Railway electric switch machine field detection device and use method thereof

Abstract

The invention relates to a railway electric switch machine field detection device and a use method thereof, and belongs to the technical field of online equipment detection devices and methods. According to the technical scheme, a first high-strength steel plate (4) and a second high-strength steel plate (5) are connected through a hinge pin shaft (1); the pressure gauge telescopic probe (3) is installed at the end, close to the first high-strength steel plate (4), of the probe connecting rod (13), the pressure gauge (2) is installed on the outer surface of the second high-strength steel plate (5), and when the turnout switch rail (7) stretches out or draws in, the end, away from the first high-strength steel plate (4), of the probe connecting rod (13) makes contact with the pressure gauge (2) through the fixed pressure spring, the telescopic rod baffle (12) and the telescopic pressure spring (11). The method has the beneficial effects that the method has the advantages of improving the passing efficiency of the railway and realizing safe and efficient operation of the railway, is simple to operate, can effectively improve the equipment safety, and is low in cost and remarkable in economic benefit.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of railway electric switch machine field detection device and its use method, belong to online equipment detection device and method technical field. BACKGROUND

[0002] Electric switch machine is responsible for railway turnout position conversion, according to the need conversion to positioning or reverse position. Turnout is converted to the required position and is closely attached after realizing locking, prevent external force conversion turnout. Especially in industrial and mining enterprises, railway curve is more, heavy load, fixed area operation and other factors superimposed environment is bad, make electric switch machine, abnormal wear of point rail, crawl, empty board, point rail jump and other problems more prominent.

[0003] Wear, crawl, empty board, point rail jump and other problems and locomotive, vehicle state, traction tonnage, running speed, curve radius, line state, ramp and there is certain causal relationship. Especially in steel plant, turnout is in " four open " position due to fault, need to give alarm and indicate to ensure locomotive and vehicle travel safety smooth. SUMMARY

[0004] The present application aims to provide a kind of railway electric switch machine field detection device and method, by the movement of probe connecting rod drive telescopic pressure spring extrusion pressure gauge to carry out pressure test, device does not need program design, detection, test equipment belongs to conventional equipment, easy to purchase, can be used as repair equipment long-term control each turnout, with the advantages of improving railway traffic efficiency, realizes the safe and efficient operation of railway, simple operation, realize the function of detecting turnout, monitoring at any time, can effectively improve equipment safety, cost is low, economic benefit is remarkable, effectively solve the above problems existing in background art.

[0005] The technical scheme of the present application is: a kind of railway electric switch machine field detection device, include hinge pin, pressure gauge, pressure gauge telescopic probe, high-strength steel plate one, high-strength steel plate two, turnout point rail, turnout rail, digital multimeter, digital multimeter test pen, telescopic pressure spring, fixed pressure spring and telescopic rod baffle and probe connecting rod, high-strength steel plate one and high-strength steel plate two are contacted with turnout rail and turnout point rail respectively, high-strength steel plate one and high-strength steel plate two are connected by hinge pin;High-strength steel plate two is equipped with telescopic rod pin hole, probe connecting rod is inserted into the telescopic rod pin hole, pressure gauge telescopic probe is installed at the end of probe connecting rod close to high-strength steel plate one, pressure gauge is installed on the outer surface of high-strength steel plate two, when turnout point rail extends or is pulled in, the end of probe connecting rod away from high-strength steel plate one is contacted with pressure gauge by fixed pressure spring and telescopic rod baffle and telescopic pressure spring;Digital multimeter is connected with cable box or motor terminal by digital multimeter test pen.

[0006] The high-strength steel plate one and the high-strength steel plate two form a 30-degree angle under the support of a pressure gauge telescopic probe.

[0007] The main thickness of the high-strength steel plate one and the high-strength steel plate two is 10mm, the tip thickness of the high-strength steel plate one is 2mm, and the tip thickness of the high-strength steel plate two is 4mm. The high-strength steel plate two is also provided with bolt holes, there are four bolt holes, the pressure gauge is fixed on the high-strength steel plate two through the bolt and the bolt hole; the bolt hole is expanded to a bolt counterbore 5mm deep from the inside of the high-strength steel plate two, and the nut of the bolt is embedded in the bolt counterbore when the pressure gauge is installed.

