CN210219288U

CN210219288U - Square tube with high bearing capacity

Info

Publication number: CN210219288U
Application number: CN201920509325.0U
Authority: CN
Inventors: Guoming Li; 李国明
Original assignee: Tangshan Tianyi Industry Co Ltd
Current assignee: Tangshan Tianyi Industry Co Ltd
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2020-03-31
Anticipated expiration: 2029-04-16

Abstract

The utility model discloses a square and rectangular tube with high bearing capacity, which comprises a square and rectangular tube body, wherein the square and rectangular tube body is formed by bending and enclosing steel plates to form four tube surfaces with rectangular cross sections, the four tube surfaces are a top tube surface, a bottom tube surface, a left tube surface and a right tube surface, and a plurality of trapezoidal grooves are uniformly formed in the inner sides of the left tube surface, the right tube surface and the bottom tube surface; still be provided with a bight supporting component on four angles of square tube body medial extremity separately, connect through the strengthening rib between the bight supporting component, strengthening rib quantity is four, every adjacent two is connected to the strengthening rib bight supporting component, with the left side tube face the right side tube face with the bottom tube face is relative be equipped with the several on the strengthening rib with trapezoidal groove cooperation connection's trapezoidal lug. The utility model discloses anti bearing capacity of cutting is strong, and structural strength is high, has avoided stress concentration, has prolonged the life of square tube in the use greatly.

Description

Square tube with high bearing capacity

Technical Field

The utility model relates to a steel construction technical field, more specifically the square tube with high bearing capacity that says so relates to one kind.

Background

For a long time, industrial and civil buildings in China are generally constructed by reinforced concrete, the engineering period is long, the pollution is large, and recyclable building materials are few. Along with the implementation of the national strategy of building a conservation-oriented society and recycling economy, the building develops towards the green direction, namely towards the steel structure. The round steel pipe and the square steel pipe become steel products which are popularized and applied, the square steel pipe is closed cold-formed steel, belongs to special-shaped steel pipes, is widely applied to the fields of automobile manufacturing, mechanical manufacturing, agricultural machinery manufacturing, ship manufacturing, building industry and the like at present, and is particularly used in larger amount in the fields of architectural decoration, railway transportation, high-grade furniture, urban environment beautification and the like. However, the demand of square and rectangular pipes with higher bearing capacity in the above fields is increasing, and the demand is difficult to meet by the existing square and rectangular steel pipes.

Therefore, how to improve the existing square rectangular tube structure and improve the bearing capacity thereof is a problem that needs to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a square tube with high bearing capacity.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a square and rectangular tube with high bearing capacity comprises a square and rectangular tube body, wherein the square and rectangular tube body is formed by bending and enclosing steel plates to form four tube surfaces with rectangular sections, four corners of the square and rectangular tube body are arc-shaped, the four tube surfaces are a top tube surface, a bottom tube surface, a left tube surface and a right tube surface, welding seams capable of being welded are formed at the positions of the top tube surface, and a plurality of trapezoidal grooves are uniformly formed in the inner sides of the left tube surface, the right tube surface and the bottom tube surface; still be provided with a bight support component on four angles of square tube body medial extremity separately, connect through the strengthening rib between the bight support component, strengthening rib quantity is four, every adjacent two is connected to the strengthening rib bight support component with the left side tube face the right side tube face with the bottom tube face is relative be equipped with the trapezoidal lug of several on the strengthening rib, trapezoidal lug with the left side tube face the right side tube face with trapezoidal groove on the bottom tube face is mutually supported and is connected.

The utility model discloses an evenly set up the dovetail groove at the medial surface of square tube to set up the trapezoidal lug with dovetail groove adaptation connection on the strengthening rib, make the square tube pass and cut contact surface greatly increased at the in-process that bears load, and then pass and cut the ability stronger, owing to its structure characteristics, all have the ability of shearing in the positive and negative direction of the direction that shears moreover. Additionally, the utility model discloses well bight support component has also improved the structural strength of square tube greatly with the structural design of strengthening rib itself, has improved its bearing capacity.

On the basis of the technical scheme, the utility model discloses still can make following improvement:

preferably, the trapezoid groove is an isosceles trapezoid groove, and the trapezoid projection is an isosceles trapezoid block matched with the trapezoid groove. The isosceles trapezoid structure can ensure that the square and rectangular tubes are uniformly stressed in all directions, ensure the reasonability of a stress system and ensure the bearing stability of the square and rectangular tubes.

Preferably, the number of the trapezoidal grooves is 3-7.

Preferably, the depth of the trapezoidal groove is 0.2-0.4 times of the thickness of the corresponding pipe surface, and the depth needs to ensure that the self-strength of the left pipe surface and the right pipe surface is not influenced too much and the deformation of the trapezoidal groove under the action of external load is small.

Preferably, the corner support member is a support column, a support plate or a support angle. The corner support members are capable of supporting corners of the square tube body to minimize deformation of the corners during external loads on the square tube as a whole.

