CN101962155B - Special lifting machine for lifting wind power generation equipment - Google Patents

Special lifting machine for lifting wind power generation equipment Download PDF

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Publication number
CN101962155B
CN101962155B CN2009101817714A CN200910181771A CN101962155B CN 101962155 B CN101962155 B CN 101962155B CN 2009101817714 A CN2009101817714 A CN 2009101817714A CN 200910181771 A CN200910181771 A CN 200910181771A CN 101962155 B CN101962155 B CN 101962155B
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CN
China
Prior art keywords
tower
arm
vehicle frame
oil cylinder
lifting
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CN2009101817714A
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Chinese (zh)
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CN101962155A (en
Inventor
许贵林
朱弘
黄建军
孙兴文
孙正刚
张施明
吴玉水
Original Assignee
中昇建机(南京)重工有限公司
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Priority to CN2009101817714A priority Critical patent/CN101962155B/en
Publication of CN101962155A publication Critical patent/CN101962155A/en
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Publication of CN101962155B publication Critical patent/CN101962155B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes 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
    • B66C23/62Constructional features or details
    • B66C23/82Luffing gear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes 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
    • B66C23/18Cranes 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
    • B66C23/185Cranes 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 erecting wind turbines

Abstract

The invention discloses a special lifting machine for lifting wind power generation equipment, which has the characteristics of low production cost, smooth operation of the whole machine, low requirements for roads and high field transferring speed. The lifting machine mainly comprises a running chassis, a tower body, a lifting arm, an amplitude variation mechanism of a swinging arm and an electrical control unit, wherein the running chassis comprises a lower frame (A), a slewing mechanism (I) and an upper frame (20), wherein the upper frame (20) is connected with the lower frame (A) through the slewing mechanism (I); and an operating room (13), a balancing weight (19), a power engine (17) and a winch are arranged on the upper frame (20). The invention aims to solve the problems of the lifting equipment required for installation of the wind power equipment; and the installation of the wind power equipment requires that the lifting capacity of the lifting equipment meets the requirement, the lifting height of the lifting equipment meets the requirement, and the lifting equipment needs to be capable of quickly transferring fields. The lifting machine can also be used for lifting in other building industries.

Description

Wind power plant lifts special-purpose loop wheel machine
(1) technical field
The present invention relates to a kind of wind-powered electricity generation lifting special purpose crane tool; Be particularly related to the rubber-tyred traveling gear, extraordinary chassis, the body of the tower that can vertically stretch; Swing luffing mechanism; Folding arm especially integrates the advantage of tyre crane, tower crane, wheel crane and crawler crane, can be the special-purpose loop wheel machine of domestic initiation.
(2) background technology
Wind-powered electricity generation is developed at a too fast speed, the big machinery famine, and wind energy turbine set point volume is big; Distance is oversize between seat in the plane and the seat in the plane, and hoisting depth is high, and weight is big; The lifting environment is abominable, because wind energy turbine set is chosen in areas such as Gobi desert desert, grassland, mountain area, coastal beach and island mostly, so need a kind of loop wheel machine can realize simultaneously that quick transition, fast assembling-disassembling, wind resistance lifting good stability, the high weight of lifting altitude are big, can overcome function such as harsh environment; And the above large automobile crane of the 500t that uses at present and large-scale crawler crane more than the 450t not more than the energy product numerous functions and cost an arm and a leg in one, do not meet present national conditions; So wheel crane and crawler crane are not the desirable weight-lifting equipments of wind-powered electricity generation lifting; To present this situation, be necessary to develop suitable wind power equipment and lift special-purpose loop wheel machine, fill the domestic gaps.
(3) summary of the invention
The present invention is directed to the problem that wheel crane or the crawler crane of present use exist, provide a kind of productive costs low, car load steadily, low to rto request, the wind-powered electricity generation of cut to fast lifts the special purpose crane tool.
