CN103223953A - Train hook breakage protective system - Google Patents
Train hook breakage protective system Download PDFInfo
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- CN103223953A CN103223953A CN2013101735227A CN201310173522A CN103223953A CN 103223953 A CN103223953 A CN 103223953A CN 2013101735227 A CN2013101735227 A CN 2013101735227A CN 201310173522 A CN201310173522 A CN 201310173522A CN 103223953 A CN103223953 A CN 103223953A
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Abstract
The invention relates to the technical field of internal combustion engine braking systems, and in particular relates to a train hook breakage protective system which comprises a brake valve, wherein the brake valve is connected with a first balanced air cylinder pipe, a second brake pipe, a third general air cylinder pipe, a fourth middle balanced pipe, a sixth sand dispersing pipe, a seventh over-charge pipe, an eighth interceptive valve pipe, a tenth individual release pipe and an eleventh individual acting pipe, wherein the first balanced air cylinder pipe is connected with a balanced air cylinder pressure sensor; the second brake pipe is connected with a brake pipe sensor and a pressure switch; the third general air cylinder pipe is connected with an electromagnetic valve in series; the second brake pipe and the third general air cylinder pipe are connected with an air release valve; and the 8# interceptive valve pipe is connected with an emergent brake electromagnetic valve. According to the train hook breakage protective system, under the condition of marshalling very long train tail part hook breakage, the hook breakage stoppage also can be detected accurately; the train is braked emergently; and the safety and the reliability of the whole train are improved.
Description
Technical field
The present invention relates to combustion engine braking systems technology field, especially a kind of train hook protection system of breaking.
Background technology
The brake activation valve handle was at driving position when dress normally moved with the train of JZ-7 type air damper, disconnected hook takes place between locomotive and vehicle to take place between disconnected hook, vehicle and vehicle, Brake pipe pressure can not drop to zero rapidly, thereby locomotive or train can not produce the emergency braking effect in a short period of time.If train marshalling list is very long, and disconnected hook occurs in last vehicle of train, and the time of train generation emergency braking effect can be longer.
JZ-7 type air damper structure principle chart as shown in Figure 1, when the automatic brake valve handle places driving position, the pressure air of 3# main reservoir pipe charges into equalizing reservoir 2 after brake activation valve 1 is adjusted the pressure that valve is adjusted into regulation, then in 4# all pipe charge into the left side of relay valve 3 pistons, piston is moved by pressed rightwards, by push rod steam supply valve is opened, 3# main reservoir pipe pressure air is directly inflated to the 2# brake pipe through the gentle valve port of blocking valve port a, while is that the shrinkage cavity of 1mm is inflated to the piston right side through diameter, as shown in Figure 2.When treating piston right atrial pressure and piston left side equilibrium of pressure, steam supply valve is under the effect of steam supply valve spring, and close port is cut off the 3# main reservoir pipe and be the wind comes from, and the 2# brake pipe is in packing state.
Automatic brake valve is at driving position, when hook takes place to break in train, disconnected hook separation place is taking place to the atmosphere air draft in the 2# brake pipe, the 3# main reservoir pipe is mended wind through relay valve 3 to the 2# brake pipe again simultaneously, thereby the pressure of 2# brake pipe can not reduce rapidly, and locomotive or train can not produce the emergency braking effect in a short period of time.If train marshalling list is very long, and disconnected hook occurs in last vehicle of train, and the time of train generation emergency braking effect can be longer.
The technical interpretation that the present invention relates to be correlated with is as follows:
Equalizing reservoir pipe: the pipe that equalizing reservoir is communicated with automatic brake valve.Equalizing reservoir pressure is by the control of automatic brake valve handle position, and the automatic brake valve handle position changes, and equalizing reservoir pressure also changes thereupon.The equalizing reservoir pipe automatic brake valve inner with in all pipe communicate, both pressure are equal all the time.The pressure of equalizing reservoir change be exactly in all pressure variations of pipe.All pressure variations of pipe in the relay valve basis, the air pressure of direct control brake pipe.
Brake pipe: the relay valve from the locomotive connects the pipeline of full train.Distributing valve on the rolling stock all props up and is connected on the brake pipe.Distributing valve on the rolling stock changes according to the pressure of brake pipe, application reservoir and the auxiliary reservoir on the vehicle controlled respectively on the locomotive fill wind or air draft, again through application valve, through the effect of triple valve, make rolling stock realize braking, pressurize, alleviation on the vehicle on the locomotive.
Main reservoir pipe: the pipeline that wind regime is provided for whole brake system.
In equal pipes: the pipeline that leads to relay valve by automatic brake valve.All pressure variations of pipe in the relay valve basis, the air pressure of direct control brake pipe.
