CN114180472A - Large-displacement telescopic self-climbing wind power hoisting device and method - Google Patents

Large-displacement telescopic self-climbing wind power hoisting device and method Download PDF

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Publication number
CN114180472A
CN114180472A CN202111491752.9A CN202111491752A CN114180472A CN 114180472 A CN114180472 A CN 114180472A CN 202111491752 A CN202111491752 A CN 202111491752A CN 114180472 A CN114180472 A CN 114180472A
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CN
China
Prior art keywords
arm
climbing
embracing
lifting
wind power
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CN202111491752.9A
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Chinese (zh)
Inventor
高国强
赵轩
刘虹材
张帆
戴巨川
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Hunan University of Science and Technology
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Hunan University of Science and Technology
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Priority to CN202111491752.9A priority Critical patent/CN114180472A/en
Publication of CN114180472A publication Critical patent/CN114180472A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/26—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
    • B66C23/34—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Wind Motors (AREA)

Abstract

The invention discloses a large-displacement telescopic self-climbing wind power hoisting device, which comprises: the arm holding device is used for holding and clamping a tower drum and can be opened and closed relative to the tower drum; the climbing device is arranged on the outer side of the arm embracing device and is used for driving the arm embracing device to crawl along the tower; and the suspension arm device is arranged at the top end of the climbing device, and a lifting hook mechanism for lifting a heavy object is arranged at the top end of the suspension arm device. Compared with the prior art, the invention has the advantages of small size, convenient disassembly and strong adaptability, can be specially used for the installation and maintenance hoisting work of the wind turbine generator, does not need to rely on the traditional all-ground or crawler crane, and is better suitable for the installation work of the existing wind turbine generator.

Description

Large-displacement telescopic self-climbing wind power hoisting device and method
Technical Field
The invention relates to hoisting equipment, in particular to a large-displacement telescopic self-climbing wind power hoisting device and method.
Background
The method faces the national target requirements of carbon peak reaching and carbon neutralization of 30.60, has rapid development of wind energy industry with large-scale popularization and application prospect, and reaches the end of 2020, the wind power accumulated installed capacity of China reaches 2.81 hundred million kilowatts, and the accumulated installed capacity stably lives in the first world. Meanwhile, the in-service wind turbine generator generates aging phenomena along with the increase of service life, and phenomena such as bearing damage, blade cracking, bolt fracture and the like sometimes occur. Therefore, market demands for installation and maintenance of the wind turbine generator are strong.
The wind turbine generator set is large in power, heavy in size and high in tower barrel, and most of land wind power plants are located in places with traffic inconvenience such as high mountains, Gobi and wildlands, so that the requirements on wind power installation and maintenance equipment are high. At present, land wind turbine generators are generally installed through all-terrain or crawler cranes, the transportation cost of large cranes to wind farms is high, the assembly period is long, the installation process is easily influenced by factors such as self height, terrain and weather, and the lease or purchase cost of cranes is high. If only a small number of wind turbine generators are maintained, the maintenance cost is too high, and if the wind turbine generators need to be maintained to reach a certain number and then are maintained in a centralized manner, a large amount of abandoned wind loss needs to be borne.
In view of this, a special wind power hoisting device with small size, convenient disassembly and strong adaptability is urgently needed, and the installation and maintenance cost of the wind power generator set is effectively reduced. At present, no related mature industrial example exists in China, and only an approximate self-climbing wind power hoisting device exists in the patent design. However, the existing self-climbing wind power hoisting device is difficult to adapt to the change of the diameter of the wind power tower cylinder, and the cylindrical tower cylinder with the thin upper part and the thick lower part puts higher requirements on the arm-holding design of the wind power hoisting device; the existing self-climbing wind power hoisting device is difficult to hoist components such as a tower barrel, an engine room and blades, and the blade hoisting stability is seriously influenced by the development trend of large-scale blades.
