Glass fiber reinforced plastic bullet train framework

By introducing vertical cushioning mechanism, side cushioning mechanism and spring damper into the fiberglass EMU skeleton, combined with universal ball connection, the problem of difficult disassembly and installation of skeleton parts in the prior art is solved, and the cushioning ability and safety of the skeleton are improved sex.

CN222329873UActive Publication Date: 2025-01-10ANHUI HENGRUI ENVIRONMENTAL ENGINEERING CO LTD
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Patent Information

Application Number
CN202421257280.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-01-10
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

The existing EMU skeleton parts made of metal are integrated into one, difficult to disassemble and install, and have limited ability to buffer external impacts.

Method used

A fiberglass EMU skeleton is designed, using fiberglass disc, vertical buffer mechanism, side buffer mechanism and spring damper. Through the combination of vertical buffer mechanism, side buffer mechanism and spring damper, the buffering capacity of the skeleton is improved, and through Universal ball connection avoids rigid connections.

Benefits of technology

The vertical and side buffering capabilities of the skeleton are realized, the overall buffering performance is improved, rigid connections are avoided, and the safety and flexibility of the skeleton are enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a glass fiber reinforced plastic bullet train framework which comprises a first glass fiber reinforced plastic disc, a second glass fiber reinforced plastic disc is arranged at the bottom of the first glass fiber reinforced plastic disc, and the top of the first glass fiber reinforced plastic disc and the bottom of the second glass fiber reinforced plastic disc are the same in structure. A vertical buffering mechanism is arranged between the glass fiber reinforced plastic base plate and the first glass fiber reinforced plastic disc, and circular grooves are formed in the outer walls of the first glass fiber reinforced plastic disc and the second glass fiber reinforced plastic disc. The vertical buffering capacity can be achieved between the frameworks, the vertical impact force buffering effect is guaranteed, the side face buffering capacity can be achieved on the side faces of the frameworks through the side face buffering mechanisms between the first vertical rods and the first glass fiber reinforced plastic discs, and the side face vertical impact force effect is guaranteed; by arranging a plurality of third springs and third dampers which are fixedly connected between the first glass fiber reinforced plastic disc and the second glass fiber reinforced plastic disc, the overall buffering capacity of the framework can be further improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of frames, in particular to a fiberglass reinforced plastic motor vehicle frame. Background Art

[0002] The existing EMU frames are generally made of metal materials, and the components on them are all integrally formed. If a component on it is broken, the entire product needs to be replaced, which is a one-time thing. The existing technology has the following shortcomings: the existing frames are generally made of metal materials, and the components on it are all integrally formed, which makes it difficult to disassemble and install the fiberglass frame, causing great inconvenience during maintenance or replacement.

[0003] After searching, the Chinese patent authorization announcement number CN210942039U discloses a new type of FRP skeleton, including a FRP chassis and a FRP top plate, wherein the FRP chassis and the FRP top plate are both provided with a clamping mechanism, and the two clamping mechanisms extend out of the FRP top plate and the FRP chassis respectively; the clamping mechanism includes a FRP chuck, which is arranged inside the FRP chassis and extends out of the top of the FRP chassis, and the top of the FRP chuck is provided with a plurality of fixing grooves, and the FRP chuck is fixed with a clamping block on both sides, and the bottom of the two clamping blocks is fixed with a fixing block. The above patent has the following shortcomings: the skeleton parts are all fixedly connected by rigid connection, resulting in the limited ability of the skeleton to buffer external impact. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a fiberglass reinforced plastic motor vehicle frame.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A fiberglass motor vehicle frame comprises a first fiberglass disc, a second fiberglass disc is arranged at the bottom of the first fiberglass disc, the top of the first fiberglass disc and the bottom of the second fiberglass disc have the same structure, a fiberglass chassis is arranged on the top of the first fiberglass disc, a vertical buffer mechanism is arranged between the fiberglass chassis and the first fiberglass disc, a circular groove is opened on the outer wall of the first fiberglass disc and the second fiberglass disc, a first vertical rod and a second vertical rod are arranged inside the circular groove, and a side buffer mechanism is arranged between the first vertical rod and the first fiberglass disc.