Shut-off valve tube: the pipeline that leads to relay valve by automatic brake valve.Implement glancing impact by the automatic brake valve handle,, blast main is connected with shut-off valve tube, after shut-off valve tube gets wind, cut off the path that the inner brake pipe of relay valve leads to blast main, make brake pipe can not get mending wind or fill wind through automatic brake valve.
Summary of the invention
In order to overcome the deficiency of existing technology, the invention provides the disconnected hook protection system of a kind of train.
The technical solution adopted for the present invention to solve the technical problems is: a kind of train hook protection system of breaking; comprise a brake activation valve, be connected with among 1# equalizing reservoir pipe, 2# brake pipe, 3# main reservoir pipe, the 4# all pipe, 6# sand pipe, 7# on the brake activation valve and overcharge pipe, 8# shut-off valve tube, 10# independent release pipe and 11# and act on pipe separately.Connect an equalizing reservoir pressure sensor on the described 1# equalizing reservoir pipe; Connect a brake pipe sensor on the described 2# brake pipe; Connect a pressure switch on the described 2# brake pipe; Electromagnetic valve of serial connection on the described 3# main reservoir pipe; Described 2# brake pipe is connected a vent valve with the 3# main reservoir pipe; Connect an anxious system electromagnetic valve on the described 8# shut-off valve tube.
According to another embodiment of the invention, comprise that further brake activation valve is connected with equalizing reservoir through 1# equalizing reservoir pipe.
According to another embodiment of the invention, comprise that further 2# brake pipe one tunnel is connected with brake activation valve, another road is connected with relay valve, also is connected with an emergency brake valve on the 2# brake pipe.
According to another embodiment of the invention, comprise that further 3# main reservoir pipe one tunnel is connected with brake activation valve, electromagnetic valve of one tunnel serial connection is connected with relay valve, and one the tunnel directly is connected with relay valve, in addition one the tunnel makes electromagnetic valve with urgency and is connected.
According to another embodiment of the invention, comprise further among the brake activation valve 4# that all pipe directly is connected with relay valve.
According to another embodiment of the invention, comprise that further brake activation valve 7# overcharges Guan Yilu and overcharges reservoir and be connected, another road is connected with relay valve.
According to another embodiment of the invention, comprise that further brake activation valve 8# shut-off valve tube and anxious the system are connected to relay valve after electromagnetic valve is connected.
The invention has the beneficial effects as follows,, also can accurately detect the disconnected hook fault of train, and implement the train emergency braking quickly and effectively, improved the safety and the reliability of car load even the present invention occurs under the situation of the very long last vehicle of train of marshalling at disconnected hook.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the theory structure scheme drawing of original technology;
Fig. 2 is relay valve blocking valve port a structure cutaway view when opening;
Fig. 3 structural representation of the present invention;
Fig. 4 is that valve port a closed condition structure cutaway view is interdicted in the present invention;
Among the figure 1, brake activation valve, 2, equalizing reservoir, 3, relay valve, 4, electromagnetic valve, 5, overcharge reservoir, 7, the equalizing reservoir pressure sensor, 8, the brake pipe sensor, 9, pressure switch, 10, vent valve, 11, anxious system electromagnetic valve, 12, emergency brake valve.
The specific embodiment
As Fig. 3 is structural representation of the present invention; a kind of train hook protection system of breaking; comprise a brake activation valve 1, be connected with among 1# equalizing reservoir pipe, 2# brake pipe, 3# main reservoir pipe, the 4# all pipe, 6# sand pipe, 7# on the brake activation valve 1 and overcharge pipe, 8# shut-off valve tube, 10# independent release pipe and 11# and act on pipe separately.Connect an equalizing reservoir pressure sensor 7 on the described 1# equalizing reservoir pipe; Connect a brake pipe sensor 8 on the described 2# brake pipe; Connect a pressure switch 9 on the described 2# brake pipe; Electromagnetic valve 4 of serial connection on the described 3# main reservoir pipe; Be connected with a vent valve 10 between described 2# brake pipe and the 3# main reservoir pipe; Connect an anxious system electromagnetic valve 11 on the described 8# shut-off valve tube.Brake activation valve 1 is connected with equalizing reservoir 2 through 1# equalizing reservoir pipe; 2# brake pipe one tunnel is connected with brake activation valve 1, and another road is connected with relay valve 3, also is connected with an emergency brake valve 12 on the 2# brake pipe; 3# main reservoir pipe one tunnel is connected with brake activation valve 1, and electromagnetic valve 4 of one tunnel serial connection is connected with relay valve 3, the one tunnel with relay valve 3 direct connections, also have one the tunnel with suddenly make electromagnetic valve 11 and be connected; Brake activation valve 1 is all managed in 4# and directly is connected with relay valve 3; Brake activation valve 1 overcharges Guan Yilu and overcharges reservoir 5 and be connected through 7#, and another road is connected with relay valve 3; The 8# shut-off valve tube of brake activation valve 1 is connected to relay valve 3 with anxious the system after electromagnetic valve 11 is connected.
