CN113085939B

CN113085939B - Obstacle removing device and rail vehicle

Info

Publication number: CN113085939B
Application number: CN202110491387.5A
Authority: CN
Inventors: 梁建英; 宋显刚; 苏超; 刘克健; 高玉龙
Original assignee: CRRC Qingdao Sifang Co Ltd
Current assignee: CRRC Qingdao Sifang Co Ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2023-03-24
Anticipated expiration: 2041-05-06
Also published as: CN113085939A

Abstract

The invention discloses a barrier removing device and a rail vehicle, wherein the barrier removing device comprises an outer plate and a beam body which are made of composite materials, the outer plate comprises a plate end part and two plate side parts which respectively extend backwards from two sides of the plate end part; the beam body is solidified on the inner side of the outer plate and correspondingly comprises a beam end part and two beam side parts which respectively extend backwards from two sides of the beam end part; the length of the beam side part is equivalent to that of the plate side part, and the width of the beam side part is smaller than that of the beam end part and is also smaller than that of the plate side part; a cavity is formed between the inner side of the outer plate and the beam body, and a foam layer is filled in the cavity. The beam end of the wider beam body of the obstacle removing device can collect the positive dispersed impact force, the beam side parts with the narrower two sides are favorable for supporting reinforcement and conducting impact load backwards, and the foam layer between the outer plate and the beam body can ensure the structural strength of the whole obstacle removing device, so that the obstacle removing device with the performance meeting the requirements in all aspects is obtained, and the whole obstacle removing device can effectively reduce the weight.

Description

Obstacle removing device and rail vehicle

Technical Field

The invention relates to the technical field of vehicles, in particular to a fault removing device and a rail vehicle.

Background

In the process of research and development of double-deck train and motor train unit products, strict limiting requirements are put forward on the axle weight, and the light-weight design of the motor train unit becomes a core technical problem influencing the design of a train body. At present, the weight of the metal structure obstacle deflector is generally heavy, the production process mainly adopts the traditional steel plate profiling welding process, and the material utilization rate is low.

At present, in order to realize light weight, the obstacle removing device comprises an outer cover plate made of glass fiber reinforced plastics and a metal framework structure, but the outer cover plate of the structure is often damaged, and the functions of removing obstacles and snow and the like cannot be really realized.

Disclosure of Invention

The invention provides a barrier removing device, which comprises an outer plate and a beam body, wherein the outer plate is made of composite materials, the outer plate comprises a plate end part and two plate side parts which respectively extend backwards from two sides of the plate end part; the beam body is solidified on the inner side of the outer plate and correspondingly comprises a beam end part and two beam side parts which respectively extend backwards from two sides of the beam end part; the beam side part is equal to the plate side part in length, and the width of the beam side part is smaller than the width of the beam end part and is also smaller than the width of the plate side part; a cavity is formed between the inner side of the outer plate and the beam body, and a foam layer is filled in the cavity.

Optionally, the beam end is a flat structure with a curved surface; the beam side part is in a long strip shape, the cross section of the beam side part is in a trapezoid shape, the notch of the cross section faces the plate side part, and the width of the trapezoid is close to the plate side part.

Optionally, the beam end smoothly transitions to the beam side.

Optionally, the two plate side portions of the outer plate are gradually enlarged toward the opening direction, and the two beam side portions of the beam body are gradually enlarged toward the opening direction.

Optionally, the outer plate is further provided with a reinforcing beam made of a composite material, the reinforcing beam is solidified on the inner side of the plate side portion, a cavity is formed between the reinforcing beam and the inner side of the plate side portion, and the cavity is filled with a foam layer; a plurality of the reinforcing beams are provided between the beam side portion and the upper end of the panel side portion, and between the beam side portion and the lower end of the panel side portion.

Optionally, the upper end and the lower end of the side portion of the plate extend inwards to form a folded portion, and the reinforcing beam is arranged between the side portion of the beam and the folded portion.

