CN113152691A - Steel module splicing structure - Google Patents
Steel module splicing structure Download PDFInfo
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- CN113152691A CN113152691A CN202110324581.4A CN202110324581A CN113152691A CN 113152691 A CN113152691 A CN 113152691A CN 202110324581 A CN202110324581 A CN 202110324581A CN 113152691 A CN113152691 A CN 113152691A
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- 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
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- 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
- E04B1/19—Three-dimensional framework structures
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/005—Lift shafts
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- 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
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- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a steel module splicing structure, wherein each steel module comprises at least four upright posts positioned at corner parts, a lower-layer cross beam positioned at the top of the module and an upper-layer cross beam positioned at the bottom of the module; the upper layer cross beam and the lower layer cross beam are both double-web I-shaped steel beams or double-channel steel combination beams; the upper layer cross beam of the lower layer module and the lower layer cross beam of the upper layer module are fixed by bolts penetrating through the upper layer cross beam of the lower layer module and the lower layer cross beam of the upper layer module, and the bolts penetrate between two webs of the double-web I-shaped steel beam or the double-channel steel composite beam and are parallel to the two webs; the double-channel steel combination beam comprises a connecting plate, and the connecting plate connects and fixes flange plates on one sides of two channel steels in a welding mode to form the combination beam. The steel module splicing structure is suitable for assembling type modularization additionally installed with an elevator, is good in firmness, saves labor and materials, and is attractive in appearance.
Description
Technical Field
The invention relates to the technical field of splicing of assembled modular elevator, in particular to a steel module splicing structure.
Background
The building with the older building age is usually only provided with stairs, and along with the development of the aging trend of the population and the continuous promotion of old building reconstruction projects, the assembly of elevators for old buildings becomes more important work in the reconstruction process. The assembled modularized elevator has the advantages of short construction period, good safety performance and the like, and is widely used.
In the assembled modular additional elevator in the past, the well comprises a plurality of frameworks and a channel steel guide beam used for connecting adjacent frameworks, the frameworks comprise cross beams and stand columns for supporting the cross beams, the cross beams and the stand columns are made of I-shaped steel and are fixed by welding, and the upper end and the lower end of the channel steel guide beam and the framework are fixed by connecting plate bolts. The connecting structure has poor firmness on one hand, and large bolt quantity which needs to be additionally installed during construction on the other hand, thereby wasting time and labor.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a splicing structure of an upper layer module and a lower layer module, which is suitable for assembling an elevator in an assembling type modularization mode, has good firmness, saves labor and materials and has attractive appearance.
The technical scheme of the invention is detailed as follows:
a steel module splicing structure comprises at least four upright posts positioned at corners, a lower-layer beam positioned at the top of a module and an upper-layer beam positioned at the bottom of the module; the upper layer cross beam and the lower layer cross beam are both double-web I-shaped steel beams or double-channel steel combination beams; the upper layer cross beam of the lower layer module and the lower layer cross beam of the upper layer module are fixed by bolts penetrating through the upper layer cross beam of the lower layer module and the lower layer cross beam of the upper layer module, and the bolts penetrate between two webs of the double-web I-shaped steel beam or the double-channel steel composite beam and are parallel to the double webs; the double-channel steel combination beam further comprises a connecting plate, and the flange plate on one side of each of the two channel steels is fixedly connected through the connecting plate in a welding mode.
The one side is the upper side or the lower side of the channel steel, namely one of the flange plates on the upper horizontal plane and the lower horizontal plane, specifically, as the upper-layer cross beam, only two flange plates which are relatively positioned on the upper horizontal plane are connected and fixed, and the lower flange plate is spliced with the channel steel of the lower-layer cross beam, so that the lower flange plate is not required to be connected and fixed; or, as the lower-layer cross beam, only two flange plates relative to the lower horizontal plane are fixed by the connecting plates, and the upper flange plate is spliced with the channel steel of the upper-layer cross beam so that the upper flange plate is not fixed by the connecting plates.
The I-shaped steel is a long steel product with an I-shaped section and comprises an upper flange plate, a lower flange plate and a web plate, wherein the web plate is supported between the two flange plates and is vertical to the flange plates, the number of the web plates is two, and the two web plates are symmetrically arranged relative to the central axis of the upper flange plate and the lower flange plate. The bolt is preferably a long rod bolt.
The double-channel steel combined beam is a steel beam formed by arranging and combining two channel steels in a mode that webs are close to each other, the webs of the two channel steels are parallel and are not tightly attached to each other, a certain distance is reserved for bolts to penetrate through, the two wing edge plates above are located at the same horizontal position, and the two wing edge plates below are also located at the same horizontal position. In order to connect the two channel steels to form the combined beam and facilitate the installation of bolts, the flange plates of the two channel steels are welded and fixed by using the connecting plate, and bolt holes can be formed in the connecting plate for the bolts to pass through.
