CN113445626A - Steel column manhole structure and installation method thereof - Google Patents
Steel column manhole structure and installation method thereof Download PDFInfo
- Publication number
- CN113445626A CN113445626A CN202110903299.1A CN202110903299A CN113445626A CN 113445626 A CN113445626 A CN 113445626A CN 202110903299 A CN202110903299 A CN 202110903299A CN 113445626 A CN113445626 A CN 113445626A
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- China
- Prior art keywords
- manhole
- steel column
- plate
- sleeve
- steel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 112
- 239000010959 steel Substances 0.000 title claims abstract description 112
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000009434 installation Methods 0.000 title abstract description 17
- 238000003466 welding Methods 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 11
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 6
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
- E04C5/03—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance with indentations, projections, ribs, or the like, for augmenting the adherence to the concrete
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2445—Load-supporting elements with reinforcement at the connection point other than the connector
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention relates to a steel column manhole structure, wherein the left side and the right side of a manhole plate are designed into oblique grooves; the right side of the manhole plate is fixedly connected with a round pin, the round pin is arranged in a sleeve, and the sleeve is fixedly connected with the right side of the steel column manhole; a sleeve is arranged at the left edge of the steel column manhole, a dowel bar is arranged in the sleeve, and the right end of the dowel bar is clamped and fixed on the surface of the manhole plate; the invention also provides an installation method of the steel column manhole structure, wherein L-shaped steel bars are welded on the right side of the manhole plate, sleeves are installed on the L-shaped steel bars, and then the sleeves are welded beside the steel column manhole; when the manhole is closed, the manhole plate is turned over flatly to enable the manhole plate to enter the steel column manhole, and rusty metal is inserted into a gap between the left side of the manhole plate and the steel column manhole; welding a steel sleeve at the left edge of the steel column manhole, inserting a dowel into the sleeve, and pressing the right end of the dowel on the right side surface of the manhole plate; when supervision and acceptance are carried out, the dowel bars are dismantled, the metal sheet easy to rust is taken out, and the manhole plate is opened; all manhole plates of steel columns are welded after acceptance and acceptance, the installation speed of the orifice plate is high, and the construction safety is high.
Description
Technical Field
The invention belongs to steel column construction in constructional engineering, and particularly relates to a steel column manhole structure and an installation method thereof.
Background
The installation of the steel structure column is a key structure in steel structure building engineering, and directly influences the construction progress and quality of an engineering main body structure. The steel column is an important component for transmitting the load on the floor slab to the foundation, and in the welding process, the cross-shaped partition plate is usually welded in the large-section steel column on site, and plays an important role in ensuring the strength of the steel column. During steel column construction or after the whole welding is completed, supervision needs to conceal acceptance inspection on the welding site of the partition plate. The manhole is a construction opening reserved by workers when the steel column is installed, and the workers can enter the steel column through the manhole. The manhole needs to be closed after the steel column is welded. At present, steel structure buildings are generally large-scale projects, steel columns in the projects are numerous, supervision is usually irregular spot check during acceptance, and therefore the steel columns need to be kept in all open hole states to wait for supervision and acceptance. According to the conventional method, according to a regular flow, after the cross partition plate in the steel column is welded, the manhole plate cannot be welded and sealed, and after the inspection and acceptance are qualified, the manhole plate is welded according to requirements. The concentrated installation of the hole plates leads to huge workload and tense field construction progress.
The manhole plate in the prior art is a steel plate matched with a steel column manhole, the design size of a single component is huge, the plate thickness reaches 100mm, the monomer weight of the manhole plate exceeds 1t, and the installation and positioning traditional method of the manhole plate is to manually adopt inverted chain installation after steel column cross partition plate field welding and concealed acceptance inspection are completed. The construction process is not only heavy and inconvenient to operate, but also has certain potential safety hazard. The chain block hanging points are additionally arranged on the steel column, the steel component finished product protection is not facilitated, the site installation and the welding positioning are not facilitated, the labor is additionally increased, and the engineering cost control is not facilitated.
Disclosure of Invention
The present invention is directed to solving the above problems, and thus to provide a manhole plate which does not require a destructive re-opening of a manhole and is easy to install.
The invention solves the problems and adopts the technical scheme that:
a steel column manhole structure comprises a steel column manhole and a manhole plate arranged at the manhole of the steel column, wherein the upper and lower sizes of the manhole plate are matched with those of the steel column manhole, and the left side and the right side of the manhole plate are designed into inclined grooves; the right side of the manhole plate is fixedly connected with a round pin, the round pin is arranged in a sleeve, and the sleeve is fixedly connected with the right side of the steel column manhole; the steel column manhole left side edge is equipped with the sleeve pipe, is equipped with the dowel in the sleeve pipe, and the dowel right-hand member card is fixed in manhole plate surface.
Compared with the prior art, the invention adopting the structure has the beneficial effects that:
the manhole plate is movably arranged on the steel column, a manhole is opened when the manhole plate is needed at will, and even repeated internal construction inspection is carried out, the steel column structure is guaranteed not to be damaged.
