Canopy outer hanging eaves gutter connecting device and construction method thereof

Abstract

The embodiment of the application provides a rain shed outer hanging gutter connecting device and a construction method thereof, which comprises a rain shed body, a gutter body and a bracket keel; the bottom of the bracket keel is connected to the lower part of the rain shed body; the rain shed body comprises a main keel, a secondary keel and a purlin, the main keel is connected to the upper part of the secondary keel in parallel through the purlin; the bracket keel is in a stepped shape, the stepped plane of the bracket keel overlaps with the extension direction of the secondary keel; the space formed among the main keel, the purlin, the secondary keel and the bracket keel is a first space, the gutter body is arranged in the first space and connected with the purlin and the bracket keel. In the embodiment, after the bracket keel is connected and fixed with the rain shed body, the gutter body is arranged in the first space formed between the bracket keel and the rain shed body, and the gutter body is connected and fixed with the rain shed body and the bracket keel respectively, so that the stability of the connection between the gutter body and the rain shed body and the accuracy of the drainage slope are improved.

Description

Technical Field

[0001] This invention relates to the field of building construction technology, and in particular to a canopy external eaves gutter connection device and its construction method. Background Technology

[0002] As an important component of building structures, the drainage design and construction quality of canopies directly affect the safety and durability of buildings. Among them, external eaves gutters, a common canopy drainage component, are mainly used to collect rainwater from the roof and guide it in an orderly manner, preventing rainwater from directly washing over walls or the ground, thereby effectively reducing the risk of rainwater erosion to the building structure and the surrounding environment.

[0003] Currently, during the construction of external eaves gutters for canopies, traditional methods such as angle steel welding or bolt connections are commonly used to fix the gutters to the canopy structure. However, these existing connection methods generally have certain limitations in practical applications. For example, if the welding deforms or the connectors loosen, it can easily lead to insufficient fit between the gutters and the canopy, meaning the stability of the connection between the two cannot meet actual requirements. Furthermore, due to the lack of a stable connection or effective support between the gutters and the canopy, they are susceptible to displacement or subsidence under wind loads or vibrations during use. This can disrupt the originally designed drainage slope, reduce drainage efficiency, and in severe cases, even cause safety hazards such as water accumulation, overflow, or gutter detachment. Summary of the Invention

[0004] This invention provides a connecting device for external eaves gutters of a canopy and its construction method, aiming to solve the problem of insufficient drainage slope accuracy caused by the insufficient stability of the connection between the eaves gutters and the canopy structure.

[0005] In a first aspect, embodiments of the present invention provide an external eaves gutter connection device for a rain shelter, comprising a rain shelter body, an eaves gutter body, and a bracket keel; the bottom of the bracket keel is connected to the lower part of the rain shelter body; the rain shelter body includes a main keel, a secondary keel, and a purlin, the main keel being connected parallel to the upper part of the secondary keel via the purlin; the bracket keel is stepped, and the stepped plane of the bracket keel overlaps with the extending direction of the secondary keel; the space formed between the main keel, the purlin, the secondary keel, and the bracket keel is a first space, the eaves gutter body is disposed in the first space, and it is connected to the purlin and the bracket keel.

[0006] In some embodiments, the secondary keel includes a first keel and a second keel; the first keel is connected in parallel to the second keel and is located between the main keel and the second keel; the first keel is connected to the lower part of the main keel through the purlin; the step plane of the bracket keel overlaps with the extension direction of the first keel.

[0007] In some embodiments, the canopy body further includes diagonal bracing keels and steel beams; the diagonal bracing keels are located between the main keel and the first keel, with their bottom connected to the end face of the first keel facing the main keel, and their sidewalls connected to the middle of the purlin; the top of the steel beam is connected to the end face of the first keel facing away from the main keel, its bottom is connected to the second keel, and its middle part is connected to the bottom of the bracket keel.

[0008] In some embodiments, the bracket keel includes a first vertical portion, a second vertical portion, and a horizontal portion; the first vertical portion and the second vertical portion are respectively vertically connected to opposite end faces of the horizontal portion, wherein the first vertical portion is connected to the end face of the horizontal portion facing the main keel, and the second vertical portion is connected to the end face of the horizontal portion facing away from the main keel; the plane on which the horizontal portion is located is the stepped plane of the bracket keel; the first vertical portion and the horizontal portion are connected to the eaves gutter body, and the second vertical portion is connected to the middle portion of the steel beam.

[0009] In some embodiments, a connecting component is further included; the gutter body is connected to the purlin via the connecting component; the connecting component includes a tie rod and a first connector, the gutter body is connected to the purlin via the first connector, and the first connector is connected to the top of the gutter body.

[0010] In some embodiments, the eaves gutter body includes a first steel plate, a second steel plate, and a third steel plate; the first steel plate and the third steel plate are respectively vertically connected to opposite ends of the end face of the second steel plate facing the main keel; the first steel plate is connected to the purlin through the first connector; the second steel plate is connected to the step plane of the secondary keel and the bracket keel; the third steel plate is connected to the bracket keel; the two ends of the tie rod are respectively connected to the first steel plate and the third steel plate.

[0011] In some embodiments, a support component is also included; the support component is connected to the end face of the bracket keel facing away from the canopy body.

[0012] In some embodiments, the support component includes a color steel plate outer casing and a second connector; the color steel plate outer casing is connected to the end face of the bracket keel facing away from the canopy body via the second connector.

[0013] In some embodiments, a drainage pipe is also included; a first drainage outlet is provided at the bottom of the eaves gutter body, and a second drainage outlet is provided on the stepped plane of the bracket keel. The first drainage outlet and the second drainage outlet are aligned to form a drainage channel, and the top of the drainage pipe is adapted to the drainage channel.

