CN111456249A - A detachable prefabricated composite building - Google Patents

Abstract

The invention provides a detachable assembled composite building. The house adopts a modular combination of foundation, beam-column support frame, wall, floor and roof truss. The foundation is assembled using prefabricated foundation standard modules. The prefabricated foundation standard modules divide the foundation into compartments which are connected one after the other. The compartment as a whole is a rectangular frame body with four basic beams. Each compartment is fixed by the connection of the tensile prestressed steel pipe. The upper surface of the foundation is pre-embedded with connectors at the four corners of the compartment. The roof truss is arranged on the top of the beam-column support frame. The house is processed in the factory from the lower foundation to the upper roof truss, and assembled directly on site, and the floor, wall and beams and columns are connected together to avoid lateral movement of the floor when the structure is stressed, and improve the overall mechanical performance of the house. Safety, faster assembly, and better environmental comfort.

Description

A detachable prefabricated composite building

technical field

The invention relates to the field of construction, in particular to a combined house.

Background technique

Rural houses are mostly made of solid bricks and concrete poured on site, which is labor-intensive, time-consuming, pollutes the environment, generates a lot of waste, expensive to build, and has a poor livable environment. Reliable connection, resulting in poor overall mechanical performance of the structure. Therefore, there is an urgent need to develop an integrally fabricated house.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a detachable prefabricated composite building to solve the problems existing in the prior art.

The technical solution adopted to achieve the purpose of the present invention is as follows: a detachable prefabricated composite building includes a prefabricated wall standard module, a prefabricated floor standard module and a beam-column support frame.

The prefabricated wall standard modules include prefabricated exterior wall standard modules and prefabricated interior wall standard modules. The prefabricated interior wall standard modules divide the interior of the building into several rooms.

The prefabricated exterior wall standard modules include steel support frames, concrete cladding and sealing panels. The steel support frame is a four-sided closed profile having an upper surface, a lower surface, a first end surface and a second end surface. The closed profile surrounds a semi-enclosed space S. Several through holes are arranged on the upper surface, the lower surface, the first end surface and the second end surface of the steel support frame. The steel support frame is welded with a threaded sleeve at the position of the through hole for engaging with the beam-column support frame. The threaded sleeve is located in the semi-enclosed space S. The steel support frame is embedded between the reinforced mesh and the sealing plate. The contact parts of the sealing plate and the steel support frame are connected by self-tapping screws. The concrete cladding layer wraps one side wall of the steel support frame. There is a gap between the cover plate and the concrete cladding layer. The gap is filled with thermal insulation material.

The prefabricated interior wall standard module includes a steel support frame embedded between two sealing plates. The steel support frame is a four-sided closed profile having an upper surface, a lower surface, a first end surface and a second end surface. The closed profile surrounds a semi-enclosed space S. The upper surface, the lower surface, the first end surface and the second end surface of the steel support frame are provided with a plurality of through holes for connecting with the standard modules of the prefabricated floor slab and the beam-column support frame. The contact parts of the sealing plate and the steel support frame are connected by self-tapping screws. The semi-enclosed space S is filled with thermal insulation material.

The beam-column support frame includes vertically arranged steel columns and steel beams vertically connected with the steel columns. The prefabricated external wall standard modules and prefabricated floor slab standard modules are installed in the erected beam-column support frame. The prefabricated floor slab standard modules are combined to form the base slab, floor slab or roof slab of the house. The prefabricated interior wall standard modules are arranged on the prefabricated floor slab standard modules. The prefabricated external wall standard modules are joined with steel columns or steel beams using bolts. The prefabricated interior wall standard modules are joined with prefabricated floor standard modules, steel columns or steel beams by bolts.

The invention also discloses a detachable assembled composite building, which comprises a prefabricated wall standard module, a prefabricated floor standard module and a beam-column support frame.

The prefabricated wall standard modules include prefabricated exterior wall standard modules and prefabricated interior wall standard modules. The prefabricated interior wall standard modules divide the interior of the building into several rooms.

The prefabricated exterior wall standard modules include steel support frames, concrete cladding and sealing panels. The steel support frame is a four-sided closed profile having an upper surface, a lower surface, a first end surface and a second end surface. The closed profile surrounds a semi-enclosed space S. The upper surface, the lower surface, the first end surface and the second end surface of the steel support frame are provided with a plurality of through holes for connecting with the foundation, the steel column or the steel beam. The steel support frame is embedded between the reinforced mesh and the sealing plate. The contact parts of the sealing plate and the steel support frame are connected by self-tapping screws. Several operating holes are opened on the board surface of the sealing plate. The concrete cladding layer wraps one side wall of the steel support frame. There is a gap between the cover plate and the concrete cladding layer. The gap is filled with thermal insulation material.

The prefabricated interior wall standard module includes a steel support frame embedded between two sealing plates. The steel support frame is a four-sided closed profile having an upper surface, a lower surface, a first end surface and a second end surface. The closed profile surrounds a semi-enclosed space S. The upper surface, the lower surface, the first end surface and the second end surface of the steel support frame are provided with a plurality of through holes for connecting with the standard modules of the prefabricated floor slab and the beam-column support frame. The contact parts of the sealing plate and the steel support frame are connected by self-tapping screws. The semi-enclosed space S is filled with thermal insulation material.

The beam-column support frame includes vertically arranged steel columns and steel beams vertically connected with the steel columns. The bottom of the steel column is joined to the prefabricated foundation.

The prefabricated external wall standard modules are installed in the erected beam-column support frame. The prefabricated external wall standard modules are joined with steel columns or steel beams using bolts. The prefabricated floor standard modules are erected on the upper flanges of the steel beams. The prefabricated floor slab standard modules are combined to form the base slab, floor slab or roof slab of the house. A threaded sleeve is arranged on the surface of the prefabricated foundation and the prefabricated floor slab. The prefabricated interior wall standard modules are arranged on the prefabricated floor slab standard modules. The prefabricated interior wall standard modules are joined with prefabricated floor standard modules, steel columns or steel beams by bolts.

Further, the sealing plate is a decorative plate.

Further, the whole prefabricated floor standard module is a reinforced concrete slab. The four corners of the standard module of the prefabricated floor slab are provided with accommodating gaps at the intersections with the columns. The upper flange of the steel beam is provided with a plurality of through holes along the length direction. The plate ends of the standard modules of the prefabricated floor slabs are placed on the upper flanges of the steel beams. A threaded sleeve is pre-embedded on the standard module of the prefabricated floor slab at a position corresponding to the through hole of the upper flange of the steel beam. The screw rod of the fixing bolt is screwed into the threaded sleeve after passing through the through hole of the upper flange of the steel beam, and the standard module of the prefabricated floor slab is fixed on the upper flange of the steel beam.

Further, reinforcing mesh sheets are also arranged in the concrete cladding layer.

Further, prefabricated roof truss standard modules are also included. The prefabricated roof truss standard module is arranged on the top of the beam-column support frame. Adjacent prefabricated roof truss standard modules are bolted to form a roof truss.

Further, the steel supporting frames of the prefabricated outer wall standard modules and the prefabricated inner wall standard modules are all surrounded by channel steel to form a rectangular supporting frame.

