CN219548483U

CN219548483U - Existing steel construction building simply props up purlin reinforced structure

Info

Publication number: CN219548483U
Application number: CN202321150404.XU
Authority: CN
Inventors: 马中成; 丁海方; 李兴坡; 刘金钊; 王逸昕; 李玉兰; 朱燕华; 李嘉威; 王振
Original assignee: China Coal Handan Design Engineering Co ltd; China Coal Tianjin Design Engineering Co ltd
Current assignee: China Coal Handan Design Engineering Co ltd; China Coal Tianjin Design Engineering Co ltd
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-08-18
Anticipated expiration: 2033-05-12

Abstract

The utility model discloses a simple purline reinforcing structure of an existing steel structure building, which relates to the technical field of building steel structure engineering and comprises a C-shaped purline, wherein an upper flange is fixedly connected to the top of a web plate, a lower flange is fixedly connected to the bottom of the web plate, a plurality of fixing holes are formed in the middle of the web plate, square steel is arranged in the C-shaped purline, structural adhesive is adhered between the square steel and the inner wall of the web plate, through holes are formed in two side walls of the square steel, fixing bolts are inserted into the through holes and the inner parts of the fixing holes, and fixing nuts are connected to fastening ends of the fixing bolts in a threaded manner. This simple support purlin reinforced structure of existing steel construction building changes original building roofing C type purlin by simple support C type purlin into continuous C type purlin, strengthens existing C type purlin support rigidity, promotes the support position and resists roofing load bending resistance to reach the actual demand that adds photovoltaic system that satisfies existing steel construction building roofing.

Description

Existing steel construction building simply props up purlin reinforced structure

Technical Field

The utility model relates to the technical field of constructional steel structure engineering, in particular to a simple supporting purline reinforcing structure of an existing steel structure building.

Background

When the photovoltaic is added to the existing steel structure building roof, a special fixture is generally required to fix the photovoltaic plate on a profiled steel sheet of the vertical border of the existing building roof, so that the bearing capacity of the roof bearing purline is insufficient, the thin-wall galvanized purline is generally adopted for the purline, the conventional reinforcement method is difficult to carry out reinforcement under the condition of not dismantling the roof plate, only the purline can be replaced, the manufacturing cost of the added photovoltaic system is high, and the reinforcement engineering quantity is large. Therefore, it is necessary to invent a reinforced structure for simply supporting purlines of existing steel structures to solve the above problems.

Disclosure of Invention

The utility model aims to provide a simple supporting purline reinforcing structure of an existing steel structure building, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an existing steel construction building simply supported purlin reinforced structure, includes C type purlin, C type purlin includes top flange, web and bottom flange, top flange fixed connection is at the top of web, bottom flange fixed connection is in the bottom of web, a plurality of fixed orificess have been seted up at the middle part of web, and a plurality of fixed orificess are linear array and distribute, the inside of C type purlin is provided with the square steel, the adhesion has the structural adhesive between the inner wall of square steel and web, the through-hole has all been seted up to the both sides wall of square steel, the through-hole corresponds the distribution with the fixed orifices, peg graft with fixing bolt in the inside of through-hole and fixed orifices, fixing bolt's fastening end threaded connection has fixation nut.

Preferably, a supporting block is arranged between the upper flange and the square steel, and the supporting block is omega-shaped.

Preferably, the support blocks may be provided in a plurality of groups, not limited to one group.

Preferably, the thickness of the supporting block is greater than that of the upper flange.

Preferably, a reinforcing sleeve is fixedly connected between the through holes of the two side walls of the square steel, and the vertical section of the reinforcing sleeve is circular.

Preferably, rubber gaskets are sleeved at the two sides of the square steel, which are positioned by the fixing bolts.

The utility model has the technical effects and advantages that:

1. the novel added square steel is effectively connected with the existing C-shaped purline through structural adhesive, and is reinforced by using the fixing nuts and the fixing bolts, the original C-shaped purline of the building roof is changed from a simply supported C-shaped purline to a continuous C-shaped purline, the rigidity of the support of the existing C-shaped purline is enhanced, the bending resistance of the support against the roof load is improved, and the stress of the C-shaped purline at the midspan position is reduced, so that the practical requirement of the photovoltaic system additionally arranged on the building roof of the existing steel structure is met.

Drawings

FIG. 1 is a schematic diagram of a reinforcing structure of a simple purlin of an existing steel structure building.

Fig. 2 is a schematic layout view of a reinforcing structure for a simple purlin of an existing steel structure building.

FIG. 3 is a schematic view of the upper flange, square steel and support block structure of the present utility model.

FIG. 4 is a schematic view of the square steel and reinforcing sleeve structure of the present utility model.

In the figure: 1. c-shaped purlines; 2. an upper flange; 3. a web; 4. a lower flange; 5. square steel; 6. a fixing bolt; 7. a fixing nut; 8. a fixing hole; 9. a through hole; 10. structural adhesive; 11. a support block; 12. a reinforcing sleeve; 13. rubber gaskets.

