阅读说明：本技术 一种防脱轨的列车车钩 (Train coupler capable of preventing derailing ) 是由 不公告发明人 于 2020-12-01 设计创作，主要内容包括：本发明涉及轨道交通技术领域,且公开了一种防脱轨的列车车钩,包括固定座,所述固定座固定连接有连接杆,所述连接杆通过连接座连接有连接钩,所述连接钩上设有脱钩销钉,所述连接杆的上表面上游楔形的楔形台。该防脱轨的列车车钩,列车脱轨时,自动脱钩,避免脱轨车厢对后面车厢的影响,同时通过在轨车厢的连接杆插入脱轨车厢的按压槽中,将两个车厢之间的撞击和挤压力变为脱轨车厢按压在轨车厢,继而降低后方在轨车厢继续脱轨的几率,避免事故的进一步扩大,其次,通过按压槽中的吸能物质和剪切销钉的断裂进行吸能,减少撞击伤害,并且主动使连接杆和连接钩掉落,并直接通过插板固定,可避免插板随机掉落引起事故的扩大。(The invention relates to the technical field of rail transit, and discloses an anti-derailment train coupler which comprises a fixed seat, wherein the fixed seat is fixedly connected with a connecting rod, the connecting rod is connected with a connecting hook through a connecting seat, a unhooking pin is arranged on the connecting hook, and a wedge-shaped platform is arranged on the upstream of the upper surface of the connecting rod. This train coupler of anticreep rail, when the train derails, automatic unhook, avoid the influence of derailing carriage to carriage behind, insert the indent of derailing carriage through the connecting rod in the rail carriage simultaneously, become the impact and the extrusion force between two carriages and press down at the rail carriage into the derailing carriage, then reduce the probability that the rear continues the derailing in rail carriage, avoid the further expansion of accident, secondly, carry out the energy-absorbing through the fracture of the energy-absorbing material in the indent and the shearing pin, reduce the striking injury, and initiatively make connecting rod and coupling hook drop, and it is direct fixed through the picture peg, can avoid the picture peg to drop the expansion that arouses the accident at random.)

1. The utility model provides a train coupling of anticreep rail, includes fixing base (1), its characterized in that: fixing base (1) fixedly connected with connecting rod (2), connecting rod (2) are connected with coupling hook (3) through connecting seat (4), be equipped with unhook pin (7) on coupling hook (3), wedge-shaped wedge platform (5) in the upper surface upper reaches of connecting rod (2), the top of connecting rod (2) is located and is pressed groove (6) that correspond with wedge platform (5), the top height of wedge platform (5) is less than orbital height to the bottom of fixing base (1), fixed mounting has control cylinder (8) on fixing base (1), after control cylinder (8) extension pull out unhook pin (7) through stay cord (9), control cylinder (8) are automatic extension after derailing.

2. The derailment-resistant train coupler of claim 1, wherein: connecting rod (2) are located and press groove (6), connecting rod (2) are fixed on the lower terminal surface of pressing groove (6) through shearing pin (12), connecting rod (2) support tightly and press the internal surface of groove (6), the other end of connecting rod (2) passes through staple (11) and presses the lower fixed surface in groove (6), staple (11) are connected with control jar (8), can pull out staple (11) when control jar (8) are stretched.

3. The derailment-resistant train coupler of claim 1, wherein: and energy absorption materials are filled in the pressing grooves (6).

4. The derailment-resistant train coupler of claim 1, wherein: the root of wedge platform (5) is equipped with slot (13), the bottom of fixing base (1) is equipped with and has elastic picture peg (10), the lateral wall parcel of picture peg (10) has elastic damping cover.

5. The derailment-resistant train coupler of claim 1, wherein: and the two sides of the pressing groove (6) penetrate through the side wall of the fixed seat (1).

6. The derailment-resistant train coupler of claim 1, wherein: the two ends of the control cylinder (8) are respectively communicated with an air bag (14) and a compressed gas main pipe (15), and the compressed gas main pipe (15) is communicated with a derailing brake valve (16).

