A green house building steel structure

Abstract

The present invention relates to the technical field of house construction, and discloses a green house construction steel structure, comprising a supporting column, a connecting piece and a cross beam, wherein the supporting column is provided with a connecting piece, cross beams are provided around the connecting piece, the supporting column comprises a bottom column and a top column, snap-in holes are provided around the outer sides of the bottom column and the top column, and the upper part of the bottom column is positioned and fixed with the lower part of the top column through the connecting piece; the present invention firstly performs position-limiting and fixing assembly on the bottom column and a plurality of cross beams through the connecting piece, and then synchronously locks the bottom column and the plurality of cross beams while adding the top column to the assembly, and the locking piece locks the position of the top column after the top column is assembled, so that the bottom column, a plurality of cross beams and the top column can be quickly matched and locked and connected without manual welding, thereby greatly improving the work efficiency, and the stability of the connection is guaranteed due to the interlocking snap-on assembly method.

Description

Technical Field

[0001] The invention relates to the technical field of house construction, in particular to a green house construction steel structure. Background Art

[0002] Green steel structure house building refers to a building that uses steel structure as the main load-bearing structure and minimizes the impact on the environment during the design, construction, use and demolition process while improving the efficiency of resource utilization.

[0003] The beams and columns in the building steel structure are important components of the building skeleton. They not only determine the shape and size of the building, but also directly affect the safety and durability of the building. At present, the beams and columns of steel structures are generally rigidly connected by bolts or welding, which requires workers to climb high to connect the beams and columns, which lacks safety. When connecting beams and columns by welding or bolts, they need to be connected and fixed at multiple positions in turn, and cannot be quickly locked and fixed at one time, which reduces the processing efficiency. Summary of the invention

[0004] Technical problem to be solved: The green house building steel structure provided by the present invention can solve the difficult problems pointed out in the above background technology.

[0005] Technical solution: To achieve the above purpose, the present invention adopts the following technical solution: a green house building steel structure, including a support column, a connecting piece and a cross beam, wherein a connecting piece is arranged in the middle of the support column, and cross beams are arranged around the connecting piece;

[0006] The support column comprises a bottom column and a top column. The bottom column and the top column are provided with snap-in holes around their outer sides. The upper part of the bottom column is positioned and fixed with the lower part of the top column through a connecting piece.

[0007] The connecting piece includes a rectangular block, an upper hole matching with the lower part of the top column is opened in the middle of the upper end surface of the rectangular block, and a lower hole matching with the upper part of the bottom column is opened in the middle of the lower end surface of the rectangular block. The upper hole and the lower hole are connected to each other. The middle of the outer side of the rectangular block is provided with a positioning and fixing piece. The crossbeam is connected to the bottom column and the top column through the positioning piece. The upper end surface of the rectangular block is also symmetrically provided with a locking piece.

[0008] Furthermore, the positioning member includes a supporting groove, and a supporting groove of a rectangular structure is opened in the middle of the outer side of the rectangular block, and a mounting hole connected to the lower hole is also opened in the middle of the supporting groove.

[0009] Furthermore, an elastic clamping rod is arranged in the installation hole, and long holes connected with the lower hole are symmetrically opened on both sides of the elastic clamping rod.

[0010] Furthermore, the elastic clamping rod includes a fixed cylinder, which is welded and fixed in the mounting hole, a moving rod is slidably arranged on the inner wall of the fixed cylinder, an extrusion spring is arranged between the fixed cylinder and the moving rod, a sliding guide block is installed at the end of the moving rod away from the fixed cylinder, the sliding guide block is a semi-spherical structure, a pull rope is installed at the middle of the end surface of the moving rod close to the extrusion spring, a through hole one is opened on the side of the fixed cylinder away from the moving rod, and a through hole two connected to the through hole one is opened on the lower end surface of the rectangular block, and the pull rope extends along the through hole one and the through hole two to the outside of the rectangular block.

[0011] Furthermore, the bottom column and the top column are both quadrangular prism structures, a matching groove is provided at the upper end of the bottom column, and the top column is a stepped quadrangular prism structure with a lower dimension smaller than an upper dimension, and the lower dimension of the top column matches the dimension of the matching groove.

[0012] Furthermore, the lower end surface of the top column is symmetrically provided with T-shaped limit grooves near the surrounding side surfaces, and the upper end surface of the bottom column is surrounded by vertical holes corresponding to the T-shaped limit grooves, and the vertical holes are connected inside and outside.

