Road and bridge noise reduction device for municipal bridge engineering

Abstract

The utility model relates to the technical field of bridge engineering, in particular to a road and bridge sound reduction device for municipal bridge engineering, which comprises two upright posts and a maintenance device, a plurality of sound insulation plates are arranged between the two upright posts, and the maintenance device is arranged on the surfaces of the upright posts. The maintenance device comprises four iron blocks fixed to the surface of the sound insulation plate, the two sides of the stand column body are fixedly connected with fixing plates respectively, the iron blocks are connected with the inner walls of the fixing plates in an inserted mode, a sliding groove is formed in the inner wall of the stand column body, the inner wall of the sliding groove is connected with two clamping blocks in a sliding mode, and the clamping blocks are connected with the fixing plates in a penetrating mode. According to the sound reduction device, the damaged sound insulation board can be rapidly and independently replaced, the whole sound reduction device or a large number of adjacent sound insulation boards do not need to be dismantled, the maintenance time and the labor cost are greatly saved, the damaged sound insulation board is directly operated, and the maintenance efficiency and the overall usability are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge engineering technical field especially relates to a road bridge for municipal bridge engineering sound reduction device. BACKGROUND

[0002] Municipal bridge engineering is an important part of city infrastructure construction, which covers a series of complex and key links from planning and design to construction and post-maintenance management, and the road bridge sound reduction device is a key facility for reducing traffic noise and improving the quality of surrounding sound environment in modern traffic engineering.

[0003] Prior art such as the utility model with publication number CN218842863U discloses a road bridge sound reduction device for road bridge engineering, which comprises a base, a fixed frame is fixedly installed on the upper end of the base, an empty slot is formed in the fixed frame, a fixing device is arranged in the empty slot, the fixing device comprises a fixing rod, an extension spring and a fixing ring, the fixing rod penetrates through the fixed frame and is in sliding connection with the fixed frame, the fixing rod is inserted into the fixing hole, the extension spring is sleeved on the outer wall of the fixing rod, and the fixing ring is fixedly installed on the outer wall of the fixing rod, the road bridge sound reduction device for road bridge engineering can fix the sound insulation board in the fixed frame, improve the stability of the sound insulation board installation, and facilitate the disassembly of the sound insulation board in the fixed frame through the limiting device arranged on the fixing device, simple operation, and the problem that the sound reduction device is fixedly installed and inconvenient to replace the sound insulation board is solved.

[0004] In daily work, it is found that the above-mentioned road bridge sound reduction device needs to be constructed by stacking multiple sound insulation boards and inserting them into the fixed frame when splicing, but when one of the sound insulation boards needs to be replaced due to damage or other reasons, it is difficult for maintenance personnel to quickly and accurately remove the sound insulation board to be replaced because the sound insulation boards are stacked and closely inserted in the fixed frame, and the operation process is often extremely tedious, and the target sound insulation board can be accessed only after the upper sound insulation boards are sequentially disassembled or moved, resulting in the problem of inconvenient overall maintenance and replacement. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the inconvenient maintenance and replacement problem in the prior art and provides a road bridge sound reduction device for municipal bridge engineering.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a road bridge noise reduction device for municipal bridge engineering, comprising two columns and a maintenance device. The number of columns is two, and multiple sound-insulating plates are disposed between the two columns. The maintenance device is disposed on the surface of the columns and includes four iron blocks fixed to the surface of the sound-insulating plates. Fixing plates are fixedly connected to both sides of the columns, and the iron blocks are inserted into the inner walls of the fixing plates. A sliding groove is formed on the inner wall of the column, and two... Each block has a locking mechanism that is connected to a fixing plate and inserted into the inner wall of an iron block. An operating hole is provided on the surface of the column, communicating with the inner wall of a sliding groove. A control component is provided between the inner wall of the sliding groove and the two locking blocks. An auxiliary component is provided on the surface of the sound insulation panel. With these components, when a damaged sound insulation panel needs to be replaced, the locking mechanism is used to move the locking blocks, releasing them from the iron block on the surface of the sound insulation panel. The sound insulation panel to be replaced can then be pulled out using the auxiliary component, improving overall usability.

