CN114164779A - Movable sound barrier structure suitable for road and bridge overlength expansion joint department - Google Patents

Abstract

The invention relates to a movable sound barrier structure suitable for an overlength expansion joint of a road and a bridge, which comprises a plurality of layers of sound barrier unit plates arranged between adjacent steel upright posts, wherein aluminum profiles are fixedly arranged at the top and/or the bottom of each sound barrier unit plate, the adjacent aluminum profiles are clamped together in a relatively sliding manner, the adjacent aluminum profiles are connected together through safety ropes, so that the two adjacent aluminum profiles can be relatively staggered, and the aluminum profiles and/or the sound barrier unit plates positioned at the innermost side and the outermost side are respectively connected with different steel upright posts. The movable sound barrier structure can be normally used under the condition that the requirement for the expansion of the bridge deck of the bridge road and the bridge deck is met and the original effect of the sound barrier is exerted, the sound barrier unit plates are replaced by double layers, three layers or more layers from the traditional single layer, the number of layers can be specifically set according to different expansion amounts, and the movable sound barrier structure can be applied to large-span bridges with very high expansion amount requirement ranges.

Description

Movable sound barrier structure suitable for road and bridge overlength expansion joint department

Technical Field

The invention relates to a movable sound barrier structure suitable for an ultralong expansion joint of a road and a bridge, and particularly belongs to the technical field of road sound barriers.

Background

At present, along with social progress and urban development, a great deal of traffic facilities such as highways, railways, urban rail transit and the like are built, some large-span bridges break through the upper span limit continuously from the first dozens of meters to the last kilometer at present, and along with the lifting of the span, the bridge deck of the road bridge is influenced by thermal expansion and cold contraction, telescopic deformation with different degrees can be generated at the beam end, and the use of a conventional sound barrier has a high probability of causing the screen body to fall off from the inner cavity of the H-shaped steel, so that the inestimable loss is caused. The conventional bridge expansion joint deformation amount is generally between 0 and 200mm, and in order to meet the requirements of bridge deck deformation on the sound barrier, the method of widening the steel upright column flange plate is generally adopted for the sound barrier at the corresponding expansion joint. However, for the extra-large bridge with extra-long expansion (not more than 2000 mm), the screen body cannot be ensured not to fall off only by widening the steel upright column flange plate. Aiming at the problems, the invention provides a movable sound barrier structure suitable for an overlength expansion joint of a road and a bridge, which can be normally used under the condition of meeting the requirement of the expansion of a bridge deck of the bridge and the road and the bridge and can play the original effect of the sound barrier.

Disclosure of Invention

The invention aims to solve the technical problem of providing a movable sound barrier structure suitable for an overlength expansion joint of a road and a bridge, which can be normally used under the condition of meeting the requirement of the expansion of a bridge deck of the bridge and the road and the bridge and can play the original effect of the sound barrier.

In order to solve the problems, the technical scheme adopted by the invention is as follows:

the utility model provides a movable sound barrier structure suitable for road and bridge overlength expansion joint department, its is including setting up the multilayer sound barrier cell board between adjacent steel stand, sound barrier cell board top and/or bottom have set firmly the aluminium alloy, and the card that can relatively slide between the adjacent aluminium alloy is established together, and links together through the safety rope between the adjacent aluminium alloy, makes and can take place relative dislocation between the double-phase adjacent aluminium alloy, and the aluminium alloy that is in the innermost and outside and/or sound barrier cell board link to each other with different steel stands respectively together.

As an embodiment of the invention, two fixed pulleys respectively positioned at the end part and the middle part are horizontally arranged on the aluminum profile, the safety rope sequentially bypasses the fixed pulleys on the plurality of aluminum profiles, two ends of the safety rope are respectively tied on the fixed pulley at the end part of the innermost aluminum profile and the fixed pulley at the middle part of the outermost aluminum profile, a yielding hole is formed in the outer side surface of the aluminum profile corresponding to the fixed pulley at the middle part, the fixed pulley at the middle part is arranged close to the yielding hole, and a long strip-shaped yielding groove corresponding to the safety rope is formed in the inner side surface of the adjacent aluminum profile.

