CN202439693U - Open/close control device for bottom door of railroad hopper car - Google Patents
Open/close control device for bottom door of railroad hopper car Download PDFInfo
- Publication number
- CN202439693U CN202439693U CN201220065229XU CN201220065229U CN202439693U CN 202439693 U CN202439693 U CN 202439693U CN 201220065229X U CN201220065229X U CN 201220065229XU CN 201220065229 U CN201220065229 U CN 201220065229U CN 202439693 U CN202439693 U CN 202439693U
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- China
- Prior art keywords
- valve body
- ratchet
- bottom door
- hopper car
- push
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Abstract
The utility model discloses an open/close control device for the bottom door of a railroad hopper car, comprising a valve body mounting seat, a transmission mechanism and a valve body, wherein the transmission mechanism comprises a transmission shaft, a cam, a sector gear, a ratchet wheel, a first pawl and a second pawl; the transmission shaft is mounted on the valve body mounting seat; the cam and the ratchet wheel are fixed on the transmission shaft through keys; the sector gear is sleeved on the transmission shaft in clearance fit; the first pawl is articulated with the sector gear, the second pawl is mounted on the valve body mounting seat through a pin shaft; the cam is connected with the valve body; the valve body is mounted on the valve body mounting seat; the sector gear is engaged with a push-rod type rack; the push-rod type rack penetrates through an anti-drop stop which is welded to the valve body mounting seat; a compression rod spring is wound on the push-rod type rack; a spring sleeve is sleeved on the compression rod spring; an end cover is fixed at the lower end of the valve body mounting seat; a sleeve is mounted between the anti-drop stop and the end cover; and the lower end of the push-rod type rack is connected with a roller through a pin shaft. The device is capable of prolonging the service life of the bottom door and reducing the cost while automatically opening and closing the bottom door at fixed points.
Description
Technical field
The utility model belongs to the railway hopper car technical field, is specifically related to a kind of bottom door of railway hopper car controller for opening and closing.
Background technology
The hopper car that opens the door at the bottom of the railway, its bottom door adopt pneumatic or hydraulic pressure to drive the switching of bottom door as propulsion source, require to realize the automatic reverse of gas circuit or oil circuit through the touching of control cock and ground auxiliary facility, and then reach the purpose of the automatic shutter bottom door of fixing a point.Pneumatic and control device for reversing hydraulic directional control valve have electromagnetic control type, Pneumatic-control type, people to control manual reverse of direction, people to control modes such as foot-operated, lever roller formula, time-based control, but this type of control setup all can not be realized this purpose.
Existing " the pneumatic and hydraulic directio valve control device for reversing of touch type " is the control device for reversing of a kind of gas, the control cock of surging, and belongs to pneumatic and hydraulic pressure current techique and equipment.Adopt the ground auxiliary facility to touch the depression bar mode and commutate, realize pneumatic and the commutation function hydraulic directio valve, form by valve body, valve core, hock slide block, hock push rod, depression bar, retracing spring and Pressure-bar spring etc.Commutation process is divided into four-stages such as pilot stage, transition period, translate phase, recovery phase.At initial condition, retracing spring and Pressure-bar spring receive precompressed compression and produce screen resilience, act on the end of valve core and depression bar respectively, promote valve core, depression bar etc. and automatically reset to the initialization position.When the ground auxiliary facility after depression bar applies an axle pressure greater than threshold value, outer force urges depression bar compression Pressure-bar spring and retracing spring promote hock push rod, hock slide block and valve core simultaneously and endwisely slip towards retracing spring; At diverse location; Different cooperations occurs, realize different functions, continuous mutually through each stage; Accomplish one time commutation process, realize the commutation function of direction valve.If the ground auxiliary facility is exerted pressure to depression bar once more, begin new commutation process again, go round and begin again.But this device has following shortcoming: 1. part process property is poor: the hock slide block of helical surface ratchet-type, hock push rod; Parts such as self-control valve body are for realizing its serviceability; Material, Fabricating machinery, technology and precision all there is very high requirement; For the processing of non-standard component, technology realizes particularly difficulty; Secondly, be difficult to repair after hock slide block, the abrasion of hock push rod.2. install the weak point in service life: spool is because working accuracy can't satisfy design accuracy, and it is damaged to cause seal ring to be prone at work because of shear action, and replacing frequently causes the service life of device shorter.3. production use cost is high: the use of non-standard component, the frequent change that is prone to broken consumable accessory causes this device production use cost higher.
