CN215907184U - Connecting piece and coincide side fascia - Google Patents

Abstract

The utility model relates to the technical field of prefabricated part production, in particular to a connecting piece and a superposed external wall panel. The connecting piece comprises a connecting plate, the first side of the connecting plate is connected with the part, located in the cavity, of the reinforcement cage, the second side of the connecting plate is connected with the outer blade, the first side and the second side of the connecting plate are respectively provided with a first through hole and/or a second through hole, the first through hole is used for the connecting reinforcement to penetrate through, and the second through hole is used for the concrete to be embedded into. One side of the connecting plate extends into the cavity, the other side of the connecting plate extends into the outer blade plate, and the connecting plate does not extend into the inner blade plate, so that the height of the connecting piece can be reduced, and the material cost of the connecting plate is reduced. When concrete is poured, the connecting steel bars are located in the concrete, the concrete is embedded into the second through holes, and the anchoring strength of the connecting plates and the outer blade plates is guaranteed.

Description

Connecting piece and coincide side fascia

Technical Field

The utility model relates to the technical field of prefabricated part production, in particular to a connecting piece and a superposed external wall panel.

Background

Since the 21 st century, the total energy consumption of China is increased year by year, the total energy consumption of 2015 year all year reaches 43 hundred million tons of standard coal, the total energy consumption is the first in the world, the energy consumption of unit GDP reaches 3 times of the energy consumption of America and 5 times of energy consumption of Japan, and energy conservation and emission reduction become important links for realizing the sustainable development of society, economy and China. In the current national society total energy consumption, the building energy consumption exceeds 30%, and the heat loss of the building outer wall accounts for more than 60-70% of the total building energy consumption, so that the improvement of the energy-saving level of the outer wall has very important significance for reducing the building energy consumption.

The connecting piece of the prefabricated concrete sandwich heat-insulating wall body mainly comprises a stainless steel connecting piece and Fiber Reinforced Plastic (FRP), wherein the stainless steel connecting piece has good mechanical property, heat-insulating property and excellent durability and high-temperature resistance, and is widely applied to the prefabricated sandwich heat-insulating wall body. In the prefabricated sandwich heat-insulating wall body, the connecting piece mainly plays a role in resisting the separation action between the inner and outer leaf concrete plates under the action of wind load and earthquake load and the horizontal shearing force between the concrete plates under the action of vertical load.

The laminated heat-insulating shear wall is a common precast concrete sandwich heat-insulating wall body, when the shearing resistance of a wallboard is improved by adopting a stainless steel plate-shaped connecting piece, the plate-shaped connecting piece is required to be simultaneously embedded into an inner leaf plate and an outer leaf plate from the aspect of safety, so that the height of the connecting piece is up to 300mm, the height of the connecting piece penetrating through the heat-insulating plate is related to the energy-saving design of a building, the height is changed along with the thickness change of the heat-insulating plate, and from the interface of the heat-insulating plate and a cavity, the height of the connecting piece embedded into the cavity and the inner leaf plate is greatly wasted, and meanwhile, the engineering cost of a laminated shear wall system is greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a connecting piece and a superposed external wall panel, and aims to solve the problem of high cost caused by the fact that a stainless steel plate-shaped connecting piece in the prior art is simultaneously deep into an inner leaf panel and an outer leaf panel.

In order to achieve the above object, the present invention provides a connector, including a connecting plate, a first side of the connecting plate is connected to a portion of a reinforcement cage located in a cavity, a second side of the connecting plate is connected to an outer blade, and the first side and the second side of the connecting plate are respectively provided with a first through hole and/or a second through hole, wherein the first through hole is used for a connecting reinforcement to pass through, and the second through hole is used for concrete to be embedded in.

Optionally, the connecting piece further comprises a steel bar frame, the steel bar frame is connected with the first side of the connecting plate, and one side, far away from the connecting plate, of the steel bar frame is connected with the inner blade.

Optionally, the shape of the reinforcement frame is polygonal or circular, and/or the first diagonal reinforcement is connected in the reinforcement frame.

