CN204915710U - Track for transportation vehicles anti -creep prevent inclined to one side energy -absorbing device - Google Patents

Abstract

An anti-climbing and anti-bias energy-absorbing device for rail transit vehicles relates to the technical field of rail transit vehicle collision passive safety. The force will cause the energy-absorbing components to bend vertically, and they are prone to mutual sliding in the lateral direction to generate partial loads, resulting in poor energy-absorbing effects. The outer box plate and the mounting seat. There is a figure-eight section in the middle of the outer box plate. The mounting seat has bolt mounting holes and a cross-shaped guide hole. The cross-shaped guide rod is fixed on the anti-climbing and anti-deviation module, passing through the bamboo The structural thin-walled composite energy-absorbing tube and the cross-shaped guide hole on the mounting seat, one end of the bamboo-like structure thin-walled composite energy-absorbing tube is fixed on the mounting seat, and is surrounded by the outer box plate. The anti-climbing and anti-deflection energy-absorbing device for rail transit vehicles is suitable for application in the passive safety field of rail vehicles.

Description

The anti-bias energy absorption device of rail traffic vehicles anti-creep

Technical field

The utility model relates to rail traffic vehicles collision passive security technical field, is specifically related to a kind of anti-bias energy absorption device of detouchable anti-creep for rail traffic vehicles.

Background technology

Along with developing by leaps and bounds of track traffic, collision passive security problem more and more attracts people's attention as the important step of in modern railway transportation Car design, and it becomes a focus of guideway vehicle design study and following inevitable development trend already.

Rail traffic vehicles uses anti-climbing energy-absorbing device be in order to many as far as possible shock kinetic energy that must absorb vehicle collision in inevitable situation and cause, thus reduce the loss of collision case.But, the existing anti-climbing energy-absorbing device structure for track vehicular traffic is single, producing excessive peak force, to cause being delivered to passenger's deceleration/decel with it excessive, and power-absorbing absorbing energy capacity is limited, the shock kinetic energy produced when effectively can not absorb vehicle collision, the danger brought when effectively can not reduce collision happens accident.

Existing rail traffic vehicles end energy absorption device is not generally provided with bending resistance pilot bar, vertical bending resistance only provides by power-absorbing stiffness by itself, when a vehicle is in a collision, the vertical mutual constraint of anti-creeper engagement, producing larger vertical force can cause the vertical generation of power-absorbing to bend simultaneously, power-absorbing deformation pattern has an impact, and energy-absorbing effect reduces greatly.

Existing rail traffic vehicles end energy absorption device generally only has vertical anti-creep function, not there is laterally anti-bias function, when guideway vehicle collides, the vertical mutual constraint of anti-creeper engagement, but be laterally easy to generation unbalance loading of mutually sliding occurring, power-absorbing distorted pattern has an impact, and energy-absorbing effect reduces greatly.

Utility model content

The utility model is for solving existing energy absorption device when collision happens, there is the vertical mutual constraint of anti-creeper engagement, producing larger vertical force can cause the vertical generation of power-absorbing to bend, laterally easily occurring slides mutually produces unbalance loading, and cause the problem of energy-absorbing effect difference, provide a kind of rail traffic vehicles anti-creep anti-bias energy absorption device.

The anti-bias energy absorption device of rail traffic vehicles anti-creep, comprise the anti-bias module of anti-creep, outer boxboard, mount pad multiple bending resistance pilot bar and multiple imitative bamboo structure thin-walled composite endergonic pipe, described outer boxboard is fixed on mount pad 5; The anti-bias module of described anti-creep and mount pad are separately fixed at the two ends of outer boxboard; Multiple imitative bamboo structure thin-walled composite endergonic pipe arranges in outer boxboard; Described multiple bending resistance guide rod is fixed in the anti-bias module of anti-creep, and the other end is each passed through the corresponding criss-cross pilot hole of imitative bamboo structure thin-walled composite endergonic pipe on mount pad and passes fixing; One end of each imitative bamboo structure thin-walled composite endergonic pipe is fixed on mount pad, the anti-bias module 5-20mm of other end distance anti-creep.

