Fabricated square tube support

Abstract

The utility model discloses an assembly type square tube support belongs to steel structure and multi -specification pipe non -welded convenient assembly technical field. It includes the assembly type square tube support of the same or different first square tube, second square tube, third square tube, fourth square tube and powerful hoop, pipe head clamp, U type hinged piece combination connection with many roots, the first square tube between many roots parallel is connected perpendicularly through the second square tube, the first square tube is connected perpendicularly through powerful hoop and pipe head clamp between the second square tube, the both ends of third square tube are respectively connected perpendicularly through pipe head clamp, U type hinged piece and powerful hoop between the first square tube, second square tube, the fourth square tube is connected obliquely through powerful hoop and U type hinged piece between the first square tube end. The utility model improves the flexibility, stability and bearing capacity of assembly type square tube support.

Description

Technical Field

[0001] This utility model belongs to the technical field of steel structure and non-welding convenient assembly of multi-specification pipes, specifically relating to an assembled square tube support. Background Technology

[0002] Due to a combination of factors such as actual usage environment, construction limitations, and labor costs, the common installation method for steel structure cover plates or photovoltaic panel bottom support frames is as follows: C-shaped steel is used as the main load-bearing component, with pre-punched holes in the profiles, then connected using sheet metal parts, and finally fastened with standard components. Although this assembly process is relatively mature, it also has the following shortcomings:

[0003] 1. Open sections are detrimental to stress performance: When C-shaped steel has an open section, it is easy to cause uneven stress and strain distribution and local deformation when it is subjected to load.

[0004] 2. High material and processing costs: Even with the same material, specifications, thickness, and length, the unit price of C-shaped steel is relatively high. In addition, the extra punching process further increases the overall cost.

[0005] 3. Strict requirements for installation direction: If the opening orientation of the C-shaped steel is ignored, it is very easy to cause errors in subsequent construction and increase the difficulty of on-site assembly. Utility Model Content

[0006] The purpose of this utility model is to overcome the shortcomings of the above-mentioned background technology and provide a prefabricated square tube support.

[0007] The technical solution adopted by this utility model is: an assembled square tube support, comprising multiple first square tubes, second square tubes, third square tubes, and fourth square tubes of the same or different specifications, combined with a strong clamp, a pipe head clamp, and a U-shaped hinge. The multiple parallel first square tubes are vertically connected by second square tubes. The first square tubes and the second square tubes are vertically connected by a strong clamp and a pipe head clamp. The two ends of the third square tube are obliquely hinged to the first square tube and the second square tube respectively by a pipe head clamp, a U-shaped hinge, and a strong clamp. The fourth square tube is obliquely hinged to the end of the first square tube by a strong clamp and a U-shaped hinge.

[0008] Preferably, the inner side of the strong clamp is attached to the outer surface of the first square tube, the end of the second square tube is connected to the pipe head clamp, and one or more of the pipe head clamps are attached to the side of the strong clamp and connected to the strong clamp.

[0009] Preferably, the strong clamp is composed of a "C"-shaped clamp, a first semi-circular pressure strip, and a first strong pad. The "C"-shaped clamp is a rectangular frame structure composed of four first wall panels with 90-degree bends. The open ends of the rectangular frame structure extend to form double-layered overlapping first semi-circular ear plates. The ends of the two first semi-circular ear plates form a first teardrop-shaped circle. A through hole is provided on the first semi-circular ear plate. A first semi-circular pressure strip is placed on the inner arc of each of the two first semi-circular ear plates, and a through hole is provided on the first semi-circular pressure strip. A first strong pad is embedded between the two first semi-circular ear plates. The first strong pad has a first circular groove formed by concave indentations on opposite sides, and a through hole is provided in the first circular groove. The other opposite sides are flat, and threaded holes are provided on the flat surfaces. The inner side of the strong clamp is fitted to the first square tube. During installation, the first locking bolt passes through the two symmetrically arranged holes of the first semi-circular ear plates and the two holes of the first semi-circular pressure strips, and passes through the hole of the first strong pad in the middle to connect with the first nut. As the first locking bolt is tightened, the first semi-circular pressure strips on both sides press the first semi-circular ear plates and retract them towards the inner side of the first circular groove of the first strong pad. This causes the four corner arcs of the "C"-shaped clamp to deform, causing the roots of multiple first wall panels and first semi-circular ear plates to fit against the first square tube. This creates strong friction between the "C"-shaped clamp and the first square tube, thereby achieving the locking and fixing of the strong clamp on the first square tube.