In conclusion, the wind power industry is rapidly developed, the hoisting device for installing and maintaining the wind turbine generator is in high demand, but the traditional all-ground or crawler crane is high in transportation cost and long in assembly period, so that the renting or purchasing cost of the crane is high, and the conventional climbing type wind power hoisting device is difficult to adapt to the design of a thin-top and thick-bottom cylindrical tower and to hoist components such as a tower, a cabin and blades. Under the background, the design of the special wind turbine generator installation and maintenance hoisting device which is small in size, convenient to disassemble and strong in adaptability is of great significance.
Disclosure of Invention
The invention aims to solve the technical problem of providing a large-displacement telescopic self-climbing wind power lifting device and method which are simple in structure, small in size, convenient to detach, strong in adaptability, convenient to install, good in reliability and strong in compatibility and aim at overcoming the defects of the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme.
The utility model provides a big flexible formula wind-powered electricity generation hoisting apparatus that climbs certainly of displacement, it including: the arm holding device is used for holding and clamping a tower drum and can be opened and closed relative to the tower drum; the climbing device is arranged on the outer side of the arm embracing device and is used for driving the arm embracing device to crawl along the tower; and the suspension arm device is arranged at the top end of the climbing device, and a lifting hook mechanism for lifting a heavy object is arranged at the top end of the suspension arm device.
Preferably, embrace the arm device and embrace the arm including two first armful arms that are parallel to each other and two second that are parallel to each other, two first armful arms and two second armful arms constitution square structure, just first armful arm with arm sliding fit is embraced to the second, the second is embraced to be equipped with in the arm and is used for ordering about first armful arm reciprocating sliding embraces the arm pneumatic cylinder, first armful arm with the inboard of arm is fixed with arcuation leaf spring respectively to the second, arcuation leaf spring's inboard is fixed with the stereoplasm gum cover, the stereoplasm gum cover attached in the lateral wall of a tower section of thick bamboo works as when embracing the arm pneumatic cylinder and ordering about two first armful arms and being close to each other, borrow four stereoplasm gum covers and press from both sides tightly a tower section of thick bamboo.
Preferably, a transverse guide rail is fixed in the second embracing arm, a transverse sliding block is fixed on the first embracing arm, and the transverse sliding block is in sliding fit with the transverse guide rail.
Preferably, the boom device includes a rotating platform, a first movable arm and a second movable arm, the rotating platform is fixed to the top end of the climbing device, the lower end of the first movable arm is connected to the rotating platform, the lower end of the second movable arm is connected to the upper end of the first movable arm, and the hook mechanism is arranged at the upper end of the first movable arm.
Preferably, a first boom hydraulic cylinder for driving the first boom to perform tilting motion is arranged on the turntable, and a second boom hydraulic cylinder for driving the second boom to perform tilting motion is arranged on the first boom.
Preferably, the lifting hook mechanism comprises a balance arm rotating platform arranged at the top end of the second movable arm, two balance arms are arranged at the rotating end of the balance arm rotating platform, and a lifting hook assembly is respectively arranged at the end part of each balance arm and in the middle of the balance arm rotating platform.
Preferably, the hook assembly comprises a pulley, a traction cable passing around the pulley, and a hook fixed to the lower end of the traction cable.
A large-displacement telescopic self-climbing wind power lifting method is realized based on a device, the device comprises at least two arm-embracing devices, a lifting device and a boom device, the arm-embracing devices are used for embracing and clamping a tower drum and can be opened and closed relative to the tower drum, the lifting device is arranged on the outer side of the arm-embracing devices, the lifting device comprises a vertically arranged lifting support and a vertically arranged dragging support, the lifting support and the dragging support are arranged in parallel and are in sliding fit with each other, the lifting support and the dragging support are respectively and fixedly connected with the at least two arm-embracing devices, a lifting hydraulic cylinder is connected between the dragging support and the lifting support, the lifting hydraulic cylinder is used for driving the dragging support and the lifting support to move relatively along the vertical direction, and the boom device is arranged at the top end of the lifting device, the method comprises the following steps: in the climbing stage, when the arm-embracing device connected with the dragging support embraces and clamps the tower drum, the arm-embracing device connected with the lifting support is controlled to release the tower drum, the lifting support and the arm-embracing device connected with the lifting support are driven to synchronously ascend by using the climbing hydraulic cylinder, then the arm-embracing device connected with the lifting support is controlled to embrace and clamp the tower drum, the arm-embracing device connected with the dragging support is controlled to release the tower drum, the dragging support and the arm-embracing device connected with the dragging support are driven to synchronously ascend by using the climbing hydraulic cylinder, and the process is repeated until the tower drum climbs to a target position; and in the hoisting stage, a lifting hook mechanism at the top end of the suspension arm device is used for hoisting a heavy object.
