CN218563800U

CN218563800U - Narrow place fan wheel assembly quality

Info

Publication number: CN218563800U
Application number: CN202223038556.9U
Authority: CN
Inventors: 黄佩兵; 李强; 曹念华
Original assignee: Power China Jiangxi Hydropower Engineering Bureau Co ltd
Current assignee: Power China Jiangxi Hydropower Engineering Bureau Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-03-03
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses a fan impeller assembling device in narrow site, which comprises an assembly foundation, wherein a fixed ring is integrally cast on the top surface of the assembly foundation, and a built-in ring is welded on the inner ring of the fixed ring; the utility model discloses in, through being close to the solid fixed ring who assembles the basis with assembling the transition portion, make to assemble among the mounting groove of seting up on built-in ring surface all embedding of a plurality of connecting strips of transition portion lower part welded, then the thread groove threaded connection who sets up through hex bolts through-connection strip and mounting groove medial surface, make the part of assembling the transition portion bury underground among solid fixed ring, then peg graft the mounting hole of seting up on U type bolt and the solid fixed ring mutually, be connected nut and U type bolt's screw thread portion again, make U type bolt and connecting strip offset, realize assembling the installation of transition portion, compare in the single mode of relying on the bolt to fix, can promote and assemble the reliability of transition portion and assembling basic connection, prevent to assemble the transition portion because of the too big phenomenon that arouses the pine to take off of bearing.

Description

Narrow place fan wheel assembly quality

Technical Field

The utility model relates to a wind generating set equipment technical field especially relates to a narrow place fan wheel assembly device.

Background

As is well known, many new energy engineering projects in China are located in remote places, such as wind power generation projects, many of which are built on high mountains, and fan installation platforms of 40m × 50m/30m × 60m are favored on the land for fan installation sites, so that a large site area is needed, a large construction cost is brought, and the new energy engineering projects are a difficult point which must be solved by current wind power projects.

Through retrieval, patent number CN205277701U discloses an assembling device for assembling a wind generating set impeller. It includes: the concrete structure of the foundation (1) of the wind generating set is integrated with the foundation ring (21) of the wind generating set in a pouring mode, and the top end of the foundation ring (21) is provided with a first connecting flange (3); and the assembling transition part (22), wherein the assembling transition part (22) is arranged on the base ring (21) and is provided with a second connecting flange (223) connected with the hub of the impeller. This embodiment is through setting up flange on wind turbine generator system foundation ring, and the transition portion is assembled in the installation on flange to assemble the impeller through assembling the transition portion, saved the space, solved the narrow unable crane in mountain area space or support and supported the impeller and cause the problem of impeller equipment difficulty.

Among the above-mentioned technical scheme, through bolt fastening assemble transition portion on the foundation ring, the realization is to the equipment of impeller, the space has been saved, but because should assemble transition portion and fixed with the foundation ring through bolt and a plurality of connection structure, and do not set up corresponding protective structure, and assemble transition portion and expose the setting with the foundation ring junction, when the foundation ring bears wind-powered electricity generation impeller subassembly, very easily because of wind-powered electricity generation impeller subassembly weight is too big arouses to assemble the phenomenon that transition portion pine takes off, influence the security of wind-powered electricity generation impeller subassembly equipment.

Therefore, the assembling device for the fan impeller in the narrow site has the advantages of being reliable in installation and saving installation space, and further solves the problems in the background technology.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a narrow field fan impeller assembling device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a narrow place fan impeller assembly device, is including assembling the basis, the integrative pouring of top surface of assembling the basis has solid fixed ring, and solid fixed ring's inner circle welding has built-in ring, the mounting groove has been seted up on the surface of built-in ring, and the mounting groove medial surface sets up the thread groove, insert in the fixed ring to be provided with and assemble transition portion, and the top of assembling transition portion is fixed with flange, it has the connecting strip to assemble transition portion lower part skin weld, and the one end interlude of connecting strip is connected with the hex bolts, the bolt groove threaded connection in the one end of hex bolts and the mounting groove, gu fixed ring's surface sets up the mounting hole, and the interlude is provided with U type bolt in the mounting hole, the screw thread portion threaded connection of U type bolt has the nut, and the U type end and the connecting strip of U type bolt offset.

As a further description of the above technical solution: the outer lane of solid fixed ring encircles and sets up a plurality of connection feet, and a plurality of connection feet all with assemble the basis and weld mutually.

As a further description of the above technical solution: the connecting strip is provided with a plurality ofly, and a plurality of connecting strips encircle the welding at solid fixed ring's surface.

As a further description of the above technical solution: the surface of built-in ring encircles and has seted up a plurality of mounting grooves, and the thread groove has all been seted up to a plurality of mounting grooves medial surface.

As a further description of the above technical solution: the surface of the fixing ring is surrounded by a plurality of groups of mounting holes, U-shaped bolts are arranged in each group of mounting holes in an alternating mode, and the cross section of each mounting hole is of a T-shaped structure.

As a further description of the above technical solution: the top surface welding of assembling the basis has a support section of thick bamboo, and supports a section of thick bamboo and contact with the bottom of assembling the transition portion.

As a further description of the above technical solution: and a plurality of flange holes are formed on the surface of the connecting flange at the top of the assembling transition part in a surrounding manner.

The utility model discloses following beneficial effect has:

the utility model discloses in, through being close to the solid fixed ring of assembling the basis with assembling the transition portion, make to assemble among the mounting groove of seting up on built-in ring surface all embedding of a plurality of connecting strips of transition portion lower part welded, then the thread groove threaded connection who sets up through hex bolts through-connection strip and mounting groove medial surface, make the part of assembling the transition portion bury underground among solid fixed ring, then peg graft the mounting hole of seting up on U type bolt and the solid fixed ring mutually, be connected nut and U type bolt's screw thread portion again, make U type bolt and connecting strip offset, realize assembling the installation of transition portion, compare in the single mode of relying on the bolt to fix, can promote the reliability of assembling transition portion and assembling basic connection, prevent to assemble the transition portion because of the too big phenomenon that arouses the pine take off of bearing, through the flange who assembles the setting of transition portion top, be convenient for being connected with the impeller through the bolt, be favorable to narrow yard underground fan impeller's equipment.

Drawings

Fig. 1 is a top view of a fan impeller assembly device for a narrow site according to the present invention;

fig. 2 is a schematic diagram illustrating an assembly apparatus for a fan impeller in a narrow space according to the present invention;

fig. 3 is the utility model relates to a fixed ring structure schematic diagram of narrow place fan wheel assembly device.

Illustration of the drawings:

1. assembling a foundation; 2. a fixing ring; 3. a connecting pin; 4. a U-shaped bolt; 5. a built-in ring; 6. assembling a transition part; 7. a connecting strip; 8. a hexagon bolt; 9. a support cylinder; 10. a connecting flange; 11. mounting holes; 12. a nut; 13. mounting grooves; 14. a thread groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

According to the utility model discloses an embodiment provides a narrow place fan wheel assembly device.

Referring now to the drawings and the detailed description of the preferred embodiments, as shown in fig. 1-3, a fan impeller assembly apparatus for narrow sites according to an embodiment of the present invention includes an assembly base 1, a fixing ring 2 is integrally cast on a top surface of the assembly base 1, and an inner ring of the fixing ring 2 is welded with a built-in ring 5, a mounting groove 13 is formed on a surface of the built-in ring 5, and a thread groove 14 is formed on an inner side surface of the mounting groove 13, an assembly transition portion 6 is inserted into the fixing ring 2, and a connecting flange 10 is fixed on a top portion of the assembly transition portion 6, a connecting strip 7 is welded on a surface of a lower portion of the assembly transition portion 6, and a hexagon bolt 8 is inserted and connected to one end of the connecting strip 7, one end of the hexagon bolt 8 is threadedly connected to the thread groove of the bolt in the mounting groove 13, a mounting hole 11 is formed on a surface of the fixing ring 2, and a U-shaped bolt 4 is inserted and arranged in the mounting hole 11, a nut 12 is threadedly connected to a thread portion of the U-shaped bolt 4, and a U-shaped end of the U-shaped bolt 4 abuts against the connecting strip 7, and the mounting groove 7, the mounting groove 2 is brought close to the fixing ring 2 of the fixing ring 1, thereby preventing the assembly transition portion 6 from loosening and loosening of the mounting ring 6, the connecting flange 10 arranged at the top of the assembling transition part 6 is convenient to be connected with the impeller through bolts, in the embodiment, as the three blades are arranged on the impeller, the stress of the impeller in each direction is balanced, and no overturning moment exists, so that the impeller only needs to be simply fixed, and great convenience is brought to the installation of the wind turbine;

in one embodiment, the outer ring of the fixing ring 2 is provided with a plurality of connecting feet 3 in a surrounding manner, the connecting feet 3 are welded with the assembly foundation 1, the tensile resistance of the fixing ring 2 can be improved through the connecting feet 3, and the structural strength is high.

In one embodiment, the connecting strips 7 are provided in plurality, and the plurality of connecting strips 7 are welded around the outer surface of the fixing ring 2, which facilitates the installation of the fixing ring 2 by the plurality of connecting strips 7.

In one embodiment, the surface of the inner ring 5 is surrounded by a plurality of mounting grooves 13, and the inner side surfaces of the mounting grooves 13 are all provided with thread grooves 14, so that the mounting grooves 13 can be in one-to-one correspondence with the connecting strips 7 of the fixing ring 2, thereby facilitating the firm mounting of the fixing ring 2.

In one embodiment, the surface of the fixing ring 2 is surrounded by a plurality of groups of mounting holes 11, and each group of mounting holes 11 is internally provided with a U-shaped bolt 4 in an inserted manner, the cross section of each mounting hole 11 is of a T-shaped structure, the firmness of the installation of the connecting strip 7 can be kept through the U-shaped bolts 4, and the fixing of the nut 12 is facilitated through the mounting holes 11 of which the cross sections are of the T-shaped structures.

In one embodiment, the top surface of the assembly foundation 1 is welded with the supporting cylinder 9, the supporting cylinder 9 is in contact with the bottom of the assembly transition part 6, and the supporting cylinder 9 can be used as a bearing structure for installing the assembly transition part 6, so that the installation reliability of the assembly transition part 6 is improved.

In one embodiment, the connecting flange 10 surface on the top of the assembling transition part 6 is provided with a plurality of flange holes in a surrounding manner, and the connecting flange 10 passing through the assembling transition part 6 can be connected with the hub of the impeller so as to facilitate the assembly of the wind power impeller.

The working principle is as follows:

when the wind turbine generator set assembling device is used, the assembling transition part 6 is close to the fixing ring 2 of the assembling foundation 1, a plurality of connecting strips 7 welded to the lower portion of the assembling transition part 6 are all embedded into the mounting groove 13 formed in the surface of the built-in ring 5, then the hexagonal bolts 8 penetrate through the connecting strips 7 and are in threaded connection with the threaded grooves 14 formed in the inner side face of the mounting groove 13, the part of the assembling transition part 6 is embedded into the fixing ring 2, the U-shaped bolts 4 are inserted into the mounting holes 11 formed in the fixing ring 2, the nuts 12 are connected with the threaded portions of the U-shaped bolts 4, the U-shaped bolts 4 abut against the connecting strips 7, the assembling transition part 6 is installed, the reliability of the assembling transition part 6 and the assembling foundation 1 can be improved, the phenomenon that the assembling transition part 6 is loosened due to overlarge bearing is prevented, the connecting flange 10 arranged at the top of the assembling transition part 6 is convenient to connect with the impeller through the bolts, when the wind turbine generator set is installed, the impeller is moved to the place from the fixing ring 2, the wind turbine generator set is sequentially installed, and the wind turbine generator set is narrow.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a narrow place fan wheel assembly device, is including assembling basis (1), its characterized in that: the utility model discloses a bolt, including base (1) and solid fixed ring (2), the integrative pouring of top surface of assembling basis (1) has solid fixed ring (2), and the inner circle welding of solid fixed ring (2) has built-in ring (5), mounting groove (13) have been seted up on the surface of built-in ring (5), and mounting groove (13) medial surface sets up thread groove (14), insert in solid fixed ring (2) and be provided with and assemble transition portion (6), and the top of assembling transition portion (6) is fixed with flange (10), it has connecting strip (7) to assemble transition portion (6) lower part skin weld, and the one end of connecting strip (7) alternates and be connected with hex bolts (8), the one end of hex bolts (8) and the bolt groove threaded connection in mounting groove (13), mounting hole (11) are seted up on the surface of solid fixed ring (2), and the interior interlude of mounting hole (11) is provided with U type bolt (4), the screw thread portion threaded connection of U type bolt (4) has nut (12), and the U type end of U type bolt (4) offsets with connecting strip (7).

2. The narrow site fan impeller assembly device of claim 1, further comprising: the outer lane of solid fixed ring (2) is encircleed and is set up a plurality of connection feet (3), and a plurality of connection feet (3) all with assemble basis (1) and weld mutually.

3. The narrow site fan impeller assembly device of claim 1, further comprising: the connecting strips (7) are arranged in a plurality of numbers, and the connecting strips (7) are welded on the outer surface of the fixing ring (2) in a surrounding mode.

4. The narrow site fan impeller assembly device of claim 1, further comprising: the surface of built-in ring (5) is encircleed and has been seted up a plurality of mounting grooves (13), and threaded groove (14) have all been seted up to a plurality of mounting grooves (13) medial surface.

5. The narrow site fan impeller assembly device of claim 1, further comprising: the surface of the fixing ring (2) is surrounded by a plurality of groups of mounting holes (11), U-shaped bolts (4) are arranged in each group of mounting holes (11) in an alternating mode, and the cross section of each mounting hole (11) is of a T-shaped structure.

6. The narrow site fan impeller assembly device of claim 1, further comprising: the top surface of the assembly foundation (1) is welded with a support cylinder (9), and the support cylinder (9) is in contact with the bottom of the assembly transition part (6).

7. The narrow field fan impeller assembly of claim 1, wherein: and a plurality of flange holes are formed on the surface of the connecting flange (10) at the top of the assembling transition part (6) in a surrounding manner.