CN116025069A

CN116025069A - Supporting steel structure

Info

Publication number: CN116025069A
Application number: CN202310153329.0A
Authority: CN
Inventors: 廖红兵; 刘雄; 刘秀桃
Original assignee: Shenzhen Xuanke Hardware Technology Co ltd
Current assignee: Shenzhen Xuanke Hardware Technology Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-04-28

Abstract

The application discloses a support steel structure relates to steel building technical field. The application comprises the following steps: a support column and a bracket disposed on the support column; the clamping plate is constructed on the cross beam column and extends along the length direction of the cross beam column; the sliding arrangement is in the inserted column on the bracket and rotate the pivoted piece of setting on the bracket, pivoted piece and inserted column screw thread fit, be constructed with the spacing hole that is used for holding the inserted column on the crossbeam post. This application is through setting up the cooperation of loading face and draw-in groove on the bracket to can directly block the cardboard, and restrict the motion of crossbeam post under the effect of inserting the post, in order to realize being connected between crossbeam post and the support column, compare through welding or bolted connection's mode between current support column and the crossbeam, comparatively labour saving and time saving when connecting the connected mode of this design need not too many complicated processes, thereby reduced the time that whole steel construction consumed when putting up and dismantling on the whole.

Description

Supporting steel structure

Technical Field

The application relates to the technical field of steel construction, in particular to a supporting steel structure.

Background

The steel structure building is a building which is convenient to construct and environment-friendly, is usually used for temporary buildings or buildings with shorter service time, such as temporary workshops and the like, and is characterized in that the building speed is high, the disassembly speed is also high, the core framework structure of the steel structure mainly comprises supporting columns and beam columns, in the prior art, the connecting system between the supporting columns and the beam columns is usually in bolted connection, and sometimes in order to ensure the firm effect of the connecting part, welding is also adopted, but no matter welding or bolting is adopted, the welding or bolting is time-consuming and labor-consuming during the connection, and more time is easy to consume, thereby causing certain trouble to the building and the disassembly.

Disclosure of Invention

The purpose of the present application is: to solve the above-mentioned problems in the background art, the present application provides a supporting steel structure.

The application specifically adopts the following technical scheme for realizing the purposes:

a supporting steel structure comprising:

a support column and a bracket disposed on the support column;

the transverse beam column and the clamping plate which is constructed on the transverse beam column and extends along the length direction of the transverse beam column, and a bearing surface for bearing the transverse beam column and a clamping groove for accommodating the clamping plate are constructed on the bracket;

the sliding arrangement is in the inserted column on the bracket and rotate the pivoted piece of setting on the bracket, pivoted piece and inserted column screw thread fit, be constructed with the spacing hole that is used for holding the inserted column on the crossbeam post.

Further, the support column is connected with an inclined column, the bracket is in a transverse extending structure so as to form a first end and a second end, the first end of the bracket is connected with the support column, and the second end of the bracket is connected with the other end of the inclined column.

Further, the inclined column comprises an outer sleeve and an inner inserting rod which are in plug-in fit, one end of the outer sleeve is hinged with the supporting column, one end of the inner inserting rod is hinged with the second end of the bracket, the first end of the bracket is hinged with the supporting column, the plug-in end of the inner inserting rod is connected with a piston block through a first plug rod, and two ends of the plug-in end of the inner inserting rod are connected with the wall of the outer sleeve through springs.

Further, the piston block comprises a connecting block and stress blocks fixedly attached to two sides of the connecting block, the connecting block is connected with the first plug rod, the stress blocks are connected with springs, and the stress blocks are made of energy-absorbing materials.

Further, the support column is hinged with a first limiting rod, a sealing cavity extending along the length direction of the support column is formed in the support column, the outer sleeve is hinged with a second limiting rod, the free end of the second limiting rod is connected with a second plug rod, the second plug rod penetrates through the first limiting rod and is connected with a sliding plug positioned in the sealing cavity, the sealing cavity is divided into a first cavity and a second cavity, the stress block is attached to the inner wall of the outer sleeve to form a first oil cavity and a second oil cavity, and oil bodies are filled in the first oil cavity and the second oil cavity in a sealing mode and are communicated with the first cavity and the second cavity through guide pipes respectively.