The objective of the invention is to realize through following measure:
Wind power plant lifts special-purpose loop wheel machine; It mainly comprises walking chassis, body of the tower, arm, swing arm luffing mechanism and electric control unit; Said walking chassis comprises vehicle frame (A), swing type mechanism (I) and last vehicle frame (20) down, connects through swing type mechanism (I) between last vehicle frame (20) and the following vehicle frame (A); Last vehicle frame (20) is gone up setting operation chamber (13), clump weight (19), power engine (17) and winch; It is characterized in that:
Following vehicle frame (A) is made up of a leg mechanism (B) and traveling gear (C); Traveling gear (C) comprises a plurality of walking tires (1), the hanging oil cylinder (2) that front and back are provided with and turns to oil cylinder (6); Each walking tire (1) is connected down on the vehicle frame through hanging oil cylinder (2) suspension; Each walking tire (1) also is provided with one and turns to oil cylinder (6), each the walking embedded hydraulic drive motor of tire (1) and reductor;
Prop up leg mechanism (B) and be made up of four supporting legs (3) and four support oil cylinders (4), each supporting leg (3) one end is hinged on down vehicle frame (A) middle part, and the other end is captiveed joint with support oil cylinder (4), and the other end of support oil cylinder (4) is provided with straight down.
Described vehicle frame (A) down) forms by anterior (9), middle part (10), rear portion (11) three parts; Anterior (9) and rear portion (11) difference pin joint is on middle part (10); Anterior (9) and rear portion (11) are arranged traveling gear (C) respectively, and a leg mechanism (B) and a swing type mechanism (I) are arranged in middle part (10).
The rod end of each hanging oil cylinder (2) of said traveling gear (C) links to each other with a walking tire (1), and rear end links to each other with a Linkage steering (5) with following vehicle frame (A); Each Linkage steering (5) connects one and turns to oil cylinder (6), turns to the other end of oil cylinder (6) to be fixed on down on the vehicle frame (A); Between the Linkage steering (5) of following vehicle frame anterior (9) and rear portion (11) homonymy again through the connecting rod realization interlock that is connected with each other; The Linkage steering (5) that is connected down the walking tire (1) of unwheeling front and back ends is provided with a connecting lever; Following vehicle frame anterior (9) and rear portion (11) is respectively established a connecting rod (7); This connecting rod (7) connects connecting lever and two walking tires of two Linkage steerings (5) of vehicle frame front and back ends down respectively, realizes the tire interlock of forward and backward both sides.
Said swing arm luffing mechanism (F) comprises the pull bar (30) of swing arm (35), fixed support (29) and fixed support (29) end; Assembly pulley all is equipped with at fixed support (29) two ends; Fixed support (29) one ends connect body of the tower top, arm rear end and swing arm one end, fixed support (29) other end cylinder lever connecting rod (30) simultaneously; Swing arm (35) other end is provided with assembly pulley (32); Be set with two safety ropes (45) between the assembly pulley (32) of fixed support (29) one ends and the assembly pulley (34) of swing arm end; Luffing steel rope (33) is drawn by luffing winch (18); Wear assembly pulley (32) earlier, wear again behind the assembly pulley (34) of swing arm (35) end and be connected on the fixed support (29) around fixed support (29) end; The assembly pulley (32) of swing arm (35) end connects drag-line balance bracket (37), and drag-line (38) is set in the head end of drag-line balance bracket (37) and arm (G).
Said drag-line balance bracket (37) is a triangular supports; Two ends are equipped with zip joint (54) and (55) respectively; Rotating shaft (53) is equipped with in the bottom, and a zip joint (54), zip joint (55), the two ends that drag-line (38) passes drag-line balance bracket (37) end successively are fixed on the head end of arm (G); Drag-line balance bracket (37) is connected with swing arm (35) end through the rotating shaft (53) of bottom.
Said body of the tower is scalable body of the tower (H); The body of the tower structure is inside and outside body of the tower truss structure, and body of the tower (E) in outer body of the tower (D) cover is located through bearing pin between the inside and outside body of the tower; Interior body of the tower (E) top connects the fixed support (29) and the arm (G) of swing arm luffing mechanism; Outer body of the tower (D) bottom is connected with last vehicle frame (20), and two hoisting cables of body of the tower are drawn by two lifting winches (16) that are arranged in outer body of the tower (D) bottom in promoting, and pass two pulleys (48) on outer body of the tower (D) top; Wear two pulleys (49) again, and be fixed in the wedge joint of pulley (48) bottom of outer body of the tower (D) around interior body of the tower bottom.
