CN105620505B - It is oriented to the special endergonic structure of combined type and its application ON TRAINS - Google Patents

It is oriented to the special endergonic structure of combined type and its application ON TRAINS Download PDF

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Publication number
CN105620505B
CN105620505B CN201610004356.1A CN201610004356A CN105620505B CN 105620505 B CN105620505 B CN 105620505B CN 201610004356 A CN201610004356 A CN 201610004356A CN 105620505 B CN105620505 B CN 105620505B
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CN
China
Prior art keywords
endergonic
thin
metal
special
guide rod
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CN201610004356.1A
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Chinese (zh)
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CN105620505A (en
Inventor
谢素超
梁习锋
高广军
许平
姚曙光
鲁寨军
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中南大学
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Priority to CN201610004356.1A priority Critical patent/CN105620505B/en
Publication of CN105620505A publication Critical patent/CN105620505A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61FRAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F19/00Wheel guards; Bumpers; Obstruction removers or the like
    • B61F19/04Bumpers or like collision guards

Abstract

A kind of special endergonic structure of guiding combined type of the invention and its application, including front apron (1), guide rod (2), thin-wall metal endergonic structure (4) and rear baffle (5), front apron (1) is affixed integral by thin-wall metal endergonic structure (4) and rear baffle (5), one end of guide rod (2) is fixed in front apron (1), the other end is inserted into rear baffle (5) after passing through thin-wall metal endergonic structure (4), the outer surface of thin-wall metal endergonic structure (4) offers the groove (41) passed through for guide rod (2).The special endergonic structure can be arranged on the vehicle body bottom frame structure front end crossbeam of train head, have the advantages that manufacture craft is relatively easy, easy for installation, stabilization is controllable, bigger than energy-absorbing.

Description

It is oriented to the special endergonic structure of combined type and its application ON TRAINS

Technical field

The present invention relates to a kind of endergonic structure and its application, more particularly to a kind of special endergonic structure and its ON TRAINS Using.

Background technology

The Crash of Railway Passenger Vehicles accident frequently occurred both at home and abroad, has brought heavy and bitter lesson.Especially Recently as the continuous rise of road surface tramcar, collision on the ground probability greatly increases.Railway is important as national economy Infrastructure and the popular vehicles, it should be transported all the time using the security of the lives and property of protection passenger and driver and conductor as track traffic The starting point of row safety.Therefore, when train collision accident can not avoid, need the passive security protection of development rail truck badly and grind Study carefully.

After rail truck crashes, due to the needs of passive security protection, primary collision in collision process Kinetic energy will be completely absorbed or dissipate, and vehicle structure must is fulfilled for certain crash-worthiness requirement.The good crash-worthiness of one design Structure, which must controllably absorb or dissipate, all hits kinetic energy, in these of material and structure energy absorbing mechanism In, metal thin-wall structure and aluminium honeycomb obtain as a kind of inexpensive, high ratio of strength to weight, the endergonic structure of high energy absorbing efficiency Extensive practical application.

Endergonic structure is divided into carrying endergonic structure and special endergonic structure.So-called carrying endergonic structure:In normal operation bar Under part, there is good transmission longitudinal force performance, METHOD FOR LARGE DEFORMATION ELASTOPLASTIC is produced when shock accident occurs and absorbs energy;It is so-called special Endergonic structure:Used not as structural bearing, METHOD FOR LARGE DEFORMATION ELASTOPLASTIC is produced only when shock accident occurs and absorbs energy, to increase energy-absorbing " than the energy-absorbing " of structure, special endergonic structure can be replaced after failing in an impact.Then, there is structure in existing endergonic structure It is complicated, make cumbersome, installation difficulty, the defects of energy-absorbing mode is uncontrollable, energy-absorbing effect is bad, develop a kind of structure and make work The new endergonic structure that skill is relatively easy, easy for installation, stabilization is controllable, bigger than energy-absorbing, come for those skilled in the art Say significant.

The content of the invention

The technical problems to be solved by the invention are to overcome the shortcomings of to mention in background above technology and defect, there is provided one Kind is with the guiding combined type dedicated suction that structure and manufacture craft are relatively easy, easy for installation, stabilization is controllable, bigger than energy-absorbing Can structure and its application ON TRAINS.

