JP2001254668A - Device and method for assembling wind power generation tower - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device capable of assembling a tower for wind power generation equipment without using a large crane and an assembling method using the crane. SOLUTION: A pair of right and left forcing-up devices 2 is fixed on a ground with a foundation for building a tower nipped therebetween. The lower parts of right and left columnar bodies of a gantry frame 3 are supported at the respective forcing-up devices 2. A rope 5 for lifting running around a pulley 4 locked at a cross beam 9 of the gantry frame 3 is hoisted by a winch 6 and tower units T1, T2, and T3 are erected on the foundation. The forcing-up device 2 is provided with a pedestal 11 to support with vertical elevation of the columnar body 8 guided, and an elevation mechanism connected to and separable from the lower part of the columnar body 8 to force up the columnar body 8. Unit columns 8a and 8b are connected to the lower end of the columnar body 8 forced up from a ground, the columnar body 8 is successively extended upward and the tower units T1, T2, and T3 of an upper part are erected, in the order, on the tower unit of a lower part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for assembling a tower of a wind power generation facility, and a method for assembling a tower using the apparatus.

[0002]

2. Description of the Related Art A wind power generation facility is, for example, about 30 m high.
, A mechanism called a nacelle installed at the upper end of the tower, and a blade attached to the tip of the nacelle are main components. The tower is assembled by connecting three tower units, upper, middle, and lower, from bottom to top. After the tower is assembled, a nacelle with blades is attached to the top of the tower. Conventionally, the above-mentioned assembling work is performed by lifting a member with a crane installed near the foundation of the tower.

[0003]

However, depending on the construction site of the wind power generation facility, it may be very difficult to carry a large crane. Therefore, an object of the present invention is to provide an apparatus capable of assembling a tower of a wind power generation facility without using a large crane, and an assembling method using the same.

[0004]

According to the present invention, a pair of right and left lifting devices are fixedly mounted on the ground with a foundation for tower construction therebetween, and upper ends of the pair of right and left columns are connected by a horizontal beam. The lower part of the pillar of the portal frame is supported by the lifting device. The hoisting rope hung on the pulley locked by the cross beam is wound up with a winch, and the tower unit is set up on the foundation. The lifting device includes a gantry fixed on the ground, a guide member for guiding the vertical movement of the column relative to the gantry, and a lifting mechanism that can be connected to and detached from the lower portion of the column to lift the column. Let it. By connecting the unit pillars to the lower ends of the pillars raised from the ground, the pillars are extended one after another, and the upper tower unit is sequentially raised on the lower tower unit. While raising the portal frame sequentially with the lifting device and adding unit columns downward,
The hoisting rope hung on the pulley of the portal frame is wound up by a winch, and the tower units are sequentially assembled upward, so that the tower can be efficiently constructed without using a large crane. Alternatively, the upper tower unit is hung up on the portal frame, an intermediate tower unit is erected below, the upper tower unit is hung above the upper tower unit to connect them, and then the upper tower unit and the intermediate tower unit are connected. Hanging on a portal frame, raising and lowering the lower tower unit below it, placing the upper tower unit and intermediate tower unit above it, and connecting the lower part of the intermediate tower unit to the upper part of the lower tower unit Can be.

[0005]

Embodiments of the present invention will be described with reference to the drawings. 1 to 11 show steps of assembling a tower of a wind power generation facility using an assembling apparatus according to the present invention in order, and FIGS. 1 to 4A are front views,
(B) is a side view, FIG. 5 is a front view, FIG. 6 (A) is a front view,
(B) is a side view, FIGS. 7 to 11 are front views, FIG. 12 is a front view of a lifting device, FIG. 13 is a schematic exploded perspective view of a mount of the lifting device, and FIG. 14 is a corner of a lifting frame. Plan view of the
FIG. 15 is an explanatory diagram of a pulley at the top of a portal frame.

