CN114313146A - Assembling method of steel structure beams - Google Patents
Assembling method of steel structure beams Download PDFInfo
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- CN114313146A CN114313146A CN202111517268.9A CN202111517268A CN114313146A CN 114313146 A CN114313146 A CN 114313146A CN 202111517268 A CN202111517268 A CN 202111517268A CN 114313146 A CN114313146 A CN 114313146A
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- steel structure
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- supporting seats
- lead screw
- joist
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 50
- 239000010959 steel Substances 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a method for assembling steel structure beams, wherein each steel structure beam is provided with at least two groups of leveling tools, each leveling tool comprises a lifting joist and two supporting seats, the lifting joist is vertical to the steel structure beam and is provided with an arc-shaped bottom support and a top horizontal supporting plate, the inner sides of the supporting seats are provided with supporting inclined planes, and the arc-shaped bottom support is supported by the supporting inclined planes of the two supporting seats; the two supporting seats are connected by adopting a lead screw, the lead screw is symmetrically provided with two sections of reverse threads, the two reverse threads are respectively in threaded connection with one supporting seat, the two supporting seats are supported by the pad pier and are in sliding connection with each other; when the assembly has height deviation to the steel structure beam, the screw rod is rotated, the lifting joist rises or falls, and the height of the steel structure beam is adjusted; when there is lateral deviation to the steel structure roof beam to the group, strike the tip of lift joist, make its slope, until the group to the steel structure roof beam parallel and level. The invention can adjust the height and the deflection error, and can meet the requirements of deck plate assembly on dimensional tolerance and flatness.
Description
Technical Field
The invention relates to a method for assembling a structural beam, in particular to a method for assembling a steel structural beam.
Background
In the prefabricated installation of platform deck piece, receive the influence that mechanical equipment, electric instrument dish cabinet installation accuracy improve, the levelness requirement of deck piece also improves thereupon, consequently also receives more and more attention of owner to the group of the structural beam who plays the supporting role to the deck piece to horizontal accuracy. At present, the structural beam group often uses the crane to hang the structural beam, and one side is organized the completion back, is assembling the opposite side, and whole in-process crane occupation cycle is long, and mechanical cost is high, and the cooperation manual work is many, in case the jack-up command is careless, will cause one side spot welding weld bead to split, is unfavorable for the meticulous leveling of structural beam.
Disclosure of Invention
The invention provides a method for assembling steel structure beams to solve the technical problems in the prior art, which can reduce hoisting operation and labor input, is convenient to construct and has high working efficiency.
The technical scheme adopted by the invention for solving the technical problems in the prior art is as follows: a steel structure beam assembly method is characterized in that fixed supports are adopted for steel structure beams, each steel structure beam is provided with at least two groups of fixed supports, the main body of each group of fixed supports is a pad pier, a leveling tool is arranged in the center of the top of the pad pier and comprises a lifting joist and two supporting seats, the lifting joist is perpendicular to the steel structure beam, the lifting joist is provided with an arc-shaped bottom support and a horizontal supporting plate, the horizontal supporting plate is fixed on the top of the arc-shaped bottom support, a supporting structure is arranged between the lifting joist and the horizontal supporting plate, a supporting inclined plane is arranged on the inner side of each supporting seat, the arc-shaped bottom support is supported by the supporting inclined planes of the two supporting seats, and the arc-shaped bottom support is movably connected with the supporting seats; the two supporting seats are connected by adopting a lead screw, the lead screw is symmetrically provided with two sections of threads, one section of the lead screw is left-handed, the other section of the lead screw is right-handed, the two supporting seats are respectively in threaded connection with one supporting seat, the two supporting seats are supported by the cushion pier, the supporting seats are in sliding connection with the cushion pier, and two ends of the lead screw are respectively provided with an adjusting connection structure; when the assembly steel structure beam has height deviation, applying torque on the adjusting and connecting structure, rotating the lead screw to enable the two supporting seats to move outwards or inwards at the same time, driving the lifting joist to ascend or descend, and adjusting the height of the steel structure beam to enable the top surfaces of the assembly steel structure beam to be in the same horizontal plane; when there is lateral deviation to the steel structure roof beam to the group, strike the tip of lift joist, make its slope, until the group to the steel structure roof beam parallel and level.
The threads on the lead screw are trapezoidal threads.
The arc-shaped bottom support is formed by longitudinally cutting a pipe section.
The supporting structure is composed of an arched steel plate, and the arched steel plate is matched between the arc-shaped bottom support and the horizontal supporting plate.
The regulating action structure adopts an external hexagonal structure.