Also be provided with the body of the tower balancing device, be made up of connecting rod (22) and oil cylinder (21), a connecting rod (22) is respectively established in the both sides of outer body of the tower (D), and two connecting rods (22) connect an oil cylinder (21) respectively, and oil cylinder (21) is connected on the vehicle frame.
Arm (G) is collapsible arm; It is a truss duck tongue type structure; The arm middle part is divided into two joints, connects through bearing pin between two joints, and two folding arm steel ropes are drawn by folding arm winch (15); Some pulleys through inside and outside body of the tower both sides, and wear around the head to arm (G) pulley (51) on the drag-line balance bracket (37) and (52).
The invention solves wind power equipment and lift present loop wheel machine and lack, the problem that productive costs is high, and do not have the problem of desirable loop wheel machine, provide a kind of cost performance good special-purpose loop wheel machine.
The wheel crane or the crawler crane hoisting height height that the invention solves wind power equipment lifting use at present cause crane maximization and cost height, and be high to rto request to work under bad environment, the slow problem of cutting to.Provide a kind of price low, pacify the special-purpose easily loop wheel machine of tearing open, cut to fast.
The present invention invents the unstable problem of the at present existing hoisted in position of wind power equipment lifting that solved.Provide a kind of lifting quick, in place steady, the special-purpose loop wheel machine that efficient is high.
The present invention compares prior art and has following advantage:
1, traveling gear of the present invention adopts the hanging oil cylinder mode, not only reduces the width of car load, and road can not realize at ordinary times that oil cylinder steadily moves, guarantee car load steadily, the planeness of road is reduced greatly, reduce the cost of repairing the roads, accelerate the transition time.
2, each road wheel adopts fluid motor-driven, increases propulsive effort, strengthens the hill climbing ability of car load.
3, steering hardware adopts the mechanism of hydraulic ram and multiple connecting rod assembly, can realize that road wheel turns to synchronously, guarantees the stationarity of car load walking.
4, adopt the hydraulic-driven swing type mechanism, can realize the full circle swinging of 360 degree, hydraulic-driven guarantees rotating stationarity, and stationarity is superior to electrical motor driven greatly.
5, power engine adopts diesel motor, can avoid the wind power equipment installation environment not have the defective of power supply, the propulsion source of this machine.
6, can realize the vertical-lift of interior body of the tower, hoisting height is improved greatly, hoisting capacity is big, can replace to use large automobile crane and large-scale crawler crane, reduces wind-powered electricity generation greatly the loop wheel machine use cost is installed.
7, can folded boom arm, can need not to tear open tower, but just at high speed transition.Practice thrift the transition time
8, below operator's compartment, winch, electric driving force partly are arranged in, can be on ground centralized operation, reduce the aloft work risk, maintaining is convenient.
9, entire machine design is reasonable, and is safe, simple in structure, and the dismounting transition is convenient, and it is many to be particularly useful for the wind power plant lifting point, and environment is abominable, the wind power plant lifting of installation more than 1.5MW.This machine not only can use in the wind power equipment lifting, also can use in other building operation, and along with design-calculated is more and more optimized, range of use will be more and more wide.
(4) description of drawings
Fig. 1 is an assembly drawing of the present invention.
Fig. 2 is the structural representation on walking chassis.
The structural representation on walking chassis when Fig. 3 opens for supporting leg.
Fig. 4 is the enlarged drawing of swing arm luffing mechanism.
Fig. 5 is the structural representation of drag-line balance bracket.
Fig. 6 is the hoisting cable winding scheme drawing of inside and outside body of the tower.
Fig. 7 is each winch winding of the wire rope scheme drawing.
Fig. 8 is the loading performance curve of loop wheel machine of the present invention.
Fig. 9 body of the tower lifting process of the present invention scheme drawing one;
Figure 10 body of the tower lifting process of the present invention scheme drawing two;
Figure 11 body of the tower lifting process of the present invention scheme drawing three;
Figure 12 body of the tower lifting process of the present invention scheme drawing four;
Figure 13 body of the tower lifting process of the present invention scheme drawing five;
Figure 14 body of the tower lifting process of the present invention scheme drawing six.
