CN115262942B - Attached scaffold supporting mechanism at overhead part of high-altitude hall and construction method - Google Patents
Attached scaffold supporting mechanism at overhead part of high-altitude hall and construction method Download PDFInfo
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- CN115262942B CN115262942B CN202211024736.3A CN202211024736A CN115262942B CN 115262942 B CN115262942 B CN 115262942B CN 202211024736 A CN202211024736 A CN 202211024736A CN 115262942 B CN115262942 B CN 115262942B
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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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
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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
- E04G5/00—Component parts or accessories for scaffolds
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
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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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G2003/286—Mobile scaffolds; Scaffolds with mobile platforms mobile vertically
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Movable Scaffolding (AREA)
Abstract
The invention relates to the technical field of building construction, in particular to an attached scaffold supporting mechanism at an overhead position of a high-altitude hall and a construction method, comprising a steel column, wall attaching components and limiting components, wherein the steel column is vertically arranged, steel beams are horizontally and symmetrically arranged on two sides of the steel column, the wall attaching components comprise a plurality of horizontal wall attaching components, the plurality of horizontal wall attaching components are respectively arranged on one side of the steel beams through hoop components, the limiting components are arranged on one side of the horizontal wall attaching components close to the hoop components, the limiting components comprise two movable blocks, a temporary stress transmission platform is constructed through the steel column and the steel beams, a new thought is provided for application of attached scaffolds, namely attachment of scaffold lifting is not dependent on the regularity of a building structure, continuous lifting can be realized on the attachment platform of artificial members in an irregular area, forward guiding is provided for application of novel templates such as inner climbing towers of the same type, climbing forms and the like while the application range of the self-body is enlarged, and the market popularization value is great.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an attached scaffold supporting mechanism at an overhead position of a high-altitude hall and a construction method.
Background
In recent years, with the development of cities, the proportion of high-rise buildings and super high-rise building engineering projects is increased, so that higher requirements are put forward on external protection in the construction process, the conveniently and reliably attached lifting scaffold gradually replaces the overhanging scaffold, the overhanging scaffold is influenced by the use functions of the building and the aesthetic ideas of the building, the building is not well regulated and invariable in design, the design modeling of the interior and the exterior of the building is not standard, and once the building is in an nonstandard position, the attached scaffold is limited to lack of attachment points and is difficult to use;
the traditional method for solving the problem is to newly add concrete beams and columns, artificially create continuous and regular attachment points, manually dismantle the concrete beams and columns after the attached scaffold passes through the area, and the method has the advantages of larger material loss, longer construction period and larger dismantling construction danger.
Disclosure of Invention
The invention aims to provide an attached scaffold supporting mechanism at an overhead position of a high-altitude hall and a construction method, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: an overhead attached scaffold support mechanism for a high altitude lobby, the support mechanism comprising:
the steel columns are vertically arranged, and steel beams are horizontally and symmetrically arranged on two sides of each steel column;
the wall attaching assembly comprises a plurality of horizontal wall attaching parts, and the plurality of horizontal wall attaching parts are respectively arranged on one side of the steel beam through anchor ear assemblies;
the limiting assembly is arranged on one side, close to the hoop assembly, of the horizontal wall attaching piece and comprises two movable blocks.
Preferably, the horizontal wall attaching piece is horizontally arranged at the upper end of the steel beam, and one side of the horizontal wall attaching piece is provided with an assembly groove in a penetrating mode.
Preferably, the anchor ear assembly comprises a supporting plate and two connecting screws, and the upper ends of the two connecting screws respectively penetrate through the lower ends of two sides of the supporting plate.
Preferably, the horizontal wall-attached piece is located the equal level in assembly groove upper end and is equipped with the assembly plate, and the screw rod hole has all been seted up in the assembly plate center, and two connecting screw rod upper ends are run through the screw rod hole respectively and are cup jointed and are equipped with coupling nut.