[0013] Furthermore, the crossbeam is in a U-shaped shape, the size of the crossbeam matches the size of the support groove, a rib plate is installed on the side of the inner wall of the crossbeam close to the rectangular block, a T-shaped plate is symmetrically installed on the end face of the rib plate close to the rectangular block, and the T-shaped plate matches the corresponding long hole and T-shaped limit groove.

[0014] Furthermore, stabilizing plates are welded to the front and rear end surfaces of the top column, and circular locking holes are provided on the upper end surfaces of the stabilizing plates.

[0015] Furthermore, the locking member includes a base, and the base is welded and fixed at the upper end surface of the rectangular block corresponding to the stabilizing plate. The upper end surface of the base is provided with a placement groove matching the stabilizing plate, and a pushing cavity is provided at the bottom of the placement groove. A sliding groove is longitudinally provided at the center position of the bottom of the pushing cavity, and clamping columns are symmetrically arranged in the sliding groove. The lower end of the clamping column is slidably connected to the inner wall of the sliding groove, and a restoring spring is arranged between the two clamping columns.

[0016] Furthermore, a pushing frame is slidably arranged in the pushing cavity, and the cross-section of the pushing frame is an isosceles trapezoidal ring structure. Two clamping columns are located in the hollow position of the pushing frame, and a limit block is arranged between the two clamping columns and below the restoring spring. The limit block is installed on the pushing frame, and a connecting rod is installed at the right end of the pushing frame. A handle block is installed on the end face of the connecting rod extending to the outside of the base.

[0017] Beneficial effects:

[0018] 1. The bottom column and multiple beams are first assembled with limit fixings through the connecting parts, and then the top column is added to the assembly and the bottom column and multiple beams are locked synchronously. The position of the top column is locked through the provided locking parts after the top column is assembled. Therefore, the bottom column, multiple beams and top column can be quickly matched and locked for connection without manual welding, which greatly improves the work efficiency. Due to the interlocking snap-on assembly method, the stability of the connection is guaranteed.

[0019] 2. The rectangular block is locked and fixed to the upper part of the bottom column by cooperating with the elastic clamping rod of the connecting piece and the lower hole. Then the crossbeam enters the support groove and cooperates with the long hole and the vertical hole to perform longitudinal limit support and fixation on the crossbeam. Finally, during the process of inserting the top column into the upper hole, it cooperates with the matching groove and the elastic clamping rod to perform a limit fixation. At the same time, the T-shaped plate on the crossbeam is synchronously locked through the set T-shaped limit groove, so that the connecting piece, the bottom column and multiple crossbeams are automatically locked during the assembly of the top column, and no manual welding is required.

[0020] 3. Through the cooperation of the handle block, the connecting rod and the pushing frame, the top column can be quickly locked or disassembled for a second time. The limit block is set to improve the stability of the column limit, which improves the assembly efficiency and ensures the stability of the assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present invention.

[0022] Figure 2 For the present invention Figure 1 A magnified view of.

[0023] Figure 3 It is a left side sectional view of the present invention.

[0024] Figure 4 For the present invention Figure 3 B is an enlarged view of .

[0025] Figure 5 For the present invention Figure 3 CC section view.

[0026] Figure 6 For the present invention Figure 3 DD section view.

[0027] Figure 7 For the present invention Figure 6 E magnified view.

[0028] Figure 8 For the present invention Figure 3 F magnified view

[0029] Fig. 9It is a schematic cross-sectional structural diagram of the connecting piece of the present invention.

[0030] Fig.10 It is a structural schematic diagram of the top column of the present invention.

[0031] Fig.11 It is a structural schematic diagram of the bottom column of the present invention.

[0032] Fig.12 It is a structural schematic diagram of the crossbeam of the present invention.

[0033] In the figure: 1. support column; 11. bottom column; 111. matching groove; 12. top column; 13. snap-in hole; 121. T-shaped limit groove; 122. vertical hole; 123. stabilizing plate; 124. round lock hole; 2. connecting piece; 21. rectangular block; 22. upper hole; 23. lower hole; 24. snap-in piece; 241. support groove; 242. long hole; 25. locking piece; 251. base; 252. push cavity; 253. snap-in column; 254. restoring spring; 255. pushing frame; 256. limit block; 257. connecting rod; 258. handle block; 26. elastic snap-in rod; 261. fixing cylinder; 262. moving rod; 263. extrusion spring; 264. sliding guide block; 3. crossbeam; 31. rib plate; 32. T-shaped plate. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] See also Figure 1 The present invention provides a technical solution: a green house building steel structure, comprising a support column 1, a connecting member 2 and a cross beam 3, wherein the support column 1 is provided with the connecting member 2, and the connecting member 2 is provided with cross beams 3 around it.

