CN104354705A - Ballast unloading device - Google Patents
Ballast unloading device Download PDFInfo
- Publication number
- CN104354705A CN104354705A CN201410617654.9A CN201410617654A CN104354705A CN 104354705 A CN104354705 A CN 104354705A CN 201410617654 A CN201410617654 A CN 201410617654A CN 104354705 A CN104354705 A CN 104354705A
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- CN
- China
- Prior art keywords
- stone
- coal
- unload
- tiny fragments
- unloading
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D7/00—Hopper cars
- B61D7/06—Hopper cars with openings capable of discharging both between and outside the wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D7/00—Hopper cars
- B61D7/14—Adaptations of hopper elements to railways
- B61D7/16—Closure elements for discharge openings
- B61D7/18—Closure elements for discharge openings pivoted
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
Abstract
The invention discloses a ballast unloading device which comprises a ballast bearing part with ballast unloading openings, and ballast unloading doors which are capable of rotating relative to the ballast bearing part, wherein an inner unloading channel and an outer unloading channel are formed in each ballast unloading door; each ballast unloading door further comprises a stop part positioned between each inner unloading channel and the corresponding outer unloading channel; by the rotation of the ballast unloading doors relative to the ballast bearing part, the ballast unloading doors can be switched among three states that the inner unloading channels are opposite to the ballast unloading openings, the outer unloading channels are opposite to the ballast unloading openings and the stop parts are arranged at the ballast unloading openings.
Description
Technical field
The present invention relates to rail transportations technical field, particularly one unloads tiny fragments of stone, coal, etc. device.
Background technology
Railway ballast car is the engineering truck for the transport of the railway stone tiny fragments of stone, coal, etc. and newly built railway circuit and the existing railway circuit maintenance paving tiny fragments of stone, coal, etc., specializes in the newly-built track laying stone tiny fragments of stone, coal, etc. and existing railway line maintenance use.In order to improve the conveying efficiency of railway, track laying and maintenance time shorten greatly, and the existing hauling operation efficiency to railway ballast car and job safety are had higher requirement.
Existing railway ballast car, when spreading the tiny fragments of stone, coal, etc., can realize drive-through dumping, and the function of the inside and outside side dumping tiny fragments of stone, coal, etc. of tool directed orbit.Due to the newly built railway paving tiny fragments of stone, coal, etc. require simultaneously in orbit, the outer side dumping tiny fragments of stone, coal, etc., and the stone tiny fragments of stone, coal, etc. scatters evenly, and the existing line maintenance paving tiny fragments of stone, coal, etc. is in orbit, the benefit tiny fragments of stone, coal, etc. amount in outside is not quite similar.Therefore, railway ballast car all should arrange in the both sides of track and centre and unload Zha Kou, and each Zha Kou of unloading is provided with one for what unload Zha Kou described in closing unloads Zha Men.
That is, in the prior art, in order to realize unloading the tiny fragments of stone, coal, etc. inside inner orbit and to the side dumping tiny fragments of stone, coal, etc. outside track, must arrange and in described track, in the side dumping tiny fragments of stone, coal, etc., to unload Zha Kou and unload Zha Kou to the outer of the side dumping tiny fragments of stone, coal, etc. outside described track, and do not unload tiny fragments of stone, coal, etc. mouth by one can to the side dumping tiny fragments of stone, coal, etc. outside track to the side dumping tiny fragments of stone, coal, etc. in track.
Summary of the invention
The application provides one to unload tiny fragments of stone, coal, etc. device, solve to realize unloading the tiny fragments of stone, coal, etc. inside inner orbit and to the side dumping tiny fragments of stone, coal, etc. outside track, must arrange and in described track, in the side dumping tiny fragments of stone, coal, etc., to unload Zha Kou and unload Zha Kou to the outer of the side dumping tiny fragments of stone, coal, etc. outside described track, and do not unload tiny fragments of stone, coal, etc. cause for gossip by one now can to the technical matters of the side dumping tiny fragments of stone, coal, etc. outside track to the side dumping tiny fragments of stone, coal, etc. in track.
