CN214833995U - Split sandwich type external wall panel - Google Patents
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- CN214833995U CN214833995U CN202023341684.1U CN202023341684U CN214833995U CN 214833995 U CN214833995 U CN 214833995U CN 202023341684 U CN202023341684 U CN 202023341684U CN 214833995 U CN214833995 U CN 214833995U
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Abstract
The utility model discloses a split sandwich type external wallboard, which comprises an inner layer plate and an outer layer plate which are poured by lightweight concrete, wherein a heat preservation sandwich plate is arranged between the inner layer plate and the outer layer plate, and the outer layer plate is provided with an external decorative layer facing outdoor one side; the inner layer plate comprises a steel reinforcement framework, light concrete is poured on the steel reinforcement framework, the outer layer plate comprises a steel reinforcement mesh, and the light concrete is poured on the steel reinforcement mesh; a tie bar penetrating through the heat-insulation sandwich board is arranged between the outer layer board and the inner layer board, one end of the tie bar is fixedly connected with a steel bar framework of the inner layer board, and the other end of the tie bar is fixedly connected with a steel bar mesh of the outer layer board; two upper connecting pieces are arranged at the upper end of one indoor side of the inner layer plate, and two or four lower bearing connecting pieces are arranged at the lower end of one indoor side of the inner layer plate; the heat-insulation sandwich board is arranged between the inner layer board and the outer layer board, the outer heat-insulation system is subjected to one-time composite prefabrication, the integration of heat insulation and energy conservation is realized, the self weight of the wallboard is relatively light, and the production, the transportation and the construction are convenient.
Description
Technical Field
The utility model relates to an externally-hung wallboard especially relates to a split type sandwich type externally-hung wallboard.
Background
The most difficult point of the building of the assembly type steel structure and the assembly type concrete structure system is the problems of an outer enclosure structure system and installation and connection. The difficulty lies in satisfying outer enclosure system structure safe and reliable, durable pleasing to the eye not only, and the side fascia can be out of shape with the major structure in coordination, will realize again that enclosure, fire prevention, heat preservation, syllable-dividing, integration of performance such as waterproof, anticorrosion, can also realize the side fascia lightweight, decorates outer wall, outer door and window portion article and the multi-functional integration of envelope system.
In the field of the existing assembly type building, a large number of prefabricated external wall panels are applied, and various external wall panels integrate the overall performance of external enclosure such as enclosure, heat preservation, fire prevention and seepage prevention to different degrees, but the bottleneck problems of difficult dry-wet cross construction, heavy weight, complex construction cost and the like generally exist.
The currently applied external wall cladding comprises a solid lightweight concrete slab, a sandwich heat-insulating layer wallboard of a sandwich double-faced superposed concrete slab, and a sandwich heat-insulating single-faced superposed wallboard.
For example, in the east China area, one of more external wallboard systems, namely a sandwich precast concrete sandwich heat-insulation external wallboard, is applied, wherein the thickness of an inner leaf concrete plate is 160mm, the thickness of an outer leaf concrete plate is 60mm, the thickness of a sandwich heat-insulation layer is 80mm, the total thickness of a wall body is 320mm, and the self weight of the wallboard reaches more than 550 kg/square meter; the second applied exterior wall cladding, PCF double-skin wall laminated sandwich heat-insulating wall panel, adopts the complex construction of internal casting and external hanging and wet-dry method cross construction on one hand, and the self weight of the wall panel reaches more than 700 kg/square meter on the other hand; the self weight of the wall board leads to the increase of the steel content of the main body structure and the increase of the construction cost; certain construction and use safety problems also exist; in addition, the external wall panel system has weak links such as cold and hot bridge condensation, single external facade decoration effect and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a split type sandwich type externally-hung wallboard that simple installation, thermal-insulated effectual keeps warm is provided, is a lightweight wallboard that performance such as collection enclosure, fire prevention, heat preservation, sound insulation, waterproof, anticorrosive as an organic whole.