[0007] Preferably, a plurality of third springs and a third damper are fixedly connected between the first fiberglass reinforced plastic disc and the second fiberglass reinforced plastic disc.

[0008] Preferably, the vertical buffer mechanism includes a second spring and a second damper, a plurality of support rods are arranged between the first fiberglass disk and the second fiberglass disk, sliders are arranged on the outer walls of the first fiberglass disk and the fiberglass chassis, and the two ends of the second spring and the second damper are fixedly connected to the support rods and the sliders respectively.

[0009] Preferably, an annular groove is formed on the outer wall of the first FRP disc and the FRP bottom plate, and the sliding block is slidably connected to the inside of the annular groove.

[0010] Preferably, the side buffer mechanism includes a movable block and a hydraulic rod, a plurality of movable grooves are opened on the outer walls of the first vertical rod and the second vertical rod, the movable block and the inner wall of the movable groove are slidingly connected, the movable block and the hydraulic rod are rotatably connected, the other end of the hydraulic rod is rotatably connected with a movable ring, and the support rod passes through the movable ring.

[0011] Preferably, a universal ball is slidably connected between the first vertical rod and the second vertical rod.

[0012] Preferably, the fiberglass chassis is provided with a notch, the inner wall of the notch is rotatably connected to a rotating disk, and a plurality of first springs and a first damper are fixedly connected between the rotating disk and the first vertical rod and the second vertical rod respectively.

[0013] The beneficial effects of the utility model are:

[0014] 1. By setting a vertical buffer mechanism between the FRP chassis and the first FRP disc, the frame can have a vertical buffering capacity to ensure the effect of buffering vertical impact force. By setting a side buffer mechanism between the first vertical rod and the first FRP disc, the side of the frame can be buffered to ensure the effect of side vertical impact force. By setting a plurality of third springs and third dampers fixedly connected between the first FRP disc and the second FRP disc, the overall buffering capacity of the frame can be further improved.

[0015] 2. The first vertical rod and the second vertical rod are connected and fixed to the fiberglass chassis by a rotating disk, a first spring and a first damper, which not only ensures the rotation ability of the first vertical rod and the second vertical rod, but also can utilize the first spring and the first damper to provide buffering protection for the fiberglass chassis. The first vertical rod and the second vertical rod are connected and fixed with a universal ball, so that the skeletons are movably connected to avoid rigid connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall external structure of a proposed fiberglass reinforced plastic train frame;

[0017] Figure 2 This is a schematic diagram of the partial main structure of a proposed fiberglass reinforced plastic train frame;

[0018] Figure 3This is a schematic diagram of the side main structure of a proposed fiberglass reinforced plastic train frame;

[0019] Figure 4 This is a schematic diagram of the main structure of the side buffer mechanism of a proposed fiberglass reinforced plastic train frame.

[0020] In the attached figure: 1, first glass fiber reinforced plastic disc; 2, slider; 3, annular groove; 4, second glass fiber reinforced plastic disc; 5, glass fiber reinforced plastic chassis; 6, rotating disc; 7, first spring; 8, first damper; 9, first vertical rod; 10, missing groove; 11, universal ball; 12, second vertical rod; 13, movable groove; 14, movable ring; 15, support rod; 16, second spring; 17, second damper; 18, hydraulic rod; 19, movable block; 20, circular groove; 21, third spring; 22, third damper. DETAILED DESCRIPTION

[0021] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0022] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent.

