CN113148400A

CN113148400A - Fixing device is used in flabellum transportation for wind power generation

Info

Publication number: CN113148400A
Application number: CN202110466965.XA
Authority: CN
Inventors: 李家川; 郭辰; 张立英; 张国; 张庆; 高建辉; 邵振州; 李芊
Original assignee: Huaneng Clean Energy Research Institute
Current assignee: Huaneng Clean Energy Research Institute
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-07-23

Abstract

The invention discloses a fixing device for transporting fan blades for wind power generation, which relates to the field of transportation equipment and aims at solving the problems of high transportation cost, high transportation difficulty and small application range of the conventional fixing device for transporting fan blades; the bottom of the rotating seat is also connected with the movable part of the translation mechanism, and an angular limiting structure is arranged at the joint of the angle adjusting plate and the rotating seat; the translation mechanism can make the rotation seat translate on the fixed base, and the rotation seat is articulated with the angle adjusting plate, so that the relative angle between the suspended end of the angle adjusting plate and the fixed base can be adjusted, the transportation and fixing adjustability is strong, the application range is wide, and the safety is high.

Description

Fixing device is used in flabellum transportation for wind power generation

Technical Field

The invention belongs to the field of transportation equipment, and particularly relates to a fixing device for fan blade transportation for wind power generation.

Background

Wind power is a green energy source or a renewable energy source, people set a huge windmill in a wind field and use wind power to rotate fan blades to generate electricity, so that the wind power is converted into electric energy, and the wind power is more environment-friendly than thermal power and safer than nuclear power, so that the wind power generation is pursued, the wind power generation is a renewable energy power generation technology which is the most mature technology except hydroelectric power generation, and the installed capacity of the wind power generation technology accounts for the most part of the total installed capacity of the whole renewable energy power generation.

The windmill generally comprises three blades, but the size and the weight of the blades are large, the blades need to be fixed on a huge truck for transportation in a wind field for transporting the blades, the transportation and fixing device used in the current market still has defects in the use process, the transportation cost is high, and when the blades of the huge truck are transported, the blades are transversely fixed and are difficult to pass through narrow and curved road sections, the special transportation vehicle for the blades has high input cost, limited use and small application range, so that the fixing device for transporting the blades for wind power generation is provided for solving the problems.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a fixing device for transporting fan blades for wind power generation, which solves the problems of high transportation cost, large transportation difficulty and small application range of the conventional fixing device for transporting fan blades.

In order to achieve the purpose, the invention adopts the technical scheme that: a fixing device for transporting fan blades for wind power generation comprises a fixing base, wherein a translation mechanism is arranged in the fixing base along the length direction of the fixing base, a movable part is arranged in the translation mechanism, a rotating seat is further arranged on the fixing base, an angle adjusting plate is hinged to the rotating seat, and a flange plate used for connecting the fan blades is arranged at the free end of the angle adjusting plate; the bottom of the rotating seat is also connected with the movable part of the translation mechanism, and an angular limiting structure is arranged at the joint of the angle adjusting plate and the rotating seat.

A first double-shaft motor is arranged in the fixed base, output shafts at two ends of the first double-shaft motor are provided with turbines, the two turbines are connected with worms, sliding plates are arranged on the two worms, the sliding plates are connected with the worms through spiral teeth, and the rotating seat is connected with the sliding plates; the worms are symmetrically arranged along the center line of the fixed base.

The rotating seat comprises a sliding part and a rotating part, the sliding part and the rotating part are coaxially and rotatably connected, and the sliding part is connected with a movable part in the translation mechanism; the sliding part is provided with a servo motor, and an output shaft of the servo motor is connected with the rotating part; a limiting structure is arranged between the sliding part and the rotating part.

The rotating seat and the fixed base are provided with a reinforced connecting structure, specifically, the bottom surface of the rotating seat is provided with a T-shaped block, the fixed base is provided with a T-shaped track, and the T-shaped block is in sliding fit with the T-shaped track.