Simultaneously, the hook Control Software is resolved in increase in the microcomputer.
After disconnected hook took place train, pc control software sent instruction according to detected pressure signal, made train implement the disconnected anxious braking that hooks.
The disconnected hook protection of train logic is as follows:
1) the disconnected automatic activation condition of hook protection system:
Force value 〉=470kPa when the equalizing reservoir pressure sensor 7 of locomotive 1# equalizing reservoir pipe; force value 〉=the 470kPa of the brake pipe sensor 8 of 2# brake pipe; locomotive speed＞5km/h; after continuing for some time; the disconnected hook protection system control program of locomotive microcomputer activates (startup) automatically, and electromagnetic valve 4 gets the electric closed condition that is.
When the force value＜470kPa of the equalizing reservoir pressure sensor 7 of locomotive 1# equalizing reservoir pipe or locomotive speed≤5km/h, the locomotive microcomputer hook protection system control program SELF CL (failing) of breaking.
After the disconnected hook protection system control program of locomotive microcomputer activates automatically; when the difference of pressure between equalizing reservoir pressure sensor 7 and the brake pipe sensor 8 more than or equal to a definite value and after continuing for some time; the disconnected hook protection system control program action of locomotive microcomputer; the anxious brake command of promptly feeling nervous: 1. make anxious system electromagnetic valve 11; the pressure air of 3# main reservoir pipe passes to the 8# shut-off valve tube from anxious system electromagnetic valve 11; intercepter valve (IV) moves right under the effect of the pressure of its left side 3# main reservoir pipe and spring force; blocking valve port a is closed condition; path on the cut-out relay valve 3 between 3# main reservoir pipe and 2# brake pipe; make relay valve 3 not mend wind, as shown in Figure 4 to the 2# brake pipe.It is electric that vent valve 10 is got, and makes the 2# brake pipe through vent valve 10 logical atmosphere, thereby quicken the air draft of 2# brake pipe to atmosphere, and make the pressure of 2# brake pipe drop to 0, realizes the emergency braking of full train; 3. when the pressure of 2# brake pipe dropped to 230～250kPa, pressure switch 9 actions made the unloading of locomotive traction power.Locomotive microcomputer is reported to the police and is shown " disconnected hook protection " simultaneously.
2) resetting after the disconnected hook protection system action
After disconnected hook protection system action and train speed are 0; the driver manually moves big lock handle to emergency position; when the pressure of 1# equalizing reservoir pipe drops to less than 300kPa, after the controller handle returns 0, disconnected hook protection system locomotive microcomputer control program SELF CL; anxious system electromagnetic valve 11 and vent valve 10 dead electricity; electromagnetic valve 4 dead electricity in opened condition, disconnected hook protective effect and report to the police and eliminate, after this; the driver can manually big lock handle to driving position or overcharge the position, implement the alleviation of full train.
The disconnected hook protection system of train of the present invention is equally applicable to the disconnected hook protection of dual operation platform locomotive or multi-locomotive.Because when locomotive is dual operation platform or locomotive double heading, non-manipulatable end automatic brake valve is put the handle fetch bit, and the pressure of the equalizing reservoir pipe 1 of corresponding operating end is 250kPa.
After the hook protection system was resolved in the train increase, even disconnected hook occurs in the very long last vehicle of train of marshalling, protection system also can accurately detect the disconnected hook fault of train, and implements the train emergency braking quickly and effectively, has improved the safety and the reliability of car load.
In sum, it only is preferred embodiment of the present invention, be not to be used for limiting scope of the invention process, all equalizations of doing according to the described shape of claim scope of the present invention, structure, feature and spirit change and modify, and all should be included in the claim scope of the present invention.
Claims (7)
1. the disconnected hook protection system of a train; comprise a brake activation valve (1); be connected with among 1# equalizing reservoir pipe, 2# brake pipe, 3# main reservoir pipe, the 4# all pipe, 6# sand pipe, 7# on the brake activation valve (1) and overcharge pipe, 8# shut-off valve tube, 10# independent release pipe and 11# and act on pipe separately, it is characterized in that:
Connect an equalizing reservoir pressure sensor (7) on the described 1# equalizing reservoir pipe;
Connect a brake pipe sensor (8) on the described 2# brake pipe;
Connect a pressure switch (9) on the described 2# brake pipe;
A serial connection electromagnetic valve (4) on the described 3# main reservoir pipe;
Described 3# main reservoir pipe is connected a vent valve (10) with the 2# brake pipe;
Connect an anxious system electromagnetic valve (11) on the described 8# shut-off valve tube.
