CN214246210U - Self-insulation prefabricated wallboard and externally-hung connecting structure thereof - Google Patents
Self-insulation prefabricated wallboard and externally-hung connecting structure thereof Download PDFInfo
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- CN214246210U CN214246210U CN202023082450.XU CN202023082450U CN214246210U CN 214246210 U CN214246210 U CN 214246210U CN 202023082450 U CN202023082450 U CN 202023082450U CN 214246210 U CN214246210 U CN 214246210U
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Abstract
The utility model provides a self-insulation prefabricated wall board and an external connecting structure thereof, wherein the external connecting structure comprises an upper connecting component and a lower connecting component; the upper connecting assembly comprises a first anchor plate, a first threaded connecting rod connected with the first anchor plate, a first L-shaped connecting plate fixedly connected with the upper steel frame beam, a first heat insulation pad and a first fixing nut; the first L-shaped connecting plate and the first heat insulation base plate can be respectively provided with a first threaded connecting rod in a penetrating way, and the first threaded connecting rod is in threaded connection with a first fixing nut; the lower connecting assembly comprises a second anchor plate, a second threaded connecting rod connected with the second anchor plate, a third anchor plate fixedly connected with the lower steel frame beam, a second L-shaped connecting plate fixedly connected with the third anchor plate, a second heat insulation base plate and a second fixing nut; the third anchor plate is embedded in the upper surface of the floor slab in advance, a second L-shaped connecting plate and a second heat insulation base plate can penetrate through a second threaded connecting rod, and the second threaded connecting rod is in threaded connection with a second fixing nut. The external hanging connecting structure can be used for realizing the rapid and reliable installation of the prefabricated wall panel.
Description
Technical Field
The utility model belongs to the technical field of building engineering, especially, relate to self preservation temperature prefabricated wall panel and external connection structure thereof.
Background
The externally-hung self-insulation prefabricated large wallboard is different from the traditional enclosure structure, and has the biggest characteristic of engineering prefabricated production, and the quality is reliably ensured; the construction speed is fast, the construction period is short, and the efficiency is high. This has also put forward higher requirement to hanging self preservation temperature prefabricated large wall plate structure and structure. The common whole panel wall body mostly adopts a concrete sandwich panel, the concrete sandwich panel is formed by connecting an inner concrete panel and an outer concrete panel by a steel bar truss penetrating through an insulation board, but the sandwich panel has the problems of relative sliding and local bending of the inner panel and the outer panel, and the thermal conductivity of the steel bar truss is higher, so that a cold bridge is easily formed, and the insulation performance of the wall panel is poorer.
More important problems are that the existing connecting structure of the prefabricated wall panel and the steel beam frame mostly adopts a complete external hanging form, the construction is very complicated and is not beneficial to the construction, and the complete external hanging form of the wall panel causes great lateral bending moment, the stress of the connecting structure is complex, and the connecting structure is not safe and reliable enough.
Therefore, how to realize under the standardized prerequisite of side fascia production, provide one kind and can install fast, can reduce on-the-spot wet work again and on-the-spot work of assembling, reduce the area quantity of wallboard seam and heat bridge, still enable with steel frame connected node atress simple, the prefabricated big wallboard of external self preservation temperature and the major structure connected node of being convenient for construction of safe and reliable, be an urgent problem that awaits solution.
Disclosure of Invention
The utility model provides a self preservation temperature prefabricated wallboard and outer hanging connection structure thereof, this outer hanging connection structure can safe and reliable's connection prefabricated wallboard and steel framework, and the prefabricated wallboard that adopts this outer hanging connection structure can realize quick installation under the standardized prerequisite of realization side fascia production, reduces job site operation work load, improves efficiency of construction and installation quality.
In order to achieve the above object, an aspect of the present invention provides an external hanging connection structure for a self-insulating prefabricated wall panel, including an upper connection assembly for connecting the prefabricated wall panel and an upper steel frame beam on an upper portion thereof, and a lower connection assembly for connecting the prefabricated wall panel and a lower steel frame beam on a lower portion thereof; taking the direction vertical to the prefabricated wall panel as the transverse direction, and taking the side surface, close to the floor slab, of the wall panel reinforcing rib layer of the prefabricated wall panel as the inner surface of the wall panel reinforcing rib layer;
the upper connecting assembly comprises a first anchor plate embedded in the prefabricated wallboard, a first threaded connecting rod arranged in the transverse direction, a first L-shaped connecting plate fixedly connected with the lower flange of the upper steel frame beam, a first heat insulation base plate arranged between the wallboard reinforcing rib layer and the first L-shaped connecting plate, and a first fixing nut matched with the first threaded connecting rod; the first L-shaped connecting plate and the first heat insulation base plate are respectively provided with a first through hole and a second through hole through which the first threaded connecting rod can penetrate, one end of the first threaded connecting rod is fixedly connected with the first anchor plate, the other end of the first threaded connecting rod penetrates through the inner surface of the reinforcing rib layer of the wallboard, and the first threaded connecting rod is connected with the first fixing nut after penetrating through the second through hole and the first through hole in sequence;
the lower connecting assembly comprises a second anchor plate embedded in the prefabricated wallboard, a second threaded connecting rod arranged in the transverse direction, a third anchor plate fixedly connected with the upper flange of the lower steel frame beam, a second L-shaped connecting plate fixedly connected with the upper surface of the third anchor plate, a second heat insulation base plate arranged between the wallboard reinforcing rib layer and the second L-shaped connecting plate, and a second fixing nut matched with the second threaded connecting rod; the third anchor plate is embedded in the upper surface of the floor slab in advance, the third through hole and the fourth through hole which can penetrate through the second threaded connecting rod are respectively formed in the second L-shaped connecting plate and the second heat insulation base plate, one end of the second threaded connecting rod is fixedly connected with the second anchor plate, the other end of the second anchor plate penetrates out of the inner surface of the wallboard reinforcing rib layer, and the second anchor plate sequentially penetrates through the fourth through hole and the third through hole and then is in threaded connection with the second fixing nut.
