Turnout switching equipment

Abstract

The invention belongs to the technical field of rail transit, and discloses turnout switching equipment which comprises a power unit, a mechanical unit and a connecting unit, and the power unit is connected with any end of the mechanical unit through the connecting unit; the mechanical unit comprises an action locking mechanism, an indication locking mechanism and an action driving mechanism, the action driving mechanism is arranged between the action locking mechanism and the indication locking mechanism, and one end of the action driving mechanism is in transmission connection with the power unit through the connecting unit; the action driving mechanism comprises a driving sleeve and a lead screw, and the action locking mechanism comprises locking iron, an action rod, a squeezing-off assembly, a first main locking block and a second main locking block. Through the combined action of the locking iron, the first main locking block, the second main locking block, the squeezing-off assembly and the driving sleeve, the main locking function is achieved. Through the combined action of the locking rod, the first auxiliary locking block, the second auxiliary locking block and the driving sleeve, the auxiliary locking function is achieved, and the operation reliability and safety of the turnout switching equipment are improved through the double-locking function.

Description

Technical Field

[0001] The present invention belongs to the field of rail transit technology, and in particular relates to a turnout switching device. Background Technology

[0002] The turnout switching equipment is one of the important railway infrastructures. It is used to switch and lock the turnouts, change the direction of the turnout opening, and supervise and inspect the position of the turnouts. The smooth operation of the turnout switching equipment is an important guarantee for ensuring railway driving safety and improving transportation efficiency.

[0003] The existing turnout switching equipment includes a power unit, a transmission unit, a locking device, an indicating device, etc. The indicating device uses a contact group and a control circuit to realize the rotation control of the motor in the power unit and the circuit indication of the state of the turnout switching equipment itself. The contact group is greatly affected by the environment inside the chassis, and often has problems such as point contact, poor contact, contact sheet contamination, and low insulation resistance, which seriously affect the reliability of the indicating device. At the same time, the gap of the indicating device reflects the close fit between the turnout point rail and the base rail. When affected by the impact vibration and equipment loss during train operation, a gap or too tight fit will appear between the turnout point rail and the base rail. When the deviation is too large, the inspection column may not fall into the gap, resulting in a stuck gap, resulting in a signal failure of the turnout without indication, which brings serious safety risks to driving.

[0004] In addition, most turnout switching equipment cannot adapt well to frequent switch jams and automatic switch jam recovery. In addition, the existing turnout switching equipment installed on the sleeper type mostly adopts the internal locking form, which is only suitable for conventional lines. High-speed lines usually use turnout switching equipment with external locking devices. Most of the existing turnout switching equipment with external locking devices are large in size and cannot be installed in the center of the track.

[0005] It can be seen that the above-mentioned existing turnout switching equipment still has inconveniences and defects in structure, installation and use, and needs further innovation and optimization. How to design a new type of turnout switching equipment, realize its modular design, redundant design and intelligent control of locking and indicating functions, improve the reliability of the turnout switching system, and meet the requirements of high-speed railway development has become an urgent goal to be improved. SUMMARY OF THE INVENTION

[0006] In view of the above problems, the present invention provides a turnout switching device, which adopts the following technical solutions: A turnout switching device comprises a power unit, a mechanical unit and a connecting unit, wherein the power unit is connected to any end of the mechanical unit through the connecting unit; The mechanical unit includes an action locking mechanism, an indication locking mechanism, and an action driving mechanism. The action driving mechanism is disposed between the action locking mechanism and the indication locking mechanism. One end of the action driving mechanism is in transmission connection with the power unit through the connection unit; The action driving mechanism includes a driving sleeve and a lead screw. One end of the lead screw is in transmission connection with the connection unit. The driving sleeve is sleeved on the lead screw. Two sides of the driving sleeve parallel to the axial center line of the lead screw are respectively in sliding connection with the action locking mechanism and the indication locking mechanism; The action locking mechanism includes a locking iron, an action rod, an extrusion release assembly, a first main lock block, and a second main lock block. The extrusion release assembly is sleeved on the action rod. Two sides of the extrusion release assembly parallel to the axial center line of the action rod are respectively in sliding connection with one side of the locking iron and the first side of the driving sleeve close to the action locking mechanism. The first main lock block and the second main lock block are movably disposed on the extrusion release assembly.

[0007] Further, the indication locking mechanism includes a locking rod group, an auxiliary lock block group, and a locking seat assembly; Among them, the locking rod group includes a left locking rod, a right locking rod, and a guide shaft. The left locking rod and the right locking rod are coaxially disposed on the locking seat assembly. The guide shaft is simultaneously in sliding connection with the left locking rod and the right locking rod. Both the left locking rod and the right locking rod are in sliding connection with the locking seat assembly; A first arc-shaped opening is provided on the left locking rod. A second arc-shaped opening is provided on the right locking rod. The auxiliary lock block group includes a first auxiliary lock block and a second auxiliary lock block. The first auxiliary lock block and the second auxiliary lock block are rotatably connected to the locking seat assembly. A first sliding inclined surface is provided on the first auxiliary lock block. A second sliding inclined surface is provided on the second auxiliary lock block. Both the first sliding inclined surface and the second sliding inclined surface are in sliding fit with the second side of the driving sleeve close to the locking rod group. A first locking post matching the first arc-shaped opening is provided on the first auxiliary lock block. A second locking post matching the second arc-shaped opening is provided on the second auxiliary lock block.

[0008] Further, a convex platform is provided on the first side of the driving sleeve close to the action locking mechanism. A first groove and a second groove are spacedly provided on the side surface of the locking iron in sliding connection with the extrusion release assembly.

[0009] Further, both side surfaces of the first main lock block and the second main lock block slide along one side of the locking iron and the first side of the driving sleeve close to the action locking mechanism.

[0010] Furthermore, the locking seat assembly includes a first guide sleeve, a second guide sleeve, a pin, a third elastic member and a locking seat; Wherein, the first guide sleeve and the second guide sleeve are fixedly arranged on both sides of the locking seat in a mirror image, the first guide sleeve is slidably connected to the right locking rod, and the second guide sleeve is slidably connected to the left locking rod. The first guide sleeve and the second guide sleeve are both provided with mounting grooves at the bottom, the first auxiliary locking block is embedded in the mounting groove of the first guide sleeve, and the second auxiliary locking block is embedded in the mounting groove of the second guide sleeve; the first auxiliary locking block and the second auxiliary locking block are rotatably connected to the locking seat through the pin shaft, and each of the pin shafts is sleeved with the third elastic member.

