CN109779004B - Thermal insulation and energy saving prefabricated house and its assembly method - Google Patents

Abstract

The invention discloses a heat-insulating energy-saving prefabricated house and an assembling method thereof, and relates to the technical field of prefabricated houses, which comprises a building frame and a wallboard, wherein the building frame is formed by mutually connecting a plurality of building units, each building unit comprises a bearing column, a reinforcing plate, a fixing plate, a connecting plate and a fixing rod, a fixing hole is formed in each connecting plate, a square hole is formed in each connecting plate and is positioned on one side, facing the reinforcing plate, of each fixing hole, a locking strip is arranged in each square hole, a locking hole is formed in each fixing plate, the locking holes are arranged in an arc shape by taking the axis of each fixing shaft as the center of a circle, fixing shafts are fixedly arranged on two opposite inner walls of each square hole, a limiting groove is formed in each side wall of each locking strip, the bearing columns are fixedly connected with bearing beams, the bearing beams are mutually connected through a top plate, and a die; has good structural strength, high firmness and good effects of wind prevention, rain prevention, heat insulation and heat preservation.

Description

Thermal insulation and energy saving prefabricated house and its assembly method

technical field

The present invention relates to the technical field of prefabricated houses, and more particularly, to a heat preservation and energy saving prefabricated house and an assembly method thereof.

Background technique

Prefabricated houses are built by industrialized production methods. Part or all of the components of the house are prefabricated in the factory, then transported to the construction site, and the components are assembled through reliable connections. Prefabricated houses are built because of their The characteristics of convenient assembly and disassembly, easy movement and transportation are more and more used in many fields, especially some engineering construction sites. Due to the need to transfer places frequently, most of these places use prefabricated houses for short-term use. people live.

However, most of the existing prefabricated houses have low connection strength, poor wind and rain resistance, and poor thermal insulation effect. Especially in some areas with harsh climate, the problems are more prominent, which brings great harm to the people living there. a great inconvenience.

SUMMARY OF THE INVENTION

Aiming at the deficiencies of the prior art, one of the objectives of the present invention is to provide a thermal insulation and energy-saving prefabricated house, which has good structural strength and high firmness, and has good effects of windproof, rainproof, heat insulation and heat preservation.

For achieving the above object, the present invention provides the following technical solutions:

A thermal insulation and energy-saving prefabricated house, comprising a building frame and wall panels, the building frame is formed by interconnecting a plurality of building units, the building units include a load-bearing column, a reinforcing plate, and fixedly arranged on both sides of the bearing column. a fixing plate, a connecting plate fixedly arranged on both sides of the reinforcing plate, and a fixing rod arranged between the fixing plate and the connecting plate; a fixing hole for the fixing rod to pass through is opened on the connecting plate; A square hole is provided, and the square hole is located on the side of the fixing hole facing the reinforcing plate, a locking bar is arranged in the square hole, and a locking hole for the locking bar to pass through is opened on the fixing plate. The locking hole is arranged in an arc shape with the axis of the fixed shaft as the center of the circle, the fixed shaft is fixedly arranged on the two opposite inner walls of the square hole, and the side wall of the locking strip is provided with a fixed shaft for clamping and along the square hole A limit slot that moves in the length direction, the wall panels include an inner wall insulation board and an outer wall insulation board that are respectively arranged on both sides of the reinforcement board, the load-bearing columns are fixedly connected with load-bearing beams, and a plurality of the load-bearing beams are far away from each other. The connected ends of the load-bearing columns are converged and connected to each other through a top plate, and a formwork top plate is arranged between the adjacent load-bearing beams.

In this way, according to the size of the prefabricated house, first, the load-bearing column in the building unit is fixed on the carrier; then, the fixing rod is inserted into the fixing hole, so that one end of the reinforcing plate is rotated on the fixing plate through the connecting plate , adjust the included angle of the reinforcing plate between adjacent building units, and by sliding the locking strip on the fixed shaft and inserting it into the corresponding square hole, the mutual fixation between the reinforcing plate and the load-bearing column is realized, so that more A ring-shaped building frame of different sizes is formed between each building unit; secondly, the inner wall insulation board and the outer wall insulation board are respectively arranged on both sides of the reinforcement board and fixed on the adjacent load-bearing columns to form a ring-shaped sealed wall; finally, The formwork roof is installed between adjacent load-bearing beams, and the formwork roof is quickly fixed on the load-bearing beams to form a pointed roof of thermal insulation and energy-saving prefabricated houses; The top plate has good structural strength and high firmness, and has good effects of windproof, rainproof, heat insulation and heat preservation.