[0010] Preferably, the pipe clamp is composed of a box-shaped clamp, a second semi-circular pressure strip, and a second strong pad. The box-shaped clamp is an open box formed by splicing a rectangular frame structure consisting of two second wall panels with four 90-degree bends and a base plate. The open ends of the rectangular frame structure extend to form double-layered, overlapping second semi-circular ear plates. The ends of the two second semi-circular ear plates form a second teardrop-shaped circle. A through hole is provided on the second semi-circular ear plate. A second semi-circular pressure strip is placed on the inner arc of each of the two second semi-circular ear plates. A through hole is provided on the second semi-circular pressure strip. A second strong pad is embedded between the two second semi-circular ear plates. Two opposite sides of the second strong pad are concave to form a second circular groove, while the other two sides are flat. A through hole is provided in the second circular groove. The edge of the base plate connects to the second wall panel. Grooves are provided at the four corners where the second wall panel connects to the base plate to facilitate deformation. The box-shaped clamp is installed by fitting the inner side of the second square tube. The second locking bolt passes through the two symmetrically arranged holes of the second semi-circular ear plates and the two holes of the second semi-circular pressure strips, and passes through the hole of the second strong pad in the middle to connect with the second nut. As the second locking bolt is tightened, the second semi-circular pressure strips on both sides press the second semi-circular ear plates and pull them towards the inner side of the second circular groove of the second strong pad, thereby causing the four corner arcs of the box-shaped clamp to deform and the roots of multiple second wall plates and second semi-circular ear plates to fit against the second square tube. This causes the box-shaped clamp to generate strong friction with the second square tube, thereby achieving the locking and fixing of the tube head on the second square tube.

[0011] Preferably, each of the first wall panels has a countersunk hole in the middle, and the base plate has a first groove. The first groove has first round holes in the same number and position as the countersunk holes on each of the first wall panels. When the pipe clamp is installed against the first wall panel, the countersunk bolt with tenon is passed through the countersunk hole, the first round hole and locked with the third nut in sequence. When the pipe clamp is installed against the first strong pad, the third locking bolt passes through the first round hole and the threaded hole of the first strong pad and is locked with the third nut.

[0012] Preferably, the countersunk hole is provided with a locking notch, which is used to lock the countersunk tenon bolt so that it cannot rotate.

[0013] Preferably, the third and fourth square tubes are inclined support rods, with tube head clamps and U-shaped hinges fixed at both ends of the third square tube, and strong clamps and U-shaped hinges provided at multiple positions in the middle of the fourth square tube.

[0014] Preferably, the U-shaped hinge includes an ear plate and a transition mounting plate. The ear plates and the transition mounting plate on both sides are vertically connected to form a "U"-shaped structure. The transition mounting plate is provided with a second groove. The second groove is provided with a second round hole in a number and position corresponding to the countersunk hole of each first wall panel. Each ear plate is provided with a third round hole. When the U-shaped hinge is installed against the side of the strong clamp, the countersunk tenon bolt passes through the countersunk hole and the second round hole and is locked with the third nut. When the U-shaped hinge is installed against the side of the pipe clamp, the third locking bolt passes through the first round hole and the second round hole and is locked with the third nut.

[0015] More preferably, it also includes a fifth square tube, with multiple fifth square tubes connected between the second square tube and the fourth square tube; one end of the fifth square tube is inclinedly hinged to the fourth square tube via a pipe head clamp, a U-shaped hinge, and a strong clamp, and the other end is inclinedly hinged to the second square tube via a pipe head clamp, a U-shaped hinge, a multi-link hinge, and a strong clamp; or one end of the fifth square tube is inclinedly hinged to the fourth square tube via a strong clamp and a U-shaped hinge, and the other end is inclinedly hinged to the second square tube via a pipe head clamp, a U-shaped hinge, a multi-link hinge, and a strong clamp.

