CN113482155A - Assembly type building node connection structure - Google Patents
Assembly type building node connection structure Download PDFInfo
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- CN113482155A CN113482155A CN202110877470.6A CN202110877470A CN113482155A CN 113482155 A CN113482155 A CN 113482155A CN 202110877470 A CN202110877470 A CN 202110877470A CN 113482155 A CN113482155 A CN 113482155A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—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
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/024—Structures with steel columns and beams
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—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
- E04B2001/2415—Brackets, gussets, joining plates
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—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
Abstract
An assembled building node connecting structure belongs to the technical field of buildings and comprises an I-shaped steel column and an I-shaped steel beam, wherein the I-shaped steel column and the I-shaped steel beam are connected by a position fixing seat and a reducing bolt; the position fixing seat comprises a seat plate, a mounting plate and a supporting plate; the two mounting plates are fixedly arranged in the middle of the seat plate, and the supporting and connecting plates are vertically and fixedly arranged on the mounting plates and the seat plate; the reducing bolt comprises a reducing screw and three nuts, the reducing screw comprises a nut and a reducing screw, the reducing screw comprises a large-diameter screw and a small-diameter screw which are directly connected, the large-diameter screw is provided with a forward-rotation outward thread, the small-diameter screw is provided with a reverse-rotation outward thread, a first nut of the three nuts is matched with the large-diameter screw, and a second nut and a third nut of the three nuts are matched with the small-diameter screw; the positioning seat combined reducing bolt has the advantages that the I-shaped steel column and the I-shaped steel beam can be tightly combined by the positioning seat combined reducing bolt, and the whole body is firmly connected and cannot be loosened.
Description
Technical Field
The invention belongs to the technical field of buildings, and particularly relates to an assembly type building node connecting structure.
Background
In the fabricated building, beam-column joints are the most important joints in a fabricated steel structure system and directly influence the construction speed and the degree of assembly of the structure, so the beam-column joints are connected by high-strength bolts which are convenient to operate as much as possible, the arrangement of the bolts is easy to fasten by workers on site as possible, and the joint structure of the joints is easy to loosen due to the fact that the bolts are used in large quantities and the matching process of the bolts is easy to loosen.
Thus, patent document CN 110185158B discloses a special-shaped column node connection structure for fabricated building, which includes a special-shaped column and a beam vertically installed to the special-shaped column, where a plurality of reinforcements are disposed at the connection position of the beam and the special-shaped column, the reinforcements are distributed on two sides of the beam, and the reinforcements are fixed to the beam and the reinforcements by bolts; through installing a plurality of reinforcement in the junction of crossbeam and special-shaped post, can follow the top below and the middle part of crossbeam and fix a position the crossbeam, fix reinforcement and crossbeam and special-shaped post with the bolt, make staff easy to assemble, shorten installation time, wherein stretch into the bolt of die cavity part and bind with vertical strengthening rib and horizontal strengthening rib, then pour cement concrete to the die cavity inside, through the mode of cement placement and bolt installation combination, make the bolt fixed by cement, when shortening installation time, can make the structure more stable.
Although the scheme can prevent looseness, the scheme is not suitable for steel structure buildings, because the disassembly is inconvenient after cement pouring, only destructive disassembly is needed, and steel materials are easy to rust after the cement is damped, and leakage occurs after the cement is wetted for a long time; and steel structure buildings often need to be disassembled, moved or maintained, so that the scheme is not suitable for popularization and application.
Disclosure of Invention
The invention aims to solve the technical problem of providing a joint connecting structure combining a position fixing seat and a reducing bolt aiming at the defects, so that a column beam is firmly connected and is not easy to loosen under the condition of not using cement concrete.
In order to solve the technical problems, the technical scheme adopted by the invention is that the assembly type building node connecting structure comprises an I-shaped steel column and an I-shaped steel beam, and is characterized in that the I-shaped steel column and the I-shaped steel beam are connected by a position fixing seat and a reducing bolt.
The I-shaped steel column is formed by directly generating one column web plate or fixedly connecting the column web plate with the central lines of two parallel column wing plates; the I-shaped steel beam is formed by directly generating a beam web or fixedly connecting the beam web to the central line of two parallel beam wing plates.
The position fixing seat comprises a seat plate, a mounting plate and a supporting plate; the base plate is a rectangular plate, the width of the base plate is equal to the width of a column wing plate of the I-shaped steel column, the length of the base plate is equal to 2-3 times of the height of the I-shaped steel beam, and the height of the I-shaped steel beam is the distance between the outer surfaces of the two beam wing plates; the width of the connecting plate is equal to the width of a column wing plate, and the length of the connecting plate is equal to 1-2 times of the height of the I-shaped steel beam; the supporting and connecting plate is a right-angled triangular plate, the length of one right-angled side of the supporting and connecting plate is equal to the length of the mounting and connecting plate, and the length of the other right-angled side of the supporting and connecting plate is equal to the half of the length of the seat plate minus the height of the I-shaped steel beam minus two times of the thickness of the mounting and connecting plate; when the seat plate is vertically placed, the two mounting plates are vertically and fixedly mounted in the middle of the seat plate in a horizontal parallel manner to form an upper mounting plate and a lower mounting plate, and the distance between the upper mounting plate and the lower mounting plate is equal to or slightly greater than the height of the I-shaped steel beam; the supporting plate is provided with four or two or six supporting plates, one right-angle side of the supporting plate is vertically and fixedly installed on the assembling plate, the other right-angle side of the supporting plate is vertically and fixedly installed on the seat plate, and the upper side of the upper assembling plate and the lower side of the lower assembling plate are respectively provided with two supporting seats.