[0023] Reference Figure 1-4A fiberglass motor vehicle frame comprises a first fiberglass disc 1, a second fiberglass disc 4 is arranged at the bottom of the first fiberglass disc 1, the top of the first fiberglass disc 1 and the bottom of the second fiberglass disc 4 have the same structure, a fiberglass chassis 5 is arranged at the top of the first fiberglass disc 1, a vertical buffer mechanism is arranged between the fiberglass chassis 5 and the first fiberglass disc 1, a circular groove 20 is opened on the outer wall of the first fiberglass disc 1 and the second fiberglass disc 4, a first vertical rod 9 and a second vertical rod 12 are arranged inside the circular groove 20, and a vertical buffer mechanism is arranged between the first vertical rod 9 and the first fiberglass disc 1 A side buffer mechanism is provided. By providing a vertical buffer mechanism between the FRP chassis 5 and the first FRP disc 1, the skeleton can have a vertical buffering capacity to ensure the effect of buffering vertical impact force. By providing a side buffer mechanism between the first vertical rod 9 and the first FRP disc 1, the side of the skeleton can be buffered to ensure the effect of side vertical impact force. By providing a plurality of third springs 21 and a third damper 22 fixedly connected between the first FRP disc 1 and the second FRP disc 4, the overall buffering capacity of the skeleton can be further improved.

[0024] At the same time, a plurality of third springs 21 and a third damper 22 are fixedly connected between the first glass fiber reinforced plastic disc 1 and the second glass fiber reinforced plastic disc 4. By setting a plurality of third springs 21 and a third damper 22 fixedly connected between the first glass fiber reinforced plastic disc 1 and the second glass fiber reinforced plastic disc 4, the overall buffering capacity of the skeleton can be further improved. The vertical buffering mechanism includes a second spring and a second damper 17. A plurality of support rods 15 are arranged between the first glass fiber reinforced plastic disc 1 and the second glass fiber reinforced plastic disc 4. A slider 2 is arranged on the outer wall of the first glass fiber reinforced plastic disc 1 and the glass fiber reinforced plastic chassis 5. The second spring The two ends of 16 and the second damper 17 are respectively fixedly connected to the support rod 15 and the slider 2. By setting the vertical buffer mechanism between the FRP chassis 5 and the first FRP disc 1, the skeleton can have a vertical buffering capacity to ensure the effect of buffering vertical impact force. The outer wall of the first FRP disc 1 and the FRP chassis 5 is provided with an annular groove 3. The slider 2 and the annular groove 3 are internally slidably connected, so that the support rod 15 has the ability to move, and the safety of the skeleton is improved. The side buffer mechanism includes a movable block 19 and a hydraulic rod 18. The outer wall of the first vertical rod 9 and the second vertical rod 12 is provided with a plurality of The movable groove 13, the movable block 19 and the inner wall of the movable groove 13 are slidably connected, the movable block 19 and the hydraulic rod 18 are rotatably connected, the other end of the hydraulic rod 18 is rotatably connected with the movable ring 14, the support rod 15 passes through the movable ring 14, and the side buffering capacity of the side of the skeleton can be provided by setting the side buffering mechanism between the first vertical rod 9 and the first glass fiber reinforced plastic disc 1 to ensure the side vertical impact force effect, the first vertical rod 9 and the second vertical rod 12 are slidably connected with a universal ball 11, the glass fiber reinforced plastic chassis 5 is provided with a slot 10, the inner wall of the slot 10 is rotatably connected with a rotating disk 6, the rotating disk 6 A plurality of first springs 7 and first dampers 8 are respectively fixedly connected to the first vertical rod 9 and the second vertical rod 12. The first vertical rod 9 and the second vertical rod 12 are connected and fixed to the fiberglass chassis 5 by the rotating disk 6, the first spring 7 and the first damper 8. This not only ensures the rotation ability of the first vertical rod 9 and the second vertical rod 12, but also utilizes the first spring 7 and the first damper 8 to provide buffering protection for the fiberglass chassis 5. The universal ball 11 is provided between the first vertical rod 9 and the second vertical rod 12 to connect and fix them, so that the skeletons are movably connected to avoid rigid connection.

