CN108792969A - A kind of Lifting device of crane - Google Patents
A kind of Lifting device of crane Download PDFInfo
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- CN108792969A CN108792969A CN201810735507.XA CN201810735507A CN108792969A CN 108792969 A CN108792969 A CN 108792969A CN 201810735507 A CN201810735507 A CN 201810735507A CN 108792969 A CN108792969 A CN 108792969A
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- Prior art keywords
- pulley
- wirerope
- suspension hook
- arm
- mounting base
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- 239000000725 suspension Substances 0.000 claims abstract description 78
- 230000001154 acute effect Effects 0.000 claims abstract description 24
- 238000013461 design Methods 0.000 claims description 9
- 244000261422 Lysimachia clethroides Species 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 241000272814 Anser sp. Species 0.000 claims 1
- 238000009434 installation Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 244000062793 Sorghum vulgare Species 0.000 description 5
- 235000019713 millet Nutrition 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 206010052428 Wound Diseases 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
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- 238000012827 research and development Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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- 238000004146 energy storage Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/68—Jibs foldable or otherwise adjustable in configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The present invention relates to a kind of Lifting devices of crane.A kind of Lifting device of crane, the device includes hoisting mechanism, main crane arm and luffing arm, the main crane arm is made of four section extension sleeves, first sleeve is arranged in outermost, 4th sleeve is arranged in most inner side, it is provided with the first suspension hook mounting base at the top of 4th sleeve, the first suspension hook is provided in the first suspension hook mounting base；It is provided with the first truss frame for connecting above first suspension hook mounting base, obtuse angle English truss is provided with above the first truss frame for connecting, the first acute angle part of obtuse angle English truss is upward；The luffing arm includes acute angle English truss, the first main couple, the second main couple and luffing driving device, the top corner part of the acute angle English truss is hinged with the first acute angle part of obtuse angle English truss upward, and the first main couple is fixed at the top of acute angle English truss.Device comprehensively solve large-scale wind driven generator is overweight, the lifting of superelevation, blade super large part, lifting problem.
Description
Technical field
The present invention relates to a kind of Lifting devices of crane.
Background technology
Wind-power electricity generation refers to that the kinetic energy kept watch switchs to electric energy.Wind is a kind of energy of not public hazards, non-using wind-power electricity generation
Chang Huanbao, and the electric energy that can be generated is very huge, therefore more and more countries more pay attention to wind-power electricity generation.Wind energy is as one
The clean regenerative resource of kind, is increasingly paid attention to by countries in the world.Its amount of accumulateing is huge, and global wind energy is about 2.74 × 10
^9MW, wherein available wind energy is 2 × 10^7MW, the water energy total amount than that can be developed and used on the earth is also 10 times big.
THE WIND ENERGY RESOURCES IN CHINA is abundant, about 1,000,000,000 kW of the wind energy content that can be developed and used, wherein wind farm in China land windward
About 2.53 hundred million kW of energy storage capacity（Land is liftoff 10m height material computations）, the marine wind energy content about 7.5 hundred million that can be developed and utilized
KW amounts to 1,000,000,000 kW.And about 5.67 hundred million kW of 2003 end of the year whole nation electric power installation.
Wind is one of the energy of not public hazards.And it is inexhaustible.For water shortage, short bunker and traffic
Inconvenient offshore islands, Pastoral Areas, mountain area and plateau band utilizes wind-power electricity generation to adaptation to local conditions, is very suitable for, having greatly can
For.Offshore wind farm is the key areas of Renewable Energy Development, is the important force for pushing wind power technology progress and industrial upgrading,
It is the important measures for promoting Energy restructuring.China's offshore wind energy resource is abundant, accelerates offshore wind farm project construction, for promoting
Into coastal area improvement atmospheric haze, readjusting the energy structure is of great significance with Economic Development Mode Conversion.
With the research and development of large-scale wind driven generator, the weight of fuselage constantly increases, and tower body is higher and higher, if do not solved lifting
The problem of lifting all will greatly restrict the research and development of large-scale wind driven generator, production, maintenance, maintenance.At present by wind-force
Generating set is lifted into installation connection at the top of wind tower and completes installation admittedly, and the entire construction period is long, needs large-scale special floating
It hangs, constructional difficulties, costly, risk is big.
Invention content
In order to solve the above technical problems, the object of the present invention is to provide a kind of Lifting device of crane, the devices
Comprehensively solve large-scale wind driven generator is overweight, the lifting of superelevation, blade super large part, lifting problem.
In order to achieve the above purpose, present invention employs technical solutions below：
A kind of Lifting device of crane, the device include hoisting mechanism, main crane arm and luffing arm, the main crane arm
It is made of four section extension sleeves, the setting of the first sleeve is arranged in outermost, 4th sleeve in most inner side, at the top of 4th sleeve
It is provided with the first suspension hook mounting base, the first suspension hook is provided in the first suspension hook mounting base；Setting above first suspension hook mounting base
There is the first truss frame for connecting, obtuse angle English truss, the first acute angle part of obtuse angle English truss are provided with above the first truss frame for connecting
Upward；
The luffing arm includes acute angle English truss, the first main couple, the second main couple and luffing driving device, described
The top corner part of acute angle English truss is hinged with the first acute angle part of obtuse angle English truss upward, the fixed setting of the first main couple
On the top of acute angle English truss, and the second suspension hook mounting base is provided at the top of the first main couple, the second suspension hook mounting base
On be provided with the second suspension hook；Second main couple is fixed at the top of the second suspension hook mounting base, the second main couple
Top is fixedly installed third suspension hook mounting base, and third suspension hook is provided in third suspension hook mounting base；
The hoisting mechanism includes the first load reel, the second load reel, third load reel and amplitude-changing drum, described
First suspension hook is connected by the first wirerope with the first load reel；Second suspension hook passes through the second wirerope and the second load reel phase
Even, third suspension hook loads reel with third by third wirerope and is connected；
The luffing driving device includes the first variable amplitude support, the second variable amplitude support, the first amplitude draw-bar, the second amplitude draw-bar
With third amplitude draw-bar；The inner end of first variable amplitude support is hingedly arranged in the upward first sharp of obtuse angle English truss
Corner, the bottom of first amplitude draw-bar and the outboard end of the first variable amplitude support are hinged, the top of the first amplitude draw-bar
It being hinged with the third suspension hook mounting base, the inner end of second variable amplitude support is hingedly arranged in the second acute angle part,
The upper end of second amplitude draw-bar and the outboard end of the first variable amplitude support are hinged, the lower end of the second amplitude draw-bar and the second luffing branch
The outboard end of frame is hinged, and the upper end of the third amplitude draw-bar and the outboard end of the second variable amplitude support are hinged, and third becomes
The lower end of width pull rod is hingedly provided with pulley mechanism, and pulley mechanism is connected with the amplitude-changing drum by the 4th wirerope.
