CN112095810A - Prefabricated house connecting piece system - Google Patents
Prefabricated house connecting piece system Download PDFInfo
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- CN112095810A CN112095810A CN202010955674.2A CN202010955674A CN112095810A CN 112095810 A CN112095810 A CN 112095810A CN 202010955674 A CN202010955674 A CN 202010955674A CN 112095810 A CN112095810 A CN 112095810A
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- China
- Prior art keywords
- node
- connecting piece
- upright post
- corner
- node connecting
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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
- E04B1/18—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
- E04B1/18—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
Abstract
The invention discloses an assembly type house connecting piece system which at least comprises one layer of frame, wherein each layer of frame is formed by mutually splicing a plurality of unit surfaces through upright posts and connecting pieces, each unit surface comprises cross beams which are mutually connected to form a square plane, the cross beams are connected through corner pieces, the upright posts comprise single-node upright posts, double-node upright posts and four-node upright posts, and the connecting pieces comprise single-node connecting pieces, double-node connecting pieces and four-node connecting pieces. The corner fitting comprises a plurality of connecting pieces and matched stand columns, and is beneficial to realizing standardization, customization and systematization of connecting pieces of a multilayer assembly type integrated house.
Description
Technical Field
The invention relates to the technical field of integrated houses, in particular to an assembly type house connecting piece system.
Background
The technology of the 21 st century assembled integrated house is rapidly popularized, and the construction development of the building house with low cost, high level and short construction period is realized mainly through professional design, standard production and modular construction assembly. The integrated house has the advantages of convenience in installation, convenience in transportation, energy conservation, environmental friendliness and reusability.
The beam and the upright post of the general integrated house are directly welded to each other to realize connection in a construction site, and the beam and the upright post are connected by prefabricating a connecting piece in a factory and then welding the beam and the connecting piece, and the upright post and the connecting piece in the construction site. In this way, welding is needed in a construction site, the installation progress is slow, the precision is low, and a large gap is easily formed between the cross beam and the cross beam or between the cross beam and the upright column, so that improvement is urgently needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an assembly type house connecting piece system, which is beneficial to realizing standardization, customization and systematization of a multilayer assembly type integrated house connecting piece through a plurality of connecting pieces of a corner piece and matched stand columns.
In order to achieve the purpose, the invention adopts the following technical scheme: the frame structure at least comprises one layer of frame, each layer of frame is formed by splicing a plurality of unit surfaces through upright posts and connecting pieces, each unit surface comprises cross beams which are connected with each other to form a square plane, the cross beams are connected through corner pieces, the upright posts comprise single-node upright posts, double-node upright posts and four-node upright posts, and the connecting pieces comprise single-node connecting pieces, double-node connecting pieces and four-node connecting pieces;
the corner pieces of two adjacent unit surfaces up and down distributed along the Z direction are connected with a single-node connecting piece, a single-node upright post is connected between the two adjacent single-node connecting pieces up and down, the frame at least comprises four edge angles, and the two corresponding single-node connecting pieces up and down positioned at the edge angles are connected through the single-node upright post;
two adjacent unit surfaces distributed along the X-axis or Y-axis direction are connected through a double-node connecting piece, the double-node connecting piece is connected with two adjacent corner pieces on the same layer, a double-node upright post is connected between two adjacent double-node connecting pieces above and below, and the double-node upright post is connected with the upper layer of unit surface and the lower layer of unit surface which are positioned outside the frame except the edge angle of the outer side of the frame;
the four unit faces located on the same layer are connected through the four-node connecting piece to form a field-shaped plane, the four-node connecting piece is located at the center of the field-shaped plane, the four-node connecting piece is connected with the four-node stand columns vertically adjacent to the four-node connecting piece, and the four-node stand columns are connected with the two layers of unit faces vertically adjacent to the inside of the frame.
The cross beam and the corner fittings are connected in a welding mode, the cross beam is a hollow square beam, limiting rings are arranged at the connecting positions of the side faces of the corner fittings and the cross beam in an outward extending mode, and the limiting rings are inserted into the cross beam.
The corner fitting is L-shaped, a plurality of reinforcing ribs extend inwards in the corner fitting, and the reinforcing ribs are L-shaped and consistent with the corner fitting in direction.
