阅读说明：本技术 一种风机叶片组装辅助装置及组装方法 (Fan blade assembling auxiliary device and assembling method ) 是由 郭军 简晖 鄂学强 彭强 于 2021-09-18 设计创作，主要内容包括：本发明涉及风电新能源施工技术领域,具体涉及一种风机叶片组装辅助装置及组装方法。通过在底座上设置轨道,使叶片支托装置可以在轨道上移动,能够适应直径不同的风机叶片；通过采用液压高度调节装置,能够根据风机轮毂操作平台搭建的高度,对应调节组装叶片的高度,使风机叶片与轮毂的组装更加精准；通过设置球头装置连接的支护板,使该装置能够与风机叶片外表面完全贴合,支撑牢靠；通过在底座上设置定位孔,在遇到骤起大风等不可控恶劣天气时,能够通过打入定位桩稳住装置及风机叶片；通过设置动力系统和行走机构,能够快捷高效的对接风机叶片和轮毂,提高风机叶片的组装效率。(The invention relates to the technical field of wind power new energy construction, in particular to a fan blade assembly auxiliary device and an assembly method. The base is provided with the rail, so that the blade supporting device can move on the rail and can adapt to fan blades with different diameters; by adopting the hydraulic height adjusting device, the height of the assembled blade can be correspondingly adjusted according to the height built by the fan hub operating platform, so that the fan blade and the hub are assembled more accurately; the supporting plate connected with the ball head device is arranged, so that the device can be completely attached to the outer surface of the fan blade, and the supporting is firm; by arranging the positioning holes on the base, the device and the fan blade can be stabilized by driving the positioning piles in case of uncontrollable severe weather such as strong wind and the like; through setting up driving system and running gear, can swiftly efficient butt joint fan blade and wheel hub, improve fan blade's packaging efficiency.)

1. A fan blade assembly auxiliary device is used for assembling a fan blade (12) and a hub (14) placed on an operation platform (13) together, and is characterized by comprising a rail (2) arranged in the middle of a base (1), wherein a hydraulic height adjusting device (4) is arranged on the rail (2), the hydraulic height adjusting device (4) is adjustable in height and can move and be fixed along the rail (2), and the hydraulic height adjusting device (4) is fixedly connected with the rail (2) through a locking device (3) arranged at the bottom;

the base (1) is provided with a traveling mechanism (8) and a power system (9), and the traveling mechanism (8) is electrically connected with the power system (9).

2. The fan blade assembly auxiliary device according to claim 1, wherein at least three groups of hydraulic height adjusting devices (4) are provided, a ball head device (5) is arranged at the top of each hydraulic height adjusting device (4), a supporting plate (6) is connected to the top of each ball head device (5), and a supporting surface of each supporting plate (6) can rotate around each ball head device (5).

3. The fan blade assembly auxiliary device according to claim 2, wherein the support guard plate (6) is provided with connecting rings (7) at both ends, and the connecting rings (7) are used for fixing binding ropes (11) arranged on the fan blade (12).

4. The fan blade assembly auxiliary device according to claim 1, wherein the traveling mechanism (8) is disposed on two sides of the base (1), and the power system (9) is disposed at the rear end of the base (1).

5. The fan blade assembly auxiliary device according to claim 1 or 4, wherein the base (1) is provided with positioning holes (10) at the front and rear ends.

6. Fan blade assembly aid according to claim 1 or 4, wherein the running gear (8) is in particular a wheel running gear and the power system (9) is in particular a motor drive system.

7. A fan blade assembling method is characterized by comprising the following steps:

s1, placing the hub (14) on the operating platform (13);

s2, adjusting the height of the hydraulic height adjusting device (4) to be flush with the operating platform (13);

s3, moving the hydraulic height adjusting device (4) to a position matched with the diameter of the fan blade (12) along the track (2), and fixing the hydraulic height adjusting device (4) and the track (2) through the locking device (3);

s4, hoisting the fan blade (12) away from the transport vehicle by the main crane, and placing the fan blade on the supporting plate (6);

s5, adjusting the height of the hydraulic height adjusting device (4), and rotating the supporting surface of the supporting plate (6) around the ball head device (5) to make the supporting surface of the supporting plate (6) completely attached to the outer surface of the fan blade (12);

s6, the binding rope (11) is wound around the upper half circle of the fan blade (12), and two ends of the binding rope (11) are respectively fixed on the corresponding connecting rings (7);

s7, controlling the power system (9) to drive the travelling mechanism (8) to move towards the direction close to the operating platform (13), and moving the fan blade (12) to the end assembling position of the hub (14);

s8, manually smearing bolt lubricating grease for the fan blade (12);

s9, adjusting the hydraulic height adjusting device (4) and the traveling mechanism (8) to match with the inside of the hub (14) to change the pitch to complete the alignment assembly of the fan blade (12) and the hub (14);

s10, checking and accepting the torque of the fan blade (12) and the hub (14);

s11, disassembling the binding rope (11) and adjusting the height of the hydraulic height adjusting device (4) downwards;

s12, controlling the power system (9) to drive the travelling mechanism (8) to move in the direction away from the operating platform (13) until a preset initial position is reached;

and S13, repeatedly executing the steps S2-S12 until the assembly work of all the fan blades is completed.