Optionally, the connecting piece further comprises a hollow plate, a plurality of hollow holes are formed in the hollow plate, the hollow plate is connected with the first side of the connecting plate, one side, far away from the connecting plate, of the hollow plate is connected with the inner leaf plate, and the material of the hollow plate is different from that of the connecting plate.

Optionally, the connecting plate is connected with the steel mesh inside the outer blade plate.

Optionally, the connecting plate is connected with the steel mesh in the outer blade plate through connecting steel bars.

The utility model also provides a laminated external wall panel, which comprises: interior acanthus leaf, the steel reinforcement cage, the heated board, the reinforcing bar net piece, outer acanthus leaf and foretell connecting piece, vacuole formation between heated board and the interior acanthus leaf, the part of steel reinforcement cage is arranged in the acanthus leaf, the rest of steel reinforcement cage is arranged in the cavity, outer acanthus leaf sets up the outside of heated board, the reinforcing bar net piece is arranged in outer acanthus leaf, the steel reinforcement cage is arranged in the part of cavity and is connected with the first side of connecting plate, outer acanthus leaf is connected with the second side of connecting plate, the part between the first side of connecting plate and the second side is arranged in the heated board.

Optionally, the laminated external wall panel further comprises reinforcing steel bars connected to portions of the corresponding connecting plates of the reinforcement cage.

Optionally, the reinforcing bar comprises: the second inclined strut steel bar is obliquely arranged relative to the outer blade plate and the inner blade plate; and/or horizontal reinforcing steel bars perpendicular to the outer blade plate and the inner blade plate.

Optionally, the connecting piece is welded with the reinforcement cage, or the connecting piece is bound with the reinforcement cage through a binding wire, and/or the laminated external wall panel further comprises a connecting reinforcement, the connecting reinforcement is inserted into the first through hole on the connecting plate of the connecting piece, the length of the connecting reinforcement is within the range of 300 mm-500 mm, and/or the diameter of the connecting reinforcement is within the range of 6 mm-10 mm.

The technical scheme of the utility model has the following advantages: the first side of connecting plate is connected with the part that the steel reinforcement cage is located the cavity, and the second side of connecting plate is connected with outer leaf, and one side of connecting plate stretches into in the cavity promptly, and the opposite side of connecting plate stretches into in outer leaf, and the connecting plate does not stretch into in the leaf, can reduce the height of connecting piece, reduces the material cost of connecting plate. When concrete is poured, the connecting steel bars are located in the concrete, the concrete is embedded into the second through holes, and the anchoring strength of the connecting plates and the outer blade plates is guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 shows a schematic front view of a first embodiment of a coupling according to the utility model;

FIG. 2 shows a schematic front view of a second embodiment of the connector of the present invention;

FIG. 3 shows a schematic front view of a third embodiment of the connector of the present invention;

FIG. 4 is a schematic horizontal cross-sectional view of a first embodiment of the laminated side fascia of the present invention;

FIG. 5 is a schematic horizontal cross-sectional view of a second embodiment of the laminated exterior wall panel of the present invention;

FIG. 6 is a schematic horizontal cross-sectional view of a third embodiment of the laminated exterior wall panel of the present invention;

FIG. 7 is a schematic horizontal cross-sectional view of a fourth embodiment of the laminated exterior wall panel of the present invention;

figure 8 shows a schematic horizontal cross-section of a fifth embodiment of the laminated side fascia of the present invention.