[0014] Secondly, embodiments of the present invention also provide a construction method for a canopy external eaves gutter connection device, which is applied to the canopy external eaves gutter connection device in any of the foregoing embodiments, the method comprising:

[0015] Hoist the bracket keel, adjust its position so that the step plane of the bracket keel overlaps with the extension direction of the secondary keel of the canopy body, and fix the bottom of the bracket keel to the lower part of the canopy body.

[0016] The first space formed between the canopy body and the bracket keel is measured to obtain measurement data. Based on the measurement data, the eaves gutter material is processed to form the eaves gutter body.

[0017] The eaves gutter body is hoisted into the first space, and the contact surfaces of the eaves gutter body, canopy body, and bracket keel are connected and fixed.

[0018] The fixed position of the eaves gutter body is calibrated according to the drainage slope requirements, and the stability and drainage performance of each connection part of the eaves gutter body, the canopy body and the bracket keel are tested.

[0019] This invention provides a canopy external eaves gutter connection device and its construction method, comprising a canopy body, an eaves gutter body, and a bracket keel; the bottom of the bracket keel is connected to the lower part of the canopy body; the canopy body includes a main keel, a secondary keel, and purlins, the main keel being connected parallel to the upper part of the secondary keel through the purlins; the bracket keel is stepped, and the stepped plane of the bracket keel overlaps with the extending direction of the secondary keel; the space formed between the main keel, the purlins, the secondary keel, and the bracket keel is a first space, the eaves gutter body is disposed in the first space, and it is connected to the purlins and the bracket keel. In this embodiment, after the bracket keel is connected and fixed to the canopy body, the eaves gutter body is placed in the first space formed between the bracket keel and the canopy body, and the eaves gutter body is connected and fixed to both the canopy body and the bracket keel, improving the stability of the connection between the eaves gutter body and the canopy body and the accuracy of the drainage slope. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the structure of the canopy external eaves gutter connection device provided in an embodiment of the present invention;

[0022] Figure 2This is a schematic diagram of the structure of the eaves gutter body and the bracket keel in the canopy external eaves gutter connection device provided in an embodiment of the present invention;

[0023] Figure 3 A schematic flowchart illustrating the construction method of the external eaves gutter connection device for the awning provided in this embodiment of the invention.

[0024] The attached icons are numbered as follows:

[0025] 100. Canopy body; 110. Main keel; 120. Secondary keel; 121. First keel; 122. Second keel; 130. Purlin; 140. Diagonal bracing keel; 150. Steel beam; 200. Eaves gutter body; 210. First steel plate; 220. Second steel plate; 230. Third steel plate; 300. Bracket keel; 310. First vertical part; 320. Second vertical part; 330. Horizontal part; 400. Connecting assembly; 410. Tie rod; 420. First connector; 500. Support assembly; 510. Color steel plate outer casing; 520. Second connector; 600. Drainage pipe. Detailed Implementation

[0026] 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. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] It should be understood that, when used in this specification and the appended claims, the terms "comprising" and "including" indicate the presence of the described features, integrals, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components and / or collections thereof.

[0028] It should also be understood that the terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the invention. As used in this specification and the appended claims, the singular forms “a,” “an,” and “the” are intended to include the plural forms unless the context clearly indicates otherwise.

[0029] It should also be further understood that the term "and / or" as used in this specification and the appended claims refers to any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.

[0030] Please see Figures 1 to 3 , Figure 1 This is a schematic diagram of the structure of the canopy external eaves gutter connection device provided in an embodiment of the present invention; Figure 2 This is a schematic diagram of the structure of the eaves gutter body and the bracket keel in the canopy external eaves gutter connection device provided in an embodiment of the present invention; Figure 3 A schematic flowchart illustrating the construction method of the external eaves gutter connection device for the awning provided in this embodiment of the invention.

[0031] See again Figures 1 to 2 The rain canopy external eaves gutter connection device provided in this embodiment of the invention includes a rain canopy body 100, an eaves gutter body 200, and a bracket keel 300; the bottom of the bracket keel 300 is connected to the lower part of the rain canopy body 100; the rain canopy body 100 includes a main keel 110, a secondary keel 120, and a purlin 130, the main keel 110 being connected in parallel above the secondary keel 120 through the purlin 130; the bracket keel 300 is stepped, and the stepped plane of the bracket keel 300 overlaps with the extending direction of the secondary keel 120; the space formed between the main keel 110, the purlin 130, the secondary keel 120, and the bracket keel 300 is a first space, the eaves gutter body 200 is disposed in the first space, and it is connected to the purlin 130 and the bracket keel 300.

[0032] In this embodiment, unlike the traditional method of directly fixing the eaves gutter to the canopy with rivets, this embodiment initially fixes the stepped bracket keel 300 to the lower part of the canopy body 100. Then, the installation position of the bracket keel 300 is adjusted so that the stepped plane of the bracket keel 300 is flush with or overlaps with the extension direction of the secondary keel 120 of the canopy body 100. Based on the structural characteristics between the canopy body 100 and the stepped bracket keel 300, a first space is formed for installing the eaves gutter body 200. Finally, the eaves gutter body 200 is prefabricated according to the length and height of the first space, and the prefabricated eaves gutter body 200 is placed in the first space. The contact surfaces of the eaves gutter body 200 with the canopy body 100 and the bracket keel 300 are then connected and fixed. Based on the above, a stable connection between the eaves gutter body 200 and the canopy body 100 can be achieved, and the problem of inaccurate drainage slope caused by loose connection between the two can be avoided.

