CN102795234A - Movable top cover for railroad hopper car - Google Patents
Movable top cover for railroad hopper car Download PDFInfo
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- CN102795234A CN102795234A CN2012103206172A CN201210320617A CN102795234A CN 102795234 A CN102795234 A CN 102795234A CN 2012103206172 A CN2012103206172 A CN 2012103206172A CN 201210320617 A CN201210320617 A CN 201210320617A CN 102795234 A CN102795234 A CN 102795234A
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- top cover
- screw mandrel
- car body
- circular arc
- hopper car
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Abstract
The invention discloses a movable top cover for a railroad hopper car, which belongs to the technical field of railroad freight. The hopper car comprises a top cover, a rocker, a rocker support, an air cylinder and an air cylinder mounting seat, wherein the top cover is movably connected with an opening at the top of an arc car body of the hopper car; one end of the rocker is fixedly connected with the end of the top cover; the other end of the rocker is articulated with the rocker support; the rocker support is fixed at the bottom of the arc car body; one end of the air cylinder is movably connected with the middle of the rocker; the other end of the air cylinder is articulated with the air cylinder mounting seat; the air cylinder mounting seat is fixed on the arc car body; and a spring balance device is arranged between the rocker and the car body. The movable top cover can reduce the rated pressure or the diameter of the air cylinder of the conventional hopper car with the cover greatly, so that the manufacturing cost of the movable top cover is lowered, and the opening and closing performance of the movable top cover is improved.
Description
Technical field
The invention belongs to railway goods and use technical field, particularly a kind of railway hopper car removable top cover.
Background technology
Along with the raising day by day of human security, environmental consciousness, the safety and the environmental problem of railway freight traffic are protruded day by day.Some are needed damp proof, moistureproof or environmentally harmful loose goods, need in the transportation it is carried out insulation blocking, for example lime, phosphate, sulphur, grain, cement and china clay etc.The hopper car transportation that removable top cover has been installed in employing has advantages such as economical and efficient, environmental protection low-carbon (LC), cargo transportation security be reliable.The torque that the center of gravity of elongated hopper car removable top cover produces the rocker bearing center will be much larger than closed condition in full-gear, thereby makes the open and close power size of removable top cover differ bigger.In the prior art, have only the rated pressure or the cylinder bore diameter that increase cylinder to guarantee that the removable top cover switching is smooth and easy, thereby make the vehicle cost also increase greatly.
Summary of the invention
Technical matters to be solved by this invention provides a kind of railway hopper car removable top cover of size of active balance removable top cover opening and closing force.
For solving the problems of the technologies described above, the invention provides a kind of railway hopper car removable top cover, comprise top cover, rocking bar, rocker bearing, cylinder and cylinder mount pad; The top open part of the circular arc car body of said top cover and hopper car flexibly connects; One end of said rocking bar is captiveed joint with the end of said top cover; The other end of said rocking bar is hinged on the said rocker bearing, and said rocker bearing is fixed on the bottom of said circular arc car body, and an end of said cylinder and the middle part of said rocking bar flexibly connect; The other end of said cylinder and said cylinder mount pad are hinged, and said cylinder mount pad is fixed on the said circular arc car body.
Further, said hopper car also comprises spring equalizing device, and said spring equalizing device links to each other with said circular arc car body with the middle part of said rocking bar respectively.
Further, said spring equalizing device comprises:
Extension spring and extension spring mount pad, said extension spring mount pad are fixed on the said circular arc car body, and said extension spring is hinged with the middle part and the said extension spring mount pad of said rocking bar respectively.
Further, said hopper car one side also comprises manual switching lead screw device, and said manual switching lead screw device is hinged with the middle part of said circular arc car body and said rocking bar respectively through pin.
Further, said manual switching lead screw device comprises two pins, left-handed screw mandrel, left-handed nut, middle steel pipe, handle stop nut, handle captive nut, handle, right handed unt, dextrorotation screw mandrel, the first screw mandrel head, the second screw mandrel head, captive nut; In the middle of said captive joint with said right handed unt with said left-handed nut respectively in the both sides of steel pipe; One end of the said second screw mandrel head is captiveed joint with said left-handed screw mandrel one end; One end of the said first screw mandrel head is captiveed joint with said dextrorotation screw mandrel one end; The other end of said left-handed screw mandrel is connected with said left-handed nut spiral, and the other end of said dextrorotation screw mandrel is connected with said right handed unt's spiral, and said handle passes the hole at said middle steel pipe middle part; One end of said handle is installed said handle stop nut; The other end of said handle is installed said handle captive nut, and the other end of the said first screw mandrel head is hinged through the middle part of a said pin and said circular arc car body, and a said pin is fixedly connected on the first screw mandrel head through said captive nut; The other end of the said second screw mandrel head is hinged through the middle part of another said pin and said rocking bar, and another said pin is fixedly connected on the second screw mandrel head through said captive nut.