In order to solve the technical problem, the technical scheme of the utility model is that: the split sandwich type external wallboard comprises an inner layer board and an outer layer board which are cast by lightweight concrete, wherein a heat-insulation sandwich board is arranged between the inner layer board and the outer layer board, and an external decorative layer is arranged on one outdoor side of the outer layer board;
the inner layer plate comprises a steel reinforcement framework, the light concrete is poured on the steel reinforcement framework, the outer layer plate comprises a steel reinforcement mesh, and the light concrete is poured on the steel reinforcement mesh; a tie bar penetrating through the heat-insulation sandwich board is arranged between the outer layer board and the inner layer board, one end of the tie bar is fixedly connected with a steel bar framework of the inner layer board, and the other end of the tie bar is fixedly connected with a steel bar mesh of the outer layer board;
two upper connecting pieces are installed at the upper end of the indoor side of the inner plate, and two or four lower bearing connecting pieces are installed at the lower end of the indoor side of the inner plate.
As a preferred technical scheme, the tie bar comprises a U-shaped connector, one end of which is connected with the steel reinforcement framework of the inner plate in a welding and anchoring manner, and the other end of which is connected with the steel reinforcement mesh of the outer plate in a welding and anchoring manner.
As a preferred technical scheme, the upper connecting piece comprises an internal thread sleeve embedded in the inner-layer plate, one end of the internal thread sleeve is fixedly connected with the steel reinforcement framework, and the other end of the internal thread sleeve is flush with the indoor side surface of the inner-layer plate.
As a preferred technical scheme, the upper connecting piece comprises a tie bolt with one end embedded in the inner-layer plate, and the other end of the tie bolt extends out of the inner-layer plate and is provided with a connecting thread.
As a preferred technical scheme, the lower bearing connecting piece comprises a bearing bracket, one end of the bearing bracket is embedded in the inner-layer plate and is fixedly connected with the steel reinforcement framework, and the other end of the bearing bracket extends out of the indoor side of the inner-layer plate.
As a preferred technical scheme, the bearing connecting piece is including pre-buried down bearing weld plate in the inner plating, bearing weld plate pass through the reinforcing bar with framework of steel reinforcement fixed connection, bearing weld plate's welding terminal surface with the indoor side surface of inner plating flushes, the welding has the bearing bracket on the bearing weld plate.
As a preferred technical scheme, the inner plate and the outer plate are provided with window openings, four reinforcing ribs are arranged on the outer end face of the reinforcing cage of the inner plate and the outer end face of the reinforcing mesh of the outer plate, and the reinforcing ribs are distributed at four corners of the window openings.
Due to the adoption of the technical scheme, the split sandwich type external wallboard comprises an inner layer board and an outer layer board which are cast by lightweight concrete, wherein a heat-insulation sandwich board is arranged between the inner layer board and the outer layer board, and an external decorative layer is arranged on one outdoor side of the outer layer board; the inner layer plate comprises a steel reinforcement framework, the light concrete is poured on the steel reinforcement framework, the outer layer plate comprises a steel reinforcement mesh, and the light concrete is poured on the steel reinforcement mesh; a tie bar penetrating through the heat-insulation sandwich board is arranged between the outer layer board and the inner layer board, one end of the tie bar is fixedly connected with a steel bar framework of the inner layer board, and the other end of the tie bar is fixedly connected with a steel bar mesh of the outer layer board; the upper end of the indoor side of the inner layer plate is provided with two upper connecting pieces, and the lower end of the indoor side of the inner layer plate is provided with two or four lower bearing connecting pieces; the heat-insulation sandwich board is arranged between the inner layer board and the outer layer board, the outer heat-insulation system is subjected to one-time composite prefabrication, the integration of heat insulation and energy conservation is realized, the self weight of the wallboard is relatively light, and the production, the transportation and the construction are convenient.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
FIG. 1 is a front view of a wall panel with an opening according to an embodiment of the present invention;
FIG. 2 is a rear view of an embodiment of the present invention having an opening wall panel;
FIG. 3 is a sectional view taken along line A-A of FIG. 1;
FIG. 4 is a sectional view taken along line B-B of FIG. 1;
fig. 5 is a first assembly state diagram of the embodiment of the present invention;
FIG. 6 is a second assembly diagram of the embodiment of the present invention;
in the figure: 11-inner layer plate; 12-outer laminates; 13-heat preservation sandwich board; 14-a mesh reinforcement; 2-tie the tendon; 31-a tie bolt; 32-upper connection adapter; 33-an internal thread sleeve; 34-upper connecting bolt; 41-load bearing corbels; 42-a load-bearing bolt; 43-lower connecting glide; 5-window opening.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1 and 2, the split sandwich type external wall panel, as shown in fig. 3 and 4, includes an inner plate 11 and an outer plate 12 made of light concrete, a heat insulation sandwich plate 13 is disposed between the inner plate 11 and the outer plate 12, and an external facing layer (not shown in the figure) is disposed on one outdoor side of the outer plate 12; the inner-layer plate 11 comprises a steel reinforcement framework (not shown in the figure), the steel reinforcement framework of the inner-layer plate 11 adopts a steel reinforcement framework for pouring a concrete slab, which is commonly used in the prior art, and the specific structure is not described again; the light concrete is poured on the steel bar framework, the light concrete is ceramsite concrete, the outer plate 12 comprises a steel bar mesh 14, the steel bar mesh 14 is formed by steel bars which are criss-cross and connected together, the light concrete is poured on the steel bar mesh 14, and the light concrete is ceramsite concrete; a tie bar 2 penetrating through the heat-insulation sandwich board 13 is arranged between the outer layer board 12 and the inner layer board 11, one end of the tie bar 2 is fixedly connected with a steel bar framework of the inner layer board 11, and the other end of the tie bar 2 is fixedly connected with a steel bar mesh 14 of the outer layer board 12; two upper connecting pieces are installed at the upper end of the indoor side of the inner plate 11, and two or four lower bearing connecting pieces are installed at the lower end of the indoor side of the inner plate 11.
