CN106276631A - A kind of roofing device for hoisting and crane and the method for dismounting of crane arm - Google Patents

A kind of roofing device for hoisting and crane and the method for dismounting of crane arm Download PDF

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Publication number
CN106276631A
CN106276631A CN201610864784.1A CN201610864784A CN106276631A CN 106276631 A CN106276631 A CN 106276631A CN 201610864784 A CN201610864784 A CN 201610864784A CN 106276631 A CN106276631 A CN 106276631A
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CN
China
Prior art keywords
roofing
arm
crane
hoisting
roof
Prior art date
Application number
CN201610864784.1A
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Chinese (zh)
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CN106276631B (en
Inventor
庄爱军
Original Assignee
庄爱军
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Application filed by 庄爱军 filed Critical 庄爱军
Priority to CN201610864784.1A priority Critical patent/CN106276631B/en
Publication of CN106276631A publication Critical patent/CN106276631A/en
Application granted granted Critical
Publication of CN106276631B publication Critical patent/CN106276631B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/20Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
    • B66C23/205Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures for use on top of roofs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/26Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62Constructional features or details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62Constructional features or details
    • B66C23/64Jibs
    • B66C23/70Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B66C23/703Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by flexible elements, e.g. cables, chains or bands
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62Constructional features or details
    • B66C23/84Slewing gear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00Cranes
    • B66C2700/03Cranes with arms or jibs; Multiple cranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00Cranes
    • B66C2700/03Cranes with arms or jibs; Multiple cranes
    • B66C2700/0392Movement of the crane arm; Coupling of the crane arm with the counterweights; Safety devices for the movement of the arm

Abstract

nullThe present invention discloses a kind of roofing device for hoisting and crane and the method for dismounting of crane arm,In order to preferably fix roofing device for hoisting,The basic girder steel that roofing is hung on base by the present invention is fixed by the fastening bolt penetrating the beam slab on roof,And be provided with parallel pressing plate basis girder steel is gripped with beam slab,Steadiness when carrying gravity is hung on reduction roofing,It is allowed to move more steady,And utilize this roofing device for hoisting,With the position intersected that contacts on roof, one lower sheave is installed at tower crane,By the hoist rope by being arranged on tower crane self through this lower sheave and crane arm,So that crane arm is kept balance,And under the traction of the suspension hook hung at roofing,Steadily、Dismantle crane arm rapidly,This mode is especially suitable for the dismounting of overlength crane arm,And after crane arm dismounting,Recycle this roofing device for hoisting counter-jib to tower crane、Counterweight、Tower cap、Rotating assembly、Jacking stock assembly and standard knot are dismantled successively,Unloading process is simple,And dismounting is steadily.

Description

A kind of roofing device for hoisting and crane and the method for dismounting of crane arm
Technical field
The present invention relates to tower crane technical field, particularly relate to a kind of roofing device for hoisting and crane and the dismounting side of crane arm Method.
Background technology
Along with the fast development of modernization construction, high-rise building gets more and more, and whole height is up to 600 meters, and building Thing floor area is less than normal.In construction of super highrise building, the derrick crane (abbreviation tower crane) of application mostly typically is inner climbing type.Inside climb The installation of formula derrick crane must be depended between building or Core Walls Structure is fixed and raises.When derrick crane completes construction After task, it is necessary to dismantle climbing tower crane to ground, existing utilization is pacified on building top level structure cylinder or beam body Dress roof-type crane (being called for short roofing to hang) carries out dismantling derrick crane.When dismantling derrick crane, sometimes because of roofing field Ground condition limits, and roof-type crane cannot directly hang load jib for tower crane central point, when after central point rearward displacement, Jib for tower crane depart from tower body fixing after cause front end center of gravity downward, crane arm rearward end is upwards lifted up, roof-type Crane cannot be normally carried out dismounting.
Summary of the invention
For weak point present in above-mentioned technology, the present invention provides easy to operate, and dismounting is steadily, quick lifting Machine and the method for dismounting of crane arm and apply to the roofing device for hoisting in this method for dismounting.
