CN211172697U

CN211172697U - Steel beam structure with safety and stability

Info

Publication number: CN211172697U
Application number: CN201922006943.6U
Authority: CN
Inventors: 杨爱国; 闫赛男; 李小娥
Original assignee: Guangdong Zhongye Construction Steel Structure Co ltd
Current assignee: Guangdong Zhongye Construction Steel Structure Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-08-04
Anticipated expiration: 2029-11-19

Abstract

The utility model relates to a steel construction building technical field, more specifically say, it relates to a safety and stability's girder steel structure, and its technical scheme main points are: the steel beam body comprises an upper wing plate, a lower wing plate and a web plate, the distance between the upper wing plate and the lower wing plate is gradually increased along the length direction of the steel beam body, the end of the steel beam body, with the larger distance between the upper wing plate and the lower wing plate, is set as a first end part, and the end of the steel beam body, with the smaller distance between the upper wing plate and the lower wing plate, is set as a second end part; the upper end surface of the web plate is connected with the upper wing plate, and the lower end surface of the web plate is connected with the lower wing plate; the first mounting part comprises a first end plate, the first end plate is welded at the first end part, and the first end plate is provided with a through hole; the second mounting portion is disposed at the second end portion. This girder steel structure can reduce the use of reinforcement under the prerequisite that keeps two girder steel junctions stability to reach the effect that reduces manpower and time cost consumption in the girder steel actual installation.

Description

Steel beam structure with safety and stability

Technical Field

The utility model relates to a steel construction building technical field, more specifically say, it relates to a safety and stability's girder steel structure.

Background

The steel structure, as a representative of green buildings, has the characteristics of good comprehensive performance of materials, high utilization rate of materials and excellent safety performance, wherein a steel beam is one of main components of the steel structure and is generally made of hot-rolled I-steel or channel steel and the like. In order to facilitate the transportation of the steel beam, a manufacturer generally can make the steel beam in a segmented manner in a factory and then transport the steel beam to a construction site to be spliced and installed in a welding or bolt fixing manner.

Among the prior art, when the crossbeam span after two girder steels splice is great with the bearing, behind two girder steels fixed connection, can use the reinforcement to increase the bearing capacity of two girder steels junctions usually to keep the stability after two girder steels splice, nevertheless can increase the cost consumption of manpower and time in the girder steel actual installation like this, so need improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the not enough of above-mentioned prior art, the utility model aims at providing a safety and stability's girder steel structure, this girder steel structure can reduce the use of reinforcement under the prerequisite that keeps two girder steel junctions stability to reach the effect that manpower and time cost consumed in the reduction girder steel actual installation.

The above technical purpose of the present invention can be achieved by the following technical solutions: a safe and stable steel beam structure comprises a steel beam body, a first installation part and a second installation part, wherein the steel beam body comprises an upper wing plate, a lower wing plate and a web plate, the upper wing plate and the lower wing plate are both in a rectangular plate shape, the distance between two opposite end faces of the upper wing plate and the lower wing plate is gradually increased along the length direction of the steel beam body, one end of the steel beam body, with a large distance between the upper wing plate and the lower wing plate, is set as a first end part, and one end of the steel beam body, with a small distance between the upper wing plate and the lower wing plate, is set as a second; the web plate is vertically arranged, the upper end face of the web plate is fixedly connected to the lower end face of the upper wing plate, and the lower end face of the web plate is fixedly connected to the upper end face of the lower wing plate; the first mounting part comprises a first end plate which is vertically arranged and welded at the first end part, and the first end plate is provided with a through hole for a bolt to penetrate through; the second installation part is arranged at the second end part and is used for being fixedly connected with the upright post.

Through adopting above-mentioned technical scheme, the interval of the relative both ends face of upper wing board and lower wing board is crescent from the second tip to first end, thereby make the upper wing board be the state of downward sloping from the first end towards the second end, two crossbeam bodies realize the concatenation back through the first terminal plate on two relative terminal surfaces, two class triangle-shaped that go up the pterygoid lamina that can form the apex angle, when receiving vertical decurrent bearing capacity, two oblique upper wing boards can turn into the power along upper wing board length direction with vertical decurrent bearing capacity, with the shearing stress that reduces two girder steel body junctions and receive, thereby can reduce the use of reinforcement under the prerequisite that keeps two girder steel connection stability, reach the effect that reduces manpower and time cost consumption in the girder steel actual installation process.

