CN116290336A - Steel structure cantilever and aerial single-point rotation installation method thereof - Google Patents
Steel structure cantilever and aerial single-point rotation installation method thereof Download PDFInfo
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- CN116290336A CN116290336A CN202310563338.7A CN202310563338A CN116290336A CN 116290336 A CN116290336 A CN 116290336A CN 202310563338 A CN202310563338 A CN 202310563338A CN 116290336 A CN116290336 A CN 116290336A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 79
- 239000010959 steel Substances 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000009434 installation Methods 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims description 41
- 230000008569 process Effects 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 238000005266 casting Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000011900 installation process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
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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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4114—Elements with sockets
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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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4114—Elements with sockets
- E04B1/4121—Elements with sockets with internal threads or non-adjustable captive nuts
-
- 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
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to the technical field of overhanging, and particularly discloses a steel structure overhanging and an aerial single-point rotation installation method thereof.
Description
Technical Field
The invention relates to the technical field of overhanging, in particular to a steel structure overhanging and an aerial single-point rotation installation method thereof.
Background
The overhanging is a building construction technical term, is an effect achieved by a building member through a inhaul cable structure or other structures, is one of common structural forms in engineering structures, such as a awning, a cornice, an outer balcony, a overhanging corridor and the like in building engineering, is formed by overhanging beams or plates from a main body structure to form a cantilever structure, is basically still a beam plate structure, and is a supporting part in the overhanging, the overhanging sometimes needs to rotate in the air in the installation process, so that the steel structure overhanging is installed in an air rotation mode, the steel structure overhanging is pre-embedded with prefabricated members on a wall body in advance, then a supporting steel frame of the overhanging is assembled with the prefabricated members through bolts, and then a panel is paved on the framework according to the requirements of the building.
The steel structure overhanging installation process needs to be matched with the prefabricated wall body through the prefabricated bolts, but the prefabricated bolts can generate deviation due to concrete pouring during the prefabricated installation, so that the stress of the prefabricated bolts cannot be uniform and consistent, and partial prefabricated bolts can be fatigued and broken in advance in the overhanging long-term use process, so that the steel structure overhanging is damaged, in addition, the steel structure overhanging needs to support a steel frame, the supporting steel frame needs to be hoisted through a crane due to the weight of the supporting steel frame, and the crane is difficult to align in the hoisting process, so that the installation efficiency of the supporting steel frame is low.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention aims to solve the technical problems that: how to solve the problem that the steel structure overhanging installation process is easy to damage.
In order to solve the technical problems, the invention adopts the following technical scheme: the steel structure cantilever comprises side sleeve pieces arranged on the left side and the right side of a prefabricated wall body and insertion holes formed in one side of the length direction of the prefabricated wall body, insertion pieces are inserted into the insertion holes and the two side sleeve pieces, one ends of the three insertion pieces are connected with steel frame bodies, a transverse truss is arranged between the three steel frame bodies, two steel frame bodies close to the outer side are connected with a connecting plate through a rotating shaft, the lower end of the connecting plate is connected with the prefabricated wall body through the rotating shaft, side brackets are arranged on the two sides of the connecting plate, and the two side brackets are connected with clamping mechanisms; the connecting component is clamped in the clamping mechanism, and the connecting component and the clamping mechanism are used for fixing the cantilever formed by the transverse truss and the steel framework body on the prefabricated wall body.
Preferably, the connecting component comprises a transverse connecting plate, the lower surface of the transverse connecting plate is symmetrically provided with a supporting plugboard about the vertical central line of the transverse connecting plate, two ends of the transverse connecting plate are provided with side plugboards perpendicular to the transverse connecting plate, two sides of the side plugboards are provided with side notches, and the side plugboards and the supporting plugboards form a parallel structure.
Preferably, the clamping mechanism comprises a support plate, side rectangular grooves are formed in two sides of the support plate, V-shaped clamping pieces are connected in the side rectangular grooves through rotating shafts, strip-shaped plug-ins are arranged at the upper ends of the V-shaped clamping pieces, and guide holes are formed in the upper surfaces of the support plate.
Preferably, two clamping mechanisms are arranged, the guide hole on each clamping mechanism is mutually inserted and connected with the side plugboard, and the side notch on the side plugboard is mutually clamped and connected with the strip-shaped plugboard.
