CN103991457B - Sewage suction mouth protective door device, skirting board and motor train unit - Google Patents
Sewage suction mouth protective door device, skirting board and motor train unit Download PDFInfo
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- CN103991457B CN103991457B CN201410221384.XA CN201410221384A CN103991457B CN 103991457 B CN103991457 B CN 103991457B CN 201410221384 A CN201410221384 A CN 201410221384A CN 103991457 B CN103991457 B CN 103991457B
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Abstract
The invention provides a sewage suction mouth protective door device, a skirting board and a motor train unit. The sewage suction mouth protective door device comprises a protective frame arranged on a skirting board window and a protective door for shielding an opening in the protective frame and is characterized in that the protective door is located on side of the protective frame, the protective door and the protective frame are matched through two parallelly-arranged chutes and two sliding rails in a sliding mode. Each sliding rail is arranged one corresponding chute. When the protective door is in an opening state, the outline width is not increased, and a whole train is prevented from going beyond the limitation bounds, so that the opened protective door is not bumped and damaged during train running, and potential safety hazard caused by the fact that the protective door bumps a platform is thoroughly eliminated. The protective door is located on the inner side of the skirting board, and even if a locking device is invalid, the protective door does not drop onto the outer side of a train body. The skirting board can be installed and welded in a blocking mode, and adjustment of a whole structure is facilitated.
Description
Technical field
The present invention relates to rail vehicle technology, more particularly, to a kind of pollution-absorbing nozzle protective door device, skirtboard and EMUs.
Background technology
As Figure 1-4, the pollution-absorbing nozzle 1a of EMU is arranged on toilet waste collector 10, after train is stopped, pollution-absorbing nozzle 1a
It is connected with suction-type sewer scavenger by pipeline, the dirt being collected in toilet waste collector 10 is entered on suction-type sewer scavenger；Toilet waste collector 10 and the lavatory of vehicle
Institute and the connection of toilet lower mouth of a river, for collecting the waste water of lavatory and toilet；Toilet waste collector 10 is usually located at car bottom, and
Across the setting of box width direction；It is connected with suction-type sewer scavenger for convenience, pollution-absorbing nozzle 1a is generally located on toilet waste collector 10 two ends, and position
In compartment both sides；Because toilet waste collector 10 and pollution-absorbing nozzle 1a are respectively positioned on interior, compartment both sides pass through skirtboard 1 by toilet waste collector 10 and
Pollution-absorbing nozzle 1a encloses and sets in the inner, and on skirtboard 1, the position of corresponding pollution-absorbing nozzle needs to open up window in order to pollution-absorbing nozzle with suction-type sewer scavenger even
Connect, for protecting the equipment of interior, during toilet waste collector 10 not blowdown, by protective door 2 by close.
Skirtboard 1 processes the door opening completing soil pick-up operation enough, is connected with protective door 2 by folding；Gas bullet
Spring two ends connect protective door 2 and skirtboard 1 respectively, and locking device 2a adopts screw mandrel linkage structure form, by latch and skirtboard 1
Lock grafting locking, locking device 2a mainly rotates lock collar 21 by handle inside skirtboard, by lock collar 21
Arcuate groove and the spacer pin 23 being fixed in mounting seat 22 carry out spacing, rotate 90 degree when rotate in place；It is fixed on lock
Active locking bar 24 concomitant rotation on disk 21, drives passive locking bar 25 mobile；Passive locking bar 25 is directed to code 26 and is defined to be only capable of
Move horizontally, when lock collar 21 rotates counterclockwise 90 degree, passive locking bar 25 is deviate from from pintle hook lock plate 27, protective door 2 lose spacing,
Protective door 2 is opened.It is locking device locking states as shown in Figure 5 a, as shown in Figure 5 b for locking device open mode.
Existing protective door 2 generally adopts folding paper structure to coordinate with the window on soil pick-up skirtboard 1, and soil pick-up skirtboard 1 is arranged
Below vehicle body bottom frame 20, need toilet waste collector 10 content pile need discharge when, after vehicle parking, locking device 2a is beaten
Open, protective door 2 be pulled outwardly, protective door 2 on soil pick-up skirtboard 1 be located at window top folding rotate, and with respect to skirtboard 1 to
So that pollution-absorbing nozzle 1a is exposed at window, the pipeline of suction-type sewer scavenger is connected with toilet waste collector 10 by pollution-absorbing nozzle 1a, by defecate collection for outer upset
Dirt in device 10 sucks in-car；There is following defect:
In blowdown, vehicle is stopped generally near platform, and when protective door is opened, the gauge beyond train outline requires.
