CN213105540U

CN213105540U - High-rigidity cross beam

Info

Publication number: CN213105540U
Application number: CN202021956100.9U
Authority: CN
Inventors: 禹静; 陈玉祥; 孔德军
Original assignee: Shandong Labor Vocational and Technical College
Current assignee: Shandong Labor Vocational and Technical College
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-05-04
Anticipated expiration: 2030-09-09

Abstract

The utility model relates to a high-rigidity beam, which comprises a rectangular tube, wherein two ends of the rectangular tube are of solid structures, and the rectangular tube comprises an upper surface, a lower surface, a front surface, a rear surface, a left surface and a right surface; a plurality of first reinforcing pipes connected with the rectangular pipes are arranged between the front and the back in the rectangular pipes, and a plurality of second reinforcing pipes connected with the rectangular pipes are arranged between the upper surface and the lower surface in the rectangular pipes; the first reinforced pipes and the second reinforced pipes are alternately distributed in the rectangular pipe; the first reinforcing pipe is vertical to the front surface and the rear surface; the second reinforcing pipe is perpendicular to the upper and lower surfaces.

Description

High-rigidity cross beam

Technical Field

The utility model relates to a high rigidity crossbeam.

Background

At present, high-rigidity and large-span beam structures are used in many fields, such as large-span gantry machining centers, large-span machine tools and the like, but the existing beams are generally short in length, on one hand, the requirements cannot be met in the length direction, and on the other hand, if the length is only increased, the rigidity of the beams cannot meet the requirements; in addition, in order to meet the requirement on the rigidity of the cross beam in the prior art, the rigidity of the cross beam is generally increased by increasing the sectional area of the cross beam, and although the rigidity of the cross beam can be effectively improved by the method, the whole gantry structure is large and heavy, and the transportation and assembly difficulty is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that exists among the prior art, the utility model provides a new high rigidity crossbeam, the bending strength and the torsional strength of this crossbeam see can satisfy current demand.

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

a high-rigidity beam comprises a rectangular pipe, wherein two ends of the rectangular pipe are of solid structures, and the rectangular pipe comprises an upper surface, a lower surface, a front surface, a rear surface, a left surface and a right surface; a plurality of first reinforcing pipes connected with the rectangular pipes are arranged between the front and the back in the rectangular pipes, and a plurality of second reinforcing pipes connected with the rectangular pipes are arranged between the upper surface and the lower surface in the rectangular pipes; the first reinforced pipes and the second reinforced pipes are alternately distributed in the rectangular pipe; the first reinforcing pipe is vertical to the front surface and the rear surface; the second reinforcing pipe is perpendicular to the upper and lower surfaces.

Furthermore, the first reinforcing pipe and the second reinforcing pipe are round pipes.

Furthermore, the first reinforcing pipe and the second reinforcing pipe are welded with the inner wall surface of the rectangular pipe.

Furthermore, the solid parts at the two ends of the rectangular pipe are provided with connecting holes, so that the connection between the beam and other beams is realized.

The utility model has the advantages that:

the utility model discloses an aspect designs into solid construction with the tip of crossbeam, increases the rigidity of tip, arranges the different reinforced pipe of a plurality of directions simultaneously in rectangular pipe inside, has consequently improved the bending strength and the torsional strength of crossbeam for on the whole warp little, and for current crossbeam light in weight again, on the basis of satisfying high rigidity and good manufacturability, realize the lightweight.

Drawings

FIG. 1 is a schematic structural view of a high rigidity cross member;

in the figure, 1, a second reinforcing pipe, 2, a rectangular pipe, 3, a first reinforcing pipe, 4 solid parts and 5 solid parts.

Detailed Description

In order to make the structure of the present invention clearer, the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1, the high rigidity beam provided by the present invention comprises a rectangular tube 2, a plurality of first reinforcing tubes 3 and a plurality of second reinforcing tubes 1.

Wherein the rectangular tube 2 is a hollow tube with a rectangular cross section; the rectangular tube 2 comprises an upper surface, a lower surface, a front surface, a rear surface, a left surface and a right surface; a plurality of reinforcing tubes connected with the rectangular tubes are uniformly arranged between the front side surface, the rear side surface and the upper side surface and the lower side surface in the rectangular tube 1; namely, a plurality of first reinforcing pipes 3 connected with the rectangular pipes are arranged between the front and the back in the rectangular pipes 2, and a plurality of second reinforcing pipes 1 connected with the rectangular pipes are arranged between the upper surface and the lower surface in the rectangular pipes; the first reinforcing tubes 3 and the second reinforcing tubes 1 are alternately distributed in the rectangular tube; and the first reinforced pipe 3 is vertical to the front and back surfaces; the second reinforcement pipe 1 is perpendicular to the upper and lower surfaces.

