Aluminum profile for bullet train underframe

Abstract

The utility model discloses an aluminum profile for a bullet train underframe, which comprises an aluminum profile main body, a cavity is arranged in the middle of the inner side surface of the aluminum profile main body, four corners of the inner side surface of the cavity are fixedly connected with fixing rods, and one end of each fixing rod is fixedly connected with a fixing frame. According to the aluminum profile for the bullet train underframe, through the arrangement of the fixing rods, the fixing frames, the reinforcing ribs, the corrugated plates, the springs, the compression-resistant rings and the supports, the fixing rods and the fixing frames protect the aluminum profile body against deformation, the multiple reinforcing ribs can enhance the tolerance and are not prone to being bent after being subjected to external force, and when the corrugated plates are locally extruded or impacted, force is transmitted to other parts, so that the service life of the aluminum profile body is prolonged. The aluminum profile body is provided with the pressure-resistant ring, so that each position can bear higher pressure, the pressure-resistant ring is matched with the spring for use, external impact force can be effectively reduced, a good buffering effect and a good pressure dispersing effect are achieved, the pressure-resistant ring is matched with the support for use, the phenomenon that a cavity in the aluminum profile body deforms is avoided, and the service life is longer.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum profiles, and particularly relates to an aluminum profile for a motor car underframe. Background Technique

[0002] The lightweight of rail vehicles has always been the goal of rail transit. Reducing the vehicle's own weight can not only save materials, reduce power consumption, but also reduce vehicle wear and extend the service life of the vehicle, bringing huge economic benefits. The underframe is a rectangular frame composed of various longitudinal and transverse aluminum profiles. It supports the car body and is the foundation of the car body.

[0003] After retrieval, Chinese Patent Publication (Announcement) No. CN208698778U discloses an aluminum profile for a motor car underframe, including a square tubular base material. It is characterized in that several reinforcing skeletons are arranged inside the base material, and the several reinforcing skeletons are triangular. Rib plates are arranged between the reinforcing skeletons. A transverse plate is arranged at the upper end of the reinforcing skeletons. Several first rib plates are arranged on the transverse plate, and the first rib plates are perpendicular to the transverse plate. A protective layer is arranged outside the base material, and a wire outlet groove is arranged outside the protective layer. The purpose of the utility model is to provide an aluminum profile for a motor car underframe, which can effectively reduce the weight of the motor car underframe, has good anti-corrosion effect, and can extend the service life of the underframe.

[0004] Although the aluminum profile of the above patent has good corrosion resistance, its structure is single and it is difficult to effectively improve the use strength of the aluminum profile. During long-term use, it is easy to cause local stress increase of the aluminum profile, and then cause the aluminum profile to bend or even break and damage, which is not convenient for continued use. Therefore, it is necessary to design an aluminum profile for a motor car underframe to solve the above problems. Summary of the Utility Model

[0005] The main purpose of the utility model is to provide an aluminum profile for a motor car underframe, which can effectively solve the problems in the background technique.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0007] An aluminum profile for a motor car underframe includes an aluminum profile main body. A cavity is opened in the middle of the inner side surface of the aluminum profile main body. Fixed rods are fixedly connected to the four corners of the inner side surface of the cavity. One end of the fixed rod is fixedly connected to a fixed frame; Reinforcing ribs are fixedly connected to both sides of the outer surface of the fixed frame. Corrugated plates are fixedly connected to the upper surface and the lower surface of the fixed frame. Springs are fixedly connected to the inner side surface of the corrugated plates. A compression ring is fixedly connected to the inner side surface of the fixed frame. A bracket is fixedly connected to the inside of the compression ring.

[0008] In order to achieve the effect of enhancing wear resistance, as an aluminum profile for a motor car underframe of the utility model, a wear-resistant layer is fixedly connected to the outer surface of the aluminum profile main body.

[0009] In order to achieve the effect of enhancing corrosion resistance, as an aluminum profile for the underframe of a motor vehicle of the present utility model, a corrosion-resistant layer is fixedly connected to the inner side of the wear-resistant layer.

[0010] In order to achieve the effect of enhancing weather resistance, as an aluminum profile for the underframe of a motor vehicle of the present utility model, a weather-resistant layer is fixedly connected to the inner side of the corrosion-resistant layer.