Once protective door was lost efficacy and was in opening in train operation due to operational error or locking, protective door exceeds train and limits
At boundary, especially platform 30, once the train of protective door opening sails platform into, protective door 2 can be collided with platform 30,
Protective door 2 even car body is led to damage.
Content of the invention
The present invention provides a kind of pollution-absorbing nozzle protective door device, skirtboard and EMUs, is used for overcoming defect of the prior art,
Greatly improve reliability and the safety of protective door.
The present invention provides a kind of pollution-absorbing nozzle protective door device, including the protective frame for being arranged on skirtboard window be used for
Block the protective door of described protective frame；
Described protective door is located at described protective frame one side, and is put down by two between described protective door and described protective frame
The chute of row setting and two slide rails are slidably matched；
Each described slide rail is each provided in a described chute.
The present invention also provides a kind of skirtboard, and, along car length direction, cross section is curved for length direction；
Described skirtboard includes upper skirt, middle part skirtboard and the bottom skirtboard being fixedly connected sequentially in the height direction, its
Described in middle part skirtboard be provided with multiple windows, each described window is equipped with above-mentioned pollution-absorbing nozzle protective door device, described
Protective frame in pollution-absorbing nozzle protective door device is arranged on described window.
The present invention also provides a kind of EMUs, the more piece compartment connecting including head and the tail, and each compartment at least includes car body, institute
State vehicle bottom and there is vehicle body bottom frame, below described vehicle body bottom frame, be respectively provided with skirtboard along length over ends of body direction both sides；
Described skirtboard is above-mentioned skirtboard；
It is horizontally arranged with multiple toilet waste collectors along described width of the carbody direction in space between described two skirtboards；
Each described toilet waste collector two ends are respectively provided with a pollution-absorbing nozzle near the position of described skirtboard；
On middle part skirtboard in described skirtboard, each window all corresponds to a described pollution-absorbing nozzle.
Pollution-absorbing nozzle protective door device, skirtboard and EMUs that the present invention provides, during toilet waste collector blowdown, protective door are pulled open,
Pollution-absorbing nozzle is exposed from protective frame, so as to connect suction-type sewer scavenger pipeline, the not used time, protective door can be closed, pollution-absorbing nozzle and
Internal equipment is protected；Coordinate with chute due to passing through slide rail between protective frame and protective door, therefore, in running
Even if locking device lost efficacy, protective door also can be limited by fit structure between slide rail and chute, thus being come from cunning
Dynamic structure vertical, in the restriction of centrifugation force direction, will not come off from protective frame；Being slidably matched between protective door and protective frame
Structure, on the one hand passes through the position cooperation of slide rail and chute setting, on the other hand passes through the concrete shape between slide rail and chute
Cooperation, weight bearing area is in that dispersed is distributed along slide rail and chute installation position, installs knot with respect to hinge pin of the prior art
Structure, stability and intensity are all higher；Easily upon opening with respect to prior art, and it is not necessary to by auxiliary after pulling open protective door
Instrument just can remain on, and safety is higher；Because protective door is integrally located at the side of protective frame, during use, can will prevent
Shield door arranges the inner side that body inner side is skirtboard, when such protective door is in open mode, will not stretch out outside skirtboard, also would not
Beyond boundary outside car body, even if running because maloperation is not turned off protective door, also will not collide with after entering platform, preventing
Only train damages；Skirtboard can adopt the weldering of piecemeal group, facilitates integrally-built adjustment.
Brief description
Fig. 1 is that in prior art, the partial structural diagram installed with vehicle body bottom frame installed by skirtboard；
Fig. 2 is the cross-sectional structure schematic diagram of local vehicle body bottom frame and its rectangular structure in prior art；
Fig. 3 is the view that in prior art, protective door open mode enters platform；
Fig. 4 is the perspective view of skirtboard in prior art；
Fig. 5 a is the structural representation that in prior art, locking device is in locking states；
Fig. 5 b is the structural representation that in prior art, locking device is in opening；
Fig. 6 is the partial structural diagram of skirtboard provided in an embodiment of the present invention；
Fig. 7 is the left view of Fig. 6；
Fig. 8 is the rearview of Fig. 6；
Fig. 9 is the half opened condition schematic diagram of skirtboard provided in an embodiment of the present invention；
Figure 10 is along a-a to sectional view in Fig. 9；
Figure 11 is the structural representation of skirtboard provided in an embodiment of the present invention；
Figure 12 is the assembling structure schematic diagram of the skirtboard shown in Figure 11 and protective door；
Figure 13 is the partial structural diagram of EMUs provided in an embodiment of the present invention.
