Tensioned metal net ceiling system and construction method thereof

Abstract

The present application relates to a metal net suspended ceiling system and construction technology field, specifically relates to a tensioning metal net suspended ceiling system and a construction method thereof, comprising two groups of arc keels, the inner side of the two groups of arc keels is fixed with a group of L-shaped plates, the top end of the two side L-shaped plates is provided with a plurality of groups of rollers, each group of rollers on the two sides is rotatably connected through a connecting rod, the middle part of the connecting rod is fixedly connected with the metal net through a connecting assembly, the end of the arc keel is fixed with a protruding block structure, and a groove is formed in the protruding block structure, an extension rod at the two ends of a jacking roller is embedded in the groove, and the T-shaped clamping structure of the lower hook block and the rotating drum can uniformly transmit the stress of the metal net to the connecting rod, so that local stress concentration caused by traditional single-point fixing is avoided; at the same time, the outer groove diameter of the middle part of the jacking roller is greater than the wall thickness of the top end of the upper hook block, so that the upper hook block can move with the metal net, direct friction between the upper hook block and the jacking roller is avoided, and the metal net weaving node and the surface coating are protected.

Description

Technical Field

[0001] This invention relates to the field of metal mesh ceiling systems and construction technology, specifically to tensioned metal mesh ceiling systems and their construction methods. Background Technology

[0002] In modern architectural decoration, curved tensioned metal mesh ceilings, with their smooth curves and excellent spatial transparency, have become a preferred decorative solution for commercial atriums, hotel lobbies, art galleries, and other venues. This type of ceiling relies on curved joists for surface support, and precise tensioning ensures the metal mesh adheres perfectly to the joists, guaranteeing both aesthetic appeal and structural stability. It must meet three core requirements: "surface adaptability," "uniform tension," and "ease of installation." However, current traditional structures and construction techniques for curved tensioned metal mesh ceilings have several drawbacks, making it difficult to balance aesthetic appeal and construction quality. These drawbacks are mainly reflected in the following aspects: 1. Traditional curved keel structures are mostly integrally welded, providing only fixed curved surface support. The connection between the metal mesh and the keel relies on simple hooks or straps for fixation. Due to the inherent rigidity of the metal mesh, it is prone to local "detachment" from the keel when tensioned on the curved surface—for example, the metal mesh at the top of the curved surface may be taut and drooping on both sides, or wrinkles may form due to uneven stress on the metal mesh, resulting in deformation of the curved ceiling shape. Second: During the tensioning of traditional curved ceiling systems, the ends of the metal mesh are directly fixed to the driving equipment with bolts. This concentrates the tensioning force at localized points along the mesh's edges, easily leading to loosening of the mesh weave nodes or breakage of longitudinal / transverse metal strips. Simultaneously, as the metal mesh slides on the curved keel surface, it rubs directly against the keel edges, causing wear on the mesh surface coating and reducing its rust resistance and lifespan. Furthermore, traditional systems lack auxiliary support structures; after tensioning, the metal mesh relies solely on its two ends for fixation. Over long-term use, it is susceptible to localized swaying due to airflow disturbances or slight vibrations, potentially even causing loosening of the connection between the keel and the base layer, posing a safety hazard. Summary of the Invention

[0003] Technical problems to be solved In view of the above-mentioned shortcomings of the existing technology, the present invention provides a tensioned metal mesh ceiling system and its construction method, which can effectively solve the problems in the existing technology.

