CN112606866A - Method and device for detecting poor shunting of track circuit - Google Patents
Method and device for detecting poor shunting of track circuit Download PDFInfo
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- CN112606866A CN112606866A CN202011310844.8A CN202011310844A CN112606866A CN 112606866 A CN112606866 A CN 112606866A CN 202011310844 A CN202011310844 A CN 202011310844A CN 112606866 A CN112606866 A CN 112606866A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/02—Electric devices associated with track, e.g. rail contacts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
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Abstract
The invention relates to a method and a device for detecting poor shunting of a track circuit, and belongs to the technical field of railway signal maintenance. The technical scheme of the invention is as follows: the detection running device runs on the track, and the detection track circuit shunt state of the train is simulated by short circuit of the track circuit; the detection body collects shunt voltage in time through the voltage sensor, then amplifies the signal through the amplifier, the amplified signal is compared with a set value, and if the actual value is higher than the set value, the detection body does not change; if the actual value is lower than the set value, the detection body sends out an audible and visual alarm through the alarm module to prompt that the track circuit at the position is in poor shunting. The invention has the beneficial effects that: the method can not only timely and accurately diagnose whether the fault of poor shunt of the track circuit exists in different track sections, but also lock the names of the sections with poor shunt of the track circuit, thereby ensuring the safety of the running operation and the correct point of the exchange operation.
Description
Technical Field
The invention relates to a method and a device for detecting poor shunting of a track circuit, and belongs to the technical field of railway signal maintenance.
Background
The railway track circuit is a circuit formed by using two rails as conductors, insulating steel rails at two ends and connecting power transmission and receiving equipment. It plays a role of supervising whether the line is occupied or not. However, in an area with a small amount of operation of a metallurgical enterprise, due to dust pollution, rusting of steel rails, rusting of rail surfaces in rainy seasons and the like, when a vehicle occupies a track circuit section, a track relay cannot fall down, and poor shunting occurs, which is also a phenomenon known as 'no-press'. The rail circuit equipment can not correctly reflect the occupation condition of a railway line, the interlocking function of the electric centralized equipment fails, the display distortion of the control console further brings serious influence to the running safety work, the safety of train receiving and dispatching and shunting operation is directly threatened, and the accidents of fork squeezing and derailment caused by poor shunting of the rail circuit are more and more happened in recent years. And the chain is disjointed in the production process of a company, so that the problem that the chain needs to be solved is urgently solved.
Disclosure of Invention
The invention aims to provide a method and a device for detecting poor shunting of a track circuit, which are characterized in that a frame is manufactured, a detection body of a detection device for detecting poor shunting of the track circuit is arranged on the frame, the detection body is connected with a running wheel through a lead, the running wheel simulates wheels of a train to carry out short sealing on the track, the detection body outputs shunting voltage to an operation center, and after the operation center judges the voltage, whether an alarm instruction is sent or not is determined, so that the purpose of detecting the poor shunting fault of the track circuit is achieved, whether the poor shunting fault of the track circuit exists in different track sections or not can be accurately diagnosed in time, the names of the poor shunting sections of the track circuit can be locked, so that the safety of the running operation is ensured, the running operation is right, the damage of the 'not dead' fault of the rolling stock caused by the poor shunting is thoroughly eliminated, and a good equipment foundation is provided for realizing the improvement of the yield, the capacity-keeping capacity of transportation line facilities is greatly improved, the transportation production requirements are met, the railway transportation driving safety is guaranteed, the occurrence of derailment and derailment accidents is avoided, the positive effect on guaranteeing the safe and smooth of the aorta and the lifeline is achieved, and the problems in the background art are effectively solved.
The technical scheme of the invention is as follows: a method for detecting poor shunting of track circuit comprises the following steps: the detection device runs on a track, and simulates a train to detect the shunt state of a track circuit by short-circuiting the track circuit; (2) the detection body collects shunt voltage in time through the voltage sensor, then amplifies the signal through the amplifier, the amplified signal is compared with a set value, and if the actual value is higher than the set value, the detection body does not change; if the actual value is lower than the set value, the detection body sends out an audible and visual alarm through the alarm module to prompt that the track circuit at the position is in poor shunting; (3) and after the fault of the shunt circuit is determined, timely recording and informing relevant groups to carry out maintenance.
