Internal force self-monitoring large-span cantilever steel structure canopy without lower support

By installing tension rods and supports on the top of the canopy, combined with fiber optic grating sensor monitoring components, the aesthetic and stability issues of the cantilever canopy were resolved. This enabled the stable installation and internal force monitoring of large-span cantilever canopies, ensuring the long-term safety of the device.

CN224048546UActive Publication Date: 2026-03-27THE SECOND ENG CO LTD OF CHINA RAILWAYSEVENTH GRP PRC +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing cantilever canopy designs typically require lower supports, which affects usable space and aesthetics. Furthermore, they cannot automatically monitor internal forces, making it difficult to meet the requirements of large spans and wind loads, and they cannot predict safety conditions in advance.

Method used

The large-span cantilevered steel structure canopy with no lower support and self-monitoring of internal forces achieves real-time monitoring of the internal forces of the tension and compression rods by setting tension and compression rods and pillars at the top of the canopy, combined with fiber optic grating sensor monitoring components, thereby improving installation stability and aesthetics.

Benefits of technology

It enables the stable installation of large-span cantilevered canopies, meets clearance requirements, improves the aesthetics and stability of the installation, can promptly detect potential structural problems, provides high-precision monitoring data, and ensures long-term stable operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an internal force self-monitoring large span overhanging steel structure canopy without a lower support, and relates to the technical field of canopies, the canopy comprises a canopy assembly, the canopy assembly comprises a canopy body, a plurality of supporting columns are fixedly installed on one side of the canopy body, two pulling and pressing rods are arranged on one sides of the supporting columns, the pulling and pressing rods are arranged on the top of the canopy body, and the supporting columns are fixedly installed on the canopy body. An included angle is formed between the two pulling and pressing rods, a monitoring assembly is arranged at the top ends of the pulling and pressing rods, an installation assembly is fixedly installed on one side of the top end of the supporting column, the monitoring assembly comprises a fiber bragg grating, a sensor is fixedly installed at one end of the fiber bragg grating, and the sensor is fixedly installed at the tops of the pulling and pressing rods. The other end of the fiber bragg grating is fixedly connected with the mounting assembly; according to the large-span canopy, the clearance requirement of the lower portion of the canopy body can be met, stable installation of the large-span canopy is achieved, the internal force of the pulling and pressing rod can be monitored, the effect that potential structure problems of the device can be found in time can be achieved, and the large-span canopy has high practical value.
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Description

TECHNICAL FIELD

[0001] The utility model relates to canopy technical field, concretely is a kind of inner force self-monitoring large-span cantilever steel structure canopy without lower support. BACKGROUND

[0002] Canopy is a kind of structure installed on the entrance of building, above window or outdoor space, for shielding rain, snow or other weather phenomena (such as sunlight). It can provide protection, so that people are not wet when entering and exiting the building, and can also be used to protect doors, windows and other external facilities from adverse weather, hospital outpatient building canopy design requires beautiful, at the same time, there are higher requirements for the clearance of canopy lower part, large-span cantilever steel structure canopy is widely used due to its characteristics such as openness, beauty and large coverage area.

[0003] Based on the above, the present inventor found that there are the following problems: the current cantilever canopy design usually adopts the design with lower support to ensure the cantilever span of canopy, and the canopy design with bottom support often affects the space requirement and affects the beauty; with the increase of cantilever span of canopy, the stress of canopy becomes complex, not only the design use load needs to be considered, but also the adverse effect of wind load on canopy needs to be considered; in addition, with the increase of internal force, the conventional cantilever canopy design is difficult to meet the requirements of internal force and deformation due to the limitation of material strength itself, and the internal force of tension and compression rod cannot be automatically sensed, the safety condition of cantilever canopy cannot be predicted in advance, which is not convenient to use.

[0004] Therefore, in view of the above, the existing structure and defects are improved, and a large-span cantilever steel structure canopy without lower support is provided to achieve a more practical purpose. INVENTION CONTENTS

[0005] The utility model is aimed at providing a large-span cantilever steel structure canopy without lower support and self-monitoring internal force to solve the problems raised in the background.

[0006] A large-span cantilever steel structure canopy without lower support and self-monitoring internal force, comprising a canopy assembly, the canopy assembly comprises a canopy body, a plurality of support columns are fixedly installed on one side of the canopy body, two tension and compression rods are arranged on one side of the support column, the tension and compression rods are arranged at the top of the canopy body, and an included angle is arranged between the two tension and compression rods, a monitoring assembly is arranged at the top end of the tension and compression rod, an installation assembly is fixedly installed on one side of the top end of the support column, the monitoring assembly comprises a fiber Bragg grating, a sensor is fixedly installed at one end of the fiber Bragg grating, the sensor is fixedly installed at the top of the tension and compression rod, the other end of the fiber Bragg grating is fixedly connected with the installation assembly, and the sensor is a single-head type packaged sensor.