[0004] Technical solution This invention provides a tensioned metal mesh ceiling system, comprising two sets of arc-shaped keels. Each set of arc-shaped keels has an L-shaped plate fixed to its inner side. Multiple sets of rollers are installed at the top of each L-shaped plate on both sides. Each set of rollers on both sides is rotatably connected by a connecting rod. The middle of each connecting rod is fixedly connected to the metal mesh via a connecting component. Each arc-shaped keel has a protrusion structure fixed at its end, with a groove within the protrusion structure. Extension rods at both ends of a top-supporting roller are embedded in the groove. The end of each arc-shaped keel is fixedly connected to an external base plate via a centrally located platform plate. The end of the metal mesh is fixedly connected to the connecting plate. The upper part is fixed with multiple sets of cylinders and auxiliary rods. The output end of the cylinder is fixedly connected to the hooking rod. The hooking part of the hooking rod is hooked and fixed with the round hole in the connecting plate. The outer side of the extension rod is fitted with a sleeve block. A spring is fixed between the outer side of the sleeve block and the groove. The connecting assembly includes an upper hook block that is interference-fitted and fixed to the connecting rod, a meshing cylinder fixed to the bottom of the upper hook block, a rotating cylinder that is meshed and fixed to the meshing cylinder, and a lower hook block that is fitted and fixed to the bottom of the rotating cylinder. The lower hook block is interference-fitted and fixed to the metal mesh. The metal mesh is woven from longitudinal metal strips and transverse metal strips, and the longitudinal metal strips and transverse metal strips are woven into a grid.

[0005] Furthermore, both ends of the connecting rod are fixedly sleeved to the middle of the roller through a bearing structure to achieve the function of rotational connection, and the metal mesh is set on the outer side of the arc-shaped keel.

[0006] Furthermore, the top support roller is provided with outer grooves at equal intervals in the middle, and the inner diameter of each set of outer grooves is greater than the top wall thickness of the upper hook block.

[0007] Furthermore, the auxiliary rod is movably inserted onto the platform plate via a tripod, and the top of the auxiliary rod is also fixed with a hook, which is hooked and fixed to the round hole on the connecting plate.

[0008] Furthermore, the bottom end of the meshing cylinder is provided with a threaded hole, the top end of the rotating cylinder is fixed with a threaded rod that meshes with and is fixed to the threaded hole, the bottom end of the rotating cylinder is integrally fixed with a bottom cylinder, the bottom end of the bottom cylinder is provided with a T-shaped cavity, and the top end of the lower hook block is also fixed with a T-shaped locking head, which is rotatably disposed in the cavity.

[0009] This invention also introduces a method for constructing a tensioned metal mesh ceiling, used to realize a tensioned metal mesh ceiling system. Step 1: Before construction, the ceiling design must be carried out to determine the size of the metal mesh and the length of the hanging rods; then, the debris at the ceiling installation location must be cleared to ensure that the construction area is clean and tidy. Step Two: According to the drawings, fix the curved keel to the specific positions of the base plate. Place the rollers and connecting rods on the L-shaped plate, and connect and fix the connecting rods and metal mesh using the connecting components. Connect the output end of the cylinder to the connecting plate using the hook rod. Step 3: Install tension sensors and displacement sensors at the key stress points of the metal mesh, mark the installation positions with color and numbers, attach reflective markers to the metal mesh surface at the positions corresponding to the displacement sensors, connect the circuits of each module, and connect the sensors to the external data acquisition unit, the data acquisition unit to the main controller, and the main controller to the cylinder drive unit through the corresponding cables. Step 4: Place the pre-treated metal mesh under the curved keel frame. First, connect one end of the metal mesh to the connecting component and the other end to the hook rod of the cylinder drive unit. Start the cylinder and control it to extend slowly at an initial low speed (preset initial speed, usually 5mm / s) to pull the metal mesh to a preliminary tension state (at this time, the tension value is about 30% of the target tension value). Stop the cylinder and adjust the position of the metal mesh to ensure that the metal mesh is flat and free of wrinkles or deviations.

