CN107140534A - Double-crane lifting construction method for large-grade-difference tower crane - Google Patents

Double-crane lifting construction method for large-grade-difference tower crane Download PDF

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Publication number
CN107140534A
CN107140534A CN201710303577.3A CN201710303577A CN107140534A CN 107140534 A CN107140534 A CN 107140534A CN 201710303577 A CN201710303577 A CN 201710303577A CN 107140534 A CN107140534 A CN 107140534A
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CN
China
Prior art keywords
lifting
crane
construction
component
double
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Pending
Application number
CN201710303577.3A
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Chinese (zh)
Inventor
徐健
朱蓉蓉
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China Construction First Group Corp Ltd
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China Construction First Group Corp Ltd
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Priority to CN201710303577.3A priority Critical patent/CN107140534A/en
Publication of CN107140534A publication Critical patent/CN107140534A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/04Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/08Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/16Applications of indicating, registering, or weighing devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C15/00Safety gear
    • B66C15/04Safety gear for preventing collisions, e.g. between cranes or trolleys operating on the same track

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

The invention provides a double-crane lifting construction method of a large-grade-difference tower crane, which comprises a construction preparation stage and a component in-place construction stage, wherein the construction preparation stage comprises the steps of load calculation, suspension point position determination, design and manufacture of a lifting carrying pole, selection of lifting ropes and clamping rings and the like; the in-place construction stage comprises the steps of arranging lifting lugs, hanging the components on the hoisting carrying poles through the lifting lugs, preparing before hoisting, hoisting by two machines, and the like. The invention uses the tower crane with large range difference to lift and hang, can effectively avoid the lifting blind area when two tower cranes with the same model carry out double-crane lifting and the adverse factors of crane type selection and arrangement, avoid increasing the steel structure member section, and reduce the steel structure deepening design difficulty; the construction method has the advantages that the field construction machinery is utilized to the maximum extent, the investment and the use of temporary installation mechanical equipment are reduced, the construction period is effectively shortened, the construction cost is saved, and the substantial characteristics and the remarkable progress are realized.