[0036] See also Figure 1 , Figure 3 , Figure 8 , Fig. 9In this embodiment, the support column 1 includes a bottom column 11 and a top column 12, and the connecting member 2 includes a rectangular block 21. An upper hole 22 that matches the lower part of the top column 12 is opened in the middle of the upper end surface of the rectangular block 21, and a lower hole 23 that matches the upper part of the bottom column 11 is opened in the middle of the lower end surface of the rectangular block 21. The upper hole 22 and the lower hole 23 are connected to each other, and a clamping member 24 for positioning and fixing the support column 1, the connecting member 2 and the cross beam 3 is arranged in the middle of the outer periphery of the rectangular block 21. The cross beam 3 is connected to the bottom column 11 and the top column 12 through the clamping member 24. The upper end surface of the rectangular block 21 is also symmetrically provided with a locking member 25; the clamping member 24 includes a supporting groove 241, and a supporting groove 241 of a rectangular structure is opened in the middle of the outer periphery of the rectangular block 21. The middle of the supporting groove 241 is also opened with a mounting hole 23 that is connected to the lower hole 23. Mounting hole; an elastic clamping rod 26 is arranged in the mounting hole, and long strip holes 242 connected with the lower hole 23 are symmetrically opened on both sides of the elastic clamping rod 26; the elastic clamping rod 26 comprises a fixed cylinder 261, the fixed cylinder 261 is welded and fixed in the mounting hole, a moving rod 262 is slidably arranged on the inner wall of the fixed cylinder 261, an extrusion spring 263 is arranged between the fixed cylinder 261 and the moving rod 262, a sliding guide block 264 is installed at one end of the moving rod 262 away from the fixed cylinder 261, the sliding guide block 264 is a semi-spherical structure, a pull rope is installed at the middle part of the end face of the moving rod 262 close to the extrusion spring 263, a through hole 1 is opened on the side of the fixed cylinder 261 away from the moving rod 262, a through hole 2 connected with the through hole 1 is opened on the lower end face of the rectangular block 21, and the pull rope extends to the outside of the rectangular block 21 along the through hole 1 and the through hole 2.

[0037] See also Figure 3 , Fig.10 , Fig.11In this embodiment, the bottom column 11 and the top column 12 are both quadrangular prism structures. A matching groove 111 is provided at the upper end of the bottom column 11. The top column 12 is a stepped quadrangular prism structure whose lower size is smaller than the upper size. The lower size of the top column 12 matches the size of the matching groove 111. The bottom column 11 and the top column 12 are both provided with snap-in holes 13 at positions corresponding to the sliding guide block 264. The upper part of the bottom column 11 is positioned and fixed to the lower part of the top column 12 by an elastic snap rod 26. When working, the moving rod 262 is moved into the fixed cylinder 261 by pulling the pull rope, and then the lower hole 23 of the rectangular block 21 is fitted on the upper part of the bottom column 11. The upper part of the bottom column 11 will contact the sliding guide block 264 in the process of entering the lower hole 23, and move into the fixed cylinder 261 through the sliding guide block 264 to squeeze the spring 263. The extrusion is performed, and as the upper part of the bottom column 11 continues to enter the lower hole 23 and fully cooperates with the upper part of the bottom column 11, the moving rod 262 corresponds to the snap-in hole 13 on the bottom column 11, and the moving rod 262 passes through the snap-in hole 13 under the elastic action of the extrusion spring 263, and the rectangular block 21 is positioned and fixed on the upper part of the bottom column 11. By stretching and cooperating with the sliding guide block 264, there is no need to pull the moving rod 262 completely into the fixed tube 261, which saves pulling force and ensures that the moving rod 262 can smoothly enter the snap-in hole 13 for positioning.

