CN210313103U

CN210313103U - Automatic unhooking hanging beam

Info

Publication number: CN210313103U
Application number: CN201920555474.0U
Authority: CN
Inventors: 陈小飞; 李飞; 周锋
Original assignee: Jiangsu Hengtong Lande Marine Engineering Co Ltd
Current assignee: Jiangsu Hengtong Lande Marine Engineering Co Ltd
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-04-14
Anticipated expiration: 2029-04-23

Abstract

The utility model discloses an automatic unhooking hanging beam, which comprises a middle section, two side sections, an automatic unhooking device and a lifting device, wherein the side sections are arranged on two sides of the middle section, the automatic unhooking device is arranged at one end part of the bottom of the side sections, the lifting device is arranged at the other end part of the bottom of the side sections, the middle section comprises three first beams and three first inclined supports, the first beams are welded and connected into a whole, the section of the middle section is of a triangular structure, the end parts of the three first beams are all fixedly provided with flanges, the side sections comprise second beams and second inclined supports, the number of the second beams is three, the second beams and the second inclined supports are welded and connected into a whole, end lifting lugs are welded on the outer wall of the second beams, supporting seats are welded at the bottom of the side sections, the section of the side sections are of a triangular structure, the middle section and the side sections are connected through the flanges, the utility model discloses structural design is novel, can accomplish automatic unhook, high-efficient, convenient and safety through the motor.

Description

Automatic unhooking hanging beam

Technical Field

The invention relates to the technical field of wind power installation, in particular to an automatic unhooking hanging beam.

Background

Wind power generation refers to converting kinetic energy of wind into electric energy. Wind is an energy source without public nuisance, the wind power generation is very environment-friendly, and the generated electric energy is very huge, so that more and more countries pay more attention to the wind power generation. At present, with the rapid development of domestic offshore wind power generation, the installed capacity of a single offshore wind power generation is continuously increased, so that the length of a blade is longer and longer.

When domestic wind power is installed, the ultra-long blade needs to be hoisted through the hoisting beam. When the blade hub assembly is carried out on the deck of the work vessel, the slings of the blades at the blade tips after the blade has been mounted in place are outboard, often due to the limitations of the size of the work vessel. This often requires an artificial unhooking. Brings great inconvenience to the construction and brings certain risks to the safety of operators.

Disclosure of Invention

The invention aims to provide an automatic unhooking hanging beam to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an automatic unhooking hanging beam comprises a middle section, two side sections, an automatic unhooking device and a lifting device, wherein the side sections are arranged on two sides of the middle section, the automatic unhooking device is arranged at one end of the bottom of the side sections, the lifting device is arranged at the other end of the bottom of the side sections, the middle section comprises three first cross beams and three first inclined supports, the first cross beams and the first inclined supports are welded and connected into a whole, the section of the middle section is of a triangular structure, flanges are fixedly arranged at the ends of the three first cross beams, the side sections comprise second cross beams and second inclined supports, the second cross beams are three, the second cross beams and the second inclined supports are welded and connected into a whole, end lifting lugs are welded on the outer wall of the second cross beams, and supporting seats are welded at the bottom of the side sections, the cross section of the side section is of a triangular structure, and the middle section and the side section are fixedly connected through flanges.

Preferably, the automatic unhooking device comprises a base, a bearing seat, a pin shaft, a threaded rod and a motor, wherein the base, the bearing seat and the second cross beam at the bottom are connected in a welding mode, the pin shaft is installed on the bearing seat, the threaded rod is connected with the pin shaft through a bolt, the motor is installed on the base, and the motor drives the threaded rod to rotate through gear meshing.

Preferably, a limiting block is arranged at one end, close to the pin shaft, of the threaded rod, and a limiting plate is arranged at one end of the bearing seat.

Preferably, the lifting device consists of an electric hoist and a base, the electric hoist is mounted on the base, and the base is welded with the end part of the second cross beam.

Preferably, the flange comprises a flange body; the flange body is provided with a male flange and a female flange, one side end of the male flange is provided with a sleeve connector, the inner end of the female flange is provided with a sealing rubber sleeve, a bolt fastener is arranged between the male flange and the female flange, and one end of the male flange and one end of the female flange are provided with a beam connector.