As a further improvement, it includes strainer support base, under two that the Lifting device, which further includes stable supporting device,
Tensioner arm and two upper tensioner arms, the inner end of strainer support base is hingedly arranged at the top of the first sleeve, and is being tensioned
The 5th oil cylinder of setting between the first sleeve of mechanism supports seat lower part and the outboard end of strainer support base, described two lower
Tight arm is opened by eight words, and the inner end of two lower tensioner arms, which is respectively articulated with, to be arranged in the side of strainer support base, each
It is respectively arranged with the 4th oil cylinder between lower tensioner arm and strainer support base；The outboard end of the lower tensioner arm is provided with
One wirerope connector, and the bottom of the first sleeve is provided with the second wirerope connector, the first wirerope connector and the second wirerope
Connector is connected by the 5th wirerope；The upper tensioner arm of described two is also pressed eight words and is opened, the inner end of two upper tensioner arms
It being respectively articulated with and is arranged at the middle part of the first truss frame for connecting, the outboard end upper articulation of upper tensioner arm is provided with the first pull rod, and first
The upper end of pull rod is hingedly arranged is provided with the second drawing in the outboard end lower hinge at the top of the first truss frame for connecting, upper tensioner arm
Bar, the bottom of the second pull rod are provided with first pulley, and the outboard end of two lower tensioner arms is provided with second pulley group, and first
Pulley is connected with second pulley group by the 6th wirerope.
As a further improvement, second pulley group includes second pulley, third pulley, roller, roller frame and second pulley
Assembly housing；Second pulley assembly housing is fixedly mounted on the outboard end of lower tensioner arm；Second pulley is mounted on second by revolute pair
On pulley assembly housing, second pulley rotates to adjust the length of the 5th wirerope；Third pulley is mounted on second pulley assembly housing
Shell on, third pulley is fixed at work；5th wirerope one ends wound is on third pulley, after passing through first pulley, separately
One ends wound is in second pulley；When main crane arm elongation, the elongation of the 6th wirerope causes second pulley to rotate, when main crane arm is stretched
Length reaches specified altitude assignment, and second pulley stops operating, and tightens the 6th wirerope, to reach tensioning purpose；Roller passes through roller frame
Mounted on the upper surface of second pulley assembly housing, roller is located at the both sides of the 6th wirerope, in the 6th wirerope telescopic process, roller
For protecting the 6th wirerope, the 6th wirerope and second pulley assembly housing CONTACT WITH FRICTION are avoided.
As a further improvement, tensioner arm mounting base is provided in the middle part of the first truss frame for connecting, tensioner arm mounting base both sides
The hinged angled setting in spot hole position, the inner ends of two upper tensioner arms are respectively hinged in tensioner arm mounting base, upper tensioner arm
Between be welded with the reinforcer with dog-ear.
As a further improvement, the first variable amplitude support includes ladder bed structure, the 4th pulley bracket and the 4th pulley；First becomes
Width rack body structure is ladder bed structure, and the 4th pulley bracket is mounted on third and fourth from the first variable amplitude support free end
On crosspiece, the 4th pulley is mounted on by revolute pair on the 4th pulley bracket, and the second wirerope for being wrapped in the second load reel is worn
The 4th crosspiece gap and the 4th pulley contact of the second variable amplitude support are crossed, the 4th pulley changes the second wirerope traffic direction, causes
The second wirerope is set to be connected with the second suspension hook；The third wirerope for being wrapped in third load reel passes through the third of the second variable amplitude support
Crosspiece gap and the 4th pulley contact, the 4th pulley change third wirerope traffic direction, cause third wirerope and third suspension hook phase
Even.
As a further improvement, third suspension hook mounting base includes gooseneck boom arm truss, the 5th leading block, the second leading block
Group and pulley cheek, pulley cheek are mounted on the both sides on gooseneck boom arm top, the 5th leading block and the second leading block group it is upper
Pulley is mounted on pulley cheek；The lower sheave of second leading block group is mounted on third suspension hook；Third wirerope is around being located at
On five leading blocks and the second leading block group, third loads folding and unfolding third wirerope during spool turns, to drive third
The lifting of suspension hook.
As a further improvement, being provided with fan blade carrier on third suspension hook.
