CN210622029U - Sandwich heat-preservation cast-in-situ cavity structure - Google Patents
Sandwich heat-preservation cast-in-situ cavity structure Download PDFInfo
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- CN210622029U CN210622029U CN201921363274.1U CN201921363274U CN210622029U CN 210622029 U CN210622029 U CN 210622029U CN 201921363274 U CN201921363274 U CN 201921363274U CN 210622029 U CN210622029 U CN 210622029U
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Abstract
The utility model discloses a sandwich heat-preservation cast-in-place cavity structure, which comprises a structural wall reinforcing mesh, wherein the outer side of the structural wall reinforcing mesh is connected with an EPS heat-preservation layer through a plurality of sandwich I-shaped connecting bridges, the outer side of the EPS heat-preservation layer is connected with an electric welding mesh through a plurality of sandwich II-shaped connecting bridges, the outer side of the electric welding mesh is provided with an outer side template, the inner side of the structural wall reinforcing mesh is provided with an inner side template, and a plurality of wall-through fastening correction pieces are arranged between the outer side template and the inner side template for fixing; a concrete pouring outer cavity is formed between the outer side template and the EPS heat insulation layer, and a concrete pouring inner cavity is formed between the EPS heat insulation layer and the inner side template; compared with the prior art, the utility model, its structural strength is high, simple to operate, swift.
Description
Technical Field
The utility model relates to a wall body construction technical field, concretely relates to cast-in-place cavity structure of clamp core heat preservation.
Background
With the continuous deepening of wall material innovation and building energy-saving work in China, the mode of sticking and anchoring polystyrene boards on the outer side of a wall body is generally adopted for energy-saving and heat-insulating in the current building engineering, the wall body structure and the wall body heat-insulating are constructed step by step, the construction process is complex, the quality safety problems that the heat-insulating layer is easy to hollowly bulge, crack, seep water, fall off and the like exist, and the same service life of the heat-insulating layer and the building wall body is difficult to realize. At present, a heat insulation system formed by compounding a plurality of reinforcing steel bar net rack heat insulation boards with cast-in-place concrete is also provided, a reinforcing steel bar net rack is adopted in the wall structure, heat loss of a large amount of wall heat insulation is caused, the heat insulation performance of the wall is reduced, and meanwhile, great fire safety hazards exist in the process of transportation, stacking, construction and use of the reinforcing steel bar net rack heat insulation boards in building engineering. With the continuous improvement of national requirements on building energy conservation and fireproof design, the above technologies are more and more difficult to meet the requirements of relevant standards.
The existing heat preservation system wall body is firstly installed to form a heat preservation cavity structure in the manufacturing process, then concrete is poured into the heat preservation cavity structure, but the heat preservation cavity structure is complex in process when being installed, and in order to guarantee the structural strength of the heat preservation cavity structure, multiple parts are adopted, so that the installation is complex, and the heat preservation cavity structure is supported by a support system with a complex structure in the concrete pouring process.
SUMMERY OF THE UTILITY MODEL
To the not enough that exists among the prior art, the utility model aims to provide a press from both sides cast-in-place cavity structure of core heat preservation to solve prior art, current heat preservation cavity structure process is complicated when installing, in order to guarantee its structural strength, the spare part of adoption is more, leads to the installation complicated, and need use the complicated support system of structure to heat preservation cavity structure to carry out the problem of supporting at the in-process that carries out concrete placement.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a sandwich heat-preservation cast-in-place cavity structure comprises a structural wall reinforcing mesh, wherein the outer side of the structural wall reinforcing mesh is connected with an EPS heat-preservation layer through a plurality of sandwich I-shaped connecting bridges, the outer side of the EPS heat-preservation layer is connected with an electric welding mesh through a plurality of sandwich II-shaped connecting bridges, an outer side template is arranged on the outer side of the electric welding mesh, an inner side template is arranged on the inner side of the structural wall reinforcing mesh, and a plurality of through-wall fastening correction pieces are arranged between the outer side template and the inner side template for fixing;
and a concrete pouring outer cavity is formed between the outer side template and the EPS heat insulation layer, and a concrete pouring inner cavity is formed between the EPS heat insulation layer and the inner side template.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. according to the sandwich insulation cast-in-place cavity structure, the concrete pouring outer cavity and the concrete pouring inner cavity are formed on two sides of the EPS insulation layer through the structures such as the sandwich I-type connecting bridge, the EPS insulation layer, the sandwich II-type connecting bridge, the electric welding net, the outer side template, the inner side template and the through-wall fastening correcting part, the structural strength is high, concrete can be poured in the concrete pouring outer cavity and the concrete pouring inner cavity quickly and stably, the installation is convenient and quick, and the cost is relatively low;
2. and pouring concrete in the concrete pouring outer cavity and the concrete pouring inner cavity to form the self-compacting concrete EPS sandwich heat-insulating wall. The self-compacting concrete EPS sandwich thermal insulation wall formed by pouring has the following advantages: can adapt to the normal physical deformation of the base wall surface without surface cracks and hollows; has stronger waterproof and anti-seepage performance; the self-weight of the system can be borne for a long time, and the system and the base wall do not crack or fall off; the fire-proof structure has the advantages of safe and reliable fire-proof construction measures, capability of bearing flame radiation and preventing fire from spreading; can endure the long-term repeated action of outdoor climate in the chamber in the whole life cycle without damage.