[0016] Preferably, the multi-joint hinge is an angled plate structure with multiple hinge points for connecting with a U-shaped hinge or a strong clamp.

[0017] The beneficial effects of this utility model are as follows:

[0018] This utility model uses square tube clamps and square tubes to construct a square tube support. The square tube clamps adopt a functional zoning optimization design, with a single layer of sheet metal at the contact point with the square tube and a double-layer overlapping structure at the locking point. The contact point aims for "tight contact," with the single-layer plane maximizing surface contact and ensuring friction; the locking point aims for "strong load-bearing capacity and deformation resistance," with the double-layer structure dispersing stress and strengthening rigidity to ensure reliable fastening. The combination of these two aspects achieves a balance between "fixing effect" and "structural strength" for the square tube clamps, while also considering cost and ease of installation.

[0019] This utility model provides flexibility in structural adjustment and stability in reinforcement through the use of components such as high-strength clamps, pipe clamps, and U-shaped hinges. The high-strength clamps and pipe clamps achieve efficient fixation by forcefully locking the square tube, significantly improving the stability and load-bearing capacity of the support. Meanwhile, the various components are connected by screws and nuts, making the installation process simple and quick, reducing complex on-site processing, and ensuring the accuracy of the overall structure and installation efficiency.

[0020] This utility model utilizes a single layer of sheet metal at the contact points between the high-strength clamp and the pipe head clamp and the square tube, ensuring a uniform distribution of friction between them (friction = normal force × coefficient of friction; surface contact facilitates the uniform transmission of normal force). This achieves a "tight contact" at the contact point, maximizing surface contact and guaranteeing friction. The double-layer overlapping design of the first and second semi-circular ear plates uses a single sheet material to achieve functional zoning while simplifying the process and reducing costs. Using a single layer of sheet metal for double-layer overlapping facilitates processing and strengthens the structure. The double-layer structure disperses pressure between the upper and lower layers, reducing the stress on each layer (similar to a "distributed load" mechanical design), preventing deformation and breakage of the single layer due to excessive local pressure. Furthermore, it increases the friction between the two overlapping contact surfaces, enhancing the tensile strength of the first / second semi-circular ear plates, overcoming the tensile force that could tear through the sheet metal ear plate through-holes, and ensuring that the torque of the bolts is applied to the clamp, guaranteeing the strength of the high-strength clamp / pipe head clamp.

[0021] This utility model achieves flexible connections between the "first square tube," "second square tube," "third square tube," "fourth square tube," and "fifth square tube" through a "high-strength clamp," "pipe head clamp," and "U-shaped hinge," respectively. The "high-strength clamp" and "pipe head clamp" generate high-strength friction by adhering to the wall panel and the square tube, thus achieving the dual effects of secure locking and adjustable angle. At the same time, the "countersunk head bolt with tenon" and "nut" work together to simplify the assembly process between parts, reduce on-site welding or cutting procedures, improve construction efficiency, and enhance the stability and durability of the overall structure. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the strong clamp and the first square tube of this utility model.

[0024] Figure 3 This is a schematic diagram of the "C"-shaped clamp structure of this utility model;

[0025] Figure 4 This is a schematic diagram of the first semi-circular pressure strip structure of this utility model;

[0026] Figure 5 This is a schematic diagram of the first high-strength pad block structure of this utility model;

[0027] Figure 6 This is a schematic diagram of the strong clamping mechanism of this utility model;

[0028] Figure 7 This is a schematic diagram of the fitting structure between the pipe head clamp and the second square tube of this utility model;

[0029] Figure 8 This is a schematic diagram of the boxed clamp structure of this utility model;

[0030] Figure 9 This is a schematic diagram of the second semicircular pressure strip structure of this utility model;

[0031] Figure 10 This is a schematic diagram of the structure of the second high-strength pad of this utility model;

[0032] Figure 11 This is a schematic diagram of the pipe head clamp clamping mechanism of this utility model;

