CN110409628B - Assembly method for hole flanging and tapping screw connection of thin-wall steel plate of steel-concrete composite pipe - Google Patents
Assembly method for hole flanging and tapping screw connection of thin-wall steel plate of steel-concrete composite pipe Download PDFInfo
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- CN110409628B CN110409628B CN201910682620.0A CN201910682620A CN110409628B CN 110409628 B CN110409628 B CN 110409628B CN 201910682620 A CN201910682620 A CN 201910682620A CN 110409628 B CN110409628 B CN 110409628B
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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
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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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
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
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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
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
- E04B1/5831—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially rectangular form
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Abstract
The assembling method of the steel concrete composite pipe thin-wall steel plate hole flanging tapping screw connection comprises the following steps: (1) forming a plurality of through holes on the two steel plates by adopting a hole flanging process to form a conical flanging structure, forming two rows of drilled holes on the longer edge of the angle steel flange, and arranging a conical chamfering structure on one side of each drilled hole; (2) manufacturing two channel steels and two steel plates into a rectangular steel pipe; (3) rotating and penetrating the drawknot screw; (4) fixedly connecting the angle steel flange and the steel plate into a whole; (5) two rectangular plates are arranged at the lower ends of the two channel steels. The invention has reasonable design and compact structure, adopts the screw connection mode, and can fully reduce the thickness of the steel plate (the thickness of the steel plate can be 1-3 mm), thereby reducing the weight and the cost of the steel concrete composite pipe.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to an assembling method for hole flanging and tapping screw connection of a thin-wall steel plate of a steel-concrete combined pipe.
Background
The components of the fabricated building are prefabricated in a factory or a construction site, then the fabricated building is assembled and constructed on the site, the steel-concrete composite pipe is a wall component, as more and more high-rise buildings exist, the quality of butt joint of the upper layer and the lower layer of the steel-concrete composite pipe is related to the construction quality of the whole building, at present, rectangular flanges are welded on the upper side and the lower side of two steel plates and the upper end and the lower end of two channel steels in the steel-concrete composite pipe, the welding length between the rectangular flanges and the two steel plates is longer, the thickness of the steel plates is required to be larger in order to avoid the reliability of welding and the deformation of the steel plates, and the weight and the cost of the steel-concrete composite.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the assembling method for the hole flanging and tapping screw connection of the thin-wall steel plate of the steel-concrete combined pipe, which can fully reduce the thickness of the steel plate, reduce the weight and the cost and improve the connection strength.
In order to solve the technical problems, the invention adopts the following technical scheme: the assembling method of the steel-concrete combined pipe thin-wall steel plate hole-flanging tapping screw rod connection includes the following steps,
(1) the thickness of the two steel plates is 1-3mm, a plurality of through holes are formed in the two steel plates by adopting a hole flanging process to form a conical flanging structure, the plurality of through holes are arranged according to a rectangular array, and the hole walls of the through holes are tapped; simultaneously, four angle steel flanges with the length equal to the length of the steel plate in the horizontal direction are adopted, the angle steel flanges are made of unequal angle steel, two rows of drilled holes are formed in the longer sides of the angle steel flanges, the distance between every two adjacent drilled holes is equal to the distance between every two drilled holes in the steel plate, a conical chamfer structure is arranged on one side of each drilled hole, and the conical chamfer structure and the shorter sides of the angle steel flanges are respectively positioned on the two sides of the longer sides of the angle steel flanges;
(2) the two channel steels and the two steel plates are made into rectangular steel pipes, the conical flanging structure on the steel plate at the front side is arranged forwards, the conical flanging structure on the steel plate at the rear side is arranged backwards, and the left side and the right side of the steel plate are welded with the channel steels at the left side and the channel steels at the right side into a whole through the lining plate;
(3) the drawknot screw rods are rotatably penetrated into other through holes except the two transverse rows of through holes at the uppermost part and the two transverse rows of through holes at the lowermost part of the steel plate;
(4) correspondingly placing an angle steel flange at the lowest part of a steel plate at the front side, correspondingly extending two rows of conical flanging structures at the lower part into a conical chamfering structure assembled on the angle steel flange, and then penetrating short screw assemblies into one row of through holes at the lower part to fix the angle steel flange and the steel plate at the front side into a whole;
(5) fixedly mounting the other three angle steel flanges on the uppermost part of the steel plate on the front side, the lowermost part of the steel plate on the rear side and the uppermost part of the steel plate on the rear side respectively according to the mode of the step (4);
(6) then, long screw assemblies are used for penetrating into corresponding through holes of the steel plates on the front side and the rear side of the uppermost second row and the corresponding through holes of the steel plates on the front side and the rear side of the lowermost second row, so that the steel plates on the front side and the rear side and angle steel flanges are connected into a whole;
(7) two rectangular plates are arranged at the lower ends of the two channel steels, the rectangular plates are arranged at the left end part and the right end part of the two angle steel flanges at the lower part, the lower surfaces of the rectangular plates and the two angle steel flanges at the lower part are positioned on the same plane, and then the rectangular plates are welded with the connecting parts of the channel steels and the angle steel flanges;
(8) and (5) arranging two rectangular plates at the upper ends of the two channel steels according to the mode of the step (7).