As a further improvement, fan blade carrier includes first band class hoist cable, the first bolt, the second bolt, third bolt,
Four bolts, the 5th bolt, the first lifting lug, the second lifting lug, third lifting lug, carrier bar, the second band class hoist cable, hanger bar, fan blade support
Plate and T-type frame；
The first band class hoist cable right end is set there are one fixed point, and left end is equipped with two fixing points, first band class hoist cable middle part
To the left to be equipped with bifurcation, which can be caught in two hook grooves of third suspension hook, and bifurcation and the third of bifurcation structure are hung
The hook arm of hook is in contact；There are one point, the other end and longeron middle part is fixedly mounted for the upper and lower surface design of T-type frame crossbeam one end
Fixed, the upper and lower surface at longeron both ends separately designs that there are one fixed points；Three the first lifting lugs are fixed on T-type frame crossbeam and longeron
Upper surface, the first bolt pass through the first lifting lug fixation circular hole and first band class hoist cable fixing end mounting hole, by T-type frame
It is connected with first band class hoist cable；T-type frame collectively constitutes the stabilization tetrahedral structure in space with first band class hoist cable；It is another that there are three the
Two lifting lugs are fixed on the lower surface of T-type frame crossbeam and longeron, this three the second lifting lug opening directions are parallel to T-type frame longeron；It is outstanding
Hanging rod both ends are designed with mounting hole, and two hanger bars are fixed on by bolt on the second lifting lug, and it is vertical that two hanger bars are located at T-type frame
Below beam, two pieces of carrier bar upper ends are mounted on by the 4th bolt on the second lifting lug of T-type frame crossbeam lower surface, the second band class hoist cable
It is mounted on carrier bar lower end around the 5th bolt, the second band class hoist cable material is soft；Third lifting lug is two, and third lifting lug is mounted on
The both ends of fan blade support plate upper surface, by third lifting lug and thereon, third bolt is mounted on hanger bar lower end to fan blade support plate；
Third lifting lug opening direction is parallel to T-type frame longeron, and fan blade support plate and T-type frame longeron are isometric wide, fan blade support plate, suspension
Bar and T-type frame longeron collectively constitute plane quadrilateral structure.
The present invention saves the main crane arm of telescopic sleeve pipe type suckings and luffing arm due to the adoption of the above technical solution, using four,
Multistage suspension hook is set simultaneously, wind power generating set more piece tower body and generating set and generator blade can be lifted, facilitated
The installation of wind power generating set, comprehensively solve large-scale wind driven generator is overweight, superelevation, the lifting of blade super large part, and lifting is difficult
Topic.
Description of the drawings
Fig. 1 is the side view of the embodiment of the present invention.
Fig. 2 is the installation wind-driven generator chassis structure schematic diagram of the embodiment of the present invention.
Fig. 3 is the partial schematic diagram of the installation wind-driven generator swing mechanism installation of the embodiment of the present invention.
Fig. 4 is the structural schematic diagram of the stable supporting device of the embodiment of the present invention.
Fig. 5 is the pulley block structure topography schematic diagram of the embodiment of the present invention.
Fig. 6 is the partial schematic diagram of the luffing arm mounting structure of the embodiment of the present invention.
Fig. 7 is the variable amplitude support schematic diagram of the luffing arm of the embodiment of the present invention.
Fig. 8 is that the gooseneck boom arm top sheave of the embodiment of the present invention installs partial schematic diagram.
Fig. 9 is the structural blast schematic diagram of the fan blade carrier of the embodiment of the present invention.
Figure 10 is the usage state diagram that the embodiment of the present invention lifts fan blade.
Specific implementation mode
The specific implementation mode of the present invention is made a detailed explanation below in conjunction with the accompanying drawings.
A kind of crane for Large-scale Wind Turbines installation as shown in Figure 1, the crane include chassis 1, return
Rotation mechanism 2, balance counter weight device 3, main crane arm 5, hoisting mechanism 4, luffing arm 6, the second suspension hook 60, third suspension hook 70, fan blade
Carrier 8 and stable supporting device 9.The chassis 1 is fixedly connected with setting on heavy trucks the driver, and swing mechanism 2 is arranged on chassis 1
On, 5 bottom of main crane arm is hingedly arranged to be arranged between the front end of swing mechanism 2, main crane arm 5 and swing mechanism 2
There is main lift cylinder 51 to be connected, the balance counter weight device 3 is fixed at the rear end of swing mechanism 2.The main lifting
Arm 5 is made of four section extension sleeves, and the setting of the first sleeve 51 is arranged in outermost, 4th sleeve 54 in most inner side, the first sleeve
51 bottom is hingedly arranged on swing mechanism 2, the top of 4th sleeve 54 is provided with the first suspension hook mounting base 55, first
The first suspension hook 50 is provided in suspension hook mounting base 55.1 installation settings of chassis on heavy trucks the driver, is commonly installed wind-driven generator
Area is more remote, and heavy truck can effectively solve transportation problem；Swing mechanism 2 is revolved for agent structure around gyration central axis
Turn, when chassis 1 is fixed, swing mechanism 2 plays load-carrying and can broaden the scope of work；The balance that balance counter weight device 3 is used for is matched
Weight.
Swing mechanism 2 shown in as shown in figure 3, includes lower support base 21, upper support seat 22 and cockpit 23.Swing mechanism
2 lower support base 21 is fixedly mounted on vehicle frame 19；Upper support seat 22 is mounted on 21 top of lower support base, upper branch by revolute pair
Support seat 22 is internally provided with straight slot.First sleeve, 51 bottom end is connected through the hinge on upper support seat 22, third oil cylinder 51
Cylinder body is mounted on the both sides on 22 head of upper support seat, 51 piston-rod end of third oil cylinder and 5 hinge phase of main crane arm by hinge
Even, third oil cylinder 51 is rotated by the 51 around hinge mounting axis of the first sleeve of flexible promotion of piston rod.22 tail portion of upper support seat
Both sides are symmetrical arranged evagination platform, and balance counter weight device 3 is mounted on evagination platform, can be by increasing or reducing balance counter weight device
Clump weight on 3 keeps balance of the equipment under different loads operation.23 hinge of cockpit is mounted on the side of upper support seat 22
Side is swung at work on the position angled with 19 longitudinal axis of vehicle frame, convenient for observation lifting state；Inoperative shape
When state, it can be parallelly fixed on the side of vehicle frame 19, with convenience in transport.