Preferably, the first L-shaped connecting plate comprises a first transverse plate and a first vertical plate; the first transverse plate is arranged in parallel to the lower flange of the upper steel frame beam and is arranged between the upper steel frame beam and the prefabricated wall plate, and the first transverse plate is fixedly connected with the lower flange of the upper steel frame beam; the first vertical plate is perpendicular to the first transverse plate and arranged below the first transverse plate, the first vertical plate is positioned on one side, close to the inner surface of the wallboard reinforcing rib layer, of the first transverse plate, and the first through hole is formed in the first vertical plate; the first heat insulation base plate is an L-shaped heat insulation gasket arranged in the same direction as the first L-shaped connecting plate.
Preferably, the first L-shaped connecting plate further comprises two first stiffening ribs for connecting the first transverse plate and the first vertical plate, and the two first stiffening ribs are respectively arranged on two sides of the prefabricated wall panel.
Preferably, the second L-shaped connecting plate comprises a second transverse plate and a second vertical plate; the second vertical plate is arranged in parallel to the surface of the prefabricated wall plate, and the third through hole is formed in the second vertical plate; the second transverse plate is perpendicular to the second vertical plate, the second transverse plate is arranged below the second vertical plate, the second transverse plate is arranged on the second vertical plate and is far away from one side of the prefabricated wallboard, the second transverse plate is fixedly connected with the third anchor plate, the second heat insulation backing plate is arranged into an L-shaped heat insulation gasket, the vertical plate surface of the second spacer plate is parallel to the second vertical plate, the fourth through hole is formed in the second vertical plate surface, the transverse plate surface of the second spacer plate is arranged below the vertical plate surface, the transverse plate surface of the second spacer plate is arranged on the vertical plate surface and is far away from one side of the second L-shaped connecting plate, and the transverse plate surface of the second spacer plate is arranged between the third anchor plate and the prefabricated wallboard.
Preferably, the second L-shaped connecting plate further includes a second stiffening rib for connecting the second transverse plate and the second vertical plate, and the second stiffening rib is provided in plurality.
Preferably, the third anchor plate is parallel to the upper flange of the lower steel frame beam, and the lower surface of the third anchor plate is fixedly connected with the upper flange of the lower steel frame beam through an anchor bar penetrating through the floor slab.
Preferably, the anchor bars are perpendicular to the third anchor plate, the anchor bars are arranged in a plurality of numbers, and the anchor bars are symmetrically arranged relative to the center line of the third anchor plate.
Preferably, the first L-shaped connecting plate and the second L-shaped connecting plate are both made of hot-bent L-shaped steel plates.
Preferably, the first heat insulating base plate and the second heat insulating base plate are both made of a low-compressibility heat insulating material.
Preferably, the first threaded link and the second threaded link are both high-strength straight screws.
Preferably, the first fixing nut and the second fixing nut are both high-strength nuts; the fixed connection adopts a welding mode for connection.
Preferentially, the first through hole and the second through hole are first elliptical through holes with the same shape, and the long axis direction of the first elliptical through holes is arranged along the vertical direction; the third through hole and the fourth through hole are second oval through holes with the same shape, the long axis direction of the second oval through holes is arranged along the longitudinal direction, and the longitudinal direction is perpendicular to the transverse direction and the vertical direction.
The utility model discloses an on the other hand provides a self preservation temperature prefabricated wallboard, including foretell external connection structure.
Preferably, the prefabricated wall panel comprises a reinforced concrete outer wall panel layer, a wall panel reinforcing rib layer and a heat insulation layer which are sequentially arranged from outside to inside; the upper part of the wallboard reinforcing rib layer is provided with a notch groove capable of accommodating the first vertical plate; the first anchor plate and the second anchor plate are both pre-embedded in the reinforced concrete outer wall plate layer and welded with steel bars in the reinforced concrete outer wall plate layer.
