CN102259794A - Method for installing overall combined type crane beam - Google Patents
Method for installing overall combined type crane beam Download PDFInfo
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- CN102259794A CN102259794A CN2011102051023A CN201110205102A CN102259794A CN 102259794 A CN102259794 A CN 102259794A CN 2011102051023 A CN2011102051023 A CN 2011102051023A CN 201110205102 A CN201110205102 A CN 201110205102A CN 102259794 A CN102259794 A CN 102259794A
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- crane girder
- integral combined
- steel column
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- crane
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Abstract
The invention discloses a method for installing an overall combined type crane beam. The method comprises the steps of: after installing a steel column, assembling various types of manufactured components into the overall combined type crane beam; and then lifting integrally. The overall combined type crane beam comprises two mutually parallel crane beams and a brake component arranged on the top of the crane beams. A vertical support and/or a lower flange horizontal support are arranged between the two crane beams. A connection plate is arranged on end plates of the two crane beams. Suspension rings are arranged on the upper flanges of the two crane beams. According to the method disclosed by the invention, the construction safety, the operability and the economical efficiency are sufficiently considered; and the special engineering experiences prove that the method has the advantages of good implementation effect, low investment, high working efficiency, quality and safety assurance, strong applicability and extremely popularized significance.
Description
Technical field
The present invention relates to the installation method of crane girder, refer to a kind of installation method of integral combined crane girder particularly.
Background technology
In ANALYSIS FOR STEEL CRANE GIRDERS and ancillary system are widely used in that crane the is arranged modern industry factory building of (crane in bridge type).
The conventional mounting method is: single Pin crane girder (being generally the I-shaped cross-section), brake truss or walk members such as guidance tape and be prefabricated in the factory respectively, then each member is transported to the scene.After the steel column installation, single Pin crane girder of each axis is lifted respectively, directly winch to steel column bracket place, then through overcorrection, with after post is connected and fixed, begin to lift each braking truss again, walk member such as guidance tape, in the high-altitude each braked truss at last, walk guidance tape and cooresponding every Pin crane girder welds respectively or bolt together is fixed.
Because the braking truss is generally angle steel and makes, walks guidance tape and be generally sheet steel and form with angle steel, the member integral rigidity is all less, and flexibility is big, and transportation easily produces local deformation, and it is comparatively difficult that installation is hung at the scene.Not only installation procedure is many for the conventional mounting method, the time is long, the lifting work capacity is big, and aloft work efficient is low, welding quality control difficulty between the member, security risk are higher.
Summary of the invention
Purpose of the present invention will overcome the existing in prior technology deficiency exactly, and a kind of installation method of integral combined crane girder is provided.
For achieving the above object, the installation method of the integral combined crane girder that the present invention is designed after the steel column installation, carries out integral hoisting after each component assembly of making become integral combined crane girder; Described integral combined crane girder comprises the braking element that crane girder that two Pin are arranged in parallel and crane girder top are provided with, be provided with vertical support and/or lower flange horizontal support between the described two Pin crane girders, the end plate of described two Pin crane girders is provided with connecting panel, and the top flange of described two Pin crane girders is provided with suspension ring.
Described installation method specifically may further comprise the steps:
When a. lifting by crane, earlier integral combined crane girder is hung ground 0.2～0.4m, move the center that integral combined crane girder makes its centrally aligned installation site then;
B. slowly integral combined crane girder is winched to steel column over top 0.2～0.4m;
C. the space of integral combined crane beam end portion is penetrated the upper prop of steel column, and move down integral combined crane girder slowly, until the bracket place of steel column;
D. adjust integral combined crane girder and make its bracket line of centers of aiming at steel column, in place and slow off the hook;
E. loose hook, lifting is finished, treat integral combined crane girder proofread and correct errorless after, finish adjacently stride between the integral combined crane girder, being connected and fixed of integral combined crane girder and bracket, integral combined crane girder and steel column upper prop.
Further, described braking element is for braking truss or walking guidance tape.
Further, the width L in space, described braking element end is 1/2 of a steel column upper prop width.
