CN216342585U - Fan foundation dynamic response analysis device under wind load - Google Patents
Fan foundation dynamic response analysis device under wind load Download PDFInfo
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- CN216342585U CN216342585U CN202122945182.8U CN202122945182U CN216342585U CN 216342585 U CN216342585 U CN 216342585U CN 202122945182 U CN202122945182 U CN 202122945182U CN 216342585 U CN216342585 U CN 216342585U
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Abstract
The utility model relates to the field of fan testing, and discloses a fan foundation dynamic response analysis device under wind load, aiming at the problem of the fan foundation dynamic response analysis device in the prior art, the utility model provides the following scheme, which comprises a base, a fixed frame arranged at the top of the base and an air blower arranged in the fixed frame, wherein the top surface of the base is provided with a fixed hole and two positioning holes, a lifting column capable of moving up and down is arranged in the fixed hole, the top of the lifting column is rotatably connected with a placing plate, the top of the placing plate is provided with a fixing mechanism for fixing a fan, the bottom surface of the placing plate is fixedly provided with two positioning columns, and the bottoms of the two positioning columns are respectively clamped in the two positioning holes. The wind power generation device is reasonable in structure, can conveniently change the orientation of the fan when the vehicle is in, is convenient for a tester to operate, and is easy to popularize and use.
Description
Technical Field
The utility model relates to the field of fan testing, in particular to a fan foundation dynamic response analysis device under wind load.
Background
The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The fan may be influenced by the external environment when working, and especially under the action of wind, the output power of the fan is influenced to a certain extent. In order to ensure the stability of the working state of the fan, the basic power of the fan needs to be analyzed and tested, and a certain voltage and current are input into the fan to judge the state of the fan, under which the fan can be normally started, so that the working condition of the fan under the action of different wind loads is obtained. But current fan basis power analysis device when using, is inconvenient to adjust the orientation of fan to lead to dismantling the fan earlier from analytical equipment when the condition that test downwind and headwind are, then fix after turning the direction again, thereby can be more troublesome, also influenced the efficiency of test, for this reason, this scheme has designed a fan basis power under the wind load and has responded analytical equipment.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wind turbine foundation dynamic response analysis device under wind load, which solves the problem of the wind turbine foundation dynamic response analysis device in the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a fan foundation dynamic response analysis device under wind load comprises a base, a fixed frame arranged on the top of the base and a blower arranged in the fixed frame, the top surface of the base is provided with a fixing hole and two positioning holes, a lifting column capable of moving up and down is arranged in the fixing hole, the top of the lifting column is rotationally connected with a placing plate, the top of the placing plate is provided with a fixing mechanism for fixing a fan, two positioning columns are fixed on the bottom surface of the placing plate, the bottoms of the two positioning columns are respectively clamped in the two positioning holes, one side of the fixing hole is provided with an installation groove, a rotating shaft is rotationally connected in the installation groove, one end of the rotating shaft is connected to the outside of the base, a gear is sleeved outside the rotating shaft, the lifting column is close to and has seted up a plurality ofly on one side outer wall of mounting groove with gear engagement's tooth's socket, the socket is installed to the base top surface, install the PLC controller even with socket and air-blower electricity on the fixed frame outer wall.
Preferably, the fixing mechanism comprises two fixing plates which are fixed at the top of the placing plate in parallel, a through hole is formed in one fixing plate, a locking bolt is connected to the top of the fixing plate in a threaded mode, a connecting column is movably arranged in the through hole, one end of the connecting column extends between the two fixing plates and is fixed with a pressing plate, the other end of the connecting column extends to the outer side of the fixing plate and is fixed with a stop block, and one end of the locking bolt extends into the through hole and is abutted to the top face of the connecting column.
Preferably, a fixed column is fixed at the bottom of the fixed hole, a connecting hole is formed in the bottom of the lifting column, the top of the fixed column extends into the connecting hole and is fixed with a spring, and the other end of the spring is fixedly connected with the inner wall of the top of the connecting hole.