[0007] Preferably, a magnetic strip is fixedly connected to one side surface of the fixing plate. The magnetic strip is magnetically connected to the iron block. Through the above-mentioned components, when the sound insulation plate inserts the iron block into the inner wall of the fixing plate, the iron block can be attracted to the magnetic strip, thereby achieving initial positioning of the sound insulation plate and the iron block.

[0008] Preferably, the auxiliary component includes four hollow seats fixed to the surface of the sound insulation panel. Each of the four hollow seats has a handle rotatably connected to its inner wall. With the above component, when it is necessary to remove the sound insulation panel, the sound insulation panel can be quickly removed by simply using the handle on the sound insulation panel.

[0009] Preferably, a spring is fitted on the surface of the handle, and the two ends of the spring are fixedly connected to the surfaces of the handle and the hollow base, respectively. Through the above components, the spring can control the handle to return to its original position during use, so that the handle is always in contact with the sound insulation plate.

[0010] Preferably, the card block is composed of a sliding plate that is slidably connected to the inner wall of the slide groove and a plurality of protrusions fixed to the surface of the sliding plate and inserted into the inner wall of the iron block.

[0011] Preferably, the control component includes a transmission screw that is rotatably connected to the inner wall of the slide groove on the surface of the column. The transmission screw is threadedly connected to the inner wall of the two locking blocks. A knob is fixedly connected to the surface of the transmission screw. Through the above components, the transmission screw can be rotated by the knob during use, and the transmission screw controls the movement of the two locking blocks in the slide groove.

[0012] Preferably, the inner wall of the column body is slidably connected with a cover plate, the inner wall of the cover plate is threadedly connected with a positioning screw rod, and the positioning screw rod is threadedly connected with the inner wall of the column body, through the above components, the cover plate can be slid, the operation hole can be shielded by the cover plate, and then the cover plate is positioned through the positioning screw rod.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] 1、 the utility model discloses a maintenance device can be set up, can individually replace the damaged sound insulation board fast, need not remove entire sound reduction device or a large number of adjacent sound insulation board, greatly save maintenance time and manpower cost, directly to the damaged sound insulation board operation, improve the maintenance efficiency and overall ease of use.

[0015] 2、 the utility model discloses a magnetic stripe is set up, when the sound insulation board inserts the iron block in the inner wall of fixed plate, the iron block can be attracted to the magnetic stripe, thereby realizing the preliminary location of sound insulation board and iron block.

[0016] 3、 the utility model discloses an auxiliary assembly is set up, and through the mutual cooperation between handle, hollow seat and spring, the sound insulation board can be taken out fast and conveniently, need not help tool operation. DRAWINGS

[0017] Figure 1 A three-dimensional structure schematic diagram of a road bridge sound reduction device for municipal bridge engineering is provided for the utility model;

[0018] Figure 2 A three-dimensional structure schematic diagram of a road bridge sound reduction device for municipal bridge engineering is provided for the utility model; Figure 1 A structure schematic diagram of place A in the three-dimensional structure is provided for the utility model;

[0019] Figure 3 A side view structure schematic diagram of a road bridge sound reduction device for municipal bridge engineering is provided for the utility model;

[0020] Figure 4 A structure schematic diagram of place B in the three-dimensional structure is provided for the utility model; Figure 3

[0021] Figure 5 A partial cross-sectional structure schematic diagram of a road bridge sound reduction device for municipal bridge engineering is provided for the utility model;

[0022] Figure 6 A structure schematic diagram of place C in the three-dimensional structure is provided for the utility model. Figure 5

[0023] Legend:​​

[0024] 1, the column body; 2, sound insulation board; 3, maintenance device; 31, fixed plate; 32, auxiliary assembly; 321, handle; 322, hollow seat; 323, spring; 33, operation hole; 34, cover plate; 35, positioning screw; 36, clamping block; 37, iron block; 38, magnetic stripe; 39, control assembly; 391, knob; 392, transmission screw; 310, sliding groove. DETAILED DESCRIPTION

[0025] Please refer to Figures 1-6 The utility model provides a technical scheme: a road bridge sound reduction device for municipal bridge engineering, including column body 1 and maintenance device 3, the number of column body 1 has two, be provided with a plurality of sound insulation board 2 between two column body 1, and maintenance device 3 is set up on the surface of column body 1.