Further, the afterbody of said cylinder has the cylinder self-lock pin.
Further, the top open part of the both sides of said top cover and said circular arc car body adopts the rigidity labyrinth seal structure respectively.
Further; One side of said top cover is equipped with the roller supporting device that rolls along said circular arc car body; Said roller supporting device comprises mount pad, roller, adjustment backing plate and light round pin; Said mount pad and said adjustment backing plate are through being bolted to the side of said top cover, and said roller is hinged through said smooth round pin and said mount pad.
Further, said cylinder is a double-action type, and said top cover is special-shaped circular cross-section.
Further, a side of said circular arc car body is equipped with two and opens inhibiting device, and the opposite side of said circular arc car body is equipped with one and closes inhibiting device.
Railway hopper car removable top cover provided by the invention, during lade, top cover can open and close very easily, and removable top cover has the state of keeping shut reliable tightness and self-locking performance in transit.Can reduce simultaneously the rated pressure or the reservoir diameter of existing hopper car reservoir with cover greatly, thereby make the manufacturing cost reduction of top cover, switching performance improve.
Description of drawings
The railway hopper car removable top cover structural representation that Fig. 1 provides for the embodiment of the invention;
The lateral plan of the railway hopper car removable top cover top cover closed condition that Fig. 2 provides for the embodiment of the invention;
The lateral plan of the railway hopper car removable top cover top cover open mode that Fig. 3 provides for the embodiment of the invention;
Fig. 4 manually opens and closes the screw mandrel scheme of installation for the railway hopper car removable top cover top cover that the embodiment of the invention provides.
Fig. 5 manually opens and closes the screw structure scheme drawing for the railway hopper car removable top cover top cover that the embodiment of the invention provides;
Description of drawings:
1, top cover, 2, roller supporting device, 3, the circular arc car body, 4, the cylinder mount pad, 5, rocking bar; 6, cylinder, 7, spring equalizing device, 8, rocker bearing, 9, open inhibiting device, 10, close inhibiting device; 11, manually open and close lead screw device, 11.1, pin, 11.2, left-handed screw mandrel, 11.3, left-handed nut, 11.4, middle steel pipe; 11.5, the handle stop nut, 11.6, handle, 11.7, the right handed unt, 11.8, the dextrorotation screw mandrel; 11.9, the first screw mandrel head, 11.10, nut, 11.11, the second screw mandrel head, 11.12, the handle captive nut.
The specific embodiment
Referring to Fig. 1, a kind of railway hopper car removable top cover that the embodiment of the invention provides comprises top cover 1, two rocking bars 5, two rocker bearings 8, two cylinders 6 and two cylinder mount pads 4.Hopper car adopts circular arc car body 3; Cargo width according to hopper; Open 1.1 meters wide loading hatchs in that circular arc car body 3 center of top are elongated; For preventing that rainwater from getting into from loading hatch, the top cover 1 that the cross section is special-shaped arc is installed above loading hatch, this top cover 1 can be as required with pneumatic or manual its flexible switching of form control.
Referring to Fig. 2, top cover 1 flexibly connects with the top open part of the circular arc car body 3 of hopper car, and a side of circular arc car body 3 has a rocking bar 5; One end of this rocking bar 5 is captiveed joint with the end of top cover 1; The other end of this rocking bar 5 is hinged on the rocker bearing 8, and this rocker bearing 8 is fixed by bolts to the bottom of circular arc car body 3, and an end of a cylinder 6 and the middle part of this rocking bar 5 flexibly connect; The other end of this cylinder 6 and a cylinder mount pad 4 are hinged, and this cylinder mount pad 4 is fixed on the circular arc car body 3.The opposite side of circular arc car body 3 has another rocking bar 5; One end of another rocking bar 5 is captiveed joint with the end of top cover 1; The other end of another rocking bar 5 is hinged on another rocker bearing 8, and another rocker bearing 8 is fixed by bolts to the bottom of circular arc car body 3, and an end of another cylinder 6 and the middle part of another rocking bar 5 flexibly connect; The other end of another cylinder 6 and another cylinder mount pad 4 are hinged, and another cylinder mount pad 4 is fixed on the circular arc car body 3.