The upright post further comprises a three-node upright post, the connecting piece further comprises three-node connecting pieces, when any one unit surface of the four unit surfaces which are enclosed into the shape of the Chinese character tian is cancelled, the rest three unit surfaces are connected through the three-node connecting pieces, the three-node connecting pieces are connected with the adjacent three corner pieces, and the three-node upright post is connected between the two vertically adjacent three-node connecting pieces.
The single-node connecting piece is connected with the single-node upright post in a welding mode and comprises a first bottom plate and a first top plate, the first bottom plate is connected with the first top plate through a first supporting rib, a first limiting rib is arranged on one side, close to the single-node upright post, of the first top plate, the single-node upright post is of a hollow structure, and the first limiting rib is inserted into the single-node upright post;
the double-node connecting piece is connected with the double-node upright posts in a welding mode and comprises a second bottom plate and a second top plate, the second bottom plate and the second top plate are connected through second supporting ribs, second limiting ribs are arranged on one side, close to the double-node upright posts, of the second top plate, the double-node upright posts are of hollow structures, and the second limiting ribs are inserted into the double-node upright posts;
the four-node connecting piece is connected with the four-node stand column in a welding mode, the four-node connecting piece comprises a third bottom plate and a third top plate, the third bottom plate is connected with the third top plate through a third supporting rib, a third limiting rib is arranged on one side, close to the four-node stand column, of the third top plate, the four-node stand column is of a hollow structure, and the third limiting rib is inserted into the four-node stand column.
The upper surface and the lower surface of the corner piece are provided with threaded holes and positioning holes sunk into the corner piece;
the corner fitting is connected with the single-node connecting piece through a bolt, the first base plate is provided with a first through hole which corresponds to the threaded hole and penetrates through the first base plate, the bolt penetrates through the first through hole and is screwed into the threaded hole, the first base plate extends outwards and is provided with a first limiting convex point which corresponds to the positioning hole of the single corner fitting, and the first limiting convex point is inserted into the positioning hole for positioning;
the double-node connecting piece is used for connecting two adjacent corner pieces by bolts, the second base plate is provided with second through holes corresponding to the threaded holes of the two corner pieces, the second through holes penetrate through the second base plate, the bolts penetrate through the second through holes and are screwed into the threaded holes, second limiting convex points corresponding to the positioning holes of the two corner pieces extend outwards from the second base plate, and the second limiting convex points are respectively inserted into the positioning holes of the two corner pieces for positioning;
the four-node connecting piece is connected with four corner pieces through bolts, a third through hole corresponding to threaded holes of the four corner pieces is formed in the third base plate, the third through hole penetrates through the third base plate, the bolts penetrate through the third through hole and are screwed into the threaded holes, third limiting convex points corresponding to positioning holes of the four corner pieces extend outwards from the third base plate, and the third limiting convex points are inserted into the positioning holes of the four corner pieces respectively for positioning.
The three-node connecting piece is L-shaped, and is welded with the three-node stand column, and comprises a fourth bottom plate and a fourth top plate, wherein the fourth bottom plate and the fourth top plate are connected through a fourth supporting rib, a fourth limiting rib is arranged on one side, close to the three-node stand column, of the fourth top plate, the three-node stand column is of a hollow structure, and the fourth limiting rib is inserted into the three-node stand column.
The corner fitting is characterized in that threaded holes and positioning holes sinking into the corner fitting are formed in the upper surface and the lower surface of the corner fitting, the three-node connecting piece is connected with three adjacent corner fittings through bolts, a fifth through hole corresponding to the threaded holes of the three corner fittings is formed in the fourth base plate, the fifth through hole penetrates through the fourth base plate, the bolts penetrate through the fifth through hole and are screwed into the threaded holes, fourth limiting convex points corresponding to the positioning holes of the three corner fittings are arranged on the fourth base plate in an outward extending mode, and the fourth limiting convex points are inserted into the positioning holes of the two corner fittings respectively for positioning.
And a fourth through hole communicated with the upper surface and the lower surface of the four-node connecting piece is formed in the middle of the four-node connecting piece.
The bolts are high-strength bolts.
The invention has the beneficial effects that:
1. the cross beams and the corner pieces are connected with each other to form unit surfaces, and the plurality of unit surfaces are spliced with each other to form a frame through a plurality of connecting pieces and the upright posts to form a set of assembly system, so that the connection mode is simple and reasonable, the assembly is convenient and rapid, and the modularization and the standardization of the house frame are facilitated;
2. when the connecting piece and the corner fitting are assembled and fixed, the limiting convex points on the connecting piece are inserted into the positioning holes of the corner fitting, so that the through holes and the threaded holes are conveniently positioned, and the assembly efficiency of the frame is improved.
