CN103786735A - Opening and closing drive device of wagon unloading door, wagon and ground unloading device - Google Patents
Opening and closing drive device of wagon unloading door, wagon and ground unloading device Download PDFInfo
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- CN103786735A CN103786735A CN201410068799.8A CN201410068799A CN103786735A CN 103786735 A CN103786735 A CN 103786735A CN 201410068799 A CN201410068799 A CN 201410068799A CN 103786735 A CN103786735 A CN 103786735A
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- door
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- rotating shaft
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- 238000007599 discharging Methods 0.000 claims description 35
- 239000003245 coal Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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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
- B61D7/26—Opening or closing means mechanical
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
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Abstract
The invention provides an opening and closing drive device of a wagon unloading door, a wagon and a ground unloading device. The drive device comprises a four-bar mechanism. The four-bar mechanism comprises a rotary shaft arranged on the bottom surface of a wagon body in a crossing mode, a first door opening arm is fixedly arranged at one end of the rotary shaft and used for triggering the rotary shaft to rotate in the first direction, a second door opening arm and a second door closing arm are arranged at the other end of the rotary shaft, the second door opening arm is used for triggering the rotary shaft to rotate in the first direction, and the second door closing arm is used for triggering the rotary shaft to rotate in the direction opposite to the first direction. The straight lines where the tail end of the first door opening arm and the tail end of the second door opening arm are located respectively are in parallel with the rotary shaft, and the second door closing arm extends out in the transverse direction to the outer side of the second door opening arm and is away from the second door opening arm by a first interval. The opening and closing drive device of the wagon unloading door greatly facilitates unloading operation and also effectively improves unloading efficiency.
Description
Technical field
The present invention relates to rolling stock manufacturing technology, relate in particular to a kind of railway truck opening and closing discharging door actuating device, railway truck and ground emptying equipment.
Background technology
Railway truck is the important tool for conveying goods, and wherein coal hopper car can transport the bulk materials such as coal in a large number.
On the bottom surface of the storage bin below of coal hopper car, be provided with the dump door of splitting, and drive this dump door to open that material is spilt by the opening and closing device being arranged on car body bottom surface, after having unloaded, drive dump door to close by this opening and closing device again.
Fig. 1 is the schematic layout pattern of coal hopper car and ground unloading equipment in prior art; As shown in Figure 1, open/close driving device comprises close the door arm 11 and the arm 12 that opens the door that are separately positioned on coal hopper car both sides, accordingly, on ground and in unloading track 10 both sides, arrange respectively and close doorstop and open the door and meet and discuss, and close doorstop and open the door and meet and discuss on track bearing of trend at a distance of the first interval; Train need cut out open the door the meet and discuss direction of 14 place one sides of 13 place one sides of meeting and discussing, arm 12 correspondences of opening the door with the arm 11 place one side correspondences of closing the door and sail unloading track 10 into, realizes the arm 12 that opens the door and first touches to open the door and meet and discuss 14, thereby drive dump door to open; While continuing to travel the first interval, the arm 11 of closing the door touches to close meets and discusses 13, thereby drives dump door to close, and completes once complete unloading.
But, open the door wall and the arm set-up mode of closing the door of existing this open/close driving device, while requiring strict guarantee train to sail unloading track into, open the door and meet and discuss and the corresponding relation that closes doorstop in both sides and ground, the normal unlatching of guarantee dump door, thereby unloading time need to arrange adjustment vehicle heading according to ground, very inconvenient, and affect rate of discharging.
Summary of the invention
For above-mentioned defect of the prior art, the invention provides a kind of railway truck opening and closing discharging door actuating device, railway truck and ground emptying equipment, realize convenient unloading operation, raise the efficiency.
The invention provides a kind of railway truck opening and closing discharging door actuating device, comprise: for the four-bar mechanism that drives two door-plates to open and close, described four-bar mechanism comprises for the rotating shaft across being arranged at car body bottom surface, described rotating shaft one end is fixedly installed to be useful on triggers first arm that opens the door that described rotating shaft is rotated with first direction, and the other end of described rotating shaft is fixedly installed and is useful on the second the open the door arm and for triggering second the close the door arm of described rotating shaft to rotate in the opposite direction with described first party that triggers that described rotating shaft rotates with first direction; The described first open the door arm and second open the door arm end place straight line parallel and described rotating shaft, described second close the door arm along cross out to described second open the door arm outside and with described second open the door arm at a distance of the first interval, described second arm and described second that opens the door is closed the door and is formed and preset angle between arm.