As an embodiment of the invention, the aluminum profile is provided with two sets of upper and lower fixed pulleys, and the two sets of upper and lower fixed pulleys are provided with two corresponding safety ropes.

As an implementation mode of the invention, the aluminum profile comprises an aluminum profile I and a plurality of aluminum profiles II, wherein horizontal mounting plates I are symmetrically arranged at the upper part and the lower part in the aluminum profile I, openings I are symmetrically arranged at the top and the bottom of the aluminum profile I, and a clamping groove I is arranged at the right side of the aluminum profile I; the upper portion and the lower part symmetry are equipped with horizontally mounting panel two in the aluminium alloy two, two tops of aluminium alloy and bottom symmetry are equipped with opening two, two right sides of aluminium alloy are equipped with draw-in groove two, the left side be equipped with the fixture block of draw-in groove one and draw-in groove two-phase adaptation.

As an implementation mode of the invention, the fixed pulley is arranged on the outer sides of the first mounting plate and the second mounting plate, the abdicating hole is arranged on the right side of the first aluminum profile and the second aluminum profile, and the abdicating groove is arranged on the left side of the second aluminum profile and is flush with the abdicating hole.

As an embodiment of the invention, rails are arranged on the inner sides of the first mounting plate and the second mounting plate, rollers corresponding to the rails are arranged on the fixture blocks, and limit stops are arranged at two ends of the rails.

In an embodiment of the present invention, the aluminum bar has a gamma-shape at upper and lower ends thereof, so that the installation of the fixed pulley is facilitated, and the fixed pulley is protected when a plurality of sound barrier unit panels are stacked one on another.

As an implementation mode of the invention, the fixed pulley at the end part of the innermost aluminum section and the fixed pulley at the middle part of the outermost aluminum section are provided with automatic contraction devices, so that the safety rope is always in a tight state, two ends of the safety rope are wound on the fixed pulley at the end part of the innermost aluminum section and the fixed pulley at the middle part of the outermost aluminum section, and the fixed pulleys are provided with limiting devices for preventing the safety rope from being separated.

As an embodiment of the invention, two upright posts respectively positioned at the end part and the middle part are arranged on the aluminum profile, two ends of the safety rope are respectively tied on the upright post at the middle part of the inner aluminum profile and the upright post at the end part of the outer aluminum profile, a yielding hole is arranged at the position of the outer side surface of the aluminum profile corresponding to the upright post at the middle part of the aluminum profile, the upright post at the middle part is arranged close to the yielding hole, and a strip-shaped yielding groove corresponding to the safety rope is arranged at the inner side surface of the adjacent aluminum profile.

As an embodiment of the invention, the upright post is sleeved with a fixed pulley, the fixed pulley is provided with an automatic contraction device, so that the safety rope is always in a tight state, two ends of the safety rope are wound on the fixed pulley, and the fixed pulley is provided with a limiting device for preventing the safety rope from being separated.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

the movable sound barrier structure suitable for the road and bridge overlength expansion joint provided by the invention can be normally used under the condition of meeting the requirement of the expansion of the bridge deck of the bridge and the road and bridge and can play the original effect of the sound barrier, the unit plates of the sound barrier are replaced by two layers, three layers or more layers from the traditional single layer, the number of the layers can be specifically set according to different expansion amounts, and the movable sound barrier structure can be applied to large-span bridges with very high requirements on the expansion amounts. But relative gliding card is established together between the adjacent aluminium alloy, and links together through the safety rope between the adjacent aluminium alloy, and the length setting of safety rope carries on spacingly according to the removal of sound barrier cell board, and the limit stop at track both ends also removes the gyro wheel and carries on spacingly simultaneously, prevents that the displacement range of gyro wheel from surpassing the aluminium alloy, and safety rope and limit stop have carried out dual spacing to the displacement of sound barrier cell board, guarantee that it does not take place the obscission at the removal in-process.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a schematic sectional view at a-a in fig. 1.