Preferably, the two movable blocks are respectively and horizontally symmetrically arranged on two sides in the assembly groove, a bearing plate is vertically arranged on one side, close to the movable blocks, in the assembly groove, an adjusting screw is horizontally inserted into the center of the bearing plate through a bearing, and one side of the adjusting screw is arranged on one side of the adjusting screw through a threaded inserted movable block.
Preferably, the assembly groove is internally provided with sliding grooves close to both sides of the movable block horizontally, the movable block is positioned on one side of the sliding grooves and is horizontally provided with two sliding rods, and the two sliding rods penetrate through the splicing sliding grooves.
Preferably, the movable block is close to two limiting plates of equal vertical symmetry in girder steel one side, and the girder steel is "worker" font structure setting, and draw-in groove has all been seted up to two limiting plates one side, and the draw-in groove setting of girder steel upper end one side joint limiting plate.
Preferably, the movable block is horizontally provided with a positioning plate near the center of one side of the steel beam, the upper end of the connecting screw rod is penetrated and provided with a positioning groove, and the positioning plate is penetrated and connected with the positioning groove.
Preferably, the annular groove is formed in the center of the outer side of the connecting nut, a plurality of limiting grooves are symmetrically formed in the annular groove, a vertical plate is vertically arranged on one side of the upper end of the movable block, a limiting rod is horizontally arranged on one side of the vertical plate, close to the annular groove, of the vertical plate, and one side of the limiting rod is inserted into one side of the limiting groove.
The construction method of the attached scaffold at the overhead position of the high-altitude hall is applied to the attached scaffold supporting mechanism at the overhead position of the high-altitude hall, and comprises the following steps of:
step one: measuring and positioning, namely, in order to meet the installation precision of a steel structure, the used measuring instruments (total station, level gauge, measuring tape and the like) are subjected to strict check, can be used after the checking is qualified, accurately position the elevation and horizontal position of an embedded part according to a drawing of deepened design, and mark the embedded part with bright and firm colors;
step two: installing an embedded part, positioning and installing the embedded part according to a steel structure drawing of a deepened design, embedding the embedded part on a lower layer structure beam by a steel column, and anchoring the embedded part into the beam in a steel plate welded steel bar mode; the embedded part of the steel beam is welded on the SRC steel column by adopting a steel plate with the thickness of 12mm as a connecting plate;
step three: installing a main structure template and pouring concrete, removing a die, and installing the template after the embedded part of the steel column 1 and the main structure hiding engineering are checked and accepted together, wherein if the original structure template is an aluminum alloy template, when the embedded part is welded on the column, the local aluminum alloy template is replaced by a wood template for construction;
after the template is installed, the embedded parts at the joint of the steel column and the concrete structure are synchronously carried out along with the binding construction of the steel bars of the main body structure beam;
step four: installing a vertical steel column, installing a temporary steel column steel beam after the structural strength of main concrete reaches more than 10MPa, and hinging the steel column with a connecting plate on an embedded part through bolts M20 and M22, wherein the vertical verticality is required to be strictly corrected during the installation;
in the continuous multi-layer overhead structure, steel columns are installed in sections on different floors, and are hinged and lengthened through bolts in a connecting plate mode, so that follow-up disassembly and turnover are facilitated;
step five: installing a horizontal steel beam, and installing the horizontal steel beam and diagonal bracing reinforcing members thereof after the steel column is installed, wherein all the members are connected by adopting M20 and M22 bolts;
step six: the horizontal wall-attached parts of the climbing frame are hooped on the steel beam, and are connected with the supporting plates through the connecting screw rods to form a hoop form to be attached on the steel beam, so that the reliable attachment of the horizontal wall-attached parts of the climbing frame is realized;
