CN105620498A - Touch-type bottom door opening and closing mechanism - Google Patents
Touch-type bottom door opening and closing mechanism Download PDFInfo
- Publication number
- CN105620498A CN105620498A CN201511002429.5A CN201511002429A CN105620498A CN 105620498 A CN105620498 A CN 105620498A CN 201511002429 A CN201511002429 A CN 201511002429A CN 105620498 A CN105620498 A CN 105620498A
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- Prior art keywords
- drive shaft
- longitudinal drive
- men
- bottom door
- touch
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Classifications
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- 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
- B61D7/24—Opening or closing means
- B61D7/30—Opening or closing means controlled by means external to cars
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The invention relates to the technical field of railway vehicles, in particular to a touch-type bottom door opening and closing mechanism. The touch-type bottom door opening and closing mechanism comprises a touch arm mechanism, a transverse transmission shaft mechanism, a gearbox, a longitudinal transmission shaft mechanism, a first bottom door mechanism, a second bottom door mechanism, a first connection rod mechanism, a second connection rod mechanism, a transverse transmission shaft lifting base, a longitudinal transmission shaft lifting base and a gearbox lifting base; the transverse transmission shaft mechanism is fixedly connected with the touch arm mechanism; the input shaft of the gearbox is connected with the transverse transmission shaft mechanism; the output shaft of the gearbox is connected with the longitudinal transmission shaft mechanism; the first bottom door mechanism and the second bottom door mechanism are separately arranged on two sides of the longitudinal transmission shaft mechanism; the first bottom door mechanism is hinged to the longitudinal transmission shaft mechanism through the first connection rod mechanism; and the second bottom door mechanism is hinged to the longitudinal transmission shaft mechanism through the second connection rod mechanism. The touch-type bottom door opening and closing mechanism disclosed by the invention can be applicable to requirements of longitudinal opening and closing of a bottom door.
Description
Technical field
The present invention relates to rail vehicle technical field, particularly relate to a kind of touch-type bottom door opening and closing mechanism.
Background technology
At present, railway hopper car control bottom door opening and closing adopts pneumatic and hand gear mostly, needs manual operation hand gear or pneumatic device switch bottom door, just can complete the unloading of single unit vehicle goods during unloading. Traditional Pneumatic-control type bottom door opening and closing mechanism needs increase a set of wind Ore-controlling Role and drive wind cylinder, its structure and complicated operation, and level of automation is not high, and operation cost of labor is higher. Adopting machinery touch-type bottom door opening and closing mechanism, its unloading only needs to arrange on ground corresponding ground touching device and vehicle just can be made to reach while the function unloaded, substantially increases the unloading efficiency of end door.
Existing machinery touch-type bottom door opening and closing mechanism only can be applied to the end door of horizontal opening and closing, and, the unloading hole in major part power plant and coal works is the end door of longitudinal opening and closing, and the end door of longitudinal opening and closing cannot be controlled by existing machinery touch-type bottom door opening and closing mechanism.
Summary of the invention
The embodiment of the present invention provides a kind of touch-type bottom door opening and closing mechanism, solve in prior art the technical problem that the end door of longitudinal opening and closing cannot be controlled by machinery touch-type bottom door opening and closing mechanism, it is achieved that touch-type bottom door opening and closing mechanism can adapt to the demand of the longitudinal opening and closing of end door.
Embodiments provide a kind of touch-type bottom door opening and closing mechanism, comprise touching arm mechanism, horizontal driving shaft mechanism, wheel casing, longitudinal drive shaft mechanism, the first Di Men mechanism, the 2nd Di Men mechanism, first connecting rod mechanism, second connecting rod mechanism, horizontal transmission shaft hangs seat, longitudinal drive shaft hangs seat and gear box bracket;
Described horizontal driving shaft mechanism is fixedly connected with described touching arm mechanism;
The input shaft of described wheel casing is connected with described horizontal driving shaft mechanism;
The output shaft of described wheel casing is connected with described longitudinal drive shaft mechanism;
Described first Di Men mechanism and described 2nd Di Men mechanism are arranged at the both sides of described longitudinal drive shaft mechanism respectively, and, described first Di Men mechanism is hinged by first connecting rod mechanism and described longitudinal drive shaft mechanism, and described 2nd Di Men mechanism is hinged by described second connecting rod mechanism and described longitudinal drive shaft mechanism;
Described horizontal transmission shaft hang seat and described horizontal driving shaft mechanism hinged;
Described longitudinal drive shaft hang seat and described longitudinal drive shaft mechanism hinged;
Described gear box bracket is fixedly connected with described wheel casing.
