CN112922224B - Prefabricated external wall panel - Google Patents
Prefabricated external wall panel Download PDFInfo
- Publication number
- CN112922224B CN112922224B CN202110397294.6A CN202110397294A CN112922224B CN 112922224 B CN112922224 B CN 112922224B CN 202110397294 A CN202110397294 A CN 202110397294A CN 112922224 B CN112922224 B CN 112922224B
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- Prior art keywords
- connecting rod
- limiting
- ring
- base layer
- wall panel
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- 230000000694 effects Effects 0.000 abstract description 5
- 238000002360 preparation method Methods 0.000 abstract description 5
- 238000005253 cladding Methods 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 9
- 239000011247 coating layer Substances 0.000 description 7
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
- E04C2/46—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose specially adapted for making walls
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Load-Bearing And Curtain Walls (AREA)
Abstract
The application relates to a prefabricated external wall panel, which relates to the field of wall panel preparation, and aims to solve the problem that after the external wall panel is used for a long time, the adhesive part between every two base layer panels is easy to embrittle, so that the stability of connection between every two base layer panels is reduced; both ends of the connecting rod are inserted into the cladding layer. This application has the effect that improves the stability of connecting between each base plate board in the prefabricated wallboard.
Description
Technical Field
The application relates to the field of wallboard preparation, especially relates to a prefabricated external wall panel.
Background
The prefabricated wall board is a wall body which is pre-installed or spliced on the ground, the construction speed of a rising-rise building is increased, and the prefabricated wall board is suitable for areas with limited sites.
The existing prefabricated wall board comprises a plurality of base layer boards 2 which are overlapped with each other, wherein the base layer boards 2 are fixed through gluing, and a coating layer 1 for pouring concrete is coated outside the base layer boards 2; the effect is different between each base plate 2 to prefabricate the compound wallboard of many kinds of effects.
In view of the above-mentioned related art, the inventors of the present invention have considered that the joints between the base sheets are easily embrittled after the external wall panel is used for a long time, and the stability of the connection between the base sheets is reduced, so that the improvement is desired.
Disclosure of Invention
In order to improve the stability of connecting between each base plate in the prefabricated wallboard, this application provides a prefabricated external wall panel.
The application provides a prefabricated external wall panel adopts following technical scheme:
a prefabricated external wall panel comprises a coating layer and a plurality of base plate plates, wherein the coating layer wraps the base plate plates, connecting rods are arranged between the base plate plates, a plurality of thread sections are arranged on the connecting rods, limiting rings are in threaded connection with the thread sections, each limiting ring is positioned between adjacent base plate plates, through holes for the connecting rods to be inserted are formed in the base plate plates, embedded ring grooves are formed in the positions, located at the through holes, of two sides of each base plate in the thickness direction, and each limiting ring is embedded in the embedded ring grooves of the adjacent base plate; and two ends of the connecting rod are inserted into the cladding layer.
By adopting the technical scheme, the base plate is sleeved on the connecting rod through the through hole, the limiting ring is screwed into the embedded ring groove through the thread section, then a base plate is taken, the newly taken base plate is sleeved on the connecting rod through the through hole, the limiting ring is smoothly embedded into the embedded ring groove of the newly taken base plate, and the steps are repeated until all the base plates are sleeved on the connecting rod; placing and fixing a plurality of prefabricated base layer plates in an outer wall plate mould, pouring concrete into the outer wall plate mould, forming a coating layer after the concrete is solidified, and demoulding to obtain a prefabricated outer wall plate; through the cooperation of connecting rod and spacing ring, spacing to having carried on between each base plate, improve the stability of connecting between each base plate in the prefabricated wallboard.
Optionally, the diameter of the bottom of the embedded ring groove is smaller than that of the notch of the embedded ring groove, and the diameter of the bottom of the embedded ring groove is consistent with that of the limiting ring.
Through adopting above-mentioned technical scheme, be clearance fit between embedding annular groove notch and the spacing ring, it is comparatively convenient to make the spacing ring inlay to put in embedding notch, has improved the efficiency that the spacing ring inlays to put in embedding annular.
Optionally, the connecting rod is sleeved with a plurality of elastic rings, and the elastic rings are respectively located on two sides of each limiting ring.
Through adopting above-mentioned technical scheme, the elastic ring is contradicted on the connecting rod, has carried on spacingly to the position of spacing ring, and the elastic ring pastes with the spacing ring mutually simultaneously, and the coefficient of friction of elastic ring is great, has reduced the spacing ring pivoted condition and has taken place, has further improved the stability of spacing ring position on the connecting rod.