As shown in Fig. 2, the chassis 1 includes supporting leg girder 11, supporting leg pair fine strain of millet 12, the first oil cylinder 13, stabilizer blade 14, second
Oil cylinder 15, the second oil cylinder support base 16, supporting leg lifting lug 17, support tablet 18 and vehicle frame 19.There are four supporting leg girders 11, supporting leg master
Beam 11 distinguishes the both sides that hinge is mounted on the lower support base 21 of swing mechanism 2, and four 11 or less support bases 21 of supporting leg girder are back
Turn center installation, service load is directly transferred to ground by supporting leg girder 11 without vehicle frame 19, vehicle frame 19 is protected not to be damaged
Bad, 11 tail end section of supporting leg girder is quadrangular section；12 main part section of supporting leg pair fine strain of millet is quadrangular section, supporting leg pair fine strain of millet
12 are mounted on the inside of supporting leg girder 11 by prismatic pair, and supporting leg pair fine strain of millet 12 can be flexible in terms of 11 beam of supporting leg girder, is used for
Expand bearing area, improves stability during the work time；First oil cylinder 13 is mounted on the end of supporting leg pair fine strain of millet 12, stabilizer blade 14
Mounted on 13 piston-rod end of the first oil cylinder, the first oil cylinder 13 stretches when work, and stabilizer blade 14 is contacted with tablet 18 is supported, by load
By supporting tablet 18 to be transferred to ground；Supporting leg lifting lug 17 is mounted on the medial surface of supporting leg girder 11, the second oil cylinder support base 16
It is fixedly mounted on vehicle frame 19,16 both sides of the second oil cylinder support base are designed with fixed point, and the cylinder body of the second oil cylinder 15 is hinged on
On the fixed point of two oil cylinder support bases 16, the piston-rod end of the second oil cylinder 15 is hinged on supporting leg lifting lug 17, the second oil cylinder 15
It is flexible that 11 or less support base 21 of supporting leg girder is driven to be turned round for the centre of gyration.When operation, supporting leg girder 11 is in the second oil cylinder 15
Effect is lower to be swung on the position angled with 19 longitudinal axis of vehicle frame;When off working state, can parallelly it be fixed on
The both sides of vehicle frame 19 are taken up space with less chassis 1.
As shown in figure 3, the hoisting mechanism 4 is arranged on swing mechanism 2, hoisting mechanism 4 includes the first load reel
41, the second load reel 42, third load reel 43 and amplitude-changing drum 44, first suspension hook 50 pass through the first wirerope 101
It is connected with the first load reel 41.First load reel 41, second loads reel 42 and is mounted in 22 straight slot of upper support seat, elevator
Pusher side plate 45 is fixed on 22 straight slot both sides of upper support seat, and third loads reel 43 and is mounted on hoist engine side plate 45 with amplitude-changing drum 44
It is internal.
As shown in Figure 1, the luffing arm 6 includes acute angle English truss 66, the first main couple 67, the second main couple 76
With luffing driving device, 55 top of the first suspension hook mounting base is provided with the first truss frame for connecting 56, the first truss frame for connecting 56
Top be provided with obtuse angle English truss 57, the first acute angle part of obtuse angle English truss 57 upward, the acute angle English truss
66 top corner part is hinged with the first acute angle part of obtuse angle English truss 57 upward, and the first main couple 67 is fixed at acute angle
The top of English truss 66, and the top of the first main couple 67 is provided with the second suspension hook mounting base 65, second suspension hook
60 are arranged in the second suspension hook mounting base 65, and the second suspension hook 60 is connected by the second wirerope 102 with the second load reel 42.It is described
The second main couple 76 be fixed at the top of the second suspension hook mounting base 65, the top of the second main couple 76 is fixedly installed
Three suspension hook mounting bases 75, the third suspension hook 70 are fixed in third suspension hook mounting base 75, and third suspension hook 70 passes through
Three wireropes 103 are connected with third load reel 43, and the fan blade carrier 8 is connected with third suspension hook 70.
As shown in Fig. 3, Fig. 6, Fig. 7, the luffing driving device includes the first variable amplitude support 61, the second variable amplitude support
62, the first amplitude draw-bar 63, the second amplitude draw-bar 68 and third amplitude draw-bar 64.The inner end of first variable amplitude support 61
Hinged the first acute angle part upward being arranged in obtuse angle English truss 57, the bottom of first amplitude draw-bar 63 become with first
The outboard end of width holder 61 is hinged, and the top of the first amplitude draw-bar 63 is hinged with the third suspension hook mounting base 75, institute
The inner end for the second variable amplitude support 62 stated hingedly is arranged in the second acute angle part, upper end and the first luffing of the second amplitude draw-bar 68
The outboard end of holder 61 is hinged, and the lower end of the second amplitude draw-bar 68 and the outboard end of the second variable amplitude support 62 are hinged, described
Third amplitude draw-bar 64 upper end and the outboard end of the second variable amplitude support 62 be hinged, the lower end of third amplitude draw-bar 64 is hinged
It is provided with pulley mechanism 69, pulley mechanism 69 is connected with the amplitude-changing drum 44 by the 4th wirerope 104.
