CN220395901U

CN220395901U - Land wind driven generator bearing system

Info

Publication number: CN220395901U
Application number: CN202322035947.3U
Authority: CN
Inventors: 邱春雷; 李洪刚; 冯磊
Original assignee: Cgn Beijing New Energy Technology Co ltd
Current assignee: Cgn Beijing New Energy Technology Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-01-26
Anticipated expiration: 2033-07-31

Abstract

The utility model relates to a aerogenerator's field especially relates to a land aerogenerator bearing system, and it includes main foundation and at least three auxiliary foundation, the rigid coupling has a tower section of thick bamboo on the top surface of main foundation, a plurality of auxiliary foundation evenly sets up around main foundation, auxiliary foundation top surface articulates there is the bracing piece, the holding tank has been seted up to the one end that the pin joint was kept away from to the bracing piece, the rigid coupling has the dead lever in the holding tank, be provided with the spacing platform on the tower section of thick bamboo perisporium, limit groove one has been seted up on the dead lever perisporium, limit groove two has been seted up to spacing platform top surface corresponding limit groove one, limit groove one interior slip is provided with the stopper, the stopper activity is inserted and is located in limit groove two, be connected with the drive assembly who is used for driving the stopper to insert or break away from limit groove two on the stopper. The method has the effect of improving the problem of working aloft by workers.

Description

Land wind driven generator bearing system

Technical Field

The application relates to the field of wind driven generators, in particular to a land wind driven generator bearing system.

Background

The wind power generator tower is a bearing member of a wind power generator set, and supports the blades to a certain height so as to obtain a wind speed large enough to drive the blades to rotate, and wind energy is converted into electric energy. The tower of the land wind driven generator can deform under the action of the lateral force of wind, the bottom of the tower is stressed greatly, and a supporting structure is sometimes required to be arranged at the bottom of the tower in order to improve the stability of the tower.

The related art, such as the Chinese patent application number 201220655550.3, discloses a bearing system structure of a land wind driven generator, which comprises a foundation, a tower barrel arranged on the foundation, at least three support rods uniformly distributed at equal intervals, wherein one end of each support rod is fixed on the side wall of the tower barrel, and the other end of each support rod is fixed on the foundation. When the installation of bracing piece is carried out, the fixed connection of bracing piece one end and tower section of thick bamboo lateral wall needs staff overhead working, welds bracing piece and tower section of thick bamboo lateral wall together.

In view of the above-mentioned related art, the inventors consider that working personnel are likely to be dangerous when working aloft, and have potential safety hazards.

Disclosure of Invention

In order to solve the problem of high-altitude operation of workers, the application provides a land wind driven generator bearing system.

The application provides a land wind driven generator bearing system adopts following technical scheme:

the utility model provides a land wind driven generator bearing system, includes main foundation and at least three auxiliary foundation, the rigid coupling has a tower section of thick bamboo on the top surface of main foundation, a plurality of auxiliary foundation evenly sets up around main foundation, auxiliary foundation top surface articulates there is the bracing piece, the holding tank has been seted up to the one end that the pin joint was kept away from to the bracing piece, the rigid coupling has the dead lever in the holding tank, be provided with the spacing platform on the tower section of thick bamboo perisporium, spacing groove one has been seted up on the dead lever perisporium, spacing groove two has been seted up corresponding to spacing groove one to spacing platform top surface, the interior slip of spacing groove one is provided with the stopper, the stopper activity is inserted and is located in spacing groove two, be connected with the drive assembly who is used for driving the stopper to insert or break away from spacing groove two on the stopper.

Through adopting above-mentioned technical scheme, when the installation land aerogenerator bearing system, the hoist lifts the bracing piece and rotates to the direction that is close to the tower section of thick bamboo, and drive assembly orders about the stopper to the first internal movement of spacing groove, when the dead lever is set up on spacing bench, drive assembly orders about the stopper to insert in the spacing groove two to the dead lever, whole installation need not staff overhead operation welding bracing piece, has improved the problem that the staff carries out the overhead operation.

