Steel construction modularization attach fitting
Technical Field
The invention belongs to the technical field of steel structures, and particularly relates to a modular connecting joint of a steel structure.
Background
In a building structure, steel structure connection is very common, most of the existing connection modes are bolt fixed connection and welding, and when the bolt fixed connection is adopted, the bolt is easy to loosen in the use process, so that the use safety is seriously influenced; when the welding connection is adopted, all parts are connected into a whole, the connection strength can be ensured, but the connection is not detachable, and a large amount of waste of steel structure materials is caused.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a steel structure modularized connecting joint, wherein the first connecting joint and the second connecting joint are radially fixed through matching of a positioning column and a positioning hole, and are axially fixed through matching of a connecting block and the first connecting joint and the second connecting joint, so that the first connecting joint and the second connecting joint can bear radial stress and bearing stress, the fixing mode is simple, large-batch modularized production of the first connecting joint, the second connecting joint and the connecting block can be realized, modular assembly can be realized, and the assembly efficiency is improved.
The invention is realized by the following technical scheme:
a steel structure modular connecting joint comprises a first connecting joint, a second connecting joint and a connecting block, wherein the first connecting joint and the second connecting joint are arranged oppositely and are connected through the connecting block; a positioning column is arranged on the end face of the first connecting head, and a first connecting groove is arranged on the surface of the first connecting head adjacent to the end face; a positioning hole is formed in the end face of the second connector, and a second connecting groove is formed in the face, adjacent to the end face, of the second connector; the positioning column corresponds to the positioning hole in position, the first connecting groove corresponds to the second connecting groove in position, and the first connecting groove is connected with the second connecting groove through the connecting block. Realize radial fixed through the cooperation of reference column and locating hole between first connector and the second connector, realize axial fixity through the cooperation of connecting block and first connector and second connector, make first connector and second connector enough bear radial atress, can bear the bearing atress again, and fixed mode is simple, can realize first connector, the big modularization of second connector and connecting block becomes the product in batches, can realize the modularization assembly of cordwood system again, the assembly efficiency is improved.
The cross sections of the positioning columns and the positioning holes are circular or polygonal. The circular or polygonal positioning column is adopted, so that the strength of the positioning column can be enhanced, the shearing resistance of the positioning column is improved, and the radial stress requirement is met.
The length of the positioning column is smaller than the depth of the positioning hole. The length of the positioning column is smaller than the depth of the positioning hole, so that the positioning column can be ensured to be completely inserted into the positioning hole, and the end faces of the first connector and the second connector are ensured to be attached. The local stress of the positioning column is avoided, and the first connector and the second connector are bent.
The end part of the positioning column is provided with a taper. The end part of the positioning column is provided with a certain taper, so that the positioning column can be conveniently inserted into the positioning hole, the installation is convenient, and the assembly efficiency is improved.
Two positioning columns are arranged. Set up two reference columns, can improve the symmetry of first connector and second connector, be favorable to the joint strength between first connector and the second connector.
The thickness of the connecting block is smaller than the depth of the first connecting groove and the second connecting groove. The thickness of the connecting block is smaller than the depth of the first connecting groove and the second connecting groove, the surface of the connecting block is lower than the surfaces of the first connecting head and the second connecting head, and interference to other parts is avoided.
The connecting block comprises a first fixing part, a connecting plate and a second fixing part, the two ends of the connecting plate are respectively provided with the first fixing part and the second fixing part, the connecting plate is in transition through a chamfer angle with the first fixing part and the second fixing part, and the first fixing part, the connecting plate and the second fixing part are integrally connected. The connecting plate adopts a body coupling, can strengthen the tensile strength of connecting plate, improves the axial tensile ability of connecting block, sets up first fixed part and the second fixed part that matches with first spread groove and second spread groove at the both ends of connecting plate simultaneously, can further improve the fixity of connecting block.
The angle range of the chamfer is 40-60 degrees. The chamfer angle is arranged between 40 degrees and 60 degrees, so that the requirement of axial tension can be met, and the first connecting groove and the second connecting groove can be prevented from being broken by the connecting block.
The first connector and the second connector are sleeved with fixed sleeves. The fixed sleeve is arranged outside the first connector and the second connector, so that the connecting block can be prevented from being separated in use, and the use safety is enhanced.