In the initial state, arranged parallel is in the top of vehicle frame 19, the lower section of main crane arm 5 for luffing arm 6；Luffing arm
6 rotate together with main crane arm 5, when main crane arm 5 rotates up to state close to the vertical shape, at this time 6 top of luffing arm under,
6 bottom end of luffing arm follows main crane arm top upper；Luffing arm 6 is connected by more piece truss structure to be formed, and can be led at this time
It crosses increase and more truss structures is installed to lengthen the length of luffing arm 6；Amplitude-changing drum 44 rotates the 4th wirerope 104 of folding and unfolding,
Driving luffing arm 6 rotates up to state close to the vertical shape relative to main crane arm 5；Wait for follow-up work.
As shown in Figure 6, Figure 7, first variable amplitude support 61 includes ladder bed structure 611, the 4th pulley bracket 612 and the
Four pulleys 613.First variable amplitude support, 61 agent structure is ladder bed structure 611, and the 4th pulley bracket 612 is mounted on from the first luffing
61 free end of holder is risen on third and fourth crosspiece, and the 4th pulley 613 is mounted on the 4th pulley bracket 612 by revolute pair
On, the second wirerope 102 for being wrapped in the second load reel 42 passes through the 4th crosspiece gap and the 4th of the second variable amplitude support 62
Pulley 613 contacts, and the 4th pulley 613 changes the second wirerope traffic direction, and the second wirerope is caused to be connected with the second suspension hook 60.Winding
The third wirerope 103 that reel 43 is loaded in third passes through third crosspiece gap and the 4th pulley 613 of the second variable amplitude support 62
Contact, the 4th pulley 613 change 103 traffic direction of third wirerope, third wirerope 103 are caused to be connected with third suspension hook 70.
As shown in figure 4, the stable supporting device includes 98, two lower tensioner arms 91 of strainer support base and two
The inner end of upper tensioner arm 92, strainer support base 98 is hingedly arranged at the top of the first sleeve 51, and in strainer branch
It supports and the 5th oil cylinder 99 is set between 98 the first sleeve of lower part 51 of seat and the outboard end of strainer support base 98, the 5th oil cylinder 99 is stretched
Contracting drives strainer support base 98 to be rotated along fixed rotating shaft, is used for folding and unfolding stable supporting device.Two lower tensioner arms
91 are opened by eight words, and the inner end of two lower tensioner arms 91, which is respectively articulated with, to be arranged in the side of strainer support base 98, every
The 4th oil cylinder 97 is respectively arranged between a lower tensioner arm 91 and strainer support base 98, the 4th oil cylinder 97 works lower tensioning
Arm 91 struts into splayed configuration, until angle phase between angle and two fixed upper tensioner arms 92 between two lower tensioner arms 91
Together, the stress for being used for strainer 9 optimizes.The outboard end of the lower tensioner arm 91 is provided with the first wirerope connector, and
The bottom of first sleeve 51 is provided with the second wirerope connector, and the first wirerope connector and the second wirerope connector pass through the 5th steel
Cable 105 is connected.Above tensioner arm 92 also presses eight words opening to described two, and the middle part of the first truss frame for connecting 56 is provided with tensioner arm
The hinged spot hole position design of mounting base 94,94 both sides of tensioner arm mounting base is angled, the inner end of two upper tensioner arms 92
It is respectively hinged in tensioner arm mounting base 94, it is angled between two upper tensioner arms 92, optimize the stress of main crane arm 5,
Improve the job stability of main crane arm 5；The reinforcer with dog-ear is welded between upper tensioner arm 92, with setting for dog-ear reinforcer
Meter is convenient for the storage of upper tensioner arm 92, avoids the reinforcer in crane boom while reinforcing upper 92 structure of tensioner arm
Interfere with the rod piece of 56 truss structure of the first truss frame for connecting during storage；First pull rod, 93 end is hinged on the first truss frame for connecting
In 56 top truss structures, front end is hinged on the outboard end of tensioner arm 92, is used to support tensioner arm 92, in the first pull rod 93
Portion is provided with articulated structure, 93 doubling of the first pull rod when crane boom is stored, and is convenient for the storage of upper tensioner arm 92, avoids
The work such as dismounting.The outboard end lower hinge of upper tensioner arm 92 is provided with the second pull rod 96, and the bottom of the second pull rod 96 is provided with
First pulley 90, and the outboard end of two lower tensioner arms 91 is provided with second pulley group 95, first pulley 90 and second pulley
Group 95 is connected by the 6th wirerope 106.
As shown in figure 5, the second pulley group 95 includes second pulley 951, third pulley 952, roller 953, roller
Frame 954 and second pulley assembly housing 955.Second pulley assembly housing 955 is fixedly mounted on the outboard end of lower tensioner arm 91.Second slides
Wheel 951 is mounted on by revolute pair on second pulley assembly housing 955, and second pulley 951 rotates to adjust the 5th wirerope 105
Length.Third pulley 952 is mounted on the shell of second pulley assembly housing 955, and third pulley 952 is fixed at work.5th
Wirerope e one ends wounds pass through first pulley after 90s, the other end is wrapped in second pulley 951 on third pulley 952.It leads
When weighing arm 5 extends, the elongation of the 6th wirerope 106 causes second pulley 951 to rotate, and reaches specified altitude assignment when main crane arm 5 extends, the
Two pulleys 951 stop operating, and tighten the 6th wirerope 106, to reach tensioning purpose.Roller 953 is mounted on by roller frame 954
The upper surface of second pulley assembly housing 955, roller 953 is located at the both sides of the 6th wirerope 106, in the 6th wirerope telescopic process,
Roller 953 avoids the 6th wirerope 106 and 955 CONTACT WITH FRICTION of second pulley assembly housing for protecting the 6th wirerope 106.