Drawings
FIG. 1 is a first block diagram of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is an enlarged view of FIG. 1 at B;
FIG. 4 is an enlarged view of FIG. 1 at C;
FIG. 5 is a top view of a first frame of the present invention;
FIG. 6 is an exploded view at a single node connection;
FIG. 7 is an exploded view at a dual node connection;
FIG. 8 is an exploded view at a four node connection;
FIG. 9 is a schematic view of the corner fitting;
FIG. 10 is a schematic view of a single node connection;
FIG. 11 is a schematic structural view of a dual node connector;
FIG. 12 is a schematic structural view of a four-node connection;
FIG. 13 is a second frame of the present invention;
FIG. 14 is an enlarged view of FIG. 13 at D;
FIG. 15 is an exploded view at the three node connection;
fig. 16 is a schematic view of the structure of the three-node connection.
In the figure: the cross beam 1, the upright column 2, the single-node upright column 21, the double-node upright column 22, the four-node upright column 23, the three-node upright column 24, the corner fitting 3, the positioning hole 31, the threaded hole 32, the limiting ring 33, the reinforcing rib 34, the connecting piece 4, the single-node connecting piece 41, the first bottom plate 411, the first top plate 412, the first supporting rib 413, the first limiting rib 414, the first through hole 415, the first limiting convex point 416, the double-node connecting piece 42, the second bottom plate 421, the second top plate 422, the second supporting rib 423, the second limiting rib 424, the second through hole 425, the second limiting convex point 426, the four-node connecting piece 43, the third bottom plate 431, the third top plate 432, the third supporting rib 433, the third limiting rib 434, the third through hole 435, the third limiting convex point 436, the fourth through hole 437, the three-node connecting piece 44, the fourth bottom plate 411, the fourth top plate 442, the fourth supporting rib 443, the fourth limiting rib 444, the fifth through hole 445, third limit bump 446, bolt 5, unit surface 6 and frame 7.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description below:
in the description of the present specification, the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or unit must have a specific direction, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 and 5, a prefabricated building connecting piece system at least comprises a layer of frame 7, wherein each layer of frame 7 is formed by mutually splicing a plurality of unit faces 6 through upright posts 2 and connecting pieces 4, each unit face 6 comprises cross beams 1 which are mutually connected to form a square plane, the cross beams 1 are connected through corner pieces 3, the height of the single-layer frame 7 corresponds to the height of one upright post 2 plus two connecting pieces 4, in addition, in order to ensure the firmness and reliability of the frame 7, the materials of the cross beams 1 and the upright posts 2 are Q235B steel, the length of a single cross beam 1 is not more than six meters, the height of a single upright post 2 is not more than three meters, and the frame 7 is not more than three layers.
As shown in fig. 1 to 9, the cross beam 1 and the corner fittings 3 are connected by welding, the cross beam 1 is a hollow square beam, the connecting part between the side surface of the corner fitting 3 and the cross beam 1 extends outwards to form a limiting ring 33, the limiting ring 33 is inserted into the cross beam 1, the cross beam 1 is a standard part, when the cross beam 1 and the corner fittings 3 are welded, the limiting ring 33 is firstly inserted into the cross beam 1 for limiting, and then welding operation is performed at the connecting part between the cross beam 1 and the corner fittings 3, the structure not only can facilitate welding operation and improve welding efficiency, but also can ensure welding precision, welding between the cross beam 1 and the corner fittings 3 can be directly completed in a factory, and then the stand column 2 is connected by the connecting piece 4 to build the frame 7 when the frame is transported to a site, so that the working efficiency is greatly improved.
3 shapes of corner fittings are the L type, the inside inward extension of corner fittings 3 is equipped with many strengthening ribs 34, strengthening ribs 34 are the L type and the direction is unanimous with corner fittings 3, when 3 atresss in corner fittings, strengthening ribs 34 play the supporting role to corner fittings 3, can improve corner fittings 3's anti ability of buckling through strengthening ribs 34, prevent that corner fittings 3 warp, and wherein, the material of corner fittings 3 is Q335 steel, and is higher than crossbeam 1's intensity, and consequently the unit face 6 that forms also has stronger bearing capacity.
