CN111639371A - Novel modular design method for steel structure - Google Patents
Novel modular design method for steel structure Download PDFInfo
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- CN111639371A CN111639371A CN202010379345.8A CN202010379345A CN111639371A CN 111639371 A CN111639371 A CN 111639371A CN 202010379345 A CN202010379345 A CN 202010379345A CN 111639371 A CN111639371 A CN 111639371A
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Abstract
The invention discloses a modular design method of a novel steel structure, which comprises the following steps: 1) establishing a steel structure frame model according to the requirements of the customer architectural style and the requirements of architectural specifications, and analyzing the stress conditions of all parts and connecting pieces of the steel structure frame after the wall body and the floor slab are established by applying finite element analysis software; 2) according to the steel structure frame model, computer software automatically calculates and outputs the mounting sequence of each component and connecting piece of the steel structure frame, and marks are carried out; 3) selecting materials meeting the corresponding mechanical property requirements to carry out industrialized production on each part and connecting piece of the steel structure frame according to the stress condition analysis result, and correspondingly marking the label determined in the step 2) on each part and connecting piece; 4) and (3) transporting each part, connecting piece, wallboard and floor of the steel structure frame produced in a factory to a construction site, and constructing the house with the steel structure. The invention has the advantages of convenient and quick installation, construction cost saving and the like.
Description
Technical Field
The invention relates to the field of steel structure buildings. More particularly, the invention relates to a modular design method of a novel steel structure.
Background
The steel structure building has the characteristics of less material consumption, short construction period, low manufacturing cost, safety, reliability and the like, so that the steel structure building is widely popularized and applied. However, the existing steel structure building has the defects of more nodes, complex components and the like, so that professional construction personnel are required for installation of the steel structure building, the construction cost is increased, and the popularization and application of the steel structure are limited.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages described hereinafter.
The invention also aims to provide a novel modular design method of the steel structure, which analyzes the load of each part of the steel structure building and adopts materials with different strengths aiming at different parts, thereby not only meeting the requirement of mechanical strength of the building structure, but also achieving the effect of saving cost; in addition, the two-dimensional code is pasted, so that ordinary personnel can access the server through the two-dimensional code to obtain a connection method of each component and other components, and professional requirements on construction personnel are reduced.
To achieve these objects and other advantages and in accordance with the purpose of the invention, a modular design method for a novel steel structure is provided, which includes the steps of:
1) establishing a steel structure frame model according to the requirements of a customer on the architectural style and the requirements of building specifications, establishing a wall body, a floor slab and a roof slab according to the requirements of the customer on wall body materials, floor slab materials and roof materials, and analyzing the stress conditions of all parts and connecting pieces of the steel structure frame after the wall body and the floor slab are established by using finite element analysis software;
2) according to the steel structure frame model in the step 1), automatically calculating and outputting the installation sequence of each component and connecting piece of the steel structure frame by computer software, and labeling each component and connecting piece of the steel structure frame according to the installation sequence;
3) selecting materials meeting the corresponding mechanical property requirements to carry out industrialized production on each part and connecting piece of the steel structure frame according to the stress condition analysis result in the step 1), and correspondingly marking the label determined in the step 2) on each part and connecting piece;
4) and (3) transporting each part, connecting piece, wallboard and floor of the steel structure frame produced in a factory to a construction site, and constructing the house with the steel structure.
By analyzing the handling condition of the steel structure frame model, the materials of all the parts are selected according to different loads borne by different parts, so that the mechanical requirement of the steel structure frame is met, and the material cost is reduced; through carrying out the label to each part and connecting piece, help distinguishing the different parts of different positions, still be favorable to making clear and definite installation order, reduce the installation professional requirement, improve the installation effectiveness.
Preferably, the intelligent terminal further comprises a cloud server, wherein the cloud server is stored with installation methods of all the steel structure components, the connecting pieces, the wall body and the plate body, the steel structure frame components, the connecting pieces, the wall body and the plate body are marked with two-dimensional codes, and after an installer scans the two-dimensional codes by using the intelligent terminal, the intelligent terminal obtains the installation methods of the corresponding steel structure frame components, the connecting pieces, the wall body and the plate body from the cloud server. Through identifying the two-dimensional codes for the components and the connecting pieces, an installer can access the cloud server through the two-dimensional codes to obtain a method for connecting the components, the connecting pieces and other components, and the technical requirements of the installer are reduced.
Preferably, the method for installing the corresponding steel structure frame components, the connecting pieces, the wall body and the plate body obtained by the intelligent terminal from the cloud server is one or two of video guidance and text description. The installation method is described by videos or characters, so that the method is visual and easy to understand.
Preferably, each part of the steel structure frame comprises a plurality of corner columns, a plurality of side columns, a plurality of middle columns, a plurality of bottom steel beams, a plurality of top purlins and a plurality of middle steel beams;
wherein the plurality of bottom steel beams are fixed with a prefabricated steel foundation on a foundation so that the bottom steel beams are horizontally arranged on the ground to form a bottom frame of the steel structural frame;
the bottom steel beam is vertically fixed on the bottom steel beam through a first connecting piece, and the heights of the corner columns, the side columns and the middle columns are increased by connecting the corner columns, the side columns and the middle columns through second connecting pieces;
the middle steel beams are respectively connected with the corner columns, the side columns and the middle columns through third connecting pieces so as to divide the steel frame structure into a plurality of layers;
and the top steel beams are respectively connected with the upper ends of the corner columns, the side columns and the middle columns through fourth connecting pieces to form a top frame of the steel structure frame.
Connect corner post, side column, center pillar, bottom girder steel, middle part girder steel and top girder steel through first connecting piece, second connecting piece, third connecting piece, fourth connecting piece, form steel structural framework.