Optionally, the outer plate is formed by laminating at least one of carbon fiber, aramid fiber and glass fiber; and/or the beam body is formed by carbon fiber and has a continuous structure.

Optionally, the beam end part structure further comprises a mounting seat and a barrier plate located below the front side of the outer plate, wherein an bakelite core layer is filled between the middle part of the end part of the plate and the middle part of the end part of the beam, a mounting hole is reserved in the bakelite core layer, and the mounting seat is fixed on the inner side of the end part of the beam through a fastener inserted into the mounting hole; the baffle plate is fixed on the mounting seat or is in an integrated structure with the mounting seat.

Optionally, the bakelite core layer and the foam layer are separated by a composite material interlayer.

The invention provides a rail vehicle which comprises a vehicle head and a fault removing device positioned below the vehicle head, wherein the fault removing device is any one of the fault removing devices.

In this scheme, arrange the planking and the cooperation of roof beam body of barrier device, the planking that combined material made is as the base member, it is not fragile, the inboard additional integrated into one piece's of planking the roof beam body, and roof beam body front end broad, both sides are narrower, be and have open-ended U type anchor column structure, positive dispersion impulsive force can be collected to the beam-ends portion of broad, the narrower roof beam side in both sides is favorable to supporting reinforcement and the backward conduction of impact load, whole barrier device's of row structural strength can be guaranteed again on the foam blanket between planking and the roof beam body, realize arranging the barrier function, thereby obtain the barrier device of row that each aspect performance meets the requirements. It is worth noting that on the basis, because the outer plate and the beam body are made of composite materials and the middle is the foam layer, the whole obstacle removing device can effectively reduce the weight, and compared with the existing all-metal obstacle removing device, the weight can be reduced by 40%.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a fault removal device provided in the present invention;

FIG. 2 is a schematic view of the obstacle deflector of FIG. 1 from another angle;

FIG. 3 is a schematic view of the beam body of FIG. 2 shown in black to clearly distinguish the beam body from the outer panel;

FIG. 4 is a vertical cross-sectional view of the deck end position of the obstacle deflector of FIG. 2;

fig. 5 is a schematic view of the position of the barrier panel of fig. 2, with a cross-sectional view of the middle of the outer panel.

The reference numerals in fig. 1-5 are illustrated as follows:

10-an outer plate; 101-plate ends; 102-a panel side; 102 a-an upturned portion; 102 b-fold down;

20-a beam body; 201-beam ends; 201 a-a connecting seat; 202-beam sides;

30-a reinforcing beam;

40-a mounting seat;

50-baffle plate;

60-a foam layer;

70-bakelite core layer.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of an embodiment of a fault removing device provided in the present invention; fig. 2 is a schematic view of the obstacle deflector of fig. 1 from another angle.

The obstacle deflector in the embodiment is arranged at the front part of the head of the railway vehicle, is used for removing obstacles on a railway in the advancing process, has the collision resistance performance and can be matched with an anti-climbing device for use. As shown in fig. 2, the obstacle deflector in the present embodiment includes an outer panel 10 made of a composite material, and the outer panel 10 includes a panel end portion 101 and two panel side portions 102 extending rearward from both sides of the panel end portion 101, respectively, i.e., the outer panel 10 is substantially U-shaped, and the panel end portion 101 faces the front of the rail vehicle. As shown in fig. 1, the outer panel 10 of the obstacle deflector has a curved surface, so that the entire panel surface is a curved surface recessed rearward from the front-to-rear view angle, and has a good impact resistance. Front-to-back as described herein, and taking fig. 2 as an example, two panel sides 102 extend rearwardly and panel ends 101 are forward.

The obstacle deflector further includes a beam 20 made of a composite material, and referring to fig. 3, fig. 3 is a schematic view of the beam 20 shown in black in fig. 2, for clearly distinguishing the beam 20 from the outer panel 10.