The steel module comprises at least four columns at the corners, and may alternatively comprise six or more columns. The upper and lower beams are welded with the side surfaces of the upright posts, and the lower surface of the upper beam and the upper surface of the lower beam are flush with the end surfaces of the upright posts.
As an optional or preferred scheme, in the steel module splicing structure, the bolt is further sleeved with a gasket, the gasket is respectively located on the upper surface of the upper-layer beam and the lower surface of the lower-layer beam, and the width of the gasket is greater than the distance between the two webs.
As an optional or preferred scheme, in the steel module splicing structure, the double-web i-beam or double-channel steel composite beam is further configured with a stiffening rib outside the side web.
As an optional or preferred scheme, in the steel module splicing structure, the columns and the upper-layer beams and the columns and the lower-layer beams in each module are connected by welding. The stand is used for supporting upper and lower floor's crossbeam, and two adjacent mutually perpendicular crossbeams weld with stand tip side at the tip, and upper crossbeam lower surface, lower floor's crossbeam upper surface and stand terminal surface parallel and level.
As an optional or preferred scheme, in the steel module splicing structure, a positioning element a is configured at the bottom of the module upper-layer beam or the lower surface of the upper-layer module column, a positioning element B is configured at the top of the module lower-layer beam or the upper surface of the lower-layer module column, and the size and the position of the positioning element a are adapted to the positioning element B.
Preferably, the positioning part A is a positioning hole, and the positioning part B is a positioning pin; or, setting element A is the constant head tank, and setting element B is the locating plate, and during the concatenation, the locating pin or the locating plate of the upper surface of the upper crossbeam top of lower floor's module or lower floor's module stand penetrate the locating hole or the constant head tank of the lower floor's crossbeam bottom of upper floor's module or the lower surface of upper module stand, splice the location.
Compared with the prior art, the invention has the following beneficial effects:
according to the splicing structure of the upper-layer module and the lower-layer module, the upper-layer cross beam and the lower-layer cross beam are both double-web I-shaped steel beams or double-channel steel combination beams, a certain distance is reserved between the two webs, bolts penetrate through a space defined by the upper flange plate and the web or a space defined by the connecting plate and the two webs, and one bolt can penetrate through the upper-layer cross beam and the lower-layer cross beam simultaneously. In the aspect of stability, when bolts of double-web I-shaped steel beams or double-channel steel combination beams are pre-tightened, pressure is borne by the double webs, the bearing value of pre-tightening force is larger, the pre-tightening force reaches a sufficient value, the purposes of tensile resistance and shearing resistance can be better achieved, and the connection of upper and lower layer modules is more stable.
The bolt holes are needed to be formed in the positions, through which bolts penetrate, of the double-web I-shaped steel beams or the double-channel steel combination beams, the size of each bolt hole is usually slightly larger than the outer diameter of each bolt so that the bolts can penetrate through the bolt holes, gaskets are arranged outside the bolt holes, the bolts are sleeved in the gaskets and penetrate through the bolt holes of the upper-layer cross beams (or the lower-layer cross beams), one gasket is sleeved in the bolt holes of the lower-layer cross beams (or the upper-layer cross beams) after penetrating through the bolt holes of the lower-layer cross beams (or the upper-layer cross beams), nuts are screwed, the width of each gasket is larger than the distance between the double webs, the gaskets transmit the pressure to the two webs for supporting, and the bolt pre-tightening force borne by the cross beams is improved. The compressing contact surface of the cross beam is subjected to sand blasting treatment, so that the friction force is improved.
At the bolt connecting position, the stiffening ribs are also constructed outside the side web plate of the double-web I-shaped steel beam or the double-channel steel composite beam, and are perpendicular to the web plate and the upper and lower flanges of the I-shaped steel, so that the pressure applied in three directions is borne, and the flange is effectively prevented from being stressed and unstable.
The preferred square steel pipe of steel construction stand of module, upper and lower floor's crossbeam weld in the stand side, and concatenation between the module of being convenient for is parallel and level with the stand terminal surface on upper crossbeam lower surface, lower floor's crossbeam upper surface. Compared with the scheme of using I-shaped steel as the upright post, the scheme is more stable and attractive.