Specific embodiment
As illustrated in figures 6-10, a kind of pollution-absorbing nozzle protective door device, including for being arranged on the protective frame 3 on skirtboard 1 window
With the protective door 2 for blocking protective frame 3 upper shed；Protective door 2 is located at protective frame 3 one side, and protective door 2 and protective frame 3
Between be slidably matched by two chutes be arrangeding in parallel 41 and two slide rails 42；Each slide rail 42 is each provided at a chute 41
Interior.
The pollution-absorbing nozzle protective door device that the present invention provides, during toilet waste collector blowdown, protective door is pulled open so that pollution-absorbing nozzle is from anti-
Exposing in shield frame, to connect the pipeline of suction-type sewer scavenger, the not used time, protective door can be closed, the equipment of pollution-absorbing nozzle and inside is able to
Protection；Coordinate with chute due to passing through slide rail between protective frame and protective door, therefore, even if locking device loses in running
Effect, protective door also can be limited by between slide rail and chute, will not come off from protective frame；Between protective door and protective frame
Sliding matching structure, on the one hand passes through the position cooperation of slide rail and chute setting, on the other hand passes through between slide rail and chute
Concrete shape coordinates, and weight bearing area is in that dispersed is distributed along slide rail and chute installation position, with respect to folding of the prior art
Axle mounting structure, stability and intensity are all higher；Easily upon opening with respect to prior art, and after pulling open protective door it is not necessary to
Remain on by auxiliary setting, safety is higher；Because protective door is integrally located at the side of protective frame, during use, can
Protective door setting body inner side is the inner side of skirtboard, when such protective door is in open mode, will not stretch out outside skirtboard, also
Without departing from boundary outside car body, even if running because maloperation is not turned off protective door, also will not knock after entering platform
Touch, it is to avoid train therefore damages.
The profile area of protective door 2 can be more than the profile area of protective frame 1；Chute 41, slide rail 42 and protective door and protection
The combining form of frame does not limit, and can be that two chutes are each provided at protective frame one side, then two slide rails are each provided on protective door；?
Can be a chute and a slide rail is located at protective frame one side, then another chute corresponding with another slide rail be arranged in anti-
On shield door；Can also be that two slide rails are each provided on protective frame, then two chutes are each provided on protective door；Here chute refers to
Broad sense cross section is in the groove of u shape；The shape of slide rail can be with regular geometric shape, such as rectangle, trapezoidal, semicircle, circular, oval
Shape etc., can also be irregularly shaped, and the concrete shape of chute is adapted with slide rail.
Preferred version as above-described embodiment:
Protective door 2 and all curved panel shape of protective frame 3；Protective door 2 is located on the one side of protective frame 3 indent.Arc
The shape of panel is more suitable for car bottom profile, in running, outside the setting impact compartment of protective door 2
Size, protective door 2 is arranged on the one side of protective frame 3 indent.
Further preferred version as above-described embodiment:
As shown in fig. 7, for convenience of the installation of protective door, the one side of protective frame 3 indent has a slide rail 42 and sliding
Groove 41, slide rail 42 is parallel with chute 41；One slide rail 42 and being coordinated with chute 41 is wherein had on protective door 2 join with slide rail 42
The chute 41 closing.
Further preferred version as above-described embodiment:
As shown in Figure 10, it is arranged on the circular in cross-section of the slide rail 41 on protective frame 3；
One claw 40 is had on protective door 2, claw 40 is had a cunning being matched with the slide rail 41 of circular in cross-section
Groove 42；The slide rail 41 of this circular in cross-section is coated on part-circular periphery angle in claw upper hopper chute 41 in obtuse angle.Cross section is in circle
The slide rail 41 of shape ensure that slide rail is smooth with what chute coordinated, meanwhile, is also easy to process, the cooperation contact portion of slide rail and slide rail
Circumferential angle when being more than 90 degree, anticreep performance more preferably, also can play carrying effect, most of weight of protective door can be by cunning
Rail bearing carries.
On the basis of above-described embodiment:
As shown in Figure 10, the slide rail 41 of circular in cross-section have an installation portion 43, installation portion 43 and this slide rail 41 1
Body is formed, and integral part of overall cross section is in b shape；It is detachably connected between installation portion 43 and protective frame 3；Claw 40 with anti-
Shield door 2 top side detachable connects.Push-and-pull protective door repeatedly, the abrasion of position that slide rail is contacted with chute is very fast, said structure in order to
It is conveniently replaceable slide rail and claw, additionally, slide rail is made using high-abrasive material with claw card.
On the basis of above-described embodiment:
In order to reduce the friction between protective door bottom and protective frame so that the push-and-pull operation of protective door is more smooth,
Protective door 2 bottom is provided with multiple pulleys 44, and the wheel rim bottom of pulley 44 can roll in the chute 41 on protective frame.
As shown in figs 6-12, the embodiment of the present invention also provides a kind of skirtboard, and panel length direction sets along car length direction
Put, skirtboard cross section is curved, skirtboard 1 includes upper skirt 11, the middle part skirtboard 12 being fixedly connected sequentially in the height direction
With bottom skirtboard 13, wherein middle part skirtboard 12 be provided with multiple windows, each window is equipped with the suction of above-mentioned any embodiment
Dirty mouth protective door device, the protective frame 3 in pollution-absorbing nozzle protective door device is arranged on window.Skirtboard can adopt the weldering of piecemeal group, convenient
Integrally-built adjustment.
As shown in Figure 11, Figure 12, upper skirt 11, middle part skirtboard 12 and bottom skirtboard 13 are section bar, first, top type
Material (i.e. upper skirt 11) is divided into three die cavities, and surrounding's gusset thickness of central cavity substantially increases, and is used for installing lock at this, because
This makes up and enhances the installation strength of skirtboard herein；Secondly middle part section bar (i.e. middle part skirtboard 12) top has one to inner side overhanging
Upper protuberance 42a, upper protuberance 42a designs an installed surface downward, for above by installation portion 43 fixation
Slide rail 41, middle part section bar two ends are separately designed connected structure, are easy to be entered with upper profile and lower profile (i.e. bottom skirtboard)
Row positioning and welding.The middle part of middle part section bar no longer adopts cavity structure, and the thickness of middle part skirtboard is reduced by original 20mm
To 6mm, it is effectively increased the spacing of skirtboard Internal periphery and toilet waste collector and its sewage mouth, increased more activities to protective door
Space.Inside lower profile, the integrated one lower protuberance 41a inwardly overhanging, lower protuberance 41a opens up chute 41, is located at down
The chute 41 of side is integrated in lower profile, decreases chute welding or the deviation installed, increased the intensity of glide path.
After skirtboard main body adopts above-mentioned three block-type material welding, it is machined out, main inclusion protective door perforate, apron board lock
Installing hole and glide path osculum etc..Afterwards by gusset, lock, corner brace welding, gusset quantity determines according to panel length, mainly
Consider skirtboard intensity；A number of damper element is fastened by bolts on gusset and corner brace, damper element can right and wrong
Metalwork, similar nylon, rubber or resin etc., damping element plays damping and the effect of damping, is arranged on subtracting in corner brace
Shake element damping spacing when protective door is closed, the damping element being arranged on gusset damping limiting when protective door is opened
Position；Afterwards install sliding way, by fastening bolt, be fixed in skirtboard upper profile, protective door primary by upper and lower two
Individual slideway is spacing, and sliding way is connected with axle sleeve, and glide path lower sheave connects；First two axle sleeves are slided into from sliding way end,
Axle sleeve is provided with screwed hole with the parcel area of slideway more than 75%.5 axle sleeves, and protection door-plate is provided with installing hole, makes after coupling
Fastened with bolt and spring washer piece, thus completing the connection of protective door and sliding way.First axle is transmitted through pulley, pulley should
For non-metallic material, it is to avoid the lower profile of abrasion slideway, using jump ring, axle and pulley are fixed, integrally put into glide path
In, then fastened with 7 protection door boards by nut, thus completing the connection of protective door and glide path.Here upper cunning
Road includes referring to slide rail 41, installation portion 43, claw 40 and chute 41 above, and glide path includes pulley 44 and underlying
Chute 41.