Further settings: an installation groove is opened on the load-bearing beam, a spring is fixedly connected to the groove bottom of the installation groove, a wedge-shaped block is connected to the end of the spring away from the connection with the installation groove, and two symmetrical sides of the top plate of the mold are connected. The sides are provided with insertion grooves matched with the wedge-shaped blocks, the wedge-shaped blocks slide in the installation grooves through springs, and the inclined surfaces of the wedge-shaped blocks are arranged outward.

In this way, when the top plate of the mold is installed on the load-bearing beam, the top plate of the mold first collides with the wedge-shaped block, and pushes the wedge-shaped block to slide into the insertion groove, and the spring is compressed. When the top plate of the mold is completely installed on the load-bearing beam, the wedge-shaped block is inserted. It is connected in the insertion slot, so that the top plate of the mold is installed between the two load-bearing beams, and the top plate of the mold achieves the purpose of installation and fixation, and forms the roof of the heat preservation and energy saving assembled house.

It is further provided that a plurality of the installation grooves are arranged equidistantly along the length direction of the load-bearing beam.

With this arrangement, the plurality of wedge-shaped blocks are inserted into the installation grooves, so as to improve the connection stability between the formwork roof and the load-bearing beam, thereby improving the structural strength of the heat preservation and energy saving prefabricated house.

Further arrangement: a cover plate is arranged between the load-bearing columns in the adjacent construction units, an arc-shaped arc-shaped clamping slot (71) is arranged on the cover plate, and the top plate of the mold is away from one end connected with the top plate. connected to the arc-shaped slot.

In this way, the cover plate is used to cover and seal the reinforcing plate installed on the wall plate. The stability of the heat preservation and energy saving prefabricated house is improved, and the structural strength of the heat preservation and energy saving prefabricated house is improved.

Further setting: an extension plate is integrally and fixedly connected to the side of the load-bearing beam, the bottom surface of the extension plate is flush with the bottom surface of the load-bearing beam, and the thickness is smaller than the thickness of the load-bearing beam, on the two symmetrical sides of the mold top plate The side is integrally fixedly connected with a hanging ear, and the extension plate is connected with the hanging ear.

With this arrangement, the contact area between the load-bearing beam and the formwork top plate is increased by connecting the extension plate and the hanging lugs, thereby improving the structural strength of the connection between the load-bearing beam and the formwork top plate.

It is further provided that: a clamping slot is provided on the load-bearing column along its length direction, a mounting strip matching with the clamping slot is opened on the wall panel, and the wall panel is slidably clamped in the clamping slot Inside.

In this way, when the wall panel is installed on the load-bearing column, by clamping the installation strip in the clamping groove, the wall panel is placed on the load-bearing column to achieve the limit function, and the connection between the wall panel installed on the load-bearing column is improved. stability.

It is further provided that a plurality of the fixing plates are arranged at equal distances along the length direction of the load-bearing column, and a plurality of connecting plates are arranged on the reinforcing plate one-to-one corresponding to the fixing plates.

With this arrangement, through the mutual cooperation of multiple sets of fixing plates and connecting plates, the force uniformity between the reinforcing plate and the load-bearing column is improved, thereby improving the stability of the installation between the reinforcing plate and the load-bearing column.

Further arrangement: a reinforcing rib is arranged between the fixed plate and the load-bearing column.

This arrangement improves the structural strength of the fixing plate installed on the bearing column.

Further arrangement: the wall panel comprises a base layer, a sound insulation layer, a thermal insulation layer, a flame retardant layer, a decorative layer, a waterproof layer and an anti-aging layer which are sequentially compounded.

This arrangement enables the wallboard to have good structural strength, heat preservation, flame retardancy, waterproofness, anti-aging properties and aesthetics, thereby improving the multifunctionality of the wallboard.

Another object of the present invention is to provide a method for assembling a thermal insulation and energy-saving prefabricated house, which can improve the rapid assembly of the thermal insulation and energy-saving prefabricated house, and has the effects of good strength and high firmness.