Further, the second end of the bracket is slidably provided with a transverse shaft, the sliding track of the transverse shaft is arc-shaped, a fixing component for limiting the sliding of the transverse shaft is arranged, and one end of the inner inserting rod is in rotary fit with the transverse shaft.

Further, a plurality of pressing blocks are connected to the inserted column through a connecting rod mechanism, a spring assembly is connected between the connecting rod mechanism and the inserted column, the pressing blocks are mutually close under the action of the spring assembly, a pressing plate is constructed on the transverse beam column, and a supporting block for contacting the pressing plate is slidably arranged on the inserted column, and one position of the supporting block is contacted with the connecting rod mechanism.

Further, the crossbeam post includes two curb plates that are parallel arrangement and connects two the diaphragm between the curb plate, the diaphragm is used for contacting the loading surface, spacing hole structure is on the diaphragm, the cardboard is connected with the diaphragm, forge as an organic whole between curb plate, diaphragm and the cardboard and form.

Further, an acute angle is formed between the clamping plate and the side plate, the clamping groove is positioned below the bearing surface, and the height gradually increases from the notch to the groove depth.

Further, a portal frame is slidably arranged on the bracket and matched with the bearing surface to form a through area for accommodating the beam column, an inclined plane facing the inner side of the through area is formed on the portal frame and used for contacting the clamping plate, and the portal frame is in threaded fit with the rotating block.

The beneficial effects of this application are as follows:

1. this application makes the crossbeam post when the installation through setting up the loading surface on the bracket, can direct overlap joint on the bracket, and through the cooperation of the draw-in groove of structure on the bracket, thereby can directly block the cardboard, and under the cooperation of rotating block, thereby can directly drive the spliced pole and move in the spacing hole, thereby restrict the motion of crossbeam post, in order to realize being connected between crossbeam post and the support column, compare through welding or bolted connection's mode between current support column and the crossbeam, comparatively labour saving and time saving when connecting, need not too many complicated processes, thereby whole steel construction has reduced the time that the whole steel construction consumed when putting up and dismantling.

2. This application passes through the setting of sloping post to through the connection between with the bracket, thereby the cooperation support column can constitute a triangle-shaped structure, thereby improved the firm effect of bracket on the support column, thereby further improved the stable effect of crossbeam post installation on the support column, thereby effectually guaranteed whole steel building security.

3. This application passes through the cooperation of outer sleeve and interior inserted bar to under the connected action of spring, thereby when overall structure received vibrations, partial dynamics can be transmitted to whole batter post, and the spring can unload the dynamics of vibrations of a part, thereby each part of effectual protection.

Drawings

FIG. 1 is a perspective view of the present application;

FIG. 2 is a front view of FIG. 1 of the present application;

FIG. 3 is a side view of FIG. 1 of the present application;

FIG. 4 is a perspective view of a cross beam column of the present application;

FIG. 5 is a partial structural perspective view of the present application;

FIG. 6 is a split view of FIG. 5 in the present application;

FIG. 7 is a schematic diagram of the operation of the diagonal column of the present application;

FIG. 8 is a schematic view of the fit between the diagonal post and the first and second stop bars of the present application;

FIG. 9 is a schematic illustration of the engagement between the transverse shaft and the stationary assembly of the present application;

FIG. 10 is a further view of FIG. 9 of the present application;

FIG. 11 is a schematic illustration of the fit between the press block and the plunger in the present application;