[0033] Specifically, the canopy body 100 consists of a main keel 110, a secondary keel 120, and purlins 130. The purlins 130 are approximately "Z"-shaped, with their tops connected and fixed to the main keel 110 and their bottoms connected and fixed to the secondary keel 120. That is, the main keel 110 is connected parallel to the upper part of the secondary keel 120 via the purlins 130. The bracket keel 300 is stepped, or approximately "N"-shaped, with its middle section parallel to the horizontal plane, its top perpendicular to the right end of the middle section, and its bottom perpendicular to the left end of the middle section. Therefore, the bracket keel 300 as a whole is stepped. The bottom of the bracket keel 300 is connected to the secondary keel 120 of the canopy body 100 (i.e., the bottom of the canopy body 100). The step plane of the bracket keel 300 is flush with or overlaps with the extension direction of the secondary keel 120 of the canopy body 100. Thus, an installation space is formed between the main keel 110, purlin 130, secondary keel 120, and bracket keel 300. This installation space is the first space, used to install the eaves gutter body 200. The eaves gutter body 200 is placed in this installation space (i.e., the first space), and the contact surfaces of the eaves gutter body 200 with the canopy body 100 and the bracket keel 300 are connected and fixed. Because the eaves gutter body 200 is fixed to the canopy body 100 in one layer, and is fixed to the bracket keel 300 in two layers, and is fixed to the canopy in three layers, the eaves gutter body 200 is fixed to the canopy body 100 in a triple-fixing manner. This greatly strengthens the connection between the eaves gutter body 200 and the canopy body 100 and improves the connection stability between them.

[0034] It should be noted that this application does not limit the installation order of the canopy body 100, the eaves gutter body 200, and the bracket keel 300. The installation order of the canopy body 100, the eaves gutter body 200, and the bracket keel 300 can be selected according to actual construction needs.

[0035] In one embodiment, such as Figure 1 As shown, the secondary keel 120 includes a first keel 121 and a second keel 122; the first keel 121 is connected in parallel to the second keel 122, and the first keel 121 is located between the main keel 110 and the second keel 122; the first keel 121 is connected to the lower part of the main keel 110 through the purlin 130; the stepped plane of the bracket keel 300 overlaps with the extending direction of the first keel 121.

[0036] In this embodiment, the first keel 121 and the second keel 122 can be made of hot-dip galvanized steel (e.g., Q235B), which has moderate yield strength and good rust and corrosion resistance, effectively extending the service life of the canopy and adapting to different climatic environments. The main keel 110 can be made of low-alloy high-strength structural steel (e.g., Q345B), which has high strength and can withstand greater loads, providing a stable support frame for the canopy. The bracket keel 300 can be made of steel with the same or similar strength as the main keel 110 (e.g., Q345B steel), ensuring that it has sufficient load-bearing capacity and stability to support the eaves gutter body 200 and any additional loads it may bear, while forming a coordinated force-bearing system with the main keel 110 and the secondary keel 120.

[0037] The main keel 110, the first keel 121, and the second keel 122 are parallel to each other. The upper surface of the first keel 121 is connected to the lower part of the main keel 110 via purlins 130, and the lower surface of the first keel 121 is connected to the upper surface of the second keel 122 via steel beams 150, thus positioning the first keel 121 between the main keel 110 and the second keel 122. The stable connection between the first keel 121, the second keel 122, and the main keel 110 facilitates the formation of a robust spatial truss structure. This system effectively distributes and transfers various loads borne by the canopy, including its own weight, wind loads, snow loads, and additional loads generated by human activities. Through a rational mechanical transfer path, the main keel 110 can transfer the upper load to the first keel 121 via the purlins 130. The first keel 121 then distributes the load to the second keel 122 via the steel beams 150, ultimately transferring all the load safely to the main building structure, avoiding structural deformation or damage caused by localized stress concentration. Simultaneously, the parallel arrangement and stable connection of these three components enhance the rigidity and stability of the canopy structure in both horizontal and vertical directions, improving its wind and earthquake resistance, ensuring long-term safe and reliable operation of the canopy in complex environments, reducing structural maintenance costs, and extending its service life. Furthermore, this structural form provides a stable installation foundation for components such as the eaves gutter and bracket keel 300 on the upper part of the canopy, facilitating subsequent construction and ensuring the construction quality and functionality of the entire canopy system.

[0038] The purlin 130 can be bolted and / or welded to the main joist 110 and the first joist 121. Similarly, the steel beam 150 can also be bolted and / or welded to the first joist 121 and the second joist 122. The specific connection method can be selected according to actual needs. By reasonably combining the two connection methods, construction costs and subsequent maintenance needs can be optimized while ensuring structural safety.

[0039] Furthermore, when the step plane overlaps with the extension direction of the first keel 121, the load borne by the bracket keel 300 (such as the weight of water accumulation in the eaves gutter and snow load) can be directly transferred along the length of the first keel 121, reducing the turning points in load transfer. For example, after the eaves gutter body 200 is connected to the bracket keel 300 through the first vertical part 310 and the horizontal part 330, the load can directly flow into the first keel 121 along the extension direction of the step plane, and then be distributed to the main keel 110 and the second keel 122 through the purlin 130 and the steel beam 150, avoiding local stress concentration. At the same time, when the step plane of the bracket keel 300 is used to install the eaves gutter body 200, and its extension direction overlaps with the first keel 121, the drainage direction of the eaves gutter (the internal space of the eaves gutter body 200 is the eaves gutter) can be consistent with the slope of the first keel 121 (if the first keel 121 has a drainage slope), ensuring that rainwater is quickly discharged along a linear path and avoiding water accumulation grooves formed due to directional misalignment.

[0040] In one embodiment, such as Figure 1 As shown, the canopy body 100 also includes a diagonal bracing keel 140 and a steel beam 150; the diagonal bracing keel 140 is located between the main keel 110 and the first keel 121, its bottom is connected to the end face of the first keel 121 facing the main keel 110, and its sidewall is connected to the middle of the purlin 130; the top of the steel beam 150 is connected to the end face of the first keel 121 facing away from the main keel 110, its bottom is connected to the second keel 122, and its middle part is connected to the bottom of the bracket keel 300.

