CN209383293U - Hanging apparatus for offshore wind farm unit key components and parts - Google Patents

Abstract

The utility model relates to a kind of hanging apparatus for offshore wind farm unit key components and parts, turnover mechanism and docking platform are lifted on the base in the cabin on tower top, and main hoister winch is placed in the winch fixed platform of tower；Turnover mechanism and main crane are installed, the rope stretching of main hoister winch is connect by the train on base, turnover mechanism with the wirerope of main crane on docking platform；The fixed gear of turn in turnover mechanism is fixedly connected on above the front of base, rack is hingedly turned over by turning round pin shaft in the center for turning over fixed gear, it turns over and is fixedly connected with docking platform above rack, and turn driving gear is installed, turn over driving gear connection speed reducer and motor sub-assembly, it turns over driving gear and engages connection with fixed gear is turned over, and it turns over and drives gear that can rotate around fulcrum post axis under the effect of the motor of speed reducer and motor sub-assembly, and drive the turn rack in turnover mechanism and the overturning of main crane.

Description

Hanging apparatus for offshore wind farm unit key components and parts

Technical field

The utility model relates to a kind of hanging device of offshore wind farm unit, especially a kind of offshore wind farm unit key zero The hanging apparatus of component.

Background technique

Currently, offshore wind farm project is already in full swing, because starting late, related matching technology is still in this respect in China It is immature.Be mainly reflected in the following aspects: spoilage is higher in blower components operational process, and key components and parts are being on active service 20 years in need to frequently replace；The wind-powered electricity generation installation stock of equipment of profession lacks；The wind-powered electricity generation installation equipment threshold of enlargement is higher, It involves great expense, further restricts sea electricity lifting development.

It lifts high-power offshore wind turbine and generally uses special wind turbine installation vessel, domestic only wind turbine installation vessel is mostly sea Jack up jackup ship or large-scale supply service ship transformation.Domestic development is still insufficient from the point of view of industry, and storage level is few, can The resource called at any time is very rare.Once occurring critical component damage during fan operation causes fan parking, to these The replacement of components can be very urgent thing；Rare due to resource, professional ship can not show up at the first time, blower without Method is repaired on time, causes heavy economic losses.Even if interim wind turbine installation vessel, the list of relevant ships can be formulated at the first time Project launching-out operation rent will also tend to more than 2,000,000 yuan, costly.

Dedicated for the replacement of offshore wind farm unit key components and parts small-sized professional equipment and completely solve process, at me It there is no precedent in state or even world wide.

Current design is the gear-box and generator for lifting Wind turbines；Boom extends, and can lift the blower leaf of distal end Piece, water cooling equipment etc..Therefore, although gear-box (40 tonnes are not) and generator (15 tonnes are not) are mainly lifted, because of lifting Versatility current design entitled " lifting of offshore wind farm unit key components and parts " in principle covers in other Wind turbines All key equipments in portion.

Traditional wind turbine installation vessel, have been unable to meet the economy of current wind-powered electricity generation, practicability, flexibility demand for development. Therefore propose that one kind is used for the installation of offshore wind farm unit components based on common towboat and special hoisting equipment, replaces, to special It is designed with tool, after optimizing to process, obtains a set of completely new, complete hanging device and technical process.

Summary of the invention

The utility model is to provide for a kind of novel hanging device for the lifting of offshore wind farm unit critical component, master Body is the steel construction crane with turnover mechanism；The lifting side of the device and traditional " crane-Wind turbines " relative separation Formula is different, and the nacelle top (inside) that wherein loop wheel machine main body is installed on Wind turbines passes through by the height of tower and cabin Turn mode realizes the promotion of oneself height；To be lifted.

To achieve the above object, the technical solution of the utility model is: one kind being used for offshore wind farm unit key components and parts Hanging apparatus, including main hoister winch, tower, raising line system, turnover mechanism, docking platform, base, the turnover mechanism and Docking platform is lifted on the base in the cabin on tower top, and main hoister winch is placed in the winch fixed platform of tower；Institute State and turnover mechanism be installed on docking platform, and main crane is installed by turnover mechanism, the rope stretching of main hoister winch by base, Train on turnover mechanism is connect with the wirerope of main crane；The turnover mechanism includes turning over fixed gear, turning over driving Gear, speed reducer and motor sub-assembly turn over rack, and the fixed gear of the turn is fixedly connected on above the front of base, turns over Rack is hingedly turned over by turning round pin shaft in the center of the fixed gear of body, turns over and is fixedly connected with docking platform above rack, and installs Driving gear is turned over, driving gear connection speed reducer and motor sub-assembly are turned over, driving gear is turned over and is engaged with fixed gear is turned over Connection, and turn over and drive gear that can rotate around fulcrum post axis under the effect of the motor of speed reducer and motor sub-assembly, and drive overturning Turn rack and the overturning of main crane in mechanism.

