阅读说明：本技术 一种大跨度钢框架结构 (Large-span steel frame structure ) 是由 王华科 屠世军 陈兴大 于 2021-08-17 设计创作，主要内容包括：本发明公开了一种大跨度钢框架结构,在支撑机构的拱形杆上设置有安装部,在钢横梁上设置有连接部,当将支撑机构与钢横梁相连接时,将拱形杆上的安装部向上插入到连接部的连接套内,然后将紧固件旋合到安装部的第一连接孔内,在紧固件旋合的过程中,紧固件将压板下压,使得压板的两个下压部同步下移,使得两个下压部的下端分别对两个滑块的导向孔上的导向斜面施加作用力,以使得两个滑块分别穿过两个第三连接孔而插入到安装部的两个第二连接孔内。本发明使得支撑机构与钢横梁具有多点连接,从而使得在受到震动时支撑机构与钢横梁之间不容易脱离。(The invention discloses a large-span steel frame structure, wherein an installation part is arranged on an arch-shaped rod of a supporting mechanism, a connecting part is arranged on a steel beam, when the supporting mechanism is connected with the steel beam, the installation part on the arch-shaped rod is upwards inserted into a connecting sleeve of the connecting part, then a fastener is screwed into a first connecting hole of the installation part, and in the screwing process of the fastener, the fastener presses down a pressing plate to enable two pressing parts of the pressing plate to synchronously move downwards, so that the lower ends of the two pressing parts respectively apply acting force to guide inclined planes on guide holes of two sliding blocks, and the two sliding blocks respectively penetrate through two third connecting holes to be inserted into two second connecting holes of the installation part. The invention enables the support mechanism and the steel beam to have multi-point connection, thereby ensuring that the support mechanism and the steel beam are not easy to separate when being vibrated.)

1. A large-span steel frame structure is characterized by comprising two steel upright posts (10), a steel cross beam (20) and a supporting mechanism (30);

the two steel upright columns (10) are vertically arranged, two ends of the steel cross beam (20) are respectively fixed at the tops of the two steel upright columns (10), the supporting mechanism (30) is positioned between the two steel upright columns (10), and the supporting mechanism (30) is positioned below the steel cross beam (20);

the supporting mechanism (30) comprises a cross rod (32), an arch-shaped rod (31) and a plurality of vertical rods (33), two ends of the cross rod (32) are respectively connected with the two steel upright columns (10), the arch-shaped rod (31) is positioned above the cross rod (32), two ends of the arch-shaped rod (31) are respectively connected with two ends of the cross rod (32), two ends of the plurality of vertical rods (33) are respectively connected with the cross rod (32) and the arch-shaped rod (31), the top of the arch-shaped rod (31) is provided with an installation part (311) which protrudes upwards, the top surface of the installation part (311) is provided with a first connection hole (312), two side walls of the installation part (311) are respectively provided with a second connection hole (313), the axes of the two second connection holes (313) are respectively vertical to the axis of the installation part (311), the two second connecting holes (313) are symmetrically arranged relative to the axis of the mounting part (311);

the middle part of the steel beam (20) is provided with a connecting part (21), a hollow cavity (211) is arranged in the connecting part (21), a connecting sleeve (212) for inserting the installation part (311), two sliding blocks (214) and two tension springs (216) are arranged in the hollow cavity (211), two side walls of the connecting sleeve (212) are respectively provided with a third connecting hole (213), the two sliding blocks (214) are arranged in the hollow cavity (211) in a sliding manner, the two sliding blocks (214) are respectively positioned at two sides of the connecting sleeve (212), the two sliding blocks (214) are respectively vertical to the axis of the connecting sleeve (212), the two sliding blocks (214) are symmetrically arranged relative to the axis of the connecting sleeve (212), the two sliding blocks (214) are respectively provided with a guide hole (215) which vertically penetrates through the sliding blocks (214), the two guide holes (215) are respectively provided with a guide inclined plane (217), the two guide inclined planes (217) are respectively inclined and extend upwards towards the direction close to the connecting sleeve (212), the two tension springs (216) are horizontally arranged, one ends of the two tension springs (216) are connected with the inner wall of the hollow cavity (211), and the other ends of the two tension springs (216) are respectively connected with one ends, far away from the connecting sleeve (212), of the two sliding blocks (214);