Drawings
Fig. 1 is an axial cross-sectional view of the present invention;
FIG. 2 is a schematic view of the assembly of the EPS insulation layer of the present invention;
fig. 3 is a schematic structural view of the mounting base of the present invention;
FIG. 4 is a schematic view of a lock of the present invention;
FIG. 5 is a schematic structural diagram of a standard bridge according to the present invention;
FIG. 6 is a schematic structural view of a free I-shaped connecting bridge of the present invention;
FIG. 7 is a schematic structural view of a sandwich II type connecting bridge of the present invention;
fig. 8 is a cross-sectional view taken along line a-a of fig. 7.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments:
reference numerals in the drawings of the specification include: structural wall reinforcing bar net 1, sandwich I type connecting bridge 2, standard connecting bridge 201, connecting rod 2011, connecting inserting piece 2012, free I type connecting bridge 202, big tray 2021, small tray 2022, connecting rod 2023, first bolt hole 2024, EPS heat preservation 3, EPS module 31, sandwich II type connecting bridge 4, connecting disc 401, fixing rod 402, second bolt hole 403, "E" shape fixture block 404, electric welding net 5, outside template 6, inside template 7, tie bar 8, short side 81, long side 82, fastening handle 9, correcting pipe 1001, split bolt 1002, "E" shape fastener 1003, nut 1004, plastic sleeve 1005, bracing pipe 11, mount pad 12, fixed steel plate 1201, expansion bolt 1202, fixing bolt 1203, template spacing pile 13.
Examples
Referring to fig. 1 to 8: a sandwich heat-preservation cast-in-place cavity structure comprises a structural wall reinforcing mesh 1, wherein the outer side of the structural wall reinforcing mesh 1 is connected with an EPS heat-preservation layer 3 through a plurality of sandwich I-shaped connecting bridges, the outer side of the EPS heat-preservation layer 3 is connected with an electric welding mesh 5 through a plurality of sandwich II-shaped connecting bridges, the outer side of the electric welding mesh 5 is provided with an outer side template 6, the inner side of the structural wall reinforcing mesh 1 is provided with an inner side template 7, and a plurality of wall-through fastening correction pieces are arranged between the outer side template 6 and the inner side template 7 for fixing; and a concrete pouring outer cavity is formed between the outer side template 6 and the EPS heat insulation layer 3, and a concrete pouring inner cavity is formed between the EPS heat insulation layer 3 and the inner side template 7. The method comprises the steps of pouring concrete in a concrete pouring outer cavity to form a protective outer wall of the EPS heat preservation layer 3, pouring concrete in a concrete pouring inner cavity to form a structural inner wall, forming the protective outer wall, the EPS heat preservation layer 3 and the structural inner wall into a self-compacting concrete EPS sandwich heat preservation wall through structures such as a sandwich I-shaped connecting bridge and a sandwich II-shaped connecting bridge, and dismantling an outer side template 6 and an inner side template 7 after the self-compacting concrete EPS sandwich heat preservation wall is solidified. The self-compacting concrete EPS sandwich thermal insulation wall formed by pouring has the following advantages: can adapt to the normal physical deformation of the base wall surface without surface cracks and hollows; has stronger waterproof and anti-seepage performance; the self-weight of the system can be borne for a long time, and the system and the base wall do not crack or fall off; the fire-proof structure has the advantages of safe and reliable fire-proof construction measures, capability of bearing flame radiation and preventing fire from spreading; can endure the long-term repeated action of outdoor climate in the chamber in the whole life cycle without damage.