[0007] By adopting the technical scheme, the pull and pressure rods are arranged at the top of the shed body, the pull and pressure rods cooperate with the support posts to stably fix the shed body, a large-span overhanging rain shed is arranged, the clearance requirement of the lower part of the shed body is met, and the overall appearance of the structure is improved, the included angle is arranged between the two pull and pressure rods, the stress of the shed body under different direction loads is ensured, the installation stability is improved, the overhanging span can be greater than 8 meters, the sensor is fixedly installed at the top of the pull and pressure rod, the other end of the fiber bragg grating is fixedly connected with the installation assembly, the internal force of the pull and pressure rod is monitored by the monitoring assembly, potential structural problems of the device can be found in time, and the long-term stable operation of the device is ensured, the sensor is a single-head type packaging sensor, the installation convenience is improved, high-precision monitoring data can be provided, and the user can use the monitoring data to monitor the structural problems of the device.

[0008] Further, the installation assembly comprises an anchor plate, and a fixing pipe is fixedly installed at the middle of one side of the anchor plate.

[0009] By adopting the technical scheme, the fixing pipe is fixedly installed at the middle of one side of the anchor plate, and one end of the fiber bragg grating is fixed.

[0010] Further, a hole is formed in the middle of the fixing pipe, one end of the fiber bragg grating away from the sensor passes through the hole, and the other end of the fiber bragg grating passing through the hole is arranged outside the fixing pipe.

[0011] By adopting the technical scheme, one end of the fiber bragg grating is fixedly connected with the anchor plate by being arranged outside the fixing pipe.

[0012] Further, a rubber sleeve is arranged outside the fixing pipe, and one end of the fiber bragg grating away from the sensor is arranged between the rubber sleeve and the fixing pipe.

[0013] By adopting the technical scheme, the fixing of the fiber bragg grating and the anchor plate is further reinforced by the rubber sleeve, and the fiber bragg grating is protected.

[0014] Further, bolt holes are formed at four corners of the anchor plate, and fixing bolts are inserted into the bolt holes.

[0015] By adopting the technical scheme, the anchor plate is fixed by the fixing bolts inserted into the bolt holes.

[0016] Further, a gasket is arranged outside the fixing bolt, and the fixing bolt is fixedly connected with the support post.

[0017] By adopting the technical scheme, the installation assembly is fixedly connected with the rain shed assembly by the fixing bolt fixedly connected with the support post.

[0018] Further, the protection shell is arranged outside the sensor.

[0019] By adopting the above technical scheme, the protection shell is arranged outside the sensor, so that the sensor is fixed and protected by the protection shell.

[0020] Further, the pull-and-pressure rod is provided with a stand mounting element at one end, and the stand mounting element is fixedly connected with the support column.

[0021] By adopting the above technical scheme, the stand mounting element is fixedly connected with the support column, so that the pull-and-pressure rod is fixedly connected with the support column.

[0022] Further, the pull-and-pressure rod is provided with a canopy mounting element at the other end, and the canopy mounting element is fixedly connected with the top of the canopy body.

[0023] By adopting the above technical scheme, the canopy mounting element is fixedly connected with the top of the canopy body, so that the pull-and-pressure rod is fixedly connected with the canopy body.

[0024] Compared with the prior art, the pull-and-pressure rod is arranged at the top of the canopy body, so that the pull-and-pressure rod is fixed and stable with the support column to fix the canopy body, a large-span cantilever canopy is realized, the clearance requirement of the lower part of the canopy body is met, the overall appearance of the structure is improved, the included angle between the two pull-and-pressure rods is arranged, so that the stress of the canopy body under different direction loads is ensured, the stability of installation is improved, the cantilever span can be greater than 8 meters, the sensor is fixedly arranged at the top of the pull-and-pressure rod, the other end of the fiber grating is fixedly connected with the installation assembly, the internal force of the pull-and-pressure rod is monitored by the monitoring assembly, potential structural problems of the device are found in time, the long-term stable operation of the device is ensured, the single-head type packaging sensor is arranged, the convenience of installation is improved, high-precision monitoring data can be provided, and the user can use the monitoring data to monitor the structural problems of the device; the utility model can meet the clearance requirement of the lower part of the canopy body, realize stable installation of a large-span canopy, monitor the internal force of the pull-and-pressure rod, find potential structural problems of the device in time, and has high practical value. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a three-dimensional structure schematic view of the utility model of a large-span cantilever steel structure canopy without lower support and internal force self-monitoring;

[0026] Figure 2 It is a three-dimensional structure schematic view of the utility model of a large-span cantilever steel structure canopy without lower support and internal force self-monitoring; Figure 1 It is an enlarged view of the A structure;

[0027] Figure 3It is the installation schematic view of the monitoring assembly of the utility model.