Compared with the prior art, the invention has the beneficial effects that:

(1) the invention has novel structural design and good stability, can finish automatic unhooking through the motor, and is efficient, convenient and safe.

(2) The limiting blocks and the limiting plates ensure the stability of the pin shaft in movement; for blades with different lengths, the position of the automatic locking device does not need to be modified, and only the length of the middle section needs to be modified.

(3) The lifting device is used for adjusting the angle in the fan blade installation process, and is efficient and convenient.

(4) The flange is convenient to mount and dismount, the flange connection structure is stable and strong, the flange is not easy to fall off, the service life is long, and the connection stability between the cross beams can be improved.

Drawings

FIG. 1 is a schematic view of an automatic unhooking apparatus according to the present invention;

FIG. 2 is a schematic view of a partial segment structure according to the present invention;

FIG. 3 is a side sectional structural view of the present invention;

FIG. 4 is a schematic view of a lifting device according to the present invention;

fig. 5 is a schematic view of the flange structure of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution: an automatic unhooking hanging beam comprises a middle section 1, two side sections 2, an automatic unhooking device and a lifting device, wherein the side sections 2 are arranged on two sides of the middle section 1, the automatic unhooking device is arranged at one end part of the bottom of each side section 2, the lifting device is arranged at the other end part of the bottom of each side section 2, the middle section 1 comprises three first cross beams 3 and three first inclined supports 4, the first cross beams 3 are welded and connected into a whole with the first inclined supports 4, the cross section of the middle section 1 is of a triangular structure, flanges 5 are fixedly arranged at the end parts of the three first cross beams 3, each side section 2 comprises three second cross beams 6 and two second inclined supports 7, the second cross beams 6 are welded and connected into a whole with the second inclined supports 7, end lifting lugs 8 are welded on the outer wall of each second cross beam 6, the bottom of the side section 2 is welded with a supporting seat 9, the section of the side section 2 is of a triangular structure, and the middle section 1 and the side section 2 are fixedly connected through a flange 5.

The automatic unhooking device comprises a base 10, a bearing seat 11, a pin shaft 12, a threaded rod 13 and a motor 14, wherein the base 10 and the bearing seat 11 are connected with a second cross beam 6 at the bottom in a welding mode, the pin shaft 12 is installed on the bearing seat 11, the threaded rod 13 is connected with the pin shaft 12 through a bolt, the motor 14 is installed on the base 10, and the motor 14 drives the threaded rod 13 to rotate through gear engagement; one end of the threaded rod 13, which is close to the pin shaft 12, is provided with a limiting block 15, and one end of the bearing seat 11 is provided with a limiting plate 16. The limiting blocks and the limiting plates ensure the stability of the pin shaft in movement; for blades with different lengths, the position of the automatic locking device does not need to be modified, and only the length of the middle section needs to be modified.

In the invention, the lifting device consists of an electric hoist 24 and a base 25, wherein the electric hoist 24 is arranged on the base 25, and the base 25 is welded with the end part of the second cross beam. The lifting adjusting device is used for adjusting the angle in the fan blade installation process, and is efficient and convenient.

In the present invention, the flange 5 includes a flange body 17; the flange comprises a flange body 17 and is characterized in that a male flange 18 and a female flange 19 are arranged on the flange body 17, a sleeve connecting joint 20 is arranged at one side end of the male flange 18, a sealing rubber sleeve 21 is arranged at the inner end of the female flange 19, a bolt fastener 22 is arranged between the male flange 18 and the female flange 19, and a beam connecting body 23 is arranged at one end of the male flange 18 and one end of the female flange 19. The flange is convenient to mount and dismount, the flange connection structure is stable and strong, the flange is not easy to fall off, the service life is long, and the connection stability between the cross beams can be improved.

