CN212866577U

CN212866577U - Profiled steel sheet

Info

Publication number: CN212866577U
Application number: CN202021117468.6U
Authority: CN
Inventors: 毛德麒
Original assignee: Dalian Midline Iron Production Co ltd
Current assignee: Dalian Midline Iron Production Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-04-02
Anticipated expiration: 2030-06-16

Abstract

The utility model provides a profiled sheet, relate to building material technical field, the problem of need welding angle steel when having solved to build the fender among the prior art, profiled sheet is integrated into one piece structure, including the plate body with connect its left and right sides and be located the face with left profiled keel and right profiled keel of one side, the first left side vertical folded plate and the first left side horizontal folded plate of left profiled keel form first salient angle, first left side horizontal folded plate and the second left side vertical folded plate form first reentrant angle, the first right side vertical folded plate and the first right side horizontal folded plate of right profiled keel form the second reentrant angle, first right side horizontal folded plate can indulge the folded plate with the second right side and form the second salient angle, first salient angle can be complementary with the second reentrant angle, first reentrant angle can be complementary with the second salient angle. The utility model discloses replace welding angle steel with the die mould fossil fragments, have simple structure pleasing to the eye, the material is few, need not the welding, durable pleasing to the eye characteristics.

Description

Profiled steel sheet

Technical Field

The utility model relates to a building material technical field, specific theory is a profiled steel sheet.

Background

The construction method has the advantages that the construction area needs to be enclosed by the protective enclosing plates in the building construction project, so that the attractiveness of the construction environment is guaranteed, dust and dust are prevented, and other people are prevented from entering the construction area by mistake. The prior safety protection steel plate in China is formed by welding angle steel and square tubes into a frame and then welding a safety plate on the frame, the protection coaming with the structure is not beautiful enough, more materials are consumed for construction, the construction time is wasted, the paint surface can be damaged, the steel plate is not firm and durable enough when in use, and the service life is generally 2-3 years.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to design a profiled steel sheet, it is pleasing to the eye to have simple structure, and the material is few, need not the welding, durable pleasing to the eye characteristics.

The utility model discloses a following technical scheme realizes:

the profiled steel sheet is an integrally formed structural member and comprises a sheet body, wherein the left side of the sheet body in the width direction is connected with a left profiled keel, the right side of the sheet body in the width direction is connected with a right profiled keel, and the left profiled keel and the right profiled keel are integrally positioned on the same side of the sheet surface of the sheet body; the left profiled keel and the right profiled keel extend along the length direction of the plate body, two ends of the left profiled keel in the length direction are respectively flush with corresponding ends of the plate body in the length direction, and two ends of the right profiled keel in the length direction are respectively flush with corresponding ends of the plate body in the length direction;

the left profiling keel comprises a first left longitudinal folded plate, a first left transverse folded plate, a second left longitudinal folded plate and a second left transverse folded plate which are sequentially connected; the first left longitudinal folding plate is parallel to the second left longitudinal folding plate and perpendicular to the plate body, the first left transverse folding plate is parallel to the second left transverse folding plate and parallel to the plate body, the first left transverse folding plate is located on the right side of the first left longitudinal folding plate, and the second left transverse folding plate is located on the right side of the second left longitudinal folding plate;

the right profiling keel comprises a first right side longitudinal folded plate, a first right side transverse folded plate, a second right side longitudinal folded plate and a second right side transverse folded plate which are sequentially connected; the first right side longitudinal folded plate is parallel to the second right side longitudinal folded plate and perpendicular to the plate body, the first right side transverse folded plate is parallel to the second right side transverse folded plate and parallel to the plate body, the first right side transverse folded plate is located on the right side of the first right side longitudinal folded plate, and the second right side transverse folded plate is located on the left side of the second right side longitudinal folded plate;

the board width of first left side vertical folded plate equals the board width of first right side vertical folded plate, the board width of first left side horizontal folded plate equals the board width of first right side horizontal folded plate, first left side vertical folded plate with first left side horizontal folded plate forms first salient, first left side horizontal folded plate with second left side vertical folded plate forms first reentrant angle, first right side vertical folded plate with first right side horizontal folded plate forms the second reentrant angle, first right side horizontal folded plate can form the second salient with second right side vertical folded plate, first salient can with the second reentrant angle is complementary, first reentrant angle can with the second salient angle is complementary.

