CN103661476B - High-speed railway vehicle barrier-removing device - Google Patents

Abstract

The invention relates to a high-speed rail vehicle obstacle removal device, which is provided on both sides of the bottom of the head car body, and is composed of a mounting seat and an obstacle removal component, and the obstacle removal component is fixed on the mounting seat by a fastener , the mounting seat is fixed on the bottom of the vehicle body, and the obstacle-clearing component is a stacked double-layer rubber plate structure. The present invention has simple overall structure, safe and reliable use, very convenient installation and maintenance, the installation of the obstacle removal device is consistent with the shape of a streamlined head-shaped vehicle, and the overall effect of the appearance is good. The rail vehicle obstacle removal device has a small distance from the rail surface, which can effectively remove small obstacles on the rail surface without rubbing the track. It is an important guarantee for the continuous realization of the safe operation of EMUs and high-speed railway vehicles.

Description

High-speed rail vehicle obstacle removal device

technical field

The invention relates to a high-speed rail vehicle obstacle removal device, which belongs to the technical field of rail vehicle manufacturing.

Background technique

The construction of my country's high-speed railway network continues to advance, and more and more EMUs and high-speed railway vehicles are on the line. Ensuring the safe and trouble-free operation of railway vehicles has always been the primary factor for vehicle management departments and manufacturers. Although the safety facilities and security guarantees of high-speed railway lines continue to be strengthened, my country's high-speed railway lines are long, and the lines span various geological environments, so it is impossible to provide a completely debris-free track line.

The head of the railway locomotive currently in operation is equipped with a steel obstacle remover. The distance between the obstacle remover and the track surface is about 200mm. When the speed is lower than 200Km/h, it can effectively remove the general obstacles in front of the train. things. However, the running speed of the high-speed railway is greater than 200Km/h. Some small obstacles will fly away instantly when the vehicle is running at high speed, which can easily cause damage to the vehicle. At this time, the steel obstacle remover is limited by the distance from the rail surface. Obstacles close to the track cannot be removed, and safety accidents are prone to occur.

Contents of the invention

The main purpose of the present invention is to solve the above-mentioned problems and deficiencies, and provide a high-speed rail vehicle obstacle removal device that is simple in structure, easy to install and maintain, and can safely and reliably remove large and small obstacles on the vehicle road.

For realizing the above object, technical scheme of the present invention is:

A high-speed rail vehicle obstacle removal device, one is provided on both sides of the bottom of the head car body, and it is composed of a mounting seat and an obstacle removal component. The obstacle removal component is fixed on the mounting seat by a fastener. The mounting seat is fixed on the bottom of the vehicle body, and the obstacle-clearing component is a stacked double-layer rubber plate structure.

Further, the double-layer rubber plates are arranged staggered in the height direction, and the bottom edge of the outer rubber plate located on the front side in the direction of vehicle running is lower than the bottom edge of the inner rubber plate located on the rear side in the height direction. .

Further, the distance H between the outer rubber sheet and the inner rubber sheet is 40mm-60mm.

Further, the double-layer rubber sheets on both sides of the vehicle body are arranged obliquely at an angle to the running direction of the vehicle, and the double-layer rubber sheets on both sides extend along the running direction of the vehicle to form an included angle α.

Further, the range of the included angle α is 45°≤α≤55°.

Further, the distance L between the bottommost edge of the double-layer rubber sheet and the upper surface of the track is 15 mm to 20 mm.

Further, the mounting base is spliced by a frame and two pressure plates, the tops of the two pressure plates are fixed on the frame, the frame is fixed on the bottom of the vehicle body, and the upper part of the double-layer rubber plate Clamped between the two pressure plates and fixedly connected by fasteners.

Further, one or more mounting holes for fixing fasteners are opened on the mounting base, and the mounting holes are oblong holes extending along the height direction.

Further, the length of the oblong hole is 60mm-80mm.

Further, an anti-loosening device is provided on the fastener.

In summary, the obstacle removal device for high-speed rail vehicles of the present invention has a simple overall structure and is easy to install, disassemble and overhaul. Since the obstacle removal parts adopt a double-layer rubber plate structure, and the distance between the bottom and the upper surface of the rail is small, it can Improve the structural strength of the obstacle removal parts and effectively remove small obstacles on the rail surface, which is an effective supplement to the steel obstacle remover on the existing vehicles.