An assembly method for a thermal insulation and energy-saving prefabricated house, comprising the following steps:

S1. Assembling the building frame: Install the connecting plate in the building unit on the fixing plate, and connect it through the rotation of the fixing rod. According to the area of the prefabricated house, adjust the angle between the reinforcing plates between the adjacent building units, and pass Insert the locking strip into the square hole, fix the load-bearing beam on the carrier, and then build the load-bearing beam on the load-bearing column, so that the building units are connected in sequence to form a building frame; S2, wall panel installation: the inner wall insulation board and The external wall insulation boards are installed on both sides of the reinforcement board respectively, and are fixedly connected with the load-bearing columns to form a ring-shaped sealed prefabricated house; S3. Installation of the formwork roof: Install the formwork roof between the adjacent load-bearing beams to form a prefabricated house. The roof of the house, complete the basic construction of the prefabricated house.

Set up like this,

By adopting the above-mentioned technical scheme, the present invention has the following advantages compared with the prior art:

1. By adjusting the included angle of the reinforcing plate between adjacent building units, and by sliding the locking strip on the fixed shaft and inserting it into the corresponding square hole, the mutual fixation between the reinforcing plate and the load-bearing column is realized. To form a ring-shaped building frame of different sizes among its multiple building units;

2. The wedge-shaped block is inserted into the insertion slot, so that the top plate of the mold is installed between the two load-bearing beams, and the top plate of the mold can achieve the purpose of installation and fixation, and form the roof of the thermal insulation and energy-saving prefabricated house;

3. By connecting the extension plate and the hanging lugs to each other, the contact area between the load-bearing beam and the formwork top plate is increased, thereby improving the structural strength of the connection between the load-bearing beam and the formwork top plate.

4. The wall panel includes the base layer, the sound insulation layer, the thermal insulation layer, the flame retardant layer, the decorative layer, the waterproof layer and the anti-aging layer which are sequentially compounded, so that the wall panel has good structural strength, heat preservation, flame retardancy and waterproof. The purpose of improving the versatility of wall panels is to improve the performance, aging resistance and aesthetics.

Description of drawings

Fig. 1 is the structural schematic diagram when the heat preservation and energy saving prefabricated house is closed;

Fig. 2 is the state diagram when the wall panel and the formwork roof panel of the heat preservation and energy saving prefabricated house are partially disassembled;

Fig. 3 is the structural schematic diagram when one of the building units in the heat preservation and energy saving prefabricated house is opened;

Fig. 4 is the partial structure schematic diagram of building unit;

Fig. 5 is the enlarged view of A place in Fig. 4;

FIG. 6 is a schematic diagram of a partial connection structure between the load-bearing column and the reinforcing plate;

Fig. 7 is the sectional view of the wedge-shaped block when the rain bearing beam of the formwork roof is installed;

Fig. 8 is an enlarged view at B in Fig. 7;

Figure 9 is a cross-sectional view of an interior thermal insulation wall panel or an external thermal insulation wall panel.

In the figure: 1. Mold top plate; 11. Hanging ears; 12. Insertion slot; 2. Wall panel; 21. Inner wall insulation board; 22. External wall insulation board; Sound insulation layer; 26, thermal insulation layer; 27, flame retardant layer; 28, decorative layer; 29, waterproof layer; 20, anti-aging layer; 3, building frame; 31, building unit; 32, load-bearing column; 321, installation strip; 33, reinforcement plate; 34, fixed plate; 341, locking hole; 35, connecting plate; 351, fixing hole; 352, square hole; 353, fixing shaft; 354, placing slot; 36, fixing rod; 361, fixing slot; 37, locking strip; 371, limit slot; 38, reinforcing rib; 4, bearing beam; 41, extension plate; 42, installation slot; 43, spring; 44, wedge block; 5, top plate; 7, cover plate; 71. Arc-shaped card slot.

Detailed ways

The heat preservation and energy saving prefabricated house and the assembly method thereof will be further described with reference to the accompanying drawings.

Example 1: A thermal insulation and energy-saving prefabricated house, as shown in Figures 1 and 2, includes a building frame 3 interconnected by a plurality of building units 31, and wall panels 2 and formwork roof panels respectively arranged on the building frame 3 1.

