CN109466867B

CN109466867B - Blade transporting and storing support and blade transporting and storing method

Info

Publication number: CN109466867B
Application number: CN201811375668.9A
Authority: CN
Inventors: 滕华灯; 葛中原; 张金钟; 张竹
Original assignee: Jiangsu Goldwind Science and Technology Co Ltd
Current assignee: Jiangsu Goldwind Science and Technology Co Ltd
Priority date: 2018-11-19
Filing date: 2018-11-19
Publication date: 2021-02-02
Anticipated expiration: 2038-11-19
Also published as: CN109466867A

Abstract

The invention relates to a blade transporting and storing support and a blade transporting and storing support method, which are used for transporting and storing blades with double-headed connecting bolts, wherein the double-headed connecting bolts are used for connecting the blades and a hub, the blade transporting and storing support comprises a bottom platform, two sides of the bottom platform are provided with vertical rods, the vertical rods are provided with movable transverse baffle plates, the movable transverse baffle plates are provided with clamping grooves used for being inserted between connecting bolt gaps, the bottom platform is also provided with detachable vertical plates, and the vertical plates are provided with clamping grooves used for being inserted between the connecting bolt gaps. The invention can install all connecting bolts in advance before the blade leaves factory for transportation, avoids the complex working procedures when the blade is hoisted and taken out from the blade transporting and storing bracket and the possible condition of personnel or equipment damage, reduces the time for separating the blade from the blade transporting and storing bracket and improves the hoisting operation efficiency.

Description

Blade transporting and storing support and blade transporting and storing method

Technical Field

The invention relates to the technical field of wind power, in particular to a blade transportation and storage support and a blade transportation and storage method.

Background

The basic function of the blade transportation support is to meet the requirement of single transportation functionality, but future blade transportation supports, particularly offshore projects, need to meet the requirements of offshore transportation and installation convenience, and also need to meet the requirement of multilayer stacking.

Traditional blade transportation all is the non-blade connecting bolt who utilizes, makes the blade fix on the support, transports like this, neither can leave the factory at the blade before the bolt is installed in advance, also causes the blade root to damage easily, still because the dismouting is wasted time and energy, is unfavorable for marine operation.

The blade transportation support of the offshore project needs to go through a plurality of steps when the blade is taken out of the support, the installation of a blade bolt is inconvenient, the lifting and the transferring of the blade support are inconvenient, the risk in the separation process of the blade and the support can only be avoided by depending on the proficiency degree in operation and the careful degree in operation, and the operation risk cannot be avoided from the structural improvement of the blade support.

When the blades of the wind generating set are installed, the blades need to be connected with a hub through double-headed connecting bolts, and the existing blade transportation support is characterized in that a support flange hole is connected with a bolt hole of each blade through a long bolt, so that the blades and the support are fixed together. Before the blade leaves a factory, because a good transportation support is not available before, the double-headed connecting bolts can be installed only after the blade is transported to the site, and one blade needs to be provided with about 150 double-headed connecting bolts, the length of the double-headed connecting bolts of the blade is about 500-600mm, so that the installation and the disassembly are troublesome, time and labor are wasted, and the installation of the double-headed connecting bolts at the high position of the blade needs to climb a ladder to assist workers, which can prolong the construction period for site installation personnel and has higher installation requirements for site operators. When the blade hoists, need separate blade and blade transportation support, the form of current blade transportation support needs earlier to dismantle the long bolt, installs the connecting bolt of the double-end of blade itself again, need earlier to remove to keeping away from blade transportation support translation with the blade before lifting by crane, later lifts by crane again, prevents that bolt and blade transportation support from colliding with, and technology is very complicated.

The existing transportation support cannot meet the convenience of separation of the blade and the support under the condition of meeting the stacking function, cannot meet the offshore blade installation process of blade bolts installed in advance, and is not beneficial to reducing the offshore operation time.

