Wind power blade hoisting tool and using method thereof

Abstract

The invention relates to the technical field of blade hoisting equipment, in particular to a wind power blade hoisting tool and a using method thereof.The wind power blade hoisting tool comprises a tool body, and a hoisting assembly used for hoisting is arranged above the tool body; the fixing assembly comprises a clamping block, a driving mechanism, an attaching mechanism and a locking mechanism; the stabilizing assembly comprises an adsorption mechanism and an energy storage mechanism; according to the wind power blade hoisting tool, the adsorption force of the adsorption mechanism is enhanced through energy generated by shaking when the wind power blade and the tool main body shake relatively in the hoisting process through the energy absorption mechanism, and the relative shaking generated between the blade and the tool main body is associated with the adsorption mechanism through the energy absorption mechanism; the response speed of the adsorption mechanism is greatly increased when shaking occurs, and the adsorption mechanism can rapidly adjust the adsorption force.

Description

Technical Field

[0001] The present invention relates to the technical field of blade hoisting equipment, and in particular to a wind turbine blade hoisting tool and a use method thereof. Background Art

[0002] Wind turbine blades are key components of wind turbines. They are usually made of composite materials and have the characteristics of light weight, high strength and aerodynamic optimization. They can capture and convert wind energy into mechanical energy to drive the generator to generate electricity. Therefore, the installation of wind turbine blades is a key step in the installation of wind turbines.

[0003] Nowadays, in order to maintain a stable clamping of the wind turbine blades during the hoisting process, two hoisting tools are respectively provided on both sides to fix the wind turbine blades by clamping. However, the existing hoisting tools still have the following obvious defects when in use: the existing hoisting tools have poor adaptability and are very likely to damage the wind turbine blades when clamping them. In addition, due to the influence of factors such as wind force during the hoisting process, relative shaking between the wind turbine blades and the hoisting tools is inevitable, and the shaking of the blades may affect the quality and stability of the clamping. Unstable clamping may cause displacement or damage of the blades during transportation or installation. Summary of the invention

[0004] The object of the present invention is to provide a wind turbine blade hoisting tool and a method of using the same to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] On the one hand, a wind turbine blade hoisting tool is provided, comprising:

[0007] A tool body, wherein a hoisting assembly for hoisting is arranged above the tool body;

[0008] A fixing assembly, the fixing assembly comprising a clamping block, a driving mechanism, a fitting mechanism and a locking mechanism, the driving mechanism being arranged on the tooling body and used to drive the clamping block to clamp the wind turbine blade, the fitting mechanism being used to fit and fix the wind turbine blade during clamping, and the locking mechanism being used to lock the position of the clamping block after clamping is completed; and

[0009] The stabilizing component includes an adsorption mechanism and an energy absorption mechanism. The adsorption mechanism is used to adsorb and fix the wind turbine blades. The energy absorption mechanism is arranged on the clamping block and is used to enhance the adsorption force of the adsorption mechanism by utilizing the energy generated by the shaking when the tooling body shakes relatively.

[0010] Preferably, the lifting assembly includes a lifting ring, and the lifting ring is symmetrically arranged on the tooling body.

[0011] Preferably, two clamping blocks are provided, and the two clamping blocks are respectively arranged on both sides of the tooling body.

[0012] Preferably, the driving mechanism includes a hydraulic cylinder and symmetrically arranged hydraulic push rods, the symmetrically arranged hydraulic push rods are respectively connected to different clamping blocks, and the hydraulic cylinder is arranged on the tooling body and is used to drive the hydraulic push rods to drive the clamping blocks to move.

[0013] Preferably, the clamping block is provided with an installation groove, and the bonding mechanism includes bonding block one, bonding block two and bonding block three, the bonding block one is rotatably connected to the installation groove, the bonding block one is provided with a plurality of rotating grooves one, the bonding block two is arranged in the rotating groove one, the bonding block two is provided with a plurality of rotating grooves two, and the bonding block three is arranged in the rotating groove two.

[0014] Preferably, the clamping block is provided with a locking hole, and the locking mechanism includes a locking bolt and a locking nut, and the relative position of the clamping block is locked by sequentially passing the locking bolt through the locking holes provided in different clamping blocks and tightening it through the locking nut.

[0015] Preferably, the adsorption mechanism comprises an adsorption push rod, a suction cup and an exhaust valve, the adsorption push rod is arranged on the clamping block and is used to drive the suction cup to fit the wind turbine blade, and the exhaust valve is arranged on the suction cup.

[0016] Preferably, the energy absorption mechanism includes a connecting rope, a piston, a cylinder, a return spring, a connecting pipe, a connecting valve and a one-way valve, the two ends of the connecting rope are respectively connected to the bonding block and the piston, the piston is arranged on the cylinder, the cylinder is arranged on the clamping block, the one-way valve is arranged on the cylinder, the two ends of the return spring are respectively connected to the piston and the inner wall of the cylinder, the two ends of the connecting pipe are respectively connected to the cylinder and the connecting valve, and the connecting valve is arranged at the connecting end of the adsorption push rod and the suction cup.