The application provides one to unload tiny fragments of stone, coal, etc. device, described in unload tiny fragments of stone, coal, etc. device and comprise: hold tiny fragments of stone, coal, etc. portion, offer and unload Zha Kou; Unload Zha Men, can rotate relative to described tiny fragments of stone, coal, etc. portion of holding, described in unload Zha Men offers in unload passage and unload passage outward, described in unload Zha Men and also comprise unload passage and described stopper section of unloading between passage outward in described; Wherein, rotated relative to described tiny fragments of stone, coal, etc. portion of holding by the described Zha Men of unloading, described in unload tiny fragments of stone, coal, etc. door can unload in described passage relative with the described Zha Kou of unloading, described outer unload passage relative with the described Zha Kou of unloading to described stopper section keep off be located at described in unload between tiny fragments of stone, coal, etc. mouth three kinds of states and switch.
Preferably, described in unload Zha Men comprise relative two end plates and be connected with described two end plates two flow tiny fragments of stone, coal, etc. plate, wherein, a stream tiny fragments of stone, coal, etc. plate and two end plates surround described in unload passage, another stream tiny fragments of stone, coal, etc. plate and two end plates surround and describedly unload passage outward.
Preferably, described stopper section is specially the top board of connection two stream tiny fragments of stone, coal, etc. plates.
Preferably, multiple dividing plate is arranged at intervals with between described two stream tiny fragments of stone, coal, etc. plates.
Preferably, described in unload tiny fragments of stone, coal, etc. device and also comprise abatvoix, described abatvoix is fixed on described end plate and described stream tiny fragments of stone, coal, etc. plate.
Preferably, unload tiny fragments of stone, coal, etc. device described in and also comprise the press strip be installed with on described abatvoix.
Preferably, described in unload the crank that tiny fragments of stone, coal, etc. device also comprises transmission shaft and be fixedly connected with described transmission shaft, unload described in described transmission shaft is fixed on Zha Men, when actuator starts, by drive axis described in described crank handle turns, rotate to unload Zha Men described in driving.
Preferably, described in unload tiny fragments of stone, coal, etc. device and also comprise baffle plate and bearing seat, described transmission shaft is fixed in described bearing seat, and described baffle plate is fixed on described transmission shaft, and described crank is between described bearing seat and described baffle plate.
The application's beneficial effect is as follows:
The above-mentioned tiny fragments of stone, coal, etc. device that unloads can unload Zha Kou by one, unload passage in offering and unload passage outward and comprise to unload in described passage and described outer unload stopper section between passage unload Zha Men, rotated relative to described tiny fragments of stone, coal, etc. portion of holding by the described Zha Men of unloading, unload described in making tiny fragments of stone, coal, etc. device be in unload position, unload position or position of closing the door outward, not only unload described in passing through Zha Men make described in unload tiny fragments of stone, coal, etc. cause for gossip now can to the side dumping tiny fragments of stone, coal, etc. in track but also can to the side dumping tiny fragments of stone, coal, etc. outside track, solve to realize unloading the tiny fragments of stone, coal, etc. inside inner orbit and to the side dumping tiny fragments of stone, coal, etc. outside track, must arrange and in described track, in the side dumping tiny fragments of stone, coal, etc., to unload Zha Kou and unload Zha Kou to the outer of the side dumping tiny fragments of stone, coal, etc. outside described track, and do not unload tiny fragments of stone, coal, etc. cause for gossip by one now can to the technical matters of the side dumping tiny fragments of stone, coal, etc. outside track to the side dumping tiny fragments of stone, coal, etc. in track.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described by the accompanying drawing used required in describing embodiment below, apparently, the accompanying drawing in the following describes is only some embodiments of the present invention.