The channel has a web and channel flanges. The channel steel includes transverse channel steel I, transverse channel steel II, vertical channel steel I and vertical channel steel II. Several through holes are arranged on the web plate surface of the transverse channel steel I, the transverse channel steel II, the vertical channel steel I and the vertical channel steel II. The transverse channel steel I, the transverse channel steel II, the vertical channel steel I and the vertical channel steel II are welded with a threaded sleeve at the position of the through hole of the web plate. The ends of the transverse channel steel I, the transverse channel steel II, the vertical channel steel I and the vertical channel steel II are all provided with grooves. The grooves of the transverse channel steel I and the transverse channel steel II are opposite. The slots of the vertical channel steel I and the vertical channel steel II are opposite. The upper surface of the transverse channel steel I is flush with the tops of the vertical channel steel I and the vertical channel steel II, and the lower surface of the transverse channel steel II is flush with the bottom of the vertical channel steel I and the vertical channel steel II. Several wall vertical rods are arranged in the semi-enclosed space S. The wall vertical rods are cold-formed thin-walled C-shaped steel vertical rods. The wall vertical rod includes a web and a flange. At the opening of the vertical rod of the wall, the flange is bent and extended to extend the inner curling edge. The transverse channel steel I and the transverse channel steel II are respectively covered on the top and bottom of the vertical rod of the wall. The upper end of the wall vertical rod extends into the interior of the opening groove of the transverse channel steel I. The lower end of the wall vertical rod extends into the opening groove of the transverse channel steel II. The joints between the vertical rod of the wall and the transverse channel steel I and the transverse channel steel II are fixedly connected by self-tapping screws.

The steel beam is an I-beam. Standard modules for prefabricated facades are joined to the flanges of the steel beams. The bolts pass through the upper flange of the I-beam and the transverse channel II and then screw into the corresponding threaded sleeve above the web of the transverse channel II. The bolts pass through the lower flange of the I-beam and the transverse channel I and then screw into the corresponding threaded sleeve under the web of the transverse channel I.

The steel column is an I-shaped steel column. Standard modules for prefabricated facades are attached to the flanges of the steel columns. The bolts are screwed into the corresponding threaded sleeve after passing through the flange of the I-beam column and the web of the vertical channel I or vertical channel II.

Further, the steel support frame adopts channel steel to enclose a rectangular support frame. The channel has a web and channel flanges. The channel steel includes transverse channel steel I, transverse channel steel II, vertical channel steel I and vertical channel steel II. The grooves of the transverse channel steel I and the transverse channel steel II are opposite. The slots of the vertical channel steel I and the vertical channel steel II are opposite. The upper surface of the transverse channel steel I is flush with the tops of the vertical channel steel I and the vertical channel steel II, and the lower surface of the transverse channel steel II is flush with the bottom of the vertical channel steel I and the vertical channel steel II. Several through holes are arranged on the web plate surface of the transverse channel steel I, the transverse channel steel II, the vertical channel steel I and the vertical channel steel II.

Several wall vertical rods are arranged in the semi-enclosed space S. The wall vertical rods are cold-formed thin-walled C-shaped steel vertical rods. The wall vertical rod includes a web and a flange. At the opening of the vertical rod of the wall, the flange is bent and extended to extend the inner curling edge. The transverse channel steel I and the transverse channel steel II are respectively covered on the top and bottom of the vertical rod of the wall. The upper end of the wall vertical rod extends into the interior of the opening groove of the transverse channel steel I. The lower end of the wall vertical rod extends into the opening groove of the transverse channel steel II. The joints between the vertical rod of the wall and the transverse channel steel I and the transverse channel steel II are fixedly connected by self-tapping screws.

The steel column is an I-shaped steel column. Standard modules for prefabricated facades are joined to the webs of the steel columns by means of T-connectors. The T-shaped connecting piece includes a connecting plate and a joint plate that are perpendicular to each other. The connecting plate is welded vertically to the web of the steel column. The joint plate is connected with the vertical channel steel I or the vertical channel steel II. Through holes are arranged on the board surface of the joint board. An inner thread sleeve is welded at the corresponding position of the through hole on the side plate surface of the joint plate facing away from the vertical channel steel I or the vertical channel steel II. The bolts are screwed into the threaded sleeve of the T-shaped connecting piece after passing through the through holes on the web of vertical channel steel I or vertical channel steel II.

The steel beams are box-shaped steel beams. A through hole is provided on the board surface at the joint position of the box-shaped steel beam and the prefabricated external wall standard module. A threaded sleeve is pre-welded at the position of the through hole in the inner cavity of the box-shaped steel beam. The bolts are screwed into the threaded sleeve after passing through the through holes on the web of transverse channel steel I or transverse channel steel II.

Further, the foundation is combined using different prefabricated foundation standard modules.

The prefabricated basic standard modules include back-shaped modules, slot-shaped modules and L-shaped modules. The back-shaped module has four foundation beams. The four foundation beams are combined into a rectangular frame structure. The trough module has three base beams. The three foundation beams are combined into a U-shaped structure. The L-shaped module has two base beams. The two foundation beams are vertically combined into an L-shaped structure. The prefabricated foundation standard modules divide the foundation into rectangular compartments connected one after the other. Each compartment is fixed by the connection of the tensile prestressed steel pipe.

The upper surface of the foundation beam is pre-embedded with connecting pieces at the four corners of the compartment. The upper surface of the base beam is pre-embedded with threaded sleeves at the four sides of the compartment. The connecting piece includes a screw and a panel. A plurality of screws are welded on one side of the panel, and a plurality of L-shaped steel bars are welded on the other side of the panel. The panels and L-shaped reinforcement are embedded in the foundation beam. The threaded rod protrudes from the upper surface of the foundation beam.

The steel columns are joined to the foundation by means of connectors. The bolts are screwed into the threaded sleeves of the foundation beam after passing through the threaded holes on the web of the transverse channel steel II.

Further, the transverse channel steel II of the prefabricated external wall standard module is provided with openings.

The technical effect of the present invention is beyond doubt:

A. At the construction site, the unitized prefabricated wall standard modules are installed in the erected beam-column support frame. It can reduce on-site construction operations and shorten the construction period;

B. From the lower foundation to the upper roof truss are all processed in the factory, assembled directly on site, and the floor, wall and beams and columns are connected together to avoid lateral movement of the floor when the structure is stressed;

C. Improve the overall mechanical performance and safety of the house, the assembly speed is faster, and the environmental comfort is better.