2. the train according to claim 1 hook protection system of breaking is characterized in that brake activation valve (1) is connected with equalizing reservoir (2) through 1# equalizing reservoir pipe.
3. the train according to claim 1 hook protection system of breaking is characterized in that 2# brake pipe one tunnel is connected with brake activation valve (1), and another road is connected with relay valve (3), also is connected with an emergency brake valve (12) on the 2# brake pipe.
4. the train according to claim 1 hook protection system of breaking; it is characterized in that 3# main reservoir pipe one tunnel is connected with brake activation valve (1), one tunnel electromagnetic valve of serial connection (4) is connected with relay valve (3); one the tunnel directly is connected with relay valve (3), also have one the road and the anxious electromagnetic valve (11) of making be connected.
5. the train according to claim 1 hook protection system of breaking is characterized in that, among brake activation valve (1) 4# all pipe directly be connected with relay valve (3).
6. the train according to claim 1 hook protection system of breaking is characterized in that, brake activation valve (1) 7# overcharges Guan Yilu and overcharges reservoir (5) and be connected, and another road is connected with relay valve (3).
7. the train according to claim 1 hook protection system of breaking is characterized in that, brake activation valve (1) 8# shut-off valve tube be connected to relay valve (3) after anxious system electromagnetic valve (11) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310173522.7A CN103223953B (en) | 2013-05-13 | 2013-05-13 | A kind of Train hook breakage protective system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310173522.7A CN103223953B (en) | 2013-05-13 | 2013-05-13 | A kind of Train hook breakage protective system |
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| CN103223953A true CN103223953A (en) | 2013-07-31 |
| CN103223953B CN103223953B (en) | 2016-06-15 |
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| CN201310173522.7A Active CN103223953B (en) | 2013-05-13 | 2013-05-13 | A kind of Train hook breakage protective system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105197000A (en) * | 2015-10-10 | 2015-12-30 | 南车株洲电力机车有限公司 | Locomotive and backup braking control method and backup braking device thereof |
| CN106428119A (en) * | 2016-11-01 | 2017-02-22 | 中车株洲电力机车有限公司 | Detection method for train coupler failure protection, system and train |
| CN107298090A (en) * | 2017-08-07 | 2017-10-27 | 中车太原机车车辆有限公司 | The disconnected hook protection device of brake |
| CN109720322A (en) * | 2019-01-08 | 2019-05-07 | 包头钢铁（集团）有限责任公司 | A kind of JZ-7 series brake is from valve remote control system and its operating method |
| CN109733363A (en) * | 2019-01-08 | 2019-05-10 | 包头钢铁（集团）有限责任公司 | A kind of JZ-7 series brake is from valve remote control system and its operating method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105197000A (en) * | 2015-10-10 | 2015-12-30 | 南车株洲电力机车有限公司 | Locomotive and backup braking control method and backup braking device thereof |
| CN105197000B (en) * | 2015-10-10 | 2018-02-27 | 南车株洲电力机车有限公司 | A kind of locomotive and its control method and brake apparatus of standby braking |
| CN106428119A (en) * | 2016-11-01 | 2017-02-22 | 中车株洲电力机车有限公司 | Detection method for train coupler failure protection, system and train |
| CN107298090A (en) * | 2017-08-07 | 2017-10-27 | 中车太原机车车辆有限公司 | The disconnected hook protection device of brake |
| CN107298090B (en) * | 2017-08-07 | 2023-05-05 | 太原中车时代轨道工程机械有限公司 | Broken hook protector for brake |
| CN109720322A (en) * | 2019-01-08 | 2019-05-07 | 包头钢铁（集团）有限责任公司 | A kind of JZ-7 series brake is from valve remote control system and its operating method |
| CN109733363A (en) * | 2019-01-08 | 2019-05-10 | 包头钢铁（集团）有限责任公司 | A kind of JZ-7 series brake is from valve remote control system and its operating method |
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|---|---|
| CN103223953B (en) | 2016-06-15 |
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Address after: Yanling road 213000 Jiangsu city of Changzhou province No. 358 Patentee after: Qishuyan Zhongche Locomotive Co. Ltd. Address before: Yanling road 213000 Jiangsu city of Changzhou province No. 358 Patentee before: CHINA NANCHE GROUP QISHUYAN LOCOMOTIVE VEHICLE Co., Ltd. |
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