A multi-directionally expandable active support structure and method of assembly thereof

Abstract

The present application relates to the technical field of support, aiming at solving the problems of insufficient expandability, adjustability and movability of temporary cradles or supports in the prior art, and providing a multi-directional expandable movable support structure and a combination method thereof; the multi-directional expandable movable support structure comprises a support basic body, a support expansion body, a slotted bottom beam and a connecting beam, and the support basic body and the support expansion body each comprise a base and a stand column mounted on the base; the multi-directional expandable movable support structure is divided into a heavy support structure, a medium support structure and a light support structure; the heavy support structure is arranged side by side with the support basic body and the support expansion body, and the slotted bottom beam and the connecting beam are connected between the support basic body and the support expansion body; the medium support structure is arranged side by side or in parallel with the support basic body and the support expansion body; and the light support structure is supported by the support basic body and the support expansion body alone; the support structure of the present application can be used as a support alone or combined into a support, and has high versatility and high bearing capacity.

Description

Technical Field

[0001] This invention relates to the field of stent technology, and more specifically, to a multi-directional expandable movable stent structure and its combination method. Background Technology

[0002] With the rapid development of my country's steel industry and the demand for large-span spaces in public events, large-span steel structure buildings, such as stadiums, are widely used. To accelerate on-site construction, the installation of large-span steel structure roofs often adopts the construction method of assembling entire sections of the ground and then hoisting or sliding them. Therefore, the erection of assembly jigs and supports has become a necessary measure, providing a stable support platform for ground assembly.

[0003] Due to the lack of standard design drawings, current construction often employs on-site welding of temporary lattice supports or single-tube bracing. While these methods allow for rapid assembly based on site requirements, they lack scalability and adjustability, limiting flexibility. Once welded, the size and shape of the lattice support are difficult to adjust, failing to adapt to changing needs during subsequent construction. Single-tube bracing has weak load-bearing capacity, making it difficult to meet load requirements under complex conditions. Constrained by the height-to-width ratio and stability clauses of scaffolding support platforms in the specifications, lattice support columns and single-tube braces often need to be welded to embedded parts, significantly restricting mobility. Summary of the Invention

[0004] The present invention aims to provide a multi-directional expandable movable support structure and its combination method to solve the problems of insufficient expandability, adjustability and mobility of temporary frames or supports commonly used in current engineering.

[0005] This invention is achieved using the following technical solution:

[0006] This invention provides a multi-directional expandable movable support structure, including a support base, a support extension, a slotted bottom beam, and a connecting beam. Both the support base and the support extension include a base and a column mounted on the base.

[0007] The multi-directional expandable movable support structure is divided into heavy-duty support structure, medium-duty support structure and light-duty support structure.

[0008] The heavy-duty support structure consists of a support base and a support extension arranged side by side, with the slotted bottom beam and the connecting beam connecting them to form a whole for support;

[0009] The medium-sized support structure consists of a support base and a support extension arranged side by side or in parallel, with the support base and the support extension providing common support.

[0010] The lightweight support structure provides separate support for the support base and the support extension.

[0011] As a preferred technical solution:

[0012] The basic structure of the support includes an I-shaped base and a first column. The I-shaped base includes two opposing first longitudinal beams connected by a first crossbeam. The first crossbeam is connected to the middle of the first longitudinal beam, and the first crossbeam and the two first longitudinal beams form an I-shape. The first column is perpendicular to the I-shaped base, and the bottom end of the first column is connected to the middle of the first crossbeam.

[0013] As a preferred technical solution:

[0014] The I-shaped base and the first column are made of wide-flange H-beams.

[0015] As a preferred technical solution:

[0016] The basic support structure also includes a first diagonal brace, one end of which is connected to the side of the first column, and the other end of which is connected to the first longitudinal beam.

[0017] As a preferred technical solution:

[0018] A first sealing plate is fixedly connected to the outer side of the first longitudinal beam.

