High-strength bullet train display bottom plate

By using a sandwich structure combining a split base plate, a shock-absorbing sleeve, and a telescopic spring, along with steel cable suspension, the problem of screen jitter and structural fatigue under high-frequency vibration of the EMU display base is solved, achieving high-strength shock absorption and stable connection.

CN223754545UActive Publication Date: 2026-01-02QINGDAO BOWEILONG ELECTROMECHANICAL TECH CO LTD
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Patent Information

Application Number
CN202520601726.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-01-02
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

Existing train display screen bases are prone to screen jitter and structural fatigue cracking under high-frequency vibration environments, and their tensile strength is insufficient, making them unable to effectively reduce vibration and stabilize the display.

Method used

The structure combines a split base plate with shock-absorbing sleeves and telescopic springs, along with a suspension and fixing method using steel cables and anchor rods, to form a sandwich shock-absorbing structure that enhances connection strength and stability.

Benefits of technology

It effectively reduces screen jitter under high-frequency vibration, improves the tensile strength and stability of the structure, and is suitable for the harsh vibration environment of high-speed trains.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a high-strength bullet train display bottom plate, which belongs to the technical field of rail transit vehicle equipment, and comprises a rack, a support, a fixed plate, a connecting rod, a fixed seat, a base, a bottom plate, a shock absorption sleeve, a telescopic spring, a steel cable and an anchor rod, and the support is welded in the middle of the upper end of the rack. The bottom plate is placed at the upper ends of the damping sleeves and the telescopic springs, the four sets of damping sleeves and the telescopic springs can support the bottom plate, after the displayer is installed on the bottom plate of the containing groove, the telescopic springs are compressed downwards, the telescopic springs are pressed into the damping sleeves, and the displayer can be subjected to damping and energy absorption through stretching and retracting of the telescopic springs; a sandwich structure is adopted for damping, high-frequency vibration isolation and stability are considered, tension can be provided on the left and right side faces of the base through the steel cables, compared with traditional one-way suspended ceiling installation, the connection strength between the base and the motor train is effectively improved, and the base is suitable for severe vibration environments such as high-speed motor train units.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rail transit vehicle equipment technical field, especially a kind of high-strength motor train display bottom plate. BACKGROUND

[0002] Rail transit construction of China realizes substantial speed for Chinese people's life, changes people's all aspects, small to daily travel mode, big to city development pattern, without exception all have the shadow of high-speed rail motor train;

[0003] With the continuous development of science and technology, LED display screen has become an indispensable part in today's transportation tools, especially in high-speed rail field, motor train display screen has wide application range, can be used for passenger information release, platform orientation, train information display and so on;

[0004] The existing motor train display screen base adopts aluminum alloy frame+rubber pad damping scheme, uses ordinary rubber pad or spring shock absorber, in the high-frequency vibration environment of track unevenness, car body swing, resonance is obvious, leading to picture shaking;

[0005] In addition, the existing motor train display screen base is mostly installed on car cabin ceiling by suspended ceiling, and the force of hanger bracket acts on the middle of base, while the structure strength of left and right sides of base is insufficient, leading to weak tensile resistance, and the frame is prone to fatigue cracking and deformation in long-term vibration.

[0006] Therefore, the present application provides high-strength motor train display bottom plate to meet the needs. UTILITY MODEL CONTENT

[0007] The utility model aims at solving the problems in the above background art, and provides a kind of high-strength motor train display bottom plate.

[0008] To solve the above technical problems, the utility model provides the following technical scheme:

[0009] A kind of high-strength motor train display bottom plate, including: rack, support, fixed plate, connecting rod, fixed seat, base, bottom plate, damping sleeve, telescopic spring, steel cable and anchor rod, support is welded in the middle of the upper end of rack, fixed plate is welded in the side of support, connecting rod is installed on the back of support by bolt, fixed seat is welded on the top of connecting rod, base is welded on the front end of rack, placing groove is arranged on the inner side upper end of base, fixed hole is arranged on the left and right sides of the upper end of base, bottom plate is installed in the placing groove of base, damping sleeve is installed in the inside lower end of the placing groove of base, telescopic spring is installed in the inside of damping sleeve, steel cable is installed on the side of base, anchor rod is installed on the other end of steel cable.

[0010] Preferably, the frame is in the shape of "L", and the frame and the support are in the shape of "T".

[0011] Preferably, the fixing plate is provided with two groups, and the two groups of fixing plates are welded at the end corners of the frame and the support.

[0012] Preferably, the fixing plate is in the shape of right triangle, and the two right-angle sides of the fixing plate are welded with the side surface of the support and the upper end of the frame respectively.