Preferably, elasticity gear and preloading spring is also comprised;
Described first Di Men mechanism and described 2nd Di Men mechanism are provided with described elasticity gear and described preloading spring, thus, described elasticity gear and described preloading spring can match with the vehicle body bottom frame corresponding to described touch-type bottom door opening and closing mechanism.
Preferably, secondary latch locking mechanism is also comprised;
Described secondary latch locking mechanism is arranged on described touching arm mechanism.
Preferably, the two ends of described longitudinal drive shaft mechanism arrange a described longitudinal drive shaft respectively and hang seat.
Preferably, described wheel casing comprises a shaft coupling, and described input shaft is connected with described horizontal driving shaft mechanism by described shaft coupling.
Preferably, described output shaft is connected with described longitudinal drive shaft mechanism by inner hexagonal hole.
Preferably, described longitudinal drive shaft mechanism comprises longitudinal drive shaft and duplex lever;
Described longitudinal drive shaft is connected by key with described duplex lever.
Preferably, described first Di Men mechanism is identical with the structure of described 2nd Di Men mechanism, and, described first Di Men mechanism and described 2nd Di Men mechanism are symmetricly set in the both sides of described longitudinal drive shaft mechanism.
Preferably, one end and the described first Di Men mechanism of described first connecting rod mechanism are hinged, and the other end and the described longitudinal drive shaft mechanism of described first connecting rod mechanism are hinged.
Preferably, one end and the described 2nd Di Men mechanism of described second connecting rod mechanism are hinged, and the other end and the described longitudinal drive shaft mechanism of described second connecting rod mechanism are hinged.
One or more technical schemes in the embodiment of the present invention, at least have following technique effect or advantage:
In this application, touching arm mechanism is touched by the inclined-plane touching platform machinery arranged with ground, touching arm mechanism is made to drive horizontal driving shaft mechanism to rotate, then through being arranged on gearbox drive commutation so that longitudinal drive shaft mechanism rotates, the rotation of Di Men mechanism is then driven by first connecting rod mechanism and second connecting rod mechanism, thus, touch-type bottom door opening and closing mechanism can adapt to the demand of the longitudinal opening and closing of end door, and not only level of automation height, unloading efficiency are fast, and easy to operate, safe and reliable.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, it is briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
Fig. 1 is the stereographic map of a kind of touch-type bottom door opening and closing mechanism in the embodiment of the present invention;
Fig. 2 is the side-view of a kind of touch-type bottom door opening and closing mechanism in the embodiment of the present invention;
Fig. 3 is the local structure sectional view of longitudinal drive shaft mechanism in the embodiment of the present invention;
Fig. 4 is the schematic diagram of the first Di Men mechanism in the embodiment of the present invention;
Fig. 5 is the sectional view of embodiment of the present invention middle gear case.
Wherein, 1 is touching arm mechanism, 2 is secondary latch locking mechanism, 3 is that horizontal transmission shaft hangs seat, 4 is horizontal driving shaft mechanism, 5 is wheel casing, 51 is conelet gear, 52 is big cone gear, 53 is location sleeve, 54 is end cap, 55 is coupling shaft, 56 is casing, 6 is gear box bracket, 7 is longitudinal drive shaft mechanism, 71 is longitudinal drive shaft, 72 is duplex lever, 8 hang seat for longitudinal drive shaft, 91 is first connecting rod mechanism, 92 is second connecting rod mechanism, 101 is the first Di Men mechanism, 1011 is end column, 1012 is end door bearing pin, 1013 is spring baffle plate, 1014 is cross band, 1015 is door-plate, 1016 is column, 1017 is folding seat, 1018 is joint pin, 102 is the 2nd Di Men mechanism, 11 is elasticity gear, 12 is preloading spring, 13 is shaft coupling, 14 is key, 15 is underframe mechanism.
Embodiment
For solving the technical problem that in prior art, the end door of longitudinal opening and closing cannot be controlled by machinery touch-type bottom door opening and closing mechanism, the embodiment of the present invention provides a kind of touch-type bottom door opening and closing mechanism, touching arm mechanism is utilized to be touched by the inclined-plane touching platform machinery arranged with ground, touching arm mechanism is made to drive horizontal driving shaft mechanism to rotate, then through being arranged on gearbox drive commutation, longitudinal drive shaft mechanism is rotated, then the rotation of Di Men mechanism is driven by first connecting rod mechanism and second connecting rod mechanism, thus, touch-type bottom door opening and closing mechanism can adapt to the demand of the longitudinal opening and closing of end door.
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments. Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of touch-type bottom door opening and closing mechanism, as depicted in figs. 1 and 2, described touch-type bottom door opening and closing mechanism comprises touching arm mechanism 1, horizontal driving shaft mechanism 4, wheel casing 5, Di Men mechanism 101 of longitudinal drive shaft mechanism 7, first, the 2nd Di Men mechanism 102, first connecting rod mechanism 91, second connecting rod mechanism 92, horizontal transmission shaft hangs seat 3, longitudinal drive shaft hangs seat 8 and gear box bracket 6.
In this application, touching arm mechanism 1 is touched by the inclined-plane touching platform machinery arranged with ground, touching arm mechanism 1 is made to drive horizontal driving shaft mechanism 4 to rotate, then through being arranged on wheel casing 5 transmission commutation, longitudinal drive shaft mechanism 7 is rotated, then driven the first Di Men mechanism 101 and the rotation of the 2nd Di Men mechanism 102 by first connecting rod mechanism 91 and second connecting rod mechanism 92, thus realize the first Di Men mechanism 101 and the opening and closing of the 2nd Di Men mechanism 102.
In a kind of preferred embodiment, secondary latch locking mechanism 2 is arranged on touching arm mechanism 1, and secondary latch locking mechanism 2 is for preventing the mistake enabling of end door. Horizontal driving shaft mechanism 4 is fixedly connected with touching arm mechanism 1, and in a kind of enforcement mode specifically, horizontal driving shaft mechanism 4 is fixedly connected with by rivet with touching arm mechanism 1. The input shaft of wheel casing 5 is connected with horizontal driving shaft mechanism 4, and in a preferred embodiment, wheel casing 5 comprises a shaft coupling 13, and the input shaft of wheel casing 5 is connected with horizontal driving shaft mechanism 4 by shaft coupling 13. The output shaft of wheel casing 5 is connected with longitudinal drive shaft mechanism 7, and in a preferred embodiment, the output shaft of wheel casing 5 is connected with longitudinal drive shaft mechanism 7 by inner hexagonal hole. Further, as shown in Figure 3, longitudinal drive shaft mechanism 7 comprises longitudinal drive shaft 71 and duplex lever 72, and longitudinal drive shaft 71 is connected by key 14 with duplex lever 72. First Di Men mechanism 101 and described 2nd Di Men mechanism 102 are arranged at the both sides of longitudinal drive shaft mechanism 7 respectively, and, first Di Men mechanism 101 is hinged by first connecting rod mechanism 91 and longitudinal drive shaft mechanism 7, and the 2nd Di Men mechanism 102 is hinged by second connecting rod mechanism 92 and longitudinal drive shaft mechanism 7. Concrete, one end and the first Di Men mechanism 101 of first connecting rod mechanism 91 are hinged, and the other end and the longitudinal drive shaft mechanism 7 of first connecting rod mechanism 91 are hinged. One end and the 2nd Di Men mechanism 102 of second connecting rod mechanism 92 are hinged, and the other end and the longitudinal drive shaft mechanism 7 of second connecting rod mechanism 92 are hinged.
