Blade tip fixing structure for wind power blade transportation

Abstract

The utility model discloses a blade tip fixing structure for wind power blade transportation, and particularly relates to the technical field of offshore wind power, the blade tip fixing structure comprises a connecting seat, the top of the connecting seat is provided with a fixing assembly, the fixing assembly comprises an adjusting box, and the left side and the right side of the interior of the adjusting box are jointly and rotationally connected with a bidirectional threaded rod; the left side and the right side of the outer side of the two-way threaded rod are in threaded connection with a pair of adjusting blocks in mirror symmetry. The first motor is started through an external power source, the output end of the first motor drives the two-way threaded rod to rotate so as to drive the two adjusting blocks and the corresponding bearing blocks to move face to face or back to back until the distance between the two bearing blocks is appropriate, and then the blade tips of the wind power blades are inserted between the bearing blocks and the binding belts in a penetrating mode. And then a second motor is started through an external power source, the output end of the second motor drives the winding roller to rotate, and therefore the binding belt is driven to be tightened, the binding belt is tightly attached to the surface of the blade tip of the wind power blade, and the effect of fixing the blade tip of the wind power blade is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to offshore wind power technical field, concretely is a kind of blade tip fixing structure of wind power blade transportation. BACKGROUND

[0002] With the growth of global demand for renewable energy, wind power, as an important part of clean energy, has developed rapidly. Especially in the field of offshore wind power, large-scale wind turbine generators are increasingly widely used. Wind power blades are the core components of wind turbine generators that convert natural wind energy into mechanical energy, and their design and technical level directly affect the performance and efficiency of the entire wind power system.

[0003] Wind power blades usually have large size and weight, and the blade tip part is particularly fragile and prone to damage. During offshore transportation, due to wave fluctuations, wind changes, and other unpredictable marine environmental factors, unfixed blades, especially the blade tip part, may sway or even fall off, which not only may cause damage to the blades themselves, but also may endanger the safety of the transport ship and increase additional repair costs and time delays.

[0004] Existing wind power blade fixing methods mainly rely on traditional binding or supporting methods, but these methods are insufficient in dealing with complex and variable offshore environments and cannot completely guarantee the stability and safety of blades during transportation. SUMMARY

[0005] The utility model aims at providing a kind of blade tip fixing structure of wind power blade transportation, reach the fixed effect at the blade tip of wind power blade.

[0006] The utility model can achieve the purpose by the following technical solutions:

[0007] A kind of blade tip fixing structure of wind power blade transportation, including connecting seat, the top of the connecting seat is provided with fixed component, the fixed component includes adjusting box, the inside left and right sides of the adjusting box are rotationally connected with bidirectional screw rod, the left side of the adjusting box is fixedly installed with first motor, and the output end of first motor is drivingly connected with bidirectional screw rod;

[0008] The left and right sides of the bidirectional screw rod are screw-connected with a pair of mirror-symmetrical adjusting blocks, and the top of the adjusting block is fixedly connected with a bearing block;

[0009] The top of the two bearing blocks is provided with a rollable restraint belt.

[0010] As a further scheme of the utility model: the top surface of the bearing block is designed in an arc shape conforming to the blade tip of wind power blade, and the top of the bearing block is fixedly connected with a contact air bag.

[0011] As a further scheme of the utility model: the top of bearing block at left side is equipped with winding groove, the inside of winding groove is rotatably connected with winding roller at front and back sides, the outside of winding roller is fixedly connected with left end of restraint band, and part of restraint band is wound on the surface of winding roller; the front surface of adjusting box is fixedly installed with second motor, and the output end of second motor is fixedly connected with winding roller.

[0012] As a further scheme of the utility model: the top of bearing block at left side is equipped with winding groove, the inside of winding groove is rotatably connected with winding roller at front and back sides, the outside of winding roller is fixedly connected with left end of restraint band, and part of restraint band is wound on the surface of winding roller; the front surface of adjusting box is fixedly installed with second motor, and the output end of second motor is fixedly connected with winding roller.

[0013] As a further scheme of the utility model: the inside top of positioning groove is rotatably connected with a pair of left and right distributed first guide rollers, and the inside of two first guide rollers is contacted with restraint band; the inside top of winding groove is rotatably connected with a pair of left and right arranged second guide rollers, and the inside surface of two second guide rollers is contacted with the surface of restraint band.