8. The fan blade assembly method according to claim 7, wherein the step S3 is to move the hydraulic height adjusting devices (4) to a position matching the diameter of the fan blade (12), specifically, to make the distance between the two outermost sets of hydraulic height adjusting devices (4) equal to 80% of the diameter of the fan blade (12), and to arrange the rest hydraulic height adjusting devices (4) uniformly at equal intervals.

9. The fan blade assembling method according to claim 7, wherein in step S6, two ends of the binding rope (11) are respectively fixed to the corresponding connecting rings (7), specifically, two ends of the binding rope (11) are respectively fixed to the corresponding connecting rings (7) of the two outermost support guard plates (6).

Technical Field

The invention relates to the technical field of wind power new energy construction, in particular to a fan blade assembly auxiliary device and an assembly method.

Background

At present, the assembly work of the fan blades is generally that three blades and a hub placed on an operation platform in advance are assembled, the three blades are firstly positioned and fixed on the hub and then are installed one by one in a basic sequence, the blades are disassembled from a special blade transport vehicle by adopting a main crane, and the relative positions of the blades and the hub are adjusted by matching with a manual tail sliding mode to complete the blade assembly work. The fan blade assembling method has the advantages of high field construction difficulty, high cost, extremely low construction efficiency and high safety risk, and the blades and the hub are easily damaged in uncontrollable severe weather such as sudden strong wind and the like.

With the rise of low-wind-speed fans, fan models are rapidly increased, the sizes and weights of blades are increased, and the existing assembling and adjusting methods are increasingly difficult to meet the requirements of site construction.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the fan blade assembling auxiliary device and the assembling method can improve the efficiency and accuracy of fan blade assembling, and are simple in structure and convenient to use.

In order to solve the technical problems, the invention adopts the technical scheme that: a fan blade assembly auxiliary device is used for assembling a fan blade 12 and a hub 14 placed on an operation platform 13 together and comprises a rail 2 arranged in the middle of a base 1, wherein a hydraulic height adjusting device 4 is arranged on the rail 2, the hydraulic height adjusting device 4 is adjustable in height and can move and be fixed along the rail 2, and the hydraulic height adjusting device 4 is connected and fixed with the rail 2 through a locking device 3 arranged at the bottom;

the base 1 is provided with a traveling mechanism 8 and a power system 9, and the traveling mechanism 8 is electrically connected with the power system 9.

Furthermore, hydraulic pressure height adjusting device 4 is equipped with three groups at least, 4 tops of hydraulic pressure height adjusting device are equipped with bulb device 5, 5 tops of bulb device are connected with a backplate 6, the holding surface of backplate 6 can rotate around bulb device 5.

Furthermore, both ends of the support guard plate 6 are provided with connecting rings 7, and the connecting rings 7 are used for fixing binding ropes 11 arranged on the fan blades 12.

Furthermore, the running mechanism 8 is arranged on two sides of the base 1, and the power system 9 is arranged at the rear end of the base 1.

Furthermore, the front end and the rear end of the base 1 are both provided with positioning holes 10.

Further, the traveling mechanism 8 is specifically a wheel-type traveling mechanism, and the power system 9 is specifically a motor drive system.

A fan blade assembling method comprises the following steps:

s1, placing the hub 14 on the operating platform 13;

s2, adjusting the height of the hydraulic height adjusting device 4 to be flush with the operating platform 13;

s3, moving the hydraulic height adjusting device 4 along the track 2 to a position matched with the diameter of the fan blade 12, and fixing the hydraulic height adjusting device 4 and the track 2 through the locking device 3;

s4, hoisting the fan blade 12 away from the transport vehicle by the main crane, and placing the fan blade on the supporting plate 6;

s5, adjusting the height of the hydraulic height adjusting device 4, and rotating the supporting surface of the supporting plate 6 around the ball head device 5 to make the supporting surface of the supporting plate 6 completely fit with the outer surface of the fan blade 12;

