Construction foundation pit air film type sound insulation fence

Abstract

The utility model relates to the field of construction foundation pit air -film type sound insulation enclosure, disclose a kind of construction foundation pit air -film type sound insulation enclosure, including fixed plate, the top side of the fixed plate is fixedly connected with the air film for forming enclosure, to be used to insulate noise, the bottom plate that the bottom side of the fixed plate is provided with and its matching, the inside of the fixed plate is provided with multiple bolts for being fixed to the bottom plate, the inside of the bolt is provided with dismounting assembly, to be used to facilitate staff to disassemble and assemble bolt under the condition that tool is needed, the bottom side of the fixed plate is provided with anti-loose component, to be used to prevent bolt loosening when construction site construction. In the utility model, staff can disassemble and assemble bolt without tool, improve the convenience of bolt disassembly and assembly, limit bolt, prevent bolt from rotating, improve the stability of bolt installation, reduce the probability that bolt loosens due to vibration generated during construction.

Description

Technical Field

[0001] This utility model relates to the field of air-supported membrane soundproof enclosure for construction pits, and in particular to an air-supported membrane soundproof enclosure for construction pits. Background Technology

[0002] Air-supported membrane soundproof enclosures for construction pits are a new type of environmentally friendly noise reduction facility used in building foundation pit construction. They form a closed or semi-closed space above or around the pit using an inflatable membrane structure, with the core function of blocking construction noise and dust. Their working logic is based on the acoustic properties of the membrane material and the principle of air pressure support. The damping sound insulation layer in the membrane absorbs and reflects sound waves, significantly reducing noise propagation, typically reducing external noise by 20-30 decibels. Simultaneously, the tight membrane structure can block more than 90% of construction dust. This type of enclosure is suitable for construction scenarios in densely populated urban areas, minimizing the impact on surrounding residents' lives and traffic. It is easy to install, flexibly adjustable, and can monitor the internal environment through an intelligent system, balancing noise reduction and dust prevention with construction safety and convenience. It is a commonly used piece of equipment for green construction of foundation pits.

[0003] However, current air-supported membrane soundproof enclosures for construction pits have the following drawbacks: First, they are difficult to assemble and disassemble: bolt assembly and disassembly rely on tools, making the operation cumbersome and laborious, especially when working at heights where carrying tools is inconvenient. The assembly and disassembly of a single bolt is time-consuming, increasing labor costs and working hours, and reducing the efficiency of air-supported membrane installation, adjustment, and dismantling. Second, they lack sufficient stability: the lack of an effective structure to restrict bolt rotation means that construction vibrations can easily cause micro-slippage of the threads, leading to a decrease in preload and easy loosening of the bolts, affecting the stability of the connection between the air-supported membrane and the foundation, steel cables, etc. In response to this technical problem, this application proposes an air-supported membrane soundproof enclosure for construction pits. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing an air-supported membrane soundproof enclosure for construction pits. This enclosure aims to enable workers to disassemble and assemble bolts without the need for tools, thereby improving the convenience of bolt disassembly and assembly, and restricting the bolts to prevent rotation, thus improving the stability of bolt installation and reducing the probability of bolt loosening caused by construction vibrations.

[0005] To achieve the above objectives, the present invention provides the following technical solution: A construction pit air-supported membrane soundproof enclosure includes a fixed plate. An air membrane for forming the enclosure is fixedly connected to the top side of the fixed plate to isolate noise. A matching base plate is provided on the bottom side of the fixed plate. Multiple bolts for fixing the fixed plate to the base plate are provided inside the fixed plate. The bolts are provided with disassembly components to facilitate workers to disassemble and assemble the bolts when tools are needed. An anti-loosening component is provided on the bottom side of the fixed plate to prevent the bolts from loosening during construction on site.

[0006] Furthermore, the disassembly assembly includes a round rod sleeved inside the bolt, with a crossbar fixedly connected to the top end of the round rod and two square plates fixedly connected to the bottom end of the round rod.