Preferably, the first mounting part further comprises a reinforcing component, the reinforcing component comprises a first stiffening rib and a second stiffening rib, the first stiffening rib is vertically arranged, one end of the first stiffening rib is fixedly connected with the upper wing plate, and the other end of the first stiffening rib is fixedly connected with the first end plate; the second stiffening rib is horizontally arranged, one end of the second stiffening rib is fixedly connected with the web, and one end of the first stiffening rib is fixedly connected with the first end plate.

Through adopting above-mentioned technical scheme, the stability of being connected between multiplicable first end plate and the girder steel body of setting up of first stiffening rib and second stiffening rib to keep the stability behind two girder steel bodies realize fixed connection through first end plate.

Preferably, the first stiffener and the second stiffener are each in the shape of a triangular plate.

Through adopting above-mentioned technical scheme, first stiffening rib and second stiffening rib all set up to the triangle-shaped board and can realize increasing the effect of first end plate and girder steel this body coupling stability, simple structure and can save material.

Preferably, the number of the second stiffening ribs is four, two second stiffening ribs are located on one side of the web, the other two second stiffening ribs are located on the other side of the web, and the two second stiffening ribs located on the same side of the web are uniformly distributed along the vertical direction.

Through adopting above-mentioned technical scheme, two second stiffening ribs are all installed to the both sides of web, and are located two second stiffening ribs of web one side and are even setting up for second end plate and girder steel body coupling more stable colleague also can reduce the condition that second end plate load is uneven and make second end plate warp.

Preferably, the both sides of web evenly are equipped with a plurality of reinforcing plates along the long square direction of web, the reinforcing plate all is vertical setting, just a lateral wall welding of reinforcing plate is in the lateral wall of web, the adjacent opposite side wall welding of reinforcing plate is in the lower terminal surface of last pterygoid lamina.

Through adopting above-mentioned technical scheme, two lateral walls that the reinforcing plate is adjacent weld with last pterygoid lamina and web respectively, can increase the stability that the pterygoid lamina is connected with the web to make the stable in structure of girder steel body self more excellent.

Preferably, the second mounting part comprises an upper transverse plate, a lower transverse plate, a vertical plate and a second end plate, the upper transverse plate and the lower transverse plate are both horizontally arranged, the upper first end plate and the upper wing plate are welded and fixed, and the lower transverse plate and the lower wing plate are integrally formed; the vertical plate is vertically arranged, the upper end face of the vertical plate is fixedly connected with the lower end face of the upper transverse plate, the lower end face of the vertical plate is fixedly connected with the upper end face of the lower transverse plate, and the vertical plate and the web are integrally formed; the second end plate is vertical setting, and the second end plate welds in the one end that second tip was kept away from to last diaphragm, lower diaphragm and riser.

By adopting the technical scheme, the lower transverse plate and the lower wing plate are integrally formed, and the vertical plate and the web plate are integrally formed, so that the connection between the second mounting part and the beam body has good stability; the upper transverse plate and the lower transverse plate are horizontally arranged in parallel, so that the produced cross beams can be conveniently and stably stacked; simultaneously, the setting of second end plate can go up diaphragm, lower diaphragm and riser and keep away from the lateral wall of crossbeam body and take place to collide with and the condition of warping with other steel structural component in the transportation.

Preferably, the first mounting part further comprises two stiffening plates, the two stiffening plates are vertically arranged in a rectangular plate shape, and the two stiffening plates are respectively arranged on two sides of the vertical plate; the upper end of the stiffening plate is welded on the lower end face of the upper transverse plate, the lower end of the stiffening plate is welded on the upper end face of the lower transverse plate, and one side end of the stiffening plate is welded on the side wall of the vertical plate.

Through adopting above-mentioned technical scheme, the stiffening plate can promote the bearing capacity of last diaphragm and lower diaphragm, and the connection between last diaphragm, lower diaphragm and the riser is more stable simultaneously to play the effect that improves second installation department structural stability.

Preferably, the upper cross plate has a thickness greater than that of the upper wing plate.

Through adopting above-mentioned technical scheme, because of there is the angle of inclination in last pterygoid lamina relative horizontal plane, go up the thickness of pterygoid lamina and be greater than the thickness of last pterygoid lamina, can be convenient for weld the last pterygoid lamina on the terminal surface of last diaphragm, and can make the stability of being connected of last pterygoid lamina and last diaphragm more excellent.