The reducing bolt comprises a reducing screw and three nuts, the reducing screw comprises a nut and a reducing screw which are directly connected, the reducing screw comprises a thick-diameter screw and a thin-diameter screw which are directly connected, the thick-diameter screw is provided with a forward-rotation outward thread, the thin-diameter screw is provided with a reverse-rotation outward thread, and the nut is directly generated or fixedly connected on the end face of the thick-diameter screw to form the reducing screw; the three nuts are respectively a first nut, a second nut and a third nut, wherein the internal thread on the first nut is matched with the external thread on the large-diameter screw rod, and the internal threads on the second nut and the third nut are matched with the external thread on the small-diameter screw rod; the three nuts and one reducing screw form a reducing bolt.
A plurality of first column through holes for penetrating through the reducing screw rods are drilled in column wing plates at the node parts of the I-shaped steel columns, a plurality of first beam through holes for penetrating through the reducing screw rods are drilled in beam wing plates at the end edge parts of the I-shaped steel beams, second column through holes corresponding to the first column through holes in a one-to-one mode are drilled in seat plates of the position fixing seats, and second beam through holes corresponding to the first beam through holes in a one-to-one mode are drilled in the assembling and connecting plates; taking two fixing seats to be respectively installed on column wing plates on the left side and the right side of an I-shaped steel column, aligning first column through holes in the column wing plates with second column through holes in a seat plate one by one, penetrating a reducing screw on the reducing screw through a second through hole in the seat plate on the left side and a first through hole in the column wing plate, penetrating a first nut into the reducing screw, screwing a second nut into a thin-diameter screw, penetrating the reducing screw through a first column through hole in the column wing plate on the right side and a second column through hole in the seat plate, screwing a first nut into a thick-diameter screw, tightly abutting against a column wing plate on the left side, screwing a third nut into the thin-diameter screw, tightly abutting against a seat plate on the right side, and reversely rotating a second nut on the thin-diameter screw and tightly abutting against a column wing plate on the right side; thus, all the column through holes are fastened by the reducing bolts; taking two I-shaped steel beams and respectively inserting end edges of the two I-shaped steel beams between an upper assembling plate and a lower assembling plate on a left fixing seat and a right fixing seat, aligning second beam through holes on the upper assembling plate and the lower assembling plate with first beam through holes on beam wing plates one by one, penetrating a reducing screw on the reducing screw through the second beam through hole on the upper assembling plate and the first beam through hole on the upper side beam wing plate, penetrating a first nut into the reducing screw, screwing a second nut into a thin-diameter screw, penetrating the reducing screw through a first through hole on a wing plate of a lower side beam and a second beam through hole on the lower assembling plate, screwing a first nut into a thick-diameter screw and abutting against a wing plate of the upper side beam, screwing a third nut into the thin-diameter screw and abutting against the lower assembling plate, and reversely rotating the second nut on the thin-diameter screw and abutting against a wing plate of the lower side beam; all so with each roof beam through-hole all with reducing bolt fastening, constitute assembled building node connection structure.
The small-diameter screw is provided with a section without external threads, and the rod diameter of the section without external threads is equal to or smaller than the root diameter of the external threads on the small-diameter screw; the thick-diameter screw is provided with a section without external threads, and the length of the section without external threads is less than the sum of the thicknesses of the column wing plate or the beam wing plate and the base plate.
The crest diameter of the external thread on the small-diameter screw is equal to or smaller than the root diameter on the large-diameter screw.
A construction method of a fabricated building node connecting structure comprises the following steps:
the manufacturing method includes the steps that a reducing screw is manufactured, a steel bar is subjected to cold heading to form a structure that a nut is directly generated on a screw, then the rod diameter of the front half section of the screw is cut to be reduced, the screw close to the nut becomes a thick-diameter rod, the screw far away from the nut becomes a thin-diameter rod, then thread rolling is carried out, a forward external thread is rolled out on the thick-diameter rod to form the thick-diameter screw, a reverse external thread is rolled out on the thin-diameter rod to form the thin-diameter screw, and the reducing screw is manufactured on the whole; thus, a plurality of reducing screws are manufactured.
Be equipped with the nut, every reducing screw is equipped with three nuts, and wherein the internal thread of first nut and the external screw thread phase-match on the thick footpath screw rod, the internal thread of second nut and third nut and the external screw thread phase-match on the thin footpath screw rod constitute reducing bolt.
And preparing an I-shaped steel column and an I-shaped steel beam.
Fourthly, manufacturing a position fixing seat, namely manufacturing a seat plate, enabling the width of the seat plate to be equal to that of a column wing plate, and enabling the length of the seat plate to be equal to 2-3 times of the height of the I-shaped steel beam; manufacturing a connecting plate, wherein the width of the connecting plate is equal to the width of the wing plate, and the length of the connecting plate is equal to 1-2 times of the height of the I-shaped steel beam; manufacturing a supporting plate, wherein the supporting plate is a right-angle triangular plate, the length of one right-angle side of the supporting plate is equal to the length of the mounting plate, and the length of the other right-angle side of the supporting plate is equal to the half of the length of the seat plate minus the height of the I-shaped steel beam minus two times of the thickness of the mounting plate; get a bedplate, two dress fishplates and four piece strut fishplates, it places to be vertical form with the bedplate, it places and makes the distance of these two dress fishplates equal to or slightly be greater than the height of I-shaped steel roof beam to be parallel to form two dress fishplates, then be the middle part position of horizontal form vertical welding at the bedplate with the dress fishplate bar that the dress fishplate bar of these two parallel forms, make these two dress fishplate bars be called facial make-up and dress fishplate bar down, again with two piece strut fishplate bar vertical fixation welding on bedplate upside and last dress fishplate bar, with two other piece strut fishplate bar vertical fixation welding on bedplate downside and dress fishplate bar down, constitute the solid seat.