[0010] Step 5: The operator inputs the preset tensioning parameters on the human-machine interface. After starting, the main controller sends a start signal to the cylinder, and the cylinder begins to tension at the initial speed. The monitoring sensor collects the tension and displacement values ​​of the metal mesh in real time. The data acquisition unit filters the collected signals and then feeds the data back to the main controller in real time through the signal transmission unit. Step Six: The main controller compares and analyzes the real-time data with the preset parameters; Step 7: Based on the comparative analysis results, determine the standard pulling force of the actual cylinder. Further, in step six, the comparative analysis steps are as follows: ① When the real-time tension value is less than 90% of the target tension value and the displacement value is within the allowable range, the controller sends a signal to control the pneumatic regulating valve in the cylinder to increase the air intake and increase the cylinder extension and retraction speed; ② When the real-time tension value is greater than or equal to 90% of the target tension value and less than the target tension value, and the displacement value is normal, the controller sends a signal to reduce the air intake and decrease the cylinder speed; ③ When the real-time tension value reaches the target tension value and the displacement value is within the allowable deviation range, the controller sends a signal to close the pneumatic regulating valve, the cylinder stops extending and retracting, and the tensioning operation in this direction is completed. During this process, if the displacement sensor detects that the metal mesh displacement value exceeds the allowable deviation range, the main controller immediately sends an alarm signal and displays a text reminder on the controller, while simultaneously controlling the cylinder to stop tensioning.

[0011] Furthermore, after tensioning is completed, special fasteners are used to firmly fix the edges of the metal mesh to the arc-shaped keel, with a fixing point spacing of ≤300mm. During the fixing process, the change in the tensile force of the metal mesh is monitored in real time. If the tensile force drops significantly due to the fixing operation, the cylinder needs to be activated to perform a small amount of supplementary tensioning to maintain the target tensile force.

[0012] Beneficial effects In this invention, by installing tension sensors and laser displacement sensors at key points of the metal mesh, the tension values ​​and displacement deformation at each point of the metal mesh can be collected in real time, ensuring that the tensioning status is monitored without omission or delay. Compared with traditional manual sensing, the monitoring accuracy is improved, effectively avoiding the problems of "over-tensioning" and "under-tensioning," and increasing the metal mesh tension compliance rate. The main controller dynamically adjusts the cylinder speed to ensure that the metal mesh is subjected to uniform force during tensioning, avoiding wrinkles and displacement caused by uneven local force, and meeting the appearance requirements of high-grade decorative projects. The tensioning control algorithm built into the main controller can automatically adjust the cylinder speed according to the real-time tension value. If the tension is lower than the target value, it accelerates; if it is close to the target value, it decelerates, eliminating the need for manual shutdown and adjustment, achieving "one-time tensioning." Compared with the traditional "stop and adjust" mode, construction time is shortened and overall construction efficiency is improved. When the displacement exceeds the tolerance or the sensor fails, the system can issue an alarm signal and pause tensioning. Workers can directly view the fault type through the human-machine interface, shortening the time for locating problems, significantly reducing the rework rate caused by faults, and reducing the cost of ineffective operations.

[0013] In this invention, the system utilizes a combined structure of "arc-shaped keel - L-shaped plate - roller - connecting rod" to fix the metal mesh to the connecting rod via a connecting assembly. The connecting rod rolls along the inner side of the arc-shaped keel with the roller, automatically adapting to the curved trajectory of the keel and preventing localized tension or sagging of the metal mesh. Simultaneously, the threaded engagement structure between the meshing cylinder and the rotating cylinder in the connecting assembly allows for fine-tuning of the distance between the upper and lower hook blocks, ensuring a tight fit between the metal mesh and the arc-shaped keel, meeting high aesthetic decoration requirements. The metal mesh is fixed by the interference fit of the lower hook block, and the T-shaped engagement structure between the lower hook block and the rotating cylinder ensures that the force on the metal mesh is evenly transmitted to the connecting rod, and then distributed to the arc-shaped keel by multiple sets of rollers, avoiding localized stress concentration caused by traditional single-point fixing. Furthermore, the inner diameter of the outer groove in the middle of the top support roller is larger than the wall thickness of the top of the upper hook block, allowing the upper hook block to move with the tension of the metal mesh, preventing direct friction between the upper hook block and the top support roller, and protecting the metal mesh weaving nodes and surface coating. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the structure of the roller and metal mesh in this invention; Figure 3 for Figure 1 Schematic diagram of the structure at point A; Figure 4 for Figure 2 Schematic diagram of the structure at point B; Figure 5 This is a cross-sectional view of the connecting component in this invention; Figure 6 This is a structural exploded view of the connecting component in this invention; Figure 7 This is a schematic diagram of the metal mesh structure in this invention; Figure 8 This is a diagram of the module connection structure in this invention.