[0011] In order to achieve the effect of facilitating the left-right connection of the aluminum profile, as an aluminum profile for the underframe of a motor vehicle of the present utility model, a groove is provided on one side of the outer surface of the aluminum profile body, and a convex block is fixedly connected to the other side of the outer surface of the aluminum profile body.

[0012] In order to achieve the effect of facilitating the left-right fixation of the aluminum profile, as an aluminum profile for the underframe of a motor vehicle of the present utility model, first connection holes are provided on the upper surface of the convex block and the aluminum profile body near one side of the groove, and a first bolt is threadedly connected inside the first connection hole.

[0013] In order to achieve the effect of facilitating the front-back connection of the aluminum profile, as an aluminum profile for the underframe of a motor vehicle of the present utility model, clamping plates are fixedly connected to the top and bottom of the front surface of the aluminum profile body, and clamping grooves are provided on the top and bottom of the back surface of the aluminum profile body.

[0014] In order to achieve the effect of facilitating the left-right fixation of the aluminum profile, as an aluminum profile for the underframe of a motor vehicle of the present utility model, second connection holes are provided on the upper surface of the clamping plate and the aluminum profile body near both sides of the clamping groove, and a second bolt is threadedly connected inside the second connection hole.

[0015] Compared with the prior art, the present utility model has the following beneficial effects:

[0016] 1. In the present utility model, through the settings of the fixing rod, fixing frame, reinforcing rib, corrugated plate, spring, compression ring and bracket, the fixing rod and the fixing frame protect the aluminum profile body from being deformed easily. Multiple reinforcing ribs can enhance the bearing capacity and are not easily bent after being subjected to external forces, so the bending strength is enhanced. When the corrugated plate is locally squeezed or impacted, it transmits the force to the other parts, enabling each position to withstand higher pressures. Cooperating with the spring, it can effectively reduce the external impact force, playing a good buffering role and a role in dispersing the pressure. The compression ring and the bracket cooperate with each other to avoid the phenomenon that the cavity inside the aluminum profile body is deformed, and the service life is longer.

[0017] 2. In the present utility model, through the settings of the wear-resistant layer, corrosion-resistant layer, weather-resistant layer, grooves, bumps, clamping plates and clamping grooves, the wear-resistant layer enables the main body of the aluminum profile to have reduced wear during long-term use. The corrosion-resistant layer has extremely high corrosion resistance and can prevent the main body of the aluminum profile from corroding and rusting. The weather-resistant layer plays a role in high-temperature resistance and reduces the influence of thermal expansion and contraction in the later stage. The bumps are clamped inside the grooves, which can increase the width of multiple main bodies of the aluminum profile. Multiple main bodies of the aluminum profile are clamped inside the clamping grooves at the rear end through the clamping plates at the front end, which can connect multiple main bodies of the aluminum profile and extend the length of the main body of the aluminum profile, increasing the extensibility of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is the front view structural schematic diagram of the embodiment of the present utility model;

[0019] Figure 2 is the rear view structural schematic diagram of the embodiment of the present utility model;

[0020] Figure 3 is the structural schematic diagram of the reinforcing rib of the embodiment of the present utility model;

[0021] Figure 4 is the structural schematic diagram of the corrugated plate of the embodiment of the present utility model;

[0022] Figure 5 is the structural schematic diagram of the inner wall of the main body of the aluminum profile of the embodiment of the present utility model.

[0023] In the figure: 1, main body of the aluminum profile; 2, cavity; 3, fixing rod; 4, fixing frame; 5, reinforcing rib; 6, corrugated plate; 7, spring; 8, compression ring; 9, bracket; 10, wear-resistant layer; 11, corrosion-resistant layer; 12, weather-resistant layer; 13, groove; 14, bump; 15, first connection hole; 16, first bolt; 17, clamping plate; 18, clamping groove; 19, second connection hole; 20, second bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Embodiment

[0026] As Figures 1-5As shown in the figure, an aluminum profile for the underframe of a motor car includes an aluminum profile main body 1. A cavity 2 is formed in the middle of the inner side surface of the aluminum profile main body 1. Fixed rods 3 are fixedly connected to the four corners of the inner side surface of the cavity 2, and one end of each fixed rod 3 is fixedly connected to a fixed frame 4. Reinforcing ribs 5 are fixedly connected to both sides of the outer surface of the fixed frame 4. Corrugated plates 6 are fixedly connected to the upper and lower surfaces of the fixed frame 4. Springs 7 are fixedly connected to the inner side surfaces of the corrugated plates 6. A compression-resistant ring 8 is fixedly connected to the inner side surface of the fixed frame 4, and a support 9 is fixedly connected to the inside of the compression-resistant ring 8.

