CN105883645B - The method for dismounting of tower crane attachment device - Google Patents
The method for dismounting of tower crane attachment device Download PDFInfo
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- CN105883645B CN105883645B CN201610508433.7A CN201610508433A CN105883645B CN 105883645 B CN105883645 B CN 105883645B CN 201610508433 A CN201610508433 A CN 201610508433A CN 105883645 B CN105883645 B CN 105883645B
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- tower crane
- pole
- attachment device
- gin pole
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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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Abstract
The present invention provides a kind of method for dismounting of tower crane attachment device, and it comprises the following steps：Gin-pole truck is installed in advance in tower crane or using the tower crane for being provided with gin-pole truck；Main gin pole is controlled to be moved to the surface of component to be torn open；Disassembled described after tearing component open and being fixed by the grabhook of the main gin pole suspention temporarily；Controlled play the main gin pole for having torn component open be moved to decentralization area above；After having removed attachment device described in decentralization, repeat above-mentioned (2)~(4) and continue to remove other attachment devices to be removed.The method for dismounting of the tower crane attachment device of the present invention is using the gin-pole truck being mountable on tower crane stock, dismounting that is safe and efficient when needing to carry out high-altitude dismantling attachment device operation and easily completing attachment device.
Description
Technical field
The present invention relates to the realm of building construction, and specifically, the present invention relates to a kind of method for dismounting of tower crane attachment device.
Background technology
Construction of the highway and bridge construction construction in, especially cable-stayed bridge, suspension bridge and high pier construction when, often utilize
Derrick crane carries out lifting construction.After construction terminates, often due to the later stage can not utilize crane gear to help, to remove tower crane attached
Device and tower crane be present and remove attachment problem.
When particularly Cable-stayed Bridge Pylon is constructed, crane arm is influenceed that larger angle can not be turned round by suspension cable, it is difficult to is completed
The voluntarily dismounting work of attachment device, therefore usually require to be removed by outside crane gear (such as hoist engine).And roll up
Raising machine then needs to be fixed on Sarasota top, bridge floor, and anchor point is more, and effect is low, and security is poor, and later stage hoist engine disassembles difficulty.
And vehicle pass-through is influenceed, it is necessary to close a road to traffic to avoid accident during attachment is removed by outside crane gear.
Therefore, the dismounting operational difficulties of current tower crane attachment device, cost is high, and effect is low, cumbersome and security
Difference.
The content of the invention
The main object of the present invention is intended to overcome the deficiencies in the prior art, there is provided one kind is convenient, safe and efficient tower crane is attached
The method for dismounting of device.
To achieve these goals, the invention provides a kind of method for dismounting of tower crane attachment device：
(1) gin-pole truck is installed in advance in tower crane or using the tower crane for being provided with gin-pole truck；
(2) main gin pole is controlled to be moved to the surface of attachment device to be removed；
(3) disassembled the attachment device to be removed is fixed with grabhook temporarily after；
(4) the main gin pole is controlled to be moved to the decentralization clear area of crane arm；
(5) after having removed attachment device described in decentralization, above-mentioned (2)~(4) is repeated and continue to remove other attachments to be removed
Put.
Further, the gin-pole truck includes gin pole basis and is pivotally connected the main gin pole being fixed on the basis of the gin pole.
Further, the gin pole basis of the gin-pole truck and the surface of tower crane stock are fixed.
Further, fixed temporarily using bolt form between the gin pole basis and tower crane stock.
Further, the step (2) includes：
The main gin pole is controlled to return back to the top of attachment device to be removed；
Control the main gin pole to carry out luffing operation, adjust lifting amplitude radius.
Further, the free end of the main gin pole is provided with gin wheel, and the grabhook hang on the gin wheel
Underface.
Further, the step (3) includes：
Transfer grabhook；
The attachment device to be removed is fixed temporarily with grabhook；
Disassemble the attachment device；
Lift by crane attachment device to be removed.
Compared with prior art, the solution of the present invention has advantages below：
The method for dismounting of the tower crane attachment device of the present invention using being mountable to gin-pole truck on tower crane stock, need into
Dismounting that is safe and efficient and easily completing attachment device during row high-altitude dismantling attachment device operation：
(1) gin-pole truck bolts with tower crane stock, it is not necessary to which destroying or influence the steel construction of tower crane in itself can be with tower
Crane climbing frame lifts.
(2) gin-pole truck can be lifted with tower crane stock, and it is installed and the later stage removes work and can use truck crane on ground
Carried out etc. equipment, installation and the simple and direct facility of method for dismounting.
