CN117702909B - Steel structure house building spliced connecting component and splicing method - Google Patents
Steel structure house building spliced connecting component and splicing method Download PDFInfo
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- CN117702909B CN117702909B CN202410152934.0A CN202410152934A CN117702909B CN 117702909 B CN117702909 B CN 117702909B CN 202410152934 A CN202410152934 A CN 202410152934A CN 117702909 B CN117702909 B CN 117702909B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 147
- 239000010959 steel Substances 0.000 title claims abstract description 147
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000725 suspension Substances 0.000 claims abstract description 103
- 238000003825 pressing Methods 0.000 claims abstract description 83
- 230000007246 mechanism Effects 0.000 claims abstract description 78
- 238000009434 installation Methods 0.000 claims abstract description 47
- 210000001503 joint Anatomy 0.000 claims abstract description 36
- 230000003014 reinforcing effect Effects 0.000 claims description 81
- 238000005728 strengthening Methods 0.000 claims description 37
- 238000010276 construction Methods 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 230000000979 retarding effect Effects 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 description 13
- 230000009471 action Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2418—Details of bolting
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2421—Socket type connectors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a splicing connecting part and a splicing method for a steel structure house building, which belong to the technical field of steel structure house building and aim at the problems that the connection operation between I-steel and a central column is inconvenient and the supporting strength is limited by bolts and nuts; according to the invention, through the cooperation of the pressing butt joint mechanism and the abutting positioning mechanism, double retarding treatment can be performed when the I-steel is in suspension installation, so that the stability and safety of the suspension installation of the I-steel are improved, the abutting positioning of the suspension rod, the double support of the bearing block and the bearing plate on the lower flange plate of the I-steel and the synchronous performance of the integrated splicing installation of the I-steel and the bearing plate can be formed, and the support strength of the suspension installation of the I-steel is greatly improved.
Description
Technical Field
The invention belongs to the technical field of steel structure house buildings, and particularly relates to a steel structure house building assembly connecting component and a steel structure house building assembly connecting method.
Background
Compared with the traditional concrete building, the steel structure house building has the advantages that steel plates or section steel are used for replacing reinforced concrete, the strength is higher, the shock resistance is better, and the construction period is greatly reduced because the components can be manufactured in a factory and installed on site, and the construction waste can be greatly reduced because the steel can be recycled, so that the steel structure house building is more environment-friendly; the steel structure mainly comprises steel beams, steel columns, steel trusses and other components made of section steel, steel plates and the like, and the components or parts are connected by adopting welding seams, bolts or rivets.
When carrying out steel construction concatenation, often need consider steel construction's concatenation node connecting piece, this connecting piece needs to join upper and lower stand and horizontal crossbeam structure, current connecting piece generally adopts the connection of bolt and nut to connect, to the connected node of I shape, its connecting portion is generally in web region and pterygoid lamina region, this kind of structure is connected with I-steel beam through encorbelmenting the backup pad of arranging on the central body, fixed strength is limited, can't satisfy people's demand, the fixed mode needs fastening nut more, fixed mounting efficiency is low, the joint strength relies on the multiple bolt to support more, supporting strength is limited.
Therefore, a steel structure house building assembling connecting part and a splicing method are needed, and the problems that in the prior art, the connection operation between I-steel and a center column is inconvenient through bolts and nuts and the supporting strength is limited are solved.
Disclosure of Invention
The invention aims to provide a steel structure house building splicing connecting component and a splicing method, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a connecting component is assembled to steel construction house building, includes center post and four I-steel that are evenly distributed, still includes:
The fixing blocks are provided with four fixing blocks and are respectively fixed on the outer surface of the central column, two ends of each fixing block are respectively provided with a U-shaped fixing rod fixed with the outer surface of the central column, a butt joint loop bar fixed with the outer surface of the central column is arranged above each U-shaped fixing rod, suspension rods are inserted between the U-shaped fixing rods and the butt joint loop bars in the same vertical direction, reinforcing frames are arranged on the inner walls of two sides of each I-shaped steel, and a fastening mechanism is jointly arranged between the two reinforcing frames and the two suspension rods in the same direction of the central column;
the support block is provided with four and is located four respectively the top of fixed block, the bottom surface of support block is provided with suspension pole matched with support tight positioning mechanism, every the periphery of support block all is provided with the installation cover that is fixed mutually with U type dead lever surface, the bottom surface of I-steel is provided with the support board of rotating with two installation covers and being connected, is located the center post the same position support the board with be provided with between the suspension pole and press butt joint mechanism.
In one aspect, the fastening mechanism includes:
The fastening block is arranged on the top surface of the I-steel in a bonding mode, connecting sleeves are fixed at two ends of the fastening block, and the end portions of the suspension rods are inserted into the connecting sleeves;
The fastening bolts are provided with two fastening blocks and penetrate through the fastening blocks, the bottom ends of the fastening bolts sequentially penetrate through the top surface of the I-steel and the top surface of the reinforced frame in a threaded mode, and fastening nuts matched with the fastening bolts are arranged on the inner wall of the top of the reinforced frame.