The bottom of the module upper-layer beam or the lower surface of the upper-layer module upright post is provided with a positioning hole (groove), the top of the module lower-layer beam or the upper surface of the lower-layer module upright post is provided with a positioning pin (plate), and the size and the position of the positioning pin (plate) are matched with the positioning hole (groove). During splicing, a positioning pin (plate) at the top of the upper-layer beam of the lower-layer module or on the upper surface of the lower-layer module stand column penetrates into a positioning hole (groove) at the bottom of the lower-layer beam of the upper-layer module or on the lower surface of the upper-layer module stand column, so that rapid and accurate positioning is facilitated.
When the module is hoisted, the special hoisting tool is installed by utilizing the bolt hole, and the positioning plate (pin) can also be used as a hoisting point.
In conclusion, the splicing structure of the upper-layer module and the lower-layer module is firm and attractive in overall structure, labor and time are saved in installation, installation and construction can be completed quickly in a short time, and influence on life of residents is reduced.
Drawings
FIG. 1 is a schematic view of a double-web I-shaped steel beam at the splicing part of an upper steel module and a lower steel module connected by bolts;
FIG. 2 is a schematic view (cross section) of a double-web I-shaped steel beam at the splicing part of an upper steel module and a lower steel module connected by bolts;
FIG. 3 is a schematic view (cross section) of the bolt connection of the double-channel steel composite beam at the splicing part of the upper steel module and the lower steel module;
FIG. 4 is a schematic view of the connection of the double-channel steel composite beam at the splicing part of the upper steel module and the lower steel module by bolts;
FIG. 5 is a schematic view of a positioning plate and a positioning groove;
fig. 6 is a schematic diagram of a steel module splicing structure applied to a modular elevator.
In the figure:
1-upper-layer beam, 2-lower-layer beam, 3-upright post, 4-bolt, 41-bolt hole, 5-stiffening rib, 6-gasket, 7-web, 8-flange plate, 9-positioning plate, 10-connecting plate and 11-positioning groove.
Detailed Description
The technical solutions of the present invention are explained and illustrated in detail below with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement the present invention.
Referring to fig. 1, a steel module splicing structure, each steel module includes at least four columns 3 located at corners, a lower layer beam 2 located at the top of the module, and an upper layer beam 1 located at the bottom of the module; every steel module is for installing the two-layer space of elevator additional respectively, can accomplish in advance at the mill prefabrication, carries out on-the-spot amalgamation fixed mounting.
The steel module that is located the centre all has the crossbeam from top to bottom, and is located the steel module of bottom, has lower floor's crossbeam 2, is located the steel module at top, has upper crossbeam 1.
The upper-layer beam 1 and the lower-layer beam 2 are both double-web I-shaped steel beams, and referring to fig. 2, the double-web I-shaped steel beams are composed of an upper parallel flange 8, a lower parallel flange 8 and a middle vertical web 7. The upper and lower flanges are respectively provided with bolt holes 41 for the long rod bolt 4 to pass through in the space enclosed by the upper and lower flanges and the two webs. The long-rod bolt is further sleeved with a gasket 6 at the position of the surface of the long-rod bolt extending out of the double-web I-shaped steel beam, the width of the gasket is larger than the distance between the double webs, and the pressure of the bolt can be better borne. In addition, the double-web I-shaped steel beam is also provided with stiffening ribs 5 outside the side web plates.
Referring back to fig. 1, the splicing structure of the upper and lower layer modules further includes a plurality of at least four or six columns for supporting the upper and lower layer beams, and two adjacent beams perpendicular to each other are welded at the end portions to the side surfaces of the end portions of the columns.
The bottom of the upper-layer beam or the lower surface of the upper-layer module upright post is provided with a positioning groove 11, the top of the lower-layer beam or the upper surface of the lower-layer module upright post is provided with a positioning plate 9, the positioning plate 9 preferably adopts a single-plate lifting lug, and the size of the single-plate lifting lug is matched with the positioning groove 11.
The construction process comprises the following steps:
1. a factory processes and manufactures steel modules according to a design drawing;
2. pre-assembling steel modules in a factory, temporarily fixing the modules after the pre-assembling is finished, and processing bolt holes on flanges of the double-web I-shaped steel beams;
3. after the on-site splicing is finished, performing bolt connection inside the well, and performing initial screwing;
4. and after all the segments are connected, all the bolts are screwed from top to bottom.
Referring to fig. 3 and 4, which are schematic structural diagrams of an upper-layer beam and a lower-layer beam adopting a double-channel steel composite beam, an upper-layer beam 1 is formed by connecting and fixing two flange plates on the same horizontal plane on the upper surface of double-channel steel by using a connecting plate 10, a gap for a screw to pass through is defined between the two flange plates and the two web plates, and a bolt hole is formed in the connecting plate 10. The distance between the two webs is generally 4-5 cm. The two channel steels are welded and fixed with the upright post 3 at the two end parts.