the movable block is pushed to move to one side of the steel beam through the adjusting screw rod, the movable block is clamped with the steel beam through the clamping groove of the limiting plate, the anti-rotation limiting of the horizontal wall-attached piece is completed, the limiting rod is synchronously driven to be inserted into the limiting groove of the connecting nut, the connection stability of the connecting screw rod is enhanced, and the safety of the device is improved;
step seven: before the climbing frame is lifted, the additional temporary steel structure system is comprehensively checked, special persons are arranged to observe the deformation condition of the steel column steel beam in the lifting process, and the frame body is stably lifted under the condition of ensuring no loss;
the attachment device is checked regularly in the use process of the climbing frame, the large deformation is found to report the project part in time, the climbing frame is immediately stopped for use, and the climbing frame is put into use after unsafe factors are eliminated;
step eight: the temporary steel structure support is removed, turnover is used, the climbing frame is lifted along with the floor structure, when the temporary steel structure system is not subjected to adhesive force any more, the temporary steel structure is removed, the electric hoist lifting equipment is arranged in the floor and matched with the steel beam and steel column to be removed according to a set removing scheme, each component is carefully protected in the removing process and is not allowed to be disassembled by violent force, after the temporary steel structure system is removed, each component and each part are classified and stacked, the damage condition of each component is inspected, if the damage is too large, the temporary steel structure system is replaced in time, and the damage condition is transferred to the upper floor in a controllable range for continuous turnover use.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, a temporary stress transmission platform is constructed through the steel column and the steel beam, a new thought is provided for the application of the attached scaffold, namely, the attachment of scaffold lifting is not dependent on the regularity of a building structure, continuous lifting can be realized on the artificial member regular lifting attachment platform in an irregular area, forward guidance is provided for the application of novel templates such as inner climbing tower cranes and climbing molds of the same type while the application range of the scaffold is enlarged, and the significance of market popularization value is higher;
2. the invention adopts the light high-strength steel structure material, changes the construction process of adopting a newly added concrete beam column in the traditional process, increases the turnover utilization rate of the material, reduces the cost, hardly generates waste products after construction, adopts the I-steel structure to bear load, is matched with the anchor ear component and the limit component, strengthens the stability and the strength of installation, is reliable and durable, has the strength enough to meet the requirements, is convenient to dismantle and install, has convenient and safe construction process, does not need to set up a support die frame and an operation frame for the traditional concrete structure construction, does not have dangerous operations such as edge picking and chiseling operation, and effectively improves the safe civilized construction level of a construction site.
3. The invention adopts the steel structure platform, the lifting can be carried out after the installation is completed, the installation process only needs 0.2 to 0.5 day, and the construction period of 0.5 to 0.8 day can be saved for each layer on average.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the connection structure of the horizontal wall-attached member of the present invention;
FIG. 3 is a schematic view of a connection structure between a limiting assembly and a steel beam according to the present invention;
FIG. 4 is a schematic diagram of a connection structure between a limiting assembly and a hoop assembly according to the present invention;
FIG. 5 is a schematic diagram of the movable block structure of the present invention.
In the figure: steel column 1, girder steel 2, level attaches wall piece 3, movable block 4, assembly groove 5, layer board 6, connecting screw rod 7, assembly plate 8, coupling nut 9, bearing plate 10, adjusting screw rod 11, spout 12, slide bar 13, limiting plate 14, draw-in groove 15, locating plate 16, constant head tank 17, ring channel 18, spacing groove 19, riser 20, gag lever post 21.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present application provides the following five preferred embodiments.
