CN103223953B - A kind of Train hook breakage protective system - Google Patents
A kind of Train hook breakage protective system Download PDFInfo
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- CN103223953B CN103223953B CN201310173522.7A CN201310173522A CN103223953B CN 103223953 B CN103223953 B CN 103223953B CN 201310173522 A CN201310173522 A CN 201310173522A CN 103223953 B CN103223953 B CN 103223953B
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Abstract
The present invention relates to engine brake systems technical field; especially a kind of Train hook breakage protective system; including a brake valve, brake valve being connected in 1# equalizing reservoir pipe, 2# brake pipe, 3# main reservoir pipe, 4#, all pipe, 6# sand pipe, 7# overcharge pipe, 8# shut-off valve tube, 10# independent release pipe and 11# independent role pipe. Described 1# equalizing reservoir pipe connects an equalizing reservoir pressure transducer; Described 2# brake pipe connects a brake pipe sensor; Described 2# brake pipe connects a pressure switch; Described 3# main reservoir pipe concatenates an electromagnetic valve; Described 2# brake pipe and 3# main reservoir pipe connect a vent valve; Described 8# shut-off valve tube connects a urgency electromagnetic valve. The present invention is when organizing into groups very long last vehicle of train and disconnected hook occurring, it is possible to the disconnected hook fault of train accurately detected, and effectively implements train brake hard, improves the safety reliability of car load.
Description
Technical field
The present invention relates to engine brake systems technical field, especially a kind of Train hook breakage protective system.
Background technology
When the train of dress JZ-7 type air damper is properly functioning, brake valve handle is at driving position, there is to occur between disconnected hook, vehicle and vehicle disconnected hook between locomotive and vehicle, Brake pipe pressure can not drop to rapidly zero, thus locomotive or train can not produce brake hard effect in a short period of time. If train marshalling list is very long, and disconnected hook occurs at last vehicle of train, and the time of train generation brake hard effect can be longer.
JZ-7 type air damper structure principle chart is as shown in Figure 1, when automatic brake valve handle is placed in driving position, the pressure air of 3# main reservoir pipe adjusts after valve is adjusted to the pressure of regulation through brake valve 1 and is filled with equalizing reservoir 2, then in 4#, all pipe is filled with the left side of relay valve 3 piston, piston pressurized moves to the right, by push rod, steam supply valve is opened, 3# main reservoir pipe pressure air is directly inflated to 2# brake pipe through blocking valve port a and valve port while, inflate on the right side of piston through the shrinkage cavity that diameter is 1mm, as shown in Figure 2 simultaneously. When piston right atrial pressure is with piston left pressure balance, steam supply valve is under the effect of steam supply valve spring, and close port, cut-out 3# main reservoir pipe be the wind comes from, and 2# brake pipe is in packing state.
Automatic brake valve is at driving position, when there is disconnected hook in train, 2# brake pipe is occurring disconnected hook separation place to air air draft, 3# main reservoir pipe repeated valve 3 again mends wind to 2# brake pipe simultaneously, thus the pressure of 2# brake pipe can not reduce rapidly, locomotive or train can not produce brake hard effect in a short period of time. If train marshalling list is very long, and disconnected hook occurs at last vehicle of train, and the time of train generation brake hard effect can be longer.
The present invention relates to relevant technical interpretation as follows:
Equalizing reservoir pipe: the pipe that equalizing reservoir is connected with automatic brake valve. Equalizing reservoir pressure is controlled by automatic brake valve handle position, and automatic brake valve handle position changes, and equalizing reservoir pressure also changes therewith.Equalizing reservoir pipe automatic brake valve internal with in all pipe communicate, both pressure are equal all the time. Equalizing reservoir pressure change be exactly in all pipe pressure change. Relay valve according in all pipe pressure change, the air pressure of direct brake activation pipe.
