CN108730127B

CN108730127B - Tower fastening system

Info

Publication number: CN108730127B
Application number: CN201810392683.8A
Authority: CN
Inventors: 李旭成; 林伯峰; 张博钧; 许淑雯; 黄俊豪
Original assignee: Ship and Ocean Industries R&D Center
Current assignee: Ship and Ocean Industries R&D Center
Priority date: 2014-12-26
Filing date: 2014-12-26
Publication date: 2019-12-31
Anticipated expiration: 2034-12-26
Also published as: CN108730127A; CN105781902B; CN105781902A

Abstract

The invention provides a tower fastening system which can be applied to fastening of a wind turbine tower so as to be convenient for carrying of technicians.

Description

Tower fastening system

The present application is a divisional application of a tower fastening system and a method of operating the same (application number: 2014108262680).

[ technical field ] A method for producing a semiconductor device

The invention relates to a tower fastening system, in particular to a tower fastening system for fastening a wind turbine tower by driving a plurality of clamping heads with guide angles through hydraulic actuation.

[ background of the invention ]

With the increasing growth of offshore wind power generators, the related technology around the offshore wind power generators is also becoming more important, and the fastening of wind power generator towers is an important study.

In order to smoothly transport the tower of the wind turbine to the offshore platform for installation, it is important to have a tower fastening system capable of fastening the tower to the vehicle.

The general offshore wind driven generator is quite large in size, the circular tower is fastened in an inverted mode and is carelessly loosened, the destructive power caused by rolling and mass is not small, and the great danger of life safety of personnel is easily caused.

Moreover, even if the tower is transported to the offshore platform smoothly, the calibration and fixing work is still needed after the tower is righted, which wastes time and is easy to cause danger to personnel during the righting process.

Some developed fastening systems can fasten the tower without turning the tower upside down, but they still have the disadvantages of consuming a lot of manpower and being fastened manually by a plurality of fastening components such as screws, etc., which increases much manpower and time waste.

Accordingly, the present invention provides a tower mooring system to solve the above problems.

[ summary of the invention ]

In view of the deficiencies noted in the background, the present invention provides a tower tie down system.

The tower fastening system comprises a central column, a plurality of clamping modules and a base, wherein the clamping modules are connected with the central column, and the base is arranged around the clamping modules.

Each of the plurality of clamping modules comprises a first support frame, a hydraulic cylinder, a frame body, a plurality of chucks, a plurality of second support frames and a plurality of third support frames, wherein the hydraulic cylinder is arranged on each first support frame and is connected with the central column, the frame body is rotatably connected with the hydraulic cylinder, and the plurality of chucks are arranged on the frame body.

The plurality of second supports are arranged below the frame body, and the plurality of third supports are arranged below each of the plurality of chucks. Wherein a plurality of wheels are respectively arranged at the bottom of each third support frame and the bottom of each second support frame.

[ description of the drawings ]

FIG. 1 is a schematic view of the tower of the present invention fastened to a foundation.

FIG. 2(a) is a perspective view of the tower fastening system structure of the present invention.

FIG. 2(b) is a cross-sectional view of the tower fastening system of the present invention.

Fig. 3(a) is a schematic structural view of a clamping module of the tower fastening system of the present invention.

Fig. 3(b) -3 (c) are schematic operation diagrams of the clamping module of the tower fastening system of the present invention.

FIG. 4 is a perspective view of the structure of another embodiment of the tower fastening system of the present invention.

Fig. 5(a) is a schematic structural view of another embodiment of the clamping module of the tower fastening system of the present invention.

Fig. 5(b) -5 (c) are schematic operation diagrams of another embodiment of the clamping module of the tower fastening system of the present invention.

FIG. 6 is a schematic view of a tower tie down system clamp of the present invention.

FIG. 7 is a flow chart of a method of operation of the tower mooring system of the present invention.

[ detailed description ] embodiments

In order to understand the technical features and practical effects of the present invention and to implement the invention according to the content of the specification, the preferred embodiment as shown in the drawings is further described in detail as follows:

the present invention has two embodiments, which are described below.

Example one

Referring to fig. 1, fig. 1 is a schematic view of a tower fastened to a base according to the present invention. As shown in FIG. 1, the base of the tower T fixed by the tower fastening system of the present invention can be fastened tightly to the base 11, and in this embodiment, the base 11 is provided with four fixing members 111 for aligning the tower T when it is placed on the base 11.

In addition, in order to make the structure of the base 11 more stable, a plurality of louvers are provided around the base 11 as extra support legs to prevent the tower T and the base 11 from toppling over, and in order to allow personnel to freely enter and exit the tower fastening system for maintenance when necessary, a plurality of round windows are further provided on the base 11 as entrances and exits for the technicians.

