High-bearing light-weight structural beam

Abstract

The utility model discloses a high-load-bearing light-weight structural type cross beam which comprises a cross beam body, a rivet is arranged on the lower portion of the center of the cross beam body, steel rope clamping pieces are arranged on the two end sides of the cross beam body, and steel ropes are clamped and tightened by the steel rope clamping pieces on the two sides. And the rivet is pressed on the steel rope, so that a certain included angle is formed between the steel rope and the horizontal direction. The steel rope is clamped and tightened through the steel rope clamping pieces on the two sides, the needed pulling force is provided through the steel rope, and the rivet is matched to provide a force in the opposite direction at the maximum bending moment position, so that the downward pressure is balanced, and the stress transfer effect is achieved; the effect of improving the bearing capacity of the cross beam body is further achieved; and moreover, thickening and material change are not needed, and the overall material cost is reduced while the lightweight design requirement is met.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery outer frame crossbeams, and in particular relates to a high-load-bearing lightweight structural crossbeam. Background Art

[0002] In the battery outer frame, crossbeams are often used to stabilize the frame and improve the frame's bearing capacity.

[0003] When the crossbeam needs to have a larger load-bearing capacity, the traditional method requires increasing the amount of material used in the crossbeam to meet the load-bearing capacity requirements, and at the same time requires using higher-strength materials to reduce the deformation of the crossbeam during use. However, increasing the amount of material used in the crossbeam will inevitably increase the overall mass of the battery, making it difficult to achieve the overall lightweight design requirements of the battery; and using higher-strength materials will inevitably increase the overall manufacturing cost of the battery.

[0004] In order to achieve the overall lightweight design requirements of the battery, while having higher load-bearing capacity, bending durability and low cost requirements, a high-load-bearing lightweight structural beam is urgently needed. Utility Model Content

[0005] The utility model aims at solving the problems in the prior art and proposes the following technical solutions:

[0006] A high-load-bearing lightweight structural beam comprises a beam body, a rivet is arranged at the lower center of the beam body, steel rope clamps are arranged at both ends of the beam body, the steel rope clamps on both sides clamp and tighten the steel rope, the rivets are pressed on the steel rope and make the steel rope form a certain angle with the horizontal direction.

[0007] The basic principle of this utility model is that when the beam body is under pressure, the deformation is the largest at the position of the maximum bending moment, which is generally at the center of the beam body. If a force in the opposite direction is applied in advance at this position to offset the pressure that is about to be compressed, the deformation of the beam body can be placed in the most ideal state by adjusting the magnitude of the opposite force, so as to achieve the effect of stress transfer. This utility model clamps the tightened steel rope through the steel rope clamps on both sides, provides the required tension through the steel rope, and cooperates with the rivets to provide a force in the opposite direction at the maximum bending moment position, which is then used to balance the downward pressure to achieve the effect of stress transfer.

[0008] As a preferred embodiment of the above technical solution, a groove is provided on the rivet, and the steel rope is stuck in the groove.

[0009] The groove can limit the position of the steel rope pressed on the bottom of the rivet.

[0010] As a preferred embodiment of the above technical solution, the steel rope clamp includes a support and a three-petal clamp, the support is provided with a tapered hole, and the tapered hole matches the three-petal clamp.

[0011] The working principle of the steel rope clamp is: when the steel rope is pulled out, the three-petal clamp is brought out, and the steel rope is released after the set tension is reached. After release, the three-petal clamp is squeezed toward the conical hole on the support under the action of tension, so that the three-petal clamp clamps the steel rope.

[0012] As a preferred embodiment of the above technical solution, the rivet is composed of a handle and a nail column which are integrally arranged, and the end of the nail column is processed with a thread.

[0013] As a preferred embodiment of the above technical solution, a circular through hole is opened on the front side of the beam body, and a threaded hole is processed on the back inner wall of the beam body. The nail column passes through the circular through hole and is tightened and fixed in the threaded hole on the back inner wall of the beam body by the thread at the end.

[0014] The beneficial effects of the utility model are:

[0015] The utility model clamps the tensioned steel rope through the steel rope clamping parts on both sides, provides the required tension through the steel rope, cooperates with the rivet to provide a force in the opposite direction at the maximum bending moment position, and is further used to balance the downward pressure to achieve the effect of stress transfer; thereby playing the effect of improving the bearing capacity of the beam body; and the utility model does not need to thicken or change its own material, and reduces the overall material cost while meeting the lightweight design requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 What is shown is a schematic diagram of the overall three-dimensional structure of the practical crossbeam;

[0017] Figure 2 What is shown is a cutaway view of the overall three-dimensional structure of the practical crossbeam;

[0018] Figure 3 Shown is a schematic diagram of the structure of the support and the three-petal clamp in the practical crossbeam;

[0019] Figure 4 Shown is a force analysis diagram of the center portion of the practical crossbeam.

