CN214834230U - Anti-drop composite construction - Google Patents
Anti-drop composite construction Download PDFInfo
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- CN214834230U CN214834230U CN202022739892.0U CN202022739892U CN214834230U CN 214834230 U CN214834230 U CN 214834230U CN 202022739892 U CN202022739892 U CN 202022739892U CN 214834230 U CN214834230 U CN 214834230U
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Abstract
The utility model discloses an anti-drop composite construction belongs to the building field. The utility model discloses at the earlier fibrous material of spraying again of working face installation anti-drop component form fibre spraying layer, this fibre spraying layer is porous structure, is rich in elasticity, has excellent sound absorption and thermal insulation performance. The utility model, through the design of the anti-drop component, can provide the three-dimensional support for the spraying fiber layer on the one hand, guarantee the coating not to drop under the conditions of rainwater seepage, basal plane vibration, etc., improve the reliability and the application range of the fiber spraying layer; on the other hand, the anti-drop composite structure formed by the anti-drop component and the fiber spraying layer has obvious control on low-frequency noise. The utility model discloses an anti-drop construction method is applicable to all kinds of fibre sound absorption, heat preservation spraying engineering and the fibre spraying more than 40mm thickness under vibration, the seepage environment.
Description
Technical Field
The utility model belongs to the building field, concretely relates to anti-drop composite construction.
Background
The fiber spraying is to adopt a special fiber spraying machine, send the fiber cotton to a spray head, and spray the fiber cotton to a working surface after being mixed with the vaporific bonding liquid sprayed from the periphery of the spray head, and form a smooth, rough and seamless fiber coating after drying. The coating formed by spraying the fiber has excellent sound absorption, heat preservation and condensation resistance, can be directly sprayed on the base surface of any shape and any material, has simple structure, convenient and quick construction, saves materials and labor, and is widely used in various occasions, such as: the acoustic engineering of buildings in halls and venues, noise control engineering in highway and subway tunnels, railway station roads, indoor parking lots and equipment rooms, heat insulation engineering in buildings, indoor natatorium, condensation resistance engineering of air-conditioning pipelines and the like are multifunctional special environment-friendly materials which are popularized and applied in recent years.
In general, a proper water-based binder is selected and mixed according to requirements, spraying construction is carried out according to procedures, and the phenomenon that a coating is bulged or falls off cannot occur 10 years after drying and curing of the fiber spraying material. However, the fiber coating may have problems of hollowing and even peeling off in the following cases:
1. the fiber spraying material adopts water-based emulsion as an adhesive, has no waterproof function, and can cause large-area shedding of the fiber sound absorption and heat insulation coating when the fiber coating sprayed on a top plate of a basement, a vault of a tunnel and a totally-enclosed sound barrier ceiling is leaked in water;
2. under the operating environment with large rigid vibration and large air humidity, the weather resistance of the fiber coating has no strict data at present, such as sound absorption spraying in a highway tunnel, a sound insulation shed, a railway station ceiling and an equipment room, heat preservation of a top plate of a civil building, and the like, and when the thickness of the fiber spraying layer is more than or equal to 40mm, the fiber spraying layer is easy to bulge and even fall off;
3. and the control of low-frequency noise can effectively control medium-high frequency noise after the fiber material is sprayed in the equipment room, but the low-frequency noise is not greatly improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the long-time back of using that current fibre spraying material exists and easily drop, and to the relatively poor technical problem of low frequency noise control, the utility model provides an anti-drop composite construction.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: an anti-drop composite structure comprises a building base layer and an anti-drop component, wherein the anti-drop component is arranged on the surface of the building base layer;
the fiber spraying layer is composed of inorganic fibers and a water-based adhesive, the fiber spraying layer is sprayed on one side, far away from the building base layer, of the anti-falling component, and the anti-falling component is completely covered by the fiber spraying layer;
the pulling force of the anti-falling component is greater than the weight of the fiber spraying layer.
As a further preferred aspect of the present invention, the anti-drop member includes a base and a plurality of tie rods, the base contacts with the surface of the building base, and the tie rods connect with the base.