Description of reference numerals:

10. a connecting plate; 11. a first through hole; 12. a second through hole; 20. a steel bar frame; 21. transverse ribs; 22. longitudinal ribs; 23. a first diagonal brace bar; 30. a hollowed-out plate; 31. a central bore; 32. a side hole; 33. corner holes; 40. an inner leaf plate; 50. a reinforcement cage; 60. a thermal insulation board; 70. reinforcing mesh sheets; 80. an outer leaf plate; 90. connecting reinforcing steel bars; 100. a second diagonal bracing reinforcing bar; 110. horizontal reinforcing steel bars; 120. a cavity.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The utility model provides a connecting piece, and three embodiments of the connecting piece are introduced as follows:

example one

As shown in fig. 1, the connector of this embodiment includes a connecting plate 10, a first side of the connecting plate 10 is connected to a portion of the reinforcement cage 50 located in the cavity 120, a second side of the connecting plate 10 is connected to the outer leaf 80, and the first side and the second side of the connecting plate 10 respectively have a first through hole 11 and a second through hole 12, wherein the first through hole 11 is used for the connecting reinforcement 90 to pass through, and the second through hole 12 is used for the concrete to be embedded in.

By using the connecting member of this embodiment, the first side of the connecting plate 10 is connected to the portion of the reinforcement cage 50 located in the cavity 120, and the second side of the connecting plate 10 is connected to the outer blade 80, that is, one side of the connecting plate 10 extends into the cavity 120, the other side of the connecting plate 10 extends into the outer blade 80, and the connecting plate 10 does not extend into the inner blade, so that the height of the connecting member can be reduced, and the material cost of the connecting plate can be reduced. When concrete is poured, the connecting steel bars 90 are located in the concrete, and the concrete is embedded into the second through holes 12, so that the anchoring strength of the connecting plate 10 and the outer blade plate 80 is guaranteed.

In this embodiment, the first through hole 11 is a circular hole, which is convenient for the insertion of the steel bar, and the second through hole 12 is an oval hole, in which the concrete is embedded. As an alternative embodiment, the shape of the first through hole 11 is an ellipse, and the shape of the second through hole 12 is a circle, or the shapes of the first through hole 11 and the second through hole 12 are both a circle or an ellipse, or the shapes of the first through hole 11 and the second through hole 12 are respectively a polygon, and the like.

In this embodiment, the connecting plate 10 is connected to the reinforcing mesh 70 in the outer blade 80, so as to improve the connection strength between the connecting plate 10 and the outer blade 80. Preferably, the connecting plate 10 is connected with the reinforcing mesh 70 through the connecting reinforcing bar 90, the connecting reinforcing bar 90 is arranged in the first through hole 11 in a penetrating manner, and the connecting reinforcing bar 90 is welded with the reinforcing mesh 70 or bound through binding wires.

In this embodiment, the thickness of the outer blade plate 80 is 60mm, the minimum depth of the connecting plate 10 extending into the outer blade plate 80 is 40mm, and the part of the connecting plate 10 extending into the outer blade plate 80 is anchored with concrete, so as to ensure the anchoring strength of the connecting plate and the outer blade plate, and further ensure the reliability of the anchoring force. The depth of the connecting plate 10 extending into the outer blade plate 80 is within the range of 40-50 mm. It should be noted that the minimum depth of the connecting plate 10 extending into the outer blade 80 may also be referred to as the minimum anchoring depth of the connecting plate 10 extending into the outer blade 80.

In this embodiment, the minimum depth of the connecting plate 10 extending into the cavity 120 is 40mm, concrete is poured into the cavity 120 at a construction site, and the part of the connecting plate 10 extending into the cavity 120 is anchored with the concrete, so that the anchoring strength of the connecting plate and the cast-in-place concrete is ensured. It should be noted that the minimum depth of the connecting plate 10 extending into the cavity 120 may also be referred to as the minimum anchoring depth of the connecting plate 10 extending into the cavity 120.

In this embodiment, the minimum distance between the second side of the connecting plate 10 and the outer surface of the outer blade plate 80 is 10mm, the portion between the second side of the connecting plate 10 and the outer surface of the outer blade plate 80 is the protective layer of the outer blade plate 80, the minimum thickness of the protective layer in the outer blade plate 80 is 10mm, the connecting plate 10 cannot be exposed on the outer surface of the outer blade plate 80, and therefore the situation that the connecting plate 10 is exposed to cause corrosion is avoided.

