CN1537769A - Mounting structure of rubber buffer for connector of stock - Google Patents
Mounting structure of rubber buffer for connector of stock Download PDFInfo
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- CN1537769A CN1537769A CNA031423132A CN03142313A CN1537769A CN 1537769 A CN1537769 A CN 1537769A CN A031423132 A CNA031423132 A CN A031423132A CN 03142313 A CN03142313 A CN 03142313A CN 1537769 A CN1537769 A CN 1537769A
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- car body
- adaptor union
- draft gear
- rubber
- impact
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Abstract
An installation structure for the rubber buffer of connector of rolling stock is disclosed, which can stably lead the wrinkle deformation and buffer the impact load and acceleration. The connector, rubber buffer and square tube shaped impact absorbing unit are sequentially installed to front end and back end of a rolling stock. A relational expression between the width and thickness of said impact absorbing unit is also disclosed.
Description
Technical field
The present invention relates to the mounting structure of the adaptor union of railway vehicle with rubber draft gear.
Background technology
Generally speaking, in railway vehicle, be provided with the rubber draft gear of the impact that produces when being used to relax bump at the rear side of the adaptor union that vehicle is connected with each other.The sort buffer device is bearing in slidably by rivet and is connected in the Supporting fixture (draft lug) on the floor underframe for vehicle.
This rubber draft gear 1 has as shown in Figure 9: the framework 2 with next door 2a; Be installed in the yielding rubber 3A of the next door 2a front and back of this framework 2 respectively, 3B (rubber plate and metal sheet are overlapped to form); Be arranged on yielding rubber 3A, supporting member 4 (movable head) and supporting member 5 (rubber pad) before and after the 3B; With a pair of locking piece 6 that is connected that makes framework 2, yielding rubber 3A, 3B, supporting member 4,5 formation one.Frame 9 is rotatably connected to the leading section of framework 2 by the vertical pin 8 that extends with the car body above-below direction.
The leading section of the frame 9 of above-mentioned rubber draft gear 1 is connected the rearward end that makes the adaptor union (not shown) that vehicle is connected with each other by the connecting pin 10 that extends at the car body left and right directions.Therefore, when train clashed into, for example above-mentioned adaptor union retreated, and then said frame joint 9 also can retreat, and therefore, the extension of the yielding rubber 3A by energy disperser 1 and the contraction of yielding rubber 3B can elasticity absorb the stroke that this retreats.
Above-mentioned rubber draft gear 1 is by built-in yielding rubber 3A, and 3B absorbs Impact energy (collision energy) along the elongation and the compression of car body fore-and-aft direction.Yielding rubber 3A, 3B is under situation about compressing fully in order to absorb Impact energy, promptly reaching when being used to absorb the stroke of Impact energy, cut off and destroy a plurality of rivets that the Supporting fixture make support rubber energy disperser 1 links to each other with the car body underframe, do not import excessive load (collision load) to the car body underframe.Therefore, after reaching the impact absorption stroke of rubber draft gear 1, cut off destroy make the rivet of Supporting fixture and the combination of car body underframe after, when the car body underframe after destruction clashes into each other, can't carry out the absorption of energy.Bump stroke when therefore, the car body underframe clashes into each other and the acceleration/accel that produces in car body will be very big.
, general tubing has by selecting its size and thickness of slab, along this tubing axial action clamp load the time, and the load and produce the performance of accordion-like distortion of buckling that can suppress that the tubing integral, flexible buckles.Hence one can see that, can adopt aforementioned tubes as the impact absorbing member that can absorb Impact energy by its scuffing.And,, therefore, extensively adopted the impact energy absorption structure of having used tubing owing to can absorb Impact energy by the scuffing that produces by described tubing in the past.
As having utilized this tubing to absorb the structure of Impact energy, proposed referring to the spy by the shock absorber that contains at least one longitudinal component (for example, opening flat 7-186951 communique) of distortion absorption by the energy that impact produced that produces along prescribed direction.The energy-absorbing element of this longitudinal component for being made by thin plate, it is triangular in shape perpendicular to the section integral body in the plane of impact direction.
Therefore, can consider to utilize Impact energy after the shock absorber that has used this tubing absorbs the impact absorption stroke reach rubber draft gear.