Fig. 1 is the structural representation that the application one better embodiment unloads tiny fragments of stone, coal, etc. device;
Fig. 2 is the structural representation unloading Zha Men unloading tiny fragments of stone, coal, etc. device in Fig. 1;
Fig. 3 is for unloading the lateral plan of Zha Men described in Fig. 2;
Fig. 4 is the structural representation unloading another state of tiny fragments of stone, coal, etc. device in Fig. 1;
Fig. 5 is the structural representation of the another state of unloading tiny fragments of stone, coal, etc. device in Fig. 1;
Fig. 6 is the layout structure schematic diagram unloading tiny fragments of stone, coal, etc. device in Fig. 1;
Fig. 7 is the structural representation unloading Zha Men that the another embodiment of the application unloads tiny fragments of stone, coal, etc. device;
Fig. 8 is for unloading the lateral plan of Zha Men described in Fig. 7.
Detailed description of the invention
In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.
Fig. 1 is the structural representation that the application one better embodiment unloads tiny fragments of stone, coal, etc. device 100.As shown in Figure 1, described in unload tiny fragments of stone, coal, etc. device 100 and can be arranged on the car body 10 of an engineering truck, described in unload tiny fragments of stone, coal, etc. device 100 and comprise and hold tiny fragments of stone, coal, etc. portion 20 and unload tiny fragments of stone, coal, etc. door 30.
Described tiny fragments of stone, coal, etc. portion 20 of holding offers and unloads tiny fragments of stone, coal, etc. mouth 21, described in unload tiny fragments of stone, coal, etc. mouth 21 for unloading the tiny fragments of stone, coal, etc.Described number of unloading tiny fragments of stone, coal, etc. mouth 21 can be offered as required.
Consult Fig. 2 and Fig. 3 simultaneously, described in unload tiny fragments of stone, coal, etc. door 30 and be arranged on described car body 10, can rotate relative to described tiny fragments of stone, coal, etc. portion 20 of holding.Described quantity of unloading tiny fragments of stone, coal, etc. door 30 can be determined according to the described number unloading tiny fragments of stone, coal, etc. mouth 21.As described in unload tiny fragments of stone, coal, etc. mouth 21 number be 4 time, described in unload tiny fragments of stone, coal, etc. door 30 number be also set to 4; The number unloading tiny fragments of stone, coal, etc. mouth 21 is and for example 4, but one of them unload tiny fragments of stone, coal, etc. mouth 21 do not need to close or adjustment is unloaded time, described in unload tiny fragments of stone, coal, etc. door 30 quantity just can arrange 3.In the present embodiment, as shown in Figure 6, in order to guarantee to unload the tiny fragments of stone, coal, etc. in described track medial and lateral simultaneously, the described number unloading tiny fragments of stone, coal, etc. mouth 21 is set to 4, the described number unloading tiny fragments of stone, coal, etc. door 30 is also set to 4, in other embodiments, unload tiny fragments of stone, coal, etc. mouth 21 described in arrange according to the needs unloading the tiny fragments of stone, coal, etc. with the number unloading tiny fragments of stone, coal, etc. door 30.
Consult Fig. 4 and Fig. 5 simultaneously, described in unload tiny fragments of stone, coal, etc. door 30 offers in unload passage 31 and unload passage 32 outward.The described tiny fragments of stone, coal, etc. door 30 that unloads also comprises and unloads passage 31 and described outer stopper section 33 of unloading between passage 32 in described.Wherein, rotated relative to described tiny fragments of stone, coal, etc. portion 20 of holding by the described tiny fragments of stone, coal, etc. door 30 that unloads, described in unload tiny fragments of stone, coal, etc. door 30 can unload in described passage 31 with described unload tiny fragments of stone, coal, etc. mouth 21 relative, described outer unload passage 32 and described unload the relative and described stopper section 33 of tiny fragments of stone, coal, etc. mouth 21 keep off be located at described in unload between tiny fragments of stone, coal, etc. mouth 21 3 kinds of states and switch.