When adopting above-mentioned setting structure, be provided with left die mould fossil fragments and right die mould fossil fragments respectively in the left and right sides of plate body, left die mould fossil fragments and right die mould fossil fragments all lie in the same one side of plate body, when connecting two these die mould steel sheets, can mutually counterpoint complementary completion concatenation with the left die mould fossil fragments of a die mould steel sheet and the mutual concave-convex structure of right die mould fossil fragments of another die mould steel sheet, and left die mould fossil fragments and right die mould fossil fragments accessible connecting piece are connected, and the dismouting is comparatively convenient and reuse. After the original angle steel is replaced by the profiling keel, the steel consumption and the welding process can be reduced, the steel-plate-type angle steel is convenient to disassemble and assemble and can be installed under the condition of no electricity, the production and construction cost can be effectively reduced, and the steel-plate-type angle steel is suitable for transportation and construction in large markets and luxurious places. The whole atress can be greater than several times of welding angle steel behind the plate body left and right sides setting up die mould fossil fragments, and the structure is more firm, can reach and prevent buckling, empty, the effect of increase of service life to do not have the coating of welding process back to the face and do not have the injury, can be more pleasing to the eye after the installation, more can maintain the space environment of construction area pleasing to the eye, outdoor and indoor safety enclosure of scenes such as adaptable building, fitment, maintenance especially is suitable for indoor and flourishing district enclosure.

Further for better realization the utility model discloses, adopt the following structure that sets up very much: the board width of the second left side longitudinal folding board is equal to the board width of the second right side longitudinal folding board.

When the structure is arranged, after two adjacent profiled steel sheets are spliced, the protruding distances of the structures at each position of the inner side are consistent, so that the structure is more attractive, and a connecting piece is better installed.

Further for better realization the utility model discloses, adopt the following structure that sets up very much: the board width of first left side vertical folded plate, the board width of first left side horizontal folded plate, the board width of second left side vertical folded plate and the board width of second left side horizontal folded plate, the board width of first right side vertical folded plate, the board width of first right side horizontal folded plate, the board width of second right side vertical folded plate equals.

When the structure is arranged, the profiled keels of the two adjacent profiled steel sheets can be completely complementary after being spliced, and the splicing of a 90-degree corner can be completed.

Further for better realization the utility model discloses, adopt the following structure that sets up very much: the width of the second left side transverse folded plate is equal to the width of the second right side transverse folded plate.

When adopting above-mentioned structure that sets up, the required panel width of left die mould fossil fragments is the same with right die mould fossil fragments, and the processing of being convenient for, and each limit can the parallel and level after two profiled sheet concatenations.

Further for better realization the utility model discloses, adopt the following structure that sets up very much: the right side of the left profiled keel and the left side of the right profiled keel are provided with inward-turned 90-degree flanges.

When the structure is arranged, the structural strength of the profiled keel and the deformation resistance of the boundary can be improved.

Further for better realization the utility model discloses, adopt the following structure that sets up very much: the surfaces of the plate body, the left compression keel and the right compression keel are provided with coatings or plating layers.

Further for better realization the utility model discloses, adopt the following structure that sets up very much: the width of the plate body is 500 mm.

When adopting above-mentioned structure that sets up, this plate body is only 500mm wide, and is convenient to transporting at shopping mall and flourishing district, and installation, transport also are convenient very much, as long as two people just can the construction of installation, save the manual work.

Further for better realization the utility model discloses, adopt the following structure that sets up very much: the plate body has a plate thickness of 0.6mm or more.

Further for better realization the utility model discloses, adopt the following structure that sets up very much: the plate body has a plate thickness of 1.2mm or more.

When the structure is arranged, the plate body with the thickness can fully utilize the structural strength of the profiled steel sheet and ensure light quality.

Further for better realization the utility model discloses, adopt the following structure that sets up very much: left side die mould fossil fragments first left side vertical folding plate with right die mould fossil fragments first right side vertical folding plate is provided with the connecting hole of counterpointing each other, and/or, left side die mould fossil fragments the second left side vertical folding plate with right die mould fossil fragments the second right side vertical folding plate is provided with the connecting hole of counterpointing each other.