In a kind of preferred embodiment, the first Di Men mechanism 101 and the 2nd Di Men mechanism 102 are provided with elasticity gear 11 and preloading spring 12, thus, elasticity gear 11 and preloading spring 12 can match with the vehicle body bottom frame corresponding to touch-type bottom door opening and closing mechanism. Elasticity gear 11 can provide shock absorption for end door opening procedure, the possibility that when preloading spring 12 can reduce car body zero load, bottom door opening and closing mechanism opens by mistake.
Further, to hang seat 3 hinged with horizontal driving shaft mechanism 4 for horizontal transmission shaft. It is hinged with longitudinal drive shaft mechanism 7 that longitudinal drive shaft hangs seat 8. Gear box bracket 6 is fixedly connected with wheel casing 5. Wherein, a longitudinal drive shaft can be set respectively at the two ends of longitudinal drive shaft mechanism 7 and hang seat 8.
In this application, the first Di Men mechanism 101 is identical with the structure of the 2nd Di Men mechanism 102, and, the first Di Men mechanism 101 and the 2nd Di Men mechanism 102 are symmetricly set in the both sides of longitudinal drive shaft mechanism 7. in a kind of enforcement mode specifically, for the first Di Men mechanism 101, as shown in Figure 4, first Di Men mechanism 101 comprises end column 1011, end door bearing pin 1012, spring baffle plate 1013, cross band 1014, door-plate 1015, column 1016, folding seat 1017 and joint pin 1018, first Di Men mechanism 101 is connected with the underframe mechanism 15 of vehicle by joint pin 1018, one end and the end door bearing pin 1012 of first connecting rod mechanism 91 are hinged, the other end of first connecting rod mechanism 91 and one end of duplex lever 72 are hinged, with reason, 2nd Di Men mechanism 102 symmetry is connected to another side relative with the first Di Men mechanism 101.
In addition, in a kind of embodiment, as shown in Figure 5, wheel casing 5 also comprises conelet gear 51, big cone gear 52, location sleeve 53, end cap 54, coupling shaft 55 and casing 56. Conelet gear 51 is engaged with big cone gear 52 and is arranged on casing 56 inside by coupling shaft 55.
In this application, touching arm mechanism 1 is touched by the inclined-plane touching platform machinery arranged with ground, touching arm mechanism 1 is made to drive horizontal driving shaft mechanism 4 to rotate, then through being arranged on the conelet gear 51 of wheel casing 5 inside and big cone gear 52, transmission is commutated, longitudinal drive shaft mechanism 7 is rotated, then driven the first Di Men mechanism 101 and the rotation of the 2nd Di Men mechanism 102 by first connecting rod mechanism 91 and second connecting rod mechanism 92 respectively, thus realize the opening and closing between the first Di Men mechanism 101 and the 2nd Di Men mechanism 102.
Technical scheme in above-mentioned the embodiment of the present application, at least has following technique effect or advantage:
In this application, touching arm mechanism is touched by the inclined-plane touching platform machinery arranged with ground, touching arm mechanism is made to drive horizontal driving shaft mechanism to rotate, then through being arranged on gearbox drive commutation so that longitudinal drive shaft mechanism rotates, the rotation of Di Men mechanism is then driven by first connecting rod mechanism and second connecting rod mechanism, thus, touch-type bottom door opening and closing mechanism can adapt to the demand of the longitudinal opening and closing of end door, and not only level of automation height, unloading efficiency are fast, and easy to operate, safe and reliable.
Although having described the preferred embodiments of the present invention, but those skilled in the art once the substantially creative concept of cicada, then these embodiments can be made other change and amendment. Therefore, it is intended that the appended claims shall be construed comprise preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, the present invention can be carried out various change and modification and not depart from the spirit and scope of the present invention by the technician of this area. 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 also is intended to comprise these change and modification.