(3) gin-pole truck can arbitrarily luffing, revolution, high-altitude carry out attachment device dismounting operation, risen without other
Heavy equipment, it is easy to operate and safe and efficient.
(4) gin-pole truck is used, after construction bridges are open to traffic, attachment can be voluntarily removed without road closure, not influence to pacify
All-pass row.
The additional aspect of the present invention and advantage will be set forth in part in the description, and these will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the partial schematic diagram of the tower crane of the present invention；
Fig. 2 is the front view of the gin-pole truck of the present invention；
Fig. 3 is the top view that the gin-pole truck of the present invention is installed on tower crane stock；
Fig. 4 is the front view of the second embodiment of the gin-pole truck of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
As shown in figure 1, the present invention tower crane 10 include tower body 101, be set on the tower body 101 tower crane stock 102,
The crane arm 103 that extends in the tower crane stock upper vertical in the tower body 101 and reverse relative to the crane arm 103
The counter-jib 104 of extension.
Tower crane 10 is raised through the hydraulic means being connected with tower crane stock 102, makes tower crane stock 102 with hydraulic principle
Completion is climbed action, and then increases standard knot on tower body 101 to realize.
The gin-pole truck 100 of the present invention is in the tower crane 10, and specifically, the gin-pole truck 100 is fixed on tower crane set
The surface of frame 102, therefore can be risen or fallen with tower crane stock 102.In the building such as construction of the highway and bridge construction construction
In construction process, especially cable-stayed bridge, suspension bridge and high pier construction when, the gin-pole truck 100 can be arranged on tower crane
It is used to remove the attachment device of tower crane after the tower crane completes lifting process on stock.
Further, carried out between the gin-pole truck 100 and the tower crane stock 102 by the way of bolt temporarily solid
It is fixed.In other embodiments, the gin-pole truck 100 and the tower crane stock 102 also conventional can not destroy tower by other
The steel construction mechanical connection manner of the self structure of machine 10 is fixed temporarily.The gin-pole truck 100 can rise with tower crane stock 102
Or decline, engineering can be dropped to ground with tower crane stock after terminating, be removed using truck crane, and tear down operations are easy.
As shown in Fig. 2 the gin-pole truck 100 of the present invention includes gin pole basis 1, the revolution bottom on the gin pole basis 1
Seat 2, the main gin pole 3 being hinged with the rotary table 2 and the control main gin pole 3 realize the control system 4 of position switching.Institute
Stating control system 4 includes controlling the changing-breadth system 41 of the magnitude of inclination of the main gin pole 3 and controls the main gin pole horizontal deflection
The revolution trailer system 42 in direction.For convenience of description, it is front end to define one end that the gin pole basis 1 is provided with rotary table 2, separately
One end is end.
With reference to Fig. 1 and Fig. 2, the gin pole basis 1 is connected with stationary plane.Specifically, the stationary plane refers to tower crane stock
102 surface.In the present embodiment, the surface of the bottom of tower crane stock 102 is fixed on the gin pole basis 1.In other embodiment party
In formula, fixed position of the gin pole basis 1 on tower crane stock 102 can be suitably adjusted.
With reference to Fig. 1-Fig. 3, the gin pole basis 1 includes foundation beam 11 and reinforces the strut group 12 of the foundation beam 11.
The foundation beam 11 is a spandrel girder formed using shaped steel H250 processing and fabricatings, passes through screw rod 13 and/or card
The anchoring temporarily of plate 14 is in the surface of tower crane stock 102.In the present embodiment, the screw rod 13 selects M20 screw rods.Screw rod 13 and clamp
14 installation and the operation removed are very easy, and the mode of this anchoring temporarily need not destroy the steel knot of tower crane 10 itself
Structure.In other embodiments, the model of the screw rod 13 and/or clamp 14 adjusts with size adaptability；Also can use
Other conventional steel construction mechanical connection manners for not destroying the self structure of tower crane 10 are fixed temporarily.In other embodiment
In, the foundation beam 11 can be made according to different requirement of engineering of the steel of other species or model.With reference to Fig. 2 and Fig. 3,
Described one end of strut group 12 is welded with the foundation beam 11, the other end is used to connect tower crane stock 102.In the present embodiment, institute
Stating strut group 12 includes a pair of triatic stays 121 and a pair of vertical hounds 122, specifically, the triatic stay 121 be used for
The beam rail of tower crane stock 102 is fixed (see Fig. 3), and the vertical hound 122 is used to consolidate with the vertical chord member of tower crane stock 102
Determine (see Fig. 2).The strut group 12 adds resistance to overturning of the gin-pole truck 100 on the tower crane stock.In other embodiment party
In formula, the strut group can increase or decrease the quantity of triatic stay and vertical strut and adjust its fixed position to adapt to not
Same requirement of engineering.
