CN205010247U - Rail vehicle and air suspension protection device thereof - Google Patents
Rail vehicle and air suspension protection device thereof Download PDFInfo
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- CN205010247U CN205010247U CN201520768591.7U CN201520768591U CN205010247U CN 205010247 U CN205010247 U CN 205010247U CN 201520768591 U CN201520768591 U CN 201520768591U CN 205010247 U CN205010247 U CN 205010247U
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- air bag
- fender guard
- side plate
- suspension
- pneumatic suspension
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- 239000000725 suspension Substances 0.000 title claims abstract description 66
- 230000009977 dual effect Effects 0.000 claims description 33
- 230000001105 regulatory effect Effects 0.000 claims description 19
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000037433 frameshift Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
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Abstract
The utility model provides a rail vehicle and air suspension protection device thereof, air suspension protection device include adjusting device and strutting arrangement, adjusting device is including adjusting the gasbag, adjusts the gasbag and feeds through in hanging the gasbag, and adjust the intracapsular atmospheric pressure of gas and hang the intracapsular atmospheric pressure phase of gas etc. Or become a fixed proportion to make to adjust the gasbag and hang the gasbag and zoom in step, strutting arrangement connects on adjusting device to through adjusting zooming of gasbag, the immigration or the frame shifts out and the air suspension system between the support space. The utility model discloses an adjusting the gasbag and hanging the gasbag and isobaric or become the atmospheric pressure linkage design of certain atmospheric pressure proportion, the messenger installs this air suspension protection device's rail vehicle, sailing the in -process if be expert at and taking place to hang that the gasbag damages or during the circumstances of gas leakage, frame and air suspension system can not direct contact, still can normally go, avoid the emergence of incident.
Description
Technical field
The utility model relates to guideway vehicle technical field, particularly relates to a kind of Pneumatic Suspension fender guard and is provided with the guideway vehicle of this fender guard.
Background technology
As depicted in figs. 1 and 2, several comparatively common AIRMATIC Dual Control of existing guideway vehicle are represented.This AIRMATIC Dual Control mainly comprises leaf spring beam 3, is provided with the axletree 2 of traveling gear and hangs air bag 4.Wherein leaf spring beam 3 one end is articulated with the suspended bearer 1 on vehicle frame, and the other end arranges and hangs air bag 4, to make suspension air bag 4 elastic support between leaf spring beam 3 and vehicle frame.The leaf spring beam 3 of existing AIRMATIC Dual Control mainly comprises two kinds of set-up modes, and as shown in Figure 1, be leaf spring beam 3 formal dress, namely leaf spring beam 3 is positioned at above axletree 2; As shown in Figure 2, fill for leaf spring beam 3 is counter, namely leaf spring is positioned at below axletree 2.
Above-mentioned AIRMATIC Dual Control is all by U-shaped silk, axletree 2 and leaf spring beam 3 are linked together.It is good that the advantage of AIRMATIC Dual Control is mainly damping property, can also regulate height by hanging air bag 4.Hanging air bag 4 in AIRMATIC Dual Control is attrition components, needs periodical maintenance or replacing.If there is in transit the situation hanging air bag 4 damage, then vehicle cannot travel and even safety misadventure occur.In addition, it is not enough that the vehicle gas consumption of hanging when parking for a long time in air bag 4 and other pipelines causes hanging air bag 4 air pressure, also easily causes the generation of safety misadventure.Like this, time, man power and material will be subject to very large loss, and communications and transportation also will be greatly affected.
In order to improve above-mentioned technical matters; a kind of Pneumatic Suspension fender guard being applied to AIRMATIC Dual Control is proposed; make vehicle can also continue to travel when hanging air bag damage or air pressure deficiency; guarantee the safety of vehicle when parking for a long time simultaneously; reduce the loss of traffic impact and the manpower and materials caused because of vehicle damage, become a large technical matters urgently to be resolved hurrily in this area.
Utility model content
An object of the present utility model is, proposes a kind of Pneumatic Suspension fender guard, to solve in prior art, when the suspension air bag of AIRMATIC Dual Control damages or air pressure is not enough, and the technical matters that vehicle cannot travel and safety is not good.