[0028] Figure 4 It is the schematic view of the three-dimensional structure of the anchor plate of the utility model.

[0029] In the drawing: 1, canopy assembly; 11, support column; 12, canopy body; 13, tension-compression rod; 14, column mounting piece; 15, canopy mounting piece; 16, protective shell; 2, installation assembly; 21, anchor plate; 22, fixed tube; 23, hole; 24, bolt hole; 25, fixed bolt; 26, rubber sleeve; 3, monitoring assembly; 31, fiber grating; 32, sensor. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a lower support-free internal force self-monitoring large-span cantilever steel structure canopy, including canopy assembly 1, canopy assembly 1 includes canopy body 12, and canopy body 12 one side is fixedly installed with several support columns 11, and support column 11 one side is equipped with two tension-compression rods 13, and tension-compression rod 13 is set at the top of canopy body 12, and tension-compression rod 13 is set at the top of canopy body 12, it is convenient to tension-compression rod 13 cooperation support column 11 is fixed to the stable of canopy body 12, not only satisfy the clearance requirement of the lower part of canopy body 12, also increase the overall appearance of structure, and two tension-compression rods 13 are equipped with included angle between, it is convenient to guarantee the stress of canopy body 12 under different direction load, it is favorable to improve the stability of installation, realize that cantilever span can be greater than eight meters or more, and tension-compression rod 13 top end is equipped with monitoring assembly 3, and support column 11 top end one side is fixedly installed with installation assembly 2, and monitoring assembly 3 includes fiber grating 31, and fiber grating 31 one end is fixedly installed with sensor 32, and sensor 32 is fixedly installed at the top of tension-compression rod 13, and fiber grating 31 other end is fixedly connected with installation assembly 2, and through sensor 32 fixedly installed at the top of tension-compression rod 13, fiber grating 31 other end is fixedly connected with installation assembly 2, it is convenient to make monitoring assembly 3 monitor the internal force of tension-compression rod 13, realize the effect that potential structural problem of device can be discovered in time, provide strong guarantee for long-term stable operation of device, sensor 32 is single-head type encapsulation sensor, through sensor 32 is single-head type encapsulation sensor, it is convenient to improve the convenience of installation, and can provide high-precision monitoring data, and it is convenient for user to use monitoring data to monitor the structural problem of device.

[0032] The installation assembly 2 comprises an anchor plate 21, a fixed tube 22 is fixedly installed in the middle of one side of the anchor plate 21, and the fixed tube 22 is fixedly installed in the middle of one side of the anchor plate 21, so that one end of the fiber grating 31 is fixed.

[0033] The middle of the fixed tube 22 is provided with a hole 23, one end of the fiber grating 31 away from the sensor 32 passes through the hole 23, and the one end of the fiber grating 31 passing through the hole 23 is arranged outside the fixed tube 22, so that the one end of the fiber grating 31 is fixedly connected with the anchor plate 21.

[0034] The outer side of the fixed tube 22 is provided with a rubber sleeve 26, and the one end of the fiber grating 31 away from the sensor 32 is arranged between the rubber sleeve 26 and the fixed tube 22, so that the fixing of the fiber grating 31 and the anchor plate 21 is further reinforced, and the fiber grating 31 is protected.

[0035] The anchor plate 21 is provided with a bolt hole 24 at four corners, and a fixed bolt 25 is inserted into the bolt hole 24, so that the anchor plate 21 is fixed.

[0036] The outer side of the fixed bolt 25 is provided with a gasket, and the fixed bolt 25 is fixedly connected with the support column 11, so that the installation assembly 2 is fixedly connected with the canopy assembly 1.

[0037] The top of the tension and compression rod 13 is fixedly provided with a protection shell 16, and the protection shell 16 is arranged outside the sensor 32, so that the protection shell 16 fixes and protects the sensor 32.

[0038] One end of the tension and compression rod 13 is provided with a column mounting piece 14, and the column mounting piece 14 is fixedly connected with the support column 11, so that the tension and compression rod 13 is fixedly connected with the support column 11.

[0039] The other end of the tension and compression rod 13 is provided with a canopy mounting piece 15, and the canopy mounting piece 15 is fixedly connected with the top of the shed body 12, so that the tension and compression rod 13 is fixedly connected with the shed body 12.