[0020] Reference numerals

[0021] 10. Beam body; 20. Rivet; 21. Groove; 30. Support; 40. Steel rope; 50. Three-petal clamp. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution of the present utility model will be clearly and completely described below in conjunction with the embodiments.

[0023] like Figure 1-Figure 3 As shown:

[0024] It includes a beam body 10, a rivet 20 is arranged at the lower center of the beam body 10, and steel rope clamps are arranged on both ends of the beam body 10. The steel rope clamps on both sides clamp and tighten the steel rope 40, and the rivet 20 is pressed on the steel rope 40 so that the steel rope 40 forms a certain angle with the horizontal direction.

[0025] The basic principle of the present invention is: when the beam body 10 is under pressure, the deformation is the largest at the position of the maximum bending moment, generally at the center of the beam body 10. If a reverse force is applied in advance at this position to offset the pressure that is about to be compressed, the deformation of the beam body 10 can be adjusted to an ideal state by adjusting the magnitude of the reverse force to achieve the effect of stress transfer. The present structure clamps the tensioned steel rope 40 through the steel rope clamps on both sides, provides the required tension through the steel rope 40, and cooperates with the rivet 20 to provide a reverse force at the maximum bending moment position, which is then used to balance the downward pressure to achieve the effect of stress transfer.

[0026] The rivet 20 is provided with a groove 21, and the steel rope 40 is stuck in the groove 21; by providing the groove 21, the steel rope 40 pressed on the bottom of the rivet 20 can be limited, and the contact part between the steel rope 40 and the rivet 20

[0027] The steel rope clamp includes a support 30 and a three-petal clamp 50. A conical hole is opened on the support 30, and the conical hole and the three-petal clamp 50 match; the working principle of the steel rope clamp is: when the steel rope 40 is pulled out, the three-petal clamp 50 is brought out, and the steel rope 40 is released after reaching the set tension. After release, the three-petal clamp 50 is squeezed toward the conical hole on the support 30 under the action of tension, so that the three-petal clamp 50 clamps the steel rope 40.

[0028] The rivet 20 consists of an integrally arranged handle and a nail column, and the end of the nail column is processed with a thread; a circular through hole is opened on the front side of the beam body 10, and a threaded hole is processed on the back inner wall of the beam body 10. The nail column passes through the circular through hole and is screwed and fixed in the threaded hole on the back inner wall of the beam body 10 by the thread at the end.

[0029] Example

[0030] like Figure 4 As shown, in this embodiment, a tension F=0.8Eg is provided to both ends of the steel rope 40, where Eg is the deadweight of the beam body 10; the angle between the steel rope 40 and the horizontal direction is Ф, and the reverse support stress F provided to the beam body 10 in this embodiment is 竖直 =FsinФ, and at the same time, the horizontal stress component F 水平 =FcosФ.

[0031] It should be added that: when the vertical height of the beam body 10 is small, or the length of the beam body 10 is long, the angle between the steel rope 40 and the horizontal direction will be too small, and the horizontal component force will exceed the stress limit of the current profile. Therefore, in this case, if the cross-sectional area of ​​the profile is not increased, the rivet 20 can be increased to multiple, and the maximum bending moment is in the middle of the multiple rivets 20, which can still make the beam body 10 reach a balanced and stable state.

[0032] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. High load-bearing lightweight structural beam, characterized in that: The invention comprises a beam body (10), wherein a rivet (20) is arranged at the lower center of the beam body (10), and steel rope clamps are arranged at both ends of the beam body (10), wherein the steel rope clamps at both ends clamp and tighten a steel rope (40), and the rivet (20) is pressed on the steel rope (40) so that the steel rope (40) forms a certain angle with the horizontal direction.

2. The high-load-bearing lightweight structural crossbeam according to claim 1, characterized in that: The rivet (20) is provided with a groove (21), and the steel rope (40) is stuck in the groove (21).

3. The high-load-bearing lightweight structural crossbeam according to claim 1, characterized in that: The steel rope clamping piece comprises a support (30) and a three-petal clamp (50); a tapered hole is provided on the support (30), and the tapered hole matches the three-petal clamp (50).

4. The high-load-bearing lightweight structural crossbeam according to claim 1, characterized in that: The rivet (20) is composed of a handle and a nail column which are arranged in one piece, and the end of the nail column is processed with a thread.

5. The high-load-bearing lightweight structural crossbeam according to claim 4, characterized in that: The front side of the crossbeam body (10) is provided with a circular through hole, and the back inner wall of the crossbeam body (10) is processed with a threaded hole. The nail column passes through the circular through hole and is screwed and fixed in the threaded hole on the back inner wall of the crossbeam body (10) by means of the thread at the end.

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