[0008] A use method of a railway electric switch machine field detection device, comprising the following steps: (1) Detecting the load force value of the electric switch machine extension or pull-in, when the switch rail is extended or pulled in, the switch rail presses the 30-degree angle formed by the high-strength steel plate one and the high-strength steel plate two, touches the pressure gauge telescopic probe, the pressure gauge telescopic probe is pressed to drive the probe connecting rod to move, the probe connecting rod movement makes the fixed pressure spring and the telescopic rod baffle press the telescopic pressure spring to touch the pressure gauge, and the pressure gauge displays the pressure scale; (2) Working voltage detection, when the switch rail and the switch rail tip press the 2mm steel plate of the high-strength steel plate one, the electric switch machine can be mechanically locked but cannot give the switch indication; when the switch is turned, the digital multimeter is used to test the working voltage of the switch, the digital multimeter pen is contacted on the outer wire X1-X4 or X2-X4 terminal of the cable box, the digital multimeter is placed in the direct current 500v block, and the switch is tested by cutting off the breaker and then operating the switch again. (3) Working current detection, when the 4mm steel plate of the high-strength steel plate two is pressed by the switch rail and the switch rail tip, the electric switch machine cannot be mechanically locked, the motor is idling when the electric switch machine is turned and meets resistance, the digital multimeter pen is used to test the working current of the electric switch machine when it is turned or meets resistance, any wire end of the motor terminal is shaken off or the 5A or 15A block of the digital multimeter pen is connected according to the polarity, and the positioning or reverse working current is measured. (4) Friction current detection, the friction current is the fault current of the electric switch machine, which is proportional to the working current, and the friction current detection is the same as the working current.

[0009] In the step (2), when the breaker is operated, 220v direct current voltage should be measured; when the breaker is closed and the switch is operated again, 210V direct current voltage should be measured on the terminal of the cable box for the single-acting switch, and 170-190v direct current voltage should be measured for the double-acting and triple-acting switches.

[0010] In step (3), the working current of the ZD6 type electric switch machine is 0.9-1.3 A. If the working current is greater than 1.5 A, it indicates that there is a problem with the turnout, and the inspection or rectification of the turnout should be increased.

[0011] The beneficial effects of this invention are: the pressure test is performed by moving the probe connecting rod to drive the telescopic pressure spring to squeeze the pressure gauge; the device does not require program design; the detection and testing equipment is conventional equipment and easy to purchase; it can be used as maintenance equipment to monitor each turnout for a long time; it has the advantages of improving railway traffic efficiency and realizing safe and efficient railway operation; it is simple to operate and realizes the function of detecting and monitoring turnouts at any time; it can effectively improve equipment safety; it is low in cost and has significant economic benefits. Attached Figure Description

[0012] Figure 1 This is the front view of the present invention; Figure 2 This is a side view of the present invention; Figure 3 This is a diagram showing the usage state of the present invention; Figure 4 This is a schematic diagram of the structure of the digital multimeter of the present invention; Figure 5 This is a cross-sectional view of the probe connecting rod portion of the present invention; In the diagram: 1. Hinge pin; 2. Pressure gauge; 3. Pressure gauge telescopic probe; 4. High-strength steel plate 1; 5. High-strength steel plate 2; 6. Bolt; 7. Turnout switch rail; 8. Turnout rail; 9. Digital multimeter; 10. Digital multimeter test pen; 11. Telescopic pressure spring; 12. Fixed pressure spring and telescopic rod baffle; 13. Probe connecting rod; 14. Bolt hole; 15. Telescopic rod pin hole; 16. Bolt countersunk hole. Detailed Implementation

[0013] To make the purpose, technical solutions, and advantages of the invention embodiments clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described are only a small part of the embodiments of the present invention, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the protection scope of the present invention.