[0016] The labels in the diagram represent: 1. Arc-shaped keel; 11. Trench; 2. L-shaped plate; 3. Roller; 31. Connecting rod; 4. Metal mesh; 41. Connecting plate; 42. Horizontal metal strip; 43. Vertical metal strip; 5. Connecting assembly; 51. Upper hook block; 52. Engaging cylinder; 521. Threaded hole; 53. Rotary cylinder; 531. Threaded rod; 54. Bottom cylinder; 55. Cavity; 56. Lower hook block; 561. Locking head; 6. Top support roller; 61. Extension rod; 62. Sleeve block; 63. Spring; 7. Base horizontal plate; 8. Cylinder; 81. Auxiliary rod; 82. Hooking rod. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0018] The present invention will be further described below with reference to embodiments.

[0019] Example: Tensioned metal mesh ceiling system, see attached diagram. Figure 1 -Appendix Figure 7 The system includes two sets of arc-shaped keels 1. An L-shaped plate 2 is fixed to the inner side of each set of arc-shaped keels 1. Multiple sets of rollers 3 are installed at the top of each L-shaped plate 2. Each set of rollers 3 is rotatably connected to the other side via a connecting rod 31. The middle of each connecting rod 31 is fixedly connected to a metal mesh 4 via a connecting assembly 5. A protrusion structure is fixed to the end of each arc-shaped keel 1, and a groove 11 is formed within the protrusion structure. Extension rods 61 at both ends of a top support roller 6 are embedded in the groove 11. The end of the arc-shaped keel 1 is fixedly connected to an external base plate 7 via a centrally located platform plate. The end of the metal mesh 4 is fixedly connected to a connecting plate 41. Multiple sets of cylinders 8 and auxiliary rods 81 are fixed to the platform plate. The output end is fixedly connected to the hook rod 82. The hooking part of the hook rod 82 is hooked and fixed to the round hole in the connecting plate 41. The outer side of the extension rod 61 is fitted with a sleeve block 62. A spring 63 is fixed between the outer side of the sleeve block 62 and the groove 11. The connecting assembly 5 includes an upper hook block 51 that is interference-fitted and fixed to the connecting rod 31, a meshing cylinder 52 that is fixed to the bottom of the upper hook block 51, a rotating cylinder 53 that is meshed and fixed to the meshing cylinder 52, and a lower hook block 56 that is fitted and fixed to the bottom of the rotating cylinder 53. The lower hook block 56 is interference-fitted and fixed to the metal mesh 4. The metal mesh 4 is woven from longitudinal metal strips 43 and transverse metal strips 42, and the longitudinal metal strips 43 and transverse metal strips 42 are woven into a grid. Both ends of the connecting rod 31 are fixedly sleeved with the middle of the roller 3 through the bearing structure to realize the function of rotational connection. The metal mesh 4 is set on the outside of the arc-shaped keel 1. The system uses the combination structure of "arc-shaped keel 1-L-shaped plate-roller 3-connecting rod 31" to fix the metal mesh 4 to the connecting rod 31 through the connecting component 5. The connecting rod 31 rolls along the inner side of the arc-shaped keel 1 with the roller 3, which can automatically adapt to the curved trajectory of the arc-shaped keel 1 and avoid the metal mesh 4 from being locally tight or sagging. Meanwhile, the threaded engagement structure of the meshing cylinder 52 and the rotating cylinder 53 in the connecting component 5 can finely adjust the distance between the upper hook block 51 and the lower hook block 56 (fine-adjustment range 0-5mm), ensuring that the metal mesh 4 and the arc-shaped keel 1 fit tightly together, meeting the requirements of high aesthetic decoration; the end of the arc-shaped keel 1 is fixed to the outer base plate 7 through the central platform plate. The platform plate can be finely adjusted in horizontal position through shims. If there is a horizontal deviation of 3-5mm in the base plate 7, the arc-shaped keel 1 can be accurately positioned without cutting the keel, avoiding the installation limitations of traditional rigid connections and reducing the accuracy requirements of base construction.

