Forming method of damage-free reusable air rib type membrane structure

Abstract

The invention discloses a forming method of a damage-free reusable air rib type membrane structure, and belongs to the technical field of building structures. The forming method comprises the following steps that a supporting module is arranged to serve as an auxiliary supporting piece, and the supporting module comprises one or more air-supported membrane structure units; the air-supported membrane structure unit is connected with the air inflation device and the bottom connecting device, the supporting module is inflated through the air inflation device, the supporting module is arranged below the air rib type membrane structure, and the supporting module is fixed through the bottom connecting device; and the supporting module, the inflating device and the bottom connecting device can be detached after being used, so that the supporting measure air-supported membrane structure unit can be reused. The air rib type membrane structure is supported by the mature air-supported membrane structure units of the inflation forming technology, a series of optimization designs are carried out on the size, arrangement and number of the air-supported membrane structure units, and the forming efficiency of the air rib type membrane structure is improved.

Description

Technical Field

[0001] The present invention relates to a forming method for a non-destructive and reusable air-ribbed membrane structure, belonging to the technical field of building structures. Background Art

[0002] Compared with traditional air-supported membrane structures, air-ribbed membrane structures can achieve functions such as ventilation through openings, local replacement of air ribs, and assembly and disassembly. Different from the low internal pressure of air-supported membrane structures (generally 300 - 500 Pa), the air ribs in air-ribbed membrane structures belong to high pressure (which can reach 5000 - 10000 Pa). When an air rib unit is damaged, it will cause an explosion, causing damage to people and objects around.

[0003] During the forming process of traditional large-span air-ribbed membrane structures, the inflation devices on both sides of the air rib unit are not sufficient to fully form the air rib. The traditional method is to provide support points by means of manual pushing tools, large mechanical lifting, etc. In addition, an air-ribbed membrane structure is assembled from independent air rib units. When a certain air rib unit needs to be inspected and repaired, the traditional method is to provide a platform by means of large mechanical equipment. The above methods have the following main problems: The use of manual pushing tools and large machinery increases the construction cost and does not conform to the construction principle of green environmental protection; it may cause damage such as puncturing, impact or extrusion to the air rib membrane material, and then cause the explosion of the high-pressure air rib unit. In addition, for large-span air rib units, direct inflation on both sides for forming will cause local bending, resulting in excessive local internal pressure and increasing the risk of explosion during the forming process. Summary of the Invention

[0004] The present invention aims to provide a forming method for a non-destructive and reusable air-ribbed membrane structure, specifically using an air-supported membrane structure unit as an auxiliary support to realize the forming of a non-destructive and reusable air-ribbed membrane structure. The present invention is applicable to the forming control, maintenance or inspection support of air-ribbed membrane structures with different spans.

[0005] Based on the auxiliary support measure of a non-destructive and reusable air-ribbed membrane structure using an air-supported membrane structure unit, the whole is composed of a support module, an inflation device and a bottom connection device. The support module composed of single or multiple air-supported membrane structure units provides a global or local auxiliary support platform for the forming, maintenance and inspection of the air-ribbed membrane structure through a series of optimized designs of the layout, number and inflation method of the air-supported membrane structure units. After the support function is completed, the support module, inflation device and bottom connection device can be detached and withdrawn, realizing the reusable auxiliary support measure. This technical solution is a measure that can be designed, non-destructive and reusable, applicable to large-span air-ribbed membrane structures, and has high rationality, economy, safety and environmental protection, and is convenient for popularization and use.

[0006] A forming method of a non-destructive and reusable air-ribbed membrane structure based on an air-supported membrane structure unit provided by the present invention includes the following steps: (1) Set up a support module as an auxiliary support. The support module includes a single or multiple air-supported membrane structure units; the air-supported membrane structure units are connected to an inflation device and a bottom connection device. The support module is inflated through the inflation device, and the support module is arranged under the air-ribbed membrane structure. The support module is fixed through the bottom connection device. Furthermore, there is no connection between the support module and the air-ribbed membrane structure. Relying on the lifting ability of the lower inflated membrane structure, the air-ribbed membrane structure is supported by the air-supported membrane structure. Through the inflation and expansion of the support module, auxiliary support is provided for the forming, maintenance, and detection of the air-ribbed membrane structure.