Description of drawings

1 is a schematic structural diagram of a prefabricated exterior wall standard module in Example 1;

Fig. 2 is the sectional view of the prefabricated exterior wall standard module in embodiment 1;

3 is a schematic structural diagram of a prefabricated interior wall standard module in Example 1;

4 is a sectional view of a prefabricated interior wall standard module in Example 1;

5 is a schematic structural diagram of a prefabricated interior wall standard module sealing plate in Example 1;

Figure 6 is a schematic diagram of a steel support frame structure;

Fig. 7 is the connection schematic diagram of prefabricated exterior wall standard module and beam in embodiment 1;

8 is a schematic diagram of the connection between the prefabricated external wall standard module and the column in Example 1;

9 is a schematic diagram of the connection between a prefabricated interior wall standard module and a floor slab in Example 1;

10 is a schematic diagram of a composite building structure in Example 2;

11 is a schematic diagram of the frame structure in Embodiment 2;

12 is a schematic structural diagram of a prefabricated exterior wall standard module in Example 2;

13 is a sectional view of the standard modular structure of the prefabricated exterior wall in Example 2;

14 is a schematic structural diagram of a prefabricated external wall standard module sealing plate in Example 2;

Figure 15 is a schematic diagram of the connection between the prefabricated external wall standard module and the column in Example 2;

Figure 16 is a schematic diagram of the basic structure;

Figure 17 is a schematic structural diagram of a basic connector;

18 is a schematic diagram of a composite building structure in Example 8;

Figure 19 is a schematic view of the first roof truss structure;

Figure 20 is a first roof truss connection diagram;

Figure 21 is a diagram showing the connection relationship between the inclined beam of the roof truss and the purlin;

Figure 22 is a diagram showing the connection between the inclined beam of the roof truss and the steel column;

Figure 23 is a schematic diagram of the second roof truss structure;

FIG. 24 is a schematic diagram of the third roof truss structure.

In the figure: prefabricated foundation standard module 1, foundation beam 101, stiffening plate 102, anti-tensile prestressed steel pipe 104, connector 105, prefabricated wall standard module 2, steel support frame 201, transverse channel steel I 2011, transverse channel steel II 2012, Opening 20121, vertical channel steel I 2013, vertical channel steel II 2014, concrete cladding layer 202, reinforced mesh 203, sealing plate 204, operating hole 2041, wall vertical rod 205, connecting piece 207, connecting plate 2071, joint Slab 2072, prefabricated floor standard module 3, prefabricated roof truss standard module 4, roof ridge member 401, roof truss inclined beam 402, purlin 403, cover plate 404, roof truss inclined beam extension rod 405, steel column 5, steel beam 6.

Detailed ways

The present invention will be further described below in conjunction with the examples, but it should not be understood that the scope of the above-mentioned subject matter of the present invention is limited to the following examples. Without departing from the above-mentioned technical idea of the present invention, various substitutions and changes can be made according to common technical knowledge and conventional means in the field, which shall be included in the protection scope of the present invention.

Example 1:

This embodiment discloses a detachable prefabricated composite building, including a prefabricated wall standard module 2, a prefabricated floor standard module 3, a prefabricated roof truss standard module 4, and a beam-column support frame.

The prefabricated wall standard module 2 includes a prefabricated exterior wall standard module and a prefabricated interior wall standard module. The prefabricated interior wall standard modules divide the interior of the building into multiple rooms.

Referring to FIGS. 1 and 2 , the prefabricated exterior wall standard module includes a steel support frame 201 , a concrete cladding layer 202 and a cover plate 204 . The sealing plate 204 is a decorative plate. The steel support frame 201 is a four-sided closed profile having an upper surface, a lower surface, a first end surface and a second end surface. The closed profile surrounds a semi-enclosed space S.

Referring to FIG. 6 , in this embodiment, the steel support frame 201 of the prefabricated external wall standard module adopts channel steel to enclose a rectangular support frame. The channel has a web and channel flanges. The channel steel includes horizontal channel steel I2011, horizontal channel steel II2012, vertical channel steel I2013 and vertical channel steel II2014. The ends of the transverse channel steel I2011, the transverse channel steel II2012, the vertical channel steel I2013 and the vertical channel steel II2014 are all provided with grooves. The transverse channel steel I2011 and the transverse channel steel II2012 have opposite slots. The vertical channel steel I2013 is opposite to the vertical channel steel II2014. The upper surface of the horizontal channel steel I2011 is flush with the tops of the vertical channel steel I2013 and the vertical channel steel II2014, and the lower surface of the horizontal channel steel II2012 is flush with the bottom of the vertical channel steel I2013 and the vertical channel steel II2014. The transverse channel steel I2011, the transverse channel steel II2012, the vertical channel steel I2013 and the vertical channel steel II2014 are all provided with a plurality of through holes on the web plate surface. The transverse channel steel I2011, the transverse channel steel II2012, the vertical channel steel I2013 and the vertical channel steel II2014 are welded with a threaded sleeve at the position of the through hole of the web plate. Wall vertical rods 205 are arranged in the semi-enclosed space S. The wall vertical rod 205 is a cold-formed thin-walled C-shaped steel vertical rod. The wall uprights 205 include webs and flanges. At the opening of the wall vertical rod 205 , the flange is bent and extended to extend from the inner curl. The transverse channel steel I 2011 and the transverse channel steel II 2012 are respectively covered on the top and bottom of the wall vertical rod 205 . The upper end of the wall vertical rod 205 extends into the opening groove of the transverse channel steel I2011. The lower end of the wall vertical rod 205 extends into the opening groove of the transverse channel steel II 2012. The wall vertical rod 205 is fixedly connected with the transverse channel steel I 2011 and the transverse channel steel II 2012 through self-tapping screws. The steel support frame 201 is embedded between the reinforcing mesh sheet 203 and the sealing plate 204 . The contact parts of the sealing plate 204 and the steel support frame 201 are connected by self-tapping screws. The concrete cladding layer 202 wraps one side wall of the steel support frame 201 . There is a gap between the cover plate 204 and the concrete cladding layer 202 . The gap is filled with thermal insulation material. Reinforcing mesh sheets 203 are also arranged in the concrete cladding layer 202 .

Referring to FIG. 3 , the prefabricated interior wall standard module includes a steel support frame 201 embedded between two cover plates 204 . The steel support frame 201 is a four-sided closed profile having an upper surface, a lower surface, a first end surface and a second end surface. The closed profile surrounds a semi-enclosed space S.

In this embodiment, the steel support frame 201 of the standard interior wall module adopts channel steel to enclose a rectangular support frame. The channel has a web and channel flanges. The channel steel includes horizontal channel steel I2011, horizontal channel steel II2012, vertical channel steel I2013 and vertical channel steel II2014. The ends of the transverse channel steel I2011, the transverse channel steel II2012, the vertical channel steel I2013 and the vertical channel steel II2014 are all provided with grooves. The transverse channel steel I2011 and the transverse channel steel II2012 have opposite slots. The vertical channel steel I2013 is opposite to the vertical channel steel II2014. The upper surface of the transverse channel steel I2011 is flush with the tops of the vertical channel steel I2013 and the vertical channel steel II2014, and the lower surface of the transverse channel steel II2012 is flush with the bottom of the vertical channel steel I2013 and the vertical channel steel II2014. The transverse channel steel I2011, the transverse channel steel II2012, the vertical channel steel I2013 and the vertical channel steel II2014 are all provided with a plurality of through holes on the web plate surface. Referring to Figure 4, the transverse channel steel I2011, the vertical channel steel I2013 and the vertical channel steel II2014 are welded with threaded sleeves at the positions of the through holes of the web. A plurality of operation holes 2041 are provided at the bottom position of the board surface of the sealing plate 204 . Wall vertical rods 205 are arranged in the semi-enclosed space S. The wall vertical rod 205 is a cold-formed thin-walled C-shaped steel vertical rod. The wall uprights 205 include webs and flanges. At the opening of the wall vertical rod 205 , the flange is bent and extended to extend from the inner curl. The transverse channel steel I 2011 and the transverse channel steel II 2012 are respectively covered on the top and bottom of the wall vertical rod 205 . The upper end of the wall vertical rod 205 extends into the opening groove of the transverse channel steel I2011. The lower end of the wall vertical rod 205 extends into the opening groove of the transverse channel steel II 2012. The wall vertical rod 205 is fixedly connected with the transverse channel steel I 2011 and the transverse channel steel II 2012 through self-tapping screws. The contact part of the sealing plate 204 and the steel support frame 201 is connected by self-tapping screws. The semi-enclosed space S is filled with thermal insulation material.

