CN111894199B - Prefabricated sandwich heat-insulation composite wallboard and construction method - Google Patents
Prefabricated sandwich heat-insulation composite wallboard and construction method Download PDFInfo
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- CN111894199B CN111894199B CN202010741726.6A CN202010741726A CN111894199B CN 111894199 B CN111894199 B CN 111894199B CN 202010741726 A CN202010741726 A CN 202010741726A CN 111894199 B CN111894199 B CN 111894199B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
- E04C2/46—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose specially adapted for making walls
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
Abstract
The invention discloses a prefabricated sandwich heat-insulation superposed wallboard and a construction method, and is characterized in that: the heat-insulation wallboard comprises a heat-insulation wallboard tightly attached to a base wall, a screw rod and a fastening component, wherein the screw rod and the fastening component are used for fastening the heat-insulation wallboard and the base wall; the construction method comprises three steps of prefabricating the heat-insulating wall board, constructing sequence and filling, wherein the outer side surface of the heat-insulating wall board body forms a closed whole, the heat-insulating efficiency is effectively improved, and the heat bridge effect of a building is also effectively solved.
Description
Technical Field
The invention relates to a heat-insulating wall board in the building industry, in particular to a prefabricated sandwich heat-insulating superposed wall board and a construction method.
Background
The self heat insulation coefficient of the concrete is low, and a pure concrete wall body cannot meet the requirements in the external wall heat insulation engineering. Therefore, various external heat insulation technologies in various forms appear, wherein various external heat insulation designs and internal heat insulation designs which are simple and convenient to construct are generally applied, and sandwich heat insulation is less applied due to complex procedures. However, in practical application, the inner heat preservation effect is poor, and the outer heat preservation is easy to fall off or damage, so that the heat preservation layer of the sandwich heat preservation has lasting effect and is not easy to damage and is paid attention again.
The sandwich wall with better effect can be formed by the construction process of adding heat-insulating materials into the double-layer brick wall in the northeast region. But the cost is high, and the manufacturing cost is continuously improved along with the deep policy of forbidding clay bricks in China. And fewer other sandwich walls are applied nationwide, and only the double-sided color steel sandwich boards and the steel wire mesh frame sandwich boards adopted by part of steel structure buildings are used. But because the building heat insulation plate can not bear load and has a small design and application range, the building heat insulation plate is difficult to play roles in increasing the heat insulation effect of buildings and reducing energy waste in a large area nationwide. Therefore, it is necessary to invent a heat-insulating wall technology which can be generally applied to various projects all over the country.
The heat insulation coefficient of the building wall body is not only determined by the thickness, but also plays a key role in material and structural design and has reasonable structural design. Small concrete composite blocks are also published, but because of the complicated process, the structure system to be questioned and the heat preservation effect, no great popularization activity is seen. Therefore, in many modern new buildings, the problems of huge energy waste and poor living environment exist objectively and generally.
Disclosure of Invention
The invention mainly aims to provide a scheme of a prefabricated sandwich heat-insulation laminated wallboard and a construction method aiming at the problems.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a construction method of a prefabricated sandwich heat-insulating laminated wall panel comprises the heat-insulating wall panel tightly attached to a base wall body, a screw and a fastening component for fastening the heat-insulating wall board and the base wall body, wherein two sides of the heat-insulating wall board in the vertical direction are provided with heat-insulating wall board grooves, a plurality of connecting plates which exceed the heat-insulating wall board body are arranged in the horizontal direction of the heat-insulating wall board, the connecting plates are inserted into the adjacent heat-insulating wall board grooves, and the outer sides of the adjacent heat-insulating wall boards can be connected in a seamless way, the heat-insulating wall plate groove is internally provided with fastening components with the number matched with that of the connecting plates, the head part of the screw is provided with a screw head part, the screw rods, the head parts of the screw rods are matched with the fastening parts, the base wall body is provided with a corresponding number of screw rods, the connecting plate is provided with an L-shaped rod for driving the fastening part to lock, and the connecting plate is provided with a connecting plate hole for the L-shaped rod to penetrate through.