Optionally, the drive assembly includes elastic support in the stopper and the compression spring between a spacing groove diapire, first passageway has been seted up along self length direction in the bracing piece, first one end of passageway and hold tank bottom wall intercommunication, the perisporium intercommunication of dead lever one end is kept away from with the bracing piece to first other end of passageway, second passageway has been seted up in the dead lever, second one end of passageway and a spacing groove diapire intercommunication, second other end of passageway and dead lever perisporium intercommunication, the one end that spacing groove second was kept away from to the stopper is connected with the cable, the cable wears to locate in passageway first and the passageway second.

Through adopting above-mentioned technical scheme, when the staff pulls the cable, the cable drives the stopper through passageway one and passageway two in proper order and moves in to spacing groove one, and when the staff loosen the cable, the stopper moves in to spacing groove two under compression spring's elastic action. The staff can operate the drive assembly on the ground, so that the problem that the staff performs high-altitude operation is solved, and the operation safety of the staff is improved.

Optionally, the rigid coupling has the installation pole on the bracing piece perisporium, the one end that the bracing piece was kept away from to the installation pole rotates and is connected with the cable wheel, the crank is installed to one side that the cable wheel kept away from the installation pole, the one end that the stopper was kept away from to the cable is connected in the cable and takes turns.

Through adopting above-mentioned technical scheme, the staff rotates the crank to drive the cable pulley and rotate, make the cable twine on the cable pulley, the cable pulley has the effect of the staff pulling cable of being convenient for.

Optionally, two backup pads are fixedly connected with on the bracing piece perisporium, two rotate between the backup pad and be connected with two guide pulleys, the cable wears to locate between two guide pulleys.

Through adopting above-mentioned technical scheme, when the staff pulls the cable, the cable twines on the cable wheel through the guide pulley, and the guide pulley has the effect of guiding the cable to twine smoothly on the cable wheel.

Optionally, a box body for protecting the rope pulling wheel and the guide wheel is arranged on the peripheral wall of the supporting rod.

Through adopting above-mentioned technical scheme, the staff can open the box and rotate the rope pulley, and the box has the effect of protection rope pulley and guide pulley, reduces the erosion of external rainwater to the life of rope pulley and guide pulley is prolonged.

Optionally, a plurality of hooks are fixedly connected on the peripheral wall of the supporting rod.

Through adopting above-mentioned technical scheme, thereby the hook of hoist hangs the bracing piece on the lifting hook, thereby the lifting hook has the effect of supplementary hoist lifting support pole, improves the connection stability between hoist hook and the bracing piece.

Optionally, the wash port has been seted up in the spacing platform, wash port top and spacing groove two intercommunication, wash port bottom and external intercommunication, wash port diameter is less than the stopper diameter.

Through adopting above-mentioned technical scheme, external rainwater accessible wash port flows in from spacing groove two, has improved the problem that external rainwater piled up the corrosion stopper in spacing groove two.

Optionally, auxiliary foundation top surface rigid coupling has two fixed plates, two be connected with fixed axle one between the fixed plate, the tip that the bracing piece is close to fixed axle one is provided with two connecting plates one, connecting plate one set is located on the fixed axle one, be provided with auxiliary rod between tower section of thick bamboo and the fixed axle one, the rigid coupling has two mounting panels on the tower section of thick bamboo perisporium, two be connected with the fixed axle two between the mounting panel, the one end cover of auxiliary rod is located on the fixed axle two, the other end rigid coupling of auxiliary rod has the connecting plate two, the connecting plate two sets are located on the fixed axle one, the connecting plate two is located between two connecting plates one.