The length of the fixing sleeve is not less than that of the connecting block. Cover the connecting block completely with fixed cover, avoid appearing sliding in the use, lead to the connecting block to deviate from, cause danger.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the steel structure modular connecting joint, radial fixing is achieved between the first connecting joint and the second connecting joint through the matching of the positioning columns and the positioning holes, axial fixing is achieved through the matching of the connecting blocks and the first connecting joint and the second connecting joint, the first connecting joint and the second connecting joint can bear radial stress and bear bearing stress, the fixing mode is simple, large-batch modular production of the first connecting joint, the second connecting joint and the connecting blocks can be achieved, modular assembly of building blocks can be achieved, and the assembly efficiency is improved;
2. according to the steel structure modular connecting joint, the round or polygonal positioning column is adopted, so that the strength of the positioning column can be enhanced, the shearing resistance of the positioning column is improved, the radial stress requirement is met, the length of the positioning column is smaller than the depth of the positioning hole, the positioning column can be ensured to be completely inserted into the positioning hole, and the end face attachment of the first connecting joint and the second connecting joint is ensured. The local stress of the positioning column is avoided, so that the first connector and the second connector are bent;
3. according to the steel structure modular connecting joint, the end part of the positioning column is provided with a certain taper, so that the positioning column can be conveniently inserted into the positioning hole, the installation is convenient, and the assembly efficiency is improved;
4. according to the steel structure modular connecting joint, the thickness of the connecting block is smaller than the depth of the first connecting groove and the depth of the second connecting groove, the surface of the connecting block is lower than the surfaces of the first connecting joint and the second connecting joint, and interference on other parts is avoided;
5. according to the steel structure modular connecting joint, the connecting plates are integrally connected, so that the tensile property of the connecting plates can be enhanced, the axial tensile capacity of the connecting blocks is improved, and meanwhile, the first fixing part and the second fixing part which are matched with the first connecting groove and the second connecting groove are arranged at the two ends of the connecting plates, so that the fixity of the connecting blocks can be further improved;
6. according to the steel structure modular connecting joint, the fixing sleeves are arranged outside the first connecting joint and the second connecting joint, so that the connecting block can be prevented from falling off in use, the use safety is enhanced, the fixing sleeves completely cover the connecting block, and the danger caused by the fact that the connecting block falls off due to sliding in the use process is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the first connector of the present invention;
FIG. 3 is a schematic cross-sectional view of a first connector of the present invention;
FIG. 4 is a schematic view of a cylindrical positioning post of the first connector of the present invention;
FIG. 5 is a schematic view of a polygonal positioning post of the first connector of the present invention;
fig. 6 is a schematic front view of the second connecting head of the present invention;
FIG. 7 is a schematic cross-sectional view of a first connector of the present invention;
FIG. 8 is a schematic view of a circular alignment hole of the first connector of the present invention;
FIG. 9 is a schematic view of a polygonal alignment hole of the first connector of the present invention;
FIG. 10 is a schematic view of the connection block of the present invention;
FIG. 11 is a schematic top view of the connector block of the present invention;
fig. 12 is a schematic view of the mounting structure of the harness of the present invention;
the connecting structure comprises a first connecting head 1, a first connecting head 2, a connecting block 3, a second connecting head 4, a fixing sleeve 11, a first connecting body 12, a first connecting groove 13, a positioning column 21, a first fixing part 22, a connecting plate 23, a second fixing part 31, a second connecting body 32, a second connecting groove 33 and a positioning hole.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1, the steel structure modular connecting joint comprises a first connecting joint 1, a second connecting joint 3 and a connecting block 2, wherein the first connecting joint 1 and the second connecting joint 3 are oppositely arranged, and the first connecting joint 1 and the second connecting joint 3 are connected through the connecting block 2; as shown in fig. 2 to 5, the first connection head 1 includes a first connection body 11, a positioning column 13 is disposed on an end surface of the first connection body 11, a first connection groove 12 is disposed on a surface of the first connection body 11 adjacent to the end surface, that is, the positioning column 13 is disposed on the end surface of the first connection head 1, and a first connection groove 12 is disposed on a surface of the first connection head 1 adjacent to the end surface; as shown in fig. 6 to 9, the second connector 3 includes a second connector 31, a positioning hole 33 is disposed on an end surface of the second connector 31, a second connecting groove 32 is disposed on a surface of the second connector 31 adjacent to the end surface, that is, the positioning hole 33 is disposed on the end surface of the second connector 3, and the second connecting groove 32 is disposed on a surface of the second connector 3 adjacent to the end surface; the positioning column 13 corresponds to the positioning hole 33, the first connecting groove 12 corresponds to the second connecting groove 32, and the first connecting groove 12 and the second connecting groove 32 are connected through the connecting block 2. Realize radial fixation through the cooperation of reference column 13 with locating hole 33 between first connector 1 and the second connector 3, realize axial fixity through the cooperation of connecting block 2 and first connector 1 and second connector 3, make first connector 1 and second connector 3 can enough bear radial stress, can bear the bearing stress again, and fixed mode is simple, can realize first connector 1, the big modularization one-tenth product of second connector 3 and connecting block 2, can realize the modularization assembly of cordwood system again, the assembly efficiency is improved.
