CN223852157U - Lifting device of crane on tower - Google Patents
Lifting device of crane on towerInfo
- Publication number
- CN223852157U CN223852157U CN202520409159.2U CN202520409159U CN223852157U CN 223852157 U CN223852157 U CN 223852157U CN 202520409159 U CN202520409159 U CN 202520409159U CN 223852157 U CN223852157 U CN 223852157U
- Authority
- CN
- China
- Prior art keywords
- pulley block
- lifting
- crane
- tower
- wire rope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Jib Cranes (AREA)
Abstract
本实用新型提供一种塔上吊机提升装置，包括安装座、支架、吊架和钢丝绳；安装座固定在机舱的顶部，支架安装在安装座上，吊架设置在支架的顶部，吊架上设置有吊装滑轮组；塔上吊机的后端设置有起升滑轮组，塔上吊机竖直设置时，起升滑轮组与吊装滑轮组相对设置；吊装滑轮组包括同轴设置的至少一个吊装滑轮，起升滑轮组包括同轴设置的至少一个起升滑轮；塔上吊机的吊臂上设置有导向滑轮组；提升塔上吊机时，钢丝绳的一端固定在塔上吊机或者吊架上，另一端穿过起升滑轮组、吊装滑轮组和导向滑轮组后连接到设置于风机塔下的动力单元；动力单元收紧钢丝绳以提升塔上吊机。
This utility model provides a tower crane lifting device, including a mounting base, a bracket, a hanger, and a wire rope. The mounting base is fixed to the top of the nacelle, the bracket is mounted on the mounting base, the hanger is set on the top of the bracket, and a lifting pulley block is provided on the hanger. A hoisting pulley block is provided at the rear end of the tower crane. When the tower crane is set vertically, the hoisting pulley block and the lifting pulley block are arranged opposite to each other. The hoisting pulley block includes at least one hoisting pulley arranged coaxially, and the hoisting pulley block includes at least one hoisting pulley arranged coaxially. A guide pulley block is provided on the boom of the tower crane. When lifting the tower crane, one end of the wire rope is fixed to the tower crane or the hanger, and the other end passes through the hoisting pulley block, the lifting pulley block, and the guide pulley block and is connected to a power unit set under the wind turbine tower. The power unit tightens the wire rope to lift the tower crane.
Description
Technical Field
The utility model belongs to the technical field of wind power generation, and particularly relates to a lifting device of a crane on a tower.
Background
With the increasing installed capacity of wind turbines and the increasing annual growth of service life of wind turbines, wind turbine units are required to be replaced with components, in particular blades, and include a tower fixed to the ground, a nacelle mounted atop a Yu Datong, a hub mounted to the nacelle, and blades mounted to the hub.
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.
Therefore, a tower crane for a wind turbine generator is needed, and the tower crane itself is also needed to be hoisted to a cabin to complete installation and fixation for use, so that it is necessary to provide a lifting device for the tower crane to solve the above-mentioned problems.
Disclosure of utility model
The utility model provides a lifting device of a tower crane, which is used for lifting the tower crane by matching a steel wire rope, a lifting pulley block, a guide pulley block and a power unit of the tower crane through a mounting seat, a bracket, a hanging bracket and a lifting pulley block.
In order to achieve the above purpose, the present utility model provides the following technical solutions.
The lifting device of the tower crane comprises a mounting seat, a bracket, a hanging bracket and a steel wire rope, wherein the mounting seat is fixed at the top of a cabin, the bracket is mounted on the mounting seat, the hanging bracket is arranged at the top of the bracket, a lifting pulley block is arranged on the hanging bracket, a lifting pulley block is arranged at the rear end of the tower crane, when the tower crane is vertically arranged, the lifting pulley block is arranged opposite to the lifting pulley block, the lifting pulley block comprises at least one lifting pulley coaxially arranged, and a guiding pulley block is arranged on a suspension arm of the tower crane;
When the tower crane is lifted, one end of the steel wire rope is fixed on the tower crane or the hanger, the other end of the steel wire rope penetrates through the lifting pulley block, the lifting pulley block and the guide pulley block and then is connected to a power unit arranged below the fan tower, and the power unit tightens the steel wire rope to lift the tower crane.
The hoisting pulley blocks are two groups which are arranged side by side, the hoisting pulley blocks are two groups which are arranged corresponding to the hoisting pulley blocks, the guide pulley blocks are two groups, the two groups of the guide pulley blocks are respectively arranged on two sides of a suspension arm of the crane on the tower, the number of the steel wire ropes is two, and the two steel wire ropes respectively and correspondingly penetrate through one group of the hoisting pulley blocks, the hoisting pulley blocks and the guide pulley blocks.
