CN116557207A - A high-voltage iron tower-mounted H-type wind power generator and its control method - Google Patents

Abstract

The invention provides a high-voltage iron tower-mounted H-shaped wind driven generator which comprises a three-box generator, a fan base arranged on the three-box generator, a secondary gear accelerator and a lifting main shaft, wherein an input shaft of the secondary gear accelerator is in transmission connection with the lifting main shaft through a flexible coupling, an output shaft of the secondary gear accelerator is in transmission connection with the input shaft of the three-box generator, a fan protection shell is arranged on the periphery of the fan base, a lifting wind-guiding protection blade is arranged in the fan protection shell in a ring shape, the lifting main shaft is connected with a telescopic blade through a telescopic connecting rod, the telescopic blade can stretch along the axial direction of the lifting main shaft, and the telescopic blade is positioned on the inner side of the wind-guiding protection blade when the wind-guiding protection blade is lifted. The invention has the effect of improving the pitch range and the structural strength of the wind driven generator.

Description

A high-voltage iron tower-mounted H-type wind power generator and its control method

technical field

The invention relates to the technical field of small-scale wind power and iron tower sensor power supply, in particular to a high-voltage iron tower-mounted H-type wind power generator and a control method thereof.

Background technique

The H-type vertical axis wind turbine adopts the principle of aerodynamics, and is aimed at the wind tunnel simulation of vertical axis rotation. The blades are in the shape of an aircraft wing. When the wind wheel rotates, it will not be affected by deformation and change efficiency; it uses The vertical straight line consists of 4-5 blades, and the wind wheel is fixed by a 4-angle or 5-angle hub and connected with the blades. The electrical energy used. At present, in the field of smart tower power transmission, especially for sensor power supply, small vertical axis wind turbines have a large market, and many types of wind turbines have been tested on different towers, and all have achieved good results; and this method Compared with photovoltaic power supply, the power supply can obtain more and stable power, and can supply stable power to the sensor, reducing the probability of the sensor shutting down due to insufficient power.

However, in related technical solutions, especially during the operation of wind turbines, although the problems of low power generation and power generation efficiency have been solved to a certain extent, there are generally three problems in related technical solutions: one is low structural strength , the protection device is missing, which is easy to cause damage to the equipment in bad weather; second, the lack of pitch structure or the small expansion range of the pitch structure makes it difficult to adapt the rotation characteristics of the fan blades to the current wind speed to maximize the power; third, the main shaft is not strong enough, easy to Deformation occurs under complex weather conditions, affecting normal wind power generation.

Contents of the invention

Aiming at the deficiencies in the prior art, the present invention provides a high-voltage tower-mounted H-type wind power generator and its control method, which solves the problems of low structural strength and pitch range of the wind power generator in the prior art small problem.

According to an embodiment of the present invention, a high-voltage iron tower-mounted H-type wind power generator includes a three-box generator, a fan base arranged on the three-box generator, and a two-stage gear accelerator and a lifting main shaft arranged on the fan base, The input shaft of the two-stage gear accelerator is connected to the lifting main shaft through a flexible coupling, and the output shaft of the two-stage gear accelerator is connected to the input shaft of the three-box generator. There are liftable wind guide protection blades arranged around the ring, and the lift spindle is connected with telescopic blades through telescopic connecting rods. The telescopic blades can expand and contract along the axial direction of the lift spindle. inner side of the leaf.

Preferably, the telescopic blades include telescopic base blades and telescopic top blades, the lifting main shaft includes a solid shaft at the top and a hollow shaft at the bottom, the solid shaft is slidably arranged coaxially on the top of the hollow shaft, and the hollow shaft is arranged for controlling the solid shaft. A telescopic push rod motor, the hollow shaft and the solid shaft are connected with the telescopic connecting rod, and the telescopic base blade and the telescopic top blade are respectively connected through the telescopic connecting rod, and the telescopic connecting rod is a connecting rod structure arranged with a push rod motor .

Preferably, the connecting end of the telescopic connecting rod and the telescopic blade is provided with a fan blade connecting shaft, the axial direction of the fan blade connecting shaft is parallel to the axial direction of the telescopic blade, and the telescopic blade is fixedly connected to the fan blade connecting shaft , the telescopic connecting rod is provided with a small rotating motor for controlling the rotation of the fan blade connecting shaft.