Disclosure of Invention

The invention provides a blade transporting and storing bracket and a blade transporting and storing method capable of solving the problems, all stud connecting bolts can be installed in advance before the blades are delivered, the complex process of hoisting and taking out the blades from the blade transporting and storing bracket and the condition of possible personnel or equipment damage are avoided, the time for separating the blades from the bracket is shortened, and the hoisting operation efficiency is improved.

The invention provides a blade transporting and storing support which is used for transporting and storing blades with double-headed connecting bolts, wherein the double-headed connecting bolts (15) are used for connecting the blades (17) and a hub and comprise a bottom platform, vertical rods are arranged on two sides of the bottom platform, movable transverse baffles are arranged on the vertical rods, clamping grooves used for being inserted between gaps of the double-headed connecting bolts are formed in the movable transverse baffles, detachable vertical plates are further arranged on the bottom platform, and clamping grooves used for being inserted between the gaps of the double-headed connecting bolts are formed in the vertical plates. The problem of the stud connecting bolt of blade can not all install the transportation of leaving the factory again when leaving the factory is solved.

Preferably, one end of the movable transverse baffle is provided with a strip-shaped hole, and the other end of the movable transverse baffle is provided with the clamping groove. Because the movable transverse baffle is provided with the strip-shaped hole, when the nut of the bolt on the fixed movable transverse baffle is loosened, the movable transverse baffle can transversely slide.

Preferably, the upright stanchions are provided with bolt holes with different heights, and the movable transverse baffle plate passes through the strip-shaped holes and the bolt holes through long bolts and is fixed on the upright stanchions. The structure can be well suitable for blades with different diameters.

Preferably, said riser is bolted to said bottom platform. After the blades are placed in the blade transport and storage rack, the vertical plates are mounted on the bottom platform by bolts.

Preferably, two opposite inner sides of the uprights and the upper surface of the bottom platform are provided with elastic rubber strips. The elastic rubber strip can play a role in buffering the blades in the transportation process on one hand, and can also adapt to the blades with different diameters on the other hand.

Preferably, a root conformal support surface is arranged between the bottom platform and the upright. The blade root is set into the arcwall face along with shape holding surface, or the internal surface sets up elastic rubber strip, provides stable bracing face for the blade.

In a preferred embodiment, the upper end of the upright is provided with a stacking connection port, and the lower end of the upright is provided with a bottom connection port matched with the stacking connection port. The device ensures that the blade transporting and storing supports can be stacked when two or more blades need to be transported simultaneously.

Preferably, the blade transporting and storing support is further provided with connecting bolt protection brackets at both sides thereof. When the external object is impacted and collided, the double-headed connecting bolt of the blade root can be effectively protected from being damaged.

Preferably, the upright comprises an upper upright and a lower upright, the lower upright is fixed on the bottom platform, and the upper upright is detachably mounted on the lower upright. This allows for different diameter blades.

In a preferred embodiment, a cushion pad is arranged on the clamping groove.

The invention also provides a blade transportation and storage method, which comprises the following steps:

providing the blade with the stud attachment bolts installed;

placing said blades in a blade transport and storage rack as described above;

mounting the riser on the bottom platform; enabling the clamping groove of the vertical plate to be positioned between the gaps of the double-headed connecting bolts;

transversely moving the movable transverse baffle plate to a position where the clamping groove of the movable transverse baffle plate enters a gap between the double-headed connecting bolts, and locking the position of the movable transverse baffle plate;

and the double-end connecting bolt adjacent to the clamping groove of the movable transverse baffle is provided with a limiting nut.

The problem of the transportation that leaves the factory after can not all install when leaving the factory of blade stud connecting bolt is solved, the high and complicated process of technological requirement when having saved the blade and having hoisted from the support and take out has avoided the damage of personnel and equipment.

In a preferred embodiment, the method comprises: and the double-end connecting bolt is provided with a connecting bolt protective sleeve adjacent to the clamping groove. The connecting bolt protective sleeve can prevent the double-headed connecting bolt from being collided by the clamping groove to cause damage.

