An enhanced puncture-resistant flexible vibration isolation air cushion and method

Abstract

This invention discloses an enhanced tensile and puncture-resistant flexible vibration isolation air cushion and its process, solving the problems of poor tensile strength and easy scratching leading to non-recyclability in existing vibration isolation air cushion structures. It achieves the beneficial effect of making the vibration isolation air cushion recyclable. The specific solution is as follows: An enhanced tensile and puncture-resistant flexible vibration isolation air cushion includes a protective component, which is a ring-shaped structure. The protective component includes a seamless base fabric layer, a flexible steel wire layer, and a fiber reinforcement layer arranged sequentially from the inside to the outside. The seamless base fabric layer, flexible steel wire layer, and fiber reinforcement layer are integrally composited. A drawing element is woven into the seamless base fabric layer of the protective component, and the drawing element connects to the opposite seamless base fabric layer. A sealing component is placed on the left and right sides, top, and bottom of the protective component and is connected to the protective component. An inflation component is placed at the sealing component.

Description

Technical Field

[0001] This invention relates to the field of vibration isolation equipment for strengthening and reinforcing dynamic compaction foundations, and in particular to an enhanced tensile-resistant and puncture-resistant flexible vibration isolation air cushion and its method. Background Technology

[0002] The statements in this section are merely background information related to the present invention and do not necessarily constitute prior art.

[0003] In dynamic compaction foundation reinforcement construction, flexible vibration isolation air cushions are key equipment for blocking vibration propagation and protecting the safety of surrounding structures. Typically, multiple flexible vibration isolation air cushions are inserted into the foundation to form a linear barrier. Part of the air cushion is buried in the soil, while part is exposed, forming a vibration isolation barrier. After dynamic compaction, they need to be retrieved from the ground to achieve resource reuse. However, existing flexible vibration isolation air cushions are generally made of a single flexible material and lack dedicated reinforcement and protective structures, resulting in the following problems: On the one hand, the tensile strength of a single flexible material is insufficient, and it cannot effectively withstand the traction force during recycling, making it prone to breakage and leading to recycling failure; On the other hand, during the recycling process of air cushions, because the air cushions are made of flexible materials and lack targeted anti-puncture and wear-resistant designs, the surface of the air cushions is easily scratched and worn by sharp debris in the soil, and once worn, they cannot be recycled. Summary of the Invention

[0004] To address the shortcomings of existing technologies, the purpose of this invention is to provide an enhanced tensile and puncture-resistant flexible vibration isolation air cushion, which effectively improves the support, tensile strength, and puncture resistance of the air cushion structure.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solution: An enhanced tensile and puncture-resistant flexible vibration isolation air cushion includes: The protective component is a ring-shaped structure and is an integral structure. The main body of the protective component includes a seamless base fabric layer, a flexible steel wire layer and a fiber reinforcement layer arranged sequentially from the inside to the outside. The seamless base fabric layer, flexible steel wire layer and fiber reinforcement layer are integrally formed. The seamless base fabric layer in the main body of the protective component is woven into a wire drawing element, and the wire drawing element connects the main body of the protective component on opposite sides. Sealing components are placed at the top and bottom of the protective components and are connected to the protective components; The inflation component is located at the sealing component.

[0006] As described above, in an enhanced tensile and puncture-resistant flexible vibration isolation air cushion, the sealing component is welded to the protective component, and the sealing component includes a thermoplastic polyurethane elastomer substrate and a fiber reinforcement layer arranged sequentially from the inside to the outside. The protective component also includes a side portion, which is placed on the side of the main body and integrally formed with the main body. The side portion includes a seamless base fabric layer and a fiber reinforcement layer arranged sequentially from the inside to the outside. The thickness of the seamless base fabric layer in the side portion is greater than the thickness of the seamless base fabric layer in the main body portion; the thickness of the fiber reinforcement layer in the side portion is greater than the thickness of the fiber reinforcement layer in the main body portion.

[0007] As described above, in an enhanced tensile and puncture-resistant flexible vibration isolation air cushion, the thickness of the fiber reinforcement layer in the protective component is 2.8mm-3.2mm, the thickness of the flexible steel wire layer in the protective component is 2.2mm-2.7mm, and the thickness of the seamless base fabric layer in the protective component is 2.2mm-2.7mm.