[0007] (2) The support module, inflation device, and bottom connection device can be detachably removed after use, realizing the reusable of the air-supported membrane structure unit of the support measure.

[0008] In the above-mentioned forming method of a non-destructive and reusable air-ribbed membrane structure based on an air-supported membrane structure unit, when the support module provides support for the forming of the air-ribbed membrane structure, first arrange the support module, inflation device, and bottom connection device, and then arrange the air-ribbed membrane structure above them; when the support module provides support for the maintenance and detection of the air-ribbed membrane structure, arrange the support module, inflation device, and bottom connection device under the already formed air-ribbed membrane structure.

[0009] The above forming method specifically includes the following steps: Step 1: Arrange each air-supported membrane structure unit according to the designed position. Step 2: Arrange the bottom connection device to fix the support module. Step 3: Connect the support module to the inflation device and inflate the support module according to the designed inflation method to complete the auxiliary support for the air-ribbed membrane structure. Step 4: Deflate the support module through the inflation device and remove the inflation device. Step 5: Disassemble the bottom connection device and remove the bottom connection device. Step 6: Remove the support module.

[0010] The above steps complete the whole process of the installation, disassembly, and use of the auxiliary support measure of the non-destructive and reusable air-ribbed membrane structure based on the air-supported membrane structure unit.

[0011] Furthermore, the shape of the air-supported membrane structure unit should be simple and symmetrical with a smooth surface, and the horizontal projection can be one of a capsule shape, a circular shape, an ellipse, or a rectangle.

[0012] Furthermore, the support module is arranged below the air ribbed membrane structure; Furthermore, the support module is inflated and deflated through an inflation device; Furthermore, the air-supported membrane structure unit has no door or window openings, and the bottom is made of thickened wear-resistant high-strength PVC or PVDF membrane material to resist the wear at the bottom during the installation and disassembly process; if local damage occurs, it can be repaired by heat-sealing welding, which has high maintainability and economy and extends the repeated service life.

[0013] Furthermore, the arrangement, number, and inflation method of the air-supported membrane structure unit correspond to the scenario and its scale size of the air ribbed membrane structure.

[0014] Furthermore, the height of the air-supported membrane structure unit after forming H 1 , the inner height of the air ribbed membrane structure after forming corresponding to the position of the air-supported membrane structure unit as the support point H 2 ≤ H 1 , the total length of the air-supported membrane structure unit after forming L 1 , the length of the air ribbed membrane structure after forming corresponding to the position of the air-supported membrane structure unit as the support point L 2 ≤ L 1 , ensuring that the support module composed of air-supported membrane structure units can provide effective support for the forming, maintenance, and detection of the air ribbed membrane structure, and realizing the repeated use of the support module in multi-scale air ribbed membrane structure projects.

[0015] Furthermore, the inflation device includes an air pump, an air duct, and a pressure sensor; an inflation valve and a deflation valve are provided on the air duct; the arrangement, number, and usage duration of the inflation device match the arrangement, number, and usage duration of the air-supported membrane structure unit. This design ensures the inflation device required for the forming of the air-supported membrane structure unit, and it is installed and disassembled together with the air-supported membrane structure unit.

[0016] Furthermore, the bottom connection device includes a reinforcement belt, a loop buckle, and a fixing member; one end of the reinforcement belt is fixed by heat-sealing welding at the lower side position of the air-supported membrane structure unit, and the other end of the reinforcement belt is connected to the loop buckle; the fixing member includes a detachable counterweight and a ground anchor, and the fixing member is connected to the loop buckle.

