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CN-224213170-U - Road and bridge noise reduction frame

CN224213170UCN 224213170 UCN224213170 UCN 224213170UCN-224213170-U

Abstract

The utility model relates to the technical field of road and bridge noise reduction, in particular to a road and bridge noise reduction frame which comprises a noise reduction frame, a support base and a limiting structure, wherein the lower end of a first baffle plate in the noise reduction frame is connected with a first support plate in the support base through bolts, the interior of the first support plate is hollowed into a first slot, a second support plate in the limiting structure is movably connected in the first slot, the outer side of the sound insulation plate can be protected through clamping the sound insulation plate through the first baffle plate and the second baffle plate, the first baffle plate, the sound insulation plate and the second baffle plate can be supported through the support plates, the two sides of the lower ends of the first baffle plate, the sound insulation plate and the second baffle plate can be movably connected in a sliding-out mode through a sliding block, the second support plate can be inserted and connected through the first slot, a first rivet can be inserted and connected through a jack, and the first support plate can be limited at the upper end of a cement base through the first rivet.

Inventors

  • QIAN HAIBIN
  • Ren Lianwu
  • ZHU JIEDONG

Assignees

  • 山西德睿和建筑工程有限公司

Dates

Publication Date
20260508
Application Date
20250604

Claims (7)

  1. 1. The road and bridge noise reduction frame comprises a noise reduction frame (1), a support base (2) and a limiting structure (3) and is characterized in that the lower end of a first baffle plate (101) in the noise reduction frame (1) is connected with a first support plate (201) in the support base (2) through bolts, a first slot (204) is hollowed out in the first support plate (201), and a second support plate (301) in the limiting structure (3) is movably connected in the first slot (204).
  2. 2. A noise reduction frame for roads and bridges according to claim 1, wherein the inner side of a first baffle plate (101) in the noise reduction frame (1) is connected with a sound insulation plate (102) by rivets, and the other side of the sound insulation plate (102) is connected with a second baffle plate (103) by rivets.
  3. 3. A noise reduction frame for roads and bridges according to claim 2, wherein the first baffle plate (101) is connected with the sound insulation plate (102) and the second baffle plate (103) through bolts, and the lower end of the support rod (104) is connected with the first support plate (201) through bolts.
  4. 4. The road and bridge noise reduction frame according to claim 1, wherein a sliding block (202) is welded on one side of a first supporting plate (201) in the supporting base (2), one side of the first supporting plate (201) is hollowed out to form a sliding groove (203), the inside of the first supporting plate (201) is hollowed out to form a first slot (204), and the upper end and the lower end of the first slot (204) are hollowed out to form a jack (205).
  5. 5. The noise reduction frame for roads and bridges according to claim 4, wherein the first rivet (206) is inserted and connected into the insertion hole (205), the lower end of the first supporting plate (201) is welded with the first connecting plate (207), and the lower end of the first connecting plate (207) is welded with the bottom backing plate (208).
  6. 6. The road and bridge noise reduction frame according to claim 1, wherein the second supporting plate (301) in the limiting structure (3) is hollowed into a second slot (302), and a second connecting plate (303) is welded on one side of the second supporting plate (301).
  7. 7. The noise reduction frame for roads and bridges according to claim 6, wherein the second connecting plate (303) is hollowed into a third slot (304), and a second rivet (305) is inserted and connected inside the third slot (304).

Description

Road and bridge noise reduction frame Technical Field The utility model relates to the technical field of road and bridge noise reduction, in particular to a road and bridge noise reduction frame. Background The noise problem of the rail transit bridge structure becomes a problem to be solved urgently, the vibration and noise problem of the steel structure bridge is outstanding, the optimization measure of the concrete beam section has a certain vibration reduction and noise reduction effect, the constraint damping structure can effectively control the vibration and noise of the steel bridge, the rail vibration reduction measure and the bridge vibration reduction measure are common noise reduction methods, and in addition, the sound barrier can also effectively control traffic noise. However, when the existing noise reduction frame for the bridge is used, some rail transit usually has strong wind weather, and the noise reduction frame is relatively thin, so that the noise reduction frame is easy to damage when the noise reduction frame is used. Therefore, in order to solve the above problems, a noise reduction frame for roads and bridges is proposed. Disclosure of utility model The utility model aims to provide a road and bridge noise reduction frame, which aims to solve the problem that some rail transit in the prior art mentioned in the background art usually has a strong wind weather, and the noise reduction frame is thin enough to be easily damaged when in use. The road and bridge noise reduction frame comprises a noise reduction frame, a support base and a limiting structure, wherein the lower end of a first baffle plate in the noise reduction frame is connected with a first support plate in the support base through bolts, a first slot is hollowed out in the first support plate, and a second support plate in the limiting structure is movably connected in the first slot. Preferably, the inner side of the first baffle plate in the noise reduction frame is connected with the sound insulation plate through rivets, and the other side of the sound insulation plate is connected with the second baffle plate through rivets. Preferably, the first baffle plate is connected with the sound insulation plate and the second baffle plate through bolts, and the lower end of the support rod is connected with the first support plate through bolts. Preferably, a sliding block is welded on one side of a first supporting plate in the supporting base, one side of the first supporting plate is hollowed out to form a sliding groove, the inside of the first supporting plate is hollowed out to form a first slot, and the upper end and the lower end of the first slot are hollowed out to form an inserting hole. Preferably, the first rivet is inserted and connected in the jack, the first connecting plate is welded at the lower end of the first supporting plate, and the bottom backing plate is welded at the lower end of the first connecting plate. Preferably, the second slot is hollowed out in the second supporting plate in the limiting structure, and a second connecting plate is welded on one side of the second supporting plate. Preferably, the second connecting plate is internally hollowed into a third slot, and a second rivet is inserted and connected in the third slot. Compared with the prior art, the utility model has the beneficial effects that: 1. According to the utility model, the first baffle, the sound insulation plate, the second baffle, the supporting rods, the supporting base, the first supporting plate, the sliding blocks, the sliding grooves, the first slots, the jacks, the first rivets, the first connecting plates and the bottom backing plates are arranged, the sound insulation plate can be clamped through the first baffle and the second baffle, the outer side of the sound insulation plate can be protected, the first baffle, the sound insulation plate and the second baffle can be supported through the supporting plates, the two sides of the lower ends of the first baffle, the sound insulation plate and the second baffle can be supported through the first supporting plates, the sliding blocks can be movably connected in a sliding out manner, the second supporting plates can be inserted and connected through the first slots, the first rivets can be inserted and connected through the jacks, the first supporting plates can be limited at the upper end of the cement base through the first rivets, the first connecting plates can be assembled in the cement base, and the upper ends of the first connecting plates can be limited through the backing plates. 2. According to the utility model, the second support plate, the second slot, the second connecting plate, the third slot and the second rivet are arranged, the second support plate can be inserted and connected in the first slot, the first rivet can be inserted and connected through the second slot, one side of the cement base can be connected through the second connecting pl