The tie bar 2 comprises a U-shaped connecting piece, one end of the U-shaped connecting piece is connected with the steel reinforcement framework of the inner layer plate 11 in a welding and anchoring mode, and the other end of the U-shaped connecting piece is connected with the steel reinforcement mesh 14 of the outer layer plate 12 in a welding and anchoring mode.
As shown in fig. 5, the upper connecting member includes a tie bolt 31 having one end embedded in the inner plate 11, and the other end of the tie bolt 31 extends out of the inner plate 11 and is provided with a connecting thread. The tie bolt 31 is connected with the bottom end of the support beam through an upper connecting adapter piece 32.
As another specific embodiment, as shown in fig. 6, the upper connecting member includes an inner wire sleeve 33 pre-embedded in the inner-layer plate 11, one end of the inner wire sleeve 33 is fixedly connected to the steel bar framework, the other end of the inner wire sleeve 33 is flush with the indoor side surface of the inner-layer plate 11, and the inner wire sleeve 33 is connected to the bottom end of the supporting beam through an upper connecting bolt 34 and an upper connecting adaptor 32.
As shown in fig. 5, the lower load-bearing connector includes a load-bearing bracket 41, one end of which is embedded in the inner plate 11 and is fixedly connected to the steel reinforcement framework, and the other end of which extends out of the indoor side of the inner plate 11.
As another specific implementation manner, the lower bearing connecting piece includes pre-buried bearing welded plate (not shown in the figure) in the inner-layer plate 11, bearing welded plate pass through the reinforcing bar with framework of steel reinforcement fixed connection, the welding terminal surface of bearing welded plate with the indoor side surface of inner-layer plate 11 flushes, the welding has bearing bracket 41 on the bearing welded plate.
The inner plate 11 and the outer plate 12 are provided with window openings 5, four reinforcing ribs (not shown in the figure) are arranged on the outer end face of the steel reinforcement framework of the inner plate 11 and the outer end face of the steel reinforcement mesh 14 of the outer plate 12, and the reinforcing ribs are distributed at four corners of the window openings 5.
The exterior finish coat can be customized as required, such as a real stone paint layer, a fair-faced concrete slab, an artistic pattern plate, an exterior wall paint, a stone-like coating, a metal plate, a ceramic plate, a granite thin plate and the like, so as to form a rich and changeable, beautiful and elegant exterior finish.
The reinforced frameworks are arranged in the inner layer plate 11 and the outer layer plate 12, the tie bars 2 are arranged between the inner layer plate 11 and the outer layer plate 12, the framework of the whole wallboard is formed, the mechanical property of the wallboard can be guaranteed, compared with the common reinforced concrete prefabricated external wallboard, the external wallboard is large in overall rigidity and excellent in anti-seismic property, easily meets the anti-seismic design standard, is suitable for all kinds of buildings in a six-degree to nine-degree earthquake defense area, covers all types of houses, public buildings and industrial buildings from a low-rise building, a multi-rise building to a high-rise building and an ultra-high-rise building, and is also suitable for reconstruction of the existing buildings.
