A kind of bridge sound barrier acoustic fixing device and sound-absorbing method of plate installation
Technical field
The present invention relates to the mechanisms for fixing article, more particularly to a kind of abatvoix for fixing bridge sound barrier
Fixing device, and using the fixing device installation bridge sound barrier acoustic method.
Background technology
Since vehicle will produce strong noise when high speed is current, the Health and Living of these noise on human bodies causes
Extremely huge harm, so in order to mitigate the influence of noise, the Chang Huian on the bridge both sides fence by residential area, quotient area
Sound barrier is filled to realize sound insulation and noise reduction.
Existing bridge noise barrier structure is as shown in Figure 1, the H profile steel 101 including being installed vertically on bridge, abatvoix
102 end is installed in the opening of the H-shaped in H profile steel, and rubber strip 103 is placed between abatvoix and H profile steel.This kind of bridge
Noise barrier structure is due to that can not accomplish zero error between each parts, and rubber strip lacks external force and squeezes it, causes to inhale
Soundboard can not be closely bonded with rubber strip.When vehicle by when, abatvoix will produce vibrations and end will reciprocating collision rubber
Adhesive tape is easy to fall off so as to cause rubber strip, or even abatvoix damage is caused to fall and cause great security risk.
Invention content
The goal of the invention of the present invention is to provide a kind of fixing device and use for fixing bridge sound barrier acoustic
The method that the fixing device installs bridge sound barrier acoustic, to improve the fixing intensity of abatvoix, reduce rubber strip fall off or
The risk of abatvoix damage.
Bridge sound barrier acoustic fixing device of the present invention, including the fixed plate that is fixedly installed on bridge, Gu
The plate face of fixed board is on bridge or is obliquely installed on bridge, and the two sides of fixed plate are separately installed with flange plate, and the wing
Listrium is parallel with bridge direction, and fixed plate and two flange plates surround the placement space for placing abatvoix end, on two flange plates
Opposite to each other to side be separately installed with extending bracket, one end of extending bracket is fixing end and is fixedly installed on flange plate, is prolonged
The other end for stretching holder is external part and extend out to except the perspective plane of flange plate;Separately there is fixing bolt to extend through stretching for holder
Outlet, and one end of fixing bolt is directed toward abatvoix and is equipped with backing plate, and rubber strip and phase are provided between backing plate and abatvoix
It mutually pushes against, spiral shell is separately installed with to opposite location nut positioned at the both sides for extending through holder on fixing bolt.
Sound-absorbing method of plate installation of the present invention, includes the following steps:
A, location nut is screwed on fixing bolt, then passes through fixing bolt from the inside of extending bracket external part, then
Location nut is screwed on fixing bolt;
B, the end of abatvoix is put between two opposite backing plates;
C, the location nut being installed on the fixing bolt on the outside of bridge is adjusted, then adjusts the fixing bolt being installed on the inside of bridge
On location nut, so that two backing plates being relatively fixed on bolt is formed fixation to abatvoix from both sides.
Bridge sound barrier acoustic fixing device of the present invention and sound-absorbing method of plate installation, fixed plate and flange plate are total
With the column formd for fixing abatvoix, wherein fixed plate optionally can be set as vertical or heeling condition, only need
The installation place of itself and bridge has certain angle rather than is mutually parallel;And extending bracket from the outside of flange plate extend and
Go out, the fixing bolt for being equipped with backing plate is penetrated on the external part of extending bracket, and positioned at extending bracket on fixing bolt
Both sides are screwed into corresponding location nut;Then, one end of abatvoix is put into the sky of the placement between fixed plate and two flange plates
In, at this point, it is opposite with backing plate in place of placement space on abatvoix, rubber strip is put into make to delay between this is opposite
Punching, then turn the location nut being located on fixing bolt between extension between cushion block makes under the action of the location nut
Cushion block and rubber strip compress abatvoix, then turn another location nut again, fixing bolt is positioned on extending bracket.It is logical
The use for crossing the bridge sound barrier acoustic fixing device, bridge is installed under the premise of not changing abatvoix specification by abatvoix
The placement space that Liang Shang, fixed plate and flange plate surround can apply limit from the side of abatvoix and two sides, meanwhile, it is installed on
Fixing bolt and backing plate will apply abatvoix from abatvoix both sides and squeeze on extending bracket, on the one hand can make abatvoix and
Rubber strip fits closely, and on the other hand, extending bracket has certain elasticity, and it is more accurate and effective to be provided to abatvoix
Pressure.During the work time, the vibrations that automobile is travelled on bridge and generated will make fixed plate, flange plate and abatvoix production
Raw synchronous vibrating, and should during, rubber strip under the action of extending bracket, fixing bolt and backing plate will always with abatvoix
It mutually compressing, to can both improve the fixing intensity of abatvoix, it is possibility to have effect avoids rubber strip and abatvoix from falling, to
Greatly improve its security performance.And when installing abatvoix, the fixing bolt on the outside of bridge is first adjusted, then adjust in bridge
On the one hand the fixing bolt of side can more easily be such that abatvoix is arranged along bridge, be more bonded the arc shape of bridge, separately
On the one hand, the fixing bolt on the inside of bridge is finally adjusted, operating personnel more easily can operate or adjust, be conducive to
Improve the convenience and accuracy of installation.
Description of the drawings
Fig. 1 is the structural schematic diagram of existing highway bridge sound barrier.
Fig. 2 is the structural schematic diagram of bridge sound barrier acoustic fixing device of the present invention.
Fig. 3,4,5 are three kinds of different embodiments structural schematic diagrams of fixed plate and flange plate respectively.
Fig. 6 is the structural schematic diagram of extending bracket.
Specific implementation mode
A kind of bridge sound barrier acoustic fixing device, including the fixed plate 1 that is fixedly installed on bridge, the plate of fixed plate
Face is on bridge or is obliquely installed on bridge, and the two sides of fixed plate are separately installed with flange plate 2, and flange plate and bridge
Beam direction is parallel, and fixed plate and two flange plates surround the placement space for placing abatvoix end, on two flange plates opposite to each other to
Side is separately installed with extending bracket 3, and one end of extending bracket is fixing end and is fixedly installed on flange plate, extending bracket
The other end is external part and extend out to except the perspective plane of flange plate;Separately there is the external part that fixing bolt 4 extends through holder, and
It is directed toward abatvoix and backing plate 5 is installed, rubber strip 6 is provided between backing plate and abatvoix and is mutually supported in one end of fixing bolt
Tightly, spiral shell is separately installed with to opposite location nut 7 positioned at the both sides for extending through holder on fixing bolt.
As shown in Fig. 2, extending bracket extends on the outside of flange plate, the fixing bolt for being equipped with backing plate is penetrated and is prolonged
It stretches on the external part of holder, and the both sides positioned at extending bracket on fixing bolt are screwed into corresponding location nut;Then, will
One end of abatvoix is put into the placement space between fixed plate and two flange plates, at this point, on abatvoix close to placement space it
Place is opposite with backing plate, and rubber strip is put into buffer between this is opposite, then turns and is located between extension on fixing bolt
Location nut between cushion block makes cushion block and rubber strip compress abatvoix, then turns again under the action of the location nut
Another location nut, fixing bolt is positioned on extending bracket.
The bridge sound barrier acoustic fixing device, fixed plate 1 can be arranged perpendicular to bridge, as shown in Figure 3;?
It can be obliquely installed on bridge, as shown in Figure 4;To form bridge sound barrier of different shapes.In addition, flange plate 2 can be with
Protrude from the wherein side of fixed plate 1, as shown in Figure 3,4, for installing unilateral abatvoix, similarly, flange plate 2 can also in
Portion is connected to the side of fixed plate 1, and the both sides of flange plate extend to except the two sides of fixed plate, to install the sound-absorbing of both sides
Plate, as shown in Figure 5.In addition, being separately installed with several pieces of extending brackets 3 in different height on flange plate 2, on each extending bracket
It is provided with the fixing bolt 4 of backing plate 5;Or fixing bolt 4 is mounted on each extending bracket, all fixing bolts with it is same
Block backing plate 5 is connected, and to realize different fixed effects, meets needed for different work.
As shown in fig. 6, extending bracket 3 includes the support plate 31 outwardly extended from flange plate 2, the end of support plate
Equipped with the mounting plate 32 being mutually parallel with flange plate, the end of mounting plate is the external part of extending bracket, this kind of shape is prolonged
It is simple to stretch supporting structure, be easy to make and installs, and can make extending bracket that there is certain elasticity, so as to preferably to inhaling
Soundboard applies pressure, improves the fixing intensity of abatvoix.
Sound-absorbing method of plate installation of the present invention, includes the following steps:
A, location nut is screwed on fixing bolt, then passes through fixing bolt from the inside of extending bracket external part, then
Location nut is screwed on fixing bolt;
B, the end of abatvoix is put between two opposite backing plates;
C, the location nut being installed on the fixing bolt on the outside of bridge is adjusted, then adjusts the fixing bolt being installed on the inside of bridge
On location nut, so that two backing plates being relatively fixed on bolt is formed fixation to abatvoix from both sides.
The sound-absorbing method of plate installation is placed when being put into abatvoix between two backing plates in the both sides of abatvoix
Rubber strip, and rubber strip is made to be positioned between abatvoix and backing plate, to form more safe and stable fixation using rubber strip
Effect.
The sound-absorbing method of plate installation is first adjusted on fixing bolt when adjusting location nut to position fixing bolt
Location nut between abatvoix and extending bracket, and location nut and the medial surface of extending bracket external part is made to offset;
Then the location nut backwards to abatvoix one end on fixing bolt is adjusted again, and the location nut on the end is made to be stretched with extending bracket
The lateral surface of outlet offsets.The location nut for first adjusting inside, makes the extension elongation of fixing bolt determine, is formed just to abatvoix
Then the limit of step adjusts the location nut in outside, can both improve the convenience of operation again, be also beneficial to improve adjusting essence
Degree.