CN104228855A - Bottom door opening and closing system for railroad hopper car - Google Patents
Bottom door opening and closing system for railroad hopper car Download PDFInfo
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- CN104228855A CN104228855A CN201410451675.8A CN201410451675A CN104228855A CN 104228855 A CN104228855 A CN 104228855A CN 201410451675 A CN201410451675 A CN 201410451675A CN 104228855 A CN104228855 A CN 104228855A
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- door
- connecting rod
- bottom door
- ground
- transmission shaft
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Abstract
The invention discloses a bottom door opening and closing system for a railroad hopper car. The bottom door opening and closing system comprises a bottom door opening and closing mechanism, a ground door opening touch table and ground door closing touch tables, wherein the bottom door opening and closing mechanism comprises a transmission shaft, a toggle linkage, a first connecting rod, a second connecting rod, a first door opening arm, a second door opening and closing arm and a bottom door; the transmission shaft is fixedly connected with a frame; the toggle linkage is arranged on the transmission shaft; one end of the first connecting rod and one end of the second connecting rod are respectively hinged to the toggle linkage, and the other ends of the first and second connecting rods are respectively hinged to the outer side of the corresponding bottom door; one side of the bottom door is hinged to the bottom of the railroad hopper car; the first door opening arm and the second door opening and closing arm are arranged at two ends of the transmission shaft; the bottom door, the first connecting rod, the second connecting rod and the toggle linkage form a four bar mechanism; the ground door opening touch table and a ground door closing touch table are arranged on the left side of the train operation direction; another ground door closing touch table is arranged on the right side of the train operation direction. The bottom door opening and closing system can realize the opening and the closing of the bottom door when the No.1 position end or the No.2 position end of a train is positioned at the front end of the train operation direction.
Description
Technical field
The present invention relates to railway hopper car technical field, particularly a kind of bottom door of railway hopper car open and close system.
Background technology
Railway hopper car is mainly used in the transport of the loose shape goods such as bulk grain, rock ballast, coal, the shape goods that falls apart during unloading relies on self gravitation effect automatically to flow out from the bottom door of hopper car, and its shipping mass is higher, can shorten duration of handling, accelerating vehicle turnover, improve handling labor condition, reduce traffic cost.Bottom door opening and closing mechanism is the critical component ensureing that railway hopper car is normally unloaded, should opening and closing operations power just, stable performance, there is corresponding auto-lock function again, avoid in transportation because the reason generation bottom doors such as vibration are opened from the bottom door mal opened or cause due to other factors.But the necessary unidirectional operation of vehicle, be unfavorable for that user organizes into groups vehicle, and door opening function realizes in vehicle both sides with function of closing the door, surface facility complicated layout, is unfavorable for safeguarding.
Chinese Patent Application No. be 201310187876.7 patent application provide a kind of hopper wagon bottom door method for opening and closing, when one, vehicle end is in front operation, there is certain risk in the method, specifically be summarized as follows: empty wagons operating mode, or under goods such as to freeze at the extreme operating condition, after bottom door is opened, goods not with under unload, bottom door after opening, encounter yielding rubber link stopper, under its elastic force effect, main shaft can turn round certain angle along direction of closing the door, the operation and vehicle goes ahead, when close the door revolution of arm to vertical mutually concordant with enabling platform cantilever time, if now close gate arm just longitudinally moving to enabling platform cantilever place, then both can collide, accessory is caused to damage, impact is produced.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of bottom door of railway hopper car open and close system.
For solving the problems of the technologies described above, the invention provides bottom door of railway hopper car open and close system, it comprises bottom door opening and closing mechanism, touching platform is opened the door on ground and close the door touching platform in ground;
Wherein, bottom door opening and closing mechanism comprises transmission shaft, toggle linkage, first connecting rod, second connecting rod, the first enabling arm, second switch gate arm and bottom door; Described transmission shaft is fixedly connected with vehicle frame; Described toggle linkage is arranged on described transmission shaft; One end of described first connecting rod and second connecting rod is hinged with described toggle linkage respectively, and the other end is hinged with the outside of corresponding bottom door respectively; Described bottom door side is hinged on bottom hopper car; Described first enabling arm, second switch gate arm are arranged on described transmission shaft two ends respectively; Described bottom door, first connecting rod, second connecting rod and toggle linkage form four-bar linkage; On the left of current of traffic, arrange to close the door touching platform in open the door touching platform, a set of described ground, a set of described ground, a set of ground is set on the right side of current of traffic and closes the door touching platform;
When one, vehicle end is in current of traffic front end, opened the door by described first enabling arm and described ground and touch platform and contact, thus make the transmission shaft of formation four-bar linkage, toggle linkage, first connecting rod and second connecting rod generation cw or counterclockwise movement, bottom door is opened; Closed the door by described second switch gate arm and described ground and touch platform and contact, thus make the transmission shaft of formation four-bar linkage, toggle linkage, first connecting rod and second connecting rod generation cw or counterclockwise movement, bottom door is closed;
When vehicle “A” end of car is in current of traffic front end, opened the door by the enabling arm of described second switch gate arm and described ground and touch platform and contact, thus make the transmission shaft of formation four-bar linkage, toggle linkage, first connecting rod and second connecting rod generation cw or counterclockwise movement, bottom door is opened; Closed the door by described second switch gate arm and described ground and touch platform and contact, thus make the transmission shaft of formation four-bar linkage, toggle linkage, first connecting rod and second connecting rod generation cw or counterclockwise movement, bottom door is closed.