When the structure is arranged, the preliminary positioning or final fixing can be quickly completed after the two profiled steel sheets are butted.

The utility model has the advantages of it is following and beneficial effect:

the utility model discloses in, be provided with left die mould fossil fragments and right die mould fossil fragments respectively in the left and right sides of plate body, left die mould fossil fragments and right die mould fossil fragments all lie in one side of plate body, when connecting two these die mould steel sheets, can mutually counterpoint complementary completion concatenation with the left die mould fossil fragments of a die mould steel sheet and the right die mould fossil fragments mutual concave-convex structure of another die mould steel sheet, and left die mould fossil fragments and right die mould fossil fragments accessible connecting piece are connected, but the comparatively convenient and reuse of dismouting. After the original angle steel is replaced by the profiling keel, the steel consumption and the welding process can be reduced, the steel-plate-type angle steel is convenient to disassemble and assemble and can be installed under the condition of no electricity, the production and construction cost can be effectively reduced, and the steel-plate-type angle steel is suitable for transportation and construction in large markets and luxurious places. The whole atress can be greater than several times of welding angle steel behind the plate body left and right sides setting up die mould fossil fragments, and the structure is more firm, can reach and prevent buckling, empty, the effect of increase of service life to do not have the coating of welding process back to the face and do not have the injury, can be more pleasing to the eye after the installation, more can maintain the space environment of construction area pleasing to the eye, outdoor and indoor safety enclosure of scenes such as adaptable building, fitment, maintenance especially is suitable for indoor and flourishing district enclosure.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the structure of a profiled steel sheet;

FIG. 2 is a schematic end view of a profiled steel sheet;

FIG. 3 is a schematic view of a splicing structure between profiled steel plates at a folding angle;

labeled as:

1. a plate body;

2. a left profiling keel; 21. a first left side longitudinal flap; 22. a first left side cross-folded plate; 23. a second left side longitudinal flap; 24. a second left side cross-folded plate;

3. a right profiled keel; 31. a first right side longitudinal flap; 32. a first right side cross-folded plate; 33. a second right side longitudinal flap; 34. a second right side cross flap.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1:

a profiled steel sheet has the characteristics of simple and attractive structure, less material consumption, no need of welding, firmness and attractive appearance, and is particularly set to be in the following structure as shown in figures 1, 2 and 3:

the profiled steel sheet is an integrally profiled structural part, which comprises a sheet body 1, wherein the sheet body 1 is a flat plate structural part and further comprises a left profiled keel 2 and a right profiled keel 3, and the surfaces of the sheet body 1, the left profiled keel 2 and the right profiled keel 3 are provided with coatings or plating layers. The left side of the plate body 1 in the width direction is connected with the left profiled keel 2, and the right side of the plate body 1 in the width direction is connected with the right profiled keel 3. The left profiling keel 2 and the right profiling keel 3 are integrally positioned on the same side of the plate surface of the plate body 1, namely on one side of the inner side surface of the plate body 1. The length of left die mould fossil fragments 2 and right die mould fossil fragments 3 equals with the length of plate body 1, and left die mould fossil fragments 2 extend along the length direction of plate body 1, the ascending both ends of length direction of left die mould fossil fragments 2 respectively with the ascending corresponding end parallel and level of length direction of plate body 1, the ascending both ends of length direction of right die mould fossil fragments 3 respectively with the ascending corresponding end parallel and level of length direction of plate body 1. The left profiled keel 2 is mainly formed by connecting five folded edges, wherein the five folded edges are a first left longitudinal folded plate 21, a first left transverse folded plate 22, a second left longitudinal folded plate 23, a second left transverse folded plate 24 and a left inner folded edge which are sequentially connected. The first left longitudinal folding plate 21, the first left transverse folding plate 22, the second left longitudinal folding plate 23, the second left transverse folding plate 24 and the left inner flange are all flat plate structures, and folding angles between the first left longitudinal folding plate and the second left transverse folding plate are all round angles. First left side longitudinal flap 21 is parallel and perpendicular to plate body 1 with second left side longitudinal flap 23, first left side transverse flap 22 is parallel and parallel with plate body 1 with second left side transverse flap 24, first left side transverse flap 22 begins to extend towards the right side level from the junction with first left side longitudinal flap 21 and wholly is located first left side longitudinal flap 21 right side, second left side transverse flap 24 begins to extend towards the right side level from the junction with second left side longitudinal flap 23 and wholly is located the right side of second left side longitudinal flap 23, the left side inside-out flange that second left side longitudinal flap 23 is connected then is 90 contained angles with second left side longitudinal flap 23 and extends towards plate body 1 and forms the inside-out flange. The right profiled keel 3 is mainly formed by connecting five folded edges, namely a first right longitudinal folded plate 31, a first right transverse folded plate 32, a second right longitudinal folded plate 33, a second right transverse folded plate 34 and a right inner folded edge which are sequentially connected. The first right longitudinal folding plate 31, the first right transverse folding plate 32, the second right longitudinal folding plate 33, the second right transverse folding plate 34 and the right inner flange are all flat plate structures, and folding angles between the first right longitudinal folding plate 31, the first right transverse folding plate 32, the second right longitudinal folding plate 33 and the second right transverse folding plate 34 are all round angles. First right side longitudinal flap 31 is on a parallel with second right side longitudinal flap 33 and perpendicular to plate body 1, first right side transverse flap 32 is on a parallel with second right side transverse flap 34 and is on a parallel with plate body 1, first right side transverse flap 32 is located first right side longitudinal flap 31 right side, second right side transverse flap 34 is located the left side of second right side longitudinal flap 33, the right side intussusception that second right side longitudinal flap 33 is connected then is 90 contained angles with second right side longitudinal flap 33 and extends towards plate body 1 and form the intussusception. The profiled steel sheet is a rectangular steel sheet when viewed from the outer side of the plate body 1, and the left side and the right side of the profiled steel sheet have no convex structures.