Preferably, one side of the telescopic blade is a plane, and the other side is an arc-shaped surface, and the inner sides of the telescopic blades equidistantly arranged around the lifting main shaft are all plane or arc-shaped surfaces.

Preferably, the flexible coupling includes a bite tube, a fixing bolt and a shock-absorbing spring. An annular protrusion is provided on the outside of one end of the bite tube, and an opening for installing the fixing bolt is opened radially on the outside of the protrusion. , the other end of the occlusal tube is provided with a serrated opening, the input shaft of the secondary gear accelerator and the lifting spindle are all provided with a occlusal tube, and the opening ends of the two occlusal tubes are mutually occlusal, and the damping spring is arranged on the two occlusal tubes between.

Preferably, the occlusal serrations at the open end of the occlusal tube are all provided with chamfers.

Preferably, the two-stage gear accelerator includes an output shaft, a bottom case, a bull gear, a planetary gear, a planet carrier, a top case, fixing screws and an input shaft, the output shaft is connected to the input shaft of the three-box generator, and the top case is A disc with one end open, the top shell is connected to the open end of the bottom shell through fixing screws, the bottom shell is arranged on the base of the fan, and two sets of planetary gear sets are arranged in the bottom shell, and the two sets of planetary gear sets Both are equipped with a large gear, the large gear is a fixed ring gear, the two sets of planetary gear sets use the planetary carrier as the power input end, the sun gear is the power output end, and one end of the input shaft passes through the flexible coupling and the lifting main shaft Transmission connection, the other end of the input shaft is provided with three output shafts, and the planetary gears are connected through the output shafts, and the planetary gears mesh with the sun gear and the bull gear as the power output end.

Preferably, the top of the fan protection shell is provided with a slot hole, and the bottom of the slot hole is provided with a push rod motor. The output end of the push rod motor is connected to a lifting platform vertically slidably arranged in the slot hole. The motor drives the vertical rotation and is installed on the lifting platform.

Preferably, the wind guide protection blade is a two-stage liftable blade, a push rod motor is arranged inside the wind guide protection blade, and the horizontal section of the wind guide protection blade is elliptical.

A control method for a high-voltage iron tower-mounted H-type wind generator, comprising the following steps: Step 1. According to the real-time power generation situation displayed by the power meter mounted on the three-box generator, and the recorded power generation power fluctuation situation, judge the wind power Size; Step 2. Adjust the lifting blades according to the result of the judged wind force. When the wind force is judged to be large, the push rod motor that controls the telescopic connecting rod shrinks, driving the telescopic connecting rod to shrink and reduce the pitch; when the wind force is judged to be small , to control the stretching of the push rod motor of the telescopic connecting rod, which drives the stretching of the telescopic connecting rod to increase the pitch; Step 3. When judging that the wind force is too strong, control the stretching of the push rod motor arranged at the bottom of the slot hole of the fan protection shell , Push the wind guide protection blades out of the fan protection shell, so that the telescopic blades are located inside the wind guide protection blades, and then control the motor on the lifting platform to drive the wind guide protection blades to rotate, guide the incoming air, and maintain the three-box generator Step 4: When judging that the wind force is too low, control the elongation of the lifting main shaft, drive the telescopic blades to elongate through the telescopic connecting rod, so that the telescopic top blades protrude from the telescopic base blades; then control the pitch to increase, and Adjust the angle of the telescopic blade so that the plane side of the telescopic blade faces the windward side.

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

1. The retractable blades are arranged as the driving blades of the lifting spindle, which can shrink when the wind is strong, reduce the stress area of the blades, and reduce the force of the lifting spindle. When the wind is small, they can be elongated to increase the blade force. Increase the force bearing area, increase the rotating speed of the lifting spindle, and then increase the power generation of the three-box generator.

2. The propeller pitch is adjusted by the telescopic connecting rod, which is arranged horizontally, and its length can be adjusted in a wide range; it can be adjusted in real time according to the generating power of the three-box generator, and the maximum generating power can be obtained under low wind force.