The utility model discloses the topside of the EPS heat preservation 3 that adopts evenly has a plurality of connecting bridge sockets along its axial direction, it connects between connecting bridge socket and the structural wall reinforcing bar net 1 of EPS heat preservation 3 to press from both sides core I type connecting bridge, wherein press from both sides core I type connecting bridge and include that standard connecting bridge 201 and free I type connecting bridge constitute, standard connecting bridge 201 includes connecting rod 2011, the one end of connecting rod 2011 links to each other with free I type connecting bridge, the other end of connecting rod 2011 is provided with a plurality of connection inserted sheets 2012 along its axial direction interval, insert the connecting bridge socket through connection inserted sheet 2012 and come to be connected between core I type connecting bridge and EPS heat preservation 3; the free I-shaped connecting bridge comprises a large tray 2021 and a small tray 2022, the large tray 2021 is connected with the small tray 2022 through a connecting rod 2023, the small tray 2022 is fixed with a connecting rod 2011, the large tray 2021 is provided with a plurality of first bolt holes 2024, and the clamping core I-shaped connecting bridge is connected with the structural wall reinforcing mesh 1 through bolts arranged in the first bolt holes 2024 in a matching manner; the sandwich I-shaped connecting bridge has the advantages of simple structure, high strength and convenient installation. The sandwich II-shaped connecting bridge comprises a connecting disc 401 and a fixing rod 402 connected with the connecting disc 401, a plurality of second bolt holes 403 are formed in the connecting disc 401, the sandwich II-shaped connecting bridge is matched with bolts through the second bolt holes 403 in the connecting disc 401 to be connected with the EPS heat insulation layer 3, the fixing rod 402 is a diameter-variable rod, the diameter of one end, far away from the connecting disc 401, of the fixing rod 402 is larger than that of the middle of the fixing rod, a cross groove is formed in the end, far away from the connecting disc 401, of the fixing rod 402, a cross connection point of the electric welding net 5 is inserted into the cross groove and then clamped and fixed through an E-shaped fixture block 404, the E-shaped fixture block 404 is located at the diameter-variable position of the fixing rod 402 when connected, the E-shaped fixture block 404 is clamped through the diameter-variable structure of the fixing rod 402, a middle transverse block of the E; the sandwich II-type connecting bridge is simple in structure, firm in locking and convenient to install or disassemble. The EPS heat-insulating layer 3 is formed by splicing a plurality of EPSEPS modules 31 in a building block type mutual staggered joint mode, and the connection between two adjacent EPSEPS modules 31 is spliced and fixed through tongue-and-groove and splicing bulges on the side edges of the EPSEPS modules 31; the connecting mode has high structural strength and convenient and quick installation.
In the utility model, a plurality of tie bars 8 are evenly distributed between the structural wall reinforcing mesh 1 and the outer side template 6, one ends of the tie bars 8 are all arranged in the structural wall reinforcing mesh 1, the other ends are arranged at the inner side of the outer side template 6 after passing through the EPS heat preservation layer 3 and the electric welding mesh 5, and the tie bars 8 and the electric welding mesh 5 are all bound and fixed, and the binding mode is that 8-shaped buckle structures are bound through steel wires; at least 4 tie bars 8 are uniformly distributed in each square meter of the EPS heat-insulating layer 3, the tie bars 8 are all in an L shape, a short side 81 of the L shape is arranged on the inner side of the outer template 6, and a long side 82 of the L shape sequentially penetrates through the electric welding net 5 and the EPS heat-insulating layer 3 and then is arranged in the reinforcing mesh 1 of the structural wall; the diameters of the tie bars 8 are not less than 8mm, the lengths of the short sides 81 are 30-35mm, and the length of the long sides 82 is more than 100-120mm greater than the sum of the thickness of the EPS heat preservation layer 3 and the distance between the outer side template 6 and the EPS heat preservation layer 3; structural design and arrangement mode through lacing bar 8 can strengthen the structural strength of this cast-in-place cavity structure of pressing from both sides core heat preservation, make the self-compaction concrete EPS core heat preservation wall of pouring form, structural strength is high, and the wholeness is strong, can bear bigger shearing force.