In order to achieve the above object, one roofing device for hoisting of the present invention, including: roofing hangs base, rotating mechanism, Circumflex branch Frame, arm, lifting mechanism, torque arm mechanism, diagonal brace and support bar, described roofing hangs base and is fixed on roof, described whirler Structure is fixed on roofing and hangs on base, and one end of described convolution support is fixed on rotating mechanism, and the bottom of described arm is fixed on One end that convolution support is fixing with rotating mechanism, and near lifting mechanism, described lifting mechanism and torque arm mechanism are each attached to back On circumflex branch frame, described support bar is fixing with torque arm mechanism is connected and is perpendicular to described convolution support, and described supporting bar top is arranged Having the first fixed pulley, described diagonal brace one end to be fixed on the fixing seat at lifting mechanism, the other end leans on and is fixed on support bar Top, and extending, and its extension arranges the first fixed pulley, the of the first fixed pulley and arm top walked around by the first steel wire rope Two fixed pulleys connect, and drive arm rise and fall, and described lifting mechanism is wound with the second steel wire rope, described second steel wire rope Walk around again after the 3rd fixed pulley by after the 5th fixed pulley on the 4th fixed pulley of arm medium position and arm with for hanging The suspension hook playing weight connects, and described roofing hangs and is provided with basis girder steel on base, and described basis girder steel is by penetrating the beam on roof The fastening bolt of plate is fixed.
Wherein, the beam slab lower end on described girder steel lower end, basis and roof is respectively arranged with the first pressing plate and the second pressing plate, And two block pressur plate be arranged in parallel and fixed by fastening bolt and the beam slab on basis girder steel and roof is gripped.
Wherein, described rotating mechanism includes rotating main body and support arm, and described rotation main body includes rotating shaft and fixed mount, institute Stating rotation main body to be fixed on fixed mount, one end of support arm is hinged with fixed mount, and the other end stretches out solid with convolution support Fixed connect, and fixed mount, support arm and convolution support entirety enclose one triangular shaped.
Wherein, described arm and convolution support connect end, diagonal brace, support bar and fixed mount and support arm with corresponding The connection of each this part of assembly is all to be fixed by articulated manner, the elasticity connected by bolt regulation.
Wherein, described 4th fixed pulley is fixed on arm, and the position being connected with rotating mechanism near arm lower end with Increase moment.
Invention additionally discloses a kind of inner climbing type crane and the method for dismounting of crane arm, including:
Being provided with above-mentioned described roofing device for hoisting, described roofing device for hoisting is arranged near tower crane, and arm is higher than tower crane Tower cap position;
Tower crane contacts the position intersected and is provided with a lower sheave with roof, and described lower sheave passes through fastening bolt and Boards wall On the standard knot cross bar that tower crane contacts with roof, one end of the hoist rope of tower crane self is fixed on tower crane counter-jib 6th fixed pulley, the end that the other end is walked around the 7th fixed pulley being arranged on tower cap successively, is connected to crane arm after lower sheave End;
Suspension hook on roofing device for hoisting tangles crane arm by steel wire rope, controls to hang by the first steel wire rope on roofing device for hoisting The lifting of arm, by rotating mechanism, rotates back to circumflex branch frame, thus is steadily dismantled by crane arm and be placed on roof;
Tangled the steel wire rope being bundled with counter-jib by suspension hook, smoothly counter-jib dismantled and be placed on roof;
Tangled by suspension hook and be bundled with counterweight, tower cap, rotating assembly, jacking stock assembly and standard knot, respectively by counterweight, tower Cap, rotating assembly, jacking stock assembly and standard knot dismounting;
One gin-pole truck is set on roof the most again, by arranging gin-pole truck dismounting roofing device for hoisting device on roof;
Indoor elevator is utilized to be transported to ground after gin-pole truck artificial unloading.
Wherein, roofing is hung the basic girder steel of base and is connected with flooring by fastening bolt, and each two fastening bolt becomes one group, And penetrate first beam slab on roof, the first pressing plate that fastening bolt group is positioned on the girder steel of basis by clamping be positioned at the of roof The beam slab of basis girder steel with roof is gripped by the second pressing plate of one beam slab lower end;First beam slab on roof and the second beam slab it Between be clamped with reinforcing steel column, the second pressing plate is withstood in one end of described reinforcing steel column, and the other end withstands feet steel plate, and by feet steel Plate is fixed on the second beam slab.
Wherein, it is down to, from roofing extreme lower position, climbing by tower crane first with system of climbing in tower crane itself before Tower crane disassembly Frame position is fixed by tower crane, and mobile roof device for hoisting turns round, and utilizes the arm of roofing device for hoisting to hang counterweight, but need to stay one Block counterweight makees balanced action, during dismounting counterweight, it is desirable to vertically smoothly hang out counterweight.