s6, winding the binding rope 11 around the upper half circle of the fan blade 12, and fixing two ends of the binding rope 11 to the corresponding connecting rings 7 respectively;

s7, controlling the power system 9 to drive the travelling mechanism 8 to move towards the direction close to the operating platform 13, and moving the fan blade 12 to the end part assembling position of the hub 14;

s8, manually smearing lubricating grease for the bolts of the fan blades 12;

s9, adjusting the hydraulic height adjusting device 4 and the traveling mechanism 8 to match with the inner part of the hub 14 to change the pitch to complete the alignment assembly of the fan blade 12 and the hub 14;

s10, checking the torque of the fan blade 12 and the hub 14;

s11, detaching the binding rope 11 and adjusting the height of the hydraulic height adjusting device 4 downwards;

s12, controlling the power system 9 to drive the travelling mechanism 8 to move in a direction away from the operating platform 13 until a preset initial position is reached;

and S13, repeatedly executing the steps S2-S12 until the assembly work of all the fan blades is completed.

Further, in step S3, the hydraulic height adjusting devices 4 are moved to positions matched with the diameter of the fan blade 12, specifically, the distance between the two outermost sets of hydraulic height adjusting devices 4 is equal to 80% of the diameter of the fan blade 12, and the rest hydraulic height adjusting devices 4 are uniformly arranged at equal intervals.

Further, in step S6, the two ends of the binding-rope 11 are respectively fixed to the corresponding connecting rings 7, specifically, the two ends of the binding-rope 11 are respectively fixed to the corresponding connecting rings 7 of the two outermost support-protection plates 6.

Compared with the prior art, the invention has the following main advantages:

1. the blade supporting device can move on the rail by arranging the rail on the base, and can adapt to fan blades with different diameters, so that the universality of the device is improved;

2. by adopting the hydraulic height adjusting device, the height of the assembled blade can be correspondingly adjusted according to the height built by the fan hub operating platform, so that the fan blade and the hub are assembled more accurately;

3. the supporting plate connected with the ball head device is arranged, so that the device can be completely attached to the outer surface of the fan blade, the supporting is firm, and the damage and scratch of paint on the surface of the fan blade are avoided;

4. by arranging the positioning holes on the base, the device and the fan blade can be stabilized by driving the positioning piles in case of uncontrollable severe weather such as strong wind and the like;

5. through setting up driving system and running gear, can swiftly efficient butt joint fan blade and wheel hub, improve fan blade's packaging efficiency.

Drawings

FIG. 1 is a front view of a fan blade assembly aid of the present invention;

FIG. 2 is a top view of a fan blade assembly aid of the present invention;

FIG. 3 is a side view of a fan blade assembly aid of the present invention;

FIG. 4 is a schematic view of a fan blade mounted to the apparatus;

FIG. 5 is a schematic view of a fan blade assembled to a hub;

FIG. 6 is a flow chart of a method for assembling a fan blade according to the present invention.

In the figure: 1. a base; 2. a track; 3. a locking device; 4. a hydraulic height adjustment device; 5. a ball head device; 6. supporting the guard plate; 7. a connecting ring; 8. a traveling mechanism; 9. a power system; 10. positioning holes; 11. tying a rope; 12. a fan blade; 13. an operating platform; 14. a hub.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

It should be noted that, according to the implementation requirement, each step/component described in the present application can be divided into more steps/components, and two or more steps/components or partial operations of the steps/components can be combined into new steps/components to achieve the purpose of the present invention.

First embodiment, a fan blade assembly aid implemented in accordance with the present invention is used to assemble a fan blade 12 with a hub 14 placed on an operator platform 13.

As shown in fig. 1, the device comprises a rail 2 arranged in the middle of a base 1, wherein a hydraulic height adjusting device 4 is arranged on the rail 2, and the hydraulic height adjusting device 4 is adjustable in height and can move and be fixed along the rail 2; as shown in fig. 2, the hydraulic height adjusting device 4 is fixed on the rail 2 by a locking device 3 arranged at the bottom.

The hydraulic height adjusting devices 4 are at least provided with three groups, specifically five groups in the embodiment, the distance between the two outermost groups of hydraulic height adjusting devices 4 is matched with the diameter of the fan blade 12, specifically, the distance between the two outermost groups of hydraulic height adjusting devices 4 is equal to 80% of the diameter of the fan blade 12, and the five groups of hydraulic height adjusting devices 4 are uniformly arranged on the track 2 at equal intervals and fixed with the track 2 through the locking devices 3.