[0008] As described above, the enhanced tensile and puncture-resistant flexible vibration isolation air cushion has a multi-strand nylon filament as the drawing element. The diameter of the single filament in the nylon filament is 0.15-0.2mm, and the number of strands is 12-16. The drawing element is woven into the seamless base fabric layer of the main body by a warp knitting machine. The length of the drawing element is 100mm-150mm, the spacing between the drawing elements is 20mm-25mm, and the two ends of the drawing element are knotted and fixed.

[0009] As described above, an enhanced tensile and puncture-resistant flexible vibration isolation air cushion includes a flexible steel wire layer comprising multiple steel wire ropes woven into a mesh structure with a mesh side length of 10mm-20mm. The surface of the flexible steel wire layer is coated with thermoplastic polyurethane elastomer.

[0010] As described above, an enhanced tensile and puncture-resistant flexible vibration isolation air cushion has a seamless base fabric layer coated with a thermoplastic polyurethane elastomer coating. The seamless base fabric layer is made of woven fabric.

[0011] As described above, the enhanced tensile and puncture-resistant flexible vibration isolation air cushion has a fiber reinforcement layer made of polyester fiber cloth. The fiber reinforcement layer is made by laying multiple pieces of polyester fiber cloth in a set angle overlapping manner and by a double-sided synchronous coating hot pressing process. The surface of the fiber-reinforced layer is coated with a thermoplastic polyurethane elastomer coating.

[0012] Secondly, the present invention also provides a manufacturing process for an enhanced tensile and puncture-resistant flexible vibration-damping air cushion, comprising the following: The seamless base fabric layer of the woven protective component is woven into the seamless base fabric layer of the protective component, and the drawing element is connected to the seamless base fabric layer in the main body on both sides of the protective component. A flexible steel wire layer is set on the surface of the seamless base fabric layer in the main body; A fiber reinforcement layer is provided on the surface of the flexible steel wire layer, and the fiber reinforcement layer and the flexible steel wire layer are formed by hot pressing. After the protective component is formed, sealing components are installed at the top and bottom of the protective component, and the sealing components are connected to the protective component.

[0013] The manufacturing process of the enhanced tensile and puncture resistant flexible vibration isolation air cushion described above involves connecting the sealing component and the protective component by welding. The sealing component includes a thermoplastic polyurethane elastomer substrate and a fiber reinforcement layer arranged sequentially from the inside to the outside. The thermoplastic polyurethane elastomer substrate and the fiber reinforcement layer are bonded together by a coating hot pressing process.

[0014] The manufacturing process of the enhanced tensile and puncture resistant flexible vibration isolation air cushion described above includes a seamless base fabric layer made of woven fabric, a thermoplastic polyurethane elastomer coating on the surface of the seamless base fabric layer, a thermoplastic polyurethane elastomer coating on the surface of the flexible steel wire layer, and a thermoplastic polyurethane elastomer coating on the surface of the fiber reinforcement layer. The coating process for thermoplastic polyurethane elastomer coatings includes the following: The coating process of thermoplastic polyurethane elastomer is adopted by scraper coating or spraying process. The coating or spraying temperature is controlled between 100℃ and 135℃. After coating or spraying, it is sent to the drying device and dried at 80℃-100℃ for a set time.

[0015] The beneficial effects of the present invention are as follows: 1) The main structure of the protective component in this invention adopts a seamless base fabric layer + flexible steel wire layer + fiber reinforcement layer. The seamless base fabric layer provides certain bonding performance and ensures the composite of the three layers. The flexible steel wire layer effectively improves the overall tensile strength. The fiber reinforcement layer on the outermost layer effectively improves the overall puncture resistance. The protective component forms a ring structure to facilitate connection with the sealing component. In this way, the performance is improved from three dimensions: support, tensile strength and puncture resistance. This solves the core pain points of low pull strength and easy breakage during the recovery of traditional air cushions, and avoids scratches and wear on the surface of the air cushion, ensuring that the air cushion structure can be utilized.