Drilling through holes, drilling a plurality of first column through holes for penetrating the reducing screws on the column wing plates at the node parts of the I-shaped steel columns, drilling a plurality of first beam through holes for penetrating the reducing screws on the beam wing plates at the end edge parts of the I-shaped steel beams, drilling second column through holes which are in one-to-one correspondence with the first column through holes and are used for penetrating the reducing screws on the base plate of the fixing seat, and drilling second beam through holes which are in one-to-one correspondence with the first beam through holes and are used for penetrating the reducing screws on the mounting and connecting plate.
Sixthly, mounting position fixing seats, namely mounting the two position fixing seats on column wing plates on the left side and the right side of the I-shaped steel column respectively, and aligning first column through holes in the column wing plates with second column through holes in the seat plate one by one; after a reducing screw on the reducing screw penetrates through a second through hole on the left side seat plate and a first through hole on the column wing plate, a first nut penetrates through the reducing screw, a second nut is screwed into the small-diameter screw, the reducing screw penetrates through a first column through hole on the right side column wing plate and a second column through hole on the seat plate, the first nut is screwed into the large-diameter screw and abuts against the left side column wing plate, a third nut is screwed into the small-diameter screw and abuts against the right side seat plate, and the second nut reversely rotates on the small-diameter screw and abuts against the right side column wing plate; so all fasten each post through-hole with reducing bolt.
Mounting a cross beam, namely taking two I-shaped steel beams, respectively inserting end edges of the two I-shaped steel beams between an upper mounting plate and a lower mounting plate on a left fixing seat and a right fixing seat, and aligning second beam through holes on the upper mounting plate and the lower mounting plate with first beam through holes on beam wing plates one by one; the method comprises the following steps that a reducing screw on a reducing screw penetrates through a second beam through hole in an upper assembling plate and a first beam through hole in an upper side beam wing plate, a first nut penetrates through the reducing screw, a second nut is screwed into the small-diameter screw, the reducing screw penetrates through a first through hole in a lower side beam wing plate and a second beam through hole in a lower assembling plate, the first nut is screwed into a large-diameter screw and abuts against the upper side beam wing plate, a third nut is screwed into the small-diameter screw and abuts against the lower assembling plate, and the second nut is reversely rotated on the small-diameter screw and abuts against the lower side beam wing plate; all adopt reducing bolt fastening with each roof beam through-hole like this, constitute assembled building node connection structure.
Furthermore, when the reducing bolt assemblies are installed, two groups of reducing bolt assemblies are installed at the same position, reducing screws of the two groups of reducing bolt assemblies penetrate into the through holes in opposite directions, and matched nuts are screwed down.
Compared with the prior art, the invention has the following beneficial effects:
the clamping seat has the advantages that the clamping seat is manufactured, the clamping plates are fixedly mounted on two sides of the seat plate, an I-shaped steel beam can be positioned, the cross beam can be clamped during mounting, and convenience is brought to mounting.
The reducing bolt is manufactured, the large-diameter screw rod is provided with the forward external thread, the small-diameter screw rod is provided with the reverse external thread, the column beam is fastened by the reducing bolt, and the other nut is screwed naturally as long as one nut is unscrewed no matter what direction the column beam is vibrated, so that the reducing bolt cannot be loosened.
And thirdly, during installation, the first nut is tightly abutted to the left side column wing plate on the positive external thread, the second nut is tightly abutted to the right side column wing plate in a reverse rotating mode on the reverse external thread, and the third nut is tightly abutted to the right side seat plate on the reverse external thread.
The reducing screw rod in the reducing bolt not only provides a reverse screwing structure, but also has the effect of a reinforcing rib.
And fifthly, reversely installing the two groups of reducing bolts at the same position, so that the nuts can be fastened on the outer sides of the fastened pieces, and the fastened pieces cannot be loosened.
Drawings
Fig. 1 is a schematic view of an overall structure of a fabricated building node connection structure according to the present invention.
Fig. 2 is a schematic front view of fig. 1.
Fig. 3 is an exploded view of fig. 1.
Fig. 4 is a schematic structural view of the retaining base of the present invention.
FIG. 5 is a schematic structural diagram of various components in the reducing bolt assembly according to the present invention.
Fig. 6 is a schematic structural view of the embodiment 3 in which two groups of reducing bolts at the same position are installed in opposite directions.
In the figure: 1. i-shaped steel column, 2I-shaped steel beam, 3 fixing seat, 4 column web plate, 5 column wing plate, 6 beam web plate, 7 beam wing plate, 8 seat plate, 9 assembling plate, 10 supporting and connecting plate, 11 upper assembling and connecting plate, 12 lower assembling and connecting plate, 13 reducing screw, 14 nut, 15 reducing screw, 16 large diameter screw, 17 small diameter screw, 18 first nut, 19 second nut, 20 third nut, 21 first column through hole, 22 first beam through hole, 23 second column through hole, 24 second beam through hole, 25 first reducing screw, 26 second reducing screw, 27 third reducing screw upper and 28 fourth reducing screw.