[0027] During specific use, through the arrangement of the fixed rods 3, fixed frame 4, reinforcing ribs 5, corrugated plates 6, springs 7, compression-resistant ring 8 and support 9, one end of the four groups of fixed rods 3 is fixed at the four corners of the inner side surface of the cavity 2, and the other end is fixed at the four corners of the outer surface of the fixed frame 4, supporting the whole, greatly increasing the structural strength, protecting the aluminum profile main body 1 from being deformed easily. Multiple reinforcing ribs 5 are evenly fixed on the outer surfaces of the fixed frame 4 and the fixed rods 3 in the form of a horizontal array, with good supporting ability, which can enhance the tolerance and is not easily bent after being subjected to external forces, and the bending strength is strengthened. When the corrugated plate 6 is locally squeezed or impacted, it transfers the force to the other parts, enabling each position to withstand higher pressure, thereby achieving the purpose of improving the overall strength of the aluminum profile main body 1. When used in cooperation with the spring 7, it can effectively reduce the external impact force, avoid damage to the aluminum profile main body 1 caused by excessive external impact force, and play a good buffering role and pressure dispersion role. The compression-resistant ring 8 and the support 9 are used in cooperation to avoid the phenomenon of deformation of the internal cavity of the aluminum profile main body 1, and the service life is longer.

[0028] In this embodiment, a wear-resistant layer 10 is fixedly connected to the outer surface of the aluminum profile main body 1.

[0029] During specific use, through the arrangement of the wear-resistant layer 10, the wear-resistant layer 10 enables the aluminum profile main body 1 to reduce wear during long-term use and extends the service life.

[0030] In this embodiment, a corrosion-resistant layer 11 is fixedly connected to the inner side surface of the wear-resistant layer 10.

[0031] During specific use, through the arrangement of the corrosion-resistant layer 11, the corrosion-resistant layer 11 has extremely high corrosion resistance and can prevent the aluminum profile main body 1 from corroding and rusting.

[0032] In this embodiment, a weather-resistant layer 12 is fixedly connected to the inner side surface of the corrosion-resistant layer 11.

[0033] During specific use, through the arrangement of the weather-resistant layer 12, it has the effect of high temperature resistance, reduces the influence of thermal expansion and contraction in the later stage, thereby improving the use effect and increasing the adaptability during use.

[0034] In this embodiment, a groove 13 is formed on one side of the outer surface of the aluminum profile body 1, and a convex block 14 is fixedly connected to the other side of the outer surface of the aluminum profile body 1.

[0035] During specific use, through the settings of the groove 13 and the convex block 14, the convex block 14 is snapped into the inside of the groove 13, and the width of multiple aluminum profile bodies 1 can be increased, expanding the scope of use.

[0036] In this embodiment, first connection holes 15 are formed on one side of the upper surfaces of the convex block 14 and the aluminum profile body 1 close to the groove 13, and a first bolt 16 is threadedly connected to the inside of the first connection holes 15.

[0037] During specific use, through the setting of the first bolt 16, after the convex block 14 is snapped into the inside of the groove 13, the first bolt 16 is threadedly connected to the corresponding first connection hole 15 inside to fix the two, preventing the aluminum profile body 1 from shaking after connection, and thus improving the stability after installation.

[0038] In this embodiment, clamping plates 17 are fixedly connected to the top and bottom of the front surface of the aluminum profile body 1, and clamping grooves 18 are formed on the top and bottom of the back surface of the aluminum profile body 1.

[0039] During specific use, through the settings of the clamping plates 17 and the clamping grooves 18, multiple aluminum profile bodies 1 are connected by clamping the clamping plates 17 at the front end into the clamping grooves 18 at the rear end, and the length of the aluminum profile body 1 can be extended, increasing the extensibility of use.

[0040] In this embodiment, second connection holes 19 are formed on both sides of the upper surfaces of the clamping plates 17 and the aluminum profile body 1 close to the clamping grooves 18, and a second bolt 20 is threadedly connected to the inside of the second connection holes 19.