[0017] On the other hand, a method of use is provided, for using the above-mentioned wind turbine blade hoisting tool, comprising the following steps:

[0018] A, connect the tooling body to the crane's hanger through the lifting ring;

[0019] B. Control the hydraulic push rod to clamp the wind turbine blade. During the clamping process, the bonding blocks 1, 2 and 3 are all rotated to adhere to the surface of the wind turbine blade, and the suction cup is adsorbed to the surface of the wind turbine blade by controlling the adsorption push rod;

[0020] C. After clamping is completed, the relative position of the clamping block is locked by a locking mechanism;

[0021] D. During the hoisting process, when the wind turbine blade shakes due to external factors such as wind, the positions of bonding blocks 1, 2 and 3 will be adjusted accordingly. When bonding block 1 is adjusted, it will drive the connecting rope to move, thereby driving the piston to move along the cylinder and then expel the air in the suction cup to strengthen the suction cup's adsorption of the wind turbine blade.

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows: the design of the fitting mechanism makes the present invention applicable to wind turbine blades of different specifications, and the application range is wide; the fitting mechanism is arranged to fit the wind turbine blade when the clamping block clamps the wind turbine blade, thereby improving the stability of the clamping; after the clamping is completed, the wind turbine blade is further fixed by the adsorption mechanism, and when relative shaking occurs between the wind turbine blade and the tooling body during the lifting process, the energy generated by the shaking is used to enhance the adsorption force of the adsorption mechanism by the energy absorption mechanism; the relative shaking between the blade and the tooling body and the adsorption mechanism are interconnected by the energy absorption mechanism, which greatly improves the response speed of the adsorption mechanism when shaking occurs and enables the adsorption mechanism to quickly adjust the adsorption force, and the practicality is very strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is an isometric structural schematic diagram of the present invention;

[0024] Figure 2 This is a front view of the structure of the present invention (partial cross-section of the interior of the tooling body);

[0025] Figure 3 It is a schematic diagram of the connection structure of the clamping block and the laminating block of the present invention;

[0026] Figure 4 It is a schematic diagram of the cross-sectional structure of the clamping block of the present invention viewed from above;

[0027] Figure 5 It is a schematic diagram of the side cross-sectional structure of the clamping block of the present invention;

[0028] Figure 6 It is a schematic diagram of the connection structure of bonding block 1 and bonding block 2 of the present invention.

[0029] In the figure: 1 tooling body, 2 clamping block, 3 lifting ring, 4 hydraulic cylinder, 5 hydraulic push rod, 6 fitting block 1, 7 fitting block 2, 8 fitting block 3, 9 clamping block, 10 locking bolt, 11 locking nut, 12 adsorption push rod, 13 suction cup, 14 exhaust valve, 15 connecting rope, 16 piston, 17 cylinder, 18 return spring, 19 connecting pipe, 20 connecting valve, 21 one-way valve, 201 installation groove, 202 lock hole, 1501 fixed pulley. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] See also Figure 1-6 , the present invention provides a technical solution:

[0032] A wind turbine blade lifting tool, as shown in the attached manual Figure 1 As shown, including:

[0033] The tool body 1 is used to install other parts of the wind turbine blade lifting tool;

[0034] A hoisting assembly is arranged above the tooling body 1 and is used to provide a safe and reliable connection point for the hoisting of the tooling body 1 to ensure the stable suspension of the load during the hoisting process;

[0035] A fixing assembly, the fixing assembly includes a clamping block 2, a driving mechanism, a fitting mechanism and a locking mechanism. The clamping block 2 is used to clamp the wind turbine blade. The driving mechanism is arranged inside the tooling body 1 and is used to drive the clamping block 2 to clamp the wind turbine blade. The fitting mechanism is used to fit and fix the wind turbine blade during clamping. The locking mechanism is used to lock the position of the clamping block 2 after clamping is completed; and

[0036] The stabilizing component includes an adsorption mechanism and an energy absorbing mechanism. The adsorption mechanism is used to adsorb and fix the wind turbine blades. The energy absorbing mechanism is arranged on the clamping block 2 and is used to enhance the adsorption force of the adsorption mechanism by utilizing the energy generated by the shaking when the tooling body 1 shakes relatively.

[0037] The lifting assembly includes a lifting ring 3, which is symmetrically arranged on the tool body 1. The lifting ring 3 is used to provide a safe and reliable connection point for the lifting of the tool body 1 to ensure the stable suspension of the load during the lifting process.

