CN201513709U

CN201513709U - Triangular light steel joist

Info

Publication number: CN201513709U
Application number: CN2009202086088U
Authority: CN
Inventors: 王建军
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-08-28
Filing date: 2009-08-28
Publication date: 2010-06-23
Anticipated expiration: 2019-08-28

Abstract

The utility model relates to the field of cold bending thin-wall steel structure pieces, in particular to a triangular light steel joist, whose outer cross section is a triangular. The triangular light steel joist is characterized in that high vertical two sides on a bottom side are upwards bent 90 degrees to form two folding sides (5) which are vertical to the bottom sides (1) from a bottom side (1) whose outer cross section is a triangular, and the folding sides (5) are upwards till the upwards folding height is one fourth of the height of the bottom side (1) to the full length of the height. The triangular light steel joist has simple structure, high intensity and rigidity and wide application scope, and the stability of a structure for bearing load is excellent.

Description

The triangle Lightgage Steel Joist

Technical field

The utility model relates to light gauge cold-formed steel shape structural member field, is specially a kind of triangle Lightgage Steel Joist.

Background technique

The parts that the triangle Lightgage Steel Joist is during the steel building object is built and industry products such as vehicle, boats and ships, bridge, Hoisting Machinery use, usually keel are the metal parts of prismatic shapes such as C type, U type, L type, be used for the connection or the support of object configurations, its shown intensity on its sectional shape and structure some supporting plane parts when construction of buildings or other products object, rigidity property are on the weak side, be anti-song bend the degree performance a little less than, application performance and economic feasibility coupling are still further being improved among the raising.

Summary of the invention

In order to replenish, improve the deficiency of prior art and kind, provide that a kind of bent tropism simple in structure, anti-can be significantly improved, light gauge cold-formed steel shape structure member applied widely, the utility model discloses a kind of triangle Lightgage Steel Joist.

The utility model reaches goal of the invention by following technical solution:

A kind of triangle Lightgage Steel Joist, outer cross section is a triangle, it is characterized in that: the both sides of section triangle one base high intersection point from this base upwards bend 90 ° of two flangings that formation is vertical with the base outside, flanging make progress supreme folding highly on this base during high 1/4 paramount total length only.

Described triangle Lightgage Steel Joist is characterized in that: the length of flanging is high length on this base, inserts an inserted sheet between two flangings, and the gap between inserted sheet and two flangings forms interference fit.

Described triangle Lightgage Steel Joist, it is characterized in that: make progress supreme folding of flanging highly is high by 1/4 to 3/4 on this base, bend 90 ° to two hypotenuses to both sides again, be formed on the crosspiece that a straight line g went up and be parallel to the base, crosspiece bends until propping up the base to the place, base again, crosspiece two ends and hypotenuse contacting part have the crimping of arc, and all there is arc transition each bending place, insert an inserted sheet in the middle of two flangings.

Described triangle Lightgage Steel Joist is characterized in that: two flangings bend until propping up two hypotenuses to two hypotenuses respectively, are parallel to the crosspiece on base more respectively with formation to another hypotenuse direction bending.

Described triangle Lightgage Steel Joist is characterized in that: outer cross section is a right-angled triangle, and crosspiece is parallel to the hypotenuse of right-angled triangle.

Described triangle Lightgage Steel Joist is characterized in that: the cross section is that equiblibrium mass distribution has circular or oval-shaped hole on the face of two hypotenuses outside.

Described triangle Lightgage Steel Joist, it is characterized in that: per two triangle Lightgage Steel Joists are fitted mutually with hypotenuse, outer cross section parallelogram or rectangle after fitting, the banding that the outer cross section of both outer cross section external application shapes and triangle Lightgage Steel Joist is complementary is solid, perhaps every plural triangle Lightgage Steel Joist is fitted mutually with hypotenuse, outer cross section is convex polygon after fitting, and the banding that the outer cross section external application shape of this convex polygon is complementary is solid.

Described triangle Lightgage Steel Joist is characterized in that: outer cross section is an isosceles right triangle, and crosspiece is parallel to the hypotenuse of right-angled triangle.

Described triangle Lightgage Steel Joist is characterized in that: per four triangle Lightgage Steel Joists are fitted mutually with the right angle face, and the outer cross section, back of fitting is square or convex polygon, and four the outer cross section external application banding of square is solid.