[0014] A field testing device for a railway electric switch machine includes a hinge pin 1, a pressure gauge 2, a pressure gauge telescopic probe 3, a high-strength steel plate 4, a high-strength steel plate 5, a turnout switch rail 7, a turnout rail 8, a digital multimeter 9, a digital multimeter test probe 10, a telescopic pressure spring 11, a fixed pressure spring and a telescopic rod baffle 12, and a probe connecting rod 13. The high-strength steel plate 4 and the high-strength steel plate 5 are in contact with the turnout rail 8 and the turnout switch rail 7, respectively, and are connected by the hinge pin 1. The plate 5 is provided with a telescopic rod pin hole 15. The probe connecting rod 13 passes through the telescopic rod pin hole 15. The pressure gauge telescopic probe 3 is installed at the end of the probe connecting rod 13 near the high-strength steel plate 4. The pressure gauge 2 is installed on the outer surface of the high-strength steel plate 5. When the turnout switch rail 7 is extended or pulled in, the end of the probe connecting rod 13 away from the high-strength steel plate 4 contacts the pressure gauge 2 through the fixed pressure spring, the telescopic rod baffle 12, and the telescopic pressure spring 11. The digital multimeter 9 is connected to the cable box or motor terminal through the digital multimeter test probe 10.

[0015] The high-strength steel plate 4 and the high-strength steel plate 5 form a 30-degree angle under the support of the pressure gauge telescopic probe 3.

[0016] The main body thickness of both high-strength steel plate 4 and high-strength steel plate 5 is 10mm, the tip thickness of high-strength steel plate 4 is 2mm, and the tip thickness of high-strength steel plate 5 is 4mm. The high-strength steel plate 25 is also provided with bolt holes 14. There are four bolt holes 14. The pressure gauge 2 is fixed to the high-strength steel plate 25 by bolts 6 and bolt holes 14. The bolt holes 14 are extended 5mm inward from the bolt hole on the inner side of the high-strength steel plate 25 to the bolt countersunk hole 16. When installing the pressure gauge 2, the nut of the bolt 6 is embedded in the bolt countersunk hole 16.

[0017] A method for using a field testing device for railway electric switch machines includes the following steps: (1) Detect the load force value of the electric switch machine when it extends or is pulled in. When the switch rail extends or is pulled in, the switch rail squeezes the 30-degree angle formed by the high-strength steel plate 1 and the high-strength steel plate 2, and touches the pressure gauge telescopic probe. The pressure gauge telescopic probe is squeezed and drives the probe connecting rod to move. The movement of the probe connecting rod causes the fixed pressure spring and the telescopic rod baffle to squeeze the telescopic pressure spring and touch the pressure gauge. The pressure gauge displays the pressure scale. (2) Working voltage test: When the turnout rail and turnout switch rail extend or are pulled into the 2mm steel plate at the tip of the high-strength steel plate, the electric switch machine can mechanically lock but cannot give the turnout indication; when the turnout is rotating, use a digital multimeter to test the turnout working voltage. Use the digital multimeter probes to contact the external X1-X4 or X2-X4 terminals of the cable box, set the digital multimeter to the DC 500V range, and perform the turnout operation test with the cut-off device cut off and the turnout operation test with the cut-off device closed. (3) Working current detection: When the 4mm steel plate at the two ends of the high-strength steel plate is extended or pulled into the turnout rail and turnout switch rail and squeezed into rigid contact, the electric switch machine cannot be locked mechanically. When the electric switch machine encounters resistance, the motor runs idle. Use the probes of a digital multimeter to test the working current when the electric switch machine is rotating or encountering resistance. Split off any wire end of the motor terminal or cut off the circuit breaker. Connect the probes of the 5A or 15A range digital multimeter according to the polarity to measure the positioning or reversing working current. (4) Friction current detection: The friction current is the fault current of the electric switch machine, which is proportional to the working current. The detection of friction current is the same as that of working current.

[0018] In step (2), when the switch is operated by cutting off the circuit breaker, a DC voltage of 220V should be measured; when the switch is operated by closing the circuit breaker, a DC voltage of 210V should be measured at the cable box terminal for single-action switches, and a DC voltage of 170-190V should be measured for double-action and triple-action switches.

[0019] In step (3), the working current of the ZD6 type electric switch machine is 0.9-1.3 A. If the working current is greater than 1.5 A, it indicates that there is a problem with the turnout, and the inspection or rectification of the turnout should be increased.