A detection device for poor shunting of a track circuit comprises a detection body and a detection operation device, wherein the detection body consists of an alarm module, an amplifier, a sensor, an A/D conversion module and an operation module which are connected through a lead, and the amplifier, the sensor, the A/D conversion module and the operation module are sequentially connected; the detection operation device comprises traveling wheels, two traveling wheels, a traveling frame, a traveling control centralized device, a 48V power supply and a traveling support frame, wherein the welding and assembling mode of the traveling frame refers to the structure of the electric bicycle, the traveling support frame is welded at the rear part of the traveling frame, the traveling control centralized device is arranged at the front part of the traveling frame, the traveling wheels are arranged on the traveling wheels, the traveling wheels are arranged at the lower part of the traveling frame, the traveling wheels at the rear part are provided with traveling motors, and the 48V power supply respectively supplies power to the traveling motors and the detection body; the detection body is arranged on the walking support frame, the detection body is connected with the walking wheels through wires, and the walking support frame is of a foldable structure.
The walking support frame folding device is arranged on the walking support frame, the walking support frame is folded into the vertical direction of the walking frame through the walking support frame folding device, and the walking support frame is fixed by the walking support frame fixing rod.
The contact part of the travelling wheel and the travelling wheel rim and the steel rail is a structure that the tyre is wrapped with a conductive soft iron sheet.
The bicycle wheel rim is composed of two semicircles, the diameter of the bicycle wheel rim is 10cm larger than that of the bicycle wheel, four screw rods are welded on a bicycle wheel spoke disc, two semicircles of the bicycle wheel rim are respectively provided with two screw holes, and the two screw holes are movably connected.
The walking frame is formed by welding phi 40 mm multiplied by 4 steel pipes.
The walking support frame is a frame formed by welding phi 27 mm multiplied by 4 steel pipes, the length is 1655mm, the width is 600mm, one support beam is welded in the frame at intervals of 330mm, 5 steel pipes are welded, and the material is phi 27 mm multiplied by 4 steel pipes.
The material of walking support frame dead lever is 15 mm's solid round steel, and length is 230mm, walks the both ends of walking support frame dead lever and is the bolt structure.
Walk capable support frame folding device and be 25mm for three length width, thickness is 6 mm's square steel sheet group, is equipped with the preformed hole in the middle of the steel sheet, and the diameter of preformed hole and the diameter phase-match of walking support frame fixed rod, two steel sheets weld in walking the one end that the support frame is folding side by side, reserve 8 mm's interval between two steel sheets, another steel sheet welding is in walking the fixed one end of support frame.
The invention has the beneficial effects that: by manufacturing a frame, a detection body of a track circuit shunt fault detection device is installed on the frame, the detection body is connected with a running wheel through a lead, the running wheel simulates the train wheel to carry out short sealing on the track, the detection body outputs shunt voltage to an operation center, and after the judgment of the operation center, whether an alarm instruction is sent or not is determined, so that the purpose of detecting the track circuit shunt fault is achieved, whether the track circuit shunt fault exists in different track sections or not can be timely and accurately diagnosed, the names of the track circuit shunt fault sections can be locked, the running operation safety is ensured, a correct point of the conversion operation is pulled, the damage of the locomotive vehicle 'not-dead-pressed' fault caused by the shunt fault to the running operation is thoroughly eliminated, a good equipment foundation is provided for a production unit to realize the improvement of the yield upper level and the technical index, and the capacity of a line facility is greatly improved, the railway transportation safety protection device meets the transportation production requirements, is a reliable foundation for ensuring the railway transportation driving safety and avoiding the occurrence of derailment and derailment accidents, and also plays a positive role in ensuring the safe and smooth of the aorta and the lifeline.