Preferably, the climbing phase further comprises a preparation phase before: transporting wind power equipment components to be transferred to an assembly site, vertically fixing a first tower drum on the ground by using ground hoisting equipment, then mounting the arm holding device on the tower drum in a holding manner, and mounting the climbing device on the outer side of the arm holding device.
Preferably, the hoisting stage is followed by a recovery stage: and reversely executing the climbing stage step until the arm embracing device, the climbing device and the suspension arm device all descend to a first tower barrel, and then sequentially disassembling the suspension arm device, the climbing device and the arm embracing device.
According to the large-displacement telescopic self-climbing wind power lifting device and method, the diameter change requirement of the wind power tower can be met and the installation requirement of a thin-top and thick-bottom cylindrical structure of the wind power tower can be met based on the large-displacement telescopic function of the arm-holding device and the stress deformation elastic clamping function of the steel plate spring piece. Compared with the prior art, the invention has the advantages of small size, convenient disassembly and strong adaptability, can be specially used for the installation and maintenance hoisting work of the wind turbine generator, does not need to rely on the traditional all-ground or crawler crane, and is better suitable for the installation work of the existing wind turbine generator.
Drawings
Fig. 1 is a side view of a large displacement telescopic self-climbing wind power lifting device;
FIG. 2 is a top view of the armful of arm apparatus;
FIG. 3 is a first side view of a climbing device;
FIG. 4 is a second side view of the climbing device;
FIG. 5 is a first side view of the lifting support;
FIG. 6 is a second side view of the lifting support;
FIG. 7 is a first side view of the towing bracket;
FIG. 8 is a second side view of the towing bracket;
FIG. 9 is a side view of the boom apparatus;
fig. 10 is a front view of the boom apparatus.
Detailed Description
The invention is described in more detail below with reference to the figures and examples.
The invention discloses a large-displacement telescopic self-climbing wind power lifting device, which is shown by combining figures 1 to 10 and comprises:
the arm embracing device comprises at least two arm embracing devices 1, wherein the arm embracing devices 1 are used for embracing and clamping a tower drum 100 and can be opened and closed relative to the tower drum 100;
the climbing device 2 is arranged on the outer side of the arm embracing device 1, and the climbing device 2 is used for driving the arm embracing device 1 to crawl along the tower;
and the suspension arm device 3 is arranged at the top end of the climbing device 2, and a lifting hook mechanism 4 for lifting a heavy object is arranged at the top end of the suspension arm device 3.
In the structure, based on the large-displacement telescopic function of the arm embracing device 1 and the stress deformation elastic clamping function of the steel plate spring piece, the diameter change requirement of the wind power tower cylinder can be met, and the structural installation requirement of the upper thin cylinder and the lower thick cylinder of the wind power tower cylinder can be met. Compared with the prior art, the invention has the advantages of small size, convenient disassembly and strong adaptability, can be specially used for the installation and maintenance hoisting work of the wind turbine generator, does not need to rely on the traditional all-ground or crawler crane, and is better suitable for the installation work of the existing wind turbine generator.
In order to better realize embracing the function of pressing from both sides tower section of thick bamboo 100, in this embodiment, embrace arm device 1 and embrace arm 11 including two first armful arms 10 that are parallel to each other and two second that are parallel to each other, two first armful arms 10 and two second armful arms 11 constitute square structure, just first armful arm 10 with arm 11 sliding fit is embraced to the second, be equipped with in the second armful arm 11 and be used for driving about first armful arm 10 reciprocating sliding's armful arm pneumatic cylinder 12, first armful arm 10 with the inboard of second armful arm 11 is fixed with arcuation leaf spring 13 respectively, arcuation leaf spring 13's inboard is fixed with stereoplasm gum cover 14, stereoplasm gum cover 14 is attached in tower section of thick bamboo 100's lateral wall, works as when embracing arm pneumatic cylinder 12 and driving two first armful arms 10 and being close to each other, borrow the tight tower section of thick bamboo 100 by four stereoplasm gum covers 14.