Preferably, three inserts are provided, and the three inserts are provided with a notch, and the notch is clamped with the transverse connection plate.
Preferably, one side of the prefabricated wall body is symmetrically provided with a connection mechanism about the jack, the connection mechanism comprises a side support plate, one side of the side support plate is connected with the side surface of the prefabricated wall body, a first connection plate is arranged below the side support plate, one side of the first connection plate is connected with the side surface of the prefabricated wall body, a spring is connected below the first connection plate, the lower surface of the spring is connected with a second connection plate, one side of the second connection plate is connected with a T-shaped slider, two sides of the T-shaped slider are slidably connected with side sliding rails, two sides of the side sliding rails are connected with the side surface of the prefabricated wall body, through holes are formed in the side support plate, connection members are connected in the through holes, and one side of the vertical direction of each connection member is vertically connected with the second connection plate.
Preferably, the side of prefabricated wall body is close to the lower extreme and is provided with its vertically side guide block, side guide block is the shape structure that returns, and the shape inner chamber that returns of side guide block is inserted mutually and is closed with the board that props up, prop up and offer the perforation on the board, be provided with the bolt in the perforation, and the one end of bolt is connected with the pre-buried screw sleeve in the prefabricated wall body, bolt outer wall threaded connection has the nut, and the nut is located the outside of prop up the board.
Preferably, the side bracket is of an L-shaped structure, and the inner side of the side bracket in the horizontal direction is attached to the side wall of the prefabricated wall body.
Preferably, the steel frame body and the side surface of the prefabricated wall body form a rotating structure through the connecting plate.
The method for installing the steel structure overhanging air single-point rotation comprises the following steps:
s1: the method comprises the steps of pre-burying, wherein a threaded sleeve is pre-buried on the back surface of a prefabricated wall body in the casting process, then a jack is formed in the surface of the prefabricated wall body, and a shaft seat is pre-buried on the front surface of the prefabricated wall body and used for installing a connecting plate;
s2: the installation work comprises the steps of connecting a prepared connecting plate with a pre-buried shaft seat through a rotating shaft, inserting three plug-in units into an inserting hole and two side sleeve pieces respectively, connecting two steel framework bodies with the connecting plate through shaft seats and rotating shafts on the surfaces of the two steel framework bodies, pulling the plug-in units to enable a cantilever formed by a transverse truss and the steel framework bodies to rotate in the air, and enabling the cantilever to be connected with a prefabricated wall body preliminarily;
s3: after the three plug-ins are inserted into the jacks and the two side sleeve members, the prepared transverse connection plates are clamped into the notch, then the transverse connection plates are clamped into the notch, the supporting plug plates on the lower surfaces of the transverse connection plates can be inserted into the side guide blocks of the back-shaped structures, then the prepared bolts and the supporting plug plates are connected with the pre-buried threaded sleeves on the prefabricated wall bodies, then nuts are connected with the bolts in a threaded mode, the outer walls of the supporting plug plates can be limited by the bolts, the transverse connection plates are inserted into the guide holes through the side plug plates in the pressing process, then the V-shaped clamping pieces are extruded in the pressing process of the side plug plates, then the V-shaped clamping pieces can be inserted into the side notches through the rotating shafts, so that the cantilever formed by the transverse truss and the steel framework body can be fixedly connected with the prefabricated wall bodies through the connecting parts and the clamping mechanisms, the connecting members are pulled down in the pressing process, then the connecting members pull down the springs through the second connecting plates, and the upper ends of the connecting members are clamped with the side support plates at the same time, and the cantilever members can be rapidly fixed with the prefabricated wall bodies.
Compared with the prior art, the invention has at least the following advantages:
1. according to the invention, the plug-in unit is respectively inserted into the jack and the two side sleeve pieces, then the two steel frame bodies are connected with the connecting plate through the shaft seat and the rotating shaft on the surfaces of the two steel frame bodies, so that the cantilever formed by the transverse truss and the steel frame bodies can be rotated in the air by pulling the plug-in unit, then the plug-in unit is inserted into the jack and the two side sleeve pieces, then the connecting part is clamped into the notch, and the connecting part can connect the clamping mechanism with the connecting mechanism, so that the cantilever is fixed in a crossing manner through the connecting part, the clamping mechanism and the connecting mechanism, and the cantilever does not need to be connected and fixed through bolts, so that the damage to the cantilever caused by uneven stress of the bolts is avoided.