Referring to fig. 2(a) and fig. 2(b), fig. 2(a) is a perspective view of the tower fastening system structure of the present invention; FIG. 2(b) is a cross-sectional view of the tower fastening system of the present invention. As shown in fig. 2(a), fig. 2(a) illustrates only the base of the tower T, and does not illustrate the outer wall of the tower T, in order to facilitate the description of the structure of the tower fastening system in the present embodiment.

Next, as shown in fig. 2(b), the tower fastening system in this embodiment comprises a base 1, a base 11 and a plurality of clamping modules 2, wherein the base 11 is disposed around the base 1, and the plurality of clamping modules 2 are disposed on the base 1, in this embodiment, the base 1 is disposed in eight flat plate structures in a radial manner, and therefore eight clamping modules 2 are correspondingly disposed thereon.

Referring to fig. 3(a), 3(b) and 3(c), fig. 3(a) is a schematic structural diagram of a clamping module of the tower fastening system of the present invention; fig. 3(b) -3 (c) are schematic operation diagrams of the clamping module of the tower fastening system of the present invention.

As shown in fig. 3(a), each clamping module 2 in this embodiment includes a first supporting frame 21, a hydraulic cylinder 22, a frame 23, a clamp 231, and a second supporting frame 24, wherein the first supporting frame 21 is disposed on the base 1, the hydraulic cylinder 22 is rotatably disposed on the first supporting frame 21, the frame 23 is rotatably connected to the hydraulic cylinder 22, the clamp 231 is disposed on the frame 23, and the second supporting frame 24 is connected to the base 1 and accommodates the frame 23.

The second support frame 24 is used to support the weight of the frame 23, so that the frame 23 can move back and forth freely.

The number of the clamping heads 231 illustrated in the present embodiment is two, and may be substantially three or designed according to the base of the tower T according to the requirement of the technician.

Next, the operation mode of the hydraulic cylinder 22 shown in fig. 3(b) and 3(c) is that, firstly, the hydraulic cylinder 22 is disposed on the first support frame 21, and the connection mode is connected by a rotating shaft, so that the hydraulic cylinder 22 can swing up and down with a certain amplitude to adjust the angle when fastening.

Similarly, the frame 23 is rotatably connected to the hydraulic cylinder 22, and can be finely adjusted in angle and fixed according to the fastening requirement of the technician.

When the tower fastening system is not activated, the clamping module 2 is in the state shown in fig. 3(b), and when the base of the tower T is aligned with the base 11 and placed thereon, as shown in fig. 3(c), all the hydraulic cylinders 22 are pushed outward to drive the clamping heads 231 on the frame 23 to push in, thereby clamping the base 11 and the base of the tower T.

Wherein, the chuck 231 is provided with a plurality of guiding angles 2311, so that the chuck 231 can accurately clamp the base of the tower T on the base 11 according to the shapes of the base 11 and the base of the tower T when advancing, and the fastening is completed.

In addition, in order to allow the clamping head 231 to accurately clamp the base 11 and the tower T, a plurality of wedge-shaped clamping elements 112 (refer to the clamping elements 112 dyed with gray dots in fig. 6) are disposed in the base 11 for improving the stability of the fastening.

Example two

Next, referring to fig. 4, fig. 4 is a perspective view of another embodiment of the tower fastening system of the present invention. The greatest difference between this embodiment and the embodiment is the structure with the center post 12.

First, the tower fastening system of the present embodiment includes a central column 12, a plurality of clamping modules 2 and a base 11, wherein each clamping module 2 is connected to the central column 12 through a hydraulic cylinder 22, so that the central column 12 can provide a force application point for the hydraulic cylinder, and the base 11 is disposed around the plurality of clamping modules 2.

Referring to fig. 5(a), 5(b) and 5(c), fig. 5(a) is a schematic structural diagram of another embodiment of the clamping module of the tower fastening system of the present invention; fig. 5(b) -5 (c) are schematic operation diagrams of another embodiment of the clamping module of the tower fastening system of the present invention.

As shown in fig. 5(a), the clamping module 2 includes a first support frame 21, a hydraulic cylinder 22, a frame 23, a clamp 231, a second support frame 24, and a third support frame 2312, wherein the hydraulic cylinder 22 is disposed on the first support frame 21, the hydraulic cylinder 22 is connected to the central pillar 12, the frame 23 is rotatably connected to the hydraulic cylinder 22, and a plurality of clamps 231 are disposed on the frame 23.

The number of the chucks 231 on the frame 23 may be two or three, and a plurality of guide angles 2311 may be provided thereon, and the features are the same as those described in the first embodiment, and can be adjusted by a technician according to the needs thereof.

