Large-span space steel structure

Abstract

The utility model relates to the technical field of steel structures, and discloses a large-span space steel structure which comprises a bottom plate, a supporting column is fixedly installed on the top of the bottom plate, a transmission rod is rotatably connected to the inner side wall of the supporting column, a transmission bevel gear is fixedly installed on the outer side of the transmission rod, and a transmission bevel gear is fixedly installed on the transmission bevel gear. A reinforcing plate is fixedly mounted on the inner side wall of the supporting column, a connecting rod is rotationally connected to the inner side of the reinforcing plate, a driven bevel gear meshed with the transmission bevel gear is fixedly mounted at the bottom of the connecting rod, a lead screw is fixedly mounted at the top of the connecting rod, and a lifting plate is in threaded connection with the outer side of the lead screw; a mounting rod penetrating through the supporting column is fixedly mounted at the top of the lifting plate, and an adjusting column is fixedly mounted at the top of the mounting rod. According to the large-span space steel structure, the steel beam can be preliminarily limited during installation, so that the stability of the steel structure during installation is improved, and the influence on installation and use of the steel structure is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structures, in particular to a large-span space steel structure. Background Art

[0002] Steel structure is a form of building structure, mainly made of steel, including steel sections, steel plates and other components. These components are connected together by welding, bolts or rivets to form beams, columns, trusses, etc., thus forming the skeleton of the building. Steel structure is widely used in large factories, venues, super high-rise buildings and other fields due to its light weight and convenient construction. In addition, some large buildings often use steel structures with large spans.

[0003] When existing large-scale buildings use large-span steel structures, when assembling the large-span steel structures, due to the large weight of some steel structures themselves, if the steel structures are not limited in a certain way during installation, the steel structures may be unstable during installation, thereby affecting the installation and use of the steel structures and the use effect of the steel structures. Therefore, the present application proposes a large-span steel structure to solve the above technical problems. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a large-span spatial steel structure, which has the advantages of improving the stability of the steel structure during installation, and solves the problem that the steel structure may be unstable during installation, thereby affecting the installation and use of the steel structure.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose of improving the stability of the steel structure during installation, the utility model provides the following technical solutions: a large-span space steel structure, comprising a bottom plate, a support column is fixedly installed on the top of the bottom plate, a transmission rod is rotatably connected to the inner side wall of the support column, a transmission bevel gear is fixedly installed on the outer side of the transmission rod, a reinforcement plate is fixedly installed on the inner side wall of the support column, and a connecting rod is rotatably connected to the inner side of the reinforcement plate;

[0008] A driven bevel gear meshing with the transmission bevel gear is fixedly installed at the bottom of the connecting rod, a screw rod is fixedly installed at the top of the connecting rod, a lifting plate is threadedly connected to the outer side of the screw rod, and a mounting rod penetrating the support column is fixedly installed at the top of the lifting plate;

[0009] An adjusting column is fixedly installed on the top of the mounting rod, a mounting plate is fixedly installed on the top of the adjusting column, a connecting block is fixedly installed on the top of the mounting plate, a steel beam is movably installed on the top of the connecting block, and two connecting mechanisms are installed inside the mounting plate.

[0010] Preferably, the left side of the support column is rotatably connected to a hand wheel fixedly connected to the transmission rod.

[0011] Preferably, the top end of the screw rod is rotatably connected to the inner wall of the support column.

[0012] Preferably, the number of the mounting rods is two, and the adjustment column is fixedly installed between the tops of the two mounting rods.

[0013] Preferably, two T-shaped slots are provided on the inner side wall of the support column, and T-shaped sliding blocks slidably connected in the T-shaped slots are fixedly mounted on both sides of the lifting plate.

[0014] Preferably, the connecting mechanism includes a mounting groove provided inside the mounting plate, a guide rod is fixedly installed on the inner side wall of the mounting groove, a sliding groove connected to the mounting groove is provided at the bottom of the connecting block, an adjusting plate located in the sliding groove is slidably connected to the outer side of the guide rod, a return spring sleeved on the outer side of the guide rod is fixedly installed on the side of the adjusting plate away from the screw rod, an adjusting rod is fixedly installed on the side of the adjusting plate away from the screw rod, a limiting groove is provided on the inner side wall of the sliding groove, and a limit block located in the limit groove is fixedly installed on the side of the adjusting plate close to the return spring.