[0020] The top support roller 6 has equidistant outer grooves in the middle, and the inner diameter of each set of outer grooves is greater than the top wall thickness of the upper hook block 51. All components of the system are modularly designed - the arc-shaped keel 1 is pre-installed with L-shaped plates and rollers 3, and the metal mesh 4 is pre-fixed with the lower hook block 56. During construction, it is only necessary to press the upper hook block 51 of the connecting component 5 with the connecting rod 31, and the lower hook block 565 with the metal mesh 4. Then, the assembly is completed by threaded connection between the rotating drum 53 and the meshing drum 52.

[0021] Meanwhile, the hook rod 82 at the output end of cylinder 8 is directly hooked and fixed to the round hole of connecting plate 41 without the need for bolt tightening, saving 50% of the fixing time before tensioning; the system achieves "semi-automatic" adaptation through structural design - roller 3 automatically guides along the arc-shaped keel 1, and connecting component 5 finely adjusts the position of metal mesh 4. Construction personnel do not need to rely on experience to correct the arc and tension, which greatly reduces labor costs and skill thresholds and can meet the needs of large-scale standardized construction.

[0022] The auxiliary rod 81 is movably inserted onto the platform plate via a tripod, and the top of the auxiliary rod 81 is also fixed with a hook part, which is hooked and fixed with the round hole on the connecting plate 41.

[0023] The rotating drum 53 of the connecting component 5 is connected to the meshing drum 52 by a thread, and the tension of the metal mesh 4 can be adjusted by rotating the rotating drum 53; the spring 63 between the extension rod 61 of the top support roller 6 and the sleeve block 62 and the groove 11 is a detachable structure, so if the top support component needs to be replaced or the buffer force needs to be adjusted, there is no need to remove the arc-shaped keel 1; the metal mesh 4 is snapped into the connecting component 5 by the lower hook block 56, so when the metal mesh 4 is damaged in part, only the corresponding connecting component 5 needs to be removed for replacement, avoiding the problem of traditional large-area removal and reducing maintenance time by 70%; the spring 63 buffer structure of the top support roller 6 can reduce the frictional wear between the metal mesh 4 and the keel, avoiding the wear of components caused by traditional rigid contact; at the same time, the tripod movable structure of the auxiliary rod 81 can adapt to the small deformation of the metal mesh 44, reducing the stress accumulation during long-term use.

[0024] The bottom end of the meshing cylinder 52 is provided with a threaded hole 521, and the top end of the rotating cylinder 53 is fixed with a threaded rod 531 that meshes with the threaded hole 521. The bottom end of the rotating cylinder 53 is integrally fixed with a bottom cylinder 54, and the bottom end of the bottom cylinder 54 is provided with a T-shaped cavity 55. The top end of the lower hook block 56 is also fixed with a T-shaped locking head 561, which is rotatably set in the cavity 55. The metal mesh 4 is fixed by the lower hook block 56 through interference fit. The T-shaped locking structure between the lower hook block 56 and the rotating cylinder 53 can make the force of the metal mesh 4 evenly transmitted to the connecting rod 31, and then distributed to the arc-shaped keel 1 through multiple sets of rollers 3, avoiding the local stress concentration caused by traditional single-point fixing. At the same time, the inner diameter of the outer groove in the middle of the top support roller 6 is larger than the wall thickness of the top of the upper hook block 51, which can accommodate the upper hook block 51 along with the metal mesh 4. The tensioning and movement of the metal mesh 4 prevents direct friction between the upper hook block 51 and the top support roller 6, protecting the weaving nodes and surface coating of the metal mesh 4. The system is equipped with a double tensioning and fixing structure of "cylinder 8 + auxiliary rod 81". The auxiliary rod 81 is connected to the platform plate through a tripod, and its top hook part cooperates with the round hole of the connecting plate 41. It can share the tension of the metal mesh 4 with the cylinder 8, avoiding the lateral displacement of the metal mesh 4 caused by the single cylinder 8 driving. At the same time, the top support roller 6 is fixed in the groove 11 of the arc-shaped keel 1 through the extension rod 61, the sleeve block 62 and the spring 63. The spring 63 can provide elastic support for the top support roller 6. When the metal mesh 4 is affected by airflow or vibration, the deformation of the spring 63 absorbs the impact force, reduces the swaying of the ceiling, and improves the structural stability by more than 60%.