Claims (10)
1. a touch-type bottom door opening and closing mechanism, it is characterized in that, comprise touching arm mechanism, horizontal driving shaft mechanism, wheel casing, longitudinal drive shaft mechanism, the first Di Men mechanism, the 2nd Di Men mechanism, first connecting rod mechanism, second connecting rod mechanism, horizontal transmission shaft hangs seat, longitudinal drive shaft hangs seat and gear box bracket;
Described horizontal driving shaft mechanism is fixedly connected with described touching arm mechanism;
The input shaft of described wheel casing is connected with described horizontal driving shaft mechanism;
The output shaft of described wheel casing is connected with described longitudinal drive shaft mechanism;
Described first Di Men mechanism and described 2nd Di Men mechanism are arranged at the both sides of described longitudinal drive shaft mechanism respectively, and, described first Di Men mechanism is hinged by first connecting rod mechanism and described longitudinal drive shaft mechanism, and described 2nd Di Men mechanism is hinged by described second connecting rod mechanism and described longitudinal drive shaft mechanism;
Described horizontal transmission shaft hang seat and described horizontal driving shaft mechanism hinged;
Described longitudinal drive shaft hang seat and described longitudinal drive shaft mechanism hinged;
Described gear box bracket is fixedly connected with described wheel casing.
2. as claimed in claim 1 touch-type bottom door opening and closing mechanism, it is characterised in that, also comprise elasticity gear and preloading spring;
Described first Di Men mechanism and described 2nd Di Men mechanism are provided with described elasticity gear and described preloading spring, thus, described elasticity gear and described preloading spring can match with the vehicle body bottom frame corresponding to described touch-type bottom door opening and closing mechanism.
3. as claimed in claim 1 touch-type bottom door opening and closing mechanism, it is characterised in that, also comprise secondary latch locking mechanism;
Described secondary latch locking mechanism is arranged on described touching arm mechanism.
4. as claimed in claim 1 touch-type bottom door opening and closing mechanism, it is characterised in that, the two ends of described longitudinal drive shaft mechanism arrange a described longitudinal drive shaft respectively and hang seat.
5. as claimed in claim 1 touch-type bottom door opening and closing mechanism, it is characterised in that, described wheel casing comprises a shaft coupling, and described input shaft is connected with described horizontal driving shaft mechanism by described shaft coupling.
6. as claimed in claim 1 touch-type bottom door opening and closing mechanism, it is characterised in that, described output shaft is connected with described longitudinal drive shaft mechanism by inner hexagonal hole.
7. as claimed in claim 1 touch-type bottom door opening and closing mechanism, it is characterised in that, described longitudinal drive shaft mechanism comprises longitudinal drive shaft and duplex lever;
Described longitudinal drive shaft is connected by key with described duplex lever.
8. as claimed in claim 1 touch-type bottom door opening and closing mechanism, it is characterized in that, described first Di Men mechanism is identical with the structure of described 2nd Di Men mechanism, and, described first Di Men mechanism and described 2nd Di Men mechanism are symmetricly set in the both sides of described longitudinal drive shaft mechanism.
9. as claimed in claim 1 touch-type bottom door opening and closing mechanism, it is characterised in that, one end and the described first Di Men mechanism of described first connecting rod mechanism are hinged, and the other end and the described longitudinal drive shaft mechanism of described first connecting rod mechanism are hinged.