a pressing plate (40), a fastening piece (50) and a belleville spring (60) are further arranged on the steel beam (20), a pressing portion (41) is arranged on each of two sides of the pressing plate (40), the pressing plate (40) is located above the steel beam (20), the belleville spring (60) is arranged between the pressing plate (40) and the upper wall of the steel beam (20), the two pressing block portions (41) respectively movably penetrate through the upper wall of the steel beam (20) and extend into the hollow cavity (211), the two pressing block portions (41) are located above the two guide holes (215), the fastening piece (50) sequentially movably penetrates through the pressing plate (40) and the upper wall of the steel beam (20) and extend into the hollow cavity (211), and the fastening piece (50) is located above the connecting sleeve (212);

when the arch-shaped rod (31) is not connected with the steel beam (20), the two sliding blocks (214) are positioned outside the connecting sleeve (212), and the lower end of the fastener (50) is positioned above the connecting sleeve (212); when the arch bar (31) is connected with the steel beam (20), the mounting part (311) is inserted upwards into the connecting sleeve (212) until the arch bar (31) abuts against the lower wall of the connecting part (21), then the fastening piece (50) is screwed into the first connecting hole (312) of the mounting part (311), and in the screwing process of the fastening piece (50), the fastening piece (50) presses the pressing plate (40) downwards, so that the two pressing parts (41) of the pressing plate (40) synchronously downwards move, and the lower ends of the two pressing parts (41) respectively exert acting forces on the guide inclined surfaces (217) on the guide holes (215) of the two sliding blocks (214), so that the two sliding blocks (214) respectively penetrate through the two third connecting holes (213) and are inserted into the two second connecting holes (313) of the mounting part (311).

2. The large-span steel frame structure according to claim 1, wherein each steel upright (10) is connected with a batter post (70), two batter posts (70) are obliquely arranged, the upper ends of the two batter posts (70) are respectively connected with the upper parts of the two steel upright (10), and the lower ends of the two batter posts (70) are fixed on the ground.

3. The large-span steel frame structure according to claim 2, wherein the large-span steel frame structure further comprises two L-shaped connecting members (80), each of the two L-shaped connecting members (80) comprises a first connecting rod (81) and a second connecting rod (82) perpendicular to each other, the two first connecting rods (81) are slidably connected to the two inclined columns (70), each of the two second connecting rods (82) is rotatably connected with a fixing plate (90), each of the two L-shaped connecting members (80) has a first station and a second station, and each of the two L-shaped connecting members (80) is switched between the first station and the second station by sliding on the inclined column (70);

when the L-shaped connecting piece (80) is positioned at the first station, the L-shaped connecting piece (80) is positioned at the upper part of the inclined column (70), the L-shaped connecting piece (80) is connected to the fixing plate (90) and is vertically arranged, and the fixing plate (90) is connected with the steel upright column (10);

when the L-shaped connecting piece (80) is positioned at the second station, the L-shaped connecting piece (80) is positioned at the lower part of the inclined column (70), the L-shaped connecting piece (80) is connected to the fixing plate (90) and horizontally arranged, and the fixing plate (90) is used for being connected with the preset mounting surface.

Technical Field

The invention relates to the technical field of steel structures, in particular to a large-span steel frame structure.

Background

The large-span steel frame structure is formed by assembling light high-efficiency steel and light high-efficiency heat insulation enclosing materials, has the characteristics of light weight, short construction period, convenience in installation, good anti-seismic performance, attractive appearance, cleanness, bright rhythm, large internal space and the like, and is easier to divide the space than a common structure, so that the large-span steel frame structure is widely applied to the building fields of common industrial and agricultural buildings, commercial and service buildings, standard office buildings, schools, hospital buildings, villas, tourist buildings, various warehouse buildings, entertainment, stadiums, earthquake district buildings, construction period tightening, old house reconstruction, renovation and the like.

Current large-span steel frame construction generally includes the steel stand, steel crossbeam and supporting mechanism, the both ends of steel crossbeam are fixed on two steel stands, and supporting mechanism is located the below of steel crossbeam, supporting mechanism can play the supporting role to the steel crossbeam, so that the steel stand is difficult to downwarping deformation, however, when receiving stronger vibrations (if take place the earthquake), dislocation takes place easily with supporting mechanism for the steel crossbeam loses supporting mechanism's support, thereby make the steel crossbeam unstable.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a large-span steel frame structure, which enables a support mechanism and a steel cross beam to be connected in a multi-point mode, so that the support mechanism and the steel cross beam are not easy to separate when being vibrated.