Drawings
FIG. 1 is a schematic structural diagram of a detecting device for detecting a defective shunt of a track circuit according to the present invention;
FIG. 2 is a connection diagram of the A/D conversion module and the operation module according to the present invention;
FIG. 3 is a schematic structural diagram of a folded state of the detecting device for bad track circuit shunting of the present invention;
in the figure: a road wheel 1; a travelling wheel rim 2; a running frame 3; a walking control centralized device 4; a 48V power supply 5; a walking support frame fixing rod 6; an alarm module 7; a wire 8; the amplifier, the sensor, the A/D conversion module and the operation module 9; a traveling support frame 10; a traveling support frame folding device 11; an amplifier 91; a sensor 92; an a/D conversion module 93; and an operation module 94.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions of the embodiments of the present invention with reference to the drawings of the embodiments, and it is obvious that the described embodiments are a small part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
A method for detecting poor shunting of track circuit comprises the following steps: the detection device runs on a track, and simulates a train to detect the shunt state of a track circuit by short-circuiting the track circuit; (2) the detection body collects shunt voltage in time through the voltage sensor, then amplifies the signal through the amplifier, the amplified signal is compared with a set value, and if the actual value is higher than the set value, the detection body does not change; if the actual value is lower than the set value, the detection body sends out an audible and visual alarm through the alarm module to prompt that the track circuit at the position is in poor shunting; (3) and after the fault of the shunt circuit is determined, timely recording and informing relevant groups to carry out maintenance.
A detection device for poor shunting of a track circuit comprises a detection body and a detection operation device, wherein the detection body consists of an alarm module 7, an amplifier, a sensor, an A/D conversion module and an operation module 9 which are connected through a lead 8, and the amplifier, the sensor, the A/D conversion module and the operation module are sequentially connected; the detection operation device comprises a traveling wheel 1, two traveling wheel rims 2, a traveling frame 3, a traveling control centralized device 4, a 48V power supply 5 and a traveling support frame 10, wherein the welding and assembling mode of the traveling frame 3 refers to the structure of an electric bicycle, the traveling support frame 10 is welded at the rear part of the traveling frame 3, the traveling control centralized device 4 is arranged at the front part of the traveling frame 3, the traveling wheel rims 2 are arranged on the traveling wheels 1, the number of the traveling wheels 1 is two, the traveling wheels 1 are arranged at the lower part of the traveling frame 3, the traveling motor is arranged on the rear traveling wheel 1, and the 48V power supply 5 is used for supplying power to the traveling motor and the detection body respectively; the detection body is arranged on a walking support frame 10, the detection body is connected with the walking wheels 1 through wires 8, and the walking support frame 10 is of a foldable structure.
The walking support frame folding device 11 is installed on a walking support frame 10, the walking support frame 10 is folded into the vertical direction of the walking frame 3 through the walking support frame folding device 11, and the walking support frame is fixed by the walking support frame fixing rod 6.
The contact parts of the road wheels 1 and the road wheel rims 2 and the steel rails are in a structure that the conductive soft iron skin is wrapped outside the tires.
The travelling wheel rim 2 is composed of two semicircles, the diameter of the travelling wheel rim is 10cm larger than that of the travelling wheel 1, four screw rods are welded on a spoke plate of the travelling wheel 1, two semicircles of the travelling wheel rim 2 are respectively provided with two screw holes, and the two screw holes are movably connected.
The walking frame 3 is formed by welding steel pipes with the diameter of 40 mm multiplied by 4.
The walking support frame 10 is a frame formed by welding phi 27 mm multiplied by 4 steel pipes, the length is 1655mm, the width is 600mm, one support beam is welded in the frame at intervals of 330mm, 5 steel pipes are welded, and the material is phi 27 mm multiplied by 4 steel pipes.
The material of walking support frame dead lever 6 is 15 mm's solid round steel, and length is 230mm, walks the both ends of walking support frame dead lever 6 and is the bolt structure.
The folding device 11 of the walking support frame is composed of three square steel plates with the length and width of 25mm and the thickness of 6mm, a preformed hole is formed in the middle of each steel plate, the diameter of the preformed hole is matched with that of a fixing rod 6 of the walking support frame, the two steel plates are welded at the folded end of the walking support frame 10 in parallel, the distance of 8mm is reserved between the two steel plates, and the other steel plate is welded at the fixed end of the walking support frame 10.