3. The liftable wind guide protection blades can surround the telescopic blades in the middle, guide the wind to the telescopic blades through the gap between adjacent wind guide protection blades, and then drive the lifting spindle to rotate to generate power; filter out the mess To avoid the confusion of the wind direction, reduce the speed of the fan, and affect the power generation efficiency; at the same time, the raised wind guide protection blade can reduce the erosion of the middle telescopic blade by wind and sand, and reduce the wear and tear of the equipment.

4. The two-stage gear accelerator increases the input speed of the lifting spindle to increase the speed of the input shaft of the three-box generator, so that the three-box generator can meet the normal working requirements; at the same time, when the speed is increased, the pitch will inevitably be increased , which will increase the torque of the fan blades and reduce the speed of the fan blades. Setting the two-stage gear accelerator can maintain the stable power generation of the three-box generator.

5. The flexible coupling can achieve a stable connection between the lifting spindle and the input shaft, and keep the lifting spindle and the input shaft coaxially rotating. The offset caused by the loss of equipment; and the flexible design can reduce the vibration caused by the high-speed rotation of the main shaft, avoid vibration damage to the internal precision equipment, and make the fan run smoothly.

6. The inner side of the telescopic fan blade is a flat surface, and the outer side is an arc-shaped surface. The telescopic fan blade can rotate in the vertical direction. The wind-receiving area of the fan blade can be adjusted by a small self-rotating motor, so that the posture of the telescopic fan blade changes with the wind speed. Change and change to achieve the effect of maximizing power generation.

7. The bottom of the lifting spindle is located inside the protective shell of the fan, and the lifting spindle can be telescopically adjusted, which reduces the wind force on the lifting spindle and improves the stability of the lifting spindle.

Description of drawings

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

Fig. 2 is a front view of the embodiment of the present invention.

Fig. 3 is a schematic diagram of the internal structure of the embodiment of the present invention.

Fig. 4 is a top view of an embodiment of the present invention.

Fig. 5 is an exploded view of the two-stage gear accelerator in the embodiment of the present invention.

Fig. 6 is a perspective view of the flexible coupling in the embodiment of the present invention.

Fig. 7 is a sectional view of the flexible coupling in the embodiment of the invention.

Fig. 8 is a shrinkage diagram of fan blades in the embodiment of the present invention (lifting main shaft is raised).

Fig. 9 is a shrinkage diagram of the fan blade in the embodiment of the present invention (the elevating main shaft falls).

Fig. 10 is a drawing of fan blade extension in the embodiment of the present invention (the elevating main shaft falls).

Fig. 11 is a drawing of fan blade extension in the embodiment of the present invention (lifting main shaft is raised).

Fig. 12 is a drawing of the fan blade of the wind guide protection in the embodiment of the present invention.

In the above drawings: 1. Three-box generator; 3. Wind guide protection blade; 4. Fan blade cover; 5. Telescopic base blade; 6. Telescopic top blade; 7. Telescopic connecting rod; 8. Lifting spindle; 9 , flexible coupling; 10, fan protection shell; 11, base bracket; 12, fan base; 13, main shaft fixing cylinder; 14, main shaft bearing; 15, output shaft; 16, bottom shell; 17, large gear; 18, Planetary gear; 19, planet carrier; 20, top case; 21, fixing screw; 22, input shaft; 23, fixing bolt; 24, bite tube; 25, shock absorbing spring.

Detailed ways

The technical solutions in the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

As shown in Figure 1-11, in order to increase the strength of the wind turbine, increase the pitch range of the wind turbine. The present invention proposes a high-voltage iron tower tower-mounted H-type wind power generator, including a three-box generator 1, a fan base 12 arranged on the three-box generator 1, and a secondary gear accelerator and a lifting spindle arranged on the fan base 12 8. The input shaft of the secondary gear accelerator is connected to the lifting main shaft 8 through the flexible coupling 9, the output shaft of the secondary gear accelerator is connected to the input shaft of the three-box generator 1, and the fan base 12 is equipped with fan protection Shell 10, fan protection shell 10 is arranged with liftable wind guide protection blades 3 around the ring, the lift spindle 8 is connected with telescopic blades through the telescopic connecting rod 7, and the telescopic blades can be stretched along the axial direction of the lift spindle 8. When the blade 3 is lifted, the telescopic blade is positioned at the inner side of the wind guide protection blade 3 .