That is, the described tiny fragments of stone, coal, etc. door 30 that unloads has three kinds of states at least, the first state: described in unload in tiny fragments of stone, coal, etc. door 30 and unload passage 31 and described to unload tiny fragments of stone, coal, etc. mouth 21 relative, unload described in making tiny fragments of stone, coal, etc. device 100 be in unload position, described in the tiny fragments of stone, coal, etc. unloaded in tiny fragments of stone, coal, etc. device 100 can pass through in unload the guiding of passage 31 to the side dumping tiny fragments of stone, coal, etc. in described track; The second state, described in unload tiny fragments of stone, coal, etc. door 30 unload passage 32 and described to unload tiny fragments of stone, coal, etc. mouth 21 relative outward, unload tiny fragments of stone, coal, etc. device 100 described in making and be in and unload position outward, described in the tiny fragments of stone, coal, etc. unloaded in tiny fragments of stone, coal, etc. device 100 can by unloading the guiding of passage 32 to the side dumping tiny fragments of stone, coal, etc. outside described track outward; The third state, described in unload tiny fragments of stone, coal, etc. door 30 stopper section 33 gear be located at described in unload tiny fragments of stone, coal, etc. mouth 21 place, unload tiny fragments of stone, coal, etc. device 100 described in making and be in position of closing the door, described in unload tiny fragments of stone, coal, etc. device 100 stop unload the tiny fragments of stone, coal, etc.
Namely, the above-mentioned tiny fragments of stone, coal, etc. device 100 that unloads can unload tiny fragments of stone, coal, etc. mouth 21 by one, unload passage 31 in offering and unload passage 32 outward and comprise to unload in described passage 31 and described outer unload stopper section 33 between passage 32 unload tiny fragments of stone, coal, etc. door 30, rotated relative to described tiny fragments of stone, coal, etc. portion 20 of holding by the described tiny fragments of stone, coal, etc. door 30 that unloads, unload described in making tiny fragments of stone, coal, etc. device 100 be in unload position, unload position or position of closing the door outward, not only unload described in passing through tiny fragments of stone, coal, etc. door 30 make described in unload that tiny fragments of stone, coal, etc. mouth 21 realizes can to the side dumping tiny fragments of stone, coal, etc. in track but also can to the side dumping tiny fragments of stone, coal, etc. outside track, solve to realize unloading the tiny fragments of stone, coal, etc. inside inner orbit and to the side dumping tiny fragments of stone, coal, etc. outside track, must arrange and in described track, in the side dumping tiny fragments of stone, coal, etc., to unload Zha Kou and unload Zha Kou to the outer of the side dumping tiny fragments of stone, coal, etc. outside described track, and do not unload tiny fragments of stone, coal, etc. cause for gossip by one now can to the technical matters of the side dumping tiny fragments of stone, coal, etc. outside track to the side dumping tiny fragments of stone, coal, etc. in track.
Particularly, in the present embodiment, described unload tiny fragments of stone, coal, etc. door 30 comprise relative two end plates 35 and be connected with described two end plates 35 two flow tiny fragments of stone, coal, etc. plate 36, wherein, a stream tiny fragments of stone, coal, etc. plate 36 and two end plates 35 formed described in unload passage 31, another stream tiny fragments of stone, coal, etc. plate 36 and two end plates 35 are formed into and describedly unload passage 32 outward.Again, described stopper section 33 is specially the top board 37 of connection two stream tiny fragments of stone, coal, etc. plates 36, and the shape of described top board 37 is corresponding with described shape of unloading tiny fragments of stone, coal, etc. mouth 21, with keep off establish described in unload tiny fragments of stone, coal, etc. mouth 21.Again, multiple dividing plate 38 is arranged at intervals with between described two stream tiny fragments of stone, coal, etc. plates 36.
As shown in Figure 7 and Figure 8, the noise that during in order to reduce to unload the tiny fragments of stone, coal, etc., railway ballast flowing produces, described in unload tiny fragments of stone, coal, etc. device 100 and also comprise abatvoix 40, described abatvoix 40 is fixed on described end plate 35 and described stream tiny fragments of stone, coal, etc. plate 36.Particularly, in the present embodiment, described in unload tiny fragments of stone, coal, etc. device 100 and also comprise the press strip 50 be installed with on described abatvoix 40, then fix described abatvoix 40 with described press strip 50 by connecting elements such as screws.
In the present embodiment, rotate to unload tiny fragments of stone, coal, etc. door 30 described in realizing, the described crank 80 unloading tiny fragments of stone, coal, etc. device 100 and also comprise transmission shaft 60 and be fixedly connected with described transmission shaft 60, unload described in described transmission shaft 60 is fixed on tiny fragments of stone, coal, etc. door 30, when actuator starts, drive described transmission shaft 60 to rotate by described crank 80, rotate to unload tiny fragments of stone, coal, etc. door 30 described in driving.
In addition, the described tiny fragments of stone, coal, etc. device 100 that unloads also comprises baffle plate 70 and bearing seat 90, described transmission shaft 60 is fixed in described bearing seat 90, described baffle plate 70 is fixed on described transmission shaft 60, described crank 80, between described bearing seat 90 and described baffle plate 70, prevents described crank 80 to be separated with described transmission shaft 60.
The above-mentioned tiny fragments of stone, coal, etc. device 100 that unloads can unload tiny fragments of stone, coal, etc. mouth 21 by one, unload passage 31 in offering and unload passage 32 outward and comprise to unload in described passage 31 and described outer unload stopper section 33 between passage 32 unload tiny fragments of stone, coal, etc. door 30, rotated relative to described tiny fragments of stone, coal, etc. portion 20 of holding by the described tiny fragments of stone, coal, etc. door 30 that unloads, unload described in making tiny fragments of stone, coal, etc. device 100 be in unload position, unload position or position of closing the door outward, not only unload described in passing through tiny fragments of stone, coal, etc. door 30 make described in unload that tiny fragments of stone, coal, etc. mouth 21 realizes can to the side dumping tiny fragments of stone, coal, etc. in track but also can to the side dumping tiny fragments of stone, coal, etc. outside track, solve to realize unloading the tiny fragments of stone, coal, etc. inside inner orbit and to the side dumping tiny fragments of stone, coal, etc. outside track, must arrange and in described track, in the side dumping tiny fragments of stone, coal, etc., to unload Zha Kou and unload Zha Kou to the outer of the side dumping tiny fragments of stone, coal, etc. outside described track, and do not unload tiny fragments of stone, coal, etc. cause for gossip by one now can to the technical matters of the side dumping tiny fragments of stone, coal, etc. outside track to the side dumping tiny fragments of stone, coal, etc. in track.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (8)
1. unload a tiny fragments of stone, coal, etc. device, it is characterized in that, described in unload tiny fragments of stone, coal, etc. device and comprise:
Hold tiny fragments of stone, coal, etc. portion, offer and unload Zha Kou;
Unload Zha Men, can rotate relative to described tiny fragments of stone, coal, etc. portion of holding, described in unload Zha Men offers in unload passage and unload passage outward, described in unload Zha Men and also comprise unload passage and described stopper section of unloading between passage outward in described;
Wherein, rotated relative to described tiny fragments of stone, coal, etc. portion of holding by the described Zha Men of unloading, described in unload tiny fragments of stone, coal, etc. door can unload in described passage relative with the described Zha Kou of unloading, described outer unload passage relative with the described Zha Kou of unloading to described stopper section keep off be located at described in unload between tiny fragments of stone, coal, etc. mouth three kinds of states and switch.
2. unload tiny fragments of stone, coal, etc. device as claimed in claim 1, it is characterized in that, the described Zha Men of unloading comprise relative two end plates and be connected with described two end plates two flow tiny fragments of stone, coal, etc. plate, one of them stream tiny fragments of stone, coal, etc. plate and two end plates formed described in unload passage, another stream tiny fragments of stone, coal, etc. plate and two end plates are formed and describedly unload passage outward.
3. unload tiny fragments of stone, coal, etc. device as claimed in claim 2, it is characterized in that, described stopper section is specially the top board of connection two stream tiny fragments of stone, coal, etc. plates.
4. unload tiny fragments of stone, coal, etc. device as claimed in claim 2, it is characterized in that, between described two stream tiny fragments of stone, coal, etc. plates, be arranged at intervals with multiple dividing plate.