In this embodiment, the connecting plate 10 is made of stainless steel, the thickness of the stainless steel connecting plate 10 is 1.5-3.0 mm, the height is 110-280 mm, and the chemical composition and mechanical properties of the stainless steel connecting plate meet the national industry standards.

In this embodiment, the part between the first side and the second side of connecting plate 10 is located the heated board, and the connecting piece is applicable to the heated board that thickness is in the 30 ~ 200mm within range. The thickness of connecting plate 10 of stainless steel is less than the diameter of reinforcing bar, is equipped with the slotted hole that supplies connecting plate 10 to wear to establish on the heated board, and the width size in slotted hole is also very little, and connecting plate 10 is very little with the gap of heated board, can prevent concrete inflow in production and the work progress, guarantees the thermal insulation performance of wall body.

As an alternative embodiment, the connection plate 10 has only the first through holes 11, or alternatively, the connection plate 10 has only the second through holes 12.

Example two

As shown in fig. 2, the connector of the second embodiment is different from the connector of the first embodiment in that whether the connector includes a reinforcement frame 20, in the second embodiment, the reinforcement frame 20 is connected to a first side of the connecting plate 10, and a side of the reinforcement frame 20 away from the connecting plate 10 is connected to the inner leaf 40. The structural strength of connecting piece can be guaranteed in the setting of steel reinforcement frame 20, and steel reinforcement frame 20 can double as the atress reinforcing bar, guarantees the reliability of wallboard connection simultaneously, simplifies production technology, improves coincide side fascia production quality, can be favorable to carrying out cast in situ concrete's construction in cavity department moreover, guarantees cast in situ concrete's the closely knit degree of pouring, improves engineering quality.

In the present embodiment, the reinforcing frame 20 has a polygonal shape. Preferably, the reinforcing steel bar frame 20 is rectangular, and has a simple structure, a simple processing technology and a reduced cost. As an alternative embodiment, the shape of the reinforcing steel frame is a triangle, a circle, a trapezoid, a polygon with the number of sides greater than 4, or the like.

In this embodiment, the first diagonal bar 23 is connected to the inside of the reinforcement frame 20, so as to improve the stability of the reinforcement frame. Preferably, the first diagonal reinforcing bar 23 is welded with the reinforcing bar frame 20 into a whole, and the welding material is one of a chrome stainless steel welding rod and a chrome nickel stainless steel welding rod.

In this embodiment, the reinforcing steel frame 20 includes two horizontal bars 21 and two vertical bars 22, and the two horizontal bars and the two vertical bars are connected into a rectangular frame, and the diameter of the horizontal bars and the vertical bars is 6mm ~ 10 mm.

In this embodiment, the reinforcement frame 20 is welded to the connection plate 10, so as to ensure the connection strength between the reinforcement frame 20 and the connection plate 10. As an alternative embodiment, the reinforcement frame 20 is bound to the connection plate 10 by binding wires.

EXAMPLE III

As shown in fig. 3, the difference between the connection member of the third embodiment and the first embodiment is whether the connection member includes a hollow plate 30, in the third embodiment, the connection member further includes a hollow plate 30, a plurality of hollow holes are formed in the hollow plate 30, the hollow plate 30 is connected to the first side of the connection plate 10, one side of the hollow plate 30, which is away from the connection plate 10, is connected to the inner blade plate 40, the material of the hollow plate 30 is different from that of the connection plate 10, and a material which is cheaper than stainless steel is selected as the material of the hollow plate 30, so that the material cost can be reduced. The reliability of wallboard connection can be guaranteed in the setting of fretwork board 30, improves coincide side fascia production quality. The hollowed holes facilitate the leakage of concrete and increase the anchoring force of the concrete.

In this embodiment, the connecting plate 10 is made of stainless steel, and the hollow plate 30 is made of carbon steel, that is, the hollow plate 30 is made of a common steel plate, and the price of the carbon steel is lower than that of the stainless steel, and the cost is lower. The thickness of the hollow-out plate 30 is 1.5-3.0 mm.