Preferably, the left side and the right side of the steel column manhole are provided with inclined grooves. The bevel connection structure of manhole and the bevel connection structure cooperation of manhole board can effectively block the manhole board, realize supporting the pressure with the dowel with the manhole board and fix on the steel column.
The invention also provides an installation method of the steel column manhole structure, which comprises the following steps:
firstly, after welding of a cross partition plate inside a steel column is completed, measuring the position of a manhole plate on a steel column manhole, and drawing a locating point of a sleeve.
Welding an L-shaped steel bar on the right side of the manhole plate, calibrating the manhole plate to the position of the steel column hole, installing a sleeve on the L-shaped steel bar, and then welding the sleeve beside the steel column manhole;
and thirdly, opening and closing the steel column manhole by the flat-turning manhole plate.
And fourthly, flatly turning over the manhole plate to enable the manhole plate to enter the steel column manhole, and inserting an easily rusted metal sheet into a gap between the left side of the manhole plate and the steel column manhole to enable the right side of the manhole plate to be tightly propped against the steel column manhole.
Fifthly, welding a steel sleeve at the edge of the left side of the steel column manhole, enabling the opening of the sleeve to face the manhole plate, inserting the dowel into the sleeve, and pressing the right end of the dowel on the right side surface of the manhole plate.
And sixthly, when supervision and acceptance are carried out, the dowel bars are dismantled, the easily rusted metal sheet is taken out, and the manhole plate is opened.
And seventhly, recovering the fixation of the manhole plates after the inspection and acceptance are qualified, and welding the manhole plates of all the steel columns with the steel columns.
Drawings
FIG. 1 is a schematic view of the connection structure of the present invention;
figure 2 is a cross-sectional view of a closed configuration of a manhole plate of a manhole structure according to the present invention;
fig. 3 is a structural sectional view showing an open state of the orifice plate of the present invention.
In the figure: the steel column manhole 1, the manhole plate 2, the sleeve 3, the round pin 4, the rusty metal sheet 5, the sleeve 6 and the dowel bar 7.
Detailed Description
The invention will be further illustrated by the following examples, which are intended only for a better understanding of the present invention and therefore do not limit the scope of the invention.
Referring to fig. 1 to 3, the manhole plate installation structure designed by the present invention uses a combination of a steel bar sleeve and a steel bar head made into a small-segment sleeve 3 and a round pin 4 by using construction waste materials. The round pin 4 rotates in the sleeve 3, thereby forming a mounting shaft of the orifice plate. Specifically, both sides of the manhole plate 2 are cut into slope openings; the right side of the manhole plate 2 is fixedly connected with a round pin 4, the round pin 4 is arranged in a sleeve 3, and the sleeve 3 is fixedly connected with the right side of the steel column manhole 1; the left side edge of the steel column manhole 1 is provided with a sleeve 6, a dowel bar 7 is arranged in the sleeve 6, and the right end of the dowel bar 7 is clamped and fixed on the surface of the manhole plate 2.
Furthermore, the left side and the right side of the steel column manhole 1 are provided with an inclined groove, and the upper and lower sizes of the steel column manhole are matched with the size of the manhole plate. According to the scheme, the manhole plate 2 is matched with the inclined plane of the steel column manhole 1, and the protective dowel 7 can clamp the manhole plate 2 at the manhole of the steel column.
The installation method of the steel column manhole structure provided by the invention comprises the following steps:
firstly, after welding of a cross partition plate inside a steel column, measuring the position of a manhole plate 2 on a manhole 1 of the steel column, and drawing positioning points of a sleeve 3;
secondly, welding L-shaped steel bars on the right side of the manhole plate 2, aligning the manhole plate 2 to the position of the steel column manhole 1, mounting a sleeve 3 on the L-shaped steel bars, and welding the sleeve 3 beside the steel column manhole 1;
thirdly, opening and closing the steel column manhole by the horizontally-turned manhole plate 2;
fourthly, flatly turning over the manhole plate 2, enabling the manhole plate 2 to enter the steel column manhole 1, inserting an easily-rusted metal sheet 5 into a gap between the left side of the manhole plate 2 and the steel column manhole 1, and enabling the right side of the manhole plate 2 to be tightly propped against the steel column manhole 1;
fifthly, welding a steel sleeve 6 on the left side edge of the steel column manhole 1, enabling a pipe orifice of the sleeve 6 to face the manhole plate 2, inserting a dowel 7 into the sleeve 6, and pressing the right end of the dowel 7 on the right side surface of the manhole plate 2;
sixthly, when supervision and acceptance are carried out, the dowel bar 7 is removed, the metal sheet 5 easy to rust is taken out, and the manhole plate is opened;
and seventhly, recovering the fixation of the manhole plates 2 after acceptance and acceptance, and welding the manhole plates 2 of all the steel columns with the steel columns.