[0038] See also Fig. 9 , Fig.10 , Fig.11 , Fig.12In this embodiment, the cross beam 3 is in a circular shape, and the size of the cross beam 3 matches the size of the support groove 241. A rib plate 31 is installed on the side of the inner wall of the cross beam 3 close to the rectangular block 21. The rib plate 31 enhances the strength of the installation end and improves stability. A T-shaped plate 32 is symmetrically installed on the end surface of the rib plate 31 close to the rectangular block 21. The lower end surface of the top column 12 is symmetrically provided with T-shaped limit grooves 121 near the surrounding side positions. The upper end surface of the bottom column 11 is provided with vertical holes 122 corresponding to the T-shaped limit grooves 121. The vertical holes 122 are connected inside and outside, and the T-shaped plate 32 matches the corresponding long strip hole 242 and the T-shaped limit groove 121. During operation, after the rectangular block 21 is positioned and fixed on the upper part of the bottom column 11, the mounting end of the cross beam 3 is inserted into the support groove 241 of the rectangular block 21, and the rectangular block 21 is limited and supported and fixed by the support groove 241, and at the same time, the T-shaped plate 32 is driven to move and enter the long hole 242 and the vertical hole 122 in turn, and the position of the cross beam 3 is stably locked by the T-shaped plate 32 to reduce shaking; when the cross beams 3 on all sides are fixedly installed, the pull rope is pulled to make the moving part of the moving rod 262 enter the fixing tube 261, and the lower part of the top column 12 is inserted into the upper hole 22 of the rectangular block 21, and then the top column 12 is continuously moved downward so that the top column 12 The lower part of the top column 12 enters the matching groove 111 of the bottom column 11, so that the lower part of the top column 12 is matched with the upper part of the bottom column 11, and the moving rod 262 extending into the matching groove 111 is inserted into the snap-in hole 13 at the lower part of the top column 12, so that the top column 12 and the bottom column 11 are stably locked, and the T-shaped limit groove 121 at the lower end of the top column 12 is matched and engaged with the T-shaped plate 32 during the downward movement to lock the position of the T-shaped plate 32, thereby fixing and locking the bottom column 11, the locking piece 24 and the multiple cross beams 3 in an interlocking manner. Only after the pull rope is pulled to unlock and the top column 12 is pulled out, can the unlocking and decomposition be achieved one by one.

[0039] See also Figure 2 , Figure 4 , Figure 5 , Figure 6 , Figure 7In this embodiment, the front and rear end surfaces of the top column 12 are welded with stabilizing plates 123, and the upper end surface of the stabilizing plate 123 is provided with a circular lock hole 124. The locking member 25 includes a base 251. The upper end surface of the rectangular block 21 is welded and fixed with the base 251 at a position corresponding to the stabilizing plate 123. The upper end surface of the base 251 is provided with a placement groove that matches the stabilizing plate 123. A push cavity 252 is provided at the bottom of the placement groove. A sliding groove is longitudinally provided at the center of the bottom of the pushing cavity 252. A clamping column 253 is symmetrically arranged in the sliding groove. The lower end of the clamping column 253 is locked with the inner end of the sliding groove. The wall is connected by sliding, and a restoring spring 254 is arranged between the two clamping columns 253; a pushing frame 255 is slidably arranged in the pushing cavity 252, and the pushing frame 255 is an annular structure with an isosceles trapezoidal cross-section. The two clamping columns 253 are located in the hollow position of the pushing frame 255, and a limiting block 256 is arranged between the two clamping columns 253 and below the restoring spring 254. The limiting block 256 is installed on the pushing frame 255, and a connecting rod 257 is installed at the right end of the pushing frame 255. The connecting rod 257 extends to the end face of the outer side of the base 251 and a handle block 258 is installed. During operation, the connecting rod 257 is driven to move toward the outside of the pushing cavity 252 by pulling the handle block 258, and the pushing frame 255 is driven to move at the same time. Due to the structure of the pushing frame 255, as the pushing frame 255 moves, the lower parts of the two clamping columns 253 will be squeezed against each other, so that the two clamping columns 253 move toward each other in the sliding groove, so that the top column 12 is inserted into the matching groove 111 to lock the bottom column 11 and multiple cross beams 3, and at the same time, the stabilizing plate 123 moves downward and cooperates with the convex and concave of the placement groove for positioning, so that the round hole can be smoothly installed on the lower outer part of the two clamping columns 253 that are close to each other.

[0040] When the installation is completed, the handle block 258, the connecting rod 257, and the pushing frame 255 are restored to their original positions. Under the elasticity of the restoration spring 254, the two clamping columns 253 are driven to move away from each other. At the same time, the pushing frame 255 is restored to its original position to drive the limit block 256 to move between the lower parts of the two clamping columns 253, and the position of the clamping column 253 is locked to maintain the stability of the installation of the top column 12. The top column 12, the bottom column 11 and the multiple beams 3 can be automatically locked only by insertion, thereby ensuring the stability of the installation between the top column 12, the bottom column 11 and the multiple beams 3, and there is no need for manual multi-position welding and screw assembly, which greatly improves the work efficiency.