Preferably, the prefabricated steel column foundation comprises a gravity type box-type independent foundation and a base steel column, and the base steel column is arranged in the gravity type box-type independent foundation to form a structure with a convex cross section;
the bottom steel beam is an H-shaped steel beam, an H-shaped lower end opening of the bottom steel beam is clamped on the base steel column, a base through hole A is formed in the base steel column, a base through hole B corresponding to the base through hole A is formed in a wing plate of the bottom steel beam, and a base bolt penetrates through the base through hole B and the base through hole A and then is connected with a base nut to fix the bottom steel beam on a prefabricated steel column foundation;
the bottom steel beam comprises a bottom longitudinal steel beam and a bottom transverse steel beam, flange joints are arranged at two ends of the bottom transverse steel beam, flange through holes B corresponding to the flange through holes A on the flange joints are arranged on wing plates of the bottom longitudinal steel beam, and flange bolts penetrate through the flange through holes B and the flange through holes A and then are connected with flange nuts to fix the bottom transverse steel beam and the bottom longitudinal steel beam;
the first connecting piece comprises a first joint, a convex edge and a second joint, the first joint is of a U-shaped structure, the second joint is arranged at the other end opposite to the U-shaped opening of the first joint, joint holes A are formed in two sides of the first joint, joint holes B corresponding to the joint holes in the direction of the wing plate of the bottom steel beam are formed in the wing plate of the bottom steel beam, a joint bolt penetrates through the joint holes A and the joint holes B and then is connected with a joint nut to fix the first connecting piece on the wing plate of the bottom steel beam, and the convex edge is arranged on two sides of the first joint so that when the first joint is connected with the bottom steel beam, the convex edge is abutted against the wing plate of the bottom steel beam;
the outer side of the first joint is also provided with a reinforcing plate, the convex edges of the reinforcing plate are connected to form a plug-in groove with an opening in the same direction as the opening of the first joint on the outer side of the first connecting piece, the reinforcing plate is provided with a joint hole C corresponding to the joint hole A and the joint hole B, and a joint bolt penetrates through the joint hole C, the joint hole B and the joint hole A respectively and then is connected and fixed with a joint nut;
the second connector is inserted into the lower ends of the corner columns, the side columns and the middle columns so as to fix the corner columns, the side columns and the middle columns on the bottom steel beam.
Fix on prefabricated steel column basis through the bottom girder steel, need not level and smooth sclerosis ground, practiced thrift the cost to, separate bottom girder steel and ground through prefabricated steel column basis, have and keep the bottom girder steel dry, the reinforcing is corrosion-resistant, increase of service life.
Preferably, the second connecting piece includes top connection and lower clutch, the cross section of top connection and lower clutch is the rectangle, the outside of the junction of top connection and lower street corner is provided with cyclic annular arch, and the top connection is pegged graft respectively to the lower extreme of upper corner post, upper limb post, upper center pillar, and lower center pillar has pegged graft respectively and has the lower clutch to be connected fixedly with upper corner post and lower corner post, upper limb post and lower side post, upper center pillar and lower center pillar respectively, its end all butts on cyclic annular arch after upper corner post and lower corner post, upper limb post and lower center pillar are connected, the second bolt runs through be connected with the second nut behind corner post, side post, center pillar and the second connecting piece.
Preferably, the third connecting piece comprises a third connecting piece A, a third connecting piece B and a third connecting piece C, and the middle steel beam is an H-shaped steel beam; wherein the content of the first and second substances,
the third connecting piece A is used for connecting and fixing the corner column and the middle steel beam, and comprises a third joint AA, a third joint AB, a third joint AC and a third joint AD, wherein the third joint AA, the third joint AB and the third joint AC are perpendicular to each other and arranged in a rectangular coordinate system mode, the third joint AD is arranged below the third joint AA, the third joint AA and the third joint AD are inserted at two ends of the corner column, the middle steel beam is inserted at the third joint AB and the third joint AC, and a third bolt A connects and fixes the third connecting piece A, the corner column and the middle steel beam;
the third connecting piece B is used for connecting and fixing the side column and the middle steel beam, the third connecting piece B comprises a third joint BA, a third joint BB, a third joint BC and a third joint BD, the third joint BA, the third joint BB and the third joint BC are perpendicular to each other and arranged in a rectangular coordinate system mode, the third joint BD is arranged below the third joint BA, the middle steel beam is respectively inserted into the third joint BD and the third joint BB, the third joint BD and the third joint BA are respectively inserted into the side column, and a third bolt B connects and fixes the third connecting piece B, the middle steel beam and the side column;
the third connecting piece C is used for being connected and fixed with the middle part girder steel, and the third connecting piece C includes that the third connects CA, third joint CB, third joint CC and third joint CD, the third connects CA, third joint CB, third joint CC and third joint CD mutually perpendicular set up, and the third connects CA, third joint CB peg graft in the center pillar, and the middle part girder steel is pegged graft in third joint CB and third joint CD, and third bolt C is fixed with third connecting piece C, middle part girder steel, center pillar connection.
Preferably, the fourth connecting piece comprises a fourth connecting piece A and a fourth connecting piece B, and the cross section of the top steel beam is a rectangular steel pipe;
the fourth connecting piece A comprises a fourth plug-in connector AA and a fourth plug-in connector AB, the fourth plug-in connector AA and the fourth plug-in connector AB are hinged, and the fourth connecting piece A is used for connecting the corner columns and the side columns with the top steel beam and connecting the top steel beam with the top steel beam to form a ridge;
the fourth connecting piece B comprises a fourth plug-in connector BA, a fourth plug-in connector BB and a fourth plug-in connector BC, one end of the fourth plug-in connector BA, one end of the fourth plug-in connector BB and one end of the fourth plug-in connector BC are hinged, the other end of the fourth plug-in connector BA and the other end of the fourth plug-in connector BC are used for being connected with the top steel beam in an inserting mode, the other end of the fourth plug-in connector BB is used for being connected with the middle column, and the fourth plug-in connector BB has a height adjusting function;
wherein, fourth bayonet joint BB includes fixed part, screw rod, adjusting nut and movable part, the movable part is used for pegging graft on the center pillar, the centre of movable part is provided with and runs through the screw rod hole of movable part, the screw rod is fixed the lower extreme of fixed part, the screw rod runs through the screw rod hole, just the lower extreme of screw rod is provided with the locating part in order to restrict the lower extreme roll-off of movable part from the screw rod, adjusting nut overlaps and establishes in the screw rod, adjusting nut's lower extreme is provided with the drum, and the lower extreme of drum is provided with annular forked tail, the upper end of movable part is provided with annular dovetail, annular forked tail is used for the joint to be in the annular dovetail so that the movable part can adjust nut relatively and rotate, and when adjusting nut rotated on the screw rod, the distance of adjusting movable part apart.
Through the height adjusting function of the fourth plug-in connector BB, the mounting height of the top steel beam is adjusted, so that the top frame structure formed by the top steel material is smooth.
