CN108002250B - A kind of method for dismounting of roofing device for hoisting and crane and crane arm - Google Patents

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

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Publication number
CN108002250B
CN108002250B CN201711255681.6A CN201711255681A CN108002250B CN 108002250 B CN108002250 B CN 108002250B CN 201711255681 A CN201711255681 A CN 201711255681A CN 108002250 B CN108002250 B CN 108002250B
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CN
China
Prior art keywords
roofing
fixed
roof
crane
hoisting
Prior art date
Application number
CN201711255681.6A
Other languages
Chinese (zh)
Other versions
CN108002250A (en
Inventor
不公告发明人
Original Assignee
玉环普天单向器有限公司
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Publication date
Application filed by 玉环普天单向器有限公司 filed Critical 玉环普天单向器有限公司
Priority to CN201610864784.1A priority Critical patent/CN106276631B/en
Priority to CN201711255681.6A priority patent/CN108002250B/en
Publication of CN108002250A publication Critical patent/CN108002250A/en
Application granted granted Critical
Publication of CN108002250B publication Critical patent/CN108002250B/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

The present invention discloses the method for dismounting of a kind of roofing device for hoisting and crane and crane arm, in order to preferably fix roofing device for hoisting, roofing is hung the basic girder steel on pedestal and is fixed by penetrating the fastening bolt of the beam slab on roof by the present invention, and it is provided with parallel pressing plate and grips basic girder steel with beam slab, stability when carrying gravity is hung on to reduce roofing, it is allowed to move more stable, and utilize this roofing device for hoisting, one lower sheave is installed in the position that contact of the tower crane with roof intersects, hoist rope by that will be mounted on tower crane itself passes through the lower sheave and crane arm, crane arm to be kept balancing, and under the traction for the suspension hook that roofing is hung on, steadily, rapidly dismantle crane arm, this mode is especially suitable for the disassembly of overlength crane arm, and after crane arm disassembly, the roofing device for hoisting is recycled to put down tower crane Weighing apparatus arm, counterweight, tower cap, rotating assembly, jacking stock assembly and standard knot are successively dismantled, and disassembly process is simple, and are dismantled steady.

Description

A kind of method for dismounting of roofing device for hoisting and crane and crane arm
The present invention is that the number of patent application that applicant proposed on 09 30th, 2016 is " 201610864784.1 ", title It is complete for a kind of divisional application of the Chinese invention patent application of " method for dismounting of roofing device for hoisting and crane and crane arm " Portion's content is incorporated among the application.
Technical field
The present invention relates to tower crane technical field more particularly to a kind of disassembly sides of roofing device for hoisting and crane and crane arm Method.
Background technique
With the fast development of modernization construction, super high-rise building is more and more, and whole height is built up to 600 meters Object floor area is less than normal.The derrick crane (abbreviation tower crane) applied in construction of super highrise building is generally mostly inner climbing type.Inside climb The installation of formula derrick crane must depend between building or Core Walls Structure is fixed and increases.When derrick crane is completed to construct After task, it is necessary to dismantle climbing tower crane to ground, now utilize and pacify on building top level structure cylinder or beam body Dress roof-type crane (abbreviation roofing is hung) carries out disassembly derrick crane.When dismantling derrick crane, sometimes because of roofing field The limitation of ground condition, roof-type crane, which can not directly be hung, carries jib for tower crane central point, after central point rearward displacement, Jib for tower crane is detached from and causes front end center of gravity downward after the fixation of tower body, and crane arm rear end is lifted up upwards, roof-type Crane can not be normally carried out disassembly.
Summary of the invention
Shortcoming present in view of the above technology, present invention offer is easy to operate, and dismantles steady, quick lifting The method for dismounting of machine and crane arm and apply to roofing device for hoisting in this method for dismounting.