The track circuit shunt failure detection working process is that the detection running device can stably run on a platform on a steel rail, the shunt voltage is read by utilizing the shunt function of the platform, and whether to give an alarm or not is determined according to the condition after the shunt voltage is amplified and converted, so that the condition of track circuit shunt detection is achieved.
As shown in figure 1, the contact parts of the travelling wheel 1 and the travelling wheel rim 2 and the steel rails are formed by wrapping conductive soft iron sheets outside tires, and the device mainly has the function of short-circuiting a circuit between the two steel rails so as to provide a data source for a track circuit shunt failure detection device.
The design rule of the walking frame 3 can be formed by welding phi 40 mm multiplied by 4 steel pipes, the specific welding and assembling mode can refer to the structure of the electric bicycle, and the walking support frame is welded on the electric bicycle for the convenience of maintaining and replacing parts and also can be directly transformed by the electric bicycle.
The walking control device 4 can continue to adopt the walking control centralization of the electric bicycle, so as to be convenient for driving the portable track circuit shunt failure detection device on the steel rail and on the land.
The 48V power supply 5 is used as a power source of the electric bicycle walking driving motor and is also used as a working power supply for detection. The power source is wide, and electric bicycles purchased in the market are equipped with the power source.
The walking support frame fixing rod 6 is made of solid round steel with the length of 230mm, the two ends of the round steel are made into a bolt mode, and the walking support frame is convenient to disassemble and fold.
The main alarm module of alarm module 7 mainly comprises LED light emitting module and sound module, and sound module mainly comprises the singlechip of rising sun, and the existing voice module of this module, when bad detection device discovery branch circuit electric current in track circuit was low along separate routes, behind the operation module output 0000000000000000 signal, alarm module 7 carried out action light scintillation alarm sound and sounded, and sound module reports this department promptly and appears "can not die" trouble, please record.
The wire 8 is a 3mm copper wire.
The amplifier, the sensor, the A/D conversion module and the operation module 9 detect short-circuit voltage through the sensor, the short-circuit voltage amplifies signals through the amplification module, analog signals are converted into digital signals through the A/D conversion module, the digital signals are operated through the STC89C52 single chip microcomputer, and when the operation value is lower than 2.7V, the signal alarm module is output.
The walking support frame 10 is a frame formed by welding phi 27 mm multiplied by 4 steel pipes, the length is 1655mm, the width is 600mm, one support beam is welded in the frame at intervals of 330mm, 5 steel pipes with phi 27 mm multiplied by 4 are required to be welded. The support frame has designed folding function.
The folding device 11 of the walking support frame is characterized in that a hole with the diameter of 10mm is formed in the middle of three square steel plates with the length, the width and the thickness of 25mm and the thickness of 6mm, the two steel plates are welded at one end, folded, of the walking support frame in parallel, the distance between the two steel plates is reserved to be 8mm, the other steel plate is welded at one end, fixed, of the walking support frame, after the directions of the three reserved holes are aligned, the walking support frame fixing rod 6 with the diameter of 9mm is used for inserting and preventing the walking support frame from being drawn out, and the folding effect of the walking support frame.
As shown in fig. 2, the amplifier 91 adopts a transformer transformation ratio of 1: 10; the sensor 92 adopts an LF-A11-5442 type low-voltage sensor, and the working power supply of the sensor is supplied by a 48V power supply 5; the a/D conversion module 93 mainly functions to convert the acquired analog signals into digital signals, which is convenient for the operation module to identify; the operation module 94 mainly comprises an STC89C52 singlechip, and is used for obtaining data from an input end PI0, performing C-language programming operation, making judgment through IF statements, outputting data for the alarm module, and immediately giving an alarm after the alarm module receives an instruction. The working power supply of the STC89C52 singlechip is from a 48V power supply 5, and the working voltage of the STC89C52 singlechip is direct current 5V.
