Noise reduction isolation device for construction site

Abstract

The utility model relates to the technical field of construction site construction noise reduction, and discloses a construction site noise reduction isolation device which comprises a first supporting frame, a second supporting frame and a noise reduction plate, two fixing blocks are fixedly connected to one side of the first supporting frame, and a connecting plate is fixedly connected to one side of the second supporting frame; two movable grooves are formed in one side of the connecting plate, connecting blocks are rotatably mounted in the two movable grooves through rotating shafts, one sides of the two connecting blocks are jointly and fixedly connected with a fixing plate, and two fixing grooves in sliding fit with the fixing blocks are formed in one side of the fixing plate; according to the noise reduction device, through mutual cooperation of the fixing rods and the fixing holes, mounting work between the second supporting frame and the adjacent first supporting frame is facilitated for a worker, rotation can be achieved through the connecting blocks and the rotating shafts, so that the angle of the two adjacent noise reduction plates can be adjusted, and the flexibility and practicability of the device in use are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of construction site noise reduction, in particular to a construction site noise reduction isolation device. BACKGROUND

[0002] A large amount of noise is generated in the construction site due to the continuous operation of machines and other reasons, which seriously interferes with the life and work of the surrounding residents, so certain noise reduction measures must be taken to reduce noise in the construction site. At present, the most common construction site noise reduction method on the market mainly adopts a sound barrier system, which is usually composed of a sound insulation board and a supporting structure, aiming to block the noise propagation path through a physical barrier to reduce the noise level. In the process of using the sound insulation board, the length of the sound insulation board is generally adjusted by the workers according to the progress or changes of the construction project, however, when encountering different angle corners, it is not convenient to flexibly adjust the angle formed between the sound insulation boards, which has certain limitations and poor practicability. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the problems in the background art, the present application provides a construction site noise reduction isolation device.

[0004] The construction site noise reduction isolation device provided by the present application adopts the following technical scheme:

[0005] A construction site noise reduction isolation device, comprising a first supporting frame, a second supporting frame and a noise reduction board.

[0006] One side of the first supporting frame is fixedly connected with two fixed blocks.

[0007] One side of the second supporting frame is fixedly connected with a connecting plate, one side of the connecting plate is provided with two movable grooves, two connecting blocks are rotatably installed in the two movable grooves through shafts, one side of the two connecting blocks is fixedly connected with a fixed plate, one side of the fixed plate is provided with two fixed grooves which are in sliding fit with the fixed blocks, the fixed plate is symmetrically provided with an installation groove in the inside, a spring is fixedly connected in the installation groove, one end of the spring is fixedly connected with a connecting ring movably arranged in the installation groove, two fixed rods are slidably installed on the side wall of the fixed plate, one end of the fixed rod penetrates through the installation groove and extends into the fixed groove, the fixed rod is located in the spring and penetrates through the connecting ring, a fixed hole in sliding fit with the fixed rod is formed in the fixed block, and a driving assembly for moving the fixed rod is arranged on the fixed plate.

[0008] The noise reduction board is arranged between the first supporting frame and the second supporting frame, a plurality of sound absorbing holes are formed in one side of the noise reduction board, and a sound absorbing layer is fixedly installed on the other side of the noise reduction board.

[0009] Preferably, the driving assembly comprises a cam and a connecting shaft, one end of the connecting shaft is rotatably connected with the side wall of the fixed plate, and the cam is sleeved on the connecting shaft.

[0010] Preferably, one end of the connecting shaft away from the fixed plate is fixedly connected with a knob.

[0011] Preferably, one end of the fixed rod is embedded with a ball for cooperating with the cam.

[0012] Preferably, both sides of the noise reduction plate are fixedly connected with guide plates, and opposite sides of the first support frame and the second support frame are both provided with guide grooves for slidingly cooperating with the guide plates.

[0013] Preferably, both sides of the guide plate are fixedly connected with limiting plates, and the guide grooves are symmetrically provided with limiting grooves for slidingly cooperating with the limiting plates.

