CN201553148U - Pneumatic control device of switching mechanism for bottom door of rail hopper car - Google Patents
Pneumatic control device of switching mechanism for bottom door of rail hopper car Download PDFInfo
- Publication number
- CN201553148U CN201553148U CN2009202302458U CN200920230245U CN201553148U CN 201553148 U CN201553148 U CN 201553148U CN 2009202302458 U CN2009202302458 U CN 2009202302458U CN 200920230245 U CN200920230245 U CN 200920230245U CN 201553148 U CN201553148 U CN 201553148U
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- Prior art keywords
- valve
- block valve
- discharging
- retaining
- bottom door
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Abstract
The utility model relates to a pneumatic control device of a switching mechanism for a bottom door of a rail hopper car. The pneumatic control device is composed of a change valve, a front block valve, a rear block valve, a piping system, a feeding pit collision block and a discharging pit collision block, wherein the change valve, the front block valve, the rear block valve and the piping system are arranged at the bottom of a body of the rail hopper car; the feeding pit collision block and the discharging pit collision block are arranged at the ground; and the front block valve, the change valve and the rear block valve are sequentially arranged at one side of the bottom of the body of the rail hopper car. The front block valve and the rear block valve are connected in parallel and then are connected with the change valve in series; and a gas outlet of the change valve is communicated with two chambers of a cylinder of the switching mechanism for the bottom door respectively. The two ends of one side of a discharging pit are provided with the feeding pit collision block and the discharging pit collision block to control the reversing of a gas inlet course and a gas outlet course of the cylinder of the switching mechanism for the bottom door, so as to control the switching mechanism for the bottom door to unload goods automatically under the loaded car state and to close automatically under the empty car state. The pneumatic control device has high unloading efficiency, simple ground supporting facility and safe and reliable vehicle running, and can be provided with the feeding pit collision block and the discharging pit collision block at the two sides of the track correspondingly, so that the vehicle can enter the dumping ground without limit, so as to be convenient for train formation.
Description
Technical field
The utility model relates to the bottom door of railway hopper car switching mechanism, refers to a kind of bottom door of railway hopper car switching mechanism gas control device particularly.
Background technology
At present, the mode of bottom door of railway hopper car switching mechanism mainly contains two kinds, first kind is to adopt pressurized air that locomotive provides as propulsion source, adjusting valve by manual control to wind comes control drive mechanism to realize the unlatching and the closure of bottom door, this mode need be stopped when unloading, rely on manual operation to open and close bottom door, rate of discharging is lower; Second kind is to adopt the Purely mechanical crash device to realize the unlatching and the closure of bottom door, this mode can drive-through dumping, rate of discharging is higher, but behind wheel wear, door closing force sharply increases, and easily causes switching mechanism to damage, and vehicle enters the unloading site orientation and is restricted, can only enter the unloading of unloading place from a direction, be not easy to train marshalling list.
Summary of the invention
The purpose of this utility model will provide a kind of and can close the door automatically under unloading, the complete vehicle curb condition automatically, also can guarantee that vehicle enters orientation unrestricted bottom door of railway hopper car switching mechanism gas control device when unloading the place exactly under the loaded vehicle state.
For achieving the above object, this bottom door of railway hopper car switching mechanism gas control device is by the change-over valve that is installed on hopper car car body bottom, preceding block valve, back block valve, piping and be installed on ground-surface charging hole and bump retaining and discharging hole and bump retaining and constitute, and preceding block valve, change-over valve and back block valve are arranged in a side of hopper car car body bottom successively.By the connection of piping, preceding block valve and back block valve be by connecting with change-over valve after the piping parallel connection, and the air extractor duct of change-over valve is communicated with upper and lower two chambeies of bottom door opening and closing mechanism cylinder respectively.Retaining is bumped in charging hole and the two ends that retaining is installed on discharging pit one side are respectively bumped in the discharging hole, the charging hole bump retaining and discharging hole bump between the retaining mounting distance greater than preceding block valve and after mounting distance between the block valve.Before block valve, change-over valve and back block valve bump retaining and discharging hole with the charging hole respectively in the orbiting of hopper car car body in order during by way of discharging pit and bump retaining and collide, the commutation of the turnover gas circuit of control bottom door opening and closing mechanism cylinder, thus control bottom door opening and closing mechanism is closing the door under unloading, the complete vehicle curb condition under the loaded vehicle state automatically automatically.
