CN102287578A - Spring-rubber vibration isolating hanging frame for damping vibration and reducing noise for warm ventilation pipe - Google Patents
Spring-rubber vibration isolating hanging frame for damping vibration and reducing noise for warm ventilation pipe Download PDFInfo
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- CN102287578A CN102287578A CN2011102175045A CN201110217504A CN102287578A CN 102287578 A CN102287578 A CN 102287578A CN 2011102175045 A CN2011102175045 A CN 2011102175045A CN 201110217504 A CN201110217504 A CN 201110217504A CN 102287578 A CN102287578 A CN 102287578A
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Abstract
The invention relates to a spring-rubber vibration isolating hanging frame for damping vibration and reducing noise for a warm ventilation pipe, which is arranged on the indoor top of a building. The hanging frame comprises a first framework, a vibration isolating cushion which is paved on the inner wall of the first framework and closely coats the belly of the warm ventilation pipe, and two sets of suspended vibration isolating components. The first framework comprises a U-shaped pipe clamp, and a beam which is positioned below the warm ventilation pipe and fixedly connected with the opening end of the U-shaped pipe clamp to form an enclosed framework structure with the U-shaped pipe clamp. Each suspended vibration isolating component comprises an upper hanging rod, a spring vibration isolator and a lower hanging rod which are vertically connected in sequence. The spring-rubber vibration isolating hanging frame has good vibration isolating and shake resisting effects on the overall warm ventilation pipe, and good vibration isolating and noise reducing effects on the local part of the ventilation pipe, and is particularly suitable for places which have high requirements on indoor equipment safety and acoustic environment, such as the master control room of a nuclear power station, a film and television workstation and the like.
Description
Technical field
The present invention relates to a kind of hanger device of HVAC airduct, relate in particular to a kind of be applicable to have higher antidetonation, the spring rubber vibration isolation suspension bracket that is used for HVAC airduct vibration and noise reducing of the special indoor scenarios of vibration isolation and noise reduction demand.
Background technique
Central HVAC system all is installed in places such as large-scale commercial building, nuclear power station master-control room, video display work station, large-scale commercial buildings,, gives comfortable and safe working environment of office work personnel to keep room temperature and air ventilation.But the vibrating noise of HVAC airduct and quake-resistant safety problem perplex people for a long time.Blast wandering causes airduct from breathing vibration and noise radiation, and fan vibration causes the noise and vibration of airduct and suspension bracket thereof, and the Security of HVAC airduct and hanger structure under the earthquake conditions, all is the significant problem that merits attention.
The HVAC Air duct hanging bracket that uses mainly contains supporting type suspension and support, spring support hanging frame, variable spring support hanging frame and rubber suspension and support at present.Yet there is following shortcoming respectively in they:
1, the supporting type suspension and support is not owing to take any vibration insulation and noise reduction structure or parts, the total parts are rigidly connected, structural rigidity is fixing cannot regulate, therefore, the Security of the structure of HVAC air-line system under nominal situation can only be guaranteed, and the effect of vibration isolation, antidetonation, noise reduction can not be played;
2, spring support hanging frame, variable spring support hanging frame and rubber suspension and support, entire system there are certain vibration isolation, antidetonation, noise reduction effect, but because they are at structure or the parts of airduct belly without any the localized vibration of restriction airduct, therefore, they all can not effectively reduce the noise that the thin-walled airduct causes because of the local breathing vibration of tube wall under pressure fluctuation.
Therefore, press for now the structure of HVAC Air duct hanging bracket is improved, to satisfy the use needs of special occasions with antidetonation, vibration isolation and noise reduction demand.
Summary of the invention
In order to solve the problem that above-mentioned prior art exists, the present invention aims to provide a kind of spring rubber vibration isolation suspension bracket that is used for HVAC airduct vibration and noise reducing, plays the effect of good vibration isolation, antidetonation, noise reduction with and part whole to the HVAC air-line system.