Beneficial effect of the present invention is: the present invention has changed the orthodox method that single member hangs installation one by one, with each member all at produce in factory and be assembled into integral combined member, be transported to the on-the-spot disposable erection work of hanging of finishing the crane girder system then, operation is simplified, the lifting work capacity reduces, improved installation effectiveness, by statistics, work efficiency is 5.2 times of conventional mounting method, has shortened construction period greatly.The present invention has reduced the work capacity of on-the-spot high-altitude welding lifting, and the artificial quantities at scene is shifted to by the millwork equalization, and on-the-spot aloft work is transferred to the factory floor operation, helps improving the industrialization fabricating quality and the installation effectiveness of crane girder system; The minimizing of amount of high-altitude operation is of value to workman's personal safety again, has improved the safety of producing, and has embodied the production theory of " people-oriented "; Integral combined crane girder has also increased the member integral rigidity, can reduce the local deformation that member produces in transportation, avoids braking truss, walks the problem that the transportation of member such as guidance tape is scattered, yielding, difficulty is installed, and has improved construction quality.The installation method of integral combined crane girder can be widely used in the general industry factory building colonnade, and each strides the installation of hanging of crane girder system, can be after steel column be installed, roofing element carries out the installation of hanging of integral combined crane girder before installing, and satisfies the mounting condition of crane runway.
Description of drawings
Fig. 1 is the perspective view of integral combined crane girder.
Fig. 2 be integral combined crane girder the end construction scheme drawing.
Fig. 3 a is the installation process scheme drawing of the first step of integral combined crane girder.
Fig. 3 b is the installation process scheme drawing in second step of integral combined crane girder.
Fig. 3 c is the installation process scheme drawing in the 3rd step of integral combined crane girder.
Fig. 3 d is the installation process scheme drawing in the 4th step of integral combined crane girder.
Fig. 3 e is the installation process scheme drawing in the 5th step of integral combined crane girder.
The specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Integral combined crane girder 1 shown in Fig. 1,2 comprises the braking element 1.2 that crane girder 1.1 that two Pin are arranged in parallel and crane girder 1.1 tops are provided with.Braking element 1.2 is the braking truss.The top flange that the end plate that is provided with vertical support 1.3 and lower flange horizontal support 1.4, two Pin crane girders 1.1 between the two Pin crane girders 1.1 is provided with connecting panel 1.5, two Pin crane girders 1.1 is provided with suspension ring 1.6.The width L in space, braking element 1.2 end is 1/2 of steel column 2 upper prop width, that is, the end of braking element 1.2 and crane girder 1.1 distance L of end in the same way are 1/2 of steel column 2 width.
The installation method of integral combined crane girder of the present invention specifically may further comprise the steps:
When a. lifting by crane, earlier integral combined crane girder 1 is hung ground 0.3m, move the center that integral combined crane girder 1 makes its centrally aligned installation site then, shown in Fig. 3 a;
B. slowly integral combined crane girder is winched to steel column 2 over top 0.3m, shown in Fig. 3 b;
C. the space with integral combined crane girder 1 end penetrates the upper prop of steel column 2, and moves down integral combined crane girder 1 slowly, until bracket 2.1 places of steel column 2, shown in Fig. 3 c;
D. adjust integral combined crane girder 1 and make it aim at bracket 2.1 line of centerss of steel column 2, in place and slow off the hook is shown in Fig. 3 d;
E. loose hook, lifting is finished, treat integral combined crane girder 1 proofread and correct errorless after, finish adjacently stride between the integral combined crane girder 1, integral combined crane girder 1 is connected and fixed with steel column 2 upper props with bracket 2.1, integral combined crane girder 1, shown in Fig. 3 e.
Embodiment
Certain engineering is positioned at a shipbuilding yard, be the body section manufacturing shop, factory building is arranged from West to East, 1～20 beam column of steel structure of indoor section and roofing (post is apart from 12m) hang installation and finish in advance, the track of 75 tons of cranes of factory building and corresponding beam column form the open-air segmentation transhipment place that 21m strides from 20 21m to 21 axis that extend eastward.21m between 20 and 21 strides integral combined crane girder and adopts installation method of the present invention to install.