[0041] During specific use, through the setting of the second bolt 20, after the clamping plate 17 is snapped into the inside of the clamping groove 18, the second bolt 20 is threadedly connected to the corresponding second connection hole 19 inside to limit and fix the two, making the connection more firm.

[0042] Working principle: During use, the bump 14 is snapped into the inside of the groove 13, and the first bolt 16 is threadedly connected to the corresponding first connection hole 15 to fix the two, which can increase the width of multiple aluminum profile bodies 1. Multiple aluminum profile bodies 1 are snapped into the inside of the card slots 18 at the rear through the card plates 17 at the front, which can connect multiple aluminum profile bodies 1 and extend the length of the aluminum profile body 1. The second bolt 20 is threadedly connected to the inside of the corresponding second connection hole 19, making the connection more firm. The wear-resistant layer 10 enables the aluminum profile body 1 to reduce wear during long-term use. The corrosion-resistant layer 11 prevents the aluminum profile body 1 from corroding and rusting. The weather-resistant layer 12 has the effect of withstanding high temperatures. The four groups of fixing rods 3 and the fixing frame 4 greatly increase the structural strength. Multiple reinforcing ribs 5 can enhance the bearing capacity and are not easily bent after being subjected to external forces. When the corrugated plate 6 is locally squeezed or impacted, it transfers the force to the other parts, enabling each position to withstand higher pressures. Used in cooperation with the spring 7, it can effectively reduce the external impact force, avoid damage to the aluminum profile body 1 caused by excessive external impact force, and play a good buffering role and a role in dispersing pressure. The compression ring 8 and the bracket 9 are used in cooperation to avoid the phenomenon of deformation of the cavity inside the aluminum profile body 1, and the service life is longer.

[0043] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. An aluminum profile for the underframe of a motor car, comprising an aluminum profile main body (1), characterized in that: A cavity (2) is provided in the middle of the inner side surface of the aluminum profile body (1). Fixed rods (3) are fixedly connected to the four corners of the inner side surface of the cavity (2), and one end of each fixed rod (3) is fixedly connected to a fixed frame (4). Reinforcing ribs (5) are fixedly connected to both sides of the outer surface of the fixed frame (4). Corrugated plates (6) are fixedly connected to the upper and lower surfaces of the fixed frame (4). Springs (7) are fixedly connected to the inner side surfaces of the corrugated plates (6). A compression ring (8) is fixedly connected to the inner side surface of the fixed frame (4), and a support (9) is fixedly connected to the inside of the compression ring (8).

2. The aluminum profile for the underframe of a bullet train according to claim 1, wherein: A wear-resistant layer (10) is fixedly connected to the outer surface of the aluminum profile body (1).

3. The aluminum profile for the underframe of a bullet train according to claim 2, characterized in that: A corrosion-resistant layer (11) is fixedly connected to the inner side surface of the wear-resistant layer (10).

4. The aluminum profile for the underframe of a bullet train according to claim 3, characterized in that: A weather-resistant layer (12) is fixedly connected to the inner side surface of the corrosion-resistant layer (11).

5. An aluminum profile for the underframe of a bullet train according to claim 1, characterized in that: A groove (13) is provided on one side of the outer surface of the aluminum profile body (1), and a convex block (14) is fixedly connected to the other side of the outer surface of the aluminum profile body (1).

6. The aluminum profile for the underframe of a bullet train according to claim 5, characterized in that: First connection holes (15) are provided on the upper surface of the convex block (14) and the aluminum profile body (1) close to one side of the groove (13), and first bolts (16) are threadedly connected to the inside of the first connection holes (15).

7. The aluminum profile for the underframe of a motor car according to claim 1, wherein: Clamping plates (17) are fixedly connected to the top and bottom of the front surface of the aluminum profile body (1), and clamping grooves (18) are provided on the top and bottom of the back surface of the aluminum profile body (1).

8. The aluminum profile for the underframe of a bullet train according to claim 7, characterized in that: Second connection holes (19) are provided on both sides of the upper surface of the clamping plate (17) and the aluminum profile body (1) close to the clamping grooves (18), and second bolts (20) are threadedly connected to the inside of the second connection holes (19).

Images