[0020] In practical applications, this invention is particularly prominent in railway equipment performance testing and online equipment adjustment. The device of this invention includes two high-strength steel plates. The second high-strength steel plate has five holes drilled in it, including one ∮10 telescopic rod pin hole and four ∮8 bolt holes. The telescopic rod pin hole is used for the probe connecting rod to pass through, and the bolt holes are used to fix the pressure gauge. The four ∮8 bolt holes are extended 5mm inward from the bolt holes on the inner side of the high-strength steel plate to ∮10. When installing the pressure gauge, the nuts of the four bolts are embedded in the bolt countersunk holes. In this way, when fixing the pressure gauge on the second high-strength steel plate, the inner surface of the second high-strength steel plate is smooth and flat without any protruding nuts. When the angle between the first and second high-strength steel plates is closed, it does not affect the detection accuracy of the telescopic probe of the pressure gauge.

[0021] Two high-strength steel plates are rigidly connected by a hinge pin, forming a 30-degree angle between them under the support of the pressure gauge's telescopic probe. Figure 1 and Figure 2 .

[0022] When the turnout switch rail extends or retracts, the turnout switch rail and the turnout rail press against the 30-degree angle formed by the two high-strength steel plates, touching the pressure gauge telescopic probe. The pressure gauge telescopic probe is compressed, causing the probe connecting rod to move, thus causing the fixed pressure spring and telescopic rod baffle to... Figure 5 The pressure gauge is connected to the compression spring, and the probe connecting rod extends and retracts with the turnout and the spring to make the pressure gauge display the correct pressure scale; the load force value of each electric switch machine when it extends or retracts can be clearly detected.

[0023] When the turnout rails and switch rails extend or are pulled into the 2mm steel plate at the tip of the high-strength steel plate, the electric switch machine can mechanically lock but cannot provide a turnout indication. When the turnout is rotating, use a digital multimeter to test the turnout's operating voltage. Connect the multimeter probes to the external X1-X4 or X2-X4 terminals of the cable box, set the multimeter to the DC 500V range, and disconnect the circuit breaker. When operating the turnout from the control panel, a DC voltage of approximately 220V should be measured. After closing the circuit breaker and operating the turnout again, a DC voltage of 210V should be measured at the cable box terminals for single-action turnouts, and 170-190V for double-action and triple-action turnouts.

[0024] When the 4mm steel plate at the two ends of the high-strength steel plate extends or is pulled into rigid contact with the turnout rail and turnout switch rail, the electric switch machine cannot lock mechanically. When the electric switch machine encounters resistance, the motor runs idle. The probes of a digital multimeter can be used to test the working current and fault current of the electric switch machine when it is rotating or encountering resistance.

[0025] ① The operating current of an electric switch machine is the current during normal switching. It is affected by factors such as the force of the turnout switching, the correct installation position of the gears inside the switch machine, the tightness of the switch rail locking or unlocking, and the adjustment of the close-fitting adjustment rod. To measure the normal and reverse operating current, disconnect any wire from the motor terminal or cut off the circuit breaker and connect the probes of a 5A or 15A digital multimeter according to the polarity.

[0026] ② The fault current of an electric switch machine, also known as the friction current, is the current flowing through the motor when the switch machine is idling due to friction. It is only affected by the pressure of the friction connection device; the higher the friction pressure, the greater the fault current. The adjustment of the friction pressure is also affected by external factors, therefore the fault current is directly proportional to the operating current. The method for testing the friction current is the same as that for the operating current.

[0027] Online usage method of this invention: Electric switch machines are used to change the position of railway turnouts, switching them to the normal or reverse position as needed. To ensure the performance of an electric switch machine meets the requirements for safe passage of locomotives and rolling stock, it is essential to understand its various data parameters and ensure its performance is up to standard. This invention provides a device for online testing without disassembling the equipment. It can be used in any environment. This invention is small in size, simple to maintain and adjust, has no mechanical transmission resistance loss, is highly efficient, has a fast response speed, and provides test results that accurately reflect on-site conditions, providing more realistic and accurate data than tests conducted in a repair shop.