[0011] Furthermore, the power unit is arranged beside the track, the mechanical unit is arranged at the center of the track, or the power unit and the mechanical unit are integrated in one steel sleeper.

[0012] Furthermore, the power unit includes a motor, a reducer, an overload protection device and a transmission shaft, the output shaft of the motor is transmission-connected to the input end of the reducer, the output end of the reducer is transmission-connected to one end of the overload protection device, and the other end of the overload protection device is transmission-connected to the connection unit through the transmission shaft.

[0013] Furthermore, the left locking rod is connected to the close contact point rail through a locking connection assembly, and the right locking rod is connected to the repelling point rail through a locking connection assembly.

[0014] Furthermore, the locking connection assembly includes a tip iron, a push-pull plate, a bolt pin and a second elastic member; Wherein, the tip iron is fixedly connected to the close-fitting point rail or the repelling point rail, the tip iron and the push-pull plate are connected by the bolt pin, the second elastic member is sleeved on the bolt pin, one end of the second elastic member abuts against the tip iron, the other end of the second elastic member abuts against the push-pull plate, and the end of the push-pull plate away from the tip iron is threadedly connected to the left locking rod or the right locking rod.

[0015] Furthermore, an oblong hole is provided at one end of the push-pull plate close to the tip iron, and one end of the bolt pin passes through the oblong hole to connect the tip iron and the push-pull plate.

[0016] Furthermore, the mechanical unit further includes a sensor component, wherein the sensor component includes: A first sensor and a second sensor are respectively arranged on both sides of the locking iron; the first sensor and the second sensor are respectively used to monitor the terminal position information on the left and right sides of the action rod; ​A third sensor and a fourth sensor are respectively arranged at the close contact and repulsion positions of the left locking rod; the third sensor and the fourth sensor are respectively used to monitor the close contact and repulsion position information of the left locking rod; A fifth sensor and a sixth sensor are respectively arranged at the close contact and repulsion positions of the right locking rod; the fifth sensor and the sixth sensor are respectively used to monitor the close contact and repulsion position information of the right locking rod; And, a seventh sensor and an eighth sensor are respectively arranged at the terminal position of the drive sleeve close to the point rail and the terminal position close to the point rail; the seventh sensor and the eighth sensor are used to monitor the terminal position information on the left and right sides of the drive sleeve.

[0017] Furthermore, the extrusion assembly includes an extrusion block, an extrusion column, a first elastic member, an extrusion cylinder and an adjusting nut; Wherein, a first through hole is provided on the extrusion block, the action rod is slidably connected to the first through hole, a key slot is provided in the first through hole, and the action rod is connected to the key slot through a flat key; a sliding part is provided at the bottom of the extrusion block, and two side surfaces of the sliding part parallel to the axial center line of the action rod are respectively slidably connected to one side of the locking iron and the first side surface of the driving sleeve close to the action locking mechanism; two sliding grooves are arranged at intervals on the sliding part, and the first main locking block and the second main locking block are respectively arranged in the two sliding grooves; The extrusion cylinder is arranged at the top of the extrusion block, the adjusting nut is threadedly connected to the extrusion cylinder, the adjusting nut is axially provided with a second through hole, the extrusion column is arranged in the extrusion cylinder, the first elastic member is sleeved on the extrusion column, the top of the extrusion column is slidably connected to the second through hole, a limiting step is arranged at the bottom of the extrusion column, the top of the first elastic member abuts against the adjusting nut, the bottom of the first elastic member abuts against the limiting step, the bottom of the limiting step is also rotatably connected with a sliding pin, and the action rod is provided with a concave surface slidably connected to the sliding pin.

[0018] Furthermore, the power unit housing is provided with a first shell, and the mechanical unit housing is provided with a second shell.

[0019] Furthermore, the power unit further comprises a manual mechanism, and the manual mechanism is arranged at a position where the first housing faces the motor output shaft; ​The manual mechanism includes a manual lever, a shield, a button, a block, a mounting plate and a ninth sensor. The manual lever is rotatably connected to the first shell. A handle is provided at one end of the manual lever located outside the first shell. The shield is fixedly provided at one end of the manual lever located inside the first shell. The button is riveted to the shield. The block is fixed in the first shell and located on one side of the shield. The ninth sensor is fixed to the block through the mounting plate.

[0020] Furthermore, it also includes a control system, which is used to determine whether the turnout is switched to the right position according to whether the right position signal of the sensor component is received.

[0021] Beneficial effects of the present invention: 1. The present invention realizes the main locking function of the turnout switching device through the joint action of the locking iron, the first main locking block, the second main locking block, the extrusion assembly and the driving sleeve.

[0022] 2. The present invention realizes the auxiliary locking function of the turnout switching device through the joint action of the locking rod, the first auxiliary locking block, the second auxiliary locking block and the driving sleeve. The double locking function improves the operating reliability and safety of the turnout switching device.

[0023] 3. The present invention adopts the sensor representation method to realize the multi-position monitoring of the movable parts of the mechanical unit, which is convenient for realizing intelligent control; the internal structure of the present invention is optimized, practical, simple and reliable, and adopts modular design, which can be modularly adapted according to actual needs. The sensor component integrates the connection and disconnection of multi-position sensors, uses safe logic judgment to give the representation signal, and the multi-position sensor information is calibrated with each other to eliminate the common cause failure of the sensor and improve the safety and reliability of the sensor representation.