But if structure uses perpendicular to the whole energy absorbing member triangular in shape of described parts section in the plane of the direction of the impact effect that is produced by described bump, so because this component shape complexity, therefore, weld line is more, and manufacturing cost is higher.
In addition, be under the situation of even number at the limit of tubing number, because scuffing, can stably be caused with respect to original in the tubing (before the distortion) wall laterally or the inboard staggered distortion that breaks away from the plane that produces in the limit of adjacency therefore.But, be under the leg-of-mutton situation at above-mentioned section, because the limit number of tubing is an odd number, therefore, can produces the not part of folding accordion-like, thereby be difficult to stably cause scuffing.
Summary of the invention
Therefore, the present inventor from the result that repeatedly tubing that is easy to cause scuffing (plastic deformation) specialized in as can be known, use rectangular tube as impact absorbing member, by this rectangular tube rubber draft gear is connected to the car body underframe, the width B on a limit of described rectangular tube section and the pass between the plate thickness t tie up to E represent the poplar formula spring rate of impact absorbing member material, when σ y represents yield stress, if can satisfy:
B≤(t/0.526)(E/σy)
1/2???????????????(1)，
Because the spacing of buckling (wavelength of the ripple of buckling) of the panel of impact absorbing member is shorter, therefore be easy to produce scuffing so.In addition, it can also be seen that, scuffing on average damage antagonistic force by pressure as described later, the formula that can propose by W.Abramowicz and T.Wierzbicki in practice (in design) very calculate to a nicety out, and compare with the situation of the relation that does not satisfy above-mentioned formula, can absorb macro-energy.By utilizing above said content, can relax the bump stroke and the acceleration/accel that clash into generation by the car body underframe each other, thereby realize the present invention.
The object of the present invention is to provide the mounting structure of a kind of adaptor union of railway vehicle with rubber draft gear, this structure can also reduce the bump stroke and the acceleration/accel that are clashed into generation by the car body underframe each other when stably causing scuffing.
Use in the mounting structure of rubber draft gear at the adaptor union of railway vehicle of the present invention, be sequentially with adaptor union, rubber draft gear, square tubular impact absorbing member along the car body fore-and-aft direction, the car body underframe bears the bump stroke of car body fore-and-aft direction by described impact absorbing member.
Described impact absorbing member represents the poplar formula spring rate of the material of its impact absorbing member at E, when σ y represents yield stress, the pass between the width B on its limit of section and the thickness t of plate is
B≤(t/0.526)(E/σy)
1/2???????????(1)。
By increasing and decreasing the quantity of described impact absorbing member, can adjust uptake as the Impact energy of structural entity.
Because rear side by described square tubular impact absorbing member support rubber energy disperser, therefore, in the vehicle fore-and-aft direction effect of when bump during load, rubber draft gear absorbs Impact energy, after reaching its stroke, then produce scuffing (plastic deformation) and absorb Impact energy by impact absorbing member.In this case, owing to the width B and the plate thickness t that have set a limit of square tubular impact absorbing member in the mode that satisfies following formula (1), therefore, the spacing of buckling of the panel of impact absorbing member is less.Therefore, impact absorbing member can produce scuffing (plastic deformation), thereby can absorb Impact energy by this scuffing.
Like this, when bump,, but also can absorb Impact energy by impact absorbing member not only by rubber draft gear.Therefore, even final car body underframe clashes into each other, also can reduce the acceleration/accel that clashes into generation by the car body underframe each other significantly.In addition, owing to utilize the simple structure in rear portion of square tubular impact absorbing member support rubber energy disperser, therefore, be easy to make, and cost is lower.
The relation of interval L2 between the length L 1 of described impact absorbing member and the joint face of described adaptor union and the described car body underframe front end preferably satisfies formula:
L1≥L2?????????????????????(2)。
If satisfy following formula (2), promptly, the length L 1 that makes impact absorbing member is greater than the joint face of described adaptor union and the interval L2 between the described car body underframe front end, so under the Supporting fixture that makes rubber draft gear by rivet is connected situation on the car body underframe, by suitably designing the shearing strength of these rivets, even resulting from the retreating of adaptor union, after rubber draft gear reaches the impact absorption stroke, can not cut off yet and destroy described rivet, before the car body underframe clashes into each other, utilize described impact absorbing member can guarantee to absorb Impact energy.Therefore, can obtain to help reducing by the bump stroke of bump generation and the structure of acceleration/accel.
