A kind of from hoisting type wind power generating set hoisting crane
Technical field
The utility model relates to wind power generating set docking facility field, particularly a kind of from hoisting type wind power generating set hoisting crane.
Background technology
Wind energy is a kind of reproducible clean energy resource.In recent years, along with the enforcement of China < < Renewable Energy Law > >, Wind Power Generation develops at a speed unheard of before.At present, before wind power generating set maintenance, generally adopt tonnage automobile crane to dismantle, after completing, install again, operating efficiency is low, and the lease of hoisting crane has also significantly improved the cost of overhaul of wind power generating set.If maintenance crane is fixedly mounted on aerogenerator, all wind power generating set of wind energy turbine set all need to be equipped with one, and maintenance crane degree of utilization is extremely low, have also significantly improved cost.
Utility model content
The purpose of this utility model is to provide a kind of simple, convenient extraordinary specialized equipment with low cost for aerogenerator maintenance detects.
For achieving the above object, it is a kind of from hoisting type wind power generating set hoisting crane that the utility model provides, comprise service platform and door frame, above described service platform, be fixed with support, the lower end of described door frame and described support are rotationally connected, described door frame bilateral symmetry is provided with amplitude oil cylinder, described in each, amplitude oil cylinder one end and described door frame middle part are rotationally connected, the other end and described support are rotationally connected, on described door frame, be provided with hoisting mechanism, in described service platform one side, be arranged with annular Bao Ta mechanism and lower annular Bao Ta mechanism in parallel, described annular Bao Ta mechanism and lower annular Bao Ta mechanism are arranged on respectively on tower cylinder, described service platform is connected to below, cabin by lift system.It is a kind of from hoisting type wind power generating set hoisting crane that the utility model provides, do not need every typhoon power generator to be all equipped with a docking facility, reduced cost, by upper and lower annular Bao Ta mechanism, embrace tower, load capacity is large, can change heavy weight aerogenerator parts, by amplitude oil cylinder, stretch and drive door frame luffing, while guaranteeing hoisting heavy door frame from and 50 °-130 ° of horizontal plane angles between steady luffing.
As further improvement of the utility model, described in each, in amplitude oil cylinder, be separately installed with Bidirectional balanced valve; Annular Bao Ta mechanism and lower annular Bao Ta mechanism inner side are respectively arranged with track adjusting wheel described.While guaranteeing hoisting heavy by Bidirectional balanced valve is installed in amplitude oil cylinder door frame from and 50 °-130 ° of horizontal plane angles between steady luffing; And in upper and lower annular Bao Ta mechanism inner side, track adjusting wheel is set, in the process promoting, reduce friction, protection tower cylinder.
Wherein, described hoisting mechanism comprises lifting winch, assembly pulley and suspension hook, described lifting winch is fixed on described door frame below one side, described assembly pulley is connected in the middle of described door frame top, described lifting winch is connected with steel rope, and described steel rope is walked around described assembly pulley end and connected described suspension hook, described lift system comprises for the power unit of power is provided, three winchs, four auxiliary devices, three steel ropes and a running block, four rectangular belows that are fixed on cabin of described auxiliary device, described power unit and three winchs are fixed on described service platform, three described winchs lay respectively at wherein three described auxiliary device belows, described in each, winch is connected with a described steel rope respectively, wherein the other end of two described steel ropes is fixed on described service platform by a described auxiliary device of its top respectively again, described running block is fixed on described service platform one side, and with steel rope on a contiguous winch of described running block after a described auxiliary device by above over against it, again by being fixed to again on described service platform after described running block and last vacant auxiliary device, three described winchs drive and rotate by power unit, and described auxiliary device is fixed pulley group.Lift system is by wind-powered electricity generation unit self structure, utilize winch, assembly pulley and rope hoisting system that whole wind-powered electricity generation maintenance detecting device is risen to assigned work height, thereby reach, detect maintenance unit to the maintenance of wind-powered electricity generation unit and testing goal, utilize three winchs on service platform, to fix three hoist points, can guarantee that complete machine is from the balance promoting by adjusting.