The long screw assembly comprises a double-threaded screw, four upper nuts are in threaded connection with the double-threaded screw, the first upper nut compresses the front side face of the front side angle steel flange, the second upper nut compresses the rear side face of the front side steel plate, the third upper nut compresses the front side face of the rear side steel plate, and the fourth upper nut compresses the rear side face of the rear side angle steel flange.
The short screw rod assembly comprises a short screw rod, a base plate and a lower nut in threaded connection with the short screw rod, and the lower nut compresses the steel plate through the base plate.
The rectangular plate is provided with a through hole communicated with the inside of the channel steel.
By adopting the technical scheme, the invention adopts the hole flanging mode to form a plurality of conical flanging structures on the steel plate, so that the length of the through hole on the steel plate is prolonged, the through hole of the thin-wall steel plate can be tapped, and then the screw rod is in threaded connection, thereby achieving the good effect of connecting the two steel plates into a whole. This also greatly reduces the thickness of the steel sheet used.
The long screw rod assembly integrally connects the steel plate and the angle steel flange on the front side with the steel plate and the angle steel flange on the rear side, the distance between the steel plate on the front side and the steel plate on the rear side is limited, and the short screw rod assembly is used for fastening the steel plate on the front side and the angle steel flange and is used for fastening the steel plate on the rear side and the angle steel flange. The two rectangular plates and the two angle steel flanges form a complete connecting flange, and the rectangular plates and the angle steel flanges are not welded with a steel plate with a very thin wall thickness, so that the deformation and even penetration of the steel plate are avoided.
The through holes on the rectangular plate are used for penetrating through concrete poured in the rectangular steel pipes, so that the connection strength of the upper and lower layer steel concrete combined pipes is improved when the upper and lower layer steel concrete combined pipes are connected.
In conclusion, the invention has reasonable design and compact structure, and can fully reduce the thickness of the steel plate (the thickness of the steel plate can be 1-3 mm) by adopting a screw connection mode, thereby reducing the weight and the cost of the reinforced concrete combined pipe.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an assembly schematic diagram between a conical chamfer structure of an angle steel flange and a conical flanging structure of a through hole on a steel plate.
Detailed Description
As shown in figures 1 and 2, the assembling method for the hole flanging and tapping screw connection of the thin-wall steel plates of the reinforced concrete combined pipe comprises the following steps of arranging two channel steels 1 along the vertical direction, arranging the openings of the two channel steels 1 oppositely at the left and right sides, arranging a rectangular steel plate 2 between the front sides and the rear sides of the two channel steels 1 respectively,
(1) the thickness of the two steel plates 2 is 1-3mm, a plurality of through holes 3 are formed in the two steel plates 2 by adopting a hole flanging process to form a conical flanging structure 4, the through holes 3 are arranged according to a rectangular array, and the hole walls of the through holes 3 are tapped; simultaneously, four angle steel flanges 5 with the length equal to the length of the steel plate 2 in the horizontal direction are adopted, the angle steel flanges 5 are made of unequal angle steel, two rows of drill holes 6 are formed in the longer sides of the angle steel flanges 5, the distance between every two adjacent drill holes 6 is equal to the distance between every two holes 3 in the steel plate 2, a conical chamfer structure 7 is arranged on one side of each drill hole 6, and the conical chamfer structure 7 and the shorter sides of the angle steel flanges 5 are respectively positioned on the two sides of the longer side of the angle steel flange 5;