Optionally, both ends of the connecting rod are provided with limiting assemblies, and the limiting assemblies can be vertically arranged with the connecting rod.
Through adopting above-mentioned technical scheme, perpendicular setting between spacing subassembly and the connecting rod for the coating that is formed by concrete placement is difficult to drop from the base plate board, has improved the stability of being connected between coating and the base plate board.
Optionally, the limiting assembly includes a limiting cylinder and a limiting short rod, two ends of the connecting rod are rotatably connected with the limiting cylinder, the limiting short rod is inserted into the limiting cylinder, a limiting long groove is formed in the inner side wall of the limiting cylinder, a limiting block is arranged on the side wall of the limiting short rod far away from the connecting rod, and the limiting block is inserted into the limiting long groove.
By adopting the technical scheme, the limiting cylinder is rotated, the limiting short rod is drawn out of the limiting cylinder, the limiting block moves in the limiting long groove at the moment, and stops moving after being attached to the inner side wall of the limiting long groove, and the limiting cylinder and the limiting short rod form a structure vertical to the connecting rod at the moment; spacing subassembly convenient operation is swift, efficiency when having improved prefabricated wallboard preparation.
Optionally, the diameter of the limiting cylinder is smaller than the diameter of the connecting rod, and the joint of the limiting cylinder and the connecting rod is located on the end wall of the connecting rod.
Through adopting above-mentioned technical scheme, the diameter of a spacing section of thick bamboo is less than the diameter of connecting rod, has reduced the spacing ring cover and has established the in-process of connecting rod and the condition emergence of the damage of a spacing section of thick bamboo.
Optionally, the limiting assembly comprises a limiting rod and a connecting half rod, the connecting half rod is connected with the limiting rod, a connecting notch is formed in the connecting rod, the connecting half rod is embedded in the connecting notch, and the limiting rod is connected with the end wall of the connecting rod in a rotating mode near the end portion of the connecting half rod.
Through adopting above-mentioned technical scheme, rotate the gag lever post, gag lever post and the equal perpendicular to connecting rod of half pole of connection this moment, spacing subassembly convenient operation is swift, has improved the efficiency when prefabricated wallboard preparation.
Optionally, be provided with the deformation pad on connecting the end wall that half pole is close to the connecting rod direction, the deformation pad can be contradicted on the connection notch inside wall.
Through adopting above-mentioned technical scheme, deformation pad can contradict on the connection breach inside wall, and the state when making and connecting half pole and gag lever post and connecting rod be in same straight line is more stable, has reduced when installing each base plate, and the frequent pivoted condition of connecting half pole and gag lever post takes place.
Optionally, the side wall of the deformation pad close to the direction of the connecting rod is provided with a guide surface.
Through adopting above-mentioned technical scheme, the setting of spigot surface is convenient for deformation pad and is contradicted to in connecting the breach.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the matching effect of the connecting rods and the limiting rings, the base plate plates are limited, and the connection stability of the base plate plates in the prefabricated wall plate is improved;
2. the limiting cylinder is rotated, the limiting short rod is pulled out of the limiting cylinder, the limiting block moves in the limiting long groove at the moment, and the limiting cylinder and the limiting short rod form a structure vertical to the connecting rod at the moment; the limiting assembly is convenient and quick to operate, and the efficiency of manufacturing the prefabricated wall board is improved;
3. rotate the gag lever post, the gag lever post is at this moment all perpendicular to connecting rod with connect half pole, and spacing subassembly convenient operation is swift, has improved the efficiency when prefabricated wallboard preparation.
Drawings
Fig. 1 is a schematic structural diagram of the related patent.
Fig. 2 is a schematic structural diagram of a prefabricated external wall panel in example 1 of the present application.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a schematic structural diagram of a prefabricated external wall panel in example 2 of the present application.
Fig. 5 is an enlarged schematic view of a portion B in fig. 4.
Description of reference numerals: 1. a coating layer; 2. a base layer plate; 21. a through hole; 22. embedding the ring groove; 3. a connecting rod; 31. a threaded section; 32. a limiting ring; 33. an elastic ring; 34. a connecting gap; 4. a limiting component; 41. a limiting cylinder; 411. a limiting long groove; 42. a short limiting rod; 421. a limiting block; 43. a limiting rod; 44. connecting the half-rods; 441. a deformation pad; 442. a guide surface.