[0028] 1. Load Capacity Test: Two high-strength steel plates are rigidly connected by hinge pins, forming a 30-degree angle under the support of the pressure gauge telescopic probe. When the turnout switch rail extends or retracts, the turnout rail presses against the 30-degree angle formed by the two high-strength steel plates, touching the pressure gauge telescopic probe. The pressure gauge telescopic probe is compressed, causing the probe connecting rod to move, which in turn compresses the fixed pressure spring and the telescopic rod baffle, causing the telescopic pressure spring to contact the pressure gauge. The opening and closing of the probe connecting rod and the pressure spring cause the pressure gauge to display the correct pressure scale. This test can clearly detect the load capacity value of each electric switch machine when it extends or retracts.

[0029] 2. Working Voltage Test: When the turnout rails and switch rails extend or are pulled into the 2mm thick high-strength steel plate at one end, the electric switch machine should be able to mechanically lock but should not provide a turnout indication. While the turnout is rotating, use a digital multimeter to test the turnout's working voltage. Connect the multimeter probes to the external X1-X4 or X2-X4 terminals of the cable box, set the multimeter to the DC 500V range, and disconnect the circuit breaker. When operating the turnout from the control panel, a DC voltage of approximately 220V should be measured. After closing the circuit breaker and operating the turnout again, a DC voltage of 210V should be measured at the cable box terminals for single-action turnouts, and 170-190V for double-action and triple-action turnouts.

[0030] 3. Working current test: When the 4mm steel plate at the two ends of the high-strength steel plate is in rigid contact with the turnout rail and the turnout switch rail, the electric switch machine cannot lock mechanically. When the electric switch machine encounters resistance, the motor runs idle. The working current of the electric switch machine when it is rotating or encountering resistance can be tested using the probes of a digital multimeter.

[0031] The operating current of an electric switch machine is the current during normal switching. It is affected by factors such as the force applied during switch switching, the correct installation position of gears within the switch machine, the tightness of the lock / unlock of the switch rail, and the adjustment of the adjusting rod. To measure the normal and reverse operating current, disconnect any wire from the motor terminal or cut off the circuit breaker and connect the probes of a 5A or 15A digital multimeter according to polarity. The operating current of the ZD6 type electric switch machine is 0.9-1.3 A. Increased operating current can be caused by factors such as suspended platforms, locomotive sand spillage, frequent rain combined with poor cleaning of the sliding plates, insufficient swing margin at the tail of the switch rail, overly tight first bolt on the fishplate, and improper installation or excessive meshing of gears within the switch machine. An operating current greater than 1.5 A indicates a problem with the switch. Increased inspection and rectification of the switch are recommended.

[0032] 4. Friction Current Test: The fault current of an electric switch machine, also known as the friction current, is the current flowing through the motor when the switch machine is idling due to friction. It is only affected by the pressure of the friction connection device; the higher the friction pressure, the greater the fault current. The adjustment of the friction pressure is also affected by external factors, therefore the fault current is directly proportional to the operating current. The friction current test method is the same as that for the operating current.

[0033] As can be seen from the above, this invention enables efficient and safe passage of railway turnouts, featuring simple design, low cost, and high reliability. The device requires no programming, and the detection and testing equipment is conventional and readily available. It can be used as maintenance equipment for long-term monitoring of each turnout, thus improving railway traffic efficiency and achieving safe and efficient railway operation. This device is easy to operate, enabling real-time turnout detection and monitoring, effectively improving equipment safety, and offering significant economic benefits due to its low cost.

[0034] The above embodiments are only used to illustrate and not limit the technical solutions of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that modifications or equivalent substitutions can still be made to the present invention without departing from the spirit and scope of the present invention. Any modifications or partial substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A field testing device for railway electric switch machines, characterized in that: The system includes a hinge pin (1), a pressure gauge (2), a pressure gauge telescopic probe (3), a high-strength steel plate one (4), a high-strength steel plate two (5), a turnout switch rail (7), a turnout rail (8), a digital multimeter (9), a digital multimeter test lead (10), a telescopic pressure spring (11), a fixed pressure spring and telescopic rod baffle (12), and a probe connecting rod (13). The high-strength steel plate one (4) and the high-strength steel plate two (5) are in contact with the turnout rail (8) and the turnout switch rail (7), respectively. The high-strength steel plate one (4) and the high-strength steel plate two (5) are connected by the hinge pin (1). The high-strength steel plate two (5) is equipped with... The telescopic rod pin hole (15) is inserted into the probe connecting rod (13), and the pressure gauge telescopic probe (3) is installed at the end of the probe connecting rod (13) close to the high-strength steel plate one (4). The pressure gauge (2) is installed on the outer surface of the high-strength steel plate two (5). When the turnout switch rail (7) is extended or pulled in, the end of the probe connecting rod (13) away from the high-strength steel plate one (4) is in contact with the pressure gauge (2) through the fixed pressure spring, the telescopic rod baffle (12), and the telescopic pressure spring (11). The digital multimeter (9) is connected to the cable box or motor terminal through the digital multimeter test probe (10).