Figure 15 loop wheel machine folding arm of the present invention process scheme drawing one;
Figure 16 loop wheel machine folding arm of the present invention process scheme drawing two;
Figure 17 loop wheel machine folding arm of the present invention process scheme drawing three;
Figure 18 loop wheel machine folding arm of the present invention process scheme drawing four.
Figure 19 is a loop wheel machine walking process scheme drawing one of the present invention;
Figure 20 is a loop wheel machine walking process scheme drawing two of the present invention.
Among the figure: vehicle frame, B-prop up leg mechanism under the A-; The C-traveling gear; The outer body of the tower of D-; Body of the tower in the E-; F-swing arm luffing mechanism; The G-arm; The scalable body of the tower of H-; The I-swing type mechanism; The J-amplitude.
The 1-tire of walking; The 2-hanging oil cylinder; The 3-supporting leg; The 4-support oil cylinder; 6-turns to oil cylinder; The 5-Linkage steering; 6-turns to oil cylinder; The 7-Linkage steering; The 8-connecting rod; Vehicle frame is anterior under the 9-; Vehicle frame middle part under the 10-; Vehicle frame rear portion under the 11-; The 12-connecting lever; The 13-operator's compartment; The 14-winch that hoists; 15-folding arm winch; The 16-lifting winch; The 17-power engine; 18-luffing winch; The 19-clump weight; The last vehicle frame of 20-; The 21-oil cylinder; 22-inclination strut; The 23-body of the tower; The 24-body of the tower; The 25-body of the tower; The 26-body of the tower; The 27-body of the tower; The 28-body of the tower; The 29-fixed support; The 30-pull bar; The 31-joint; The 32-assembly pulley; 33-luffing steel rope; The 34-assembly pulley; The 35-swing arm; 36-drag-line tap; 37-zip balance bracket; The 38-drag-line; The 39-gib head; The 40-arm; The 41-arm; The 42-arm; The 43-arm; The 44-assembly pulley; The 45-safety rope; The 46-assembly pulley; The 47-assembly pulley; The 48-pulley; The 49-pulley; The 50-hoisting cable; The 51-pulley; The 52-pulley; The 53-rotating shaft; The 54-cable connector; The 55-cable connector.
(5) specific embodiment:
Below in conjunction with accompanying drawing the present invention is done further description:
Wind-powered electricity generation of the present invention lifts special-purpose loop wheel machine and comprises extraordinary walking chassis, scalable body of the tower H, swing arm luffing mechanism F, folding arm mechanism and electric control unit, and this electric control unit can adopt the PLC Programmable Logic Controller to realize automatic guidance.Integral structure of the present invention is as shown in Figure 1.
Like Fig. 2, shown in Figure 3, walking of the present invention chassis comprises vehicle frame 20, down vehicle frame A and swing type mechanism I three parts, that following vehicle frame A is divided into is forward and backward, in three parts, can solve of restriction and the modularization assembling of loop wheel machine long-distance transport to volume; Forward and backward two parts respectively hang 6 walking tires, and 6 tires are distributed in both sides, and car load has 12 tires; Walking tire 1 embedded fluid motor-driven and reductor, through fluid control wheel tyre walking, each walking tire 1 adopts a hanging oil cylinder 2; One end of each hanging oil cylinder 2 is connected on the tire axle; Hanging oil cylinder 2 other ends are through being bolted to down the both sides at vehicle frame anterior 9 and rear portion 10, and each hanging oil cylinder 2 is also joined with a Linkage steering 5 with following vehicle frame 20 coupling ends, and Linkage steering 5 other ends connect one and turn to oil cylinder 6; Turn to oil cylinder 6 to have 12, control the rotation direction of each walking tire 1 respectively.
