CN217201795U

CN217201795U - Cabin modularization crane for wind turbine generator system

Info

Publication number: CN217201795U
Application number: CN202220362274.5U
Authority: CN
Inventors: 丁建国; 王普志; 王文彬; 陈婷秀
Original assignee: Shanghai Xihua Machinery Engineering Co ltd
Current assignee: Shanghai Xihua Machinery Engineering Co ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-08-16
Anticipated expiration: 2032-02-22

Abstract

The application discloses a cabin modularization crane for a wind turbine generator, which relates to the technical field of wind power installation and maintenance, and comprises a pulley block and a winch fixedly arranged on a wind turbine base, wherein the pulley block comprises a fixed pulley and a movable pulley, the fixed pulley is fixedly arranged inside a wind turbine generator cabin, a steel wire is wound on the winch, one end of the steel wire is fixedly arranged on a winding roller of the winch, and the other end of the steel wire is sequentially wound on the fixed pulley and the movable pulley and finally fixed in the wind turbine generator cabin, the application designs each part into a module capable of being independently installed and transported by the linkage effect of the movable pulley, the fixed pulley and the winch, flexibly installs each part module according to the actual needs and operation conditions on site, arranges the winch at the position convenient for operation of personnel, greatly reduces the construction difficulty and has high construction efficiency, the safety of personnel is ensured.

Description

Cabin modularization crane for wind turbine generator system

Technical Field

The application relates to the technical field of wind power installation and maintenance, in particular to a cabin modularization crane for a wind turbine generator system.

Background

The offshore wind power installation and construction is basically and comprehensively developed, the offshore operation window period is short, and the marine environment is severe, so that the requirements on field installation and maintenance construction operation are more and more high.

In the related art, when a wind turbine generator is installed or maintained, a large ship is usually used to deliver a large truck crane or a crawler crane to the position under the wind turbine generator for auxiliary hoisting, but due to the short offshore operation time and the bad weather, a large ship cannot be parked for long time to wait for construction, the construction efficiency is low, the flexibility is poor, and a part to be improved exists.

SUMMERY OF THE UTILITY MODEL

In order to improve the efficiency of wind turbine maintenance and construction, the application provides a cabin modularization loop wheel machine for wind turbine generator system.

The application provides a cabin modularization loop wheel machine for wind turbine generator system adopts following technical scheme:

the utility model provides a cabin modularization loop wheel machine for wind turbine generator system, includes assembly pulley and the fixed hoist engine that sets up on the wind turbine generator base, the assembly pulley includes fixed pulley and movable pulley, the fixed pulley is fixed to be set up inside the wind turbine generator cabin, around being equipped with the steel wire on the hoist engine, the one end of steel wire is fixed to be set up on the winding up roller of hoist engine, just the other end of steel wire is in proper order around setting up fixed pulley and movable pulley and finally fix in the wind turbine generator cabin.

Through adopting the above technical scheme, when the module of maintaining the fan motor is hoisted to needs, fix the module on the movable pulley, start the hoist engine this moment, the hoist engine tightens up the steel wire, can transport the module to the fan motor top or the position that needs the maintenance, owing to transport the module through the movable pulley group, the on-the-spot installation cost is low, and it is convenient to install, also need not large-scale transport ship to transport large-scale machinery such as crane simultaneously, only need the boat can transport the module to the fan motor department that needs the maintenance, be favorable to cost reduction and efficiency improvement, improve the efficiency of construction and staff's when the construction safety.

Preferably, the winding engine is additionally provided with a wire slipping prevention device.

Through adopting above-mentioned technical scheme, because the module weight that needs the transportation is different, when the heavier module of transportation, the condition of slidding may appear when the hoist engine just starts, prevent that the swift current silk device can die the steel wire lock when the slidding appears, prevent that the steel wire from droing from the hoist engine winding up roller, be favorable to improving the security of this loop wheel machine.

Preferably, the pulley block is provided with two, and the rotation axes of all pulleys in the two pulley blocks are parallel.

Through adopting above-mentioned technical scheme, set up a plurality of assembly pulleys and can fix the module on a plurality of movable pulleys through the fixed mode of multiple spot before the transportation module, be favorable to the atress of average fixed pulley on the one hand, prevent to drop from the wind-powered electricity generation machine under-deck because the atress leads to the fixed pulley too big, on the other hand can average the atress of movable pulley, prevent to drop from the loop wheel machine because the movable pulley atress is too big makes the module, and the security of this loop wheel machine can both further be improved to the two.