[0024] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by implementing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures indicated in the description and the drawings. Brief Description of the Figures

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the embodiments or the prior art descriptions. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 Shows a schematic structural diagram of a turnout switching device according to an embodiment of the present invention; Figure 2It shows a schematic diagram of the action drive mechanism according to an embodiment of the present invention, and a locking diagram showing the left terminal position of the locking mechanism; Figure 3 Shows a schematic diagram of the action drive mechanism and the intermediate switching position of the locking mechanism according to an embodiment of the present invention; Figure 4 It shows a schematic diagram of the action drive mechanism according to an embodiment of the present invention, and represents the locking of the right terminal position of the locking mechanism; Figure 5 Shows a schematic structural diagram of an action locking mechanism according to an embodiment of the present invention; Figure 6 Shows a schematic structural diagram of an extrusion assembly according to an embodiment of the present invention; Figure 7 Shows a schematic diagram of the installation of the locking seat assembly and the left locking rod and the right locking rod according to an embodiment of the present invention; Figure 8 Shows a schematic structural diagram of a manual mechanism according to an embodiment of the present invention; Figure 9 Shows a schematic diagram of the installation of a locking connection assembly and a repulsion point rail according to an embodiment of the present invention; Figure 10 Shows a schematic diagram of communication between the sensor assembly and the control system when the left point rail of the turnout is in close contact according to an embodiment of the present invention; Figure 11 Shows a schematic diagram of the communication between the sensor assembly and the control system when the right side point rail of the turnout is in close contact according to an embodiment of the present invention.

[0027] ​In the figure: 1, power unit; 2, mechanical unit; 3, connection unit; 4, motor; 5, reducer; 6, overload protection device; 7, transmission shaft; 8, manual mechanism; 81, manual lever; 82, shield; 83, buckle; 84, stopper; 85, mounting plate; 86, ninth sensor; 9, locking iron; 91, first groove; 92, second groove; 10, action rod; 11, extrusion assembly; 111, extrusion block; 112, extrusion Stripping column; 113, first elastic member; 114, stripping cylinder; 115, adjusting nut; 116, sliding part; 12, first main locking block; 13, second main locking block; 14, action driving mechanism; 141, driving sleeve; 141a, boss; 141b, second side surface; 142, lead screw; 16, left locking rod; 161, first arc opening; 17, right locking rod; 171, second arc opening; 172, wrench interface; 18, guide shaft; 19. Locking seat assembly; 191. First guide sleeve; 192. Second guide sleeve; 193. Pin; 194. Third elastic member; 195. Locking seat; 20. First auxiliary locking block; 201. First locking column; 21. Second auxiliary locking block; 211. Second locking column; 221. First sensor; 222. Second sensor; 223. Third sensor; 224. Fourth sensor; 225. Fifth sensor; 226. Sixth sensor; 227. Seventh sensor; 228. Eighth sensor; 23. First housing; 24. Second housing; 31. Connecting shaft; 32. Coupling; 25. Locking connection assembly; 251. Tip iron; 252. Push-pull plate; 253. Bolt pin; 254. Second elastic member; 255. Locking nut; 26. Action connection assembly; 27. External locking device; 28. Repulsion point rail; 29. ​​Close contact point rail; 30. Basic rail. Specific implementation method

[0028] To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] It should be noted that the terms "first", "second", etc. in this application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so as to facilitate the embodiments of the present application described herein. In this application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inside", "outside", "middle", "vertical", "horizontal", "lateral", "longitudinal", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings.

[0030] The present invention provides a turnout switching device, which adopts modular design, has an optimized, practical, simple and reliable structure; has main and auxiliary dual locking functions, and can realize the indication of switch break; adopts multiple position sensor indication mode, and improves the safety and reliability of sensor indication through safety logic judgment; through the redundant design of the locking and indication functions of the turnout switching device, the reliability of the turnout switching device is improved to meet the needs of high-speed railway development; the turnout switching device adopts a sleeper installation, which can be adapted to an external locking device, so as to be applied to a variety of turnout environments such as high-speed, conventional, and urban rail lines.

[0031] If Figure 1 As shown, a turnout switching device includes a power unit 1, a mechanical unit 2 and a connection unit 3. The power unit 1 is arranged on the railside or on a steel sleeper, and the mechanical unit 2 is arranged on the track center. It can be equipped with an external locking device 27 to adapt to high-speed railway lines. The power unit 1, the mechanical unit 2 and the connection unit 3 can also be integrated in a steel sleeper to facilitate mechanical tamping.

[0032] The outer cover of the power unit 1 is provided with a first shell 23, and the outer cover of the mechanical unit 2 is provided with a second shell 24. The power unit 1 is connected to any end of the mechanical unit 2 through the connecting unit 3. The power unit 1 and the mechanical unit 2 of the turnout conversion device of the embodiment of the present invention are respectively arranged in two independent shells, and the two units are mechanically connected only through the connecting unit 3. The power unit 1 can be connected to any end of the mechanical unit 2 according to the on-site conditions, and the application scenarios are wide.

[0033] Wherein, the power unit 1 includes a motor 4, a reducer 5, an overload protection device 6 and a transmission shaft 7. The output shaft of the motor 4 is transmission-connected to the input end of the reducer 5, the output end of the reducer 5 is transmission-connected to one end of the overload protection device 6, and the other end of the overload protection device 6 is transmission-connected to the connection unit 3 through the transmission shaft 7.

[0034] For example, the mechanical unit 2 includes an action locking mechanism, an indication locking mechanism, an action driving mechanism 14 and a sensor assembly. The action driving mechanism 14 is arranged between the action locking mechanism and the indication locking mechanism. One end of the action driving mechanism 14 is connected to the power unit 1 through the connecting unit 3.

[0035] If Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, for example, the action drive mechanism 14 includes a drive sleeve 141 and a lead screw 142. One end of the lead screw 142 is transmission-connected to the connection unit 3. The drive sleeve 141 is sleeved on the lead screw 142. The drive sleeve 141 and the lead screw 142 are threadedly connected. The power unit 1 drives the lead screw 142 to rotate through the connection unit 3. The rotation of the lead screw 142 drives the drive sleeve 141 to move linearly along the axial direction of the lead screw 142, thereby converting the rotational motion of the power unit 1 into linear motion.

[0036] The two side surfaces of the driving sleeve 141 parallel to the axial center line of the lead screw 142 are respectively slidably connected with the action locking mechanism and the indication locking mechanism.

[0037] If Figure 5 As shown, for example, the action locking mechanism includes a locking iron 9, an action rod 10, an extrusion assembly 11, a first main locking block 12 and a second main locking block 13, wherein the axial center line of the action rod 10 is parallel to the axial center line of the lead screw 142, and the action rod 10 is connected to the turnout point rail or the external locking device 27 through the action connection assembly 26, and then connected to the turnout point rail. The external locking device 27 is used to overcome the conversion resistance of the point rail when it is in close contact, and reliably lock the turnout point rail and the base rail 30.