[0041] In this embodiment, the surface of the steel beam 150 can be hot-dip galvanized for corrosion protection or coated with a high-performance anti-corrosion paint to extend its service life. The diagonal bracing keel 140 can be made of low-alloy high-strength structural steel (e.g., Q345B) to ensure high strength and good toughness, effectively resisting various loads on the canopy. Similarly, the diagonal bracing keel 140 can be hot-dip galvanized for corrosion protection to enhance its corrosion resistance in outdoor environments.

[0042] On the end face of the first keel 121 facing the main keel 110, a connecting steel plate can be welded onto the first keel 121 according to the installation angle and position of the diagonal brace keel 140. The connecting steel plate and the first keel 121 can be fully welded to ensure a firm connection. Subsequently, the bottom of the diagonal brace keel 140 is connected to the connecting steel plate with high-strength bolts, thereby improving the reliability of the connection between the diagonal brace keel 140 and the first keel 121. In the middle of the purlin 130, corresponding to the side wall position of the diagonal brace keel 140, a short angle steel connector can be welded. The side wall of the diagonal brace keel 140 is connected to the short angle steel connector with high-strength bolts. If necessary, spring washers can be added after the bolts are tightened to prevent loosening, ensuring the stability of the connection between the diagonal brace keel 140 and the purlin 130.

[0043] The diagonal bracing 140 forms a triangular support structure between the main keel 110 and the first keel 121. Utilizing the stability principle of triangles, this effectively improves the vertical and horizontal stability of the canopy structure. When the canopy is subjected to wind loads, snow loads, or other horizontal forces, the diagonal bracing 140 can quickly transfer the force to the first keel 121 and purlins 130, and then through the main keel 110 to the main building structure, reducing structural deformation and swaying. This avoids subsequent deviations in the drainage slope of the eaves gutter 200 due to deformation of the canopy body 100. Furthermore, the connection of the steel beams 150 further strengthens the connection between the first keel 121, the second keel 122, and the bracket keel 300, forming a complete spatial force-bearing system. This allows the entire canopy structure to better resist various complex loads, providing a reliable structural foundation for the subsequent installation and fixing of the eaves gutter 200.

[0044] Steel beam 150 is a C-shaped steel beam. The top and bottom of steel beam 150 are connected and fixed to the first keel 121 and the second keel 122 by welding. For the connection between the middle of steel beam 150 and the bracket keel 300, bolting or welding can be used. If bolting is used, the bolts should be installed according to the design spacing and specifications, ensuring the bolt tightening torque meets the requirements to prevent the eaves gutter from loosening. If welding is used, the welding quality must be guaranteed; the welded parts should be firm, flat, and free from defects such as incomplete welds or missing welds. After welding, anti-rust paint should be applied to the welded parts, and the bracket should be spot-welded to the eaves gutter to ensure that the eaves gutter does not slip.

[0045] In one embodiment, such as Figure 2 As shown, the bracket keel 300 includes a first vertical portion 310, a second vertical portion 320, and a horizontal portion 330; the first vertical portion 310 and the second vertical portion 320 are respectively vertically connected to opposite end faces of the horizontal portion 330, wherein the first vertical portion 310 is connected to the end face of the horizontal portion 330 facing the main keel 110, and the second vertical portion 320 is connected to the end face of the horizontal portion 330 facing away from the main keel 110; the plane where the horizontal portion 330 is located is the stepped plane of the bracket keel 300; the first vertical portion 310 and the horizontal portion 330 are connected to the eaves gutter body 200, and the second vertical portion 320 is connected to the middle part of the steel beam 150.

[0046] In this embodiment, the bracket keel 300 is composed of a first vertical portion 310, a second vertical portion 320, and a horizontal portion 330. Specifically, the first vertical portion 310 and the second vertical portion 320 are respectively vertically welded to the end faces of opposite sides of the horizontal portion 330. The first vertical portion 310 is located on the end face of the horizontal portion 330 facing the main keel 110, and the second vertical portion 320 is located on the end face of the horizontal portion 330 facing away from the main keel 110. More specifically, the first vertical portion 310 is connected to the right end of the horizontal portion 330, and the second vertical portion 320 is connected to the left end of the horizontal portion 330. Based on the above, an approximately "N"-shaped bracket keel 300 is formed.

[0047] The first vertical section 310 serves as a fixed support point for connection with the eaves gutter body 200. It is welded or riveted to the eaves gutter body 200 to ensure that the eaves gutter body 200 can stably bear the rainwater load. The second vertical section 320 serves as the bottom of the bracket keel 300 and is fixed to the middle of the steel beam 150 by bolts or welding to enhance the overall rigidity of the bracket keel 300, which is beneficial for transferring the load of the eaves gutter body 200 to the canopy body 100.

[0048] The plane containing the horizontal section 330 is parallel to the horizontal plane. The plane containing the horizontal section 330 is the step plane of the bracket keel 300. Furthermore, the plane containing the horizontal section 330 overlaps with the plane containing the first keel 121 in the canopy body 100. In other words, the horizontal section 330 and the first keel 121 overlap along their own length extension direction. The horizontal section 330 and the first keel 121 together serve as the drainage slope setting platform for the eaves gutter body 200.

[0049] Furthermore, to ensure the stability and durability of the structural connections, all joints of the bracket keel 300 are fully welded or bolted, and the weld seams are coated with anti-rust paint. In addition to being made of custom stainless steel plates, the bracket keel 300 can also be made of cold-bent galvanized channel steel, which also possesses both strength and corrosion resistance.

[0050] In one embodiment, such as Figure 1 as well as Figure 2 As shown, it also includes a connecting component 400; the eaves gutter body 200 is connected to the purlin 130 through the connecting component 400; the connecting component 400 includes a tie rod 410 and a first connector 420, the eaves gutter body 200 is connected to the purlin 130 through the first connector 420, and the first connector 420 is connected to the top of the eaves gutter body 200.