As a further preference of the utility model, the base includes stationary plane and a plurality of connection face, the stationary plane all the time with building basic unit is parallel, connect the face with the stationary plane edge connection.
As a further preferred aspect of the present invention, the fixing device further comprises a mounting hole, wherein the mounting hole is formed in the fixing surface.
As a further preferred aspect of the present invention, the fiber sprayed layer has an adhesive strength of not less than 5.0 kPa.
As the utility model discloses a further preferred, the pull rod is apart from fibre spraying layer is kept away from building basic unit's one side 5 ~ 10 mm.
As the further optimization of the utility model, the thickness of the fiber spraying layer to be sprayed is more than or equal to 20 mm.
The utility model has the advantages that:
1. the utility model is characterized in that the anti-drop component is arranged on the working surface and then the fiber material is sprayed, the fiber layer formed by spraying is porous and elastic, and has the properties of energy absorption, air storage and heat insulation;
2. the utility model discloses a design of anti-drop component can provide three-dimensional support for fibre spraying layer on the one hand, guarantees that fibre spraying layer does not drop under seepage, the vibration condition, and on the other hand, anti-drop component and fibre spraying layer form composite construction, have obvious control to low frequency noise.
3. The utility model is suitable for a all kinds of fibre sound absorption, heat preservation spraying engineering and the fibre spraying more than 40mm thickness under vibration, the seepage environment.
Drawings
Fig. 1 is a schematic structural view of an anti-drop member according to embodiment 1 of the present invention;
fig. 2 is a schematic view of the composite structure of embodiment 1 of the present invention;
fig. 3 is a schematic structural view of an anti-drop member according to embodiment 2 of the present invention;
fig. 4 is a schematic view of the composite structure of embodiment 2 of the present invention;
fig. 5 is a schematic structural view of an anti-drop member according to embodiment 3 of the present invention;
fig. 6 is a schematic view of the composite structure of embodiment 3 of the present invention;
fig. 7 is a schematic structural view of an anti-drop member according to embodiment 4 of the present invention;
fig. 8 is a schematic view of a composite structure according to embodiment 4 of the present invention.
In the figure: 1. a building substrate; 2. an anti-drop member; 3. a fiber spray coating layer; 4. a base; 5. a pull rod; 6. mounting holes; 7. a fixed surface; 8. and (5) connecting the surface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Unless specifically stated otherwise, the relative arrangement of the components and steps, expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may also be oriented in other different ways (rotated 90 degrees or at other orientations).
The utility model discloses an anti-drop composite structure, which comprises a building base layer 1, an anti-drop component 2 and a fiber spraying layer 3, wherein the anti-drop component 2 is arranged on the surface of the building base layer 1; the fiber spray coating 3 is sprayed on the side of the anti-drop member 2 away from the building base layer 1, and the anti-drop member 2 is completely covered by the fiber spray coating 3. The fiber spraying layer 3 consists of inorganic fibers and a water-based adhesive, and the tensile force of the anti-falling component 2 is greater than the weight of the fiber spraying layer 3; in the spraying construction, the fiber spraying layer 3 contains fibers and a binder (theoretically, each fiber must be adhered with a glue and a mixed solution), and the anti-falling component 2 bears the sum of the weights of the fibers and the mixed solution of the water and the glue.
The anti-falling component 2 comprises a base 4 and a plurality of pull rods 5, wherein the base 4 is in surface contact with the building base layer 1, and the pull rods 5 are connected with the base 4. The base 4 comprises a fixing surface 7 and a plurality of connecting surfaces 8, the fixing surface 7 is always parallel to the building base layer 1, and the connecting surfaces 8 are connected with the edges of the fixing surface 7; still include mounting hole 6, mounting hole 6 sets up on stationary plane 7.
The bonding strength of the fiber spraying layer 1 is more than or equal to 5.0kPa, and the volume density of the fiber spraying layer 1 is as follows: the fiber spraying layer 1 mainly comprises inorganic fibers or plant fibers, wherein the inorganic fibers comprise mineral fibers (the density is less than or equal to 240 kg/m 3), glass fibers (the density is less than or equal to 60 to 115 kg/m 3), and the density of the plant fibers is less than or equal to 220 kg/m 3. The distance between the base 4 and the pull rod 5 and the surface, far away from the building base layer 1, of the fiber spraying layer 3 is 10-15 mm, and the thickness of the fiber spraying layer 3 to be sprayed is larger than or equal to 20 mm.