According to the technical scheme, compare with prior art, the utility model discloses a square tube with high bearing capacity, its anti shear bearing capacity is strong, and structural strength is high, has avoided stress concentration, has prolonged the life of square tube in the use greatly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of one embodiment of the present invention.

Fig. 2 is a schematic structural diagram of another embodiment of the present invention.

Fig. 3 is a schematic structural diagram of the reinforcing rib.

Wherein, in the figure,

1-top tube face; 2-bottom tube surface; 3-left side tube surface; 4-right tube side; 5-welding a seam; 6-corner support members; 7-reinforcing ribs; 8-trapezoidal bumps; 9-trapezoidal groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the embodiment of the utility model discloses a square tube with high bearing capacity, including the square tube body, this square tube body is bent by the steel sheet and surrounds four tube faces that form the cross-section and present the rectangle that form, and four angles of square tube body all are arc, can effectively reduce stress concentration, are difficult for impairedly when making it suffer from external force.

The four tube faces of the square tube body are a top tube face 1, a bottom tube face 2, a left tube face 3 and a right tube face 4, and welding seams 5 capable of being welded are formed at the position of the top tube face 1. The inner sides of the left pipe surface 3, the right pipe surface 4 and the bottom pipe surface 2 are uniformly provided with a plurality of trapezoidal grooves 9, the number of the trapezoidal grooves 9 is preferably 3-7, and the trapezoidal grooves 9 are more preferably isosceles trapezoidal grooves.

Each corner support member 6 is further provided at each of four corners of the inner end of the rectangular tube body, and the corner support members 6 may be an inclined support plate as shown in fig. 1, an angle steel as shown in fig. 2, or other support structures, which are not illustrated here. Connect through strengthening rib 7 between the

bight supporting part

6, 7 quantity of strengthening rib are four, two adjacent bight supporting part 6 are connected to every strengthening rib 7 promptly, with left side tube face 3, right side tube face 4, all be equipped with the trapezoidal lug of several 8 on the strengthening rib 7 that bottom tube face 2 is relative, these trapezoidal lug 8 and left side tube face 3, right side tube face 4, isosceles trapezoid groove on the bottom tube face 2 is mutually supported and is connected, can strengthen biography between square tube face and the strengthening rib 7 and cut ability etc. improve the wholeness of structure.

In order to further optimize the technical scheme, the depth of the trapezoidal groove 9 is 0.2-0.4 times of the thickness of the corresponding tube surface.

The utility model discloses a concrete theory of operation does:

the utility model discloses an at left side tube face 3, right side tube face 4, bottom tube face 2 sets up dovetail groove 9 to correspond the trapezoidal lug 8 of design and this dovetail groove 9 looks adaptation on strengthening rib 7, make strengthening rib 7 can assist and bear the ascending effort of a plurality of directions of coming through the tube face transmission, and the intraductal bight supporting part 6 that is connected with strengthening rib 7 that still is equipped with of square tube, like this, the atress also can all be shared to other tube faces that are connected with bight supporting part 6, finally makes the utility model discloses square tube has the horizontal or vertical rigidity good, and the bearing capacity is strong, advantages such as safe and reliable, and then has prolonged the life of square tube greatly.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The square and rectangular pipe with high bearing capacity comprises a square and rectangular pipe body and is characterized in that the square and rectangular pipe body is formed by bending and enclosing steel plates to form four pipe surfaces with rectangular sections, four corners of the square and rectangular pipe body are arc-shaped, the four pipe surfaces comprise a top pipe surface (1), a bottom pipe surface (2), a left pipe surface (3) and a right pipe surface (4), a welding seam (5) capable of implementing welding is formed at the position of the top pipe surface (1), and a plurality of trapezoidal grooves (9) are uniformly formed in the inner sides of the left pipe surface (3), the right pipe surface (4) and the bottom pipe surface (2); still be provided with a bight support component (6) on four angles of square tube body medial extremity separately, connect through strengthening rib (7) between bight support component (6), strengthening rib (7) quantity is four, every adjacent two is connected in strengthening rib (7) bight support component (6), with left side tube face (3) right side tube face (4) with bottom tube face (2) are relative be equipped with the trapezoidal lug of several (8) on strengthening rib (7), trapezoidal lug (8) with left side tube face (3) right side tube face (4) with trapezoidal groove (9) on bottom tube face (2) are mutually supported and are connected.

2. The square tube with high bearing capacity of claim 1, wherein: the trapezoid-shaped groove (9) is an isosceles trapezoid-shaped groove, and the trapezoid-shaped bump (8) is an isosceles trapezoid-shaped block matched with the trapezoid-shaped groove (9).

3. The square tube with high bearing capacity of claim 1, wherein: the number of the trapezoidal grooves (9) is 3-7.

4. The square tube with high bearing capacity of claim 1, wherein: the depth of the trapezoidal groove (9) is 0.2-0.4 times of the thickness of the corresponding tube surface.

5. The square tube with high bearing capacity of claim 1, wherein: the corner supporting part (6) is a supporting column, a supporting plate or a supporting angle steel.