The obstacle removal device is installed with the oblong hole of the fastener, which can effectively adjust the height of the installation hole, and ensure that the distance between the bottom of the obstacle removal device and the track is within the range of 15mm to 20mm, so as to protect the wheels and car body parts, and at the same time Does not rub the track.

Description of drawings

Fig. 1 is the schematic diagram of assembly structure of the present invention;

Figure 2 is a side view of Figure 1;

Fig. 3 is the A direction view of Fig. 1;

Fig. 4 is a cross-sectional view along line A-A of Fig. 3 .

Fig. 5 is a view taken along direction B of Fig. 4 .

As shown in Figures 1 to 5, the obstacle removal device 1, 2, the head car body 3, the wheel 4, the track 5, the inner rubber plate 10, the outer rubber plate 11, the mounting seat 12, the fastener 13, the metal Silk 14, rail surface 15, frame 16, pressing plate 17, mounting hole 18.

detailed description

Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

As shown in Fig. 1 and Fig. 2, the high-speed rail vehicle obstacle removal device of the present invention is provided with two at the bottom of the head car body 3 of vehicle formation, is respectively obstacle removal device 1 and obstacle removal device 2, and Obstacle device 1 and obstacle removal device 2 are symmetrically arranged on both sides of the head car body 3, viewed from the running direction of the vehicle, arranged in front of the running wheel 4, for removing obstacles on the two rails 5. The obstacle clearing device is fixed on the steel obstacle remover at the bottom of the car body, and the obstacle clearer is an auxiliary equipment of the steel obstacle remover.

As shown in FIG. 3 and FIG. 4 , the obstacle-clearing device 1 and the obstacle-clearing device 2 have the same structure, and both are composed of a mounting seat 12 and an obstacle-clearing component, and the obstacle-clearing component is a double-layered rubber plate structure. The double-layer rubber sheet includes an inner layer rubber sheet 10 and an outer layer rubber sheet 11. In the running direction of the vehicle, the outer layer rubber sheet 11 is located at the front side of the running direction, and the inner layer rubber sheet 10 is located at the rear side.

The distance L between the bottom edge of the double-layer rubber plate and the upper surface of the track, that is, the rail surface 15, is 15mm to 20mm, more preferably 15-18mm. In order to ensure the cleaning effect, the width of the double-layer rubber plate should completely cover the wheel 4 and the contact surface area of the track 5, this setting method can protect the wheels and car body parts, at the same time, the double-layer rubber plate does not directly contact the track 5, and will not rub the track 5, and the double-layer rubber plate will also reduce wear , thereby prolonging the service time of the double-layer rubber sheet and reducing the number of replacements.

The bottom of the inner rubber sheet 10 and the lower part of the outer rubber sheet 11 are staggered in the height direction, and the bottom of the outer rubber sheet 11 is lower than the bottom of the inner rubber sheet 10 in the height direction. If the outer rubber The tops of the plate 11 and the inner rubber plate 10 are at the same height, and the length of the outer rubber plate 11 is greater than the length of the inner rubber plate 10 . The distance H between the outer rubber sheet 11 and the inner rubber sheet 10 is 40mm-60mm.

When the vehicle is running at high speed, the outer rubber plate 11 mainly plays the role of clearing obstacles, and the inner rubber plate 10 plays a role in strengthening the strength of the outer rubber plate 11, further ensuring that the outer rubber plate 11 can effectively clear the rail surface. small obstacles to ensure driving safety. Both the outer rubber plate 11 and the inner rubber plate 10 are made of natural rubber, and the hardness of the rubber is preferably in the range of Shore hardness 50-70 to ensure the obstacle removal effect.

As shown in Figure 1, the outer rubber plate 11 and the inner rubber plate 10 are arranged obliquely above the track 5 at an angle to the running direction of the vehicle, and the double-layer rubber plates on both sides extend forward along the running direction of the vehicle to form a clip. The angle α, in this embodiment, preferably, the range of the included angle α is 45°≤α≤55°. In this way, it can be consistent with the profile of the streamlined head car body 3, without affecting the overall appearance effect, and also meets the vehicle dynamics requirements. Outside, avoid obstacles such as stones from entering the inside of the bottom of the head car body 3, and cause wear and tear to its internal equipment.