The first reinforcing pipe 3 and the second reinforcing pipe 1 are round pipes, and the diameters of the round pipes correspond to the hole diameters of the side faces of the rectangular pipes 2. The first reinforcing tube 3 and the second reinforcing tube 1 are disposed at positions where the rectangular tubes are weak in rigidity, for example, at intermediate positions, along the length direction of the rectangular tubes; for most of the beam structures, the rigidity of the middle position is higher than that of the two ends of the beam structure are crossed, and the deformation is larger, so that the first reinforcing pipe 3 and the second reinforcing pipe 1 can be arranged at the middle position of the rectangular pipe.

The two ends of the rectangular pipe 2 are solid structures (corresponding to the

solid parts

4 and 5 in fig. 1), and connecting holes can be formed in the solid structures to realize the connection between the beam and other beams, and the connection between the beam and other components can also be realized in a welding mode.

The processing method of the high-rigidity beam comprises the following steps:

1. processing a first reinforcing pipe 3, wherein the length of the first reinforcing pipe 3 is equal to the length of the long side of the cross section of the rectangular pipe 2; the outer diameter of the second reinforcing pipe 3 is 1/3 of the size of the long side of the cross section of the rectangular pipe 2;

2. processing a second reinforced pipe 1, wherein the length of the second reinforced pipe 1 is equal to the length of the short side of the cross section of the rectangular pipe 2; the outer diameter of the second reinforcing pipe 1 is 1/3 of the size of the long side of the cross section of the rectangular pipe 2;

3. according to design requirements, holes are sequentially formed in the upper side surface, the lower side surface, the front side surface and the rear side surface of the rectangular pipe 2, and preferably, the hole diameter is slightly larger than the outer diameter of the second reinforced pipe 1 and the outer diameter of the first reinforced pipe 3; and the distance between two adjacent holes is approximately equal to the size of the short side of the cross section of the rectangular pipe 2 along the length direction of the rectangular pipe 2;

4. the second reinforcing pipe 1, the first reinforcing pipe 3 and the rectangular pipe 2 are welded through a welding process, so that the second reinforcing pipe 1, the first reinforcing pipe 3 and the rectangular pipe 2 are welded into a whole at the opening, and the welded second reinforcing pipe 1 and the welded first reinforcing pipe 3 are arranged in the rectangular pipe 2 in a staggered mode.

The utility model discloses an aspect designs into solid construction with the tip of crossbeam, increases the rigidity of tip, arranges the different reinforced pipe of a plurality of directions simultaneously in rectangular pipe inside to make the rectangular pipe form a plurality of little atress units, consequently improved the bending strength and the torsional strength of rectangular pipe, warp on the whole little, light in weight, on the basis that satisfies high rigidity and good manufacturability, realize the lightweight.

Although the specific embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above embodiments, and various modifications or variations that can be made by those skilled in the art without creative efforts are still within the scope of the present invention.

Claims

1. A high rigidity crossbeam which characterized in that: the rectangular pipe comprises a rectangular pipe, wherein two ends of the rectangular pipe are of solid structures, the middle of the rectangular pipe is of a hollow structure, and the rectangular pipe comprises an upper surface, a lower surface, a front surface, a rear surface, a left surface and a right surface; a plurality of first reinforcing pipes connected with the rectangular pipes are arranged between the front and the back in the rectangular pipes, and a plurality of second reinforcing pipes connected with the rectangular pipes are arranged between the upper surface and the lower surface in the rectangular pipes; the first reinforced pipes and the second reinforced pipes are alternately distributed in the rectangular pipe; the first reinforcing pipe is vertical to the front surface and the rear surface; the second reinforcing pipe is perpendicular to the upper and lower surfaces.

2. The high rigidity crossmember according to claim 1, wherein: the first reinforcing pipe and the second reinforcing pipe are round pipes.

3. The high rigidity crossmember according to claim 1, wherein: the first reinforcing pipe, the second reinforcing pipe and the rectangular pipe are welded together.

4. The high rigidity crossmember according to claim 1, wherein: and connecting holes are formed in two ends of the rectangular pipe.

5. The high rigidity crossmember according to claim 1, wherein: the diameters of the first reinforced pipe and the second reinforced pipe are equal.