[0013] Preferably, the bottom plate and the base are in split type, and the bottom plate is placed at the upper end of the damping sleeve and the extension spring.

[0014] Preferably, four groups of damping sleeves and extension springs are vertically installed at the lower end inside the placing groove of the base, and the four groups of damping sleeves and extension springs are distributed at the four end corners of the placing groove.

[0015] Preferably, four groups of fixing holes are arranged on the base of the placing groove, and the four groups of fixing holes are distributed at the outer end of the placing groove.

[0016] Preferably, the anchor rods are installed at the front and rear ends of the anchor rods, and the other end of the steel cable extends to the lower end of the side surface of the base through the fixing hole and is fixed at the lower end of the base.

[0017] Compared with the prior art, the utility model has at least the following beneficial effects:

[0018] In the above scheme, the bottom plate and the base are in split type, the bottom plate is placed at the upper end of the damping sleeve and the extension spring, four groups of damping sleeves and extension springs can support the bottom plate, when the display is installed on the bottom plate of the placing groove, the extension spring is compressed downward, the extension spring is pressed into the inside of the damping sleeve, the extension spring is stretched and contracted, the display can be damped and energy absorbed, the sandwich structure damping is adopted, the high frequency vibration isolation and stability are considered.

[0019] In the above scheme, the steel cable can provide tension on the left and right side surfaces of the base, the anchor rod at the other end of the steel cable is installed on the train ceiling, the fixing is completed, the steel cable can provide tension, the base is suspended on the train ceiling, the base can be provided with auxiliary support, compared with the traditional one-way ceiling installation, the connection strength between the base and the train is effectively improved, and the utility model is suitable for harsh vibration environment such as high-speed train set. BRIEF DESCRIPTION OF DRAWINGS

[0020] The drawings incorporated herein and forming part of the specification show embodiments of the present disclosure and, together with the specification, further serve to explain the principles of the present disclosure and to enable one skilled in the relevant art to practice and use the same.

[0021] Figure 1The overall structure schematic view of the utility model;

[0022] Figure 2 The base specific structure schematic view of the utility model;

[0023] Figure 3 The base section structure schematic view of the utility model;

[0024] Figure 4 The damping sleeve and telescopic spring specific connection structure schematic view of the utility model.

[0025] [Reference signs]

[0026] 1-frame;2-support;3-fixed plate;4-connecting rod;5-fixed seat;6-base;7-bottom plate;8-damping sleeve;9-telescopic spring;10-steel cable;11-anchor rod;601-placing groove;602-fixing hole.

[0027] As shown in the drawings, in order to clearly realize the structure of the embodiments of the utility model, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the utility model in the specific structure, device and environment, and the ordinary skilled in the art can adjust or modify these devices and environment according to specific needs, and the adjustment or modification still includes in the scope of the appended claims. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0029] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the utility model.

[0030] As Figure 1 , Figure 2 , Figure 3 And Figure 4The utility model provides a high -strength motor car display bottom plate, the embodiment of the utility model provides, include: frame 1, support 2, fixed plate 3, connecting rod 4, fixed seat 5, base 6, bottom plate 7, damping sleeve 8, telescopic spring 9, steel cable 10 and anchor rod 11, the upper end middle place of frame 1 is welded with support 2, the side surface welding of support 2 has fixed plate 3, the back of support 2 is installed with connecting rod 4 through bolt, the top welding of connecting rod 4 has fixed seat 5, the front end welding of frame 1 has base 6, the inside upper end of base 6 is provided with the placing groove 601, the upper end left and right sides of base 6 are provided with fixed hole 602, the placing groove 601 of base 6 is installed with bottom plate 7, the placing groove 601 inside lower end of base 6 is installed with damping sleeve 8, the inside installation of damping sleeve 8 has telescopic spring 9, the side surface of base 6 is installed with steel cable 10, and the other end of steel cable 10 is installed with anchor rod 11.

[0031] In the embodiment, the frame 1 is in the shape of "L", and the frame 1 and the support 2 are in the shape of "T" as a whole.

[0032] In the embodiment, the fixed plate 3 is provided in two groups, and the two groups of fixed plates 3 are welded at the end corners of the frame 1 and the support 2, respectively, so that the connection strength between the frame 1 and the support 2 can be improved.

[0033] In the embodiment, the fixed plate 3 is in the shape of a right-angled triangle, and the two right-angled sides of the fixed plate 3 are welded with the side surface of the support 2 and the upper end of the frame 1, respectively, so that the connection area between the frame 1 and the support 2 can be ensured.