Example 1
An overhead department attached scaffold supporting mechanism of high altitude hall, supporting mechanism includes:
the steel column 1 is vertically arranged, and steel beams 2 are horizontally and symmetrically arranged on two sides of the steel column 1;
the wall attaching assembly comprises a plurality of horizontal wall attaching pieces 3, the plurality of horizontal wall attaching pieces 3 are respectively arranged on one side of the steel beam 2 through hoop assemblies, the horizontal wall attaching pieces 3 are horizontally arranged at the upper end of the steel beam 2, an assembly groove 5 is formed in a penetrating mode on one side of the horizontal wall attaching pieces 3, the hoop assemblies comprise supporting plates 6 and two connecting screws 7, the upper ends of the two connecting screws 7 are respectively arranged at the lower ends of two sides of the supporting plates 6 in a penetrating mode, assembly plates 8 are horizontally arranged at the upper ends of the horizontal wall attaching pieces 3, screw holes are formed in the centers of the assembly plates 8 in a penetrating mode, and connecting nuts 9 are sleeved at the upper ends of the two connecting screws 7 in a penetrating mode;
the limiting component is arranged on one side of the horizontal wall attaching piece 3, which is close to the hoop component, and comprises two movable blocks 4, wherein the two movable blocks 4 are respectively and symmetrically arranged on two sides in the assembly groove 5, a bearing plate 10 is vertically arranged on one side of the assembly groove, which is close to the movable block 4, the center of the bearing plate 10 is horizontally inserted with an adjusting screw 11 through a bearing, and one side of the adjusting screw 11 is arranged on one side of the adjusting screw through a threaded insertion movable block 4.
The construction method of the attached scaffold at the overhead position of the high-altitude hall is applied to the attached scaffold supporting mechanism at the overhead position of the high-altitude hall, and comprises the following steps of:
step one: and (3) measuring and positioning, wherein in order to meet the installation precision of the steel structure, the used measuring instruments (total station, level gauge, measuring tape and the like) are subjected to strict check, and can be used after the check is qualified. According to the drawing of the deepened design, accurately positioning the elevation and horizontal position of the embedded part, and marking the embedded part by using bright and firm colors;
step two: installing an embedded part, positioning and installing the embedded part according to a steel structure drawing of a deepened design, embedding the embedded part on a lower-layer structural beam by a steel column 1, and anchoring the embedded part into the beam in a steel plate welded steel bar mode; the embedded part of the steel beam 2 is welded on a steel column 1 in the SRC steel column 1 by adopting a steel plate with the thickness of 12mm as a connecting plate;
step three: installing a main structure template and pouring concrete, removing a die, and installing the template after the embedded part of the steel column 1 and the main structure hiding engineering are checked and accepted together, wherein if the original structure template is an aluminum alloy template, when the embedded part is welded on the column, the local aluminum alloy template is replaced by a wood template for construction;
after the template is installed, the embedded parts at the joint of the steel column 1 and the concrete structure are synchronously carried out along with the binding construction of the steel bars of the main body structure beam;
step four: installing a vertical steel column 1, installing a temporary steel column 1 steel beam 2 after the structural strength of main concrete reaches more than 10MPa, and hinging the steel column 1 with a connecting plate on an embedded part through bolts M20 and M22, wherein the vertical verticality is strictly corrected during the installation;
in the continuous multi-layer overhead structure, the steel columns 1 are installed in sections on different floors, and the steel columns 1 are connected by bolt hinges in a connecting plate mode, so that the follow-up disassembly and turnover are convenient;
step five: installing the horizontal steel beam 2, and installing the horizontal steel beam 2 and diagonal bracing reinforcing members thereof after the steel column 1 is installed, wherein all the members are connected by adopting M20 and M22 bolts;