The one end that rotating seat kept away from unable adjustment base sets up the hinge ear, sets up the two double-shaft motor of second between the hinge ear, and the output shaft at two double-shaft motor both ends of second all installs and rotates the post, and the angle is mediated the board and is connected and rotate the post, rotates and sets up angle limit structure between post and the hinge ear.

The angular limiting structure specifically comprises: set up the ring gear in the hinge joint ear, the tip that rotates the post sets up the gear, the spacing motor of a plurality of angles that the circumferencial direction that rotates the post set up on the angle adjusting plate, the output shaft of the spacing motor of angle all sets up planetary gear, planetary gear meshes the gear of rotating the post tip and the internal tooth of the ring gear in the hinge joint ear simultaneously.

The angle limiting structure comprises a limiting bolt and an arc limiting groove, the arc limiting groove is formed in the outer side of the angle adjusting plate, the limiting bolt is arranged on the hinge lug, and the arc where the limiting bolt is located and the arc limiting groove are arranged at the same radial position.

The free end of the angle adjusting plate is provided with a connecting plate, a fan blade fixing shaft is arranged on the connecting plate, and a flange plate used for connecting a fan blade is arranged on the fan blade fixing shaft; the vertical central axes of the rotating seat, the servo motor, the connecting plate and the fan blade fixing shaft are all consistent, and the connecting plate is detachably connected with the fan blade fixing shaft.

The inner side of the fixed base is provided with a sliding groove, a balancing weight is arranged in the sliding groove in a sliding mode, and the balancing weight is connected with the movable portion of the translation mechanism.

A servo motor is arranged in the rotating seat, an output shaft of the servo motor is connected with a gear disc, a gear strip is arranged in the fixed base, and the gear disc and the gear strip are meshed with each other; the extension section of the output shaft of the servo motor is provided with a bearing, the extension section of the output shaft of the servo motor is rotationally connected with a sliding plate through the bearing, and the sliding plate is arranged in a sliding chute.

Compared with the prior art, the invention has at least the following beneficial effects:

set up the translation mechanism along its length direction in the unable adjustment base, set up movable portion among the translation mechanism, the bottom of rotating the seat is still connected translation mechanism's movable portion, translation mechanism can make to rotate the seat translation on unable adjustment base, rotates the articulated angle mediation board on the seat for the relative angle of the free end of angle mediation board and unable adjustment base can be adjusted, and the angle mediation board sets up the angle limit structure with the junction of rotating the seat and can prevent that the angle from changing and bringing the damage in the transportation.

Furthermore, the second double-shaft motor is arranged to drive the rotating column to rotate, the servo motor is arranged to drive the rotating shaft to rotate, the rotating column and the rotating shaft enable the angle adjusting plate connected with the rotating column to rotate, accordingly, the fixing and transporting angles of the fan blades are changed, the transporting and fixing adjustability is enhanced, the fan blades are suitable for various fields and road sections, and the transporting and fixing application range is enlarged.

Further, set up the double-shaft motor through unable adjustment base and drive the turbine and rotate, make the worm drive the sliding plate and slide, make the balancing weight slide in the sliding tray inboard to changing this fixing device for transportation's counter weight, avoiding because of the counter weight unbalance that produces is adjusted to the angle of flabellum, increase the stability of fixing and transportation, improve the security of fixing and transporting.

Further, rotate and set up between seat and the unable adjustment base and strengthen connection structure, it is concrete, rotate the bottom surface of seat and set up T type piece, set up T type track on the unable adjustment base, T type piece and T type track sliding fit improve the joint strength who rotates seat and unable adjustment base, prevent that the atress is too big in the transportation and lead to the structure fracture, improve holistic reliability.

Further, including spacing bolt and arc spacing groove, the arc spacing groove is seted up in angle adjusting plate's the outside, and spacing bolt setting is on articulated ear, and the arrangement in same radial position of spacing bolt place circular arc and arc spacing groove, simple structure is practical, and screw fastening power is big moreover, can effectively prevent to rotate.