The invention provides a kind of railway truck, comprise: underframe and be arranged on the car body on described underframe, described vehicle bottom is provided with discharging hatch, on described discharging hatch, be provided with two door-plates for discharging hatch described in shutoff, also comprise arranging being fixedly installed on railway truck opening and closing discharging door actuating device on described car body bottom surface, as above; In described railway truck opening and closing discharging door actuating device, the rotating shaft of four-bar mechanism is across being arranged on described car body bottom surface, and described rotating shaft two ends extend to respectively car body both sides.
The invention provides a kind of ground emptying equipment that is used to above-mentioned railway truck unloading, comprise: the unloading track of longitudinal extension, is oppositely arranged respectively in the both sides of described unloading track to be useful on and triggers first pass doorstop and the second pass doorstop of described rotating shaft with first direction rotation; Described in fore-and-aft distance, second closing doorstop first distance of unloading and be provided with for triggering described rotating shaft and open the door and meet and discuss with second of the direction rotation contrary with described first direction, described second closes doorstop is positioned at described second outside of meeting and discussing of opening the door, and described second close doorstop and described second open the door meet and discuss between distance and described the first interval transversely, edge match.
Railway truck opening and closing discharging door actuating device provided by the invention in use, without limiting first arm and second arm and the bottom surface corresponding relation of meeting and discussing and closing doorstop that opens the door that opens the door that opens the door, can realize equally triggering reliably after door-plate is opened and trigger again door-plate and close, greatly facilitate unloading operation, also effectively improved rate of discharging.
Accompanying drawing explanation
Fig. 1 is the schematic layout pattern of coal hopper car and ground unloading equipment in prior art;
Fig. 2 is the schematic perspective view of railway truck opening and closing discharging door actuating device embodiment of the present invention;
Fig. 3 is the lateral plan of the first side in Fig. 2;
Fig. 4 is the lateral plan of the second side in Fig. 2;
Fig. 5 is the schematic layout pattern of the ground emptying equipment that is used in conjunction with the railway truck opening and closing discharging door actuating device of the embodiment shown in Fig. 2;
Fig. 6 is that railway truck triggers the principle schematic that door-plate is opened in the time that the first service direction in Fig. 5 enters unloading track;
Fig. 7 continues to move to the principle schematic that triggering door-plate cuts out the moment shown in Fig. 6;
Fig. 8 triggers the principle schematic that door-plate is opened in the time that direction contrary with the first service direction in Fig. 5 enters unloading track after railway truck Rotate 180 degree;
Fig. 9 continues to move to the principle schematic that triggering door-plate cuts out the moment shown in Fig. 8.
The specific embodiment
Fig. 2 is the schematic perspective view of railway truck opening and closing discharging door actuating device embodiment of the present invention; Fig. 3 is the lateral plan of the first side in Fig. 2; Fig. 4 is the lateral plan of the second side in Fig. 2; Please refer to Fig. 2-4, the present embodiment provides a kind of railway truck opening and closing discharging door actuating device, comprise: for the four-bar mechanism 3 that drives two door-plates 20 to open and close, four-bar mechanism 3 comprises for the rotating shaft 31 across being arranged at car body bottom surface, rotating shaft 31 one end are fixedly installed to be useful on triggers first arm 41 that opens the door that rotating shaft 31 is rotated with first direction, and the other end of rotating shaft 31 is fixedly installed and is useful on the second the open the door arm 42 and for triggering second the close the door arm 43 of rotating shaft 31 to rotate in the opposite direction with first party that triggers that rotating shaft 31 rotates with first direction; First 41 arms and second that open the door open the door arm 42 end place straight line parallels in rotating shaft 31, second close the door arm 43 along cross out to second open the door arm 42 outsides and with second open the door arm 42 at a distance of the first interval, second arm 42 and second that opens the door is closed the door and is formed and preset angle α between arm 43.
