CN214424631U

CN214424631U - Variable-frequency speed regulation test run device for wind power gear box

Info

Publication number: CN214424631U
Application number: CN202023060003.4U
Authority: CN
Inventors: 卢振利
Original assignee: Changshu Institute of Technology
Current assignee: Changshu Institute of Technology
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-10-19
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a wind power gear box Variable Frequency Speed Governing (VFSG) device of taking a trial run, the pedestal comprises a pedestal, the top of pedestal is provided with supporting mechanism, supporting mechanism is including welding in the brace table that pedestal top central point put the department, the spout has all been seted up to the one end position department that is close to the pedestal on two relative side of brace table, be provided with on the spout and bear the weight of the mechanism, the top surface that bears the weight of the mechanism is provided with the wind power gear box, the welding has the frame plate on the brace table, the motor is two in the top surface of brace table, and the output shaft of motor two runs through the frame plate and towards the wind power gear box, the one end department towards the wind power gear box on the output shaft of motor two is provided with installation mechanism. The utility model discloses, the flexibility of device has further been improved for be convenient for more operate the device in the experimentation, labour saving and time saving, and the utility model discloses further improved the testing capability, make test data more comprehensive.

Description

Variable-frequency speed regulation test run device for wind power gear box

Technical Field

The utility model relates to a wind-powered electricity generation gear box technical field especially relates to a wind-powered electricity generation gear box variable frequency speed governing device of taking a trial run.

Background

The gearbox in the wind generating set is an important mechanical component, the main function of the gearbox is to transmit the power generated by a wind wheel under the action of wind power to a generator and enable the generator to obtain a corresponding rotating speed, and because the wind power gearbox is a small component placed at the top of a wind power tower, the wind power gearbox is very heavy and difficult to maintain due to tea break, performance tests are often carried out on the gearbox before the gearbox is installed on the wind power tower, and a test run device is used.

To a wind-powered electricity generation gear box Variable Frequency Speed Governing (VFSG) device of taking a trial run, current debugging device often is through flange spare connection device of taking a trial run and wind-powered electricity generation gear box, this method is complicated relatively in the implementation, can cause the waste of time and manpower, and in the experimentation, because wind-powered electricity generation gear box weight is heavier the reason, the experimenter often directly puts it on the ground, make the wind-powered electricity generation gear box be difficult to remove, the maneuverability of wind-powered electricity generation gear box has been reduced to a certain extent, thereby probably lead to the experimental data of taking a trial run to be deficient relatively.

Therefore, a variable-frequency speed regulation trial run device of the wind power gear box is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the wind-powered electricity generation gear box Variable Frequency Speed Governing (VFSG) device of taking a trial run that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a wind-powered electricity generation gear box Variable Frequency Speed Governing (VFSG) device of taking a trial run, includes the pedestal, the top of pedestal is provided with supporting mechanism, supporting mechanism is including welding in the brace table that pedestal top central point put the department, the spout has all been seted up to the one end position department that is close to the pedestal on two opposite flanks of brace table, be provided with on the spout and bear the weight of the mechanism, the top surface that bears the weight of the mechanism is provided with the wind-powered electricity generation gear box, the welding has the frame plate on the brace table, the frame plate is close to the one side of keeping away from on the brace table and bearing the mechanism, one side of keeping away from the wind-powered electricity generation gear box on the frame plate is provided with motor two, the motor is two in the top surface of brace table, and the output shaft of motor two runs through the frame plate and towards the wind-powered electricity generation gear box, the one end department towards the wind-powered electricity generation gear box on the output shaft of motor two is provided with installation mechanism.

Preferably, bearing mechanism includes two and spout assorted L-shaped piece, two the L-shaped piece is the symmetry setting, two in the sliding embedding of L-shaped piece two spouts, and the top welding of two L-shaped pieces has the plummer, the rope groove has all been seted up on the plummer corresponding on the top both sides of two spouts, two all be provided with the pole of wearing to restrict in the rope groove.

Preferably, two insert on the L-shaped piece and all seted up a plurality of race on the one side of spout, a plurality of all be provided with the bearing wheel in the race, the diameter of bearing wheel and the high phase-match of spout.

Preferably, the pushing mechanism comprises a first motor arranged inside the supporting table, a pushing gear is fixedly connected to the output end of the first motor, a pushing rack is meshed with the pushing gear, and the pushing rack is welded to the bottom of the bearing table.

Preferably, installation mechanism is including welding the installation piece on two output shafts of motor, the joint piece has been cup jointed on the installation piece, the installation piece is run through with the overlapping department of cup jointing of joint piece and is provided with the bolt, the one end welding of keeping away from the installation piece on the joint piece has the connecting rod, the welding has traction gear on the connecting rod.