To sum up, the utility model discloses following beneficial effect has:

1. after the two beam bodies are spliced through the first end plates on the two opposite end surfaces, the two upper wing plates can form a triangle-like shape with the vertex angle upward, and when the two beam bodies are subjected to vertical downward bearing force, the two inclined upper wing plates can convert the vertical downward bearing force into force along the length direction of the upper wing plates so as to reduce the shear stress on the joint of the two steel beam bodies;

2. the first stiffening ribs and the second stiffening ribs can increase the connection stability between the first end plate and the steel beam body, so that the stability of the two steel beam bodies after the two steel beam bodies are fixedly connected through the first end plate is maintained;

3. the thickness of going up the pterygoid lamina is greater than the upper limb plate thickness, can be convenient for weld the upper limb plate on the terminal surface of upper limb plate, and can make the stability of being connected of upper limb plate and upper limb plate more excellent.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Reference numerals: 1. a steel beam body; 1a, an upper wing plate; 1b, a lower wing plate; 1c, a web; 1d, a first end; 1e, a second end; 2. a first end plate; 2a, a through hole; 3. a first stiffener; 4. a second stiffener; 5. a reinforcing plate; 6. an upper transverse plate; 7. a lower transverse plate; 8. a vertical plate; 9. a second end plate; 10. a stiffening plate; 11. a connecting plate; 11a, kidney-shaped holes.

Detailed Description

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

The utility model provides a safe and stable's girder steel structure, refer to FIG. 1, including girder steel body 1, first installation department and second installation department, it is specific, girder steel body 1 includes pterygoid lamina 1a, pterygoid lamina 1b and web 1c down, wherein, pterygoid lamina 1a is the rectangle steel sheet that the width is the same with pterygoid lamina 1b down, and the interval of two relative terminal surfaces of pterygoid lamina 1a and pterygoid lamina 1b down increases along 1 length direction of girder steel body gradually, simultaneously, establish the one end that the interval is big with pterygoid lamina 1a down 1b in the girder steel body 1 into first tip 1d, the one end that the interval is little of pterygoid lamina 1a and pterygoid lamina 1b down in the girder steel body 1 is. The lower wing plate 1b is parallel to the horizontal plane, and the upper wing plate 1a forms an inclined angle with the horizontal plane, i.e. the upper wing plate 1a is inclined downwards from the first end portion 1d to the second end portion 1e in this embodiment.

The web 1c is vertically fixed between the upper wing plate 1a and the lower wing plate 1b, and the upper end surface of the web 1c is welded to the middle position of the lower end surface of the upper wing plate 1a in the width direction of the upper wing plate 1a, and the lower end surface of the web 1c is welded to the middle position of the upper end surface of the lower wing plate 1b in the width direction of the lower wing plate 1 b. In addition, a plurality of reinforcing plates 5 are arranged on the two sides of the web plate 1c along the width direction of the steel beam body 1, and the reinforcing plates 5 are uniformly distributed along the rectangular direction of the web plate 1 c; meanwhile, the reinforcing plate 5 is a quadrilateral steel plate vertical to the side wall of the web 1c, one side wall of the reinforcing plate 5 is welded to the side wall of the web 1c, and the other side wall adjacent to the reinforcing plate 5 is welded to the lower end face of the upper wing plate 1 a.

Referring to fig. 1, the first installation portion is installed in first end 1d of girder steel body 1, and specifically, the first installation portion includes first end plate 2 and reinforcement assembly, wherein, first end plate 2 is the rectangle steel sheet that welds in first end 1d, and first end plate 2 and lower pterygoid lamina 1b mutually perpendicular, and when lower pterygoid lamina 1b was the horizontality promptly, first end plate 2 was vertical state. Meanwhile, the width of the first end plate 2 is the same as the width of the upper wing plate 1a and the lower wing plate 1b, and the length of the first end plate 2 is greater than the distance between the upper wing plate 1a and the lower wing plate 1b, so that the upper end of the first end plate 2 is higher than the upper end surface of the upper wing plate 1a, and the lower end of the first end plate 2 is lower than the lower end surface of the lower wing plate 1 b. In addition, first end plate 2 still offers the through-hole 2a that is used for supplying the bolt to run through, and in this embodiment, two through-holes 2a have all been offered to the four sides of first end plate 2, have offered eight through-holes 2a on first end plate 2 promptly in total.