Smooth and easy for the switching that guarantees top cover 1, circular arc car body 3 is provided with two sleeve spring balancing devices 7 at the vehicle two ends.7 middle part and circular arc car bodies 3 with a rocking bar 5 of every sleeve spring balancing device are hinged, and rely on the size of pulling force ability actv. balance top cover 1 opening and closing force of spring, thereby reduce the rated pressure of cylinder 6 or the diameter of cylinder.Spring equalizing device is made up of extension spring and extension spring mount pad, and wherein the extension spring mount pad is fixed on the circular arc car body 3, and extension spring is hinged with the middle part and the extension spring mount pad of a rocking bar 5 respectively.
Referring to Fig. 4 and Fig. 5, under the situation in vehicle trouble and the calm source of cylinder, one side of circular arc car body 3 is respectively installed a cover and is is manually opened and closed feed screw apparatus 11 at the vehicle two ends.Manually opening and closing lead screw device 11 links to each other with the middle part of circular arc car body 3 with a rocking bar 5 respectively.Manually open and close lead screw device 11 and comprise two pins 11.1, left-handed screw mandrel 11.2, left-handed nut 11.3, middle steel pipe 11.4, handle stop nut 11.5, handle captive nut 11.12, handle 11.6, right handed unt 11.7, dextrorotation screw mandrel 11.8, the first screw mandrel head 11.9, the second screw mandrel head 11.11, captive nut 11.10.Captive joint with right handed unt 11.7 respectively at left-handed nut 11.3 in the both sides of middle steel pipe 11.4.One end of the second screw mandrel head 11.11 is captiveed joint with left-handed screw mandrel 11.2 one ends, and an end of the first screw mandrel head 11.9 is captiveed joint with dextrorotation screw mandrel 11.8 one ends.The other end of left-handed screw mandrel 11.2 is connected with left-handed nut 11.3.The other end of dextrorotation screw mandrel 11.8 is connected with right handed unt 11.7.The hole at steel pipe 11.4 middle parts in the middle of handle 11.6 passes.One end handle installation stop nut 11.5 of handle 11.6, the other end handle installation captive nut 11.12 of handle 11.6.The other end of the first screw mandrel head 11.9 is hinged with the middle part of circular arc car body through a pin 11.1, and this pin 11.1 is fixedly connected on the first screw mandrel head 11.9 through captive nut 11.10.The other end of the second screw mandrel head 11.11 is hinged with the middle part of rocking bar 5 through another pin 11.1, and this pin 11.1 is fixedly connected on the second screw mandrel head 11.11 through captive nut 11.10.The handle of manual switching lead screw device 11 is pulled at two ends synchronously, can realize the opening and closing of top cover 1.
Wherein, in vehicle two ends circular arc car body 3, rocking bar 5 is with top cover 1 and is rigidly connected, and this rocking bar 5 at car body two ends also plays the effect of supporting top cover 1 except the torque that transmission cylinder 6 provides.
Wherein, this cylinder 6 is a double-action type, is the drive source of top cover 1.The afterbody of this cylinder 6 has a cylinder self-lock pin; When these cylinder 6 no blast and piston rod stroke were zero, the cylinder self-lock pin pinned cylinder piston automatically, when these cylinder 6 pressurisings; High pressure gas are self-lock pin jack-up, thereby make cylinder piston release and smoothly cylinder piston rod being released.
Wherein, the top open part of the both sides of top cover 1 and circular arc car body 3 adopts the rigidity labyrinth seal structure respectively.
For preventing 1 distortion of elongated top cover, be uniformly distributed with in a side of top cover 1 two roller supporting devices 2 that roll along circular arc car body 3 are installed.Wherein, roller supporting device 2 comprises mount pad, roller, adjustment backing plate and light round pin, and mount pad and adjustment backing plate are through being bolted to the side of top cover, and roller is hinged through light round pin and mount pad.Roller can rely on the adjustment backing plate to regulate the height of roller, thereby reduces because the distortion of removable top cover 1 influences with leak free the retardance of its generation.