In order to solve the technical problem, the large-span steel frame structure provided by the invention comprises two steel upright posts, a steel cross beam and a supporting mechanism;

the two steel upright columns are vertically arranged, two ends of the steel cross beam are respectively fixed at the tops of the two steel upright columns, the supporting mechanism is positioned between the two steel upright columns, and the supporting mechanism is positioned below the steel cross beam;

the supporting mechanism comprises a cross rod, an arch-shaped rod and a plurality of vertical rods, two ends of the cross rod are respectively connected with the two steel stand columns, the arch-shaped rod is positioned above the cross rod, two ends of the arch-shaped rod are respectively connected with two ends of the cross rod, two ends of the plurality of vertical rods are respectively connected with the cross rod and the arch-shaped rod, an installation part protruding upwards is arranged at the top of the arch-shaped rod, a first connection hole is formed in the top surface of the installation part, second connection holes are formed in two side walls of the installation part, the axes of the two second connection holes are perpendicular to the axis of the installation part, and the two second connection holes are symmetrically arranged relative to the axis of the installation part;

the middle part of the steel beam is provided with a connecting part, a hollow cavity is arranged in the connecting part, a connecting sleeve for inserting the mounting part is arranged in the hollow cavity, the two sliders are respectively positioned at two sides of the connecting sleeve, the two sliders are perpendicular to the axis of the connecting sleeve and symmetrically arranged relative to the axis of the connecting sleeve, each slider is provided with a guide hole which penetrates through the slider from top to bottom, each guide hole is provided with a guide inclined plane, the two guide inclined planes extend upwards in an inclined manner towards the direction close to the connecting sleeve, the two tension springs are horizontally arranged, one ends of the two tension springs are connected with the inner wall of the hollow cavity, and the other ends of the two tension springs are respectively connected with one ends of the two sliders far away from the connecting sleeve;

the steel beam is also provided with a pressing plate, a fastener and a belleville spring, a lower pressing part is arranged on each of two sides of the pressing plate, the pressing plate is positioned above the steel beam, the belleville spring is arranged between the pressing plate and the upper wall of the steel beam, the two pressing parts respectively and movably penetrate through the upper wall of the steel beam and extend into the hollow cavity, the two pressing parts are positioned above the two guide holes, the fastener sequentially and movably penetrates through the pressing plate and the upper wall of the steel beam and extends into the hollow cavity, and the fastener is positioned above the connecting sleeve;

when the arch-shaped rod is not connected with the steel beam, the two sliding blocks are both positioned outside the connecting sleeve, and the lower end of the fastener is positioned above the connecting sleeve; when being connected arch bar and steel beam, upwards insert the installation department in the connecting sleeve until arch bar offsets with the lower wall of connecting portion, then close the fastener soon to the first connecting hole of installation department in, at the in-process that the fastener closes soon, the fastener pushes down the clamp plate, make two pressers of clamp plate move down in step, make the lower extreme of two pressers exert the effort to the direction inclined plane on the guiding hole of two sliders respectively, so that two sliders pass two third connecting holes respectively and insert in two second connecting holes of installation department.

As preferred, all be connected with an batter post on every steel stand, two batter posts all incline to set up, and the upper end of two batter posts is connected with the upper portion of two steel stands respectively, and the lower extreme of two batter posts is all fixed subaerial.

Preferably, the large-span steel frame structure further comprises two L-shaped connecting pieces, each of the two L-shaped connecting pieces comprises a first connecting rod and a second connecting rod which are perpendicular to each other, the two first connecting rods are slidably connected to the two batter posts respectively, the two second connecting rods are rotatably connected with fixing plates respectively, each of the two L-shaped connecting pieces is provided with a first station and a second station, and the two L-shaped connecting pieces slide on the batter posts to switch between the first station and the second station;

when the L-shaped connecting piece is positioned at the first station, the L-shaped connecting piece is positioned at the upper part of the inclined column, the L-shaped connecting piece is connected with the fixing plate and is vertically arranged, and the fixing plate is connected with the steel upright column;

when the L-shaped connecting piece is positioned at the second station, the L-shaped connecting piece is positioned at the lower part of the inclined column, the L-shaped connecting piece is connected to the fixing plate and horizontally arranged, and the fixing plate is used for being connected with the preset mounting surface.