The steel reinforcement framework in the inner-layer ceramsite concrete plate and the steel reinforcement mesh 14 of the outer enclosure plate are connected together through uniformly distributed tie bars 2, the inner-layer plate 11 and the outer-layer plate 12 clamp the heat-insulation sandwich plate 13 in the middle to form a three-layer composite wallboard, the outer decorative layer of the wallboard is poured in advance before the ceramsite concrete of the outer-layer plate 12 is poured, or the stone plate and the magnetic plate are poured in advance by adopting a reverse beating process, then the outer-layer plate 12 is poured, then the middle heat-insulation sandwich plate 13 is paved, the stainless steel U-shaped connecting piece anchored in the outer-layer plate 12 is anchored with the steel reinforcement framework in the inner-layer plate 11, and finally the ceramsite concrete of the inner-layer plate 11 is poured, so that the integrated prefabrication of the external wallboard, decoration, enclosure, heat insulation and fire prevention is realized.
A plurality of demolding lifting appliances are pre-embedded on the end face, facing the indoor side, of the wallboard, four demolding lifting appliances are preferably arranged, the four demolding lifting appliances are symmetrically distributed on the wallboard, and an installation lifting appliance is pre-embedded at the top end of the wallboard, so that the wallboard is convenient to hoist and use during installation.
Aiming at the market demands of light weight, high strength, high performance and individuation, the application provides a high-performance and multifunctional composite external wall board enclosure system, which completely meets the functional demands of structure, enclosure, heat preservation, fire prevention, water prevention, sound insulation and the like, and simultaneously, the external decoration, the door and window and the enclosure wall board are integrally prefabricated, so that the diversified and elegant building external facade effect can be fully expressed.
The utility model discloses when having made things convenient for the construction in the very big degree, also reduced the construction cost of engineering project. Because all the parts of the exterior wall enclosure system are manufactured in factories and assembled by industrial workers in a dry construction method on site, the exterior wall enclosure system has good quality, high installation speed and no pollution. The weight of the wall body of the system is only 220 kg/square meter to 240 kg/square meter, and the weight of the wall body is reduced by more than 30 percent compared with the weight of the traditional external wall and is reduced by more than 56 to 65 percent compared with the weight of the traditional prefabricated sandwich heat-insulation wall panel. The cost per square meter can be reduced by more than 30 percent.
The technical scheme integrates the exterior facade decoration and the wallboard production process, accurately determines the process structure combination of the wallboard such as a template, a reinforcing bar, an embedded part, a door and window, heat preservation, fire prevention, water prevention, pipeline embedding, exterior facade decoration and the like, completes the exterior wall enclosure system integrated product in a factory at one time, and reduces the field construction workload and the installation difficulty; secondly, the exterior wall parts with multiple performances and multiple functions such as structure, enclosure, decoration and the like are integrated and manufactured in a factory, and are refined and optimized in the production process of each specialty and each process for industrial manufacturing, so that the quality effect of the exterior wall enclosure product can be ensured. The efficiency is improved, the material is saved, and the construction period and a large amount of manual work, template work and wet work can be saved in site operation.
Split type sandwich type externally-hung wallboard have following characteristics and beneficial effect on structure, material and connected mode:
1. the integrated external hanging wallboard is formed by combining a prefabricated lightweight aggregate concrete sandwich heat-insulation wallboard and a heat-insulation and fireproof decoration integrated board. The prefabricated wall plate and the door and window are preassembled in a factory and are formed in one step, so that the leakage problem of the outer window is thoroughly solved.
2. The external wall panel and the main structure are installed in a point supporting connection mode, the lower end bears the load, and the upper end mainly plays a role in drawknot fixing. The connected node comprises wallboard lower extreme connecting piece and support, and the support welds on the major structure beam slab. The wallboard upper end M20 connecting piece adopts pre-buried wallboard bolt sleeve to be connected with L shaped steel adaptor.
3. The external integral external wall-hung wallboard adopts a double protection system of the enclosure wall body: the exterior decorative surface layer coating plate, the fireproof heat-preservation silicon-plastic plate, the ceramsite concrete sandwich heat-preservation externally-hung wallboard, the exterior wall door and window, the decorative line and other exterior enclosure material parts are integrated into a whole to achieve 100% deep fusion.
The complete external wall system product is finished in a factory, transported to a construction site, operated by a whole dry construction method, and installed on a beam column frame of an engineering main structure, so that the construction is greatly facilitated, and the labor is saved.