The side face of the corner fitting 3 is flush with the side face of the cross beam 1, so that the surface of a unit face 6 formed by the corner fitting and the cross beam is flat, and the placement of a rear beam plate built by a frame 7 is facilitated.
The two sides about the corner fittings 3 are equipped with screw hole 32 and immerse the inside locating hole 31 of corner fittings 3, specifically do:
as shown in fig. 2, 6 and 10, the upright 2 includes a single-node upright 21, the connecting member 4 includes a single-node connecting member 41, the corner members 3 of two adjacent unit surfaces 6 distributed along the Z-axis direction are connected to the single-node connecting member 41, the single-node upright 21 is connected between the two adjacent single-node connecting members 41, the frame 7 at least includes four edge angles, and the two corresponding single-node connecting members 41 located at the upper and lower edge angles are connected by the single-node upright 21;
the single-node connecting piece 41 is connected with the single-node upright post 21 by welding, the single-node connecting piece 41 comprises a first bottom plate 411 and a first top plate 412, the first bottom plate 411 and the first top plate 412 are connected by a first supporting rib 413, a first limiting rib 414 is arranged on one side of the first top plate 412 close to the single-node upright post 21, the single-node upright post 21 is of a hollow structure, and the first limiting rib 414 is inserted into the single-node upright post 21;
the corner fitting 3 is connected with the single-node connecting piece 41 through bolts 5, the first base plate 411 is provided with a first through hole 415 corresponding to the threaded hole 32 and penetrating through the first base plate 45, the bolt 5 penetrates through the first through hole 415 and is screwed into the threaded hole 32, the first base plate 411 extends outwards to be provided with a first limiting salient point 416 corresponding to the positioning hole 31 of the single corner fitting 3, and the first limiting salient point 416 is inserted into the positioning hole 31 for positioning.
Compared with the prior art, the first connecting piece 41 is welded with the single-node upright posts 21 to form an integrated structure, then the first connecting piece 21 is fixed on the corner piece 3 through the bolts 5, the force applied to each single-node upright post 21 can be decomposed on each bolt 5 to be dispersed, so that the force cannot be concentrated on one point, the bearing capacity of the frame is greatly increased, and when the frame 7 is built, welding is cancelled and the bolts 5 are adopted for connection, so that the efficiency of building the frame 7 is greatly improved, and later-stage disassembly is facilitated.
Importantly, before the single-node connecting piece 41 is connected with the corner piece 3, the first limiting salient point 416 is firstly inserted into the positioning hole 31 for limiting, so that the first through hole 415 can be opposite to the threaded hole 32, the bolt 5 can be conveniently screwed in, and the assembling time is greatly saved.
Further, the first limit salient point 416 is in a conical structure, and the diameter of the cross section of the first limit salient point 416 is gradually reduced from the first bottom plate 411 to the corner fitting 3, so that the first limit salient point 416 has a guiding function, and the first limit salient point 416 can be conveniently inserted into the positioning hole 32.
Still further, outer profile face and first roof 412 on the vertical side of first bottom plate 411 flush, outer profile face and first roof 412 on the vertical side of single node stand 21 flush, first support muscle 413 is cross muscle and the ascending outer profile face of vertical side flushes with first bottom plate 411, and when single node connecting piece 421 welds on single node stand 21, the outline size is unanimous, connects first bottom plate 411 and first roof 412 through the first support muscle 413 of cross muscle structure, under the prerequisite of guaranteeing single node stand 41 bearing strength, can save material, practice thrift the cost.
