Wind driven generator blade hoisting tool

Abstract

The utility model relates to a wind driven generator blade hoisting tool convenient for adjusting an installation angle, in particular to a wind driven generator blade hoisting tool, which comprises a top plate and a traction plate, the upper surface of the top plate is rotatably connected with the lower surface of the traction plate, and four air cylinders are respectively arranged at four corners of the upper surface of the top plate. A servo motor b drives a gear a and a gear b to rotate, the gear b rotates to drive a connecting column, a traction plate, a top plate, a bottom plate and wind driven generator blades to conduct direction adjustment, the orientation of the installation face of the wind driven generator blades is adjusted according to the installation requirement, and the moving direction of a balancing weight is adjusted according to the installation angle needed by the wind driven generator blades. And the inclination angle sensor detects the inclination angle of the wind driven generator blade, so that the installation angle of the wind driven generator blade is accurately adjusted, and the problem that an existing device cannot accurately adjust the installation angle of the blade is solved.

Description

Technical Field

[0001] The utility model relates to a wind turbine blade hoisting tool, in particular to a wind turbine blade hoisting tool which is convenient for adjusting the installation angle. Background Art

[0002] Wind turbine generators include wind rotors and generators; wind rotor blades rotate to generate electricity and the generator head rotates under wind force. Wind power generation power source consists of wind turbine generators, towers supporting the generators, battery charge controllers, inverters, unloaders, grid-connected controllers, and battery packs. The wind rotor is the energy conversion device of the wind turbine generator set. Its function is to convert wind energy into mechanical energy and use the rotation of the wind rotor to drive the generator to generate electricity. The wind rotor is an important component of the wind turbine, mainly consisting of three parts: blades, petioles, and wheel stages.

[0003] At present, the installation method of the wind rotor system is usually to complete the hoisting of the hub assembly first, and then hoist the individual blades from the ground to the hub one by one, and complete the assembly with the wind rotor assembly in sequence.

[0004] China Utility Model Patent Publication No.: CN217478832U discloses a horizontal lifting device for wind turbine blades. The device can clamp the entire blade according to the spring by setting a clamping assembly to prevent the blade from shaking back and forth and increase stability. By setting a weight-adding frame and placing weight-adding weights on the weight-adding frame, the stability of the blade can be adjusted, making the blade more stable during installation and reducing the risk factor.

[0005] At present, when adjusting the installation angle of the blade, manual adjustment is usually adopted for installation, and the installation angle of the blade cannot be accurately adjusted through the lifting tooling. Utility Model Content

[0006] In order to solve the problems raised in the above background technology, the utility model provides a wind turbine blade hoisting tool.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wind turbine blade lifting tool, comprising a top plate and a traction plate, the upper surface of the top plate is rotatably connected to the lower surface of the traction plate, four cylinders are respectively installed at the four corners of the upper surface of the top plate, the telescopic ends of the cylinders are fixedly connected to the upper surface of the bottom plate, four traction ropes are respectively installed at the four corners of the upper surface of the traction plate, a power box is bolted to the upper surface of the traction plate, an azimuth adjustment component is arranged on the upper surface of the traction plate, an adjustment box is fixedly connected to the lower surface of the bottom plate, and a horizontal adjustment component is arranged inside the adjustment box.

[0008] Preferably, the azimuth adjustment assembly includes a connecting column installed in a bearing on the upper surface of the traction plate, the bottom end of the connecting column is fixedly connected to the upper surface of the top plate, a gear b is installed on the outer surface of the connecting column, the outer surface of the gear b is meshed with the outer surface of the gear a, the upper surface of the gear a is fixedly connected to the output shaft of the servo motor b, and the servo motor b is installed on the upper surface of the traction plate.

[0009] Preferably, a tilt sensor is installed on the upper surface of the top plate.

[0010] Preferably, two rubber pads are respectively installed on the opposite sides of the top plate and the bottom plate.

[0011] Preferably, the horizontal adjustment assembly includes a screw rotatably connected to the left side of the inner wall of the adjustment box, the right end of the screw passes through a threaded hole opened on the left side of the counterweight block and is fixedly connected to the output shaft of a servo motor a, and the servo motor a is installed on the right side of the adjustment box.