A kind of spring rubber vibration isolation suspension bracket that is used for HVAC airduct vibration and noise reducing of the present invention is installed in the indoor civil engineering top of building, and described suspension bracket comprises:
First framework;
Be laid on the vibration isolator that also closely wraps the belly of described HVAC airduct on described first frame inner wall; And
Suspention vibration isolation assembly, this suspention vibration isolation assembly comprises upper hanger, spring vibration isolation device and the following suspension rod that vertically connects successively, wherein:
Described upper hanger is fixedly connected on the indoor civil engineering top of described building by pushing up solid steel plate;
Described suspension rod down is connected with described first frame fixation, so that described first framework is lifted on the indoor civil engineering top of described building.
At the above-mentioned spring rubber vibration isolation suspension bracket that is used for HVAC airduct vibration and noise reducing, described first framework comprises that opening end that a U-shaped pipe clamp and is positioned at described HVAC airduct below and is fixedly connected on described U-shaped pipe clamp is to constitute the crossbeam of closed frame structure with this U-shaped pipe clamp.
At the above-mentioned spring rubber vibration isolation suspension bracket that is used for HVAC airduct vibration and noise reducing, described U-shaped pipe clamp comprises that one is positioned at last angle steel and two side angle steel that lay respectively at described HVAC airduct both sides and be fixedly connected on described last angle steel two ends of described HVAC airduct top, the lower end level of described side angle steel is bent into one section and is used for the following angle steel of fixedlying connected with described crossbeam, so that described vibration isolator blocks the belly of HVAC airduct.
At the above-mentioned spring rubber vibration isolation suspension bracket that is used for HVAC airduct vibration and noise reducing, the quantity of described suspention vibration isolation assembly is two covers, and two cover suspention vibration isolation assemblies with the center line of described U-shaped pipe clamp for being connected the two ends of described crossbeam symmetrically.
At the above-mentioned spring rubber vibration isolation suspension bracket that is used for HVAC airduct vibration and noise reducing, described spring vibration isolation device comprises:
Second framework that end face is fixedlyed connected with described upper hanger;
Be fixedly connected on the damping block on the described second framework inner bottom surface, its upper surface is provided with a groove; And
Be arranged on the spring of the described second framework inside, the one end is fixedly connected in the groove of described damping block, and the other end is fixedlyed connected with a precompressed steel plate;
Wherein, the center of the described second framework bottom surface, damping block surface and precompressed surface of steel plate is provided with accordingly and is used for the ccontaining described screw of suspension rod down, so that described suspension rod down passes the second framework bottom surface, damping block, spring inner and precompressed steel plate successively and fixedlys connected with second framework and precompressed steel plate.
At the above-mentioned spring rubber vibration isolation suspension bracket that is used for HVAC airduct vibration and noise reducing, described upper hanger is connected by the solid steel plate in a unequal angle and described top.
At the above-mentioned spring rubber vibration isolation suspension bracket that is used for HVAC airduct vibration and noise reducing, described vibration isolator is bonded on the inwall of described first framework by glue.
At the above-mentioned spring rubber vibration isolation suspension bracket that is used for HVAC airduct vibration and noise reducing, described vibration isolator is made for the rubber material.
At the above-mentioned spring rubber vibration isolation suspension bracket that is used for HVAC airduct vibration and noise reducing, described crossbeam is a channel-section steel, and described U-shaped pipe clamp is connected with the upside cell wall of channel-section steel, and described suspension rod down all is connected with the upper and lower both sides cell wall of channel-section steel.
Owing to adopted above-mentioned technical solution, the present invention wraps HVAC airduct belly by first framework that employing is provided with suitable vibration isolator, and adopt the suspention vibration isolation assembly that has suitable spring vibration isolation device first framework of slinging (performance parameter of vibration isolator and spring vibration isolation device can compose and suitably choose after Mechanics Calculation according to the weight and the excitation load of HVAC airduct), thereby can either play good vibration isolation and antihunt action to HVAC airduct integral body, can also play good vibration isolation and noise reduction effect the airduct part; The present invention is specially adapted to nuclear power station master-control room and video display work station etc. to the higher occasion of indoor equipment safety harmony environmental requirement.