In the present embodiment, the shape of the hollow hole includes a circle and an ellipse. As an alternative embodiment, the shape of the hollow hole may be only a circle or an ellipse, or the shape of the hollow hole may be other shapes, and the like.

In this embodiment, the plurality of hollowed-out holes include a central hole 31, a plurality of side holes 32 and four corner holes 33, the central hole 31 is disposed at the center of the hollowed-out plate 30, the plurality of side holes 32 are disposed around the central hole 31, and the four corner holes 33 are disposed at four corners of the hollowed-out plate 30, so that the center, the periphery of the center and the most possible design of the corners of the hollowed-out plate are hollowed out under the condition of meeting the safe load, and the passing probability of the concrete is improved. Preferably, the central hole 31 and the side holes 32 are circular in shape, the corner holes are elliptical in shape, and the diameter of the central hole 31 is larger than that of the side holes 32. Specifically, the radius of centre bore is 30 ~ 50mm, and the radius of limit hole is 20 ~ 30mm, and the long limit radius of elliptical aperture is 10 ~ 20mm, and the minor face radius of elliptical aperture is 5 ~ 10 mm.

In the present embodiment, the number of the side holes 32 is eight, six side holes 32 are uniformly distributed along the circumferential direction of the central hole 31, and two other side holes 32 are distributed between the two corner holes 33. Preferably, the side holes 32 and the corner holes are symmetrically arranged with respect to the transverse center line and the longitudinal center line of the stencil 30, which facilitates manufacturing and reduces manufacturing costs. Of course, the arrangement of the plurality of hollow holes is not limited to this.

In this embodiment, the minimum distance between the hole wall of the hollow hole and the edge of the hollow plate 30 is not less than 50mm, so that stress concentration can be avoided.

In the present embodiment, the shape of the hollow-out plate 30 is a polygon. Preferably, the shape of the hollow-out plate 30 is rectangular, the structure is simple, the processing technology is simple, and the cost is reduced. As an alternative embodiment, the shape of the hollowed-out plate 30 is triangular, circular, trapezoidal, or polygonal with the number of sides greater than 4, etc.

In this embodiment, the hollow plate 30 is welded to the connecting plate 10, so as to ensure the connection strength between the hollow plate 30 and the connecting plate 10. As an alternative embodiment, the hollow-out plate 30 is bound to the connecting plate 10 by a binding wire.

The connectors of the first to third embodiments are used for the laminated external wall panel, the connectors mainly play a horizontal pulling role in the laminated external wall panel, the connectors are arranged according to the self weight, wind load, temperature environment and soil pressure of the external precast concrete panel, the connectors have two situations of horizontal placement and vertical placement, the connectors in each supporting direction need to be located on the same axis (short axis of the pulling piece), and the minimum number of the connectors and the distance relative to the gravity center depend on the selected supporting system.

The utility model also provides a laminated external wall panel, and five embodiments of the laminated external wall panel are described as follows:

example one

As shown in fig. 4, the laminated external wall panel of this embodiment comprises: inner leaf plate 40, steel reinforcement cage 50, heated board 60, reinforcing bar net piece 70, outer leaf plate 80 and foretell connecting piece, form cavity 120 between heated board 60 and the inner leaf plate 40, the part of steel reinforcement cage 50 is arranged in inner leaf plate 40, the rest of reinforcing bar cage 50 is arranged in cavity 120, outer leaf plate 80 sets up the outside of heated board 60, reinforcing bar net piece 70 is arranged in outer leaf plate 80, the part that reinforcing bar cage 50 is arranged in cavity 120 is connected with the first side of connecting plate 10, outer leaf plate 80 is connected with the second side of connecting plate 10, the part between the first side of connecting plate 10 and the second side is arranged in the heated board, the connecting piece is with outer leaf plate 80, heated board 60, inner leaf plate 40 connects into whole.

In this embodiment, the connecting member is welded to the reinforcement cage 50, and has high welding strength, and the connecting member includes only the connecting plate 10, and the connecting plate 10 made of stainless steel is directly welded to the reinforcement cage 50. Alternatively, the connectors may be tied to the reinforcement cage 50 by a tie wire.