Wherein, on roof, the mode of a separately installed gin-pole truck is, by four end points and the cross part of cross girder steel Position is fixed by the pre-embedded bolt on roof, and each pre-embedded bolt lower end is both provided with bearing plate, on four limits of cross girder steel Upper fixing gin-pole truck base.
Wherein, the method for dismounting of roofing device for hoisting is lowered into roof except the arm hung by roofing, outside artificial unloading, works as institute When the roofing used hangs bigger, hang by installing the roofing of a small size near hanging at roofing again, hang with small size roofing Arm remove large volume roofing device for hoisting.
The invention has the beneficial effects as follows:
Compared with prior art, the present invention provides a kind of roofing device for hoisting, in order to preferably fix roofing device for hoisting, the present invention The basic girder steel hung by roofing on base is fixed by the fastening bolt penetrating the beam slab on roof, and is provided with parallel pressing plate general Basis girder steel grips with beam slab, hangs on steadiness when carrying gravity reducing roofing, is allowed to move more steady and sharp With this roofing device for hoisting, one lower sheave is installed, by tower crane will be arranged at tower crane with the position intersected that contacts on roof The hoist rope of self passes this lower sheave and crane arm, so that crane arm to keep balance, and the suspension hook hung at roofing Traction under, dismantle crane arm steadily, rapidly, this mode is especially suitable for the dismounting of overlength crane arm, and crane arm dismounting After, recycle this roofing device for hoisting and counter-jib, counterweight, tower cap, rotating assembly, jacking stock assembly and the standard knot of tower crane are depended on Secondary dismantling, unloading process is simple, and dismounting is steadily.
Accompanying drawing explanation
Fig. 1 is the structural representation of roofing device for hoisting of the present invention;
Fig. 2 is the scheme of installation that roofing of the present invention hangs base and roof;
Fig. 3 is the structural representation that roofing of the present invention hangs dismounting crane arm;
Fig. 4 is lower sheave scheme of installation of the present invention;
Fig. 5 is lower sheave of the present invention and standard knot connection diagram;
Fig. 6 is that roofing of the present invention hangs dismounting tower cap schematic diagram;
Fig. 7 is that gin-pole truck of the present invention dismounting roofing hangs structural representation;
Fig. 8 is the fixing schematic diagram of this law gin-pole truck and roof.
Detailed description of the invention
In order to more clearly state the present invention, below in conjunction with the accompanying drawings the present invention is further described.
Refer to Fig. 1-Fig. 2, a kind of roofing device for hoisting disclosed by the invention, including: roofing hangs base 11, rotating mechanism 12, convolution support 13, arm 14, lifting mechanism 15, torque arm mechanism 16, diagonal brace 17 and support bar 18, roofing hangs base 11 and fixes On roof, rotating mechanism 12 is fixed on roofing and hangs on base 11, and one end of convolution support 13 is fixed on rotating mechanism 12, hangs The bottom of arm 14 is fixed on convolution support 13 and the fixing one end of rotating mechanism 12, and near lifting mechanism 15, lifting mechanism 15 Being each attached to circle round on support 13 with torque arm mechanism 16, support bar 18 is fixing with torque arm mechanism 16 to be connected and is perpendicular to the support that circles round 13, support bar 18 top is provided with the first fixed pulley 21, and diagonal brace 17 one end is fixed on the fixing seat at lifting mechanism 15, another End leans on and is fixed on the top of support bar 18, and extends, and its extension arranges the second fixed pulley 22, the first steel wire rope 51 around Cross the second fixed pulley 22 to be connected with the 3rd fixed pulley 23 on arm top, and drive arm 14 rise and fall, lifting mechanism 15 On be wound with the second steel wire rope 52, the second steel wire rope 52 is walked around again after the first fixed pulley 21 fixed sliding by the 4th of arm medium position the Being connected with the suspension hook 19 for weight of slinging after the 5th fixed pulley 25 on wheel 24 and arm, roofing hangs and is provided with base on base 11 Plinth girder steel 111, basis girder steel 111 is fixing by the fastening bolt 4 penetrating first beam slab 31 on roof, each two fastening bolt 4 Becoming one group, and penetrate first beam slab 31 on roof, fastening bolt 4 is positioned at the first pressing plate 31 on the girder steel 111 of basis by clamping With the second pressing plate 1112 of the first beam slab 31 lower end being positioned at roof, basis girder steel 111 is clamped solid with first beam slab 31 on roof Fixed;Being clamped with reinforcing steel column 33 between first beam slab 31 and second beam slab 32 on roof, the one end reinforcing steel column 33 withstands second Pressing plate 1112, the other end withstands feet steel plate 34, and is fixed on by feet steel plate 34 on second beam slab 32, this kind of structure, allows whole Individual roofing device for hoisting can be the most fixing with roof, it is to avoid shakes roofing device for hoisting carrying weight runs when, So that roofing device for hoisting is the most steady, safety is higher.