The beam-column support frame includes vertically arranged steel columns 5 and steel beams 6 vertically connected to the steel columns 5 . The prefabricated exterior wall standard modules and prefabricated floor slab standard modules 3 are installed in the erected beam-column support frame. The prefabricated floor slab standard module 3 is assembled to form the base slab, floor slab or roof slab of the house. The prefabricated interior wall standard modules are arranged on the prefabricated floor slab standard modules 3 . The prefabricated exterior wall standard modules are joined with steel columns 5 or steel beams 6 by bolts. The prefabricated interior wall standard modules are joined to the prefabricated floor standard modules 3 , steel columns 5 or steel beams 6 by bolts.

The prefabricated floor slab standard module 3 is a reinforced concrete slab as a whole. The four corners of the prefabricated floor standard module 3 are provided with accommodating gaps at the intersections with the columns. The plate end of the prefabricated floor standard module 3 is placed on the upper flange of the steel beam 6 . A threaded sleeve is pre-embedded on the prefabricated floor standard module 3 at a position corresponding to the through hole of the upper flange of the steel beam 6 . The prefabricated floor standard module 3 is also pre-embedded with threaded sleeves at positions corresponding to the transverse channel steel II 2012 through holes of the prefabricated interior wall standard module.

Referring to FIG. 7 , the steel beam 6 is an I-beam. The flanges of the steel beams 6 are provided with a plurality of through holes along the length direction. The prefabricated facade standard modules are joined with the flanges of the steel beams 6 . The bolts pass through the upper flange of the I-beam and the transverse channel II 2012 and then screw into the corresponding threaded sleeve above the web of the transverse channel II 2012. The bolts pass through the lower flange of the I-beam and the transverse channel steel I2011 and then screw into the corresponding threaded sleeve under the web of the transverse channel steel I2011.

Referring to FIG. 8 , the steel column 5 is an I-shaped steel column. The prefabricated exterior wall standard modules are connected to the flanges of the steel columns 5 . The bolts are screwed into the corresponding threaded sleeve after passing through the flange of the I-beam column and the web of vertical channel steel I2013 or vertical channel steel II2014.

Referring to FIG. 9 , the threaded rod of the fixing bolt passes through the through hole of the upper flange of the steel beam 6 and then is screwed into the corresponding threaded sleeve of the prefabricated floor standard module 3 , and the prefabricated floor standard module 3 is fixed on the upper flange of the steel beam 6 . The prefabricated interior wall standard modules are installed with fixing bolts through the operation holes 2041 at the bottom of the cover plate 204 . The threaded rod of the bolt is screwed into the corresponding threaded sleeve of the standard module 3 of the prefabricated floor slab from the lower end of the wall.

The prefabricated roof truss standard module 4 is arranged on the top of the beam-column support frame. The adjacent prefabricated roof truss standard modules 4 are connected by bolts to form a roof truss together.

Example 2:

10 and 11, the present embodiment discloses a detachable prefabricated composite building, which adopts beam-column support frame, prefabricated foundation standard module 1, prefabricated wall standard module 2, prefabricated floor standard module 3 and prefabricated roof truss standard module 4 for modular assembly. The prefabricated basic standard module 1 , the prefabricated wall standard module 2 , the prefabricated floor standard module 3 and the prefabricated roof truss standard module 4 are directly assembled on site after finishing decoration in the factory.

The prefabricated wall standard module 2 includes a prefabricated exterior wall standard module and a prefabricated interior wall standard module. The prefabricated interior wall standard modules divide the interior of the building into multiple rooms.

Referring to FIGS. 12 , 13 and 14 , the prefabricated exterior wall standard module includes a steel support frame 201 , a concrete cladding 202 and a cover plate 204 . The sealing plate 204 is a decorative plate. The steel support frame 201 is a four-sided closed profile having an upper surface, a lower surface, a first end surface and a second end surface. The closed profile surrounds a semi-enclosed space S.

In this embodiment, the steel support frame 201 of the prefabricated external wall standard module adopts channel steel to enclose a rectangular support frame. The channel has a web and channel flanges. The channel steel includes horizontal channel steel I2011, horizontal channel steel II2012, vertical channel steel I2013 and vertical channel steel II2014. The ends of the transverse channel steel I2011, the transverse channel steel II2012, the vertical channel steel I2013 and the vertical channel steel II2014 are all provided with grooves. The transverse channel steel I2011 and the transverse channel steel II2012 have opposite slots. The vertical channel steel I2013 is opposite to the vertical channel steel II2014. The upper surface of the horizontal channel steel I2011 is flush with the tops of the vertical channel steel I2013 and the vertical channel steel II2014, and the lower surface of the horizontal channel steel II2012 is flush with the bottom of the vertical channel steel I2013 and the vertical channel steel II2014. The transverse channel steel I2011, the transverse channel steel II2012, the vertical channel steel I2013 and the vertical channel steel II2014 are all provided with a plurality of through holes on the web plate surface. Wall vertical rods 205 are arranged in the semi-enclosed space S. The wall vertical rod 205 is a cold-formed thin-walled C-shaped steel vertical rod. The wall uprights 205 include webs and flanges. At the opening of the wall vertical rod 205 , the flange is bent and extended to extend from the inner curl. The transverse channel steel I 2011 and the transverse channel steel II 2012 are respectively covered on the top and bottom of the wall vertical rod 205 . The upper end of the wall vertical rod 205 extends into the opening groove of the transverse channel steel I2011. The lower end of the wall vertical rod 205 extends into the opening groove of the transverse channel steel II 2012. The wall vertical rod 205 is fixedly connected with the transverse channel steel I 2011 and the transverse channel steel II 2012 through self-tapping screws. The steel support frame 201 is embedded between the reinforcing mesh sheet 203 and the sealing plate 204 . The contact parts of the sealing plate 204 and the steel support frame 201 are connected by self-tapping screws. The concrete cladding layer 202 wraps one side wall of the steel support frame 201 . There is a gap between the cover plate 204 and the concrete cladding layer 202 . The gap is filled with thermal insulation material. Reinforcing mesh sheets 203 are also arranged in the concrete cladding layer 202 .

The concrete cladding layer 202 of the prefabricated exterior wall standard module faces the outside of the house, and the sealing plate 204 faces the inside of the house. The transverse channel steel II 2012 of the prefabricated exterior wall standard module is provided with openings on the inside of the house. The opening can be fitted with the corners of the adjacent prefabricated floor slabs. The bolts are screwed into the threaded sleeves of the foundation beam 101 after passing through the threaded holes on the web of the transverse channel steel II 2012.