Preferably, the reinforced concrete outer wall plate layer and the wallboard reinforcing rib layer are integrally cast into an integral structure, and the heat insulation layer comprises an outer heat insulation layer embedded between ribs of the reinforcing rib layer and an inner heat insulation layer positioned on the inner side of the outer heat insulation layer; and the inner heat-insulating layer is provided with mounting holes for mounting the first L-shaped connecting plate and the second L-shaped connecting plate.
Preferably, the prefabricated wall panel further comprises an outer decorative surface fixed on the outer surface of the reinforced concrete outer wall panel layer, and an inner decorative surface fixed on the inner surface of the inner insulating layer.
Compared with the prior art, the utility model, the advantage lies in: the utility model provides a self preservation temperature prefabricated wallboard and outer hanging connection structure thereof, this outer hanging connection structure can safe and reliable's connection prefabricated wallboard and steel framework, and the prefabricated wallboard that adopts this outer hanging connection structure can realize quick installation under the standardized prerequisite of realization side fascia production, reduces job site operation work load, improves efficiency of construction and installation quality. Specifically, the method comprises the following steps:
(1) by adopting the externally-hung connecting structure, in the process of on-site construction, the first anchor plate provided with the first threaded connecting rod and the second anchor plate provided with the second threaded connecting rod are both embedded in the prefabricated wallboard, the first L-shaped connecting plate and the second L-shaped connecting plate are respectively and fixedly connected with the upper steel frame and the lower steel frame, the externally-hung prefabricated wallboard only needs to be hoisted to the installation position, and then the prefabricated wallboard, the first L-shaped connecting plate and the second L-shaped connecting plate are fixedly connected through bolt screwing, so that the prefabricated wallboard can be connected, and the construction is rapid, simple and convenient.
(2) The arrangement of the second L-shaped connecting plate enables the prefabricated wall panel to be partially overlapped on the floor slab, and the self weight of the prefabricated wall panel is borne by the floor slab. And go up coupling assembling and all adopt the atress of screw thread connecting rod transmission wallboard with lower coupling assembling, the screw thread connecting rod bears shear force and pulling force, and the atress is simple clear and definite, can guarantee the safe and reliable of whole node.
(3) In the preferred scheme, the first through hole and the second through hole which are used for penetrating the first threaded connecting rod in the upper connecting assembly are elliptical holes which are arranged along the vertical direction in the long axis direction, and the third through hole and the fourth through hole which are used for penetrating the second threaded connecting rod in the lower connecting assembly are elliptical holes which are arranged along the longitudinal direction in the long axis direction, so that the external prefabricated large wallboard and the steel frame structure can be deformed and coordinated, and the prefabricated wallboard is prevented from being damaged by stress.
(4) In the preferred scheme, the first L-shaped connecting plate is firmly and reliably connected with the lower flange of the upper steel frame beam in a welding manner, and the welding seam bears shearing force, pulling force and bending moment, so that the safety and reliability of the upper connecting assembly can be ensured; the second L-shaped connecting plate is firmly and reliably connected with a third anchor plate in the floor slab in a welding manner, and the welding seam bears shearing force, pulling force and bending moment, so that the safety and reliability of the lower connecting assembly can be ensured; the embedded anchor bars welded with the third anchor plate are welded with the upper flange of the lower steel frame beam, the connecting node can bear the self weight, wind suction force and wind pressure of the externally hung prefabricated wall plate, the arrangement is reasonable, and the whole connecting node is safe and reliable.
(5) In the preferred scheme, the reinforced concrete outer wall plate layer and the wallboard reinforcing rib layer of the prefabricated wallboard can be poured together in a factory, and the outer decorative surface, the heat preservation layer and the inner decorative surface can also be processed together in the factory, so that the integration and the standardized production are realized, the on-site wet operation and the on-site assembling workload can be reduced, and the area quantity of wallboard joints and heat bridges is reduced.
Drawings
FIG. 1 is a schematic structural view of a prefabricated wall panel of this embodiment;
fig. 2 is a schematic structural view of the upper connecting assembly of the present embodiment;
FIG. 3 is a schematic structural diagram of a first L-shaped connecting plate according to the present embodiment;
fig. 4 is a schematic structural view of the lower connecting assembly of the present embodiment;
FIG. 5 is a schematic structural diagram of a second L-shaped connecting plate according to the present embodiment;
fig. 6 is a schematic structural view of a third anchor plate of the present embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described and illustrated below with reference to the embodiments. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products commercially available.
It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments provided in the present application without any inventive step are within the scope of protection of the present application.
It is obvious that the drawings in the following description are only examples or embodiments of the present application, and that it is also possible for a person skilled in the art to apply the present application to other similar contexts on the basis of these drawings without inventive effort. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of ordinary skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments without conflict.
