Length auxiliary mounting equipment for full-size blade of wind generating set

Abstract

The utility model discloses a length auxiliary installation device for a full-size blade of a wind generating set. The length auxiliary installation device comprises an installation base used for fixing a blade main shaft. A plurality of blade supporting seats are arranged around the circumference of the mounting base, a plurality of supporting roll shafts are mounted on the upper surfaces of the blade supporting seats, and the supporting roll shafts are conveyed in the length direction of the blade supporting seats; clamping assemblies used for clamping the blades are arranged at the connecting positions of the mounting base and the blade supporting bases. Blade jacking assemblies used for adjusting the vertical height of the blades are arranged on the mounting base, and the positions of the blade jacking assemblies correspond to the blade supporting bases one to one. The length auxiliary installation equipment for the full-size blade of the wind generating set is reasonable in structural design, accurate and rapid assembly can be completed by using the blade supporting seat to complete blade supporting and horizontal position adjustment, using the clamping assembly to clamp and fix the blade and using the blade jacking assembly to adjust the height of the blade, the adaptability is good, and the installation efficiency is high. And the stability and the safety during installation are good.

Description

Technical Field

[0001] The utility model relates to the technical field of wind power equipment, in particular to an auxiliary installation device for the length of full-size blades of a wind generator set, and in particular to an auxiliary device suitable for assembling the full-size blade length of a wind generator set with a main shaft. Background Art

[0002] As a clean and renewable energy source, wind energy is gaining more and more attention from countries around the world. It has a huge reserve. The global wind energy is about 2.74×10 9 MW, of which 2×10 7 MW, which is 10 times greater than the total amount of exploitable hydropower on Earth.

[0003] When installing a wind turbine, it is necessary to install the blades between the main shaft. Due to the different sizes of wind turbines and the different lengths of blades, when assembling the blades and the main shaft, the fixed equipment is limited by the adjustment range and cannot adapt to blades of all sizes. When installing longer or shorter blades, it cannot provide sufficient support, affecting the stability and safety of the installation. The blades may move or shake during the installation process, affecting the accuracy and stability of the installation.

[0004] Therefore, it is of great practical significance to develop a blade installation auxiliary equipment with good applicability and the ability to improve the stability and safety of the installation process. Utility Model Content

[0005] Due to the above-mentioned defects in the prior art, the utility model provides a blade installation auxiliary device with good applicability and capable of improving the stability and safety of the installation process. Specifically, it is a length auxiliary installation device for full-size blades of wind turbines, which overcomes the defects of poor applicability of current installation equipment and difficulty in meeting the needs of auxiliary installation of different blade lengths of different unit models.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A length auxiliary installation device for a full-size blade of a wind turbine generator, comprising a mounting base for fixing a main shaft of the blade;

[0008] A plurality of blade support seats are arranged around the circumference of the mounting base, and a plurality of support rollers are installed on the upper surface of the blade support seats. The support rollers are transported along the length direction of the blade support seats to ensure that the blades can be slid and transported during assembly, which is convenient for front and rear adjustment.

[0009] A clamping assembly for clamping the blade is provided at the connection between the mounting base and the blade support seat;

[0010] The mounting base is provided with a blade lifting assembly for adjusting the vertical height of the blade, and the position of the blade lifting assembly corresponds one-to-one with the blade supporting seat.

[0011] The utility model is a length auxiliary installation device for full-size blades of a wind turbine generator set. The structure is reasonably designed, and a blade support seat is used to complete the blade support and horizontal position adjustment. During installation, a clamping assembly is used to clamp and fix the blade. The height of the blade can also be adjusted by a blade lifting assembly to complete accurate and fast assembly with the blade main shaft. The utility model has good applicability and can be adapted to blades of various specifications, and can improve the stability and safety of the installation process.

[0012] As the preferred technical solution:

[0013] A length auxiliary installation device for full-size blades of a wind turbine generator set as described above, wherein a support cavity for placing the main shaft of the blade is opened at the center of the installation base;

[0014] A first hydraulic rod is fixedly connected to the inner wall of the supporting cavity, and a clamping ring matching the blade main shaft is fixedly connected to the telescopic end of the first hydraulic rod, which has good adaptability and can adapt to blade main shafts of different specifications.

