CN114671384A - A wind turbine main shaft overturning device - Google Patents

Abstract

The invention discloses an overturning device for a main shaft of wind power generation, comprising a base and a support frame, wherein the support frame is slidably connected with the base, one side of the support frame is provided with a turning plate, the upper end of the base is provided with a support column, and the turning The disc is hinged with the support column through the rotating shaft. The rotation angle of the overturning disc is 90°. The base is provided with a motor for driving the overturning disc. It can fix the main shaft of wind power and realize the repeated turning of the main shaft. No manual assistance is required during the turning process. The operation is simple and fast, which saves the cumbersome bundling and manual adjustment, saves labor, and makes the turning process safer. At the same time, it can be used as a wind power generator. The spindle storage rack ensures the safety and stability of the spindle during storage.

Description

A wind power main shaft overturning device

technical field

The invention relates to the technical field of the production of main shafts of power generation, in particular to a device for turning over the main shafts of wind power generation.

Background technique

Wind power refers to converting the kinetic energy of wind into electrical energy. Wind energy is a kind of clean and pollution-free renewable energy energy, which converts the kinetic energy of wind into mechanical kinetic energy, and then converts mechanical energy into electrical kinetic energy, which is wind power generation. The principle of wind power generation is to use the wind to drive the blades of the windmill to rotate, and then increase the speed of rotation through the speed increaser to promote the generator to generate electricity.

The wind power main shaft is one of the components of the wind power transmission system. During the production process of the wind power main shaft, the main shaft and different parts need to be changed vertically and horizontally for many times during the assembly process. During the hoisting operation, the main shaft is bound and fixed by the sling and hook to be hoisted and turned over. During the hoisting process, the staff needs to support the main shaft to control the angle, which is not only cumbersome to operate, but also poses a great potential safety hazard.

SUMMARY OF THE INVENTION

The present invention is aimed at the above-mentioned shortcomings of the prior art, and provides a wind power main shaft turning device, which can fix the wind power main shaft and realize the repeated turning of the main shaft without manual assistance during the turning process. The operation is simple and fast, saving energy. The tedious bundling and manual adjustment save labor and make the flipping process safer. At the same time, it can be used as a wind power spindle storage rack to ensure the safety and stability of the spindle during storage.

To achieve the above object, the present invention provides the following technical solutions:

A wind power main shaft overturning device, comprising a base and a support frame, the support frame is slidably connected with the base, one side of the support frame is provided with a turning plate, the upper end of the base is provided with a support column, and the turning plate is connected with the rotating shaft through a rotating shaft. The support column is hinged, the turning angle of the turning plate is 90°, the base is provided with a motor for driving the turning plate, the lower end of the turning plate is provided with a bracket, and one side of the bracket is connected with a bracket for fixing the main shaft.

Preferably, the support frame includes a support seat and a support rod, the upper end of the support seat is provided with a support sleeve, the two ends of the support rod are provided with telescopic rods slidingly matched with the support sleeve, and the space between the support rod and the support seat A hydraulic cylinder is connected, and the upper end of the support rod is a concave arc structure.

Preferably, the upper end of the base is provided with a screw, the two ends of the screw are fixed to the base, the two sides of the support base are provided with sliding sleeves slidingly matched with the screw, and the screw is provided with a positioning nut for fixing the sliding sleeve.

Preferably, the upper end of the support column is provided with a shaft groove, the rotating shaft is connected to the rear side of the turning plate, the two ends of the rotating shaft are matched with the shaft groove, the rotating shaft is sleeved with a driven gear, and the two sides of the driven gear are There is a limit plate, the limit plate is located on the inner side of the support column, the lower ends of the two support columns are connected with a driving shaft, the motor and the driving shaft are meshed by gears, and the two ends of the driving shaft are provided with driving gears, so The driving gear and the driven gear are connected by a chain.

Preferably, a limit groove is provided on the side wall of the shaft groove, and a limit block matched with the limit groove is provided on the rotating shaft.

Preferably, the bottom of the support bucket is of a circular arc structure, the side wall of the support bucket is provided with pressing bolts, and the overturning plate is provided with a positioning mechanism for fixing the main shaft.

Preferably, the positioning mechanism includes a clamping block and a stud, an adjustment hole is provided on the turning plate, the stud is matched with the adjustment hole, a clamping block is provided at one end of the stud, and a clamping nut is sleeved on the stud .

Preferably, the rear end of the turning plate is connected with a reinforcing rod.