The blade transporting and storing support and the blade transporting and storing method provided by the invention solve the problem that the double-headed connecting bolt of the blade cannot be completely installed before being transported out of a factory when the double-headed connecting bolt leaves the factory, reduce the time for separating the blade from the support, improve the hoisting operation efficiency and structurally avoid the risk of damage to personnel and equipment during operation. The invention can simplify the mode of separating the blade from the bracket, and when the connecting piece of the blade and the blade transporting and storing bracket is removed, the hoisting crane can directly hoist the blade and the blade transporting and storing bracket without translation, thus realizing the separation of the blade and the blade transporting and storing bracket.

Drawings

Features, advantages and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

wherein:

1-stacking connection ports; 2-binding anchor points; 3-erecting a rod; 4-a connecting means; 5-a movable transverse baffle; 6-long bolt; 7-horizontal baffle handle; 8-lower upright stanchion; 9-connecting bolt protecting frame; 10-personnel standing work platform; 11-a vertical plate; 12-forklift aperture; 13-personnel operation standing platform guardrail; 14-a root profile bearing surface; 15-stud connecting bolt; 16-a bottom platform; 17-blade (root); 18-a card slot; 19-bottom connection port.

In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.

Detailed Description

Features and exemplary embodiments of various aspects of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention. In the drawings and the following description, at least some well-known structures and techniques have not been shown in detail in order to avoid unnecessarily obscuring the present invention; also, the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

The following description is given with the directional terms as they are used in the drawings and is not intended to limit the specific embodiments of the support assembly, the assembly tool and the assembly method of the present invention. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as either a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.

Fig. 1 shows a schematic structural diagram of an embodiment of the present invention. The invention provides a blade transport and storage rack for transporting and storing blades 17 with all stud bolts 15, in which only the root part of the blade is shown, and the whole blade is not shown.

The invention provides a blade transporting and storing support which comprises a bottom platform 16, wherein vertical rods are arranged on two sides of the bottom platform 16, movable transverse baffles 5 are arranged on the vertical rods, each movable transverse baffle 5 is provided with a clamping groove 18 used for being inserted between the gaps of double-headed connecting bolts 15 of a blade 17, a detachable vertical plate 11 is further arranged on the bottom platform 16, and each vertical plate 11 is provided with a clamping groove 18 used for being inserted between the gaps of the double-headed connecting bolts 15 of the blade 17. Before blade 17 did not hoist and mount blade transportation and storage support, activity horizontal baffle 5 removed the outside of blade transportation and storage support, and riser board 11 is installed on bottom platform 16 temporarily not, reserves the space that the blade was placed, when the blade 17 of having installed whole stud connecting bolt 15 hoists on blade transportation and storage support, with activity horizontal baffle 5 lateral shifting to the inboard of blade transportation and storage support until draw-in groove 18 passes between the clearance of stud connecting bolt 15. The riser 11 is bolted to the bottom platform 16 such that the slot 18 in the riser 11 passes between the gap in the stud 15. The freedom degree of the vane is limited by the movable transverse baffle 5 and the clamping groove 18 of the vertical plate 11. The clamping groove 18 is provided with a buffer pad to prevent the stud connecting bolt 15 from being damaged by collision in the transportation process. It is of course possible to provide a protective sleeve for the stud bolts 15 after all the stud bolts 15 have been mounted on the blade 17, which double protects the stud bolts 15.

The blade transportation and storage support provided by the invention solves the problem that the blade double-headed connecting bolt cannot be completely installed before delivery and then delivered, reduces the time for separating the blade from the support, improves the hoisting operation efficiency, and avoids the damage of personnel and equipment.