[0012] Preferably, two sliding blocks are fixedly connected to the lower surface of the traction plate, the lower surfaces of the sliding blocks are slidably connected to the lower surface of the inner wall of the slide groove, and the slide groove is opened on the upper surface of the top plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model drives gear a and gear b to rotate through servo motor b. The rotation of gear b drives connecting column, traction plate, top plate, bottom plate and wind turbine blade to adjust the orientation. The orientation of the installation surface of wind turbine blade is adjusted according to installation requirements. The moving direction of the counterweight is adjusted according to the required installation angle of wind turbine blade. The inclination sensor detects the inclination angle of wind turbine blade. Thus, the installation angle of wind turbine blade is accurately adjusted, which solves the problem that the existing device cannot accurately adjust the installation angle of the blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the power box in the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the regulating box in the utility model;

[0019] In the figure: 1. traction plate; 2. top plate; 3. traction rope; 4. power box; 5. cylinder; 6. bottom plate; 7. rubber pad; 8. inclination sensor; 9. adjustment box;

[0020] Horizontal adjustment components: 101, servo motor a; 102, screw; 103, counterweight; 11, slide;

[0021] Azimuth adjustment assembly: 121, gear a; 122, servo motor b; 123, gear b; 13, connecting column; 14, slider. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example

[0024] See also Figure 1-3 The utility model provides the following technical solutions: a wind turbine blade lifting tool, comprising a top plate 2 and a traction plate 1, the upper surface of the top plate 2 is rotatably connected to the lower surface of the traction plate 1, four cylinders 5 are respectively installed at the four corners of the upper surface of the top plate 2, the telescopic ends of the cylinders 5 are fixedly connected to the upper surface of the bottom plate 6, four traction ropes 3 are respectively installed at the four corners of the upper surface of the traction plate 1, a power box 4 is bolted to the upper surface of the traction plate 1, an azimuth adjustment component is arranged on the upper surface of the traction plate 1, an adjustment box 9 is fixedly connected to the lower surface of the bottom plate 6, and a horizontal adjustment component is arranged inside the adjustment box 9.

[0025] Specifically, the azimuth adjustment assembly includes a connecting column 13 installed in a bearing on the upper surface of the traction plate 1, the bottom end of the connecting column 13 is fixedly connected to the upper surface of the top plate 2, the outer surface of the connecting column 13 is installed with a gear b123, the outer surface of the gear b123 is meshed with the outer surface of the gear a121, the upper surface of the gear a121 is fixedly connected to the output shaft of the servo motor b122, and the servo motor b122 is installed on the upper surface of the traction plate 1;

[0026] The servo motor b122 drives the gear a121 and the gear b123 to rotate. The rotation of the gear b123 drives the connecting column 13, the traction plate 1, the top plate 2, the bottom plate 6 and the wind turbine blade to adjust the orientation of the wind turbine blade installation surface according to the installation requirements.

[0027] Specifically, the upper surface of the top plate 2 is provided with a tilt sensor 8;

[0028] The tilt angle of the top plate 2 is detected by the tilt sensor 8 .

[0029] Specifically, two rubber pads 7 are installed on opposite sides of the top plate 2 and the bottom plate 6;

[0030] The rubber pad 7 increases the friction between the top plate 2 and the bottom plate 6 and the wind turbine blades, while preventing the wind turbine blades from being damaged due to excessive squeezing.

[0031] Specifically, the horizontal adjustment assembly includes a screw 102 rotatably connected to the left side of the inner wall of the adjustment box 9, the right end of the screw 102 passes through a threaded hole opened on the left side of the counterweight block 103 and is fixedly connected to the output shaft of the servo motor a101, and the servo motor a101 is installed on the right side of the adjustment box 9;

[0032] The servo motor a101 drives the screw 102 to rotate, and the rotation of the screw 102 drives the counterweight 103 to move, and the device is leveled according to the measurement data of the inclination sensor 8, so as to facilitate the smooth and rapid lifting of the wind turbine blade to the installation location;

[0033] During installation, the moving direction of the counterweight 103 is adjusted according to the required installation angle of the wind turbine blades, and the inclination angle of the wind turbine blades is detected by the inclination sensor 8, so that the installation angle of the wind turbine blades can be accurately adjusted.

