CN102849626A - Indoor non-standard crane installation method - Google Patents
Indoor non-standard crane installation method Download PDFInfo
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- CN102849626A CN102849626A CN2012103594619A CN201210359461A CN102849626A CN 102849626 A CN102849626 A CN 102849626A CN 2012103594619 A CN2012103594619 A CN 2012103594619A CN 201210359461 A CN201210359461 A CN 201210359461A CN 102849626 A CN102849626 A CN 102849626A
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Abstract
The invention discloses an indoor non-standard crane installation method which comprises the following steps of: firstly, when a concrete roof structure on which cranes need to be installed is constructed, reserving a lifting opening to install a temporary lifting truss girder and a lifting beam, installing a hydraulic synchronous lifting system above the lifting beam and pre-installing crane rails; then lifting two band pulleys and crane girders of crane girder rails by the hydraulic synchronous lifting system, placing pulleys of two crane girders on the crane rails and in the lifting process, ensuring the crane girders to be shifted relative to the crane rails so as the span of the crane girders is less than the span between the crane rails, wherein the installation distance between the two crane girders is greater than the distance between the cranes; and finally, lifting the cranes by the hydraulic synchronous lifting system and when the cranes are lifted to the positions higher than the elevations of the crane girder rails, folding and connecting the crane girders at both sides and arranging the cranes on the crane girder rails.
Description
Technical field
The present invention relates to a kind of crane installation method, especially, relate to the installation method of the heavy nonstandard crane of the indoor superelevation of a kind of large span.
Background technology
Development along with industrial building, traverse crane is the indispensable hanging device in a lot of industrial premises, the indoor 100t traverse crane of a new generation's carrier rocket whole rocket vibrations tower span 22.5m, the whole wide 7.55m of girder, rail level absolute altitude 81.53m, the crane total weight is about 130t, wherein, girder 1 weight is 34.8t, girder 2 weight are 30t, the total weight such as dolly and suspension hook is 45t, in general highly lower engineering, how before the roof structure sealing, to adopt the open type hoisting methods, because the particularity of the structure of this type of engineering is subjected to the impact of 89m tall concrete structure roof construction, described nonstandard crane can't adopt the open type hoisting method, and narrow and small because three dimensional space is installed, crane weight is large, radius of turn is large, setting height(from bottom) is high, driving pendulum bit space is little, the effects limit such as the large single-point low bearing capacity of roof structure span, and conventional closed hanging method can not satisfy the installation needs of this crane, therefore, need to design the installation that a kind of new method realizes the heavy nonstandard driving of indoor superelevation.
Summary of the invention
Main purpose of the present invention has provided a kind of indoor nonstandard crane installation method, realizes that the heavy nonstandard crane of indoor superelevation installs safely and effectively.
Indoor nonstandard crane installation method of the present invention, comprise that a. at first reserves the lifting hole when need are installed the concrete roof structure construction of crane, so that interim boist truss beam and lifting beam to be installed, the lifting beam top is equipped with the hydraulic synchronizing lifting system, and installs in advance crane runway; B. then by two main beam of crane with pulley and main beam of crane track of hydraulic synchronizing lifting system improving, in the lifting process, the angles of whole main beam of crane, so that the main beam of crane span is less than span between crane runway, when main beam of crane is promoted to when being higher than crane runway, make main beam of crane perpendicular to crane runway, the pulley of two main beam of crane is placed on the crane runway, and the installing space of two main beam of crane is greater than the hoist room distance; C. at last by hydraulic synchronizing lifting system improving crane, when crane is promoted to when being higher than the main beam of crane track level measuring, the both sides main beam of crane closed up connects and crane is installed on the main beam of crane track.
Preferably, must detect first debugging to the hydraulic synchronizing lifting system, begin again to promote operation after comfirmation test is qualified.
Preferably, the guideline on the cable wind rope by bottom, main beam of crane two ends and top, two ends is further adjusted swing in the described main beam of crane lifting process among the step b.