2. According to the invention, the connecting member is pulled down in the downward moving process through the transverse connecting plate, then the connecting member pulls down the spring through the second connecting plate, and meanwhile, the upper end of the connecting member is clamped with the side supporting plate, so that the cantilever can be quickly fixed with the back surface of the prefabricated wall, the cantilever formed by the transverse truss and the steel framework body is quickly positioned and connected with the prefabricated wall, the positioning and mounting of a crane are omitted in the cantilever mounting, and then the mounting efficiency of the steel framework body is greatly improved.
Drawings
Fig. 1 is a schematic view of the whole device structure of the present invention.
Fig. 2 is a block diagram of a prefabricated wall and a connection panel according to the present invention.
Fig. 3 is a block diagram of the cross truss and steel truss body of the present invention.
Fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present invention.
FIG. 5 is a block diagram of a prefabricated wall and side blocks of the present invention.
Fig. 6 is a bottom view of the present invention.
Fig. 7 is a structural view of the connecting member of the present invention.
FIG. 8 is a front view of the engagement mechanism of the present invention.
FIG. 9 is a block diagram of the engagement mechanism of the present invention.
Fig. 10 is a block diagram of a prefabricated wall and jack according to the present invention.
Fig. 11 is a structural view of the side bracket and the V-clip of the present invention.
Fig. 12 is a structural view of the support plate and the guide hole of the present invention.
In the figure, 1, prefabricating a wall body; 2. a transverse truss; 3. a steel frame body; 4. a jack; 5. a side sleeve; 6. a connecting member; 601. a transverse connection plate; 602. a support plugboard; 603. a side plugboard; 604. a side notch; 7. a clamping mechanism; 701. a support plate; 702. a V-shaped clamping piece; 703. a guide hole; 704. a strip-shaped plug-in; 705. a side rectangular groove; 8. a side bracket; 9. a connecting plate; 10. an insert; 11. a groove is formed; 12. a linking mechanism; 1201. a joining member; 1202. a side support plate; 1203. a first connection plate; 1204. a side rail; 1205. a spring; 1206. a second connecting plate; 1207. a T-shaped slider; 13. a side guide block; 14. a bolt; 15. and (3) a nut.
Detailed Description
The present invention will be described in further detail below.
As shown in figures 1-12 of the drawings,
example 1: the steel construction encorbelments, including installing the side external member 5 in prefabricated wall body 1 left and right sides and seting up jack 4 in prefabricated wall body 1 length direction one side, jack 4 and two all insert 10 in the side external member 5, three an front end of insert 10 all is connected with steel framework 3, and three be provided with horizontal truss 2 between the steel framework 3, wherein be close to two of outside left and right sides steel framework 3 is connected with connecting plate 9 through the pivot, the lower extreme of connecting plate 9 is connected with prefabricated wall body 1 through the pivot, the left and right sides of connecting plate 9 is provided with side support 8, and two side support 8 all is connected with joint mechanism 7.
The connecting part 6 is clamped in the clamping mechanism 7, and the connecting part 6 and the clamping mechanism 7 are used for fixing the cantilever formed by the transverse truss 2 and the steel framework body 3 on the prefabricated wall body 1.
The structure is as follows: the steel structure cantilever formed by the transverse truss 2 and the steel framework body 3 is mutually inserted with the insertion hole 4 on the prefabricated wall body 1, and the problem of fracture caused by bolt connection is avoided by changing the connection mode of the cantilever and the prefabricated wall body 1.
The connecting part 6 comprises a transverse connecting plate 601, the lower surface of the transverse connecting plate 601 is symmetrically provided with a supporting plug board 602 about the vertical central line of the transverse connecting plate, two ends of the transverse connecting plate 601 are provided with side plug boards 603 perpendicular to the transverse connecting plate, two sides of the side plug boards 603 are provided with side notches 604, and the side plug boards 603 and the supporting plug boards 602 form a parallel structure.
The structure is as follows: the plug-in components 10 can be connected with joint mechanism 7 when fixed through connecting component 6, and the connecting plate 9 of steel framework 3 connection carries out fixed connection through joint mechanism 7 on the side stand 8 and connecting component 6 like this, and plug-in components 10 on the steel framework 3 can be fixed once more through connecting component 6 simultaneously, and the cantilever of horizontal truss 2 and steel framework 3 constitution can be fixed connection steadily like this.
The clamping mechanism 7 comprises a support plate 701, side rectangular grooves 705 are formed in two sides of the support plate 701, V-shaped clamping pieces 702 are connected in the side rectangular grooves 705 through rotating shafts, strip-shaped plug-in pieces 704 are arranged at the upper ends of the V-shaped clamping pieces 702, and guide holes 703 are formed in the upper surface of the support plate 701.
The two clamping mechanisms 7 are provided, the guide holes 703 on the clamping mechanisms 7 are mutually inserted and connected with the side inserting plates 603, and the side notches 604 on the side inserting plates 603 are mutually clamped and connected with the strip-shaped inserting pieces 704.
The structure is as follows: the plug-in unit 10 is inserted into the jack 4 and two side sleeve members 5, then the plug-in unit is clamped with the notch 11 on the plug-in unit 10 through the transverse connection plate 601, the support plug-in board 602 on the transverse connection plate 601 can be in butt joint with the side guide block 13, then the side plug-in board 603 is inserted into the guide hole 703, the side plug-in board 603 can extrude the V-shaped clamping piece 702, the V-shaped clamping piece 702 can extrude the rear to insert the strip-shaped plug-in unit 704 into the side notch 604 through the rotating shaft, the connecting part 6 can connect the clamping mechanism 7 on the side support 8, meanwhile, the connecting part 6 can clamp the plug-in unit 10, and therefore overhanging can be conveniently fixed through the staggered fixation of the connecting part 6 and the plug-in unit 10 and the clamping mechanism 7.
The number of the plug-in units 10 is three, the three plug-in units 10 are provided with the notch 11, and the notch 11 is clamped with the transverse connection plate 601.
The structure is as follows: the steel frame body 3 connected with the plug-in 10 can be rapidly limited and fixed through the notch 11 and the transverse connection plate 601.
One side of prefabricated wall body 1 is provided with linking mechanism 12 about jack 4 symmetry, linking mechanism 12 includes side support board 1202, one side of side support board 1202 is connected with prefabricated wall body 1's side, the below of side support board 1202 is provided with first connecting plate 1203, one side of first connecting plate 1203 is connected with prefabricated wall body 1's side, be connected with spring 1205 below first connecting plate 1203, and the lower surface of spring 1205 is connected with second connecting plate 1206, and one side of second connecting plate 1206 is connected with T type slider 1207, the both sides sliding connection of T type slider 1207 has sideslip rail 1204, and two one side of sideslip rail 1204 is connected with prefabricated wall body 1's side, the through-hole has been seted up on the side support board 1202, be connected with linking member 1201 in the through-hole, one side of linking member 1201's vertical direction is connected with second connecting plate 1206 perpendicularly.
The structure is as follows: when the plug-in 10 and the support plate 701 are fixed through the connecting component 6, the connecting member 1201 is pulled down by the transverse connecting plate 601 in the downward moving process, then the spring 1205 is pulled down by the connecting member 1201 through the second connecting plate 1206, and meanwhile, the upper end of the connecting member 1201 is clamped with the side support plate 1202, so that the cantilever can be quickly fixed with the back surface of the prefabricated wall 1, and the cantilever formed by the transverse truss 2 and the steel frame 3 is quickly and fixedly connected with the prefabricated wall 1 in all directions.
The side of prefabricated wall body 1 is close to the lower extreme and is provided with side guide block 13 rather than perpendicular, side guide block 13 is the shape structure that returns, and the shape inner chamber that returns of side guide block 13 is inserted mutually and close with a picture peg 602, set up the perforation on the picture peg 602, be provided with bolt 14 in the perforation, and the one end of bolt 14 is connected with the screw sleeve pre-buried in the prefabricated wall body 1, bolt 14 outer wall threaded connection has nut 15, and nut 15 is located the outside of picture peg 602.
The structure is as follows: after the support insert plate 602 is inserted into the side guide 13, the bolt 14 is then rotatably connected with a screw sleeve pre-embedded in the prefabricated wall 1, and then the nut 15 is rotatably connected with the bolt 14, so that the connecting component 6 is fixedly connected with the prefabricated wall 1 under the action of the bolt 14 and the nut 15. So that the overhanging formed by the prefabricated wall body 1, the transverse truss 2 and the steel framework body 3 is conveniently connected.
The side support 8 is of an L-shaped structure, and the inner side of the side support 8 in the horizontal direction is attached to the side wall of the prefabricated wall body 1.
The structure is as follows: the side support 8 that connects through connecting plate 9 can laminate prefabricated wall body 1's side displacement, and the joint mechanism 7 that side support 8 connects can carry out convenient connection with adapting unit 6 simultaneously, and joint mechanism 7 can fix a position fixedly steel framework 3 like this.
The steel frame body 3 and the side surface of the prefabricated wall body 1 form a rotating structure through a connecting plate 9.
The structure is as follows: when the cantilever formed by the transverse truss 2 and the steel frame bodies 3 is installed, the cantilever is rotationally connected with the two steel frame bodies 3 through the connecting plates 9, so that the cantilever can rotate in the air, and the cantilever can be installed rapidly.
Example 2: the method for installing the steel structure overhanging air single-point rotation comprises the following steps:
s1: the method comprises the steps of pre-burying, namely casting a prefabricated wall body 1 to form, pre-burying a threaded sleeve on the back surface of the prefabricated wall body 1 in the casting process, providing a jack 4 on the surface of the prefabricated wall body 1, and pre-burying a shaft seat in front of the prefabricated wall body 1, wherein the shaft seat is used for installing a connecting plate 9;
s2: the installation work comprises the steps of connecting a prepared connecting plate 9 with a pre-buried shaft seat through a rotating shaft, inserting three plug-in components 10 into a jack 4 and two side sleeve members 5 respectively, connecting two steel frame bodies 3 with the connecting plate 9 through shaft seats and rotating shafts on the surfaces of the plug-in components, pulling the plug-in components 10 to rotate a cantilever formed by a transverse truss 2 and the steel frame bodies 3 in the air, and then preliminarily connecting the cantilever with a prefabricated wall body 1;
s3: after three plug-in units 10 are inserted into the insertion holes 4 and the two side sleeve units 5, the prepared transverse connection plate 601 is clamped into the notch 11, then the strip-shaped plug-in units 602 on the lower surface of the transverse connection plate 601 can be inserted into the side guide blocks 13 of the return structure after being clamped into the notch 11, then the prepared bolt 14 and the plug-in units 602 are connected with the pre-embedded threaded sleeves on the prefabricated wall 1, then the nuts 15 and the bolts 14 are connected in a threaded manner, the outer wall of the plug-in units 602 can be limited by the bolts 14, the transverse connection plate 601 is inserted into the guide holes 703 through the side plug-in plates 603 in the pressing process, then the V-shaped clamping pieces 702 are extruded in the pressing process, then the strip-shaped plug-in units 704 can be inserted into the side notch 604 through the rotating shafts, thus the cantilever members 1201 consisting of the transverse trusses 2 and the steel frame bodies 3 can be fixedly connected with the wall 1 through the connecting parts 6 and the clamping mechanisms 7, the transverse connection plate 601 can be pulled down in the pressing process, then the cantilever members 1201 can be quickly connected with the prefabricated wall 1201 through the second cantilever connection plate 1201, and the cantilever connection plate 1201 can be quickly connected with the prefabricated wall 1201 through the springs 1201, and the upper connection plate 1201 can be connected with the prefabricated wall 1201, and the prefabricated wall body 1201 can be connected with the side connection plate 1201, and the side is fixed.