Unless defined otherwise, technical or scientific terms referred to herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which this application belongs. Reference to "a," "an," "the," and similar words throughout this application are not to be construed as limiting in number, and may refer to the singular or the plural. The present application is directed to the use of the terms "including," "comprising," "having," and any variations thereof, which are intended to cover non-exclusive inclusions; the term "plurality" as referred to herein means two or more. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. Reference herein to the terms "first," "second," "third," and the like, are merely to distinguish similar objects and do not denote a particular ordering for the objects.
The embodiment of the utility model provides an external hanging connecting structure of a self-heat-preservation prefabricated wallboard, which comprises an upper connecting component 1 used for connecting a prefabricated wallboard 3 and an upper steel frame beam 4 on the upper part of the prefabricated wallboard, and a lower connecting component 2 used for connecting the prefabricated wallboard 3 and a lower steel frame beam 5 on the lower part of the prefabricated wallboard; taking the direction vertical to the prefabricated wall panel 3 as the transverse direction, and taking the side surface of the wall panel reinforcing rib layer 3-2 of the prefabricated wall panel 3 close to the floor slab 6 as the inner surface of the wall panel reinforcing rib layer 3-2;
the upper connecting assembly 1 comprises a first anchor plate 1-1 pre-buried in the prefabricated wall plate 3, a first threaded connecting rod 1-2 arranged in the transverse direction, a first L-shaped connecting plate 1-3 fixedly connected with a lower flange of the upper steel frame beam 4, a first heat insulation backing plate 1-4 arranged between the wall plate reinforcing rib layer 3-2 and the first L-shaped connecting plate 1-3, and a first fixing nut 1-5 matched with the first threaded connecting rod 1-2; the first L-shaped connecting plate 1-3 and the first heat insulation backing plate 1-4 are respectively provided with a first through hole 1-31 and a second through hole which can penetrate through the first threaded connecting rod 1-2, one end of the first threaded connecting rod 1-2 is fixedly connected with the first anchor plate 1-1, the other end of the first threaded connecting rod penetrates through the inner surface of the wallboard reinforcing rib layer 3-2, and the first threaded connecting rod is in threaded connection with the first fixing nut 1-5 after sequentially penetrating through the second through hole and the first through hole 1-31;
the lower connecting assembly 2 comprises a second anchor plate 2-1 pre-buried in the prefabricated wall plate 3, a second threaded connecting rod 2-2 arranged in the transverse direction, a third anchor plate 2-3 fixedly connected with the upper flange of the lower steel frame beam 5, a second L-shaped connecting plate 2-4 fixedly connected with the upper surface of the third anchor plate 2-3, a second heat insulation backing plate 2-5 arranged between the wall plate reinforcing rib layer 3-2 and the second L-shaped connecting plate 2-4, and a second fixing nut 2-6 matched with the second threaded connecting rod 2-2; the third anchor plate 2-3 is pre-buried on the upper surface of a floor slab 6, a third through hole 2-41 and a fourth through hole which can penetrate through the second threaded connecting rod 2-2 are respectively formed in the second L-shaped connecting plate 2-4 and the second heat insulation base plate 2-5, one end of the second threaded connecting rod 2-2 is fixedly connected with the second anchor plate 2-1, the other end of the second threaded connecting rod penetrates out of the inner surface of the wallboard reinforcing rib layer 3-2, and the second threaded connecting rod 2-6 is in threaded connection after the second threaded connecting rod penetrates through the fourth through hole and the third through hole 2-41 in sequence.
By adopting the externally-hung connecting structure of the embodiment, in the process of on-site construction, the first anchor plate 1-1 provided with the first threaded connecting rod 1-2 and the second anchor plate 2-1 provided with the second threaded connecting rod 2-2 are both pre-embedded in the prefabricated wallboard 3, the first L-shaped connecting plate 1-3 and the second L-shaped connecting plate 2-4 are respectively and fixedly connected with the upper steel frame 4 and the lower steel frame 5, the externally-hung prefabricated wallboard 3 only needs to be hoisted to the installation position, and the prefabricated wallboard 3, the first L-shaped connecting plate 1-3 and the second L-shaped connecting plate 2-4 are fixedly connected through bolt screwing, so that the prefabricated wallboard 3 can be connected, and the construction is rapid, simple and convenient. The arrangement of the second L-shaped connecting plates 2-4 of the external hanging connecting structure enables the prefabricated wall board 3 to be partially lapped on the floor slab 6, and the dead weight of the prefabricated wall board 3 is borne by the floor slab 6. And the upper connecting assembly 1 and the lower connecting assembly 2 adopt threaded connecting rods to transmit the stress of the wallboard, the threaded connecting rods bear shearing force and pulling force, the stress is simple and clear, the safety and the reliability of the whole node can be ensured, and the heat insulation base plate arranged between the prefabricated wallboard 3 and the first L-shaped connecting plates 1-3 and the second L-shaped connecting plates 2-4 can also play the effects of heat insulation and heat bridge isolation. This external connection structure can safe and reliable's connection prefabricated wallboard 3 and steel frame promptly, and the prefabricated wallboard 3 that adopts this external connection structure can realize quick installation under the standardized prerequisite of realization side fascia production, reduces job site operation work load, improves efficiency of construction and installation quality.