Preferably, the locking structure further comprises:
a U-shaped member;
the abutting plates are symmetrically arranged on two sides of the inside of the U-shaped piece;
the torsion spring is arranged at the hinged position of the abutting plate and the U-shaped piece so as to enable the abutting plate and the U-shaped piece below the hinged position to be opened at an angle;
the limiting block is arranged on the U-shaped part above the hinged position of the abutting plate and the U-shaped part, so that the maximum opening angle of the U-shaped part below the hinged position of the abutting plate relative to the U-shaped part is an acute angle;
the lower end of the clamping plate is provided with a limiting head, the cross section of the limiting head is in an isosceles triangle shape, a plurality of clamping grooves are symmetrically formed in two sides of the clamping plate, and the abutting plate abuts against the clamping grooves when the abutting plate is opened towards the U-shaped part under the action of the return spring;
when the locking structure is used for connecting a purline and a top steel beam, the U-shaped part is connected with the top steel beam and has an upward opening, the upper end of the clamping and connecting plate is connected with the purline, when the clamping and connecting plate is inserted into the U-shaped part, the limiting head moves downwards and crosses the lower end of the abutting and connecting plate, and the abutting and connecting plate abuts against the clamping and connecting groove under the action of the torsion spring;
when the locking structure is used for connecting a roof plate and a purline, the U-shaped part is connected with the purline, the opening is upward, the upper end of the clamping and connecting plate is connected with the roof plate, when the clamping and connecting plate is inserted into the U-shaped part, the limiting head moves downwards and crosses the lower end of the abutting and connecting plate, and the abutting and connecting plate abuts against the clamping and connecting groove under the action of the torsion spring;
the left side of roof board is provided with the ascending U type groove of opening, the right side of roof board is provided with the baffle, and the cell wall height that roof board one side was kept away from in the left U type groove of roof board is less than the upper surface of roof board, the height of baffle and the cell wall height that U type groove is close to roof board one side are equal, be provided with the ventilation hole on the baffle, the upper surface of roof board lower extreme is provided with the connecting plate and forms L type and connect to the connecting plate butt of a roof board is the fish scale column structure setting in the upper end of a roof board down in the messenger.
Through setting up locking structure, realize purlin and top girder steel fast to and the installation of roof board and purlin, improved the installation effectiveness.
Preferably, the wall body comprises an inner wall and an outer wall, the middle steel beam is an H-shaped steel beam, a groove of the middle steel beam is arranged opposite to a groove of the bottom steel beam, the lower ends of the inner wall and the outer wall are both arranged in the groove of the bottom steel beam, the upper ends of the inner wall and the outer wall are both arranged in the groove of the middle steel beam, and the inner wall and the outer wall are fixed through a tensioning member;
wherein, the tensioning member includes:
the two fixing pieces are used for being connected with the bottom steel beam and the web plate of the middle steel beam, and bearings are arranged on the fixing pieces;
the two ends of the threaded rod are connected with the bearing, and a first rotary bevel gear is arranged at one end of the threaded rod;
the connecting device comprises a plurality of connecting blocks, wherein through holes penetrating through the connecting blocks are formed in the connecting blocks, threaded rods penetrate through the through holes, limiting protrusions are arranged on the threaded rods on two sides of the connecting blocks, two balancing legs are arranged below the connecting blocks, and the length of each balancing leg is smaller than the distance between the lower part of each connecting block and a bottom steel beam web or a middle steel beam web, so that when the connecting blocks rotate, the supporting legs abut against the webs to prevent the connecting blocks from rotating;
the tensioning plates are symmetrically hinged to the connecting block, and an opening torsion spring is arranged at the hinged position of the tensioning plates and the connecting block so that the two tensioning plates are opened to form an acute angle;
the plurality of extrusion blocks are provided with threaded through holes, the extrusion blocks are in threaded connection with the threaded rods so that when the second threaded rods rotate, the extrusion blocks reciprocate in the second threaded rods, and when the extrusion blocks move towards the tensioning plates, the extrusion blocks extrude the tensioning plates to open so that the tensioning plates abut against the inner wall body and the outer wall body to fix the inner wall body and the outer wall body;
the dwang, its middle part be provided with first rotatory bevel gear of second of meshing mutually revolves bevel gear, one side of mounting is provided with articulated portion, the dwang is rotatable articulate in articulated portion is last, and the second on the dwang revolves bevel gear and first revolves bevel gear meshing mutually to the rotation through the dwang drives the threaded rod and rotates, the tip that the dwang is close to the interior wall is provided with cross recess, be provided with on the interior wallboard with the wallboard hole that the dwang is relative, in order to pass through the screwdriver twist behind the wallboard hole the dwang.
The inner wall and the outer wall are extruded outwards through the tensioning piece, so that the inner wall and the outer wall are respectively abutted against the groove walls on two sides of the H-shaped steel beam, and the inner wall and the outer wall are fixed.
The invention at least comprises the following beneficial effects:
the load of each component of the steel structure building is analyzed through analysis software, materials with different strengths are adopted in a factory during production aiming at the stress conditions of different components, so that the mechanical strength requirement of the building structure is met, and the cost is saved; in addition, the two-dimensional code is pasted, so that ordinary personnel can access the server through the two-dimensional code to obtain a connection method of each component and other components, and professional requirements on construction personnel are reduced.
The bottom steel beam is fixed on the prefabricated steel column foundation, the hardened ground does not need to be leveled, the cost is saved, and the bottom steel beam is separated from the ground through the prefabricated steel column foundation, so that the bottom steel beam is kept dry, the corrosion resistance is enhanced, and the service life is prolonged; and, the notch of H type bottom girder steel sets up towards vertical direction, not only has the effect of being convenient for with prefabricated steel column foundation is fixed, still has the effect of wallboard and side fascia in the installation of being convenient for.
Thirdly, the inner wall and the outer wall are extruded outwards through the tensioning piece, so that the inner wall and the outer wall are respectively abutted against the groove walls on the two sides of the H-shaped steel beam, and the inner wall and the outer wall are fixed. During factory's modularization production, fix the tensioning piece installation on the web of the bottom girder steel of wallboard, middle part girder steel and the top girder steel of needs installation to reserve the wallboard hole of known correspondence on interior wallboard, be convenient for quick fixed interior outer wallboard.
Fourthly, the purlines and the top steel beams, the roof plate and the purlines are all fixed through quick insertion and connection of the locking structures.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural view of a first connector according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a second connector according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a third connecting member A according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a third connecting member B according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a third connecting member C according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a fourth connector according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a fourth socket BB in an embodiment of the present invention;
FIG. 8 is a schematic structural view of a latch structure in an embodiment of the present invention;
fig. 9 is a schematic diagram of a roof panel according to an embodiment of the present invention.
