CN220926118U - Auxiliary hoisting assembly for crane on tower of wind generating set - Google Patents
Auxiliary hoisting assembly for crane on tower of wind generating set Download PDFInfo
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- CN220926118U CN220926118U CN202322644400.3U CN202322644400U CN220926118U CN 220926118 U CN220926118 U CN 220926118U CN 202322644400 U CN202322644400 U CN 202322644400U CN 220926118 U CN220926118 U CN 220926118U
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- wire rope
- steel wire
- crane
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- 239000000725 suspension Substances 0.000 claims description 22
- 108010066114 cabin-2 Proteins 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides an auxiliary hoisting assembly for a crane on a tower of a wind generating set, which comprises an auxiliary hoisting assembly, a lifting device and a lifting device, wherein the auxiliary hoisting assembly comprises a main boom pulley, a main lifting hook pulley, a pulley block, a steel wire rope and a main power unit, and the pulley block comprises a guide pulley and a plurality of adjusting pulleys; the main boom pulley is arranged at one end of the main boom, which is provided with a main lifting hook, the main lifting hook pulley is arranged on the main lifting hook, the guide pulley is arranged at one end of the main boom, which is connected with the main base, and the plurality of adjusting pulleys are arranged on the main base; one end of the steel wire rope is fixed on the main lifting hook pulley, and the other end of the steel wire rope sequentially bypasses the main lifting hook pulley, the main lifting arm pulley, the guide pulley and the plurality of adjusting pulleys and is connected to a main power unit which is suitable for tensioning or releasing the steel wire rope to lift or lower the main lifting hook. The auxiliary hoisting assembly for the crane on the wind generating set tower provided by the utility model realizes hoisting of the main crane on heavier parts, particularly blades, by reasonably arranging the pulleys and setting the trend of the steel wire rope.
Description
Technical Field
The utility model belongs to the technical field of wind power generation, and particularly relates to an auxiliary hoisting assembly for a crane on a tower of a wind generating set.
Background
A wind power generator set typically includes a tower secured to the ground, a nacelle mounted atop a Yu Datong, a hub mounted to the nacelle, and blades mounted to the hub. With the increasing installed capacity of wind turbines and the increasing service life of wind turbines, wind turbine generator sets need to be replaced with partially damaged components, and particularly need to be replaced with blades.
Because the blades are heavy and the height of the tower barrel is higher, at present, a large-sized automobile crane is adopted for blade replacement of a general wind generating set, a crawler crane is required to be adopted for a high-tower fan with a large megawatt to complete blade replacement, and a landing leg ship is required to be used for blade replacement of an offshore wind driven generator. However, the use of large hoisting equipment not only generates high hoisting costs, but also is subject to environmental conditions.
Accordingly, there is a need to provide an auxiliary hoisting assembly for a crane on a tower of a wind turbine generator system for solving the above-mentioned problems.
Disclosure of utility model
The utility model provides an auxiliary hoisting assembly for a crane on a wind generating set tower, which realizes hoisting of heavier parts, particularly blades, under the condition of not using large hoisting equipment by reasonably arranging pulleys and setting the trend of a steel wire rope, has the advantages of low hoisting cost, small occupied area, little greening damage, high response speed and the like, and is particularly suitable for high-tower fans, offshore fans and fans in remote areas where large cranes are scarce.
In order to achieve the above purpose, the present utility model provides the following technical solutions.
The auxiliary hoisting assembly is used for a tower crane of the wind generating set, the wind generating set comprises a tower barrel fixed on the ground and a cabin arranged at the top of the tower barrel, the tower crane comprises a main crane, the main crane is arranged on the cabin and comprises a main base and a main suspension arm, one end of the main suspension arm is movably connected with the main base, and the other end of the main suspension arm is provided with a main lifting hook;
The auxiliary hoisting assembly comprises a main boom pulley, a main hook pulley, a pulley block, a steel wire rope and a main power unit, wherein the pulley block comprises a guide pulley and a plurality of adjusting pulleys;
The main suspension arm pulley is arranged at one end of the main suspension arm, provided with the main suspension hook, the main suspension hook pulley is arranged on the main suspension hook, the guide pulley is arranged at one end of the main suspension arm, connected with the main base, and the plurality of adjustment pulleys are arranged on the main base;
One end of the steel wire rope is fixed on the main lifting hook pulley, the other end of the steel wire rope sequentially bypasses the main lifting hook pulley, the main lifting arm pulley, the guide pulley and the plurality of adjusting pulleys to be connected to the main power unit, and the main power unit is suitable for tensioning or releasing the steel wire rope to lift or put down the main lifting hook.