[0019] As a preferred technical solution:

[0020] The bracket extension includes an inverted U-shaped base and a second column. The inverted U-shaped base includes two opposing second longitudinal beams, which are connected by a second crossbeam. The second crossbeam is connected to the end of the second longitudinal beam, and the second crossbeam and the two second longitudinal beams form an inverted U-shape. The second column is perpendicular to the inverted U-shaped base, and the bottom end of the second column is connected to the middle of the second crossbeam.

[0021] As a preferred technical solution:

[0022] The C-shaped base and the second column are made of wide-flange H-beams.

[0023] As a preferred technical solution:

[0024] The bracket extension also includes a second diagonal brace, one end of which is connected to the side of the second column, and the other end of which is connected to the second longitudinal beam.

[0025] As a preferred technical solution:

[0026] A second sealing plate is fixedly connected to the outer side of the second longitudinal beam.

[0027] As a preferred technical solution:

[0028] The first column is provided with a first connecting plate at its bottom end. The first connecting plate has an elongated hole and a round hole. The first column is connected to the I-shaped base through the first connecting plate. The first column is provided with a first cover plate at its top end. A first stiffening plate is connected between the first cover plate and the first column.

[0029] The bottom end of the second column is provided with a second connecting plate, which has an elongated hole and a round hole. The second column is connected to the C-shaped base through the second connecting plate. The top end of the second column is provided with a second cover plate, and a second stiffening plate is connected between the second cover plate and the second column.

[0030] As a preferred technical solution:

[0031] The slotted bottom beam includes a slotted bottom plate, a slotted top plate, a web plate, and a perforated end plate. The slotted bottom plate and the slotted top plate are arranged opposite to each other. Both the slotted bottom plate and the slotted top plate have strip-shaped slots. The slotted top plate also has multiple bolt holes. The two web plates are connected between the slotted bottom plate and the slotted top plate. The perforated end plate is located at the end and is connected to the ends of the slotted bottom plate, the slotted top plate, and the web plate. The perforated end plate also has bolt holes.

[0032] As a preferred technical solution:

[0033] The cross-section of the slotted bottom beam is II-shaped, and a row of bolt holes is arranged on both sides of the strip groove on the slotted top plate.

[0034] As a preferred technical solution:

[0035] The slotted bottom plate, the slotted top plate, the web plate, and the perforated end plate are made of steel plates and welded together to form the slotted bottom beam.

[0036] As a preferred technical solution:

[0037] In the heavy-duty support structure, the connecting beam connects the first column and the second column, and the slotted bottom beam connects the first connecting plate and the second connecting plate.

[0038] The present invention further provides a method for assembling a multi-directionally expandable movable support structure, comprising the following steps:

[0039] S1: Fabricate the basic support structure, support extension structure, slotted bottom beam, and connecting beam;

[0040] S2: Choose to use the main body of the stent and the extension body separately or in combination;

[0041] S3: When choosing to combine the bracket base and bracket extension, further select to install the slotted bottom beam;

[0042] S4: When choosing to combine the support base and the support extension, further select to install the connecting beam.

[0043] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0044] 1. The support structure of the present invention has simple structure of each component, few component cross sections, and convenient processing and connection, which can greatly improve production efficiency.

[0045] 2. The support structure of the present invention has only two basic components: the support base and the support extension. By selecting and equipping slotted bottom beams and connecting beams, multi-directional expansion can be easily achieved.

[0046] 3. The support structure of the present invention allows for easy large-scale movement of the base of the support structure on the ground through the slotted bottom beam and bolt holes; through the elongated and large circular holes for bolts on the connecting plate of the column, small-scale adjustment of the strong axis direction can be achieved during column installation; thus effectively avoiding common installation problems caused by machining precision in engineering; and ultimately achieving a movable effect of the support structure during the positioning and installation stage.