The prefabricated interior wall standard module includes a steel support frame 201 embedded between two sealing plates 204 . The steel support frame 201 is a four-sided closed profile having an upper surface, a lower surface, a first end surface and a second end surface. The closed profile surrounds a semi-enclosed space S.

In this embodiment, the steel support frame 201 of the standard interior wall module adopts channel steel to enclose a rectangular support frame. The channel has a web and channel flanges. The channel steel includes horizontal channel steel I2011, horizontal channel steel II2012, vertical channel steel I2013 and vertical channel steel II2014. The ends of the transverse channel steel I2011, the transverse channel steel II2012, the vertical channel steel I2013 and the vertical channel steel II2014 are all provided with grooves. The transverse channel steel I2011 and the transverse channel steel II2012 have opposite slots. The vertical channel steel I2013 is opposite to the vertical channel steel II2014. The upper surface of the horizontal channel steel I2011 is flush with the tops of the vertical channel steel I2013 and the vertical channel steel II2014, and the lower surface of the horizontal channel steel II2012 is flush with the bottom of the vertical channel steel I2013 and the vertical channel steel II2014. The transverse channel steel I2011, the transverse channel steel II2012, the vertical channel steel I2013 and the vertical channel steel II2014 are all provided with a plurality of through holes on the web plate surface. A plurality of operation holes 2041 are formed on the surface of the sealing plate 204 . Wall vertical rods 205 are arranged in the semi-enclosed space S. The wall vertical rod 205 is a cold-formed thin-walled C-shaped steel vertical rod. The wall uprights 205 include webs and flanges. At the opening of the wall vertical rod 205 , the flange is bent and extended to extend from the inner curl. The transverse channel steel I 2011 and the transverse channel steel II 2012 are respectively covered on the top and bottom of the wall vertical rod 205 . The upper end of the wall vertical rod 205 extends into the opening groove of the transverse channel steel I2011. The lower end of the wall vertical rod 205 extends into the opening groove of the transverse channel steel II 2012. The wall vertical rod 205 is fixedly connected with the transverse channel steel I 2011 and the transverse channel steel II 2012 through self-tapping screws. The contact parts of the sealing plate 204 and the steel support frame 201 are connected by self-tapping screws. The semi-enclosed space S is filled with thermal insulation material.

Referring to FIG. 16 , the foundations are combined using different prefabricated foundation standard modules 1 . The prefabricated basic standard module 1 includes a back-shaped module, a slot-shaped module and an L-shaped module. The back-shaped module has four foundation beams 101 . The four foundation beams 101 are combined into a rectangular frame structure. The trough module has three base beams 101 . The three foundation beams 101 are combined into a U-shaped structure. The L-shaped module has two base beams 101 . The two foundation beams 101 are vertically combined to form an L-shaped structure. Said prefabricated foundation standard module 1 divides the foundation into rectangular compartments connected one after the other. The individual compartments are connected and fixed by means of tensile prestressed steel pipes 104 .

The upper surface of the base beam 101 is pre-embedded with connecting pieces 105 at the four corners of the compartment. The upper surface of the base beam 101 is pre-embedded with threaded sleeves at the four sides of the compartment. Referring to FIG. 17 , the connector 105 includes a screw and a panel. A plurality of screws are welded on one side of the panel, and a plurality of L-shaped steel bars are welded on the other side of the panel. The panels and L-shaped reinforcement are embedded in the foundation beam 101 . The threaded rod protrudes from the upper surface of the base beam 101 .

The beam-column support frame includes vertically arranged steel columns 5 and steel beams 6 vertically connected to the steel columns 5 . The steel column 5 is joined to the foundation by means of connecting pieces 105 . The prefabricated floor slab is erected on the upper flange of the steel beam 6 . Threaded sleeves are arranged on the surface of the prefabricated foundation and the prefabricated floor slab.

The steel beam 6 is a box-shaped steel beam. A through hole is provided on the board surface at the joint position of the box-shaped steel beam and the prefabricated wall standard module 2 . A threaded sleeve is pre-welded at the position of the through hole in the inner cavity of the box-shaped steel beam. The bolts are screwed into the threaded sleeve after passing through the through holes on the web of transverse channel steel I2011 or transverse channel steel II2012.

Referring to FIG. 15 , the steel column 5 is an I-beam column. The prefabricated wall standard modules 2 are joined to the webs of the steel columns 5 by means of T-shaped connectors 207 . The T-shaped connector 207 includes a connecting plate 2071 and a joint plate 2072 that are perpendicular to each other. The connecting plate 2071 is vertically welded to the web of the steel column 5 . The joint plate 2072 is in contact with the vertical channel steel I2013 or the vertical channel steel II2014. Through holes are arranged on the board surface of the joint board 2072 . A threaded sleeve is welded at the corresponding position of the through hole on one side of the joint plate 2072 facing away from the vertical channel steel I2013 or the vertical channel steel II2014. The bolts are screwed into the threaded sleeve of the T-shaped connector 207 after passing through the through holes on the web of vertical channel steel I2013 or vertical channel steel II2014.

Example 3:

This embodiment discloses a detachable prefabricated composite building, which includes a prefabricated wall standard module 2, a prefabricated floor standard module 3 and a beam-column support frame.

The prefabricated wall standard module 2 includes a prefabricated exterior wall standard module and a prefabricated interior wall standard module. The prefabricated interior wall standard modules divide the interior of the building into several rooms.

The prefabricated exterior wall standard module includes a steel support frame 201 , a concrete cladding layer 202 and a cover plate 204 . The steel support frame 201 is a four-sided closed profile having an upper surface, a lower surface, a first end surface and a second end surface. The closed profile surrounds a semi-enclosed space S. Several through holes are provided on the upper surface, the lower surface, the first end surface and the second end surface of the steel support frame 201 . The steel support frame 201 is welded with a threaded sleeve at the position of the through hole for engaging with the beam-column support frame. The threaded sleeve is located in the semi-enclosed space S. The steel support frame 201 is embedded between the reinforcing mesh sheet 203 and the sealing plate 204 . The contact parts of the sealing plate 204 and the steel support frame 201 are connected by self-tapping screws. The concrete cladding layer 202 wraps one side wall of the steel support frame 201 . There is a gap between the cover plate 204 and the concrete cladding layer 202 . The gap is filled with thermal insulation material.

The prefabricated interior wall standard module includes a steel support frame 201 embedded between two sealing plates 204 . The steel support frame 201 is a four-sided closed profile having an upper surface, a lower surface, a first end surface and a second end surface. The closed profile surrounds a semi-enclosed space S. The upper surface, the lower surface, the first end surface and the second end surface of the steel support frame 201 are provided with a number of through holes for connecting with the prefabricated floor standard module 3 and the beam-column support frame. The contact parts of the sealing plate 204 and the steel support frame 201 are connected by self-tapping screws. The semi-enclosed space S is filled with thermal insulation material.