[0025] Example 2: Figure 8 As shown, a method for constructing a tensioned metal mesh ceiling is used in the tensioned metal mesh ceiling system of Example 1. Step 1: Before construction, the ceiling design must be carried out to determine the size of the metal mesh and the length of the hanging rods; then, the debris at the ceiling installation location must be cleared to ensure that the construction area is clean and tidy. Step Two: According to the drawings, fix the curved keel to the specific positions of the base plate. Place the rollers and connecting rods on the L-shaped plate, and connect and fix the connecting rods and metal mesh using the connecting components. Connect the output end of the cylinder to the connecting plate using the hook rod. Step 3: Install tension sensors and displacement sensors at the key stress points of the metal mesh, mark the installation positions with color and numbers, attach reflective markers to the metal mesh surface at the positions corresponding to the displacement sensors, connect the circuits of each module, and connect the sensors to the external data acquisition unit, the data acquisition unit to the main controller, and the main controller to the cylinder drive unit through the corresponding cables. Step 4: Place the pre-treated metal mesh under the curved keel frame. First, connect one end of the metal mesh to the connecting component and the other end to the hook rod of the cylinder drive unit. Start the cylinder and control it to slowly extend at an initial low speed (preset initial speed, 5mm / s) to pull the metal mesh to a preliminary tension state (at this time, the tension value is set to 30% of the target tension value). Stop the cylinder and adjust the position of the metal mesh to ensure that the metal mesh is flat and free of wrinkles or deviations.

[0026] Step 5: The operator inputs the preset tensioning parameters (displacement deviation ±2mm) into the human-machine interface. After starting, the main controller sends a start signal to the cylinder, and the cylinder begins tensioning at the initial speed. The monitoring sensor collects the tension and displacement values ​​of the metal mesh in real time. The data acquisition unit filters the collected signals and then feeds the data back to the main controller in real time through the signal transmission unit. Step Six: The main controller compares and analyzes the real-time data with the preset parameters; Step 7: Determine the standard pulling force of the actual cylinder based on the comparison and analysis results.

[0027] In step six, the comparative analysis steps are as follows: ① When the real-time tension value is less than 90% of the target tension value and the displacement value is within the allowable range, the controller sends a signal to control the pneumatic regulating valve in the cylinder to increase the air intake and increase the cylinder extension and retraction speed; ② When the real-time tension value is greater than or equal to 90% of the target tension value and less than the target tension value, and the displacement value is normal, the controller sends a signal to reduce the air intake and decrease the cylinder speed; ③ When the real-time tension value reaches the target tension value and the displacement value is within the allowable deviation range, the controller sends a signal to close the pneumatic regulating valve, the cylinder stops extending and retracting, and the tensioning operation in this direction is completed. During this process, if the displacement sensor detects that the metal mesh displacement value exceeds the allowable deviation range, the main controller immediately sends an alarm signal and displays a text reminder on the controller, while simultaneously controlling the cylinder to stop tensioning.

[0028] By installing tension sensors (accuracy ±0.5%FS) and laser displacement sensors (resolution 0.01mm) at key points of the metal mesh, the tension values ​​and displacement deformation at each point can be collected in real time. The data acquisition frequency reaches 100Hz, ensuring that the tensioning status is monitored without omission or delay. Compared with traditional manual sensing, the monitoring accuracy is improved by at least 10 times, effectively avoiding the problems of "over-tensioning" and "under-tensioning". The main controller dynamically adjusts the cylinder speed to ensure that the metal mesh is subjected to uniform force during the tensioning process, avoiding wrinkles and displacement caused by uneven local force. After construction, the surface flatness error of the metal mesh is ≤2mm when checked with a 2m straightedge, meeting the stringent appearance requirements of high-grade decorative projects.