Detailed Description
The present invention is further illustrated by the following examples, which are intended to illustrate the invention but not to limit it further, and should not be construed as limiting the scope of the invention.
Example 1.
As shown in the figure, the fabricated building joint connecting structure comprises an I-shaped steel column 1 and an I-shaped steel beam 2, and the I-shaped steel column 1 and the I-shaped steel beam 2 are connected through a position fixing seat 3 and a reducing bolt assembly.
The I-shaped steel column 1 is formed by directly generating or fixedly connecting a column web 4 to the central line of two parallel column wing plates 5; the i-shaped steel beam 2 is formed by directly forming or fixedly connecting a beam web 6 to the central line of two parallel beam flanges 7.
The position fixing seat 3 comprises a seat plate 8, a mounting plate 9 and a supporting and connecting plate 10; the base plate 8 is a rectangular plate, the width of the base plate is equal to the width of the column wing plate 5 of the I-shaped steel column 1, the length of the base plate is equal to 2-3 times of the height of the I-shaped steel beam 2, and the height of the I-shaped steel beam 2 is the distance between the outer surfaces of the two beam wing plates 7; the width of the connecting plate 9 is equal to the width of the column wing plate 5, and the length of the connecting plate 9 is equal to 1-2 times of the height of the I-shaped steel beam 2; the supporting plate 10 is a right-angled triangular plate, the length of one right-angled side of the supporting plate is equal to the length of the mounting plate 9, and the length of the other right-angled side is equal to the length of the seat plate 8 minus the height of the I-shaped steel beam 2 minus half of the thickness of the mounting plate 9; when the seat plate 8 is vertically placed, the two mounting plates 9 are vertically and fixedly mounted in the middle of the seat plate 8 in a horizontal parallel shape to form an upper mounting plate 11 and a lower mounting plate 12, and the distance between the upper mounting plate 11 and the lower mounting plate 12 is equal to or slightly greater than the height of the I-shaped steel beam 2; the supporting plates 10 are four, one right-angle side of each supporting plate 10 is vertically and fixedly installed on the assembling plate 9, the other right-angle side of each supporting plate is vertically and fixedly installed on the seat plate 8, and the two supporting plates 10 are respectively installed on the upper side of the upper assembling plate 11 and the lower side of the lower assembling plate 12 to form the position fixing seat 3.
The reducing bolt assembly comprises a reducing screw 13 and three nuts, the reducing screw 13 comprises a nut 14 and a reducing screw 15 which are directly connected, the reducing screw 15 comprises a large-diameter screw 16 and a small-diameter screw 17 which are directly connected, the large-diameter screw 16 is provided with a forward-rotating outward thread, the small-diameter screw 17 is provided with a reverse-rotating outward thread, and the nut 14 is directly generated on the end surface of the large-diameter screw 16 to form the reducing screw 13; the three nuts are respectively a first nut 18, a second nut 19 and a third nut 20, wherein the internal thread on the first nut 18 is matched with the external thread on the large-diameter screw 16, so that the first nut can be screwed on the large-diameter screw 16, the internal threads on the second nut 19 and the third nut 20 are matched with the external thread on the small-diameter screw 17, and the second nut 19 and the third nut 20 can be screwed on the small-diameter screw 17; the three nuts and one reducing screw 13 form a reducing bolt assembly together.
A plurality of first column through holes 21 for penetrating through the reducing screw rods 15 are drilled in a column wing plate 5 at the node part of the I-shaped steel column 1, a plurality of first beam through holes 22 for penetrating through the reducing screw rods 15 are drilled in a beam wing plate 7 at the end edge part of the I-shaped steel beam 2, second column through holes 23 corresponding to the first column through holes 21 in a one-to-one manner are drilled in a base plate 8 of the fixing seat 3, and second beam through holes 24 corresponding to the first beam through holes 22 in a one-to-one manner are drilled in the assembling plate 9; taking two fixing seats 3 to be respectively installed on column wing plates 5 on the left side and the right side of an I-shaped steel column 1, aligning first column through holes 21 in the column wing plates 5 with second column through holes 23 in a seat plate 8 one by one, penetrating reducing screws 15 on the reducing screws 13 through second through holes 23 in a seat plate on the left side and the first through holes 21 in the column wing plates, penetrating first nuts 18 into the reducing screws 15, then screwing second nuts 19 into the small-diameter screws 17, penetrating the reducing screws 15 through first column through holes 21 in a column wing plate on the right side and the second column through holes 23 in the seat plate, then screwing the first nuts 18 into the large-diameter screws 16 and abutting against the column wing plate on the left side, screwing third nuts 20 into the small-diameter screws 17 and abutting against the seat plate on the right side, and reversely rotating the second nuts 19 on the small-diameter screws 17 and abutting against the column wing plate on the right side; thus, all the column through holes are fastened by the reducing bolt assemblies; two I-shaped steel beams 2 are taken and the end edges thereof are respectively inserted between an upper assembling plate 11 and a lower assembling plate 12 on a left fixing seat 3 and a right fixing seat 3, and the second beam through holes 24 on the upper assembling plate 11 and the lower assembling plate 12 are aligned with the first beam through holes 22 on the beam wing plates one by one, the reducing screw 15 on the reducing screw 13 passes through the second beam through hole 24 on the upper assembling plate 11 and the first beam through hole 22 on the upper side beam wing plate, the first nut 18 passes through the reducing screw 15, the second nut 19 is screwed on the thin-diameter screw 17, the reducing screw 15 passes through the first beam through hole 22 on the lower side beam wing plate and the second beam through hole 24 on the lower assembling plate upper 12, then screwing the first nut 18 into the large-diameter screw 16 and tightly abutting against the wing plate of the upper side beam, screwing the third nut 20 into the small-diameter screw 17 and tightly abutting against the lower mounting plate 12, and reversely rotating the second nut 19 on the small-diameter screw 17 and tightly abutting against the wing plate of the lower side beam; all fasten each roof beam through-hole so with reducing bolt assembly, constitute assembled building node connection structure.