Between the Linkage steering 5 of following vehicle frame A homonymy, be connected with each other through connecting rod 8 again; Being positioned at down, the Linkage steering 5 of the walking tire 1 of vehicle frame front and back ends is provided with a connecting lever 12; Following vehicle frame front and back ends is respectively established one and is turned to 7 connecting rods, and this Linkage steering 7 connects the connecting lever 12 and the tire of the Linkage steering 5 of vehicle frame front and back ends down respectively.This Linkage steering 7 is connected as a single entity the tire of forward and backward both sides, and vehicle frame each 6 tire anterior, the rear portion can turn to simultaneously under forming, and realize turning to of road wheel through hydraulic pressure.Descend turning to of vehicle frame A both sides to link into an integrated entity like this, through the reductor independent drive, promptly each tire all is a drive wheel to each tire by HM Hydraulic Motor during the wheel tyre walking; Improve the walking power-handling capability greatly, increase the hill climbing ability of car load, the longitudinal gradient ability can reach 30% horizontal wall inscription ability can reach 10%; Because each road wheel all by a hanging oil cylinder suspension, runs into the road surface and is uneven, and adjusts the balance of car load automatically at any time through oil cylinder; Condition of road surface is required to reduce, be very beneficial for the car load walking; Because tire adopts the mode of hanging oil cylinder, reduce the width of entire vehicle tyre more, the car load width is no more than 5m, and the width requirement of travel is reduced greatly, practices thrift a large amount of construction roads and builds cost; Be connected through high strength bolt between the pivoting support of swing type mechanism and last vehicle frame and the following vehicle frame,, can make loop wheel machine realize 360 degree full circle swingings, make things convenient for the wind power equipment lifting through the action of fluid motor-driven swing type mechanism; Swing type mechanism adopts hydraulic-driven, has better wind loading rating, and revolution inertia is less, and is in place stable.
Both sides, following vehicle frame A middle part respectively distribute two and prop up leg mechanisms, and a leg mechanism is made up of supporting leg and support oil cylinder, and supporting leg 3 one ends are hinged on down vehicle frame middle part 10, and the other end is captiveed joint with support oil cylinder 4, and the other end of support oil cylinder 4 is provided with straight down.Supporting car load when car load installation, dismounting, lifting, decline, folding arm and lifting, support oil cylinder 4 can single movements, can guarantee the balance and stability of loop wheel machine according to the height adjustment oil cylinder elongation of supporting station; Because leg 3 hinged vehicle frame middle parts 10 down, promptly supporting leg 3 can be packed up supporting leg 3 during walking for making things convenient for the structure of folding, and preceding employing locations is fixed.During use, four supporting legs 3 are produced, and adopt the positioning element location, adjustment support oil cylinder 4 gets final product.The supporting capacity of hanging oil cylinder 2 wherein confirms that according to complete vehicle weight the supporting capacity of support oil cylinder 4 is comprehensively confirmed according to complete vehicle weight and lifting operating mode.
The vehicle frame 20 of going up of the present invention is provided with power engine, and power engine is a diesel motor, solves the defective that wind energy turbine set does not have the power supply supply; The diesel engine drives hydraulic power unit; Driving engine drives Hydraulic Pump through auxiliary gear box; Move, turn to cylinder action through hydraulic valve bank modulated pressure motor driven wheel tyre walking, the action of tire support oil cylinder, hanging oil cylinder; Drive each HM Hydraulic Motor action of winch, and the action of swing type mechanism.It is anterior that the winch 14 that hoists is fixed in vehicle frame; The luffing winch is fixed in the rear portion of vehicle frame; The folding arm winch 15 that the lifting winch 16 that body of the tower is used in 2 liftings and 2 folded boom arm are used all is fixed on below the vehicle frame body of the tower; 2 lifting winch 16 forward and backward being arranged in below the outer body of the tower, 2 folding arm winch 15 left and right being arranged in below the outer body of the tower, each winch is through each winch action of fluid motor-driven; The folding and unfolding of control steel rope, through different assembly pulleys realize hoisting, the realization of actions such as luffing, lifting body of the tower, folded boom arm; Clump weight is placed in the rear portion 11 of vehicle frame, and last vehicle frame rear portion 11 is connected with fixed support 29 through 2 pull bars of being made up of some sections different in size 30, can control the balance of fixed support 29 when work, realizes that the normal operation of loop wheel machine is not toppled; Driver operation chamber 13 is positioned at the forefront of upper body, the visual field of open lifting, during work, operator's compartment 13 can control car load walking, turn to, turn round, hoist, luffing, lifting and actions such as decline body of the tower, folded boom arm.