Bottom door of railway hopper car open and close system provided by the invention, arranges the first enabling arm (single armed) in bottom door main shaft side; At opposite side, second switch gate arm (both arms) is set, make vehicle can two way, namely one, vehicle end all can realize the open and close of bottom door in the front end of current of traffic at the front end of current of traffic or vehicle “A” end of car, avoid train when an end travels, the pass gate arm do not caused thereupon unloading due to goods and enabling platform cantilever collide and cause the problem of failsafety simultaneously.Meanwhile, owing to achieving two-way enforcement, marshalling station need not arrange loop wire, is undertaken sauntering putting marshalling, be very easy to the use of user by hump;
Accompanying drawing explanation
The structural representation of the bottom door of railway hopper car open and close system that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the first enabling arm that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the second switch gate arm that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the ground enabling touching platform that Fig. 4 provides for the embodiment of the present invention;
Fig. 5 is for ground that the embodiment of the present invention provides closing the door the structural representation of touching platform;
Close the door touching platform arrangement plan in open the door touching platform and ground, the ground that Fig. 6 provides for the embodiment of the present invention.
Detailed description of the invention
A kind of bottom door of railway hopper car open and close system that the embodiment of the present invention provides, comprises bottom door opening and closing mechanism, touching platform is opened the door on ground and close the door touching platform in ground.Wherein, shown in Fig. 1-5, the bottom door opening and closing mechanism that the embodiment of the present invention provides, comprises transmission shaft 1, toggle linkage 3, first connecting rod 8, second connecting rod 2, first enabling arm 9, second switch gate arm 7a and bottom door 4; Transmission shaft 1 is fixedly connected with vehicle frame; Toggle linkage 3 is welded on transmission shaft 1; One end of first connecting rod 8 and second connecting rod 2 is hinged with toggle linkage 3 respectively, and the other end is hinged with the outside folding of corresponding bottom door 4 respectively; Bottom door 4 side to be hinged on bottom hopper car on bottom door folding seat; First enabling arm 9, second switch gate arm 7a are arranged on transmission shaft 1 two ends respectively; Bottom door 4, first connecting rod 8, second connecting rod 2 and toggle linkage 3 form four-bar linkage.Toggle linkage 3 can be " S " type.First enabling arm 9 comprises enabling handle 9a, and enabling handle 9a is provided with roller.Enabling handle 9a is fixedly connected with transmission shaft 1.Second switch gate arm 7a comprises enabling handle 7 and closes door handle 6.Enabling handle 7 and pass door handle 6 are respectively arranged with roller.Enabling handle 7 and pass door handle 6 are fixedly connected with transmission shaft 1 respectively.See Fig. 2, the enabling handle of second switch gate arm 7a 7 with close door handle 6 handle and to misplace 90mm ~ 110mm in cross-car, angle is 75 ° ~ 85 °.Such parameter designing, ensure that opens the door with ground touches platform, close the door in ground touch platform coordinate requirement, actv. is avoided when bottom door opens the door, and closes door handle and ground and opens the door and touch the contact of platform, avoiding at bottom door at closing time, closes the door and touches the contact of platform in pass door handle and ground.
See Fig. 4, opening the door and touch platform in ground is can be " 7 " type structure.The section angle δ of ground enabling touching platform 20 is less than 20 °, notch length h=150mm ~ 300mm for being greater than 15 °.See Fig. 5, close the door and touch the parallel misalignment design of platform employing inclined-plane, rectangular triangle or ladder structure of right angle in ground, and end is provided with elastomeric element.Elastomeric element is hydraulic actuating cylinder or spring 22.Ground close the door touching platform 21 section angle γ be less than 18 ° for being greater than 11 °, horizontal parallel misalignment h '=50mm ~ 100mm.Such parameter designing, for guarantee with switch gate arm A, switch gate arm B coordinate requirement, actv. ensure that the particularity that bottom door opens and closes.