[0016] 2) The manufacturing process proposed in this invention not only effectively enhances the tensile strength of the overall structure and prevents scratches, but also ensures that there is no delamination between layers and no leakage at the ends by hot-pressing the fiber reinforcement layer and the flexible steel wire layer, thereby improving the overall reliability and durability of the air cushion. Attached Figure Description

[0017] The accompanying drawings, which form part of this invention, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an improper limitation of the invention.

[0018] Figure 1 This is a schematic diagram of an enhanced tensile and puncture-resistant flexible vibration isolation air cushion according to one or more embodiments of the present invention.

[0019] Figure 2 This is a half-view of the transverse cross-section of an enhanced tensile and puncture-resistant flexible vibration isolation air cushion according to one or more embodiments of the present invention.

[0020] Figure 3 This is a schematic diagram of the sealing component in an enhanced tensile and puncture-resistant flexible vibration isolation air cushion according to one or more embodiments of the present invention, when it is unfolded.

[0021] The diagram exaggerates the spacing or dimensions between parts to show their positions; the diagram is for illustrative purposes only.

[0022] The components include: 1. protective parts, 2. sealing parts, and 3. inflation nozzles; 11. Fiber reinforcement layer; 12. Flexible steel wire layer; 13. Seamless base fabric layer; 14. Wire drawing component; 15. Air tube; 16. Hook and loop fastener; 21. Polyester fiber strip; 22. Reinforced TPU substrate. Detailed Implementation

[0023] It should be noted that the following detailed description is illustrative and intended to provide further explanation of the invention. Unless otherwise specified, all technical and scientific terms used in this invention have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains.

[0024] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of exemplary embodiments according to the invention. As used herein, unless otherwise expressly indicated by the invention, the singular form is also intended to include the plural form. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof. As described in the background section, existing vibration isolation air cushion structures suffer from poor tensile strength and are easily scratched, making them unrecoverable. To address these technical problems, this invention proposes an enhanced tensile and puncture-resistant flexible vibration isolation air cushion.

[0025] Example 1 In a typical embodiment of the present invention, reference is made to Figure 1 and Figure 2 As shown, an enhanced tensile and puncture-resistant flexible vibration isolation air cushion includes: Protective component 1 is a ring-shaped structure. The protective component includes a main body, which includes a front side and a rear side. The protective component also includes a side side, which is integrally formed with the main body. The front side and the rear side are arranged opposite to each other. The front side is a front plate, the rear side is a rear plate, and the side side is an arc-shaped plate. The front side, the rear side, and the side side are integrally formed. The side side includes two parts, which connect the front side and the rear side. The front side and the rear side include a seamless base fabric layer 13, a flexible steel wire layer 12, and a fiber reinforcement layer 11 arranged sequentially from the inside to the outside. The seamless base fabric layer, the flexible steel wire layer, and the fiber reinforcement layer are integrally formed. The seamless base fabric layer in the protective component is woven with a drawing element 14, which connects to the opposite seamless base fabric layer 13. Sealing component 2 is placed on both sides, bottom and top of protective component 1. Sealing component 2 is connected to protective component 1. Sealing component 2 is an arc-shaped structure. Sealing component 2 can be deformed to facilitate the recycling of the whole structure after the air cushion structure deflates. The inflation component is located at the sealing component.

[0026] In this embodiment, the material of the protective component 1 is the existing seamless reinforced tensile and puncture-resistant filament fabric. The tensile and puncture-resistant filament fabric adopts a seamless base fabric layer + flexible steel wire layer + fiber reinforcement layer. The seamless base fabric layer improves the overall bonding performance, the flexible steel wire layer 12 effectively improves the overall tensile strength, and the fiber reinforcement layer 11 on the outermost layer effectively improves the overall puncture resistance. The protective component forms a ring structure to facilitate connection with the sealing component. In this way, the performance is improved from three dimensions: support, tensile strength, and puncture resistance, solving the core pain points of low pull strength and easy breakage during the recovery of traditional air cushions. An inflation port is set at one end of the sealing component, and an inflation accessory is set at the inflation port.