Preferably, arbitrary the both ends of fixed pulley axis of rotation all are fixed and are provided with the dead lever, arbitrary all run through on the dead lever and seted up the mounting hole, two the axis of mounting hole is coaxial, just the dead lever passes the shell in wind-powered electricity generation machine cabin, still be provided with the installation pole on the fixed pulley, the installation pole passes two mounting holes on the same fixed pulley in proper order and with wind-powered electricity generation machine cabin outer wall butt.

Through adopting above-mentioned technical scheme, pass the mounting hole through the installation pole and with the butt of wind motor cabin outer wall, specifically realized the fixed mode of wind motor cabin to the fixed pulley, compare in traditional fix with rivet technology, use the installation pole to fix on the one hand fixed more firm, on the other hand dismouting is more convenient, the two all can improve the packaging efficiency of this loop wheel machine.

Preferably, be provided with fixed plate and welded plate on the movable pulley, the fixed plate is provided with two, two the fixed plate is parallel to each other and fixed setting respectively at the both ends of movable pulley axis of rotation, the both ends that the welded plate is relative are fixed setting respectively two on the fixed plate and be on a parallel with the axis of rotation of movable pulley, one side that the welded plate deviates from the movable pulley still rotates and is provided with rings.

Through adopting above-mentioned technical scheme, the setting up of rings is fixed the module through silk thread or other modes, and the setting up of fixed plate can not influence the rotation of movable pulley on the one hand, and on the other hand dispersible module is to the gravity that the movable pulley axis of rotation was applyed, prevents that the axis of rotation of movable pulley from being stretched and bent and sending its unable normal pivoted condition to take place.

Preferably, one end, far away from the winch, of the steel wire penetrates through the wind motor cabin and is fixedly provided with a fixing block, and the fixing block is always in butt fit with the outer wall of the wind motor cabin.

Through adopting above-mentioned technical scheme, the setting of fixed block can be fixed the steel wire on the wind-powered electricity generation machine cabin, and the fixed block forms the butt with wind-powered electricity generation machine cabin outer wall and can improve the firm degree that the steel wire is fixed, is favorable to further improving the security of this loop wheel machine.

Preferably, the fixed block is arranged on the outer wall of the cabin of the wind turbine in a sliding mode.

Through adopting above-mentioned technical scheme, because at the wind turbine maintenance in-process, the module size difference that needs hoist and mount, slide the setting with the fixed block and can make it drive the steel wire and remove together, and the steel wire can drive the movable pulley and remove, adjusts the distance between movable pulley pivot and the wind turbine generator system, is favorable to improving the suitability of this loop wheel machine, satisfies its hoist and mount demand to not equidimension module.

Preferably, the wind turbine generator cabin further comprises a hydraulic cylinder fixedly arranged on the outer side of the wind turbine generator cabin, the telescopic direction of a piston rod of the hydraulic cylinder is perpendicular to the rotating shaft of the fixed pulley, and the piston rod of the hydraulic cylinder is fixedly connected with the fixed block.

Through adopting above-mentioned technical scheme, the mode of sliding of fixed block on wind motor cabin outer wall has specifically been realized in setting up of pneumatic cylinder, and when needs hoist great module, the pneumatic cylinder drives the fixed block and removes to the one side of keeping away from fan unit, otherwise then removes to the one side of being close to fan unit, can realize when hoist and mount different size modules, the position demand of movable pulley.

In summary, the present application includes at least one of the following beneficial technical effects:

by utilizing the arrangement of the movable pulley block, the fixed pulley block and the winch, on one hand, the installation is convenient and fast, and the construction efficiency is improved, on the other hand, a large-scale transport ship is not needed for transporting a large-scale hoisting machine, so that the maintenance efficiency of the wind turbine generator and the safety of workers during construction are improved;

the fixed block arranged outside the wind turbine cabin in a sliding manner is beneficial to changing the distance between the pulley and the wind turbine generator set through the sliding fixed block, the applicability of the crane is beneficial to being improved, and the crane is convenient to hoist modules with different sizes;

through the fixed plate that sets up on the movable pulley, the module of hoist and mount on the dispersible movable pulley is to the gravity that the movable pulley axis of rotation was applyed, prevents that the axis of rotation of movable pulley from being stretch-bent, and the condition that causes its unable normal rotation takes place.