Preferably, the lifting pulley of the lifting pulley block is one, one end of the steel wire rope is fixed to the crane on the tower, the other end of the steel wire rope sequentially penetrates through the lifting pulley block and the guide pulley block and then is connected with the power unit, or one end of the steel wire rope is fixed to the hanging frame, and the other end of the steel wire rope sequentially penetrates through the lifting pulley block, the lifting pulley block and the guide pulley block and then is connected with the power unit.
Preferably, the number of the hoisting pulleys of the hoisting pulley block is two, one hoisting pulley of the hoisting pulley block is one, one end of the steel wire rope is fixed to the crane on the tower, and the other end of the steel wire rope sequentially penetrates through one of the hoisting pulleys, the hoisting pulley, the other hoisting pulley and the guide pulley block and then is connected with the power unit.
Preferably, the number of the hoisting pulleys of the hoisting pulley block is two, one end of the steel wire rope is fixed to the hanger, and the other end sequentially passes through one of the hoisting pulleys, the other one of the hoisting pulleys and the guide pulley block and then is connected with the power unit.
Preferably, the guide pulley block comprises a first guide pulley arranged at the front end of the boom of the crane on the tower and a second guide pulley arranged at the rear end of the boom.
Preferably, the wire rope is connected to the power unit through the second guide pulley and the first guide pulley in sequence.
Preferably, the number of the brackets is two, the two brackets are respectively arranged on two sides of the top of the mounting seat, and the hanging bracket is transversely erected at the front ends of the tops of the two brackets.
Preferably, the bracket comprises a main frame and an extension frame, wherein the main frame is in a herringbone shape as a whole, and the extension frame is fixed at the top of the main frame and extends towards the outside of the front end of the mounting seat.
Preferably, a U-shaped fixing piece is arranged at the top of the bracket, and the end part of the hanging bracket is clamped and arranged in the fixing piece to be fixed.
Compared with the prior art, the technical scheme of the embodiment of the utility model has the beneficial effects.
The lifting device for the tower crane comprises a mounting seat, a support, a hanging frame and a steel wire rope, wherein the mounting seat is fixed at the top of a cabin, the support is mounted on the mounting seat, the hanging frame is arranged at the top of the support, a lifting pulley block is arranged on the hanging frame, a lifting pulley block is arranged at the rear end of the tower crane, when the tower crane is vertically arranged, the lifting pulley block is opposite to the lifting pulley block, the lifting pulley block comprises at least one lifting pulley coaxially arranged, a guide pulley block is arranged on a suspension arm of the tower crane, one end of the steel wire rope is fixed on the tower crane or the hanging frame when the tower crane is lifted, the other end of the steel wire rope penetrates through the lifting pulley block, the lifting pulley block and the guide pulley block and then is connected to a power unit arranged below a fan tower, the power unit tightens up the steel wire rope to lift the tower crane, and the lifting pulley block, when the mounting seat, the support, the hanging frame and the lifting pulley block are matched with the steel wire rope, the lifting pulley block, the guide pulley block and the power unit of the tower crane are used for lifting the tower crane, so that the installation and fixation of the tower crane are facilitated.
Drawings
FIG. 1 is a schematic diagram of a tower crane lifting apparatus for lifting a tower crane in accordance with an embodiment of the present utility model;
FIG. 2 is a schematic view of a portion of a crane lifting assembly on a tower in accordance with an embodiment of the utility model;
FIG. 3 is a schematic view of a tower crane according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of the steel wire rope running when the crane lifting device lifts the crane;
FIG. 5 is a schematic diagram of the rope profile of a crane hoist on a tower in accordance with an embodiment of the present utility model;
FIG. 6 is a second schematic diagram of the rope run of the crane hoist on the tower in accordance with an embodiment of the present utility model;
FIG. 7 is a third schematic diagram of the rope run of a crane hoist on a tower in accordance with an embodiment of the present utility model;
fig. 8 is a schematic diagram of a steel wire rope going to a hoist on a tower in accordance with an embodiment of the present utility model.