2. The on-site testing device for a railway electric switch machine according to claim 1, characterized in that: The high-strength steel plate one (4) and high-strength steel plate two (5) form a 30-degree angle under the support of the pressure gauge telescopic probe (3).

3. The on-site testing device for a railway electric switch machine according to claim 1, characterized in that: The main body thickness of the high-strength steel plate one (4) and the high-strength steel plate two (5) is 10mm, the tip thickness of the high-strength steel plate one (4) is 2mm, and the tip thickness of the high-strength steel plate two (5) is 4mm.

4. The on-site testing device for a railway electric switch machine according to claim 3, characterized in that: The high-strength steel plate 2 (5) is also provided with bolt holes (14). There are four bolt holes (14). The pressure gauge (2) is fixed on the high-strength steel plate 2 (5) by bolts (6) and bolt holes (14). The bolt holes (14) are extended 5mm inward from the bolt hole on the inner side of the high-strength steel plate 2 (5) to the bolt countersunk hole (16). When installing the pressure gauge (2), the nut of the bolt (6) is embedded in the bolt countersunk hole (16).

5. A method for using a field testing device for a railway electric switch machine, characterized in that... Includes the following steps: (1) Detect the load force value of the electric switch machine when it extends or is pulled in. When the switch rail extends or is pulled in, the switch rail squeezes the 30-degree angle formed by the high-strength steel plate 1 and the high-strength steel plate 2, and touches the pressure gauge telescopic probe. The pressure gauge telescopic probe is squeezed and drives the probe connecting rod to move. The movement of the probe connecting rod causes the fixed pressure spring and the telescopic rod baffle to squeeze the telescopic pressure spring and touch the pressure gauge. The pressure gauge displays the pressure scale. (2) Working voltage test: When the turnout rail and turnout switch rail extend or are pulled into the 2mm steel plate at the tip of the high-strength steel plate, the electric switch machine can mechanically lock but cannot give the turnout indication; when the turnout is rotating, use a digital multimeter to test the turnout working voltage. Use the digital multimeter probes to contact the external X1-X4 or X2-X4 terminals of the cable box, set the digital multimeter to the DC 500V range, and perform the turnout operation test with the cut-off device cut off and the turnout operation test with the cut-off device closed. (3) Working current detection: When the 4mm steel plate at the two ends of the high-strength steel plate is extended or pulled into the turnout rail and turnout switch rail and squeezed into rigid contact, the electric switch machine cannot be locked mechanically. When the electric switch machine encounters resistance, the motor runs idle. Use the probes of a digital multimeter to test the working current when the electric switch machine is rotating or encountering resistance. Split off any wire end of the motor terminal or cut off the circuit breaker. Connect the probes of the 5A or 15A range digital multimeter according to the polarity to measure the positioning or reversing working current. (4) Friction current detection: The friction current is the fault current of the electric switch machine, which is proportional to the working current. The detection of friction current is the same as that of working current.

6. The method of using the on-site testing device for a railway electric switch machine according to claim 5, characterized in that: In step (2), when the switch is operated by cutting off the circuit breaker, a DC voltage of 220V should be measured; when the switch is operated by closing the circuit breaker, a DC voltage of 210V should be measured at the cable box terminal for single-action switches, and a DC voltage of 170-190V should be measured for double-action and triple-action switches.

7. The method of using the on-site testing device for a railway electric switch machine according to claim 5, characterized in that: In step (3), the working current of the ZD6 type electric switch machine is 0.9-1.3 A. If the working current is greater than 1.5 A, it indicates that there is a problem with the turnout, and the inspection or rectification of the turnout should be increased.

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