In addition, the reinforcing component is arranged between the first end plate 2 and the steel beam body 1, and specifically, the reinforcing component comprises two first stiffening ribs 3 and two second stiffening ribs 4, wherein the two first stiffening ribs 3 are respectively positioned at the upper end and the lower end of the first end plate 2 close to the steel beam body 1; in this embodiment, the first stiffening rib 3 is a triangular steel plate vertically arranged, one side of the first stiffening rib 3 located above is welded to the first end plate 2, and the adjacent side is welded to the upper end surface of the upper wing plate 1 a; one side edge of the first stiffening rib 3 positioned below is welded to the first end plate 2, and the adjacent one side edge is welded to the lower end face of the lower wing plate 1 b. In addition, the number of the second stiffening ribs 4 is four, and the four second stiffening ribs 4 are horizontally arranged right-angled triangular steel plates, wherein two second stiffening ribs 4 are positioned on one side of the web plate 1c, the other two second stiffening ribs 4 are positioned on the other side of the web plate 1c, and the two second stiffening ribs 4 positioned on the same side of the web plate 1c are uniformly distributed along the vertical direction; in addition, one leg of the second stiffener 4 is welded to the end surface of the first end plate 2 near the first end 1d, and the other leg of the second stiffener 4 is welded to the side wall of the web 1 c.

Referring to fig. 1, the second installation department is installed in second tip 1e, and the second installation department is used for with stand fixed connection, it is concrete, the second installation department includes diaphragm 6, diaphragm 7 down, riser 8, second end plate 9 and stiffener 10, wherein, diaphragm 6 all is the level setting with diaphragm 7 down, and go up diaphragm 6 and last pterygoid lamina 1a through welded fastening connection, and simultaneously, the thickness of going up diaphragm 6 is greater than the thickness of last pterygoid lamina 1a, so that will personally submit the last pterygoid lamina 1a terminal surface at the angle of inclination with the level and weld in the terminal surface of last diaphragm 6 steadily.

For the second installation department has good stability with being connected of crossbeam body, lower diaphragm 7 can be with lower pterygoid lamina 1b integrated into one piece's steel sheet, in this embodiment, the lower end plate of lower diaphragm 7 still has connecting plate 11 along vertical direction welding, and has seted up four waist shape holes 11a that are used for supplying the bolt to run through on the connecting plate 11. The vertical plate 8 is also a steel plate formed integrally with the web 1c, and specifically, the upper end surface of the vertical plate 8 is welded to the lower end surface of the upper horizontal plate 6, and the lower end surface of the vertical plate 8 is welded to the upper end surface of the lower horizontal plate 7. Meanwhile, the second end plate 9 is a vertically arranged rectangular steel plate, and the second end plate 9 is welded to one end of the upper transverse plate 6, the lower transverse plate 7 and the vertical plate 8, which is far away from the second end portion 1 e.

In addition, the number of the stiffening plates 10 is two, the two stiffening plates 10 are both vertically arranged rectangular plates, and the two stiffening plates 10 are both vertical to the vertical plate 8; simultaneously, two stiffening plates 10 are located riser 8 respectively along the both sides of riser 8 thickness direction, and the stiffening plate 10 welds in the lateral wall of riser 8 near the one end of riser 8, and is corresponding, and the upper end of stiffening plate 10 welds in the lower terminal surface of last diaphragm 6, and the lower extreme of stiffening plate 10 welds in the up end of diaphragm 7 down.

Through adopting above-mentioned technical scheme, stiffening plate 10 can promote the bearing capacity of going up diaphragm 6 and lower diaphragm 7, and the connection between going up diaphragm 6, lower diaphragm 7 and the riser 8 is more stable simultaneously to play the effect that improves second installation department structural stability.

The utility model discloses a theory of operation does: the distance between the opposite end surfaces of the upper wing plate 1a and the lower wing plate 1b gradually increases from the second end 1e to the first end 1d, so that the upper wing plate 1a is in a state of being inclined downward from the first end 1d to the second end 1 e; after the two beam bodies are spliced through the first end plates 2 on the two opposite end surfaces, the two upper wing plates 1a can form a triangle-like shape with the vertex angle upward, and when the two beam bodies are subjected to vertical downward bearing force, the two inclined upper wing plates 1a can convert the vertical downward bearing force into force along the length direction of the upper wing plates 1a so as to reduce the shear stress on the joint of the two steel beam bodies 1; therefore, the use of the reinforcing piece can be reduced on the premise of keeping the connection stability of the two steel beams, and the effect of reducing the consumption of manpower and time cost in the actual installation process of the steel beams is achieved. Simultaneously, the stability of being connected between multiplicable first end plate 2 and the girder steel body 1 of setting up of first stiffening rib 3 and second stiffening rib 4 to keep two girder steel bodies 1 to realize the stability behind the fixed connection through first end plate 2.