Preferably, 5 one ends of activity horizontal baffle are equipped with the bar hole, and the other end is equipped with the draw-in groove. The vertical rod is provided with bolt holes with different heights, and the movable transverse baffle 5 passes through the strip-shaped holes and the bolt holes through the long bolts 6 to be fixed on the vertical rod. The position of the movable cross stop 5 needs to be adjusted by the cooperation between the long bolt 6 and the lock nut. The length of the long bolt 6 here is between 50mm and 100 mm. The slotted hole is preferably closed, which limits the displacement of the bolt. The strip-shaped holes in the movable transverse baffle 5 can be set to be two or more than two, so that when one of the locking nuts is prevented from loosening, the movable transverse baffle 5 rocks and collides with the double-headed connecting bolt 15. The movable transverse baffle 5 is also provided with a transverse baffle handle 7, and the transverse baffle handle 7 can be used for fast moving when the movable transverse baffle 5 is moved.

Preferably, the riser 11 is bolted to the bottom platform 16. The bolt here is a conventional bolt, and is between 20mm and 50mm in length. The upright 11 is detached from the bottom platform 6 before the blade 17 is placed in the blade transport and storage rack, and the upright 11 is then mounted on the bottom platform 16 after the blade 17 is placed in the blade transport and storage rack.

Preferably, the opposite inner sides of the two uprights and the upper surface of the bottom platform 16 are provided with elastic glue strips. The elastic rubber strip can play a role in buffering the blades 17 in the transportation process on one hand, and can also adapt to the blades 17 with different diameters on the other hand. The blade 17 diameter of different models is different, when the blade hoist and mount that the diameter is little, needs elastic adhesive tape thickening some to make blade and elastic adhesive tape laminating. When the blade with a large diameter is hoisted, the elastic rubber strip is thinner to leave enough space for the blade 17 to be put on the blade transportation and storage bracket. Of course, in order to accommodate different types of blades, it is also possible to choose to make the uprights movable on the bottom platform 16, so that the distance between the two uprights can be set according to the diameter of the blade to be transported in practice. Or one pole may be fixed to the bottom platform 16 and the other pole may be movable on the bottom platform 16. During specific hoisting, before the blade 17 is hoisted to the blade transportation and storage support, the distance between the two vertical rods is adjusted to be larger than the diameter of the blade 17, enough space is reserved, hoisting is convenient, and after the blade 17 is hoisted to the blade transportation and storage support, the distance between the two vertical rods is adjusted again, so that the two vertical rods are tightly attached to the blade 17.

Preferably, the outside of pole setting still is equipped with ligature anchor point 2, sets up two ligature anchor points 2 on every pole setting, when land transportation or marine transportation, links together ligature anchor point 2 through the rope with the fixed point, and the fixed point is on the haulage vehicle when land transportation, and the fixed point is selected on the deck of haulage ship when marine transportation.

Preferably, a root conformal support surface 14 is provided between the bottom platform 16 and the upright. The blade root conformal supporting surface 14 is arranged to be an arc-shaped surface, or an elastic rubber strip is arranged on the inner surface of the blade root conformal supporting surface, so that a stable inclined supporting surface is provided for the blade.

Preferably, the upper end of the upright is provided with a stacking connection port 1 and the lower end of the upright has a bottom connection port 19 matching the stacking connection port 1. This is a device that ensures that the blade transport and storage racks can be stacked when two or more blades 17 need to be transported simultaneously. The stacked connecting ports 1 and the bottom connecting port 19 are connected by bolts or in a clamping and tenon-and-mortise structure, so long as stable connection can be realized. The stacking connecting port 1 can be provided with bolt holes for connection, the bolt holes also play a role of lifting points, when the blade is moved to transport and store the bracket, the stacking connecting port 1 is provided with a shackle and a hanging strip, and the blade and the bracket are lifted or transported backwards by using a crane.

Preferably, the blade transport and storage rack is also provided with attachment bolt protection brackets 9 on both sides. When the external object is impacted and collided, the double-headed connecting bolt 15 of the blade root can be effectively protected from being damaged. The connecting bolt protection frame 9 can be made into a ladder stand form, the connecting bolt protection frame 9 can be specifically arranged on the bottom platform 16, and the side face of the connecting bolt protection frame 9 is connected with the vertical rod or is integrally formed. Like this can protect stud connecting bolt 15 not to damage in the transportation, when needs operation, personnel can go up blade 17 through the cat ladder of connecting bolt fender bracket 9, carries out the installation of hanging or the shackle of suspender, does not need outside cat ladder or the car of ascending a height, reduces cost raise efficiency, prevents simultaneously that outside cat ladder from too high causing the risk.