[0051] Specifically, the eaves gutter body 200 includes a first steel plate 210, a second steel plate 220, and a third steel plate 230; the first steel plate 210 and the third steel plate 230 are respectively vertically connected to opposite ends of the end face of the second steel plate 220 facing the main keel 110; the first steel plate 210 is connected to the purlin 130 through the first connector 420; the second steel plate 220 is connected to the secondary keel 120 and the stepped plane of the bracket keel 300; the third steel plate 230 is connected to the bracket keel 300; the two ends of the tie rod 410 are respectively connected to the first steel plate 210 and the third steel plate 230.

[0052] In this embodiment, the eaves gutter body 200 is enclosed by a first steel plate 210, a second steel plate 220, and a third steel plate 230 to form an unclosed rectangular structure. The first steel plate 210 and the third steel plate 230 are vertically connected to the end face of the second steel plate 220 facing the main keel 110, and are located at the left and right ends of the second steel plate 220. The opposite ends of the tie rod 410 are welded to the tops of the first steel plate 210 and the third steel plate 230, respectively. The tie rod 410, welded to the tops of the first steel plate 210 and the third steel plate 230, forms a "top support beam," connecting the two steel plates into a whole, effectively compensating for the stiffness loss due to the opening at the top of the rectangular structure. For example, when the eaves gutter is subjected to wind loads or vibration, the tie rod 410 can restrict the lateral displacement of the two steel plates, avoiding the weakening of the cross-sectional stiffness caused by the top opening. This is equivalent to adding a tensile and compressive "chord" at the opening, improving the overall bending stiffness.

[0053] The first steel plate 210, the second steel plate 220, and the third steel plate 230 can be made of stainless steel. The stainless steel plates are pressed according to a preset size to form the eaves gutter body 200. The internal space of the eaves gutter body 200 is the eaves gutter used for drainage. The distance between the purlin 130 and the first vertical part 310 of the bracket keel 300 is in a 1:1 ratio to the length of the second steel plate 220. This allows the eaves gutter body 200 to fit into the first space. Simultaneously, after the bottom of the bracket keel 300 is connected and fixed to the canopy body 100, it provides support to the eaves gutter body 200 in the direction of the canopy body 100, thereby strengthening the connection stability between the eaves gutter body 200 and the canopy body 100.

[0054] The first connector 420 can be a rivet, and the number of rivets can be set according to actual needs. The function of the first connector 420 is to connect the eaves gutter body 200 and the canopy body 100.

[0055] After the eaves gutter body 200 is adapted to the first space, its outer wall is connected to the canopy body 100 and the bracket keel 300 respectively. Specifically, the first steel plate 210 in the eaves gutter body 200 is connected to the purlin 130 in the canopy body 100 through the first connector 420. Since the step plane of the bracket keel 300 is flush with or overlaps with the extension direction of the first keel 121, the second steel plate 220 is connected to the step plane of the first keel 121 and the bracket keel 300 (that is, the horizontal part 330 of the bracket keel 300). The third steel plate 230 is perpendicular to the right end of the second steel plate 220, and the top of the bracket keel 300 (that is, the first vertical part 310) is perpendicular to its step plane, so the third steel plate 230 is connected to the top of the bracket keel 300. The multi-point connection and coordinated force-bearing design disperses the stress on the eaves gutter body 200 during long-term use, reduces the risk of the drainage slope of the eaves gutter body 200 shifting, and improves the accuracy of the drainage slope.

[0056] In addition, sealant is used to seal the connection between the eaves gutter body 200 and the canopy body 100, as well as the connection points of the first steel plate 210, second steel plate 220, and third steel plate 230 within the eaves gutter body 200. Before applying the sealant, surface debris and dust at the connection points should be cleaned to ensure a tight bond between the sealant and the contact surface. The sealant should be applied evenly and fully, avoiding gaps or air bubbles to prevent rainwater leakage.

[0057] In one embodiment, such as Figure 1 as well as Figure 2 As shown, it also includes a support component 500; the support component 500 is connected to the end face of the bracket keel 300 facing away from the canopy body 100. Specifically, the support component 500 includes a color steel plate outer casing 510 and a second connector 520; the color steel plate outer casing 510 is connected to the end face of the bracket keel 300 facing away from the canopy body 100 through the second connector 520.

[0058] In this embodiment, the color steel plate outer cladding 510 is fixed to the outer surface of the bracket keel 300 via the second connector 520. The outer surface of the bracket keel 300 is also the end face of the bracket keel 300 facing away from the canopy body 100. The color steel plate covering the outer surface of the bracket keel 300 effectively prevents rainwater, ultraviolet rays, and pollutants from directly contacting the structural body, extending the lifespan of the keel structure and improving overall protective performance. The color steel plate outer cladding 510 of appropriate thickness (e.g., 1.5mm) is selected according to actual construction needs. The second connector 520 can be a high-strength bolt.

[0059] Specifically, the color steel plate outer casing 510 includes a first outer casing, a second outer casing, and a third outer casing. The first outer casing is located on the outer surface of the first vertical part 310, the second outer casing is located on the end face of the horizontal part 330 facing away from the main keel 110, and the third outer casing is located on the outer surface of the second vertical part 320. Each outer casing is connected to each component of the bracket keel 300 via a second connector 520. On the one hand, the use of connectors facilitates quick disassembly and replacement when the color steel plate outer casing 510 is damaged, deformed, or corroded, reducing maintenance difficulty and subsequent operation and maintenance costs. On the other hand, the connectors ensure the reliability of the connection between the color steel plate outer casing 510 and the bracket keel 300, effectively resisting high-altitude wind pressure and structural vibration, and extending the service life of the external eaves gutter device.

[0060] In addition to the connection through connectors, the outer color steel plate outer casing 510 and the bracket keel 300 can also be connected by welding, or by a combination of welding and connectors, depending on the actual construction needs.