Description

A kind of big differential derrick crane double-machine lifting crane construction method
Technical field
The present invention relates to technical field of building construction, and in particular to a kind of big differential derrick crane double-machine lifting crane construction party Method.
Background technology
At present in technical field of building construction, for the installation of super-heavy component, appoint when a crane can not complete lifting During business, generally lifted using two model derrick cranes of the same race, this arrangement and method for construction can not during practice of construction Evade derrick crane lifting blind area, and can also be limited by crane type.Using lifting for big differential derrick crane Construction, can greatly utilize live existing construction machinery, effectively shorten the construction period, save construction cost, realize The elementary object of green construction and increase construction benefit, also provides beneficial reference for similar engineering construction.
The content of the invention
The present invention proposes a kind of big differential derrick crane for installation at present in construction for super-heavy component Double-machine lifting crane construction method, to solve the lifting blind area that can not evade when two model derrick cranes of the same race carry out double-machine lifting crane Etc. technical problem.
The technical proposal of the invention is realized in this way:A kind of big differential derrick crane double-machine lifting crane construction method, bag Construction in Preparatory Stage and component construction stage in place are included, wherein, Construction in Preparatory Stage comprises the following steps:
S01)LOAD FOR:According to construction weight and the maximum hoisting weight and brachium of two derrick cranes, two towers are determined Formula craning weight of same is distributed and component suspension centre region, draws lifting route;
S02)Determine hoisting point position:According to component suspension centre region and Components Shape, suspension centre is arranged symmetrically, and ensure component during lifting Center is in suspension centre position of centre of gravity;
S03)Select hoisting rope tool and snap ring:According to construction weight and hoisting point position, select quick detachable and meet force request Hoisting rope and snap ring;
The component construction stage in place comprises the following steps:
T01)Hanger is set:In hoisting point position, component hanger is set;
T02)Lift preceding preparation:Component is hung and stops lifting after 200 ~ 300mm of ground, stability, the braking of crane is checked Fastness of the reliability of device, the balance of component and colligation etc.;
T03)Double-machine lifting crane:Two derrick cranes should act in agreement, cooperation, and component is slowly lifted to regard to site;
In Construction in Preparatory Stage S02)And S03)Between step, in addition to step S02a)Design and making lifting shoulder pole:According to rise Hoisting point position and force analysis, design and make suitable lifting shoulder pole;
In component construction stage T01 in place)And T02)Between step, in addition to step T01a)Component is hanged by component hanger Hang on lifting shoulder pole.
The lifting shoulder pole is H profile steel beam.
The two ends of the H profile steel beam are arranged with shoulder pole hanger.
Multiple lift heavy adjustment holes are provided with the web of the H profile steel beam, in the both sides of the web provided with lifting clamping plate, The lower end of the lifting clamping plate is fixed on the lift heavy adjustment hole by connecting pivot pin, and the upper end of the lifting clamping plate is by hanging Dress pivot pin is fixed.Be distributed according to the suspension centre of component and two derrick cranes hoisting weight distribution, lifting clamping plate can with not Same lift heavy adjustment hole connection, so as to reach rational load distribution.
The lifting pivot pin hoisting component that two derrick cranes pass through the lifting clamping plate upper end.
When distributing load, in order to ensure construction safety, each derrick crane distributes lift heavy can not be specified more than its The 80% of lifting capacity.
In component construction stage T01a in place)And T02)Between step, in addition to step T01b)Examination is hung:In double-machine lifting crane Rehearsal is hung in preceding progress examination, and the specific operation route for determining component is hung according to examination.The emphasis that rehearsal is hung in examination is to coordinate two tower The running speed of heavy-duty machine and the lifting speed of component, it is ensured that coordination is unified.
In step T03)In also include, need to be using prior when lifting components are to regard to location proximate or close to other objects The cable rope being arranged on component carries out traction guiding, it is to avoid crash, and reduces potential safety hazard.
The advantage of the invention is that:Lifted using big extreme difference derrick crane, can effectively evade two models of the same race tower Crane carries out the unfavorable factor for lifting blind area and crane type selecting and arrangement during double-machine lifting crane, it is to avoid increase steel structure member Merogenesis, reduces steel construction Deepen Design difficulty;To the utmost using site operation machinery, interim installation plant equipment is reduced Put into and use, effectively shorten the construction period, saved construction cost, with prominent substantive distinguishing features and marked improvement.
Brief description of the drawings
In order to illustrate the embodiments of the present invention more clearly, the accompanying drawing used required in being described below to embodiment makees letter Singly introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for the common skill in this area For art personnel, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of big differential derrick crane double-machine lifting crane construction schematic diagram of the present invention;
Fig. 2 is I partial enlarged drawing;
Fig. 3 is lifting shoulder pole structural representation;
Fig. 4 is A-A sectional views;
Fig. 5 is B-B sectional views;
Fig. 6 is that steel column suspension centre sets schematic diagram;
Marked in figure:1st, whipping crane;2nd, flat boom crane;3rd, steel column;4th, shoulder pole is lifted;5th, component hanger;6th, shoulder pole Hanger;7th, lift heavy adjustment hole;8th, clamping plate is lifted by crane;9th, pivot pin is connected;10th, pivot pin is lifted;11st, flat boom crane suspension centre;12nd, swing arm Crane suspension centre.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
In this engineering, two derrick cranes are respectively a whipping crane 1(Model:L500)And a flat arm lifting Machine 2(Model:TC6010), it is necessary to which the component of lifting is steel column 3.Because the bracket quantity of steel column 3 and stiffener quantity are different, Steel column 3 is caused to vary in weight, the maximum single amount of steel column 3 is 12.6t, and steel column 3 is with regard to site maximum distance whipping crane 1 52.4m, every layer has four steel columns 3 to carry out double-machine lifting crane.
Before formal construction, Construction in Preparatory Stage is initially entered, Construction in Preparatory Stage comprises the following steps:
LOAD FOR:Only for part is most reconstructed, according to the arrangement and the radius of clean-up of derrick crane, the lifting to steel column 3 Position and change hook position and arranged accordingly, and to drafting and the meter in place for having carried out route map of every steel column 3 Calculate.To ensure the distribution of derrick crane lift heavy in controlled range, flat boom crane 2 is wireless using rear-mounted in hoisting process The tower crane multifunctional monitoring instrument being equipped with electronic scale, whipping crane 1 is controlled to lifting capacity.
Determine that suspension centre is set:Suspension centre keeps symmetrical, it is ensured that during lifting member center in suspension centre position of centre of gravity to ensure to lift When steel column 3 it is smoothly in place.During big differential tower crane double-machine lifting crane, three Hes of whipping crane suspension centre 12 are set on steel column 3 Three flat boom crane suspension centres 11.
Design and making lifting shoulder pole:Because the diameter of steel column 3 lifted only has 1400mm, itself do not possess while hanging two The condition of platform tower crane, in order to ensure the security of hoisting process, lifting steel column 3 need to be changed using lifting shoulder pole 4, i.e., from one Bar rigidity meets the H profile steel beam for lifting requirement as shoulder pole, and lift heavy is allocated by lifting shoulder pole 4, to ensure lifting Security.The two ends of lifting shoulder pole 4 are arranged with shoulder pole hanger 6, and steel column 3 is suspended on the lower section of shoulder pole hanger 6.Lift shoulder pole 4 web is provided with multiple lift heavy adjustment holes 7, and in the both sides of web provided with lifting clamping plate 8, the lower end for lifting by crane clamping plate 8 passes through even Spindle pin 9 is fixed on lift heavy adjustment hole 7, and the upper end of lifting clamping plate 8 is fixed by lifting pivot pin 10.Two derrick cranes lead to Cross the hoisting component of lifting pivot pin 10 of lifting clamping plate 8 upper end.With two derrick cranes is distributed according to the suspension centre of steel column 3 Lift heavy amount is distributed, and lifting clamping plate 8 can be connected from different lift heavy adjustment holes 7, so as to reach rational load distribution.
Select hoisting rope tool and snap ring:Arranged according to the weight and component hanger 5 of most heavy steel column 3, through adjusting, steel column During 3 lifting, using shared four 4m steel wire ropes, snap ring uses 6.5t bow shackles.
After the completion of above preparation, into the component construction stage in place, the component construction stage comprises the following steps:
Hanger is set:In hoisting point position welded unit hanger 5.
Steel column 3 is suspended on shoulder pole hanger 6 by component hanger 5.
Examination is hung:Examination is carried out before formal lift and hangs rehearsal, first checks for derrick crane rope tool and whether brake apparatus pacifies It is complete reliable, the specific operation route for determining steel column 3 is then hung according to examination.
Lift preceding preparation:Before lifting, steel column 3 should be disposed across on chock;When lifting, steel column 3 must not be made on ground On have dilatory phenomenon;, it is necessary to certain height during revolution;Hook up, rotate, mobile three actions are alternately slowly carried out, when in place Slow whereabouts, prevents from spoiling bolt silk mouth.When starting to lift, stop after steel column 3 first should being hung into 200 ~ 300mm of ground Hang, and check the stability of crane, the reliability of brake apparatus, the balance of component and fastness of colligation etc., it is to be confirmed After errorless, lifting can be continued, the component sling must not be stagnated in the air for a long time.
Double-machine lifting crane:With the commander of signalman, steel column 3 is slowly hung to double-machine lifting crane starting point by whipping crane 1, this When the position of steel column 3, the central point with regard to site and whipping crane 1 should be on straight line.Whipping crane 1 is slowly Lower hook, steel column 3 is transferred to flooring about 300mm positions, while full place mat puts the high left and right flitches of 300mm below steel column 3. Flat boom crane 2 with hook under signalman to shoulder pole hanger 6 at.Under the commander of signalman, flat boom crane 2 is slowly hooked up, together Shi Tasi should pay close attention to instrument board reading on whipping crane 1(Lift heavy is distributed no more than pre-determined tower crane).This was operated Cheng Wei:Flat boom crane 2 is slowly hooked up(Hook up speed preferably≤3m/min), flat arm lifting is determined using wireless telecontrol electronic scale The lift heavy of machine 2, to ensure the flat lift heavy of boom crane 2 no more than the lift heavy that this position is distributed, while hanging jack on whipping crane 1 Two suspension centres in, the jack of the nearly flat suspension centre of boom crane 2, which is performed, receives jack action, and the jack of the remote flat suspension centre of boom crane 2 is held Capable chain action of falling, treats that two derrick cranes distribution lift heavys reach pre-determined distribution lift heavy, and the shaft of steel column 3 is protected Hold it is vertical after, whipping crane 1 is slowly lain prone along pre-determined route bar and to be hooked up, the flat correspondence of boom crane 2 rhythm of whipping crane 1 Slow rotation, reclaim dolly, two derrick cranes should act in agreement, matching coordinative, keep steel column 3 along pre-determined route just Position, while keeping itself lift heavy to be no more than is determined in advance apportioning cost.To ensure that itself lift heavy is no more than itself lift heavy apportioning cost, Wireless telecontrol electronic scale is used on flat boom crane 2, the flat lift heavy of boom crane 2 is remained at the reliable of specified lift heavy 80% Under monitoring.After double-machine lifting crane to after with regard to above site, two derrick cranes stop all actions simultaneously, treat the post of steel column 3 After body keeps vertical steady, with the commander of signalman, two derrick cranes act in agreement lower hook, and steel column 3 is slow in place. Anticollision measure is taken in the hoisting process of steel column 3, i.e., is adopted in the lifting of steel column 3 close in place or during close to other objects Traction guiding is carried out with the cable wind rope being arranged in advance on steel member, it is to avoid accident occurs for collision.After steel column 3 is lifted in place, It should be connected firmly in time with lower segmented column shaft, it is ensured that after safety, workmen can carry out tower upwards along shaft steel cat ladder Heavy-duty machine suspension hook uncoupling.During uncoupling, uncoupling operating personnel must hang up properly catching device, while hanging up properly safety belt.Steel column 3 is lifted To on-station position, install after interim connecting bolt, by regulation measures such as jack, jack, under the observation of total powerstation, complete The preliminary corrections of steel column 3.So far, the double-machine lifting crane construction of whole steel column 3 is finished.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.

Claims (8)

1. a kind of big differential derrick crane double-machine lifting crane construction method, including Construction in Preparatory Stage and component are constructed rank in place Section, wherein, Construction in Preparatory Stage comprises the following steps:
S01)LOAD FOR:According to construction weight and the maximum hoisting weight and brachium of two derrick cranes, two towers are determined Formula craning weight of same is distributed and component suspension centre region, draws operation route;
S02)Determine hoisting point position:According to component suspension centre region and Components Shape, suspension centre is arranged symmetrically, and ensure component during lifting Center is in suspension centre position of centre of gravity;
S03)Select hoisting rope tool and snap ring:According to construction weight and hoisting point position, select quick detachable and meet force request Hoisting rope and snap ring;The component construction stage in place comprises the following steps:
T01)Hanger is set:In hoisting point position, component hanger is set;
T02)Lift preceding preparation:Component is hung and stops lifting after 200 ~ 300mm of ground, stability, the braking of crane is checked Fastness of the reliability of device, the balance of component and colligation etc.;
T03)Double-machine lifting crane:Two derrick cranes should act in agreement, cooperation, and component is slowly lifted to regard to site;Its It is characterised by:In Construction in Preparatory Stage S02)And S03)Between step, in addition to step S02a)Design and making lifting shoulder pole: According to Heave Here position and force analysis, design and make suitable lifting shoulder pole;
In component construction stage T01 in place)And T02)Between step, in addition to step T01a)Component is hanged by component hanger Hang on lifting shoulder pole.
2. a kind of big differential derrick crane double-machine lifting crane construction method according to claim 1, it is characterised in that:It is described Lifting shoulder pole is H profile steel beam.
3. a kind of big differential derrick crane double-machine lifting crane construction method according to claim 2, it is characterised in that:It is described The two ends of H profile steel beam are arranged with shoulder pole hanger.
4. a kind of big differential derrick crane double-machine lifting crane construction method according to claim 3, it is characterised in that:Institute The web for stating H profile steel beam is provided with multiple lift heavy adjustment holes, in the both sides of the web provided with lifting clamping plate, the lifting clamping plate Lower end be fixed on by connecting pivot pin on the lift heavy adjustment hole, it is described lifting clamping plate upper end fixed by lifting pivot pin.
5. a kind of big differential derrick crane double-machine lifting crane construction method according to claim 4, it is characterised in that:Two The lifting pivot pin hoisting component that derrick crane passes through the lifting clamping plate upper end.
6. a kind of big differential derrick crane double-machine lifting crane construction party according to any claim in claim 1 ~ 5 Method, it is characterised in that:Each derrick crane, which distributes lift heavy, can not be more than the 80% of its rated load weight.
7. a kind of big differential derrick crane double-machine lifting crane construction method according to claim 6, it is characterised in that:In structure Part construction stage T01a in place)And T02)Between step, in addition to step T01b)Examination is hung:Progress examination, which is hung, before double-machine lifting crane drills Practice, the specific operation route for determining component is hung according to examination.
8. a kind of big differential derrick crane double-machine lifting crane construction method according to claim 7, it is characterised in that:In step Rapid T03)In also include, need to be using being arranged in advance on component when lifting components are to regard to location proximate or close to other objects Cable rope carry out traction guiding.
CN201710303577.3A 2017-05-03 2017-05-03 Double-crane lifting construction method for large-grade-difference tower crane Pending CN107140534A (en)

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CN201710303577.3A CN107140534A (en) 2017-05-03 2017-05-03 Double-crane lifting construction method for large-grade-difference tower crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710303577.3A CN107140534A (en) 2017-05-03 2017-05-03 Double-crane lifting construction method for large-grade-difference tower crane

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108408594A (en) * 2018-05-15 2018-08-17 福建省工业设备安装有限公司 A kind of two-shipper lifting load smart allocation formula balance system and control method
CN112758803A (en) * 2021-01-18 2021-05-07 张鸿杰 Overhead hook replacement technology for hoisting prefabricated box girder
CN113919794A (en) * 2021-08-23 2022-01-11 北京市机械施工集团有限公司 Method for rapidly analyzing lifting capacity of components in batches

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CN104878928A (en) * 2015-04-29 2015-09-02 中国十七冶集团有限公司 Method for integrally hoisting steel structure galleries across factory buildings in place by aid of multiple machines

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108408594A (en) * 2018-05-15 2018-08-17 福建省工业设备安装有限公司 A kind of two-shipper lifting load smart allocation formula balance system and control method
CN108408594B (en) * 2018-05-15 2024-05-28 福建省工业设备安装有限公司 Control method of intelligent distribution type balance system for double-machine hoisting load
CN112758803A (en) * 2021-01-18 2021-05-07 张鸿杰 Overhead hook replacement technology for hoisting prefabricated box girder
CN112758803B (en) * 2021-01-18 2023-12-22 张鸿杰 Method for hanging prefabricated box girder and changing hooks in air
CN113919794A (en) * 2021-08-23 2022-01-11 北京市机械施工集团有限公司 Method for rapidly analyzing lifting capacity of components in batches

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