[0014] As a further scheme of the utility model: the left and right sides of connecting seat are fixedly connected with fixed plate respectively, and the fixed plate is provided with bolt; the top of connecting seat is provided with damping mechanism, the damping mechanism comprises connecting block fixedly connected on the top of connecting seat, the top of connecting block is slidably connected with buffer frame, and the top of buffer frame is fixedly connected with adjusting box.

[0015] As a further scheme of the utility model: the damping mechanism further comprises a pair of connecting frames fixedly connected on the left and right sides of buffer frame respectively, the inside of connecting frame is hinged with connecting rod through hinge piece, the outside end of connecting rod is hinged with fixed frame through hinge piece, the bottom of fixed frame is fixedly connected with moving block, the bottom of moving block is slidably connected with guide rail, the bottom of guide rail is fixedly connected with connecting seat, the outside of moving block is fixedly connected with buffer spring, and the other side of buffer spring is fixedly connected with connecting seat.

[0016] Compared with the prior art, the utility model has the advantages of:

[0017] 1, the utility model starts first motor through external power supply, and the output end of first motor drives the rotation of two -way screw rod, thereby drives two adjusting blocks and corresponding bearing block move towards or away from each other, until the interval between two bearing blocks is appropriate, then the tip of wind power blade is inserted between bearing block and restraint band, and then the second motor is started through external power supply, the output end of second motor drives the rotation of winding roller, thereby drives the restraint band to be tight, makes the restraint band closely adhere to the surface of the tip of wind power blade, thereby reaches the fixed effect of the tip of wind power blade.

[0018] 2. When the transport ship shakes or sways, it causes the blade tip to undulate and vibrate. When the shock absorption mechanism moves the buffer frame downward at the blade tip, the buffer frame slides along the surface of the connecting frame to guide it. It also distributes the buffering force evenly to the moving block through the connecting rod, causing the moving block to slide along the guide rail surface and compressing the buffer spring. The elastic force of the deformed buffer spring buffers the downward pressure. Similarly, when the buffer frame moves upward, it causes the moving block to move inward through the connecting rod, causing the buffer spring to stretch and deform to absorb part of the impact pressure, reducing the amplitude of the blade tip's up and down undulation, thereby achieving the effect of shock absorption at the blade tip during wind turbine blade transportation. Attached Figure Description

[0019] Figure 1 A schematic diagram of the overall structure of a blade tip fixing structure for wind turbine blade transportation;

[0020] Figure 2 This is a schematic diagram of a fixing component in a blade tip fixing structure for transporting wind turbine blades;

[0021] Figure 3 This is a schematic diagram of the fixing component in a blade tip fixing structure for wind turbine blade transportation from another perspective.

[0022] Figure 4 This is a schematic diagram of the overall structure of a blade tip fixing structure for wind turbine blade transportation from another perspective.

[0023] In the diagram: 10. Connecting seat; 11. Fixing plate; 12. Bolt; 20. Shock absorption mechanism; 201. Connecting block; 202. Buffer frame; 203. Connecting frame; 204. Connecting rod; 205. Fixing frame; 206. Moving block; 207. Guide rail; 208. Buffer spring; 30. Fixing assembly; 301. Adjusting box; 302. First motor; 303. Bidirectional threaded rod; 304. Adjusting block; 305. Bearing block; 306. Contact airbag; 307. Restraint strap; 308. Positioning groove; 309. Fixing rod; 310. First guide roller; 311. Second guide roller; 312. Rewinding groove; 313. Rewinding roller; 314. Second motor. Detailed Implementation

[0024] like Figure 1 As shown, a blade tip fixing structure for transporting wind turbine blades includes a connecting seat 10, with fixing plates 11 fixedly connected to the left and right sides of the connecting seat 10, and bolts 12 provided on the fixing plates 11; a shock-absorbing mechanism 20 is provided on the top of the connecting seat 10, the shock-absorbing mechanism 20 includes a connecting block 201 fixedly connected to the top of the connecting seat 10, a buffer frame 202 slidably connected to the top of the connecting block 201, and a fixing component 30 provided on the top of the buffer frame 202.

[0025] refer to Figure 2、 3 The fixing assembly 30 comprises an adjusting box 301 fixedly connected to the top of the buffer frame 202, both sides of the inside of the adjusting box 301 are jointly rotatably connected with a bidirectional threaded rod 303, the outside of both sides of the bidirectional threaded rod 303 is threadedly connected with a pair of mirror-symmetrical adjusting blocks 304, the top of the adjusting block 304 is fixedly connected with a bearing block 305, and the top of the two bearing blocks 305 is provided with a rollable binding belt 307; the left side of the adjusting box 301 is fixedly installed with a first motor 302, and the output end of the first motor 302 is fixedly connected with the bidirectional threaded rod 303.