The fastening part is fixed on the connecting plate, and the fastening part can also be fixed on the side wall of the heat-preservation wallboard groove or can be fixed on the connecting plate and the heat-preservation wallboard groove simultaneously.
The fastening part comprises a fastening cap, a fastening bottom plate and a side plate block, the bottom surface of the fastening bottom plate is attached to the side wall of the heat-insulation wallboard groove, the fastening bottom plate is provided with the rotatable fastening cap, and the side plate block is located right above the connecting plate hole.
Be equipped with U type groove on the side plate piece, the locking cap includes tighrening ring and fixed block, two the tighrening ring sets up in opposite directions with one heart, two be equipped with the ring channel that is used for the screw rod to pass through between the tighrening ring, two be equipped with the fastening opening that is used for the screw rod head to pass through between the tighrening ring, the fixed block is used for fixed two the position of tighrening ring, just be connected with the annular piece near the one end of side plate piece in the middle of the fixed block, the annular piece can insert in the U type groove, one of them the tighrening ring is rotatably fixed fastening bottom plate on.
The fastening bottom plate is provided with a bottom plate sliding groove, the bottom plate sliding groove is used for rotating the fixing block, one end, close to the side plate block, of the bottom plate sliding groove is provided with a convex point used for fixing the position of the locking cap, and the locking cap does not rotate when not used.
The semicircle center in U type groove coincides with the center in connecting plate hole, U type groove and connecting plate hole are passed to L type pole, L type pole bottom is equipped with the horizontal pole, the horizontal pole welding is on the screw head of wall body basic unit.
Be equipped with two connection plate holes that all insert L shaped bar on the connecting plate, two connection plate hole can prevent that two adjacent heat preservation wallboards from forming articulated relation, improves the stability when whole heat preservation wallboard receives external force.
The assembling method comprises two steps of pre-positioning and assembling, wherein the pre-positioning comprises the following steps:
fixing a fastening part on a connecting plate of a heat-insulation wallboard, ensuring that the center of a semicircle of a U-shaped groove is superposed with the center of a hole of the connecting plate, measuring the sizes of the relative positions of the heat-insulation wallboard, the connecting plate and the fastening part, wherein the size of the relative position is used for fixing the position of a screw on a base wall body, the distance from the head of the screw to the base wall body is the same as the distance from the center of a fastening cap to the contact side of the heat-insulation wallboard and the base wall body, and rotating the fastening cap to enable the bottom of a fixed block to be tightly matched with a convex point of a sliding chute of a bottom plate, so that a fastening opening and the base wall body can always keep a vertical state when the heat-insulation wall body is jointed with the base wall body;
the assembly comprises the following steps:
aim at screw head and fastening opening earlier, then move heat preservation wallboard toward basic unit's wall body, the screw head gets into the fastening opening, it is unmovable to keep heat preservation wallboard, then insert L type pole from the bottom in heat preservation wallboard groove, L type pole passes U type groove and connecting plate hole until heat preservation wallboard top all the time, then the horizontal pole of rotatory L type pole bottom for the horizontal pole contacts with the screw head on the basic unit's wall body, then weld screw head and horizontal pole, all U type grooves and connecting plate hole in the heat preservation wallboard groove all insert L type pole.
Compared with the prior art, the invention has the advantages that:
1. because the heat preservation wallboard receives decurrent power under the effect of gravity, and the opening of fastening cap is down, and the screw rod head can not deviate from, has guaranteed the stability of heat preservation wallboard.
2. The U-shaped groove and the connecting plate hole are concentric, so that transverse shearing force applied to the L-shaped rod is effectively released, and the service life of the L-shaped rod is prolonged.
3. The outer side surface of the heat-insulation wall board body forms a closed whole, the heat-insulation efficiency is effectively improved, and the heat bridge effect of a building is effectively solved.
Drawings
Figure 1 is a cross-sectional view of an insulated wall panel when unset.
Figure 2 is a cross-sectional view of the insulated wall panel when secured.
Fig. 3 is a sectional view taken along line a-a of fig. 2.
