A kind of antifreeze wind power generation blade

Abstract

The present invention relates to the technical field of wind power generation equipment, and discloses an antifreeze wind power generation blade, including a cabin shell, a hub is provided on one side of the cabin shell, a shaft is fixedly connected to a side wall of the hub, and the shaft passes through a side wall of the cabin shell and is rotatably connected to the cabin shell. Through the design of the blade mechanism, when the antifreeze operation is performed on the blade plate, the annular electric heating plate can transfer heat to the heat-conducting seat, the first heat-conducting block, the second heat-conducting block and the heat-conducting pipe in sequence after being energized and heated, and finally the heat is transferred from the heat-conducting pipe to the blade plate, which can effectively increase the temperature of the blade plate and achieve the antifreeze effect. Through the above operation to transfer heat, the heating effect can be achieved by only fixing the annular electric heating plate on one side of the cabin shell, and since the annular electric heating plate does not need to rotate with the hub, the laying of the overall line and the construction of the structure are relatively simpler and more convenient, and the operation is more flexible.

Description

Technical Field

[0001] The invention relates to the technical field of wind power generation equipment, and in particular to an antifreeze wind power generation blade. Background Art

[0002] A wind turbine is a device that uses wind energy to generate electricity. Broadly speaking, wind energy is also solar energy. It is a heat energy generator that uses the sun as a heat source and the atmosphere as a working medium. The working principle of a wind turbine is relatively simple. The power generation process is that the wind wheel rotates under the action of wind, and it converts the kinetic energy of the wind into the mechanical energy of the wind wheel shaft. The generator rotates and generates electricity driven by the wind wheel shaft.

[0003] The Chinese patent application with announcement number CN217538902U proposes a combined wind power blade that can remove ice and prevent freezing, including a shell, a mounting plate, a mounting mechanism and a deicing mechanism. The mounting mechanism includes a fixed seat, a turntable, a mounting seat, a connecting seat, a first bevel gear, a second bevel gear, a threaded rod and a clamping seat. The mounting plate is fixedly mounted with a fixed seat, and a plurality of connecting seats are fixedly mounted on the outer side of the fixed seat. The first bevel gear is rotatably connected in the fixed seat, and a plurality of second bevel gears are meshingly connected to the outer side of the first bevel gear. The outer sides of the plurality of second bevel gears are all fixedly mounted with threaded rods. The beneficial effect is that it is easy to use. Through the above-mentioned components, the blades and the mounting plate can be quickly disassembled and assembled with the shell parts, saving a lot of time, thereby further improving the work efficiency of replacement and maintenance. At the same time, it can be heated when ice forms on the surface of the blade, thereby quickly deicing and avoiding affecting the power generation efficiency.

[0004] The above device can heat the blade surface when it is frozen, thereby achieving the purpose of rapid de-icing, but the way it heats the blade is to control the heating tube installed inside the blade to heat the blade. During the power generation process, the blade needs to rotate around the wind wheel shaft. The continuous rotation will drive the heating tube to move synchronously. At this time, the heating tube is also in a state of continuous movement. Since the heating tube requires energy for heating, how to build a structure that can also realize the heating tube to obtain heating energy during the rotation process is a relatively difficult problem. The above device does not provide a detailed description of this, which may cause the overall structure to become complicated and increase the assembly pressure of the relevant energy supply structure on the heating tube. Therefore, an antifreeze wind power generation blade is proposed here to solve the above problem. Summary of the invention

[0005] In order to solve the above-mentioned problems, the present invention provides an antifreeze wind power generation blade.

[0006] The present invention provides an antifreeze wind power generation blade adopts the following technical solution:

[0007] An antifreeze wind power generation blade comprises a nacelle shell, a hub is arranged on one side of the nacelle shell, a shaft is fixedly connected to a side wall of the hub, the shaft passes through a side wall of the nacelle shell and is rotatably connected to the nacelle shell, and a blade mechanism is arranged on the hub;

[0008] The blade mechanism includes a blade plate, a placement seat is fixedly connected to the inner wall of the hub, the blade plate extends into the placement seat and matches the placement seat, an annular electric heating plate is fixedly connected to one side of the cabin shell, a heat-conducting seat is fixedly connected to one side wall of the hub, the annular electric heating plate extends into the heat-conducting seat and is rotatably connected to the heat-conducting seat, a first heat-conducting block is fixedly connected to one side of the heat-conducting seat, the first heat-conducting block passes through the hub and a side wall of the placement seat in sequence, one end of the blade plate is fixedly connected to the second heat-conducting block, the second heat-conducting block is provided with a through groove, the first heat-conducting block extends into the through groove and matches the through groove, a heat-conducting pipe is fixedly connected to the inside of the blade plate, and one end of the heat-conducting pipe is fixedly connected to the second heat-conducting block.