In the present embodiment, rotating mechanism 12 includes rotating main body 121 and support arm 122, rotates main body 121 and includes rotating shaft 1211 and fixed mount 1212, rotate main body 121 and be fixed on fixed mount 1212, one end of support arm 122 is cut with scissors with fixed mount 1212 Connecing, the other end stretches out be connected fixing with convolution support 13, and fixed mount 1212, support arm 122 are overall with convolution support 13 Enclose the shape of a triangle, fix convolution support 13 preferably to support, and fixed mount 1212, support arm 122 with It is mutually connected as articulated manner between convolution support 13, by bolt each is connected assembly is fixing to be connected, rise equally The connection risen between mechanism 15, torque arm mechanism 16, diagonal brace 17, support bar 18 and arm 14 and convolution support 13 is also by hinged Mode is fixed, and when the connection end of arm 14 and convolution support 13 passes through articulated manner, should regulate the elasticity of link bolt, make Arm 14 can rotate with link bolt for axle, to guarantee that whole arm 14 can move up and down.
In the present embodiment, the 4th fixed pulley 24 is fixed on arm 14, and near arm 14 lower end and rotating mechanism 12 Sling moment during weight by suspension hook 19 to increase the second steel wire rope 52 in the position connected.
In the present embodiment, by above-mentioned roofing device for hoisting to the extraordinary crane arm of inner climbing crane tower and whole tower crane thereof Unloading process as follows:
Installing and give an account of the roofing device for hoisting continued, roofing device for hoisting is arranged near tower crane 6, and arm 14 is higher than the tower of tower crane 6 Cap 61 position;
Referring to Fig. 3-Fig. 6, tower crane 6 contacts the position intersected and is provided with a lower sheave 7 with roof, and lower sheave 7 is by fastening Bolt 4 is fixed on clamping plate 8 on the cross bar 651 of the standard knot 65 that tower crane 6 contacts with roof, the hoist rope of tower crane 6 self One end of 66 is fixed on the 6th fixed pulley 26 on the counter-jib 63 of tower crane 6, and the other end is walked around successively and is arranged on tower cap 61 The end of crane arm 62 it is connected to after 7th fixed pulley 27, lower sheave 7;
Suspension hook 19 on roofing device for hoisting 1 tangles crane arm 62 by steel wire rope, by the first steel wire rope on roofing device for hoisting 1 51 liftings controlling arm 14, by rotating mechanism 12, rotate back to circumflex branch frame 13, thus are steadily dismantled by crane arm 63 and place On roof;
Tangled the steel wire rope being bundled with counter-jib 63 by suspension hook 19, smoothly counter-jib 63 dismantled and be placed on roof;
Tangled by suspension hook 19 and be bundled with counterweight 64, tower cap 61, rotating assembly 67, jacking stock assembly 68 and standard knot 65, point Counterweight 64, tower cap 61, rotating assembly 67, jacking stock assembly 68 and standard knot 65 are not dismantled;
One gin-pole truck is set on roof the most again, by arranging gin-pole truck dismounting roofing device for hoisting on roof;
Indoor elevator is utilized to be transported to ground after gin-pole truck artificial unloading.