[0026] Specifically, maintenance device 3 includes four iron blocks 37 fixed on the surface of sound insulation board 2, both sides of column body 1 are fixedly connected with fixed plate 31, iron block 37 is inserted with the inner wall of fixed plate 31, the inner wall of sliding groove 310 is set in column body 1, two clamping blocks 36 are slidably connected with the inner wall of sliding groove 310, clamping block 36 is connected with fixed plate 31, and the inner wall of iron block 37 is inserted, the surface of column body 1 is provided with operation hole 33, and operation hole 33 is communicated with the inner wall of sliding groove 310, and control assembly 39 is arranged between the inner wall of sliding groove 310 and two clamping blocks 36, and the surface of sound insulation board 2 is provided with auxiliary assembly 32.

[0027] In the embodiment: when the sound insulation board 2 that needs to be replaced is damaged alone, only need to drive clamping block 36 to move through control assembly 39, make clamping block 36 lose the restraint of the surface iron block 37 of sound insulation board 2, then can extract the sound insulation board 2 that needs to be replaced through auxiliary assembly 32, improve the overall ease of use.

[0028] Specifically, one side surface of fixed plate 31 is fixedly connected with magnetic stripe 38, and magnetic stripe 38 is magnetically connected with iron block 37.

[0029] In the embodiment: when the sound insulation board 2 is inserted in the inner wall of fixed plate 31 with iron block 37, iron block 37 can be attracted with magnetic stripe 38, so as to realize the preliminary location of sound insulation board 2 and iron block 37.

[0030] Specifically, auxiliary assembly 32 includes four hollow seats 322 fixed on the surface of sound insulation board 2, and four hollow seats 322 are rotatably connected with handle 321 in two inner walls respectively, when the sound insulation board 2 needs to be removed, only need to quickly remove the sound insulation board 2 through the handle 321 on the sound insulation board 2.

[0031] Specifically, the surface of the handle 321 is sleeved with a spring 323, and the two ends of the spring 323 are fixedly connected with the handle 321 and the surface of the hollow seat 322 respectively.

[0032] In this embodiment: in use, the spring 323 can control the handle 321 to reset, so that the handle 321 is always in a state of being attached to the sound insulation board 2.

[0033] Specifically, the clamping block 36 is composed of a sliding plate slidably connected with the inner wall of the sliding groove 310 and a plurality of protrusions fixed on the surface of the sliding plate and inserted into the inner wall of the iron block 37.

[0034] Specifically, the control assembly 39 includes a transmission screw 392 rotatably connected with the inner wall of the sliding groove 310 on the surface of the column body 1, the transmission screw 392 is threadedly connected with the inner wall of the two clamping blocks 36, and the surface of the transmission screw 392 is fixedly connected with a knob 391. In use, the transmission screw 392 can be rotated by the knob 391, and the transmission screw 392 controls the movement of the two clamping blocks 36 in the sliding groove 310.

[0035] Specifically, the inner wall of the column body 1 is slidably connected with a cover plate 34, and the inner wall of the cover plate 34 is threadedly connected with a positioning screw 35, and the positioning screw 35 is threadedly connected with the inner wall of the column body 1.

[0036] In this embodiment: the cover plate 34 can be slid, the cover plate 34 can shield the operation hole 33, and then the cover plate 34 is positioned by the positioning screw 35.

