CN114293791B - Auxiliary fixture for installing non-fixedly-connected steel column - Google Patents
Auxiliary fixture for installing non-fixedly-connected steel column Download PDFInfo
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- CN114293791B CN114293791B CN202210088486.3A CN202210088486A CN114293791B CN 114293791 B CN114293791 B CN 114293791B CN 202210088486 A CN202210088486 A CN 202210088486A CN 114293791 B CN114293791 B CN 114293791B
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Abstract
The invention discloses an auxiliary tool for installing a non-fixedly connected steel column, which comprises an outer temporary support; the upper end of the outer temporary support is provided with a chain block for adjusting the coordinates of the steel column, and the outer temporary support is provided with a jack for adjusting the elevation of the steel column at a corresponding position below the chain block. The invention has reasonable structural design, solves a plurality of difficulties of correction and fixation in the installation process of the non-fixedly connected steel column, and is accurate and efficient for the correction of the elevation and the coordinate of the auxiliary steel column; the structural form is obvious to sharing steel column side force effect, and the overall structural stability of installation stage is ensured, and structural form is simple reasonable simultaneously, and the convenient installation is demolishd, and the material can repeatedly recycle.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an auxiliary tool for installing a non-fixedly-connected steel column.
Background
The conventional steel structure mounting mode is a mounting sequence of the post-girder, but if the steel column is a non-consolidated steel column, for example, a support is arranged below the steel column, the steel column is deviated due to lateral stress when the girder is connected at one side, so that inaccurate positioning is caused, and even instability caused by stress of the structure at one side cannot be born. After the non-fixed steel column is lifted, a large number of code plates are required for correction and fixation, and even additional reinforcing measures such as diagonal bracing, wind-collecting ropes and the like are required to be arranged. The rigid reinforcement measures adopt a welding mode, so that the protection effect on the finished product of the component is large. Moreover, the redundant reinforcement measures have large technical measure consumption, low standardization and low reliability, and the welding shrinkage is very likely to influence the installation precision.
In order to solve the construction operation problem, an auxiliary tool for installing the non-fixedly-connected steel column is designed, so that the aim of optimizing construction is fulfilled.
Disclosure of Invention
The invention aims to provide an auxiliary tool for installing a non-fixedly-connected steel column, which solves a plurality of difficulties in correction and fixation in the installation process of the non-fixedly-connected steel column.
The invention is realized in the following way:
an auxiliary tool for installing a non-fixedly connected steel column comprises an outer temporary support; the upper end of the outer temporary support is provided with a chain block for adjusting the coordinates of the steel column, and the outer temporary support is provided with a jack for adjusting the elevation of the steel column at a corresponding position below the chain block.
The outer temporary support comprises two roadbed boxes, two circular pipe lattice columns are arranged on the top surfaces of the roadbed boxes, four circular pipe lattice columns are arranged between every two circular pipe lattice columns and are connected with a support beam at the position below the jack, a plurality of vertical short supports are arranged on the support beam, and waist hole connecting plates are connected to the vertical short supports through high-strength bolts.
And a plurality of horizontal struts and a plurality of diagonal struts are arranged between every two round tubular lattice columns at corresponding positions below the supporting cross beams.
And the four round pipe lattice columns are connected with cross beams between the columns at corresponding positions above the chain block.
And the inner sides of the supporting beams are connected with wall-attached supports.
And a fixed steel beam is connected between the two roadbed boxes.
Through the technical scheme, the invention has at least the following beneficial effects:
(1) Compared with the traditional fixing modes of welding the code plates, arranging the diagonal braces, pulling the wind-collecting ropes and the like, the auxiliary tool for installing the non-fixedly connected steel column provided by the invention is standard and effective in solving a plurality of problems faced by installing the non-fixedly connected steel column, reasonable in stress form and remarkable in maintaining the stability of the steel column and the subsequent structure.
(2) The auxiliary tool for installing the non-fixedly connected steel column is stressed in the vertical direction, full penetration welding is needed between the supporting beam and the round tube lattice column, fillet welding is needed at other positions, each part of the tool can be repeatedly used, and the installation and the removal are convenient.