[0009] By adopting the above technical solution, when the blade plate is subjected to the antifreeze operation, the annular electric heating plate can transfer the heat to the heat-conducting seat, the first heat-conducting block, the second heat-conducting block and the heat-conducting pipe in sequence after being powered on for heating. Finally, the heat is transferred from the heat-conducting pipe to the blade plate, which can effectively increase the temperature of the blade plate and achieve the antifreeze effect. By performing the heat transfer through the above operation, the heating effect can be achieved by fixing the annular electric heating plate on one side of the cabin shell. Moreover, since the annular electric heating plate does not need to rotate with the wheel hub, the overall line laying and structure construction are relatively simpler and more convenient, and the operation is more flexible.

[0010] Preferably, a temperature sensor is fixedly connected to one side wall of the cabin shell, and the temperature sensor is electrically connected to the annular electric heating plate.

[0011] By adopting the above technical solution, the temperature sensor can monitor the external temperature so that when there is a tendency for ice to form on the outside of the blade, the annular electric heating plate can be controlled in advance to supply heat, thereby improving the antifreeze efficiency.

[0012] Preferably, the blade mechanism also includes a heat insulation component, the heat insulation component includes a mounting seat, the mounting seat is fixedly connected to a side wall of the hub, an annular heat insulation plate is fixedly connected to one side wall of the cabin shell, the annular heat insulation plate extends into the interior of the mounting seat and matches the mounting seat, the annular heat insulation plate is arranged on the outside of the annular electric heating plate, an insulation frame is fixedly connected between a side wall of the inner cavity of the hub and the placement seat, and the insulation frame is arranged outside the first heat conductive block.

[0013] By adopting the above technical solution, the annular heat insulation plate can provide insulation protection for the annular electric heating plate to prevent heat from being dissipated and lost to the outside, while the heat insulation frame can isolate the heat of the first heat conductive block, thereby preventing heat from entering the interior of the wheel hub and causing the internal temperature of the wheel hub to be too high and affecting the power generation work, thereby improving the safety of antifreeze work.

[0014] Preferably, the blade mechanism also includes a positioning assembly, which includes a moving ring, wherein the moving ring is arranged inside the wheel hub, a positioning rod is fixedly connected to a side wall of the wheel hub inner cavity, the positioning rod passes through the moving ring, an auxiliary rod is fixedly connected to the outside of the moving ring, a block is fixedly connected to the auxiliary rod, the block passes through the placement seat, a slot is provided on the blade plate, the block passes through the slot and matches the slot, the wheel hub is fixedly connected to a U-shaped plate, the U-shaped plate is rotatably connected to the inner side of the U-shaped plate, the threaded rod extends out of the wheel hub and is rotatably connected to the wheel hub, four plug plates are fixedly connected to the outer side of the wheel hub, and the four plug plates are distributed around the outer side of the wheel hub at equal intervals, an outer ring plate is arranged outside the cabin shell, an inner ring plate is rotatably connected to the inner side of the outer ring plate, four connecting plates are fixedly connected to one side of the outer ring plate, and the four connecting plates are respectively slidably connected to the four walls of the cabin shell, and square plates are fixedly connected to the top and bottom of the cabin shell.

[0015] By adopting the above technical solution, the insert plate can drive the inner ring plate to rotate synchronously when rotating with the wheel hub.

[0016] Preferably, the four plug plates all penetrate the inner ring plate, and the plug plates are connected to the inner ring plate in a transverse sliding manner.

[0017] By adopting the above technical solution, the inner ring plate can move horizontally outside the plug plate.