Reference numerals illustrate:
1. the device comprises a cabin, a tower crane, a mounting seat, a bracket, a hanging bracket, a steel wire rope and a lifting frame, wherein the cabin is provided with the tower crane;
21. A suspension arm; 22, a lifting pulley block, 221, a lifting pulley block, 23, a guiding pulley block, 231, a first guiding pulley block, 232 and a second guiding pulley block;
41. A fixing member 42, a main frame 43, an extension frame;
51. hoisting pulley blocks, 511, hoisting pulleys.
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 to 8, an embodiment of the present utility model provides a lifting device for a crane on a tower.
Specifically, the lifting device of the overhead crane comprises a mounting seat 3, a bracket 4, a hanging bracket 5 and a steel wire rope 6, wherein the mounting seat 3 is fixed at the top of a cabin 1, the bracket 4 is mounted on the mounting seat 3, the hanging bracket 5 is arranged at the top of the bracket 4, a lifting pulley block 51 is arranged on the hanging bracket 5, a lifting pulley block 22 is arranged at the rear end of the overhead crane 2, when the overhead crane 2 is vertically arranged, the lifting pulley block 22 is opposite to the lifting pulley block 51, the lifting pulley block 51 comprises at least one lifting pulley 511 coaxially arranged, the lifting pulley block 22 comprises at least one lifting pulley 221 coaxially arranged, and a guiding pulley block 23 is arranged on a suspension arm 21 of the overhead crane 2;
When the tower crane 2 is vertically lifted, one end of the steel wire rope 6 is fixed on the tower crane 2 or the hanger 5, the other end of the steel wire rope passes through the lifting pulley block 22, the lifting pulley block 51 and the guide pulley block 23 and then is connected to a power unit arranged below the fan tower, and the power unit tightens the steel wire rope 6 to lift the tower crane 2.
In some embodiments, the hoisting pulley blocks 51 are two groups arranged side by side, the hoisting pulley blocks 22 are two groups arranged corresponding to the hoisting pulley blocks 51, the guiding pulley blocks 23 are two groups, the two groups of guiding pulley blocks 23 are respectively arranged on two sides of the suspension arm 21 of the crane 2 on the tower, the number of the steel wire ropes 6 is two, and the two steel wire ropes 6 respectively and correspondingly pass through one group of the hoisting pulley blocks 22, the hoisting pulley blocks 51 and the guiding pulley blocks 23.
Referring to fig. 5, in some embodiments, the number of hoisting pulleys 511 of the hoisting pulley block 51 is one, the number of hoisting pulleys 221 of the hoisting pulley block 22 is one, one end of the wire rope 6 is fixed to the tower crane 2, the other end of the wire rope passes through the hoisting pulley 511 and the guiding pulley block 23 in sequence and then is connected with a power unit, and the wire rope 6 needs to bear the whole weight of the tower crane 2 during lifting.
Referring to fig. 6, in some embodiments, the number of hoisting pulleys 511 of the hoisting pulley block 51 is one, the number of hoisting pulleys 221 of the hoisting pulley block 22 is one, one end of the steel wire rope 6 is fixed to the hanger 5, the other end of the steel wire rope passes through the hoisting pulleys 221, the hoisting pulleys 511 and the guide pulley block 23 in sequence and then is connected with a power unit, and the steel wire rope 6 only needs to bear 1/2 of the weight of the crane 2 on the tower during hoisting.
Referring to fig. 7, in some embodiments, there are two hoisting pulleys 511 of the hoisting pulley block 51, one hoisting pulley 221 of the hoisting pulley block 22, one end of the wire rope 6 is fixed to the tower crane 2, the other end of the wire rope passes through one of the hoisting pulleys 511, the hoisting pulley 221, the other hoisting pulley 511 and the guiding pulley 23 in sequence and then is connected with a power unit, and the wire rope 6 only needs to bear 1/3 of the weight of the tower crane 2 during lifting.
Referring to fig. 8, in some embodiments, there are two hoisting pulleys 511 of the hoisting pulley block 51, two hoisting pulleys 221 of the hoisting pulley block 22, one end of the steel wire rope 6 is fixed to the hanger 5, and the other end sequentially passes through one of the hoisting pulleys 221, one of the hoisting pulleys 511, the other hoisting pulley 221, the other hoisting pulley 511 and the guiding pulley block 23 to be connected with the power unit, and the steel wire rope 6 only needs to bear 1/4 of the weight of the overhead crane 2 during hoisting.
In some embodiments, the guide pulley block 23 comprises a first guide pulley 231 provided at the front end of the boom 21 of the tower crane 2 and a second guide pulley 232 at the rear end of the boom 21.