Example 2.
As shown in the figure, the construction method of the assembly type building node connecting structure comprises the following steps:
firstly, manufacturing a reducing screw 13, performing cold heading on a steel bar to form a structure that a nut 14 is directly generated on a screw, then cutting and reducing the rod diameter of the front half section of the screw to enable the screw close to the nut 14 to be a thick-diameter rod and the screw far away from the nut to be a thin-diameter rod, then performing thread rolling, rolling a positive external thread on the thick-diameter rod to form a thick-diameter screw 16, rolling a reverse external thread on the thin-diameter rod to form a thin-diameter screw 17, and manufacturing the reducing screw 13 on the whole; the variable diameter screw 13 is convenient for a nut which is matched with the positive external thread screw to fasten to smoothly pass through the reverse external thread screw to reach the section of the positive external thread screw and to be screwed, if the variable diameter screw is a same-diameter screw, the purpose cannot be achieved, and thus a plurality of variable diameter screws 13 are manufactured.
And nuts are arranged, each variable diameter screw 13 is provided with three nuts, wherein the internal thread of the first nut 18 is matched with the positive external thread on the large-diameter screw, and the internal threads of the second nut 19 and the third nut 20 are matched with the negative external thread on the small-diameter screw 17, so that the variable diameter bolt assembly is formed.
And preparing an I-shaped steel column 1 and an I-shaped steel beam 2.
Fourthly, preparing a position fixing seat 3, firstly preparing a seat plate 8, enabling the width of the seat plate 8 to be equal to that of the column wing plate 5, and enabling the length of the seat plate 8 to be equal to 2-3 times of the height of the I-shaped steel beam 2; manufacturing an attachment plate 9, wherein the width of the attachment plate 9 is equal to that of the column wing plate 5, and the length of the attachment plate 9 is equal to 1-2 times of the height of the I-shaped steel beam 2; manufacturing a supporting plate 10, and manufacturing the supporting plate 10 into a right-angled triangular plate, wherein the length of one right-angled side of the supporting plate is equal to the length of the mounting plate 9, and the length of the other right-angled side of the supporting plate is equal to the length of the seat plate 8 minus the height of the I-shaped steel beam 2 minus half of the thickness of the mounting plate 9 twice; taking a seat plate 8, two mounting plates 9 and four supporting plates 10, vertically placing the seat plate 8, placing the two mounting plates 9 in parallel and enabling the parallel distance of the two mounting plates 9 to be equal to or slightly greater than the height of the I-shaped steel beam 1, then horizontally and vertically welding the two parallel mounting plates 9 at the middle position of the seat plate 8, respectively calling the two mounting plate scales 9 as an upper mounting plate 11 and a lower mounting plate 12, and vertically and fixedly welding the two supporting plates 10 on the upper side of the seat plate 8 and the upper mounting plate 11, namely vertically welding a right-angle edge of the supporting plate 10 on the upper side of the seat plate 8 and vertically welding the other right-angle edge on the upper mounting plate 11; the other two supporting plates 10 are vertically and fixedly welded on the lower side of the seat plate 8 and the lower mounting plate 12, namely, one right-angle edge of each supporting plate 10 is vertically welded on the lower side of the seat plate 8, and the other right-angle edge is vertically welded on the lower mounting plate 12; forming a retention seat 3.
Fifthly, drilling through holes, drilling a plurality of first column through holes 21 for penetrating through the reducing screws 15 on the column wing plates 5 at the node parts of the I-shaped steel columns 1, drilling a plurality of first beam through holes 22 for penetrating through the reducing screws 15 on the beam wing plates 7 at the end edge parts of the I-shaped steel beams 2, drilling second beam through holes 23 which are in one-to-one correspondence with the first column through holes 21 and are used for penetrating through the reducing screws 15 on the seat plates 8 of the fixing seats 3, and drilling second beam through holes 24 which are in one-to-one correspondence with the first beam through holes 22 and are used for penetrating through the reducing screws 15 on the assembling and connecting plates 9.