[0018] Preferably, a push plate is provided on the outside of the threaded rod, both ends of the push plate are fixedly connected to the movable ring, the threaded rod passes through the push plate and is connected to the push plate by threads, and rectangular grooves are opened on the front and rear side walls of the U-shaped plate, and the push plate passes through the rectangular grooves and matches the rectangular grooves.

[0019] By adopting the above technical solution, after the threaded rod rotates, it can drive the push plate to move horizontally.

[0020] Preferably, a support plate is fixedly connected to the inner side of one of the plug plates, a fixing frame is provided at the bottom of the support plate, the fixing frame is fixedly connected to the outer side of the inner ring plate, a first round rod and a second round rod are rotatably connected to the inner side of the support plate, the first round rod and the second round rod both extend out of the support plate, the second round rod passes through a side wall of the plug plate and is rotatably connected to the plug plate, a first pulley is fixedly connected to the outside of the threaded rod, a second pulley is fixedly connected to the outside of the second round rod, a belt is provided between the first pulley and the second pulley, and the first pulley and the second pulley are connected by a belt.

[0021] By adopting the above technical solution, the threaded rod and the second round rod rotate synchronously through the transmission relationship between the first pulley and the second pulley.

[0022] Preferably, an electric push rod is fixedly connected to one side of the square plate, and one end of the electric push rod is fixedly connected to the inner side of the connecting plate.

[0023] By adopting the above technical solution, the electric push rod pushes and pulls the connected connecting plate after working.

[0024] Preferably, a rack is fixedly connected to the top of the fixing frame, an auxiliary gear is fixedly connected to the outside of the first round rod, the auxiliary gear is arranged on the outside of the support plate, the auxiliary gear is arranged on the top of the rack, and the auxiliary gear is meshed with the rack.

[0025] By adopting the above technical solution, the rack can drive the auxiliary gear to rotate after moving.

[0026] Preferably, a first bevel gear is fixedly connected to the outside of the first round rod, and the first bevel gear is arranged on the inner side of the support plate. A second bevel gear is fixedly connected to one end of the second round rod, and the second bevel gear is arranged on the front side of the first bevel gear, and the second bevel gear is meshed with the first bevel gear.

[0027] By adopting the above technical solution, the first round rod and the second round rod are transmitted through the transmission relationship between the first bevel gear and the second bevel gear.

[0028] In summary, the present invention includes the following beneficial technical effects:

[0029] An antifreeze wind turbine blade is designed with a blade mechanism. When an antifreeze operation is performed on a blade plate, the annular electric heating plate is powered on for heating, and the heat is transferred to a heat-conducting seat, a first heat-conducting block, a second heat-conducting block and a heat-conducting pipe in sequence. Finally, the heat is transferred from the heat-conducting pipe to the blade plate, which can effectively increase the temperature of the blade plate and achieve an antifreeze effect. By performing the above operation to transfer heat, the heating effect can be achieved by only fixing the annular electric heating plate on one side of a cabin shell. Moreover, since the annular electric heating plate does not need to rotate with the hub, the overall line laying and structure construction are relatively simpler and more convenient, and the operation is more flexible.

[0030] An antifreeze wind power generation blade is designed with a heat insulation component. During the operation of heating the blade plate, the annular heat insulation plate can isolate the temperature of the annular electric heating plate, thereby preventing the heat on the annular electric heating plate from being lost to the outside, thereby avoiding increased energy consumption and reduced heating efficiency. The heat insulation frame isolates the first heat conductive block from the outside, thereby preventing the heat on the first heat conductive block from being transferred to the inside of the hub, causing the temperature inside the hub to be too high and affecting its normal power generation work, thereby ensuring the stability of the heating work.