[0007] Furthermore, the bolt has a circular cavity inside, and two square grooves located on the top side of the cavity inside the bolt, the square grooves matching the square plate.

[0008] Furthermore, a groove is provided on the top side of the bolt, the crossbar is located inside the groove, a cover plate is rotatably connected to the top side of the groove, and a pull ring is fixedly connected to the top side of the cover plate.

[0009] Furthermore, an irregularly shaped protrusion is fixedly connected to the bottom side of the cover plate, and a groove matching the protrusion is opened on the top side of the crossbar, with the protrusion engaging inside the groove.

[0010] Furthermore, the anti-loosening component includes multiple fixing blocks fixedly connected to the top side of the fixing plate, a buckle plate rotatably connected between two adjacent fixing blocks, and the two fixing blocks and the buckle plate are connected by a torsion spring. An insert plate is fixedly connected to the top side of the buckle plate.

[0011] Furthermore, a slot is provided on the outer wall of the top of the bolt, the insert plate is inserted into the inside of the slot, and multiple rings are fixedly connected to the top side of the fixing plate.

[0012] Furthermore, a pull rope is fixedly connected to one side of the buckle plate, and a hook is fixedly connected to the end of the pull rope. The hook and a circular ring are connected, and a pressing rod is rotatably connected to one side of the hook. The pressing rod and the hook are connected by a torsion spring.

[0013] This utility model has the following beneficial effects: In this invention, by pulling the crossbar, the round rod is moved upwards, and the crossbar is rotated to make the round rod rotate until the round rod can insert the square plate into the square groove. Then, the crossbar is rotated to make the round rod rotate, so that the bolt rotates under the constraint of the square plate and the square groove, thereby enabling the bolt to be disassembled and assembled. This allows workers to disassemble and assemble the bolt without tools, improving the convenience of bolt disassembly and assembly.

[0014] In this invention, a torsion spring rotates the buckle plate onto the outer wall of the bolt, allowing the insert plate to be inserted into the slot, thereby restricting the bolt and preventing it from rotating. This improves the stability of the bolt installation, reduces the probability of bolt loosening due to vibrations during construction, and keeps the buckle plate in an inclined state by hooking the hook ring onto the circular ring and then releasing the pressing rod to seal the hook ring. Attached Figure Description

[0015] Figure 1 This is a perspective view of a construction pit air-supported membrane soundproof enclosure proposed in this utility model; Figure 2 for Figure 1 Enlarged view of point A in the middle; Figure 3 This is a schematic diagram of the bolt structure of an air-supported membrane soundproof enclosure for a construction pit proposed in this utility model. Figure 4 This is a schematic diagram of the cover plate structure of an air-supported membrane soundproof enclosure for a construction pit proposed in this utility model. Figure 5 This is a schematic diagram of the internal structure of bolts in a construction pit air-membrane soundproof enclosure proposed in this utility model.