1. A first joint; 2. a second joint; 3. a convex edge; 4. a reinforcing plate; 5. an upper joint; 6. a lower joint; 7. an annular projection; 8. a third linker AA; 9. a third joint AD; 10. a third joint AB; 11. a third terminal AC; 12. a third linker BA; 13. a third joint BD; 14. a third joint BD; 15. a third joint BB; 16. a third terminal CB; 17. a third linker CD; 18. a third joint CA; 19. a third terminal CB; 20. a fourth plug connector AA; 21. a fourth bayonet joint AB; 22. a fixed part; 23. a screw; 24. adjusting the nut; 25. a movable portion; 26. a cylinder; 27. a U-shaped member; 28. a butt joint plate; 29. a limiting block; 30. a clamping and connecting plate; 31. a U-shaped groove; 32. a roof panel; 33. and a baffle plate.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Examples
A modular design method of a novel steel structure comprises the following steps:
1) establishing a steel structure frame model according to the requirements of a customer on the architectural style and the requirements of building specifications, establishing a wall body, a floor slab and a roof slab 32 according to the requirements of the customer on wall body materials, floor slab materials and roof materials, and analyzing the stress conditions of all parts and connecting pieces of the steel structure frame after the wall body and the floor slab are established by using finite element analysis software;
2) according to the steel structure frame model in the step 1), automatically calculating and outputting the installation sequence of each component and connecting piece of the steel structure frame by computer software, and labeling each component and connecting piece of the steel structure frame according to the installation sequence;
3) selecting materials meeting the corresponding mechanical property requirements to carry out industrialized production on each part and connecting piece of the steel structure frame according to the stress condition analysis result in the step 1), and correspondingly marking the label determined in the step 2) on each part and connecting piece;
4) and (3) transporting each part, connecting piece, wallboard and floor of the steel structure frame produced in a factory to a construction site, and constructing the house with the steel structure.
By analyzing the handling condition of the steel structure frame model, the materials of all the parts are selected according to different loads borne by different parts, so that the mechanical requirement of the steel structure frame is met, and the material cost is reduced; through carrying out the label to each part and connecting piece, help distinguishing the different parts of different positions, still be favorable to making clear and definite installation order, reduce the installation professional requirement, improve the installation effectiveness.
On the basis of the above embodiment, in one embodiment, the intelligent terminal further comprises a cloud server, wherein the cloud server stores installation methods of the steel structure components, the connecting members, the wall body and the plate body, the steel structure frame components, the connecting members, the wall body and the plate body are marked with two-dimensional codes, and after an installer scans the two-dimensional codes by using the intelligent terminal, the intelligent terminal obtains the installation methods of the corresponding steel structure frame components, the connecting members, the wall body and the plate body from the cloud server. Through identifying the two-dimensional codes for the components and the connecting pieces, an installer can access the cloud server through the two-dimensional codes to obtain a method for connecting the components, the connecting pieces and other components, and the technical requirements of the installer are reduced.
On the basis of the above embodiment, in one embodiment, the method for the intelligent terminal to obtain the installation methods of the components, the connecting pieces, the wall bodies and the plate bodies of the corresponding steel structure frame from the cloud server is one or two of video guidance and text description. The installation method is described by videos or characters, so that the method is visual and easy to understand.
On the basis of the above embodiments, in one embodiment, each component of the steel structural frame comprises a plurality of corner columns, a plurality of side columns, a plurality of middle columns, a plurality of bottom steel beams, a plurality of top purlins and a plurality of middle steel beams;
wherein the plurality of bottom steel beams are fixed with a prefabricated steel foundation on a foundation so that the bottom steel beams are horizontally arranged on the ground to form a bottom frame of the steel structural frame;
the bottom steel beam is vertically fixed on the bottom steel beam through a first connecting piece, and the heights of the corner columns, the side columns and the middle columns are increased by connecting the corner columns, the side columns and the middle columns through second connecting pieces;
the middle steel beams are respectively connected with the corner columns, the side columns and the middle columns through third connecting pieces so as to divide the steel frame structure into a plurality of layers;
and the top steel beams are respectively connected with the upper ends of the corner columns, the side columns and the middle columns through fourth connecting pieces to form a top frame of the steel structure frame.
Connect corner post, side column, center pillar, bottom girder steel, middle part girder steel and top girder steel through first connecting piece, second connecting piece, third connecting piece, fourth connecting piece, form steel structural framework.
On the basis of the above embodiments, in one embodiment, the prefabricated steel column foundation comprises a gravity type box-type independent foundation and a base steel column, and the base steel column is placed in the gravity type box-type independent foundation to form a structure with a convex cross section;
the bottom steel beam is an H-shaped steel beam, an H-shaped lower end opening of the bottom steel beam is clamped on the base steel column, a base through hole A is formed in the base steel column, a base through hole B corresponding to the base through hole A is formed in a wing plate of the bottom steel beam, and a base bolt penetrates through the base through hole B and the base through hole A and then is connected with a base nut to fix the bottom steel beam on a prefabricated steel column foundation;
the bottom steel beam comprises a bottom longitudinal steel beam and a bottom transverse steel beam, flange joints are arranged at two ends of the bottom transverse steel beam, flange through holes B corresponding to the flange through holes A on the flange joints are arranged on wing plates of the bottom longitudinal steel beam, and flange bolts penetrate through the flange through holes B and the flange through holes A and then are connected with flange nuts to fix the bottom transverse steel beam and the bottom longitudinal steel beam;
the first connecting piece comprises a first joint 1, a convex edge 3 and a second joint 2, the first joint 1 is of a U-shaped structure, the second joint 2 is arranged at the other end opposite to the U-shaped opening of the first joint 1, joint holes A are formed in two sides of the first joint 1, joint holes B corresponding to the joint holes in the direction of the wing plate of the bottom steel beam are formed in the wing plate of the bottom steel beam, joint bolts penetrate through the joint holes A and the joint holes B and then are connected with joint nuts to fix the first connecting piece on the wing plate of the bottom steel beam, and the convex edge 3 is arranged on two sides of the first joint 1 so that when the first joint 1 is connected with the bottom steel beam, the convex edge 3 is abutted against the wing plate of the bottom steel beam;
the outer side of the first connector 1 is also provided with a reinforcing plate 4, the convex edges 3 of the reinforcing plate 4 are connected to form an inserting groove with an opening consistent with the opening direction of the first connector 1 on the outer side of the first connecting piece, a connector hole C corresponding to the connector hole A and the connector hole B is arranged on the reinforcing plate 4, and a connector bolt penetrates through the connector hole C, the connector hole B and the connector hole A respectively and then is connected and fixed with a connector nut;
a plurality of corner posts, a plurality of side posts, a plurality of center pillars are the tubular cylinder that the cross section is the rectangle, the second connects 2 pegs graft the lower extreme of corner post, side post, center pillar is in order to fix corner post, side post, center pillar on the girder steel of bottom.