[0014] In summary, the present application has the following beneficial technical effects:

[0015] Compared with the prior art, the present application has the following beneficial technical effects: BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a three-dimensional structure schematic diagram of the embodiment of the application;

[0017] Figure 2 is a structure schematic diagram of the noise reduction plate when moving;

[0018] Figure 3 is a cross-sectional structure schematic diagram of the fixed plate;

[0019] Figure 4 is a structure schematic diagram of the cam when rotating;

[0020] Figure 5 is a structure schematic diagram of the fixed block and the fixed hole.

[0021] BRIEF DESCRIPTION OF DRAWINGS 1. first support frame; 2. second support frame; 3. noise reduction plate; 4. sound-absorbing layer; 5. sound-absorbing hole; 6. connecting plate; 7. fixed plate; 8. fixed groove; 9. cam; 10. fixed rod; 11. connecting block; 12. movable groove; 13. guide plate; 14. limiting plate; 15. guide groove; 16. limiting groove; 17. ball; 18. connecting shaft; 19. connecting ring; 20. spring; 21. knob; 22. fixed block; 23. fixed hole. DETAILED DESCRIPTION

[0022] The application will be further described in detail. Figures 1-5 The application will be further described in detail.

[0023] The embodiment of the application discloses a construction site noise reduction isolation device. Figures 1-5 The construction site noise reduction isolation device comprises a first support frame 1, a second support frame 2 and a noise reduction plate 3, one side of the first support frame 1 is fixedly connected with two fixed blocks 22, one side of the second support frame 2 is fixedly connected with a connecting plate 6, one side of the connecting plate 6 is provided with two movable grooves 12, the two movable grooves 12 are both rotatably connected with connecting blocks 11 through rotating shafts (not shown in the figure), one side of the two connecting blocks 11 is fixedly connected with a fixed plate 7, one side of the fixed plate 7 is provided with two fixed grooves 8 which are in sliding fit with the fixed blocks 22, the fixed plate 7 is symmetrically provided with an installation groove in the inside, the installation groove is fixedly connected with a spring 20 in the inside, one end of the spring 20 is fixedly connected with a connecting ring 19 which is movably arranged in the installation groove, the fixed plate 7 is slidably provided with two fixed rods 10 on the side wall, one end of the fixed rod 10 penetrates through the installation groove and extends into the fixed groove 8, the fixed rod 10 is located in the spring 20 and penetrates through the connecting ring 19, the fixed block 22 is provided with a fixed hole 23 which is in sliding fit with the fixed rod 10;

[0024] The fixed plate 7 is provided with a driving assembly for driving the fixed rod 10 to move, the driving assembly comprises a cam 9 and a connecting shaft 18, one end of the connecting shaft 18 is rotatably connected with the side wall of the fixed plate 7, the cam 9 is sleeved on the connecting shaft 18, one end of the connecting shaft 18 away from the fixed plate 7 is fixedly connected with a knob 21, one end of the fixed rod 10 is embedded with a ball 17 which is used in cooperation with the cam 9;

[0025] The noise reduction plate 3 is arranged between the first support frame 1 and the second support frame 2, one side of the noise reduction plate 3 is provided with a plurality of sound absorption holes 5, the other side of the noise reduction plate 3 is fixedly installed with a sound absorption layer 4, both side edges of the noise reduction plate 3 are fixedly connected with guide plates 13, the opposite sides of the first support frame 1 and the second support frame 2 are both provided with guide grooves 15 which are in sliding fit with the guide plates 13, both side edges of the guide plate 13 are fixedly connected with limiting plates 14, the inside of the guide groove 15 is symmetrically provided with limiting grooves 16 which are in sliding fit with the limiting plates 14.