Outer boxboard median surface of the present invention is splayed cross section; One end of each imitative bamboo structure thin-walled composite endergonic pipe is fixed on mount pad, be fixed on the anti-bias module 5-10mm of other end distance anti-creep of the imitative bamboo structure thin-walled composite endergonic pipe of mount pad midway location, be fixed on the anti-bias module 15-20mm of other end distance anti-creep of the imitative bamboo structure thin-walled composite endergonic pipe of mount pad two side position.

The size of the criss-cross pilot hole on the size of described multiple bending resistance pilot bar 2, multiple imitative bamboo structure thin-walled composite endergonic pipe diameter of inner pipe and mount pad matches.

The anti-bias module of described anti-creep 1 is made up of spaced lobe, recessed tooth and the anti-bias tooth of anti-creep, four end angles of the anti-bias module of described anti-creep are provided with lobe, adjacent with lobe is recessed tooth, described anti-creep anti-bias tooth 1-3 is arranged on the foursquare center be made up of four lobes and four recessed teeth, described foursquare corner is lobe, and four edges is recessed tooth.Described lobe 1-1 is 1/2nd of lobe 1-1 height at the height of 2/3rds place surrounding toe-in 3-5 ° of its height, the anti-bias tooth 1-3 of anti-creep.

The beneficial effects of the utility model: the anti-bias energy absorption device of a kind of rail traffic vehicles anti-creep described in the utility model is arranged on the end of rail traffic vehicles by bolt, replacing for convenience detach.

When rail traffic vehicles collides, anti-creep anti-bias module in front end starts contact, now the anti-bias module of anti-creep is subject to retreating the outer boxboard of conquassation along the impact force action of car body longitudinal direction, outer boxboard Intermediate Gray has a splayed cross section, also it is made to be out of shape the while of can increasing absorbing energy capacity more stable, the anti-bias module of anti-creep promotes bending resistance pilot bar and longitudinally retreats along car body in fallback procedures, now, imitative bamboo structure thin-walled composite endergonic pipe and outer boxboard are subject to the anti-bias module conquassation of anti-creep simultaneously and produce bending deformation absorption energy, imitative bamboo structure thin-walled composite endergonic pipe inherently composite endergonic, and imitative bamboo structure thin-walled composite endergonic pipe and outer boxboard composite endergonic, dual composite endergonic mode like this considerably increases the absorbing energy capacity of energy absorption device, the shock kinetic energy produced when effectively can absorb vehicle collision, simultaneously because imitative bamboo structure thin-walled composite endergonic pipe is different from the distance of the anti-bias module of anti-creep, in Collapse of Concrete, the anti-bias module of anti-creep can contact successively with imitative bamboo thin-walled composite endergonic pipe, therefore excessive shock peak force can not be caused to cause be delivered to passenger's deceleration/decel with it excessive, and then the danger brought when effectively reducing collision happens accident, simultaneously, the anti-bias module of anti-creep must produce certain vertical or horizontal changing of the relative positions in fallback procedures, at this moment lobe and recessed tooth can firmly mesh together mutually, the anti-bias tooth of anti-creep strictly stops energy absorption device vertical, transverse shifting, and then reach and stop that vehicle is vertical climbs, the object of horizontal unbalance loading.

This novel described energy absorption device, when collision happens accident, prevents vehicle from vertically to climb, horizontal unbalance loading, and the anti-bias energy absorption device of anti-creep participates in absorbing and clashes into kinetic energy, keeps body construction complete, prevents passenger's injures and deaths.