In the present embodiment, tower crane 6 is down to from roofing minimum first with climbing system in tower crane 6 itself before tower crane 6 is dismantled Position, in frame position of climbing, tower crane is fixed, mobile roof hangs 1 revolution, and the arm 14 utilizing roofing to hang 1 hangs 4 pieces and joins Weight, stays one piece of counterweight to make balanced action, and under lifting 62 leading portion second section, two " people " font barres of device for carrying a tripot bar installation hang and (scheme not Show), control, with 5T chain block, the effect toppling to reach to control suspension hook 19 central point that barre hangs.Tower crane 6 is utilized to hoist steel Section 7 crane arm 62 is sling stress by cord 66 as traction power, then destroys crane arm 62 and connects bearing pin, slightly by 5T hands Draw calabash to unclamp distance element, make Section 7 crane arm and Section 6 crane arm have distance, then start main hoisting mechanism (not shown), Crane arm 62 is winched to ground, utilizes the method after removing Section 5 crane arm successively, to utilize roofing device for hoisting 1 by the 50 of tower crane 6 15 degree of angles of lifting, rice crane arm 62 front end, make front tension bar bend, and roofing device for hoisting suspension hook 19 is by disposable for 40 meters of crane arms 62 Winch to roofing.
In the present embodiment, the step removing counter-jib 63 is:
A. with roofing device for hoisting 1, remaining one piece of counterweight block is hung down;
B. by the installation hanger (not shown) on counter-jib 63, with roofing device for hoisting 1, counter-jib 63 is sling, allow counter-jib 63 Pull bar is in unstressed state, the connecting pin in the middle of dismounting counter-jib 63 pull bar;
C. counter-jib 63 is sling, be put into ground and be lined with on the bearing of sleeper.
In the present embodiment, the step of dismounting counter-jib 63 is:
A. rope is fixed on above the hanger of tower crown end, slowly strains rope;
B. dismounting and connecting pin;
C. sling tower cap, put it to ground and be lined with on the bearing of sleeper.
Check and with whether there being cable between adjacent component be connected, equipped with safety member on tower cap, hoisting process notices protection, It is to notice that can not be pressed onto in safety member hoisting process attention can not allow tower cap amplitude of fluctuation during movement being put into ground Excessive, in order to avoid colliding with other parts.
In the present embodiment, the mode of dismounting rotating assembly is: rotating assembly includes upper bracket, undersetting, pivoting support And drivers' cab;
A. 8 the M30 × 360-10.9 grade high-strength Bolt dismantlings being connected with standard knot by undersetting get off;
B. rope is fixed on above upper bracket, slowly strains rope, lower 4 connecting pins between undersetting and climbing support of dismounting Axle;
C. rotating assembly 67 is sling, be placed into ground and be lined with on the bearing of sleeper.
Event in the present embodiment, dismounting rotating assembly 67 is it is noted that destroy tower crane 6 parts, equipped with being permitted on rotating assembly 67 Many electric components, it should be noted that protection, it is noted that protect the easily damaged parts such as drivers' cab in unloading process.
Event in the present embodiment, the mode of dismounting jacking stock assembly is:
Rope is fixed on four chord members on jacking stock top, with roofing device for hoisting 1, it is hung oneself from the standard knot of tower crane Go out, be placed into ground and be lined with on the bearing of sleeper, when jacking stock hangs out tower body completely, it is impossible to oblique pull jacking stock.
The mode of dismounting residue standard knot is: will fix steel wire rope on standard knot, removes residue standard knot with suspension hook 19, The dismounting parts such as base section and lower sheave 7.
Fig. 7-Fig. 8, is finally the dismounting to roofing device for hoisting 1, and the method for dismounting of roofing device for hoisting 1 is except lifting roofing The arm 14 put is lowered into roof, outside artificial unloading, when the roofing device for hoisting 1 used is bigger, by roofing device for hoisting Vicinity the roofing device for hoisting of one small size is installed again, the arm hung with small size roofing removes the roofing lifting of large volume [K1] 。
When artificial realizing self disassembling roofing device for hoisting 1, it usually needs a gin-pole truck 90 is dismantled as auxiliary body, takes off Bar hangs 90 vicinity being typically mounted on roofing device for hoisting 1, and its concrete mounting means is as described in Figure, by four of cross girder steel 91 End points and crossover sites are fixed by the pre-embedded bolt 92 on roof, and each pre-embedded bolt 92 lower end is both provided with bearing plate 93, four limits of cross girder steel 91 are fixed gin-pole truck base 90, connects steel wire by the fixed pulley on gin-pole truck Rope and amplitude variation trolley dismantle roofing device for hoisting 1, after dismantling ten thousand roofing device for hoisting 1, gin-pole truck 90 artificial unloading, utilize indoor Elevator is transported to ground.