The telescopic blade is connected to the lifting main shaft 8, and the telescopic adjustment of the telescopic blade is realized according to the telescopic adjustment of the lifting main shaft 8. The lifting main shaft 8 adjusts the height of the fan blade according to the wind speed. The wind area is easy to start. When the wind speed is high, it is in a lowered state to reduce the wind area and avoid fan blade stall. The fan base 12 has a disc-shaped structure, the bottom of the fan base 12 is connected to the base bracket 11, and the bottom center of the base bracket 11 is provided with a generator cabin. The three-box generator 1 is installed in the generator cabin. The outer ring of the fan base 12 is arranged with The ring-shaped supporting frame supports the secondary gear accelerator; the top of the fan base 12 is equipped with a main shaft fixing cylinder 13, and the main shaft fixing cylinder 13 is equipped with a main shaft bearing 14, and the bottom of the lifting main shaft 8 is rotated and installed by the main shaft bearing 14 Inside the main shaft fixing cylinder 13 , the flexible coupling 9 is arranged below the main shaft fixing cylinder 13 .

As shown in Figure 8-11, in order to realize the lifting spindle 8 drives the telescopic movement of the telescopic blade. The telescopic blades include telescopic base blades 5 and telescopic top blades 6. The lifting spindle 8 includes a solid shaft at the top and a hollow shaft at the bottom. The solid shaft is slidably arranged coaxially on the top of the hollow shaft. A telescopic push rod motor, the hollow shaft and the solid shaft are connected with the telescopic connecting rod 7, and the telescopic base blade 5 and the telescopic top blade 6 are respectively connected through the telescopic connecting rod 7, and the telescopic connecting rod 7 is arranged with a push rod The connecting rod structure of the motor.

The push rod motor is arranged in the hollow shaft of the lift main shaft 8, and the movable end of the push rod motor is fixedly connected to the bottom end of the solid shaft of the lift main shaft 8, and the push rod motor drives the solid shaft of the lift main shaft 8 to move in the vertical direction; The main shaft 8 is connected with three telescopic blades through the telescopic connecting rod 7. The telescopic base blade 5 in the telescopic blade is connected to the hollow shaft of the lifting main shaft 8, and the telescopic top blade 6 in the telescopic blade is connected to the solid shaft of the lifting main shaft 8. When adjusting the height of the solid shaft, the solid shaft drives the telescopic top blade 6 to move synchronously through the telescopic connecting rod 7 to realize the length adjustment of the telescopic blade.

As shown in Figure 4 and Figure 10, in order to realize the adjustment of the wind receiving area of the telescopic blade. The connecting end of the telescopic connecting rod 7 and the telescopic blade is provided with a fan blade connecting shaft, the axial direction of the fan blade connecting shaft is parallel to the axial direction of the telescopic blade, and the telescopic blade is fixedly connected to the fan blade connecting shaft, so The telescopic connecting rod 7 is provided with a small rotating motor for controlling the rotation of the fan blade connecting shaft. According to the wind direction, the wind-receiving angle of the telescopic blades is adjusted to increase the wind-receiving area of the telescopic blades. Similarly, the wind-receiving area of the telescopic blades can be adjusted according to the wind speed to maximize the power generation.

As shown in Fig. 4 and Fig. 10, in order to reduce the impact on the speed of the telescopic blades after the wind surface is exposed to the wind. One side of the telescopic blade is a plane, and the other side is an arc-shaped surface, and the inner sides of the telescopic blades arranged equidistantly around the lifting main shaft 8 are all plane or arc-shaped surfaces. The flat surface on one side of the telescopic blade is used as the windward surface, and the curved surface on the other side is used as the windward surface. The curved surface can realize the diversion of the wind and reduce the impact of headwind on the rotation of the telescopic blade.