[0038] The extrusion assembly 11 is sleeved on the action rod 10. The two side surfaces of the extrusion assembly 11 parallel to the axial center line of the action rod 10 are respectively slidably connected with one side of the locking iron 9 and the first side surface of the driving sleeve 141 close to the action locking mechanism. The first main locking block 12 and the second main locking block 13 are movably arranged on the extrusion assembly 11. Both side surfaces of the first main locking block 12 and the second main locking block 13 slide along one side of the locking iron 9 and the first side surface of the driving sleeve 141 close to the action locking mechanism.

[0039] The locking iron 9 is fixedly arranged in the second housing 24, and a first groove 91 and a second groove 92 of the same shape are arranged at intervals on the side of the locking iron 9 that is slidably connected to the extrusion assembly 11.

[0040] If Figure 6 As shown, for example, the extrusion assembly 11 includes an extrusion block 111, an extrusion column 112, a first elastic member 113, an extrusion cylinder 114 and an adjusting nut 115. The extrusion block 111 is provided with a first through hole, the actuating rod 10 is slidably connected to the first through hole, a keyway is provided in the first through hole, and the actuating rod 10 is connected to the keyway through a flat key, thereby preventing the actuating rod 10 from rotating in the first through hole.

[0041] A sliding part 116 is provided at the bottom of the extrusion block 111. The two side surfaces of the sliding part 116 parallel to the axial center line of the action rod 10 are respectively slidably connected with one side of the locking iron 9 and the first side surface of the driving sleeve 141 close to the action locking mechanism; two sliding grooves are arranged at intervals on the sliding part 116, and the first main locking block 12 and the second main locking block 13 are respectively arranged in the two sliding grooves. A boss 141a is provided on the first side surface of the driving sleeve 141 close to the action locking mechanism. The extrusion cylinder 114 is arranged on the top of the extrusion block 111, and the angle between the center line of the extrusion cylinder 114 and the top surface of the extrusion block 111 is between 45° and 90°.

[0042] The adjusting nut 115 is threadedly connected to the extrusion cylinder 114. The adjusting nut 115 is provided with a second through hole in the axial direction. The extrusion cylinder 112 is provided in the extrusion cylinder 114. The first elastic member 113 is sleeved on the extrusion cylinder 112. The top of the extrusion cylinder 112 is slidably connected to the second through hole. A limiting step is provided at the bottom of the extrusion cylinder 112. The top of the first elastic member 113 abuts against the adjusting nut 115. The bottom of the first elastic member 113 abuts against the limiting step. A sliding pin is also rotatably connected to the bottom of the limiting step. A concave surface slidably connected to the sliding pin is provided on the action rod 10. When the extrusion block 111 slides along the action rod 10, the sliding pin rolls on the concave surface.

[0043] The actuating rod 10 and the extrusion block 111 are elastically connected via the first elastic member 113, and the extrusion holding force can be set by adjusting the nut 115. When the turnout is switched, the driving sleeve 141 pushes the first main locking block 12 or the second main locking block 13 to drive the extrusion block 111 to move, and the actuating rod 10 moves synchronously with it under the action of the extrusion holding force, and then drives the point rail to translate. In the locked state, when the actuating rod 10 is subjected to an external force exceeding the set extrusion holding force, relative movement occurs between the actuating rod 10 and the extrusion block 111, i.e. extrusion occurs. After extrusion occurs, the extrusion block 111 can be driven by electric operation to restore the state of the extrusion assembly 11.

[0044] If Figure 1 and Figure 7 As shown, for example, it indicates that the locking mechanism includes a locking rod group, an auxiliary locking block group and a locking seat assembly 19, wherein the locking rod group includes a left locking rod 16, a right locking rod 17 and a guide shaft 18 of the same shape, the left locking rod 16 and the right locking rod 17 are coaxially arranged on the locking seat assembly 19, the guide shaft 18 is slidably connected to the left locking rod 16 and the right locking rod 17 at the same time, the left locking rod 16 and the right locking rod 17 are both slidably connected to the locking seat assembly 19, and the end of the left locking rod 16 away from the guide shaft 18 and the end of the right locking rod 17 away from the guide shaft 18 are both provided with a wrench interface 172, for example, the left locking rod 16 and the right locking rod 17 are both in the shape of round rods.

[0045] The left locking rod 16 is provided with a first arc opening 161, and the right locking rod 17 is provided with a second arc opening 171. The left locking rod 16 is directly connected to the close contact point rail 29 through the locking connection assembly 25, and the right locking rod 17 is directly connected to the repelling point rail 28 through the locking connection assembly 25.

[0046] If Figure 9 As shown, for example, the locking connection assembly 25 includes a tip iron 251, a push-pull plate 252, a bolt pin 253 and a second elastic member 254, wherein the tip iron 251 is fixedly connected to the close-fitting point rail 29 or the repelling point rail 28 by a bolt pair, the tip iron 251 and the push-pull plate 252 are connected by the bolt pin 253, the second elastic member 254 is sleeved on the bolt pin 253, one end of the second elastic member 254 abuts against the tip iron 251, and the other end of the second elastic member 254 abuts against the push-pull plate 252, for example, the second elastic member 254 can be a disc spring.

[0047] For example, an oblong hole is provided at one end of the push-pull plate 252 close to the tip iron 251, and one end of the bolt pin 253 passes through the oblong hole to connect the tip iron 251 and the push-pull plate 252.

[0048] The end of the push-pull plate 252 away from the tip iron 251 is threadedly connected to the left locking rod 16 or the right locking rod 17. For example, a threaded hole is provided at the end of the push-pull plate 252 away from the tip iron 251, and the left locking rod 16 is provided with an external thread at the end away from the guide shaft 18, and the right locking rod 17 is provided with an external thread at the end away from the guide shaft 18. The threaded hole on the push-pull plate 252 is threadedly connected to the external thread on the left locking rod 16 or the external thread on the right locking rod 17.