In order to achieve the above object, a kind of roofing device for hoisting of the present invention, comprising: roofing hangs pedestal, rotating mechanism, Circumflex branch Frame, boom, lifting mechanism, torque arm mechanism, diagonal brace and support rod, the roofing hang pedestal and are fixed on roof, the whirler Structure is fixed on roofing and hangs on pedestal, and one end of the convolution bracket is fixed on rotating mechanism, and the bottom end of the boom is fixed on Circle round bracket one end fixed with rotating mechanism, and close lifting mechanism, and the lifting mechanism and torque arm mechanism are each attached to back On circumflex branch frame, the support rod is fixedly connected with torque arm mechanism and perpendicular to the convolution bracket, the supporting bar top setting There is the first fixed pulley, described diagonal brace one end is fixed in the fixing seat at lifting mechanism, and other end dependence is fixed on support rod Top, and extending, and its extended segment is arranged the first fixed pulley, the first wirerope is around the of the first fixed pulley and boom top The connection of two fixed pulleys, and boom rise and fall are driven, the second wirerope, second wirerope are wound on the lifting mechanism Again around after the 5th fixed pulley on the 4th fixed pulley and boom for passing through boom medium position after third fixed pulley and for hanging The suspension hook connection of weight is played, the roofing hangs and be provided with basic girder steel on pedestal, and the basis girder steel is by penetrating the beam on roof The fastening bolt of plate is fixed.
Wherein, the beam slab lower end on the basic girder steel lower end and roof is respectively arranged with the first pressing plate and the second pressing plate, And two pressure plates are arranged in parallel and are fixed by fastening bolt and grip the beam slab of basic girder steel and roof.
Wherein, the rotating mechanism includes rotating body and support arm, and the rotating body includes shaft and fixed frame, institute It states rotating body to be fixed on fixed frame, one end of support arm and fixed frame are hinged, and the other end extends outwardly solid with convolution bracket Fixed connection, and fixed frame, support arm and the bracket that circles round integrally enclose one it is triangular shaped.
Wherein, the boom and circle round bracket connecting pin, diagonal brace, support rod and fixed frame and support arm with it is corresponding Connection between various components is fixed by articulated manner, and the elasticity of connection is adjusted by bolt.
Wherein, the 4th fixed pulley is fixed on boom, and the position being connect with rotating mechanism close to boom lower end with Increase torque.
Invention additionally discloses the method for dismounting of a kind of inner climbing type crane and crane arm, comprising:
Above-mentioned described roofing device for hoisting is installed, the roofing device for hoisting is mounted near tower crane, and boom is higher than The tower cap position of tower crane;
Tower crane contacts the position intersected with roof and is equipped with a lower sheave, and the lower sheave passes through fastening bolt and clamping plate It is fixed on the standard knot cross bar that tower crane is contacted with roof, one end of the hoist rope of tower crane itself is fixed on tower crane counter-jib On the 6th fixed pulley, the other end is connected to crane arm after successively bypassing the 7th fixed pulley being mounted on tower cap, lower sheave End;Suspension hook on roofing device for hoisting tangles crane arm by wirerope, passes through the first wirerope control on roofing device for hoisting The lifting of boom processed rotates Circumflex branch frame, so that crane arm steadily be dismantled and be placed on roof by rotating mechanism;It is logical It crosses suspension hook and tangles the wirerope for being bundled with counter-jib, smoothly counter-jib is dismantled and is 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 disassembly;One gin-pole truck is individually set again on roof, by roof Upper setting gin-pole truck dismantles roofing device for hoisting device;Being transported to ground using indoor elevator after gin-pole truck mutual disassembly.
Wherein, roofing hangs the basic girder steel of pedestal and is connect by fastening bolt with flooring, every two fastening bolt at one group, And first beam slab on roof is penetrated, fastening bolt group is by clamping the first pressing plate being located on basic girder steel and being located at the of roof Second pressing plate of one beam slab lower end grips the beam slab of basic girder steel and roof;First beam slab and the second beam slab on roof it Between be clamped with reinforcing steel column, the second pressing plate is withstood in described one end for reinforcing steel column, and the other end withstands feet steel plate, and by feet steel Plate is fixed on the second beam slab.