Fig. 4 is a sectional view taken along line B-B of fig. 2.
Fig. 5 is a perspective view of the fastening member.
Fig. 6 is a perspective view of the fastening member from a different perspective.
Fig. 7 is a cross-sectional view of the fastening member in a fastened state.
Fig. 8 is a cross-sectional view of the fastening member in a state to be fastened.
Figure 9 is a three-dimensional view of the initial insulated wall panel of example two.
Figure 10 is a three-dimensional view of the low-rise thermal insulating wall panel of the second embodiment.
Figure 11 is a three-dimensional view of the high-rise thermal insulating wall panel of the second embodiment.
Figure 12 is a three-dimensional view of the assembled insulated wall panels a and B of the second embodiment.
FIG. 13 is a view of the whole heat-insulating wallboard after completion of the construction according to the second embodiment.
The names of the various reference numbers are: a base layer wall body 1; a screw 11; a screw head 12; a heat-insulating wall board 2; a thermal insulation wallboard groove 21; a connecting plate 22; connection plate holes 221; a protective layer 3; a finishing layer 4; an L-shaped rod 5; a cross bar 51; a fastening member 6; a fastening cap 60; a fastening base plate 61; a fastening ring 62; a fixed block 63; the ring blocks 631; a side panel block 64; a U-shaped groove 641; the fastening opening 65; an annular groove 66; a bottom plate chute 67; the bumps 671; a heat preservation sealing layer 7; a heat-insulating sealing filler layer 71; cutting strips 8 of the thermal insulation wallboard; 2 a-heat preservation wallboard A; 2B-thermal insulation wallboard B.
Detailed Description
The following description is presented to disclose the invention in order to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
The first embodiment of the invention: a prefabricated sandwich heat-insulating laminated wallboard comprises a heat-insulating wallboard 2 tightly attached to a base wall body 1, wherein a protective layer 3 and a finish coat 4 are sequentially fixed on one side, away from the base wall body 1, of the heat-insulating wallboard 2, screw rods 11 and fastening components 6 are used for fastening the heat-insulating wallboard and the base wall body, heat-insulating wallboard grooves 21 are formed in two side edges of the heat-insulating wallboard 2 in the vertical direction, a plurality of connecting plates 22 exceeding the body of the heat-insulating wallboard 2 are arranged in the horizontal direction of the heat-insulating wallboard 2, the connecting plates 22 are inserted into the adjacent heat-insulating wallboard grooves 21, the outer sides of the adjacent heat-insulating wallboards 2 can be connected in a seamless mode, the fastening components 6 matched with the connecting plates 22 in number are arranged in the heat-insulating wallboard grooves 21, screw rod heads 12 are arranged at the heads of the screw rods 11, the screw rods and the screw rod heads 12 are matched with the fastening components 6, and the screw rods 11 in corresponding number are arranged on the base wall body, the connecting plate 22 is provided with an L-shaped rod 5 for driving the fastening part 6 to lock, and the connecting plate 22 is provided with a connecting plate hole 221 for the L-shaped rod 5 to pass through.
Specifically, the fastening member 6 is fixed to the connecting plate 22, and the fastening member may be fixed to the side wall of the thermal insulation wallboard groove 21, or may be fixed to both the connecting plate 22 and the thermal insulation wallboard groove 21.
Specifically, the fastening member 6 includes a fastening cap 60, a fastening base plate 61, and a side plate block 64, the bottom surface of the fastening base plate 61 is attached to the side wall of the thermal insulation wallboard groove 21, the fastening base plate 61 is provided with the rotatable fastening cap 60, and the side plate block 64 is located right above the connecting plate hole 221.
Specifically, be equipped with U type groove 641 on the side plate piece 64, fastening cap 60 includes fastening ring 62 and fixed block 63, two fastening ring 62 sets up with one another concentrically, two be equipped with the ring channel 66 that is used for screw rod 11 to pass through between the fastening ring 62, two be equipped with the fastening opening 65 that is used for screw rod head 12 to pass through between the fastening ring 62, fixed block 63 is used for fixing two the position of fastening ring 62, the middle one end that is close to side plate piece 64 of fixed block 63 is connected with annular block 631, annular block 631 can insert in U type groove 641, one of them fastening ring 62 rotationally fixes on fastening bottom plate 61.