Specifically, as shown in fig. 2 and 3, the first L-shaped connecting plate 1-3 comprises a first transverse plate 1-32 and a first vertical plate 1-33; the first transverse plates 1 to 32 are arranged in parallel to the lower flange of the upper steel frame beam 4 and are arranged between the upper steel frame beam 4 and the prefabricated wall plate 3, and the first transverse plates 1 to 32 are fixedly connected with the lower flange of the upper steel frame beam 4; the first vertical plates 1-33 are perpendicular to the first transverse plates 1-32 and arranged below the first transverse plates 1-32, the first vertical plates 1-33 are positioned on one sides of the first transverse plates 1-32 close to the inner surfaces of the wall plate reinforcing rib layers 3-2, and the first through holes 1-31 are opened in the first vertical plates 1-33; the first heat insulation backing plate 1-4 is an L-shaped heat insulation gasket arranged in the same direction as the first L-shaped connecting plate 1-3.
Specifically, the first L-shaped connecting plate 1-3 further includes two first stiffening ribs 1-34 for connecting the first transverse plates 1-32 and the first vertical plates 1-33, and the two first stiffening ribs 1-34 are respectively disposed on two sides of the prefabricated wall panel 3. The arrangement of the first stiffeners 1 to 34 can enhance the structural stability of the upper connecting assembly 1.
Specifically, as shown in fig. 4 and 5, the second L-shaped connecting plate 2-4 comprises a second transverse plate 2-43 and a second vertical plate 2-42; the second vertical plates 2-42 are arranged in parallel to the surface of the prefabricated wall plate 3, and the third through holes 2-41 are formed in the second vertical plates 2-42; the second transverse plates 2-43 are perpendicular to the second vertical plates 2-42, the second transverse plates 2-43 are arranged below the second vertical plates 2-42, the second transverse plates 2-43 are arranged on one sides, far away from the prefabricated wall plate 3, of the second vertical plates 2-42, the second transverse plates 2-43 are fixedly connected with the third anchor plates 2-3, the second heat insulation backing plates 2-5 are L-shaped heat insulation spacers, the vertical plate surfaces of the second spacer plates 2-5 are arranged parallel to the second vertical plates 2-42 and are provided with the fourth through holes, the transverse plate surfaces of the second spacer plates 2-5 are arranged below the vertical plate surfaces, the transverse plate surfaces of the second spacer plates 2-5 are arranged on one sides, far away from the second L-shaped connecting plates 2-4, of the vertical plate surfaces, and the transverse plate surface of the second spacer plate 2-5 is arranged between the third anchor plate 2-3 and the prefabricated wall plate 3.
Specifically, the second L-shaped connecting plate 2-4 further includes a plurality of second stiffening ribs 2-44 for connecting the second transverse plates 2-43 and the second vertical plates 2-42. For example, the second stiffeners 2 to 44 are provided in two. The provision of the second stiffeners 2 to 44 may enhance the structural stability of the lower connecting assembly 2.
Specifically, the third anchor plate 2-3 is arranged parallel to the upper flange of the lower steel frame beam 5, and the lower surface of the third anchor plate 2-3 is fixedly connected with the upper flange of the lower steel frame beam 5 through an anchor bar 2-7 penetrating through the floor slab 6.
Specifically, the anchor bars 2-7 are perpendicular to the third anchor plates 2-3, the number of the anchor bars 2-7 is multiple, and the plurality of the anchor bars 2-7 are symmetrically arranged relative to the center line of the third anchor plates 2-3. For example, as shown in fig. 6, the anchor bars 2 to 7 are provided in four.
Specifically, the first L-shaped connecting plate 1-3 and the second L-shaped connecting plate 2-4 are both made of hot bending L-shaped steel plates.
Specifically, the first heat insulation cushion plate 1-4 and the second heat insulation cushion plate 2-5 are both made of low-compressibility heat insulation materials.
Specifically, the first threaded connecting rod 1-2 and the second threaded connecting rod 2-2 are both high-strength straight threaded rods.
Specifically, the first fixing nuts 1 to 5 and the second fixing nuts 2 to 6 are both high-strength nuts.
Specifically, the fixed connection is connected in a welding mode. The first L-shaped connecting plate is firmly and reliably connected with the lower flange of the upper steel frame beam in a welding manner, and the welding seam bears shearing force, pulling force and bending moment, so that the safety and reliability of the upper connecting assembly can be ensured; the second L-shaped connecting plate is firmly and reliably connected with a third anchor plate in the floor slab in a welding manner, and the welding seam bears shearing force, pulling force and bending moment, so that the safety and reliability of the lower connecting assembly can be ensured; the embedded anchor bars welded with the third anchor plate are welded with the upper flange of the lower steel frame beam, the connecting node can bear the self weight, wind suction force and wind pressure of the externally hung prefabricated wall plate, the arrangement is reasonable, and the whole connecting node is safe and reliable.