Preferably, a plurality of first sliding grooves are formed in the outer wall of the main boom pulley along the circumferential direction, a second sliding groove matched with the first sliding groove is formed in the outer wall of the main boom pulley along the circumferential direction, one end of the steel wire rope is fixed to the main boom pulley, the other end of the steel wire rope is wound around the main boom pulley and the main boom pulley along the second sliding groove and the first sliding groove in a plurality of circles in sequence, and then the guide pulley and the plurality of adjusting pulleys are wound around the main boom pulley in sequence to be connected to the main power unit.
Preferably, the plurality of adjustment pulleys are used for adjusting the trend of wire rope, the adjustment pulleys include first pulley, second pulley, third pulley and fourth pulley, first pulley set up in the top of main base one side, the second pulley set up in the middle part of main base, the third pulley set up in the bottom center of main base, the fourth pulley set up in one side outside the main base bottom.
Preferably, the first pulley, the second pulley and the lock third pulley are each mounted to the main base through a pulley shaft provided at the center thereof, and a plurality of the pulley shafts are arranged in parallel.
Preferably, the fourth pulley is arranged on a pulley mounting bracket which is fixed at the bottom of one side of the main base, which is close to the main boom.
Preferably, the main power unit includes a hoist or winch, and the main power unit is fixed to the bottom of the tower.
Compared with the prior art, the technical scheme of the embodiment of the utility model has the beneficial effects.
According to the auxiliary hoisting assembly for the crane on the wind generating set tower, the main boom pulley is arranged on the main boom, the main lifting hook pulley is arranged on the main lifting hook and is used as the movable pulley corresponding to the main boom pulley when the main crane is hoisted, so that the tension on the steel wire rope when the main crane is hoisted is reduced, and the structural requirement on the main crane is lowered;
Further, a plurality of first sliding grooves are formed in the circumferential direction of the outer wall of the main boom pulley, a plurality of second sliding grooves are formed in the circumferential direction of the outer wall of the main lifting hook pulley correspondingly, and the steel wire rope is wound around the main boom pulley and the main lifting hook pulley in a plurality of circles, so that the pulling force on the steel wire rope during lifting of the main crane is reduced, and the requirement on a main power unit is lowered;
Further, by arranging the adjusting pulleys, the steel wire rope is guided to the ground, so that enough space is ensured to install a large-sized main power unit, and the purpose of replacing a heavier large-sized blade is achieved.
Drawings
FIG. 1 is a schematic structural view of an auxiliary hoist assembly for a wind turbine tower crane in accordance with an embodiment of the present utility model;
FIG. 2 is a schematic illustration of a main boom sheave, a main hook sheave, and a wire rope connection for an auxiliary hoist assembly of a wind turbine tower crane in an embodiment of the utility model;
FIG. 3 is yet another schematic illustration of a main boom sheave, main hook sheave and wire rope connection for an auxiliary hoist assembly of a wind turbine tower crane in accordance with an embodiment of the present utility model.
Reference numerals illustrate:
1. a tower; 2. a nacelle; 3. a main crane;
31. A main base; 32. a main boom; 324. a main boom pulley; 34. a main hook; 341. a main hook pulley; 35. a wire rope; 36. pulley block;
361. A guide pulley; 362. a first pulley; 363. a second pulley; 364. a third pulley; 365. a fourth pulley; 38. and a pulley mounting frame.
Detailed Description
In order to make the objects, features and advantageous effects of the present utility model more comprehensible, embodiments accompanied with figures are described in detail below. It is to be understood that the following detailed description is merely illustrative of the utility model, and not restrictive of the utility model. Moreover, the use of the same, similar reference numbers in the figures may indicate the same, similar elements in different embodiments, and descriptions of the same, similar elements in different embodiments, as well as descriptions of prior art elements, features, effects, etc. may be omitted.