Particularly, two door-plates can be hinged on respectively the relative both sides of discharging hatch, as shown in Figures 3 and 4, and the form that the top of door-plate 20 and car body are hinged; Four-bar mechanism can adopt the conventional version in this area, can comprise: rotating shaft 31, comprise that fixed cover is located at the fork 32 in rotating shaft 31, fork 32 two ends hinged first connecting rod 33 and second connecting rod 34 respectively, the end of first connecting rod 33 and second connecting rod 34 can be hinged with two door-plates 20 respectively; Wherein, the size relationship of rotating shaft 31, fork 32, first connecting rod 33 and second connecting rod 34 and relative position can meet four-bar mechanism during in dead center position two door-plates just close, close discharging hatch, and closed condition; And in the time that rotating shaft 31 for example, is rotated with first direction (clockwise direction) by above-mentioned position, two door-plate 20 upsets open, make discharging hatch to expose, i.e. opening.
When the railway truck opening and closing discharging door actuating device that the present embodiment provides uses, can arrange respectively in the both sides of car body service direction relative, meet and discuss for touching respectively above-mentioned first arm 41 and second the opening the door of arm 42 of opening the door of opening the door, and a side arranges one for touching the second pass doorstop of closing the door arm 43 therein, and this opens the door to meet and discuss and is positioned at the front of closing doorstop service direction, so that car body first meets with opening the door to meet and discuss.
A kind of situation is, railway truck is provided with the mode of meeting and discussing and close doorstop one side of opening the door simultaneously and sails unloading track into second arm 42 and second arm 43 correspondences of closing the door of opening the door, second arm 42 that opens the door first touches to open the door and meets and discusses, and under this opens the door the triggering of meeting and discussing, trigger rotating shaft 31 with first direction rotation, thereby door-plate 20 is opened gradually; Railway truck continues slowly to travel, after the first unloading distance, second closes the door arm contact to being positioned at the pass doorstop in homonymy front of meeting and discussing of opening the door, at the triggering lower rotary shaft 31 of this pass doorstop with the direction rotation contrary with first direction, thereby drive door-plate to revert to original closed condition, complete a side dumping goods.
Another kind of situation is, railway truck is provided with the mode of meeting and discussing and close doorstop one side of opening the door simultaneously and sails unloading track into first arm 41 correspondences of opening the door, first arm 41 that opens the door first touches to open the door and meets and discusses, and under this opens the door the triggering of meeting and discussing, trigger rotating shaft 31 with first direction rotation, thereby door-plate 20 is opened gradually; Because the second close the door 43 correspondences of arm and another is only provided with a side of closing doorstop, when continuing to move to, railway truck opens the door while meeting and discussing the doorstop place, pass in front, second close the door 43, arm just run into this side only one close doorstop, with the direction rotation contrary with first direction, and then drive door-plate to get back to original closed condition at the triggering lower rotary shaft 31 of this pass doorstop.
As can be seen here, the railway truck opening and closing discharging door actuating device that the present embodiment provides in use, without limiting first arm and second arm and the bottom surface corresponding relation of meeting and discussing and closing doorstop that opens the door that opens the door that opens the door, can realize equally triggering reliably after door-plate is opened and trigger again door-plate and close, greatly facilitate unloading operation, also effectively improved rate of discharging.
Another embodiment of the present invention provides a kind of railway truck, comprise: underframe and be arranged on the car body on underframe, vehicle bottom is provided with discharging hatch, on discharging hatch, be provided with two door-plates for shutoff discharging hatch, also comprise arranging being fixedly installed on railway truck opening and closing discharging door actuating device on car body bottom surface, as above; In railway truck opening and closing discharging door actuating device, the rotating shaft of four-bar mechanism is across being arranged on car body bottom surface, and rotating shaft two ends extend to respectively car body both sides, so that first arm that opens the door of rotating shaft one end is positioned at the first side of car body, second arm and second arm of closing the door that opens the door is positioned at the second side of car body simultaneously.