FIG. 12 is a split view between partial structures in the present application;

reference numerals: 1. a support column; 2. a bracket; 3. a cross beam column; 4. a clamping plate; 5. a bearing surface; 6. a clamping groove; 7. inserting a column; 8. a rotating block; 9. a limiting hole; 10. a diagonal column; 11. a first end; 12. a second end; 13. an outer sleeve; 14. an inner insert rod; 15. a first stopper rod; 16. a piston block; 17. a spring; 18. a connecting block; 19. a stress block; 20. a first stop lever; 21. sealing the cavity; 22. a second limit rod; 23. a second stopper rod; 24. a sliding plug; 25. a first chamber; 26. a second chamber; 27. a first oil chamber; 28. a second oil chamber; 29. a horizontal axis; 30. a fixing assembly; 31. a link mechanism; 32. briquetting; 33. a spring assembly; 34. a pressing plate; 35. abutting blocks; 36. a side plate; 37. a cross plate; 38. a portal frame; 39. a through region; 40. an inclined plane; 41. penetrating the inserting rod; 42. bonding plates; 43. a bolt head.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.

As shown in fig. 1 to 5, a supporting steel structure according to an embodiment of the present application is used for a steel structure building, and the structure includes:

the support column 1 and the bracket 2 arranged on the support column 1 are consistent in function with the support column 1 in the prior art, and are used for playing a role in supporting in the vertical direction, and the bracket 2 can be fixed on the support column 1 or arranged on the support column 1 in a semi-movable mode, so that the integrity between the bracket 1 and the support column 1 is maintained;

the cross beam column 3 and the clamping plate 4 which is constructed on the cross beam column 3 and extends along the length direction of the cross beam column, the cross beam column 3 plays a role of cross beam support, the cross beam column 3 can be constructed with reference to fig. 4, the bracket 2 is provided with a bearing surface 5 for bearing the cross beam column 3 and clamping grooves 6 for accommodating the clamping plate 4, the clamping plate 4 is particularly a plurality of clamping plates on the cross beam column 3 and is symmetrically arranged, so the clamping grooves 6 are also at least two in number and are symmetrically arranged;

the sliding device comprises a plug post 7 arranged on the bracket 2 in a sliding manner and a rotating block 8 arranged on the bracket 2 in a rotating manner, wherein the rotating block 8 is in threaded fit with the plug post 7, so that the plug post 7 can be driven to slide through the rotating block 8, and a limiting hole 9 for accommodating the plug post 7 is formed in the cross beam plate;

based on the above characteristics, when assembling between support column 1 and crossbeam post 3, dock cardboard 4 and draw-in groove 6, and promote crossbeam post 3 to remove towards support column 1 direction, thereby make two places cardboard 4 symmetry insert and establish in two draw-in grooves 6, at this moment, the motion of the vertical direction of crossbeam post 3 has been restricted, rethread rotation rotating block 8, under screw-thread fit, insert post 7 and move up, and insert and establish spacing hole 9, spacing hole 9's aperture is unanimous with inserting post 7's diameter, thereby make crossbeam post 3 unable horizontal to remove, the equipment between crossbeam post 3 and support column 1 has just been accomplished, compare with current constitution mode, so comparatively labour saving and time saving on the whole process, thereby can accomplish the skeleton concatenation of whole building fast in the short time, therefore, compared with current steel construction, the characteristics that have the equipment speed is fast, the practicality is better.

As shown in fig. 1 and 2, in some embodiments, the arrangement mode of the bracket 2 on the support column 1 is that the support column 1 is connected with an oblique column 10, and the bracket 2 is in a transverse extending structure to form a first end 11 and a second end 12, and the first end 11 is connected with the support column 1 on the left side and the second end 12 is connected with the other end of the oblique column 10, so that a triangle stable structure is formed, the bracket 2 is mounted on the support column 1 more stably and firmly, and the safety of the whole structure is effectively ensured.