Fix on prefabricated steel column basis through the bottom girder steel, need not level and smooth sclerosis ground, practiced thrift the cost to, separate bottom girder steel and ground through prefabricated steel column basis, have and keep the bottom girder steel dry, the reinforcing is corrosion-resistant, increase of service life.
On the basis of the above embodiment, in one embodiment, the second connecting piece includes an upper joint 5 and a lower joint 6, the cross section of the upper joint 5 and the cross section of the lower joint 6 are rectangular, the outer side of the joint of the upper joint 5 and the lower street is provided with an annular protrusion 7, the lower ends of the upper corner post, the upper side post and the upper middle post are respectively inserted with the upper joint 5, the upper ends of the lower corner post, the lower side post and the lower middle post are respectively inserted with the lower joint 6 so as to respectively connect and fix the upper corner post, the lower corner post, the upper side post, the lower side post and the upper middle post, and the end of the upper corner post, the end of the lower corner post, the end of the upper side post, the end of the upper middle post and the lower middle post after being connected are respectively abutted against the annular protrusion 7, and the second bolt penetrates through the corner post, the side post, the middle post and the second connecting piece and.
On the basis of the above embodiment, in one embodiment, the third connecting piece comprises a third connecting piece a, a third connecting piece B and a third connecting piece C, and the middle steel beam is an H-shaped steel beam; wherein the content of the first and second substances,
the third connecting piece A is used for connecting and fixing the corner column and the middle steel beam, the third connecting piece A comprises a third joint AA8, a third joint AB10, a third joint AC11 and a third joint AD9, the third joint AA8, the third joint AB10 and the third joint AC11 are perpendicular to each other and arranged in a rectangular coordinate system, the third joint AD9 is arranged below the third joint AA8, the third joint AA8 and the third joint AD9 are inserted into two ends of the corner column, the middle steel beam is inserted into the third joint AB10 and the third joint AC, and a third bolt A connects and fixes the third connecting piece A, the corner column and the middle steel beam;
the third connecting piece B is used for connecting and fixing the side columns and the middle steel beam, the third connecting piece B comprises a third joint BA12, a third joint BB15, a third joint BC and a third joint BD13, the third joint BA12, the third joint BB15 and the third joint BC are perpendicular to each other and arranged in a rectangular coordinate system, the third joint BD13 is arranged below the third joint BA12, the middle steel beam is respectively inserted into the third joint BD13 and the third joint BB15, the third joint BD13 and the third joint BA12 are respectively inserted into the side columns, and the third bolt B connects and fixes the third connecting piece B, the middle steel beam and the side columns;
the third connecting piece C is used for connecting and fixing the center pillar and the middle steel beam, the third connecting piece C comprises a third joint CA18, a third joint CB16, a third joint CC and a third joint CD17, the third joint CA18, the third joint CB16, the third joint CC and the third joint CD17 are arranged perpendicular to each other, the third joint CA18 and the third joint CB16 are inserted into the center pillar, the middle steel beam is inserted into the third joint CB16 and the third joint CD17, and the third bolt C is used for connecting and fixing the third connecting piece C, the middle steel beam and the center pillar.
On the basis of the above embodiment, in one embodiment, the fourth connecting piece comprises a fourth connecting piece a and a fourth connecting piece B, and the cross section of the top steel beam is a rectangular steel pipe;
the fourth connecting piece A comprises a fourth plug connector AA20 and a fourth plug connector AB21, the fourth plug connector AA20 is hinged to the fourth plug connector AB21, and the fourth connecting piece A is used for connecting the corner columns and the side columns with the top steel beam and connecting the top steel beam with the top steel beam to form a ridge;
the fourth connecting piece B comprises a fourth plug-in connector BA, a fourth plug-in connector BB and a fourth plug-in connector BC, one end of the fourth plug-in connector BA, one end of the fourth plug-in connector BB and one end of the fourth plug-in connector BC are hinged, the other end of the fourth plug-in connector BA and the other end of the fourth plug-in connector BC are used for being connected with the top steel beam in an inserting mode, the other end of the fourth plug-in connector BB is used for being connected with the middle column, and the fourth plug-in connector BB has a height adjusting function;
wherein, the fourth bayonet joint BB comprises a fixed part 22, a screw 23, an adjusting nut 24 and a movable part 25, the movable part 25 is used for being inserted into the center pillar, a screw 23 hole penetrating through the movable part 25 is arranged in the middle of the movable part 25, the screw 23 is fixed at the lower end of the fixed part 22, the screw 23 penetrates through the screw 23 hole, a limiting part is arranged at the lower end of the screw 23 to limit the movable part 25 to slide out of the lower end of the screw 23, the adjusting nut 24 is sleeved in the screw 23, a cylinder 26 is arranged at the lower end of the adjusting nut 24, an annular dovetail is arranged at the lower end of the cylinder 26, an annular dovetail groove is arranged at the upper end of the movable part 25, the annular dovetail is used for being clamped in the annular dovetail groove to enable the movable part 25 to rotate relative to the adjusting nut 24, and when the adjusting nut 24 rotates on the screw, the distance of the movable portion 25 from the fixed portion 22 is adjusted.
Through the height adjusting function of the fourth plug-in connector BB, the mounting height of the top steel beam is adjusted, so that the top frame structure formed by the top steel material is smooth.