[0037] Working principle: in use, when the damaged sound insulation board 2 needs to be replaced, first rotate the positioning screw 35 to release the column body 1, slide the cover plate 34 to release the cover plate 34 from the operation hole 33, then control the rotation of the knob 391 and the transmission screw 392 through the operation hole 33, the transmission screw 392 drives the two clamping blocks 36 to move in the inner wall of the sliding groove 310 on the surface of the column body 1, and then the clamping blocks 36 are pulled out from the inner wall of the iron block 37, the handle 321 is rotated on the surface of the hollow seat 322 of the sound insulation board 2, the spring 323 is stressed, and then the sound insulation board 2 is directly moved by the handle 321, the iron block 37 is pulled out from the fixed plate 31, the new sound insulation board 2 is placed in the original position, the iron block 37 is inserted into the inner wall of the fixed plate 31, the magnetic stripe 38 is attracted to the iron block 37, the knob 391 and the transmission screw 392 are rotated to reset the clamping blocks 36, the clamping blocks 36 are reinserted into the inner wall of the iron block 37, then the cover plate 34 is slid to shield the operation hole 33, and then the cover plate 34 is positioned by the positioning screw 35, so that the sound insulation board 2 can be quickly replaced and used.

Claims

1. A road bridge sound reducing device for municipal bridge works, comprising a column body (1) and a maintenance device (3), characterized in that: The number of the column body (1) is two, a plurality of soundproof plates (2) are arranged between the two column bodies (1), the maintenance device (3) is arranged on the surface of the column body (1), the maintenance device (3) comprises four iron blocks (37) fixed on the surface of the soundproof plate (2), the column body (1) is fixedly connected with the fixed plate (31) on both sides, the iron block (37) is inserted with the inner wall of the fixed plate (31), the inner wall of the column body (1) is provided with a sliding groove (310), the sliding groove (310) is slidably connected with two clamping blocks (36), the clamping block (36) is connected with the fixed plate (31) in penetration, the clamping block (36) is inserted with the inner wall of the iron block (37), the surface of the column body (1) is provided with an operation hole (33), the operation hole (33) is communicated with the inner wall of the sliding groove (310), the control assembly (39) is arranged between the inner wall of the sliding groove (310) and the two clamping blocks (36), and the surface of the soundproof plate (2) is provided with an auxiliary assembly (32).

2. A road bridge sound attenuating device for municipal bridge works according to claim 1 characterised in that: The fixed plate (31) is fixedly connected with a magnetic stripe (38) on one side surface, and the magnetic stripe (38) is magnetically connected with the iron block (37).

3. A road bridge sound attenuating device for municipal bridge works according to claim 1, characterized in that: The auxiliary assembly (32) comprises four hollow seats (322) fixed on the surface of the soundproof plate (2), and four hollow seats (322) are rotatably connected with handles (321) on the inner walls of two-by-two.

4. A road bridge sound attenuating device for municipal bridge works according to claim 3, characterised in that: The surface of the handle (321) is provided with a spring (323), and the both ends of the spring (323) are fixedly connected with the surfaces of the handle (321) and the hollow seat (322).

5. A road bridge sound attenuating device for municipal bridge works according to claim 1, characterized in that: The clamping block (36) is composed of a sliding plate slidably connected with the inner wall of the sliding groove (310) and a plurality of protrusions fixed on the surface of the sliding plate and inserted into the inner wall of the iron block (37).

6. A road bridge sound attenuating device for municipal bridge works according to claim 5 wherein: The control assembly (39) comprises a transmission screw (392) rotatably connected with the inner wall of the sliding groove (310) on the surface of the column body (1), the transmission screw (392) is threadedly connected with the inner walls of the two clamping blocks (36), and the surface of the transmission screw (392) is fixedly connected with a knob (391).

7. A road bridge sound attenuating device for municipal bridge works according to claim 5, characterised in that: The inner wall of the column body (1) is slidably connected with a cover plate (34), the inner wall of the cover plate (34) is threadedly connected with a positioning screw (35), and the inner wall of the column body (1) is threadedly connected with the positioning screw (35).

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