Referring to fig. 1 and 2, an embodiment of the present utility model provides an auxiliary hoist assembly for a wind turbine tower crane.
Specifically, the wind generating set comprises a tower 1 fixed on the ground and a cabin 2 arranged at the top of the tower 1, wherein the tower crane comprises a main crane 3, the main crane 3 is arranged on the cabin 2, the main crane 3 comprises a main base 31 and a main suspension arm 32, one end of the main suspension arm 32 is movably connected with the main base 31, and the other end of the main suspension arm 32 is provided with a main suspension hook 34;
The auxiliary hoisting assembly comprises a main boom pulley 324, a main hook pulley 341, a pulley block 36, a wire rope 35 and a main power unit, the pulley block 36 comprising a guide pulley 361 and a plurality of adjustment pulleys;
The main boom pulley 324 is mounted at one end of the main boom 32 where the main hook 34 is provided, the main hook pulley 341 is provided on the main hook 34, the guide pulley 361 is provided at one end of the main boom 32 where the main base 31 is connected, and the plurality of adjustment pulleys are provided on the main base 31;
One end of the wire rope 35 is fixed to the main hook pulley 341, and the other end is connected to a main power unit, which is adapted to tighten or release the wire rope 35 to hoist or lower the main hook 34, by sequentially bypassing the main hook pulley 341, the main boom pulley 324, the guide pulley 361, and the plurality of adjustment pulleys.
In a specific implementation, the outer wall of the main boom pulley 324 is provided with a plurality of first sliding grooves along the circumferential direction, the outer wall of the main boom pulley 341 is provided with a second sliding groove matched with the first sliding grooves along the circumferential direction, one end of the wire rope 35 is fixed on the main boom pulley 341, and the other end sequentially winds around the guide pulley 361 and the plurality of adjustment pulleys after sequentially winding the main boom pulley 341 and the main boom pulley 324 for a plurality of turns along the second sliding groove and the first sliding groove, and is connected to the main power unit.
In some embodiments, the guide pulleys 361 are at least 1, preferably two, in number, and serve to guide the wire rope 35 from one end of the main boom 32 away from the main base 31 to the other end.
In some embodiments, the plurality of adjusting pulleys are used for adjusting the trend of the steel wire rope 35, the adjusting pulleys include a first pulley 362, a second pulley 363, a third pulley 364 and a fourth pulley 365, the first pulley 362 is disposed at the top of one side of the main base 31, the second pulley 363 is disposed at the middle of the main base 31, the third pulley 364 is disposed at the bottom center of the main base 31, and the fourth pulley 365 is disposed at one side outside the bottom of the main base 31.
In some embodiments, the first pulley 362, the second pulley 363, and the third pulley 364 are each mounted to the main base 31 by a pulley shaft disposed at the center thereof, with the plurality of pulley shafts being disposed in parallel.
In some embodiments, the fourth pulley 365 is disposed on a pulley mount 38, the pulley mount 38 being fixed to the bottom of the side of the main base 31 that is closer to the main boom 32.
In some embodiments, the main power unit is fixed to the bottom of the tower 1; the main power unit is a winch or a winch.
In summary, according to the auxiliary hoisting assembly for the crane on the wind generating set tower, provided by the embodiment of the utility model, the main boom pulley is arranged on the main boom, the main hook pulley is arranged on the main hook and is used as the movable pulley corresponding to the main boom pulley when the main crane is hoisted, so that the tension on the steel wire rope when the main crane is hoisted is reduced, and the structural requirement on the main crane is lowered;
Further, a plurality of first sliding grooves are formed in the circumferential direction of the outer wall of the main boom pulley, a plurality of second sliding grooves are formed in the circumferential direction of the outer wall of the main lifting hook pulley correspondingly, and the steel wire rope is wound around the main boom pulley and the main lifting hook pulley in a plurality of circles, so that the pulling force on the steel wire rope during lifting of the main crane is reduced, and the requirement on a main power unit is lowered;
Further, by arranging the adjusting pulleys, the steel wire rope is guided to the ground, so that enough space is ensured to install a large-sized main power unit, and the purpose of replacing a heavier large-sized blade is achieved.