Preferably, the connecting holes and the through holes are rectangular holes, the outer wall of the connecting column is matched with the through holes, and the outer wall of the fixing column is matched with the connecting holes.
Preferably, the two positioning holes are respectively located at two sides of the fixing hole, and the distance between the two positioning holes and the fixing hole is the same.
Preferably, an adjusting handle is fixed at one end of the rotating shaft, which is positioned outside the base.
Preferably, the input end of the socket is electrically connected with the output end of the PLC controller, and the input end of the blower is electrically connected with the output end of the PLC controller.
Preferably, the top of base all is fixed with two parallel arrangement's curb plate, and the curb plate adopts transparent glass steel preparation, and two curb plates are located the both sides of placing the board and set up perpendicularly with one side at fixed frame place.
In the utility model:
1. through air-blower, PLC controller, socket, place the cooperation between board and the fixed establishment, can conveniently fix the fan on placing the board, then start the air-blower and blow to the fan, then required current and voltage judges the relevant data of the corresponding power of basis of fan under the wind load when starting according to the fan.
2. When the orientation of fan needs to be changed for when changeing between the downwind direction and the upwind direction, only need anticlockwise rotation pivot, just can lift up the lift post, withdraw from locating hole outside back when the locating column, just can rotate and place the board, then will place the board after changing the orientation with the fan and put down again, make the locating column block again into the locating hole can.
The wind power generation device is reasonable in structure, ingenious in design and simple in operation, can conveniently change the orientation of the fan when a vehicle is in, is convenient for a tester to operate, and is easy to popularize and use.
Drawings
Fig. 1 is a front cross-sectional view of the present invention.
Fig. 2 is an enlarged view of a point a in fig. 1.
Fig. 3 is a front view of the present invention.
Fig. 4 is a top view of the present invention.
Reference numbers in the figures: 1. a base; 2. a fixing frame; 3. a blower; 4. a side plate; 5. placing the plate; 6. connecting holes; 7. a lifting column; 8. pressing a plate; 9. locking the bolt; 10. connecting columns; 11. a fixing hole; 12. fixing a column; 13. a fixing plate; 14. positioning holes; 15. a positioning column; 16. a rotating shaft; 17. mounting grooves; 18. a gear; 19. an adjusting handle; 20. a PLC controller; 21. a socket is provided.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a fan foundation dynamic response analysis device under wind load comprises a base 1, a fixed frame 2 installed on the top of the base 1 and an air blower 3 installed in the fixed frame 2, wherein the top surface of the base 1 is provided with a fixed hole 11 and two positioning holes 14, a lifting column 7 capable of moving up and down is installed in the fixed hole 11, the top of the lifting column 7 is rotatably connected with a placing plate 5, the bottom surface of the placing plate 5 is fixed with two positioning columns 15, the bottoms of the two positioning columns 15 are respectively clamped in the two positioning holes 14, the bottom of the fixed hole 11 is fixed with a fixed column 12, the bottom of the lifting column 7 is provided with a connecting hole 6, the top of the fixed column 12 extends into the connecting hole 6 and is fixed with a spring, the other end of the spring is fixedly connected with the inner wall of the top of the connecting hole 6, one side of the fixed hole 11 is provided with a mounting groove 17, the mounting groove 17 is rotatably connected with a rotating shaft 16, and one end of the rotating shaft 16 is exposed to the outside of the base 1, an adjusting handle 19 is fixed at one end of the rotating shaft 16, which is positioned outside the base 1, the adjusting handle 19 is conveniently arranged for rotating the rotating shaft 16, a gear 18 is sleeved outside the rotating shaft 16, a plurality of tooth grooves meshed with the gear 18 are formed in the outer wall of one side, which is close to the mounting groove 17, of the lifting column 7, the lifting column 7 can be driven to lift by rotating the rotating shaft 16, when the rotating shaft 16 is rotated anticlockwise, the lifting column 7 is driven to lift by the gear 18, the spring is stretched after the lifting column 7 rises, the placing plate 5 can be rotated after the positioning column 15 exits out of the positioning hole 14, and then the orientation of the fan can be conveniently changed;
the two positioning holes 14 are respectively positioned at two sides of the fixing hole 11, and the distances between the two positioning holes 14 and the fixing hole 11 are the same, so that when the placing plate 5 is rotated by 180 degrees and then placed down, the positioning column 15 can still be clamped in the positioning holes 14, and the placing plate 5 is prevented from rotating;