Preferably, the bracket includes a top rod, a support rod and a pressing rod, and both ends of the top rod are provided with a clamp rod and a support arm, the clamp rod is clamped on both sides of the bracket, and the top rod and the support arm A reinforcing rod is connected between them, a guide rod is connected to the side wall of the support arm, a sliding hole is vertically arranged on the guide rod, and an adjusting bolt is arranged in the sliding hole, and the two ends of the supporting rod are connected to the The sliding hole is slidably matched, the adjusting bolt is threadedly matched with the support rod, the two ends of the pressing rod are provided with adjusting rods, and the adjusting rod and the support arm are connected by positioning bolts.

Preferably, a limit post and a limit rod are arranged on the base, and the turning plate cooperates with the limit rod when it is in a vertical state, and cooperates with the limit post when the turning plate is in a horizontal state.

Compared with the prior art, the beneficial effects of the present invention are:

1. The present invention can fix the wind power main shaft, realize the repeated inversion of the main shaft, no manual assistance is required in the inversion process, the operation is simple and fast, the cumbersome bundling and manual adjustment are saved, labor is saved, and the inversion process is safer. At the same time, it can be used as a wind power spindle storage rack to ensure the safety and stability of the spindle during storage.

2. The position and height of the support frame of the present invention can be adjusted, and it can support the main shafts of different lengths and diameters; an adjustable positioning mechanism is provided on the turning plate, which can realize the fixing of the shaft discs of different diameters, and the support frame is connected to the shaft. The turning plate realizes the reliability and versatility of fixing the main shaft; the shaft plate and the turning plate are matched in a simple manner, which is easy to disassemble and assemble, and is convenient to use.

3. The brackets provided in the present invention can fix and support the main shaft during the turning process, so as to ensure that the main shaft is stable and non-slip during the turning process and ensure the safety of use.

4. In the present invention, setting a limit disk on the rotating shaft can limit the rotating shaft to prevent the rotating shaft from sliding, and at the same time, the limit disk can protect both sides of the driven gear and prevent the chain from falling off the driven gear; A limit block is set on the upper part, and the limit block cooperates with the limit groove, which can limit the rotation angle of the rotating shaft, prevent the overturning disk from rotating excessively, and ensure the reliability of the rotation angle.

5. The present invention is provided with a limit post and a limit rod, which can limit and support the two states of the overturning plate, so as to ensure the stability of the overturning plate.

Description of drawings

Fig. 1 is three-dimensional structure schematic diagram one of the present invention;

Fig. 2 is the three-dimensional structure schematic diagram two of the present invention;

Fig. 3 is the structural representation when the present invention is used;

Fig. 4 is the structural representation of the base;

5 is a schematic structural diagram of a bracket;

Figure 6 is a left side view of the bracket;

7 is a schematic structural diagram of a support frame;

Fig. 8 is the structure schematic diagram 1 of the turning plate;

Fig. 9 is the structural representation 2 of the flip disk;

FIG. 10 is a schematic structural diagram of the positioning mechanism.

In the figure: 1-base; 101-positioning nut; 102-screw; 103-support column; 104-shaft slot; 105-limiting slot; 106-limiting column; 107-limiting rod; 108-motor; 109- Drive shaft; 110-drive gear; 2-support frame; 201-support base; 202-slide sleeve; 203-support sleeve; 204- telescopic rod; 205-support rod; 206-hydraulic cylinder; 3-bracket; 301- Clamp rod; 302-top rod; 303-support arm; 304-support rod; 305-press rod; 306-adjustment rod; 307-positioning bolt; 308-reinforcing rod; Sliding hole; 4-turning plate; 401-adjusting hole; 402-supporting bucket; 403-pressing bolt; 404-rotating shaft; 405-limiting block; 406-limiting plate; 407-driven gear; 408-reinforcing rod ; 5-chain; 6-spindle; 7-positioning mechanism; 701-clamping block; 702-stud; 703-clamping nut.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in Figure 1-2, a wind power generation main shaft 6 turning device includes a base 1 and a support frame 2. The support frame 2 is slidably connected to the base 1, and the support position of the support frame 2 can be adjusted according to the length of the main shaft 6. The support frame One side of 2 is provided with a turning plate 4, which is used to fix the shaft plate of the main shaft 6. As shown in FIG. 4, the upper end of the base 1 is provided with a supporting column 103, and the turning plate 4 is hinged with the supporting column 103 through the rotating shaft 404, The rotation angle of the turning plate 4 is 90°, the base 1 is provided with a motor 108 for driving the turning plate 4, the lower end of the turning plate 4 is provided with a bracket 402, and one side of the bracket 402 is connected with a bracket 3 for fixing the main shaft 6, During the process of turning the main shaft 6 over, the main shaft 6 can be supported and fixed.

