CN102995560A - Thin-wall hollow pier lifting frame and use method thereof - Google Patents
Thin-wall hollow pier lifting frame and use method thereof Download PDFInfo
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- CN102995560A CN102995560A CN2011102666210A CN201110266621A CN102995560A CN 102995560 A CN102995560 A CN 102995560A CN 2011102666210 A CN2011102666210 A CN 2011102666210A CN 201110266621 A CN201110266621 A CN 201110266621A CN 102995560 A CN102995560 A CN 102995560A
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- hollow pier
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Abstract
Disclosed is a thin-wall hollow pier lifting frame. The lifting frame is used for a thin-wall hollow pier of height of more than 20 m. The lifting comprises a frame unit and a lifting unit and is characterized in that the frame unit comprises four cross beams (5), wherein four cross beams (5) are fixedly welded to form a groined shape, X-shaped bridging (7) is welded and fixed to four corners of a square shape of the center of the groined shape, one ends of four vertical posts (1) are respectively welded to four corners of the square shape, vertical posts are vertical to the cross beams (5), diagonal braces (2) are arranged among each of vertical posts (1) and adjacent two cross beams (5), one ends of the diagonal braces (2) are fixedly welded to the vertical posts (1), the other ends of the diagonal braces (2) are fixedly welded to the cross beams (5), the lifting unit comprises 8 chain blocks (3) and 8 wire rope sleeves (4), the chain blocks and the wire rope sleeves are connected in a hook mode and the chain blocks (3) are installed on two ends of the cross beams (5) through the wire rope sleeves (4). The lifting frame is simple in production, low in cost and convenient to use.
Description
Technical field
The present invention relates to the mould-lifting device in the high pier stud construction of a kind of bridge engineering, specifically, is that a kind of Thin-wall Hollow Pier is put forward mould bases and using method.
Background technology
High pier stud construction is comparatively common in current highway construction, Freeway of Mountain Range particularly, in high pier stud construction, usually use the methods such as tower crane, hydraulic lifting to carry mould as steel form, but using tower crane to carry mould makes operation comparatively loaded down with trivial details, construction period is longer, efficient is low, and all is improved at aspects such as construction precision, efficient with hydraulic lifting method, but construction cost is higher.
Therefore known tower crane and the modeling method of carrying of hydraulic lifting exist above-mentioned all inconvenience and problem.
Summary of the invention
Purpose of the present invention, be to propose a kind of simple in structure, easy to operate, use flexibly Thin-wall Hollow Pier to carry mould bases.
Another object of the present invention, be to propose a kind of simple in structure, easy to operate, use flexibly Thin-wall Hollow Pier to put forward the mould bases using method.
For achieving the above object, technical solution of the present invention is:
A kind of Thin-wall Hollow Pier is carried mould bases, is used for height greater than the Thin-wall Hollow Pier of 20m, comprises skeleton unit and lift unit, it is characterized in that:
Described skeleton unit comprises that four crossbeams interconnect admittedly to be welded into groined type, is welded and fixed at four jiaos of bridgings that are provided with X-shaped of the center of described groined type square shape; One end of four root posts is welded on respectively four jiaos of described square shapes, and and beam vertical, being provided with diagonal brace between every root post and adjacent two crossbeams, an end of diagonal brace is welded in column admittedly, and the other end is welded in crossbeam admittedly;
Described lift unit comprises eight Chain blocks and eight steel wire loops, Chain block with steel wire loop for the hook be connected;
Wherein: described Chain block is installed in the both ends of four crossbeams separately by steel wire loop.
Thin-wall Hollow Pier of the present invention is carried mould bases and can also be further achieved by the following technical measures.
Aforesaid Thin-wall Hollow Pier is carried mould bases, and wherein said skeleton unit also comprises and is provided with eight rectangular leg-of-mutton deep floors, one bar right-angle side and column welding, and another right-angle side and end are provided with the beam welding of steel wire loop.
Aforesaid Thin-wall Hollow Pier is carried mould bases, and the height of wherein said column and the length dimension of crossbeam can be regulated according to the construction needs in Thin-wall Hollow Pier cross section.