Sixthly, mounting the position fixing seats 3, namely mounting the two position fixing seats 3 on the column wing plates 5 on the left side and the right side of the I-shaped steel column 1 respectively, and aligning the first column through holes 21 in the column wing plates 5 with the second column through holes 23 in the seat plate 8 one by one; taking a plurality of reducing bolt assemblies, enabling a reducing screw 15 on a reducing screw 13 to penetrate through a second column through hole 23 on a left side seat plate and a first column through hole 21 on a column wing plate 5, then enabling a first nut 18 to penetrate through the reducing screw 15, then enabling a second nut 19 to be screwed in a small-diameter screw 17, enabling the reducing screw 15 to penetrate through the first column through hole 21 on a right side column wing plate and the second column through hole 23 on the right side seat plate, then enabling the first nut 18 to be screwed in a large-diameter screw 16 and abut against the left side column wing plate, enabling a third nut 20 to be screwed in the small-diameter screw 17 and abut against the right side seat plate, and then enabling the second nut 19 to reversely rotate on the small-diameter screw 17 and abut against the right side column wing plate; thus, since the second nut 19 and the third nut 20 are reversely screwed to each other to abut against and fasten the right flange and the right seat plate to each other, regardless of how the vibration is applied, as long as one of the nuts is unscrewed, the other nut is inevitably screwed, and this portion may only be loosened by the small-diameter screw 17 if loosened, but since the small-diameter screw 17 is integrally coupled to the large-diameter screw 16 and the small-diameter screw 17 is loosened to inevitably bring the large-diameter screw 16 into the same direction as the direction of the loosening, since the nut 14 is fixed to the large-diameter screw 16 and the first nut 18 is positively screwed to the large-diameter screw 16, the first nut 18 is screwed to the large-diameter screw 16 to abut against and fasten the left flange and the left seat plate in conjunction with the nut 14, and since the left flange and the right flange are integrally coupled to each other through the web 4, when the large-diameter screw 16 tends to loosen, the first nut 18 is inevitably screwed, therefore, the variable-diameter bolt assembly cannot be loosened on the whole, and the bolt assembly cannot be loosened on the whole even if the nut and the nut are fixed without cement. So all fasten each post through-hole with reducing bolt assembly.
Mounting the cross beam, namely taking two I-shaped steel beams 2, respectively inserting end edges of the I-shaped steel beams between an upper mounting plate 11 and a lower mounting plate 12 on a left fixing seat 3 and a right fixing seat 3, and aligning second beam through holes 24 on the upper mounting plate 11 and the lower mounting plate 12 with first beam through holes 22 on beam wing plates 7 one by one; taking a plurality of reducing bolt assemblies, enabling a reducing screw 15 on a reducing screw 13 to penetrate through a second beam through hole 24 on an upper assembling plate 11 and a first beam through hole 22 on an upper side beam wing plate, enabling a first nut 18 to penetrate through the reducing screw 15, then screwing a second nut 19 onto a small-diameter screw 17, enabling the reducing screw 15 to penetrate through a first through hole 22 on a lower side beam wing plate and a second beam through hole 24 on a lower assembling plate 12, then screwing the first nut 18 into a large-diameter screw 16 and abutting against the upper side beam wing plate, screwing a third nut 20 into the small-diameter screw 17 and abutting against the lower assembling plate 12, and then reversely rotating the second nut 19 on the small-diameter screw 17 and abutting against the lower side beam wing plate; similarly, the mounting method makes the reducing bolt assembly not to loosen on the whole, the third nut 20 may fall off under long-term vibration, but the first nut 18 and the second nut 19 may not fall off, even if the third nut 20 falls off, since the upper mounting plate 11 and the lower mounting plate 12 are fixedly mounted on the same seat plate 8, the h-shaped steel beam 2 can still be fastened and connected without loosening; all adopt reducing bolt assembly fastening with each roof beam through-hole like this, constitute assembled building node connection structure.
Example 3.
Furthermore, when the reducing bolt assemblies are installed, two groups of reducing bolt assemblies are installed at the same position, reducing screws of the two groups of reducing bolt assemblies penetrate into the through holes in opposite directions, and matched nuts are screwed down.
As shown in fig. 6, on the upper portion of the i-shaped steel column 1, the reducing screw 15 on the first reducing screw 25 firstly passes through the second column through hole 23 on the left side seat plate and the first column through hole 21 on the left side column wing plate, the first nut 18 and the second nut 19 are installed, then the reducing screw 15 is screwed into the third nut 20 from the first column through hole 21 on the right side column wing plate and the second column through hole 23 on the right side seat plate; then the reducing screw 15 on the second reducing screw 26 passes through the second column through hole 23 on the right side seat plate and the first column through hole 21 on the right side column wing plate, the first nut 18 and the second nut 19 are arranged, then the reducing screw 15 passes through the first column through hole 21 on the left side column wing plate and the second column through hole 23 on the left side seat plate, and then the third nut 20 is screwed in; even if the third nut 20 located outside falls off, the first nut 18 and the second nut 19 cannot fall off and are abutted against each other in opposite directions, and meanwhile, the two nuts 14 are fastened on the left side and the right side of the left seat plate and the right seat plate, so that the falling off of the third nut 20 cannot affect the installation stability of the retaining seat 3.
Similarly, as shown in fig. 6, on the right side of the i-shaped steel column 1, the reducing screw 15 on the third reducing screw 27 firstly passes through the second beam through hole 24 on the upper mounting plate 11 and the first beam through hole 22 on the upper side beam wing plate, the first nut 18 and the second nut 19 are installed, then the reducing screw 15 passes through the first beam through hole 22 on the lower side beam wing plate and the second beam through hole 24 on the lower mounting plate 12, and then the third nut is screwed; then, a reducing screw on a fourth reducing screw penetrates through a second beam through hole 24 on the lower assembling plate 12 and a first beam through hole 22 on the lower side beam wing plate, a first nut 18 and a second nut 19 are installed, then a reducing screw 15 penetrates through the first beam through hole 22 on the upper side beam wing plate and the second beam through hole 24 on the upper assembling plate 11, and then the third nut 20 is screwed in; therefore, even if the third nuts 20 located on the outer side fall off, the first nuts 18 and the second nuts 19 cannot fall off and are abutted against each other in the opposite directions, and meanwhile, the two nuts 14 are fastened on the upper side and the lower side of the upper and lower mounting plates, so that the falling-off of the third nuts 20 cannot affect the mounting stability of the I-shaped steel beam 2; thus, two groups of reducing bolts at the same position are reversely installed, so that the nuts 14 can be fastened on the outer sides of the fastened pieces, and the fastened pieces cannot loosen.