The tops of the outer layer rubber plate 11 and the inner layer rubber plate 10 are stacked and fixed on the mounting base 12, and the mounting base 12 is welded and fixed on the steel obstacle removal device at the bottom of the head car body 3. As shown in FIGS. 1 to 5 , the mounting base 12 is formed by splicing and welding a frame 16 and two pressure plates 17 , and both the frame 16 and the pressure plates 17 are made of steel plates with good strength. The frame 16 is fixed on the structural member, and the two pressure plates 17 are fixed on the frame 16 in parallel. After the outer layer rubber plate 11 and the inner layer rubber plate 10 are stacked, insert the top into the gap between the two pressure plates 17. 17 is respectively provided with three installation holes 18, and two pressure plates 17 are fixedly connected together with the outer layer rubber plate 11 and the inner layer rubber plate 10 by three fasteners 13, and the fasteners 13 adopt special bolts.

As shown in Fig. 3 and Fig. 5, in this embodiment, the mounting hole 18 is an oblong hole extending along the height direction, so as to adjust the installation height of the double-layer rubber plate, and the length of the oblong hole is preferably between 60mm-80mm. After the vehicle runs at high speed for a certain period of time, the friction between the wheel 4 and the track 5 will cause the wheel 4 and the track 5 to wear to a certain extent, so that the distance between the bottom edge of the double-layer rubber plate and the rail surface 15 will decrease. At this time, you can loosen the bolts to adjust the double-layer rubber plate upwards, without replacing the double-layer rubber plate, you can also ensure that the distance between the bottom edge of the double-layer rubber plate and the rail surface 15 is kept within the range of 15mm-20mm, thereby ensuring cleanliness. barrier effect.

An anti-loosening device is also provided on the fastener 13, that is, a metal wire 14 is connected on the nut of the fastener 13 to ensure that the fastener 13 used to fix the double-layer rubber plate does not loosen during the long-term high-speed operation of the train. , Metal wire 14 adopts stainless steel fuse.

As mentioned above, a similar technical solution can be derived in combination with the solutions presented in the drawings and the embodiments. However, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention are still within the scope of the technical solutions of the present invention.

Claims (7)

1. a kind of high speed railway car barrier clearing device, in each setting in the both sides of head car vehicle bottom one, by mounting seat with remove obstacles Part forms, and described parts of removing obstacles is fixed in described mounting seat by securing member, and described mounting seat is fixed on vehicle bottom, its It is characterised by: the hardened structure of double-layer rubber that described parts of removing obstacles is stacked, described double-layer rubber plate is all downwardly projecting in bottom, institute The projection stating double-layer rubber plate is staggeredly arranged in the height direction, is located at the outer layer rubber of front side on vehicle traffic direction The base of plate position in the height direction is less than positioned at the base of the internal layer rubber slab of rear side, and described mounting seat is by a framework And two pressing plate splicings are welded, frame welding is fixed on the steel obstacle deflector of vehicle bottom, and two described pressing plates are put down Row is weldingly fixed on two side plates of described framework, and the pressing plate being wherein located at front side is flat board, is l positioned at the pressing plate of rear side Shape plate, is clipped in after the upper stack of described double-layer rubber plate and is fixedly connected by securing member between two described pressing plates, at two Multiple installing holes for fixation fastener are each provided with described pressing plate, described installing hole is oval along short transverse extension Hole.

2. high speed railway car barrier clearing device according to claim 1 it is characterised in that: described outer layer rubber plate and internal layer Rubber slab mutually stagger apart from h be 40mm-60mm.

3. high speed railway car barrier clearing device according to claim 1 it is characterised in that: described double positioned at car body both sides Layer rubber slab is at an angle with vehicle traffic direction angularly disposed, and the described double-layer rubber plate of both sides extends along vehicle traffic direction After form an angle α.

4. high speed railway car barrier clearing device according to claim 3 it is characterised in that: the scope of described angle α be 45 ° ≤α≤55°.

5. high speed railway car barrier clearing device according to claim 1 it is characterised in that: the bottom of described double-layer rubber plate Side and the distance between the upper surface of track l are 15mm to 20mm.

6. high speed railway car barrier clearing device according to claim 1 it is characterised in that: the length of described slotted hole is 60mm-80mm.

7. high speed railway car barrier clearing device according to claim 1 it is characterised in that: be provided with described securing member Locking device.