[0034] In the embodiment, the bottom plate 7 is provided in a split type between the base 6, and the bottom plate 7 is placed at the upper end of the damping sleeve 8 and the telescopic spring 9. When the display is installed on the bottom plate 7 in the placing groove 601, the telescopic spring 9 is compressed downward, and the telescopic spring 9 is pressed into the inside of the damping sleeve 8. Through the telescopic spring 9, the display can be damped and energy-absorbed, and the sandwich structure damping is adopted, so that the high-frequency vibration isolation and stability can be considered.

[0035] In the embodiment, four groups of damping sleeves 8 and telescopic springs 9 are vertically installed at the inside lower end of the placing groove 601 of the base 6, and the four groups of damping sleeves 8 and telescopic springs 9 are distributed at the four end corners of the placing groove 601. The four groups of damping sleeves 8 and telescopic springs 9 can support the bottom plate 7.

[0036] In the embodiment, the placing groove 601 is provided with four groups of fixed holes 602 on the base 6, and the four groups of fixed holes 602 are distributed at the outer ends of the placing groove 601. Through the steel cable 10, the pulling force can be provided on the left and right side surfaces of the base 6, the base 6 is suspended on the motor car ceiling, the auxiliary support is provided for the base 6, the connection strength between the base 6 and the motor car can be effectively improved, and the utility model is suitable for the harsh vibration environment of high-speed motor train unit.

[0037] In the embodiment, the anchor rod 11 is installed on the ceiling of the motor train through the fixing of the anchor rod 11 on the ceiling of the motor train, the fixing of the other end of the steel cable 10 at the lower end of the base 6, and the provision of the pulling force for the steel cable 10.

[0038] The utility model covers any alternative, modification, equivalent method and scheme which is made on the essence and range of the utility model. In order to make the public have the thorough understanding of the utility model, the specific details are explained in the following preferred embodiment of the utility model, and the utility model can be completely understood without the description of these details for the person skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the utility model, the well-known method, process, flow, element and circuit are not explained in detail.

[0039] The above is only the preferred embodiment of the utility model, and it should be pointed out that for the ordinary skilled person in the art, a number of improvements and refinements can be made without departing from the principle of the utility model, and these improvements and refinements should also be regarded as the protection range of the utility model.

Claims

1. A high-strength railcar display backsheet, characterized by, Include: Rack (1), support (2), fixed plate (3), connecting rod (4), fixed seat (5), base (6), bottom plate (7), shock sleeve (8), telescopic spring (9), steel cable (10) and anchor rod (11), the upper end of the rack (1) is welded with support (2), the side of the support (2) is welded with fixed plate (3), the back of the support (2) is installed with connecting rod (4) through bolt, the top of the connecting rod (4) is welded with fixed seat (5), the front end of the rack (1) is welded with base (6), the inner side of the upper end of the base (6) is provided with placing groove (601), the upper end of the base (6) is provided with fixed hole (602) on both sides, the base (6) is installed with bottom plate (7) in the placing groove (601), the base (6) is installed with telescopic spring (9) inside the placing groove (601), the base (6) is installed with steel cable (10) on the side, the other end of the steel cable (10) is installed with anchor rod (11).

2. The high-strength railcar display backsheet of claim 1, wherein: The rack (1) is "L" shape, and the rack (1) and the support (2) are "T" shape as a whole.

3. The high-strength railcar display backsheet of claim 1, wherein: The fixed plate (3) is provided with two groups, and the two groups of fixed plate (3) are welded at the end angle of the rack (1) and the support (2) respectively.

4. The high strength rail display backplane of claim 1, wherein: The fixed plate (3) is in the shape of a right triangle, and the two right angle edges of the fixed plate (3) are welded with the side of the support (2) and the upper end of the rack (1) respectively.

5. The high strength rail display backplane of claim 1, wherein: The bottom plate (7) and the base (6) are provided in a split type, and the bottom plate (7) is placed at the upper end of the shock sleeve (8) and the telescopic spring (9).

6. The high strength rail display back as defined in claim 1 wherein: Four groups of shock sleeves (8) and telescopic springs (9) are installed vertically at the lower end of the placing groove (601) inside the base (6), and the four groups of shock sleeves (8) and telescopic springs (9) are distributed at the four end angles of the placing groove (601).

7. The high strength railcar display back panel of claim 1, wherein: The placing groove (601) is provided with four groups of fixed holes (602) on the base (6), and the four groups of fixed holes (602) are distributed at the outer end of the placing groove (601).

8. The high strength rail display backplane of claim 1, wherein: The anchor rod (11) is installed with lifting ring at the front and rear ends, the other end of the steel cable (10) extends downward through the fixed hole (602) to the lower end of the side of the base (6), and is fixed at the lower end of the base (6).