On the basis of the above embodiment, in an embodiment, the vehicle further includes a locking structure, where the locking structure includes:
a U-shaped member 27;
abutting plates 28 symmetrically arranged on both sides of the inside of the U-shaped member 27;
a torsion spring which is arranged at the hinge joint of the abutting plate 28 and the U-shaped piece 27 so as to lead the abutting plate 28 and the U-shaped piece 27 below the hinge joint to be opened at an angle;
a limiting block 29, which is arranged on the U-shaped part 27 above the hinging part of the abutting plate 28 and the U-shaped part 27, so that the maximum opening angle of the abutting plate 28 relative to the U-shaped part 27 below the hinging part is an acute angle;
the lower end of the clamping plate 30 is provided with a limiting head, the cross section of the limiting head is in an isosceles triangle shape, a plurality of clamping grooves are symmetrically formed in two sides of the clamping plate 30, and the abutting plate 28 abuts against the clamping grooves when being opened towards the U-shaped part 27 under the action of the return spring;
when the locking structure is used for connecting a purline and a top steel beam, the U-shaped part 27 is connected with the top steel beam and has an upward opening, the upper end of the clamping plate 30 is connected with the purline, when the clamping plate 30 is inserted into the U-shaped part 27, the limiting head moves downwards and crosses over the lower end of the abutting plate 28, and the abutting plate 28 abuts against the clamping groove under the action of the torsion spring;
when the locking structure is used for connecting a roof plate 32 and a purline, the U-shaped part 27 is connected with the purline and has an upward opening, the upper end of the clamping plate 30 is connected with the roof plate 32, when the clamping plate 30 is inserted into the U-shaped part 27, the limiting head moves downwards and crosses over the lower end of the abutting plate 28, and the abutting plate 28 abuts against the clamping groove under the action of the torsion spring;
the left side of roof board 32 is provided with the ascending U type groove 31 of opening, the right side of roof board 32 is provided with baffle 33, and the cell wall height that roof board 32 one side was kept away from in the left U type groove 31 of roof board 32 is less than the upper surface of roof board 32, the cell wall height that the height and the U type groove 31 of baffle 33 are close to roof board 32 one side equals, be provided with the ventilation hole on the baffle 33, the upper surface of roof board 32 lower extreme is provided with the connecting plate and forms L type and connect to the connecting plate butt of a roof board 32 is the fish scale column structure setting under the upper end of a roof board 32 on the messenger.
Through setting up the locking structure, realize purlin and top girder steel fast to and the installation of roof board 32 and purlin, improved the installation effectiveness.
On the basis of the above embodiment, in one embodiment, the wall body includes an inner wall and an outer wall, the middle steel beam is an H-shaped steel beam, the groove of the middle steel beam is opposite to the groove of the bottom steel beam, the lower ends of the inner wall and the outer wall are both arranged in the groove of the bottom steel beam, the upper ends of the inner wall and the outer wall are both arranged in the groove of the middle steel beam, and the inner wall and the outer wall are fixed by a tensioning member;
wherein, the tensioning member includes:
the two fixing pieces are used for being connected with the bottom steel beam and the web plate of the middle steel beam, and bearings are arranged on the fixing pieces;
the two ends of the threaded rod are connected with the bearing, and a first rotary bevel gear is arranged at one end of the threaded rod;
the connecting device comprises a plurality of connecting blocks, wherein through holes penetrating through the connecting blocks are formed in the connecting blocks, threaded rods penetrate through the through holes, limiting protrusions are arranged on the threaded rods on two sides of the connecting blocks, two balancing legs are arranged below the connecting blocks, and the length of each balancing leg is smaller than the distance between the lower part of each connecting block and a bottom steel beam web or a middle steel beam web, so that when the connecting blocks rotate, the supporting legs abut against the webs to prevent the connecting blocks from rotating;
the tensioning plates are symmetrically hinged to the connecting block, and an opening torsion spring is arranged at the hinged position of the tensioning plates and the connecting block so that the two tensioning plates are opened to form an acute angle;
the plurality of extrusion blocks are provided with threaded through holes, the extrusion blocks are in threaded connection with the threaded rods so that when the second threaded rods rotate, the extrusion blocks reciprocate in the second threaded rods, and when the extrusion blocks move towards the tensioning plates, the extrusion blocks extrude the tensioning plates to open so that the tensioning plates abut against the inner wall body and the outer wall body to fix the inner wall body and the outer wall body;
the dwang, its middle part be provided with first rotatory bevel gear of second of meshing mutually revolves bevel gear, one side of mounting is provided with articulated portion, the dwang is rotatable articulate in articulated portion is last, and the second on the dwang revolves bevel gear and first revolves bevel gear meshing mutually to the rotation through the dwang drives the threaded rod and rotates, the tip that the dwang is close to the interior wall is provided with cross recess, be provided with on the interior wallboard with the wallboard hole that the dwang is relative, in order to pass through the screwdriver twist behind the wallboard hole the dwang.
The inner wall and the outer wall are extruded outwards through the tensioning piece, so that the inner wall and the outer wall are respectively abutted against the groove walls on two sides of the H-shaped steel beam, and the inner wall and the outer wall are fixed.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.
Claims (10)
1. A novel modular design method of a steel structure is characterized by comprising the following steps:
1) establishing a steel structure frame model according to the requirements of a customer on the architectural style and the requirements of building specifications, establishing a wall body, a floor slab and a roof slab according to the requirements of the customer on wall body materials, floor slab materials and roof materials, and analyzing the stress conditions of all parts and connecting pieces of the steel structure frame after the wall body and the floor slab are established by using finite element analysis software;
2) according to the steel structure frame model in the step 1), automatically calculating and outputting the installation sequence of each component and connecting piece of the steel structure frame by computer software, and labeling each component and connecting piece of the steel structure frame according to the installation sequence;
3) selecting materials meeting the corresponding mechanical property requirements to carry out industrialized production on each part and connecting piece of the steel structure frame according to the stress condition analysis result in the step 1), and correspondingly marking the label determined in the step 2) on each part and connecting piece;
4) and (3) transporting each part, connecting piece, wallboard and floor of the steel structure frame produced in a factory to a construction site, and constructing the house with the steel structure.
2. The modular design method of the novel steel structure according to claim 1, further comprising a cloud server, wherein the cloud server stores installation methods of the steel structure components, the connecting members, the wall bodies and the plate bodies, the steel structure frame components, the connecting members, the wall bodies and the plate bodies are marked with two-dimensional codes, and after an installer scans the two-dimensional codes with the intelligent terminal, the intelligent terminal obtains the installation methods of the corresponding steel structure frame components, the connecting members, the wall bodies and the plate bodies from the cloud server.
3. The modular design method of the novel steel structure according to claim 2, wherein the intelligent terminal obtains the installation method of each part, connecting piece, wall and plate body of the corresponding steel structure frame from the cloud server, and the installation method is one or two of video guidance and text description.
