CN215633521U - Fan integral installation fixing base - Google Patents

Abstract

The utility model discloses a fixed base for integrally mounting a fan, which comprises a fixed base, a fixed flange plate, a support frame and a plurality of hydraulic jacking devices, wherein the fixed base is provided with a plurality of supporting rods; the fixed base is fixed on a deck of a transport ship in a suspension mode through a support frame, and a plurality of axial through holes are uniformly distributed on the outer edge of the fixed base along the circumferential direction; the fixed flange is fixed on the fixed base in the middle; the number of the hydraulic jacking devices is the same as that of the axial through holes, and each hydraulic jacking device is uniformly distributed below the fixed base along the circumferential direction in a way that the hydraulic push rod of the hydraulic jacking device is vertically upward and is respectively arranged at a plurality of axial through holes on the fixed base in a one-to-one correspondence manner, so that the hydraulic push rod of each hydraulic jacking device can extend upwards through the corresponding axial through hole; this fan integral erection unable adjustment base can effectively avoid the whole fan that the concatenation was accomplished to take place to collide with the hull when lifting by crane, causes fan or hull to damage.

Description

Fan integral installation fixing base

Technical Field

The utility model relates to the technical field of offshore wind power, in particular to a fixed base for integrally mounting a fan.

Background

Offshore wind energy is a clean renewable energy source, has the characteristics of wide resource distribution, large development potential, small environmental influence, recyclability and inexhaustibility, and has become the energy field of key development in China. But at the same time, the offshore construction conditions are complex, the environment is severe, the offshore wind power can be influenced by the action of strong wind, big waves and the like, the offshore wind power can be operated in a short window period, and the operation time is short.

In the actual construction process, the fan is assembled into a whole in areas which are not affected by wind and waves, such as land or wharfs, and the like, and the fan is transported to a construction site for integral installation, so that the process of split installation of the fan can be greatly reduced, the construction efficiency is improved, and the construction cost is reduced. However, the assembled integral fan is large in size, so that the fan or the ship body is easily collided with the ship body when the fan is transported to a construction site from a transport ship, and the fan or the ship body is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fan integral installation fixing base which prevents an assembled integral fan from colliding with a ship body when the assembled integral fan is lifted from a transport ship.

Therefore, the technical scheme of the utility model is as follows:

a fixed base for integrally mounting a fan comprises a fixed base, a fixed flange plate, a support frame and a plurality of hydraulic jacking devices; wherein,

the fixed base is fixed on a deck of a transport ship in a suspension mode through a support frame, and a plurality of axial through holes are uniformly distributed on the outer edge of the fixed base along the circumferential direction;

the fixed flange plate is fixed on the fixed base in the middle, and the size and the number of the flange holes of the fixed flange plate are respectively adapted to the size and the number of the flange holes of the flange plate in the bottom of the tower barrel at the bottom of the fan;

the number of the hydraulic jacking devices is the same as that of the axial through holes on the fixed base; each hydraulic jacking device is uniformly distributed below the fixed base in a mode that the hydraulic push rod of each hydraulic jacking device faces upwards vertically along the circumferential direction and is respectively arranged at a plurality of axial through holes on the fixed base in a one-to-one correspondence manner, so that the hydraulic push rod of each hydraulic jacking device can upwards extend out through the corresponding axial through hole.

Furthermore, the fan integral installation fixing base further comprises an electric hydraulic pump station which is respectively connected with the oil inlets of the hydraulic jacking devices through a plurality of hydraulic pipelines.

Furthermore, the support frame is composed of a plurality of rectangular rib plates; the plurality of rectangular rib plates are uniformly distributed along the circumferential direction in a radial mode, the top surfaces of the rectangular rib plates are fixed on the bottom surface of the fixed base, and the bottom surfaces of the rectangular rib plates are fixed on a deck of the transport ship.

Further, the fixed base is a flat plate with a circular, polygonal or special-shaped cross section.

Furthermore, the hydraulic cylinders of the hydraulic jacking devices are welded or fixed on the deck of the transport ship by bolts.

Furthermore, the number of the axial through holes arranged on the fixed base is consistent with that of the hydraulic force bearing discs at the bottom of the fan base.

Compared with the prior art, the fan integral installation fixing base can guarantee that the fan is integrally and stably hoisted and lifted in the initial stage in the process of hoisting the fan to a construction site from a transport ship, the problem that the whole fan is rocked along with the lifting hook under the influence of wind waves is solved, and the problem that the whole fan is collided with a ship body when the whole fan is hoisted and the fan or the ship body is damaged due to the fact that the whole fan is effectively avoided being spliced.

Drawings

FIG. 1 is a schematic plan view of a fixing base for integrally mounting a fan according to the present invention;

FIG. 2 is a schematic structural view of a vertical surface of a fixed base for integrally mounting a blower fan according to the present invention;

FIG. 3 is a top view block diagram of a fan bottom drum in an embodiment of the present invention;

FIG. 4 is a schematic view of a planar structure of a fan base according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a fan base elevation in an embodiment of the present invention;

fig. 6 is a schematic structural view of the blower base and the blower tower barrel mounted on the blower integral mounting and fixing base in the embodiment of the present invention in a hoisting state.

Detailed Description

The utility model will be further described with reference to the following figures and specific examples, which are not intended to limit the utility model in any way.

As shown in fig. 1, the fixed base for integrally mounting the fan comprises a fixed base 2, a fixed flange plate 3, a support frame 4, eight hydraulic jacking devices 5 and an electric hydraulic pump station; wherein,

the fixed base 2 is a circular plate and is horizontally arranged on the deck 1 of the transport ship; the number of the hydraulic bearing discs based on the bottom of the fan base 9 is eight, eight axial through holes are uniformly distributed on the outer edge of the fixed base 2 along the circumferential direction, and the aperture of each axial through hole is larger than the outer diameter of a hydraulic push rod of the hydraulic jacking device 5;

the support frame 4 is composed of eight rectangular rib plates; specifically, eight rectangular rib plates are uniformly distributed along the circumferential direction in a radial mode, the top surface of each rectangular rib plate is welded and fixed on the bottom surface of the fixed base 2, and the bottom surface of each rectangular rib plate is welded and fixed on the deck 1 of the transport ship;

the fixed flange plate 3 is centered and welded and fixed on the fixed base 2, the size and the number of the flange holes of the fixed flange plate are respectively consistent with the size of an inner flange plate 8 at the bottom of the fan bottom tower cylinder 6 and the number of the flange holes, so that the fan bottom tower cylinder 6 vertically arranged on the fixed flange plate 3 passes through the inner flange plate 8;

the eight hydraulic jacking devices 5 are uniformly and circumferentially arranged below the fixed base 2 in a way that hydraulic push rods of the eight hydraulic jacking devices are vertically upward and are respectively arranged at eight axial through holes on the fixed base 2 in a one-to-one correspondence manner, so that the hydraulic push rods of the hydraulic jacking devices 5 can upwards extend to a hydraulic force bearing disc at the bottom of the fan base 9 through the corresponding axial through holes to push the fan to integrally upwards move to a high position far away from a deck of a transport ship, and the phenomenon that the lifting hook deflects due to the influence of wind waves on the lifting ship during lifting and the collision of the integral bottom of the fan with the transport ship is avoided;

in order to ensure that the eight hydraulic jacking devices 5 are stably arranged on the deck 1 of the transport ship, the hydraulic cylinders of the hydraulic jacking devices 5 are welded and fixed on the deck of the transport ship;

the electric hydraulic pump station is respectively connected with the oil inlets of the hydraulic jacking devices 5 through eight hydraulic pipelines, and the hydraulic push rods of the hydraulic jacking devices 5 are controlled to synchronously lift through the electric hydraulic pumps.

The concrete construction process flow for integrally installing the fixed base by adopting the fan is as follows:

s1, as shown in figure 1, sequentially welding and fixing the support frame 4, the fixed base 2 and the fixed flange 3 on a deck of a transport ship, fixing the hydraulic jacking devices 5 below axial through holes of the fixed base 2 in a one-to-one correspondence manner in a manner that hydraulic push rods of the hydraulic jacking devices face upwards, and respectively connecting the electric hydraulic pump stations with oil inlets of the hydraulic jacking devices 5 through pipelines to complete the assembly of the fixed base for integrally mounting the fan;

s2, as shown in the figures 2, 3 and 6, hoisting the fan bottom tower tube 6, aligning the inner flange 8 of the fan bottom tower tube 6 with the bolt hole of the fixed base flange 3, screwing the bolt to fix the two;

s3, as shown in figures 4 and 5, the fan base 9 which is divided into two parts is connected and fixed into an integral structure by the fan base connecting flange 12 on the fan base through bolts;

s4, as shown in FIG. 6, sleeving the fan base 9 on the fan bottom tower tube 6, lowering the fan base to the fixed base 2, aligning the flange hole on the fan base flange plate 10 with the outer flange plate 7 of the fan bottom tower tube 6, screwing the flange hole and the outer flange plate 7 into a bolt, and fixing the two, so as to complete the integral installation work of the fan;

s5, integrally transporting the fan to a construction site by a transport ship;

s6, the crane ship on the construction site symmetrically hooks the fan base lifting lugs 11 on two sides of the fan base 9 through the crane lifting hooks on the crane ship, and then all bolts between the inner flange 8 and the fixed flange 3 of the fan base tower 6 are removed;

s7, slowly lifting a crane hook, and simultaneously, driving a hydraulic push rod of each hydraulic jacking device 5 by an electric hydraulic pump station to synchronously and slowly push out the hydraulic push rod to the top end of the push rod to be always propped against each hydraulic bearing disc 13 at the bottom of the fan base 9 until the stroke of the hydraulic push rod reaches the maximum jacking stroke, so that the integral fan is prevented from shaking and colliding with a ship body in the lifting process;

and S8, the crane hook is slowly lifted to a preset height, and then the integral fan is horizontally moved to the position above the foundation to integrally install the fan.

It is to be noted that the utility model is not disclosed in detail in the present application, which belongs to the technical field; furthermore, although the illustrative embodiments of the present invention have been described above to facilitate the understanding of the present invention by those skilled in the art, it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art as long as they are within the spirit and scope of the present invention as defined and defined by the appended claims, and all changes that come within the spirit of the utility model that utilize the inventive concepts are protected.

Claims (6)

1. A fan integral installation fixing base is characterized by comprising a fixing base (2), a fixing flange plate (3), a supporting frame (4) and a plurality of hydraulic jacking devices (5); wherein,

the fixed base (2) is fixed on a deck of a transport ship in a suspended mode through a support frame (4), and a plurality of axial through holes are uniformly distributed on the outer edge of the fixed base along the circumferential direction;

the fixed flange (3) is fixed on the fixed base (2) in the middle, and the size and the number of the flange holes are respectively adapted to the size of an inner flange (8) at the bottom of the fan bottom tower barrel (6) and the number of the flange holes;

the number of the hydraulic jacking devices (5) is the same as that of the axial through holes on the fixed base (2); each hydraulic jacking device (5) is uniformly distributed below the fixed base (2) in a mode that the hydraulic push rod of each hydraulic jacking device faces upwards in the vertical direction along the circumferential direction and is respectively arranged at a plurality of axial through holes on the fixed base (2) in a one-to-one correspondence mode, so that the hydraulic push rod of each hydraulic jacking device (5) can upwards extend out through the corresponding axial through holes.

2. The blower integral installation fixing base as claimed in claim 1, further comprising an electric hydraulic pump station which is connected with oil inlets of the hydraulic jacking devices (5) through a plurality of hydraulic pipelines.

3. The integral fan mounting and fixing base as claimed in claim 1, wherein the supporting frame (4) is composed of a plurality of rectangular rib plates; the plurality of rectangular rib plates are uniformly distributed along the circumferential direction in a radial mode, the top surfaces of the rectangular rib plates are fixed on the bottom surface of the fixed base (2), and the bottom surfaces of the rectangular rib plates are fixed on the deck (1) of the transport ship.

4. The blower integral installation fixing base as claimed in claim 1, wherein the fixing base (2) is a flat plate with a circular, polygonal or irregular cross section.

5. The blower integral installation fixing base of claim 1, wherein the hydraulic cylinder of each hydraulic jacking device (5) is welded or fixed on the deck of a transport ship through bolts.

6. The integral fan mounting and fixing base as claimed in claim 1, wherein the number of the axial through holes formed in the fixing base (2) is the same as the number of the hydraulic bearing discs at the bottom of the fan base (9).

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