The beam body 20 includes a beam end portion 201 and two beam side portions 202 extending from both sides of the beam end portion 201 to the rear, the beam body 20 is also substantially U-shaped to match the shape of the outer panel 10, the beam body 20 has a structure opened toward one side of the outer panel 10 so as to be fastened to the inner side of the outer panel 10, and since the beam body 20 is made of a composite material, it can be integrally cured on the inner side of the outer panel 10. The beam side 202 is equal in length to the plate side 102, and as can be seen from fig. 3, the beam side 202 extends substantially to the rear of the plate side 102, and the width of the beam side 202 is smaller than the width of the beam end 201, i.e., the beam 20 is not of an equal width structure, and the beam 20 has a wider end, and the width is a length direction in which the beam 20 extends substantially in a U-shape, and a width direction perpendicular to the length direction, i.e., a thickness in the vertical direction of the beam 20 after the obstacle deflector is mounted. The width of the beam side 202 is also smaller than the width of the panel side 102, and as shown in fig. 3, the beam side 202 is cured inside the panel side 102 and corresponds to one rib attached to the panel side 102.

In addition, when the outer panel 10 and the beam body 20 are cured, the foam layer 60 is simultaneously filled between the outer panel 10 and the beam body 20, as mentioned above, the beam body 20 is a hollow beam structure with one side opened and is fastened on the inner side of the outer panel 10, and at this time, the beam body 20 and the inner side surface of the outer panel 10 are fastened to form a cavity, and the foam layer 60 can be filled in the cavity to form the foam layer, as can be understood with reference to fig. 4, and fig. 4 is a vertical cross-sectional view of the position of the panel end 101 of the obstacle deflector in fig. 2.

In this scheme, arrange the cooperation of the planking 10 and the roof beam body 20 of barrier device, planking 10 is as the base member, inboard additional integrated into one piece's roof beam body 20, and roof beam body 20 front end broad, both sides are narrower, be and have open-ended U type anchor column structure, positive dispersion impulsive force can be collected to the beam-ends portion 201 of broad, the narrower roof beam side 202 in both sides is favorable to supporting the reinforcement and the backward conduction of impact load, the foam blanket 60 between planking 10 and the roof beam body 20 can guarantee whole barrier device's structural strength, thereby obtain the barrier device of arranging that each side performance meets the requirements. It is worth noting that, on the basis, because the outer plate 10 and the beam body 20 are made of composite materials and the foam layer 60 is arranged in the middle, the whole obstacle deflector can effectively reduce the weight, and compared with the existing all-metal obstacle deflector, the weight can be reduced by 40%.

Referring to fig. 3, the beam end 201 is wider and is adapted to the curved surface of the slab end 101, the beam end 201 is a flat structure with a curved surface, the beam side 202 is narrower and extends backwards to the tail of the slab side 102, the beam side 202 is a long strip, the beam side 202 is further configured to have a trapezoidal cross section, the trapezoidal notch faces the slab side 102, the trapezoidal notch corresponds to the wide side, that is, the wide side is close to the slab side 102, that is, the root of the combination of the beam side 202 and the slab side 102 is widened, which is beneficial to the force transmission and the structural strength of the beam side 202. Further, the beam end 201 transitions smoothly to the beam side 202. The beam body 20 of this form has a better effect in terms of the effects of energy collection at the beam end 201 and force transmission at the beam side 202, according to experiments and simulations.

Further, the two plate side portions 102 of the outer plate 10 are tapered toward the opening direction, and the two beam side portions 202 of the beam body 20 are also tapered toward the opening direction. The shape is convenient to match with the shape of the front end of the railway vehicle, and the flow resistance can be reduced due to the streamline design.

With continued reference to fig. 2 and 3, the outer panel 10 is further added with a reinforcing beam 30 made of composite material, the reinforcing beam 30 is also an open beam, and is snapped and cured on the inner side of the panel side 102, and the foam layer 60 is also filled between the reinforcing beam 30 and the inner side of the panel side 102 in the same manner as the beam body 20 and the outer panel 10 are combined. A plurality of reinforcing members 30 are provided between the upper and lower ends of the beam side 202 and the plate side 102 of the beam body 20. The reinforcement beam 30 may supplement the strength of the barrier system, enhancing the panel side 102, while the beam side 202 is designed to be slender for better force transfer; the combined strength of the beam sides 202.