Technical Field

The invention relates to the technical field of rail transit, in particular to an anti-derailment train coupler.

Background

Train derailment is a serious accident, and generally, the train derailment is caused by overspeed or obstacles on the track.

Because the train is a whole, when the local derailment of the train occurs, the other normal running parts can be dragged to derail, and further the loss of the accident is enlarged, and secondly, after the train derails, the friction force of the train on the ground is far greater than that of the train on the rail, so that the derailed parts can become barriers on the rail, and the rear normal running carriage can impact and extrude the front carriage, and the damage of the accident is further enlarged.

Secondly, the train coupler is used as a part for connecting two carriages, and can become a main stress point when the carriages of the train collide with each other, and therefore, the train coupler is also an important efficiency structure when the trains collide with each other.

Disclosure of Invention

Aiming at the defects of the background technology, the invention provides the technical scheme of the derailment-prevention train coupler, which has the advantages of derailment prevention, falling prevention and the like and solves the problems in the background technology.

The invention provides the following technical scheme: the utility model provides a train coupler of anticreep rail, includes the fixing base, fixing base fixedly connected with connecting rod, the connecting rod is connected with the coupling hook through the connecting seat, be equipped with the unhook pin on the coupling hook, the wedge-shaped wedge platform in upper surface upper reaches of connecting rod, the top of connecting rod is located the groove of pressing that corresponds with the wedge platform, the top height of wedge platform is less than orbital height to the bottom of fixing base, fixed mounting has the control jar on the fixing base, pull out the unhook pin through the stay cord after the control jar extension, the control jar is automatic to extend after the derail.

Preferably, the connecting rod is located and presses the indent, the connecting rod passes through the shear pin to be fixed on pressing the lower terminal surface in indent, the connecting rod supports tightly presses the internal surface in indent, the other end of connecting rod passes through the staple and presses the lower fixed surface in indent, the staple is connected with the control cylinder, can pull out the staple when the control cylinder extends.

Preferably, the pressing groove is filled with an energy absorbing substance.

Preferably, the root of wedge platform is equipped with the slot, the bottom of fixing base is equipped with and has elastic picture peg, the lateral wall parcel of picture peg has elastic damping cover.

Preferably, both sides of the pressing groove penetrate through the side wall of the fixing seat.

Preferably, both ends of the control cylinder are respectively communicated with an air bag and a compressed gas main pipe, and the compressed gas main pipe is communicated with the derailment brake valve.

The invention has the following beneficial effects:

1. this train coupler of anticreep rail, when the train derails, automatic unhook avoids the influence of derailing carriage to carriage at the back, inserts the indent of derailing carriage through the connecting rod in the rail carriage simultaneously, becomes the impact and the extrusion force between two carriages and presses at the rail carriage in the derailing carriage, reduces then the rear and continues the probability of derailing in rail carriage, avoids the further expansion of accident.

2. This train coupler of anticreep rail, on the one hand, through the energy-absorbing material in the pressure tank and the fracture of shearing pin carries out the energy-absorbing, reduces the striking injury, and on the other hand, initiatively makes connecting rod and hooker drop to directly fixed through the picture peg, avoid the picture peg to drop at random and arouse the expansion of accident.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the present invention in a structural derailment condition;

FIG. 3 is a partial schematic view of the present invention;

FIG. 4 is a schematic side view of the present invention;

fig. 5 is a control diagram of the control cylinder according to the present invention.