In order to solve the above technical problems, technical scheme proposed by the present invention is oriented to the special endergonic structure of combined type to be a kind of, The special endergonic structure includes front apron, guide rod, thin-wall metal endergonic structure and rear baffle, and the front apron passes through thin-walled Metal endergonic structure is affixed integral with the rear baffle, and one end of the guide rod is fixed in the back side of front apron, described The other end of guide rod is inserted into the through hole opened up on rear baffle after passing through thin-wall metal endergonic structure, and the thin-wall metal is inhaled The outer surface of energy structure offers the groove passed through for the guide rod.

In the technical scheme of the invention described above, the outer surface of thin-wall metal endergonic structure is provided with groove structure, set The effect of groove structure includes:First, improve the energy consumption of special endergonic structure, second, more convenient installation guide rod, third, can be with The transverse direction of overall special endergonic structure and vertical bending resistance are further improved, prevents whole special endergonic structure horizontal and vertical Upward unstability.It is furthermore preferred that the quantity of the guide rod is more of even number (such as two), the thin-wall metal endergonic structure The quantity for the groove that outer surface opens up is that even number is a plurality of (such as two), and a guide rod is laid respectively in every groove;It is and even More guide rods of number are arranged symmetrically relative to the middle section of thin-wall metal endergonic structure.It is furthermore preferred that the guide rod is circle Cylindricality, triangular prism or quadrangular, the cross section of the groove is trapezoidal, and the cross section of the thin-wall metal endergonic structure is in I-shaped Shape or butterfly;Groove particularly is respectively provided with the upper and lower surface of thin-wall metal endergonic structure, this not only optimizes layout, and More preferable cooperation can be formed with the guide rod being arranged symmetrically, while can also make the cross section of thin-wall metal endergonic structure that work be presented Font or butterfly, play more preferable energy-absorbing effect and anti-unstability effect.

In the above-mentioned special endergonic structure of guiding combined type, preferably:The end of more guide rods through through hole passes through one Connecting plate is affixed integral.In the preferable technical scheme, the rear end of two guide rods is set to consolidate by a connecting board structure Pick up and, the transverse direction of whole guide frame and vertical bending strength can be increased, preferably play the effect of longitudinally guiding.

In the above-mentioned special endergonic structure of guiding combined type, preferably:Do not opened up in the thin-wall metal endergonic structure recessed On two opposite exterior lateral sides faces of groove, the induction groove of multiple strips is additionally provided with;The induction groove is close to thin-wall metal endergonic structure Front end arrangement.These induction grooves are preferably also to be arranged symmetrically relative to the middle section of thin-wall metal endergonic structure, to draw Lead the special endergonic structure and orderly plastic deformation takes place from front end, and weaken the initial longitudinal load-bearing ability of structure, drop Low initial impact forces peak value, so as to reduce impact speed reducing caused by the collision starting stage.

The above-mentioned special endergonic structure of guiding combined type, it is preferred that the through hole opened up on the rear baffle and the guiding Matching somebody with somebody between bar is combined into gap cooperation.The guide rod is whole to control by the relative slip of the cylindrical hole on rear baffle Individual special endergonic structure is only along linear deformation.

The above-mentioned special endergonic structure of guiding combined type, it is preferred that the both sides of the rear baffle offer tight for setting The mounting hole of firmware, special endergonic structure can be so fixed on the body transom of various vehicles with fasteners such as bolts.

The above-mentioned special endergonic structure of guiding combined type, it is preferred that the thin-wall metal endergonic structure is hollow cavity knot Structure, and energy-absorbing honeycomb is filled with the cavity of thin-wall metal endergonic structure.More preferably:The energy-absorbing honeycomb is honeybee Nest aluminium, cellular steel or foamed aluminium, and the hole direction of honeycomb aluminum or cellular steel and the hollow tube of the thin-wall metal endergonic structure Hole direction is consistent.

The above-mentioned special endergonic structure of guiding combined type, it is preferred that anti-climbing tooth is evenly distributed with the front apron.