Description of drawings
Fig. 1 is the structural representation of the preferred embodiment of a kind of spring rubber vibration isolation suspension bracket that is used for HVAC airduct vibration and noise reducing of the present invention;
Fig. 2 is the local enlarged diagram at A place among Fig. 1;
Fig. 3 is that the B of Fig. 2 is to view;
Fig. 4 is the structure plan view of medi-spring vibration isolator of the present invention;
Fig. 5 is that the C-C of Fig. 4 is to view;
Fig. 6 is that the D-D of Fig. 4 is to view.
Embodiment
Below in conjunction with accompanying drawing, provide preferred embodiment of the present invention, and described in detail.
See also Fig. 1 to Fig. 6, the present invention, promptly a kind of spring rubber vibration isolation suspension bracket that is used for HVAC airduct vibration and noise reducing, it is installed in the indoor civil engineering top of building, is generally reinforced concrete floor, and the environment of smooth installation surface is arranged.Suspension bracket comprises first framework, vibration isolator 7 and two cover suspention vibration isolation assemblies.
First framework comprises that opening end that a U-shaped pipe clamp 6 and is positioned at HVAC airduct 8 belows and is fixedly connected on U-shaped pipe clamp 6 is to constitute the crossbeam 1 of closed frame structures with this U-shaped pipe clamp 6;
Vibration isolator 7 is firmly pasted on first frame inner wall by the glue special of the sticking metal of rubber, and closely wraps the belly of every joint HVAC airduct 8 of being sling;
Two cover suspention vibration isolation assemblies are the two ends that are connected crossbeam 1 symmetrically with the center line of U-shaped pipe clamp 6, and every cover suspention vibration isolation assembly comprises upper hanger 21, spring vibration isolation device 3 and the following suspension rod 22 that vertically connects successively, wherein:
Following suspension rod 22 is connected with first frame fixation, promptly is connected on the crossbeam 1, thereby makes first framework be lifted on the indoor top of building.
U-shaped pipe clamp 6 among the present invention comprises that one is positioned at last angle steel 61 and two side angle steel 62 that lay respectively at described HVAC airduct both sides of HVAC airduct 8 tops, and goes up angle steel 61 and side angle steel 62 is L type Equal Angle Steel, wherein:
The two ends of last angle steel 61 are welded with a square steel plate 610 separately along inboard Vertical direction, and the length of side of steel plate 610 is consistent with the length of side of last angle steel 61 inboards, be provided with bolt hole in the middle of the steel plate 610, so that two side angle steel 62 are bolted to connection the two ends at last angle steel 61;
The lower end level of each side angle steel 62 is bent into one section following angle steel 63, and following angle steel 63 is provided with bolt hole, to be connected with crossbeam 1 bolt, form rectangular frame structure, i.e. first framework, and, make vibration isolator 7 that the pretension decrement of suitably choosing through Mechanics Calculation take place by regulating the bolt everywhere of first framework, block the belly of HVAC airduct 8, and then the airduct of slinging.
Spring vibration isolation device 3 among the present invention is mainly used in the excitation load of isolation from floor, the whole upper and lower vibration of buffering airduct.Its rigidity, damping and utmost carrying ability must be composed to calculate and choose according to the weight of airduct and excitation load, and it can be the manufacturer's standard structure, also can customize.In the present embodiment, spring vibration isolation device 3 comprises second framework 31, spring 32, precompressed steel plate 33 and the damping block 34 of rectangle open type, wherein:
The end face of second framework 31 is provided with screw, and the bottom of upper hanger 21 is provided with one section screw thread, thereby can pass the screw of second framework, 31 end faces, and inside and outside second framework 31, all use nut 9, pad 10 fixedlys connected with second framework 31;
One end of spring 32 closely is fixed in the groove 340 of damping block 34, and the other end is fixedlyed connected with precompressed steel plate 33;
Second framework, 31 bottom surfaces, the central position on damping block 34 surfaces and precompressed steel plate 33 surfaces is provided with accordingly and is used for the ccontaining screw of suspension rod 22 down, there is screw thread on the top of following suspension rod 22 for one section, thereby can make down suspension rod 22 pass second framework, 31 bottom surfaces successively, damping block 34, spring 32 inner and precompressed steel plates 33, and with nut 9, pad 10 is fixedlyed connected with second framework 31 and precompressed steel plate 34, and the initial deformation amount of spring 32 can be set by the position that nut 9 is regulated precompressed steel plate 34, and the performance parameter of spring 32 and damping block 34 and the initial deformation amount of spring 32 all need according to airduct weight, excitation load and vibration isolation require to obtain through Mechanics Calculation.
Vibration isolator 7 among the present invention be used to prevent airduct from breathing vibration, promptly the local breathing vibration of airduct is played and is isolated and the buffering effect, and reduce noise radiation, it can select suitable material parameter according to the vibration isolation needs.In the present embodiment, vibration isolator 7 is made for the rubber material, is shaped as rectangular plate shape, and its length and width are decided according to the angle steel and the channel-section steel size of first framework, and its thickness and pretension decrement need be decided according to the vibration isolating effect of Mechanics Calculation; Certainly, vibration isolator 7 also can be that very nearly the same other of physical property parameter of material and rubber made than softwood matter.
Crossbeam 1 among the present invention is a channel-section steel, and upper and lower suspension rod 21,22 is round steel; U-shaped pipe clamp 6 all is connected with the cell wall of channel-section steel by bolt with following suspension rod 22, and promptly vertically place the channel-section steel side, and wherein, the side angle steel 62 of U-shaped pipe clamp 6 is connected with the upper opening cell wall bolt of channel-section steel; There is one section screw thread the lower end of following suspension rod 22, passes the bolt hole on the upper and lower both sides cell wall of channel-section steel, will descend suspension rod 22 to fixedly connected with the both sides cell wall of channel-section steel by nut, pad; This putting position of channel cross-section and with U-shaped pipe clamp 6, the following bolt fixed mode of suspension rod 22, be intensity, rigidity and fixing demand in order to satisfy structure; The round steel size of the channel-section steel model of crossbeam 1 and upper and lower suspension rod 21,22 all need be composed to calculate and be chosen according to airduct weight and excitation load.
In sum, the present invention can play good antidetonation, vibration isolation and noise reduction effect, and with low cost, be easy to make, easy accessibility, easy to utilize, can provide safety, quiet HVAC environment for the office work personnel.
Above-described, be preferred embodiment of the present invention only, be not in order to limiting scope of the present invention, the above embodiment of the present invention can also be made various variations according to actual conditions.Be that every simple, equivalence of doing according to the claims and the description of the present patent application changes and modification, all fall into the claim protection domain of patent of the present invention.The not detailed description part of the present invention be the routine techniques content.
Claims (9)
1. a spring rubber vibration isolation suspension bracket that is used for HVAC airduct vibration and noise reducing is installed in the indoor civil engineering top of building, it is characterized in that described suspension bracket comprises:
First framework;
Be laid on the vibration isolator that also closely wraps the belly of described HVAC airduct on described first frame inner wall; And
Suspention vibration isolation assembly, this suspention vibration isolation assembly comprises upper hanger, spring vibration isolation device and the following suspension rod that vertically connects successively, wherein:
Described upper hanger is fixedly connected on the indoor top of described building by pushing up solid steel plate;
Described suspension rod down is connected with described first frame fixation, so that described first framework is lifted on the indoor civil engineering top of described building.
2. the spring rubber vibration isolation suspension bracket that is used for HVAC airduct vibration and noise reducing according to claim 1, it is characterized in that described first framework comprises that opening end that a U-shaped pipe clamp and is positioned at described HVAC airduct below and is fixedly connected on described U-shaped pipe clamp is to constitute the crossbeam of closed frame structure with this U-shaped pipe clamp.
