Noise reduction protection isolation screen for roads and bridges

Abstract

The utility model relates to the technical field of noise reduction, and discloses a noise reduction protective isolation screen for roads and bridges, which comprises a fixed frame, a telescopic rod is rotatably connected in one side of the fixed frame, a support rod is slidably connected to the periphery of the telescopic rod, a moving shaft is slidably connected in one side of the support rod, a spring II is sleeved on the periphery of the moving shaft, and a spring II is sleeved on the spring II. One end of the second spring is fixedly connected to the interior of the supporting rod, the other end of the second spring is fixedly connected with a push plate, the push plate is fixedly connected to the periphery of one end of the moving shaft, a plurality of evenly-distributed penetrating holes are formed in one side of the telescopic rod, and one end of the moving shaft is slidably connected to the interior of one penetrating hole. According to the utility model, the lengths of the telescopic rods and the supporting rods can be adjusted according to actual conditions so as to support the fixing frames, and the connecting shafts are inserted into the connecting plates and the mounting grooves so as to fix the two fixing frames, so that a plurality of fixing frames can be quickly assembled.

Description

Technical Field

[0001] The utility model relates to the technical field of noise reduction, in particular to a noise reduction protection isolation screen for roads and bridges. Background Art

[0002] With the development of social economy, the investment in transportation infrastructure construction is increasing. In order to better protect the environment and reduce the impact on the lives of residents near the road, isolation screens are usually installed on the side of roads or bridges.

[0003] After searching, Chinese patent announcement number: CN212612071U discloses a noise isolation barrier for elevated buildings, including a frame plate, a sound insulation board and a noise reduction component, wherein a plurality of vertical rods are vertically arranged in the middle of the frame plate, the sound insulation board is installed inside the frame plate and the sound insulation board, the noise reduction component is installed on the upper surface of the frame plate, the noise reduction component includes a motor, a rotating sound absorbing board, a sound absorbing layer and a connecting shaft, two motors are relatively fixed on the upper surface of the frame plate, the rotating sound absorbing board is located between the two motors, and one end of the connecting shaft is connected to the motor, and the other end is fixed to the fixing plate, and the fixing plate is fixed by screws. Fixed on the side of the end of the rotating sound-absorbing board, the noise reduction component can rotate up and down with the fixed plate; the utility model can increase the thickness of the original sound insulation board by providing the noise reduction component, and the rotating sound-absorbing board combined with the sound-absorbing layer relatively increases the noise reduction effect, thereby reducing the noise pollution to the residential area next to the elevated road, and the rotating sound-absorbing board can rotate up and down without affecting the view outward through the sound insulation board, but the isolation barrier lacks a supporting structure for the frame plate. If it is hit or encounters bad weather, it may cause the isolation barrier to tilt and collapse. Therefore, a noise reduction protective isolation screen for roads and bridges is proposed to solve the above problems. Utility Model Content

[0004] In order to make up for the above deficiencies, the utility model provides a noise reduction and protective isolation screen for roads and bridges, aiming to improve the problems of low connection efficiency and lack of support in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a noise reduction and protection isolation screen for roads and bridges, comprising a fixed frame, a telescopic rod is rotatably connected to one side of the fixed frame, a support rod is slidably connected to the outer periphery of the telescopic rod, a movable shaft is slidably connected to the inner periphery of one side of the support rod, a spring is sleeved on the outer periphery of the movable shaft, one end of the spring is fixedly connected to the inside of the support rod, and the other end of the spring is fixedly connected to a push plate, the push plate is fixedly connected to the outer periphery of one end of the movable shaft, a plurality of evenly distributed through holes are opened on one side of the telescopic rod, one end of the movable shaft is slidably connected to the inside of one of the through holes, and connecting components are arranged on both the left and right sides of the fixed frame.

[0006] Furthermore, the connecting component includes a connecting plate, which is fixedly connected to one side of the fixed frame, and an installation groove is opened inside the other side of the fixed frame. Two connecting shafts are slidably connected to the middle of the connecting plate, and blocks are slidably connected to the left and right sides of the two connecting shafts. Two springs are fixedly connected to one side of the multiple blocks, and one end of the multiple springs is respectively fixedly connected to the inside of the two connecting shafts.

[0007] Furthermore, one end of the telescopic rod is fixedly connected to a limit plate, and the limit plate is slidably connected to the inside of the support rod.

[0008] Furthermore, a sound absorbing panel is arranged on the top side of the fixing frame, and three evenly distributed fixing blocks are fixedly connected to the bottom of the sound absorbing panel, and the three fixing blocks are all slidably connected to the inside of the top side of the fixing frame.

[0009] Furthermore, a bottom plate is fixedly connected to the bottom of the fixing frame.

[0010] Furthermore, two protective glasses are fixedly connected to the middle of the fixed frame, and a sound absorbing layer is fixedly connected to the opposite sides of the two protective glasses.