[0040] Specifically, the working principle of the inner force self-monitoring large-span cantilever steel structure canopy without lower support is as follows: when in use, the tension-compression rods 13 are arranged at the top of the canopy body 12, so that the tension-compression rods 13 cooperate with the support columns 11 to stably fix the canopy body 12, which not only meets the clearance requirement of the lower part of the canopy body 12, but also increases the overall aesthetic property of the structure, the canopy body 12 is arranged at an included angle between the two tension-compression rods 13, so as to ensure the stress of the canopy body 12 under different direction loads, which is beneficial to improve the stability of installation, realizes that the cantilever span can be greater than eight meters, the tension-compression rods 13 are fixedly connected with the support columns 11 through the column mounting pieces 14, the tension-compression rods 13 are fixedly connected with the canopy body 12 through the canopy mounting pieces 15, the installation assembly 2 is fixedly connected with the canopy assembly 1 through the fixing bolts 25 and the support columns 11, one end of the fiber bragg grating 31 is fixedly connected with the anchor plate 21 by being wound outside the fixed tube 22 at one end of the hole 23, the fixation of the fiber bragg grating 31 and the anchor plate 21 is further reinforced through the arrangement of the rubber sleeve 26, and the fiber bragg grating 31 is protected, the protection shell 16 is arranged outside the sensor 32, the protection shell 16 is used for fixing and protecting the sensor 32, the sensor 32 is fixedly installed at the top of the tension-compression rod 13, the other end of the fiber bragg grating 31 is fixedly connected with the installation assembly 2, so that the monitoring assembly 3 can monitor the inner force of the tension-compression rod 13, the potential structural problem of the device can be found in time, and the long-term stable operation of the device is ensured, the sensor 32 is a single-head type encapsulated sensor, the convenience of installation is improved, high-precision monitoring data can be provided, and the user can use the monitoring data to monitor the structural problem of the device.

[0041] The preferred embodiments of the utility model are described above only, and are not used for limiting the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A large-span cantilevered steel structure canopy without lower support, which is self-monitored in internal force, characterized in that, The utility model provides a rain shed component (1), the rain shed component (1) includes shed body (12), a plurality of support (11) are fixedly installed to one side of shed body (12), two tension compression bars (13) are equipped to one side of support (11), tension compression bar (13) sets up at the top of shed body (12), and the included angle is equipped between two tension compression bars (13), monitoring assembly (3) is equipped to the top of tension compression bar (13), installation assembly (2) is fixedly installed to one side of the top of support (11), monitoring assembly (3) includes fiber grating (31), one end of fiber grating (31) is fixedly installed with sensor (32), sensor (32) is fixedly installed at the top of tension compression bar (13), the other end of fiber grating (31) is fixedly connected with installation assembly (2), sensor (32) is single -end type encapsulation sensor.

2. The self-monitoring inner force large-span cantilever steel structure canopy without lower support according to claim 1, characterized in that, The installation assembly (2) includes an anchor plate (21), and the anchor plate (21) is fixedly installed with a fixed tube (22) at the middle of one side.

3. The self-monitoring inner force large-span cantilever steel structure canopy without lower support according to claim 2, characterized in that, The fixed tube (22) is provided with a hole (23) in the middle, one end of the fiber grating (31) away from the sensor (32) passes through the hole (23), and the other end of the fiber grating (31) passing through the hole (23) is arranged outside the fixed tube (22).

4. The self-monitoring inner force large-span cantilever steel structure canopy without lower support according to claim 3, characterized in that, The fixed tube (22) is provided with a rubber sleeve (26) outside, and one end of the fiber grating (31) away from the sensor (32) is arranged between the rubber sleeve (26) and the fixed tube (22).

5. The self-monitoring internal force without lower support large-span cantilever steel structure canopy according to claim 2, characterized in that, The anchor plate (21) is provided with a bolt hole (24) at the corners, and the bolt hole (24) is provided with a fixed bolt (25) inside.

6. The self-monitoring internal force without lower support large-span cantilever steel structure canopy according to claim 5, characterized in that, The fixed bolt (25) is provided with a gasket outside, and the fixed bolt (25) is fixedly connected with the support (11).

7. The self-monitoring internal force large-span cantilevered steel structure canopy without lower support according to claim 1, characterized in that, The tension compression bar (13) is fixedly installed with a protective shell (16) at the top, and the protective shell (16) is arranged outside the sensor (32).

8. The self-monitoring inner force large-span cantilevered steel structure canopy without lower support according to claim 7, characterized in that, One end of the tension compression bar (13) is provided with a column mounting piece (14), and the column mounting piece (14) is fixedly connected with the support (11).

9. The self-monitoring inner force large-span cantilevered steel structure canopy without lower support according to claim 8, characterized in that, The other end of the tension compression bar (13) is provided with a rain shed mounting piece (15), and the rain shed mounting piece (15) is fixedly connected with the top of the shed body (12).