Fig. 3 is a partially enlarged schematic view of a portion a of fig. 2.

Fig. 4 is a schematic sectional view at B-B in fig. 1.

Fig. 5 is a schematic view of the elongated structure of fig. 4.

Fig. 6 is an exploded view of the aluminum profile of the present invention.

Fig. 7 is a structural schematic diagram of the first aluminum profile in the invention.

Fig. 8 is another structural schematic diagram of the first aluminum profile in the invention.

Fig. 9 is a schematic structural view of the second aluminum profile in the invention.

Fig. 10 is another schematic structural view of the second aluminum profile of the invention.

Wherein: the sound barrier structure comprises a steel upright post 1, a sound barrier unit plate 2, an aluminum profile 3-1I, an aluminum profile 3-1-1I, an opening 3-1-2I, a clamping groove 3-1-3I, an aluminum profile 3-2 II, an aluminum profile 3-2-1 II, an opening 3-2-2 II, a clamping groove 3-2-3 II, a clamping block 3-2-4, a yielding hole 3-3, a yielding groove 3-4, a fixed pulley I4, a fixed pulley II 5, a roller 6, a safety rope 7, a fixing bolt 8, a connecting bolt 9, a track 10 and an angle steel 11.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail and fully with reference to the following embodiments.

Example 1:

as shown in fig. 1-5, the movable sound barrier structure suitable for the road and bridge overlength expansion joint comprises a plurality of layers of sound barrier unit plates 2 arranged between adjacent steel columns 1, aluminum profiles are fixedly arranged at the top and/or the bottom of each sound barrier unit plate 2, the adjacent aluminum profiles can be clamped together in a relatively sliding manner, the adjacent aluminum profiles are connected together through safety ropes 7, so that the two adjacent aluminum profiles can be relatively dislocated, and the aluminum profiles and/or the sound barrier unit plates at the innermost side and the outermost side are respectively connected with different steel columns 1. 2 tops of sound barrier cell board and/or bottom link together through connecting bolt 9 and aluminium alloy, and the aluminium alloy and/or the web of sound barrier cell board tip in the most inboard and outside pass through fixing bolt 8 and steel stand 1 link together, steel stand 1 is H shaped steel stand, when the aluminium alloy tip is connected with steel stand 1's web, the aluminium alloy tip is equipped with confined connecting plate, so that fixing bolt 8's setting.

In this embodiment, the aluminium alloy is improved level and is equipped with two fixed pulleys that are located tip and middle part respectively, safety rope 7 walks around from the fixed pulley on a plurality of aluminium alloy in proper order, and both ends are respectively on the fixed pulley of the most inboard aluminium alloy tip and the fixed pulley at outside aluminium alloy middle part, the aluminium alloy lateral surface is equipped with the hole of stepping down 3-3 with middle part fixed pulley corresponding position, and the fixed pulley in middle part is close to the hole of stepping down 3-3 sets up, adjacent aluminium alloy medial surface be provided with the rectangular shape groove of stepping down 3-4 that safety rope 7 corresponds. In order to improve the noise reduction capability and prevent additional noise caused by mutual collision, the adjacent aluminum profiles and the sound barrier unit plates 2 are attached together, and moving spaces are provided for the safety ropes 7 by arranging the abdicating grooves 3-4. Lie in being fixed pulley one 4 of tip on the aluminium alloy, lie in being fixed pulley two 5 at the middle part, 7 one end systems of safety rope are on the fixed pulley one 4 of the aluminium alloy of the most inboard (figure 2 left side and figure 4 downside are inboard), go around two 5 back fixed pulleys of the aluminium alloy of the most inboard and come out from the hole of stepping down 3-3, walk around on fixed pulley one 5 and the fixed pulley 5 of adjacent aluminium alloy in proper order after groove 3-4 are stepped down to adjacent aluminium alloy, wear out from locating hole 3-3 again, walk around according to this, 7 free ends of safety rope are finally on two 5 of fixed pulleys of the aluminium alloy of the outside (figure 2 right side and figure 4 upside are the outside).