Drawings
FIG. 1 is a front view of the whole structure schematic diagram of the auxiliary tool for installing non-fixedly connected steel columns;
FIG. 2 is a schematic top view of the overall structure of the auxiliary tool for installing non-fixedly connected steel columns;
fig. 3 is a schematic diagram of the position of the waist hole connecting plate of the auxiliary tool for installing the non-fixedly connected steel column.
In the figure, 1, an outer temporary support; 11. a roadbed box; 12. lattice columns; 13. a support beam; 14. a vertical short support; 15. a waist hole connecting plate; 16. a horizontal support; 17. diagonal bracing; 18. a cross beam between the upright posts; 19. wall-attached support; 110. fixing the steel girder; 2. chain block; 3. and (5) a jack.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
Referring to fig. 1 and 2, an auxiliary tool for installing a non-fixedly connected steel column comprises an outer temporary support 1; the upper end of the outer temporary support 1 is provided with a chain block 2 for adjusting the coordinates of the steel column, and a jack 3 for adjusting the elevation of the steel column is arranged at the corresponding position below the chain block 2 on the outer temporary support 1.
Referring to fig. 3, the outer temporary support 1 includes two roadbed boxes 11, two round pipe lattice columns 12 are all installed on the roadbed box 11 top surface, four be located between the round pipe lattice columns 12 the jack 3 below position department all is connected with supporting beam 13, install a plurality of vertical short supports 14 on the supporting beam 13, there is waist hole connecting plate 15 through high strength bolted connection on the vertical short supports 14, supporting beam 13 inboard all is connected with attaches wall support 19. In this embodiment, as shown in fig. 1, four circular pipe lattice columns 12 are respectively located at four corners of the outer side of the permanent pier 4, a steel column main body 5 is located above the permanent pier 4, one end of a fixed steel beam 110 is fixedly connected with an embedded part on the permanent pier 4, and by means of the arrangement of a supporting cross beam 13 and a vertical short support 14, the lateral force can be decomposed into forces in two directions, namely horizontal and vertical, the horizontal force is transmitted to the permanent pier 4 through a wall attaching support 19, and the vertical force is transmitted to the steel pipe lattice column 12.
The steel column main body 5 is installed on the permanent pier 4, and jack 3 carries out the jacking to steel column main body 5 bottom, can adjust the elevation of steel column main body 5, and the bracket both sides of steel column main body 5 upper end all utilize chain 2 to be connected with pipe lattice post 12, and tensioning chain 2 can adjust steel column main body 5 coordinate.
A plurality of horizontal braces 16 and a plurality of diagonal braces 17 are arranged between every two round tubular lattice columns 12 at corresponding positions below the supporting cross beams 13. In the present embodiment, the stability of the outer temporary support 1 is improved by the arrangement of the horizontal stay 16 and the diagonal stay 17.
The four round pipe lattice columns 12 are connected with inter-column cross beams 18 at corresponding positions above the chain 2. In this embodiment, the arrangement of the inter-column cross member 18 further improves the stability of the outer temporary support 1.
A fixed steel girder 110 is connected between the two roadbed boxes 11. In the present embodiment, the two foundation boxes 11 are installed under the permanent bridge pier 4 by being clamped by the fixed steel beams 110.
The following describes the specific construction flow of the auxiliary tool for installing the non-fixedly-connected steel column in detail so as to assist in understanding the invention.
The specific construction flow of the auxiliary tool for installing the non-fixedly connected steel column comprises the following steps:
the first step: according to the weight of the installation steel column and the stress of the construction working condition, the specification and the size of each part are adjusted through calculation;
and a second step of: preparing materials, organizing, cutting, blanking, assembling and the like, performing verification and acceptance after the assembly is completed, and welding after the size is qualified;
and a third step of: assembling on site, namely sequentially installing a roadbed box 11, round pipe lattice columns 12, horizontal supports 16, diagonal supports 17, supporting beams 13 and vertical short supports 14, hoisting a steel column main body 5 to a permanent bridge pier 4 for installation after the completion, and then welding inter-column beams 18;
fourth step: the elevation and the coordinates of the steel column are adjusted through the jack 3 and the chain block 2, the waist hole connecting plate 15 is welded after the steel column is fixedly connected with the round pipe lattice column 12, and the final screwing and the spot welding fixing of the high-strength bolt are finished.