During the work time, the 5th oil cylinder 99 works, and drives lower tensioner arm 91 to be rotated along fixed rotating shaft, until the 5th wirerope
105 tighten；Lower tensioner arm 91 is strutted into splayed configuration by the work of the 4th oil cylinder 97, until angle and two between two lower tensioner arms 91
Angle is identical between a fixed upper tensioner arm 92；When the elongation of main crane arm 5 reaches specified altitude assignment, second pulley 951 stops turning
Dynamic, the 6th wirerope 106 is tightened.
As shown in figure 8, the third suspension hook mounting base 75 includes gooseneck boom arm truss 71, the 5th leading block 72, second
Leading block group 73 and pulley cheek 74, pulley cheek 74 are mounted on the both sides on 7 top of gooseneck boom arm, the 5th leading block 72 and the
The top sheave of two leading block groups 73 is mounted on pulley cheek 74.The lower sheave of second leading block group 73 is hung mounted on third
On hook 70.Around being located on the 5th leading block 72 and the second leading block group 73, third loads reel 43 and rotates third wirerope 103
Folding and unfolding third wirerope 103 in the process completes hoisting fan blade task to drive the lifting of third suspension hook 70.
As shown in figure 9, the fan blade carrier 8 is mounted on 70 lower section of third suspension hook, fan blade carrier 8 is hung including first band class
Rope 81, the first bolt 821, the second bolt 822, third bolt 823, the 4th bolt 824, the 5th bolt 825, the first lifting lug 831,
Second lifting lug 832, third lifting lug 833, the 85, second band class of carrier bar hoist cable 86, hanger bar 87, fan blade support plate 88 and T-type frame 89.
81 right end of first band class hoist cable is set there are one fixed point, and left end is equipped with two fixing points, and 81 middle part of first band class hoist cable is to the left to be set
There is bifurcation, which can be caught in two hook grooves of third suspension hook 70, bifurcation and the third suspension hook 70 of bifurcation structure
Hook arm be in contact, the design of the bifurcation structure of first band class hoist cable 81 can effectively avoid crane hoist cable during the work time
Occurs sliding phenomenon between suspension hook, bifurcated point design keeps left position at middle part, irregular for balancing fan blade distribution
Gravity.There are one point, the other end and fixed in the middle part of longeron, longeron is fixedly mounted for the upper and lower surface design of 89 crossbeam one end of T-type frame
The upper and lower surface at both ends is separately designed there are one fixed point；Three the first lifting lugs 831 are fixed on the upper of 89 crossbeam of T-type frame and longeron
Surface, the first bolt 821 passes through the mounting hole of 81 fixing end of fixation circular hole and first band class hoist cable of the first lifting lug 831, by T
Type frame 89 is connected with first band class hoist cable 81；T-type frame 89 collectively constitutes the stabilization tetrahedron knot in space with first band class hoist cable 81
The purpose of design of structure, the structure is that fan blade keeps stablizing in lifting and installation process；It is another that there are three the second lifting lugs 832
It is fixed on the lower surface of T-type frame 89 crossbeam and longeron, which is parallel to 89 longeron of T-type frame；It is outstanding
87 both ends of hanging rod are designed with mounting hole, and two hanger bars 87 are fixed on by bolt 82 on the second lifting lug 832, two hanger bars 87
Below T-type frame 89 longeron, two pieces of 85 upper ends of carrier bar are mounted on the of 89 crossbeam lower surface of T-type frame by the 4th bolt 824
On two lifting lugs 832, the second band class hoist cable 86 is mounted on 85 lower end of carrier bar, 86 material of the second band class hoist cable around the 5th bolt 825
Softness, the second shape with class hoist cable 86 can change according to fan blade irregular shape, and the second band class hoist cable 86 can paste
The shell for closing fan blade plays the role of fixing and supporting for fan blade, reduces fan blade in lifting and installation process
Rotation and movement；Third lifting lug 833 is two, and third lifting lug 833 is mounted on the both ends of 88 upper surface of fan blade support plate, fan blade
By third lifting lug 833 and thereon, third bolt 823 is mounted on 87 lower end of hanger bar to support plate 88；833 side of opening of third lifting lug
To 89 longeron of T-type frame is parallel to, fan blade support plate 88 and 89 longeron of T-type frame are isometric wide, fan blade support plate 88,87 and of hanger bar
89 longeron of T-type frame collectively constitutes plane quadrilateral structure, which only can be in fan blade support plate 88, hanger bar
87 and 89 longeron of T-type frame deform in the plane, under fan blade gravity, the plane quadrilateral shape determine；Fan blade
The plane quadrilateral structure that support plate 88, hanger bar 87 and 89 longeron of T-type frame collectively constitute avoids fan blade from lifting by crane and pacifying
Crossbeam direction during dress along T-type frame 89 is moved, and the installation and positioning of fan blade are facilitated.In lifting by crane installation process, wind
Machine root of blade is sleeved on the second band class hoist cable 86, and fan blade tip is placed in fan blade support plate 88, and third loads reel
43 rotation recycling wirerope c, to drive the rising of third suspension hook 70, the fan blade carrier 8 for being loaded with fan blade rises, and completes lifting
Task.