Specifically, a plurality of wall-penetrating fastening correcting pieces are arranged at intervals along the axial direction of the outer side template 6, each wall-penetrating fastening correcting piece comprises two groups of correcting pairs for clamping the outer side template 6 and the inner side template 7 and a plurality of locking pieces for locking and fixing the two groups of correcting pairs, the two groups of correcting pairs are arranged in parallel, and the locking pieces are arranged at intervals along the axial direction of the correcting pairs; the two groups of correction pairs respectively comprise two correction pipes 1001 which are arranged in parallel, and the correction pipes 1001 are steel pipes with the diameter of 48 mm; the locking parts comprise split bolts 1002 penetrating through the outer side template 6 and the inner side template 7, two ends of each split bolt 1002 are slidably sleeved with an E-shaped fastener 1003 and then are in threaded connection with nuts 1004, two correction tubes 1001 in each group of correction pairs are respectively embedded in two notches of the E-shaped fasteners 1003 to be compressed and fixed, and plastic sleeves 1005 are sleeved on the outer sides of the middle parts of the split bolts 1002; the flatness of the outer template 6 and the flatness of the inner template 7 are corrected and adjusted through the design of the correcting pipe 1001, so that the wall surface levelness of the self-compacting concrete EPS sandwich heat-insulating wall formed after concrete pouring is high; simultaneously can be convenient, swift press from both sides tightly fixedly to outside template 6 and inboard template 7 through the design of retaining member, and leave the retaining member in self-compaction concrete EPS presss from both sides core heat preservation wall, further improved structural strength and shearing resistance force.
In order to further improve the structural strength of a concrete pouring inner cavity in the concrete pouring process, a plurality of supporting inclined struts which are arranged at intervals along the horizontal direction are arranged on the inner side formwork 7, each supporting inclined strut comprises an inclined strut pipe 11 which is arranged in an inclined mode and adjustable in length, the lower ends of the inclined strut pipes 11 are connected with the ground through mounting seats 12, and the high ends of the inclined strut pipes 11 are connected with the outer wall of the inner side formwork 7 through fixing pieces clamped between two correcting pipes 1001 on the outer side of the inner side formwork 7; the inclined supporting pipe 11 comprises two supporting steel pipes which are sleeved in a sliding mode, a fastening moving handle 9 is arranged between the two supporting steel pipes, the two supporting steel pipes can slide relatively to each other and are fixed through the fastening moving handle 9, and the inclined supporting pipe 11 is convenient to support different heights through the structural design; the mounting seat 12 comprises a fixed steel plate 1201, the fixed steel plate 1201 is fixedly connected to the ground through a plurality of expansion bolts 1202, the upper surface of the fixed steel plate 1201 is welded with two parallel and spaced connecting blocks, and the lower end of the inclined supporting pipe 11 is rotatably connected between the two connecting blocks through a fixing bolt 1203.
In order to strengthen the structural strength of the poured self-compacting concrete EPS sandwich heat-insulating wall, a plurality of free I-shaped connecting bridges are also connected between the outer side template 6 and the EPS heat-insulating layer 3 and between the EPS heat-insulating layer 3 and the inner side template 7, and the structural strength of the concrete pouring outer cavity and the concrete pouring inner cavity is improved through the free I-shaped connecting bridges, so that the structural strength of the protective outer wall and the structural inner wall is higher; in order to improve the installation accuracy of the inner side formwork 7, a plurality of parallel formwork limiting piles 13 are arranged before the inner side formwork 7 is installed, the inner side formwork 7 is installed between the formwork limiting piles 13 and the structural wall reinforcing mesh 1, and the inner side formwork 7 is accurately positioned through the plurality of formwork limiting piles 13.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (8)
1. A sandwich heat-preservation cast-in-place cavity structure is characterized by comprising a structural wall reinforcing mesh, wherein the outer side of the structural wall reinforcing mesh is connected with an EPS heat-preservation layer through a plurality of sandwich I-shaped connecting bridges, the outer side of the EPS heat-preservation layer is connected with an electric welding mesh through a plurality of sandwich II-shaped connecting bridges, an outer side template is arranged on the outer side of the electric welding mesh, an inner side template is arranged on the inner side of the structural wall reinforcing mesh, and the outer side template and the inner side template are fixed through a plurality of wall-through fastening correction pieces;
and a concrete pouring outer cavity is formed between the outer side template and the EPS heat insulation layer, and a concrete pouring inner cavity is formed between the EPS heat insulation layer and the inner side template.