Although specific embodiments have been described above, these embodiments are not intended to limit the scope of the disclosure, even where only a single embodiment is described with respect to a particular feature. The characteristic examples provided in the present disclosure are intended to be illustrative, not limiting, unless stated differently. In practice, the features of one or more of the dependent claims may be combined with the features of the independent claims where technically possible, according to the actual needs, and the features from the respective independent claims may be combined in any appropriate way, not merely by the specific combinations enumerated in the claims.
Claims (6)
1. The auxiliary hoisting assembly is used for a tower crane of the wind generating set, the wind generating set comprises a tower barrel fixed on the ground and a cabin arranged at the top of the tower barrel, the tower crane comprises a main crane, and the main crane is arranged on the cabin, and the auxiliary hoisting assembly is characterized in that the main crane comprises a main base and a main suspension arm, one end of the main suspension arm is movably connected with the main base, and the other end of the main suspension arm is provided with a main lifting hook;
The auxiliary hoisting assembly comprises a main boom pulley, a main hook pulley, a pulley block, a steel wire rope and a main power unit, wherein the pulley block comprises a guide pulley and a plurality of adjusting pulleys;
The main suspension arm pulley is arranged at one end of the main suspension arm, provided with the main suspension hook, the main suspension hook pulley is arranged on the main suspension hook, the guide pulley is arranged at one end of the main suspension arm, connected with the main base, and the plurality of adjustment pulleys are arranged on the main base;
One end of the steel wire rope is fixed on the main lifting hook pulley, the other end of the steel wire rope sequentially bypasses the main lifting hook pulley, the main lifting arm pulley, the guide pulley and the plurality of adjusting pulleys to be connected to the main power unit, and the main power unit is suitable for tensioning or releasing the steel wire rope to lift or put down the main lifting hook.
2. The auxiliary hoisting assembly for a tower crane of a wind generating set according to claim 1, wherein a plurality of first sliding grooves are circumferentially arranged on the outer wall of the main boom pulley, a second sliding groove matched with the first sliding groove is circumferentially arranged on the outer wall of the main boom pulley, one end of the steel wire rope is fixed on the main boom pulley, and the other end of the steel wire rope is wound around the main boom pulley and the main boom pulley along the second sliding groove and the first sliding groove in a plurality of turns in sequence and then sequentially bypasses the guide pulley and the plurality of adjusting pulleys to be connected to the main power unit.
3. The auxiliary hoisting assembly for a tower crane of a wind turbine generator system according to claim 1, wherein a plurality of the adjustment pulleys are used for adjusting the trend of the steel wire rope, the adjustment pulleys comprise a first pulley, a second pulley, a third pulley and a fourth pulley, the first pulley is arranged at the top of one side of the main base, the second pulley is arranged at the middle of the main base, the third pulley is arranged at the bottom center of the main base, and the fourth pulley is arranged at one side outside the bottom of the main base.
4. An auxiliary hoisting assembly for a wind turbine tower crane according to claim 3, wherein the first pulley, the second pulley and the third pulley are each mounted to the main foundation by a pulley shaft arranged in the center thereof, a plurality of the pulley shafts being arranged in parallel.
5. An auxiliary hoist assembly for a tower crane of a wind turbine generator system according to claim 3, wherein the fourth pulley is arranged on a pulley mount fixed to the bottom of the main foundation at a side thereof adjacent to the main boom.
6. The auxiliary hoist assembly for a wind turbine tower crane of claim 1, characterized in that the main power unit includes a hoist or winch, the main power unit being secured to the bottom of the tower.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322644400.3U CN220926118U (en) | 2023-09-28 | 2023-09-28 | Auxiliary hoisting assembly for crane on tower of wind generating set |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322644400.3U CN220926118U (en) | 2023-09-28 | 2023-09-28 | Auxiliary hoisting assembly for crane on tower of wind generating set |
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CN220926118U true CN220926118U (en) | 2024-05-10 |
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Family Applications (1)
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CN202322644400.3U Active CN220926118U (en) | 2023-09-28 | 2023-09-28 | Auxiliary hoisting assembly for crane on tower of wind generating set |
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2023
- 2023-09-28 CN CN202322644400.3U patent/CN220926118U/en active Active
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