[0027] It is easy to understand that, in order to facilitate the recycling of the vibration isolation air cushion and ensure the flexibility of the side, the side includes a seamless base fabric layer and a fiber reinforcement layer arranged sequentially from the inside to the outside; considering the overall thickness of the protective component, the thickness of the seamless base fabric layer in the side is greater than the thickness of the seamless base fabric layer in the front and rear sides; the thickness of the fiber reinforcement layer in the side is greater than the thickness of the fiber reinforcement layer in the front and rear sides.

[0028] It should be noted that the sealing component 2 is welded to the protective component 1. The sealing component 2 includes a reinforced thermoplastic polyurethane elastomer substrate (reinforced TPU substrate) and a fiber reinforcement layer arranged sequentially from the inside to the outside. The connection between the protective component and the sealing component is achieved by hot-press welding. The reinforced TPU substrate is an aromatic polyether type TPU with a hardness of 90A and a thickness of 0.8-1.0mm. The high-strength polyester fiber mesh composite fabric layer has the same specifications as the polyester fiber fabric used for the drawing fabric (weight 400-500g / ㎡). During the composite process, a coating hot-press process is used to form the reinforced TPU substrate and the fiber reinforcement layer. The material of the fiber reinforcement layer in the sealing component is the same as the material of the fiber reinforcement layer in the protective component.

[0029] It should be explained that the flexible steel wire layer 12 in the protective component 1 is to enhance the tensile strength, but the end sealing component 2 does not require this, so the flexible steel wire layer 12 is not provided in the sealing component 2. However, considering that the thickness of the sealing component and the protective component should be compatible, the thickness of the thermoplastic polyurethane elastomer substrate in the sealing component 2 is greater than the thickness of the seamless base fabric layer in the protective component; the thickness of the fiber reinforcement layer 11 in the sealing component 2 is greater than the thickness of the fiber reinforcement layer 11 in the protective component.

[0030] Understandably, reference Figure 3 As shown, the filament-drawing component 14 is placed inside the protective component. Multiple filament-drawing components 14 are arranged between the two protective components, connecting the opposing protective components. This further enhances the strength of the air cushion structure and improves its tensile strength. Because it connects the front and rear sides, the filament-drawing component 14 is made of multi-strand nylon filaments, which are curved to ensure sufficient elongation. This enhances the structural strength of the air cushion while maintaining its deformation capacity during operation. The multiple strands of nylon filaments are densely woven into the middle of the two seamless base fabric layers, forming a filament-drawing structure. When air is inflated into the air cushion, the protective components on both sides begin to bulge outwards. However, when the distance between the upper and lower layers reaches the set length of the filament-drawing component 14, the nylon filaments are instantly taut. At this point, the powerful internal air thrust and the physical tension of the nylon filaments create a force balance, forming a rigid, flat, plate-like structure.

[0031] The diameter of the nylon filament is 0.15-0.2mm, and the number of plies is 12-16. The filament drawing element 14 is woven into the seamless base fabric layer of the protective component by a warp knitting machine. The length of the filament drawing element 14 is 100mm-150mm, and the spacing between the filament drawing elements 14 is 20mm-25mm, forming a uniformly distributed filament drawing structure. The two ends of the filament drawing element 14 are knotted and fixed to prevent the filament drawing element 14 from detaching.

[0032] Considering that the protective component 1 needs to ensure scratch resistance, the thickness of the fiber reinforcement layer 11 is 2.8mm-3.2mm, the thickness of the flexible steel wire layer 12 in the protective component 1 is 2.2mm-2.7mm, and the thickness of the seamless base fabric layer 13 in the protective component 1 is 2.2mm-2.7mm.

[0033] In this embodiment, the seamless base fabric layer 13 adopts the existing seamless base PP (polypropylene yarn or polypropylene nylon yarn) fabric layer bottom substrate. The barrel-shaped seamless base PP fabric is woven into the middle part of the fabric by a double needle bed warp knitting machine. The drawing part 14 is woven together with the seamless base fabric layer 13, which effectively improves the overall structural strength of the air cushion. The surface of the seamless base fabric layer 13 is coated with a thermoplastic polyurethane elastomer coating to enhance the adhesion to the flexible steel wire layer.