Present invention have an advantage that
1) the basic girder steel that roofing is hung on base by the present invention is fixed by the fastening bolt penetrating the beam slab on roof, and is provided with Basis girder steel is gripped by parallel pressing plate with beam slab, hangs on steadiness when carrying gravity reducing roofing, is allowed to transport Dynamic more steady;
2) and utilize this roofing device for hoisting, with the position intersected that contacts on roof, one lower sheave is installed at tower crane, by will The hoist rope being arranged on tower crane self passes this lower sheave and crane arm, so that crane arm is kept balance, and at roofing Under the traction of the suspension hook hung on, dismantling crane arm steadily, rapidly, this mode is especially suitable for the dismounting of overlength crane arm;
3), after crane arm dismounting, this roofing device for hoisting is recycled to the counter-jib of tower crane, counterweight, tower cap, rotating assembly, jacking set Frame assembly and standard knot are dismantled successively, and unloading process is simple, and dismounting is steadily.
The several specific embodiments being only the present invention disclosed above, but the present invention is not limited to this, any ability What the technical staff in territory can think change all should fall into protection scope of the present invention.

Claims (10)

1. a roofing device for hoisting, it is characterised in that including: roofing hangs base, rotating mechanism, convolution support, arm, lifting machine Structure, torque arm mechanism, diagonal brace and support bar, described roofing hangs base and is fixed on roof, and described rotating mechanism is fixed on roofing and hangs On base, one end of described convolution support is fixed on rotating mechanism, and the bottom of described arm is fixed on convolution support and rotation One end that mechanism is fixing, and near lifting mechanism, described lifting mechanism and torque arm mechanism are each attached to circle round on support, described Strut is fixing with torque arm mechanism to be connected and is perpendicular to described convolution support, and described supporting bar top is provided with the first fixed pulley, institute Stating diagonal brace one end to be fixed on the fixing seat at lifting mechanism, the other end leans on the top being fixed on support bar, and extends, and Its extension arranges the first fixed pulley, and the first steel wire rope is walked around the first fixed pulley and is connected with second fixed pulley on arm top, and Driving arm rise and fall, described lifting mechanism is wound with the second steel wire rope, it is fixed sliding that described second steel wire rope walks around again the 3rd After wheel by after the 5th fixed pulley on the 4th fixed pulley of arm medium position and arm with the suspension hook for weight of slinging even Connecing, described roofing hangs and is provided with basis girder steel on base, and described basis girder steel is solid by the fastening bolt penetrating the beam slab on roof Fixed.
Roofing device for hoisting the most according to claim 1, it is characterised in that described girder steel lower end, basis and the beam slab on roof Lower end is respectively arranged with the first pressing plate and the second pressing plate, and two block pressur plates are be arranged in parallel and fixed by fastening bolt and by basis steel Beam grips with the beam slab on roof.
Roofing device for hoisting the most according to claim 1, it is characterised in that described rotating mechanism includes rotating main body and support Arm, described rotation main body includes that rotating shaft and fixed mount, described rotation main body are fixed on fixed mount, and one end of support arm is with fixing Frame is hinged, and the other end stretches out be connected fixing with convolution support, and fixed mount, support arm enclose one with convolution support entirety Individual triangular shaped.
4. according to the roofing device for hoisting described in claim 1 or 3 any one, it is characterised in that described arm and convolution support The connection connecting end, diagonal brace, support bar and fixed mount and support arm and each corresponding this part of assembly be all by hinged Mode is fixed, the elasticity connected by bolt regulation.
Roofing device for hoisting the most according to claim 1, it is characterised in that described 4th fixed pulley is fixed on arm, and The position being connected with rotating mechanism near arm lower end is to increase moment.
6. an inner climbing type crane and the method for dismounting of crane arm, it is characterised in that including:
Being provided with the roofing device for hoisting described in the claims 1-5 any one, it is attached that described roofing device for hoisting is arranged on tower crane Closely, and arm is higher than the tower cap position of tower crane;
Tower crane contacts the position intersected and is provided with a lower sheave with roof, and described lower sheave passes through fastening bolt and Boards wall On the standard knot cross bar that tower crane contacts with roof, one end of the hoist rope of tower crane self is fixed on tower crane counter-jib 6th fixed pulley, the end that the other end is walked around the 7th fixed pulley being arranged on tower cap successively, is connected to crane arm after lower sheave End;
Suspension hook on roofing device for hoisting tangles crane arm by steel wire rope, controls to hang by the first steel wire rope on roofing device for hoisting The lifting of arm, by rotating mechanism, rotates back to circumflex branch frame, thus is steadily dismantled by crane arm and be placed on roof;
Tangled the steel wire rope being bundled with counter-jib by suspension hook, smoothly counter-jib dismantled and be placed on roof;
Tangled by suspension hook and be bundled with counterweight, tower cap, rotating assembly, jacking stock assembly and standard knot, respectively by counterweight, tower Cap, rotating assembly, jacking stock assembly and standard knot dismounting;
One gin-pole truck is set on roof the most again, by arranging gin-pole truck dismounting roofing device for hoisting device on roof;
Indoor elevator is utilized to be transported to ground after gin-pole truck artificial unloading.