When main crane is in speed reducer and motor sub-assembly and after turn over sliding tooth wheel drive backspin and go to vertical stand up position, The docking platform is fixedly connected with base by pin, realizes wide-angle of the main crane by inversion state to vertical upright state Overturning.

Further, it is connected between the main crane and docking platform by swing mechanism, the swing mechanism includes back Turning platform, rotary motor, swiveling gear, swiveling gear is fixed on kingpost lower part, and rotary motor is mounted on revolving platform, and By driving gear to connect back to rotating disk.

Further, the docking platform and kingpost are connected as one, and the main boom of revolving platform and main crane passes through Pin shaft links together.

Further, the kingpost is the cone cylinder structure that bottom diameter is big, top diameter is small.

Further, the main boom structure of the main crane is one of A cabinet frame, truss box beam, along chord member side To for regular length or Extensible.

Further, the main hoister winch is hydraulic wireline winch or electric hoist.

Further, the speed reducer for turning over rack and the motor in motor sub-assembly are hydraulic motor or motor.

The profitable effect of the utility model is:

The utility model provide it is a kind of completely new be suitable for the installation of marine environment high-power wind turbine unit key components and parts, The solution of replacement；It realizes not by Large-scale professional wind turbine installation vessel, only can replace unit key zero with common towboat Component；Overall mechanism high degree of automation, structure are simplified, easy for installation.New equipment is before without the big loop wheel machine lifting of any auxiliary The promotion in achievable suspension centre height is put, solves domestic ocean Wind turbines wind turbine with the combination of a small amount of tool and equipment The big part lifting of group key components and parts is difficult, the dedicated wind turbine installation vessel of lifting needs, wind turbine installation vessel is at high cost, quantity is few, the working days It is uncontrollable, the extremely expensive problem of rent.

Conventional hoist height must be over wind-power tower height, and only one dosage of cantilever crane steel construction is 300 to crane Ton or so.For the utility model by tower height, overall steel construction only needs 15 tons, saves 90% or more steel cost.

Device structure is compact, convenient transportation, and high degree of automation, overall project use cost and blower downtime are far small The professional wind turbine installation vessel used in completion identical operation task；Existing solution is substantially exceeded in terms of economy and operability Certainly scheme.

Detailed description of the invention

Fig. 1 is the hanging apparatus structural schematic diagram for offshore wind farm unit critical component of the utility model；

Fig. 2 is Fig. 1 superstructure partial enlarged view；

Fig. 3 is rope system and lifting train connection schematic diagram.

Fig. 4 is main crane and turnover mechanism structural schematic diagram；

Fig. 5 is kingpost and docking platform structural schematic diagram；

Fig. 6 is main crane rollover states schematic diagram；

Fig. 7 is to turn over rack original state-waiting and crane docking schematic diagram；

Fig. 8 is to turn over rack to turn over to middle section status diagram；

Fig. 9 is that overturning platform and gantry body dock schematic diagram；

Figure 10 is band crane turn-middle section schematic diagram；

Figure 11 is band crane turn-final dropping place stage schematic diagram.

Specific embodiment

The utility model is described in further detail with embodiment with reference to the accompanying drawing.

Such as Fig. 1, shown in 2,3, a kind of hanging apparatus for offshore wind farm unit key components and parts, including main hoister winch 10, cabin 14, main crane 24, tower 40, raising line system 43, winch fixed platform 60, turnover mechanism 6, docking platform 7, machine Seat 17.

Turnover mechanism 6 and docking platform 7 are lifted on the base 17 in the cabin 14 on 40 top of tower.On docking platform 7 Train is installed, wears raising line system 43, and connect with the winch on towboat by raising line system 43, main hoister winch 10 is placed in tower In 40 winch fixed platform 60.Main crane 24 is mounted on turnover mechanism 6, and main hoister winch 10 passes through base 17, overturning Train in mechanism 6 is connect with the wirerope of main crane 24.