4. The modular design method of the novel steel structure according to claim 1, wherein each part of the steel structure frame comprises a plurality of corner columns, a plurality of side columns, a plurality of center columns, a plurality of bottom steel beams, a plurality of top purlins and a plurality of middle steel beams;
wherein the plurality of bottom steel beams are fixed with a prefabricated steel foundation on a foundation so that the bottom steel beams are horizontally arranged on the ground to form a bottom frame of the steel structural frame;
the bottom steel beam is vertically fixed on the bottom steel beam through a first connecting piece, and the heights of the corner columns, the side columns and the middle columns are increased by connecting the corner columns, the side columns and the middle columns through second connecting pieces;
the middle steel beams are respectively connected with the corner columns, the side columns and the middle columns through third connecting pieces so as to divide the steel frame structure into a plurality of layers;
and the top steel beams are respectively connected with the upper ends of the corner columns, the side columns and the middle columns through fourth connecting pieces to form a top frame of the steel structure frame.
5. The modular design method of novel steel structure as claimed in claim 4,
the prefabricated steel column foundation comprises a gravity type box-type independent foundation and a base steel column, wherein the base steel column is arranged in the gravity type box-type independent foundation to form a structure with a convex cross section;
the bottom steel beam is an H-shaped steel beam, an H-shaped lower end opening of the bottom steel beam is clamped on the base steel column, a base through hole A is formed in the base steel column, a base through hole B corresponding to the base through hole A is formed in a wing plate of the bottom steel beam, and a base bolt penetrates through the base through hole B and the base through hole A and then is connected with a base nut to fix the bottom steel beam on a prefabricated steel column foundation;
the bottom steel beam comprises a bottom longitudinal steel beam and a bottom transverse steel beam, flange joints are arranged at two ends of the bottom transverse steel beam, flange through holes B corresponding to the flange through holes A on the flange joints are arranged on wing plates of the bottom longitudinal steel beam, and flange bolts penetrate through the flange through holes B and the flange through holes A and then are connected with flange nuts to fix the bottom transverse steel beam and the bottom longitudinal steel beam;
the first connecting piece comprises a first joint, a convex edge and a second joint, the first joint is of a U-shaped structure, the second joint is arranged at the other end opposite to the U-shaped opening of the first joint, joint holes A are formed in two sides of the first joint, joint holes B corresponding to the joint holes in the direction of the wing plate of the bottom steel beam are formed in the wing plate of the bottom steel beam, a joint bolt penetrates through the joint holes A and the joint holes B and then is connected with a joint nut to fix the first connecting piece on the wing plate of the bottom steel beam, and the convex edge is arranged on two sides of the first joint so that when the first joint is connected with the bottom steel beam, the convex edge is abutted against the wing plate of the bottom steel beam;
the outer side of the first joint is also provided with a reinforcing plate, the convex edges of the reinforcing plate are connected to form a plug-in groove with an opening in the same direction as the opening of the first joint on the outer side of the first connecting piece, the reinforcing plate is provided with a joint hole C corresponding to the joint hole A and the joint hole B, and a joint bolt penetrates through the joint hole C, the joint hole B and the joint hole A respectively and then is connected and fixed with a joint nut;
the second connector is inserted into the lower ends of the corner columns, the side columns and the middle columns so as to fix the corner columns, the side columns and the middle columns on the bottom steel beam.
6. The modular design method of the novel steel structure according to claim 5, wherein the second connecting member comprises an upper joint and a lower joint, the cross section of the upper joint and the cross section of the lower joint are both rectangular, an annular protrusion is arranged on the outer side of the joint of the upper joint and the lower joint, the lower ends of the upper corner post, the upper side post and the upper middle post are respectively inserted with the upper joint, the upper ends of the lower corner post, the lower side post and the lower middle post are respectively inserted with the lower joint so as to respectively connect and fix the upper corner post, the lower corner post, the upper side post and the lower side post, the upper middle post and the lower middle post, the ends of the upper corner post, the lower corner post, the upper side post and the lower middle post are respectively abutted against the annular protrusion, and the second bolt penetrates through the corner post, the side post, the middle post and the second connecting member and then is connected with the second nut.
7. The modular design method of the novel steel structure as claimed in claim 5, wherein the third connecting member comprises a third connecting member A, a third connecting member B and a third connecting member C, and the middle steel beam is an H-shaped steel beam; wherein the content of the first and second substances,
the third connecting piece A is used for connecting and fixing the corner column and the middle steel beam, and comprises a third joint AA, a third joint AB, a third joint AC and a third joint AD, wherein the third joint AA, the third joint AB and the third joint AC are perpendicular to each other and arranged in a rectangular coordinate system mode, the third joint AD is arranged below the third joint AA, the third joint AA and the third joint AD are inserted at two ends of the corner column, the middle steel beam is inserted at the third joint AB and the third joint AC, and a third bolt A connects and fixes the third connecting piece A, the corner column and the middle steel beam;
the third connecting piece B is used for connecting and fixing the side column and the middle steel beam, the third connecting piece B comprises a third joint BA, a third joint BB, a third joint BC and a third joint BD, the third joint BA, the third joint BB and the third joint BC are perpendicular to each other and arranged in a rectangular coordinate system mode, the third joint BD is arranged below the third joint BA, the middle steel beam is respectively inserted into the third joint BD and the third joint BB, the third joint BD and the third joint BA are respectively inserted into the side column, and a third bolt B connects and fixes the third connecting piece B, the middle steel beam and the side column;
the third connecting piece C is used for being connected and fixed with the middle part girder steel, and the third connecting piece C includes that the third connects CA, third joint CB, third joint CC and third joint CD, the third connects CA, third joint CB, third joint CC and third joint CD mutually perpendicular set up, and the third connects CA, third joint CB peg graft in the center pillar, and the middle part girder steel is pegged graft in third joint CB and third joint CD, and third bolt C is fixed with third connecting piece C, middle part girder steel, center pillar connection.