3. the spring rubber vibration isolation suspension bracket that is used for HVAC airduct vibration and noise reducing according to claim 2, it is characterized in that, described U-shaped pipe clamp comprises that one is positioned at last angle steel and two side angle steel that lay respectively at described HVAC airduct both sides and be fixedly connected on described last angle steel two ends of described HVAC airduct top, the lower end level of described side angle steel is bent into one section and is used for the following angle steel of fixedlying connected with described crossbeam, so that described vibration isolator blocks the belly of HVAC airduct.
4. structure according to claim 2 is characterized in that: the quantity of described suspention vibration isolation assembly is two covers, and two cover suspention vibration isolation assemblies with the center line of described U-shaped pipe clamp for being connected the two ends of described crossbeam symmetrically.
5. according to claim 1 or 4 described structures, it is characterized in that: described spring vibration isolation device comprises:
Second framework that end face is fixedlyed connected with described upper hanger;
Be fixedly connected on the damping block on the described second framework inner bottom surface, its upper surface is provided with a groove; And
Be arranged on the spring of the described second framework inside, the one end is fixedly connected in the groove of described damping block, and the other end is fixedlyed connected with a precompressed steel plate;
Wherein, the center of the described second framework bottom surface, damping block surface and precompressed surface of steel plate is provided with accordingly and is used for the ccontaining described screw of suspension rod down, so that described suspension rod down passes the second framework bottom surface, damping block, spring inner and precompressed steel plate successively and fixedlys connected with second framework and precompressed steel plate.
6. according to claim 1 or the 4 described spring rubber vibration isolation suspension brackets that are used for HVAC airduct vibration and noise reducing, it is characterized in that: described upper hanger is connected by the solid steel plate in a unequal angle and described top.
7. the spring rubber vibration isolation suspension bracket that is used for HVAC airduct vibration and noise reducing according to claim 1 and 2 is characterized in that described vibration isolator is bonded on the inwall of described first framework by glue.
8. the spring rubber vibration isolation suspension bracket that is used for HVAC airduct vibration and noise reducing according to claim 7, it is characterized in that: described vibration isolator is made for the rubber material.
9. according to claim 2 or the 3 described spring rubber vibration isolation suspension brackets that are used for HVAC airduct vibration and noise reducing, it is characterized in that: described crossbeam is a channel-section steel, and described U-shaped pipe clamp is connected with the upside cell wall of channel-section steel, and described suspension rod down all is connected with the upper and lower both sides cell wall of channel-section steel.
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CN2011102175045A CN102287578A (en) | 2011-07-29 | 2011-07-29 | Spring-rubber vibration isolating hanging frame for damping vibration and reducing noise for warm ventilation pipe |
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CN2011102175045A CN102287578A (en) | 2011-07-29 | 2011-07-29 | Spring-rubber vibration isolating hanging frame for damping vibration and reducing noise for warm ventilation pipe |
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CN2011102175045A Pending CN102287578A (en) | 2011-07-29 | 2011-07-29 | Spring-rubber vibration isolating hanging frame for damping vibration and reducing noise for warm ventilation pipe |
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ES2540476A1 (en) * | 2013-09-24 | 2015-07-09 | Universidad De Sevilla | Technical platform for air conditioning equipment (Machine-translation by Google Translate, not legally binding) |
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CN109969962A (en) * | 2019-03-07 | 2019-07-05 | 上海市安装工程集团有限公司 | A kind of automatic blast pipe hanging apparatus and its application method |
CN114790691A (en) * | 2022-04-14 | 2022-07-26 | 通号建设集团有限公司 | Construction method for steel structure pipe gallery channel under bridge |
CN114790691B (en) * | 2022-04-14 | 2023-10-20 | 通号建设集团有限公司 | Construction method for under-bridge steel structure pipe gallery channel |
CN115832901A (en) * | 2022-12-02 | 2023-03-21 | 山东华控自动化设备有限公司 | Electric control cabinet with noise reduction function |
CN115832901B (en) * | 2022-12-02 | 2024-03-29 | 山东华控自动化设备有限公司 | Electric control cabinet with noise reduction function |
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