As shown in Fig. 6 and Fig. 7, in order to realize the flexible transmission connection between the lifting main shaft 8 and the two-stage gear accelerator. The flexible coupling 9 includes a joint pipe 24, a fixing bolt 23 and a damping spring 25. An annular protrusion is arranged on the outer side of one end of the joint pipe 24, and a ring-shaped protrusion is arranged on the outer side of the protrusion along the radial direction for installing a fixing bolt. 23 openings, the other end of the bite tube 24 is provided with a serrated opening, the input shaft of the secondary gear accelerator and the lifting main shaft are all provided with a bite tube 24, and the opening ends of the two bite tubes 24 are mutually occluded, shock-absorbing The spring 25 is arranged between the two snapping tubes 24 . The bottom end of the lifting spindle 8 and the input end of the secondary gear accelerator are respectively connected to two bite tubes 24. After the bite tubes 24 are assembled, the ring-shaped protruding end of the bite tube 24 is fixed with the fixing bolt 23. The ring-shaped protruding Four threaded holes are equidistantly arranged on the side wall around the axis, and the fixing bolts 23 are threadedly connected in the threaded holes to lock the occlusal tube 24; the two occlusal tubes 24 are occluded through the open end, and the staggered continuous serrations can The better occlusion makes the two occlusal tubes 24 form an integral tube with wavy gaps, thereby realizing the force transmission of the lifting spindle 8 . The shock absorbing spring 25 is arranged between the two occlusal tubes 24. When there is an axial offset between the lifting spindle 8 and the input end of the secondary gear accelerator, the shock absorbing spring 25 can be corrected by elastic reset to ensure that the lifting spindle 8 It is coaxial with the input end of the two-stage gear accelerator, and the damping spring can slow down the vibration of the lifting spindle 8 and buffer the huge pressure brought by the high torque, thereby reducing the wear on the precision parts inside the fan.

As shown in Figure 7, in order to enhance the strength of the sawtooth, reduce the deformation of the sawtooth. The occlusal serrations at the open end of the occlusal tube 24 are all provided with chamfers.

As shown in FIG. 5 , in order to realize the amplification of the input rotational speed of the lifting spindle 8 . The two-stage gear accelerator includes an output shaft 15, a bottom case 16, a bull gear 17, a planetary gear 18, a planet carrier 19, a top case 20, a fixing screw 21 and an input shaft 22, and the output shaft 15 is connected to the three-box generator 1 The input shaft is connected, the bottom case 16 is a disc with one end open, and the top case 20 is connected to the open end of the bottom case 16 through a fixing screw 21. The bottom case 16 is arranged on the fan base 12, and the bottom case 16 is provided with two The planetary gear set arranged in a group transmission, the two sets of planetary gear sets are equipped with a large gear 17, the large gear 17 is a fixed ring gear, the two sets of planetary gear sets use the planetary carrier 19 as the power input end, and the sun gear as the power input At the output end, one end of the input shaft 22 is connected to the lifting main shaft 8 through the flexible coupling 9, and the other end of the input shaft 22 is provided with three output shafts, and is connected to the planetary gear 18 through the output shaft, and the planetary gear 18 is connected as The sun gear at the power take-off end meshes with the bull gear. With the planetary carrier 19 as the input end and the sun gear as the output end, the large gear 17 (ring gear) is fixed to realize the amplification of the rotational speed.

As shown in Fig. 4 and Fig. 5, in order to realize the lifting drive of the wind guide protection blade 3. The top of the fan protection shell 10 is provided with a slotted hole, and the bottom of the slotted hole is provided with a push rod motor. The drive to rotate vertically is installed on the lifting platform. Install a push rod motor at the inner bottom of the slot, set a rectangular opening at both ends of the slot, the opening is parallel to the direction of the slot, and the two ends of the lifting platform fit the inner side wall of the opening to realize the guidance of the lifting platform; When the wind guide protection blade 3 is accommodated in the slot, there is a gap between the outer wall of the wind guide protection blade 3 and the inner wall of the slot hole, and an opening and closing cover is arranged on the top of the wind guide protection blade 3, and the guide is driven by the lifting platform. After the wind protection blade 3 completely enters the slot hole, the opening and closing cover enters the top of the slot hole, and realizes the sealing of the top of the slot hole, which is used to reduce the intake of dust and rainwater inside the slot hole, and avoid blockage and corrosion of the slot hole. Affect the lifting of the wind guide protection blade 3. The top of the lifting platform is provided with a rotating control rod, and the wind guiding protection blade 3 is fixedly installed on the rotating controlling rod, and the rotation of the rotating controlling rod is driven by a motor to realize the rotation of the wind guiding protecting blade 3 .