In order to realize the sliding fit, in the present embodiment, a transverse guide rail 15 is fixed in the second arm 11, a transverse slider 16 is fixed on the first arm 10, and the transverse slider 16 is in sliding fit with the transverse guide rail 15.
Further, a truss support 17 for connecting with the climbing device 2 is fixed on the outer side of the second armful arm 11.
In the structure, the arm embracing device can drive the arm to horizontally move along the guide rail under the matching action of mechanisms such as the plate spring, the transverse guide rail and the arm embracing hydraulic cylinder, so that the large displacement of the arm embracing device is flexible, the spring piece of the plate spring is forced to deform, and the requirement for changing the diameter of the wind power tower cylinder is met.
Regarding the preferred structure of the climbing device 2, in this embodiment, the climbing device 2 includes a vertically arranged lifting support 20 and a vertically arranged dragging support 21, the lifting support 20 and the dragging support 21 are arranged in parallel and are in sliding fit with each other, the lifting support 20 and the dragging support 21 are respectively and fixedly connected with at least two arm embracing devices 1, a climbing hydraulic cylinder 22 is connected between the dragging support 21 and the lifting support 20, and the climbing hydraulic cylinder 22 is used for driving the dragging support 21 and the lifting support 20 to move relatively in a vertical direction.
In the climbing process, the arm-embracing device 1 connected with the dragging support 21 embraces and clamps the tower drum 100, then the arm-embracing device 1 connected with the lifting support 20 is controlled to release the tower drum 100, at this time, the climbing hydraulic cylinder 22 can be used for driving the lifting support 20 and the arm-embracing device 1 connected with the lifting support 20 to synchronously ascend, after a certain distance of ascending, and then controlling the arm embracing device 1 connected with the lifting support 20 to embrace and clamp the tower drum 100, then controlling the arm embracing device 1 connected with the dragging support 21 to release the tower drum 100, then using the climbing hydraulic cylinder 22 to drive the dragging support 21 and the arm embracing device 1 connected with the dragging support 21 to synchronously ascend, so that the process of ascending for one step is completed, and repeating the process to enable the whole hoisting device to climb to a target position. Of course, during the descending process, the above process is only required to be performed reversely.
In practical applications, in order to stably clamp the tower 100 during climbing, in this embodiment, two or more arm devices 1 may be respectively disposed on the towing support 21 and the lifting support 20, so as to ensure that when the arm devices 1 located at the upper half are unclamped, the clamping devices 1 located at the lower half can reliably clamp the tower 100, thereby improving climbing stability.
In order to realize the sliding fit, in the embodiment, a vertical guide rail 23 is fixed on the towing support 21, and a vertical slider 24 is fixed on the lifting support 20, and the vertical slider 24 is in sliding fit with the vertical guide rail 23.
In order to realize the fixed connection, in the present embodiment, the lifting support 20 and the towing support 21 are respectively provided with a fixed support 25 for fixedly connecting with the truss support 17.
In the preferred configuration of the boom device 3, in the present embodiment, the boom device 3 includes a turntable 30, a first boom 31, and a second boom 32, the turntable 30 is fixed to the top end of the lifting support 20, the lower end of the first boom 31 is connected to the turntable 30, the lower end of the second boom 32 is connected to the upper end of the first boom 31, and the hook mechanism 4 is provided at the upper end of the first boom 31.
Further, a first boom cylinder 33 for driving the first boom 31 to tilt is disposed on the turntable 30, and a second boom cylinder 34 for driving the second boom 32 to tilt is disposed on the first boom 31.