It is further worth to say that the abutting positioning mechanism comprises:
the guide sleeves are provided with two guide sleeves and are fixed with the bottom surface of the fixed block, the inner walls of the two guide sleeves are respectively provided with an L-shaped inserted link in a sliding penetrating manner, the outer surface of the bottom of the suspension rod is provided with a clamping groove matched with the L-shaped inserted link, the opposite surfaces of the two guide sleeves are respectively provided with a pushing block, the inner walls of the pushing blocks are provided with delay holes matched with the L-shaped inserted link, and the outer surface of the L-shaped inserted link is provided with a delay spring fixed with the opposite surfaces of the pushing block and the guide sleeve;
The pressing block is arranged on the opposite surfaces of the two pushing blocks, a pressing rod is fixed between the pressing block and the opposite surface of the bearing block, and a pressing spring fixed with the opposite surfaces of the pressing block and the fixing block is arranged on the outer surface of the pressing rod.
As a preferred embodiment, the vertical section of the pressing block is in a conical shape, and the contact surface of the pressing block and the pushing block is an adaptive inclined surface.
It should be further noted that the pressing docking mechanism includes:
The rotary gear is provided with two rotary gears which are coaxially fixed with the rotating shaft of the bearing plate respectively, the bottom surface of the suspension rod is provided with a pressing rack rod meshed with the rotary gear, the inner wall of the pressing rack rod is provided with a sliding groove, the inside of the sliding groove is provided with two fixed columns which are fixed with the outer surface of the mounting sleeve respectively, and the outer surface of the pressing rack rod is provided with a fixed gasket fixedly sleeved on the outer surfaces of the two fixed columns;
The jack is provided with two jacks and symmetrically arranged on two sides of the top surface of the bearing plate, a positioning hole is formed between the top surface of the bottom of the reinforcing frame and the bottom surface of the I-steel, and a positioning pin is inserted between the jack and the adjacent positioning hole.
As a preferred embodiment, a strengthening mechanism is disposed between two strengthening frames which are adjacent and vertically distributed, and the strengthening mechanism includes:
The two ends of the reinforcing rod are attached to the top surfaces of the bottoms of the two adjacent reinforcing frames which are vertically distributed, the bottom ends of the positioning pins penetrate through the reinforcing rod, and the bottom surfaces of the tops of the positioning pins are attached to the top surfaces of the reinforcing rod;
The lifting rack rod is arranged opposite to the pressing rack rod, the lifting rack rod is in meshed connection with the adjacent rotating gears, a limiting groove is formed in the inner wall of the lifting rack rod, two limiting columns which are fixed with the outer surface of the mounting sleeve are arranged in the limiting groove, and limiting gaskets which are fixedly sleeved on the outer surfaces of the two limiting columns are arranged on the outer surface of the lifting rack rod;
the through holes are formed in two parts and are formed in the top surface of the reinforcing rod, the top ends of the lifting rack rods penetrate through the through holes, and the top surface of the reinforcing rod is provided with a bolt inserted into the inner wall of the limiting groove.
As a preferable embodiment, the outer surface of the reinforcing rod is fixed with reinforcing blocks, the outer surfaces of two ends of the reinforcing blocks are respectively contacted with the outer surfaces of two suspension rods which are close to each other and are vertically distributed, and the central outer surface of the reinforcing block is contacted with the adjacent vertical surface of the central column.
A steel structure house building splicing method adopts a steel structure house building splicing connecting component, which comprises the following steps:
s1, mounting a reinforcing frame and a suspension rod: placing the two reinforcing frames on two sides of a web plate of the I-steel, fastening the two reinforcing frames and the I-steel through a fastening mechanism, inserting the two suspension rods into a connecting sleeve of the fastening mechanism, and repeating the above operation to finish the installation treatment of the reinforcing frames and the peripheral suspension rods at the web plate at the other end of the I-steel;
S2, double slow-down suspension installation: the I-steel in the step S1 is respectively inserted into the butt joint sleeve rod through four suspension rods until the bottom end of the suspension rods enters the U-shaped fixed rod, the double slow descent of the I-steel is formed by pressing the butt joint mechanism and the abutting positioning mechanism, and meanwhile, the suspension rods are subjected to time-delay abutting positioning treatment and the supporting plate is rotated to the bottom surface of the I-steel to carry out supporting treatment;
S3, strengthening treatment: and (2) when the bearing plate rotates to be attached to and supported by the I-steel in the step (S2), aligning and installing the reinforcing rod in the reinforcing mechanism with the two lifting rack rods, placing the reinforcing rod on the top surfaces of the bottoms of the two reinforcing frames, sequentially inserting the reinforcing rod from the top surfaces of the reinforcing rods into the insertion holes from the positioning holes by pressing the positioning pins in the butt joint mechanism, and then inserting the bolts in the reinforcing mechanism into the limiting grooves in the lifting rack rods to form two adjacent I-steel for reinforcing and supporting treatment.
Compared with the prior art, the steel structure house building splicing connecting component and the splicing method provided by the invention at least have the following beneficial effects:
(1) Through fastening mechanism's setting for strengthening the frame and hanging the tip of the convenient firm installation in I-steel of jib, thereby improve the I-steel and hang the convenience of installation, through pressing butt joint mechanism and support tight positioning mechanism's cooperation effect, both can form and hang the dual retarder treatment of carrying out when installing the I-steel, thereby improve the stability and the security of the installation of hanging of I-steel, can form again to hanging the jib and support tight location, support the piece and support the synchronous going on of the integrated type grafting installation of flange plate under the I-steel and bearing the board under to the I-steel, thereby improve the support strength that the I-steel was hung the installation greatly.
(2) Through the setting of strengthening mechanism for two perpendicular and adjacent distribution's reinforcement frame carry out grafting locking formula installation and handle, thereby make adjacent and be perpendicular two I-steel that distribute carry out effective connection and become a whole, further improve I-steel support strength and stability when hanging the installation.
(3) The setting of strengthening piece both can further improve the grafting locking installation effect of strengthening pole, can cooperate to support tight positioning mechanism again and support tight location to the time delay of hanging the jib, further improves the suspension stability and the support strength of hanging the jib in butt joint loop bar and U type dead lever.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the area A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of a partially enlarged structure of a receiving plate according to the present invention;
FIG. 4 is an enlarged view of area B of FIG. 3 according to the present invention;
FIG. 5 is a schematic view of a split structure of the reinforcing bar of the present invention;
FIG. 6 is an enlarged schematic view of the structure of the area C in FIG. 5 according to the present invention;
FIG. 7 is a schematic view showing a detachable structure of the fastening mechanism of the present invention;
FIG. 8 is a schematic view of a split structure of a jack and a positioning hole according to the present invention;
FIG. 9 is a schematic view of a partial structure of an L-shaped insert rod of the present invention;
fig. 10 is an enlarged view of the area D of fig. 9 according to the present invention.
In the figure: 1. a center column; 2. i-steel; 3. a fixed block; 4. a U-shaped fixing rod; 5. a butt joint sleeve rod; 6. suspending the rod; 7. a reinforcing frame; 8. a fastening mechanism; 81. a fastening block; 82. connecting sleeves; 83. a fastening bolt; 84. a fastening nut; 9. a receiving block; 10. a propping and positioning mechanism; 101. a guide sleeve; 102. an L-shaped inserted link; 103. a clamping groove; 104. a pushing block; 105. a delay hole; 106. a delay spring; 107. pressing the blocks; 108. pressing a pressing rod; 109. pressing the spring; 11. a mounting sleeve; 12. a receiving plate; 13. pressing the butt joint mechanism; 131. rotating the gear; 132. pressing the rack bar; 133. a sliding groove; 134. fixing the column; 135. fixing the gasket; 136. a jack; 137. positioning holes; 138. a positioning pin; 14. a strengthening mechanism; 141. a reinforcing rod; 142. lifting the rack bar; 143. a limit groove; 144. a limit column; 145. a limiting gasket; 146. a through hole; 147. a plug pin; 15. and strengthening the block.
Detailed Description
The invention is further described below with reference to examples.
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure, and it is apparent that the described embodiments are some, but not all, embodiments of the present disclosure, and all other embodiments obtained by persons of ordinary skill in the art without inventive labor based on the described embodiments of the present disclosure are within the scope of protection of the present disclosure.
Unless otherwise defined, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs, the use of the terms "comprising" or "comprises" and the like in this disclosure is intended to mean that the element or article preceding the term encompasses the element or article listed after the term and equivalents thereof, without excluding other elements or articles, and that the terms "connected" or "connected" and the like are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect, "upper", "lower", "left", "right", etc. are merely intended to indicate relative positional relationships that may also be correspondingly altered when the absolute position of the object being described is altered.
Embodiment one: referring to fig. 1-10, the invention provides a steel structure house building assembly connecting component, which comprises a central column 1, four uniformly distributed I-shaped steels 2, and further comprises fixing blocks 3, wherein the fixing blocks 3 are provided with four U-shaped fixing rods 4 which are respectively fixed on the outer surface of the central column 1, two ends of each fixing block 3 are respectively provided with a U-shaped fixing rod 4 which is fixed with the outer surface of the central column 1, a butt joint sleeve rod 5 which is fixed with the outer surface of the central column 1 is arranged above each U-shaped fixing rod 4, suspension rods 6 are inserted between the U-shaped fixing rods 4 and the butt joint sleeve rods 5 which are positioned in the same vertical direction, reinforcing frames 7 are respectively arranged on the inner walls of two sides of each I-shaped steel 2, and a fastening mechanism 8 is jointly arranged between the two reinforcing frames 7 and the two suspension rods 6 which are positioned in the same direction of the central column 1;
By arranging the fastening mechanism 8, the reinforcing frame 7 is fastened and installed at the web of the i-steel 2, and is detachably connected with the suspension rods 6, so that the two ends of the i-steel 2 are aligned and inserted from the upper part of the butt joint sleeve rod 5 through the four suspension rods 6 until the two ends extend to the U-shaped fixing rod 4, and the i-steel 2 is suspended and supported between the two center posts 1 through the four suspension rods 6, so that the preliminary installation of the i-steel 2 is formed;
It should be noted that the strengthening frame 7 is a three-section horizontal section and a two-section vertical section in the i-steel 2, after the i-steel 2 is suspended and installed by the suspension rod 6, the bottom vertical section of the strengthening frame 7 contacts with the surface of the center column 1, so that the contact area between the i-steel 2 and the center column 1 during suspension and installation is increased, the suspension supporting strength of the i-steel 2 during suspension and installation with the center column 1 is effectively improved, and the fastening mechanism 8 is arranged on the top surface of the i-steel 2, so that the convenience of fastening and installation of the strengthening frame 7 and the upper flange plate of the i-steel 2 is improved to a certain extent;
The support blocks 9 are provided with four support blocks 9 and are respectively positioned above the four fixed blocks 3, the bottom surface of each support block 9 is provided with a supporting and positioning mechanism 10 matched with the suspension rod 6, the periphery of each support block 9 is provided with a mounting sleeve 11 fixed with the outer surface of the U-shaped fixed rod 4, the bottom surface of each I-shaped steel 2 is provided with a support plate 12 rotationally connected with the two mounting sleeves 11, and a pressing and butting mechanism 13 is arranged between the support plate 12 positioned in the same direction of the central column 1 and the suspension rod 6;
By arranging the abutting positioning mechanism 10, when the I-steel 2 is contacted with the bearing block 9, the abutting positioning mechanism 10 is driven to be clamped and limited with the suspension rod 6 synchronously inserted into the butt joint sleeve rod 5 and the U-shaped fixing rod 4, namely, the suspension rod 6 and the preassembled abutting positioning mechanism 10 are formed to be subjected to preliminary locking treatment, the preliminary locking installation of the I-steel 2 is formed, the installation stability of the I-steel 2 through the four suspension rods 6 is effectively improved, and the bearing plate 12 is enabled to rotate from a vertical state to a vertical state with the center column 1 through the interaction of the suspension rods 6 and the pressing butt joint mechanism 13, so that the bottom surface support of the lower flange plate of the I-steel 2 is formed, and the support strength of the I-steel 2 is further improved;
it should be noted that, the butt-joint loop bar 5, the U-shaped fixing bar 4, the fixing block 3, the receiving plate 12, the receiving block 9 and the abutting positioning mechanism 10 are all pre-installed on the outer surface of the center column 1, and the i-steel 2 can be formed to be suspended and installed through the four suspension bars 6 after being installed with the four reinforcing frames 7 and the suspension bars 6.
As further shown in fig. 1, 7 and 9, it is worth specifically explaining that the fastening mechanism 8 includes a fastening block 81, the fastening block 81 is attached to the top surface of the i-steel 2, two ends of the fastening block 81 are both fixed with a connecting sleeve 82, and the end of the suspension rod 6 is inserted into the connecting sleeve 82;
The two fastening bolts 83 penetrate through the fastening blocks 81, the bottom ends of the fastening bolts 83 sequentially penetrate through the top surface of the I-steel 2 and the top surface of the reinforcing frame 7 in a threaded manner, and fastening nuts 84 matched with the fastening bolts 83 are arranged on the inner wall of the top of the reinforcing frame 7;
It should be noted that, place the strengthening frame 7 in the web both sides of I-steel 2, insert the tip of two suspension rods 6 respectively in two adapter sleeves 82, then insert from the top surface of fastening block 81 through fastening bolt 83, pass through I-steel 2 and strengthening frame 7's top bottom surface through fastening bolt 83 screw thread, then carry out screw thread fastening processing through fastening nut 84 and fastening bolt 83, thereby make fastening block 81, I-steel 2 and strengthening frame 7 form an organic wholely through the mode of screw thread fastening, after the installation of suspension rod 6 to I-steel 2 both ends is accomplished, I-steel 2 carries out unsettled support through four suspension rods 6, improve I-steel 2 to a certain extent and carry out the convenience of hanging installation through the mode of lifting.
As further shown in fig. 3, fig. 4, fig. 7, fig. 8, fig. 9 and fig. 10, it is worth specifically explaining that the abutting positioning mechanism 10 comprises a guide sleeve 101, the guide sleeve 101 is provided with two guide sleeves and is fixed with the bottom surface of the fixed block 3, the inner walls of the two guide sleeves 101 are all penetrated by an L-shaped inserted rod 102 in a sliding way, the outer surface of the bottom of the suspension rod 6 is provided with a clamping groove 103 matched with the L-shaped inserted rod 102, the opposite surfaces of the two guide sleeves 101 are all fixed with a pushing block 104, the inner wall of the pushing block 104 is provided with a delay hole 105 matched with the L-shaped inserted rod 102, and the outer surface of the L-shaped inserted rod 102 is provided with a delay spring 106 fixed with the pushing block 104 and the opposite surfaces of the guide sleeve 101;
a pressing block 107, the pressing block 107 is arranged on the opposite surfaces of the two pushing blocks 104, a pressing rod 108 is fixed between the pressing block 107 and the opposite surface of the receiving block 9, and a pressing spring 109 fixed on the opposite surfaces of the pressing block 107 and the fixed block 3 is arranged on the outer surface of the pressing rod 108;
It should be noted that, when the receiving block 9 is not stressed, the pressing spring 109 is in a stretched state, the receiving block 9 is at a higher position, the L-shaped inserting rod 102 thereof can slide in the guide sleeve 101 under the action of the elasticity of the delay spring 106, one end of the L-shaped inserting rod 102, which is close to the suspension rod 6, is positioned at the periphery of the suspension rod 6, the other end of the L-shaped inserting rod is in a separated state with the delay hole 105, and the pushing block 104 and the pressing block 107 are still in an inclined contact state under the action of the elasticity of the delay spring 106;
The tail end of the suspension rod 6 enters the lower part of the U-shaped fixed rod 4 to form butt joint suspension installation, the bearing block 9 synchronously contacts with the bottom surface of the I-steel 2, the pressing rod 108 drives the pressing block 107 to press downwards, and the L-shaped inserted rod 102 moves outwards at the moment through the inclined plane extrusion of the pressing block 107 and the pushing block 104, so that the L-shaped inserted rod 102 performs delay movement and abutting treatment towards the clamping groove 103 of the suspension rod 6 while the suspension rod 6 moves downwards;
when the suspension rod 6 does not reach the lower side of the U-shaped fixing rod 4, the bottom surface of the lower flange plate of the i-steel 2 is in contact with the receiving block 9 first, so as to drive the pressing spring 109 to perform compression treatment, the delay spring 106 is first subjected to preliminary compression treatment by pressing the inclined surfaces of the pressing block 107 and the pushing block 104, the end part of the L-shaped inserting rod 102 is driven to move towards the delay hole 105 to form butt joint treatment of the L-shaped inserting rod 102 and the pushing block 104, and when the suspension rod 6 reaches the bottommost end of the U-shaped fixing rod 4, the pushing block 104 drives the delay spring 106 again to perform compression treatment at the moment, and meanwhile, the L-shaped inserting rod 102 is inserted into the clamping groove 103 to form delay abutting positioning treatment of the suspension rod 6.
Further, as shown in fig. 4 and fig. 10, it is worth specifically explaining that the vertical section of the pressing block 107 is in a conical shape, the contact surface of the pressing block 107 and the pushing block 104 is an adaptive inclined surface, and the pressing block 107 is in a conical shape, so that when the pressing block 107 presses the bearing block 9 by the i-steel 2 under gravity, the pressing block 107 moves downwards along with the bearing block 9, thereby improving synchronous extrusion processing of the pressing block 107 on the two pushing blocks 104, and further realizing preliminary movement of the L-shaped inserted link 102 towards the delay hole 105 and subsequent delay propping processing towards the clamping groove 103 of the suspension rod 6 together with the pushing block 104.
As further shown in fig. 2, 5, 6, 8 and 9, it is worth specifically explaining that the pressing docking mechanism 13 includes a rotary gear 131, the rotary gear 131 is provided with two pressing rack bars 132 coaxially fixed with the rotary shaft of the bearing plate 12, the bottom surface of the suspension rod 6 is provided with a pressing rack bar 132 meshed with the rotary gear 131, the inner wall of the pressing rack bar 132 is provided with a sliding groove 133, two fixing columns 134 fixed with the outer surface of the mounting sleeve 11 are arranged inside the sliding groove 133, and the outer surface of the pressing rack bar 132 is provided with a fixing spacer 135 fixedly sleeved on the outer surfaces of the two fixing columns 134;
The two jacks 136 are symmetrically arranged on two sides of the top surface of the receiving plate 12, positioning holes 137 are formed between the top surface of the bottom of the reinforcing frame 7 and the bottom surface of the I-steel 2, and positioning pins 138 are inserted between the jacks 136 and the adjacent positioning holes 137;
It should be noted that, when the suspension rod 6 is not inserted below the U-shaped fixing rod 4, the supporting plate 12 is in a vertical state at this time, through the meshing transmission action of the rotating gear 131 and the pressing rack rod 132, at this time, the top end of the pressing rack rod 132 is close to the butt joint sleeve rod 5, when the suspension rod 6 is inserted into the butt joint sleeve rod 5 and the U-shaped fixing rod 4, the outer end of the suspension rod 6 is firstly pressed with the pressing rack rod 132, the buffering pressing suspension installation treatment of the i-steel 2 is formed by four pressing rack rods 132 until the bottom surface of the i-steel 2 is contacted with the supporting block 9, the buffering treatment is performed again on the i-steel 2, finally, after the suspension installation of the i-steel 2 is completed by four suspension rods 6, the supporting plate 12 is rotated to the outer surface of the central body through the meshing transmission of the pressing rack rod 132 and the rotating gear 131, and the supporting block 9 and the top surface of the supporting plate 12 are located at the same level, thereby the dual reinforcement supporting treatment of the i-steel 2 is formed.
The embodiment has the following working procedures: when the I-steel 2 and the central body are installed, the four reinforcing frames 7 and the web plate of the I-steel 2 are fastened and installed through the fastening mechanism 8, meanwhile, the insertion treatment of the four suspension rods 6 is completed, then the I-steel 2 is suspended through the hanger, and the four suspension rods 6 are inserted into the U-shaped fixing rod 4 from the butt joint sleeve rod 5, so that the suspension installation treatment of the I-steel 2 is formed, and at the moment, the reinforcing frames 7 are contacted with the outer surface of the central body, so that the supporting strength of the I-steel 2 in suspension installation is effectively improved;
When the suspension rod 6 moves downwards, through the cooperation of the suspension rod 6 and the pressing butt joint mechanism, the descending speed of the suspension installation of the I-steel 2 at the butt joint sleeve rod 5 and the U-shaped fixed rod 4 can be delayed, the top surface of the bearing plate 12 can be rotated to be in contact with the bottom surface of the lower flange plate of the I-steel 2 to form supporting treatment, the reinforcing frame 7, the lower flange plate of the I-steel 2 and the bearing plate 12 are integrally installed in a plug-in mode through the pressing butt joint mechanism, so that the supporting strength of the I-steel 2 is improved, after the suspension installation is carried out through the pressing butt joint mechanism in a retarded descending mode, the I-steel 2 is carried out in a retarded descending mode through the interaction of the bearing block 9 and the abutting positioning mechanism 10, the stability of the suspension rod 2 is further improved, the I-steel 2 is effectively prevented from being rapidly descended due to gravity impact, and when the suspension rod 6 reaches the bottommost part of the U-shaped fixed rod 4, the abutting positioning mechanism 10 carries out time delay treatment on the bottom of the suspension rod 6, and the stability of the suspension rod 6 is effectively carried out in the butt joint sleeve rod 5.
Embodiment two: on the basis of the first embodiment, as shown in fig. 2, 5, 6 and 9, it should be specifically explained that a strengthening mechanism 14 is disposed between two strengthening frames 7 that are adjacent and vertically distributed, the strengthening mechanism 14 includes a strengthening rod 141, two ends of the strengthening rod 141 are attached to bottom top surfaces of the two strengthening frames 7 that are adjacent and vertically distributed, bottom ends of the positioning pins 138 penetrate through the strengthening rod 141, and top bottom surfaces are attached to top surfaces of the strengthening rod 141;
The lifting rack bar 142 is arranged opposite to the pressing rack bar 132, the lifting rack bar 142 is connected with the adjacent rotating gears 131 in a meshed manner, a limiting groove 143 is formed in the inner wall of the lifting rack bar 142, two limiting columns 144 which are fixed with the outer surface of the mounting sleeve 11 are arranged in the limiting groove 143, and limiting gaskets 145 fixedly sleeved on the outer surfaces of the two limiting columns 144 are arranged on the outer surface of the lifting rack bar 142;
the through holes 146, the through holes 146 are arranged in two and are all arranged on the top surface of the reinforcement rod 141, the top end of the lifting rack rod 142 penetrates through the through holes 146, and the top surface of the reinforcement rod 141 is provided with a bolt 147 inserted into the inner wall of the limit groove 143;
After the two vertically distributed i-beams 2 are installed, the positioning pins 138 are taken out from the insertion holes 136 and the positioning holes 137, the through holes 146 of the reinforcing rod 141 are aligned with the lifting rack rod 142, the reinforcing rod 141 is subjected to plugging treatment with the lifting rack rod 142 downwards until the bottom surfaces of the reinforcing rod 141 and the bottom surfaces of the two reinforcing frames 7 are in fitting treatment, then the two positioning pins 138 are inserted into the bearing plate 12 to complete the integral plugging installation of the reinforcing rod 141, the reinforcing frames 7, the i-beams 2 and the bearing plate 12, so that the reinforced connection between the two vertically distributed i-beams 2 is formed, the connection strength between the two adjacent i-beams 2 is effectively improved, and finally the limiting grooves 143 of the lifting rack rod 142 are penetrated through the pins 147, so that the plugging locking installation is formed by the toothed engagement between the lifting rack rod 142, the rotating gear 131 and the pressing rack rod 132, and the connection strength between the two vertically distributed i-beams 2 is further improved.
As further shown in fig. 2 and 6, it should be specifically explained that the outer surface of the reinforcing rod 141 is fixed with reinforcing blocks 15, the outer surfaces of two ends of the reinforcing blocks 15 are respectively contacted with the outer surfaces of two suspension rods 6 which are close to each other and are vertically distributed, and the central outer surface of the reinforcing block 15 is contacted with the adjacent vertical surface of the central column 1;
It should be noted that, before the reinforcement bar 141 is aligned with the lifting rack bar 142 through the through hole 146, the reinforcement bar 141 may be attached to two vertical surfaces of the central body through the reinforcement bar 15, so that the through hole 146 of the reinforcement bar 141 and the lifting rack bar 142 may be aligned, and then after the reinforcement bar 141 is installed, the reinforcement bar 15 contacts two adjacent and vertically distributed suspension bars 6 and contacts top surfaces of two U-shaped fixing bars 4, so that the reinforcement bar 15 and the reinforcement bar 141 are stably located between two vertical surfaces of the central body, the two suspension bars 6 and the two U-shaped fixing bars 4, thereby further improving the connection strength of two adjacent and vertically distributed i-steel 2.
On the basis of the first embodiment, the present embodiment further includes the following working procedures: when the receiving plate 12 rotates to form a support with the I-steel 2, the reinforcing rod 141 in the reinforcing mechanism 14 is inserted into the outer surfaces of the two lifting rack rods 142 through the through holes 146, the two adjacent and vertically distributed reinforcing frames 7, the two I-steel 2 and the two receiving plates 12 are formed into an integral inserting installation by pressing the positioning pins 138 of the abutting mechanism, and then the reinforcing rod 141 is inserted into the limiting groove 143 through the bolts 147 of the reinforcing mechanism 14, so that the inserting locking installation is formed by tooth-shaped engagement among the lifting rack rods 142, the rotating gear 131 and the pressing rack rods 132, and the connecting strength between the two I-steel 2 is further enhanced.
A steel structure house building splicing method adopts steel structure house building spliced connecting components, comprising the following steps:
S1, mounting a reinforcing frame 7 and a suspension rod 6: placing the two reinforcing frames 7 on two sides of a web plate of the I-steel 2, fastening the two reinforcing frames 7 and the I-steel 2 through a fastening mechanism 8, inserting the two suspension rods 6 into a connecting sleeve 82 of the fastening mechanism 8, and repeating the above operation to finish the installation treatment of the reinforcing frames 7 and the peripheral suspension rods 6 at the web plate at the other end of the I-steel 2;
S2, double slow-down suspension installation: the I-steel 2 in the step S1 is respectively inserted into the butt joint sleeve rod 5 through four suspension rods 6 until the bottom ends of the suspension rods enter the U-shaped fixed rod 4, double slow descent of the I-steel 2 is formed by pressing the butt joint mechanism 13 and the abutting positioning mechanism 10, and meanwhile, delay abutting positioning treatment is carried out on the suspension rods 6 and the supporting plate 12 rotates to the bottom surface of the I-steel 2 for supporting treatment;
S3, strengthening treatment: in step S2, when the receiving plate 12 rotates to be attached to and supported by the i-beams 2, the reinforcing rod 141 in the reinforcing mechanism 14 is aligned with the two lifting rack rods 142 and placed on the bottom top surfaces of the two reinforcing frames 7, and the positioning pins 138 in the abutting mechanism 13 are pressed to insert the positioning pins 138 from the top surfaces of the reinforcing rod 141 into the insertion holes 136 from the positioning holes 137 in sequence, and then the bolts 147 in the reinforcing mechanism 14 are inserted into the limiting grooves 143 in the lifting rack rods 142 to form two adjacent i-beams 2 for reinforcing and supporting treatment
It can be seen from the above that: through the arrangement of the fastening mechanism 8, the reinforcing frame 7 and the suspension rod 6 are conveniently and firmly arranged at the end part of the I-steel 2, so that the convenience of suspension installation of the I-steel 2 is improved, double retarding treatment can be performed when the I-steel 2 is in suspension installation through the cooperation of the pressing butt joint mechanism and the abutting positioning mechanism 10, so that the stability and the safety of the suspension installation of the I-steel 2 are improved, the abutting positioning of the suspension rod 6, the double support of the bearing block 9 and the bearing plate 12 on the lower flange plate of the I-steel 2 and the synchronous operation of the integral splicing installation of the I-steel 2 and the bearing plate 12 can be formed, and the support strength of the suspension installation of the I-steel 2 is greatly improved;
Through the setting of strengthening mechanism 14 for two perpendicular and adjacent distribution's reinforcement frame 7 carry out grafting locking formula installation and handle, thereby make adjacent and be perpendicular two I-steel 2 that distribute effectively and connect into a whole, further improve I-steel 2 support strength and stability when hanging the installation, in addition the setting of strengthening piece 15, both can further improve the grafting locking installation effect of strengthening rod 141, can cooperate to support tight positioning mechanism 10 again and support tight location to the time delay of hanging rod 6, further improve the stability and the support strength of hanging rod 6 in the suspension of butt joint loop bar 5 and U type dead lever 4.
The previous description of the disclosed embodiments, to enable any person skilled in the art to make or use the present invention, is provided that it will be apparent to those skilled in the art that various modifications may be made to these embodiments and that the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention, and therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The utility model provides a connecting component is assembled to steel construction house building, includes center post (1) and four I-steel (2) that are evenly distributed, its characterized in that still includes:
the fixing blocks (3), the fixing blocks (3) are provided with four fixing rods and are respectively fixed on the outer surface of the center column (1), two ends of each fixing block (3) are respectively provided with a U-shaped fixing rod (4) fixed with the outer surface of the center column (1), a butt joint sleeve rod (5) fixed with the outer surface of the center column (1) is arranged above each U-shaped fixing rod (4), suspension rods (6) are inserted between the U-shaped fixing rods (4) and the butt joint sleeve rods (5) in the same vertical direction, reinforcing frames (7) are respectively arranged on the inner walls of two sides of each I-shaped steel (2), and a fastening mechanism (8) is jointly arranged between the two reinforcing frames (7) and the two suspension rods (6) in the same direction of the center column (1);
the fastening mechanism (8) comprises:
the fastening block (81), the fastening block (81) is attached to the top surface of the I-steel (2), connecting sleeves (82) are fixed at two ends of the fastening block (81), and the end parts of the suspension rods (6) are inserted into the connecting sleeves (82);
the two fastening bolts (83) penetrate through the fastening blocks (81), the bottom ends of the fastening bolts (83) sequentially penetrate through the top surface of the I-steel (2) and the top surface of the reinforcing frame (7) in a threaded manner, and fastening nuts (84) matched with the fastening bolts (83) are arranged on the inner wall of the top of the reinforcing frame (7);
The support device comprises support blocks (9), wherein the support blocks (9) are provided with four support plates and are respectively positioned above the four fixing blocks (3), the bottom surface of each support block (9) is provided with a supporting and fastening positioning mechanism (10) matched with a suspension rod (6), the periphery of each support block (9) is provided with a mounting sleeve (11) fixed with the outer surface of a U-shaped fixing rod (4), the bottom surface of each I-shaped steel (2) is provided with a support plate (12) rotationally connected with the two mounting sleeves (11), and a pressing butt joint mechanism (13) is arranged between the support plate (12) and the suspension rod (6) in the same direction of a central column (1);
The abutting positioning mechanism (10) comprises:
The guide sleeve (101), the guide sleeve (101) is provided with two and is fixed with the bottom surface of fixed block (3), two the inner wall of guide sleeve (101) all slides and runs through has L type inserted bar (102), draw-in groove (103) with L type inserted bar (102) looks adaptation are seted up to the bottom surface of suspension pole (6), two the opposite face of guide sleeve (101) all is fixed with impeller block (104), the inner wall of impeller block (104) has seted up and has been L type inserted bar (102) matched with delay hole (105), the surface of L type inserted bar (102) is provided with and promotes the time delay spring (106) that the opposite face of impeller block (104) and guide sleeve (101) is all fixed;
A pressing block (107), the pressing block (107) is arranged on the opposite surfaces of the two pushing blocks (104), a pressing rod (108) is fixed between the pressing block (107) and the opposite surface of the bearing block (9), and a pressing spring (109) which is fixed on the opposite surfaces of the pressing block (107) and the fixed block (3) is arranged on the outer surface of the pressing rod (108);
The pressing docking mechanism (13) includes:
The rotary gear (131), the rotary gear (131) is provided with two fixed columns (134) which are respectively and coaxially fixed with the rotating shaft of the bearing plate (12), the bottom surface of the suspension rod (6) is provided with a pressing rack rod (132) meshed with the rotary gear (131), the inner wall of the pressing rack rod (132) is provided with a sliding groove (133), the inside of the sliding groove (133) is provided with two fixed columns (134) which are respectively fixed with the outer surface of the mounting sleeve (11), and the outer surface of the pressing rack rod (132) is provided with a fixed gasket (135) fixedly sleeved on the outer surfaces of the two fixed columns (134);
the jack (136), jack (136) are provided with two and are the symmetry top surface both sides of seting up in socket plate (12), set up locating hole (137) between the bottom top surface of strengthening frame (7) and the bottom surface of I-steel (2), jack (136) with be adjacent insert between locating hole (137) locating pin (138).
