CN215854610U

CN215854610U - Single-blade hoisting equipment with adjustable angle

Info

Publication number: CN215854610U
Application number: CN202122413221.XU
Authority: CN
Inventors: 王建国; 王靖宇
Original assignee: Cooper Tianjin Technology Co Ltd
Current assignee: Cooper New Energy Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-02-18
Anticipated expiration: 2031-10-08

Abstract

The utility model provides an angle-adjustable single-blade hoisting device which comprises a main cross beam frame, angle adjusting mechanisms and clamps, wherein the clamps are positioned at two ends of the main cross beam frame, the angle adjusting mechanisms are positioned above the main cross beam frame and comprise a left rotating assembly, a right rotating assembly and a forward and reverse rotating assembly, the left rotating assembly and the right rotating assembly comprise a rotating base and a power part I, the rotating base and the power part I are positioned on the main cross beam frame and hinged with the main cross beam frame, the forward and reverse rotating assembly comprises a suspension arm and a power part II, the suspension arm and the power part II are positioned on the rotating base and hinged with the rotating base, and a hinged shaft of the rotating base on the main cross beam frame is perpendicular to a hinged shaft of the suspension arm on the rotating base. The lifting appliance flexibly utilizes the oil cylinder to realize radial and axial adjustment of the wind power blade, and has the advantages of simple structure and convenient operation.

Description

Single-blade hoisting equipment with adjustable angle

Technical Field

The utility model relates to the technical field of hoisting, in particular to single-blade hoisting equipment with an adjustable angle.

Background

With the application and development of wind power generators, in order to improve the wind power generation efficiency, the size of the blades of the wind power generators is getting bigger and bigger at present, which makes it more and more difficult to assemble the blades and the hub on the ground and then integrally lift the blades to the tower for installation, because a very large installation platform is needed for assembly and the entering and exiting of hoisting equipment, the installation of the blades of the wind power generators by using a single-blade hoisting mode under the background becomes a trend basically, which puts higher requirements on a device for hoisting the single blades, and especially under the condition that a barring gear is not installed, how to adjust the angle of the blades according to the hub becomes a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide angle-adjustable single-blade hoisting equipment capable of automatically adjusting angles, aiming at overcoming the defects in the prior art and solving the technical problems in the prior art.

In order to achieve the purpose, the technical scheme of the utility model is that the angle-adjustable single-blade hoisting equipment comprises a main cross beam frame, angle adjusting mechanisms and clamps, wherein the clamps are positioned at two ends of the main cross beam frame, the angle adjusting mechanisms are positioned above the main cross beam frame and comprise a left rotating assembly, a right rotating assembly and a forward and backward rotating assembly, the left rotating assembly and the right rotating assembly comprise a rotating base and a power part I, the rotating base is positioned on the main cross beam frame and hinged with the main cross beam frame, the forward and backward rotating assembly comprises a suspension arm and a power part II, the suspension arm and the power part II are positioned on the rotating base and hinged with the rotating base, and a hinged shaft of the rotating base on the main cross beam frame is perpendicular to a hinged shaft of the suspension arm on the rotating base.

Specifically, oil cylinders are preferably selected as the first power part and the second power part, one end of each oil cylinder in the left and right rotating assemblies is hinged with the rotating base, and the other end of each oil cylinder in the left and right rotating assemblies is hinged with the main cross beam frame; one end of an oil cylinder in the forward and reverse rotating assembly is hinged with the rotating base, and the other end of the oil cylinder is hinged with the suspension arm.

Specifically, rotating basis is the shape of falling U, and rotating basis sets up along perpendicular to main beam frame length direction, and its both ends are articulated with the main beam frame respectively, the davit is A shape, and the davit bottom sets up and both ends are articulated with rotating basis respectively with rotating basis is perpendicular.

Specifically, the number of the oil cylinders hinged with the rotating base is not less than two, the oil cylinders are respectively positioned at two ends of the rotating base hinged with the main cross beam frame, and the projection of the telescopic direction of the oil cylinders on the horizontal plane is vertical to the hinged shaft of the rotating base.

Specifically, one end of an oil cylinder hinged with the suspension arm is hinged with the rotating base, the other end of the oil cylinder is hinged with one end of the suspension arm far away from the rotating base, and the projection of the telescopic direction of the oil cylinder on the horizontal plane is vertical to the hinged shaft of the suspension arm.