Upper and lower slideway is installed after fixing unanimously, and protective door can slide laterally along up and down slideway；Now only need to be
On protection door board, a locking mechanism is set, carries out spacing fastening with skirtboard when closed.Only need to limit during locking to prevent
The transverse shifting of shield door, typically adopts Strain lock, the operation principle of protective door i.e., by protection door board in skirtboard
Suitable exercise on up and down slideway, ingenious utilization narrow space, meet soil pick-up blowdown operation requirement.Skirtboard open-type passes through rotation
Open Strain lock (Strain lock does not allow to open, manual operation) using instrument, after locking mechanism is opened, protection door board can be along
Up and down slideway slides, and door-plate is attended class and arranged attacker or handle, facilitates operator's push-and-pull door-plate；When door-plate is all turned on back door
The damper element of setting on rear side gusset is withstood by plate；Soil pick-up operation now can be carried out；After the completion of soil pick-up operation, by attacker
Protective door is retracted by OR gate handle, and after door-plate completely closes, door-plate is withstood by the damping element in corner brace on skirtboard, now will lock
Close mechanism to screw, realize thoroughly effective locking of door-plate, the pure manual operations of whole process.
Upper skirt and bottom skirtboard are constituted by hollow plate；Middle part skirtboard is made up of solid slab.Ensure middle part skirt
Under conditions of plate intensity, reduce the thickness of middle part skirtboard, be effectively increased skirtboard Internal periphery and toilet waste collector and its sewage mouth
Spacing, increased more activity spaces to protective door.
As shown in Figure 8, Figure 9, middle part skirtboard is provided with multiple locking devices, the quantity of locking device and pollution-absorbing nozzle protective door
The quantity of device is equal: locking device includes lock hook and lock 53；Lock one end is fixed on the medial surface of protective door 2, another
End outwards overhangs；The hook part 51 of lock hook and lock 53 coordinate, and lock hook is hinged on the skirtboard of middle part away from one end 52 of hook part.Protection
The unlatching of door and locking, without using any instrument, decrease human and material resources configuration, convenient and swift.
As shown in figure 13, the present invention also provides a kind of EMUs, the more piece compartment connecting including head and the tail, and each compartment is at least
Including car body, vehicle bottom has vehicle body bottom frame 20, is respectively provided with skirtboard, skirt along length over ends of body direction both sides below vehicle body bottom frame 20
Plate is the skirtboard 1 of above-mentioned any embodiment；It is horizontally arranged with multiple defecate collections along width of the carbody direction in space between two skirtboards 1
Device 10；Each toilet waste collector 10 two ends are respectively provided with a pollution-absorbing nozzle 1a near the position of skirtboard 1；Every on middle part skirtboard 12 in skirtboard 1
One window all corresponds to a pollution-absorbing nozzle 1a.
The EMUs that the present invention provides, in opening, the width of outline will not increase protective door, it is to avoid permutation car
Beyond gauge, the situation of damage of colliding with thus without the protective door occurring to lead to because of protective door unlatching during train operation, thoroughly disappear
Except the potential safety hazard collided with platform before；Protective door is located inside skirtboard, even if locking device lost efficacy, also will not fall off car
External side；All parts of protective door all can individually easily be changed, and need not change whole protective door because of Small loss, save into
This.Protective door adopts aluminum alloy material it is ensured that light-weight design principle；Skirtboard 1 is by upper skirt 11, middle part skirtboard 12 and bottom
13 groups of welderings of skirtboard form, and outline can design according to train outline, meet overall aerodynamic drag reduction and require.Protective door
Opening and closing state intuitively can be recognized, be prevented effectively from the confirmation to the cover plate whether state of locking, eliminate and ignore this step
And the hidden danger causing.Inside above-mentioned skirtboard, inside protective door, inside protective frame, refer to interior compartment side, i.e. skirtboard indent
Side.
Finally it is noted that various embodiments above, only in order to technical scheme to be described, is not intended to limit；To the greatest extent
Pipe has been described in detail to the present invention with reference to foregoing embodiments, it will be understood by those within the art that: its according to
So the technical scheme described in foregoing embodiments can be modified, or wherein some or all of technical characteristic is entered
Row equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (6)
1. a kind of pollution-absorbing nozzle protective door device, including the protective frame for being arranged on skirtboard window be used for blocking described protection
The protective door of frame upper shed；It is characterized in that:
Described protective door is located at described protective frame one side, and passes through two between described protective door and described protective frame and parallel set
The chute put and two slide rails are slidably matched；
Each described slide rail is each provided in a described chute；
Wherein, described protective door and all curved panel shape of described protective frame；
Described protective door is located on the one side of described protective frame indent；
One slide rail and a chute are had on the one side of described protective frame indent, described slide rail is parallel with described chute；
One slide rail being coordinated with described chute and a chute being coordinated with described slide rail are had on wherein said protective door；
It is arranged on the circular in cross-section of the slide rail on described protective frame；
One claw is had on described protective door, described claw is had a cunning being matched with the slide rail of described circular in cross-section
Groove；
The slide rail of this circular in cross-section is coated on the angle of circumference of the part in described claw upper hopper chute in obtuse angle；
One installation portion is had on the slide rail of described circular in cross-section, described installation portion is integrally formed with this slide rail, and a bodily form
The overall cross section becoming is in b shape；
It is detachably connected between described installation portion and described protective frame；
Described claw is connected with described protective door top side detachable.