[0033] Figure 12 This is a schematic diagram of the structure of the high-strength clamp and pipe head clamp of this utility model;

[0034] Figure 13 This is a schematic diagram of the U-shaped hinge structure of this utility model;

[0035] Figure 14 This is a schematic diagram of the strong clamp and U-shaped hinge of this utility model being obliquely hinged together;

[0036] Figure 15 This is a schematic diagram showing the oblique hinge connection between the high-strength clamp and the U-shaped hinge of this utility model and the pipe head clamp and the U-shaped hinge. Detailed Implementation

[0037] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments to facilitate a clear understanding of the present invention, but these descriptions do not constitute a limitation on the present invention.

[0038] like Figure 1 , Figure 12 , Figure 14 and Figure 15As shown, this utility model includes an assembled square tube support consisting of multiple first square tubes 4, second square tubes 5, third square tubes 6, and fourth square tubes 7 of the same or different specifications, combined with a strong clamp 1, a pipe end clamp 2, and a U-shaped hinge 3. The multiple parallel first square tubes 4 are vertically connected by second square tubes 5. The first square tubes 4 and the second square tubes 5 are vertically connected by a strong clamp 1 and a pipe end clamp 2. The two ends of the third square tube 6 are obliquely hinged to the first square tubes 4 and the second square tubes 5 respectively by a pipe end clamp 2, two U-shaped hinges 3, and a strong clamp 1. The end of the fourth square tube 7 is obliquely hinged to the end of the first square tube 4 by two strong clamps 1 and two U-shaped hinges 3. The two U-shaped hinges 3 are also hinged together by a fourth locking bolt 28. Figure 14 (As shown).

[0039] In some alternative embodiments, the inner side of the strong clamp 1 is attached to the outer surface of the first square tube 4, the end of the second square tube 5 is connected to the inside of the pipe head clamp 2, and one or more pipe head clamps 2 are attached to the side of the strong clamp 1 and connected to the strong clamp 1.

[0040] like Figures 2-5 As shown, the high-strength clamp 1 is composed of a "C"-shaped clamp 11, a first semi-circular pressure strip 12, and a first high-strength pad 13. The "C"-shaped clamp 11 is a rectangular frame structure composed of four first wall panels 111 with 90-degree bends. The two ends of the open surface of the rectangular frame structure extend to form a double-layered overlapping structure of first semi-circular ear plates 113. The ends of two first semicircular ear plates 113 form a first teardrop-shaped circle 114. A first semicircular ear plate through hole 116 is provided on the first semicircular ear plate 113. A first semicircular pressure strip 12 is placed on the inner arc of each of the two first semicircular ear plates 113. A first semicircular pressure strip through hole 121 is provided on the first semicircular pressure strip 12. A first strong pad 13 is embedded between the two first semicircular ear plates 113. The opposite sides of the first strong pad 13 are concave to form a first circular groove 131. A first strong pad through hole 134 is provided in the first circular groove 131. The other opposite sides are flat, and threaded holes 133 are provided on the flat surfaces. The strong clamp 1 is installed by fitting its inner side against the first square tube 4. The locking bolt 14 passes through the two symmetrically arranged first semi-circular ear plate through holes 116 and two first semi-circular pressure strip through holes 121, and passes through the first strong pad through hole 134 in the middle to connect with the first nut 15. As the first locking bolt 14 is tightened, the first semi-circular pressure strips 12 on both sides press the first semi-circular ear plates 113 and pull them inward toward the first circular groove 131 of the first strong pad 13, thereby causing the four corner arcs of the "C"-shaped clamp 11 to deform, so that the roots of multiple first wall panels 111 and first semi-circular ear plates 113 are attached to the first square tube 4, so that the "C"-shaped clamp 11 and the first square tube 4 generate strong friction, thereby realizing the locking and fixing of the strong clamp 1 on the first square tube 4.

[0041] like Figure 6When installing the high-strength clamp 1, a first high-strength pad 13 is embedded between the two first semi-circular ear plates 113 of the high-strength clamp 1. The two first shoulders 132 of the first high-strength pad 13 each abut against the first rear neck 117 formed by the outer side of the first teardrop-shaped circle 114, controlling to prevent the two first semi-circular ear plates 113 from deforming and consuming the preload. The double-layer structure of the first semi-circular ear plates 113 enhances rigidity and resistance to deformation, disperses the bolt preload, avoids stress concentration, enhances the locking pull of the first semi-circular ear plates 113, overcomes the pull to tear the first semi-circular ear plate through hole 116, and ensures the pull of the first locking bolt 14 to ensure the clamping ability. As the first locking bolt 14 is tightened, the straight edges of the a-end of surface Aa and the b-end of surface Bb are stretched and bent by the rounded corners of the first square tube 4, resulting in slight deformation of the sheet metal. Similarly, the bending arcs of the A-end of surface Aa and the B-end of surface Bb are stretched and straightened by the rounded corners of the first square tube 4, resulting in slight deformation of the sheet metal. This causes the Cc, Aa, Bb, and Dd surfaces of the strong clamp 1 to fit snugly against the outer surface of the first square tube 4, thus locking and fixing the strong clamp 1 onto the first square tube 4.

[0042] like Figures 7-10As shown, the pipe clamp 2 is composed of a box-shaped clamp 21, a second semi-circular pressure strip 22, and a second strong pad 23. The box-shaped clamp 21 is an open box formed by splicing a rectangular frame structure composed of four 90-degree bent second wall panels 211 and a base plate 212. The two ends of the open surface of the rectangular frame structure extend to form a double-layered overlapping structure of second semi-circular ear plates 214. The ends of the two second semicircular ear plates 214 form a second teardrop-shaped circle 215. A second semicircular ear plate through hole 217 is provided on the second semicircular ear plate 214. A second semicircular pressure strip 22 is placed on the inner arc of each of the two second semicircular ear plates 214. A second semicircular pressure strip through hole 221 is provided on the two semicircular pressure strips 22. A second strong pad 23 is embedded between the two second semicircular ear plates 214. The two opposite sides of the second strong pad 23 are concave to form a second circular groove 231, while the other two sides are flat. A second strong pad through hole 233 is provided in the second circular groove 231. The edge of the bottom plate 212 is connected to the second wall plate 211. The four corners where the second wall plate 211 connects to the bottom plate 212 are provided with slots to facilitate deformation. (Box-shaped enclosure) The inner side of the clamp 21 is fitted to the second square tube 5 for installation. The second locking bolt 24 passes through the two symmetrically arranged second semi-circular ear plate through holes 217 and two second semi-circular pressure strip through holes 221, and passes through the second strong pad through hole 233 in the middle to connect with the second nut 25. As the second locking bolt 24 is tightened, the second semi-circular pressure strips 22 on both sides press the second semi-circular ear plate 214 and pull it inward toward the second circular groove 231 of the second strong pad 23. This causes the four corner arcs of the box-shaped clamp 21 to deform, so that the roots of multiple second wall plates 211 and second semi-circular ear plates 214 fit against the second square tube 5, so that the box-shaped clamp 21 and the second square tube 5 generate strong friction, thereby realizing the locking and fixing of the pipe head clamp 2 on the second square tube 5.

[0043] like Figure 11When installing the pipe clamp 2, the end of the second square tube 5 is inserted into the opening of the pipe clamp 2. The base plate 212 limits the insertion depth. A second strong pad 23 is embedded between the two second semicircular ear plates 214 of the pipe clamp 2. The two second shoulders 232 of the second strong pad 23 each abut against the second rear neck 218 formed on the outer side of the second teardrop-shaped circle 215, controlling to prevent the two second semicircular ear plates 214 from deforming and consuming the preload. The double-layer structure of the second semicircular ear plates 214 enhances rigidity and resistance to deformation, disperses the bolt preload, avoids stress concentration, and enhances the locking pull of the second semicircular ear plates 214. It overcomes the pull to tear the second semicircular ear plate through hole 217, ensuring the pull of the second locking bolt 24 to ensure the clamping ability. Tighten the second locking bolt 24. The second shoulder 232 of the second strong pad 23 presses against the second teardrop-shaped circle 215 at the end of the second semicircular ear plate 214, keeping the position of the second teardrop-shaped circle 215 of the box-shaped clamp 21 stationary. The base plate 212 is connected to the second wall panel 211 on the Ff, Gg, and Ee surfaces. The four corner arcs (Fg arc, EG arc, eH arc, fh arc) are provided with grooves between the base plate and the four arcs, which facilitates the deformation of the four arcs. As the second locking bolt 24 is tightened, after the eH and fh bends are tightened, the straight edges of the e end of the E surface and the f end of the Ff surface will be tightened and bent by the rounded corners of the second square tube 5, resulting in slight deformation of the plate. After the EG and Fg bends are tightened, the curved arcs of the E end of the E surface and the F end of the Ff surface will be tightened and straightened by the rounded corners of the second square tube 5, resulting in slight deformation of the plate. The Gg, Ee, Ff, and Hh surfaces of the pipe clamp 2 are brought into close contact with the outer surface of the second square tube 5, thereby locking and fixing the pipe clamp 2 onto the second square tube 5.

[0044] In some optional embodiments, each first wall panel 111 has a countersunk hole 112 at the middle position, and the bottom plate 212 has a first groove 213. The first groove 213 has a number and position of first round holes 216 corresponding to the countersunk holes 112 of each first wall panel 111. When the pipe clamp 2 is installed in contact with the first wall panel 111, the countersunk tenon bolt 16 passes through the countersunk hole 112 and the first round hole 216 in sequence and is locked with the third nut 26. When the pipe clamp 2 is installed in contact with the first strong pad 13, the third locking bolt 27 passes through the first round hole 216 and the threaded hole 133 of the first strong pad 13 and is locked with the third nut 26.

[0045] In some alternative embodiments, the countersunk hole 112 is provided with a locking notch 115, which is used to lock the countersunk tenon bolt 16 so that it cannot rotate.

[0046] like Figure 13As shown, the U-shaped hinge 3 includes an ear plate 31 and a transition mounting plate 32. The ear plates 31 and the transition mounting plate 32 are vertically connected to form a "U"-shaped structure. The transition mounting plate 32 is provided with a second groove 33. The second groove 33 is provided with a number and position of second round holes 34 corresponding to the countersunk holes 112 of each first wall panel 111. Each ear plate 31 is provided with a third round hole 35. When the U-shaped hinge 3 is installed against the side of the strong clamp 1, the countersunk tenon bolt 16 passes through the countersunk hole 112 and the second round hole 34 and is locked with the third nut 26. When the U-shaped hinge 3 is installed against the side of the pipe clamp 2, the third locking bolt 27 passes through the first round hole 216 and the second round hole 34 and is locked with the third nut 26.

[0047] In some optional embodiments, a fifth square tube 9 is also included, with multiple fifth square tubes 9 connected between the second square tube 5 and the fourth square tube 7; one end of the fifth square tube 9 is obliquely hinged to the fourth square tube 7 via a pipe head clamp 2, two U-shaped hinges 3, and a strong clamp 1, and the other end is obliquely hinged to the second square tube 5 via a pipe head clamp 2, a U-shaped hinge 3, a multi-link hinge 8, and a strong clamp 1; or one end of the fifth square tube 9 is obliquely hinged to the fourth square tube 7 via two strong clamps 1 and two U-shaped hinges 3, and the other end is obliquely hinged to the second square tube 5 via a pipe head clamp 2, a U-shaped hinge 3, a multi-link hinge 8, and a strong clamp 1. The two U-shaped hinges 3 are also hinged together by a fourth locking bolt 28.

[0048] In some optional embodiments, the multi-joint hinge 8 is an angled plate structure with multiple hinge points (multiple hinge holes) for hinged to the U-shaped hinge 3 or the strong clamp 1.

[0049] In some alternative embodiments, one or more pipe clamps 2 can be locked and fixed to the first wall plate 111 in several directions of the high-strength clamp 1, thereby realizing connection joints with different combinations such as two-way, three-way, four-way, five-way, and six-way.

[0050] One or more U-shaped hinges 3 can be locked and fixed to the first wall panel 11 in several directions of the strong clamp 1, thereby achieving connection in different directions.

[0051] like Figure 1 , Figures 14-15As shown, in some optional embodiments, the third-party tube 6 and the fourth-party tube 7 are inclined rods. The two ends of the third-party tube 6 are respectively fixed with tube head clamps 2 and U-shaped hinges 3. One end is hinged to the strong clamp 1 and U-shaped hinge 3 fixed on the first square tube 4, and the other end is hinged to the strong clamp 1 and U-shaped hinge 3 fixed on the second square tube 5, so as to realize the inclined support of the third-party tube 6. The fourth square tube 7 is provided with strong clamps 1 and U-shaped hinges 3 at multiple positions in the middle. The U-shaped hinges 3 at multiple positions of the fourth square tube 7 are hinged to the corresponding strong clamps 1 / tube head clamps 2 fixed with the U-shaped hinges 3, so as to realize the inclined support of the fourth square tube 7.

[0052] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

Claims

1. A prefabricated square tube support, characterized in that: An assembled square tube support is provided, consisting of multiple first square tubes (4), second square tubes (5), third square tubes (6), and fourth square tubes (7) of the same or different specifications, connected by a strong clamp (1), a pipe head clamp (2), and a U-shaped hinge (3). The multiple parallel first square tubes (4) are vertically connected by second square tubes (5). The first square tubes (4) and the second square tubes (5) are vertically connected by a strong clamp (1) and a pipe head clamp (2). The two ends of the third square tube (6) are inclinedly hinged to the first square tubes (4) and the second square tubes (5) by the pipe head clamp (2), the U-shaped hinge (3), and the strong clamp (1). The fourth square tube (7) is inclinedly hinged to the end of the first square tube (4) by the strong clamp (1) and the U-shaped hinge (3).

2. The assembled square tube support according to claim 1, characterized in that: The inner side of the strong clamp (1) is attached to the outer surface of the first square tube (4), the end of the second square tube (5) is connected to the pipe head clamp (2), and one or more of the pipe head clamps (2) are attached to the side of the strong clamp (1) and connected to the strong clamp (1).

3. The assembled square tube support according to claim 2, characterized in that: The strong clamp (1) is composed of a "C" shaped clamp (11), a first semi-circular pressure strip (12), and a first strong pad (13). The "C" shaped clamp (11) is a rectangular frame structure composed of four first wall panels (111) with 90-degree bends. The two ends of the open surface of the rectangular frame structure extend to form a double-layered overlapping structure of the first semi-circular ear plate (113). The ends of the two first semi-circular ear plates (113) form a first teardrop-shaped circle (114). A first semi-circular ear plate through hole (116) is opened on the first semi-circular ear plate (113). A first semi-circular pressure strip (12) is placed on the inner arc of each of the two first semi-circular ear plates (113). A first semi-circular pressure strip through hole (121) is opened on the first semi-circular pressure strip (12). A first strong pad (13) is embedded between the two first semi-circular ear plates (113). The two opposite first strong pads (13) The side is concave to form a first circular groove (131), and the first circular groove (131) has a first strong pad through hole (134). The other two sides are flat, and threaded holes (133) are opened on the flat. The strong clamp (1) is installed in close contact with the first square tube (4). The first locking bolt (14) passes through the two symmetrically arranged first semi-circular ear plate through holes (116) and two first semi-circular pressure strip through holes (121), and passes through the first strong pad through hole (134) in the middle to connect with the first nut (15).

4. The assembled square tube support according to claim 3, characterized in that: The pipe clamp (2) is composed of a box-shaped clamp (21), a second semi-circular pressure strip (22), and a second strong pad (23). The box-shaped clamp (21) is an open box formed by splicing a rectangular frame structure composed of four 90-degree bent second wall panels (211) and a base plate (212). The two ends of the open surface of the rectangular frame structure extend to form a double-layer overlapping structure of the second semi-circular ear plate (214). The ends of the two second semicircular ear plates (214) form a second teardrop-shaped circle (215). A second semicircular ear plate through hole (217) is opened on the second semicircular ear plate (214). A second semicircular pressure strip (22) is placed on the inner arc of each of the two second semicircular ear plates (214). A second semicircular pressure strip through hole (221) is opened on the two semicircular pressure strips (22). A second strong pad (23) is embedded between the two second semicircular ear plates (214). The two strong pads (23) have concave sides on opposite sides to form a second circular groove (231), and the other two sides are flat. The second circular groove (231) has a second strong pad through hole (233). The edge of the bottom plate (212) is connected to the second wall plate (211). The four corners where the second wall plate (211) is connected to the bottom plate (212) are provided with slots to facilitate deformation. The inner side of the box-shaped clamp (21) is fitted with the second square tube (5) for installation. The second locking bolt (24) passes through the two symmetrically arranged second semi-circular ear plate through holes (217) and two second semi-circular pressure strip through holes (221), and passes through the second strong pad through hole (233) in the middle to connect with the second nut (25).

5. The assembled square tube support according to claim 4, characterized in that: Each of the first wall panels (111) has a countersunk hole (112) in the middle position. The base plate (212) has a first groove (213). The first groove (213) has a first round hole (216) in the same number and position as the countersunk hole (112) of each of the first wall panels (111). When the pipe clamp (2) is installed in contact with the first wall panel (111), the countersunk tenon bolt (16) passes through the countersunk hole (112), the first round hole (216) and locks with the third nut (26) in sequence. When the pipe clamp (2) is installed in contact with the first strong pad (13), the third locking bolt (27) passes through the first round hole (216) and the threaded hole (133) of the first strong pad (13) and locks with the third nut (26).

6. The assembled square tube support according to claim 5, characterized in that: The countersunk hole (112) is provided with a locking notch (115), which is used to lock the countersunk tenon bolt (16) so that it cannot rotate.

7. The assembled square tube support according to claim 1, characterized in that: The third tube (6) and the fourth tube (7) are inclined support rods. The two ends of the third tube (6) are fixed with tube head clamps (2) and U-shaped hinges (3). The fourth tube (7) is provided with strong clamps (1) and U-shaped hinges (3) at multiple positions in the middle.

8. The assembled square tube support according to claim 1, characterized in that: The U-shaped hinge (3) includes an ear plate (31) and a transition mounting plate (32). The ear plates (31) and the transition mounting plate (32) on both sides are vertically connected to form a "U"-shaped structure. The transition mounting plate (32) is provided with a second groove (33). The second groove (33) is provided with a second round hole (34) corresponding to the countersunk hole (112) of each first wall panel (111) in terms of number and position. The ear plate (31) on each side is provided with a third round hole (35). When the U-shaped hinge (3) is installed against the side of the strong clamp (1), the countersunk tenon bolt (16) passes through the countersunk hole (112) and the second round hole (34) and is locked with the third nut (26). When the U-shaped hinge (3) is installed against the side of the pipe clamp (2), the third locking bolt (27) passes through the first round hole (216) and the second round hole (34) and is locked with the third nut (26).

9. A prefabricated square tube support according to claim 1, characterized in that: It also includes a fifth square tube (9), and multiple fifth square tubes (9) are connected between the second square tube (5) and the fourth square tube (7); one end of the fifth square tube (9) is inclinedly hinged to the fourth square tube (7) through a pipe head clamp (2), a U-shaped hinge (3) and a strong clamp (1), and the other end is inclinedly hinged to the second square tube (5) through a pipe head clamp (2), a U-shaped hinge (3) and a multi-link hinge (8) and a strong clamp (1); or one end of the fifth square tube (9) is inclinedly hinged to the fourth square tube (7) through a strong clamp (1) and a U-shaped hinge (3), and the other end is inclinedly hinged to the second square tube (5) through a pipe head clamp (2), a U-shaped hinge (3) and a multi-link hinge (8) and a strong clamp (1).

10. A prefabricated square tube support according to claim 9, characterized in that: The multi-joint hinge (8) is an angled plate structure with multiple hinge points for connecting with the U-shaped hinge (3) or the strong clamp (1).

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