Corresponding, further embodiment of this invention also provides a kind of ground emptying equipment that is used to above-mentioned railway truck unloading, please refer to Fig. 2 and Fig. 5, comprise: the unloading rail of longitudinal extension, 10, unloading track 10 both sides be oppositely arranged be respectively useful on trigger 31 rotating shafts with first direction T1(as described in Figure 6) rotation first close doorstop 51 and second close doorstop 52, closing doorstop 52 first unloading distances at fore-and-aft distance second is provided with for triggering rotating shaft 31 and opens the door and meet and discuss 53 with second of the direction rotation contrary with first direction T1, second closes doorstop 52 is positioned at second 53 outsides of meeting and discussing of opening the door, and the second pass doorstop 52 and second is opened the door to meet and discuss and is matched along distance H and above-mentioned the first interval transversely between 53, mate along horizontal range difference with second arm 42 and second arm 43 ends of closing the door that open the door, thereby make second arm 42 that opens the door can trigger second and open the door and meet and discuss 53, and then drive rotating shaft 31 to rotate along first direction, second arm 43 of closing the door can contact second and closes and meet and discuss 52, to drive rotating shaft along the direction rotation contrary with first direction.
First closes doorstop 51 and second 52 unloading track 10 distances of meeting and discussing of closing the door equates, about unloading Orbital Symmetry; Second opens the door meets and discusses and 53 and second closes doorstop 52 tops and form respectively in the same direction second guiding surface and second guiding surface of closing the door that opens the door tilting.
Fig. 6 is that railway truck triggers the principle schematic that door-plate is opened in the time that the first service direction F1 in Fig. 5 enters unloading track; As shown in Figure 5 and Figure 6, in the time that railway truck sails unloading track 10 into the first service direction F1, second arm 42 that opens the door contacts second and opens the door and meet and discuss 53, and the guiding surface that opens the door along second of top moves, in this process, trigger second and open the door arm 42 around the shaft 31 along first direction T1(cw) rotation, the rotation of rotating shaft 31 drives two door-plates upsets to open; In this simultaneously, second arm 43 of closing the door turns over identical angle, the final door opening state forming as shown in Figure 7 with second arm 42 that opens the door too.
As shown in Figure 7, in the time that railway truck continues to move to the second doorstop 52 place, pass along the first service direction F1, doorstop 52 is closed in second 43, the arm contact second of closing the door, and the guiding surface of closing the door along second of top moves, in this process, trigger second open the door arm 42 around the shaft 31 reverse (conter clockwise) along first direction T1 rotation, thereby drive two door-plates close.
As shown in Figure 8 and Figure 9, and in the time sailing unloading track 10 into the first service direction F1 after railway truck Rotate 180 degree, its first 41, arm that opens the door first contacts second and opens the door and meet and discuss 53, and the guiding surface that opens the door along second of top moves, open the door arm 42 around the shaft 31 along first direction T1(cw thereby trigger second) rotate and drive two door-plates to overturn and open; When railway truck continues along the first service direction F1 operation, doorstop 51 is closed in second 43, the arm contact first of closing the door, and the guiding surface of closing the door along second of top moves, in this process, trigger second open the door arm 42 around the shaft 31 reverse (conter clockwise) along first direction T1 rotation, thereby drive two door-plates close.Realize thus railway truck any side no matter and arrange second simultaneously and open the door and meet and discuss 53 and mode corresponding to the second pass doorstop 52 1 sides while travelling, all can realize and trigger reliably door-plate and first open afterwards and close.
Preferably, above-mentioned first arm 41, second arm 42 and second that opens the door that opens the door is closed arm 43 ends and can form respectively the axle 410 of horizontal expansion, in axle 410, be arranged with rotatable roller 411, so that roller 411 can turn perpendicular to the plane internal rotation of rotating shaft 31, in the time that contact is met and discussed, the friction that effectively reduces and meet and discuss between surface, guarantees that triggering door-plate in time, reliably opens or closes, and reduce wearing and tearing, increase the service life.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (7)
1. a railway truck opening and closing discharging door actuating device, comprise: for the four-bar mechanism that drives two door-plates to open and close, described four-bar mechanism comprises for the rotating shaft across being arranged at car body bottom surface, it is characterized in that, described rotating shaft one end is fixedly installed to be useful on triggers first arm that opens the door that described rotating shaft is rotated with first direction, and the other end of described rotating shaft is fixedly installed and is useful on the second the open the door arm and for triggering second the close the door arm of described rotating shaft to rotate in the opposite direction with described first party that triggers that described rotating shaft rotates with first direction; The described first open the door arm and second open the door arm end place straight line parallel and described rotating shaft, described second close the door arm along cross out to described second open the door arm outside and with described second open the door arm at a distance of the first interval, described second arm and described second that opens the door is closed the door and is formed and preset angle between arm.