Shown in Figure 6, ground open the door touching platform 20 can arrange 1, and ground close the door touching platform 21 can be set to 2.Arrange open the door touching platform 20, ground, ground respectively to close the door touching platform 21 in the left side of current of traffic, and the right side of current of traffic is provided with another ground and closes the door relative to the close the door position of touching platform 21, the ground that left side is arranged and touch platform 21.
When one, vehicle end is in current of traffic front end, opened the door by described first enabling arm and described ground and touch platform and contact, thus make the transmission shaft of formation four-bar linkage, toggle linkage, first connecting rod and second connecting rod generation cw or counterclockwise movement, bottom door is opened; Closed the door by second switch gate arm and ground and touch platform and contact, thus make the transmission shaft of formation four-bar linkage, toggle linkage, first connecting rod and second connecting rod generation cw or counterclockwise movement, bottom door is closed.Because the first enabling arm arranged is single arm structure, so the failsafety caused with regard to energy collision free.
When vehicle “A” end of car is in current of traffic front end, opened the door by the enabling arm of described second switch gate arm and described ground and touch platform and contact, thus make the transmission shaft of formation four-bar linkage, toggle linkage, first connecting rod and second connecting rod generation cw or counterclockwise movement, bottom door is opened; Closed the door by described second switch gate arm and described ground and touch platform and contact, thus make the transmission shaft of formation four-bar linkage, toggle linkage, first connecting rod and second connecting rod generation cw or counterclockwise movement, bottom door is closed.
Bottom door of railway hopper car open and close system provided by the invention arranges enabling arm (single armed) in bottom door main shaft side; Arrange switch gate arm (both arms) at opposite side, make vehicle can two way, namely one, vehicle end all can realize the open and close of bottom door in the front end of current of traffic at the front end of current of traffic or vehicle “A” end of car.Meanwhile, owing to achieving two-way enforcement, marshalling station need not arrange loop wire, is undertaken sauntering putting marshalling, be very easy to the use of user by hump.
It should be noted last that, above detailed description of the invention is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to example to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (7)
1. a bottom door of railway hopper car open and close system, is characterized in that, comprises bottom door opening and closing mechanism, touching platform is opened the door on ground and close the door touching platform in ground;
Wherein, bottom door opening and closing mechanism comprises transmission shaft, toggle linkage, first connecting rod, second connecting rod, the first enabling arm, second switch gate arm and bottom door; Described transmission shaft is fixedly connected with vehicle frame; Described toggle linkage is arranged on described transmission shaft; One end of described first connecting rod and second connecting rod is hinged with described toggle linkage respectively, and the other end is hinged with the outside of corresponding bottom door respectively; Described bottom door side is hinged on bottom hopper car; Described first enabling arm, second switch gate arm are arranged on described transmission shaft two ends respectively; Described bottom door, first connecting rod, second connecting rod and toggle linkage form four-bar linkage; On the left of current of traffic, arrange to close the door touching platform in open the door touching platform, a set of described ground, a set of described ground, a set of ground is set on the right side of current of traffic and closes the door touching platform;
When one, vehicle end is in current of traffic front end, opened the door by described first enabling arm and described ground and touch platform and contact, thus make the transmission shaft of formation four-bar linkage, toggle linkage, first connecting rod and second connecting rod generation cw or counterclockwise movement, bottom door is opened; Closed the door by described second switch gate arm and described ground and touch platform and contact, thus make the transmission shaft of formation four-bar linkage, toggle linkage, first connecting rod and second connecting rod generation cw or counterclockwise movement, bottom door is closed;
When vehicle “A” end of car is in current of traffic front end, opened the door by the enabling arm of described second switch gate arm and described ground and touch platform and contact, thus make the transmission shaft of formation four-bar linkage, toggle linkage, first connecting rod and second connecting rod generation cw or counterclockwise movement, bottom door is opened; Closed the door by described second switch gate arm and described ground and touch platform and contact, thus make the transmission shaft of formation four-bar linkage, toggle linkage, first connecting rod and second connecting rod generation cw or counterclockwise movement, bottom door is closed.
2. bottom door opening and closing system according to claim 1, is characterized in that, institute's second switch gate arm comprises:
Enabling handle and pass door handle;
Described pass door handle and pass door handle are respectively arranged with roller;
Described enabling handle and pass door handle are fixedly connected with described transmission shaft respectively.