Detailed Description
The present application is described in further detail below with reference to figures 2-5.
The embodiment of the application discloses prefabricated external wall panel.
Example 1
Referring to fig. 2, the prefabricated external wall panel comprises a coating layer 1 and a plurality of base plate plates 2, wherein the base plate plates 2 are arranged in an overlapped mode, a plurality of through holes 21 are formed in the base plate plates 2, the through holes 21 are uniformly formed in the base plate plates 2, connecting rods 3 are inserted into the positions, located in the through holes 21, of the base plate plates 2, and each connecting rod 3 penetrates through each base plate 2; both ends of connecting rod 3 are embedded in coating 1, and coating 1 is formed by concrete placement.
Referring to fig. 2 and 3, the connecting rod 3 is provided with a plurality of threaded sections 31, the plurality of threaded sections 31 are uniformly arranged on the connecting rod 3, the connecting rod 3 is sleeved with a plurality of limiting rings 32, the limiting rings 32 are connected to the connecting rod 3 through the threaded sections 31, and each limiting ring 32 is positioned between adjacent base plate plates 2; the connecting rod 3 is sleeved with a plurality of elastic rings 33, the elastic rings 33 are rubber rings, the elastic rings 33 are sleeved on the connecting rod 3 in an interference fit manner, and the elastic rings 33 are respectively positioned on two sides of each limiting ring 32.
Referring to fig. 3, embedding ring grooves 22 are formed in the through holes 21 on both sides of the base layer plate 2 in the thickness direction, and each limiting ring 32 is embedded in the embedding ring groove 22 of the adjacent base layer plate 2; the diameter of the bottom of the embedded ring groove 22 is smaller than that of the notch of the embedded ring groove 22, and the diameter of the bottom of the embedded ring groove 22 is consistent with that of the limiting ring 32; after the base plate 2 is sleeved on the connecting rod 3 through the through hole 21, the elastic ring 33 is sleeved on the connecting rod 3, the limiting ring 32 is screwed into the embedding ring groove 22 through the thread section 31, the elastic ring 33 is sleeved on the connecting rod 3 again, at the moment, one base plate 2 is taken again, the newly taken base plate 2 is sleeved on the connecting rod 3 through the through hole 21, the limiting ring 32 is smoothly embedded into the embedding ring groove 22 of the newly taken base plate 2, and the steps are repeated until all the base plates 2 are sleeved on the connecting rod 3.
Referring to fig. 3, the two ends of the connecting rod 3 are symmetrically provided with the limiting assemblies 4, each limiting assembly 4 comprises a limiting cylinder 41 and a limiting short rod 42, the diameter of each limiting cylinder 41 is smaller than the diameter of the connecting rod 3, the limiting cylinders 41 are rotatably connected with the connecting rods 3 through pin shafts, the connecting positions of the limiting cylinders 41 and the connecting rods 3 are located on the end walls of the connecting rods 3, the limiting short rods 42 are inserted into the limiting cylinders 41, the inner side walls of the limiting cylinders 41 start to be provided with limiting long grooves 411, the limiting long grooves 411 are internally provided with limiting blocks 421 in a sliding mode, the limiting blocks 421 slide in the limiting long grooves 411 along the length direction of the limiting cylinders 41, and the limiting blocks 421 and the limiting short rods 42 are integrally formed.
The implementation principle of the embodiment 1 is as follows: firstly, after the base plate 2 is sleeved on the connecting rod 3 through the through hole 21, the elastic ring 33 is sleeved on the connecting rod 3, the limiting ring 32 is screwed into the embedded ring groove 22 through the thread section 31, the elastic ring 33 is sleeved on the connecting rod 3 again, then, a base plate 2 is taken, a newly taken base plate 2 is sleeved on the connecting rod 3 through the through hole 21, the limiting ring 32 is smoothly embedded into the embedded ring groove 22 of the newly taken base plate 2, and the steps are repeated until all the base plates 2 are sleeved on the connecting rod 3; at the moment, a plurality of base plate plates 2 which are prepared in advance are placed and fixed in an outer wall plate mould, the limiting cylinder 41 is rotated, the limiting short rod 42 is pulled out of the limiting cylinder 41, the limiting block 421 moves in the limiting long groove 411 at the moment, the limiting block 421 stops moving after being attached to the inner side wall of the limiting long groove 411, the limiting cylinder 41 and the limiting short rod 42 form a structure perpendicular to the connecting rod 3, concrete is poured into the outer wall plate mould, the limiting cylinder 41 and the limiting short rod 42 are located in the concrete, the cladding layer 1 is formed after the concrete is solidified, and the prefabricated outer wall plate is obtained after demoulding; through the cooperation of connecting rod 3 with spacing ring 32, spacing to having carried on between each base plate 2, improve the stability of connecting between each base plate 2 in the prefabricated wallboard.