Another object of the present utility model is, proposes a kind of guideway vehicle with described Pneumatic Suspension fender guard.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
The utility model proposes a kind of Pneumatic Suspension fender guard, be arranged between the vehicle frame of guideway vehicle and AIRMATIC Dual Control, described AIRMATIC Dual Control comprises suspension air bag, and wherein, described Pneumatic Suspension fender guard comprises control apparatus and bracing or strutting arrangement; Described control apparatus comprises adjustment air bag, and described adjustment air bag is communicated in described suspension air bag, and air pressure in described adjustment air bag is equal with the air pressure in described suspension air bag or become a fixed proportion, to make described adjustment air bag and the synchronous convergent-divergent of described suspension air bag; Described bracing or strutting arrangement is connected on described control apparatus, with the convergent-divergent by described adjustment air bag, moves into or shift out the supporting and space between described vehicle frame and described AIRMATIC Dual Control.
According to an embodiment of the present utility model, described control apparatus also comprises two blocks of side plates and retracing spring; Described two blocks of side plates are individually fixed in the both sides of described adjustment air bag, and described bracing or strutting arrangement is connected to wherein on a piece of described two blocks of side plates; Described retracing spring is connected between described two blocks of side plates; When air pressure in described adjustment air bag is nominal pressure, described retracing spring is extended state, and described bracing or strutting arrangement is positioned at outside described supporting and space; When air pressure in described adjustment air bag reduces, described retracing spring shrinks, and described two blocks of side plates are relatively close, and described bracing or strutting arrangement moves to described supporting and space; When air pressure in described adjustment air bag is decreased to minimum value, described bracing or strutting arrangement moves into described supporting and space.
According to another embodiment, described two blocks of side plates are respectively the first side plate and the second side plate, and described first side plate is fixedly installed, described second side plate can to described first side plate close or away from.
According to another embodiment, air bag is regulated to be arranged on described vehicle frame, have near the close end of described supporting and space and the distal portion away from described supporting and space, described first side plate is fixed on described close end and is fixed on described vehicle frame, and described second side plate is fixed on described distal portion.
According to another embodiment, described control apparatus also comprises at least one pilot bar; Pilot bar described in every root have be fixed on described two blocks of side plates one of them first end and the second end through side plate described in another block, the spacing of described two blocks of side plates that the length of described pilot bar is greater than described adjustment air bag when being nominal pressure.
According to another embodiment, described second end is provided with locating part.
According to another embodiment, described bracing or strutting arrangement comprises strut member and attaching parts; Described attaching parts connects described strut member and described control apparatus, and described control apparatus drives described strut member move into or shift out described supporting and space by described attaching parts.
According to another embodiment, described strut member is elastic component.
In order to solve the problems of the technologies described above; the technical scheme that the utility model proposes also comprises: propose a kind of guideway vehicle; comprise vehicle frame and AIRMATIC Dual Control; described AIRMATIC Dual Control comprises the leaf spring beam being articulated with described vehicle frame, the axletree being fixed on described leaf spring beam and the suspension air bag of resilient mounting between described leaf spring beam and described vehicle frame; wherein, described guideway vehicle also comprises described Pneumatic Suspension fender guard.
According to another embodiment, described vehicle frame comprises two longerons and fixed cross beam; Described two longerons be arranged in parallel; Described fixed cross beam is fixedly connected between described two longerons; The adjustment air bag of described Pneumatic Suspension fender guard is arranged on described fixed cross beam, and described strut member, by the convergent-divergent of described adjustment air bag, moves into or shift out the supporting and space between described longeron and described axletree; Or described strut member, by the convergent-divergent of described adjustment air bag, moves into or shifts out the supporting and space between described longeron and described leaf spring beam.
As shown from the above technical solution, the beneficial effects of the utility model are: the Pneumatic Suspension fender guard structure that the utility model proposes is simple, easy for installation.By regulating air bag and hanging air bag equipressure or become the air pressure of certain air pressure ratio to link to design; make the guideway vehicle being provided with this Pneumatic Suspension fender guard; when there is the situation hanging air bag damage or gas leakage if in the process of moving; vehicle frame can not directly contact with AIRMATIC Dual Control; still normally can travel, avoid the generation of safety misadventure.In addition, for the guideway vehicle parked for a long time, this Pneumatic Suspension fender guard also can ensure its safety, reduces the loss of traffic impact because vehicle damage causes and manpower and materials.