In summary, compared with the prior art, the invention has the following advantages:
(1) Compared with the traditional fixing modes of welding the code plates, arranging the diagonal braces, pulling the wind-collecting ropes and the like, the auxiliary tool for installing the non-fixedly connected steel column provided by the invention is standard and effective in solving a plurality of problems faced by installing the non-fixedly connected steel column, reasonable in stress form and remarkable in maintaining the stability of the steel column and the subsequent structure.
(2) The auxiliary tool for installing the non-fixedly connected steel column is stressed in the vertical direction, full penetration welding is needed between the supporting beam and the round tube lattice column, fillet welding is needed at other positions, each part of the tool can be repeatedly used, and the installation and the removal are convenient.
The above embodiments are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention, therefore, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (4)
1. An auxiliary tool for installing a non-fixedly connected steel column comprises an outer temporary support (1);
the method is characterized in that: the upper end of the outer temporary support (1) is provided with a chain block (2) for adjusting the coordinates of the steel column, and a jack (3) for adjusting the elevation of the steel column is arranged on the outer temporary support (1) and positioned at a corresponding position below the chain block (2);
the outer temporary support (1) comprises two roadbed boxes (11), two circular pipe lattice columns (12) are arranged on the top surfaces of the roadbed boxes (11), supporting beams (13) are connected between the four circular pipe lattice columns (12) and located below the jack (3), a plurality of vertical short supports (14) are arranged on the supporting beams (13), and waist hole connecting plates (15) are connected to the vertical short supports (14) through high-strength bolts; the inner sides of the supporting beams (13) are connected with wall-attached supports (19).
2. The auxiliary tool for installing non-fixedly connected steel columns according to claim 1, wherein the auxiliary tool comprises the following components: a plurality of horizontal braces (16) and a plurality of diagonal braces (17) are arranged between every two round pipe lattice columns (12) and positioned at corresponding positions below the supporting cross beam (13).
3. The auxiliary tool for installing non-fixedly connected steel columns according to claim 1, wherein the auxiliary tool comprises the following components: and the four round pipe lattice columns (12) are connected with inter-column cross beams (18) between every two corresponding positions above the chain block (2).
4. The auxiliary tool for installing non-fixedly connected steel columns according to claim 1, wherein the auxiliary tool comprises the following components: a fixed steel beam (110) is connected between the two roadbed boxes (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210088486.3A CN114293791B (en) | 2022-01-25 | 2022-01-25 | Auxiliary fixture for installing non-fixedly-connected steel column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210088486.3A CN114293791B (en) | 2022-01-25 | 2022-01-25 | Auxiliary fixture for installing non-fixedly-connected steel column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114293791A CN114293791A (en) | 2022-04-08 |
| CN114293791B true CN114293791B (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210088486.3A Active CN114293791B (en) | 2022-01-25 | 2022-01-25 | Auxiliary fixture for installing non-fixedly-connected steel column |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203222738U (en) * | 2013-05-07 | 2013-10-02 | 中铁十局集团第二工程有限公司 | Steel pipe latticed column temporary buttress supporting device |
| CN104695333B (en) * | 2014-11-27 | 2017-02-08 | 中铁四局集团第五工程有限公司 | Construction method of curved-surface arc-shaped main towers of cross-river single-cable suspension bridge |
| CN105040992B (en) * | 2015-08-07 | 2017-05-03 | 山西四建集团有限公司 | Reverse inverted-insertion type construction method for structural steel columns |
| CN106284665B (en) * | 2016-08-04 | 2019-08-09 | 中建钢构有限公司 | Double-spiral spatial structure of inclined steel column and construction method thereof |
| CN211473440U (en) * | 2019-10-29 | 2020-09-11 | 中国二十冶集团有限公司 | Auxiliary device is rectified in butt joint of box steel stand |
| CN113463929A (en) * | 2021-07-29 | 2021-10-01 | 中冶建工集团重庆钢结构有限公司 | Construction method for improving installation accuracy of steel column |
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- 2022-01-25 CN CN202210088486.3A patent/CN114293791B/en active Active
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