[0015] Preferably, one end of the adjusting rod away from the adjusting plate passes through the mounting plate and is fixedly mounted with a pulling block, and a number of rubber strips are fixedly mounted on the outer side of the pulling block.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides a large-span space steel structure with the following features:

[0018] Beneficial effects:

[0019] The large-span space steel structure, by turning the hand wheel, the hand wheel drives the transmission bevel gear on the outside of the transmission rod to rotate, the transmission bevel gear is meshed with the driven bevel gear, so that the transmission bevel gear can drive the screw rod to rotate, the screw rod drives the lifting plate to move up and down, the lifting plate drives the mounting rod to move upward, the mounting rod drives the mounting plate on the top of the adjusting column to move, so that the position of the connecting block on the top of the mounting plate can be adjusted, so that a certain gap between the connecting block and the steel beam can be avoided, thereby avoiding the connection block from being unable to limit the steel beam, by pressing the adjusting rod, the adjusting rod drives the adjusting plate to move, the adjusting plate stretches the reset spring, and drives the limit block to move, so that the connecting block can be moved into the steel beam, loosen the adjusting rod, the adjusting rod will automatically reset under the action of the reset spring, so that the adjusting plate drives the limit block to enter the limit groove on the inner side of the steel beam, so that the limit block limits the steel beam, so that the steel beam during installation can be initially limited, thereby improving the stability of the steel structure during installation, and avoiding affecting the installation and use of the steel structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0022] Figure 3 For this utility model Figure 2 The enlarged schematic diagram at A in the middle;

[0023] Figure 4 It is a three-dimensional schematic diagram of the adjusting column and the mounting plate of the utility model.

[0024] In the figure: 1. base plate; 2. support column; 3. transmission rod; 4. transmission bevel gear; 5. hand wheel; 6. reinforcement plate; 7. connecting rod; 8. driven bevel gear; 9. screw rod; 10. lifting plate; 11. T-shaped slide groove; 12. T-shaped slider; 13. mounting rod; 14. adjusting column; 15. mounting plate; 16. connecting block; 17. steel beam; 18. connecting mechanism; 181. mounting groove; 182. guide rod; 183. sliding groove; 184. adjusting plate; 185. reset spring; 186. adjusting rod; 187. limit groove; 188. limit block. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-4 A large-span space steel structure includes a bottom plate 1, a support column 2 is fixedly installed on the top of the bottom plate 1, two T-shaped slide grooves 11 are opened on the inner wall of the support column 2, the left side of the support column 2 is rotatably connected to a hand wheel 5 fixedly connected to a transmission rod 3, so that the transmission rod 3 can be rotated more conveniently through the hand wheel 5, the inner side wall of the support column 2 is rotatably connected to the transmission rod 3, the outer side of the transmission rod 3 is fixedly installed with a transmission bevel gear 4, the inner side wall of the support column 2 is fixedly installed with a reinforcement plate 6, and the inner side of the reinforcement plate 6 is rotatably connected with a connecting rod 7;

[0027] A driven bevel gear 8 meshing with the transmission bevel gear 4 is fixedly installed at the bottom of the connecting rod 7, and a screw rod 9 is fixedly installed on the top of the connecting rod 7. The top end of the screw rod 9 is rotatably connected to the inner wall of the support column 2, so that when the screw rod 9 rotates, the stability of the screw rod 9 is better, and the outer side of the screw rod 9 is threadedly connected to a lifting plate 10, and both sides of the lifting plate 10 are fixedly installed with T-shaped sliders 12 slidably connected in the T-shaped slide groove 11. In this way, when the lifting plate 10 moves up and down, the lifting plate 10 passes through the T-shaped slider 12 sliding in the T-shaped slide groove 11, so that the lifting plate 10 has better stability when moving. A mounting rod 13 that penetrates the support column 2 is fixedly installed on the top of the lifting plate 10, and the number of the mounting rods 13 is two;

[0028] An adjusting column 14 is fixedly installed on the top of the mounting rod 13, and the adjusting column 14 is fixedly installed between the tops of the two mounting rods 13. A mounting plate 15 is fixedly installed on the top of the adjusting column 14, and a connecting block 16 is fixedly installed on the top of the mounting plate 15. A steel beam 17 is movably installed on the top of the connecting block 16. Two connecting mechanisms 18 are installed inside the mounting plate 15.

[0029] The connecting mechanism 18 includes a mounting groove 181 provided inside the mounting plate 15, a guide rod 182 is fixedly installed on the inner side wall of the mounting groove 181, a sliding groove 183 connected to the mounting groove 181 is provided at the bottom of the connecting block 16, an adjusting plate 184 located in the sliding groove 183 is slidably connected to the outer side of the guide rod 182, a return spring 185 sleeved on the outer side of the guide rod 182 is fixedly installed on the side of the adjusting plate 184 away from the screw rod 9, an adjusting rod 186 is fixedly installed on the side of the adjusting plate 184 away from the screw rod 9, one end of the adjusting rod 186 away from the adjusting plate 184 passes through the mounting plate 15 and is fixedly installed with a pulling block, a number of rubber strips are fixedly installed on the outer side of the pulling block, so that the adjusting rod 186 can be better pulled or pressed by the pulling block, a limiting groove 187 is provided on the inner side wall of the sliding groove 183, and a limiting block 188 located in the limiting groove 187 is fixedly installed on the side of the adjusting plate 184 close to the return spring 185.

