CN210797937U - Point type floating vibration reduction pad and floating vibration reduction system - Google Patents
Point type floating vibration reduction pad and floating vibration reduction system Download PDFInfo
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- CN210797937U CN210797937U CN201921450775.3U CN201921450775U CN210797937U CN 210797937 U CN210797937 U CN 210797937U CN 201921450775 U CN201921450775 U CN 201921450775U CN 210797937 U CN210797937 U CN 210797937U
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Abstract
The utility model discloses a point type floating vibration damping pad and a floating vibration damping system, wherein the point type floating vibration damping pad comprises a pad body and a plurality of layers of framework layers embedded in the pad body; the plurality of layers of framework layers are positioned in the middle of the cushion body; each layer of framework layer comprises a plurality of uniformly distributed linear frameworks; the linear framework is horizontally embedded in the pad body; the bottom center of the pad body is provided with an inward concave groove. The floating vibration reduction system is laid on a building body needing noise reduction and comprises a plurality of guide walls which are vertically arranged and enclose a closed space; the rock wool damping cushion layer, the cement fiber board layer, the waterproof thin film layer and the concrete layer are sequentially paved in the guide wall from bottom to top; rock wool shock-absorbing cushion includes that the point type of a plurality of floats and builds damping pad. The utility model has the advantages of reasonable structure, effective reduction of low-frequency noise and the like.
Description
Technical Field
The utility model belongs to the building field of making an uproar falls relates to a float and builds damping system, especially relates to a point type floats and builds damping pad and floats and build damping system.
Background
With the rise of the scientific and technological houses,the low-frequency noise generated by power equipment increasingly affects the quality of life of residents, the floating vibration reduction system structure is more and more important in solving the low-frequency noise, but the weighted impact sound pressure level improvement amount of the floating vibration reduction system formed by a plurality of point type rubber vibration reduction pads in the current market is limited to △ LWAt 34dB, the solution for low frequency noise is subject to bottlenecks.
SUMMERY OF THE UTILITY MODEL
The utility model provides a point type floats builds damping pad and floats and builds damping system to overcome prior art's defect.
In order to achieve the purpose, the utility model provides a point type floating vibration damping pad, which comprises a pad body and a plurality of layers of framework layers embedded in the pad body; the plurality of layers of framework layers are positioned in the middle of the cushion body; each layer of framework layer comprises a plurality of uniformly distributed linear frameworks; the linear framework is horizontally embedded in the pad body; the bottom center of the pad body is provided with an inward concave groove.
Further, the utility model provides a point type floats builds damping pad can also have such characteristic: wherein, the number of the framework layers is three.
Further, the utility model provides a point type floats builds damping pad can also have such characteristic: wherein, the cross sections of the cushion body and the groove are square.
Further, the utility model provides a point type floats builds damping pad can also have such characteristic: wherein, the material of the cushion body is natural synthetic rubber; the linear skeleton is made of nylon.
The utility model also provides a floating vibration reduction system which is laid on a building body needing noise reduction and comprises a plurality of guide walls which are vertically arranged and form a closed space; the rock wool damping cushion layer, the cement fiber board layer, the waterproof thin film layer and the concrete layer are sequentially paved in the guide wall from bottom to top; rock wool shock-absorbing cushion includes that the point type of a plurality of floats and builds damping pad.
Further, the utility model provides a vibration damping system is built to floating can also have such characteristic: wherein, rock wool damping cushion still includes the rock wool of laying on building body, and a plurality of point type floats to build the damping pad and inlays in the rock wool with the interval, and the point type floats the upper end of building the upper end of damping pad and the upper end parallel and level of rock wool, lower extreme and the lower extreme parallel and level of rock wool.
Further, the utility model provides a vibration damping system is built to floating can also have such characteristic: the cement fiberboard layers are double layers, each cement fiberboard layer is formed by splicing a plurality of cement fiberboards, and the double cement fiberboard layers are paved in a staggered mode. The waterproof thin film layers are double layers, each waterproof thin film layer is formed by splicing a plurality of waterproof thin films, waterproof adhesive paper is adhered to splicing seams among the waterproof thin films, and the double waterproof thin film layers are paved at staggered seams.
Further, the utility model provides a vibration damping system is built to floating can also have such characteristic: wherein, the middle part in the concrete layer is embedded with a reinforcing mesh.
Further, the utility model provides a vibration damping system is built to floating can also have such characteristic: wherein, the inside wall of leading the wall is equipped with the plastic antivibration sound-proof board.
Further, the utility model provides a vibration damping system is built to floating can also have such characteristic: wherein, a layer of non-hardening sealant is injected between the guide wall and the concrete layer and at the upper end of the plastic anti-vibration sound insulation plate.