In this embodiment, the laminated external wall panel further comprises a connection bar 90, and the connection bar 90 is inserted into the first through hole 11 of the connection plate 10 of the connector. The length of the connecting reinforcing steel bar 90 is within the range of 300 mm-500 mm, and the diameter of the connecting reinforcing steel bar 90 is within the range of 6 mm-10 mm.

In the present embodiment, the inner and outer blades 40 and 80 are both precast concrete panels, the maximum particle size of the coarse aggregate in the inner and outer blades 40 and 80 is not more than 25mm, the strength grade is not lower than grade C30, and the slump is 180 ± 20 mm.

In this embodiment, the reinforcing bar net piece is formed by a plurality of horizontal reinforcing bars and a plurality of vertical reinforcing bar welding, and the interaxial distance of two adjacent horizontal reinforcing bars and the interaxial distance of two adjacent vertical reinforcing bars are 150 ~ 200mm respectively, and the diameter of horizontal reinforcing bar and vertical reinforcing bar is 8 ~ 10 mm.

In this embodiment, the insulation board 60 is one of a polystyrene board, an extruded board, a polyurethane board, a phenolic board, a foamed concrete board, a foamed glass board, a foamed ceramic board, a lightweight polystyrene particle concrete board, a vacuum insulation board, a rock wool board, and an aerogel insulation blanket.

In this embodiment, steel reinforcement cage 50 includes that double-deck reinforcing bar net piece and horizontal lacing wire constitute, double-deck reinforcing bar net piece is formed by a plurality of horizontal reinforcing bars and a plurality of vertical reinforcement welding respectively, the interaxial distance of two adjacent horizontal reinforcing bars and the interaxial distance of two adjacent vertical reinforcing bars are 150 ~ 200mm respectively, horizontal lacing wire and double-deck reinforcing bar net piece can weld or horizontal lacing wire adopts crotch form and double-deck reinforcing bar net piece ligature, the interaxial distance of two adjacent horizontal lacing wires is 300 ~ 400mm, the diameter of the reinforcing bar that double-deck reinforcing bar net piece and horizontal lacing wire used is 8 ~ 10 mm.

In this embodiment, the cavity 120 may be made of one of self-compacting concrete, fine aggregate concrete, and ordinary concrete, the maximum particle size of coarse aggregate of the concrete is not greater than 20mm, and the slump is not less than 200 mm.

Example two

As shown in fig. 5, the difference between the laminated external wall panel of the second embodiment and the first embodiment lies in whether the connecting member includes the steel bar frame 20, in the second embodiment, the connecting member further includes the steel bar frame 20, after the steel bar frame 20 is welded with the connecting plate 10, the connecting member is welded on the steel bar cage 50, the steel bar frame 20 can be used as a stressed steel bar, the reliability of the wall panel connection is ensured, the production process is simplified, the production quality of the laminated external wall panel is improved, and the construction of cast-in-place concrete at the cavity can be facilitated, the pouring compactness of the cast-in-place concrete is ensured, and the engineering quality is improved.

EXAMPLE III

As shown in fig. 6, the difference between the laminated external wall panel of the third embodiment and the first embodiment is whether the connecting member includes the hollowed-out plate 30, in the third embodiment, the connecting member further includes the hollowed-out plate 30, after the hollowed-out plate 30 is welded to the connecting plate 10, the connecting member is welded to the reinforcement cage 50, and the hollow-out plate 30 is configured to ensure the reliability of the wall panel connection, thereby improving the production quality of the laminated external wall panel. The hollowed holes of the hollowed plate 30 facilitate the leakage of concrete and increase the anchoring force of concrete.

Example four

As shown in fig. 7, the difference between the laminated external wall panel of the fourth embodiment and the first embodiment lies in whether to provide the reinforcing steel bars, in the fourth embodiment, the laminated external wall panel further includes the reinforcing steel bars, the reinforcing steel bars are connected to the portion of the reinforcement cage 50 corresponding to the connecting plate 10, and the reinforcing steel bars reinforce the welding position between the reinforcement cage 50 and the connecting plate 10, so as to improve the stability of the connecting member.