[0011] Furthermore, two fixing holes are provided in the middle of one side of the fixing frame.

[0012] Furthermore, the bottom of the support rod is rotatably connected to a base.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, the telescopic rod can move inside the support rod to adjust the length, so that the telescopic rod and the support rod can adjust the length according to actual conditions to support the fixed frame, and the spring 2 and the push plate push the movable shaft into the through hole to fix the length of the telescopic rod.

[0015] In the utility model, a connecting plate on one side of a fixing frame is inserted into a mounting groove on one side of another fixing frame to connect the two fixing frames to each other, and then a connecting shaft is inserted into the connecting plate and the mounting groove to fix the two fixing frames, so that multiple fixing frames can be quickly assembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional schematic diagram of a noise reduction and protection isolation screen for roads and bridges proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of a moving axis of a noise reduction and protection isolation screen for roads and bridges proposed by the utility model;

[0018] Figure 3This is a structural schematic diagram of a fixing frame of a noise reduction and protection isolation screen for roads and bridges proposed by the utility model;

[0019] Figure 4 This is a schematic structural diagram of a connecting shaft of a noise reduction and protection isolation screen for a road bridge proposed by the utility model;

[0020] Figure 5 The utility model provides a structural schematic diagram of the protective glass of a noise reduction protective isolation screen for roads and bridges.

[0021] Legend:

[0022] 1. Sound-absorbing board; 2. Connecting plate; 3. Connecting shaft; 4. Bottom plate; 5. Protective glass; 6. Mounting slot; 7. Fixed frame; 8. Telescopic rod; 9. Base; 10. Support rod; 11. Spring 1; 12. Block; 13. Push plate; 14. Spring 2; 15. Moving shaft; 16. Limiting plate; 17. Sound-absorbing layer; 18. Fixed block; 19. Fixed hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Reference Figure 1-3 The utility model provides an embodiment: a noise reduction protection isolation screen for roads and bridges, including a fixed frame 7, a telescopic rod 8 is rotatably connected to one side of the fixed frame 7, a support rod 10 is slidably connected to the outer periphery of the telescopic rod 8, a moving shaft 15 is slidably connected to the inner side of one side of the support rod 10, a spring 2 14 is sleeved on the outer periphery of the moving shaft 15, one end of the spring 2 14 is fixedly connected to the inside of the support rod 10, and the other end of the spring 2 14 is fixedly connected to a push plate 13, and the push plate 13 is fixedly connected to the outer periphery of one end of the moving shaft 15, a plurality of evenly distributed through holes are provided on one side of the telescopic rod 8, one end of the moving shaft 15 is slidably connected to the inside of one of the through holes, one end of the telescopic rod 8 is fixedly connected to a limiting plate 16, the limiting plate 16 is slidably connected to the inside of the support rod 10, and a base 9 is rotatably connected to the bottom of the support rod 10.

[0025] Specifically, the fixed frame 7 is the frame of the isolation screen, which is used to fix other structures and provide overall stability. The telescopic rod 8 has a telescopic feature, which helps to adapt to different installation terrains. The support rod 10 is used to provide structural support and stability. The movable shaft 15 can be inserted into the through hole opened on one side of the telescopic rod 8 to fix the telescopic rod 8 inside the support rod 10. The spring 14 and the push plate 13 are used to drive the movable shaft 15 to move. In addition to driving the movable shaft 15 to move, the push plate 13 can also prevent the movable shaft 15 from falling off from the inside of the support rod 10. The limit plate 16 is used to limit the moving range of the telescopic rod 8 to prevent the telescopic rod 8 from moving out of the support rod 10. The base 9 serves to increase the friction between the support rod 10 and the ground.

[0026] Reference Figure 3-4 , connecting components are provided on both sides of the fixed frame 7, and the connecting components include a connecting plate 2, the connecting plate 2 is fixedly connected to one side of the fixed frame 7, and a mounting groove 6 is opened inside the other side of the fixed frame 7, and two connecting shafts 3 are slidably connected to the middle of the connecting plate 2, and blocks 12 are slidably connected to the left and right sides of the two connecting shafts 3, and one side of the multiple blocks 12 is fixedly connected to two springs 11, and one end of the multiple springs 11 is respectively fixedly connected to the inside of the two connecting shafts 3, and two fixing holes 19 are opened in the middle of one side of the fixed frame 7.

[0027] Specifically, the connecting plate 2 can be inserted into the installation groove 6 to connect the two fixed frames 7 to each other. The connecting shaft 3 serves to fix the connecting plate 2 inside the installation groove 6. The block 12 is used to limit the movement of the connecting shaft 3. The spring 11 can move the block 12.