the top of the placing plate 5 is provided with a fixing mechanism for fixing a fan, the fixing mechanism comprises two fixing plates 13 which are fixed on the top of the placing plate 5 in parallel, one of the fixing plates 13 is provided with a through hole, the top of the fixing plate 13 is in threaded connection with a locking bolt 9, a connecting column 10 is movably arranged in the hole, one end of the connecting column 10 extends between the two fixing plates 13 and is fixed with a pressing plate 8, the other end of the connecting column 10 extends to the outer side of the fixing plate 13 and is fixed with a stop dog, one end of the locking bolt 9 extends into the through hole and is abutted against the top surface of the connecting column 10, the fan is placed on the top of the placing plate 5, the fan is tightly pressed between the pressing plate 8 and the fixing plate 13 by the pressing plate 8, then the locking bolt 9 is screwed, and the connecting column 10 is locked by utilizing the static friction force between the locking bolt 9 and the connecting column 10;
the connecting hole 6 and the through hole are rectangular holes, the outer wall of the connecting column 10 is matched with the through hole, the outer wall of the fixing column 12 is matched with the connecting hole 6, the through hole is a rectangular hole which can prevent the connecting column 10 from rotating in the through hole, and the rectangular hole at the position of the connecting hole 6 can prevent the lifting column 7 from rotating;
the top of the base 1 is fixed with two side plates 4 which are arranged in parallel, the side plates 4 are made of transparent glass fiber reinforced plastics, the two side plates 4 are positioned on two sides of the placing plate 5 and are arranged perpendicular to one side where the fixing frame 2 is positioned, the side plates 4 can prevent wind blown out by the air blower 3 from blowing to other directions, so that the wind can directly blow the air blower, and the side plates 4 are made of transparent glass fiber reinforced plastics, so that the state of the air blower can be observed conveniently during testing;
The working principle is as follows: during testing, the fan is placed on the placing plate 5, the locking bolt 9 is loosened, the connecting column 10 is moved again, the pressing plate 8 is pressed on the outer wall of the bottom side of the fan until the fan is clamped between the pressing plate 8 and the fixing plate 13, the locking bolt 9 is tightened again, then a power connection plug of the fan can be inserted into the socket 21, the air blower 3 is opened through the PLC 20, then a certain current voltage is input into the socket 21 through the PLC 20, the voltage and the current required when the fan is started under the wind load are seen according to the data of the input power voltage, then the related data of the basic corresponding power of the fan under the wind load are calculated, when the orientation of the fan needs to be changed, the fan is rotated between the downwind direction and the upwind direction, the adjusting handle 19 is held to rotate the rotating shaft 16 anticlockwise, so that the lifting column 7 is driven to ascend through the gear 18, the spring is stretched after the lifting column 7 rises, and after the positioning column 15 retreats from the outside of the positioning hole 14, the placing plate 5 can be rotated, and then the placing plate 5 is put down after the fan is reversed in direction, so that the positioning column 15 is clamped into the positioning hole 14 again, the fan is reversed in direction, and then the basic power data of the fan under the condition of the wind direction at the moment is tested.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. A fan foundation dynamic response analysis device under wind load comprises a base (1), a fixed frame (2) installed at the top of the base (1) and a blower (3) installed in the fixed frame (2), and is characterized in that a fixed hole (11) and two positioning holes (14) are formed in the top surface of the base (1), a lifting column (7) capable of moving up and down is installed in the fixed hole (11), a placing plate (5) is rotatably connected to the top of the lifting column (7), a fixing mechanism for fixing a fan is installed at the top of the placing plate (5), two positioning columns (15) are fixed on the bottom surface of the placing plate (5), the bottoms of the two positioning columns (15) are respectively clamped in the two positioning holes (14), a mounting groove (17) is formed in one side of the fixed hole (11), and a rotating shaft (16) is rotatably connected in the mounting groove (17), the one end eye of pivot (16) god to the outside of base (1), gear (18) have been cup jointed to the outside of pivot (16), a plurality of tooth's socket with gear (18) meshing has been seted up on lift post (7) the one side outer wall that is close to mounting groove (17), socket (21) are installed to base (1) top surface, install on fixed frame (2) outer wall with socket (21) and air-blower (3) PLC controller (20) of electricity even.