(2) the two channel steels 1 and the two steel plates 2 are made into rectangular steel pipes, the conical flanging structure 4 on the steel plate 2 at the front side is arranged forwards, the conical flanging structure 4 on the steel plate 2 at the rear side is arranged backwards, and the left side and the right side of the steel plate 2 are welded with the channel steel 1 at the left side and the channel steel 1 at the right side into a whole through the lining plate 8;
(3) all other through holes 3 except the two transverse rows of through holes 3 at the uppermost part and the two transverse rows of through holes 3 at the lowermost part of the steel plate 2 are rotatably penetrated by a tie screw (not shown in the figure);
(4) correspondingly placing an angle steel flange 5 at the lowest part of a steel plate 2 at the front side, correspondingly extending two rows of conical flanging structures 4 at the lower part into a conical chamfering structure 7 assembled in the angle steel flange 5, and then penetrating short screw components 12 into one row of through holes 3 at the lower part, so that the angle steel flange 5 and the steel plate 2 at the front side are fixed into a whole;
(5) fixedly mounting the other three angle iron flanges 5 on the uppermost part of the front steel plate 2, the lowermost part of the rear steel plate 2 and the uppermost part of the rear steel plate 2 respectively according to the mode of the step (4);
(6) then, a long screw assembly 9 is used for penetrating into the corresponding through holes 3 of the steel plates 2 at the front and rear sides of the uppermost second row and the corresponding through holes 3 of the steel plates 2 at the front and rear sides of the lowermost second row, so that the steel plates 2 at the front and rear sides and the angle iron flanges 5 are connected into a whole;
(7) two rectangular plates 10 are arranged at the lower ends of the two channel steels 1, the rectangular plates 10 are arranged at the left end and the right end of the two angle steel flanges 5 at the lower part, the lower surfaces of the rectangular plates 10 and the two angle steel flanges 5 at the lower part are positioned on the same plane, and then the connecting parts of the rectangular plates 10, the channel steels 1 and the angle steel flanges 5 are welded;
(8) and (5) arranging two rectangular plates 10 at the upper ends of the two channel steel 1 according to the mode of the step (7).
The long screw assembly 9 comprises a double-threaded screw, four upper nuts are in threaded connection with the double-threaded screw, the first upper nut compresses the front side face of the front side angle steel flange 5, the second upper nut compresses the rear side face of the front side steel plate 2, the third upper nut compresses the front side face of the rear side steel plate 2, and the fourth upper nut compresses the rear side face of the rear side angle steel flange 5.
The short screw rod assembly 12 comprises a short screw rod, a backing plate and a lower nut in threaded connection with the short screw rod, and the lower nut compresses the steel plate 2 through the backing plate.
The rectangular plate 10 is provided with a through hole 11 communicated with the inside of the channel steel 1.
According to the invention, a plurality of conical flanging structures 4 are formed on the steel plate 2 in a hole flanging manner, so that the length of the through hole 3 on the steel plate 2 is prolonged, tapping can be carried out in the through hole 3 of the thin-wall steel plate 2, and then a screw is in threaded connection, thereby achieving a good effect of connecting the two steel plates 2 into a whole. This also greatly reduces the thickness of the steel sheet 2 used.
The long screw assemblies 9 integrally connect the steel plates 2 and the angle iron flanges 5 on the front side with the steel plates 2 and the angle iron flanges 5 on the rear side, and simultaneously limit the distance between the steel plates 2 on the front side and the steel plates 2 on the rear side, and the short screw assemblies 12 are used for fastening the steel plates 2 and the angle iron flanges 5 on the front side and fastening the steel plates 2 and the angle iron flanges 5 on the rear side. The two rectangular plates 10 and the two angle steel flanges 5 form a complete connecting flange, the rectangular plates 10 and the angle steel flanges 5 are not welded with the steel plate 2 with a thin wall thickness, and therefore deformation and even penetration of the steel plate 2 are avoided.