Brake pipe: from the relay valve on locomotive, the pipeline of through full train. Distributing valve on rolling stock all props up and is connected on brake pipe. Distributing valve on rolling stock changes according to the pressure of brake pipe, control the application reservoir on locomotive respectively and the auxiliary reservoir on vehicle fills wind or air draft, then through application valve on locomotive, through the effect of three-way valve on vehicle, rolling stock is made to realize braking, pressurize, alleviation.
Main reservoir pipe: the pipeline of wind regime is provided for whole brakes.
In all pipe: by automatic brake valve lead to relay valve pipeline. Relay valve according in all pipe pressure change, the air pressure of direct brake activation pipe.
Shut-off valve tube: led to the pipeline of relay valve by automatic brake valve. When being implemented braking by automatic brake valve handle, through automatic brake valve, make blast main be connected with shut-off valve tube, after shut-off valve tube obtains wind, cut off the path of the logical blast main of relay valve internal detent pipe, make brake pipe can not get mending wind or filling wind.
Summary of the invention
In order to overcome the deficiency of existing technology, the invention provides a kind of Train hook breakage protective system.
The technical solution adopted for the present invention to solve the technical problems is: a kind of Train hook breakage protective system; including a brake valve, brake valve being connected in 1# equalizing reservoir pipe, 2# brake pipe, 3# main reservoir pipe, 4#, all pipe, 6# sand pipe, 7# overcharge pipe, 8# shut-off valve tube, 10# independent release pipe and 11# independent role pipe. Described 1# equalizing reservoir pipe connects an equalizing reservoir pressure transducer; Described 2# brake pipe connects a brake pipe sensor; Described 2# brake pipe connects a pressure switch; Described 3# main reservoir pipe concatenates an electromagnetic valve; Described 2# brake pipe and 3# main reservoir pipe connect a vent valve; Described 8# shut-off valve tube connects a urgency electromagnetic valve.
According to another embodiment of the invention, farther include brake valve to be connected with equalizing reservoir through 1# equalizing reservoir pipe.
According to another embodiment of the invention, farther including 2# brake pipe one tunnel and be connected with brake valve, another road is connected with relay valve, and 2# brake pipe is also associated with an emergency brake.
According to another embodiment of the invention, farther including 3# main reservoir pipe one tunnel and be connected with brake valve, road one electromagnetic valve of concatenation is connected with relay valve, and a road is directly connected with relay valve, also has a road and anxious electromagnetic valve processed to connect.
According to another embodiment of the invention, farther include brake valve 4# all manages directly to be connected with relay valve.
According to another embodiment of the invention, farther including brake valve 7# and overcharge Guan Yilu and be connected with overcharging reservoir, another road is connected with relay valve.
According to another embodiment of the invention, farther include to be connected to relay valve after brake valve 8# shut-off valve tube is connected with anxious electromagnetic valve processed.
The invention has the beneficial effects as follows, even if the present invention occurs when organizing into groups very long last vehicle of train at disconnected hook, it is also possible to the disconnected hook fault of train accurately detected, and implement train brake hard quickly and effectively, improve the safety and reliability of car load.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the theory structure schematic diagram of original technology;
Fig. 2 is that relay valve interdicts structure sectional view when valve port a opens;
The structural representation of Fig. 3 present invention;
Fig. 4 is that the present invention interdicts valve port a closed mode structure sectional view;
In figure 1, brake valve, 2, equalizing reservoir, 3, relay valve, 4, electromagnetic valve, 5, overcharge reservoir, 7, equalizing reservoir pressure transducer, 8, brake pipe sensor, 9, pressure switch, 10, vent valve, 11, anxious electromagnetic valve processed, 12, emergency brake.