Lifting device crane system is integrated into container, close to the tower 40 of offshore wind farm under towboat transport.In wind By docking platform 7 and overturning under motor group is existing or a kind of simple steel structure support auxiliary of the small-sized lifting bracket temporarily installed Mechanism 6 is first lifted into cabin designated position, and to train is installed on turnover mechanism 6, wire rope handling is pulled in the winch being fixed on towboat Under, main hoister winch 10 is drawn to the winch fixed platform 60 in tower, and main hoister winch 10 is fixed on winch and is fixed Platform 60.Outside the cantilevered out cabin 14 of turnover mechanism 6, prepares and main crane 24 docks.Main hoister winch 10 passes through base 17, turns over The train of rotation mechanism 6 is connected with the wirerope of main crane 24, and main hoister winch 10 is started to work, and the promotion of main crane 24 is arrived 14 height of cabin, main crane 24 is whole in uphill process to be inverted；Main crane 24 and turnover mechanism 6 dock.Turnover mechanism 6 Turn gear turn over 180 degree or so under power drive, inverted main crane 24 is righted.Main crane 24 right after with Base 17 is fixed, can be lifted.

The utility model can pacify wind power equipment key large component gear-box, generator, air cooler, blade etc. Dress, disassembly, the operations such as replacement.

As shown in Fig. 4 to Figure 11, turnover mechanism 6 includes turning over fixed gear 51, turning over driving gear 21, speed reducer and horse Up to component 22, rack 23 is turned over, fixed gear 51 is turned over and is fixedly connected on above the front of base 17, turn over fixed gear 51 Center rack 23 is hingedly turned over by revolution pin shaft 20, turn over rack 23 and be fixedly connected with docking platform 7 above, and turn is installed Gear 21 is driven, driving gear 21 is turned over and connects speed reducer and motor sub-assembly 22, turn over driving gear 21 and turns over fixed gear 51 engagement connections, docking platform 7 install main crane 24 above.

Firstly, after 6 rigging out of base 17 and turning over mechanism, it is fixed with cabin 14.Base 17 and the main steel construction of cabin 14 It is connected.Turn over fixation turn-over driving gear 21 and matched speed reducer and motor sub-assembly 22 on rack 23；Turn over sliding tooth Wheel 21 is meshed with fixed gear 51 is turned over, and turns over the driving rotation of gear 21, realizes that turn over driving gear 21 fixes around turn Gear 51 rotates；Rack 23 is turned over around the revolution rotation of pin shaft 20 to drive, and turning over rack 23 from folded state becomes outside Extended state, preparation is docked with main crane 24, to turning over after connecting.

Then, it is rotated under the effect of the motor of speed reducer and motor sub-assembly 22 around revolution pin shaft 20, by main crane 24 It is rotated in place.After being rotated in place, docking platform 7 is inserted into the first and second pin hole 15 on base 17 by the first and second pin 18,19 respectively, 16 and fix (see Figure 11)；Main crane 24 is completed to be overturn by the wide-angle of inversion state to vertical upright state.

Such as Fig. 4, shown in 5, main crane 24 includes main hook 1, main lifting arm 2, kingpost 3, jib lubbing mechanism/train 4, revolution Mechanism 5, power unit 9, span winch 11.

Main hook 1 is connected by wirerope with the train on main 2 top of lifting arm, to reduce wirerope list rope lifting pulling force, this Place is made into more multiplying power movable pulley trains.1 active force of main hook derives from the main hoister winch 10 positioned at tower barrel platform.Main boom 2 is A Cabinet frame formula box beam, compact-sized, crane capacity is strong, and stability is good.Main supporting structure is kingpost 3, by the power of system bearing and Moment of flexure is transmitted on docking platform 7, is eventually transferred on cabin steel construction.Equipment has swing mechanism 5, passes through motor-gear mechanism The revolution of structure drive system, expands the working range of main lifting arm 2.The pitch regulation luffing of main boom 2 relies on 11 He of span winch Train 4 is realized.Upper side power is hydraulic power unit 9, and hydraulic power unit 9 is connected on span winch 11 by general-purpose interface, is mentioned For luffing power；Hydraulic power unit 9 is connected on turn driving gear 21 by general-purpose interface, and driving turning over mechanism 6 provides equipment and turns over Body power；Hydraulic power unit 9 is connected on rotary motor 25 by general-purpose interface, and driving swing mechanism 5 provides equipment rotary motive power.