Specifically, the width of the plate body 1 is set to 500mm, the minimum plate thickness of the plate body 1 is not less than 0.6mm, and the minimum plate thickness of the plate body 1 can be increased to 1.2mm according to the actual use environment. The plate body is only 500mm wide, is convenient to transport in large markets and luxurious places, is very convenient to install and transport, and can be installed and constructed by only two persons, so that the labor is saved. And the plate body 1 with the thickness can ensure lighter weight under the condition of fully utilizing the structural strength of the profiled steel plate by the arrangement of the plate thickness, the initial calculation is carried out according to the current domestic usage amount, and the usage amount of tens of thousands of tons can be saved every year if the profiled steel plate is popularized.

In order to splice two adjacent profiled steel sheets side by side, the width of the first left longitudinal flap 21 of the profiled steel sheets is equal to the width of the first right longitudinal flap 31, the width of the first left lateral flap 22 is equal to the width of the first right lateral flap 32, the first left longitudinal flap 21 and the first left lateral flap 22 form a first convex angle of 90 °, the first left lateral flap 22 and the second left longitudinal flap 23 form a first concave angle of 90 °, the first right longitudinal flap 31 and the first right lateral flap 32 form a second concave angle of 90 °, the first right lateral flap 32 and the second right longitudinal flap 33 form a second convex angle of 90 °, the first convex angle can be complementary to the second concave angle, and the first concave angle can be complementary to the second convex angle. When two adjacent profiled steel sheets are spliced, the first left longitudinal folding plate 21 and the first right longitudinal folding plate 31 are attached in parallel, the first left transverse folding plate 22 and the first right transverse folding plate 32 are attached in parallel, and the second left longitudinal folding plate 23 and the second right longitudinal folding plate 33 are attached in parallel.