The through holes 11 on the rectangular plate 10 are used for penetrating through concrete poured in the rectangular steel pipes, so that the connection strength of the upper and lower layer steel concrete combined pipes is improved when the upper and lower layer steel concrete combined pipes are connected.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (4)
1. The assembling method for the connection of the steel-concrete combined pipe thin-wall steel plate hole flanging tapping screw rod is characterized in that the steel-concrete combined pipe comprises two channel steels which are arranged along the vertical direction, the two channel steels are oppositely arranged left and right of an opening of the two channel steels, and a steel plate which is rectangular is arranged between the front side and the rear side of each channel steel respectively, and the assembling method comprises the following steps: the assembly method comprises the following steps of,
(1) the thickness of the two steel plates is 1-3mm, a plurality of through holes are formed in the two steel plates by adopting a hole flanging process to form a conical flanging structure, the plurality of through holes are arranged according to a rectangular array, and the hole walls of the through holes are tapped; simultaneously, four angle steel flanges with the length equal to the length of the steel plate in the horizontal direction are adopted, the angle steel flanges are made of unequal angle steel, two rows of drilled holes are formed in the longer sides of the angle steel flanges, the distance between every two adjacent drilled holes is equal to the distance between every two drilled holes in the steel plate, a conical chamfer structure is arranged on one side of each drilled hole, and the conical chamfer structure and the shorter sides of the angle steel flanges are respectively positioned on the two sides of the longer sides of the angle steel flanges;
(2) the two channel steels and the two steel plates are made into rectangular steel pipes, the conical flanging structure on the steel plate at the front side is arranged forwards, the conical flanging structure on the steel plate at the rear side is arranged backwards, and the left side and the right side of the steel plate are welded with the channel steels at the left side and the channel steels at the right side into a whole through the lining plate;
(3) the drawknot screw rods are rotatably penetrated into other through holes except the two transverse rows of through holes at the uppermost part and the two transverse rows of through holes at the lowermost part of the steel plate;
(4) correspondingly placing an angle steel flange at the lowest part of a steel plate at the front side, correspondingly extending two rows of conical flanging structures at the lower part into a conical chamfering structure assembled on the angle steel flange, and then penetrating short screw assemblies into one row of through holes at the lower part to fix the angle steel flange and the steel plate at the front side into a whole;
(5) fixedly mounting the other three angle steel flanges on the uppermost part of the steel plate on the front side, the lowermost part of the steel plate on the rear side and the uppermost part of the steel plate on the rear side respectively according to the mode of the step (4);
(6) then, long screw assemblies are used for penetrating into corresponding through holes of the steel plates on the front side and the rear side of the uppermost second row and the corresponding through holes of the steel plates on the front side and the rear side of the lowermost second row, so that the steel plates on the front side and the rear side and angle steel flanges are connected into a whole;
(7) two rectangular plates are arranged at the lower ends of the two channel steels, the rectangular plates are arranged at the left end part and the right end part of the two angle steel flanges at the lower part, the lower surfaces of the rectangular plates and the two angle steel flanges at the lower part are positioned on the same plane, and then the rectangular plates are welded with the connecting parts of the channel steels and the angle steel flanges;
(8) and (5) arranging two rectangular plates at the upper ends of the two channel steels according to the mode of the step (7).
2. The assembling method for the hole flanging and tapping screw connection of the thin-wall steel plates of the steel-concrete composite pipes according to claim 1, is characterized in that: the long screw assembly comprises a double-threaded screw, four upper nuts are in threaded connection with the double-threaded screw, the first upper nut compresses the front side face of the front side angle steel flange, the second upper nut compresses the rear side face of the front side steel plate, the third upper nut compresses the front side face of the rear side steel plate, and the fourth upper nut compresses the rear side face of the rear side angle steel flange.
3. The assembling method for the hole flanging and tapping screw connection of the thin-wall steel plates of the steel-concrete composite pipes according to claim 1, is characterized in that: the short screw rod assembly comprises a short screw rod, a base plate and a lower nut in threaded connection with the short screw rod, and the lower nut compresses the steel plate through the base plate.
4. The assembling method for the hole flanging and tapping screw connection of the thin-wall steel plates of the steel-concrete composite pipes according to claim 1, is characterized in that: the rectangular plate is provided with a through hole communicated with the inside of the channel steel.
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JP3244614B2 (en) * | 1995-03-10 | 2002-01-07 | 新日本製鐵株式会社 | Deck plate steel orthogonal sandwich structure |
CN101424106A (en) * | 2008-12-02 | 2009-05-06 | 华南理工大学 | Steel sheet regeneration mixed wall and construction method thereof |
CN102400506A (en) * | 2011-09-22 | 2012-04-04 | 姚攀峰 | Template-free energy consumption steel plate shear wall and construction method thereof |
CN105672534A (en) * | 2016-01-23 | 2016-06-15 | 合肥工业大学 | Plug welding type double-steel plate composite shear wall |
CN108331254A (en) * | 2018-03-04 | 2018-07-27 | 天津大学 | Using unilateral bolt double steel plate composite structure |
CN108505647A (en) * | 2018-05-29 | 2018-09-07 | 华侨大学 | A kind of prefabricated assembled profiled sheet concrete shear force wall and its construction method |
CN109457860A (en) * | 2018-10-22 | 2019-03-12 | 北京工业大学 | A kind of assembled light gauge cold-formed steel shape combined shock absorption wall |
CN109610697A (en) * | 2019-01-19 | 2019-04-12 | 太空智造股份有限公司 | One kind assembly of shear wall structure as made of steel plate and shaped steel combination |
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