[0034] Regarding the flexible steel wire layer, the flexible steel wire layer 12 comprises multiple steel wire ropes woven into a mesh structure. Specifically, the flexible steel wire layer 12 uses multi-strand twisted 304 stainless steel flexible steel wire ropes as reinforcing units. After the flexible steel wire layer 12 covers the surface of the seamless base fabric layer, it is coated with a thermoplastic polyurethane elastomer (TPU) coating. The diameter of the flexible steel wire rope 12 is 0.5mm-1.2mm, specifically 0.8mm, and it is made of multiple, such as 49, micro-fine monofilaments twisted in a 7×7 structure. A diamond-shaped chain weaving process is used to make the steel wire rope into a mesh structure, with a mesh side length of 10mm-20mm. After the TPU coating is applied, the thickness of the flexible steel wire layer 12 is controlled at 2.5±0.1mm. The overall tensile strength of the flexible steel wire rope net 12 is ≥25KN / m. The size of the flexible steel wire layer 12 completely covers the seamless base fabric layer, effectively ensuring the pull-out resistance of the air cushion structure. The TPU coating on the surface of the flexible steel wire layer 12 effectively improves the bonding ability between the flexible steel wire layer and the fiber reinforcement layer. In some examples, the fiber reinforcement layer 11 is made of polyester fiber cloth. The fiber reinforcement layer 11 is made by laying multiple pieces of polyester fiber cloth at a set angle and using a double-sided synchronous coating hot pressing process. The high-strength polyester fiber mesh composite cloth layer is divided into upper and lower sides and laid in a 45° staggered overlapping manner. That is, after the first piece of fiber cloth is laid, the second piece of fiber cloth is rotated 45 degrees and then superimposed on the first piece, so that the texture of the upper and lower fiber layers presents a cross mesh pattern. Ordinary unidirectional or orthogonal mesh cloth is prone to deformation or tearing when subjected to oblique force. The 45° staggered overlapping can effectively disperse the tensile force from all directions, solving the problem of low pull-out strength and easy breakage during recycling. The staggered fiber mesh reduces the gaps inside the material, forming a denser protective layer, thereby effectively preventing sharp underground debris from piercing the air cushion. Both sides of the fiber reinforcement layer are coated with thermoplastic polyurethane elastomer coating. After completion, the overall weight of the protective component is 900g / ㎡-1200g / ㎡, and the thickness is controlled at 3±0.1mm.

[0035] It should be explained that the inflation component includes an inflation nozzle 3 located on the top sealing component 2, and an air tube 15 is provided inside the air cushion structure. The air tube 15 can be arranged along the height direction of the air cushion structure. The air tube 15 can be a flexible tube. The diameter of the air tube 15 is smaller than the maximum width of the air cushion structure. The air tube 15 is connected to the inflation nozzle 3 for inflation.

[0036] In addition, the sealing component is made of reinforced TPU substrate 22 and high-strength polyester fiber mesh composite fabric. The reinforced TPU substrate 22 is made of aromatic polyether TPU with a hardness of 90A, and the high-strength polyester fiber mesh composite fabric is made of polyester fiber strips 21. The polyester fiber strips 21 have the same specifications as the polyester fiber fabric used for the drawing cloth. During the composite process, a coating hot pressing process is used. A layer of TPU adhesive with a thickness of 0.3mm-0.4mm is coated on the surface of the reinforced TPU substrate 22, and multiple polyester fiber strips 21 are cross-bonded to the surface of the reinforced TPU substrate 22 and sent into a hot press for hot pressing molding.

[0037] In addition, it is easy to understand that a hook and loop fastener 16 is provided on the inner side of the protective component 2. The hook and loop fastener 16 includes a female fastener and a female fastener arranged opposite each other. The female fastener is located on the inner side of one side of the protective component 2, and the female fastener is located on the inner side of the other side of the protective component 2. After the air cushion structure is flattened after deflating, it is fixed by the female fastener and the female fastener, which facilitates the transportation, handling and storage of the air cushion structure.

[0038] The manufacturing process provided in this embodiment rationally sets up each structural component and optimizes the design of relevant parameters, taking into account both flexibility and high strength. It is suitable for complex underground working conditions and effectively avoids engineering risks such as puncture, air leakage, and pull-out failure. Its adaptability far exceeds that of traditional wire mesh air cushions, solving the problems of easy damage and difficult recycling of traditional air cushions. It has a high reusability rate and can be adapted to dynamic compaction and vibration isolation operations in complex geology. Through the setting of fiber reinforcement layer, the high tensile strength of flexible steel wire layer and the high puncture resistance of high-strength fiber reinforcement layer can ensure the complete recovery of air cushion after dynamic compaction, thereby improving the utilization rate.