Specifically, as shown in fig. 3, the upper end and the lower end of the panel side portion 102 both extend inward to form an upward folded portion 102a and a downward folded portion 102b, and a plurality of reinforcing beams 30 are disposed between the upper end of the beam side portion 202 and the upward folded portion 102a and between the lower end of the beam side portion 202 and the downward folded portion 102b, so that the bonding area between the reinforcing beam 30 and the outer panel 10 is increased, the disposition of the reinforcing beam 30 is more stable and reliable, and the strength supplement is more effective. The outer panel 10 is made of a composite material, and the upper flap portion 102a and the lower flap portion 102b can be directly laminated to form the integral structure, so that the integral structure has better strength and stability. Further, as shown in fig. 2, the upper flap portion 102a and the lower flap portion 102b may be prepared with mounting holes to facilitate mounting of the barrier device to the vehicle body.

As shown in fig. 2 and 3, the reinforcement beam 30 is arranged from approximately the middle of the panel side 102 to the rear. It is understood that the arrangement of the reinforcement beam 30 can be adjusted according to the length of the beam side 202, the width of the beam end 201 is wider, and the difference from the width of the plate side 102 is smaller, so that the reinforcement beam 30 may not be added at the transition position between the beam side 202 and the beam end 201.

With continued reference to fig. 4, and as understood in conjunction with fig. 5, fig. 5 is a schematic illustration of the position of the baffle 50 of fig. 2, with a schematic cross-sectional view of the middle portion of the outer panel 10.

The obstacle deflector in this embodiment further includes an obstacle deflector 50 made of metal, and the obstacle deflector 50 is used for removing obstacles, is made of metal, and is more suitable for directly contacting the obstacles. The barrier plate 50 is fixed to the barrier device by the mounting seat 40, the mounting seat 40 may also be made of metal, as shown in fig. 4 and 5, a foam layer 60 is substantially filled between the outer plate 10 and the beam body 20, only a bakelite core layer 70 is filled between the middle of the plate end 101 and the middle of the beam end 201, a mounting hole (not shown) is reserved in the bakelite core layer 70, and the mounting seat 40 may be fixed to the inner side of the beam end 201 by a fastener inserted into the mounting hole. The inner end of the barrier plate 50 is fixed to the mounting seat 40, or may be an integral structure with the mounting seat 40, and the barrier plate 50 is located at the front side of the barrier device and below the middle of the outer panel 10 after being assembled. The bakelite core layer 70 is provided to have good impact resistance and sufficient strength to facilitate the provision of mounting holes to enable the mounting socket 40 to be secured. The mounting 40 may also be used to secure the anti-creep device and the mounting position of the anti-creep device may be adjusted.

Specifically, during formation, the bakelite core layer 70 and the foam layer 60 are separated by a composite barrier layer. As shown in fig. 4, after the outer panel 10 is prepared, the bakelite core and the foam are laid thereon, and the composite material is laid therebetween for isolation, and after curing, the foam layer 60 and the bakelite core layer 70 are separated from each other and do not affect each other.

It is worth noting that in this embodiment, the composite material of each portion is different in order to better perform the function of each portion. Specifically, the outer panel 10 may be made of a functional fiber-reinforced resin material such as carbon fiber, aramid fiber, or glass fiber, and may be made of one or more of the above materials to have a good impact resistance. For example, for a rail vehicle with a high speed (for example, 350Km per hour), the requirements on the barrier removal and stone and impact resistance of the outer panel 10 are high, aramid fibers can be added into the carbon fibers, the carbon fibers have a good impact resistance, for a barrier removal panel of a low-speed rail vehicle (for example, 160Km per hour), the impact resistance requirement is low, and glass fibers can be used as a main material of the outer panel 10, and the carbon fibers are used for increasing the strength and the rigidity. The beam body 20 is made of carbon fiber, and the carbon fiber is wound or laid in an uninterrupted manner to form the beam body 20, that is, the beam body 20 is formed by continuously laying and winding the carbon fiber, so that the beam body has good energy gathering and force transmission performances.