Accompanying drawing explanation

Fig. 1 is the exploded perspective view of the anti-bias energy absorption device structure of rail traffic vehicles anti-creep described in the utility model;

Fig. 2 is the block diagram of the three-dimensional structure assembling of the anti-bias energy absorption device of rail traffic vehicles anti-creep described in the utility model;

Fig. 3 is the annexation schematic diagram of mount pad and bending resistance guide pipe in the anti-bias energy absorption device of rail traffic vehicles anti-creep described in the utility model;

Fig. 4 is the front view of imitative bamboo structure thin-walled composite endergonic pipe in the anti-bias energy absorption device of rail traffic vehicles anti-creep described in the utility model;

Fig. 5 is the axonometric drawing of imitative bamboo structure thin-walled composite endergonic pipe in the anti-bias energy absorption device of rail traffic vehicles anti-creep described in the utility model;

Fig. 6 is the cutaway view of the anti-bias energy absorption device of rail traffic vehicles anti-creep described in the utility model.

In figure: 1, the anti-bias module of anti-creep, 1-1, lobe, 1-2, recessed tooth, the anti-bias tooth of 1-3, anti-creep, 2, bending resistance guide pipe, 3, imitative bamboo structure thin-walled composite endergonic pipe, 3-1, bionical unit, 3-2, bionical interior pipe, 3-3, bionical outer tube, 4, outer boxboard, 5, mount pad, 5-1, bolt mounting holes, 5-2, criss-cross pilot hole.

Detailed description of the invention

Detailed description of the invention one, composition graphs 1 to Fig. 6 illustrate present embodiment, the anti-bias energy absorption device of rail traffic vehicles anti-creep, comprise the anti-bias module of anti-creep 1, multiple bending resistance pilot bar 2, multiple imitative bamboo structure thin-walled composite endergonic pipe 3, outer boxboard 4 and mount pad 5.The anti-bias module of described anti-creep 1 and mount pad 5 are separately fixed at the two ends of outer boxboard 4, described bending resistance guide rod 2 one end is fixed in the anti-bias module 1 of anti-creep, the other end is through the criss-cross pilot hole 5-2 on imitative bamboo structure thin-walled composite endergonic pipe 3 and mount pad 5, described imitative bamboo structure thin-walled composite endergonic pipe 3 one end is fixed on mount pad 5, the other end is 5mm-20mm to the distance of the anti-bias module 1 of anti-creep, and described imitative bamboo structure thin-walled composite endergonic pipe 3 is surrounded by outer boxboard 4 surrounding.

Imitative bamboo structure thin-walled composite endergonic Guan Weiwu described in present embodiment, with a splayed cross section in the middle of described outer boxboard 4, a middle imitative bamboo structure thin-walled composite endergonic pipe is 5mm to the distance of the anti-bias module 1 of anti-creep, and four imitative bamboo structure thin-walled composite endergonic pipes of both sides are 15mm to the distance of the anti-bias module 1 of anti-creep.

The size of the bending resistance guide rod 2 described in present embodiment and the matching size of imitative bamboo structure thin-walled composite endergonic pipe 3 and criss-cross pilot hole 5-2 close, the anti-bias module of described anti-creep 1 is provided with lobe 1-1, recessed tooth 1-2 and the anti-bias tooth 1-3 of anti-creep, described, criss-cross pilot hole 5-2.