Firstly, fixedly connecting a middle section and a side section through flanges, and arranging an automatic unhooking device at the bottom end part of the side section; the automatic unhooking device is characterized in that a pin shaft is arranged on a bearing seat, a threaded rod is connected with the pin shaft through a bolt, and a motor is arranged on a base and drives the threaded rod to rotate through gear engagement; thereby forming axial movement and completing the back-and-forth movement of the pin shaft, thereby completing the release of the sling. The limiting block arranged at one end of the threaded rod close to the pin shaft ensures that one end of the pin shaft is not detached from the bearing seat when the limiting block reaches the base; after the use, the side subsection directly settles on the deck through the supporting seat arranged at the bottom.

The using method of the invention comprises the following steps:

a: preparation work before installation:

a1, prefabricating the middle part of the hanging beam according to the length and the size of the blade;

a2, assembling a hanging beam;

b: mounting the hanging strip 26:

b1, hoisting the hoisting beam to one side of the fan blade 27 from the working ship;

b2, mounting left and right hanging belts;

b3, adjusting the position of the sling, and pre-tightening the sling;

c: hoisting the fan blade:

c1, hoisting fan blades;

c2, rotating the fan blade through the left and right wind-holding ropes until the blade root of the fan blade basically reaches the hub interface;

c3, retracting and releasing the electric hoist by adjusting the lifting device, changing the angle of the fan blade, and adjusting the wind rope to align the hub of the wind impeller;

d: the fan blades are in butt joint with the hub;

e: unhooking the hanging strip:

e1, manually unthreading the sling at the inner hub end;

e2, the lateral sling is unfastened by an automatic unhooking device;

f: and hoisting the next blade.

In conclusion, the invention has novel structural design and good stability, can finish automatic unhooking through the motor, and is efficient, convenient and safe.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An automatic unhooking hanging beam, includes well subsection (1), side subsection (2), automatic unhooking device and hoisting device, its characterized in that: the number of the side sections (2) is two, the side sections (2) are arranged on two sides of the middle section (1), the automatic unhooking device is arranged at one end of the bottom of each side section (2), and the lifting device is arranged at the other end of the bottom of each side section (2); the middle section (1) comprises a first cross beam (3) and a first inclined support (4), the number of the first cross beams (3) is three, the first cross beams (3) and the first inclined supports (4) are welded and connected into a whole, the section of the middle section (1) is of a triangular structure, flanges (5) are fixedly arranged at the end parts of the three first cross beams (3), the side sections (2) comprise three second cross beams (6) and three second inclined supports (7), the number of the second cross beams (6) is three, the second cross beam (6) and the second inclined support (7) are welded and connected into a whole, end lifting lugs (8) are welded on the outer wall of the second cross beam (6), supporting seats (9) are welded at the bottoms of the side sections (2), the cross section of the side section (2) is of a triangular structure, and the middle section (1) and the side section (2) are fixedly connected through a flange (5).

2. The automatic unhooking hanging beam of claim 1, wherein: automatic unhooking device comprises base (10), bearing frame (11), round pin axle (12), threaded rod (13), motor (14), base (10), bearing frame (11) and bottom second crossbeam (6) welded connection, install on bearing frame (11) round pin axle (12), threaded rod (13) and round pin axle (12) pass through bolted connection, install on base (10) motor (14), motor (14) drive threaded rod (13) through gear engagement and rotate.

3. An automatic unhooking hanging beam according to claim 2, characterized in that: and one end of the threaded rod (13) close to the pin shaft (12) is provided with a limiting block (15), and one end of the bearing seat (11) is provided with a limiting plate (16).

4. The automatic unhooking hanging beam of claim 1, wherein: the lifting device is composed of an electric hoist (24) and a base (25), the electric hoist (24) is installed on the base (25), and the base (25) is welded with the end portion of the second cross beam.

5. The automatic unhooking hanging beam of claim 1, wherein: the flange (5) comprises a flange body (17); the flange is characterized in that a male flange (18) and a female flange (19) are arranged on the flange body (17), a sleeve connecting joint (20) is arranged at one side end of the male flange (18), a sealing rubber sleeve (21) is arranged at the inner end of the female flange (19), a bolt fastener (22) is arranged between the male flange (18) and the female flange (19), and a beam connector (23) is arranged at one end of the male flange (18) and one end of the female flange (19).