[0015] A length auxiliary installation device for full-size blades of a wind turbine generator set as described above, wherein the installation base is a square structure;

[0016] There are four blade support seats in total and the four blade support seats are distributed in an X shape;

[0017] There are four groups of blade lifting components.

[0018] The length auxiliary installation device for full-size blades of a wind turbine generator set as described above, wherein the side wall of the blade support seat is provided with a card slot, the interior of the card slot is slidably connected with a connecting slider, the side wall of the connecting slider is connected with a connecting rod, and the other end of the connecting rod is fixedly connected with the auxiliary support seat;

[0019] A plurality of support rollers are installed on the upper surface of the auxiliary support seat, and the support rollers are transported along the length direction of the auxiliary support seat. It is used to prevent excessive disturbance caused by the blade length being too long and insufficient support. The design of the blade support seat and the auxiliary support seat enables the device to adapt to the support / installation needs of longer blades. Place the wind blade to be installed on the blade support seat, and then contact one end of the blade with the outer wall of the blade main shaft. The staff uses bolts to install the two, and then slide the auxiliary support seat outward inside the slot through the connecting rod and the connecting slider to increase the support length of the blade support seat. It is adjusted according to the length of the blade to adapt to blades of different lengths, making the equipment highly flexible and adaptable, and suitable for assembly of full-size blade lengths.

[0020] A length auxiliary installation device for full-size blades of a wind turbine generator set as described above, wherein the clamping assembly includes a slide groove, a threaded rod and a limit plate;

[0021] The blade support seat is fixed with a slide groove at the end away from the auxiliary support seat, and a threaded rod is connected inside the slide groove. Two opposing sliders are threadedly connected on the threaded rod, and the sliders are fixedly connected to the limit plate. The clamping assembly is reasonably designed and can adapt to the clamping needs of blades of different specifications. By rotating the threaded rod, the two sets of limit plates slide along the threaded rod inside the slide groove, and the blade to be installed is limited / clamped to ensure the stability when the blade and the blade main shaft are docked and installed.

[0022] In the above-mentioned length auxiliary installation device for full-size blades of a wind turbine generator set, a rubber plate is installed on the inner side of the limit plate to play a buffering and protective role.

[0023] The length auxiliary installation device for full-size blades of a wind turbine generator set as described above, wherein the slot is a cross-shaped slot;

[0024] The clamping grooves are arranged along the length direction of the blade supporting seat.

[0025] A length auxiliary installation device for full-size blades of a wind turbine generator set as described above, wherein the installation base is provided with four groups of installation cavities for arranging blade lifting components;

[0026] The blade lifting assembly comprises a second hydraulic rod and an auxiliary support block, one end of the second hydraulic rod is installed at the bottom of the installation cavity, and the other end of the second hydraulic rod is fixed to the auxiliary support block.

[0027] In the above-mentioned auxiliary length installation device for full-size blades of a wind turbine generator set, a rubber ring is installed at the edge of the upper end surface of the auxiliary support block.

[0028] The above technical solution is only a feasible technical solution of the present utility model, and the protection scope of the present utility model is not limited thereto. Those skilled in the art can reasonably adjust the specific design according to actual needs.

[0029] The above utility model has the following advantages or beneficial effects:

[0030] (1) The length auxiliary installation device for full-size blades of a wind turbine generator set of the utility model can adjust the distance between the auxiliary support seat and the blade support seat according to the length of the blade, thereby adapting to blades of different lengths, so that the device has high flexibility and adaptability, and is suitable for assembling full-size blades;

[0031] (2) The length auxiliary installation device for full-size blades of wind turbine generator sets of the utility model can ensure the stable and safe placement of blades during the installation process, can more effectively support the blades, and reduce the risk of safety accidents caused by improper operation or unstable equipment;

[0032] (3) The length auxiliary installation device for full-size blades of a wind turbine generator set of the utility model rotates the threaded rod to make two sets of limit plates slide along the threaded rod inside the slide groove, limit / clamp the blade to be installed, and ensure the stability of the blade and the blade main shaft when they are docked and installed;

[0033] (4) The length auxiliary installation device for full-size blades of a wind turbine generator set of the utility model can be precisely adjusted according to the size and shape of the blades, thereby avoiding installation problems caused by blade shaking or misalignment and ensuring the stability of the installation between the blades and the main shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The present invention and its features, appearance and advantages will become more apparent by reading the detailed description of the non-limiting embodiments with reference to the following drawings. The same reference numerals indicate the same parts in all the drawings. The drawings are not drawn to scale, and the emphasis is on illustrating the subject matter of the present invention.