2. railway truck opening and closing discharging door actuating device according to claim 1, is characterized in that, described first arm, second arm and second that opens the door that opens the door is closed arm end and form respectively the axle of horizontal expansion, is arranged with rotatable roller in described axle.
3. railway truck opening and closing discharging door actuating device according to claim 1, it is characterized in that, described four-bar mechanism also comprises that fixed cover is located at the fork in described rotating shaft, described fork two ends are hinged first connecting rod and second connecting rod respectively, and the end of described first connecting rod and second connecting rod is hinged with two described door-plates respectively.
4. a railway truck, comprise: underframe and be arranged on the car body on described underframe, described vehicle bottom is provided with discharging hatch, on described discharging hatch, be provided with two door-plates for discharging hatch described in shutoff, it is characterized in that, also comprise the railway truck opening and closing discharging door actuating device being fixedly installed on as described on described car body bottom surface, as arbitrary in claim 1-3 is set; In described railway truck opening and closing discharging door actuating device, the rotating shaft of four-bar mechanism is across being arranged on described car body bottom surface, and described rotating shaft two ends extend to respectively car body both sides.
5. one kind is used to the ground emptying equipment of railway truck unloading claimed in claim 4, it is characterized in that, comprise: the unloading track of longitudinal extension, is oppositely arranged respectively in the both sides of described unloading track to be useful on and triggers first pass doorstop and the second pass doorstop of described rotating shaft with first direction rotation; Described in fore-and-aft distance, second closing doorstop first distance of unloading and be provided with for triggering described rotating shaft and open the door and meet and discuss with second of the direction rotation contrary with described first direction, described second closes doorstop is positioned at described second outside of meeting and discussing of opening the door, and described second close doorstop and described second open the door meet and discuss between distance and described the first interval transversely, edge match.
6. ground according to claim 5 emptying equipment, is characterized in that, described the first pass doorstop and second is closed doorstop and equated to described unloading orbital distance.
7. ground according to claim 5 emptying equipment, is characterized in that, described second opens the door meets and discusses and second closes doorstop top and form respectively in the same direction second guiding surface and second guiding surface of closing the door that opens the door tilting.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410068799.8A CN103786735B (en) | 2014-02-27 | 2014-02-27 | Opening and closing drive device of wagon unloading door, wagon and ground unloading device |
| PCT/CN2014/081108 WO2015127738A1 (en) | 2014-02-27 | 2014-06-30 | Opening and closing drive apparatus of unloading door of wagon, wagon, and ground unloading apparatus |
| AU2014351103A AU2014351103B2 (en) | 2014-02-27 | 2014-06-30 | Opening and closing device of discharge door of railway wagon, railway wagon and ground unloading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410068799.8A CN103786735B (en) | 2014-02-27 | 2014-02-27 | Opening and closing drive device of wagon unloading door, wagon and ground unloading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103786735A true CN103786735A (en) | 2014-05-14 |
| CN103786735B CN103786735B (en) | 2017-01-18 |
Family
ID=50662923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410068799.8A Active CN103786735B (en) | 2014-02-27 | 2014-02-27 | Opening and closing drive device of wagon unloading door, wagon and ground unloading device |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN103786735B (en) |