In this embodiment, hook mechanism 4 is equipped with supplementary balance arm, and supplementary balance arm passes through the lifting hook and links to each other with the blade activity clamp is tight, can realize the steady hoist and mount of wind-powered electricity generation blade. The concrete structure is as follows: the hook mechanism 4 includes a balance arm rotating platform 40 disposed at the top end of the second movable arm 32, two balance arms 41 are disposed at the rotating end of the balance arm rotating platform 40, and a hook assembly 42 is disposed at the end of each balance arm 41 and the middle of the balance arm rotating platform 40.
Preferably, the hook assembly 42 includes a pulley 420, a pulling rope 421 passing around the pulley 420, and a hook 422 fixed to a lower end of the pulling rope 421.
In order to better describe the technical scheme of the invention, the invention further discloses a large-displacement telescopic self-climbing wind power lifting method, which is realized based on a device shown in fig. 1 to 10, wherein the device comprises at least two arm embracing devices 1, a climbing device 2 and a boom device 3, the arm embracing devices 1 are used for embracing and clamping a tower drum 100 and can be opened and closed relative to the tower drum 100, the climbing device 2 is arranged at the outer side of the arm embracing devices 1, the climbing device 2 comprises a vertically arranged lifting support 20 and a vertically arranged dragging support 21, the lifting support 20 and the dragging support 21 are arranged in parallel and are in sliding fit, the lifting support 20 and the dragging support 21 are respectively and fixedly connected with the at least two arm embracing devices 1, a climbing hydraulic cylinder 22 is connected between the dragging support 21 and the lifting support 20, the climbing hydraulic cylinder 22 is used for driving the dragging support 21 and the lifting support 20 to move relatively in a vertical direction, the suspension arm device 3 is arranged at the top end of the climbing device 2, and the method comprises the following steps:
a preparation stage: transporting wind power equipment components to be transferred to an assembly site, vertically fixing a first tower drum 100 on the ground by using ground hoisting equipment, then clamping and installing the arm embracing device 1 on the tower drum 100, and then installing the climbing device 2 on the outer side of the arm embracing device 1.
In the climbing stage, when the arm embracing device 1 connected with the dragging support 21 embraces and clamps the tower drum 100, controlling the arm embracing device 1 connected with the lifting support 20 to release the tower drum 100, using the climbing hydraulic cylinder 22 to drive the lifting support 20 and the arm embracing device 1 connected with the lifting support 20 to synchronously ascend, then controlling the arm embracing device 1 connected with the lifting support 20 to embrace and clamp the tower drum 100, then controlling the arm embracing device 1 connected with the dragging support 21 to release the tower drum 100, using the climbing hydraulic cylinder 22 to drive the dragging support 21 and the arm embracing device 1 connected with the dragging support 21 to synchronously ascend, and repeating the processes until the tower drum 100 climbs to a target position;
in the hoisting stage, a heavy object is hoisted by utilizing a hook mechanism 4 at the top end of the suspension arm device 3;
and (3) a recovery stage: and reversely executing the climbing stage step until the arm embracing device 1, the climbing device 2 and the boom device 3 are all lowered to a first tower 100, and then sequentially disassembling the boom device 3, the climbing device 2 and the arm embracing device 1.
The method mainly comprises a preparation stage, a climbing stage, a hoisting stage and a recovery stage. The preparation stage is used for completing the assembly of the wind power hoisting device, and a plurality of groups of arm-embracing devices can be locked on the wind power tower barrel so as to fix the wind power crane on the first section of wind power tower barrel; in the climbing stage, the hydraulic cylinder drives the embracing arm to contract and extend, the embracing arm is combined to expand and embrace the tower barrel, and the climbing hydraulic cylinder is matched to drive the towing support and the lifting support to move relatively to realize climbing of the wind power crane device; in the hoisting stage, vertical hoisting movement and horizontal rotation movement of parts such as a wind power tower drum and an engine room are realized through a pulley and a rotary table, and transverse hoisting of the wind power blade is realized by combining the parts such as an auxiliary balance arm; and in the recovery stage, the reverse process of the climbing process is adopted to realize the downward climbing of the wind power hoisting device, and the disassembly work of the wind power hoisting device is completed.