Described rubber draft gear is bearing in be installed in the Supporting fixture on the described car body underframe.In addition, described rubber draft gear forwardly has the connecting portion that links to each other with described adaptor union, described connecting portion between the left and right sides carriage that is arranged at described Supporting fixture front portion by and link to each other with described adaptor union, the interval of the car body left and right directions of left and right sides carriage has the size of body that can be by described adaptor union.For example, if the interval W1 of left and right sides carriage of supporting member that makes the supporting front side can make the body of adaptor union pass through greater than the maximum width W2 of described adaptor union body so.
Like this, when bump,, and allow adaptor union to retreat, therefore adaptor union is retreated with linearity, and make rubber draft gear and impact absorbing member distortion to help absorbing Impact energy because the interval of left and right sides carriage can allow the body of adaptor union to pass through.
When the connecting pin that extends along the car body left and right directions that is connected the rearward end of adaptor union at the leading section that is used to make rubber draft gear (frame) has adopted the structure of stretching out to the left and right greater than the adaptor union body, described left and right sides carriage preferably is made of to make at the car body above-below direction the two sections bracket part respectively and has at interval, and these are the bracket part size of passing through every the connecting pin of the car body left and right directions that preferably has the rearward end that can allow to connect described adaptor union and rubber draft gear between the upper and lower each other up and down.
Like this, even the leading section of rubber draft gear (frame) being connected the connecting pin of the car body left and right directions of connector rear end portion stretches out greater than the adaptor union body in the side, because the sponson of connecting pin can be by described interval (interval of the car body above-below direction of bracket part up and down), therefore, can realize can not hindering the structure that adaptor union retreats.
Description of drawings
Fig. 1 is the planar view of the adaptor union of expression railway vehicle of the present invention with the mounting structure of energy disperser;
Fig. 2 is the lateral plan of Fig. 1;
Fig. 3 (a) is the front schematic view that shows the experimental set-up structure, and Fig. 3 (b) is for amplifying the planar view of this experimental set-up main portion of expression;
Fig. 4 is a diagram of curves of obtaining the result of the amount of damaging by pressure (displacement) of the pipe fitting that is used to absorb impact and car body antagonistic force (load) relation with experimental set-up shown in Figure 3;
Fig. 5 is used to absorb the pipe fitting width B of impact and the diagram of curves that average compressing stress concerns among expression the present invention;
Fig. 6 (a)～Fig. 6 (c) has represented to use the instruction diagram of railway vehicle adaptor union of the present invention with the deformation pattern of the railway vehicle forefront of the mounting structure of energy disperser in the pattern mode respectively;
Fig. 7 is the figure identical with Fig. 1 about another embodiment;
Fig. 8 is the figure identical with Fig. 2 about another embodiment;
Fig. 9 is the block diagram of rubber draft gear in the railway vehicle.
The specific embodiment
Below, embodiments of the invention are described with reference to the accompanying drawings.
As depicted in figs. 1 and 2,, rubber draft gear 1 is linked to each other with the rearward end of adaptor union 11, be symmetrical set the barrel-contoured pipe fitting 12L that is used to absorb impact of square, 12R side by side at the rear side of rubber draft gear 1 at the forefront (or rearward end) of railway vehicle.That is, adaptor union 11, rubber draft gear 1 and the pipe fitting 12L that is used to absorb impact, 12R is provided with in proper order along the fore-and-aft direction of car body.Car body underframe 13 is by the described pipe fitting 12L that is used to absorb impact, and 12R bears the bump stroke of car body fore-and-aft direction.The structure of described rubber draft gear 1 is basic identical with the rubber draft gear that illustrates in the prior art hurdle.