As shown in FIG. 7 , the support frame 2 includes a support base 201 and a support rod 205 . The upper end of the support base 201 is provided with a support sleeve 203 , and two ends of the support rod 205 are provided with telescopic rods 204 slidably matched with the support sleeve 203 . A hydraulic cylinder 206 is connected between the 205 and the support base 201. The upper end of the support rod 205 is a concave arc structure. The hydraulic cylinder 206 can adjust the height of the support rod 205 to support the spindles 6 of different sizes. The upper end of the base 1 is provided with a screw rod 102 , both ends of the screw rod 102 are fixed to the base 1 , the two sides of the support base 201 are provided with sliding sleeves 202 that are slidably matched with the screw rod 102 , and the screw rod 102 is provided with a positioning nut for fixing the sliding sleeve 202 101 , the position of the support frame 2 can be fixed by the positioning nut 101 .

When the diameter of the shaft disc at the end of the main shaft 6 is different, the position and height of the main shaft 6 when it is laid flat will also change accordingly, and the diameter and length of the main shaft 6 of different types are also different, and the position and height of the support frame 2 are adjusted by adjusting the position and height of the main shaft 6 . Different types of spindles 6 can be supported.

The turning plate 4 is driven by the motor 108 to realize the reciprocating turning action. The upper end of the support column 103 is provided with a shaft slot 104, the rotating shaft 404 is connected with the rear side of the turning plate 4, the two ends of the rotating shaft 404 are matched with the shaft groove 104, and the rotating shaft 404 Bearings are arranged between the shaft groove 104 and the shaft groove 104 to reduce resistance. As shown in Figures 8-9, a driven gear 407 is sleeved on the rotating shaft 404, and limit disks 406 are provided on both sides of the driven gear 407. The limit disks 406 are located on the support column. The inner side of 103 can prevent the rotating shaft 404 from sliding. The lower ends of the two support columns 103 are connected with the driving shaft 109. The motor 108 and the driving shaft 109 are meshed with gears. The two ends of the driving shaft 109 are provided with driving gears 110. The chain 5 is connected to the driven gear 407 . Limiting grooves 105 are provided on both side walls of the shaft groove 104 , and a limiting block 405 is provided on the rotating shaft 404 to cooperate with the limiting grooves 105 to limit the rotation angle of the rotating shaft 404 .

In order to ensure the structural stability of the inversion plate 4 and prevent the inversion plate 4 from being deformed, a reinforcement rod 408 is connected to the rear end of the inversion plate 4 to improve the firmness of the inversion plate 4 .

The base 1 is provided with a limit post 106 and a limit rod 107. When the flip plate 4 is in a vertical state, it cooperates with the limit rod 107 to locate the position of the flip disk 4. When the flip disk 4 is in a horizontal state, it cooperates with the limit rod 106. , which can support and limit the bottom of the turntable 4 .

The bracket 402 is a shaft plate used to fix the end of the main shaft 6. The bottom of the bracket 402 is an arc structure, and a pressing bolt 403 is arranged on the side wall of the bracket 402. The shaft plate is stuck in the bracket 402 and is turned over. When the disc 4 rotates, the bucket 402 can exert a turning force on the main shaft 6. The turning disc 4 is provided with a positioning mechanism 7 for fixing the main shaft 6, and two positioning mechanisms 7 are provided. The three-point positioning ensures the reliability of the fixing of the turning plate 4 and the spindle 6-axis plate.

Among them, as shown in FIG. 10 , the positioning mechanism 7 includes a clamping block 701 and a stud 702 , an adjustment hole 401 is provided on the turning plate 4 , the stud 702 is matched with the adjustment hole 401 , and one end of the stud 702 is provided with a clamping block 701 , A clamping nut 703 is sleeved on the stud 702 , the turning plate 4 is located between the clamping block 701 and the clamping nut 703 , and the shaft plate is pressed against one side of the turning plate 4 by the clamping block 701 .

As shown in FIGS. 5-6 , the bracket 3 includes a push rod 302 , a support rod 304 and a pressing rod 305 . Both ends of the push rod 302 are provided with clamp rods 301 and support arms 303 , and the clamp rods 301 are clamped at the bottom of the support bucket 402 . On both sides, a reinforcing rod 308 is connected between the top rod 302 and the support arm 303, and a guide rod 310 is connected to the side wall of the support arm 303. Bolt 309, the two ends of the support rod 304 are slidingly matched with the sliding hole 311, the adjusting bolt 309 is threaded with the support rod 304, and rotating the adjusting bolt 309 can drive the support rod 304 to move up and down, and the two ends of the pressure rod 305 are provided with adjustment rods 306 , the adjusting rod 306 and the support arm 303 are connected by positioning bolts 307 , and the main shaft 6 can be clamped and fixed by the support rod 304 and the pressing rod 305 .