As shown in FIGS. 4 , 5 and 6 , the building unit 31 includes a load-bearing column 32 , a reinforcing plate 33 , a fixing plate 34 fixed on both sides of the load-bearing column 32 , and fixed on both sides of the reinforcing plate 33 The connecting plate 35 and the fixing rod 36 arranged between the fixing plate 34 and the connecting plate 35; the connecting plate 35 is provided with a fixing hole 351 for the fixing rod 36 to pass through, and the connecting plate 35 is provided with a square hole 352, and The square hole 352 is located on the side of the fixing hole 351 facing the reinforcing plate 33; a locking bar 37 is arranged in the square hole 352, a locking hole 341 for the locking bar 37 to pass through is opened on the fixing plate 34, and a plurality of locking holes 341 The fixed shaft 353 is arranged in an arc shape with the axis of the fixed shaft 353 as the center of the circle. The fixed shaft 353 is fixedly arranged on the two opposite inner walls of the square hole 352. Limit slot 371 that moves in the longitudinal direction.

As shown in FIG. 4 and FIG. 5 , in order to improve the connection stability between the reinforcing plate 33 and the bearing column 32 , a plurality of fixing plates 34 are equally spaced along the length direction of the bearing column 32 , and on the reinforcing plate 33 A plurality of connecting plates 35 are provided in one-to-one correspondence with the fixing plate 34 ; meanwhile, in order to improve the structural strength between the fixing plate 34 and the bearing column 32 , reinforcing ribs 38 are arranged between the fixing plate 34 and the bearing column 32 .

As shown in Figures 3 and 4, according to the size of the prefabricated house, adjust the included angle of the reinforcing plates 33 between the adjacent building units 31, the angle range is 0-90°, and then insert the locking strip 37 into the In the square hole 352 , the function of fixing between adjacent building units 31 is realized, so that the building units 31 are connected in sequence to form the building frame 3 .

As shown in FIGS. 3 , 5 and 6 , during the period, according to the layout requirements, a fixing groove 361 for the locking bar 37 to be inserted into is opened on the end face of the fixing rod 36 of one of the construction units 31 , and a fixing groove 361 is opened on the connecting plate 35 . A placement slot 354 for placing the locking bar 37, and the two ends of the placement slot 354 are arranged in communication with the fixing hole 351 and the square hole 352 respectively; One end of the frame is rotatably arranged on the fixing plate 34 through the connecting plate 35, so that a through opening for easy entry and exit is formed on the building frame 3 which is annularly sealed.

As shown in FIG. 4 , the wall panel 2 includes an inner wall insulation board 21 and an outer wall insulation board 22 respectively arranged on both sides of the reinforcing board 33; The two side walls of the wall thermal insulation board 21 and the external wall thermal insulation board 22 are provided with mounting strips 321 which are matched with the snap grooves 23 . And it is clamped on the clamping groove 23 on the adjacent bearing column 32 to achieve the purpose of fixed installation. In order to improve the thermal insulation or sound insulation effect of the wall panel 2 , thermal insulation cotton or sound insulation cotton is filled between the inner wall thermal insulation board 21 and the reinforcement board 33 , and the outer wall insulation board 22 and the reinforcement board 33 .

As shown in FIG. 1 and FIG. 2 , the load-bearing beams 4 are fixedly connected to the load-bearing columns 32 , and the plurality of load-bearing beams 4 are converged away from the end connected to the load-bearing columns 32 and are connected to each other through a top plate 5 . A formwork top plate 1 is arranged between adjacent load-bearing beams 4 .

As shown in FIG. 1 and FIG. 2 , a cover plate 7 is provided between the load-bearing columns 32 in the adjacent building units 31 , so that the end of the cover plate 7 faces between the reinforcing plate 33 on the building unit 31 and the wall plate 2 . Sealing; an arc-shaped slot 71 is provided on the other end face of the cover plate 7 , and the end of the top plate 1 away from the connection with the top plate 5 is clipped into the arc-shaped slot 71 .

2 and 7, an extension plate 41 is integrally connected to the side of the load-bearing beam 4, and the bottom surface of the extension plate 41 is flush with the bottom surface of the load-bearing beam 4, and the thickness is smaller than that of the load-bearing beam 4; Two symmetrical sides of the top plate 1 are integrally connected with the hanging ears 11 , and the extension plate 41 is connected with the hanging ears 11 , so that the formwork top plate 1 can be stably placed on the extension plate 41 of the adjacent bearing beam 4 through the two side hanging ears 11 .