Working principle: when the steel structure is required to be overhung and mounted, the prepared connecting plate 9 is connected with the pre-buried shaft seat through the rotating shaft, then three plug-in components 10 are respectively inserted into the jack 4 and the two side sleeve members 5, then the two steel frame bodies 3 are connected with the connecting plate 9 through the shaft seat and the rotating shaft on the surfaces of the plug-in components 10, so that the overhung formed by the transverse truss 2 and the steel frame bodies 3 can be rotated in the air by pulling the plug-in components 10, then the overhung can be preliminarily connected with the prefabricated wall body 1, after the three plug-in components 10 are inserted into the jack 4 and the two side sleeve members 5, the prepared transverse connecting plate 601 is clamped into the notch 11, then the branch plug-in board 602 on the lower surface of the transverse connecting plate 601 is inserted into the side guide block 13 of the square structure after being clamped into the notch 11, then the prepared bolts 14 are connected with the branch plug-in boards 602 and the pre-buried threaded sleeves on the prefabricated wall body 1, then the nut 15 is connected with the bolt 14 in a threaded way, so that the bolt 14 can limit the outer wall of the support plug board 602, the transverse connection board 601 is inserted into the guide hole 703 through the side plug board 603 in the pressing process, then the V-shaped clamping piece 702 is extruded by the side plug board 603 in the pressing process, then the V-shaped clamping piece 702 can insert the strip-shaped inserting piece 704 into the side notch 604 through the rotating shaft, the cantilever formed by the transverse truss 2 and the steel framework 3 can be fixedly connected with the prefabricated wall 1 through the connecting part 6 and the clamping mechanism 7, the transverse connection board 601 pulls down the connecting member 1201 in the pressing process, then the connecting member 1201 pulls down the spring 1205 through the second connecting board 1206, meanwhile, the upper end of the connecting member 1201 is clamped with the side support board 1202, the cantilever can be quickly fixed with the prefabricated wall 1, the construction principle of the steel structure overhanging and air single-point rotation installation method thereof is that the steel structure overhanging and the air single-point rotation installation method thereof are constructed.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (10)
1. The steel structure cantilever is characterized in that,
the prefabricated wall comprises side sleeve members (5) arranged on the left side and the right side of the prefabricated wall body (1) and insertion holes (4) formed in one side of the prefabricated wall body (1) in the length direction, insertion holes (4) and two side sleeve members (5) are respectively internally provided with an insertion piece (10), one end of each insertion piece (10) is connected with a steel framework body (3), a transverse truss (2) is arranged between each two steel framework bodies (3), two steel framework bodies (3) close to the outer side are connected with a connecting plate (9) through a rotating shaft, the lower ends of the connecting plates (9) are connected with the prefabricated wall body (1) through rotating shafts, two sides of each connecting plate (9) are provided with side supports (8), and two side supports (8) are connected with clamping mechanisms (7);
the connecting component (6) is clamped in the clamping mechanism (7), and the connecting component (6) and the clamping mechanism (7) are used for fixing overhanging formed by the transverse truss (2) and the steel framework (3) on the prefabricated wall body (1).
2. The steel structure cantilever according to claim 1, wherein: the connecting component (6) comprises a transverse connecting plate (601), support inserting plates (602) are symmetrically arranged on the lower surface of the transverse connecting plate (601) relative to the vertical central line of the transverse connecting plate, side inserting plates (603) perpendicular to the transverse connecting plate are arranged at two ends of the transverse connecting plate (601), side notches (604) are formed in two sides of the side inserting plates (603), and the side inserting plates (603) and the support inserting plates (602) form a parallel structure.
3. The steel structure cantilever according to claim 2, wherein: the clamping mechanism (7) comprises a support plate (701), side rectangular grooves (705) are formed in two sides of the support plate (701), V-shaped clamping pieces (702) are connected in the two side rectangular grooves (705) through rotating shafts, strip-shaped plug-in pieces (704) are arranged at the upper ends of the two V-shaped clamping pieces (702), and guide holes (703) are formed in the upper surface of the support plate (701).
4. A steel structure cantilever according to claim 3, wherein: the clamping mechanisms (7) are provided with two guide holes (703) on each clamping mechanism (7) and the side plugboards (603) are mutually inserted and connected, and side notches (604) on the side plugboards (603) are mutually clamped and connected with the strip-shaped plugboards (704).
5. The steel structure cantilever according to claim 4, wherein: the number of the plug-in components (10) is three, all offer on three plug-in components (10) and lack groove (11), lack groove (11) looks joint with cross-connect board (601).
6. The steel structure cantilever according to claim 5, wherein: one side of prefabricated wall body (1) is provided with linking mechanism (12) with respect to jack (4) symmetry, linking mechanism (12) includes side support board (1202), one side of side support board (1202) is connected with the side of prefabricated wall body (1), the below of side support board (1202) is provided with first connecting plate (1203), one side of first connecting plate (1203) is connected with the side of prefabricated wall body (1), be connected with spring (1205) below first connecting plate (1203), and the lower surface of spring (1205) is connected with second connecting plate (1206), and one side of second connecting plate (1206) is connected with T type slider (1207), the both sides sliding connection of T type slider (1207) has sideslip rail (1204), and two one side of sideslip rail (1204) is connected with the side of prefabricated wall body (1), the through-hole has been seted up on side support board (1202), be connected with component (1201) in the through-hole, one side of linking component (1201) vertical direction is connected with second connecting plate (1206).
7. The steel structure cantilever according to claim 6, wherein: the side of prefabricated wall body (1) is close to the lower extreme and is provided with side guide block (13) rather than vertically, side guide block (13) are the shape structure that returns, and the shape inner chamber that returns of side guide block (13) is inserted mutually with prop up picture peg (602), prop up and offer the perforation on picture peg (602), be provided with bolt (14) in the perforation, and the one end of bolt (14) is connected with the screw sleeve of pre-buried in prefabricated wall body (1), bolt (14) outer wall threaded connection has nut (15), and nut (15) are located the outside of prop up picture peg (602).
8. The steel structure cantilever according to any one of claims 1-7, wherein: the side support (8) is of an L-shaped structure, and the inner side of the side support (8) in the horizontal direction is attached to the side wall of the prefabricated wall body (1).
9. The steel structure cantilever according to any one of claims 1-7, wherein: the steel framework body (3) and the side surface of the prefabricated wall body (1) form a rotating structure through the connecting plate (9).
10. The method for installing the steel structure cantilever in single-point rotation in the air as claimed in claim 7, wherein the method comprises the following steps:
s1: the method comprises the following steps of pre-burying, wherein in the casting process of a prefabricated wall body (1), a threaded sleeve is pre-buried on the back surface of the prefabricated wall body, then a jack (4) is formed in the surface of the prefabricated wall body (1), and a shaft seat is pre-buried in the front surface of the prefabricated wall body (1) and is used for installing a connecting plate (9);
s2: the installation work comprises the steps of connecting a prepared connecting plate (9) with a pre-buried shaft seat through a rotating shaft, then respectively inserting three plug-in units (10) into a jack (4) and two side sleeve members (5), connecting two steel frame bodies (3) with the connecting plate (9) through shaft seats and rotating shafts on the surfaces of the plug-in units (10), pulling the plug-in units (10) to rotate overhanging consisting of a transverse truss (2) and the steel frame bodies (3) in the air, and then preliminarily connecting the overhanging with a prefabricated wall body (1);
s3: after three plug-ins (10) are inserted into the jack (4) and two side sleeve members (5), the prepared transverse connecting plate (601) is clamped into the notch (11), then the transverse connecting plate (601) is clamped into the notch (11), the support plug-in plate (602) on the lower surface of the transverse connecting plate can be inserted into the side guide block (13) of the return structure after the transverse connecting plate (601) is clamped into the notch (11), then the prepared bolt (14) is connected with the support plug-in plate (602) and a pre-embedded threaded sleeve on the prefabricated wall body (1), then the nut (15) is connected with the bolt (14) in a threaded manner, in this way, the bolt (14) can limit the outer wall of the support plug-in plate (602), the transverse connecting plate (601) is inserted into the guide hole (703) through the side plug-in plate (603) in the pressing process, then the V-shaped clamping piece (702) can be inserted into the side notch (604) through the rotating shaft, in this way, the steel truss (3) and the cantilever truss (3) can be connected with the transverse connecting plate (1201) in the pressing process (1) through the steel truss (1201), the engagement member (1201) then pulls down the spring (1205) through the second connection plate (1206), while the upper end of the engagement member (1201) is engaged with the side support plate (1202).
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