The lower-layer beam 2 is fixedly connected with two flange plates on the same horizontal plane through a connecting plate 10 on the lower surface of the double-channel steel, a gap for a screw to pass through is formed between the two flange plates and the two webs in a surrounding mode, and a bolt hole is formed in the connecting plate 10. The distance between the two webs is generally 4-5 cm. The two channel steels are welded and fixed with the upright post 3 at the two end parts.
After the upper and lower layers of cross beams are spliced, the bolts 4 penetrate through the upper and lower bolt holes to be screwed down, and the two cross beams are fixed.
The rest of the splicing structures and the construction process are basically similar to those of the double-web I-shaped steel beam, and the description is omitted.
The inventive concept is explained in detail herein using specific examples, which are given only to aid in understanding the core concepts of the invention. It should be understood that any obvious modifications, equivalents and other improvements made by those skilled in the art without departing from the spirit of the present invention are included in the scope of the present invention.
Claims (7)
1. A steel module splicing structure is characterized in that each steel module comprises at least four upright posts positioned at corners, a lower-layer beam positioned at the top of the module and an upper-layer beam positioned at the bottom of the module; the upper layer cross beam and the lower layer cross beam are both double-web I-shaped steel beams or double-channel steel combination beams; the upper layer cross beam of the lower layer module and the lower layer cross beam of the upper layer module are fixed by bolts penetrating through the upper layer cross beam of the lower layer module and the lower layer cross beam of the upper layer module, and the bolts penetrate between two webs of the double-web I-shaped steel beam or the double-channel steel composite beam and are parallel to the two webs;
the double-channel steel combination beam further comprises a connecting plate, and the flange plate on one side of each of the two channel steels is fixedly connected through the connecting plate in a welding mode.
2. The steel module splicing structure of claim 1, wherein the bolt is further sleeved with a gasket, the gasket is respectively positioned on the upper surface of the upper-layer beam and the lower surface of the lower-layer beam, and the width of the gasket is greater than the distance between the two webs.
3. A steel module splicing structure according to claim 1, wherein the double web i-beams or the double channel steel composite beams are provided with stiffening ribs at the bolt connection positions and outside the side webs.
4. A steel module splicing structure according to claim 1, wherein the columns and the upper beams, and the columns and the lower beams in each module are connected by welding.
5. A steel module splicing structure according to claim 1, wherein a positioning member a is constructed at the bottom of the module upper beam or the lower surface of the upper module column, a positioning member B is constructed at the top of the module lower beam or the upper surface of the lower module column, and the size and position of the positioning member a are adapted to the positioning member B.
6. The steel module splicing structure of claim 5, wherein the positioning member A is a positioning hole, the positioning member B is a positioning pin, and during splicing, the positioning pin at the top of the upper beam of the lower module or on the upper surface of the lower module column penetrates into the positioning hole at the bottom of the lower beam of the upper module or on the lower surface of the upper module column to perform splicing positioning.
7. A steel module splicing structure according to claim 5, wherein the positioning member A is a positioning groove, the positioning member B is a positioning plate, and during splicing, the positioning plate on the top of the upper beam of the lower module or on the upper surface of the lower module column penetrates into the positioning groove on the bottom of the lower beam of the upper module or on the lower surface of the upper module column to perform splicing positioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110324581.4A CN113152691A (en) | 2021-03-26 | 2021-03-26 | Steel module splicing structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110324581.4A CN113152691A (en) | 2021-03-26 | 2021-03-26 | Steel module splicing structure |
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| CN113152691A true CN113152691A (en) | 2021-07-23 |
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| CN202110324581.4A Pending CN113152691A (en) | 2021-03-26 | 2021-03-26 | Steel module splicing structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220024723A1 (en) * | 2019-06-05 | 2022-01-27 | Kone Corporation | Method for constructing elevator and elevator |
| CN114955794A (en) * | 2022-06-08 | 2022-08-30 | 江西欣诚电梯有限公司 | Elevator shaft prefabricated frame and elevator shaft construction method |
-
2021
- 2021-03-26 CN CN202110324581.4A patent/CN113152691A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220024723A1 (en) * | 2019-06-05 | 2022-01-27 | Kone Corporation | Method for constructing elevator and elevator |
| CN114955794A (en) * | 2022-06-08 | 2022-08-30 | 江西欣诚电梯有限公司 | Elevator shaft prefabricated frame and elevator shaft construction method |
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