Accompanying drawing explanation
The structural representation that Fig. 1 is the AIRMATIC Dual Control of existing guideway vehicle when being Pneumatic Suspension formal dress;
The structural representation that Fig. 2 is the AIRMATIC Dual Control of existing guideway vehicle when to be that Pneumatic Suspension is counter fill;
Fig. 3 is the structural representation of a mode of operation of Pneumatic Suspension fender guard one embodiment that the utility model proposes;
Fig. 4 is the right elevation of Fig. 3;
Fig. 5 is the birds-eye view of Fig. 3;
Fig. 6 is the structural representation of another mode of operation of Pneumatic Suspension fender guard one embodiment that the utility model proposes;
Fig. 7 is the partial schematic diagram of the guideway vehicle that the utility model proposes, and represents state when suspension air bag pressure is normal;
Fig. 8 is the partial schematic diagram of the guideway vehicle that the utility model proposes, and represents state when hanging air bag gas leakage.
Wherein, description of reference numerals is as follows:
1. suspended bearer; 2. axletree; 3. leaf spring beam; 4. hang air bag; 5. longeron; 6. Pneumatic Suspension fender guard; 7. wheel; A. fixed cross beam; B. air bag is regulated; C. retracing spring; D. pilot bar; E. attaching parts; F. strut member.
Detailed description of the invention
The exemplary embodiments embodying the utility model feature & benefits will describe in detail in the following description.Be understood that the utility model can have various changes in different embodiments, it neither departs from scope of the present utility model, and explanation wherein and to be shown in be the use explained in essence, and be not used to limit the utility model.
Pneumatic Suspension fender guard embodiment
As shown in Figure 3, an embodiment of the Pneumatic Suspension fender guard 6 that the utility model proposes.In the present embodiment, this Pneumatic Suspension fender guard 6 is arranged between the vehicle frame and AIRMATIC Dual Control of guideway vehicle.As depicted in figs. 1 and 2, AIRMATIC Dual Control is roughly the same with existing structure, and it mainly comprises leaf spring beam 3, two ends are provided with wheel 7 axletree 2 (for convenience of description, using the structure one of of axletree 2 as AIRMATIC Dual Control) and hang air bag 4.Wherein, axletree 2 is fixed with leaf spring beam 3, and one end of leaf spring beam 3 is articulated with the suspended bearer 1 on vehicle frame or vehicle frame, and the other end arranges and hangs air bag 4, to make suspension air bag 4 elastic support between leaf spring beam 3 and vehicle frame.In addition, between vehicle frame and AIRMATIC Dual Control, (such as between vehicle frame and leaf spring beam 3, or the position such as between vehicle frame and axletree 2) has a supporting and space.As shown in Figures 3 to 6, in the present embodiment, Pneumatic Suspension fender guard 6 mainly comprises control apparatus and bracing or strutting arrangement.
As shown in Figures 3 to 6, in the present embodiment, control apparatus mainly comprises and regulates air bag b, two pieces of side plates (the first side plate and the second side plate), retracing spring c and pilot bar d.Wherein, regulate air bag b to be communicated in by tracheae and hang air bag 4, and regulate the air pressure in air bag b equal with the air pressure in suspension air bag 4 or become a fixed proportion, namely the air pressure in air bag b is regulated synchronously can to change according to the pressure variation hung in air bag 4, to make adjustment air bag b and the synchronous convergent-divergent of suspension air bag 4.
As shown in Figures 3 to 6, in the present embodiment, the first side plate and the second side plate are individually fixed in the both sides regulating air bag b, and bracing or strutting arrangement is connected to wherein on a piece of two blocks of side plates, and the height of two blocks of side plates is higher than the height regulating air bag b.For the ease of installing, the first side plate and vehicle frame or other structures can be fixed, that is, in the telescopic process of adjustment air bag b, only have the second side plate to the first side plate close or away from.