2. The steel structure housing construction splice connection component of claim 1, wherein: the vertical section of the pressing block (107) is in a conical shape, and the contact surface of the pressing block (107) and the pushing block (104) is an adaptive inclined surface.
3. The steel structure housing construction splice connection component of claim 2, wherein: a strengthening mechanism (14) is arranged between two strengthening frames (7) which are adjacent and are vertically distributed, and the strengthening mechanism (14) comprises:
the two ends of the reinforcing rod (141) are attached to the top surfaces of the bottoms of the two adjacent and vertically distributed reinforcing frames (7), the bottom ends of the positioning pins (138) penetrate through the reinforcing rod (141), and the bottom surfaces of the tops are attached to the top surfaces of the reinforcing rod (141);
Lifting rack bars (142), wherein the lifting rack bars (142) are arranged opposite to the pressing rack bars (132), the lifting rack bars (142) are connected with adjacent rotating gears (131) in a meshed mode, limiting grooves (143) are formed in the inner walls of the lifting rack bars (142), two limiting columns (144) which are fixed with the outer surfaces of the mounting sleeves (11) are arranged in the limiting grooves (143), and limiting gaskets (145) fixedly sleeved on the outer surfaces of the two limiting columns (144) are arranged on the outer surfaces of the lifting rack bars (142);
The through holes (146), the through holes (146) are provided with two top surfaces which are both arranged on the reinforcing rods (141), the top ends of the lifting rack rods (142) penetrate through the through holes (146), and the top surfaces of the reinforcing rods (141) are provided with bolts (147) which are inserted into the inner walls of the limiting grooves (143).
4. A steel structure housing construction splice connection part according to claim 3, wherein: the outer surface of the strengthening rod (141) is fixedly provided with a strengthening block (15), the outer surfaces of two ends of the strengthening block (15) are respectively contacted with the outer surfaces of two suspension rods (6) which are close to each other and are vertically distributed, and the central outer surface of the strengthening block (15) is contacted with the adjacent vertical surfaces of the central column (1).
5. A method for splicing steel structure house buildings, which adopts the steel structure house building splicing connecting component as defined in any one of claims 1-4, and is characterized in that: the method comprises the following steps:
S1, mounting a reinforcing frame (7) and a suspension rod (6): placing the two reinforced frames (7) on two sides of a web plate of the I-steel (2), fastening the two reinforced frames (7) and the I-steel (2) through a fastening mechanism (8), inserting the two suspension rods (6) into a connecting sleeve (82) of the fastening mechanism (8), and repeating the operation to finish the installation treatment of the reinforced frames (7) and the peripheral suspension rods (6) at the web plate at the other end of the I-steel (2);
S2, double slow-down suspension installation: the I-steel (2) in the step S1 is respectively inserted into the butt joint sleeve rod (5) through four suspension rods (6) until the bottom end of the suspension rods enters the U-shaped fixed rod (4), double slow descent of the I-steel (2) is formed by pressing the butt joint mechanism (13) and the abutting positioning mechanism (10), and meanwhile, delay abutting positioning treatment is carried out on the suspension rods (6) and the supporting plate (12) rotates to the bottom surface of the I-steel (2) to carry out supporting treatment;
S3, strengthening treatment: when the bearing plate (12) rotates to be attached to and supported by the I-steel (2) in the step S2, the reinforcing rod (141) in the reinforcing mechanism (14) and the two lifting rack rods (142) are aligned, arranged on the top surfaces of the bottoms of the two reinforcing frames (7), and sequentially inserted into the insertion holes (136) from the top surfaces of the reinforcing rods (141) through the positioning holes (137) by pressing the positioning pins (138) in the butt joint mechanism (13), and then the bolts (147) in the reinforcing mechanism (14) are inserted into the limiting grooves (143) in the lifting rack rods (142), so that two adjacent I-steel (2) are formed for reinforcing and supporting.
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