Specifically, the first through holes 1 to 31 and the second through holes are first elliptical through holes with the same shape, and the long axis direction of the first elliptical through holes is arranged along the vertical direction; the third through holes 1-42 and the fourth through holes are second oval through holes with the same shape, the long axis direction of the second oval through holes is arranged along the longitudinal direction, and the longitudinal direction is perpendicular to the transverse direction and the vertical direction. The first through hole and the second through hole which are used for penetrating the first threaded connecting rod in the upper connecting assembly are elliptical holes which are arranged along the vertical direction in the long axis direction, and the third through hole and the fourth through hole which are used for penetrating the second threaded connecting rod in the lower connecting assembly are elliptical holes which are arranged along the longitudinal direction in the long axis direction, so that the external prefabricated large wallboard and the steel frame structure can be deformed and coordinated, and the prefabricated wallboard is prevented from being damaged by stress.
Specifically, the prefabricated wall plate 3 comprises a reinforced concrete outer wall plate layer 3-1, a wall plate reinforcing rib layer 3-2 and a heat insulation layer 3-3 which are sequentially arranged from outside to inside; the upper part of the wallboard reinforcing rib layer 3-2 is provided with a notch groove 3-21 capable of accommodating the first vertical plate 1-33; the first anchor plate 1-1 and the second anchor plate 2-1 are both pre-embedded in the reinforced concrete outer wall slab 3-1 and are welded with steel bars in the reinforced concrete outer wall slab 3-1.
Specifically, the reinforced concrete outer wall panel layer 3-1 and the wall panel reinforcing rib layer 3-2 are integrally cast into an integral structure, and the heat insulation layer 3-3 comprises an outer heat insulation layer embedded and fixed between ribs of the reinforcing rib layer 3-2 and an inner heat insulation layer positioned at the inner side of the outer heat insulation layer; the inner heat-insulating layer is provided with mounting holes for mounting the first L-shaped connecting plates 1-3 and the second L-shaped connecting plates 2-4.
Specifically, the prefabricated wall panel 3 further comprises an outer decorative surface fixed on the outer surface of the reinforced concrete outer wall panel layer 3-1 and an inner decorative surface fixed on the inner surface of the inner heat-insulating layer 3-3.
In order to better understand the self-insulation prefabricated wall panel and the external hanging connection structure thereof provided by the above embodiment, the installation process is briefly described as follows:
on one hand, a steel reinforcement framework of the reinforced concrete outer wall slab layer 3-1 is manufactured in a factory, and the first anchor plate 1-1 and the second anchor plate 2-1 are welded and fixed with the steel reinforcement framework of the reinforced concrete outer wall slab layer 3-1; then welding the first threaded connecting rod 1-2 on the first anchor plate 1-1, and welding the second threaded connecting rod 2-2 on the second anchor plate 2-1; then integrally pouring the steel reinforcement framework of the reinforced concrete outer wall slab layer 3-1 and the unified formwork of the reinforcing rib layer 3-2 with the notch grooves 3-21 together; when the strength is enough, an inner heat-insulating layer 3-3 is stuck between each rib of the reinforcing rib layer 3-2 and the inner side, and an inner decorative surface is fixed at the inner side of the inner heat-insulating layer 3-3. On the other hand, after the upper steel frame beam 4 and the lower steel frame beam 5 are manufactured in a processing plant, the anchor bars 2-7 are welded on the upper flange plate and the lower flange plate of the lower steel frame beam 5.
The field construction and installation process comprises the following steps: 1) finishing the construction of a main structure of the steel frame including the upper steel frame beam 4 and the lower steel frame beam 5, then constructing a floor slab 6 on an upper flange plate of the lower steel frame beam 5, welding a third anchor plate 2-3 on anchor bars 2-7 in the construction, and embedding the third anchor plate 2-3 into the floor slab 6 to enable the upper surface of the third anchor plate 2-3 to be level with the upper surface of a structural layer of the floor slab 6; 2) pouring the floor 6, and completing construction of the floor 6; 3) the first L-shaped connecting plate 1-3 is firmly welded with the lower flange of the upper steel frame beam according to the design position, the first stiffening ribs 1-34 are welded on the first L-shaped connecting plate 1-3, the second L-shaped connecting plate 2-4 is firmly welded with the third anchor plate 2-3 according to the design position, and the second stiffening ribs 2-44 are welded on the second L-shaped connecting plate 2-4; 4) the prefabricated wall plate 3 which is manufactured and anchored in a processing plant and comprises a first anchor plate 1-1, a first threaded connecting rod 1-2, a second anchor plate 2-1 and a second threaded connecting rod 2-2 is installed and constructed with an upper connecting component 1 and a lower connecting component 2, after the position is adjusted during installation, the first threaded connecting rod 1-2 penetrates through a low-pressure first heat insulation base plate 1-4 and then penetrates through a through hole of a first L-shaped connecting plate 1-3, and a first fixing nut 1-5 is screwed tightly; and (3) enabling the second threaded connecting rod 2-2 to penetrate through the second heat insulation base plate 2-5, then penetrating through the second L-shaped connecting plate 2-4, and screwing the second fixing nut 2-6 to finish the externally hanging installation of the prefabricated wall plate 3.