5. unload tiny fragments of stone, coal, etc. device as claimed in claim 2, it is characterized in that, described in unload tiny fragments of stone, coal, etc. device and also comprise abatvoix, described abatvoix is fixed on described end plate and described stream tiny fragments of stone, coal, etc. plate.
6. unload tiny fragments of stone, coal, etc. device as claimed in claim 5, it is characterized in that, described in unload tiny fragments of stone, coal, etc. device and also comprise the press strip be installed with on described abatvoix.
7. unload tiny fragments of stone, coal, etc. device as claimed in claim 1, it is characterized in that, the described crank unloading tiny fragments of stone, coal, etc. device and also comprise transmission shaft and be fixedly connected with described transmission shaft, unload described in described transmission shaft is fixed on Zha Men, when actuator starts, by drive axis described in described crank handle turns, described in driving, unload Zha Men rotation.
8. unload tiny fragments of stone, coal, etc. device as claimed in claim 7, it is characterized in that, described in unload tiny fragments of stone, coal, etc. device and also comprise baffle plate and bearing seat, described transmission shaft is fixed in described bearing seat, described baffle plate is fixed on described transmission shaft, and described crank is between described bearing seat and described baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410617654.9A CN104354705A (en) | 2014-11-03 | 2014-11-03 | Ballast unloading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410617654.9A CN104354705A (en) | 2014-11-03 | 2014-11-03 | Ballast unloading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104354705A true CN104354705A (en) | 2015-02-18 |
Family
ID=52522057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410617654.9A Pending CN104354705A (en) | 2014-11-03 | 2014-11-03 | Ballast unloading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104354705A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107054387A (en) * | 2017-02-20 | 2017-08-18 | 中车山东机车车辆有限公司 | A kind of stone tiny fragments of stone, coal, etc. flow control apparatus, railway stone tiny fragments of stone, coal, etc. hopper wagon and application |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1800832A (en) * | 1928-11-15 | 1931-04-14 | Rodger Ballast Car Co | Ballast car |
| US1977308A (en) * | 1932-08-25 | 1934-10-16 | Rodger Bailast Car Company | Ballast car |
| US5417165A (en) * | 1991-07-03 | 1995-05-23 | Loram Maintenance Of Way, Inc. | Self-clearing discharge door assembly for railroad ballast hopper car |
| CN203047267U (en) * | 2012-12-22 | 2013-07-10 | 太原轨道交通装备有限责任公司 | Railway stone frantic jumble funnel vehicle bottom door opening and closing mechanism |
| CN204161371U (en) * | 2014-11-03 | 2015-02-18 | 南车长江车辆有限公司 | One unloads tiny fragments of stone, coal, etc. device |
-
2014
- 2014-11-03 CN CN201410617654.9A patent/CN104354705A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1800832A (en) * | 1928-11-15 | 1931-04-14 | Rodger Ballast Car Co | Ballast car |
| US1977308A (en) * | 1932-08-25 | 1934-10-16 | Rodger Bailast Car Company | Ballast car |
| US5417165A (en) * | 1991-07-03 | 1995-05-23 | Loram Maintenance Of Way, Inc. | Self-clearing discharge door assembly for railroad ballast hopper car |
| CN203047267U (en) * | 2012-12-22 | 2013-07-10 | 太原轨道交通装备有限责任公司 | Railway stone frantic jumble funnel vehicle bottom door opening and closing mechanism |
| CN204161371U (en) * | 2014-11-03 | 2015-02-18 | 南车长江车辆有限公司 | One unloads tiny fragments of stone, coal, etc. device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107054387A (en) * | 2017-02-20 | 2017-08-18 | 中车山东机车车辆有限公司 | A kind of stone tiny fragments of stone, coal, etc. flow control apparatus, railway stone tiny fragments of stone, coal, etc. hopper wagon and application |
| CN107054387B (en) * | 2017-02-20 | 2019-08-20 | 中车山东机车车辆有限公司 | A kind of stone tiny fragments of stone, coal, etc. flow control apparatus, railway stone tiny fragments of stone, coal, etc. hopper wagon and application |
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Application publication date: 20150218 |