclosure.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present disclosure, "a plurality" means two or more unless otherwise specified.
In the description of the present disclosure, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, or a communication connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present disclosure can be understood in a specific case to those of ordinary skill in the art.
The described features, structures, or characteristics of the disclosure may be combined in any suitable manner in one or more embodiments. In the above description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.
Claims (11)
1. The utility model provides a fan complete machine test bench which characterized in that for wind generating set complete machine transmission test, fan complete machine test bench includes:
a machine frame (4),
the dragging assembly (1) is arranged on the rack (4) and used for providing torque for the unit to be tested (3), and the dragging assembly (1) comprises a power output shaft;
loading device (2), set up in on frame (4), be used for doing the pivot of surveyed unit (3) provides power and moment of flexure, loading device (2) are including swing component (22), built-in pivot (29) and loading subassembly, the loading subassembly connect in swing component (22), swing component (22) are provided with the shaft hole, built-in pivot (29) rotationally overlap and locate in the shaft hole, the axial both ends of built-in pivot (29) are connected respectively power take off shaft with the pivot of surveyed unit (3).
2. The complete wind turbine test stand according to claim 1, wherein the loading assembly comprises a first loading unit (23) and a second loading unit (24), the first loading unit (23) can provide a radial load in a first direction for a rotating shaft of the unit under test (3), the second loading unit (24) can provide a radial load in a second direction for the rotating shaft of the unit under test (3), and the first direction is perpendicular to the second direction.
3. The fan complete machine test bed as claimed in claim 2, wherein the first loading unit (23) comprises a pair of first telescopic cylinders, the pair of first telescopic cylinders are respectively arranged at the top and the bottom of the swinging element (22), the first telescopic cylinders extend along the radial direction of the rotating shaft of the tested unit (3), and the first telescopic cylinders are hinged between the rack (4) and the swinging element (22);
the second loading unit (24) comprises a pair of second telescopic cylinders, the second telescopic cylinders are arranged on two sides of the horizontal direction of the swing element (22) in a pair mode and extend along the radial direction of a rotating shaft of the tested unit (3), the first telescopic cylinders and the second telescopic cylinders are arranged along the circumferential direction of the rotating shaft of the tested unit (3) at intervals, and the second telescopic cylinders are hinged to the rack (4) and the swing element (22).
4. The complete wind turbine test stand according to claim 3, wherein the first telescoping cylinder and the second telescoping cylinder are arranged on the same circumference of the rotating shaft of the unit under test (3).
5. The complete wind turbine test stand according to claim 3, wherein the loading assembly further comprises a plurality of third loading units (25), the third loading units (25) are capable of providing axial loads and bending moments extending in the axial direction of the rotating shaft of the unit under test (3) for the rotating shaft of the unit under test (3), and the third loading units (25) are arranged between the first telescopic cylinder and the second telescopic cylinder in the circumferential direction of the rotating shaft of the unit under test (3).
6. The test bed for the whole wind turbine as set forth in claim 5, wherein an included angle between the third loading unit (25) and the second telescopic cylinder is equal to an included angle between the third loading unit (25) and the first telescopic cylinder.
7. The complete wind turbine test stand according to claim 5, wherein each third loading unit (25) further comprises a cantilever (26) and a pair of third telescopic cylinders, the cantilever (26) extends from the peripheral wall of the swinging element (22) along the radial direction of the rotating shaft of the tested unit (3), the third telescopic cylinders extend in parallel with the axis of the rotating shaft of the tested unit (3) and are symmetrically arranged at two sides of the radial far end of the cantilever (26), and two ends of the third telescopic cylinders are respectively hinged on the cantilever (26) and the rack (4).
8. The complete blower test stand according to claim 7, wherein the loading device (2) further comprises a fixing frame (21) and a damping component, the fixing frame (21) is connected to the rack (4), the swinging element (22) is movably connected to the fixing frame (21), and the damping component is connected between the fixing frame (21) and the swinging element (22).
9. The complete wind turbine test stand according to claim 8, wherein the loading device (2) further comprises a pair of support legs (28), the pair of support legs (28) are respectively provided with the radial far ends of the two cantilevers (26) at the lower part of the swinging element (22), and the shock absorption assembly is connected to the support legs (28).
10. The complete blower testing stand according to any one of claims 1 to 9, wherein the built-in rotating shaft is supported in a shaft hole of the swinging element (22) through a bearing, the bearing comprises a bearing inner ring and a bearing outer ring, the outer surface of the bearing inner ring is arranged to be spherical, and the inner surface of the bearing outer ring is matched with the outer surface of the bearing inner ring.
11. The complete blower testing stand according to claim 10, wherein the dragging assembly (1) comprises a pair of primary motors (11) arranged at intervals, stators of the primary motors are fixed on the rack (4), and rotors of the primary motors are connected through a membrane disc coupling (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222507524.2U CN218030455U (en) | 2022-09-21 | 2022-09-21 | Fan complete machine test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222507524.2U CN218030455U (en) | 2022-09-21 | 2022-09-21 | Fan complete machine test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218030455U true CN218030455U (en) | 2022-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222507524.2U Active CN218030455U (en) | 2022-09-21 | 2022-09-21 | Fan complete machine test bed |
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| Country | Link |
|---|---|
| CN (1) | CN218030455U (en) |
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2022
- 2022-09-21 CN CN202222507524.2U patent/CN218030455U/en active Active
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Address after: 830026 No. 107, Shanghai Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region Patentee after: Jinfeng Technology Co.,Ltd. Address before: 830026 No. 107, Shanghai Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region Patentee before: XINJIANG GOLDWIND SCIENCE & TECHNOLOGY Co.,Ltd. |