2. The wind load draught fan foundation dynamic response analysis device according to claim 1, wherein the fixing mechanism comprises two fixing plates (13) which are fixed on the top of the placing plate (5) in parallel, a through hole is formed in one fixing plate (13), a locking bolt (9) is connected to the top of the fixing plate (13) in a threaded mode, a connecting column (10) is movably arranged in the hole, one end of the connecting column (10) extends between the two fixing plates (13) and is fixedly provided with a pressing plate (8), the other end of the connecting column (10) extends to the outer side of the fixing plate (13) and is fixedly provided with a stop block, and one end of the locking bolt (9) extends into the through hole and abuts against the top face of the connecting column (10).
3. The wind load based wind turbine foundation dynamic response analysis device according to claim 2, wherein a fixed column (12) is fixed at the bottom of the fixed hole (11), a connecting hole (6) is formed at the bottom of the lifting column (7), the top of the fixed column (12) extends into the connecting hole (6) and is fixed with a spring, and the other end of the spring is fixedly connected with the inner wall of the top of the connecting hole (6).
4. The wind load fan foundation dynamic response analysis device according to claim 3, wherein the connecting holes (6) and the through holes are rectangular holes, the outer walls of the connecting columns (10) are matched with the through holes, and the outer walls of the fixing columns (12) are matched with the connecting holes (6).
5. The wind load based wind turbine foundation dynamic response analysis device according to claim 1, wherein the two positioning holes (14) are respectively located at two sides of the fixing hole (11), and the distance between the two positioning holes (14) and the fixing hole (11) is the same.
6. The wind turbine foundation dynamic response analysis device under wind load according to claim 1, wherein an adjusting handle (19) is fixed at one end of the rotating shaft (16) located outside the base (1).
7. A wind turbine foundation dynamic response analysis device under wind load according to claim 1, wherein the input end of the socket (21) is electrically connected with the output end of the PLC controller (20), and the input end of the blower (3) is electrically connected with the output end of the PLC controller (20).
8. The wind load draught fan foundation dynamic response analysis device according to claim 1, wherein two side plates (4) are fixed to the top of the base (1) and arranged in parallel, the side plates (4) are made of transparent glass fiber reinforced plastics, and the two side plates (4) are located on two sides of the placing plate (5) and are perpendicular to one side where the fixing frame (2) is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122945182.8U CN216342585U (en) | 2021-11-29 | 2021-11-29 | Fan foundation dynamic response analysis device under wind load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122945182.8U CN216342585U (en) | 2021-11-29 | 2021-11-29 | Fan foundation dynamic response analysis device under wind load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216342585U true CN216342585U (en) | 2022-04-19 |
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ID=81153988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122945182.8U Active CN216342585U (en) | 2021-11-29 | 2021-11-29 | Fan foundation dynamic response analysis device under wind load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216342585U (en) |
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2021
- 2021-11-29 CN CN202122945182.8U patent/CN216342585U/en active Active
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