Two the single Pin crane girders and the ancillary system of middle mast axis are assembled into integral combined crane girder in factory, specifically form, as depicted in figs. 1 and 2 by two Pin crane girders 1.1, braking element 1.2, lower flange horizontal support 1.4, connecting panel 1.5 and bolt.Two Pin crane girders 1.1 be arranged in parallel, braking element 1.2 is by being fixedly welded on the top of two Pin crane girders 1.1, lower flange horizontal support 1.4 is by being fixedly welded on the bottom of two Pin crane girders 1.1, and adjacent integral combined crane girder then is in the same place with bolted connection by connecting panel 1.5 when installing and fixing.
21m strides integral combined crane girder and has five groups, and wherein maximum weight is 32T, and the crane girder span is 21m, and two ends are supported on respectively on the bracket 2.1 of 20,21 axis lattice type steel columns 2, and the below is a factory road.
After integral combined crane girder was transported to the erecting stage, the braking element 1.2 of the integral combined crane girder of middle colonnade was divided into walking guidance tape and two kinds of situations of braking truss, can be positioned over the tram respectively according to the designing requirement of each combined member; Analyze as calculated, adopt 150 tons of automobile cranes to lift.Before integral combined crane girder lifting, finished the installation of hanging of 21 axis steel columns 2, comprise work such as steel column 2 corrections, the welding of suspension column stiffener; Whether two Pin crane girders, 1.1 spacings of checking integral combined crane girder once more meet design requirement, and whether its error can satisfy code requirement; Simultaneously, carry out suspension ring 1.6 according to design paper and make, be welded in the appropriate location of crane girder 1.1 top flanges; At last, carry out marching into the arena and lifting dead work (comprising that steel rope, jig are connected with suspension ring) of 150 tons of automobile cranes.
After every work preparation is errorless, begin lifting.By crane man unified command with give signal: earlier integral combined crane girder 1 is hung ground 0.3m during lifting, move integral combined crane girder 1 then, make the center of its centrally aligned installation site; Slowly rise hook, integral combined crane girder 1 winched to 21 axis steel columns, 2 over top 0.3m, in this process with integral combined crane girder 1 integral body a little near 21 axis directions; Utilize the space, end of the braking element 1.2 of integral combined crane girder 1, make crane girder one end pass the upper prop of 21 steel columns 2, move down bracket 2.1 places then slowly until steel column 2; Adjust integral combined crane girder 1 with hoisting crane and make it aim at steel column 2 connecting panels and bracket 2.1 track centerline of first mark of handling affairs, and stride the crane girder line of centers with the indoor 12m of factory building and align, when beginning slow off the hook after in place; Hoisting crane pine hook, lifting is finished, treat integral combined crane girder 1 proofread and correct errorless after, finish finally being connected and fixed of integral combined crane girder 1.
By this case history as can be seen, each strides the installation of hanging of crane girder system to have adopted installation method of the present invention can finish in the mounting industrial factory building colonnade smoothly, improved on-site installation efficient, work efficiency is 5.2 times of conventional mounting method, reduce aloft work, guarantee construction safety, improved construction quality.Practice test feasibility, safety and the economy of integral combined crane girder installation method, applicability is strong, implementation result is good.
Claims (4)
1. the installation method of an integral combined crane girder is characterized in that: after steel column (2) installation, carry out integral hoisting after each component assembly of making become integral combined crane girder (1); Described integral combined crane girder (1) comprises the braking element (1.2) that crane girder (1.1) that two Pin are arranged in parallel and crane girder (1.1) top are provided with, be provided with vertical support (1.3) and/or lower flange horizontal support (1.4) between the described two Pin crane girders (1.1), the end plate of described two Pin crane girders (1.1) is provided with connecting panel (1.5), and the top flange of described two Pin crane girders (1.1) is provided with suspension ring (1.6).
2. the installation method of integral combined crane girder according to claim 1, it is characterized in that: described method specifically may further comprise the steps:
When a. lifting by crane, earlier integral combined crane girder (1) is hung ground 0.2～0.4m, move the center that integral combined crane girder (1) makes its centrally aligned installation site then;
B. slowly integral combined crane girder is winched to steel column (2) over top 0.2～0.4m;
C. the space with integral combined crane girder (1) end penetrates the upper prop of steel column (2), and moves down integral combined crane girder (1) slowly, locates until the bracket (2.1) of steel column (2);
D. adjust integral combined crane girder (1) and make its bracket (2.1) line of centers of aiming at steel column (2), in place and slow off the hook;
E. loose hook, lifting is finished, treat integral combined crane girder (1) proofread and correct errorless after, finish adjacently stride between the integral combined crane girder (1), integral combined crane girder (1) is connected and fixed with steel column (2) upper prop with bracket (2.1), integral combined crane girder (1).