Further, the strut group 12 also can be by screw rod 13 and/or the anchoring temporarily of clamp 14 in tower crane stock 102
On.In other embodiments, the foundation beam 11 and tower crane stock 102 can use other conventional not destroy tower crane 10 itself
The steel construction mechanical connection manner of structure realizes that anchoring is fixed.
With continued reference to Fig. 2, the rotary table 2 is arranged on the front end on the gin pole basis 1, the rotary table 2 it is upper
End is provided with main gin pole 3.Specifically, the rotary table 2 includes pivoting support 21, the connection located at the upper end of pivoting support 21
Seat 22.The upper end of the connecting seat 22 is provided with the pivoted hole being connected with the main gin pole 3.The lower end of pivoting support 21 passes through method
Blue disk is bolted with gin pole basis 1, and upper end is bolted by another ring flange and the connecting seat 22, and the connecting seat is taken off with the master
The lower end of bar 3 is hinged.On the one hand, the left-right rotation in the main horizontal direction of gin pole 3 can be achieved in the setting of the pivoting support 21；Separately
On the one hand, the main gin pole 3 is connected in articulated manner with connecting seat 22, and the vertical luffing up and down of main gin pole 3 can be achieved and rotate.
The main gin pole 3 is formed using shaped steel H250 processing and fabricatings, in the present embodiment, the main 3 long 8m of gin pole.In other embodiment party
In formula, the main gin pole 3 can be made according to different requirement of engineering of the steel of other species or model, the main gin pole 3
Being also adapted to property of size adjust to meet different requirement of engineering.Further, described one end of main gin pole 3 and the connecting seat 22
Upper end be connected through the hinge, the other end as free end for lifting.
With continued reference to Fig. 2 and Fig. 3, the changing-breadth system 41 includes being arranged on the axis at the place of gin pole basis 1
For driving the luffing drive mechanism 411 of main gin pole luffing and the fixed block 412 of traction being oriented to for realizing, and one end is fixed
It is connected to the luffing drive mechanism 411 and the other end and passes through the change that the main free end of gin pole 3 is anchored in after the fixed block 412
Width steel cable 413.
Specifically, the luffing drive mechanism 411 is 5t chain blocks, the axle being installed on where the gin pole basis 1
On line, more specifically on the standard knot cross bar of tower crane 10.In other embodiments, the luffing drive mechanism 411 can be
Other mechanisms such as hoist engine, and can suitably adjust its installation site.
The fixed block 412 is the single-wheel fixed block on the standard knot of tower crane 10.In other embodiments, also may be used
The position of the fixed block 412 is adjusted flexibly according to magnitude of load, it is first-class such as to hang over tower cap.The single-wheel fixed block can change change
The application direction of the pulling force of width steel cable 413, guide effect is played to pulling force.
One end of the luffing steel cable 413 is connected to the luffing drive mechanism 411, and the other end is connected with main gin pole 3.When
When luffing drive mechanism 411 is tightened up or discharges the luffing steel cable 413, the main gin pole 3 is vertically swung up and down therewith, should
The magnitude of inclination of main gin pole 3 changes therewith；The radius of drop shadow spread immediately below the main gin pole 3 is with the decentralization of the main gin pole 3
And increase, conversely, the radius of the drop shadow spread above carrying and reduce with the main gin pole 3, the drop shadow spread is the master
The current radial direction job area of gin pole 3；Above i.e. by controlling the magnitude of inclination of the main gin pole 3 to realize the change of the main gin pole 3
Width acts.
The revolution trailer system 42 includes the revolution being arranged in the revolution control plane parallel with gin pole basis
Drive mechanism 421.Specifically, the rotary motion mechanism 421 includes left rotary motion mechanism 4211 and right-hand rotation driving machine
Structure 4212, the left rotary motion mechanism 4211 are located at the root of crane arm 103 of tower crane 10, the right-hand rotation drive mechanism 4212
On the platform of counter-jib 104 of tower crane 10.The revolution control plane parallel with gin pole basis refers to the lifting of tower crane 10
Plane where arm 103 and counter-jib 104.When carrying out constructing operation, the crane arm 103 and counter-jib 104 of tower crane 10 are kept
Basic horizontal state, therefore the plane where the crane arm 103 and counter-jib 104 belongs to the of the present invention and gin pole base
The parallel revolution control plane of plinth.Preferably, the revolution control plane is concordant or the free end higher than the main gin pole 3.