Body of the tower is flexible: body of the tower D and outer body of the tower E in body of the tower divides, outer body of the tower E divide 3 joints to form, and interior body of the tower D is made up of 3 joints, and outer body of the tower E and interior body of the tower D contain the flexible pulley of using of some bodies of the tower.Outer body of the tower E and interior body of the tower D adopt truss structure; Body of the tower D in the cover of outer body of the tower E the inside; Interior body of the tower main chord adopts extraordinary angle steel, and outer body of the tower main chord adopts the special alloy steel square tube, and is hinged through high-strength pin between each joint of inside and outside body of the tower; Easy disassembly, the bottom joint of outer body of the tower E is connected through 2 bearing pins with last vehicle frame.
The body of the tower balancing device is made up of connecting rod 22 and oil cylinder 21, and the both sides of outer body of the tower D are respectively established a connecting rod 22, two connecting rods 22 and connected an oil cylinder 21 respectively, and oil cylinder 21 is connected on the vehicle frame, and oil cylinder 21 can be controlled the squareness of body of the tower, and convenient peace is torn open and cut to.The winding of the wire rope of inside and outside body of the tower is as shown in Figure 6.Need be not more than 30 degree to the tilt angled down of arm when body of the tower is flexible; And sling with auxiliary loop wheel machine; Two hoisting cables 50 of body of the tower are drawn by two lifting winches 16 that are arranged in outer body of the tower D bottom in promoting; Pass two assembly pulleys 48 on outer body of the tower D top, wear two assembly pulleys 49 again, and be fixed on the assembly pulley 48 of outer body of the tower D around interior body of the tower bottom.The winding of hoisting cable 50 is as shown in Figure 6.Along with lifting winch 16 folding and unfolding steel ropes, auxiliary loop wheel machine also must raise or descend simultaneously.Body of the tower lifting process such as Fig. 9-shown in Figure 14.
The swing arm luffing mechanism: as shown in Figure 4, luffing mechanism comprises fixed support 29, swing arm 35, luffing assembly pulley 32,34, and 30 two of balancing pull rods, safety rope 45 (steel rope) are formed; Balancing pull rod 30 is made up of the different sections of some length, and swing arm 35 is connected with luffing assembly pulley 34 and luffing assembly pulley 32 respectively with fixed support 29 1 ends, luffing steel rope 33 through assembly pulley wear around; And two safety ropes 45 are installed between the assembly pulley, angle between swing arm 35 and the fixed support 29 when safety rope 45 controls are installed, swing arm 35 1 ends and arm G one end and fixed support 29 are connected through bearing pin; The arm G other end connects drag-line 38, and drag-line 38 is connected through bearing pin on the cable connector 54 and 55 of drag-line balance bracket 37, forms a fixing triangle when working between drag-line balance bracket 37, arm G and the drag-line 38; Angle reaches maxim and remains unchanged between swing arm and the arm, when wearing around luffing steel rope 33, lets drag-line 38 not tighten; After luffing steel rope 33 is worn and wound, slowly start luffing winch 18, pack up steel rope; Come arm G pull-up; This moment, safety rope 45 was not tightened, and drag-line 38 is tightened, and was connected through bearing pin between drag-line 38 and arm G and the swing arm 35.
As shown in Figure 5; Drag-line balance bracket 37 is a triangle frame; Two ends are equipped with zip joint 54 and 55 respectively, and rotating shaft 53 is equipped with in the bottom, and a zip joint 54, zip joint 55, the two ends that drag-line 38 passes drag-line balance bracket 37 ends successively are fixed on the head end of arm G; Drag-line balance bracket 37 is connected with swing arm 35 ends through the rotating shaft 53 of bottom.Assembly pulley 34 is connected in the rotating shaft of drag-line balance bracket.
Arm is folding: arm G is made up of 4 joint truss-like arms, first end two joint variable sections, and middle two joint uniform cross section and equal length adopt bearing pin to connect between the two joint arms; Folded boom arm wherein, in the middle of middle two joint arms, the folding arm process is: before the folding arm, need lower body of the tower; The auxiliary loop wheel machine arm front end of having sling, the arm head lands, and removes hoist rope, removes gib head 39; Drag-line 38 is in not tensioned state, can remove 2 bearing pins of the lower edge between the middle two joint arms, and through 2 pulleys on the body of the tower and through the assembly pulley 34 of swing arm 35 upper ends, fag end one end is arm G front end fixedly when the folding arm steel rope was installed; The auxiliary loop wheel machine arm G head of slinging, slowly along ground to body of the tower near, up to the joint of an arm G lower edge segment distance separately; Remove auxiliary loop wheel machine, simultaneously can start the folding arm winch, 2 folding arm winchs 15 are arranged in both sides below the outer body of the tower; Slowly the front end of pull-up arm G up to arm G two parts altogether, hangs over the body of the tower front portion.