10. as claimed in claim 1 touch-type bottom door opening and closing mechanism, it is characterised in that, one end and the described 2nd Di Men mechanism of described second connecting rod mechanism are hinged, and the other end and the described longitudinal drive shaft mechanism of described second connecting rod mechanism are hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511002429.5A CN105620498A (en) | 2015-12-25 | 2015-12-25 | Touch-type bottom door opening and closing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511002429.5A CN105620498A (en) | 2015-12-25 | 2015-12-25 | Touch-type bottom door opening and closing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105620498A true CN105620498A (en) | 2016-06-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511002429.5A Pending CN105620498A (en) | 2015-12-25 | 2015-12-25 | Touch-type bottom door opening and closing mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN105620498A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107128319A (en) * | 2017-05-05 | 2017-09-05 | 中车眉山车辆有限公司 | A kind of side dump wagon side door switching mechanism |
| WO2020118783A1 (en) * | 2018-12-11 | 2020-06-18 | 中车眉山车辆有限公司 | Two-side unloading hopper car |
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| US3459316A (en) * | 1967-10-31 | 1969-08-05 | Acf Ind Inc | Means for automatically operating bottom hopper discharge doors during travel of railway cars |
| CA2239275A1 (en) * | 1997-05-30 | 1998-11-30 | Abb Engineering Construction Pty Ltd. | Railway wagon discharge system |
| CN202243480U (en) * | 2011-09-30 | 2012-05-30 | 太原轨道交通装备有限责任公司 | Novel bottom door of coal hopper car |
| CN102556087A (en) * | 2011-12-30 | 2012-07-11 | 太原轨道交通装备有限责任公司 | Bottom door opening and closing mechanism for railway coal hopper car |
| CN103204062A (en) * | 2012-01-13 | 2013-07-17 | 北车兰州机车有限公司 | Power transmission system and internal combustion locomotive |
| CN103552566A (en) * | 2013-11-15 | 2014-02-05 | 南车长江车辆有限公司 | Secondary locking device for hopper car bottom gate and hopper car |
| CN104228856A (en) * | 2014-09-19 | 2014-12-24 | 南车长江车辆有限公司 | Latch hook type hopper wagon bottom door two-level locking device and hopper wagon |
| CN104228855A (en) * | 2014-09-05 | 2014-12-24 | 南车长江车辆有限公司 | Bottom door opening and closing system for railroad hopper car |
| CN104943707A (en) * | 2015-07-16 | 2015-09-30 | 南车青岛四方机车车辆股份有限公司 | Straddle-type monorail train and bogie thereof |
| CN204775234U (en) * | 2015-06-30 | 2015-11-18 | 包头北方创业股份有限公司 | Vertical bottom door closing mechanism of railway hopper car |
| CN205737540U (en) * | 2015-12-25 | 2016-11-30 | 中车长江车辆有限公司 | A kind of touching formula bottom door opening and closing mechanism |
-
2015
- 2015-12-25 CN CN201511002429.5A patent/CN105620498A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3459316A (en) * | 1967-10-31 | 1969-08-05 | Acf Ind Inc | Means for automatically operating bottom hopper discharge doors during travel of railway cars |
| CA2239275A1 (en) * | 1997-05-30 | 1998-11-30 | Abb Engineering Construction Pty Ltd. | Railway wagon discharge system |
| CN202243480U (en) * | 2011-09-30 | 2012-05-30 | 太原轨道交通装备有限责任公司 | Novel bottom door of coal hopper car |
| CN102556087A (en) * | 2011-12-30 | 2012-07-11 | 太原轨道交通装备有限责任公司 | Bottom door opening and closing mechanism for railway coal hopper car |
| CN103204062A (en) * | 2012-01-13 | 2013-07-17 | 北车兰州机车有限公司 | Power transmission system and internal combustion locomotive |
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| CN104228855A (en) * | 2014-09-05 | 2014-12-24 | 南车长江车辆有限公司 | Bottom door opening and closing system for railroad hopper car |
| CN104228856A (en) * | 2014-09-19 | 2014-12-24 | 南车长江车辆有限公司 | Latch hook type hopper wagon bottom door two-level locking device and hopper wagon |
| CN204775234U (en) * | 2015-06-30 | 2015-11-18 | 包头北方创业股份有限公司 | Vertical bottom door closing mechanism of railway hopper car |
| CN104943707A (en) * | 2015-07-16 | 2015-09-30 | 南车青岛四方机车车辆股份有限公司 | Straddle-type monorail train and bogie thereof |
| CN205737540U (en) * | 2015-12-25 | 2016-11-30 | 中车长江车辆有限公司 | A kind of touching formula bottom door opening and closing mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107128319A (en) * | 2017-05-05 | 2017-09-05 | 中车眉山车辆有限公司 | A kind of side dump wagon side door switching mechanism |
| WO2020118783A1 (en) * | 2018-12-11 | 2020-06-18 | 中车眉山车辆有限公司 | Two-side unloading hopper car |
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Application publication date: 20160601 |
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