Triangle Lightgage Steel Joist disclosed in the utility model, fields such as building, vehicle, boats and ships, bridge, engineering machinery be can be widely used in, the plane of need reinforcing or the reinforcement or the reinforcing of objects such as facade or side or end face or inclined-plane or structural member related to; With two bar keels or the combination of the keel more than two, as: the bar keel of fitting relatively in the inclined-plane, can be used for building enclosure wall crossbeam, and can be criss-cross arranged, be positioned between floor and the floor; Square keel so that four bar keel right angle faces are fitted relatively can be used for the building column; Replace the angle steel that relates in the former machinery parts in the structure with the utility model equivalent and can reduce and obviously improve structural strength and rigidity etc. with steel weight, as: crane boom and suspension rod, as: the compartment of vehicle, boats and ships, cabin etc.; Support of bridge etc. and for example.

The beneficial effects of the utility model are: simple in structure, and when having improved anti-bent tropism energy, can also reduce or reduce and use steel weight, applied widely, and the bearing load stability of structure is good.

Description of drawings

Fig. 1 is a sectional view of the present utility model;

Fig. 2 is the sectional view of the present utility model that is added with inserted sheet;

Fig. 3 is the expansion schematic representation after the perforate on the utility model hypotenuse;

Fig. 4 is the sectional view of the present utility model that has flanging to connect between crosspiece and the base;

Fig. 5 is the sectional view of the present utility model that is with cross section in the triangle in the outer cross section of triangle;

Fig. 6 is that the utility model cross section is the sectional view of right-angled triangle;

Fig. 7 is the sectional view that keel that two cross sections of the utility model are right-angled triangle are fitted into the rectangular cross-section;

Fig. 8 is that the utility model cross section is the sectional view of isosceles right triangle;

Fig. 9 is the sectional view in the keel applying quadrate cross section that is isosceles right triangle, four cross sections of the utility model.

Embodiment

Below further specify the utility model by specific embodiment.But can not limit protection domain of the present utility model with the following example.

Embodiment 1

A kind of triangle Lightgage Steel Joist, outer cross section is a triangle, as shown in Figure 1, concrete structure is: the both sides of section triangle one base 1 high intersection point from this base upwards bend two vertical flangings 5 of 90 ° of formation and base 1 outside, the flanging 5 supreme folding that makes progress highly can be high 1/4 paramount total length on this base 1, and this example is got high total length.

In order to improve intensity, can between two flangings 5, insert an inserted sheet 51, the gap between inserted sheet 51 and two flangings 5 forms interference fit, as shown in Figure 2.

Embodiment 2

A kind of triangle Lightgage Steel Joist, the cross section is that equiblibrium mass distribution has circular or oval-shaped hole on the face of two

hypotenuses

3,4 outside.Unfolded drawing as shown in Figure 3.Other structures are all same with embodiment 1.

Embodiment 3

A kind of triangle Lightgage Steel Joist, outer cross section is a triangle, as shown in Figure 4, concrete structure is: the both sides of section triangle one base 1 high intersection point from this base upwards bend two vertical flangings 5 of 90 ° of formation and base 1 outside, make progress supreme folding of flanging 5 highly is high half on this base 1, bend 90 ° to two hypotenuses to both sides again, form in a straight line and be parallel to the crosspiece 2 on base 1, crosspiece 2 bends until propping up base 1 to 1 place, base again, crosspiece 2 two ends and

hypotenuse

3,4 contacting parts have the crimping of arc, all there is arc transition each bending place, inserts an inserted sheet 51 in the middle of two flangings 5.

Embodiment 4

A kind of triangle Lightgage Steel Joist, outer cross section is a triangle, as shown in Figure 5, concrete structure is: the both sides of section triangle one base 1 high intersection point from this base upwards bend two vertical flangings 5 of 90 ° of formation and base 1 outside, article two, flanging 5 bends until propping up two hypotenuses to two hypotenuses respectively, is parallel to the crosspiece 2 on base 1 more respectively with formation to another hypotenuse direction bending.

Embodiment 5

A kind of triangle Lightgage Steel Joist, outer cross section are triangle, and as shown in Figure 6, concrete structure is: outer cross section is a right-angled triangle, and crosspiece 2 is parallel to the hypotenuse 1 of right-angled triangle, and other structures are all same with embodiment 4.For easy clear for the purpose of, the crimping at the arc transition of bending place and crosspiece 2 two ends omits and does not draw.