An angularly adjustable list blade lifting device who obtains through above-mentioned technical scheme, its beneficial effect is:

1. the full-automatic hoisting of the single wind power blade is realized, the operation is simple, and the installation cost is reduced;

2. the axial direction and radial direction of the wind power blade can be adjusted by flexibly applying the oil cylinder, and the forward and reverse rotation adjusting mechanism and the left and right adjusting mechanism have simple structures and are convenient to install;

3. tensioning of the hanging strip is achieved through stretching of the oil cylinder, the wind power blade is fixedly clamped under the matching of the self-aligning pressure arm component, the wind power blade is enabled to keep the consistency with the movement of a lifting appliance in the lifting process, and the influence of lateral wind on the wind power blade is reduced.

4. The contact friction between the hanging strip and the tip end of the wind power blade is reduced by arranging the steering assembly, and the service life of the hanging strip is prolonged.

Drawings

Fig. 1 is a schematic structural diagram of the angle-adjustable single-blade hoisting equipment disclosed by the utility model.

Fig. 2 is a schematic structural view of the angle adjustment mechanism of the present invention.

Fig. 3 is a schematic diagram of the left-direction rotation adjustment structure of the spreader.

Fig. 4 is a schematic diagram of the structure of the right-direction rotation adjustment of the spreader.

Fig. 5 is a schematic view of the forward rotation adjustment structure of the spreader.

Fig. 6 is a schematic diagram of the reverse rotation adjustment structure of the spreader.

In the figure, a main beam frame 1; an angle adjusting mechanism 2; a boom 21; a first power part 22; a rotating base 23; a second power member 24; and a clamp 3.

Detailed Description

The utility model is described in detail below with reference to the figures and specific embodiments.

The utility model provides an angle-adjustable single-blade hoisting device which comprises a main cross beam frame 1, angle adjusting mechanisms 2 and clamps 3, wherein the clamps 3 are positioned at two ends of the main cross beam frame 1 and used for clamping blades, and the angle adjusting mechanisms 2 are positioned above the main cross beam frame 1 and used for realizing radial horizontal and axial horizontal adjustment of wind power blades.

As shown in the figure, the angle adjusting mechanism 2 includes a left-right rotating assembly and a forward-reverse rotating assembly, wherein the left-right rotating assembly includes a rotating base 23 and a first power part 22 which are located on the main cross beam frame 1 and hinged to the main cross beam frame 1, the first power part 22 is used for achieving angle change of the rotating base 23 and the main cross beam frame 1, the forward-reverse rotating assembly includes a boom 21 and a second power part 24 which are located on the rotating base 23 and hinged to the rotating base 23, the second power part 24 is used for achieving angle change of the boom 21 and the rotating base 23, a lifting ring connected with a lifting device is arranged at the top of the boom 21, and it should be noted here that hinge shafts of the rotating base 23 and the boom 21 are perpendicular to each other to achieve adjustment of the left-right direction and the forward-reverse direction of the main cross beam frame 1 respectively.

In the embodiment, oil cylinders are preferably selected as the first power part 22 and the second power part 24, one end of each oil cylinder in the left-right rotating assembly is hinged to the rotating base 23, the other end of each oil cylinder is hinged to the main cross beam frame 1, when the oil cylinders stretch, the rotating bases 23 keep vertical under the action of gravity, and the main cross beam frame 1 rotates left and right under the action of the oil cylinders; one end of an oil cylinder in the forward and reverse rotation assembly is hinged to the rotating base 23, the other end of the oil cylinder is hinged to the suspension arm 21, when the oil cylinder stretches, the suspension arm 21 keeps vertical under the action of gravity, and the rotating base 23 drives the main cross beam frame 1 to rotate forward and reverse under the action of the oil cylinder.

Specifically, the rotating base 23 is in an inverted U shape, the rotating base 23 is arranged along a direction perpendicular to the length direction of the main cross beam frame 1, two ends of the rotating base 23 are respectively hinged to the main cross beam frame 1, the number of oil cylinders hinged to the rotating base 23 is not less than two, the oil cylinders are respectively located at two ends of the rotating base 23 hinged to the main cross beam frame 1, and the projection of the telescopic direction of the rotating base on the horizontal plane is perpendicular to the hinged shaft of the rotating base 23; the suspension arm 21 is A-shaped, the bottom of the suspension arm 21 is perpendicular to the rotating base 23, two ends of the suspension arm 21 are hinged to the rotating base 23 respectively, one end of an oil cylinder hinged to the suspension arm 21 is hinged to the rotating base 23, the other end of the oil cylinder is hinged to one end, far away from the rotating base 23, of the suspension arm 21, and the projection of the telescopic direction of the oil cylinder on the horizontal plane is perpendicular to the hinged shaft of the suspension arm 21.