Aforesaid Thin-wall Hollow Pier is carried mould bases, and the connecting welding between all members of wherein said skeleton unit is manual electric arc welding, and weld bead height is 6mm.
Aforesaid Thin-wall Hollow Pier is carried mould bases, and the welding rod that wherein said manual electric arc welding is used is the J422 welding rod.
A kind of Thin-wall Hollow Pier is put forward the mould bases using method, it is characterized in that may further comprise the steps:
A, determine that according to the weight of Thin-wall Hollow Pier template steel wire loop specification, model and Chain block lifting parameter are supporting;
B, construction method finishes on ground that the first mould concrete was built 12 hours and after the reinforcing bar of colligation the second mould finishes routinely, utilizing tower crane will carry mould bases mentions, the column of carrying mould bases is aimed in the second mould space between the reinforcing bar of the outside, be placed on from top to bottom on the concrete face that the first mould builds;
C, the Chain block hook of carrying mould bases catch on the first mould template, and behind the first mould template bolt looseness, the pulling Chain block makes to be carried mould bases template is promoted one-tenth the second mould template in place, fixes on request template, and form joint is tight, spillage when preventing the concrete cast;
D, utilize tower crane will carry mould bases to winch to ground, again concreting in the second mould template;
E, repeating step b～d, the circulation construction is until arrive the Thin-wall Hollow Pier object height successively.
Thin-wall Hollow Pier of the present invention is put forward the mould bases using method and can also be further achieved by the following technical measures.
Aforesaid method, the aspect ratio of selecting of wherein said column is carried the height of mould more than or equal to 1.5m at every turn.
After adopting technique scheme, Thin-wall Hollow Pier of the present invention carries mould bases and using method has the following advantages:
1, simple in structure, easy to operate;
2, use flexibly, in work progress, can select according to actual conditions the mould bases of carrying of suitable dimension;
3, significantly save Construction Cost.
Description of drawings
Fig. 1 is the structural representation that the Thin-wall Hollow Pier of the embodiment of the invention is carried mould bases;
Fig. 2 is the plan view of Fig. 1.
Among the figure: 1 column, 2 diagonal braces, 3 Chain blocks, 4 steel wire loops, 5 crossbeams, 6 deep floors, 7 bridgings.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing thereof the present invention is illustrated further.
Fig. 1 is the structural representation that the Thin-wall Hollow Pier of the embodiment of the invention is carried mould bases, and Fig. 2 is the plan view of Fig. 1.As shown in the figure, described skeleton unit comprises that four crossbeams 5 interconnect admittedly to be welded into groined type that the bridging 7 that is provided with X-shaped four jiaos of the center of described groined type square shapes is welded and fixed; One end of four root posts 1 is welded on respectively four jiaos of described square shapes, and vertical with crossbeam 5, is provided with diagonal brace 2 between every root post 1 and adjacent two crossbeams 5, and an end of diagonal brace 2 is welded in column 1 admittedly, and the other end is welded in crossbeam 5 admittedly; Described skeleton unit also comprises and is provided with eight rectangular leg-of-mutton deep floors 6, right-angle side of the strong floor 6 of every right-angled triangle and column welding, and another right-angle side and end are provided with the beam welding of steel wire loop.Connecting welding between all members of described skeleton unit is manual electric arc welding, and weld bead height is 6mm.The welding rod that described manual electric arc welding is used is the J422 welding rod.
Described lift unit comprises eight Chain blocks 3 and eight steel wire loops 4, Chain block with steel wire loop for the hook be connected;
Wherein: described Chain block 3 is installed in the both ends of four crossbeams 5 separately by steel wire loop 4.
Described skeleton unit, its central post 1 is steel pipe, nominal diameter DN140mm, wall thickness 4mm highly is 4.5m; Crossbeam 5 is steel pipe, nominal diameter DN140mm, and wall thickness 4mm, length is respectively 2.8 and 4.2m; For guaranteed strength and rigidity have increased diagonal brace 2 equal leg angle L75 * 5mm, bridging 7 equal leg angle L75 * 5mm, deep floor 6 steel plate t=10mm.