The above embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention.

Claims

1. The utility model provides a safety and stability's girder steel structure, characterized by: the steel beam comprises a steel beam body (1), a first installation part and a second installation part, wherein the steel beam body (1) comprises an upper wing plate (1a), a lower wing plate (1b) and a web plate (1c), the upper wing plate (1a) and the lower wing plate (1b) are both in a rectangular plate shape, the distance between two opposite end faces of the upper wing plate (1a) and the lower wing plate (1b) is gradually increased along the length direction of the steel beam body (1), a first end part (1d) is arranged at one end of the steel beam body (1) with a large distance between the upper wing plate (1a) and the lower wing plate (1b), and a second end part (1e) is arranged at one end of the steel beam body (1) with a small distance between the upper wing plate (1a) and the; the web (1c) is vertically arranged, the upper end face of the web (1c) is fixedly connected to the lower end face of the upper wing plate (1a), and the lower end face of the web (1c) is fixedly connected to the upper end face of the lower wing plate (1 b); the first mounting part comprises a first end plate (2), the first end plate (2) is vertically arranged, the first end plate (2) is welded to the first end part (1d), and the first end plate (2) is provided with a through hole (2a) for a bolt to penetrate through; the second installation part is arranged at the second end part (1e) and is used for being fixedly connected with the upright post.

2. A safe and stable steel beam structure as claimed in claim 1, wherein: the first installation part further comprises a reinforcing component, the reinforcing component comprises a first stiffening rib (3) and a second stiffening rib (4), the first stiffening rib (3) is vertically arranged, one end of the first stiffening rib (3) is fixedly connected with the upper wing plate (1a), and the other end of the first stiffening rib (3) is fixedly connected with the first end plate (2); the second stiffening rib (4) is horizontally arranged, one end of the second stiffening rib (4) is fixedly connected with the web (1c), and one end of the first stiffening rib (3) is fixedly connected with the first end plate (2).

3. A safe and stable steel beam structure as claimed in claim 2, wherein: the first stiffening rib (3) and the second stiffening rib (4) are both in a triangular plate shape.

4. A safe and stable steel beam structure as claimed in claim 2 or 3, wherein: the number of the second stiffening ribs (4) is four, two second stiffening ribs (4) are located on one side of the web (1c), the other two second stiffening ribs (4) are located on the other side of the web (1c), and the two second stiffening ribs (4) located on the same side of the web (1c) are uniformly distributed along the vertical direction.

5. A safe and stable steel beam structure as claimed in claim 1, wherein: the long square direction of web (1c) is evenly equipped with a plurality of reinforcing plates (5) along the both sides of web (1c), reinforcing plate (5) are vertical setting, just a lateral wall welding of reinforcing plate (5) is in the lateral wall of web (1c), the adjacent opposite side wall welding of reinforcing plate (5) is in the lower terminal surface of last pterygoid lamina (1 a).

6. A safe and stable steel beam structure as claimed in claim 1, wherein: the second mounting part comprises an upper transverse plate (6), a lower transverse plate (7), a vertical plate (8) and a second end plate (9), the upper transverse plate (6) and the lower transverse plate (7) are both horizontally arranged, the upper first end plate (2) and the upper wing plate (1a) are welded and fixed, and the lower transverse plate (7) and the lower wing plate (1b) are integrally formed; the vertical plate (8) is vertically arranged, the upper end face of the vertical plate (8) is fixedly connected with the lower end face of the upper transverse plate (6), the lower end face of the vertical plate (8) is fixedly connected with the upper end face of the lower transverse plate (7), and the vertical plate (8) and the web plate (1c) are integrally formed; second end plate (9) are vertical setting, and second end plate (9) weld in last diaphragm (6), lower diaphragm (7) and riser (8) keep away from the one end of second tip (1 e).

7. A safe and stable steel beam structure as claimed in claim 6, wherein: the first installation part also comprises two stiffening plates (10), the two stiffening plates (10) are both vertically arranged in a rectangular plate shape, and the two stiffening plates (10) are respectively arranged on two sides of the vertical plate (8); the upper end of the stiffening plate (10) is welded on the lower end face of the upper transverse plate (6), the lower end of the stiffening plate (10) is welded on the upper end face of the lower transverse plate (7), and one side end of the stiffening plate (10) is welded on the side wall of the vertical plate (8).

8. A safe and stable steel beam structure as claimed in claim 6, wherein: the thickness of the upper transverse plate (6) is larger than that of the upper wing plate (1 a).