Drawings

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

Fig. 2 is a schematic cross-sectional structure of the present invention.

FIG. 3 is a schematic side view of the present invention.

FIG. 4 is a schematic cross-sectional view of FIG. 3 according to the present invention.

Fig. 5 is a schematic structural view of the second dual-shaft motor of the present invention in an operating state.

Reference numbers in the figures: 1. a fixed base; 2. a sliding groove; 3. a balancing weight; 4. a sliding plate; 5. a worm; 6. a first dual-axis motor; 7. a turbine; 8. a rotating seat; 9. a servo motor; 10. a rotating shaft; 11. a gear plate; 12. a gear rack; 13. a support block; 14. a second dual-shaft motor; 15. rotating the column; 16. an angle adjusting plate; 17. a connecting plate; 18. the fan blade is fixed on the shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1, 2 and 4, a fixing device for transporting fan blades for wind power generation comprises a fixed base 1, wherein a translation mechanism is arranged in the fixed base 1 along the length direction of the fixed base, a movable part is arranged in the translation mechanism, a rotating base 8 is further arranged on the fixed base 1, an angle adjusting plate 16 is hinged on the rotating base 8, and a flange plate for connecting the fan blades is arranged at the suspended end of the angle adjusting plate 16; the bottom of the rotating seat 8 is further connected with a movable part of the translation mechanism, an angular limiting structure is arranged at the joint of the angle adjusting plate 16 and the rotating seat 8, and the rotating seat 8 is connected with the fixed base 1 in a sliding mode.

A first double-shaft motor 6 is arranged in the fixed base 1, output shafts at two ends of the first double-shaft motor 6 are provided with turbines 7, the two turbines 7 are connected with worms 5, sliding plates 4 are arranged on the two worms 5, the sliding plates 4 are connected with the worms 7 through spiral teeth, and a rotating base 8 is connected with the sliding plates 4; the worm 5 is arranged symmetrically along the centre line of the fixed base 1.

As an alternative embodiment, the rotating seat 8 includes a sliding portion and a rotating portion, the sliding portion and the rotating portion are coaxially and rotatably connected, and the sliding portion is connected with a movable portion in the translation mechanism; the sliding part is provided with a servo motor 9, and an output shaft of the servo motor 9 is connected with the rotating part; a limiting structure is arranged between the sliding part and the rotating part.

As an optimized embodiment, a reinforced connecting structure is arranged between the rotating seat 8 and the fixed base 1, specifically, a T-shaped block is arranged on the bottom surface of the rotating seat 8, a T-shaped track is arranged on the fixed base 1, and the T-shaped block is in sliding fit with the T-shaped track.

Referring to fig. 1 and 2, one end of the rotating base 8, which is far away from the fixed base 1, is provided with a hinge lug, a second double-shaft motor 14 is arranged between the hinge lugs, output shafts at two ends of the second double-shaft motor 14 are respectively provided with a rotating column 15, an angle adjusting plate 16 is connected with the rotating column 15, and an angle limiting structure is arranged between the rotating column 15 and the hinge lug.

As an alternative embodiment, the angular limiting structure specifically includes: set up the ring gear in the hinge joint, the tip that rotates post 15 sets up the gear, and the spacing motor of a plurality of angles that set up along the circumferencial direction that rotates post 15 on the angle adjusting plate 16, the output shaft of the spacing motor of angle all sets up planetary gear, and planetary gear meshes the gear of rotating post 15 tip and the internal tooth of the ring gear in the hinge joint simultaneously.

The angular limiting structure can also adopt the following structure: the angle limiting structure comprises a limiting bolt and an arc limiting groove, the arc limiting groove is formed in the outer side of the angle adjusting plate 16, the limiting bolt is arranged on the hinge lug, and the arc where the limiting bolt is located and the arc limiting groove are arranged at the same radial position.