The invention has the advantages and positive effects that: the lifting joist has the advantages that the screw rod with two sections of reverse threads is adopted to drive the two supporting seats to be close to or far away from the supporting seats to adjust the supporting height of the supporting inclined plane, so that the height of the steel structure beam is adjusted, the lifting joist is in contact with the supporting inclined plane through the arc-shaped bottom support, when the steel structure beam has transverse deviation, the arc-shaped structure of the bottom plate of the lifting joist is knocked to enable the arc-shaped plate to slide, the other end of the lifting joist rises to be flush, and therefore the lifting joist has the advantages of adjustable height, adjustable deflection error, convenience in construction, suitability for operation in a narrow space, good use effect, high working efficiency, safety and reliability, and capability of reducing lifting operation and manpower input.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a second schematic structural diagram of the present invention;
FIG. 3 is a schematic structural view of the present invention;
fig. 4 is a top view of fig. 3.
In the figure: 1. assembling a tool; 1-1, a horizontal support plate; 1-2, a support seat; 1-3, a screw rod; 1-4, supporting with a circular arc bottom; 1-5, supporting the inclined plane; 2. padding a pier; 3. a steel structural beam.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
referring to fig. 1 to 4, in a method for assembling steel structural beams, the steel structural beams 3 are fixed supports, and each steel structural beam 3 is provided with at least two groups of fixed supports.
The main body of each group of fixed supports is a cushion pier 2, a leveling tool 1 is arranged in the center of the top of the cushion pier 2, the leveling tool 1 comprises a lifting joist and two supporting seats 1-2, the lifting joist is provided with arc-shaped bottom supports 1-4 and horizontal supporting plates 1-1, the horizontal supporting plates 1-1 are fixed on the tops of the arc-shaped bottom supports 1-4, a supporting structure is arranged between the lifting joist and the horizontal supporting plates, supporting inclined planes 1-5 are arranged on the inner sides of the supporting seats 1-2, the arc-shaped bottom supports 1-4 are supported by the supporting inclined planes 1-5 of the two supporting seats 1-2, and the arc-shaped bottom supports 1-4 are movably connected with the supporting seats 1-2; the two supporting seats 1-2 are connected through a lead screw 1-3, the lead screw 1-3 is symmetrically provided with two sections of threads, one section of the thread is left-handed, the other section of the thread is right-handed, the two supporting seats 1-2 are respectively in threaded connection with one supporting seat 1-3, the two supporting seats 1-2 are supported by the pad pier 2, the supporting seats 1-2 are in sliding connection with the pad pier 2, and adjusting action structures are respectively arranged at two ends of the lead screw 1-3.
When the assembly has height deviation to the steel structure beam, a moment is applied to the adjusting action structure, the screw rods 1-3 are rotated, the two supporting seats 1-2 move outwards or inwards at the same time, the lifting joist is driven to ascend or descend, the height of the steel structure beam 3 is adjusted, and the top surfaces of the assembly steel structure beams are located in the same horizontal plane.
When the assembly has transverse deviation to the steel structure beam, the end part of the lifting joist is knocked, and one end of the lifting joist is knocked due to the arc-shaped bottom supports 1-4, so that the lifting joist can deflect along the supporting inclined plane of the supporting seat to realize inclination until the assembly is flush with the steel structure beam.
When the structural area is bigger, the assembly tool is used, the height and deflection errors can be adjusted, and the requirements of the steel structure beam assembly on dimensional tolerance and flatness can be met.
In the embodiment, the threads on the screw rods 1-3 are trapezoidal threads, so that the centering performance is good. The arc-shaped bottom support 1-4 is formed by longitudinally cutting a pipe section, the manufacturing is convenient, the support structure is composed of an arc-shaped steel plate, and the arc-shaped steel plate is inosculated between the arc-shaped bottom support 1-4 and the horizontal support plate 1-1. The adjusting action structure adopts an outer hexagonal structure, and is convenient to be connected with a socket wrench for adjustment.
Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and those skilled in the art can make many modifications without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (5)
1. A method for assembling steel structure beams is characterized in that the steel structure beams adopt fixed supports, each steel structure beam is provided with at least two groups of fixed supports,
the main body of each group of fixed supports is a pad pier, a leveling tool is arranged in the center of the top of the pad pier, the leveling tool comprises a lifting joist and two supporting seats, the lifting joist is perpendicular to a steel structure beam, the lifting joist is provided with an arc-shaped bottom support and a horizontal supporting plate, the horizontal supporting plate is fixed at the top of the arc-shaped bottom support, a supporting structure is arranged between the lifting joist and the horizontal supporting plate, supporting inclined planes are arranged on the inner sides of the supporting seats, the arc-shaped bottom support is supported by the supporting inclined planes of the two supporting seats, and the arc-shaped bottom support is movably connected with the supporting seats; the two supporting seats are connected by adopting a lead screw, the lead screw is symmetrically provided with two sections of threads, one section of the lead screw is left-handed, the other section of the lead screw is right-handed, the two supporting seats are respectively in threaded connection with one supporting seat, the two supporting seats are supported by the cushion pier, the supporting seats are in sliding connection with the cushion pier, and two ends of the lead screw are respectively provided with an adjusting connection structure;
when the assembly steel structure beam has height deviation, applying torque on the adjusting and connecting structure, rotating the lead screw to enable the two supporting seats to move outwards or inwards at the same time, driving the lifting joist to ascend or descend, and adjusting the height of the steel structure beam to enable the top surfaces of the assembly steel structure beam to be in the same horizontal plane;
when there is lateral deviation to the steel structure roof beam to the group, strike the tip of lift joist, make its slope, until the group to the steel structure roof beam parallel and level.