Described in the utility model and the anti-bias energy absorption device of rail traffic vehicles anti-creep, bolt is arranged on the end of rail traffic vehicles by the bolt mounting holes 5-1 on mount pad 5, replacing for convenience detach, rail traffic vehicles is in collision process, first anti-creep anti-bias module 1 in front end contacts, the anti-bias module 1 of anti-creep is subject to retreating the outer boxboard 4 of conquassation along the impact force action of car body longitudinal direction, outer boxboard 4 produces bending deformation, the anti-bias module 1 of anti-creep promotes bending resistance pilot bar 2 and longitudinally retreats along car body in fallback procedures, now, imitative bamboo structure thin-walled composite endergonic pipe 3 and outer boxboard 4 are subject to the conquassation of anti-creep anti-bias module 1 simultaneously and produce bending deformation absorption energy, imitative bamboo structure thin-walled composite endergonic pipe 3 inherently composite endergonic, and imitative bamboo structure thin-walled composite endergonic pipe 3 and outer boxboard 4 composite endergonic, dual composite endergonic mode like this considerably increases the absorbing energy capacity of energy absorption device, the shock kinetic energy produced when effectively can absorb vehicle collision, simultaneously because imitative bamboo structure thin-walled composite endergonic pipe is different from the distance of the anti-bias module of anti-creep, in Collapse of Concrete, the anti-bias module of anti-creep can contact successively with imitative bamboo thin-walled composite endergonic pipe, therefore excessive shock peak force can not be caused to cause be delivered to passenger's deceleration/decel with it excessive, and then the danger brought when effectively reducing collision happens accident.

In the present embodiment, in order to avoid during vehicle collision, initial interface power peak value is excessive, a distance to the anti-bias module 1 of anti-creep in the middle of described bionical thin-walled composite endergonic pipe 3 is 5mm, four distances to the anti-bias module 1 of anti-creep of both sides are 15mm, this design plan when a vehicle is in a collision, the anti-bias module 1 of anti-creep is the outer boxboard 4 of conquassation first separately, and then one that conquassation bionical thin-walled composite endergonic pipe 3 is middle, and then four of conquassation bionical thin-walled composite endergonic pipe 3 both sides, avoid the outer boxboard 4 of the anti-bias module 1 of anti-creep conquassation simultaneously, bionical thin-walled composite endergonic pipe 3 and to cause initial collision interfacial force peak value excessive.

Imitative bamboo structure thin-walled composite endergonic pipe 3 described in present embodiment is made up of one deck bionical outer tube 3-3 and three layer of bionical interior pipe 3-2, bionical outer tube 3-3 is connected by three layers of bionical unit 3-1 with three layers of bionical interior pipe 3-2, bionical outer tube 3-3 simulates the most intensive surf green position of bamboo wall outermost fibrous bundle, bionical unit 3-1 simulates vascular bundle, bionical interior pipe 3-2 simulates parenchymal tissue, bionical interior pipe 3-2 supports and is connected bionical unit 3-1, three layers of bionical unit 3-1 distribution gradient, the number of bionical unit 3-1 is followed successively by 18 from the outer to the inner, 12 and 8, imitative like this bamboo structure thin-walled composite endergonic pipe 3 inherently thin-walled composite structure, during its conquassation distortion, absorbing energy capacity own will improve greatly.

The anti-bias module 1 of anti-creep described in present embodiment with car body center for symmetric points are arranged on car end both sides by bolt, the anti-bias module of described anti-creep 1 is by spaced lobe 1-1, recessed tooth 1-2 and the anti-bias tooth 1-3 of anti-creep is formed, lobe 1-1, recessed tooth 1-2, the size of the anti-bias tooth 1-3 of anti-creep is mated mutually, concrete size can be determined according to wheel-rail gap, lobe 1-1 is at 2/3 place surrounding toe-in 3-5 ° of its height, the height of the anti-bias tooth 1-3 of anti-creep is 1/2 of lobe 1-1 height, lobe 1-1 is necessary at 4 end angles of the anti-bias module 1 of anti-creep, that adjacent with lobe 1-1 is recessed tooth 1-2, the center of 4 lobe 1-1 or 4 recessed tooth 1-2 is the anti-bias tooth 1-3 of anti-creep.When a vehicle is in a collision, the anti-bias module of anti-creep 1 must produce certain vertical or horizontal changing of the relative positions in fallback procedures, at this moment lobe 1-1 and recessed tooth 1-2 can firmly mesh together mutually, and anti-creep anti-bias tooth 1-3 carries out vertical, transverse shifting by strictly stoping lobe 1-1 or recessed tooth 1-2, and then stop that vehicle vertically climbs, horizontal unbalance loading.