4. The door frame, window frame and wall board have good heat-insulating property.
The decoration and heat insulation integrated plate compounded by the fiber cement coating plate and the A-grade silicon-plastic fireproof heat insulation plate is adopted to carry out full-coverage sealing anchoring on gaps between the externally hung concrete sandwich heat insulation wall plate and the door and window frame, so that the technology of fully breaking cold and hot bridges on the outer wall surface is realized.
5. The wallboard lightweight characteristic is outstanding: the cost is saved by 30%, the unit dead weight of the external wall panel is only 220-240 kg/square meter, the weight is reduced by more than 30% compared with the traditional external wall, and the weight is reduced by more than 56-65% compared with the existing fabricated external wall panel on test points. The cost per square meter is saved by more than 30 percent.
6. By adopting the integrated outer wall enclosure system, the steel structure system, the concrete structure system and the outer enclosure system are tightly fused, harmonious and unified, the construction is convenient, and the change of the outer vertical surface is rich. Due to the rapid promotion of the technology of the fiber cement coating plate veneer layer, the decoration effect of rich colors and various texture imitation can be achieved, so that the diversified and differentiated decoration effect of the outer vertical surface of the fabricated building can be completely realized.
7. In the technical scheme, the external wall panel adopts the process of integrating and compounding the lightweight aggregate concrete sandwich heat-insulation wall panel such as prefabricated ceramsite and the external wall decoration heat-insulation fireproof integrated plate, so that the problem of external wall enclosure energy-saving external heat-insulation full bridge cut-off is comprehensively solved. The manufacturing, production and installation construction efficiency of the assembly type part of the outer wall is greatly improved, and the service life of the outer wall enclosure system is the same as that of the main structure. Its advantages are thin and light structure, low cost, and high efficiency. The method solves the common quality problems of non-durability, unreliability, leakage, cracking and falling of a large number of existing external wall external insulation methods, particularly the method of externally pasting insulation board thin plastering systems, and fundamentally and comprehensively improves the quality safety and reliability of the external wall enclosure system, and the appearance is durable and beautiful.
8. The technical scheme integrates the decoration, heat preservation, fire prevention and water prevention composite structure with the enclosing external wall body, has stable and reliable assembly quality, simple and efficient construction, labor and material saving and money saving, and has particularly outstanding cost performance. Can replace a large number of systems of dry-hanging stone materials, externally-hung ceramic plates, externally-hung metal curtain walls and the like of the outer wall in the traditional process. Reduce the engineering cost and improve the overall quality.
9. The exterior integrated exterior wall enclosure system series products can be integrated with the existing mainstream structure types and various structure systems (steel structures, reinforced concrete combined structures, frame systems, shear wall systems, frame shear wall systems and the like), and are comprehensively suitable for low-rise, multi-rise, high-rise and super high-rise houses and public buildings, industrial buildings and the transformation of the existing buildings. Has the application advantages of 'good and easy operation, safety, reliability, maturity, matching, economy and applicability', and the product has huge upgrade space.
10. The wallboard installing and connecting system of the technical scheme carries out iterative optimization on the currently applied external wallboard installing nodes; firstly, the sliding connecting piece on the node adopts the M20 bolt internal thread sleeve 33 pre-embedded in the wallboard, and the connecting bolt and the L-shaped steel of the upper sliding connecting piece are pre-assembled before installation, so that not only is the three pre-adjustment flexibly performed during installation, but also the connecting piece is welded with the embedded piece of the main body structure after the positioning, connecting and fixing, and the wallboard is tidy, convenient, simple and smooth during manufacturing; secondly, a pre-buried bearing limit connecting piece is arranged below the node wallboard, an M30 supporting bolt and an inner wire sleeve 33 are pre-installed on the extending part of the bracket of the U-shaped steel plate, and the inner part of the pre-buried bracket wallboard of the bracket is welded and anchored with a middle skeleton of the plate, so that the rigidity of the bracket is high, the section is small, the assembly, in-place connection is simple, convenient and safe, and fine tuning positioning in the vertical direction is facilitated; the node can be combined and constructed by the same connecting piece, and two changes of a transverse hole or a vertical hole of a screw hole on the L-shaped steel of the adapter piece are only made, so that the node can be converted and applied to two mounting and connecting modes of point supporting motion modes, can be used as a rotary sliding node and a translational sliding node, is convenient to design and select, saves material cost, improves mounting work efficiency, and can be widely applied to various assembly type building enclosure external wall panels, particularly to a unit type whole-room external wall panel and large-size curtain wall engineering.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. Split type sandwich type externally-hung wallboard, its characterized in that: the heat-insulation sandwich plate comprises an inner layer plate and an outer layer plate which are poured by lightweight concrete, wherein a heat-insulation sandwich plate is arranged between the inner layer plate and the outer layer plate, and an outer decorative layer is arranged on one outdoor side of the outer layer plate;
the inner layer plate comprises a steel reinforcement framework, the light concrete is poured on the steel reinforcement framework, the outer layer plate comprises a steel reinforcement mesh, and the light concrete is poured on the steel reinforcement mesh; a tie bar penetrating through the heat-insulation sandwich board is arranged between the outer layer board and the inner layer board, one end of the tie bar is fixedly connected with a steel bar framework of the inner layer board, and the other end of the tie bar is fixedly connected with a steel bar mesh of the outer layer board;
two upper connecting pieces are installed at the upper end of the indoor side of the inner plate, and two or four lower bearing connecting pieces are installed at the lower end of the indoor side of the inner plate.