[0047] 4. The support structure of the present invention comprises a support base and a support extension, both of which are formed by bolting together two modules: a column and a base. The base, column, slotted bottom beam, and connecting beam are all standard parts. Combining the above features, the support structure can easily achieve standardized factory production and rapid modular installation on site.

[0048] 5. The support structure of the present invention uses wide-flange H-beams for both the base and the columns, and the slotted bottom beam is welded from multiple steel plates. Furthermore, the columns, base, and slotted bottom beam are all detachable independent units. Compared with traditional lattice supports, it has the advantages of convenient loading, large single transport capacity, and stackable transport.

[0049] 6. The support structure of the present invention has the characteristics of being able to be used individually, in rows, stacked, movable and matched, and multi-directionally combined. Compared with traditional lattice supports, it can be used as a support alone or combined into a support, with strong versatility and high load-bearing capacity.

[0050] 7. The support structure of the present invention has fewer components and uniform specifications, a large and high-strength base contact surface, simple connection nodes for each component, clear and direct force transmission at the nodes, high safety, and high feasibility of manufacturing. It can effectively shorten the processing period and reduce the cost of processing, manufacturing and installation. Attached Figure Description

[0051] Figure 1 This is a schematic diagram of the structure of the support base described in this invention.

[0052] Figure 2 This is an exploded view of the basic support structure described in this invention.

[0053] Figure 3 This is a schematic diagram of the structure of the stent extension body described in this invention.

[0054] Figure 4 This is an exploded view of the stent extension body described in this invention.

[0055] Figure 5 This is a schematic diagram of the slotted bottom beam described in this invention.

[0056] Figure 6 This is an exploded view of the slotted bottom beam described in this invention.

[0057] Figure 7 This is a schematic diagram of the connecting beam described in this invention.

[0058] Figure 8 This is a structural schematic diagram of one of the combination methods of the multi-directional expandable movable support structure described in this invention.

[0059] Figure 9 This is a schematic diagram of the second combination method of the multi-directional expandable movable support structure described in this invention.

[0060] Figure 10 This is a structural schematic diagram of the third combination method of the multi-directional expandable movable support structure described in this invention.

[0061] Figure 11 This is a schematic diagram of the fourth combination method of the multi-directional expandable movable support structure described in this invention.

[0062] Figure 12 This is a structural schematic diagram of the fifth combination method of the multi-directional expandable movable support structure described in this invention.

[0063] Icons: 1-Support base, 2-Support extension, 3-Slotted bottom beam, 4-Connecting beam, 5-I-shaped base, 6-First column, 7-First diagonal brace, 8-First sealing plate, 9-C-shaped base, 10-Second column, 11-Second diagonal brace, 12-Second sealing plate, 13-First connecting plate, 14-First cover plate, 15-First stiffening plate, 16-Oblong hole, 17-Large hole, 18-Second connecting plate, 19-Second cover plate, 20-Second stiffening plate, 21-Slotted bottom plate, 22-Slotted top plate, 23-Web plate, 24-Perforated end plate, 25-First longitudinal beam, 26-First transverse beam, 27-Second longitudinal beam, 28-Second transverse beam, 29-Strip groove. Detailed Implementation

[0064] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

[0065] Example 1

[0066] like Figures 1-12 As shown, this embodiment proposes a multi-directional expandable movable support structure, including a support base 1, a support extension 2, a slotted bottom beam 3, and a connecting beam 4.

[0067] Among them, such as Figure 1 and Figure 2 As shown, the basic support structure 1 includes an I-shaped base 5, a first column 6, and a first diagonal brace 7. The I-shaped base 5 includes two opposing first longitudinal beams 25, which are connected by a first transverse beam 26. The first transverse beam 26 is connected to the middle of the first longitudinal beams 25, forming an I-shape with the first transverse beam 26 and the two first longitudinal beams 25. The first column 6 is perpendicular to the I-shaped base 5, and its bottom end is connected to the middle of the first transverse beam 26. First diagonal braces 7 are respectively provided on both sides of the first column 6. One end of the first diagonal brace 7 is connected to the side of the first column 6, and the other end is connected to the first longitudinal beam 25. A first sealing plate 8 is fixedly connected to the outer side of the first longitudinal beam 25.