[0061] It should be noted that if a connector is used for connection, sealant should be applied to all joints between the connector and the color steel plate outer casing 510 to prevent rainwater from seeping into the fixing holes.

[0062] In one embodiment, such as Figure 1 As shown, it also includes a drainage pipe 600; the bottom of the eaves gutter body 200 is provided with a first drainage outlet, and the step plane of the bracket keel 300 is provided with a second drainage outlet. The first drainage outlet and the second drainage outlet are aligned to form a drainage channel, and the top of the drainage pipe is adapted to the drainage channel.

[0063] In this embodiment, the first drainage outlet (not shown in the figure) is located at the bottom of the eaves gutter body 200, serving as the main outlet for rainwater collected by the eaves gutter. The first drainage outlet is typically a pre-reserved round hole or rectangular slot, the size of which can be set according to the flow rate calculation. If necessary, reinforcing ribs or flanges can be added around the drainage outlet to improve structural strength.

[0064] The second drain outlet (not shown in the figure) is located on the stepped plane of the bracket keel 300, that is, the horizontal part 330 of the bracket keel 300. The position of the second drain outlet is aligned with the first drain outlet, together forming a through drainage channel in the vertical direction. The second drain outlet can be processed during the prefabrication stage of the bracket keel 300, which facilitates quick on-site positioning.

[0065] The first and second drain outlets are aligned to form a vertical drainage channel. If necessary, sealing rings or flange connections can be used to enhance the transition seal and prevent water seepage. The corresponding placement of the first and second drain outlets ensures that water accumulated in the eaves gutter can be quickly drained, preventing water accumulation at the end of the gutter and effectively avoiding rainwater backflow and structural corrosion.

[0066] The top of the drain pipe connects to the bottom of the drainage channel, forming a closed drainage system. The drain pipe can be made of corrosion-resistant materials such as PVC, stainless steel, or aluminum alloy. Depending on the building structure, the lower part of the drain pipe can lead to rainwater downpipes, floor drains, or water storage facilities.

[0067] like Figure 3 As shown, this embodiment of the invention also provides a construction method for a canopy external eaves gutter connection device, which is applied to the canopy external eaves gutter connection device in any of the foregoing embodiments. The method includes:

[0068] S1. Hoist the bracket keel, adjust its position so that the step plane of the bracket keel overlaps with the extension direction of the secondary keel of the canopy body, and fix the bottom of the bracket keel to the lower part of the canopy body.

[0069] In this embodiment, before hoisting, a comprehensive inspection of the specifications, model, and appearance quality of the prefabricated bracket keel 300 is conducted to ensure there are no defects such as deformation or cracks. A marking tool (e.g., a total station) is used to mark the installation position of the bottom of the bracket keel 300 (i.e., the second vertical part 320) on the lower part of the canopy body 100. This rigorous inspection and precise measurement and positioning ensure the accuracy of the bracket keel 300 installation, providing a reliable benchmark for the subsequent installation of the eaves gutter body 200, avoiding installation difficulties due to deviations in the bracket keel 300's position, and reducing rework costs.

[0070] Subsequently, a tower crane, equipped with specialized lifting slings, was used to hoist the bracket keel 300. After the bracket keel 300 was transported to the vicinity of the installation position, it was slowly lowered. By adjusting the height and horizontal position of the tower crane hook and using tools to fine-tune the angle of the bracket keel 300, the step plane of the bracket keel 300 was precisely aligned with the extension direction of the first keel 121 of the canopy body 100. This standardized hoisting and adjustment process ensured that the bracket keel 300 did not deform during installation, guaranteeing its structural integrity and load-bearing capacity.

[0071] After the bracket keel 300 is positioned correctly, it is fixed to the lower part of the canopy body 100 by welding or bolting. If welding is used, a steel plate is first pre-embedded in the lower part of the canopy body 100, and the bottom of the bracket keel 300 is fully welded to the pre-embedded steel plate. After welding, the weld is visually inspected and subjected to ultrasonic testing. If bolting is used, high-strength bolts are used, and spring washers are added to prevent loosening. After fixing, the position and verticality of the bracket keel 300 are checked again using a total station to ensure compliance with design requirements. Multiple reliable fixing methods and rigorous quality inspection ensure a firm connection between the bracket keel 300 and the canopy body 100, effectively bearing the loads of the eaves gutter and other components, enhancing the overall stability and safety of the canopy structure.

[0072] S2. Measure the first space formed between the canopy body and the bracket keel to obtain measurement data, and process the eaves gutter material according to the measurement data to form the eaves gutter body.

[0073] In this embodiment, high-precision measuring tools (e.g., laser rangefinder, total station) are used to perform three-dimensional measurements on the first space formed between the canopy body 100 and the bracket keel 300. The measurements include the length, width, and height of the space, as well as parameters such as the verticality and horizontality of each side. This high-precision measurement obtains accurate spatial data, providing a reliable basis for the customized processing of the eaves gutter body 200, ensuring a perfect fit between the eaves gutter and the first space, and avoiding installation difficulties and waterproofing problems caused by dimensional inconsistencies.

[0074] Based on measurement data, design requirements, and drainage slope needs, professional architectural design software (such as AutoCAD and Revit) was used to conduct a detailed design of the 200mm eaves gutter body, determining parameters such as the shape, dimensions, and drainage direction of the eaves gutter. After the design was completed, technical personnel reviewed the design drawings to ensure the rationality and feasibility of the design. This professional design and review process ensured that the eaves gutter design met functional and structural safety requirements, optimized drainage paths, and improved drainage efficiency.