The translation mechanism may also employ embodiments as follows: a servo motor 9 is arranged in the rotating seat 8, an output shaft of the servo motor 9 is connected with a gear plate 11, a gear rack 12 is arranged in the fixed base 1, and the gear plate 11 is meshed with the gear rack 12; the extension section of the output shaft of the servo motor 9 is provided with a bearing, the extension section of the output shaft of the servo motor 9 is rotationally connected with the sliding plate 4 through the bearing, and the sliding plate 4 is arranged in the sliding groove 2.

Referring to fig. 1 and 4, a connecting plate 17 is disposed at a free end of the angle adjusting plate 16, a fan blade fixing shaft 18 is disposed on the connecting plate 17, and a flange plate for connecting a fan blade is disposed on the fan blade fixing shaft 18; the vertical central axes of the rotating seat 8, the servo motor 9, the connecting plate 17 and the fan blade fixing shaft 18 are all consistent, and the connecting plate 17 is detachably connected with the fan blade fixing shaft 18.

Referring to fig. 1 and 2, a fixing device for transporting fan blades for wind power generation comprises a fixing base 1, wherein a first double-shaft motor 6 is arranged on the inner side of the fixing base 1, output shafts at two ends of the first double-shaft motor 6 are connected with turbines 7, a worm 5 is arranged at one end of each of the two turbines 7 far away from the first double-shaft motor 6, a turbine is arranged at the driving end of the worm 5, and the turbines 7 drive the turbines and the worm 5 to rotate synchronously in the rotating process; be provided with sliding plate 4 on two worms 5, sliding plate 4 is connected with balancing

weight

3, 1 top of unable adjustment base is provided with rotates seat 8, it installs servo motor 9 to rotate the one end inboard that seat 8 is close to unable adjustment base 1, output shaft fixed mounting that servo motor 9 is close to unable adjustment base 1 one end has axis of rotation 10, it installs supporting shoe 13 to rotate the one end that seat 8 kept away from unable adjustment base 1, supporting shoe 13 keeps away from the one end of rotating seat 8 and installs second double-shaft motor 14, the output shaft at second double-shaft motor 14 both ends all is connected with rotation post 15, fixed mounting has angle mediation board 16 on the rotation post 15, the one end fixed mounting that second double-shaft motor 14 was kept away from to angle mediation board 16 has connecting plate 17, connecting plate 17 keeps away from the one end of angle mediation board 16 and installs flabellum fixed axle 18.

Specifically, as an optional embodiment, the translation mechanism comprises two lead screws arranged in parallel in the fixed base 1, lead screw nuts are arranged on the lead screws, the sliding plate 4 is connected with the lead screw nuts, and driving ends of the lead screws are provided with driving motors; or the driving ends of the lead screws are provided with synchronous belt wheels and a driving motor, and the two lead screws are driven to rotate by the synchronous belt wheels and the synchronous belts, so that the lead screw nuts drive the sliding plate 4 to move.

Referring to fig. 1, the worm wheel 7, the worm 5 and the sliding plate 4 are symmetrically arranged by taking a transverse central axis of the first double-shaft motor 6 as a symmetry axis, the worm 5 penetrates through the sliding plate 4, the worm 5 is in threaded fit with the worm wheel 7, the worm 5 is in threaded fit with the sliding plate 4, the sliding plate 4 moves along the axis of the worm 5, so that the worm wheel 7 is driven to rotate by the double-shaft motor 6, the worm wheel 7 rotates in a worm wheel shape to drive the worm 5 to rotate, and the worm 5 rotates to drive the sliding plate 4 to slide.

Referring to fig. 1, 2 and 3, the vertical central axes of the rotating base 8, the servo motor 9, the second dual-axis motor 14, the angle adjusting plate 16, the connecting plate 17 and the fan blade fixing shaft 18 are all the same, the rotating base 8 and the angle adjusting plate 16 are both U-shaped, the rotating columns 15 are symmetrically arranged by taking the vertical central axis of the second dual-axis motor 14 as a symmetry axis, and the rotating columns 15 penetrate through the angle adjusting plate 16.