[0017] Advantages of the present invention: (1) The present invention uses the mature air-supported membrane structure unit in the inflatable forming technology to support the air-ribbed membrane structure, avoiding damage to the high-pressure air-ribbed membrane structure during the entire operation process, ensuring the safety of the construction environment and personnel; through the deflation and evacuation of the support module, it can be reused; through the hot welding method for repairing local damage of the air-supported membrane structure unit, it has high maintainability and economy; by using thickened, wear-resistant and high-strength PVC or PVDF membrane materials to make the bottom of the air-supported membrane structure unit, the wear resistance of the bottom of the air-supported membrane structure unit during the repeated installation and disassembly process is improved; through a series of optimized designs of the size, layout, and number of the air-supported membrane structure units, the auxiliary support requirements of different working conditions of the air-ribbed membrane structure are realized, improving the forming efficiency of the air-ribbed membrane structure and reducing the cost of the support platform required for maintenance and inspection during the use of the air-ribbed membrane structure.

[0018] (2) The support module of the present invention can be composed of a single or multiple air-supported membrane structure units. Through the design of the size, layout, number, and inflation method of the air-supported membrane structure units, it can provide auxiliary support for air-ribbed membrane structures with different scenarios, scales, spans, and shapes, which helps to promote the development of large-span air-ribbed membrane structures.

[0019] (3) Through the design of the support module, inflation device, and bottom connection device, the present invention realizes the assembled installation and disassembly of the auxiliary support measures, which has flexibility, mobility, and fast installation and disassembly, and realizes reusable. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of an auxiliary support module for an air-ribbed membrane structure based on an air-supported membrane structure unit without damage and reusable of the present invention.

[0021] Figure 2 It is a schematic diagram of the inflation device of the present invention.

[0022] Figure 3 It is a schematic diagram of the bottom connection device of the present invention (the fixing part is a counterweight).

[0023] Figure 4 It is a schematic diagram of the bottom connection device of the present invention (the fixing part is an anchor).

[0024] Figure 5 It is for using Figure 1 A schematic diagram of the auxiliary support effect of a non-damaging and reusable air-ribbed membrane structure formed by the support module.

[0025] Figure 6 It is a schematic diagram of the size of the air-supported membrane structure unit and the air-ribbed membrane structure it supports in Example 1.

[0026] Figure 7Schematic diagram of the auxiliary support effect of the non-destructive and reusable air-ribbed membrane structure provided for Embodiment 2.

[0027] Figure 8 Schematic diagram of the support module of the air-ribbed membrane structure of Embodiment 2.

[0028] Figure 9 Schematic diagram of the dimensions of the air-supported membrane structure unit of Embodiment 2 and the air-ribbed membrane structure it supports.

[0029] The serial numbers and names in the figure are: 1. Support module, 101. Air-supported membrane structure unit, 2. Inflation device, 201. Air pump, 202. Air duct, 203. Pressure sensor, 3. Bottom connection device, 301. Reinforcing belt, 302. Ring buckle, 303. Fixing part, 4. Air-ribbed membrane structure. Detailed implementation manners

[0030] The present invention will be further described below through embodiments, but is not limited to the following embodiments. Embodiment 1

[0031] The present invention has the following preferred implementation manners. A non-destructive and reusable air-ribbed membrane structure auxiliary support measure based on an air-supported membrane structure unit includes a support module 1, an inflation device 2, and a bottom connection device 3. The support module 1 is inflated through the inflation device 2. The support module 1 is arranged below the air-ribbed membrane structure 4. There is no connection between the support module 1 and the air-ribbed membrane structure 4. The support module 1 is connected to the ground through the bottom connection device 3. The support module 1, the inflation device 2, and the bottom connection device 3 can be detachably removed after use, realizing the reusable support measure; through the inflation and expansion of the support module, global or local auxiliary support is provided for the forming, maintenance, and detection of the air-ribbed membrane structure.