[0026] Preferably, the top surface of the bearing block 305 is arc-shaped and designed to be consistent with the tip of the wind power blade, and the top of the bearing block 305 is fixedly connected with a contact air bag 306; in use, the contact air bag 306 directly contacts the tip of the wind power blade, preventing the tip of the wind power blade from being abraded during transportation.

[0027] Specifically, the top of the right bearing block 305 is provided with a positioning groove 308, the inside of the positioning groove 308 is fixedly connected with a fixing rod 309, and the fixing rod 309 is fixedly connected with the right end of the binding belt 307; the top of the left bearing block 305 is provided with a winding groove 312, both sides of the inside of the winding groove 312 are jointly rotatably connected with a winding roller 313, the outside of the winding roller 313 is fixedly connected with the left end of the binding belt 307, and part of the binding belt 307 is wound on the surface of the winding roller 313; the front left side of the front of the adjusting box 301 is fixedly installed with a second motor 314, and the output end of the second motor 314 is fixedly connected with the winding roller 313.

[0028] Preferably, the inside of the top of the positioning groove 308 is rotatably connected with a pair of left and right distributed first guide rollers 310, and the inside of the two first guide rollers 310 contacts the binding belt 307; the inside of the top of the winding groove 312 is rotatably connected with a pair of left and right arranged second guide rollers 311, and the inside surface of the two second guide rollers 311 contacts the surface of the binding belt 307. Thus, the effect of guiding the winding and unwinding of the binding belt 307 is achieved.

[0029] In use, first, the seat 10 is installed in a suitable position of the transport device through the bolt 12, then the distance between the two bearing blocks 305 is adjusted according to the width of the tip of the wind turbine blade, the first motor 302 is started through the external power supply, the output end of the first motor 302 drives the bidirectional threaded rod 303 to rotate, thereby driving the two adjusting blocks 304 and the corresponding bearing blocks 305 to move towards or away from each other, until the distance between the two bearing blocks 305 is appropriate, then the tip of the wind turbine blade is inserted between the bearing blocks 305 and the restraint belts 307, and then the second motor 314 is started through the external power supply, the output end of the second motor 314 drives the winding roller 313 to rotate, thereby tightening the restraint belts 307, so that the restraint belts 307 tightly adhere to the surface of the tip of the wind turbine blade, thereby achieving the fixing effect of the tip of the wind turbine blade, and the part in direct contact with the tip of the wind turbine blade is a flexible part, thereby preventing the tip of the wind turbine blade from being scratched.

[0030] Reference Figure 1 、 4 The damping mechanism 20 further comprises a pair of connecting frames 203 fixedly connected to the left and right sides of the buffer frame 202 respectively, the inside of the connecting frame 203 is hinged with a connecting rod 204 through a hinge, the outside end of the connecting rod 204 is hinged with a fixed frame 205 through a hinge, the bottom of the fixed frame 205 is fixedly connected with a moving block 206, the bottom of the moving block 206 is slidingly connected with a guide rail 207, the bottom of the guide rail 207 is fixedly connected with the connecting seat 10, the outside of the moving block 206 is fixedly connected with a buffer spring 208, the other side of the buffer spring 208 is fixedly connected with the connecting seat 10.

[0031] When the transport ship shakes or swings, it will drive the tip to fluctuate and vibrate, and when the damping mechanism 20 drives the buffer frame 202 to move downward at the tip, the buffer frame 202 will slide along the surface of the connecting frame 203 to play a guiding effect, and evenly transmit the buffer force to the moving block 206 through the connecting rod 204, drive the moving block 206 to slide along the surface of the guide rail 207, and drive the buffer spring 208 to compress, the elastic force of the deformed buffer spring 208 buffers the downward pressure, and similarly, when the buffer frame 202 moves upward, it will drive the moving block 206 to move inward through the connecting rod 204, so that the buffer spring 208 is stretched and deformed to absorb part of the impact pressure, reducing the fluctuation amplitude of the tip, thereby achieving the effect of damping the tip of the wind turbine blade during transportation, preventing the tip of the wind turbine blade from being damaged due to bumping during transportation.