Detailed description of the invention
If Fig. 3 is the structural representation of the present invention; a kind of Train hook breakage protective system; including a brake valve 1, brake valve 1 being connected in 1# equalizing reservoir pipe, 2# brake pipe, 3# main reservoir pipe, 4#, all pipe, 6# sand pipe, 7# overcharge pipe, 8# shut-off valve tube, 10# independent release pipe and 11# independent role pipe. Described 1# equalizing reservoir pipe connects an equalizing reservoir pressure transducer 7; Described 2# brake pipe connects a brake pipe sensor 8; Described 2# brake pipe connects a pressure switch 9; Described 3# main reservoir pipe concatenates an electromagnetic valve 4; A vent valve 10 it is connected between described 2# brake pipe and 3# main reservoir pipe; Described 8# shut-off valve tube connects an anxious electromagnetic valve 11 processed. Brake valve 1 is connected with equalizing reservoir 2 through 1# equalizing reservoir pipe; 2# brake pipe one tunnel is connected with brake valve 1, and another road is connected with relay valve 3, and 2# brake pipe is also associated with an emergency brake 12; 3# main reservoir pipe one tunnel is connected with brake valve 1, and road one electromagnetic valve 4 of concatenation is connected with relay valve 3, and a road and relay valve 3 are directly connected to, and also has a road and anxious electromagnetic valve 11 processed to connect; Brake valve 1 is all managed in 4# and is directly connected with relay valve 3; Brake valve 1 overcharges Guan Yilu through 7# and overcharges reservoir and 5 be connected, and another road is connected with relay valve 3; The 8# shut-off valve tube of brake valve 1 is connected to relay valve 3 after being connected with anxious electromagnetic valve 11 processed.
Meanwhile, in microcomputer, hook control software design is resolved in increase.
After disconnected hook occurs train, pc control software sends instruction according to the pressure signal detected, makes train implement disconnected hook brake hard.
The disconnected hook relay protective scheme of train is as follows:
1) the disconnected hook protection automatic activation condition of system:
Force value >=470kPa when the equalizing reservoir pressure transducer 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 obtains electric in closed mode.
As the force value < 470kPa or locomotive speed≤5km/h of the equalizing reservoir pressure transducer 7 of locomotive 1# equalizing reservoir pipe, the disconnected hook protection system control program of locomotive microcomputer is automatically switched off (failing).
After the disconnected hook protection system control program of locomotive microcomputer activates automatically, pressure differential between equalizing reservoir pressure transducer 7 and brake pipe sensor 8 is be 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, namely emergency brake command is generated: 1. make electromagnetic valve 11 anxious processed obtain electric, the pressure air of 3# main reservoir pipe passes to 8# shut-off valve tube from anxious electromagnetic valve 11 processed, move right under the intercepter valve (IV) pressure of 3# main reservoir pipe to the left and the effect of spring force, blocking valve port a is closed mode, cut off the path between 3# main reservoir pipe and 2# brake pipe on relay valve 3, make relay valve 3 can not mend wind to 2# brake pipe, as shown in Figure 4.2. make vent valve 10 obtain electric, making 2# brake pipe lead to air through vent valve 10, thus accelerating the air draft to air of the 2# brake pipe, and making the pressure of 2# brake pipe drop to 0, it is achieved the brake hard of full train; 3. when the pressure of 2# brake pipe drops to 230～250kPa, pressure switch 9 action, make locomotive traction power unload. Locomotive microcomputer is reported to the police and shows " disconnected hook protection " simultaneously.
2) reset after disconnected hook protection system acting
Disconnected hook protection system acting and train speed are after 0; driver manually moves big lock handle to emergency position; when the pressure of 1# equalizing reservoir pipe drops to less than 300kPa, after controller handle returns 0, disconnected hook protection system locomotive Control Program for Microcomputers [Digital Research] is automatically switched off; anxious electromagnetic valve 11 processed and vent valve 10 dead electricity; in opened condition, disconnected hook protective effect and warning eliminate electromagnetic valve 4 dead electricity, hereafter; driver manually to driving position or can overcharge position by big lock handle, implements the alleviation of full train.