A kind of inner climbing type crane the most according to claim 6 and the method for dismounting of crane arm, it is characterised in that roofing hangs The basic girder steel of base is connected with flooring by fastening bolt, and each two fastening bolt becomes one group, and penetrates first beam on roof Plate, the first pressing plate that fastening bolt group is positioned on the girder steel of basis by clamping is pressed with the second of the first beam slab lower end being positioned at roof The beam slab of basis girder steel with roof is gripped by plate;It is clamped with reinforcing steel column between first beam slab and second beam slab on roof, The second pressing plate is withstood in one end of described reinforcing steel column, and the other end withstands feet steel plate, and by feet Interal fixation at the second beam slab On.
A kind of inner climbing type crane the most according to claim 6 and the method for dismounting of crane arm, it is characterised in that tower crane is torn open First with system of climbing in tower crane itself, tower crane is down to from roofing extreme lower position, in frame position of climbing by tower crane fix tightly before unloading Leaning on, mobile roof device for hoisting turns round, and utilizes the arm of roofing device for hoisting to hang counterweight, but one piece of counterweight need to be stayed to make balanced action, During dismounting counterweight, it is desirable to vertically smoothly hang out counterweight.
A kind of inner climbing type crane the most according to claim 6 and the method for dismounting of crane arm, it is characterised in that on roof The mode of a separately installed gin-pole truck is, four end points and the crossover sites of cross girder steel are passed through the pre-buried spiral shell on roof Bolt is fixed, and each pre-embedded bolt lower end is both provided with bearing plate, fixes gin-pole truck base on four limits of cross girder steel.
A kind of inner climbing type crane the most according to claim 6 and the method for dismounting of crane arm, it is characterised in that roofing The method for dismounting of device for hoisting is lowered into roof except the arm hung by roofing, outside artificial unloading, when the roofing used hangs bigger Time, hanging by installing the roofing of a small size at roofing near hanging again, the arm hung with small size roofing removes large volume Roofing device for hoisting.
CN201610864784.1A 2016-09-30 2016-09-30 A kind of roofing device for hoisting and the method for dismounting of crane and crane arm CN106276631B (en)

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CN107720569A (en) * 2017-11-08 2018-02-23 中国三冶集团有限公司 One kind is removed inner climbing crane tower and hung with masts type roofing
CN108147296A (en) * 2017-12-27 2018-06-12 中建四局第五建筑工程有限公司 A kind of restoration methods of high-altitude fracture tower crane
CN109704210A (en) * 2019-01-22 2019-05-03 中建四局第五建筑工程有限公司 A kind of high-altitude tower crane large arm fracture dip method for dismounting

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CN107055347A (en) * 2017-05-22 2017-08-18 庄爱军 A kind of high-rise Tower crane disassembly structures and methods installed
CN107055347B (en) * 2017-05-22 2018-03-27 庄爱军 A kind of Tower crane disassembly structures and methods of high-rise installation
CN107720569A (en) * 2017-11-08 2018-02-23 中国三冶集团有限公司 One kind is removed inner climbing crane tower and hung with masts type roofing
CN107720569B (en) * 2017-11-08 2019-11-15 中国三冶集团有限公司 A kind of dismounting inner climbing crane tower is hung with masts type roofing
CN108147296A (en) * 2017-12-27 2018-06-12 中建四局第五建筑工程有限公司 A kind of restoration methods of high-altitude fracture tower crane
CN108147296B (en) * 2017-12-27 2019-08-27 中建四局第五建筑工程有限公司 A kind of restoration methods of high-altitude fracture tower crane
CN109704210A (en) * 2019-01-22 2019-05-03 中建四局第五建筑工程有限公司 A kind of high-altitude tower crane large arm fracture dip method for dismounting

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