Transition: after arm G is folding, can implement transition, also must remove counterweight before the transition,, pack up support oil cylinder 4, let tire land, rotate supporting leg 3 and be fixed on down the stage casing of vehicle frame, start the traveling gear walking and cut to service vehicle's transition.The transition state is shown in Figure 19-20.Because the hoisting height of the different units of lifting is different, the height of body of the tower is also different, and highly different after body of the tower shrinks, the body of the tower operating mode can satisfy the installation of 1.5MW to 3.0MW and above unit.Can realize the transition of different body of the tower height behind the tower crane folding arm.Folding arm process such as Figure 15-shown in Figure 180.
Hoist rope is drawn by the winch 14 that hoists; Wear the assembly pulley on outer body of the tower D and interior body of the tower E; Assembly pulley 46 and 47 through interior body of the tower top; Pulley on arm G 44 is worn around to arm G head again, through the assembly pulley 45 and assembly pulley 6 multiplying powers (or other many multiplying powers) on the gib head 39 of arm G end wear around.
The winding of the wire rope of each winch is as shown in Figure 7 among the present invention, wherein in the hoisting cable winding, and m=2; M=1 in the folding arm winding of the wire rope; M=6 in the steel wire winding that hoists, m=12 in the luffing winding of the wire rope.
The performance perameter table of loop wheel machine of the present invention is following:
The loading performance of loop wheel machine of the present invention is as shown in Figure 8, and the parameter of loading performance curve is following among Fig. 8:
Amplitude (m) 11.0-15 20.0 25.0 30.0 35.0 41.5
Angle (°) 80-74.8 67.8 60.7 52.6 44.4 30.0
Lift heavy (t) 80.0 56.8 42.9 33.6 24.2 15.0
According to the winch load-carrying ability and the multiplying power that hoists of hoisting, lift heavy can strengthen or reduce.Change different length of boom, can realize the variation of work range, also can realize the increase of specified hoisting moment or reduce.Amplitude is that loop wheel machine body of the tower center is to the horizontal throw J between the suspension hook (like Figure 18).

Claims (8)

1. wind power plant lifts special-purpose loop wheel machine; It mainly comprises walking chassis, body of the tower, arm, swing arm luffing mechanism and electric control unit; Said walking chassis comprises vehicle frame (A), swing type mechanism (I) and last vehicle frame (20) down, connects through swing type mechanism (I) between last vehicle frame (20) and the following vehicle frame (A); Last vehicle frame (20) is gone up setting operation chamber (13), clump weight (19), power engine (17) and winch; It is characterized in that:
Following vehicle frame (A) is made up of a leg mechanism (B) and traveling gear (C); Traveling gear (C) comprises a plurality of walking tires (1), the hanging oil cylinder (2) that front and back are provided with and turns to oil cylinder (6); Each walking tire (1) is connected down on the vehicle frame through hanging oil cylinder (2) suspension; Each walking tire (1) also is provided with one and turns to oil cylinder (6), each the walking embedded hydraulic drive motor of tire (1) and reductor;
Prop up leg mechanism (B) and be made up of four supporting legs (3) and four support oil cylinders (4), each supporting leg (3) one end is hinged on down vehicle frame (A) middle part, and the other end is captiveed joint with support oil cylinder (4), and the other end of support oil cylinder (4) is provided with straight down.
2. wind power plant according to claim 1 lifts special-purpose loop wheel machine; It is characterized in that: described vehicle frame (A) down is made up of anterior (9), middle part (10), rear portion (11) three parts; Anterior (9) and rear portion (11) difference pin joint is on middle part (10); Anterior (9) and rear portion (11) are arranged traveling gear (C) respectively, and a leg mechanism (B) and a swing type mechanism (I) are arranged in middle part (10).