Preferably, a personnel standing work platform 10 is also arranged on the bottom platform 16; the personnel operation platform guardrail 13 that stands is provided with on the personnel operation platform 10 that stands, when the staff need paint solid lubricating grease at the blade root, the staff can enter into personnel operation platform 10 that stands, and the personnel are stood and are worked on operation platform 10, and the safety when personnel operation platform guardrail 13 that stands can effectual protection personnel operation. The personnel operation platform 10 and the personnel operation platform guardrail 13 can also protect the stud connecting bolt 15 of the blade root, and when the external object is impacted and collided, the stud connecting bolt 15 of the blade root can be effectively protected from being damaged.

Preferably, the bottom platform 16 is further provided with a forklift hole 12 at the bottom, when the blade is required to be moved for transporting and storing the bracket, the bracket is transferred by using a forklift, and the bracket can also be hoisted by using a hoisting point of a vertical rod. The platform can be also provided with a temporary storage box, so that small connecting pieces such as bolts and nuts, mounting tools, wrenches, screwdrivers and the like can be accommodated in the temporary storage box, and the blade is very convenient to use during transportation and hoisting.

Preferably, the uprights include an upper upright 3 and a lower upright 8, the lower upright 8 being fixed to a bottom platform 16, the upper upright 3 being removably mounted on the lower upright 8. The upper upright 3 and the lower upright 8 are fixed together by a connecting device 4. Such a construction can accommodate blades of different diameters and allows the use of longer upper uprights 3 when lifting large diameter blades 17.

The invention also provides a method for transporting and storing the blades, which comprises the following steps:

providing a blade 17 fitted with stud bolts 15;

placing the blades 17 in the above-mentioned blade transport and storage rack;

mounting the riser 11 on the bottom platform 16; the clamping groove 18 of the vertical plate 11 is positioned between the gaps of the double-headed connecting bolts 15;

transversely moving the movable transverse baffle 5 until the clamping groove 18 of the movable transverse baffle 5 enters the gap between the double-headed connecting bolts 15, and locking the position of the movable transverse baffle 5;

and a limit nut is arranged on the stud connecting bolt 15 adjacent to the clamping groove 18 of the movable transverse baffle 5.

The above steps may be interchanged, for example: the movable transverse baffle 5 can be moved transversely until the clamping groove 18 of the movable transverse baffle 5 enters the gap between the double-headed connecting bolts 15, and the position of the movable transverse baffle 5 is locked. Then the vertical plate 11 is arranged on the bottom platform 16; the catching groove 18 of the standing plate 11 is located between the gaps of the stud bolts 15.

The movable transverse baffle 5 and the limiting nut are used for limiting the transverse movement and the vertical movement of the blades, and the vertical plate 11 is used for limiting the radial movement of the blades. The invention solves the problem that the double-headed connecting bolts 15 of the blades 17 can not be completely installed before delivery and then delivered for transportation, and improves the efficiency of field operation.

In a preferred embodiment, the method comprises: the stud connecting bolt 15 adjacent to the slot 18 is provided with a connecting bolt protecting sleeve. The connecting bolt protective sleeve can prevent the connecting bolt from being damaged due to collision of the clamping groove 18. Further, all the stud bolts 15 are fitted with a protective cover after being fitted to the blade 17.