[0028] Reference Figure 3 and Figure 5 A sound absorbing panel 1 is arranged on the top side of the fixed frame 7, and three evenly distributed fixed blocks 18 are fixedly connected to the bottom of the sound absorbing panel 1. The three fixed blocks 18 are all slidably connected to the inside of the top side of the fixed frame 7. A bottom plate 4 is fixedly connected to the bottom of the fixed frame 7. Two protective glasses 5 are fixedly connected to the middle of the fixed frame 7, and a sound absorbing layer 17 is fixedly connected to the opposite side of the two protective glasses 5.

[0029] Specifically, the sound absorbing panel 1 is used to absorb noise, the fixing block 18 is used to connect the sound absorbing panel 1 and the fixing frame 7 to each other, the bottom plate 4 can increase the contact area between the fixing frame 7 and the ground, and improve the stability of the fixing frame 7, and the protective glass 5 is used to protect the sound absorbing layer 17, and the sound absorbing layer 17 is used to further absorb noise.

[0030] Working principle: transport multiple fixed frames 7 to the location where they need to be installed, then install the sound-absorbing panel 1 on the top of each fixed frame 7, then insert the connecting plate 2 on one side of one of the fixed frames 7 into the other fixed frame 7 to make the two fixed frames 7 initially connected, then install the connecting shaft 3 in the middle of the connecting plate 2, and the block 12 inside the connecting shaft 3 will be pushed by the spring 11, so as to fix the connecting shaft 3 in the connecting plate 2 and the installation groove 6, and the remaining fixed frames 7 are installed according to the same steps. If the fixed frame 7 needs support, the telescopic rod 8 and the support rod 10 can be taken out from the fixed frame 7, and the length of the telescopic rod 8 can be adjusted by pulling the movable shaft 15. After adjusting the telescopic rod 8 to a suitable length, release the movable shaft 15, and the movable shaft 15 will be pushed into the perforation opened on one side of the telescopic rod 8 by the spring 2 14 and the push plate 13 to fix the telescopic rod 8. The sound-absorbing panel 1 on the top of the fixed frame 7 and the sound-absorbing layer 17 in the middle of the fixed frame 7 will absorb the noise.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A noise reduction and protection isolation screen for roads and bridges, comprising a fixing frame (7), characterized in that: A telescopic rod (8) is rotatably connected to one side of the fixed frame (7), and a support rod (10) is slidably connected to the outer periphery of the telescopic rod (8). A movable shaft (15) is slidably connected to the inner periphery of the support rod (10). A second spring (14) is sleeved on the outer periphery of the movable shaft (15). One end of the second spring (14) is fixedly connected to the inside of the support rod (10), and the other end of the second spring (14) is fixedly connected to a push plate (13). The push plate (13) is fixedly connected to the outer periphery of one end of the movable shaft (15). A plurality of evenly distributed through holes are provided on one side of the telescopic rod (8), and one end of the movable shaft (15) is slidably connected to the inside of one of the through holes. Connecting components are provided on both left and right sides of the fixed frame (7).

2. A noise reduction protection isolation screen for roads and bridges according to claim 1, characterized in that: The connection assembly comprises a connection plate (2), the connection plate (2) being fixedly connected to one side of the fixed frame (7), a mounting groove (6) being provided inside the other side of the fixed frame (7), two connection shafts (3) being slidably connected to the middle of the connection plate (2), a clamping block (12) being slidably connected to the left and right sides of the two connection shafts (3), two springs (11) being fixedly connected to one side of the plurality of clamping blocks (12), and one end of the plurality of springs (11) being fixedly connected to the inside of the two connection shafts (3) respectively.

3. The noise reduction protection isolation screen for roads and bridges according to claim 1 is characterized by: One end of the telescopic rod (8) is fixedly connected to a limit plate (16), and the limit plate (16) is slidably connected inside the support rod (10).

4. The noise reduction protection isolation screen for roads and bridges according to claim 1 is characterized by: A sound absorbing panel (1) is arranged on the top side of the fixed frame (7), and three evenly distributed fixing blocks (18) are fixedly connected to the bottom of the sound absorbing panel (1), and the three fixing blocks (18) are all slidably connected to the inside of the top side of the fixed frame (7).

5. The noise reduction protection isolation screen for roads and bridges according to claim 1 is characterized by: The bottom of the fixing frame (7) is fixedly connected to a bottom plate (4).

6. The noise reduction protection isolation screen for roads and bridges according to claim 1 is characterized by: Two protective glasses (5) are fixedly connected to the middle of the fixed frame (7), and a sound absorbing layer (17) is fixedly connected to the opposite sides of the two protective glasses (5).

7. The noise reduction and protection isolation screen for roads and bridges according to claim 1 is characterized by: Two fixing holes (19) are provided in the middle of one side of the fixing frame (7).

8. The noise reduction protection isolation screen for roads and bridges according to claim 1 is characterized by: The bottom of the support rod (10) is rotatably connected to a base (9).

Images