CN218717272U - Unit simulation speed measuring device - Google Patents
Unit simulation speed measuring device Download PDFInfo
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- CN218717272U CN218717272U CN202223128878.2U CN202223128878U CN218717272U CN 218717272 U CN218717272 U CN 218717272U CN 202223128878 U CN202223128878 U CN 202223128878U CN 218717272 U CN218717272 U CN 218717272U
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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
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Abstract
The utility model discloses a unit simulation speed measuring device relates to the wind turbine generator system field, including the speed measuring mechanism, the speed measuring mechanism includes four groups of speed measuring discs, be provided with fixed establishment on the speed measuring disc, six groups of speed measuring holes have been seted up near inside wall position equidistance to the speed measuring disc upper end, two groups of mounting holes have been seted up near outside wall position equidistance to the speed measuring disc upper end, the inside of mounting hole is inserted and is equipped with mounting bolt, the speed measuring disc inside wall is seted up flutedly; this unit simulation speed sensor can finely tune its position according to the slot hole of predetermineeing on the wind generating set low-speed axle code wheel, and then the construction bolt cooperation mounting hole of being convenient for sets up tachometer mechanism on wind generating set low-speed axle code wheel, can consolidate tachometer sensor, improves the steadiness between tachometer sensor and the tachometer dish, avoids tachometer sensor to drop from the tachometer dish at the during operation influence speed measurement result.
Description
Technical Field
The utility model relates to a wind turbine generator system field specifically is unit simulation speed sensor.
Background
The wind turbine generator is generally installed in a zone with higher altitude and higher annual average wind speed, the environment is severe, and the wind turbine generator is damaged by gust, turbulence, sand wind, corrosion, low temperature and the like. The installation position of the speed measurement sensor is close to the joint of the engine room and the air guide sleeve, the sensor is influenced by running conditions, overhauling misoperation and environment, the sensor often breaks down, a certain 50WM wind power plant has hundreds of times of non-stop times due to the sensor, the loss of electric quantity and the amount of money of spare parts is up to dozens of ten thousand yuan, the safe and stable operation of the unit is seriously influenced, and huge economic loss is caused to the wind power plant.
When the unit simulation speed sensor is installed, it is not convenient to finely tune the position of the installation bolt, the unit simulation speed sensor needs to be moved to adjust the position, the stability between the speed sensor and the speed measuring disc is poor, the unit simulation speed sensor easily drops from the speed measuring disc during operation, and the speed measuring result is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a unit simulation speed sensor to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the unit simulation speed measuring device comprises a speed measuring mechanism, wherein the speed measuring mechanism comprises four groups of speed measuring discs, a fixing mechanism is arranged on each speed measuring disc, six groups of speed measuring holes are equidistantly formed in the upper end of each speed measuring disc close to the inner side wall, two groups of mounting holes are equidistantly formed in the upper end of each speed measuring disc close to the outer side wall, mounting bolts are inserted into the mounting holes, and grooves are formed in the inner side walls of the speed measuring discs;
the speed measuring mechanism is formed by splicing four groups of speed measuring discs, the mounting hole is in an oval shape, the speed measuring mechanism is sleeved on the low-speed shaft code disc of the wind generating set through the speed measuring disc matching groove, and one end of the mounting bolt penetrates through the mounting hole and is arranged inside the low-speed shaft code disc of the wind generating set.
Further, the mounting bolt slides left and right along the inner side wall of the mounting hole.
Further, fixed establishment includes support one, support one end is provided with support two, support two lateral walls just are located the intermediate position and run through and are provided with the screw rod, screw rod one end is provided with the handle, the screw rod is kept away from handle one end and is provided with and presss from both sides tight dish, it is provided with T type pivot to press from both sides tight dish one side, support one is kept away from support two one side and is provided with the loading board, the loading board lateral wall is close to the corner position and has seted up the fixed orifices.
Furthermore, a speed measuring sensor is arranged between the bearing plate and the clamping disc.
Furthermore, one side, far away from the support, of the bearing plate is fixedly connected with the side wall of the speed measuring disc, one side of the speed measuring sensor is arranged at one side of the bearing plate through a fixing hole, screw holes are formed in the two side walls of the support, and the screw rod is rotatably arranged on the second support through the screw holes.
Furthermore, a limiting groove is formed in one side, close to the clamping disc, of the screw, and the clamping disc is rotatably arranged on one side of the screw through the T-shaped rotating shaft matched with the limiting groove.