2. The method for assembling the steel structure beam as claimed in claim 1, wherein the thread on the lead screw is a trapezoidal thread.
3. The method of assembling a steel structural beam as claimed in claim 1, wherein said circular arc type bottom support is formed by slitting a pipe section.
4. The method of assembling a steel structural beam as claimed in claim 1, wherein said support structure is formed of arched steel plates fitted between said circular arc type bottom support and said horizontal support plate.
5. The assembly method of steel structural beams according to claim 1, wherein the adjustment structure adopts an external hexagonal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111517268.9A CN114313146A (en) | 2021-12-13 | 2021-12-13 | Assembling method of steel structure beams |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111517268.9A CN114313146A (en) | 2021-12-13 | 2021-12-13 | Assembling method of steel structure beams |
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| Publication Number | Publication Date |
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| CN114313146A true CN114313146A (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111517268.9A Pending CN114313146A (en) | 2021-12-13 | 2021-12-13 | Assembling method of steel structure beams |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117905260A (en) * | 2024-03-05 | 2024-04-19 | 北京市建筑工程装饰集团有限公司 | Method for synchronous construction of large-span floor base layer and suspended ceiling and application structure |
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| CN203740106U (en) * | 2014-01-26 | 2014-07-30 | 中国海洋石油总公司 | Cup support with adjustable height |
| CN203961123U (en) * | 2014-07-17 | 2014-11-26 | 深圳市中营都市设计有限公司 | A kind of steel structure house beam |
| CN204080774U (en) * | 2014-08-25 | 2015-01-07 | 中国海洋石油总公司 | The pad pier of levelness, height can be regulated |
| CN106351198A (en) * | 2016-08-25 | 2017-01-25 | 中国海洋石油总公司 | Leveling device used for ocean engineering structure piece construction |
| CN206600529U (en) * | 2016-08-26 | 2017-10-31 | 广州市自来水工程公司 | A kind of arch active support for large-diameter steel pipe inner spout |
| CN110901850A (en) * | 2019-11-15 | 2020-03-24 | 沪东中华造船(集团)有限公司 | Auxiliary centering method for shipbuilding pipe |
| CN212683504U (en) * | 2020-07-09 | 2021-03-12 | 郑州一建集团有限公司 | Steel bar rust removal device |
| CN216633275U (en) * | 2021-12-13 | 2022-05-31 | 中石化第四建设有限公司 | Tool for assembling and leveling steel structure beam |
-
2021
- 2021-12-13 CN CN202111517268.9A patent/CN114313146A/en active Pending
Patent Citations (8)
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|---|---|---|---|---|
| CN203740106U (en) * | 2014-01-26 | 2014-07-30 | 中国海洋石油总公司 | Cup support with adjustable height |
| CN203961123U (en) * | 2014-07-17 | 2014-11-26 | 深圳市中营都市设计有限公司 | A kind of steel structure house beam |
| CN204080774U (en) * | 2014-08-25 | 2015-01-07 | 中国海洋石油总公司 | The pad pier of levelness, height can be regulated |
| CN106351198A (en) * | 2016-08-25 | 2017-01-25 | 中国海洋石油总公司 | Leveling device used for ocean engineering structure piece construction |
| CN206600529U (en) * | 2016-08-26 | 2017-10-31 | 广州市自来水工程公司 | A kind of arch active support for large-diameter steel pipe inner spout |
| CN110901850A (en) * | 2019-11-15 | 2020-03-24 | 沪东中华造船(集团)有限公司 | Auxiliary centering method for shipbuilding pipe |
| CN212683504U (en) * | 2020-07-09 | 2021-03-12 | 郑州一建集团有限公司 | Steel bar rust removal device |
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Non-Patent Citations (1)
| Title |
|---|
| 中国机械工程学会第一机械工业部主编: "机修手册 第1篇 第7册 螺纹与滚珠丝杠副", 北京：机械工业出版社, pages: 1 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117905260A (en) * | 2024-03-05 | 2024-04-19 | 北京市建筑工程装饰集团有限公司 | Method for synchronous construction of large-span floor base layer and suspended ceiling and application structure |
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Application publication date: 20220412 |