[0068] In this embodiment, the first longitudinal beam 25, the first cross beam 26, and the first column 6 are all made of wide-flange hot-rolled H-beams. The first longitudinal beam 25 and the first cross beam 26 are connected by welding, and the first column 6 and the first cross beam 26 are also connected by welding.

[0069] like Figure 3 and Figure 4 As shown, the bracket extension 2 includes a U-shaped base 9, a second column 10, and a second diagonal brace 11. The U-shaped base 9 includes two opposing second longitudinal beams 27 connected by a second crossbeam 28, which is connected to the end of the second longitudinal beams 27, forming a U-shape with the second crossbeam 28 and the two second longitudinal beams 27. The second column 10 is perpendicular to the U-shaped base 9, with its bottom end connected to the middle of the second crossbeam 28. Second diagonal braces 11 are provided on both sides of the second column 10, with one end connected to the side of the second column 10 and the other end connected to the second longitudinal beam 27. A second sealing plate 12 is fixedly connected to the outer side of the second longitudinal beam 27.

[0070] In this embodiment, the second longitudinal beam 27, the second cross beam 28, and the second column 10 are all made of wide-flange hot-rolled H-beams. The second longitudinal beam 27 and the second cross beam 28 are connected by welding, and the second column 10 and the second cross beam 28 are also connected by welding.

[0071] The first column 6 has a first connecting plate 13 at its bottom end, and the first connecting plate 13 has multiple elongated holes 16 and large holes 17. The first column 6 is connected to the I-shaped base 5 by the first connecting plate 13 and bolts. The first column 6 has a first cover plate 14 at its top end, and a first stiffening plate 15 is connected between the first cover plate 14 and the first column 6. The second column 10 has a second connecting plate 18 at its bottom end, and the second connecting plate 18 has multiple elongated holes 16 and large holes 17. The second column 10 is connected to the C-shaped base 9 by the second connecting plate 18 and bolts. The second column 10 has a second cover plate 19 at its top end, and a second stiffening plate 20 is connected between the second cover plate 19 and the second column 10.

[0072] like Figure 5 and Figure 6As shown, the slotted bottom beam 3 includes a slotted bottom plate 21, a slotted top plate 22, a web plate 23, and an open end plate 24. The slotted bottom plate 21 and the slotted top plate 22 are arranged opposite to each other. Both the slotted bottom plate 21 and the slotted top plate 22 have strip-shaped grooves 29. The slotted top plate 22 also has multiple bolt holes, with a row of bolt holes arranged on each side of the strip-shaped grooves 29. The open end plate 24 also has multiple bolt holes. The two web plates 23 are connected between the slotted bottom plate 21 and the slotted top plate 22. The cross-section of the slotted bottom beam 3 is I-shaped. The two open end plates 24 are respectively connected to the two ends of the slotted bottom plate 21, the slotted top plate 22, and the web plate 23.

[0073] In this embodiment, the slotted bottom plate 21, the slotted top plate 22, the web plate 23, and the perforated end plate 24 are all made of steel plates, and the slotted bottom beam 3 is welded from multiple steel plates. Since both the slotted bottom plate 21 and the slotted top plate 22 have strip-shaped grooves 29, and the slotted top plate 22 also has multiple bolt holes, and the slotted bottom beam 3 has an I-shaped cross-section, this structure facilitates the connection of the slotted bottom beam 3 to the connecting plate. The positions of the support base 1 and the support extension 2 relative to the slotted bottom beam 3 can be adjusted arbitrarily.

[0074] like Figure 7 As shown, the connecting beam 4 has end plates at both ends, and is used to connect the first column 6 and the second column 10. The connecting beam 4 is an optional accessory, configured according to the load-bearing capacity, structural combination, and working surface requirements.

[0075] The support base 1 and the support extension 2 can be used individually or in combination. The support base 1 and the support extension 2 can also be used in combination with the slotted bottom beam 3, and the support base 1 and the support extension 2 can also be used in combination with the slotted bottom beam 3 and the connecting beam 4.

[0076] like Figure 8 As shown, the support base 1 and the support extension 2 are arranged side by side and spaced apart. The first longitudinal beam 25 is parallel to the second longitudinal beam 27, and the first crossbeam 26 is arranged opposite to the second crossbeam 28. The second longitudinal beam 27 is set away from the support base 1 relative to the second crossbeam 28. At this time, the two first longitudinal beams 25 are respectively on the same straight line as the corresponding second longitudinal beam 27. The first connecting plate 13 and the second connecting plate 18 are connected by the slotted bottom beam 3, and the first column 6 and the second column 10 are connected by the connecting beam 4.

[0077] Or, such as Figure 9 As shown, the basic support body 1 and the support extension body 2 are arranged side by side and adjacent to each other. The first longitudinal beam 25 is parallel to the second longitudinal beam 27, and the first crossbeam 26 is arranged opposite to the second crossbeam 28. At this time, the two first longitudinal beams 25 are on the same straight line as the corresponding second longitudinal beams 27, and the ends of the two first longitudinal beams 25 abut against the second crossbeam 28.

[0078] Or, such as Figure 10 As shown, the basic support body 1 and the support extension body 2 are arranged side by side and adjacent to each other. The first longitudinal beam 25 is parallel to the second longitudinal beam 27, and the first crossbeam 26 and the second crossbeam 28 are on the same straight line. At this time, the outer side of one of the first longitudinal beams 25 abuts against the outer side of one of the second longitudinal beams 27. One side of the first connecting plate 13 is connected to the slotted bottom beam 3.

[0079] Or, such as Figure 11 As shown, the bracket extension 2 is arranged on one side of the first longitudinal beam 25, and the ends of the two second longitudinal beams 27 abut against the outside of the first longitudinal beam 25. One side of the first connecting plate 13 is connected to the slotted bottom beam 3.

[0080] Or, such as Figure 12 As shown, the support base 1 and the support extension 2 are arranged side by side and adjacent to each other. The first longitudinal beam 25 is parallel to the second longitudinal beam 27, and the first crossbeam 26 is arranged opposite to the second crossbeam 28. At this time, the two first longitudinal beams 25 are on the same straight line as the corresponding second longitudinal beams 27, and the ends of the two first longitudinal beams 25 abut against the ends of the two second longitudinal beams 27. The first connecting plate 13 and the second connecting plate 18 are connected by the slotted bottom beam 3, and the first column 6 and the second column 10 are connected by the connecting beam 4.

[0081] The above presents five possible combinations, but it is not limited to these five combinations. Different combinations can make the structure exhibit different forms, thereby adapting to different operating conditions.

[0082] The components of the multi-directional expandable movable support structure of the present invention can be combined in multiple directions, installed in an adjustable manner, and expanded into groups. By changing the placement and orientation of the support base 1 and the support extension 2 in the plane, and by selecting to install the slotted bottom beam 3 and / or connecting beam 4, the present invention can realize support structures with different combination forms.

[0083] In use, based on whether the support structure contains slotted bottom beams 3 and connecting beams 4, it can be divided into three categories: heavy-duty support structures (double anti-overturning with connecting beams and columns), medium-duty support structures (parallel anti-overturning with columns), and light-duty support structures (independent anti-overturning with columns). Therefore, depending on the requirements of the load-bearing capacity of the support structure in the application scenario, Figure 8 and Figure 12 The support structure shown is classified as a heavy-duty support structure. Figure 9 , Figure 10 and Figure 11 The displayed support structure is classified as a medium-sized support structure, while the support base 1 and support extension 2 used alone are classified as light-sized support structures.