[0031] An antifreeze wind power generation blade, through the design of a positioning component, after controlling the outer ring plate to move horizontally, the threaded rod can be rotated through the transmission of various components, so as to control the movement of the card block, prompting the card block to be inserted into or leave the inside of the card slot, so that the blade plate can be quickly loaded and unloaded. The entire loading and unloading steps are simple and easy to operate, and do not require excessive human participation, which saves manpower and greatly improves the convenience of loading and unloading of the blade plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the structure of the present invention;

[0033] Figure 2 is a cross-sectional view of the structure of the present invention;

[0034] Figure 3 is a sectional top view of the present invention;

[0035] Figure 4 for Figure 3 The enlarged view of point A in the figure;

[0036] Figure 5 It is a cross-sectional structural diagram of the placement seat in the present invention;

[0037] Figure 6 for Figure 5 The enlarged view of point B in the figure;

[0038] Figure 7 for Figure 5 The enlarged view of point C in the figure;

[0039] Figure 8 is a sectional side view of the wheel hub of the present invention;

[0040] Fig. 9 It is a cross-sectional structural diagram of the blade plate in the present invention;

[0041] Fig.10 It is a side structural diagram of the present invention.

[0042] Explanation of reference numerals: 1. cabin shell; 2. hub; 3. shaft; 4. blade mechanism; 41. blade plate; 42. placement seat; 43. annular electric heating plate; 44. heat-conducting seat; 45. first heat-conducting block; 46. second heat-conducting block; 47. through groove; 48. heat-conducting pipe; 49. temperature sensor; 491. mounting seat; 492. annular heat insulation plate; 493. heat insulation frame; 494. moving ring; 495. positioning rod; 496. auxiliary rod; 497. clamping block; 498. clamping Groove; 499, U-shaped plate; 481, threaded rod; 482, plug plate; 483, outer ring plate; 484, inner ring plate; 485, connecting plate; 486, square plate; 487, push plate; 488, support plate; 489, fixing frame; 471, first round rod; 472, second round rod; 473, first pulley; 474, second pulley; 475, electric push rod; 476, rack; 477, auxiliary gear; 478, first bevel gear; 479, second bevel gear. DETAILED DESCRIPTION

[0043] The following is combined with Figure 1-10 The present invention is described in further detail.

[0044] The present invention discloses an antifreeze wind power generation blade. Figure 1-10 , an antifreeze wind turbine blade, comprising a nacelle shell 1, a hub 2 is arranged on one side of the nacelle shell 1, a shaft 3 is fixedly connected to a side wall of the hub 2, the shaft 3 penetrates a side wall of the nacelle shell 1 and is rotatably connected to the nacelle shell 1, and a blade mechanism 4 is arranged on the hub 2;

[0045] The blade mechanism 4 includes a blade plate 41, a placement seat 42 is fixedly connected to the inner wall of the hub 2, the blade plate 41 extends into the placement seat 42 and matches the placement seat 42, an annular electric heating plate 43 is fixedly connected to one side of the cabin shell 1, a heat-conducting seat 44 is fixedly connected to one side wall of the hub 2, the annular electric heating plate 43 extends into the heat-conducting seat 44 and is rotatably connected to the heat-conducting seat 44;

[0046] A first heat conducting block 45 is fixedly connected to one side of the heat conducting seat 44, and the first heat conducting block 45 passes through the wheel hub 2 and a side wall of the placement seat 42 in sequence. A second heat conducting block 46 is fixedly connected to one end of the blade plate 41, and a through groove 47 is provided on the second heat conducting block 46. The first heat conducting block 45 extends into the through groove 47 and matches the through groove 47. A heat conducting pipe 48 is fixedly connected to the inside of the blade plate 41, and one end of the heat conducting pipe 48 is fixedly connected to the second heat conducting block 46. When the blade plate 41 is subjected to the antifreeze operation, the annular electric heating plate 43 is energized and heated to heat the blade plate 41. The heat is transferred to the heat-conducting seat 44, the first heat-conducting block 45, the second heat-conducting block 46 and the heat-conducting pipe 48 in sequence, and finally the heat is transferred from the heat-conducting pipe 48 to the blade plate 41, which can effectively increase the temperature of the blade plate 41 to achieve an antifreeze effect. Through the above operation to transfer heat, it is only necessary to fix the annular heating plate 43 on one side of the cabin shell 1 to achieve the heating effect, and because the annular heating plate 43 does not need to rotate with the wheel hub 2, the laying of the overall line and the construction of the structure are relatively simpler and more convenient, and the operation is more flexible.