As shown in fig. 7, in some embodiments, regarding the above diagonal column 10, it specifically includes an outer sleeve 13 and an inner insertion rod 14 that are in an inserted fit, one end of the outer sleeve 13 is hinged to the support column 1, one end of the inner insertion rod 14 is hinged to the second end 12 of the bracket 2, and the first end 11 of the bracket 2 is also hinged to the support column 1, the inserted end of the inner insertion rod 14 is connected to a piston block 16 through a first plug rod 15, and both ends thereof are connected to the wall of the outer sleeve 13 through springs 17, so that the two springs 17 are symmetrically distributed on both sides of the piston block 16, and the piston block 16, the first plug rod 15 and the inner insertion rod 14 can be regarded as a monolithic structure;

based on the above characteristics, when the second end 12 of the bracket 2 is swung down or is forced downwards, the whole diagonal column 10 is forced to be compressed by itself according to the triangular characteristics, so that the inner insert rod 14 moves towards the inside of the outer sleeve 13, one of the springs 17 is compressed, the other spring 17 is stretched, and therefore, the elastic deformation of the two springs 17 can be used for buffering, so that the rigid stress of the bracket 2 is reduced, and by the function, when the transverse beam column 3 is subjected to longitudinal torsional vibration relative to the supporting column 1, a certain buffering effect can be achieved under the cooperation of the diagonal column 10, so that the transverse beam column 3 is effectively protected, especially when the whole building is suddenly blown by high wind or collides with other objects, and rigid sprags caused to various steel parts due to vibration can be reduced through the function.

As shown in fig. 7, in some embodiments, the above design of the piston block 16 is such that it includes a connecting block 18 and force-bearing blocks 19 fixedly attached to both sides thereof, the connecting block 18 is connected with the first piston rod 15, the first piston rod 15 penetrates through one of the force-bearing blocks 19, the two force-bearing blocks 19 are respectively connected with two springs 17, the two springs 17 are high-strength springs 17, and the space is limited, so that the elastic movement range is extremely limited, and thus the pressure holding force of the bracket 2 can be adapted, while the force-bearing blocks 19 are made of an energy-absorbing material, wherein the energy-absorbing material can be foam aluminum or rubber, etc., and because the springs 17 are high-strength springs 17, when the springs 17 are compressed, the contact between the springs 17 and the cylinder wall and the whole piston block 16 still have a hard interference effect, and therefore, through the characteristics of the force-bearing blocks 19, the energy absorption during hard contact can be absorbed, so as to further and effectively reduce the vibration damage between the components.

As shown in fig. 1, 2 and 8, in some embodiments, the support column 1 is further hinged with a first stop lever 20, and a sealing cavity 21 extending along the length direction thereof is configured in the support column, specifically as shown in fig. 8, the outer sleeve 13 is hinged with a second stop lever 22, a free end of the second stop lever is connected with a second plug lever 23, the second plug lever 23 penetrates through the first stop lever 20 and is connected with a sliding plug 24 positioned in the sealing cavity 21, the sealing cavity 21 is separated into a first cavity 25 and a second cavity 26 through interception of the sliding plug 24 to the sealing cavity 21, and the stress block 19 is attached to the inner wall of the outer sleeve 13, so that the sealing and blocking effects are also provided, and a first oil cavity 27 and a second oil cavity 28 are formed in the outer sleeve 13, the first oil cavity 27 and the second oil cavity 28 are respectively encapsulated with an oil body, specifically, and the first oil cavity 27 and the second oil cavity 28 are respectively communicated with the first cavity 25 and the second cavity 26 through a conduit;