2. pollution-absorbing nozzle protective door device according to claim 1 it is characterised in that:
Described protective door bottom is provided with multiple pulleys, and the wheel rim bottom of described pulley can be in the chute on described protective frame
Roll.
3. a kind of skirtboard, length direction along car length direction, cross section curved it is characterised in that:
Described skirtboard includes upper skirt, middle part skirtboard and the bottom skirtboard being fixedly connected sequentially, wherein institute in the height direction
State middle part skirtboard and be provided with multiple windows, each described window is equipped with the arbitrary described pollution-absorbing nozzle of the claims 1-2
Protective door device, the protective frame in described pollution-absorbing nozzle protective door device is arranged on described window.
4. skirtboard according to claim 3 it is characterised in that:
Described upper skirt and bottom skirtboard are constituted by hollow plate；
Described middle part skirtboard is made up of solid slab.
5. skirtboard according to claim 4 it is characterised in that:
Described middle part skirtboard is provided with multiple locking devices, the quantity of described locking device and described pollution-absorbing nozzle protective door device
Quantity is equal:
Described locking device includes lock hook and lock；
Described lock one end is fixed on the medial surface of described protective door, and the other end outwards overhangs；
The hook part of described lock hook and described lock cooperation, described lock hook is hinged on the skirtboard of middle part away from one end of described hook part.
6. a kind of EMUs, the more piece compartment connecting including head and the tail, each compartment at least includes car body, and described vehicle bottom has
Vehicle body bottom frame, be respectively provided with skirtboard along length over ends of body direction both sides below described vehicle body bottom frame it is characterised in that:
Described skirtboard is the arbitrary described skirtboard of the claims 3-5；
It is horizontally arranged with multiple toilet waste collectors along described width of the carbody direction in space between described two skirtboards；
Each described toilet waste collector two ends are respectively provided with a pollution-absorbing nozzle near the position of described skirtboard；
On middle part skirtboard in described skirtboard, each window all corresponds to a described pollution-absorbing nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410221384.XA CN103991457B (en) | 2014-05-23 | 2014-05-23 | Sewage suction mouth protective door device, skirting board and motor train unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410221384.XA CN103991457B (en) | 2014-05-23 | 2014-05-23 | Sewage suction mouth protective door device, skirting board and motor train unit |
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| Publication Number | Publication Date |
|---|---|
| CN103991457A CN103991457A (en) | 2014-08-20 |
| CN103991457B true CN103991457B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410221384.XA Active CN103991457B (en) | 2014-05-23 | 2014-05-23 | Sewage suction mouth protective door device, skirting board and motor train unit |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104925072A (en) * | 2015-06-19 | 2015-09-23 | 南车青岛四方机车车辆股份有限公司 | Installation structure for equipment compartment skirt plate |
| CN104908764A (en) * | 2015-06-23 | 2015-09-16 | 南车青岛四方机车车辆股份有限公司 | Rail train and device cabin thereof |
| CN105216818B (en) * | 2015-09-22 | 2018-09-11 | 中车唐山机车车辆有限公司 | Sewage draining exit skirtboard and train |
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| JPH1046903A (en) * | 1996-07-31 | 1998-02-17 | Natl House Ind Co Ltd | Sliding door |
| CN201896550U (en) * | 2010-12-16 | 2011-07-13 | 南京康尼机电股份有限公司 | Sliding door for manual plug of water injection port |
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| CN103991457A (en) | 2014-08-20 |
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Address after: 063035 Hebei province Fengrun District Tangshan City Road No. 3 factory Applicant after: CRRC TANGSHAN CO., LTD. Address before: 063035 Hebei province Fengrun District Tangshan City Road No. 3 factory Applicant before: Tangshan Railway Carriage Co., Ltd. |
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