The beam-column support frame includes vertically arranged steel columns 5 and steel beams 6 vertically connected to the steel columns 5 . The prefabricated exterior wall standard modules and prefabricated floor slab standard modules 3 are installed in the erected beam-column support frame. The prefabricated floor slab standard module 3 is assembled to form the base slab, floor slab or roof slab of the house. The prefabricated interior wall standard modules are arranged on the prefabricated floor slab standard modules 3 . The prefabricated exterior wall standard modules are joined with steel columns 5 or steel beams 6 by bolts. The prefabricated interior wall standard modules are joined to the prefabricated floor standard modules 3 , steel columns 5 or steel beams 6 by bolts.

Example 4:

This embodiment discloses a detachable prefabricated composite building, which includes a prefabricated wall standard module 2, a prefabricated floor standard module 3 and a beam-column support frame.

The prefabricated wall standard module 2 includes a prefabricated exterior wall standard module and a prefabricated interior wall standard module. The prefabricated interior wall standard modules divide the interior of the building into several rooms.

The prefabricated exterior wall standard module includes a steel support frame 201 , a concrete cladding layer 202 and a cover plate 204 . The steel support frame 201 is a four-sided closed profile having an upper surface, a lower surface, a first end surface and a second end surface. The closed profile surrounds a semi-enclosed space S. The upper surface, the lower surface, the first end surface and the second end surface of the steel support frame 201 are provided with a plurality of through holes for connecting with the foundation 1 , the steel column 5 or the steel beam 6 . The steel support frame 201 is embedded between the reinforcing mesh sheet 203 and the sealing plate 204 . The contact parts of the sealing plate 204 and the steel support frame 201 are connected by self-tapping screws. Several operation holes 2041 are defined on the surface of the sealing plate 204 . The concrete cladding layer 202 wraps one side wall of the steel support frame 201 . There is a gap between the cover plate 204 and the concrete cladding layer 202 . The gap is filled with thermal insulation material.

The prefabricated interior wall standard module includes a steel support frame 201 embedded between two sealing plates 204 . The steel support frame 201 is a four-sided closed profile having an upper surface, a lower surface, a first end surface and a second end surface. The closed profile surrounds a semi-enclosed space S. The upper surface, the lower surface, the first end surface and the second end surface of the steel support frame 201 are provided with a number of through holes for connecting with the prefabricated floor standard module 3 and the beam-column support frame. The contact parts of the sealing plate 204 and the steel support frame 201 are connected by self-tapping screws. The semi-enclosed space S is filled with thermal insulation material.

The beam-column support frame includes vertically arranged steel columns 5 and steel beams 6 vertically connected to the steel columns 5 . The bottom of the steel column 5 is joined to the prefabricated foundation.

The prefabricated external wall standard modules are installed in the erected beam-column support frame. The prefabricated exterior wall standard modules are joined with steel columns 5 or steel beams 6 by bolts. The prefabricated floor slab standard module 3 is erected on the upper flange of the steel beam 6 . The prefabricated floor slab standard module 3 is assembled to form the base slab, floor slab or roof slab of the house. A threaded sleeve is arranged on the surface of the prefabricated foundation and the prefabricated floor slab. The prefabricated interior wall standard modules are arranged on the prefabricated floor slab standard modules 3 . The prefabricated interior wall standard modules are joined to the prefabricated floor standard modules 3 , steel columns 5 or steel beams 6 by bolts.

Example 5:

The main structure of this embodiment is the same as that of Embodiment 3 or 4, wherein the sealing plate 204 is a decorative plate. The decorative board is OSB board or gypsum board.

Example 6:

The main structure of this embodiment is the same as that of Embodiment 3 or 4, wherein the prefabricated floor standard module 3 is a reinforced concrete slab as a whole. The four corners of the prefabricated floor standard module 3 are provided with accommodating gaps at the intersections with the columns. The upper flange of the steel beam 6 is provided with a plurality of through holes along the length direction. The plate end of the prefabricated floor standard module 3 is placed on the upper flange of the steel beam 6 . A threaded sleeve is pre-embedded on the prefabricated floor standard module 3 at a position corresponding to the through hole of the upper flange of the steel beam 6 . The threaded rod of the fixing bolt passes through the through hole of the upper flange of the steel beam 6 and then is screwed into the threaded sleeve to fix the prefabricated floor standard module 3 on the upper flange of the steel beam 6 .

Example 7:

The main structure of this embodiment is the same as that of Embodiment 3 or 4, wherein the concrete cladding layer 202 is also provided with a reinforcing mesh sheet 203 .

Example 8:

Referring to FIG. 18 , the present embodiment discloses a detachable and prefabricated composite building whose plane projection is an L-shape. A detachable prefabricated composite building includes a main building body and a sub-building body. The beam-column support frame, prefabricated foundation standard module 1, prefabricated wall standard module 2, prefabricated floor standard module 3 and prefabricated roof truss standard module 4 are used for modular assembly.

The prefabricated roof truss standard module 4 is arranged on the top of the beam-column support frame. The prefabricated roof truss standard module 4 includes a first prefabricated roof truss standard module, a second prefabricated roof truss standard module and a third prefabricated roof truss standard module. The second prefabricated roof truss standard module and the third prefabricated roof truss standard module are used at the junction of the main building body and the auxiliary building body.

See Figures 19, 20, 21 and 22. The first prefabricated roof truss standard module includes a roof ridge member 401, two first roof trusses and a roof panel. The two first roof trusses are distributed on both sides of the roof ridge member 401 in an inverted V shape. The first roof truss includes two inclined roof trusses 402 and a plurality of purlins 403 disposed between the two inclined roof trusses 402 . The purlins 403 are arranged on the upper flanges of the roof truss inclined beams 402 . One end of the first roof frame is fixedly connected to the top of the steel column 5 , and the other end is fixedly connected to the roof ridge member 401 . One end of the roof truss inclined beam 402 is fixedly connected to the top of the steel column 5 , and the other end is fixedly connected to the roof ridge member 401 . The roof panels are arranged on purlins 403 .

The second prefabricated roof truss standard module includes a ridge member 401, a first roof truss, a second roof truss and a roof panel. The first roof truss and the second roof truss are respectively arranged on both sides of the ridge member 401 . The second roof truss includes two inclined roof trusses 402 , purlins 403 and extension rods 405 of the inclined roof trusses. The roof truss inclined beam extension rod 405 is arranged at the rear end of one of the roof truss inclined beams 402 . The purlins 403 are arranged between the two inclined roof trusses 402 and between the inclined roof beams 402 and the extending rods 405 of the inclined roof trusses. One end of the first roof frame is fixedly connected to the top of the steel column 5 , and the other end is fixedly connected to the roof ridge member 401 . One end of the second roof frame is fixedly connected to the top of the steel column 5 , and the other end is fixedly connected to the roof ridge member 401 . The roof panels are arranged on purlins 403 .