In order to better understand the connection node between the external hanging self-insulation prefabricated large wall panel and the main body structure provided by the embodiment, the calculation process of the structural parameters is described as follows:
and calculating the load of the connecting node of the external self-insulation prefabricated large wallboard and the main body structure. Wind load is calculated according to the building structure load standard (GB5009-2012)8.1.1 and 2 items, and when the envelope structure is calculated, the formula is required to be pressed
Calculating a wind load standard value; according to article 8.1.3 of building structure load Specification (GB5009-2012) and appendix E.5, the basic wind pressure W is calculated at 50-year recurrence period (R ═ 50)o(ii) a Calculating the mu at the time of wind suction according to local body shape coefficients of 8.3.3 and 8.3.5 (internal pressure of buildings) in building structure load specification (GB5009-2012)s1Mu in wind pressures2(ii) a According to the building structure load specification (GB5009-2012)8.2.1, calculating the wind pressure height change coefficient mu according to the ground roughness category and the house heightZ(ii) a According to 8.6.1 article in building structure load Specifications (GB5009-2012), calculating gust coefficient beta according to ground roughness category and house heightgz(ii) a According to the building structure load specification (GB5009-2012)8.1.1 standard values of wind load in 2 clauses and subclauses: wind pressure:
wind suction force:
and calculating the dead weight G of the externally hung self-insulation prefabricated large wall plate structure by the gravity load according to the material density of the floor plate.
The above description is only an example of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiments into equivalent variations to apply to other fields, but any simple modification, equivalent variations and modifications made to the above embodiments according to the technical matters of the present invention do not depart from the technical contents of the present invention, and still belong to the protection scope of the technical solution of the present invention.
Claims (10)
1. The externally-hung connecting structure of the self-insulation prefabricated wall panel is characterized by comprising an upper connecting component and a lower connecting component, wherein the upper connecting component is used for connecting the prefabricated wall panel and an upper steel frame beam on the upper portion of the prefabricated wall panel, and the lower connecting component is used for connecting the prefabricated wall panel and a lower steel frame beam on the lower portion of the prefabricated wall panel; taking the direction vertical to the prefabricated wall panel as the transverse direction, and taking the side surface, close to the floor slab, of the wall panel reinforcing rib layer of the prefabricated wall panel as the inner surface of the wall panel reinforcing rib layer;
the upper connecting assembly comprises a first anchor plate embedded in the prefabricated wallboard, a first threaded connecting rod arranged in the transverse direction, a first L-shaped connecting plate fixedly connected with the lower flange of the upper steel frame beam, a first heat insulation base plate arranged between the wallboard reinforcing rib layer and the first L-shaped connecting plate, and a first fixing nut matched with the first threaded connecting rod; the first L-shaped connecting plate and the first heat insulation base plate are respectively provided with a first through hole and a second through hole through which the first threaded connecting rod can penetrate, one end of the first threaded connecting rod is fixedly connected with the first anchor plate, the other end of the first threaded connecting rod penetrates through the inner surface of the reinforcing rib layer of the wallboard, and the first threaded connecting rod is connected with the first fixing nut after penetrating through the second through hole and the first through hole in sequence;
the lower connecting assembly comprises a second anchor plate embedded in the prefabricated wallboard, a second threaded connecting rod arranged in the transverse direction, a third anchor plate fixedly connected with the upper flange of the lower steel frame beam, a second L-shaped connecting plate fixedly connected with the upper surface of the third anchor plate, a second heat insulation base plate arranged between the wallboard reinforcing rib layer and the second L-shaped connecting plate, and a second fixing nut matched with the second threaded connecting rod; the third anchor plate is embedded in the upper surface of the floor slab in advance, the third through hole and the fourth through hole which can penetrate through the second threaded connecting rod are respectively formed in the second L-shaped connecting plate and the second heat insulation base plate, one end of the second threaded connecting rod is fixedly connected with the second anchor plate, the other end of the second anchor plate penetrates out of the inner surface of the wallboard reinforcing rib layer, and the second anchor plate sequentially penetrates through the fourth through hole and the third through hole and then is in threaded connection with the second fixing nut.