Claims (8)
1. a kind of Lifting device of crane, which is characterized in that the device includes hoisting mechanism, main crane arm and luffing arm,
The main crane arm is made of four section extension sleeves, the setting of the first sleeve in outermost, 4th sleeve setting in most inner side,
It is provided with the first suspension hook mounting base at the top of 4th sleeve, the first suspension hook is provided in the first suspension hook mounting base；First suspension hook
It is provided with the first truss frame for connecting above mounting base, obtuse angle English truss, obtuse angle triangle purlin are provided with above the first truss frame for connecting
First acute angle part of frame is upward；
The luffing arm includes acute angle English truss, the first main couple, the second main couple and luffing driving device, described
The top corner part of acute angle English truss is hinged with the first acute angle part of obtuse angle English truss upward, the fixed setting of the first main couple
On the top of acute angle English truss, and the second suspension hook mounting base is provided at the top of the first main couple, the second suspension hook mounting base
On be provided with the second suspension hook；Second main couple is fixed at the top of the second suspension hook mounting base, the second main couple
Top is fixedly installed third suspension hook mounting base, and third suspension hook is provided in third suspension hook mounting base；
The hoisting mechanism includes the first load reel, the second load reel, third load reel and amplitude-changing drum, described
First suspension hook is connected by the first wirerope with the first load reel；Second suspension hook passes through the second wirerope and the second load reel phase
Even, third suspension hook loads reel with third by third wirerope and is connected；
The luffing driving device includes the first variable amplitude support, the second variable amplitude support, the first amplitude draw-bar, the second amplitude draw-bar
With third amplitude draw-bar；The inner end of first variable amplitude support is hingedly arranged in the upward first sharp of obtuse angle English truss
Corner, the bottom of first amplitude draw-bar and the outboard end of the first variable amplitude support are hinged, the top of the first amplitude draw-bar
It being hinged with the third suspension hook mounting base, the inner end of second variable amplitude support is hingedly arranged in the second acute angle part,
The upper end of second amplitude draw-bar and the outboard end of the first variable amplitude support are hinged, the lower end of the second amplitude draw-bar and the second luffing branch
The outboard end of frame is hinged, and the upper end of the third amplitude draw-bar and the outboard end of the second variable amplitude support are hinged, and third becomes
The lower end of width pull rod is hingedly provided with pulley mechanism, and pulley mechanism is connected with the amplitude-changing drum by the 4th wirerope.
2. a kind of Lifting device of crane according to claim 1, which is characterized in that the Lifting device further includes stablizing
Support device includes strainer support base, two lower tensioner arms and two upper tensioner arms, the inner end of strainer support base
Hingedly it is arranged at the top of the first sleeve, and in the outside of strainer support base lower part the first sleeve and strainer support base
5th oil cylinder is set between end, and described two lower tensioner arms are opened by eight words, and the inner end of two lower tensioner arms is respectively articulated with
It is arranged in the side of strainer support base, the 4th oil is respectively arranged between each lower tensioner arm and strainer support base
Cylinder；The outboard end of the lower tensioner arm is provided with the first wirerope connector, and the bottom of the first sleeve is provided with the second steel
Cable connector, the first wirerope connector are connected with the second wirerope connector by the 5th wirerope；The upper tensioner arm of described two
Also it presses eight words to open, the inner end of two upper tensioner arms, which is respectively articulated with, to be arranged at the middle part of the first truss frame for connecting, upper tensioner arm
Outboard end upper articulation is provided with the first pull rod, and the upper end of the first pull rod is hingedly arranged at the top of the first truss frame for connecting, on
The outboard end lower hinge of tensioner arm is provided with the second pull rod, and the bottom of the second pull rod is provided with first pulley, and under two
The outboard end of tensioner arm is provided with second pulley group, and first pulley is connected with second pulley group by the 6th wirerope.
3. a kind of Lifting device of crane according to claim 2, which is characterized in that second pulley group includes the second cunning
Wheel, third pulley, roller, roller frame and second pulley assembly housing；Second pulley assembly housing is fixedly mounted on the outer of lower tensioner arm
Side；Second pulley is mounted on by revolute pair on second pulley assembly housing, and second pulley rotates to adjust the 5th wirerope
Length；Third pulley is mounted on the shell of second pulley assembly housing, and third pulley is fixed at work；5th wirerope one end twines
It is wound on third pulley, after passing through first pulley, the other end is wrapped in second pulley；When main crane arm elongation, the 6th wirerope
Elongation causes second pulley to rotate, and when the elongation of main crane arm reaches specified altitude assignment, second pulley stops operating, and tightens the 6th steel
Cable, to reach tensioning purpose；Roller is mounted on the upper surface of second pulley assembly housing by roller frame, and roller is located at the 6th wirerope
Both sides, in the 6th wirerope telescopic process, roller for protect the 6th wirerope, avoid the 6th wirerope and second pulley assembly housing
CONTACT WITH FRICTION.
4. a kind of Lifting device of crane according to claim 2, which is characterized in that set in the middle part of the first truss frame for connecting
It is equipped with tensioner arm mounting base, the hinged angled setting in spot hole position of tensioner arm mounting base both sides, the inner end of two upper tensioner arms
It is respectively hinged in tensioner arm mounting base, the reinforcer with dog-ear is welded between upper tensioner arm.
5. a kind of Lifting device of crane according to claim 1, which is characterized in that the first variable amplitude support includes ladder
Structure, the 4th pulley bracket and the 4th pulley；First variable amplitude support agent structure is ladder bed structure, and the 4th pulley bracket is mounted on
From the first variable amplitude support free end on third and fourth crosspiece, the 4th pulley is mounted on the 4th pulley bracket by revolute pair
On, the second wirerope for being wrapped in the second load reel passes through the 4th crosspiece gap of the second variable amplitude support to be connect with the 4th pulley
It touches, the 4th pulley changes the second wirerope traffic direction, and the second wirerope is caused to be connected with the second suspension hook；It is wrapped in third load reel
Third wirerope pass through third crosspiece gap and the 4th pulley contact of the second variable amplitude support, the 4th pulley change third wirerope
Traffic direction causes third wirerope to be connected with third suspension hook.