Compared with the prior art, the beneficial effects of the utility model are that: in this unit simulation speed-measuring device, set up speed-measuring mechanism on wind generating set low-speed axle code wheel through recess cooperation speed-measuring dish, and fixed establishment is down, then run through the mounting hole with mounting bolt one end and set up inside wind generating set low-speed axle code wheel, wherein the mounting hole sets up to the ellipse, when the installation staff can remove mounting bolt along the mounting hole about, can finely tune its position according to the slot hole that predetermines on the wind generating set low-speed axle code wheel, and then be convenient for mounting bolt cooperation mounting hole sets up speed-measuring mechanism on wind generating set low-speed axle code wheel.
In this unit simulation speed measuring device, pass through the fixed orifices setting at loading board one side position with speed sensor, and speed sensor one side is laminated with a support lateral wall, later make the screw rod clockwise rotation in two sides of support through handle cooperation screw, the screw rod promotes to press from both sides tight dish and moves to being close to speed sensor position this moment, after pressing from both sides tight dish and hugging closely speed sensor one side position, continue rotatory screw rod, the screw rod can rotate on one side of pressing from both sides tight dish through T type pivot cooperation spacing groove this moment, make the screw rod can continue to exert thrust to pressing from both sides tight dish, and then make and press from both sides tight dish and hug closely speed sensor one side position, can consolidate speed sensor through the aforesaid operation, improve the steadiness between speed sensor and the speed measuring dish, avoid speed sensor to drop from the speed measuring dish at the during operation and influence the result of testing the speed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an enlarged view of the utility model at a in fig. 1;
fig. 3 is a schematic structural view of a first bracket and a second bracket of the present invention;
fig. 4 is a schematic structural view of the clamping disk and the T-shaped rotating shaft of the present invention.
In the figure: 1. a speed measuring mechanism; 2. a speed measuring disc; 3. a speed measuring hole; 4. mounting holes; 5. installing a bolt; 6. a groove; 7. a fixing mechanism; 8. a first bracket; 9. a second bracket; 10. a screw; 11. a handle; 12. clamping the disc; 13. a T-shaped rotating shaft; 14. carrying a plate; 15. a fixing hole; 16. a speed measuring sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-4, the present invention provides a technical solution: the unit simulation speed measuring device comprises a speed measuring mechanism 1, wherein the speed measuring mechanism 1 comprises four groups of speed measuring discs 2, and a fixing mechanism 7 is arranged on each speed measuring disc 2.
Six groups of speed measuring holes 3 are opened near the equidistance of the inner side wall position on the speed measuring disc 2, two groups of mounting holes 4 are opened near the equidistance of the outer side wall position on the speed measuring disc 2, mounting bolts 5 are inserted inside the mounting holes 4, and grooves 6 are opened on the inner side wall of the speed measuring disc 2.
The speed measuring mechanism 1 is formed by splicing four groups of speed measuring disks 2, the mounting hole 4 is in an oval shape, the mounting bolt 5 slides left and right along the inner side wall of the mounting hole 4, the speed measuring mechanism 1 is sleeved on a low-speed shaft code disk of the wind generating set through the matching groove 6 of the speed measuring disks 2, and one end of the mounting bolt 5 penetrates through the mounting hole 4 and is arranged inside the low-speed shaft code disk of the wind generating set.
When the wind generating set speed measuring device is used, a worker sets the speed measuring mechanism 1 on the low-speed shaft code disc of the wind generating set through the groove 6 in cooperation with the speed measuring disc 2, the fixing mechanism 7 faces downwards, then one end of the mounting bolt 5 penetrates through the mounting hole 4 to be arranged inside the low-speed shaft code disc of the wind generating set, the mounting hole 4 is in an oval shape, the worker can move the mounting bolt 5 left and right along the mounting hole 4 when mounting, the position of the mounting bolt 5 can be finely adjusted according to a preset groove hole in the low-speed shaft code disc of the wind generating set, the mounting bolt 5 is further convenient to set the speed measuring mechanism 1 on the low-speed shaft code disc of the wind generating set in cooperation with the mounting hole 4, and the speed measuring sensor 16 is arranged on the surface of the speed measuring mechanism 1 through the fixing mechanism 7;
when the impeller rotates for one circle, the speed measuring sensors read 24 pulses, the two groups of speed measuring sensors 16 are Hall sensors and are used for reading data of the speed measuring holes 3 on the speed measuring disk 2, when the shaft rotates, the speed measuring sensors 16 send a series of pulses with variable frequency determined by the rotating speed and the number of notches on the disk, and the rotating speed of the impeller is judged, so that the control of the PLC of the wind generating set on the speed and the overspeed is realized.
