CN218754587U - Cabin lifting appliance for wind turbine generator - Google Patents

Abstract

The utility model discloses an cabin hoist for wind turbine generator system, including main hoist subassembly and round pin axle subassembly, bearing frame and after-frame are installed through the cooperation of round pin axle subassembly to main hoist subassembly, main hoist subassembly includes main suspender, the lifting hook, the hanging beam, two preceding suspender subassemblies, two back suspender subassemblies, spacing adjustable subassembly and supplementary adjusting device, main suspender one end sets up on the hanging beam, the main suspender other end is connected with the lifting hook, two preceding suspender subassemblies and two back suspender subassemblies symmetry respectively set up both ends around the hanging beam, two preceding suspender subassemblies are fixed respectively at two preceding suspender subassemblies terminally, spacing adjustable subassembly sets up in the front on the suspender subassembly, supplementary adjusting device sets up in the front between suspender subassembly and the first frame supporting component, this cabin hoist has effectually reduced manufacturing cost, the installation time has been shortened, the installation accuracy has been improved, effectively reduce the dead weight of hoist.

Description

Cabin lifting appliance for wind turbine generator

Technical Field

The utility model belongs to the technical field of wind turbine generator system, especially, relate to an cabin hoist for wind turbine generator system.

Background

With the adoption of the wind generating set with high megawatt as the mainstream of the industry, in order to improve the generating capacity, the wind generating set equipment with a high tower and a large wind wheel is generally adopted.

The scheme of hoisting a main shaft flange or a locking pin hole, hoisting an upper cover plate of a main frame and vertically hoisting a bearing seat lifting lug (a lifting appliance is only matched with a shackle) in the traditional hoisting mode of the front part of the wind power cabin. For the design scheme of the oil-lubricated main shaft bearing, the traditional cabin arrangement scheme, such as hoisting a main shaft flange or locking pin holes, has great influence on the precision of the main shaft bearing; the length and the weight of a sling can be increased by hoisting the upper cover plate of the main frame, so that the manufacturing cost and the field hoisting difficulty can be increased; the scheme of vertically hoisting the bearing block lifting lug (the lifting appliance is only matched with a shackle) is only suitable for a small megawatt wind turbine generator because the load is relatively small.

For large wind turbines, particularly offshore wind turbines, a main shaft bearing adopts an oil-lubricated large wind turbine engine room arrangement scheme, and the traditional engine room hoisting mode influences the precision, hoisting weight and manufacturing cost of the main shaft bearing.

SUMMERY OF THE UTILITY MODEL

For solving the part or whole technical problem that exist among the above-mentioned prior art, the utility model provides an cabin hoist for wind turbine generator system, the cabin hoist cooperates in wind turbine generator system cabin device, hoists the wind turbine generator system cabin, wind turbine generator system cabin device includes cabin cover, cabin overhead guard curved surface long circle hoisting hole, cabin overhead guard hoisting hole, bearing frame lug plate, after-frame lug, first frame supporting component and second frame supporting component, a serial communication port, the cabin hoist includes main hoist subassembly and round pin axle subassembly, main hoist subassembly passes through the cooperation of round pin axle subassembly is installed the bearing frame with in the after-frame, wherein:

the main lifting appliance assembly comprises a main lifting belt, a lifting hook, a lifting beam, two front lifting belt assemblies, two front lifting plate assemblies, two rear lifting belt assemblies, a limiting adjustable assembly and an auxiliary adjusting device, wherein one end of the main lifting belt is arranged on the lifting beam, the other end of the main lifting belt is connected with the lifting hook, the two front lifting belt assemblies and the two rear lifting belt assemblies are symmetrically arranged at the front end and the rear end of the lifting beam respectively, the two front lifting plate assemblies are fixed at the tail ends of the two front lifting belt assemblies respectively, the limiting adjustable assembly is arranged on the front lifting plate assemblies, and the auxiliary adjusting device is arranged between the front lifting plate assemblies and the first frame supporting assembly;

the pin shaft assembly comprises a pin shaft supporting device, an asymmetric curved surface supporting plate, a connecting pin shaft, a hanging rope, an eccentric handle and an irregular flange, wherein the pin shaft supporting device is arranged on one side of the bottom of the front hanging plate, the asymmetric curved surface supporting plate is arranged on the pin shaft supporting device, the connecting pin shaft is arranged on the asymmetric curved surface supporting plate, the eccentric handle is arranged at the bottom of the connecting pin shaft, the irregular flange is arranged at the top of the connecting pin shaft, and the connecting pin shaft and the front hanging plate are fixedly connected through the hanging rope.