Specifically, the fastening bottom plate 61 is provided with a bottom plate sliding groove 67, the bottom plate sliding groove 67 is used for rotating the fixing block 63, and one end of the bottom plate sliding groove 67, which is close to the side plate block 64, is provided with a bump 671 used for fixing the position of the locking cap, and the locking cap does not rotate when not used.
Specifically, the semicircle center of U type groove 641 coincides with the center of connecting plate hole 221, U type groove 641 and connecting plate hole 221 are passed to L type pole 5, L type pole 5 bottom is equipped with horizontal pole 51, horizontal pole 51 welds on the screw head 12 of wall body basic unit 1.
Specifically, be equipped with two on the connecting plate 22 and all insert the connecting plate hole 221 of L type pole 5, two connecting plate hole 221 can prevent that two adjacent heat preservation wallboard 2 from forming articulated relation, improves the stability when whole heat preservation wallboard 2 receives external force.
A method for assembling prefabricated sandwich heat-insulating laminated wall boards comprises two steps of pre-positioning and assembling, wherein the pre-positioning comprises the following steps:
fixing a fastening component 6 on a connecting plate 22 of a heat-insulating wall plate 2, ensuring that the center of a semicircle of a U-shaped groove 641 is coincident with the center of a connecting plate hole 221, measuring the relative position size of the heat-insulating wall plate 2, the connecting plate 22 and the fastening component 6, wherein the relative position size is used for fixing the position of a screw rod 11 on a base wall body 1, the distance from a screw head 12 to the base wall body 1 is the same as the distance from the center of a fastening cap 60 to the contact side of the heat-insulating wall plate 2 and the base wall body 1, rotating the fastening cap 60 to enable the bottom of a fixing block 63 to be tightly matched with a salient point 671 of a bottom plate sliding groove 67, and enabling a fastening opening 65 to be always kept in a vertical state with the base wall body 1 when the heat-insulating wall body 2 is attached to the base wall body 1;
the assembly comprises the following steps:
firstly aligning the screw head 12 and the fastening opening 65, then moving the thermal insulation wallboard 2 towards the base wall, enabling the screw head 12 to enter the fastening opening 65 to keep the thermal insulation wallboard 2 not moving, then inserting the L-shaped rod 5 from the bottom of the thermal insulation wallboard groove 21, enabling the L-shaped rod to pass through the U-shaped groove 641 and the connecting plate hole 221 until reaching the top of the thermal insulation wallboard, when the L-shaped rod passes through the U-shaped groove 641, enabling the L-shaped rod 5 to push against the annular block 631, enabling the fixing block 63 to be separated from the salient 671 of the bottom plate sliding groove 67, enabling the whole fastening cap 60 to rotate on the fastening bottom plate 61, enabling the screw 11 to be clamped in the annular groove 66, enabling the fastening opening 65 to rotate downwards and to be no longer vertical to the base wall 1, enabling the screw head 12 to be clamped in the fastening cap 60, enabling the fastening component 6 to be fixed on the screw, namely the whole thermal insulation wallboard to be fixed on the screw, then rotating the cross rod 51 at the bottom of the L-shaped rod 5 to enable the cross rod 51 to be in contact with the screw head 12 on the base wall 1 which is not matched with the fastening component 6, the screw head 12 and the cross bar 51 are then welded, and the L-shaped rod 5 does not fall off. All the U-shaped grooves 641 and the connection plate holes 221 in the insulation wallboard groove 21 are inserted with the L-shaped rods 5.