[0039] Example 2 This embodiment discloses a manufacturing process for an enhanced tensile and puncture-resistant flexible vibration isolation air cushion, including the following: 1) The barrel-shaped seamless PP fabric blank is fed to a double needle bed warp knitting machine. Using the warp knitting Jacquard process, multiple strands of nylon filaments (single filament diameter 0.15mm-0.2mm, number of strands 12-16) are woven into the middle part of the fabric to form a uniformly distributed filament structure. The spacing between the filaments is controlled at 20mm-25mm, and the filament length is set at 100mm-150mm. The two ends of the filaments are fixed by knotting to prevent the filaments from coming off. 2) A TPU coating (aliphatic polyether TPU with a hardness of 85A) is applied to the surface of the PP fabric woven with a brushed structure using a doctor blade coating process. The coating temperature is controlled at 120℃-130℃, and the doctor blade gap is adjusted to 0.3mm-0.4mm. After coating, the fabric is placed in a drying oven and dried at 80℃-90℃ for 10-15 minutes to ensure uniform coating adhesion without any missed areas or drips. The final layer thickness is controlled at 1.5±0.1mm, and the coating adhesion is ≥1.5N / mm. 3) Select 304 stainless steel micro-fine monofilament (0.08mm in diameter) and twist it into a steel wire rope with a 7×7 structure. Put the steel wire rope into an ultrasonic cleaning machine to clean it and remove surface oil and impurities. Vertically and evenly cover one side of the seamless base PP fabric layer in the front and rear parts of the steel wire rope. Multiple steel wire ropes are woven into a mesh structure with a mesh side length of 10mm-20mm. Subsequently, a spraying process was used to coat the surface of the wire rope and the bonding surface with a TPU coating (the same TPU model used in the base PP fabric layer). The spraying pressure was controlled at 0.3MPa-0.4MPa, the spraying temperature was 110℃-120℃, and the spraying thickness was 1.0mm-1.1mm. After spraying, the coating is placed in a constant temperature drying oven and dried at 85℃-95℃ for 15-20 minutes to fully cure the TPU coating. After coating, the thickness of the composite layer (PP fabric layer + vertical flexible steel wire layer) is controlled at 2.5±0.1mm. The overall tensile strength of the mesh structure composed of the flexible steel wire rope is ≥25KN / m, and the elongation at break is ≤15%. 4) Cut the polyester fiber cloth into sheets that match the size of the seamless base layer, and lay them in a 45° staggered overlapping manner, with 2 sheets on each of the top and bottom sides, to ensure the structural strength of the polyester fiber cloth and prevent the surface of the air cushion structure from being scratched by sharp objects during the pulling process. A double-sided synchronous coating hot-pressing process is adopted. TPU coating (thickness 0.5mm-0.6mm) is simultaneously coated on the upper and lower surfaces of the laminated polyester fiber cloth and the bonding surface of the flexible steel wire layer or the seamless base layer woven fabric layer in the side part. The coating temperature is controlled at 125℃-135℃. Immediately after coating, it is bonded to the surface of the flexible steel wire layer and sent into a hot press for hot-pressing composite. The hot-pressing temperature is 140℃-150℃, the hot-pressing pressure is 0.5MPa-0.6MPa, and the hot-pressing time is 8min-10min. After hot pressing, the coating is sent to a cooling machine and cooled at 25℃-30℃ for 5-8 minutes to ensure that the coating is completely cured, the layers are tightly bonded, and there is no delamination. 5) The air nozzle interface adopts a threaded sealing structure and is equipped with a sealing ring (made of nitrile rubber, hardness 70A). At the designated position on the seamless reinforced tensile and puncture-resistant fabric (near one end of the sealing fabric), a 16mm diameter mounting hole is punched. The edge of the mounting hole is heat-sealed to prevent edge damage. Pass the air nozzle through the mounting hole and fix it with a nut from inside the air cushion to ensure a firm and secure fit. Then connect one end of the air hose to the outlet end of the air nozzle and fix it with a clamp (clamp tightening torque is 5-8 N·m). Apply TPU sealant to the connection to enhance the seal. 6) The sealing component is made of reinforced TPU substrate 22 and high-strength polyester fiber mesh composite fabric. The reinforced TPU substrate 22 is made of aromatic polyether TPU with a hardness of 90A and a thickness of 0.8mm-1.0mm. The high-strength polyester fiber mesh composite fabric uses polyester fiber strips 21, which are the same as the polyester fiber fabric used for the drawing cloth (weight 400g / ㎡-500g / ㎡). During lamination, a coating hot-pressing process is adopted. A layer of TPU adhesive with a thickness of 0.3mm-0.4mm is coated on the surface of the reinforced TPU substrate 22. Multiple polyester fiber strips 21 are crosswise bonded to the surface of the reinforced TPU substrate 22 and sent into a hot press. The hot pressing temperature is 135℃-145℃, the hot pressing pressure is 0.4MPa-0.5MPa, and the hot pressing time is 6min-8min. This ensures that the two layers are tightly bonded without delamination or bubbles. After lamination, the thickness of the reinforcing sealing cloth is controlled at 1.5±0.1mm, and the tensile strength is ≥25KN / m. 7) Cut the prepared reinforcing sealing fabric into a shape that matches the size of the air cushion at both ends, and connect it to the seamless reinforced tensile and puncture-resistant filament fabric using a hot-press welding process. The welding temperature is 150℃-160℃, which is slightly higher than the softening point of TPU, but much lower than the damage temperature of the internal high-strength polyester fiber mesh composite fabric layer or flexible steel wire layer. This ensures the welding strength and protects the main frame from being burned. The welding pressure is 0.6MPa-0.7MPa, the welding time is 5s-7s, and the welding width is 10mm-12mm. It needs to be explained that thermocompression welding involves heating and applying pressure to allow the molecular chains of two layers of TPU to diffuse and permeate each other, and then solidify into one piece after cooling. Thermocompression welding can achieve a seamless connection and prevent air leakage.