Wherein, tower crane is down to from roofing extreme lower position before Tower crane disassembly first with climbing system in tower crane itself, is being climbed Frame position is fixed by tower crane, and the revolution of mobile roof device for hoisting hangs counterweight using the boom of roofing device for hoisting, but need to stay one Block matches recast balanced action, when dismantling counterweight, it is desirable that vertically smoothly hangs out counterweight.
Wherein, it is in the mode of the separately installed gin-pole truck in roof, by four endpoints and 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 sides of cross girder steel Upper fixed gin-pole truck pedestal.
Wherein, the method for dismounting of roofing device for hoisting is lowered into roof in addition to the boom for hanging roofing, outside mutual disassembly, works as institute When the roofing used hangs larger, the roofing by installing a small size again near roofing is hung is hung, and is hung with small size roofing Boom remove large volume roofing device for hoisting.
The beneficial effects of the present invention are:
Compared with prior art, the present invention provides a kind of roofing device for hoisting, in order to preferably fix roofing device for hoisting, this Roofing is hung the basic girder steel on pedestal and is fixed by penetrating the fastening bolt of the beam slab on roof by invention, and is provided with parallel pressure Plate grips basic girder steel with beam slab, hangs on stability when carrying gravity to reduce roofing, be allowed to move it is more stable, And this roofing device for hoisting is utilized, one lower sheave is installed in the position that contact of the tower crane with roof intersects, by that will be mounted on The hoist rope of tower crane itself passes through the lower sheave and crane arm, and crane arm is kept balancing, and hung in roofing Under the traction of suspension hook, steadily, crane arm is rapidly dismantled, this mode is especially suitable for the disassembly of overlength crane arm, and crane arm After disassembly, recycle the roofing device for hoisting to the counter-jib of tower crane, counterweight, tower cap, rotating assembly, jacking stock assembly and standard Section is successively dismantled, and disassembly process is simple, and is dismantled steady.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of roofing device for hoisting of the present invention.
Fig. 2 is the scheme of installation that roofing of the present invention hangs pedestal and roof.
Fig. 3 is the structural schematic diagram that roofing of the present invention hangs disassembly 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 schematic diagram.
Fig. 6 is that roofing of the present invention hangs disassembly tower cap structure schematic diagram.
Fig. 7 is that gin-pole truck of the present invention disassembly roofing hangs structural schematic diagram.
Fig. 8 is the fixation schematic diagram of this law gin-pole truck and roof.
Specific embodiment
In order to more clearly state the present invention, the present invention is further described with reference to the accompanying drawing.
Please refer to Fig. 1-Fig. 2, a kind of roofing device for hoisting disclosed by the invention, comprising: roofing hangs pedestal 11, rotating mechanism 12, circle round bracket 13, and boom 14, lifting mechanism 15, torque arm mechanism 16, diagonal brace 17 and support rod 18, it is fixed that roofing hangs pedestal 11 On roof, rotating mechanism 12 is fixed on roofing and hangs on pedestal 11, and one end of convolution bracket 13 is fixed on rotating mechanism 12, hangs The bottom end of arm 14 is fixed on one end that convolution bracket 13 and rotating mechanism 12 are fixed, and close to lifting mechanism 15, lifting mechanism 15 It is each attached on convolution bracket 13 with torque arm mechanism 16, support rod 18 is fixedly connected with torque arm mechanism 16 and perpendicular to convolution bracket 13,18 top of support rod is provided with the first fixed pulley 21, and 17 one end of diagonal brace is fixed in the fixing seat at lifting mechanism 15, another End, which leans on, is fixed on the top of support rod 18, and extends, and its extended segment is arranged the second fixed pulley 22, the first wirerope 51 around It crosses the second fixed pulley 22 to connect with the third fixed pulley 23 on boom top, and drives 14 rise and fall of boom, lifting mechanism 15 On be wound with the second wirerope 52, the second wirerope 52 is again around passing through the 4th calmly sliding of boom medium position after the first fixed pulley 21 It is connect after the 5th fixed pulley 25 on wheel 24 and boom with the suspension hook 19 for slinging weight, roofing hangs and is provided with base on pedestal 11 Plinth girder steel 111, basic girder steel 111 is fixed by the fastening bolt 4 for penetrating first beam slab 31 on roof, every two fastening bolt 4 At one group, and first beam slab 31 on roof is penetrated, fastening bolt 4 is by clamping the first pressing plate 31 being located on basic girder steel 111 The first beam slab 31 of basic girder steel 111 and roof is clamped admittedly with the second pressing plate 1112 of 31 lower end of the first beam slab for being located at roof It is fixed;It is clamped between first beam slab 31 and the second beam slab 32 on roof and reinforces steel column 33, the one end for reinforcing steel column 33 withstands second Pressing plate 1112, the other end withstands feet steel plate 34, and feet steel plate 34 is fixed on the second beam slab 32, and such structure allows whole A roofing device for hoisting can be fixed preferably with roof, avoid shaking when roofing device for hoisting carries weight operation, To keep roofing device for hoisting more steady in use, safety is higher.