[0035] Figure 1 It is a three-dimensional structural schematic diagram of the length auxiliary installation device for full-size blades of a wind turbine generator set of the utility model;

[0036] Figure 2 It is a schematic diagram of the three-dimensional structure of the blade support seat;

[0037] Figure 3 is a structural schematic diagram of the chute;

[0038] Figure 4 This is a schematic diagram of the installation base;

[0039] Among them, 1. installation base; 2. blade support seat; 201. slot; 202. connecting slider; 203. connecting rod; 204. auxiliary support seat; 3. slide groove; 301. threaded rod; 302. limit plate; 303. rubber plate; 4. support cavity; 401. first hydraulic rod; 402. clamping ring; 5. blade main shaft; 6. installation cavity; 601. second hydraulic rod; 602. auxiliary support block; 7. rubber ring; 8. support roller. DETAILED DESCRIPTION

[0040] The structure of the present invention is further described below in conjunction with the accompanying drawings and specific embodiments, but is not intended to limit the present invention.

[0041] Example 1

[0042] A length auxiliary installation device for full-size blades of wind turbine generator sets, such as Figures 1 to 4 As shown, it includes a mounting base 1 for fixing the blade main shaft 5. The mounting base 1 is a square structure. A supporting cavity 4 for placing the blade main shaft 5 is opened at the center of the mounting base 1. A first hydraulic rod 401 is fixedly connected to the inner wall of the supporting cavity 4. A clamping ring 402 matching the blade main shaft 5 is fixedly connected to the telescopic end of the first hydraulic rod 401.

[0043] Four blade support seats 2 are arranged in an X shape around the circumference of the mounting base 1. The side wall of the blade support seat 2 is provided with a card slot 201 (cross-shaped slot) arranged along the length direction of the blade support seat 2. A connecting slider 202 is slidably connected inside the card slot 201. A connecting rod 203 is connected to the side wall of the connecting slider 202. The other end of the connecting rod 203 is fixedly connected to an auxiliary support seat 204. A plurality of supporting rollers 8 are installed on the upper surfaces of the blade support seat 2 and the auxiliary support seat 204, and the supporting rollers 8 are transported along the length direction of the blade support seat 2 / auxiliary support seat 204.

[0044] A clamping assembly for clamping the blade is provided at the connection between the mounting base 1 and the blade support seat 2. The clamping assembly includes a slide groove 3, a threaded rod 301 and a limit plate 302. The end of the blade support seat 2 away from the auxiliary support seat 204 is fixed with a slide groove 3, the interior of the slide groove 3 is connected with a threaded rod 301, two opposite sliders are threadedly connected on the threaded rod 301, and the sliders are fixedly connected to the limit plate 302, and a rubber plate 303 is installed on the inner side of the limit plate 302;

[0045] Four groups of blade lifting assemblies for adjusting the vertical height of the blades are provided on the mounting base 1, and the positions of the blade lifting assemblies correspond one-to-one to the blade support seats. Four groups of mounting cavities 6 for arranging the blade lifting assemblies are opened on the mounting base 1. The blade lifting assemblies include a second hydraulic rod 601 and an auxiliary support block 602. One end of the second hydraulic rod 601 is installed at the bottom of the mounting cavity 6, and the other end of the second hydraulic rod 601 is fixed to the auxiliary support block 602. A rubber ring 7 is installed at the edge of the upper end surface of the auxiliary support block 602.

[0046] The above-mentioned length auxiliary installation equipment for full-size blades of wind turbines has been applied in the Hunan Hengdong Wuji Wind Farm Project (wind power generation project) undertaken by the applicant. After practice, it was found that the utility model can better control the assembly quality of blades and main shafts and ensure installation accuracy.