When the blade is hoisted and taken out from the blade transportation and storage support, the sleeve and the nut which are installed on the stud connecting bolt 15 of the blade 17 are disassembled, the movable transverse baffle plate 5 slides to one side far away from the stud connecting bolt 15, the vertical plate 11 is disassembled from the bottom platform 16, the blade can be directly hoisted without translating the blade out of the support, and the blade can be prevented from colliding in the hoisting process. The invention omits the complex process with high process requirement when the blade is hoisted and taken out from the blade transportation and storage bracket, can reduce the time for separating the blade from the bracket, improves the hoisting operation efficiency and avoids the damage of personnel and equipment.

The blade transporting and storing support and the blade transporting and storing method provided by the invention solve the problem that the blade double-headed connecting bolt cannot be completely installed before delivery and then delivered, reduce the time for separating the blade from the support, improve the hoisting operation efficiency and avoid the damage of personnel and equipment. The invention can simplify the separation mode of the blade and the blade transportation and storage bracket, and when the connecting piece of the blade and the blade transportation and storage bracket is detached, the lifting crane can realize the separation of the blade and the blade transportation and storage bracket by directly lifting the blade without translating the blade.

While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A blade transportation and storage support is used for transporting and storing blades (17) with double-end connecting bolts (15), wherein the double-end connecting bolts (15) are used for connecting the blades (17) and a hub, and is characterized by comprising a bottom platform (16), vertical rods are arranged on two sides of the bottom platform (16), movable transverse baffles (5) are arranged on the vertical rods, clamping grooves (18) used for being inserted between gaps of the double-end connecting bolts (15) are formed in the movable transverse baffles (5), detachable vertical plates (11) are further arranged on the bottom platform (16), the vertical plates (11) are provided with clamping grooves (18) used for being inserted between the gaps of the double-end connecting bolts (15),

wherein one end of the movable transverse baffle (5) is provided with a strip-shaped hole, the other end is provided with the clamping groove (18), and

wherein the upright is movable on the bottom platform (16).

2. Blade transportation and storage bracket according to claim 1, characterized in that the uprights are provided with bolt holes of different heights, and the mobile crosspiece (5) is fixed to the uprights by means of long bolts (6) passing through the strip-shaped holes and the bolt holes.

3. Blade transportation and storage rack according to claim 1, characterized in that the riser (11) is bolted to the bottom platform (16).

4. Blade transportation and storage rack according to claim 1, characterized in that the two opposite inner sides of the uprights and the upper surface of the bottom platform (16) are provided with elastic glue strips.

5. Blade transportation and storage rack according to claim 1, characterized in that a blade root conformal support surface (14) is arranged between the bottom platform (16) and the upright.

6. Blade transportation and storage rack according to claim 1, characterized in that the upper end of the uprights is provided with a stacking connection port (1) and the lower end of the uprights has a bottom connection port (19) matching the stacking connection port (1).

7. Blade transportation and storage bracket according to claim 1, characterized in that the blade transportation and storage bracket is further provided with connection bolt protection brackets (9) on both sides.

8. Blade transportation and storage rack according to claim 1, characterized in that the uprights comprise an upper upright (3) and a lower upright (8), the lower upright (8) being fixed to the bottom platform (16), the upper upright (3) being detachably mounted on the lower upright (8).

9. Blade transportation and storage rack according to claim 1, characterized in that said slots (18) are provided with a cushioning.

10. A method of blade transportation and storage, the method comprising:

providing a blade (17) mounted with a stud connection bolt (15);

-placing the blade (17) in a blade transport and storage rack according to any of claims 1 to 9;

-mounting said riser (11) on said bottom platform (16); the clamping grooves (18) of the vertical plates (11) are positioned between the gaps of the double-headed connecting bolts (15);

transversely moving the movable transverse baffle (5) to a position where the clamping groove (18) of the movable transverse baffle (5) enters the gap of the double-headed connecting bolt (15) and locking the movable transverse baffle (5);

and the double-head connecting bolt (15) adjacent to the clamping groove (18) of the movable transverse baffle (5) is provided with a limiting nut.

11. The blade transportation and storage method of claim 10, wherein the method comprises:

and a connecting bolt protective sleeve is arranged on the double-head connecting bolt (15) adjacent to the clamping groove (18).