[0029] After tensioning is completed, the edges of the metal mesh are firmly fixed to the curved keel using special fasteners with a fixing point spacing of ≤300mm. During the fixing process, the change in the tensile force of the metal mesh is monitored in real time. If the tensile force drops significantly due to the fixing operation, the cylinder needs to be activated to perform a small amount of additional tensioning to maintain the target tensile force.

[0030] The tension control algorithm built into the main controller can automatically adjust the cylinder speed according to the real-time tension value. For example, it accelerates when the tension is lower than 90% of the target value (e.g., 10mm / s) and decelerates when it approaches the target value (e.g., 2mm / s), eliminating the need for manual shutdown and adjustment, thus achieving "one-time tensioning to the correct position". Compared with the traditional "stop-and-adjust" mode, this reduces construction interruption time, shortens the tensioning time for a single span of metal mesh, and improves overall construction efficiency. When displacement exceeds tolerance or sensor malfunctions, the system can issue an alarm signal and pause tensioning within 10ms. Staff can directly view the fault type through the human-machine interface, including but not limited to "displacement exceeding tolerance" and "sensor disconnection".

[0031] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. A tensioned metal mesh ceiling system, characterized in that, It includes two sets of arc-shaped keels (1), and an L-shaped plate (2) is fixed on the inner side of each set of arc-shaped keels (1). Multiple sets of rollers (3) are provided at the top of each L-shaped plate (2) on both sides. Each set of rollers (3) on both sides is rotatably connected by a connecting rod (31). The middle part of the connecting rod (31) is fixedly connected to the metal mesh (4) by a connecting component (5). The ends of the arc-shaped keels (1) are fixed with protrusion structures, and grooves (11) are opened in the protrusion structures. Extension rods (61) located at both ends of the top support roller (6) are embedded in the grooves (11). The end of the arc-shaped keel (1) is fixedly connected to the outer base plate (7) through the central platform plate. The end of the metal mesh (4) is fixedly connected to the connecting plate (41). Multiple sets of cylinders (8) and auxiliary rods (81) are fixed on the platform plate. The output end of the cylinder (8) is fixedly connected to the hooking rod (82). The hooking part of the hooking rod (82) is hooked and fixed with the round hole in the connecting plate (41). The outer side of the extension rod (61) is fitted with a sleeve block (62). A spring (63) is fixed between the outer side of the sleeve block (62) and the groove (11). The connecting assembly (5) includes an upper hook block (51) that is interference-fitted and fixed to the connecting rod (31), a meshing cylinder (52) fixed to the bottom of the upper hook block (51), a rotating cylinder (53) that is meshed and fixed to the meshing cylinder (52), and a lower hook block (56) that is fitted and fixed to the bottom of the rotating cylinder (53). The lower hook block (56) is interference-fitted and fixed to the metal mesh (4). The metal mesh (4) is woven from longitudinal metal strips (43) and transverse metal strips (42), and the longitudinal metal strips (43) and transverse metal strips (42) are woven into a grid. The top support roller (6) has outer grooves equidistantly spaced in the middle, and the inner diameter of each set of outer grooves is greater than the top wall thickness of the hook block (51). The auxiliary rod (81) is movably inserted onto the platform plate via a tripod, and the top of the auxiliary rod (81) is also fixed with a hook part, which is hooked and fixed with the round hole on the connecting plate (41). The bottom end of the meshing cylinder (52) is provided with a threaded hole (521), and the top end of the rotating cylinder (53) is fixed with a threaded rod (531) that meshes and is fixed with the threaded hole (521). The bottom end of the rotating cylinder (53) is integrally fixed with a bottom cylinder (54), and the bottom end of the bottom cylinder (54) is provided with a T-shaped cavity (55). The top end of the lower hook block (56) is also fixed with a T-shaped locking head (561), and the locking head (561) is rotatably disposed in the cavity (55).

2. The tensioned metal mesh ceiling system according to claim 1, characterized in that, Both ends of the connecting rod (31) are fixedly sleeved with the middle of the roller (3) through the bearing structure to realize the function of rotational connection. The metal mesh (4) is set on the outside of the arc-shaped keel (1).

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