In this embodiment, the reinforcing bars are horizontal bars 110, the horizontal bars 110 are perpendicular to the outer and inner leaves 80 and 40, and the horizontal bars 110 are welded to the two mesh steel bars of the reinforcement cage 50.

EXAMPLE five

As shown in fig. 8, the laminated external wall panel of the fifth embodiment is different from the fourth embodiment in that the reinforcing bars are second diagonal reinforcing bars 100, the second diagonal reinforcing bars 100 are obliquely arranged with respect to the outer leaf plates 80 and the inner leaf plates 40, and the second diagonal reinforcing bars 100 are welded to the two mesh reinforcement sheets of the reinforcement cage 50.

In this embodiment, two second diagonal reinforcing bars 100 are provided, and the two second diagonal reinforcing bars 100 are arranged to intersect.

The tee joints of the second embodiment and the second embodiment are combined into the connecting piece through the connecting plate 10 and the steel bar frame 20 or the steel plate, so that the height of the connecting piece can be effectively reduced, the production process of the laminated external wall panel is simplified, the factory production and field construction efficiency is improved, and the engineering quality is ensured.

The manufacturing process of the laminated external wall panel is explained by taking the connecting piece as an example and comprising a connecting plate and a steel bar frame:

(1) assembling a side die, and coating a release agent on the surfaces of the side die and a die table;

(2) placing the formed reinforcement cage 50;

(3) determining the position of the connector, partially welding the reinforcement frame part of the connector to the reinforcement cage 50, and inserting the connecting reinforcement 90 into the circular hole at one end of the connecting plate 10;

(4) pouring the inner blade plate 40;

(5) reserving holes or pre-arranging plates before laying the heat insulation plate 60, and enabling the connecting plate 10 of the connecting piece to penetrate through the heat insulation plate;

(6) placing a reinforcing mesh 70;

(7) inserting the connecting steel bar 90 into the circular hole at the other end of the connecting plate 10;

(8) conveying the materials into a curing kiln for curing for 8-10 h, and demolding after hardening;

(9) repeating the step (1), and pouring the outer blade plate 80;

(10) turning and pressing the inner leaf plate 40, the reinforcement cage 50, the heat insulation plate 60, the reinforcement meshes 70 and the connecting pieces into the outer leaf plate 80;

(11) and (5) conveying the wallboard into a curing kiln for curing for 8-10 h, and finishing the manufacturing.

It should be noted that, one side of the cavity in the structure of the laminated external wall panel, which is close to the heat-insulating board, may be provided with a precast concrete board layer, the manufacturing process of the wall panel is not limited to the turning process, and may also adopt the turning-free process, specifically, after laying the reinforcing mesh, the joints of the heat-insulating board and the peripheral mold are sealed and reinforced, and then the external leaf panel is directly poured.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

1. when the connecting piece only comprises the connecting plate, the height of the plate-shaped connecting piece is reduced, and the material cost of the connecting piece is reduced.

2. The connecting piece comprises a connecting plate and a steel bar frame or a hollow plate, the stainless steel connecting plate and the steel bar frame or a common steel plate are welded and connected into a whole to form the connecting piece, the connecting piece mainly plays a horizontal drawing role in the superposed external wall panel, the height of the plate-shaped connecting piece is reduced, the material cost of the connecting piece is reduced, and the safety performance of the superposed external wall panel is ensured; the inclination of the plate-shaped connecting piece inserted into the heat insulation board after being inserted into the heat insulation board can be effectively avoided, and the effective depth of the outer precast slab concrete can not be ensured; when the reinforcing steel bar frame is adopted, the reinforcing steel bar frame can be used as a stressed reinforcing steel bar, and the connecting piece is positioned in advance and welded with the reinforcing steel bar cage during production, so that the integrity and the reliability are ensured, the production process is simplified, and the production efficiency and the product quality of the laminated external wall panel are improved; when the connecting piece was arranged at the level, the fretwork design of reinforcing bar frame or steel sheet was favorable to improving the probability of passing through of concrete, guarantees cast in situ concrete and pours closely knit degree, improves engineering quality.