Summary of the invention
The purpose of the utility model is for addressing the above problem a kind of bottom door of railway hopper car controller for opening and closing to be provided.This device can prolong the service life of this device in fixed point automatic shutter bottom door, reduced production cost.
The technical scheme that the utility model adopted is:
A kind of bottom door of railway hopper car controller for opening and closing comprises valve body mount pad, transmission device and valve body, and said transmission device comprises transmission shaft, cam, quadrant gear, ratchet, first ratchet and second ratchet; Said transmission shaft is installed on the said valve body mount pad, and said cam and ratchet are fixed on the transmission shaft through key, and said sector bye is enclosed within on the transmission shaft; Said first ratchet is articulated on the quadrant gear, and said second ratchet is installed on the said valve body mount pad through bearing pin, and said cam is connected with said valve body; Said valve body is installed on the said valve body mount pad, said quadrant gear and the engagement of push-down tooth bar, and said push-down tooth bar passes anti-out of supply; Said anti-out of supply being fixed on the said valve body mount pad; On the said push-down tooth bar around Pressure-bar spring, socket pogo barrel on the said Pressure-bar spring, said valve body mount pad lower end is end cap fixedly; Between the said anti-end cap out of supply and said sleeve pipe is installed, said push-down tooth bar lower end is connected with roller through bearing pin.
Further, between said pogo barrel and the sleeve pipe lining is installed.
Further, between the said quadrant gear and first ratchet first stage clip is installed.
Further, an end of said first stage clip is fixed on the said quadrant gear, and an other end contacts with said first ratchet.
Further, between the said valve body mount pad and second ratchet second stage clip is installed.
Further, an end of said second stage clip is fixed on the said valve body mount pad, and an other end contacts with said second ratchet.
Preferably, the quantity of said second stage clip is two.
Preferably, said valve body is a two-position five-way machine control valve.
Preferably, said Pressure-bar spring is a cylindroid helical-coil compression spring.
Further, said cam has the wide formula structure of many arc profiles curve.
The utlity model has following advantage:
1. highly versatile: the valve body of this device is common to two multiport valves of standard of operation under each operating mode based on the design of standard valve body.
2. optimization manufacturability: standard pinion and rack, ratchet device, cam can adopt the common apparatus manufacturing in this device, and processing technology is mature and reliable more, and working accuracy and in-use performance can reach designing requirement.
3. extension fixture service life: this device adopts mechanical transmission mechanism, can adapt to more special operating mode operating environment, cancels the use of consumable accessory, can prolong the service life of this device well.
4. reduce the production use cost: use standardized ripe part, effectively reduced processing, buying and use cost.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described further.
The structural representation of a kind of bottom door of railway hopper car controller for opening and closing that Fig. 1 provides for the utility model embodiment 1;
The structural representation of transmission device in a kind of bottom door of railway hopper car controller for opening and closing that Fig. 2 provides for the utility model embodiment 1.
The specific embodiment
See figures.1.and.2, a kind of bottom door of railway hopper car controller for opening and closing mainly is made up of valve body mount pad 2, transmission device 1 and valve body, and valve body is a two-position five-way machine control valve 10.Transmission device 1 comprises transmission shaft 17, cam 11, quadrant gear 12, ratchet 15, first ratchet 14 and second ratchet 16.Transmission shaft 17 is installed on the valve body mount pad 2; Cam 11 is fixed on the transmission shaft 17 through key with ratchet, and quadrant gear 12 skies are enclosed within on the transmission shaft 17, and first ratchet 14 is articulated on the quadrant gear 12; Second ratchet 16 is installed on the valve body mount pad 2 through bearing pin; Cam 11 is connected with valve body, and valve body is installed on the valve body mount pad 2, quadrant gear 12 and 4 engagements of push-down tooth bar.The end that first stage clip, 13, the first stage clips 13 are installed between the quadrant gear 12 and first ratchet 14 is fixed on the quadrant gear 12, and an other end contacts with first ratchet 14.Between the valve body mount pad 2 and second ratchet 16 second stage clip is installed, an end of second stage clip is fixed on the valve body mount pad 2, and an other end contacts with second ratchet 16.The quantity of second stage clip is two.
The control head of cam 11 and the two-position five-way machine control valve 10 cam pair that partners, this cam 11 is according to valve body movement travel design, has the wide formula structure of many arc profiles curve.Its two-position five-way machine control valve 10 valve core movement processes are divided into three phases: the rise phase: spool is promoted motion stage from left to right from reference position by cam 11; Stand-down far away: spool is in the dwell phase (promptly reach the forced stroke of valve body, realize gas, liquid switching-over) of maximum rise; Flyback period: spool is the return stage under arriving gradually under the effect of valve inner spring power.Go round and begin again, cam 11 is accomplished a cycle of operations and is rotated to an angle, in this way circulation.