referring specifically to fig. 8, based on the above characteristics, when the bracket 2 is stressed by torsion to press down the second end 12 of the bracket, based on the triangle characteristics, the inclined column 10 is compressed, when the piston block 16 is stressed to slide to the lower left, the spring 17 at the lower left is compressed, meanwhile, the first oil cavity 27 is compressed, the hydraulic oil in the bracket 2 is squeezed into the first cavity 25, at this time, the included angle between the whole inclined column 10 and the supporting column 1 is increased, so the second limiting rod 22 is far away from the first limiting rod 20, the sliding plug 24 slides to the lower right, the inner volume of the first cavity 25 is compressed, at this time, the oil body entering from the inner part of the first oil cavity 27 is poured into the inner part of the first cavity 25, the first cavity 25 is prevented from being compressed, the whole inclined column 10 is prevented from being compressed, namely the second end 12 of the bracket 2 is prevented from swinging downwards, and, on the basis of the same principle, when the bracket 2 is stressed by torsion to lift up the second end 12, the whole bracket is prevented from moving back to the lower microcosmic view, so the characteristic is prevented from further preventing the spring 17 from moving to the inner volume, and the spring 17 is prevented from moving to the excessive, and the spring 17 is prevented from moving to the whole structure is further, so that the vibration damping structure is reduced, and the vibration damping effect can be further improved, and the vibration damping effect is achieved, and the vibration structure is improved.

In practice, when the whole steel building is inclined after being built or subjected to vibration, the angle between the cross beam column 3 and the support column 1 needs to be slightly adjusted, or when separate torsion is applied between partial structures, the angle between the cross beam column 3 and the support column 1 needs to be properly adjusted, so as to facilitate fine adjustment between the support column 1 and the cross beam column 3, therefore, in some embodiments, the hinge between the second end 12 of the bracket 2 and the inner inserting rod 14 of the diagonal column 10 is such that, referring to fig. 2, 7 and 8, a cross shaft 29 is slidably arranged at the second end 12 of the bracket 2, the sliding track of which is arc-shaped, the center of the arc is the hinge axis of the bracket 2 on the support column 1, so as to match the sliding of the cross shaft 29, a slide way is constructed at the second end 12, and a fixing component 30 for limiting the sliding of the cross shaft 29 is also configured, so as to realize the fixation of the cross shaft 29 on the bracket 2, one end of the inner inserting rod 14 is rotationally matched with the cross shaft 29, after the cross shaft 29 is fixed, the cross shaft can be integrally seen with the bracket 2, and then the corresponding effect of sliding can be realized when the bracket 2 is rotationally matched with the inner inserting rod 14, and the corresponding sliding effect of the bracket 2 is realized, and the upper and the sliding effect can be realized when the bracket 2 is controlled;

with reference to fig. 9 and 10, the above fixing assembly 30 includes a penetrating rod 41 penetrating through the transverse shaft 29, and further includes two attaching plates 42 and a bolt head 43, wherein one attaching plate 42 is integrally connected to one end of the penetrating rod 41, the other is in threaded engagement with the bolt head 43, the bolt head 43 is rotationally connected to the penetrating rod 41, when the bolt head 43 is rotated, one attaching plate 42 in threaded engagement with the bolt head moves to one side of the slideway, so as to be engaged with and be less tightly on the slideway, so that the other attaching plate 42 is also tightened under the pulling of the penetrating rod 41, so as to be less tightly engaged with the slideway, the slideway is engaged with the post, the transverse shaft 29 cannot move, so that the fixing effect is achieved, when the transverse shaft 29 is adjusted, the bolt head 43 is unscrewed, friction between the attaching plate 42 and the slideway is increased, and the faces of the attaching plate 42 are all configured with stripes.

As shown in fig. 11, in some embodiments, the plunger 7 is connected with a plurality of pressing blocks 32 through a link mechanism 31, the link mechanism 31 includes two parallel swinging rods, two ends of the swinging rods are respectively hinged to the pressing blocks 32 and the plunger 7, and a balance rod is hinged between the two swinging rods, so that the position direction of the pressing blocks 32 relative to the plunger 7 is unchanged all the time when moving, a spring assembly 33, which may be a torsion spring, is connected between the link mechanism 31 and the plunger 7, and under the action of the elasticity of the spring assembly, the pressing blocks 32 are in a state of being close to each other in a normal state, and do not affect the advancing movement of the plunger 7, a pressing plate 34 is configured on the cross beam 3, and an abutting block 35 for contacting the pressing plate 34 is slidably arranged on the plunger 7, and one of the abutting blocks contacts with the link mechanism 31;