[0047] It has been verified that the length auxiliary installation equipment for full-size blades of wind turbines of the utility model has a reasonable structural design, utilizes a blade support seat to complete blade support and horizontal position adjustment, utilizes a clamping assembly to clamp and fix the blade during installation, and can also utilize a blade lifting assembly to adjust the height of the blade, thereby completing precise and rapid assembly with the blade main shaft. It has good applicability and can be adapted to blades of various specifications, thereby improving the stability and safety of the installation process.

[0048] Those skilled in the art should understand that those skilled in the art can implement variations by combining the prior art and the above embodiments, which will not be described in detail here. Such variations do not affect the essential content of the present utility model, and will not be described in detail here.

[0049] The above describes the preferred embodiments of the utility model. It should be understood that the utility model is not limited to the above-mentioned specific implementation methods, and the devices and structures that are not described in detail should be understood to be implemented in a common manner in the art; any technician familiar with the art can use the above-disclosed methods and technical contents to make many possible changes and modifications to the technical solutions of the utility model without departing from the scope of the technical solution of the utility model, or modify them into equivalent embodiments of equivalent changes, which does not affect the essential content of the utility model. Therefore, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of protection of the technical solution of the utility model.

Claims

1. A length auxiliary installation device for full-size blades of wind turbine generator sets, characterized in that: including a mounting base for fixing a blade spindle; A plurality of blade support seats are arranged around the circumference of the mounting base, and a plurality of support rollers are installed on the upper surface of the blade support seats and the support rollers are transported along the length direction of the blade support seats; A clamping assembly for clamping the blade is provided at the connection between the mounting base and the blade support seat; The mounting base is provided with a blade lifting assembly for adjusting the vertical height of the blade, and the position of the blade lifting assembly corresponds one-to-one with the blade supporting seat.

2. The length auxiliary installation device for full-size blades of a wind turbine generator set according to claim 1, characterized in that: A supporting cavity for placing the blade main shaft is provided at the center of the mounting base; A first hydraulic rod is fixedly connected to the inner wall of the supporting cavity, and a clamping ring matching the blade main shaft is fixedly connected to the telescopic end of the first hydraulic rod.

3. The length auxiliary installation device for full-size blades of a wind turbine generator set according to claim 1, characterized in that: The mounting base is a square structure; There are four blade support seats in total and the four blade support seats are distributed in an X shape; There are four groups of blade lifting components.

4. The length auxiliary installation device for full-size blades of a wind turbine generator set according to claim 1, characterized in that: The side wall of the blade support seat is provided with a card slot, the interior of the card slot is slidably connected with a connecting slider, the side wall of the connecting slider is connected with a connecting rod, and the other end of the connecting rod is fixedly connected with the auxiliary support seat; A plurality of supporting rollers are installed on the upper surface of the auxiliary supporting seat, and the supporting rollers are transported along the length direction of the auxiliary supporting seat.

5. The length auxiliary installation device for full-size blades of a wind turbine generator set according to claim 4, characterized in that: The clamping assembly includes a slide groove, a threaded rod and a limit plate; The blade support seat is fixed with a slide groove at the end away from the auxiliary support seat, the interior of the slide groove is connected with a threaded rod, and two opposite sliding blocks are threadedly connected on the threaded rod, and the sliding blocks are fixedly connected to the limiting plate.

6. The length auxiliary installation device for full-size blades of a wind turbine generator set according to claim 5, characterized in that: A rubber plate is arranged on the inner side of the limiting plate.

7. The length auxiliary installation device for full-size blades of a wind turbine generator set according to claim 4, characterized in that: The card slot is a cross-shaped slot; The clamping grooves are arranged along the length direction of the blade supporting seat.

8. The length auxiliary installation device for full-size blades of a wind turbine generator set according to claim 3, characterized in that: The mounting base is provided with four groups of mounting cavities for arranging blade lifting components; The blade lifting assembly comprises a second hydraulic rod and an auxiliary support block, one end of the second hydraulic rod is installed at the bottom of the installation cavity, and the other end of the second hydraulic rod is fixed to the auxiliary support block.

9. The length auxiliary installation device for full-size blades of a wind turbine generator set according to claim 8, characterized in that: A rubber ring is arranged at the edge of the upper end surface of the auxiliary support block.

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