Wherein, top cover 1 is special-shaped circular cross-section, makes top cover 1 in closing closed procedure, and its center of gravity is crossed a rocker bearing 8 centers, and relies on top cover 1 to produce self-locking with respect to the off-centre of this rocker bearing 8.
Referring to Fig. 3; For guaranteeing vehicle top cover 1 safe and reliable in transportation; On vehicle, be provided with and open inhibiting device 9 and close inhibiting device 10, a side of circular arc car body 3 is uniformly distributed with and is equipped with two and opens inhibiting device 9, and the opposite side of circular arc car body 3 is closed inhibiting device 10.Open and play position-limiting action after 9 pairs of top covers 1 of inhibiting device are opened fully.Open inhibiting device 9 and be made up of mount pad, rubber limiting block and adjustment backing plate, mount pad is fixed on a side of circular arc car body 3, and the rubber limiting block is fixed through bolt and mount pad with the adjustment backing plate.
Close inhibiting device 10 and adopt elongated steel plate, elongated steel plate is fixed on the opposite side of circular arc car body 3, plays sealing and position-limiting action after top cover 1 is closed fully.
A kind of railway hopper car of the present invention, during lade, top cover can open and close very easily, and top cover has the state of keeping shut reliable tightness and self-locking performance in transit.
The present invention has following beneficial effect: can reduce the rated pressure or the reservoir diameter of existing hopper car reservoir with cover greatly, thereby make the manufacturing cost reduction of removable top cover, switching performance improve.
It should be noted last that; The above specific embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to instance the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the spirit and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. a railway hopper car removable top cover is characterized in that, comprises top cover, rocking bar, rocker bearing, cylinder and cylinder mount pad; The top open part of the circular arc car body of said top cover and hopper car flexibly connects; One end of said rocking bar is captiveed joint with said top cover end; The other end of said rocking bar is hinged on the said rocker bearing, and said rocker bearing is fixed on the bottom of said circular arc car body, and an end of said cylinder and the middle part of said rocking bar flexibly connect; The other end of said cylinder and said cylinder mount pad are hinged, and said cylinder mount pad is fixed on the said circular arc car body.
2. railway hopper car removable top cover according to claim 1 is characterized in that said hopper car also comprises spring equalizing device, and said spring equalizing device links to each other with said circular arc car body with the middle part of said rocking bar respectively.
3. railway hopper car removable top cover according to claim 1 is characterized in that, said spring equalizing device comprises:
Extension spring and extension spring mount pad, said extension spring mount pad are fixed on the said circular arc car body, and said extension spring is hinged with the middle part and the said extension spring mount pad of said rocking bar respectively.
4. railway hopper car removable top cover according to claim 1 is characterized in that, said hopper car one side also comprises manual switching lead screw device, and said manual switching lead screw device is hinged with the middle part of said circular arc car body and said rocking bar respectively through pin.
5. railway hopper car removable top cover according to claim 4; It is characterized in that said manual switching lead screw device comprises two pins, left-handed screw mandrel, left-handed nut, middle steel pipe, handle stop nut, handle captive nut, handle, right handed unt, dextrorotation screw mandrel, the first screw mandrel head, the second screw mandrel head, captive nut; In the middle of said captive joint with said right handed unt with said left-handed nut respectively in the both sides of steel pipe; One end of the said second screw mandrel head is captiveed joint with said left-handed screw mandrel one end; One end of the said first screw mandrel head is captiveed joint with said dextrorotation screw mandrel one end; The other end of said left-handed screw mandrel is connected with said left-handed nut spiral, and the other end of said dextrorotation screw mandrel is connected with said right handed unt's spiral, and said handle passes the hole at said middle steel pipe middle part; One end of said handle is installed said handle stop nut; The other end of said handle is installed said handle captive nut, and the other end of the said first screw mandrel head is hinged through the middle part of a said pin and said circular arc car body, and a said pin is fixedly connected on the first screw mandrel head through said captive nut; The other end of the said second screw mandrel head is hinged through the middle part of another said pin and said rocking bar, and another said pin is fixedly connected on the second screw mandrel head through said captive nut.
6. railway hopper car removable top cover according to claim 5 is characterized in that the afterbody of said cylinder has the cylinder self-lock pin.
7. railway hopper car removable top cover according to claim 1 is characterized in that, the top open part of the both sides of said top cover and said circular arc car body adopts the rigidity labyrinth seal structure respectively.