In addition, the revolution trailer system 42 also includes connecting the left rotary motion mechanism 4211 and the main gin pole 3
The left traction steel rope of cable 4221 of free end, connect the right traction of the right-hand rotation drive mechanism 4212 and the main free end of gin pole 3
Steel cable 4222.
Specifically, the rotary motion mechanism 421 includes two 3t chain blocks, is respectively arranged in the crane arm of tower crane 10
103 roots and the platform fixed position of counter-jib 104.In other embodiments, the rotary motion mechanism 421 can be hoist engine
Same level is maintained at Deng other mechanisms, and in the left rotary motion mechanism 4211 and right-hand rotation drive mechanism 4212
Under the premise of can suitably adjust its installation site.
The left traction steel rope of cable 4221 and right traction steel rope of cable 4222 draw from the suspension hook of described two 3t chain blocks respectively
Go out, and be connected to the free end of main gin pole 3.Described two 3t chain blocks and two pull rope coordinative operations, realize that master takes off
The left and right revolution action of bar 3.Specifically, when carrying out revolution operation, a pull rope rope closing, another pull rope then Synchronous Radio
Rope.
Further, the control system 4 also includes being used for the hoisting system for realizing lifting lifting using the main gin pole 3
43.The hoisting system 43 includes the hoisting winding 431 located at basic 1 end of gin pole, is arranged on where the gin pole basis 1
On axis be used to realize the fixed block 432 of guide effect, the gin wheel 433 located at the main free end of gin pole 3, be hung on it is described
The fly block 434 of the lower section of gin wheel 433 and extending from the hoisting winding 431 and sequentially pass through described fixed sliding
Car 432, gin wheel 433 and fly block 434 and the crane rope 435 for being finally secured to the main free end of gin pole 3.
Specifically, drive mechanism of the hoisting winding 431 as hoisting system 43, use hang in the present embodiment
Beijing South Maxpower Technology Co. Ltd's power is 10KN, moment of torsion 8000Nm automatically controlled winching barrel, diameter of cylinder 90cm.
The fixed block 432 is the single-wheel fixed block in tower crane standard knot.In other embodiments, also can root
The position of the fixed block 432 is adjusted flexibly according to magnitude of load, it is first-class such as to hang over tower cap.The single-wheel fixed block can change lifting
The direction of pull of steel cable 435, plays guide effect.
The gin wheel 433 is arranged at the free end of the main gin pole 3, is fixed pulley, plays guide effect.
The fly block 434 with described positioned at the underface of the gin wheel 433, by crane rope 435 with it is described
Gin wheel 433 connects.The fly block 434 is used as grabhook, when the crane rope is tightened up or discharged to hoisting winding 431
When 435, it will rise or fall therewith, so as to realize the lifting enhancing action of object.
Further, the hoisting system 43 also includes lifting rope and shackle (not shown).During lifting, using the lifting rope with unloading
Button binding is played weight, enables to be played the steady raising of weight or decentralization, further, the lifting rope is adopted with crane rope 435
Connected with the shackle.Apply when removing brace bar attached, it is necessary to bind strut both ends using the lifting rope and shackle.
In the present embodiment, to avoid the extruding force that 102 4 jiaos of balance rollers of tower crane stock are subject to excessive, in the main string of stock
Gad is set between main chord of standard section, to reduce corner balance rollers stress, improves stress, stabilizer crane climbing frame.It is described
Gad is plug-in type gad, in other embodiments, can also use timber wedge etc..
Fig. 4 is referred to, in another embodiment, the hoisting system 43 also includes being connected to the revolution by steel cable
The directive wheel 436 of base 2, the crane rope 435 it is extending from the hoisting winding 431 and sequentially pass through it is described fixed
Coaster 432, directive wheel 436, gin wheel 433 and fly block 434 are simultaneously finally secured to the free end of main gin pole 3.It is described to lead
436 the rotary table 2 is connected to by steel cable to wheel, can with the rotation of the rotary table 2 flexible motion.The guiding
The setting of wheel 436 can prevent the crane rope 435 from deviating from from the gin wheel 433 of the main free end of gin pole 3, enhance institute
State the steadiness of hoisting system 43.