[0032] The support module 1 includes a single or multiple air-supported membrane structure units 101. The arrangement, number, and inflation method of the air-supported membrane structure units correspond to the scenario and scale size of the air-ribbed membrane structure.

[0033] The air-supported membrane structure unit 101 is made of membrane materials PVC or PVDF, without door and window openings, ensuring the airtightness of the air-supported membrane structure unit; if a local damage occurs to the air-supported membrane structure unit, it can be repaired by heat-sealing welding; the bottom of the air-supported membrane structure unit uses thickened, wear-resistant, and high-strength PVC or PVDF membrane materials.

[0034] Such as Figures 1 to 3The figure shows a schematic diagram of the support module in this embodiment. The number of air-supported membrane structure units is 1, and the fixing member is a counterweight. The middle part of the air-supported membrane structure unit is arched, and both ends are membrane structures with a smooth transition to an approximately semi-elliptical structure. A series of bottom connection devices 3 are evenly arranged on both sides of the arch of the air-supported membrane structure unit, and inflation devices 2 are respectively arranged on the other two sides of the air-supported membrane structure unit.

[0035] The inflation device 2 includes an air pump 201, an air duct 202, and a pressure sensor 203. An inflation valve and a deflation valve are provided on the air duct 202. The arrangement, number, and duration of the inflation device match those of the air-supported membrane structure unit.

[0036] The bottom connection device 3 includes a reinforcement belt 301, a buckle 302, and a fixing member 303. One end of the reinforcement belt 301 is fixedly welded to the lower side position of the air-supported membrane structure unit. The other end of the reinforcement belt is connected to the buckle. The bottom of the buckle 302 is connected to the fixing member 303. In this embodiment, the selected fixing member is a counterweight. One end of the fixing member is connected to the buckle, and the other end is connected to the ground.

[0037] As a preferred technical solution, in the bottom connection device, the fixing member can also be a ground anchor, as Figure 4 shown.

[0038] When the support module provides support for the formation of the air ribbed membrane structure, first arrange the support module, inflation device, and bottom connection device, and then arrange the air ribbed membrane structure above them. When the support module provides support for the maintenance and detection of the air ribbed membrane structure, arrange the support module, inflation device, and bottom connection device below the already formed air ribbed membrane structure.

[0039] Place the support module under the air ribbed membrane structure. Through the inflation and expansion of the support module, provide global or local auxiliary support for the formation, maintenance, and detection of the air ribbed membrane structure.

[0040] This embodiment provides a method for forming a non-destructive and reusable air ribbed membrane structure based on air-supported membrane structure units, which specifically includes the following steps: Step 1: Arrange each air-supported membrane structure unit 101 of the support module 1 according to the designed position. Step 2: Arrange the bottom connection device 3 to connect the support module 1 to the ground. Step 3: Connect the support module 1 to the inflation device 2 and inflate the support module 1 according to the designed inflation method to complete the auxiliary support function for the air ribbed membrane structure 4. Step 4: Deflate the support module 1 through the inflation device 2 and remove the inflation device 2. Step 5: Disassemble the bottom connection device 3 and remove the bottom connection device 3; Step 6: Remove the support module 1; The above steps complete the entire process of assembly, disassembly, and use of the air-ribbed membrane structure auxiliary support measure based on the air-supported membrane structure unit that is non-destructive and reusable.

[0041] The present invention will be further described below in conjunction with the accompanying drawings: As Figure 1 shown, the auxiliary support measure of the present invention includes a support module 1, an inflation device 2, and a bottom connection device 3. As Figure 2 shown, the inflation device 2 includes an air pump, an air duct, and a pressure sensor. The inflation device 2 is connected to the air-supported membrane structure unit 101. As Figure 3 shown, the bottom connection device 3 includes a reinforcement belt, a buckle, and a fixing member, and the fixing member is a counterweight. As Figure 5 shown, the support module 1 is composed of an air-supported membrane structure unit 101, and the air-supported membrane structure unit 101, the inflation device 2, and the bottom connection device 3 are arranged on the lower side of the air-ribbed membrane structure 4. As Figure 6 shown, the height H 1 and the total length L 1 of the air-supported membrane structure unit 101 after forming, and the inner height H 2 ≤ H 1 and the length L 2 ≤ L 1 of the air-ribbed membrane structure 4 corresponding to the position of the support point formed by the air-supported membrane structure unit 101, ensuring that the support module 1 composed of the air-supported membrane structure unit 101 can provide effective support for the support points of the air-ribbed membrane structure 4.