[0049] For example, the auxiliary lock block group includes a first auxiliary lock block 20 and a second auxiliary lock block 21, wherein the first auxiliary lock block 20 and the second auxiliary lock block 21 are rotatably connected to the locking seat assembly 19, a first sliding inclined surface is provided on the first auxiliary lock block 20, and a second sliding inclined surface is provided on the second auxiliary lock block 21, and the first sliding inclined surface and the second sliding inclined surface are both slidably fitted with the second side surface 141b of the driving sleeve 141 close to the locking rod group, a first locking column 201 matching the first arc opening 161 is provided on the first auxiliary lock block 20, and a second locking column 211 matching the second arc opening 171 is provided on the second auxiliary lock block 21, and the first locking column 201 and the second locking column 211 have the same shape and are mirror images of each other.

[0050] When adjusting the close fitting position of the pointed rail, use a wrench to press against the wrench interface 172 of the right locking rod 17, rotate the right locking rod 17, and move the right locking rod 17 axially until the locking column of the second auxiliary locking block 21 can be screwed into the arc opening of the right locking rod 17, tighten the locking nut 255, and the close fitting position adjustment is completed.

[0051] For example, the locking seat assembly 19 includes a first guide sleeve 191, a second guide sleeve 192, a pin 193, a third elastic member 194 and a locking seat 195, wherein the locking seat 195 is fixedly connected to the second housing 24, and the first guide sleeve 191 and the second guide sleeve 192 are fixedly arranged on both sides of the top of the locking seat 195 in a mirror-image manner.

[0052] The first guide sleeve 191 is slidably connected to the right locking rod 17, and the second guide sleeve 192 is slidably connected to the left locking rod 16. For example, a first guide hole is provided on the first guide sleeve 191, and a second guide hole is provided on the second guide sleeve 192. The left locking rod 16 is slidably connected to the first guide hole, and the right locking rod 17 is slidably connected to the second guide hole.

[0053] The first guide sleeve 191 and the second guide sleeve 192 are both provided with mounting grooves at their bottoms, the first auxiliary locking block 20 is embedded in the mounting groove of the first guide sleeve 191, and the second auxiliary locking block 21 is embedded in the mounting groove of the second guide sleeve 192; the first auxiliary locking block 20 and the second auxiliary locking block 21 are rotatably connected to the locking seat 195 through a pin shaft 193, and each pin shaft 193 is sleeved with a third elastic member 194, which includes but is not limited to a torsion spring.

[0054] For example, a limiting ring is provided in the middle of each pin shaft 193, a first step hole is provided at the position of the mounting groove of the first guide sleeve 191 for the locking seat 195, and a second step hole is provided at the position of the mounting groove of the second guide sleeve 192 for the locking seat 195.

[0055] The bottom of the first pin shaft 193 is rotatably connected to the first step hole, the top of the first pin shaft 193 is rotatably connected to the third through hole of the first guide sleeve 191, a wear-resistant ring is also provided between the top of the first pin shaft 193 and the third through hole, the bottom of the limiting ring of the first pin shaft 193 abuts against the step surface in the first step hole, the bottom of the third elastic member 194 abuts against the top of the limiting ring of the first pin shaft 193, and the top of the third elastic member 194 abuts against the bottom of the first auxiliary locking block 20.

[0056] The bottom of the second pin shaft 193 is rotatably connected to the second step hole, the top of the second pin shaft 193 is rotatably connected to the fourth through hole of the second guide sleeve 192, a wear-resistant ring is also provided between the top of the second pin shaft 193 and the fourth through hole, the bottom of the limiting ring of the second pin shaft 193 abuts against the step surface in the second step hole, the bottom of the third elastic member 194 abuts against the top of the limiting ring of the second pin shaft 193, and the top of the third elastic member 194 abuts against the bottom of the second auxiliary locking block 21.

[0057] If Figure 1As shown, for example, the connection unit 3 includes a connection shaft 31, a first coupling 32 and a second coupling 32, one end of the connection shaft 31 is connected to the transmission shaft 7 of the power unit 1 through the first coupling 32, and the other end of the connection shaft 31 is connected to the action drive mechanism 14 through the second coupling 32.

[0058] If Figure 1 As shown, for example, the sensor assembly includes an action position sensor, a display position sensor, and a locking position sensor, wherein the action position sensor includes a first sensor 221 and a second sensor 222 symmetrically arranged at the left and right terminal positions of the action rod 10, and the first sensor 221 and the second sensor 222 are fixedly arranged in the first housing 23 and are respectively located on both sides of the locking iron 9.

[0059] The indicating position sensors include the third sensor 223 and the fourth sensor 224 set at the close contact and repulsion positions of the left locking rod 16, and the fifth sensor 225 and the sixth sensor 226 set at the close contact and repulsion positions of the right locking rod 17; the locking position sensors include the seventh sensor 227 and the eighth sensor 228 set at the terminal positions on the left (close to the terminal position of the close contact point rail 29) and the right (close to the terminal position of the repulsion point rail 28) of the driving sleeve 141.

[0060] Among them, the first sensor 221 and the second sensor 222 are used to monitor the terminal position information of the left and right sides of the action rod 10, respectively; the third sensor 223 and the fourth sensor 224 are used to monitor the close contact and repulsion position information of the left locking rod 16, respectively; the fifth sensor 225 and the sixth sensor 226 are used to monitor the close contact and repulsion position information of the right locking rod 17, respectively; the seventh sensor 227 and the eighth sensor 228 are used to monitor the terminal position information of the left and right sides of the driving sleeve 141.

[0061] If Figure 8 As shown, for example, the power unit 1 further includes a manual mechanism 8, which is arranged at a position where the first housing 23 is directly opposite to the output shaft of the motor 4, wherein the manual mechanism 8 includes a manual rod 81, a shield 82, a button 83, a stopper 84, a mounting plate 85 and a ninth sensor 86, wherein the manual rod 81 is rotatably connected to the first housing 23, a handle is arranged at one end of the manual rod 81 located outside the first housing 23, the shield 82 is fixedly arranged at one end of the manual rod 81 located inside the first housing 23, the button 83 is riveted to the shield 82, the stopper 84 is fixed in the first housing 23 and is located on one side of the shield 82, and the ninth sensor 86 is fixed to the stopper 84 through the mounting plate 85.