step six: the climbing frame horizontal wall-attached piece 3 is hooped on the steel beam 2, and the climbing frame horizontal wall-attached piece 3 is connected with the supporting plate 6 through the connecting screw 7 to form a hoop form to be attached on the steel beam 2, so that the climbing frame horizontal wall-attached piece 3 can be reliably attached;
the movable block 4 is pushed to move to one side of the steel beam 2 through the adjusting screw 11 and is clamped with the steel beam 2 through the clamping groove 15 of the limiting plate 14, so that the anti-rotation limiting of the horizontal wall attaching piece 3 is completed, the limiting rod 21 is synchronously driven to be inserted into the limiting groove 19 of the connecting nut 9, the connection stability of the connecting screw 7 is enhanced, and the safety of the device is improved;
step seven: before the climbing frame is lifted, the additional temporary steel structure system is comprehensively checked, special persons are arranged to observe the deformation condition of the steel beam 2 of the steel column 1 in the lifting process, and the frame body is stably lifted under the condition of ensuring no loss;
the attachment device is checked regularly in the use process of the climbing frame, the large deformation is found to report the project part in time, the climbing frame is immediately stopped for use, and the climbing frame is put into use after unsafe factors are eliminated;
step eight: the temporary steel structure support is removed, turnover is used, the climbing frame is lifted along with the floor structure, when the temporary steel structure system is not subjected to adhesive force any more, the temporary steel structure is removed, the electric hoist lifting equipment is arranged in the floor and matched with the steel beam 2 and the steel column 1 to be removed according to a set removing scheme, each component is carefully protected in the removing process, violent and brute force disassembly is not allowed, after the temporary steel structure system is removed, each component and each part are classified and coded, the damage condition of each component is checked, if the damage condition is too large, the temporary steel structure system is timely replaced, and the damage condition is transferred to the upper floor in a controllable range for continuous turnover use.
Example two
On the basis of the first embodiment, sliding grooves 12 are horizontally formed in the two sides, close to the movable block 4, of the assembly groove 5, two sliding rods 13 are horizontally arranged on one side, located on the sliding grooves 12, of the movable block 4, and the two sliding rods 13 penetrate through the insertion sliding grooves 12 to guide the movable block 4 stably and movably.
Example III
On the basis of embodiment two, the movable block 4 is close to two limiting plates 14 of equal vertical symmetry in girder steel 2 one side, and girder steel 2 is "worker" font structure setting, and draw-in groove 15 has all been seted up to two limiting plates 14 one side, and the draw-in groove 15 setting of girder steel 2 upper end one side joint limiting plate 14, avoids the level to attach wall piece 3 and takes place rotatory skew, and is spacing more firm, and to not equidimension girder steel 2 adaptability greatly increased.
Example IV
On the basis of the third embodiment, the movable block 4 is horizontally provided with a positioning plate 16 near the center of one side of the steel beam 2, the upper end of the connecting screw rod 7 is penetrated and provided with a positioning groove 17, and the positioning plate 16 is penetrated and connected with the positioning groove 17, so that the installation of the connecting screw rod 7 is movably limited, and looseness caused by vibration is avoided.
Example five
On the basis of the fourth embodiment, the annular groove 18 is formed in the center of the outer side of the connecting nut 9, a plurality of limiting grooves 19 are symmetrically formed in the annular groove 18, the vertical plate 20 is vertically arranged on one side of the upper end of the movable block 4, the limiting rod 21 is horizontally arranged on one side of the vertical plate 20 close to the annular groove 18, one side of the limiting rod 21 is inserted into one side of the limiting groove 19, and the connection of the connecting screw 7 is stably reinforced, so that the safety is improved.