Example 2
Referring to fig. 4 and 5, the embodiment is different from embodiment 1 in that both ends of the connecting rod 3 are symmetrically provided with the limiting assemblies 4, each limiting assembly 4 includes a limiting rod 43 and a connecting half rod 44, the connecting half rod 44 and the limiting rod 43 are integrally formed, the end portion of the limiting rod 43 close to the connecting half rod 44 is rotatably connected with the end wall of the connecting rod 3 through a pin, the connecting notch 34 is formed in the connecting rod 3, and the connecting half rod 44 is embedded in the connecting notch 34.
Referring to fig. 5, a deformation pad 441 is disposed on an end wall of the connecting half rod 44 in the direction close to the connecting rod 3, the deformation pad 441 is fixed on the connecting half rod 44 by gluing, the deformation pad 441 may be a rubber pad, and a guide surface 442 is disposed on a side wall of the deformation pad 441 in the direction close to the connecting rod 3; when the limiting rod 43 and the connecting rod 3 are located on the same straight line, the deformation pad 441 can abut against the inner side wall of the connecting notch 34.
The implementation principle of the embodiment 2 is as follows: firstly, after a base plate 2 is sleeved on a connecting rod 3 through a through hole 21, an elastic ring 33 is sleeved on the connecting rod 3, a limiting ring 32 is screwed into an embedded ring groove 22 through a threaded section 31, the elastic ring 33 is sleeved on the connecting rod 3 again, then, a base plate 2 is taken, a newly taken base plate 2 is sleeved on the connecting rod 3 through the through hole 21, the limiting ring 32 is smoothly embedded into the embedded ring groove 22 of the newly taken base plate 2, and the steps are repeated until all the base plate 2 are sleeved on the connecting rod 3; at the moment, a plurality of prefabricated base plate plates 2 are placed and fixed in an external wall plate mould, the limiting rod 43 is rotated, the limiting rod 43 and the connecting half rod 44 are both perpendicular to the connecting rod 3, concrete is poured into the external wall plate mould, the limiting rod 43 and the connecting half rod 44 are positioned in the concrete, a coating layer 1 is formed after the concrete is solidified, and the prefabricated external wall plate is obtained by demoulding; through the cooperation of connecting rod 3 with spacing ring 32, spacing to having carried on between each base plate 2, improve the stability of connecting between each base plate 2 in the prefabricated wallboard.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a prefabricated external wall panel, includes coating (1) and a plurality of base plate board (2), a plurality of base plate board (2) of coating (1) parcel, its characterized in that: a connecting rod (3) is arranged between the base layer plates (2), a plurality of thread sections (31) are arranged on the connecting rod (3), limit rings (32) are connected to the thread sections (31) in a threaded manner, each limit ring (32) is positioned between the adjacent base layer plates (2), through holes (21) for the connecting rod (3) to be inserted are formed in the base layer plates (2), embedding ring grooves (22) are formed in the positions, located at the through holes (21), of the two sides of the base layer plates (2) in the thickness direction, and each limit ring (32) is embedded in the embedding ring groove (22) of the adjacent base layer plate (2) respectively; both ends of the connecting rod (3) are inserted into the coating layer (1); both ends of the connecting rod (3) are provided with limiting assemblies (4), and the limiting assemblies (4) can be vertically arranged with the connecting rod (3); the limiting assembly (4) comprises a limiting cylinder (41) and a limiting short rod (42), the two ends of the connecting rod (3) are rotatably connected with the limiting cylinder (41), the limiting short rod (42) is inserted into the limiting cylinder (41), a limiting long groove (411) is formed in the inner side wall of the limiting cylinder (41), a limiting block (421) is arranged on the side wall, away from the connecting rod (3), of the limiting short rod (42), and the limiting block (421) is inserted into the limiting long groove (411).
2. The prefabricated external wall panel as claimed in claim 1, wherein: the diameter of the bottom of the embedded ring groove (22) is smaller than the diameter of the notch of the embedded ring groove (22), and the diameter of the bottom of the embedded ring groove (22) is consistent with that of the limiting ring (32).