Detailed Description

The technical solutions in the embodiments of the present utility model will be made clear below in conjunction with the drawings in the embodiments of the present utility model; it will be apparent that the embodiments described are only some, but not all, of the embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a reinforcing structure of a simply supported purline of an existing steel structure building, which is shown in fig. 1-4, wherein a C-shaped purline 1 comprises an upper flange 2, a web plate 3 and a lower flange 4, and the C-shaped purline 1 is an original roof purline and is fixed on a roof steel beam. The upper flange 2 and the lower flange 4 are both L-shaped and symmetrically distributed, the upper flange 2 is fixedly connected to the top of the web plate 3, and the lower flange 4 is fixedly connected to the bottom of the web plate 3. A plurality of fixed orifices 8 have been seted up at the middle part of web 3, and fixed orifices 8 are used for fixing of fixing bolt 6. The fixing holes 8 are distributed in a linear array, and the fixing holes 8 are uniformly distributed according to the length of the C-shaped purline 1. The inside of C type purlin 1 is provided with square steel 5, and square steel 5 is new reinforced structure, and square steel 5 changes original building roofing C type purlin 1 from simply supporting C type purlin 1 to continuous C type purlin 1, strengthens the rigidity of the support position of existing C type purlin 1, promotes the bending resistance of support position resistance roofing load, and then reduces and stride middle position C type purlin 1 atress. Structural adhesive 10 is adhered between the square steel 5 and the inner wall of the web plate 3, and the structural adhesive 10 can adhere the square steel 5 and the web plate 3 together. Through holes 9 are formed in the two side walls of the square steel 5, and the through holes 9 and the fixing holes 8 are distributed correspondingly and are consistent in size. The through holes 9 and the inside of the fixing holes 8 are inserted with fixing bolts 6, and the fixing bolts 6 sequentially penetrate through the fixing holes 8 and the two through holes 9 from one end of the web plate 3. The fastening end of the fixing bolt 6 is in threaded connection with a fixing nut 7, and the square steel 5C type purline 1 can be fixed by rotating the fixing nut 7.

The utility model provides a simple supporting purline reinforcing structure of an existing steel structure building, which is shown in fig. 3, wherein a supporting block 11 is arranged between an upper flange 2 and square steel 5, and the supporting block 11 is omega-shaped. The supporting blocks 11 are of high-strength elastic structures, so that the upper flange 2 of the C-shaped purline 1 has the capacity of compression resistance and buffering when being subjected to downward pressure. The supporting block 11 may be elongated and inserted between the upper flange 2 and the square steel 5.

The utility model provides a reinforcing structure of a simple supporting purline of an existing steel structure building, as shown in fig. 3, wherein a plurality of groups of supporting blocks 11 can be arranged, and the reinforcing structure is not limited to one group. The supporting blocks 11 can be uniformly distributed between the upper flange 2 and the square steel 5, so that the unbalanced load resistance of the square steel 5 is improved.

The utility model provides a simple supporting purline reinforcing structure of an existing steel structure building, as shown in fig. 3, wherein the thickness of a supporting block 11 is larger than that of an upper flange 2. The compression resistance of the supporting block 11 is ensured as much as possible.

The utility model provides a reinforcing structure of a simple supporting purline of an existing steel structure building, as shown in fig. 4, wherein a reinforcing sleeve 12 is fixedly connected between through holes 9 on two side walls of square steel 5, the vertical section of the reinforcing sleeve 12 is circular, and fixing bolts 6 pass through the reinforcing sleeve 12. The reinforcing sleeve 12 prevents the square steel 5 from being deformed by being pressed.

The utility model provides a reinforcing structure of a simple supporting purline of an existing steel structure building, as shown in fig. 4, wherein fixing bolts 6 are positioned at two sides of square steel 5 and sleeved with rubber gaskets 13. The rubber washer 13 may provide a buffer when the fixing bolt 6 and the fixing nut 7 are fastened.

Claims

1. Existing steel construction building simply supported purlin reinforced structure, including C purlin (1), its characterized in that: the C-shaped purline (1) comprises an upper flange (2), a web (3) and a lower flange (4), wherein the upper flange (2) is fixedly connected to the top of the web (3), the lower flange (4) is fixedly connected to the bottom of the web (3), a plurality of fixing holes (8) are formed in the middle of the web (3), the fixing holes (8) are distributed in a linear array, square steel (5) is arranged in the C-shaped purline (1), structural adhesive (10) is adhered between the square steel (5) and the inner wall of the web (3), through holes (9) are formed in both side walls of the square steel (5), the through holes (9) are distributed corresponding to the fixing holes (8), fixing bolts (6) are inserted into the through holes (9) and the fixing holes (8), and fastening ends of the fixing bolts (6) are connected with fixing nuts (7) in a threaded mode.

2. The reinforcing structure for simply supported purlins of existing steel structure buildings as defined in claim 1, wherein: a supporting block (11) is arranged between the upper flange (2) and the square steel (5), and the supporting block (11) is omega-shaped.

3. The reinforcing structure for simply supported purlins of existing steel structure buildings as defined in claim 2, wherein: the support blocks (11) may be provided in plural groups, and are not limited to one group.

4. A reinforced structure for simply supported purlins of an existing steel structure building as claimed in claim 3, wherein: the thickness of the supporting block (11) is larger than that of the upper flange (2).

5. The reinforcing structure for simply supported purlins of existing steel structure buildings as defined in claim 1, wherein: a reinforcing sleeve (12) is fixedly connected between the through holes (9) on the two side walls of the square steel (5), and the vertical section of the reinforcing sleeve (12) is circular.

6. The reinforcing structure for simply supported purlines of an existing steel structure building according to claim 5, wherein: the fixing bolts (6) are positioned at two sides of the square steel (5) and sleeved with rubber gaskets (13).