As shown in Figures 3 to 6, in the present embodiment, retracing spring c is connected between the part of two blocks of side plates higher than adjustment air bag b, the roughly flexible stroke of retracing spring c is: when being nominal pressure (regulating the pressure in air bag b when namely suspension air bag 4 is in normal condition) when regulating the air pressure in air bag b, retracing spring c is extended state, and bracing or strutting arrangement is positioned at outside supporting and space; When regulating the air pressure in air bag b to reduce, retracing spring c shrinks, and two blocks of side plates are relatively close, and bracing or strutting arrangement moves to supporting and space; When regulating the air pressure in air bag b to be decreased to minimum value, bracing or strutting arrangement moves into supporting and space.In addition, the quantity of retracing spring c and setting position can adjust, flexibly not as limit.
As shown in Figures 3 to 6, in the present embodiment, pilot bar d is two that be arranged in parallel, is all arranged between the part of two blocks of side plates higher than adjustment air bag b.Every root pilot bar d have be fixed on the first side plate one of them first end and through the second end of the second side plate, the bearing of trend of pilot bar d is consistent with the direction of relative movement between two blocks of side plates.Second side plate offers and passes and the pilot hole of free-extension for pilot bar d.The length of pilot bar d is greater than the spacing of two blocks of side plates when regulating air bag b to be nominal pressure, second end of pilot bar d is provided with locating part, such as fix the nut that an external diameter is greater than pilot hole aperture on the second end, depart from the second side plate to avoid pilot bar d completely owing to regulating the expansion of air bag b.In other embodiments, pilot bar d can be more than one or two, but should ensure to be parallel to each other and direction of relative movement between setting direction with biside plate is consistent, to ensure the free motion between two blocks of side plates (the second side plate).
As shown in Figures 3 to 6, in the present embodiment, bracing or strutting arrangement mainly comprises strut member f and attaching parts e.Wherein, attaching parts e is fixed on the second side plate in one end, and the other end and strut member f fix, and to connect strut member f and control apparatus, enables control apparatus drive strut member f move into or shift out supporting and space by attaching parts e.In the present embodiment, strut member f can select elastic component, such as spring etc., in other embodiments, strut member f also can select the combination of rigid pipe or itself and elastic component, such as set up the elastomeric pads such as rubber pad, not as limit at strut member f two ends (i.e. such as strut member f contact with axletree 2 with vehicle frame respectively two ends).
It should be noted that; as shown in Figure 3; in the present embodiment; the control apparatus of this Pneumatic Suspension fender guard 6 is arranged on vehicle frame; and regulate air bag b to have the close end of close supporting and space and the distal portion away from supporting and space; first side plate is fixed on close end and is fixed on vehicle frame, and the second side plate is fixed on distal portion, namely the first side plate comparatively the second side plate more near supporting and space.When regulating the air pressure of air bag b synchronously to decline because the air pressure hanging air bag 4 declines, due to the reseting elasticity of retracing spring c, retracing spring c pulls the second side plate to draw close along pilot bar d to the first side plate, and the bracing or strutting arrangement be connected on the second side plate is close to supporting and space immediately.Until when regulating air bag b internal gas pressure to be reduced to a threshold value (when this threshold value height be between vehicle frame and AIRMATIC Dual Control equals the height of strut member f; regulate the critical value of air bag b internal gas pressure; also this threshold value can suitably be improved as required; contact to avoid said structure completely; reach the effect of pre-protection); drive by regulating second side plate of air bag b; the strut member f of bracing or strutting arrangement enters supporting and space completely; and be supported in (as shown in Figure 8) between vehicle frame and AIRMATIC Dual Control, avoid vehicle to travel or safety misadventure generation.
In other embodiments, structure and the set-up mode of the adjustment air bag b of above-mentioned control apparatus, two blocks of side plates and bracing or strutting arrangement are not unique, can require that adjustment is not as limit flexibly according to the practical structures of vehicle and specific design, but the convergent-divergent by regulating air bag b should being ensured, driving strut member f to move into or shifting out the functional requirement of supporting and space.
Guideway vehicle embodiment
As shown in Figure 7 and Figure 8, an embodiment of the guideway vehicle that the utility model proposes.In the present embodiment, this guideway vehicle Pneumatic Suspension fender guard 6 of mainly comprising vehicle frame, AIRMATIC Dual Control and the utility model proposes.