based on the above characteristics, when the inserting column 7 moves towards the fiber hole, the abutting block 35 can contact in advance and abut against the pressing plate 34 to be unable to advance, and as the inserting column 7 moves relatively to the inserting column 7 after entering the limiting hole 9 and when continuing to move, the abutting block 35 can be regarded as moving relatively to the inserting column 7, so that the swinging rod is pushed to push the pressing block 32 out, the pressing block 32 moves towards the direction away from the pressing plate 34, so that the pressing block is pressed at the edge of the limiting hole 9, and the bearing surface 5 on the matching bracket 2 is used for holding the local plate surface of the cross beam column 3, so that not only the transverse limiting effect on the cross beam column 3 is achieved, but also the vertical limiting effect is achieved, and the fixing effect on the cross beam column 3 is further enhanced.

As shown in fig. 4, in some embodiments, regarding the shape of the beam column 3, it includes two side plates 36 disposed in parallel and a cross plate 37 connected between the two side plates 36, the cross plate 37 is used for contacting the bearing surface 5, so when installed, the plate surface of the side plate 36 is vertical, thereby increasing the bending resistance effect in the vertical direction, making the top of the side plate more beneficial to the load, the limiting hole 9 is configured on the cross plate 37, the matched pressing plate 34 is also located on the cross plate 37, the clamping plate 4 is connected with the cross plate 37, and the side plate 36, the cross plate 37 and the clamping plate 4 are all integrally forged, so that the whole beam column 3 has a better strength in the whole.

As shown in fig. 3 and 4, in some embodiments, an acute included angle is formed between the clamping plate 4 and the side plate 36, the clamping groove 6 is located below the bearing surface 5, and the height gradually increases from the notch to the groove depth;

based on the above characteristics, when the clamping plate 4 is clamped in the clamping groove 6, when the whole cross beam column 3 is subjected to upward force, the clamping plate 4 is pulled, and the clamping plate 4 has a tendency to be stressed in the clamping groove 6 through the property of an acute angle, so that the side plate 36 cannot be transversely pulled, and the compression force for forcing the whole cross beam column 3 to deform is reduced.

As shown in fig. 1-3 and fig. 12, in some embodiments, the bracket 2 is provided with a portal 38 in a vertically sliding manner, through the cooperation of the portal 38 with the bearing surface 5, a through area 39 for accommodating the beam column 3 is formed, when the beam column 3 is installed, the end of the beam column 3 is inserted into the through area 39, the portal 38 is configured with a bevel 40 facing the inner side of the through area 39 for contacting the clamping plate 4, when the portal 38 moves down to make the bevel 40 contact with the clamping plate 4, the bevel 40 is in contact with the plate surfaces of the two clamping plates 4 facing the beam column 3, the portal 38 is in threaded engagement with the rotating block 8, and when the rotating block 8 is rotated, the portal 38 moves down through the threaded engagement, so that the whole through area 39 is tightened, which is equivalent to holding the end of the whole beam column 3, and the two bevels 40 are pressed onto the clamping plate 4, so that the two bevels 38 and the beam column 3 are better contacted together, thereby increasing the fixing effect on the beam column 3.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A supporting steel structure, comprising:

a support column (1) and a bracket (2) arranged on the support column (1);

the transverse beam column (3) and a clamping plate (4) which is constructed on the transverse beam column (3) and extends along the length direction of the transverse beam column, a bearing surface (5) for bearing the transverse beam column (3) and a clamping groove (6) for accommodating the clamping plate (4) are constructed on the bracket (2);

the sliding arrangement is in inserted column (7) on bracket (2) and rotate rotating block (8) of setting on bracket (2), rotating block (8) and inserted column (7) screw-thread fit, construct spacing hole (9) that are used for holding inserted column (7) on crossbeam post (3).