8. railway hopper car removable top cover according to claim 1; It is characterized in that; One side of said top cover is equipped with the roller supporting device that rolls along said circular arc car body; Said roller supporting device comprises mount pad, roller, adjustment backing plate and light round pin, and said mount pad and said adjustment backing plate are through being bolted to the side of said top cover, and said roller is hinged through said smooth round pin and said mount pad.
9. railway hopper car removable top cover according to claim 1 is characterized in that, said cylinder is a double-action type, and said top cover is special-shaped circular cross-section.
10. railway hopper car removable top cover according to claim 9 is characterized in that, a side of said circular arc car body is equipped with two and opens inhibiting device, and the opposite side of said circular arc car body is equipped with one and closes inhibiting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210320617.2A CN102795234B (en) | 2012-08-31 | 2012-08-31 | A kind of Movable top cover for railroad hopper car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210320617.2A CN102795234B (en) | 2012-08-31 | 2012-08-31 | A kind of Movable top cover for railroad hopper car |
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| Publication Number | Publication Date |
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| CN102795234A true CN102795234A (en) | 2012-11-28 |
| CN102795234B CN102795234B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210320617.2A Active CN102795234B (en) | 2012-08-31 | 2012-08-31 | A kind of Movable top cover for railroad hopper car |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103661445A (en) * | 2013-11-29 | 2014-03-26 | 中国北车集团沈阳机车车辆有限责任公司 | Movable head cover and cement hopper car |
| CN104742926A (en) * | 2014-12-23 | 2015-07-01 | 太原轨道交通装备有限责任公司 | Railway vehicle top cover opening and closing mechanism |
| CN105383510A (en) * | 2015-12-14 | 2016-03-09 | 南车长江车辆有限公司 | Opening-closing top cover for railway wagon and railway wagon |
| CN106347385A (en) * | 2016-10-13 | 2017-01-25 | 中车长江车辆有限公司 | Railway hopper car |
| CN106394588A (en) * | 2016-10-13 | 2017-02-15 | 中车长江车辆有限公司 | Double-layer top cover for railroad covered hopper car |
| WO2018068553A1 (en) * | 2016-10-13 | 2018-04-19 | 中车长江车辆有限公司 | Hopper car |
| CN108313075A (en) * | 2018-03-13 | 2018-07-24 | 中车山东机车车辆有限公司 | A kind of slide rail type railway hopper car capping mechanism and working method |
| CN109823356A (en) * | 2019-03-04 | 2019-05-31 | 中车长江车辆有限公司 | Top cover opening structure and hopper wagon |
| CN114148357A (en) * | 2021-12-30 | 2022-03-08 | 国能铁路装备有限责任公司 | Railway wagon and top cover adjusting device |
| WO2023207654A1 (en) * | 2022-04-25 | 2023-11-02 | 中车株洲车辆有限公司 | Top cover opening and closing apparatus and railway wagon |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1176692B (en) * | 1961-08-01 | 1964-08-27 | Stahlwerke Brueninghaus G M B | Actuating device for a roof of vehicles, in particular railway vehicles, which is divided in the longitudinal direction in two halves, which can be pivoted about pivot points on the front wall |
| SU742172A1 (en) * | 1978-10-11 | 1980-06-25 | Предприятие П/Я А-7449 | Vehicle towing device |
| SU1763268A1 (en) * | 1990-03-16 | 1992-09-23 | А.Н.Белашов | Device for opening and closing freight car roof |
| EP0560152A1 (en) * | 1992-03-07 | 1993-09-15 | ABB HENSCHEL WAGGON UNION GmbH | Tiltable roof for railway goods wagons supported on support arms mounted at the endwalls |
| DE4337194A1 (en) * | 1992-11-04 | 1994-05-05 | Transtech Ltd Oy | Adjuster for roof of covered goods waggons - has drive to rotate drive shaft, and screw to convert rotary movement |
| CN101200190A (en) * | 2007-12-06 | 2008-06-18 | 太原轨道交通装备有限责任公司 | Removable top cover for railway open hopper wagon |