Further, in the nacelle hanger for the wind turbine generator, the front hanger plate assembly includes a middle hanger plate, two side hanger plates and a fixed pin, the two side hanger plates are symmetrically welded to two sides of the middle hanger plate, and the two side hanger plates and the middle hanger plate are reinforced by the fixed pin.

Further, in the nacelle hanger for the wind turbine generator, the adjustable limiting component comprises a radial adjustable limiting component and an axial adjustable limiting component, the radial adjustable limiting component is fixed at the bottom of the side hanger plate through a bolt, and the axial adjustable limiting component is fixed at one side of the side hanger plate through a bolt.

Further, in the nacelle hanger for the wind turbine generator system, the two connecting shaft holes are symmetrically formed in the middle of the side hanging plate, the diameter of each connecting shaft hole is matched with the corresponding connecting pin shaft, and the asymmetric curved surface supporting plate corresponds to and is coaxial with the corresponding connecting shaft hole.

Further, in the nacelle hanger for the wind turbine, the two front hanger plate assemblies are respectively matched with the two bearing pedestal hanger plates of the nacelle device of the wind turbine, and the connecting pin shaft penetrates through the front hanger plate assemblies and is connected with the bearing pedestal hanger plates.

Further, in the nacelle hanger for the wind turbine generator, the two rear sling assemblies are respectively matched with the two rear frame lifting lugs of the nacelle device of the wind turbine generator, and the rear sling assemblies are connected with the rear frame lifting lugs through shackle assemblies.

Further, in the nacelle hanger for the wind turbine generator, the auxiliary adjusting device is fixed to the first frame supporting component of the nacelle device for the wind turbine generator, and an adjusting end of the auxiliary adjusting device is connected with the front hanger plate component through a bolt.

Further, in the nacelle hanger for the wind turbine generator, the hanging beam is of an i-shaped structure, a multi-pin assembly is arranged in the middle of the hanging beam, and the hanging beam is connected with the main hanging strip through the multi-pin assembly.

The utility model discloses an engine room hoist for wind turbine generator system has following advantage and beneficial effect:

(1) The requirement for hoisting load of the large wind turbine generator cabin is effectively met;

(2) The self weight of the lifting appliance is effectively reduced, and the stability and reliability during lifting are improved;

(3) The installation efficiency of hoist and unit cabin has been effectually improved to angle regulation and position of being convenient for.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only used for further understanding of the embodiments of the present invention and constitute a part of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts. In the drawings:

fig. 1 is a schematic view of a wind turbine nacelle and a nacelle spreader of a nacelle spreader for a wind turbine according to the present invention;

fig. 2 is a schematic view of a wind turbine nacelle overlooking structure of a nacelle hanger for a wind turbine of the present invention;

fig. 3 is a schematic diagram of a state in which a wind turbine generator nacelle and a nacelle hanger of the nacelle hanger for a wind turbine generator of the present invention are mutually engaged;

FIG. 4 is an enlarged view of B in FIG. 3;

fig. 5 is a schematic structural diagram of a main spreader component of a nacelle spreader for a wind turbine generator system according to the present invention;

FIG. 6 is an enlarged schematic view of I in FIG. 1;

fig. 7 is a left side view of a front hanger plate assembly of a nacelle hanger for a wind turbine generator according to the present invention;

fig. 8 is a schematic structural view of a pin shaft assembly of a nacelle hanger for a wind turbine generator according to the present invention;

fig. 9 is a left side view of the pin shaft assembly of the nacelle hanger for the wind turbine generator of the present invention;

fig. 10 is a schematic view of the installation of the pin shaft assembly of the nacelle hanger for the wind turbine generator system of the present invention.

Description of the reference numerals:

1: wind turbine generator system cabin, 11: nacelle cover, 12: cabin top cover curved surface oblong hoisting hole, 13: cabin top cover hoisting hole, 14: bearing seat, 15: bearing block lug plate, 16: rear chassis, 17: rear frame lifting lug, 18: first frame support assembly, 19: a second frame support assembly;

2: a cabin sling;

3: main spreader assembly, 31: main harness, 32: a lifting hook,

33: hanging beam, 331: a multi-pin component,

34: a front sling component,

35: front hanger plate assembly, 351: middle hanger plate, 352: side hanger plate, 353: connection shaft hole, 354: a fixed pin shaft,

36: a rear sling component,

37: spacing adjustable subassembly, 371: radial spacing adjustable subassembly, 372: an axial limit adjustable component,

38: an auxiliary adjustment device;

4: pin shaft assembly, 41: pin shaft supporting device, 42: asymmetric curved surface support plate, 43: connecting pin shaft, 44: hanging rope, 45: eccentric handle, 46: and (4) irregular flanges.

Detailed Description

To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 10, the utility model discloses a cabin hoist for wind turbine generator system, cabin hoist 2 cooperates in 1 device in wind turbine generator system cabin, hoist wind turbine generator system cabin 1, 1 device in wind turbine generator system cabin includes cabin cover 11, cabin overhead cover curved surface long circle hoisting hole 12, cabin overhead cover hoisting hole 13, bearing frame 14, bearing frame lug plate 15, after-frame 16, after-frame lug 17, first frame supporting component 18 and second frame supporting component 19, a serial communication port, cabin hoist 2 includes main hoist subassembly 3 and round pin axle subassembly 4, on bearing frame 14 and after-frame 16 were installed through the cooperation of round pin axle subassembly 4 to main hoist subassembly 3, wherein:

the main lifting appliance component 3 comprises a main lifting belt 31, a lifting hook 32, a lifting beam 33, two front lifting belt components 34, two front lifting plate components 35, two rear lifting belt components 36, a limit adjustable component 37 and an auxiliary adjusting device 38, one end of the main lifting belt 31 is arranged on the lifting beam 33, the other end of the main lifting belt 31 is connected with the lifting hook 32, the two front lifting belt components 34 and the two rear lifting belt components 36 are symmetrically arranged at the front end and the rear end of the lifting beam 33 respectively, the two front lifting plate components 35 are fixed at the tail ends of the two front lifting belt components 34 respectively, the limit adjustable component 37 is arranged on the front lifting plate component 35, and the auxiliary adjusting device 38 is arranged between the front lifting plate components 35 and the first frame supporting component 18;

the pin shaft assembly 4 comprises a pin shaft supporting device 41, an asymmetric curved surface supporting plate 42, a connecting pin shaft 43, a hanging rope 44, an eccentric handle 45 and an irregular flange 46, the pin shaft supporting device 41 is arranged on one side of the bottom of the front hanging plate, the asymmetric curved surface supporting plate 42 is arranged on the pin shaft supporting device 41, the connecting pin shaft 43 is arranged on the asymmetric curved surface supporting plate 42, the eccentric handle 45 is arranged at the bottom of the connecting pin shaft 43, the irregular flange 46 is arranged at the top of the connecting pin shaft 43, and the connecting pin shaft 43 and the front hanging plate are fixedly connected through the hanging rope 44.

Further, the utility model discloses an among the cabin hoist for wind turbine generator system, preceding hanger plate subassembly 35 includes middle part hanger plate 351, two side hanger plates 352 and fixed pin axle 354, and two side hanger plate 352 symmetry welds in middle part hanger plate 351 both sides, and consolidate through fixed pin axle 354 between two side hanger plates 352 and the middle part hanger plate 351, practice thrift manufacturing material to effectively reduced manufacturing cost, the fail safe nature of preceding hanger plate subassembly 35 when lifting by crane wind turbine generator system cabin 1 has been guaranteed through the reinforcement of fixed pin axle 354 simultaneously.

Further, the utility model discloses an among the cabin hoist for wind turbine generator system, spacing adjustable subassembly 37 includes radial spacing adjustable subassembly 371 and the spacing adjustable subassembly 372 of axial, and radial spacing adjustable subassembly 371 passes through the bolt fastening in side hanger plate 352 bottom, and the spacing adjustable subassembly 372 of axial passes through the bolt fastening in side hanger plate 352 one side, and effectual supplementary hoist and cabin quick location to effectively guaranteed that hoist and cabin can be accurate be connected.

Further, the utility model discloses an among the cabin hoist for wind turbine generator system, side hanger plate 352 middle part symmetry is provided with two connection shaft hole 353, connects shaft hole 353 diameter and matches in connecting pin axle 43, and asymmetric curved surface backup pad 42 corresponds and coaxial with connection shaft hole 353, has guaranteed that connecting pin axle 43 can make hoist and wind turbine generator system cabin 1 be connected fast, has effectively shortened installation time.

Further, the utility model discloses an in the cabin hoist for wind turbine generator system, two preceding hanger plate subassemblies 35 cooperate respectively in two bearing frame lug plates of wind turbine generator system cabin 1 device, and connecting pin 43 passes preceding hanger plate subassembly 35 and is connected with the bearing frame lug plate.

Further, the utility model discloses an in the cabin hoist for wind turbine generator system, two back suspender subassemblies 36 cooperate respectively in wind turbine generator system cabin 1 device back frame lug 17, back suspender subassembly 36 is connected with back frame lug 17 through the subassembly of breaking out.

Further, the utility model discloses an in the cabin hoist for wind turbine generator system, supplementary adjusting device 38 is fixed on the first frame supporting component 18 of 1 device in wind turbine generator system cabin, and supplementary adjusting device 38's adjustment end and preceding hanger plate subassembly 35 bolted connection make preceding hanger plate subassembly 34 can carry out the adjustment of angle and position, have effectively improved the installation accuracy.

Further, the utility model discloses an among the cabin hoist for wind turbine generator system, hanging beam 33 is i-shaped structure, and hanging beam 33 middle part is provided with the multipin subassembly, is connected through the multipin subassembly between hanging beam 33 and the main suspender 31, effectively reduces the dead weight of hoist.

Specifically, the front sling assembly 34 and the rear sling assembly 36 respectively penetrate through the cabin top cover curved surface oblong hoisting hole 12 and the cabin top cover hoisting hole 13, so that the front sling assembly 34, the front hanger plate assembly 35 and the rear sling assembly 36 are arranged inside the cabin cover 11, the position and the angle of the front hanger plate assembly 35 are adjusted through the auxiliary adjusting device 38, and meanwhile, the front hanger plate assembly 35 is limited by means of the radial limiting assembly and the axial limiting assembly.

As shown in fig. 8 to 10, at this time, the hanging rope 44 is detached, the connecting pin 43 is placed on the asymmetric curved surface support plate 42, at this time, the eccentric handle 45 does not interfere with the asymmetric curved surface support plate 42, the curved surface of the asymmetric curved surface support plate 42 can both support the connecting pin 43 and keep the center of gravity of the connecting pin 43 in the curved surface region according to the curved surface region, then, the connecting pin 43 is pushed into the connecting shaft hole 353, so that the front hanger plate assembly 35 is connected with the bearing seat hanger plate 15 on the bearing seat 14, at this time, the irregular flange 46 does not interfere with the asymmetric curved surface support plate 42, and at the same time, the rear hanger assembly 36 is connected with the rear frame hanger 17 on the rear frame 16 through the shackle assembly, so that the hanger is connected with the wind turbine generator set nacelle 1.

To sum up, compare with prior art, the utility model discloses an cabin hoist for wind turbine generator system has following advantage and beneficial effect:

(1) The two side hanging plates are symmetrically welded on the two sides of the middle hanging plate, and the two side hanging plates and the middle hanging plate are reinforced through the fixed pin shaft, so that the manufacturing material is saved, the manufacturing cost is effectively reduced, and the safety and reliability of the front hanging plate assembly when the nacelle of the wind turbine generator set is lifted are guaranteed through the reinforcement of the fixed pin shaft;

(2) The auxiliary lifting appliance and the engine room are effectively and quickly positioned through the limiting adjustable component, so that the lifting appliance and the engine room can be effectively and accurately connected;

(3) The installation time is effectively shortened by the arrangement of the asymmetric curved surface supporting plate;

(4) The angle and the position of the front hanging plate assembly are adjusted through the arrangement of the auxiliary adjusting device, so that the mounting precision is effectively improved, and manual assistance is reduced;

(5) The lifting beam is of an I-shaped structure, and the middle part of the lifting beam is provided with the multi-pin assembly, so that the dead weight of the lifting appliance is effectively reduced.

It is noted that, unless expressly stated or limited otherwise, the term "coupled" or its synonymous is intended to mean "coupled", as used herein, including, for example, fixedly attached or removably attached; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other or the two elements can interact with each other, so that the specific meaning of the terms in the invention can be understood according to specific situations by a person skilled in the art. Moreover, expressions such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation without necessarily requiring or implying any actual such relationship or order between such entities or operations. Meanwhile, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. In addition, "front", "rear", "left", "right", "upper" and "lower" in this document are referred to the placement states shown in the drawings.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting 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 technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (8)

1. The utility model provides a cabin hoist for wind turbine generator system, the cabin hoist cooperates in wind turbine generator system cabin device, hoists the wind turbine generator system cabin, wind turbine generator system cabin device includes cabin cover, cabin overhead guard curved surface obround hole of hoist, cabin overhead guard hole of hoist, bearing frame lifting lug board, after-frame lug, first frame supporting component and second frame supporting component, its characterized in that, the cabin hoist includes main hoist subassembly and round pin axle assembly, main hoist subassembly through the cooperation of round pin axle assembly is installed the bearing frame with on the after-frame, wherein:

the main lifting appliance assembly comprises a main lifting belt, a lifting hook, a lifting beam, two front lifting belt assemblies, two front lifting plate assemblies, two rear lifting belt assemblies, a limiting adjustable assembly and an auxiliary adjusting device, wherein one end of the main lifting belt is arranged on the lifting beam, the other end of the main lifting belt is connected with the lifting hook, the two front lifting belt assemblies and the two rear lifting belt assemblies are symmetrically arranged at the front end and the rear end of the lifting beam respectively, the two front lifting plate assemblies are fixed at the tail ends of the two front lifting belt assemblies respectively, the limiting adjustable assembly is arranged on the front lifting plate assemblies, and the auxiliary adjusting device is arranged between the front lifting plate assemblies and the first frame supporting assembly;

the pin shaft assembly comprises a pin shaft supporting device, an asymmetric curved surface supporting plate, a connecting pin shaft, a hanging rope, an eccentric handle and an irregular flange, wherein the pin shaft supporting device is arranged on one side of the bottom of the front hanging plate, the asymmetric curved surface supporting plate is arranged on the pin shaft supporting device, the connecting pin shaft is arranged on the asymmetric curved surface supporting plate, the eccentric handle is arranged at the bottom of the connecting pin shaft, the irregular flange is arranged at the top of the connecting pin shaft, and the connecting pin shaft and the front hanging plate are fixedly connected through the hanging rope.

2. The nacelle hanger for wind turbines according to claim 1, wherein the front hanger plate assembly comprises a middle hanger plate, two side hanger plates and a fixed pin, the two side hanger plates are symmetrically welded to two sides of the middle hanger plate, and the two side hanger plates and the middle hanger plate are reinforced by the fixed pin.

3. The nacelle spreader for wind turbines according to claim 2, wherein the adjustable limit component comprises a radial adjustable limit component and an axial adjustable limit component, the radial adjustable limit component is fixed at the bottom of the side hanging plate through a bolt, and the axial adjustable limit component is fixed at one side of the side hanging plate through a bolt.

4. The nacelle hanger for wind turbine generator according to claim 2, wherein two connecting shaft holes are symmetrically formed in the middle of the side hanger plate, the diameter of each connecting shaft hole is matched with the corresponding connecting pin shaft, and the asymmetric curved support plate corresponds to and is coaxial with the corresponding connecting shaft hole.

5. The nacelle hanger for a wind turbine according to claim 4, wherein the two front hanger plate assemblies are respectively fitted to the two bearing housing hanger plates of the wind turbine nacelle device, and the connecting pin passes through the front hanger plate assemblies and is connected with the bearing housing hanger plates.

6. The nacelle spreader for a wind turbine according to claim 1, wherein the two rear harness assemblies are respectively fitted to the two rear frame lifting eyes of the nacelle device of the wind turbine, the rear harness assemblies being connected to the rear frame lifting eyes by means of shackle assemblies.

7. The nacelle spreader for a wind turbine as claimed in claim 1, wherein the auxiliary adjustment device is fixed to the first frame support assembly of the wind turbine nacelle apparatus, an adjustment end of the auxiliary adjustment device being bolted to the front hanger plate assembly.

8. The nacelle spreader for wind turbines according to claim 1, wherein said beam is of an i-shaped structure, a multi-pin assembly is provided in the middle of said beam, and said beam and said main harness are connected by said multi-pin assembly.

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