As shown in fig. 2, the aluminum profile is arranged on the top of the sound barrier unit plate 2, the fixed pulleys are provided with an upper group and a lower group of corresponding upper safety ropes 7 and lower safety ropes 7, so that stress eccentricity is prevented. As a further optimization, the aluminum profile may be also arranged at the bottom of the sound barrier cell plate 2, and the corresponding fixed pulley and the safety rope 7 may be arranged.

The aluminum profile comprises an aluminum profile I3-1 and a plurality of aluminum profiles II 3-2, wherein horizontal mounting plates I3-1-1 are symmetrically arranged at the upper part and the lower part in the aluminum profile I3-1, openings I3-1-2 are symmetrically arranged at the top and the bottom of the aluminum profile I3-1, and a clamping groove I3-1-3 is arranged at the right side of the aluminum profile I3-1; the upper portion and the lower portion in the second aluminum profile 3-2 are symmetrically provided with a second horizontal mounting plate 3-2-1, the top and the bottom of the second aluminum profile 3-2 are symmetrically provided with a second opening 3-2-2, the right side of the second aluminum profile 3-2 is provided with a second clamping groove 3-2-3, and the left side of the second aluminum profile 3-2 is provided with a clamping block 3-2-4 matched with the first clamping groove 3-1-3 and the second clamping groove 3-2-3. As shown in fig. 6, when assembling, the adjacent aluminum profiles are inserted into the first slot 3-1-3 and the second slot 3-2-3 through the fixture blocks 3-2-4. For further optimization, the inner sides of the first mounting plate 3-1-1 and the second mounting plate 3-2-1 are provided with rails 10, the fixture blocks 3-2-4 are provided with rollers 6 corresponding to the rails 10, and two ends of the rails 10 are provided with limit stops. By providing the rollers 6, the rails 10 and the limit stops, on the one hand, the relative friction is reduced, and on the other hand, the limit stops can prevent the sound barrier unit panels 2 from being separated from each other.

As shown in fig. 7-10, the fixed pulley is arranged at the outer side of the first mounting plate 3-1-1 and the second mounting plate 3-2-1, the abdicating hole 3-3 is arranged at the right side of the first aluminum profile 3-1 and the second aluminum profile 3-2, the abdicating groove 3-4 is arranged at the left side of the second aluminum profile 3-2 and is flush with the abdicating hole 3-3. The upper and lower ends of the aluminum profile are gamma-shaped, so that the installation of the fixed pulley is facilitated, and the fixed pulley can be protected when the plurality of sound barrier unit plates 2 are vertically stacked.

When the aluminum profiles are arranged, the innermost side is the first aluminum profile 3-1, the outer side is the second aluminum profile 3-2, or the outermost side is the first aluminum profile 3-1, and the inner side is the second aluminum profile 3-2. The inner and outer portions are based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the device or element referred to must have a particular orientation.

As a further optimization, automatic retraction devices are arranged on the fixed pulley at the end part of the innermost aluminum section and the fixed pulley at the middle part of the outermost aluminum section, so that the safety rope 7 is always in a tightened state, two ends of the safety rope are wound on the fixed pulley at the end part of the innermost aluminum section and the fixed pulley at the middle part of the outermost aluminum section, and a limiting device for preventing the safety rope 7 from being separated is arranged on the fixed pulley, which is a conventional technical means in the mechanical field and is not repeated herein. The automatic retraction device can be realized by a torsion spring and the like, which is a conventional technical means in the mechanical field and is not described herein in detail. When the automatic contraction device is not arranged, the fixed pulley can be replaced by an upright post.

As further optimization, arc-shaped angles are arranged at the positions 3-3 of the abdicating holes, so that abrasion between the abdicating holes and the safety rope 7 is reduced, and the safety rope 7 is a steel wire rope.