When the steel structure is used, measurement positioning is carried out, in order to meet the installation precision of a steel structure, the used measuring instruments (total station, level gauge, measuring tape and the like) are subjected to strict check, the steel structure can be used after being checked to be qualified, the elevation and horizontal position of an embedded part are accurately positioned according to a drawing of the deepened design, the embedded part is installed by marking with bright and firm colors, the embedded part is installed according to the drawing of the deepened steel structure, the embedded part is embedded on a lower-layer structural beam by a steel column 1, and the embedded part is in the form of a steel plate welded reinforcing steel bar anchored into the beam; the embedded part of the steel beam 2 is welded on a steel column 1 in the SRC steel column 1 by adopting a steel plate with the thickness of 12mm as a connecting plate, the main structure template is installed, concrete pouring and demoulding are carried out, the embedded part of the steel column 1 and the main structure concealing engineering are checked and accepted together, then the template is installed, if the original structure template is an aluminum alloy template, when the embedded part is welded on the column, the local aluminum alloy template is replaced by a wood template for construction, after the template installation is completed, the embedded part at the joint of the steel column 1 and the concrete structure is synchronously carried out along with the binding construction of the steel bar of the main structure, the vertical steel column 1 is installed, the temporary steel column 1 steel beam 2 is installed after the main concrete structure strength reaches more than 10MPa, the steel column 1 is hinged with the connecting plate on the embedded part through bolts of M20 and M22, the vertical verticality is strictly corrected during the installation, in the continuous multi-layer overhead structure, the steel column 1 is installed in sections according to floors, bolts are hinged and lengthened among the steel columns 1 in a mode of connecting plates, follow-up disassembly and turnover are facilitated, horizontal steel beam 2 installation is carried out, after the steel column 1 is installed, horizontal steel beam 2 and diagonal bracing reinforcing members thereof are installed, all the members are connected by adopting M20 and M22 bolts, the climbing frame horizontal wall attaching piece 3 is hooped on the steel beam 2, the climbing frame horizontal wall attaching piece 3 is connected with the supporting plate 6 through the connecting screw 7 to form the hooped form and attached to the steel beam 2, so that reliable attachment of the climbing frame horizontal wall attaching piece 3 is realized, the movable block 4 is pushed to one side of the steel beam 2 through the adjusting screw 11, the movable block is clamped with the steel beam 2 through the clamping groove 15 of the limiting plate 14, anti-rotation limiting of the horizontal wall attaching piece 3 is completed, the limiting rod 21 is synchronously driven to be inserted into the limiting groove 19 of the connecting nut 9, the connection stability of the connecting screw 7 is reinforced, the safety of the device is improved, the climbing frame is used and lifted, before the climbing frame is lifted, the additional temporary steel structure system is comprehensively checked, special persons are arranged to observe the deformation condition of the steel beam 2 of the steel column 1 in the lifting process, the frame body is stably lifted under the condition of ensuring no loss, the attaching device is periodically checked during the use process of the climbing frame, the large deformation is found to report project parts in time, the climbing frame is immediately stopped for use, unsafe factors are eliminated and then put into use, the temporary steel structure support is removed and turnover is used, after the climbing frame is lifted along with the floor structure, when the temporary steel structure system does not bear adhesive force any more, the temporary steel structure is removed, the electric hoist lifting equipment is arranged in the floor and matched with the removal work of the steel beam 2 steel column 1, each component is protected in the removal process, the violent and the brute force removal are not allowed, after the temporary steel structure system is removed, the components and parts are classified, the damage parts are restored, the condition of each component is checked, if the damage is too large, the turnover condition is replaced in time, and the turnover is continued to be used to the floor in the controllable scope.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An overhead department attached scaffold supporting mechanism in high altitude hall, its characterized in that: the support mechanism includes:
the steel column (1), the steel column (1) is vertically arranged, and steel beams (2) are horizontally and symmetrically arranged on two sides of the steel column (1);
the wall attaching assembly comprises a plurality of horizontal wall attaching parts (3), and the plurality of horizontal wall attaching parts (3) are respectively arranged on one side of the steel beam (2) through hoop assemblies;
the limiting assembly is arranged on one side, close to the hoop assembly, of the horizontal wall-attached piece (3), and comprises two movable blocks (4);
the two movable blocks (4) are respectively and horizontally symmetrically arranged at two sides in the assembly groove (5), a bearing plate (10) is vertically arranged at one side, close to the movable blocks (4), in the assembly groove, an adjusting screw (11) is horizontally inserted into the center of the bearing plate (10) through a bearing, and one side of the adjusting screw (11) is arranged at one side of the movable block (4) through threaded insertion;
an assembly groove (5) is formed in one side of the horizontal wall-attached piece (3) in a penetrating mode, sliding grooves (12) are formed in the assembly groove (5) and are horizontally arranged on two sides, close to the movable blocks (4), of the assembly groove, two sliding rods (13) are horizontally arranged on one side, located on the sliding grooves (12), of the movable blocks (4), and the two sliding rods (13) are arranged in a penetrating mode through the insertion sliding grooves (12);
two limiting plates (14) are vertically and symmetrically arranged on one side, close to the steel beam (2), of the movable block (4), the steel beam (2) is in an I-shaped structure, clamping grooves (15) are formed in one side of the two limiting plates (14), and the clamping grooves (15) of the limiting plates (14) are clamped on one side of the upper end of the steel beam (2);
the steel column (1) is embedded with embedded parts on the lower-layer structural beam, the embedded parts are in the form of steel plates and welded steel bars which are anchored into the beam, and the embedded parts of the steel beam (2) are welded on the steel column (1) by adopting steel plates with the thickness of 12mm as connecting plates;
the steel column (1) is hinged with a connecting plate on the embedded part through bolts M20 and M22, and the vertical verticality is strictly corrected during installation;
installing a horizontal steel beam (2), and installing the horizontal steel beam (2) and diagonal bracing reinforcing members after the steel column (1) is installed, wherein all the members are connected by adopting M20 and M22 bolts;
the horizontal wall-attached piece (3) of the climbing frame is connected with the supporting plate (6) through the connecting screw (7) to form a hoop form to be attached to the steel beam (2) so as to realize the reliable attachment of the horizontal wall-attached piece (3) of the climbing frame.
2. An overhead attached scaffold support mechanism for a high altitude lobby according to claim 1, wherein: the horizontal wall-attached piece (3) is horizontally arranged at the upper end of the steel beam (2).
3. An overhead attached scaffold support mechanism for a high altitude lobby according to claim 2, wherein: the anchor ear assembly comprises a supporting plate (6) and two connecting screws (7), wherein the upper ends of the two connecting screws (7) respectively penetrate through the lower ends of two sides of the supporting plate (6).
4. A high-altitude lobby overhead attached scaffold support mechanism according to claim 3, wherein: the horizontal wall-attached piece (3) is located at the upper end of the assembly groove (5) and is horizontally provided with an assembly plate (8), screw holes are formed in the center of the assembly plate (8) in a penetrating mode, and connecting nuts (9) are sleeved at the upper ends of the two connecting screws (7) in a penetrating mode respectively.
5. The high-altitude lobby overhead attached scaffold support mechanism of claim 4, wherein: the movable block (4) is horizontally provided with a positioning plate (16) near the center of one side of the steel beam (2), the upper end of the connecting screw rod (7) is provided with a positioning groove (17) in a penetrating mode, and the positioning plate (16) is arranged in the positioning groove (17) in a penetrating mode.
6. The high-altitude lobby overhead attached scaffold support mechanism of claim 5, wherein: annular groove (18) have been seted up at coupling nut (9) outside center, and a plurality of spacing grooves (19) have been seted up to annular groove (18) in-symmetry, and movable block (4) upper end one side is vertical to be equipped with riser (20), and riser (20) are close to annular groove (18) one side level and are equipped with gag lever post (21), and gag lever post (21) one side grafting one side spacing groove (19) set up.