Simultaneously with reference to shown in figure 1 and Fig. 2, in the present embodiment, this AIRMATIC Dual Control mainly comprise be articulated with vehicle frame leaf spring beam 3, be fixed on leaf spring beam 3 (above or below) axletree 2 and the suspension air bag 4 of resilient mounting between leaf spring beam 3 and vehicle frame.
As shown in Figure 7 and Figure 8, in the present embodiment, vehicle frame mainly comprise be arranged in parallel two longerons 5, be connected to fixed cross beam a between two longerons 5 and other necessary structures.Fixed cross beam a is roughly positioned at the top of axletree 2, so that the installation of Pneumatic Suspension fender guard 6.
As shown in Figure 7 and Figure 8, in the present embodiment, the adjustment air bag b of Pneumatic Suspension fender guard 6 is arranged on fixed cross beam a, that is, the first side plate is fixed on fixed cross beam a.Strut member f by regulating the convergent-divergent of air bag b, can move into or shift out the supporting and space between longeron 5 and axletree 2; Or strut member f by regulating the convergent-divergent of air bag b, can move into or shift out the supporting and space between longeron 5 and leaf spring beam 3.
The guideway vehicle that the utility model proposes, in traveling or when parking for a long time, when hanging air bag 4 and leaking gas, hangs air bag 4 internal pressure and reduces, regulate the pressure in air bag b also to be reduced by rated pressure.The spring release reseting elasticity of control apparatus, pulls to the first side plate by the second side plate.Until bracing or strutting arrangement moves in supporting and space, realize the protection support function between vehicle frame and each structure of AIRMATIC Dual Control.
In addition, in order to ensure two AIRMATIC Dual Control and the isostructural uniform force of wheel 7 at same axletree 2 two ends, two Pneumatic Suspension fender guards 6 that the utility model proposes can be set simultaneously.That is, arrange the control apparatus of two Pneumatic Suspension fender guards 6 respectively at the both ends of fixed cross beam a, each control apparatus connects the suspension air bag 4 of the AIRMATIC Dual Control of homonymy respectively by tracheae.
In other embodiments, also can by the fabric connectivity of the suspension air bag 4 of two AIRMATIC Dual Control at same axletree 2 two ends by such as tracheae, avoid the problem of the unbalance stress caused because single suspension air bag 4 leaks gas, avoid inclination of vehicle generation safety misadventure.
Though exemplary embodiment describe with reference to several the guideway vehicle and Pneumatic Suspension fender guard thereof that the utility model proposes, should be understood that term used be illustrate and illustrative, and not restrictive.Specifically can implement in a variety of forms due to the utility model and not depart from its design or essence, therefore, above-described embodiment is not limited to any aforesaid details, and explain widely in the design that should limit in claim of enclosing and scope, therefore the whole change fallen in claim or its equivalent scope and remodeling all should be claim of enclosing and contained.
Claims (10)
1. a Pneumatic Suspension fender guard (6); be arranged between the vehicle frame of guideway vehicle and AIRMATIC Dual Control; described AIRMATIC Dual Control comprises suspension air bag (4), and it is characterized in that, described Pneumatic Suspension fender guard (6) comprising:
Control apparatus, comprise and regulate air bag (b), described adjustment air bag (b) is communicated in described suspension air bag (4), and air pressure in described adjustment air bag (b) is equal with the air pressure in described suspension air bag (4) or become a fixed proportion, to make described adjustment air bag (b) and the synchronous convergent-divergent of described suspension air bag (4); And
Bracing or strutting arrangement, is connected on described control apparatus, with the convergent-divergent by described adjustment air bag (b), moves into or shift out the supporting and space between described vehicle frame and described AIRMATIC Dual Control.