As a further optimization, as shown in fig. 5, an angle steel 11 is arranged between the inner sides of the innermost and outermost aluminum profiles and/or the sound barrier cell plates 2 and the web of the steel upright 1, so as to prevent the sound barrier cell plates 2 from tilting during the sliding process. As a further improvement, the steel plate of the angle steel 11 contacting with the innermost and outermost aluminum profiles and/or the sound barrier unit plates 2 is in a slope shape, so as to prevent interference with the middle sound barrier unit plate 2.

The movable sound barrier structure suitable for the road and bridge overlength expansion joint provided by the invention can be normally used under the condition of meeting the requirement of the expansion of the bridge deck of the bridge and the road and bridge and can play the original effect of the sound barrier, the unit plates 2 of the sound barrier are replaced by two layers, three layers or more layers from the traditional single layer, the number of the layers can be specifically set according to different expansion amounts, and the movable sound barrier structure can be applied to large-span bridges with very high expansion amount requirement range, as shown in fig. 4 and 5, as the expansion joint is expanded, the multiple layers of the unit plates 2 of the sound barrier are mutually staggered, and still play a good sound insulation and noise reduction effect. But relative gliding card is established together between the adjacent aluminium alloy, and link together through safety rope 7 between the adjacent aluminium alloy, the length setting of safety rope 7 carries on spacingly according to the removal of sound barrier cell board 2, the limit stop at track 10 both ends also removes gyro wheel 6 simultaneously and carries on spacingly, prevent that the displacement range of gyro wheel 6 from surpassing the aluminium alloy, safety rope 7 and limit stop have carried out dual spacing to the displacement of sound barrier cell board 2, guarantee that it does not take place the obscission at the removal in-process.

Example 2:

this example differs from example 1 in that: be equipped with two stands that are located tip and middle part respectively on the aluminium alloy and replace fixed pulley, a plurality of 7 both ends of safety rope are respectively on the stand at inboard aluminium alloy middle part and the stand of outside aluminium alloy tip, are different from in embodiment 1 safety rope 7 passes from a plurality of aluminium alloys, and both ends are only tied the structural style on the aluminium alloy of the most inboard and outside. The different structural forms of the embodiment 1 and the embodiment 2 are selectively used according to different production processes and field installation conditions.

As a further optimization, the upright post is sleeved with a fixed pulley, the fixed pulley is provided with an automatic contraction device, so that the safety rope 7 is always in a tight state, two ends of the safety rope are wound on the fixed pulley, and the fixed pulley is provided with a limiting device for preventing the safety rope 7 from being separated.

Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art may still make modifications to the technical solutions described in the foregoing embodiments, or may substitute some technical features of the embodiments; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides a movable sound barrier structure suitable for road and bridge overlength expansion joint department which characterized in that: it is including setting up multilayer sound barrier cell board (2) between adjacent steel stand (1), sound barrier cell board (2) top and/or bottom have set firmly the aluminium alloy, but relative gliding card is established together between the adjacent aluminium alloy, and links together through safety rope (7) between the adjacent aluminium alloy, makes and can take place relative dislocation between the two adjacent aluminium alloy, and the aluminium alloy and/or the sound barrier cell board that are in the innermost and outside link to each other with different steel stand (1) respectively together.

2. The movable sound barrier structure applicable to the road and bridge overlength expansion joint as claimed in claim 1, wherein: the aluminum profile is improved to be horizontally provided with two fixed pulleys respectively located at the end part and the middle part, the safety rope (7) sequentially bypasses the fixed pulleys on the aluminum profiles, the two ends of the safety rope are respectively tied to the fixed pulley at the end part of the innermost aluminum profile and the fixed pulley at the middle part of the outermost aluminum profile, the outer side surface of the aluminum profile is provided with a yielding hole (3-3) corresponding to the fixed pulley at the middle part, the fixed pulley at the middle part is close to the yielding hole (3-3), and the inner side surface of the adjacent aluminum profile is provided with a strip-shaped yielding groove (3-4) corresponding to the safety rope (7).

3. The movable sound barrier structure applicable to the road and bridge overlength expansion joint as claimed in claim 2, wherein: the fixed pulleys are arranged on the aluminum profile, and are provided with an upper group and a lower group which are provided with two corresponding upper safety ropes (7) and two corresponding lower safety ropes (7).