[0047] A temperature sensor 49 is fixedly connected to one side wall of the cabin shell 1. The temperature sensor 49 is electrically connected to the annular electric heating plate 43. The temperature sensor 49 can monitor the external temperature so that when there is a tendency for ice to form on the outside of the blade, the annular electric heating plate 43 can be controlled in advance to supply heat to improve the antifreeze efficiency.

[0048] The blade mechanism 4 also includes a heat insulation component, which includes a mounting seat 491, which is fixedly connected to a side wall of the hub 2, and a ring-shaped heat insulation plate 492 is fixedly connected to a side wall of the cabin shell 1, and the ring-shaped heat insulation plate 492 extends into the mounting seat 491 and matches the mounting seat 491. The ring-shaped heat insulation plate 492 is arranged on the outside of the annular electric heating plate 43, and a heat insulation frame 493 is fixedly connected between a side wall of the inner cavity of the hub 2 and the placement seat 42. The heat insulation frame 493 is arranged on the outside of the first heat conductive block 45. The annular heat insulation plate 492 can provide isolation protection for the annular electric heating plate 43 to prevent heat from being dissipated and lost to the outside, and the heat insulation frame 493 can isolate the heat of the first heat conductive block 45, which can prevent heat from entering the inside of the hub 2 and causing the internal temperature of the hub 2 to be too high, thereby affecting the power generation work, and can improve the safety of antifreeze work.

[0049] The blade mechanism 4 also includes a positioning component, which includes a moving ring 494, which is arranged inside the wheel hub 2, and a positioning rod 495 is fixedly connected to one side wall of the inner cavity of the wheel hub 2, and the positioning rod 495 penetrates the moving ring 494, and an auxiliary rod 496 is fixedly connected to the outer side of the moving ring 494, and a block 497 is fixedly connected to the auxiliary rod 496, and the block 497 penetrates the placement seat 42, and two slots 498 are provided on the blade plate 41, and the two slots 498 are symmetrically distributed on the blade plate 41, and the block 497 penetrates the slot 498 and matches the slot 498, and a U-shaped plate 499 is fixedly connected to the inside of the wheel hub 2, and the inner side of the U-shaped plate 499 A threaded rod 481 is rotatably connected, and the threaded rod 481 extends out of the wheel hub 2 and is rotatably connected to the wheel hub 2. Four plug plates 482 are fixedly connected to the outside of the wheel hub 2. The four plug plates 482 are equally spaced and distributed around the outside of the wheel hub 2. An outer ring plate 483 is arranged on the outside of the cabin shell 1. An inner ring plate 484 is rotatably connected to the inner side of the outer ring plate 483. Four connecting plates 485 are fixedly connected to one side of the outer ring plate 483. The four connecting plates 485 are respectively slidably connected to the surrounding walls of the cabin shell 1. Square plates 486 are fixedly connected to the top and bottom of the cabin shell 1. The plug plates 482 can drive the inner ring plate 484 to rotate synchronously when rotating with the wheel hub 2.

[0050] The four plug plates 482 all penetrate the inner ring plate 484, and the plug plates 482 are connected to the inner ring plate 484 in a transverse sliding manner. After the plug plates 482 penetrate the inner ring plate 484, the inner ring plate 484 can move horizontally on the outside of the plug plates 482. A push plate 487 is arranged on the outside of the threaded rod 481. Both ends of the push plate 487 are fixedly connected to the moving ring 494. The threaded rod 481 penetrates the push plate 487 and is connected to the push plate 487 by threads. Rectangular grooves are provided on the front and rear side walls of the U-shaped plate 499. The push plate 487 penetrates the rectangular groove and matches the rectangular groove. After the threaded rod 481 rotates, the push plate 487 can be driven to move horizontally.