When the gin-pole truck 100 works, its control method mainly includes the change for controlling the magnitude of inclination of the main gin pole 3
The left and right revolution of width control process, the control main horizontal deflection direction of gin pole 3 is controlled process and realized using the main gin pole 3
The lift control process of lifting lifting.
The lifting operation of the gin-pole truck 100 belongs to eminence dangerous operation, and operating condition is changeable, need to carry out formal operation
Before, the gin-pole truck 100 is debugged and tested, in the present embodiment, to hang load be 20KN for examination, try to hang it is qualified after ability
Formally come into operation.In other embodiments, the examination hangs load according to project profile and actual hoisting weight and gin pole
Hang the main difference for taking off the selection of bar material etc. and make accommodation.
The luffing control process of the magnitude of inclination of the main gin pole 3 of control specifically includes following content：
(1) be provided as on the axis where gin pole basis 1 changing-breadth system 41 of first traction component with
Control the reclining amplitude of the main gin pole 3：
As described above, the changing-breadth system 41 includes luffing drive mechanism 411 and fixed block 412, the luffing driving machine
Structure 411, fixed block 412 and connecting through from what the luffing drive mechanism 411 was extended for main gin pole 3 pass through the fixed block
The luffing steel cable 413 that the free end of main gin pole 3 is anchored in after 412 is realized.
Specifically, the jib lubbing mechanism 411 is hoist engine or chain block.
In the present embodiment, first traction component (i.e. described changing-breadth system 41) is arranged at the standard knot horizontal stroke of tower crane 10
On bar.In other embodiments, the jib lubbing mechanism 411 can suitably adjust installation site according to requirement of engineering.
(2) luffing operation is carried out：
Start the luffing drive mechanism to tighten up or discharge the luffing steel cable；
The main gin pole follows the folding and unfolding situation of the luffing steel cable vertically to be swung；
When the main gin pole is put to suitable location, the luffing drive mechanism out of service.
Further, the luffing operation can be divided into upward luffing and downward luffing.
Specifically, the process that controls of the luffing upwards is：
Start luffing drive mechanism 411, luffing drive mechanism 411 drives the luffing steel cable 413 to tighten up, due to the master
The connected mode of the one end of gin pole 3 and the rotary table 2 is be hinged, and main gin pole 3 can be achieved and carried out centered on the hinged place
Vertically swing up and down, so as to change the magnitude of inclination of main gin pole 3.
Therefore, when the luffing steel cable 412 for being connected to the free end of main gin pole 3 is tightened up, the main free end of gin pole 3 by
The pulling force upward to one, so that main gin pole 3 is swung up, the radius of the drop shadow spread immediately below the main gin pole 3 subtracts therewith
Small, i.e., the radial direction job area of the main gin pole 3 reduces.
When main gin pole 3 is put to suitable location, i.e., when the radial direction job area of described main gin pole 3 is contracted to optimum range,
Luffing drive mechanism 411 out of service.
Specifically, the process that controls of the luffing downwards is：
Start luffing drive mechanism 411, luffing drive mechanism 411 drives the luffing steel cable 413 to discharge, due to the master
The connected mode of the one end of gin pole 3 and the rotary table 2 is be hinged, and main gin pole 3 can be achieved and vertically swung up and down, so as to change
Become the magnitude of inclination of main gin pole 3.
Therefore, when be connected to the free end of main gin pole 3 luffing steel cable 412 discharge when, the main free end of gin pole 3 by
The pulling force that arrives reduces, so that main gin pole 3 is because of self gravitation and to lower swing, the drop shadow spread immediately below the main gin pole 3
Radius increases therewith, i.e. the radial direction job area increase of the main gin pole 3.
When main gin pole 3 is put to suitable location, i.e., when the radial direction job area of described main gin pole 3 increases to optimum range,
Luffing drive mechanism 411 out of service.
The left and right revolving-control method in the main horizontal deflection direction of gin pole 3 of control enters by the revolution trailer system 42
OK, following content is specifically included：
(1) led in the revolution with being provided as the second traction component in the basic 1 parallel revolution control plane of the gin pole
Draw system 42 to control the horizontal deflection direction of the main gin pole 3：
The revolution control plane is higher than the main gin pole 3 perpendicular to the axis where gin pole basis 1.