In the practical application of the method, the material is,
1. with the attached drawings, a walking frame 3 is designed and manufactured, and a walking motor is arranged on a rear walking wheel 1, so that the walking frame can independently walk by power supply;
2. the wheel rims 2 of the two travelling wheels 1 on the travelling frame 3 are formed by two semicircles, the diameter of each wheel rim is 10cm larger than that of the travelling wheel 1, four screw rods are welded on the spoke plates of the travelling wheels 1, two screw holes are formed in the two travelling wheel rims 2 respectively, and after detection is finished, the travelling wheel rims 2 can be detached, so that the travelling vehicle can conveniently travel on the common ground.
3. A48V battery is provided as a power source of the equipment, and the battery provides 48V power for the initial frame running. And 5V power supply is provided for the detection body.
4. The walking support frame 10 is formed by welding phi 27 multiplied by 4 steel pipes in a welding mode as shown in figure 1; the walking support frame is provided with a folding device, after the test work is finished, the walking support frame is folded to be vertical to the walking frame and is fixed by a walking support frame fixing rod 6, so that the running stability is ensured, the walking on a steel rail is facilitated, and meanwhile, a shunting bad section can be detected; when the device does not work during running on the common ground, the device can be folded into a direction parallel to the running frame, so that the maneuverability and flexibility of the device during running on the ground are ensured.
5. The detection main body of the track circuit shunt failure detection device mainly comprises an STC89C52 single chip microcomputer, a Lingyang single chip microcomputer, an amplification module, an A/D conversion module, an optical module and an acoustic module. The operation core of the single-chip microcomputer achieves the set target through programming.
The invention has the beneficial effects that:
1. detecting the effect
The principle of the design is that a running frame is designed and manufactured, a track circuit shunt fault detection device detection body is installed on the running frame and is connected with a running wheel through a conducting wire, the running wheel simulates a train wheel to carry out short sealing on a track, the detection device outputs shunt voltage to the detection body, and after the detection body is judged, whether an alarm instruction is sent out or not is determined, so that the purpose of detecting the track circuit shunt fault is achieved.
2. Social effects
The maximum benefit of finding the bad shunting fault of the track circuit by adopting the new method is the safety benefit, the damage of the 'dead-end-of-pressure' fault of the rolling stock caused by the bad shunting to the running operation is thoroughly eliminated, and a good equipment foundation is provided for the production unit to realize the improvement of the output upper level and the technical index.
Greatly improves the capacity-keeping capacity of transportation line facilities and meets the transportation production requirements. The railway transportation safety protection device is a reliable foundation for ensuring the railway transportation safety and avoiding the occurrence of derailment and derailment accidents, and also plays a positive role in ensuring the safe and smooth of the aorta and the lifeline.
3. Economic effect
Taking 2014 as an example, a railway vehicle derailment happens 1 time due to a fork-squeezing accident caused by poor track shunting, the accident directly loses 2 switch rails with the number of 50kg7 multiplied by 3679 yuan which is 7358 yuan, the number of 1 station with the number of electric switch machine multiplied by 12384 yuan which is 12384 yuan, and the number of 1 set of three electric rods with the number of multiplied by 1179 yuan which is 1179 yuan; 4 axles of the vehicle equipment are multiplied by 35000 yuan which is 140000 yuan, so that the equipment loss of the accident equipment of once-pressing switch and lane-switching is 7358 yuan + 12384 yuan + 1179 yuan + 140000 yuan which is 160921 yuan.
Claims (9)
1. A detection method for poor shunting of track circuit comprises a detection body and a detection running device, and is characterized by comprising the following steps: (1) the detection running device runs on the track, and the detection track circuit shunt state of the train is simulated by short circuit of the track circuit; (2) the detection body collects shunt voltage in time through the voltage sensor, then amplifies the signal through the amplifier, the amplified signal is compared with a set value, and if the actual value is higher than the set value, the detection body does not change; if the actual value is lower than the set value, the detection body sends out an audible and visual alarm through the alarm module to prompt that the track circuit at the position is in poor shunting; (3) and after the fault of the shunt circuit is determined, timely recording and informing relevant groups to carry out maintenance.