The beneficial effects of the utility model reside in that: the utility model provides a point type floats builds damping pad and floats and builds damping system, the point type floats builds the vibration isolation that damping pad can be used to power equipment and floats and builds structure vibration isolation sound insulation, and the terminal surface is unsmooth type down, multiplicable frictional force and internal resistance, can improve the damping ratio and reduce natural frequency. The point-type floating-building vibration damping pad is formed by high-temperature vulcanization mould pressing of natural synthetic rubber and a nylon linear framework, can resist alkali, acid, oil, corrosion, mildew, moisture, flame and aging, has a temperature resistance range of-20-90 ℃, has a damping ratio of more than or equal to 0.08, and can effectively solve the problem of low-frequency noise transmission. The structures of the point type floating vibration damping pad and the floating vibration damping system can improve the weighting impact sound pressure level improvement amount of the floating vibration damping system, so that the influence of low-frequency noise on residents is further solved. The utility model has the advantages of reasonable structure, effective reduction of low-frequency noise and the like.
Drawings
FIG. 1 is a longitudinal cross-sectional view of a floating vibration damping system;
FIG. 2 is an enlarged view of area I of FIG. 1;
FIG. 3 is a longitudinal cross-sectional view of a spot-type floating vibration-damping pad;
FIG. 4 is a bottom view of a point float-on shock pad;
FIG. 5 is a graph of impact sound insulation detection of the floating vibration damping system.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the utility model provides a float and build damping system lays on the building body that needs fall the noise, for example former building floor A in fig. 1, and the sound that the system can place, the equipment production that loads on the former building floor A falls and makes an uproar.
As shown in fig. 1 and 2, the floating building damping system includes a plurality of guide walls 1 which are vertically arranged and enclose a closed space. The system also comprises a rock wool shock absorption cushion layer 2, a cement fiber board layer 3, a waterproof thin film layer 4 and a concrete layer 5 which are sequentially paved in the guide wall 1 from bottom to top, and each layer is paved in a space surrounded by the guide wall 1 which is erected by the side face.
The inner side wall of the guide wall 1 is provided with a plastic anti-vibration sound insulation plate 11.
The rock wool cushion layer 2 comprises rock wool 21 and a plurality of point type floating vibration damping cushions 22.
The rock wool 21 is paved on the original building floor A.
Preferably, the rock wool 21 has a thickness of 50mm and a density of 80Kg/m3。
A plurality of point type floating vibration damping pads 22 are embedded in the rock wool 21 at intervals, the point type floating vibration damping pads 22 are as high as the rock wool 21, the upper ends of the point type floating vibration damping pads 22 are flush with the upper ends of the rock wool 21, and the lower ends of the point type floating vibration damping pads 22 are flush with the lower ends of the rock wool 21.
As shown in fig. 3 and 4, the spot type floating vibration damping pad 22 includes a pad body 221 and a plurality of layers of framework layers embedded in the pad body 221.
The plurality of layers of skeleton layers are located at the middle position in the pad body 221. Each framework layer comprises a plurality of uniformly distributed linear frameworks 222. The linear skeleton 222 is horizontally embedded in the pad body 221.
Preferably, the number of layers of the framework layer is three, and the weighted normalized impact sound pressure level obtained by detection is the lowest.
The pad body 221 has an inwardly depressed groove 223 at the bottom center thereof. The pad body 221 and the groove 223 are each square in cross-section.
The material of the pad body 221 is natural synthetic rubber. The linear skeleton 222 is made of nylon.
Preferably, the spot type floating vibration damping pad 22 has a size of 100 × 100 × 50 mm. And the dot type floating vibration damping pads 22 are arranged according to the weight of the power equipment, the distance between the dot type floating vibration damping pads 22 arranged in the equipment area is less than or equal to 300mm, and the distance between the dot type floating vibration damping pads 22 arranged in the non-equipment area is less than or equal to 500 mm.
The cement fiberboard layers 3 are double-layer, each cement fiberboard layer 3 is formed by splicing a plurality of cement fiberboards, and the double-layer cement fiberboard layers 3 are paved in a staggered mode. The staggered joint means that the whole cement fiber board on the upper layer is laid on the splicing joint between the cement fiber boards on the lower layer, the whole cement fiber board on the lower layer is laid under the splicing joint between the cement fiber boards on the upper layer, and the splicing joint between the cement fiber boards on the upper layer and the splicing joint between the cement fiber boards on the lower layer are not overlapped.
The concrete layer 5 is formed by pouring concrete, and a reinforcing mesh is embedded in the middle of the concrete layer 5.
Preferably, the thickness of the concrete layer 5 is not less than 150 mm.