The technical concept total as one, the present invention also provide a kind of above-mentioned special endergonic structure of guiding combined type and arranged Application on car, it is horizontal that the special endergonic structure (can be by bolt etc.) is specifically arranged on train body Undercarriage structure front end Liang Shang.

In above-mentioned application, it is preferred that the special endergonic structure described in two groups is set on the front end cross beam, and two groups special It is arranged symmetrically with endergonic structure relative to the vertical plane in center of Undercarriage structure.

When colliding, the special endergonic structure of guiding combined type of the invention becomes in the presence of longitudinal impact force Shape, wherein thin-wall metal endergonic structure can be deformed to consume by longitudinal bending deformation, and energy-absorbing honeycomb by longitudinal conquassation Substantial amounts of impact kinetic energy is dissipated, so as to realize that the passive security of vehicle is protected.

Compared with prior art, the advantage of the invention is that:In the inventive solutions, thin-wall metal suction is combined Can structure, metal honeycomb structure, guiding mechanism etc. the characteristics of, have structure and manufacture craft relatively easy, easy for installation etc. excellent Point, and the special energy-absorbing malformation of guiding combined type of the present invention is stably and controllable, bigger than energy-absorbing, can be widely applied to railway carriage Or the energy dissipation unit of system such as automobile in.

Brief description of the drawings

In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are the present invention Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis These accompanying drawings obtain other accompanying drawings.

Fig. 1 is that the structural representation that the special endergonic structure of combined type is applied ON TRAINS is oriented in the specific embodiment of the invention Figure.

Fig. 2 is the partial enlarged drawing at A frame choosings in Fig. 1.

Fig. 3 is the structural representation that the special endergonic structure of combined type is oriented in the specific embodiment of the invention.

Fig. 4 is the exploded view that the special endergonic structure of combined type is oriented to shown in Fig. 3.

Fig. 5 be the specific embodiment of the invention in cylindrical guide bars combined with front apron after structural representation.

Fig. 6 is the structural representation for the rear baffle being engaged with cylindrical guide bars.

Fig. 7 is the structural representation after the triangular prism shaped guide rod of the present invention combines with front apron.

Fig. 8 is the structural representation for the rear baffle being engaged with triangular prism shaped guide rod.

Fig. 9 is the structural representation after four prism type guide rod of the present invention combines with front apron.

Figure 10 is the structural representation for the rear baffle being engaged with four prism type guide rod.

Figure 11 is the structural representation of thin-wall metal endergonic structure in the specific embodiment of the invention.

Figure 12 is the front view of thin-wall metal endergonic structure in the specific embodiment of the invention.

Figure 13 is the structural representation of energy-absorbing honeycomb in the specific embodiment of the invention.

Marginal data

1st, front apron;11st, anti-climbing tooth;2nd, guide rod;3rd, energy-absorbing honeycomb;4th, thin-wall metal endergonic structure;41st, it is recessed Groove;42nd, groove is induced;5th, rear baffle;51st, through hole;52nd, mounting hole;6th, connecting plate.

Embodiment

For the ease of understanding the present invention, the present invention is made below in conjunction with Figure of description and preferred embodiment more complete Face, meticulously describe, but protection scope of the present invention is not limited to embodiment in detail below.

It should be strongly noted that when a certain element, to be described as " be fixed on, be fixed in, be connected to or be communicated in " another When on element, it can be directly fixed, affixed, connection or connect on another element or by connecting among other Fitting is indirectly fixed, affixed, connection or connection are on another element.

Unless otherwise defined, the implication that all technical terms used hereinafter are generally understood that with those skilled in the art It is identical.Technical term used herein is intended merely to describe the purpose of specific embodiment, is not intended to the limitation present invention Protection domain.

Unless otherwise specified, various raw material, reagent, the instrument and equipment etc. used in the present invention can pass through city Field is commercially available or can be prepared by existing method.

Embodiment:

A kind of special endergonic structure of guiding combined type of the present invention as shown in figures 3 to 6, before the special endergonic structure includes Baffle plate 1, guide rod 2, thin-wall metal endergonic structure 4 and rear baffle 5, front apron 1 pass through thin-wall metal endergonic structure 4 and rear baffle 5 is affixed integral.One end of guide rod 2 is fixed in the back side of front apron 1, and the other end of guide rod 2 is inhaled through thin-wall metal It can be inserted into after structure 4 in the through hole 51 opened up on rear baffle 5, the outer surface of thin-wall metal endergonic structure 4 is offered for being oriented to The groove 41 that bar 2 passes through.