[0040] 8) During the welding process, hot air is used to assist heating to ensure that there are no false welds or missing welds at the weld. After the welding is completed, the weld edges are trimmed to remove burrs. At the same time, a layer of TPU sealant with a thickness of 0.2mm-0.3mm is applied to the weld to provide multiple sealing barriers at the sealing point, effectively eliminating the risk of air leakage, further improving the sealing performance, and preventing air leakage after inflation.

[0041] 9) Inflate the air cushion to the rated pressure (0.1MPa-0.15MPa), maintain the pressure for 24 hours, observe whether there is any air leakage or bulging, and check whether the leakage meets the requirements (≤0.01MPa / h). After deflating, fold and pack the air cushion to form an air cushion structure.

[0042] The process provided in this embodiment uses a wire drawing process and coating or spraying of thermoplastic polyurethane elastomer inside the protective component, and adopts a graded hot pressing process. The protective component is welded to the sealing component, thus ensuring no delamination between layers and no leakage at the ends, improving the overall reliability and durability of the air cushion. The manufactured product process is stable and controllable, and the product consistency is good.

[0043] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A reinforced, tensile-resistant, puncture-resistant, flexible vibration-damping air cushion, characterized in that, include: The protective component is a ring-shaped structure and is an integral structure. The main body of the protective component includes a seamless base fabric layer, a flexible steel wire layer and a fiber reinforcement layer arranged sequentially from the inside to the outside. The seamless base fabric layer, flexible steel wire layer and fiber reinforcement layer are integrally formed. The seamless base fabric layer in the main body of the protective component is woven into a wire drawing element, and the wire drawing element connects the main body of the protective component on opposite sides. Sealing components are placed at the top and bottom of the protective components and are connected to the protective components; The inflation component is located at the sealing component.