| CN101797925A (en) * | 2010-03-29 | 2010-08-11 | 南车眉山车辆有限公司 | Device for locking movable vehicle roof |
| CN202806773U (en) * | 2012-08-31 | 2013-03-20 | 南车长江车辆有限公司 | Movable top cover of railway hopper car |
-
2012
- 2012-08-31 CN CN201210320617.2A patent/CN102795234B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1176692B (en) * | 1961-08-01 | 1964-08-27 | Stahlwerke Brueninghaus G M B | Actuating device for a roof of vehicles, in particular railway vehicles, which is divided in the longitudinal direction in two halves, which can be pivoted about pivot points on the front wall |
| SU742172A1 (en) * | 1978-10-11 | 1980-06-25 | Предприятие П/Я А-7449 | Vehicle towing device |
| SU1763268A1 (en) * | 1990-03-16 | 1992-09-23 | А.Н.Белашов | Device for opening and closing freight car roof |
| EP0560152A1 (en) * | 1992-03-07 | 1993-09-15 | ABB HENSCHEL WAGGON UNION GmbH | Tiltable roof for railway goods wagons supported on support arms mounted at the endwalls |
| DE4337194A1 (en) * | 1992-11-04 | 1994-05-05 | Transtech Ltd Oy | Adjuster for roof of covered goods waggons - has drive to rotate drive shaft, and screw to convert rotary movement |
| CN101200190A (en) * | 2007-12-06 | 2008-06-18 | 太原轨道交通装备有限责任公司 | Removable top cover for railway open hopper wagon |
| CN101797925A (en) * | 2010-03-29 | 2010-08-11 | 南车眉山车辆有限公司 | Device for locking movable vehicle roof |
| CN202806773U (en) * | 2012-08-31 | 2013-03-20 | 南车长江车辆有限公司 | Movable top cover of railway hopper car |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103661445A (en) * | 2013-11-29 | 2014-03-26 | 中国北车集团沈阳机车车辆有限责任公司 | Movable head cover and cement hopper car |
| CN104742926B (en) * | 2014-12-23 | 2018-01-16 | 中国铁路总公司 | A kind of rolling stock top cover switching mechanism |
| CN104742926A (en) * | 2014-12-23 | 2015-07-01 | 太原轨道交通装备有限责任公司 | Railway vehicle top cover opening and closing mechanism |
| CN105383510A (en) * | 2015-12-14 | 2016-03-09 | 南车长江车辆有限公司 | Opening-closing top cover for railway wagon and railway wagon |
| CN105383510B (en) * | 2015-12-14 | 2018-12-18 | 中车长江车辆有限公司 | A kind of the opening and closing top cover and railway freight-car of railway freight-car |
| US11052927B2 (en) | 2016-10-13 | 2021-07-06 | Crrc Yangtze Co., Ltd. | Railroad hopper car |
| WO2018068553A1 (en) * | 2016-10-13 | 2018-04-19 | 中车长江车辆有限公司 | Hopper car |
| CN106347385B (en) * | 2016-10-13 | 2018-06-19 | 中车长江车辆有限公司 | Railway hopper car |
| CN106394588B (en) * | 2016-10-13 | 2018-11-30 | 中车长江车辆有限公司 | Railway covered hopper car bi-layer tip cap |
| CN106394588A (en) * | 2016-10-13 | 2017-02-15 | 中车长江车辆有限公司 | Double-layer top cover for railroad covered hopper car |
| CN106347385A (en) * | 2016-10-13 | 2017-01-25 | 中车长江车辆有限公司 | Railway hopper car |
| CN108313075A (en) * | 2018-03-13 | 2018-07-24 | 中车山东机车车辆有限公司 | A kind of slide rail type railway hopper car capping mechanism and working method |
| CN108313075B (en) * | 2018-03-13 | 2023-09-08 | 中车山东机车车辆有限公司 | Top cover mechanism of sliding rail type railway hopper wagon and working method |
| CN109823356A (en) * | 2019-03-04 | 2019-05-31 | 中车长江车辆有限公司 | Top cover opening structure and hopper wagon |
| CN114148357A (en) * | 2021-12-30 | 2022-03-08 | 国能铁路装备有限责任公司 | Railway wagon and top cover adjusting device |
| WO2023207654A1 (en) * | 2022-04-25 | 2023-11-02 | 中车株洲车辆有限公司 | Top cover opening and closing apparatus and railway wagon |
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|---|---|
| CN102795234B (en) | 2016-04-13 |
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Address after: 430212 Jiangxia Economic Development Zone, Wuhan, the new bridge area of the city of Hubei Patentee after: CRRC YANGTZE CO., LTD. Address before: 430212 Jiangxia Economic Development Zone, Wuhan, the new bridge area of the city of Hubei Patentee before: China South Locomotive & Rolling Stock Changjiang Vehicle Company |