[0062] When manually operating and maintaining the turnout switching equipment, the operator rotates the manual rod 81, and the shutter 82 rotates synchronously with the manual rod 81. The shutter 82 moves away from the ninth sensor 86. When the ninth sensor 86 cannot sense the shutter 82, the ninth sensor 86 disconnects the signal, and the control system sends a manual operation signal and cuts off the power supply of the motor 4; at the same time, the shutter 82 no longer blocks the output shaft of the motor 4, and the operator can insert the hand crank to drive the reducer 5 to perform the switching action. After the manual operation is completed, lift the button 83 and rotate the manual rod 81 in the opposite direction. When the shutter 82 reaches the stop position on the baffle, the ninth sensor 86 connects the signal, and the control system sends a manual operation completion signal and connects the power supply of the motor 4.

[0063] A turnout switching device according to an embodiment of the present invention can be installed between two sleepers or directly on a steel sleeper.

[0064] The working principle of the turnout conversion device of the present invention is specifically as follows: The motor 4 is powered on and started, driving the reducer 5 to rotate synchronously. The driving torque of the motor 4 is decelerated by the reducer 5 and then transmitted to the overload protection device 6. The overload protection device 6 drives the transmission shaft 7 to rotate coaxially, and drives the action drive mechanism 14 through the connection unit 3 to convert the rotational motion into linear motion, and then drives the drive sleeve 141 to move. At this time, the seventh sensor 227 disconnects the signal. The boss 141a on the drive sleeve 141 pushes the first main locking block 12 in the extrusion assembly 11 to move, and the extrusion assembly 11 then drives the action rod 10 to move synchronously. At this time, the first sensor 221 disconnects the signal. The action rod 10 continues to move to drive the external locking device 27 to complete the unlocking action and push the turnout to switch.

[0065] When the repelling point rail 28 reaches the close contact position, the switch completes the switching action, the action rod 10 continues to move until the switch locking action is completed, and the second sensor 222 connects the signal. The drive sleeve 141 continues to move forward for a distance until the eighth sensor 228 connects the signal, indicating that the switch has completed the switching. At the same time, as the drive sleeve 141 moves, the right locking rod 17 moves with the repelling point rail 28, the sixth sensor 226 disconnects the signal, the drive sleeve 141 is close to the second side 141b of the locking rod group to release the lock of the first auxiliary locking block 20, the left locking rod 16 moves with the close contact point rail 29, the third sensor 223 disconnects the signal, and the right locking rod 17 reaches the close contact position with the repelling point rail 28, and the fifth sensor 225 connects the signal; at the same time, the action rod 10 and the drive sleeve 141 reach the right terminal position, and the left locking rod 16 reaches the repelling position, and the second sensor 222, the eighth sensor 228, and the fourth sensor 224 connect the signal.

[0066] The second sensor 222, the fourth sensor 224, the fifth sensor 225, and the eighth sensor 228 give in-place signals, while the first sensor 221, the third sensor 223, the sixth sensor 226, and the seventh sensor 227 do not give in-place signals. The control system logically determines that the switch is in place and gives an in-place indication signal. Therefore, through the on and off of the sensors, the corresponding action, indication, and locked position information can be given respectively, and then the status information of the turnout switching equipment can be comprehensively given.

[0067] The power unit 1 provides power to the mechanical unit 2, and its power source is the power output of the motor 4. Figure 2 、 Figure 3 and Figure 4 They are respectively the left terminal position locking diagram, the middle conversion position diagram and the right terminal position locking diagram of the turnout switching device of the present invention, that is, the action of the turnout switching device and the action schematic diagram of the locking mechanism.

[0068] Starting from the terminal locking position on the left side of the locking iron 9, the torque output by the motor 4 is transmitted to make the driving sleeve 141 of the action driving mechanism 14 move to the right, and the right inclined surface of the boss 141a of the driving sleeve 141 contacts the inclined surface of the first main locking block 12. The driving sleeve 141 continues to move to the right, pushing the first main locking block 12 and driving the extrusion assembly 11 to move together. The extrusion assembly 11 and the action rod 10 move synchronously under the action of the extrusion holding force. When the driving sleeve 141 is close to the second side surface 141b of the locking rod group and is out of contact with the plane of the first auxiliary locking block 20, the third elastic member 194 drives the first auxiliary locking block 20 to rotate, and the first lock column 201 exits the first arc opening 161 of the left locking rod 16, indicating that the locking mechanism completes the unlocking action.

[0069] At this time, the drive sleeve 141 continues to move to the right, and when the second main locking block 13 withdraws from the second groove 92 of the locking iron 9, the action locking mechanism completes unlocking. The drive sleeve 141 continues to move, and the boss 141a pushes the first main locking block 12 to continue moving until the first main locking block 12 slides into the first groove 91 of the locking iron 9, and the action locking mechanism completes the right side locking. In this process, the left locking rod 16 and the right locking rod 17 move with the turnout. When the repelling point rail 28 reaches the close contact position, the right locking rod 17 no longer moves, and the drive sleeve 141 continues to move. The right side of the drive sleeve 141 close to the second side surface 141b of the locking rod group contacts the second sliding inclined surface of the second auxiliary locking block 21, pushing the second auxiliary locking block 21 to rotate, so that the second locking column 211 on the second auxiliary locking block 21 falls into the second arc opening 171 of the right locking rod 17, indicating that the locking mechanism completes the right side locking.

[0070] The drive sleeve 141 continues to move and reaches a certain locking depth, preventing the first main locking block 12 from exiting the first groove 91 and the second locking column 211 from exiting the second arc 171 to unlock, that is, completing the conversion and locking action from the left terminal position to the right terminal position. Therefore, at one terminal position, the drive sleeve 141, the locking iron 9, the first main locking block 12 and the second main locking block 13 work together to complete the action locking function of the turnout conversion device, and the drive sleeve 141, the left locking rod 16, the right locking rod 17, the first auxiliary locking block 20, and the second auxiliary locking block 21 work together to complete the indication locking function of the turnout conversion device. When the drive sleeve 141 is converted from the right terminal locking position to the left terminal position locking position, the action principle is the same as the above.