Example two:
the second embodiment differs from the first embodiment in the following way:
two heat-insulating wall boards which are adjacent in the horizontal direction are respectively arranged as a heat-insulating wall board A and a heat-insulating wall board B, the height of the heat-insulating wall board A is higher than that of the heat-insulating wall board B,
a construction method of a prefabricated sandwich heat-insulation composite wallboard comprises the following steps:
1) prefabricating a heat-insulating wallboard: pre-buried connecting plate that runs through heat preservation wallboard in the heat preservation wallboard, the connecting plate is equipped with the strengthening rib along heat preservation wallboard thickness direction, just the strengthening rib is located inside the heat preservation wallboard, because the outer wall surface dimension appearance of building is inconsistent, so the heat preservation wallboard can't accomplish the outer wall that adapts to all size appearances, so the basic shape of heat preservation wallboard is unanimous, and initial heat preservation wallboard is as shown in figure 9, (heat preservation wallboard) is used for high-rise heat preservation wallboard: a heat-insulating wallboard groove is formed in the middle of the heat-insulating wallboard, and a fastening part is fixed on a connecting plate in the heat-insulating wallboard groove; the heat-insulation wallboard used for the side corner is cut according to the shape of the side corner, the cut heat-insulation wallboard comprises at least one connecting plate, the connecting plate is at least provided with two connecting plate holes in the thickness direction, and the height of the heat-insulation wallboard is at least twice of that of the fastening part; thermal insulation wallboard for low layers: cutting out heat preservation wallboard groove in the both sides of heat preservation wallboard, heat preservation wallboard groove is located the heat preservation wallboard of bottommost: cutting down a whole thermal insulation wallboard cutting strip 8 according to the width of the installation thermal insulation wallboard groove, wherein the thermal insulation wallboard cutting strip is cut down to facilitate installation of an L-shaped rod, each connecting plate of the bottommost thermal insulation wallboard corresponds to one L-shaped rod, and after the L-shaped rods are installed, adhering the thermal insulation wallboard cutting strip 8 to the bottommost thermal insulation wallboard by using glue;
2) the construction sequence is that the L-shaped rods are installed conveniently, and the heat-insulation wall boards are installed from the top of the building;
3) filling: two adjacent heat preservation wallboards are respectively for establishing into heat preservation wallboard A and heat preservation wallboard B in the horizontal direction, and heat preservation wallboard A highly is higher than heat preservation wallboard B top heat preservation wallboard A and heat preservation wallboard B top are equipped with heat preservation sealing layer 7, are equipped with heat preservation sealing packing layer 71 between heat preservation wallboard B and the heat preservation sealing layer 7 of top, also be equipped with heat preservation sealing packing layer between bottommost heat preservation wallboard A and the horizon, heat preservation sealing packing layer 71 is filled with the cutting material of heat preservation wallboard.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A construction method of a prefabricated sandwich heat-insulation composite wallboard is characterized in that: the heat-insulation wallboard comprises a heat-insulation wallboard tightly attached to a base wall body, a screw and a fastening part for fastening the heat-insulation wallboard and the base wall body, a heat-insulation wallboard groove and a connecting plate which are arranged in the vertical direction of the heat-insulation wallboard, a connecting plate hole is formed in the connecting plate, an L-shaped rod for driving the fastening part to lock is arranged on the connecting plate, the fastening part (6) comprises a fastening cap (60), a fastening bottom plate (61) and a side plate block (64), a rotatable fastening cap (60) is arranged on the fastening bottom plate (61), the side plate block (64) is positioned right above the connecting plate hole (221), a U-shaped groove (641) is formed in the side plate block (64), the fastening cap (60) comprises fastening rings (62) and fixing blocks (63), the two fastening rings (62) are concentrically arranged in opposite directions, and an annular groove (66) for the screw (11) to pass through is formed between the two fastening rings (62), a fastening opening (65) for a screw head (12) to pass through is arranged between the two fastening rings (62), the fixing block (63) is used for fixing the positions of the two fastening rings (62), one end of the middle of the fixing block (63) close to the side plate block (64) is connected with an annular block (631), the annular block (631) can be inserted into the U-shaped groove (641), and one of the fastening rings (62) is rotatably fixed on the fastening bottom plate (61); the construction method comprises