Embodiment 6

A kind of triangle Lightgage Steel Joist, outer cross section is a right-angled triangle, and as shown in Figure 7, concrete structure is: per two triangle Lightgage Steel Joists are fitted mutually with hypotenuse 1, outer cross section is rectangular after fitting, and the hoop 52 that the outer cross section of both outer cross section external application shapes and triangle Lightgage Steel Joist is complementary is fastening.For easy clear for the purpose of, the crimping at the arc transition of bending place and crosspiece 2 two ends omits and does not draw.

Present embodiment can be used for the crossbeam of building.Also can be criss-cross arranged, be positioned between floor and the floor.

Embodiment 7

A kind of triangle Lightgage Steel Joist, outer cross section are triangle, and as shown in Figure 8, concrete structure is: outer cross section is an isosceles right triangle, and crosspiece 2 is parallel to the hypotenuse 1 of right-angled triangle, and other structures are all same with embodiment 4.For easy clear for the purpose of, the crimping at the arc transition of bending place and crosspiece 2 two ends omits and does not draw.

Embodiment 8

A kind of triangle Lightgage Steel Joist, outer cross section is an isosceles right triangle, as shown in Figure 9, concrete structure is: per four triangle Lightgage Steel Joists are fitted mutually with the right angle face, outer cross section is square after fitting, it is fastening that the outer cross section of square outer cross section external application is all the hoop 52 of square and size coupling, other structures all with embodiment 4 together.For easy clear for the purpose of, the crimping at the arc transition of bending place and crosspiece 2 two ends omits and does not draw.

Present embodiment can be used for the column of building.

Claims

1. triangle Lightgage Steel Joist, outer cross section is a triangle, it is characterized in that: section triangle one base (1) upwards bends 90 ° of formation, two flangings (5) vertical with base (1) in the both sides of high intersection point from this base outside, flanging (5) make progress supreme folding when highly going up high 1/4 paramount total length for this base (1) only.

2. triangle Lightgage Steel Joist as claimed in claim 1 is characterized in that: the length of flanging (5) goes up high length for this base (1), inserts an inserted sheet (51) between two flangings (5), and the gap between inserted sheet (51) and two flangings (5) forms interference fit.

3. triangle Lightgage Steel Joist as claimed in claim 1, it is characterized in that: flanging (5) makes progress supreme folding highly for high by 1/4 to 3/4 on this base (1), bend 90 ° to two hypotenuses to both sides again, form in a straight line and be parallel to the crosspiece (2) of base (1), crosspiece (2) is located bending until propping up base (1) to base (1) again, crosspiece (2) two ends and hypotenuse (3,4) contacting part has the crimping of arc, all there is arc transition each bending place, inserts an inserted sheet (51) in the middle of two flangings (5).

4. triangle Lightgage Steel Joist as claimed in claim 1 is characterized in that: two flangings (5) bend until propping up two hypotenuses to two hypotenuses respectively, are parallel to the crosspiece (2) of base (1) more respectively with formation to another hypotenuse direction bending.

5. as any described triangle Lightgage Steel Joist in the claim 1 to 3, it is characterized in that: outer cross section is a right-angled triangle, and crosspiece (2) is parallel to the hypotenuse (1) of right-angled triangle.

6. as any described triangle Lightgage Steel Joist in the claim 1 to 3, it is characterized in that: the cross section is that equiblibrium mass distribution has circular or oval-shaped hole on the face of two hypotenuses (3,4) outside.

7. triangle Lightgage Steel Joist as claimed in claim 5, it is characterized in that: per two triangle Lightgage Steel Joists are fitted mutually with hypotenuse (1), outer cross section parallelogram or rectangle after fitting, the hoop (52) that the outer cross section of both outer cross section external application shapes and triangle Lightgage Steel Joist is complementary is fastening, perhaps every plural triangle Lightgage Steel Joist is fitted mutually with hypotenuse (1), outer cross section is convex polygon after fitting, and the hoop (52) that the outer cross section external application shape of this convex polygon is complementary is fastening.

8. triangle Lightgage Steel Joist as claimed in claim 7 is characterized in that: outer cross section is an isosceles right triangle, and crosspiece (2) is parallel to the hypotenuse (1) of right-angled triangle.

9. triangle Lightgage Steel Joist as claimed in claim 7 is characterized in that: per four triangle Lightgage Steel Joists are fitted mutually with right angle face (3,4), and the outer cross section, back of fitting is square or convex polygon, and four the outer cross section external application hoop of square (52) is fastening.