Preferably, hydraulic synchronizing lifting system bottom is equipped with plain thrust bearing, to adjust the skew between main beam of crane and crane runway.
Preferably, main beam of crane is that single-point promotes, and crane is that two point promotes.
Preferably, the lifting suspension centre of main beam of crane is positioned at the inclined to one side 20cm of main beam of crane mid point place.
Preferably, when main beam of crane is promoted to when being higher than crane runway 100mm, suspend and promote to adjust the direction of main beam of crane, make pulley center line and the crane runway central lines at main beam of crane two ends, then main beam of crane is slowly fallen to being placed on the crane runway, the pulley of main beam of crane places in the crane runway slidably.
Preferably, when crane is promoted to when being higher than main beam of crane track level measuring 100mm, the both sides main beam of crane closed up connects and crane is installed on the main beam of crane track.
The invention has the beneficial effects as follows:
Adopt the hydraulic synchronizing lifting system, lifting process is stable, saves cost;
The hydraulic synchronizing lifting system is installed on the described concrete structure roofing on the temporary supporting truss, is connected with lower suspension centre special bottom anchor by described steel strand, Load Transfer is clear and definite, and is safe and reliable;
Described lifting liquid decorum lifter bottom mounting plane thrust baring is used for adjusting described main beam of crane pivot angle;
Adopt the closed installation method of " roofing top hydraulic pressure lift, monolithic girder single-point lifting+pivot angle, dolly Integral lifting girder close up in place ", interim lifting sub-truss to described suspension centre can be adjusted according to the agent structure form, has solved the installation difficult problem of the heavy nonstandard crane of indoor superelevation.
Description of drawings
Fig. 1 is the plan sketch that the present invention installs interim boist truss and lifting beam.
Fig. 2 is the generalized section that the present invention installs interim boist truss and lifting beam.
Fig. 3 is main beam of crane lifting process plan sketch of the present invention.
Fig. 4 is main beam of crane lifting process generalized section of the present invention.
Fig. 5 is the plan sketch that main beam of crane of the present invention is located in crane runway.
Fig. 6 is the generalized section that main beam of crane of the present invention is located in crane runway.
Fig. 7 is the plan sketch that crane of the present invention promotes and installs.
Fig. 8 is the generalized section that crane of the present invention promotes and installs.
The specific embodiment
Describe technical scheme of the present invention in detail referring to accompanying drawing.
As shown in Figure 1, 2,1 is main structure body, 9 is long-span roofing, at first when need are installed the concrete roof structure construction of crane, reserve and promote the hole, so that interim boist truss beam 2 and lifting beam 3 to be installed, lifting beam 3 tops are equipped with hydraulic synchronizing lifting system 4, are used for control and promote and direction, and hydraulic synchronizing lifting system 4 passes lifting beam 3 by steel strand 10 and connects suspender 5.
Then hydraulic synchronizing lifting system 4 is detected and debug after qualified, such as examination lifting, counterweight balance, and static test, the qualified rear formal lifting of comfirmation test.
Referring to Fig. 3, shown in Figure 4, mounted crane runway 7 can be used for being about to the crane slip of installation in advance, before crane is installed, two main beam of crane 6 need to be installed first, wherein respectively there is a pulley 17 at main beam of crane 6 two ends, and are provided with main beam of crane track 15 in main beam of crane 6, as shown in Figure 8.First will be wherein a slice main beam of crane 6 be transported to promote suspension centre 8 under, promote wherein a slice main beam of crane 6 by above-mentioned suspender 5, in lifting process, cable wind rope 12 by bottom, main beam of crane 6 two ends and the guideline 13 on top, two ends are adjusted the angles of the whole main beam of crane of described main beam of crane 6 in promoting, make its angles and crane runway 7 have certain deviation, make the span of main beam of crane 6 less than the span between the crane runway 7, guarantee that main beam of crane 6 can not run into the perimeter body structure in lifting process, two does not have obstacle.