As described above, the revolution trailer system 42 includes left rotary motion mechanism 4211 and right-hand rotation drive mechanism
4212, and the connection left rotary motion mechanism 4211 and the left traction steel rope of cable 4221 of the main free end of gin pole 3, connect institute
State the right traction steel rope of cable 4222 of right-hand rotation drive mechanism 4212 and the main free end of gin pole 3.
Specifically, the left rotary motion mechanism 4211 and right-hand rotation drive mechanism 4212 are hoist engine or pull calabash
Reed.
In the present embodiment, the left rotary motion mechanism 4211 is on the platform of counter-jib 104 of tower crane 10, institute
State the root of crane arm 103 that right-hand rotation drive mechanism 4212 is located at tower crane 10.The revolution control parallel with gin pole basis 1 is flat
Face refers to the plane where the crane arm 103 and counter-jib 104 of tower crane 10.In other embodiments, the left revolution driving
Mechanism 4211 and right-hand rotation drive mechanism 4212 can suitably adjust its installation site on the premise of being maintained at same level.
(2) left and right revolution operation is carried out：
The left and right revolution operation can be divided into revolution to the left and (in the present embodiment, define close to the one end of crane arm 103
Gyratory directions are left) and to right-hand rotation (it be the right side in the present embodiment, to define the gyratory directions close to the one end of counter-jib 104).
Specifically, the control process turned round to the left is specific as follows：
Start left rotary motion mechanism 4211 and right-hand rotation drive mechanism 4212 simultaneously, positioned at the crane arm 103 of tower crane 10
The left rotary motion mechanism 4211 of root tightens up coupled left traction steel rope of cable 4221, and the counter-jib 104 positioned at tower crane 10 is flat
The coupled right traction steel rope of cable 4222 of the synchronous release of right-hand rotation drive mechanism 4212 on platform.
Two pull rope collective effects, main gin pole 3 is set to carry out turning left in horizontal direction.
When main gin pole 3 turns to suitable location, the left rotary motion mechanism 4211 and right-hand rotation driving out of service
Mechanism 4212.
Further, the control process to right-hand rotation is specific as follows：
Start left rotary motion mechanism 4211 and right-hand rotation drive mechanism 4212 simultaneously, positioned at the counter-jib 104 of tower crane 10
The left structure of revolution driving machine 4212 on platform discharges coupled left traction steel rope of cable 4222, positioned at the crane arm 103 of tower crane 10
The right-hand rotation drive mechanism 4211 of root synchronously tightens up coupled right traction steel rope of cable 4221.
Two pull rope collective effects, main gin pole 3 is set to carry out turning right in horizontal direction.
When main gin pole 3 turns to suitable location, the left rotary motion mechanism 4211 and right-hand rotation driving out of service
Mechanism 4212.
The lift control process is carried out by the hoisting system 43, is specifically comprised the following steps：
(1) it is provided as the 3rd traction component on gin pole basis 1 and/or on the axis where gin pole basis 1
Hoisting system to control the position for the grabhook (i.e. fly block 434) being connected with the main free end of gin pole 3；
(2) transfer at grabhook (fly block 434) weight to be risen：
Start hoisting winding 431 and discharge crane rope 435, the crane rope 435 is by fixed block 432 and is arranged at
The gin wheel 433 of the main free end of gin pole 3 and the fly block 434 of the lower section of gin wheel 433, and then control the fly block
434 drop to heavy object position to be risen.
(3) grabhook and heavy object to be risen are attached：
Cage is lifted by other crane gears, it is (dynamic to slide with grabhook to complete heavy object to be risen in cage by operator station
Car 434) connection binding work.
(4) grabhook described in raising is to sling the weight to be risen：
Start hoisting winding 431 and tighten up crane rope 435, the crane rope 435 is by fixed block 432 and is arranged at
The gin wheel 433 of the main free end of gin pole 3 and the fly block 434 of the lower section of gin wheel 433, and then control the fly block
434 rise, so as to realize the lifting of heavy object to be risen.
When each position movement to the gin-pole truck 100 is controlled, it should be noted that to ensure gin pole gin pole
Safe to use, each action should be completed individually, and raising and luffing operation should not be carried out when such as left and right is turned round；During luffing not
Revolution and raising operation should be carried out.
The gin-pole truck 100 of the present invention is mainly used in removing the attachment device of tower crane 10, that is, is used for the attachment for lifting tower crane 10
Device, forbid the gin-pole truck cage using the present invention manned.
