A skirt board suspension hook connection structure

Abstract

The present invention provides a skirt panel suspension hook connection structure, wherein the skirt panel at the lower side of a vehicle body and the vehicle body are turned over by cooperating with a protruding structure on the side of the vehicle body and a hook-shaped edge at the lower side of the skirt panel, and the characteristic is that the skirt panel comprises a skirt panel, a suspension hook and a hanging ring, and a set of suspension hooks and hanging rings are respectively arranged on both sides of the skirt panel, after the skirt panel is unlocked and turned downward, the hanging ring at the lower part of the skirt panel automatically falls into the suspension hook of the vehicle body, and there is no need to move the skirt panel, and only the skirt panel needs to be held to complete the natural downward turning action.

Description

Technical Field

[0001] The invention belongs to the technical field of rail vehicle manufacturing, and in particular relates to a skirt plate suspension hook connection structure. Background Art

[0002] When the intelligent EMU is put into operation, it needs to be regularly inspected and maintained. The inspection work for the undercarriage area includes the steps of opening all the side skirts under the car, or the skirts must be fully opened in advance before the next inspection work can be carried out. Due to structural limitations, the skirts can only be completely disassembled and transported to other locations for storage after being unlocked, and the skirts cannot be hung at a certain position on the car. There are 18 to 20 skirts per car, and the average weight of the skirts exceeds 20KG. Some skirts exceed 30KG, which consumes manpower and material resources in the process of disassembling the skirts. At the same time, in order to protect the skirts, the skirts cannot be stacked, and sufficient space and sufficient soft materials are required as a cushion. For some models with converters and transformers, before disassembling and restoring the skirts, the grounding wires connected to the skirts need to be disassembled and assembled, which adds extra workload. Summary of the invention

[0003] The present invention aims to solve the problem that the existing skirt panels can only be completely disassembled and transported to other locations for storage during maintenance, which wastes manpower and material resources, thereby providing a skirt panel suspension hook connection structure, which saves site preparation time and maintenance time when maintaining the under-vehicle area, reduces maintenance site restrictions, improves the convenience of cleaning the maintenance site, saves manpower and material resources consumed in maintenance work, and reduces safety risks for operators.

[0004] To achieve the above-mentioned purpose, the present invention provides a skirt panel suspension hook connection structure, wherein the skirt panel at the lower side of the vehicle body and the vehicle body are turned over by cooperating with the hook-shaped edge at the lower side of the skirt panel through the raised structure on the side of the vehicle body and the hook-shaped edge at the lower side of the skirt panel, and the characteristic is that: it comprises a skirt panel, a suspension hook and a hanging ring, and a set of suspension hooks and hanging rings are respectively arranged on both sides of the skirt panel, the upper end shape of the suspension hook matches the outer shape of the vehicle body connection part, and is fixedly installed on the side of the vehicle body, and the lower end is hook-shaped; the hanging ring comprises an arc-shaped main body and a pin, a notch is processed in the middle part of one end of the arc-shaped main body, the pin is fixed on both sides of the notch, and the hanging ring is fixed on the inner side of the skirt panel, and the lower end of the skirt panel is closed when the skirt panel is closed, and the hook shape of the lower end of the suspension hook is directly opposite to the middle part of the pin under the pin; during the downward turning process of the skirt panel, the hanging ring pin slides down to the lowest point of the suspension hook, and the suspension hook and the hanging ring are completely hooked, and when the skirt panel continues to turn down, the hanging ring pin will be used as a rotation axis, and the skirt panel continues to turn over to free hanging.

[0005] Furthermore, a slide groove is provided on the inner side of the lower part of the skirt plate, and the hanging ring is fixed on the slide groove by means of a countersunk bolt and a sliding block.

[0006] Furthermore, the upper side of the suspension hook is fixedly connected to the vehicle body, and the middle part of the suspension hook is fixedly connected to the threaded slider in the adjacent vehicle body profile through a countersunk bolt.

[0007] Furthermore, after the suspension hook is installed on the side of the vehicle body, the hook shape is positioned lower than the protruding structure on the side of the vehicle body.

[0008] The present invention has the following advantages:

[0009] The present invention uses the skirt board suspension hook and the hanging ring structure to unlock the skirt board and flip it downward. When flipping down, the hanging ring at the lower part of the skirt board automatically falls into the vehicle body suspension hook. There is no need to move the skirt board, and only the skirt board needs to be held to complete the natural downward flipping action.