| AU (1) | AU2014351103B2 (en) |
| WO (1) | WO2015127738A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104163177A (en) * | 2014-08-05 | 2014-11-26 | 南车眉山车辆有限公司 | Railway funnel vehicle bottom door opening and closing system |
| 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 |
| CN104309614A (en) * | 2014-10-15 | 2015-01-28 | 南车眉山车辆有限公司 | One-way automatic-discharging hopper wagon |
| CN104401338A (en) * | 2014-11-12 | 2015-03-11 | 南车眉山车辆有限公司 | Bottom door opening and closing system of railway hopper vehicle |
| WO2015127738A1 (en) * | 2014-02-27 | 2015-09-03 | 齐齐哈尔轨道交通装备有限责任公司大连研发中心 | Opening and closing drive apparatus of unloading door of wagon, wagon, and ground unloading apparatus |
| CN105752092A (en) * | 2016-04-18 | 2016-07-13 | 中国神华能源股份有限公司 | Detraining system and method for bottom-door train |
| CN107521523A (en) * | 2017-07-13 | 2017-12-29 | 中车长江车辆有限公司 | A kind of system for controlling railway freight-car opening and closing |
| 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 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107628047B (en) * | 2017-09-27 | 2023-07-18 | 株洲华盛实业有限公司 | Method and mechanism for opening and closing folding movable top cover of railway freight open wagon |
| RU2767840C1 (en) * | 2021-08-20 | 2022-03-22 | Общество с ограниченной ответственностью "Первый промышленный оператор" (ООО "ППО") | Hopper car |
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| CN103264706B (en) * | 2013-05-20 | 2016-08-10 | 中车长江车辆有限公司 | Bottom door opening and closing mechanism |
| CN103786735B (en) * | 2014-02-27 | 2017-01-18 | 中车齐齐哈尔车辆有限公司 | Opening and closing drive device of wagon unloading door, wagon and ground unloading device |
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2014
- 2014-02-27 CN CN201410068799.8A patent/CN103786735B/en active Active
- 2014-06-30 AU AU2014351103A patent/AU2014351103B2/en active Active
- 2014-06-30 WO PCT/CN2014/081108 patent/WO2015127738A1/en not_active Ceased
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| US3314558A (en) * | 1965-02-17 | 1967-04-18 | Continental Transp Appliances | System for automatically operating discharge doors of railway cars |
| US3459316A (en) * | 1967-10-31 | 1969-08-05 | Acf Ind Inc | Means for automatically operating bottom hopper discharge doors during travel of railway cars |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015127738A1 (en) * | 2014-02-27 | 2015-09-03 | 齐齐哈尔轨道交通装备有限责任公司大连研发中心 | Opening and closing drive apparatus of unloading door of wagon, wagon, and ground unloading apparatus |
| CN104163177A (en) * | 2014-08-05 | 2014-11-26 | 南车眉山车辆有限公司 | Railway funnel vehicle bottom door opening and closing system |
| 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 |
| CN104309614A (en) * | 2014-10-15 | 2015-01-28 | 南车眉山车辆有限公司 | One-way automatic-discharging hopper wagon |
| CN104401338A (en) * | 2014-11-12 | 2015-03-11 | 南车眉山车辆有限公司 | Bottom door opening and closing system of railway hopper vehicle |
| CN104401338B (en) * | 2014-11-12 | 2016-08-17 | 中车眉山车辆有限公司 | A kind of bottom door of railway hopper car open and close system |
| CN105752092A (en) * | 2016-04-18 | 2016-07-13 | 中国神华能源股份有限公司 | Detraining system and method for bottom-door train |
| CN105752092B (en) * | 2016-04-18 | 2018-05-01 | 中国神华能源股份有限公司 | A kind of bottom enabling train unloading system and method |
| CN107521523A (en) * | 2017-07-13 | 2017-12-29 | 中车长江车辆有限公司 | A kind of system for controlling railway freight-car opening and closing |
| CN107521523B (en) * | 2017-07-13 | 2019-08-20 | 中车长江车辆有限公司 | A kind of system of control railway freight-car opening and closing |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2014351103B2 (en) | 2016-03-03 |
| CN103786735B (en) | 2017-01-18 |
| AU2014351103A1 (en) | 2015-09-10 |
| WO2015127738A1 (en) | 2015-09-03 |
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Address after: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Applicant after: CRRC QIQIHAR VEHICLE CO., LTD. Address before: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Applicant before: Qiqihar Railway Rolling Stock Co., Ltd. |
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