3. bottom door opening and closing system according to claim 2, is characterized in that:
The enabling handle of described second switch gate arm 7a and described pass door handle to misplace 90mm ~ 110mm in cross-car, and angle is 75 ° ~ 85 °.
4. bottom door opening and closing system according to claim 1, is characterized in that, opening the door and touch platform in described ground is in " 7 " type structure.
5. bottom door opening and closing system according to claim 4, is characterized in that, the section angle of described ground enabling touching platform is less than 20 °, notch length h=150mm ~ 300mm for being greater than 15 °.
6. bottom door opening and closing system according to claim 1, is characterized in that, closing the door and touch platform in described ground is rectangular triangle or ladder structure of right angle, and is provided with elastomeric element.
7. bottom door opening and closing system according to claim 6, is characterized in that, described ground close the door touching platform section angle be less than 18 ° for being greater than 11 °, horizontal parallel misalignment h '=50mm ~ 100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410451675.8A CN104228855A (en) | 2014-09-05 | 2014-09-05 | Bottom door opening and closing system for railroad hopper car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410451675.8A CN104228855A (en) | 2014-09-05 | 2014-09-05 | Bottom door opening and closing system for railroad hopper car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104228855A true CN104228855A (en) | 2014-12-24 |
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ID=52217988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410451675.8A Pending CN104228855A (en) | 2014-09-05 | 2014-09-05 | Bottom door opening and closing system for railroad hopper car |
Country Status (1)
| Country | Link |
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| CN (1) | CN104228855A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105620498A (en) * | 2015-12-25 | 2016-06-01 | 中车长江车辆有限公司 | Touch-type bottom door opening and closing mechanism |
| CN113665603A (en) * | 2021-09-07 | 2021-11-19 | 中车太原机车车辆有限公司 | Railway hopper car track inboard unloading bottom door closing mechanism |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU6515700A (en) * | 1999-08-11 | 2001-03-05 | Miner Enterprises Inc. | Locking mechanism for a hinged railroad hopper car door |
| CN102765399A (en) * | 2012-08-07 | 2012-11-07 | 南车长江车辆有限公司 | Opening-closing device for bottom door of vehicle |
| US20120285346A1 (en) * | 2011-05-11 | 2012-11-15 | National Steel Car Limited | Railroad car and door mechanism therefor |
| CN103273930A (en) * | 2013-05-20 | 2013-09-04 | 南车长江车辆有限公司 | Method for opening and closing bottom door |
| CN203306015U (en) * | 2013-06-17 | 2013-11-27 | 包头北方创业股份有限公司 | Opening/closing mechanism for bottom doors of railway funneling wagon |
| CN103786735A (en) * | 2014-02-27 | 2014-05-14 | 齐齐哈尔轨道交通装备有限责任公司 | Opening and closing drive device of wagon unloading door, wagon and ground unloading device |
| CN204196904U (en) * | 2014-09-05 | 2015-03-11 | 南车长江车辆有限公司 | Bottom door of railway hopper car open and close system |
-
2014
- 2014-09-05 CN CN201410451675.8A patent/CN104228855A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU6515700A (en) * | 1999-08-11 | 2001-03-05 | Miner Enterprises Inc. | Locking mechanism for a hinged railroad hopper car door |
| US20120285346A1 (en) * | 2011-05-11 | 2012-11-15 | National Steel Car Limited | Railroad car and door mechanism therefor |
| CN102765399A (en) * | 2012-08-07 | 2012-11-07 | 南车长江车辆有限公司 | Opening-closing device for bottom door of vehicle |
| CN103273930A (en) * | 2013-05-20 | 2013-09-04 | 南车长江车辆有限公司 | Method for opening and closing bottom door |
| CN203306015U (en) * | 2013-06-17 | 2013-11-27 | 包头北方创业股份有限公司 | Opening/closing mechanism for bottom doors of railway funneling wagon |
| CN103786735A (en) * | 2014-02-27 | 2014-05-14 | 齐齐哈尔轨道交通装备有限责任公司 | Opening and closing drive device of wagon unloading door, wagon and ground unloading device |
| CN204196904U (en) * | 2014-09-05 | 2015-03-11 | 南车长江车辆有限公司 | Bottom door of railway hopper car open and close system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105620498A (en) * | 2015-12-25 | 2016-06-01 | 中车长江车辆有限公司 | Touch-type bottom door opening and closing mechanism |
| CN113665603A (en) * | 2021-09-07 | 2021-11-19 | 中车太原机车车辆有限公司 | Railway hopper car track inboard unloading bottom door closing mechanism |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141224 |
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| RJ01 | Rejection of invention patent application after publication |