[0084] In the laboratory setting, the support structure can be quickly fixed and the slotting direction can be arbitrarily adjusted by inserting the laboratory's own movable anchor bolts into the strip groove 29 of the slotted bottom beam 3. In addition, by manufacturing columns with different height modules, a single support body can serve as a support for the specimen and achieve a high-low fit.

[0085] On the engineering site, by combining the basic support body 1 and the support extension body 2 in different planes and extending the support extension body 2 along the horizontal and vertical directions, and by selecting the combination connection of the slotted bottom beam 3 and the connecting beam 4, the stability of the support structure itself can be achieved without fixing the support structure base, while adapting to different load-bearing requirements.

[0086] The above-mentioned combination methods for multi-directionally expandable movable support structures include:

[0087] S1: Construct the basic support body 1, the support extension body 2, the slotted bottom beam 3, and the connecting beam 4;

[0088] S2: The basic support body 1 and the support extension body 2 can be used individually or in combination;

[0089] S3: When choosing to combine the bracket base 1 and the bracket extension 2, further select to install the slotted bottom beam 3;

[0090] S4: When choosing to combine the bracket base 1 and the bracket extension 2, further select to install the connecting beam 4.

[0091] The method for manufacturing the support base 1 includes:

[0092] S1: Fabricate the first longitudinal beam 25 and the first transverse beam 26, and weld the first sealing plate 8 onto the first longitudinal beam 25;

[0093] S2: Assemble the first longitudinal beam 25 and the first transverse beam 26 and weld them into an I-shaped base 5;

[0094] S3: Fabricate the first column 6, and weld the first stiffening rib, the first cover plate 14 and the first connecting plate 13 to the first column 6;

[0095] S4: Place the first column 6 on the I-shaped base 5, and use high-strength bolts to adjust the position through the pre-made elongated holes 16 on the first connecting plate 13, and then fasten the first column 6 to the I-shaped base 5.

[0096] S5: Fabricate the first diagonal brace 7, assemble and weld the first diagonal brace 7 with the I-shaped base 5 and the first column 6 into one piece, and finally form the basic body of the support 1.

[0097] The method for manufacturing the support extension 2 includes:

[0098] S1: Fabricate the second longitudinal beam 27 and the second transverse beam 28, and weld the second sealing plate 12 onto the second longitudinal beam 27;

[0099] S2: Assemble the second longitudinal beam 27 and the second transverse beam 28 and weld them into an inverted base 9;

[0100] S3: Fabricate the second column 10, and weld the second stiffening rib, the second cover plate 19, and the second connecting plate 18 to the second column 10;

[0101] S4: Place the second column 10 on the C-shaped base 9, and use high-strength bolts to adjust the position through the pre-made elongated holes 16 on the second connecting plate 18, and then fasten the second column 10 to the C-shaped base 9.

[0102] S5: Fabricate the second diagonal brace 11, assemble and weld the second diagonal brace 11 with the C-shaped base 9 and the second column 10 into a whole, and finally form the bracket extension body 2.

[0103] The manufacturing method of the slotted bottom beam 3 includes:

[0104] S1: Cut out the bottom plate, and after grooving, form a grooved bottom plate 21; cut out the top plate, and after grooving and punching, form a grooved top plate 22; cut out the end plate, and after punching, form a perforated end plate 24.

[0105] S2: Fabricate two web plates 23, assemble and weld the web plates 23, slotted bottom plate 21, and slotted top plate 22 into an I-shaped cross-section steel beam;

[0106] S3: Weld the perforated end plate 24 to both ends of the I-shaped cross-section steel beam formed in the previous step to finally form the slotted bottom beam 3.