Compared with the prior art, the large-displacement telescopic self-climbing wind power hoisting device has the advantages that the whole structural form is truss type, the size is small, the dismounting is convenient, the adaptability is strong, the mounting, the maintenance and the hoisting device are special for the wind power generator set, and the mounting, the maintenance and the hoisting device are convenient for the wind power generator set at places where the transportation is inconvenient, such as high mountains, gobi, wildlands and the like. The device can rely on the wind power tower cylinder body to realize that hoisting apparatus is from climbing, no longer need lease or purchase large-scale all ground or crawler crane, can effectively reduce wind turbine generator system installation, maintenance cost. The arm embracing device of the large-displacement telescopic self-climbing wind power lifting device is provided with the steel plate spring and the transverse guide rail, the arm embracing moves horizontally and transversely along the guide rail, large-displacement telescopic of the arm embracing device is realized, the steel plate spring is large in flexible deformation, different clamping diameter changes of the wind power tower cylinder are realized, climbing requirements of tower cylinders of different models are met, meanwhile, the contact area between the clamping arc arm embracing device and the wind power unit tower cylinder is increased by the aid of a plurality of groups of arm embracing devices, friction force is increased, and safety is guaranteed. In addition, the suspension arm device of the large-displacement telescopic self-climbing wind power lifting device is provided with the auxiliary balance arm, the auxiliary balance arm is movably clamped and connected with the blade through the lifting hook, the lifting of large parts such as a wind power tower cylinder, an engine room and the blade is realized, and the stable work of the large-scale wind power blade in the installation, maintenance and lifting processes is ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the technical scope of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides a big flexible formula wind-powered electricity generation hoisting apparatus that climbs certainly of displacement which characterized in that, including:
the arm embracing device comprises at least two arm embracing devices (1), wherein the arm embracing devices (1) are used for embracing and clamping a tower drum (100) and can be opened and closed relative to the tower drum (100);
the climbing device (2) is arranged on the outer side of the arm embracing device (1), and the climbing device (2) is used for driving the arm embracing device (1) to crawl along the tower;
the suspension arm device (3) is arranged at the top end of the climbing device (2), and a lifting hook mechanism (4) for lifting a heavy object is arranged at the top end of the suspension arm device (3).
2. The large-displacement telescopic self-climbing wind power lifting device according to claim 1, wherein the arm-embracing device (1) comprises two first arm-embracing devices (10) parallel to each other and two second arm-embracing devices (11) parallel to each other, the two first arm-embracing devices (10) and the two second arm-embracing devices (11) form a square structure, the first arm-embracing devices (10) and the second arm-embracing devices (11) are in sliding fit, arm-embracing hydraulic cylinders (12) for driving the first arm-embracing devices (10) to slide in a reciprocating manner are arranged in the second arm-embracing devices (11), arc-shaped steel plate springs (13) are respectively fixed on the inner sides of the first arm-embracing devices (10) and the second arm-embracing devices (11), hard rubber sleeves (14) are fixed on the outer side walls of the tower (100), and when the arm-embracing hydraulic cylinders (12) drive the two first arm-embracing devices (10) to approach each other, the tower (100) is clamped by four hard rubber sleeves (14).
3. The large-displacement telescopic self-climbing wind power lifting device according to claim 2, wherein a transverse guide rail (15) is fixed in the second arm (11), a transverse sliding block (16) is fixed on the first arm (10), and the transverse sliding block (16) is in sliding fit with the transverse guide rail (15).
4. The large-displacement telescopic self-climbing wind power lifting device according to claim 1, wherein the boom device (3) comprises a rotary table (30), a first movable arm (31) and a second movable arm (32), the rotary table (30) is fixed at the top end of the climbing device (2), the lower end of the first movable arm (31) is connected to the rotary table (30), the lower end of the second movable arm (32) is connected with the upper end of the first movable arm (31), and the hook mechanism (4) is arranged at the upper end of the first movable arm (31).
5. The large-displacement telescopic self-climbing wind power lifting device according to claim 4, wherein a first boom hydraulic cylinder (33) for driving the first boom (31) to tilt is arranged on the rotary table (30), and a second boom hydraulic cylinder (34) for driving the second boom (32) to tilt is arranged on the first boom (31).