A method of assembling a tower will be described, and the structure of an assembling apparatus will be clarified. As shown in FIG. 3, the assembling apparatus 1 includes a pair of left and right lifting devices 2 fixed on the ground with a tower construction foundation interposed therebetween, and a portal frame 3 that is sequentially lifted upward by the lifting devices 2. And portal frame 3
The lifting rope 5 hung on the pulley 4
, And the tower units T1, T2, T3 (FIG. 1)
And 2) a hoisting device 7 for starting up on the foundation.

[0007] The portal frame 3 is provided with a lifting device
A pair of left and right pillars 8 supported by the column, a cross beam 9 connecting the upper ends of the pillars 8, and a cantilever 10 extending horizontally from the upper end of the column 8 at right angles to the cross beam 9. I do. In the embodiment, the column 8 is a unit column 8a, 8 of a square cylindrical shape having a length of 4 m.
.., 8c...

As shown in FIGS. 1 and 12, in the embodiment, a lifting device 2 having a height of 8 m is provided with a gantry 11 fixed on the ground and a guide frame for guiding the vertical movement of the column 8 with respect to the gantry 11. 12 and an elevating mechanism 13 which can be connected to and detached from the lower part of the column 8 in order to lift the column 8.

As shown in FIGS. 1, 12, and 13, the gantry 11 includes a lower gantry 14 and an upper gantry 15, and has a space vertically above and below which the column 8 penetrates. Lower frame 14
Is composed of a pair of left and right side mounts 14a, 14a, and the upper mount 15 is fixed across the side mounts 14a, 14a. The upper gantry 15 has a rectangular cylindrical shape, and has square guide rods 15a at four corners, which are provided at two corners of the left and right side mounts 14a, 14a.
4b.

The guide frame 12 has a rectangular shape and surrounds the outside of the column 8, and can support the column 8 so as to be vertically movable. The guide frame 12 includes, for example, rollers inside the four corners, and may be configured to roll the rollers vertically at the outer corners of the column body 8.

The lifting mechanism 13 comprises a lifting frame 16 which can be connected to and detached from the lower ends of the unit columns 8a, 8b... Constituting the column 8, and a hydraulic cylinder 17 for lifting.
And a rope 18 hung between the lifting frame 16 and the hydraulic cylinder 17. A wire semi system may be used instead of the hydraulic system. As shown in FIGS. 12 and 14, the lifting frame 16 has a rectangular shape, is provided with rollers 16 a outside the four corners, and surrounds the outside of the column 8. The lifting frame 16 can be moved up and down by rolling the roller 16a along the guide column 14b of the gantry 14, and is connected to the lower portion of the column 8 by inserting and removing the rod 16c of the hydraulic cylinder 16b. And can be removed.

As shown in FIG. 1, a lifting device 2 is placed on the ground on both the left and right sides of the tower foundation. The installation work of the lifting device 2 is performed using a small crane 31 called a bar installed in the vicinity.

In FIG. 2, two unit columns 8a, 8
A column 8 formed by connecting b is raised in the lifting device 2. A cantilever 10 is horizontally attached to the upper end of the upper unit column 8a. A lifting frame 16 is connected to the lower end of the lower unit column 8b, and is lifted by a hydraulic cylinder 17 and a rope 18 or a chain. As shown in FIG. 3 in the space below the unit column 8b,
A new unit column 8c is inserted and joined.

In FIG. 3, unit columns 8a, 8b, 8
c between the upper ends of the left and right pillars 8, 8 formed by connecting
Is bridged and fixed, and the portal frame 3 is assembled. The horizontal pulley 9 is engaged with a pulley 4 for lifting, and a rope 5 is hung thereon. 5a is a hanging tool.