Of course, the direction of the rotating base 23 is adjustable, the driving direction of the left and right adjusting cylinders is adjusted correspondingly, for example, the rotating base 23 is set to be consistent with the length direction of the main cross beam frame 1, the hinge shaft of the boom 21 is still perpendicular to the length direction of the rotating base 23, the rotation of the rotating base 23 can realize the forward and reverse rotation of the spreader, the rotation of the boom 21 can realize the left and right rotation of the spreader, that is, the adjusting directions of the rotating base 23 and the boom 21 to the spreader are exchanged, and the realization of the whole function of the present invention is not affected.

In other embodiments, the first power member 22 and the second power member 24 may also adopt other structures, such as a wire rope, a reel and a motor for driving the reel to rotate, and as the reel rotates, the length of the wire rope between the main beam frame 1 and the rotating base 23, and between the rotating base 23 and the boom 21 changes, which in turn causes an angle change, thereby realizing radial and axial adjustment of the blade.

The main cross beam frame 1 is provided with a sensor for feeding back the angle state of the main cross beam frame in real time, and the sensor is electrically connected with a control system for controlling the first power part 22 and the second power part 24 to form a complete closed loop, so that the angle of the main cross beam frame 1 can be adjusted.

In the hoisting process, when the axis of the blade needs to be adjusted to pitch so as to align with a bolt hole on a hub, a cylinder in the forward and reverse adjustment assembly applies force to one side of the rotating base 23, and the main cross beam frame 1 rotates along with the rotating base 23 at a certain angle to drive the blade to rotate in the radial direction; when the axis of the blade needs to be adjusted to be parallel to the hub, the oil cylinder in the left and right adjusting assembly applies force to one side of the main cross beam frame 1, and the main cross beam frame 1 drives the blade to rotate in the axial direction.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Claims

1. The utility model provides an adjustable single blade lifting device of angle, its characterized in that, includes main crossbeam frame, angle adjustment mechanism and anchor clamps, anchor clamps are located main crossbeam frame both ends angle adjustment mechanism is located main crossbeam frame top, including left right rotation subassembly and positive and negative rotation subassembly, wherein left right rotation subassembly including be located main crossbeam frame with main crossbeam frame articulated rotating basis and power part one, positive and negative rotation subassembly including be located rotating basis on and with rotating basis articulated davit and power part two, the articulated shaft of rotating basis on main crossbeam frame and the articulated shaft mutually perpendicular of davit on rotating basis.

2. The single-blade hoisting equipment with the adjustable angle of claim 1, wherein the first power part and the second power part are preferably oil cylinders, one end of each oil cylinder in the left-right rotating assembly is hinged with the rotating base, and the other end of each oil cylinder in the left-right rotating assembly is hinged with the main cross beam frame; one end of an oil cylinder in the forward and reverse rotating assembly is hinged with the rotating base, and the other end of the oil cylinder is hinged with the suspension arm.

3. The adjustable angle single blade hoisting device of claim 2, wherein the rotating base is in an inverted U shape, the rotating base is arranged along a direction perpendicular to the length direction of the main beam frame, two ends of the rotating base are respectively hinged with the main beam frame, the suspension arm is in an a shape, the bottom of the suspension arm is arranged perpendicular to the rotating base, and two ends of the suspension arm are respectively hinged with the rotating base.

4. The single-blade hoisting equipment with the adjustable angle as claimed in claim 3, wherein the number of the oil cylinders hinged to the rotating base is not less than two, the oil cylinders are respectively arranged at two ends of the rotating base hinged to the main cross beam, and the projection of the telescopic direction on the horizontal plane is vertical to the hinged shaft of the rotating base.

5. The adjustable-angle single-blade hoisting device as claimed in claim 3, wherein one end of the oil cylinder hinged to the boom is hinged to the rotating base, the other end of the oil cylinder is hinged to one end of the boom far away from the rotating base, and the projection of the telescopic direction of the oil cylinder on the horizontal plane is perpendicular to the hinged shaft of the boom.