3. The connecting plate only passes outer leaf plate, heated board and cavity, and the clearance between connecting plate and the heated board is little, prevents that the concrete from flowing into and forming the cold bridge, guarantees the thermal insulation performance of wallboard.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims (10)

1. A connector is characterized by comprising a connecting plate (10), wherein a first side of the connecting plate (10) is connected with a part, located in a cavity (120), of a reinforcement cage (50), a second side of the connecting plate (10) is connected with an outer leaf plate (80), the first side and the second side of the connecting plate (10) are respectively provided with a first through hole (11) and/or a second through hole (12), the first through hole (11) is used for a connecting reinforcement (90) to penetrate through, and the second through hole (12) is used for concrete to be embedded in.

2. The connector of claim 1, further comprising a reinforcement frame (20), wherein the reinforcement frame (20) is connected to the first side of the connecting plate (10), and wherein the side of the reinforcement frame (20) remote from the connecting plate (10) is connected to the inner leaf (40).

3. The connector according to claim 2, wherein the shape of the reinforcement frame (20) is polygonal or circular, and/or the reinforcement frame (20) has a first diagonal reinforcement (23) connected therein.

4. The connecting piece according to claim 1, characterized in that the connecting piece further comprises a hollow plate (30), a plurality of hollow holes are formed in the hollow plate (30), the hollow plate (30) is connected with the first side of the connecting plate (10), one side of the hollow plate (30) far away from the connecting plate (10) is connected with the inner leaf plate (40), and the material of the hollow plate (30) is different from that of the connecting plate (10).

5. The connection according to claim 1, characterized in that the connection plate (10) is connected to a mesh of steel reinforcement (70) inside the outer leaf (80).

6. The connection according to claim 5, characterized in that the connection plate (10) is connected to the mesh of rebars (70) by means of connection rebars (90).

7. A laminated exterior wall panel, comprising: inner leaf (40), reinforcement cage (50), insulation board (60), reinforcement mesh (70), outer leaf (80) and connector according to any one of claims 1 to 6, a cavity (120) is formed between the heat insulation plate (60) and the inner blade plate (40), a portion of the reinforcement cage (50) is located in the inner leaf (40) and a remaining portion of the reinforcement cage (50) is located in the cavity (120), the outer leaf plate (80) is arranged on the outer side of the heat insulation plate (60), the reinforcing mesh (70) is positioned in the outer leaf plate (80), the reinforcement cage (50) is connected to the first side of the connecting plate (10) at the portion of the cavity (120), the outer leaf plate (80) is connected with the second side of the connecting plate (10), and the part between the first side and the second side of the connecting plate (10) is positioned in the heat insulation plate (60).

8. The laminated side fascia according to claim 7, further comprising reinforcing bars attached to the reinforcement cage (50) at a portion corresponding to the connector panel (10).

9. The laminated exterior wall panel of claim 8, wherein said reinforcing bars comprise:

a second diagonal brace reinforcing bar (100) obliquely arranged with respect to the outer blade plate (80) and the inner blade plate (40);

and/or the presence of a gas in the gas,

horizontal reinforcing steel bars (110) perpendicular to the outer blade plate (80) and the inner blade plate (40).

10. The laminated exterior wall panel of claim 7,

the connecting piece is welded with the reinforcement cage (50), or the connecting piece is bound with the reinforcement cage (50) through a binding wire,

and/or the presence of a gas in the gas,

the laminated external wall panel further comprises connecting steel bars (90), wherein the connecting steel bars (90) are inserted into first through holes (11) in the connecting plates (10) of the connecting pieces, the length of the connecting steel bars (90) is within the range of 300 mm-500 mm, and/or the diameter of the connecting steel bars (90) is within the range of 6 mm-10 mm.

Images