[0051] A support plate 488 is fixedly connected to the inner side of one of the plug plates 482, a fixing frame 489 is provided at the bottom of the support plate 488, and the fixing frame 489 is fixedly connected to the outer side of the inner ring plate 484, and a first round rod 471 and a second round rod 472 are rotatably connected to the inner side of the support plate 488, and the first round rod 471 and the second round rod 472 both extend out of the support plate 488, and the second round rod 472 penetrates a side wall of the plug plate 482 and is rotatably connected to the plug plate 482, a first pulley 473 is fixedly connected to the outer side of the threaded rod 481, and a second pulley 474 is fixedly connected to the outer side of the second round rod 472, a belt is provided between the first pulley 473 and the second pulley 474, and the first pulley 473 and the second pulley 474 are connected by a belt, and the threaded rod 481 and the second round rod 472 are synchronously rotated through the transmission relationship between the first pulley 473 and the second pulley 474;

[0052] An electric push rod 475 is fixedly connected to one side of the square plate 486, and one end of the electric push rod 475 is fixedly connected to the inner side of the connecting plate 485. After the electric push rod 475 works, it pushes and pulls the connected connecting plate 485. A rack 476 is fixedly connected to the top of the fixed frame 489. An auxiliary gear 477 is fixedly connected to the outside of the first round rod 471. The auxiliary gear 477 is set on the top of the rack 476, and the auxiliary gear 477 is meshed with the rack 476. After the rack 476 moves, it can drive the auxiliary gear 477 to rotate. A first bevel gear 478 is fixedly connected to the outside of a round rod 471, and the first bevel gear 478 is arranged on the inner side of a support plate 488. An auxiliary gear 477 is arranged on the outer side of the support plate 488. A second bevel gear 479 is fixedly connected to one end of a second round rod 472, and the second bevel gear 479 is arranged on the front side of the first bevel gear 478. The second bevel gear 479 is meshed with the first bevel gear 478. Transmission is performed between the first round rod 471 and the second round rod 472 through the transmission relationship between the first bevel gear 478 and the second bevel gear 479.

[0053] In actual operation, the device is first powered on, and the hub 2 rotates during power generation. At this time, the hub 2 drives the heat-conducting seat 44 to rotate outside the annular electric heating plate 43. During this period, the heat-conducting seat 44 and the annular electric heating plate 43 always maintain contact, so the annular electric heating plate 43 can achieve stable heat supply after power is turned on for heating.

[0054] During the specific antifreeze heating, the annular electric heating plate 43 is energized to generate heat, and the heat is transferred to the heat-conducting seat 44, the first heat-conducting block 45, the second heat-conducting block 46 and the heat-conducting pipe 48 in sequence. Finally, the heat is transferred from the heat-conducting pipe 48 to the blade plate 41, which can effectively increase the temperature of the blade plate 41 to achieve the antifreeze effect. The temperature sensor 49 can monitor the external temperature. When the temperature drops to a level that may cause ice to form, the annular electric heating plate 43 starts to work, thereby achieving the purpose of controlling the annular electric heating plate 43 to preheat the blade plate 41 in advance, effectively improving the antifreeze efficiency.

[0055] In the above work of heating and antifreezing the blade plate 41, the annular heat insulation plate 492 is arranged on the outside of the annular electric heating plate 43, which can isolate the temperature of the annular electric heating plate 43 and prevent the heat on the annular electric heating plate 43 from being lost to the outside, thereby effectively avoiding the increase of energy consumption and the reduction of heating efficiency. The heat insulation frame 493 is similar to the annular heat insulation plate 492, and can isolate the first heat conductive block 45 from the outside, thereby preventing the heat on the first heat conductive block 45 from being transferred to the inside of the hub 2, causing the temperature inside the hub 2 to be too high and affecting its normal power generation work, and the same heat loss leads to low heating efficiency, thereby ensuring the stability of the heating work;

[0056] Finally, the fan blades in the device can be flexibly loaded and unloaded. When the wheel hub 2 in the device rotates, it will drive the external plug plate 482 to rotate. After the plug plate 482 rotates, it drives the inner ring plate 484 to rotate. Since the plug plate 482 penetrates the inner ring plate 484 and is slidably connected to the inner ring plate 484, the plug plate 482 can drive the inner ring plate 484 to rotate, and the inner ring plate 484 can also move horizontally outside the plug plate 482. There is a certain friction between the push plate 487 and the rectangular groove on the U-shaped plate 499 and between the block 497 and the groove 498. The existence of this friction makes it necessary to apply a certain force to the threaded rod 481 before its rotation can be controlled. In this way, when the wheel hub 2 rotates, the threaded rod 481 can rotate synchronously with the wheel hub 2, avoiding the situation where the push plate 487 moves when the threaded rod 481 and the wheel hub 2 do not rotate synchronously. It can be seen from the above connection relationship that at this time, the threaded rod 481 and the second round rod 472 are in a relatively static state.