Through adopting above-mentioned technical scheme, the staff carries out the installation of auxiliary rod after having built main foundation and a tower section of thick bamboo, confirms the position of auxiliary foundation according to the length of auxiliary rod to make the bracing piece erect just on spacing bench, improved the inconvenient definite problem in auxiliary foundation position, auxiliary rod also has the effect of auxiliary support tower section of thick bamboo simultaneously.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the land wind driven generator bearing system is installed, the crane lifts the supporting rod to rotate towards the direction close to the tower, the driving component drives the limiting block to move towards the first limiting groove, and when the fixed rod is erected on the limiting table, the driving component drives the limiting block to be inserted into the second limiting groove, so that the supporting rod is fixed, the welding supporting rod for high-altitude operation of workers is not needed in the whole installation process, and the problem that the workers perform high-altitude operation is solved;

2. when the staff pulls the cable, the cable drives the stopper to move in the first limit groove through the first channel and the second channel in sequence, and when the staff loosens the cable, the stopper moves in the second limit groove under the elastic action of the compression spring. The driving assembly can be operated on the ground by a worker, so that the problem that the worker performs high-altitude operation is solved, and the operation safety of the worker is improved;

3. the staff carries out the installation of auxiliary rod after having built main foundation and a tower section of thick bamboo, confirms the position of auxiliary foundation according to the length of auxiliary rod to make the bracing piece erect just on spacing bench, improved the inconvenient problem of determining of auxiliary foundation position, auxiliary rod also has the effect of auxiliary support tower section of thick bamboo simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of a land-based wind turbine according to an embodiment of the present application.

FIG. 2 is a schematic structural view of a load-bearing system of a land-based wind turbine according to an embodiment of the present application.

FIG. 3 is a cross-sectional view showing the connection of the support pole and tower.

Fig. 4 is a sectional view showing the internal structure of the support rod.

Fig. 5 is a schematic view showing the structure of the inside of the case.

Reference numerals illustrate: 1. a main foundation; 10. a tower; 11. a generator; 12. a connecting block; 13. a blade; 2. an auxiliary foundation; 20. a fixing plate; 21. a first fixed shaft; 22. a support rod; 220. a first connecting plate; 221. a receiving groove; 222. a first channel; 23. a fixed rod; 230. a first limit groove; 231. a second channel; 24. a support block; 25. a compression spring; 26. a limiting block; 27. a guy cable; 3. a limiting table; 30. a limiting groove II; 31. a drain hole; 4. a lifting hook; 5. a mounting rod; 50. a rope pulling wheel; 51. a crank; 510. a rocker I; 511. a rocker II; 512. a rocker III; 6. a support plate; 60. a rotating shaft; 61. a guide wheel; 7. a case; 70. a door; 71. a handle; 8. an auxiliary lever; 80. a mounting plate; 81. a second fixed shaft; 82. and a second connecting plate.

Detailed Description

The present application is described in further detail below in conjunction with fig. 1-5.

Referring to fig. 1, an embodiment of the present application discloses a land wind power generator, which includes a bearing system, a generator 11, a connection block 12, and a blade 13, wherein the connection block 12 is used for connecting the generator 11 and the blade 13. The bearing system comprises a circular main foundation 1, wherein the main foundation 1 is positioned in the ground, a tower cylinder 10 is arranged on the top surface of the main foundation 1, the tower cylinder 10 is of a cone cylinder structure, one end with a larger diameter of the tower cylinder 10 is fixedly connected to the end surface of the main foundation 1, and a generator 11 is arranged at one end with a smaller diameter of the tower cylinder 10.