[0032] The utility model discloses a working principle is: first connecting seat 10 is installed in the suitable position of conveyer through bolt 12, then according to the width of wind power blade tip to adjust the interval of two bearing blocks 305, start first motor 302 through external power supply, and the output of first motor 302 drives the rotation of two -way threaded rod 303, to drive two adjusting blocks 304 and corresponding bearing block 305 move towards or opposite, until the interval between two bearing blocks 305 is appropriate, then the wind power blade tip is inserted between bearing block 305 and restraint band 307, again start second motor 314 through external power supply, and the output of second motor 314 drives the rotation of winding roller 313, to drive restraint band 307 and make restraint band 307 close in the surface at wind power blade tip, to reach the fixed effect of wind power blade tip, and the direct contact component with wind power blade tip is flexible component, can prevent wind power blade tip being scratched.

Claims

1. A tip fixing structure for wind turbine blade transportation, comprising a connection seat (10), characterized in that, The top of the connecting seat (10) is provided with a fixing assembly (30), the fixing assembly (30) comprises an adjusting box (301), the left and right sides of the inside of the adjusting box (301) are commonly connected with a two-way threaded rod (303), the left side of the adjusting box (301) is fixedly installed with a first motor (302), and the output end of the first motor (302) is in transmission connection with the two-way threaded rod (303); The left and right sides of the two-way threaded rod (303) are threadedly connected with a pair of mirror-symmetrical adjusting blocks (304), and the top of the adjusting block (304) is fixedly connected with a bearing block (305); The top of the two bearing blocks (305) is provided with a rollable binding belt (307).

2. A tip fixing structure for wind turbine blade transportation according to claim 1, characterized in that, The top surface of the bearing block (305) is arc-shaped and designed to conform to the tip of a wind power blade, and the top of the bearing block (305) is fixedly connected with a contact air bag (306).

3. A tip fixing structure for wind turbine blade transportation according to claim 2, characterized in that, The top of the bearing block (305) on the right side is provided with a positioning groove (308), the inner side of the positioning groove (308) is fixedly connected with a fixing rod (309), and the fixing rod (309) is fixedly connected with the right end of the binding belt (307); The top of the bearing block (305) on the left side is provided with a winding groove (312), the inside of the winding groove (312) is commonly rotatably connected with winding rollers (313) on the front and back sides, the outer side of the winding roller (313) is fixedly connected with the left end of the binding belt (307), and part of the binding belt (307) is wound on the surface of the winding roller (313); the front surface of the adjusting box (301) is fixedly installed with a second motor (314), and the output end of the second motor (314) is fixedly connected with the winding roller (313).

4. A tip fixing structure for wind blade transportation according to claim 3, characterized in that, The inner side of the top end of the positioning groove (308) is rotatably connected with a pair of left and right distributed first guide rollers (310), and the inner sides of the two first guide rollers (310) are in contact with the binding belt (307); the inner side of the top end of the winding groove (312) is rotatably connected with a pair of left and right arranged second guide rollers (311), and the inner surfaces of the two second guide rollers (311) are in contact with the surface of the binding belt (307).

5. The tip fixing structure for wind blade transportation according to claim 1, characterized in that, The left and right sides of the connecting seat (10) are respectively fixedly connected with fixed plates (11), and the fixed plates (11) are provided with bolts (12); the top of the connecting seat (10) is provided with a damping mechanism (20), the damping mechanism (20) comprises a connecting block (201) fixedly connected to the top of the connecting seat (10), the top of the connecting block (201) is slidably connected with a buffer frame (202), and the top of the buffer frame (202) is fixedly connected with the adjusting box (301).

6. A tip fixing structure for wind blade transportation according to claim 5, characterized in that, The damping mechanism (20) further comprises a pair of connecting frames (203) fixedly connected on the left and right sides of the buffer frame (202) respectively, the inside of the connecting frame (203) is hinged with a connecting rod (204) through a hinge, the outside end of the connecting rod (204) is hinged with a fixed frame (205) through a hinge, the bottom of the fixed frame (205) is fixedly connected with a moving block (206), the bottom of the moving block (206) is slidingly connected with a guide rail (207), the bottom of the guide rail (207) is fixedly connected with the connecting seat (10), the outside of the moving block (206) is fixedly connected with a buffer spring (208), the other side of the buffer spring (208) is fixedly connected with the connecting seat (10).

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