The third prefabricated roof truss standard module includes a roof ridge member 401, a first roof truss, a third roof truss and a roof panel. The first roof truss and the third roof truss are respectively arranged on both sides of the roof ridge member 401 . The third roof truss includes two roof truss inclined beams 402 and purlins 403 . The rear ends of the two roof truss inclined beams 402 are provided with roof truss inclined beam extension rods 405 . The tail ends of the two roof truss inclined beam extension rods 405 are joined together. The roof truss inclined beam extension rod 405 and the roof truss inclined beam 402 enclose an M-shaped structure. The purlins 403 are arranged on the M-shaped structure. One end of the first roof frame is fixedly connected to the top of the steel column 5 , and the other end is fixedly connected to the roof ridge member 401 . One end of the third roof frame is fixedly connected to the top of the steel column 5 , and the other end is fixedly connected to the roof ridge member 401 . The roof panels are arranged on purlins 403 .

The adjacent prefabricated roof truss standard modules 4 are connected by bolts to form a roof truss together.

Claims (10)

1. A detachable prefabricated composite building, characterized in that: comprising a prefabricated wall standard module (2), a prefabricated floor standard module (3) and a beam-column support frame; The prefabricated wall standard module (2) includes a prefabricated exterior wall standard module and a prefabricated interior wall standard module; the prefabricated interior wall standard module divides the interior of the building into several rooms; The prefabricated external wall standard module comprises the steel support frame (201), the concrete cladding layer (202) and the sealing plate (204); the steel support frame (201) has an upper surface, a lower surface and a first end surface and the four-sided closed profile of the second end face; the closed profile encloses a semi-enclosed space S; the upper surface, the lower surface, the first end face and the second end face of the steel support frame (201) are provided with a number of through holes; The steel support frame (201) is welded with a threaded sleeve for joining with the beam-column support frame at the position of the through hole; the threaded sleeve is located in the semi-enclosed space S; the steel support frame (201) is embedded in the Between the reinforced mesh sheet (203) and the sealing plate (204). The contact parts of the sealing plate (204) and the steel supporting frame (201) are connected by self-tapping screws; the concrete cladding layer (202) wraps one side wall of the steel supporting frame (201); the sealing plate (201) 204) and the concrete cladding layer (202) with a gap; the gap is filled with thermal insulation material; The prefabricated interior wall standard module includes a steel support frame (201) embedded between two sealing plates (204); the steel support frame (201) has an upper surface, a lower surface, a first end surface and a second The four-sided closed profiles of the end face; the closed profiles enclose a semi-enclosed space S; the upper surface, the lower surface, the first end face and the second end face of the steel support frame (201) are provided with several A through hole for joining the module (3) and the beam-column support frame; the contact part of the sealing plate (204) and the steel support frame (201) is connected by self-tapping screws; the semi-enclosed space S is filled with thermal insulation material ; The beam-column support frame includes vertically arranged steel columns (5) and steel beams (6) vertically connected to the steel columns (5); In a good beam-column support frame; the prefabricated floor standard module (3) combines the basic bottom plate, floor plate or roof plate of the house; the prefabricated interior wall standard module is arranged on the prefabricated floor standard module (3); the The prefabricated exterior wall standard modules are connected with the steel columns (5) or steel beams (6) by using bolts; the prefabricated interior wall standard modules are connected with the prefabricated floor standard modules (3), steel columns (5) or steel beams (6) by using bolts engage. 2. A detachable prefabricated composite building, characterized in that it comprises a prefabricated wall standard module (2), a prefabricated floor standard module (3) and a beam-column support frame; The prefabricated wall standard module (2) includes a prefabricated exterior wall standard module and a prefabricated interior wall standard module; the prefabricated interior wall standard module divides the interior of the building into several rooms; The prefabricated external wall standard module includes a steel support frame (201), a concrete cladding layer (202) and a sealing plate (204); the steel support frame (201) has an upper surface, a lower surface, a first end surface and a first end surface. Four-sided closed profiles with two end faces; the closed profiles enclose a semi-enclosed space S; the upper surface, the lower surface, the first end surface and the second end surface of the steel support frame (201) are provided with several 1) The through hole for joining the steel column (5) or the steel beam (6); the steel support frame (201) is embedded between the reinforcing mesh sheet (203) and the sealing plate (204); the sealing plate (201) 204) and the contact part of the steel support frame (201) are connected by self-tapping screws; a number of operation holes (2041) are opened on the plate surface of the sealing plate (204); the concrete cladding layer (202) wraps the steel a side wall of the support frame (201); a gap is formed between the sealing plate (204) and the concrete cladding layer (202); the gap is filled with thermal insulation material; The prefabricated interior wall standard module includes a steel support frame (201) embedded between two sealing plates (204); the steel support frame (201) has an upper surface, a lower surface, a first end surface and a second The four-sided closed profiles of the end face; the closed profiles enclose a semi-enclosed space S; the upper surface, the lower surface, the first end face and the second end face of the steel support frame (201) are provided with several A through hole for joining the module (3) and the beam-column support frame; the contact part of the sealing plate (204) and the steel support frame (201) is connected by self-tapping screws; the semi-enclosed space S is filled with thermal insulation material ; The beam-column support frame comprises a vertically arranged steel column (5) and a steel beam (6) vertically connected with the steel column (5); the bottom of the steel column (5) is joined to a prefabricated foundation; The prefabricated exterior wall standard module is installed in the erected beam-column support frame; the prefabricated exterior wall standard module is joined with a steel column (5) or a steel beam (6) by bolts; the prefabricated floor standard module (3) It is erected on the upper flange of the steel beam (6); the prefabricated floor standard module (3) is combined to form the base plate, floor plate or roof plate of the house; the prefabricated foundation and the prefabricated floor are arranged on the surface with threaded sleeves; all The prefabricated interior wall standard modules are arranged on the prefabricated floor standard modules (3); the prefabricated interior wall standard modules are joined with the prefabricated floor standard modules (3), steel columns (5) or steel beams (6) by bolts. 3. A detachable prefabricated composite building according to claim 1 or 2, characterized in that: the sealing plate (204) is a decorative plate. 4. A detachable prefabricated composite building according to claim 1 or 2, characterized in that: the prefabricated floor standard module (3) is a reinforced concrete slab as a whole; the four corners of the prefabricated floor standard module (3) An accommodating gap is provided at the intersection with the column; the upper flange of the steel beam (6) is provided with a number of through holes along the length direction; the plate end of the prefabricated floor standard module (3) is placed on the steel beam (6) ) on the upper flange; the prefabricated floor standard module (3) is pre-embedded with a threaded sleeve at the position corresponding to the through hole of the upper flange of the steel beam (6); the screw rod of the fixing bolt passes through the upper wing of the steel beam (6) The flange through hole is then screwed into the threaded sleeve, and the prefabricated floor standard module (3) is fixed on the upper flange of the steel beam (6). 5. A detachable prefabricated composite building according to claim 1 or 4, characterized in that: steel mesh sheets (203) are further arranged in the concrete cladding layer (202). 6. A detachable prefabricated composite building according to claim 1 or 2, characterized in that: further comprising a prefabricated roof truss standard module (4); the prefabricated roof truss standard module (4) is arranged on the top of the beam-column support frame The adjacent prefabricated roof truss standard modules (4) are connected by bolts to form a roof truss together. 