CN214741856U

CN214741856U - Automatic wind power testing device for wind driven generator

Info

Publication number: CN214741856U
Application number: CN202121024040.1U
Authority: CN
Inventors: 邵振州; 郭辰; 张立英; 张国; 张庆; 李家川; 李芊; 程瑜; 高建辉; 吕贝; 吴国林; 王培青; 王燕冰; 胡斌; 王志远
Original assignee: North Duolun New Energy Co ltd; Huaneng Clean Energy Research Institute
Current assignee: North Duolun New Energy Co ltd; Huaneng Clean Energy Research Institute
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-11-16
Anticipated expiration: 2031-05-13

Abstract

The utility model discloses an automatic wind power testing device for a wind driven generator, which comprises a wind power tester and a base, wherein a lifting mechanism is arranged in the base, and the output end of the lifting mechanism is connected with a connecting block; the lower end of a central rotating shaft of the wind power tester is connected with a connecting shaft, the connecting shaft penetrates through the connecting block and extends to the outside of the connecting block, the lower end of the connecting shaft is axially and slidably connected with a rotating shaft, a first gear is arranged at the upper end of the rotating shaft, a plurality of first tooth blocks are arranged along the circumferential direction of the first gear, and the first tooth blocks are meshed with the first gear; when the wind speed and the wind direction change too much, the rotating shaft is started to generate a damping effect on the central rotating shaft of the wind power tester, so that the rotating speed is prevented from being too fast, and the service life can be prolonged.

Description

Automatic wind power testing device for wind driven generator

Technical Field

The utility model belongs to the technical field of aerogenerator, especially, relate to an automatic testing arrangement of wind-force for aerogenerator.

Background

The wind power generator is an electric power device which converts wind energy into mechanical work, the mechanical work drives a rotor to rotate, and finally outputs alternating current.

Wind parameters need to be collected when wind power generation is carried out, so that a wind power testing device is needed, most of the existing wind power testing devices are installed in places with large wind power, the existing wind power testing devices are often complex in structure for the stability of the testing devices, and the height of the existing wind power testing devices is not convenient to adjust, so that errors exist in measured data; therefore, in order to solve such problems, an automatic wind power testing device for a wind power generator is proposed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that exists among the prior art, the utility model provides an automatic testing arrangement of wind-force for aerogenerator has solved current wind-force testing arrangement and has mostly installed in the big place of wind-force, and for testing arrangement's steadiness, often the structure is complicated, and wind-force testing arrangement, and unable height-adjusting leads to the problem that measured data can have the error.

In order to realize the purpose, the utility model discloses a technical scheme is: an automatic wind power testing device for a wind driven generator comprises a wind power tester and a base, wherein a lifting mechanism is arranged in the base, and the output end of the lifting mechanism is connected with a connecting block; the lower extreme of wind tester's central pivot is connected with the connecting axle, and the connecting axle passes the connecting block and extends to the outside of connecting block, and the lower extreme axial sliding connection of connecting axle has the rotation axis, and the upper end of rotation axis sets up first gear, sets up a plurality of first tooth pieces along first gear circumference, and first tooth piece meshes with first gear mutually.

Be provided with driving gear and a plurality of driven gear in the base, driven gear is the symmetric distribution with the axis of base, and driven gear meshes with the driving gear mutually, and installs the lead screw on the driven gear, lead screw and connecting block threaded connection, the output shaft of driving gear connection motor.

The bottom of driving gear and driven gear sets up first connecting plate, and the lead screw rotates with the both ends of first connecting plate to be connected.

The second gear is installed to the rotation axis lower extreme, and the second gear outside sets up a plurality of third gears, and the top of rotation axis is provided with the connecting axle, and the connecting axle passes the outside that the connecting block extended to the connecting block.

A second fluted disc is arranged in the connecting block and is meshed with the third gear; the bottom ends of the second gear and the third gear are provided with a second connecting plate, and gear shafts of the third gear and the second gear are arranged on the second connecting plate.

The lifting column is arranged below the second connecting plate and adopts an electric push rod, and the control instruction input end of the electric push rod is connected with the output end of the remote controller.

The connecting shaft and the rotating shaft are coaxially arranged, a prismatic hole is formed below the connecting shaft, a prism is arranged at the top end of the rotating shaft, the prism and the prismatic hole are the same in shape, and the prism and the prismatic hole are in clearance fit.

The outside of connecting block is provided with a protection section of thick bamboo, and the top of a protection section of thick bamboo sets up the sealing washer.

The below of base sets up the bottom plate, sets up the bracing piece above the bottom plate, and the bracing piece is the symmetric distribution with the axis of bottom plate, and the pedestal mounting is on the top of bracing piece, and fixed mounting has the down tube between two adjacent bracing pieces, and the down tube is the symmetric distribution with the axis of bottom plate.

Compared with the prior art, the utility model discloses following beneficial effect has at least:

the output end of the lifting mechanism is connected with the connecting block, so that the height of the wind power tester can be adjusted, and the situation that the measured data has errors due to the fact that the wind power tester cannot adjust the height is avoided; the lower extreme of wind tester's center pivot is connected with the connecting axle, the connecting axle passes the outside that the connecting block extends to the connecting block, the lower extreme axial sliding connection of connecting axle has the rotation axis, the upper end of rotation axis sets up first gear, set up a plurality of first tooth pieces along first gear circumference, first tooth piece meshes with first gear mutually, connection structure is simple, firm, when wind speed is too big and wind direction changes too greatly, start the rotation axis and produce the damping effect to wind tester center pivot, prevent its rotational speed too fast, can increase of service life, the reliability of long-time anemometry is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the internal structure of the base of the present invention.

Fig. 3 is a front sectional view of the present invention.

Fig. 4 is the internal structure cross-sectional view of the connecting block of the present invention.

Reference numbers in the figures: 1. a support bar; 2. a base; 3. a wind power tester; 4. a connecting shaft; 5. connecting blocks; 6. a first gear; 7. a first tooth block; 8. a screw rod; 9. a driven gear; 10. a connecting plate; 11. a driving gear; 12. a second fluted disc; 13. a third gear; 14. a second gear; 15. a rotating shaft; 16. a bearing; 17. a base plate; 18. a diagonal bar; 19. an electric motor.

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.

Referring to fig. 1 and 2, an automatic wind power testing device for a wind power generator comprises a wind power tester 3 and a bottom plate 17, wherein a support rod 1 is arranged on the bottom plate 17, the support rods 1 are symmetrically distributed on the central axis of the bottom plate 17, a base 2 is fixedly arranged at the top end of the support rod 1, a lifting mechanism is arranged in the base 2, and the output end of the lifting mechanism is connected with a connecting block 5; the lower end of a central rotating shaft of the wind power tester 3 is connected with a connecting shaft 4, the lower end of the connecting shaft 4 is axially connected with a rotating shaft 15 in a sliding manner, the upper end of the rotating shaft 15 is provided with a first gear 6, a plurality of first tooth blocks 7 are arranged along the circumferential direction of the first gear 6, and the first tooth blocks 7 are meshed with the first gear 6; the connecting shaft 4 extends through the connecting block 5 to the outside of the connecting block 5.

As an embodiment of the lifting mechanism, a driving gear 11 and a plurality of driven gears 9 are arranged in the base 2, the driven gears 9 are symmetrically distributed on the central axis of the base 2, the driven gears 9 are meshed with the driving gear 11, a screw rod 8 is arranged on the driven gears 9, the screw rod 8 is in threaded connection with the connecting block 5, and the driving gear 11 is connected with an output shaft of a motor 19.

As a preferred embodiment, a first connecting plate 10 is arranged at the bottom end of the driving gear 11 and the driven gear 9, and the screw rod 8 is rotatably connected with two ends of the first connecting plate 10;

a second fluted disc 12 is arranged in the connecting block 5, and the second fluted disc 12 is meshed with a third gear 13; and a second connecting plate is arranged at the bottom ends of the second gear 14 and the third gear 13, and gear shafts of the third gear 13 and the second gear 14 are arranged on the second connecting plate, so that the integrated installation of a mechanical structure is facilitated.

A second gear 14 is mounted at the lower end of the rotating shaft 15, a plurality of third gears 13 are arranged on the outer side of the second gear 14, a connecting shaft 4 is arranged at the top end of the rotating shaft 15, the connecting shaft 4 penetrates through the connecting block 5 and extends to the outside of the connecting block 5, and the top end of the connecting shaft 4 is connected with the wind power tester 3; specifically, the connecting shaft 4 and the rotating shaft 15 are arranged coaxially, a prismatic hole is formed below the connecting shaft 4, a prism is arranged at the top end of the rotating shaft 15, the prism and the prismatic hole are the same in shape, and the prism and the prismatic hole are in clearance fit.

Furthermore, the lifting column is arranged below the second connecting plate, the electric push rod is adopted by the lifting column, and the control instruction input end of the electric push rod is connected with the output end of the remote controller, so that the remote automatic control is realized, and the timeliness of the working state of the wind power tester 3 is improved.

In further concrete implementation, referring to fig. 1, 3 and 4, an automatic wind power testing device for a wind power generator includes a bottom plate 17, a support rod 1 is fixedly installed at the top end of the bottom plate 17, the support rod 1 is symmetrically distributed around the central axis of the bottom plate 17, a base 2 is fixedly installed at the top end of the support rod 1, a connecting block 5 is arranged at the top end of the base 2, a driving gear 11 is movably installed on the inner wall of the base 2, a driven gear 9 is movably installed on the inner wall of the base 2, the driven gear 9 is symmetrically distributed around the central axis of the base 2, the driven gear 9 is engaged with the driving gear 11, a lead screw 8 is fixedly installed at the top end of the driven gear 9, the lead screw 8 penetrates through the base 2 and extends into the connecting block 5, a motor 19 is arranged on the inner wall of the connecting block 5, a rotating shaft 15 is installed at the output end of the motor 19, and a first gear 6 is fixedly installed on the circumferential side wall of the rotating shaft 15, a second gear 14 is fixedly installed on the circumferential side wall of the rotating shaft 15, the second gear 14 is positioned at the bottom end of the first gear 6, a connecting shaft 4 is arranged at the top end of the rotating shaft 15, the connecting shaft 4 penetrates through the connecting block 5 and extends to the outside of the connecting block 5, a wind force tester 3 is arranged at the top end of the connecting shaft 4, a bearing 16 is arranged at the top end of an output shaft of a motor 19, the bearing 16 is arranged in the base 2, a connecting plate 10 is installed at the bottom end of the rotating shaft 15, a gear shaft of the third gear 13 and the second gear 14 is arranged on the connecting plate 10, a first gear block 7 is fixedly installed on the inner wall of the connecting block 5, the first gear block 7 is meshed with the first gear 6, a third gear 13 is arranged inside the connecting block 5, the third gear 13 is meshed with the second gear 14, an inclined rod 18 is fixedly installed between the two supporting rods 1, and the inclined rods 18 are symmetrically distributed with the central axis of the bottom plate 17, a second fluted disc 12 is arranged on the inner wall of the connecting block 5, and the second fluted disc 12 is meshed with a third gear 13; the bottom of driving gear 11 and driven gear 9 sets up connecting plate 10, and lead screw 8 rotates with the both ends of connecting plate 10 to be connected.

Optionally, the connecting shaft 4 and the rotating shaft 15 are coaxially arranged, a prismatic hole is formed below the connecting shaft 4, a prism is arranged at the top end of the rotating shaft 15, the prism and the prismatic hole are in the same shape, and the prism and the prismatic hole are in clearance fit; when the rotating shaft 15 ascends, the prism extends into the prism hole together with the connecting shaft 4, the connecting shaft 4 needs to drive the rotating shaft 15, the first gear 6, the second gear 14 and the third gear 13 to rotate, a damping effect is generated, the phenomenon that the rotating speed of the wind power tester 3 is too high under extreme meteorological conditions (strong wind or extra-strong wind) and instability is avoided, and the service life of the wind power tester 3 is prolonged.

As an alternative embodiment, a protective cylinder is arranged on the outer side of the connecting block 5, and a sealing ring is arranged at the top end of the protective cylinder.

The working principle is as follows: when the device is used, the device is firstly installed, then wind power is tested, when the wind power tester 3 rotates, the connecting shaft 4 rotates along with the rotation of the wind power tester, the first gear 6 is driven to rotate, the first gear 6 is meshed with the first toothed block 7, the first toothed block 7 rotates, meanwhile, the second gear 14 rotates, the second gear 14 is meshed with the third gear 13, the third gear 13 is driven to rotate, the third gear 13 is meshed with the second toothed disc 12, the third gear 13 rotates along the second toothed disc 12, the connecting plate 10 enables the second gear and the third gear to be more stable, under the condition that the stability of the second gear and the third gear is ensured, the structure is simple, the maintenance is convenient, when the height needs to be adjusted, the motor 19 is started to enable the driving gear 11 to rotate, the driving gear 11 is meshed with the driven gear 9, and the driven gear 9 rotates, driven gear 9 rotates and makes lead screw 8 rotatory, 8 swivelling joint blocks of rotatory drive of lead screw 5 upwards remove to can adjust wind tester 3's height, and make driven gear and driving gear more stable through connecting plate 10 at the rotation in-process, avoided wind tester 3 unable height-adjusting, lead to the condition that measured data has the error, later measured data can be recorded and transmit to the data record appearance in.

Further, the utility model discloses a set up wind force tester, the connecting axle, first gear, the second gear, the third gear, first tooth piece, in the use, when rotation axis and connecting axle are connected, wind force tester rotates, then the connecting axle is rotatory thereupon, drive first gear revolve, first gear meshes with first tooth piece mutually, thereby rotate along first tooth piece, and second gear revolve simultaneously, the second gear meshes with the third gear mutually, thereby drive third gear revolve, the third gear meshes with the second fluted disc mutually, thereby make the third gear rotate along the second fluted disc, and the connecting plate can make third gear and second gear more stable, under the circumstances of guaranteeing its stability, and simple structure, convenient maintenance.

Further, the utility model discloses a set up the driving gear, driven gear, including a motor, an end cap, a controller, and a cover plate, the connecting plate, the lead screw, a bearing, in use, when needs height-adjusting, then through starter motor, motor start makes the driving gear rotate, the driving gear meshes with driven gear mutually, thereby make driven gear rotate, driven gear rotates makes the lead screw rotatory, lead screw rotatory drive connecting block upwards moves, thereby can adjust the height of wind force tester, and make driven gear and driving gear more stable through the connecting plate at the rotation in-process, the unable height-adjusting of wind force tester has been avoided, lead to the measuring data to have the condition of error.

To sum up, the device not only can be under the circumstances of guaranteeing its stability, and simple structure, convenient maintenance has avoided the unable height-adjusting of wind force tester simultaneously, leads to the circumstances that measured data has the error.

Above, only be the concrete implementation of the preferred embodiment 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 design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. An automatic wind power testing device for a wind driven generator is characterized by comprising a wind power tester (3) and a base (2), wherein a lifting mechanism is arranged in the base (2), and the output end of the lifting mechanism is connected with a connecting block (5); the lower extreme of the central pivot of wind force tester (3) is connected with connecting axle (4), and connecting axle (4) pass connecting block (5) and extend to the outside of connecting block (5), and the lower extreme axial sliding connection of connecting axle (4) has rotation axis (15), and the upper end of rotation axis (15) sets up first gear (6), sets up a plurality of first tooth pieces (7) along first gear (6) circumference, and first tooth piece (7) mesh mutually with first gear (6).

2. The automatic wind power testing device for the wind power generator is characterized in that a driving gear (11) and a plurality of driven gears (9) are arranged in the base (2), the driven gears (9) are symmetrically distributed on the central axis of the base (2), the driven gears (9) are meshed with the driving gear (11), a screw rod (8) is installed on the driven gears (9), the screw rod (8) is in threaded connection with the connecting block (5), and the driving gear (11) is connected with an output shaft of a motor (19).

3. The automatic wind power testing device for the wind driven generator according to claim 2, wherein a first connecting plate (10) is arranged at the bottom ends of the driving gear (11) and the driven gear (9), and the screw rod (8) is rotatably connected with two ends of the first connecting plate (10).

4. The automatic wind power testing device for the wind driven generator according to claim 1, wherein a second gear (14) is mounted at the lower end of the rotating shaft (15), a plurality of third gears (13) are arranged outside the second gear (14), a connecting shaft (4) is arranged at the top end of the rotating shaft (15), and the connecting shaft (4) penetrates through the connecting block (5) and extends to the outside of the connecting block (5).

5. The automatic wind power testing device for the wind driven generator according to claim 4, wherein a second fluted disc (12) is arranged in the connecting block (5), and the second fluted disc (12) is meshed with the third gear (13); the bottom ends of the second gear (14) and the third gear (13) are provided with a second connecting plate, and gear shafts of the third gear (13) and the second gear (14) are arranged on the second connecting plate.

6. The automatic wind power testing device for the wind driven generator according to claim 4, wherein a lifting column is arranged below the second connecting plate, the lifting column adopts an electric push rod, and a control command input end of the electric push rod is connected with an output end of the remote controller.

7. The automatic wind power testing device for the wind driven generator according to claim 1, wherein the connecting shaft (4) is coaxially arranged with the rotating shaft (15), a prismatic hole is formed below the connecting shaft (4), a prism is arranged at the top end of the rotating shaft (15), the prism and the prismatic hole are the same in shape, and the prism and the prismatic hole are in clearance fit.

8. The automatic wind power testing device for the wind driven generator according to claim 1, wherein a protective cylinder is arranged on the outer side of the connecting block (5), and a sealing ring is arranged at the top end of the protective cylinder.

9. The automatic wind power testing device for the wind driven generator according to claim 1, wherein a bottom plate (17) is arranged below the base (2), the supporting rods (1) are arranged on the bottom plate (17), the supporting rods (1) are symmetrically distributed on the central axis of the bottom plate (17), the base (2) is installed at the top end of each supporting rod (1), an inclined rod (18) is fixedly installed between every two adjacent supporting rods (1), and the inclined rods (18) are symmetrically distributed on the central axis of the bottom plate (17).