Prefabricating a heat-insulating wallboard:
a connecting plate penetrating through the heat-insulation wallboard is embedded in the initial heat-insulation wallboard, a reinforcing rib is arranged on the connecting plate along the thickness direction of the heat-insulation wallboard, and the reinforcing rib is positioned in the heat-insulation wallboard;
when the thermal insulation wallboard is used for a high layer: at least one heat-insulation wallboard groove is formed in the middle of the heat-insulation wallboard, heat-insulation wallboard grooves are cut on two sides of the heat-insulation wallboard, and fastening parts are fixed on connecting plates in the heat-insulation wallboard grooves;
when the heat-insulating wall board is used at an edge corner, the heat-insulating wall board is cut according to the shape of the edge corner, the cut heat-insulating wall board at least comprises a connecting plate, the connecting plate is at least provided with two connecting plate holes in the thickness direction, the height of the heat-insulating wall board is at least twice of that of a fastening part, and the fastening part is fixed on the connecting plate;
when the thermal insulation wallboard is used for a low layer: cutting heat-insulating wall plate grooves on two sides of the heat-insulating wall plate, wherein fastening parts are fixed on connecting plates in the heat-insulating wall plate grooves;
when insulating wall panels are used at the very bottom: cutting down a whole thermal insulation wallboard cutting strip along the width of the thermal insulation wallboard groove, wherein a fastening part is fixed on the connecting plate, the thermal insulation wallboard cutting strip is cut down to facilitate installation of an L-shaped rod, each connecting plate of the bottommost thermal insulation wallboard corresponds to one L-shaped rod independently, and after the L-shaped rods are installed, the thermal insulation wallboard cutting strip is adhered to the bottommost thermal insulation wallboard through glue;
the construction sequence is as follows: constructing from top to bottom in sequence, wherein the construction sequence is that the heat-insulating wall board is installed from the top layer of the building in order to install the L-shaped rod;
filling: two adjacent heat preservation wallboards in the horizontal direction have heat preservation wallboard A and heat preservation wallboard B respectively, and heat preservation wallboard A highly is higher than heat preservation wallboard B, is equipped with the heat preservation sealing layer above topmost heat preservation wallboard A and heat preservation wallboard B, is equipped with the sealed packing layer of heat preservation between the heat preservation wallboard B of topmost layer and the heat preservation sealing layer, also is equipped with the sealed packing layer of heat preservation between bottommost heat preservation wallboard A and the horizon, the sealed packing layer of heat preservation is filled with the cutting material of heat preservation wallboard.
2. The construction method of the prefabricated sandwich heat-insulation composite wall panel according to claim 1, characterized in that: be equipped with connecting plate (22) that a plurality of surpassed heat preservation wallboard (2) body on the horizontal direction of heat preservation wallboard (2), connecting plate (22) insert in adjacent heat preservation wallboard groove (21) and the outside of adjacent heat preservation wallboard (2) can seamless connection, be equipped with fastening component (6) that match with connecting plate (22) quantity in heat preservation wallboard groove (21), the head of screw rod (11) is equipped with screw rod head (12), screw rod head (12) and fastening component (6) cooperation, be equipped with screw rod (11) of corresponding quantity on the wall body of basic unit.
3. The construction method of the prefabricated sandwich heat-insulation composite wall panel according to claim 1, characterized in that: fastening bottom plate (61) are equipped with bottom plate spout (67), bottom plate spout (67) are used for the rotation of fixed block (63), bottom plate spout (67) are close to the one end of lateral plate piece (64) and are equipped with bump (671).
4. The construction method of the prefabricated sandwich heat-insulation composite wall panel according to claim 1, characterized in that: the semicircle center in U type groove (641) coincides with the center of connecting plate hole (221), U type groove (641) and connecting plate hole (221) are passed in L type pole (5), L type pole (5) bottom is equipped with horizontal pole (51), horizontal pole (51) welding is on screw head (12) of wall body basic unit (1).
5. The construction method of the prefabricated sandwich heat-insulation composite wall panel according to claim 1, characterized in that: be equipped with two on connecting plate (22) and all insert connecting plate hole (221) of L type pole (5), two connecting plate hole (221) can prevent that two adjacent heat preservation wallboard (2) from forming articulated relation.
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