7. A detachable prefabricated composite building according to claim 1, characterized in that: the steel support frames (201) of the prefabricated outer wall standard modules and the prefabricated inner wall standard modules are all made of channel steel to enclose a rectangular shape support frame; The channel steel has a web and a channel steel flange; the channel steel includes transverse channel steel I (2011), transverse channel steel II (2012), vertical channel steel I (2013) and vertical channel steel II (2014) ); several through holes are provided on the web plate surface of the transverse channel steel I (2011), transverse channel steel II (2012), vertical channel steel I (2013) and vertical channel steel II (2014); The transverse channel steel I (2011), transverse channel steel II (2012), vertical channel steel I (2013) and vertical channel steel II (2014) are welded with threaded sleeves at the position of the through hole of the web; The ends of transverse channel steel I (2011), transverse channel steel II (2012), vertical channel steel I (2013) and vertical channel steel II (2014) are all provided with grooves; the transverse channel steel I (2011) ) is opposite to the notch of the horizontal channel steel II (2012); the vertical channel steel I (2013) is opposite to the notch of the vertical channel steel II (2014); the upper surface of the horizontal channel steel I (2011) is opposite to the vertical channel steel I (2011) The tops of channel steel I (2013) and vertical channel steel II (2014) are flush with the bottom surface of horizontal channel steel II (2012) and vertical channel steel I (2013) and vertical channel steel II (2014). The bottom is flush; a plurality of wall vertical rods (205) are arranged in the semi-enclosed space S; the wall vertical rods (205) are cold-formed thin-walled C-shaped steel vertical rods; the wall vertical rods (205) It includes a web and a flange; at the opening of the wall vertical rod (205), the flange is bent and extended to extend the inner curl; the transverse channel steel I (2011) and the transverse channel steel II (2012) are respectively covered with At the top and bottom of the wall vertical rod (205); the upper end of the wall vertical rod (205) extends into the opening groove of the transverse channel steel I (2011); the lower end of the wall vertical rod (205) extends into to the inside of the opening groove of the transverse channel steel II (2012); the wall vertical rod (205) is fixedly connected with the transverse channel steel I (2011) and the transverse channel steel II (2012) by self-tapping screws; The steel beam (6) is an I-beam; the prefabricated external wall standard modules are joined with the flange of the steel beam (6); the bolts pass through the upper flange of the I-beam and the transverse channel steel II (2012) and then screw back. into the corresponding threaded sleeve above the web of the transverse channel II (2012); the bolts pass through the lower flange of the I-beam and the transverse channel I (2011) and then screw into the underside of the web of the transverse channel I (2011) in the corresponding threaded sleeve; The steel column (5) is an I-beam column; the prefabricated external wall standard module is connected to the flange of the steel column (5); the bolt passes through the flange of the I-beam column and the vertical channel steel I (2013) or vertical Screw it into the corresponding threaded sleeve to the back of the web of the channel steel II (2014). 8. A detachable prefabricated composite building according to claim 2, characterized in that: the steel support frame (201) adopts a channel steel to enclose a rectangular support frame; the channel steel has a web and a channel steel Flange; the channel steel includes transverse channel steel I (2011), transverse channel steel II (2012), vertical channel steel I (2013) and vertical channel steel II (2014); the transverse channel steel I (2011) ) is opposite to the notch of the horizontal channel steel II (2012); the vertical channel steel I (2013) is opposite to the notch of the vertical channel steel II (2014); the upper surface of the horizontal channel steel I (2011) is opposite to the vertical channel steel I (2011) The tops of channel steel I (2013) and vertical channel steel II (2014) are flush with the bottom surface of horizontal channel steel II (2012) and vertical channel steel I (2013) and vertical channel steel II (2014). The bottom is flush; the webs of the transverse channel steel I (2011), the transverse channel steel II (2012), the vertical channel steel I (2013) and the vertical channel steel II (2014) are all provided with a number of passages. hole; Several wall vertical rods (205) are arranged in the semi-enclosed space S; the wall vertical rods (205) are cold-formed thin-walled C-shaped steel vertical rods; the wall vertical rods (205) include webs and flange; at the opening of the wall vertical rod (205), the flange is bent and extended to extend the inner curl; the transverse channel steel I (2011) and the transverse channel steel II (2012) are respectively covered on the vertical wall of the wall body The top and bottom of the rod (205); the upper end of the wall vertical rod (205) extends into the opening groove of the transverse channel steel I (2011); the lower end of the wall vertical rod (205) extends into the transverse channel steel Inside the opening slot of II (2012); the wall vertical rod (205) is fixedly connected with the transverse channel steel I (2011) and the transverse channel steel II (2012) by self-tapping screws; The steel column (5) is an I-beam column; the prefabricated external wall standard modules are joined with the web of the steel column (5) through a T-shaped connector (207); the T-shaped connector (207) includes mutually perpendicular The connecting plate (2071) and the connecting plate (2072); the connecting plate (2071) is vertically welded with the web of the steel column (5); the connecting plate (2072) is connected to the vertical channel steel I (2013) or vertical Channel steel II (2014) is connected; through holes are arranged on the plate surface of the joint plate (2072); the joint plate (2072) faces away from the vertical channel steel I (2013) or the vertical channel steel II (2014). Internal thread sleeves are welded at the corresponding positions of the through holes on one side of the plate; the bolts pass through the through holes on the web of vertical channel steel I (2013) or vertical channel steel II (2014) and then screw into the T-shaped connection in the threaded sleeve of the piece (207); The steel beam (6) is a box-shaped steel beam; a through hole is provided on the board surface at the joint position of the box-shaped steel beam and the prefabricated external wall standard module; the inner cavity of the box-shaped steel beam is at the position of the through hole A threaded sleeve is pre-welded at the place; the bolts are screwed into the threaded sleeve after passing through the through holes on the web of transverse channel steel I (2011) or transverse channel steel II (2012). 9. A detachable prefabricated composite building according to claim 8, characterized in that: the foundation adopts different prefabricated foundation standard modules (1) to combine; The prefabricated basic standard module (1) includes a back-shaped module, a slot-shaped module and an L-shaped module; the back-shaped module has four foundation beams (101); the four foundation beams (101) are combined into a rectangular frame body Structure; the trough-shaped module has three foundation beams (101); the three foundation beams (101) are combined into a U-shaped structure; the L-shaped module has two foundation beams (101); two foundation beams (101) The prefabricated foundation standard module (1) divides the foundation into rectangular compartments connected one by one; each compartment is connected and fixed by a pair of tensile prestressed steel pipes (104); The upper surface of the foundation beam (101) is pre-embedded with connecting pieces (105) at the four corner positions of the compartment; the upper surface of the foundation beam (101) is pre-embedded with threaded sleeves at the four edge locations of the compartment; The connecting piece (105) includes a screw rod and a panel; a plurality of screws are welded on one side of the panel, and a plurality of L-shaped steel bars are welded on the other side of the panel; the panel and the L-shaped steel bars are embedded in the panel. In the foundation beam (101); the screw rod extends out of the upper surface of the foundation beam (101); The steel column (5) is connected with the foundation through the connecting piece (105); the bolt is screwed into the threaded sleeve of the foundation beam (101) after passing through the threaded hole on the web of the transverse channel steel II (2012). The detachable prefabricated composite building according to claim 8, characterized in that: the transverse channel steel II (2012) of the prefabricated external wall standard module is provided with an opening (20121).

Images