[0042] When the auxiliary support measure is used for the global forming control of the air-ribbed membrane structure, first arrange the support module 1, the inflation device 2, and the bottom connection device 3, and then arrange the air-ribbed membrane structure 4 above them. Design the inflation method of the support module 1 according to the forming control of the air-ribbed membrane structure 4 (observe the forming situation during the inflation process and control and adjust the inflation rate at any time). After completing the auxiliary support function, deflate the support module 1, and disassemble the inflation device 2, the bottom connection device 3, and the support module 1 in sequence.

[0043] When the auxiliary support measure is used for the global maintenance and inspection of the air-ribbed membrane structure, arrange the support module 1, the inflation device 2, and the bottom connection device 3 below the air-ribbed membrane structure 4. Design the inflation internal pressure of the support module 1 according to the stiffness required for the maintenance and inspection of the air-ribbed membrane structure 4. After completing the auxiliary support function, deflate the support module 1, and disassemble the inflation device 2, the bottom connection device 3, and the support module 1 in sequence. Embodiment 2

[0044] For example Figure 4 and Figures 7 to 9 , taking the horizontal projection of the air-supported membrane structure unit as a capsule shape and the fixing member as a ground anchor, and providing two local supports for the air-ribbed membrane structure (i.e., including 2 air-supported membrane structure units) as an example.

[0045] For example Figure 4 As shown, the bottom connection device 3 includes a reinforcing belt, a buckle, and a fixing member, and the fixing member is a ground anchor. As Figure 7 and 8 shown, the support module 1 is composed of two air-supported membrane structure units 101, and the air-supported membrane structure units 101, the inflation device 2, and the bottom connection device 3 are arranged on the lower side of the air-ribbed membrane structure 4. As Figure 9 shown, the height of the air-supported membrane structure unit 101 after inflation H 1 , and the inner height of the air-ribbed membrane structure 4 after forming corresponding to the position of the air-supported membrane structure unit 101 as the support point H 2 ≤ H 1 , providing two local auxiliary supports for the air-ribbed membrane structure 4.

[0046] When the auxiliary support measure is used for the local forming control of the air-ribbed membrane structure, first arrange the support module 1, the inflation device 2, and the bottom connection device 3 at the position where the air-ribbed membrane structure needs to provide support points, and then arrange the air-ribbed membrane structure 4 above it. Design the inflation method of the support module 1 according to the forming control of the air-ribbed membrane structure 4. After completing the auxiliary support function, deflate the support module 1, and disassemble the inflation device 2, the bottom connection device 3, and the support module 1 in sequence.

[0047] When the auxiliary support measure is used for the local maintenance and detection of the air-ribbed membrane structure, arrange the support module 1, the inflation device 2, and the bottom connection device 3 at the position below where the air-ribbed membrane structure needs to provide support points. Design the inflation internal pressure of the support module 1 according to the stiffness required for the maintenance and detection of the air-ribbed membrane structure 4. After completing the auxiliary support function, deflate the support module 1, and disassemble the inflation device 2, the bottom connection device 3, and the support module 1 in sequence.