Preferably, a height difference exists between the mounting block and an output shaft of the wind power gear box, and the traction gear is meshed with a stressed gear on the output shaft of the wind power gear box.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the plummer that sets up, place the bearing platform with the wind-powered electricity generation gear box on, then pass two rope penetrating rod with the nylon rope, make a round trip to twine the nylon rope and further consolidate the wind-powered electricity generation gear box, when needs carry out position adjustment to the wind-powered electricity generation gear box, starter motor one, motor one drives the lapse gear and carries out the rotation, the lapse gear of rotation drives the lapse rack with it meshing and carries out horizontal displacement, thereby can horizontal displacement with the plummer that passes rack fixed connection, make the plummer carry out the displacement in the spout through the cooperation of two L-shaped blocks and a plurality of bearing wheels, in order to reach the purpose of adjusting wind-powered electricity generation gear box position, make it more have the flexibility.

2. Through the installation mechanism that sets up, take off the bolt, then change another a set of traction gear, with the joint piece on the installation piece is pegged graft, insert the combination department of installation piece and joint piece with the bolt once more to firmly fix installation piece and joint piece, in order to reach the purpose of dismantling installation mechanism fast, make the device can be through changing the traction gear many times and test wind-powered electricity generation gear box operating characteristics under various special circumstances, improved the test ability of device.

Drawings

Fig. 1 is a perspective view of a variable-frequency speed-regulating trial run device of a wind power gearbox provided by the utility model;

FIG. 2 is a schematic side sectional view of the structure of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the pusher jack of FIG. 1;

FIG. 4 is a schematic view of the bearing wheel of FIG. 1;

FIG. 5 is a cross-sectional structural view of the mounting mechanism of FIG. 1.

In the figure: 1. a pedestal; 2. a support mechanism; 3. a support table; 4. a chute; 5. a carrying mechanism; 6. a bearing table; 7. rope threading grooves; 8. a rope threading rod; 9. an L-shaped block; 10. a wheel groove; 11. A load-bearing wheel; 12. a pushing mechanism; 13. a first motor; 14. a pushing gear; 15. pushing the rack; 16. a wind power gear box; 17. a frame plate; 18. a second motor; 19. an installation mechanism; 20. Mounting blocks; 21. a clamping block; 22. a bolt; 23. a connecting rod; 24. a traction gear.

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. 1-5, a variable frequency speed regulation test run device of a wind power gear box comprises a pedestal 1, a supporting mechanism 2 is arranged at the top of the pedestal 1, the supporting mechanism 2 is used for supporting a bearing mechanism 5 and a motor I13, the supporting mechanism 2 comprises a supporting table 3 welded at the central position of the top of the pedestal 1, a sliding groove 4 is formed in one end of each of two opposite side surfaces of the supporting table 3 close to the pedestal 1, the bearing mechanism 5 is arranged on the sliding groove 4, a wind power gear box 16 is arranged on the top surface of the bearing mechanism 5, a frame plate 17 is welded on the supporting table 3, the frame plate 17 is close to one side of the supporting table 3 far away from the bearing mechanism 5, a motor II 18 is arranged on one side of the frame plate 17 far away from the wind power gear box 16, the motor II 18 is arranged on the top surface of the supporting table 3, an output shaft of the motor II 18 penetrates through the frame plate 17 and faces the wind power gear box 16, an installation mechanism 19 is arranged on one end of the output shaft of the motor II 18 facing the wind power gear box 16, the specific models of the first motor 13 and the second motor 18 are selected according to requirements, and the working principle is that induced current is generated in the conductor, and the combined action of the induced current and the magnetic field applies driving force to the motor rotor so as to convert electric energy into mechanical energy to drive the output end of the motor to rotate.

Bearing mechanism 5 includes two and 4 assorted L shape pieces 9 of spout, two L shape pieces 9 are the symmetry and set up, two L shape pieces 9 slide and imbed in two spouts 4, and the top welding of two L shape pieces 9 has plummer 6, rope guide 7 has all been seted up on plummer 6 on the top both sides that correspond two spouts 4, all be provided with rope guide 8 in two rope guide 7, pass two rope guide 8 with the nylon rope, can further consolidate wind-powered electricity generation gear box 16, in order to prevent that it from taking place the skew, influence experimental effect.

Insert on two L-shaped pieces 9 and all seted up a plurality of race 10 on the one side of spout 4, all be provided with bearing wheel 11 in a plurality of race 10, the diameter of bearing wheel 11 and the high phase-match of spout 4, bearing wheel 11 bears plummer 6 and carries out the straight line and slide in spout 4.

The pushing mechanism 12 comprises a first motor 13 arranged inside the supporting table 3, a pushing gear 14 is fixedly connected to the output end of the first motor 13, a pushing rack 15 is meshed with the pushing gear 14, the pushing rack 15 is welded to the bottom of the bearing table 6, the pushing gear 14 rotates in a circular mode through the output shaft of the first motor 13, and therefore the pushing rack 15 is driven to move horizontally, the bearing table 6 is driven to move, and the position of the wind power gear box 16 is adjusted.