[0030] In summary, the large-span space steel structure, by rotating the hand wheel 5, the hand wheel 5 drives the transmission bevel gear 4 on the outside of the transmission rod 3 to rotate, and the transmission bevel gear 4 is meshed with the driven bevel gear 8, so that the transmission bevel gear 4 can drive the screw rod 9 to rotate, the screw rod 9 drives the lifting plate 10 to move up and down, the lifting plate 10 drives the mounting rod to move upward, and the mounting rod 13 drives the mounting plate 15 on the top of the adjusting column 14 to move, so that the position of the connecting block 16 on the top of the mounting plate 15 can be adjusted, so that a certain gap between the connecting block 16 and the steel beam can be avoided, thereby avoiding the connection block 16 from being unable to limit the steel beam. By pressing the adjusting rod 186, the adjusting rod 186 will drive the adjusting plate 184 to move, and the adjusting plate 184 will stretch the reset spring 185 and drive the limit block 188 to move, so that the connecting block 16 can be moved into the steel beam, and the adjusting rod 186 will be released, and the adjusting rod 186 will automatically reset under the action of the reset spring 185, so that the adjusting plate 184 drives the limit block 188 to enter the limit groove 187 on the inner side of the steel beam, so that the limit block 188 limits the steel beam, so that the steel beam can be initially limited during installation, thereby improving the stability of the steel structure during installation and avoiding affecting the installation and use of the steel structure.

[0031] 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 elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0032] 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 large-span spatial steel structure, comprising a bottom plate (1), characterized in that: A support column (2) is fixedly mounted on the top of the base plate (1); a transmission rod (3) is rotatably connected to the inner wall of the support column (2); a transmission bevel gear (4) is fixedly mounted on the outer side of the transmission rod (3); a reinforcement plate (6) is fixedly mounted on the inner wall of the support column (2); and a connecting rod (7) is rotatably connected to the inner side of the reinforcement plate (6); A driven bevel gear (8) meshing with the transmission bevel gear (4) is fixedly mounted on the bottom of the connecting rod (7), a screw rod (9) is fixedly mounted on the top of the connecting rod (7), a lifting plate (10) is threadedly connected to the outer side of the screw rod (9), and a mounting rod (13) penetrating the support column (2) is fixedly mounted on the top of the lifting plate (10); An adjusting column (14) is fixedly mounted on the top of the mounting rod (13), a mounting plate (15) is fixedly mounted on the top of the adjusting column (14), a connecting block (16) is fixedly mounted on the top of the mounting plate (15), a steel beam (17) is movably mounted on the top of the connecting block (16), and two connecting mechanisms (18) are mounted inside the mounting plate (15).

2. A large-span spatial steel structure according to claim 1, characterized in that: The left side of the support column (2) is rotatably connected to a hand wheel (5) which is fixedly connected to the transmission rod (3).

3. The large-span spatial steel structure according to claim 1, characterized in that: The top end of the screw rod (9) is rotatably connected to the inner wall of the support column (2).

4. The large-span spatial steel structure according to claim 1, characterized in that: The number of the mounting rods (13) is two, and the adjustment column (14) is fixedly mounted between the tops of the two mounting rods (13).

5. The large-span spatial steel structure according to claim 1, characterized in that: Two T-shaped slide grooves (11) are provided on the inner side wall of the support column (2), and T-shaped sliding blocks (12) slidably connected in the T-shaped slide grooves (11) are fixedly installed on both sides of the lifting plate (10).

6. The large-span spatial steel structure according to claim 1, characterized in that: The connecting mechanism (18) comprises a mounting groove (181) provided inside the mounting plate (15); a guide rod (182) is fixedly installed on the inner side wall of the mounting groove (181); a sliding groove (183) communicating with the mounting groove (181) is provided at the bottom of the connecting block (16); an adjusting plate (184) located in the sliding groove (183) is slidably connected to the outer side of the guide rod (182); a return spring (185) sleeved on the outer side of the guide rod (182) is fixedly installed on the side of the adjusting plate (184) away from the screw rod (9); an adjusting rod (186) is fixedly installed on the side of the adjusting plate (184) away from the screw rod (9); a limiting groove (187) is provided on the inner side wall of the sliding groove (183); a limiting block (188) located in the limiting groove (187) is fixedly installed on the side of the adjusting plate (184) close to the return spring (185).

7. A large-span spatial steel structure according to claim 6, characterized in that: One end of the adjusting rod (186) away from the adjusting plate (184) passes through the mounting plate (15) and is fixedly mounted with a pulling block, and a number of rubber strips are fixedly mounted on the outer side of the pulling block.

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