Referring to fig. 2, in addition, the inner side of the fixing base 1 is provided with a sliding groove 2, the counterweight block 3 is located in the sliding groove 2, and the inner sides of the counterweight block 3 and the sliding groove 2 are in sliding fit with each other, so that the counterweight block 3 slides to change the counterweight of the fixing device, thereby avoiding weightlessness and toppling over and increasing the use stability.

The working principle is as follows: when the fixing device for transporting the fan blades for wind power generation is used, firstly, the fixing device for transporting the fan blades for wind power generation is placed on a transport vehicle in demand according to the transportation demand of the fan blades, the fixing base 1 of the fixing device for transporting the fan blades for wind power generation is fixed with the transport vehicle, the fan blade fixing shaft 18 matched with the fan blades is selected immediately, then, the fan blades needing to be transported are installed on the fan blade fixing shaft 18 in an installation mode the same as the installation mode of the working state of the fan blades, after connection is completed, the fan blade fixing shaft 18 is matched with the connecting plate 17 immediately, then, the fan blade fixing shaft 18 is connected with the connecting plate 17, and therefore the fan blades needing to be transported are installed on the fixing device for transporting the fan blades for wind power generation;

then the second double-shaft motor 14, the servo motor 9 and the first double-shaft motor 6 are started according to the transportation requirement, the second double-shaft motor 14 works to enable the output shaft to rotate, the output shaft rotates to enable the rotating column 15 fixedly connected with the output shaft to rotate, the rotating column 15 rotates to enable the angle adjusting plate 16 fixedly connected with the rotating column to rotate, the angle adjusting plate 16 rotates to enable the connecting plate 17 fixedly connected with the angle adjusting plate to rotate, the connecting plate 17 rotates to enable the fan leaf fixing shaft 18 connected with the connecting plate to rotate, so that the fan leaf connected with the fan leaf transportation fixing device for wind power generation through the fan leaf fixing shaft 18 rotates, the horizontal angle of the fan leaf and the ground is changed, the fan leaf is adjusted to a proper angle, the problem that transportation obstacle is caused by overlong length and overlong height of the fan leaf in the transportation process is avoided, the servo motor 9 works to enable the output shaft to rotate, and the servo motor 9 drives the rotating part of the rotating base 8 to rotate, thereby change the fixed and transportation angle of flabellum, adjust the flabellum to suitable transportation angle, be convenient for pass narrow road section, first double-shaft motor 6 works according to the adjustment demand of flabellum, first double-shaft motor 6 works and makes the output shaft of being connected with it rotate, the output shaft rotates and makes its fixedly connected turbine 7 rotate, turbine 7 rotates and makes its screw thread rotate the worm 5 of being connected with, worm 5 rotates and makes the sliding plate 4 of being connected with slide, sliding plate 4 slides and makes the balancing weight 3 of being connected with it slide in sliding tray 2 inboard, thereby change this for wind power generation flabellum transportation fixing device's configuration, avoid because of the balancing weight unbalance that the flabellum adjustment brought, after the use, operate with adjustment and installation order is opposite, it can to take off the flabellum.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. A fixing device for transporting fan blades for wind power generation is characterized by comprising a fixed base (1), wherein a translation mechanism along the length direction of the fixed base (1) is arranged in the fixed base, a movable part is arranged in the translation mechanism, a rotating base (8) is further arranged on the fixed base (1), an angle adjusting plate (16) is hinged on the rotating base (8), and a flange plate used for connecting the fan blades is arranged at the suspended end of the angle adjusting plate (16); the bottom of the rotating seat (8) is also connected with a movable part of the translation mechanism, and an angular limiting structure is arranged at the joint of the angle adjusting plate (16) and the rotating seat (8).