7. An attached scaffold construction method for overhead parts of high-altitude hall is characterized in that: the construction method of the attached scaffold at the overhead position of the high-altitude hall is applied to the attached scaffold supporting mechanism at the overhead position of the high-altitude hall, which is disclosed in any one of claims 1 to 6, and comprises the following steps:
step one: measuring and positioning, namely, in order to meet the installation precision of a steel structure, the used measuring instruments (total station, level gauge, measuring tape and the like) are subjected to strict check, can be used after the checking is qualified, accurately position the elevation and horizontal position of an embedded part according to a drawing of deepened design, and mark the embedded part with bright and firm colors;
step two: installing an embedded part, positioning and installing the embedded part according to a steel structure drawing of a deepened design, embedding the embedded part on a lower layer structure beam by a steel column (1), and anchoring the embedded part into the beam by a steel plate and welded steel bars; the embedded part of the steel beam (2) is welded on the SRC steel column (1) by adopting a steel plate with the thickness of 12mm as a connecting plate;
step three: installing a main structure template, pouring concrete, removing a mould, and installing the template after the embedded part of the steel column (1) and the main structure hiding engineering are checked and accepted together, wherein if the original structure template is an aluminum alloy template, when the embedded part is welded on the column, the local aluminum alloy template is replaced by a wood template for construction;
after the template is installed, the embedded parts at the joint of the steel column (1) and the concrete structure are synchronously carried out along with the binding construction of the main body structure beam steel bars;
step four: installing a vertical steel column (1), installing a temporary steel column (1) steel beam (2) after the structural strength of main concrete reaches more than 10MPa, and hinging the steel column (1) with a connecting plate on an embedded part through bolts M20 and M22, wherein the vertical verticality is required to be strictly corrected during the installation;
in the continuous multi-layer overhead structure, the steel columns (1) are installed in sections according to floors, and the steel columns (1) are hinged and lengthened through bolts in a connecting plate mode, so that follow-up disassembly and turnover are facilitated;
step five: installing a horizontal steel beam (2), and installing the horizontal steel beam (2) and diagonal bracing reinforcing members after the steel column (1) is installed, wherein all the members are connected by adopting M20 and M22 bolts;
step six: the climbing frame horizontal wall attaching piece (3) is hooped on the steel beam (2), the climbing frame horizontal wall attaching piece (3) is connected with the supporting plate (6) through the connecting screw (7) to form a hoop form to be attached on the steel beam (2), and therefore reliable attachment of the climbing frame horizontal wall attaching piece (3) is achieved;
the movable block (4) is pushed to move to one side of the steel beam (2) through the adjusting screw (11), the movable block is clamped with the steel beam (2) through the clamping groove (15) of the limiting plate (14), anti-rotation limiting of the horizontal wall-attached piece (3) is completed, the limiting rod (21) is synchronously driven to be inserted into the limiting groove (19) of the connecting nut (9), the connection stability of the connecting screw (7) is enhanced, and the safety of the device is improved;
step seven: before the climbing frame is lifted, the additional temporary steel structure system is comprehensively checked, special persons are arranged to observe the deformation condition of the steel beam (2) of the steel column (1) in the lifting process, and the frame body is stably lifted under the condition of ensuring no loss;
the attachment device is checked regularly in the use process of the climbing frame, the large deformation is found to report the project part in time, the climbing frame is immediately stopped for use, and the climbing frame is put into use after unsafe factors are eliminated;
step eight: the temporary steel structure support is removed, turnover is used, the climbing frame is lifted along with the floor structure, when the temporary steel structure system is not subjected to adhesive force any more, the temporary steel structure is removed, the electric hoist lifting equipment is arranged in the floor and matched with the steel beam (2) and the steel column (1) to be removed according to a set removing scheme, the components are protected in the removing process, the components are not allowed to be removed by violence or brute force, after the temporary steel structure system is removed, the components and parts are classified and stacked, the damage condition of the components is checked, if the damage is too large, the components are replaced in time, and the damage condition is transferred to the upper floor in a controllable range for continuous turnover use.
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| CN202211024736.3A CN115262942B (en) | 2022-08-25 | 2022-08-25 | Attached scaffold supporting mechanism at overhead part of high-altitude hall and construction method |
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| CN202211024736.3A CN115262942B (en) | 2022-08-25 | 2022-08-25 | Attached scaffold supporting mechanism at overhead part of high-altitude hall and construction method |
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| CN115262942B true CN115262942B (en) | 2023-07-11 |
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| CN115262942A (en) | 2022-11-01 |
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