[0057] When the blade plate 41 needs to be removed, the electric push rod 475 works and pulls the connecting plate 485, the connecting plate 485 drives the outer ring plate 483 to move, the outer ring plate 483 drives the inner ring plate 484 to move, the inner ring plate 484 drives the fixing frame 489 to move, the fixing frame 489 drives the rack 476 to move, the rack 476 drives the auxiliary gear 477 to rotate, the auxiliary gear 477 drives the first round rod 471 to rotate, the first round rod 471 drives the first bevel gear 478 to rotate, the first bevel gear 478 drives the second bevel gear 479 to rotate, the second bevel gear 479 drives the second round rod 472 to rotate, the second round rod 472 drives the second pulley 474 to rotate, and the second pulley 474 drives the first belt pulley 474 through the belt The wheel 473 rotates, the first pulley 473 drives the threaded rod 481 to rotate, the threaded rod 481 drives the push plate 487 to move, the push plate 487 drives the moving ring 494 to move, the moving ring 494 drives the auxiliary rod 496 to move, and the auxiliary rod 496 drives the card block 497 to leave the card slot 498, so that the blade plate 41 can be pulled out from the inside of the hub 2. Similarly, when the blade plate 41 needs to be installed, it is only necessary to insert the blade plate 41 into the placement seat 42, repeat the above similar operation steps, control the card block 497 to insert the card slot 498, and complete the installation and positioning of the blade plate 41. The entire loading and unloading steps are simple and easy to operate, and do not require excessive manual participation, which greatly improves the convenience of loading and unloading of the blade plate 41.

[0058] The above are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An antifreeze wind turbine blade, comprising a nacelle shell (1), characterized in that: A wheel hub (2) is provided on one side of the cabin shell (1); a shaft rod (3) is fixedly connected to a side wall of the wheel hub (2); the shaft rod (3) passes through a side wall of the cabin shell (1) and is rotatably connected to the cabin shell (1); and a blade mechanism (4) is provided on the wheel hub (2); The blade mechanism (4) comprises a blade plate (41), a placement seat (42) is fixedly connected to the inner wall of the hub (2), the blade plate (41) extends into the placement seat (42) and matches the placement seat (42), an annular electric heating plate (43) is fixedly connected to one side of the cabin shell (1), a heat conducting seat (44) is fixedly connected to one side wall of the hub (2), the annular electric heating plate (43) extends into the heat conducting seat (44) and is rotatably connected to the heat conducting seat (44), and one side of the heat conducting seat (44) is fixedly connected to the inner wall of the hub (2). A first heat-conducting block (45) is connected, and the first heat-conducting block (45) passes through the hub (2) and a side wall of the placement seat (42) in sequence; one end of the blade plate (41) is fixedly connected to a second heat-conducting block (46), and a through groove (47) is provided on the second heat-conducting block (46); the first heat-conducting block (45) extends into the through groove (47) and matches the through groove (47); a heat-conducting pipe (48) is fixedly connected to the inside of the blade plate (41), and one end of the heat-conducting pipe (48) is fixedly connected to the second heat-conducting block (46).

2. The antifreeze wind turbine blade according to claim 1, characterized in that: A temperature sensor (49) is fixedly connected to one side wall of the cabin shell (1), and the temperature sensor (49) is electrically connected to the annular electric heating plate (43).

3. The antifreeze wind turbine blade according to claim 1, characterized in that: The blade mechanism (4) further comprises a heat insulation component, the heat insulation component comprising a mounting seat (491), the mounting seat (491) being fixedly connected to a side wall of the hub (2), an annular heat insulation plate (492) being fixedly connected to a side wall of the cabin shell (1), the annular heat insulation plate (492) extending into the interior of the mounting seat (491) and matching with the mounting seat (491), the annular heat insulation plate (492) being arranged on the outside of the annular electric heating plate (43), a heat insulation frame (493) being fixedly connected between a side wall of the inner cavity of the hub (2) and the placement seat (42), the heat insulation frame (493) being arranged on the outside of the first heat conductive block (45).