2. A supporting steel structure according to claim 1, characterized in that the support column (1) is connected with a diagonal column (10), the bracket (2) is in a transversely extending configuration to form a first end (11) and a second end (12), the first end (11) is connected with the support column (1), and the second end (12) is connected with the other end of the diagonal column (10).

3. A supporting steel structure according to claim 2, characterized in that the diagonal column (10) comprises an outer sleeve (13) and an inner inserting rod (14) which are in plug-in fit, one end of the outer sleeve (13) is hinged with the supporting column (1), one end of the inner inserting rod (14) is hinged with the second end (12) of the bracket (2), the first end (11) of the bracket (2) is hinged with the supporting column (1), the plug-in end of the inner inserting rod (14) is connected with a piston block (16) through a first plug rod (15), and two ends of the piston block (16) are connected with the wall of the outer sleeve (13) through springs (17).

4. A supporting steel structure according to claim 3, characterized in that the piston block (16) comprises a connecting block (18) and a stress block (19) fixedly attached to both sides of the connecting block, the connecting block (18) is connected with the first stopper rod (15), the stress block (19) is connected with the spring (17), and the stress block (19) is made of an energy absorbing material.

5. A supporting steel structure according to claim 4, characterized in that the supporting column (1) is hinged with a first limiting rod (20), a sealing cavity (21) extending along the length direction of the supporting column is formed in the supporting column, the outer sleeve (13) is hinged with a second limiting rod (22), the free end of the second limiting rod is connected with a second plug rod (23), the second plug rod (23) penetrates through the first limiting rod (20) and is connected with a sliding plug (24) positioned in the sealing cavity (21) so as to divide the sealing cavity (21) into a first cavity (25) and a second cavity (26), the stress block (19) is attached to the inner wall of the outer sleeve (13) so as to form a first oil cavity (27) and a second oil cavity (28), and oil bodies are respectively encapsulated in the first oil cavity (27) and the second oil cavity (28) and are respectively communicated with the first cavity (25) and the second cavity (26) through a conduit.

6. A supporting steel structure according to claim 3, characterized in that the second end (12) of the bracket (2) is slidably provided with a transverse shaft (29) having an arc-shaped sliding track and provided with a fixing assembly (30) for limiting the sliding of the transverse shaft (29), and that one end of the inner insert rod (14) is in a rotary fit with the transverse shaft (29).

7. A supporting steel structure according to claim 1, characterized in that the plunger (7) is connected with a plurality of pressing blocks (32) through a connecting rod mechanism (31), a spring assembly (33) is connected between the connecting rod mechanism (31) and the plunger (7), under the action of the spring assembly, the pressing blocks (32) are mutually closed, the beam column (3) is provided with a pressing plate (34), and the plunger (7) is provided with a supporting block (35) for contacting the pressing plate (34) in a sliding manner, and one part of the supporting block is contacted with the connecting rod mechanism (31).

8. A supporting steel structure according to claim 1, characterized in that the beam column (3) comprises two side plates (36) arranged in parallel and a transverse plate (37) connected between the two side plates (36), the transverse plate (37) is used for contacting the bearing surface (5), the limiting hole (9) is formed on the transverse plate (37), the clamping plate (4) is connected with the transverse plate (37), and the side plates (36), the transverse plate (37) and the clamping plate (4) are all integrally forged.

9. A supporting steel structure according to claim 8, characterized in that an acute angle is formed between the clamping plate (4) and the side plate (36), the clamping groove (6) is positioned below the bearing surface (5), and the height gradually increases from the notch to the groove depth.

10. A supporting steel structure according to claim 8, characterized in that a portal frame (38) is slidably arranged on the bracket (2), which cooperates with the bearing surface (5) to form a through area (39) for accommodating a beam column (3), and that a bevel (40) is formed on the portal frame (38) towards the inside of the through area (39) for contacting the clamping plate (4), and that the portal frame (38) cooperates with the turning block (8) in a threaded manner.