[0048] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the present invention to only the specific embodiments. Obviously, according to the content of this specification, many modifications and changes can be made. These embodiments are selected and specifically described in this specification to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A method for forming a non-damaging and reusable air-ribbed membrane structure, characterized in that The following steps are involved: (1) A support module is provided as an auxiliary support member, wherein the support module includes a single or multiple air-supported membrane structure units; the air-supported membrane structure units are connected to an inflation device and a bottom connection device, and the support module is inflated by the inflation device, and the support module is arranged below the air-ribbed membrane structure, and the support module is fixed by the bottom connection device; (2) The support module, the inflation device and the bottom connection device can be disassembled and evacuated after use, so as to realize the reusability of the support measure air-supported membrane structure unit.

2. The method for forming a damage-free and reusable air-ribbed membrane structure according to claim 1, characterized in that: There is no mutual connection between the support module and the air-ribbed membrane structure. The air-ribbed membrane structure is supported by the air-supported membrane structure relying on the lifting capacity of the lower inflatable membrane structure. Through the inflation of the support module, auxiliary support is provided for the forming, maintenance and inspection of the air-ribbed membrane structure.

3. The method for forming a damage-free and reusable air-ribbed membrane structure according to claim 1, characterized in that: When the support module provides support for the forming of the air-ribbed membrane structure, the support module, the inflation device, and the bottom connecting device are arranged first, and then the air-ribbed membrane structure is arranged above them; when the support module provides support for the maintenance and inspection of the air-ribbed membrane structure, the support module, the inflation device, and the bottom connecting device are arranged below the formed air-ribbed membrane structure.

4. The method for forming a damage-free and reusable air-ribbed membrane structure according to claim 1, characterized in that: The specific steps include: Step 1: Arrange each air-supported membrane structure unit according to the designed position; Step 2: Arrange the bottom connection device to fix the support module; Step 3: Connect the support module to the inflation device, and inflate the support module according to the designed inflation method to complete the auxiliary support function of the air-ribbed membrane structure; Step 4: Deflate the support module through the inflation device and evacuate the inflation device; Step 5: Disassemble the bottom connection device and evacuate the bottom connection device; Step 6: Evacuate the support module.

5. The method for forming a damage-free and reusable air-ribbed membrane structure according to claim 4, characterized in that: The air-supported membrane structure unit has a simple, symmetrical shape and a smooth surface, and its horizontal projection is one of a capsule shape, a circle, an ellipse or a rectangle.

6. The method for forming a damage-free and reusable air-ribbed membrane structure according to claim 4, characterized in that: The air-supported membrane structure unit has no door or window openings, and the bottom is made of thickened, wear-resistant, high-strength PVC or PVDF membrane material to resist wear on the bottom during assembly and disassembly. If local damage occurs, it can be repaired by heat welding.

7. The method for forming a damage-free and reusable air-ribbed membrane structure according to claim 4, characterized in that: The height of the air-supported membrane structure unit after forming H 1. The inner height of the air-supported membrane structure unit as the supporting point corresponding to the air-ribbed membrane structure after forming H 2≤ H 1. The total length of the air-supported membrane structure unit after forming L 1. The length of the air-supported membrane structure unit as the supporting point corresponding to the air-ribbed membrane structure after forming L 2≤ L 1. Ensure that the support modules composed of air-supported membrane structure units can provide effective support for the forming, maintenance and inspection of air-ribbed membrane structures, and realize the reuse of support modules in multi-scale air-ribbed membrane structure projects.

8. The method for forming a damage-free and reusable air-ribbed membrane structure according to claim 4, characterized in that: The inflation device includes an air pump, an air supply pipe, and a pressure sensor; the air supply pipe is provided with an inflation valve and an air release valve; the arrangement, number, and service life of the inflation device match the arrangement, number, and service life of the air-supported membrane structure unit.

9. The method for forming a damage-free and reusable air-ribbed membrane structure according to claim 4, characterized in that: The bottom connecting device includes a reinforcing belt, a buckle and a fixing part; one end of the reinforcing belt is heat-sealed and welded to the lower side of the air-supported membrane structure unit, and the other end of the reinforcing belt is connected to the buckle; the fixing part is a counterweight or a ground anchor, and the fixing part is connected to the buckle.

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