Example 2
Referring to fig. 1-4, the present invention provides a technical solution: the unit simulation speed measuring device comprises a speed measuring mechanism 1, wherein the speed measuring mechanism 1 comprises four groups of speed measuring discs 2, and a fixing mechanism 7 is arranged on each speed measuring disc 2.
Referring to fig. 3-4, the fixing mechanism 7 includes a first bracket 8, a second bracket 9 is disposed at one end of the first bracket 8, a screw 10 penetrates through a side wall of the second bracket 9 and is located at a middle position, a handle 11 is disposed at one end of the screw 10, a clamping disc 12 is disposed at one end of the screw 10 away from the handle 11, a T-shaped rotating shaft 13 is disposed at one side of the clamping disc 12, a bearing plate 14 is disposed at one side of the first bracket 8 away from the second bracket 9, a fixing hole 15 is disposed at a position of a side wall of the bearing plate 14 close to a corner, and a speed sensor 16 is disposed between the bearing plate 14 and the clamping disc 12.
One side of the bearing plate 14, which is far away from the first support 8, is fixedly connected with the side wall of the speed measuring disc 2, one side of the speed measuring sensor 16 is arranged at one side of the bearing plate 14 through a fixing hole 15, the side wall of the second support 9 is provided with a screw hole, and the screw rod 10 is rotatably arranged on the second support 9 through the screw hole.
A limiting groove is formed in one side, close to the clamping disc 12, of the screw 10, and the clamping disc 12 is rotatably arranged on one side of the screw 10 through a T-shaped rotating shaft 13 in a matched mode with the limiting groove.
Specifically, the staff sets up speed sensor 16 in the position of 14 one side of loading board through fixed orifices 15, and speed sensor 16 one side is laminated with 8 lateral walls of support mutually, later make screw rod 10 clockwise rotation in support two 9 one sides through handle 11 cooperation screw, screw rod 10 promotes to press from both sides tight dish 12 and move to being close to speed sensor 16 position this moment, after pressing from both sides tight dish 12 and hugging closely speed sensor 16 one side position, continue rotatory screw rod 10, screw rod 10 can rotate on pressing from both sides tight dish 12 one side through T type pivot 13 cooperation spacing groove this moment, make screw rod 10 can continue to exert thrust to pressing from both sides tight dish 12, and then make and press from both sides tight dish 12 and hug closely speed sensor 16 one side position, can consolidate speed sensor 16 through the aforesaid operation, improve the steadiness between speed sensor 16 and speed disc 2, avoid speed sensor 16 to drop from speed disc 2 at the during operation and influence the result of testing the speed.
The working principle is as follows: when the wind generating set speed measuring device is used, a worker sets the speed measuring mechanism 1 on the low-speed shaft code disc of the wind generating set through the groove 6 in cooperation with the speed measuring disc 2, the fixing mechanism 7 faces downwards, then one end of the mounting bolt 5 penetrates through the mounting hole 4 to be arranged inside the low-speed shaft code disc of the wind generating set, the mounting hole 4 is in an oval shape, the worker can move the mounting bolt 5 left and right along the mounting hole 4 when mounting, the position of the mounting bolt 5 can be finely adjusted according to a preset groove hole in the low-speed shaft code disc of the wind generating set, the mounting bolt 5 is further convenient to set the speed measuring mechanism 1 on the low-speed shaft code disc of the wind generating set in cooperation with the mounting hole 4, and the speed measuring sensor 16 is arranged on the surface of the speed measuring mechanism 1 through the fixing mechanism 7;
when the impeller rotates for one circle, the speed measuring sensors read 24 pulses, the two groups of speed measuring sensors 16 are Hall sensors and are used for reading data of the speed measuring holes 3 on the speed measuring disk 2, when the shaft rotates, the speed measuring sensors 16 send a series of pulses with variable frequency determined by the rotating speed and the number of notches on the disk, and the rotating speed of the impeller is judged, so that the control of the PLC of the wind generating set on the speed and the overspeed is realized; the staff sets up tacho sensor 16 in 14 one side positions of loading board through fixed orifices 15, and tacho sensor 16 one side is laminated with 8 lateral walls of support mutually, later make screw rod 10 clockwise rotation in two 9 one sides of support through handle 11 cooperation screw, screw rod 10 promotes to press from both sides tight dish 12 and moves to being close to tacho sensor 16 position this moment, after pressing from both sides tight dish 12 and hugging closely tacho sensor 16 one side position, continue rotatory screw rod 10, screw rod 10 can rotate in clamping dish 12 one side through T type pivot 13 cooperation spacing groove this moment, make screw rod 10 can continue to exert thrust to pressing from both sides tight dish 12, and then make clamping dish 12 hug closely tacho sensor 16 one side position, can consolidate tacho sensor 16 through the aforesaid operation, improve the steadiness between tacho sensor 16 and the tacho dish 2, avoid tacho sensor 16 to drop from tacho dish 2 during the during operation and influence the speed measurement result.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (6)