Claims (8)
1. The assembled building node connecting structure comprises an I-shaped steel column and an I-shaped steel beam, and is characterized in that the I-shaped steel column and the I-shaped steel beam are connected through a position fixing seat and a reducing bolt.
2. The fabricated building node connection structure of claim 1, wherein the retention seat comprises a seat plate, an attachment plate, and a bracing plate; the base plate is a rectangular plate, the width of the base plate is equal to the width of a column wing plate of the I-shaped steel column, and the length of the base plate is equal to 2-3 times of the height of the I-shaped steel beam; the width of the connecting plate is equal to the width of a column wing plate, and the length of the connecting plate is equal to 1-2 times of the height of the I-shaped steel beam; the supporting and connecting plate is a right-angled triangular plate, the length of one right-angled side of the supporting and connecting plate is equal to the length of the mounting and connecting plate, and the length of the other right-angled side of the supporting and connecting plate is equal to the half of the length of the seat plate minus the height of the I-shaped steel beam minus two times of the thickness of the mounting and connecting plate; when the seat plate is vertically placed, the two mounting plates are vertically and fixedly mounted in the middle of the seat plate in a horizontal parallel manner to form an upper mounting plate and a lower mounting plate, and the distance between the upper mounting plate and the lower mounting plate is equal to or slightly greater than the height of the I-shaped steel beam; the supporting and connecting pieces are four in number, one right-angle side of each supporting and connecting piece is vertically and fixedly installed on the assembling and connecting plate, the other right-angle side of each supporting and connecting piece is vertically and fixedly installed on the seat plate, and the two supporting and connecting pieces are installed on the upper side of the upper assembling and connecting plate and the lower side of the lower assembling and connecting plate respectively to form a position fixing seat.
3. The fabricated building node connection structure of claim 2, wherein the variable diameter bolt comprises a variable diameter screw and three nuts; the reducing screw comprises a nut and a reducing screw rod which are directly connected, the reducing screw rod comprises a large-diameter screw rod and a small-diameter screw rod which are directly connected, the large-diameter screw rod is provided with a forward-rotation outward thread, the small-diameter screw rod is provided with a reverse-rotation outward thread, and the nut is directly generated or fixedly connected on the end face of the large-diameter screw rod to form the reducing screw; the three nuts are respectively a first nut, a second nut and a third nut, wherein the internal thread on the first nut is matched with the external thread on the large-diameter screw rod, and the internal threads on the second nut and the third nut are matched with the external thread on the small-diameter screw rod; the three nuts and one reducing screw form a reducing bolt.
4. The assembly type building node connection structure according to claim 3, wherein a plurality of first column through holes for passing through the reducing screws are drilled in the column wing plate at the node portion of the I-shaped steel column, a plurality of first beam through holes for passing through the reducing screws are drilled in the beam wing plate at the end edge portion of the I-shaped steel beam, second column through holes corresponding to the first column through holes one to one are drilled in the seat plate of the retention seat, and second beam through holes corresponding to the first beam through holes one to one are drilled in the mounting plate; taking two fixing seats to be respectively installed on column wing plates on the left side and the right side of an I-shaped steel column, aligning first column through holes in the column wing plates with second column through holes in a seat plate one by one, penetrating a reducing screw on the reducing screw through a second through hole in the seat plate on the left side and a first through hole in the column wing plate, penetrating a first nut into the reducing screw, screwing a second nut into a thin-diameter screw, penetrating the reducing screw through a first column through hole in the column wing plate on the right side and a second column through hole in the seat plate, screwing a first nut into a thick-diameter screw, tightly abutting against a column wing plate on the left side, screwing a third nut into the thin-diameter screw, tightly abutting against a seat plate on the right side, and reversely rotating a second nut on the thin-diameter screw and tightly abutting against a column wing plate on the right side; thus, all the column through holes are fastened by the reducing bolts; taking two I-shaped steel beams and respectively inserting end edges of the two I-shaped steel beams between an upper assembling plate and a lower assembling plate on a left fixing seat and a right fixing seat, aligning second beam through holes on the upper assembling plate and the lower assembling plate with first beam through holes on beam wing plates one by one, penetrating a reducing screw on the reducing screw through the second beam through hole on the upper assembling plate and the first beam through hole on the upper side beam wing plate, penetrating a first nut into the reducing screw, screwing a second nut into a thin-diameter screw, penetrating the reducing screw through a first through hole on a wing plate of a lower side beam and a second beam through hole on the lower assembling plate, screwing a first nut into a thick-diameter screw and abutting against a wing plate of the upper side beam, screwing a third nut into the thin-diameter screw and abutting against the lower assembling plate, and reversely rotating the second nut on the thin-diameter screw and abutting against a wing plate of the lower side beam; so fasten the even reducing bolt of each roof beam through-hole, constitute assembled building node connection structure.
5. The fabricated building node connection structure of claim 4, wherein the small-diameter screw rod is provided with a section without external threads, and the rod diameter of the section without external threads is equal to or smaller than the root diameter of the external threads on the small-diameter screw rod; the thick-diameter screw is provided with a section without external threads, and the length of the section without external threads is less than the sum of the thicknesses of the column wing plate or the beam wing plate and the base plate.