3. The prefabricated external wall panel as claimed in claim 2, wherein: the connecting rod (3) is sleeved with a plurality of elastic rings (33), and the elastic rings (33) are respectively positioned on two sides of each limiting ring (32).
4. The prefabricated external wall panel according to claim 1, wherein: the diameter of the limiting cylinder (41) is smaller than the diameter of the connecting rod (3), and the connecting position of the limiting cylinder (41) and the connecting rod (3) is located on the end wall of the connecting rod (3).
5. The utility model provides a prefabricated external wall panel, includes coating (1) and a plurality of base plate board (2), a plurality of base plate board (2) of coating (1) parcel, its characterized in that: a connecting rod (3) is arranged between the base layer plates (2), a plurality of thread sections (31) are arranged on the connecting rod (3), limit rings (32) are connected to the thread sections (31) in a threaded manner, each limit ring (32) is positioned between the adjacent base layer plates (2), through holes (21) for the connecting rod (3) to be inserted are formed in the base layer plates (2), embedding ring grooves (22) are formed in the positions, located at the through holes (21), of the two sides of the base layer plates (2) in the thickness direction, and each limit ring (32) is embedded in the embedding ring groove (22) of the adjacent base layer plate (2) respectively; both ends of the connecting rod (3) are inserted into the coating layer (1); the two ends of the connecting rod (3) are respectively provided with a limiting component (4), and the limiting components (4) can be vertically arranged with the connecting rod (3); spacing subassembly (4) include gag lever post (43) and connect half pole (44), connect half pole (44) and link to each other with gag lever post (43), connection breach (34) have been seted up on connecting rod (3), connect half pole (44) and set up in connection breach (34) department, gag lever post (43) are close to and are connected for rotating between the tip of connecting half pole (44) and the end wall of connecting rod (3).
6. The prefabricated external wall panel as claimed in claim 5, wherein: connect half pole (44) and be close to and be provided with deformation pad (441) on the end wall of connecting rod (3) direction, deformation pad (441) can contradict on connection breach (34) inside wall.
7. The prefabricated exterior wall panel of claim 6, wherein: the side wall of the deformation pad (441) close to the direction of the connecting rod (3) is provided with a guide surface (442).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110397294.6A CN112922224B (en) | 2021-04-14 | 2021-04-14 | Prefabricated external wall panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110397294.6A CN112922224B (en) | 2021-04-14 | 2021-04-14 | Prefabricated external wall panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112922224A CN112922224A (en) | 2021-06-08 |
| CN112922224B true CN112922224B (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110397294.6A Active CN112922224B (en) | 2021-04-14 | 2021-04-14 | Prefabricated external wall panel |
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| Country | Link |
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| CN (1) | CN112922224B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003231972A8 (en) * | 2002-05-07 | 2003-11-11 | Avery Dennison Corp | Low gloss automotive interior laminates |
| CN103088947A (en) * | 2013-02-18 | 2013-05-08 | 中国十七冶集团有限公司 | Composite thermal insulation floorslab of cold-formed thin-walled lattice sectional steel and concrete and manufacturing technology thereof |
| CN204023852U (en) * | 2014-07-18 | 2014-12-17 | 梅州市广宇建筑工程有限公司 | A kind of building curtain wall |
| CN204531076U (en) * | 2015-03-30 | 2015-08-05 | 山东美森环保科技有限公司 | Light steel latticework cast-in-place foamed concrete combined wall |
| CN204551827U (en) * | 2015-02-01 | 2015-08-12 | 杨明煜 | building curtain wall |
-
2021
- 2021-04-14 CN CN202110397294.6A patent/CN112922224B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003231972A8 (en) * | 2002-05-07 | 2003-11-11 | Avery Dennison Corp | Low gloss automotive interior laminates |
| CN103088947A (en) * | 2013-02-18 | 2013-05-08 | 中国十七冶集团有限公司 | Composite thermal insulation floorslab of cold-formed thin-walled lattice sectional steel and concrete and manufacturing technology thereof |
| CN204023852U (en) * | 2014-07-18 | 2014-12-17 | 梅州市广宇建筑工程有限公司 | A kind of building curtain wall |
| CN204551827U (en) * | 2015-02-01 | 2015-08-12 | 杨明煜 | building curtain wall |
| CN204531076U (en) * | 2015-03-30 | 2015-08-05 | 山东美森环保科技有限公司 | Light steel latticework cast-in-place foamed concrete combined wall |
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| Publication number | Publication date |
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| CN112922224A (en) | 2021-06-08 |
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