[0071] When the turnout is switched, the repelling point rail 28 and the close point rail 29 drive the left locking rod 16 and the right locking rod 17 to slide in the first guide sleeve 191 and the second guide sleeve 192 in turn, and the left locking rod 16 and the right locking rod 17 are kept coaxial by the guide shaft 18. When the first auxiliary locking block 20 and the second auxiliary locking block 21 are in the unlocked state, they will move away from the left locking rod 16 and the right locking rod 17 under the action of the third elastic member 194. When entering the locked state, the driving sleeve 141 pushes the first auxiliary locking block 20 or the second auxiliary locking block 21 to rotate around the pin 193, and the first locking column 201 drives into the first arc opening 161, or the second locking column 211 drives into the second arc opening 171, and the left locking rod 16 or the right locking rod 17 is in the terminal position, thereby realizing the locking function of the mechanical unit 2.

[0072] If Figure 10 and Figure 11 As shown, the sensor assembly of the present invention integrates the connection and disconnection of multi-position sensors, uses safety logic judgment to give a representation signal, and the multi-position sensor information is calibrated with each other to eliminate the common cause failure of the sensor, thereby improving the safety and reliability of the sensor representation. Taking the left side of the present invention as an example, if and only if the first sensor 221 at the left terminal position of the action rod 10, the third sensor 223 at the close position of the left locking rod 16, the sixth sensor 226 at the repulsive position of the right locking rod 17, and the seventh sensor 227 at the left terminal position of the drive sleeve 141 give a signal of in place, and the second sensor 222 at the right terminal position of the action rod 10, the fourth sensor 224 at the repulsive position of the left locking rod 16, the fifth sensor 225 at the close position of the right locking rod 17, and the eighth sensor 228 at the right terminal position of the drive sleeve 141 give a signal of in place, the control system safety logic judges that the conversion is in place and gives a representation signal. If the sensor at any position does not give a correct signal, it is judged that the conversion is not in place.

[0073] The present invention realizes the main locking function of the turnout switching device through the joint action of the locking iron 9, the main locking block, the extrusion assembly 11 and the driving sleeve 141, and realizes the auxiliary locking function of the turnout switching device through the joint action of the locking rod, the auxiliary locking block and the driving sleeve 141. The dual locking function improves the operating reliability and safety of the turnout switching device.

[0074] The present invention can realize the indication of the squeeze and break while having the main and auxiliary double locking functions; the present invention adopts the sensor indication method to realize the multiple position monitoring of the movable parts of the mechanical unit 2, which is convenient for realizing intelligent control; the internal structure of the present invention is optimized, practical, simple and reliable, and adopts modular design, which can be modularly adapted according to actual needs. The sensor component integrates the connection and disconnection of multi-position sensors, uses safe logic judgment to give indication signals, and the multi-position sensor information is calibrated with each other to eliminate the common cause failure of the sensor and improve the safety and reliability of the sensor indication.

[0075] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.​

Claims

1. A turnout switching device, characterized in that: It comprises a power unit (1), a mechanical unit (2) and a connection unit (3), wherein the power unit (1) is connected to any one end of the mechanical unit (2) via the connection unit (3); The mechanical unit (2) comprises an action locking mechanism, an indication locking mechanism and an action driving mechanism (14); the action driving mechanism (14) is arranged between the action locking mechanism and the indication locking mechanism; one end of the action driving mechanism (14) is transmission-connected to the power unit (1) via the connecting unit (3); The action drive mechanism (14) comprises a drive sleeve (141) and a lead screw (142), one end of the lead screw (142) is drivingly connected to the connection unit (3), the drive sleeve (141) is sleeved on the lead screw (142), and two side surfaces of the drive sleeve (141) parallel to the axial center line of the lead screw (142) are respectively slidably connected to the action locking mechanism and the indication locking mechanism; The action locking mechanism comprises a locking iron (9), an action rod (10), an extrusion assembly (11), a first main locking block (12) and a second main locking block (13); the extrusion assembly (11) is sleeved on the action rod (10); two side surfaces of the extrusion assembly (11) parallel to the axial center line of the action rod (10) are respectively slidably connected to one side of the locking iron (9) and a first side surface of the driving sleeve (141) close to the action locking mechanism; the first main locking block (12) and the second main locking block (13) are movably arranged on the extrusion assembly (11).

2. The turnout switching device according to claim 1, characterized in that: The locking mechanism comprises a locking rod assembly, an auxiliary locking block assembly and a locking seat assembly (19); The locking rod assembly comprises a left locking rod (16), a right locking rod (17) and a guide shaft (18); the left locking rod (16) and the right locking rod (17) are coaxially arranged on the locking seat assembly (19); the guide shaft (18) is slidably connected to the left locking rod (16) and the right locking rod (17); and the left locking rod (16) and the right locking rod (17) are both slidably connected to the locking seat assembly (19); The left locking rod (16) is provided with a first arc opening (161), and the right locking rod (17) is provided with a second arc opening (171). The auxiliary locking block group includes a first auxiliary locking block (20) and a second auxiliary locking block (21). The first auxiliary locking block (20) and the second auxiliary locking block (21) are rotatably connected to the locking seat assembly (19). The first auxiliary locking block (20) is provided with a first sliding inclined surface, and the second auxiliary locking block (21) is provided with a second sliding inclined surface. The first sliding inclined surface and the second sliding inclined surface are both slidably fitted with the second side surface (141b) of the driving sleeve (141) close to the locking rod group. The first auxiliary locking block (20) is provided with a first locking column (201) matching the first arc opening (161), and the second auxiliary locking block (21) is provided with a second locking column (211) matching the second arc opening (171).

3. The turnout switching device according to claim 1, characterized in that: The drive sleeve (141) is provided with a boss (141a) on the first side surface close to the action locking mechanism, and the locking iron (9) is provided with a first groove (91) and a second groove (92) at intervals on the side surface slidably connected to the extrusion assembly (11).

4. The turnout switching device according to claim 1, characterized in that: Both side surfaces of the first main locking block (12) and the second main locking block (13) slide along one side of the locking iron (9) and the first side surface of the driving sleeve (141) close to the action locking mechanism.