Rack-and-gear kinematic pair structure adopts quadrant gear 12, alleviator weight; Push-down tooth bar 4 adopts tooth bar and the design of depression bar integral type, has avoided the loss of power in transmittance process, guarantees the motion accurate and effective.The extraneous axial force that quadrant gear 12 is used push-down tooth bar 4 is converted into the steady gear motion between the kinematic pair; First ratchet 14 that drive is articulated on the quadrant gear 12 rotates, and promotes the unidirectional rotation of ratchet 15 simultaneously, transfers the motion to ratchet 15 and transmission shaft 17.The effect of ratchet 15, first ratchet 14 and second ratchet 16: realize the intermittent exercise of valve body control setup, the timed motion that promptly commutates, restores.The effect of cam 11: with the valve body forced stroke is design norm, establishes the path of motion of its switching-over, recovery, sets up the cam 11 of respective profile curve, realizes the reasonable switching-over of valve body.Push-down tooth bar 4 passes anti-out of supply 3, and anti-out of supply 3 are fixed on the valve body mount pad 2.On the push-down tooth bar 4 around Pressure-bar spring.Socket pogo barrel 6 on the Pressure-bar spring.Anti-out of supply 3 limit push-down tooth bar 4 up strokes with pogo barrel 6.Pressure-bar spring is a cylindroid helical-coil compression spring 5, and its effect is: 1. buffer action: alleviate the impact of 4 bear external force of push-down tooth bar; 2. cushioning effect: alleviating exterior vibration influences the rack-and-gear ingear; 3. reset response: push-down tooth bar 4 is automatically reset to initial condition after removing the external force effect; 4. prevent misoperation: have only when the ground auxiliary facility after push-down tooth bar 4 applies the axle pressure greater than predetermined value; Push-down tooth bar 4 just can move axially; A switching-over threshold value promptly is set; Prevent that push-down tooth bar 4 and whole transmission device thereof are too responsive and misoperation occurs that maintaining body is relatively stable, guarantees the direction valve work safety.Valve body mount pad 2 lower ends are end cap 8 fixedly, anti-out of supply 3 and end cap 8 between sleeve pipe 18 is installed.Push-down tooth bar 4 lower ends are connected with roller 9 through bearing pin.The roller 9 of push-down tooth bar 4 through being mounted thereon, up under the driving of ground auxiliary facility, and then drive transmission device 1 action, behind roller 9 built on stilts auxiliary facilities, push-down gear 4 is return under the Pressure-bar spring effect.
The commutation process of this device is divided into pilot stage, transmission stage, commutation phase, four processes of reseting stage.
Initial condition: Pressure-bar spring 5 is in its pre-compressed state, and cam 11 contacts with two-position five-way machine control valve 10, is in cam 11 minimum stroke places, and spool is in the valve body left side, and bottom door is closed.
1. pilot stage: when the ground auxiliary facility to being installed on after roller 9 on the push-down tooth bar 4 applies an axle pressure greater than threshold value; Outer force urges push rod compression Pressure-bar spring 5; Driving push-down tooth bar 4 simultaneously moves axially; Because push-down tooth bar 4 is in engagement with quadrant gear 12 tooth bars, quadrant gear 12 begins to rotate.
2. transmission stage: when push-down tooth bar 4 moved axially, quadrant gear 12 rotated counterclockwise thereupon.First ratchet 14 that is articulated on the quadrant gear 12 inserts ratchet 15 teeth groove, promotes ratchet 15 and rotates counterclockwise, and ratchet 15, cam 11 adopt general flat key to be connected with transmission shaft 17, so transmission shaft 17, cam 11 and ratchet 15 rotate in the same way.
3. commutation phase: initial condition, two-position five-way machine control valve 10 spool contacts are in cam 11 stroke lowest parts under the effect of valve inner spring power; When push-down tooth bar 4 when the auxiliary facility effect is issued to range on ground, cam 11 also reaches cam 11 ranges with two-position five-way machine control valve 10 spool contact contact positions, and spool is realized switching-over along the cam 11 outline lines arrival maximum travel position of moving.