The utility model is that a kind of tower cylinder that can utilize overhauls hoisting crane from the wind power generating set promoting, has from promoting, and the lifting of service parts, decline and luffing function.During use, certainly rise to wind power generating set top and carry out operation; After having overhauled, the warehouse-in that oneself lowers, is applicable to the maintenance from different wind power generating set, has significantly saved the maintenance cost of wind energy turbine set, simple in structure, with low cost, easy to use.
It is a kind of from hoisting type wind power generating set hoisting crane that the utility model provides, and is characterized in realizing from promoting, certainly embracing tower, can fit the tower cylinder of wind power generating set various outer diameter; Service platform can leveling, guarantee that complete machine is from the balance promoting and stable; By wind power generating set self structure, complete machine can be promoted to specified altitude assignment operation certainly; By embracing tower apparatus, complete machine is fixed on to operation on tower cylinder, replaced the maintenance form of traditional wind group; Complete machine has reduced to greatest extent the injury to tower cylinder in certainly promoting, certainly decline and embracing the course of action such as tower.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model lift system;
Wherein, 1-cabin, 2-auxiliary device, 3-Bidirectional balanced valve, 4-tower cylinder, the upper annular Bao Ta of 5-mechanism, annular Bao Ta mechanism under 6-, 7-track adjusting wheel, 8-service platform, 9-support, 10-running block, 11-lifts winch, 12-door frame, 13-steel rope, 14-power unit, 15-suspension hook, 16-winch, 17-assembly pulley, 18-amplitude oil cylinder.
The specific embodiment
Below in conjunction with accompanying drawing, describe optimal technical scheme of the present utility model in detail.
As shown in the figure, of the present utility model a kind of from hoisting type wind power generating set hoisting crane, comprise service platform 8 and door frame 12, above described service platform 8, be fixed with support 9, the lower end of described door frame 12 and described support 9 are rotationally connected, described door frame 12 bilateral symmetry are provided with amplitude oil cylinder 18, described in each, amplitude oil cylinder 18 one end and described door frame 12 middle parts are rotationally connected, the other end and described support 9 are rotationally connected, described in each, in amplitude oil cylinder 18, be separately installed with Bidirectional balanced valve 3, on described door frame 12, be provided with hoisting mechanism, in described service platform 8 one sides, be arranged with annular Bao Ta mechanism 5 and lower annular Bao Ta mechanism 6 in parallel, described annular Bao Ta mechanism 5 and lower annular Bao Ta mechanism 6 are arranged on respectively on tower cylinder 4, annular Bao Ta mechanism 5 and lower annular Bao Ta mechanism 6 inner sides are respectively arranged with track adjusting wheel 7 described, described service platform 8 is connected to 1 below, cabin by lift system.
Wherein, described hoisting mechanism comprises lifting winch 11, assembly pulley 17 and suspension hook 15, described lifting winch 11 is fixed on described door frame 12 below one sides, described assembly pulley 17 is connected in the middle of described door frame 12 tops, described lifting winch 11 is connected with steel rope 13, and described steel rope 13 is walked around described assembly pulley 17 ends and connected described suspension hook 15, described lift system comprises for the power unit 14 of power is provided, three winchs 16, four auxiliary devices 2, three steel ropes 13 and a running block 10, four rectangular belows that are fixed on cabin 1 of described auxiliary device 2, described power unit 14 and three winchs 16 are fixed on described service platform 8, three described winchs 16 lay respectively at wherein three described auxiliary device 2 belows, described in each, winch 16 is connected with a described steel rope 13 respectively, wherein the other end of two described steel ropes 13 is fixed on described service platform 8 by a described auxiliary device 2 of its top respectively again, described running block 10 is fixed on described service platform 8 one sides, and with steel rope 13 on a contiguous winch 16 of described running block 10 after a described auxiliary device 2 by above over against it, again by being fixed to again on described service platform 8 after described running block 10 and last vacant auxiliary device 2, three described winchs 13 drive and rotate by power unit 14, and described auxiliary device 2 is fixed pulley group.
It is a kind of from hoisting type wind power generating set hoisting crane that the utility model provides, do not need every typhoon power generator to be all equipped with a docking facility, reduced cost, by upper and lower annular Bao Ta mechanism, embrace tower, load capacity is large, can change heavy weight aerogenerator parts, by amplitude oil cylinder, stretch and drive door frame luffing, while guaranteeing hoisting heavy door frame from and 50 °-130 ° of horizontal plane angles between steady luffing; By Bidirectional balanced valve is installed in amplitude oil cylinder, can realize door frame steady luffing between 0-180 °, in lifting process during hoisting heavy door frame generally from and 50 °-130 ° of horizontal plane angles between luffing; And in upper and lower annular Bao Ta mechanism inner side, track adjusting wheel is set, in the process promoting, reduce friction, protection tower cylinder.
Lift system is by wind-powered electricity generation unit self structure, utilize winch, assembly pulley and rope hoisting system that whole wind-powered electricity generation maintenance detecting device is risen to assigned work height, thereby reach, detect maintenance unit to the maintenance of wind-powered electricity generation unit and testing goal, utilize three winchs on service platform, to fix three hoist points, can guarantee that complete machine is from the balance promoting by adjusting.
In the process of installing, service platform, upper annular Bao Ta mechanism, lower annular Bao Ta mechanism, support, door frame, amplitude oil cylinder are assembled on ground, auxiliary device is fixed on bottom, cabin, the auxiliary device that in winch, built-in steel rope is walked around cabin bottom is fixed on service platform, baudrier is with reference to Fig. 2, and winch drives steel rope to shrink the lifting that realizes complete machine.In upper annular Bao Ta mechanism and lower annular Bao Ta mechanism, be provided with track adjusting wheel, reduced the friction of complete machine and tower cylinder in lifting process, played the effect of protection tower cylinder.If the level angle on complete machine and ground is excessive in lifting process, leveling system is controlled elevator, realizes complete machine leveling.
When complete machine is when rising to control position, tower work is embraced by upper annular Bao Ta mechanism and lower annular Bao Ta mechanism, and the lower annular Bao Ta Bao Ta of mechanism provides and embraces the upper annular Bao Ta Bao Ta of mechanism after tower predetermincd tension, and an armful tower predetermincd tension is provided, and complete machine is fixed on tower cylinder.The flexible door frame luffing that drives of amplitude oil cylinder, lifting winch folding and unfolding steel rope is realized the lifting of weight; Assembly pulley has changed the rope outlet direction of steel rope, has realized the object of weight vertical lifting.After maintenance work completes, upper annular Bao Ta mechanism and lower annular are embraced tower mechanism opening, cancel and embrace tower predetermincd tension, and steel rope is put in winch work makes complete machine from declining.
The utility model is that a kind of tower cylinder that can utilize overhauls hoisting crane from the wind power generating set promoting, has from promoting, and the lifting of service parts, decline and luffing function.During use, certainly rise to wind power generating set top and carry out operation; After having overhauled, the warehouse-in that oneself lowers, is applicable to the maintenance from different wind power generating set, has significantly saved the maintenance cost of wind energy turbine set, simple in structure, with low cost, easy to use.
It is a kind of from hoisting type wind power generating set hoisting crane that the utility model provides, and is characterized in realizing from promoting, certainly embracing tower, can fit the tower cylinder of wind power generating set various outer diameter; Service platform can leveling, guarantee that complete machine is from the balance promoting and stable; By wind power generating set self structure, complete machine can be promoted to specified altitude assignment operation certainly; By embracing tower apparatus, complete machine is fixed on to operation on tower cylinder, replaced the maintenance form of traditional wind group; Complete machine has reduced to greatest extent the injury to tower cylinder in certainly promoting, certainly decline and embracing the course of action such as tower.