The described pipe fitting 12L that is used to absorb impact, 12R constitutes with the closed section structure (pipe of square cross-section) with four panel part.The described pipe fitting 12L that is used to absorb impact, 12R represent the poplar formula spring rate of its material at E, when σ y represents yield stress, the relation between the width B of its panel part and the thickness t of plate satisfies:
B≤(t/0.526)(E/σy)
1/2??????????????(1)
Simultaneously, above-mentioned pipe fitting 12L, the relation of the interval L2 between the length L 1 of 12R and the joint face 11a of above-mentioned adaptor union 11 and the above-mentioned car body underframe 13 should satisfy L1 〉=L2 (2).
Specifically, the rearward end of adaptor union 11 links to each other with the frame 9 that is positioned at rubber draft gear 1 front end by the connecting pin 10 that extends along the car body left and right directions.The bottom of described frame 9 is installed in the front side of framework 2 by the vertical pin 8 that extends along the car body above-below direction.Make the square barrel-contoured pipe fitting 12L that is used to absorb impact that extends along the car body fore-and-aft direction, the leading section of 12R (impact absorption part) is connected the supporting member 5 (rubber pad) of rubber draft gear 1 rear side.Make pipe fitting 12L, the rearward end of 12R is connected on the rear side bearing support 14 that is supported by Supporting fixture 21.Be used to absorb the pipe fitting 12L of impact, the length L 1 of 12R equals the interval L2 of the joint face 11a of described adaptor union 11 and car body underframe 13 front ends or greater than this interval.The described pipe fitting 12L that is used to absorb impact, 12R is symmetrical set, so that can more balancedly bear bump stroke.
And the bottom of described adaptor union 11 is by conjunction 15, supported from the below by the cross-piece 16 along the car body underframe 13 of the square extension in the car body left and right sides.
Two carriage 22L about the leading section of the Supporting fixture 21 (having movable head) that supports described rubber draft gear 1 along the car body fore-and-aft direction movably is provided with, 22R.Left and right sides carriage 22L, 22R have the size that can pass through the body 11b (part of maximum width W2) of adaptor union 11 at the interval of car body left and right directions W1.Therefore, when adaptor union 11 retreats, can not contact left and right sides carriage 22L with the body of adaptor union 11, the mode of 22R retreats.Therefore, be easy to realize buffering by rubber draft gear 1.In addition, at the left and right sides of described Supporting fixture 21 bearing support 23L, 23R is provided with rivet hole 23a, by a plurality of rivets (omitting among the figure) described Supporting fixture 21 is fixed on the car body underframe 13.
Adopt above structure, be used to absorb the pipe fitting 12L of impact, the load of 12R axis direction can act on the barrel-contoured pipe fitting 12L that is used to absorb impact of described square, the leading section of 12R equally.Under the situation less in described load, that Impact energy is less, by the yielding rubber 3A of rubber draft gear 1,3B can absorb Impact energy.Therefore, in this case, the pipe fitting 12L being used to absorb impact can not produce distortion on the 12R., rubber draft gear 1 big at Impact energy reaches under the situation (rubber draft gear compresses fully) of its impact absorption stroke (deformation stroke), and energy remaining is by the pipe fitting 12L that is used to absorb impact, and the distortion of the accordion-like of 12R absorbs.
By being used to absorb the pipe fitting 12L of impact, 12R support rubber energy disperser 1, the described pipe fitting 12L that is used to absorb impact, the length L 1 of 12R is greater than the joint face 11a of above-mentioned adaptor union 11 and the interval L2 of above-mentioned car body underframe 13 front ends.Therefore, under the Supporting fixture that makes rubber draft gear 1 by rivet and situation that car body underframe 13 links to each other, by suitably designing the shearing strength value of described rivet, even do not absorb at rubber draft gear 1 under the situation of Impact energy, rivet can not cut off yet and break when between the car body underframe bump taking place, Impact energy is by the pipe fitting 12L that is used to absorb impact, and the accordion-like of 12R distortion (plastic deformation) absorbs.Therefore, arrange the railway train that forms by a plurality of vehicles under the situation of colliding with other train, even the impact absorption scarce capacity of rubber draft gear 1, be used to absorb the pipe fitting 12L of impact, the impact absorption ability of 12R also can compensate it, thereby make car body underframe 13 produce bigger damage when avoiding between car body underframe 13, directly clashing into, and the passenger was applied the such accident of large impact.