Referring to Fig. 5 and shown in Figure 6, described main beam of crane 6 shifts out lifting region, when being promoted to a little more than crane runway 7, it suspends lifting by 4 controls of hydraulic synchronizing lifting system, and the direction of adjustment main beam of crane 6, make its angles vertical with crane runway 7, and pulley 17 line of centerss at main beam of crane 6 two ends and crane runway 7 central lines, then main beam of crane 6 is slowly fallen to being placed on the crane runway 7, the pulley 17 of main beam of crane 6 places in the crane runway 7 slidably, namely installs a slice main beam of crane.Another sheet main beam of crane 6 is installed in the same way again, is made the installing space of two main beam of crane 6 on crane runway 7 greater than vehicle-width.
Again referring to Fig. 7 and shown in Figure 8, after above-mentioned two main beam of crane 6 are located in crane runway 7, can carry out the installation of crane 14, crane 14 promotes by hydraulic synchronizing lifting system 4, after described crane 14 is promoted to main beam of crane track 15 a little more than above-mentioned main beam of crane 6, two main beam of crane 6 is closed up connection, and the position of adjustment main beam of crane 6, be located under the crane 14, then crane 14 be put on the main beam of crane track 15 under slowly, finish lifting.
After crane installs like this, can on main beam of crane 6, slide along main beam of crane track 15, simultaneously main beam of crane 6 can carry out slip with main beam of crane track 15 vertical direction at crane runway 7, and namely crane can slide as required at four corners of the world four direction.
Preferably, hydraulic synchronizing lifting system 4 bottoms are equipped with plain thrust bearing 11, can more effectively adjust the direction that promotes thing.
Preferably, promote suspension centre 8 and be positioned at the inclined to one side 20cm of main beam of crane mid point place.
Preferably, be higher than crane runway 7 approximately during 100mm when main beam of crane 6 is promoted to, suspend and promote to adjust the direction of main beam of crane 6.
Preferably, when crane 14 is promoted to when being higher than main beam of crane track 15 absolute altitude 100mm, both sides main beam of crane 6 is closed up connection.
Preferably, main beam of crane 6 promotes for single-point, and crane 14 promotes for two point.
Although indoor nonstandard crane installation method of the present invention is described with reference to current instantiation, but those skilled in the art should be realized that, above example only is that the present invention is described, also can make the variation of various equivalences and revises and all will drop in the scope of claims of the present invention in the situation that do not break away from spirit of the present invention.
Claims (8)
1. indoor nonstandard crane installation method is characterized in that:
A. at first reserve when need are installed the concrete roof structure construction of crane and promote the hole, so that interim boist truss beam and lifting beam to be installed, the lifting beam top is equipped with the hydraulic synchronizing lifting system, and installs in advance crane runway;
B. then by two main beam of crane with pulley and main beam of crane track of hydraulic synchronizing lifting system improving, in the lifting process, adjust the angles of main beam of crane, so that the main beam of crane span is less than span between crane runway, when main beam of crane is promoted to when being higher than crane runway, make main beam of crane perpendicular to crane runway, the pulley of two main beam of crane is placed on the crane runway, and the installing space of two main beam of crane is greater than the hoist room distance;
C. at last by hydraulic synchronizing lifting system improving crane, when crane is promoted to when being higher than the main beam of crane track level measuring, the both sides main beam of crane closed up connects and crane is installed on the main beam of crane track.
2. indoor nonstandard crane installation method as claimed in claim 1 is characterized in that: must detect first debugging to the hydraulic synchronizing lifting system, begin to promote operation after comfirmation test is qualified again.
3. indoor nonstandard crane installation method as claimed in claim 1 is characterized in that: the cable wind rope by bottom, main beam of crane two ends among the step b and the guideline on top, two ends are further adjusted the swing in the described main beam of crane lifting process.