Claims (7)

1. The anti-climbing and anti-deflection energy-absorbing device for rail transit vehicles is characterized in that it includes an anti-climbing and anti-deflection module (1), an outer box plate (4), a mounting seat (5), a plurality of anti-bending guide rods (2) and A plurality of thin-walled composite energy-absorbing pipes (3) imitating bamboo structure, the outer box plate (4) is fixed on the mounting base (5); the anti-climbing and anti-deviation module (1) and the mounting base (5) are fixed on the outer Two ends of the box board (4); a plurality of thin-walled composite energy-absorbing tubes (3) imitating bamboo structures are arranged inside the outer box board (4); One end of the multiple anti-bending guide rods (2) is fixed on the anti-climbing and anti-deviation module (1), and the other end respectively passes through the corresponding thin-walled composite energy-absorbing tube (3) of imitation bamboo structure through the mounting seat (5). The cross-shaped guide hole is pierced and fixed; One end of each thin-walled composite energy-absorbing pipe (3) imitating bamboo structure is fixed on the mounting base (5), and the other end is 5-20 mm away from the anti-climbing and anti-deviation module. 2. The anti-climbing and anti-bias energy-absorbing device for rail transit vehicles according to claim 1, characterized in that, the middle surface of the outer box plate (4) is a figure-eight section; each imitation bamboo structure thin-walled composite energy-absorbing tube One end of (3) is fixed on the mounting base (5), and the other end of the imitation bamboo structure thin-walled composite energy-absorbing tube (3) fixed in the middle of the mounting base is 5-10mm away from the anti-climbing and anti-deflection module, and is fixed on both sides of the mounting base. The other end of the bamboo imitation structure thin-wall composite energy-absorbing pipe (3) at the side position is 15-20 mm away from the anti-climbing and anti-deflection module. 3. rail transit vehicle anti-climbing anti-deflection energy-absorbing device according to claim 1, is characterized in that, the size of described a plurality of anti-bending guide rods (2), a plurality of imitation bamboo structure thin-walled composite energy-absorbing pipes ( 3) The diameter of the inner tube matches the size of the cross-shaped guide hole on the mounting base (5). 4. The anti-climbing and anti-deflection energy-absorbing device for rail transit vehicles according to claim 1, characterized in that, the anti-climbing and anti-deflection module (1) consists of mutually spaced protruding teeth (1-1), concave teeth ( 1-2) and anti-climbing and anti-deviation teeth (1-3), the end corners of the anti-climbing and anti-deviation module (1) are provided with protruding teeth (1-1), and protruding teeth (1-1) The adjacent ones are concave teeth (1-2), and the anti-climbing and anti-deviation teeth (1-3) are arranged in a square consisting of four protruding teeth (1-1) and four concave teeth (1-2). At the central position, the four corners of the square are protruding teeth (1-1), and the four sides are concave teeth (1-2). 5. The anti-climbing and anti-deflection energy-absorbing device for rail transit vehicles according to claim 4, characterized in that, the protruding teeth (1-1) are inwardly deflected by 3- 5°, the height of the anti-climbing and anti-deviation teeth (1-3) is 1/2 of the height of the protruding teeth (1-1). 6. The anti-climbing and anti-bias energy-absorbing device for rail transit vehicles according to claim 1, characterized in that, the thin-walled composite energy-absorbing pipe of imitation bamboo structure (3) is composed of a layer of bionic outer pipe (3) from outside to inside. -3) and a three-layer bionic inner tube (3-2), the bionic outer tube (3-3) and the bionic inner tube (3-2) are connected through a three-layer bionic unit (3-1). 7. The anti-climbing and anti-deflection energy-absorbing device for rail transit vehicles according to claim 6, characterized in that, the three-layer bionic units (3-1) are distributed in gradients.