As shown in fig. 2, when the beam body 20 made of carbon fiber is laid, metal pieces may be embedded at the position where the beam end 201 is laid, and a metal mounting hole is reserved, so that a connection seat 201a may be formed at the beam end 201 to facilitate connection of other components.

This scheme still provides a rail vehicle, includes locomotive and the troubleshooting device that is located the locomotive below, the troubleshooting device be any above-mentioned embodiment the troubleshooting device, have the same technological effect with above-mentioned troubleshooting device, do not give unnecessary details.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.

Claims

1. A barrier device, characterized by comprising an outer plate (10) and a beam body (20) which are made of composite materials, wherein the outer plate (10) comprises a plate end part (101) and two plate side parts (102) which extend backwards from two sides of the plate end part (101) respectively; the beam body (20) is solidified on the inner side of the outer plate (10), and the beam body (20) respectively comprises a beam end part (201) and two beam side parts (202) which respectively extend backwards from two sides of the beam end part (201); the beam side (202) is of a length corresponding to the slab side (102), and the width of the beam side (202) is smaller than the width of the beam end (201) and smaller than the width of the slab side; a cavity is formed between the inner side of the outer plate (10) and the beam body (20), a foam layer (60) is filled in the cavity, and the beam end part (201) is of a flat structure with a curved surface; the beam side part (202) is long-strip-shaped, the cross section of the beam side part is trapezoid with a notch facing the plate side part (102), and the wide side of the trapezoid is close to the plate side part (102);

the outer plate (10) is further provided with a reinforcing beam (30) made of composite materials, the reinforcing beam (30) is solidified on the inner side of the plate side portion (102), a cavity is formed between the reinforcing beam (30) and the inner side of the plate side portion (102), and the cavity is filled with a foam layer; a plurality of the reinforcement beams (30) are provided between the beam side portion (202) and the upper end of the panel side portion (102), and between the beam side portion (202) and the lower end of the panel side portion (102);

the beam end part (201) is provided with a beam, and the beam end part (201) is provided with a beam baffle plate (50) which is arranged below the front side of the outer plate (10), wherein the beam baffle plate (50) is arranged at the front side of the outer plate (10), an bakelite core layer (70) is filled between the middle part of the plate end part (101) and the middle part of the beam end part (201), a mounting hole is reserved in the bakelite core layer (70), and the mounting seat (40) is fixed on the inner side of the beam end part (201) through a fastener inserted into the mounting hole; the baffle plate (50) is fixed on the mounting seat (40) or is in an integrated structure with the mounting seat (40).

2. A barrier as claimed in claim 1, wherein the beam end (201) transitions smoothly into the beam side (202).

3. The barrier equipment as claimed in claim 1, wherein both plate side portions (102) of the outer plate (10) are divergent toward the opening direction, and both beam side portions (202) of the beam body (20) are divergent toward the opening direction.

4. The barrier equipment according to claim 1, wherein the upper and lower ends of the plate side portion (102) are each extended inward to form a folded portion, and the reinforcing beam (30) is provided between the beam side portion (202) and the folded portion.

5. The obstacle deflector of any one of claims 1-4, wherein the outer panel (10) is formed by laminating at least one of carbon fibers, aramid fibers, and glass fibers; and/or the beam body (20) is formed by carbon fiber and has a continuous structure.

6. A barrier device according to any one of claims 1-4, wherein the bakelite core layer (70) and the foam layer (60) are separated by a composite material barrier layer.

7. A rail vehicle comprising a vehicle head and a barrier removing device located below the vehicle head, wherein the barrier removing device is as claimed in any one of claims 1 to 6.