1. The unit simulation speed measuring device comprises a speed measuring mechanism (1) and is characterized in that the speed measuring mechanism (1) comprises four groups of speed measuring discs (2), a fixing mechanism (7) is arranged on each speed measuring disc (2), six groups of speed measuring holes (3) are formed in the upper end of each speed measuring disc (2) close to the inner side wall at equal intervals, two groups of mounting holes (4) are formed in the upper end of each speed measuring disc (2) close to the outer side wall at equal intervals, mounting bolts (5) are inserted into the mounting holes (4), and grooves (6) are formed in the inner side wall of each speed measuring disc (2);
the speed measuring mechanism (1) is formed by splicing four speed measuring discs (2), the mounting hole (4) is in an oval shape, the speed measuring mechanism (1) is sleeved on a low-speed shaft code disc of the wind generating set through the speed measuring discs (2) matched with the groove (6), and one end of the mounting bolt (5) penetrates through the mounting hole (4) and is arranged inside the low-speed shaft code disc of the wind generating set.
2. The unit simulation speed measuring device according to claim 1, wherein the mounting bolt (5) slides left and right along the inner side wall of the mounting hole (4).
3. The unit simulation speed measuring device according to claim 1, wherein the fixing mechanism (7) comprises a first support (8), a second support (9) is arranged at one end of the first support (8), a screw (10) penetrates through the side wall of the second support (9) and is located in the middle position, a handle (11) is arranged at one end of the screw (10), a clamping disc (12) is arranged at one end of the screw (10) far away from the handle (11), a T-shaped rotating shaft (13) is arranged on one side of the clamping disc (12), a bearing plate (14) is arranged on one side of the first support (8) far away from the second support (9), and a fixing hole (15) is formed in the side wall of the bearing plate (14) close to a corner.
4. The unit analog tachometer according to claim 3, characterized in that a tachometer sensor (16) is arranged between the carrier plate (14) and the clamping disk (12).
5. The unit simulation speed measuring device according to claim 4, wherein one side of the bearing plate (14) far away from the first bracket (8) is fixedly connected with the side wall of the speed measuring disc (2), one side of the speed measuring sensor (16) is arranged at one side of the bearing plate (14) through a fixing hole (15), a screw hole is formed in the side wall of the second bracket (9), and the screw rod (10) is rotatably arranged on the second bracket (9) through the screw hole.
6. The unit simulation speed measuring device according to claim 5, wherein a limit groove is formed in one side of the screw (10) close to the clamping disc (12), and the clamping disc (12) is rotatably arranged on one side of the screw (10) through a T-shaped rotating shaft (13) in cooperation with the limit groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223128878.2U CN218717272U (en) | 2022-11-24 | 2022-11-24 | Unit simulation speed measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223128878.2U CN218717272U (en) | 2022-11-24 | 2022-11-24 | Unit simulation speed measuring device |
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| Publication Number | Publication Date |
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| CN218717272U true CN218717272U (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223128878.2U Active CN218717272U (en) | 2022-11-24 | 2022-11-24 | Unit simulation speed measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117552934A (en) * | 2023-11-08 | 2024-02-13 | 中国电力工程顾问集团东北电力设计院有限公司 | Speed measuring mechanism and cooling device for wind turbine generator |
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2022
- 2022-11-24 CN CN202223128878.2U patent/CN218717272U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117552934A (en) * | 2023-11-08 | 2024-02-13 | 中国电力工程顾问集团东北电力设计院有限公司 | Speed measuring mechanism and cooling device for wind turbine generator |
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