2. Pneumatic Suspension fender guard (6) according to claim 1, it is characterized in that, described control apparatus also comprises:
Two blocks of side plates, are individually fixed in the both sides of described adjustment air bag (b), and described bracing or strutting arrangement is connected to wherein on a piece of described two blocks of side plates; And
Retracing spring (c), is connected between described two blocks of side plates;
When air pressure in described adjustment air bag (b) is nominal pressure, described retracing spring (c) is extended state, and described bracing or strutting arrangement is positioned at outside described supporting and space; When air pressure in described adjustment air bag (b) reduces, described retracing spring (c) is shunk, and described two blocks of side plates are relatively close, and described bracing or strutting arrangement moves to described supporting and space; When air pressure in described adjustment air bag (b) is decreased to minimum value, described bracing or strutting arrangement moves into described supporting and space.
3. Pneumatic Suspension fender guard (6) according to claim 2; it is characterized in that; described two blocks of side plates are respectively the first side plate and the second side plate, and described first side plate is fixedly installed, described second side plate can to described first side plate close or away from.
4. Pneumatic Suspension fender guard (6) according to claim 3; it is characterized in that; air bag (b) is regulated to be arranged on described vehicle frame; have near the close end of described supporting and space and the distal portion away from described supporting and space; described first side plate is fixed on described close end and is fixed on described vehicle frame, and described second side plate is fixed on described distal portion.
5. Pneumatic Suspension fender guard (6) according to claim 2, it is characterized in that, described control apparatus also comprises:
At least one pilot bar (d), pilot bar (d) described in every root have be fixed on described two blocks of side plates one of them first end and the second end through side plate described in another block, the length of described pilot bar (d) is greater than the spacing of described adjustment air bag (b) for described two blocks of side plates during nominal pressure.
6. Pneumatic Suspension fender guard (6) according to claim 5, is characterized in that, described second end is provided with locating part.
7. Pneumatic Suspension fender guard (6) according to claim 1, it is characterized in that, described bracing or strutting arrangement comprises:
Strut member (f); And
Attaching parts (e), connect described strut member (f) and described control apparatus, described control apparatus drives described strut member (f) to move into or shift out described supporting and space by described attaching parts (e).
8. Pneumatic Suspension fender guard (6) according to claim 7, it is characterized in that, described strut member (f) is elastic component.
9. a guideway vehicle; comprise vehicle frame and AIRMATIC Dual Control; described AIRMATIC Dual Control comprises the leaf spring beam (3) being articulated with described vehicle frame, the axletree (2) being fixed on described leaf spring beam (3) and the suspension air bag (4) of resilient mounting between described leaf spring beam (3) and described vehicle frame; it is characterized in that, described guideway vehicle also comprises the Pneumatic Suspension fender guard (6) as described in any one of claim 1 ~ 8.
10. guideway vehicle according to claim 9, is characterized in that, described vehicle frame comprises:
Two longerons (5), be arranged in parallel; And
Fixed cross beam (a), is fixedly connected between described two longerons (5);
Adjustment air bag (b) of described Pneumatic Suspension fender guard (6) is arranged on described fixed cross beam (a), described strut member (f), by the convergent-divergent of described adjustment air bag (b), moves into or shifts out the supporting and space between described longeron (5) and described axletree (2); Or described strut member (f), by the convergent-divergent of described adjustment air bag (b), moves into or shifts out the supporting and space between described longeron (5) and described leaf spring beam (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520768591.7U CN205010247U (en) | 2015-09-30 | 2015-09-30 | Rail vehicle and air suspension protection device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520768591.7U CN205010247U (en) | 2015-09-30 | 2015-09-30 | Rail vehicle and air suspension protection device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205010247U true CN205010247U (en) | 2016-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520768591.7U Withdrawn - After Issue CN205010247U (en) | 2015-09-30 | 2015-09-30 | Rail vehicle and air suspension protection device thereof |
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| CN (1) | CN205010247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106553660A (en) * | 2015-09-30 | 2017-04-05 | 驻马店中集华骏车辆有限公司 | Rail vehicle and its air suspension protection device |
-
2015
- 2015-09-30 CN CN201520768591.7U patent/CN205010247U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106553660A (en) * | 2015-09-30 | 2017-04-05 | 驻马店中集华骏车辆有限公司 | Rail vehicle and its air suspension protection device |
| CN106553660B (en) * | 2015-09-30 | 2024-01-23 | 驻马店中集华骏车辆有限公司 | Rail vehicle and air suspension protection device thereof |
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