The orientation is unrestricted when guaranteeing that vehicle enters the discharging place, and the corresponding charging hole that oppositely is provided with is bumped retaining and discharging and cheated and bump retaining at the two ends of discharging pit opposite side.The charging of discharging pit both sides hole is bumped retaining and discharging and is cheated and bump retaining and control unlatching and the closure that enters the hopper car bottom door in discharging place from both direction respectively.
The beneficial effects of the utility model are:
1, this bottom door of railway hopper car switching mechanism gas control device bumps retaining and discharging hole by block valve, change-over valve and charging hole and bumps retaining and cooperates, has realized that bottom door opening and closing mechanism unloading automatically under the loaded vehicle state, closing the door the rate of discharging height automatically under the complete vehicle curb condition;
2, the ground auxiliary facility is simple, the Infrastructure less investment, and operation cost is low;
3, vehicle operating is safe and reliable.Only locomotive to the pipeline air feed and when opening block valve, change-over valve bottom door just can open;
4, the track both sides are corresponding is provided with that retaining is bumped in charging hole and retaining is bumped in the discharging hole, and it is unrestricted that vehicle enters the discharging site orientation, makes things convenient for train marshalling list.
Description of drawings
Fig. 1 is installed in the annexation scheme drawing of the parts on the hopper car car body bottom for gas control device of the present utility model;
Fig. 2 concerns scheme drawing for gas control device of the present utility model is installed in ground position component;
Fig. 3 is the air operated control schematic diagram of gas control device of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
The annexation that is installed in the parts on the hopper car car body bottom as shown in Figure 1, preceding block valve 2, change-over valve 1 and back block valve 3 are installed on a side of hopper car car body bottom successively.Be installed in ground position component relation as shown in Figure 2, be provided with at the two ends of a side of discharging pit 11 that retaining 6 is bumped in the charging hole and retaining 9 is bumped in the discharging hole, correspondingly at the two ends of the opposite side of discharging pit 11 be provided with oppositely that retaining 6 is bumped in the charging hole and retaining 9 is bumped in the discharging hole, retaining 6 is bumped in the charging hole of both sides and the bottom door opening and closing that retaining 9 is controlled the both direction operational vehicle is respectively bumped in the discharging hole.Charging hole is bumped retaining 6 and discharging hole and is bumped mounting distance between the retaining 9 greater than the mounting distance between preceding block valve 2 and the back block valve 3.Before block valve 2, change-over valve 1 and back block valve 3 at the hopper car car body along A to operation during by way of discharging pit 11, bump retaining 6 and discharging hole with the charging hole of homonymy respectively in order and bump retaining 9 and collide.
The air operated control principle of bottom door of railway hopper car switching mechanism gas control device as shown in Figure 3, preceding block valve 2 and back block valve 3 pass through to connect with change-over valve 1 after piping 4 parallel connections, and two air extractor ducts of change-over valve 1 are communicated with two chambeies of four bottom door opening and closing mechanism cylinders 5 respectively.In parallel between four bottom door opening and closing mechanism cylinders 5, change-over valve 1 is controlled 5 actions of four bottom door opening and closing mechanism cylinders simultaneously.
When vehicle moved under state is closed the door in heavy duty, pneumatic pipeline was in the position of closing the door.Roller on the current block valve 2 runs into the charging hole and bumped retaining at 6 o'clock, moves on the spool of preceding block valve 2, and the path that preceding block valve 2 and change-over valve are 1 is opened.When vehicle continues operation, when the roller on the change-over valve 1 and charging hole is bumped retaining 6 and is collided, move on the spool of change-over valve 1, the path that opens the door between change-over valve 1 and the bottom door opening and closing mechanism cylinder 5 is opened, the cylinder 5 epicoeles ventilation of bottom door opening and closing mechanism, piston stretches out, and drives bottom door opening and closing mechanism 7 clockwise directions and rotates, and bottom door 8 relies on gravity to open automatically.Because back block valve 3 is in parallel with preceding block valve 2, when vehicle continues operation, when the roller on the back block valve 3 and charging hole is bumped retaining 6 and is collided, move on the spool of back block valve 3, at this moment, preceding block valve 2, back block valve 3 all are communicated with change-over valve 1, and pneumatic pipeline is in the position of opening the door, and vehicle transfers unloaded door opening state operation to.