The second supports 24 are disposed under the frame 23 for supporting the weight of the frame 23, and the third supports 2312 are disposed under each of the chucks 231 for supporting the weight of the chucks 231. In this embodiment, two wheels 25 are disposed at the bottom of each of the third support 2312 and the second support 24, so that the frame 23 can move back and forth in a fixed direction when the hydraulic cylinder 22 is actuated.

In addition, compared to the first embodiment, the base 11, the central column 12 and the first support frame 21 of the present embodiment are not necessarily implemented by the base 1, and besides the assembly can be implemented by disposing the base 1, the assembly can be connected and fixed with the ground, and the design of the technician can be considered, so that the plurality of wheels 25 can also slide on the ground or the base 1.

Similarly, the base 11 of the present embodiment may also be provided with four fixing members 111 as fixing points for placing the tower at the T-position, and for the round window and the louver boards mentioned in the first embodiment, the present embodiment may also be added according to the needs of the user.

Referring to fig. 6, fig. 6 is a schematic view of a clamping member of the tower fastening system of the present invention. The clamping elements 112 have the same function as the clamping elements 112 in the first embodiment, so that the clamping head 231 can accurately clamp the base 11 and the tower T, and the base 11 is provided with a plurality of wedge-shaped clamping elements 112.

Referring to fig. 7, fig. 7 is a flow chart of the operation method of the tower fastening system of the present invention.

As shown in fig. 7, step (a) is first performed, the base of the tower T is aligned with the plurality of fixing members 111 of the tower fastening system and placed on a base 11.

The tower T is aligned by four or more fixing members 111 provided on the base 11, the base thereof is placed on the base of the tower fastening system, and then step (b) is performed after the placement position is confirmed and is free of errors.

Step (b) is to rotate the plurality of chucks 231 in the plurality of clamping modules 2 to align the base of the tower T and the base 11. Step (b) is the height and angle adjustment in the clamping module 2, and more precisely, since the first supporting frame 21, the hydraulic cylinder 22 and the frame body 23 are rotatably connected to each other in the first embodiment, and the hydraulic cylinder 22 and the frame body 23 are rotatably connected to each other in the second embodiment, the technician can adjust and correct the required fastening angle and height.

After the clamping modules 2 are adjusted and fixed, step (c) may be performed, and one hydraulic cylinder 22 in each of the clamping modules 2 is actuated to move the plurality of clamping heads 231 forward. As in the mechanism of fig. 3(b) -3 (c) and 5(b) -5 (c), the carriage 23 is advanced by the hydraulic cylinder 22 so that the clamp 231 secures the bottom of the tower T, the clamp 112 and the base 11 as in fig. 6.

Referring to step (c), the clamping heads 231 can be engaged with the base 1 and the foundation 11 of the tower T through the guiding angles 2311 disposed thereon as described above, and in step (c), the hydraulic cylinder 22 is further actuated through the center post 12 as a force application point, and the last step, step (d), is performed by pushing the frame 23 carrying the clamping heads 231, so as to fasten the tower T to the foundation 11, thereby completing the operation method of the tower fastening system of the present invention.

The tower fastening system and the operation method thereof can be realized in a remote control mode, so that technicians can avoid dangerous places to operate during actual operation, and the semi-automatic fastening mechanism accelerates the fastening and releasing speed of the tower T and enables the offshore wind driven generator to be more efficient during construction.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents.

[ notation ] to show

1 base

11 base

111 fixing piece

112 clamping piece

12 center post

2 clamping module

21 first support frame

22 hydraulic cylinder

23 frame body

231 chuck

2311 lead angle

2312A third supporting frame

24 second support frame

25 wheel

T-shaped tower

(a) Step (d) to step (d)

Claims

1. A tower tie down system, comprising:

a central post;

a plurality of clamping modules connected to the central column, wherein each clamping module comprises:

a first support frame;

the hydraulic cylinder is arranged on the first support frame and is connected with the central column;

the frame body is rotatably connected with the hydraulic cylinder;

the plurality of chucks are arranged on the frame body;

the second support frames are arranged below the frame body;

a plurality of third supporting frames arranged below each clamping head; and

the base is arranged around the plurality of clamping modules;

wherein a plurality of wheels are respectively arranged at the bottom of each third supporting frame and the second supporting frame.

2. The tower mooring system of claim 1 wherein the base, the center post and the first support bracket are further connected to the ground or a foundation.

3. A tower mooring system as defined in claim 1, wherein the base is provided with a plurality of fasteners.

4. A tower mooring system as defined in claim 3, wherein the number of fixtures is four.

5. The tower mooring system of claim 1, wherein the base further comprises a plurality of clamps.

6. The tower fastening system of claim 5, wherein the plurality of clamps are wedge-shaped.

7. The tower mooring system of claim 1, wherein the plurality of clamps is two or three in number.

8. The tower fastening system of claim 1, wherein each of the plurality of clips further comprises a plurality of chamfers.