As shown in Figure 3, Figure 4, in the special endergonic structure of guiding combined type of the present embodiment, thin-wall metal endergonic structure 4 is Hollow cavity structure, and energy-absorbing honeycomb 3 is filled with the cavity of thin-wall metal endergonic structure 4 (referring to Fig. 4);Energy-absorbing honeycomb Structure 3 can be honeycomb aluminum, cellular steel or foamed aluminium, and the present embodiment selects honeycomb aluminum, and the hole direction of honeycomb aluminum and thin-walled The hollow pore direction of metal endergonic structure 4 is consistent (referring to Figure 13).As shown in figure 4, the quantity of guide rod 2 is in the present embodiment Two, the quantity for the groove 41 that the outer surface of thin-wall metal endergonic structure 4 opens up also is two, is laid respectively in every groove 41 A piece guide rod 2;And two guide rods 2 are arranged symmetrically relative to the middle section of thin-wall metal endergonic structure 4.Such as Fig. 4, every The cross section of groove 41 to be trapezoidal, and the cross section of whole thin-wall metal endergonic structure 4 in I-shaped or butterfly (referring to Figure 11, Figure 12).Specially designed thin-wall metal endergonic structure 4 can not only improve the energy consumption of total in the present embodiment, and Convenient installation guide rod 2, can also improve the transverse direction of integral energy-absorbing structure and vertical bending resistance, prevent whole endergonic structure Horizontal or vertical unstability.In addition, on two opposite exterior lateral sides faces that thin-wall metal endergonic structure 4 does not open up groove 41, it is additionally provided with The induction groove 42 (offering two on each side in the present embodiment) of multiple strips;Groove 42 is induced close to thin-wall metal energy-absorbing The front end arrangement of structure 4.The induction groove 42 can be used to guide endergonic structure that orderly plastic deformation takes place from front end, and cut The initial longitudinal load-bearing ability of weak structure, initial impact forces peak value is reduced, subtracted so as to reduce to impact caused by the collision starting stage Speed.

The present invention guide rod 2 except can with setup cost embodiment cylinder in addition to (referring to Fig. 5), may also be arranged to Triangular prism shaped (referring to Fig. 7) or four prism type (referring to Fig. 9), and with cylindrical guide bars, triangular prism shaped guide rod or quadrangular The shape and structure for the rear baffle 5 that shape guide rod is engaged, then can be arranged respectively to shown in Fig. 6, Fig. 8 and Figure 10.On rear baffle 5 Matching somebody with somebody between the through hole 51 and guide rod 2 that open up is combined into gap cooperation, and guide rod 2 in the through hole 51 on rear baffle 5 by entering Row is relative to be slided, to control whole endergonic structure can only be along linear deformation.It is further opened with being used to set tightly in the both sides of rear baffle 5 The mounting hole 52 of firmware, the endergonic structure of the present embodiment can be fixed on to train chassis horizontal stroke by the mounting hole 52 and by bolt Liang Shang.

As shown in Figure 3, Figure 4, that one end of two guide rods 2 through through hole 51 also passes through a connecting plate 6 in the present embodiment It is affixed integral.

As shown in Figure 3, Figure 4, anti-climbing tooth 11 is evenly distributed with the present embodiment on front apron 1.

As shown in Figure 1 and Figure 2, knot when the special endergonic structure of guiding combined type of above-mentioned the present embodiment is applied ON TRAINS Structure schematic diagram by the special endergonic structure of guiding combined type of above-mentioned the present embodiment as shown in figure 1, be arranged on train head car body bottom Two groups of guiding combined type special endergonic structures are set on frame structure front end crossbeam, and on front end cross beam, this two groups of guiding combined types Special endergonic structure is arranged symmetrically relative to the vertical plane in center of Undercarriage structure.