Drawings

Fig. 1 is an axis view of an overall structure of a modular nacelle crane for a wind turbine generator according to an embodiment of the present disclosure;

fig. 2 is a schematic cross-sectional view of an internal structure of a nacelle after blades of a wind turbine are removed by a modular nacelle crane for a wind turbine generator according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of an embodiment of the present application, which mainly shows a steel wire winding manner;

FIG. 4 is a schematic view of a fixed pulley structure mainly embodied in the embodiment of the present application;

FIG. 5 is a schematic view of a movable pulley structure according to an embodiment of the present application;

reference numerals: 1. a winch; 11. a steel wire; 111. a fixed block; 12. a hydraulic cylinder; 2. a pulley block; 21. a fixed pulley; 211. fixing the rod; 2111. mounting holes; 212. mounting a rod; 22. a movable pulley; 221. a fixing plate; 222. welding the plate; 223. a lifting ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses an engine room modularization crane for a wind turbine generator system.

Referring to fig. 1 and 2, the cabin modular crane for the wind turbine generator comprises two pulley blocks 2 and two winches 1 fixedly arranged on a base of the wind turbine generator, and referring to fig. 3, two steel wires 11 are wound on the winches 1, and the two steel wires 11 are respectively wound on the two pulley blocks 2. Because the structure of two assembly pulley 2 and its mounting means with wind turbine generator system are all the same, now use one of them assembly pulley 2 as the example to explain: pulley block 2 is including fixed pulley 21 and the movable pulley 22 of roll setting on steel wire 11 that sets up on the inside skeleton of wind turbine engine room, movable pulley 22 can be according to the weight selection list or a plurality of module of being hung, in this embodiment, fixed pulley 21 is provided with two, movable pulley 22 is provided with one, and two fixed pulley 21 set up respectively in the inside both sides that are close to and keep away from the wind turbine engine flabellum of wind turbine engine room, the fixed setting of one end of steel wire 11 is on the winding up roller of hoist engine 1, the fixed block 111 that is provided with of the other end of steel wire 11, and steel wire 11 is provided with the one end of fixed block 111 around setting fixed pulley 21 and movable pulley 22 in proper order and passing wind turbine engine room shell, fixed block 111 slides and sets up in the wind turbine engine room outside and with the outside butt of wind turbine engine room all the time, still add on the hoist engine 1 and be equipped with anti-creep silk device.

In-service use, when the module needs to be hoisted, fix the module on two movable pulleys 22, and start hoist engine 1, hoist engine 1 retrieves steel wire 11, can hoist the module to the regulation position, when module weight is great, increase the quantity of fixed pulley 21 and movable pulley 22 and can reach the purpose of normal hoist and mount, because the installation of this hoist engine only needs the wire winding mode that changes steel wire 11, on-the-spot installation cost is low, and is fast, only need the boat can transport maintenance module to the wind turbine department that needs to be maintained, be favorable to saving the cost, improve maintenance efficiency, staff's construction safety when marine weather is abominable has been guaranteed simultaneously, the setting of anti-slide device can prevent hoist engine 1 from appearing the condition that the slide wire caused the module to fall from the high altitude when transporting heavier module, the security of this hoist engine has been improved.

Referring to fig. 4, similarly, a pulley block 2 is taken as an example for explanation, fixing rods 211 are fixedly arranged at two ends of a rotating shaft of any fixed pulley 21, a mounting hole 2111 is formed in any fixing rod 211, the axes of the two mounting holes 2111 on the same fixed pulley 21 are coaxial, the axes of the two mounting holes are perpendicular to the rotating shaft of the fan blade of the wind turbine, a mounting rod 212 is arranged on each fixed pulley 21, any fixing rod 211 penetrates through a shell of the nacelle of the wind turbine, any mounting rod 212 penetrates through two mounting holes 2111 on the corresponding fixed pulley 21 and forms butt joint with the outer wall of the nacelle of the wind turbine, the fixed pulley 21 can be fixed in the nacelle of the wind turbine in a penetrating manner through the mounting rod 212, the fixing is firmer than rivet fixing, the mounting and dismounting are more convenient than welding fixing, and the assembling efficiency of the crane is improved.

Referring to fig. 5, a fixing plate 221 and a welding plate 222 are arranged on the movable pulley 22, the fixing plate 221 is respectively arranged on two sections of the rotating shaft of the movable pulley 22 and is parallel to each other, two opposite ends of the welding plate 222 are respectively fixedly arranged on the two fixing plates 221 in a welding mode, the welding plate 222 is parallel to the rotating shaft of the movable pulley 22, one side of the welding plate 222 departing from the movable pulley 22 is rotatably provided with a hanging ring 223, when a module is required to be hoisted, the module can be fixed on the movable pulley 22 in a silk thread or hook mode, the fixing plate 221 is arranged to ensure the normal rotation of the movable pulley 22, meanwhile, the gravity applied to the rotating shaft of the movable pulley 22 by the dispersible module can be dispersed, the rotating shaft of the movable pulley 22 is prevented from being bent, and the situation that the movable pulley cannot rotate is caused.