As shown in fig. 3, 7 and 11, the column 2 includes a double-node column 22, the connecting member 4 includes a double-node connecting member 42, two adjacent unit surfaces 6 distributed along the X-axis or Y-axis direction are connected by the double-node connecting member 42, the double-node connecting member 42 connects two adjacent corner members 3 on the same layer, a double-node column 22 is connected between two adjacent double-node connecting members 42 on the upper and lower layers, and the double-node column 22 connects the upper and lower layers of unit surfaces 6 outside the frame 7 except the outer edge angle of the frame 7;
the double-node connecting piece 42 is connected with the double-node upright post 22 in a welding mode, the double-node connecting piece 42 comprises a second bottom plate 421 and a second top plate 422, the second bottom plate 421 and the second top plate 422 are connected through a second supporting rib 423, a second limiting rib 424 is arranged on one side, close to the double-node upright post 22, of the second top plate 422, the double-node upright post 22 is of a hollow structure, and the second limiting rib 424 is inserted into the double-node upright post 22;
the double-node connecting piece 42 adopts a bolt 5 to connect two adjacent corner fittings 3, the second base plate 421 is provided with a second through hole 425 corresponding to the threaded holes 32 of the two corner fittings 3, the second through hole 425 penetrates through the second base plate 421, the bolt 5 penetrates through the second through hole 425 and is screwed into the threaded hole 32, the second base plate 421 extends outwards to be provided with a second limit salient point 426 corresponding to the positioning holes 31 of the two corner fittings 3, and the second limit salient points 426 are respectively inserted into the positioning holes 31 of the two corner fittings 3 for positioning.
Wherein, the double-node connecting piece 42 is firstly welded with the double-node upright post 22 to form an integral structure, and then the double-node connecting piece 42 is connected to two adjacent corner pieces 3 through a plurality of bolts 5, so as to fixedly connect two adjacent unit faces 6 together, wherein the number of the second through holes 425 is twice of the number of the threaded holes 32 on one of the upper and lower faces of a single corner piece 3, namely the number of the second through holes 425 on the double-node connecting piece 42 is the sum of the number of the threaded holes 32 on the same face of two corner pieces 3.
Further, the second limit salient points 426 are conical structures, the diameter of the cross section of the second limit salient points 426 decreases gradually from the second bottom plate 421 to the corner fittings 3, the number of the second limit salient points 426 is equal to the sum of the number of the positioning holes 31 on the same surface of the two corner fittings 3, when the two unit surfaces 6 are connected by the double-node connecting piece 42, the two unit surfaces 6 are firstly close to each other, the second limit salient points 426 are respectively inserted into the positioning holes 31 of the two adjacent corner fittings 3 of the two unit surfaces 6, the two unit surfaces 6 are initially pulled and are not easy to be separated, the second through holes 425 on the double-node connecting piece 42 correspond to the threaded holes 32 on the two corner fittings 3 one by one after the second limit salient points 426 are inserted into the positioning holes 31, and then are connected and fixed by the bolts 5.
Still further, the outer contour surface of the second bottom plate 421 in the vertical direction is flush with the second top plate 422, the outer contour surface of the two-node pillar 22 in the vertical direction is flush with the second top plate 422, and the outer contour surface of the second support rib 423 in the vertical direction is flush with the second bottom plate 421.
As shown in fig. 4, 8 and 12, the upright 2 includes a four-node upright 23, the connecting member 4 includes a four-node connecting member 43, the four unit surfaces 6 located on the same layer are connected by the four-node connecting member 43 to form a field-shaped plane, the four-node connecting member 43 is located at the center of the field-shaped plane, the four-node upright 23 is connected between two adjacent four-node connecting members 43, and the four-node upright 23 is connected with two adjacent unit surfaces 6 at the upper and lower layers inside the frame 7;
the four-node connecting piece 43 is connected with the four-node upright 23 in a welding manner, the four-node connecting piece 43 comprises a third bottom plate 431 and a third top plate 432, the third bottom plate 431 and the third top plate 432 are connected through a third supporting rib 433, a third limiting rib 434 is arranged on one side, close to the four-node upright 23, of the third top plate 432, the four-node upright 23 is of a hollow structure, and the third limiting rib 434 is inserted into the four-node upright 23;
the four-node connecting piece 43 is connected with four corner pieces 3 by bolts 5, the third bottom plate 431 is provided with third through holes 435 corresponding to the threaded holes 32 of the four corner pieces 3, the number of the third through holes 435 is four times that of the threaded holes 32 on one of the upper and lower surfaces of a single corner piece 3, the third through holes 435 penetrate through the third bottom plate 431, the bolts 5 penetrate through the third through holes 435 and are screwed into the threaded holes 32, third limiting salient points 436 corresponding to the positioning holes 31 of the four corner pieces 3 are arranged on the third bottom plate 431 in an outward extending mode, and the third limiting salient points 436 are respectively inserted into the positioning holes 31 of the four corner pieces 3 for positioning.