[0038] There are two clamping blocks 2, which are respectively arranged on both sides of the tooling body 1. The two clamping blocks 2 are arranged asymmetrically. When in use, the hydraulic push rod 5 corresponding to the clamping block 2 is controlled to adaptively adjust the position of the clamping block 2 according to the shape of the wind turbine blade.

[0039] The driving mechanism includes a hydraulic cylinder 4 and a symmetrically arranged hydraulic push rod 5. The symmetrically arranged hydraulic push rods 5 are respectively connected to different clamping blocks 2. The hydraulic cylinder 4 is arranged inside the tooling body 1 and is used to drive the hydraulic push rod 5 to drive the clamping block 2 to move. The hydraulic cylinder 4 stores hydraulic oil for driving the hydraulic push rod 5 to move. The moving end of the hydraulic push rod 5 is fixedly connected to the clamping block 2. Therefore, when the hydraulic push rod 5 moves, it will drive the clamping block 2 to move.

[0040] The clamping block 2 is provided with an installation groove 201, and the installation groove 201 is used to install the bonding block 1 6. The bonding mechanism includes bonding block 1 6, bonding block 2 7 and bonding block 3 8. The contact ends of bonding block 1 6, bonding block 2 7 and bonding block 3 8 with the wind turbine blades are all provided with rubber blocks, and the rubber blocks are used to protect the wind turbine blades during the lifting process. Bonding block 1 6, bonding block 2 7 and bonding block 3 8 are all provided with snap-in blocks 9. The snap-in blocks 9 of bonding block 1 6 are slidably connected to the installation groove 201. Bonding block 1 6 is provided with a plurality of rotating grooves 1, the snap-in blocks 9 of bonding block 2 7 are slidably connected to the rotating groove 1, bonding block 2 7 is provided with a plurality of rotating grooves 2, and the snap-in blocks 9 of bonding block 3 8 are slidably connected to the rotating groove 2. The structures of rotating groove 1, rotating groove 2 and the installation groove 201 are the same, and only the sizes differ.

[0041] The clamping block 2 is provided with a locking hole 202, which is a threaded hole. Therefore, after the locking bolt 10 is screwed into the locking hole 202 and locked by the locking nut 11, the wind turbine blade can be effectively clamped without shaking. The locking mechanism includes a locking bolt 10 and a locking nut 11. The locking bolt 10 is passed through the locking holes 202 set in different clamping blocks 2 in turn and is locked by the locking nut 11 to lock the relative position of the clamping block 2.

[0042] The adsorption mechanism includes an adsorption push rod 12, a suction cup 13 and an exhaust valve 14. The adsorption push rod 12 is also a hydraulic push rod. The adsorption push rod 12 is arranged on the clamping block 2 and is used to drive the suction cup 13 to fit the wind turbine blade. The exhaust valve 14 is arranged on the suction cup 13. The exhaust valve 14 is an electromagnetic valve that controls the opening of the exhaust valve 14 to exhaust the suction cup 13 during adsorption and balance the internal and external air pressure of the suction cup 13 when the adsorption is released. In this embodiment, the adsorption mechanism and the fitting block 6 on one side are arranged corresponding to each other.

[0043] The energy absorption mechanism includes a connecting rope 15, a piston 16, a cylinder 17, a return spring 18, a connecting pipe 19, a connecting valve 20 and a one-way valve 21. The connecting rope 15 is a steel wire rope, which can maintain good stability after long-term use. A plurality of fixed pulleys 1501 for assisting the connecting rope 15 in steering are arranged inside the clamping block 2. The two ends of the connecting rope 15 are respectively fixedly connected to the fitting block 16 and the piston 16. The piston 16 is slidably connected to the cylinder 17. The piston 16 and the cylinder 17 are interference fit, so when in use, the piston 16 and the cylinder 17 can be dynamically sealed, the cylinder 17 is fixedly connected to the clamping block 2, and a one-way valve 21 is provided at the exhaust end of the cylinder 17. The one-way valve 21 is used to discharge the gas inside the cylinder 17 in one direction when the reset spring 18 drives the piston 16 to reset. The two ends of the reset spring 18 are respectively connected to the piston 16 and the inner wall of the cylinder 17, and the two ends of the connecting pipe 19 are respectively connected to the cylinder 17 and the connecting valve 20. The connecting valve 20 is provided at the connecting end of the adsorption push rod 12 and the suction cup 13. The connecting valve 20 is a one-way gas valve, and the connecting valve 20 is used to allow the airflow to flow into the cylinder 17 only in one direction.