In some embodiments, the wire rope 6 is connected to the power unit through the second guide pulley 232 and the first guide pulley 231 in sequence.
In some embodiments, the number of the brackets 4 is two, the two brackets 4 are respectively arranged at two sides of the top of the mounting seat 3, and the hanging bracket 5 is transversely erected at the front ends of the tops of the two brackets 4.
In some embodiments, the bracket 4 comprises a main frame 42 and an extension frame 43, wherein the main frame 42 is in a herringbone shape as a whole, and the extension frame 43 is fixed on the top of the main frame 42 and extends towards the outside of the front end of the mounting seat 3.
In some embodiments, the top of the bracket 4 is provided with a U-shaped fixing member 41, and the end of the hanger 5 is snapped into place in the fixing member 41.
In specific implementation, the lifting device of the crane on the tower provided by the utility model comprises the following steps of:
S1, fixing an installation seat 3 in a cabin 1;
S2, mounting a bracket 4 and a hanging bracket 5 on the mounting seat 3;
s3, connecting the steel wire rope 6 with a power unit under the tower after passing through the lifting pulley block 22, the lifting pulley block 51 and the guide pulley block 23;
S4, the power unit tightens up the steel wire rope 6 and lifts the crane 2 on the tower.
In summary, the lifting device of the overhead crane provided by the utility model comprises a mounting seat 3, a support 4, a hanging bracket 5 and a steel wire rope 6, wherein the mounting seat 3 is fixed on the top of a cabin 1, the support 4 is mounted on the mounting seat 3, the hanging bracket 5 is arranged on the top of the support 4, the hanging bracket 5 is provided with a lifting pulley block 51, the rear end of the overhead crane 2 is provided with a lifting pulley block 22, when the overhead crane 2 is vertically arranged, the lifting pulley block 22 is opposite to the lifting pulley block 51, the lifting pulley block 51 comprises at least one lifting pulley 511 coaxially arranged, the lifting pulley block 22 comprises at least one lifting pulley 221 coaxially arranged, a guide pulley block 23 is arranged on a hanging arm 21 of the overhead crane 2, one end of the steel wire rope 6 is fixed on the overhead crane 2 or the hanging bracket 5 when the overhead crane 2 is vertically lifted, the other end of the steel wire rope 6 passes through the lifting pulley block 22, the lifting pulley block 51 and the guide pulley block 23 and then is connected to a power unit arranged under a fan tower, the power unit tightens up the steel wire rope 6 to lift the overhead crane 2, and the overhead crane 2 is conveniently mounted on the overhead crane 2 through the mounting seat 3, the support 4, the hanging bracket 5 and the lifting pulley block 51 and the guide pulley block 23.
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 from the features of the respective independent claims in any appropriate manner, not only by the specific combinations enumerated in the claims.
Claims (10)
1. The lifting device of the overhead crane on the tower is characterized by comprising a mounting seat, a bracket, a hanging bracket and a steel wire rope, wherein the mounting seat is fixed at the top of a cabin, the bracket is mounted on the mounting seat, the hanging bracket is arranged at the top of the bracket, a lifting pulley block is arranged on the hanging bracket, a lifting pulley block is arranged at the rear end of the overhead crane on the tower, when the overhead crane on the tower is vertically arranged, the lifting pulley block is arranged opposite to the lifting pulley block, the lifting pulley block comprises at least one lifting pulley coaxially arranged, and a guiding pulley block is arranged on a suspension arm of the overhead crane on the tower;
When the tower crane is lifted, one end of the steel wire rope is fixed on the tower crane or the hanger, the other end of the steel wire rope penetrates through the lifting pulley block, the lifting pulley block and the guide pulley block and then is connected to a power unit arranged below the fan tower, and the power unit tightens the steel wire rope to lift the tower crane.
2. The lifting device of the crane on the tower according to claim 1, wherein the number of the lifting pulley blocks is two, the number of the guiding pulley blocks is two, the guiding pulley blocks are respectively arranged on two sides of a suspension arm of the crane on the tower, the number of the steel wire ropes is two, and the two steel wire ropes respectively and correspondingly penetrate through one lifting pulley block, the lifting pulley block and the guiding pulley block.
3. The lifting device of the crane on the tower according to claim 1, wherein the lifting pulley of the lifting pulley block is one, one end of the steel wire rope is fixed to the crane on the tower, the other end of the steel wire rope sequentially passes through the lifting pulley block and the guiding pulley block and then is connected with the power unit, or one end of the steel wire rope is fixed to the hanger, and the other end of the steel wire rope sequentially passes through the lifting pulley block, the lifting pulley block and the guiding pulley block and then is connected with the power unit.