The base 4 is made of galvanized steel plates with the thickness of 1.5-2.0 mm, and the pull rod 5 is made of No. 9-11 galvanized iron wires, so that the anti-falling component 2 is ensured to be enough to support the pulling force of the fiber spraying layer 3, and the fireproof requirement of a building heat-insulation (sound-absorption) spraying material A1 grade (non-combustible) is met.
For obtaining foretell anti-drop composite construction, the utility model provides an anti-drop composite construction's construction method, including following step:
wherein, flush coater satisfies: blower pressure of 8-15 Mpa, water pump pressureThe force is 1.0-1.5 Mpa, the flow rate of the mixed liquid of the adhesive is 20-25L/min, the distance between a gun nozzle of a spraying machine and the base plane of the anti-drop component is 0.90-1.10 m, and the angle of the gun nozzle of the spraying machine towards the vertical direction of the base plane of the anti-drop component is kept at 90 DEG0±100Within the range. This work index and construction requirement can improve the compactness of the fiber sprayed layer 3.
And (3) after the spraying is finished, troweling and finishing the surface of the wall body, cleaning a spraying field after troweling, naturally drying the spraying layer, and naturally curing the spraying layer at regular intervals in the later period.
The following detailed description of four embodiments of the present invention is made with reference to the accompanying drawings:
example 1
As shown in fig. 1 and 2, in the present embodiment, the base 4 of the drop-off prevention member 2 is composed of one fixing surface 7 and two connecting surfaces 8, the two connecting surfaces 8 and the fixing surface 7 form a trapezoid structure, and the pull rod 5 penetrates through the two connecting surfaces 8. The fixing surface 7 of the anti-falling member 2 is fixed to the surface of the building base layer 1 by an adhesive or the fixing surface 7 is provided with a hole and the anti-falling member 2 is fixedly connected to the building base layer 1 by a bolt.
The embodiment is suitable for any environment suitable for the fiber spraying layer 3 with the thickness of 20-30mm, the anti-drop component 2 in the embodiment can meet the requirements of anti-drop, sound absorption, sound insulation, fire prevention and heat preservation, meanwhile, the manufacturing cost of the anti-drop composite structure is reduced, and the distance between the pull rod 5 and the base building layer 1 can be conveniently adjusted.
Example 2
As shown in fig. 3 and 4, in the present embodiment, the anti-falling off component 2 includes the base 4 and two pull rods 5, where the base 4 is composed of one fixing surface 7 and two connecting surfaces 8, the two connecting surfaces 8 are perpendicular to the fixing surface 7, and the two pull rods 5 are parallel and both penetrate through the two connecting surfaces 8. The fixing surface 7 of the anti-falling member 2 is fixed to the surface of the building base layer 1 by an adhesive or the fixing surface 7 is provided with a hole and the anti-falling member 2 is fixedly connected to the building base layer 1 by a bolt.
The embodiment is suitable for the building base layer 1 is a base plane beam column, at the moment, the thickness of the fiber spraying layer 3 is larger than 40mm, the thickness of a general heat preservation project is 40-70 mm, the thickness of a sound absorption project is 20-30mm, and the thickness of sound insulation is 40-50 mm, so that the corresponding thickness of the acoustics of the fiber spraying layer 3 and the heat preservation project needs to be calculated according to design specifications.
Example 3
As shown in fig. 5 and fig. 6, the anti-falling off component 2 in this embodiment includes the base 4 and two pull rods 5, wherein the base 4 is composed of one fixing surface 7 and two connecting surfaces 8, the two connecting surfaces 8 are perpendicular to the fixing surface 7, and the two pull rods 5 are crosswise arranged and both penetrate through the two connecting surfaces 8. The fixing surface 7 of the anti-falling member 2 is fixed to the surface of the building base layer 1 by an adhesive or the fixing surface 7 is provided with a hole and the anti-falling member 2 is fixedly connected to the building base layer 1 by a bolt.