Furthermore, the top of each group of hydraulic height adjusting devices 4 is provided with a ball head device 5, the top of the ball head device 5 is connected with a supporting plate 6, and the supporting surface of the supporting plate 6 can rotate at any angle around the ball head device 5 by adjusting the ball head device 5.

Furthermore, both ends of the support guard plate 6 are provided with connecting rings 7, and the connecting rings 7 are used for fixing binding ropes 11 arranged on the fan blades 12.

In addition, the front end and the rear end of the base 1 are both provided with positioning holes 10, and the positioning holes 10 are provided with positioning piles with sizes matched with the positioning piles.

As shown in fig. 3, two sides of the base 1 are provided with traveling mechanisms 8, specifically wheel-type traveling mechanisms; the rear end of the base 1 is provided with a power system 9, in particular a motor driving system.

The running mechanism 8 is electrically connected with the power system 9, and the power system 9 is controlled to drive the running mechanism 8 to drive the whole device to move together.

Based on the same inventive concept, the embodiment of the present application further provides a fan blade assembling method, as shown in fig. 6, including the following steps:

s1, placing the hub 14 on the operating platform 13;

s2, adjusting the height of the hydraulic height adjusting device 4 to be flush with the operating platform 13;

s3, moving the hydraulic height adjusting device 4 along the track 2 to a position matched with the diameter of the fan blade 12, and fixing the hydraulic height adjusting device 4 and the track 2 through the locking device 3;

s4, hoisting the fan blade 12 away from the transport vehicle by the main crane, and placing the fan blade on the supporting plate 6;

s5, adjusting the height of the hydraulic height adjusting device 4, and rotating the supporting surface of the supporting plate 6 around the ball head device 5 to make the supporting surface of the supporting plate 6 completely fit with the outer surface of the fan blade 12;

s6, passing the tying rope 11 around the upper half of the fan blade 12, and fixing both ends of the tying rope 11 to the corresponding connection rings 7, respectively, as shown in fig. 4;

s7, controlling the power system 9 to drive the travelling mechanism 8 to move towards the direction close to the operating platform 13, and moving the fan blade 12 to the end part assembling position of the hub 14;

s8, manually smearing lubricating grease for the bolts of the fan blades 12;

s9, adjusting the hydraulic height adjusting device 4 and the traveling mechanism 8 to match with the inner part of the hub 14 to change the pitch to complete the alignment assembly of the fan blade 12 and the hub 14, as shown in FIG. 5;

s10, checking the torque of the fan blade 12 and the hub 14;

s11, detaching the binding rope 11 and adjusting the height of the hydraulic height adjusting device 4 downwards;

s12, controlling the power system 9 to drive the travelling mechanism 8 to move in a direction away from the operating platform 13 until a preset initial position is reached;

and S13, repeatedly executing the steps S2-S12 until the assembly work of all the fan blades is completed.

In step S3, the hydraulic height adjusting devices 4 are moved to positions matched with the diameter of the fan blade 12, specifically, the distance between the two outermost sets of hydraulic height adjusting devices 4 is equal to 80% of the diameter of the fan blade 12, and the rest hydraulic height adjusting devices 4 are uniformly arranged at equal intervals.

Further, in step S6, the two ends of the binding-rope 11 are respectively fixed to the corresponding connecting rings 7, specifically, the two ends of the binding-rope 11 are respectively fixed to the corresponding connecting rings 7 of the two outermost support-protection plates 6.

The second embodiment is basically the same as the first embodiment in principle and technical scheme, and the difference is as follows: when uncontrollable severe weather such as strong wind and the like occurs in an accidental sudden condition, a positioning pile can be driven into the ground from the positioning hole 10 to fix the base 1 with the ground, so that the fan blade 12 cannot be greatly displaced, and the safety of equipment is ensured.

By adopting the auxiliary device and the assembling method for assembling the fan blade, the blade supporting device can move on the rail by arranging the rail on the base, so that the auxiliary device can adapt to the fan blades with different diameters, and the universality of the device is improved;

by adopting the hydraulic height adjusting device, the height of the assembled blade can be correspondingly adjusted according to the height built by the fan hub operating platform, so that the fan blade and the hub are assembled more accurately;

the supporting plate connected with the ball head device is arranged, so that the device can be completely attached to the outer surface of the fan blade, the supporting is firm, and the damage and scratch of paint on the surface of the fan blade are avoided;

by arranging the positioning holes on the base, the device and the fan blade can be stabilized by driving the positioning piles in case of uncontrollable severe weather such as strong wind and the like;

through setting up driving system and running gear, can swiftly efficient butt joint fan blade and wheel hub, improve fan blade's packaging efficiency.

It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.