[0075] The design drawings are submitted to the processing workshop, and eaves gutter materials that meet quality standards (e.g., stainless steel, aluminum alloy, etc.) are selected. A CNC plasma cutting machine is used to precisely cut the materials, with the dimensional error controlled within ±1mm. After cutting, the eaves gutter material is bent and pressed using specialized forming equipment to achieve the required design shape. During processing, the edges of the eaves gutter body 200 are ground to remove burrs and sharp corners, preventing scratches to construction workers and ensuring proper drainage. Advanced processing equipment and strict quality control guarantee the processing precision and quality of the eaves gutter body 200, resulting in a good appearance and performance, extended service life, and reduced quality risks during construction.

[0076] Install pre-fabricated tie rods 410 fixing accessories on the eaves gutter. The fixing spacing of tie rods 410 is controlled between 1500mm and 2000mm. Tie rods 410 can be made of round steel and covered with waterproof membrane, or stainless steel rods. Welded joints should be coated with waterproof paint. After the accessories are installed, conduct a comprehensive inspection of the eaves gutter body 200, including dimensional accuracy, shape, and the firmness of accessory installation, to ensure that it meets the design and usage requirements.

[0077] S3. Hoist the eaves gutter body into the first space and connect and fix the contact surfaces of the eaves gutter body with the canopy body and the bracket keel.

[0078] In this embodiment, a tower crane is used to lift the pre-fabricated eaves gutter body 200 into the first space. Anti-collision measures are implemented during lifting to prevent the eaves gutter body 200 from colliding with the canopy body 100 and the bracket keel 300, thus avoiding damage. After the eaves gutter body 200 is lifted into place, tools (e.g., jacks) are used for fine-tuning to ensure accurate alignment with the contact surfaces of the canopy body 100 and the bracket keel 300. Standardized lifting and fine-tuning operations ensure that the eaves gutter body 200 is not damaged during installation and can be accurately installed, improving installation efficiency and quality.

[0079] The first steel plate 210 in the eaves gutter body 200 is connected to the purlin 130 in the canopy body 100 via a first connector 420 (e.g., high-strength bolts, welded steel plates, etc.). If bolted connections are used, bolt holes are made at corresponding positions on the purlin 130 and the first steel plate 210, and high-strength bolts are used for connection. If welding is used, a connecting steel plate is welded to the purlin 130, and the first steel plate 210 and the connecting steel plate are fully welded. After welding, the weld is visually inspected. These diverse and reliable connection methods ensure a tight connection between the eaves gutter body 200, the canopy body 100, and the bracket keel 300, forming a unified load-bearing system that effectively transfers loads and enhances the stability and waterproofing performance of the canopy structure.

[0080] Since the stepped plane of the bracket keel 300 is flush with or overlaps with the extension direction of the first keel 121, the second steel plate 220 is fixed to the first keel 121 and the horizontal part 330 of the bracket keel 300 by welding or bolting. During connection, ensure that the second steel plate 220 is tightly fitted with the first keel 121 and the horizontal part 330 of the bracket keel 300. If welding is used, the weld should be continuous and full; if bolting is used, the bolt spacing should not exceed 200mm, and the tightening torque should meet the design requirements.

[0081] The third steel plate 230 is perpendicular to the right end of the second steel plate 220 and is connected to the top of the bracket keel 300 (the first vertical part 310) by welding or bolting. Before connection, the connection parts are derusted and ground to ensure connection quality. After connection, the overall installation of the eaves gutter body 200 is checked to ensure that all connection parts are firm and reliable, without loosening or deformation. Strict connection quality inspection ensures the installation firmness of the eaves gutter body 200, avoids leakage, detachment and other problems caused by weak connections, and ensures the normal use and safety of the canopy.

[0082] In addition, sealant is used to seal the connection between the eaves gutter body 200 and the canopy body 100, as well as at all connecting parts of the eaves gutter body 200. The sealant should be a reliable, weather-resistant product. Before applying the sealant, clean the surface of the connecting parts to remove debris and dust, ensuring a tight bond between the sealant and the contact surface. The sealant should be applied evenly and fully, avoiding gaps or air bubbles to prevent rainwater leakage. Simultaneously, the processed 1.5mm color steel plate outer casing 510 is bolted to the bracket keel 300 to ensure a straight and smooth eaves and a flat surface.

[0083] S4. According to the drainage slope requirements, calibrate the fixed position of the eaves gutter body, and conduct stability tests and drainage performance tests on the connection parts of the eaves gutter body, the canopy body, and the bracket keel.

[0084] In this embodiment, the fixed position of the eaves gutter body 200 is calibrated using a level instrument according to the drainage slope required by the design. By adjusting the thickness of the pads at the bottom of the eaves gutter or the height of the support points, the drainage slope of the eaves gutter is made to meet the requirement of not less than 2%, ensuring smooth drainage. During the calibration process, the elevation of the eaves gutter body 200 is measured at regular intervals (e.g., every 2 meters) to ensure a uniform slope. Precise drainage slope calibration ensures that the eaves gutter drainage function is normal, avoids leakage and structural damage caused by rainwater accumulation, and protects the canopy and the main building structure.

[0085] At the same time, special treatment is applied to the drainage outlet of the eaves gutter body 200. Drainage outlet fittings can be installed, and sealing materials can be used to seal the connection between the drainage outlet and the eaves gutter body 200 to ensure smooth drainage and no leakage at the drainage outlet.

[0086] Stability tests were conducted on all connection points of the eaves gutter body 200, the canopy body 100, and the bracket keel 300. A loading test method was used, gradually increasing simulated loads (e.g., sandbags, water bags) within the eaves gutter, with the load weight being 1.2 times the design load. The connection points were continuously observed for deformation, loosening, cracks, or other phenomena. Simultaneously, strain gauges and other equipment were used to monitor stress changes in key areas to ensure the structural safety under load.

[0087] Drainage performance tests are conducted by simulating rainfall and injecting a large amount of water into the eaves gutter body 200. The flow and drainage speed of rainwater within the eaves gutter body 200 are observed to check for water accumulation. Simultaneously, the connections between the eaves gutter body 200 and the canopy body 100, the bracket keel 300, and drainage outlets are checked for leaks. If problems are found, adjustments and repairs are made promptly until design requirements are met. Rigorous stability and drainage performance tests enable the timely detection of potential quality issues and safety hazards, allowing for proactive rectification and ensuring the safety and reliability of the canopy during use.