[0044] Working principle: the tool body 1 is connected to the hanger of the crane through the lifting ring 3; the hydraulic push rod 5 is controlled to clamp the wind turbine blade. When clamping, the bonding block 1 6, the bonding block 2 7 and the bonding block 3 8 will all be bonded to the surface of the wind turbine blade by rotation, and the suction cup 13 will be adsorbed to the surface of the wind turbine blade by controlling the adsorption push rod 12; after the clamping is completed, the relative position of the clamping block 2 is locked by the locking mechanism; during the lifting process, when the wind turbine blade shakes due to external factors such as wind force, the positions of the bonding block 1 6, the bonding block 2 7 and the bonding block 3 8 will be adjusted accordingly. When the bonding block 1 6 is adjusted, it will drive the connecting rope 15 to move, thereby driving the piston 16 to move along the cylinder 17 and then expelling the air in the suction cup 13 to strengthen the adsorption of the suction cup 13 on the wind turbine blade.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wind turbine blade hoisting tool, characterized in that: include: A tool body, wherein a hoisting assembly for hoisting is arranged above the tool body; A fixing assembly, the fixing assembly comprising a clamping block, a driving mechanism, a fitting mechanism and a locking mechanism, the driving mechanism being arranged on the tooling body and used to drive the clamping block to clamp the wind turbine blade, the fitting mechanism being used to fit and fix the wind turbine blade during clamping, and the locking mechanism being used to lock the position of the clamping block after clamping is completed; as well as The stabilizing component includes an adsorption mechanism and an energy absorption mechanism. The adsorption mechanism is used to adsorb and fix the wind turbine blades. The energy absorption mechanism is arranged on the clamping block and is used to enhance the adsorption force of the adsorption mechanism by utilizing the energy generated by the shaking when the tooling body shakes relatively.

2. The wind turbine blade hoisting tool according to claim 1, characterized in that: The lifting assembly comprises a lifting ring, and the lifting ring is symmetrically arranged on the tooling body.

3. The wind turbine blade hoisting tool according to claim 2, characterized in that: The clamping blocks are provided with two, and the two clamping blocks are respectively arranged on both sides of the tooling body.

4. The wind turbine blade hoisting tool according to claim 3, characterized in that: The driving mechanism includes a hydraulic cylinder and symmetrically arranged hydraulic push rods, wherein the symmetrically arranged hydraulic push rods are respectively connected to different clamping blocks, and the hydraulic cylinder is arranged on the tooling body and is used to drive the hydraulic push rods to drive the clamping blocks to move.

5. The wind turbine blade hoisting tool according to claim 4, characterized in that: The clamping block is provided with an installation groove, and the bonding mechanism includes bonding block one, bonding block two and bonding block three. The bonding block one is rotatably connected to the installation groove, the bonding block one is provided with a plurality of rotating grooves one, the bonding block two is arranged in the rotating groove one, the bonding block two is provided with a plurality of rotating grooves two, and the bonding block three is arranged in the rotating groove two.

6. The wind turbine blade hoisting tool according to claim 5, characterized in that: The clamping block is provided with a locking hole, and the locking mechanism includes a locking bolt and a locking nut. The relative position of the clamping block is locked by sequentially passing the locking bolt through the locking holes provided on different clamping blocks and locking the locking nut.

7. The wind turbine blade hoisting tool according to claim 6, characterized in that: The adsorption mechanism comprises an adsorption push rod, a suction cup and an exhaust valve. The adsorption push rod is arranged on the clamping block and is used to drive the suction cup to fit the wind turbine blade. The exhaust valve is arranged on the suction cup.

8. The wind turbine blade hoisting tool according to claim 7, characterized in that: The energy absorption mechanism includes a connecting rope, a piston, a cylinder, a return spring, a connecting pipe, a connecting valve and a one-way valve. The two ends of the connecting rope are respectively connected to the bonding block and the piston, the piston is arranged on the cylinder, the cylinder is arranged on the clamping block, the one-way valve is arranged on the cylinder, the two ends of the return spring are respectively connected to the piston and the inner wall of the cylinder, the two ends of the connecting pipe are respectively connected to the cylinder and the connecting valve, and the connecting valve is arranged at the connecting end of the adsorption push rod and the suction cup.

9. A method of use, for using the wind turbine blade hoisting tool according to claim 8, characterized in that: The steps include: A, connect the tooling body to the crane's hanger through the lifting ring; B. Control the hydraulic push rod to clamp the wind turbine blade. During the clamping process, the bonding blocks 1, 2 and 3 are all rotated to adhere to the surface of the wind turbine blade, and the suction cup is adsorbed to the surface of the wind turbine blade by controlling the adsorption push rod; C. After clamping is completed, the relative position of the clamping block is locked by a locking mechanism; D. During the hoisting process, when the wind turbine blade shakes due to external factors such as wind, the positions of bonding blocks 1, 2 and 3 will be adjusted accordingly. When bonding block 1 is adjusted, it will drive the connecting rope to move, thereby driving the piston to move along the cylinder and then expel the air in the suction cup to strengthen the suction cup's adsorption of the wind turbine blade.

Images