[0034] Specifically, two sliders 14 are fixedly connected to the lower surface of the traction plate 1, and the lower surface of the slider 14 is slidably connected to the lower surface of the inner wall of the slide groove 11, and the slide groove 11 is opened on the upper surface of the top plate 2;

[0035] The cross sections of the slide groove 11 and the slider 14 are both T-shaped;

[0036] The orientation adjustment assembly drives the top plate 2 to adjust its orientation, so that the slider 14 slides in the slide groove 11 , and the movement of the top plate 2 and the traction plate 1 is limited by the slider 14 and the slide groove 11 .

[0037] The working principle and use process of this utility model:

[0038] The utility model, when in use;

[0039] The wind turbine blades are placed between the top plate 2 and the bottom plate 6. The cylinder 5 drives the bottom plate 6 to move upward. The wind turbine blades are clamped and fixed by clamping the top plate 2 and the bottom plate 6. The friction between the top plate 2 and the bottom plate 6 on the wind turbine blades is increased by the rubber pad 7. The inclination angle of the top plate 2 is detected by the inclination sensor 8. The servo motor a101 drives the screw 102 to rotate. The rotation of the screw 102 drives the counterweight 103 to move. The device is leveled according to the measurement data of the inclination sensor 8, which is convenient for leveling the wind turbine blades. It is hoisted to the installation site steadily and quickly, and the servo motor b122 drives the gear a121 and the gear b123 to rotate. The rotation of the gear b123 drives the connecting column 13, the traction plate 1, the top plate 2, the bottom plate 6 and the wind turbine blades to adjust the azimuth. The orientation of the installation surface of the wind turbine blades is adjusted according to the installation requirements. The moving direction of the counterweight 103 is adjusted according to the required installation angle of the wind turbine blades. The inclination sensor 8 detects the inclination angle of the wind turbine blades, so that the installation angle of the wind turbine blades can be accurately adjusted.

[0040] The circuits, electronic components and modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by this utility model does not involve improvements to software and methods.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A wind turbine blade hoisting tool, comprising a top plate (2) and a traction plate (1), characterized in that: The upper surface of the top plate (2) is rotatably connected to the lower surface of the traction plate (1); four cylinders (5) are respectively installed at the four corners of the upper surface of the top plate (2); the telescopic ends of the cylinders (5) are fixedly connected to the upper surface of the bottom plate (6); four traction ropes (3) are respectively installed at the four corners of the upper surface of the traction plate (1); a power box (4) is bolted to the upper surface of the traction plate (1); an azimuth adjustment component is arranged on the upper surface of the traction plate (1); an adjustment box (9) is fixedly connected to the lower surface of the bottom plate (6); a horizontal adjustment component is arranged inside the adjustment box (9).

2. The wind turbine blade hoisting tool according to claim 1, characterized in that: The azimuth adjustment assembly comprises a connecting column (13) mounted in a bearing on the upper surface of the traction plate (1); the bottom end of the connecting column (13) is fixedly connected to the upper surface of the top plate (2); a gear b (123) is mounted on the outer surface of the connecting column (13); the outer surface of the gear b (123) is meshed with the outer surface of the gear a (121); the upper surface of the gear a (121) is fixedly connected to the output shaft of a servo motor b (122); and the servo motor b (122) is mounted on the upper surface of the traction plate (1).

3. The wind turbine blade hoisting tool according to claim 1, characterized in that: An inclination sensor (8) is installed on the upper surface of the top plate (2).

4. The wind turbine blade hoisting tool according to claim 1, characterized in that: Two rubber pads (7) are respectively installed on the opposite sides of the top plate (2) and the bottom plate (6).

5. The wind turbine blade hoisting tool according to claim 1, characterized in that: The horizontal adjustment assembly comprises a screw rod (102) rotatably connected to the left side of the inner wall of the adjustment box (9); the right end of the screw rod (102) passes through a threaded hole provided on the left side of the counterweight block (103) and is fixedly connected to the output shaft of a servo motor a (101); and the servo motor a (101) is installed on the right side of the adjustment box (9).

6. The wind turbine blade hoisting tool according to claim 1, characterized in that: Two sliders (14) are fixedly connected to the lower surface of the traction plate (1), and the lower surfaces of the sliders (14) are slidably connected to the lower surface of the inner wall of the slide groove (11), and the slide groove (11) is opened on the upper surface of the top plate (2).

Images