2. The sandwich insulation cast-in-place cavity structure of claim 1, which is characterized in that: a plurality of tie bars are uniformly distributed between the structural wall reinforcing mesh and the outer side template, one ends of the tie bars are all arranged in the structural wall reinforcing mesh in a penetrating mode, the other ends of the tie bars penetrate through the EPS heat preservation layer and the electric welding mesh and then are arranged on the inner side of the outer side template, and the tie bars and the electric welding mesh are all bound and fixed.
3. The sandwich insulation cast-in-place cavity structure of claim 2, characterized in that: at least 4 tie bars are uniformly distributed in each square meter of the EPS heat-insulating layer, the tie bars are L-shaped, the short side of the L-shaped tie bars is arranged on the inner side of the outer side template, and the long side of the L-shaped tie bars sequentially penetrates through the electric welding net and the EPS heat-insulating layer and then is arranged in the structural wall steel bar net.
4. The sandwich insulation cast-in-place cavity structure of claim 3, characterized in that: the diameters of the tie bars are not less than 8mm, the lengths of the short sides of the tie bars are 30-35mm, and the length of the long sides of the tie bars is more than 100-120mm greater than the sum of the thickness of the EPS heat-insulating layer and the distance between the outer side template and the EPS heat-insulating layer.
5. The sandwich insulation cast-in-place cavity structure according to any one of claims 1 to 4, characterized in that: the wall-penetrating fastening correcting parts are arranged at intervals along the axial direction of the outer side template, each wall-penetrating fastening correcting part comprises two groups of correcting pairs and a plurality of locking parts, the two groups of correcting pairs are clamped between the outer side template and the inner side template, the two groups of locking parts are locked and fixed, the two groups of correcting pairs are arranged in parallel, and the plurality of locking parts are arranged at intervals along the axial direction of the correcting pairs.
6. The sandwich insulation cast-in-place cavity structure of claim 5, characterized in that: two sets of correction pairs all include parallel arrangement's two correction pipes, and the retaining member all includes the split bolt that passes outside template and inboard template, and threaded connection has the nut after "E" shape fastener is established to the equal slip cap in both ends of split bolt, and two correction pipes in every group correction pair inlay respectively and establish and compress tightly fixedly in two breachs of "E" shape fastener.
7. The sandwich insulation cast-in-place cavity structure of claim 6, which is characterized in that: the inner side formwork is provided with a plurality of supporting inclined struts which are arranged at intervals along the horizontal direction, the supporting inclined struts comprise inclined supporting pipes which are arranged obliquely and have adjustable lengths, the low ends of the inclined supporting pipes are connected with the ground through mounting seats, and the high ends of the inclined supporting pipes are connected with the outer wall of the inner side formwork through fixing pieces which are arranged between two correcting pipes on the outer side of the inner side formwork in a clamping mode.
8. The sandwich insulation cast-in-place cavity structure of claim 1, which is characterized in that: the EPS heat preservation layer is formed by splicing a plurality of EPS modules in a building block type mutual staggered joint mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921363274.1U CN210622029U (en) | 2019-08-21 | 2019-08-21 | Sandwich heat-preservation cast-in-situ cavity structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921363274.1U CN210622029U (en) | 2019-08-21 | 2019-08-21 | Sandwich heat-preservation cast-in-situ cavity structure |
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| CN210622029U true CN210622029U (en) | 2020-05-26 |
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| CN201921363274.1U Expired - Fee Related CN210622029U (en) | 2019-08-21 | 2019-08-21 | Sandwich heat-preservation cast-in-situ cavity structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162737A (en) * | 2022-06-17 | 2022-10-11 | 中铁十六局集团城市建设发展有限公司 | Concrete pouring method for external wall of built-in heat-preservation integrated system |
-
2019
- 2019-08-21 CN CN201921363274.1U patent/CN210622029U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162737A (en) * | 2022-06-17 | 2022-10-11 | 中铁十六局集团城市建设发展有限公司 | Concrete pouring method for external wall of built-in heat-preservation integrated system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200526 Termination date: 20210821 |
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| CF01 | Termination of patent right due to non-payment of annual fee |