As shown in FIG. 3 , when in use, first, according to the length of the main shaft 6, adjust the distance between the support frame 2 and the turning plate 4, after the adjustment is completed, the position of the support frame 2 is fixed by the positioning nut 101, and the main shaft 6 is driven through the driving Lifted to the turning device, wherein the main shaft 6 is kept horizontal, and the height of the support frame 2 is adjusted so that the support rod 205 supports the bottom of the main shaft 6, the shaft plate of the main shaft 6 is attached to the turning plate 4, and the lower end of the shaft plate is put into the support Inside the bucket 402, turn the pressing bolt 403 to press the axle disc on the turning disc 4, adjust the positioning mechanism 7, so that the clamping block 701 clamps the side wall of the axle disc; then, adjust the support rod 304 to make the support rod 304 Hold the bottom of the main shaft 6, install the pressing rod 305, the pressing rod 305 presses the upper end of the main shaft 6, and the main shaft 6 is clamped and fixed by the pressing rod 305 and the supporting rod 304, and finally, the motor 108 is started, and the motor 108 drives the turning plate 4 rotates, the turning plate 4 changes from vertical to horizontal to realize the turning of the main shaft 6, and the motor 108 rotates in the reverse direction, which drives the turning plate 4 to change from horizontal to vertical, and realizes the reverse turning of the main shaft 6.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention. Thus, provided that these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims (10)

1. The utility model provides a wind power generation main shaft turning device, includes base and support frame, its characterized in that: the support frame is connected with the base in a sliding mode, a turning plate is arranged on one side of the support frame, a support column is arranged at the upper end of the base, the turning plate is hinged to the support column through a rotating shaft, the rotating angle of the turning plate is 90 degrees, a motor for driving the turning plate to turn is arranged on the base, a supporting bucket is arranged at the lower end of the turning plate, and a bracket for fixing a main shaft is connected to one side of the supporting bucket.

2. The wind power generation main shaft overturning device of claim 1, wherein: the support frame includes supporting seat and bracing piece, the upper end of supporting seat is equipped with supports the cover, the both ends of bracing piece be equipped with support cover sliding fit's telescopic link, be connected with the pneumatic cylinder between bracing piece and the supporting seat, the upper end of bracing piece is indent arc structure.

3. A wind power spindle tipper according to claim 2, wherein: the upper end of base is equipped with the screw rod, the both ends of screw rod are fixed with the base, the both sides of supporting seat be equipped with screw rod sliding fit's sliding sleeve, be equipped with the set nut of fixed sliding sleeve on the screw rod.

4. The wind power generation main shaft overturning device of claim 1, wherein: the upper end of support column is equipped with the shaft groove, the pivot is connected with the rear side of carousel that turns over, and the both ends and the shaft groove cooperation of pivot have driven gear in the pivot, driven gear's both sides are equipped with spacing dish, spacing dish is located the inboard of support column, and the lower extreme of two support columns is connected with the driving shaft, pass through gear engagement between motor and the driving shaft, the both ends of driving shaft are equipped with the driving gear, be connected through the chain between driving gear and the driven gear.

5. The wind power generation main shaft overturning device according to claim 4, wherein: the side wall of the shaft groove is provided with a limiting groove, and the rotating shaft is provided with a limiting block matched with the limiting groove.

6. The wind power generation main shaft overturning device according to claim 1, wherein: the bottom of the supporting bucket is of an arc structure, the side wall of the supporting bucket is provided with a pressing bolt, and the turning disc is provided with a positioning mechanism for fixing the main shaft.

7. The wind power generation main shaft overturning device according to claim 6, wherein: the positioning mechanism comprises a clamping block and a stud, an adjusting hole is formed in the turnover disc, the stud is matched with the adjusting hole, the clamping block is arranged at one end of the stud, and a clamping nut is sleeved on the stud.

8. The wind power generation main shaft overturning device of claim 1, wherein: the rear end of the turnover disc is connected with a reinforcing rod.

9. The wind power generation main shaft overturning device of claim 1, wherein: the bracket comprises an ejector rod, a support rod and a pressure rod, wherein the two ends of the ejector rod are provided with a clamping rod and a support arm, the clamping rod is clamped on the two sides of the support bucket, a reinforcing rod is connected between the ejector rod and the support arm, the side wall of the support arm is connected with a guide rod, a sliding hole is vertically arranged on the guide rod, an adjusting bolt is arranged in the sliding hole, the two ends of the support rod are in sliding fit with the sliding hole, the adjusting bolt is in threaded fit with the support rod, the two ends of the pressure rod are provided with adjusting rods, and the adjusting rods are connected with the support arm through positioning bolts.

10. The wind power generation main shaft overturning device according to claim 1, wherein: the base is provided with a limiting column and a limiting rod, the turnover disc is matched with the limiting rod in a vertical state, and the turnover disc is matched with the limiting column in a horizontal state.

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