Swing mechanism 5 includes revolving platform 42, rotary motor 25, swiveling gear 41, and swiveling gear 41 is fixed on kingpost 3 Lower part, rotary motor 25 are mounted on revolving platform 42, and by driving gear to connect back to rotating disk 41.On rotary motor 25 Sliding tooth wheel drive is located at the swiveling gear 41 on kingpost 3, realizes the relative rotation of kingpost 3 and revolving platform 42.Docking Platform 7 and kingpost 3 are connected as one, and revolving platform 42 and main boom 2 are linked together by pin shaft, are driven by motor, Realize main boom 2 relative to docking platform 7 namely relative to the relative rotation of cabin 14.

Bottom luffing pulley 31, main lifting arm top luffing pulley 32, span winch 11 are housed on jib lubbing mechanism and train 4 Wirerope successively by jib lubbing mechanism and train bottom luffing pulley 31, after main lifting arm top luffing pulley 32 it is fixed On bottom luffing pulley 31.Span winch 11 completes the change of 2 pitch angle of main boom by 4 withdrawing rope of jib lubbing mechanism/train Change, realizes luffing.Power source is located at the main hoister winch 10 of platform on the outside of tower from bottom in jib lubbing mechanism/train 4, main The deflecting that the rope stretching 43 of hoister winch 10 passes sequentially through transfer pulley 26, the angle pulley 28 in kingpost, general top end is slided Wheel 29, cantilever crane top angle pulley 30, gin wheel 31 connect main hook 1.Because of revolution of the rope system inside kingpost 3 Central axes, raising train complete rope system from the winch power source of blower fan tower barrel bottom to nacelle top by reasonable wire rope handling Wire rope handling on the main suspension hook of crane arm support, and can guarantee in loop wheel machine turning course, steel wire rope system and structure do not conflict revolution In the process, length of cable in kingpost only need to be reversed, upper section and lower end wirerope are without torsion；Realize power source of hoisting winch It is fixed, the function that executing agency but can still turn round.

As shown in figure 5, it is the cone cylinder structure that bottom diameter is big, top diameter is small that kingpost 3 supports swing mechanism vertically, incline guaranteeing to resist While covering ability, it is ensured that integrally-built lightweight and the maximization of main crane arm A cabinet frame lifting pitching scope of activities.

Main crane 24 is different from traditional lifting equipment, and the main main hoister winch of power source of hoisting is necessary when main lifting revolution of arm Follow revolution；Its train of the utility model and rope system rational deployment, revolution central axes of the rope system inside kingpost 3, revolution The twisting of wirerope is only brought, rope system and structure do not conflict, before realizing main 10 position of the hoister winch fixation of main power source Put freely turning round for main lifting arm.

Docking platform 7 is crane steel structure chassis, the kingpost connecting welding of the upper end and main crane it is integral or Flange bolt connection, lower end pass through the engine room inside steel structure connection of four pin shaft pin shaft holes 15 and Wind turbines；Kingpost 3 is Crane main load-bearing part, wound packages cone structure.It is because of are as follows: bottom major diameter there is better bending resistance to cut that it, which is made into cone structure, Face coefficient, bending resistance are stronger；Upper end cone cylinder, A word cantilever crane size connected to it be can be made smaller, when A word cantilever crane receives arm Closer to kingpost, scope of activities is bigger.

The utility model be different from tradition lifting " crane and blower fan structure are two independent component parts, loop wheel machine and Blower is in discrete state, and loop wheel machine height must be over blower；Main crane is located at engine room inside/top in current process, The fixation of crane is realized in cabin by the connection of docking platform and cabin inherent structure, it is real by tower and cabin altitude The promotion of existing lifting point hoisting height.To eliminate influence of the wave to lifting, main hoister winch 10 is fixed on outstanding on the outside of tower In the fixed platform 60 of extension；Main hoister winch 10 executes two kinds of functions, can both be promoted gantry body to finger with main winch Determine nacelle position, and rear lifting Wind turbines large parts in place can be installed in crane；Dual-use.