Referring to fig. 2 and 3, a land wind driven generator bearing system further includes three circular auxiliary foundations 2, the auxiliary foundations 2 are located in the ground, the three auxiliary foundations 2 are evenly arranged around the main foundation 1, two fixing plates 20 are vertically and fixedly connected to the top surface of the auxiliary foundations 2, a first fixing shaft 21 is fixedly connected between the two fixing plates 20, a supporting rod 22 is arranged on the first fixing shaft 21, one end of the supporting rod 22 is vertically and fixedly connected with two first connecting plates 220, the two first connecting plates 220 are rotatably sleeved on the first fixing shaft 21, a containing groove 221 is formed at the other end of the supporting rod 22, a fixing rod 23 is fixedly connected between two side walls of the containing groove 221, a supporting block 24 is fixedly connected to the peripheral wall of the tower 10, the end surface of the supporting block 24, which is far away from the tower 10, is concaved inwards to form an arc-shaped surface, and the fixing rod 23 is movably arranged on the supporting block 24.

Referring to fig. 3, a first limiting groove 230 is formed in the peripheral wall of the fixing rod 23, a compression spring 25 is fixedly connected to the bottom wall of the first limiting groove 230, a limiting block 26 is fixedly connected to one end of the compression spring 25 away from the bottom wall of the first limiting groove 230, and the compression spring 25 has a tendency of elastically driving the limiting block 26 to move in a direction away from the bottom wall of the first limiting groove 230.

Referring to fig. 3, a limiting table 3 is arranged on the peripheral wall of the tower 10, the cross section of the limiting table 3 is in a right triangle shape, one right-angle side end face of the limiting table 3 is fixedly connected to the tower 10, the other right-angle side end face of the limiting table 3 is fixedly connected with the side wall of the supporting block 24, the limiting table 3 is positioned below the supporting block 24, a limiting groove II 30 is formed in the end face, close to the fixed rod 23, of the limiting table 3, the limiting groove II 30 corresponds to the limiting groove I230, and a limiting block 26 is movably inserted into the limiting groove II 30, so that the fixed rod 23 is limited to be separated from the limiting table 3; a drain hole 31 is formed in the bottom wall of the second limit groove 30, the bottom surface of the second limit groove 30 is an inclined surface inclined downwards from the side wall of the second limit groove 30 to the drain hole 31, the other end of the drain hole 31 is communicated with the bevel edge end face of the limit table 3, and the drain hole 31 is used for draining rainwater in the second limit groove 30.

Referring to fig. 3 and 4, a first channel 222 is formed in the support rod 22, one end of the first channel 222 is communicated with the bottom wall of the accommodating groove 221, the other end of the first channel 222 is communicated with the peripheral wall of the support rod 22 close to the fixing plate 20, a second channel 231 is formed in the fixing rod 23, one end of the second channel 231 is communicated with the bottom wall of the limiting groove 230, the other end of the second channel 231 is communicated with the peripheral wall of the fixing rod 23, and the other end of the second channel 231 corresponds to one end of the first channel 222 close to the fixing rod 23; a guy cable 27 is arranged in the first channel 222 and the second channel 231 in a penetrating way, and one end of the guy cable 27 is fixedly connected to the end face, close to the compression spring 25, of the limiting block 26.

Referring to fig. 4, two hooks 4 having a superior arc shape are provided on a circumferential wall of the support bar 22, one end of each hook 4 is fixedly connected to the circumferential wall of the support bar 22, an opening of each hook 4 faces the support bar 22, the two hooks 4 are located at two sides of the circumferential wall of the support bar 22 and are symmetrically arranged, and the hooks 4 are used for clamping hooks of a crane, so that the support bar 22 is rotated.

Referring to fig. 5, a mounting rod 5 is vertically and fixedly connected to a position on the peripheral wall of the support rod 22, which is close to the opening of the first channel 222, a guy rope wheel 50 is rotatably connected to the end of the mounting rod 5, which is far away from the support rod 22, the guy rope wheel 50 is a V-shaped wheel with an inwards concave peripheral wall, a crank 51 is mounted on the guy rope wheel 50, the crank 51 comprises a first rocker 510, the first rocker 510 is vertically and fixedly connected to the end surface of the guy rope wheel 50, which is far away from the mounting rod 5, a second rocker 511 is vertically and fixedly connected to the end of the second rocker 511, which is far away from the first rocker 510, a third rocker 512 is vertically and fixedly connected to the end of the third rocker 511, which is located on the side of the second rocker 511, which is far away from the guy rope wheel 50, and the crank 51 is used for driving the guy rope wheel 50 to rotate, so that the guy rope 27 is wound on the guy rope wheel 50.