In addition, because left and right sides carriage 22L, the interval W1 of 22R is greater than the maximum width W2 of the body 11b of above-mentioned adaptor union 11, and therefore, when bump, the body 11b of adaptor union 11 can pass through between the 22R at left and right sides carriage 22L.Therefore, owing to can allow adaptor union 11 to retreat, therefore, adaptor union 11 straight lines are retreated.As a result, rubber draft gear 1 and the pipe fitting 12L that is used to absorb impact, 12R is urged along their axis, is beneficial to absorb Impact energy thereby produce distortion.
Below, the barrel-contoured pipe fitting 12L that is used to absorb impact of square is described, 12R can effectively absorb the reason of Impact energy if satisfy fwd formula (1) after plastic deformation.
At first, at k (=4) expression buckling coefficient, the poplar formula spring rate of E presentation surface panel material, υ (=0.3) represents Poisson's ratio, t represents the plate thickness of panel, and during R display plate width, following formula (3) can be obtained the buckling stress σ cr of the panel in Hookean region.
σcr＝k{π
2E/12(1-υ
2)}(t/B)
2???????(3)
Described buckling stress σ cr is as if the yield stress greater than material, and (be equivalent to be used to absorb the pipe fitting 12L of impact, panel 12R) then can produce plasticity and buckle square tube.In this case, should satisfy following formula (4).
σcr＝k{π
2E/12(1-υ
2)}(t/B)
2≥σy
(t/B)(E/σy)
1/2(＝A)≥{12(1-υ
2)/Kπ
2)}
1/2＝0.526
B≤(t/0.526)(E/σy)
1/2?????????????(4)
Thus, if obtain described poplar formula spring rate and yield stress σ y, just can determine the width B of plate and the relation of thickness of slab t.That is, greater than 0.526, panel then can produce plasticity and buckle as if A.
Below, be illustrated in quasistatic along the comparison computing value of tubular axis when damaging square tube by pressure and the result of the value gained of experiment value with table 1 with various sizes and thickness of slab.Can determine thus: when these values satisfied the condition that makes panel produce plasticity pressure in the wrong, α and β were very approaching value.
[table 1]
| Type | Material | ????σy ??(N/mm 2) | ????σb ??(N/mm 2) | ???B ??(mm) | ?????T ????(mm) | ?(B-2R)/t | ?α ?(kN) | ?β ?(kN) | ?α/β | ?A |
| ?100R10t1.6 ?150R15t2.3 ?150R10t2.3 | ?SPA-C | ????315 | ????450 | ??100 ??150 ??150 | ????1.6 ????2.3 ????2.3 | ????50 ????52 ????57 | ?38.7 ?83.7 ?83.2 | ?59.5 ?124.9 ?124.9 | ?0.65 ?0.67 ?0.67 | ?0.38 ?0.39 ?0.39 |
| ?100R8t4 ?100R6.4t3.2 ?150R9t4.5 | ?STKR ?400 | ????245 | ????400 | ??100 ??100 ??150 | ????4 ????3.2 ????4.5 | ????21 ????27 ????29 | ?243.9 ?152.8 ?257.0 | ?235.5 ?163.7 ?331.6 | ?1.04 ?0.93 ?0.78 | ?1.16 ?0.93 ?0.86 |
At this, the σ b in the table 1 is a pulling strengrth, and R is illustrated in the radius of curvature in the bight of square tube section part.In addition, α is the experiment value of average antagonistic force.Because can be from the antagonistic force of load (=antagonistic force) that obtain in advance, when crushing square tube (impact absorbing member) and displacement (distance that crushes) relation-damage discharge curve figure (referring to Fig. 4) by pressure to obtain energy, therefore, can obtain above-mentioned average antagonistic force value α according to this energy.
β is the computing value by the average antagonistic force of following formula (5) (formula that W.Abramowicz and T.Wierzbicki propose) acquisition.The plastic work done of described formula (5) for the bending of the deformation pattern of supposition when damaging by pressure with when extending damaging by pressure of obtaining equates with merit by the external force generation, obtains the simple type about the average antagonistic force of square tube thus.
β＝12.16σoB
0.37t
1.83???????????(5)
Herein, σ o=0.92 σ b, σ b represents pulling strengrth, and B represents the length on limit, and t represents thickness of slab.
A in the table 1 is represented by (6) formula.