As shown in FIG. 7 and FIG. 8 , installation grooves 42 are provided on the load-bearing beam 4 , and a plurality of installation grooves 42 are arranged at equal distances along the length direction of the load-bearing beam 4 ; at the same time, the bottoms of the installation grooves 42 are fixedly connected There is a spring 43, and the end of the spring 43 away from the connection with the installation groove 42 is connected with a wedge block 44, and the inclined surface of the wedge block 44 is arranged toward the outside of the building frame 3; on both sides of the top plate 1, the hanging lugs 11 are provided with a wedge block 44. The wedge-shaped block 44 slides into the installation groove 42 through the spring 43; when the die top plate 1 is installed on the adjacent load-bearing beam 4, its wedge-shaped block is clamped in the plug-in slot 44. In the groove 12, the mutual fixation between the formwork top plate 1 and the load-bearing beam 4 is realized.

As shown in FIG. 9 , the inner wall insulation board 21 , the outer wall insulation board 22 and the formwork top board 1 adopt the same layer structure, that is, the base layer 24 , the sound insulation layer 25 , the insulation layer 26 , and the flame retardant layer 27 are sequentially compounded. , a decorative layer 28, a waterproof layer 29 and an anti-aging layer 20 arranged on the outer surface.

Working principle: According to the size of the prefabricated house, firstly fix the load-bearing column 32 in the building unit 31 on the carrier, then make one end of the reinforcing plate 33 rotate on the fixing plate 34 through the connecting plate 35 to adjust the adjacent building units 31, and by inserting the locking strips 37 into the corresponding square holes 352, a ring-shaped building frame 3 of different sizes is formed between the plurality of building units 31; secondly, the inner wall is insulated The board 21 and the outer wall insulation board 22 are respectively arranged on both sides of the reinforcement board 33, and are fixed on the adjacent bearing columns 32 to form a ring-shaped sealed wall; finally, the formwork top plate 1 is installed between the adjacent bearing beams 4, and The wedge-shaped block 44 is clamped in the insertion slot 12, so that the formwork roof 1 can be quickly fixed and installed on the load-bearing beam 4 to form the roof of the heat-insulating and energy-saving prefabricated house; The plate 22 and the mold top plate 1 have good structural strength and high firmness, and have good effects of windproof, rainproof, heat insulation and heat preservation.

Embodiment 2: an assembly method for a thermal insulation and energy-saving prefabricated house, comprising the following steps:

S1. Assembling the building frame 3: The connecting plate 35 in the building unit 31 is installed on the fixing plate 34, and is connected by rotation through the fixing rod 36, and the reinforcing plate between the adjacent building units 31 is adjusted according to the area of the prefabricated house. 33, and by inserting the locking bar 37 into the square hole 352, the load-bearing beam 4 is fixed on the load-bearing column 32, and then the load-bearing beam 4 is built on the load-bearing column 32, so that the building units 31 are connected in sequence to form a building. Frame 3.

S2. Installation of wall panel 2: The inner wall insulation board 21 and the outer wall insulation board 22 are respectively installed on both sides of the reinforcement board 33, and are fixedly connected with the bearing column 32 to form a ring-shaped sealed prefabricated house.

S3. Installation of the formwork roof 1: Install the formwork roof 1 between the adjacent load-bearing beams 4 to form the roof of the prefabricated house, and complete the basic construction of the prefabricated house.

The above are only the preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims (9)