Described lift unit is combined by steel wire loop 4 and Chain block 3.The diameter of steel wire loop 4 is 14mm, and the lifting capacity of Chain block 3 is 5t.
A kind of Thin-wall Hollow Pier is put forward the mould bases using method, it is characterized in that may further comprise the steps:
A, determine that according to the weight of Thin-wall Hollow Pier template steel wire loop specification, model and Chain block lifting parameter are supporting, actual to select the diameter of steel wire loop 4 be 14mm, and the lifting capacity of Chain block 3 is 5t;
B, construction method finishes on ground that the first mould concrete was built 12 hours and after the reinforcing bar of colligation the second mould finishes routinely, utilizing tower crane will carry mould bases mentions, the column of carrying mould bases is aimed in the second mould space between the reinforcing bar of the outside, be placed on from top to bottom on the concrete face that the first mould builds;
C, the Chain block hook of carrying mould bases catch on the first mould template, and behind the first mould template bolt looseness, the pulling Chain block makes to be carried mould bases template is promoted one-tenth the second mould template in place, fixes on request template, and form joint is tight, spillage when preventing the concrete cast;
D, utilize tower crane will carry mould bases to winch to ground, again concreting in the second mould template;
E, repeating step b～d, the circulation construction is until arrive the Thin-wall Hollow Pier object height successively.
Thin-wall Hollow Pier of the present invention is put forward the mould bases using method, and its height of at every turn carrying mould is 3m.
Above embodiment is only for explanation the present invention, but not limitation of the present invention, person skilled in the relevant technique in the situation that do not break away from the spirit and scope of the present invention, can also make various conversion or variation.Therefore, all technical schemes that are equal to also should belong to category of the present invention, should be limited by each claim.
Claims (7)
1. a Thin-wall Hollow Pier is carried mould bases, is used for height greater than the Thin-wall Hollow Pier of 20m, comprises skeleton unit and lift unit, it is characterized in that:
Described skeleton unit comprises that four crossbeams (5) interconnect admittedly to be welded into groined type that the bridging (7) that is provided with X-shaped four jiaos of the center of described groined type square shapes is welded and fixed; One end of four root posts (1) is welded on respectively four jiaos of described square shapes, and vertical with crossbeam (5), be provided with diagonal brace (2) between every root post (1) and adjacent two crossbeams (5), an end of diagonal brace (2) is welded in column (1) admittedly, and the other end is welded in crossbeam (5) admittedly;
Described lift unit comprises eight Chain blocks (3) and eight steel wire loops (4), Chain block with steel wire loop for the hook be connected;
Wherein: described Chain block (3) is installed in the both ends of four crossbeams (5) separately by steel wire loop (4).
2. Thin-wall Hollow Pier as claimed in claim 1 is carried mould bases, it is characterized in that, described skeleton unit also comprises and is provided with eight rectangular leg-of-mutton deep floors (6), one bar right-angle side and column welding, and another right-angle side and end are provided with the beam welding of steel wire loop.
3. Thin-wall Hollow Pier as claimed in claim 1 is carried mould bases, it is characterized in that, the height of described column and the length dimension of crossbeam can be regulated according to the construction needs in Thin-wall Hollow Pier cross section.
4. Thin-wall Hollow Pier as claimed in claim 1 is carried mould bases, it is characterized in that, the connecting welding between all members of described skeleton unit is manual electric arc welding, and weld bead height is 6mm.
5. Thin-wall Hollow Pier as claimed in claim 4 is carried mould bases, it is characterized in that, the welding rod that described manual electric arc welding is used is the J422 welding rod.
6. a Thin-wall Hollow Pier is put forward the mould bases using method, it is characterized in that may further comprise the steps:
A, determine that according to the weight of Thin-wall Hollow Pier template steel wire loop specification, model and Chain block lifting parameter are supporting;
B, construction method finishes on ground that the first mould concrete was built 12 hours and after the reinforcing bar of colligation the second mould finishes routinely, utilizing tower crane will carry mould bases mentions, the column of carrying mould bases is aimed in the second mould space between the reinforcing bar of the outside, be placed on from top to bottom on the concrete face that the first mould builds;
C, the Chain block hook of carrying mould bases catch on the first mould template, and behind the first mould template bolt looseness, the pulling Chain block makes to be carried mould bases template is promoted one-tenth the second mould template in place, fixes on request template, and form joint is tight, spillage when preventing the concrete cast;
D, utilize tower crane will carry mould bases to winch to ground, again concreting in the second mould template;
E, repeating step b～d, the circulation construction is until arrive the Thin-wall Hollow Pier object height successively.