2. The externally hanging connecting structure of self-insulation prefabricated wall panels as claimed in claim 1, wherein the first L-shaped connecting plate comprises a first transverse plate and a first vertical plate; the first transverse plate is arranged in parallel to the lower flange of the upper steel frame beam and is arranged between the upper steel frame beam and the prefabricated wall plate, and the first transverse plate is fixedly connected with the lower flange of the upper steel frame beam; the first vertical plate is perpendicular to the first transverse plate and arranged below the first transverse plate, the first vertical plate is positioned on one side, close to the inner surface of the wallboard reinforcing rib layer, of the first transverse plate, and the first through hole is formed in the first vertical plate; the first heat insulation base plate is an L-shaped heat insulation gasket arranged in the same direction as the first L-shaped connecting plate; first L type connecting plate still includes and is used for connecting the first stiffening rib of first horizontal board and first vertical board, first stiffening rib is established to two, and locates separately prefabricated wallboard both sides.
3. The externally hanging connecting structure of self-insulation prefabricated wall panels as claimed in claim 1, wherein the second L-shaped connecting plates comprise second transverse plates and second vertical plates; the second vertical plate is arranged in parallel to the surface of the prefabricated wall plate, and the third through hole is formed in the second vertical plate; the second transverse plate is arranged perpendicular to the second vertical plate and is arranged below the second vertical plate, the second transverse plate is arranged on one side, away from the prefabricated wall board, of the second vertical plate, the second transverse plate is fixedly connected with the third anchor plate, the second heat insulation backing plate is provided with an L-shaped heat insulation gasket, the vertical plate surface of the second spacer plate is arranged parallel to the second vertical plate and is provided with the fourth through hole, the transverse plate surface of the second spacer plate is arranged below the vertical plate surface of the second spacer plate, the transverse plate surface of the second spacer plate is arranged on one side, away from the second L-shaped connecting plate, of the vertical plate surface of the second spacer plate, and the transverse plate surface of the second spacer plate is arranged between the third anchor plate and the prefabricated wall board; the second L-shaped connecting plate further comprises a plurality of second stiffening ribs for connecting the second transverse plate and the second vertical plate.
4. The externally hanging connecting structure of self-insulation prefabricated wall panel according to claim 3, wherein the third anchor plate is arranged in parallel with the upper flange of the lower steel frame beam, and the lower surface of the third anchor plate is fixedly connected with the upper flange of the lower steel frame beam through an anchor bar penetrating through the floor slab.
5. The externally hanging connecting structure of self-insulation prefabricated wall panel according to claim 4, wherein the anchor bars are arranged perpendicular to the third anchor plate, the number of the anchor bars is multiple, and the plurality of the anchor bars are symmetrically arranged relative to the center line of the third anchor plate.
6. The externally hanging connecting structure of the self-insulation prefabricated wall panel according to claim 1, wherein the first L-shaped connecting plate and the second L-shaped connecting plate are both hot-bent L-shaped steel plates; the first heat insulation base plate and the second heat insulation base plate are both made of low-compressibility heat insulation materials; the first threaded connecting rod and the second threaded connecting rod are both high-strength straight screw rods; the first fixing nut and the second fixing nut are both high-strength nuts; the fixed connection adopts a welding mode for connection.
7. The externally hanging connecting structure of a self-insulation prefabricated wall panel according to claim 1, wherein the first through hole and the second through hole are first oval through holes with the same shape, and the long axis direction of the first oval through holes is arranged along the vertical direction; the third through hole and the fourth through hole are second elliptical through holes with the same shape, and the long axis direction of the second elliptical through holes is arranged along the longitudinal direction.
8. A self-insulating prefabricated wall panel, characterized by comprising the externally hung connecting structure as claimed in any one of claims 1 to 6.
9. The self-insulation prefabricated wall board is characterized by comprising the externally hung connecting structure as claimed in claim 2, wherein the prefabricated wall board comprises a reinforced concrete outer wall board layer, a wall board reinforcing rib layer and an insulation layer which are sequentially arranged from outside to inside; the upper part of the wallboard reinforcing rib layer is provided with a notch groove capable of accommodating the first vertical plate; the first anchor plate and the second anchor plate are both pre-embedded in the reinforced concrete outer wall plate layer and welded with steel bars in the reinforced concrete outer wall plate layer.
10. The self-insulation prefabricated wall panel according to claim 9, wherein the reinforced concrete outer wall panel layer and the wall panel reinforcing rib layer are integrally cast into a whole structure, and the insulation layer comprises an outer insulation layer embedded between ribs of the reinforcing rib layer and an inner insulation layer positioned at the inner side of the outer insulation layer; the outer heat-insulating layer is provided with mounting holes for mounting the first L-shaped connecting plate and the second L-shaped connecting plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023082450.XU CN214246210U (en) | 2020-12-18 | 2020-12-18 | Self-insulation prefabricated wallboard and externally-hung connecting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023082450.XU CN214246210U (en) | 2020-12-18 | 2020-12-18 | Self-insulation prefabricated wallboard and externally-hung connecting structure thereof |
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| CN214246210U true CN214246210U (en) | 2021-09-21 |
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| CN202023082450.XU Active CN214246210U (en) | 2020-12-18 | 2020-12-18 | Self-insulation prefabricated wallboard and externally-hung connecting structure thereof |
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| CN (1) | CN214246210U (en) |
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