4. The movable sound barrier structure applicable to the road and bridge overlength expansion joint as claimed in any one of claims 1 to 3, wherein: the aluminum profile comprises a first aluminum profile (3-1) and a plurality of second aluminum profiles (3-2), wherein horizontal mounting plates (3-1-1) are symmetrically arranged at the upper part and the lower part in the first aluminum profile (3-1), openings (3-1-2) are symmetrically arranged at the top and the bottom of the first aluminum profile (3-1), and a clamping groove (3-1-3) is arranged at the right side of the first aluminum profile (3-1); the upper portion and the lower portion of the interior of the second aluminum profile (3-2) are symmetrically provided with a second horizontal mounting plate (3-2-1), the top and the bottom of the second aluminum profile (3-2) are symmetrically provided with a second opening (3-2-2), the right side of the second aluminum profile (3-2) is provided with a second clamping groove (3-2-3), and the left side of the second aluminum profile (3-2) is provided with a clamping block (3-2-4) matched with the first clamping groove (3-1-3) and the second clamping groove (3-2-3).

5. The movable sound barrier structure applicable to the road and bridge overlength expansion joint as claimed in claim 4, wherein: the fixed pulley is arranged on the outer sides of the first mounting plate (3-1-1) and the second mounting plate (3-2-1), the abdicating holes (3-3) are formed in the right sides of the first aluminum profile (3-1) and the second aluminum profile (3-2), and the abdicating grooves (3-4) are formed in the left side of the second aluminum profile (3-2) and are parallel and level to the abdicating holes (3-3).

6. The movable sound barrier structure applicable to the road and bridge overlength expansion joint as claimed in claim 4, wherein: the inner sides of the first mounting plate (3-1-1) and the second mounting plate (3-2-1) are provided with rails (10), the clamping blocks (3-2-4) are provided with rollers (6) corresponding to the rails (10), and two ends of each rail (10) are provided with limit stops.

7. The movable sound barrier structure applicable to the road and bridge overlength expansion joint as claimed in claim 4, wherein: the upper end and the lower end of the aluminum section are gamma-shaped, so that the fixed pulley is convenient to mount, and the fixed pulley can be protected when a plurality of sound barrier unit plates (2) are vertically stacked.

8. The movable sound barrier structure applicable to the road and bridge overlength expansion joint as claimed in claim 2, wherein: automatic contraction devices are arranged on the fixed pulley at the end part of the innermost aluminum section and the fixed pulley at the middle part of the outermost aluminum section, so that the safety rope (7) is always in a tightening state, two ends of the safety rope are wound on the fixed pulley at the end part of the innermost aluminum section and the fixed pulley at the middle part of the outermost aluminum section, and a limiting device for preventing the safety rope (7) from being separated from the fixed pulley is arranged on the fixed pulley.

9. The movable sound barrier structure applicable to the road and bridge overlength expansion joint as claimed in claim 1, wherein: the aluminum profile is provided with two stand columns which are respectively located at the end part and the middle part, two ends of the safety rope (7) are respectively tied on the stand column at the middle part of the inner aluminum profile and the stand column at the end part of the outer aluminum profile, the outer side surface of the aluminum profile is provided with a yielding hole (3-3) corresponding to the stand column at the middle part of the aluminum profile, the stand column at the middle part is close to the yielding hole (3-3), and the inner side surface of the adjacent aluminum profile is provided with a strip-shaped yielding groove (3-4) corresponding to the safety rope (7).

10. The movable sound barrier structure applicable to the road and bridge overlength expansion joint as claimed in claim 9, wherein: the safety rope is characterized in that a fixed pulley is sleeved on the upright post, an automatic contraction device is arranged on the fixed pulley, the safety rope (7) is always in a tight state, two ends of the safety rope are wound on the fixed pulley, and a limiting device for preventing the safety rope (7) from being separated from the fixed pulley is arranged on the fixed pulley.

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