6. The fabricated building node connection structure of claim 5, wherein a crest diameter of the external thread on the small-diameter screw rod is equal to or smaller than a root diameter on the large-diameter screw rod.
7. A construction method of a fabricated building node connecting structure comprises the following steps:
the manufacturing method includes the steps that a reducing screw is manufactured, a steel bar is subjected to cold heading to form a structure that a nut is directly generated on a screw, then the rod diameter of the front half section of the screw is cut to be reduced, the screw close to the nut becomes a thick-diameter rod, the screw far away from the nut becomes a thin-diameter rod, then thread rolling is carried out, a forward external thread is rolled out on the thick-diameter rod to form the thick-diameter screw, a reverse external thread is rolled out on the thin-diameter rod to form the thin-diameter screw, and the reducing screw is manufactured on the whole; thus, a plurality of variable diameter screws are manufactured;
nuts are arranged, and each variable-diameter screw is provided with three nuts, wherein the internal thread of the first nut is matched with the external thread on the large-diameter screw, and the internal threads of the second nut and the third nut are matched with the external thread on the small-diameter screw, so that the variable-diameter bolt is formed;
preparing an I-shaped steel column and an I-shaped steel beam;
fourthly, manufacturing a position fixing seat, namely manufacturing a seat plate, enabling the width of the seat plate to be equal to that of a column wing plate, and enabling the length of the seat plate to be equal to 2-3 times of the height of the I-shaped steel beam; manufacturing a connecting plate, wherein the width of the connecting plate is equal to the width of the wing plate, and the length of the connecting plate is equal to 1-2 times of the height of the I-shaped steel beam; manufacturing a supporting plate, wherein the supporting plate is a right-angle triangular plate, the length of one right-angle side of the supporting plate is equal to the length of the mounting plate, and the length of the other right-angle side of the supporting plate is equal to the half of the length of the seat plate minus the height of the I-shaped steel beam minus two times of the thickness of the mounting plate; taking a seat plate, two assembling plates and four supporting plates, vertically placing the seat plate, placing the two assembling plates in parallel and enabling the distance between the two assembling plates to be equal to or slightly larger than the height of the I-shaped steel beam, then vertically welding the two parallel assembling plates in a horizontal shape at the middle position of the seat plate, enabling the two assembling plates to be called an upper assembling plate and a lower assembling plate, vertically and fixedly welding the two supporting plates on the upper side of the seat plate and the upper assembling plate, and vertically and fixedly welding the other two supporting plates on the lower side of the seat plate and the lower assembling plate to form a position fixing seat;
drilling through holes, drilling a plurality of first column through holes for penetrating the reducing screws on the column wing plates at the node parts of the I-shaped steel columns, drilling a plurality of first beam through holes for penetrating the reducing screws on the beam wing plates at the end edge parts of the I-shaped steel beams, drilling second column through holes which are in one-to-one correspondence with the first column through holes and are used for penetrating the reducing screws on the seat plate of the fixing seat, and drilling second beam through holes which are in one-to-one correspondence with the first beam through holes and are used for penetrating the reducing screws on the mounting and connecting plate;
sixthly, mounting position fixing seats, namely mounting the two position fixing seats on column wing plates on the left side and the right side of the I-shaped steel column respectively, and aligning first column through holes in the column wing plates with second column through holes in the seat plate one by one; after a reducing screw on the reducing screw penetrates through a second through hole on the left side seat plate and a first through hole on the column wing plate, a first nut penetrates through the reducing screw, a second nut is screwed into the small-diameter screw, the reducing screw penetrates through a first column through hole on the right side column wing plate and a second column through hole on the seat plate, the first nut is screwed into the large-diameter screw and abuts against the left side column wing plate, a third nut is screwed into the small-diameter screw and abuts against the right side seat plate, and the second nut reversely rotates on the small-diameter screw and abuts against the right side column wing plate; thus, all the column through holes are fastened by the reducing bolts;
mounting a cross beam, namely taking two I-shaped steel beams, respectively inserting end edges of the two I-shaped steel beams between an upper mounting plate and a lower mounting plate on a left fixing seat and a right fixing seat, and aligning second beam through holes on the upper mounting plate and the lower mounting plate with first beam through holes on beam wing plates one by one; the method comprises the following steps that a reducing screw on a reducing screw penetrates through a second beam through hole in an upper assembling plate and a first beam through hole in an upper side beam wing plate, a first nut penetrates through the reducing screw, a second nut is screwed into the small-diameter screw, the reducing screw penetrates through a first through hole in a lower side beam wing plate and a second beam through hole in a lower assembling plate, the first nut is screwed into a large-diameter screw and abuts against the upper side beam wing plate, a third nut is screwed into the small-diameter screw and abuts against the lower assembling plate, and the second nut is reversely rotated on the small-diameter screw and abuts against the lower side beam wing plate; so fasten the even reducing bolt of each roof beam through-hole, constitute assembled building node connection structure.
8. The construction method of the fabricated building node connection structure according to claim 7, wherein when the variable diameter bolt assemblies are installed, two sets of variable diameter bolt assemblies are installed at the same position, variable diameter screws of the two sets of variable diameter bolt assemblies are oppositely inserted into the through holes from opposite directions, and matched nuts are tightened.
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| CN202110877470.6A CN113482155A (en) | 2021-07-31 | 2021-07-31 | Assembly type building node connection structure |
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| CN112814156A (en) * | 2021-01-06 | 2021-05-18 | 重庆沫梦硕科技有限公司 | Steel structure node connecting device |
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