[0010] The present invention also fully considers factors such as vehicle production, use, daily maintenance, inspection, and modification: the suspension hook and the hanging ring can be installed on the existing vehicle body and skirt board without changing the original structure; the pulling and drawing trajectory of the bottom plate is avoided, and the normal pulling and drawing of the bottom plate is not affected; the suspension hook and the hanging ring are made of stainless steel, and each skirt board is equipped with two sets of suspension hooks and hanging rings, which can fully bear the weight of the skirt board; the skirt board can automatically fall into the suspension hook during the natural downward turning process, and there is no need to manually lift the skirt board and put it into the suspension hook, and the skirt board can droop naturally; the suspension hook and the hanging ring do not exceed the vehicle limit and do not affect the normal driving of the vehicle; there is no need to remove the grounding wire connected to the skirt board; in the process of disassembling and restoring the skirt board, the number of man-hours consumed is expected to be reduced by 75%; the operator's handling operation is eliminated, reducing safety risks. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a front view of the suspension hook structure;

[0012] Figure 2 It is a side view of the suspension hook structure;

[0013] Figure 3 This is the axonometric view of the suspension hook structure;

[0014] Figure 4 This is a front view of the suspension hook installed on the vehicle body;

[0015] Figure 5 It is a side view of the suspension hook installed on the vehicle body;

[0016] Figure 6 This is the axonometric view of the hanging ring;

[0017] Figure 7 Axonometric view of the mounting of the hanging ring on the skirt;

[0018] Figure 8 This is a side view of the mounting of the hanging ring on the skirt board;

[0019] Fig. 9This is a schematic diagram of the skirt panel in a closed state;

[0020] Fig.10 This is a schematic diagram of the skirt panel flipping down;

[0021] Fig.11 It is a schematic diagram of the process of the skirt plate hanging ring falling into the suspension hook;

[0022] Fig.12 This is a schematic diagram of the free drooping of the skirt;

[0023] Fig.13 Schematic diagram of the skirt board position change during the skirt board closing process

[0024] Among them: 1. Suspension hook; 2. Car body; 3. Countersunk bolt; 4. Anti-loosening nut; 5. Washer; 6. Threaded slider; 7. Hanging ring; 8. Skirt; 9. Slide groove; 10. Raised structure; 11. Hooked edge. DETAILED DESCRIPTION

[0025] In order to better understand the purpose, structure and function of the present invention, a skirt board suspension hook connection structure of the present invention is further described in detail below with reference to the accompanying drawings.

[0026] Reference Figures 1 to 9 The lower side skirt panel 8 of the vehicle body cooperates with the vehicle body through the raised structure 10 on the side of the vehicle body and the hooked edge 11 on the lower side of the skirt panel. When the skirt panel is flipped upward, the hooked edge 11 on the lower side rotates upward around the raised structure 10 on the side of the vehicle body and fixes the upper end. The raised structure 10 serves as the center of support and rotation.

[0027] The suspension hook 1 is a stainless steel one-piece structure, which is made by machining or casting. The lower end of the suspension hook 1 is hook-shaped, and the upper end is matched with the outer shape of the connection with the body 2. The raised structure 10 on the side of the body is added with a notch of about 70mm wide for installing the suspension hook 1. The upper side of the suspension hook 1 is fixedly connected to the upper inclined plate of the body 2 by countersunk bolts 3 and anti-loosening nuts 4. The lower side of the anti-loosening nuts 4 is provided with washers. The middle part of the suspension hook 1 is connected to the threaded slider 6 in the adjacent body profile by countersunk bolts. The lower end of the suspension hook 1 is hook-shaped and the raised structure 10 is located lower than the side of the body to prevent interference when the skirt is closed.

[0028] A hanging ring 7 is arranged at the corresponding position of the suspension hook 1 on the lower side of the skirt board 8. The hanging ring 7 includes an arc-shaped body 701 and a pin 702. The arc-shaped body 701 is made of stainless steel or aluminum alloy. A notch is processed in the middle of one end of the arc-shaped body 701. The pin 702 is installed on both sides of the notch. The two ends are rigidly fixed with the arc-shaped body 701 through interference fit. The pin 702 is made of stainless steel. When the skirt board is closed, the hook shape of the lower end of the suspension hook 1 is directly opposite to the middle of the pin 701 below the pin 702. A sliding groove is arranged on the inner side of the lower part of the skirt board 8. The hanging ring 7 is installed on the sliding groove 9 through the countersunk bolt 3 and the threaded slider. The lower part of the skirt board needs to open a notch of about 70mm wide to avoid the hanging ring 7. A set of suspension hooks 1 and hanging rings 7 are arranged on both sides of each skirt board 8, which can fully bear the weight of the skirt board.