As shown in fig. 4-5 and 8-9, the cross-sections of the positioning posts 13 and the positioning holes 33 are circular or polygonal. The circular or polygonal positioning column 13 is adopted, so that the strength of the positioning column 13 can be enhanced, the shearing resistance of the positioning column 13 is improved, and the radial stress requirement is met. In the present application, the positioning column 13 and the positioning hole 33 are circular or quadrangular, as shown in fig. 4 and 8, the positioning column 13 and the positioning hole 33 are circular, and the outer diameter of the positioning column 13 is slightly smaller than the inner diameter of the positioning hole 33, so that the positioning column 13 can be just inserted into the positioning hole 33; as shown in fig. 5 and 9, the positioning post 13 and the positioning hole 33 have a quadrangular cross section, and when the positioning hole 33 having a polygonal shape is machined, a process hole may be formed at a position where two surfaces intersect, so as to chamfer an inner corner of the polygonal shape, and allow the positioning post 13 having the polygonal shape to enter. As shown in fig. 12, the length of the positioning post 13 is smaller than the depth of the positioning hole 33. The length of the positioning column 13 is smaller than the depth of the positioning hole 33, so that the positioning column 13 can be ensured to completely penetrate into the positioning hole 33, and the end faces of the first connector 1 and the second connector 3 are ensured to be attached. The local stress of the positioning column 13 is avoided, so that the first connector 1 and the second connector 3 are bent. The end of the positioning column 13 is provided with a taper. Set up certain tapering at the tip of reference column 13, can be convenient for reference column 13 insert locating hole 33 in, easy to assemble improves assembly efficiency. Two positioning columns 13 are arranged. Set up two reference columns 13, can improve the symmetry of first connector 1 and second connector 3, be favorable to the joint strength between first connector 1 and the second connector 3.
As shown in fig. 12, the thickness of the connector block 2 is smaller than the depth of the first and second connection grooves 12 and 32. The thickness H of the connecting block 2 is made smaller than the depth of the first connecting groove 12 and the second connecting groove 32, so that the surface of the connecting block 2 is lower than the surfaces of the first connecting head 1 and the second connecting head 3, and the interference to other parts is avoided. As shown in fig. 10 to 11, the connection block 2 includes a first fixing portion 21, a connection plate 22 and a second fixing portion 23, the two ends of the connection plate 22 are respectively provided with the first fixing portion 21 and the second fixing portion 23, the connection plate 22 and the first fixing portion 21 and the second fixing portion 23 are in transition through a chamfer, and the first fixing portion 21, the connection plate 22 and the second fixing portion 23 are integrally connected. Connecting plate 22 adopts a body coupling, can strengthen connecting plate 22's tensile strength, improves connecting block 2's axial tensile ability, sets up first fixed part 21 and the second fixed part 23 that matches with first connecting groove 12 and second connecting groove 32 at connecting plate 22's both ends simultaneously, can further improve connecting block 2's fixity. The angle range of the chamfer is 40-60 degrees. The range setting of chamfer is between 40 ~ 60, and 1/2 alpha is 40 ~ 60 promptly, can enough satisfy axial tension's demand, can avoid connecting block 2 again to break first spread groove 12 and second spread groove 32.
As shown in fig. 12, the first connector 1 and the second connector 3 are sleeved with a fixing sleeve 4. The fixed sleeve 4 is arranged outside the first connector 1 and the second connector 3, so that the connecting block 2 can be prevented from being separated in use, and the use safety is enhanced. The length of the fixing sleeve 4 is not less than that of the connecting block 2. Cover fixed cover 4 with connecting block 2 completely, avoid appearing sliding in the use, lead to connecting block 2 to deviate from, cause danger.
The above-described embodiment is only one embodiment of the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be easily made based on the application and principle of the present invention disclosed in the present application, and the present invention is not limited to the method described in the above-described embodiment of the present invention, so that the above-described embodiment is only preferred, and not restrictive.