[0016] Legend: 1. Air film; 2. Fixing plate; 3. Base plate; 4. Bolt; 5. Cover plate; 6. Pull ring; 7. Fixing block; 8. Buckle plate; 9. Insert plate; 10. Circular ring; 11. Hook ring; 12. Pressing rod; 13. Pull rope; 14. Protrusion; 15. Crossbar; 16. Round rod; 17. Square plate. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Reference Figures 1-3This utility model provides an embodiment of an air-supported membrane soundproof enclosure for a construction pit, comprising a fixed plate 2, with an air membrane 1 for forming the enclosure fixedly connected to the top side of the fixed plate 2. The air membrane 1 is supported using existing technology, such as steel reinforcement structures, to isolate noise. A matching base plate 3 is provided on the bottom side of the fixed plate 2, and multiple bolts 4 are provided inside the fixed plate 2 for fixing it to the base plate 3. (Refer to...) Figures 3-5 A round rod 16 is fitted inside the bolt 4. A crossbar 15 is fixedly connected to the top of the round rod 16, and two square plates 17 are fixedly connected to the bottom of the round rod 16. A circular cavity is opened inside the bolt 4, and two square slots are opened on the top side of the cavity. The square slots and square plates 17 match. By pulling the crossbar 15, the round rod 16 is moved upward. At the same time, the crossbar 15 is rotated to rotate the round rod 16 until the round rod 16 can insert the square plates 17 into the square slots. Then, the crossbar 15 is rotated to rotate the round rod 16, so that the bolt 4 can rotate under the restriction of the square plates 17 and the square slots. This allows the bolt 4 to be disassembled and assembled without tools, improving the convenience of disassembling and assembling the bolt 4. A groove is formed on the top side of bolt 4, and crossbar 15 is located inside the groove. A cover plate 5 is rotatably connected to the top side of the groove, and a pull ring 6 is fixedly connected to the top side of cover plate 5. An irregularly shaped protrusion 14 is fixedly connected to the bottom side of cover plate 5. A groove matching the protrusion 14 is formed on the top side of crossbar 15. The crossbar 15 is restricted by engaging the protrusion 14 into the groove, preventing it from rotating. The protrusion 14 is made of an elastic material, allowing it to engage into the groove by rotating cover plate 5. With the protrusion 14 engaged inside the groove, pulling pull ring 6 flips cover plate 5, opening the groove on top of bolt 4 and causing protrusion 14 to dislodge from the groove, thus releasing the restriction on crossbar 15.

[0019] Reference Figure 2 and Figure 3Multiple fixing blocks 7 are fixedly connected to the top side of the fixing plate 2. A snap-on plate 8 is rotatably connected between two adjacent fixing blocks 7. The two fixing blocks 7 and the snap-on plate 8 are connected by a torsion spring. An insert plate 9 is fixedly connected to the top side of the snap-on plate 8. A slot is opened on the outer wall of the top of the bolt 4. The insert plate 9 is inserted into the inside of the slot. The snap-on plate 8 is rotated onto the outer wall of the bolt 4 by the torsion spring, so that the insert plate 9 is inserted into the slot, thereby restricting the bolt 4, preventing the bolt 4 from rotating, improving the stability of the bolt 4 installation, and reducing the probability of the bolt 4 loosening due to vibration generated during construction. Multiple rings 10 are fixedly connected to the top side of the fixing plate 2. A pull rope 13 is fixedly connected to one side of the buckle plate 8. A hook ring 11 is fixedly connected to the end of the pull rope 13. The hook ring 11 is connected to the rings 10. A pressing rod 12 is rotatably connected to one side of the hook ring 11. The pressing rod 12 and the hook ring 11 are connected by a torsion spring. By pulling the hook ring 11, the buckle plate 8 is rotated, causing the buckle plate 8 to disengage from the rotation path of the bolt 4, preventing it from blocking the bolt 4. Then, the pressing rod 12 is pressed to rotate it, causing the hook ring 11 to open. Then, the hook ring 11 is hooked onto the ring 10. The pressing rod 12 is then released to seal the hook ring 11, thereby keeping the buckle plate 8 in an inclined state.

[0020] Working principle: First, the fixing plate 2 is aligned with the base plate 3. Then, the bolt 4 is screwed into the fixing plate 2 and the base plate 3, thereby installing the air membrane 1 onto the construction pit. When screwing the bolt 4 into the fixing plate 2 and the base plate 3, the hook ring 11 is pulled to rotate the snap-fit ​​plate 8, disengaging it from the rotation path of the bolt 4 to prevent it from blocking the bolt 4. Then, the pressing rod 12 is pressed to rotate it, opening the hook ring 11. The hook ring 11 is then hooked onto the ring 10. The pressing rod 12 is then released to seal the hook ring 11, keeping the snap-fit ​​plate 8 in an inclined state. Then, the pull ring 6 is pulled to flip the cover plate 5, opening the groove at the top of the bolt 4 and causing the protrusion 14 to fall out of the groove. After releasing the restriction on the crossbar 15, pull the crossbar 15 to move the round rod 16 upwards, while rotating the crossbar 15 to rotate the round rod 16 until the round rod 16 can insert the square plate 17 into the square groove. Then continue to rotate the crossbar 15 to rotate the round rod 16, so that the bolt 4 rotates under the restriction of the square plate 17 and the square groove, thereby screwing the bolt 4 into the fixing plate 2 and the base plate 3. Then put the cover plate 5 back on the groove, and repeat the above process to release the lock on the buckle plate 8, so that it rotates to the outer wall of the bolt 4 under the action of the torsion spring, so that the insert plate 9 is inserted into the slot, thereby restricting the bolt 4 and preventing the bolt 4 from rotating.

