CN218403336U - Movable balance beam for integrally mounting fan - Google Patents

Abstract

The utility model discloses a movable balance beam for integrally installing a fan, which comprises a balance beam body, wherein a hollow installing support is arranged in the middle part of the balance beam body; a plurality of holding components for fixing the fan tower cylinder are uniformly arranged on the hollow mounting bracket; the hollow mounting bracket is formed by connecting a pair of symmetrical concave mounting brackets through a plurality of bolts and threads; the holding component comprises a hoop hydraulic pump and a hydraulic hoop device. The utility model provides an in using the whole translation hoist and mount in-process of hoist, because the focus of fan is high, produce the problem of potential safety hazards such as deflecting or toppling easily.

Description

Movable balance beam for integrally mounting fan

Technical Field

The utility model relates to a compensating beam.

Background

With the further development of the wind power industry in China, the motor capacity of the wind power generator set is gradually increased, the size and the weight of each part of the wind power generator set are also continuously increased, and the difficulty and the cost of transportation and installation of the wind power generator set are greatly increased. Especially, the offshore wind field has the advantages of high wind speed, low turbulence, small wind shear and the like, and the offshore wind turbine has the characteristics of larger impeller diameter, low rated wind speed, low hub height and high tip speed ratio under the same rated power, so that the generated energy of the unit can be greatly improved, and the service life of the unit can be prolonged. The current offshore wind power installation scheme at foreign countries includes: assembling the parts: a tower, a cabin and an impeller are sequentially installed in a wind field. The hoisting ship needs to be integrally jacked to the water surface so as to avoid the heaving and shaking of the ship caused by stormy waves and ensure the safe and accurate installation of the fan. Integral installation: and after the fan is assembled at the wharf, the integral hoisting is carried to a transport ship and a wind field, and the integral hoisting is completed. At present, the integral hoisting is a floating crane, so that the butt joint of the fan and the foundation needs to adopt a buffer measure to protect the fan and the foundation. At present, no mature equipment and method for integral transportation and installation at sea exist at home and abroad, so that the special transportation and hoisting equipment becomes the bottleneck of offshore wind power development.

Chinese patent publication No. CN202864750U discloses a movable balance beam for integral installation of a fan, which comprises a transportation installation hull, and a longitudinal trolley track is laid on a main deck of the transportation installation hull, and the device has the following defects: in the integral translation hoisting process of the crane, potential safety hazards such as deflection or overturning are easy to generate due to the high gravity center of the fan.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable compensating beam of fan unit mount can reduce the focus of fan, reduces hoist and mount in-process fan and produces potential safety hazards such as deflection or toppling.

The technical scheme for realizing the purpose is as follows: a movable balance beam for integrally installing a fan comprises a balance beam body, wherein a hollow installation support is arranged in the middle of the balance beam body; a plurality of holding components for fixing the fan tower cylinder are uniformly arranged on the hollow mounting bracket; the hollow mounting bracket is composed of a pair of symmetrical concave mounting brackets which are connected through a plurality of bolt threads.

Preferably, the holding component comprises a hoop hydraulic pump and a hydraulic hoop device, the hollow mounting bracket is connected with the fixed end of the hoop hydraulic pump through threads, and the output end of the hoop hydraulic pump is connected with the hydraulic hoop device; the inner wall of the hydraulic hoop device is tightly attached to the tower barrel of the fan.

Preferably, two sides of the balance beam body are provided with a walking trolley; a plurality of tires of the traveling trolley are located within corresponding mast tracks.

Preferably, the contact surface of the derrick rail and the plurality of tires of the walking trolley is a rough plane.

Preferably, a plurality of hoisting rope buckles are arranged at two ends of the balance beam body; the upper half part of a tower drum of the fan is provided with a lifting point, a plurality of lifting rope buckles are tied with first traction ropes, and the lifting point is tied with second traction ropes.

Preferably, the inner wall of the hydraulic hoop device is provided with an anti-slip coating.

Preferably, the derrick rail is located in a region to be hoisted, and the derrick rail has a certain height.

Preferably, a floating crane, a small crane and a plurality of foundation piles are arranged in the hoisting area.

Preferably, the first traction rope is arranged on a small crane, and the second traction rope is arranged on a floating crane.