The embodiment is suitable for any installation environment, the thickness of the fiber spraying layer 3 is larger than 40mm, the thickness of the general heat preservation engineering is 40-70 mm, the sound absorption engineering is 20-30mm, and the sound insulation is 40-50 mm, so that the corresponding thickness of the acoustics of the fiber spraying layer 3 and the heat preservation engineering needs to be calculated according to the design specification.
Example 4
As shown in fig. 7 and 8, in the present embodiment, the anti-falling off component 2 includes the base 4 and two pull rods 5, where the base 4 is composed of one fixing surface 7 and four connecting surfaces 8, the four connecting surfaces 8 are perpendicular to the fixing surface 7 so as to form a box structure, and the two pull rods 5 are perpendicular to each other and respectively penetrate through the two connecting surfaces 8. The fixing surface 7 of the anti-falling member 2 is fixed to the surface of the building base layer 1 by an adhesive or the fixing surface 7 is provided with a hole and the anti-falling member 2 is fixedly connected to the building base layer 1 by a bolt.
This embodiment is applicable to arbitrary installation environment, 3 thickness on fibre spraying layer are greater than 40mm, corresponding the thickness of the acoustics and the heat preservation engineering on fibre spraying layer 3 need calculate corresponding suitable thickness according to the design specification.
The utility model discloses a construction method is at the working face installation anti-drop component spraying fiber material again earlier, and the fibrous layer that the spraying formed is porous, rich in elasticity, has absorbed energy, stored air and heat-proof quality, through the design of anti-drop component, can provide three-dimensional support for the spraying fibrous layer on the one hand, guarantees that the coating does not drop under the seepage condition, and on the other hand, anti-drop component and coating form composite construction, have obvious control to low frequency noise.
The utility model discloses an anti-drop construction method is applicable to all kinds of fibre sound absorption, heat preservation spraying engineering and the fibre spraying more than 40mm thickness under vibration, the seepage environment.
Claims (7)
1. A fall-off prevention composite structure comprising a building substrate, comprising: a falling off prevention member installed on a surface of the building base;
the fiber spraying layer is composed of inorganic fibers and a water-based adhesive, the fiber spraying layer is sprayed on one side, far away from the building base layer, of the anti-falling component, and the anti-falling component is completely covered by the fiber spraying layer;
the pulling force of the anti-falling component is greater than the weight of the fiber spraying layer.
2. A drop resistant composite structure as claimed in claim 1, wherein: the anti-falling component comprises a base and a plurality of pull rods, the base is in surface contact with the base layer of the building, and the pull rods are connected with the base.
3. A drop resistant composite structure as claimed in claim 2, wherein: the base includes stationary plane and a plurality of connection face, the stationary plane all the time with building basic unit is parallel, connect the face with the stationary plane edge is connected.
4. A drop resistant composite structure as claimed in claim 3, wherein: still include the mounting hole, the mounting hole is seted up on the stationary plane.
5. A drop resistant composite structure as claimed in claim 1, wherein: the bonding strength of the fiber spraying layer is more than or equal to 5.0 kPa.
6. A drop resistant composite structure as claimed in claim 2, wherein: the distance between the pull rod and the fiber spraying layer is 5-10 mm far away from one surface of the building base layer.
7. A drop resistant composite structure as claimed in claim 1, wherein: the thickness of the fiber spraying layer to be sprayed is more than or equal to 20 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022739892.0U CN214834230U (en) | 2020-11-24 | 2020-11-24 | Anti-drop composite construction |
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| CN202022739892.0U CN214834230U (en) | 2020-11-24 | 2020-11-24 | Anti-drop composite construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392215A (en) * | 2020-11-24 | 2021-02-23 | 南京隆知圣建筑声学技术有限公司 | Anti-drop composite structure and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392215A (en) * | 2020-11-24 | 2021-02-23 | 南京隆知圣建筑声学技术有限公司 | Anti-drop composite structure and construction method thereof |
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