2. The fan blade transportation fixing device for wind power generation according to claim 1, wherein a first double-shaft motor (6) is arranged in the fixing base (1), turbines (7) are arranged on output shafts at two ends of the first double-shaft motor (6), worms (5) are connected to the two turbines (7), a sliding plate (4) is arranged on the two worms (5), the sliding plate (4) is connected with the worms (7) through spiral teeth, and the rotating base (8) is connected with the sliding plate (4); the worms (5) are symmetrically arranged along the center line of the fixed base (1).

3. The fixing device for transporting fan blades for wind power generation according to claim 1, wherein the rotating base (8) comprises a sliding part and a rotating part, the sliding part and the rotating part are coaxially and rotatably connected, and the sliding part is connected with the movable part in the translation mechanism; a servo motor (9) is arranged on the sliding part, and an output shaft of the servo motor (9) is connected with the rotating part; a limiting structure is arranged between the sliding part and the rotating part.

4. The fan blade transportation fixing device for wind power generation according to claim 1, wherein a reinforced connection structure is arranged between the rotating seat (8) and the fixed base (1), specifically, a T-shaped block is arranged on the bottom surface of the rotating seat (8), a T-shaped track is arranged on the fixed base (1), and the T-shaped block is in sliding fit with the T-shaped track.

5. The fixing device for transporting the fan blades for wind power generation according to claim 1, wherein one end of the rotating base (8) far away from the fixing base (1) is provided with a hinge lug, a second double-shaft motor (14) is arranged between the hinge lugs, output shafts at two ends of the second double-shaft motor (14) are provided with rotating columns (15), the angle adjusting plate (16) is connected with the rotating columns (15), and the angular limiting structure is arranged between the rotating columns (15) and the hinge lugs.

6. The fixing device for transporting the fan blade for wind power generation according to claim 5, wherein the angular limiting structure is specifically: set up the ring gear in the articulated ear, the tip that rotates post (15) sets up the gear, and angle adjusting plate (16) are gone up along a plurality of angle spacing motors that the circumferencial direction of rotating post (15) set up, and the output shaft of angle spacing motor all sets up planetary gear, and planetary gear meshes the gear of rotating post (15) tip and the internal tooth of the ring gear in the articulated ear simultaneously.

7. The fixing device for transporting the fan blade for wind power generation according to claim 5, wherein the angular limiting structure comprises a limiting bolt and an arc-shaped limiting groove, the arc-shaped limiting groove is formed in the outer side of the angle adjusting plate (16), the limiting bolt is arranged on the hinge lug, and the arc of the limiting bolt and the arc-shaped limiting groove are arranged at the same radial position.

8. The fixing device for transporting fan blades for wind power generation according to claim 1, wherein a connecting plate (17) is provided at a free end of the angle adjusting plate (16), a fan blade fixing shaft (18) is provided on the connecting plate (17), and a flange plate for connecting the fan blades is provided on the fan blade fixing shaft (18); the vertical central axes of the rotating seat (8), the servo motor (9), the connecting plate (17) and the fan blade fixing shaft (18) are all the same, and the connecting plate (17) is detachably connected with the fan blade fixing shaft (18).

9. The fan blade transportation fixing device for wind power generation according to claim 1, wherein a sliding groove (2) is provided inside the fixing base (1), a counter weight (3) is slidably provided in the sliding groove (2), and the counter weight (3) is connected to the movable portion of the translation mechanism.

10. The fan blade transportation fixing device for wind power generation according to claim 1, wherein a servo motor (9) is arranged in the rotating base (8), a gear plate (11) is connected to an output shaft of the servo motor (9), a gear rack (12) is arranged in the fixing base (1), and the gear plate (11) and the gear rack (12) are meshed with each other; the extension section of the output shaft of the servo motor (9) is provided with a bearing, the extension section of the output shaft of the servo motor (9) is rotationally connected with the sliding plate (4) through the bearing, and the sliding plate (4) is arranged in the sliding groove (2).