2. A track circuit poor shunting detection device is characterized in that: the device comprises a detection body and a detection operation device, wherein the detection body consists of an alarm module (7), an amplifier, a sensor, an A/D conversion module and an operation module (9), the alarm module and the amplifier are connected through a lead (8), and the amplifier, the sensor, the A/D conversion module and the operation module are sequentially connected; the detection operation device comprises traveling wheels (1), traveling wheel rims (2), a traveling frame (3), a traveling control centralized device (4), a 48V power supply (5) and traveling support frames (10), wherein the welding and assembling mode of the traveling frame (3) refers to the structure of the electric bicycle, the traveling support frames (10) are welded at the rear part of the traveling frame (3), the traveling control centralized device (4) is arranged at the front part of the traveling frame (3), the traveling wheel rims (2) are arranged on the traveling wheels (1), the number of the traveling wheels (1) is two, the traveling wheels are arranged at the lower part of the traveling frame (3), the traveling motors are arranged on the rear traveling wheels (1), and the 48V power supply (5) respectively supplies power to the traveling motors and the detection body; the detection body is arranged on the walking support frame (10), the detection body is connected with the walking wheels (1) through wires (8), and the walking support frame (10) is of a foldable structure.
3. A track circuit shunt failure detection apparatus as claimed in claim 2, wherein: the walking support frame folding device (11) is installed on the walking support frame (10), the walking support frame (10) is folded into the vertical direction of the walking frame (3) through the walking support frame folding device (11), and the walking support frame is fixed through the walking support frame fixing rod (6).
4. A track circuit shunt failure detection apparatus as claimed in claim 2, wherein: the contact parts of the travelling wheels (1) and the travelling wheel rims (2) and the steel rails are of a structure that the conducting soft iron sheet is wrapped outside the tire.
5. A track circuit shunt failure detection apparatus as claimed in claim 2, wherein: the bicycle wheel rim (2) is composed of two semicircles, the diameter of the bicycle wheel rim is 10cm larger than that of the bicycle wheel (1), four screw rods are welded on a spoke plate of the bicycle wheel (1), and two semicircles of the bicycle wheel rim (2) are respectively provided with two screw holes which are movably connected.
6. A track circuit shunt failure detection apparatus as claimed in claim 2, wherein: the walking frame (3) is formed by welding phi 40 mm multiplied by 4 steel pipes.
7. A track circuit shunt failure detection apparatus as claimed in claim 2, wherein: the walking support frame (10) is a frame formed by welding phi 27 mm multiplied by 4 steel pipes, the length is 1655mm, the width is 600mm, one support beam is welded in the frame at intervals of 330mm, 5 steel pipes with the phi 27 mm multiplied by 4 are welded.
8. A track circuit shunt failure detection apparatus as claimed in claim 3, wherein: the walking support frame fixing rod (6) is made of 15mm solid round steel, the length of the walking support frame fixing rod is 230mm, and two ends of the walking support frame fixing rod (6) are of bolt structures.
9. A track circuit shunt failure detection apparatus as claimed in claim 3, wherein: the folding device of the walking support frame (11) is composed of three square steel plates with the length and width of 25mm and the thickness of 6mm, a preformed hole is formed in the middle of each steel plate, the diameter of the preformed hole is matched with that of a fixing rod (6) of the walking support frame, the two steel plates are welded at one end, folded, of the walking support frame (10) in parallel, a space of 8mm is reserved between the two steel plates, and the other steel plate is welded at one end, fixed, of the walking support frame (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011310844.8A CN112606866B (en) | 2020-11-20 | 2020-11-20 | Method and device for detecting poor shunting of track circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011310844.8A CN112606866B (en) | 2020-11-20 | 2020-11-20 | Method and device for detecting poor shunting of track circuit |
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| CN112606866A true CN112606866A (en) | 2021-04-06 |
| CN112606866B CN112606866B (en) | 2023-01-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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|---|---|
| CN112606866B (en) | 2023-01-17 |
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