7. Thin-wall Hollow Pier as claimed in claim 6 is put forward the mould bases using method, it is characterized in that, the aspect ratio of selecting of described column is carried the height of mould more than or equal to 1.5m at every turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110266621.0A CN102995560B (en) | 2011-09-09 | 2011-09-09 | Thin-wall hollow pier lifting frame and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110266621.0A CN102995560B (en) | 2011-09-09 | 2011-09-09 | Thin-wall hollow pier lifting frame and use method thereof |
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| CN102995560A true CN102995560A (en) | 2013-03-27 |
| CN102995560B CN102995560B (en) | 2015-06-24 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107838571A (en) * | 2017-09-13 | 2018-03-27 | 浙江富春江水电设备有限公司 | Elongated thin-walled hollow axle welder and its welding method |
| CN108505442A (en) * | 2017-02-24 | 2018-09-07 | 中国有色金属工业第六冶金建设有限公司 | A kind of thin-wall hollow high-pier reinforcing bar support for shuttering and construction method |
| CN109944164A (en) * | 2019-03-13 | 2019-06-28 | 中建市政工程有限公司 | Self-elevating hollow thin-wall pier roller die system and construction method thereof |
| CN113303276A (en) * | 2021-06-17 | 2021-08-27 | 烟台市海洋经济研究院 | Pipe fitting |
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| CN101148862A (en) * | 2007-10-16 | 2008-03-26 | 中铁大桥局集团第四工程有限公司 | Pier body cap cracking body outside stress reinforcing method |
| FR2934193A1 (en) * | 2008-07-25 | 2010-01-29 | Coffrage Nony | Shuttering device for finger-jointing concrete beams to support e.g. flyover, has large shutter movably mounted on free edge of small shutter, where shutters partially define shuttering zone in predefined direction |
| CN101781878A (en) * | 2010-01-21 | 2010-07-21 | 中铁二十局集团有限公司 | Integral lifting template of main pylon of single-pylon cable-stayed bridge without dorsal cables and lifting construction method thereof |
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2011
- 2011-09-09 CN CN201110266621.0A patent/CN102995560B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101148862A (en) * | 2007-10-16 | 2008-03-26 | 中铁大桥局集团第四工程有限公司 | Pier body cap cracking body outside stress reinforcing method |
| FR2934193A1 (en) * | 2008-07-25 | 2010-01-29 | Coffrage Nony | Shuttering device for finger-jointing concrete beams to support e.g. flyover, has large shutter movably mounted on free edge of small shutter, where shutters partially define shuttering zone in predefined direction |
| CN101781878A (en) * | 2010-01-21 | 2010-07-21 | 中铁二十局集团有限公司 | Integral lifting template of main pylon of single-pylon cable-stayed bridge without dorsal cables and lifting construction method thereof |
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| 刘健: "变截面薄壁空心墩无拉杆桁架式模板施工技术", 《中小企业管理与科技(下旬刊)》 * |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505442A (en) * | 2017-02-24 | 2018-09-07 | 中国有色金属工业第六冶金建设有限公司 | A kind of thin-wall hollow high-pier reinforcing bar support for shuttering and construction method |
| CN107838571A (en) * | 2017-09-13 | 2018-03-27 | 浙江富春江水电设备有限公司 | Elongated thin-walled hollow axle welder and its welding method |
| CN109944164A (en) * | 2019-03-13 | 2019-06-28 | 中建市政工程有限公司 | Self-elevating hollow thin-wall pier roller die system and construction method thereof |
| CN113303276A (en) * | 2021-06-17 | 2021-08-27 | 烟台市海洋经济研究院 | Pipe fitting |
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|---|---|
| CN102995560B (en) | 2015-06-24 |
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