6. a kind of Lifting device of crane according to claim 1, which is characterized in that third suspension hook mounting base includes goose
Head arm truss, the 5th leading block, the second leading block group and pulley cheek, pulley cheek are mounted on the two of gooseneck boom arm top
The top sheave of side, the 5th leading block and the second leading block group is mounted on pulley cheek；The downslide of second leading block group
Wheel is mounted on third suspension hook；For third wirerope around being located on the 5th leading block and the second leading block group, third loads reel
Folding and unfolding third wirerope in rotation process, to drive the lifting of third suspension hook.
7. a kind of Lifting device of crane according to claim 1, which is characterized in that be provided with fan blade on third suspension hook
Carrier.
8. a kind of Lifting device of crane according to claim 7, which is characterized in that fan blade carrier includes first band class
Hoist cable, the first bolt, the second bolt, third bolt, the 4th bolt, the 5th bolt, the first lifting lug, the second lifting lug, third lifting lug,
Carrier bar, the second band class hoist cable, hanger bar, fan blade support plate and T-type frame；
The first band class hoist cable right end is set there are one fixed point, and left end is equipped with two fixing points, first band class hoist cable middle part
To the left to be equipped with bifurcation, which can be caught in two hook grooves of third suspension hook, and bifurcation and the third of bifurcation structure are hung
The hook arm of hook is in contact；There are one point, the other end and longeron middle part is fixedly mounted for the upper and lower surface design of T-type frame crossbeam one end
Fixed, the upper and lower surface at longeron both ends separately designs that there are one fixed points；Three the first lifting lugs are fixed on T-type frame crossbeam and longeron
Upper surface, the first bolt pass through the first lifting lug fixation circular hole and first band class hoist cable fixing end mounting hole, by T-type frame
It is connected with first band class hoist cable；T-type frame collectively constitutes the stabilization tetrahedral structure in space with first band class hoist cable；It is another that there are three the
Two lifting lugs are fixed on the lower surface of T-type frame crossbeam and longeron, this three the second lifting lug opening directions are parallel to T-type frame longeron；It is outstanding
Hanging rod both ends are designed with mounting hole, and two hanger bars are fixed on by bolt on the second lifting lug, and it is vertical that two hanger bars are located at T-type frame
Below beam, two pieces of carrier bar upper ends are mounted on by the 4th bolt on the second lifting lug of T-type frame crossbeam lower surface, the second band class hoist cable
It is mounted on carrier bar lower end around the 5th bolt, the second band class hoist cable material is soft；Third lifting lug is two, and third lifting lug is mounted on
The both ends of fan blade support plate upper surface, by third lifting lug and thereon, third bolt is mounted on hanger bar lower end to fan blade support plate；
Third lifting lug opening direction is parallel to T-type frame longeron, and fan blade support plate and T-type frame longeron are isometric wide, fan blade support plate, suspension
Bar and T-type frame longeron collectively constitute plane quadrilateral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810735507.XA CN108792969B (en) | 2018-07-06 | 2018-07-06 | A kind of Lifting device of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810735507.XA CN108792969B (en) | 2018-07-06 | 2018-07-06 | A kind of Lifting device of crane |
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| Publication Number | Publication Date |
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| CN108792969A true CN108792969A (en) | 2018-11-13 |
| CN108792969B CN108792969B (en) | 2019-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810735507.XA Expired - Fee Related CN108792969B (en) | 2018-07-06 | 2018-07-06 | A kind of Lifting device of crane |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4019199A1 (en) * | 2020-12-11 | 2022-06-29 | Polmotors Spolka Z Ograniczona Odpowiedzialnoscia | Gripper frame for industrial robot |
| CN118373320A (en) * | 2024-06-21 | 2024-07-23 | 焱海建工有限公司 | Fixing device of suspension crane for constructional engineering |
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| DE69602224T2 (en) * | 1995-03-22 | 1999-11-11 | Potain, Ecully | Automatic lifting device for a crane with a folding boom |
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| CN201473227U (en) * | 2009-05-26 | 2010-05-19 | 徐州重型机械有限公司 | Side crane arm for a crane |
| CN102659037A (en) * | 2012-05-17 | 2012-09-12 | 中联重科股份有限公司 | Crane superlift device and telescopic boom crane |
| CN102756978A (en) * | 2012-07-20 | 2012-10-31 | 辽宁抚挖重工机械股份有限公司 | Foldable arm of crawler crane |
| CN103601082A (en) * | 2013-11-22 | 2014-02-26 | 中联重科股份有限公司 | Crane and method of raising its arm |
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2018
- 2018-07-06 CN CN201810735507.XA patent/CN108792969B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69602224T2 (en) * | 1995-03-22 | 1999-11-11 | Potain, Ecully | Automatic lifting device for a crane with a folding boom |
| CN201165453Y (en) * | 2008-01-25 | 2008-12-17 | 徐州重型机械有限公司 | Automatic lifting apparatus of caterpiller crane tower arm buffer rod |
| CN201473227U (en) * | 2009-05-26 | 2010-05-19 | 徐州重型机械有限公司 | Side crane arm for a crane |
| CN102659037A (en) * | 2012-05-17 | 2012-09-12 | 中联重科股份有限公司 | Crane superlift device and telescopic boom crane |
| CN102756978A (en) * | 2012-07-20 | 2012-10-31 | 辽宁抚挖重工机械股份有限公司 | Foldable arm of crawler crane |
| CN103601082A (en) * | 2013-11-22 | 2014-02-26 | 中联重科股份有限公司 | Crane and method of raising its arm |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4019199A1 (en) * | 2020-12-11 | 2022-06-29 | Polmotors Spolka Z Ograniczona Odpowiedzialnoscia | Gripper frame for industrial robot |
| CN118373320A (en) * | 2024-06-21 | 2024-07-23 | 焱海建工有限公司 | Fixing device of suspension crane for constructional engineering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108792969B (en) | 2019-09-13 |
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