Referring to fig. 2, still fixed pneumatic cylinder 12 that is provided with on the wind-powered electricity generation machine cabin outer wall, the piston rod of pneumatic cylinder 12 is towards the flabellum of wind-powered electricity generation machine, and the flexible direction perpendicular to fixed pulley 21's of pneumatic cylinder 12 piston rod axis of rotation and with fixed block 111 fixed connection, when hoisting great module, shorten the piston rod of pneumatic cylinder 12, can remove fixed block 111 to the one side of keeping away from the wind-powered electricity generation unit, movable pulley 22 is under the action of gravity of module this moment, the axis of rotation takes place the skew, increased the distance between movable pulley 22 axis of rotation and the wind-powered electricity generation unit, be favorable to improving the suitability of loop wheel machine, the hoist demand of this loop wheel machine to not equidimension module has been satisfied.

The implementation principle of the cabin modularization crane for the wind turbine generator system is as follows: when the module of maintaining the wind-driven generator is hoisted as required, the mode that uses silk thread or hook with this module is fixed between two movable pulley 22, later start hoist engine 1 and make it tighten up steel wire 11, drive the module and upwards transport to wind-driven generator cabin or the position that needs to maintain, the simple installation of installation assembly pulley 2, and the cost is lower, need not large-scale transport ship and transport large-scale machinery such as crane, when transporting the module of different quality, only need change steel wire 11 around the quantity of establishing movable pulley 22 and fixed pulley 21 can, be favorable to cost reduction and efficiency improvement, staff's safety when improving efficiency of construction and construction.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a cabin modularization loop wheel machine for wind turbine generator system which characterized in that: including assembly pulley (2) and fixed hoist engine (1) that sets up on the wind-powered electricity generation machine base, assembly pulley (2) include fixed pulley (21) and movable pulley (22), fixed pulley (21) are fixed to be set up inside the wind-powered electricity generation machine cabin, winding is equipped with steel wire (11) on hoist engine (1), the one end of steel wire (11) is fixed to be set up on the winding up roller of hoist engine (1), just the other end of steel wire (11) is in proper order around setting for pulley (21) and movable pulley (22) and finally fix in the wind-powered electricity generation machine cabin.

2. The nacelle modular crane for a wind turbine generator as claimed in claim 1, wherein: and an anti-sliding device is additionally arranged on the winch (1).

3. The nacelle modular crane for a wind turbine generator as claimed in claim 1, wherein: the pulley block (2) is provided with two pulleys, and the rotating axes of all the pulleys in the two pulley blocks (2) are parallel.

4. The nacelle modular crane for a wind turbine generator as claimed in claim 3, wherein: arbitrary both ends of fixed pulley (21) axis of rotation all are fixed and are provided with dead lever (211), arbitrary all run through on dead lever (211) and seted up mounting hole (2111), two the axis of mounting hole (2111) is coaxial, just dead lever (211) passes the shell in wind motor cabin, still be provided with installation pole (212) on fixed pulley (21), installation pole (212) pass in proper order with two mounting hole (2111) on fixed pulley (21) and with wind motor cabin outer wall butt.

5. The nacelle modular crane for a wind turbine generator as claimed in claim 1, wherein: be provided with fixed plate (221) and welded plate (222) on movable pulley (22), fixed plate (221) are provided with two, two fixed plate (221) are parallel to each other and respectively fixed the both ends that set up at movable pulley (22) axis of rotation, the both ends that welded plate (222) are relative are fixed the setting respectively two on fixed plate (221) and be on a parallel with the axis of rotation of movable pulley (22), one side that welded plate (222) deviate from movable pulley (22) still rotates and is provided with rings (223).

6. The nacelle modular crane for a wind turbine generator as claimed in claim 1, wherein: one end, far away from the winch (1), of the steel wire (11) penetrates through the wind motor cabin and is fixedly provided with a fixing block (111), and the fixing block (111) is always in butt fit with the outer wall of the wind motor cabin.

7. The nacelle modular crane of claim 6, wherein: the fixed block (111) is arranged on the outer wall of the cabin of the wind turbine in a sliding mode.

8. The nacelle modular crane for a wind turbine generator as claimed in claim 7, wherein: still including fixed pneumatic cylinder (12) that set up in the wind-powered electricity generation machine cabin outside, the axis of rotation of flexible direction perpendicular to fixed pulley (21) of pneumatic cylinder (12) piston rod, the piston rod and fixed block (111) fixed connection of pneumatic cylinder (12).