After adopting the structure, compared with the prior art, the invention has the following advantages:

the invention relates to a large-span steel frame structure, wherein an installation part is arranged on an arch bar of a support mechanism, a connecting part is arranged on a steel beam, when the support mechanism is connected with the steel beam, the installation part on the arch bar is upwards inserted into a connecting sleeve of the connecting part, then a fastener is screwed into a first connecting hole of the installation part, in the screwing process of the fastener, the fastener presses down a press plate to synchronously move down two pressing parts of the press plate, so that the lower ends of the two pressing parts respectively apply acting force to guide inclined planes on guide holes of two sliders to ensure that the two sliders respectively penetrate through two third connecting holes and are inserted into two second connecting holes of the installation part, thus, the installation part on the arch bar and the connecting part on the steel beam are locked by the two sliders, and the fastener also connects the installation part on the arch bar and the connecting part on the steel beam mutually, and the direction of connection mutually perpendicular of fastener and two sliders, like this, when this large-span steel frame structure receives stronger vibrations, if arch bar and steel beam receive vertical direction's disengagement force, arch bar and steel beam can be through the connection of two sliders and be difficult to break away from, if arch bar and steel beam receive horizontal direction's disengagement force, then arch bar and steel beam can pass through the connection of fastener and be difficult to break away from to make this large-span steel frame structure's structural stability stronger.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of area A of FIG. 1;

FIG. 3 is a schematic structural view of another aspect of the present invention;

fig. 4 is an enlarged view of the region B in fig. 3.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 4, the long-span steel frame structure of the present invention includes two steel columns 10, a steel beam 20, and a supporting mechanism 30.

The two steel upright columns 10 are vertically arranged, the two ends of the steel beam 20 are fixed to the tops of the two steel upright columns 10 respectively, the steel beam 20 is connected with the upright columns 10 through bolts, the supporting mechanism 30 is located between the two steel upright columns 10, the supporting mechanism 30 is located below the steel beam 20, and the supporting mechanism 30 is used for supporting and fixing the steel beam 20.

The supporting mechanism 30 comprises a cross bar 32, an arch bar 31 and a plurality of vertical bars 33, two ends of the cross bar 32 are respectively connected with two steel columns 10, the cross bar 32 is connected with the steel columns 10 through bolts, the arch bar 31 is positioned above the cross bar 32, two ends of the arch bar 31 are respectively connected with two ends of the cross bar 32, the arch bar 31 is fixed with the cross bar 32 through welding, the arch bar 31 is arched upwards, the vertical bars 33 are vertically arranged, two ends of the vertical bars 33 are respectively connected with the cross bar 32 and the arch bar 31, the vertical bars 33 are fixed with the cross bar 32 and the arch bar 31 through welding, an upwards-protruding mounting part 311 is arranged at the top of the arch bar 31, a first connecting hole 312 is arranged on the top surface of the mounting part 311, the first connecting hole 312 is a threaded hole, a second connecting hole 313 is arranged on the mounting part 311, the two second connection holes 313 are both blind holes, the axes of the two second connection holes 313 are both perpendicular to the axis of the mounting portion 311, and the two second connection holes 313 are symmetrically arranged about the axis of the mounting portion 311.

The middle part of the steel beam 20 is provided with a connecting part 21, a hollow cavity 211 is arranged in the connecting part 21, so that the connecting part 21 has an upper wall and a lower wall, a connecting sleeve 212 for inserting the mounting part 311, two sliders 214 and two tension springs 216 are arranged in the hollow cavity 211, the upper end of the connecting sleeve 212 is open, the lower end of the connecting sleeve 212 is open and penetrates through the lower wall of the connecting part 21, both side walls of the connecting sleeve 212 are provided with third connecting holes 213, both sliders 214 are slidably arranged in the hollow cavity 211, the two sliders 214 are respectively positioned at both sides of the connecting sleeve 212, both sliders 214 are perpendicular to the axis of the connecting sleeve 212 and are symmetrically arranged about the axis of the connecting sleeve 212, both sliders 214 are respectively opposite to the two third connecting holes 213, both sliders 214 are provided with a guide hole 215 which penetrates through the sliders 214 up and down, and both guide holes 215 have guide inclined planes 217, the two guide inclined planes 217 extend upwards in an inclined manner in a direction close to the connecting sleeve 212, the two tension springs 216 are horizontally arranged, one ends of the two tension springs 216 are connected with the inner wall of the hollow cavity 211, the other ends of the two tension springs 216 are respectively connected with one ends of the two sliding blocks 214 far away from the connecting sleeve 212, that is, the two tension springs 216 respectively apply elastic tension to the two sliding blocks 214 far away from the connecting sleeve 212.

The steel beam 20 is further provided with a pressing plate 40, a fastener 50 and a belleville spring 60, a pressing portion 41 is arranged on each of two sides of the pressing plate 40, the pressing plate 40 is located above the steel beam 20, the belleville spring 60 is arranged between the pressing plate 40 and the upper wall of the steel beam 20, the two pressing portions 41 respectively movably penetrate through the upper wall of the steel beam 20 and extend into the hollow cavity 211, the two pressing portions 41 are located above the two guide holes 215, the fastener 50 sequentially movably penetrates through the pressing plate 40 and the upper wall of the steel beam 20 and extends into the hollow cavity 211, and the fastener 50 is located above the connecting sleeve 212.