Main crane main body structure, main boom structure can be A cabinet frame, can be truss, be also possible to box beam；Its edge Chord member direction can be regular length, or telescopic jib；Main hoister winch can be hydraulic wireline winch and be also possible to electric strand Vehicle；The rotary motive power for turning over power, rotary motor for turning over rack, can be hydraulic motor and is also possible to motor；Docking platform Connection type with structure in cabin is that pin shaft is hinged, or is bolted, riveting etc.；Power source can be hydraulic station Hydraulic power supply, or electric-powered source；The master/slave number of gear teeth of the gear pair of turning over mechanism when modulus, according to reality Border reversal rate and bearing capacity actual needs are adjusted；Main hoister winch rope stretching mode can be two, one roller of double-rope Rope -- 43, or multiple twin vehicle is synchronous, or simple lay vehicle pulls mode.

The workflow of the utility model are as follows: towboat Portable device is close to tower, the small lifting bracket of raising or utilizes wind-powered electricity generation Included lifting equipment inside unit, preparation lifting docking platform and turnover mechanism, lifting docking platform and turnover mechanism, wire rope handling, Main hoister winch moves on to tower fixed platform from towboat under the auxiliary winch effect being located on towboat, and fixed, small lifting branch Frame lifts main winch hawser to docking platform, and wire rope handling prepares lifting.Main hoister winch wire rope handling finishes, and prepares to lift main crane, Turnover mechanism is rotated outward around pin shaft, prepares to dock main crane；Main crane is in inversion state, and main crane is being led It rises under winch drawing, on the outside of lifting to cabin, motor operations are turned in main lifting motor spindle and turnover mechanism docking, and driving is entire System is around master gear rotation is turned over, and by inversion state, gradually righting -- the substantially vertical state of crane is fixed, starts to lift Operation, reverse to reappear after lifting operation, the dismantling for completing equipment is restored.

Claims (8)

1. a kind of hanging apparatus for offshore wind farm unit key components and parts, including main hoister winch, tower, raising line system, Turnover mechanism, docking platform, base, it is characterised in that: the turnover mechanism and docking platform are lifted on the cabin on tower top On interior base, main hoister winch is placed in the winch fixed platform of tower；Turnover mechanism is installed on the docking platform, and is led to It crosses turnover mechanism and main crane is installed, the rope stretching of main hoister winch passes through base, the train on turnover mechanism and main crane Wirerope connection；The turnover mechanism includes turning over fixed gear, turning over driving gear, speed reducer and motor sub-assembly, turn over platform Frame, the fixed gear of the turn are fixedly connected on above the front of base, and the center for turning over fixed gear passes through revolution pin shaft It is hinged to turn over rack, it turns over and is fixedly connected with docking platform above rack, and turn driving gear is installed, turn over driving gear connection Speed reducer and motor sub-assembly, turn over driving gear with turn over fixed gear and engage connection, and turn drive gear in speed reducer and It can be rotated around fulcrum post axis under the motor effect of motor sub-assembly, and turn rack and main crane in turnover mechanism is driven to turn over Turn.

2. the hanging apparatus according to claim 1 for offshore wind farm unit key components and parts, it is characterised in that: work as master Crane is after speed reducer and motor sub-assembly and turn sliding tooth wheel drive backspin go to vertical stand up position, the docking platform It is fixedly connected with base by pin, realizes that main crane is overturn by the wide-angle of inversion state to vertical upright state.

3. the hanging apparatus according to claim 1 for offshore wind farm unit key components and parts, it is characterised in that: described It is connected between main crane and docking platform by swing mechanism, the swing mechanism includes revolving platform, rotary motor, revolution Gear, swiveling gear are fixed on kingpost lower part, and rotary motor is mounted on revolving platform, and are turned by driving gear to connect back to Gear.

4. the hanging apparatus according to claim 1 for offshore wind farm unit key components and parts, it is characterised in that: described Docking platform and kingpost are connected as one, and the main boom of revolving platform and main crane is linked together by pin shaft.

5. the hanging apparatus according to claim 3 or 4 for offshore wind farm unit key components and parts, it is characterised in that: The kingpost is the cone cylinder structure that bottom diameter is big, top diameter is small.

6. the hanging apparatus according to claim 1 for offshore wind farm unit key components and parts, it is characterised in that: described The main boom structure of main crane is one of A cabinet frame, truss box beam, is regular length or scalable along chord member direction Length.

7. the hanging apparatus according to claim 1 for offshore wind farm unit key components and parts, it is characterised in that: described Main hoister winch is hydraulic wireline winch or electric hoist.

8. the hanging apparatus according to claim 1 for offshore wind farm unit key components and parts, it is characterised in that: described Turning over the speed reducer of rack and the motor in motor sub-assembly is hydraulic motor or motor.