4. indoor nonstandard crane installation method as claimed in claim 1 is characterized in that: plain thrust bearing is installed to adjust the skew between main beam of crane and crane runway bottom the hydraulic synchronizing lifting system.
5. indoor nonstandard crane installation method as claimed in claim 1 is characterized in that: main beam of crane is that single-point promotes, and crane is that two point promotes.
6. indoor nonstandard crane installation method as claimed in claim 1, it is characterized in that: the lifting suspension centre of main beam of crane is positioned at the inclined to one side 20cm of main beam of crane mid point place.
7. indoor nonstandard crane installation method as claimed in claim 1, it is characterized in that: when main beam of crane is promoted to when being higher than crane runway 100mm, suspend and promote to adjust the direction of main beam of crane, make pulley center line and the crane runway central lines at main beam of crane two ends, then main beam of crane is slowly fallen to being placed on the crane runway, the pulley of main beam of crane places in the crane runway slidably.
8. indoor nonstandard crane installation method as claimed in claim 1 is characterized in that: when crane is promoted to when being higher than main beam of crane track level measuring 100mm, the both sides main beam of crane closed up connects and crane is installed on the main beam of crane track.
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| CN201210359461.9A CN102849626B (en) | 2012-09-24 | 2012-09-24 | Indoor non-standard crane installation method |
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| CN201210359461.9A CN102849626B (en) | 2012-09-24 | 2012-09-24 | Indoor non-standard crane installation method |
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| CN102849626A true CN102849626A (en) | 2013-01-02 |
| CN102849626B CN102849626B (en) | 2014-12-31 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103086276A (en) * | 2013-01-20 | 2013-05-08 | 北京首钢建设集团有限公司 | Construction method for hoisting bridge type crane in high-rise well tower type building |
| CN103121629A (en) * | 2013-02-05 | 2013-05-29 | 山西太行建设开发有限公司 | Hoisting method of large support equipment for basement |
| CN103318768A (en) * | 2013-01-16 | 2013-09-25 | 上海振华重工(集团)股份有限公司 | Assembling method of quayside with low posture |
| CN112249915A (en) * | 2020-09-27 | 2021-01-22 | 上海宝冶集团有限公司 | Large bridge crane hoisting method for closed occasions of factory buildings |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103318768A (en) * | 2013-01-16 | 2013-09-25 | 上海振华重工(集团)股份有限公司 | Assembling method of quayside with low posture |
| CN103086276A (en) * | 2013-01-20 | 2013-05-08 | 北京首钢建设集团有限公司 | Construction method for hoisting bridge type crane in high-rise well tower type building |
| CN103086276B (en) * | 2013-01-20 | 2014-07-02 | 北京首钢建设集团有限公司 | Construction method for hoisting bridge type crane in high-rise well tower type building |
| CN103121629A (en) * | 2013-02-05 | 2013-05-29 | 山西太行建设开发有限公司 | Hoisting method of large support equipment for basement |
| CN112249915A (en) * | 2020-09-27 | 2021-01-22 | 上海宝冶集团有限公司 | Large bridge crane hoisting method for closed occasions of factory buildings |
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| CN102849626B (en) | 2014-12-31 |
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Inventor after: Sui Jieming Inventor after: Ma Rongquan Inventor after: Qi Ligang Inventor after: Guo Jia Inventor after: Guo Chunhua Inventor after: Ning Chuanhong Inventor after: Cui Aizhen Inventor before: Sui Jieming Inventor before: Qi Ligang Inventor before: Guo Jia Inventor before: Ning Chuanhong Inventor before: Cui Aizhen |
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Free format text: CORRECT: INVENTOR; FROM: SUI JIEMING QI LIGANG GUO JIA NING CHUANHONG CUI AIZHEN TO: SUI JIEMING MARONGQUAN QI LIGANG GUO JIA GUO CHUNHUA NING CHUANHONG CUI AIZHEN |
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