4. reseting stage: when roller 9 built on stilts auxiliary facilities; Push-down tooth bar 4 is return under the effect of Pressure-bar spring; Drive quadrant gear 12 backwards rotation, be enclosed within on the transmission shaft 15, receive the non-return effect of second ratchet 16 simultaneously because quadrant gear 12 is skies; Ratchet 15, transmission shaft 17, cam 11 all do not rotate, thereby two-position five-way machine control valve 10 does not commutate.
Have only when the vehicle ahead running is touched roller 9 once more, repeat said process, cam 11 moves to low journey by elevation, and two-position five-way machine control valve 10 just can commutate, and then realizes closing the door.
Present embodiment and embodiment 1 different being are equipped with lining 7 between pogo barrel 6 and the sleeve pipe 18.The effect of lining 7 is abrasion of leading, reduce friction and reducing pogo barrel 6.
It should be noted last that; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the spirit and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (10)
1. a bottom door of railway hopper car controller for opening and closing is characterized in that, comprises valve body mount pad, transmission device and valve body; Said transmission device comprises transmission shaft, cam, quadrant gear, ratchet, first ratchet and second ratchet, and said transmission shaft is installed on the said valve body mount pad, and said cam and ratchet are fixed on the transmission shaft through key; Said sector bye is enclosed within on the transmission shaft, and said first ratchet is articulated on the quadrant gear, and said second ratchet is installed on the said valve body mount pad through bearing pin; Said cam is connected with said valve body; Said valve body is installed on the said valve body mount pad, said quadrant gear and the engagement of push-down tooth bar, and said push-down tooth bar passes anti-out of supply; Said anti-out of supply being fixed on the said valve body mount pad; On the said push-down tooth bar around Pressure-bar spring, socket pogo barrel on the said Pressure-bar spring, said valve body mount pad lower end is end cap fixedly; Between the said anti-end cap out of supply and said sleeve pipe is installed, said push-down tooth bar lower end is connected with roller through bearing pin.
2. bottom door of railway hopper car controller for opening and closing according to claim 1 is characterized in that, between said pogo barrel and the sleeve pipe lining is installed.
3. bottom door of railway hopper car controller for opening and closing according to claim 1 is characterized in that, between the said quadrant gear and first ratchet first stage clip is installed.
4. bottom door of railway hopper car controller for opening and closing according to claim 3 is characterized in that, an end of said first stage clip is fixed on the said quadrant gear, and an other end contacts with said first ratchet.
5. bottom door of railway hopper car controller for opening and closing according to claim 1 is characterized in that, between the said valve body mount pad and second ratchet second stage clip is installed.
6. bottom door of railway hopper car controller for opening and closing according to claim 5 is characterized in that, an end of said second stage clip is fixed on the said valve body mount pad, and an other end contacts with said second ratchet.
7. bottom door of railway hopper car controller for opening and closing according to claim 6 is characterized in that, the quantity of said second stage clip is two.
8. according to each described bottom door of railway hopper car controller for opening and closing of claim 1 to 7, it is characterized in that said valve body is a two-position five-way machine control valve.
9. according to each described bottom door of railway hopper car controller for opening and closing of claim 1 to 7, it is characterized in that said Pressure-bar spring is a cylindroid helical-coil compression spring.
10. according to each described bottom door of railway hopper car controller for opening and closing of claim 1 to 7, it is characterized in that said cam has the wide formula structure of many arc profiles curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220065229XU CN202439693U (en) | 2012-02-27 | 2012-02-27 | Open/close control device for bottom door of railroad hopper car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220065229XU CN202439693U (en) | 2012-02-27 | 2012-02-27 | Open/close control device for bottom door of railroad hopper car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202439693U true CN202439693U (en) | 2012-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220065229XU Expired - Fee Related CN202439693U (en) | 2012-02-27 | 2012-02-27 | Open/close control device for bottom door of railroad hopper car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202439693U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102556088A (en) * | 2012-02-27 | 2012-07-11 | 南车长江车辆有限公司 | Bottom door opening and closing control device of railway hopper car |
| CN104527672A (en) * | 2014-12-29 | 2015-04-22 | 江苏瑞铁轨道装备有限公司 | Locking device of hopper car bottom door |
-
2012
- 2012-02-27 CN CN201220065229XU patent/CN202439693U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102556088A (en) * | 2012-02-27 | 2012-07-11 | 南车长江车辆有限公司 | Bottom door opening and closing control device of railway hopper car |
| CN104527672A (en) * | 2014-12-29 | 2015-04-22 | 江苏瑞铁轨道装备有限公司 | Locking device of hopper car bottom door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
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 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20180227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |