A subway decoration construction noise isolation device
By designing a movable component driven by pulleys and gears, and a retractable sound insulation panel structure, the problems of inconvenient disassembly and assembly and large space occupation of noise isolation devices are solved, achieving the effects of convenient movement and space saving.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- ELECTRICAL ENG CO LTD OF CHINA RAILWAY12TH BUREAU GRP
- Filing Date
- 2023-11-06
- Publication Date
- 2026-05-01
AI Technical Summary
Existing noise isolation devices are inconvenient to install, remove, and move, and take up a lot of space when not in use, making them difficult to store.
A noise isolation device comprising a moving component and an isolation component is designed. The moving component enables the device to move and be fixed by a motor-driven pulley and gear system, while the isolation component reduces space occupation through a retractable sound insulation panel structure.
It enables convenient disassembly, assembly, and relocation of the noise isolation device, reducing the space occupied when not in use and adapting to changes in construction location requirements.
Smart Images

Figure CN117328740B_ABST
Abstract
Description
A noise isolation device for subway renovation and construction Technical Field
[0001] This invention belongs to the field of noise isolation technology, specifically relating to a noise isolation device for subway decoration and construction. Background Technology
[0002] In recent years, many cities have been vigorously developing underground transportation, namely subways. As part of urban transportation, subways have advantages such as saving land, saving energy, and reducing pollution. However, the construction and subsequent decoration of subways require a lot of time, and the noise generated during this process can easily have an adverse impact on the surrounding environment. Therefore, noise isolation devices are needed for sound insulation. Existing noise isolation mainly relies on sound insulation panels and other facilities. During construction, the sound insulation devices need to be moved frequently due to the need to change their location. However, these facilities require a lot of time to disassemble and assemble, which is very inconvenient in practice. Existing noise isolation devices are not easy to store and still occupy a lot of space when not in use, making them difficult to place. Summary of the Invention
[0003] To address the problems of inconvenience in disassembling, assembling, and moving existing noise isolation devices, a noise isolation device for subway decoration and construction is provided.
[0004] The present invention adopts the following technical solution:
[0005] A noise isolation device for subway renovation construction. It includes a base, inside which a movable component is installed. The movable component includes a motor, with a first rotating shaft mounted at the motor's output end. A first pulley is fixedly connected to the first rotating shaft. Second pulleys are symmetrically arranged at both ends of the first pulleys. A second rotating shaft is installed inside each of the second pulleys. Gears are symmetrically mounted at both ends of the second rotating shaft. A first rack is meshed with one side of each gear, and a roller is provided at the bottom end of the first rack. A second rack is meshed with the other side of each gear, and a fixed foot is installed at the bottom end of the second rack.
[0006] Furthermore, a timing belt is installed on the first pulley and the second pulley, and a pressure bar is provided on the timing belt, which is fixedly connected to the inside of the base.
[0007] Furthermore, a first bushing is fixed to the bottom end of the second rack, and a third shaft is rotatably connected inside the first bushing, with one end of the fixed foot fixedly connected to the outer wall of one side of the third shaft.
[0008] Furthermore, torsion springs are symmetrically sleeved at both ends of the third rotating shaft. One end of the torsion spring is fixedly connected to the outer wall of one side of the third rotating shaft, and the other end is fixedly connected to the inside of the first bushing.
[0009] Furthermore, an isolation component is installed at the top of the base. The isolation component includes a second bushing located at the top of the base. A fourth rotating shaft is rotatably connected inside the second bushing. A first sound insulation plate is installed on the fourth rotating shaft. Second sound insulation plates are symmetrically installed on both sides of the first sound insulation plate. An installation groove is provided at the bottom of the second sound insulation plate. An extended base plate is sleeved in the installation groove. A locking block is provided at the top of the extended base plate. A sliding groove is provided inside the installation groove. The locking block is slidably connected inside the sliding groove.
[0010] Furthermore, the bottom end of the first sound insulation plate is symmetrically provided with connecting blocks, and the connecting blocks are fixedly connected to the outer wall of one side of the fourth rotating shaft. The top end of the second bushing is symmetrically provided with clearance grooves, and the connecting blocks are fitted into the interior of the clearance grooves. A hinge is symmetrically installed on one side of the second sound insulation plate, and one end of the hinge is located on one side of the first sound insulation plate.
[0011] Furthermore, a card seat is symmetrically arranged on one side of the slide, and a card slot is opened on one side of the card seat. Sliders are symmetrically fixed on both sides of the card seat. A guide post is sleeved inside the slider, and the guide post is fixedly connected to the outer wall of one side of the second sound insulation plate. A telescopic spring is sleeved on the guide post, and one end of the telescopic spring is fixedly connected to one side of the slider, and the other end is fixedly connected to one side of the second sound insulation plate.
[0012] The beneficial effects of this invention are as follows:
[0013] Compared to existing noise isolation devices, the movable component of this invention can freely switch between moving and fixed modes, adapting to the need for frequent relocation during renovation work. When not in use, the isolation panel of this invention can be folded up, reducing its space occupation and facilitating device placement. Attached Figure Description
[0014] Figure 1 is a schematic diagram of the overall southeast isometric three-dimensional structure of the present invention;
[0015] Figure 2 is an enlarged view of the structure of region A in Figure 1;
[0016] Figure 3 is an enlarged view of the structure of region B in Figure 1;
[0017] Figure 4 is a schematic diagram of the overall isometric three-dimensional structure of the present invention.
[0018] Figure 5 is an enlarged view of the structure of region C in Figure 4;
[0019] Figure 6 is an enlarged view of the structure of region D in Figure 4;
[0020] Figure 7 is a schematic diagram of the overall front view structure of the present invention;
[0021] Figure 8 is an enlarged view of the structure of region E in Figure 7;
[0022] Figure 9 is an enlarged view of the structure of region F in Figure 7;
[0023] Figure 10 is an enlarged view of the structure of region G in Figure 7;
[0024] Figure 11 is a schematic diagram of the three-dimensional cross-sectional structure of the base of the present invention;
[0025] Figure 12 is an enlarged view of the structure of region H in Figure 11;
[0026] Figure 13 is a schematic diagram of the main view sectional structure of the base portion of the present invention;
[0027] Figure 14 is a top view cross-sectional diagram of the second rack of the present invention;
[0028] Wherein: 1-base; 2-moving component; 21-motor; 22-first rotating shaft; 221-first pulley; 23-synchronous belt; 24-pressure rod; 25-second rotating shaft; 251-second pulley; 252-gear; 26-first rack; 261-roller; 27-second rack; 271-first bushing; 28-fixed foot; 29-third rotating shaft; 291-torsion spring; 3-isolation component; 31-second bushing; 311-fourth rotating shaft; 312-avoiding groove; 32-first sound insulation plate; 321-connecting block; 33-hinge; 34-second sound insulation plate; 341-mounting groove; 342-slide groove; 35-extended base plate; 351-block; 36-slot; 361-slot; 37-slider; 38-guide post; 39-telescopic spring. Detailed Implementation
[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0030] As shown in Figures 1-14, one embodiment of the present invention provides a noise isolation device for subway construction, comprising a base 1, a movable component 2, and an isolation component 3. The movable component 2 is installed inside the base 1. The movable component 2 includes a motor 21, a first rotating shaft 22, a first pulley 221, a synchronous belt 23, a pressure rod 24, a second rotating shaft 25, a second pulley 251, a gear 252, a first rack 26, a roller 261, a second rack 27, a first bushing 271, a fixed foot 28, a third rotating shaft 29, and a torsion spring 291. The motor 21 is installed inside the base 1, and the first rotating shaft 22 is installed at the output end of the motor 21. A first pulley 23 is fixedly connected to the first rotating shaft 22. The first pulley 221 has two symmetrically arranged second pulleys 251 at both ends. A second rotating shaft 25 is installed inside the second pulley 251. Gears 252 are symmetrically installed at both ends of the second rotating shaft 25. A first rack 26 is meshed with one side of the gear 252, and a roller 261 is provided at the bottom end of the first rack 26. A second rack 27 is meshed with the other side of the gear 252, and fixed feet 28 are distributed at the bottom end of the second rack 27. A synchronous belt 23 is fixedly installed on the first pulley 221, and the second pulley 251 is installed at one end of the synchronous belt 23. Pressure rods 24 are distributed on the synchronous belt 23 and are fixedly connected to the inside of the base 1. A first bushing 271 is fixedly distributed at the bottom end of strip 27. A third rotating shaft 29 is rotatably connected inside the first bushing 271, and one end of the fixing foot 28 is fixedly connected to the outer wall of one side of the third rotating shaft 29. Torsion springs 291 are symmetrically sleeved at both ends of the third rotating shaft 29, and one end of the torsion spring 291 is fixedly connected to the outer wall of one side of the third rotating shaft 29, and the other end is fixedly connected to the inside of the first bushing 271. An isolation assembly 3 is installed at the top of the base 1. The isolation assembly 3 includes a second bushing 31, a fourth rotating shaft 311, a clearance groove 312, a first sound insulation plate 32, a connecting block 321, a hinge 33, a second sound insulation plate 34, a mounting groove 341, and a sliding groove 34. 2. An extended base plate 35, a locking block 351, a locking seat 36, a locking groove 361, a slider 37, a guide post 38, and a telescopic spring 39 are provided. The top of the base 1 is fixedly connected to a second bushing 31. The inside of the second bushing 31 is rotatably connected to a fourth rotating shaft 311. A first sound insulation plate 32 is installed on the fourth rotating shaft 311. Second sound insulation plates 34 are symmetrically installed on both sides of the first sound insulation plate 32. An installation groove 341 is opened at the bottom of the second sound insulation plate 34. An extended base plate 35 is sleeved inside the installation groove 341. A locking block 351 is provided at the top of the extended base plate 35. A sliding groove 342 is opened inside the installation groove 341, and the locking block 351 is slidably connected to the inside of the sliding groove 342.The bottom end of the first soundproofing plate 32 is symmetrically provided with connecting blocks 321, and the connecting blocks 321 are fixedly connected to one side outer wall of the fourth rotating shaft 311. The top end of the second bushing 31 is symmetrically provided with clearance grooves 312, and the connecting blocks 321 are fitted into the interior of the clearance grooves 312. A hinge 33 is symmetrically installed on one side of the second soundproofing plate 34, and one end of the hinge 33 is located on one side of the first soundproofing plate 32. Due to the design of the clearance grooves 312, the connecting blocks 321 cannot continue to rotate outward in the vertical state, but can only rotate towards the side. The inner side rotates, thus restricting the rotation of the first sound insulation plate 32; a card seat 36 is symmetrically arranged on one side of the slide groove 342, and a card slot 361 is opened on one side of the card seat 36. Slider blocks 37 are symmetrically fixed on both sides of the card seat 36. A guide post 38 is sleeved inside the slider 37, and the guide post 38 is fixedly connected to the outer wall of one side of the second sound insulation plate 34. A telescopic spring 39 is sleeved on the guide post 38, and one end of the telescopic spring 39 is fixedly connected to one side of the slider 37, and the other end is fixedly connected to one side of the second sound insulation plate 34.
[0031] Based on the above, when using the movable component 2 of the present invention to switch the moving or fixed mode of the base 1, the motor 21 is started. The motor 21 drives the first pulley 221 via the first rotating shaft 22. The first pulley 221 drives the second pulley 251 via the synchronous belt 23. The second pulley 251 drives the gear 252 via the second rotating shaft 25. The gear 252 drives the first rack 26 and the roller 261 to rise. At the same time, the gear 252 drives the second rack 27 and the fixed foot 28 to fall. During the fall, due to the reset action of the torsion spring 291, the fixed foot 28 is driven to expand outward via the third rotating shaft 29, forming... The multi-angle support is used to complete the fixation. When not in use, the isolation component 3 needs to be retracted. First, pull the bottom card holder 36 outward so that the card block 351 disengages from the bottom card slot 361. Then lift the card block 351. The card block 351 drives the extended base plate 35 to retract into the mounting slot 341. Finally, the card block 351 will push aside the top card holder 36 and lock into the top card slot 361. At this time, close the second sound insulation panels 34 on both sides towards the middle. After losing the support of the extended base plate 35, the first sound insulation panel 32 and the second sound insulation panel 34 can be rotated down together until they are placed on the base 1.
[0032] The pressure rod 24 is used to tighten the synchronous belt 23 for easy transmission. The first bushing 271 is used to install the third rotating shaft 29. The second bushing 31 is used to install the fourth rotating shaft 311. The connecting block 321 is used to connect the fourth rotating shaft 311 and the first sound insulation plate 32. The clearance groove 312 facilitates the movement of the connecting block 321. The hinge 33 is used to connect the first sound insulation plate 32 and the second sound insulation plate 34. The slide groove 342 facilitates the movement of the locking block 351. The slider 37, the guide post 38 and the telescopic spring 39 are used for the installation and reset of the locking seat 36.
[0033] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A noise isolation device for subway decoration construction, comprising a base (1), characterized in that: The base (1) is equipped with a moving component (2), which includes a motor (21). A first rotating shaft (22) is installed at the output end of the motor (21). A first pulley (221) is fixedly connected to the first rotating shaft (22). A second pulley (251) is symmetrically provided at both ends of the first pulley (221). A second rotating shaft (25) is installed inside the second pulley (251). Gears (252) are symmetrically installed at both ends of the second rotating shaft (25). A first rack (26) is meshed on one side of the gear (252). A roller (261) is provided at the bottom end of the first rack (26). A second rack (27) is meshed on the other side of the gear (252). A fixed foot (28) is installed at the bottom end of the second rack (27). An isolation component (3) is installed at the top of the base. The isolation component (3) includes a second bushing (31) located at the top of the base (1). A fourth rotating shaft (3) is rotatably connected inside the second bushing (31). 11) A first sound insulation plate (32) is installed on the fourth rotating shaft (311). A second sound insulation plate (34) is symmetrically installed on both sides of the first sound insulation plate (32). A mounting groove (341) is provided at the bottom of the second sound insulation plate (34). An extended base plate (35) is fitted inside the mounting groove (341). A locking block (351) is provided at the top of the extended base plate (35). A sliding groove (342) is provided inside the mounting groove (341). The locking block (351) is slidably connected to the sliding groove (342). Inside; the bottom end of the first soundproof plate (32) is symmetrically provided with connecting blocks (321), and the connecting blocks (321) are fixedly connected to the outer wall of one side of the fourth rotating shaft (311). The top end of the second bushing (31) is symmetrically provided with relief grooves (312), and the connecting blocks (321) are sleeved inside the relief grooves (312). The side of the second soundproof plate (34) is symmetrically provided with hinges (33), and one end of the hinges (33) is located on one side of the first soundproof plate (32).
2. The noise isolation device for subway decoration construction according to claim 1, characterized in that: A timing belt (23) is installed on the first pulley (221) and the second pulley (251). A pressure bar (24) is provided on the timing belt (23), and the pressure bar (24) is fixedly connected to the inside of the base (1).
3. The noise isolation device for subway decoration construction according to claim 1, characterized in that: The bottom end of the second rack (27) is fixed with a first bushing (271), and the inside of the first bushing (271) is rotatably connected to a third shaft (29), and one end of the fixed foot (28) is fixedly connected to the outer wall of one side of the third shaft (29).
4. A noise isolation device for subway decoration construction according to claim 3, characterized in that: The third rotating shaft (29) is symmetrically fitted with torsion springs (291) at both ends. One end of the torsion spring (291) is fixedly connected to the outer wall of one side of the third rotating shaft (29), and the other end is fixedly connected to the inside of the first bushing (271).
5. A noise isolation device for subway decoration construction according to claim 1, characterized in that: A card seat (36) is symmetrically arranged on one side of the slide (342). A card slot (361) is opened on one side of the card seat (36). A slider (37) is symmetrically fixed on both sides of the card seat (36). A guide post (38) is sleeved inside the slider (37). The guide post (38) is fixedly connected to the outer wall of one side of the second sound insulation plate (34). A telescopic spring (39) is sleeved on the guide post (38). One end of the telescopic spring (39) is fixedly connected to one side of the slider (37), and the other end is fixedly connected to one side of the second sound insulation plate (34).
Citation Information
Patent Citations
Intelligent numerical control maintenance practical training platform
CN211319449U
Noise reduction device for green building construction
CN219569233U