In the present embodiment, rotating mechanism 12 includes rotating body 121 and support arm 122, and rotating body 121 includes shaft 1211 and fixed frame 1212, rotating body 121 be fixed on fixed frame 1212, one end of support arm 122 and fixed frame 1212 are cut with scissors It connects, the other end extends outwardly to be fixedly connected with convolution bracket 13, and fixed frame 1212, support arm 122 and convolution bracket 13 are whole Enclose the shape of a triangle, with preferably support fix convolution bracket 13, and fixed frame 1212, support arm 122 with It is mutually connected between convolution bracket 13 as articulated manner, is fixedly connected with each connection component by bolt, it is same to rise The connection risen between mechanism 15, torque arm mechanism 16, diagonal brace 17, support rod 18 and boom 14 and convolution bracket 13 is also by hinged Mode is fixed, and the connecting pin of boom 14 and convolution bracket 13 should adjust the elasticity of link bolt, make when passing through articulated manner Boom 14 can be rotated by axis of link bolt, to ensure that entire boom 14 can move up and down.
In the present embodiment, the 4th fixed pulley 24 is fixed on boom 14, and close to 14 lower end of boom and rotating mechanism 12 The position of connection is to increase torque when the second wirerope 52 slings weight by suspension hook 19.
In the present embodiment, by above-mentioned roofing device for hoisting to the extraordinary crane arm and its entire tower crane of inner climbing crane tower Disassembly process it is as follows:
The roofing device for hoisting given an account of and continued is installed, roofing device for hoisting is mounted near tower crane 6, and boom 14 is higher than tower crane 6 61 position of tower cap;
Fig. 3-Fig. 6 is please referred to, tower crane 6 contacts the position intersected with roof and is equipped with a lower sheave 7, and lower sheave 7 passes through Fastening bolt 4 is fixed on the cross bar 651 for the standard knot 65 that tower crane 6 is contacted with roof with clamping plate 8, the raising steel of tower crane 6 itself One end of cord 66 is fixed on the 6th fixed pulley 26 on the counter-jib 63 of tower crane 6, and the other end, which successively bypasses, is mounted on tower cap 61 On the 7th fixed pulley 27, the end of crane arm 62 is connected to after lower sheave 7.
Suspension hook 19 on roofing device for hoisting 1 tangles crane arm 62 by wirerope, passes through the first steel on roofing device for hoisting 1 Cord 51 controls the lifting of boom 14, by rotating mechanism 12, rotates Circumflex branch frame 13, so that crane arm 63 steadily be dismantled simultaneously It is placed on roof;The wirerope for being bundled with counter-jib 63 is tangled by suspension hook 19, and smoothly counter-jib 63 is dismantled and placed On roof;It is tangled by suspension hook 19 and is bundled with counterweight 64, tower cap 61, rotating assembly 67, jacking stock assembly 68 and standard knot 65, Counterweight 64, tower cap 61, rotating assembly 67, jacking stock assembly 68 and standard knot 65 are dismantled respectively;Individually it is arranged again on roof One gin-pole truck dismantles roofing device for hoisting by the way that gin-pole truck is arranged on roof;After gin-pole truck mutual disassembly utilize indoor electric Ladder is transported to ground.
In the present embodiment, it is minimum from roofing first with climbing system in tower crane 6 itself for tower crane 6 and being down to before tower crane 6 is dismantled Position, in frame position of climbing that tower crane is fixed, mobile roof hangs 1 revolution, hangs 4 pieces using the boom 14 that roofing hangs 1 and matches Weight stays one piece with recast balanced action, and device for carrying a tripot bar is installed two " people " font barres and hung and (schemes not under 62 the second section of leading portion of lifting Show), it is toppled with what 5T chain block control barre was hung to achieve the effect that control 19 central point of suspension hook.Utilize 6 raising steel of tower crane Section 7 crane arm 62 is sling stress as traction power by cord 66, is then destroyed crane arm 62 and is connected pin shaft, slightly by 5T hand It draws cucurbit to unclamp distance element, so that Section 7 crane arm and Section 6 crane arm is had distance, then start main hoisting mechanism (not shown), Crane arm 62 is hung to ground, utilizes roofing device for hoisting 1 by the 50 of tower crane 6 after Section 5 crane arm is successively removed using the method 15 degree of angles are lifted by crane in rice 62 front end of crane arm, are bent front tension bar, and roofing device for hoisting is disposable by 40 meters of crane arms 62 with suspension hook 19 It is hung to roofing.
In the present embodiment, the step of removing counter-jib 63 are as follows:
A. remaining one piece of counterweight block is hung down with roofing device for hoisting 1;
B. by the installation lifting lug (not shown) on counter-jib 63, counter-jib 63 is sling with roofing device for hoisting 1, allows balance 63 pull rod of arm is in unstressed state, dismantles the connecting pin among 63 pull rod of counter-jib;
C. counter-jib 63 is sling, is put into ground and is lined on the support of sleeper.
In the present embodiment, the step of dismantling counter-jib 63 are as follows:
A. rope is fixed on above the lifting lug at tower crown end, slowly tenses rope;
B. disassembly and connecting pin;
C. tower cap is sling, ground is put it to and is lined on the support of sleeper.
Whether with adjacent component between have cable be connected, safety member is housed on tower cap if checking, protection is paid attention in hoisting process, It is to pay attention to be pressed onto paying attention to allow tower cap amplitude of fluctuation in the process of moving in safety member hoisting process being put into ground It is excessive, in order to avoid collide with other components.
In the present embodiment, the mode of rotating assembly is dismantled are as follows: rotating assembly includes upper bracket, undersetting, pivoting support And drivers' cab;
A. 8 M30 × 360-10.9 grade high-strength Bolt dismantlings undersetting being connected with standard knot get off;
B. rope is fixed on above upper bracket, slowly tenses rope, dismantle lower 4 companies between undersetting and climbing support Outbound axis;
C. rotating assembly 67 is sling, is placed into ground and is lined on the support of sleeper.
Therefore, disassembly rotating assembly 67 is it is noted that 6 component of tower crane is destroyed, equipped with perhaps on rotating assembly 67 in the present embodiment More electric components, it should be noted that protection, it is noted that protecting the easily damaged part such as drivers' cab in disassembly process.
Therefore, disassembly jacks the mode of stock assembly in the present embodiment are as follows:
Rope is fixed on four chord members on jacking stock top, with roofing device for hoisting 1 by it from the standard knot of tower crane On hang out, be placed into ground and be lined on the support of sleeper, jack stock hang out tower body completely when, be unable to oblique pull jacking stock.
Dismantle the mode of remaining standard knot are as follows: wirerope will be fixed on standard knot, remove remaining standard knot with suspension hook 19, Dismantle the components such as base section and lower sheave 7.
Fig. 7-Fig. 8 is finally the disassembly to roofing device for hoisting 1, and the method for dismounting of roofing device for hoisting 1 is in addition to lifting roofing The boom 14 set is lowered into roof, outside mutual disassembly, when used roofing device for hoisting 1 is larger, by roofing device for hoisting Near the roofing device for hoisting an of small size is installed again, lifted with the roofing that the boom that small size roofing is hung removes 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, is taken off Bar hangs 90 and is typically mounted near roofing device for hoisting 1, and specific mounting means is as described in Figure, by four of cross girder steel 91 Endpoint and crossover sites are fixed by the pre-embedded bolt 92 on roof, and 92 lower end of each pre-embedded bolt is both provided with bearing plate 93, fix gin-pole truck pedestal 90 on four sides of cross girder steel 91, by fixed pulley connecting steel wire ropes on gin-pole truck and Amplitude variation trolley dismantles roofing device for hoisting 1, after dismantling ten thousand roofing device for hoisting 1,90 mutual disassembly of gin-pole truck, utilizes indoor elevator It is transported to ground.
Present invention has an advantage that
1) roofing is hung the basic girder steel on pedestal and is fixed by penetrating the fastening bolt of the beam slab on roof by the present invention, and is set It is equipped with parallel pressing plate and grips basic girder steel with beam slab, hang on stability when carrying gravity to reduce roofing, make Movement it is more stable;
2) and this roofing device for hoisting is utilized, one lower sheave is installed in the position that contact of the tower crane with roof intersects, is led to It crosses and the hoist rope for being mounted on tower crane itself is passed through into the lower sheave and crane arm, crane arm is kept balancing, and Under the traction for the suspension hook that roofing is hung on, steadily, crane arm is rapidly dismantled, this mode is especially suitable for tearing open for overlength crane arm It unloads;
3) after crane arm disassembly, recycle the roofing device for hoisting to the counter-jib of tower crane, counterweight, tower cap, rotating assembly, top It rises stock assembly and standard knot is successively dismantled, disassembly process is simple, and dismantles steady.
Disclosed above is only several specific embodiments of the invention, but the present invention is not limited to this, any ability What the technical staff in domain can think variation should all fall into protection scope of the present invention.

Claims (2)

1. a kind of roofing device for hoisting, it is characterised in that: hang pedestal, rotating mechanism, convolution bracket, boom, lifting machine including roofing Structure, torque arm mechanism, diagonal brace and support rod, the roofing hang pedestal and are fixed on roof, and the rotating mechanism is fixed on roofing and hangs On pedestal, one end of the convolution bracket is fixed on rotating mechanism, and the bottom end of the boom is fixed on convolution bracket and rotation The fixed one end of mechanism, and be each attached on convolution bracket close to lifting mechanism, the lifting mechanism and torque arm mechanism, the branch Strut is fixedly connected with torque arm mechanism and perpendicular to the convolution bracket, and the supporting bar top is provided with the first fixed pulley, institute It states in the fixing seat that diagonal brace one end is fixed at lifting mechanism, the other end leans on the top for being fixed on support rod, and extends, and The second fixed pulley is arranged in its extended segment, and the first wirerope connect around the second fixed pulley with the third fixed pulley on boom top, and Boom rise and fall are driven, the second wirerope are wound on the lifting mechanism, it is fixed sliding that second wirerope bypasses first again By connecting after the 5th fixed pulley on the 4th fixed pulley and boom of boom medium position with the suspension hook for slinging weight after wheel It connects, the roofing hangs and is provided with basic girder steel on pedestal, and the basis girder steel is by penetrating the fastening spiral shell of first beam slab on roof Bolt is fixed;The first beam slab lower end on the basis girder steel lower end and roof is respectively arranged with the first pressing plate and the second pressing plate, and Two pressure plates, which are arranged in parallel, to be fixed by fastening bolt and grips first beam slab on basic girder steel and roof;The rotation Mechanism includes rotating body and support arm, and the rotating body includes shaft and fixed frame, and the rotating body is fixed on fixation On frame, one end of support arm and fixed frame are hinged, and the other end extends outwardly to be fixedly connected with convolution bracket, and fixed frame, support Arm with convolution bracket integrally enclose one it is triangular shaped;The boom and the convolution connecting pin of bracket, diagonal brace, support rod with And the connection between fixed frame and support arm and corresponding various components is fixed by articulated manner, is adjusted and is connected by bolt The elasticity connect;4th fixed pulley is fixed on boom, and the position that close boom lower end is connect with rotating mechanism is to increase High-torque.
2. a kind of method for dismounting of inner climbing type crane and crane arm, it is characterised in that: described in claim 1 including being equipped with Roofing device for hoisting, the roofing device for hoisting are mounted near tower crane, and boom is higher than the tower cap position of tower crane;Tower crane connects with roof The position that touching intersects is equipped with a lower sheave, and the lower sheave is contacted in tower crane with roof by fastening bolt with Boards wall Standard knot cross bar on, one end of the hoist rope of tower crane itself is fixed on the 6th fixed pulley on tower crane counter-jib, another Hold the end that crane arm is connected to after successively bypassing the 7th fixed pulley being mounted on tower cap, lower sheave;On roofing device for hoisting Suspension hook crane arm is tangled by wirerope, the lifting of boom is controlled by the first wirerope on roofing device for hoisting, passes through rotation Rotation mechanism rotates Circumflex branch frame, so that crane arm steadily be dismantled and be placed on roof;It is tangled by suspension hook and is bundled with balance The wirerope of arm, counter-jib is smoothly dismantled and be placed on roof;It is tangled by suspension hook and is bundled with counterweight, tower cap, revolution always At, jacking stock assembly and standard knot, counterweight, tower cap, rotating assembly, jacking stock assembly and standard knot are dismantled respectively;In A gin-pole truck is individually arranged in roof again, dismantles roofing device for hoisting by the way that gin-pole truck is arranged on roof;Gin-pole truck is manually torn open Ground is transported to using indoor elevator after unloading;The basic girder steel that roofing hangs pedestal is connect by fastening bolt with flooring, and every two is tight Fixing bolt penetrates first beam slab on roof at one group, and fastening bolt group is by clamping the first pressing plate being located on basic girder steel First beam slab on basic girder steel and roof is gripped with the second pressing plate of the first beam slab lower end for being located at roof;The of roof Reinforcing steel column is clamped between one beam slab and the second beam slab, the second pressing plate is withstood in described one end for reinforcing steel column, and the other end is withstood Feet steel plate, and by feet Interal fixation on the second beam slab;System is climbed by tower crane first with tower crane itself is interior before Tower crane disassembly It is down to from roofing extreme lower position, in frame position of climbing that tower crane is fixed, the revolution of mobile roof device for hoisting is lifted using roofing The boom set hangs counterweight, but need to stay one piece with recast balanced action, when dismantling counterweight, it is desirable that vertically smoothly hang out counterweight; On roof, the mode of a separately installed gin-pole truck is, four endpoints and crossover sites of cross girder steel are passed through on roof Pre-embedded bolt is fixed, and each pre-embedded bolt lower end is both provided with bearing plate, fixes gin-pole truck bottom on four sides of cross girder steel Seat;The method for dismounting of roofing device for hoisting is lowered into roof in addition to the boom for hanging roofing, outside mutual disassembly, when used roofing When hanging larger, the roofing by installing a small size again near roofing is hung is hung, and is removed with the boom that small size roofing is hung The roofing device for hoisting of large volume.
CN201711255681.6A 2016-09-30 2016-09-30 A kind of method for dismounting of roofing device for hoisting and crane and crane arm CN108002250B (en)

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CN201610864784.1A CN106276631B (en) 2016-09-30 2016-09-30 A kind of roofing device for hoisting and the method for dismounting of crane and crane arm
CN201711255681.6A CN108002250B (en) 2016-09-30 2016-09-30 A kind of method for dismounting of roofing device for hoisting and crane and crane arm

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CN107055347B (en) * 2017-05-22 2018-03-27 庄爱军 A kind of Tower crane disassembly structures and methods of high-rise installation
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
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
CN109704210B (en) * 2019-01-22 2020-11-17 中建四局第五建筑工程有限公司 Method for obliquely dismounting broken large arm of high-altitude tower crane

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CN103243932A (en) * 2012-02-03 2013-08-14 上海庞源机械租赁股份有限公司 Structure for detaching inner climbing tower crane through roof crane and construction method thereof
CN205328487U (en) * 2015-12-07 2016-06-22 中国建筑第八工程局有限公司 Dismantlement system of superelevation extra -large -size tower crane
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