As shown in Figure 4. The wind guide protection blade 3 is a two-stage liftable blade, and a push rod motor is arranged inside the wind guide protection blade 3 , and the horizontal section of the wind guide protection blade 3 is elliptical. The guidance of the wind direction by the wind guide protection blade 3 avoids turbulence and reduces the speed of the fan, reducing the impact on power generation efficiency, and the setting of the two-stage liftable blade greatly saves the depth of the slot, saves space, and increases The lifting range of the blade is greatly improved, and the telescopic blade of the fan is effectively protected.

A control method for a high-voltage iron tower-mounted H-type wind generator, comprising the following steps: Step 1, according to the real-time power generation situation shown by the power meter mounted on the three-box generator 1, and the recorded power generation fluctuation situation, Judging the size of the wind force; step 2, adjusting the lifting blades according to the result of the size of the wind force judged, when the wind force is judged to be large, the push rod motor of the telescopic connecting rod 7 is controlled to shrink, and the telescopic connecting rod 7 is driven to shrink, reducing the pitch; When it is judged that the wind force is small, the push rod motor controlling the telescopic connecting rod 7 stretches out, driving the telescopic connecting rod 7 to elongate, and increasing the pitch; The push rod motor at the bottom stretches out, and the wind guide protection blade 3 is released from the fan protection shell 10, so that the telescopic blade is positioned at the inner side of the wind guide protection blade 3, and then the motor on the lifting platform is controlled to drive the wind guide protection blade 3 to rotate. The air intake is diverted to maintain the high generating power of the three-box generator 1; Step 4, when it is judged that the wind force is too low, control the elongation of the lifting main shaft 8, and drive the telescopic blades to elongate through the telescopic connecting rod 7, so that the telescopic top blades 6 Stretch out from the telescopic base blade 5; then control the pitch increase, and adjust the angle of the telescopic blade so that the plane side of the telescopic blade faces the windward side.

Claims (10)

1. A high-voltage iron tower-mounted H-shaped wind driven generator is characterized in that: including three case generator (1), fan base (12) that set up on three case generator (1) and arrange secondary gear accelerator and lift main shaft (8) on fan base (12), secondary gear accelerator's input shaft passes through flexible coupling (9) and is connected with lift main shaft (8) transmission, secondary gear accelerator's output shaft is connected with the input shaft transmission of three case generator (1), fan protective housing (10) have been arranged in the periphery of fan base (12), wind guiding protection blade (3) that the annular was arranged liftable in fan protective housing (10), lift main shaft (8) are connected with telescopic blade through telescopic connecting rod (7), telescopic blade can be along the axial extension of lift main shaft (8), when wind guiding protection blade (3) are lifted, telescopic blade is located the inboard of wind guiding protection blade (3).

2. The high-voltage iron tower-mounted H-type wind power generator as claimed in claim 1, wherein: the telescopic vane comprises a telescopic basic vane (5) and a telescopic top vane (6), the lifting main shaft (8) comprises a solid shaft at the top and a hollow shaft at the bottom, the solid shaft is slidably and coaxially arranged at the top of the hollow shaft, a push rod motor for controlling the solid shaft to stretch out and draw back is arranged on the hollow shaft, the hollow shaft and the solid shaft are both connected with a telescopic connecting rod (7), the telescopic basic vane (5) and the telescopic top vane (6) are respectively connected through the telescopic connecting rod (7), and the telescopic connecting rod (7) is of a connecting rod structure provided with the push rod motor.

3. A high-voltage iron tower-mounted H-type wind power generator as claimed in claim 2, wherein: the telescopic connecting rod (7) is provided with a fan blade connecting shaft with the connecting end of the telescopic blade, the axial direction of the fan blade connecting shaft is parallel to the axial direction of the telescopic blade, the telescopic blade is fixedly connected to the fan blade connecting shaft, and the telescopic connecting rod (7) is provided with a small rotating motor for controlling the fan blade connecting shaft to rotate.

4. The high-voltage iron tower-mounted H-type wind power generator as claimed in claim 1, wherein: one side of the telescopic blade is a plane, the other side of the telescopic blade is an arc-shaped surface, and the inner sides of the telescopic blades which are equidistantly arranged around the lifting main shaft (8) are both planes or arc-shaped surfaces.