5. The turnout switching device according to claim 2, characterized in that: The locking seat assembly (19) comprises a first guide sleeve (191), a second guide sleeve (192), a pin shaft (193), a third elastic member (194) and a locking seat (195); The first guide sleeve (191) and the second guide sleeve (192) are fixedly arranged on both sides of the locking seat (195) in a mirror-image manner; the first guide sleeve (191) is slidably connected to the right locking rod (17); the second guide sleeve (192) is slidably connected to the left locking rod (16); the bottoms of the first guide sleeve (191) and the second guide sleeve (192) are both provided with mounting grooves; the first auxiliary locking block (20) is embedded in the mounting groove of the first guide sleeve (191); the second auxiliary locking block (21) is embedded in the mounting groove of the second guide sleeve (192); the first auxiliary locking block (20) and the second auxiliary locking block (21) are rotatably connected to the locking seat (195) through the pin shaft (193); each of the pin shafts (193) is sleeved with the third elastic member (194).

6. The turnout switching device according to claim 1, characterized in that: The power unit (1) is arranged beside the track, and the mechanical unit (2) is arranged at the center of the track, or the power unit (1) and the mechanical unit (2) are integrated in a steel sleeper.

7. The turnout switching device according to claim 1, characterized in that: The power unit (1) comprises a motor (4), a reducer (5), an overload protection device (6) and a transmission shaft (7); the output shaft of the motor (4) is transmission-connected to the input end of the reducer (5); the output end of the reducer (5) is transmission-connected to one end of the overload protection device (6); and the other end of the overload protection device (6) is transmission-connected to the connection unit (3) via the transmission shaft (7).

8. The turnout switching device according to claim 2, characterized in that: The left locking rod (16) is connected to the close contact point rail (29) through a locking connection assembly, and the right locking rod (17) is connected to the repelling point rail (28) through a locking connection assembly.

9. The turnout switching device according to claim 8, characterized in that: The locking connection assembly comprises a tip iron (251), a push-pull plate (252), a bolt pin (253) and a second elastic member (254); The tip iron (251) is fixedly connected to the close-fitting point rail (29) or the repelling point rail (28); the tip iron (251) and the push-pull plate (252) are connected via the bolt pin (253); the second elastic member (254) is sleeved on the bolt pin (253); one end of the second elastic member (254) abuts against the tip iron (251); the other end of the second elastic member (254) abuts against the push-pull plate (252); and one end of the push-pull plate (252) away from the tip iron (251) is threadedly connected to the left locking rod (16) or the right locking rod (17).

10. The turnout switching device according to claim 9, characterized in that: An oblong hole is provided at one end of the push-pull plate (252) close to the tip iron (251), and one end of the bolt pin (253) passes through the oblong hole to connect the tip iron (251) and the push-pull plate (252).

11. The turnout switching device according to claim 2, characterized in that: The mechanical unit (2) further comprises a sensor assembly, wherein the sensor assembly comprises: A first sensor (221) and a second sensor (222) are respectively arranged on both sides of the locking iron (9); the first sensor (221) and the second sensor (222) are respectively used to monitor the terminal position information on the left and right sides of the action rod (10); A third sensor (223) and a fourth sensor (224) are respectively arranged at the close contact and repulsive positions of the left locking rod (16); the third sensor (223) and the fourth sensor (224) are respectively used to monitor the close contact and repulsive position information of the left locking rod (16); A fifth sensor (225) and a sixth sensor (226) are respectively arranged at the close contact and repulsive positions of the right locking rod (17); the fifth sensor (225) and the sixth sensor (226) are respectively used to monitor the close contact and repulsive position information of the right locking rod (17); And, a seventh sensor (227) and an eighth sensor (228) are respectively arranged at the terminal position of the drive sleeve (141) close to the close contact point rail (29) and the terminal position close to the repelling point rail (28); the seventh sensor (227) and the eighth sensor (228) are used to monitor the terminal position information on the left and right sides of the drive sleeve (141).

12. The turnout switching device according to any one of claims 1 to 11, characterized in that: The extrusion assembly (11) comprises an extrusion block (111), an extrusion column (112), a first elastic member (113), an extrusion cylinder (114) and an adjusting nut (115); Wherein, the extrusion block (111) is provided with a first through hole, the action rod (10) is slidably connected to the first through hole, a keyway is provided in the first through hole, and the action rod (10) is connected to the keyway through a flat key; a sliding portion (116) is provided at the bottom of the extrusion block (111), and two side surfaces of the sliding portion (116) parallel to the axial center line of the action rod (10) are respectively slidably connected to one side of the locking iron (9) and the first side surface of the driving sleeve (141) close to the action locking mechanism; two sliding grooves are arranged at intervals on the sliding portion (116), and the first main locking block (12) and the second main locking block (13) are respectively arranged in the two sliding grooves; The extrusion cylinder (114) is arranged at the top of the extrusion block (111), the adjusting nut (115) is threadedly connected to the extrusion cylinder (114), the adjusting nut (115) is axially provided with a second through hole, the extrusion column (112) is arranged in the extrusion cylinder (114), the first elastic member (113) is sleeved on the extrusion column (112), the top of the extrusion column (112) is slidably connected to the second through hole, the bottom of the extrusion column (112) is provided with a limiting step, the top of the first elastic member (113) abuts against the adjusting nut (115), the bottom of the first elastic member (113) abuts against the limiting step, the bottom of the limiting step is also rotatably connected with a sliding pin, and the action rod (10) is provided with a concave surface slidably connected to the sliding pin.

13. The turnout switching device according to any one of claims 1 to 11, characterized in that: The outer cover of the power unit (1) is provided with a first shell (23), and the outer cover of the mechanical unit (2) is provided with a second shell (24).

14. The turnout switching device according to claim 13, characterized in that: The power unit (1) further comprises a manual mechanism (8), wherein the manual mechanism (8) is arranged at a position of the first housing (23) directly facing the output shaft of the motor (4); The manual mechanism (8) comprises a manual rod (81), a shield (82), a button (83), a stopper (84), a mounting plate (85) and a ninth sensor (86); the manual rod (81) is rotatably connected to the first shell (23); a handle is provided at one end of the manual rod (81) located outside the first shell (23); the shield (82) is fixedly provided at one end of the manual rod (81) located inside the first shell (23); the button (83) is riveted to the shield (82); the stopper (84) is fixed in the first shell (23) and located on one side of the shield (82); and the ninth sensor (86) is fixed to the stopper (84) through the mounting plate (85).

15. The turnout switching device according to claim 11, characterized in that: It also includes a control system, which is used to determine whether the turnout is switched to the right position according to whether the right position signal of the sensor component is received.

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