4. The crane lifting device according to claim 1, wherein the number of the hoisting pulleys is two, the number of the hoisting pulleys is one, one end of the steel wire rope is fixed to the crane on the tower, and the other end of the steel wire rope sequentially passes through one of the hoisting pulleys, the hoisting pulley, the other hoisting pulley and the guide pulley block and then is connected with the power unit.
5. The lifting device of the crane on the tower according to claim 1, wherein the number of the lifting pulleys of the lifting pulley block is two, one end of the steel wire rope is fixed to the hanger, and the other end of the steel wire rope sequentially passes through one of the lifting pulleys, the other lifting pulley and the guiding pulley block and then is connected with the power unit.
6. The tower crane lifting device of claim 1, wherein the guide pulley block comprises a first guide pulley disposed at a boom front end and a second guide pulley disposed at a boom rear end of the tower crane.
7. The tower crane lifting apparatus of claim 6, wherein the wire rope is connected to a power unit through the second guide pulley and the first guide pulley in sequence.
8. The lifting device of a tower crane according to claim 1, wherein the number of the brackets is two, the two brackets are respectively arranged on two sides of the top of the mounting seat, and the hanging frame is transversely erected on the front ends of the tops of the two brackets.
9. The lifting device of the crane on the tower according to claim 1, wherein the bracket comprises a main frame and an extension frame, the main frame is integrally in a herringbone shape, and the extension frame is fixed on the top of the main frame and extends to the outside of the front end of the mounting seat.
10. The crane lifting device according to claim 1, wherein the top of the bracket is provided with a U-shaped fixing member, and the end of the hanger is snapped into the fixing member for fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520409159.2U CN223852157U (en) | 2025-03-10 | 2025-03-10 | Lifting device of crane on tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520409159.2U CN223852157U (en) | 2025-03-10 | 2025-03-10 | Lifting device of crane on tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223852157U true CN223852157U (en) | 2026-01-30 |
Family
ID=98549947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520409159.2U Active CN223852157U (en) | 2025-03-10 | 2025-03-10 | Lifting device of crane on tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223852157U (en) |
-
2025
- 2025-03-10 CN CN202520409159.2U patent/CN223852157U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106415005B (en) | Method and system for dismounting and remounting wind turbine blade | |
| WO2011063596A1 (en) | Vessel for transporting and hoisting offshore wind generating set and transporting and lifting method | |
| CN105540410A (en) | Lifting device and method for wind turbine generator set | |
| CN102425145A (en) | Offshore wind turbine installation platform and hoisting device thereof | |
| CN201068371Y (en) | Self-hoisting tower crane | |
| CN117049408B (en) | Tower crane system for wind generating set | |
| CN203128000U (en) | Hoisting device for direct-driven wind power generator set | |
| CN220926118U (en) | Auxiliary hoisting assembly for crane on tower of wind generating set | |
| CN117105107B (en) | Overturning and hoisting system for crane on tower of wind generating set | |
| CN110356959B (en) | Wind wheel hoisting tool | |
| CN213059847U (en) | Blade hoisting adjusting device for wind driven generator | |
| CN212245874U (en) | Blade hoisting adjusting device for wind driven generator | |
| CN223852157U (en) | Lifting device of crane on tower | |
| CN211343235U (en) | Maintenance tool on gearbox tower of wind driven generator | |
| CN222556399U (en) | A turning frame for hoisting turning equipment | |
| CN203451107U (en) | Self-lifting type wind generating set crane | |
| CN114148888A (en) | Lifting hanging beam for mounting wind driven generator cabin and operation method | |
| CN101074087A (en) | Self-raising tower crane | |
| KR20190018490A (en) | A method for drying a wind turbine and a lifting beam for mounting a rotor blade of a wind turbine | |
| CN216894728U (en) | Device is maintained to wind generating set major possession | |
| CN219412790U (en) | Wind driven generator blade replacement equipment based on multiple pulley blocks | |
| CN223342240U (en) | A tower crane hoisting and turning device | |
| CN216900522U (en) | Aerogenerator blade inspection robot | |
| CN219509756U (en) | Wind driven generator blade replacement equipment based on multiple guide units | |
| CN118145476A (en) | Box transformer substation lifting sling for wind power operation and maintenance and box changing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |