CN101451383A - Sliding construction method of large span steel structure roof - Google Patents
Sliding construction method of large span steel structure roof Download PDFInfo
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- CN101451383A CN101451383A CNA2008102077568A CN200810207756A CN101451383A CN 101451383 A CN101451383 A CN 101451383A CN A2008102077568 A CNA2008102077568 A CN A2008102077568A CN 200810207756 A CN200810207756 A CN 200810207756A CN 101451383 A CN101451383 A CN 101451383A
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- slipping
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Abstract
The invention provides a slipping construction method for a large-span steel structure roof cover, wherein a multilayered slipping assembly jig is provided on the construction site; various layers of sliding assemble jigs perform horizontal slippage on rails with different heights respectively; and each rail is respectively provided with at least one traction device and a synchronous control device. The slipping construction method comprises the following construction steps: adjusting the height of the slipping assembly jigs according to the design height requirement; hanging an assembled steel structure arch on the slipping assembly jib, forming a slipping unit through pairing and welding and fixing the slipping unit on the slipping assembly jib; making the slipping assembly jig and the slipping unit synchronously slipped to a designed assembly position with equal height through traction of the traction device and synchronous control of the synchronous control device; and fixedly assembling the slipping unit which is slipped in place. The slipping construction method realizes slipping assembly of the large-span steel structure roof cover by the technical proposal, and makes the arch have uniform stress during slippage and assembly and be difficult to deform.
Description
Technical field
The present invention relates to a kind of gliding construction method, relate in particular to a kind of gliding construction method of large span steel structure roof.
Background technology
In recent years, steel building is more and more, and more and more develops towards large span, superelevation layer, labyrinth direction.In long span building steel roof structure, more and more develop in the design towards new and original direction, therefore bring the installation difficulty of steel structural roof to increase.The job practices of existing steel structural roof mainly contains: adopt stride in integral hoisting or stride outer lifting after the assembly unit, but there is following shortcoming in above-mentioned job practices: 1, in concrete work progress, the place is limited, can not realize the integral assembling to steel structural roof, lifts then; 2, the bearing capacity of lower rebar concrete structure can not satisfy the load requirement of large-scale crane, simultaneously because construction weight does not possess the mounting condition of traditional high altitude bulk greatly yet.In view of the difficulty that runs in the above existing large span steel structure roof installation, be necessary to propose a kind of simple large span steel structure roof job practices.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of slippage of large span steel structure roof to execute
Construction method is divided into a plurality of sliding elements with steel structural roof, utilizes multilayer slippage moulding bed slippage and by draw-gear and sync control device, with sliding element synchronously, etc. the absolute altitude slippage to the position of design.
For solving the problems of the technologies described above, the gliding construction method of large span steel structure roof of the present invention is included in the job site a kind of slippage moulding bed is provided, and this slippage moulding bed is made horizontal sliding in orbit, each track provides at least one cover draw-gear respectively, and a cover sync control device; Its construction sequence comprises:
-height of slippage moulding bed is adjusted in requirement according to design height;
-the steel work bow member after the assembly unit is lifted to the slippage moulding bed group, welding is linked to be a sliding element and is fixed on the described slippage moulding bed;
-with the slippage moulding bed together with this sliding element, by the traction of draw-gear, the Synchronization Control of sync control device makes the synchronous contour slippage of sliding element to the design and installation position;
-return the slippage moulding bed;
Repeat above step, until the installation site that each sliding element is slid onto design.
The further improvement of gliding construction method of the present invention is: described sliding element is two Pin or single Pin.
The further improvement of gliding construction method of the present invention is: also comprise step, during to the absolute altitude position of design, utilizing the hourglass adjuster to regulate the absolute altitude of sliding element the sliding element slippage.
The further improvement of gliding construction method of the present invention is: described slippage moulding bed is the double glide moulding bed, and front and back are arranged on the track respectively, and form stable space structures.
Slippage slippage moulding bed and on bow member, utilize sync control device, make the slippage moulding bed under the traction of draw-gear synchronization-sliding to the design the position.
The further improvement of gliding construction method of the present invention is: track is two-layer, and the track of lower floor is distributed in the both sides of upper strata track respectively;
Utilize described sync control device, make the displacement of the draw-gear on draw-gear and the upper strata track on the both sides lower floor track keep identical substantially.
The further improvement of gliding construction method of the present invention is also to comprise step: on each track limit rule is set, and a threshold value is set on rule;
Utilize supervising device to monitor draw-gear on each sliding rail, asynchronous during when it near the threshold range that sets, stop slippage, adjust synchronously then.
By the above technical scheme, it is a sliding element that gliding construction method of the present invention is selected two main arch for use, by multilayer slippage moulding bed sliding element is carried out slippage, makes bow member stressed even in the slippage installation process, is difficult for producing distortion; In addition, bow member is regulated absolute altitude with the hourglass adjuster on the moulding bed operating platform, and measure in place is easily implemented, and it is accurately convenient to install, and precision can be guaranteed; And this gliding construction method carries out assembly unit with member at first on the ground, and therefore, installation on ground and slippage form continuous productive process, and construction layout, cycle arrange rationally.
Description of drawings
Fig. 1 is the steel structural roof schematic diagram in a preferred embodiment of the present invention gliding construction method;
Fig. 2 divides schematic diagram for sliding element;
Fig. 3 is the gliding construction method flow chart of a preferred embodiment of the present invention;
Fig. 4 is that the master that track, moulding bed are arranged looks schematic diagram;
Fig. 5 a lifts to the schematic diagram of slippage moulding bed for the segmentation arch with main arch 11;
Fig. 5 b lifts to the schematic diagram of slippage moulding bed for another segmentation arch with main arch 11
Fig. 5 c is for to lift main arch 11B to the schematic diagram of slippage moulding bed;
Fig. 5 d is for lifting purlin in the schematic diagram of forming first sliding element to slippage moulding bed and main arch 11 and 11B;
Fig. 5 e is with the schematic diagram of the first sliding element slippage to design attitude;
Fig. 5 f is for turning back to the slippage moulding bed in the schematic diagram of start position;
Fig. 5 g is with the schematic diagram of each sliding element slippage to the position of design; And
Fig. 6 a～6b is the synchronisation control means schematic diagram of a preferred embodiment of the present invention.
The specific embodiment
With reference to figure 1 is the schematic diagram of the steel structural roof in a preferred embodiment of the present invention gliding construction method.Whole steel roof structure 10 is clocklike unidirectional gantry systems, and 18 meters of bow member spacings have 13 Pin, the span excursion of arch is 77～119 meters, ratio of rise to span changes between 0.21～0.28, and total length is 258.956 meters, and respectively there is the askew arch of the 21m that encorbelments at two ends.This steel structural roof comprises 13 main arch 11,11B, 12,12B, 13,13B, 14,14B, 15,15B, 16,16B and 17, and two askew arches 18 at two ends and 19.Because the span of this preferred embodiment steel roof structure is big, novel in design unique, cause difficulty to construction, therefore this steel roof structure is divided into a plurality of sliding elements carries out sliding construction.As shown in Figure 2, be that sliding element divides schematic diagram, with this steel roof structure be divided into 11 with 11B be that first sliding element 21,12 is second sliding element 22 with 12B, 13 with 13B be the 3rd sliding element 23,14 with 14B be that the 4th sliding element 24,15 is that the 5th sliding element 25,16 is the 6th sliding element 26 with 16B with 15B, 17 is the 7th sliding element 27,18 and 19 (askew arches) adopt crane directly to install, not in the slippage scope at the askew arch two ends.
With reference to figure 3, the gliding construction method of a preferable enforcement of this steel roof structure is realized by following steps:
Step 31: assembling members
At first that each is little member carries out assembly unit on the ground, and the member with assembly unit on the ground adopts the assembly unit moulding bed to be assembled into bigger member then, to reduce installation at high altitude and welding.
Step 32: deployment rails, moulding bed
Simultaneously, with reference to figure 4, for the master of deployment rails, moulding bed looks schematic diagram.Slippage moulding bed and back slippage moulding bed before using the double glide moulding bed to be respectively in this embodiment, front and back are arranged on the track, and track is two-layer track.On ± 0.000, arrange 4 tracks 401～404, the fixing first floor slippage moulding bed 406 of moulding bed 405 (wherein fixedly moulding bed also can replace with other building), the moulding bed of slippage afterwards; Arrange the second layer slippage moulding bed 410 of 3 tracks 407～409, back slippage moulding bed on+5.820, preceding slippage moulding bed does not show in this Fig. 4.
Step 33: lifting components, composition sliding element
Behind deployment rails in completing steps 32, the moulding bed, carry out lifting, the composition sliding element of member.Simultaneously with reference to figure 1,2, at first carry out first sliding element 21 promptly 11 with the slippage of 11B.At first utilize the crane 51 will be at segmentation arch 111 liftings of the main arch 11 of assembly unit on the assembly unit moulding bed to the first floor slippage moulding bed of preceding slippage moulding bed (with reference to figure 5a), then with 112 liftings of segmentation arch to preceding slippage moulding bed ' second layer slippage moulding bed on, and encircle 111 groups to being connected (with reference to figure 5b) with segmentation; After finishing abovementioned steps, preceding slippage moulding bed along the track slippage distance certain at interval with back slippage moulding bed forward, is repeated above step, main arch 11B is lifted to first floor slippage moulding bed and the second layer slippage moulding bed (with reference to figure 5c); The purlin that then will connect main arch lifts respectively to first floor and second layer slippage moulding bed, and with these purlins and main arch 11 and 11B welding, so far finishes the lifting (with reference to figure 5d) of first sliding element 21.
Step 34: slippage sliding element
With reference to figure 5e, the schematic diagram when being 21 slippages of first sliding element to the position of design.Behind completing steps 33, utilize draw-gear, be hydraulic pressure creep machine in the present embodiment, with this first sliding element 21 together with the slippage moulding bed synchronously, etc. the absolute altitude slippage to the installation site of design.
Be the synchronisation control means schematic diagram of a preferred embodiment of the present invention simultaneously, on each bar track, a draw-gear be set with reference to figure 6a, 6b, in the present embodiment for hydraulic pressure creep machine be respectively 401 '～404 ', 407 '～409 '.With seven hydraulic pressure creep machines be divided into three groups respectively in parallel, i.e. Zhong Jian hydraulic pressure creep machine 407 '～409 ' be a group, and it is decided to be reference point O; Be positioned at the main order point A in two hydraulic pressure creep machine 401 '～402 of a side ' be set at; Two hydraulic pressure creep machine 403 '～404 of opposite side ' be set at from order point B.When the beginning slippage, under the control of computer, follow the tracks of the main order point of comparison A with displacement from order point B, according to the difference Δ L of point-to-point transmission displacement, get intermediate value Δ L/2 dynamically to adjust respectively, guarantee that each hydraulic pressure creep machine remains synchronously in slipping.By the geometrical principle of 2 definite straight lines, guarantee the slippage moulding bed and on steel roof system sliding element in whole slipping steadily.
In the process of carrying out synchronization-sliding control, also comprise auxiliary control: rule is set on each track limit, and a threshold value is set, can be set to 5cm in this embodiment, monitor the hydraulic pressure creep machine on each track, make displacement between every hydraulic pressure creep machine in preset threshold 5cm, if surpass this preset threshold, stop slippage, adjust synchronously.
Wherein, further comprising the steps of in this step 34:
-before slippage to bow member, slippage moulding bed, fixedly the stability of moulding bed and the reliability of hydraulic pressure creep machine are conscientiously checked.
-in slipping, because slippage moulding bed height height, in slipping, keep a close eye on bow member, slippage moulding bed, the fixing stability of moulding bed; Splash each pressure that installs, loads change situation etc., and conscientiously carry out writing task.
-in slipping, by the accurate numerical value of laser range finder and each the creep setpoint displacement of invar tape conjunction measuring.
Step 35: the hourglass adjuster is regulated absolute altitude
At completing steps 34, be about to 21 slippages of first sliding element behind the position of design, adopt the hourglass adjuster that main arch 11 and 11B are discharged into design elevation, then arch springing is connected with mounted antivibration bearing.
Step 36: return the slippage moulding bed
With reference to figure 5f, be the schematic diagram of slippage moulding bed return to origin position.Behind completing steps 35, the slippage moulding bed returned slide into start position, revise slippage moulding bed height, for slippage is next time prepared.
Repeat above step, first to the 7th sliding element slippage is in place; Erection sequence is first to the 7th slippage erection sequence successively; 18 and 19 (askew arches) adopt crane directly to install at the askew arch two ends; Then, with between unit and the unit and and two askew arches between the purlin crane lifting, finish connection, form i.e. this steel roof system 10 of continuous span, with reference to figure 5g.
Be understandable that the detailed description of the foregoing description is in order to set forth and explain principle of the present invention rather than to the qualification of protection scope of the present invention.Under the prerequisite that does not break away from purport of the present invention, one of ordinary skill in the art can be made modification by the understanding to the principle of being instructed of technique scheme on these embodiment bases, changes and changes.Therefore protection scope of the present invention by appended claim with and be equal to and limit.
Claims (6)
1, a kind of gliding construction method of large span steel structure roof, it is characterized in that this method is included in the job site a kind of slippage moulding bed is provided, this moulding bed is made horizontal sliding in orbit, each track provides at least one cover draw-gear respectively, and a cover sync control device; Its construction sequence comprises:
-height of slippage moulding bed is adjusted in requirement according to design height;
-steel structure member after the assembly unit is lifted to the slippage moulding bed, group is linked to be a sliding element and is fixed on the described slippage moulding bed, welding;
-with the slippage moulding bed together with this sliding element, by the traction of draw-gear, the Synchronization Control of sync control device makes the synchronous contour slippage of sliding element to the design and installation position;
-sliding element that slippage is put in place fixedly mounts;
-return the slippage moulding bed;
Repeat above step, until the installation site that each sliding element is slid onto design.
2, gliding construction method as claimed in claim 1 is characterized in that: described sliding element is two Pin or single Pin.
3, gliding construction method as claimed in claim 1 is characterized in that: during to the absolute altitude position of design, utilizing the hourglass adjuster to regulate the absolute altitude of sliding element the unit slippage of want slippage.
4, as the arbitrary described gliding construction method of claim 1-3, it is characterized in that: described slippage moulding bed is the double glide moulding bed, and front and back are arranged on the track respectively;
Slippage slippage moulding bed and on bow member, utilize sync control device, make the slippage moulding bed under the traction of draw-gear synchronization-sliding to the design the position.
5, gliding construction method as claimed in claim 4 is characterized in that: track is two-layer, and the track of lower floor is distributed in the both sides of upper strata track respectively;
Utilize described sync control device, make the displacement of the draw-gear on draw-gear and the upper strata track on the both sides lower floor track keep identical substantially.
6, gliding construction method as claimed in claim 5 is characterized in that also comprising step: on each sliding rail limit rule is set, and a threshold value is set;
Utilize supervising device to monitor draw-gear on each sliding rail, asynchronous during when it near set threshold value, stop slippage, adjust synchronously then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102077568A CN101451383A (en) | 2008-12-25 | 2008-12-25 | Sliding construction method of large span steel structure roof |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008102077568A CN101451383A (en) | 2008-12-25 | 2008-12-25 | Sliding construction method of large span steel structure roof |
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| CNA2008102077568A Pending CN101451383A (en) | 2008-12-25 | 2008-12-25 | Sliding construction method of large span steel structure roof |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824871A (en) * | 2010-04-26 | 2010-09-08 | 哈尔滨工业大学空间钢结构幕墙有限公司 | Irregular borehole-type counter weight device for operating equipment of curved track |
| CN102146732A (en) * | 2011-03-09 | 2011-08-10 | 中国建筑第八工程局有限公司 | Extra-large-area hyperboloid welding ball network frame sliding construction method |
| CN102168490A (en) * | 2011-03-09 | 2011-08-31 | 中国建筑第八工程局有限公司 | Partition direct hoisting construction method for hyperboloidal welded ball net rack |
| CN101587339B (en) * | 2009-06-26 | 2011-09-14 | 清华大学 | Wide span roof integral slipping construction integrated control method |
| CN104060835A (en) * | 2014-04-30 | 2014-09-24 | 浙江东南网架股份有限公司 | Lifting-sliding construction method for single plane truss |
| CN104675125A (en) * | 2015-03-05 | 2015-06-03 | 中国建筑第二工程局有限公司 | Large-span roof high bracket supporting system with inclination angle and slide moving construction method thereof |
| CN105275122A (en) * | 2014-07-24 | 2016-01-27 | 冯玉廷 | Large-scale venue instant movable curtain top |
| CN106499238A (en) * | 2016-10-31 | 2017-03-15 | 环球汇能（北京）科技有限公司 | A kind of method and the canopy that is built for building canopy |
| CN106703419A (en) * | 2017-01-22 | 2017-05-24 | 中国十七冶集团有限公司 | Large-span roof truss high-altitude assembly sliding control method |
| CN107165420A (en) * | 2017-06-12 | 2017-09-15 | 南通四建集团有限公司 | The method of integrated Mechatronic Systems hydraulic pressure lift integral installation in steel structural roof rack |
| CN108301434A (en) * | 2018-02-01 | 2018-07-20 | 中国中元国际工程有限公司 | A kind of large radiation light source vibration damping basis prefabrication type sliding rail assembly construction method |
| CN108301515A (en) * | 2018-01-17 | 2018-07-20 | 中国中元国际工程有限公司 | A kind of large radiation light source building body draws assembly construction method with basal orbit |
| CN109057365A (en) * | 2018-08-31 | 2018-12-21 | 中冶建工集团有限公司 | A kind of Node In Large-span Pipe Truss roof truss air translation installation method |
| CN111852036A (en) * | 2020-07-03 | 2020-10-30 | 铜陵有色建安钢构有限责任公司 | Sliding hoisting method for long-span pipe truss structure |
| CN113323295A (en) * | 2021-05-27 | 2021-08-31 | 中国华冶科工集团有限公司 | Method for installing roof structure of steel structure factory building |
-
2008
- 2008-12-25 CN CNA2008102077568A patent/CN101451383A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101587339B (en) * | 2009-06-26 | 2011-09-14 | 清华大学 | Wide span roof integral slipping construction integrated control method |
| CN101824871A (en) * | 2010-04-26 | 2010-09-08 | 哈尔滨工业大学空间钢结构幕墙有限公司 | Irregular borehole-type counter weight device for operating equipment of curved track |
| CN101824871B (en) * | 2010-04-26 | 2012-04-04 | 哈尔滨工业大学空间钢结构幕墙有限公司 | Irregular borehole-type counter weight device for operating equipment of curved track |
| CN102146732A (en) * | 2011-03-09 | 2011-08-10 | 中国建筑第八工程局有限公司 | Extra-large-area hyperboloid welding ball network frame sliding construction method |
| CN102168490A (en) * | 2011-03-09 | 2011-08-31 | 中国建筑第八工程局有限公司 | Partition direct hoisting construction method for hyperboloidal welded ball net rack |
| CN102146732B (en) * | 2011-03-09 | 2013-04-17 | 中国建筑第八工程局有限公司 | Extra-large-area hyperboloid welding ball network frame sliding construction method |
| CN104060835A (en) * | 2014-04-30 | 2014-09-24 | 浙江东南网架股份有限公司 | Lifting-sliding construction method for single plane truss |
| CN105275122A (en) * | 2014-07-24 | 2016-01-27 | 冯玉廷 | Large-scale venue instant movable curtain top |
| CN104675125A (en) * | 2015-03-05 | 2015-06-03 | 中国建筑第二工程局有限公司 | Large-span roof high bracket supporting system with inclination angle and slide moving construction method thereof |
| CN104675125B (en) * | 2015-03-05 | 2017-04-12 | 中国建筑第二工程局有限公司 | Large-span roof high bracket supporting system with inclination angle and slide moving construction method thereof |
| CN106499238A (en) * | 2016-10-31 | 2017-03-15 | 环球汇能（北京）科技有限公司 | A kind of method and the canopy that is built for building canopy |
| CN106703419A (en) * | 2017-01-22 | 2017-05-24 | 中国十七冶集团有限公司 | Large-span roof truss high-altitude assembly sliding control method |
| CN107165420A (en) * | 2017-06-12 | 2017-09-15 | 南通四建集团有限公司 | The method of integrated Mechatronic Systems hydraulic pressure lift integral installation in steel structural roof rack |
| CN108301515A (en) * | 2018-01-17 | 2018-07-20 | 中国中元国际工程有限公司 | A kind of large radiation light source building body draws assembly construction method with basal orbit |
| CN108301434A (en) * | 2018-02-01 | 2018-07-20 | 中国中元国际工程有限公司 | A kind of large radiation light source vibration damping basis prefabrication type sliding rail assembly construction method |
| CN109057365A (en) * | 2018-08-31 | 2018-12-21 | 中冶建工集团有限公司 | A kind of Node In Large-span Pipe Truss roof truss air translation installation method |
| CN111852036A (en) * | 2020-07-03 | 2020-10-30 | 铜陵有色建安钢构有限责任公司 | Sliding hoisting method for long-span pipe truss structure |
| CN113323295A (en) * | 2021-05-27 | 2021-08-31 | 中国华冶科工集团有限公司 | Method for installing roof structure of steel structure factory building |
| CN113323295B (en) * | 2021-05-27 | 2023-01-24 | 中国华冶科工集团有限公司 | Method for installing roof structure of steel structure factory building |
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Open date: 20090610 |