The manhole plate is installed through the flat-open hinge, the manhole plate is of an openable structure, the problem that a fixing structure of the manhole plate cannot be checked repeatedly in the prior art is solved, and the manhole plate installation structure provided by the invention cannot damage a steel cylinder even if the manhole plate installation structure is checked repeatedly, does not need to be repaired, and influences the construction quality. The invention also realizes the installation of the manhole plate before the hoisting of the steel column, and solves the problems of difficult alignment and material waste during the installation. The manhole plate mounting structure provided by the invention can be welded only by closing the manhole plate and adjusting the position without putting the reverse chain hoisting manhole plate into fixed welding even if welding and fixing are required after acceptance inspection is finished. The labor intensity of operators is reduced, and the construction danger of the operators is reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.
Claims (4)
1. The utility model provides a steel column manhole structure, includes steel column manhole (1) and sets up in manhole board (2) of steel column manhole (1) department, its characterized in that: the upper and lower sizes of the manhole plate (2) are matched with the size of the steel column manhole (1), and the left side and the right side of the manhole plate (2) are designed into inclined grooves; the right side of the manhole plate (2) is fixedly connected with a round pin (4), the round pin (4) is arranged in a sleeve (3), and the sleeve (3) is fixedly connected with the right side of the steel column manhole (1); the steel column manhole (1) left side edge is equipped with sleeve pipe (6), is equipped with dowel bar (7) in sleeve pipe (6), and dowel bar (7) right-hand member card is in manhole board (2) surface.
2. The steel column manhole structure of claim 1, wherein: the left side and the right side of the steel column manhole (1) are provided with inclined grooves.
3. The steel column manhole structure of claim 1, wherein: the round pin is an L-shaped steel bar.
4. The method of installing a steel column manhole structure according to claim 1, wherein: the method comprises the following steps:
firstly, after welding of a cross partition plate inside a steel column is completed, measuring the position of a manhole plate (2) on a manhole (1) of the steel column, and drawing positioning points of a sleeve (3);
secondly, welding L-shaped steel bars on the right side of the manhole plate (2), aligning the manhole plate (2) to the position of the steel column manhole (1), installing a sleeve (3) on the L-shaped steel bars, and then welding the sleeve (3) beside the steel column manhole (1);
thirdly, opening and closing the steel column manhole by the horizontally-turned manhole plate (2);
fourthly, flatly turning over the manhole plate (2), enabling the manhole plate (2) to enter the steel column manhole (1), inserting an easily-rusted metal sheet (5) into a gap between the left side of the manhole plate (2) and the steel column manhole (1), and enabling the right side of the manhole plate (2) to be tightly propped against the steel column manhole (1);
fifthly, welding a sleeve (6) at the left side edge of the steel column manhole (1), enabling the pipe opening of the sleeve (6) to face the manhole plate (2), inserting a steel dowel (7) into the sleeve (6), and pressing the right end of the steel dowel (7) on the right side surface of the manhole plate (2);
sixthly, when supervision and acceptance are carried out, the dowel (7) is removed, the easily-rusted metal sheet (5) is taken out, and the steel column manhole (1) is opened;
and seventhly, recovering the fixation of the manhole plates (2) after the acceptance is qualified, and welding the manhole plates (2) on all the steel columns with the steel columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110903299.1A CN113445626B (en) | 2021-08-06 | 2021-08-06 | Steel column manhole structure and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110903299.1A CN113445626B (en) | 2021-08-06 | 2021-08-06 | Steel column manhole structure and installation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113445626A true CN113445626A (en) | 2021-09-28 |
| CN113445626B CN113445626B (en) | 2024-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110903299.1A Active CN113445626B (en) | 2021-08-06 | 2021-08-06 | Steel column manhole structure and installation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200217580Y1 (en) * | 2000-06-30 | 2001-03-15 | 주식회사일산금속 | A locking device for manhole cover |
| CN105672842A (en) * | 2016-03-17 | 2016-06-15 | 安徽恒意环保科技有限公司 | Manhole door for desulfurizing tower |
| CN111618399A (en) * | 2020-06-12 | 2020-09-04 | 中国二十二冶集团有限公司 | Welding-prevention shrinkage deformation receiving method for manhole of box-type steel column |
| CN212359535U (en) * | 2020-04-27 | 2021-01-15 | 大连市市政设计研究院有限责任公司 | Steel manhole door |
| CN215594376U (en) * | 2021-08-06 | 2022-01-21 | 中国二十二冶集团有限公司 | Steel column manhole structure |
-
2021
- 2021-08-06 CN CN202110903299.1A patent/CN113445626B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200217580Y1 (en) * | 2000-06-30 | 2001-03-15 | 주식회사일산금속 | A locking device for manhole cover |
| CN105672842A (en) * | 2016-03-17 | 2016-06-15 | 安徽恒意环保科技有限公司 | Manhole door for desulfurizing tower |
| CN212359535U (en) * | 2020-04-27 | 2021-01-15 | 大连市市政设计研究院有限责任公司 | Steel manhole door |
| CN111618399A (en) * | 2020-06-12 | 2020-09-04 | 中国二十二冶集团有限公司 | Welding-prevention shrinkage deformation receiving method for manhole of box-type steel column |
| CN215594376U (en) * | 2021-08-06 | 2022-01-21 | 中国二十二冶集团有限公司 | Steel column manhole structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113445626B (en) | 2024-06-21 |
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