Referring to fig. 5, two support plates 6 are further vertically and fixedly connected to the peripheral wall of the support rod 22, the support plates 6 are located between the opening of the first channel 222 and the mounting rod 5, two rotating shafts 60 are rotatably connected between the two support plates 6, the two rotating shafts 60 are arranged along the length direction of the support plates 6, guide wheels 61 are sleeved on the rotating shafts 60, the guide wheels 61 are V-shaped wheels with inwards concave peripheral walls, a guy cable 27 is arranged between the two guide wheels 61 in a penetrating manner, one end of the guy cable 27 is fixedly connected to the peripheral wall of the guy cable wheel 50, and the guide wheels 61 have the function of guiding the guy cable 27 to move.

Referring to fig. 2, a box 7 for protecting the rope pulling wheel 50 and the guide wheel 61 is provided on the peripheral wall of the support rod 22, the box 7 is a rectangular cylinder with two open ends, one end of the box 7 is fixedly connected to the peripheral wall of the support rod 22, a box door 70 is hinged to the end of the box 7 far from the support rod 22, and a handle 71 is fixedly connected to the end face of the box door 70 far from the opening of the box 7.

Referring to fig. 2, an auxiliary rod 8 is disposed between the tower 10 and the first fixed shaft 21, two mounting plates 80 are vertically and fixedly connected to a peripheral wall of the tower 10 near the main foundation 1, a second fixed shaft 81 is fixedly connected between the two mounting plates 80, one end of the auxiliary rod 8 is sleeved on the second fixed shaft 81, the other end of the auxiliary rod 8 is vertically and fixedly connected with a second connecting plate 82, the second connecting plate 82 is sleeved on the first fixed shaft 21, the second connecting plate 82 is located between the first two connecting plates 220, and the auxiliary rod 8 is used for positioning the auxiliary foundation 2.

The implementation principle of the land wind driven generator bearing system in the embodiment of the application is as follows: when the land wind driven generator bearing system is installed, a worker hooks a hook of a crane in the lifting hook 4, so that the supporting rod 22 is lifted, the supporting rod 22 rotates in the direction close to the tower 10, when the supporting rod 22 is close to the tower 10, the worker opens the door 70, rotates the crank 51, the crank 51 drives the guy rope wheel 50 to rotate, the guy rope 27 is wound on the peripheral wall of the guy rope wheel 50, the guy rope 27 drives the limiting block 26 to move towards the inside of the limiting groove one 230 sequentially through the guide wheel 61, the channel one 222 and the channel two 231, and the limiting block 26 is located in the limiting groove one 230.