8. The modular design method of novel steel structure as claimed in claim 5,
the fourth connecting piece comprises a fourth connecting piece A and a fourth connecting piece B, and the cross section of the top steel beam is a rectangular steel pipe;
the fourth connecting piece A comprises a fourth plug-in connector AA and a fourth plug-in connector AB, the fourth plug-in connector AA and the fourth plug-in connector AB are hinged, and the fourth connecting piece A is used for connecting the corner columns and the side columns with the top steel beam and connecting the top steel beam with the top steel beam to form a ridge;
the fourth connecting piece B comprises a fourth plug-in connector BA, a fourth plug-in connector BB and a fourth plug-in connector BC, one end of the fourth plug-in connector BA, one end of the fourth plug-in connector BB and one end of the fourth plug-in connector BC are hinged, the other end of the fourth plug-in connector BA and the other end of the fourth plug-in connector BC are used for being connected with the top steel beam in an inserting mode, the other end of the fourth plug-in connector BB is used for being connected with the middle column, and the fourth plug-in connector BB has a height adjusting function;
wherein, fourth bayonet joint BB includes fixed part, screw rod, adjusting nut and movable part, the movable part is used for pegging graft on the center pillar, the centre of movable part is provided with and runs through the screw rod hole of movable part, the screw rod is fixed the lower extreme of fixed part, the screw rod runs through the screw rod hole, just the lower extreme of screw rod is provided with the locating part in order to restrict the lower extreme roll-off of movable part from the screw rod, adjusting nut overlaps and establishes in the screw rod, adjusting nut's lower extreme is provided with the drum, and the lower extreme of drum is provided with annular forked tail, the upper end of movable part is provided with annular dovetail, annular forked tail is used for the joint to be in the annular dovetail so that the movable part can adjust nut relatively and rotate, and when adjusting nut rotated on the screw rod, the distance of adjusting movable part apart.
9. The modular design method of the novel steel structure of claim 5, further comprising a locking structure, wherein the locking structure comprises:
a U-shaped member;
the abutting plates are symmetrically arranged on two sides of the inside of the U-shaped piece;
the torsion spring is arranged at the hinged position of the abutting plate and the U-shaped piece so as to enable the abutting plate and the U-shaped piece below the hinged position to be opened at an angle;
the limiting block is arranged on the U-shaped part above the hinged position of the abutting plate and the U-shaped part, so that the maximum opening angle of the U-shaped part below the hinged position of the abutting plate relative to the U-shaped part is an acute angle;
the lower end of the clamping plate is provided with a limiting head, the cross section of the limiting head is in an isosceles triangle shape, a plurality of clamping grooves are symmetrically formed in two sides of the clamping plate, and the abutting plate abuts against the clamping grooves when the abutting plate is opened towards the U-shaped part under the action of the return spring;
when the locking structure is used for connecting a purline and a top steel beam, the U-shaped part is connected with the top steel beam and has an upward opening, the upper end of the clamping and connecting plate is connected with the purline, when the clamping and connecting plate is inserted into the U-shaped part, the limiting head moves downwards and crosses the lower end of the abutting and connecting plate, and the abutting and connecting plate abuts against the clamping and connecting groove under the action of the torsion spring;
when the locking structure is used for connecting a roof plate and a purline, the U-shaped part is connected with the purline, the opening is upward, the upper end of the clamping and connecting plate is connected with the roof plate, when the clamping and connecting plate is inserted into the U-shaped part, the limiting head moves downwards and crosses the lower end of the abutting and connecting plate, and the abutting and connecting plate abuts against the clamping and connecting groove under the action of the torsion spring;
the left side of roof board is provided with the ascending U type groove of opening, the right side of roof board is provided with the baffle, and the cell wall height that roof board one side was kept away from in the left U type groove of roof board is less than the upper surface of roof board, the height of baffle and the cell wall height that U type groove is close to roof board one side are equal, be provided with the ventilation hole on the baffle, the upper surface of roof board lower extreme is provided with the connecting plate and forms L type and connect to the connecting plate butt of a roof board is the fish scale column structure setting in the upper end of a roof board down in the messenger.
10. The modular design method of the novel steel structure according to claim 5, wherein the wall body comprises an inner wall and an outer wall, the middle steel beam is an H-shaped steel beam, the groove of the middle steel beam is arranged opposite to the groove of the bottom steel beam, the lower ends of the inner wall and the outer wall are both arranged in the groove of the bottom steel beam, the upper ends of the inner wall and the outer wall are both arranged in the groove of the middle steel beam, and the inner wall and the outer wall are fixed through a tensioning member;
wherein, the tensioning member includes:
the two fixing pieces are used for being connected with the bottom steel beam and the web plate of the middle steel beam, and bearings are arranged on the fixing pieces;
the two ends of the threaded rod are connected with the bearing, and a first rotary bevel gear is arranged at one end of the threaded rod;
the connecting device comprises a plurality of connecting blocks, wherein through holes penetrating through the connecting blocks are formed in the connecting blocks, threaded rods penetrate through the through holes, limiting protrusions are arranged on the threaded rods on two sides of the connecting blocks, two balancing legs are arranged below the connecting blocks, and the length of each balancing leg is smaller than the distance between the lower part of each connecting block and a bottom steel beam web or a middle steel beam web, so that when the connecting blocks rotate, the supporting legs abut against the webs to prevent the connecting blocks from rotating;
the tensioning plates are symmetrically hinged to the connecting block, and an opening torsion spring is arranged at the hinged position of the tensioning plates and the connecting block so that the two tensioning plates are opened to form an acute angle;
the plurality of extrusion blocks are provided with threaded through holes, the extrusion blocks are in threaded connection with the threaded rods so that when the second threaded rods rotate, the extrusion blocks reciprocate in the second threaded rods, and when the extrusion blocks move towards the tensioning plates, the extrusion blocks extrude the tensioning plates to open so that the tensioning plates abut against the inner wall body and the outer wall body to fix the inner wall body and the outer wall body;
the dwang, its middle part be provided with first rotatory bevel gear of second of meshing mutually revolves bevel gear, one side of mounting is provided with articulated portion, the dwang is rotatable articulate in articulated portion is last, and the second on the dwang revolves bevel gear and first revolves bevel gear meshing mutually to the rotation through the dwang drives the threaded rod and rotates, the tip that the dwang is close to the interior wall is provided with cross recess, be provided with on the interior wallboard with the wallboard hole that the dwang is relative, in order to pass through the screwdriver twist behind the wallboard hole the dwang.
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| US11352781B2 (en) | 2020-09-15 | 2022-06-07 | Nano And Advanced Materials Institute Limited | Reversible self-locking interconnection system for modular integrated construction |
| CN112270116A (en) * | 2020-09-25 | 2021-01-26 | 珠海格力电器股份有限公司 | Product packaging and transporting statics analysis method, platform, storage medium and application |
| CN112861237A (en) * | 2021-03-01 | 2021-05-28 | 河北工业大学 | Automatic optimization design method and system for modular steel frame building structure |
| CN112861237B (en) * | 2021-03-01 | 2023-05-09 | 河北工业大学 | Automatic optimization design method and system for modularized steel frame building structure |
| CN113389386A (en) * | 2021-07-13 | 2021-09-14 | 广东二十冶建设有限公司 | Method for installing steel box-concrete combined structure |
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