2. The split sandwich type outer wall panel of claim 1, wherein: the tie bar comprises a U-shaped connecting piece, one end of the U-shaped connecting piece is connected with the reinforcement cage of the inner layer plate in a welding and anchoring mode, and the other end of the U-shaped connecting piece is connected with the reinforcement mesh of the outer layer plate in a welding and anchoring mode.
3. The split sandwich type outer wall panel of claim 1, wherein: go up the connecting piece including pre-buried internal thread sleeve in the inner plating, the telescopic one end of internal thread with framework of steel reinforcement fixed connection, the telescopic other end of internal thread with the indoor side surface of inner plating flushes.
4. The split sandwich type outer wall panel of claim 1, wherein: the upper connecting piece comprises a tie bolt with one end embedded in the inner-layer plate, and the other end of the tie bolt extends out of the inner-layer plate and is provided with a connecting thread.
5. The split sandwich type outer wall panel of claim 1, wherein: the lower bearing connecting piece comprises a bearing bracket, one end of the bearing bracket is embedded in the inner-layer plate, the bearing bracket is fixedly connected with the steel reinforcement framework, and the other end of the bearing bracket extends out of the indoor side of the inner-layer plate.
6. The split sandwich type outer wall panel of claim 1, wherein: the bearing connecting piece is including pre-buried down bearing welded plate in the inner plating, bearing welded plate pass through the reinforcing bar with framework of steel reinforcement fixed connection, bearing welded plate's welding terminal surface with the indoor side surface of inner plating flushes, the welding has the bearing bracket on the bearing welded plate.
7. The split sandwich type outer wall panel of any one of claims 1 to 6, wherein: the inner layer board and the outer layer board are provided with window openings, four reinforcing ribs are arranged on the outer end face of the reinforcing rib framework of the inner layer board and the outer end face of the reinforcing mesh of the outer layer board, and the reinforcing ribs are distributed at four corners of the window openings.
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| CN202023341684.1U CN214833995U (en) | 2020-12-31 | 2020-12-31 | Split sandwich type external wall panel |
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| CN202023341684.1U CN214833995U (en) | 2020-12-31 | 2020-12-31 | Split sandwich type external wall panel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116044158A (en) * | 2021-12-28 | 2023-05-02 | 陕西建工集团股份有限公司 | Construction method of recyclable light high-strength self-heat-preservation metal external wall panel |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116044158A (en) * | 2021-12-28 | 2023-05-02 | 陕西建工集团股份有限公司 | Construction method of recyclable light high-strength self-heat-preservation metal external wall panel |
| CN116044158B (en) * | 2021-12-28 | 2023-11-28 | 陕西建工集团股份有限公司 | Construction method of recyclable light high-strength self-heat-preservation metal external wall panel |
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Effective date of registration: 20231115 Address after: No. 1068 Wei'an Road, Fangzi District, Weifang City, Shandong Province, 261200 Patentee after: Weifang Lvcheng Mild Building Technology Co.,Ltd. Address before: Room 1305, building a, Weifang Construction Engineering Trade Training Center, 465 Wenhua Road, Kuiwen District, Weifang City, Shandong Province, 261000 Patentee before: SHANDONG YUANMENG GREEN BUILDING TECHNOLOGY Co.,Ltd. |