In FIG. 4, the lifting device 7 is
After temporarily suspending the lower tower unit T1 under the cross beam 9, in FIG. 5, the lower tower unit T1 is lifted by the lifting device 7 and fixed on the foundation. Next, in FIG. 6, the column body 8 is lifted, and as shown in FIG. 7, new unit columns 8d, 8e, 8f are added to the lower portion, and the lifting device 7 lifts the intermediate tower unit T2 to lift the lower tower unit T2.
1 on top. Next, in FIG. 8, a tower guide 19 is provided between the upper end portion of the intermediate tower unit T2 and the column body 8.
Similarly, the column body 8 is lifted up, and new unit columns 8g and 8h are added to the lower part. Tower Guide 19
A support 19a coupled to the tower unit T2;
And a guide portion 19b that surrounds and supports the way of the column body 8 so as to be movable up and down relatively. Next, in FIG. 9, the upper tower unit T3 is lifted by the lifting device 7 and fixed on the intermediate tower unit T2.

In the lifting operation of the tower units T2 and T3, as shown in FIG. 15, a pulley for pulling in which the cantilever 10 is engaged in order to avoid another tower unit T1 or T2 already installed below. 20a, 20b
And a pull-in rope 21 are used. The pull-in rope 21 has an intermediate portion hung on the pull-in pulleys 20a and 20b, a control pulley 22 is locked at a leading end, and the other end is wound around a pull-in winch (not shown) on the ground. Tower unit T1 or T2 already standing on the foundation
The other tower unit T2 or T3 can be lifted from the side position, and the pull-in rope 21 can be extended and wound to adjust the lifted tower unit T2 or T3 on the lower tower unit T1 or T2.

After the tower T is assembled, as shown in FIG. 10, the mechanism N suspended from the cross beam 3 is lowered and mounted on the upper tower unit T3. In addition, the bar 32 is attached to the column 8, and the blade B is lifted by using this, and attached to the mechanism N. Then, the gate-shaped frame is sequentially disassembled and suspended from above using the bar 32, and FIG.
Wind power facilities are completed.

FIGS. 16 to 21 are schematic front views sequentially showing a method of assembling a tower according to another embodiment. In this embodiment, the operation procedure after the state shown in FIG. 4 is different. That is, as shown in FIG. 16, first, the upper tower unit T3 is started up. Next, as shown in FIG. 17, the mechanical section N is connected to the upper end of the upper tower unit T3. These operations can be performed using the lifting device 7. Next, as shown in FIG.
New unit columns 8d and 8e are added to the lower part, and the portal frame 3 is set to a predetermined height while suspending the upper tower unit T3. Next, as shown in FIG. 19, the intermediate tower unit T2 is started downward. At this time, for example, a lifting rope 5 hung on a pulley 4 can be used. Using the lifting device 2, the upper tower unit T3 is lifted together with the portal frame 3, and the intermediate tower unit T2 is lifted.
The upper tower unit T3 is suspended from above and connected to each other. Next, as shown in FIG. 20, the column body 8 is lifted, new unit columns 8f, 8g, and 8h are added to the lower part, and the gate-type frame 3 is set to a predetermined height while suspending the tower units T3 and T2. Next, as shown in FIG. 21, the lower tower unit T1 is raised downward and fixed on the foundation. The tower units T3 and T2 are lifted together with the portal frame 3 using the lifting device 2, and the intermediate tower unit T2 is suspended from the lower tower unit T1 to connect them. In the above description, a mechanism unit called a nacelle and a tower unit are distinguished, but this is for convenience of explanation, and in a broad sense, the mechanism unit is also included in the tower unit.

[0019]

As described above, the present invention has an effect that a tower of a wind power generation facility can be assembled without using a large crane.

[Brief description of the drawings]

FIG. 1 shows a step-by-step process of assembling a tower of a wind power generation facility using an assembling apparatus, wherein (A) is a front view,
(B) is a side view.

FIGS. 2A and 2B sequentially show a process of assembling a tower of a wind power generation facility using an assembling apparatus, wherein FIG.
(B) is a side view.

FIGS. 3A and 3B sequentially show a process of assembling a tower of a wind power generation facility using an assembling apparatus, wherein FIG.
(B) is a side view.

4A and 4B show a step-by-step process of assembling a tower of a wind power generation facility using an assembling apparatus, wherein FIG.
(B) is a side view.

FIG. 5 is a front view showing a process of assembling a tower of a wind power generation facility using the assembling apparatus in order.

6A and 6B show a step-by-step process of assembling a tower of a wind power generation facility using an assembling apparatus, wherein FIG.
(B) is a side view.

FIG. 7 is a front view sequentially showing a process of assembling a tower of a wind power generation facility using an assembling apparatus.

FIG. 8 is a front view illustrating a process of assembling a tower of a wind power generation facility using the assembling apparatus in order.

FIG. 9 is a front view illustrating a process of assembling a tower of a wind power generation facility using the assembling apparatus in order.

FIG. 10 is a front view sequentially showing a process of assembling a tower of a wind power generation facility using an assembling apparatus.

FIG. 11 is a front view sequentially showing a process of assembling a tower of a wind power generation facility using an assembling apparatus.

FIG. 12 is a front view of the lifting device.

FIG. 13 is a schematic exploded perspective view of a mount of the lifting device.

FIG. 14 is a plan view of a corner of a lifting frame.

FIG. 15 is an explanatory view of a pulley at the top of a portal frame.

FIG. 16 is a schematic front view showing step by step a method of assembling a tower according to another embodiment.

FIG. 17 is a schematic front view showing step by step a method of assembling a tower according to another embodiment.

FIG. 18 is a schematic front view showing step by step a method of assembling a tower according to another embodiment.

FIG. 19 is a schematic front view sequentially showing a method of assembling a tower according to another embodiment.

FIG. 20 is a schematic front view showing step by step a method of assembling a tower according to another embodiment.

FIG. 21 is a schematic front view showing step by step a method of assembling a tower according to another embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Assembling apparatus 2 Lifting device 3 Gate type frame 4 Pulley 5 Rope 6 Winch 7 Lifting device 8 Column 8a, 8b ... Unit column 9 Cross beam 10 Cantilever 11 Mounting stand 12 Guide member 13 Lifting mechanism 14 Lower mounting 15 Upper frame 16 Lift frame 17 Hydraulic cylinder 18 Rope 19 Tower guide 20 Pull-in pulley 21 Pull-in rope 22 Control pulley T1 Tower unit T2 Tower unit T3 Tower unit

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Mitsuyuki Seiya 1-3-1 Uchisaiwaicho, Chiyoda-ku, Tokyo Inside Tokyo Electric Power Company (72) Inventor Tetsuyo Asami 4-83-3 Shibaura, Minato-ku, Tokyo No. Kandenko Co., Ltd. (72) Inventor Hiroaki Ueno 6-5-19 Minamishinagawa, Shinagawa-ku, Tokyo F-term in Sanwa Tekki Co., Ltd. 2E003 BA02 3H078 AA02 AA11 AA26 BB20 CC02 CC11 CC47

Claims (5)