5. The high-voltage iron tower-mounted H-type wind power generator as claimed in claim 1, wherein: the flexible coupling (9) comprises a meshing pipe (24), fixing bolts (23) and damping springs (25), annular protrusions are arranged on the outer side of one end of the meshing pipe (24), openings for installing the fixing bolts (23) are formed in the protruding outer side in the radial direction, saw-tooth-shaped openings are formed in the other end of the meshing pipe (24), the meshing pipe (24) is arranged on an input shaft and a lifting main shaft of the secondary gear accelerator, the open ends of the two meshing pipes (24) are meshed with each other, and the damping springs (25) are arranged between the two meshing pipes (24).

6. The high-voltage iron tower-mounted H-type wind power generator as claimed in claim 5, wherein: the engagement serrations of the open end of the engagement tube (24) are provided with chamfers.

7. The high-voltage iron tower-mounted H-type wind power generator as claimed in claim 1, wherein: the secondary gear accelerator comprises an output shaft (15), a bottom shell (16), a large gear (17), a planetary gear (18), a planet carrier (19), a top shell (20), fixing screws (21) and an input shaft (22), wherein the output shaft (15) is connected with the input shaft of the three-box generator (1), the top shell (16) is a disc with one end open, the top shell (20) is connected to the open end of the bottom shell (16) through the fixing screws (21), the bottom shell (16) is arranged on the fan base (12), two groups of planetary gear sets which are arranged in a transmission mode are arranged in the bottom shell (16), the large gear (17) are arranged in the two groups of planetary gear sets, the large gear (17) is a gear ring which is fixedly arranged, the two groups of planetary gear sets all adopt the planet carrier (19) as a power input end, the sun gear is a power output end, one end of the input shaft (22) is connected with a lifting main shaft (8) in a transmission mode through a flexible coupling (9), and the other end of the input shaft (22) is provided with three output shafts, and the planetary gear (18) are meshed with the sun gear (18) serving as the power output end and the large gear.

8. The high-voltage iron tower-mounted H-type wind power generator as claimed in claim 1, wherein: the top of the fan protection shell (10) is provided with a slotted hole, the bottom in the slotted hole is provided with a push rod motor, the output end of the push rod motor is connected with a lifting platform which is vertically and slidingly arranged in the slotted hole, and the air guide protection blades (3) are vertically and rotationally arranged on the lifting platform through motor driving.

9. The high-voltage iron tower-mounted H-type wind power generator as claimed in claim 8, wherein: the wind-guiding protection blade (3) is a two-stage liftable blade, a push rod motor is arranged in the wind-guiding protection blade (3), and the horizontal section of the wind-guiding protection blade (3) is elliptical.

10. The control method of the high-voltage iron tower-mounted H-type wind driven generator is characterized by comprising the following steps of: step one, judging the wind power according to the real-time power generation condition displayed by a power meter hung on the three-box generator (1) and the recorded power generation fluctuation condition; step two, adjusting the lifting blade according to the result of judging the wind power, and controlling the push rod motor of the telescopic connecting rod (7) to shrink when judging the wind power is large, so as to drive the telescopic connecting rod (7) to shrink and reduce the pitch; when the wind power is smaller, controlling a push rod motor of the telescopic connecting rod (7) to extend to drive the telescopic connecting rod (7) to extend, and increasing the pitch; step three, when judging that the wind power is too large, controlling a push rod motor arranged at the inner bottom of a slotted hole of a fan protection shell (10) to extend out, pushing out a wind guiding protection blade (3) from the fan protection shell (10) to enable a telescopic blade to be positioned at the inner side of the wind guiding protection blade (3), and controlling a motor on a lifting platform to drive the wind guiding protection blade (3) to rotate so as to guide the air inlet and maintain high power generation of the three-box generator (1); step four, when the wind power is too low, controlling the lifting main shaft (8) to extend, and driving the telescopic blades to extend through the telescopic connecting rod (7) so that the telescopic top blades (6) extend out of the telescopic base blades (5); and then controlling the pitch to be increased and adjusting the angle of the telescopic blade so that the plane side of the telescopic blade is opposite to the windward side.