6. The large-displacement telescopic self-climbing wind power lifting device according to claim 4, wherein the lifting hook mechanism (4) comprises a balance arm rotating platform (40) arranged at the top end of the second movable arm (32), two balance arms (41) are arranged at the rotating end of the balance arm rotating platform (40), and a lifting hook assembly (42) is respectively arranged at the end part of each balance arm (41) and the middle part of the balance arm rotating platform (40).
7. The large-displacement telescopic self-climbing wind power lifting device according to claim 6, wherein the hook assembly (42) comprises a pulley (420), a traction cable (421) passing around the pulley (420), and a hook (422) fixed to the lower end of the traction cable (421).
8. The large-displacement telescopic self-climbing wind power lifting method is characterized by being realized based on a device, the device comprises at least two arm-embracing devices (1), a climbing device (2) and a suspension arm device (3), the arm-embracing devices (1) are used for embracing and clamping a tower drum (100) and can be opened and closed relative to the tower drum (100), the climbing device (2) is arranged on the outer side of the arm-embracing devices (1), the climbing device (2) comprises a vertically arranged lifting support (20) and a vertically arranged dragging support (21), the lifting support (20) and the dragging support (21) are arranged in parallel and are in sliding fit, the lifting support (20) and the dragging support (21) are respectively and fixedly connected with the at least two arm-embracing devices (1), and a climbing hydraulic cylinder (22) is connected between the dragging support (21) and the lifting support (20), the climbing hydraulic cylinder (22) is used for driving the dragging support (21) and the lifting support (20) to move relatively in the vertical direction, the suspension arm device (3) is arranged at the top end of the climbing device (2), and the method comprises the following steps:
in the climbing stage, when the tower drum (100) is embraced and clamped by the armful arm device (1) connected with the dragging support (21), the armful arm device (1) connected with the lifting support (20) is controlled to release the tower drum (100), the lifting support (20) and the armful arm device (1) connected with the lifting support (20) are driven to synchronously ascend by using the climbing hydraulic cylinder (22), then the tower drum (100) is controlled to be embraced and clamped by the armful arm device (1) connected with the lifting support (20), then the armful arm device (1) connected with the dragging support (21) is controlled to release the tower drum (100), the dragging support (21) and the armful arm device (1) connected with the dragging support (21) are driven to synchronously ascend by using the climbing hydraulic cylinder (22), and the process is repeated until the tower drum (100) climbs to a target position;
and in the hoisting stage, a heavy object is hoisted by utilizing the hook mechanism (4) at the top end of the boom device (3).
9. The large-displacement telescopic self-climbing wind power lifting method according to claim 8, wherein the climbing phase further comprises a preparation phase before: transporting wind power equipment components to be transferred to an assembly site, vertically fixing a first tower drum (100) on the ground by using ground hoisting equipment, then holding and clamping the arm holding device (1) on the tower drum (100), and then installing the climbing device (2) on the outer side of the arm holding device (1).
10. The large-displacement telescopic self-climbing wind power lifting method according to claim 8, wherein the hoisting stage is followed by a recovery stage: and reversely executing the climbing stage step until the arm embracing device (1), the climbing device (2) and the suspension arm device (3) are all descended to a first tower barrel (100), and then sequentially disassembling the suspension arm device (3), the climbing device (2) and the arm embracing device (1).
CN202111491752.9A 2021-12-08 2021-12-08 Large-displacement telescopic self-climbing wind power hoisting device and method Pending CN114180472A (en)

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CN202111491752.9A CN114180472A (en) 2021-12-08 2021-12-08 Large-displacement telescopic self-climbing wind power hoisting device and method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023221302A1 (en) * 2022-05-20 2023-11-23 中国长江三峡集团有限公司 Boom system for independently mounting wind turbine and large-scale construction apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023221302A1 (en) * 2022-05-20 2023-11-23 中国长江三峡集团有限公司 Boom system for independently mounting wind turbine and large-scale construction apparatus

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