The Train hook breakage protective system 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 handle and is taken out position, and the pressure of the equalizing reservoir pipe 1 of corresponding operating end is 250kPa.
After hook protection system is resolved in train increase, even if disconnected hook occurs organizing into groups very long last vehicle of train, protection system also can accurately detect the disconnected hook fault of train, and implements train brake hard quickly and effectively, improves the safety and reliability of car load.
In sum, it is only presently preferred embodiments of the present invention, not being used for limiting scope of the invention process, all equalizations done according to the shape described in the claims in the present invention scope, structure, feature and spirit change and modify, and all should be included in scope of the presently claimed invention.
Claims (1)
1. a Train hook breakage protective system; including a brake valve (1); brake valve (1) is connected in 1# equalizing reservoir pipe, 2# brake pipe, 3# main reservoir pipe, 4# all pipe, 6# sand pipe, 7# overcharge pipe, 8# shut-off valve tube, 10# independent release pipe and 11# independent role pipe, it is characterized in that:
Described 1# equalizing reservoir pipe connects an equalizing reservoir pressure transducer (7);
Described 2# brake pipe connects a brake pipe sensor (8);
Described 2# brake pipe connects a pressure switch (9);
Described 3# main reservoir pipe concatenates an electromagnetic valve (4);
Described 3# main reservoir pipe and 2# brake pipe connect a vent valve (10);
Described 8# shut-off valve tube connects a urgency electromagnetic valve (11);
Described brake valve (1) is connected with equalizing reservoir (2) through 1# equalizing reservoir pipe;
Described 2# brake pipe one tunnel is connected with brake valve (1), and another road is connected with relay valve (3), and 2# brake pipe is also associated with an emergency brake (12);
Described 3# main reservoir pipe one tunnel is connected with brake valve (1), and road one electromagnetic valve (4) of concatenation is connected with relay valve (3), and a road is directly connected with relay valve (3), also has a road and anxious electromagnetic valve processed (11) to connect;
Described brake valve (1) is all managed in 4# and is directly connected with relay valve (3);
Described brake valve (1) overcharges Guan Yilu through 7#, and (5) are connected with overcharging reservoir, and another road is connected with relay valve (3);
Described brake valve (1) is connected to relay valve (3) after 8# shut-off valve tube is connected with anxious electromagnetic valve processed (11);
Described protection system has the disconnected hook relay protective scheme of train:
A) force value of equalizing reservoir pressure transducer (7) and brake pipe sensor (8) all >=470kPa, and locomotive speed > 5km/h, and after continuing for some time, the disconnected hook protection system control program of microcomputer activates automatically;
B) train speed is 0, and the pressure of 1# equalizing reservoir pipe drops to less than 300kPa, and after controller handle returns 0, the disconnected hook protection system locomotive control Automatic Program of microcomputer is closed;
C) pressure differential between equalizing reservoir pressure transducer (7) and brake pipe sensor (8) is be more than or equal to a definite value, and after continuing for some time, the disconnected hook protection system control program action of microcomputer.
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 CN103223953A (en) | 2013-07-31 |
| CN103223953B true 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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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100526841C (en) * | 2006-10-20 | 2009-08-12 | 南车戚墅堰机车有限公司 | Internal combustion engine reconnection test platform and its operation method |
| CN201049626Y (en) * | 2006-12-28 | 2008-04-23 | 南车四方机车车辆股份有限公司 | Separating automatic-protecting equipment for train |
| KR200460266Y1 (en) * | 2010-03-12 | 2012-05-15 | 현대로템 주식회사 | A Railway car air valve |
| CN103057561A (en) * | 2012-12-13 | 2013-04-24 | 中国北车集团大连机车车辆有限公司 | Automatic interruption device for emergent braking of relay valve of locomotive brake |
| CN203294121U (en) * | 2013-05-13 | 2013-11-20 | 南车戚墅堰机车有限公司 | Train hook breakage protective system |
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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. |