3. the installation method of integral combined crane girder according to claim 1 is characterized in that: described braking element (1.2) is for the braking truss or walk guidance tape.
4. the installation method of integral combined crane girder according to claim 1, it is characterized in that: the width L in described braking element (1.2) space, end is 1/2 of steel column (a 2) upper prop width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110205102 CN102259794B (en) | 2011-07-21 | 2011-07-21 | Method for installing overall combined type crane beam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110205102 CN102259794B (en) | 2011-07-21 | 2011-07-21 | Method for installing overall combined type crane beam |
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| CN102259794A true CN102259794A (en) | 2011-11-30 |
| CN102259794B CN102259794B (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110205102 Expired - Fee Related CN102259794B (en) | 2011-07-21 | 2011-07-21 | Method for installing overall combined type crane beam |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759350A (en) * | 2012-07-23 | 2012-10-31 | 武汉一冶钢结构有限责任公司 | High-altitude measuring method for construction of crane beams |
| CN106439209A (en) * | 2016-08-31 | 2017-02-22 | 中国能源建设集团天津电力建设有限公司 | Novel mounting scheme for high-pressure union air valve |
| CN107140533A (en) * | 2017-05-25 | 2017-09-08 | 河南成兴建设工程有限公司 | A kind of hanging method of concrete T type crane girder |
| CN115108460A (en) * | 2022-07-13 | 2022-09-27 | 中国十七冶集团有限公司 | Factory building crane beam system installation method and factory building crane beam system |
Citations (5)
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| CN1807218A (en) * | 2006-01-26 | 2006-07-26 | 贵阳铝镁设计研究院 | Single-layer multiple-span bent column crane beam positioning method |
| CN101348212A (en) * | 2008-08-23 | 2009-01-21 | 中冶天工建设有限公司 | Giant crane beam mounting method |
| CN101759098A (en) * | 2008-11-28 | 2010-06-30 | 中冶成工上海五冶建设有限公司 | Crane beam frame construction method |
| CN201660368U (en) * | 2010-03-31 | 2010-12-01 | 长沙有色冶金设计研究院 | Suspension device for underground monorail crane girder |
| CN102086000A (en) * | 2009-12-08 | 2011-06-08 | 中冶成工上海五冶建设有限公司 | Onsite splicing and mounting method for extra-large and overweight box crane girders |
-
2011
- 2011-07-21 CN CN 201110205102 patent/CN102259794B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1807218A (en) * | 2006-01-26 | 2006-07-26 | 贵阳铝镁设计研究院 | Single-layer multiple-span bent column crane beam positioning method |
| CN101348212A (en) * | 2008-08-23 | 2009-01-21 | 中冶天工建设有限公司 | Giant crane beam mounting method |
| CN101759098A (en) * | 2008-11-28 | 2010-06-30 | 中冶成工上海五冶建设有限公司 | Crane beam frame construction method |
| CN102086000A (en) * | 2009-12-08 | 2011-06-08 | 中冶成工上海五冶建设有限公司 | Onsite splicing and mounting method for extra-large and overweight box crane girders |
| CN201660368U (en) * | 2010-03-31 | 2010-12-01 | 长沙有色冶金设计研究院 | Suspension device for underground monorail crane girder |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759350A (en) * | 2012-07-23 | 2012-10-31 | 武汉一冶钢结构有限责任公司 | High-altitude measuring method for construction of crane beams |
| CN106439209A (en) * | 2016-08-31 | 2017-02-22 | 中国能源建设集团天津电力建设有限公司 | Novel mounting scheme for high-pressure union air valve |
| CN107140533A (en) * | 2017-05-25 | 2017-09-08 | 河南成兴建设工程有限公司 | A kind of hanging method of concrete T type crane girder |
| CN115108460A (en) * | 2022-07-13 | 2022-09-27 | 中国十七冶集团有限公司 | Factory building crane beam system installation method and factory building crane beam system |
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| CN102259794B (en) | 2013-03-27 |
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