[0029] Reference Figures 6 to 12 When the skirt board 8 is opened, it is unlocked and turned down about 50 degrees, and the skirt board 8 begins to separate from the vehicle body. At this time, the hanging ring pin 702 has been pressed against the suspension hook 1. When the skirt board 8 turns over about 80 degrees, it has reached the limit position of the skirt board 8 overlapping the vehicle body 2. The entire separation process is within a range of about 30 degrees. If the skirt board continues to turn down more than 80 degrees, it will be separated from the vehicle body 2. At the same time, the hanging ring 7 at the bottom of the skirt board 8 is already within the protection range of the suspension hook. The pin 702 of the hanging ring slides down to the lowest point of the suspension hook 1, and the suspension hook 1 and the hanging ring 7 are completely hooked. When the skirt board 8 continues to turn down, the hanging ring pin 702 will be used as the rotation axis, and the skirt board 8 will continue to freely hang down to the lowest point. The turning angle is about 145 degrees.

[0030] Reference Figure 6 , Fig. 9 and Fig.13 When closing the skirt panel 8, flip the skirt panel 8 at a certain angle until the skirt panel 8 is about to contact the vehicle body 2. In this process, the skirt panel 8 uses the hanging ring pin 702 as a rotation axis. At this time, manually lift the skirt panel 8 and move it diagonally upward by about 20 mm, so that the hook-shaped edge of the lower side of the skirt panel 8 falls into the raised structure 10 on the side of the vehicle body, and the rotation center changes from the hanging ring pin 702 to the raised structure 10 on the vehicle body. Continue to lift the skirt panel 8 until it reaches the locked position to lock the skirt panel 8.

Claims

1. A skirt panel suspension hook connection structure, wherein the skirt panel on the lower side of the vehicle body and the vehicle body are turned over by the cooperation of a protruding structure (10) on the side of the vehicle body (2) and a hook-shaped edge (11) on the lower side of the skirt panel, characterized in that: The invention comprises a skirt plate (8), a suspension hook (1), and a hanging ring (7), wherein a set of suspension hooks (1) and a hanging ring (7) are respectively arranged on both sides of the skirt plate (8), wherein the upper end of the suspension hook (1) matches the outer shape of the connection part of the vehicle body (2) and is fixedly installed on the side of the vehicle body (2), and the lower end is in the shape of a hook; the hanging ring (7) comprises an arc-shaped main body (701) and a pin (702), wherein a notch is processed in the middle of one end of the arc-shaped main body (701), and the pin (702) is fixed on both sides of the notch. The hanging ring (7) is fixed on the inner side of the skirt board (8). When the skirt board (8) is closed, the hook shape of the lower end of the suspension hook (1) is below the pin (702) and directly opposite to the middle of the pin (702). When the skirt board (8) is turned downward, the pin (702) of the hanging ring slides downward to the lowest point of the suspension hook (1), and the suspension hook (1) and the hanging ring (7) are completely hooked. When the skirt board (8) continues to turn downward, the pin (702) will be used as the rotation axis, and the skirt board (8) will continue to turn over until it is free to droop.

2. The skirt board suspension hook connection structure according to claim 1, characterized in that: A slide groove (9) is provided on the inner side of the lower part of the skirt plate (8), and the hanging ring (7) is fixed on the slide groove (9) by means of a countersunk bolt and a threaded slider.

3. The skirt board suspension hook connection structure according to claim 1, characterized in that: The upper side of the suspension hook (1) is fixedly connected to the vehicle body (2), and the middle part of the suspension hook (1) is fixedly connected to a threaded slider in an adjacent vehicle body profile via a countersunk bolt.

4. The skirt board suspension hook connection structure according to claim 1, characterized in that: After the suspension hook (1) is installed on the side of the vehicle body (2), the hook-shaped position of the lower end thereof is lower than the protruding structure (10) on the side of the vehicle body (2).

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