[0021] Finally, it should be noted that the size, material, and shape of each structure involved in the above embodiments are all based on the actual situation and adopt the corresponding existing technology. Therefore, they are not described in detail in the embodiments of this application. The above description is only a preferred embodiment of this utility model and is not intended to limit this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A type of air-supported membrane soundproof enclosure for construction pits, characterized in that, Includes a fixing plate (2), on the top side of which is fixedly connected an air membrane (1) for forming a barrier to isolate noise. The bottom side of the fixing plate (2) is provided with a matching base plate (3). The fixing plate (2) is provided with multiple bolts (4) for fixing it to the base plate (3). The bolts (4) are provided with disassembly components to facilitate workers to disassemble and assemble the bolts (4) when tools are needed. The bottom side of the fixing plate (2) is provided with anti-loosening components to prevent the bolts (4) from loosening during construction on the site.

2. The air-supported membrane soundproof enclosure for a construction pit according to claim 1, characterized in that: The disassembly assembly includes a round rod (16) sleeved inside the bolt (4), with a crossbar (15) fixedly connected to the top end of the round rod (16) and two square plates (17) fixedly connected to the bottom end of the round rod (16).

3. The air-supported membrane soundproof enclosure for a construction pit according to claim 2, characterized in that: The bolt (4) has a circular cavity inside, and two square grooves located on the top side of the cavity inside the bolt (4) are matched with the square plate (17).

4. The air-supported membrane soundproof enclosure for a construction pit according to claim 2, characterized in that: The top side of the bolt (4) has a groove, the crossbar (15) is located inside the groove, the top side of the groove is rotatably connected to a cover plate (5), and the top side of the cover plate (5) is fixedly connected to a pull ring (6).

5. The air-supported membrane soundproof enclosure for a construction pit according to claim 4, characterized in that: The bottom side of the cover plate (5) is fixedly connected with a protrusion (14) of an irregular shape, and the top side of the crossbar (15) is provided with a groove that matches the protrusion (14), and the protrusion (14) is engaged inside the groove.

6. The air-supported membrane soundproof enclosure for a construction pit according to claim 1, characterized in that: The anti-loosening component includes multiple fixing blocks (7) fixedly connected to the top side of the fixing plate (2), a buckle plate (8) is rotatably connected between two adjacent fixing blocks (7), the two fixing blocks (7) and the buckle plate (8) are connected by a torsion spring, and an insert plate (9) is fixedly connected to the top side of the buckle plate (8).

7. The air-supported membrane soundproof enclosure for a construction pit according to claim 6, characterized in that: The outer wall of the top of the bolt (4) has a slot, the insert plate (9) is inserted into the slot, and multiple rings (10) are fixedly connected to the top side of the fixing plate (2).

8. The air-supported membrane soundproof enclosure for a construction pit according to claim 7, characterized in that: A pull rope (13) is fixedly connected to one side of the buckle plate (8), and a hook ring (11) is fixedly connected to the end of the pull rope (13). The hook ring (11) is connected to the ring (10), and a pressing rod (12) is rotatably connected to one side of the hook ring (11). The pressing rod (12) and the hook ring (11) are connected by a torsion spring.

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