The attachment device of tower crane 10 generally includes three (or four) horizontally disposed struts and one group is enclosed on standard section main
Attaching frame on chord member.The tricks of the attachment device is determined by lifting altitude.
It is as follows that brace bar attached method is removed using the gin-pole truck of the present invention：
(1) gin-pole truck 100 is installed in advance in tower crane 10 or using the tower crane 10 for being provided with gin-pole truck 100：
The gin-pole truck 100 is installed on tower crane stock 102, can be risen or fallen with tower crane stock 102.In 10 liters of tower crane
In high process, to keep the stability of tower crane 10, it will usually increase attachment device in certain altitude.Attachment device installs
Afterwards, tower crane stock 102 can not decline due to the stop of attachment device, and therefore, the gin-pole truck 100 should be before attachment device be installed
It is installed on tower crane stock 102.Preferably, before for the lifting guide support adding of tower crane 10, first the gin-pole truck 100 should be installed
In on tower crane stock 102, then pass through the jacking of tower crane stock 102 plus supernumerary segment.
(2) main gin pole 3 is controlled to be moved to the surface of component to be torn open：
When attachment device to be removed, it is necessary to first control main gin pole 3 to be moved to the surface of attachment device to be removed.Specifically
For, including：
The main gin pole 3 is controlled to return back to the top of component to be torn open；
Control the main gin pole 3 to carry out luffing operation, adjust lifting amplitude radius.
Wherein, control process is turned round by foregoing gin-pole truck or so, main gin pole 3 is slowly turned back to component to be torn open
Top；
Process is controlled by foregoing gin-pole truck luffing, luffing control is carried out to main gin pole 3, appropriate increase or diminution master takes off
The lifting amplitude radius of bar is to OK range.
(3) disassembled described after tearing component open and being fixed with grabhook (being suspended on the fly block 434) temporarily：
Specifically comprise the following steps：
A) transfer at grabhook (fly block 434) to component to be torn open：
Hoisting winding 431 discharges crane rope 435, and the crane rope 435 is by fixed block 432 and is arranged at main take off
The gin wheel 433 of the free end of bar 3 and the fly block 434 of the lower section of gin wheel 433, and then control under the fly block 434
It is down to component position to be torn open.Two isometric lifting ropes are hung up, it is firmly lain in the both ends of component to be torn open respectively.Two are hung
The effect of rope is to stablize attachment device, prevents it to be removed rear Free Slosh or collision.
B) it is the component to be torn open and grabhook (fly block 434) is temporarily fixed：
Cage is lifted by other crane gears, operator station completes the connection of component and grabhook to be torn open in cage
Bundle work.
C) attachment device is disassembled：
Cage is lifted by other crane gears, operator station removes attachment device in cage.
D) grabhook described in raising (fly block 434) is to sling component to be torn open：
Hoisting winding 431 tightens up crane rope 435, and the crane rope 435 is by fixed block 432 and is arranged at main take off
The gin wheel 433 of the free end of bar 3 and the fly block 434 of the lower section of gin wheel 433, and then control on the fly block 434
Rise, so as to realize the lifting of component to be torn open.
(4) controlled play the main gin pole 3 for having torn component open be moved to decentralization area above：
The decentralization area is located at the lower section of the crane arm 103 of the tower crane.
Control process is turned round by foregoing gin-pole truck or so, main gin pole 3 or so is returned back to the top in the decentralization area.
(5) after having removed component described in decentralization, above-mentioned (2)~(4) is repeated and continue to remove other components to be torn open：
It is again started up hoisting winding 431 and discharges crane rope 435, control grabhook (fly block 434) declines, so that will
The component to be torn open for being bundled in grabhook (fly block 434) drops down onto ground.
Due to attachment device to be removed often have it is many, therefore after first attachment device has been removed, it is necessary to circulate on
Action is stated, until each attachment device is removed and finished.
The dismounting work of the attachment device is carried out from top to bottom.It must strictly observe first to drop when removing attachment device and tear open afterwards
Principle, i.e., when tower crane stock, which drops to attached wall, to tear tower open again, attached wall could be removed and forbid to drop tower after first tearing attached wall open.