2. The enhanced tensile and puncture-resistant flexible vibration isolation air cushion according to claim 1, characterized in that, The sealing component is welded to the protective component, and the sealing component includes a thermoplastic polyurethane elastomer substrate and a fiber reinforcement layer arranged sequentially from the inside to the outside; The protective component also includes a side portion, which is placed on the side of the main body and integrally formed with the main body. The side portion includes a seamless base fabric layer and a fiber reinforcement layer arranged sequentially from the inside to the outside. The thickness of the seamless base fabric layer in the side portion is greater than the thickness of the seamless base fabric layer in the main body portion; the thickness of the fiber reinforcement layer in the side portion is greater than the thickness of the fiber reinforcement layer in the main body portion.

3. The enhanced tensile and puncture-resistant flexible vibration isolation air cushion according to claim 1, characterized in that, The thickness of the fiber reinforcement layer in the protective component is 2.8mm-3.2mm, the thickness of the flexible steel wire layer in the protective component is 2.2mm-2.7mm, and the thickness of the seamless base fabric layer in the protective component is 2.2mm-2.7mm.

4. The enhanced tensile and puncture-resistant flexible vibration isolation air cushion according to claim 1, characterized in that, The drawing element is made of multi-strand nylon filaments, with a single filament diameter of 0.15-0.2mm and a number of strands of 12-16. The drawing element is woven into the seamless base fabric layer of the main body by a warp knitting machine. The length of the drawing element is 100mm-150mm, the spacing between the drawing elements is 20mm-25mm, and the two ends of the drawing element are knotted and fixed.

5. The enhanced tensile and puncture-resistant flexible vibration isolation air cushion according to claim 1, characterized in that, The flexible steel wire layer includes multiple steel wire ropes, which are woven into a mesh structure with a mesh side length of 10mm-20mm. The surface of the flexible steel wire layer is coated with thermoplastic polyurethane elastomer.

6. The enhanced tensile and puncture-resistant flexible vibration isolation air cushion according to claim 1, characterized in that, The surface of the seamless base fabric layer is coated with a thermoplastic polyurethane elastomer coating; The seamless base fabric layer is made of woven fabric.

7. The enhanced tensile and puncture-resistant flexible vibration isolation air cushion according to claim 1, characterized in that, The fiber reinforcement layer is made of polyester fiber cloth, which is made by laying multiple pieces of polyester fiber cloth in a set angle and then using a double-sided synchronous coating hot pressing process. The surface of the fiber-reinforced layer is coated with a thermoplastic polyurethane elastomer coating.

8. The manufacturing process of the enhanced tensile and puncture-resistant flexible vibration isolation air cushion according to any one of claims 1-7, characterized in that, Includes the following: The seamless base fabric layer of the woven protective component is woven into the seamless base fabric layer of the protective component, and the drawing element is connected to the seamless base fabric layer in the main body on both sides of the protective component. A flexible steel wire layer is set on the surface of the seamless base fabric layer in the main body; A fiber reinforcement layer is provided on the surface of the flexible steel wire layer, and the fiber reinforcement layer and the flexible steel wire layer are formed by hot pressing. After the protective component is formed, sealing components are installed at the top and bottom of the protective component, and the sealing components are connected to the protective component.

9. The manufacturing process of an enhanced tensile-resistant and puncture-resistant flexible vibration-damping air cushion according to claim 8, characterized in that, The sealing component is connected to the protective component by welding. The sealing component includes a thermoplastic polyurethane elastomer substrate and a fiber reinforcement layer arranged sequentially from the inside to the outside. The thermoplastic polyurethane elastomer substrate and the fiber reinforcement layer are bonded by a coating hot pressing process.

10. The manufacturing process of an enhanced tensile-resistant and puncture-resistant flexible vibration-damping air cushion according to claim 9, characterized in that, The seamless base fabric layer is woven from woven fabric, and the surface of the seamless base fabric layer is coated with a thermoplastic polyurethane elastomer coating. The surface of the flexible steel wire layer is coated with a thermoplastic polyurethane elastomer, and the surface of the fiber reinforcement layer is coated with a thermoplastic polyurethane elastomer coating. The coating process for thermoplastic polyurethane elastomer coatings includes the following: The coating process of thermoplastic polyurethane elastomer is adopted by scraper coating or spraying process. The coating or spraying temperature is controlled between 100℃ and 135℃. After coating or spraying, it is sent to the drying device and dried at 80℃-100℃ for a set time.

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