Be provided with left die mould fossil fragments 2 and right die mould fossil fragments 3 respectively in the left and right sides of plate body 1, left die mould fossil fragments 2 and right die mould fossil fragments 3 all lie in same one side of plate body 1, when connecting two these die mould steel sheets, can counterpoint complementary completion concatenation each other with the left die mould fossil fragments 2 of a die mould steel sheet and the right die mould fossil fragments 3 mutual concave-convex structures of another die mould steel sheet, left die mould fossil fragments 2 and right die mould fossil fragments 3 accessible connecting pieces are connected, the dismouting is comparatively convenient and reuse. After the original angle steel is replaced by the profiling keel, the steel consumption and the welding process can be reduced, the steel-plate-type angle steel is convenient to disassemble and assemble and can be installed under the condition of no electricity, the production and construction cost can be effectively reduced, and the steel-plate-type angle steel is suitable for transportation and construction in large markets and luxurious places. The whole stress can be more than several times of welding angle steel behind the plate body 1 left and right sides setting up die mould fossil fragments, and the structure is more firm, can reach the effect that prevents to buckle, empty, and life will have 2-3 years extension to the life-span more than 10 years of current bounding wall, and do not have the coating of welding process back to the face and do not have the injury, can be more pleasing to the eye after the installation, more can maintain the space environment of construction area pleasing to the eye, outdoor and indoor safety of adaptable scene such as building, fitment, maintenance is enclosed and is kept off, especially is suitable for enclosing and keeps off in indoor and various sections. The arrangement of the inner flanging can improve the structural strength of the profiled keel and the deformation resistance of the boundary.

Preferably, the width of the first left side longitudinal flap 21, the width of the first left side transverse flap 22, the width of the second left side longitudinal flap 23, the width of the second left side transverse flap 24, the width of the first right side longitudinal flap 31, the width of the first right side transverse flap 32, and the width of the second right side longitudinal flap 33 are equal. Like this, after two adjacent profiled sheet concatenations, profiled keel department can be complementary completely and can accomplish the concatenation of 90 bent angles departments, and inboard structure protrusion distance everywhere is unanimous, not only more pleasing to the eye, and better erection joint spare.

Preferably, the width of the second left side transverse flap 24 is equal to the width of the second right side transverse flap 34, so that the required sheet width of the left profiled keel 2 and the right profiled keel 3 is the same, the processing is convenient, and the edges can be flush after the two profiled steel sheets are spliced.

Example 2:

this embodiment is further optimized on the basis of above-mentioned embodiment, and further for better realization the utility model discloses, adopt the following structure that sets up very much:

the first left side longitudinal folding plate 21 of the left profiled keel 2 and the first right side longitudinal folding plate 31 of the right profiled keel 3 are provided with connecting holes which are mutually aligned. The second left side longitudinal folding plate 23 of the left profiled keel 2 and the second right side longitudinal folding plate 33 of the right profiled keel 3 are provided with connecting holes which are aligned with each other, so that preliminary positioning or final fixing can be quickly completed after the two profiled steel plates are butted. The two connecting holes can be arranged at any position or at two positions simultaneously, and in order to increase the connecting point positions, facilitate the installation and improve the structural stability after the installation, the connecting holes are arranged at the two positions simultaneously.

The profiled steel sheet in this embodiment can reach and prevent buckling, topple over, improves aesthetic property, increase of service life, can obtain effects such as simple to operate, reuse, reduce cost, adapts to building, fitment, maintains outdoor and indoor safety and encloses the fender, especially encloses the fender with flourishing district indoor, ensures the aesthetic property of construction exterior space environment. The angle steel is replaced by the profiling keel, welding procedures are reduced, the stress can be several times larger than that of the welding angle steel, and meanwhile, the steel plate coating is not damaged.

The plate body height and the size of the profiled steel plate can be set at will without welding. One advantage is that only 500mm is wide, and is convenient to the transportation of shopping mall and numerous district, and installation, transport are also very convenient, and only 2 people just can save the manual work through connecting piece fixed mounting construction. In the aspect of construction, the problem that construction can be carried out without electricity can be solved, the construction is safer compared with a welding mode, the profiled steel plate is more convenient to disassemble and can be used for multiple times, the use cost is reduced, the profiled steel plate can be continuously used for more than 10 years, the existing domestic safety plate, namely the coaming, can be used for only 2-3 years, and the effects of energy conservation and emission reduction are achieved in the long-term sense. Two adjacent profiled steel sheets are butted by a convex-concave structure, and the joint is seamless and stable and is beautiful.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.