Referring to fig. 2, when the arch bar 31 is not connected to the steel beam 20, the two sliding blocks 214 are located outside the connecting sleeve 212 due to the pulling force of the tension spring 216, and the two sliding blocks 214 are respectively opposite to the two third connecting holes 213, the lower end of the fastening member 50 is located above the connecting sleeve 212, and the lower end of the fastening member 50 does not enter the connecting sleeve 212.

Referring to fig. 4, when the arch bar 31 is coupled to the steel beam 20, the mounting portion 311 is inserted upward into the coupling sleeve 212 until the arch bar 31 abuts against the lower wall of the coupling portion 21, and then the fastener 50 is screwed into the first coupling hole 312 of the mounting portion 311, in the screwing process of the fastening piece 50, the fastening piece 50 presses down the pressing plate 40, so that the two pressing parts 41 of the pressing plate 40 synchronously move downwards, during the downward movement of the pressing portions 41 of the two pressing plates 40, the lower ends of the two pressing portions 41 respectively apply forces to the guide slopes 217 on the guide holes 215 of the two sliders 214, so that both the sliding blocks 214 are moved toward the connection sleeve 212, so that the two sliding blocks 214 are inserted into the two second connection holes 313 of the mounting portion 311 through the two third connection holes 213, so that the two sliders 214 lock the arch bar 31 with the steel beam 20 and the fastener 50 also connects the arch bar 31 with the steel beam 20.

When the pressing plate 40 is pressed down, the belleville springs 60 are compressed downward by the pressing plate 40, when the arch bar 31 is detached from the steel beam 20, the fastening members 50 are screwed out of the first connecting holes 312 of the mounting portion 311, at this time, the belleville springs 60 are reset, the belleville springs 60 jack the pressing plate 40 upward and reset, so that the two pressing portions 41 are synchronously lifted up along with the pressing plate 40, when the two pressing portions 41 are gradually lifted up, the two sliders 214 are gradually moved out of the two third connecting holes 213 under the action of the two tension springs 216, and the mutual locking of the arch bar 31 and the steel beam 20 is released.

All be connected with an batter post 70 on every steel stand 10, two batter posts 70 all incline to set up, and the upper end of two batter posts 70 is connected with the upper portion of two steel stands 10 respectively, and the lower extreme of two batter posts 70 is all fixed subaerial, and like this, two batter posts 70 can play the supporting role to two steel stands 10 for two steel stands 10 are more firm.

The large-span steel frame structure further comprises two L-shaped connecting pieces 80, the two L-shaped connecting pieces 80 comprise first connecting rods 81 and second connecting rods 82 which are perpendicular to each other, the two first connecting rods 81 are connected to the two batter posts 70 in a slidable mode respectively, the two first connecting rods 81 can slide along the length directions of the two batter posts 70 respectively, so that the two L-shaped connecting pieces 80 can slide along the length directions of the two batter posts 70 respectively, the two second connecting rods 82 are connected with fixing plates 90 in a rotatable mode, namely the two fixing plates 90 are connected with the two second connecting rods 82 in a hinged mode respectively, the two L-shaped connecting pieces 80 are provided with first stations and second stations, and the two L-shaped connecting pieces 80 are switched between the first stations and the second stations through sliding on the batter posts 70.

When the L-shaped connecting piece 80 is positioned at the first station, the L-shaped connecting piece 80 is positioned at the upper part of the inclined column 70, the L-shaped connecting piece 80 is connected to the fixing plate 90 and is vertically arranged, the fixing plate 90 is connected with the steel upright column 10 through the bolt, and at the moment, the L-shaped connecting piece 80 can play a role in strengthening the connection between the steel upright column 10 and the inclined column 70.

When the L-shaped connecting member 80 is located at the second station, the L-shaped connecting member 80 is located at the lower portion of the batter post 70, the fixing plate 90 to which the L-shaped connecting member 80 is connected is horizontally arranged, the fixing plate 90 is used for being connected with a preset mounting surface, the preset mounting surface can be on the ground or on equipment, and thus, when the batter post 70 needs to be additionally supported, the L-shaped connecting member 80 can be moved to the second station, the angle of the fixing plate 90 is adjusted, and then the fixing plate 90 is fixed to the preset mounting surface, so that the batter post 70 is additionally supported, and the inclined state of the batter post 70 is stable.