[0088] After testing, the test data is compiled and analyzed to generate a detailed test report. The report includes the testing process, results, identified problems, and corrective measures, providing a basis for project acceptance. This detailed report provides a scientific and accurate basis for project acceptance and also serves as reference material for subsequent maintenance and management, contributing to improved project quality and management standards.

[0089] An external eaves gutter connection device and its construction method for a rain shelter include a rain shelter body 100, an eaves gutter body 200, and a bracket keel 300. The bottom of the bracket keel 300 is connected to the lower part of the rain shelter body 100. The rain shelter body 100 includes a main keel 110, a secondary keel 120, and a purlin 130. The main keel 110 is connected parallel to the upper part of the secondary keel 120 through the purlin 130. The bracket keel 300 is stepped, and the stepped plane of the bracket keel 300 overlaps with the extending direction of the secondary keel 120. The space formed between the main keel 110, the purlin 130, the secondary keel 120, and the bracket keel 300 is a first space. The eaves gutter body 200 is located in the first space and is connected to the purlin 130 and the bracket keel 300. In this embodiment, after the bracket keel 300 is connected and fixed to the canopy body 100, the eaves gutter body 200 is placed in the first space formed between the bracket keel 300 and the canopy body 100, and the eaves gutter body 200 is connected and fixed to the canopy body 100 and the bracket keel 300 respectively, which improves the stability of the connection between the eaves gutter body 200 and the canopy body 100 and the accuracy of the drainage slope.

[0090] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in the present invention, and these modifications or substitutions should all be covered within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. An awning overhang gutter connecting device, characterized by, The system includes a canopy body, an eaves gutter body, and a bracket keel. The bottom of the bracket keel is connected to the lower part of the canopy body. The canopy body includes a main keel, a secondary keel, and purlins. The main keel is connected parallel to the upper part of the secondary keel through the purlins. The bracket keel is stepped, and the stepped plane of the bracket keel overlaps with the extending direction of the secondary keel. The space formed between the main keel, the purlins, the secondary keel, and the bracket keel is a first space. The eaves gutter body is located in the first space and is connected to the purlins and the bracket keel. The secondary keel includes a first keel and a second keel; the first keel is connected in parallel to the second keel, and the first keel is located between the main keel and the second keel; the first keel is connected to the lower part of the main keel through the purlin; the step plane of the bracket keel overlaps with the extension direction of the first keel; The canopy body also includes diagonal bracing keels and steel beams; the diagonal bracing keels are located between the main keel and the first keel, with their bottom connected to the end face of the first keel facing the main keel, and their sidewalls connected to the middle of the purlin; the top of the steel beam is connected to the end face of the first keel facing away from the main keel, its bottom is connected to the second keel, and its middle part is connected to the bottom of the bracket keel; The bracket keel includes a first vertical part, a second vertical part, and a horizontal part; the first vertical part and the second vertical part are respectively vertically connected to opposite end faces of the horizontal part, wherein the first vertical part is connected to the end face of the horizontal part facing the main keel, and the second vertical part is connected to the end face of the horizontal part facing away from the main keel; the plane on which the horizontal part is located is the stepped plane of the bracket keel; the first vertical part and the horizontal part are connected to the eaves gutter body, and the second vertical part is connected to the middle part of the steel beam; It also includes a connecting component; the eaves gutter body is connected to the purlin via the connecting component; the connecting component includes a tie rod and a first connector, the eaves gutter body is connected to the purlin via the first connector, and the first connector is connected to the top of the eaves gutter body; The eaves gutter body includes a first steel plate, a second steel plate, and a third steel plate.

2. The canopy external eaves gutter connecting device according to claim 1, characterized in that, The first steel plate and the third steel plate are respectively vertically connected to the opposite ends of the second steel plate facing the main keel; the first steel plate is connected to the purlin through the first connector; the second steel plate is connected to the step plane of the secondary keel and the bracket keel; the third steel plate is connected to the bracket keel; the two ends of the tie rod are respectively connected to the first steel plate and the third steel plate.

3. The canopy external eaves gutter connecting device according to claim 2, characterized in that, It also includes a support component; the support component is connected to the end face of the bracket keel facing away from the canopy body.

4. The canopy external eaves gutter connecting device according to claim 3, characterized in that, The support component includes a color steel plate outer casing and a second connector; the color steel plate outer casing is connected to the end face of the bracket keel facing away from the canopy body through the second connector.

5. The canopy external eaves gutter connecting device according to claim 4, characterized in that, It also includes a drainage pipe; the bottom of the eaves gutter body is provided with a first drainage outlet, and the step plane of the bracket keel is provided with a second drainage outlet. The first drainage outlet and the second drainage outlet are aligned to form a drainage channel, and the top of the drainage pipe is adapted to the drainage channel.

6. A construction method for a canopy external eaves gutter connection device, characterized in that, The method applied to the canopy external eaves gutter connection device of claim 5 includes: Hoist the bracket keel, adjust its position so that the step plane of the bracket keel overlaps with the extension direction of the secondary keel of the canopy body, and fix the bottom of the bracket keel to the lower part of the canopy body. The first space formed between the canopy body and the bracket keel is measured to obtain measurement data. Based on the measurement data, the eaves gutter material is processed to form the eaves gutter body. The eaves gutter body is hoisted into the first space, and the contact surfaces of the eaves gutter body, canopy body, and bracket keel are connected and fixed. The fixed position of the eaves gutter body is calibrated according to the drainage slope requirements, and the stability and drainage performance of each connection part of the eaves gutter body, the canopy body and the bracket keel are tested.

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