The operation principle of the special endergonic structure of guiding combined type of the present embodiment is as follows:It is whole to be oriented to when colliding The special endergonic structure of combined type deforms in the presence of longitudinal impact force, and wherein thin-wall metal endergonic structure 4 passes through longitudinal direction Bending deformation, energy-absorbing honeycomb 3 is deformed come the substantial amounts of impact kinetic energy that dissipates by longitudinal conquassation, so as to realize the passive of vehicle Safeguard protection.

Claims (8)

1. one kind is oriented to the special endergonic structure of combined type, the special endergonic structure includes front apron(1), guide rod(2), thin-walled Metal endergonic structure(4)And rear baffle(5), the front apron(1)Pass through thin-wall metal endergonic structure(4)With the rear baffle (5)It is affixed integral, it is characterised in that the guide rod(2)One end be fixed in front apron(1)The back side, the guiding Bar(2)The other end pass through thin-wall metal endergonic structure(4)After be inserted into rear baffle(5)On the through hole that opens up(51)In, it is described Thin-wall metal endergonic structure(4)Outer surface offer for the guide rod(2)The groove passed through(41);
The guide rod(2)Quantity be more of even number, the thin-wall metal endergonic structure(4)The groove that opens up of outer surface (41)Quantity for even number it is a plurality of, every groove(41)It is middle to lay a guide rod respectively(2);And more guide rods(2)Relatively In thin-wall metal endergonic structure(4)Middle section be arranged symmetrically;
The guide rod(2)For cylinder, triangular prism or quadrangular, the groove(41)Cross section be trapezoidal, the thin-walled Metal endergonic structure(4)Cross section be in I-shaped or butterfly.
2. the guiding special endergonic structure of combined type according to claim 1, it is characterised in that:Two guide rods(2)Pass through Through hole(51)End pass through a connecting plate(6)It is affixed integral.
3. the guiding special endergonic structure of combined type according to claim 1, it is characterised in that:In the thin-wall metal energy-absorbing Structure(4)Groove is not opened up(41)Two opposite exterior lateral sides faces on, be additionally provided with the induction grooves of multiple strips(42);The induction Groove(42)Close to thin-wall metal endergonic structure(4)Front end arrangement.
4. the special endergonic structure of guiding combined type according to claim 1 or 2, it is characterised in that:The rear baffle(5) On the through hole that opens up(51)With the guide rod(2)Between be combined into gap cooperation;The rear baffle(5)Both sides offer For setting the mounting hole of fastener(52).
5. the special endergonic structure of guiding combined type according to claim 1 or 2, it is characterised in that:The thin-wall metal is inhaled Can structure(4)For hollow cavity structure, and thin-wall metal endergonic structure(4)Cavity in be filled with energy-absorbing honeycomb(3);Institute State energy-absorbing honeycomb(3)For honeycomb aluminum, cellular steel or foamed aluminium, and the hole direction of honeycomb aluminum or cellular steel and the thin-walled Metal endergonic structure(4)Hollow pore direction it is consistent.
6. the special endergonic structure of guiding combined type according to claim 1 or 2, it is characterised in that:The front apron(1) On be evenly distributed with anti-climbing tooth(11).
7. a kind of application of the special endergonic structure of guiding combined type ON TRAINS as any one of claim 1-6, its It is characterised by:The special endergonic structure is arranged on the vehicle body bottom frame structure front end crossbeam of train head.
8. application according to claim 7, it is characterised in that the special energy-absorbing described in two groups is set on the front end cross beam Structure, and two groups of special endergonic structures are arranged symmetrically relative to the vertical plane in center of Undercarriage structure.
CN201610004356.1A 2016-01-06 2016-01-06 It is oriented to the special endergonic structure of combined type and its application ON TRAINS CN105620505B (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105966417B (en) * 2016-07-14 2018-03-20 中南大学 Guide type anti-climbing energy-absorbing device used for rail vehicle and the rail vehicle with the device
CN106364521B (en) * 2016-10-20 2018-04-03 中南大学 The special energy absorption device of combined type for rail vehicle and the rail vehicle provided with the device
CN107264566B (en) * 2017-07-03 2019-02-22 西南交通大学 A kind of anti-bias energy absorption device of rail vehicle
CN110450810B (en) * 2019-08-13 2020-09-08 中南大学 Corrugated composite energy absorption device and railway vehicle with same

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