A＝(t/B)(E/σy)
1/2????????????(6)
Thus, by content noted earlier as can be known, at A greater than 0.526 o'clock, experiment value α and computing value β by foregoing suggestion formula (referring to (5) formula) gained about equally, and high antagonistic force can obtain than elastic buckling the time.So, can learn:, also can realize the actv. energy absorbing even weight is identical.
Its result is used to absorb the pipe fitting 12L of impact, and 12R can adopt small parts, and can be used as can effective endergonic energy absorbing element.In addition, in when design, can be identified for obtaining plate width and plate thickness simply as the panel of the absorber element of the antagonistic force of target by (5) formula.
Satisfy following formula (1) and concern in the square tube of shape having, to plate thickness is t=4.5,6,9,12mm has shown in Fig. 5 simultaneously according to above-mentioned suggestion formula ((5) formula) result calculated and the dynamic experiment result (situation that has only shown plate thickness t=6.9mm) that damages square tube in the impact mode by pressure.Can infer that by Fig. 5 described suggestion formula ((5) formula) sets up bearing under the situation of dynamic load also.At this, the longitudinal axis is average antagonistic force, and transverse axis is the width of panel.
(dynamic experiment method)
Shown in Fig. 3 (a) and Fig. 3 (b), prepared to have gradient and be the base 31 of 1/10 dip plane 31a.On the 31a of this dip plane, be equipped with track 32.The chassis 33 (speed during bump is about 19km/h) that makes weight be about 13t travels on the track 32, makes its bump be fixed on the square tube 34 (being equivalent to impact absorbing member) of destination county and the square tube 34 of crushing.Utilize force transducer 35 to measure the antagonistic force of this moment.And, utilize the laser displacement sensor (not shown) to measure the displacement of chassis 33 front end face 33a at fixed point P place, obtain displacement.Metering result by this antagonistic force and displacement obtains load-displacement curve.This curve is carried out integration obtain energy value.Obtain average crushing stress by this energy value.Be arranged on catadioptre 34 on the described chassis 33 by use, be arranged on ground first and first and second opto-electronic pickup 35,56 of the second place, can measure chassis 33 by the needed time between above-mentioned two positions.Can calculate bump speed before according to this measurement result.
Then, Fig. 4 and Fig. 6 (a)～Fig. 6 (c) show to by making the car body bump rigid walls that adopted structure of the present invention on car body during the effect bump stroke variable condition of body construction carry out the result of sunykatuib analysis gained.In this case, Fig. 6 (a)～Fig. 6 (c) is respectively 0mm, 125mm, the deformation pattern of 250mm for the path increment Ds as the amount of damaging by pressure in sunykatuib analysis
In the above-described embodiments, though respectively in Supporting fixture 21 about be provided with carriage 22L, 22R, the present invention is not limited to this.Comparing with the body of adaptor union, connecting pin forms two sections formula structure to the left and right with under the situation of stretching out more by making left and right sides carriage, can form the structure that connecting pin can retreat.In this case, for example as shown in Figure 7 and Figure 8, in frame 9 left and right sides, last lateral bracket 22La, 22Ra and lower bracket 22Lb, 22Rb between the upper and lower every than connecting pin 10 ' diameter big.Except making the left and right sides carriages in the described Supporting fixture 21 form two sections, promptly left and right sides carriage as last lateral bracket carriage 22La, 22Ra and lower bracket 22Lb, beyond the 22Rb, other structure and Fig. 1 and shown in Figure 2 identical.
In the above-described embodiments, owing to be used to absorb the pipe fitting 12L of impact, the length L 1 of 12R is greater than the joint face of described adaptor union 11 and the interval L2 between described car body underframe 13 front ends, therefore, under the Supporting fixture 21 that makes energy disperser 1 by rivet and situation that the car body underframe links to each other, by retreating of adaptor union 11, after rubber draft gear 1 reaches the impact absorption stroke, before the car body underframe clashed into each other, Impact energy was absorbed by impact absorbing member.But the length L 1 of impact absorbing member is not necessarily long than the joint face and the interval L2 between the described car body underframe front end of described adaptor union.For example, can adopt such structure, that is: make the length L 1 of impact absorbing member be slightly less than described interval L2, even retreating by adaptor union, rubber draft gear reaches to cut off behind the impact absorption stroke and has destroyed rivet, also can be roughly the same with situation noted earlier, utilize impact absorbing member before the car body underframe clashes into each other, to absorb Impact energy.