4. The antifreeze wind turbine blade according to claim 1, characterized in that: The blade mechanism (4) further comprises a positioning assembly, the positioning assembly comprising a moving ring (494), the moving ring (494) being arranged inside the wheel hub (2), a positioning rod (495) being fixedly connected to a side wall of the inner cavity of the wheel hub (2), the positioning rod (495) penetrating the moving ring (494), an auxiliary rod (496) being fixedly connected to the outer side of the moving ring (494), a clamping block (497) being fixedly connected to the auxiliary rod (496), the clamping block (497) penetrating the placement seat (42), a clamping slot (498) being provided on the blade plate (41), the clamping block (497) penetrating the clamping slot (498) and matching the clamping slot (498), and a U-shaped plate (499) being fixedly connected to the inside of the wheel hub (2). The U-shaped plate (499) is rotatably connected to a threaded rod (481) on the inner side, the threaded rod (481) extends out of the wheel hub (2) and is rotatably connected to the wheel hub (2), the wheel hub (2) is fixedly connected to four plug plates (482) on the outer side, the four plug plates (482) are equidistantly distributed around the outer side of the wheel hub (2), an outer ring plate (483) is arranged on the outside of the cabin shell (1), the inner side of the outer ring plate (483) is rotatably connected to an inner ring plate (484), one side of the outer ring plate (483) is fixedly connected to four connecting plates (485), the four connecting plates (485) are respectively slidably connected to the four walls of the cabin shell (1), and the top and bottom of the cabin shell (1) are fixedly connected to square plates (486).

5. The antifreeze wind turbine blade according to claim 4, characterized in that: The four inserting plates (482) all penetrate the inner ring plate (484), and the inserting plates (482) are connected to the inner ring plate (484) in a transverse sliding manner.

6. The antifreeze wind turbine blade according to claim 4, characterized in that: A push plate (487) is disposed outside the threaded rod (481), and both ends of the push plate (487) are fixedly connected to the moving ring (494). The threaded rod (481) passes through the push plate (487) and is connected to the push plate (487) by means of threads. Rectangular grooves are provided on the front and rear side walls of the U-shaped plate (499), and the push plate (487) passes through the rectangular grooves and matches the rectangular grooves.

7. The antifreeze wind turbine blade according to claim 4, characterized in that: A support plate (488) is fixedly connected to the inner side of one of the plug plates (482); a fixing frame (489) is provided at the bottom of the support plate (488); the fixing frame (489) is fixedly connected to the outer side of the inner ring plate (484); a first round rod (471) and a second round rod (472) are rotatably connected to the inner side of the support plate (488); the first round rod (471) and the second round rod (472) both extend outside the support plate (488); the second round rod (472) penetrates a side wall of the plug plate (482) and is rotatably connected to the plug plate (482); a first belt pulley (473) is fixedly connected to the outer side of the threaded rod (481); a second belt pulley (474) is fixedly connected to the outer side of the second round rod (472); a belt is provided between the first belt pulley (473) and the second belt pulley (474); and the first belt pulley (473) and the second belt pulley (474) are connected via the belt.

8. The antifreeze wind turbine blade according to claim 4, characterized in that: An electric push rod (475) is fixedly connected to one side of the square plate (486), and one end of the electric push rod (475) is fixedly connected to the inner side of the connecting plate (485).

9. The antifreeze wind turbine blade according to claim 7, characterized in that: A rack (476) is fixedly connected to the top of the fixing frame (489), an auxiliary gear (477) is fixedly connected to the outside of the first round rod (471), the auxiliary gear (477) is arranged on the outside of the support plate (488), the auxiliary gear (477) is arranged on the top of the rack (476), and the auxiliary gear (477) is meshed with the rack (476).

10. The antifreeze wind turbine blade according to claim 7, characterized in that: The first round rod (471) is fixedly connected to the outside with a first bevel gear (478), the first bevel gear (478) is arranged on the inner side of the support plate (488), one end of the second round rod (472) is fixedly connected to a second bevel gear (479), the second bevel gear (479) is arranged on the front side of the first bevel gear (478), and the second bevel gear (479) is meshed with the first bevel gear (478).

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