[Claims] 1. A pair of left and right lifting devices fixed on the ground with a wind power generation tower construction foundation interposed therebetween, and a plurality of unit columns connected up and down, and lower portions respectively supported by the lifting devices. A pair of pillars, a cross beam connecting the upper ends of the left and right pillars, and a lifting rope hung on a pulley locked to the cross beam with a winch to wind the wind turbine tower unit onto the foundation. A lifting device, which is fixed on the ground and supports the column vertically and vertically, and is connected to and detachable from a lower portion of the column to lift the column. A lifting mechanism, and connecting the unit pillars to the lower ends of the pillars lifted from the ground by the lifting device, thereby extending the pillars one after another, and sequentially connecting the upper tower unit to the lower tower unit. Assembling apparatus of the wind power tower, characterized in that the the so launch onto Tsu bets. 2. When a predetermined number of the tower units have been assembled, the upper tower unit further includes a tower guide that supports the way of the column, and the tower guide is connected to and supported by the upper tower unit. And a guide portion that is configured to be continuous on the left and right sides of the support portion and that surrounds the middle of the column so as to be able to move up and down relatively. The wind turbine tower assembling apparatus according to claim 1, wherein the wind turbine tower is supported by the assembled tower. 3. A middle portion of a cantilever extending horizontally from the upper ends of the left and right columns at right angles to the cross beam and a pulley engaged with the cantilever. A pulling rope, the other end of which is wound around a pulling winch, and an intermediate portion of the lifting rope is further hung on the control pulley, and is fixed to a standing position. 2. The tower unit arranged on the ground on the side of the above can be lifted by a lifting rope, and the tower unit can be started up and retracted to a fixed position by operating the pull-in rope. Wind power tower assembly equipment. 4. A method for assembling a wind power tower, comprising the following steps: (1) A pair of right and left lifting devices are fixedly mounted on the ground with a wind power tower construction foundation interposed therebetween. (2) The upper portions of the left and right pillars are joined by a horizontal girder to form a portal frame, and the left and right pillars of the portal frame are penetrated into the lifting device and raised. (3) The lifting mechanism of the lifting device is connected to a lower portion of the column. (4) The column is raised by the lifting mechanism and raised to a predetermined height position, and after inserting and connecting a unit column below the column, the lifting mechanism is detached from the column and lowered.
Connect the lifting mechanism to the lower part of the connected unit column. (5) The steps of (4) are repeated to connect the unit columns one after another. (6) When the portal frame has reached a predetermined height, the lower end of the column is fixed on the ground. (7) A hoisting rope hung on a pulley locked to the horizontal girder of the portal frame is hoisted by a winch, and a tower unit for wind power generation is hoisted by the hoisting rope, and set up on the foundation. (8) The steps (5) to (7) are repeated a predetermined number of times,
A new tower unit is assembled to the required height on the already-started tower unit. 5. A method for assembling a wind power generation tower, comprising the following steps: (1) A pair of right and left lifting devices are fixedly mounted on the ground with a tower construction foundation interposed therebetween. (2) The upper portions of the left and right pillars are joined by a horizontal girder to form a portal frame, and the left and right pillars of the portal frame are penetrated into the lifting device and raised. (3) The lifting mechanism of the lifting device is connected to a lower portion of the column. (4) The column is raised by the lifting mechanism and raised to a predetermined height position, and after inserting and connecting a unit column below the column, the lifting mechanism is detached from the column and lowered.
Connect the lifting mechanism to the lower part of the connected unit column. (5) The steps of (4) are repeated to connect the unit columns one after another. (6) When the portal frame has reached a predetermined height, the lower end of the column is fixed on the ground. (7) A hoisting rope hung on a pulley locked to the lateral girder of the portal type frame is hoisted by a winch, and the upper tower unit is hoisted by the hoisting rope and set up on the foundation. (8) suspending the upper tower unit on the cross beam,
The step (4) is repeated a predetermined number of times to make the gate-shaped frame a predetermined height, and the column body of the gate-shaped frame is lifted by the upper tower unit and the lifting device, and the intermediate tower is lowered to the lower part of the upper tower unit. Start the unit. (9) The upper tower unit is suspended and connected to the upper part of the intermediate tower unit. (10) If there are a plurality of the intermediate tower units, (9)
The upper intermediate tower unit connected earlier is hung on the horizontal beam, and the step (4) is repeated a predetermined number of times to make the portal frame a predetermined height, and the upper intermediate tower unit connected earlier is stopped. The step of raising the intermediate tower unit downward, and suspending and connecting the upper intermediate tower unit connected earlier to the upper part thereof is repeated a required number of times. (11) The step (4) is repeated a predetermined number of times to make the portal frame a predetermined height, and the pillars of the portal frame are lifted by the upper tower unit and the intermediate tower unit together with the lifting device, and Raise the lower tower unit below the tower unit and place it on the foundation. (12) The upper tower unit and the intermediate tower unit are suspended above the lower tower unit, and the lower part of the intermediate tower unit is connected to the upper part of the lower tower unit.