Claims (4)
1. the adaptor union of a railway vehicle is with the mounting structure of rubber draft gear, it is sequentially with adaptor union, rubber draft gear, square tubular impact absorbing member along the car body fore-and-aft direction, the car body underframe is characterized in that by the bump stroke that described impact absorbing member bears the car body fore-and-aft direction:
Described impact absorbing member represents the poplar formula spring rate of its impact absorbing member material at E, when σ y represents yield stress, the pass between the width B on its limit of section and the thickness t of plate is
B≤(t/0.526)(E/σy)
1/2。
2. the adaptor union of railway vehicle is with the mounting structure of rubber draft gear according to claim 1, and it is characterized in that: the pass of the interval L2 between the length L 1 of described impact absorbing member and the joint face of described adaptor union and the described car body underframe front end is L1 〉=L2.
3. the adaptor union of railway vehicle is characterized in that with the mounting structure of rubber draft gear as claimed in claim 1 or 2:
Described rubber draft gear is bearing in be installed in the Supporting fixture on the described car body underframe,
Described rubber draft gear forwardly has and is used for the connecting portion that links to each other with described adaptor union, this connecting portion can be between the left and right sides carriage that is arranged at described Supporting fixture front portion by and link to each other with described adaptor union,
The interval of the car body left and right directions of described left and right sides carriage has the size of body that can be by described adaptor union.
4. as the adaptor union of railway vehicle as described in the claim 3 mounting structure with rubber draft gear, it is characterized in that: described left and right sides carriage is made of to make at the car body above-below direction the bracket part up and down of two sections respectively and has at interval, and the interval of described car body above-below direction has the size that the connecting pin of the car body left and right directions that connects described connector rear end portion and rubber rearward end can pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03142313 CN1291878C (en) | 2003-04-16 | 2003-04-16 | Mounting structure of rubber buffer for connector of stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03142313 CN1291878C (en) | 2003-04-16 | 2003-04-16 | Mounting structure of rubber buffer for connector of stock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1537769A true CN1537769A (en) | 2004-10-20 |
| CN1291878C CN1291878C (en) | 2006-12-27 |
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ID=34324001
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03142313 Expired - Fee Related CN1291878C (en) | 2003-04-16 | 2003-04-16 | Mounting structure of rubber buffer for connector of stock |
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| CN110621565A (en) * | 2017-03-06 | 2019-12-27 | 德尔纳库普勒斯股份公司 | Energy dissipator suitable for use as part of a coupling device for coupling a first car in a multi-car vehicle and a second car in a multi-car vehicle and method for dissipating energy in a coupling device |
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| CN103212906A (en) * | 2012-01-19 | 2013-07-24 | 昆山思拓机器有限公司 | Elastic buffer device for laser device |
| CN103212906B (en) * | 2012-01-19 | 2016-04-27 | 昆山思拓机器有限公司 | A kind of elastic buffering mechanism for laser equipment |
| CN103241262A (en) * | 2013-05-28 | 2013-08-14 | 南车株洲电力机车有限公司 | Protecting device and protecting method of heavy-duty locomotive |
| CN103241262B (en) * | 2013-05-28 | 2015-07-29 | 南车株洲电力机车有限公司 | A kind of heavy loading locomotive fender guard and guard method |
| CN106809240A (en) * | 2016-12-29 | 2017-06-09 | 比亚迪股份有限公司 | Hitch and the railcar train with hitch |
| CN110312651A (en) * | 2017-02-09 | 2019-10-08 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle collision system |
| CN110312651B (en) * | 2017-02-09 | 2021-08-06 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle collision system |
| CN110621565A (en) * | 2017-03-06 | 2019-12-27 | 德尔纳库普勒斯股份公司 | Energy dissipator suitable for use as part of a coupling device for coupling a first car in a multi-car vehicle and a second car in a multi-car vehicle and method for dissipating energy in a coupling device |
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|---|---|
| CN1291878C (en) | 2006-12-27 |
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