The beneficial effects of the utility model are that: the hollow mounting bracket is connected with the fixed end of the hoop hydraulic pump through threads, and the output end of the hoop hydraulic pump is connected with the hydraulic hoop device; the inner wall of the hydraulic hoop device is clung to a tower drum of the fan; the hydraulic anchor ear device is clamped or loosened by controlling the hydraulic pump, so that the balance beam body is fixed or moved, the balance beam body can be conveniently moved by the first traction rope, the gravity center of the fan is changed in the hoisting process, and potential safety hazards such as deflection or overturning of the fan and the like in the hoisting process are reduced;

two sides of the balance beam body are provided with a walking trolley; a plurality of tires of the walking trolley are located in corresponding derrick rails, the walking trolley can enable the fan to be translated to a hoisting station, the time for ship engine position movement adjustment is shortened, and construction efficiency is improved.

Drawings

Fig. 1 is a top view of the present invention;

fig. 2 is a schematic view of the present invention on a derrick rail;

FIG. 3 is a schematic diagram of the operation of the hoisting device of the present invention;

fig. 4 is a schematic view of the utility model when waiting to be hoisted;

figure 5 is a detail view of the present invention clasping assembly.

In the figure: 1. a balance beam body; 2. a hollow mounting bracket; 3. a fan; 4. a clasping component; 5. a "concave" mounting bracket; 7. a traveling carriage; 8. a derrick rail; 9. hoisting the rope fastener; 10. a floating crane; 11. pile foundation; 41. a hoop hydraulic pump; 42. and (5) a hydraulic hoop holding device.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-5, a movable balance beam for integrally mounting a fan comprises a balance beam body 1, a hollow mounting bracket 2 and a plurality of holding assemblies 4.

The middle part of the balance beam body 1 is provided with a hollow mounting bracket 2; the plurality of holding components 4 are uniformly arranged on the hollow mounting bracket 2 and can fix the tower drum of the fan 3; the hollow mounting bracket 2 is composed of a pair of symmetrical concave mounting brackets 5 which are connected through a plurality of bolts and threads, the balance beam body 1 can be freely mounted or dismounted, and the balance beam body 1 can be dismounted into two symmetrical right-angle trapezoid-like parts through dismounting.

The 4 holding components comprise a hoop hydraulic pump 41 and a hydraulic hoop device 42, the hollow mounting bracket 2 is connected with the fixed end of the hoop hydraulic pump 41 through threads, and the output end of the hoop hydraulic pump 41 is connected with the hydraulic hoop device 42; the inner wall of the hydraulic hoop holding device 42 is clung to the tower drum of the fan 3; the hydraulic anchor ear 42 is clamped or unclamped by controlling the hydraulic pump 41, thereby fixing or moving the balance beam body 1.

Two sides of the balance beam body 1 are provided with a walking trolley 7; a plurality of tires of walking platform truck 7 are located corresponding derrick track 8, and walking platform truck 7 can be with fan 3 translation to hoist and mount station, has reduced the time of ship machine position shift adjustment, improves the efficiency of construction.

The contact surfaces of the derrick rail 8 and the plurality of tires of the walking trolley 7 are rough planes, so that the walking trolley 7 is prevented from slipping to cause position deviation; a plurality of hoisting rope buckles 9 are arranged at two ends of the balance beam body 1; the upper half part of the tower barrel of the fan 3 is provided with a lifting point, the plurality of lifting rope buckles 9 are tied with first traction ropes, and the balance beam body 1 can be conveniently moved through the first traction ropes, so that the gravity center of the fan 3 is changed, and the phenomenon that the fastening assembly 4 quickly falls down when being loosened to cause potential safety hazards is also prevented; the second hauling rope is tied on the lifting point, and the fan 3 can be hoisted through the second hauling rope.

The inner wall of the hydraulic hoop holding device 42 is provided with an anti-slip coating, so that the friction force between the hydraulic hoop holding device and the tower drum of the fan 3 is increased, and the balance beam body 1 is fixed more stably; the derrick track 8 is positioned in the area to be hoisted, and the derrick track 8 has a certain height; a floating crane 10, a small crane and a plurality of foundation piles 11 are arranged in the hoisting area, the floating crane 10 is used for hoisting the fan 3, the small crane is used for hoisting the balance beam body 1, and the foundation piles 11 play a role in supporting and fixing the fan 3; the first hauling cable is arranged on the small-sized crane, and the second hauling cable is arranged on the floating crane 10.

The working principle is as follows: when the wind driven generator is used, the wind driven generator is assembled, the balance beam body 1 is hoisted on a tower cylinder of the fan 3, the plurality of hoop hydraulic pumps 41 are opened, each hydraulic hoop device 42 is tightly attached to the tower cylinder of the fan 3, the balance beam body 1 is fixed on the tower cylinder of the fan 3, then the balance beam body 1 is hoisted on the derrick rail 8, tires of the two walking trolleys 7 on two sides of the balance beam body 1 are located in the derrick rail 8, and before hoisting, the two walking trolleys 7 are opened in a region to be hoisted, so that the fan 3 is translated to a hoisting station;

when hoisting is carried out: the method comprises the following steps that a second traction rope is tied to a lifting point of a tower drum on a fan 3, the fan 3 slowly moves out of a lifting station, then a floating crane 10 is kept still, a first traction rope is tied to a plurality of lifting rope buckles 9, a hydraulic pump 41 is controlled to enable a hydraulic hoop device 42 to be loosened, a balance beam body 1 slowly descends under the action of a small crane, when the balance beam body 1 moves to the bottom of the tower drum of the fan 3, the hydraulic hoop device 42 clamps the fan 3 again, the first traction rope is detached from the lifting rope buckles 9, the floating crane 10 continues lifting work, the fan 3 is lifted to a corresponding foundation pile 11 and installed, and finally a pair of symmetrical concave mounting supports 5 is detached to detach the balance beam body 1 into two parts in the central axis direction of a hollow mounting support 2 and lift the balance beam body to a region to be lifted.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (9)

1. A movable balance beam for integrally mounting a fan comprises a balance beam body (1) and is characterized in that a hollow mounting bracket (2) is arranged in the middle of the balance beam body (1); a plurality of holding components (4) for fixing a tower cylinder of the fan (3) are uniformly arranged on the hollow mounting bracket (2); the hollow mounting bracket (2) is formed by connecting a pair of symmetrical concave mounting brackets (5) through a plurality of bolts and threads.

2. The movable balance beam for integrally installing the fan according to claim 1, wherein the holding component (4) comprises a hoop hydraulic pump (41) and a hydraulic hoop device (42), the hollow mounting bracket (2) is connected with the fixed end of the hoop hydraulic pump (41) through a thread, and the output end of the hoop hydraulic pump (41) is connected with the hydraulic hoop device (42); the inner wall of the hydraulic hoop device (42) is tightly attached to the tower of the fan (3).

3. The movable balance beam for integrally installing the fan is characterized in that a walking trolley (7) is arranged on each of two sides of the balance beam body (1); a plurality of tyres of the travelling trolley (7) are located in the corresponding mast tracks (8).

4. A wind turbine integral mounted movable equalizer beam as claimed in claim 3, wherein the contact surface of the derrick rail (8) and the running carriage (7) with a plurality of tires is a rough surface.

5. The movable balance beam for integrally installing the fan according to claim 1, wherein a plurality of hoisting rope buckles (9) are arranged at both ends of the balance beam body (1); the upper half part of the tower drum of the fan (3) is provided with a lifting point, a plurality of lifting rope buckles (9) are tied with first traction ropes, and the lifting point is tied with second traction ropes.

6. The movable balance beam for integrally mounting the fan is characterized in that the inner wall of the hydraulic hoop device (42) is provided with an anti-slip coating.

7. A wind turbine integrally mounted movable equalizer beam as claimed in claim 3, wherein said derrick rail (8) is located at a region to be hoisted, and said derrick rail (8) has a height.

8. The movable balance beam for integrally installing the wind turbine as claimed in claim 7, wherein a floating crane (10), a small crane and a plurality of foundation piles (11) are arranged in the hoisting area.

9. Movable balance beam for integral installation of wind turbines according to claim 5, characterized in that said first hauling cable is arranged on a small crane and said second hauling cable is arranged on a floating crane (10).

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