A layer of non-hardening sealant 12 is injected between the guide wall 1 and the concrete layer 5 and at the upper end of the plastic anti-vibration sound insulation plate 11.
The laying process of the floating vibration reduction system is as follows: the guide wall 1 is arranged firstly, and the original building wall body can be used as the guide wall. A plastic vibration-proof sound-proof plate 11 is adhered to the inner side wall of the guide wall 1. Then, inside the guide wall 1, layers of structures are laid by means of the guide wall 1. Firstly, rock wool 21 is laid on an original building floor A, a plurality of hollow spaces into which point type floating damping pads 22 can be embedded are formed in the rock wool 21, and then the point type floating damping pads 22 are embedded in the rock wool 21 to form the rock wool damping cushion layer 2. Then, a cement fiberboard layer 3 and a waterproof film layer 4 are sequentially laid on the rock wool cushion layer 2, and concrete is poured on the waterproof film layer 4 to form a concrete layer 5. And finally, pouring a layer of non-hardening sealant 12 in the gap between the guide wall 1 and the concrete layer 5 and at the upper end of the plastic anti-vibration sound insulation plate 11.
At a weighted normalized impact sound pressure level of Ln,wAfter a vibration damping system is paved on the original building floor A of 78dB, the detection result is shown in figure 5 through impact sound insulation detection, and the detection result is obtained through statistical calculation, wherein the integral structure is weighted to standardize the impact sound pressure level Ln,w39dB, the impact sound pressure level improvement △ L is weightedW＝39dB。
Claims (10)
1. The utility model provides a point type floats builds damping pad which characterized in that:
comprises a pad body and a plurality of layers of framework layers embedded in the pad body;
the plurality of layers of framework layers are positioned in the middle of the cushion body;
each layer of framework layer comprises a plurality of uniformly distributed linear frameworks;
the linear framework is horizontally embedded in the pad body;
the center of the bottom of the pad body is provided with an inward concave groove.
2. The point type floating vibration damping pad according to claim 1, characterized in that:
the number of the framework layers is three.
3. The point type floating vibration damping pad according to claim 1, characterized in that:
wherein, the cross section of the pad body and the groove is square.
4. The point type floating vibration damping pad according to claim 1, characterized in that:
wherein the pad body is made of natural synthetic rubber;
the linear skeleton is made of nylon.
5. The utility model provides a float and build damping system lays on the building body that needs fall and make an uproar, its characterized in that:
the guide wall comprises a plurality of guide walls which are vertically arranged and form a closed space;
the rock wool damping cushion layer, the cement fiber board layer, the waterproof thin film layer and the concrete layer are sequentially paved in the guide wall from bottom to top;
the rock wool cushion comprises a plurality of point type floating vibration damping cushions according to claim 1.
6. The floating vibration damping system according to claim 5, wherein:
wherein, rock wool shock-absorbing cushion still including lay in rock wool on the building body, a plurality of point type floats to build the damping pad and inlays in the rock wool at interval, and the upper end of point type floats the upper end parallel and level of building the damping pad and the upper end parallel and level of rock wool, lower extreme and the lower extreme parallel and level of rock wool.
7. The floating vibration damping system according to claim 5, wherein:
the cement fiberboard layers are double layers, each cement fiberboard layer is formed by splicing a plurality of cement fiberboards, and the double cement fiberboard layers are paved in a staggered manner;
the waterproof thin film layers are double layers, each waterproof thin film layer is formed by splicing a plurality of waterproof thin films, waterproof adhesive paper is adhered to splicing seams among the waterproof thin films, and the double waterproof thin film layers are paved in staggered seams.
8. The floating vibration damping system according to claim 5, wherein:
wherein, the middle part in the concrete layer is embedded with a reinforcing mesh.
9. The floating vibration damping system according to claim 5, wherein:
wherein, the inside wall of leading the wall is equipped with the plastic antivibration sound-proof board.
10. The floating vibration damping system according to claim 9, wherein:
and a layer of non-hardening sealant is injected between the guide wall and the concrete layer and at the upper end of the plastic anti-vibration sound insulation plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921450775.3U CN210797937U (en) | 2019-09-03 | 2019-09-03 | Point type floating vibration reduction pad and floating vibration reduction system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921450775.3U CN210797937U (en) | 2019-09-03 | 2019-09-03 | Point type floating vibration reduction pad and floating vibration reduction system |
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| CN210797937U true CN210797937U (en) | 2020-06-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115977326A (en) * | 2023-03-16 | 2023-04-18 | 北京建工集团有限责任公司 | Construction method for floating roof |
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2019
- 2019-09-03 CN CN201921450775.3U patent/CN210797937U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115977326A (en) * | 2023-03-16 | 2023-04-18 | 北京建工集团有限责任公司 | Construction method for floating roof |
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