The four-node connecting piece 43 and the four-node upright post 23 are welded to form an integral structure, and then the four-node connecting piece 43 is connected to four corner pieces 3 which are adjacent to each other in the middle of four unit surfaces 6 which enclose a Chinese character tian-shaped plane through a plurality of bolts 5, so that the four unit surfaces 6 are fixedly connected together.
Furthermore, the third limit salient points 436 are conical structures, the diameter of the cross section of each third limit salient point 436 gradually decreases from the third bottom plate 431 to the corner fitting 3, the number of the third limit salient points 436 is four times that of the positioning holes 31 on one of the upper and lower surfaces of a single corner fitting 3, when four rectangular unit surfaces 6 are connected, the three limit salient points 436 on the four-node connecting piece 43 are inserted into the positioning holes 31 of the four corner fittings 3 respectively, the four unit surfaces 6 are tightened with each other, and then are connected and fixed through bolts 5.
Still further, the outer contour surface of the third bottom plate 431 in the vertical direction is flush with the third top plate 432, the outer contour surface of the four-node upright post 23 in the vertical direction is flush with the third top plate 432, the outer contour surface of the third support rib 433 in the vertical direction is flush with the third bottom plate 431, wherein a fourth through hole 437 which is communicated with the upper surface and the lower surface of the four-node connecting member 43 is arranged in the middle of the four-node connecting member 43, and the fourth through hole 437 is designed to save material cost and weight on the premise of ensuring the bearing capacity of the four-node connecting member 43.
As shown in fig. 1 to 12, the frame 7 is constructed by matching the cross beam 1, the single-node upright post 21, the double-node upright post 22, the four-node upright post 23, the corner fitting 3, the single-node connecting piece 41, the double-node connecting piece 42 and the four-node connecting piece 43, and the plane of each layer of the frame 7 is at least composed of four mutually adjacent unit surfaces 6 forming a Chinese character 'tian'.
As shown in fig. 13 to 16, the upright column 2 further includes a three-node upright column 24, the connecting member 4 further includes a three-node connecting member 44, when any one unit surface 6 of the four unit surfaces 6 enclosing a Chinese character tian shape is removed, the other three unit surfaces 6 are connected by the three-node connecting member 44, the three-node connecting member 44 connects three adjacent corner members 3, and the three-node upright column 24 is connected between two adjacent three-node connecting members 44;
the three-node connecting piece 44 is in an L shape, the three-node connecting piece 44 is connected with the three-node upright post 24 by welding, the three-node connecting piece 44 comprises a fourth bottom plate 441 and a fourth top plate 442, the fourth bottom plate 441 and the fourth top plate 442 are connected by a fourth supporting rib 443, a fourth limiting rib 444 is arranged on one side, close to the three-node upright post 24, of the fourth top plate 442, the three-node upright post 24 is of a hollow structure, and the fourth limiting rib 444 is inserted into the three-node upright post 24;
the upper surface and the lower surface of the corner fitting 3 are provided with threaded holes 32 and positioning holes 31 sunk into the corner fitting 3, the three-joint connecting piece 44 is connected with three adjacent corner fittings 3 by bolts 5, the fourth base plate 441 is provided with fifth through holes 445 corresponding to the threaded holes 32 of the three corner fittings 3, the fifth through holes 445 penetrate through the fourth base plate 441, the bolts 5 penetrate through the fifth through holes 445 and are screwed into the threaded holes 32, the fourth base plate 441 outwards extends to be provided with fourth limit salient points 446 corresponding to the positioning holes 31 of the three corner fittings 3, and the fourth limit salient points 446 are respectively inserted into the positioning holes 31 of the two corner fittings 3 for positioning.
The frame 7 formed by the three-node connecting piece 44 is a special-shaped frame, and the three-node connecting piece 44 connects three corner pieces 3 which are close to each other on three unit surfaces 6 together through bolts 5 to form the frame 7 with at least one notch.
Further, the fourth limit protruding points 446 are conical structures, the cross-sectional diameter of the fourth limit protruding points 446 gradually decreases from the fourth bottom plate 441 to the corner fitting 3, and the number of the fourth limit protruding points 446 is the number of the positioning holes 31 on one of the upper surface and the lower surface of the corner fitting 3.
Still further, the outer contour surface of the fourth bottom plate 441 in the vertical direction is flush with the fourth top plate 442, the outer contour surface of the three-node pillar 24 in the vertical direction is flush with the fourth top plate 442, and the outer contour surface of the fourth support rib 443 in the vertical direction is flush with the fourth bottom plate 441.