Installation mechanism 19 is including welding in the installation piece 20 on the second 18 output shafts of motor, the joint piece 21 has been cup jointed on the installation piece 20, joint piece 21 and installation piece 20 grafting department seted up with installation piece 20 assorted slot, installation piece 20 runs through with joint piece 21 cup joint overlap department and is provided with bolt 22, thereby firmly connect installation piece 20 and joint piece 21, the one end welding that keeps away from installation piece 20 on the joint piece 21 has connecting rod 23, the welding has traction gear 24 on connecting rod 23, installation mechanism 19 is whole can be according to traction gear 24 change disconnected tooth, lack the tooth, multiple traction gear 24 combinations such as irregular tooth, so that carry out the test under the multiple type of condition.

There is the discrepancy in elevation between the output shaft of installation piece 20 and wind-powered electricity generation gear box 16, and wind-powered electricity generation gear box 16 is formed by box, gear train, output shaft and atress gear combination roughly, and the atress gear on traction gear 24 and the wind-powered electricity generation gear box 16 output shaft intermeshing drives the output shaft rotation of wind-powered electricity generation gear box 16 to detect the performance of wind-powered electricity generation gear box 16.

The working principle of the utility model is that, place wind-powered electricity generation gear box 16 on plummer 6, then pass two rope penetrating rod 8 with the nylon rope, make a round trip to twine the nylon rope and further consolidate wind-powered electricity generation gear box 16, when needs carry out position control to wind-powered electricity generation gear box 16, a starter motor 13, a motor 13 drives the lapse gear 14 and carries out the rotation, the lapse gear 14 of rotation drives the lapse rack 15 with it meshing and carries out horizontal displacement, thereby can horizontal displacement with lapse rack 15 fixed connection's plummer 6, make plummer 6 carry out the displacement in spout 4 through the cooperation of two L-shaped pieces 9 and a plurality of bearing wheel 11.

When the mounting mechanism 19 needs to be replaced, the bolt 22 is removed, then another group of traction gears 24 is replaced, the clamping block 21 is inserted on the mounting block 20, and then the bolt 22 is inserted into the joint of the mounting block 20 and the clamping block 21 again, so that the mounting block 20 and the clamping block 21 are firmly fixed.

The 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 utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a wind power gear box Variable Frequency Speed Governing (VFSG) device of taking a trial run, includes pedestal (1), its characterized in that, the top of pedestal (1) is provided with supporting mechanism (2), supporting mechanism (2) are including welding brace table (3) of putting the department in pedestal (1) top central point, one end position department that is close to pedestal (1) on two opposite sides of brace table (3) has all seted up spout (4), be provided with bearing mechanism (5) on spout (4), the top surface of bearing mechanism (5) is provided with wind power gear box (16), the welding has frame plate (17) on brace table (3), one side of keeping away from bearing mechanism (5) on frame plate (17) is close to brace table (3), one side of keeping away from wind power gear box (16) on frame plate (17) is provided with motor two (18), motor two (18) are located the top surface of brace table (3), and the output shaft of the second motor (18) penetrates through the frame plate (17) and faces the wind power gear box (16), and an installation mechanism (19) is arranged at one end of the output shaft of the second motor (18) facing the wind power gear box (16).

2. The variable-frequency speed-regulating test run device of the wind power gearbox according to claim 1, wherein the bearing mechanism (5) comprises two L-shaped blocks (9) matched with the sliding grooves (4), the two L-shaped blocks (9) are symmetrically arranged, the two L-shaped blocks (9) are slidably embedded into the two sliding grooves (4), bearing tables (6) are welded at the top ends of the two L-shaped blocks (9), rope threading grooves (7) are formed in two sides of the top of each bearing table (6) corresponding to the two sliding grooves (4), and rope threading rods (8) are arranged in the two rope threading grooves (7).

3. The variable-frequency speed-regulating test run device of the wind power gearbox according to claim 2, wherein a plurality of wheel grooves (10) are formed in one surface, inserted into the sliding groove (4), of each of the two L-shaped blocks (9), a bearing wheel (11) is arranged in each of the wheel grooves (10), and the diameter of each bearing wheel (11) is matched with the height of the sliding groove (4).

4. The variable-frequency speed-regulating test run device of the wind power gearbox according to claim 1, further comprising a pushing mechanism (12) which comprises a first motor (13) arranged inside the supporting platform (3), wherein a pushing gear (14) is fixedly connected to an output end of the first motor (13), a pushing rack (15) is meshed with the pushing gear (14), and the pushing rack (15) is welded to the bottom of the bearing platform (6).

5. The variable-frequency speed-regulating test run device of the wind power gearbox according to claim 1, wherein the mounting mechanism (19) comprises a mounting block (20) welded on an output shaft of a second motor (18), a clamping block (21) is sleeved on the mounting block (20), a bolt (22) penetrates through a sleeved overlapping position of the mounting block (20) and the clamping block (21), a connecting rod (23) is welded at one end, far away from the mounting block (20), of the clamping block (21), and a traction gear (24) is welded on the connecting rod (23).

6. The variable-frequency speed-regulating trial run device of the wind power gearbox according to claim 5, wherein a height difference exists between the mounting block (20) and an output shaft of the wind power gearbox (16), and the traction gear (24) is meshed with a stressed gear on the output shaft of the wind power gearbox (16).