[0041] During specific operation, by pulling the pull rope, the moving rod 262 moves into the fixed cylinder 261, which facilitates the bottom column 11 to enter the lower hole 23, and then the lower hole 23 of the rectangular block 21 is sleeved on the upper part of the bottom column 11. When the bottom column 11 enters the position of the sliding guide block 264, the pull rope can be released. The upper part of the bottom column 11 will contact the sliding guide block 264 during the process of entering the lower hole 23, and the sliding guide block 264 moves into the fixed cylinder 261 to squeeze the extrusion spring 263. As the upper part of the bottom column 11 continues to enter the lower hole 23 and fully cooperates with the bottom column 11, the moving rod 262 and the card on the bottom column 11 The movable rod 262 is passed through the card-insertion hole 13 under the elastic action of the extrusion spring 263, and the rectangular block 21 is positioned and stably fixed on the upper part of the bottom column 11. Then, the installation end of the cross beam 3 is inserted into the support groove 241 of the rectangular block 21, and at the same time, the T-shaped plate 32 is driven to move and enter the long hole 242 and the vertical hole 122 in turn. The position of the cross beam 3 is stably locked by the T-shaped plate 32 to reduce shaking; when the cross beams 3 on all sides are fixedly installed, the moving part of the movable rod 262 is pulled into the fixed cylinder 261 by pulling the pull rope, and the lower part of the top column 12 is inserted into the upper hole 22 of the rectangular block 21. Then continue to move downward so that the lower part of the top column 12 enters the matching groove 111 of the bottom column 11, so that the lower part of the top column 12 is matched with the upper part of the bottom column 11, and the moving rod 262 extending into the matching groove 111 is inserted into the snap-in hole 13 at the lower part of the top column 12, so that the top column 12 and the bottom column 11 are stably locked, and the T-shaped limit groove 121 at the lower end of the top column 12 is matched with the T-shaped plate 32 during the downward movement to lock the position of the T-shaped plate 32, so that the bottom column 11, the locking piece 24 and the multiple cross beams 3 are interlocked and fixedly locked. Only after the pull rope is pulled to unlock and the top column 12 is pulled out, can the top column 12 be pulled out. The unlocking and disassembly are realized one by one; before preparing to install the top column 12, the connecting rod 257 is driven to move to the outside of the pushing cavity 252 by pulling the handle block 258, and the pushing frame 255 is driven to move at the same time. Due to the structure of the pushing frame 255, as the pushing frame 255 moves, the lower parts of the two clamping columns 253 are squeezed against each other, so that the two clamping columns 253 move toward each other in the sliding groove, so that the top column 12 is inserted into the matching groove 111 to match and lock the bottom column 11 and multiple beams 3, and at the same time, the stabilizing plate 123 moves down and matches the placement groove concave and convex to position, so that the round hole is smoothly sleeved on the lower outer part of the two clamping columns 253 close to each other;When the installation is completed, the handle block 258, the connecting rod 257, and the pushing frame 255 are restored to their original positions. Under the elasticity of the restoring spring 254, the two clamping columns 253 are driven to move in opposite directions. At the same time, the pushing frame 255 is restored to its original position to drive the limit block 256 to move between the lower parts of the two clamping columns 253, and the position of the clamping column 253 is locked, so that the stability of the installation of the top column 12 can be ensured. The top column 12, the bottom column 11 and the multiple beams 3 can be automatically locked by simply inserting, ensuring the stability of the installation between the top column 12, the bottom column 11 and the multiple beams 3, and no manual multi-position welding and screw assembly method are required, which greatly improves the work efficiency. ;