In order to ensure the strength of the frame 7, the bolts 5 used are M20 high-strength bolts, and the specific strength grade can be 10.9 grade or 12.9 grade.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A prefabricated building connecting system comprising at least one layer of framing (7), characterized in that: each layer of the framework (7) is formed by mutually splicing a plurality of unit surfaces (6) through upright posts (2) and connecting pieces (4), each unit surface (6) comprises cross beams (1) which are mutually connected to form a square plane, the cross beams (1) are connected through corner pieces (3), each upright post (2) comprises a single-node upright post (21), a double-node upright post (22) and a four-node upright post (23), and each connecting piece (4) comprises a single-node connecting piece (41), a double-node connecting piece (42) and a four-node connecting piece (43);
the corner fittings (3) of two adjacent unit surfaces (6) are connected with a single-node connecting piece (41), the two adjacent single-node connecting pieces (41) are connected with a single-node upright post (21), the frame (7) at least comprises four edge angles, and the two corresponding single-node connecting pieces (41) positioned at the upper and lower parts of the edge angles are connected through the single-node upright post (21);
two adjacent unit surfaces (6) distributed along the X-axis or Y-axis direction are connected through a double-node connecting piece (42), the double-node connecting piece (42) is connected with two adjacent corner pieces (3) on the same layer, a double-node upright post (22) is connected between the two upper and lower adjacent double-node connecting pieces (42), and the double-node upright post (22) is connected with the upper and lower layers of unit surfaces (6) which are positioned outside the frame (7) except the outer edge angle of the frame (7);
be located the same layer four cell face (6) are connected through four node connecting piece (43) and are formed field font plane, four node connecting piece (43) are located field font planar center department, upper and lower adjacent two be connected with four node stand (23) between four node connecting piece (43), two-layer cell face (6) are adjacent about frame (7) is connected to four node stand (23) inside.
2. The system of modular building connectors of claim 1, wherein: crossbeam (1) and corner fittings (3) adopt welded connection, crossbeam (1) is the square roof beam of cavity, the junction of corner fittings (3) side and crossbeam (1) outwards extends and is equipped with spacing ring (33), spacing ring (33) insert inside crossbeam (1).
3. The system of modular building connectors of claim 1, wherein: the corner fitting (3) is L-shaped, a plurality of reinforcing ribs (34) are arranged in the corner fitting (3) in an inward extending mode, and the reinforcing ribs (34) are L-shaped and consistent with the corner fitting (3) in direction.
4. The system of modular building connectors of claim 1, wherein: the upright post (2) further comprises a three-node upright post (24), the connecting piece (4) further comprises a three-node connecting piece (44), when any one unit surface (6) of the four unit surfaces (6) which are enclosed into the shape like a Chinese character tian is omitted, the other three unit surfaces (6) are connected through the three-node connecting piece (44), the three-node connecting piece (44) is connected with the adjacent three corner pieces (3), and the three-node upright post (24) is connected between the two vertically adjacent three-node connecting pieces (44).
5. The system of modular building connectors of claim 1, wherein: the single-node connecting piece (41) is connected with the single-node upright post (21) in a welding mode, the single-node connecting piece (41) comprises a first bottom plate (411) and a first top plate (412), the first bottom plate (411) is connected with the first top plate (412) through a first supporting rib (413), a first limiting rib (414) is arranged on one side, close to the single-node upright post (21), of the first top plate (412), the single-node upright post (21) is of a hollow structure, and the first limiting rib (414) is inserted into the single-node upright post (21);
the double-node connecting piece (42) is connected with the double-node upright post (22) in a welding mode, the double-node connecting piece (42) comprises a second bottom plate (421) and a second top plate (422), the second bottom plate (421) is connected with the second top plate (422) through a second supporting rib (423), a second limiting rib (424) is arranged on one side, close to the double-node upright post (22), of the second top plate (422), the double-node upright post (22) is of a hollow structure, and the second limiting rib (424) is inserted into the double-node upright post (22);
four node connecting piece (43) and four node stand columns (23) adopt welded connection, four node connecting piece (43) include third bottom plate (431) and third roof (432), third bottom plate (431) and third roof (432) are connected through third brace rod (433), one side that third roof (432) are close to four node stand columns (23) is equipped with third spacing muscle (434), four node stand columns (23) are hollow structure, third spacing muscle (434) insert in four node stand columns (23).