When the fixed rod 23 is stably erected on the support block 24, the staff reversely rotates the crank 51 to enable the inhaul cable 27 to relax, the limiting block 26 moves towards the inside of the limiting groove II 30 under the elastic action of the compression spring 25, the limiting block 26 is partially located in the limiting groove II 30, and at the moment, the limiting block 26 is simultaneously clamped in the limiting groove I230 and the limiting groove II 30, so that the support rod 22 is fixed, and the installation process is completed. In the whole installation process, the staff is positioned on the ground to operate, so that the problem that the staff performs high-altitude operation is solved, and the operation safety of the staff is improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a land aerogenerator bearing system which characterized in that: the novel foundation structure comprises a main foundation (1) and at least three auxiliary foundations (2), wherein a tower barrel (10) is fixedly connected to the top surface of the main foundation (1), a plurality of auxiliary foundations (2) are uniformly arranged around the main foundation (1), a supporting rod (22) is hinged to the top surface of the auxiliary foundations (2), a containing groove (221) is formed in one end, far away from a hinging point, of the supporting rod (22), a fixing rod (23) is fixedly connected in the containing groove (221), a limiting table (3) is arranged on the peripheral wall of the tower barrel (10), a limiting groove I (230) is formed in the peripheral wall of the fixing rod (23), a limiting groove II (30) is formed in the top surface of the limiting table (3) corresponding to the limiting groove I (230), a limiting block (26) is slidably arranged in the limiting groove I (230), and a driving component for driving the limiting block (26) to be inserted into or separated from the limiting groove II (30) is movably inserted into the limiting groove II (30); the driving assembly comprises a compression spring (25) which is elastically supported between a limiting block (26) and the bottom wall of a limiting groove I (230), a first channel (222) is formed in the supporting rod (22) along the length direction of the supporting rod, one end of the first channel (222) is communicated with the bottom wall of the containing groove (221), the other end of the first channel (222) is communicated with the supporting rod (22) away from the peripheral wall of one end of the fixing rod (23), a second channel (231) is formed in the fixing rod (23), one end of the second channel (231) is communicated with the bottom wall of the limiting groove I (230), the other end of the second channel (231) is communicated with the peripheral wall of the fixing rod (23), one end of the limiting block (26) away from the limiting groove II (30) is connected with a guy cable (27), and the guy cable (27) is arranged in the first channel (222) and the second channel (231) in a penetrating mode.

2. The land wind turbine load bearing system of claim 1 wherein: the utility model discloses a cable wheel, including bracing piece (22) and cable wheel (50), rigid coupling has installation pole (5) on bracing piece (22) perisporium, the one end that bracing piece (22) were kept away from to installation pole (5) rotates and is connected with cable wheel (50), crank (51) are installed to one side that cable wheel (50) deviate from installation pole (5), one end that stopper (26) was kept away from to cable (27) is connected on cable wheel (50).

3. The land wind turbine load bearing system of claim 2 wherein: two support plates (6) are fixedly connected to the peripheral wall of the support rod (22), two guide wheels (61) are rotatably connected between the two support plates (6), and the inhaul cable (27) is arranged between the two guide wheels (61) in a penetrating mode.

4. A land wind turbine load bearing system according to claim 3, wherein: the supporting rod (22) is provided with a box body (7) for protecting the rope pulling wheel (50) and the guide wheel (61) on the peripheral wall.

5. The land wind turbine load bearing system of any one of claims 1-4, wherein: a plurality of lifting hooks (4) are fixedly connected on the peripheral wall of the supporting rod (22).

6. The land wind turbine load bearing system of any one of claims 1-4, wherein: the limiting table (3) is internally provided with a drain hole (31), the top end of the drain hole (31) is communicated with a second limiting groove (30), the bottom end of the drain hole (31) is communicated with the outside, and the diameter of the drain hole (31) is smaller than that of the limiting block (26).

7. The land wind turbine load bearing system of any one of claims 1-4, wherein: the auxiliary foundation is characterized in that two fixing plates (20) are fixedly connected to the top surface of the auxiliary foundation (2), a first fixing shaft (21) is connected between the two fixing plates (20), two first connecting plates (220) are arranged at the end part, close to the first fixing shaft (21), of each supporting rod (22), the first connecting plates (220) are sleeved on the first fixing shaft (21), an auxiliary rod (8) is arranged between each tower cylinder (10) and the first fixing shaft (21), two mounting plates (80) are fixedly connected to the peripheral wall of each tower cylinder (10), a second fixing shaft (81) is connected between the two mounting plates (80), one end of each auxiliary rod (8) is sleeved on the corresponding second fixing shaft (81), a second connecting plate (82) is fixedly connected to the other end of each auxiliary rod (8), each second connecting plate (82) is sleeved on the corresponding first fixing shaft (21), and each second connecting plate (82) is located between the two first connecting plates (220).