1. The utility model provides an energy-conserving prefabricated house keeps warm, includes building frame (3) and wallboard (2), its characterized in that: the building frame (3) is formed by mutually connecting a plurality of building units (31), each building unit (31) comprises a bearing column (32), a reinforcing plate (33), fixing plates (34) fixedly arranged on two side edges of the bearing column (32), connecting plates (35) fixedly arranged on two sides of the reinforcing plate (33) and fixing rods (36) arranged between the fixing plates (34) and the connecting plates (35), fixing holes (351) for the fixing rods (36) to penetrate through are formed in the connecting plates (35), square holes (352) are formed in the connecting plates (35), the square holes (352) are located on one sides, facing the reinforcing plates (33), of the fixing holes (351), locking strips (37) are arranged in the square holes (352), locking holes (341) for the locking strips (37) to penetrate through are formed in the fixing plates (34), and the locking holes (341) are arranged in an arc shape by taking the axis of the fixing shafts (353) as the circle center, fixing shafts (353) are fixedly arranged on two opposite inner walls of the square hole (352), limiting grooves (371) for clamping the fixing shafts (353) and moving along the length direction of the square hole (352) are formed in the side wall of the locking strip (37), the wallboard (2) comprises inner wall heat-insulation plates (21) and outer wall heat-insulation plates (22) which are respectively arranged on two sides of a reinforcing plate (33), load-bearing beams (4) are fixedly connected with load-bearing columns (32), one ends of the load-bearing beams (4) far away from the ends connected with the load-bearing columns (32) are converged and connected with each other through a top plate (5), and a die top plate (1) is arranged between every two adjacent load-bearing beams (4); seted up mounting groove (42) on spandrel girder (4) the tank bottom fixedly connected with spring (43) of mounting groove (42), spring (43) are kept away from the one end of being connected with mounting groove (42) and are connected with wedge (44) inserting groove (12) with wedge (44) matched with are all seted up to the bilateral symmetry side of roof board (1), wedge (44) slide in mounting groove (42) through spring (43), and the inclined plane of wedge (44) arranges outwards.

2. The heat-insulating energy-saving prefabricated house according to claim 1, wherein: the mounting grooves (42) are arranged in a plurality of equidistance along the length direction of the bearing beam (4).

3. The heat-insulating energy-saving prefabricated house according to any one of claims 1-2, wherein: a cover plate (7) is arranged between adjacent bearing columns (32) in the building units (31), an arc-shaped clamping groove (71) is formed in the cover plate (7), and one end, far away from the top plate (5), of the mold top plate (1) is clamped in the arc-shaped clamping groove (71).

4. The heat-insulating energy-saving prefabricated house according to any one of claims 1-2, wherein: integrative fixedly connected with extension board (41) in side of spandrel girder (4), the bottom surface parallel and level setting of the bottom surface of extension board (41) and spandrel girder (4), and thickness are less than the thickness of spandrel girder (4) the integrative fixedly connected with hangers (11) in two symmetrical sides of roof board (1), extension board (41) are connected with hangers (11).

5. The heat-insulating energy-saving prefabricated house according to claim 1, wherein: the bearing column (32) has been seted up joint groove (23) along its length direction set up on wallboard (2) with joint groove (23) matched with mounting bar (321), wallboard (2) slip joint in joint groove (23).

6. The heat-insulating energy-saving prefabricated house according to claim 1, wherein: the bearing column (32) is provided with a plurality of fixing plates (34) at equal intervals along the length direction of the bearing column, and a plurality of connecting plates (35) are arranged on the reinforcing plate (33) in a one-to-one correspondence with the fixing plates (34).

7. The heat-insulating energy-saving prefabricated house according to claim 1, wherein: and a reinforcing rib (38) is arranged between the fixing plate (34) and the bearing column (32).

8. The heat-insulating energy-saving prefabricated house according to claim 1, wherein: the wallboard (2) comprises a base layer (24), a sound insulation layer (25), a heat preservation layer (26), a flame retardant layer (27), a decoration layer (28), a waterproof layer (29) and an anti-aging layer (20) which are sequentially compounded.

9. An assembly method of a heat-insulation energy-saving assembled house is characterized by comprising the following steps:

s1, assembling a building frame: mounting connecting plates (35) in building units (31) on a fixing plate (34) and rotatably connecting the connecting plates through fixing rods (36), adjusting included angles of reinforcing plates (33) between adjacent building units (31) according to the area of an assembly type house, inserting locking strips (37) into square holes (352), fixing bearing beams (4) on carriers, and then building the bearing beams (4) on bearing columns (32) to enable the building units (31) to be sequentially connected to form a building frame (3);

s2, wallboard installation: respectively installing an inner wall insulation board (21) and an outer wall insulation board (22) on two sides of a reinforcing plate (33) and fixedly connecting the inner wall insulation board and the outer wall insulation board with bearing columns (32) to form an annular sealed prefabricated house;

s3, mounting a die top plate: and (3) installing the die top plate (1) between the adjacent bearing beams (4) to form the roof of the prefabricated building, thereby finishing the foundation building of the prefabricated building.

Images