6. The system of modular building connectors of claim 5, wherein: the upper surface and the lower surface of the corner fitting (3) are provided with threaded holes (32) and positioning holes (31) which are sunk into the corner fitting (3);
the corner fitting (3) is connected with the single-node connecting piece (41) through a bolt (5), the first base plate (411) is provided with a first through hole (415) which corresponds to the threaded hole (32) and penetrates through the first base plate (45), the bolt (5) penetrates through the first through hole (415) and is screwed into the threaded hole (32), a first limiting salient point (416) corresponding to the positioning hole (31) of the single corner fitting (3) extends outwards from the first base plate (411), and the first limiting salient point (416) is inserted into the positioning hole (31) for positioning;
the double-node connecting piece (42) is connected with two adjacent corner fittings (3) by bolts (5), the second base plate (421) is provided with second through holes (425) corresponding to the threaded holes (32) of the two corner fittings (3), the second through holes (425) penetrate through the second base plate (421), the bolts (5) penetrate through the second through holes (425) and are screwed into the threaded holes (32), second limiting salient points (426) corresponding to the positioning holes (31) of the two corner fittings (3) extend outwards from the second base plate (421), and the second limiting salient points (426) are respectively inserted into the positioning holes (31) of the two corner fittings (3) for positioning;
the four-node connecting piece (43) is connected with four corner pieces (3) through bolts (5), a third through hole (435) corresponding to the threaded holes (32) of the four corner pieces (3) is formed in the third bottom plate (431), the third through hole (435) penetrates through the third bottom plate (431), the bolts (5) penetrate through the third through hole (435) and are screwed into the threaded holes (32), third limiting salient points (436) corresponding to the positioning holes (31) of the four corner pieces (3) extend outwards from the third bottom plate (431), and the third limiting salient points (436) are inserted into the positioning holes (31) of the four corner pieces (3) respectively for positioning.
7. The system of modular building connectors of claim 4, wherein: the three-node connecting piece (44) is L-shaped, the three-node connecting piece (44) is connected with the three-node upright post (24) in a welding mode, the three-node connecting piece (44) comprises a fourth bottom plate (441) and a fourth top plate (442), the fourth bottom plate (441) is connected with the fourth top plate (442) through a fourth supporting rib (443), a fourth limiting rib (444) is arranged on one side, close to the three-node upright post (24), of the fourth top plate (442), the three-node upright post (24) is of a hollow structure, and the fourth limiting rib (444) is inserted into the three-node upright post (24).
8. The system of modular building connectors of claim 7, wherein: two sides are equipped with screw hole (32) and sink into inside locating hole (31) of corner fittings (3) about corner fittings (3), adjacent three corner fittings (3) are connected in three node connecting piece (44) adoption bolt (5), fourth bottom plate (441) are equipped with fifth through-hole (445) that correspond with screw hole (32) of three corner fittings (3), fifth through-hole (445) run through fourth bottom plate (441), bolt (5) pass fifth through-hole (445) and twist in screw hole (32), fourth bottom plate (441) outwards extend and are equipped with the spacing bump (446) of the fourth that corresponds with locating hole (31) of three corner fittings (3), spacing bump (446) of fourth inserts the locating hole (31) of two corner fittings (3) respectively and fix the position.
9. The system of modular building connectors of claim 1, wherein: and a fourth through hole (437) communicated with the upper surface and the lower surface of the four-node connecting piece (43) is formed in the middle of the four-node connecting piece (43).
10. The system of modular building connectors of claim 6, wherein: the bolt (5) is a high-strength bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010955674.2A CN112095810A (en) | 2020-09-11 | 2020-09-11 | Prefabricated house connecting piece system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010955674.2A CN112095810A (en) | 2020-09-11 | 2020-09-11 | Prefabricated house connecting piece system |
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| CN112095810A true CN112095810A (en) | 2020-12-18 |
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| CN202010955674.2A Pending CN112095810A (en) | 2020-09-11 | 2020-09-11 | Prefabricated house connecting piece system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114033038A (en) * | 2021-06-29 | 2022-02-11 | 云南建筑产业化研发中心有限公司 | Cabin body structure for multi-layer large-scale cabin assembly |
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