Claims

1. A profiled steel sheet characterized in that: the profiled steel sheet is an integrally formed structural part and comprises a sheet body (1), wherein the left side of the sheet body (1) in the width direction is connected with a left profiled keel (2), the right side of the sheet body (1) in the width direction is connected with a right profiled keel (3), and the left profiled keel (2) and the right profiled keel (3) are integrally positioned on the same side of the sheet surface of the sheet body (1); the left profiled keel (2) and the right profiled keel (3) extend along the length direction of the plate body (1), two ends of the left profiled keel (2) in the length direction are respectively flush with corresponding ends of the plate body (1) in the length direction, and two ends of the right profiled keel (3) in the length direction are respectively flush with corresponding ends of the plate body (1) in the length direction;

the left profiling keel (2) comprises a first left longitudinal folded plate (21), a first left transverse folded plate (22), a second left longitudinal folded plate (23) and a second left transverse folded plate (24) which are sequentially connected; the first left longitudinal folding plate (21) is parallel to the second left longitudinal folding plate (23) and perpendicular to the board body (1), the first left transverse folding plate (22) is parallel to the second left transverse folding plate (24) and parallel to the board body (1), the first left transverse folding plate (22) is positioned at the right side of the first left longitudinal folding plate (21), and the second left transverse folding plate (24) is positioned at the right side of the second left longitudinal folding plate (23);

the right profiling keel (3) comprises a first right longitudinal folded plate (31), a first right transverse folded plate (32), a second right longitudinal folded plate (33) and a second right transverse folded plate (34) which are sequentially connected; the first right longitudinal flap (31) is parallel to the second right longitudinal flap (33) and perpendicular to the panel body (1), the first right transverse flap (32) is parallel to the second right transverse flap (34) and parallel to the panel body (1), the first right transverse flap (32) is located on the right side of the first right longitudinal flap (31), and the second right transverse flap (34) is located on the left side of the second right longitudinal flap (33);

the width of the first left side longitudinal flap (21) is equal to the width of the first right side longitudinal flap (31), the width of the first left side transverse flap (22) is equal to the width of the first right side transverse flap (32), the first left side longitudinal flap (21) and the first left side transverse flap (22) form a first convex angle, the first left side transverse flap (22) and the second left side longitudinal flap (23) form a first concave angle, the first right side longitudinal flap (31) and the first right side transverse flap (32) form a second concave angle, the first right side transverse flap (32) and the second right side longitudinal flap (33) form a second convex angle, the first convex angle and the second concave angle are complementary, and the first concave angle and the second convex angle are complementary.

2. A profiled steel sheet as claimed in claim 1 wherein: the width of the second left longitudinal folding plate (23) is equal to the width of the second right longitudinal folding plate (33).

3. A profiled steel sheet as claimed in claim 2 wherein: the board width of the first left side longitudinal folding board (21), the board width of the first left side transverse folding board (22), the board width of the second left side longitudinal folding board (23), the board width of the second left side transverse folding board (24), the board width of the first right side longitudinal folding board (31), the board width of the first right side transverse folding board (32) and the board width of the second right side longitudinal folding board (33) are equal.

4. A profiled steel sheet as claimed in claim 3 wherein: the width of the second left side transverse folding plate (24) is equal to the width of the second right side transverse folding plate (34).

5. A profiled steel sheet as claimed in claim 4, wherein: the right side of the left profiled keel (2) and the left side of the right profiled keel (3) are provided with inward-turned 90-degree flanges.

6. A profiled steel sheet as claimed in claim 1 wherein: the surfaces of the plate body (1), the left compression keel (2) and the right compression keel (3) are provided with coatings or plating layers.

7. A profiled steel sheet as claimed in claim 1 wherein: the width of the plate body (1) is 500 mm.

8. A profiled steel sheet as claimed in claim 7 wherein: the plate thickness of the plate body (1) is more than or equal to 0.6 mm.

9. A profiled steel sheet as claimed in claim 8 wherein: the plate thickness of the plate body (1) is more than or equal to 1.2 mm.

10. A profiled steel sheet as claimed in any one of claims 1 to 9, wherein: left side die mould fossil fragments (2) first left side vertical folding board (21) with right side die mould fossil fragments (3) first right side vertical folding board (31) is provided with the connecting hole of mutual counterpoint, and/or, left side die mould fossil fragments (2) second left side vertical folding board (23) with right side die mould fossil fragments (3) second right side vertical folding board (33) is provided with the connecting hole of mutual counterpoint.