Vehicle continues ahead running at unloaded door opening state lower edge track 10, and roller on the preceding block valve 2 and discharging hole are bumped retaining 9 and collided, and the spool of preceding block valve 2 moves down, and the path that preceding block valve 2 and change-over valve are 1 blocks.When vehicle continues operation, roller on the change-over valve 1 and discharging hole are bumped retaining 9 and are collided, the spool of change-over valve 1 moves down, the air feed path is realized commutation, because the path that back block valve 3 and change-over valve are 1 is still unimpeded, pressure air enters bottom door opening and closing mechanism cylinder 5 cavity of resorptions, piston-retraction by the change-over valve 1 after commutating, drive bottom door opening and closing mechanism 7 anticlockwise motions, realization bottom door 8 is closed and is resetted.Vehicle continues operation, and roller on the back block valve 3 and discharging hole are bumped retaining 9 and collided, and move on the spool of back block valve 3, close the path of 1 of back block valve 3 and change-over valve, and promptly pneumatic pipeline is got back to the position of closing the door.
Claims (3)
1. bottom door of railway hopper car switching mechanism gas control device, it is characterized in that: it comprises change-over valve (1), preceding block valve (2), back block valve (3), the piping (4) that is installed on hopper car car body bottom, and be installed on ground charging hole and bump retaining (6) and discharging and cheat and bump retaining (9), block valve (2), change-over valve (1) and back block valve (3) are arranged in a side of hopper car car body bottom successively before described, and described preceding block valve (2) and back block valve (3) are connected with change-over valve (1) by after piping (4) parallel connection again; Two air extractor ducts of described change-over valve (1) are communicated with upper and lower two chambeies of bottom door opening and closing mechanism cylinder (5) respectively; Retaining (6) is bumped in described charging hole and the two ends that retaining (9) is installed on discharging pit (11) one sides are respectively bumped in the discharging hole, described charging hole is bumped retaining (6) and discharging hole and is bumped mounting distance between the retaining (9) greater than the mounting distance between preceding block valve (2) and the back block valve (3), described before block valve (2), change-over valve (1) and after block valve (3) move when discharging pit (11) in order respectively to cheat along track (10) at the hopper car car body and bump retaining (6) and discharging and cheat and bump retaining (9) and collide and cooperate with charging.
2. bottom door of railway hopper car switching mechanism gas control device according to claim 1 is characterized in that: two air extractor ducts of described change-over valve (1) are communicated with upper and lower two chambeies of a plurality of bottom door opening and closing mechanism's cylinders (5) respectively.
3. bottom door of railway hopper car switching mechanism gas control device according to claim 1 and 2 is characterized in that: the two ends of described discharging pit (11) opposite side oppositely are provided with charging hole and bump retaining (6) and discharging and cheat and bump retaining (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202302458U CN201553148U (en) | 2009-11-24 | 2009-11-24 | Pneumatic control device of switching mechanism for bottom door of rail hopper car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202302458U CN201553148U (en) | 2009-11-24 | 2009-11-24 | Pneumatic control device of switching mechanism for bottom door of rail hopper car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201553148U true CN201553148U (en) | 2010-08-18 |
Family
ID=42612824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202302458U Expired - Lifetime CN201553148U (en) | 2009-11-24 | 2009-11-24 | Pneumatic control device of switching mechanism for bottom door of rail hopper car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201553148U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104875757A (en) * | 2015-06-11 | 2015-09-02 | 南车长江车辆有限公司 | Bottom door clearance adjustment mechanism and hopper car |
| CN104875756A (en) * | 2015-06-11 | 2015-09-02 | 南车长江车辆有限公司 | Linked bottom door opening and closing mechanism and hopper car |
-
2009
- 2009-11-24 CN CN2009202302458U patent/CN201553148U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104875757A (en) * | 2015-06-11 | 2015-09-02 | 南车长江车辆有限公司 | Bottom door clearance adjustment mechanism and hopper car |
| CN104875756A (en) * | 2015-06-11 | 2015-09-02 | 南车长江车辆有限公司 | Linked bottom door opening and closing mechanism and hopper car |
| CN104875757B (en) * | 2015-06-11 | 2017-10-03 | 中车长江车辆有限公司 | A kind of bottom door clearance adjustment mechanism and hopper wagon |
| CN104875756B (en) * | 2015-06-11 | 2017-10-31 | 中车长江车辆有限公司 | A kind of coordinated type bottom door opening and closing mechanism and hopper wagon |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100818 |
|
| CX01 | Expiry of patent term |