In the figure: 1. a fixed seat; 2. a connecting rod; 3. a connecting hook; 4. a connecting seat; 5. a wedge-shaped table; 6. pressing the groove; 7. unhooking the pin; 8. a control cylinder; 9. pulling a rope; 10. inserting plates; 11. fixing nails; 12. shearing the pin; 13. a slot; 14. an air bag; 15. a compressed gas main; 16. a derailment brake valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the derailing prevention train coupler comprises a fixed seat 1, wherein a connecting rod 2 is fixedly connected to the fixed seat 1, the connecting rod 2 is connected with a connecting hook 3 through a connecting seat 4, the connecting hook 3 can rotate in a small range through the connecting seat 4, two carriages are connected together through the connecting hook 3, a derailing pin 7 is arranged on the connecting hook 3, after the derailing pin 7 is pulled out, the two connecting hooks 3 are separated, a wedge-shaped platform 5 at the upper surface upstream of the connecting rod 2 is arranged above the connecting rod 2 and is arranged in a pressing groove 6 corresponding to the wedge-shaped platform 5, the height from the top of the wedge-shaped platform 5 to the bottom of the fixed seat 1 is smaller than the height of a track, a control cylinder 8 is fixedly arranged on the fixed seat 1, after the control cylinder 8 is extended, the derailing pin 7 is pulled out through a pull rope 9, so that the two connecting hooks 3 are separated, the, the derailing pin 7 is pulled out, the two connecting hooks 3 are separated, meanwhile, the height of the derailing carriage is reduced, see fig. 2, the connecting hooks 3 and the connecting seats 4 of the derailing carriage are inserted to the bottom of the fixing seat 1, the connecting hooks 3 and the connecting seats 4 of the derailing carriage are inserted into the pressing grooves 6 of the derailing carriage, the derailing carriage is pressed on the derailing carriage under the extrusion of opposite wedge surfaces of the pressing grooves 6 and the wedge-shaped platforms 5, the derailing carriage is prevented from climbing upwards and derailing before being impacted, the on-rail state of the derailing carriage is kept, meanwhile, the derailing carriage is pushed upwards, the derailing carriage is easier to climb and jump, the damage to the rail is small when the wheels on the other side cross the rail, and the effect of protecting the rail is achieved.

Referring to fig. 3, a connecting rod 2 is located in a pressing groove 6, the connecting rod 2 is fixed on the lower end face of the pressing groove 6 through a shearing pin 12, the connecting rod 2 abuts against the inner surface of the pressing groove 6, the other end of the connecting rod 2 is fixed with the lower surface of the pressing groove 6 through a fixing nail 11, the fixing nail 11 is connected with a control cylinder 8, the fixing nail 11 can be pulled out when the control cylinder 8 extends, the pulling of the connecting rod 2 is ensured through the fixing nail 11, the extrusion is ensured through the connecting rod 2, the normal connecting force between two carriages is ensured, and when the connecting rod 2 in a rail carriage is inserted into the pressing groove 6 of an off-rail carriage, all the shearing pins 12 are collided, so that the off-rail connecting rod 2 is separated.

Wherein, the pressing groove 6 is filled with energy-absorbing material.

Wherein, the root of wedge platform 5 is equipped with slot 13, and the bottom of fixing base 1 is equipped with and has elastic picture peg 10, and the lateral wall parcel of picture peg 10 has elastic damping cover, and when connecting rod 2 in the derailing carriage inserted the bottom at rail carriage fixing base 1, picture peg 10 was under the effect of elasticity, and in pasting connecting rod 2 and slipping into slot 13 to it is fixed under the effect of damping cover, avoid connecting rod 2 to drop on the track.

Referring to fig. 4, both sides of the pressing groove 6 penetrate through the side wall of the fixing base 1, and the carriage becomes inclined after derailing, so that the carriage does not separate after being pulled when being inserted into and separated from each other due to complete penetration.

Referring to fig. 5, the control cylinder 8 is connected to an airbag 14 and a compressed gas manifold 15, the compressed gas manifold 15 is connected to a derailing brake valve 16, and when the derailing brake valve 16 is triggered to communicate with the atmosphere, the air pressure at both ends of the control cylinder 8 is unbalanced and extends.

The working principle and the working process of the invention are as follows:

when the train travels, when the front carriage derails, trigger derailing brake valve 16 and communicate atmosphere, control cylinder 8 extends, pull out unhooking pin 7 and staple 11, connecting rod 2 of derailing carriage reduces the height along with the carriage, because derailing carriage speed reduces very fast, back carriage inserts the groove 6 of pressing of derailing carriage, becomes the extrusion force between two carriages and pushes down in the rail carriage, avoids jumping or climbing in the rail carriage, makes it not derail.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.