3. wind power plant according to claim 2 lifts special-purpose loop wheel machine, it is characterized in that:
The rod end of each hanging oil cylinder (2) of said traveling gear (C) links to each other with a walking tire (1), and rear end links to each other with a Linkage steering (5) with following vehicle frame (A); Each Linkage steering (5) connects one and turns to oil cylinder (6), turns to the other end of oil cylinder (6) to be fixed on down on the vehicle frame (A); Between the Linkage steering (5) of following vehicle frame anterior (9) and rear portion (11) homonymy again through the connecting rod realization interlock that is connected with each other; The Linkage steering (5) that is connected down the walking tire (1) of vehicle frame front and back ends is provided with a connecting lever; Following vehicle frame anterior (9) and rear portion (11) is respectively established a connecting rod (7), and this connecting rod (7) connects connecting lever and two walking tires of two Linkage steerings (5) of vehicle frame front and back ends down respectively.
4. lift special-purpose loop wheel machine according to claim 1,2 or 3 described wind power plants; It is characterized in that: said swing arm luffing mechanism (F) comprises the pull bar (30) of swing arm (35), fixed support (29) and fixed support (29) end; Assembly pulley all is equipped with at fixed support (29) two ends; Fixed support (29) one ends connect body of the tower top, arm rear end and swing arm one end, fixed support (29) other end cylinder lever connecting rod (30) simultaneously; Swing arm (35) other end is provided with assembly pulley (34); Be set with two safety ropes (45) between the assembly pulley (32) of fixed support (29) other end and the assembly pulley (34) of the swing arm other end; Luffing steel rope (33) is drawn by luffing winch (18); Wear between the assembly pulley (34) of the assembly pulley (32) of fixed support (29) other end and swing arm (35) other end around after, be connected on the fixed support (29); The assembly pulley (34) of swing arm (35) other end connects drag-line balance bracket (37), and drag-line (38) is set in the head end of drag-line balance bracket (37) and arm (G).
5. wind power plant according to claim 4 lifts special-purpose loop wheel machine; It is characterized in that: said drag-line balance bracket (37) is triangular supports; Two ends are equipped with the first zip joint (54) and the second zip joint (55) respectively; Rotating shaft (53) is equipped with in the bottom, and the first zip joint (54), the second zip joint (55), the two ends that drag-line (38) passes drag-line balance bracket (37) end successively are fixed on the head end of arm (G); Drag-line balance bracket (37) is connected with swing arm (35) other end through the rotating shaft (53) of bottom.
6. wind power plant according to claim 5 lifts special-purpose loop wheel machine; It is characterized in that: said body of the tower is scalable body of the tower (H); The body of the tower structure is inside and outside body of the tower truss structure; Body of the tower (E) in outer body of the tower (D) cover, through the bearing pin location, interior body of the tower (E) top connects the fixed support (29) and the arm (G) of swing arm luffing mechanism between the inside and outside body of the tower; Outer body of the tower (D) bottom is connected with last vehicle frame (20), and two hoisting cables of body of the tower are by two lifting winches that are arranged in outer body of the tower (D) bottom in promoting
(16) draw, pass two pulleys (48) on outer body of the tower (D) top, wear again around interior body of the tower bottom
Two pulleys (49), and be fixed on the joint of pulley (48) bottom of outer body of the tower (D).
7. wind power plant according to claim 6 lifts special-purpose loop wheel machine; It is characterized in that: also be provided with the body of the tower balancing device; Form by connecting rod (22) and oil cylinder (21); A connecting rod (22) is respectively established in the both sides of outer body of the tower (D), and two connecting rods (22) connect an oil cylinder (21) respectively, and oil cylinder (21) is connected on the vehicle frame.
8. wind power plant according to claim 6 lifts special-purpose loop wheel machine, it is characterized in that: said arm (G) is collapsible arm, and it is a truss duck tongue type structure; The arm middle part is divided into two joints; Connect through bearing pin between two joints, two folding arm steel ropes are drawn by folding arm winch (15), the some pulleys through inside and outside body of the tower both sides; And, wear around head to arm (G) through the assembly pulley (34) of the swing arm other end.
CN2009101817714A 2009-07-23 2009-07-23 Special lifting machine for lifting wind power generation equipment CN101962155B (en)

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