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A green house building steel structure, comprising a support column (1), a connecting piece (2) and a crossbeam (3), characterized in that: The support column (1) is provided with a connecting piece (2), and cross beams (3) are provided around the connecting piece (2); The support column (1) comprises a bottom column (11) and a top column (12); snap-in holes (13) are provided around the outside of the bottom column (11) and the top column (12); the upper part of the bottom column (11) is positioned and fixed with the lower part of the top column (12) via a connecting piece (2); The connecting member (2) comprises a rectangular block (21), an upper hole (22) cooperating with the lower part of the top column (12) is provided in the middle of the upper end surface of the rectangular block (21), a lower hole (23) cooperating with the upper part of the bottom column (11) is provided in the middle of the lower end surface of the rectangular block (21), the upper hole (22) and the lower hole (23) are communicated with each other, and a clamping member (24) for positioning and fixing the support column (1), the connecting member (2) and the cross beam (3) is provided in the middle of the outer periphery of the rectangular block (21), the cross beam (3) is connected to the bottom column (11) and the top column (12) through the clamping member (24), and a locking member (25) is also symmetrically provided on the upper end surface of the rectangular block (21); The clamping member (24) comprises a supporting groove (241), and a supporting groove (241) of a rectangular structure is provided in the middle of the outer sides of the rectangular block (21), and a mounting hole connected to the lower hole (23) is also provided in the middle of the supporting groove (241); An elastic clamping rod (26) is arranged in the installation hole, and long holes (242) connected to the lower hole (23) are symmetrically opened on both sides of the elastic clamping rod (26); The elastic clamping rod (26) comprises a fixed cylinder (261), the fixed cylinder (261) is welded and fixed in the installation hole, a moving rod (262) is slidably arranged on the inner wall of the fixed cylinder (261), a pressing spring (263) is arranged between the fixed cylinder (261) and the moving rod (262), a sliding guide block (264) is installed at one end of the moving rod (262) away from the fixed cylinder (261), the sliding guide block (264) is a semi-spherical structure, a pull rope is installed at the middle of the end surface of the moving rod (262) close to the pressing spring (263), a through hole 1 is opened on the side of the fixed cylinder (261) away from the moving rod (262), a through hole 2 connected to the through hole 1 is opened on the lower end surface of the rectangular block (21), and the pull rope extends along the through hole 1 and the through hole 2 to the outside of the rectangular block (21).

2. A green building steel structure according to claim 1, characterized in that: The bottom column (11) and the top column (12) are both quadrangular prism structures. A matching groove (111) is provided at the upper end of the bottom column (11). The top column (12) is a stepped quadrangular prism structure with a lower dimension smaller than an upper dimension. The lower dimension of the top column (12) matches the dimension of the matching groove (111).

3. A green house building steel structure according to claim 2, characterized in that: The lower end surface of the top column (12) is symmetrically provided with T-shaped limiting grooves (121) near the surrounding side surfaces, and the upper end surface of the bottom column (11) is provided with vertical holes (122) corresponding to the T-shaped limiting grooves (121) on all sides, and the vertical holes (122) are connected inside and outside.

4. The green building steel structure according to claim 1 is characterized by: The cross beam (3) is in a circular shape, and the size of the cross beam (3) matches the size of the support groove (241). A rib plate (31) is installed on the inner wall of the cross beam (3) on one side close to the rectangular block (21), and a T-shaped plate (32) is symmetrically installed on the end face of the rib plate (31) away from the cross beam (3). The T-shaped plate (32) matches the corresponding long strip hole (242) and the T-shaped limit groove (121).

5. The green building steel structure according to claim 1 is characterized by: Stabilizing plates (123) are welded to both the front and rear end surfaces of the top column (12), and round locking holes (124) are provided on the upper end surfaces of the stabilizing plates (123).

6. A green house building steel structure according to claim 5, characterized in that: The locking member (25) comprises a base (251), the base (251) being welded and fixed at a position on the upper end surface of the rectangular block (21) corresponding to the stabilizing plate (123), a placement groove matching the stabilizing plate (123) being provided on the upper end surface of the base (251), a push cavity (252) being provided at the bottom of the placement groove, a sliding groove being longitudinally provided at the center position of the bottom of the pushing cavity (252), a clamping column (253) being symmetrically arranged in the sliding groove, the lower end of the clamping column (253) being slidably connected to the inner wall of the sliding groove, and a restoring spring (254) being provided between the two clamping columns (253).

7. A green building steel structure according to claim 6, characterized in that: A pushing frame (255) is slidably disposed in the pushing cavity (252). The pushing frame (255) is an annular structure with an isosceles trapezoidal cross section. Two clamping columns (253) are located in a hollow position of the pushing frame (255). A limit block (256) is disposed between the two clamping columns (253) and below the restoring spring (254). The limit block (256) is mounted on the pushing frame (255). A connecting rod (257) is mounted on the right end of the pushing frame (255). A handle block (258) is mounted on the end surface of the connecting rod (257) extending to the outside of the base (251).

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