[0025] Working principle: When in use, by setting a vertical buffer mechanism between the FRP chassis 5 and the first FRP disc 1, the skeleton can have a vertical buffering capacity to ensure the effect of buffering vertical impact force. By setting a side buffer mechanism between the first vertical rod 9 and the first FRP disc 1, the side buffering capacity of the skeleton can be performed to ensure the effect of side vertical impact force. By setting a plurality of third springs 21 and a third damper 22 fixedly connected between the first FRP disc 1 and the second FRP disc 4, the overall buffering capacity of the skeleton can be further improved.

[0026] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A fiberglass motor vehicle frame, comprising a first fiberglass disc (1), characterized in that: A second glass fiber reinforced plastic disc (4) is arranged at the bottom of the first glass fiber reinforced plastic disc (1); the top of the first glass fiber reinforced plastic disc (1) and the bottom of the second glass fiber reinforced plastic disc (4) have the same structure; a glass fiber reinforced plastic bottom plate (5) is arranged at the top of the first glass fiber reinforced plastic disc (1); a vertical buffer mechanism is arranged between the glass fiber reinforced plastic bottom plate (5) and the first glass fiber reinforced plastic disc (1); a circular groove (20) is formed on the outer wall of the first glass fiber reinforced plastic disc (1) and the second glass fiber reinforced plastic disc (4); a first vertical rod (9) and a second vertical rod (12) are arranged inside the circular groove (20); and a side buffer mechanism is arranged between the first vertical rod (9) and the first glass fiber reinforced plastic disc (1).

2. The fiberglass motor vehicle frame according to claim 1, characterized in that: A plurality of third springs (21) and a third damper (22) are fixedly connected between the first glass fiber reinforced plastic disc (1) and the second glass fiber reinforced plastic disc (4).

3. The fiberglass motor vehicle frame according to claim 1, characterized in that: The vertical buffer mechanism comprises a second spring (16) and a second damper (17); a plurality of support rods (15) are arranged between the first glass fiber reinforced plastic disc (1) and the second glass fiber reinforced plastic disc (4); sliders (2) are arranged on the outer walls of the first glass fiber reinforced plastic disc (1) and the glass fiber reinforced plastic chassis (5); and two ends of the second spring (16) and the second damper (17) are respectively fixedly connected to the support rods (15) and the sliders (2).

4. The fiberglass motor vehicle frame according to claim 1, characterized in that: The outer walls of the first glass fiber reinforced plastic disc (1) and the glass fiber reinforced plastic base (5) are provided with an annular groove (3), and the sliding block (2) and the annular groove (3) are slidably connected inside.

5. The fiberglass motor vehicle frame according to claim 1, characterized in that: The side buffer mechanism comprises a movable block (19) and a hydraulic rod (18); a plurality of movable grooves (13) are provided on the outer walls of the first vertical rod (9) and the second vertical rod (12); the movable block (19) and the inner walls of the movable grooves (13) are slidably connected; the movable block (19) and the hydraulic rod (18) are rotatably connected; the other end of the hydraulic rod (18) is rotatably connected to a movable ring (14); and the support rod (15) passes through the movable ring (14).

6. The fiberglass motor vehicle frame according to claim 1, characterized in that: A universal ball (11) is slidably connected between the first vertical rod (9) and the second vertical rod (12).

7. The fiberglass motor vehicle frame according to claim 1, characterized in that: The fiberglass chassis (5) is provided with a notch (10), the inner wall of the notch (10) being rotatably connected to a rotating disk (6), and a plurality of first springs (7) and a first damper (8) being fixedly connected between the rotating disk (6) and the first vertical rod (9) and the second vertical rod (12), respectively.

Citation Information

Patent Citations

  • Novel glass fiber reinforced plastic framework

    CN210942039U