[0107] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A multi-directional expandable movable support structure, characterized in that: It includes a support base, a support extension, a slotted bottom beam, and a connecting beam. Both the support base and the support extension include a base and a column installed on the base. The multi-directional expandable movable support structure is divided into heavy-duty support structure, medium-duty support structure and light-duty support structure. The heavy-duty support structure consists of a support base and a support extension arranged side by side, with the slotted bottom beam and the connecting beam connecting them to form a whole for support; The medium-sized support structure consists of a support base and a support extension arranged side by side or in parallel, with the support base and the support extension providing common support. The lightweight support structure is provided by separate support for the support base and the support extension; The basic structure of the support includes an I-shaped base and a first column. The I-shaped base includes two opposing first longitudinal beams, which are connected by a first crossbeam. The first crossbeam is connected to the middle of the first longitudinal beam, and the first crossbeam and the two first longitudinal beams form an I-shape. The first column is perpendicular to the I-shaped base, and the bottom end of the first column is connected to the middle of the first crossbeam. The bracket extension includes an inverted U-shaped base and a second column. The inverted U-shaped base includes two opposing second longitudinal beams, which are connected by a second crossbeam. The second crossbeam is connected to the end of the second longitudinal beam, and the second crossbeam and the two second longitudinal beams form an inverted U-shape. The second column is perpendicular to the inverted U-shaped base, and the bottom end of the second column is connected to the middle of the second crossbeam.

2. The multi-directional expandable movable support structure according to claim 1, characterized in that: The basic support structure also includes a first diagonal brace, one end of which is connected to the side of the first column, and the other end of which is connected to the first longitudinal beam.

3. The multi-directional expandable movable support structure according to claim 1, characterized in that: The bracket extension also includes a second diagonal brace, one end of which is connected to the side of the second column, and the other end of which is connected to the second longitudinal beam.

4. The multi-directional expandable movable support structure according to claim 1, characterized in that: The first column is provided with a first connecting plate at its bottom end. The first connecting plate has an elongated hole and a round hole. The first column is connected to the I-shaped base through the first connecting plate. The first column is provided with a first cover plate at its top end. A first stiffening plate is connected between the first cover plate and the first column. The bottom end of the second column is provided with a second connecting plate, which has an elongated hole and a round hole. The second column is connected to the C-shaped base through the second connecting plate. The top end of the second column is provided with a second cover plate, and a second stiffening plate is connected between the second cover plate and the second column.

5. The multi-directional expandable movable support structure according to claim 1, characterized in that: The slotted bottom beam includes a slotted bottom plate, a slotted top plate, a web plate, and a perforated end plate. The slotted bottom plate and the slotted top plate are arranged opposite to each other. Both the slotted bottom plate and the slotted top plate have strip-shaped slots. The slotted top plate also has multiple bolt holes. The two web plates are connected between the slotted bottom plate and the slotted top plate. The perforated end plate is located at the end and is connected to the ends of the slotted bottom plate, the slotted top plate, and the web plate. The perforated end plate also has bolt holes.

6. The multi-directional expandable movable support structure according to claim 5, characterized in that: The cross-section of the slotted bottom beam is II-shaped, and a row of bolt holes is arranged on both sides of the strip groove on the slotted top plate.

7. The multi-directional expandable movable support structure according to claim 4, characterized in that: In the heavy-duty support structure, the connecting beam connects the first column and the second column, and the slotted bottom beam connects the first connecting plate and the second connecting plate.

8. A method for assembling a multi-directionally expandable movable support structure as described in any one of claims 1-7, characterized in that: Includes the following steps: S1: Fabricate the basic support structure, support extension structure, slotted bottom beam, and connecting beam; S2: Choose to use the main body of the stent and the extension body separately or in combination; S3: When choosing to combine the bracket base and bracket extension, further select to install the slotted bottom beam; S4: When choosing to combine the support base and the support extension, further select to install the connecting beam.

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