[0026] The implementation principle of the construction site noise reduction isolation device provided in the embodiment of the application is as follows: in use, the noise reduction plate 3 is inserted into the guide groove 15 on the first support frame 1 and the second support frame 2 from top to bottom through the guide plate 13 thereon, and meanwhile, the limiting plate 14 on the guide plate 13 can also be moved into the limiting groove 16; when it is needed to connect two adjacent noise reduction plates 3, the connecting shaft 18 can be rotated by rotating the knob 21, the cam 9 can be rotated by the connecting shaft 18, the fixed rod 10 can be moved by the cam 9 through the ball 17, so that the two fixed rods 10 are away from each other, and one end of the fixed rod 10 is retracted into the mounting groove, then the adjacent first support frame 1 is inserted into the fixing groove 8 on the fixed plate 7 through the fixing block 22 thereon, after complete insertion, the fixed rod 10 is moved to reset under the elastic force of the spring 20, so that one end of the fixed rod 10 is inserted into the fixing hole 23, the installation work is completed, and rotation can be realized through the connecting block 11 and the rotating shaft, so as to adjust the angle of the two adjacent noise reduction plates 3; through the noise reduction plate 3, the sound absorbing hole 5 and the sound absorbing layer 4, multiple noise reduction and isolation effects can be realized; in this process, the installation work between the second support frame 2 and the adjacent first support frame 1 is facilitated by the cooperation between the fixed rod 10 and the fixing hole 23, and rotation can be realized through the connecting block 11 and the rotating shaft, so as to adjust the angle of the two adjacent noise reduction plates 3, and the flexibility and practicability of the device in use are improved.

[0027] Finally, it should be pointed out that: first, in the description of the application, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0028] Secondly: the utility model discloses the embodiment of the drawings only relates to the structure involved in the embodiment of the present disclosure, and other structures can refer to the usual design, and under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0029] Finally: the above only for the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

[0030] The above are the preferred embodiments of the application, and are not used to limit the protection scope of the application, so: any equivalent change made according to the structure, shape and principle of the application should be covered in the protection scope of the application.

Claims

1. A construction site noise reduction isolation device, characterized by: The utility model relates to a sound reduction device, including first support frame (1), second support frame (2) and noise reduction board (3). The first support frame (1) is fixedly connected with two fixed blocks (22) on one side. The second support frame (2) is fixedly connected with a connecting plate (6) on one side, two movable grooves (12) are formed in the connecting plate (6), two connecting blocks (11) are rotatably installed in the movable grooves (12) through pivots, a fixed plate (7) is fixedly connected to the connecting blocks (11) on one side, two fixed grooves (8) are formed in the fixed plate (7) and are in sliding connection with the fixed blocks (22), an installation groove is formed in the fixed plate (7) and is symmetrically arranged, a spring (20) is fixedly connected in the installation groove, a connecting ring (19) is movably arranged in the installation groove and is fixedly connected to one end of the spring (20), two fixed rods (10) are slidably arranged on the sidewall of the fixed plate (7), one end of the fixed rods (10) penetrates the installation groove and extends into the fixed grooves (8), the fixed rods (10) are arranged in the spring (20) and are sleeved on the connecting ring (19), a fixed hole (23) is formed in the fixed block (22) and is in sliding connection with the fixed rod (10), and a driving assembly is arranged on the fixed plate (7) and is used to move the fixed rod (10). The noise reduction board (3) is arranged between the first support frame (1) and the second support frame (2), a plurality of sound absorption holes (5) are formed in one side of the noise reduction board (3), and a sound absorption layer (4) is fixedly arranged on the other side of the noise reduction board (3).

2. A construction site noise reduction isolation device according to claim 1, wherein: The driving assembly comprises a cam (9) and a connecting shaft (18), one end of the connecting shaft (18) is rotatably connected to the sidewall of the fixed plate (7), and the cam (9) is sleeved on the connecting shaft (18).

3. A ground noise reduction isolation device according to claim 2, wherein: One end of the connecting shaft (18) is fixedly connected with a knob (21) away from the fixed plate (7).

4. A ground noise reduction isolation device according to claim 2, wherein: A spherical ball (17) is arranged in one end of the fixed rod (10) and is used in cooperation with the cam (9).

5. A construction site noise reduction isolation device according to claim 1, wherein: Guide plates (13) are fixedly arranged on both sides of the noise reduction board (3), guide grooves (15) are formed in the first support frame (1) and the second support frame (2) and are in sliding connection with the guide plates (13).

6. A ground noise reduction isolation device according to claim 5, wherein: Limiting plates (14) are fixedly arranged on both sides of the guide plates (13), and limiting grooves (16) are formed in the guide grooves (15) and are in sliding connection with the limiting plates (14).

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