Described above is only some embodiments of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of method for dismounting of tower crane attachment device, it is characterised in that it comprises the following steps：
(1) gin-pole truck is installed in advance in tower crane or using the tower crane for being provided with gin-pole truck；
(2) surface for controlling main gin pole to return back to component to be torn open by turning round trailer system, and controlled and led by changing-breadth system
Gin pole carries out luffing operation, adjusts lifting amplitude radius, wherein, the revolution trailer system includes being arranged on and the gin pole base
Plinth is parallel and concordant or higher than the left rotary motion mechanism in the revolution control plane of the free end of the main gin pole and right time
Turn drive mechanism, and connect the left rotary motion mechanism and the left traction steel rope of cable of the main gin pole free end, described in connection
Right-hand rotation drive mechanism and the right traction steel rope of cable of the main gin pole free end；
(3) disassembled described after tearing component open and being fixed by the grabhook of the main gin pole suspention temporarily；
(4) controlled play the main gin pole for having torn component open be moved to decentralization area above；
(5) after having torn component open described in decentralization, above-mentioned (2)~(4) is repeated and continue to remove other components.
2. the method for dismounting of tower crane attachment device according to claim 1, it is characterised in that the gin-pole truck includes gin pole
Basis and pivot joint are fixed on the main gin pole on the basis of the gin pole.
3. the method for dismounting of tower crane attachment device according to claim 2, it is characterised in that the gin pole base of the gin-pole truck
The surface of plinth and tower crane stock is fixed.
4. the method for dismounting of tower crane attachment device according to claim 3, it is characterised in that the gin pole basis and tower crane
Fixed temporarily using bolt form between stock.
5. the method for dismounting of tower crane attachment device according to claim 1 or 2, it is characterised in that the main gin pole from
Gin wheel is provided with by end, the grabhook hang on the underface of the gin wheel.
6. the method for dismounting of tower crane attachment device according to claim 5, it is characterised in that described in the step (3)
Component to be torn open is fixed temporarily with grabhook by lifting rope and shackle.
7. the method for dismounting of tower crane attachment device according to claim 6, it is characterised in that the component to be torn open it is interim
It is fixed that manual operation is carried out by operator with disassembling process.
8. the method for dismounting of tower crane attachment device according to claim 7, it is characterised in that the operator is by other
Lifting appliance is transported at component to be torn open.
9. the method for dismounting of tower crane attachment device according to claim 1, it is characterised in that the decentralization area is positioned at described
The lower section of the crane arm of tower crane.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610508433.7A CN105883645B (en) | 2016-06-29 | 2016-06-29 | The method for dismounting of tower crane attachment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610508433.7A CN105883645B (en) | 2016-06-29 | 2016-06-29 | The method for dismounting of tower crane attachment device |
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| Publication Number | Publication Date |
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| CN105883645A CN105883645A (en) | 2016-08-24 |
| CN105883645B true CN105883645B (en) | 2018-01-05 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107161879B (en) * | 2017-06-27 | 2018-08-03 | 中建二局第二建筑工程有限公司 | Attached wall provision for disengagement and its method for dismounting on rear side of derrick crane |
| CN114671358B (en) * | 2022-03-03 | 2024-05-24 | 中核华兴达丰机械工程有限公司 | Tower crane attachment, installation and disassembly lifting device |
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| CN203922516U (en) * | 2014-05-30 | 2014-11-05 | 中建七局安装工程有限公司 | Tower crane attachment arm is removed pole |
| CN105060138A (en) * | 2015-09-07 | 2015-11-18 | 鞍钢房产建设有限公司 | Disassembling and installation method for tower crane attachment |
| CN205114902U (en) * | 2015-11-21 | 2016-03-30 | 广东庞源工程机械有限公司 | Device of demolising that attaches wall pull rod of high void tower formula hoist |
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| JP5000139B2 (en) * | 2006-01-13 | 2012-08-15 | 鹿島建設株式会社 | Tower crane mast holding device |
| CN201458596U (en) * | 2009-08-14 | 2010-05-12 | 河北省电力建设第一工程公司 | Crane with self-dismounting device |
| CN103552937A (en) * | 2013-10-30 | 2014-02-05 | 中联重科股份有限公司 | Tower type hoisting and distributing dual-purpose machine |
| CN203922516U (en) * | 2014-05-30 | 2014-11-05 | 中建七局安装工程有限公司 | Tower crane attachment arm is removed pole |
| CN103979438A (en) * | 2014-06-05 | 2014-08-13 | 南通市达欣工程股份有限公司 | Auxiliary device for disassembling tower crane attachment bracket |
| CN105060138A (en) * | 2015-09-07 | 2015-11-18 | 鞍钢房产建设有限公司 | Disassembling and installation method for tower crane attachment |
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| Publication number | Publication date |
|---|---|
| CN105883645A (en) | 2016-08-24 |
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